diff --git a/.prettierrc.yaml b/.prettierrc.yaml new file mode 100644 index 000000000..b0dc13f2c --- /dev/null +++ b/.prettierrc.yaml @@ -0,0 +1,3 @@ +tabWidth: 4 +semi: false +singleQuote: true \ No newline at end of file diff --git a/eslint.config.mjs b/eslint.config.mjs new file mode 100644 index 000000000..a5dc7820b --- /dev/null +++ b/eslint.config.mjs @@ -0,0 +1,12 @@ +import globals from 'globals' +import pluginJs from '@eslint/js' +import config from 'eslint-config-prettier' +import plugin from 'eslint-plugin-prettier/recommended' + +/** @type {import('eslint').Linter.Config[]} */ +export default [ + { languageOptions: { globals: globals.browser } }, + pluginJs.configs.recommended, + config, + plugin, +] diff --git a/index.html b/index.html index 6f14ae14a..3ac7864d4 100644 --- a/index.html +++ b/index.html @@ -1,71 +1,67 @@ - + - - Проект "Комменты" - - - + + Проект "Комменты" + + + - -
- -
- - -
-
-
-
- + - + diff --git a/module/addEventHandlers.js b/module/addEventHandlers.js new file mode 100644 index 000000000..846b98a0c --- /dev/null +++ b/module/addEventHandlers.js @@ -0,0 +1,64 @@ +import { comments } from './comments.js' +import { escapeHtml } from './escape.js' +import { renderComments } from './renderComments.js' + +const textInput = document.querySelector('.add-form-text') + +function delay(interval = 300) { + return new Promise((resolve) => { + setTimeout(() => { + resolve() + }, interval) + }) +} + +function addEventHandlers() { + const likeButtons = document.querySelectorAll('.like-button') + const commentElements = document.querySelectorAll('.comment') + + likeButtons.forEach((button) => { + button.addEventListener('click', (event) => { + event.stopPropagation() + + const commentElement = event.target.closest('.comment') + const commentId = parseInt(commentElement.dataset.id) + const comment = comments.find((c) => c.id === commentId) + + if (comment.isLikeLoading) { + return + } + + button.classList.add('-loading-like') + + comment.isLikeLoading = true + + delay(2000).then(() => { + comment.likes = comment.isLiked + ? comment.likes - 1 + : comment.likes + 1 + comment.isLiked = !comment.isLiked + comment.isLikeLoading = false + + button.classList.remove('-loading-like') + + renderComments() + }) + }) + }) + + commentElements.forEach((commentElement) => { + commentElement.addEventListener('click', (event) => { + if (event.target.closest('.like-button')) { + return + } + + const commentId = parseInt(commentElement.dataset.id) + const comment = comments.find((c) => c.id === commentId) + + textInput.value = `> ${escapeHtml(comment.name)}\n\n${escapeHtml(comment.text)}\n\n` + textInput.focus() + }) + }) +} + +export { addEventHandlers } diff --git a/module/api.js b/module/api.js new file mode 100644 index 000000000..6611c60dc --- /dev/null +++ b/module/api.js @@ -0,0 +1,178 @@ +const host = 'https://wedev-api.sky.pro/api/v1/kristina-boykova' + +const fetchWithRetry = (url, options = {}, retries = 3, delay = 1000) => { + return new Promise((resolve, reject) => { + const attempt = (remainingRetries) => { + fetch(url, options) + .then((response) => { + if (response.status === 500 && remainingRetries > 0) { + setTimeout(() => { + console.log( + `Повторная попытка запроса, осталось попыток: ${remainingRetries - 1}`, + ) + attempt(remainingRetries - 1) + }, delay) + } else { + resolve(response) + } + }) + .catch((error) => { + if (remainingRetries > 0) { + setTimeout(() => { + console.log( + `Повторная попытка запроса после сетевой ошибки, осталось попыток: ${remainingRetries - 1}`, + ) + attempt(remainingRetries - 1) + }, delay) + } else { + reject(error) + } + }) + } + + attempt(retries) + }) +} + +export const fetchComments = () => { + return fetchWithRetry(host + '/comments') + .then((response) => { + if (response.status === 500) { + return Promise.reject( + new Error( + 'Серверная ошибка. Пожалуйста, попробуйте позже.', + ), + ) + } + if (!response.ok) { + return Promise.reject( + new Error(`Ошибка сервера: ${response.status}`), + ) + } + return response.json() + }) + .then((data) => { + console.log(data) + const appComments = data.comments.map((comment) => { + return { + id: comment.id, + name: comment.author.name, + date: new Date(comment.date).toLocaleString(), + text: comment.text, + likes: comment.likes, + isLiked: false, + } + }) + return appComments + }) + .catch((error) => { + if ( + (error.message && + (error.message.includes('Failed to fetch') || + error.message.includes('NetworkError'))) || + !navigator.onLine + ) { + return Promise.reject( + new Error( + 'Проблемы с интернетом. Проверьте подключение и попробуйте снова.', + ), + ) + } + + if (error instanceof Error) { + return Promise.reject(error) + } + + return Promise.reject( + new Error( + 'Произошла неизвестная ошибка. Пожалуйста, попробуйте позже.', + ), + ) + }) +} + +export const postComment = (text, name, forceError = false) => { + if (!text || text.trim().length < 5) { + return Promise.reject( + new Error( + 'Текст комментария слишком короткий. Минимальная длина - 5 символов', + ), + ) + } + + if (!name || name.trim().length < 3) { + return Promise.reject( + new Error('Имя слишком короткое. Минимальная длина - 3 символа'), + ) + } + + const requestData = { + text: text.trim(), + name: name.trim(), + } + + if (forceError) { + requestData.forceError = true + } + + return fetchWithRetry(host + '/comments', { + method: 'POST', + body: JSON.stringify(requestData), + }) + .then((response) => { + if (response.status === 400) { + return response.json().then((errorData) => { + return Promise.reject( + new Error(errorData.error || 'Ошибка валидации данных'), + ) + }) + } + if (response.status === 500) { + return Promise.reject( + new Error( + 'Серверная ошибка. Пожалуйста, попробуйте позже.', + ), + ) + } + if (!response.ok) { + return Promise.reject( + new Error(`Ошибка сервера: ${response.status}`), + ) + } + return response.json() + }) + .then(() => { + return fetchComments() + }) + .catch((error) => { + if ( + (error.message && + (error.message.includes('Failed to fetch') || + error.message.includes('NetworkError'))) || + !navigator.onLine + ) { + return Promise.reject( + new Error( + 'Проблемы с интернетом. Комментарий не отправлен. Проверьте подключение и попробуйте снова.', + ), + ) + } + + // Если ошибка уже в формате Error, просто пробрасываем дальше + if (error instanceof Error) { + return Promise.reject(error) + } + + // Для любых других ошибок создаем Error объект + return Promise.reject( + new Error( + 'Ошибка при отправке комментария: ' + + (error.message || 'неизвестная ошибка'), + ), + ) + }) +} + +export const postCommentWithForceError = (text, name) => { + return postComment(text, name, true) +} diff --git a/module/button.js b/module/button.js new file mode 100644 index 000000000..9505c3854 --- /dev/null +++ b/module/button.js @@ -0,0 +1,42 @@ +import { postComment } from './api.js' +import { updateComments } from './comments.js' +import { escapeHtml } from './escape.js' +import { renderComments } from './renderComments.js' + +const nameInput = document.querySelector('.add-form-name') +const textInput = document.querySelector('.add-form-text') +const button = document.querySelector('.add-form-button') + +const resetButtonState = () => { + button.disabled = false + button.textContent = 'Написать' +} + +export const buttonCreate = button.addEventListener('click', () => { + const name = nameInput.value.trim() + const text = textInput.value.trim() + + button.disabled = true + button.textContent = 'Отправка...' + + if (name === '' || text === '') { + alert('Пожалуйста, заполните все поля') + resetButtonState() + return + } + + postComment(escapeHtml(text), escapeHtml(name)) + .then((data) => { + updateComments(data) + renderComments() + nameInput.value = '' + textInput.value = '' + }) + .catch((error) => { + console.error(error) + alert('Ошибка при отправке комментария: ' + error.message) + }) + .finally(() => { + resetButtonState() + }) +}) diff --git a/module/comments.js b/module/comments.js new file mode 100644 index 000000000..9842962ab --- /dev/null +++ b/module/comments.js @@ -0,0 +1,7 @@ +const comments = [] +export { comments } + +export const updateComments = (newComments) => { + comments.length = 0 + comments.push(...newComments) +} diff --git a/module/escape.js b/module/escape.js new file mode 100644 index 000000000..d4ba6ab72 --- /dev/null +++ b/module/escape.js @@ -0,0 +1,10 @@ +function escapeHtml(unsafe) { + return unsafe + .replaceAll('&', '&') + .replaceAll('<', '<') + .replaceAll('>', '>') + .replaceAll('"', '"') + .replaceAll("'", ''') +} + +export { escapeHtml } diff --git a/module/node_modules/.bin/acorn b/module/node_modules/.bin/acorn new file mode 100644 index 000000000..679bd163c --- /dev/null +++ b/module/node_modules/.bin/acorn @@ -0,0 +1,16 @@ +#!/bin/sh +basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") + +case `uname` in + *CYGWIN*|*MINGW*|*MSYS*) + if command -v cygpath > /dev/null 2>&1; then + basedir=`cygpath -w "$basedir"` + fi + ;; +esac + +if [ -x "$basedir/node" ]; then + exec "$basedir/node" "$basedir/../acorn/bin/acorn" "$@" +else + exec node "$basedir/../acorn/bin/acorn" "$@" +fi diff --git a/module/node_modules/.bin/acorn.cmd b/module/node_modules/.bin/acorn.cmd new file mode 100644 index 000000000..a9324df95 --- /dev/null +++ b/module/node_modules/.bin/acorn.cmd @@ -0,0 +1,17 @@ +@ECHO off +GOTO start +:find_dp0 +SET dp0=%~dp0 +EXIT /b +:start +SETLOCAL +CALL :find_dp0 + +IF EXIST "%dp0%\node.exe" ( + SET "_prog=%dp0%\node.exe" +) ELSE ( + SET "_prog=node" + SET PATHEXT=%PATHEXT:;.JS;=;% +) + +endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\acorn\bin\acorn" %* diff --git a/module/node_modules/.bin/acorn.ps1 b/module/node_modules/.bin/acorn.ps1 new file mode 100644 index 000000000..6f6dcddf3 --- /dev/null +++ b/module/node_modules/.bin/acorn.ps1 @@ -0,0 +1,28 @@ +#!/usr/bin/env pwsh +$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent + +$exe="" +if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) { + # Fix case when both the Windows and Linux builds of Node + # are installed in the same directory + $exe=".exe" +} +$ret=0 +if (Test-Path "$basedir/node$exe") { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "$basedir/node$exe" "$basedir/../acorn/bin/acorn" $args + } else { + & "$basedir/node$exe" "$basedir/../acorn/bin/acorn" $args + } + $ret=$LASTEXITCODE +} else { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "node$exe" "$basedir/../acorn/bin/acorn" $args + } else { + & "node$exe" "$basedir/../acorn/bin/acorn" $args + } + $ret=$LASTEXITCODE +} +exit $ret diff --git a/module/node_modules/.bin/eslint b/module/node_modules/.bin/eslint new file mode 100644 index 000000000..d450ee1f9 --- /dev/null +++ b/module/node_modules/.bin/eslint @@ -0,0 +1,16 @@ +#!/bin/sh +basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") + +case `uname` in + *CYGWIN*|*MINGW*|*MSYS*) + if command -v cygpath > /dev/null 2>&1; then + basedir=`cygpath -w "$basedir"` + fi + ;; +esac + +if [ -x "$basedir/node" ]; then + exec "$basedir/node" "$basedir/../eslint/bin/eslint.js" "$@" +else + exec node "$basedir/../eslint/bin/eslint.js" "$@" +fi diff --git a/module/node_modules/.bin/eslint.cmd b/module/node_modules/.bin/eslint.cmd new file mode 100644 index 000000000..032901a59 --- /dev/null +++ b/module/node_modules/.bin/eslint.cmd @@ -0,0 +1,17 @@ +@ECHO off +GOTO start +:find_dp0 +SET dp0=%~dp0 +EXIT /b +:start +SETLOCAL +CALL :find_dp0 + +IF EXIST "%dp0%\node.exe" ( + SET "_prog=%dp0%\node.exe" +) ELSE ( + SET "_prog=node" + SET PATHEXT=%PATHEXT:;.JS;=;% +) + +endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\eslint\bin\eslint.js" %* diff --git a/module/node_modules/.bin/eslint.ps1 b/module/node_modules/.bin/eslint.ps1 new file mode 100644 index 000000000..155bec495 --- /dev/null +++ b/module/node_modules/.bin/eslint.ps1 @@ -0,0 +1,28 @@ +#!/usr/bin/env pwsh +$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent + +$exe="" +if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) { + # Fix case when both the Windows and Linux builds of Node + # are installed in the same directory + $exe=".exe" +} +$ret=0 +if (Test-Path "$basedir/node$exe") { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "$basedir/node$exe" "$basedir/../eslint/bin/eslint.js" $args + } else { + & "$basedir/node$exe" "$basedir/../eslint/bin/eslint.js" $args + } + $ret=$LASTEXITCODE +} else { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "node$exe" "$basedir/../eslint/bin/eslint.js" $args + } else { + & "node$exe" "$basedir/../eslint/bin/eslint.js" $args + } + $ret=$LASTEXITCODE +} +exit $ret diff --git a/module/node_modules/.bin/js-yaml b/module/node_modules/.bin/js-yaml new file mode 100644 index 000000000..82416ef1f --- /dev/null +++ b/module/node_modules/.bin/js-yaml @@ -0,0 +1,16 @@ +#!/bin/sh +basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") + +case `uname` in + *CYGWIN*|*MINGW*|*MSYS*) + if command -v cygpath > /dev/null 2>&1; then + basedir=`cygpath -w "$basedir"` + fi + ;; +esac + +if [ -x "$basedir/node" ]; then + exec "$basedir/node" "$basedir/../js-yaml/bin/js-yaml.js" "$@" +else + exec node "$basedir/../js-yaml/bin/js-yaml.js" "$@" +fi diff --git a/module/node_modules/.bin/js-yaml.cmd b/module/node_modules/.bin/js-yaml.cmd new file mode 100644 index 000000000..453312b6d --- /dev/null +++ b/module/node_modules/.bin/js-yaml.cmd @@ -0,0 +1,17 @@ +@ECHO off +GOTO start +:find_dp0 +SET dp0=%~dp0 +EXIT /b +:start +SETLOCAL +CALL :find_dp0 + +IF EXIST "%dp0%\node.exe" ( + SET "_prog=%dp0%\node.exe" +) ELSE ( + SET "_prog=node" + SET PATHEXT=%PATHEXT:;.JS;=;% +) + +endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\js-yaml\bin\js-yaml.js" %* diff --git a/module/node_modules/.bin/js-yaml.ps1 b/module/node_modules/.bin/js-yaml.ps1 new file mode 100644 index 000000000..2acfc61c3 --- /dev/null +++ b/module/node_modules/.bin/js-yaml.ps1 @@ -0,0 +1,28 @@ +#!/usr/bin/env pwsh +$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent + +$exe="" +if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) { + # Fix case when both the Windows and Linux builds of Node + # are installed in the same directory + $exe=".exe" +} +$ret=0 +if (Test-Path "$basedir/node$exe") { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "$basedir/node$exe" "$basedir/../js-yaml/bin/js-yaml.js" $args + } else { + & "$basedir/node$exe" "$basedir/../js-yaml/bin/js-yaml.js" $args + } + $ret=$LASTEXITCODE +} else { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "node$exe" "$basedir/../js-yaml/bin/js-yaml.js" $args + } else { + & "node$exe" "$basedir/../js-yaml/bin/js-yaml.js" $args + } + $ret=$LASTEXITCODE +} +exit $ret diff --git a/module/node_modules/.bin/node-which b/module/node_modules/.bin/node-which new file mode 100644 index 000000000..b49b03f7d --- /dev/null +++ b/module/node_modules/.bin/node-which @@ -0,0 +1,16 @@ +#!/bin/sh +basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") + +case `uname` in + *CYGWIN*|*MINGW*|*MSYS*) + if command -v cygpath > /dev/null 2>&1; then + basedir=`cygpath -w "$basedir"` + fi + ;; +esac + +if [ -x "$basedir/node" ]; then + exec "$basedir/node" "$basedir/../which/bin/node-which" "$@" +else + exec node "$basedir/../which/bin/node-which" "$@" +fi diff --git a/module/node_modules/.bin/node-which.cmd b/module/node_modules/.bin/node-which.cmd new file mode 100644 index 000000000..8738aed88 --- /dev/null +++ b/module/node_modules/.bin/node-which.cmd @@ -0,0 +1,17 @@ +@ECHO off +GOTO start +:find_dp0 +SET dp0=%~dp0 +EXIT /b +:start +SETLOCAL +CALL :find_dp0 + +IF EXIST "%dp0%\node.exe" ( + SET "_prog=%dp0%\node.exe" +) ELSE ( + SET "_prog=node" + SET PATHEXT=%PATHEXT:;.JS;=;% +) + +endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\which\bin\node-which" %* diff --git a/module/node_modules/.bin/node-which.ps1 b/module/node_modules/.bin/node-which.ps1 new file mode 100644 index 000000000..cfb09e844 --- /dev/null +++ b/module/node_modules/.bin/node-which.ps1 @@ -0,0 +1,28 @@ +#!/usr/bin/env pwsh +$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent + +$exe="" +if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) { + # Fix case when both the Windows and Linux builds of Node + # are installed in the same directory + $exe=".exe" +} +$ret=0 +if (Test-Path "$basedir/node$exe") { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "$basedir/node$exe" "$basedir/../which/bin/node-which" $args + } else { + & "$basedir/node$exe" "$basedir/../which/bin/node-which" $args + } + $ret=$LASTEXITCODE +} else { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "node$exe" "$basedir/../which/bin/node-which" $args + } else { + & "node$exe" "$basedir/../which/bin/node-which" $args + } + $ret=$LASTEXITCODE +} +exit $ret diff --git a/module/node_modules/.package-lock.json 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"https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz", + "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/sponsors/sindresorhus" + } + } + } +} diff --git a/module/node_modules/@eslint-community/eslint-utils/LICENSE b/module/node_modules/@eslint-community/eslint-utils/LICENSE new file mode 100644 index 000000000..883ee1f61 --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2018 Toru Nagashima + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/module/node_modules/@eslint-community/eslint-utils/README.md b/module/node_modules/@eslint-community/eslint-utils/README.md new file mode 100644 index 000000000..257954c9b --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/README.md @@ -0,0 +1,37 @@ +# @eslint-community/eslint-utils + +[![npm version](https://img.shields.io/npm/v/@eslint-community/eslint-utils.svg)](https://www.npmjs.com/package/@eslint-community/eslint-utils) +[![Downloads/month](https://img.shields.io/npm/dm/@eslint-community/eslint-utils.svg)](http://www.npmtrends.com/@eslint-community/eslint-utils) +[![Build Status](https://github.com/eslint-community/eslint-utils/workflows/CI/badge.svg)](https://github.com/eslint-community/eslint-utils/actions) +[![Coverage Status](https://codecov.io/gh/eslint-community/eslint-utils/branch/main/graph/badge.svg)](https://codecov.io/gh/eslint-community/eslint-utils) + +## 🏁 Goal + +This package provides utility functions and classes for make ESLint custom rules. + +For examples: + +- [`getStaticValue`](https://eslint-community.github.io/eslint-utils/api/ast-utils.html#getstaticvalue) evaluates static value on AST. +- [`ReferenceTracker`](https://eslint-community.github.io/eslint-utils/api/scope-utils.html#referencetracker-class) checks the members of modules/globals as handling assignments and destructuring. + +## 📖 Usage + +See [documentation](https://eslint-community.github.io/eslint-utils). + +## 📰 Changelog + +See [releases](https://github.com/eslint-community/eslint-utils/releases). + +## ❤️ Contributing + +Welcome contributing! + +Please use GitHub's Issues/PRs. + +### Development Tools + +- `npm run test-coverage` runs tests and measures coverage. +- `npm run clean` removes the coverage result of `npm run test-coverage` command. +- `npm run coverage` shows the coverage result of the last `npm run test-coverage` command. +- `npm run lint` runs ESLint. +- `npm run watch` runs tests on each file change. diff --git a/module/node_modules/@eslint-community/eslint-utils/index.d.mts b/module/node_modules/@eslint-community/eslint-utils/index.d.mts new file mode 100644 index 000000000..8ad6f5c98 --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/index.d.mts @@ -0,0 +1,217 @@ +import * as eslint from 'eslint'; +import { Rule, AST } from 'eslint'; +import * as estree from 'estree'; + +declare const READ: unique symbol; +declare const CALL: unique symbol; +declare const CONSTRUCT: unique symbol; +declare const ESM: unique symbol; +declare class ReferenceTracker { + constructor(globalScope: Scope$2, options?: { + mode?: "legacy" | "strict" | undefined; + globalObjectNames?: string[] | undefined; + } | undefined); + private variableStack; + private globalScope; + private mode; + private globalObjectNames; + iterateGlobalReferences(traceMap: TraceMap$2): IterableIterator>; + iterateCjsReferences(traceMap: TraceMap$2): IterableIterator>; + iterateEsmReferences(traceMap: TraceMap$2): IterableIterator>; + iteratePropertyReferences(node: Expression, traceMap: TraceMap$2): IterableIterator>; + private _iterateVariableReferences; + private _iteratePropertyReferences; + private _iterateLhsReferences; + private _iterateImportReferences; +} +declare namespace ReferenceTracker { + export { READ }; + export { CALL }; + export { CONSTRUCT }; + export { ESM }; +} +type Scope$2 = eslint.Scope.Scope; +type Expression = estree.Expression; +type TraceMap$2 = TraceMap$1; +type TrackedReferences$2 = TrackedReferences$1; + +type StaticValue$2 = StaticValueProvided$1 | StaticValueOptional$1; +type StaticValueProvided$1 = { + optional?: undefined; + value: unknown; +}; +type StaticValueOptional$1 = { + optional?: true; + value: undefined; +}; +type ReferenceTrackerOptions$1 = { + globalObjectNames?: string[]; + mode?: "legacy" | "strict"; +}; +type TraceMap$1 = { + [i: string]: TraceMapObject; +}; +type TraceMapObject = { + [i: string]: TraceMapObject; + [CALL]?: T; + [CONSTRUCT]?: T; + [READ]?: T; + [ESM]?: boolean; +}; +type TrackedReferences$1 = { + info: T; + node: Rule.Node; + path: string[]; + type: typeof CALL | typeof CONSTRUCT | typeof READ; +}; +type HasSideEffectOptions$1 = { + considerGetters?: boolean; + considerImplicitTypeConversion?: boolean; +}; +type PunctuatorToken = AST.Token & { + type: "Punctuator"; + value: Value; +}; +type ArrowToken$1 = PunctuatorToken<"=>">; +type CommaToken$1 = PunctuatorToken<",">; +type SemicolonToken$1 = PunctuatorToken<";">; +type ColonToken$1 = PunctuatorToken<":">; +type OpeningParenToken$1 = PunctuatorToken<"(">; +type ClosingParenToken$1 = PunctuatorToken<")">; +type OpeningBracketToken$1 = PunctuatorToken<"[">; +type ClosingBracketToken$1 = PunctuatorToken<"]">; +type OpeningBraceToken$1 = PunctuatorToken<"{">; +type ClosingBraceToken$1 = PunctuatorToken<"}">; + +declare function findVariable(initialScope: Scope$1, nameOrNode: string | Identifier): Variable | null; +type Scope$1 = eslint.Scope.Scope; +type Variable = eslint.Scope.Variable; +type Identifier = estree.Identifier; + +declare function getFunctionHeadLocation(node: FunctionNode$1, sourceCode: SourceCode$2): SourceLocation | null; +type SourceCode$2 = eslint.SourceCode; +type FunctionNode$1 = estree.Function; +type SourceLocation = estree.SourceLocation; + +declare function getFunctionNameWithKind(node: FunctionNode, sourceCode?: eslint.SourceCode | undefined): string; +type FunctionNode = estree.Function; + +declare function getInnermostScope(initialScope: Scope, node: Node$4): Scope; +type Scope = eslint.Scope.Scope; +type Node$4 = estree.Node; + +declare function getPropertyName(node: MemberExpression | MethodDefinition | Property | PropertyDefinition, initialScope?: eslint.Scope.Scope | undefined): string | null | undefined; +type MemberExpression = estree.MemberExpression; +type MethodDefinition = estree.MethodDefinition; +type Property = estree.Property; +type PropertyDefinition = estree.PropertyDefinition; + +declare function getStaticValue(node: Node$3, initialScope?: eslint.Scope.Scope | null | undefined): StaticValue$1 | null; +type StaticValue$1 = StaticValue$2; +type Node$3 = estree.Node; + +declare function getStringIfConstant(node: Node$2, initialScope?: eslint.Scope.Scope | null | undefined): string | null; +type Node$2 = estree.Node; + +declare function hasSideEffect(node: Node$1, sourceCode: SourceCode$1, options?: HasSideEffectOptions$1 | undefined): boolean; +type Node$1 = estree.Node; +type SourceCode$1 = eslint.SourceCode; + +declare function isArrowToken(token: CommentOrToken): token is ArrowToken$1; +declare function isCommaToken(token: CommentOrToken): token is CommaToken$1; +declare function isSemicolonToken(token: CommentOrToken): token is SemicolonToken$1; +declare function isColonToken(token: CommentOrToken): token is ColonToken$1; +declare function isOpeningParenToken(token: CommentOrToken): token is OpeningParenToken$1; +declare function isClosingParenToken(token: CommentOrToken): token is ClosingParenToken$1; +declare function isOpeningBracketToken(token: CommentOrToken): token is OpeningBracketToken$1; +declare function isClosingBracketToken(token: CommentOrToken): token is ClosingBracketToken$1; +declare function isOpeningBraceToken(token: CommentOrToken): token is OpeningBraceToken$1; +declare function isClosingBraceToken(token: CommentOrToken): token is ClosingBraceToken$1; +declare function isCommentToken(token: CommentOrToken): token is estree.Comment; +declare function isNotArrowToken(arg0: CommentOrToken): boolean; +declare function isNotCommaToken(arg0: CommentOrToken): boolean; +declare function isNotSemicolonToken(arg0: CommentOrToken): boolean; +declare function isNotColonToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningParenToken(arg0: CommentOrToken): boolean; +declare function isNotClosingParenToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningBracketToken(arg0: CommentOrToken): boolean; +declare function isNotClosingBracketToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningBraceToken(arg0: CommentOrToken): boolean; +declare function isNotClosingBraceToken(arg0: CommentOrToken): boolean; +declare function isNotCommentToken(arg0: CommentOrToken): boolean; +type Token = eslint.AST.Token; +type Comment = estree.Comment; +type CommentOrToken = Comment | Token; + +declare function isParenthesized(timesOrNode: Node | number, nodeOrSourceCode: Node | SourceCode, optionalSourceCode?: eslint.SourceCode | undefined): boolean; +type Node = estree.Node; +type SourceCode = eslint.SourceCode; + +declare class PatternMatcher { + constructor(pattern: RegExp, options?: { + escaped?: boolean | undefined; + } | undefined); + execAll(str: string): IterableIterator; + test(str: string): boolean; + [Symbol.replace](str: string, replacer: string | ((...strs: string[]) => string)): string; +} + +declare namespace _default { + export { CALL }; + export { CONSTRUCT }; + export { ESM }; + export { findVariable }; + export { getFunctionHeadLocation }; + export { getFunctionNameWithKind }; + export { getInnermostScope }; + export { getPropertyName }; + export { getStaticValue }; + export { getStringIfConstant }; + export { hasSideEffect }; + export { isArrowToken }; + export { isClosingBraceToken }; + export { isClosingBracketToken }; + export { isClosingParenToken }; + export { isColonToken }; + export { isCommaToken }; + export { isCommentToken }; + export { isNotArrowToken }; + export { isNotClosingBraceToken }; + export { isNotClosingBracketToken }; + export { isNotClosingParenToken }; + export { isNotColonToken }; + export { isNotCommaToken }; + export { isNotCommentToken }; + export { isNotOpeningBraceToken }; + export { isNotOpeningBracketToken }; + export { isNotOpeningParenToken }; + export { isNotSemicolonToken }; + export { isOpeningBraceToken }; + export { isOpeningBracketToken }; + export { isOpeningParenToken }; + export { isParenthesized }; + export { isSemicolonToken }; + export { PatternMatcher }; + export { READ }; + export { ReferenceTracker }; +} + +type StaticValue = StaticValue$2; +type StaticValueOptional = StaticValueOptional$1; +type StaticValueProvided = StaticValueProvided$1; +type ReferenceTrackerOptions = ReferenceTrackerOptions$1; +type TraceMap = TraceMap$1; +type TrackedReferences = TrackedReferences$1; +type HasSideEffectOptions = HasSideEffectOptions$1; +type ArrowToken = ArrowToken$1; +type CommaToken = CommaToken$1; +type SemicolonToken = SemicolonToken$1; +type ColonToken = ColonToken$1; +type OpeningParenToken = OpeningParenToken$1; +type ClosingParenToken = ClosingParenToken$1; +type OpeningBracketToken = OpeningBracketToken$1; +type ClosingBracketToken = ClosingBracketToken$1; +type OpeningBraceToken = OpeningBraceToken$1; +type ClosingBraceToken = ClosingBraceToken$1; + +export { ArrowToken, CALL, CONSTRUCT, ClosingBraceToken, ClosingBracketToken, ClosingParenToken, ColonToken, CommaToken, ESM, HasSideEffectOptions, OpeningBraceToken, OpeningBracketToken, OpeningParenToken, PatternMatcher, READ, ReferenceTracker, ReferenceTrackerOptions, SemicolonToken, StaticValue, StaticValueOptional, StaticValueProvided, TraceMap, TrackedReferences, _default as default, findVariable, getFunctionHeadLocation, getFunctionNameWithKind, getInnermostScope, getPropertyName, getStaticValue, getStringIfConstant, hasSideEffect, isArrowToken, isClosingBraceToken, isClosingBracketToken, isClosingParenToken, isColonToken, isCommaToken, isCommentToken, isNotArrowToken, isNotClosingBraceToken, isNotClosingBracketToken, isNotClosingParenToken, isNotColonToken, isNotCommaToken, isNotCommentToken, isNotOpeningBraceToken, isNotOpeningBracketToken, isNotOpeningParenToken, isNotSemicolonToken, isOpeningBraceToken, isOpeningBracketToken, isOpeningParenToken, isParenthesized, isSemicolonToken }; diff --git a/module/node_modules/@eslint-community/eslint-utils/index.d.ts b/module/node_modules/@eslint-community/eslint-utils/index.d.ts new file mode 100644 index 000000000..8ad6f5c98 --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/index.d.ts @@ -0,0 +1,217 @@ +import * as eslint from 'eslint'; +import { Rule, AST } from 'eslint'; +import * as estree from 'estree'; + +declare const READ: unique symbol; +declare const CALL: unique symbol; +declare const CONSTRUCT: unique symbol; +declare const ESM: unique symbol; +declare class ReferenceTracker { + constructor(globalScope: Scope$2, options?: { + mode?: "legacy" | "strict" | undefined; + globalObjectNames?: string[] | undefined; + } | undefined); + private variableStack; + private globalScope; + private mode; + private globalObjectNames; + iterateGlobalReferences(traceMap: TraceMap$2): IterableIterator>; + iterateCjsReferences(traceMap: TraceMap$2): IterableIterator>; + iterateEsmReferences(traceMap: TraceMap$2): IterableIterator>; + iteratePropertyReferences(node: Expression, traceMap: TraceMap$2): IterableIterator>; + private _iterateVariableReferences; + private _iteratePropertyReferences; + private _iterateLhsReferences; + private _iterateImportReferences; +} +declare namespace ReferenceTracker { + export { READ }; + export { CALL }; + export { CONSTRUCT }; + export { ESM }; +} +type Scope$2 = eslint.Scope.Scope; +type Expression = estree.Expression; +type TraceMap$2 = TraceMap$1; +type TrackedReferences$2 = TrackedReferences$1; + +type StaticValue$2 = StaticValueProvided$1 | StaticValueOptional$1; +type StaticValueProvided$1 = { + optional?: undefined; + value: unknown; +}; +type StaticValueOptional$1 = { + optional?: true; + value: undefined; +}; +type ReferenceTrackerOptions$1 = { + globalObjectNames?: string[]; + mode?: "legacy" | "strict"; +}; +type TraceMap$1 = { + [i: string]: TraceMapObject; +}; +type TraceMapObject = { + [i: string]: TraceMapObject; + [CALL]?: T; + [CONSTRUCT]?: T; + [READ]?: T; + [ESM]?: boolean; +}; +type TrackedReferences$1 = { + info: T; + node: Rule.Node; + path: string[]; + type: typeof CALL | typeof CONSTRUCT | typeof READ; +}; +type HasSideEffectOptions$1 = { + considerGetters?: boolean; + considerImplicitTypeConversion?: boolean; +}; +type PunctuatorToken = AST.Token & { + type: "Punctuator"; + value: Value; +}; +type ArrowToken$1 = PunctuatorToken<"=>">; +type CommaToken$1 = PunctuatorToken<",">; +type SemicolonToken$1 = PunctuatorToken<";">; +type ColonToken$1 = PunctuatorToken<":">; +type OpeningParenToken$1 = PunctuatorToken<"(">; +type ClosingParenToken$1 = PunctuatorToken<")">; +type OpeningBracketToken$1 = PunctuatorToken<"[">; +type ClosingBracketToken$1 = PunctuatorToken<"]">; +type OpeningBraceToken$1 = PunctuatorToken<"{">; +type ClosingBraceToken$1 = PunctuatorToken<"}">; + +declare function findVariable(initialScope: Scope$1, nameOrNode: string | Identifier): Variable | null; +type Scope$1 = eslint.Scope.Scope; +type Variable = eslint.Scope.Variable; +type Identifier = estree.Identifier; + +declare function getFunctionHeadLocation(node: FunctionNode$1, sourceCode: SourceCode$2): SourceLocation | null; +type SourceCode$2 = eslint.SourceCode; +type FunctionNode$1 = estree.Function; +type SourceLocation = estree.SourceLocation; + +declare function getFunctionNameWithKind(node: FunctionNode, sourceCode?: eslint.SourceCode | undefined): string; +type FunctionNode = estree.Function; + +declare function getInnermostScope(initialScope: Scope, node: Node$4): Scope; +type Scope = eslint.Scope.Scope; +type Node$4 = estree.Node; + +declare function getPropertyName(node: MemberExpression | MethodDefinition | Property | PropertyDefinition, initialScope?: eslint.Scope.Scope | undefined): string | null | undefined; +type MemberExpression = estree.MemberExpression; +type MethodDefinition = estree.MethodDefinition; +type Property = estree.Property; +type PropertyDefinition = estree.PropertyDefinition; + +declare function getStaticValue(node: Node$3, initialScope?: eslint.Scope.Scope | null | undefined): StaticValue$1 | null; +type StaticValue$1 = StaticValue$2; +type Node$3 = estree.Node; + +declare function getStringIfConstant(node: Node$2, initialScope?: eslint.Scope.Scope | null | undefined): string | null; +type Node$2 = estree.Node; + +declare function hasSideEffect(node: Node$1, sourceCode: SourceCode$1, options?: HasSideEffectOptions$1 | undefined): boolean; +type Node$1 = estree.Node; +type SourceCode$1 = eslint.SourceCode; + +declare function isArrowToken(token: CommentOrToken): token is ArrowToken$1; +declare function isCommaToken(token: CommentOrToken): token is CommaToken$1; +declare function isSemicolonToken(token: CommentOrToken): token is SemicolonToken$1; +declare function isColonToken(token: CommentOrToken): token is ColonToken$1; +declare function isOpeningParenToken(token: CommentOrToken): token is OpeningParenToken$1; +declare function isClosingParenToken(token: CommentOrToken): token is ClosingParenToken$1; +declare function isOpeningBracketToken(token: CommentOrToken): token is OpeningBracketToken$1; +declare function isClosingBracketToken(token: CommentOrToken): token is ClosingBracketToken$1; +declare function isOpeningBraceToken(token: CommentOrToken): token is OpeningBraceToken$1; +declare function isClosingBraceToken(token: CommentOrToken): token is ClosingBraceToken$1; +declare function isCommentToken(token: CommentOrToken): token is estree.Comment; +declare function isNotArrowToken(arg0: CommentOrToken): boolean; +declare function isNotCommaToken(arg0: CommentOrToken): boolean; +declare function isNotSemicolonToken(arg0: CommentOrToken): boolean; +declare function isNotColonToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningParenToken(arg0: CommentOrToken): boolean; +declare function isNotClosingParenToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningBracketToken(arg0: CommentOrToken): boolean; +declare function isNotClosingBracketToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningBraceToken(arg0: CommentOrToken): boolean; +declare function isNotClosingBraceToken(arg0: CommentOrToken): boolean; +declare function isNotCommentToken(arg0: CommentOrToken): boolean; +type Token = eslint.AST.Token; +type Comment = estree.Comment; +type CommentOrToken = Comment | Token; + +declare function isParenthesized(timesOrNode: Node | number, nodeOrSourceCode: Node | SourceCode, optionalSourceCode?: eslint.SourceCode | undefined): boolean; +type Node = estree.Node; +type SourceCode = eslint.SourceCode; + +declare class PatternMatcher { + constructor(pattern: RegExp, options?: { + escaped?: boolean | undefined; + } | undefined); + execAll(str: string): IterableIterator; + test(str: string): boolean; + [Symbol.replace](str: string, replacer: string | ((...strs: string[]) => string)): string; +} + +declare namespace _default { + export { CALL }; + export { CONSTRUCT }; + export { ESM }; + export { findVariable }; + export { getFunctionHeadLocation }; + export { getFunctionNameWithKind }; + export { getInnermostScope }; + export { getPropertyName }; + export { getStaticValue }; + export { getStringIfConstant }; + export { hasSideEffect }; + export { isArrowToken }; + export { isClosingBraceToken }; + export { isClosingBracketToken }; + export { isClosingParenToken }; + export { isColonToken }; + export { isCommaToken }; + export { isCommentToken }; + export { isNotArrowToken }; + export { isNotClosingBraceToken }; + export { isNotClosingBracketToken }; + export { isNotClosingParenToken }; + export { isNotColonToken }; + export { isNotCommaToken }; + export { isNotCommentToken }; + export { isNotOpeningBraceToken }; + export { isNotOpeningBracketToken }; + export { isNotOpeningParenToken }; + export { isNotSemicolonToken }; + export { isOpeningBraceToken }; + export { isOpeningBracketToken }; + export { isOpeningParenToken }; + export { isParenthesized }; + export { isSemicolonToken }; + export { PatternMatcher }; + export { READ }; + export { ReferenceTracker }; +} + +type StaticValue = StaticValue$2; +type StaticValueOptional = StaticValueOptional$1; +type StaticValueProvided = StaticValueProvided$1; +type ReferenceTrackerOptions = ReferenceTrackerOptions$1; +type TraceMap = TraceMap$1; +type TrackedReferences = TrackedReferences$1; +type HasSideEffectOptions = HasSideEffectOptions$1; +type ArrowToken = ArrowToken$1; +type CommaToken = CommaToken$1; +type SemicolonToken = SemicolonToken$1; +type ColonToken = ColonToken$1; +type OpeningParenToken = OpeningParenToken$1; +type ClosingParenToken = ClosingParenToken$1; +type OpeningBracketToken = OpeningBracketToken$1; +type ClosingBracketToken = ClosingBracketToken$1; +type OpeningBraceToken = OpeningBraceToken$1; +type ClosingBraceToken = ClosingBraceToken$1; + +export { ArrowToken, CALL, CONSTRUCT, ClosingBraceToken, ClosingBracketToken, ClosingParenToken, ColonToken, CommaToken, ESM, HasSideEffectOptions, OpeningBraceToken, OpeningBracketToken, OpeningParenToken, PatternMatcher, READ, ReferenceTracker, ReferenceTrackerOptions, SemicolonToken, StaticValue, StaticValueOptional, StaticValueProvided, TraceMap, TrackedReferences, _default as default, findVariable, getFunctionHeadLocation, getFunctionNameWithKind, getInnermostScope, getPropertyName, getStaticValue, getStringIfConstant, hasSideEffect, isArrowToken, isClosingBraceToken, isClosingBracketToken, isClosingParenToken, isColonToken, isCommaToken, isCommentToken, isNotArrowToken, isNotClosingBraceToken, isNotClosingBracketToken, isNotClosingParenToken, isNotColonToken, isNotCommaToken, isNotCommentToken, isNotOpeningBraceToken, isNotOpeningBracketToken, isNotOpeningParenToken, isNotSemicolonToken, isOpeningBraceToken, isOpeningBracketToken, isOpeningParenToken, isParenthesized, isSemicolonToken }; diff --git a/module/node_modules/@eslint-community/eslint-utils/index.js b/module/node_modules/@eslint-community/eslint-utils/index.js new file mode 100644 index 000000000..0d76fb6fc --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/index.js @@ -0,0 +1,2607 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var eslintVisitorKeys = require('eslint-visitor-keys'); + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").Node} Node */ + +/** + * Get the innermost scope which contains a given location. + * @param {Scope} initialScope The initial scope to search. + * @param {Node} node The location to search. + * @returns {Scope} The innermost scope. + */ +function getInnermostScope(initialScope, node) { + const location = /** @type {[number, number]} */ (node.range)[0]; + + let scope = initialScope; + let found = false; + do { + found = false; + for (const childScope of scope.childScopes) { + const range = /** @type {[number, number]} */ ( + childScope.block.range + ); + + if (range[0] <= location && location < range[1]) { + scope = childScope; + found = true; + break + } + } + } while (found) + + return scope +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Find the variable of a given name. + * @param {Scope} initialScope The scope to start finding. + * @param {string|Identifier} nameOrNode The variable name to find. If this is a Node object then it should be an Identifier node. + * @returns {Variable|null} The found variable or null. + */ +function findVariable(initialScope, nameOrNode) { + let name = ""; + /** @type {Scope|null} */ + let scope = initialScope; + + if (typeof nameOrNode === "string") { + name = nameOrNode; + } else { + name = nameOrNode.name; + scope = getInnermostScope(scope, nameOrNode); + } + + while (scope != null) { + const variable = scope.set.get(name); + if (variable != null) { + return variable + } + scope = scope.upper; + } + + return null +} + +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("estree").Comment} Comment */ +/** @typedef {import("./types.mjs").ArrowToken} ArrowToken */ +/** @typedef {import("./types.mjs").CommaToken} CommaToken */ +/** @typedef {import("./types.mjs").SemicolonToken} SemicolonToken */ +/** @typedef {import("./types.mjs").ColonToken} ColonToken */ +/** @typedef {import("./types.mjs").OpeningParenToken} OpeningParenToken */ +/** @typedef {import("./types.mjs").ClosingParenToken} ClosingParenToken */ +/** @typedef {import("./types.mjs").OpeningBracketToken} OpeningBracketToken */ +/** @typedef {import("./types.mjs").ClosingBracketToken} ClosingBracketToken */ +/** @typedef {import("./types.mjs").OpeningBraceToken} OpeningBraceToken */ +/** @typedef {import("./types.mjs").ClosingBraceToken} ClosingBraceToken */ +/** + * @template {string} Value + * @typedef {import("./types.mjs").PunctuatorToken} PunctuatorToken + */ + +/** @typedef {Comment | Token} CommentOrToken */ + +/** + * Creates the negate function of the given function. + * @param {function(CommentOrToken):boolean} f - The function to negate. + * @returns {function(CommentOrToken):boolean} Negated function. + */ +function negate(f) { + return (token) => !f(token) +} + +/** + * Checks if the given token is a PunctuatorToken with the given value + * @template {string} Value + * @param {CommentOrToken} token - The token to check. + * @param {Value} value - The value to check. + * @returns {token is PunctuatorToken} `true` if the token is a PunctuatorToken with the given value. + */ +function isPunctuatorTokenWithValue(token, value) { + return token.type === "Punctuator" && token.value === value +} + +/** + * Checks if the given token is an arrow token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ArrowToken} `true` if the token is an arrow token. + */ +function isArrowToken(token) { + return isPunctuatorTokenWithValue(token, "=>") +} + +/** + * Checks if the given token is a comma token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is CommaToken} `true` if the token is a comma token. + */ +function isCommaToken(token) { + return isPunctuatorTokenWithValue(token, ",") +} + +/** + * Checks if the given token is a semicolon token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is SemicolonToken} `true` if the token is a semicolon token. + */ +function isSemicolonToken(token) { + return isPunctuatorTokenWithValue(token, ";") +} + +/** + * Checks if the given token is a colon token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ColonToken} `true` if the token is a colon token. + */ +function isColonToken(token) { + return isPunctuatorTokenWithValue(token, ":") +} + +/** + * Checks if the given token is an opening parenthesis token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningParenToken} `true` if the token is an opening parenthesis token. + */ +function isOpeningParenToken(token) { + return isPunctuatorTokenWithValue(token, "(") +} + +/** + * Checks if the given token is a closing parenthesis token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingParenToken} `true` if the token is a closing parenthesis token. + */ +function isClosingParenToken(token) { + return isPunctuatorTokenWithValue(token, ")") +} + +/** + * Checks if the given token is an opening square bracket token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningBracketToken} `true` if the token is an opening square bracket token. + */ +function isOpeningBracketToken(token) { + return isPunctuatorTokenWithValue(token, "[") +} + +/** + * Checks if the given token is a closing square bracket token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingBracketToken} `true` if the token is a closing square bracket token. + */ +function isClosingBracketToken(token) { + return isPunctuatorTokenWithValue(token, "]") +} + +/** + * Checks if the given token is an opening brace token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningBraceToken} `true` if the token is an opening brace token. + */ +function isOpeningBraceToken(token) { + return isPunctuatorTokenWithValue(token, "{") +} + +/** + * Checks if the given token is a closing brace token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingBraceToken} `true` if the token is a closing brace token. + */ +function isClosingBraceToken(token) { + return isPunctuatorTokenWithValue(token, "}") +} + +/** + * Checks if the given token is a comment token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is Comment} `true` if the token is a comment token. + */ +function isCommentToken(token) { + return ["Block", "Line", "Shebang"].includes(token.type) +} + +const isNotArrowToken = negate(isArrowToken); +const isNotCommaToken = negate(isCommaToken); +const isNotSemicolonToken = negate(isSemicolonToken); +const isNotColonToken = negate(isColonToken); +const isNotOpeningParenToken = negate(isOpeningParenToken); +const isNotClosingParenToken = negate(isClosingParenToken); +const isNotOpeningBracketToken = negate(isOpeningBracketToken); +const isNotClosingBracketToken = negate(isClosingBracketToken); +const isNotOpeningBraceToken = negate(isOpeningBraceToken); +const isNotClosingBraceToken = negate(isClosingBraceToken); +const isNotCommentToken = negate(isCommentToken); + +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("estree").Function} FunctionNode */ +/** @typedef {import("estree").FunctionDeclaration} FunctionDeclaration */ +/** @typedef {import("estree").FunctionExpression} FunctionExpression */ +/** @typedef {import("estree").SourceLocation} SourceLocation */ +/** @typedef {import("estree").Position} Position */ + +/** + * Get the `(` token of the given function node. + * @param {FunctionExpression | FunctionDeclaration} node - The function node to get. + * @param {SourceCode} sourceCode - The source code object to get tokens. + * @returns {Token} `(` token. + */ +function getOpeningParenOfParams(node, sourceCode) { + return node.id + ? /** @type {Token} */ ( + sourceCode.getTokenAfter(node.id, isOpeningParenToken) + ) + : /** @type {Token} */ ( + sourceCode.getFirstToken(node, isOpeningParenToken) + ) +} + +/** + * Get the location of the given function node for reporting. + * @param {FunctionNode} node - The function node to get. + * @param {SourceCode} sourceCode - The source code object to get tokens. + * @returns {SourceLocation|null} The location of the function node for reporting. + */ +function getFunctionHeadLocation(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + + /** @type {Position|null} */ + let start = null; + /** @type {Position|null} */ + let end = null; + + if (node.type === "ArrowFunctionExpression") { + const arrowToken = /** @type {Token} */ ( + sourceCode.getTokenBefore(node.body, isArrowToken) + ); + + start = arrowToken.loc.start; + end = arrowToken.loc.end; + } else if ( + parent.type === "Property" || + parent.type === "MethodDefinition" || + parent.type === "PropertyDefinition" + ) { + start = /** @type {SourceLocation} */ (parent.loc).start; + end = getOpeningParenOfParams(node, sourceCode).loc.start; + } else { + start = /** @type {SourceLocation} */ (node.loc).start; + end = getOpeningParenOfParams(node, sourceCode).loc.start; + } + + return { + start: { ...start }, + end: { ...end }, + } +} + +/* globals globalThis, global, self, window */ +/** @typedef {import("./types.mjs").StaticValue} StaticValue */ +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Node} TSESTreeNode */ +/** @typedef {import("@typescript-eslint/types").TSESTree.AST_NODE_TYPES} TSESTreeNodeTypes */ +/** @typedef {import("@typescript-eslint/types").TSESTree.MemberExpression} MemberExpression */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Property} Property */ +/** @typedef {import("@typescript-eslint/types").TSESTree.RegExpLiteral} RegExpLiteral */ +/** @typedef {import("@typescript-eslint/types").TSESTree.BigIntLiteral} BigIntLiteral */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Literal} Literal */ + +const globalObject = + typeof globalThis !== "undefined" + ? globalThis + : // @ts-ignore + typeof self !== "undefined" + ? // @ts-ignore + self + : // @ts-ignore + typeof window !== "undefined" + ? // @ts-ignore + window + : typeof global !== "undefined" + ? global + : {}; + +const builtinNames = Object.freeze( + new Set([ + "Array", + "ArrayBuffer", + "BigInt", + "BigInt64Array", + "BigUint64Array", + "Boolean", + "DataView", + "Date", + "decodeURI", + "decodeURIComponent", + "encodeURI", + "encodeURIComponent", + "escape", + "Float32Array", + "Float64Array", + "Function", + "Infinity", + "Int16Array", + "Int32Array", + "Int8Array", + "isFinite", + "isNaN", + "isPrototypeOf", + "JSON", + "Map", + "Math", + "NaN", + "Number", + "Object", + "parseFloat", + "parseInt", + "Promise", + "Proxy", + "Reflect", + "RegExp", + "Set", + "String", + "Symbol", + "Uint16Array", + "Uint32Array", + "Uint8Array", + "Uint8ClampedArray", + "undefined", + "unescape", + "WeakMap", + "WeakSet", + ]), +); +const callAllowed = new Set( + [ + Array.isArray, + Array.of, + Array.prototype.at, + Array.prototype.concat, + Array.prototype.entries, + Array.prototype.every, + Array.prototype.filter, + Array.prototype.find, + Array.prototype.findIndex, + Array.prototype.flat, + Array.prototype.includes, + Array.prototype.indexOf, + Array.prototype.join, + Array.prototype.keys, + Array.prototype.lastIndexOf, + Array.prototype.slice, + Array.prototype.some, + Array.prototype.toString, + Array.prototype.values, + typeof BigInt === "function" ? BigInt : undefined, + Boolean, + Date, + Date.parse, + decodeURI, + decodeURIComponent, + encodeURI, + encodeURIComponent, + escape, + isFinite, + isNaN, + // @ts-ignore + isPrototypeOf, + Map, + Map.prototype.entries, + Map.prototype.get, + Map.prototype.has, + Map.prototype.keys, + Map.prototype.values, + .../** @type {(keyof typeof Math)[]} */ ( + Object.getOwnPropertyNames(Math) + ) + .filter((k) => k !== "random") + .map((k) => Math[k]) + .filter((f) => typeof f === "function"), + Number, + Number.isFinite, + Number.isNaN, + Number.parseFloat, + Number.parseInt, + Number.prototype.toExponential, + Number.prototype.toFixed, + Number.prototype.toPrecision, + Number.prototype.toString, + Object, + Object.entries, + Object.is, + Object.isExtensible, + Object.isFrozen, + Object.isSealed, + Object.keys, + Object.values, + parseFloat, + parseInt, + RegExp, + Set, + Set.prototype.entries, + Set.prototype.has, + Set.prototype.keys, + Set.prototype.values, + String, + String.fromCharCode, + String.fromCodePoint, + String.raw, + String.prototype.at, + String.prototype.charAt, + String.prototype.charCodeAt, + String.prototype.codePointAt, + String.prototype.concat, + String.prototype.endsWith, + String.prototype.includes, + String.prototype.indexOf, + String.prototype.lastIndexOf, + String.prototype.normalize, + String.prototype.padEnd, + String.prototype.padStart, + String.prototype.slice, + String.prototype.startsWith, + String.prototype.substr, + String.prototype.substring, + String.prototype.toLowerCase, + String.prototype.toString, + String.prototype.toUpperCase, + String.prototype.trim, + String.prototype.trimEnd, + String.prototype.trimLeft, + String.prototype.trimRight, + String.prototype.trimStart, + Symbol.for, + Symbol.keyFor, + unescape, + ].filter((f) => typeof f === "function"), +); +const callPassThrough = new Set([ + Object.freeze, + Object.preventExtensions, + Object.seal, +]); + +/** @type {ReadonlyArray]>} */ +const getterAllowed = [ + [Map, new Set(["size"])], + [ + RegExp, + new Set([ + "dotAll", + "flags", + "global", + "hasIndices", + "ignoreCase", + "multiline", + "source", + "sticky", + "unicode", + ]), + ], + [Set, new Set(["size"])], +]; + +/** + * Get the property descriptor. + * @param {object} object The object to get. + * @param {string|number|symbol} name The property name to get. + */ +function getPropertyDescriptor(object, name) { + let x = object; + while ((typeof x === "object" || typeof x === "function") && x !== null) { + const d = Object.getOwnPropertyDescriptor(x, name); + if (d) { + return d + } + x = Object.getPrototypeOf(x); + } + return null +} + +/** + * Check if a property is getter or not. + * @param {object} object The object to check. + * @param {string|number|symbol} name The property name to check. + */ +function isGetter(object, name) { + const d = getPropertyDescriptor(object, name); + return d != null && d.get != null +} + +/** + * Get the element values of a given node list. + * @param {(Node|TSESTreeNode|null)[]} nodeList The node list to get values. + * @param {Scope|undefined|null} initialScope The initial scope to find variables. + * @returns {any[]|null} The value list if all nodes are constant. Otherwise, null. + */ +function getElementValues(nodeList, initialScope) { + const valueList = []; + + for (let i = 0; i < nodeList.length; ++i) { + const elementNode = nodeList[i]; + + if (elementNode == null) { + valueList.length = i + 1; + } else if (elementNode.type === "SpreadElement") { + const argument = getStaticValueR(elementNode.argument, initialScope); + if (argument == null) { + return null + } + valueList.push(.../** @type {Iterable} */ (argument.value)); + } else { + const element = getStaticValueR(elementNode, initialScope); + if (element == null) { + return null + } + valueList.push(element.value); + } + } + + return valueList +} + +/** + * Checks if a variable is a built-in global. + * @param {Variable|null} variable The variable to check. + * @returns {variable is Variable & {defs:[]}} + */ +function isBuiltinGlobal(variable) { + return ( + variable != null && + variable.defs.length === 0 && + builtinNames.has(variable.name) && + variable.name in globalObject + ) +} + +/** + * Checks if a variable can be considered as a constant. + * @param {Variable} variable + * @returns {variable is Variable & {defs: [import("eslint").Scope.Definition & { type: "Variable" }]}} True if the variable can be considered as a constant. + */ +function canBeConsideredConst(variable) { + if (variable.defs.length !== 1) { + return false + } + const def = variable.defs[0]; + return Boolean( + def.parent && + def.type === "Variable" && + (def.parent.kind === "const" || isEffectivelyConst(variable)), + ) +} + +/** + * Returns whether the given variable is never written to after initialization. + * @param {Variable} variable + * @returns {boolean} + */ +function isEffectivelyConst(variable) { + const refs = variable.references; + + const inits = refs.filter((r) => r.init).length; + const reads = refs.filter((r) => r.isReadOnly()).length; + if (inits === 1 && reads + inits === refs.length) { + // there is only one init and all other references only read + return true + } + return false +} + +/** + * Checks if a variable has mutation in its property. + * @param {Variable} variable The variable to check. + * @param {Scope|null} initialScope The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {boolean} True if the variable has mutation in its property. + */ +function hasMutationInProperty(variable, initialScope) { + for (const ref of variable.references) { + let node = /** @type {TSESTreeNode} */ (ref.identifier); + while (node && node.parent && node.parent.type === "MemberExpression") { + node = node.parent; + } + if (!node || !node.parent) { + continue + } + if ( + (node.parent.type === "AssignmentExpression" && + node.parent.left === node) || + (node.parent.type === "UpdateExpression" && + node.parent.argument === node) + ) { + // This is a mutation. + return true + } + if ( + node.parent.type === "CallExpression" && + node.parent.callee === node && + node.type === "MemberExpression" + ) { + const methodName = getStaticPropertyNameValue(node, initialScope); + if (isNameOfMutationArrayMethod(methodName)) { + // This is a mutation. + return true + } + } + } + return false + + /** + * Checks if a method name is one of the mutation array methods. + * @param {StaticValue|null} methodName The method name to check. + * @returns {boolean} True if the method name is a mutation array method. + */ + function isNameOfMutationArrayMethod(methodName) { + if (methodName == null || methodName.value == null) { + return false + } + const name = methodName.value; + return ( + name === "copyWithin" || + name === "fill" || + name === "pop" || + name === "push" || + name === "reverse" || + name === "shift" || + name === "sort" || + name === "splice" || + name === "unshift" + ) + } +} + +/** + * @template {TSESTreeNodeTypes} T + * @callback VisitorCallback + * @param {TSESTreeNode & { type: T }} node + * @param {Scope|undefined|null} initialScope + * @returns {StaticValue | null} + */ +/** + * @typedef { { [K in TSESTreeNodeTypes]?: VisitorCallback } } Operations + */ +/** + * @type {Operations} + */ +const operations = Object.freeze({ + ArrayExpression(node, initialScope) { + const elements = getElementValues(node.elements, initialScope); + return elements != null ? { value: elements } : null + }, + + AssignmentExpression(node, initialScope) { + if (node.operator === "=") { + return getStaticValueR(node.right, initialScope) + } + return null + }, + + //eslint-disable-next-line complexity + BinaryExpression(node, initialScope) { + if (node.operator === "in" || node.operator === "instanceof") { + // Not supported. + return null + } + + const left = getStaticValueR(node.left, initialScope); + const right = getStaticValueR(node.right, initialScope); + if (left != null && right != null) { + switch (node.operator) { + case "==": + return { value: left.value == right.value } //eslint-disable-line eqeqeq + case "!=": + return { value: left.value != right.value } //eslint-disable-line eqeqeq + case "===": + return { value: left.value === right.value } + case "!==": + return { value: left.value !== right.value } + case "<": + return { + value: + /** @type {any} */ (left.value) < + /** @type {any} */ (right.value), + } + case "<=": + return { + value: + /** @type {any} */ (left.value) <= + /** @type {any} */ (right.value), + } + case ">": + return { + value: + /** @type {any} */ (left.value) > + /** @type {any} */ (right.value), + } + case ">=": + return { + value: + /** @type {any} */ (left.value) >= + /** @type {any} */ (right.value), + } + case "<<": + return { + value: + /** @type {any} */ (left.value) << + /** @type {any} */ (right.value), + } + case ">>": + return { + value: + /** @type {any} */ (left.value) >> + /** @type {any} */ (right.value), + } + case ">>>": + return { + value: + /** @type {any} */ (left.value) >>> + /** @type {any} */ (right.value), + } + case "+": + return { + value: + /** @type {any} */ (left.value) + + /** @type {any} */ (right.value), + } + case "-": + return { + value: + /** @type {any} */ (left.value) - + /** @type {any} */ (right.value), + } + case "*": + return { + value: + /** @type {any} */ (left.value) * + /** @type {any} */ (right.value), + } + case "/": + return { + value: + /** @type {any} */ (left.value) / + /** @type {any} */ (right.value), + } + case "%": + return { + value: + /** @type {any} */ (left.value) % + /** @type {any} */ (right.value), + } + case "**": + return { + value: + /** @type {any} */ (left.value) ** + /** @type {any} */ (right.value), + } + case "|": + return { + value: + /** @type {any} */ (left.value) | + /** @type {any} */ (right.value), + } + case "^": + return { + value: + /** @type {any} */ (left.value) ^ + /** @type {any} */ (right.value), + } + case "&": + return { + value: + /** @type {any} */ (left.value) & + /** @type {any} */ (right.value), + } + + // no default + } + } + + return null + }, + + CallExpression(node, initialScope) { + const calleeNode = node.callee; + const args = getElementValues(node.arguments, initialScope); + + if (args != null) { + if (calleeNode.type === "MemberExpression") { + if (calleeNode.property.type === "PrivateIdentifier") { + return null + } + const object = getStaticValueR(calleeNode.object, initialScope); + if (object != null) { + if ( + object.value == null && + (object.optional || node.optional) + ) { + return { value: undefined, optional: true } + } + const property = getStaticPropertyNameValue( + calleeNode, + initialScope, + ); + + if (property != null) { + const receiver = + /** @type {Record any>} */ ( + object.value + ); + const methodName = /** @type {PropertyKey} */ ( + property.value + ); + if (callAllowed.has(receiver[methodName])) { + return { + value: receiver[methodName](...args), + } + } + if (callPassThrough.has(receiver[methodName])) { + return { value: args[0] } + } + } + } + } else { + const callee = getStaticValueR(calleeNode, initialScope); + if (callee != null) { + if (callee.value == null && node.optional) { + return { value: undefined, optional: true } + } + const func = /** @type {(...args: any[]) => any} */ ( + callee.value + ); + if (callAllowed.has(func)) { + return { value: func(...args) } + } + if (callPassThrough.has(func)) { + return { value: args[0] } + } + } + } + } + + return null + }, + + ConditionalExpression(node, initialScope) { + const test = getStaticValueR(node.test, initialScope); + if (test != null) { + return test.value + ? getStaticValueR(node.consequent, initialScope) + : getStaticValueR(node.alternate, initialScope) + } + return null + }, + + ExpressionStatement(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + + Identifier(node, initialScope) { + if (initialScope != null) { + const variable = findVariable(initialScope, node); + + if (variable != null) { + // Built-in globals. + if (isBuiltinGlobal(variable)) { + return { value: globalObject[variable.name] } + } + + // Constants. + if (canBeConsideredConst(variable)) { + const def = variable.defs[0]; + if ( + // TODO(mysticatea): don't support destructuring here. + def.node.id.type === "Identifier" + ) { + const init = getStaticValueR( + def.node.init, + initialScope, + ); + if ( + init && + typeof init.value === "object" && + init.value !== null + ) { + if (hasMutationInProperty(variable, initialScope)) { + // This variable has mutation in its property. + return null + } + } + return init + } + } + } + } + return null + }, + + Literal(node) { + const literal = + /** @type {Partial & Partial & Partial} */ ( + node + ); + //istanbul ignore if : this is implementation-specific behavior. + if ( + (literal.regex != null || literal.bigint != null) && + literal.value == null + ) { + // It was a RegExp/BigInt literal, but Node.js didn't support it. + return null + } + return { value: literal.value } + }, + + LogicalExpression(node, initialScope) { + const left = getStaticValueR(node.left, initialScope); + if (left != null) { + if ( + (node.operator === "||" && Boolean(left.value) === true) || + (node.operator === "&&" && Boolean(left.value) === false) || + (node.operator === "??" && left.value != null) + ) { + return left + } + + const right = getStaticValueR(node.right, initialScope); + if (right != null) { + return right + } + } + + return null + }, + + MemberExpression(node, initialScope) { + if (node.property.type === "PrivateIdentifier") { + return null + } + const object = getStaticValueR(node.object, initialScope); + if (object != null) { + if (object.value == null && (object.optional || node.optional)) { + return { value: undefined, optional: true } + } + const property = getStaticPropertyNameValue(node, initialScope); + + if (property != null) { + if ( + !isGetter( + /** @type {object} */ (object.value), + /** @type {PropertyKey} */ (property.value), + ) + ) { + return { + value: /** @type {Record} */ ( + object.value + )[/** @type {PropertyKey} */ (property.value)], + } + } + + for (const [classFn, allowed] of getterAllowed) { + if ( + object.value instanceof classFn && + allowed.has(/** @type {string} */ (property.value)) + ) { + return { + value: /** @type {Record} */ ( + object.value + )[/** @type {PropertyKey} */ (property.value)], + } + } + } + } + } + return null + }, + + ChainExpression(node, initialScope) { + const expression = getStaticValueR(node.expression, initialScope); + if (expression != null) { + return { value: expression.value } + } + return null + }, + + NewExpression(node, initialScope) { + const callee = getStaticValueR(node.callee, initialScope); + const args = getElementValues(node.arguments, initialScope); + + if (callee != null && args != null) { + const Func = /** @type {new (...args: any[]) => any} */ ( + callee.value + ); + if (callAllowed.has(Func)) { + return { value: new Func(...args) } + } + } + + return null + }, + + ObjectExpression(node, initialScope) { + /** @type {Record} */ + const object = {}; + + for (const propertyNode of node.properties) { + if (propertyNode.type === "Property") { + if (propertyNode.kind !== "init") { + return null + } + const key = getStaticPropertyNameValue( + propertyNode, + initialScope, + ); + const value = getStaticValueR(propertyNode.value, initialScope); + if (key == null || value == null) { + return null + } + object[/** @type {PropertyKey} */ (key.value)] = value.value; + } else if ( + propertyNode.type === "SpreadElement" || + // @ts-expect-error -- Backward compatibility + propertyNode.type === "ExperimentalSpreadProperty" + ) { + const argument = getStaticValueR( + propertyNode.argument, + initialScope, + ); + if (argument == null) { + return null + } + Object.assign(object, argument.value); + } else { + return null + } + } + + return { value: object } + }, + + SequenceExpression(node, initialScope) { + const last = node.expressions[node.expressions.length - 1]; + return getStaticValueR(last, initialScope) + }, + + TaggedTemplateExpression(node, initialScope) { + const tag = getStaticValueR(node.tag, initialScope); + const expressions = getElementValues( + node.quasi.expressions, + initialScope, + ); + + if (tag != null && expressions != null) { + const func = /** @type {(...args: any[]) => any} */ (tag.value); + /** @type {any[] & { raw?: string[] }} */ + const strings = node.quasi.quasis.map((q) => q.value.cooked); + strings.raw = node.quasi.quasis.map((q) => q.value.raw); + + if (func === String.raw) { + return { value: func(strings, ...expressions) } + } + } + + return null + }, + + TemplateLiteral(node, initialScope) { + const expressions = getElementValues(node.expressions, initialScope); + if (expressions != null) { + let value = node.quasis[0].value.cooked; + for (let i = 0; i < expressions.length; ++i) { + value += expressions[i]; + value += /** @type {string} */ (node.quasis[i + 1].value.cooked); + } + return { value } + } + return null + }, + + UnaryExpression(node, initialScope) { + if (node.operator === "delete") { + // Not supported. + return null + } + if (node.operator === "void") { + return { value: undefined } + } + + const arg = getStaticValueR(node.argument, initialScope); + if (arg != null) { + switch (node.operator) { + case "-": + return { value: -(/** @type {any} */ (arg.value)) } + case "+": + return { value: +(/** @type {any} */ (arg.value)) } //eslint-disable-line no-implicit-coercion + case "!": + return { value: !arg.value } + case "~": + return { value: ~(/** @type {any} */ (arg.value)) } + case "typeof": + return { value: typeof arg.value } + + // no default + } + } + + return null + }, + TSAsExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSSatisfiesExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSTypeAssertion(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSNonNullExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSInstantiationExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, +}); + +/** + * Get the value of a given node if it's a static value. + * @param {Node|TSESTreeNode|null|undefined} node The node to get. + * @param {Scope|undefined|null} initialScope The scope to start finding variable. + * @returns {StaticValue|null} The static value of the node, or `null`. + */ +function getStaticValueR(node, initialScope) { + if (node != null && Object.hasOwnProperty.call(operations, node.type)) { + return /** @type {VisitorCallback} */ (operations[node.type])( + /** @type {TSESTreeNode} */ (node), + initialScope, + ) + } + return null +} + +/** + * Get the static value of property name from a MemberExpression node or a Property node. + * @param {MemberExpression|Property} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {StaticValue|null} The static value of the property name of the node, or `null`. + */ +function getStaticPropertyNameValue(node, initialScope) { + const nameNode = node.type === "Property" ? node.key : node.property; + + if (node.computed) { + return getStaticValueR(nameNode, initialScope) + } + + if (nameNode.type === "Identifier") { + return { value: nameNode.name } + } + + if (nameNode.type === "Literal") { + if (/** @type {Partial} */ (nameNode).bigint) { + return { value: /** @type {BigIntLiteral} */ (nameNode).bigint } + } + return { value: String(nameNode.value) } + } + + return null +} + +/** + * Get the value of a given node if it's a static value. + * @param {Node} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If this scope was given, this tries to resolve identifier references which are in the given node as much as possible. + * @returns {StaticValue | null} The static value of the node, or `null`. + */ +function getStaticValue(node, initialScope = null) { + try { + return getStaticValueR(node, initialScope) + } catch (_error) { + return null + } +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("estree").RegExpLiteral} RegExpLiteral */ +/** @typedef {import("estree").BigIntLiteral} BigIntLiteral */ +/** @typedef {import("estree").SimpleLiteral} SimpleLiteral */ + +/** + * Get the value of a given node if it's a literal or a template literal. + * @param {Node} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is an Identifier node and this scope was given, this checks the variable of the identifier, and returns the value of it if the variable is a constant. + * @returns {string|null} The value of the node, or `null`. + */ +function getStringIfConstant(node, initialScope = null) { + // Handle the literals that the platform doesn't support natively. + if (node && node.type === "Literal" && node.value === null) { + const literal = + /** @type {Partial & Partial & Partial} */ ( + node + ); + if (literal.regex) { + return `/${literal.regex.pattern}/${literal.regex.flags}` + } + if (literal.bigint) { + return literal.bigint + } + } + + const evaluated = getStaticValue(node, initialScope); + + if (evaluated) { + // `String(Symbol.prototype)` throws error + try { + return String(evaluated.value) + } catch { + // No op + } + } + + return null +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").MemberExpression} MemberExpression */ +/** @typedef {import("estree").MethodDefinition} MethodDefinition */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").PropertyDefinition} PropertyDefinition */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Get the property name from a MemberExpression node or a Property node. + * @param {MemberExpression | MethodDefinition | Property | PropertyDefinition} node The node to get. + * @param {Scope} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {string|null|undefined} The property name of the node. + */ +function getPropertyName(node, initialScope) { + switch (node.type) { + case "MemberExpression": + if (node.computed) { + return getStringIfConstant(node.property, initialScope) + } + if (node.property.type === "PrivateIdentifier") { + return null + } + return /** @type {Partial} */ (node.property).name + + case "Property": + case "MethodDefinition": + case "PropertyDefinition": + if (node.computed) { + return getStringIfConstant(node.key, initialScope) + } + if (node.key.type === "Literal") { + return String(node.key.value) + } + if (node.key.type === "PrivateIdentifier") { + return null + } + return /** @type {Partial} */ (node.key).name + } + + return null +} + +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("estree").Function} FunctionNode */ +/** @typedef {import("estree").FunctionDeclaration} FunctionDeclaration */ +/** @typedef {import("estree").FunctionExpression} FunctionExpression */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Get the name and kind of the given function node. + * @param {FunctionNode} node - The function node to get. + * @param {SourceCode} [sourceCode] The source code object to get the code of computed property keys. + * @returns {string} The name and kind of the function node. + */ +// eslint-disable-next-line complexity +function getFunctionNameWithKind(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + const tokens = []; + const isObjectMethod = parent.type === "Property" && parent.value === node; + const isClassMethod = + parent.type === "MethodDefinition" && parent.value === node; + const isClassFieldMethod = + parent.type === "PropertyDefinition" && parent.value === node; + + // Modifiers. + if (isClassMethod || isClassFieldMethod) { + if (parent.static) { + tokens.push("static"); + } + if (parent.key.type === "PrivateIdentifier") { + tokens.push("private"); + } + } + if (node.async) { + tokens.push("async"); + } + if (node.generator) { + tokens.push("generator"); + } + + // Kinds. + if (isObjectMethod || isClassMethod) { + if (parent.kind === "constructor") { + return "constructor" + } + if (parent.kind === "get") { + tokens.push("getter"); + } else if (parent.kind === "set") { + tokens.push("setter"); + } else { + tokens.push("method"); + } + } else if (isClassFieldMethod) { + tokens.push("method"); + } else { + if (node.type === "ArrowFunctionExpression") { + tokens.push("arrow"); + } + tokens.push("function"); + } + + // Names. + if (isObjectMethod || isClassMethod || isClassFieldMethod) { + if (parent.key.type === "PrivateIdentifier") { + tokens.push(`#${parent.key.name}`); + } else { + const name = getPropertyName(parent); + if (name) { + tokens.push(`'${name}'`); + } else if (sourceCode) { + const keyText = sourceCode.getText(parent.key); + if (!keyText.includes("\n")) { + tokens.push(`[${keyText}]`); + } + } + } + } else if (hasId(node)) { + tokens.push(`'${node.id.name}'`); + } else if ( + parent.type === "VariableDeclarator" && + parent.id && + parent.id.type === "Identifier" + ) { + tokens.push(`'${parent.id.name}'`); + } else if ( + (parent.type === "AssignmentExpression" || + parent.type === "AssignmentPattern") && + parent.left && + parent.left.type === "Identifier" + ) { + tokens.push(`'${parent.left.name}'`); + } else if ( + parent.type === "ExportDefaultDeclaration" && + parent.declaration === node + ) { + tokens.push("'default'"); + } + + return tokens.join(" ") +} + +/** + * @param {FunctionNode} node + * @returns {node is FunctionDeclaration | FunctionExpression & { id: Identifier }} + */ +function hasId(node) { + return Boolean( + /** @type {Partial} */ (node) + .id, + ) +} + +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("./types.mjs").HasSideEffectOptions} HasSideEffectOptions */ +/** @typedef {import("estree").BinaryExpression} BinaryExpression */ +/** @typedef {import("estree").MemberExpression} MemberExpression */ +/** @typedef {import("estree").MethodDefinition} MethodDefinition */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").PropertyDefinition} PropertyDefinition */ +/** @typedef {import("estree").UnaryExpression} UnaryExpression */ + +const typeConversionBinaryOps = Object.freeze( + new Set([ + "==", + "!=", + "<", + "<=", + ">", + ">=", + "<<", + ">>", + ">>>", + "+", + "-", + "*", + "/", + "%", + "|", + "^", + "&", + "in", + ]), +); +const typeConversionUnaryOps = Object.freeze(new Set(["-", "+", "!", "~"])); + +/** + * Check whether the given value is an ASTNode or not. + * @param {any} x The value to check. + * @returns {x is Node} `true` if the value is an ASTNode. + */ +function isNode(x) { + return x !== null && typeof x === "object" && typeof x.type === "string" +} + +const visitor = Object.freeze( + Object.assign(Object.create(null), { + /** + * @param {Node} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + $visit(node, options, visitorKeys) { + const { type } = node; + + if (typeof (/** @type {any} */ (this)[type]) === "function") { + return /** @type {any} */ (this)[type]( + node, + options, + visitorKeys, + ) + } + + return this.$visitChildren(node, options, visitorKeys) + }, + + /** + * @param {Node} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + $visitChildren(node, options, visitorKeys) { + const { type } = node; + + for (const key of /** @type {(keyof Node)[]} */ ( + visitorKeys[type] || eslintVisitorKeys.getKeys(node) + )) { + const value = node[key]; + + if (Array.isArray(value)) { + for (const element of value) { + if ( + isNode(element) && + this.$visit(element, options, visitorKeys) + ) { + return true + } + } + } else if ( + isNode(value) && + this.$visit(value, options, visitorKeys) + ) { + return true + } + } + + return false + }, + + ArrowFunctionExpression() { + return false + }, + AssignmentExpression() { + return true + }, + AwaitExpression() { + return true + }, + /** + * @param {BinaryExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + BinaryExpression(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + typeConversionBinaryOps.has(node.operator) && + (node.left.type !== "Literal" || node.right.type !== "Literal") + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + CallExpression() { + return true + }, + FunctionExpression() { + return false + }, + ImportExpression() { + return true + }, + /** + * @param {MemberExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + MemberExpression(node, options, visitorKeys) { + if (options.considerGetters) { + return true + } + if ( + options.considerImplicitTypeConversion && + node.computed && + node.property.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {MethodDefinition} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + MethodDefinition(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + NewExpression() { + return true + }, + /** + * @param {Property} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + Property(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {PropertyDefinition} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + PropertyDefinition(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {UnaryExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + UnaryExpression(node, options, visitorKeys) { + if (node.operator === "delete") { + return true + } + if ( + options.considerImplicitTypeConversion && + typeConversionUnaryOps.has(node.operator) && + node.argument.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + UpdateExpression() { + return true + }, + YieldExpression() { + return true + }, + }), +); + +/** + * Check whether a given node has any side effect or not. + * @param {Node} node The node to get. + * @param {SourceCode} sourceCode The source code object. + * @param {HasSideEffectOptions} [options] The option object. + * @returns {boolean} `true` if the node has a certain side effect. + */ +function hasSideEffect(node, sourceCode, options = {}) { + const { considerGetters = false, considerImplicitTypeConversion = false } = + options; + return visitor.$visit( + node, + { considerGetters, considerImplicitTypeConversion }, + sourceCode.visitorKeys || eslintVisitorKeys.KEYS, + ) +} + +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("@typescript-eslint/types").TSESTree.NewExpression} TSNewExpression */ +/** @typedef {import("@typescript-eslint/types").TSESTree.CallExpression} TSCallExpression */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("eslint").Rule.Node} RuleNode */ + +/** + * Get the left parenthesis of the parent node syntax if it exists. + * E.g., `if (a) {}` then the `(`. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {Token|null} The left parenthesis of the parent node syntax + */ +// eslint-disable-next-line complexity +function getParentSyntaxParen(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + + switch (parent.type) { + case "CallExpression": + case "NewExpression": + if (parent.arguments.length === 1 && parent.arguments[0] === node) { + return sourceCode.getTokenAfter( + // @ts-expect-error https://github.com/typescript-eslint/typescript-eslint/pull/5384 + parent.typeArguments || + /** @type {RuleNode} */ ( + /** @type {unknown} */ ( + /** @type {TSNewExpression | TSCallExpression} */ ( + parent + ).typeParameters + ) + ) || + parent.callee, + isOpeningParenToken, + ) + } + return null + + case "DoWhileStatement": + if (parent.test === node) { + return sourceCode.getTokenAfter( + parent.body, + isOpeningParenToken, + ) + } + return null + + case "IfStatement": + case "WhileStatement": + if (parent.test === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "ImportExpression": + if (parent.source === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "SwitchStatement": + if (parent.discriminant === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "WithStatement": + if (parent.object === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + default: + return null + } +} + +/** + * Check whether a given node is parenthesized or not. + * @param {number} times The number of parantheses. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {boolean} `true` if the node is parenthesized the given times. + */ +/** + * Check whether a given node is parenthesized or not. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {boolean} `true` if the node is parenthesized. + */ +/** + * Check whether a given node is parenthesized or not. + * @param {Node|number} timesOrNode The first parameter. + * @param {Node|SourceCode} nodeOrSourceCode The second parameter. + * @param {SourceCode} [optionalSourceCode] The third parameter. + * @returns {boolean} `true` if the node is parenthesized. + */ +function isParenthesized( + timesOrNode, + nodeOrSourceCode, + optionalSourceCode, +) { + /** @type {number} */ + let times, + /** @type {RuleNode} */ + node, + /** @type {SourceCode} */ + sourceCode, + maybeLeftParen, + maybeRightParen; + if (typeof timesOrNode === "number") { + times = timesOrNode | 0; + node = /** @type {RuleNode} */ (nodeOrSourceCode); + sourceCode = /** @type {SourceCode} */ (optionalSourceCode); + if (!(times >= 1)) { + throw new TypeError("'times' should be a positive integer.") + } + } else { + times = 1; + node = /** @type {RuleNode} */ (timesOrNode); + sourceCode = /** @type {SourceCode} */ (nodeOrSourceCode); + } + + if ( + node == null || + // `Program` can't be parenthesized + node.parent == null || + // `CatchClause.param` can't be parenthesized, example `try {} catch (error) {}` + (node.parent.type === "CatchClause" && node.parent.param === node) + ) { + return false + } + + maybeLeftParen = maybeRightParen = node; + do { + maybeLeftParen = sourceCode.getTokenBefore(maybeLeftParen); + maybeRightParen = sourceCode.getTokenAfter(maybeRightParen); + } while ( + maybeLeftParen != null && + maybeRightParen != null && + isOpeningParenToken(maybeLeftParen) && + isClosingParenToken(maybeRightParen) && + // Avoid false positive such as `if (a) {}` + maybeLeftParen !== getParentSyntaxParen(node, sourceCode) && + --times > 0 + ) + + return times === 0 +} + +/** + * @author Toru Nagashima + * See LICENSE file in root directory for full license. + */ + +const placeholder = /\$(?:[$&`']|[1-9][0-9]?)/gu; + +/** @type {WeakMap} */ +const internal = new WeakMap(); + +/** + * Check whether a given character is escaped or not. + * @param {string} str The string to check. + * @param {number} index The location of the character to check. + * @returns {boolean} `true` if the character is escaped. + */ +function isEscaped(str, index) { + let escaped = false; + for (let i = index - 1; i >= 0 && str.charCodeAt(i) === 0x5c; --i) { + escaped = !escaped; + } + return escaped +} + +/** + * Replace a given string by a given matcher. + * @param {PatternMatcher} matcher The pattern matcher. + * @param {string} str The string to be replaced. + * @param {string} replacement The new substring to replace each matched part. + * @returns {string} The replaced string. + */ +function replaceS(matcher, str, replacement) { + const chunks = []; + let index = 0; + + /** + * @param {string} key The placeholder. + * @param {RegExpExecArray} match The matched information. + * @returns {string} The replaced string. + */ + function replacer(key, match) { + switch (key) { + case "$$": + return "$" + case "$&": + return match[0] + case "$`": + return str.slice(0, match.index) + case "$'": + return str.slice(match.index + match[0].length) + default: { + const i = key.slice(1); + if (i in match) { + return match[/** @type {any} */ (i)] + } + return key + } + } + } + + for (const match of matcher.execAll(str)) { + chunks.push(str.slice(index, match.index)); + chunks.push( + replacement.replace(placeholder, (key) => replacer(key, match)), + ); + index = match.index + match[0].length; + } + chunks.push(str.slice(index)); + + return chunks.join("") +} + +/** + * Replace a given string by a given matcher. + * @param {PatternMatcher} matcher The pattern matcher. + * @param {string} str The string to be replaced. + * @param {(substring: string, ...args: any[]) => string} replace The function to replace each matched part. + * @returns {string} The replaced string. + */ +function replaceF(matcher, str, replace) { + const chunks = []; + let index = 0; + + for (const match of matcher.execAll(str)) { + chunks.push(str.slice(index, match.index)); + chunks.push( + String( + replace( + .../** @type {[string, ...string[]]} */ ( + /** @type {string[]} */ (match) + ), + match.index, + match.input, + ), + ), + ); + index = match.index + match[0].length; + } + chunks.push(str.slice(index)); + + return chunks.join("") +} + +/** + * The class to find patterns as considering escape sequences. + */ +class PatternMatcher { + /** + * Initialize this matcher. + * @param {RegExp} pattern The pattern to match. + * @param {{escaped?:boolean}} [options] The options. + */ + constructor(pattern, options = {}) { + const { escaped = false } = options; + if (!(pattern instanceof RegExp)) { + throw new TypeError("'pattern' should be a RegExp instance.") + } + if (!pattern.flags.includes("g")) { + throw new Error("'pattern' should contains 'g' flag.") + } + + internal.set(this, { + pattern: new RegExp(pattern.source, pattern.flags), + escaped: Boolean(escaped), + }); + } + + /** + * Find the pattern in a given string. + * @param {string} str The string to find. + * @returns {IterableIterator} The iterator which iterate the matched information. + */ + *execAll(str) { + const { pattern, escaped } = + /** @type {{pattern:RegExp,escaped:boolean}} */ (internal.get(this)); + let match = null; + let lastIndex = 0; + + pattern.lastIndex = 0; + while ((match = pattern.exec(str)) != null) { + if (escaped || !isEscaped(str, match.index)) { + lastIndex = pattern.lastIndex; + yield match; + pattern.lastIndex = lastIndex; + } + } + } + + /** + * Check whether the pattern is found in a given string. + * @param {string} str The string to check. + * @returns {boolean} `true` if the pattern was found in the string. + */ + test(str) { + const it = this.execAll(str); + const ret = it.next(); + return !ret.done + } + + /** + * Replace a given string. + * @param {string} str The string to be replaced. + * @param {(string|((...strs:string[])=>string))} replacer The string or function to replace. This is the same as the 2nd argument of `String.prototype.replace`. + * @returns {string} The replaced string. + */ + [Symbol.replace](str, replacer) { + return typeof replacer === "function" + ? replaceF(this, String(str), replacer) + : replaceS(this, String(str), String(replacer)) + } +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("estree").Expression} Expression */ +/** @typedef {import("estree").Pattern} Pattern */ +/** @typedef {import("estree").Identifier} Identifier */ +/** @typedef {import("estree").SimpleCallExpression} CallExpression */ +/** @typedef {import("estree").Program} Program */ +/** @typedef {import("estree").ImportDeclaration} ImportDeclaration */ +/** @typedef {import("estree").ExportAllDeclaration} ExportAllDeclaration */ +/** @typedef {import("estree").ExportDefaultDeclaration} ExportDefaultDeclaration */ +/** @typedef {import("estree").ExportNamedDeclaration} ExportNamedDeclaration */ +/** @typedef {import("estree").ImportSpecifier} ImportSpecifier */ +/** @typedef {import("estree").ImportDefaultSpecifier} ImportDefaultSpecifier */ +/** @typedef {import("estree").ImportNamespaceSpecifier} ImportNamespaceSpecifier */ +/** @typedef {import("estree").ExportSpecifier} ExportSpecifier */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").AssignmentProperty} AssignmentProperty */ +/** @typedef {import("estree").Literal} Literal */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Node} TSESTreeNode */ +/** @typedef {import("./types.mjs").ReferenceTrackerOptions} ReferenceTrackerOptions */ +/** + * @template T + * @typedef {import("./types.mjs").TraceMap} TraceMap + */ +/** + * @template T + * @typedef {import("./types.mjs").TraceMapObject} TraceMapObject + */ +/** + * @template T + * @typedef {import("./types.mjs").TrackedReferences} TrackedReferences + */ + +const IMPORT_TYPE = /^(?:Import|Export(?:All|Default|Named))Declaration$/u; + +/** + * Check whether a given node is an import node or not. + * @param {Node} node + * @returns {node is ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration&{source: Literal}} `true` if the node is an import node. + */ +function isHasSource(node) { + return ( + IMPORT_TYPE.test(node.type) && + /** @type {ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration} */ ( + node + ).source != null + ) +} +const has = + /** @type {(traceMap: TraceMap, v: T) => v is (string extends T ? string : T)} */ ( + Function.call.bind(Object.hasOwnProperty) + ); + +const READ = Symbol("read"); +const CALL = Symbol("call"); +const CONSTRUCT = Symbol("construct"); +const ESM = Symbol("esm"); + +const requireCall = { require: { [CALL]: true } }; + +/** + * Check whether a given variable is modified or not. + * @param {Variable|undefined} variable The variable to check. + * @returns {boolean} `true` if the variable is modified. + */ +function isModifiedGlobal(variable) { + return ( + variable == null || + variable.defs.length !== 0 || + variable.references.some((r) => r.isWrite()) + ) +} + +/** + * Check if the value of a given node is passed through to the parent syntax as-is. + * For example, `a` and `b` in (`a || b` and `c ? a : b`) are passed through. + * @param {Node} node A node to check. + * @returns {node is RuleNode & {parent: Expression}} `true` if the node is passed through. + */ +function isPassThrough(node) { + const parent = /** @type {TSESTreeNode} */ (node).parent; + + if (parent) { + switch (parent.type) { + case "ConditionalExpression": + return parent.consequent === node || parent.alternate === node + case "LogicalExpression": + return true + case "SequenceExpression": + return ( + parent.expressions[parent.expressions.length - 1] === node + ) + case "ChainExpression": + return true + case "TSAsExpression": + case "TSSatisfiesExpression": + case "TSTypeAssertion": + case "TSNonNullExpression": + case "TSInstantiationExpression": + return true + + default: + return false + } + } + return false +} + +/** + * The reference tracker. + */ +class ReferenceTracker { + /** + * Initialize this tracker. + * @param {Scope} globalScope The global scope. + * @param {object} [options] The options. + * @param {"legacy"|"strict"} [options.mode="strict"] The mode to determine the ImportDeclaration's behavior for CJS modules. + * @param {string[]} [options.globalObjectNames=["global","globalThis","self","window"]] The variable names for Global Object. + */ + constructor(globalScope, options = {}) { + const { + mode = "strict", + globalObjectNames = ["global", "globalThis", "self", "window"], + } = options; + /** @private @type {Variable[]} */ + this.variableStack = []; + /** @private */ + this.globalScope = globalScope; + /** @private */ + this.mode = mode; + /** @private */ + this.globalObjectNames = globalObjectNames.slice(0); + } + + /** + * Iterate the references of global variables. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateGlobalReferences(traceMap) { + for (const key of Object.keys(traceMap)) { + const nextTraceMap = traceMap[key]; + const path = [key]; + const variable = this.globalScope.set.get(key); + + if (isModifiedGlobal(variable)) { + continue + } + + yield* this._iterateVariableReferences( + /** @type {Variable} */ (variable), + path, + nextTraceMap, + true, + ); + } + + for (const key of this.globalObjectNames) { + /** @type {string[]} */ + const path = []; + const variable = this.globalScope.set.get(key); + + if (isModifiedGlobal(variable)) { + continue + } + + yield* this._iterateVariableReferences( + /** @type {Variable} */ (variable), + path, + traceMap, + false, + ); + } + } + + /** + * Iterate the references of CommonJS modules. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateCjsReferences(traceMap) { + for (const { node } of this.iterateGlobalReferences(requireCall)) { + const key = getStringIfConstant( + /** @type {CallExpression} */ (node).arguments[0], + ); + if (key == null || !has(traceMap, key)) { + continue + } + + const nextTraceMap = traceMap[key]; + const path = [key]; + + if (nextTraceMap[READ]) { + yield { + node, + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iteratePropertyReferences( + /** @type {CallExpression} */ (node), + path, + nextTraceMap, + ); + } + } + + /** + * Iterate the references of ES modules. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateEsmReferences(traceMap) { + const programNode = /** @type {Program} */ (this.globalScope.block); + + for (const node of programNode.body) { + if (!isHasSource(node)) { + continue + } + const moduleId = /** @type {string} */ (node.source.value); + + if (!has(traceMap, moduleId)) { + continue + } + const nextTraceMap = traceMap[moduleId]; + const path = [moduleId]; + + if (nextTraceMap[READ]) { + yield { + // eslint-disable-next-line object-shorthand -- apply type + node: /** @type {RuleNode} */ (node), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + + if (node.type === "ExportAllDeclaration") { + for (const key of Object.keys(nextTraceMap)) { + const exportTraceMap = nextTraceMap[key]; + if (exportTraceMap[READ]) { + yield { + // eslint-disable-next-line object-shorthand -- apply type + node: /** @type {RuleNode} */ (node), + path: path.concat(key), + type: READ, + info: exportTraceMap[READ], + }; + } + } + } else { + for (const specifier of node.specifiers) { + const esm = has(nextTraceMap, ESM); + const it = this._iterateImportReferences( + specifier, + path, + esm + ? nextTraceMap + : this.mode === "legacy" + ? { default: nextTraceMap, ...nextTraceMap } + : { default: nextTraceMap }, + ); + + if (esm) { + yield* it; + } else { + for (const report of it) { + report.path = report.path.filter(exceptDefault); + if ( + report.path.length >= 2 || + report.type !== READ + ) { + yield report; + } + } + } + } + } + } + } + + /** + * Iterate the property references for a given expression AST node. + * @template T + * @param {Expression} node The expression AST node to iterate property references. + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate property references. + */ + *iteratePropertyReferences(node, traceMap) { + yield* this._iteratePropertyReferences(node, [], traceMap); + } + + /** + * Iterate the references for a given variable. + * @private + * @template T + * @param {Variable} variable The variable to iterate that references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @param {boolean} shouldReport = The flag to report those references. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateVariableReferences(variable, path, traceMap, shouldReport) { + if (this.variableStack.includes(variable)) { + return + } + this.variableStack.push(variable); + try { + for (const reference of variable.references) { + if (!reference.isRead()) { + continue + } + const node = /** @type {RuleNode & Identifier} */ ( + reference.identifier + ); + + if (shouldReport && traceMap[READ]) { + yield { node, path, type: READ, info: traceMap[READ] }; + } + yield* this._iteratePropertyReferences(node, path, traceMap); + } + } finally { + this.variableStack.pop(); + } + } + + /** + * Iterate the references for a given AST node. + * @private + * @template T + * @param {Expression} rootNode The AST node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + //eslint-disable-next-line complexity + *_iteratePropertyReferences(rootNode, path, traceMap) { + let node = rootNode; + while (isPassThrough(node)) { + node = node.parent; + } + + const parent = /** @type {RuleNode} */ (node).parent; + if (parent.type === "MemberExpression") { + if (parent.object === node) { + const key = getPropertyName(parent); + if (key == null || !has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: parent, + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iteratePropertyReferences( + parent, + path, + nextTraceMap, + ); + } + return + } + if (parent.type === "CallExpression") { + if (parent.callee === node && traceMap[CALL]) { + yield { node: parent, path, type: CALL, info: traceMap[CALL] }; + } + return + } + if (parent.type === "NewExpression") { + if (parent.callee === node && traceMap[CONSTRUCT]) { + yield { + node: parent, + path, + type: CONSTRUCT, + info: traceMap[CONSTRUCT], + }; + } + return + } + if (parent.type === "AssignmentExpression") { + if (parent.right === node) { + yield* this._iterateLhsReferences(parent.left, path, traceMap); + yield* this._iteratePropertyReferences(parent, path, traceMap); + } + return + } + if (parent.type === "AssignmentPattern") { + if (parent.right === node) { + yield* this._iterateLhsReferences(parent.left, path, traceMap); + } + return + } + if (parent.type === "VariableDeclarator") { + if (parent.init === node) { + yield* this._iterateLhsReferences(parent.id, path, traceMap); + } + } + } + + /** + * Iterate the references for a given Pattern node. + * @private + * @template T + * @param {Pattern} patternNode The Pattern node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateLhsReferences(patternNode, path, traceMap) { + if (patternNode.type === "Identifier") { + const variable = findVariable(this.globalScope, patternNode); + if (variable != null) { + yield* this._iterateVariableReferences( + variable, + path, + traceMap, + false, + ); + } + return + } + if (patternNode.type === "ObjectPattern") { + for (const property of patternNode.properties) { + const key = getPropertyName( + /** @type {AssignmentProperty} */ (property), + ); + + if (key == null || !has(traceMap, key)) { + continue + } + + const nextPath = path.concat(key); + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (property), + path: nextPath, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iterateLhsReferences( + /** @type {AssignmentProperty} */ (property).value, + nextPath, + nextTraceMap, + ); + } + return + } + if (patternNode.type === "AssignmentPattern") { + yield* this._iterateLhsReferences(patternNode.left, path, traceMap); + } + } + + /** + * Iterate the references for a given ModuleSpecifier node. + * @private + * @template T + * @param {ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier} specifierNode The ModuleSpecifier node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateImportReferences(specifierNode, path, traceMap) { + const type = specifierNode.type; + + if (type === "ImportSpecifier" || type === "ImportDefaultSpecifier") { + const key = + type === "ImportDefaultSpecifier" + ? "default" + : specifierNode.imported.type === "Identifier" + ? specifierNode.imported.name + : specifierNode.imported.value; + if (!has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (specifierNode), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iterateVariableReferences( + /** @type {Variable} */ ( + findVariable(this.globalScope, specifierNode.local) + ), + path, + nextTraceMap, + false, + ); + + return + } + + if (type === "ImportNamespaceSpecifier") { + yield* this._iterateVariableReferences( + /** @type {Variable} */ ( + findVariable(this.globalScope, specifierNode.local) + ), + path, + traceMap, + false, + ); + return + } + + if (type === "ExportSpecifier") { + const key = + specifierNode.local.type === "Identifier" + ? specifierNode.local.name + : specifierNode.local.value; + if (!has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (specifierNode), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + } + } +} + +ReferenceTracker.READ = READ; +ReferenceTracker.CALL = CALL; +ReferenceTracker.CONSTRUCT = CONSTRUCT; +ReferenceTracker.ESM = ESM; + +/** + * This is a predicate function for Array#filter. + * @param {string} name A name part. + * @param {number} index The index of the name. + * @returns {boolean} `false` if it's default. + */ +function exceptDefault(name, index) { + return !(index === 1 && name === "default") +} + +/** @typedef {import("./types.mjs").StaticValue} StaticValue */ + +var index = { + CALL, + CONSTRUCT, + ESM, + findVariable, + getFunctionHeadLocation, + getFunctionNameWithKind, + getInnermostScope, + getPropertyName, + getStaticValue, + getStringIfConstant, + hasSideEffect, + isArrowToken, + isClosingBraceToken, + isClosingBracketToken, + isClosingParenToken, + isColonToken, + isCommaToken, + isCommentToken, + isNotArrowToken, + isNotClosingBraceToken, + isNotClosingBracketToken, + isNotClosingParenToken, + isNotColonToken, + isNotCommaToken, + isNotCommentToken, + isNotOpeningBraceToken, + isNotOpeningBracketToken, + isNotOpeningParenToken, + isNotSemicolonToken, + isOpeningBraceToken, + isOpeningBracketToken, + isOpeningParenToken, + isParenthesized, + isSemicolonToken, + PatternMatcher, + READ, + ReferenceTracker, +}; + +exports.CALL = CALL; +exports.CONSTRUCT = CONSTRUCT; +exports.ESM = ESM; +exports.PatternMatcher = PatternMatcher; +exports.READ = READ; +exports.ReferenceTracker = ReferenceTracker; +exports["default"] = index; +exports.findVariable = findVariable; +exports.getFunctionHeadLocation = getFunctionHeadLocation; +exports.getFunctionNameWithKind = getFunctionNameWithKind; +exports.getInnermostScope = getInnermostScope; +exports.getPropertyName = getPropertyName; +exports.getStaticValue = getStaticValue; +exports.getStringIfConstant = getStringIfConstant; +exports.hasSideEffect = hasSideEffect; +exports.isArrowToken = isArrowToken; +exports.isClosingBraceToken = isClosingBraceToken; +exports.isClosingBracketToken = isClosingBracketToken; +exports.isClosingParenToken = isClosingParenToken; +exports.isColonToken = isColonToken; +exports.isCommaToken = isCommaToken; +exports.isCommentToken = isCommentToken; +exports.isNotArrowToken = isNotArrowToken; +exports.isNotClosingBraceToken = isNotClosingBraceToken; +exports.isNotClosingBracketToken = isNotClosingBracketToken; +exports.isNotClosingParenToken = isNotClosingParenToken; +exports.isNotColonToken = isNotColonToken; +exports.isNotCommaToken = isNotCommaToken; +exports.isNotCommentToken = isNotCommentToken; +exports.isNotOpeningBraceToken = isNotOpeningBraceToken; +exports.isNotOpeningBracketToken = isNotOpeningBracketToken; +exports.isNotOpeningParenToken = isNotOpeningParenToken; +exports.isNotSemicolonToken = isNotSemicolonToken; +exports.isOpeningBraceToken = isOpeningBraceToken; +exports.isOpeningBracketToken = isOpeningBracketToken; +exports.isOpeningParenToken = isOpeningParenToken; +exports.isParenthesized = isParenthesized; +exports.isSemicolonToken = isSemicolonToken; +//# sourceMappingURL=index.js.map diff --git a/module/node_modules/@eslint-community/eslint-utils/index.js.map b/module/node_modules/@eslint-community/eslint-utils/index.js.map new file mode 100644 index 000000000..72dfccd7b --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/index.js.map @@ -0,0 +1 @@ +{"version":3,"file":"index.js","sources":["src/get-innermost-scope.mjs","src/find-variable.mjs","src/token-predicate.mjs","src/get-function-head-location.mjs","src/get-static-value.mjs","src/get-string-if-constant.mjs","src/get-property-name.mjs","src/get-function-name-with-kind.mjs","src/has-side-effect.mjs","src/is-parenthesized.mjs","src/pattern-matcher.mjs","src/reference-tracker.mjs","src/index.mjs"],"sourcesContent":["/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").Node} Node */\n\n/**\n * Get the innermost scope which contains a given location.\n * @param {Scope} initialScope The initial scope to search.\n * @param {Node} node The location to search.\n * @returns {Scope} The innermost scope.\n */\nexport function getInnermostScope(initialScope, node) {\n const location = /** @type {[number, number]} */ (node.range)[0]\n\n let scope = initialScope\n let found = false\n do {\n found = false\n for (const childScope of scope.childScopes) {\n const range = /** @type {[number, number]} */ (\n childScope.block.range\n )\n\n if (range[0] <= location && location < range[1]) {\n scope = childScope\n found = true\n break\n }\n }\n } while (found)\n\n return scope\n}\n","import { getInnermostScope } from \"./get-innermost-scope.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Find the variable of a given name.\n * @param {Scope} initialScope The scope to start finding.\n * @param {string|Identifier} nameOrNode The variable name to find. If this is a Node object then it should be an Identifier node.\n * @returns {Variable|null} The found variable or null.\n */\nexport function findVariable(initialScope, nameOrNode) {\n let name = \"\"\n /** @type {Scope|null} */\n let scope = initialScope\n\n if (typeof nameOrNode === \"string\") {\n name = nameOrNode\n } else {\n name = nameOrNode.name\n scope = getInnermostScope(scope, nameOrNode)\n }\n\n while (scope != null) {\n const variable = scope.set.get(name)\n if (variable != null) {\n return variable\n }\n scope = scope.upper\n }\n\n return null\n}\n","/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"estree\").Comment} Comment */\n/** @typedef {import(\"./types.mjs\").ArrowToken} ArrowToken */\n/** @typedef {import(\"./types.mjs\").CommaToken} CommaToken */\n/** @typedef {import(\"./types.mjs\").SemicolonToken} SemicolonToken */\n/** @typedef {import(\"./types.mjs\").ColonToken} ColonToken */\n/** @typedef {import(\"./types.mjs\").OpeningParenToken} OpeningParenToken */\n/** @typedef {import(\"./types.mjs\").ClosingParenToken} ClosingParenToken */\n/** @typedef {import(\"./types.mjs\").OpeningBracketToken} OpeningBracketToken */\n/** @typedef {import(\"./types.mjs\").ClosingBracketToken} ClosingBracketToken */\n/** @typedef {import(\"./types.mjs\").OpeningBraceToken} OpeningBraceToken */\n/** @typedef {import(\"./types.mjs\").ClosingBraceToken} ClosingBraceToken */\n/**\n * @template {string} Value\n * @typedef {import(\"./types.mjs\").PunctuatorToken} PunctuatorToken\n */\n\n/** @typedef {Comment | Token} CommentOrToken */\n\n/**\n * Creates the negate function of the given function.\n * @param {function(CommentOrToken):boolean} f - The function to negate.\n * @returns {function(CommentOrToken):boolean} Negated function.\n */\nfunction negate(f) {\n return (token) => !f(token)\n}\n\n/**\n * Checks if the given token is a PunctuatorToken with the given value\n * @template {string} Value\n * @param {CommentOrToken} token - The token to check.\n * @param {Value} value - The value to check.\n * @returns {token is PunctuatorToken} `true` if the token is a PunctuatorToken with the given value.\n */\nfunction isPunctuatorTokenWithValue(token, value) {\n return token.type === \"Punctuator\" && token.value === value\n}\n\n/**\n * Checks if the given token is an arrow token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ArrowToken} `true` if the token is an arrow token.\n */\nexport function isArrowToken(token) {\n return isPunctuatorTokenWithValue(token, \"=>\")\n}\n\n/**\n * Checks if the given token is a comma token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is CommaToken} `true` if the token is a comma token.\n */\nexport function isCommaToken(token) {\n return isPunctuatorTokenWithValue(token, \",\")\n}\n\n/**\n * Checks if the given token is a semicolon token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is SemicolonToken} `true` if the token is a semicolon token.\n */\nexport function isSemicolonToken(token) {\n return isPunctuatorTokenWithValue(token, \";\")\n}\n\n/**\n * Checks if the given token is a colon token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ColonToken} `true` if the token is a colon token.\n */\nexport function isColonToken(token) {\n return isPunctuatorTokenWithValue(token, \":\")\n}\n\n/**\n * Checks if the given token is an opening parenthesis token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningParenToken} `true` if the token is an opening parenthesis token.\n */\nexport function isOpeningParenToken(token) {\n return isPunctuatorTokenWithValue(token, \"(\")\n}\n\n/**\n * Checks if the given token is a closing parenthesis token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingParenToken} `true` if the token is a closing parenthesis token.\n */\nexport function isClosingParenToken(token) {\n return isPunctuatorTokenWithValue(token, \")\")\n}\n\n/**\n * Checks if the given token is an opening square bracket token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningBracketToken} `true` if the token is an opening square bracket token.\n */\nexport function isOpeningBracketToken(token) {\n return isPunctuatorTokenWithValue(token, \"[\")\n}\n\n/**\n * Checks if the given token is a closing square bracket token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingBracketToken} `true` if the token is a closing square bracket token.\n */\nexport function isClosingBracketToken(token) {\n return isPunctuatorTokenWithValue(token, \"]\")\n}\n\n/**\n * Checks if the given token is an opening brace token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningBraceToken} `true` if the token is an opening brace token.\n */\nexport function isOpeningBraceToken(token) {\n return isPunctuatorTokenWithValue(token, \"{\")\n}\n\n/**\n * Checks if the given token is a closing brace token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingBraceToken} `true` if the token is a closing brace token.\n */\nexport function isClosingBraceToken(token) {\n return isPunctuatorTokenWithValue(token, \"}\")\n}\n\n/**\n * Checks if the given token is a comment token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is Comment} `true` if the token is a comment token.\n */\nexport function isCommentToken(token) {\n return [\"Block\", \"Line\", \"Shebang\"].includes(token.type)\n}\n\nexport const isNotArrowToken = negate(isArrowToken)\nexport const isNotCommaToken = negate(isCommaToken)\nexport const isNotSemicolonToken = negate(isSemicolonToken)\nexport const isNotColonToken = negate(isColonToken)\nexport const isNotOpeningParenToken = negate(isOpeningParenToken)\nexport const isNotClosingParenToken = negate(isClosingParenToken)\nexport const isNotOpeningBracketToken = negate(isOpeningBracketToken)\nexport const isNotClosingBracketToken = negate(isClosingBracketToken)\nexport const isNotOpeningBraceToken = negate(isOpeningBraceToken)\nexport const isNotClosingBraceToken = negate(isClosingBraceToken)\nexport const isNotCommentToken = negate(isCommentToken)\n","import { isArrowToken, isOpeningParenToken } from \"./token-predicate.mjs\"\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"estree\").Function} FunctionNode */\n/** @typedef {import(\"estree\").FunctionDeclaration} FunctionDeclaration */\n/** @typedef {import(\"estree\").FunctionExpression} FunctionExpression */\n/** @typedef {import(\"estree\").SourceLocation} SourceLocation */\n/** @typedef {import(\"estree\").Position} Position */\n\n/**\n * Get the `(` token of the given function node.\n * @param {FunctionExpression | FunctionDeclaration} node - The function node to get.\n * @param {SourceCode} sourceCode - The source code object to get tokens.\n * @returns {Token} `(` token.\n */\nfunction getOpeningParenOfParams(node, sourceCode) {\n return node.id\n ? /** @type {Token} */ (\n sourceCode.getTokenAfter(node.id, isOpeningParenToken)\n )\n : /** @type {Token} */ (\n sourceCode.getFirstToken(node, isOpeningParenToken)\n )\n}\n\n/**\n * Get the location of the given function node for reporting.\n * @param {FunctionNode} node - The function node to get.\n * @param {SourceCode} sourceCode - The source code object to get tokens.\n * @returns {SourceLocation|null} The location of the function node for reporting.\n */\nexport function getFunctionHeadLocation(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n\n /** @type {Position|null} */\n let start = null\n /** @type {Position|null} */\n let end = null\n\n if (node.type === \"ArrowFunctionExpression\") {\n const arrowToken = /** @type {Token} */ (\n sourceCode.getTokenBefore(node.body, isArrowToken)\n )\n\n start = arrowToken.loc.start\n end = arrowToken.loc.end\n } else if (\n parent.type === \"Property\" ||\n parent.type === \"MethodDefinition\" ||\n parent.type === \"PropertyDefinition\"\n ) {\n start = /** @type {SourceLocation} */ (parent.loc).start\n end = getOpeningParenOfParams(node, sourceCode).loc.start\n } else {\n start = /** @type {SourceLocation} */ (node.loc).start\n end = getOpeningParenOfParams(node, sourceCode).loc.start\n }\n\n return {\n start: { ...start },\n end: { ...end },\n }\n}\n","/* globals globalThis, global, self, window */\n\nimport { findVariable } from \"./find-variable.mjs\"\n/** @typedef {import(\"./types.mjs\").StaticValue} StaticValue */\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Node} TSESTreeNode */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.AST_NODE_TYPES} TSESTreeNodeTypes */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.MemberExpression} MemberExpression */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Property} Property */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.RegExpLiteral} RegExpLiteral */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.BigIntLiteral} BigIntLiteral */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Literal} Literal */\n\nconst globalObject =\n typeof globalThis !== \"undefined\"\n ? globalThis\n : // @ts-ignore\n typeof self !== \"undefined\"\n ? // @ts-ignore\n self\n : // @ts-ignore\n typeof window !== \"undefined\"\n ? // @ts-ignore\n window\n : typeof global !== \"undefined\"\n ? global\n : {}\n\nconst builtinNames = Object.freeze(\n new Set([\n \"Array\",\n \"ArrayBuffer\",\n \"BigInt\",\n \"BigInt64Array\",\n \"BigUint64Array\",\n \"Boolean\",\n \"DataView\",\n \"Date\",\n \"decodeURI\",\n \"decodeURIComponent\",\n \"encodeURI\",\n \"encodeURIComponent\",\n \"escape\",\n \"Float32Array\",\n \"Float64Array\",\n \"Function\",\n \"Infinity\",\n \"Int16Array\",\n \"Int32Array\",\n \"Int8Array\",\n \"isFinite\",\n \"isNaN\",\n \"isPrototypeOf\",\n \"JSON\",\n \"Map\",\n \"Math\",\n \"NaN\",\n \"Number\",\n \"Object\",\n \"parseFloat\",\n \"parseInt\",\n \"Promise\",\n \"Proxy\",\n \"Reflect\",\n \"RegExp\",\n \"Set\",\n \"String\",\n \"Symbol\",\n \"Uint16Array\",\n \"Uint32Array\",\n \"Uint8Array\",\n \"Uint8ClampedArray\",\n \"undefined\",\n \"unescape\",\n \"WeakMap\",\n \"WeakSet\",\n ]),\n)\nconst callAllowed = new Set(\n [\n Array.isArray,\n Array.of,\n Array.prototype.at,\n Array.prototype.concat,\n Array.prototype.entries,\n Array.prototype.every,\n Array.prototype.filter,\n Array.prototype.find,\n Array.prototype.findIndex,\n Array.prototype.flat,\n Array.prototype.includes,\n Array.prototype.indexOf,\n Array.prototype.join,\n Array.prototype.keys,\n Array.prototype.lastIndexOf,\n Array.prototype.slice,\n Array.prototype.some,\n Array.prototype.toString,\n Array.prototype.values,\n typeof BigInt === \"function\" ? BigInt : undefined,\n Boolean,\n Date,\n Date.parse,\n decodeURI,\n decodeURIComponent,\n encodeURI,\n encodeURIComponent,\n escape,\n isFinite,\n isNaN,\n // @ts-ignore\n isPrototypeOf,\n Map,\n Map.prototype.entries,\n Map.prototype.get,\n Map.prototype.has,\n Map.prototype.keys,\n Map.prototype.values,\n .../** @type {(keyof typeof Math)[]} */ (\n Object.getOwnPropertyNames(Math)\n )\n .filter((k) => k !== \"random\")\n .map((k) => Math[k])\n .filter((f) => typeof f === \"function\"),\n Number,\n Number.isFinite,\n Number.isNaN,\n Number.parseFloat,\n Number.parseInt,\n Number.prototype.toExponential,\n Number.prototype.toFixed,\n Number.prototype.toPrecision,\n Number.prototype.toString,\n Object,\n Object.entries,\n Object.is,\n Object.isExtensible,\n Object.isFrozen,\n Object.isSealed,\n Object.keys,\n Object.values,\n parseFloat,\n parseInt,\n RegExp,\n Set,\n Set.prototype.entries,\n Set.prototype.has,\n Set.prototype.keys,\n Set.prototype.values,\n String,\n String.fromCharCode,\n String.fromCodePoint,\n String.raw,\n String.prototype.at,\n String.prototype.charAt,\n String.prototype.charCodeAt,\n String.prototype.codePointAt,\n String.prototype.concat,\n String.prototype.endsWith,\n String.prototype.includes,\n String.prototype.indexOf,\n String.prototype.lastIndexOf,\n String.prototype.normalize,\n String.prototype.padEnd,\n String.prototype.padStart,\n String.prototype.slice,\n String.prototype.startsWith,\n String.prototype.substr,\n String.prototype.substring,\n String.prototype.toLowerCase,\n String.prototype.toString,\n String.prototype.toUpperCase,\n String.prototype.trim,\n String.prototype.trimEnd,\n String.prototype.trimLeft,\n String.prototype.trimRight,\n String.prototype.trimStart,\n Symbol.for,\n Symbol.keyFor,\n unescape,\n ].filter((f) => typeof f === \"function\"),\n)\nconst callPassThrough = new Set([\n Object.freeze,\n Object.preventExtensions,\n Object.seal,\n])\n\n/** @type {ReadonlyArray]>} */\nconst getterAllowed = [\n [Map, new Set([\"size\"])],\n [\n RegExp,\n new Set([\n \"dotAll\",\n \"flags\",\n \"global\",\n \"hasIndices\",\n \"ignoreCase\",\n \"multiline\",\n \"source\",\n \"sticky\",\n \"unicode\",\n ]),\n ],\n [Set, new Set([\"size\"])],\n]\n\n/**\n * Get the property descriptor.\n * @param {object} object The object to get.\n * @param {string|number|symbol} name The property name to get.\n */\nfunction getPropertyDescriptor(object, name) {\n let x = object\n while ((typeof x === \"object\" || typeof x === \"function\") && x !== null) {\n const d = Object.getOwnPropertyDescriptor(x, name)\n if (d) {\n return d\n }\n x = Object.getPrototypeOf(x)\n }\n return null\n}\n\n/**\n * Check if a property is getter or not.\n * @param {object} object The object to check.\n * @param {string|number|symbol} name The property name to check.\n */\nfunction isGetter(object, name) {\n const d = getPropertyDescriptor(object, name)\n return d != null && d.get != null\n}\n\n/**\n * Get the element values of a given node list.\n * @param {(Node|TSESTreeNode|null)[]} nodeList The node list to get values.\n * @param {Scope|undefined|null} initialScope The initial scope to find variables.\n * @returns {any[]|null} The value list if all nodes are constant. Otherwise, null.\n */\nfunction getElementValues(nodeList, initialScope) {\n const valueList = []\n\n for (let i = 0; i < nodeList.length; ++i) {\n const elementNode = nodeList[i]\n\n if (elementNode == null) {\n valueList.length = i + 1\n } else if (elementNode.type === \"SpreadElement\") {\n const argument = getStaticValueR(elementNode.argument, initialScope)\n if (argument == null) {\n return null\n }\n valueList.push(.../** @type {Iterable} */ (argument.value))\n } else {\n const element = getStaticValueR(elementNode, initialScope)\n if (element == null) {\n return null\n }\n valueList.push(element.value)\n }\n }\n\n return valueList\n}\n\n/**\n * Checks if a variable is a built-in global.\n * @param {Variable|null} variable The variable to check.\n * @returns {variable is Variable & {defs:[]}}\n */\nfunction isBuiltinGlobal(variable) {\n return (\n variable != null &&\n variable.defs.length === 0 &&\n builtinNames.has(variable.name) &&\n variable.name in globalObject\n )\n}\n\n/**\n * Checks if a variable can be considered as a constant.\n * @param {Variable} variable\n * @returns {variable is Variable & {defs: [import(\"eslint\").Scope.Definition & { type: \"Variable\" }]}} True if the variable can be considered as a constant.\n */\nfunction canBeConsideredConst(variable) {\n if (variable.defs.length !== 1) {\n return false\n }\n const def = variable.defs[0]\n return Boolean(\n def.parent &&\n def.type === \"Variable\" &&\n (def.parent.kind === \"const\" || isEffectivelyConst(variable)),\n )\n}\n\n/**\n * Returns whether the given variable is never written to after initialization.\n * @param {Variable} variable\n * @returns {boolean}\n */\nfunction isEffectivelyConst(variable) {\n const refs = variable.references\n\n const inits = refs.filter((r) => r.init).length\n const reads = refs.filter((r) => r.isReadOnly()).length\n if (inits === 1 && reads + inits === refs.length) {\n // there is only one init and all other references only read\n return true\n }\n return false\n}\n\n/**\n * Checks if a variable has mutation in its property.\n * @param {Variable} variable The variable to check.\n * @param {Scope|null} initialScope The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {boolean} True if the variable has mutation in its property.\n */\nfunction hasMutationInProperty(variable, initialScope) {\n for (const ref of variable.references) {\n let node = /** @type {TSESTreeNode} */ (ref.identifier)\n while (node && node.parent && node.parent.type === \"MemberExpression\") {\n node = node.parent\n }\n if (!node || !node.parent) {\n continue\n }\n if (\n (node.parent.type === \"AssignmentExpression\" &&\n node.parent.left === node) ||\n (node.parent.type === \"UpdateExpression\" &&\n node.parent.argument === node)\n ) {\n // This is a mutation.\n return true\n }\n if (\n node.parent.type === \"CallExpression\" &&\n node.parent.callee === node &&\n node.type === \"MemberExpression\"\n ) {\n const methodName = getStaticPropertyNameValue(node, initialScope)\n if (isNameOfMutationArrayMethod(methodName)) {\n // This is a mutation.\n return true\n }\n }\n }\n return false\n\n /**\n * Checks if a method name is one of the mutation array methods.\n * @param {StaticValue|null} methodName The method name to check.\n * @returns {boolean} True if the method name is a mutation array method.\n */\n function isNameOfMutationArrayMethod(methodName) {\n if (methodName == null || methodName.value == null) {\n return false\n }\n const name = methodName.value\n return (\n name === \"copyWithin\" ||\n name === \"fill\" ||\n name === \"pop\" ||\n name === \"push\" ||\n name === \"reverse\" ||\n name === \"shift\" ||\n name === \"sort\" ||\n name === \"splice\" ||\n name === \"unshift\"\n )\n }\n}\n\n/**\n * @template {TSESTreeNodeTypes} T\n * @callback VisitorCallback\n * @param {TSESTreeNode & { type: T }} node\n * @param {Scope|undefined|null} initialScope\n * @returns {StaticValue | null}\n */\n/**\n * @typedef { { [K in TSESTreeNodeTypes]?: VisitorCallback } } Operations\n */\n/**\n * @type {Operations}\n */\nconst operations = Object.freeze({\n ArrayExpression(node, initialScope) {\n const elements = getElementValues(node.elements, initialScope)\n return elements != null ? { value: elements } : null\n },\n\n AssignmentExpression(node, initialScope) {\n if (node.operator === \"=\") {\n return getStaticValueR(node.right, initialScope)\n }\n return null\n },\n\n //eslint-disable-next-line complexity\n BinaryExpression(node, initialScope) {\n if (node.operator === \"in\" || node.operator === \"instanceof\") {\n // Not supported.\n return null\n }\n\n const left = getStaticValueR(node.left, initialScope)\n const right = getStaticValueR(node.right, initialScope)\n if (left != null && right != null) {\n switch (node.operator) {\n case \"==\":\n return { value: left.value == right.value } //eslint-disable-line eqeqeq\n case \"!=\":\n return { value: left.value != right.value } //eslint-disable-line eqeqeq\n case \"===\":\n return { value: left.value === right.value }\n case \"!==\":\n return { value: left.value !== right.value }\n case \"<\":\n return {\n value:\n /** @type {any} */ (left.value) <\n /** @type {any} */ (right.value),\n }\n case \"<=\":\n return {\n value:\n /** @type {any} */ (left.value) <=\n /** @type {any} */ (right.value),\n }\n case \">\":\n return {\n value:\n /** @type {any} */ (left.value) >\n /** @type {any} */ (right.value),\n }\n case \">=\":\n return {\n value:\n /** @type {any} */ (left.value) >=\n /** @type {any} */ (right.value),\n }\n case \"<<\":\n return {\n value:\n /** @type {any} */ (left.value) <<\n /** @type {any} */ (right.value),\n }\n case \">>\":\n return {\n value:\n /** @type {any} */ (left.value) >>\n /** @type {any} */ (right.value),\n }\n case \">>>\":\n return {\n value:\n /** @type {any} */ (left.value) >>>\n /** @type {any} */ (right.value),\n }\n case \"+\":\n return {\n value:\n /** @type {any} */ (left.value) +\n /** @type {any} */ (right.value),\n }\n case \"-\":\n return {\n value:\n /** @type {any} */ (left.value) -\n /** @type {any} */ (right.value),\n }\n case \"*\":\n return {\n value:\n /** @type {any} */ (left.value) *\n /** @type {any} */ (right.value),\n }\n case \"/\":\n return {\n value:\n /** @type {any} */ (left.value) /\n /** @type {any} */ (right.value),\n }\n case \"%\":\n return {\n value:\n /** @type {any} */ (left.value) %\n /** @type {any} */ (right.value),\n }\n case \"**\":\n return {\n value:\n /** @type {any} */ (left.value) **\n /** @type {any} */ (right.value),\n }\n case \"|\":\n return {\n value:\n /** @type {any} */ (left.value) |\n /** @type {any} */ (right.value),\n }\n case \"^\":\n return {\n value:\n /** @type {any} */ (left.value) ^\n /** @type {any} */ (right.value),\n }\n case \"&\":\n return {\n value:\n /** @type {any} */ (left.value) &\n /** @type {any} */ (right.value),\n }\n\n // no default\n }\n }\n\n return null\n },\n\n CallExpression(node, initialScope) {\n const calleeNode = node.callee\n const args = getElementValues(node.arguments, initialScope)\n\n if (args != null) {\n if (calleeNode.type === \"MemberExpression\") {\n if (calleeNode.property.type === \"PrivateIdentifier\") {\n return null\n }\n const object = getStaticValueR(calleeNode.object, initialScope)\n if (object != null) {\n if (\n object.value == null &&\n (object.optional || node.optional)\n ) {\n return { value: undefined, optional: true }\n }\n const property = getStaticPropertyNameValue(\n calleeNode,\n initialScope,\n )\n\n if (property != null) {\n const receiver =\n /** @type {Record any>} */ (\n object.value\n )\n const methodName = /** @type {PropertyKey} */ (\n property.value\n )\n if (callAllowed.has(receiver[methodName])) {\n return {\n value: receiver[methodName](...args),\n }\n }\n if (callPassThrough.has(receiver[methodName])) {\n return { value: args[0] }\n }\n }\n }\n } else {\n const callee = getStaticValueR(calleeNode, initialScope)\n if (callee != null) {\n if (callee.value == null && node.optional) {\n return { value: undefined, optional: true }\n }\n const func = /** @type {(...args: any[]) => any} */ (\n callee.value\n )\n if (callAllowed.has(func)) {\n return { value: func(...args) }\n }\n if (callPassThrough.has(func)) {\n return { value: args[0] }\n }\n }\n }\n }\n\n return null\n },\n\n ConditionalExpression(node, initialScope) {\n const test = getStaticValueR(node.test, initialScope)\n if (test != null) {\n return test.value\n ? getStaticValueR(node.consequent, initialScope)\n : getStaticValueR(node.alternate, initialScope)\n }\n return null\n },\n\n ExpressionStatement(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n\n Identifier(node, initialScope) {\n if (initialScope != null) {\n const variable = findVariable(initialScope, node)\n\n if (variable != null) {\n // Built-in globals.\n if (isBuiltinGlobal(variable)) {\n return { value: globalObject[variable.name] }\n }\n\n // Constants.\n if (canBeConsideredConst(variable)) {\n const def = variable.defs[0]\n if (\n // TODO(mysticatea): don't support destructuring here.\n def.node.id.type === \"Identifier\"\n ) {\n const init = getStaticValueR(\n def.node.init,\n initialScope,\n )\n if (\n init &&\n typeof init.value === \"object\" &&\n init.value !== null\n ) {\n if (hasMutationInProperty(variable, initialScope)) {\n // This variable has mutation in its property.\n return null\n }\n }\n return init\n }\n }\n }\n }\n return null\n },\n\n Literal(node) {\n const literal =\n /** @type {Partial & Partial & Partial} */ (\n node\n )\n //istanbul ignore if : this is implementation-specific behavior.\n if (\n (literal.regex != null || literal.bigint != null) &&\n literal.value == null\n ) {\n // It was a RegExp/BigInt literal, but Node.js didn't support it.\n return null\n }\n return { value: literal.value }\n },\n\n LogicalExpression(node, initialScope) {\n const left = getStaticValueR(node.left, initialScope)\n if (left != null) {\n if (\n (node.operator === \"||\" && Boolean(left.value) === true) ||\n (node.operator === \"&&\" && Boolean(left.value) === false) ||\n (node.operator === \"??\" && left.value != null)\n ) {\n return left\n }\n\n const right = getStaticValueR(node.right, initialScope)\n if (right != null) {\n return right\n }\n }\n\n return null\n },\n\n MemberExpression(node, initialScope) {\n if (node.property.type === \"PrivateIdentifier\") {\n return null\n }\n const object = getStaticValueR(node.object, initialScope)\n if (object != null) {\n if (object.value == null && (object.optional || node.optional)) {\n return { value: undefined, optional: true }\n }\n const property = getStaticPropertyNameValue(node, initialScope)\n\n if (property != null) {\n if (\n !isGetter(\n /** @type {object} */ (object.value),\n /** @type {PropertyKey} */ (property.value),\n )\n ) {\n return {\n value: /** @type {Record} */ (\n object.value\n )[/** @type {PropertyKey} */ (property.value)],\n }\n }\n\n for (const [classFn, allowed] of getterAllowed) {\n if (\n object.value instanceof classFn &&\n allowed.has(/** @type {string} */ (property.value))\n ) {\n return {\n value: /** @type {Record} */ (\n object.value\n )[/** @type {PropertyKey} */ (property.value)],\n }\n }\n }\n }\n }\n return null\n },\n\n ChainExpression(node, initialScope) {\n const expression = getStaticValueR(node.expression, initialScope)\n if (expression != null) {\n return { value: expression.value }\n }\n return null\n },\n\n NewExpression(node, initialScope) {\n const callee = getStaticValueR(node.callee, initialScope)\n const args = getElementValues(node.arguments, initialScope)\n\n if (callee != null && args != null) {\n const Func = /** @type {new (...args: any[]) => any} */ (\n callee.value\n )\n if (callAllowed.has(Func)) {\n return { value: new Func(...args) }\n }\n }\n\n return null\n },\n\n ObjectExpression(node, initialScope) {\n /** @type {Record} */\n const object = {}\n\n for (const propertyNode of node.properties) {\n if (propertyNode.type === \"Property\") {\n if (propertyNode.kind !== \"init\") {\n return null\n }\n const key = getStaticPropertyNameValue(\n propertyNode,\n initialScope,\n )\n const value = getStaticValueR(propertyNode.value, initialScope)\n if (key == null || value == null) {\n return null\n }\n object[/** @type {PropertyKey} */ (key.value)] = value.value\n } else if (\n propertyNode.type === \"SpreadElement\" ||\n // @ts-expect-error -- Backward compatibility\n propertyNode.type === \"ExperimentalSpreadProperty\"\n ) {\n const argument = getStaticValueR(\n propertyNode.argument,\n initialScope,\n )\n if (argument == null) {\n return null\n }\n Object.assign(object, argument.value)\n } else {\n return null\n }\n }\n\n return { value: object }\n },\n\n SequenceExpression(node, initialScope) {\n const last = node.expressions[node.expressions.length - 1]\n return getStaticValueR(last, initialScope)\n },\n\n TaggedTemplateExpression(node, initialScope) {\n const tag = getStaticValueR(node.tag, initialScope)\n const expressions = getElementValues(\n node.quasi.expressions,\n initialScope,\n )\n\n if (tag != null && expressions != null) {\n const func = /** @type {(...args: any[]) => any} */ (tag.value)\n /** @type {any[] & { raw?: string[] }} */\n const strings = node.quasi.quasis.map((q) => q.value.cooked)\n strings.raw = node.quasi.quasis.map((q) => q.value.raw)\n\n if (func === String.raw) {\n return { value: func(strings, ...expressions) }\n }\n }\n\n return null\n },\n\n TemplateLiteral(node, initialScope) {\n const expressions = getElementValues(node.expressions, initialScope)\n if (expressions != null) {\n let value = node.quasis[0].value.cooked\n for (let i = 0; i < expressions.length; ++i) {\n value += expressions[i]\n value += /** @type {string} */ (node.quasis[i + 1].value.cooked)\n }\n return { value }\n }\n return null\n },\n\n UnaryExpression(node, initialScope) {\n if (node.operator === \"delete\") {\n // Not supported.\n return null\n }\n if (node.operator === \"void\") {\n return { value: undefined }\n }\n\n const arg = getStaticValueR(node.argument, initialScope)\n if (arg != null) {\n switch (node.operator) {\n case \"-\":\n return { value: -(/** @type {any} */ (arg.value)) }\n case \"+\":\n return { value: +(/** @type {any} */ (arg.value)) } //eslint-disable-line no-implicit-coercion\n case \"!\":\n return { value: !arg.value }\n case \"~\":\n return { value: ~(/** @type {any} */ (arg.value)) }\n case \"typeof\":\n return { value: typeof arg.value }\n\n // no default\n }\n }\n\n return null\n },\n TSAsExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSSatisfiesExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSTypeAssertion(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSNonNullExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSInstantiationExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n})\n\n/**\n * Get the value of a given node if it's a static value.\n * @param {Node|TSESTreeNode|null|undefined} node The node to get.\n * @param {Scope|undefined|null} initialScope The scope to start finding variable.\n * @returns {StaticValue|null} The static value of the node, or `null`.\n */\nfunction getStaticValueR(node, initialScope) {\n if (node != null && Object.hasOwnProperty.call(operations, node.type)) {\n return /** @type {VisitorCallback} */ (operations[node.type])(\n /** @type {TSESTreeNode} */ (node),\n initialScope,\n )\n }\n return null\n}\n\n/**\n * Get the static value of property name from a MemberExpression node or a Property node.\n * @param {MemberExpression|Property} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {StaticValue|null} The static value of the property name of the node, or `null`.\n */\nfunction getStaticPropertyNameValue(node, initialScope) {\n const nameNode = node.type === \"Property\" ? node.key : node.property\n\n if (node.computed) {\n return getStaticValueR(nameNode, initialScope)\n }\n\n if (nameNode.type === \"Identifier\") {\n return { value: nameNode.name }\n }\n\n if (nameNode.type === \"Literal\") {\n if (/** @type {Partial} */ (nameNode).bigint) {\n return { value: /** @type {BigIntLiteral} */ (nameNode).bigint }\n }\n return { value: String(nameNode.value) }\n }\n\n return null\n}\n\n/**\n * Get the value of a given node if it's a static value.\n * @param {Node} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If this scope was given, this tries to resolve identifier references which are in the given node as much as possible.\n * @returns {StaticValue | null} The static value of the node, or `null`.\n */\nexport function getStaticValue(node, initialScope = null) {\n try {\n return getStaticValueR(node, initialScope)\n } catch (_error) {\n return null\n }\n}\n","import { getStaticValue } from \"./get-static-value.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"estree\").RegExpLiteral} RegExpLiteral */\n/** @typedef {import(\"estree\").BigIntLiteral} BigIntLiteral */\n/** @typedef {import(\"estree\").SimpleLiteral} SimpleLiteral */\n\n/**\n * Get the value of a given node if it's a literal or a template literal.\n * @param {Node} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is an Identifier node and this scope was given, this checks the variable of the identifier, and returns the value of it if the variable is a constant.\n * @returns {string|null} The value of the node, or `null`.\n */\nexport function getStringIfConstant(node, initialScope = null) {\n // Handle the literals that the platform doesn't support natively.\n if (node && node.type === \"Literal\" && node.value === null) {\n const literal =\n /** @type {Partial & Partial & Partial} */ (\n node\n )\n if (literal.regex) {\n return `/${literal.regex.pattern}/${literal.regex.flags}`\n }\n if (literal.bigint) {\n return literal.bigint\n }\n }\n\n const evaluated = getStaticValue(node, initialScope)\n\n if (evaluated) {\n // `String(Symbol.prototype)` throws error\n try {\n return String(evaluated.value)\n } catch {\n // No op\n }\n }\n\n return null\n}\n","import { getStringIfConstant } from \"./get-string-if-constant.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").MemberExpression} MemberExpression */\n/** @typedef {import(\"estree\").MethodDefinition} MethodDefinition */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").PropertyDefinition} PropertyDefinition */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Get the property name from a MemberExpression node or a Property node.\n * @param {MemberExpression | MethodDefinition | Property | PropertyDefinition} node The node to get.\n * @param {Scope} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {string|null|undefined} The property name of the node.\n */\nexport function getPropertyName(node, initialScope) {\n switch (node.type) {\n case \"MemberExpression\":\n if (node.computed) {\n return getStringIfConstant(node.property, initialScope)\n }\n if (node.property.type === \"PrivateIdentifier\") {\n return null\n }\n return /** @type {Partial} */ (node.property).name\n\n case \"Property\":\n case \"MethodDefinition\":\n case \"PropertyDefinition\":\n if (node.computed) {\n return getStringIfConstant(node.key, initialScope)\n }\n if (node.key.type === \"Literal\") {\n return String(node.key.value)\n }\n if (node.key.type === \"PrivateIdentifier\") {\n return null\n }\n return /** @type {Partial} */ (node.key).name\n\n default:\n break\n }\n\n return null\n}\n","import { getPropertyName } from \"./get-property-name.mjs\"\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"estree\").Function} FunctionNode */\n/** @typedef {import(\"estree\").FunctionDeclaration} FunctionDeclaration */\n/** @typedef {import(\"estree\").FunctionExpression} FunctionExpression */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Get the name and kind of the given function node.\n * @param {FunctionNode} node - The function node to get.\n * @param {SourceCode} [sourceCode] The source code object to get the code of computed property keys.\n * @returns {string} The name and kind of the function node.\n */\n// eslint-disable-next-line complexity\nexport function getFunctionNameWithKind(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n const tokens = []\n const isObjectMethod = parent.type === \"Property\" && parent.value === node\n const isClassMethod =\n parent.type === \"MethodDefinition\" && parent.value === node\n const isClassFieldMethod =\n parent.type === \"PropertyDefinition\" && parent.value === node\n\n // Modifiers.\n if (isClassMethod || isClassFieldMethod) {\n if (parent.static) {\n tokens.push(\"static\")\n }\n if (parent.key.type === \"PrivateIdentifier\") {\n tokens.push(\"private\")\n }\n }\n if (node.async) {\n tokens.push(\"async\")\n }\n if (node.generator) {\n tokens.push(\"generator\")\n }\n\n // Kinds.\n if (isObjectMethod || isClassMethod) {\n if (parent.kind === \"constructor\") {\n return \"constructor\"\n }\n if (parent.kind === \"get\") {\n tokens.push(\"getter\")\n } else if (parent.kind === \"set\") {\n tokens.push(\"setter\")\n } else {\n tokens.push(\"method\")\n }\n } else if (isClassFieldMethod) {\n tokens.push(\"method\")\n } else {\n if (node.type === \"ArrowFunctionExpression\") {\n tokens.push(\"arrow\")\n }\n tokens.push(\"function\")\n }\n\n // Names.\n if (isObjectMethod || isClassMethod || isClassFieldMethod) {\n if (parent.key.type === \"PrivateIdentifier\") {\n tokens.push(`#${parent.key.name}`)\n } else {\n const name = getPropertyName(parent)\n if (name) {\n tokens.push(`'${name}'`)\n } else if (sourceCode) {\n const keyText = sourceCode.getText(parent.key)\n if (!keyText.includes(\"\\n\")) {\n tokens.push(`[${keyText}]`)\n }\n }\n }\n } else if (hasId(node)) {\n tokens.push(`'${node.id.name}'`)\n } else if (\n parent.type === \"VariableDeclarator\" &&\n parent.id &&\n parent.id.type === \"Identifier\"\n ) {\n tokens.push(`'${parent.id.name}'`)\n } else if (\n (parent.type === \"AssignmentExpression\" ||\n parent.type === \"AssignmentPattern\") &&\n parent.left &&\n parent.left.type === \"Identifier\"\n ) {\n tokens.push(`'${parent.left.name}'`)\n } else if (\n parent.type === \"ExportDefaultDeclaration\" &&\n parent.declaration === node\n ) {\n tokens.push(\"'default'\")\n }\n\n return tokens.join(\" \")\n}\n\n/**\n * @param {FunctionNode} node\n * @returns {node is FunctionDeclaration | FunctionExpression & { id: Identifier }}\n */\nfunction hasId(node) {\n return Boolean(\n /** @type {Partial} */ (node)\n .id,\n )\n}\n","import { getKeys, KEYS } from \"eslint-visitor-keys\"\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"./types.mjs\").HasSideEffectOptions} HasSideEffectOptions */\n/** @typedef {import(\"estree\").BinaryExpression} BinaryExpression */\n/** @typedef {import(\"estree\").MemberExpression} MemberExpression */\n/** @typedef {import(\"estree\").MethodDefinition} MethodDefinition */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").PropertyDefinition} PropertyDefinition */\n/** @typedef {import(\"estree\").UnaryExpression} UnaryExpression */\n\nconst typeConversionBinaryOps = Object.freeze(\n new Set([\n \"==\",\n \"!=\",\n \"<\",\n \"<=\",\n \">\",\n \">=\",\n \"<<\",\n \">>\",\n \">>>\",\n \"+\",\n \"-\",\n \"*\",\n \"/\",\n \"%\",\n \"|\",\n \"^\",\n \"&\",\n \"in\",\n ]),\n)\nconst typeConversionUnaryOps = Object.freeze(new Set([\"-\", \"+\", \"!\", \"~\"]))\n\n/**\n * Check whether the given value is an ASTNode or not.\n * @param {any} x The value to check.\n * @returns {x is Node} `true` if the value is an ASTNode.\n */\nfunction isNode(x) {\n return x !== null && typeof x === \"object\" && typeof x.type === \"string\"\n}\n\nconst visitor = Object.freeze(\n Object.assign(Object.create(null), {\n /**\n * @param {Node} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n $visit(node, options, visitorKeys) {\n const { type } = node\n\n if (typeof (/** @type {any} */ (this)[type]) === \"function\") {\n return /** @type {any} */ (this)[type](\n node,\n options,\n visitorKeys,\n )\n }\n\n return this.$visitChildren(node, options, visitorKeys)\n },\n\n /**\n * @param {Node} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n $visitChildren(node, options, visitorKeys) {\n const { type } = node\n\n for (const key of /** @type {(keyof Node)[]} */ (\n visitorKeys[type] || getKeys(node)\n )) {\n const value = node[key]\n\n if (Array.isArray(value)) {\n for (const element of value) {\n if (\n isNode(element) &&\n this.$visit(element, options, visitorKeys)\n ) {\n return true\n }\n }\n } else if (\n isNode(value) &&\n this.$visit(value, options, visitorKeys)\n ) {\n return true\n }\n }\n\n return false\n },\n\n ArrowFunctionExpression() {\n return false\n },\n AssignmentExpression() {\n return true\n },\n AwaitExpression() {\n return true\n },\n /**\n * @param {BinaryExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n BinaryExpression(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n typeConversionBinaryOps.has(node.operator) &&\n (node.left.type !== \"Literal\" || node.right.type !== \"Literal\")\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n CallExpression() {\n return true\n },\n FunctionExpression() {\n return false\n },\n ImportExpression() {\n return true\n },\n /**\n * @param {MemberExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n MemberExpression(node, options, visitorKeys) {\n if (options.considerGetters) {\n return true\n }\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.property.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {MethodDefinition} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n MethodDefinition(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n NewExpression() {\n return true\n },\n /**\n * @param {Property} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n Property(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {PropertyDefinition} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n PropertyDefinition(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {UnaryExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n UnaryExpression(node, options, visitorKeys) {\n if (node.operator === \"delete\") {\n return true\n }\n if (\n options.considerImplicitTypeConversion &&\n typeConversionUnaryOps.has(node.operator) &&\n node.argument.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n UpdateExpression() {\n return true\n },\n YieldExpression() {\n return true\n },\n }),\n)\n\n/**\n * Check whether a given node has any side effect or not.\n * @param {Node} node The node to get.\n * @param {SourceCode} sourceCode The source code object.\n * @param {HasSideEffectOptions} [options] The option object.\n * @returns {boolean} `true` if the node has a certain side effect.\n */\nexport function hasSideEffect(node, sourceCode, options = {}) {\n const { considerGetters = false, considerImplicitTypeConversion = false } =\n options\n return visitor.$visit(\n node,\n { considerGetters, considerImplicitTypeConversion },\n sourceCode.visitorKeys || KEYS,\n )\n}\n","import { isClosingParenToken, isOpeningParenToken } from \"./token-predicate.mjs\"\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.NewExpression} TSNewExpression */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.CallExpression} TSCallExpression */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n\n/**\n * Get the left parenthesis of the parent node syntax if it exists.\n * E.g., `if (a) {}` then the `(`.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {Token|null} The left parenthesis of the parent node syntax\n */\n// eslint-disable-next-line complexity\nfunction getParentSyntaxParen(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n\n switch (parent.type) {\n case \"CallExpression\":\n case \"NewExpression\":\n if (parent.arguments.length === 1 && parent.arguments[0] === node) {\n return sourceCode.getTokenAfter(\n // @ts-expect-error https://github.com/typescript-eslint/typescript-eslint/pull/5384\n parent.typeArguments ||\n /** @type {RuleNode} */ (\n /** @type {unknown} */ (\n /** @type {TSNewExpression | TSCallExpression} */ (\n parent\n ).typeParameters\n )\n ) ||\n parent.callee,\n isOpeningParenToken,\n )\n }\n return null\n\n case \"DoWhileStatement\":\n if (parent.test === node) {\n return sourceCode.getTokenAfter(\n parent.body,\n isOpeningParenToken,\n )\n }\n return null\n\n case \"IfStatement\":\n case \"WhileStatement\":\n if (parent.test === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"ImportExpression\":\n if (parent.source === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"SwitchStatement\":\n if (parent.discriminant === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"WithStatement\":\n if (parent.object === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n default:\n return null\n }\n}\n\n/**\n * Check whether a given node is parenthesized or not.\n * @param {number} times The number of parantheses.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {boolean} `true` if the node is parenthesized the given times.\n */\n/**\n * Check whether a given node is parenthesized or not.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {boolean} `true` if the node is parenthesized.\n */\n/**\n * Check whether a given node is parenthesized or not.\n * @param {Node|number} timesOrNode The first parameter.\n * @param {Node|SourceCode} nodeOrSourceCode The second parameter.\n * @param {SourceCode} [optionalSourceCode] The third parameter.\n * @returns {boolean} `true` if the node is parenthesized.\n */\nexport function isParenthesized(\n timesOrNode,\n nodeOrSourceCode,\n optionalSourceCode,\n) {\n /** @type {number} */\n let times,\n /** @type {RuleNode} */\n node,\n /** @type {SourceCode} */\n sourceCode,\n maybeLeftParen,\n maybeRightParen\n if (typeof timesOrNode === \"number\") {\n times = timesOrNode | 0\n node = /** @type {RuleNode} */ (nodeOrSourceCode)\n sourceCode = /** @type {SourceCode} */ (optionalSourceCode)\n if (!(times >= 1)) {\n throw new TypeError(\"'times' should be a positive integer.\")\n }\n } else {\n times = 1\n node = /** @type {RuleNode} */ (timesOrNode)\n sourceCode = /** @type {SourceCode} */ (nodeOrSourceCode)\n }\n\n if (\n node == null ||\n // `Program` can't be parenthesized\n node.parent == null ||\n // `CatchClause.param` can't be parenthesized, example `try {} catch (error) {}`\n (node.parent.type === \"CatchClause\" && node.parent.param === node)\n ) {\n return false\n }\n\n maybeLeftParen = maybeRightParen = node\n do {\n maybeLeftParen = sourceCode.getTokenBefore(maybeLeftParen)\n maybeRightParen = sourceCode.getTokenAfter(maybeRightParen)\n } while (\n maybeLeftParen != null &&\n maybeRightParen != null &&\n isOpeningParenToken(maybeLeftParen) &&\n isClosingParenToken(maybeRightParen) &&\n // Avoid false positive such as `if (a) {}`\n maybeLeftParen !== getParentSyntaxParen(node, sourceCode) &&\n --times > 0\n )\n\n return times === 0\n}\n","/**\n * @author Toru Nagashima \n * See LICENSE file in root directory for full license.\n */\n\nconst placeholder = /\\$(?:[$&`']|[1-9][0-9]?)/gu\n\n/** @type {WeakMap} */\nconst internal = new WeakMap()\n\n/**\n * Check whether a given character is escaped or not.\n * @param {string} str The string to check.\n * @param {number} index The location of the character to check.\n * @returns {boolean} `true` if the character is escaped.\n */\nfunction isEscaped(str, index) {\n let escaped = false\n for (let i = index - 1; i >= 0 && str.charCodeAt(i) === 0x5c; --i) {\n escaped = !escaped\n }\n return escaped\n}\n\n/**\n * Replace a given string by a given matcher.\n * @param {PatternMatcher} matcher The pattern matcher.\n * @param {string} str The string to be replaced.\n * @param {string} replacement The new substring to replace each matched part.\n * @returns {string} The replaced string.\n */\nfunction replaceS(matcher, str, replacement) {\n const chunks = []\n let index = 0\n\n /**\n * @param {string} key The placeholder.\n * @param {RegExpExecArray} match The matched information.\n * @returns {string} The replaced string.\n */\n function replacer(key, match) {\n switch (key) {\n case \"$$\":\n return \"$\"\n case \"$&\":\n return match[0]\n case \"$`\":\n return str.slice(0, match.index)\n case \"$'\":\n return str.slice(match.index + match[0].length)\n default: {\n const i = key.slice(1)\n if (i in match) {\n return match[/** @type {any} */ (i)]\n }\n return key\n }\n }\n }\n\n for (const match of matcher.execAll(str)) {\n chunks.push(str.slice(index, match.index))\n chunks.push(\n replacement.replace(placeholder, (key) => replacer(key, match)),\n )\n index = match.index + match[0].length\n }\n chunks.push(str.slice(index))\n\n return chunks.join(\"\")\n}\n\n/**\n * Replace a given string by a given matcher.\n * @param {PatternMatcher} matcher The pattern matcher.\n * @param {string} str The string to be replaced.\n * @param {(substring: string, ...args: any[]) => string} replace The function to replace each matched part.\n * @returns {string} The replaced string.\n */\nfunction replaceF(matcher, str, replace) {\n const chunks = []\n let index = 0\n\n for (const match of matcher.execAll(str)) {\n chunks.push(str.slice(index, match.index))\n chunks.push(\n String(\n replace(\n .../** @type {[string, ...string[]]} */ (\n /** @type {string[]} */ (match)\n ),\n match.index,\n match.input,\n ),\n ),\n )\n index = match.index + match[0].length\n }\n chunks.push(str.slice(index))\n\n return chunks.join(\"\")\n}\n\n/**\n * The class to find patterns as considering escape sequences.\n */\nexport class PatternMatcher {\n /**\n * Initialize this matcher.\n * @param {RegExp} pattern The pattern to match.\n * @param {{escaped?:boolean}} [options] The options.\n */\n constructor(pattern, options = {}) {\n const { escaped = false } = options\n if (!(pattern instanceof RegExp)) {\n throw new TypeError(\"'pattern' should be a RegExp instance.\")\n }\n if (!pattern.flags.includes(\"g\")) {\n throw new Error(\"'pattern' should contains 'g' flag.\")\n }\n\n internal.set(this, {\n pattern: new RegExp(pattern.source, pattern.flags),\n escaped: Boolean(escaped),\n })\n }\n\n /**\n * Find the pattern in a given string.\n * @param {string} str The string to find.\n * @returns {IterableIterator} The iterator which iterate the matched information.\n */\n *execAll(str) {\n const { pattern, escaped } =\n /** @type {{pattern:RegExp,escaped:boolean}} */ (internal.get(this))\n let match = null\n let lastIndex = 0\n\n pattern.lastIndex = 0\n while ((match = pattern.exec(str)) != null) {\n if (escaped || !isEscaped(str, match.index)) {\n lastIndex = pattern.lastIndex\n yield match\n pattern.lastIndex = lastIndex\n }\n }\n }\n\n /**\n * Check whether the pattern is found in a given string.\n * @param {string} str The string to check.\n * @returns {boolean} `true` if the pattern was found in the string.\n */\n test(str) {\n const it = this.execAll(str)\n const ret = it.next()\n return !ret.done\n }\n\n /**\n * Replace a given string.\n * @param {string} str The string to be replaced.\n * @param {(string|((...strs:string[])=>string))} replacer The string or function to replace. This is the same as the 2nd argument of `String.prototype.replace`.\n * @returns {string} The replaced string.\n */\n [Symbol.replace](str, replacer) {\n return typeof replacer === \"function\"\n ? replaceF(this, String(str), replacer)\n : replaceS(this, String(str), String(replacer))\n }\n}\n","import { findVariable } from \"./find-variable.mjs\"\nimport { getPropertyName } from \"./get-property-name.mjs\"\nimport { getStringIfConstant } from \"./get-string-if-constant.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"estree\").Expression} Expression */\n/** @typedef {import(\"estree\").Pattern} Pattern */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n/** @typedef {import(\"estree\").SimpleCallExpression} CallExpression */\n/** @typedef {import(\"estree\").Program} Program */\n/** @typedef {import(\"estree\").ImportDeclaration} ImportDeclaration */\n/** @typedef {import(\"estree\").ExportAllDeclaration} ExportAllDeclaration */\n/** @typedef {import(\"estree\").ExportDefaultDeclaration} ExportDefaultDeclaration */\n/** @typedef {import(\"estree\").ExportNamedDeclaration} ExportNamedDeclaration */\n/** @typedef {import(\"estree\").ImportSpecifier} ImportSpecifier */\n/** @typedef {import(\"estree\").ImportDefaultSpecifier} ImportDefaultSpecifier */\n/** @typedef {import(\"estree\").ImportNamespaceSpecifier} ImportNamespaceSpecifier */\n/** @typedef {import(\"estree\").ExportSpecifier} ExportSpecifier */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").AssignmentProperty} AssignmentProperty */\n/** @typedef {import(\"estree\").Literal} Literal */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Node} TSESTreeNode */\n/** @typedef {import(\"./types.mjs\").ReferenceTrackerOptions} ReferenceTrackerOptions */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMap} TraceMap\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMapObject} TraceMapObject\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TrackedReferences} TrackedReferences\n */\n\nconst IMPORT_TYPE = /^(?:Import|Export(?:All|Default|Named))Declaration$/u\n\n/**\n * Check whether a given node is an import node or not.\n * @param {Node} node\n * @returns {node is ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration&{source: Literal}} `true` if the node is an import node.\n */\nfunction isHasSource(node) {\n return (\n IMPORT_TYPE.test(node.type) &&\n /** @type {ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration} */ (\n node\n ).source != null\n )\n}\nconst has =\n /** @type {(traceMap: TraceMap, v: T) => v is (string extends T ? string : T)} */ (\n Function.call.bind(Object.hasOwnProperty)\n )\n\nexport const READ = Symbol(\"read\")\nexport const CALL = Symbol(\"call\")\nexport const CONSTRUCT = Symbol(\"construct\")\nexport const ESM = Symbol(\"esm\")\n\nconst requireCall = { require: { [CALL]: true } }\n\n/**\n * Check whether a given variable is modified or not.\n * @param {Variable|undefined} variable The variable to check.\n * @returns {boolean} `true` if the variable is modified.\n */\nfunction isModifiedGlobal(variable) {\n return (\n variable == null ||\n variable.defs.length !== 0 ||\n variable.references.some((r) => r.isWrite())\n )\n}\n\n/**\n * Check if the value of a given node is passed through to the parent syntax as-is.\n * For example, `a` and `b` in (`a || b` and `c ? a : b`) are passed through.\n * @param {Node} node A node to check.\n * @returns {node is RuleNode & {parent: Expression}} `true` if the node is passed through.\n */\nfunction isPassThrough(node) {\n const parent = /** @type {TSESTreeNode} */ (node).parent\n\n if (parent) {\n switch (parent.type) {\n case \"ConditionalExpression\":\n return parent.consequent === node || parent.alternate === node\n case \"LogicalExpression\":\n return true\n case \"SequenceExpression\":\n return (\n parent.expressions[parent.expressions.length - 1] === node\n )\n case \"ChainExpression\":\n return true\n case \"TSAsExpression\":\n case \"TSSatisfiesExpression\":\n case \"TSTypeAssertion\":\n case \"TSNonNullExpression\":\n case \"TSInstantiationExpression\":\n return true\n\n default:\n return false\n }\n }\n return false\n}\n\n/**\n * The reference tracker.\n */\nexport class ReferenceTracker {\n /**\n * Initialize this tracker.\n * @param {Scope} globalScope The global scope.\n * @param {object} [options] The options.\n * @param {\"legacy\"|\"strict\"} [options.mode=\"strict\"] The mode to determine the ImportDeclaration's behavior for CJS modules.\n * @param {string[]} [options.globalObjectNames=[\"global\",\"globalThis\",\"self\",\"window\"]] The variable names for Global Object.\n */\n constructor(globalScope, options = {}) {\n const {\n mode = \"strict\",\n globalObjectNames = [\"global\", \"globalThis\", \"self\", \"window\"],\n } = options\n /** @private @type {Variable[]} */\n this.variableStack = []\n /** @private */\n this.globalScope = globalScope\n /** @private */\n this.mode = mode\n /** @private */\n this.globalObjectNames = globalObjectNames.slice(0)\n }\n\n /**\n * Iterate the references of global variables.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateGlobalReferences(traceMap) {\n for (const key of Object.keys(traceMap)) {\n const nextTraceMap = traceMap[key]\n const path = [key]\n const variable = this.globalScope.set.get(key)\n\n if (isModifiedGlobal(variable)) {\n continue\n }\n\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (variable),\n path,\n nextTraceMap,\n true,\n )\n }\n\n for (const key of this.globalObjectNames) {\n /** @type {string[]} */\n const path = []\n const variable = this.globalScope.set.get(key)\n\n if (isModifiedGlobal(variable)) {\n continue\n }\n\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (variable),\n path,\n traceMap,\n false,\n )\n }\n }\n\n /**\n * Iterate the references of CommonJS modules.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateCjsReferences(traceMap) {\n for (const { node } of this.iterateGlobalReferences(requireCall)) {\n const key = getStringIfConstant(\n /** @type {CallExpression} */ (node).arguments[0],\n )\n if (key == null || !has(traceMap, key)) {\n continue\n }\n\n const nextTraceMap = traceMap[key]\n const path = [key]\n\n if (nextTraceMap[READ]) {\n yield {\n node,\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iteratePropertyReferences(\n /** @type {CallExpression} */ (node),\n path,\n nextTraceMap,\n )\n }\n }\n\n /**\n * Iterate the references of ES modules.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateEsmReferences(traceMap) {\n const programNode = /** @type {Program} */ (this.globalScope.block)\n\n for (const node of programNode.body) {\n if (!isHasSource(node)) {\n continue\n }\n const moduleId = /** @type {string} */ (node.source.value)\n\n if (!has(traceMap, moduleId)) {\n continue\n }\n const nextTraceMap = traceMap[moduleId]\n const path = [moduleId]\n\n if (nextTraceMap[READ]) {\n yield {\n // eslint-disable-next-line object-shorthand -- apply type\n node: /** @type {RuleNode} */ (node),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n\n if (node.type === \"ExportAllDeclaration\") {\n for (const key of Object.keys(nextTraceMap)) {\n const exportTraceMap = nextTraceMap[key]\n if (exportTraceMap[READ]) {\n yield {\n // eslint-disable-next-line object-shorthand -- apply type\n node: /** @type {RuleNode} */ (node),\n path: path.concat(key),\n type: READ,\n info: exportTraceMap[READ],\n }\n }\n }\n } else {\n for (const specifier of node.specifiers) {\n const esm = has(nextTraceMap, ESM)\n const it = this._iterateImportReferences(\n specifier,\n path,\n esm\n ? nextTraceMap\n : this.mode === \"legacy\"\n ? { default: nextTraceMap, ...nextTraceMap }\n : { default: nextTraceMap },\n )\n\n if (esm) {\n yield* it\n } else {\n for (const report of it) {\n report.path = report.path.filter(exceptDefault)\n if (\n report.path.length >= 2 ||\n report.type !== READ\n ) {\n yield report\n }\n }\n }\n }\n }\n }\n }\n\n /**\n * Iterate the property references for a given expression AST node.\n * @template T\n * @param {Expression} node The expression AST node to iterate property references.\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate property references.\n */\n *iteratePropertyReferences(node, traceMap) {\n yield* this._iteratePropertyReferences(node, [], traceMap)\n }\n\n /**\n * Iterate the references for a given variable.\n * @private\n * @template T\n * @param {Variable} variable The variable to iterate that references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @param {boolean} shouldReport = The flag to report those references.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateVariableReferences(variable, path, traceMap, shouldReport) {\n if (this.variableStack.includes(variable)) {\n return\n }\n this.variableStack.push(variable)\n try {\n for (const reference of variable.references) {\n if (!reference.isRead()) {\n continue\n }\n const node = /** @type {RuleNode & Identifier} */ (\n reference.identifier\n )\n\n if (shouldReport && traceMap[READ]) {\n yield { node, path, type: READ, info: traceMap[READ] }\n }\n yield* this._iteratePropertyReferences(node, path, traceMap)\n }\n } finally {\n this.variableStack.pop()\n }\n }\n\n /**\n * Iterate the references for a given AST node.\n * @private\n * @template T\n * @param {Expression} rootNode The AST node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n //eslint-disable-next-line complexity\n *_iteratePropertyReferences(rootNode, path, traceMap) {\n let node = rootNode\n while (isPassThrough(node)) {\n node = node.parent\n }\n\n const parent = /** @type {RuleNode} */ (node).parent\n if (parent.type === \"MemberExpression\") {\n if (parent.object === node) {\n const key = getPropertyName(parent)\n if (key == null || !has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: parent,\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iteratePropertyReferences(\n parent,\n path,\n nextTraceMap,\n )\n }\n return\n }\n if (parent.type === \"CallExpression\") {\n if (parent.callee === node && traceMap[CALL]) {\n yield { node: parent, path, type: CALL, info: traceMap[CALL] }\n }\n return\n }\n if (parent.type === \"NewExpression\") {\n if (parent.callee === node && traceMap[CONSTRUCT]) {\n yield {\n node: parent,\n path,\n type: CONSTRUCT,\n info: traceMap[CONSTRUCT],\n }\n }\n return\n }\n if (parent.type === \"AssignmentExpression\") {\n if (parent.right === node) {\n yield* this._iterateLhsReferences(parent.left, path, traceMap)\n yield* this._iteratePropertyReferences(parent, path, traceMap)\n }\n return\n }\n if (parent.type === \"AssignmentPattern\") {\n if (parent.right === node) {\n yield* this._iterateLhsReferences(parent.left, path, traceMap)\n }\n return\n }\n if (parent.type === \"VariableDeclarator\") {\n if (parent.init === node) {\n yield* this._iterateLhsReferences(parent.id, path, traceMap)\n }\n }\n }\n\n /**\n * Iterate the references for a given Pattern node.\n * @private\n * @template T\n * @param {Pattern} patternNode The Pattern node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateLhsReferences(patternNode, path, traceMap) {\n if (patternNode.type === \"Identifier\") {\n const variable = findVariable(this.globalScope, patternNode)\n if (variable != null) {\n yield* this._iterateVariableReferences(\n variable,\n path,\n traceMap,\n false,\n )\n }\n return\n }\n if (patternNode.type === \"ObjectPattern\") {\n for (const property of patternNode.properties) {\n const key = getPropertyName(\n /** @type {AssignmentProperty} */ (property),\n )\n\n if (key == null || !has(traceMap, key)) {\n continue\n }\n\n const nextPath = path.concat(key)\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (property),\n path: nextPath,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iterateLhsReferences(\n /** @type {AssignmentProperty} */ (property).value,\n nextPath,\n nextTraceMap,\n )\n }\n return\n }\n if (patternNode.type === \"AssignmentPattern\") {\n yield* this._iterateLhsReferences(patternNode.left, path, traceMap)\n }\n }\n\n /**\n * Iterate the references for a given ModuleSpecifier node.\n * @private\n * @template T\n * @param {ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier} specifierNode The ModuleSpecifier node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateImportReferences(specifierNode, path, traceMap) {\n const type = specifierNode.type\n\n if (type === \"ImportSpecifier\" || type === \"ImportDefaultSpecifier\") {\n const key =\n type === \"ImportDefaultSpecifier\"\n ? \"default\"\n : specifierNode.imported.type === \"Identifier\"\n ? specifierNode.imported.name\n : specifierNode.imported.value\n if (!has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (specifierNode),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (\n findVariable(this.globalScope, specifierNode.local)\n ),\n path,\n nextTraceMap,\n false,\n )\n\n return\n }\n\n if (type === \"ImportNamespaceSpecifier\") {\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (\n findVariable(this.globalScope, specifierNode.local)\n ),\n path,\n traceMap,\n false,\n )\n return\n }\n\n if (type === \"ExportSpecifier\") {\n const key =\n specifierNode.local.type === \"Identifier\"\n ? specifierNode.local.name\n : specifierNode.local.value\n if (!has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (specifierNode),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n }\n }\n}\n\nReferenceTracker.READ = READ\nReferenceTracker.CALL = CALL\nReferenceTracker.CONSTRUCT = CONSTRUCT\nReferenceTracker.ESM = ESM\n\n/**\n * This is a predicate function for Array#filter.\n * @param {string} name A name part.\n * @param {number} index The index of the name.\n * @returns {boolean} `false` if it's default.\n */\nfunction exceptDefault(name, index) {\n return !(index === 1 && name === \"default\")\n}\n","/** @typedef {import(\"./types.mjs\").StaticValue} StaticValue */\n/** @typedef {import(\"./types.mjs\").StaticValueOptional} StaticValueOptional */\n/** @typedef {import(\"./types.mjs\").StaticValueProvided} StaticValueProvided */\n/** @typedef {import(\"./types.mjs\").ReferenceTrackerOptions} ReferenceTrackerOptions */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMap} TraceMap\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TrackedReferences} TrackedReferences\n */\n/** @typedef {import(\"./types.mjs\").HasSideEffectOptions} HasSideEffectOptions */\n/** @typedef {import(\"./types.mjs\").ArrowToken} ArrowToken */\n/** @typedef {import(\"./types.mjs\").CommaToken} CommaToken */\n/** @typedef {import(\"./types.mjs\").SemicolonToken} SemicolonToken */\n/** @typedef {import(\"./types.mjs\").ColonToken} ColonToken */\n/** @typedef {import(\"./types.mjs\").OpeningParenToken} OpeningParenToken */\n/** @typedef {import(\"./types.mjs\").ClosingParenToken} ClosingParenToken */\n/** @typedef {import(\"./types.mjs\").OpeningBracketToken} OpeningBracketToken */\n/** @typedef {import(\"./types.mjs\").ClosingBracketToken} ClosingBracketToken */\n/** @typedef {import(\"./types.mjs\").OpeningBraceToken} OpeningBraceToken */\n/** @typedef {import(\"./types.mjs\").ClosingBraceToken} ClosingBraceToken */\n\nimport { findVariable } from \"./find-variable.mjs\"\nimport { getFunctionHeadLocation } from \"./get-function-head-location.mjs\"\nimport { getFunctionNameWithKind } from \"./get-function-name-with-kind.mjs\"\nimport { getInnermostScope } from \"./get-innermost-scope.mjs\"\nimport { getPropertyName } from \"./get-property-name.mjs\"\nimport { getStaticValue } from \"./get-static-value.mjs\"\nimport { getStringIfConstant } from \"./get-string-if-constant.mjs\"\nimport { hasSideEffect } from \"./has-side-effect.mjs\"\nimport { isParenthesized } from \"./is-parenthesized.mjs\"\nimport { PatternMatcher } from \"./pattern-matcher.mjs\"\nimport {\n CALL,\n CONSTRUCT,\n ESM,\n READ,\n ReferenceTracker,\n} from \"./reference-tracker.mjs\"\nimport {\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isSemicolonToken,\n} from \"./token-predicate.mjs\"\n\nexport default {\n CALL,\n CONSTRUCT,\n ESM,\n findVariable,\n getFunctionHeadLocation,\n getFunctionNameWithKind,\n getInnermostScope,\n getPropertyName,\n getStaticValue,\n getStringIfConstant,\n hasSideEffect,\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isParenthesized,\n isSemicolonToken,\n PatternMatcher,\n READ,\n ReferenceTracker,\n}\nexport {\n CALL,\n CONSTRUCT,\n ESM,\n findVariable,\n getFunctionHeadLocation,\n getFunctionNameWithKind,\n getInnermostScope,\n getPropertyName,\n getStaticValue,\n getStringIfConstant,\n hasSideEffect,\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isParenthesized,\n isSemicolonToken,\n PatternMatcher,\n READ,\n 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\ No newline at end of file diff --git a/module/node_modules/@eslint-community/eslint-utils/index.mjs b/module/node_modules/@eslint-community/eslint-utils/index.mjs new file mode 100644 index 000000000..9a647b8ce --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/index.mjs @@ -0,0 +1,2566 @@ +import { getKeys, KEYS } from 'eslint-visitor-keys'; + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").Node} Node */ + +/** + * Get the innermost scope which contains a given location. + * @param {Scope} initialScope The initial scope to search. + * @param {Node} node The location to search. + * @returns {Scope} The innermost scope. + */ +function getInnermostScope(initialScope, node) { + const location = /** @type {[number, number]} */ (node.range)[0]; + + let scope = initialScope; + let found = false; + do { + found = false; + for (const childScope of scope.childScopes) { + const range = /** @type {[number, number]} */ ( + childScope.block.range + ); + + if (range[0] <= location && location < range[1]) { + scope = childScope; + found = true; + break + } + } + } while (found) + + return scope +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Find the variable of a given name. + * @param {Scope} initialScope The scope to start finding. + * @param {string|Identifier} nameOrNode The variable name to find. If this is a Node object then it should be an Identifier node. + * @returns {Variable|null} The found variable or null. + */ +function findVariable(initialScope, nameOrNode) { + let name = ""; + /** @type {Scope|null} */ + let scope = initialScope; + + if (typeof nameOrNode === "string") { + name = nameOrNode; + } else { + name = nameOrNode.name; + scope = getInnermostScope(scope, nameOrNode); + } + + while (scope != null) { + const variable = scope.set.get(name); + if (variable != null) { + return variable + } + scope = scope.upper; + } + + return null +} + +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("estree").Comment} Comment */ +/** @typedef {import("./types.mjs").ArrowToken} ArrowToken */ +/** @typedef {import("./types.mjs").CommaToken} CommaToken */ +/** @typedef {import("./types.mjs").SemicolonToken} SemicolonToken */ +/** @typedef {import("./types.mjs").ColonToken} ColonToken */ +/** @typedef {import("./types.mjs").OpeningParenToken} OpeningParenToken */ +/** @typedef {import("./types.mjs").ClosingParenToken} ClosingParenToken */ +/** @typedef {import("./types.mjs").OpeningBracketToken} OpeningBracketToken */ +/** @typedef {import("./types.mjs").ClosingBracketToken} ClosingBracketToken */ +/** @typedef {import("./types.mjs").OpeningBraceToken} OpeningBraceToken */ +/** @typedef {import("./types.mjs").ClosingBraceToken} ClosingBraceToken */ +/** + * @template {string} Value + * @typedef {import("./types.mjs").PunctuatorToken} PunctuatorToken + */ + +/** @typedef {Comment | Token} CommentOrToken */ + +/** + * Creates the negate function of the given function. + * @param {function(CommentOrToken):boolean} f - The function to negate. + * @returns {function(CommentOrToken):boolean} Negated function. + */ +function negate(f) { + return (token) => !f(token) +} + +/** + * Checks if the given token is a PunctuatorToken with the given value + * @template {string} Value + * @param {CommentOrToken} token - The token to check. + * @param {Value} value - The value to check. + * @returns {token is PunctuatorToken} `true` if the token is a PunctuatorToken with the given value. + */ +function isPunctuatorTokenWithValue(token, value) { + return token.type === "Punctuator" && token.value === value +} + +/** + * Checks if the given token is an arrow token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ArrowToken} `true` if the token is an arrow token. + */ +function isArrowToken(token) { + return isPunctuatorTokenWithValue(token, "=>") +} + +/** + * Checks if the given token is a comma token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is CommaToken} `true` if the token is a comma token. + */ +function isCommaToken(token) { + return isPunctuatorTokenWithValue(token, ",") +} + +/** + * Checks if the given token is a semicolon token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is SemicolonToken} `true` if the token is a semicolon token. + */ +function isSemicolonToken(token) { + return isPunctuatorTokenWithValue(token, ";") +} + +/** + * Checks if the given token is a colon token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ColonToken} `true` if the token is a colon token. + */ +function isColonToken(token) { + return isPunctuatorTokenWithValue(token, ":") +} + +/** + * Checks if the given token is an opening parenthesis token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningParenToken} `true` if the token is an opening parenthesis token. + */ +function isOpeningParenToken(token) { + return isPunctuatorTokenWithValue(token, "(") +} + +/** + * Checks if the given token is a closing parenthesis token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingParenToken} `true` if the token is a closing parenthesis token. + */ +function isClosingParenToken(token) { + return isPunctuatorTokenWithValue(token, ")") +} + +/** + * Checks if the given token is an opening square bracket token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningBracketToken} `true` if the token is an opening square bracket token. + */ +function isOpeningBracketToken(token) { + return isPunctuatorTokenWithValue(token, "[") +} + +/** + * Checks if the given token is a closing square bracket token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingBracketToken} `true` if the token is a closing square bracket token. + */ +function isClosingBracketToken(token) { + return isPunctuatorTokenWithValue(token, "]") +} + +/** + * Checks if the given token is an opening brace token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningBraceToken} `true` if the token is an opening brace token. + */ +function isOpeningBraceToken(token) { + return isPunctuatorTokenWithValue(token, "{") +} + +/** + * Checks if the given token is a closing brace token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingBraceToken} `true` if the token is a closing brace token. + */ +function isClosingBraceToken(token) { + return isPunctuatorTokenWithValue(token, "}") +} + +/** + * Checks if the given token is a comment token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is Comment} `true` if the token is a comment token. + */ +function isCommentToken(token) { + return ["Block", "Line", "Shebang"].includes(token.type) +} + +const isNotArrowToken = negate(isArrowToken); +const isNotCommaToken = negate(isCommaToken); +const isNotSemicolonToken = negate(isSemicolonToken); +const isNotColonToken = negate(isColonToken); +const isNotOpeningParenToken = negate(isOpeningParenToken); +const isNotClosingParenToken = negate(isClosingParenToken); +const isNotOpeningBracketToken = negate(isOpeningBracketToken); +const isNotClosingBracketToken = negate(isClosingBracketToken); +const isNotOpeningBraceToken = negate(isOpeningBraceToken); +const isNotClosingBraceToken = negate(isClosingBraceToken); +const isNotCommentToken = negate(isCommentToken); + +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("estree").Function} FunctionNode */ +/** @typedef {import("estree").FunctionDeclaration} FunctionDeclaration */ +/** @typedef {import("estree").FunctionExpression} FunctionExpression */ +/** @typedef {import("estree").SourceLocation} SourceLocation */ +/** @typedef {import("estree").Position} Position */ + +/** + * Get the `(` token of the given function node. + * @param {FunctionExpression | FunctionDeclaration} node - The function node to get. + * @param {SourceCode} sourceCode - The source code object to get tokens. + * @returns {Token} `(` token. + */ +function getOpeningParenOfParams(node, sourceCode) { + return node.id + ? /** @type {Token} */ ( + sourceCode.getTokenAfter(node.id, isOpeningParenToken) + ) + : /** @type {Token} */ ( + sourceCode.getFirstToken(node, isOpeningParenToken) + ) +} + +/** + * Get the location of the given function node for reporting. + * @param {FunctionNode} node - The function node to get. + * @param {SourceCode} sourceCode - The source code object to get tokens. + * @returns {SourceLocation|null} The location of the function node for reporting. + */ +function getFunctionHeadLocation(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + + /** @type {Position|null} */ + let start = null; + /** @type {Position|null} */ + let end = null; + + if (node.type === "ArrowFunctionExpression") { + const arrowToken = /** @type {Token} */ ( + sourceCode.getTokenBefore(node.body, isArrowToken) + ); + + start = arrowToken.loc.start; + end = arrowToken.loc.end; + } else if ( + parent.type === "Property" || + parent.type === "MethodDefinition" || + parent.type === "PropertyDefinition" + ) { + start = /** @type {SourceLocation} */ (parent.loc).start; + end = getOpeningParenOfParams(node, sourceCode).loc.start; + } else { + start = /** @type {SourceLocation} */ (node.loc).start; + end = getOpeningParenOfParams(node, sourceCode).loc.start; + } + + return { + start: { ...start }, + end: { ...end }, + } +} + +/* globals globalThis, global, self, window */ +/** @typedef {import("./types.mjs").StaticValue} StaticValue */ +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Node} TSESTreeNode */ +/** @typedef {import("@typescript-eslint/types").TSESTree.AST_NODE_TYPES} TSESTreeNodeTypes */ +/** @typedef {import("@typescript-eslint/types").TSESTree.MemberExpression} MemberExpression */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Property} Property */ +/** @typedef {import("@typescript-eslint/types").TSESTree.RegExpLiteral} RegExpLiteral */ +/** @typedef {import("@typescript-eslint/types").TSESTree.BigIntLiteral} BigIntLiteral */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Literal} Literal */ + +const globalObject = + typeof globalThis !== "undefined" + ? globalThis + : // @ts-ignore + typeof self !== "undefined" + ? // @ts-ignore + self + : // @ts-ignore + typeof window !== "undefined" + ? // @ts-ignore + window + : typeof global !== "undefined" + ? global + : {}; + +const builtinNames = Object.freeze( + new Set([ + "Array", + "ArrayBuffer", + "BigInt", + "BigInt64Array", + "BigUint64Array", + "Boolean", + "DataView", + "Date", + "decodeURI", + "decodeURIComponent", + "encodeURI", + "encodeURIComponent", + "escape", + "Float32Array", + "Float64Array", + "Function", + "Infinity", + "Int16Array", + "Int32Array", + "Int8Array", + "isFinite", + "isNaN", + "isPrototypeOf", + "JSON", + "Map", + "Math", + "NaN", + "Number", + "Object", + "parseFloat", + "parseInt", + "Promise", + "Proxy", + "Reflect", + "RegExp", + "Set", + "String", + "Symbol", + "Uint16Array", + "Uint32Array", + "Uint8Array", + "Uint8ClampedArray", + "undefined", + "unescape", + "WeakMap", + "WeakSet", + ]), +); +const callAllowed = new Set( + [ + Array.isArray, + Array.of, + Array.prototype.at, + Array.prototype.concat, + Array.prototype.entries, + Array.prototype.every, + Array.prototype.filter, + Array.prototype.find, + Array.prototype.findIndex, + Array.prototype.flat, + Array.prototype.includes, + Array.prototype.indexOf, + Array.prototype.join, + Array.prototype.keys, + Array.prototype.lastIndexOf, + Array.prototype.slice, + Array.prototype.some, + Array.prototype.toString, + Array.prototype.values, + typeof BigInt === "function" ? BigInt : undefined, + Boolean, + Date, + Date.parse, + decodeURI, + decodeURIComponent, + encodeURI, + encodeURIComponent, + escape, + isFinite, + isNaN, + // @ts-ignore + isPrototypeOf, + Map, + Map.prototype.entries, + Map.prototype.get, + Map.prototype.has, + Map.prototype.keys, + Map.prototype.values, + .../** @type {(keyof typeof Math)[]} */ ( + Object.getOwnPropertyNames(Math) + ) + .filter((k) => k !== "random") + .map((k) => Math[k]) + .filter((f) => typeof f === "function"), + Number, + Number.isFinite, + Number.isNaN, + Number.parseFloat, + Number.parseInt, + Number.prototype.toExponential, + Number.prototype.toFixed, + Number.prototype.toPrecision, + Number.prototype.toString, + Object, + Object.entries, + Object.is, + Object.isExtensible, + Object.isFrozen, + Object.isSealed, + Object.keys, + Object.values, + parseFloat, + parseInt, + RegExp, + Set, + Set.prototype.entries, + Set.prototype.has, + Set.prototype.keys, + Set.prototype.values, + String, + String.fromCharCode, + String.fromCodePoint, + String.raw, + String.prototype.at, + String.prototype.charAt, + String.prototype.charCodeAt, + String.prototype.codePointAt, + String.prototype.concat, + String.prototype.endsWith, + String.prototype.includes, + String.prototype.indexOf, + String.prototype.lastIndexOf, + String.prototype.normalize, + String.prototype.padEnd, + String.prototype.padStart, + String.prototype.slice, + String.prototype.startsWith, + String.prototype.substr, + String.prototype.substring, + String.prototype.toLowerCase, + String.prototype.toString, + String.prototype.toUpperCase, + String.prototype.trim, + String.prototype.trimEnd, + String.prototype.trimLeft, + String.prototype.trimRight, + String.prototype.trimStart, + Symbol.for, + Symbol.keyFor, + unescape, + ].filter((f) => typeof f === "function"), +); +const callPassThrough = new Set([ + Object.freeze, + Object.preventExtensions, + Object.seal, +]); + +/** @type {ReadonlyArray]>} */ +const getterAllowed = [ + [Map, new Set(["size"])], + [ + RegExp, + new Set([ + "dotAll", + "flags", + "global", + "hasIndices", + "ignoreCase", + "multiline", + "source", + "sticky", + "unicode", + ]), + ], + [Set, new Set(["size"])], +]; + +/** + * Get the property descriptor. + * @param {object} object The object to get. + * @param {string|number|symbol} name The property name to get. + */ +function getPropertyDescriptor(object, name) { + let x = object; + while ((typeof x === "object" || typeof x === "function") && x !== null) { + const d = Object.getOwnPropertyDescriptor(x, name); + if (d) { + return d + } + x = Object.getPrototypeOf(x); + } + return null +} + +/** + * Check if a property is getter or not. + * @param {object} object The object to check. + * @param {string|number|symbol} name The property name to check. + */ +function isGetter(object, name) { + const d = getPropertyDescriptor(object, name); + return d != null && d.get != null +} + +/** + * Get the element values of a given node list. + * @param {(Node|TSESTreeNode|null)[]} nodeList The node list to get values. + * @param {Scope|undefined|null} initialScope The initial scope to find variables. + * @returns {any[]|null} The value list if all nodes are constant. Otherwise, null. + */ +function getElementValues(nodeList, initialScope) { + const valueList = []; + + for (let i = 0; i < nodeList.length; ++i) { + const elementNode = nodeList[i]; + + if (elementNode == null) { + valueList.length = i + 1; + } else if (elementNode.type === "SpreadElement") { + const argument = getStaticValueR(elementNode.argument, initialScope); + if (argument == null) { + return null + } + valueList.push(.../** @type {Iterable} */ (argument.value)); + } else { + const element = getStaticValueR(elementNode, initialScope); + if (element == null) { + return null + } + valueList.push(element.value); + } + } + + return valueList +} + +/** + * Checks if a variable is a built-in global. + * @param {Variable|null} variable The variable to check. + * @returns {variable is Variable & {defs:[]}} + */ +function isBuiltinGlobal(variable) { + return ( + variable != null && + variable.defs.length === 0 && + builtinNames.has(variable.name) && + variable.name in globalObject + ) +} + +/** + * Checks if a variable can be considered as a constant. + * @param {Variable} variable + * @returns {variable is Variable & {defs: [import("eslint").Scope.Definition & { type: "Variable" }]}} True if the variable can be considered as a constant. + */ +function canBeConsideredConst(variable) { + if (variable.defs.length !== 1) { + return false + } + const def = variable.defs[0]; + return Boolean( + def.parent && + def.type === "Variable" && + (def.parent.kind === "const" || isEffectivelyConst(variable)), + ) +} + +/** + * Returns whether the given variable is never written to after initialization. + * @param {Variable} variable + * @returns {boolean} + */ +function isEffectivelyConst(variable) { + const refs = variable.references; + + const inits = refs.filter((r) => r.init).length; + const reads = refs.filter((r) => r.isReadOnly()).length; + if (inits === 1 && reads + inits === refs.length) { + // there is only one init and all other references only read + return true + } + return false +} + +/** + * Checks if a variable has mutation in its property. + * @param {Variable} variable The variable to check. + * @param {Scope|null} initialScope The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {boolean} True if the variable has mutation in its property. + */ +function hasMutationInProperty(variable, initialScope) { + for (const ref of variable.references) { + let node = /** @type {TSESTreeNode} */ (ref.identifier); + while (node && node.parent && node.parent.type === "MemberExpression") { + node = node.parent; + } + if (!node || !node.parent) { + continue + } + if ( + (node.parent.type === "AssignmentExpression" && + node.parent.left === node) || + (node.parent.type === "UpdateExpression" && + node.parent.argument === node) + ) { + // This is a mutation. + return true + } + if ( + node.parent.type === "CallExpression" && + node.parent.callee === node && + node.type === "MemberExpression" + ) { + const methodName = getStaticPropertyNameValue(node, initialScope); + if (isNameOfMutationArrayMethod(methodName)) { + // This is a mutation. + return true + } + } + } + return false + + /** + * Checks if a method name is one of the mutation array methods. + * @param {StaticValue|null} methodName The method name to check. + * @returns {boolean} True if the method name is a mutation array method. + */ + function isNameOfMutationArrayMethod(methodName) { + if (methodName == null || methodName.value == null) { + return false + } + const name = methodName.value; + return ( + name === "copyWithin" || + name === "fill" || + name === "pop" || + name === "push" || + name === "reverse" || + name === "shift" || + name === "sort" || + name === "splice" || + name === "unshift" + ) + } +} + +/** + * @template {TSESTreeNodeTypes} T + * @callback VisitorCallback + * @param {TSESTreeNode & { type: T }} node + * @param {Scope|undefined|null} initialScope + * @returns {StaticValue | null} + */ +/** + * @typedef { { [K in TSESTreeNodeTypes]?: VisitorCallback } } Operations + */ +/** + * @type {Operations} + */ +const operations = Object.freeze({ + ArrayExpression(node, initialScope) { + const elements = getElementValues(node.elements, initialScope); + return elements != null ? { value: elements } : null + }, + + AssignmentExpression(node, initialScope) { + if (node.operator === "=") { + return getStaticValueR(node.right, initialScope) + } + return null + }, + + //eslint-disable-next-line complexity + BinaryExpression(node, initialScope) { + if (node.operator === "in" || node.operator === "instanceof") { + // Not supported. + return null + } + + const left = getStaticValueR(node.left, initialScope); + const right = getStaticValueR(node.right, initialScope); + if (left != null && right != null) { + switch (node.operator) { + case "==": + return { value: left.value == right.value } //eslint-disable-line eqeqeq + case "!=": + return { value: left.value != right.value } //eslint-disable-line eqeqeq + case "===": + return { value: left.value === right.value } + case "!==": + return { value: left.value !== right.value } + case "<": + return { + value: + /** @type {any} */ (left.value) < + /** @type {any} */ (right.value), + } + case "<=": + return { + value: + /** @type {any} */ (left.value) <= + /** @type {any} */ (right.value), + } + case ">": + return { + value: + /** @type {any} */ (left.value) > + /** @type {any} */ (right.value), + } + case ">=": + return { + value: + /** @type {any} */ (left.value) >= + /** @type {any} */ (right.value), + } + case "<<": + return { + value: + /** @type {any} */ (left.value) << + /** @type {any} */ (right.value), + } + case ">>": + return { + value: + /** @type {any} */ (left.value) >> + /** @type {any} */ (right.value), + } + case ">>>": + return { + value: + /** @type {any} */ (left.value) >>> + /** @type {any} */ (right.value), + } + case "+": + return { + value: + /** @type {any} */ (left.value) + + /** @type {any} */ (right.value), + } + case "-": + return { + value: + /** @type {any} */ (left.value) - + /** @type {any} */ (right.value), + } + case "*": + return { + value: + /** @type {any} */ (left.value) * + /** @type {any} */ (right.value), + } + case "/": + return { + value: + /** @type {any} */ (left.value) / + /** @type {any} */ (right.value), + } + case "%": + return { + value: + /** @type {any} */ (left.value) % + /** @type {any} */ (right.value), + } + case "**": + return { + value: + /** @type {any} */ (left.value) ** + /** @type {any} */ (right.value), + } + case "|": + return { + value: + /** @type {any} */ (left.value) | + /** @type {any} */ (right.value), + } + case "^": + return { + value: + /** @type {any} */ (left.value) ^ + /** @type {any} */ (right.value), + } + case "&": + return { + value: + /** @type {any} */ (left.value) & + /** @type {any} */ (right.value), + } + + // no default + } + } + + return null + }, + + CallExpression(node, initialScope) { + const calleeNode = node.callee; + const args = getElementValues(node.arguments, initialScope); + + if (args != null) { + if (calleeNode.type === "MemberExpression") { + if (calleeNode.property.type === "PrivateIdentifier") { + return null + } + const object = getStaticValueR(calleeNode.object, initialScope); + if (object != null) { + if ( + object.value == null && + (object.optional || node.optional) + ) { + return { value: undefined, optional: true } + } + const property = getStaticPropertyNameValue( + calleeNode, + initialScope, + ); + + if (property != null) { + const receiver = + /** @type {Record any>} */ ( + object.value + ); + const methodName = /** @type {PropertyKey} */ ( + property.value + ); + if (callAllowed.has(receiver[methodName])) { + return { + value: receiver[methodName](...args), + } + } + if (callPassThrough.has(receiver[methodName])) { + return { value: args[0] } + } + } + } + } else { + const callee = getStaticValueR(calleeNode, initialScope); + if (callee != null) { + if (callee.value == null && node.optional) { + return { value: undefined, optional: true } + } + const func = /** @type {(...args: any[]) => any} */ ( + callee.value + ); + if (callAllowed.has(func)) { + return { value: func(...args) } + } + if (callPassThrough.has(func)) { + return { value: args[0] } + } + } + } + } + + return null + }, + + ConditionalExpression(node, initialScope) { + const test = getStaticValueR(node.test, initialScope); + if (test != null) { + return test.value + ? getStaticValueR(node.consequent, initialScope) + : getStaticValueR(node.alternate, initialScope) + } + return null + }, + + ExpressionStatement(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + + Identifier(node, initialScope) { + if (initialScope != null) { + const variable = findVariable(initialScope, node); + + if (variable != null) { + // Built-in globals. + if (isBuiltinGlobal(variable)) { + return { value: globalObject[variable.name] } + } + + // Constants. + if (canBeConsideredConst(variable)) { + const def = variable.defs[0]; + if ( + // TODO(mysticatea): don't support destructuring here. + def.node.id.type === "Identifier" + ) { + const init = getStaticValueR( + def.node.init, + initialScope, + ); + if ( + init && + typeof init.value === "object" && + init.value !== null + ) { + if (hasMutationInProperty(variable, initialScope)) { + // This variable has mutation in its property. + return null + } + } + return init + } + } + } + } + return null + }, + + Literal(node) { + const literal = + /** @type {Partial & Partial & Partial} */ ( + node + ); + //istanbul ignore if : this is implementation-specific behavior. + if ( + (literal.regex != null || literal.bigint != null) && + literal.value == null + ) { + // It was a RegExp/BigInt literal, but Node.js didn't support it. + return null + } + return { value: literal.value } + }, + + LogicalExpression(node, initialScope) { + const left = getStaticValueR(node.left, initialScope); + if (left != null) { + if ( + (node.operator === "||" && Boolean(left.value) === true) || + (node.operator === "&&" && Boolean(left.value) === false) || + (node.operator === "??" && left.value != null) + ) { + return left + } + + const right = getStaticValueR(node.right, initialScope); + if (right != null) { + return right + } + } + + return null + }, + + MemberExpression(node, initialScope) { + if (node.property.type === "PrivateIdentifier") { + return null + } + const object = getStaticValueR(node.object, initialScope); + if (object != null) { + if (object.value == null && (object.optional || node.optional)) { + return { value: undefined, optional: true } + } + const property = getStaticPropertyNameValue(node, initialScope); + + if (property != null) { + if ( + !isGetter( + /** @type {object} */ (object.value), + /** @type {PropertyKey} */ (property.value), + ) + ) { + return { + value: /** @type {Record} */ ( + object.value + )[/** @type {PropertyKey} */ (property.value)], + } + } + + for (const [classFn, allowed] of getterAllowed) { + if ( + object.value instanceof classFn && + allowed.has(/** @type {string} */ (property.value)) + ) { + return { + value: /** @type {Record} */ ( + object.value + )[/** @type {PropertyKey} */ (property.value)], + } + } + } + } + } + return null + }, + + ChainExpression(node, initialScope) { + const expression = getStaticValueR(node.expression, initialScope); + if (expression != null) { + return { value: expression.value } + } + return null + }, + + NewExpression(node, initialScope) { + const callee = getStaticValueR(node.callee, initialScope); + const args = getElementValues(node.arguments, initialScope); + + if (callee != null && args != null) { + const Func = /** @type {new (...args: any[]) => any} */ ( + callee.value + ); + if (callAllowed.has(Func)) { + return { value: new Func(...args) } + } + } + + return null + }, + + ObjectExpression(node, initialScope) { + /** @type {Record} */ + const object = {}; + + for (const propertyNode of node.properties) { + if (propertyNode.type === "Property") { + if (propertyNode.kind !== "init") { + return null + } + const key = getStaticPropertyNameValue( + propertyNode, + initialScope, + ); + const value = getStaticValueR(propertyNode.value, initialScope); + if (key == null || value == null) { + return null + } + object[/** @type {PropertyKey} */ (key.value)] = value.value; + } else if ( + propertyNode.type === "SpreadElement" || + // @ts-expect-error -- Backward compatibility + propertyNode.type === "ExperimentalSpreadProperty" + ) { + const argument = getStaticValueR( + propertyNode.argument, + initialScope, + ); + if (argument == null) { + return null + } + Object.assign(object, argument.value); + } else { + return null + } + } + + return { value: object } + }, + + SequenceExpression(node, initialScope) { + const last = node.expressions[node.expressions.length - 1]; + return getStaticValueR(last, initialScope) + }, + + TaggedTemplateExpression(node, initialScope) { + const tag = getStaticValueR(node.tag, initialScope); + const expressions = getElementValues( + node.quasi.expressions, + initialScope, + ); + + if (tag != null && expressions != null) { + const func = /** @type {(...args: any[]) => any} */ (tag.value); + /** @type {any[] & { raw?: string[] }} */ + const strings = node.quasi.quasis.map((q) => q.value.cooked); + strings.raw = node.quasi.quasis.map((q) => q.value.raw); + + if (func === String.raw) { + return { value: func(strings, ...expressions) } + } + } + + return null + }, + + TemplateLiteral(node, initialScope) { + const expressions = getElementValues(node.expressions, initialScope); + if (expressions != null) { + let value = node.quasis[0].value.cooked; + for (let i = 0; i < expressions.length; ++i) { + value += expressions[i]; + value += /** @type {string} */ (node.quasis[i + 1].value.cooked); + } + return { value } + } + return null + }, + + UnaryExpression(node, initialScope) { + if (node.operator === "delete") { + // Not supported. + return null + } + if (node.operator === "void") { + return { value: undefined } + } + + const arg = getStaticValueR(node.argument, initialScope); + if (arg != null) { + switch (node.operator) { + case "-": + return { value: -(/** @type {any} */ (arg.value)) } + case "+": + return { value: +(/** @type {any} */ (arg.value)) } //eslint-disable-line no-implicit-coercion + case "!": + return { value: !arg.value } + case "~": + return { value: ~(/** @type {any} */ (arg.value)) } + case "typeof": + return { value: typeof arg.value } + + // no default + } + } + + return null + }, + TSAsExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSSatisfiesExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSTypeAssertion(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSNonNullExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSInstantiationExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, +}); + +/** + * Get the value of a given node if it's a static value. + * @param {Node|TSESTreeNode|null|undefined} node The node to get. + * @param {Scope|undefined|null} initialScope The scope to start finding variable. + * @returns {StaticValue|null} The static value of the node, or `null`. + */ +function getStaticValueR(node, initialScope) { + if (node != null && Object.hasOwnProperty.call(operations, node.type)) { + return /** @type {VisitorCallback} */ (operations[node.type])( + /** @type {TSESTreeNode} */ (node), + initialScope, + ) + } + return null +} + +/** + * Get the static value of property name from a MemberExpression node or a Property node. + * @param {MemberExpression|Property} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {StaticValue|null} The static value of the property name of the node, or `null`. + */ +function getStaticPropertyNameValue(node, initialScope) { + const nameNode = node.type === "Property" ? node.key : node.property; + + if (node.computed) { + return getStaticValueR(nameNode, initialScope) + } + + if (nameNode.type === "Identifier") { + return { value: nameNode.name } + } + + if (nameNode.type === "Literal") { + if (/** @type {Partial} */ (nameNode).bigint) { + return { value: /** @type {BigIntLiteral} */ (nameNode).bigint } + } + return { value: String(nameNode.value) } + } + + return null +} + +/** + * Get the value of a given node if it's a static value. + * @param {Node} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If this scope was given, this tries to resolve identifier references which are in the given node as much as possible. + * @returns {StaticValue | null} The static value of the node, or `null`. + */ +function getStaticValue(node, initialScope = null) { + try { + return getStaticValueR(node, initialScope) + } catch (_error) { + return null + } +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("estree").RegExpLiteral} RegExpLiteral */ +/** @typedef {import("estree").BigIntLiteral} BigIntLiteral */ +/** @typedef {import("estree").SimpleLiteral} SimpleLiteral */ + +/** + * Get the value of a given node if it's a literal or a template literal. + * @param {Node} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is an Identifier node and this scope was given, this checks the variable of the identifier, and returns the value of it if the variable is a constant. + * @returns {string|null} The value of the node, or `null`. + */ +function getStringIfConstant(node, initialScope = null) { + // Handle the literals that the platform doesn't support natively. + if (node && node.type === "Literal" && node.value === null) { + const literal = + /** @type {Partial & Partial & Partial} */ ( + node + ); + if (literal.regex) { + return `/${literal.regex.pattern}/${literal.regex.flags}` + } + if (literal.bigint) { + return literal.bigint + } + } + + const evaluated = getStaticValue(node, initialScope); + + if (evaluated) { + // `String(Symbol.prototype)` throws error + try { + return String(evaluated.value) + } catch { + // No op + } + } + + return null +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").MemberExpression} MemberExpression */ +/** @typedef {import("estree").MethodDefinition} MethodDefinition */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").PropertyDefinition} PropertyDefinition */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Get the property name from a MemberExpression node or a Property node. + * @param {MemberExpression | MethodDefinition | Property | PropertyDefinition} node The node to get. + * @param {Scope} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {string|null|undefined} The property name of the node. + */ +function getPropertyName(node, initialScope) { + switch (node.type) { + case "MemberExpression": + if (node.computed) { + return getStringIfConstant(node.property, initialScope) + } + if (node.property.type === "PrivateIdentifier") { + return null + } + return /** @type {Partial} */ (node.property).name + + case "Property": + case "MethodDefinition": + case "PropertyDefinition": + if (node.computed) { + return getStringIfConstant(node.key, initialScope) + } + if (node.key.type === "Literal") { + return String(node.key.value) + } + if (node.key.type === "PrivateIdentifier") { + return null + } + return /** @type {Partial} */ (node.key).name + } + + return null +} + +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("estree").Function} FunctionNode */ +/** @typedef {import("estree").FunctionDeclaration} FunctionDeclaration */ +/** @typedef {import("estree").FunctionExpression} FunctionExpression */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Get the name and kind of the given function node. + * @param {FunctionNode} node - The function node to get. + * @param {SourceCode} [sourceCode] The source code object to get the code of computed property keys. + * @returns {string} The name and kind of the function node. + */ +// eslint-disable-next-line complexity +function getFunctionNameWithKind(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + const tokens = []; + const isObjectMethod = parent.type === "Property" && parent.value === node; + const isClassMethod = + parent.type === "MethodDefinition" && parent.value === node; + const isClassFieldMethod = + parent.type === "PropertyDefinition" && parent.value === node; + + // Modifiers. + if (isClassMethod || isClassFieldMethod) { + if (parent.static) { + tokens.push("static"); + } + if (parent.key.type === "PrivateIdentifier") { + tokens.push("private"); + } + } + if (node.async) { + tokens.push("async"); + } + if (node.generator) { + tokens.push("generator"); + } + + // Kinds. + if (isObjectMethod || isClassMethod) { + if (parent.kind === "constructor") { + return "constructor" + } + if (parent.kind === "get") { + tokens.push("getter"); + } else if (parent.kind === "set") { + tokens.push("setter"); + } else { + tokens.push("method"); + } + } else if (isClassFieldMethod) { + tokens.push("method"); + } else { + if (node.type === "ArrowFunctionExpression") { + tokens.push("arrow"); + } + tokens.push("function"); + } + + // Names. + if (isObjectMethod || isClassMethod || isClassFieldMethod) { + if (parent.key.type === "PrivateIdentifier") { + tokens.push(`#${parent.key.name}`); + } else { + const name = getPropertyName(parent); + if (name) { + tokens.push(`'${name}'`); + } else if (sourceCode) { + const keyText = sourceCode.getText(parent.key); + if (!keyText.includes("\n")) { + tokens.push(`[${keyText}]`); + } + } + } + } else if (hasId(node)) { + tokens.push(`'${node.id.name}'`); + } else if ( + parent.type === "VariableDeclarator" && + parent.id && + parent.id.type === "Identifier" + ) { + tokens.push(`'${parent.id.name}'`); + } else if ( + (parent.type === "AssignmentExpression" || + parent.type === "AssignmentPattern") && + parent.left && + parent.left.type === "Identifier" + ) { + tokens.push(`'${parent.left.name}'`); + } else if ( + parent.type === "ExportDefaultDeclaration" && + parent.declaration === node + ) { + tokens.push("'default'"); + } + + return tokens.join(" ") +} + +/** + * @param {FunctionNode} node + * @returns {node is FunctionDeclaration | FunctionExpression & { id: Identifier }} + */ +function hasId(node) { + return Boolean( + /** @type {Partial} */ (node) + .id, + ) +} + +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("./types.mjs").HasSideEffectOptions} HasSideEffectOptions */ +/** @typedef {import("estree").BinaryExpression} BinaryExpression */ +/** @typedef {import("estree").MemberExpression} MemberExpression */ +/** @typedef {import("estree").MethodDefinition} MethodDefinition */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").PropertyDefinition} PropertyDefinition */ +/** @typedef {import("estree").UnaryExpression} UnaryExpression */ + +const typeConversionBinaryOps = Object.freeze( + new Set([ + "==", + "!=", + "<", + "<=", + ">", + ">=", + "<<", + ">>", + ">>>", + "+", + "-", + "*", + "/", + "%", + "|", + "^", + "&", + "in", + ]), +); +const typeConversionUnaryOps = Object.freeze(new Set(["-", "+", "!", "~"])); + +/** + * Check whether the given value is an ASTNode or not. + * @param {any} x The value to check. + * @returns {x is Node} `true` if the value is an ASTNode. + */ +function isNode(x) { + return x !== null && typeof x === "object" && typeof x.type === "string" +} + +const visitor = Object.freeze( + Object.assign(Object.create(null), { + /** + * @param {Node} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + $visit(node, options, visitorKeys) { + const { type } = node; + + if (typeof (/** @type {any} */ (this)[type]) === "function") { + return /** @type {any} */ (this)[type]( + node, + options, + visitorKeys, + ) + } + + return this.$visitChildren(node, options, visitorKeys) + }, + + /** + * @param {Node} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + $visitChildren(node, options, visitorKeys) { + const { type } = node; + + for (const key of /** @type {(keyof Node)[]} */ ( + visitorKeys[type] || getKeys(node) + )) { + const value = node[key]; + + if (Array.isArray(value)) { + for (const element of value) { + if ( + isNode(element) && + this.$visit(element, options, visitorKeys) + ) { + return true + } + } + } else if ( + isNode(value) && + this.$visit(value, options, visitorKeys) + ) { + return true + } + } + + return false + }, + + ArrowFunctionExpression() { + return false + }, + AssignmentExpression() { + return true + }, + AwaitExpression() { + return true + }, + /** + * @param {BinaryExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + BinaryExpression(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + typeConversionBinaryOps.has(node.operator) && + (node.left.type !== "Literal" || node.right.type !== "Literal") + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + CallExpression() { + return true + }, + FunctionExpression() { + return false + }, + ImportExpression() { + return true + }, + /** + * @param {MemberExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + MemberExpression(node, options, visitorKeys) { + if (options.considerGetters) { + return true + } + if ( + options.considerImplicitTypeConversion && + node.computed && + node.property.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {MethodDefinition} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + MethodDefinition(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + NewExpression() { + return true + }, + /** + * @param {Property} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + Property(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {PropertyDefinition} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + PropertyDefinition(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {UnaryExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + UnaryExpression(node, options, visitorKeys) { + if (node.operator === "delete") { + return true + } + if ( + options.considerImplicitTypeConversion && + typeConversionUnaryOps.has(node.operator) && + node.argument.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + UpdateExpression() { + return true + }, + YieldExpression() { + return true + }, + }), +); + +/** + * Check whether a given node has any side effect or not. + * @param {Node} node The node to get. + * @param {SourceCode} sourceCode The source code object. + * @param {HasSideEffectOptions} [options] The option object. + * @returns {boolean} `true` if the node has a certain side effect. + */ +function hasSideEffect(node, sourceCode, options = {}) { + const { considerGetters = false, considerImplicitTypeConversion = false } = + options; + return visitor.$visit( + node, + { considerGetters, considerImplicitTypeConversion }, + sourceCode.visitorKeys || KEYS, + ) +} + +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("@typescript-eslint/types").TSESTree.NewExpression} TSNewExpression */ +/** @typedef {import("@typescript-eslint/types").TSESTree.CallExpression} TSCallExpression */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("eslint").Rule.Node} RuleNode */ + +/** + * Get the left parenthesis of the parent node syntax if it exists. + * E.g., `if (a) {}` then the `(`. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {Token|null} The left parenthesis of the parent node syntax + */ +// eslint-disable-next-line complexity +function getParentSyntaxParen(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + + switch (parent.type) { + case "CallExpression": + case "NewExpression": + if (parent.arguments.length === 1 && parent.arguments[0] === node) { + return sourceCode.getTokenAfter( + // @ts-expect-error https://github.com/typescript-eslint/typescript-eslint/pull/5384 + parent.typeArguments || + /** @type {RuleNode} */ ( + /** @type {unknown} */ ( + /** @type {TSNewExpression | TSCallExpression} */ ( + parent + ).typeParameters + ) + ) || + parent.callee, + isOpeningParenToken, + ) + } + return null + + case "DoWhileStatement": + if (parent.test === node) { + return sourceCode.getTokenAfter( + parent.body, + isOpeningParenToken, + ) + } + return null + + case "IfStatement": + case "WhileStatement": + if (parent.test === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "ImportExpression": + if (parent.source === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "SwitchStatement": + if (parent.discriminant === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "WithStatement": + if (parent.object === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + default: + return null + } +} + +/** + * Check whether a given node is parenthesized or not. + * @param {number} times The number of parantheses. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {boolean} `true` if the node is parenthesized the given times. + */ +/** + * Check whether a given node is parenthesized or not. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {boolean} `true` if the node is parenthesized. + */ +/** + * Check whether a given node is parenthesized or not. + * @param {Node|number} timesOrNode The first parameter. + * @param {Node|SourceCode} nodeOrSourceCode The second parameter. + * @param {SourceCode} [optionalSourceCode] The third parameter. + * @returns {boolean} `true` if the node is parenthesized. + */ +function isParenthesized( + timesOrNode, + nodeOrSourceCode, + optionalSourceCode, +) { + /** @type {number} */ + let times, + /** @type {RuleNode} */ + node, + /** @type {SourceCode} */ + sourceCode, + maybeLeftParen, + maybeRightParen; + if (typeof timesOrNode === "number") { + times = timesOrNode | 0; + node = /** @type {RuleNode} */ (nodeOrSourceCode); + sourceCode = /** @type {SourceCode} */ (optionalSourceCode); + if (!(times >= 1)) { + throw new TypeError("'times' should be a positive integer.") + } + } else { + times = 1; + node = /** @type {RuleNode} */ (timesOrNode); + sourceCode = /** @type {SourceCode} */ (nodeOrSourceCode); + } + + if ( + node == null || + // `Program` can't be parenthesized + node.parent == null || + // `CatchClause.param` can't be parenthesized, example `try {} catch (error) {}` + (node.parent.type === "CatchClause" && node.parent.param === node) + ) { + return false + } + + maybeLeftParen = maybeRightParen = node; + do { + maybeLeftParen = sourceCode.getTokenBefore(maybeLeftParen); + maybeRightParen = sourceCode.getTokenAfter(maybeRightParen); + } while ( + maybeLeftParen != null && + maybeRightParen != null && + isOpeningParenToken(maybeLeftParen) && + isClosingParenToken(maybeRightParen) && + // Avoid false positive such as `if (a) {}` + maybeLeftParen !== getParentSyntaxParen(node, sourceCode) && + --times > 0 + ) + + return times === 0 +} + +/** + * @author Toru Nagashima + * See LICENSE file in root directory for full license. + */ + +const placeholder = /\$(?:[$&`']|[1-9][0-9]?)/gu; + +/** @type {WeakMap} */ +const internal = new WeakMap(); + +/** + * Check whether a given character is escaped or not. + * @param {string} str The string to check. + * @param {number} index The location of the character to check. + * @returns {boolean} `true` if the character is escaped. + */ +function isEscaped(str, index) { + let escaped = false; + for (let i = index - 1; i >= 0 && str.charCodeAt(i) === 0x5c; --i) { + escaped = !escaped; + } + return escaped +} + +/** + * Replace a given string by a given matcher. + * @param {PatternMatcher} matcher The pattern matcher. + * @param {string} str The string to be replaced. + * @param {string} replacement The new substring to replace each matched part. + * @returns {string} The replaced string. + */ +function replaceS(matcher, str, replacement) { + const chunks = []; + let index = 0; + + /** + * @param {string} key The placeholder. + * @param {RegExpExecArray} match The matched information. + * @returns {string} The replaced string. + */ + function replacer(key, match) { + switch (key) { + case "$$": + return "$" + case "$&": + return match[0] + case "$`": + return str.slice(0, match.index) + case "$'": + return str.slice(match.index + match[0].length) + default: { + const i = key.slice(1); + if (i in match) { + return match[/** @type {any} */ (i)] + } + return key + } + } + } + + for (const match of matcher.execAll(str)) { + chunks.push(str.slice(index, match.index)); + chunks.push( + replacement.replace(placeholder, (key) => replacer(key, match)), + ); + index = match.index + match[0].length; + } + chunks.push(str.slice(index)); + + return chunks.join("") +} + +/** + * Replace a given string by a given matcher. + * @param {PatternMatcher} matcher The pattern matcher. + * @param {string} str The string to be replaced. + * @param {(substring: string, ...args: any[]) => string} replace The function to replace each matched part. + * @returns {string} The replaced string. + */ +function replaceF(matcher, str, replace) { + const chunks = []; + let index = 0; + + for (const match of matcher.execAll(str)) { + chunks.push(str.slice(index, match.index)); + chunks.push( + String( + replace( + .../** @type {[string, ...string[]]} */ ( + /** @type {string[]} */ (match) + ), + match.index, + match.input, + ), + ), + ); + index = match.index + match[0].length; + } + chunks.push(str.slice(index)); + + return chunks.join("") +} + +/** + * The class to find patterns as considering escape sequences. + */ +class PatternMatcher { + /** + * Initialize this matcher. + * @param {RegExp} pattern The pattern to match. + * @param {{escaped?:boolean}} [options] The options. + */ + constructor(pattern, options = {}) { + const { escaped = false } = options; + if (!(pattern instanceof RegExp)) { + throw new TypeError("'pattern' should be a RegExp instance.") + } + if (!pattern.flags.includes("g")) { + throw new Error("'pattern' should contains 'g' flag.") + } + + internal.set(this, { + pattern: new RegExp(pattern.source, pattern.flags), + escaped: Boolean(escaped), + }); + } + + /** + * Find the pattern in a given string. + * @param {string} str The string to find. + * @returns {IterableIterator} The iterator which iterate the matched information. + */ + *execAll(str) { + const { pattern, escaped } = + /** @type {{pattern:RegExp,escaped:boolean}} */ (internal.get(this)); + let match = null; + let lastIndex = 0; + + pattern.lastIndex = 0; + while ((match = pattern.exec(str)) != null) { + if (escaped || !isEscaped(str, match.index)) { + lastIndex = pattern.lastIndex; + yield match; + pattern.lastIndex = lastIndex; + } + } + } + + /** + * Check whether the pattern is found in a given string. + * @param {string} str The string to check. + * @returns {boolean} `true` if the pattern was found in the string. + */ + test(str) { + const it = this.execAll(str); + const ret = it.next(); + return !ret.done + } + + /** + * Replace a given string. + * @param {string} str The string to be replaced. + * @param {(string|((...strs:string[])=>string))} replacer The string or function to replace. This is the same as the 2nd argument of `String.prototype.replace`. + * @returns {string} The replaced string. + */ + [Symbol.replace](str, replacer) { + return typeof replacer === "function" + ? replaceF(this, String(str), replacer) + : replaceS(this, String(str), String(replacer)) + } +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("estree").Expression} Expression */ +/** @typedef {import("estree").Pattern} Pattern */ +/** @typedef {import("estree").Identifier} Identifier */ +/** @typedef {import("estree").SimpleCallExpression} CallExpression */ +/** @typedef {import("estree").Program} Program */ +/** @typedef {import("estree").ImportDeclaration} ImportDeclaration */ +/** @typedef {import("estree").ExportAllDeclaration} ExportAllDeclaration */ +/** @typedef {import("estree").ExportDefaultDeclaration} ExportDefaultDeclaration */ +/** @typedef {import("estree").ExportNamedDeclaration} ExportNamedDeclaration */ +/** @typedef {import("estree").ImportSpecifier} ImportSpecifier */ +/** @typedef {import("estree").ImportDefaultSpecifier} ImportDefaultSpecifier */ +/** @typedef {import("estree").ImportNamespaceSpecifier} ImportNamespaceSpecifier */ +/** @typedef {import("estree").ExportSpecifier} ExportSpecifier */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").AssignmentProperty} AssignmentProperty */ +/** @typedef {import("estree").Literal} Literal */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Node} TSESTreeNode */ +/** @typedef {import("./types.mjs").ReferenceTrackerOptions} ReferenceTrackerOptions */ +/** + * @template T + * @typedef {import("./types.mjs").TraceMap} TraceMap + */ +/** + * @template T + * @typedef {import("./types.mjs").TraceMapObject} TraceMapObject + */ +/** + * @template T + * @typedef {import("./types.mjs").TrackedReferences} TrackedReferences + */ + +const IMPORT_TYPE = /^(?:Import|Export(?:All|Default|Named))Declaration$/u; + +/** + * Check whether a given node is an import node or not. + * @param {Node} node + * @returns {node is ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration&{source: Literal}} `true` if the node is an import node. + */ +function isHasSource(node) { + return ( + IMPORT_TYPE.test(node.type) && + /** @type {ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration} */ ( + node + ).source != null + ) +} +const has = + /** @type {(traceMap: TraceMap, v: T) => v is (string extends T ? string : T)} */ ( + Function.call.bind(Object.hasOwnProperty) + ); + +const READ = Symbol("read"); +const CALL = Symbol("call"); +const CONSTRUCT = Symbol("construct"); +const ESM = Symbol("esm"); + +const requireCall = { require: { [CALL]: true } }; + +/** + * Check whether a given variable is modified or not. + * @param {Variable|undefined} variable The variable to check. + * @returns {boolean} `true` if the variable is modified. + */ +function isModifiedGlobal(variable) { + return ( + variable == null || + variable.defs.length !== 0 || + variable.references.some((r) => r.isWrite()) + ) +} + +/** + * Check if the value of a given node is passed through to the parent syntax as-is. + * For example, `a` and `b` in (`a || b` and `c ? a : b`) are passed through. + * @param {Node} node A node to check. + * @returns {node is RuleNode & {parent: Expression}} `true` if the node is passed through. + */ +function isPassThrough(node) { + const parent = /** @type {TSESTreeNode} */ (node).parent; + + if (parent) { + switch (parent.type) { + case "ConditionalExpression": + return parent.consequent === node || parent.alternate === node + case "LogicalExpression": + return true + case "SequenceExpression": + return ( + parent.expressions[parent.expressions.length - 1] === node + ) + case "ChainExpression": + return true + case "TSAsExpression": + case "TSSatisfiesExpression": + case "TSTypeAssertion": + case "TSNonNullExpression": + case "TSInstantiationExpression": + return true + + default: + return false + } + } + return false +} + +/** + * The reference tracker. + */ +class ReferenceTracker { + /** + * Initialize this tracker. + * @param {Scope} globalScope The global scope. + * @param {object} [options] The options. + * @param {"legacy"|"strict"} [options.mode="strict"] The mode to determine the ImportDeclaration's behavior for CJS modules. + * @param {string[]} [options.globalObjectNames=["global","globalThis","self","window"]] The variable names for Global Object. + */ + constructor(globalScope, options = {}) { + const { + mode = "strict", + globalObjectNames = ["global", "globalThis", "self", "window"], + } = options; + /** @private @type {Variable[]} */ + this.variableStack = []; + /** @private */ + this.globalScope = globalScope; + /** @private */ + this.mode = mode; + /** @private */ + this.globalObjectNames = globalObjectNames.slice(0); + } + + /** + * Iterate the references of global variables. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateGlobalReferences(traceMap) { + for (const key of Object.keys(traceMap)) { + const nextTraceMap = traceMap[key]; + const path = [key]; + const variable = this.globalScope.set.get(key); + + if (isModifiedGlobal(variable)) { + continue + } + + yield* this._iterateVariableReferences( + /** @type {Variable} */ (variable), + path, + nextTraceMap, + true, + ); + } + + for (const key of this.globalObjectNames) { + /** @type {string[]} */ + const path = []; + const variable = this.globalScope.set.get(key); + + if (isModifiedGlobal(variable)) { + continue + } + + yield* this._iterateVariableReferences( + /** @type {Variable} */ (variable), + path, + traceMap, + false, + ); + } + } + + /** + * Iterate the references of CommonJS modules. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateCjsReferences(traceMap) { + for (const { node } of this.iterateGlobalReferences(requireCall)) { + const key = getStringIfConstant( + /** @type {CallExpression} */ (node).arguments[0], + ); + if (key == null || !has(traceMap, key)) { + continue + } + + const nextTraceMap = traceMap[key]; + const path = [key]; + + if (nextTraceMap[READ]) { + yield { + node, + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iteratePropertyReferences( + /** @type {CallExpression} */ (node), + path, + nextTraceMap, + ); + } + } + + /** + * Iterate the references of ES modules. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateEsmReferences(traceMap) { + const programNode = /** @type {Program} */ (this.globalScope.block); + + for (const node of programNode.body) { + if (!isHasSource(node)) { + continue + } + const moduleId = /** @type {string} */ (node.source.value); + + if (!has(traceMap, moduleId)) { + continue + } + const nextTraceMap = traceMap[moduleId]; + const path = [moduleId]; + + if (nextTraceMap[READ]) { + yield { + // eslint-disable-next-line object-shorthand -- apply type + node: /** @type {RuleNode} */ (node), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + + if (node.type === "ExportAllDeclaration") { + for (const key of Object.keys(nextTraceMap)) { + const exportTraceMap = nextTraceMap[key]; + if (exportTraceMap[READ]) { + yield { + // eslint-disable-next-line object-shorthand -- apply type + node: /** @type {RuleNode} */ (node), + path: path.concat(key), + type: READ, + info: exportTraceMap[READ], + }; + } + } + } else { + for (const specifier of node.specifiers) { + const esm = has(nextTraceMap, ESM); + const it = this._iterateImportReferences( + specifier, + path, + esm + ? nextTraceMap + : this.mode === "legacy" + ? { default: nextTraceMap, ...nextTraceMap } + : { default: nextTraceMap }, + ); + + if (esm) { + yield* it; + } else { + for (const report of it) { + report.path = report.path.filter(exceptDefault); + if ( + report.path.length >= 2 || + report.type !== READ + ) { + yield report; + } + } + } + } + } + } + } + + /** + * Iterate the property references for a given expression AST node. + * @template T + * @param {Expression} node The expression AST node to iterate property references. + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate property references. + */ + *iteratePropertyReferences(node, traceMap) { + yield* this._iteratePropertyReferences(node, [], traceMap); + } + + /** + * Iterate the references for a given variable. + * @private + * @template T + * @param {Variable} variable The variable to iterate that references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @param {boolean} shouldReport = The flag to report those references. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateVariableReferences(variable, path, traceMap, shouldReport) { + if (this.variableStack.includes(variable)) { + return + } + this.variableStack.push(variable); + try { + for (const reference of variable.references) { + if (!reference.isRead()) { + continue + } + const node = /** @type {RuleNode & Identifier} */ ( + reference.identifier + ); + + if (shouldReport && traceMap[READ]) { + yield { node, path, type: READ, info: traceMap[READ] }; + } + yield* this._iteratePropertyReferences(node, path, traceMap); + } + } finally { + this.variableStack.pop(); + } + } + + /** + * Iterate the references for a given AST node. + * @private + * @template T + * @param {Expression} rootNode The AST node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + //eslint-disable-next-line complexity + *_iteratePropertyReferences(rootNode, path, traceMap) { + let node = rootNode; + while (isPassThrough(node)) { + node = node.parent; + } + + const parent = /** @type {RuleNode} */ (node).parent; + if (parent.type === "MemberExpression") { + if (parent.object === node) { + const key = getPropertyName(parent); + if (key == null || !has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: parent, + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iteratePropertyReferences( + parent, + path, + nextTraceMap, + ); + } + return + } + if (parent.type === "CallExpression") { + if (parent.callee === node && traceMap[CALL]) { + yield { node: parent, path, type: CALL, info: traceMap[CALL] }; + } + return + } + if (parent.type === "NewExpression") { + if (parent.callee === node && traceMap[CONSTRUCT]) { + yield { + node: parent, + path, + type: CONSTRUCT, + info: traceMap[CONSTRUCT], + }; + } + return + } + if (parent.type === "AssignmentExpression") { + if (parent.right === node) { + yield* this._iterateLhsReferences(parent.left, path, traceMap); + yield* this._iteratePropertyReferences(parent, path, traceMap); + } + return + } + if (parent.type === "AssignmentPattern") { + if (parent.right === node) { + yield* this._iterateLhsReferences(parent.left, path, traceMap); + } + return + } + if (parent.type === "VariableDeclarator") { + if (parent.init === node) { + yield* this._iterateLhsReferences(parent.id, path, traceMap); + } + } + } + + /** + * Iterate the references for a given Pattern node. + * @private + * @template T + * @param {Pattern} patternNode The Pattern node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateLhsReferences(patternNode, path, traceMap) { + if (patternNode.type === "Identifier") { + const variable = findVariable(this.globalScope, patternNode); + if (variable != null) { + yield* this._iterateVariableReferences( + variable, + path, + traceMap, + false, + ); + } + return + } + if (patternNode.type === "ObjectPattern") { + for (const property of patternNode.properties) { + const key = getPropertyName( + /** @type {AssignmentProperty} */ (property), + ); + + if (key == null || !has(traceMap, key)) { + continue + } + + const nextPath = path.concat(key); + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (property), + path: nextPath, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iterateLhsReferences( + /** @type {AssignmentProperty} */ (property).value, + nextPath, + nextTraceMap, + ); + } + return + } + if (patternNode.type === "AssignmentPattern") { + yield* this._iterateLhsReferences(patternNode.left, path, traceMap); + } + } + + /** + * Iterate the references for a given ModuleSpecifier node. + * @private + * @template T + * @param {ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier} specifierNode The ModuleSpecifier node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateImportReferences(specifierNode, path, traceMap) { + const type = specifierNode.type; + + if (type === "ImportSpecifier" || type === "ImportDefaultSpecifier") { + const key = + type === "ImportDefaultSpecifier" + ? "default" + : specifierNode.imported.type === "Identifier" + ? specifierNode.imported.name + : specifierNode.imported.value; + if (!has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (specifierNode), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iterateVariableReferences( + /** @type {Variable} */ ( + findVariable(this.globalScope, specifierNode.local) + ), + path, + nextTraceMap, + false, + ); + + return + } + + if (type === "ImportNamespaceSpecifier") { + yield* this._iterateVariableReferences( + /** @type {Variable} */ ( + findVariable(this.globalScope, specifierNode.local) + ), + path, + traceMap, + false, + ); + return + } + + if (type === "ExportSpecifier") { + const key = + specifierNode.local.type === "Identifier" + ? specifierNode.local.name + : specifierNode.local.value; + if (!has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (specifierNode), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + } + } +} + +ReferenceTracker.READ = READ; +ReferenceTracker.CALL = CALL; +ReferenceTracker.CONSTRUCT = CONSTRUCT; +ReferenceTracker.ESM = ESM; + +/** + * This is a predicate function for Array#filter. + * @param {string} name A name part. + * @param {number} index The index of the name. + * @returns {boolean} `false` if it's default. + */ +function exceptDefault(name, index) { + return !(index === 1 && name === "default") +} + +/** @typedef {import("./types.mjs").StaticValue} StaticValue */ + +var index = { + CALL, + CONSTRUCT, + ESM, + findVariable, + getFunctionHeadLocation, + getFunctionNameWithKind, + getInnermostScope, + getPropertyName, + getStaticValue, + getStringIfConstant, + hasSideEffect, + isArrowToken, + isClosingBraceToken, + isClosingBracketToken, + isClosingParenToken, + isColonToken, + isCommaToken, + isCommentToken, + isNotArrowToken, + isNotClosingBraceToken, + isNotClosingBracketToken, + isNotClosingParenToken, + isNotColonToken, + isNotCommaToken, + isNotCommentToken, + isNotOpeningBraceToken, + isNotOpeningBracketToken, + isNotOpeningParenToken, + isNotSemicolonToken, + isOpeningBraceToken, + isOpeningBracketToken, + isOpeningParenToken, + isParenthesized, + isSemicolonToken, + PatternMatcher, + READ, + ReferenceTracker, +}; + +export { CALL, CONSTRUCT, ESM, PatternMatcher, READ, ReferenceTracker, index as default, findVariable, getFunctionHeadLocation, getFunctionNameWithKind, getInnermostScope, getPropertyName, getStaticValue, getStringIfConstant, hasSideEffect, isArrowToken, isClosingBraceToken, isClosingBracketToken, isClosingParenToken, isColonToken, isCommaToken, isCommentToken, isNotArrowToken, isNotClosingBraceToken, isNotClosingBracketToken, isNotClosingParenToken, isNotColonToken, isNotCommaToken, isNotCommentToken, isNotOpeningBraceToken, isNotOpeningBracketToken, isNotOpeningParenToken, isNotSemicolonToken, isOpeningBraceToken, isOpeningBracketToken, isOpeningParenToken, isParenthesized, isSemicolonToken }; +//# sourceMappingURL=index.mjs.map diff --git a/module/node_modules/@eslint-community/eslint-utils/index.mjs.map b/module/node_modules/@eslint-community/eslint-utils/index.mjs.map new file mode 100644 index 000000000..58fb1a020 --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/index.mjs.map @@ -0,0 +1 @@ +{"version":3,"file":"index.mjs","sources":["src/get-innermost-scope.mjs","src/find-variable.mjs","src/token-predicate.mjs","src/get-function-head-location.mjs","src/get-static-value.mjs","src/get-string-if-constant.mjs","src/get-property-name.mjs","src/get-function-name-with-kind.mjs","src/has-side-effect.mjs","src/is-parenthesized.mjs","src/pattern-matcher.mjs","src/reference-tracker.mjs","src/index.mjs"],"sourcesContent":["/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").Node} Node */\n\n/**\n * Get the innermost scope which contains a given location.\n * @param {Scope} initialScope The initial scope to search.\n * @param {Node} node The location to search.\n * @returns {Scope} The innermost scope.\n */\nexport function getInnermostScope(initialScope, node) {\n const location = /** @type {[number, number]} */ (node.range)[0]\n\n let scope = initialScope\n let found = false\n do {\n found = false\n for (const childScope of scope.childScopes) {\n const range = /** @type {[number, number]} */ (\n childScope.block.range\n )\n\n if (range[0] <= location && location < range[1]) {\n scope = childScope\n found = true\n break\n }\n }\n } while (found)\n\n return scope\n}\n","import { getInnermostScope } from \"./get-innermost-scope.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Find the variable of a given name.\n * @param {Scope} initialScope The scope to start finding.\n * @param {string|Identifier} nameOrNode The variable name to find. If this is a Node object then it should be an Identifier node.\n * @returns {Variable|null} The found variable or null.\n */\nexport function findVariable(initialScope, nameOrNode) {\n let name = \"\"\n /** @type {Scope|null} */\n let scope = initialScope\n\n if (typeof nameOrNode === \"string\") {\n name = nameOrNode\n } else {\n name = nameOrNode.name\n scope = getInnermostScope(scope, nameOrNode)\n }\n\n while (scope != null) {\n const variable = scope.set.get(name)\n if (variable != null) {\n return variable\n }\n scope = scope.upper\n }\n\n return null\n}\n","/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"estree\").Comment} Comment */\n/** @typedef {import(\"./types.mjs\").ArrowToken} ArrowToken */\n/** @typedef {import(\"./types.mjs\").CommaToken} CommaToken */\n/** @typedef {import(\"./types.mjs\").SemicolonToken} SemicolonToken */\n/** @typedef {import(\"./types.mjs\").ColonToken} ColonToken */\n/** @typedef {import(\"./types.mjs\").OpeningParenToken} OpeningParenToken */\n/** @typedef {import(\"./types.mjs\").ClosingParenToken} ClosingParenToken */\n/** @typedef {import(\"./types.mjs\").OpeningBracketToken} OpeningBracketToken */\n/** @typedef {import(\"./types.mjs\").ClosingBracketToken} ClosingBracketToken */\n/** @typedef {import(\"./types.mjs\").OpeningBraceToken} OpeningBraceToken */\n/** @typedef {import(\"./types.mjs\").ClosingBraceToken} ClosingBraceToken */\n/**\n * @template {string} Value\n * @typedef {import(\"./types.mjs\").PunctuatorToken} PunctuatorToken\n */\n\n/** @typedef {Comment | Token} CommentOrToken */\n\n/**\n * Creates the negate function of the given function.\n * @param {function(CommentOrToken):boolean} f - The function to negate.\n * @returns {function(CommentOrToken):boolean} Negated function.\n */\nfunction negate(f) {\n return (token) => !f(token)\n}\n\n/**\n * Checks if the given token is a PunctuatorToken with the given value\n * @template {string} Value\n * @param {CommentOrToken} token - The token to check.\n * @param {Value} value - The value to check.\n * @returns {token is PunctuatorToken} `true` if the token is a PunctuatorToken with the given value.\n */\nfunction isPunctuatorTokenWithValue(token, value) {\n return token.type === \"Punctuator\" && token.value === value\n}\n\n/**\n * Checks if the given token is an arrow token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ArrowToken} `true` if the token is an arrow token.\n */\nexport function isArrowToken(token) {\n return isPunctuatorTokenWithValue(token, \"=>\")\n}\n\n/**\n * Checks if the given token is a comma token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is CommaToken} `true` if the token is a comma token.\n */\nexport function isCommaToken(token) {\n return isPunctuatorTokenWithValue(token, \",\")\n}\n\n/**\n * Checks if the given token is a semicolon token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is SemicolonToken} `true` if the token is a semicolon token.\n */\nexport function isSemicolonToken(token) {\n return isPunctuatorTokenWithValue(token, \";\")\n}\n\n/**\n * Checks if the given token is a colon token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ColonToken} `true` if the token is a colon token.\n */\nexport function isColonToken(token) {\n return isPunctuatorTokenWithValue(token, \":\")\n}\n\n/**\n * Checks if the given token is an opening parenthesis token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningParenToken} `true` if the token is an opening parenthesis token.\n */\nexport function isOpeningParenToken(token) {\n return isPunctuatorTokenWithValue(token, \"(\")\n}\n\n/**\n * Checks if the given token is a closing parenthesis token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingParenToken} `true` if the token is a closing parenthesis token.\n */\nexport function isClosingParenToken(token) {\n return isPunctuatorTokenWithValue(token, \")\")\n}\n\n/**\n * Checks if the given token is an opening square bracket token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningBracketToken} `true` if the token is an opening square bracket token.\n */\nexport function isOpeningBracketToken(token) {\n return isPunctuatorTokenWithValue(token, \"[\")\n}\n\n/**\n * Checks if the given token is a closing square bracket token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingBracketToken} `true` if the token is a closing square bracket token.\n */\nexport function isClosingBracketToken(token) {\n return isPunctuatorTokenWithValue(token, \"]\")\n}\n\n/**\n * Checks if the given token is an opening brace token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningBraceToken} `true` if the token is an opening brace token.\n */\nexport function isOpeningBraceToken(token) {\n return isPunctuatorTokenWithValue(token, \"{\")\n}\n\n/**\n * Checks if the given token is a closing brace token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingBraceToken} `true` if the token is a closing brace token.\n */\nexport function isClosingBraceToken(token) {\n return isPunctuatorTokenWithValue(token, \"}\")\n}\n\n/**\n * Checks if the given token is a comment token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is Comment} `true` if the token is a comment token.\n */\nexport function isCommentToken(token) {\n return [\"Block\", \"Line\", \"Shebang\"].includes(token.type)\n}\n\nexport const isNotArrowToken = negate(isArrowToken)\nexport const isNotCommaToken = negate(isCommaToken)\nexport const isNotSemicolonToken = negate(isSemicolonToken)\nexport const isNotColonToken = negate(isColonToken)\nexport const isNotOpeningParenToken = negate(isOpeningParenToken)\nexport const isNotClosingParenToken = negate(isClosingParenToken)\nexport const isNotOpeningBracketToken = negate(isOpeningBracketToken)\nexport const isNotClosingBracketToken = negate(isClosingBracketToken)\nexport const isNotOpeningBraceToken = negate(isOpeningBraceToken)\nexport const isNotClosingBraceToken = negate(isClosingBraceToken)\nexport const isNotCommentToken = negate(isCommentToken)\n","import { isArrowToken, isOpeningParenToken } from \"./token-predicate.mjs\"\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"estree\").Function} FunctionNode */\n/** @typedef {import(\"estree\").FunctionDeclaration} FunctionDeclaration */\n/** @typedef {import(\"estree\").FunctionExpression} FunctionExpression */\n/** @typedef {import(\"estree\").SourceLocation} SourceLocation */\n/** @typedef {import(\"estree\").Position} Position */\n\n/**\n * Get the `(` token of the given function node.\n * @param {FunctionExpression | FunctionDeclaration} node - The function node to get.\n * @param {SourceCode} sourceCode - The source code object to get tokens.\n * @returns {Token} `(` token.\n */\nfunction getOpeningParenOfParams(node, sourceCode) {\n return node.id\n ? /** @type {Token} */ (\n sourceCode.getTokenAfter(node.id, isOpeningParenToken)\n )\n : /** @type {Token} */ (\n sourceCode.getFirstToken(node, isOpeningParenToken)\n )\n}\n\n/**\n * Get the location of the given function node for reporting.\n * @param {FunctionNode} node - The function node to get.\n * @param {SourceCode} sourceCode - The source code object to get tokens.\n * @returns {SourceLocation|null} The location of the function node for reporting.\n */\nexport function getFunctionHeadLocation(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n\n /** @type {Position|null} */\n let start = null\n /** @type {Position|null} */\n let end = null\n\n if (node.type === \"ArrowFunctionExpression\") {\n const arrowToken = /** @type {Token} */ (\n sourceCode.getTokenBefore(node.body, isArrowToken)\n )\n\n start = arrowToken.loc.start\n end = arrowToken.loc.end\n } else if (\n parent.type === \"Property\" ||\n parent.type === \"MethodDefinition\" ||\n parent.type === \"PropertyDefinition\"\n ) {\n start = /** @type {SourceLocation} */ (parent.loc).start\n end = getOpeningParenOfParams(node, sourceCode).loc.start\n } else {\n start = /** @type {SourceLocation} */ (node.loc).start\n end = getOpeningParenOfParams(node, sourceCode).loc.start\n }\n\n return {\n start: { ...start },\n end: { ...end },\n }\n}\n","/* globals globalThis, global, self, window */\n\nimport { findVariable } from \"./find-variable.mjs\"\n/** @typedef {import(\"./types.mjs\").StaticValue} StaticValue */\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Node} TSESTreeNode */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.AST_NODE_TYPES} TSESTreeNodeTypes */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.MemberExpression} MemberExpression */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Property} Property */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.RegExpLiteral} RegExpLiteral */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.BigIntLiteral} BigIntLiteral */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Literal} Literal */\n\nconst globalObject =\n typeof globalThis !== \"undefined\"\n ? globalThis\n : // @ts-ignore\n typeof self !== \"undefined\"\n ? // @ts-ignore\n self\n : // @ts-ignore\n typeof window !== \"undefined\"\n ? // @ts-ignore\n window\n : typeof global !== \"undefined\"\n ? global\n : {}\n\nconst builtinNames = Object.freeze(\n new Set([\n \"Array\",\n \"ArrayBuffer\",\n \"BigInt\",\n \"BigInt64Array\",\n \"BigUint64Array\",\n \"Boolean\",\n \"DataView\",\n \"Date\",\n \"decodeURI\",\n \"decodeURIComponent\",\n \"encodeURI\",\n \"encodeURIComponent\",\n \"escape\",\n \"Float32Array\",\n \"Float64Array\",\n \"Function\",\n \"Infinity\",\n \"Int16Array\",\n \"Int32Array\",\n \"Int8Array\",\n \"isFinite\",\n \"isNaN\",\n \"isPrototypeOf\",\n \"JSON\",\n \"Map\",\n \"Math\",\n \"NaN\",\n \"Number\",\n \"Object\",\n \"parseFloat\",\n \"parseInt\",\n \"Promise\",\n \"Proxy\",\n \"Reflect\",\n \"RegExp\",\n \"Set\",\n \"String\",\n \"Symbol\",\n \"Uint16Array\",\n \"Uint32Array\",\n \"Uint8Array\",\n \"Uint8ClampedArray\",\n \"undefined\",\n \"unescape\",\n \"WeakMap\",\n \"WeakSet\",\n ]),\n)\nconst callAllowed = new Set(\n [\n Array.isArray,\n Array.of,\n Array.prototype.at,\n Array.prototype.concat,\n Array.prototype.entries,\n Array.prototype.every,\n Array.prototype.filter,\n Array.prototype.find,\n Array.prototype.findIndex,\n Array.prototype.flat,\n Array.prototype.includes,\n Array.prototype.indexOf,\n Array.prototype.join,\n Array.prototype.keys,\n Array.prototype.lastIndexOf,\n Array.prototype.slice,\n Array.prototype.some,\n Array.prototype.toString,\n Array.prototype.values,\n typeof BigInt === \"function\" ? BigInt : undefined,\n Boolean,\n Date,\n Date.parse,\n decodeURI,\n decodeURIComponent,\n encodeURI,\n encodeURIComponent,\n escape,\n isFinite,\n isNaN,\n // @ts-ignore\n isPrototypeOf,\n Map,\n Map.prototype.entries,\n Map.prototype.get,\n Map.prototype.has,\n Map.prototype.keys,\n Map.prototype.values,\n .../** @type {(keyof typeof Math)[]} */ (\n Object.getOwnPropertyNames(Math)\n )\n .filter((k) => k !== \"random\")\n .map((k) => Math[k])\n .filter((f) => typeof f === \"function\"),\n Number,\n Number.isFinite,\n Number.isNaN,\n Number.parseFloat,\n Number.parseInt,\n Number.prototype.toExponential,\n Number.prototype.toFixed,\n Number.prototype.toPrecision,\n Number.prototype.toString,\n Object,\n Object.entries,\n Object.is,\n Object.isExtensible,\n Object.isFrozen,\n Object.isSealed,\n Object.keys,\n Object.values,\n parseFloat,\n parseInt,\n RegExp,\n Set,\n Set.prototype.entries,\n Set.prototype.has,\n Set.prototype.keys,\n Set.prototype.values,\n String,\n String.fromCharCode,\n String.fromCodePoint,\n String.raw,\n String.prototype.at,\n String.prototype.charAt,\n String.prototype.charCodeAt,\n String.prototype.codePointAt,\n String.prototype.concat,\n String.prototype.endsWith,\n String.prototype.includes,\n String.prototype.indexOf,\n String.prototype.lastIndexOf,\n String.prototype.normalize,\n String.prototype.padEnd,\n String.prototype.padStart,\n String.prototype.slice,\n String.prototype.startsWith,\n String.prototype.substr,\n String.prototype.substring,\n String.prototype.toLowerCase,\n String.prototype.toString,\n String.prototype.toUpperCase,\n String.prototype.trim,\n String.prototype.trimEnd,\n String.prototype.trimLeft,\n String.prototype.trimRight,\n String.prototype.trimStart,\n Symbol.for,\n Symbol.keyFor,\n unescape,\n ].filter((f) => typeof f === \"function\"),\n)\nconst callPassThrough = new Set([\n Object.freeze,\n Object.preventExtensions,\n Object.seal,\n])\n\n/** @type {ReadonlyArray]>} */\nconst getterAllowed = [\n [Map, new Set([\"size\"])],\n [\n RegExp,\n new Set([\n \"dotAll\",\n \"flags\",\n \"global\",\n \"hasIndices\",\n \"ignoreCase\",\n \"multiline\",\n \"source\",\n \"sticky\",\n \"unicode\",\n ]),\n ],\n [Set, new Set([\"size\"])],\n]\n\n/**\n * Get the property descriptor.\n * @param {object} object The object to get.\n * @param {string|number|symbol} name The property name to get.\n */\nfunction getPropertyDescriptor(object, name) {\n let x = object\n while ((typeof x === \"object\" || typeof x === \"function\") && x !== null) {\n const d = Object.getOwnPropertyDescriptor(x, name)\n if (d) {\n return d\n }\n x = Object.getPrototypeOf(x)\n }\n return null\n}\n\n/**\n * Check if a property is getter or not.\n * @param {object} object The object to check.\n * @param {string|number|symbol} name The property name to check.\n */\nfunction isGetter(object, name) {\n const d = getPropertyDescriptor(object, name)\n return d != null && d.get != null\n}\n\n/**\n * Get the element values of a given node list.\n * @param {(Node|TSESTreeNode|null)[]} nodeList The node list to get values.\n * @param {Scope|undefined|null} initialScope The initial scope to find variables.\n * @returns {any[]|null} The value list if all nodes are constant. Otherwise, null.\n */\nfunction getElementValues(nodeList, initialScope) {\n const valueList = []\n\n for (let i = 0; i < nodeList.length; ++i) {\n const elementNode = nodeList[i]\n\n if (elementNode == null) {\n valueList.length = i + 1\n } else if (elementNode.type === \"SpreadElement\") {\n const argument = getStaticValueR(elementNode.argument, initialScope)\n if (argument == null) {\n return null\n }\n valueList.push(.../** @type {Iterable} */ (argument.value))\n } else {\n const element = getStaticValueR(elementNode, initialScope)\n if (element == null) {\n return null\n }\n valueList.push(element.value)\n }\n }\n\n return valueList\n}\n\n/**\n * Checks if a variable is a built-in global.\n * @param {Variable|null} variable The variable to check.\n * @returns {variable is Variable & {defs:[]}}\n */\nfunction isBuiltinGlobal(variable) {\n return (\n variable != null &&\n variable.defs.length === 0 &&\n builtinNames.has(variable.name) &&\n variable.name in globalObject\n )\n}\n\n/**\n * Checks if a variable can be considered as a constant.\n * @param {Variable} variable\n * @returns {variable is Variable & {defs: [import(\"eslint\").Scope.Definition & { type: \"Variable\" }]}} True if the variable can be considered as a constant.\n */\nfunction canBeConsideredConst(variable) {\n if (variable.defs.length !== 1) {\n return false\n }\n const def = variable.defs[0]\n return Boolean(\n def.parent &&\n def.type === \"Variable\" &&\n (def.parent.kind === \"const\" || isEffectivelyConst(variable)),\n )\n}\n\n/**\n * Returns whether the given variable is never written to after initialization.\n * @param {Variable} variable\n * @returns {boolean}\n */\nfunction isEffectivelyConst(variable) {\n const refs = variable.references\n\n const inits = refs.filter((r) => r.init).length\n const reads = refs.filter((r) => r.isReadOnly()).length\n if (inits === 1 && reads + inits === refs.length) {\n // there is only one init and all other references only read\n return true\n }\n return false\n}\n\n/**\n * Checks if a variable has mutation in its property.\n * @param {Variable} variable The variable to check.\n * @param {Scope|null} initialScope The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {boolean} True if the variable has mutation in its property.\n */\nfunction hasMutationInProperty(variable, initialScope) {\n for (const ref of variable.references) {\n let node = /** @type {TSESTreeNode} */ (ref.identifier)\n while (node && node.parent && node.parent.type === \"MemberExpression\") {\n node = node.parent\n }\n if (!node || !node.parent) {\n continue\n }\n if (\n (node.parent.type === \"AssignmentExpression\" &&\n node.parent.left === node) ||\n (node.parent.type === \"UpdateExpression\" &&\n node.parent.argument === node)\n ) {\n // This is a mutation.\n return true\n }\n if (\n node.parent.type === \"CallExpression\" &&\n node.parent.callee === node &&\n node.type === \"MemberExpression\"\n ) {\n const methodName = getStaticPropertyNameValue(node, initialScope)\n if (isNameOfMutationArrayMethod(methodName)) {\n // This is a mutation.\n return true\n }\n }\n }\n return false\n\n /**\n * Checks if a method name is one of the mutation array methods.\n * @param {StaticValue|null} methodName The method name to check.\n * @returns {boolean} True if the method name is a mutation array method.\n */\n function isNameOfMutationArrayMethod(methodName) {\n if (methodName == null || methodName.value == null) {\n return false\n }\n const name = methodName.value\n return (\n name === \"copyWithin\" ||\n name === \"fill\" ||\n name === \"pop\" ||\n name === \"push\" ||\n name === \"reverse\" ||\n name === \"shift\" ||\n name === \"sort\" ||\n name === \"splice\" ||\n name === \"unshift\"\n )\n }\n}\n\n/**\n * @template {TSESTreeNodeTypes} T\n * @callback VisitorCallback\n * @param {TSESTreeNode & { type: T }} node\n * @param {Scope|undefined|null} initialScope\n * @returns {StaticValue | null}\n */\n/**\n * @typedef { { [K in TSESTreeNodeTypes]?: VisitorCallback } } Operations\n */\n/**\n * @type {Operations}\n */\nconst operations = Object.freeze({\n ArrayExpression(node, initialScope) {\n const elements = getElementValues(node.elements, initialScope)\n return elements != null ? { value: elements } : null\n },\n\n AssignmentExpression(node, initialScope) {\n if (node.operator === \"=\") {\n return getStaticValueR(node.right, initialScope)\n }\n return null\n },\n\n //eslint-disable-next-line complexity\n BinaryExpression(node, initialScope) {\n if (node.operator === \"in\" || node.operator === \"instanceof\") {\n // Not supported.\n return null\n }\n\n const left = getStaticValueR(node.left, initialScope)\n const right = getStaticValueR(node.right, initialScope)\n if (left != null && right != null) {\n switch (node.operator) {\n case \"==\":\n return { value: left.value == right.value } //eslint-disable-line eqeqeq\n case \"!=\":\n return { value: left.value != right.value } //eslint-disable-line eqeqeq\n case \"===\":\n return { value: left.value === right.value }\n case \"!==\":\n return { value: left.value !== right.value }\n case \"<\":\n return {\n value:\n /** @type {any} */ (left.value) <\n /** @type {any} */ (right.value),\n }\n case \"<=\":\n return {\n value:\n /** @type {any} */ (left.value) <=\n /** @type {any} */ (right.value),\n }\n case \">\":\n return {\n value:\n /** @type {any} */ (left.value) >\n /** @type {any} */ (right.value),\n }\n case \">=\":\n return {\n value:\n /** @type {any} */ (left.value) >=\n /** @type {any} */ (right.value),\n }\n case \"<<\":\n return {\n value:\n /** @type {any} */ (left.value) <<\n /** @type {any} */ (right.value),\n }\n case \">>\":\n return {\n value:\n /** @type {any} */ (left.value) >>\n /** @type {any} */ (right.value),\n }\n case \">>>\":\n return {\n value:\n /** @type {any} */ (left.value) >>>\n /** @type {any} */ (right.value),\n }\n case \"+\":\n return {\n value:\n /** @type {any} */ (left.value) +\n /** @type {any} */ (right.value),\n }\n case \"-\":\n return {\n value:\n /** @type {any} */ (left.value) -\n /** @type {any} */ (right.value),\n }\n case \"*\":\n return {\n value:\n /** @type {any} */ (left.value) *\n /** @type {any} */ (right.value),\n }\n case \"/\":\n return {\n value:\n /** @type {any} */ (left.value) /\n /** @type {any} */ (right.value),\n }\n case \"%\":\n return {\n value:\n /** @type {any} */ (left.value) %\n /** @type {any} */ (right.value),\n }\n case \"**\":\n return {\n value:\n /** @type {any} */ (left.value) **\n /** @type {any} */ (right.value),\n }\n case \"|\":\n return {\n value:\n /** @type {any} */ (left.value) |\n /** @type {any} */ (right.value),\n }\n case \"^\":\n return {\n value:\n /** @type {any} */ (left.value) ^\n /** @type {any} */ (right.value),\n }\n case \"&\":\n return {\n value:\n /** @type {any} */ (left.value) &\n /** @type {any} */ (right.value),\n }\n\n // no default\n }\n }\n\n return null\n },\n\n CallExpression(node, initialScope) {\n const calleeNode = node.callee\n const args = getElementValues(node.arguments, initialScope)\n\n if (args != null) {\n if (calleeNode.type === \"MemberExpression\") {\n if (calleeNode.property.type === \"PrivateIdentifier\") {\n return null\n }\n const object = getStaticValueR(calleeNode.object, initialScope)\n if (object != null) {\n if (\n object.value == null &&\n (object.optional || node.optional)\n ) {\n return { value: undefined, optional: true }\n }\n const property = getStaticPropertyNameValue(\n calleeNode,\n initialScope,\n )\n\n if (property != null) {\n const receiver =\n /** @type {Record any>} */ (\n object.value\n )\n const methodName = /** @type {PropertyKey} */ (\n property.value\n )\n if (callAllowed.has(receiver[methodName])) {\n return {\n value: receiver[methodName](...args),\n }\n }\n if (callPassThrough.has(receiver[methodName])) {\n return { value: args[0] }\n }\n }\n }\n } else {\n const callee = getStaticValueR(calleeNode, initialScope)\n if (callee != null) {\n if (callee.value == null && node.optional) {\n return { value: undefined, optional: true }\n }\n const func = /** @type {(...args: any[]) => any} */ (\n callee.value\n )\n if (callAllowed.has(func)) {\n return { value: func(...args) }\n }\n if (callPassThrough.has(func)) {\n return { value: args[0] }\n }\n }\n }\n }\n\n return null\n },\n\n ConditionalExpression(node, initialScope) {\n const test = getStaticValueR(node.test, initialScope)\n if (test != null) {\n return test.value\n ? getStaticValueR(node.consequent, initialScope)\n : getStaticValueR(node.alternate, initialScope)\n }\n return null\n },\n\n ExpressionStatement(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n\n Identifier(node, initialScope) {\n if (initialScope != null) {\n const variable = findVariable(initialScope, node)\n\n if (variable != null) {\n // Built-in globals.\n if (isBuiltinGlobal(variable)) {\n return { value: globalObject[variable.name] }\n }\n\n // Constants.\n if (canBeConsideredConst(variable)) {\n const def = variable.defs[0]\n if (\n // TODO(mysticatea): don't support destructuring here.\n def.node.id.type === \"Identifier\"\n ) {\n const init = getStaticValueR(\n def.node.init,\n initialScope,\n )\n if (\n init &&\n typeof init.value === \"object\" &&\n init.value !== null\n ) {\n if (hasMutationInProperty(variable, initialScope)) {\n // This variable has mutation in its property.\n return null\n }\n }\n return init\n }\n }\n }\n }\n return null\n },\n\n Literal(node) {\n const literal =\n /** @type {Partial & Partial & Partial} */ (\n node\n )\n //istanbul ignore if : this is implementation-specific behavior.\n if (\n (literal.regex != null || literal.bigint != null) &&\n literal.value == null\n ) {\n // It was a RegExp/BigInt literal, but Node.js didn't support it.\n return null\n }\n return { value: literal.value }\n },\n\n LogicalExpression(node, initialScope) {\n const left = getStaticValueR(node.left, initialScope)\n if (left != null) {\n if (\n (node.operator === \"||\" && Boolean(left.value) === true) ||\n (node.operator === \"&&\" && Boolean(left.value) === false) ||\n (node.operator === \"??\" && left.value != null)\n ) {\n return left\n }\n\n const right = getStaticValueR(node.right, initialScope)\n if (right != null) {\n return right\n }\n }\n\n return null\n },\n\n MemberExpression(node, initialScope) {\n if (node.property.type === \"PrivateIdentifier\") {\n return null\n }\n const object = getStaticValueR(node.object, initialScope)\n if (object != null) {\n if (object.value == null && (object.optional || node.optional)) {\n return { value: undefined, optional: true }\n }\n const property = getStaticPropertyNameValue(node, initialScope)\n\n if (property != null) {\n if (\n !isGetter(\n /** @type {object} */ (object.value),\n /** @type {PropertyKey} */ (property.value),\n )\n ) {\n return {\n value: /** @type {Record} */ (\n object.value\n )[/** @type {PropertyKey} */ (property.value)],\n }\n }\n\n for (const [classFn, allowed] of getterAllowed) {\n if (\n object.value instanceof classFn &&\n allowed.has(/** @type {string} */ (property.value))\n ) {\n return {\n value: /** @type {Record} */ (\n object.value\n )[/** @type {PropertyKey} */ (property.value)],\n }\n }\n }\n }\n }\n return null\n },\n\n ChainExpression(node, initialScope) {\n const expression = getStaticValueR(node.expression, initialScope)\n if (expression != null) {\n return { value: expression.value }\n }\n return null\n },\n\n NewExpression(node, initialScope) {\n const callee = getStaticValueR(node.callee, initialScope)\n const args = getElementValues(node.arguments, initialScope)\n\n if (callee != null && args != null) {\n const Func = /** @type {new (...args: any[]) => any} */ (\n callee.value\n )\n if (callAllowed.has(Func)) {\n return { value: new Func(...args) }\n }\n }\n\n return null\n },\n\n ObjectExpression(node, initialScope) {\n /** @type {Record} */\n const object = {}\n\n for (const propertyNode of node.properties) {\n if (propertyNode.type === \"Property\") {\n if (propertyNode.kind !== \"init\") {\n return null\n }\n const key = getStaticPropertyNameValue(\n propertyNode,\n initialScope,\n )\n const value = getStaticValueR(propertyNode.value, initialScope)\n if (key == null || value == null) {\n return null\n }\n object[/** @type {PropertyKey} */ (key.value)] = value.value\n } else if (\n propertyNode.type === \"SpreadElement\" ||\n // @ts-expect-error -- Backward compatibility\n propertyNode.type === \"ExperimentalSpreadProperty\"\n ) {\n const argument = getStaticValueR(\n propertyNode.argument,\n initialScope,\n )\n if (argument == null) {\n return null\n }\n Object.assign(object, argument.value)\n } else {\n return null\n }\n }\n\n return { value: object }\n },\n\n SequenceExpression(node, initialScope) {\n const last = node.expressions[node.expressions.length - 1]\n return getStaticValueR(last, initialScope)\n },\n\n TaggedTemplateExpression(node, initialScope) {\n const tag = getStaticValueR(node.tag, initialScope)\n const expressions = getElementValues(\n node.quasi.expressions,\n initialScope,\n )\n\n if (tag != null && expressions != null) {\n const func = /** @type {(...args: any[]) => any} */ (tag.value)\n /** @type {any[] & { raw?: string[] }} */\n const strings = node.quasi.quasis.map((q) => q.value.cooked)\n strings.raw = node.quasi.quasis.map((q) => q.value.raw)\n\n if (func === String.raw) {\n return { value: func(strings, ...expressions) }\n }\n }\n\n return null\n },\n\n TemplateLiteral(node, initialScope) {\n const expressions = getElementValues(node.expressions, initialScope)\n if (expressions != null) {\n let value = node.quasis[0].value.cooked\n for (let i = 0; i < expressions.length; ++i) {\n value += expressions[i]\n value += /** @type {string} */ (node.quasis[i + 1].value.cooked)\n }\n return { value }\n }\n return null\n },\n\n UnaryExpression(node, initialScope) {\n if (node.operator === \"delete\") {\n // Not supported.\n return null\n }\n if (node.operator === \"void\") {\n return { value: undefined }\n }\n\n const arg = getStaticValueR(node.argument, initialScope)\n if (arg != null) {\n switch (node.operator) {\n case \"-\":\n return { value: -(/** @type {any} */ (arg.value)) }\n case \"+\":\n return { value: +(/** @type {any} */ (arg.value)) } //eslint-disable-line no-implicit-coercion\n case \"!\":\n return { value: !arg.value }\n case \"~\":\n return { value: ~(/** @type {any} */ (arg.value)) }\n case \"typeof\":\n return { value: typeof arg.value }\n\n // no default\n }\n }\n\n return null\n },\n TSAsExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSSatisfiesExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSTypeAssertion(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSNonNullExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSInstantiationExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n})\n\n/**\n * Get the value of a given node if it's a static value.\n * @param {Node|TSESTreeNode|null|undefined} node The node to get.\n * @param {Scope|undefined|null} initialScope The scope to start finding variable.\n * @returns {StaticValue|null} The static value of the node, or `null`.\n */\nfunction getStaticValueR(node, initialScope) {\n if (node != null && Object.hasOwnProperty.call(operations, node.type)) {\n return /** @type {VisitorCallback} */ (operations[node.type])(\n /** @type {TSESTreeNode} */ (node),\n initialScope,\n )\n }\n return null\n}\n\n/**\n * Get the static value of property name from a MemberExpression node or a Property node.\n * @param {MemberExpression|Property} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {StaticValue|null} The static value of the property name of the node, or `null`.\n */\nfunction getStaticPropertyNameValue(node, initialScope) {\n const nameNode = node.type === \"Property\" ? node.key : node.property\n\n if (node.computed) {\n return getStaticValueR(nameNode, initialScope)\n }\n\n if (nameNode.type === \"Identifier\") {\n return { value: nameNode.name }\n }\n\n if (nameNode.type === \"Literal\") {\n if (/** @type {Partial} */ (nameNode).bigint) {\n return { value: /** @type {BigIntLiteral} */ (nameNode).bigint }\n }\n return { value: String(nameNode.value) }\n }\n\n return null\n}\n\n/**\n * Get the value of a given node if it's a static value.\n * @param {Node} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If this scope was given, this tries to resolve identifier references which are in the given node as much as possible.\n * @returns {StaticValue | null} The static value of the node, or `null`.\n */\nexport function getStaticValue(node, initialScope = null) {\n try {\n return getStaticValueR(node, initialScope)\n } catch (_error) {\n return null\n }\n}\n","import { getStaticValue } from \"./get-static-value.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"estree\").RegExpLiteral} RegExpLiteral */\n/** @typedef {import(\"estree\").BigIntLiteral} BigIntLiteral */\n/** @typedef {import(\"estree\").SimpleLiteral} SimpleLiteral */\n\n/**\n * Get the value of a given node if it's a literal or a template literal.\n * @param {Node} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is an Identifier node and this scope was given, this checks the variable of the identifier, and returns the value of it if the variable is a constant.\n * @returns {string|null} The value of the node, or `null`.\n */\nexport function getStringIfConstant(node, initialScope = null) {\n // Handle the literals that the platform doesn't support natively.\n if (node && node.type === \"Literal\" && node.value === null) {\n const literal =\n /** @type {Partial & Partial & Partial} */ (\n node\n )\n if (literal.regex) {\n return `/${literal.regex.pattern}/${literal.regex.flags}`\n }\n if (literal.bigint) {\n return literal.bigint\n }\n }\n\n const evaluated = getStaticValue(node, initialScope)\n\n if (evaluated) {\n // `String(Symbol.prototype)` throws error\n try {\n return String(evaluated.value)\n } catch {\n // No op\n }\n }\n\n return null\n}\n","import { getStringIfConstant } from \"./get-string-if-constant.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").MemberExpression} MemberExpression */\n/** @typedef {import(\"estree\").MethodDefinition} MethodDefinition */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").PropertyDefinition} PropertyDefinition */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Get the property name from a MemberExpression node or a Property node.\n * @param {MemberExpression | MethodDefinition | Property | PropertyDefinition} node The node to get.\n * @param {Scope} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {string|null|undefined} The property name of the node.\n */\nexport function getPropertyName(node, initialScope) {\n switch (node.type) {\n case \"MemberExpression\":\n if (node.computed) {\n return getStringIfConstant(node.property, initialScope)\n }\n if (node.property.type === \"PrivateIdentifier\") {\n return null\n }\n return /** @type {Partial} */ (node.property).name\n\n case \"Property\":\n case \"MethodDefinition\":\n case \"PropertyDefinition\":\n if (node.computed) {\n return getStringIfConstant(node.key, initialScope)\n }\n if (node.key.type === \"Literal\") {\n return String(node.key.value)\n }\n if (node.key.type === \"PrivateIdentifier\") {\n return null\n }\n return /** @type {Partial} */ (node.key).name\n\n default:\n break\n }\n\n return null\n}\n","import { getPropertyName } from \"./get-property-name.mjs\"\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"estree\").Function} FunctionNode */\n/** @typedef {import(\"estree\").FunctionDeclaration} FunctionDeclaration */\n/** @typedef {import(\"estree\").FunctionExpression} FunctionExpression */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Get the name and kind of the given function node.\n * @param {FunctionNode} node - The function node to get.\n * @param {SourceCode} [sourceCode] The source code object to get the code of computed property keys.\n * @returns {string} The name and kind of the function node.\n */\n// eslint-disable-next-line complexity\nexport function getFunctionNameWithKind(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n const tokens = []\n const isObjectMethod = parent.type === \"Property\" && parent.value === node\n const isClassMethod =\n parent.type === \"MethodDefinition\" && parent.value === node\n const isClassFieldMethod =\n parent.type === \"PropertyDefinition\" && parent.value === node\n\n // Modifiers.\n if (isClassMethod || isClassFieldMethod) {\n if (parent.static) {\n tokens.push(\"static\")\n }\n if (parent.key.type === \"PrivateIdentifier\") {\n tokens.push(\"private\")\n }\n }\n if (node.async) {\n tokens.push(\"async\")\n }\n if (node.generator) {\n tokens.push(\"generator\")\n }\n\n // Kinds.\n if (isObjectMethod || isClassMethod) {\n if (parent.kind === \"constructor\") {\n return \"constructor\"\n }\n if (parent.kind === \"get\") {\n tokens.push(\"getter\")\n } else if (parent.kind === \"set\") {\n tokens.push(\"setter\")\n } else {\n tokens.push(\"method\")\n }\n } else if (isClassFieldMethod) {\n tokens.push(\"method\")\n } else {\n if (node.type === \"ArrowFunctionExpression\") {\n tokens.push(\"arrow\")\n }\n tokens.push(\"function\")\n }\n\n // Names.\n if (isObjectMethod || isClassMethod || isClassFieldMethod) {\n if (parent.key.type === \"PrivateIdentifier\") {\n tokens.push(`#${parent.key.name}`)\n } else {\n const name = getPropertyName(parent)\n if (name) {\n tokens.push(`'${name}'`)\n } else if (sourceCode) {\n const keyText = sourceCode.getText(parent.key)\n if (!keyText.includes(\"\\n\")) {\n tokens.push(`[${keyText}]`)\n }\n }\n }\n } else if (hasId(node)) {\n tokens.push(`'${node.id.name}'`)\n } else if (\n parent.type === \"VariableDeclarator\" &&\n parent.id &&\n parent.id.type === \"Identifier\"\n ) {\n tokens.push(`'${parent.id.name}'`)\n } else if (\n (parent.type === \"AssignmentExpression\" ||\n parent.type === \"AssignmentPattern\") &&\n parent.left &&\n parent.left.type === \"Identifier\"\n ) {\n tokens.push(`'${parent.left.name}'`)\n } else if (\n parent.type === \"ExportDefaultDeclaration\" &&\n parent.declaration === node\n ) {\n tokens.push(\"'default'\")\n }\n\n return tokens.join(\" \")\n}\n\n/**\n * @param {FunctionNode} node\n * @returns {node is FunctionDeclaration | FunctionExpression & { id: Identifier }}\n */\nfunction hasId(node) {\n return Boolean(\n /** @type {Partial} */ (node)\n .id,\n )\n}\n","import { getKeys, KEYS } from \"eslint-visitor-keys\"\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"./types.mjs\").HasSideEffectOptions} HasSideEffectOptions */\n/** @typedef {import(\"estree\").BinaryExpression} BinaryExpression */\n/** @typedef {import(\"estree\").MemberExpression} MemberExpression */\n/** @typedef {import(\"estree\").MethodDefinition} MethodDefinition */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").PropertyDefinition} PropertyDefinition */\n/** @typedef {import(\"estree\").UnaryExpression} UnaryExpression */\n\nconst typeConversionBinaryOps = Object.freeze(\n new Set([\n \"==\",\n \"!=\",\n \"<\",\n \"<=\",\n \">\",\n \">=\",\n \"<<\",\n \">>\",\n \">>>\",\n \"+\",\n \"-\",\n \"*\",\n \"/\",\n \"%\",\n \"|\",\n \"^\",\n \"&\",\n \"in\",\n ]),\n)\nconst typeConversionUnaryOps = Object.freeze(new Set([\"-\", \"+\", \"!\", \"~\"]))\n\n/**\n * Check whether the given value is an ASTNode or not.\n * @param {any} x The value to check.\n * @returns {x is Node} `true` if the value is an ASTNode.\n */\nfunction isNode(x) {\n return x !== null && typeof x === \"object\" && typeof x.type === \"string\"\n}\n\nconst visitor = Object.freeze(\n Object.assign(Object.create(null), {\n /**\n * @param {Node} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n $visit(node, options, visitorKeys) {\n const { type } = node\n\n if (typeof (/** @type {any} */ (this)[type]) === \"function\") {\n return /** @type {any} */ (this)[type](\n node,\n options,\n visitorKeys,\n )\n }\n\n return this.$visitChildren(node, options, visitorKeys)\n },\n\n /**\n * @param {Node} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n $visitChildren(node, options, visitorKeys) {\n const { type } = node\n\n for (const key of /** @type {(keyof Node)[]} */ (\n visitorKeys[type] || getKeys(node)\n )) {\n const value = node[key]\n\n if (Array.isArray(value)) {\n for (const element of value) {\n if (\n isNode(element) &&\n this.$visit(element, options, visitorKeys)\n ) {\n return true\n }\n }\n } else if (\n isNode(value) &&\n this.$visit(value, options, visitorKeys)\n ) {\n return true\n }\n }\n\n return false\n },\n\n ArrowFunctionExpression() {\n return false\n },\n AssignmentExpression() {\n return true\n },\n AwaitExpression() {\n return true\n },\n /**\n * @param {BinaryExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n BinaryExpression(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n typeConversionBinaryOps.has(node.operator) &&\n (node.left.type !== \"Literal\" || node.right.type !== \"Literal\")\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n CallExpression() {\n return true\n },\n FunctionExpression() {\n return false\n },\n ImportExpression() {\n return true\n },\n /**\n * @param {MemberExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n MemberExpression(node, options, visitorKeys) {\n if (options.considerGetters) {\n return true\n }\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.property.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {MethodDefinition} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n MethodDefinition(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n NewExpression() {\n return true\n },\n /**\n * @param {Property} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n Property(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {PropertyDefinition} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n PropertyDefinition(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {UnaryExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n UnaryExpression(node, options, visitorKeys) {\n if (node.operator === \"delete\") {\n return true\n }\n if (\n options.considerImplicitTypeConversion &&\n typeConversionUnaryOps.has(node.operator) &&\n node.argument.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n UpdateExpression() {\n return true\n },\n YieldExpression() {\n return true\n },\n }),\n)\n\n/**\n * Check whether a given node has any side effect or not.\n * @param {Node} node The node to get.\n * @param {SourceCode} sourceCode The source code object.\n * @param {HasSideEffectOptions} [options] The option object.\n * @returns {boolean} `true` if the node has a certain side effect.\n */\nexport function hasSideEffect(node, sourceCode, options = {}) {\n const { considerGetters = false, considerImplicitTypeConversion = false } =\n options\n return visitor.$visit(\n node,\n { considerGetters, considerImplicitTypeConversion },\n sourceCode.visitorKeys || KEYS,\n )\n}\n","import { isClosingParenToken, isOpeningParenToken } from \"./token-predicate.mjs\"\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.NewExpression} TSNewExpression */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.CallExpression} TSCallExpression */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n\n/**\n * Get the left parenthesis of the parent node syntax if it exists.\n * E.g., `if (a) {}` then the `(`.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {Token|null} The left parenthesis of the parent node syntax\n */\n// eslint-disable-next-line complexity\nfunction getParentSyntaxParen(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n\n switch (parent.type) {\n case \"CallExpression\":\n case \"NewExpression\":\n if (parent.arguments.length === 1 && parent.arguments[0] === node) {\n return sourceCode.getTokenAfter(\n // @ts-expect-error https://github.com/typescript-eslint/typescript-eslint/pull/5384\n parent.typeArguments ||\n /** @type {RuleNode} */ (\n /** @type {unknown} */ (\n /** @type {TSNewExpression | TSCallExpression} */ (\n parent\n ).typeParameters\n )\n ) ||\n parent.callee,\n isOpeningParenToken,\n )\n }\n return null\n\n case \"DoWhileStatement\":\n if (parent.test === node) {\n return sourceCode.getTokenAfter(\n parent.body,\n isOpeningParenToken,\n )\n }\n return null\n\n case \"IfStatement\":\n case \"WhileStatement\":\n if (parent.test === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"ImportExpression\":\n if (parent.source === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"SwitchStatement\":\n if (parent.discriminant === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"WithStatement\":\n if (parent.object === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n default:\n return null\n }\n}\n\n/**\n * Check whether a given node is parenthesized or not.\n * @param {number} times The number of parantheses.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {boolean} `true` if the node is parenthesized the given times.\n */\n/**\n * Check whether a given node is parenthesized or not.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {boolean} `true` if the node is parenthesized.\n */\n/**\n * Check whether a given node is parenthesized or not.\n * @param {Node|number} timesOrNode The first parameter.\n * @param {Node|SourceCode} nodeOrSourceCode The second parameter.\n * @param {SourceCode} [optionalSourceCode] The third parameter.\n * @returns {boolean} `true` if the node is parenthesized.\n */\nexport function isParenthesized(\n timesOrNode,\n nodeOrSourceCode,\n optionalSourceCode,\n) {\n /** @type {number} */\n let times,\n /** @type {RuleNode} */\n node,\n /** @type {SourceCode} */\n sourceCode,\n maybeLeftParen,\n maybeRightParen\n if (typeof timesOrNode === \"number\") {\n times = timesOrNode | 0\n node = /** @type {RuleNode} */ (nodeOrSourceCode)\n sourceCode = /** @type {SourceCode} */ (optionalSourceCode)\n if (!(times >= 1)) {\n throw new TypeError(\"'times' should be a positive integer.\")\n }\n } else {\n times = 1\n node = /** @type {RuleNode} */ (timesOrNode)\n sourceCode = /** @type {SourceCode} */ (nodeOrSourceCode)\n }\n\n if (\n node == null ||\n // `Program` can't be parenthesized\n node.parent == null ||\n // `CatchClause.param` can't be parenthesized, example `try {} catch (error) {}`\n (node.parent.type === \"CatchClause\" && node.parent.param === node)\n ) {\n return false\n }\n\n maybeLeftParen = maybeRightParen = node\n do {\n maybeLeftParen = sourceCode.getTokenBefore(maybeLeftParen)\n maybeRightParen = sourceCode.getTokenAfter(maybeRightParen)\n } while (\n maybeLeftParen != null &&\n maybeRightParen != null &&\n isOpeningParenToken(maybeLeftParen) &&\n isClosingParenToken(maybeRightParen) &&\n // Avoid false positive such as `if (a) {}`\n maybeLeftParen !== getParentSyntaxParen(node, sourceCode) &&\n --times > 0\n )\n\n return times === 0\n}\n","/**\n * @author Toru Nagashima \n * See LICENSE file in root directory for full license.\n */\n\nconst placeholder = /\\$(?:[$&`']|[1-9][0-9]?)/gu\n\n/** @type {WeakMap} */\nconst internal = new WeakMap()\n\n/**\n * Check whether a given character is escaped or not.\n * @param {string} str The string to check.\n * @param {number} index The location of the character to check.\n * @returns {boolean} `true` if the character is escaped.\n */\nfunction isEscaped(str, index) {\n let escaped = false\n for (let i = index - 1; i >= 0 && str.charCodeAt(i) === 0x5c; --i) {\n escaped = !escaped\n }\n return escaped\n}\n\n/**\n * Replace a given string by a given matcher.\n * @param {PatternMatcher} matcher The pattern matcher.\n * @param {string} str The string to be replaced.\n * @param {string} replacement The new substring to replace each matched part.\n * @returns {string} The replaced string.\n */\nfunction replaceS(matcher, str, replacement) {\n const chunks = []\n let index = 0\n\n /**\n * @param {string} key The placeholder.\n * @param {RegExpExecArray} match The matched information.\n * @returns {string} The replaced string.\n */\n function replacer(key, match) {\n switch (key) {\n case \"$$\":\n return \"$\"\n case \"$&\":\n return match[0]\n case \"$`\":\n return str.slice(0, match.index)\n case \"$'\":\n return str.slice(match.index + match[0].length)\n default: {\n const i = key.slice(1)\n if (i in match) {\n return match[/** @type {any} */ (i)]\n }\n return key\n }\n }\n }\n\n for (const match of matcher.execAll(str)) {\n chunks.push(str.slice(index, match.index))\n chunks.push(\n replacement.replace(placeholder, (key) => replacer(key, match)),\n )\n index = match.index + match[0].length\n }\n chunks.push(str.slice(index))\n\n return chunks.join(\"\")\n}\n\n/**\n * Replace a given string by a given matcher.\n * @param {PatternMatcher} matcher The pattern matcher.\n * @param {string} str The string to be replaced.\n * @param {(substring: string, ...args: any[]) => string} replace The function to replace each matched part.\n * @returns {string} The replaced string.\n */\nfunction replaceF(matcher, str, replace) {\n const chunks = []\n let index = 0\n\n for (const match of matcher.execAll(str)) {\n chunks.push(str.slice(index, match.index))\n chunks.push(\n String(\n replace(\n .../** @type {[string, ...string[]]} */ (\n /** @type {string[]} */ (match)\n ),\n match.index,\n match.input,\n ),\n ),\n )\n index = match.index + match[0].length\n }\n chunks.push(str.slice(index))\n\n return chunks.join(\"\")\n}\n\n/**\n * The class to find patterns as considering escape sequences.\n */\nexport class PatternMatcher {\n /**\n * Initialize this matcher.\n * @param {RegExp} pattern The pattern to match.\n * @param {{escaped?:boolean}} [options] The options.\n */\n constructor(pattern, options = {}) {\n const { escaped = false } = options\n if (!(pattern instanceof RegExp)) {\n throw new TypeError(\"'pattern' should be a RegExp instance.\")\n }\n if (!pattern.flags.includes(\"g\")) {\n throw new Error(\"'pattern' should contains 'g' flag.\")\n }\n\n internal.set(this, {\n pattern: new RegExp(pattern.source, pattern.flags),\n escaped: Boolean(escaped),\n })\n }\n\n /**\n * Find the pattern in a given string.\n * @param {string} str The string to find.\n * @returns {IterableIterator} The iterator which iterate the matched information.\n */\n *execAll(str) {\n const { pattern, escaped } =\n /** @type {{pattern:RegExp,escaped:boolean}} */ (internal.get(this))\n let match = null\n let lastIndex = 0\n\n pattern.lastIndex = 0\n while ((match = pattern.exec(str)) != null) {\n if (escaped || !isEscaped(str, match.index)) {\n lastIndex = pattern.lastIndex\n yield match\n pattern.lastIndex = lastIndex\n }\n }\n }\n\n /**\n * Check whether the pattern is found in a given string.\n * @param {string} str The string to check.\n * @returns {boolean} `true` if the pattern was found in the string.\n */\n test(str) {\n const it = this.execAll(str)\n const ret = it.next()\n return !ret.done\n }\n\n /**\n * Replace a given string.\n * @param {string} str The string to be replaced.\n * @param {(string|((...strs:string[])=>string))} replacer The string or function to replace. This is the same as the 2nd argument of `String.prototype.replace`.\n * @returns {string} The replaced string.\n */\n [Symbol.replace](str, replacer) {\n return typeof replacer === \"function\"\n ? replaceF(this, String(str), replacer)\n : replaceS(this, String(str), String(replacer))\n }\n}\n","import { findVariable } from \"./find-variable.mjs\"\nimport { getPropertyName } from \"./get-property-name.mjs\"\nimport { getStringIfConstant } from \"./get-string-if-constant.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"estree\").Expression} Expression */\n/** @typedef {import(\"estree\").Pattern} Pattern */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n/** @typedef {import(\"estree\").SimpleCallExpression} CallExpression */\n/** @typedef {import(\"estree\").Program} Program */\n/** @typedef {import(\"estree\").ImportDeclaration} ImportDeclaration */\n/** @typedef {import(\"estree\").ExportAllDeclaration} ExportAllDeclaration */\n/** @typedef {import(\"estree\").ExportDefaultDeclaration} ExportDefaultDeclaration */\n/** @typedef {import(\"estree\").ExportNamedDeclaration} ExportNamedDeclaration */\n/** @typedef {import(\"estree\").ImportSpecifier} ImportSpecifier */\n/** @typedef {import(\"estree\").ImportDefaultSpecifier} ImportDefaultSpecifier */\n/** @typedef {import(\"estree\").ImportNamespaceSpecifier} ImportNamespaceSpecifier */\n/** @typedef {import(\"estree\").ExportSpecifier} ExportSpecifier */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").AssignmentProperty} AssignmentProperty */\n/** @typedef {import(\"estree\").Literal} Literal */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Node} TSESTreeNode */\n/** @typedef {import(\"./types.mjs\").ReferenceTrackerOptions} ReferenceTrackerOptions */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMap} TraceMap\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMapObject} TraceMapObject\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TrackedReferences} TrackedReferences\n */\n\nconst IMPORT_TYPE = /^(?:Import|Export(?:All|Default|Named))Declaration$/u\n\n/**\n * Check whether a given node is an import node or not.\n * @param {Node} node\n * @returns {node is ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration&{source: Literal}} `true` if the node is an import node.\n */\nfunction isHasSource(node) {\n return (\n IMPORT_TYPE.test(node.type) &&\n /** @type {ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration} */ (\n node\n ).source != null\n )\n}\nconst has =\n /** @type {(traceMap: TraceMap, v: T) => v is (string extends T ? string : T)} */ (\n Function.call.bind(Object.hasOwnProperty)\n )\n\nexport const READ = Symbol(\"read\")\nexport const CALL = Symbol(\"call\")\nexport const CONSTRUCT = Symbol(\"construct\")\nexport const ESM = Symbol(\"esm\")\n\nconst requireCall = { require: { [CALL]: true } }\n\n/**\n * Check whether a given variable is modified or not.\n * @param {Variable|undefined} variable The variable to check.\n * @returns {boolean} `true` if the variable is modified.\n */\nfunction isModifiedGlobal(variable) {\n return (\n variable == null ||\n variable.defs.length !== 0 ||\n variable.references.some((r) => r.isWrite())\n )\n}\n\n/**\n * Check if the value of a given node is passed through to the parent syntax as-is.\n * For example, `a` and `b` in (`a || b` and `c ? a : b`) are passed through.\n * @param {Node} node A node to check.\n * @returns {node is RuleNode & {parent: Expression}} `true` if the node is passed through.\n */\nfunction isPassThrough(node) {\n const parent = /** @type {TSESTreeNode} */ (node).parent\n\n if (parent) {\n switch (parent.type) {\n case \"ConditionalExpression\":\n return parent.consequent === node || parent.alternate === node\n case \"LogicalExpression\":\n return true\n case \"SequenceExpression\":\n return (\n parent.expressions[parent.expressions.length - 1] === node\n )\n case \"ChainExpression\":\n return true\n case \"TSAsExpression\":\n case \"TSSatisfiesExpression\":\n case \"TSTypeAssertion\":\n case \"TSNonNullExpression\":\n case \"TSInstantiationExpression\":\n return true\n\n default:\n return false\n }\n }\n return false\n}\n\n/**\n * The reference tracker.\n */\nexport class ReferenceTracker {\n /**\n * Initialize this tracker.\n * @param {Scope} globalScope The global scope.\n * @param {object} [options] The options.\n * @param {\"legacy\"|\"strict\"} [options.mode=\"strict\"] The mode to determine the ImportDeclaration's behavior for CJS modules.\n * @param {string[]} [options.globalObjectNames=[\"global\",\"globalThis\",\"self\",\"window\"]] The variable names for Global Object.\n */\n constructor(globalScope, options = {}) {\n const {\n mode = \"strict\",\n globalObjectNames = [\"global\", \"globalThis\", \"self\", \"window\"],\n } = options\n /** @private @type {Variable[]} */\n this.variableStack = []\n /** @private */\n this.globalScope = globalScope\n /** @private */\n this.mode = mode\n /** @private */\n this.globalObjectNames = globalObjectNames.slice(0)\n }\n\n /**\n * Iterate the references of global variables.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateGlobalReferences(traceMap) {\n for (const key of Object.keys(traceMap)) {\n const nextTraceMap = traceMap[key]\n const path = [key]\n const variable = this.globalScope.set.get(key)\n\n if (isModifiedGlobal(variable)) {\n continue\n }\n\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (variable),\n path,\n nextTraceMap,\n true,\n )\n }\n\n for (const key of this.globalObjectNames) {\n /** @type {string[]} */\n const path = []\n const variable = this.globalScope.set.get(key)\n\n if (isModifiedGlobal(variable)) {\n continue\n }\n\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (variable),\n path,\n traceMap,\n false,\n )\n }\n }\n\n /**\n * Iterate the references of CommonJS modules.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateCjsReferences(traceMap) {\n for (const { node } of this.iterateGlobalReferences(requireCall)) {\n const key = getStringIfConstant(\n /** @type {CallExpression} */ (node).arguments[0],\n )\n if (key == null || !has(traceMap, key)) {\n continue\n }\n\n const nextTraceMap = traceMap[key]\n const path = [key]\n\n if (nextTraceMap[READ]) {\n yield {\n node,\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iteratePropertyReferences(\n /** @type {CallExpression} */ (node),\n path,\n nextTraceMap,\n )\n }\n }\n\n /**\n * Iterate the references of ES modules.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateEsmReferences(traceMap) {\n const programNode = /** @type {Program} */ (this.globalScope.block)\n\n for (const node of programNode.body) {\n if (!isHasSource(node)) {\n continue\n }\n const moduleId = /** @type {string} */ (node.source.value)\n\n if (!has(traceMap, moduleId)) {\n continue\n }\n const nextTraceMap = traceMap[moduleId]\n const path = [moduleId]\n\n if (nextTraceMap[READ]) {\n yield {\n // eslint-disable-next-line object-shorthand -- apply type\n node: /** @type {RuleNode} */ (node),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n\n if (node.type === \"ExportAllDeclaration\") {\n for (const key of Object.keys(nextTraceMap)) {\n const exportTraceMap = nextTraceMap[key]\n if (exportTraceMap[READ]) {\n yield {\n // eslint-disable-next-line object-shorthand -- apply type\n node: /** @type {RuleNode} */ (node),\n path: path.concat(key),\n type: READ,\n info: exportTraceMap[READ],\n }\n }\n }\n } else {\n for (const specifier of node.specifiers) {\n const esm = has(nextTraceMap, ESM)\n const it = this._iterateImportReferences(\n specifier,\n path,\n esm\n ? nextTraceMap\n : this.mode === \"legacy\"\n ? { default: nextTraceMap, ...nextTraceMap }\n : { default: nextTraceMap },\n )\n\n if (esm) {\n yield* it\n } else {\n for (const report of it) {\n report.path = report.path.filter(exceptDefault)\n if (\n report.path.length >= 2 ||\n report.type !== READ\n ) {\n yield report\n }\n }\n }\n }\n }\n }\n }\n\n /**\n * Iterate the property references for a given expression AST node.\n * @template T\n * @param {Expression} node The expression AST node to iterate property references.\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate property references.\n */\n *iteratePropertyReferences(node, traceMap) {\n yield* this._iteratePropertyReferences(node, [], traceMap)\n }\n\n /**\n * Iterate the references for a given variable.\n * @private\n * @template T\n * @param {Variable} variable The variable to iterate that references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @param {boolean} shouldReport = The flag to report those references.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateVariableReferences(variable, path, traceMap, shouldReport) {\n if (this.variableStack.includes(variable)) {\n return\n }\n this.variableStack.push(variable)\n try {\n for (const reference of variable.references) {\n if (!reference.isRead()) {\n continue\n }\n const node = /** @type {RuleNode & Identifier} */ (\n reference.identifier\n )\n\n if (shouldReport && traceMap[READ]) {\n yield { node, path, type: READ, info: traceMap[READ] }\n }\n yield* this._iteratePropertyReferences(node, path, traceMap)\n }\n } finally {\n this.variableStack.pop()\n }\n }\n\n /**\n * Iterate the references for a given AST node.\n * @private\n * @template T\n * @param {Expression} rootNode The AST node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n //eslint-disable-next-line complexity\n *_iteratePropertyReferences(rootNode, path, traceMap) {\n let node = rootNode\n while (isPassThrough(node)) {\n node = node.parent\n }\n\n const parent = /** @type {RuleNode} */ (node).parent\n if (parent.type === \"MemberExpression\") {\n if (parent.object === node) {\n const key = getPropertyName(parent)\n if (key == null || !has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: parent,\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iteratePropertyReferences(\n parent,\n path,\n nextTraceMap,\n )\n }\n return\n }\n if (parent.type === \"CallExpression\") {\n if (parent.callee === node && traceMap[CALL]) {\n yield { node: parent, path, type: CALL, info: traceMap[CALL] }\n }\n return\n }\n if (parent.type === \"NewExpression\") {\n if (parent.callee === node && traceMap[CONSTRUCT]) {\n yield {\n node: parent,\n path,\n type: CONSTRUCT,\n info: traceMap[CONSTRUCT],\n }\n }\n return\n }\n if (parent.type === \"AssignmentExpression\") {\n if (parent.right === node) {\n yield* this._iterateLhsReferences(parent.left, path, traceMap)\n yield* this._iteratePropertyReferences(parent, path, traceMap)\n }\n return\n }\n if (parent.type === \"AssignmentPattern\") {\n if (parent.right === node) {\n yield* this._iterateLhsReferences(parent.left, path, traceMap)\n }\n return\n }\n if (parent.type === \"VariableDeclarator\") {\n if (parent.init === node) {\n yield* this._iterateLhsReferences(parent.id, path, traceMap)\n }\n }\n }\n\n /**\n * Iterate the references for a given Pattern node.\n * @private\n * @template T\n * @param {Pattern} patternNode The Pattern node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateLhsReferences(patternNode, path, traceMap) {\n if (patternNode.type === \"Identifier\") {\n const variable = findVariable(this.globalScope, patternNode)\n if (variable != null) {\n yield* this._iterateVariableReferences(\n variable,\n path,\n traceMap,\n false,\n )\n }\n return\n }\n if (patternNode.type === \"ObjectPattern\") {\n for (const property of patternNode.properties) {\n const key = getPropertyName(\n /** @type {AssignmentProperty} */ (property),\n )\n\n if (key == null || !has(traceMap, key)) {\n continue\n }\n\n const nextPath = path.concat(key)\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (property),\n path: nextPath,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iterateLhsReferences(\n /** @type {AssignmentProperty} */ (property).value,\n nextPath,\n nextTraceMap,\n )\n }\n return\n }\n if (patternNode.type === \"AssignmentPattern\") {\n yield* this._iterateLhsReferences(patternNode.left, path, traceMap)\n }\n }\n\n /**\n * Iterate the references for a given ModuleSpecifier node.\n * @private\n * @template T\n * @param {ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier} specifierNode The ModuleSpecifier node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateImportReferences(specifierNode, path, traceMap) {\n const type = specifierNode.type\n\n if (type === \"ImportSpecifier\" || type === \"ImportDefaultSpecifier\") {\n const key =\n type === \"ImportDefaultSpecifier\"\n ? \"default\"\n : specifierNode.imported.type === \"Identifier\"\n ? specifierNode.imported.name\n : specifierNode.imported.value\n if (!has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (specifierNode),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (\n findVariable(this.globalScope, specifierNode.local)\n ),\n path,\n nextTraceMap,\n false,\n )\n\n return\n }\n\n if (type === \"ImportNamespaceSpecifier\") {\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (\n findVariable(this.globalScope, specifierNode.local)\n ),\n path,\n traceMap,\n false,\n )\n return\n }\n\n if (type === \"ExportSpecifier\") {\n const key =\n specifierNode.local.type === \"Identifier\"\n ? specifierNode.local.name\n : specifierNode.local.value\n if (!has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (specifierNode),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n }\n }\n}\n\nReferenceTracker.READ = READ\nReferenceTracker.CALL = CALL\nReferenceTracker.CONSTRUCT = CONSTRUCT\nReferenceTracker.ESM = ESM\n\n/**\n * This is a predicate function for Array#filter.\n * @param {string} name A name part.\n * @param {number} index The index of the name.\n * @returns {boolean} `false` if it's default.\n */\nfunction exceptDefault(name, index) {\n return !(index === 1 && name === \"default\")\n}\n","/** @typedef {import(\"./types.mjs\").StaticValue} StaticValue */\n/** @typedef {import(\"./types.mjs\").StaticValueOptional} StaticValueOptional */\n/** @typedef {import(\"./types.mjs\").StaticValueProvided} StaticValueProvided */\n/** @typedef {import(\"./types.mjs\").ReferenceTrackerOptions} ReferenceTrackerOptions */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMap} TraceMap\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TrackedReferences} TrackedReferences\n */\n/** @typedef {import(\"./types.mjs\").HasSideEffectOptions} HasSideEffectOptions */\n/** @typedef {import(\"./types.mjs\").ArrowToken} ArrowToken */\n/** @typedef {import(\"./types.mjs\").CommaToken} CommaToken */\n/** @typedef {import(\"./types.mjs\").SemicolonToken} SemicolonToken */\n/** @typedef {import(\"./types.mjs\").ColonToken} ColonToken */\n/** @typedef {import(\"./types.mjs\").OpeningParenToken} OpeningParenToken */\n/** @typedef {import(\"./types.mjs\").ClosingParenToken} ClosingParenToken */\n/** @typedef {import(\"./types.mjs\").OpeningBracketToken} OpeningBracketToken */\n/** @typedef {import(\"./types.mjs\").ClosingBracketToken} ClosingBracketToken */\n/** @typedef {import(\"./types.mjs\").OpeningBraceToken} OpeningBraceToken */\n/** @typedef {import(\"./types.mjs\").ClosingBraceToken} ClosingBraceToken */\n\nimport { findVariable } from \"./find-variable.mjs\"\nimport { getFunctionHeadLocation } from \"./get-function-head-location.mjs\"\nimport { getFunctionNameWithKind } from \"./get-function-name-with-kind.mjs\"\nimport { getInnermostScope } from \"./get-innermost-scope.mjs\"\nimport { getPropertyName } from \"./get-property-name.mjs\"\nimport { getStaticValue } from \"./get-static-value.mjs\"\nimport { getStringIfConstant } from \"./get-string-if-constant.mjs\"\nimport { hasSideEffect } from \"./has-side-effect.mjs\"\nimport { isParenthesized } from \"./is-parenthesized.mjs\"\nimport { PatternMatcher } from \"./pattern-matcher.mjs\"\nimport {\n CALL,\n CONSTRUCT,\n ESM,\n READ,\n ReferenceTracker,\n} from \"./reference-tracker.mjs\"\nimport {\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isSemicolonToken,\n} from \"./token-predicate.mjs\"\n\nexport default {\n CALL,\n CONSTRUCT,\n ESM,\n findVariable,\n getFunctionHeadLocation,\n getFunctionNameWithKind,\n getInnermostScope,\n getPropertyName,\n getStaticValue,\n getStringIfConstant,\n hasSideEffect,\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isParenthesized,\n isSemicolonToken,\n PatternMatcher,\n READ,\n ReferenceTracker,\n}\nexport {\n CALL,\n CONSTRUCT,\n ESM,\n findVariable,\n getFunctionHeadLocation,\n getFunctionNameWithKind,\n getInnermostScope,\n getPropertyName,\n getStaticValue,\n getStringIfConstant,\n hasSideEffect,\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isParenthesized,\n isSemicolonToken,\n PatternMatcher,\n READ,\n 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\ No newline at end of file diff --git a/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/LICENSE b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/LICENSE new file mode 100644 index 000000000..17a25538d --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright contributors + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/README.md b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/README.md new file mode 100644 index 000000000..cab810320 --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/README.md @@ -0,0 +1,105 @@ +# eslint-visitor-keys + +[![npm version](https://img.shields.io/npm/v/eslint-visitor-keys.svg)](https://www.npmjs.com/package/eslint-visitor-keys) +[![Downloads/month](https://img.shields.io/npm/dm/eslint-visitor-keys.svg)](http://www.npmtrends.com/eslint-visitor-keys) +[![Build Status](https://github.com/eslint/eslint-visitor-keys/workflows/CI/badge.svg)](https://github.com/eslint/eslint-visitor-keys/actions) + +Constants and utilities about visitor keys to traverse AST. + +## 💿 Installation + +Use [npm] to install. + +```bash +$ npm install eslint-visitor-keys +``` + +### Requirements + +- [Node.js] `^12.22.0`, `^14.17.0`, or `>=16.0.0` + + +## 📖 Usage + +To use in an ESM file: + +```js +import * as evk from "eslint-visitor-keys" +``` + +To use in a CommonJS file: + +```js +const evk = require("eslint-visitor-keys") +``` + +### evk.KEYS + +> type: `{ [type: string]: string[] | undefined }` + +Visitor keys. This keys are frozen. + +This is an object. Keys are the type of [ESTree] nodes. Their values are an array of property names which have child nodes. + +For example: + +``` +console.log(evk.KEYS.AssignmentExpression) // → ["left", "right"] +``` + +### evk.getKeys(node) + +> type: `(node: object) => string[]` + +Get the visitor keys of a given AST node. + +This is similar to `Object.keys(node)` of ES Standard, but some keys are excluded: `parent`, `leadingComments`, `trailingComments`, and names which start with `_`. + +This will be used to traverse unknown nodes. + +For example: + +```js +const node = { + type: "AssignmentExpression", + left: { type: "Identifier", name: "foo" }, + right: { type: "Literal", value: 0 } +} +console.log(evk.getKeys(node)) // → ["type", "left", "right"] +``` + +### evk.unionWith(additionalKeys) + +> type: `(additionalKeys: object) => { [type: string]: string[] | undefined }` + +Make the union set with `evk.KEYS` and the given keys. + +- The order of keys is, `additionalKeys` is at first, then `evk.KEYS` is concatenated after that. +- It removes duplicated keys as keeping the first one. + +For example: + +```js +console.log(evk.unionWith({ + MethodDefinition: ["decorators"] +})) // → { ..., MethodDefinition: ["decorators", "key", "value"], ... } +``` + +## 📰 Change log + +See [GitHub releases](https://github.com/eslint/eslint-visitor-keys/releases). + +## 🍻 Contributing + +Welcome. See [ESLint contribution guidelines](https://eslint.org/docs/developer-guide/contributing/). + +### Development commands + +- `npm test` runs tests and measures code coverage. +- `npm run lint` checks source codes with ESLint. +- `npm run test:open-coverage` opens the code coverage report of the previous test with your default browser. + + +[npm]: https://www.npmjs.com/ +[Node.js]: https://nodejs.org/ +[ESTree]: https://github.com/estree/estree diff --git a/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.cjs b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.cjs new file mode 100644 index 000000000..00f91bcc4 --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.cjs @@ -0,0 +1,384 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ + +/** + * @type {VisitorKeys} + */ +const KEYS = { + ArrayExpression: [ + "elements" + ], + ArrayPattern: [ + "elements" + ], + ArrowFunctionExpression: [ + "params", + "body" + ], + AssignmentExpression: [ + "left", + "right" + ], + AssignmentPattern: [ + "left", + "right" + ], + AwaitExpression: [ + "argument" + ], + BinaryExpression: [ + "left", + "right" + ], + BlockStatement: [ + "body" + ], + BreakStatement: [ + "label" + ], + CallExpression: [ + "callee", + "arguments" + ], + CatchClause: [ + "param", + "body" + ], + ChainExpression: [ + "expression" + ], + ClassBody: [ + "body" + ], + ClassDeclaration: [ + "id", + "superClass", + "body" + ], + ClassExpression: [ + "id", + "superClass", + "body" + ], + ConditionalExpression: [ + "test", + "consequent", + "alternate" + ], + ContinueStatement: [ + "label" + ], + DebuggerStatement: [], + DoWhileStatement: [ + "body", + "test" + ], + EmptyStatement: [], + ExperimentalRestProperty: [ + "argument" + ], + ExperimentalSpreadProperty: [ + "argument" + ], + ExportAllDeclaration: [ + "exported", + "source" + ], + ExportDefaultDeclaration: [ + "declaration" + ], + ExportNamedDeclaration: [ + "declaration", + "specifiers", + "source" + ], + ExportSpecifier: [ + "exported", + "local" + ], + ExpressionStatement: [ + "expression" + ], + ForInStatement: [ + "left", + "right", + "body" + ], + ForOfStatement: [ + "left", + "right", + "body" + ], + ForStatement: [ + "init", + "test", + "update", + "body" + ], + FunctionDeclaration: [ + "id", + "params", + "body" + ], + FunctionExpression: [ + "id", + "params", + "body" + ], + Identifier: [], + IfStatement: [ + "test", + "consequent", + "alternate" + ], + ImportDeclaration: [ + "specifiers", + "source" + ], + ImportDefaultSpecifier: [ + "local" + ], + ImportExpression: [ + "source" + ], + ImportNamespaceSpecifier: [ + "local" + ], + ImportSpecifier: [ + "imported", + "local" + ], + JSXAttribute: [ + "name", + "value" + ], + JSXClosingElement: [ + "name" + ], + JSXClosingFragment: [], + JSXElement: [ + "openingElement", + "children", + "closingElement" + ], + JSXEmptyExpression: [], + JSXExpressionContainer: [ + "expression" + ], + JSXFragment: [ + "openingFragment", + "children", + "closingFragment" + ], + JSXIdentifier: [], + JSXMemberExpression: [ + "object", + "property" + ], + JSXNamespacedName: [ + "namespace", + "name" + ], + JSXOpeningElement: [ + "name", + "attributes" + ], + JSXOpeningFragment: [], + JSXSpreadAttribute: [ + "argument" + ], + JSXSpreadChild: [ + "expression" + ], + JSXText: [], + LabeledStatement: [ + "label", + "body" + ], + Literal: [], + LogicalExpression: [ + "left", + "right" + ], + MemberExpression: [ + "object", + "property" + ], + MetaProperty: [ + "meta", + "property" + ], + MethodDefinition: [ + "key", + "value" + ], + NewExpression: [ + "callee", + "arguments" + ], + ObjectExpression: [ + "properties" + ], + ObjectPattern: [ + "properties" + ], + PrivateIdentifier: [], + Program: [ + "body" + ], + Property: [ + "key", + "value" + ], + PropertyDefinition: [ + "key", + "value" + ], + RestElement: [ + "argument" + ], + ReturnStatement: [ + "argument" + ], + SequenceExpression: [ + "expressions" + ], + SpreadElement: [ + "argument" + ], + StaticBlock: [ + "body" + ], + Super: [], + SwitchCase: [ + "test", + "consequent" + ], + SwitchStatement: [ + "discriminant", + "cases" + ], + TaggedTemplateExpression: [ + "tag", + "quasi" + ], + TemplateElement: [], + TemplateLiteral: [ + "quasis", + "expressions" + ], + ThisExpression: [], + ThrowStatement: [ + "argument" + ], + TryStatement: [ + "block", + "handler", + "finalizer" + ], + UnaryExpression: [ + "argument" + ], + UpdateExpression: [ + "argument" + ], + VariableDeclaration: [ + "declarations" + ], + VariableDeclarator: [ + "id", + "init" + ], + WhileStatement: [ + "test", + "body" + ], + WithStatement: [ + "object", + "body" + ], + YieldExpression: [ + "argument" + ] +}; + +// Types. +const NODE_TYPES = Object.keys(KEYS); + +// Freeze the keys. +for (const type of NODE_TYPES) { + Object.freeze(KEYS[type]); +} +Object.freeze(KEYS); + +/** + * @author Toru Nagashima + * See LICENSE file in root directory for full license. + */ + +/** + * @typedef {import('./visitor-keys.js').VisitorKeys} VisitorKeys + */ + +// List to ignore keys. +const KEY_BLACKLIST = new Set([ + "parent", + "leadingComments", + "trailingComments" +]); + +/** + * Check whether a given key should be used or not. + * @param {string} key The key to check. + * @returns {boolean} `true` if the key should be used. + */ +function filterKey(key) { + return !KEY_BLACKLIST.has(key) && key[0] !== "_"; +} + +/** + * Get visitor keys of a given node. + * @param {object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +function getKeys(node) { + return Object.keys(node).filter(filterKey); +} + +// Disable valid-jsdoc rule because it reports syntax error on the type of @returns. +// eslint-disable-next-line valid-jsdoc +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +function unionWith(additionalKeys) { + const retv = /** @type {{ + [type: string]: ReadonlyArray + }} */ (Object.assign({}, KEYS)); + + for (const type of Object.keys(additionalKeys)) { + if (Object.prototype.hasOwnProperty.call(retv, type)) { + const keys = new Set(additionalKeys[type]); + + for (const key of retv[type]) { + keys.add(key); + } + + retv[type] = Object.freeze(Array.from(keys)); + } else { + retv[type] = Object.freeze(Array.from(additionalKeys[type])); + } + } + + return Object.freeze(retv); +} + +exports.KEYS = KEYS; +exports.getKeys = getKeys; +exports.unionWith = unionWith; diff --git a/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.d.cts b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.d.cts new file mode 100644 index 000000000..c7c28ed37 --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.d.cts @@ -0,0 +1,27 @@ +type VisitorKeys$1 = { + readonly [type: string]: readonly string[]; +}; +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ +/** + * @type {VisitorKeys} + */ +declare const KEYS: VisitorKeys$1; + +/** + * Get visitor keys of a given node. + * @param {object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +declare function getKeys(node: object): readonly string[]; +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +declare function unionWith(additionalKeys: VisitorKeys): VisitorKeys; + +type VisitorKeys = VisitorKeys$1; + +export { KEYS, VisitorKeys, getKeys, unionWith }; diff --git a/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/index.d.ts b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/index.d.ts new file mode 100644 index 000000000..46bd87e27 --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/index.d.ts @@ -0,0 +1,16 @@ +/** + * Get visitor keys of a given node. + * @param {object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +export function getKeys(node: object): readonly string[]; +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +export function unionWith(additionalKeys: VisitorKeys): VisitorKeys; +export { KEYS }; +export type VisitorKeys = import('./visitor-keys.js').VisitorKeys; +import KEYS from "./visitor-keys.js"; +//# sourceMappingURL=index.d.ts.map \ No newline at end of file diff --git a/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/visitor-keys.d.ts b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/visitor-keys.d.ts new file mode 100644 index 000000000..57a952c50 --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/visitor-keys.d.ts @@ -0,0 +1,12 @@ +export default KEYS; +export type VisitorKeys = { + readonly [type: string]: readonly string[]; +}; +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ +/** + * @type {VisitorKeys} + */ +declare const KEYS: VisitorKeys; +//# sourceMappingURL=visitor-keys.d.ts.map \ No newline at end of file diff --git a/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/index.js b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/index.js new file mode 100644 index 000000000..3622816d6 --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/index.js @@ -0,0 +1,65 @@ +/** + * @author Toru Nagashima + * See LICENSE file in root directory for full license. + */ +import KEYS from "./visitor-keys.js"; + +/** + * @typedef {import('./visitor-keys.js').VisitorKeys} VisitorKeys + */ + +// List to ignore keys. +const KEY_BLACKLIST = new Set([ + "parent", + "leadingComments", + "trailingComments" +]); + +/** + * Check whether a given key should be used or not. + * @param {string} key The key to check. + * @returns {boolean} `true` if the key should be used. + */ +function filterKey(key) { + return !KEY_BLACKLIST.has(key) && key[0] !== "_"; +} + +/** + * Get visitor keys of a given node. + * @param {object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +export function getKeys(node) { + return Object.keys(node).filter(filterKey); +} + +// Disable valid-jsdoc rule because it reports syntax error on the type of @returns. +// eslint-disable-next-line valid-jsdoc +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +export function unionWith(additionalKeys) { + const retv = /** @type {{ + [type: string]: ReadonlyArray + }} */ (Object.assign({}, KEYS)); + + for (const type of Object.keys(additionalKeys)) { + if (Object.prototype.hasOwnProperty.call(retv, type)) { + const keys = new Set(additionalKeys[type]); + + for (const key of retv[type]) { + keys.add(key); + } + + retv[type] = Object.freeze(Array.from(keys)); + } else { + retv[type] = Object.freeze(Array.from(additionalKeys[type])); + } + } + + return Object.freeze(retv); +} + +export { KEYS }; diff --git a/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/visitor-keys.js b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/visitor-keys.js new file mode 100644 index 000000000..ccf2b1f9a --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/visitor-keys.js @@ -0,0 +1,315 @@ +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ + +/** + * @type {VisitorKeys} + */ +const KEYS = { + ArrayExpression: [ + "elements" + ], + ArrayPattern: [ + "elements" + ], + ArrowFunctionExpression: [ + "params", + "body" + ], + AssignmentExpression: [ + "left", + "right" + ], + AssignmentPattern: [ + "left", + "right" + ], + AwaitExpression: [ + "argument" + ], + BinaryExpression: [ + "left", + "right" + ], + BlockStatement: [ + "body" + ], + BreakStatement: [ + "label" + ], + CallExpression: [ + "callee", + "arguments" + ], + CatchClause: [ + "param", + "body" + ], + ChainExpression: [ + "expression" + ], + ClassBody: [ + "body" + ], + ClassDeclaration: [ + "id", + "superClass", + "body" + ], + ClassExpression: [ + "id", + "superClass", + "body" + ], + ConditionalExpression: [ + "test", + "consequent", + "alternate" + ], + ContinueStatement: [ + "label" + ], + DebuggerStatement: [], + DoWhileStatement: [ + "body", + "test" + ], + EmptyStatement: [], + ExperimentalRestProperty: [ + "argument" + ], + ExperimentalSpreadProperty: [ + "argument" + ], + ExportAllDeclaration: [ + "exported", + "source" + ], + ExportDefaultDeclaration: [ + "declaration" + ], + ExportNamedDeclaration: [ + "declaration", + "specifiers", + "source" + ], + ExportSpecifier: [ + "exported", + "local" + ], + ExpressionStatement: [ + "expression" + ], + ForInStatement: [ + "left", + "right", + "body" + ], + ForOfStatement: [ + "left", + "right", + "body" + ], + ForStatement: [ + "init", + "test", + "update", + "body" + ], + FunctionDeclaration: [ + "id", + "params", + "body" + ], + FunctionExpression: [ + "id", + "params", + "body" + ], + Identifier: [], + IfStatement: [ + "test", + "consequent", + "alternate" + ], + ImportDeclaration: [ + "specifiers", + "source" + ], + ImportDefaultSpecifier: [ + "local" + ], + ImportExpression: [ + "source" + ], + ImportNamespaceSpecifier: [ + "local" + ], + ImportSpecifier: [ + "imported", + "local" + ], + JSXAttribute: [ + "name", + "value" + ], + JSXClosingElement: [ + "name" + ], + JSXClosingFragment: [], + JSXElement: [ + "openingElement", + "children", + "closingElement" + ], + JSXEmptyExpression: [], + JSXExpressionContainer: [ + "expression" + ], + JSXFragment: [ + "openingFragment", + "children", + "closingFragment" + ], + JSXIdentifier: [], + JSXMemberExpression: [ + "object", + "property" + ], + JSXNamespacedName: [ + "namespace", + "name" + ], + JSXOpeningElement: [ + "name", + "attributes" + ], + JSXOpeningFragment: [], + JSXSpreadAttribute: [ + "argument" + ], + JSXSpreadChild: [ + "expression" + ], + JSXText: [], + LabeledStatement: [ + "label", + "body" + ], + Literal: [], + LogicalExpression: [ + "left", + "right" + ], + MemberExpression: [ + "object", + "property" + ], + MetaProperty: [ + "meta", + "property" + ], + MethodDefinition: [ + "key", + "value" + ], + NewExpression: [ + "callee", + "arguments" + ], + ObjectExpression: [ + "properties" + ], + ObjectPattern: [ + "properties" + ], + PrivateIdentifier: [], + Program: [ + "body" + ], + Property: [ + "key", + "value" + ], + PropertyDefinition: [ + "key", + "value" + ], + RestElement: [ + "argument" + ], + ReturnStatement: [ + "argument" + ], + SequenceExpression: [ + "expressions" + ], + SpreadElement: [ + "argument" + ], + StaticBlock: [ + "body" + ], + Super: [], + SwitchCase: [ + "test", + "consequent" + ], + SwitchStatement: [ + "discriminant", + "cases" + ], + TaggedTemplateExpression: [ + "tag", + "quasi" + ], + TemplateElement: [], + TemplateLiteral: [ + "quasis", + "expressions" + ], + ThisExpression: [], + ThrowStatement: [ + "argument" + ], + TryStatement: [ + "block", + "handler", + "finalizer" + ], + UnaryExpression: [ + "argument" + ], + UpdateExpression: [ + "argument" + ], + VariableDeclaration: [ + "declarations" + ], + VariableDeclarator: [ + "id", + "init" + ], + WhileStatement: [ + "test", + "body" + ], + WithStatement: [ + "object", + "body" + ], + YieldExpression: [ + "argument" + ] +}; + +// Types. +const NODE_TYPES = Object.keys(KEYS); + +// Freeze the keys. +for (const type of NODE_TYPES) { + Object.freeze(KEYS[type]); +} +Object.freeze(KEYS); + +export default KEYS; diff --git a/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/package.json b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/package.json new file mode 100644 index 000000000..b9d51ce0e --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/package.json @@ -0,0 +1,74 @@ +{ + "name": "eslint-visitor-keys", + "version": "3.4.3", + "description": "Constants and utilities about visitor keys to traverse AST.", + "type": "module", + "main": "dist/eslint-visitor-keys.cjs", + "types": "./dist/index.d.ts", + "exports": { + ".": [ + { + "import": "./lib/index.js", + "require": "./dist/eslint-visitor-keys.cjs" + }, + "./dist/eslint-visitor-keys.cjs" + ], + "./package.json": "./package.json" + }, + "files": [ + "dist/index.d.ts", + "dist/visitor-keys.d.ts", + "dist/eslint-visitor-keys.cjs", + "dist/eslint-visitor-keys.d.cts", + "lib" + ], + "engines": { + "node": "^12.22.0 || ^14.17.0 || >=16.0.0" + }, + "devDependencies": { + "@types/estree": "^0.0.51", + "@types/estree-jsx": "^0.0.1", + "@typescript-eslint/parser": "^5.14.0", + "c8": "^7.11.0", + "chai": "^4.3.6", + "eslint": "^7.29.0", + "eslint-config-eslint": "^7.0.0", + "eslint-plugin-jsdoc": "^35.4.0", + "eslint-plugin-node": "^11.1.0", + "eslint-release": "^3.2.0", + "esquery": "^1.4.0", + "json-diff": "^0.7.3", + "mocha": "^9.2.1", + "opener": "^1.5.2", + "rollup": "^2.70.0", + "rollup-plugin-dts": "^4.2.3", + "tsd": "^0.19.1", + "typescript": "^4.6.2" + }, + "scripts": { + "build": "npm run build:cjs && npm run build:types", + "build:cjs": "rollup -c", + "build:debug": "npm run build:cjs -- -m && npm run build:types", + "build:keys": "node tools/build-keys-from-ts", + "build:types": "tsc", + "lint": "eslint .", + "prepare": "npm run build", + "release:generate:latest": "eslint-generate-release", + "release:generate:alpha": "eslint-generate-prerelease alpha", + "release:generate:beta": "eslint-generate-prerelease beta", + "release:generate:rc": "eslint-generate-prerelease rc", + "release:publish": "eslint-publish-release", + "test": "mocha tests/lib/**/*.cjs && c8 mocha tests/lib/**/*.js && npm run test:types", + "test:open-coverage": "c8 report --reporter lcov && opener coverage/lcov-report/index.html", + "test:types": "tsd" + }, + "repository": "eslint/eslint-visitor-keys", + "funding": "https://opencollective.com/eslint", + "keywords": [], + "author": "Toru Nagashima (https://github.com/mysticatea)", + "license": "Apache-2.0", + "bugs": { + "url": "https://github.com/eslint/eslint-visitor-keys/issues" + }, + "homepage": "https://github.com/eslint/eslint-visitor-keys#readme" +} diff --git a/module/node_modules/@eslint-community/eslint-utils/package.json b/module/node_modules/@eslint-community/eslint-utils/package.json new file mode 100644 index 000000000..ce5b54d17 --- /dev/null +++ b/module/node_modules/@eslint-community/eslint-utils/package.json @@ -0,0 +1,89 @@ +{ + "name": "@eslint-community/eslint-utils", + "version": "4.9.0", + "description": "Utilities for ESLint plugins.", + "keywords": [ + "eslint" + ], + "homepage": "https://github.com/eslint-community/eslint-utils#readme", + "bugs": { + "url": "https://github.com/eslint-community/eslint-utils/issues" + }, + "repository": { + "type": "git", + "url": "https://github.com/eslint-community/eslint-utils" + }, + "license": "MIT", + "author": "Toru Nagashima", + "sideEffects": false, + "exports": { + ".": { + "import": "./index.mjs", + "require": "./index.js" + }, + "./package.json": "./package.json" + }, + "main": "index", + "module": "index.mjs", + "files": [ + "index.*" + ], + "scripts": { + "prebuild": "npm run -s clean", + "build": "npm run build:dts && npm run build:rollup", + "build:dts": "tsc -p tsconfig.build.json", + "build:rollup": "rollup -c", + "clean": "rimraf .nyc_output coverage index.* dist", + "coverage": "opener ./coverage/lcov-report/index.html", + "docs:build": "vitepress build docs", + "docs:watch": "vitepress dev docs", + "format": "npm run -s format:prettier -- --write", + "format:prettier": "prettier .", + "format:check": "npm run -s format:prettier -- --check", + "lint:eslint": "eslint .", + "lint:format": "npm run -s format:check", + "lint:installed-check": "installed-check -v -i installed-check -i npm-run-all2 -i knip -i rollup-plugin-dts", + "lint:knip": "knip", + "lint": "run-p lint:*", + "test-coverage": "c8 mocha --reporter dot \"test/*.mjs\"", + "test": "mocha --reporter dot \"test/*.mjs\"", + "preversion": "npm run test-coverage && npm run -s build", + "postversion": "git push && git push --tags", + "prewatch": "npm run -s clean", + "watch": "warun \"{src,test}/**/*.mjs\" -- npm run -s test:mocha" + }, + "dependencies": { + "eslint-visitor-keys": "^3.4.3" + }, + "devDependencies": { + "@eslint-community/eslint-plugin-mysticatea": "^15.6.1", + "@types/eslint": "^9.6.1", + "@types/estree": "^1.0.7", + "@typescript-eslint/parser": "^5.62.0", + "@typescript-eslint/types": "^5.62.0", + "c8": "^8.0.1", + "dot-prop": "^7.2.0", + "eslint": "^8.57.1", + "installed-check": "^8.0.1", + "knip": "^5.33.3", + "mocha": "^9.2.2", + "npm-run-all2": "^6.2.3", + "opener": "^1.5.2", + "prettier": "2.8.8", + "rimraf": "^3.0.2", + "rollup": "^2.79.2", + "rollup-plugin-dts": "^4.2.3", + "rollup-plugin-sourcemaps": "^0.6.3", + "semver": "^7.6.3", + "typescript": "^4.9.5", + "vitepress": "^1.4.1", + "warun": "^1.0.0" + }, + "peerDependencies": { + "eslint": "^6.0.0 || ^7.0.0 || >=8.0.0" + }, + "engines": { + "node": "^12.22.0 || ^14.17.0 || >=16.0.0" + }, + "funding": "https://opencollective.com/eslint" +} diff --git a/module/node_modules/@eslint-community/regexpp/LICENSE b/module/node_modules/@eslint-community/regexpp/LICENSE new file mode 100644 index 000000000..883ee1f61 --- /dev/null +++ b/module/node_modules/@eslint-community/regexpp/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2018 Toru Nagashima + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/module/node_modules/@eslint-community/regexpp/README.md b/module/node_modules/@eslint-community/regexpp/README.md new file mode 100644 index 000000000..9728af519 --- /dev/null +++ b/module/node_modules/@eslint-community/regexpp/README.md @@ -0,0 +1,177 @@ +# @eslint-community/regexpp + +[![npm version](https://img.shields.io/npm/v/@eslint-community/regexpp.svg)](https://www.npmjs.com/package/@eslint-community/regexpp) +[![Downloads/month](https://img.shields.io/npm/dm/@eslint-community/regexpp.svg)](http://www.npmtrends.com/@eslint-community/regexpp) +[![Build Status](https://github.com/eslint-community/regexpp/workflows/CI/badge.svg)](https://github.com/eslint-community/regexpp/actions) +[![codecov](https://codecov.io/gh/eslint-community/regexpp/branch/main/graph/badge.svg)](https://codecov.io/gh/eslint-community/regexpp) + +A regular expression parser for ECMAScript. + +## 💿 Installation + +```bash +$ npm install @eslint-community/regexpp +``` + +- require Node@^12.0.0 || ^14.0.0 || >=16.0.0. + +## 📖 Usage + +```ts +import { + AST, + RegExpParser, + RegExpValidator, + RegExpVisitor, + parseRegExpLiteral, + validateRegExpLiteral, + visitRegExpAST +} from "@eslint-community/regexpp" +``` + +### parseRegExpLiteral(source, options?) + +Parse a given regular expression literal then make AST object. + +This is equivalent to `new RegExpParser(options).parseLiteral(source)`. + +- **Parameters:** + - `source` (`string | RegExp`) The source code to parse. + - `options?` ([`RegExpParser.Options`]) The options to parse. +- **Return:** + - The AST of the regular expression. + +### validateRegExpLiteral(source, options?) + +Validate a given regular expression literal. + +This is equivalent to `new RegExpValidator(options).validateLiteral(source)`. + +- **Parameters:** + - `source` (`string`) The source code to validate. + - `options?` ([`RegExpValidator.Options`]) The options to validate. + +### visitRegExpAST(ast, handlers) + +Visit each node of a given AST. + +This is equivalent to `new RegExpVisitor(handlers).visit(ast)`. + +- **Parameters:** + - `ast` ([`AST.Node`]) The AST to visit. + - `handlers` ([`RegExpVisitor.Handlers`]) The callbacks. + +### RegExpParser + +#### new RegExpParser(options?) + +- **Parameters:** + - `options?` ([`RegExpParser.Options`]) The options to parse. + +#### parser.parseLiteral(source, start?, end?) + +Parse a regular expression literal. + +- **Parameters:** + - `source` (`string`) The source code to parse. E.g. `"/abc/g"`. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. +- **Return:** + - The AST of the regular expression. + +#### parser.parsePattern(source, start?, end?, flags?) + +Parse a regular expression pattern. + +- **Parameters:** + - `source` (`string`) The source code to parse. E.g. `"abc"`. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. + - `flags?` (`{ unicode?: boolean, unicodeSets?: boolean }`) The flags to enable Unicode mode, and Unicode Set mode. +- **Return:** + - The AST of the regular expression pattern. + +#### parser.parseFlags(source, start?, end?) + +Parse a regular expression flags. + +- **Parameters:** + - `source` (`string`) The source code to parse. E.g. `"gim"`. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. +- **Return:** + - The AST of the regular expression flags. + +### RegExpValidator + +#### new RegExpValidator(options) + +- **Parameters:** + - `options` ([`RegExpValidator.Options`]) The options to validate. + +#### validator.validateLiteral(source, start, end) + +Validate a regular expression literal. + +- **Parameters:** + - `source` (`string`) The source code to validate. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. + +#### validator.validatePattern(source, start, end, flags) + +Validate a regular expression pattern. + +- **Parameters:** + - `source` (`string`) The source code to validate. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. + - `flags?` (`{ unicode?: boolean, unicodeSets?: boolean }`) The flags to enable Unicode mode, and Unicode Set mode. + +#### validator.validateFlags(source, start, end) + +Validate a regular expression flags. + +- **Parameters:** + - `source` (`string`) The source code to validate. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. + +### RegExpVisitor + +#### new RegExpVisitor(handlers) + +- **Parameters:** + - `handlers` ([`RegExpVisitor.Handlers`]) The callbacks. + +#### visitor.visit(ast) + +Validate a regular expression literal. + +- **Parameters:** + - `ast` ([`AST.Node`]) The AST to visit. + +## 📰 Changelog + +- [GitHub Releases](https://github.com/eslint-community/regexpp/releases) + +## 🍻 Contributing + +Welcome contributing! + +Please use GitHub's Issues/PRs. + +### Development Tools + +- `npm test` runs tests and measures coverage. +- `npm run build` compiles TypeScript source code to `index.js`, `index.js.map`, and `index.d.ts`. +- `npm run clean` removes the temporary files which are created by `npm test` and `npm run build`. +- `npm run lint` runs ESLint. +- `npm run update:test` updates test fixtures. +- `npm run update:ids` updates `src/unicode/ids.ts`. +- `npm run watch` runs tests with `--watch` option. + +[`AST.Node`]: src/ast.ts#L4 +[`RegExpParser.Options`]: src/parser.ts#L743 +[`RegExpValidator.Options`]: src/validator.ts#L220 +[`RegExpVisitor.Handlers`]: src/visitor.ts#L291 diff --git a/module/node_modules/@eslint-community/regexpp/index.d.ts b/module/node_modules/@eslint-community/regexpp/index.d.ts new file mode 100644 index 000000000..c75657aad --- /dev/null +++ b/module/node_modules/@eslint-community/regexpp/index.d.ts @@ -0,0 +1,1163 @@ +// Generated by dts-bundle v0.7.3 + +declare module "@eslint-community/regexpp" { + import * as AST from "@eslint-community/regexpp/ast"; + import { RegExpParser } from "@eslint-community/regexpp/parser"; + import { RegExpValidator } from "@eslint-community/regexpp/validator"; + import { RegExpVisitor } from "@eslint-community/regexpp/visitor"; + export { RegExpSyntaxError } from "@eslint-community/regexpp/regexp-syntax-error"; + export { AST, RegExpParser, RegExpValidator }; + /** + * Parse a given regular expression literal then make AST object. + * @param source The source code to parse. + * @param options The options to parse. + * @returns The AST of the regular expression. + */ + export function parseRegExpLiteral( + source: RegExp | string, + options?: RegExpParser.Options + ): AST.RegExpLiteral; + /** + * Validate a given regular expression literal. + * @param source The source code to validate. + * @param options The options to validate. + */ + export function validateRegExpLiteral( + source: string, + options?: RegExpValidator.Options + ): void; + export function visitRegExpAST( + node: AST.Node, + handlers: RegExpVisitor.Handlers + ): void; +} + +declare module "@eslint-community/regexpp/ast" { + /** + * The type which includes all nodes. + */ + export type Node = BranchNode | LeafNode; + /** + * The type which includes all branch nodes. + */ + export type BranchNode = + | Alternative + | CapturingGroup + | CharacterClass + | CharacterClassRange + | ClassIntersection + | ClassStringDisjunction + | ClassSubtraction + | ExpressionCharacterClass + | Group + | LookaroundAssertion + | Modifiers + | Pattern + | Quantifier + | RegExpLiteral + | StringAlternative; + /** + * The type which includes all leaf nodes. + */ + export type LeafNode = + | Backreference + | BoundaryAssertion + | Character + | CharacterSet + | Flags + | ModifierFlags; + /** + * The type which includes all atom nodes. + */ + export type Element = Assertion | QuantifiableElement | Quantifier; + /** + * The type which includes all atom nodes that Quantifier node can have as children. + */ + export type QuantifiableElement = + | Backreference + | CapturingGroup + | Character + | CharacterClass + | CharacterSet + | ExpressionCharacterClass + | Group + | LookaheadAssertion; + /** + * The type which includes all character class atom nodes. + */ + export type CharacterClassElement = + | ClassRangesCharacterClassElement + | UnicodeSetsCharacterClassElement; + export type ClassRangesCharacterClassElement = + | Character + | CharacterClassRange + | CharacterUnicodePropertyCharacterSet + | EscapeCharacterSet; + export type UnicodeSetsCharacterClassElement = + | Character + | CharacterClassRange + | ClassStringDisjunction + | EscapeCharacterSet + | ExpressionCharacterClass + | UnicodePropertyCharacterSet + | UnicodeSetsCharacterClass; + /** + * The type which defines common properties for all node types. + */ + export interface NodeBase { + /** The node type. */ + type: Node["type"]; + /** The parent node. */ + parent: Node["parent"]; + /** The 0-based index that this node starts. */ + start: number; + /** The 0-based index that this node ends. */ + end: number; + /** The raw text of this node. */ + raw: string; + } + /** + * The root node. + */ + export interface RegExpLiteral extends NodeBase { + type: "RegExpLiteral"; + parent: null; + pattern: Pattern; + flags: Flags; + } + /** + * The pattern. + */ + export interface Pattern extends NodeBase { + type: "Pattern"; + parent: RegExpLiteral | null; + alternatives: Alternative[]; + } + /** + * The alternative. + * E.g. `a|b` + */ + export interface Alternative extends NodeBase { + type: "Alternative"; + parent: CapturingGroup | Group | LookaroundAssertion | Pattern; + elements: Element[]; + } + /** + * The uncapturing group. + * E.g. `(?:ab)` + */ + export interface Group extends NodeBase { + type: "Group"; + parent: Alternative | Quantifier; + modifiers: Modifiers | null; + alternatives: Alternative[]; + } + /** + * The capturing group. + * E.g. `(ab)`, `(?ab)` + */ + export interface CapturingGroup extends NodeBase { + type: "CapturingGroup"; + parent: Alternative | Quantifier; + name: string | null; + alternatives: Alternative[]; + references: Backreference[]; + } + /** + * The lookaround assertion. + */ + export type LookaroundAssertion = LookaheadAssertion | LookbehindAssertion; + /** + * The lookahead assertion. + * E.g. `(?=ab)`, `(?!ab)` + */ + export interface LookaheadAssertion extends NodeBase { + type: "Assertion"; + parent: Alternative | Quantifier; + kind: "lookahead"; + negate: boolean; + alternatives: Alternative[]; + } + /** + * The lookbehind assertion. + * E.g. `(?<=ab)`, `(?` + */ + export type Backreference = AmbiguousBackreference | UnambiguousBackreference; + interface BaseBackreference extends NodeBase { + type: "Backreference"; + parent: Alternative | Quantifier; + ref: number | string; + ambiguous: boolean; + resolved: CapturingGroup | CapturingGroup[]; + } + export interface AmbiguousBackreference extends BaseBackreference { + ref: string; + ambiguous: true; + resolved: CapturingGroup[]; + } + export interface UnambiguousBackreference extends BaseBackreference { + ambiguous: false; + resolved: CapturingGroup; + } + /** + * The modifiers. + */ + export interface Modifiers extends NodeBase { + type: "Modifiers"; + parent: Group; + /** + * The add modifier flags. + */ + add: ModifierFlags; + /** + * The remove modifier flags. + * + * `null` means no remove modifier flags. e.g. `(?ims:x)` + * The reason for `null` is that there is no position where the remove modifier flags appears. Must be behind the minus mark. + */ + remove: ModifierFlags | null; + } + /** + * The modifier flags. + */ + export interface ModifierFlags extends NodeBase { + type: "ModifierFlags"; + parent: Modifiers; + dotAll: boolean; + ignoreCase: boolean; + multiline: boolean; + } + /** + * The flags. + */ + export interface Flags extends NodeBase { + type: "Flags"; + parent: RegExpLiteral | null; + dotAll: boolean; + global: boolean; + hasIndices: boolean; + ignoreCase: boolean; + multiline: boolean; + sticky: boolean; + unicode: boolean; + unicodeSets: boolean; + } + export {}; +} + +declare module "@eslint-community/regexpp/parser" { + import type { + Flags, + RegExpLiteral, + Pattern, + } from "@eslint-community/regexpp/ast"; + import type { EcmaVersion } from "@eslint-community/regexpp/ecma-versions"; + export namespace RegExpParser { + /** + * The options for RegExpParser construction. + */ + interface Options { + /** + * The flag to disable Annex B syntax. Default is `false`. + */ + strict?: boolean; + /** + * ECMAScript version. Default is `2025`. + * - `2015` added `u` and `y` flags. + * - `2018` added `s` flag, Named Capturing Group, Lookbehind Assertion, + * and Unicode Property Escape. + * - `2019`, `2020`, and `2021` added more valid Unicode Property Escapes. + * - `2022` added `d` flag. + * - `2023` added more valid Unicode Property Escapes. + * - `2024` added `v` flag. + * - `2025` added duplicate named capturing groups, modifiers. + */ + ecmaVersion?: EcmaVersion; + } + } + export class RegExpParser { + /** + * Initialize this parser. + * @param options The options of parser. + */ + constructor(options?: RegExpParser.Options); + /** + * Parse a regular expression literal. E.g. "/abc/g" + * @param source The source code to parse. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @returns The AST of the given regular expression. + */ + parseLiteral(source: string, start?: number, end?: number): RegExpLiteral; + /** + * Parse a regular expression flags. E.g. "gim" + * @param source The source code to parse. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @returns The AST of the given flags. + */ + parseFlags(source: string, start?: number, end?: number): Flags; + /** + * Parse a regular expression pattern. E.g. "abc" + * @param source The source code to parse. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @param flags The flags. + * @returns The AST of the given pattern. + */ + parsePattern( + source: string, + start?: number, + end?: number, + flags?: { + unicode?: boolean; + unicodeSets?: boolean; + } + ): Pattern; + /** + * @deprecated Backward compatibility + * Use object `flags` instead of boolean `uFlag`. + * + * @param source The source code to parse. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @param uFlag The flag to set unicode mode. + * @returns The AST of the given pattern. + */ + parsePattern( + source: string, + start?: number, + end?: number, + uFlag?: boolean + ): Pattern; + } +} + +declare module "@eslint-community/regexpp/validator" { + import type { EcmaVersion } from "@eslint-community/regexpp/ecma-versions"; + export type RegExpValidatorSourceContext = { + readonly source: string; + readonly start: number; + readonly end: number; + readonly kind: "flags" | "literal" | "pattern"; + }; + export namespace RegExpValidator { + /** + * The options for RegExpValidator construction. + */ + interface Options { + /** + * The flag to disable Annex B syntax. Default is `false`. + */ + strict?: boolean; + /** + * ECMAScript version. Default is `2025`. + * - `2015` added `u` and `y` flags. + * - `2018` added `s` flag, Named Capturing Group, Lookbehind Assertion, + * and Unicode Property Escape. + * - `2019`, `2020`, and `2021` added more valid Unicode Property Escapes. + * - `2022` added `d` flag. + * - `2023` added more valid Unicode Property Escapes. + * - `2024` added `v` flag. + * - `2025` added duplicate named capturing groups, modifiers. + */ + ecmaVersion?: EcmaVersion; + /** + * A function that is called when the validator entered a RegExp literal. + * @param start The 0-based index of the first character. + */ + onLiteralEnter?: (start: number) => void; + /** + * A function that is called when the validator left a RegExp literal. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onLiteralLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator found flags. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param flags.global `g` flag. + * @param flags.ignoreCase `i` flag. + * @param flags.multiline `m` flag. + * @param flags.unicode `u` flag. + * @param flags.sticky `y` flag. + * @param flags.dotAll `s` flag. + * @param flags.hasIndices `d` flag. + * @param flags.unicodeSets `v` flag. + */ + onRegExpFlags?: ( + start: number, + end: number, + flags: { + global: boolean; + ignoreCase: boolean; + multiline: boolean; + unicode: boolean; + sticky: boolean; + dotAll: boolean; + hasIndices: boolean; + unicodeSets: boolean; + } + ) => void; + /** + * A function that is called when the validator found flags. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param global `g` flag. + * @param ignoreCase `i` flag. + * @param multiline `m` flag. + * @param unicode `u` flag. + * @param sticky `y` flag. + * @param dotAll `s` flag. + * @param hasIndices `d` flag. + * + * @deprecated Use `onRegExpFlags` instead. + */ + onFlags?: ( + start: number, + end: number, + global: boolean, + ignoreCase: boolean, + multiline: boolean, + unicode: boolean, + sticky: boolean, + dotAll: boolean, + hasIndices: boolean + ) => void; + /** + * A function that is called when the validator entered a pattern. + * @param start The 0-based index of the first character. + */ + onPatternEnter?: (start: number) => void; + /** + * A function that is called when the validator left a pattern. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onPatternLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator entered a disjunction. + * @param start The 0-based index of the first character. + */ + onDisjunctionEnter?: (start: number) => void; + /** + * A function that is called when the validator left a disjunction. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onDisjunctionLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator entered an alternative. + * @param start The 0-based index of the first character. + * @param index The 0-based index of alternatives in a disjunction. + */ + onAlternativeEnter?: (start: number, index: number) => void; + /** + * A function that is called when the validator left an alternative. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param index The 0-based index of alternatives in a disjunction. + */ + onAlternativeLeave?: (start: number, end: number, index: number) => void; + /** + * A function that is called when the validator entered an uncapturing group. + * @param start The 0-based index of the first character. + */ + onGroupEnter?: (start: number) => void; + /** + * A function that is called when the validator left an uncapturing group. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onGroupLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator entered a modifiers. + * @param start The 0-based index of the first character. + */ + onModifiersEnter?: (start: number) => void; + /** + * A function that is called when the validator left a modifiers. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onModifiersLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator found an add modifiers. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param flags flags. + * @param flags.ignoreCase `i` flag. + * @param flags.multiline `m` flag. + * @param flags.dotAll `s` flag. + */ + onAddModifiers?: ( + start: number, + end: number, + flags: { + ignoreCase: boolean; + multiline: boolean; + dotAll: boolean; + } + ) => void; + /** + * A function that is called when the validator found a remove modifiers. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param flags flags. + * @param flags.ignoreCase `i` flag. + * @param flags.multiline `m` flag. + * @param flags.dotAll `s` flag. + */ + onRemoveModifiers?: ( + start: number, + end: number, + flags: { + ignoreCase: boolean; + multiline: boolean; + dotAll: boolean; + } + ) => void; + /** + * A function that is called when the validator entered a capturing group. + * @param start The 0-based index of the first character. + * @param name The group name. + */ + onCapturingGroupEnter?: (start: number, name: string | null) => void; + /** + * A function that is called when the validator left a capturing group. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param name The group name. + */ + onCapturingGroupLeave?: ( + start: number, + end: number, + name: string | null + ) => void; + /** + * A function that is called when the validator found a quantifier. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param min The minimum number of repeating. + * @param max The maximum number of repeating. + * @param greedy The flag to choose the longest matching. + */ + onQuantifier?: ( + start: number, + end: number, + min: number, + max: number, + greedy: boolean + ) => void; + /** + * A function that is called when the validator entered a lookahead/lookbehind assertion. + * @param start The 0-based index of the first character. + * @param kind The kind of the assertion. + * @param negate The flag which represents that the assertion is negative. + */ + onLookaroundAssertionEnter?: ( + start: number, + kind: "lookahead" | "lookbehind", + negate: boolean + ) => void; + /** + * A function that is called when the validator left a lookahead/lookbehind assertion. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the assertion. + * @param negate The flag which represents that the assertion is negative. + */ + onLookaroundAssertionLeave?: ( + start: number, + end: number, + kind: "lookahead" | "lookbehind", + negate: boolean + ) => void; + /** + * A function that is called when the validator found an edge boundary assertion. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the assertion. + */ + onEdgeAssertion?: ( + start: number, + end: number, + kind: "end" | "start" + ) => void; + /** + * A function that is called when the validator found a word boundary assertion. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the assertion. + * @param negate The flag which represents that the assertion is negative. + */ + onWordBoundaryAssertion?: ( + start: number, + end: number, + kind: "word", + negate: boolean + ) => void; + /** + * A function that is called when the validator found a dot. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the character set. + */ + onAnyCharacterSet?: (start: number, end: number, kind: "any") => void; + /** + * A function that is called when the validator found a character set escape. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the character set. + * @param negate The flag which represents that the character set is negative. + */ + onEscapeCharacterSet?: ( + start: number, + end: number, + kind: "digit" | "space" | "word", + negate: boolean + ) => void; + /** + * A function that is called when the validator found a Unicode proerty escape. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the character set. + * @param key The property name. + * @param value The property value. + * @param negate The flag which represents that the character set is negative. + * @param strings If true, the given property is property of strings. + */ + onUnicodePropertyCharacterSet?: ( + start: number, + end: number, + kind: "property", + key: string, + value: string | null, + negate: boolean, + strings: boolean + ) => void; + /** + * A function that is called when the validator found a character. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param value The code point of the character. + */ + onCharacter?: (start: number, end: number, value: number) => void; + /** + * A function that is called when the validator found a backreference. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param ref The key of the referred capturing group. + */ + onBackreference?: ( + start: number, + end: number, + ref: number | string + ) => void; + /** + * A function that is called when the validator entered a character class. + * @param start The 0-based index of the first character. + * @param negate The flag which represents that the character class is negative. + * @param unicodeSets `true` if unicodeSets mode. + */ + onCharacterClassEnter?: ( + start: number, + negate: boolean, + unicodeSets: boolean + ) => void; + /** + * A function that is called when the validator left a character class. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param negate The flag which represents that the character class is negative. + */ + onCharacterClassLeave?: ( + start: number, + end: number, + negate: boolean + ) => void; + /** + * A function that is called when the validator found a character class range. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param min The minimum code point of the range. + * @param max The maximum code point of the range. + */ + onCharacterClassRange?: ( + start: number, + end: number, + min: number, + max: number + ) => void; + /** + * A function that is called when the validator found a class intersection. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onClassIntersection?: (start: number, end: number) => void; + /** + * A function that is called when the validator found a class subtraction. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onClassSubtraction?: (start: number, end: number) => void; + /** + * A function that is called when the validator entered a class string disjunction. + * @param start The 0-based index of the first character. + */ + onClassStringDisjunctionEnter?: (start: number) => void; + /** + * A function that is called when the validator left a class string disjunction. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onClassStringDisjunctionLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator entered a string alternative. + * @param start The 0-based index of the first character. + * @param index The 0-based index of alternatives in a disjunction. + */ + onStringAlternativeEnter?: (start: number, index: number) => void; + /** + * A function that is called when the validator left a string alternative. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param index The 0-based index of alternatives in a disjunction. + */ + onStringAlternativeLeave?: ( + start: number, + end: number, + index: number + ) => void; + } + } + /** + * The regular expression validator. + */ + export class RegExpValidator { + /** + * Initialize this validator. + * @param options The options of validator. + */ + constructor(options?: RegExpValidator.Options); + /** + * Validate a regular expression literal. E.g. "/abc/g" + * @param source The source code to validate. + * @param start The start index in the source code. + * @param end The end index in the source code. + */ + validateLiteral(source: string, start?: number, end?: number): void; + /** + * Validate a regular expression flags. E.g. "gim" + * @param source The source code to validate. + * @param start The start index in the source code. + * @param end The end index in the source code. + */ + validateFlags(source: string, start?: number, end?: number): void; + /** + * Validate a regular expression pattern. E.g. "abc" + * @param source The source code to validate. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @param flags The flags. + */ + validatePattern( + source: string, + start?: number, + end?: number, + flags?: { + unicode?: boolean; + unicodeSets?: boolean; + } + ): void; + /** + * @deprecated Backward compatibility + * Use object `flags` instead of boolean `uFlag`. + * @param source The source code to validate. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @param uFlag The flag to set unicode mode. + */ + validatePattern( + source: string, + start?: number, + end?: number, + uFlag?: boolean + ): void; + } +} + +declare module "@eslint-community/regexpp/visitor" { + import type { + Alternative, + Assertion, + Backreference, + CapturingGroup, + Character, + CharacterClass, + CharacterClassRange, + CharacterSet, + ClassIntersection, + ClassStringDisjunction, + ClassSubtraction, + ExpressionCharacterClass, + Flags, + Group, + ModifierFlags, + Modifiers, + Node, + Pattern, + Quantifier, + RegExpLiteral, + StringAlternative, + } from "@eslint-community/regexpp/ast"; + /** + * The visitor to walk on AST. + */ + export class RegExpVisitor { + /** + * Initialize this visitor. + * @param handlers Callbacks for each node. + */ + constructor(handlers: RegExpVisitor.Handlers); + /** + * Visit a given node and descendant nodes. + * @param node The root node to visit tree. + */ + visit(node: Node): void; + } + export namespace RegExpVisitor { + interface Handlers { + onAlternativeEnter?: (node: Alternative) => void; + onAlternativeLeave?: (node: Alternative) => void; + onAssertionEnter?: (node: Assertion) => void; + onAssertionLeave?: (node: Assertion) => void; + onBackreferenceEnter?: (node: Backreference) => void; + onBackreferenceLeave?: (node: Backreference) => void; + onCapturingGroupEnter?: (node: CapturingGroup) => void; + onCapturingGroupLeave?: (node: CapturingGroup) => void; + onCharacterEnter?: (node: Character) => void; + onCharacterLeave?: (node: Character) => void; + onCharacterClassEnter?: (node: CharacterClass) => void; + onCharacterClassLeave?: (node: CharacterClass) => void; + onCharacterClassRangeEnter?: (node: CharacterClassRange) => void; + onCharacterClassRangeLeave?: (node: CharacterClassRange) => void; + onCharacterSetEnter?: (node: CharacterSet) => void; + onCharacterSetLeave?: (node: CharacterSet) => void; + onClassIntersectionEnter?: (node: ClassIntersection) => void; + onClassIntersectionLeave?: (node: ClassIntersection) => void; + onClassStringDisjunctionEnter?: (node: ClassStringDisjunction) => void; + onClassStringDisjunctionLeave?: (node: ClassStringDisjunction) => void; + onClassSubtractionEnter?: (node: ClassSubtraction) => void; + onClassSubtractionLeave?: (node: ClassSubtraction) => void; + onExpressionCharacterClassEnter?: ( + node: ExpressionCharacterClass + ) => void; + onExpressionCharacterClassLeave?: ( + node: ExpressionCharacterClass + ) => void; + onFlagsEnter?: (node: Flags) => void; + onFlagsLeave?: (node: Flags) => void; + onGroupEnter?: (node: Group) => void; + onGroupLeave?: (node: Group) => void; + onModifierFlagsEnter?: (node: ModifierFlags) => void; + onModifierFlagsLeave?: (node: ModifierFlags) => void; + onModifiersEnter?: (node: Modifiers) => void; + onModifiersLeave?: (node: Modifiers) => void; + onPatternEnter?: (node: Pattern) => void; + onPatternLeave?: (node: Pattern) => void; + onQuantifierEnter?: (node: Quantifier) => void; + onQuantifierLeave?: (node: Quantifier) => void; + onRegExpLiteralEnter?: (node: RegExpLiteral) => void; + onRegExpLiteralLeave?: (node: RegExpLiteral) => void; + onStringAlternativeEnter?: (node: StringAlternative) => void; + onStringAlternativeLeave?: (node: StringAlternative) => void; + } + } +} + +declare module "@eslint-community/regexpp/regexp-syntax-error" { + import type { RegExpValidatorSourceContext } from "@eslint-community/regexpp/validator"; + export class RegExpSyntaxError extends SyntaxError { + index: number; + constructor(message: string, index: number); + } + export function newRegExpSyntaxError( + srcCtx: RegExpValidatorSourceContext, + flags: { + unicode: boolean; + unicodeSets: boolean; + }, + index: number, + message: string + ): RegExpSyntaxError; +} + +declare module "@eslint-community/regexpp/ecma-versions" { + export type EcmaVersion = + | 5 + | 2015 + | 2016 + | 2017 + | 2018 + | 2019 + | 2020 + | 2021 + | 2022 + | 2023 + | 2024 + | 2025; + export const latestEcmaVersion = 2025; +} diff --git a/module/node_modules/@eslint-community/regexpp/index.js b/module/node_modules/@eslint-community/regexpp/index.js new file mode 100644 index 000000000..d9b9026d2 --- /dev/null +++ b/module/node_modules/@eslint-community/regexpp/index.js @@ -0,0 +1,3042 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var ast = /*#__PURE__*/Object.freeze({ + __proto__: null +}); + +const latestEcmaVersion = 2025; + +let largeIdStartRanges = undefined; +let largeIdContinueRanges = undefined; +function isIdStart(cp) { + if (cp < 0x41) + return false; + if (cp < 0x5b) + return true; + if (cp < 0x61) + return false; + if (cp < 0x7b) + return true; + return isLargeIdStart(cp); +} +function isIdContinue(cp) { + if (cp < 0x30) + return false; + if (cp < 0x3a) + return true; + if (cp < 0x41) + return false; + if (cp < 0x5b) + return true; + if (cp === 0x5f) + return true; + if (cp < 0x61) + return false; + if (cp < 0x7b) + return true; + return isLargeIdStart(cp) || isLargeIdContinue(cp); +} +function isLargeIdStart(cp) { + return isInRange(cp, largeIdStartRanges !== null && largeIdStartRanges !== void 0 ? largeIdStartRanges : (largeIdStartRanges = initLargeIdStartRanges())); +} +function isLargeIdContinue(cp) { + return isInRange(cp, largeIdContinueRanges !== null && largeIdContinueRanges !== void 0 ? largeIdContinueRanges : (largeIdContinueRanges = initLargeIdContinueRanges())); +} +function initLargeIdStartRanges() { + return restoreRanges("4q 0 b 0 5 0 6 m 2 u 2 cp 5 b f 4 8 0 2 0 3m 4 2 1 3 3 2 0 7 0 2 2 2 0 2 j 2 2a 2 3u 9 4l 2 11 3 0 7 14 20 q 5 3 1a 16 10 1 2 2q 2 0 g 1 8 1 b 2 3 0 h 0 2 t u 2g c 0 p w a 1 5 0 6 l 5 0 a 0 4 0 o o 8 a 6 n 2 6 h 15 1n 1h 4 0 j 0 8 9 g f 5 7 3 1 3 l 2 6 2 0 4 3 4 0 h 0 e 1 2 2 f 1 b 0 9 5 5 1 3 l 2 6 2 1 2 1 2 1 w 3 2 0 k 2 h 8 2 2 2 l 2 6 2 1 2 4 4 0 j 0 g 1 o 0 c 7 3 1 3 l 2 6 2 1 2 4 4 0 v 1 2 2 g 0 i 0 2 5 4 2 2 3 4 1 2 0 2 1 4 1 4 2 4 b n 0 1h 7 2 2 2 m 2 f 4 0 r 2 2 1 3 1 v 0 5 7 2 2 2 m 2 9 2 4 4 0 v 2 2 1 g 1 i 8 2 2 2 14 3 0 h 0 6 2 9 2 p 5 6 h 4 n 2 8 2 0 3 6 1n 1b 2 1 d 6 1n 1 2 0 2 4 2 n 2 0 2 9 2 1 a 0 3 4 2 0 m 3 x 0 1s 7 2 z s 4 38 16 l 0 h 5 5 3 4 0 4 1 8 2 5 c d 0 i 11 2 0 6 0 3 16 2 98 2 3 3 6 2 0 2 3 3 14 2 3 3 w 2 3 3 6 2 0 2 3 3 e 2 1k 2 3 3 1u 12 f h 2d 3 5 4 h7 3 g 2 p 6 22 4 a 8 h e i f h f c 2 2 g 1f 10 0 5 0 1w 2g 8 14 2 0 6 1x b u 1e t 3 4 c 17 5 p 1j m a 1g 2b 0 2m 1a i 7 1j t e 1 b 17 r z 16 2 b z 3 a 6 16 3 2 16 3 2 5 2 1 4 0 6 5b 1t 7p 3 5 3 11 3 5 3 7 2 0 2 0 2 0 2 u 3 1g 2 6 2 0 4 2 2 6 4 3 3 5 5 c 6 2 2 6 39 0 e 0 h c 2u 0 5 0 3 9 2 0 3 5 7 0 2 0 2 0 2 f 3 3 6 4 5 0 i 14 22g 6c 7 3 4 1 d 11 2 0 6 0 3 1j 8 0 h m a 6 2 6 2 6 2 6 2 6 2 6 2 6 2 6 fb 2 q 8 8 4 3 4 5 2d 5 4 2 2h 2 3 6 16 2 2l i v 1d f e9 533 1t h3g 1w 19 3 7g 4 f b 1 l 1a h u 3 27 14 8 3 2u 3 29 l g 2 2 2 3 2 m u 1f f 1d 1r 5 4 0 2 1 c r b m q s 8 1a t 0 h 4 2 9 b 4 2 14 o 2 2 7 l m 4 0 4 1d 2 0 4 1 3 4 3 0 2 0 p 2 3 a 8 2 d 5 3 5 3 5 a 6 2 6 2 16 2 d 7 36 u 8mb d m 5 1c 6it a5 3 2x 13 6 d 4 6 0 2 9 2 c 2 4 2 0 2 1 2 1 2 2z y a2 j 1r 3 1h 15 b 39 4 2 3q 11 p 7 p c 2g 4 5 3 5 3 5 3 2 10 b 2 p 2 i 2 1 2 e 3 d z 3e 1y 1g 7g s 4 1c 1c v e t 6 11 b t 3 z 5 7 2 4 17 4d j z 5 z 5 13 9 1f d a 2 e 2 6 2 1 2 a 2 e 2 6 2 1 4 1f d 8m a l b 7 p 5 2 15 2 8 1y 5 3 0 2 17 2 1 4 0 3 m b m a u 1u i 2 1 b l b p 7 p 13 1j 7 1 1t 0 g 3 2 2 2 s 17 s 4 s 10 7 2 r s 1h b l b i e h 33 20 1k 1e e 1e e z 13 r a m 6z 15 7 1 h 5 1l s b 0 9 l 17 h 1b k s m d 1g 1m 1 3 0 e 18 x o r z u 0 3 0 9 y 4 0 d 1b f 3 m 0 2 0 10 h 2 o k 1 1s 6 2 0 2 3 2 e 2 9 8 1a 13 7 3 1 3 l 2 6 2 1 2 4 4 0 j 0 d 4 v 9 2 0 3 0 2 11 2 0 q 0 2 0 19 1g j 3 l 2 v 1b l 1 2 0 55 1a 16 3 11 1b l 0 1o 16 e 0 20 q 12 6 56 17 39 1r w 7 3 0 3 7 2 1 2 n g 0 2 0 2n 7 3 12 h 0 2 0 t 0 b 13 8 0 m 0 c 19 k 0 j 20 5k w w 8 2 10 i 0 1e t 35 6 2 1 2 11 m 0 q 5 2 1 2 v f 0 o 17 79 i g 0 2 c 2 x 3h 0 28 pl 2v 32 i 5f 219 2o g tr i 5 q 32y 6 g6 5a2 t 1cz fs 8 u i 26 i t j 1b h 3 w k 6 i c1 18 5w 1r x o 3 o 19 22 6 0 1v c 1t 1 2 0 f 4 a 5p1 16 v 2q 36 6pq 3 2 6 2 1 2 82 g 0 u 2 3 0 f 3 9 az 1s5 2y 6 c 4 8 8 9 4mf 2c 2 1y 2 1 3 0 3 1 3 3 2 b 2 0 2 6 2 1s 2 3 3 7 2 6 2 r 2 3 2 4 2 0 4 6 2 9f 3 o 2 o 2 u 2 o 2 u 2 o 2 u 2 o 2 u 2 o 2 7 1f9 u 7 5 7a 1p 43 18 b 6 h 0 8y t j 17 dh r 6d t 3 0 5s u 2 2 2 1 2 6 3 4 a 1 69 6 2 3 2 1 2 e 2 5g 1o 1v 8 0 xh 3 2 q 2 1 2 0 3 0 2 9 2 3 2 0 2 0 7 0 5 0 2 0 2 0 2 2 2 1 2 0 3 0 2 0 2 0 2 0 2 0 2 1 2 0 3 3 2 6 2 3 2 3 2 0 2 9 2 g 6 2 2 4 2 g 3et wyn x 3dp 3 4gd 3 5rk g h9 1wj f1 15v 3t6 6 6jt"); +} +function initLargeIdContinueRanges() { + return restoreRanges("53 0 g9 33 o 0 70 4 7e 18 2 0 2 1 2 1 2 0 21 a 1d u 7 0 2u 6 3 5 3 1 2 3 3 9 o 0 v q 2k a g 9 y 8 a 0 p 3 2 8 2 2 2 4 18 2 1o 8 17 n 2 w 1j 2 2 h 2 6 b 1 3 9 i 2 1l 0 2 6 3 1 3 2 a 0 b 1 3 9 f 0 3 2 1l 0 2 4 5 1 3 2 4 0 l b 4 0 c 2 1l 0 2 7 2 2 2 2 l 1 3 9 b 5 2 2 1l 0 2 6 3 1 3 2 8 2 b 1 3 9 j 0 1o 4 4 2 2 3 a 0 f 9 h 4 1k 0 2 6 2 2 2 3 8 1 c 1 3 9 i 2 1l 0 2 6 2 2 2 3 8 1 c 1 3 9 4 0 d 3 1k 1 2 6 2 2 2 3 a 0 b 1 3 9 i 2 1z 0 5 5 2 0 2 7 7 9 3 1 1q 0 3 6 d 7 2 9 2g 0 3 8 c 6 2 9 1r 1 7 9 c 0 2 0 2 0 5 1 1e j 2 1 6 a 2 z a 0 2t j 2 9 d 3 5 2 2 2 3 6 4 3 e b 2 e jk 2 a 8 pt 3 t 2 u 1 v 1 1t v a 0 3 9 y 2 2 a 40 0 3b b 5 b b 9 3l a 1p 4 1m 9 2 s 3 a 7 9 n d 2 u 3 b l 4 1c g c 9 i 8 d 2 v c 3 9 19 d 1d j 9 9 7 9 3b 2 2 k 5 0 7 0 3 2 5j 1r el 1 1e 1 k 0 3g c 5 0 4 b 2db 2 3y 0 2p v ff 5 2y 1 2p 0 n51 9 1y 0 5 9 x 1 29 1 7l 0 4 0 5 0 o 4 5 0 2c 1 1f h b 9 7 h e a t 7 q c 19 3 1c d g 9 c 0 b 9 1c d d 0 9 1 3 9 y 2 1f 0 2 2 3 1 6 1 2 0 16 4 6 1 6l 7 2 1 3 9 fmt 0 ki f h f 4 1 p 2 5d 9 12 0 12 0 ig 0 6b 0 46 4 86 9 120 2 2 1 6 3 15 2 5 0 4m 1 fy 3 9 9 7 9 w 4 8u 1 26 5 1z a 1e 3 3f 2 1i e w a 3 1 b 3 1a a 8 0 1a 9 7 2 11 d 2 9 6 1 19 0 d 2 1d d 9 3 2 b 2b b 7 0 3 0 4e b 6 9 7 3 1k 1 2 6 3 1 3 2 a 0 b 1 3 6 4 4 1w 8 2 0 3 0 2 3 2 4 2 0 f 1 2b h a 9 5 0 2a j d 9 5y 6 3 8 s 1 2b g g 9 2a c 9 9 7 j 1m e 5 9 6r e 4m 9 1z 5 2 1 3 3 2 0 2 1 d 9 3c 6 3 6 4 0 t 9 15 6 2 3 9 0 a a 1b f 5j 7 3t 9 1i 7 2 7 h 9 1l l 2 d 3f 5 4 0 2 1 2 6 2 0 9 9 1d 4 2 1 2 4 9 9 1j 9 7e 3 a 1 2 0 1d 6 4 4 e a 44m 0 7 e 8uh r 1t3 9 2f 9 13 4 1o 6 q 9 ev 9 d2 0 2 1i 8 3 2a 0 c 1 f58 1 382 9 ef 19 3 m f3 4 4 5 9 7 3 6 v 3 45 2 13e 1d e9 1i 5 1d 9 0 f 0 n 4 2 e 11t 6 2 g 3 6 2 1 2 4 2t 0 4h 6 a 9 9x 0 1q d dv d 6t 1 2 9 6h 0 3 0 8 1 6 0 d7 6 32 6 6 9 3o7 9 gvt3 6n"); +} +function isInRange(cp, ranges) { + let l = 0, r = (ranges.length / 2) | 0, i = 0, min = 0, max = 0; + while (l < r) { + i = ((l + r) / 2) | 0; + min = ranges[2 * i]; + max = ranges[2 * i + 1]; + if (cp < min) { + r = i; + } + else if (cp > max) { + l = i + 1; + } + else { + return true; + } + } + return false; +} +function restoreRanges(data) { + let last = 0; + return data.split(" ").map((s) => (last += parseInt(s, 36) | 0)); +} + +class DataSet { + constructor(raw2018, raw2019, raw2020, raw2021, raw2022, raw2023, raw2024, raw2025, raw2026) { + this._raw2018 = raw2018; + this._raw2019 = raw2019; + this._raw2020 = raw2020; + this._raw2021 = raw2021; + this._raw2022 = raw2022; + this._raw2023 = raw2023; + this._raw2024 = raw2024; + this._raw2025 = raw2025; + this._raw2026 = raw2026; + } + get es2018() { + var _a; + return ((_a = this._set2018) !== null && _a !== void 0 ? _a : (this._set2018 = new Set(this._raw2018.split(" ")))); + } + get es2019() { + var _a; + return ((_a = this._set2019) !== null && _a !== void 0 ? _a : (this._set2019 = new Set(this._raw2019.split(" ")))); + } + get es2020() { + var _a; + return ((_a = this._set2020) !== null && _a !== void 0 ? _a : (this._set2020 = new Set(this._raw2020.split(" ")))); + } + get es2021() { + var _a; + return ((_a = this._set2021) !== null && _a !== void 0 ? _a : (this._set2021 = new Set(this._raw2021.split(" ")))); + } + get es2022() { + var _a; + return ((_a = this._set2022) !== null && _a !== void 0 ? _a : (this._set2022 = new Set(this._raw2022.split(" ")))); + } + get es2023() { + var _a; + return ((_a = this._set2023) !== null && _a !== void 0 ? _a : (this._set2023 = new Set(this._raw2023.split(" ")))); + } + get es2024() { + var _a; + return ((_a = this._set2024) !== null && _a !== void 0 ? _a : (this._set2024 = new Set(this._raw2024.split(" ")))); + } + get es2025() { + var _a; + return ((_a = this._set2025) !== null && _a !== void 0 ? _a : (this._set2025 = new Set(this._raw2025.split(" ")))); + } + get es2026() { + var _a; + return ((_a = this._set2026) !== null && _a !== void 0 ? _a : (this._set2026 = new Set(this._raw2026.split(" ")))); + } +} +const gcNameSet = new Set(["General_Category", "gc"]); +const scNameSet = new Set(["Script", "Script_Extensions", "sc", "scx"]); +const gcValueSets = new DataSet("C Cased_Letter Cc Cf Close_Punctuation Cn Co Combining_Mark Connector_Punctuation Control Cs Currency_Symbol Dash_Punctuation Decimal_Number Enclosing_Mark Final_Punctuation Format Initial_Punctuation L LC Letter Letter_Number Line_Separator Ll Lm Lo Lowercase_Letter Lt Lu M Mark Math_Symbol Mc Me Mn Modifier_Letter Modifier_Symbol N Nd Nl No Nonspacing_Mark Number Open_Punctuation Other Other_Letter Other_Number Other_Punctuation Other_Symbol P Paragraph_Separator Pc Pd Pe Pf Pi Po Private_Use Ps Punctuation S Sc Separator Sk Sm So Space_Separator Spacing_Mark Surrogate Symbol Titlecase_Letter Unassigned Uppercase_Letter Z Zl Zp Zs cntrl digit punct", "", "", "", "", "", "", "", ""); +const scValueSets = new DataSet("Adlam Adlm Aghb Ahom Anatolian_Hieroglyphs Arab Arabic Armenian Armi Armn Avestan Avst Bali Balinese Bamu Bamum Bass Bassa_Vah Batak Batk Beng Bengali Bhaiksuki Bhks Bopo Bopomofo Brah Brahmi Brai Braille Bugi Buginese Buhd Buhid Cakm Canadian_Aboriginal Cans Cari Carian Caucasian_Albanian Chakma Cham Cher Cherokee Common Copt Coptic Cprt Cuneiform Cypriot Cyrillic Cyrl Deseret Deva Devanagari Dsrt Dupl Duployan Egyp Egyptian_Hieroglyphs Elba Elbasan Ethi Ethiopic Geor Georgian Glag Glagolitic Gonm Goth Gothic Gran Grantha Greek Grek Gujarati Gujr Gurmukhi Guru Han Hang Hangul Hani Hano Hanunoo Hatr Hatran Hebr Hebrew Hira Hiragana Hluw Hmng Hung Imperial_Aramaic Inherited Inscriptional_Pahlavi Inscriptional_Parthian Ital Java Javanese Kaithi Kali Kana Kannada Katakana Kayah_Li Khar Kharoshthi Khmer Khmr Khoj Khojki Khudawadi Knda Kthi Lana Lao Laoo Latin Latn Lepc Lepcha Limb Limbu Lina Linb Linear_A Linear_B Lisu Lyci Lycian Lydi Lydian Mahajani Mahj Malayalam Mand Mandaic Mani Manichaean Marc Marchen Masaram_Gondi Meetei_Mayek Mend Mende_Kikakui Merc Mero Meroitic_Cursive Meroitic_Hieroglyphs Miao Mlym Modi Mong Mongolian Mro Mroo Mtei Mult Multani Myanmar Mymr Nabataean Narb Nbat New_Tai_Lue Newa Nko Nkoo Nshu Nushu Ogam Ogham Ol_Chiki Olck Old_Hungarian Old_Italic Old_North_Arabian Old_Permic Old_Persian Old_South_Arabian Old_Turkic Oriya Orkh Orya Osage Osge Osma Osmanya Pahawh_Hmong Palm Palmyrene Pau_Cin_Hau Pauc Perm Phag Phags_Pa Phli Phlp Phnx Phoenician Plrd Prti Psalter_Pahlavi Qaac Qaai Rejang Rjng Runic Runr Samaritan Samr Sarb Saur Saurashtra Sgnw Sharada Shavian Shaw Shrd Sidd Siddham SignWriting Sind Sinh Sinhala Sora Sora_Sompeng Soyo Soyombo Sund Sundanese Sylo Syloti_Nagri Syrc Syriac Tagalog Tagb Tagbanwa Tai_Le Tai_Tham Tai_Viet Takr Takri Tale Talu Tamil Taml Tang Tangut Tavt Telu Telugu Tfng Tglg Thaa Thaana Thai Tibetan Tibt Tifinagh Tirh Tirhuta Ugar Ugaritic Vai Vaii Wara Warang_Citi Xpeo Xsux Yi Yiii Zanabazar_Square Zanb Zinh Zyyy", "Dogr Dogra Gong Gunjala_Gondi Hanifi_Rohingya Maka Makasar Medefaidrin Medf Old_Sogdian Rohg Sogd Sogdian Sogo", "Elym Elymaic Hmnp Nand Nandinagari Nyiakeng_Puachue_Hmong Wancho Wcho", "Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi", "Cpmn Cypro_Minoan Old_Uyghur Ougr Tangsa Tnsa Toto Vith Vithkuqi", "Berf Beria_Erfe Gara Garay Gukh Gurung_Khema Hrkt Katakana_Or_Hiragana Kawi Kirat_Rai Krai Nag_Mundari Nagm Ol_Onal Onao Sidetic Sidt Sunu Sunuwar Tai_Yo Tayo Todhri Todr Tolong_Siki Tols Tulu_Tigalari Tutg Unknown Zzzz", "", "", ""); +const binPropertySets = new DataSet("AHex ASCII ASCII_Hex_Digit Alpha Alphabetic Any Assigned Bidi_C Bidi_Control Bidi_M Bidi_Mirrored CI CWCF CWCM CWKCF CWL CWT CWU Case_Ignorable Cased Changes_When_Casefolded Changes_When_Casemapped Changes_When_Lowercased Changes_When_NFKC_Casefolded Changes_When_Titlecased Changes_When_Uppercased DI Dash Default_Ignorable_Code_Point Dep Deprecated Dia Diacritic Emoji Emoji_Component Emoji_Modifier Emoji_Modifier_Base Emoji_Presentation Ext Extender Gr_Base Gr_Ext Grapheme_Base Grapheme_Extend Hex Hex_Digit IDC IDS IDSB IDST IDS_Binary_Operator IDS_Trinary_Operator ID_Continue ID_Start Ideo Ideographic Join_C Join_Control LOE Logical_Order_Exception Lower Lowercase Math NChar Noncharacter_Code_Point Pat_Syn Pat_WS Pattern_Syntax Pattern_White_Space QMark Quotation_Mark RI Radical Regional_Indicator SD STerm Sentence_Terminal Soft_Dotted Term Terminal_Punctuation UIdeo Unified_Ideograph Upper Uppercase VS Variation_Selector White_Space XIDC XIDS XID_Continue XID_Start space", "Extended_Pictographic", "", "EBase EComp EMod EPres ExtPict", "", "", "", "", ""); +const binPropertyOfStringsSets = new DataSet("", "", "", "", "", "", "Basic_Emoji Emoji_Keycap_Sequence RGI_Emoji RGI_Emoji_Flag_Sequence RGI_Emoji_Modifier_Sequence RGI_Emoji_Tag_Sequence RGI_Emoji_ZWJ_Sequence", "", ""); +function isValidUnicodeProperty(version, name, value) { + if (gcNameSet.has(name)) { + return version >= 2018 && gcValueSets.es2018.has(value); + } + if (scNameSet.has(name)) { + return ((version >= 2018 && scValueSets.es2018.has(value)) || + (version >= 2019 && scValueSets.es2019.has(value)) || + (version >= 2020 && scValueSets.es2020.has(value)) || + (version >= 2021 && scValueSets.es2021.has(value)) || + (version >= 2022 && scValueSets.es2022.has(value)) || + (version >= 2023 && scValueSets.es2023.has(value))); + } + return false; +} +function isValidLoneUnicodeProperty(version, value) { + return ((version >= 2018 && binPropertySets.es2018.has(value)) || + (version >= 2019 && binPropertySets.es2019.has(value)) || + (version >= 2021 && binPropertySets.es2021.has(value))); +} +function isValidLoneUnicodePropertyOfString(version, value) { + return version >= 2024 && binPropertyOfStringsSets.es2024.has(value); +} + +const BACKSPACE = 0x08; +const CHARACTER_TABULATION = 0x09; +const LINE_FEED = 0x0a; +const LINE_TABULATION = 0x0b; +const FORM_FEED = 0x0c; +const CARRIAGE_RETURN = 0x0d; +const EXCLAMATION_MARK = 0x21; +const NUMBER_SIGN = 0x23; +const DOLLAR_SIGN = 0x24; +const PERCENT_SIGN = 0x25; +const AMPERSAND = 0x26; +const LEFT_PARENTHESIS = 0x28; +const RIGHT_PARENTHESIS = 0x29; +const ASTERISK = 0x2a; +const PLUS_SIGN = 0x2b; +const COMMA = 0x2c; +const HYPHEN_MINUS = 0x2d; +const FULL_STOP = 0x2e; +const SOLIDUS = 0x2f; +const DIGIT_ZERO = 0x30; +const DIGIT_ONE = 0x31; +const DIGIT_SEVEN = 0x37; +const DIGIT_NINE = 0x39; +const COLON = 0x3a; +const SEMICOLON = 0x3b; +const LESS_THAN_SIGN = 0x3c; +const EQUALS_SIGN = 0x3d; +const GREATER_THAN_SIGN = 0x3e; +const QUESTION_MARK = 0x3f; +const COMMERCIAL_AT = 0x40; +const LATIN_CAPITAL_LETTER_A = 0x41; +const LATIN_CAPITAL_LETTER_B = 0x42; +const LATIN_CAPITAL_LETTER_D = 0x44; +const LATIN_CAPITAL_LETTER_F = 0x46; +const LATIN_CAPITAL_LETTER_P = 0x50; +const LATIN_CAPITAL_LETTER_S = 0x53; +const LATIN_CAPITAL_LETTER_W = 0x57; +const LATIN_CAPITAL_LETTER_Z = 0x5a; +const LOW_LINE = 0x5f; +const LATIN_SMALL_LETTER_A = 0x61; +const LATIN_SMALL_LETTER_B = 0x62; +const LATIN_SMALL_LETTER_C = 0x63; +const LATIN_SMALL_LETTER_D = 0x64; +const LATIN_SMALL_LETTER_F = 0x66; +const LATIN_SMALL_LETTER_G = 0x67; +const LATIN_SMALL_LETTER_I = 0x69; +const LATIN_SMALL_LETTER_K = 0x6b; +const LATIN_SMALL_LETTER_M = 0x6d; +const LATIN_SMALL_LETTER_N = 0x6e; +const LATIN_SMALL_LETTER_P = 0x70; +const LATIN_SMALL_LETTER_Q = 0x71; +const LATIN_SMALL_LETTER_R = 0x72; +const LATIN_SMALL_LETTER_S = 0x73; +const LATIN_SMALL_LETTER_T = 0x74; +const LATIN_SMALL_LETTER_U = 0x75; +const LATIN_SMALL_LETTER_V = 0x76; +const LATIN_SMALL_LETTER_W = 0x77; +const LATIN_SMALL_LETTER_X = 0x78; +const LATIN_SMALL_LETTER_Y = 0x79; +const LATIN_SMALL_LETTER_Z = 0x7a; +const LEFT_SQUARE_BRACKET = 0x5b; +const REVERSE_SOLIDUS = 0x5c; +const RIGHT_SQUARE_BRACKET = 0x5d; +const CIRCUMFLEX_ACCENT = 0x5e; +const GRAVE_ACCENT = 0x60; +const LEFT_CURLY_BRACKET = 0x7b; +const VERTICAL_LINE = 0x7c; +const RIGHT_CURLY_BRACKET = 0x7d; +const TILDE = 0x7e; +const ZERO_WIDTH_NON_JOINER = 0x200c; +const ZERO_WIDTH_JOINER = 0x200d; +const LINE_SEPARATOR = 0x2028; +const PARAGRAPH_SEPARATOR = 0x2029; +const MIN_CODE_POINT = 0x00; +const MAX_CODE_POINT = 0x10ffff; +function isLatinLetter(code) { + return ((code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_Z) || + (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_Z)); +} +function isDecimalDigit(code) { + return code >= DIGIT_ZERO && code <= DIGIT_NINE; +} +function isOctalDigit(code) { + return code >= DIGIT_ZERO && code <= DIGIT_SEVEN; +} +function isHexDigit(code) { + return ((code >= DIGIT_ZERO && code <= DIGIT_NINE) || + (code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_F) || + (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_F)); +} +function isLineTerminator(code) { + return (code === LINE_FEED || + code === CARRIAGE_RETURN || + code === LINE_SEPARATOR || + code === PARAGRAPH_SEPARATOR); +} +function isValidUnicode(code) { + return code >= MIN_CODE_POINT && code <= MAX_CODE_POINT; +} +function digitToInt(code) { + if (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_F) { + return code - LATIN_SMALL_LETTER_A + 10; + } + if (code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_F) { + return code - LATIN_CAPITAL_LETTER_A + 10; + } + return code - DIGIT_ZERO; +} +function isLeadSurrogate(code) { + return code >= 0xd800 && code <= 0xdbff; +} +function isTrailSurrogate(code) { + return code >= 0xdc00 && code <= 0xdfff; +} +function combineSurrogatePair(lead, trail) { + return (lead - 0xd800) * 0x400 + (trail - 0xdc00) + 0x10000; +} + +class GroupSpecifiersAsES2018 { + constructor() { + this.groupName = new Set(); + } + clear() { + this.groupName.clear(); + } + isEmpty() { + return !this.groupName.size; + } + hasInPattern(name) { + return this.groupName.has(name); + } + hasInScope(name) { + return this.hasInPattern(name); + } + addToScope(name) { + this.groupName.add(name); + } + enterDisjunction() { + } + enterAlternative() { + } + leaveDisjunction() { + } +} +class BranchID { + constructor(parent, base) { + this.parent = parent; + this.base = base !== null && base !== void 0 ? base : this; + } + separatedFrom(other) { + var _a, _b; + if (this.base === other.base && this !== other) { + return true; + } + if (other.parent && this.separatedFrom(other.parent)) { + return true; + } + return (_b = (_a = this.parent) === null || _a === void 0 ? void 0 : _a.separatedFrom(other)) !== null && _b !== void 0 ? _b : false; + } + child() { + return new BranchID(this, null); + } + sibling() { + return new BranchID(this.parent, this.base); + } +} +class GroupSpecifiersAsES2025 { + constructor() { + this.branchID = new BranchID(null, null); + this.groupNames = new Map(); + } + clear() { + this.branchID = new BranchID(null, null); + this.groupNames.clear(); + } + isEmpty() { + return !this.groupNames.size; + } + enterDisjunction() { + this.branchID = this.branchID.child(); + } + enterAlternative(index) { + if (index === 0) { + return; + } + this.branchID = this.branchID.sibling(); + } + leaveDisjunction() { + this.branchID = this.branchID.parent; + } + hasInPattern(name) { + return this.groupNames.has(name); + } + hasInScope(name) { + const branches = this.groupNames.get(name); + if (!branches) { + return false; + } + for (const branch of branches) { + if (!branch.separatedFrom(this.branchID)) { + return true; + } + } + return false; + } + addToScope(name) { + const branches = this.groupNames.get(name); + if (branches) { + branches.push(this.branchID); + return; + } + this.groupNames.set(name, [this.branchID]); + } +} + +const legacyImpl = { + at(s, end, i) { + return i < end ? s.charCodeAt(i) : -1; + }, + width(c) { + return 1; + }, +}; +const unicodeImpl = { + at(s, end, i) { + return i < end ? s.codePointAt(i) : -1; + }, + width(c) { + return c > 0xffff ? 2 : 1; + }, +}; +class Reader { + constructor() { + this._impl = legacyImpl; + this._s = ""; + this._i = 0; + this._end = 0; + this._cp1 = -1; + this._w1 = 1; + this._cp2 = -1; + this._w2 = 1; + this._cp3 = -1; + this._w3 = 1; + this._cp4 = -1; + } + get source() { + return this._s; + } + get index() { + return this._i; + } + get currentCodePoint() { + return this._cp1; + } + get nextCodePoint() { + return this._cp2; + } + get nextCodePoint2() { + return this._cp3; + } + get nextCodePoint3() { + return this._cp4; + } + reset(source, start, end, uFlag) { + this._impl = uFlag ? unicodeImpl : legacyImpl; + this._s = source; + this._end = end; + this.rewind(start); + } + rewind(index) { + const impl = this._impl; + this._i = index; + this._cp1 = impl.at(this._s, this._end, index); + this._w1 = impl.width(this._cp1); + this._cp2 = impl.at(this._s, this._end, index + this._w1); + this._w2 = impl.width(this._cp2); + this._cp3 = impl.at(this._s, this._end, index + this._w1 + this._w2); + this._w3 = impl.width(this._cp3); + this._cp4 = impl.at(this._s, this._end, index + this._w1 + this._w2 + this._w3); + } + advance() { + if (this._cp1 !== -1) { + const impl = this._impl; + this._i += this._w1; + this._cp1 = this._cp2; + this._w1 = this._w2; + this._cp2 = this._cp3; + this._w2 = impl.width(this._cp2); + this._cp3 = this._cp4; + this._w3 = impl.width(this._cp3); + this._cp4 = impl.at(this._s, this._end, this._i + this._w1 + this._w2 + this._w3); + } + } + eat(cp) { + if (this._cp1 === cp) { + this.advance(); + return true; + } + return false; + } + eat2(cp1, cp2) { + if (this._cp1 === cp1 && this._cp2 === cp2) { + this.advance(); + this.advance(); + return true; + } + return false; + } + eat3(cp1, cp2, cp3) { + if (this._cp1 === cp1 && this._cp2 === cp2 && this._cp3 === cp3) { + this.advance(); + this.advance(); + this.advance(); + return true; + } + return false; + } +} + +class RegExpSyntaxError extends SyntaxError { + constructor(message, index) { + super(message); + this.index = index; + } +} +function newRegExpSyntaxError(srcCtx, flags, index, message) { + let source = ""; + if (srcCtx.kind === "literal") { + const literal = srcCtx.source.slice(srcCtx.start, srcCtx.end); + if (literal) { + source = `: ${literal}`; + } + } + else if (srcCtx.kind === "pattern") { + const pattern = srcCtx.source.slice(srcCtx.start, srcCtx.end); + const flagsText = `${flags.unicode ? "u" : ""}${flags.unicodeSets ? "v" : ""}`; + source = `: /${pattern}/${flagsText}`; + } + return new RegExpSyntaxError(`Invalid regular expression${source}: ${message}`, index); +} + +const SYNTAX_CHARACTER = new Set([ + CIRCUMFLEX_ACCENT, + DOLLAR_SIGN, + REVERSE_SOLIDUS, + FULL_STOP, + ASTERISK, + PLUS_SIGN, + QUESTION_MARK, + LEFT_PARENTHESIS, + RIGHT_PARENTHESIS, + LEFT_SQUARE_BRACKET, + RIGHT_SQUARE_BRACKET, + LEFT_CURLY_BRACKET, + RIGHT_CURLY_BRACKET, + VERTICAL_LINE, +]); +const CLASS_SET_RESERVED_DOUBLE_PUNCTUATOR_CHARACTER = new Set([ + AMPERSAND, + EXCLAMATION_MARK, + NUMBER_SIGN, + DOLLAR_SIGN, + PERCENT_SIGN, + ASTERISK, + PLUS_SIGN, + COMMA, + FULL_STOP, + COLON, + SEMICOLON, + LESS_THAN_SIGN, + EQUALS_SIGN, + GREATER_THAN_SIGN, + QUESTION_MARK, + COMMERCIAL_AT, + CIRCUMFLEX_ACCENT, + GRAVE_ACCENT, + TILDE, +]); +const CLASS_SET_SYNTAX_CHARACTER = new Set([ + LEFT_PARENTHESIS, + RIGHT_PARENTHESIS, + LEFT_SQUARE_BRACKET, + RIGHT_SQUARE_BRACKET, + LEFT_CURLY_BRACKET, + RIGHT_CURLY_BRACKET, + SOLIDUS, + HYPHEN_MINUS, + REVERSE_SOLIDUS, + VERTICAL_LINE, +]); +const CLASS_SET_RESERVED_PUNCTUATOR = new Set([ + AMPERSAND, + HYPHEN_MINUS, + EXCLAMATION_MARK, + NUMBER_SIGN, + PERCENT_SIGN, + COMMA, + COLON, + SEMICOLON, + LESS_THAN_SIGN, + EQUALS_SIGN, + GREATER_THAN_SIGN, + COMMERCIAL_AT, + GRAVE_ACCENT, + TILDE, +]); +const FLAG_PROP_TO_CODEPOINT = { + global: LATIN_SMALL_LETTER_G, + ignoreCase: LATIN_SMALL_LETTER_I, + multiline: LATIN_SMALL_LETTER_M, + unicode: LATIN_SMALL_LETTER_U, + sticky: LATIN_SMALL_LETTER_Y, + dotAll: LATIN_SMALL_LETTER_S, + hasIndices: LATIN_SMALL_LETTER_D, + unicodeSets: LATIN_SMALL_LETTER_V, +}; +const FLAG_CODEPOINT_TO_PROP = Object.fromEntries(Object.entries(FLAG_PROP_TO_CODEPOINT).map(([k, v]) => [v, k])); +function isSyntaxCharacter(cp) { + return SYNTAX_CHARACTER.has(cp); +} +function isClassSetReservedDoublePunctuatorCharacter(cp) { + return CLASS_SET_RESERVED_DOUBLE_PUNCTUATOR_CHARACTER.has(cp); +} +function isClassSetSyntaxCharacter(cp) { + return CLASS_SET_SYNTAX_CHARACTER.has(cp); +} +function isClassSetReservedPunctuator(cp) { + return CLASS_SET_RESERVED_PUNCTUATOR.has(cp); +} +function isIdentifierStartChar(cp) { + return isIdStart(cp) || cp === DOLLAR_SIGN || cp === LOW_LINE; +} +function isIdentifierPartChar(cp) { + return (isIdContinue(cp) || + cp === DOLLAR_SIGN || + cp === ZERO_WIDTH_NON_JOINER || + cp === ZERO_WIDTH_JOINER); +} +function isUnicodePropertyNameCharacter(cp) { + return isLatinLetter(cp) || cp === LOW_LINE; +} +function isUnicodePropertyValueCharacter(cp) { + return isUnicodePropertyNameCharacter(cp) || isDecimalDigit(cp); +} +function isRegularExpressionModifier(ch) { + return (ch === LATIN_SMALL_LETTER_I || + ch === LATIN_SMALL_LETTER_M || + ch === LATIN_SMALL_LETTER_S); +} +class RegExpValidator { + constructor(options) { + this._reader = new Reader(); + this._unicodeMode = false; + this._unicodeSetsMode = false; + this._nFlag = false; + this._lastIntValue = 0; + this._lastRange = { + min: 0, + max: Number.POSITIVE_INFINITY, + }; + this._lastStrValue = ""; + this._lastAssertionIsQuantifiable = false; + this._numCapturingParens = 0; + this._backreferenceNames = new Set(); + this._srcCtx = null; + this._options = options !== null && options !== void 0 ? options : {}; + this._groupSpecifiers = + this.ecmaVersion >= 2025 + ? new GroupSpecifiersAsES2025() + : new GroupSpecifiersAsES2018(); + } + validateLiteral(source, start = 0, end = source.length) { + this._srcCtx = { source, start, end, kind: "literal" }; + this._unicodeSetsMode = this._unicodeMode = this._nFlag = false; + this.reset(source, start, end); + this.onLiteralEnter(start); + if (this.eat(SOLIDUS) && this.eatRegExpBody() && this.eat(SOLIDUS)) { + const flagStart = this.index; + const unicode = source.includes("u", flagStart); + const unicodeSets = source.includes("v", flagStart); + this.validateFlagsInternal(source, flagStart, end); + this.validatePatternInternal(source, start + 1, flagStart - 1, { + unicode, + unicodeSets, + }); + } + else if (start >= end) { + this.raise("Empty"); + } + else { + const c = String.fromCodePoint(this.currentCodePoint); + this.raise(`Unexpected character '${c}'`); + } + this.onLiteralLeave(start, end); + } + validateFlags(source, start = 0, end = source.length) { + this._srcCtx = { source, start, end, kind: "flags" }; + this.validateFlagsInternal(source, start, end); + } + validatePattern(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + this._srcCtx = { source, start, end, kind: "pattern" }; + this.validatePatternInternal(source, start, end, uFlagOrFlags); + } + validatePatternInternal(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + const mode = this._parseFlagsOptionToMode(uFlagOrFlags, end); + this._unicodeMode = mode.unicodeMode; + this._nFlag = mode.nFlag; + this._unicodeSetsMode = mode.unicodeSetsMode; + this.reset(source, start, end); + this.consumePattern(); + if (!this._nFlag && + this.ecmaVersion >= 2018 && + !this._groupSpecifiers.isEmpty()) { + this._nFlag = true; + this.rewind(start); + this.consumePattern(); + } + } + validateFlagsInternal(source, start, end) { + const flags = this.parseFlags(source, start, end); + this.onRegExpFlags(start, end, flags); + } + _parseFlagsOptionToMode(uFlagOrFlags, sourceEnd) { + let unicode = false; + let unicodeSets = false; + if (uFlagOrFlags && this.ecmaVersion >= 2015) { + if (typeof uFlagOrFlags === "object") { + unicode = Boolean(uFlagOrFlags.unicode); + if (this.ecmaVersion >= 2024) { + unicodeSets = Boolean(uFlagOrFlags.unicodeSets); + } + } + else { + unicode = uFlagOrFlags; + } + } + if (unicode && unicodeSets) { + this.raise("Invalid regular expression flags", { + index: sourceEnd + 1, + unicode, + unicodeSets, + }); + } + const unicodeMode = unicode || unicodeSets; + const nFlag = (unicode && this.ecmaVersion >= 2018) || + unicodeSets || + Boolean(this._options.strict && this.ecmaVersion >= 2023); + const unicodeSetsMode = unicodeSets; + return { unicodeMode, nFlag, unicodeSetsMode }; + } + get strict() { + return Boolean(this._options.strict) || this._unicodeMode; + } + get ecmaVersion() { + var _a; + return (_a = this._options.ecmaVersion) !== null && _a !== void 0 ? _a : latestEcmaVersion; + } + onLiteralEnter(start) { + if (this._options.onLiteralEnter) { + this._options.onLiteralEnter(start); + } + } + onLiteralLeave(start, end) { + if (this._options.onLiteralLeave) { + this._options.onLiteralLeave(start, end); + } + } + onRegExpFlags(start, end, flags) { + if (this._options.onRegExpFlags) { + this._options.onRegExpFlags(start, end, flags); + } + if (this._options.onFlags) { + this._options.onFlags(start, end, flags.global, flags.ignoreCase, flags.multiline, flags.unicode, flags.sticky, flags.dotAll, flags.hasIndices); + } + } + onPatternEnter(start) { + if (this._options.onPatternEnter) { + this._options.onPatternEnter(start); + } + } + onPatternLeave(start, end) { + if (this._options.onPatternLeave) { + this._options.onPatternLeave(start, end); + } + } + onDisjunctionEnter(start) { + if (this._options.onDisjunctionEnter) { + this._options.onDisjunctionEnter(start); + } + } + onDisjunctionLeave(start, end) { + if (this._options.onDisjunctionLeave) { + this._options.onDisjunctionLeave(start, end); + } + } + onAlternativeEnter(start, index) { + if (this._options.onAlternativeEnter) { + this._options.onAlternativeEnter(start, index); + } + } + onAlternativeLeave(start, end, index) { + if (this._options.onAlternativeLeave) { + this._options.onAlternativeLeave(start, end, index); + } + } + onGroupEnter(start) { + if (this._options.onGroupEnter) { + this._options.onGroupEnter(start); + } + } + onGroupLeave(start, end) { + if (this._options.onGroupLeave) { + this._options.onGroupLeave(start, end); + } + } + onModifiersEnter(start) { + if (this._options.onModifiersEnter) { + this._options.onModifiersEnter(start); + } + } + onModifiersLeave(start, end) { + if (this._options.onModifiersLeave) { + this._options.onModifiersLeave(start, end); + } + } + onAddModifiers(start, end, flags) { + if (this._options.onAddModifiers) { + this._options.onAddModifiers(start, end, flags); + } + } + onRemoveModifiers(start, end, flags) { + if (this._options.onRemoveModifiers) { + this._options.onRemoveModifiers(start, end, flags); + } + } + onCapturingGroupEnter(start, name) { + if (this._options.onCapturingGroupEnter) { + this._options.onCapturingGroupEnter(start, name); + } + } + onCapturingGroupLeave(start, end, name) { + if (this._options.onCapturingGroupLeave) { + this._options.onCapturingGroupLeave(start, end, name); + } + } + onQuantifier(start, end, min, max, greedy) { + if (this._options.onQuantifier) { + this._options.onQuantifier(start, end, min, max, greedy); + } + } + onLookaroundAssertionEnter(start, kind, negate) { + if (this._options.onLookaroundAssertionEnter) { + this._options.onLookaroundAssertionEnter(start, kind, negate); + } + } + onLookaroundAssertionLeave(start, end, kind, negate) { + if (this._options.onLookaroundAssertionLeave) { + this._options.onLookaroundAssertionLeave(start, end, kind, negate); + } + } + onEdgeAssertion(start, end, kind) { + if (this._options.onEdgeAssertion) { + this._options.onEdgeAssertion(start, end, kind); + } + } + onWordBoundaryAssertion(start, end, kind, negate) { + if (this._options.onWordBoundaryAssertion) { + this._options.onWordBoundaryAssertion(start, end, kind, negate); + } + } + onAnyCharacterSet(start, end, kind) { + if (this._options.onAnyCharacterSet) { + this._options.onAnyCharacterSet(start, end, kind); + } + } + onEscapeCharacterSet(start, end, kind, negate) { + if (this._options.onEscapeCharacterSet) { + this._options.onEscapeCharacterSet(start, end, kind, negate); + } + } + onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings) { + if (this._options.onUnicodePropertyCharacterSet) { + this._options.onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings); + } + } + onCharacter(start, end, value) { + if (this._options.onCharacter) { + this._options.onCharacter(start, end, value); + } + } + onBackreference(start, end, ref) { + if (this._options.onBackreference) { + this._options.onBackreference(start, end, ref); + } + } + onCharacterClassEnter(start, negate, unicodeSets) { + if (this._options.onCharacterClassEnter) { + this._options.onCharacterClassEnter(start, negate, unicodeSets); + } + } + onCharacterClassLeave(start, end, negate) { + if (this._options.onCharacterClassLeave) { + this._options.onCharacterClassLeave(start, end, negate); + } + } + onCharacterClassRange(start, end, min, max) { + if (this._options.onCharacterClassRange) { + this._options.onCharacterClassRange(start, end, min, max); + } + } + onClassIntersection(start, end) { + if (this._options.onClassIntersection) { + this._options.onClassIntersection(start, end); + } + } + onClassSubtraction(start, end) { + if (this._options.onClassSubtraction) { + this._options.onClassSubtraction(start, end); + } + } + onClassStringDisjunctionEnter(start) { + if (this._options.onClassStringDisjunctionEnter) { + this._options.onClassStringDisjunctionEnter(start); + } + } + onClassStringDisjunctionLeave(start, end) { + if (this._options.onClassStringDisjunctionLeave) { + this._options.onClassStringDisjunctionLeave(start, end); + } + } + onStringAlternativeEnter(start, index) { + if (this._options.onStringAlternativeEnter) { + this._options.onStringAlternativeEnter(start, index); + } + } + onStringAlternativeLeave(start, end, index) { + if (this._options.onStringAlternativeLeave) { + this._options.onStringAlternativeLeave(start, end, index); + } + } + get index() { + return this._reader.index; + } + get currentCodePoint() { + return this._reader.currentCodePoint; + } + get nextCodePoint() { + return this._reader.nextCodePoint; + } + get nextCodePoint2() { + return this._reader.nextCodePoint2; + } + get nextCodePoint3() { + return this._reader.nextCodePoint3; + } + reset(source, start, end) { + this._reader.reset(source, start, end, this._unicodeMode); + } + rewind(index) { + this._reader.rewind(index); + } + advance() { + this._reader.advance(); + } + eat(cp) { + return this._reader.eat(cp); + } + eat2(cp1, cp2) { + return this._reader.eat2(cp1, cp2); + } + eat3(cp1, cp2, cp3) { + return this._reader.eat3(cp1, cp2, cp3); + } + raise(message, context) { + var _a, _b, _c; + throw newRegExpSyntaxError(this._srcCtx, { + unicode: (_a = context === null || context === void 0 ? void 0 : context.unicode) !== null && _a !== void 0 ? _a : (this._unicodeMode && !this._unicodeSetsMode), + unicodeSets: (_b = context === null || context === void 0 ? void 0 : context.unicodeSets) !== null && _b !== void 0 ? _b : this._unicodeSetsMode, + }, (_c = context === null || context === void 0 ? void 0 : context.index) !== null && _c !== void 0 ? _c : this.index, message); + } + eatRegExpBody() { + const start = this.index; + let inClass = false; + let escaped = false; + for (;;) { + const cp = this.currentCodePoint; + if (cp === -1 || isLineTerminator(cp)) { + const kind = inClass ? "character class" : "regular expression"; + this.raise(`Unterminated ${kind}`); + } + if (escaped) { + escaped = false; + } + else if (cp === REVERSE_SOLIDUS) { + escaped = true; + } + else if (cp === LEFT_SQUARE_BRACKET) { + inClass = true; + } + else if (cp === RIGHT_SQUARE_BRACKET) { + inClass = false; + } + else if ((cp === SOLIDUS && !inClass) || + (cp === ASTERISK && this.index === start)) { + break; + } + this.advance(); + } + return this.index !== start; + } + consumePattern() { + const start = this.index; + this._numCapturingParens = this.countCapturingParens(); + this._groupSpecifiers.clear(); + this._backreferenceNames.clear(); + this.onPatternEnter(start); + this.consumeDisjunction(); + const cp = this.currentCodePoint; + if (this.currentCodePoint !== -1) { + if (cp === RIGHT_PARENTHESIS) { + this.raise("Unmatched ')'"); + } + if (cp === REVERSE_SOLIDUS) { + this.raise("\\ at end of pattern"); + } + if (cp === RIGHT_SQUARE_BRACKET || cp === RIGHT_CURLY_BRACKET) { + this.raise("Lone quantifier brackets"); + } + const c = String.fromCodePoint(cp); + this.raise(`Unexpected character '${c}'`); + } + for (const name of this._backreferenceNames) { + if (!this._groupSpecifiers.hasInPattern(name)) { + this.raise("Invalid named capture referenced"); + } + } + this.onPatternLeave(start, this.index); + } + countCapturingParens() { + const start = this.index; + let inClass = false; + let escaped = false; + let count = 0; + let cp = 0; + while ((cp = this.currentCodePoint) !== -1) { + if (escaped) { + escaped = false; + } + else if (cp === REVERSE_SOLIDUS) { + escaped = true; + } + else if (cp === LEFT_SQUARE_BRACKET) { + inClass = true; + } + else if (cp === RIGHT_SQUARE_BRACKET) { + inClass = false; + } + else if (cp === LEFT_PARENTHESIS && + !inClass && + (this.nextCodePoint !== QUESTION_MARK || + (this.nextCodePoint2 === LESS_THAN_SIGN && + this.nextCodePoint3 !== EQUALS_SIGN && + this.nextCodePoint3 !== EXCLAMATION_MARK))) { + count += 1; + } + this.advance(); + } + this.rewind(start); + return count; + } + consumeDisjunction() { + const start = this.index; + let i = 0; + this._groupSpecifiers.enterDisjunction(); + this.onDisjunctionEnter(start); + do { + this.consumeAlternative(i++); + } while (this.eat(VERTICAL_LINE)); + if (this.consumeQuantifier(true)) { + this.raise("Nothing to repeat"); + } + if (this.eat(LEFT_CURLY_BRACKET)) { + this.raise("Lone quantifier brackets"); + } + this.onDisjunctionLeave(start, this.index); + this._groupSpecifiers.leaveDisjunction(); + } + consumeAlternative(i) { + const start = this.index; + this._groupSpecifiers.enterAlternative(i); + this.onAlternativeEnter(start, i); + while (this.currentCodePoint !== -1 && this.consumeTerm()) { + } + this.onAlternativeLeave(start, this.index, i); + } + consumeTerm() { + if (this._unicodeMode || this.strict) { + return (this.consumeAssertion() || + (this.consumeAtom() && this.consumeOptionalQuantifier())); + } + return ((this.consumeAssertion() && + (!this._lastAssertionIsQuantifiable || + this.consumeOptionalQuantifier())) || + (this.consumeExtendedAtom() && this.consumeOptionalQuantifier())); + } + consumeOptionalQuantifier() { + this.consumeQuantifier(); + return true; + } + consumeAssertion() { + const start = this.index; + this._lastAssertionIsQuantifiable = false; + if (this.eat(CIRCUMFLEX_ACCENT)) { + this.onEdgeAssertion(start, this.index, "start"); + return true; + } + if (this.eat(DOLLAR_SIGN)) { + this.onEdgeAssertion(start, this.index, "end"); + return true; + } + if (this.eat2(REVERSE_SOLIDUS, LATIN_CAPITAL_LETTER_B)) { + this.onWordBoundaryAssertion(start, this.index, "word", true); + return true; + } + if (this.eat2(REVERSE_SOLIDUS, LATIN_SMALL_LETTER_B)) { + this.onWordBoundaryAssertion(start, this.index, "word", false); + return true; + } + if (this.eat2(LEFT_PARENTHESIS, QUESTION_MARK)) { + const lookbehind = this.ecmaVersion >= 2018 && this.eat(LESS_THAN_SIGN); + let negate = false; + if (this.eat(EQUALS_SIGN) || + (negate = this.eat(EXCLAMATION_MARK))) { + const kind = lookbehind ? "lookbehind" : "lookahead"; + this.onLookaroundAssertionEnter(start, kind, negate); + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this._lastAssertionIsQuantifiable = !lookbehind && !this.strict; + this.onLookaroundAssertionLeave(start, this.index, kind, negate); + return true; + } + this.rewind(start); + } + return false; + } + consumeQuantifier(noConsume = false) { + const start = this.index; + let min = 0; + let max = 0; + let greedy = false; + if (this.eat(ASTERISK)) { + min = 0; + max = Number.POSITIVE_INFINITY; + } + else if (this.eat(PLUS_SIGN)) { + min = 1; + max = Number.POSITIVE_INFINITY; + } + else if (this.eat(QUESTION_MARK)) { + min = 0; + max = 1; + } + else if (this.eatBracedQuantifier(noConsume)) { + ({ min, max } = this._lastRange); + } + else { + return false; + } + greedy = !this.eat(QUESTION_MARK); + if (!noConsume) { + this.onQuantifier(start, this.index, min, max, greedy); + } + return true; + } + eatBracedQuantifier(noError) { + const start = this.index; + if (this.eat(LEFT_CURLY_BRACKET)) { + if (this.eatDecimalDigits()) { + const min = this._lastIntValue; + let max = min; + if (this.eat(COMMA)) { + max = this.eatDecimalDigits() + ? this._lastIntValue + : Number.POSITIVE_INFINITY; + } + if (this.eat(RIGHT_CURLY_BRACKET)) { + if (!noError && max < min) { + this.raise("numbers out of order in {} quantifier"); + } + this._lastRange = { min, max }; + return true; + } + } + if (!noError && (this._unicodeMode || this.strict)) { + this.raise("Incomplete quantifier"); + } + this.rewind(start); + } + return false; + } + consumeAtom() { + return (this.consumePatternCharacter() || + this.consumeDot() || + this.consumeReverseSolidusAtomEscape() || + Boolean(this.consumeCharacterClass()) || + this.consumeCapturingGroup() || + this.consumeUncapturingGroup()); + } + consumeDot() { + if (this.eat(FULL_STOP)) { + this.onAnyCharacterSet(this.index - 1, this.index, "any"); + return true; + } + return false; + } + consumeReverseSolidusAtomEscape() { + const start = this.index; + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeAtomEscape()) { + return true; + } + this.rewind(start); + } + return false; + } + consumeUncapturingGroup() { + const start = this.index; + if (this.eat2(LEFT_PARENTHESIS, QUESTION_MARK)) { + this.onGroupEnter(start); + if (this.ecmaVersion >= 2025) { + this.consumeModifiers(); + } + if (!this.eat(COLON)) { + this.rewind(start + 1); + this.raise("Invalid group"); + } + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this.onGroupLeave(start, this.index); + return true; + } + return false; + } + consumeModifiers() { + const start = this.index; + const hasAddModifiers = this.eatModifiers(); + const addModifiersEnd = this.index; + const hasHyphen = this.eat(HYPHEN_MINUS); + if (!hasAddModifiers && !hasHyphen) { + return false; + } + this.onModifiersEnter(start); + const addModifiers = this.parseModifiers(start, addModifiersEnd); + this.onAddModifiers(start, addModifiersEnd, addModifiers); + if (hasHyphen) { + const modifiersStart = this.index; + if (!this.eatModifiers() && + !hasAddModifiers && + this.currentCodePoint === COLON) { + this.raise("Invalid empty flags"); + } + const modifiers = this.parseModifiers(modifiersStart, this.index); + for (const [flagName] of Object.entries(modifiers).filter(([, enable]) => enable)) { + if (addModifiers[flagName]) { + this.raise(`Duplicated flag '${String.fromCodePoint(FLAG_PROP_TO_CODEPOINT[flagName])}'`); + } + } + this.onRemoveModifiers(modifiersStart, this.index, modifiers); + } + this.onModifiersLeave(start, this.index); + return true; + } + consumeCapturingGroup() { + const start = this.index; + if (this.eat(LEFT_PARENTHESIS)) { + let name = null; + if (this.ecmaVersion >= 2018) { + if (this.consumeGroupSpecifier()) { + name = this._lastStrValue; + } + else if (this.currentCodePoint === QUESTION_MARK) { + this.rewind(start); + return false; + } + } + else if (this.currentCodePoint === QUESTION_MARK) { + this.rewind(start); + return false; + } + this.onCapturingGroupEnter(start, name); + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this.onCapturingGroupLeave(start, this.index, name); + return true; + } + return false; + } + consumeExtendedAtom() { + return (this.consumeDot() || + this.consumeReverseSolidusAtomEscape() || + this.consumeReverseSolidusFollowedByC() || + Boolean(this.consumeCharacterClass()) || + this.consumeCapturingGroup() || + this.consumeUncapturingGroup() || + this.consumeInvalidBracedQuantifier() || + this.consumeExtendedPatternCharacter()); + } + consumeReverseSolidusFollowedByC() { + const start = this.index; + if (this.currentCodePoint === REVERSE_SOLIDUS && + this.nextCodePoint === LATIN_SMALL_LETTER_C) { + this._lastIntValue = this.currentCodePoint; + this.advance(); + this.onCharacter(start, this.index, REVERSE_SOLIDUS); + return true; + } + return false; + } + consumeInvalidBracedQuantifier() { + if (this.eatBracedQuantifier(true)) { + this.raise("Nothing to repeat"); + } + return false; + } + consumePatternCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && !isSyntaxCharacter(cp)) { + this.advance(); + this.onCharacter(start, this.index, cp); + return true; + } + return false; + } + consumeExtendedPatternCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && + cp !== CIRCUMFLEX_ACCENT && + cp !== DOLLAR_SIGN && + cp !== REVERSE_SOLIDUS && + cp !== FULL_STOP && + cp !== ASTERISK && + cp !== PLUS_SIGN && + cp !== QUESTION_MARK && + cp !== LEFT_PARENTHESIS && + cp !== RIGHT_PARENTHESIS && + cp !== LEFT_SQUARE_BRACKET && + cp !== VERTICAL_LINE) { + this.advance(); + this.onCharacter(start, this.index, cp); + return true; + } + return false; + } + consumeGroupSpecifier() { + const start = this.index; + if (this.eat(QUESTION_MARK)) { + if (this.eatGroupName()) { + if (!this._groupSpecifiers.hasInScope(this._lastStrValue)) { + this._groupSpecifiers.addToScope(this._lastStrValue); + return true; + } + this.raise("Duplicate capture group name"); + } + this.rewind(start); + } + return false; + } + consumeAtomEscape() { + if (this.consumeBackreference() || + this.consumeCharacterClassEscape() || + this.consumeCharacterEscape() || + (this._nFlag && this.consumeKGroupName())) { + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + return false; + } + consumeBackreference() { + const start = this.index; + if (this.eatDecimalEscape()) { + const n = this._lastIntValue; + if (n <= this._numCapturingParens) { + this.onBackreference(start - 1, this.index, n); + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + consumeCharacterClassEscape() { + var _a; + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_D)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "digit", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_D)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "digit", true); + return {}; + } + if (this.eat(LATIN_SMALL_LETTER_S)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "space", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_S)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "space", true); + return {}; + } + if (this.eat(LATIN_SMALL_LETTER_W)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "word", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_W)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "word", true); + return {}; + } + let negate = false; + if (this._unicodeMode && + this.ecmaVersion >= 2018 && + (this.eat(LATIN_SMALL_LETTER_P) || + (negate = this.eat(LATIN_CAPITAL_LETTER_P)))) { + this._lastIntValue = -1; + let result = null; + if (this.eat(LEFT_CURLY_BRACKET) && + (result = this.eatUnicodePropertyValueExpression()) && + this.eat(RIGHT_CURLY_BRACKET)) { + if (negate && result.strings) { + this.raise("Invalid property name"); + } + this.onUnicodePropertyCharacterSet(start - 1, this.index, "property", result.key, result.value, negate, (_a = result.strings) !== null && _a !== void 0 ? _a : false); + return { mayContainStrings: result.strings }; + } + this.raise("Invalid property name"); + } + return null; + } + consumeCharacterEscape() { + const start = this.index; + if (this.eatControlEscape() || + this.eatCControlLetter() || + this.eatZero() || + this.eatHexEscapeSequence() || + this.eatRegExpUnicodeEscapeSequence() || + (!this.strict && + !this._unicodeMode && + this.eatLegacyOctalEscapeSequence()) || + this.eatIdentityEscape()) { + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + return false; + } + consumeKGroupName() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_K)) { + if (this.eatGroupName()) { + const groupName = this._lastStrValue; + this._backreferenceNames.add(groupName); + this.onBackreference(start - 1, this.index, groupName); + return true; + } + this.raise("Invalid named reference"); + } + return false; + } + consumeCharacterClass() { + const start = this.index; + if (this.eat(LEFT_SQUARE_BRACKET)) { + const negate = this.eat(CIRCUMFLEX_ACCENT); + this.onCharacterClassEnter(start, negate, this._unicodeSetsMode); + const result = this.consumeClassContents(); + if (!this.eat(RIGHT_SQUARE_BRACKET)) { + if (this.currentCodePoint === -1) { + this.raise("Unterminated character class"); + } + this.raise("Invalid character in character class"); + } + if (negate && result.mayContainStrings) { + this.raise("Negated character class may contain strings"); + } + this.onCharacterClassLeave(start, this.index, negate); + return result; + } + return null; + } + consumeClassContents() { + if (this._unicodeSetsMode) { + if (this.currentCodePoint === RIGHT_SQUARE_BRACKET) { + return {}; + } + const result = this.consumeClassSetExpression(); + return result; + } + const strict = this.strict || this._unicodeMode; + for (;;) { + const rangeStart = this.index; + if (!this.consumeClassAtom()) { + break; + } + const min = this._lastIntValue; + if (!this.eat(HYPHEN_MINUS)) { + continue; + } + this.onCharacter(this.index - 1, this.index, HYPHEN_MINUS); + if (!this.consumeClassAtom()) { + break; + } + const max = this._lastIntValue; + if (min === -1 || max === -1) { + if (strict) { + this.raise("Invalid character class"); + } + continue; + } + if (min > max) { + this.raise("Range out of order in character class"); + } + this.onCharacterClassRange(rangeStart, this.index, min, max); + } + return {}; + } + consumeClassAtom() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && + cp !== REVERSE_SOLIDUS && + cp !== RIGHT_SQUARE_BRACKET) { + this.advance(); + this._lastIntValue = cp; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeClassEscape()) { + return true; + } + if (!this.strict && + this.currentCodePoint === LATIN_SMALL_LETTER_C) { + this._lastIntValue = REVERSE_SOLIDUS; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + consumeClassEscape() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_B)) { + this._lastIntValue = BACKSPACE; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + if (this._unicodeMode && this.eat(HYPHEN_MINUS)) { + this._lastIntValue = HYPHEN_MINUS; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + let cp = 0; + if (!this.strict && + !this._unicodeMode && + this.currentCodePoint === LATIN_SMALL_LETTER_C && + (isDecimalDigit((cp = this.nextCodePoint)) || cp === LOW_LINE)) { + this.advance(); + this.advance(); + this._lastIntValue = cp % 0x20; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + return (Boolean(this.consumeCharacterClassEscape()) || + this.consumeCharacterEscape()); + } + consumeClassSetExpression() { + const start = this.index; + let mayContainStrings = false; + let result = null; + if (this.consumeClassSetCharacter()) { + if (this.consumeClassSetRangeFromOperator(start)) { + this.consumeClassUnionRight({}); + return {}; + } + mayContainStrings = false; + } + else if ((result = this.consumeClassSetOperand())) { + mayContainStrings = result.mayContainStrings; + } + else { + const cp = this.currentCodePoint; + if (cp === REVERSE_SOLIDUS) { + this.advance(); + this.raise("Invalid escape"); + } + if (cp === this.nextCodePoint && + isClassSetReservedDoublePunctuatorCharacter(cp)) { + this.raise("Invalid set operation in character class"); + } + this.raise("Invalid character in character class"); + } + if (this.eat2(AMPERSAND, AMPERSAND)) { + while (this.currentCodePoint !== AMPERSAND && + (result = this.consumeClassSetOperand())) { + this.onClassIntersection(start, this.index); + if (!result.mayContainStrings) { + mayContainStrings = false; + } + if (this.eat2(AMPERSAND, AMPERSAND)) { + continue; + } + return { mayContainStrings }; + } + this.raise("Invalid character in character class"); + } + if (this.eat2(HYPHEN_MINUS, HYPHEN_MINUS)) { + while (this.consumeClassSetOperand()) { + this.onClassSubtraction(start, this.index); + if (this.eat2(HYPHEN_MINUS, HYPHEN_MINUS)) { + continue; + } + return { mayContainStrings }; + } + this.raise("Invalid character in character class"); + } + return this.consumeClassUnionRight({ mayContainStrings }); + } + consumeClassUnionRight(leftResult) { + let mayContainStrings = leftResult.mayContainStrings; + for (;;) { + const start = this.index; + if (this.consumeClassSetCharacter()) { + this.consumeClassSetRangeFromOperator(start); + continue; + } + const result = this.consumeClassSetOperand(); + if (result) { + if (result.mayContainStrings) { + mayContainStrings = true; + } + continue; + } + break; + } + return { mayContainStrings }; + } + consumeClassSetRangeFromOperator(start) { + const currentStart = this.index; + const min = this._lastIntValue; + if (this.eat(HYPHEN_MINUS)) { + if (this.consumeClassSetCharacter()) { + const max = this._lastIntValue; + if (min === -1 || max === -1) { + this.raise("Invalid character class"); + } + if (min > max) { + this.raise("Range out of order in character class"); + } + this.onCharacterClassRange(start, this.index, min, max); + return true; + } + this.rewind(currentStart); + } + return false; + } + consumeClassSetOperand() { + let result = null; + if ((result = this.consumeNestedClass())) { + return result; + } + if ((result = this.consumeClassStringDisjunction())) { + return result; + } + if (this.consumeClassSetCharacter()) { + return {}; + } + return null; + } + consumeNestedClass() { + const start = this.index; + if (this.eat(LEFT_SQUARE_BRACKET)) { + const negate = this.eat(CIRCUMFLEX_ACCENT); + this.onCharacterClassEnter(start, negate, true); + const result = this.consumeClassContents(); + if (!this.eat(RIGHT_SQUARE_BRACKET)) { + this.raise("Unterminated character class"); + } + if (negate && result.mayContainStrings) { + this.raise("Negated character class may contain strings"); + } + this.onCharacterClassLeave(start, this.index, negate); + return result; + } + if (this.eat(REVERSE_SOLIDUS)) { + const result = this.consumeCharacterClassEscape(); + if (result) { + return result; + } + this.rewind(start); + } + return null; + } + consumeClassStringDisjunction() { + const start = this.index; + if (this.eat3(REVERSE_SOLIDUS, LATIN_SMALL_LETTER_Q, LEFT_CURLY_BRACKET)) { + this.onClassStringDisjunctionEnter(start); + let i = 0; + let mayContainStrings = false; + do { + if (this.consumeClassString(i++).mayContainStrings) { + mayContainStrings = true; + } + } while (this.eat(VERTICAL_LINE)); + if (this.eat(RIGHT_CURLY_BRACKET)) { + this.onClassStringDisjunctionLeave(start, this.index); + return { mayContainStrings }; + } + this.raise("Unterminated class string disjunction"); + } + return null; + } + consumeClassString(i) { + const start = this.index; + let count = 0; + this.onStringAlternativeEnter(start, i); + while (this.currentCodePoint !== -1 && + this.consumeClassSetCharacter()) { + count++; + } + this.onStringAlternativeLeave(start, this.index, i); + return { mayContainStrings: count !== 1 }; + } + consumeClassSetCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== this.nextCodePoint || + !isClassSetReservedDoublePunctuatorCharacter(cp)) { + if (cp !== -1 && !isClassSetSyntaxCharacter(cp)) { + this._lastIntValue = cp; + this.advance(); + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + } + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeCharacterEscape()) { + return true; + } + if (isClassSetReservedPunctuator(this.currentCodePoint)) { + this._lastIntValue = this.currentCodePoint; + this.advance(); + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.eat(LATIN_SMALL_LETTER_B)) { + this._lastIntValue = BACKSPACE; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + this.rewind(start); + } + return false; + } + eatGroupName() { + if (this.eat(LESS_THAN_SIGN)) { + if (this.eatRegExpIdentifierName() && this.eat(GREATER_THAN_SIGN)) { + return true; + } + this.raise("Invalid capture group name"); + } + return false; + } + eatRegExpIdentifierName() { + if (this.eatRegExpIdentifierStart()) { + this._lastStrValue = String.fromCodePoint(this._lastIntValue); + while (this.eatRegExpIdentifierPart()) { + this._lastStrValue += String.fromCodePoint(this._lastIntValue); + } + return true; + } + return false; + } + eatRegExpIdentifierStart() { + const start = this.index; + const forceUFlag = !this._unicodeMode && this.ecmaVersion >= 2020; + let cp = this.currentCodePoint; + this.advance(); + if (cp === REVERSE_SOLIDUS && + this.eatRegExpUnicodeEscapeSequence(forceUFlag)) { + cp = this._lastIntValue; + } + else if (forceUFlag && + isLeadSurrogate(cp) && + isTrailSurrogate(this.currentCodePoint)) { + cp = combineSurrogatePair(cp, this.currentCodePoint); + this.advance(); + } + if (isIdentifierStartChar(cp)) { + this._lastIntValue = cp; + return true; + } + if (this.index !== start) { + this.rewind(start); + } + return false; + } + eatRegExpIdentifierPart() { + const start = this.index; + const forceUFlag = !this._unicodeMode && this.ecmaVersion >= 2020; + let cp = this.currentCodePoint; + this.advance(); + if (cp === REVERSE_SOLIDUS && + this.eatRegExpUnicodeEscapeSequence(forceUFlag)) { + cp = this._lastIntValue; + } + else if (forceUFlag && + isLeadSurrogate(cp) && + isTrailSurrogate(this.currentCodePoint)) { + cp = combineSurrogatePair(cp, this.currentCodePoint); + this.advance(); + } + if (isIdentifierPartChar(cp)) { + this._lastIntValue = cp; + return true; + } + if (this.index !== start) { + this.rewind(start); + } + return false; + } + eatCControlLetter() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_C)) { + if (this.eatControlLetter()) { + return true; + } + this.rewind(start); + } + return false; + } + eatZero() { + if (this.currentCodePoint === DIGIT_ZERO && + !isDecimalDigit(this.nextCodePoint)) { + this._lastIntValue = 0; + this.advance(); + return true; + } + return false; + } + eatControlEscape() { + if (this.eat(LATIN_SMALL_LETTER_F)) { + this._lastIntValue = FORM_FEED; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_N)) { + this._lastIntValue = LINE_FEED; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_R)) { + this._lastIntValue = CARRIAGE_RETURN; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_T)) { + this._lastIntValue = CHARACTER_TABULATION; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_V)) { + this._lastIntValue = LINE_TABULATION; + return true; + } + return false; + } + eatControlLetter() { + const cp = this.currentCodePoint; + if (isLatinLetter(cp)) { + this.advance(); + this._lastIntValue = cp % 0x20; + return true; + } + return false; + } + eatRegExpUnicodeEscapeSequence(forceUFlag = false) { + const start = this.index; + const uFlag = forceUFlag || this._unicodeMode; + if (this.eat(LATIN_SMALL_LETTER_U)) { + if ((uFlag && this.eatRegExpUnicodeSurrogatePairEscape()) || + this.eatFixedHexDigits(4) || + (uFlag && this.eatRegExpUnicodeCodePointEscape())) { + return true; + } + if (this.strict || uFlag) { + this.raise("Invalid unicode escape"); + } + this.rewind(start); + } + return false; + } + eatRegExpUnicodeSurrogatePairEscape() { + const start = this.index; + if (this.eatFixedHexDigits(4)) { + const lead = this._lastIntValue; + if (isLeadSurrogate(lead) && + this.eat(REVERSE_SOLIDUS) && + this.eat(LATIN_SMALL_LETTER_U) && + this.eatFixedHexDigits(4)) { + const trail = this._lastIntValue; + if (isTrailSurrogate(trail)) { + this._lastIntValue = combineSurrogatePair(lead, trail); + return true; + } + } + this.rewind(start); + } + return false; + } + eatRegExpUnicodeCodePointEscape() { + const start = this.index; + if (this.eat(LEFT_CURLY_BRACKET) && + this.eatHexDigits() && + this.eat(RIGHT_CURLY_BRACKET) && + isValidUnicode(this._lastIntValue)) { + return true; + } + this.rewind(start); + return false; + } + eatIdentityEscape() { + const cp = this.currentCodePoint; + if (this.isValidIdentityEscape(cp)) { + this._lastIntValue = cp; + this.advance(); + return true; + } + return false; + } + isValidIdentityEscape(cp) { + if (cp === -1) { + return false; + } + if (this._unicodeMode) { + return isSyntaxCharacter(cp) || cp === SOLIDUS; + } + if (this.strict) { + return !isIdContinue(cp); + } + if (this._nFlag) { + return !(cp === LATIN_SMALL_LETTER_C || cp === LATIN_SMALL_LETTER_K); + } + return cp !== LATIN_SMALL_LETTER_C; + } + eatDecimalEscape() { + this._lastIntValue = 0; + let cp = this.currentCodePoint; + if (cp >= DIGIT_ONE && cp <= DIGIT_NINE) { + do { + this._lastIntValue = 10 * this._lastIntValue + (cp - DIGIT_ZERO); + this.advance(); + } while ((cp = this.currentCodePoint) >= DIGIT_ZERO && + cp <= DIGIT_NINE); + return true; + } + return false; + } + eatUnicodePropertyValueExpression() { + const start = this.index; + if (this.eatUnicodePropertyName() && this.eat(EQUALS_SIGN)) { + const key = this._lastStrValue; + if (this.eatUnicodePropertyValue()) { + const value = this._lastStrValue; + if (isValidUnicodeProperty(this.ecmaVersion, key, value)) { + return { + key, + value: value || null, + }; + } + this.raise("Invalid property name"); + } + } + this.rewind(start); + if (this.eatLoneUnicodePropertyNameOrValue()) { + const nameOrValue = this._lastStrValue; + if (isValidUnicodeProperty(this.ecmaVersion, "General_Category", nameOrValue)) { + return { + key: "General_Category", + value: nameOrValue || null, + }; + } + if (isValidLoneUnicodeProperty(this.ecmaVersion, nameOrValue)) { + return { + key: nameOrValue, + value: null, + }; + } + if (this._unicodeSetsMode && + isValidLoneUnicodePropertyOfString(this.ecmaVersion, nameOrValue)) { + return { + key: nameOrValue, + value: null, + strings: true, + }; + } + this.raise("Invalid property name"); + } + return null; + } + eatUnicodePropertyName() { + this._lastStrValue = ""; + while (isUnicodePropertyNameCharacter(this.currentCodePoint)) { + this._lastStrValue += String.fromCodePoint(this.currentCodePoint); + this.advance(); + } + return this._lastStrValue !== ""; + } + eatUnicodePropertyValue() { + this._lastStrValue = ""; + while (isUnicodePropertyValueCharacter(this.currentCodePoint)) { + this._lastStrValue += String.fromCodePoint(this.currentCodePoint); + this.advance(); + } + return this._lastStrValue !== ""; + } + eatLoneUnicodePropertyNameOrValue() { + return this.eatUnicodePropertyValue(); + } + eatHexEscapeSequence() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_X)) { + if (this.eatFixedHexDigits(2)) { + return true; + } + if (this._unicodeMode || this.strict) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + eatDecimalDigits() { + const start = this.index; + this._lastIntValue = 0; + while (isDecimalDigit(this.currentCodePoint)) { + this._lastIntValue = + 10 * this._lastIntValue + digitToInt(this.currentCodePoint); + this.advance(); + } + return this.index !== start; + } + eatHexDigits() { + const start = this.index; + this._lastIntValue = 0; + while (isHexDigit(this.currentCodePoint)) { + this._lastIntValue = + 16 * this._lastIntValue + digitToInt(this.currentCodePoint); + this.advance(); + } + return this.index !== start; + } + eatLegacyOctalEscapeSequence() { + if (this.eatOctalDigit()) { + const n1 = this._lastIntValue; + if (this.eatOctalDigit()) { + const n2 = this._lastIntValue; + if (n1 <= 3 && this.eatOctalDigit()) { + this._lastIntValue = n1 * 64 + n2 * 8 + this._lastIntValue; + } + else { + this._lastIntValue = n1 * 8 + n2; + } + } + else { + this._lastIntValue = n1; + } + return true; + } + return false; + } + eatOctalDigit() { + const cp = this.currentCodePoint; + if (isOctalDigit(cp)) { + this.advance(); + this._lastIntValue = cp - DIGIT_ZERO; + return true; + } + this._lastIntValue = 0; + return false; + } + eatFixedHexDigits(length) { + const start = this.index; + this._lastIntValue = 0; + for (let i = 0; i < length; ++i) { + const cp = this.currentCodePoint; + if (!isHexDigit(cp)) { + this.rewind(start); + return false; + } + this._lastIntValue = 16 * this._lastIntValue + digitToInt(cp); + this.advance(); + } + return true; + } + eatModifiers() { + let ate = false; + while (isRegularExpressionModifier(this.currentCodePoint)) { + this.advance(); + ate = true; + } + return ate; + } + parseModifiers(start, end) { + const { ignoreCase, multiline, dotAll } = this.parseFlags(this._reader.source, start, end); + return { ignoreCase, multiline, dotAll }; + } + parseFlags(source, start, end) { + const flags = { + global: false, + ignoreCase: false, + multiline: false, + unicode: false, + sticky: false, + dotAll: false, + hasIndices: false, + unicodeSets: false, + }; + const validFlags = new Set(); + validFlags.add(LATIN_SMALL_LETTER_G); + validFlags.add(LATIN_SMALL_LETTER_I); + validFlags.add(LATIN_SMALL_LETTER_M); + if (this.ecmaVersion >= 2015) { + validFlags.add(LATIN_SMALL_LETTER_U); + validFlags.add(LATIN_SMALL_LETTER_Y); + if (this.ecmaVersion >= 2018) { + validFlags.add(LATIN_SMALL_LETTER_S); + if (this.ecmaVersion >= 2022) { + validFlags.add(LATIN_SMALL_LETTER_D); + if (this.ecmaVersion >= 2024) { + validFlags.add(LATIN_SMALL_LETTER_V); + } + } + } + } + for (let i = start; i < end; ++i) { + const flag = source.charCodeAt(i); + if (validFlags.has(flag)) { + const prop = FLAG_CODEPOINT_TO_PROP[flag]; + if (flags[prop]) { + this.raise(`Duplicated flag '${source[i]}'`, { + index: start, + }); + } + flags[prop] = true; + } + else { + this.raise(`Invalid flag '${source[i]}'`, { index: start }); + } + } + return flags; + } +} + +const DUMMY_PATTERN = {}; +const DUMMY_FLAGS = {}; +const DUMMY_CAPTURING_GROUP = {}; +function isClassSetOperand(node) { + return (node.type === "Character" || + node.type === "CharacterSet" || + node.type === "CharacterClass" || + node.type === "ExpressionCharacterClass" || + node.type === "ClassStringDisjunction"); +} +class RegExpParserState { + constructor(options) { + var _a; + this._node = DUMMY_PATTERN; + this._expressionBufferMap = new Map(); + this._flags = DUMMY_FLAGS; + this._backreferences = []; + this._capturingGroups = []; + this.source = ""; + this.strict = Boolean(options === null || options === void 0 ? void 0 : options.strict); + this.ecmaVersion = (_a = options === null || options === void 0 ? void 0 : options.ecmaVersion) !== null && _a !== void 0 ? _a : latestEcmaVersion; + } + get pattern() { + if (this._node.type !== "Pattern") { + throw new Error("UnknownError"); + } + return this._node; + } + get flags() { + if (this._flags.type !== "Flags") { + throw new Error("UnknownError"); + } + return this._flags; + } + onRegExpFlags(start, end, { global, ignoreCase, multiline, unicode, sticky, dotAll, hasIndices, unicodeSets, }) { + this._flags = { + type: "Flags", + parent: null, + start, + end, + raw: this.source.slice(start, end), + global, + ignoreCase, + multiline, + unicode, + sticky, + dotAll, + hasIndices, + unicodeSets, + }; + } + onPatternEnter(start) { + this._node = { + type: "Pattern", + parent: null, + start, + end: start, + raw: "", + alternatives: [], + }; + this._backreferences.length = 0; + this._capturingGroups.length = 0; + } + onPatternLeave(start, end) { + this._node.end = end; + this._node.raw = this.source.slice(start, end); + for (const reference of this._backreferences) { + const ref = reference.ref; + const groups = typeof ref === "number" + ? [this._capturingGroups[ref - 1]] + : this._capturingGroups.filter((g) => g.name === ref); + if (groups.length === 1) { + const group = groups[0]; + reference.ambiguous = false; + reference.resolved = group; + } + else { + reference.ambiguous = true; + reference.resolved = groups; + } + for (const group of groups) { + group.references.push(reference); + } + } + } + onAlternativeEnter(start) { + const parent = this._node; + if (parent.type !== "Assertion" && + parent.type !== "CapturingGroup" && + parent.type !== "Group" && + parent.type !== "Pattern") { + throw new Error("UnknownError"); + } + this._node = { + type: "Alternative", + parent, + start, + end: start, + raw: "", + elements: [], + }; + parent.alternatives.push(this._node); + } + onAlternativeLeave(start, end) { + const node = this._node; + if (node.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onGroupEnter(start) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const group = { + type: "Group", + parent, + start, + end: start, + raw: "", + modifiers: null, + alternatives: [], + }; + this._node = group; + parent.elements.push(this._node); + } + onGroupLeave(start, end) { + const node = this._node; + if (node.type !== "Group" || node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onModifiersEnter(start) { + const parent = this._node; + if (parent.type !== "Group") { + throw new Error("UnknownError"); + } + this._node = { + type: "Modifiers", + parent, + start, + end: start, + raw: "", + add: null, + remove: null, + }; + parent.modifiers = this._node; + } + onModifiersLeave(start, end) { + const node = this._node; + if (node.type !== "Modifiers" || node.parent.type !== "Group") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onAddModifiers(start, end, { ignoreCase, multiline, dotAll, }) { + const parent = this._node; + if (parent.type !== "Modifiers") { + throw new Error("UnknownError"); + } + parent.add = { + type: "ModifierFlags", + parent, + start, + end, + raw: this.source.slice(start, end), + ignoreCase, + multiline, + dotAll, + }; + } + onRemoveModifiers(start, end, { ignoreCase, multiline, dotAll, }) { + const parent = this._node; + if (parent.type !== "Modifiers") { + throw new Error("UnknownError"); + } + parent.remove = { + type: "ModifierFlags", + parent, + start, + end, + raw: this.source.slice(start, end), + ignoreCase, + multiline, + dotAll, + }; + } + onCapturingGroupEnter(start, name) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + this._node = { + type: "CapturingGroup", + parent, + start, + end: start, + raw: "", + name, + alternatives: [], + references: [], + }; + parent.elements.push(this._node); + this._capturingGroups.push(this._node); + } + onCapturingGroupLeave(start, end) { + const node = this._node; + if (node.type !== "CapturingGroup" || + node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onQuantifier(start, end, min, max, greedy) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const element = parent.elements.pop(); + if (element == null || + element.type === "Quantifier" || + (element.type === "Assertion" && element.kind !== "lookahead")) { + throw new Error("UnknownError"); + } + const node = { + type: "Quantifier", + parent, + start: element.start, + end, + raw: this.source.slice(element.start, end), + min, + max, + greedy, + element, + }; + parent.elements.push(node); + element.parent = node; + } + onLookaroundAssertionEnter(start, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const node = (this._node = { + type: "Assertion", + parent, + start, + end: start, + raw: "", + kind, + negate, + alternatives: [], + }); + parent.elements.push(node); + } + onLookaroundAssertionLeave(start, end) { + const node = this._node; + if (node.type !== "Assertion" || node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onEdgeAssertion(start, end, kind) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Assertion", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + }); + } + onWordBoundaryAssertion(start, end, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Assertion", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + negate, + }); + } + onAnyCharacterSet(start, end, kind) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "CharacterSet", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + }); + } + onEscapeCharacterSet(start, end, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative" && parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "CharacterSet", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + negate, + }); + } + onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings) { + const parent = this._node; + if (parent.type !== "Alternative" && parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + const base = { + type: "CharacterSet", + parent: null, + start, + end, + raw: this.source.slice(start, end), + kind, + strings: null, + key, + }; + if (strings) { + if ((parent.type === "CharacterClass" && !parent.unicodeSets) || + negate || + value !== null) { + throw new Error("UnknownError"); + } + parent.elements.push(Object.assign(Object.assign({}, base), { parent, strings, value, negate })); + } + else { + parent.elements.push(Object.assign(Object.assign({}, base), { parent, strings, value, negate })); + } + } + onCharacter(start, end, value) { + const parent = this._node; + if (parent.type !== "Alternative" && + parent.type !== "CharacterClass" && + parent.type !== "StringAlternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Character", + parent, + start, + end, + raw: this.source.slice(start, end), + value, + }); + } + onBackreference(start, end, ref) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const node = { + type: "Backreference", + parent, + start, + end, + raw: this.source.slice(start, end), + ref, + ambiguous: false, + resolved: DUMMY_CAPTURING_GROUP, + }; + parent.elements.push(node); + this._backreferences.push(node); + } + onCharacterClassEnter(start, negate, unicodeSets) { + const parent = this._node; + const base = { + type: "CharacterClass", + parent, + start, + end: start, + raw: "", + unicodeSets, + negate, + elements: [], + }; + if (parent.type === "Alternative") { + const node = Object.assign(Object.assign({}, base), { parent }); + this._node = node; + parent.elements.push(node); + } + else if (parent.type === "CharacterClass" && + parent.unicodeSets && + unicodeSets) { + const node = Object.assign(Object.assign({}, base), { parent, + unicodeSets }); + this._node = node; + parent.elements.push(node); + } + else { + throw new Error("UnknownError"); + } + } + onCharacterClassLeave(start, end) { + const node = this._node; + if (node.type !== "CharacterClass" || + (node.parent.type !== "Alternative" && + node.parent.type !== "CharacterClass")) { + throw new Error("UnknownError"); + } + const parent = node.parent; + node.end = end; + node.raw = this.source.slice(start, end); + this._node = parent; + const expression = this._expressionBufferMap.get(node); + if (!expression) { + return; + } + if (node.elements.length > 0) { + throw new Error("UnknownError"); + } + this._expressionBufferMap.delete(node); + const newNode = { + type: "ExpressionCharacterClass", + parent, + start: node.start, + end: node.end, + raw: node.raw, + negate: node.negate, + expression, + }; + expression.parent = newNode; + if (node !== parent.elements.pop()) { + throw new Error("UnknownError"); + } + parent.elements.push(newNode); + } + onCharacterClassRange(start, end) { + const parent = this._node; + if (parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + const elements = parent.elements; + const max = elements.pop(); + if (!max || max.type !== "Character") { + throw new Error("UnknownError"); + } + if (!parent.unicodeSets) { + const hyphen = elements.pop(); + if (!hyphen || + hyphen.type !== "Character" || + hyphen.value !== HYPHEN_MINUS) { + throw new Error("UnknownError"); + } + } + const min = elements.pop(); + if (!min || min.type !== "Character") { + throw new Error("UnknownError"); + } + const node = { + type: "CharacterClassRange", + parent, + start, + end, + raw: this.source.slice(start, end), + min, + max, + }; + min.parent = node; + max.parent = node; + elements.push(node); + } + onClassIntersection(start, end) { + var _a; + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + const right = parent.elements.pop(); + const left = (_a = this._expressionBufferMap.get(parent)) !== null && _a !== void 0 ? _a : parent.elements.pop(); + if (!left || + !right || + left.type === "ClassSubtraction" || + (left.type !== "ClassIntersection" && !isClassSetOperand(left)) || + !isClassSetOperand(right)) { + throw new Error("UnknownError"); + } + const node = { + type: "ClassIntersection", + parent: parent, + start, + end, + raw: this.source.slice(start, end), + left, + right, + }; + left.parent = node; + right.parent = node; + this._expressionBufferMap.set(parent, node); + } + onClassSubtraction(start, end) { + var _a; + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + const right = parent.elements.pop(); + const left = (_a = this._expressionBufferMap.get(parent)) !== null && _a !== void 0 ? _a : parent.elements.pop(); + if (!left || + !right || + left.type === "ClassIntersection" || + (left.type !== "ClassSubtraction" && !isClassSetOperand(left)) || + !isClassSetOperand(right)) { + throw new Error("UnknownError"); + } + const node = { + type: "ClassSubtraction", + parent: parent, + start, + end, + raw: this.source.slice(start, end), + left, + right, + }; + left.parent = node; + right.parent = node; + this._expressionBufferMap.set(parent, node); + } + onClassStringDisjunctionEnter(start) { + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + this._node = { + type: "ClassStringDisjunction", + parent, + start, + end: start, + raw: "", + alternatives: [], + }; + parent.elements.push(this._node); + } + onClassStringDisjunctionLeave(start, end) { + const node = this._node; + if (node.type !== "ClassStringDisjunction" || + node.parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onStringAlternativeEnter(start) { + const parent = this._node; + if (parent.type !== "ClassStringDisjunction") { + throw new Error("UnknownError"); + } + this._node = { + type: "StringAlternative", + parent, + start, + end: start, + raw: "", + elements: [], + }; + parent.alternatives.push(this._node); + } + onStringAlternativeLeave(start, end) { + const node = this._node; + if (node.type !== "StringAlternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } +} +class RegExpParser { + constructor(options) { + this._state = new RegExpParserState(options); + this._validator = new RegExpValidator(this._state); + } + parseLiteral(source, start = 0, end = source.length) { + this._state.source = source; + this._validator.validateLiteral(source, start, end); + const pattern = this._state.pattern; + const flags = this._state.flags; + const literal = { + type: "RegExpLiteral", + parent: null, + start, + end, + raw: source, + pattern, + flags, + }; + pattern.parent = literal; + flags.parent = literal; + return literal; + } + parseFlags(source, start = 0, end = source.length) { + this._state.source = source; + this._validator.validateFlags(source, start, end); + return this._state.flags; + } + parsePattern(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + this._state.source = source; + this._validator.validatePattern(source, start, end, uFlagOrFlags); + return this._state.pattern; + } +} + +class RegExpVisitor { + constructor(handlers) { + this._handlers = handlers; + } + visit(node) { + switch (node.type) { + case "Alternative": + this.visitAlternative(node); + break; + case "Assertion": + this.visitAssertion(node); + break; + case "Backreference": + this.visitBackreference(node); + break; + case "CapturingGroup": + this.visitCapturingGroup(node); + break; + case "Character": + this.visitCharacter(node); + break; + case "CharacterClass": + this.visitCharacterClass(node); + break; + case "CharacterClassRange": + this.visitCharacterClassRange(node); + break; + case "CharacterSet": + this.visitCharacterSet(node); + break; + case "ClassIntersection": + this.visitClassIntersection(node); + break; + case "ClassStringDisjunction": + this.visitClassStringDisjunction(node); + break; + case "ClassSubtraction": + this.visitClassSubtraction(node); + break; + case "ExpressionCharacterClass": + this.visitExpressionCharacterClass(node); + break; + case "Flags": + this.visitFlags(node); + break; + case "Group": + this.visitGroup(node); + break; + case "Modifiers": + this.visitModifiers(node); + break; + case "ModifierFlags": + this.visitModifierFlags(node); + break; + case "Pattern": + this.visitPattern(node); + break; + case "Quantifier": + this.visitQuantifier(node); + break; + case "RegExpLiteral": + this.visitRegExpLiteral(node); + break; + case "StringAlternative": + this.visitStringAlternative(node); + break; + default: + throw new Error(`Unknown type: ${node.type}`); + } + } + visitAlternative(node) { + if (this._handlers.onAlternativeEnter) { + this._handlers.onAlternativeEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onAlternativeLeave) { + this._handlers.onAlternativeLeave(node); + } + } + visitAssertion(node) { + if (this._handlers.onAssertionEnter) { + this._handlers.onAssertionEnter(node); + } + if (node.kind === "lookahead" || node.kind === "lookbehind") { + node.alternatives.forEach(this.visit, this); + } + if (this._handlers.onAssertionLeave) { + this._handlers.onAssertionLeave(node); + } + } + visitBackreference(node) { + if (this._handlers.onBackreferenceEnter) { + this._handlers.onBackreferenceEnter(node); + } + if (this._handlers.onBackreferenceLeave) { + this._handlers.onBackreferenceLeave(node); + } + } + visitCapturingGroup(node) { + if (this._handlers.onCapturingGroupEnter) { + this._handlers.onCapturingGroupEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onCapturingGroupLeave) { + this._handlers.onCapturingGroupLeave(node); + } + } + visitCharacter(node) { + if (this._handlers.onCharacterEnter) { + this._handlers.onCharacterEnter(node); + } + if (this._handlers.onCharacterLeave) { + this._handlers.onCharacterLeave(node); + } + } + visitCharacterClass(node) { + if (this._handlers.onCharacterClassEnter) { + this._handlers.onCharacterClassEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onCharacterClassLeave) { + this._handlers.onCharacterClassLeave(node); + } + } + visitCharacterClassRange(node) { + if (this._handlers.onCharacterClassRangeEnter) { + this._handlers.onCharacterClassRangeEnter(node); + } + this.visitCharacter(node.min); + this.visitCharacter(node.max); + if (this._handlers.onCharacterClassRangeLeave) { + this._handlers.onCharacterClassRangeLeave(node); + } + } + visitCharacterSet(node) { + if (this._handlers.onCharacterSetEnter) { + this._handlers.onCharacterSetEnter(node); + } + if (this._handlers.onCharacterSetLeave) { + this._handlers.onCharacterSetLeave(node); + } + } + visitClassIntersection(node) { + if (this._handlers.onClassIntersectionEnter) { + this._handlers.onClassIntersectionEnter(node); + } + this.visit(node.left); + this.visit(node.right); + if (this._handlers.onClassIntersectionLeave) { + this._handlers.onClassIntersectionLeave(node); + } + } + visitClassStringDisjunction(node) { + if (this._handlers.onClassStringDisjunctionEnter) { + this._handlers.onClassStringDisjunctionEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onClassStringDisjunctionLeave) { + this._handlers.onClassStringDisjunctionLeave(node); + } + } + visitClassSubtraction(node) { + if (this._handlers.onClassSubtractionEnter) { + this._handlers.onClassSubtractionEnter(node); + } + this.visit(node.left); + this.visit(node.right); + if (this._handlers.onClassSubtractionLeave) { + this._handlers.onClassSubtractionLeave(node); + } + } + visitExpressionCharacterClass(node) { + if (this._handlers.onExpressionCharacterClassEnter) { + this._handlers.onExpressionCharacterClassEnter(node); + } + this.visit(node.expression); + if (this._handlers.onExpressionCharacterClassLeave) { + this._handlers.onExpressionCharacterClassLeave(node); + } + } + visitFlags(node) { + if (this._handlers.onFlagsEnter) { + this._handlers.onFlagsEnter(node); + } + if (this._handlers.onFlagsLeave) { + this._handlers.onFlagsLeave(node); + } + } + visitGroup(node) { + if (this._handlers.onGroupEnter) { + this._handlers.onGroupEnter(node); + } + if (node.modifiers) { + this.visit(node.modifiers); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onGroupLeave) { + this._handlers.onGroupLeave(node); + } + } + visitModifiers(node) { + if (this._handlers.onModifiersEnter) { + this._handlers.onModifiersEnter(node); + } + if (node.add) { + this.visit(node.add); + } + if (node.remove) { + this.visit(node.remove); + } + if (this._handlers.onModifiersLeave) { + this._handlers.onModifiersLeave(node); + } + } + visitModifierFlags(node) { + if (this._handlers.onModifierFlagsEnter) { + this._handlers.onModifierFlagsEnter(node); + } + if (this._handlers.onModifierFlagsLeave) { + this._handlers.onModifierFlagsLeave(node); + } + } + visitPattern(node) { + if (this._handlers.onPatternEnter) { + this._handlers.onPatternEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onPatternLeave) { + this._handlers.onPatternLeave(node); + } + } + visitQuantifier(node) { + if (this._handlers.onQuantifierEnter) { + this._handlers.onQuantifierEnter(node); + } + this.visit(node.element); + if (this._handlers.onQuantifierLeave) { + this._handlers.onQuantifierLeave(node); + } + } + visitRegExpLiteral(node) { + if (this._handlers.onRegExpLiteralEnter) { + this._handlers.onRegExpLiteralEnter(node); + } + this.visitPattern(node.pattern); + this.visitFlags(node.flags); + if (this._handlers.onRegExpLiteralLeave) { + this._handlers.onRegExpLiteralLeave(node); + } + } + visitStringAlternative(node) { + if (this._handlers.onStringAlternativeEnter) { + this._handlers.onStringAlternativeEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onStringAlternativeLeave) { + this._handlers.onStringAlternativeLeave(node); + } + } +} + +function parseRegExpLiteral(source, options) { + return new RegExpParser(options).parseLiteral(String(source)); +} +function validateRegExpLiteral(source, options) { + new RegExpValidator(options).validateLiteral(source); +} +function visitRegExpAST(node, handlers) { + new RegExpVisitor(handlers).visit(node); +} + +exports.AST = ast; +exports.RegExpParser = RegExpParser; +exports.RegExpSyntaxError = RegExpSyntaxError; +exports.RegExpValidator = RegExpValidator; +exports.parseRegExpLiteral = parseRegExpLiteral; +exports.validateRegExpLiteral = validateRegExpLiteral; +exports.visitRegExpAST = visitRegExpAST; +//# sourceMappingURL=index.js.map diff --git a/module/node_modules/@eslint-community/regexpp/index.js.map b/module/node_modules/@eslint-community/regexpp/index.js.map new file mode 100644 index 000000000..8e0a4d6b7 --- /dev/null +++ b/module/node_modules/@eslint-community/regexpp/index.js.map @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/module/node_modules/@eslint-community/regexpp/index.mjs b/module/node_modules/@eslint-community/regexpp/index.mjs new file mode 100644 index 000000000..ad7ab27f7 --- /dev/null +++ b/module/node_modules/@eslint-community/regexpp/index.mjs @@ -0,0 +1,3032 @@ +var ast = /*#__PURE__*/Object.freeze({ + __proto__: null +}); + +const latestEcmaVersion = 2025; + +let largeIdStartRanges = undefined; +let largeIdContinueRanges = undefined; +function isIdStart(cp) { + if (cp < 0x41) + return false; + if (cp < 0x5b) + return true; + if (cp < 0x61) + return false; + if (cp < 0x7b) + return true; + return isLargeIdStart(cp); +} +function isIdContinue(cp) { + if (cp < 0x30) + return false; + if (cp < 0x3a) + return true; + if (cp < 0x41) + return false; + if (cp < 0x5b) + return true; + if (cp === 0x5f) + return true; + if (cp < 0x61) + return false; + if (cp < 0x7b) + return true; + return isLargeIdStart(cp) || isLargeIdContinue(cp); +} +function isLargeIdStart(cp) { + return isInRange(cp, largeIdStartRanges !== null && largeIdStartRanges !== void 0 ? largeIdStartRanges : (largeIdStartRanges = initLargeIdStartRanges())); +} +function isLargeIdContinue(cp) { + return isInRange(cp, largeIdContinueRanges !== null && largeIdContinueRanges !== void 0 ? largeIdContinueRanges : (largeIdContinueRanges = initLargeIdContinueRanges())); +} +function initLargeIdStartRanges() { + return restoreRanges("4q 0 b 0 5 0 6 m 2 u 2 cp 5 b f 4 8 0 2 0 3m 4 2 1 3 3 2 0 7 0 2 2 2 0 2 j 2 2a 2 3u 9 4l 2 11 3 0 7 14 20 q 5 3 1a 16 10 1 2 2q 2 0 g 1 8 1 b 2 3 0 h 0 2 t u 2g c 0 p w a 1 5 0 6 l 5 0 a 0 4 0 o o 8 a 6 n 2 6 h 15 1n 1h 4 0 j 0 8 9 g f 5 7 3 1 3 l 2 6 2 0 4 3 4 0 h 0 e 1 2 2 f 1 b 0 9 5 5 1 3 l 2 6 2 1 2 1 2 1 w 3 2 0 k 2 h 8 2 2 2 l 2 6 2 1 2 4 4 0 j 0 g 1 o 0 c 7 3 1 3 l 2 6 2 1 2 4 4 0 v 1 2 2 g 0 i 0 2 5 4 2 2 3 4 1 2 0 2 1 4 1 4 2 4 b n 0 1h 7 2 2 2 m 2 f 4 0 r 2 2 1 3 1 v 0 5 7 2 2 2 m 2 9 2 4 4 0 v 2 2 1 g 1 i 8 2 2 2 14 3 0 h 0 6 2 9 2 p 5 6 h 4 n 2 8 2 0 3 6 1n 1b 2 1 d 6 1n 1 2 0 2 4 2 n 2 0 2 9 2 1 a 0 3 4 2 0 m 3 x 0 1s 7 2 z s 4 38 16 l 0 h 5 5 3 4 0 4 1 8 2 5 c d 0 i 11 2 0 6 0 3 16 2 98 2 3 3 6 2 0 2 3 3 14 2 3 3 w 2 3 3 6 2 0 2 3 3 e 2 1k 2 3 3 1u 12 f h 2d 3 5 4 h7 3 g 2 p 6 22 4 a 8 h e i f h f c 2 2 g 1f 10 0 5 0 1w 2g 8 14 2 0 6 1x b u 1e t 3 4 c 17 5 p 1j m a 1g 2b 0 2m 1a i 7 1j t e 1 b 17 r z 16 2 b z 3 a 6 16 3 2 16 3 2 5 2 1 4 0 6 5b 1t 7p 3 5 3 11 3 5 3 7 2 0 2 0 2 0 2 u 3 1g 2 6 2 0 4 2 2 6 4 3 3 5 5 c 6 2 2 6 39 0 e 0 h c 2u 0 5 0 3 9 2 0 3 5 7 0 2 0 2 0 2 f 3 3 6 4 5 0 i 14 22g 6c 7 3 4 1 d 11 2 0 6 0 3 1j 8 0 h m a 6 2 6 2 6 2 6 2 6 2 6 2 6 2 6 fb 2 q 8 8 4 3 4 5 2d 5 4 2 2h 2 3 6 16 2 2l i v 1d f e9 533 1t h3g 1w 19 3 7g 4 f b 1 l 1a h u 3 27 14 8 3 2u 3 29 l g 2 2 2 3 2 m u 1f f 1d 1r 5 4 0 2 1 c r b m q s 8 1a t 0 h 4 2 9 b 4 2 14 o 2 2 7 l m 4 0 4 1d 2 0 4 1 3 4 3 0 2 0 p 2 3 a 8 2 d 5 3 5 3 5 a 6 2 6 2 16 2 d 7 36 u 8mb d m 5 1c 6it a5 3 2x 13 6 d 4 6 0 2 9 2 c 2 4 2 0 2 1 2 1 2 2z y a2 j 1r 3 1h 15 b 39 4 2 3q 11 p 7 p c 2g 4 5 3 5 3 5 3 2 10 b 2 p 2 i 2 1 2 e 3 d z 3e 1y 1g 7g s 4 1c 1c v e t 6 11 b t 3 z 5 7 2 4 17 4d j z 5 z 5 13 9 1f d a 2 e 2 6 2 1 2 a 2 e 2 6 2 1 4 1f d 8m a l b 7 p 5 2 15 2 8 1y 5 3 0 2 17 2 1 4 0 3 m b m a u 1u i 2 1 b l b p 7 p 13 1j 7 1 1t 0 g 3 2 2 2 s 17 s 4 s 10 7 2 r s 1h b l b i e h 33 20 1k 1e e 1e e z 13 r a m 6z 15 7 1 h 5 1l s b 0 9 l 17 h 1b k s m d 1g 1m 1 3 0 e 18 x o r z u 0 3 0 9 y 4 0 d 1b f 3 m 0 2 0 10 h 2 o k 1 1s 6 2 0 2 3 2 e 2 9 8 1a 13 7 3 1 3 l 2 6 2 1 2 4 4 0 j 0 d 4 v 9 2 0 3 0 2 11 2 0 q 0 2 0 19 1g j 3 l 2 v 1b l 1 2 0 55 1a 16 3 11 1b l 0 1o 16 e 0 20 q 12 6 56 17 39 1r w 7 3 0 3 7 2 1 2 n g 0 2 0 2n 7 3 12 h 0 2 0 t 0 b 13 8 0 m 0 c 19 k 0 j 20 5k w w 8 2 10 i 0 1e t 35 6 2 1 2 11 m 0 q 5 2 1 2 v f 0 o 17 79 i g 0 2 c 2 x 3h 0 28 pl 2v 32 i 5f 219 2o g tr i 5 q 32y 6 g6 5a2 t 1cz fs 8 u i 26 i t j 1b h 3 w k 6 i c1 18 5w 1r x o 3 o 19 22 6 0 1v c 1t 1 2 0 f 4 a 5p1 16 v 2q 36 6pq 3 2 6 2 1 2 82 g 0 u 2 3 0 f 3 9 az 1s5 2y 6 c 4 8 8 9 4mf 2c 2 1y 2 1 3 0 3 1 3 3 2 b 2 0 2 6 2 1s 2 3 3 7 2 6 2 r 2 3 2 4 2 0 4 6 2 9f 3 o 2 o 2 u 2 o 2 u 2 o 2 u 2 o 2 u 2 o 2 7 1f9 u 7 5 7a 1p 43 18 b 6 h 0 8y t j 17 dh r 6d t 3 0 5s u 2 2 2 1 2 6 3 4 a 1 69 6 2 3 2 1 2 e 2 5g 1o 1v 8 0 xh 3 2 q 2 1 2 0 3 0 2 9 2 3 2 0 2 0 7 0 5 0 2 0 2 0 2 2 2 1 2 0 3 0 2 0 2 0 2 0 2 0 2 1 2 0 3 3 2 6 2 3 2 3 2 0 2 9 2 g 6 2 2 4 2 g 3et wyn x 3dp 3 4gd 3 5rk g h9 1wj f1 15v 3t6 6 6jt"); +} +function initLargeIdContinueRanges() { + return restoreRanges("53 0 g9 33 o 0 70 4 7e 18 2 0 2 1 2 1 2 0 21 a 1d u 7 0 2u 6 3 5 3 1 2 3 3 9 o 0 v q 2k a g 9 y 8 a 0 p 3 2 8 2 2 2 4 18 2 1o 8 17 n 2 w 1j 2 2 h 2 6 b 1 3 9 i 2 1l 0 2 6 3 1 3 2 a 0 b 1 3 9 f 0 3 2 1l 0 2 4 5 1 3 2 4 0 l b 4 0 c 2 1l 0 2 7 2 2 2 2 l 1 3 9 b 5 2 2 1l 0 2 6 3 1 3 2 8 2 b 1 3 9 j 0 1o 4 4 2 2 3 a 0 f 9 h 4 1k 0 2 6 2 2 2 3 8 1 c 1 3 9 i 2 1l 0 2 6 2 2 2 3 8 1 c 1 3 9 4 0 d 3 1k 1 2 6 2 2 2 3 a 0 b 1 3 9 i 2 1z 0 5 5 2 0 2 7 7 9 3 1 1q 0 3 6 d 7 2 9 2g 0 3 8 c 6 2 9 1r 1 7 9 c 0 2 0 2 0 5 1 1e j 2 1 6 a 2 z a 0 2t j 2 9 d 3 5 2 2 2 3 6 4 3 e b 2 e jk 2 a 8 pt 3 t 2 u 1 v 1 1t v a 0 3 9 y 2 2 a 40 0 3b b 5 b b 9 3l a 1p 4 1m 9 2 s 3 a 7 9 n d 2 u 3 b l 4 1c g c 9 i 8 d 2 v c 3 9 19 d 1d j 9 9 7 9 3b 2 2 k 5 0 7 0 3 2 5j 1r el 1 1e 1 k 0 3g c 5 0 4 b 2db 2 3y 0 2p v ff 5 2y 1 2p 0 n51 9 1y 0 5 9 x 1 29 1 7l 0 4 0 5 0 o 4 5 0 2c 1 1f h b 9 7 h e a t 7 q c 19 3 1c d g 9 c 0 b 9 1c d d 0 9 1 3 9 y 2 1f 0 2 2 3 1 6 1 2 0 16 4 6 1 6l 7 2 1 3 9 fmt 0 ki f h f 4 1 p 2 5d 9 12 0 12 0 ig 0 6b 0 46 4 86 9 120 2 2 1 6 3 15 2 5 0 4m 1 fy 3 9 9 7 9 w 4 8u 1 26 5 1z a 1e 3 3f 2 1i e w a 3 1 b 3 1a a 8 0 1a 9 7 2 11 d 2 9 6 1 19 0 d 2 1d d 9 3 2 b 2b b 7 0 3 0 4e b 6 9 7 3 1k 1 2 6 3 1 3 2 a 0 b 1 3 6 4 4 1w 8 2 0 3 0 2 3 2 4 2 0 f 1 2b h a 9 5 0 2a j d 9 5y 6 3 8 s 1 2b g g 9 2a c 9 9 7 j 1m e 5 9 6r e 4m 9 1z 5 2 1 3 3 2 0 2 1 d 9 3c 6 3 6 4 0 t 9 15 6 2 3 9 0 a a 1b f 5j 7 3t 9 1i 7 2 7 h 9 1l l 2 d 3f 5 4 0 2 1 2 6 2 0 9 9 1d 4 2 1 2 4 9 9 1j 9 7e 3 a 1 2 0 1d 6 4 4 e a 44m 0 7 e 8uh r 1t3 9 2f 9 13 4 1o 6 q 9 ev 9 d2 0 2 1i 8 3 2a 0 c 1 f58 1 382 9 ef 19 3 m f3 4 4 5 9 7 3 6 v 3 45 2 13e 1d e9 1i 5 1d 9 0 f 0 n 4 2 e 11t 6 2 g 3 6 2 1 2 4 2t 0 4h 6 a 9 9x 0 1q d dv d 6t 1 2 9 6h 0 3 0 8 1 6 0 d7 6 32 6 6 9 3o7 9 gvt3 6n"); +} +function isInRange(cp, ranges) { + let l = 0, r = (ranges.length / 2) | 0, i = 0, min = 0, max = 0; + while (l < r) { + i = ((l + r) / 2) | 0; + min = ranges[2 * i]; + max = ranges[2 * i + 1]; + if (cp < min) { + r = i; + } + else if (cp > max) { + l = i + 1; + } + else { + return true; + } + } + return false; +} +function restoreRanges(data) { + let last = 0; + return data.split(" ").map((s) => (last += parseInt(s, 36) | 0)); +} + +class DataSet { + constructor(raw2018, raw2019, raw2020, raw2021, raw2022, raw2023, raw2024, raw2025, raw2026) { + this._raw2018 = raw2018; + this._raw2019 = raw2019; + this._raw2020 = raw2020; + this._raw2021 = raw2021; + this._raw2022 = raw2022; + this._raw2023 = raw2023; + this._raw2024 = raw2024; + this._raw2025 = raw2025; + this._raw2026 = raw2026; + } + get es2018() { + var _a; + return ((_a = this._set2018) !== null && _a !== void 0 ? _a : (this._set2018 = new Set(this._raw2018.split(" ")))); + } + get es2019() { + var _a; + return ((_a = this._set2019) !== null && _a !== void 0 ? _a : (this._set2019 = new Set(this._raw2019.split(" ")))); + } + get es2020() { + var _a; + return ((_a = this._set2020) !== null && _a !== void 0 ? _a : (this._set2020 = new Set(this._raw2020.split(" ")))); + } + get es2021() { + var _a; + return ((_a = this._set2021) !== null && _a !== void 0 ? _a : (this._set2021 = new Set(this._raw2021.split(" ")))); + } + get es2022() { + var _a; + return ((_a = this._set2022) !== null && _a !== void 0 ? _a : (this._set2022 = new Set(this._raw2022.split(" ")))); + } + get es2023() { + var _a; + return ((_a = this._set2023) !== null && _a !== void 0 ? _a : (this._set2023 = new Set(this._raw2023.split(" ")))); + } + get es2024() { + var _a; + return ((_a = this._set2024) !== null && _a !== void 0 ? _a : (this._set2024 = new Set(this._raw2024.split(" ")))); + } + get es2025() { + var _a; + return ((_a = this._set2025) !== null && _a !== void 0 ? _a : (this._set2025 = new Set(this._raw2025.split(" ")))); + } + get es2026() { + var _a; + return ((_a = this._set2026) !== null && _a !== void 0 ? _a : (this._set2026 = new Set(this._raw2026.split(" ")))); + } +} +const gcNameSet = new Set(["General_Category", "gc"]); +const scNameSet = new Set(["Script", "Script_Extensions", "sc", "scx"]); +const gcValueSets = new DataSet("C Cased_Letter Cc Cf Close_Punctuation Cn Co Combining_Mark Connector_Punctuation Control Cs Currency_Symbol Dash_Punctuation Decimal_Number Enclosing_Mark Final_Punctuation Format Initial_Punctuation L LC Letter Letter_Number Line_Separator Ll Lm Lo Lowercase_Letter Lt Lu M Mark Math_Symbol Mc Me Mn Modifier_Letter Modifier_Symbol N Nd Nl No Nonspacing_Mark Number Open_Punctuation Other Other_Letter Other_Number Other_Punctuation Other_Symbol P Paragraph_Separator Pc Pd Pe Pf Pi Po Private_Use Ps Punctuation S Sc Separator Sk Sm So Space_Separator Spacing_Mark Surrogate Symbol Titlecase_Letter Unassigned Uppercase_Letter Z Zl Zp Zs cntrl digit punct", "", "", "", "", "", "", "", ""); +const scValueSets = new DataSet("Adlam Adlm Aghb Ahom Anatolian_Hieroglyphs Arab Arabic Armenian Armi Armn Avestan Avst Bali Balinese Bamu Bamum Bass Bassa_Vah Batak Batk Beng Bengali Bhaiksuki Bhks Bopo Bopomofo Brah Brahmi Brai Braille Bugi Buginese Buhd Buhid Cakm Canadian_Aboriginal Cans Cari Carian Caucasian_Albanian Chakma Cham Cher Cherokee Common Copt Coptic Cprt Cuneiform Cypriot Cyrillic Cyrl Deseret Deva Devanagari Dsrt Dupl Duployan Egyp Egyptian_Hieroglyphs Elba Elbasan Ethi Ethiopic Geor Georgian Glag Glagolitic Gonm Goth Gothic Gran Grantha Greek Grek Gujarati Gujr Gurmukhi Guru Han Hang Hangul Hani Hano Hanunoo Hatr Hatran Hebr Hebrew Hira Hiragana Hluw Hmng Hung Imperial_Aramaic Inherited Inscriptional_Pahlavi Inscriptional_Parthian Ital Java Javanese Kaithi Kali Kana Kannada Katakana Kayah_Li Khar Kharoshthi Khmer Khmr Khoj Khojki Khudawadi Knda Kthi Lana Lao Laoo Latin Latn Lepc Lepcha Limb Limbu Lina Linb Linear_A Linear_B Lisu Lyci Lycian Lydi Lydian Mahajani Mahj Malayalam Mand Mandaic Mani Manichaean Marc Marchen Masaram_Gondi Meetei_Mayek Mend Mende_Kikakui Merc Mero Meroitic_Cursive Meroitic_Hieroglyphs Miao Mlym Modi Mong Mongolian Mro Mroo Mtei Mult Multani Myanmar Mymr Nabataean Narb Nbat New_Tai_Lue Newa Nko Nkoo Nshu Nushu Ogam Ogham Ol_Chiki Olck Old_Hungarian Old_Italic Old_North_Arabian Old_Permic Old_Persian Old_South_Arabian Old_Turkic Oriya Orkh Orya Osage Osge Osma Osmanya Pahawh_Hmong Palm Palmyrene Pau_Cin_Hau Pauc Perm Phag Phags_Pa Phli Phlp Phnx Phoenician Plrd Prti Psalter_Pahlavi Qaac Qaai Rejang Rjng Runic Runr Samaritan Samr Sarb Saur Saurashtra Sgnw Sharada Shavian Shaw Shrd Sidd Siddham SignWriting Sind Sinh Sinhala Sora Sora_Sompeng Soyo Soyombo Sund Sundanese Sylo Syloti_Nagri Syrc Syriac Tagalog Tagb Tagbanwa Tai_Le Tai_Tham Tai_Viet Takr Takri Tale Talu Tamil Taml Tang Tangut Tavt Telu Telugu Tfng Tglg Thaa Thaana Thai Tibetan Tibt Tifinagh Tirh Tirhuta Ugar Ugaritic Vai Vaii Wara Warang_Citi Xpeo Xsux Yi Yiii Zanabazar_Square Zanb Zinh Zyyy", "Dogr Dogra Gong Gunjala_Gondi Hanifi_Rohingya Maka Makasar Medefaidrin Medf Old_Sogdian Rohg Sogd Sogdian Sogo", "Elym Elymaic Hmnp Nand Nandinagari Nyiakeng_Puachue_Hmong Wancho Wcho", "Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi", "Cpmn Cypro_Minoan Old_Uyghur Ougr Tangsa Tnsa Toto Vith Vithkuqi", "Berf Beria_Erfe Gara Garay Gukh Gurung_Khema Hrkt Katakana_Or_Hiragana Kawi Kirat_Rai Krai Nag_Mundari Nagm Ol_Onal Onao Sidetic Sidt Sunu Sunuwar Tai_Yo Tayo Todhri Todr Tolong_Siki Tols Tulu_Tigalari Tutg Unknown Zzzz", "", "", ""); +const binPropertySets = new DataSet("AHex ASCII ASCII_Hex_Digit Alpha Alphabetic Any Assigned Bidi_C Bidi_Control Bidi_M Bidi_Mirrored CI CWCF CWCM CWKCF CWL CWT CWU Case_Ignorable Cased Changes_When_Casefolded Changes_When_Casemapped Changes_When_Lowercased Changes_When_NFKC_Casefolded Changes_When_Titlecased Changes_When_Uppercased DI Dash Default_Ignorable_Code_Point Dep Deprecated Dia Diacritic Emoji Emoji_Component Emoji_Modifier Emoji_Modifier_Base Emoji_Presentation Ext Extender Gr_Base Gr_Ext Grapheme_Base Grapheme_Extend Hex Hex_Digit IDC IDS IDSB IDST IDS_Binary_Operator IDS_Trinary_Operator ID_Continue ID_Start Ideo Ideographic Join_C Join_Control LOE Logical_Order_Exception Lower Lowercase Math NChar Noncharacter_Code_Point Pat_Syn Pat_WS Pattern_Syntax Pattern_White_Space QMark Quotation_Mark RI Radical Regional_Indicator SD STerm Sentence_Terminal Soft_Dotted Term Terminal_Punctuation UIdeo Unified_Ideograph Upper Uppercase VS Variation_Selector White_Space XIDC XIDS XID_Continue XID_Start space", "Extended_Pictographic", "", "EBase EComp EMod EPres ExtPict", "", "", "", "", ""); +const binPropertyOfStringsSets = new DataSet("", "", "", "", "", "", "Basic_Emoji Emoji_Keycap_Sequence RGI_Emoji RGI_Emoji_Flag_Sequence RGI_Emoji_Modifier_Sequence RGI_Emoji_Tag_Sequence RGI_Emoji_ZWJ_Sequence", "", ""); +function isValidUnicodeProperty(version, name, value) { + if (gcNameSet.has(name)) { + return version >= 2018 && gcValueSets.es2018.has(value); + } + if (scNameSet.has(name)) { + return ((version >= 2018 && scValueSets.es2018.has(value)) || + (version >= 2019 && scValueSets.es2019.has(value)) || + (version >= 2020 && scValueSets.es2020.has(value)) || + (version >= 2021 && scValueSets.es2021.has(value)) || + (version >= 2022 && scValueSets.es2022.has(value)) || + (version >= 2023 && scValueSets.es2023.has(value))); + } + return false; +} +function isValidLoneUnicodeProperty(version, value) { + return ((version >= 2018 && binPropertySets.es2018.has(value)) || + (version >= 2019 && binPropertySets.es2019.has(value)) || + (version >= 2021 && binPropertySets.es2021.has(value))); +} +function isValidLoneUnicodePropertyOfString(version, value) { + return version >= 2024 && binPropertyOfStringsSets.es2024.has(value); +} + +const BACKSPACE = 0x08; +const CHARACTER_TABULATION = 0x09; +const LINE_FEED = 0x0a; +const LINE_TABULATION = 0x0b; +const FORM_FEED = 0x0c; +const CARRIAGE_RETURN = 0x0d; +const EXCLAMATION_MARK = 0x21; +const NUMBER_SIGN = 0x23; +const DOLLAR_SIGN = 0x24; +const PERCENT_SIGN = 0x25; +const AMPERSAND = 0x26; +const LEFT_PARENTHESIS = 0x28; +const RIGHT_PARENTHESIS = 0x29; +const ASTERISK = 0x2a; +const PLUS_SIGN = 0x2b; +const COMMA = 0x2c; +const HYPHEN_MINUS = 0x2d; +const FULL_STOP = 0x2e; +const SOLIDUS = 0x2f; +const DIGIT_ZERO = 0x30; +const DIGIT_ONE = 0x31; +const DIGIT_SEVEN = 0x37; +const DIGIT_NINE = 0x39; +const COLON = 0x3a; +const SEMICOLON = 0x3b; +const LESS_THAN_SIGN = 0x3c; +const EQUALS_SIGN = 0x3d; +const GREATER_THAN_SIGN = 0x3e; +const QUESTION_MARK = 0x3f; +const COMMERCIAL_AT = 0x40; +const LATIN_CAPITAL_LETTER_A = 0x41; +const LATIN_CAPITAL_LETTER_B = 0x42; +const LATIN_CAPITAL_LETTER_D = 0x44; +const LATIN_CAPITAL_LETTER_F = 0x46; +const LATIN_CAPITAL_LETTER_P = 0x50; +const LATIN_CAPITAL_LETTER_S = 0x53; +const LATIN_CAPITAL_LETTER_W = 0x57; +const LATIN_CAPITAL_LETTER_Z = 0x5a; +const LOW_LINE = 0x5f; +const LATIN_SMALL_LETTER_A = 0x61; +const LATIN_SMALL_LETTER_B = 0x62; +const LATIN_SMALL_LETTER_C = 0x63; +const LATIN_SMALL_LETTER_D = 0x64; +const LATIN_SMALL_LETTER_F = 0x66; +const LATIN_SMALL_LETTER_G = 0x67; +const LATIN_SMALL_LETTER_I = 0x69; +const LATIN_SMALL_LETTER_K = 0x6b; +const LATIN_SMALL_LETTER_M = 0x6d; +const LATIN_SMALL_LETTER_N = 0x6e; +const LATIN_SMALL_LETTER_P = 0x70; +const LATIN_SMALL_LETTER_Q = 0x71; +const LATIN_SMALL_LETTER_R = 0x72; +const LATIN_SMALL_LETTER_S = 0x73; +const LATIN_SMALL_LETTER_T = 0x74; +const LATIN_SMALL_LETTER_U = 0x75; +const LATIN_SMALL_LETTER_V = 0x76; +const LATIN_SMALL_LETTER_W = 0x77; +const LATIN_SMALL_LETTER_X = 0x78; +const LATIN_SMALL_LETTER_Y = 0x79; +const LATIN_SMALL_LETTER_Z = 0x7a; +const LEFT_SQUARE_BRACKET = 0x5b; +const REVERSE_SOLIDUS = 0x5c; +const RIGHT_SQUARE_BRACKET = 0x5d; +const CIRCUMFLEX_ACCENT = 0x5e; +const GRAVE_ACCENT = 0x60; +const LEFT_CURLY_BRACKET = 0x7b; +const VERTICAL_LINE = 0x7c; +const RIGHT_CURLY_BRACKET = 0x7d; +const TILDE = 0x7e; +const ZERO_WIDTH_NON_JOINER = 0x200c; +const ZERO_WIDTH_JOINER = 0x200d; +const LINE_SEPARATOR = 0x2028; +const PARAGRAPH_SEPARATOR = 0x2029; +const MIN_CODE_POINT = 0x00; +const MAX_CODE_POINT = 0x10ffff; +function isLatinLetter(code) { + return ((code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_Z) || + (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_Z)); +} +function isDecimalDigit(code) { + return code >= DIGIT_ZERO && code <= DIGIT_NINE; +} +function isOctalDigit(code) { + return code >= DIGIT_ZERO && code <= DIGIT_SEVEN; +} +function isHexDigit(code) { + return ((code >= DIGIT_ZERO && code <= DIGIT_NINE) || + (code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_F) || + (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_F)); +} +function isLineTerminator(code) { + return (code === LINE_FEED || + code === CARRIAGE_RETURN || + code === LINE_SEPARATOR || + code === PARAGRAPH_SEPARATOR); +} +function isValidUnicode(code) { + return code >= MIN_CODE_POINT && code <= MAX_CODE_POINT; +} +function digitToInt(code) { + if (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_F) { + return code - LATIN_SMALL_LETTER_A + 10; + } + if (code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_F) { + return code - LATIN_CAPITAL_LETTER_A + 10; + } + return code - DIGIT_ZERO; +} +function isLeadSurrogate(code) { + return code >= 0xd800 && code <= 0xdbff; +} +function isTrailSurrogate(code) { + return code >= 0xdc00 && code <= 0xdfff; +} +function combineSurrogatePair(lead, trail) { + return (lead - 0xd800) * 0x400 + (trail - 0xdc00) + 0x10000; +} + +class GroupSpecifiersAsES2018 { + constructor() { + this.groupName = new Set(); + } + clear() { + this.groupName.clear(); + } + isEmpty() { + return !this.groupName.size; + } + hasInPattern(name) { + return this.groupName.has(name); + } + hasInScope(name) { + return this.hasInPattern(name); + } + addToScope(name) { + this.groupName.add(name); + } + enterDisjunction() { + } + enterAlternative() { + } + leaveDisjunction() { + } +} +class BranchID { + constructor(parent, base) { + this.parent = parent; + this.base = base !== null && base !== void 0 ? base : this; + } + separatedFrom(other) { + var _a, _b; + if (this.base === other.base && this !== other) { + return true; + } + if (other.parent && this.separatedFrom(other.parent)) { + return true; + } + return (_b = (_a = this.parent) === null || _a === void 0 ? void 0 : _a.separatedFrom(other)) !== null && _b !== void 0 ? _b : false; + } + child() { + return new BranchID(this, null); + } + sibling() { + return new BranchID(this.parent, this.base); + } +} +class GroupSpecifiersAsES2025 { + constructor() { + this.branchID = new BranchID(null, null); + this.groupNames = new Map(); + } + clear() { + this.branchID = new BranchID(null, null); + this.groupNames.clear(); + } + isEmpty() { + return !this.groupNames.size; + } + enterDisjunction() { + this.branchID = this.branchID.child(); + } + enterAlternative(index) { + if (index === 0) { + return; + } + this.branchID = this.branchID.sibling(); + } + leaveDisjunction() { + this.branchID = this.branchID.parent; + } + hasInPattern(name) { + return this.groupNames.has(name); + } + hasInScope(name) { + const branches = this.groupNames.get(name); + if (!branches) { + return false; + } + for (const branch of branches) { + if (!branch.separatedFrom(this.branchID)) { + return true; + } + } + return false; + } + addToScope(name) { + const branches = this.groupNames.get(name); + if (branches) { + branches.push(this.branchID); + return; + } + this.groupNames.set(name, [this.branchID]); + } +} + +const legacyImpl = { + at(s, end, i) { + return i < end ? s.charCodeAt(i) : -1; + }, + width(c) { + return 1; + }, +}; +const unicodeImpl = { + at(s, end, i) { + return i < end ? s.codePointAt(i) : -1; + }, + width(c) { + return c > 0xffff ? 2 : 1; + }, +}; +class Reader { + constructor() { + this._impl = legacyImpl; + this._s = ""; + this._i = 0; + this._end = 0; + this._cp1 = -1; + this._w1 = 1; + this._cp2 = -1; + this._w2 = 1; + this._cp3 = -1; + this._w3 = 1; + this._cp4 = -1; + } + get source() { + return this._s; + } + get index() { + return this._i; + } + get currentCodePoint() { + return this._cp1; + } + get nextCodePoint() { + return this._cp2; + } + get nextCodePoint2() { + return this._cp3; + } + get nextCodePoint3() { + return this._cp4; + } + reset(source, start, end, uFlag) { + this._impl = uFlag ? unicodeImpl : legacyImpl; + this._s = source; + this._end = end; + this.rewind(start); + } + rewind(index) { + const impl = this._impl; + this._i = index; + this._cp1 = impl.at(this._s, this._end, index); + this._w1 = impl.width(this._cp1); + this._cp2 = impl.at(this._s, this._end, index + this._w1); + this._w2 = impl.width(this._cp2); + this._cp3 = impl.at(this._s, this._end, index + this._w1 + this._w2); + this._w3 = impl.width(this._cp3); + this._cp4 = impl.at(this._s, this._end, index + this._w1 + this._w2 + this._w3); + } + advance() { + if (this._cp1 !== -1) { + const impl = this._impl; + this._i += this._w1; + this._cp1 = this._cp2; + this._w1 = this._w2; + this._cp2 = this._cp3; + this._w2 = impl.width(this._cp2); + this._cp3 = this._cp4; + this._w3 = impl.width(this._cp3); + this._cp4 = impl.at(this._s, this._end, this._i + this._w1 + this._w2 + this._w3); + } + } + eat(cp) { + if (this._cp1 === cp) { + this.advance(); + return true; + } + return false; + } + eat2(cp1, cp2) { + if (this._cp1 === cp1 && this._cp2 === cp2) { + this.advance(); + this.advance(); + return true; + } + return false; + } + eat3(cp1, cp2, cp3) { + if (this._cp1 === cp1 && this._cp2 === cp2 && this._cp3 === cp3) { + this.advance(); + this.advance(); + this.advance(); + return true; + } + return false; + } +} + +class RegExpSyntaxError extends SyntaxError { + constructor(message, index) { + super(message); + this.index = index; + } +} +function newRegExpSyntaxError(srcCtx, flags, index, message) { + let source = ""; + if (srcCtx.kind === "literal") { + const literal = srcCtx.source.slice(srcCtx.start, srcCtx.end); + if (literal) { + source = `: ${literal}`; + } + } + else if (srcCtx.kind === "pattern") { + const pattern = srcCtx.source.slice(srcCtx.start, srcCtx.end); + const flagsText = `${flags.unicode ? "u" : ""}${flags.unicodeSets ? "v" : ""}`; + source = `: /${pattern}/${flagsText}`; + } + return new RegExpSyntaxError(`Invalid regular expression${source}: ${message}`, index); +} + +const SYNTAX_CHARACTER = new Set([ + CIRCUMFLEX_ACCENT, + DOLLAR_SIGN, + REVERSE_SOLIDUS, + FULL_STOP, + ASTERISK, + PLUS_SIGN, + QUESTION_MARK, + LEFT_PARENTHESIS, + RIGHT_PARENTHESIS, + LEFT_SQUARE_BRACKET, + RIGHT_SQUARE_BRACKET, + LEFT_CURLY_BRACKET, + RIGHT_CURLY_BRACKET, + VERTICAL_LINE, +]); +const CLASS_SET_RESERVED_DOUBLE_PUNCTUATOR_CHARACTER = new Set([ + AMPERSAND, + EXCLAMATION_MARK, + NUMBER_SIGN, + DOLLAR_SIGN, + PERCENT_SIGN, + ASTERISK, + PLUS_SIGN, + COMMA, + FULL_STOP, + COLON, + SEMICOLON, + LESS_THAN_SIGN, + EQUALS_SIGN, + GREATER_THAN_SIGN, + QUESTION_MARK, + COMMERCIAL_AT, + CIRCUMFLEX_ACCENT, + GRAVE_ACCENT, + TILDE, +]); +const CLASS_SET_SYNTAX_CHARACTER = new Set([ + LEFT_PARENTHESIS, + RIGHT_PARENTHESIS, + LEFT_SQUARE_BRACKET, + RIGHT_SQUARE_BRACKET, + LEFT_CURLY_BRACKET, + RIGHT_CURLY_BRACKET, + SOLIDUS, + HYPHEN_MINUS, + REVERSE_SOLIDUS, + VERTICAL_LINE, +]); +const CLASS_SET_RESERVED_PUNCTUATOR = new Set([ + AMPERSAND, + HYPHEN_MINUS, + EXCLAMATION_MARK, + NUMBER_SIGN, + PERCENT_SIGN, + COMMA, + COLON, + SEMICOLON, + LESS_THAN_SIGN, + EQUALS_SIGN, + GREATER_THAN_SIGN, + COMMERCIAL_AT, + GRAVE_ACCENT, + TILDE, +]); +const FLAG_PROP_TO_CODEPOINT = { + global: LATIN_SMALL_LETTER_G, + ignoreCase: LATIN_SMALL_LETTER_I, + multiline: LATIN_SMALL_LETTER_M, + unicode: LATIN_SMALL_LETTER_U, + sticky: LATIN_SMALL_LETTER_Y, + dotAll: LATIN_SMALL_LETTER_S, + hasIndices: LATIN_SMALL_LETTER_D, + unicodeSets: LATIN_SMALL_LETTER_V, +}; +const FLAG_CODEPOINT_TO_PROP = Object.fromEntries(Object.entries(FLAG_PROP_TO_CODEPOINT).map(([k, v]) => [v, k])); +function isSyntaxCharacter(cp) { + return SYNTAX_CHARACTER.has(cp); +} +function isClassSetReservedDoublePunctuatorCharacter(cp) { + return CLASS_SET_RESERVED_DOUBLE_PUNCTUATOR_CHARACTER.has(cp); +} +function isClassSetSyntaxCharacter(cp) { + return CLASS_SET_SYNTAX_CHARACTER.has(cp); +} +function isClassSetReservedPunctuator(cp) { + return CLASS_SET_RESERVED_PUNCTUATOR.has(cp); +} +function isIdentifierStartChar(cp) { + return isIdStart(cp) || cp === DOLLAR_SIGN || cp === LOW_LINE; +} +function isIdentifierPartChar(cp) { + return (isIdContinue(cp) || + cp === DOLLAR_SIGN || + cp === ZERO_WIDTH_NON_JOINER || + cp === ZERO_WIDTH_JOINER); +} +function isUnicodePropertyNameCharacter(cp) { + return isLatinLetter(cp) || cp === LOW_LINE; +} +function isUnicodePropertyValueCharacter(cp) { + return isUnicodePropertyNameCharacter(cp) || isDecimalDigit(cp); +} +function isRegularExpressionModifier(ch) { + return (ch === LATIN_SMALL_LETTER_I || + ch === LATIN_SMALL_LETTER_M || + ch === LATIN_SMALL_LETTER_S); +} +class RegExpValidator { + constructor(options) { + this._reader = new Reader(); + this._unicodeMode = false; + this._unicodeSetsMode = false; + this._nFlag = false; + this._lastIntValue = 0; + this._lastRange = { + min: 0, + max: Number.POSITIVE_INFINITY, + }; + this._lastStrValue = ""; + this._lastAssertionIsQuantifiable = false; + this._numCapturingParens = 0; + this._backreferenceNames = new Set(); + this._srcCtx = null; + this._options = options !== null && options !== void 0 ? options : {}; + this._groupSpecifiers = + this.ecmaVersion >= 2025 + ? new GroupSpecifiersAsES2025() + : new GroupSpecifiersAsES2018(); + } + validateLiteral(source, start = 0, end = source.length) { + this._srcCtx = { source, start, end, kind: "literal" }; + this._unicodeSetsMode = this._unicodeMode = this._nFlag = false; + this.reset(source, start, end); + this.onLiteralEnter(start); + if (this.eat(SOLIDUS) && this.eatRegExpBody() && this.eat(SOLIDUS)) { + const flagStart = this.index; + const unicode = source.includes("u", flagStart); + const unicodeSets = source.includes("v", flagStart); + this.validateFlagsInternal(source, flagStart, end); + this.validatePatternInternal(source, start + 1, flagStart - 1, { + unicode, + unicodeSets, + }); + } + else if (start >= end) { + this.raise("Empty"); + } + else { + const c = String.fromCodePoint(this.currentCodePoint); + this.raise(`Unexpected character '${c}'`); + } + this.onLiteralLeave(start, end); + } + validateFlags(source, start = 0, end = source.length) { + this._srcCtx = { source, start, end, kind: "flags" }; + this.validateFlagsInternal(source, start, end); + } + validatePattern(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + this._srcCtx = { source, start, end, kind: "pattern" }; + this.validatePatternInternal(source, start, end, uFlagOrFlags); + } + validatePatternInternal(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + const mode = this._parseFlagsOptionToMode(uFlagOrFlags, end); + this._unicodeMode = mode.unicodeMode; + this._nFlag = mode.nFlag; + this._unicodeSetsMode = mode.unicodeSetsMode; + this.reset(source, start, end); + this.consumePattern(); + if (!this._nFlag && + this.ecmaVersion >= 2018 && + !this._groupSpecifiers.isEmpty()) { + this._nFlag = true; + this.rewind(start); + this.consumePattern(); + } + } + validateFlagsInternal(source, start, end) { + const flags = this.parseFlags(source, start, end); + this.onRegExpFlags(start, end, flags); + } + _parseFlagsOptionToMode(uFlagOrFlags, sourceEnd) { + let unicode = false; + let unicodeSets = false; + if (uFlagOrFlags && this.ecmaVersion >= 2015) { + if (typeof uFlagOrFlags === "object") { + unicode = Boolean(uFlagOrFlags.unicode); + if (this.ecmaVersion >= 2024) { + unicodeSets = Boolean(uFlagOrFlags.unicodeSets); + } + } + else { + unicode = uFlagOrFlags; + } + } + if (unicode && unicodeSets) { + this.raise("Invalid regular expression flags", { + index: sourceEnd + 1, + unicode, + unicodeSets, + }); + } + const unicodeMode = unicode || unicodeSets; + const nFlag = (unicode && this.ecmaVersion >= 2018) || + unicodeSets || + Boolean(this._options.strict && this.ecmaVersion >= 2023); + const unicodeSetsMode = unicodeSets; + return { unicodeMode, nFlag, unicodeSetsMode }; + } + get strict() { + return Boolean(this._options.strict) || this._unicodeMode; + } + get ecmaVersion() { + var _a; + return (_a = this._options.ecmaVersion) !== null && _a !== void 0 ? _a : latestEcmaVersion; + } + onLiteralEnter(start) { + if (this._options.onLiteralEnter) { + this._options.onLiteralEnter(start); + } + } + onLiteralLeave(start, end) { + if (this._options.onLiteralLeave) { + this._options.onLiteralLeave(start, end); + } + } + onRegExpFlags(start, end, flags) { + if (this._options.onRegExpFlags) { + this._options.onRegExpFlags(start, end, flags); + } + if (this._options.onFlags) { + this._options.onFlags(start, end, flags.global, flags.ignoreCase, flags.multiline, flags.unicode, flags.sticky, flags.dotAll, flags.hasIndices); + } + } + onPatternEnter(start) { + if (this._options.onPatternEnter) { + this._options.onPatternEnter(start); + } + } + onPatternLeave(start, end) { + if (this._options.onPatternLeave) { + this._options.onPatternLeave(start, end); + } + } + onDisjunctionEnter(start) { + if (this._options.onDisjunctionEnter) { + this._options.onDisjunctionEnter(start); + } + } + onDisjunctionLeave(start, end) { + if (this._options.onDisjunctionLeave) { + this._options.onDisjunctionLeave(start, end); + } + } + onAlternativeEnter(start, index) { + if (this._options.onAlternativeEnter) { + this._options.onAlternativeEnter(start, index); + } + } + onAlternativeLeave(start, end, index) { + if (this._options.onAlternativeLeave) { + this._options.onAlternativeLeave(start, end, index); + } + } + onGroupEnter(start) { + if (this._options.onGroupEnter) { + this._options.onGroupEnter(start); + } + } + onGroupLeave(start, end) { + if (this._options.onGroupLeave) { + this._options.onGroupLeave(start, end); + } + } + onModifiersEnter(start) { + if (this._options.onModifiersEnter) { + this._options.onModifiersEnter(start); + } + } + onModifiersLeave(start, end) { + if (this._options.onModifiersLeave) { + this._options.onModifiersLeave(start, end); + } + } + onAddModifiers(start, end, flags) { + if (this._options.onAddModifiers) { + this._options.onAddModifiers(start, end, flags); + } + } + onRemoveModifiers(start, end, flags) { + if (this._options.onRemoveModifiers) { + this._options.onRemoveModifiers(start, end, flags); + } + } + onCapturingGroupEnter(start, name) { + if (this._options.onCapturingGroupEnter) { + this._options.onCapturingGroupEnter(start, name); + } + } + onCapturingGroupLeave(start, end, name) { + if (this._options.onCapturingGroupLeave) { + this._options.onCapturingGroupLeave(start, end, name); + } + } + onQuantifier(start, end, min, max, greedy) { + if (this._options.onQuantifier) { + this._options.onQuantifier(start, end, min, max, greedy); + } + } + onLookaroundAssertionEnter(start, kind, negate) { + if (this._options.onLookaroundAssertionEnter) { + this._options.onLookaroundAssertionEnter(start, kind, negate); + } + } + onLookaroundAssertionLeave(start, end, kind, negate) { + if (this._options.onLookaroundAssertionLeave) { + this._options.onLookaroundAssertionLeave(start, end, kind, negate); + } + } + onEdgeAssertion(start, end, kind) { + if (this._options.onEdgeAssertion) { + this._options.onEdgeAssertion(start, end, kind); + } + } + onWordBoundaryAssertion(start, end, kind, negate) { + if (this._options.onWordBoundaryAssertion) { + this._options.onWordBoundaryAssertion(start, end, kind, negate); + } + } + onAnyCharacterSet(start, end, kind) { + if (this._options.onAnyCharacterSet) { + this._options.onAnyCharacterSet(start, end, kind); + } + } + onEscapeCharacterSet(start, end, kind, negate) { + if (this._options.onEscapeCharacterSet) { + this._options.onEscapeCharacterSet(start, end, kind, negate); + } + } + onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings) { + if (this._options.onUnicodePropertyCharacterSet) { + this._options.onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings); + } + } + onCharacter(start, end, value) { + if (this._options.onCharacter) { + this._options.onCharacter(start, end, value); + } + } + onBackreference(start, end, ref) { + if (this._options.onBackreference) { + this._options.onBackreference(start, end, ref); + } + } + onCharacterClassEnter(start, negate, unicodeSets) { + if (this._options.onCharacterClassEnter) { + this._options.onCharacterClassEnter(start, negate, unicodeSets); + } + } + onCharacterClassLeave(start, end, negate) { + if (this._options.onCharacterClassLeave) { + this._options.onCharacterClassLeave(start, end, negate); + } + } + onCharacterClassRange(start, end, min, max) { + if (this._options.onCharacterClassRange) { + this._options.onCharacterClassRange(start, end, min, max); + } + } + onClassIntersection(start, end) { + if (this._options.onClassIntersection) { + this._options.onClassIntersection(start, end); + } + } + onClassSubtraction(start, end) { + if (this._options.onClassSubtraction) { + this._options.onClassSubtraction(start, end); + } + } + onClassStringDisjunctionEnter(start) { + if (this._options.onClassStringDisjunctionEnter) { + this._options.onClassStringDisjunctionEnter(start); + } + } + onClassStringDisjunctionLeave(start, end) { + if (this._options.onClassStringDisjunctionLeave) { + this._options.onClassStringDisjunctionLeave(start, end); + } + } + onStringAlternativeEnter(start, index) { + if (this._options.onStringAlternativeEnter) { + this._options.onStringAlternativeEnter(start, index); + } + } + onStringAlternativeLeave(start, end, index) { + if (this._options.onStringAlternativeLeave) { + this._options.onStringAlternativeLeave(start, end, index); + } + } + get index() { + return this._reader.index; + } + get currentCodePoint() { + return this._reader.currentCodePoint; + } + get nextCodePoint() { + return this._reader.nextCodePoint; + } + get nextCodePoint2() { + return this._reader.nextCodePoint2; + } + get nextCodePoint3() { + return this._reader.nextCodePoint3; + } + reset(source, start, end) { + this._reader.reset(source, start, end, this._unicodeMode); + } + rewind(index) { + this._reader.rewind(index); + } + advance() { + this._reader.advance(); + } + eat(cp) { + return this._reader.eat(cp); + } + eat2(cp1, cp2) { + return this._reader.eat2(cp1, cp2); + } + eat3(cp1, cp2, cp3) { + return this._reader.eat3(cp1, cp2, cp3); + } + raise(message, context) { + var _a, _b, _c; + throw newRegExpSyntaxError(this._srcCtx, { + unicode: (_a = context === null || context === void 0 ? void 0 : context.unicode) !== null && _a !== void 0 ? _a : (this._unicodeMode && !this._unicodeSetsMode), + unicodeSets: (_b = context === null || context === void 0 ? void 0 : context.unicodeSets) !== null && _b !== void 0 ? _b : this._unicodeSetsMode, + }, (_c = context === null || context === void 0 ? void 0 : context.index) !== null && _c !== void 0 ? _c : this.index, message); + } + eatRegExpBody() { + const start = this.index; + let inClass = false; + let escaped = false; + for (;;) { + const cp = this.currentCodePoint; + if (cp === -1 || isLineTerminator(cp)) { + const kind = inClass ? "character class" : "regular expression"; + this.raise(`Unterminated ${kind}`); + } + if (escaped) { + escaped = false; + } + else if (cp === REVERSE_SOLIDUS) { + escaped = true; + } + else if (cp === LEFT_SQUARE_BRACKET) { + inClass = true; + } + else if (cp === RIGHT_SQUARE_BRACKET) { + inClass = false; + } + else if ((cp === SOLIDUS && !inClass) || + (cp === ASTERISK && this.index === start)) { + break; + } + this.advance(); + } + return this.index !== start; + } + consumePattern() { + const start = this.index; + this._numCapturingParens = this.countCapturingParens(); + this._groupSpecifiers.clear(); + this._backreferenceNames.clear(); + this.onPatternEnter(start); + this.consumeDisjunction(); + const cp = this.currentCodePoint; + if (this.currentCodePoint !== -1) { + if (cp === RIGHT_PARENTHESIS) { + this.raise("Unmatched ')'"); + } + if (cp === REVERSE_SOLIDUS) { + this.raise("\\ at end of pattern"); + } + if (cp === RIGHT_SQUARE_BRACKET || cp === RIGHT_CURLY_BRACKET) { + this.raise("Lone quantifier brackets"); + } + const c = String.fromCodePoint(cp); + this.raise(`Unexpected character '${c}'`); + } + for (const name of this._backreferenceNames) { + if (!this._groupSpecifiers.hasInPattern(name)) { + this.raise("Invalid named capture referenced"); + } + } + this.onPatternLeave(start, this.index); + } + countCapturingParens() { + const start = this.index; + let inClass = false; + let escaped = false; + let count = 0; + let cp = 0; + while ((cp = this.currentCodePoint) !== -1) { + if (escaped) { + escaped = false; + } + else if (cp === REVERSE_SOLIDUS) { + escaped = true; + } + else if (cp === LEFT_SQUARE_BRACKET) { + inClass = true; + } + else if (cp === RIGHT_SQUARE_BRACKET) { + inClass = false; + } + else if (cp === LEFT_PARENTHESIS && + !inClass && + (this.nextCodePoint !== QUESTION_MARK || + (this.nextCodePoint2 === LESS_THAN_SIGN && + this.nextCodePoint3 !== EQUALS_SIGN && + this.nextCodePoint3 !== EXCLAMATION_MARK))) { + count += 1; + } + this.advance(); + } + this.rewind(start); + return count; + } + consumeDisjunction() { + const start = this.index; + let i = 0; + this._groupSpecifiers.enterDisjunction(); + this.onDisjunctionEnter(start); + do { + this.consumeAlternative(i++); + } while (this.eat(VERTICAL_LINE)); + if (this.consumeQuantifier(true)) { + this.raise("Nothing to repeat"); + } + if (this.eat(LEFT_CURLY_BRACKET)) { + this.raise("Lone quantifier brackets"); + } + this.onDisjunctionLeave(start, this.index); + this._groupSpecifiers.leaveDisjunction(); + } + consumeAlternative(i) { + const start = this.index; + this._groupSpecifiers.enterAlternative(i); + this.onAlternativeEnter(start, i); + while (this.currentCodePoint !== -1 && this.consumeTerm()) { + } + this.onAlternativeLeave(start, this.index, i); + } + consumeTerm() { + if (this._unicodeMode || this.strict) { + return (this.consumeAssertion() || + (this.consumeAtom() && this.consumeOptionalQuantifier())); + } + return ((this.consumeAssertion() && + (!this._lastAssertionIsQuantifiable || + this.consumeOptionalQuantifier())) || + (this.consumeExtendedAtom() && this.consumeOptionalQuantifier())); + } + consumeOptionalQuantifier() { + this.consumeQuantifier(); + return true; + } + consumeAssertion() { + const start = this.index; + this._lastAssertionIsQuantifiable = false; + if (this.eat(CIRCUMFLEX_ACCENT)) { + this.onEdgeAssertion(start, this.index, "start"); + return true; + } + if (this.eat(DOLLAR_SIGN)) { + this.onEdgeAssertion(start, this.index, "end"); + return true; + } + if (this.eat2(REVERSE_SOLIDUS, LATIN_CAPITAL_LETTER_B)) { + this.onWordBoundaryAssertion(start, this.index, "word", true); + return true; + } + if (this.eat2(REVERSE_SOLIDUS, LATIN_SMALL_LETTER_B)) { + this.onWordBoundaryAssertion(start, this.index, "word", false); + return true; + } + if (this.eat2(LEFT_PARENTHESIS, QUESTION_MARK)) { + const lookbehind = this.ecmaVersion >= 2018 && this.eat(LESS_THAN_SIGN); + let negate = false; + if (this.eat(EQUALS_SIGN) || + (negate = this.eat(EXCLAMATION_MARK))) { + const kind = lookbehind ? "lookbehind" : "lookahead"; + this.onLookaroundAssertionEnter(start, kind, negate); + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this._lastAssertionIsQuantifiable = !lookbehind && !this.strict; + this.onLookaroundAssertionLeave(start, this.index, kind, negate); + return true; + } + this.rewind(start); + } + return false; + } + consumeQuantifier(noConsume = false) { + const start = this.index; + let min = 0; + let max = 0; + let greedy = false; + if (this.eat(ASTERISK)) { + min = 0; + max = Number.POSITIVE_INFINITY; + } + else if (this.eat(PLUS_SIGN)) { + min = 1; + max = Number.POSITIVE_INFINITY; + } + else if (this.eat(QUESTION_MARK)) { + min = 0; + max = 1; + } + else if (this.eatBracedQuantifier(noConsume)) { + ({ min, max } = this._lastRange); + } + else { + return false; + } + greedy = !this.eat(QUESTION_MARK); + if (!noConsume) { + this.onQuantifier(start, this.index, min, max, greedy); + } + return true; + } + eatBracedQuantifier(noError) { + const start = this.index; + if (this.eat(LEFT_CURLY_BRACKET)) { + if (this.eatDecimalDigits()) { + const min = this._lastIntValue; + let max = min; + if (this.eat(COMMA)) { + max = this.eatDecimalDigits() + ? this._lastIntValue + : Number.POSITIVE_INFINITY; + } + if (this.eat(RIGHT_CURLY_BRACKET)) { + if (!noError && max < min) { + this.raise("numbers out of order in {} quantifier"); + } + this._lastRange = { min, max }; + return true; + } + } + if (!noError && (this._unicodeMode || this.strict)) { + this.raise("Incomplete quantifier"); + } + this.rewind(start); + } + return false; + } + consumeAtom() { + return (this.consumePatternCharacter() || + this.consumeDot() || + this.consumeReverseSolidusAtomEscape() || + Boolean(this.consumeCharacterClass()) || + this.consumeCapturingGroup() || + this.consumeUncapturingGroup()); + } + consumeDot() { + if (this.eat(FULL_STOP)) { + this.onAnyCharacterSet(this.index - 1, this.index, "any"); + return true; + } + return false; + } + consumeReverseSolidusAtomEscape() { + const start = this.index; + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeAtomEscape()) { + return true; + } + this.rewind(start); + } + return false; + } + consumeUncapturingGroup() { + const start = this.index; + if (this.eat2(LEFT_PARENTHESIS, QUESTION_MARK)) { + this.onGroupEnter(start); + if (this.ecmaVersion >= 2025) { + this.consumeModifiers(); + } + if (!this.eat(COLON)) { + this.rewind(start + 1); + this.raise("Invalid group"); + } + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this.onGroupLeave(start, this.index); + return true; + } + return false; + } + consumeModifiers() { + const start = this.index; + const hasAddModifiers = this.eatModifiers(); + const addModifiersEnd = this.index; + const hasHyphen = this.eat(HYPHEN_MINUS); + if (!hasAddModifiers && !hasHyphen) { + return false; + } + this.onModifiersEnter(start); + const addModifiers = this.parseModifiers(start, addModifiersEnd); + this.onAddModifiers(start, addModifiersEnd, addModifiers); + if (hasHyphen) { + const modifiersStart = this.index; + if (!this.eatModifiers() && + !hasAddModifiers && + this.currentCodePoint === COLON) { + this.raise("Invalid empty flags"); + } + const modifiers = this.parseModifiers(modifiersStart, this.index); + for (const [flagName] of Object.entries(modifiers).filter(([, enable]) => enable)) { + if (addModifiers[flagName]) { + this.raise(`Duplicated flag '${String.fromCodePoint(FLAG_PROP_TO_CODEPOINT[flagName])}'`); + } + } + this.onRemoveModifiers(modifiersStart, this.index, modifiers); + } + this.onModifiersLeave(start, this.index); + return true; + } + consumeCapturingGroup() { + const start = this.index; + if (this.eat(LEFT_PARENTHESIS)) { + let name = null; + if (this.ecmaVersion >= 2018) { + if (this.consumeGroupSpecifier()) { + name = this._lastStrValue; + } + else if (this.currentCodePoint === QUESTION_MARK) { + this.rewind(start); + return false; + } + } + else if (this.currentCodePoint === QUESTION_MARK) { + this.rewind(start); + return false; + } + this.onCapturingGroupEnter(start, name); + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this.onCapturingGroupLeave(start, this.index, name); + return true; + } + return false; + } + consumeExtendedAtom() { + return (this.consumeDot() || + this.consumeReverseSolidusAtomEscape() || + this.consumeReverseSolidusFollowedByC() || + Boolean(this.consumeCharacterClass()) || + this.consumeCapturingGroup() || + this.consumeUncapturingGroup() || + this.consumeInvalidBracedQuantifier() || + this.consumeExtendedPatternCharacter()); + } + consumeReverseSolidusFollowedByC() { + const start = this.index; + if (this.currentCodePoint === REVERSE_SOLIDUS && + this.nextCodePoint === LATIN_SMALL_LETTER_C) { + this._lastIntValue = this.currentCodePoint; + this.advance(); + this.onCharacter(start, this.index, REVERSE_SOLIDUS); + return true; + } + return false; + } + consumeInvalidBracedQuantifier() { + if (this.eatBracedQuantifier(true)) { + this.raise("Nothing to repeat"); + } + return false; + } + consumePatternCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && !isSyntaxCharacter(cp)) { + this.advance(); + this.onCharacter(start, this.index, cp); + return true; + } + return false; + } + consumeExtendedPatternCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && + cp !== CIRCUMFLEX_ACCENT && + cp !== DOLLAR_SIGN && + cp !== REVERSE_SOLIDUS && + cp !== FULL_STOP && + cp !== ASTERISK && + cp !== PLUS_SIGN && + cp !== QUESTION_MARK && + cp !== LEFT_PARENTHESIS && + cp !== RIGHT_PARENTHESIS && + cp !== LEFT_SQUARE_BRACKET && + cp !== VERTICAL_LINE) { + this.advance(); + this.onCharacter(start, this.index, cp); + return true; + } + return false; + } + consumeGroupSpecifier() { + const start = this.index; + if (this.eat(QUESTION_MARK)) { + if (this.eatGroupName()) { + if (!this._groupSpecifiers.hasInScope(this._lastStrValue)) { + this._groupSpecifiers.addToScope(this._lastStrValue); + return true; + } + this.raise("Duplicate capture group name"); + } + this.rewind(start); + } + return false; + } + consumeAtomEscape() { + if (this.consumeBackreference() || + this.consumeCharacterClassEscape() || + this.consumeCharacterEscape() || + (this._nFlag && this.consumeKGroupName())) { + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + return false; + } + consumeBackreference() { + const start = this.index; + if (this.eatDecimalEscape()) { + const n = this._lastIntValue; + if (n <= this._numCapturingParens) { + this.onBackreference(start - 1, this.index, n); + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + consumeCharacterClassEscape() { + var _a; + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_D)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "digit", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_D)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "digit", true); + return {}; + } + if (this.eat(LATIN_SMALL_LETTER_S)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "space", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_S)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "space", true); + return {}; + } + if (this.eat(LATIN_SMALL_LETTER_W)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "word", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_W)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "word", true); + return {}; + } + let negate = false; + if (this._unicodeMode && + this.ecmaVersion >= 2018 && + (this.eat(LATIN_SMALL_LETTER_P) || + (negate = this.eat(LATIN_CAPITAL_LETTER_P)))) { + this._lastIntValue = -1; + let result = null; + if (this.eat(LEFT_CURLY_BRACKET) && + (result = this.eatUnicodePropertyValueExpression()) && + this.eat(RIGHT_CURLY_BRACKET)) { + if (negate && result.strings) { + this.raise("Invalid property name"); + } + this.onUnicodePropertyCharacterSet(start - 1, this.index, "property", result.key, result.value, negate, (_a = result.strings) !== null && _a !== void 0 ? _a : false); + return { mayContainStrings: result.strings }; + } + this.raise("Invalid property name"); + } + return null; + } + consumeCharacterEscape() { + const start = this.index; + if (this.eatControlEscape() || + this.eatCControlLetter() || + this.eatZero() || + this.eatHexEscapeSequence() || + this.eatRegExpUnicodeEscapeSequence() || + (!this.strict && + !this._unicodeMode && + this.eatLegacyOctalEscapeSequence()) || + this.eatIdentityEscape()) { + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + return false; + } + consumeKGroupName() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_K)) { + if (this.eatGroupName()) { + const groupName = this._lastStrValue; + this._backreferenceNames.add(groupName); + this.onBackreference(start - 1, this.index, groupName); + return true; + } + this.raise("Invalid named reference"); + } + return false; + } + consumeCharacterClass() { + const start = this.index; + if (this.eat(LEFT_SQUARE_BRACKET)) { + const negate = this.eat(CIRCUMFLEX_ACCENT); + this.onCharacterClassEnter(start, negate, this._unicodeSetsMode); + const result = this.consumeClassContents(); + if (!this.eat(RIGHT_SQUARE_BRACKET)) { + if (this.currentCodePoint === -1) { + this.raise("Unterminated character class"); + } + this.raise("Invalid character in character class"); + } + if (negate && result.mayContainStrings) { + this.raise("Negated character class may contain strings"); + } + this.onCharacterClassLeave(start, this.index, negate); + return result; + } + return null; + } + consumeClassContents() { + if (this._unicodeSetsMode) { + if (this.currentCodePoint === RIGHT_SQUARE_BRACKET) { + return {}; + } + const result = this.consumeClassSetExpression(); + return result; + } + const strict = this.strict || this._unicodeMode; + for (;;) { + const rangeStart = this.index; + if (!this.consumeClassAtom()) { + break; + } + const min = this._lastIntValue; + if (!this.eat(HYPHEN_MINUS)) { + continue; + } + this.onCharacter(this.index - 1, this.index, HYPHEN_MINUS); + if (!this.consumeClassAtom()) { + break; + } + const max = this._lastIntValue; + if (min === -1 || max === -1) { + if (strict) { + this.raise("Invalid character class"); + } + continue; + } + if (min > max) { + this.raise("Range out of order in character class"); + } + this.onCharacterClassRange(rangeStart, this.index, min, max); + } + return {}; + } + consumeClassAtom() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && + cp !== REVERSE_SOLIDUS && + cp !== RIGHT_SQUARE_BRACKET) { + this.advance(); + this._lastIntValue = cp; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeClassEscape()) { + return true; + } + if (!this.strict && + this.currentCodePoint === LATIN_SMALL_LETTER_C) { + this._lastIntValue = REVERSE_SOLIDUS; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + consumeClassEscape() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_B)) { + this._lastIntValue = BACKSPACE; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + if (this._unicodeMode && this.eat(HYPHEN_MINUS)) { + this._lastIntValue = HYPHEN_MINUS; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + let cp = 0; + if (!this.strict && + !this._unicodeMode && + this.currentCodePoint === LATIN_SMALL_LETTER_C && + (isDecimalDigit((cp = this.nextCodePoint)) || cp === LOW_LINE)) { + this.advance(); + this.advance(); + this._lastIntValue = cp % 0x20; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + return (Boolean(this.consumeCharacterClassEscape()) || + this.consumeCharacterEscape()); + } + consumeClassSetExpression() { + const start = this.index; + let mayContainStrings = false; + let result = null; + if (this.consumeClassSetCharacter()) { + if (this.consumeClassSetRangeFromOperator(start)) { + this.consumeClassUnionRight({}); + return {}; + } + mayContainStrings = false; + } + else if ((result = this.consumeClassSetOperand())) { + mayContainStrings = result.mayContainStrings; + } + else { + const cp = this.currentCodePoint; + if (cp === REVERSE_SOLIDUS) { + this.advance(); + this.raise("Invalid escape"); + } + if (cp === this.nextCodePoint && + isClassSetReservedDoublePunctuatorCharacter(cp)) { + this.raise("Invalid set operation in character class"); + } + this.raise("Invalid character in character class"); + } + if (this.eat2(AMPERSAND, AMPERSAND)) { + while (this.currentCodePoint !== AMPERSAND && + (result = this.consumeClassSetOperand())) { + this.onClassIntersection(start, this.index); + if (!result.mayContainStrings) { + mayContainStrings = false; + } + if (this.eat2(AMPERSAND, AMPERSAND)) { + continue; + } + return { mayContainStrings }; + } + this.raise("Invalid character in character class"); + } + if (this.eat2(HYPHEN_MINUS, HYPHEN_MINUS)) { + while (this.consumeClassSetOperand()) { + this.onClassSubtraction(start, this.index); + if (this.eat2(HYPHEN_MINUS, HYPHEN_MINUS)) { + continue; + } + return { mayContainStrings }; + } + this.raise("Invalid character in character class"); + } + return this.consumeClassUnionRight({ mayContainStrings }); + } + consumeClassUnionRight(leftResult) { + let mayContainStrings = leftResult.mayContainStrings; + for (;;) { + const start = this.index; + if (this.consumeClassSetCharacter()) { + this.consumeClassSetRangeFromOperator(start); + continue; + } + const result = this.consumeClassSetOperand(); + if (result) { + if (result.mayContainStrings) { + mayContainStrings = true; + } + continue; + } + break; + } + return { mayContainStrings }; + } + consumeClassSetRangeFromOperator(start) { + const currentStart = this.index; + const min = this._lastIntValue; + if (this.eat(HYPHEN_MINUS)) { + if (this.consumeClassSetCharacter()) { + const max = this._lastIntValue; + if (min === -1 || max === -1) { + this.raise("Invalid character class"); + } + if (min > max) { + this.raise("Range out of order in character class"); + } + this.onCharacterClassRange(start, this.index, min, max); + return true; + } + this.rewind(currentStart); + } + return false; + } + consumeClassSetOperand() { + let result = null; + if ((result = this.consumeNestedClass())) { + return result; + } + if ((result = this.consumeClassStringDisjunction())) { + return result; + } + if (this.consumeClassSetCharacter()) { + return {}; + } + return null; + } + consumeNestedClass() { + const start = this.index; + if (this.eat(LEFT_SQUARE_BRACKET)) { + const negate = this.eat(CIRCUMFLEX_ACCENT); + this.onCharacterClassEnter(start, negate, true); + const result = this.consumeClassContents(); + if (!this.eat(RIGHT_SQUARE_BRACKET)) { + this.raise("Unterminated character class"); + } + if (negate && result.mayContainStrings) { + this.raise("Negated character class may contain strings"); + } + this.onCharacterClassLeave(start, this.index, negate); + return result; + } + if (this.eat(REVERSE_SOLIDUS)) { + const result = this.consumeCharacterClassEscape(); + if (result) { + return result; + } + this.rewind(start); + } + return null; + } + consumeClassStringDisjunction() { + const start = this.index; + if (this.eat3(REVERSE_SOLIDUS, LATIN_SMALL_LETTER_Q, LEFT_CURLY_BRACKET)) { + this.onClassStringDisjunctionEnter(start); + let i = 0; + let mayContainStrings = false; + do { + if (this.consumeClassString(i++).mayContainStrings) { + mayContainStrings = true; + } + } while (this.eat(VERTICAL_LINE)); + if (this.eat(RIGHT_CURLY_BRACKET)) { + this.onClassStringDisjunctionLeave(start, this.index); + return { mayContainStrings }; + } + this.raise("Unterminated class string disjunction"); + } + return null; + } + consumeClassString(i) { + const start = this.index; + let count = 0; + this.onStringAlternativeEnter(start, i); + while (this.currentCodePoint !== -1 && + this.consumeClassSetCharacter()) { + count++; + } + this.onStringAlternativeLeave(start, this.index, i); + return { mayContainStrings: count !== 1 }; + } + consumeClassSetCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== this.nextCodePoint || + !isClassSetReservedDoublePunctuatorCharacter(cp)) { + if (cp !== -1 && !isClassSetSyntaxCharacter(cp)) { + this._lastIntValue = cp; + this.advance(); + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + } + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeCharacterEscape()) { + return true; + } + if (isClassSetReservedPunctuator(this.currentCodePoint)) { + this._lastIntValue = this.currentCodePoint; + this.advance(); + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.eat(LATIN_SMALL_LETTER_B)) { + this._lastIntValue = BACKSPACE; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + this.rewind(start); + } + return false; + } + eatGroupName() { + if (this.eat(LESS_THAN_SIGN)) { + if (this.eatRegExpIdentifierName() && this.eat(GREATER_THAN_SIGN)) { + return true; + } + this.raise("Invalid capture group name"); + } + return false; + } + eatRegExpIdentifierName() { + if (this.eatRegExpIdentifierStart()) { + this._lastStrValue = String.fromCodePoint(this._lastIntValue); + while (this.eatRegExpIdentifierPart()) { + this._lastStrValue += String.fromCodePoint(this._lastIntValue); + } + return true; + } + return false; + } + eatRegExpIdentifierStart() { + const start = this.index; + const forceUFlag = !this._unicodeMode && this.ecmaVersion >= 2020; + let cp = this.currentCodePoint; + this.advance(); + if (cp === REVERSE_SOLIDUS && + this.eatRegExpUnicodeEscapeSequence(forceUFlag)) { + cp = this._lastIntValue; + } + else if (forceUFlag && + isLeadSurrogate(cp) && + isTrailSurrogate(this.currentCodePoint)) { + cp = combineSurrogatePair(cp, this.currentCodePoint); + this.advance(); + } + if (isIdentifierStartChar(cp)) { + this._lastIntValue = cp; + return true; + } + if (this.index !== start) { + this.rewind(start); + } + return false; + } + eatRegExpIdentifierPart() { + const start = this.index; + const forceUFlag = !this._unicodeMode && this.ecmaVersion >= 2020; + let cp = this.currentCodePoint; + this.advance(); + if (cp === REVERSE_SOLIDUS && + this.eatRegExpUnicodeEscapeSequence(forceUFlag)) { + cp = this._lastIntValue; + } + else if (forceUFlag && + isLeadSurrogate(cp) && + isTrailSurrogate(this.currentCodePoint)) { + cp = combineSurrogatePair(cp, this.currentCodePoint); + this.advance(); + } + if (isIdentifierPartChar(cp)) { + this._lastIntValue = cp; + return true; + } + if (this.index !== start) { + this.rewind(start); + } + return false; + } + eatCControlLetter() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_C)) { + if (this.eatControlLetter()) { + return true; + } + this.rewind(start); + } + return false; + } + eatZero() { + if (this.currentCodePoint === DIGIT_ZERO && + !isDecimalDigit(this.nextCodePoint)) { + this._lastIntValue = 0; + this.advance(); + return true; + } + return false; + } + eatControlEscape() { + if (this.eat(LATIN_SMALL_LETTER_F)) { + this._lastIntValue = FORM_FEED; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_N)) { + this._lastIntValue = LINE_FEED; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_R)) { + this._lastIntValue = CARRIAGE_RETURN; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_T)) { + this._lastIntValue = CHARACTER_TABULATION; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_V)) { + this._lastIntValue = LINE_TABULATION; + return true; + } + return false; + } + eatControlLetter() { + const cp = this.currentCodePoint; + if (isLatinLetter(cp)) { + this.advance(); + this._lastIntValue = cp % 0x20; + return true; + } + return false; + } + eatRegExpUnicodeEscapeSequence(forceUFlag = false) { + const start = this.index; + const uFlag = forceUFlag || this._unicodeMode; + if (this.eat(LATIN_SMALL_LETTER_U)) { + if ((uFlag && this.eatRegExpUnicodeSurrogatePairEscape()) || + this.eatFixedHexDigits(4) || + (uFlag && this.eatRegExpUnicodeCodePointEscape())) { + return true; + } + if (this.strict || uFlag) { + this.raise("Invalid unicode escape"); + } + this.rewind(start); + } + return false; + } + eatRegExpUnicodeSurrogatePairEscape() { + const start = this.index; + if (this.eatFixedHexDigits(4)) { + const lead = this._lastIntValue; + if (isLeadSurrogate(lead) && + this.eat(REVERSE_SOLIDUS) && + this.eat(LATIN_SMALL_LETTER_U) && + this.eatFixedHexDigits(4)) { + const trail = this._lastIntValue; + if (isTrailSurrogate(trail)) { + this._lastIntValue = combineSurrogatePair(lead, trail); + return true; + } + } + this.rewind(start); + } + return false; + } + eatRegExpUnicodeCodePointEscape() { + const start = this.index; + if (this.eat(LEFT_CURLY_BRACKET) && + this.eatHexDigits() && + this.eat(RIGHT_CURLY_BRACKET) && + isValidUnicode(this._lastIntValue)) { + return true; + } + this.rewind(start); + return false; + } + eatIdentityEscape() { + const cp = this.currentCodePoint; + if (this.isValidIdentityEscape(cp)) { + this._lastIntValue = cp; + this.advance(); + return true; + } + return false; + } + isValidIdentityEscape(cp) { + if (cp === -1) { + return false; + } + if (this._unicodeMode) { + return isSyntaxCharacter(cp) || cp === SOLIDUS; + } + if (this.strict) { + return !isIdContinue(cp); + } + if (this._nFlag) { + return !(cp === LATIN_SMALL_LETTER_C || cp === LATIN_SMALL_LETTER_K); + } + return cp !== LATIN_SMALL_LETTER_C; + } + eatDecimalEscape() { + this._lastIntValue = 0; + let cp = this.currentCodePoint; + if (cp >= DIGIT_ONE && cp <= DIGIT_NINE) { + do { + this._lastIntValue = 10 * this._lastIntValue + (cp - DIGIT_ZERO); + this.advance(); + } while ((cp = this.currentCodePoint) >= DIGIT_ZERO && + cp <= DIGIT_NINE); + return true; + } + return false; + } + eatUnicodePropertyValueExpression() { + const start = this.index; + if (this.eatUnicodePropertyName() && this.eat(EQUALS_SIGN)) { + const key = this._lastStrValue; + if (this.eatUnicodePropertyValue()) { + const value = this._lastStrValue; + if (isValidUnicodeProperty(this.ecmaVersion, key, value)) { + return { + key, + value: value || null, + }; + } + this.raise("Invalid property name"); + } + } + this.rewind(start); + if (this.eatLoneUnicodePropertyNameOrValue()) { + const nameOrValue = this._lastStrValue; + if (isValidUnicodeProperty(this.ecmaVersion, "General_Category", nameOrValue)) { + return { + key: "General_Category", + value: nameOrValue || null, + }; + } + if (isValidLoneUnicodeProperty(this.ecmaVersion, nameOrValue)) { + return { + key: nameOrValue, + value: null, + }; + } + if (this._unicodeSetsMode && + isValidLoneUnicodePropertyOfString(this.ecmaVersion, nameOrValue)) { + return { + key: nameOrValue, + value: null, + strings: true, + }; + } + this.raise("Invalid property name"); + } + return null; + } + eatUnicodePropertyName() { + this._lastStrValue = ""; + while (isUnicodePropertyNameCharacter(this.currentCodePoint)) { + this._lastStrValue += String.fromCodePoint(this.currentCodePoint); + this.advance(); + } + return this._lastStrValue !== ""; + } + eatUnicodePropertyValue() { + this._lastStrValue = ""; + while (isUnicodePropertyValueCharacter(this.currentCodePoint)) { + this._lastStrValue += String.fromCodePoint(this.currentCodePoint); + this.advance(); + } + return this._lastStrValue !== ""; + } + eatLoneUnicodePropertyNameOrValue() { + return this.eatUnicodePropertyValue(); + } + eatHexEscapeSequence() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_X)) { + if (this.eatFixedHexDigits(2)) { + return true; + } + if (this._unicodeMode || this.strict) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + eatDecimalDigits() { + const start = this.index; + this._lastIntValue = 0; + while (isDecimalDigit(this.currentCodePoint)) { + this._lastIntValue = + 10 * this._lastIntValue + digitToInt(this.currentCodePoint); + this.advance(); + } + return this.index !== start; + } + eatHexDigits() { + const start = this.index; + this._lastIntValue = 0; + while (isHexDigit(this.currentCodePoint)) { + this._lastIntValue = + 16 * this._lastIntValue + digitToInt(this.currentCodePoint); + this.advance(); + } + return this.index !== start; + } + eatLegacyOctalEscapeSequence() { + if (this.eatOctalDigit()) { + const n1 = this._lastIntValue; + if (this.eatOctalDigit()) { + const n2 = this._lastIntValue; + if (n1 <= 3 && this.eatOctalDigit()) { + this._lastIntValue = n1 * 64 + n2 * 8 + this._lastIntValue; + } + else { + this._lastIntValue = n1 * 8 + n2; + } + } + else { + this._lastIntValue = n1; + } + return true; + } + return false; + } + eatOctalDigit() { + const cp = this.currentCodePoint; + if (isOctalDigit(cp)) { + this.advance(); + this._lastIntValue = cp - DIGIT_ZERO; + return true; + } + this._lastIntValue = 0; + return false; + } + eatFixedHexDigits(length) { + const start = this.index; + this._lastIntValue = 0; + for (let i = 0; i < length; ++i) { + const cp = this.currentCodePoint; + if (!isHexDigit(cp)) { + this.rewind(start); + return false; + } + this._lastIntValue = 16 * this._lastIntValue + digitToInt(cp); + this.advance(); + } + return true; + } + eatModifiers() { + let ate = false; + while (isRegularExpressionModifier(this.currentCodePoint)) { + this.advance(); + ate = true; + } + return ate; + } + parseModifiers(start, end) { + const { ignoreCase, multiline, dotAll } = this.parseFlags(this._reader.source, start, end); + return { ignoreCase, multiline, dotAll }; + } + parseFlags(source, start, end) { + const flags = { + global: false, + ignoreCase: false, + multiline: false, + unicode: false, + sticky: false, + dotAll: false, + hasIndices: false, + unicodeSets: false, + }; + const validFlags = new Set(); + validFlags.add(LATIN_SMALL_LETTER_G); + validFlags.add(LATIN_SMALL_LETTER_I); + validFlags.add(LATIN_SMALL_LETTER_M); + if (this.ecmaVersion >= 2015) { + validFlags.add(LATIN_SMALL_LETTER_U); + validFlags.add(LATIN_SMALL_LETTER_Y); + if (this.ecmaVersion >= 2018) { + validFlags.add(LATIN_SMALL_LETTER_S); + if (this.ecmaVersion >= 2022) { + validFlags.add(LATIN_SMALL_LETTER_D); + if (this.ecmaVersion >= 2024) { + validFlags.add(LATIN_SMALL_LETTER_V); + } + } + } + } + for (let i = start; i < end; ++i) { + const flag = source.charCodeAt(i); + if (validFlags.has(flag)) { + const prop = FLAG_CODEPOINT_TO_PROP[flag]; + if (flags[prop]) { + this.raise(`Duplicated flag '${source[i]}'`, { + index: start, + }); + } + flags[prop] = true; + } + else { + this.raise(`Invalid flag '${source[i]}'`, { index: start }); + } + } + return flags; + } +} + +const DUMMY_PATTERN = {}; +const DUMMY_FLAGS = {}; +const DUMMY_CAPTURING_GROUP = {}; +function isClassSetOperand(node) { + return (node.type === "Character" || + node.type === "CharacterSet" || + node.type === "CharacterClass" || + node.type === "ExpressionCharacterClass" || + node.type === "ClassStringDisjunction"); +} +class RegExpParserState { + constructor(options) { + var _a; + this._node = DUMMY_PATTERN; + this._expressionBufferMap = new Map(); + this._flags = DUMMY_FLAGS; + this._backreferences = []; + this._capturingGroups = []; + this.source = ""; + this.strict = Boolean(options === null || options === void 0 ? void 0 : options.strict); + this.ecmaVersion = (_a = options === null || options === void 0 ? void 0 : options.ecmaVersion) !== null && _a !== void 0 ? _a : latestEcmaVersion; + } + get pattern() { + if (this._node.type !== "Pattern") { + throw new Error("UnknownError"); + } + return this._node; + } + get flags() { + if (this._flags.type !== "Flags") { + throw new Error("UnknownError"); + } + return this._flags; + } + onRegExpFlags(start, end, { global, ignoreCase, multiline, unicode, sticky, dotAll, hasIndices, unicodeSets, }) { + this._flags = { + type: "Flags", + parent: null, + start, + end, + raw: this.source.slice(start, end), + global, + ignoreCase, + multiline, + unicode, + sticky, + dotAll, + hasIndices, + unicodeSets, + }; + } + onPatternEnter(start) { + this._node = { + type: "Pattern", + parent: null, + start, + end: start, + raw: "", + alternatives: [], + }; + this._backreferences.length = 0; + this._capturingGroups.length = 0; + } + onPatternLeave(start, end) { + this._node.end = end; + this._node.raw = this.source.slice(start, end); + for (const reference of this._backreferences) { + const ref = reference.ref; + const groups = typeof ref === "number" + ? [this._capturingGroups[ref - 1]] + : this._capturingGroups.filter((g) => g.name === ref); + if (groups.length === 1) { + const group = groups[0]; + reference.ambiguous = false; + reference.resolved = group; + } + else { + reference.ambiguous = true; + reference.resolved = groups; + } + for (const group of groups) { + group.references.push(reference); + } + } + } + onAlternativeEnter(start) { + const parent = this._node; + if (parent.type !== "Assertion" && + parent.type !== "CapturingGroup" && + parent.type !== "Group" && + parent.type !== "Pattern") { + throw new Error("UnknownError"); + } + this._node = { + type: "Alternative", + parent, + start, + end: start, + raw: "", + elements: [], + }; + parent.alternatives.push(this._node); + } + onAlternativeLeave(start, end) { + const node = this._node; + if (node.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onGroupEnter(start) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const group = { + type: "Group", + parent, + start, + end: start, + raw: "", + modifiers: null, + alternatives: [], + }; + this._node = group; + parent.elements.push(this._node); + } + onGroupLeave(start, end) { + const node = this._node; + if (node.type !== "Group" || node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onModifiersEnter(start) { + const parent = this._node; + if (parent.type !== "Group") { + throw new Error("UnknownError"); + } + this._node = { + type: "Modifiers", + parent, + start, + end: start, + raw: "", + add: null, + remove: null, + }; + parent.modifiers = this._node; + } + onModifiersLeave(start, end) { + const node = this._node; + if (node.type !== "Modifiers" || node.parent.type !== "Group") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onAddModifiers(start, end, { ignoreCase, multiline, dotAll, }) { + const parent = this._node; + if (parent.type !== "Modifiers") { + throw new Error("UnknownError"); + } + parent.add = { + type: "ModifierFlags", + parent, + start, + end, + raw: this.source.slice(start, end), + ignoreCase, + multiline, + dotAll, + }; + } + onRemoveModifiers(start, end, { ignoreCase, multiline, dotAll, }) { + const parent = this._node; + if (parent.type !== "Modifiers") { + throw new Error("UnknownError"); + } + parent.remove = { + type: "ModifierFlags", + parent, + start, + end, + raw: this.source.slice(start, end), + ignoreCase, + multiline, + dotAll, + }; + } + onCapturingGroupEnter(start, name) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + this._node = { + type: "CapturingGroup", + parent, + start, + end: start, + raw: "", + name, + alternatives: [], + references: [], + }; + parent.elements.push(this._node); + this._capturingGroups.push(this._node); + } + onCapturingGroupLeave(start, end) { + const node = this._node; + if (node.type !== "CapturingGroup" || + node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onQuantifier(start, end, min, max, greedy) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const element = parent.elements.pop(); + if (element == null || + element.type === "Quantifier" || + (element.type === "Assertion" && element.kind !== "lookahead")) { + throw new Error("UnknownError"); + } + const node = { + type: "Quantifier", + parent, + start: element.start, + end, + raw: this.source.slice(element.start, end), + min, + max, + greedy, + element, + }; + parent.elements.push(node); + element.parent = node; + } + onLookaroundAssertionEnter(start, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const node = (this._node = { + type: "Assertion", + parent, + start, + end: start, + raw: "", + kind, + negate, + alternatives: [], + }); + parent.elements.push(node); + } + onLookaroundAssertionLeave(start, end) { + const node = this._node; + if (node.type !== "Assertion" || node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onEdgeAssertion(start, end, kind) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Assertion", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + }); + } + onWordBoundaryAssertion(start, end, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Assertion", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + negate, + }); + } + onAnyCharacterSet(start, end, kind) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "CharacterSet", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + }); + } + onEscapeCharacterSet(start, end, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative" && parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "CharacterSet", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + negate, + }); + } + onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings) { + const parent = this._node; + if (parent.type !== "Alternative" && parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + const base = { + type: "CharacterSet", + parent: null, + start, + end, + raw: this.source.slice(start, end), + kind, + strings: null, + key, + }; + if (strings) { + if ((parent.type === "CharacterClass" && !parent.unicodeSets) || + negate || + value !== null) { + throw new Error("UnknownError"); + } + parent.elements.push(Object.assign(Object.assign({}, base), { parent, strings, value, negate })); + } + else { + parent.elements.push(Object.assign(Object.assign({}, base), { parent, strings, value, negate })); + } + } + onCharacter(start, end, value) { + const parent = this._node; + if (parent.type !== "Alternative" && + parent.type !== "CharacterClass" && + parent.type !== "StringAlternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Character", + parent, + start, + end, + raw: this.source.slice(start, end), + value, + }); + } + onBackreference(start, end, ref) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const node = { + type: "Backreference", + parent, + start, + end, + raw: this.source.slice(start, end), + ref, + ambiguous: false, + resolved: DUMMY_CAPTURING_GROUP, + }; + parent.elements.push(node); + this._backreferences.push(node); + } + onCharacterClassEnter(start, negate, unicodeSets) { + const parent = this._node; + const base = { + type: "CharacterClass", + parent, + start, + end: start, + raw: "", + unicodeSets, + negate, + elements: [], + }; + if (parent.type === "Alternative") { + const node = Object.assign(Object.assign({}, base), { parent }); + this._node = node; + parent.elements.push(node); + } + else if (parent.type === "CharacterClass" && + parent.unicodeSets && + unicodeSets) { + const node = Object.assign(Object.assign({}, base), { parent, + unicodeSets }); + this._node = node; + parent.elements.push(node); + } + else { + throw new Error("UnknownError"); + } + } + onCharacterClassLeave(start, end) { + const node = this._node; + if (node.type !== "CharacterClass" || + (node.parent.type !== "Alternative" && + node.parent.type !== "CharacterClass")) { + throw new Error("UnknownError"); + } + const parent = node.parent; + node.end = end; + node.raw = this.source.slice(start, end); + this._node = parent; + const expression = this._expressionBufferMap.get(node); + if (!expression) { + return; + } + if (node.elements.length > 0) { + throw new Error("UnknownError"); + } + this._expressionBufferMap.delete(node); + const newNode = { + type: "ExpressionCharacterClass", + parent, + start: node.start, + end: node.end, + raw: node.raw, + negate: node.negate, + expression, + }; + expression.parent = newNode; + if (node !== parent.elements.pop()) { + throw new Error("UnknownError"); + } + parent.elements.push(newNode); + } + onCharacterClassRange(start, end) { + const parent = this._node; + if (parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + const elements = parent.elements; + const max = elements.pop(); + if (!max || max.type !== "Character") { + throw new Error("UnknownError"); + } + if (!parent.unicodeSets) { + const hyphen = elements.pop(); + if (!hyphen || + hyphen.type !== "Character" || + hyphen.value !== HYPHEN_MINUS) { + throw new Error("UnknownError"); + } + } + const min = elements.pop(); + if (!min || min.type !== "Character") { + throw new Error("UnknownError"); + } + const node = { + type: "CharacterClassRange", + parent, + start, + end, + raw: this.source.slice(start, end), + min, + max, + }; + min.parent = node; + max.parent = node; + elements.push(node); + } + onClassIntersection(start, end) { + var _a; + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + const right = parent.elements.pop(); + const left = (_a = this._expressionBufferMap.get(parent)) !== null && _a !== void 0 ? _a : parent.elements.pop(); + if (!left || + !right || + left.type === "ClassSubtraction" || + (left.type !== "ClassIntersection" && !isClassSetOperand(left)) || + !isClassSetOperand(right)) { + throw new Error("UnknownError"); + } + const node = { + type: "ClassIntersection", + parent: parent, + start, + end, + raw: this.source.slice(start, end), + left, + right, + }; + left.parent = node; + right.parent = node; + this._expressionBufferMap.set(parent, node); + } + onClassSubtraction(start, end) { + var _a; + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + const right = parent.elements.pop(); + const left = (_a = this._expressionBufferMap.get(parent)) !== null && _a !== void 0 ? _a : parent.elements.pop(); + if (!left || + !right || + left.type === "ClassIntersection" || + (left.type !== "ClassSubtraction" && !isClassSetOperand(left)) || + !isClassSetOperand(right)) { + throw new Error("UnknownError"); + } + const node = { + type: "ClassSubtraction", + parent: parent, + start, + end, + raw: this.source.slice(start, end), + left, + right, + }; + left.parent = node; + right.parent = node; + this._expressionBufferMap.set(parent, node); + } + onClassStringDisjunctionEnter(start) { + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + this._node = { + type: "ClassStringDisjunction", + parent, + start, + end: start, + raw: "", + alternatives: [], + }; + parent.elements.push(this._node); + } + onClassStringDisjunctionLeave(start, end) { + const node = this._node; + if (node.type !== "ClassStringDisjunction" || + node.parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onStringAlternativeEnter(start) { + const parent = this._node; + if (parent.type !== "ClassStringDisjunction") { + throw new Error("UnknownError"); + } + this._node = { + type: "StringAlternative", + parent, + start, + end: start, + raw: "", + elements: [], + }; + parent.alternatives.push(this._node); + } + onStringAlternativeLeave(start, end) { + const node = this._node; + if (node.type !== "StringAlternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } +} +class RegExpParser { + constructor(options) { + this._state = new RegExpParserState(options); + this._validator = new RegExpValidator(this._state); + } + parseLiteral(source, start = 0, end = source.length) { + this._state.source = source; + this._validator.validateLiteral(source, start, end); + const pattern = this._state.pattern; + const flags = this._state.flags; + const literal = { + type: "RegExpLiteral", + parent: null, + start, + end, + raw: source, + pattern, + flags, + }; + pattern.parent = literal; + flags.parent = literal; + return literal; + } + parseFlags(source, start = 0, end = source.length) { + this._state.source = source; + this._validator.validateFlags(source, start, end); + return this._state.flags; + } + parsePattern(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + this._state.source = source; + this._validator.validatePattern(source, start, end, uFlagOrFlags); + return this._state.pattern; + } +} + +class RegExpVisitor { + constructor(handlers) { + this._handlers = handlers; + } + visit(node) { + switch (node.type) { + case "Alternative": + this.visitAlternative(node); + break; + case "Assertion": + this.visitAssertion(node); + break; + case "Backreference": + this.visitBackreference(node); + break; + case "CapturingGroup": + this.visitCapturingGroup(node); + break; + case "Character": + this.visitCharacter(node); + break; + case "CharacterClass": + this.visitCharacterClass(node); + break; + case "CharacterClassRange": + this.visitCharacterClassRange(node); + break; + case "CharacterSet": + this.visitCharacterSet(node); + break; + case "ClassIntersection": + this.visitClassIntersection(node); + break; + case "ClassStringDisjunction": + this.visitClassStringDisjunction(node); + break; + case "ClassSubtraction": + this.visitClassSubtraction(node); + break; + case "ExpressionCharacterClass": + this.visitExpressionCharacterClass(node); + break; + case "Flags": + this.visitFlags(node); + break; + case "Group": + this.visitGroup(node); + break; + case "Modifiers": + this.visitModifiers(node); + break; + case "ModifierFlags": + this.visitModifierFlags(node); + break; + case "Pattern": + this.visitPattern(node); + break; + case "Quantifier": + this.visitQuantifier(node); + break; + case "RegExpLiteral": + this.visitRegExpLiteral(node); + break; + case "StringAlternative": + this.visitStringAlternative(node); + break; + default: + throw new Error(`Unknown type: ${node.type}`); + } + } + visitAlternative(node) { + if (this._handlers.onAlternativeEnter) { + this._handlers.onAlternativeEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onAlternativeLeave) { + this._handlers.onAlternativeLeave(node); + } + } + visitAssertion(node) { + if (this._handlers.onAssertionEnter) { + this._handlers.onAssertionEnter(node); + } + if (node.kind === "lookahead" || node.kind === "lookbehind") { + node.alternatives.forEach(this.visit, this); + } + if (this._handlers.onAssertionLeave) { + this._handlers.onAssertionLeave(node); + } + } + visitBackreference(node) { + if (this._handlers.onBackreferenceEnter) { + this._handlers.onBackreferenceEnter(node); + } + if (this._handlers.onBackreferenceLeave) { + this._handlers.onBackreferenceLeave(node); + } + } + visitCapturingGroup(node) { + if (this._handlers.onCapturingGroupEnter) { + this._handlers.onCapturingGroupEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onCapturingGroupLeave) { + this._handlers.onCapturingGroupLeave(node); + } + } + visitCharacter(node) { + if (this._handlers.onCharacterEnter) { + this._handlers.onCharacterEnter(node); + } + if (this._handlers.onCharacterLeave) { + this._handlers.onCharacterLeave(node); + } + } + visitCharacterClass(node) { + if (this._handlers.onCharacterClassEnter) { + this._handlers.onCharacterClassEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onCharacterClassLeave) { + this._handlers.onCharacterClassLeave(node); + } + } + visitCharacterClassRange(node) { + if (this._handlers.onCharacterClassRangeEnter) { + this._handlers.onCharacterClassRangeEnter(node); + } + this.visitCharacter(node.min); + this.visitCharacter(node.max); + if (this._handlers.onCharacterClassRangeLeave) { + this._handlers.onCharacterClassRangeLeave(node); + } + } + visitCharacterSet(node) { + if (this._handlers.onCharacterSetEnter) { + this._handlers.onCharacterSetEnter(node); + } + if (this._handlers.onCharacterSetLeave) { + this._handlers.onCharacterSetLeave(node); + } + } + visitClassIntersection(node) { + if (this._handlers.onClassIntersectionEnter) { + this._handlers.onClassIntersectionEnter(node); + } + this.visit(node.left); + this.visit(node.right); + if (this._handlers.onClassIntersectionLeave) { + this._handlers.onClassIntersectionLeave(node); + } + } + visitClassStringDisjunction(node) { + if (this._handlers.onClassStringDisjunctionEnter) { + this._handlers.onClassStringDisjunctionEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onClassStringDisjunctionLeave) { + this._handlers.onClassStringDisjunctionLeave(node); + } + } + visitClassSubtraction(node) { + if (this._handlers.onClassSubtractionEnter) { + this._handlers.onClassSubtractionEnter(node); + } + this.visit(node.left); + this.visit(node.right); + if (this._handlers.onClassSubtractionLeave) { + this._handlers.onClassSubtractionLeave(node); + } + } + visitExpressionCharacterClass(node) { + if (this._handlers.onExpressionCharacterClassEnter) { + this._handlers.onExpressionCharacterClassEnter(node); + } + this.visit(node.expression); + if (this._handlers.onExpressionCharacterClassLeave) { + this._handlers.onExpressionCharacterClassLeave(node); + } + } + visitFlags(node) { + if (this._handlers.onFlagsEnter) { + this._handlers.onFlagsEnter(node); + } + if (this._handlers.onFlagsLeave) { + this._handlers.onFlagsLeave(node); + } + } + visitGroup(node) { + if (this._handlers.onGroupEnter) { + this._handlers.onGroupEnter(node); + } + if (node.modifiers) { + this.visit(node.modifiers); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onGroupLeave) { + this._handlers.onGroupLeave(node); + } + } + visitModifiers(node) { + if (this._handlers.onModifiersEnter) { + this._handlers.onModifiersEnter(node); + } + if (node.add) { + this.visit(node.add); + } + if (node.remove) { + this.visit(node.remove); + } + if (this._handlers.onModifiersLeave) { + this._handlers.onModifiersLeave(node); + } + } + visitModifierFlags(node) { + if (this._handlers.onModifierFlagsEnter) { + this._handlers.onModifierFlagsEnter(node); + } + if (this._handlers.onModifierFlagsLeave) { + this._handlers.onModifierFlagsLeave(node); + } + } + visitPattern(node) { + if (this._handlers.onPatternEnter) { + this._handlers.onPatternEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onPatternLeave) { + this._handlers.onPatternLeave(node); + } + } + visitQuantifier(node) { + if (this._handlers.onQuantifierEnter) { + this._handlers.onQuantifierEnter(node); + } + this.visit(node.element); + if (this._handlers.onQuantifierLeave) { + this._handlers.onQuantifierLeave(node); + } + } + visitRegExpLiteral(node) { + if (this._handlers.onRegExpLiteralEnter) { + this._handlers.onRegExpLiteralEnter(node); + } + this.visitPattern(node.pattern); + this.visitFlags(node.flags); + if (this._handlers.onRegExpLiteralLeave) { + this._handlers.onRegExpLiteralLeave(node); + } + } + visitStringAlternative(node) { + if (this._handlers.onStringAlternativeEnter) { + this._handlers.onStringAlternativeEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onStringAlternativeLeave) { + this._handlers.onStringAlternativeLeave(node); + } + } +} + +function parseRegExpLiteral(source, options) { + return new RegExpParser(options).parseLiteral(String(source)); +} +function validateRegExpLiteral(source, options) { + new RegExpValidator(options).validateLiteral(source); +} +function visitRegExpAST(node, handlers) { + new RegExpVisitor(handlers).visit(node); +} + +export { ast as AST, RegExpParser, RegExpSyntaxError, RegExpValidator, parseRegExpLiteral, validateRegExpLiteral, visitRegExpAST }; +//# sourceMappingURL=index.mjs.map diff --git a/module/node_modules/@eslint-community/regexpp/index.mjs.map b/module/node_modules/@eslint-community/regexpp/index.mjs.map new file mode 100644 index 000000000..65cf8afa1 --- /dev/null +++ b/module/node_modules/@eslint-community/regexpp/index.mjs.map @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/module/node_modules/@eslint-community/regexpp/package.json b/module/node_modules/@eslint-community/regexpp/package.json new file mode 100644 index 000000000..0ccb8da95 --- /dev/null +++ b/module/node_modules/@eslint-community/regexpp/package.json @@ -0,0 +1,91 @@ +{ + "name": "@eslint-community/regexpp", + "version": "4.12.2", + "description": "Regular expression parser for ECMAScript.", + "keywords": [ + "regexp", + "regular", + "expression", + "parser", + "validator", + "ast", + "abstract", + "syntax", + "tree", + "ecmascript", + "es2015", + "es2016", + "es2017", + "es2018", + "es2019", + "es2020", + "es2021", + "annexB" + ], + "homepage": "https://github.com/eslint-community/regexpp#readme", + "bugs": { + "url": "https://github.com/eslint-community/regexpp/issues" + }, + "repository": { + "type": "git", + "url": "https://github.com/eslint-community/regexpp" + }, + "license": "MIT", + "author": "Toru Nagashima", + "exports": { + ".": { + "types": "./index.d.ts", + "import": "./index.mjs", + "default": "./index.js" + }, + "./package.json": "./package.json" + }, + "main": "index", + "files": [ + "index.*" + ], + "scripts": { + "prebuild": "npm run -s clean", + "build": "run-s build:*", + "build:tsc": "tsc --module es2015", + "build:rollup": "rollup -c", + "build:dts": "npm run -s build:tsc -- --removeComments false && dts-bundle --name @eslint-community/regexpp --main .temp/index.d.ts --out ../index.d.ts && prettier --write index.d.ts", + "clean": "rimraf .temp index.*", + "lint": "eslint . --ext .ts", + "test": "nyc _mocha \"test/*.ts\" --reporter dot --timeout 10000", + "debug": "mocha --require ts-node/register/transpile-only \"test/*.ts\" --reporter dot --timeout 10000", + "update:test": "ts-node scripts/update-fixtures.ts", + "update:unicode": "run-s update:unicode:*", + "update:unicode:ids": "ts-node scripts/update-unicode-ids.ts", + "update:unicode:props": "ts-node scripts/update-unicode-properties.ts", + "update:test262:extract": "ts-node -T scripts/extract-test262.ts", + "preversion": "npm test && npm run -s build", + "postversion": "git push && git push --tags", + "prewatch": "npm run -s clean", + "watch": "_mocha \"test/*.ts\" --require ts-node/register --reporter dot --timeout 10000 --watch-extensions ts --watch --growl" + }, + "dependencies": {}, + "devDependencies": { + "@eslint-community/eslint-plugin-mysticatea": "^15.5.1", + "@rollup/plugin-node-resolve": "^14.1.0", + "@types/eslint": "^8.44.3", + "@types/jsdom": "^16.2.15", + "@types/mocha": "^9.1.1", + "@types/node": "^12.20.55", + "dts-bundle": "^0.7.3", + "eslint": "^8.50.0", + "js-tokens": "^8.0.2", + "jsdom": "^19.0.0", + "mocha": "^9.2.2", + "npm-run-all2": "^6.2.2", + "nyc": "^14.1.1", + "rimraf": "^3.0.2", + "rollup": "^2.79.1", + "rollup-plugin-sourcemaps": "^0.6.3", + "ts-node": "^10.9.1", + "typescript": "~5.0.2" + }, + "engines": { + "node": "^12.0.0 || ^14.0.0 || >=16.0.0" + } +} diff --git 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/module/node_modules/@eslint/config-array/README.md b/module/node_modules/@eslint/config-array/README.md new file mode 100644 index 000000000..1d12bbdb4 --- /dev/null +++ b/module/node_modules/@eslint/config-array/README.md @@ -0,0 +1,368 @@ +# Config Array + +## Description + +A config array is a way of managing configurations that are based on glob pattern matching of filenames. Each config array contains the information needed to determine the correct configuration for any file based on the filename. + +**Note:** This is a generic package that can be used outside of ESLint. It contains no ESLint-specific functionality. + +## Installation + +For Node.js and compatible runtimes: + +```shell +npm install @eslint/config-array +# or +yarn add @eslint/config-array +# or +pnpm install @eslint/config-array +# or +bun add @eslint/config-array +``` + +For Deno: + +```shell +deno add @eslint/config-array +``` + +## Background + +The basic idea is that all configuration, including overrides, can be represented by a single array where each item in the array is a config object. Config objects appearing later in the array override config objects appearing earlier in the array. You can calculate a config for a given file by traversing all config objects in the array to find the ones that match the filename. Matching is done by specifying glob patterns in `files` and `ignores` properties on each config object. Here's an example: + +```js +export default [ + // match all JSON files + { + name: "JSON Handler", + files: ["**/*.json"], + handler: jsonHandler, + }, + + // match only package.json + { + name: "package.json Handler", + files: ["package.json"], + handler: packageJsonHandler, + }, +]; +``` + +In this example, there are two config objects: the first matches all JSON files in all directories and the second matches just `package.json` in the base path directory (all the globs are evaluated as relative to a base path that can be specified). When you retrieve a configuration for `foo.json`, only the first config object matches so `handler` is equal to `jsonHandler`; when you retrieve a configuration for `package.json`, `handler` is equal to `packageJsonHandler` (because both config objects match, the second one wins). + +## Usage + +First, import the `ConfigArray` constructor: + +```js +import { ConfigArray } from "@eslint/config-array"; + +// or using CommonJS + +const { ConfigArray } = require("@eslint/config-array"); +``` + +When you create a new instance of `ConfigArray`, you must pass in two arguments: an array of configs and an options object. The array of configs is most likely read in from a configuration file, so here's a typical example: + +```js +const configFilename = path.resolve(process.cwd(), "my.config.js"); +const { default: rawConfigs } = await import(configFilename); +const configs = new ConfigArray(rawConfigs, { + // the path to match filenames from + basePath: process.cwd(), + + // additional items in each config + schema: mySchema, +}); +``` + +This example reads in an object or array from `my.config.js` and passes it into the `ConfigArray` constructor as the first argument. The second argument is an object specifying the `basePath` (the directory in which `my.config.js` is found) and a `schema` to define the additional properties of a config object beyond `files`, `ignores`, `basePath`, and `name`. + +### Specifying a Schema + +The `schema` option is required for you to use additional properties in config objects. The schema is an object that follows the format of an [`ObjectSchema`](https://npmjs.com/package/@eslint/object-schema). The schema specifies both validation and merge rules that the `ConfigArray` instance needs to combine configs when there are multiple matches. Here's an example: + +```js +const configFilename = path.resolve(process.cwd(), "my.config.js"); +const { default: rawConfigs } = await import(configFilename); + +const mySchema = { + + // define the handler key in configs + handler: { + required: true, + merge(a, b) { + if (!b) return a; + if (!a) return b; + }, + validate(value) { + if (typeof value !== "function") { + throw new TypeError("Function expected."); + } + } + } +}; + +const configs = new ConfigArray(rawConfigs, { + + // the path to match filenames from + basePath: process.cwd(), + + // additional item schemas in each config + schema: mySchema, + + // additional config types supported (default: []) + extraConfigTypes: ["array", "function"]; +}); +``` + +### Config Arrays + +Config arrays can be multidimensional, so it's possible for a config array to contain another config array when `extraConfigTypes` contains `"array"`, such as: + +```js +export default [ + // JS config + { + files: ["**/*.js"], + handler: jsHandler, + }, + + // JSON configs + [ + // match all JSON files + { + name: "JSON Handler", + files: ["**/*.json"], + handler: jsonHandler, + }, + + // match only package.json + { + name: "package.json Handler", + files: ["package.json"], + handler: packageJsonHandler, + }, + ], + + // filename must match function + { + files: [filePath => filePath.endsWith(".md")], + handler: markdownHandler, + }, + + // filename must match all patterns in subarray + { + files: [["*.test.*", "*.js"]], + handler: jsTestHandler, + }, + + // filename must not match patterns beginning with ! + { + name: "Non-JS files", + files: ["!*.js"], + settings: { + js: false, + }, + }, + + // specific settings for files inside `src` directory + { + name: "Source files", + basePath: "src", + files: ["**/*"], + settings: { + source: true, + }, + }, +]; +``` + +In this example, the array contains both config objects and a config array. When a config array is normalized (see details below), it is flattened so only config objects remain. However, the order of evaluation remains the same. + +If the `files` array contains a function, then that function is called with the path of the file as it was passed in. The function is expected to return `true` if there is a match and `false` if not. (The `ignores` array can also contain functions.) + +If the `files` array contains an item that is an array of strings and functions, then all patterns must match in order for the config to match. In the preceding examples, both `*.test.*` and `*.js` must match in order for the config object to be used. + +If a pattern in the files array begins with `!` then it excludes that pattern. In the preceding example, any filename that doesn't end with `.js` will automatically get a `settings.js` property set to `false`. + +You can also specify an `ignores` key that will force files matching those patterns to not be included. If the `ignores` key is in a config object without any other keys, then those ignores will always be applied; otherwise those ignores act as exclusions. Here's an example: + +```js +export default [ + + // Always ignored + { + ignores: ["**/.git/**", "**/node_modules/**"] + }, + + // .eslintrc.js file is ignored only when .js file matches + { + files: ["**/*.js"], + ignores: [".eslintrc.js"] + handler: jsHandler + } +]; +``` + +You can use negated patterns in `ignores` to exclude a file that was already ignored, such as: + +```js +export default [ + // Ignore all JSON files except tsconfig.json + { + files: ["**/*"], + ignores: ["**/*.json", "!tsconfig.json"], + }, +]; +``` + +### Config Functions + +Config arrays can also include config functions when `extraConfigTypes` contains `"function"`. A config function accepts a single parameter, `context` (defined by you), and must return either a config object or a config array (it cannot return another function). Config functions allow end users to execute code in the creation of appropriate config objects. Here's an example: + +```js +export default [ + // JS config + { + files: ["**/*.js"], + handler: jsHandler, + }, + + // JSON configs + function (context) { + return [ + // match all JSON files + { + name: context.name + " JSON Handler", + files: ["**/*.json"], + handler: jsonHandler, + }, + + // match only package.json + { + name: context.name + " package.json Handler", + files: ["package.json"], + handler: packageJsonHandler, + }, + ]; + }, +]; +``` + +When a config array is normalized, each function is executed and replaced in the config array with the return value. + +**Note:** Config functions can also be async. + +### Normalizing Config Arrays + +Once a config array has been created and loaded with all of the raw config data, it must be normalized before it can be used. The normalization process goes through and flattens the config array as well as executing all config functions to get their final values. + +To normalize a config array, call the `normalize()` method and pass in a context object: + +```js +await configs.normalize({ + name: "MyApp", +}); +``` + +The `normalize()` method returns a promise, so be sure to use the `await` operator. The config array instance is normalized in-place, so you don't need to create a new variable. + +If you want to disallow async config functions, you can call `normalizeSync()` instead. This method is completely synchronous and does not require using the `await` operator as it does not return a promise: + +```js +await configs.normalizeSync({ + name: "MyApp", +}); +``` + +**Important:** Once a `ConfigArray` is normalized, it cannot be changed further. You can, however, create a new `ConfigArray` and pass in the normalized instance to create an unnormalized copy. + +### Getting Config for a File + +To get the config for a file, use the `getConfig()` method on a normalized config array and pass in the filename to get a config for: + +```js +// pass in filename +const fileConfig = configs.getConfig( + path.resolve(process.cwd(), "package.json"), +); +``` + +The config array always returns an object, even if there are no configs matching the given filename. You can then inspect the returned config object to determine how to proceed. + +A few things to keep in mind: + +- If a filename is not an absolute path, it will be resolved relative to the base path directory. +- The returned config object never has `files`, `ignores`, `basePath`, or `name` properties; the only properties on the object will be the other configuration options specified. +- The config array caches configs, so subsequent calls to `getConfig()` with the same filename will return in a fast lookup rather than another calculation. +- A config will only be generated if the filename matches an entry in a `files` key. A config will not be generated without matching a `files` key (configs without a `files` key are only applied when another config with a `files` key is applied; configs without `files` are never applied on their own). Any config with a `files` key entry that is `*` or ends with `/**` or `/*` will only be applied if another entry in the same `files` key matches or another config matches. + +## Determining Ignored Paths + +You can determine if a file is ignored by using the `isFileIgnored()` method and passing in the path of any file, as in this example: + +```js +const ignored = configs.isFileIgnored("/foo/bar/baz.txt"); +``` + +A file is considered ignored if any of the following is true: + +- **It's parent directory is ignored.** For example, if `foo` is in `ignores`, then `foo/a.js` is considered ignored. +- **It has an ancestor directory that is ignored.** For example, if `foo` is in `ignores`, then `foo/baz/a.js` is considered ignored. +- **It matches an ignored file pattern.** For example, if `**/a.js` is in `ignores`, then `foo/a.js` and `foo/baz/a.js` are considered ignored. +- **If it matches an entry in `files` and also in `ignores`.** For example, if `**/*.js` is in `files` and `**/a.js` is in `ignores`, then `foo/a.js` and `foo/baz/a.js` are considered ignored. +- **The file is outside the `basePath`.** If the `basePath` is `/usr/me`, then `/foo/a.js` is considered ignored. + +For directories, use the `isDirectoryIgnored()` method and pass in the path of any directory, as in this example: + +```js +const ignored = configs.isDirectoryIgnored("/foo/bar/"); +``` + +A directory is considered ignored if any of the following is true: + +- **It's parent directory is ignored.** For example, if `foo` is in `ignores`, then `foo/baz` is considered ignored. +- **It has an ancestor directory that is ignored.** For example, if `foo` is in `ignores`, then `foo/bar/baz/a.js` is considered ignored. +- **It matches and ignored file pattern.** For example, if `**/a.js` is in `ignores`, then `foo/a.js` and `foo/baz/a.js` are considered ignored. +- **If it matches an entry in `files` and also in `ignores`.** For example, if `**/*.js` is in `files` and `**/a.js` is in `ignores`, then `foo/a.js` and `foo/baz/a.js` are considered ignored. +- **The file is outside the `basePath`.** If the `basePath` is `/usr/me`, then `/foo/a.js` is considered ignored. + +**Important:** A pattern such as `foo/**` means that `foo` and `foo/` are _not_ ignored whereas `foo/bar` is ignored. If you want to ignore `foo` and all of its subdirectories, use the pattern `foo` or `foo/` in `ignores`. + +## Caching Mechanisms + +Each `ConfigArray` aggressively caches configuration objects to avoid unnecessary work. This caching occurs in two ways: + +1. **File-based Caching.** For each filename that is passed into a method, the resulting config is cached against that filename so you're always guaranteed to get the same object returned from `getConfig()` whenever you pass the same filename in. +2. **Index-based Caching.** Whenever a config is calculated, the config elements that were used to create the config are also cached. So if a given filename matches elements 1, 5, and 7, the resulting config is cached with a key of `1,5,7`. That way, if another file is passed that matches the same config elements, the result is already known and doesn't have to be recalculated. That means two files that match all the same elements will return the same config from `getConfig()`. + +## Acknowledgements + +The design of this project was influenced by feedback on the ESLint RFC, and incorporates ideas from: + +- Teddy Katz (@not-an-aardvark) +- Toru Nagashima (@mysticatea) +- Kai Cataldo (@kaicataldo) + +## License + +Apache 2.0 + + + + +## Sponsors + +The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. [Become a Sponsor](https://eslint.org/donate) +to get your logo on our READMEs and [website](https://eslint.org/sponsors). + +

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+ diff --git a/module/node_modules/@eslint/config-array/dist/cjs/index.cjs b/module/node_modules/@eslint/config-array/dist/cjs/index.cjs new file mode 100644 index 000000000..9a18e655e --- /dev/null +++ b/module/node_modules/@eslint/config-array/dist/cjs/index.cjs @@ -0,0 +1,1539 @@ +'use strict'; + +var posixPath = require('./std__path/posix.cjs'); +var windowsPath = require('./std__path/windows.cjs'); +var minimatch = require('minimatch'); +var createDebug = require('debug'); +var objectSchema = require('@eslint/object-schema'); + +function _interopNamespaceDefault(e) { + var n = Object.create(null); + if (e) { + Object.keys(e).forEach(function (k) { + if (k !== 'default') { + var d = Object.getOwnPropertyDescriptor(e, k); + Object.defineProperty(n, k, d.get ? d : { + enumerable: true, + get: function () { return e[k]; } + }); + } + }); + } + n.default = e; + return Object.freeze(n); +} + +var posixPath__namespace = /*#__PURE__*/_interopNamespaceDefault(posixPath); +var windowsPath__namespace = /*#__PURE__*/_interopNamespaceDefault(windowsPath); + +/** + * @fileoverview ConfigSchema + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @import * as $eslintobjectschema from "@eslint/object-schema"; */ +/** @typedef {$eslintobjectschema.PropertyDefinition} PropertyDefinition */ +/** @typedef {$eslintobjectschema.ObjectDefinition} ObjectDefinition */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * A strategy that does nothing. + * @type {PropertyDefinition} + */ +const NOOP_STRATEGY = { + required: false, + merge() { + return undefined; + }, + validate() {}, +}; + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The base schema that every ConfigArray uses. + * @type {ObjectDefinition} + */ +const baseSchema = Object.freeze({ + name: { + required: false, + merge() { + return undefined; + }, + validate(value) { + if (typeof value !== "string") { + throw new TypeError("Property must be a string."); + } + }, + }, + basePath: NOOP_STRATEGY, + files: NOOP_STRATEGY, + ignores: NOOP_STRATEGY, +}); + +/** + * @fileoverview ConfigSchema + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Asserts that a given value is an array. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array. + */ +function assertIsArray(value) { + if (!Array.isArray(value)) { + throw new TypeError("Expected value to be an array."); + } +} + +/** + * Asserts that a given value is an array containing only strings and functions. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array of strings and functions. + */ +function assertIsArrayOfStringsAndFunctions(value) { + assertIsArray(value); + + if ( + value.some( + item => typeof item !== "string" && typeof item !== "function", + ) + ) { + throw new TypeError( + "Expected array to only contain strings and functions.", + ); + } +} + +/** + * Asserts that a given value is a non-empty array. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array or an empty array. + */ +function assertIsNonEmptyArray(value) { + if (!Array.isArray(value) || value.length === 0) { + throw new TypeError("Expected value to be a non-empty array."); + } +} + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The schema for `files` and `ignores` that every ConfigArray uses. + * @type {ObjectDefinition} + */ +const filesAndIgnoresSchema = Object.freeze({ + basePath: { + required: false, + merge() { + return undefined; + }, + validate(value) { + if (typeof value !== "string") { + throw new TypeError("Expected value to be a string."); + } + }, + }, + files: { + required: false, + merge() { + return undefined; + }, + validate(value) { + // first check if it's an array + assertIsNonEmptyArray(value); + + // then check each member + value.forEach(item => { + if (Array.isArray(item)) { + assertIsArrayOfStringsAndFunctions(item); + } else if ( + typeof item !== "string" && + typeof item !== "function" + ) { + throw new TypeError( + "Items must be a string, a function, or an array of strings and functions.", + ); + } + }); + }, + }, + ignores: { + required: false, + merge() { + return undefined; + }, + validate: assertIsArrayOfStringsAndFunctions, + }, +}); + +/** + * @fileoverview ConfigArray + * @author Nicholas C. Zakas + */ + + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.ConfigObject} ConfigObject */ +/** @import * as $minimatch from "minimatch"; */ +/** @typedef {$minimatch.IMinimatchStatic} IMinimatchStatic */ +/** @typedef {$minimatch.IMinimatch} IMinimatch */ +/** @import * as PathImpl from "@jsr/std__path" */ + +/* + * This is a bit of a hack to make TypeScript happy with the Rollup-created + * CommonJS file. Rollup doesn't do object destructuring for imported files + * and instead imports the default via `require()`. This messes up type checking + * for `ObjectSchema`. To work around that, we just import the type manually + * and give it a different name to use in the JSDoc comments. + */ +/** @typedef {ObjectSchema} ObjectSchemaInstance */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const Minimatch = minimatch.Minimatch; +const debug = createDebug("@eslint/config-array"); + +/** + * A cache for minimatch instances. + * @type {Map} + */ +const minimatchCache = new Map(); + +/** + * A cache for negated minimatch instances. + * @type {Map} + */ +const negatedMinimatchCache = new Map(); + +/** + * Options to use with minimatch. + * @type {Object} + */ +const MINIMATCH_OPTIONS = { + // matchBase: true, + dot: true, + allowWindowsEscape: true, +}; + +/** + * The types of config objects that are supported. + * @type {Set} + */ +const CONFIG_TYPES = new Set(["array", "function"]); + +/** + * Fields that are considered metadata and not part of the config object. + * @type {Set} + */ +const META_FIELDS = new Set(["name", "basePath"]); + +/** + * A schema containing just files and ignores for early validation. + * @type {ObjectSchemaInstance} + */ +const FILES_AND_IGNORES_SCHEMA = new objectSchema.ObjectSchema(filesAndIgnoresSchema); + +// Precomputed constant objects returned by `ConfigArray.getConfigWithStatus`. + +const CONFIG_WITH_STATUS_EXTERNAL = Object.freeze({ status: "external" }); +const CONFIG_WITH_STATUS_IGNORED = Object.freeze({ status: "ignored" }); +const CONFIG_WITH_STATUS_UNCONFIGURED = Object.freeze({ + status: "unconfigured", +}); + +// Match two leading dots followed by a slash or the end of input. +const EXTERNAL_PATH_REGEX = /^\.\.(?:\/|$)/u; + +/** + * Wrapper error for config validation errors that adds a name to the front of the + * error message. + */ +class ConfigError extends Error { + /** + * Creates a new instance. + * @param {string} name The config object name causing the error. + * @param {number} index The index of the config object in the array. + * @param {Object} options The options for the error. + * @param {Error} [options.cause] The error that caused this error. + * @param {string} [options.message] The message to use for the error. + */ + constructor(name, index, { cause, message }) { + const finalMessage = message || cause.message; + + super(`Config ${name}: ${finalMessage}`, { cause }); + + // copy over custom properties that aren't represented + if (cause) { + for (const key of Object.keys(cause)) { + if (!(key in this)) { + this[key] = cause[key]; + } + } + } + + /** + * The name of the error. + * @type {string} + * @readonly + */ + this.name = "ConfigError"; + + /** + * The index of the config object in the array. + * @type {number} + * @readonly + */ + this.index = index; + } +} + +/** + * Gets the name of a config object. + * @param {ConfigObject} config The config object to get the name of. + * @returns {string} The name of the config object. + */ +function getConfigName(config) { + if (config && typeof config.name === "string" && config.name) { + return `"${config.name}"`; + } + + return "(unnamed)"; +} + +/** + * Rethrows a config error with additional information about the config object. + * @param {object} config The config object to get the name of. + * @param {number} index The index of the config object in the array. + * @param {Error} error The error to rethrow. + * @throws {ConfigError} When the error is rethrown for a config. + */ +function rethrowConfigError(config, index, error) { + const configName = getConfigName(config); + throw new ConfigError(configName, index, { cause: error }); +} + +/** + * Shorthand for checking if a value is a string. + * @param {any} value The value to check. + * @returns {boolean} True if a string, false if not. + */ +function isString(value) { + return typeof value === "string"; +} + +/** + * Creates a function that asserts that the config is valid + * during normalization. This checks that the config is not nullish + * and that files and ignores keys of a config object are valid as per base schema. + * @param {Object} config The config object to check. + * @param {number} index The index of the config object in the array. + * @returns {void} + * @throws {ConfigError} If the files and ignores keys of a config object are not valid. + */ +function assertValidBaseConfig(config, index) { + if (config === null) { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected null config.", + }); + } + + if (config === undefined) { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected undefined config.", + }); + } + + if (typeof config !== "object") { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected non-object config.", + }); + } + + const validateConfig = {}; + + if ("basePath" in config) { + validateConfig.basePath = config.basePath; + } + + if ("files" in config) { + validateConfig.files = config.files; + } + + if ("ignores" in config) { + validateConfig.ignores = config.ignores; + } + + try { + FILES_AND_IGNORES_SCHEMA.validate(validateConfig); + } catch (validationError) { + rethrowConfigError(config, index, validationError); + } +} + +/** + * Wrapper around minimatch that caches minimatch patterns for + * faster matching speed over multiple file path evaluations. + * @param {string} filepath The file path to match. + * @param {string} pattern The glob pattern to match against. + * @param {object} options The minimatch options to use. + * @returns + */ +function doMatch(filepath, pattern, options = {}) { + let cache = minimatchCache; + + if (options.flipNegate) { + cache = negatedMinimatchCache; + } + + let matcher = cache.get(pattern); + + if (!matcher) { + matcher = new Minimatch( + pattern, + Object.assign({}, MINIMATCH_OPTIONS, options), + ); + cache.set(pattern, matcher); + } + + return matcher.match(filepath); +} + +/** + * Normalizes a pattern by removing the leading "./" if present. + * @param {string} pattern The pattern to normalize. + * @returns {string} The normalized pattern. + */ +function normalizePattern(pattern) { + if (isString(pattern)) { + if (pattern.startsWith("./")) { + return pattern.slice(2); + } + + if (pattern.startsWith("!./")) { + return `!${pattern.slice(3)}`; + } + } + + return pattern; +} + +/** + * Checks if a given pattern requires normalization. + * @param {any} pattern The pattern to check. + * @returns {boolean} True if the pattern needs normalization, false otherwise. + * + */ +function needsPatternNormalization(pattern) { + return ( + isString(pattern) && + (pattern.startsWith("./") || pattern.startsWith("!./")) + ); +} + +/** + * Normalizes `files` and `ignores` patterns in a config by removing "./" prefixes. + * @param {Object} config The config object to normalize patterns in. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base path is relative. + * @param {PathImpl} path Path-handling implementation. + * @returns {Object} The normalized config object. + */ +function normalizeConfigPatterns(config, namespacedBasePath, path) { + if (!config) { + return config; + } + + const hasBasePath = typeof config.basePath === "string"; + + let needsNormalization = false; + + if (hasBasePath) { + needsNormalization = true; + } + + if (!needsNormalization && Array.isArray(config.files)) { + needsNormalization = config.files.some(pattern => { + if (Array.isArray(pattern)) { + return pattern.some(needsPatternNormalization); + } + return needsPatternNormalization(pattern); + }); + } + + if (!needsNormalization && Array.isArray(config.ignores)) { + needsNormalization = config.ignores.some(needsPatternNormalization); + } + + if (!needsNormalization) { + return config; + } + + const newConfig = { ...config }; + + if (hasBasePath) { + if (path.isAbsolute(config.basePath)) { + newConfig.basePath = path.toNamespacedPath(config.basePath); + } else { + newConfig.basePath = path.resolve( + namespacedBasePath, + config.basePath, + ); + } + } + + if (Array.isArray(newConfig.files)) { + newConfig.files = newConfig.files.map(pattern => { + if (Array.isArray(pattern)) { + return pattern.map(normalizePattern); + } + return normalizePattern(pattern); + }); + } + + if (Array.isArray(newConfig.ignores)) { + newConfig.ignores = newConfig.ignores.map(normalizePattern); + } + + return newConfig; +} + +/** + * Normalizes a `ConfigArray` by flattening it and executing any functions + * that are found inside. + * @param {Array} items The items in a `ConfigArray`. + * @param {Object} context The context object to pass into any function + * found. + * @param {Array} extraConfigTypes The config types to check. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base paths are relative. + * @param {PathImpl} path Path-handling implementation. + * @returns {Promise} A flattened array containing only config objects. + * @throws {TypeError} When a config function returns a function. + */ +async function normalize( + items, + context, + extraConfigTypes, + namespacedBasePath, + path, +) { + const allowFunctions = extraConfigTypes.includes("function"); + const allowArrays = extraConfigTypes.includes("array"); + + async function* flatTraverse(array) { + for (let item of array) { + if (typeof item === "function") { + if (!allowFunctions) { + throw new TypeError("Unexpected function."); + } + + item = item(context); + if (item.then) { + item = await item; + } + } + + if (Array.isArray(item)) { + if (!allowArrays) { + throw new TypeError("Unexpected array."); + } + yield* flatTraverse(item); + } else if (typeof item === "function") { + throw new TypeError( + "A config function can only return an object or array.", + ); + } else { + yield item; + } + } + } + + /* + * Async iterables cannot be used with the spread operator, so we need to manually + * create the array to return. + */ + const asyncIterable = await flatTraverse(items); + const configs = []; + + for await (const config of asyncIterable) { + configs.push(normalizeConfigPatterns(config, namespacedBasePath, path)); + } + + return configs; +} + +/** + * Normalizes a `ConfigArray` by flattening it and executing any functions + * that are found inside. + * @param {Array} items The items in a `ConfigArray`. + * @param {Object} context The context object to pass into any function + * found. + * @param {Array} extraConfigTypes The config types to check. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base paths are relative. + * @param {PathImpl} path Path-handling implementation + * @returns {Array} A flattened array containing only config objects. + * @throws {TypeError} When a config function returns a function. + */ +function normalizeSync( + items, + context, + extraConfigTypes, + namespacedBasePath, + path, +) { + const allowFunctions = extraConfigTypes.includes("function"); + const allowArrays = extraConfigTypes.includes("array"); + + function* flatTraverse(array) { + for (let item of array) { + if (typeof item === "function") { + if (!allowFunctions) { + throw new TypeError("Unexpected function."); + } + + item = item(context); + if (item.then) { + throw new TypeError( + "Async config functions are not supported.", + ); + } + } + + if (Array.isArray(item)) { + if (!allowArrays) { + throw new TypeError("Unexpected array."); + } + + yield* flatTraverse(item); + } else if (typeof item === "function") { + throw new TypeError( + "A config function can only return an object or array.", + ); + } else { + yield item; + } + } + } + + const configs = []; + + for (const config of flatTraverse(items)) { + configs.push(normalizeConfigPatterns(config, namespacedBasePath, path)); + } + + return configs; +} + +/** + * Converts a given path to a relative path with all separator characters replaced by forward slashes (`"/"`). + * @param {string} fileOrDirPath The unprocessed path to convert. + * @param {string} namespacedBasePath The namespaced base path of the directory to which the calculated path shall be relative. + * @param {PathImpl} path Path-handling implementations. + * @returns {string} A relative path with all separator characters replaced by forward slashes. + */ +function toRelativePath(fileOrDirPath, namespacedBasePath, path) { + const fullPath = path.resolve(namespacedBasePath, fileOrDirPath); + const namespacedFullPath = path.toNamespacedPath(fullPath); + const relativePath = path.relative(namespacedBasePath, namespacedFullPath); + return relativePath.replaceAll(path.SEPARATOR, "/"); +} + +/** + * Determines if a given file path should be ignored based on the given + * matcher. + * @param {Array<{ basePath?: string, ignores: Array boolean)>}>} configs Configuration objects containing `ignores`. + * @param {string} filePath The unprocessed file path to check. + * @param {string} relativeFilePath The path of the file to check relative to the base path, + * using forward slash (`"/"`) as a separator. + * @param {Object} [basePathData] Additional data needed to recalculate paths for configuration objects + * that have `basePath` property. + * @param {string} [basePathData.basePath] Namespaced path to witch `relativeFilePath` is relative. + * @param {PathImpl} [basePathData.path] Path-handling implementation. + * @returns {boolean} True if the path should be ignored and false if not. + */ +function shouldIgnorePath( + configs, + filePath, + relativeFilePath, + { basePath, path } = {}, +) { + let shouldIgnore = false; + + for (const config of configs) { + let relativeFilePathToCheck = relativeFilePath; + if (config.basePath) { + relativeFilePathToCheck = toRelativePath( + path.resolve(basePath, relativeFilePath), + config.basePath, + path, + ); + + if ( + relativeFilePathToCheck === "" || + EXTERNAL_PATH_REGEX.test(relativeFilePathToCheck) + ) { + continue; + } + + if (relativeFilePath.endsWith("/")) { + relativeFilePathToCheck += "/"; + } + } + shouldIgnore = config.ignores.reduce((ignored, matcher) => { + if (!ignored) { + if (typeof matcher === "function") { + return matcher(filePath); + } + + // don't check negated patterns because we're not ignored yet + if (!matcher.startsWith("!")) { + return doMatch(relativeFilePathToCheck, matcher); + } + + // otherwise we're still not ignored + return false; + } + + // only need to check negated patterns because we're ignored + if (typeof matcher === "string" && matcher.startsWith("!")) { + return !doMatch(relativeFilePathToCheck, matcher, { + flipNegate: true, + }); + } + + return ignored; + }, shouldIgnore); + } + + return shouldIgnore; +} + +/** + * Determines if a given file path is matched by a config. If the config + * has no `files` field, then it matches; otherwise, if a `files` field + * is present then we match the globs in `files` and exclude any globs in + * `ignores`. + * @param {string} filePath The unprocessed file path to check. + * @param {string} relativeFilePath The path of the file to check relative to the base path, + * using forward slash (`"/"`) as a separator. + * @param {Object} config The config object to check. + * @returns {boolean} True if the file path is matched by the config, + * false if not. + */ +function pathMatches(filePath, relativeFilePath, config) { + // match both strings and functions + function match(pattern) { + if (isString(pattern)) { + return doMatch(relativeFilePath, pattern); + } + + if (typeof pattern === "function") { + return pattern(filePath); + } + + throw new TypeError(`Unexpected matcher type ${pattern}.`); + } + + // check for all matches to config.files + let filePathMatchesPattern = config.files.some(pattern => { + if (Array.isArray(pattern)) { + return pattern.every(match); + } + + return match(pattern); + }); + + /* + * If the file path matches the config.files patterns, then check to see + * if there are any files to ignore. + */ + if (filePathMatchesPattern && config.ignores) { + /* + * Pass config object without `basePath`, because `relativeFilePath` is already + * calculated as relative to it. + */ + filePathMatchesPattern = !shouldIgnorePath( + [{ ignores: config.ignores }], + filePath, + relativeFilePath, + ); + } + + return filePathMatchesPattern; +} + +/** + * Ensures that a ConfigArray has been normalized. + * @param {ConfigArray} configArray The ConfigArray to check. + * @returns {void} + * @throws {Error} When the `ConfigArray` is not normalized. + */ +function assertNormalized(configArray) { + // TODO: Throw more verbose error + if (!configArray.isNormalized()) { + throw new Error( + "ConfigArray must be normalized to perform this operation.", + ); + } +} + +/** + * Ensures that config types are valid. + * @param {Array} extraConfigTypes The config types to check. + * @returns {void} + * @throws {TypeError} When the config types array is invalid. + */ +function assertExtraConfigTypes(extraConfigTypes) { + if (extraConfigTypes.length > 2) { + throw new TypeError( + "configTypes must be an array with at most two items.", + ); + } + + for (const configType of extraConfigTypes) { + if (!CONFIG_TYPES.has(configType)) { + throw new TypeError( + `Unexpected config type "${configType}" found. Expected one of: "object", "array", "function".`, + ); + } + } +} + +/** + * Returns path-handling implementations for Unix or Windows, depending on a given absolute path. + * @param {string} fileOrDirPath The absolute path to check. + * @returns {PathImpl} Path-handling implementations for the specified path. + * @throws {Error} An error is thrown if the specified argument is not an absolute path. + */ +function getPathImpl(fileOrDirPath) { + // Posix absolute paths always start with a slash. + if (fileOrDirPath.startsWith("/")) { + return posixPath__namespace; + } + + // Windows absolute paths start with a letter followed by a colon and at least one backslash, + // or with two backslashes in the case of UNC paths. + // Forward slashed are automatically normalized to backslashes. + if (/^(?:[A-Za-z]:[/\\]|[/\\]{2})/u.test(fileOrDirPath)) { + return windowsPath__namespace; + } + + throw new Error( + `Expected an absolute path but received "${fileOrDirPath}"`, + ); +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +const ConfigArraySymbol = { + isNormalized: Symbol("isNormalized"), + configCache: Symbol("configCache"), + schema: Symbol("schema"), + finalizeConfig: Symbol("finalizeConfig"), + preprocessConfig: Symbol("preprocessConfig"), +}; + +// used to store calculate data for faster lookup +const dataCache = new WeakMap(); + +/** + * Represents an array of config objects and provides method for working with + * those config objects. + */ +class ConfigArray extends Array { + /** + * The namespaced path of the config file directory. + * @type {string} + */ + #namespacedBasePath; + + /** + * Path-handling implementations. + * @type {PathImpl} + */ + #path; + + /** + * Creates a new instance of ConfigArray. + * @param {Iterable|Function|Object} configs An iterable yielding config + * objects, or a config function, or a config object. + * @param {Object} options The options for the ConfigArray. + * @param {string} [options.basePath="/"] The absolute path of the config file directory. + * Defaults to `"/"`. + * @param {boolean} [options.normalized=false] Flag indicating if the + * configs have already been normalized. + * @param {Object} [options.schema] The additional schema + * definitions to use for the ConfigArray schema. + * @param {Array} [options.extraConfigTypes] List of config types supported. + * @throws {TypeError} When the `basePath` is not a non-empty string, + */ + constructor( + configs, + { + basePath = "/", + normalized = false, + schema: customSchema, + extraConfigTypes = [], + } = {}, + ) { + super(); + + /** + * Tracks if the array has been normalized. + * @property isNormalized + * @type {boolean} + * @private + */ + this[ConfigArraySymbol.isNormalized] = normalized; + + /** + * The schema used for validating and merging configs. + * @property schema + * @type {ObjectSchemaInstance} + * @private + */ + this[ConfigArraySymbol.schema] = new objectSchema.ObjectSchema( + Object.assign({}, customSchema, baseSchema), + ); + + if (!isString(basePath) || !basePath) { + throw new TypeError("basePath must be a non-empty string"); + } + + /** + * The path of the config file that this array was loaded from. + * This is used to calculate filename matches. + * @property basePath + * @type {string} + */ + this.basePath = basePath; + + assertExtraConfigTypes(extraConfigTypes); + + /** + * The supported config types. + * @type {Array} + */ + this.extraConfigTypes = [...extraConfigTypes]; + Object.freeze(this.extraConfigTypes); + + /** + * A cache to store calculated configs for faster repeat lookup. + * @property configCache + * @type {Map} + * @private + */ + this[ConfigArraySymbol.configCache] = new Map(); + + // init cache + dataCache.set(this, { + explicitMatches: new Map(), + directoryMatches: new Map(), + files: undefined, + ignores: undefined, + }); + + // load the configs into this array + if (Array.isArray(configs)) { + this.push(...configs); + } else { + this.push(configs); + } + + // select path-handling implementations depending on the base path + this.#path = getPathImpl(basePath); + + // On Windows, `path.relative()` returns an absolute path when given two paths on different drives. + // The namespaced base path is useful to make sure that calculated relative paths are always relative. + // On Unix, it is identical to the base path. + this.#namespacedBasePath = this.#path.toNamespacedPath(basePath); + } + + /** + * Prevent normal array methods from creating a new `ConfigArray` instance. + * This is to ensure that methods such as `slice()` won't try to create a + * new instance of `ConfigArray` behind the scenes as doing so may throw + * an error due to the different constructor signature. + * @type {ArrayConstructor} The `Array` constructor. + */ + static get [Symbol.species]() { + return Array; + } + + /** + * Returns the `files` globs from every config object in the array. + * This can be used to determine which files will be matched by a + * config array or to use as a glob pattern when no patterns are provided + * for a command line interface. + * @returns {Array} An array of matchers. + */ + get files() { + assertNormalized(this); + + // if this data has been cached, retrieve it + const cache = dataCache.get(this); + + if (cache.files) { + return cache.files; + } + + // otherwise calculate it + + const result = []; + + for (const config of this) { + if (config.files) { + config.files.forEach(filePattern => { + result.push(filePattern); + }); + } + } + + // store result + cache.files = result; + dataCache.set(this, cache); + + return result; + } + + /** + * Returns ignore matchers that should always be ignored regardless of + * the matching `files` fields in any configs. This is necessary to mimic + * the behavior of things like .gitignore and .eslintignore, allowing a + * globbing operation to be faster. + * @returns {Object[]} An array of config objects representing global ignores. + */ + get ignores() { + assertNormalized(this); + + // if this data has been cached, retrieve it + const cache = dataCache.get(this); + + if (cache.ignores) { + return cache.ignores; + } + + // otherwise calculate it + + const result = []; + + for (const config of this) { + /* + * We only count ignores if there are no other keys in the object. + * In this case, it acts list a globally ignored pattern. If there + * are additional keys, then ignores act like exclusions. + */ + if ( + config.ignores && + Object.keys(config).filter(key => !META_FIELDS.has(key)) + .length === 1 + ) { + result.push(config); + } + } + + // store result + cache.ignores = result; + dataCache.set(this, cache); + + return result; + } + + /** + * Indicates if the config array has been normalized. + * @returns {boolean} True if the config array is normalized, false if not. + */ + isNormalized() { + return this[ConfigArraySymbol.isNormalized]; + } + + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {Promise} The current ConfigArray instance. + */ + async normalize(context = {}) { + if (!this.isNormalized()) { + const normalizedConfigs = await normalize( + this, + context, + this.extraConfigTypes, + this.#namespacedBasePath, + this.#path, + ); + this.length = 0; + this.push( + ...normalizedConfigs.map( + this[ConfigArraySymbol.preprocessConfig].bind(this), + ), + ); + this.forEach(assertValidBaseConfig); + this[ConfigArraySymbol.isNormalized] = true; + + // prevent further changes + Object.freeze(this); + } + + return this; + } + + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {ConfigArray} The current ConfigArray instance. + */ + normalizeSync(context = {}) { + if (!this.isNormalized()) { + const normalizedConfigs = normalizeSync( + this, + context, + this.extraConfigTypes, + this.#namespacedBasePath, + this.#path, + ); + this.length = 0; + this.push( + ...normalizedConfigs.map( + this[ConfigArraySymbol.preprocessConfig].bind(this), + ), + ); + this.forEach(assertValidBaseConfig); + this[ConfigArraySymbol.isNormalized] = true; + + // prevent further changes + Object.freeze(this); + } + + return this; + } + + /* eslint-disable class-methods-use-this -- Desired as instance methods */ + + /** + * Finalizes the state of a config before being cached and returned by + * `getConfig()`. Does nothing by default but is provided to be + * overridden by subclasses as necessary. + * @param {Object} config The config to finalize. + * @returns {Object} The finalized config. + */ + // Cast key to `never` to prevent TypeScript from adding the signature `[x: symbol]: (config: any) => any` to the type of the class. + [/** @type {never} */ (ConfigArraySymbol.finalizeConfig)](config) { + return config; + } + + /** + * Preprocesses a config during the normalization process. This is the + * method to override if you want to convert an array item before it is + * validated for the first time. For example, if you want to replace a + * string with an object, this is the method to override. + * @param {Object} config The config to preprocess. + * @returns {Object} The config to use in place of the argument. + */ + // Cast key to `never` to prevent TypeScript from adding the signature `[x: symbol]: (config: any) => any` to the type of the class. + [/** @type {never} */ (ConfigArraySymbol.preprocessConfig)](config) { + return config; + } + + /* eslint-enable class-methods-use-this -- Desired as instance methods */ + + /** + * Returns the config object for a given file path and a status that can be used to determine why a file has no config. + * @param {string} filePath The path of a file to get a config for. + * @returns {{ config?: Object, status: "ignored"|"external"|"unconfigured"|"matched" }} + * An object with an optional property `config` and property `status`. + * `config` is the config object for the specified file as returned by {@linkcode ConfigArray.getConfig}, + * `status` a is one of the constants returned by {@linkcode ConfigArray.getConfigStatus}. + */ + getConfigWithStatus(filePath) { + assertNormalized(this); + + const cache = this[ConfigArraySymbol.configCache]; + + // first check the cache for a filename match to avoid duplicate work + if (cache.has(filePath)) { + return cache.get(filePath); + } + + // check to see if the file is outside the base path + + const relativeToBaseFilePath = toRelativePath( + filePath, + this.#namespacedBasePath, + this.#path, + ); + + if (EXTERNAL_PATH_REGEX.test(relativeToBaseFilePath)) { + debug(`No config for file ${filePath} outside of base path`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_EXTERNAL); + return CONFIG_WITH_STATUS_EXTERNAL; + } + + // next check to see if the file should be ignored + + // check if this should be ignored due to its directory + if (this.isDirectoryIgnored(this.#path.dirname(filePath))) { + debug(`Ignoring ${filePath} based on directory pattern`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_IGNORED); + return CONFIG_WITH_STATUS_IGNORED; + } + + if ( + shouldIgnorePath(this.ignores, filePath, relativeToBaseFilePath, { + basePath: this.#namespacedBasePath, + path: this.#path, + }) + ) { + debug(`Ignoring ${filePath} based on file pattern`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_IGNORED); + return CONFIG_WITH_STATUS_IGNORED; + } + + // filePath isn't automatically ignored, so try to construct config + + const matchingConfigIndices = []; + let matchFound = false; + const universalPattern = /^\*$|^!|\/\*{1,2}$/u; + + this.forEach((config, index) => { + const relativeFilePath = config.basePath + ? toRelativePath( + this.#path.resolve(this.#namespacedBasePath, filePath), + config.basePath, + this.#path, + ) + : relativeToBaseFilePath; + + if (config.basePath && EXTERNAL_PATH_REGEX.test(relativeFilePath)) { + debug( + `Skipped config found for ${filePath} (based on config's base path: ${config.basePath}`, + ); + return; + } + + if (!config.files) { + if (!config.ignores) { + debug(`Universal config found for ${filePath}`); + matchingConfigIndices.push(index); + return; + } + + if ( + Object.keys(config).filter(key => !META_FIELDS.has(key)) + .length === 1 + ) { + debug( + `Skipped config found for ${filePath} (global ignores)`, + ); + return; + } + + /* + * Pass config object without `basePath`, because `relativeFilePath` is already + * calculated as relative to it. + */ + if ( + shouldIgnorePath( + [{ ignores: config.ignores }], + filePath, + relativeFilePath, + ) + ) { + debug( + `Skipped config found for ${filePath} (based on ignores: ${config.ignores})`, + ); + return; + } + + debug( + `Matching config found for ${filePath} (based on ignores: ${config.ignores})`, + ); + matchingConfigIndices.push(index); + return; + } + + /* + * If a config has a files pattern * or patterns ending in /** or /*, + * and the filePath only matches those patterns, then the config is only + * applied if there is another config where the filePath matches + * a file with a specific extensions such as *.js. + */ + + const nonUniversalFiles = []; + const universalFiles = config.files.filter(element => { + if (Array.isArray(element)) { + /* + * filePath matches an element that is an array only if it matches + * all patterns in it (AND operation). Therefore, if there is at least + * one non-universal pattern in the array, and filePath matches the array, + * then we know for sure that filePath matches at least one non-universal + * pattern, so we can consider the entire array to be non-universal. + * In other words, all patterns in the array need to be universal + * for it to be considered universal. + */ + if ( + element.every(pattern => universalPattern.test(pattern)) + ) { + return true; + } + + nonUniversalFiles.push(element); + return false; + } + + // element is a string + + if (universalPattern.test(element)) { + return true; + } + + nonUniversalFiles.push(element); + return false; + }); + + // universal patterns were found so we need to check the config twice + if (universalFiles.length) { + debug("Universal files patterns found. Checking carefully."); + + // check that the config matches without the non-universal files first + if ( + nonUniversalFiles.length && + pathMatches(filePath, relativeFilePath, { + files: nonUniversalFiles, + ignores: config.ignores, + }) + ) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + matchFound = true; + return; + } + + // if there wasn't a match then check if it matches with universal files + if ( + universalFiles.length && + pathMatches(filePath, relativeFilePath, { + files: universalFiles, + ignores: config.ignores, + }) + ) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + return; + } + + // if we make here, then there was no match + return; + } + + // the normal case + if (pathMatches(filePath, relativeFilePath, config)) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + matchFound = true; + } + }); + + // if matching both files and ignores, there will be no config to create + if (!matchFound) { + debug(`No matching configs found for ${filePath}`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_UNCONFIGURED); + return CONFIG_WITH_STATUS_UNCONFIGURED; + } + + // check to see if there is a config cached by indices + const indicesKey = matchingConfigIndices.toString(); + let configWithStatus = cache.get(indicesKey); + + if (configWithStatus) { + // also store for filename for faster lookup next time + cache.set(filePath, configWithStatus); + + return configWithStatus; + } + + // otherwise construct the config + + // eslint-disable-next-line array-callback-return, consistent-return -- rethrowConfigError always throws an error + let finalConfig = matchingConfigIndices.reduce((result, index) => { + try { + return this[ConfigArraySymbol.schema].merge( + result, + this[index], + ); + } catch (validationError) { + rethrowConfigError(this[index], index, validationError); + } + }, {}); + + finalConfig = this[ConfigArraySymbol.finalizeConfig](finalConfig); + + configWithStatus = Object.freeze({ + config: finalConfig, + status: "matched", + }); + cache.set(filePath, configWithStatus); + cache.set(indicesKey, configWithStatus); + + return configWithStatus; + } + + /** + * Returns the config object for a given file path. + * @param {string} filePath The path of a file to get a config for. + * @returns {Object|undefined} The config object for this file or `undefined`. + */ + getConfig(filePath) { + return this.getConfigWithStatus(filePath).config; + } + + /** + * Determines whether a file has a config or why it doesn't. + * @param {string} filePath The path of the file to check. + * @returns {"ignored"|"external"|"unconfigured"|"matched"} One of the following values: + * * `"ignored"`: the file is ignored + * * `"external"`: the file is outside the base path + * * `"unconfigured"`: the file is not matched by any config + * * `"matched"`: the file has a matching config + */ + getConfigStatus(filePath) { + return this.getConfigWithStatus(filePath).status; + } + + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + * @deprecated Use `isFileIgnored` instead. + */ + isIgnored(filePath) { + return this.isFileIgnored(filePath); + } + + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + */ + isFileIgnored(filePath) { + return this.getConfigStatus(filePath) === "ignored"; + } + + /** + * Determines if the given directory is ignored based on the configs. + * This checks only default `ignores` that don't have `files` in the + * same config. A pattern such as `/foo` be considered to ignore the directory + * while a pattern such as `/foo/**` is not considered to ignore the + * directory because it is matching files. + * @param {string} directoryPath The path of a directory to check. + * @returns {boolean} True if the directory is ignored, false if not. Will + * return true for any directory that is not inside of `basePath`. + * @throws {Error} When the `ConfigArray` is not normalized. + */ + isDirectoryIgnored(directoryPath) { + assertNormalized(this); + + const relativeDirectoryPath = toRelativePath( + directoryPath, + this.#namespacedBasePath, + this.#path, + ); + + // basePath directory can never be ignored + if (relativeDirectoryPath === "") { + return false; + } + + if (EXTERNAL_PATH_REGEX.test(relativeDirectoryPath)) { + return true; + } + + // first check the cache + const cache = dataCache.get(this).directoryMatches; + + if (cache.has(relativeDirectoryPath)) { + return cache.get(relativeDirectoryPath); + } + + const directoryParts = relativeDirectoryPath.split("/"); + let relativeDirectoryToCheck = ""; + let result; + + /* + * In order to get the correct gitignore-style ignores, where an + * ignored parent directory cannot have any descendants unignored, + * we need to check every directory starting at the parent all + * the way down to the actual requested directory. + * + * We aggressively cache all of this info to make sure we don't + * have to recalculate everything for every call. + */ + do { + relativeDirectoryToCheck += `${directoryParts.shift()}/`; + + result = shouldIgnorePath( + this.ignores, + this.#path.join(this.basePath, relativeDirectoryToCheck), + relativeDirectoryToCheck, + { + basePath: this.#namespacedBasePath, + path: this.#path, + }, + ); + + cache.set(relativeDirectoryToCheck, result); + } while (!result && directoryParts.length); + + // also cache the result for the requested path + cache.set(relativeDirectoryPath, result); + + return result; + } +} + +Object.defineProperty(exports, "ObjectSchema", { + enumerable: true, + get: function () { return objectSchema.ObjectSchema; } +}); +exports.ConfigArray = ConfigArray; +exports.ConfigArraySymbol = ConfigArraySymbol; diff --git a/module/node_modules/@eslint/config-array/dist/cjs/index.d.cts b/module/node_modules/@eslint/config-array/dist/cjs/index.d.cts new file mode 100644 index 000000000..f1a387de4 --- /dev/null +++ b/module/node_modules/@eslint/config-array/dist/cjs/index.d.cts @@ -0,0 +1,145 @@ +export { ObjectSchema } from "@eslint/object-schema"; +export type PropertyDefinition = $eslintobjectschema.PropertyDefinition; +export type ObjectDefinition = $eslintobjectschema.ObjectDefinition; +export type ConfigObject = $typests.ConfigObject; +export type IMinimatchStatic = minimatch.IMinimatchStatic; +export type IMinimatch = minimatch.IMinimatch; +export type ObjectSchemaInstance = ObjectSchema; +/** + * Represents an array of config objects and provides method for working with + * those config objects. + */ +export class ConfigArray extends Array { + /** + * Creates a new instance of ConfigArray. + * @param {Iterable|Function|Object} configs An iterable yielding config + * objects, or a config function, or a config object. + * @param {Object} options The options for the ConfigArray. + * @param {string} [options.basePath="/"] The absolute path of the config file directory. + * Defaults to `"/"`. + * @param {boolean} [options.normalized=false] Flag indicating if the + * configs have already been normalized. + * @param {Object} [options.schema] The additional schema + * definitions to use for the ConfigArray schema. + * @param {Array} [options.extraConfigTypes] List of config types supported. + * @throws {TypeError} When the `basePath` is not a non-empty string, + */ + constructor(configs: Iterable | Function | any, { basePath, normalized, schema: customSchema, extraConfigTypes, }?: { + basePath?: string; + normalized?: boolean; + schema?: any; + extraConfigTypes?: Array; + }); + /** + * The path of the config file that this array was loaded from. + * This is used to calculate filename matches. + * @property basePath + * @type {string} + */ + basePath: string; + /** + * The supported config types. + * @type {Array} + */ + extraConfigTypes: Array; + /** + * Returns the `files` globs from every config object in the array. + * This can be used to determine which files will be matched by a + * config array or to use as a glob pattern when no patterns are provided + * for a command line interface. + * @returns {Array} An array of matchers. + */ + get files(): Array; + /** + * Returns ignore matchers that should always be ignored regardless of + * the matching `files` fields in any configs. This is necessary to mimic + * the behavior of things like .gitignore and .eslintignore, allowing a + * globbing operation to be faster. + * @returns {Object[]} An array of config objects representing global ignores. + */ + get ignores(): any[]; + /** + * Indicates if the config array has been normalized. + * @returns {boolean} True if the config array is normalized, false if not. + */ + isNormalized(): boolean; + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {Promise} The current ConfigArray instance. + */ + normalize(context?: any): Promise; + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {ConfigArray} The current ConfigArray instance. + */ + normalizeSync(context?: any): ConfigArray; + /** + * Returns the config object for a given file path and a status that can be used to determine why a file has no config. + * @param {string} filePath The path of a file to get a config for. + * @returns {{ config?: Object, status: "ignored"|"external"|"unconfigured"|"matched" }} + * An object with an optional property `config` and property `status`. + * `config` is the config object for the specified file as returned by {@linkcode ConfigArray.getConfig}, + * `status` a is one of the constants returned by {@linkcode ConfigArray.getConfigStatus}. + */ + getConfigWithStatus(filePath: string): { + config?: any; + status: "ignored" | "external" | "unconfigured" | "matched"; + }; + /** + * Returns the config object for a given file path. + * @param {string} filePath The path of a file to get a config for. + * @returns {Object|undefined} The config object for this file or `undefined`. + */ + getConfig(filePath: string): any | undefined; + /** + * Determines whether a file has a config or why it doesn't. + * @param {string} filePath The path of the file to check. + * @returns {"ignored"|"external"|"unconfigured"|"matched"} One of the following values: + * * `"ignored"`: the file is ignored + * * `"external"`: the file is outside the base path + * * `"unconfigured"`: the file is not matched by any config + * * `"matched"`: the file has a matching config + */ + getConfigStatus(filePath: string): "ignored" | "external" | "unconfigured" | "matched"; + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + * @deprecated Use `isFileIgnored` instead. + */ + isIgnored(filePath: string): boolean; + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + */ + isFileIgnored(filePath: string): boolean; + /** + * Determines if the given directory is ignored based on the configs. + * This checks only default `ignores` that don't have `files` in the + * same config. A pattern such as `/foo` be considered to ignore the directory + * while a pattern such as `/foo/**` is not considered to ignore the + * directory because it is matching files. + * @param {string} directoryPath The path of a directory to check. + * @returns {boolean} True if the directory is ignored, false if not. Will + * return true for any directory that is not inside of `basePath`. + * @throws {Error} When the `ConfigArray` is not normalized. + */ + isDirectoryIgnored(directoryPath: string): boolean; + #private; +} +export namespace ConfigArraySymbol { + let isNormalized: symbol; + let configCache: symbol; + let schema: symbol; + let finalizeConfig: symbol; + let preprocessConfig: symbol; +} +import type * as $eslintobjectschema from "@eslint/object-schema"; +import type * as $typests from "./types.cts"; +import minimatch from 'minimatch'; +import { ObjectSchema } from '@eslint/object-schema'; diff --git a/module/node_modules/@eslint/config-array/dist/cjs/std__path/posix.cjs b/module/node_modules/@eslint/config-array/dist/cjs/std__path/posix.cjs new file mode 100644 index 000000000..5f1344da0 --- /dev/null +++ b/module/node_modules/@eslint/config-array/dist/cjs/std__path/posix.cjs @@ -0,0 +1,1336 @@ +// @ts-nocheck +'use strict'; + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +function assertPath(path) { + if (typeof path !== "string") { + throw new TypeError(`Path must be a string, received "${JSON.stringify(path)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function stripSuffix(name, suffix) { + if (suffix.length >= name.length) { + return name; + } + const lenDiff = name.length - suffix.length; + for(let i = suffix.length - 1; i >= 0; --i){ + if (name.charCodeAt(lenDiff + i) !== suffix.charCodeAt(i)) { + return name; + } + } + return name.slice(0, -suffix.length); +} +function lastPathSegment(path, isSep, start = 0) { + let matchedNonSeparator = false; + let end = path.length; + for(let i = path.length - 1; i >= start; --i){ + if (isSep(path.charCodeAt(i))) { + if (matchedNonSeparator) { + start = i + 1; + break; + } + } else if (!matchedNonSeparator) { + matchedNonSeparator = true; + end = i + 1; + } + } + return path.slice(start, end); +} +function assertArgs$1(path, suffix) { + assertPath(path); + if (path.length === 0) return path; + if (typeof suffix !== "string") { + throw new TypeError(`Suffix must be a string, received "${JSON.stringify(suffix)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$3(url) { + url = url instanceof URL ? url : new URL(url); + if (url.protocol !== "file:") { + throw new TypeError(`URL must be a file URL: received "${url.protocol}"`); + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a file URL to a path string. + * + * @example Usage + * ```ts + * import { fromFileUrl } from "@std/path/posix/from-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(fromFileUrl(new URL("file:///home/foo")), "/home/foo"); + * ``` + * + * @param url The file URL to convert. + * @returns The path string. + */ function fromFileUrl(url) { + url = assertArg$3(url); + return decodeURIComponent(url.pathname.replace(/%(?![0-9A-Fa-f]{2})/g, "%25")); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function stripTrailingSeparators(segment, isSep) { + if (segment.length <= 1) { + return segment; + } + let end = segment.length; + for(let i = segment.length - 1; i > 0; i--){ + if (isSep(segment.charCodeAt(i))) { + end = i; + } else { + break; + } + } + return segment.slice(0, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Alphabet chars. +// Non-alphabetic chars. +const CHAR_DOT = 46; /* . */ +const CHAR_FORWARD_SLASH = 47; /* / */ + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function isPosixPathSeparator(code) { + return code === CHAR_FORWARD_SLASH; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the last portion of a `path`. + * Trailing directory separators are ignored, and optional suffix is removed. + * + * @example Usage + * ```ts + * import { basename } from "@std/path/posix/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("/home/user/Documents/"), "Documents"); + * assertEquals(basename("/home/user/Documents/image.png"), "image.png"); + * assertEquals(basename("/home/user/Documents/image.png", ".png"), "image"); + * assertEquals(basename(new URL("file:///home/user/Documents/image.png")), "image.png"); + * assertEquals(basename(new URL("file:///home/user/Documents/image.png"), ".png"), "image"); + * ``` + * + * @example Working with URLs + * + * Note: This function doesn't automatically strip hash and query parts from + * URLs. If your URL contains a hash or query, remove them before passing the + * URL to the function. This can be done by passing the URL to `new URL(url)`, + * and setting the `hash` and `search` properties to empty strings. + * + * ```ts + * import { basename } from "@std/path/posix/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("https://deno.land/std/path/mod.ts"), "mod.ts"); + * assertEquals(basename("https://deno.land/std/path/mod.ts", ".ts"), "mod"); + * assertEquals(basename("https://deno.land/std/path/mod.ts?a=b"), "mod.ts?a=b"); + * assertEquals(basename("https://deno.land/std/path/mod.ts#header"), "mod.ts#header"); + * ``` + * + * @param path The path to extract the name from. + * @param suffix The suffix to remove from extracted name. + * @returns The extracted name. + */ function basename(path, suffix = "") { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArgs$1(path, suffix); + const lastSegment = lastPathSegment(path, isPosixPathSeparator); + const strippedSegment = stripTrailingSeparators(lastSegment, isPosixPathSeparator); + return suffix ? stripSuffix(strippedSegment, suffix) : strippedSegment; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * The character used to separate entries in the PATH environment variable. + */ const DELIMITER = ":"; +/** + * The character used to separate components of a file path. + */ const SEPARATOR = "/"; +/** + * A regular expression that matches one or more path separators. + */ const SEPARATOR_PATTERN = /\/+/; + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$2(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the directory path of a `path`. + * + * @example Usage + * ```ts + * import { dirname } from "@std/path/posix/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("/home/user/Documents/"), "/home/user"); + * assertEquals(dirname("/home/user/Documents/image.png"), "/home/user/Documents"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts"), "https://deno.land/std/path"); + * assertEquals(dirname(new URL("file:///home/user/Documents/image.png")), "/home/user/Documents"); + * ``` + * + * @example Working with URLs + * + * ```ts + * import { dirname } from "@std/path/posix/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("https://deno.land/std/path/mod.ts"), "https://deno.land/std/path"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts?a=b"), "https://deno.land/std/path"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts#header"), "https://deno.land/std/path"); + * ``` + * + * @param path The path to get the directory from. + * @returns The directory path. + */ function dirname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg$2(path); + let end = -1; + let matchedNonSeparator = false; + for(let i = path.length - 1; i >= 1; --i){ + if (isPosixPathSeparator(path.charCodeAt(i))) { + if (matchedNonSeparator) { + end = i; + break; + } + } else { + matchedNonSeparator = true; + } + } + // No matches. Fallback based on provided path: + // + // - leading slashes paths + // "/foo" => "/" + // "///foo" => "/" + // - no slash path + // "foo" => "." + if (end === -1) { + return isPosixPathSeparator(path.charCodeAt(0)) ? "/" : "."; + } + return stripTrailingSeparators(path.slice(0, end), isPosixPathSeparator); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the extension of the `path` with leading period. + * + * @example Usage + * ```ts + * import { extname } from "@std/path/posix/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("/home/user/Documents/file.ts"), ".ts"); + * assertEquals(extname("/home/user/Documents/"), ""); + * assertEquals(extname("/home/user/Documents/image.png"), ".png"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts")), ".ts"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts?a=b")), ".ts"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts#header")), ".ts"); + * ``` + * + * @example Working with URLs + * + * Note: This function doesn't automatically strip hash and query parts from + * URLs. If your URL contains a hash or query, remove them before passing the + * URL to the function. This can be done by passing the URL to `new URL(url)`, + * and setting the `hash` and `search` properties to empty strings. + * + * ```ts + * import { extname } from "@std/path/posix/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("https://deno.land/std/path/mod.ts"), ".ts"); + * assertEquals(extname("https://deno.land/std/path/mod.ts?a=b"), ".ts?a=b"); + * assertEquals(extname("https://deno.land/std/path/mod.ts#header"), ".ts#header"); + * ``` + * + * @param path The path to get the extension from. + * @returns The extension (ex. for `file.ts` returns `.ts`). + */ function extname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertPath(path); + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + for(let i = path.length - 1; i >= 0; --i){ + const code = path.charCodeAt(i); + if (isPosixPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + return ""; + } + return path.slice(startDot, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function _format(sep, pathObject) { + const dir = pathObject.dir || pathObject.root; + const base = pathObject.base || (pathObject.name ?? "") + (pathObject.ext ?? ""); + if (!dir) return base; + if (base === sep) return dir; + if (dir === pathObject.root) return dir + base; + return dir + sep + base; +} +function assertArg$1(pathObject) { + if (pathObject === null || typeof pathObject !== "object") { + throw new TypeError(`The "pathObject" argument must be of type Object, received type "${typeof pathObject}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Generate a path from `ParsedPath` object. + * + * @example Usage + * ```ts + * import { format } from "@std/path/posix/format"; + * import { assertEquals } from "@std/assert"; + * + * const path = format({ + * root: "/", + * dir: "/path/dir", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * assertEquals(path, "/path/dir/file.txt"); + * ``` + * + * @param pathObject The path object to format. + * @returns The formatted path. + */ function format(pathObject) { + assertArg$1(pathObject); + return _format("/", pathObject); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Verifies whether provided path is absolute. + * + * @example Usage + * ```ts + * import { isAbsolute } from "@std/path/posix/is-absolute"; + * import { assert, assertFalse } from "@std/assert"; + * + * assert(isAbsolute("/home/user/Documents/")); + * assertFalse(isAbsolute("home/user/Documents/")); + * ``` + * + * @param path The path to verify. + * @returns Whether the path is absolute. + */ function isAbsolute(path) { + assertPath(path); + return path.length > 0 && isPosixPathSeparator(path.charCodeAt(0)); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Resolves . and .. elements in a path with directory names +function normalizeString(path, allowAboveRoot, separator, isPathSeparator) { + let res = ""; + let lastSegmentLength = 0; + let lastSlash = -1; + let dots = 0; + let code; + for(let i = 0; i <= path.length; ++i){ + if (i < path.length) code = path.charCodeAt(i); + else if (isPathSeparator(code)) break; + else code = CHAR_FORWARD_SLASH; + if (isPathSeparator(code)) { + if (lastSlash === i - 1 || dots === 1) ; else if (lastSlash !== i - 1 && dots === 2) { + if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== CHAR_DOT || res.charCodeAt(res.length - 2) !== CHAR_DOT) { + if (res.length > 2) { + const lastSlashIndex = res.lastIndexOf(separator); + if (lastSlashIndex === -1) { + res = ""; + lastSegmentLength = 0; + } else { + res = res.slice(0, lastSlashIndex); + lastSegmentLength = res.length - 1 - res.lastIndexOf(separator); + } + lastSlash = i; + dots = 0; + continue; + } else if (res.length === 2 || res.length === 1) { + res = ""; + lastSegmentLength = 0; + lastSlash = i; + dots = 0; + continue; + } + } + if (allowAboveRoot) { + if (res.length > 0) res += `${separator}..`; + else res = ".."; + lastSegmentLength = 2; + } + } else { + if (res.length > 0) res += separator + path.slice(lastSlash + 1, i); + else res = path.slice(lastSlash + 1, i); + lastSegmentLength = i - lastSlash - 1; + } + lastSlash = i; + dots = 0; + } else if (code === CHAR_DOT && dots !== -1) { + ++dots; + } else { + dots = -1; + } + } + return res; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Normalize the `path`, resolving `'..'` and `'.'` segments. + * Note that resolving these segments does not necessarily mean that all will be eliminated. + * A `'..'` at the top-level will be preserved, and an empty path is canonically `'.'`. + * + * @example Usage + * ```ts + * import { normalize } from "@std/path/posix/normalize"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(normalize("/foo/bar//baz/asdf/quux/.."), "/foo/bar/baz/asdf"); + * assertEquals(normalize(new URL("file:///foo/bar//baz/asdf/quux/..")), "/foo/bar/baz/asdf/"); + * ``` + * + * @example Working with URLs + * + * Note: This function will remove the double slashes from a URL's scheme. + * Hence, do not pass a full URL to this function. Instead, pass the pathname of + * the URL. + * + * ```ts + * import { normalize } from "@std/path/posix/normalize"; + * import { assertEquals } from "@std/assert"; + * + * const url = new URL("https://deno.land"); + * url.pathname = normalize("//std//assert//.//mod.ts"); + * assertEquals(url.href, "https://deno.land/std/assert/mod.ts"); + * + * url.pathname = normalize("std/assert/../async/retry.ts"); + * assertEquals(url.href, "https://deno.land/std/async/retry.ts"); + * ``` + * + * @param path The path to normalize. + * @returns The normalized path. + */ function normalize(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg(path); + const isAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + const trailingSeparator = isPosixPathSeparator(path.charCodeAt(path.length - 1)); + // Normalize the path + path = normalizeString(path, !isAbsolute, "/", isPosixPathSeparator); + if (path.length === 0 && !isAbsolute) path = "."; + if (path.length > 0 && trailingSeparator) path += "/"; + if (isAbsolute) return `/${path}`; + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Join all given a sequence of `paths`,then normalizes the resulting path. + * + * @example Usage + * ```ts + * import { join } from "@std/path/posix/join"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(join("/foo", "bar", "baz/asdf", "quux", ".."), "/foo/bar/baz/asdf"); + * assertEquals(join(new URL("file:///foo"), "bar", "baz/asdf", "quux", ".."), "/foo/bar/baz/asdf"); + * ``` + * + * @example Working with URLs + * ```ts + * import { join } from "@std/path/posix/join"; + * import { assertEquals } from "@std/assert"; + * + * const url = new URL("https://deno.land"); + * url.pathname = join("std", "path", "mod.ts"); + * assertEquals(url.href, "https://deno.land/std/path/mod.ts"); + * + * url.pathname = join("//std", "path/", "/mod.ts"); + * assertEquals(url.href, "https://deno.land/std/path/mod.ts"); + * ``` + * + * @param path The path to join. This can be string or file URL. + * @param paths The paths to join. + * @returns The joined path. + */ function join(path, ...paths) { + if (path === undefined) return "."; + if (path instanceof URL) { + path = fromFileUrl(path); + } + paths = path ? [ + path, + ...paths + ] : paths; + paths.forEach((path)=>assertPath(path)); + const joined = paths.filter((path)=>path.length > 0).join("/"); + return joined === "" ? "." : normalize(joined); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return a `ParsedPath` object of the `path`. + * + * @example Usage + * ```ts + * import { parse } from "@std/path/posix/parse"; + * import { assertEquals } from "@std/assert"; + * + * const path = parse("/home/user/file.txt"); + * assertEquals(path, { + * root: "/", + * dir: "/home/user", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * ``` + * + * @param path The path to parse. + * @returns The parsed path object. + */ function parse(path) { + assertPath(path); + const ret = { + root: "", + dir: "", + base: "", + ext: "", + name: "" + }; + if (path.length === 0) return ret; + const isAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + let start; + if (isAbsolute) { + ret.root = "/"; + start = 1; + } else { + start = 0; + } + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + let i = path.length - 1; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Get non-dir info + for(; i >= start; --i){ + const code = path.charCodeAt(i); + if (isPosixPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + if (end !== -1) { + if (startPart === 0 && isAbsolute) { + ret.base = ret.name = path.slice(1, end); + } else { + ret.base = ret.name = path.slice(startPart, end); + } + } + // Fallback to '/' in case there is no basename + ret.base = ret.base || "/"; + } else { + if (startPart === 0 && isAbsolute) { + ret.name = path.slice(1, startDot); + ret.base = path.slice(1, end); + } else { + ret.name = path.slice(startPart, startDot); + ret.base = path.slice(startPart, end); + } + ret.ext = path.slice(startDot, end); + } + if (startPart > 0) { + ret.dir = stripTrailingSeparators(path.slice(0, startPart - 1), isPosixPathSeparator); + } else if (isAbsolute) ret.dir = "/"; + return ret; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path segments into a `path`. + * + * @example Usage + * ```ts + * import { resolve } from "@std/path/posix/resolve"; + * import { assertEquals } from "@std/assert"; + * + * const path = resolve("/foo", "bar", "baz/asdf", "quux", ".."); + * assertEquals(path, "/foo/bar/baz/asdf"); + * ``` + * + * @param pathSegments The path segments to resolve. + * @returns The resolved path. + */ function resolve(...pathSegments) { + let resolvedPath = ""; + let resolvedAbsolute = false; + for(let i = pathSegments.length - 1; i >= -1 && !resolvedAbsolute; i--){ + let path; + if (i >= 0) path = pathSegments[i]; + else { + // deno-lint-ignore no-explicit-any + const { Deno } = globalThis; + if (typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a relative path without a current working directory (CWD)"); + } + path = Deno.cwd(); + } + assertPath(path); + // Skip empty entries + if (path.length === 0) { + continue; + } + resolvedPath = `${path}/${resolvedPath}`; + resolvedAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + } + // At this point the path should be resolved to a full absolute path, but + // handle relative paths to be safe (might happen when Deno.cwd() fails) + // Normalize the path + resolvedPath = normalizeString(resolvedPath, !resolvedAbsolute, "/", isPosixPathSeparator); + if (resolvedAbsolute) { + if (resolvedPath.length > 0) return `/${resolvedPath}`; + else return "/"; + } else if (resolvedPath.length > 0) return resolvedPath; + else return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArgs(from, to) { + assertPath(from); + assertPath(to); + if (from === to) return ""; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the relative path from `from` to `to` based on current working directory. + * + * If `from` and `to` are the same, return an empty string. + * + * @example Usage + * ```ts + * import { relative } from "@std/path/posix/relative"; + * import { assertEquals } from "@std/assert"; + * + * const path = relative("/data/orandea/test/aaa", "/data/orandea/impl/bbb"); + * assertEquals(path, "../../impl/bbb"); + * ``` + * + * @param from The path to start from. + * @param to The path to reach. + * @returns The relative path. + */ function relative(from, to) { + assertArgs(from, to); + from = resolve(from); + to = resolve(to); + if (from === to) return ""; + // Trim any leading backslashes + let fromStart = 1; + const fromEnd = from.length; + for(; fromStart < fromEnd; ++fromStart){ + if (!isPosixPathSeparator(from.charCodeAt(fromStart))) break; + } + const fromLen = fromEnd - fromStart; + // Trim any leading backslashes + let toStart = 1; + const toEnd = to.length; + for(; toStart < toEnd; ++toStart){ + if (!isPosixPathSeparator(to.charCodeAt(toStart))) break; + } + const toLen = toEnd - toStart; + // Compare paths to find the longest common path from root + const length = fromLen < toLen ? fromLen : toLen; + let lastCommonSep = -1; + let i = 0; + for(; i <= length; ++i){ + if (i === length) { + if (toLen > length) { + if (isPosixPathSeparator(to.charCodeAt(toStart + i))) { + // We get here if `from` is the exact base path for `to`. + // For example: from='/foo/bar'; to='/foo/bar/baz' + return to.slice(toStart + i + 1); + } else if (i === 0) { + // We get here if `from` is the root + // For example: from='/'; to='/foo' + return to.slice(toStart + i); + } + } else if (fromLen > length) { + if (isPosixPathSeparator(from.charCodeAt(fromStart + i))) { + // We get here if `to` is the exact base path for `from`. + // For example: from='/foo/bar/baz'; to='/foo/bar' + lastCommonSep = i; + } else if (i === 0) { + // We get here if `to` is the root. + // For example: from='/foo'; to='/' + lastCommonSep = 0; + } + } + break; + } + const fromCode = from.charCodeAt(fromStart + i); + const toCode = to.charCodeAt(toStart + i); + if (fromCode !== toCode) break; + else if (isPosixPathSeparator(fromCode)) lastCommonSep = i; + } + let out = ""; + // Generate the relative path based on the path difference between `to` + // and `from` + for(i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i){ + if (i === fromEnd || isPosixPathSeparator(from.charCodeAt(i))) { + if (out.length === 0) out += ".."; + else out += "/.."; + } + } + // Lastly, append the rest of the destination (`to`) path that comes after + // the common path parts + if (out.length > 0) return out + to.slice(toStart + lastCommonSep); + else { + toStart += lastCommonSep; + if (isPosixPathSeparator(to.charCodeAt(toStart))) ++toStart; + return to.slice(toStart); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const WHITESPACE_ENCODINGS = { + "\u0009": "%09", + "\u000A": "%0A", + "\u000B": "%0B", + "\u000C": "%0C", + "\u000D": "%0D", + "\u0020": "%20" +}; +function encodeWhitespace(string) { + return string.replaceAll(/[\s]/g, (c)=>{ + return WHITESPACE_ENCODINGS[c] ?? c; + }); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path string to a file URL. + * + * @example Usage + * ```ts + * import { toFileUrl } from "@std/path/posix/to-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toFileUrl("/home/foo"), new URL("file:///home/foo")); + * assertEquals(toFileUrl("/home/foo bar"), new URL("file:///home/foo%20bar")); + * ``` + * + * @param path The path to convert. + * @returns The file URL. + */ function toFileUrl(path) { + if (!isAbsolute(path)) { + throw new TypeError(`Path must be absolute: received "${path}"`); + } + const url = new URL("file:///"); + url.pathname = encodeWhitespace(path.replace(/%/g, "%25").replace(/\\/g, "%5C")); + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path to a namespaced path. This function returns the path as is on posix. + * + * @example Usage + * ```ts + * import { toNamespacedPath } from "@std/path/posix/to-namespaced-path"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toNamespacedPath("/home/foo"), "/home/foo"); + * ``` + * + * @param path The path. + * @returns The namespaced path. + */ function toNamespacedPath(path) { + // Non-op on posix systems + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function common$1(paths, sep) { + const [first = "", ...remaining] = paths; + const parts = first.split(sep); + let endOfPrefix = parts.length; + let append = ""; + for (const path of remaining){ + const compare = path.split(sep); + if (compare.length <= endOfPrefix) { + endOfPrefix = compare.length; + append = ""; + } + for(let i = 0; i < endOfPrefix; i++){ + if (compare[i] !== parts[i]) { + endOfPrefix = i; + append = i === 0 ? "" : sep; + break; + } + } + } + return parts.slice(0, endOfPrefix).join(sep) + append; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** Determines the common path from a set of paths for POSIX systems. + * + * @example Usage + * ```ts + * import { common } from "@std/path/posix/common"; + * import { assertEquals } from "@std/assert"; + * + * const path = common([ + * "./deno/std/path/mod.ts", + * "./deno/std/fs/mod.ts", + * ]); + * assertEquals(path, "./deno/std/"); + * ``` + * + * @param paths The paths to compare. + * @returns The common path. + */ function common(paths) { + return common$1(paths, SEPARATOR); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Options for {@linkcode globToRegExp}, {@linkcode joinGlobs}, + * {@linkcode normalizeGlob} and {@linkcode expandGlob}. + */ const REG_EXP_ESCAPE_CHARS = [ + "!", + "$", + "(", + ")", + "*", + "+", + ".", + "=", + "?", + "[", + "\\", + "^", + "{", + "|" +]; +const RANGE_ESCAPE_CHARS = [ + "-", + "\\", + "]" +]; +function _globToRegExp(c, glob, { extended = true, globstar: globstarOption = true, // os = osType, +caseInsensitive = false } = {}) { + if (glob === "") { + return /(?!)/; + } + // Remove trailing separators. + let newLength = glob.length; + for(; newLength > 1 && c.seps.includes(glob[newLength - 1]); newLength--); + glob = glob.slice(0, newLength); + let regExpString = ""; + // Terminates correctly. Trust that `j` is incremented every iteration. + for(let j = 0; j < glob.length;){ + let segment = ""; + const groupStack = []; + let inRange = false; + let inEscape = false; + let endsWithSep = false; + let i = j; + // Terminates with `i` at the non-inclusive end of the current segment. + for(; i < glob.length && !c.seps.includes(glob[i]); i++){ + if (inEscape) { + inEscape = false; + const escapeChars = inRange ? RANGE_ESCAPE_CHARS : REG_EXP_ESCAPE_CHARS; + segment += escapeChars.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + continue; + } + if (glob[i] === c.escapePrefix) { + inEscape = true; + continue; + } + if (glob[i] === "[") { + if (!inRange) { + inRange = true; + segment += "["; + if (glob[i + 1] === "!") { + i++; + segment += "^"; + } else if (glob[i + 1] === "^") { + i++; + segment += "\\^"; + } + continue; + } else if (glob[i + 1] === ":") { + let k = i + 1; + let value = ""; + while(glob[k + 1] !== undefined && glob[k + 1] !== ":"){ + value += glob[k + 1]; + k++; + } + if (glob[k + 1] === ":" && glob[k + 2] === "]") { + i = k + 2; + if (value === "alnum") segment += "\\dA-Za-z"; + else if (value === "alpha") segment += "A-Za-z"; + else if (value === "ascii") segment += "\x00-\x7F"; + else if (value === "blank") segment += "\t "; + else if (value === "cntrl") segment += "\x00-\x1F\x7F"; + else if (value === "digit") segment += "\\d"; + else if (value === "graph") segment += "\x21-\x7E"; + else if (value === "lower") segment += "a-z"; + else if (value === "print") segment += "\x20-\x7E"; + else if (value === "punct") { + segment += "!\"#$%&'()*+,\\-./:;<=>?@[\\\\\\]^_‘{|}~"; + } else if (value === "space") segment += "\\s\v"; + else if (value === "upper") segment += "A-Z"; + else if (value === "word") segment += "\\w"; + else if (value === "xdigit") segment += "\\dA-Fa-f"; + continue; + } + } + } + if (glob[i] === "]" && inRange) { + inRange = false; + segment += "]"; + continue; + } + if (inRange) { + segment += glob[i]; + continue; + } + if (glob[i] === ")" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += ")"; + const type = groupStack.pop(); + if (type === "!") { + segment += c.wildcard; + } else if (type !== "@") { + segment += type; + } + continue; + } + if (glob[i] === "|" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "+" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("+"); + segment += "(?:"; + continue; + } + if (glob[i] === "@" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("@"); + segment += "(?:"; + continue; + } + if (glob[i] === "?") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("?"); + segment += "(?:"; + } else { + segment += "."; + } + continue; + } + if (glob[i] === "!" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("!"); + segment += "(?!"; + continue; + } + if (glob[i] === "{") { + groupStack.push("BRACE"); + segment += "(?:"; + continue; + } + if (glob[i] === "}" && groupStack[groupStack.length - 1] === "BRACE") { + groupStack.pop(); + segment += ")"; + continue; + } + if (glob[i] === "," && groupStack[groupStack.length - 1] === "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "*") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("*"); + segment += "(?:"; + } else { + const prevChar = glob[i - 1]; + let numStars = 1; + while(glob[i + 1] === "*"){ + i++; + numStars++; + } + const nextChar = glob[i + 1]; + if (globstarOption && numStars === 2 && [ + ...c.seps, + undefined + ].includes(prevChar) && [ + ...c.seps, + undefined + ].includes(nextChar)) { + segment += c.globstar; + endsWithSep = true; + } else { + segment += c.wildcard; + } + } + continue; + } + segment += REG_EXP_ESCAPE_CHARS.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + } + // Check for unclosed groups or a dangling backslash. + if (groupStack.length > 0 || inRange || inEscape) { + // Parse failure. Take all characters from this segment literally. + segment = ""; + for (const c of glob.slice(j, i)){ + segment += REG_EXP_ESCAPE_CHARS.includes(c) ? `\\${c}` : c; + endsWithSep = false; + } + } + regExpString += segment; + if (!endsWithSep) { + regExpString += i < glob.length ? c.sep : c.sepMaybe; + endsWithSep = true; + } + // Terminates with `i` at the start of the next segment. + while(c.seps.includes(glob[i]))i++; + j = i; + } + regExpString = `^${regExpString}$`; + return new RegExp(regExpString, caseInsensitive ? "i" : ""); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const constants = { + sep: "/+", + sepMaybe: "/*", + seps: [ + "/" + ], + globstar: "(?:[^/]*(?:/|$)+)*", + wildcard: "[^/]*", + escapePrefix: "\\" +}; +/** Convert a glob string to a regular expression. + * + * Tries to match bash glob expansion as closely as possible. + * + * Basic glob syntax: + * - `*` - Matches everything without leaving the path segment. + * - `?` - Matches any single character. + * - `{foo,bar}` - Matches `foo` or `bar`. + * - `[abcd]` - Matches `a`, `b`, `c` or `d`. + * - `[a-d]` - Matches `a`, `b`, `c` or `d`. + * - `[!abcd]` - Matches any single character besides `a`, `b`, `c` or `d`. + * - `[[::]]` - Matches any character belonging to ``. + * - `[[:alnum:]]` - Matches any digit or letter. + * - `[[:digit:]abc]` - Matches any digit, `a`, `b` or `c`. + * - See https://facelessuser.github.io/wcmatch/glob/#posix-character-classes + * for a complete list of supported character classes. + * - `\` - Escapes the next character for an `os` other than `"windows"`. + * - \` - Escapes the next character for `os` set to `"windows"`. + * - `/` - Path separator. + * - `\` - Additional path separator only for `os` set to `"windows"`. + * + * Extended syntax: + * - Requires `{ extended: true }`. + * - `?(foo|bar)` - Matches 0 or 1 instance of `{foo,bar}`. + * - `@(foo|bar)` - Matches 1 instance of `{foo,bar}`. They behave the same. + * - `*(foo|bar)` - Matches _n_ instances of `{foo,bar}`. + * - `+(foo|bar)` - Matches _n > 0_ instances of `{foo,bar}`. + * - `!(foo|bar)` - Matches anything other than `{foo,bar}`. + * - See https://www.linuxjournal.com/content/bash-extended-globbing. + * + * Globstar syntax: + * - Requires `{ globstar: true }`. + * - `**` - Matches any number of any path segments. + * - Must comprise its entire path segment in the provided glob. + * - See https://www.linuxjournal.com/content/globstar-new-bash-globbing-option. + * + * Note the following properties: + * - The generated `RegExp` is anchored at both start and end. + * - Repeating and trailing separators are tolerated. Trailing separators in the + * provided glob have no meaning and are discarded. + * - Absolute globs will only match absolute paths, etc. + * - Empty globs will match nothing. + * - Any special glob syntax must be contained to one path segment. For example, + * `?(foo|bar/baz)` is invalid. The separator will take precedence and the + * first segment ends with an unclosed group. + * - If a path segment ends with unclosed groups or a dangling escape prefix, a + * parse error has occurred. Every character for that segment is taken + * literally in this event. + * + * Limitations: + * - A negative group like `!(foo|bar)` will wrongly be converted to a negative + * look-ahead followed by a wildcard. This means that `!(foo).js` will wrongly + * fail to match `foobar.js`, even though `foobar` is not `foo`. Effectively, + * `!(foo|bar)` is treated like `!(@(foo|bar)*)`. This will work correctly if + * the group occurs not nested at the end of the segment. + * + * @example Usage + * ```ts + * import { globToRegExp } from "@std/path/posix/glob-to-regexp"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(globToRegExp("*.js"), /^[^/]*\.js\/*$/); + * ``` + * + * @param glob Glob string to convert. + * @param options Conversion options. + * @returns The regular expression equivalent to the glob. + */ function globToRegExp(glob, options = {}) { + return _globToRegExp(constants, glob, options); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Test whether the given string is a glob. + * + * @example Usage + * ```ts + * import { isGlob } from "@std/path/is-glob"; + * import { assert } from "@std/assert"; + * + * assert(!isGlob("foo/bar/../baz")); + * assert(isGlob("foo/*ar/../baz")); + * ``` + * + * @param str String to test. + * @returns `true` if the given string is a glob, otherwise `false` + */ function isGlob(str) { + const chars = { + "{": "}", + "(": ")", + "[": "]" + }; + const regex = /\\(.)|(^!|\*|\?|[\].+)]\?|\[[^[\\\]]+\]|\{[^{\\}]+\}|\(\?[:!=][^\\)]+\)|\([^(|]+\|[^\\)]+\))/; + if (str === "") { + return false; + } + let match; + while(match = regex.exec(str)){ + if (match[2]) return true; + let idx = match.index + match[0].length; + // if an open bracket/brace/paren is escaped, + // set the index to the next closing character + const open = match[1]; + const close = open ? chars[open] : null; + if (open && close) { + const n = str.indexOf(close, idx); + if (n !== -1) { + idx = n + 1; + } + } + str = str.slice(idx); + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like normalize(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { normalizeGlob } from "@std/path/posix/normalize-glob"; + * import { assertEquals } from "@std/assert"; + * + * const path = normalizeGlob("foo/bar/../*", { globstar: true }); + * assertEquals(path, "foo/*"); + * ``` + * + * @param glob The glob to normalize. + * @param options The options to use. + * @returns The normalized path. + */ function normalizeGlob(glob, options = {}) { + const { globstar = false } = options; + if (glob.match(/\0/g)) { + throw new Error(`Glob contains invalid characters: "${glob}"`); + } + if (!globstar) { + return normalize(glob); + } + const s = SEPARATOR_PATTERN.source; + const badParentPattern = new RegExp(`(?<=(${s}|^)\\*\\*${s})\\.\\.(?=${s}|$)`, "g"); + return normalize(glob.replace(badParentPattern, "\0")).replace(/\0/g, ".."); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like join(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { joinGlobs } from "@std/path/posix/join-globs"; + * import { assertEquals } from "@std/assert"; + * + * const path = joinGlobs(["foo", "bar", "**"], { globstar: true }); + * assertEquals(path, "foo/bar/**"); + * ``` + * + * @param globs The globs to join. + * @param options The options to use. + * @returns The joined path. + */ function joinGlobs(globs, options = {}) { + const { globstar = false } = options; + if (!globstar || globs.length === 0) { + return join(...globs); + } + let joined; + for (const glob of globs){ + const path = glob; + if (path.length > 0) { + if (!joined) joined = path; + else joined += `${SEPARATOR}${path}`; + } + } + if (!joined) return "."; + return normalizeGlob(joined, { + globstar + }); +} + +exports.DELIMITER = DELIMITER; +exports.SEPARATOR = SEPARATOR; +exports.SEPARATOR_PATTERN = SEPARATOR_PATTERN; +exports.basename = basename; +exports.common = common; +exports.dirname = dirname; +exports.extname = extname; +exports.format = format; +exports.fromFileUrl = fromFileUrl; +exports.globToRegExp = globToRegExp; +exports.isAbsolute = isAbsolute; +exports.isGlob = isGlob; +exports.join = join; +exports.joinGlobs = joinGlobs; +exports.normalize = normalize; +exports.normalizeGlob = normalizeGlob; +exports.parse = parse; +exports.relative = relative; +exports.resolve = resolve; +exports.toFileUrl = toFileUrl; +exports.toNamespacedPath = toNamespacedPath; diff --git a/module/node_modules/@eslint/config-array/dist/cjs/std__path/windows.cjs b/module/node_modules/@eslint/config-array/dist/cjs/std__path/windows.cjs new file mode 100644 index 000000000..47d94de76 --- /dev/null +++ b/module/node_modules/@eslint/config-array/dist/cjs/std__path/windows.cjs @@ -0,0 +1,1678 @@ +// @ts-nocheck +'use strict'; + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +function assertPath(path) { + if (typeof path !== "string") { + throw new TypeError(`Path must be a string, received "${JSON.stringify(path)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function stripSuffix(name, suffix) { + if (suffix.length >= name.length) { + return name; + } + const lenDiff = name.length - suffix.length; + for(let i = suffix.length - 1; i >= 0; --i){ + if (name.charCodeAt(lenDiff + i) !== suffix.charCodeAt(i)) { + return name; + } + } + return name.slice(0, -suffix.length); +} +function lastPathSegment(path, isSep, start = 0) { + let matchedNonSeparator = false; + let end = path.length; + for(let i = path.length - 1; i >= start; --i){ + if (isSep(path.charCodeAt(i))) { + if (matchedNonSeparator) { + start = i + 1; + break; + } + } else if (!matchedNonSeparator) { + matchedNonSeparator = true; + end = i + 1; + } + } + return path.slice(start, end); +} +function assertArgs$1(path, suffix) { + assertPath(path); + if (path.length === 0) return path; + if (typeof suffix !== "string") { + throw new TypeError(`Suffix must be a string, received "${JSON.stringify(suffix)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Alphabet chars. +const CHAR_UPPERCASE_A = 65; /* A */ +const CHAR_LOWERCASE_A = 97; /* a */ +const CHAR_UPPERCASE_Z = 90; /* Z */ +const CHAR_LOWERCASE_Z = 122; /* z */ +// Non-alphabetic chars. +const CHAR_DOT = 46; /* . */ +const CHAR_FORWARD_SLASH = 47; /* / */ +const CHAR_BACKWARD_SLASH = 92; /* \ */ +const CHAR_COLON = 58; /* : */ +const CHAR_QUESTION_MARK = 63; /* ? */ + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function stripTrailingSeparators(segment, isSep) { + if (segment.length <= 1) { + return segment; + } + let end = segment.length; + for(let i = segment.length - 1; i > 0; i--){ + if (isSep(segment.charCodeAt(i))) { + end = i; + } else { + break; + } + } + return segment.slice(0, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function isPosixPathSeparator(code) { + return code === CHAR_FORWARD_SLASH; +} +function isPathSeparator(code) { + return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH; +} +function isWindowsDeviceRoot(code) { + return code >= CHAR_LOWERCASE_A && code <= CHAR_LOWERCASE_Z || code >= CHAR_UPPERCASE_A && code <= CHAR_UPPERCASE_Z; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$3(url) { + url = url instanceof URL ? url : new URL(url); + if (url.protocol !== "file:") { + throw new TypeError(`URL must be a file URL: received "${url.protocol}"`); + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a file URL to a path string. + * + * @example Usage + * ```ts + * import { fromFileUrl } from "@std/path/windows/from-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(fromFileUrl("file:///home/foo"), "\\home\\foo"); + * assertEquals(fromFileUrl("file:///C:/Users/foo"), "C:\\Users\\foo"); + * assertEquals(fromFileUrl("file://localhost/home/foo"), "\\home\\foo"); + * ``` + * + * @param url The file URL to convert. + * @returns The path string. + */ function fromFileUrl(url) { + url = assertArg$3(url); + let path = decodeURIComponent(url.pathname.replace(/\//g, "\\").replace(/%(?![0-9A-Fa-f]{2})/g, "%25")).replace(/^\\*([A-Za-z]:)(\\|$)/, "$1\\"); + if (url.hostname !== "") { + // Note: The `URL` implementation guarantees that the drive letter and + // hostname are mutually exclusive. Otherwise it would not have been valid + // to append the hostname and path like this. + path = `\\\\${url.hostname}${path}`; + } + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the last portion of a `path`. + * Trailing directory separators are ignored, and optional suffix is removed. + * + * @example Usage + * ```ts + * import { basename } from "@std/path/windows/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("C:\\user\\Documents\\"), "Documents"); + * assertEquals(basename("C:\\user\\Documents\\image.png"), "image.png"); + * assertEquals(basename("C:\\user\\Documents\\image.png", ".png"), "image"); + * assertEquals(basename(new URL("file:///C:/user/Documents/image.png")), "image.png"); + * assertEquals(basename(new URL("file:///C:/user/Documents/image.png"), ".png"), "image"); + * ``` + * + * @param path The path to extract the name from. + * @param suffix The suffix to remove from extracted name. + * @returns The extracted name. + */ function basename(path, suffix = "") { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArgs$1(path, suffix); + // Check for a drive letter prefix so as not to mistake the following + // path separator as an extra separator at the end of the path that can be + // disregarded + let start = 0; + if (path.length >= 2) { + const drive = path.charCodeAt(0); + if (isWindowsDeviceRoot(drive)) { + if (path.charCodeAt(1) === CHAR_COLON) start = 2; + } + } + const lastSegment = lastPathSegment(path, isPathSeparator, start); + const strippedSegment = stripTrailingSeparators(lastSegment, isPathSeparator); + return suffix ? stripSuffix(strippedSegment, suffix) : strippedSegment; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * The character used to separate entries in the PATH environment variable. + */ const DELIMITER = ";"; +/** + * The character used to separate components of a file path. + */ const SEPARATOR = "\\"; +/** + * A regular expression that matches one or more path separators. + */ const SEPARATOR_PATTERN = /[\\/]+/; + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$2(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the directory path of a `path`. + * + * @example Usage + * ```ts + * import { dirname } from "@std/path/windows/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("C:\\foo\\bar\\baz.ext"), "C:\\foo\\bar"); + * assertEquals(dirname(new URL("file:///C:/foo/bar/baz.ext")), "C:\\foo\\bar"); + * ``` + * + * @param path The path to get the directory from. + * @returns The directory path. + */ function dirname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg$2(path); + const len = path.length; + let rootEnd = -1; + let end = -1; + let matchedSlash = true; + let offset = 0; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + rootEnd = offset = 1; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + return path; + } + if (j !== last) { + // We matched a UNC root with leftovers + // Offset by 1 to include the separator after the UNC root to + // treat it as a "normal root" on top of a (UNC) root + rootEnd = offset = j + 1; + } + } + } + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + rootEnd = offset = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) rootEnd = offset = 3; + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid + // unnecessary work + return path; + } + for(let i = len - 1; i >= offset; --i){ + if (isPathSeparator(path.charCodeAt(i))) { + if (!matchedSlash) { + end = i; + break; + } + } else { + // We saw the first non-path separator + matchedSlash = false; + } + } + if (end === -1) { + if (rootEnd === -1) return "."; + else end = rootEnd; + } + return stripTrailingSeparators(path.slice(0, end), isPosixPathSeparator); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the extension of the `path` with leading period. + * + * @example Usage + * ```ts + * import { extname } from "@std/path/windows/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("file.ts"), ".ts"); + * assertEquals(extname(new URL("file:///C:/foo/bar/baz.ext")), ".ext"); + * ``` + * + * @param path The path to get the extension from. + * @returns The extension of the `path`. + */ function extname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertPath(path); + let start = 0; + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Check for a drive letter prefix so as not to mistake the following + // path separator as an extra separator at the end of the path that can be + // disregarded + if (path.length >= 2 && path.charCodeAt(1) === CHAR_COLON && isWindowsDeviceRoot(path.charCodeAt(0))) { + start = startPart = 2; + } + for(let i = path.length - 1; i >= start; --i){ + const code = path.charCodeAt(i); + if (isPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + return ""; + } + return path.slice(startDot, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function _format(sep, pathObject) { + const dir = pathObject.dir || pathObject.root; + const base = pathObject.base || (pathObject.name ?? "") + (pathObject.ext ?? ""); + if (!dir) return base; + if (base === sep) return dir; + if (dir === pathObject.root) return dir + base; + return dir + sep + base; +} +function assertArg$1(pathObject) { + if (pathObject === null || typeof pathObject !== "object") { + throw new TypeError(`The "pathObject" argument must be of type Object, received type "${typeof pathObject}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Generate a path from `ParsedPath` object. + * + * @example Usage + * ```ts + * import { format } from "@std/path/windows/format"; + * import { assertEquals } from "@std/assert"; + * + * const path = format({ + * root: "C:\\", + * dir: "C:\\path\\dir", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * assertEquals(path, "C:\\path\\dir\\file.txt"); + * ``` + * + * @param pathObject The path object to format. + * @returns The formatted path. + */ function format(pathObject) { + assertArg$1(pathObject); + return _format("\\", pathObject); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Verifies whether provided path is absolute. + * + * @example Usage + * ```ts + * import { isAbsolute } from "@std/path/windows/is-absolute"; + * import { assert, assertFalse } from "@std/assert"; + * + * assert(isAbsolute("C:\\foo\\bar")); + * assertFalse(isAbsolute("..\\baz")); + * ``` + * + * @param path The path to verify. + * @returns `true` if the path is absolute, `false` otherwise. + */ function isAbsolute(path) { + assertPath(path); + const len = path.length; + if (len === 0) return false; + const code = path.charCodeAt(0); + if (isPathSeparator(code)) { + return true; + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (len > 2 && path.charCodeAt(1) === CHAR_COLON) { + if (isPathSeparator(path.charCodeAt(2))) return true; + } + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Resolves . and .. elements in a path with directory names +function normalizeString(path, allowAboveRoot, separator, isPathSeparator) { + let res = ""; + let lastSegmentLength = 0; + let lastSlash = -1; + let dots = 0; + let code; + for(let i = 0; i <= path.length; ++i){ + if (i < path.length) code = path.charCodeAt(i); + else if (isPathSeparator(code)) break; + else code = CHAR_FORWARD_SLASH; + if (isPathSeparator(code)) { + if (lastSlash === i - 1 || dots === 1) ; else if (lastSlash !== i - 1 && dots === 2) { + if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== CHAR_DOT || res.charCodeAt(res.length - 2) !== CHAR_DOT) { + if (res.length > 2) { + const lastSlashIndex = res.lastIndexOf(separator); + if (lastSlashIndex === -1) { + res = ""; + lastSegmentLength = 0; + } else { + res = res.slice(0, lastSlashIndex); + lastSegmentLength = res.length - 1 - res.lastIndexOf(separator); + } + lastSlash = i; + dots = 0; + continue; + } else if (res.length === 2 || res.length === 1) { + res = ""; + lastSegmentLength = 0; + lastSlash = i; + dots = 0; + continue; + } + } + if (allowAboveRoot) { + if (res.length > 0) res += `${separator}..`; + else res = ".."; + lastSegmentLength = 2; + } + } else { + if (res.length > 0) res += separator + path.slice(lastSlash + 1, i); + else res = path.slice(lastSlash + 1, i); + lastSegmentLength = i - lastSlash - 1; + } + lastSlash = i; + dots = 0; + } else if (code === CHAR_DOT && dots !== -1) { + ++dots; + } else { + dots = -1; + } + } + return res; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Normalize the `path`, resolving `'..'` and `'.'` segments. + * Note that resolving these segments does not necessarily mean that all will be eliminated. + * A `'..'` at the top-level will be preserved, and an empty path is canonically `'.'`. + * + * @example Usage + * ```ts + * import { normalize } from "@std/path/windows/normalize"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(normalize("C:\\foo\\..\\bar"), "C:\\bar"); + * assertEquals(normalize(new URL("file:///C:/foo/../bar")), "C:\\bar"); + * ``` + * + * @param path The path to normalize + * @returns The normalized path + */ function normalize(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg(path); + const len = path.length; + let rootEnd = 0; + let device; + let isAbsolute = false; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + // If we started with a separator, we know we at least have an absolute + // path of some kind (UNC or otherwise) + isAbsolute = true; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + const firstPart = path.slice(last, j); + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + // Return the normalized version of the UNC root since there + // is nothing left to process + return `\\\\${firstPart}\\${path.slice(last)}\\`; + } else if (j !== last) { + // We matched a UNC root with leftovers + device = `\\\\${firstPart}\\${path.slice(last, j)}`; + rootEnd = j; + } + } + } + } else { + rootEnd = 1; + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + device = path.slice(0, 2); + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + // Treat separator following drive name as an absolute path + // indicator + isAbsolute = true; + rootEnd = 3; + } + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid unnecessary + // work + return "\\"; + } + let tail; + if (rootEnd < len) { + tail = normalizeString(path.slice(rootEnd), !isAbsolute, "\\", isPathSeparator); + } else { + tail = ""; + } + if (tail.length === 0 && !isAbsolute) tail = "."; + if (tail.length > 0 && isPathSeparator(path.charCodeAt(len - 1))) { + tail += "\\"; + } + if (device === undefined) { + if (isAbsolute) { + if (tail.length > 0) return `\\${tail}`; + else return "\\"; + } + return tail; + } else if (isAbsolute) { + if (tail.length > 0) return `${device}\\${tail}`; + else return `${device}\\`; + } + return device + tail; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Join all given a sequence of `paths`,then normalizes the resulting path. + * + * @example Usage + * ```ts + * import { join } from "@std/path/windows/join"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(join("C:\\foo", "bar", "baz\\.."), "C:\\foo\\bar"); + * assertEquals(join(new URL("file:///C:/foo"), "bar", "baz\\.."), "C:\\foo\\bar"); + * ``` + * + * @param path The path to join. This can be string or file URL. + * @param paths The paths to join. + * @returns The joined path. + */ function join(path, ...paths) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + paths = path ? [ + path, + ...paths + ] : paths; + paths.forEach((path)=>assertPath(path)); + paths = paths.filter((path)=>path.length > 0); + if (paths.length === 0) return "."; + // Make sure that the joined path doesn't start with two slashes, because + // normalize() will mistake it for an UNC path then. + // + // This step is skipped when it is very clear that the user actually + // intended to point at an UNC path. This is assumed when the first + // non-empty string arguments starts with exactly two slashes followed by + // at least one more non-slash character. + // + // Note that for normalize() to treat a path as an UNC path it needs to + // have at least 2 components, so we don't filter for that here. + // This means that the user can use join to construct UNC paths from + // a server name and a share name; for example: + // path.join('//server', 'share') -> '\\\\server\\share\\' + let needsReplace = true; + let slashCount = 0; + const firstPart = paths[0]; + if (isPathSeparator(firstPart.charCodeAt(0))) { + ++slashCount; + const firstLen = firstPart.length; + if (firstLen > 1) { + if (isPathSeparator(firstPart.charCodeAt(1))) { + ++slashCount; + if (firstLen > 2) { + if (isPathSeparator(firstPart.charCodeAt(2))) ++slashCount; + else { + // We matched a UNC path in the first part + needsReplace = false; + } + } + } + } + } + let joined = paths.join("\\"); + if (needsReplace) { + // Find any more consecutive slashes we need to replace + for(; slashCount < joined.length; ++slashCount){ + if (!isPathSeparator(joined.charCodeAt(slashCount))) break; + } + // Replace the slashes if needed + if (slashCount >= 2) joined = `\\${joined.slice(slashCount)}`; + } + return normalize(joined); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return a `ParsedPath` object of the `path`. + * + * @example Usage + * ```ts + * import { parse } from "@std/path/windows/parse"; + * import { assertEquals } from "@std/assert"; + * + * const parsed = parse("C:\\foo\\bar\\baz.ext"); + * assertEquals(parsed, { + * root: "C:\\", + * dir: "C:\\foo\\bar", + * base: "baz.ext", + * ext: ".ext", + * name: "baz", + * }); + * ``` + * + * @param path The path to parse. + * @returns The `ParsedPath` object. + */ function parse(path) { + assertPath(path); + const ret = { + root: "", + dir: "", + base: "", + ext: "", + name: "" + }; + const len = path.length; + if (len === 0) return ret; + let rootEnd = 0; + let code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + rootEnd = 1; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + rootEnd = j; + } else if (j !== last) { + // We matched a UNC root with leftovers + rootEnd = j + 1; + } + } + } + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + if (len === 3) { + // `path` contains just a drive root, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + ret.base = "\\"; + return ret; + } + rootEnd = 3; + } + } else { + // `path` contains just a relative drive root, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + return ret; + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + ret.base = "\\"; + return ret; + } + if (rootEnd > 0) ret.root = path.slice(0, rootEnd); + let startDot = -1; + let startPart = rootEnd; + let end = -1; + let matchedSlash = true; + let i = path.length - 1; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Get non-dir info + for(; i >= rootEnd; --i){ + code = path.charCodeAt(i); + if (isPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + if (end !== -1) { + ret.base = ret.name = path.slice(startPart, end); + } + } else { + ret.name = path.slice(startPart, startDot); + ret.base = path.slice(startPart, end); + ret.ext = path.slice(startDot, end); + } + // Fallback to '\' in case there is no basename + ret.base = ret.base || "\\"; + // If the directory is the root, use the entire root as the `dir` including + // the trailing slash if any (`C:\abc` -> `C:\`). Otherwise, strip out the + // trailing slash (`C:\abc\def` -> `C:\abc`). + if (startPart > 0 && startPart !== rootEnd) { + ret.dir = path.slice(0, startPart - 1); + } else ret.dir = ret.root; + return ret; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path segments into a `path`. + * + * @example Usage + * ```ts + * import { resolve } from "@std/path/windows/resolve"; + * import { assertEquals } from "@std/assert"; + * + * const resolved = resolve("C:\\foo\\bar", "..\\baz"); + * assertEquals(resolved, "C:\\foo\\baz"); + * ``` + * + * @param pathSegments The path segments to process to path + * @returns The resolved path + */ function resolve(...pathSegments) { + let resolvedDevice = ""; + let resolvedTail = ""; + let resolvedAbsolute = false; + for(let i = pathSegments.length - 1; i >= -1; i--){ + let path; + // deno-lint-ignore no-explicit-any + const { Deno } = globalThis; + if (i >= 0) { + path = pathSegments[i]; + } else if (!resolvedDevice) { + if (typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a drive-letter-less path without a current working directory (CWD)"); + } + path = Deno.cwd(); + } else { + if (typeof Deno?.env?.get !== "function" || typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a relative path without a current working directory (CWD)"); + } + path = Deno.cwd(); + // Verify that a cwd was found and that it actually points + // to our drive. If not, default to the drive's root. + if (path === undefined || path.slice(0, 3).toLowerCase() !== `${resolvedDevice.toLowerCase()}\\`) { + path = `${resolvedDevice}\\`; + } + } + assertPath(path); + const len = path.length; + // Skip empty entries + if (len === 0) continue; + let rootEnd = 0; + let device = ""; + let isAbsolute = false; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + // If we started with a separator, we know we at least have an + // absolute path of some kind (UNC or otherwise) + isAbsolute = true; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + const firstPart = path.slice(last, j); + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + device = `\\\\${firstPart}\\${path.slice(last)}`; + rootEnd = j; + } else if (j !== last) { + // We matched a UNC root with leftovers + device = `\\\\${firstPart}\\${path.slice(last, j)}`; + rootEnd = j; + } + } + } + } else { + rootEnd = 1; + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + device = path.slice(0, 2); + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + // Treat separator following drive name as an absolute path + // indicator + isAbsolute = true; + rootEnd = 3; + } + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator + rootEnd = 1; + isAbsolute = true; + } + if (device.length > 0 && resolvedDevice.length > 0 && device.toLowerCase() !== resolvedDevice.toLowerCase()) { + continue; + } + if (resolvedDevice.length === 0 && device.length > 0) { + resolvedDevice = device; + } + if (!resolvedAbsolute) { + resolvedTail = `${path.slice(rootEnd)}\\${resolvedTail}`; + resolvedAbsolute = isAbsolute; + } + if (resolvedAbsolute && resolvedDevice.length > 0) break; + } + // At this point the path should be resolved to a full absolute path, + // but handle relative paths to be safe (might happen when Deno.cwd() + // fails) + // Normalize the tail path + resolvedTail = normalizeString(resolvedTail, !resolvedAbsolute, "\\", isPathSeparator); + return resolvedDevice + (resolvedAbsolute ? "\\" : "") + resolvedTail || "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArgs(from, to) { + assertPath(from); + assertPath(to); + if (from === to) return ""; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the relative path from `from` to `to` based on current working directory. + * + * An example in windws, for instance: + * from = 'C:\\orandea\\test\\aaa' + * to = 'C:\\orandea\\impl\\bbb' + * The output of the function should be: '..\\..\\impl\\bbb' + * + * @example Usage + * ```ts + * import { relative } from "@std/path/windows/relative"; + * import { assertEquals } from "@std/assert"; + * + * const relativePath = relative("C:\\foobar\\test\\aaa", "C:\\foobar\\impl\\bbb"); + * assertEquals(relativePath, "..\\..\\impl\\bbb"); + * ``` + * + * @param from The path from which to calculate the relative path + * @param to The path to which to calculate the relative path + * @returns The relative path from `from` to `to` + */ function relative(from, to) { + assertArgs(from, to); + const fromOrig = resolve(from); + const toOrig = resolve(to); + if (fromOrig === toOrig) return ""; + from = fromOrig.toLowerCase(); + to = toOrig.toLowerCase(); + if (from === to) return ""; + // Trim any leading backslashes + let fromStart = 0; + let fromEnd = from.length; + for(; fromStart < fromEnd; ++fromStart){ + if (from.charCodeAt(fromStart) !== CHAR_BACKWARD_SLASH) break; + } + // Trim trailing backslashes (applicable to UNC paths only) + for(; fromEnd - 1 > fromStart; --fromEnd){ + if (from.charCodeAt(fromEnd - 1) !== CHAR_BACKWARD_SLASH) break; + } + const fromLen = fromEnd - fromStart; + // Trim any leading backslashes + let toStart = 0; + let toEnd = to.length; + for(; toStart < toEnd; ++toStart){ + if (to.charCodeAt(toStart) !== CHAR_BACKWARD_SLASH) break; + } + // Trim trailing backslashes (applicable to UNC paths only) + for(; toEnd - 1 > toStart; --toEnd){ + if (to.charCodeAt(toEnd - 1) !== CHAR_BACKWARD_SLASH) break; + } + const toLen = toEnd - toStart; + // Compare paths to find the longest common path from root + const length = fromLen < toLen ? fromLen : toLen; + let lastCommonSep = -1; + let i = 0; + for(; i <= length; ++i){ + if (i === length) { + if (toLen > length) { + if (to.charCodeAt(toStart + i) === CHAR_BACKWARD_SLASH) { + // We get here if `from` is the exact base path for `to`. + // For example: from='C:\\foo\\bar'; to='C:\\foo\\bar\\baz' + return toOrig.slice(toStart + i + 1); + } else if (i === 2) { + // We get here if `from` is the device root. + // For example: from='C:\\'; to='C:\\foo' + return toOrig.slice(toStart + i); + } + } + if (fromLen > length) { + if (from.charCodeAt(fromStart + i) === CHAR_BACKWARD_SLASH) { + // We get here if `to` is the exact base path for `from`. + // For example: from='C:\\foo\\bar'; to='C:\\foo' + lastCommonSep = i; + } else if (i === 2) { + // We get here if `to` is the device root. + // For example: from='C:\\foo\\bar'; to='C:\\' + lastCommonSep = 3; + } + } + break; + } + const fromCode = from.charCodeAt(fromStart + i); + const toCode = to.charCodeAt(toStart + i); + if (fromCode !== toCode) break; + else if (fromCode === CHAR_BACKWARD_SLASH) lastCommonSep = i; + } + // We found a mismatch before the first common path separator was seen, so + // return the original `to`. + if (i !== length && lastCommonSep === -1) { + return toOrig; + } + let out = ""; + if (lastCommonSep === -1) lastCommonSep = 0; + // Generate the relative path based on the path difference between `to` and + // `from` + for(i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i){ + if (i === fromEnd || from.charCodeAt(i) === CHAR_BACKWARD_SLASH) { + if (out.length === 0) out += ".."; + else out += "\\.."; + } + } + // Lastly, append the rest of the destination (`to`) path that comes after + // the common path parts + if (out.length > 0) { + return out + toOrig.slice(toStart + lastCommonSep, toEnd); + } else { + toStart += lastCommonSep; + if (toOrig.charCodeAt(toStart) === CHAR_BACKWARD_SLASH) ++toStart; + return toOrig.slice(toStart, toEnd); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const WHITESPACE_ENCODINGS = { + "\u0009": "%09", + "\u000A": "%0A", + "\u000B": "%0B", + "\u000C": "%0C", + "\u000D": "%0D", + "\u0020": "%20" +}; +function encodeWhitespace(string) { + return string.replaceAll(/[\s]/g, (c)=>{ + return WHITESPACE_ENCODINGS[c] ?? c; + }); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path string to a file URL. + * + * @example Usage + * ```ts + * import { toFileUrl } from "@std/path/windows/to-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toFileUrl("\\home\\foo"), new URL("file:///home/foo")); + * assertEquals(toFileUrl("C:\\Users\\foo"), new URL("file:///C:/Users/foo")); + * assertEquals(toFileUrl("\\\\127.0.0.1\\home\\foo"), new URL("file://127.0.0.1/home/foo")); + * ``` + * @param path The path to convert. + * @returns The file URL. + */ function toFileUrl(path) { + if (!isAbsolute(path)) { + throw new TypeError(`Path must be absolute: received "${path}"`); + } + const [, hostname, pathname] = path.match(/^(?:[/\\]{2}([^/\\]+)(?=[/\\](?:[^/\\]|$)))?(.*)/); + const url = new URL("file:///"); + url.pathname = encodeWhitespace(pathname.replace(/%/g, "%25")); + if (hostname !== undefined && hostname !== "localhost") { + url.hostname = hostname; + if (!url.hostname) { + throw new TypeError(`Invalid hostname: "${url.hostname}"`); + } + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path to a namespace path + * + * @example Usage + * ```ts + * import { toNamespacedPath } from "@std/path/windows/to-namespaced-path"; + * import { assertEquals } from "@std/assert"; + * + * const namespaced = toNamespacedPath("C:\\foo\\bar"); + * assertEquals(namespaced, "\\\\?\\C:\\foo\\bar"); + * ``` + * + * @param path The path to resolve to namespaced path + * @returns The resolved namespaced path + */ function toNamespacedPath(path) { + // Note: this will *probably* throw somewhere. + if (typeof path !== "string") return path; + if (path.length === 0) return ""; + const resolvedPath = resolve(path); + if (resolvedPath.length >= 3) { + if (resolvedPath.charCodeAt(0) === CHAR_BACKWARD_SLASH) { + // Possible UNC root + if (resolvedPath.charCodeAt(1) === CHAR_BACKWARD_SLASH) { + const code = resolvedPath.charCodeAt(2); + if (code !== CHAR_QUESTION_MARK && code !== CHAR_DOT) { + // Matched non-long UNC root, convert the path to a long UNC path + return `\\\\?\\UNC\\${resolvedPath.slice(2)}`; + } + } + } else if (isWindowsDeviceRoot(resolvedPath.charCodeAt(0))) { + // Possible device root + if (resolvedPath.charCodeAt(1) === CHAR_COLON && resolvedPath.charCodeAt(2) === CHAR_BACKWARD_SLASH) { + // Matched device root, convert the path to a long UNC path + return `\\\\?\\${resolvedPath}`; + } + } + } + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function common$1(paths, sep) { + const [first = "", ...remaining] = paths; + const parts = first.split(sep); + let endOfPrefix = parts.length; + let append = ""; + for (const path of remaining){ + const compare = path.split(sep); + if (compare.length <= endOfPrefix) { + endOfPrefix = compare.length; + append = ""; + } + for(let i = 0; i < endOfPrefix; i++){ + if (compare[i] !== parts[i]) { + endOfPrefix = i; + append = i === 0 ? "" : sep; + break; + } + } + } + return parts.slice(0, endOfPrefix).join(sep) + append; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Determines the common path from a set of paths for Windows systems. + * + * @example Usage + * ```ts + * import { common } from "@std/path/windows/common"; + * import { assertEquals } from "@std/assert"; + * + * const path = common([ + * "C:\\foo\\bar", + * "C:\\foo\\baz", + * ]); + * assertEquals(path, "C:\\foo\\"); + * ``` + * + * @param paths The paths to compare. + * @returns The common path. + */ function common(paths) { + return common$1(paths, SEPARATOR); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Options for {@linkcode globToRegExp}, {@linkcode joinGlobs}, + * {@linkcode normalizeGlob} and {@linkcode expandGlob}. + */ const REG_EXP_ESCAPE_CHARS = [ + "!", + "$", + "(", + ")", + "*", + "+", + ".", + "=", + "?", + "[", + "\\", + "^", + "{", + "|" +]; +const RANGE_ESCAPE_CHARS = [ + "-", + "\\", + "]" +]; +function _globToRegExp(c, glob, { extended = true, globstar: globstarOption = true, // os = osType, +caseInsensitive = false } = {}) { + if (glob === "") { + return /(?!)/; + } + // Remove trailing separators. + let newLength = glob.length; + for(; newLength > 1 && c.seps.includes(glob[newLength - 1]); newLength--); + glob = glob.slice(0, newLength); + let regExpString = ""; + // Terminates correctly. Trust that `j` is incremented every iteration. + for(let j = 0; j < glob.length;){ + let segment = ""; + const groupStack = []; + let inRange = false; + let inEscape = false; + let endsWithSep = false; + let i = j; + // Terminates with `i` at the non-inclusive end of the current segment. + for(; i < glob.length && !c.seps.includes(glob[i]); i++){ + if (inEscape) { + inEscape = false; + const escapeChars = inRange ? RANGE_ESCAPE_CHARS : REG_EXP_ESCAPE_CHARS; + segment += escapeChars.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + continue; + } + if (glob[i] === c.escapePrefix) { + inEscape = true; + continue; + } + if (glob[i] === "[") { + if (!inRange) { + inRange = true; + segment += "["; + if (glob[i + 1] === "!") { + i++; + segment += "^"; + } else if (glob[i + 1] === "^") { + i++; + segment += "\\^"; + } + continue; + } else if (glob[i + 1] === ":") { + let k = i + 1; + let value = ""; + while(glob[k + 1] !== undefined && glob[k + 1] !== ":"){ + value += glob[k + 1]; + k++; + } + if (glob[k + 1] === ":" && glob[k + 2] === "]") { + i = k + 2; + if (value === "alnum") segment += "\\dA-Za-z"; + else if (value === "alpha") segment += "A-Za-z"; + else if (value === "ascii") segment += "\x00-\x7F"; + else if (value === "blank") segment += "\t "; + else if (value === "cntrl") segment += "\x00-\x1F\x7F"; + else if (value === "digit") segment += "\\d"; + else if (value === "graph") segment += "\x21-\x7E"; + else if (value === "lower") segment += "a-z"; + else if (value === "print") segment += "\x20-\x7E"; + else if (value === "punct") { + segment += "!\"#$%&'()*+,\\-./:;<=>?@[\\\\\\]^_‘{|}~"; + } else if (value === "space") segment += "\\s\v"; + else if (value === "upper") segment += "A-Z"; + else if (value === "word") segment += "\\w"; + else if (value === "xdigit") segment += "\\dA-Fa-f"; + continue; + } + } + } + if (glob[i] === "]" && inRange) { + inRange = false; + segment += "]"; + continue; + } + if (inRange) { + segment += glob[i]; + continue; + } + if (glob[i] === ")" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += ")"; + const type = groupStack.pop(); + if (type === "!") { + segment += c.wildcard; + } else if (type !== "@") { + segment += type; + } + continue; + } + if (glob[i] === "|" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "+" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("+"); + segment += "(?:"; + continue; + } + if (glob[i] === "@" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("@"); + segment += "(?:"; + continue; + } + if (glob[i] === "?") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("?"); + segment += "(?:"; + } else { + segment += "."; + } + continue; + } + if (glob[i] === "!" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("!"); + segment += "(?!"; + continue; + } + if (glob[i] === "{") { + groupStack.push("BRACE"); + segment += "(?:"; + continue; + } + if (glob[i] === "}" && groupStack[groupStack.length - 1] === "BRACE") { + groupStack.pop(); + segment += ")"; + continue; + } + if (glob[i] === "," && groupStack[groupStack.length - 1] === "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "*") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("*"); + segment += "(?:"; + } else { + const prevChar = glob[i - 1]; + let numStars = 1; + while(glob[i + 1] === "*"){ + i++; + numStars++; + } + const nextChar = glob[i + 1]; + if (globstarOption && numStars === 2 && [ + ...c.seps, + undefined + ].includes(prevChar) && [ + ...c.seps, + undefined + ].includes(nextChar)) { + segment += c.globstar; + endsWithSep = true; + } else { + segment += c.wildcard; + } + } + continue; + } + segment += REG_EXP_ESCAPE_CHARS.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + } + // Check for unclosed groups or a dangling backslash. + if (groupStack.length > 0 || inRange || inEscape) { + // Parse failure. Take all characters from this segment literally. + segment = ""; + for (const c of glob.slice(j, i)){ + segment += REG_EXP_ESCAPE_CHARS.includes(c) ? `\\${c}` : c; + endsWithSep = false; + } + } + regExpString += segment; + if (!endsWithSep) { + regExpString += i < glob.length ? c.sep : c.sepMaybe; + endsWithSep = true; + } + // Terminates with `i` at the start of the next segment. + while(c.seps.includes(glob[i]))i++; + j = i; + } + regExpString = `^${regExpString}$`; + return new RegExp(regExpString, caseInsensitive ? "i" : ""); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const constants = { + sep: "(?:\\\\|/)+", + sepMaybe: "(?:\\\\|/)*", + seps: [ + "\\", + "/" + ], + globstar: "(?:[^\\\\/]*(?:\\\\|/|$)+)*", + wildcard: "[^\\\\/]*", + escapePrefix: "`" +}; +/** Convert a glob string to a regular expression. + * + * Tries to match bash glob expansion as closely as possible. + * + * Basic glob syntax: + * - `*` - Matches everything without leaving the path segment. + * - `?` - Matches any single character. + * - `{foo,bar}` - Matches `foo` or `bar`. + * - `[abcd]` - Matches `a`, `b`, `c` or `d`. + * - `[a-d]` - Matches `a`, `b`, `c` or `d`. + * - `[!abcd]` - Matches any single character besides `a`, `b`, `c` or `d`. + * - `[[::]]` - Matches any character belonging to ``. + * - `[[:alnum:]]` - Matches any digit or letter. + * - `[[:digit:]abc]` - Matches any digit, `a`, `b` or `c`. + * - See https://facelessuser.github.io/wcmatch/glob/#posix-character-classes + * for a complete list of supported character classes. + * - `\` - Escapes the next character for an `os` other than `"windows"`. + * - \` - Escapes the next character for `os` set to `"windows"`. + * - `/` - Path separator. + * - `\` - Additional path separator only for `os` set to `"windows"`. + * + * Extended syntax: + * - Requires `{ extended: true }`. + * - `?(foo|bar)` - Matches 0 or 1 instance of `{foo,bar}`. + * - `@(foo|bar)` - Matches 1 instance of `{foo,bar}`. They behave the same. + * - `*(foo|bar)` - Matches _n_ instances of `{foo,bar}`. + * - `+(foo|bar)` - Matches _n > 0_ instances of `{foo,bar}`. + * - `!(foo|bar)` - Matches anything other than `{foo,bar}`. + * - See https://www.linuxjournal.com/content/bash-extended-globbing. + * + * Globstar syntax: + * - Requires `{ globstar: true }`. + * - `**` - Matches any number of any path segments. + * - Must comprise its entire path segment in the provided glob. + * - See https://www.linuxjournal.com/content/globstar-new-bash-globbing-option. + * + * Note the following properties: + * - The generated `RegExp` is anchored at both start and end. + * - Repeating and trailing separators are tolerated. Trailing separators in the + * provided glob have no meaning and are discarded. + * - Absolute globs will only match absolute paths, etc. + * - Empty globs will match nothing. + * - Any special glob syntax must be contained to one path segment. For example, + * `?(foo|bar/baz)` is invalid. The separator will take precedence and the + * first segment ends with an unclosed group. + * - If a path segment ends with unclosed groups or a dangling escape prefix, a + * parse error has occurred. Every character for that segment is taken + * literally in this event. + * + * Limitations: + * - A negative group like `!(foo|bar)` will wrongly be converted to a negative + * look-ahead followed by a wildcard. This means that `!(foo).js` will wrongly + * fail to match `foobar.js`, even though `foobar` is not `foo`. Effectively, + * `!(foo|bar)` is treated like `!(@(foo|bar)*)`. This will work correctly if + * the group occurs not nested at the end of the segment. + * + * @example Usage + * ```ts + * import { globToRegExp } from "@std/path/windows/glob-to-regexp"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(globToRegExp("*.js"), /^[^\\/]*\.js(?:\\|\/)*$/); + * ``` + * + * @param glob Glob string to convert. + * @param options Conversion options. + * @returns The regular expression equivalent to the glob. + */ function globToRegExp(glob, options = {}) { + return _globToRegExp(constants, glob, options); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Test whether the given string is a glob. + * + * @example Usage + * ```ts + * import { isGlob } from "@std/path/is-glob"; + * import { assert } from "@std/assert"; + * + * assert(!isGlob("foo/bar/../baz")); + * assert(isGlob("foo/*ar/../baz")); + * ``` + * + * @param str String to test. + * @returns `true` if the given string is a glob, otherwise `false` + */ function isGlob(str) { + const chars = { + "{": "}", + "(": ")", + "[": "]" + }; + const regex = /\\(.)|(^!|\*|\?|[\].+)]\?|\[[^[\\\]]+\]|\{[^{\\}]+\}|\(\?[:!=][^\\)]+\)|\([^(|]+\|[^\\)]+\))/; + if (str === "") { + return false; + } + let match; + while(match = regex.exec(str)){ + if (match[2]) return true; + let idx = match.index + match[0].length; + // if an open bracket/brace/paren is escaped, + // set the index to the next closing character + const open = match[1]; + const close = open ? chars[open] : null; + if (open && close) { + const n = str.indexOf(close, idx); + if (n !== -1) { + idx = n + 1; + } + } + str = str.slice(idx); + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like normalize(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { normalizeGlob } from "@std/path/windows/normalize-glob"; + * import { assertEquals } from "@std/assert"; + * + * const normalized = normalizeGlob("**\\foo\\..\\bar", { globstar: true }); + * assertEquals(normalized, "**\\bar"); + * ``` + * + * @param glob The glob pattern to normalize. + * @param options The options for glob pattern. + * @returns The normalized glob pattern. + */ function normalizeGlob(glob, options = {}) { + const { globstar = false } = options; + if (glob.match(/\0/g)) { + throw new Error(`Glob contains invalid characters: "${glob}"`); + } + if (!globstar) { + return normalize(glob); + } + const s = SEPARATOR_PATTERN.source; + const badParentPattern = new RegExp(`(?<=(${s}|^)\\*\\*${s})\\.\\.(?=${s}|$)`, "g"); + return normalize(glob.replace(badParentPattern, "\0")).replace(/\0/g, ".."); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like join(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * + * ```ts + * import { joinGlobs } from "@std/path/windows/join-globs"; + * import { assertEquals } from "@std/assert"; + * + * const joined = joinGlobs(["foo", "**", "bar"], { globstar: true }); + * assertEquals(joined, "foo\\**\\bar"); + * ``` + * + * @param globs The globs to join. + * @param options The options for glob pattern. + * @returns The joined glob pattern. + */ function joinGlobs(globs, options = {}) { + const { globstar = false } = options; + if (!globstar || globs.length === 0) { + return join(...globs); + } + let joined; + for (const glob of globs){ + const path = glob; + if (path.length > 0) { + if (!joined) joined = path; + else joined += `${SEPARATOR}${path}`; + } + } + if (!joined) return "."; + return normalizeGlob(joined, { + globstar + }); +} + +exports.DELIMITER = DELIMITER; +exports.SEPARATOR = SEPARATOR; +exports.SEPARATOR_PATTERN = SEPARATOR_PATTERN; +exports.basename = basename; +exports.common = common; +exports.dirname = dirname; +exports.extname = extname; +exports.format = format; +exports.fromFileUrl = fromFileUrl; +exports.globToRegExp = globToRegExp; +exports.isAbsolute = isAbsolute; +exports.isGlob = isGlob; +exports.join = join; +exports.joinGlobs = joinGlobs; +exports.normalize = normalize; +exports.normalizeGlob = normalizeGlob; +exports.parse = parse; +exports.relative = relative; +exports.resolve = resolve; +exports.toFileUrl = toFileUrl; +exports.toNamespacedPath = toNamespacedPath; diff --git a/module/node_modules/@eslint/config-array/dist/cjs/types.cts b/module/node_modules/@eslint/config-array/dist/cjs/types.cts new file mode 100644 index 000000000..eea2e47f3 --- /dev/null +++ b/module/node_modules/@eslint/config-array/dist/cjs/types.cts @@ -0,0 +1,29 @@ +/** + * @fileoverview Types for the config-array package. + * @author Nicholas C. Zakas + */ + +export interface ConfigObject { + /** + * The base path for files and ignores. + */ + basePath?: string; + + /** + * The files to include. + */ + files?: string[]; + + /** + * The files to exclude. + */ + ignores?: string[]; + + /** + * The name of the config object. + */ + name?: string; + + // may also have any number of other properties + [key: string]: unknown; +} diff --git a/module/node_modules/@eslint/config-array/dist/esm/index.d.ts b/module/node_modules/@eslint/config-array/dist/esm/index.d.ts new file mode 100644 index 000000000..f40e6a9f7 --- /dev/null +++ b/module/node_modules/@eslint/config-array/dist/esm/index.d.ts @@ -0,0 +1,145 @@ +export { ObjectSchema } from "@eslint/object-schema"; +export type PropertyDefinition = $eslintobjectschema.PropertyDefinition; +export type ObjectDefinition = $eslintobjectschema.ObjectDefinition; +export type ConfigObject = $typests.ConfigObject; +export type IMinimatchStatic = minimatch.IMinimatchStatic; +export type IMinimatch = minimatch.IMinimatch; +export type ObjectSchemaInstance = ObjectSchema; +/** + * Represents an array of config objects and provides method for working with + * those config objects. + */ +export class ConfigArray extends Array { + /** + * Creates a new instance of ConfigArray. + * @param {Iterable|Function|Object} configs An iterable yielding config + * objects, or a config function, or a config object. + * @param {Object} options The options for the ConfigArray. + * @param {string} [options.basePath="/"] The absolute path of the config file directory. + * Defaults to `"/"`. + * @param {boolean} [options.normalized=false] Flag indicating if the + * configs have already been normalized. + * @param {Object} [options.schema] The additional schema + * definitions to use for the ConfigArray schema. + * @param {Array} [options.extraConfigTypes] List of config types supported. + * @throws {TypeError} When the `basePath` is not a non-empty string, + */ + constructor(configs: Iterable | Function | any, { basePath, normalized, schema: customSchema, extraConfigTypes, }?: { + basePath?: string; + normalized?: boolean; + schema?: any; + extraConfigTypes?: Array; + }); + /** + * The path of the config file that this array was loaded from. + * This is used to calculate filename matches. + * @property basePath + * @type {string} + */ + basePath: string; + /** + * The supported config types. + * @type {Array} + */ + extraConfigTypes: Array; + /** + * Returns the `files` globs from every config object in the array. + * This can be used to determine which files will be matched by a + * config array or to use as a glob pattern when no patterns are provided + * for a command line interface. + * @returns {Array} An array of matchers. + */ + get files(): Array; + /** + * Returns ignore matchers that should always be ignored regardless of + * the matching `files` fields in any configs. This is necessary to mimic + * the behavior of things like .gitignore and .eslintignore, allowing a + * globbing operation to be faster. + * @returns {Object[]} An array of config objects representing global ignores. + */ + get ignores(): any[]; + /** + * Indicates if the config array has been normalized. + * @returns {boolean} True if the config array is normalized, false if not. + */ + isNormalized(): boolean; + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {Promise} The current ConfigArray instance. + */ + normalize(context?: any): Promise; + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {ConfigArray} The current ConfigArray instance. + */ + normalizeSync(context?: any): ConfigArray; + /** + * Returns the config object for a given file path and a status that can be used to determine why a file has no config. + * @param {string} filePath The path of a file to get a config for. + * @returns {{ config?: Object, status: "ignored"|"external"|"unconfigured"|"matched" }} + * An object with an optional property `config` and property `status`. + * `config` is the config object for the specified file as returned by {@linkcode ConfigArray.getConfig}, + * `status` a is one of the constants returned by {@linkcode ConfigArray.getConfigStatus}. + */ + getConfigWithStatus(filePath: string): { + config?: any; + status: "ignored" | "external" | "unconfigured" | "matched"; + }; + /** + * Returns the config object for a given file path. + * @param {string} filePath The path of a file to get a config for. + * @returns {Object|undefined} The config object for this file or `undefined`. + */ + getConfig(filePath: string): any | undefined; + /** + * Determines whether a file has a config or why it doesn't. + * @param {string} filePath The path of the file to check. + * @returns {"ignored"|"external"|"unconfigured"|"matched"} One of the following values: + * * `"ignored"`: the file is ignored + * * `"external"`: the file is outside the base path + * * `"unconfigured"`: the file is not matched by any config + * * `"matched"`: the file has a matching config + */ + getConfigStatus(filePath: string): "ignored" | "external" | "unconfigured" | "matched"; + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + * @deprecated Use `isFileIgnored` instead. + */ + isIgnored(filePath: string): boolean; + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + */ + isFileIgnored(filePath: string): boolean; + /** + * Determines if the given directory is ignored based on the configs. + * This checks only default `ignores` that don't have `files` in the + * same config. A pattern such as `/foo` be considered to ignore the directory + * while a pattern such as `/foo/**` is not considered to ignore the + * directory because it is matching files. + * @param {string} directoryPath The path of a directory to check. + * @returns {boolean} True if the directory is ignored, false if not. Will + * return true for any directory that is not inside of `basePath`. + * @throws {Error} When the `ConfigArray` is not normalized. + */ + isDirectoryIgnored(directoryPath: string): boolean; + #private; +} +export namespace ConfigArraySymbol { + let isNormalized: symbol; + let configCache: symbol; + let schema: symbol; + let finalizeConfig: symbol; + let preprocessConfig: symbol; +} +import type * as $eslintobjectschema from "@eslint/object-schema"; +import type * as $typests from "./types.ts"; +import minimatch from 'minimatch'; +import { ObjectSchema } from '@eslint/object-schema'; diff --git a/module/node_modules/@eslint/config-array/dist/esm/index.js b/module/node_modules/@eslint/config-array/dist/esm/index.js new file mode 100644 index 000000000..52db07de3 --- /dev/null +++ b/module/node_modules/@eslint/config-array/dist/esm/index.js @@ -0,0 +1,1514 @@ +// @ts-self-types="./index.d.ts" +import * as posixPath from './std__path/posix.js'; +import * as windowsPath from './std__path/windows.js'; +import minimatch from 'minimatch'; +import createDebug from 'debug'; +import { ObjectSchema } from '@eslint/object-schema'; +export { ObjectSchema } from '@eslint/object-schema'; + +/** + * @fileoverview ConfigSchema + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @import * as $eslintobjectschema from "@eslint/object-schema"; */ +/** @typedef {$eslintobjectschema.PropertyDefinition} PropertyDefinition */ +/** @typedef {$eslintobjectschema.ObjectDefinition} ObjectDefinition */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * A strategy that does nothing. + * @type {PropertyDefinition} + */ +const NOOP_STRATEGY = { + required: false, + merge() { + return undefined; + }, + validate() {}, +}; + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The base schema that every ConfigArray uses. + * @type {ObjectDefinition} + */ +const baseSchema = Object.freeze({ + name: { + required: false, + merge() { + return undefined; + }, + validate(value) { + if (typeof value !== "string") { + throw new TypeError("Property must be a string."); + } + }, + }, + basePath: NOOP_STRATEGY, + files: NOOP_STRATEGY, + ignores: NOOP_STRATEGY, +}); + +/** + * @fileoverview ConfigSchema + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Asserts that a given value is an array. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array. + */ +function assertIsArray(value) { + if (!Array.isArray(value)) { + throw new TypeError("Expected value to be an array."); + } +} + +/** + * Asserts that a given value is an array containing only strings and functions. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array of strings and functions. + */ +function assertIsArrayOfStringsAndFunctions(value) { + assertIsArray(value); + + if ( + value.some( + item => typeof item !== "string" && typeof item !== "function", + ) + ) { + throw new TypeError( + "Expected array to only contain strings and functions.", + ); + } +} + +/** + * Asserts that a given value is a non-empty array. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array or an empty array. + */ +function assertIsNonEmptyArray(value) { + if (!Array.isArray(value) || value.length === 0) { + throw new TypeError("Expected value to be a non-empty array."); + } +} + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The schema for `files` and `ignores` that every ConfigArray uses. + * @type {ObjectDefinition} + */ +const filesAndIgnoresSchema = Object.freeze({ + basePath: { + required: false, + merge() { + return undefined; + }, + validate(value) { + if (typeof value !== "string") { + throw new TypeError("Expected value to be a string."); + } + }, + }, + files: { + required: false, + merge() { + return undefined; + }, + validate(value) { + // first check if it's an array + assertIsNonEmptyArray(value); + + // then check each member + value.forEach(item => { + if (Array.isArray(item)) { + assertIsArrayOfStringsAndFunctions(item); + } else if ( + typeof item !== "string" && + typeof item !== "function" + ) { + throw new TypeError( + "Items must be a string, a function, or an array of strings and functions.", + ); + } + }); + }, + }, + ignores: { + required: false, + merge() { + return undefined; + }, + validate: assertIsArrayOfStringsAndFunctions, + }, +}); + +/** + * @fileoverview ConfigArray + * @author Nicholas C. Zakas + */ + + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.ConfigObject} ConfigObject */ +/** @import * as $minimatch from "minimatch"; */ +/** @typedef {$minimatch.IMinimatchStatic} IMinimatchStatic */ +/** @typedef {$minimatch.IMinimatch} IMinimatch */ +/** @import * as PathImpl from "@jsr/std__path" */ + +/* + * This is a bit of a hack to make TypeScript happy with the Rollup-created + * CommonJS file. Rollup doesn't do object destructuring for imported files + * and instead imports the default via `require()`. This messes up type checking + * for `ObjectSchema`. To work around that, we just import the type manually + * and give it a different name to use in the JSDoc comments. + */ +/** @typedef {ObjectSchema} ObjectSchemaInstance */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const Minimatch = minimatch.Minimatch; +const debug = createDebug("@eslint/config-array"); + +/** + * A cache for minimatch instances. + * @type {Map} + */ +const minimatchCache = new Map(); + +/** + * A cache for negated minimatch instances. + * @type {Map} + */ +const negatedMinimatchCache = new Map(); + +/** + * Options to use with minimatch. + * @type {Object} + */ +const MINIMATCH_OPTIONS = { + // matchBase: true, + dot: true, + allowWindowsEscape: true, +}; + +/** + * The types of config objects that are supported. + * @type {Set} + */ +const CONFIG_TYPES = new Set(["array", "function"]); + +/** + * Fields that are considered metadata and not part of the config object. + * @type {Set} + */ +const META_FIELDS = new Set(["name", "basePath"]); + +/** + * A schema containing just files and ignores for early validation. + * @type {ObjectSchemaInstance} + */ +const FILES_AND_IGNORES_SCHEMA = new ObjectSchema(filesAndIgnoresSchema); + +// Precomputed constant objects returned by `ConfigArray.getConfigWithStatus`. + +const CONFIG_WITH_STATUS_EXTERNAL = Object.freeze({ status: "external" }); +const CONFIG_WITH_STATUS_IGNORED = Object.freeze({ status: "ignored" }); +const CONFIG_WITH_STATUS_UNCONFIGURED = Object.freeze({ + status: "unconfigured", +}); + +// Match two leading dots followed by a slash or the end of input. +const EXTERNAL_PATH_REGEX = /^\.\.(?:\/|$)/u; + +/** + * Wrapper error for config validation errors that adds a name to the front of the + * error message. + */ +class ConfigError extends Error { + /** + * Creates a new instance. + * @param {string} name The config object name causing the error. + * @param {number} index The index of the config object in the array. + * @param {Object} options The options for the error. + * @param {Error} [options.cause] The error that caused this error. + * @param {string} [options.message] The message to use for the error. + */ + constructor(name, index, { cause, message }) { + const finalMessage = message || cause.message; + + super(`Config ${name}: ${finalMessage}`, { cause }); + + // copy over custom properties that aren't represented + if (cause) { + for (const key of Object.keys(cause)) { + if (!(key in this)) { + this[key] = cause[key]; + } + } + } + + /** + * The name of the error. + * @type {string} + * @readonly + */ + this.name = "ConfigError"; + + /** + * The index of the config object in the array. + * @type {number} + * @readonly + */ + this.index = index; + } +} + +/** + * Gets the name of a config object. + * @param {ConfigObject} config The config object to get the name of. + * @returns {string} The name of the config object. + */ +function getConfigName(config) { + if (config && typeof config.name === "string" && config.name) { + return `"${config.name}"`; + } + + return "(unnamed)"; +} + +/** + * Rethrows a config error with additional information about the config object. + * @param {object} config The config object to get the name of. + * @param {number} index The index of the config object in the array. + * @param {Error} error The error to rethrow. + * @throws {ConfigError} When the error is rethrown for a config. + */ +function rethrowConfigError(config, index, error) { + const configName = getConfigName(config); + throw new ConfigError(configName, index, { cause: error }); +} + +/** + * Shorthand for checking if a value is a string. + * @param {any} value The value to check. + * @returns {boolean} True if a string, false if not. + */ +function isString(value) { + return typeof value === "string"; +} + +/** + * Creates a function that asserts that the config is valid + * during normalization. This checks that the config is not nullish + * and that files and ignores keys of a config object are valid as per base schema. + * @param {Object} config The config object to check. + * @param {number} index The index of the config object in the array. + * @returns {void} + * @throws {ConfigError} If the files and ignores keys of a config object are not valid. + */ +function assertValidBaseConfig(config, index) { + if (config === null) { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected null config.", + }); + } + + if (config === undefined) { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected undefined config.", + }); + } + + if (typeof config !== "object") { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected non-object config.", + }); + } + + const validateConfig = {}; + + if ("basePath" in config) { + validateConfig.basePath = config.basePath; + } + + if ("files" in config) { + validateConfig.files = config.files; + } + + if ("ignores" in config) { + validateConfig.ignores = config.ignores; + } + + try { + FILES_AND_IGNORES_SCHEMA.validate(validateConfig); + } catch (validationError) { + rethrowConfigError(config, index, validationError); + } +} + +/** + * Wrapper around minimatch that caches minimatch patterns for + * faster matching speed over multiple file path evaluations. + * @param {string} filepath The file path to match. + * @param {string} pattern The glob pattern to match against. + * @param {object} options The minimatch options to use. + * @returns + */ +function doMatch(filepath, pattern, options = {}) { + let cache = minimatchCache; + + if (options.flipNegate) { + cache = negatedMinimatchCache; + } + + let matcher = cache.get(pattern); + + if (!matcher) { + matcher = new Minimatch( + pattern, + Object.assign({}, MINIMATCH_OPTIONS, options), + ); + cache.set(pattern, matcher); + } + + return matcher.match(filepath); +} + +/** + * Normalizes a pattern by removing the leading "./" if present. + * @param {string} pattern The pattern to normalize. + * @returns {string} The normalized pattern. + */ +function normalizePattern(pattern) { + if (isString(pattern)) { + if (pattern.startsWith("./")) { + return pattern.slice(2); + } + + if (pattern.startsWith("!./")) { + return `!${pattern.slice(3)}`; + } + } + + return pattern; +} + +/** + * Checks if a given pattern requires normalization. + * @param {any} pattern The pattern to check. + * @returns {boolean} True if the pattern needs normalization, false otherwise. + * + */ +function needsPatternNormalization(pattern) { + return ( + isString(pattern) && + (pattern.startsWith("./") || pattern.startsWith("!./")) + ); +} + +/** + * Normalizes `files` and `ignores` patterns in a config by removing "./" prefixes. + * @param {Object} config The config object to normalize patterns in. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base path is relative. + * @param {PathImpl} path Path-handling implementation. + * @returns {Object} The normalized config object. + */ +function normalizeConfigPatterns(config, namespacedBasePath, path) { + if (!config) { + return config; + } + + const hasBasePath = typeof config.basePath === "string"; + + let needsNormalization = false; + + if (hasBasePath) { + needsNormalization = true; + } + + if (!needsNormalization && Array.isArray(config.files)) { + needsNormalization = config.files.some(pattern => { + if (Array.isArray(pattern)) { + return pattern.some(needsPatternNormalization); + } + return needsPatternNormalization(pattern); + }); + } + + if (!needsNormalization && Array.isArray(config.ignores)) { + needsNormalization = config.ignores.some(needsPatternNormalization); + } + + if (!needsNormalization) { + return config; + } + + const newConfig = { ...config }; + + if (hasBasePath) { + if (path.isAbsolute(config.basePath)) { + newConfig.basePath = path.toNamespacedPath(config.basePath); + } else { + newConfig.basePath = path.resolve( + namespacedBasePath, + config.basePath, + ); + } + } + + if (Array.isArray(newConfig.files)) { + newConfig.files = newConfig.files.map(pattern => { + if (Array.isArray(pattern)) { + return pattern.map(normalizePattern); + } + return normalizePattern(pattern); + }); + } + + if (Array.isArray(newConfig.ignores)) { + newConfig.ignores = newConfig.ignores.map(normalizePattern); + } + + return newConfig; +} + +/** + * Normalizes a `ConfigArray` by flattening it and executing any functions + * that are found inside. + * @param {Array} items The items in a `ConfigArray`. + * @param {Object} context The context object to pass into any function + * found. + * @param {Array} extraConfigTypes The config types to check. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base paths are relative. + * @param {PathImpl} path Path-handling implementation. + * @returns {Promise} A flattened array containing only config objects. + * @throws {TypeError} When a config function returns a function. + */ +async function normalize( + items, + context, + extraConfigTypes, + namespacedBasePath, + path, +) { + const allowFunctions = extraConfigTypes.includes("function"); + const allowArrays = extraConfigTypes.includes("array"); + + async function* flatTraverse(array) { + for (let item of array) { + if (typeof item === "function") { + if (!allowFunctions) { + throw new TypeError("Unexpected function."); + } + + item = item(context); + if (item.then) { + item = await item; + } + } + + if (Array.isArray(item)) { + if (!allowArrays) { + throw new TypeError("Unexpected array."); + } + yield* flatTraverse(item); + } else if (typeof item === "function") { + throw new TypeError( + "A config function can only return an object or array.", + ); + } else { + yield item; + } + } + } + + /* + * Async iterables cannot be used with the spread operator, so we need to manually + * create the array to return. + */ + const asyncIterable = await flatTraverse(items); + const configs = []; + + for await (const config of asyncIterable) { + configs.push(normalizeConfigPatterns(config, namespacedBasePath, path)); + } + + return configs; +} + +/** + * Normalizes a `ConfigArray` by flattening it and executing any functions + * that are found inside. + * @param {Array} items The items in a `ConfigArray`. + * @param {Object} context The context object to pass into any function + * found. + * @param {Array} extraConfigTypes The config types to check. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base paths are relative. + * @param {PathImpl} path Path-handling implementation + * @returns {Array} A flattened array containing only config objects. + * @throws {TypeError} When a config function returns a function. + */ +function normalizeSync( + items, + context, + extraConfigTypes, + namespacedBasePath, + path, +) { + const allowFunctions = extraConfigTypes.includes("function"); + const allowArrays = extraConfigTypes.includes("array"); + + function* flatTraverse(array) { + for (let item of array) { + if (typeof item === "function") { + if (!allowFunctions) { + throw new TypeError("Unexpected function."); + } + + item = item(context); + if (item.then) { + throw new TypeError( + "Async config functions are not supported.", + ); + } + } + + if (Array.isArray(item)) { + if (!allowArrays) { + throw new TypeError("Unexpected array."); + } + + yield* flatTraverse(item); + } else if (typeof item === "function") { + throw new TypeError( + "A config function can only return an object or array.", + ); + } else { + yield item; + } + } + } + + const configs = []; + + for (const config of flatTraverse(items)) { + configs.push(normalizeConfigPatterns(config, namespacedBasePath, path)); + } + + return configs; +} + +/** + * Converts a given path to a relative path with all separator characters replaced by forward slashes (`"/"`). + * @param {string} fileOrDirPath The unprocessed path to convert. + * @param {string} namespacedBasePath The namespaced base path of the directory to which the calculated path shall be relative. + * @param {PathImpl} path Path-handling implementations. + * @returns {string} A relative path with all separator characters replaced by forward slashes. + */ +function toRelativePath(fileOrDirPath, namespacedBasePath, path) { + const fullPath = path.resolve(namespacedBasePath, fileOrDirPath); + const namespacedFullPath = path.toNamespacedPath(fullPath); + const relativePath = path.relative(namespacedBasePath, namespacedFullPath); + return relativePath.replaceAll(path.SEPARATOR, "/"); +} + +/** + * Determines if a given file path should be ignored based on the given + * matcher. + * @param {Array<{ basePath?: string, ignores: Array boolean)>}>} configs Configuration objects containing `ignores`. + * @param {string} filePath The unprocessed file path to check. + * @param {string} relativeFilePath The path of the file to check relative to the base path, + * using forward slash (`"/"`) as a separator. + * @param {Object} [basePathData] Additional data needed to recalculate paths for configuration objects + * that have `basePath` property. + * @param {string} [basePathData.basePath] Namespaced path to witch `relativeFilePath` is relative. + * @param {PathImpl} [basePathData.path] Path-handling implementation. + * @returns {boolean} True if the path should be ignored and false if not. + */ +function shouldIgnorePath( + configs, + filePath, + relativeFilePath, + { basePath, path } = {}, +) { + let shouldIgnore = false; + + for (const config of configs) { + let relativeFilePathToCheck = relativeFilePath; + if (config.basePath) { + relativeFilePathToCheck = toRelativePath( + path.resolve(basePath, relativeFilePath), + config.basePath, + path, + ); + + if ( + relativeFilePathToCheck === "" || + EXTERNAL_PATH_REGEX.test(relativeFilePathToCheck) + ) { + continue; + } + + if (relativeFilePath.endsWith("/")) { + relativeFilePathToCheck += "/"; + } + } + shouldIgnore = config.ignores.reduce((ignored, matcher) => { + if (!ignored) { + if (typeof matcher === "function") { + return matcher(filePath); + } + + // don't check negated patterns because we're not ignored yet + if (!matcher.startsWith("!")) { + return doMatch(relativeFilePathToCheck, matcher); + } + + // otherwise we're still not ignored + return false; + } + + // only need to check negated patterns because we're ignored + if (typeof matcher === "string" && matcher.startsWith("!")) { + return !doMatch(relativeFilePathToCheck, matcher, { + flipNegate: true, + }); + } + + return ignored; + }, shouldIgnore); + } + + return shouldIgnore; +} + +/** + * Determines if a given file path is matched by a config. If the config + * has no `files` field, then it matches; otherwise, if a `files` field + * is present then we match the globs in `files` and exclude any globs in + * `ignores`. + * @param {string} filePath The unprocessed file path to check. + * @param {string} relativeFilePath The path of the file to check relative to the base path, + * using forward slash (`"/"`) as a separator. + * @param {Object} config The config object to check. + * @returns {boolean} True if the file path is matched by the config, + * false if not. + */ +function pathMatches(filePath, relativeFilePath, config) { + // match both strings and functions + function match(pattern) { + if (isString(pattern)) { + return doMatch(relativeFilePath, pattern); + } + + if (typeof pattern === "function") { + return pattern(filePath); + } + + throw new TypeError(`Unexpected matcher type ${pattern}.`); + } + + // check for all matches to config.files + let filePathMatchesPattern = config.files.some(pattern => { + if (Array.isArray(pattern)) { + return pattern.every(match); + } + + return match(pattern); + }); + + /* + * If the file path matches the config.files patterns, then check to see + * if there are any files to ignore. + */ + if (filePathMatchesPattern && config.ignores) { + /* + * Pass config object without `basePath`, because `relativeFilePath` is already + * calculated as relative to it. + */ + filePathMatchesPattern = !shouldIgnorePath( + [{ ignores: config.ignores }], + filePath, + relativeFilePath, + ); + } + + return filePathMatchesPattern; +} + +/** + * Ensures that a ConfigArray has been normalized. + * @param {ConfigArray} configArray The ConfigArray to check. + * @returns {void} + * @throws {Error} When the `ConfigArray` is not normalized. + */ +function assertNormalized(configArray) { + // TODO: Throw more verbose error + if (!configArray.isNormalized()) { + throw new Error( + "ConfigArray must be normalized to perform this operation.", + ); + } +} + +/** + * Ensures that config types are valid. + * @param {Array} extraConfigTypes The config types to check. + * @returns {void} + * @throws {TypeError} When the config types array is invalid. + */ +function assertExtraConfigTypes(extraConfigTypes) { + if (extraConfigTypes.length > 2) { + throw new TypeError( + "configTypes must be an array with at most two items.", + ); + } + + for (const configType of extraConfigTypes) { + if (!CONFIG_TYPES.has(configType)) { + throw new TypeError( + `Unexpected config type "${configType}" found. Expected one of: "object", "array", "function".`, + ); + } + } +} + +/** + * Returns path-handling implementations for Unix or Windows, depending on a given absolute path. + * @param {string} fileOrDirPath The absolute path to check. + * @returns {PathImpl} Path-handling implementations for the specified path. + * @throws {Error} An error is thrown if the specified argument is not an absolute path. + */ +function getPathImpl(fileOrDirPath) { + // Posix absolute paths always start with a slash. + if (fileOrDirPath.startsWith("/")) { + return posixPath; + } + + // Windows absolute paths start with a letter followed by a colon and at least one backslash, + // or with two backslashes in the case of UNC paths. + // Forward slashed are automatically normalized to backslashes. + if (/^(?:[A-Za-z]:[/\\]|[/\\]{2})/u.test(fileOrDirPath)) { + return windowsPath; + } + + throw new Error( + `Expected an absolute path but received "${fileOrDirPath}"`, + ); +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +const ConfigArraySymbol = { + isNormalized: Symbol("isNormalized"), + configCache: Symbol("configCache"), + schema: Symbol("schema"), + finalizeConfig: Symbol("finalizeConfig"), + preprocessConfig: Symbol("preprocessConfig"), +}; + +// used to store calculate data for faster lookup +const dataCache = new WeakMap(); + +/** + * Represents an array of config objects and provides method for working with + * those config objects. + */ +class ConfigArray extends Array { + /** + * The namespaced path of the config file directory. + * @type {string} + */ + #namespacedBasePath; + + /** + * Path-handling implementations. + * @type {PathImpl} + */ + #path; + + /** + * Creates a new instance of ConfigArray. + * @param {Iterable|Function|Object} configs An iterable yielding config + * objects, or a config function, or a config object. + * @param {Object} options The options for the ConfigArray. + * @param {string} [options.basePath="/"] The absolute path of the config file directory. + * Defaults to `"/"`. + * @param {boolean} [options.normalized=false] Flag indicating if the + * configs have already been normalized. + * @param {Object} [options.schema] The additional schema + * definitions to use for the ConfigArray schema. + * @param {Array} [options.extraConfigTypes] List of config types supported. + * @throws {TypeError} When the `basePath` is not a non-empty string, + */ + constructor( + configs, + { + basePath = "/", + normalized = false, + schema: customSchema, + extraConfigTypes = [], + } = {}, + ) { + super(); + + /** + * Tracks if the array has been normalized. + * @property isNormalized + * @type {boolean} + * @private + */ + this[ConfigArraySymbol.isNormalized] = normalized; + + /** + * The schema used for validating and merging configs. + * @property schema + * @type {ObjectSchemaInstance} + * @private + */ + this[ConfigArraySymbol.schema] = new ObjectSchema( + Object.assign({}, customSchema, baseSchema), + ); + + if (!isString(basePath) || !basePath) { + throw new TypeError("basePath must be a non-empty string"); + } + + /** + * The path of the config file that this array was loaded from. + * This is used to calculate filename matches. + * @property basePath + * @type {string} + */ + this.basePath = basePath; + + assertExtraConfigTypes(extraConfigTypes); + + /** + * The supported config types. + * @type {Array} + */ + this.extraConfigTypes = [...extraConfigTypes]; + Object.freeze(this.extraConfigTypes); + + /** + * A cache to store calculated configs for faster repeat lookup. + * @property configCache + * @type {Map} + * @private + */ + this[ConfigArraySymbol.configCache] = new Map(); + + // init cache + dataCache.set(this, { + explicitMatches: new Map(), + directoryMatches: new Map(), + files: undefined, + ignores: undefined, + }); + + // load the configs into this array + if (Array.isArray(configs)) { + this.push(...configs); + } else { + this.push(configs); + } + + // select path-handling implementations depending on the base path + this.#path = getPathImpl(basePath); + + // On Windows, `path.relative()` returns an absolute path when given two paths on different drives. + // The namespaced base path is useful to make sure that calculated relative paths are always relative. + // On Unix, it is identical to the base path. + this.#namespacedBasePath = this.#path.toNamespacedPath(basePath); + } + + /** + * Prevent normal array methods from creating a new `ConfigArray` instance. + * This is to ensure that methods such as `slice()` won't try to create a + * new instance of `ConfigArray` behind the scenes as doing so may throw + * an error due to the different constructor signature. + * @type {ArrayConstructor} The `Array` constructor. + */ + static get [Symbol.species]() { + return Array; + } + + /** + * Returns the `files` globs from every config object in the array. + * This can be used to determine which files will be matched by a + * config array or to use as a glob pattern when no patterns are provided + * for a command line interface. + * @returns {Array} An array of matchers. + */ + get files() { + assertNormalized(this); + + // if this data has been cached, retrieve it + const cache = dataCache.get(this); + + if (cache.files) { + return cache.files; + } + + // otherwise calculate it + + const result = []; + + for (const config of this) { + if (config.files) { + config.files.forEach(filePattern => { + result.push(filePattern); + }); + } + } + + // store result + cache.files = result; + dataCache.set(this, cache); + + return result; + } + + /** + * Returns ignore matchers that should always be ignored regardless of + * the matching `files` fields in any configs. This is necessary to mimic + * the behavior of things like .gitignore and .eslintignore, allowing a + * globbing operation to be faster. + * @returns {Object[]} An array of config objects representing global ignores. + */ + get ignores() { + assertNormalized(this); + + // if this data has been cached, retrieve it + const cache = dataCache.get(this); + + if (cache.ignores) { + return cache.ignores; + } + + // otherwise calculate it + + const result = []; + + for (const config of this) { + /* + * We only count ignores if there are no other keys in the object. + * In this case, it acts list a globally ignored pattern. If there + * are additional keys, then ignores act like exclusions. + */ + if ( + config.ignores && + Object.keys(config).filter(key => !META_FIELDS.has(key)) + .length === 1 + ) { + result.push(config); + } + } + + // store result + cache.ignores = result; + dataCache.set(this, cache); + + return result; + } + + /** + * Indicates if the config array has been normalized. + * @returns {boolean} True if the config array is normalized, false if not. + */ + isNormalized() { + return this[ConfigArraySymbol.isNormalized]; + } + + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {Promise} The current ConfigArray instance. + */ + async normalize(context = {}) { + if (!this.isNormalized()) { + const normalizedConfigs = await normalize( + this, + context, + this.extraConfigTypes, + this.#namespacedBasePath, + this.#path, + ); + this.length = 0; + this.push( + ...normalizedConfigs.map( + this[ConfigArraySymbol.preprocessConfig].bind(this), + ), + ); + this.forEach(assertValidBaseConfig); + this[ConfigArraySymbol.isNormalized] = true; + + // prevent further changes + Object.freeze(this); + } + + return this; + } + + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {ConfigArray} The current ConfigArray instance. + */ + normalizeSync(context = {}) { + if (!this.isNormalized()) { + const normalizedConfigs = normalizeSync( + this, + context, + this.extraConfigTypes, + this.#namespacedBasePath, + this.#path, + ); + this.length = 0; + this.push( + ...normalizedConfigs.map( + this[ConfigArraySymbol.preprocessConfig].bind(this), + ), + ); + this.forEach(assertValidBaseConfig); + this[ConfigArraySymbol.isNormalized] = true; + + // prevent further changes + Object.freeze(this); + } + + return this; + } + + /* eslint-disable class-methods-use-this -- Desired as instance methods */ + + /** + * Finalizes the state of a config before being cached and returned by + * `getConfig()`. Does nothing by default but is provided to be + * overridden by subclasses as necessary. + * @param {Object} config The config to finalize. + * @returns {Object} The finalized config. + */ + // Cast key to `never` to prevent TypeScript from adding the signature `[x: symbol]: (config: any) => any` to the type of the class. + [/** @type {never} */ (ConfigArraySymbol.finalizeConfig)](config) { + return config; + } + + /** + * Preprocesses a config during the normalization process. This is the + * method to override if you want to convert an array item before it is + * validated for the first time. For example, if you want to replace a + * string with an object, this is the method to override. + * @param {Object} config The config to preprocess. + * @returns {Object} The config to use in place of the argument. + */ + // Cast key to `never` to prevent TypeScript from adding the signature `[x: symbol]: (config: any) => any` to the type of the class. + [/** @type {never} */ (ConfigArraySymbol.preprocessConfig)](config) { + return config; + } + + /* eslint-enable class-methods-use-this -- Desired as instance methods */ + + /** + * Returns the config object for a given file path and a status that can be used to determine why a file has no config. + * @param {string} filePath The path of a file to get a config for. + * @returns {{ config?: Object, status: "ignored"|"external"|"unconfigured"|"matched" }} + * An object with an optional property `config` and property `status`. + * `config` is the config object for the specified file as returned by {@linkcode ConfigArray.getConfig}, + * `status` a is one of the constants returned by {@linkcode ConfigArray.getConfigStatus}. + */ + getConfigWithStatus(filePath) { + assertNormalized(this); + + const cache = this[ConfigArraySymbol.configCache]; + + // first check the cache for a filename match to avoid duplicate work + if (cache.has(filePath)) { + return cache.get(filePath); + } + + // check to see if the file is outside the base path + + const relativeToBaseFilePath = toRelativePath( + filePath, + this.#namespacedBasePath, + this.#path, + ); + + if (EXTERNAL_PATH_REGEX.test(relativeToBaseFilePath)) { + debug(`No config for file ${filePath} outside of base path`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_EXTERNAL); + return CONFIG_WITH_STATUS_EXTERNAL; + } + + // next check to see if the file should be ignored + + // check if this should be ignored due to its directory + if (this.isDirectoryIgnored(this.#path.dirname(filePath))) { + debug(`Ignoring ${filePath} based on directory pattern`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_IGNORED); + return CONFIG_WITH_STATUS_IGNORED; + } + + if ( + shouldIgnorePath(this.ignores, filePath, relativeToBaseFilePath, { + basePath: this.#namespacedBasePath, + path: this.#path, + }) + ) { + debug(`Ignoring ${filePath} based on file pattern`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_IGNORED); + return CONFIG_WITH_STATUS_IGNORED; + } + + // filePath isn't automatically ignored, so try to construct config + + const matchingConfigIndices = []; + let matchFound = false; + const universalPattern = /^\*$|^!|\/\*{1,2}$/u; + + this.forEach((config, index) => { + const relativeFilePath = config.basePath + ? toRelativePath( + this.#path.resolve(this.#namespacedBasePath, filePath), + config.basePath, + this.#path, + ) + : relativeToBaseFilePath; + + if (config.basePath && EXTERNAL_PATH_REGEX.test(relativeFilePath)) { + debug( + `Skipped config found for ${filePath} (based on config's base path: ${config.basePath}`, + ); + return; + } + + if (!config.files) { + if (!config.ignores) { + debug(`Universal config found for ${filePath}`); + matchingConfigIndices.push(index); + return; + } + + if ( + Object.keys(config).filter(key => !META_FIELDS.has(key)) + .length === 1 + ) { + debug( + `Skipped config found for ${filePath} (global ignores)`, + ); + return; + } + + /* + * Pass config object without `basePath`, because `relativeFilePath` is already + * calculated as relative to it. + */ + if ( + shouldIgnorePath( + [{ ignores: config.ignores }], + filePath, + relativeFilePath, + ) + ) { + debug( + `Skipped config found for ${filePath} (based on ignores: ${config.ignores})`, + ); + return; + } + + debug( + `Matching config found for ${filePath} (based on ignores: ${config.ignores})`, + ); + matchingConfigIndices.push(index); + return; + } + + /* + * If a config has a files pattern * or patterns ending in /** or /*, + * and the filePath only matches those patterns, then the config is only + * applied if there is another config where the filePath matches + * a file with a specific extensions such as *.js. + */ + + const nonUniversalFiles = []; + const universalFiles = config.files.filter(element => { + if (Array.isArray(element)) { + /* + * filePath matches an element that is an array only if it matches + * all patterns in it (AND operation). Therefore, if there is at least + * one non-universal pattern in the array, and filePath matches the array, + * then we know for sure that filePath matches at least one non-universal + * pattern, so we can consider the entire array to be non-universal. + * In other words, all patterns in the array need to be universal + * for it to be considered universal. + */ + if ( + element.every(pattern => universalPattern.test(pattern)) + ) { + return true; + } + + nonUniversalFiles.push(element); + return false; + } + + // element is a string + + if (universalPattern.test(element)) { + return true; + } + + nonUniversalFiles.push(element); + return false; + }); + + // universal patterns were found so we need to check the config twice + if (universalFiles.length) { + debug("Universal files patterns found. Checking carefully."); + + // check that the config matches without the non-universal files first + if ( + nonUniversalFiles.length && + pathMatches(filePath, relativeFilePath, { + files: nonUniversalFiles, + ignores: config.ignores, + }) + ) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + matchFound = true; + return; + } + + // if there wasn't a match then check if it matches with universal files + if ( + universalFiles.length && + pathMatches(filePath, relativeFilePath, { + files: universalFiles, + ignores: config.ignores, + }) + ) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + return; + } + + // if we make here, then there was no match + return; + } + + // the normal case + if (pathMatches(filePath, relativeFilePath, config)) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + matchFound = true; + } + }); + + // if matching both files and ignores, there will be no config to create + if (!matchFound) { + debug(`No matching configs found for ${filePath}`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_UNCONFIGURED); + return CONFIG_WITH_STATUS_UNCONFIGURED; + } + + // check to see if there is a config cached by indices + const indicesKey = matchingConfigIndices.toString(); + let configWithStatus = cache.get(indicesKey); + + if (configWithStatus) { + // also store for filename for faster lookup next time + cache.set(filePath, configWithStatus); + + return configWithStatus; + } + + // otherwise construct the config + + // eslint-disable-next-line array-callback-return, consistent-return -- rethrowConfigError always throws an error + let finalConfig = matchingConfigIndices.reduce((result, index) => { + try { + return this[ConfigArraySymbol.schema].merge( + result, + this[index], + ); + } catch (validationError) { + rethrowConfigError(this[index], index, validationError); + } + }, {}); + + finalConfig = this[ConfigArraySymbol.finalizeConfig](finalConfig); + + configWithStatus = Object.freeze({ + config: finalConfig, + status: "matched", + }); + cache.set(filePath, configWithStatus); + cache.set(indicesKey, configWithStatus); + + return configWithStatus; + } + + /** + * Returns the config object for a given file path. + * @param {string} filePath The path of a file to get a config for. + * @returns {Object|undefined} The config object for this file or `undefined`. + */ + getConfig(filePath) { + return this.getConfigWithStatus(filePath).config; + } + + /** + * Determines whether a file has a config or why it doesn't. + * @param {string} filePath The path of the file to check. + * @returns {"ignored"|"external"|"unconfigured"|"matched"} One of the following values: + * * `"ignored"`: the file is ignored + * * `"external"`: the file is outside the base path + * * `"unconfigured"`: the file is not matched by any config + * * `"matched"`: the file has a matching config + */ + getConfigStatus(filePath) { + return this.getConfigWithStatus(filePath).status; + } + + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + * @deprecated Use `isFileIgnored` instead. + */ + isIgnored(filePath) { + return this.isFileIgnored(filePath); + } + + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + */ + isFileIgnored(filePath) { + return this.getConfigStatus(filePath) === "ignored"; + } + + /** + * Determines if the given directory is ignored based on the configs. + * This checks only default `ignores` that don't have `files` in the + * same config. A pattern such as `/foo` be considered to ignore the directory + * while a pattern such as `/foo/**` is not considered to ignore the + * directory because it is matching files. + * @param {string} directoryPath The path of a directory to check. + * @returns {boolean} True if the directory is ignored, false if not. Will + * return true for any directory that is not inside of `basePath`. + * @throws {Error} When the `ConfigArray` is not normalized. + */ + isDirectoryIgnored(directoryPath) { + assertNormalized(this); + + const relativeDirectoryPath = toRelativePath( + directoryPath, + this.#namespacedBasePath, + this.#path, + ); + + // basePath directory can never be ignored + if (relativeDirectoryPath === "") { + return false; + } + + if (EXTERNAL_PATH_REGEX.test(relativeDirectoryPath)) { + return true; + } + + // first check the cache + const cache = dataCache.get(this).directoryMatches; + + if (cache.has(relativeDirectoryPath)) { + return cache.get(relativeDirectoryPath); + } + + const directoryParts = relativeDirectoryPath.split("/"); + let relativeDirectoryToCheck = ""; + let result; + + /* + * In order to get the correct gitignore-style ignores, where an + * ignored parent directory cannot have any descendants unignored, + * we need to check every directory starting at the parent all + * the way down to the actual requested directory. + * + * We aggressively cache all of this info to make sure we don't + * have to recalculate everything for every call. + */ + do { + relativeDirectoryToCheck += `${directoryParts.shift()}/`; + + result = shouldIgnorePath( + this.ignores, + this.#path.join(this.basePath, relativeDirectoryToCheck), + relativeDirectoryToCheck, + { + basePath: this.#namespacedBasePath, + path: this.#path, + }, + ); + + cache.set(relativeDirectoryToCheck, result); + } while (!result && directoryParts.length); + + // also cache the result for the requested path + cache.set(relativeDirectoryPath, result); + + return result; + } +} + +export { ConfigArray, ConfigArraySymbol }; diff --git a/module/node_modules/@eslint/config-array/dist/esm/std__path/posix.js b/module/node_modules/@eslint/config-array/dist/esm/std__path/posix.js new file mode 100644 index 000000000..8af576a12 --- /dev/null +++ b/module/node_modules/@eslint/config-array/dist/esm/std__path/posix.js @@ -0,0 +1,1314 @@ +// @ts-nocheck +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +function assertPath(path) { + if (typeof path !== "string") { + throw new TypeError(`Path must be a string, received "${JSON.stringify(path)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function stripSuffix(name, suffix) { + if (suffix.length >= name.length) { + return name; + } + const lenDiff = name.length - suffix.length; + for(let i = suffix.length - 1; i >= 0; --i){ + if (name.charCodeAt(lenDiff + i) !== suffix.charCodeAt(i)) { + return name; + } + } + return name.slice(0, -suffix.length); +} +function lastPathSegment(path, isSep, start = 0) { + let matchedNonSeparator = false; + let end = path.length; + for(let i = path.length - 1; i >= start; --i){ + if (isSep(path.charCodeAt(i))) { + if (matchedNonSeparator) { + start = i + 1; + break; + } + } else if (!matchedNonSeparator) { + matchedNonSeparator = true; + end = i + 1; + } + } + return path.slice(start, end); +} +function assertArgs$1(path, suffix) { + assertPath(path); + if (path.length === 0) return path; + if (typeof suffix !== "string") { + throw new TypeError(`Suffix must be a string, received "${JSON.stringify(suffix)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$3(url) { + url = url instanceof URL ? url : new URL(url); + if (url.protocol !== "file:") { + throw new TypeError(`URL must be a file URL: received "${url.protocol}"`); + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a file URL to a path string. + * + * @example Usage + * ```ts + * import { fromFileUrl } from "@std/path/posix/from-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(fromFileUrl(new URL("file:///home/foo")), "/home/foo"); + * ``` + * + * @param url The file URL to convert. + * @returns The path string. + */ function fromFileUrl(url) { + url = assertArg$3(url); + return decodeURIComponent(url.pathname.replace(/%(?![0-9A-Fa-f]{2})/g, "%25")); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function stripTrailingSeparators(segment, isSep) { + if (segment.length <= 1) { + return segment; + } + let end = segment.length; + for(let i = segment.length - 1; i > 0; i--){ + if (isSep(segment.charCodeAt(i))) { + end = i; + } else { + break; + } + } + return segment.slice(0, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Alphabet chars. +// Non-alphabetic chars. +const CHAR_DOT = 46; /* . */ +const CHAR_FORWARD_SLASH = 47; /* / */ + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function isPosixPathSeparator(code) { + return code === CHAR_FORWARD_SLASH; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the last portion of a `path`. + * Trailing directory separators are ignored, and optional suffix is removed. + * + * @example Usage + * ```ts + * import { basename } from "@std/path/posix/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("/home/user/Documents/"), "Documents"); + * assertEquals(basename("/home/user/Documents/image.png"), "image.png"); + * assertEquals(basename("/home/user/Documents/image.png", ".png"), "image"); + * assertEquals(basename(new URL("file:///home/user/Documents/image.png")), "image.png"); + * assertEquals(basename(new URL("file:///home/user/Documents/image.png"), ".png"), "image"); + * ``` + * + * @example Working with URLs + * + * Note: This function doesn't automatically strip hash and query parts from + * URLs. If your URL contains a hash or query, remove them before passing the + * URL to the function. This can be done by passing the URL to `new URL(url)`, + * and setting the `hash` and `search` properties to empty strings. + * + * ```ts + * import { basename } from "@std/path/posix/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("https://deno.land/std/path/mod.ts"), "mod.ts"); + * assertEquals(basename("https://deno.land/std/path/mod.ts", ".ts"), "mod"); + * assertEquals(basename("https://deno.land/std/path/mod.ts?a=b"), "mod.ts?a=b"); + * assertEquals(basename("https://deno.land/std/path/mod.ts#header"), "mod.ts#header"); + * ``` + * + * @param path The path to extract the name from. + * @param suffix The suffix to remove from extracted name. + * @returns The extracted name. + */ function basename(path, suffix = "") { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArgs$1(path, suffix); + const lastSegment = lastPathSegment(path, isPosixPathSeparator); + const strippedSegment = stripTrailingSeparators(lastSegment, isPosixPathSeparator); + return suffix ? stripSuffix(strippedSegment, suffix) : strippedSegment; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * The character used to separate entries in the PATH environment variable. + */ const DELIMITER = ":"; +/** + * The character used to separate components of a file path. + */ const SEPARATOR = "/"; +/** + * A regular expression that matches one or more path separators. + */ const SEPARATOR_PATTERN = /\/+/; + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$2(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the directory path of a `path`. + * + * @example Usage + * ```ts + * import { dirname } from "@std/path/posix/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("/home/user/Documents/"), "/home/user"); + * assertEquals(dirname("/home/user/Documents/image.png"), "/home/user/Documents"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts"), "https://deno.land/std/path"); + * assertEquals(dirname(new URL("file:///home/user/Documents/image.png")), "/home/user/Documents"); + * ``` + * + * @example Working with URLs + * + * ```ts + * import { dirname } from "@std/path/posix/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("https://deno.land/std/path/mod.ts"), "https://deno.land/std/path"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts?a=b"), "https://deno.land/std/path"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts#header"), "https://deno.land/std/path"); + * ``` + * + * @param path The path to get the directory from. + * @returns The directory path. + */ function dirname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg$2(path); + let end = -1; + let matchedNonSeparator = false; + for(let i = path.length - 1; i >= 1; --i){ + if (isPosixPathSeparator(path.charCodeAt(i))) { + if (matchedNonSeparator) { + end = i; + break; + } + } else { + matchedNonSeparator = true; + } + } + // No matches. Fallback based on provided path: + // + // - leading slashes paths + // "/foo" => "/" + // "///foo" => "/" + // - no slash path + // "foo" => "." + if (end === -1) { + return isPosixPathSeparator(path.charCodeAt(0)) ? "/" : "."; + } + return stripTrailingSeparators(path.slice(0, end), isPosixPathSeparator); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the extension of the `path` with leading period. + * + * @example Usage + * ```ts + * import { extname } from "@std/path/posix/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("/home/user/Documents/file.ts"), ".ts"); + * assertEquals(extname("/home/user/Documents/"), ""); + * assertEquals(extname("/home/user/Documents/image.png"), ".png"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts")), ".ts"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts?a=b")), ".ts"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts#header")), ".ts"); + * ``` + * + * @example Working with URLs + * + * Note: This function doesn't automatically strip hash and query parts from + * URLs. If your URL contains a hash or query, remove them before passing the + * URL to the function. This can be done by passing the URL to `new URL(url)`, + * and setting the `hash` and `search` properties to empty strings. + * + * ```ts + * import { extname } from "@std/path/posix/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("https://deno.land/std/path/mod.ts"), ".ts"); + * assertEquals(extname("https://deno.land/std/path/mod.ts?a=b"), ".ts?a=b"); + * assertEquals(extname("https://deno.land/std/path/mod.ts#header"), ".ts#header"); + * ``` + * + * @param path The path to get the extension from. + * @returns The extension (ex. for `file.ts` returns `.ts`). + */ function extname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertPath(path); + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + for(let i = path.length - 1; i >= 0; --i){ + const code = path.charCodeAt(i); + if (isPosixPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + return ""; + } + return path.slice(startDot, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function _format(sep, pathObject) { + const dir = pathObject.dir || pathObject.root; + const base = pathObject.base || (pathObject.name ?? "") + (pathObject.ext ?? ""); + if (!dir) return base; + if (base === sep) return dir; + if (dir === pathObject.root) return dir + base; + return dir + sep + base; +} +function assertArg$1(pathObject) { + if (pathObject === null || typeof pathObject !== "object") { + throw new TypeError(`The "pathObject" argument must be of type Object, received type "${typeof pathObject}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Generate a path from `ParsedPath` object. + * + * @example Usage + * ```ts + * import { format } from "@std/path/posix/format"; + * import { assertEquals } from "@std/assert"; + * + * const path = format({ + * root: "/", + * dir: "/path/dir", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * assertEquals(path, "/path/dir/file.txt"); + * ``` + * + * @param pathObject The path object to format. + * @returns The formatted path. + */ function format(pathObject) { + assertArg$1(pathObject); + return _format("/", pathObject); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Verifies whether provided path is absolute. + * + * @example Usage + * ```ts + * import { isAbsolute } from "@std/path/posix/is-absolute"; + * import { assert, assertFalse } from "@std/assert"; + * + * assert(isAbsolute("/home/user/Documents/")); + * assertFalse(isAbsolute("home/user/Documents/")); + * ``` + * + * @param path The path to verify. + * @returns Whether the path is absolute. + */ function isAbsolute(path) { + assertPath(path); + return path.length > 0 && isPosixPathSeparator(path.charCodeAt(0)); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Resolves . and .. elements in a path with directory names +function normalizeString(path, allowAboveRoot, separator, isPathSeparator) { + let res = ""; + let lastSegmentLength = 0; + let lastSlash = -1; + let dots = 0; + let code; + for(let i = 0; i <= path.length; ++i){ + if (i < path.length) code = path.charCodeAt(i); + else if (isPathSeparator(code)) break; + else code = CHAR_FORWARD_SLASH; + if (isPathSeparator(code)) { + if (lastSlash === i - 1 || dots === 1) ; else if (lastSlash !== i - 1 && dots === 2) { + if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== CHAR_DOT || res.charCodeAt(res.length - 2) !== CHAR_DOT) { + if (res.length > 2) { + const lastSlashIndex = res.lastIndexOf(separator); + if (lastSlashIndex === -1) { + res = ""; + lastSegmentLength = 0; + } else { + res = res.slice(0, lastSlashIndex); + lastSegmentLength = res.length - 1 - res.lastIndexOf(separator); + } + lastSlash = i; + dots = 0; + continue; + } else if (res.length === 2 || res.length === 1) { + res = ""; + lastSegmentLength = 0; + lastSlash = i; + dots = 0; + continue; + } + } + if (allowAboveRoot) { + if (res.length > 0) res += `${separator}..`; + else res = ".."; + lastSegmentLength = 2; + } + } else { + if (res.length > 0) res += separator + path.slice(lastSlash + 1, i); + else res = path.slice(lastSlash + 1, i); + lastSegmentLength = i - lastSlash - 1; + } + lastSlash = i; + dots = 0; + } else if (code === CHAR_DOT && dots !== -1) { + ++dots; + } else { + dots = -1; + } + } + return res; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Normalize the `path`, resolving `'..'` and `'.'` segments. + * Note that resolving these segments does not necessarily mean that all will be eliminated. + * A `'..'` at the top-level will be preserved, and an empty path is canonically `'.'`. + * + * @example Usage + * ```ts + * import { normalize } from "@std/path/posix/normalize"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(normalize("/foo/bar//baz/asdf/quux/.."), "/foo/bar/baz/asdf"); + * assertEquals(normalize(new URL("file:///foo/bar//baz/asdf/quux/..")), "/foo/bar/baz/asdf/"); + * ``` + * + * @example Working with URLs + * + * Note: This function will remove the double slashes from a URL's scheme. + * Hence, do not pass a full URL to this function. Instead, pass the pathname of + * the URL. + * + * ```ts + * import { normalize } from "@std/path/posix/normalize"; + * import { assertEquals } from "@std/assert"; + * + * const url = new URL("https://deno.land"); + * url.pathname = normalize("//std//assert//.//mod.ts"); + * assertEquals(url.href, "https://deno.land/std/assert/mod.ts"); + * + * url.pathname = normalize("std/assert/../async/retry.ts"); + * assertEquals(url.href, "https://deno.land/std/async/retry.ts"); + * ``` + * + * @param path The path to normalize. + * @returns The normalized path. + */ function normalize(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg(path); + const isAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + const trailingSeparator = isPosixPathSeparator(path.charCodeAt(path.length - 1)); + // Normalize the path + path = normalizeString(path, !isAbsolute, "/", isPosixPathSeparator); + if (path.length === 0 && !isAbsolute) path = "."; + if (path.length > 0 && trailingSeparator) path += "/"; + if (isAbsolute) return `/${path}`; + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Join all given a sequence of `paths`,then normalizes the resulting path. + * + * @example Usage + * ```ts + * import { join } from "@std/path/posix/join"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(join("/foo", "bar", "baz/asdf", "quux", ".."), "/foo/bar/baz/asdf"); + * assertEquals(join(new URL("file:///foo"), "bar", "baz/asdf", "quux", ".."), "/foo/bar/baz/asdf"); + * ``` + * + * @example Working with URLs + * ```ts + * import { join } from "@std/path/posix/join"; + * import { assertEquals } from "@std/assert"; + * + * const url = new URL("https://deno.land"); + * url.pathname = join("std", "path", "mod.ts"); + * assertEquals(url.href, "https://deno.land/std/path/mod.ts"); + * + * url.pathname = join("//std", "path/", "/mod.ts"); + * assertEquals(url.href, "https://deno.land/std/path/mod.ts"); + * ``` + * + * @param path The path to join. This can be string or file URL. + * @param paths The paths to join. + * @returns The joined path. + */ function join(path, ...paths) { + if (path === undefined) return "."; + if (path instanceof URL) { + path = fromFileUrl(path); + } + paths = path ? [ + path, + ...paths + ] : paths; + paths.forEach((path)=>assertPath(path)); + const joined = paths.filter((path)=>path.length > 0).join("/"); + return joined === "" ? "." : normalize(joined); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return a `ParsedPath` object of the `path`. + * + * @example Usage + * ```ts + * import { parse } from "@std/path/posix/parse"; + * import { assertEquals } from "@std/assert"; + * + * const path = parse("/home/user/file.txt"); + * assertEquals(path, { + * root: "/", + * dir: "/home/user", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * ``` + * + * @param path The path to parse. + * @returns The parsed path object. + */ function parse(path) { + assertPath(path); + const ret = { + root: "", + dir: "", + base: "", + ext: "", + name: "" + }; + if (path.length === 0) return ret; + const isAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + let start; + if (isAbsolute) { + ret.root = "/"; + start = 1; + } else { + start = 0; + } + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + let i = path.length - 1; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Get non-dir info + for(; i >= start; --i){ + const code = path.charCodeAt(i); + if (isPosixPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + if (end !== -1) { + if (startPart === 0 && isAbsolute) { + ret.base = ret.name = path.slice(1, end); + } else { + ret.base = ret.name = path.slice(startPart, end); + } + } + // Fallback to '/' in case there is no basename + ret.base = ret.base || "/"; + } else { + if (startPart === 0 && isAbsolute) { + ret.name = path.slice(1, startDot); + ret.base = path.slice(1, end); + } else { + ret.name = path.slice(startPart, startDot); + ret.base = path.slice(startPart, end); + } + ret.ext = path.slice(startDot, end); + } + if (startPart > 0) { + ret.dir = stripTrailingSeparators(path.slice(0, startPart - 1), isPosixPathSeparator); + } else if (isAbsolute) ret.dir = "/"; + return ret; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path segments into a `path`. + * + * @example Usage + * ```ts + * import { resolve } from "@std/path/posix/resolve"; + * import { assertEquals } from "@std/assert"; + * + * const path = resolve("/foo", "bar", "baz/asdf", "quux", ".."); + * assertEquals(path, "/foo/bar/baz/asdf"); + * ``` + * + * @param pathSegments The path segments to resolve. + * @returns The resolved path. + */ function resolve(...pathSegments) { + let resolvedPath = ""; + let resolvedAbsolute = false; + for(let i = pathSegments.length - 1; i >= -1 && !resolvedAbsolute; i--){ + let path; + if (i >= 0) path = pathSegments[i]; + else { + // deno-lint-ignore no-explicit-any + const { Deno } = globalThis; + if (typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a relative path without a current working directory (CWD)"); + } + path = Deno.cwd(); + } + assertPath(path); + // Skip empty entries + if (path.length === 0) { + continue; + } + resolvedPath = `${path}/${resolvedPath}`; + resolvedAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + } + // At this point the path should be resolved to a full absolute path, but + // handle relative paths to be safe (might happen when Deno.cwd() fails) + // Normalize the path + resolvedPath = normalizeString(resolvedPath, !resolvedAbsolute, "/", isPosixPathSeparator); + if (resolvedAbsolute) { + if (resolvedPath.length > 0) return `/${resolvedPath}`; + else return "/"; + } else if (resolvedPath.length > 0) return resolvedPath; + else return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArgs(from, to) { + assertPath(from); + assertPath(to); + if (from === to) return ""; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the relative path from `from` to `to` based on current working directory. + * + * If `from` and `to` are the same, return an empty string. + * + * @example Usage + * ```ts + * import { relative } from "@std/path/posix/relative"; + * import { assertEquals } from "@std/assert"; + * + * const path = relative("/data/orandea/test/aaa", "/data/orandea/impl/bbb"); + * assertEquals(path, "../../impl/bbb"); + * ``` + * + * @param from The path to start from. + * @param to The path to reach. + * @returns The relative path. + */ function relative(from, to) { + assertArgs(from, to); + from = resolve(from); + to = resolve(to); + if (from === to) return ""; + // Trim any leading backslashes + let fromStart = 1; + const fromEnd = from.length; + for(; fromStart < fromEnd; ++fromStart){ + if (!isPosixPathSeparator(from.charCodeAt(fromStart))) break; + } + const fromLen = fromEnd - fromStart; + // Trim any leading backslashes + let toStart = 1; + const toEnd = to.length; + for(; toStart < toEnd; ++toStart){ + if (!isPosixPathSeparator(to.charCodeAt(toStart))) break; + } + const toLen = toEnd - toStart; + // Compare paths to find the longest common path from root + const length = fromLen < toLen ? fromLen : toLen; + let lastCommonSep = -1; + let i = 0; + for(; i <= length; ++i){ + if (i === length) { + if (toLen > length) { + if (isPosixPathSeparator(to.charCodeAt(toStart + i))) { + // We get here if `from` is the exact base path for `to`. + // For example: from='/foo/bar'; to='/foo/bar/baz' + return to.slice(toStart + i + 1); + } else if (i === 0) { + // We get here if `from` is the root + // For example: from='/'; to='/foo' + return to.slice(toStart + i); + } + } else if (fromLen > length) { + if (isPosixPathSeparator(from.charCodeAt(fromStart + i))) { + // We get here if `to` is the exact base path for `from`. + // For example: from='/foo/bar/baz'; to='/foo/bar' + lastCommonSep = i; + } else if (i === 0) { + // We get here if `to` is the root. + // For example: from='/foo'; to='/' + lastCommonSep = 0; + } + } + break; + } + const fromCode = from.charCodeAt(fromStart + i); + const toCode = to.charCodeAt(toStart + i); + if (fromCode !== toCode) break; + else if (isPosixPathSeparator(fromCode)) lastCommonSep = i; + } + let out = ""; + // Generate the relative path based on the path difference between `to` + // and `from` + for(i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i){ + if (i === fromEnd || isPosixPathSeparator(from.charCodeAt(i))) { + if (out.length === 0) out += ".."; + else out += "/.."; + } + } + // Lastly, append the rest of the destination (`to`) path that comes after + // the common path parts + if (out.length > 0) return out + to.slice(toStart + lastCommonSep); + else { + toStart += lastCommonSep; + if (isPosixPathSeparator(to.charCodeAt(toStart))) ++toStart; + return to.slice(toStart); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const WHITESPACE_ENCODINGS = { + "\u0009": "%09", + "\u000A": "%0A", + "\u000B": "%0B", + "\u000C": "%0C", + "\u000D": "%0D", + "\u0020": "%20" +}; +function encodeWhitespace(string) { + return string.replaceAll(/[\s]/g, (c)=>{ + return WHITESPACE_ENCODINGS[c] ?? c; + }); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path string to a file URL. + * + * @example Usage + * ```ts + * import { toFileUrl } from "@std/path/posix/to-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toFileUrl("/home/foo"), new URL("file:///home/foo")); + * assertEquals(toFileUrl("/home/foo bar"), new URL("file:///home/foo%20bar")); + * ``` + * + * @param path The path to convert. + * @returns The file URL. + */ function toFileUrl(path) { + if (!isAbsolute(path)) { + throw new TypeError(`Path must be absolute: received "${path}"`); + } + const url = new URL("file:///"); + url.pathname = encodeWhitespace(path.replace(/%/g, "%25").replace(/\\/g, "%5C")); + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path to a namespaced path. This function returns the path as is on posix. + * + * @example Usage + * ```ts + * import { toNamespacedPath } from "@std/path/posix/to-namespaced-path"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toNamespacedPath("/home/foo"), "/home/foo"); + * ``` + * + * @param path The path. + * @returns The namespaced path. + */ function toNamespacedPath(path) { + // Non-op on posix systems + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function common$1(paths, sep) { + const [first = "", ...remaining] = paths; + const parts = first.split(sep); + let endOfPrefix = parts.length; + let append = ""; + for (const path of remaining){ + const compare = path.split(sep); + if (compare.length <= endOfPrefix) { + endOfPrefix = compare.length; + append = ""; + } + for(let i = 0; i < endOfPrefix; i++){ + if (compare[i] !== parts[i]) { + endOfPrefix = i; + append = i === 0 ? "" : sep; + break; + } + } + } + return parts.slice(0, endOfPrefix).join(sep) + append; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** Determines the common path from a set of paths for POSIX systems. + * + * @example Usage + * ```ts + * import { common } from "@std/path/posix/common"; + * import { assertEquals } from "@std/assert"; + * + * const path = common([ + * "./deno/std/path/mod.ts", + * "./deno/std/fs/mod.ts", + * ]); + * assertEquals(path, "./deno/std/"); + * ``` + * + * @param paths The paths to compare. + * @returns The common path. + */ function common(paths) { + return common$1(paths, SEPARATOR); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Options for {@linkcode globToRegExp}, {@linkcode joinGlobs}, + * {@linkcode normalizeGlob} and {@linkcode expandGlob}. + */ const REG_EXP_ESCAPE_CHARS = [ + "!", + "$", + "(", + ")", + "*", + "+", + ".", + "=", + "?", + "[", + "\\", + "^", + "{", + "|" +]; +const RANGE_ESCAPE_CHARS = [ + "-", + "\\", + "]" +]; +function _globToRegExp(c, glob, { extended = true, globstar: globstarOption = true, // os = osType, +caseInsensitive = false } = {}) { + if (glob === "") { + return /(?!)/; + } + // Remove trailing separators. + let newLength = glob.length; + for(; newLength > 1 && c.seps.includes(glob[newLength - 1]); newLength--); + glob = glob.slice(0, newLength); + let regExpString = ""; + // Terminates correctly. Trust that `j` is incremented every iteration. + for(let j = 0; j < glob.length;){ + let segment = ""; + const groupStack = []; + let inRange = false; + let inEscape = false; + let endsWithSep = false; + let i = j; + // Terminates with `i` at the non-inclusive end of the current segment. + for(; i < glob.length && !c.seps.includes(glob[i]); i++){ + if (inEscape) { + inEscape = false; + const escapeChars = inRange ? RANGE_ESCAPE_CHARS : REG_EXP_ESCAPE_CHARS; + segment += escapeChars.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + continue; + } + if (glob[i] === c.escapePrefix) { + inEscape = true; + continue; + } + if (glob[i] === "[") { + if (!inRange) { + inRange = true; + segment += "["; + if (glob[i + 1] === "!") { + i++; + segment += "^"; + } else if (glob[i + 1] === "^") { + i++; + segment += "\\^"; + } + continue; + } else if (glob[i + 1] === ":") { + let k = i + 1; + let value = ""; + while(glob[k + 1] !== undefined && glob[k + 1] !== ":"){ + value += glob[k + 1]; + k++; + } + if (glob[k + 1] === ":" && glob[k + 2] === "]") { + i = k + 2; + if (value === "alnum") segment += "\\dA-Za-z"; + else if (value === "alpha") segment += "A-Za-z"; + else if (value === "ascii") segment += "\x00-\x7F"; + else if (value === "blank") segment += "\t "; + else if (value === "cntrl") segment += "\x00-\x1F\x7F"; + else if (value === "digit") segment += "\\d"; + else if (value === "graph") segment += "\x21-\x7E"; + else if (value === "lower") segment += "a-z"; + else if (value === "print") segment += "\x20-\x7E"; + else if (value === "punct") { + segment += "!\"#$%&'()*+,\\-./:;<=>?@[\\\\\\]^_‘{|}~"; + } else if (value === "space") segment += "\\s\v"; + else if (value === "upper") segment += "A-Z"; + else if (value === "word") segment += "\\w"; + else if (value === "xdigit") segment += "\\dA-Fa-f"; + continue; + } + } + } + if (glob[i] === "]" && inRange) { + inRange = false; + segment += "]"; + continue; + } + if (inRange) { + segment += glob[i]; + continue; + } + if (glob[i] === ")" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += ")"; + const type = groupStack.pop(); + if (type === "!") { + segment += c.wildcard; + } else if (type !== "@") { + segment += type; + } + continue; + } + if (glob[i] === "|" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "+" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("+"); + segment += "(?:"; + continue; + } + if (glob[i] === "@" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("@"); + segment += "(?:"; + continue; + } + if (glob[i] === "?") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("?"); + segment += "(?:"; + } else { + segment += "."; + } + continue; + } + if (glob[i] === "!" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("!"); + segment += "(?!"; + continue; + } + if (glob[i] === "{") { + groupStack.push("BRACE"); + segment += "(?:"; + continue; + } + if (glob[i] === "}" && groupStack[groupStack.length - 1] === "BRACE") { + groupStack.pop(); + segment += ")"; + continue; + } + if (glob[i] === "," && groupStack[groupStack.length - 1] === "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "*") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("*"); + segment += "(?:"; + } else { + const prevChar = glob[i - 1]; + let numStars = 1; + while(glob[i + 1] === "*"){ + i++; + numStars++; + } + const nextChar = glob[i + 1]; + if (globstarOption && numStars === 2 && [ + ...c.seps, + undefined + ].includes(prevChar) && [ + ...c.seps, + undefined + ].includes(nextChar)) { + segment += c.globstar; + endsWithSep = true; + } else { + segment += c.wildcard; + } + } + continue; + } + segment += REG_EXP_ESCAPE_CHARS.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + } + // Check for unclosed groups or a dangling backslash. + if (groupStack.length > 0 || inRange || inEscape) { + // Parse failure. Take all characters from this segment literally. + segment = ""; + for (const c of glob.slice(j, i)){ + segment += REG_EXP_ESCAPE_CHARS.includes(c) ? `\\${c}` : c; + endsWithSep = false; + } + } + regExpString += segment; + if (!endsWithSep) { + regExpString += i < glob.length ? c.sep : c.sepMaybe; + endsWithSep = true; + } + // Terminates with `i` at the start of the next segment. + while(c.seps.includes(glob[i]))i++; + j = i; + } + regExpString = `^${regExpString}$`; + return new RegExp(regExpString, caseInsensitive ? "i" : ""); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const constants = { + sep: "/+", + sepMaybe: "/*", + seps: [ + "/" + ], + globstar: "(?:[^/]*(?:/|$)+)*", + wildcard: "[^/]*", + escapePrefix: "\\" +}; +/** Convert a glob string to a regular expression. + * + * Tries to match bash glob expansion as closely as possible. + * + * Basic glob syntax: + * - `*` - Matches everything without leaving the path segment. + * - `?` - Matches any single character. + * - `{foo,bar}` - Matches `foo` or `bar`. + * - `[abcd]` - Matches `a`, `b`, `c` or `d`. + * - `[a-d]` - Matches `a`, `b`, `c` or `d`. + * - `[!abcd]` - Matches any single character besides `a`, `b`, `c` or `d`. + * - `[[::]]` - Matches any character belonging to ``. + * - `[[:alnum:]]` - Matches any digit or letter. + * - `[[:digit:]abc]` - Matches any digit, `a`, `b` or `c`. + * - See https://facelessuser.github.io/wcmatch/glob/#posix-character-classes + * for a complete list of supported character classes. + * - `\` - Escapes the next character for an `os` other than `"windows"`. + * - \` - Escapes the next character for `os` set to `"windows"`. + * - `/` - Path separator. + * - `\` - Additional path separator only for `os` set to `"windows"`. + * + * Extended syntax: + * - Requires `{ extended: true }`. + * - `?(foo|bar)` - Matches 0 or 1 instance of `{foo,bar}`. + * - `@(foo|bar)` - Matches 1 instance of `{foo,bar}`. They behave the same. + * - `*(foo|bar)` - Matches _n_ instances of `{foo,bar}`. + * - `+(foo|bar)` - Matches _n > 0_ instances of `{foo,bar}`. + * - `!(foo|bar)` - Matches anything other than `{foo,bar}`. + * - See https://www.linuxjournal.com/content/bash-extended-globbing. + * + * Globstar syntax: + * - Requires `{ globstar: true }`. + * - `**` - Matches any number of any path segments. + * - Must comprise its entire path segment in the provided glob. + * - See https://www.linuxjournal.com/content/globstar-new-bash-globbing-option. + * + * Note the following properties: + * - The generated `RegExp` is anchored at both start and end. + * - Repeating and trailing separators are tolerated. Trailing separators in the + * provided glob have no meaning and are discarded. + * - Absolute globs will only match absolute paths, etc. + * - Empty globs will match nothing. + * - Any special glob syntax must be contained to one path segment. For example, + * `?(foo|bar/baz)` is invalid. The separator will take precedence and the + * first segment ends with an unclosed group. + * - If a path segment ends with unclosed groups or a dangling escape prefix, a + * parse error has occurred. Every character for that segment is taken + * literally in this event. + * + * Limitations: + * - A negative group like `!(foo|bar)` will wrongly be converted to a negative + * look-ahead followed by a wildcard. This means that `!(foo).js` will wrongly + * fail to match `foobar.js`, even though `foobar` is not `foo`. Effectively, + * `!(foo|bar)` is treated like `!(@(foo|bar)*)`. This will work correctly if + * the group occurs not nested at the end of the segment. + * + * @example Usage + * ```ts + * import { globToRegExp } from "@std/path/posix/glob-to-regexp"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(globToRegExp("*.js"), /^[^/]*\.js\/*$/); + * ``` + * + * @param glob Glob string to convert. + * @param options Conversion options. + * @returns The regular expression equivalent to the glob. + */ function globToRegExp(glob, options = {}) { + return _globToRegExp(constants, glob, options); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Test whether the given string is a glob. + * + * @example Usage + * ```ts + * import { isGlob } from "@std/path/is-glob"; + * import { assert } from "@std/assert"; + * + * assert(!isGlob("foo/bar/../baz")); + * assert(isGlob("foo/*ar/../baz")); + * ``` + * + * @param str String to test. + * @returns `true` if the given string is a glob, otherwise `false` + */ function isGlob(str) { + const chars = { + "{": "}", + "(": ")", + "[": "]" + }; + const regex = /\\(.)|(^!|\*|\?|[\].+)]\?|\[[^[\\\]]+\]|\{[^{\\}]+\}|\(\?[:!=][^\\)]+\)|\([^(|]+\|[^\\)]+\))/; + if (str === "") { + return false; + } + let match; + while(match = regex.exec(str)){ + if (match[2]) return true; + let idx = match.index + match[0].length; + // if an open bracket/brace/paren is escaped, + // set the index to the next closing character + const open = match[1]; + const close = open ? chars[open] : null; + if (open && close) { + const n = str.indexOf(close, idx); + if (n !== -1) { + idx = n + 1; + } + } + str = str.slice(idx); + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like normalize(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { normalizeGlob } from "@std/path/posix/normalize-glob"; + * import { assertEquals } from "@std/assert"; + * + * const path = normalizeGlob("foo/bar/../*", { globstar: true }); + * assertEquals(path, "foo/*"); + * ``` + * + * @param glob The glob to normalize. + * @param options The options to use. + * @returns The normalized path. + */ function normalizeGlob(glob, options = {}) { + const { globstar = false } = options; + if (glob.match(/\0/g)) { + throw new Error(`Glob contains invalid characters: "${glob}"`); + } + if (!globstar) { + return normalize(glob); + } + const s = SEPARATOR_PATTERN.source; + const badParentPattern = new RegExp(`(?<=(${s}|^)\\*\\*${s})\\.\\.(?=${s}|$)`, "g"); + return normalize(glob.replace(badParentPattern, "\0")).replace(/\0/g, ".."); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like join(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { joinGlobs } from "@std/path/posix/join-globs"; + * import { assertEquals } from "@std/assert"; + * + * const path = joinGlobs(["foo", "bar", "**"], { globstar: true }); + * assertEquals(path, "foo/bar/**"); + * ``` + * + * @param globs The globs to join. + * @param options The options to use. + * @returns The joined path. + */ function joinGlobs(globs, options = {}) { + const { globstar = false } = options; + if (!globstar || globs.length === 0) { + return join(...globs); + } + let joined; + for (const glob of globs){ + const path = glob; + if (path.length > 0) { + if (!joined) joined = path; + else joined += `${SEPARATOR}${path}`; + } + } + if (!joined) return "."; + return normalizeGlob(joined, { + globstar + }); +} + +export { DELIMITER, SEPARATOR, SEPARATOR_PATTERN, basename, common, dirname, extname, format, fromFileUrl, globToRegExp, isAbsolute, isGlob, join, joinGlobs, normalize, normalizeGlob, parse, relative, resolve, toFileUrl, toNamespacedPath }; diff --git a/module/node_modules/@eslint/config-array/dist/esm/std__path/windows.js b/module/node_modules/@eslint/config-array/dist/esm/std__path/windows.js new file mode 100644 index 000000000..229987c6c --- /dev/null +++ b/module/node_modules/@eslint/config-array/dist/esm/std__path/windows.js @@ -0,0 +1,1656 @@ +// @ts-nocheck +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +function assertPath(path) { + if (typeof path !== "string") { + throw new TypeError(`Path must be a string, received "${JSON.stringify(path)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function stripSuffix(name, suffix) { + if (suffix.length >= name.length) { + return name; + } + const lenDiff = name.length - suffix.length; + for(let i = suffix.length - 1; i >= 0; --i){ + if (name.charCodeAt(lenDiff + i) !== suffix.charCodeAt(i)) { + return name; + } + } + return name.slice(0, -suffix.length); +} +function lastPathSegment(path, isSep, start = 0) { + let matchedNonSeparator = false; + let end = path.length; + for(let i = path.length - 1; i >= start; --i){ + if (isSep(path.charCodeAt(i))) { + if (matchedNonSeparator) { + start = i + 1; + break; + } + } else if (!matchedNonSeparator) { + matchedNonSeparator = true; + end = i + 1; + } + } + return path.slice(start, end); +} +function assertArgs$1(path, suffix) { + assertPath(path); + if (path.length === 0) return path; + if (typeof suffix !== "string") { + throw new TypeError(`Suffix must be a string, received "${JSON.stringify(suffix)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Alphabet chars. +const CHAR_UPPERCASE_A = 65; /* A */ +const CHAR_LOWERCASE_A = 97; /* a */ +const CHAR_UPPERCASE_Z = 90; /* Z */ +const CHAR_LOWERCASE_Z = 122; /* z */ +// Non-alphabetic chars. +const CHAR_DOT = 46; /* . */ +const CHAR_FORWARD_SLASH = 47; /* / */ +const CHAR_BACKWARD_SLASH = 92; /* \ */ +const CHAR_COLON = 58; /* : */ +const CHAR_QUESTION_MARK = 63; /* ? */ + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function stripTrailingSeparators(segment, isSep) { + if (segment.length <= 1) { + return segment; + } + let end = segment.length; + for(let i = segment.length - 1; i > 0; i--){ + if (isSep(segment.charCodeAt(i))) { + end = i; + } else { + break; + } + } + return segment.slice(0, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function isPosixPathSeparator(code) { + return code === CHAR_FORWARD_SLASH; +} +function isPathSeparator(code) { + return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH; +} +function isWindowsDeviceRoot(code) { + return code >= CHAR_LOWERCASE_A && code <= CHAR_LOWERCASE_Z || code >= CHAR_UPPERCASE_A && code <= CHAR_UPPERCASE_Z; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$3(url) { + url = url instanceof URL ? url : new URL(url); + if (url.protocol !== "file:") { + throw new TypeError(`URL must be a file URL: received "${url.protocol}"`); + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a file URL to a path string. + * + * @example Usage + * ```ts + * import { fromFileUrl } from "@std/path/windows/from-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(fromFileUrl("file:///home/foo"), "\\home\\foo"); + * assertEquals(fromFileUrl("file:///C:/Users/foo"), "C:\\Users\\foo"); + * assertEquals(fromFileUrl("file://localhost/home/foo"), "\\home\\foo"); + * ``` + * + * @param url The file URL to convert. + * @returns The path string. + */ function fromFileUrl(url) { + url = assertArg$3(url); + let path = decodeURIComponent(url.pathname.replace(/\//g, "\\").replace(/%(?![0-9A-Fa-f]{2})/g, "%25")).replace(/^\\*([A-Za-z]:)(\\|$)/, "$1\\"); + if (url.hostname !== "") { + // Note: The `URL` implementation guarantees that the drive letter and + // hostname are mutually exclusive. Otherwise it would not have been valid + // to append the hostname and path like this. + path = `\\\\${url.hostname}${path}`; + } + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the last portion of a `path`. + * Trailing directory separators are ignored, and optional suffix is removed. + * + * @example Usage + * ```ts + * import { basename } from "@std/path/windows/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("C:\\user\\Documents\\"), "Documents"); + * assertEquals(basename("C:\\user\\Documents\\image.png"), "image.png"); + * assertEquals(basename("C:\\user\\Documents\\image.png", ".png"), "image"); + * assertEquals(basename(new URL("file:///C:/user/Documents/image.png")), "image.png"); + * assertEquals(basename(new URL("file:///C:/user/Documents/image.png"), ".png"), "image"); + * ``` + * + * @param path The path to extract the name from. + * @param suffix The suffix to remove from extracted name. + * @returns The extracted name. + */ function basename(path, suffix = "") { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArgs$1(path, suffix); + // Check for a drive letter prefix so as not to mistake the following + // path separator as an extra separator at the end of the path that can be + // disregarded + let start = 0; + if (path.length >= 2) { + const drive = path.charCodeAt(0); + if (isWindowsDeviceRoot(drive)) { + if (path.charCodeAt(1) === CHAR_COLON) start = 2; + } + } + const lastSegment = lastPathSegment(path, isPathSeparator, start); + const strippedSegment = stripTrailingSeparators(lastSegment, isPathSeparator); + return suffix ? stripSuffix(strippedSegment, suffix) : strippedSegment; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * The character used to separate entries in the PATH environment variable. + */ const DELIMITER = ";"; +/** + * The character used to separate components of a file path. + */ const SEPARATOR = "\\"; +/** + * A regular expression that matches one or more path separators. + */ const SEPARATOR_PATTERN = /[\\/]+/; + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$2(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the directory path of a `path`. + * + * @example Usage + * ```ts + * import { dirname } from "@std/path/windows/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("C:\\foo\\bar\\baz.ext"), "C:\\foo\\bar"); + * assertEquals(dirname(new URL("file:///C:/foo/bar/baz.ext")), "C:\\foo\\bar"); + * ``` + * + * @param path The path to get the directory from. + * @returns The directory path. + */ function dirname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg$2(path); + const len = path.length; + let rootEnd = -1; + let end = -1; + let matchedSlash = true; + let offset = 0; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + rootEnd = offset = 1; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + return path; + } + if (j !== last) { + // We matched a UNC root with leftovers + // Offset by 1 to include the separator after the UNC root to + // treat it as a "normal root" on top of a (UNC) root + rootEnd = offset = j + 1; + } + } + } + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + rootEnd = offset = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) rootEnd = offset = 3; + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid + // unnecessary work + return path; + } + for(let i = len - 1; i >= offset; --i){ + if (isPathSeparator(path.charCodeAt(i))) { + if (!matchedSlash) { + end = i; + break; + } + } else { + // We saw the first non-path separator + matchedSlash = false; + } + } + if (end === -1) { + if (rootEnd === -1) return "."; + else end = rootEnd; + } + return stripTrailingSeparators(path.slice(0, end), isPosixPathSeparator); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the extension of the `path` with leading period. + * + * @example Usage + * ```ts + * import { extname } from "@std/path/windows/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("file.ts"), ".ts"); + * assertEquals(extname(new URL("file:///C:/foo/bar/baz.ext")), ".ext"); + * ``` + * + * @param path The path to get the extension from. + * @returns The extension of the `path`. + */ function extname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertPath(path); + let start = 0; + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Check for a drive letter prefix so as not to mistake the following + // path separator as an extra separator at the end of the path that can be + // disregarded + if (path.length >= 2 && path.charCodeAt(1) === CHAR_COLON && isWindowsDeviceRoot(path.charCodeAt(0))) { + start = startPart = 2; + } + for(let i = path.length - 1; i >= start; --i){ + const code = path.charCodeAt(i); + if (isPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + return ""; + } + return path.slice(startDot, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function _format(sep, pathObject) { + const dir = pathObject.dir || pathObject.root; + const base = pathObject.base || (pathObject.name ?? "") + (pathObject.ext ?? ""); + if (!dir) return base; + if (base === sep) return dir; + if (dir === pathObject.root) return dir + base; + return dir + sep + base; +} +function assertArg$1(pathObject) { + if (pathObject === null || typeof pathObject !== "object") { + throw new TypeError(`The "pathObject" argument must be of type Object, received type "${typeof pathObject}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Generate a path from `ParsedPath` object. + * + * @example Usage + * ```ts + * import { format } from "@std/path/windows/format"; + * import { assertEquals } from "@std/assert"; + * + * const path = format({ + * root: "C:\\", + * dir: "C:\\path\\dir", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * assertEquals(path, "C:\\path\\dir\\file.txt"); + * ``` + * + * @param pathObject The path object to format. + * @returns The formatted path. + */ function format(pathObject) { + assertArg$1(pathObject); + return _format("\\", pathObject); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Verifies whether provided path is absolute. + * + * @example Usage + * ```ts + * import { isAbsolute } from "@std/path/windows/is-absolute"; + * import { assert, assertFalse } from "@std/assert"; + * + * assert(isAbsolute("C:\\foo\\bar")); + * assertFalse(isAbsolute("..\\baz")); + * ``` + * + * @param path The path to verify. + * @returns `true` if the path is absolute, `false` otherwise. + */ function isAbsolute(path) { + assertPath(path); + const len = path.length; + if (len === 0) return false; + const code = path.charCodeAt(0); + if (isPathSeparator(code)) { + return true; + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (len > 2 && path.charCodeAt(1) === CHAR_COLON) { + if (isPathSeparator(path.charCodeAt(2))) return true; + } + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Resolves . and .. elements in a path with directory names +function normalizeString(path, allowAboveRoot, separator, isPathSeparator) { + let res = ""; + let lastSegmentLength = 0; + let lastSlash = -1; + let dots = 0; + let code; + for(let i = 0; i <= path.length; ++i){ + if (i < path.length) code = path.charCodeAt(i); + else if (isPathSeparator(code)) break; + else code = CHAR_FORWARD_SLASH; + if (isPathSeparator(code)) { + if (lastSlash === i - 1 || dots === 1) ; else if (lastSlash !== i - 1 && dots === 2) { + if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== CHAR_DOT || res.charCodeAt(res.length - 2) !== CHAR_DOT) { + if (res.length > 2) { + const lastSlashIndex = res.lastIndexOf(separator); + if (lastSlashIndex === -1) { + res = ""; + lastSegmentLength = 0; + } else { + res = res.slice(0, lastSlashIndex); + lastSegmentLength = res.length - 1 - res.lastIndexOf(separator); + } + lastSlash = i; + dots = 0; + continue; + } else if (res.length === 2 || res.length === 1) { + res = ""; + lastSegmentLength = 0; + lastSlash = i; + dots = 0; + continue; + } + } + if (allowAboveRoot) { + if (res.length > 0) res += `${separator}..`; + else res = ".."; + lastSegmentLength = 2; + } + } else { + if (res.length > 0) res += separator + path.slice(lastSlash + 1, i); + else res = path.slice(lastSlash + 1, i); + lastSegmentLength = i - lastSlash - 1; + } + lastSlash = i; + dots = 0; + } else if (code === CHAR_DOT && dots !== -1) { + ++dots; + } else { + dots = -1; + } + } + return res; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Normalize the `path`, resolving `'..'` and `'.'` segments. + * Note that resolving these segments does not necessarily mean that all will be eliminated. + * A `'..'` at the top-level will be preserved, and an empty path is canonically `'.'`. + * + * @example Usage + * ```ts + * import { normalize } from "@std/path/windows/normalize"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(normalize("C:\\foo\\..\\bar"), "C:\\bar"); + * assertEquals(normalize(new URL("file:///C:/foo/../bar")), "C:\\bar"); + * ``` + * + * @param path The path to normalize + * @returns The normalized path + */ function normalize(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg(path); + const len = path.length; + let rootEnd = 0; + let device; + let isAbsolute = false; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + // If we started with a separator, we know we at least have an absolute + // path of some kind (UNC or otherwise) + isAbsolute = true; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + const firstPart = path.slice(last, j); + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + // Return the normalized version of the UNC root since there + // is nothing left to process + return `\\\\${firstPart}\\${path.slice(last)}\\`; + } else if (j !== last) { + // We matched a UNC root with leftovers + device = `\\\\${firstPart}\\${path.slice(last, j)}`; + rootEnd = j; + } + } + } + } else { + rootEnd = 1; + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + device = path.slice(0, 2); + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + // Treat separator following drive name as an absolute path + // indicator + isAbsolute = true; + rootEnd = 3; + } + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid unnecessary + // work + return "\\"; + } + let tail; + if (rootEnd < len) { + tail = normalizeString(path.slice(rootEnd), !isAbsolute, "\\", isPathSeparator); + } else { + tail = ""; + } + if (tail.length === 0 && !isAbsolute) tail = "."; + if (tail.length > 0 && isPathSeparator(path.charCodeAt(len - 1))) { + tail += "\\"; + } + if (device === undefined) { + if (isAbsolute) { + if (tail.length > 0) return `\\${tail}`; + else return "\\"; + } + return tail; + } else if (isAbsolute) { + if (tail.length > 0) return `${device}\\${tail}`; + else return `${device}\\`; + } + return device + tail; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Join all given a sequence of `paths`,then normalizes the resulting path. + * + * @example Usage + * ```ts + * import { join } from "@std/path/windows/join"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(join("C:\\foo", "bar", "baz\\.."), "C:\\foo\\bar"); + * assertEquals(join(new URL("file:///C:/foo"), "bar", "baz\\.."), "C:\\foo\\bar"); + * ``` + * + * @param path The path to join. This can be string or file URL. + * @param paths The paths to join. + * @returns The joined path. + */ function join(path, ...paths) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + paths = path ? [ + path, + ...paths + ] : paths; + paths.forEach((path)=>assertPath(path)); + paths = paths.filter((path)=>path.length > 0); + if (paths.length === 0) return "."; + // Make sure that the joined path doesn't start with two slashes, because + // normalize() will mistake it for an UNC path then. + // + // This step is skipped when it is very clear that the user actually + // intended to point at an UNC path. This is assumed when the first + // non-empty string arguments starts with exactly two slashes followed by + // at least one more non-slash character. + // + // Note that for normalize() to treat a path as an UNC path it needs to + // have at least 2 components, so we don't filter for that here. + // This means that the user can use join to construct UNC paths from + // a server name and a share name; for example: + // path.join('//server', 'share') -> '\\\\server\\share\\' + let needsReplace = true; + let slashCount = 0; + const firstPart = paths[0]; + if (isPathSeparator(firstPart.charCodeAt(0))) { + ++slashCount; + const firstLen = firstPart.length; + if (firstLen > 1) { + if (isPathSeparator(firstPart.charCodeAt(1))) { + ++slashCount; + if (firstLen > 2) { + if (isPathSeparator(firstPart.charCodeAt(2))) ++slashCount; + else { + // We matched a UNC path in the first part + needsReplace = false; + } + } + } + } + } + let joined = paths.join("\\"); + if (needsReplace) { + // Find any more consecutive slashes we need to replace + for(; slashCount < joined.length; ++slashCount){ + if (!isPathSeparator(joined.charCodeAt(slashCount))) break; + } + // Replace the slashes if needed + if (slashCount >= 2) joined = `\\${joined.slice(slashCount)}`; + } + return normalize(joined); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return a `ParsedPath` object of the `path`. + * + * @example Usage + * ```ts + * import { parse } from "@std/path/windows/parse"; + * import { assertEquals } from "@std/assert"; + * + * const parsed = parse("C:\\foo\\bar\\baz.ext"); + * assertEquals(parsed, { + * root: "C:\\", + * dir: "C:\\foo\\bar", + * base: "baz.ext", + * ext: ".ext", + * name: "baz", + * }); + * ``` + * + * @param path The path to parse. + * @returns The `ParsedPath` object. + */ function parse(path) { + assertPath(path); + const ret = { + root: "", + dir: "", + base: "", + ext: "", + name: "" + }; + const len = path.length; + if (len === 0) return ret; + let rootEnd = 0; + let code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + rootEnd = 1; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + rootEnd = j; + } else if (j !== last) { + // We matched a UNC root with leftovers + rootEnd = j + 1; + } + } + } + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + if (len === 3) { + // `path` contains just a drive root, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + ret.base = "\\"; + return ret; + } + rootEnd = 3; + } + } else { + // `path` contains just a relative drive root, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + return ret; + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + ret.base = "\\"; + return ret; + } + if (rootEnd > 0) ret.root = path.slice(0, rootEnd); + let startDot = -1; + let startPart = rootEnd; + let end = -1; + let matchedSlash = true; + let i = path.length - 1; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Get non-dir info + for(; i >= rootEnd; --i){ + code = path.charCodeAt(i); + if (isPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + if (end !== -1) { + ret.base = ret.name = path.slice(startPart, end); + } + } else { + ret.name = path.slice(startPart, startDot); + ret.base = path.slice(startPart, end); + ret.ext = path.slice(startDot, end); + } + // Fallback to '\' in case there is no basename + ret.base = ret.base || "\\"; + // If the directory is the root, use the entire root as the `dir` including + // the trailing slash if any (`C:\abc` -> `C:\`). Otherwise, strip out the + // trailing slash (`C:\abc\def` -> `C:\abc`). + if (startPart > 0 && startPart !== rootEnd) { + ret.dir = path.slice(0, startPart - 1); + } else ret.dir = ret.root; + return ret; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path segments into a `path`. + * + * @example Usage + * ```ts + * import { resolve } from "@std/path/windows/resolve"; + * import { assertEquals } from "@std/assert"; + * + * const resolved = resolve("C:\\foo\\bar", "..\\baz"); + * assertEquals(resolved, "C:\\foo\\baz"); + * ``` + * + * @param pathSegments The path segments to process to path + * @returns The resolved path + */ function resolve(...pathSegments) { + let resolvedDevice = ""; + let resolvedTail = ""; + let resolvedAbsolute = false; + for(let i = pathSegments.length - 1; i >= -1; i--){ + let path; + // deno-lint-ignore no-explicit-any + const { Deno } = globalThis; + if (i >= 0) { + path = pathSegments[i]; + } else if (!resolvedDevice) { + if (typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a drive-letter-less path without a current working directory (CWD)"); + } + path = Deno.cwd(); + } else { + if (typeof Deno?.env?.get !== "function" || typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a relative path without a current working directory (CWD)"); + } + path = Deno.cwd(); + // Verify that a cwd was found and that it actually points + // to our drive. If not, default to the drive's root. + if (path === undefined || path.slice(0, 3).toLowerCase() !== `${resolvedDevice.toLowerCase()}\\`) { + path = `${resolvedDevice}\\`; + } + } + assertPath(path); + const len = path.length; + // Skip empty entries + if (len === 0) continue; + let rootEnd = 0; + let device = ""; + let isAbsolute = false; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + // If we started with a separator, we know we at least have an + // absolute path of some kind (UNC or otherwise) + isAbsolute = true; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + const firstPart = path.slice(last, j); + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + device = `\\\\${firstPart}\\${path.slice(last)}`; + rootEnd = j; + } else if (j !== last) { + // We matched a UNC root with leftovers + device = `\\\\${firstPart}\\${path.slice(last, j)}`; + rootEnd = j; + } + } + } + } else { + rootEnd = 1; + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + device = path.slice(0, 2); + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + // Treat separator following drive name as an absolute path + // indicator + isAbsolute = true; + rootEnd = 3; + } + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator + rootEnd = 1; + isAbsolute = true; + } + if (device.length > 0 && resolvedDevice.length > 0 && device.toLowerCase() !== resolvedDevice.toLowerCase()) { + continue; + } + if (resolvedDevice.length === 0 && device.length > 0) { + resolvedDevice = device; + } + if (!resolvedAbsolute) { + resolvedTail = `${path.slice(rootEnd)}\\${resolvedTail}`; + resolvedAbsolute = isAbsolute; + } + if (resolvedAbsolute && resolvedDevice.length > 0) break; + } + // At this point the path should be resolved to a full absolute path, + // but handle relative paths to be safe (might happen when Deno.cwd() + // fails) + // Normalize the tail path + resolvedTail = normalizeString(resolvedTail, !resolvedAbsolute, "\\", isPathSeparator); + return resolvedDevice + (resolvedAbsolute ? "\\" : "") + resolvedTail || "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArgs(from, to) { + assertPath(from); + assertPath(to); + if (from === to) return ""; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the relative path from `from` to `to` based on current working directory. + * + * An example in windws, for instance: + * from = 'C:\\orandea\\test\\aaa' + * to = 'C:\\orandea\\impl\\bbb' + * The output of the function should be: '..\\..\\impl\\bbb' + * + * @example Usage + * ```ts + * import { relative } from "@std/path/windows/relative"; + * import { assertEquals } from "@std/assert"; + * + * const relativePath = relative("C:\\foobar\\test\\aaa", "C:\\foobar\\impl\\bbb"); + * assertEquals(relativePath, "..\\..\\impl\\bbb"); + * ``` + * + * @param from The path from which to calculate the relative path + * @param to The path to which to calculate the relative path + * @returns The relative path from `from` to `to` + */ function relative(from, to) { + assertArgs(from, to); + const fromOrig = resolve(from); + const toOrig = resolve(to); + if (fromOrig === toOrig) return ""; + from = fromOrig.toLowerCase(); + to = toOrig.toLowerCase(); + if (from === to) return ""; + // Trim any leading backslashes + let fromStart = 0; + let fromEnd = from.length; + for(; fromStart < fromEnd; ++fromStart){ + if (from.charCodeAt(fromStart) !== CHAR_BACKWARD_SLASH) break; + } + // Trim trailing backslashes (applicable to UNC paths only) + for(; fromEnd - 1 > fromStart; --fromEnd){ + if (from.charCodeAt(fromEnd - 1) !== CHAR_BACKWARD_SLASH) break; + } + const fromLen = fromEnd - fromStart; + // Trim any leading backslashes + let toStart = 0; + let toEnd = to.length; + for(; toStart < toEnd; ++toStart){ + if (to.charCodeAt(toStart) !== CHAR_BACKWARD_SLASH) break; + } + // Trim trailing backslashes (applicable to UNC paths only) + for(; toEnd - 1 > toStart; --toEnd){ + if (to.charCodeAt(toEnd - 1) !== CHAR_BACKWARD_SLASH) break; + } + const toLen = toEnd - toStart; + // Compare paths to find the longest common path from root + const length = fromLen < toLen ? fromLen : toLen; + let lastCommonSep = -1; + let i = 0; + for(; i <= length; ++i){ + if (i === length) { + if (toLen > length) { + if (to.charCodeAt(toStart + i) === CHAR_BACKWARD_SLASH) { + // We get here if `from` is the exact base path for `to`. + // For example: from='C:\\foo\\bar'; to='C:\\foo\\bar\\baz' + return toOrig.slice(toStart + i + 1); + } else if (i === 2) { + // We get here if `from` is the device root. + // For example: from='C:\\'; to='C:\\foo' + return toOrig.slice(toStart + i); + } + } + if (fromLen > length) { + if (from.charCodeAt(fromStart + i) === CHAR_BACKWARD_SLASH) { + // We get here if `to` is the exact base path for `from`. + // For example: from='C:\\foo\\bar'; to='C:\\foo' + lastCommonSep = i; + } else if (i === 2) { + // We get here if `to` is the device root. + // For example: from='C:\\foo\\bar'; to='C:\\' + lastCommonSep = 3; + } + } + break; + } + const fromCode = from.charCodeAt(fromStart + i); + const toCode = to.charCodeAt(toStart + i); + if (fromCode !== toCode) break; + else if (fromCode === CHAR_BACKWARD_SLASH) lastCommonSep = i; + } + // We found a mismatch before the first common path separator was seen, so + // return the original `to`. + if (i !== length && lastCommonSep === -1) { + return toOrig; + } + let out = ""; + if (lastCommonSep === -1) lastCommonSep = 0; + // Generate the relative path based on the path difference between `to` and + // `from` + for(i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i){ + if (i === fromEnd || from.charCodeAt(i) === CHAR_BACKWARD_SLASH) { + if (out.length === 0) out += ".."; + else out += "\\.."; + } + } + // Lastly, append the rest of the destination (`to`) path that comes after + // the common path parts + if (out.length > 0) { + return out + toOrig.slice(toStart + lastCommonSep, toEnd); + } else { + toStart += lastCommonSep; + if (toOrig.charCodeAt(toStart) === CHAR_BACKWARD_SLASH) ++toStart; + return toOrig.slice(toStart, toEnd); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const WHITESPACE_ENCODINGS = { + "\u0009": "%09", + "\u000A": "%0A", + "\u000B": "%0B", + "\u000C": "%0C", + "\u000D": "%0D", + "\u0020": "%20" +}; +function encodeWhitespace(string) { + return string.replaceAll(/[\s]/g, (c)=>{ + return WHITESPACE_ENCODINGS[c] ?? c; + }); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path string to a file URL. + * + * @example Usage + * ```ts + * import { toFileUrl } from "@std/path/windows/to-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toFileUrl("\\home\\foo"), new URL("file:///home/foo")); + * assertEquals(toFileUrl("C:\\Users\\foo"), new URL("file:///C:/Users/foo")); + * assertEquals(toFileUrl("\\\\127.0.0.1\\home\\foo"), new URL("file://127.0.0.1/home/foo")); + * ``` + * @param path The path to convert. + * @returns The file URL. + */ function toFileUrl(path) { + if (!isAbsolute(path)) { + throw new TypeError(`Path must be absolute: received "${path}"`); + } + const [, hostname, pathname] = path.match(/^(?:[/\\]{2}([^/\\]+)(?=[/\\](?:[^/\\]|$)))?(.*)/); + const url = new URL("file:///"); + url.pathname = encodeWhitespace(pathname.replace(/%/g, "%25")); + if (hostname !== undefined && hostname !== "localhost") { + url.hostname = hostname; + if (!url.hostname) { + throw new TypeError(`Invalid hostname: "${url.hostname}"`); + } + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path to a namespace path + * + * @example Usage + * ```ts + * import { toNamespacedPath } from "@std/path/windows/to-namespaced-path"; + * import { assertEquals } from "@std/assert"; + * + * const namespaced = toNamespacedPath("C:\\foo\\bar"); + * assertEquals(namespaced, "\\\\?\\C:\\foo\\bar"); + * ``` + * + * @param path The path to resolve to namespaced path + * @returns The resolved namespaced path + */ function toNamespacedPath(path) { + // Note: this will *probably* throw somewhere. + if (typeof path !== "string") return path; + if (path.length === 0) return ""; + const resolvedPath = resolve(path); + if (resolvedPath.length >= 3) { + if (resolvedPath.charCodeAt(0) === CHAR_BACKWARD_SLASH) { + // Possible UNC root + if (resolvedPath.charCodeAt(1) === CHAR_BACKWARD_SLASH) { + const code = resolvedPath.charCodeAt(2); + if (code !== CHAR_QUESTION_MARK && code !== CHAR_DOT) { + // Matched non-long UNC root, convert the path to a long UNC path + return `\\\\?\\UNC\\${resolvedPath.slice(2)}`; + } + } + } else if (isWindowsDeviceRoot(resolvedPath.charCodeAt(0))) { + // Possible device root + if (resolvedPath.charCodeAt(1) === CHAR_COLON && resolvedPath.charCodeAt(2) === CHAR_BACKWARD_SLASH) { + // Matched device root, convert the path to a long UNC path + return `\\\\?\\${resolvedPath}`; + } + } + } + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function common$1(paths, sep) { + const [first = "", ...remaining] = paths; + const parts = first.split(sep); + let endOfPrefix = parts.length; + let append = ""; + for (const path of remaining){ + const compare = path.split(sep); + if (compare.length <= endOfPrefix) { + endOfPrefix = compare.length; + append = ""; + } + for(let i = 0; i < endOfPrefix; i++){ + if (compare[i] !== parts[i]) { + endOfPrefix = i; + append = i === 0 ? "" : sep; + break; + } + } + } + return parts.slice(0, endOfPrefix).join(sep) + append; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Determines the common path from a set of paths for Windows systems. + * + * @example Usage + * ```ts + * import { common } from "@std/path/windows/common"; + * import { assertEquals } from "@std/assert"; + * + * const path = common([ + * "C:\\foo\\bar", + * "C:\\foo\\baz", + * ]); + * assertEquals(path, "C:\\foo\\"); + * ``` + * + * @param paths The paths to compare. + * @returns The common path. + */ function common(paths) { + return common$1(paths, SEPARATOR); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Options for {@linkcode globToRegExp}, {@linkcode joinGlobs}, + * {@linkcode normalizeGlob} and {@linkcode expandGlob}. + */ const REG_EXP_ESCAPE_CHARS = [ + "!", + "$", + "(", + ")", + "*", + "+", + ".", + "=", + "?", + "[", + "\\", + "^", + "{", + "|" +]; +const RANGE_ESCAPE_CHARS = [ + "-", + "\\", + "]" +]; +function _globToRegExp(c, glob, { extended = true, globstar: globstarOption = true, // os = osType, +caseInsensitive = false } = {}) { + if (glob === "") { + return /(?!)/; + } + // Remove trailing separators. + let newLength = glob.length; + for(; newLength > 1 && c.seps.includes(glob[newLength - 1]); newLength--); + glob = glob.slice(0, newLength); + let regExpString = ""; + // Terminates correctly. Trust that `j` is incremented every iteration. + for(let j = 0; j < glob.length;){ + let segment = ""; + const groupStack = []; + let inRange = false; + let inEscape = false; + let endsWithSep = false; + let i = j; + // Terminates with `i` at the non-inclusive end of the current segment. + for(; i < glob.length && !c.seps.includes(glob[i]); i++){ + if (inEscape) { + inEscape = false; + const escapeChars = inRange ? RANGE_ESCAPE_CHARS : REG_EXP_ESCAPE_CHARS; + segment += escapeChars.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + continue; + } + if (glob[i] === c.escapePrefix) { + inEscape = true; + continue; + } + if (glob[i] === "[") { + if (!inRange) { + inRange = true; + segment += "["; + if (glob[i + 1] === "!") { + i++; + segment += "^"; + } else if (glob[i + 1] === "^") { + i++; + segment += "\\^"; + } + continue; + } else if (glob[i + 1] === ":") { + let k = i + 1; + let value = ""; + while(glob[k + 1] !== undefined && glob[k + 1] !== ":"){ + value += glob[k + 1]; + k++; + } + if (glob[k + 1] === ":" && glob[k + 2] === "]") { + i = k + 2; + if (value === "alnum") segment += "\\dA-Za-z"; + else if (value === "alpha") segment += "A-Za-z"; + else if (value === "ascii") segment += "\x00-\x7F"; + else if (value === "blank") segment += "\t "; + else if (value === "cntrl") segment += "\x00-\x1F\x7F"; + else if (value === "digit") segment += "\\d"; + else if (value === "graph") segment += "\x21-\x7E"; + else if (value === "lower") segment += "a-z"; + else if (value === "print") segment += "\x20-\x7E"; + else if (value === "punct") { + segment += "!\"#$%&'()*+,\\-./:;<=>?@[\\\\\\]^_‘{|}~"; + } else if (value === "space") segment += "\\s\v"; + else if (value === "upper") segment += "A-Z"; + else if (value === "word") segment += "\\w"; + else if (value === "xdigit") segment += "\\dA-Fa-f"; + continue; + } + } + } + if (glob[i] === "]" && inRange) { + inRange = false; + segment += "]"; + continue; + } + if (inRange) { + segment += glob[i]; + continue; + } + if (glob[i] === ")" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += ")"; + const type = groupStack.pop(); + if (type === "!") { + segment += c.wildcard; + } else if (type !== "@") { + segment += type; + } + continue; + } + if (glob[i] === "|" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "+" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("+"); + segment += "(?:"; + continue; + } + if (glob[i] === "@" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("@"); + segment += "(?:"; + continue; + } + if (glob[i] === "?") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("?"); + segment += "(?:"; + } else { + segment += "."; + } + continue; + } + if (glob[i] === "!" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("!"); + segment += "(?!"; + continue; + } + if (glob[i] === "{") { + groupStack.push("BRACE"); + segment += "(?:"; + continue; + } + if (glob[i] === "}" && groupStack[groupStack.length - 1] === "BRACE") { + groupStack.pop(); + segment += ")"; + continue; + } + if (glob[i] === "," && groupStack[groupStack.length - 1] === "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "*") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("*"); + segment += "(?:"; + } else { + const prevChar = glob[i - 1]; + let numStars = 1; + while(glob[i + 1] === "*"){ + i++; + numStars++; + } + const nextChar = glob[i + 1]; + if (globstarOption && numStars === 2 && [ + ...c.seps, + undefined + ].includes(prevChar) && [ + ...c.seps, + undefined + ].includes(nextChar)) { + segment += c.globstar; + endsWithSep = true; + } else { + segment += c.wildcard; + } + } + continue; + } + segment += REG_EXP_ESCAPE_CHARS.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + } + // Check for unclosed groups or a dangling backslash. + if (groupStack.length > 0 || inRange || inEscape) { + // Parse failure. Take all characters from this segment literally. + segment = ""; + for (const c of glob.slice(j, i)){ + segment += REG_EXP_ESCAPE_CHARS.includes(c) ? `\\${c}` : c; + endsWithSep = false; + } + } + regExpString += segment; + if (!endsWithSep) { + regExpString += i < glob.length ? c.sep : c.sepMaybe; + endsWithSep = true; + } + // Terminates with `i` at the start of the next segment. + while(c.seps.includes(glob[i]))i++; + j = i; + } + regExpString = `^${regExpString}$`; + return new RegExp(regExpString, caseInsensitive ? "i" : ""); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const constants = { + sep: "(?:\\\\|/)+", + sepMaybe: "(?:\\\\|/)*", + seps: [ + "\\", + "/" + ], + globstar: "(?:[^\\\\/]*(?:\\\\|/|$)+)*", + wildcard: "[^\\\\/]*", + escapePrefix: "`" +}; +/** Convert a glob string to a regular expression. + * + * Tries to match bash glob expansion as closely as possible. + * + * Basic glob syntax: + * - `*` - Matches everything without leaving the path segment. + * - `?` - Matches any single character. + * - `{foo,bar}` - Matches `foo` or `bar`. + * - `[abcd]` - Matches `a`, `b`, `c` or `d`. + * - `[a-d]` - Matches `a`, `b`, `c` or `d`. + * - `[!abcd]` - Matches any single character besides `a`, `b`, `c` or `d`. + * - `[[::]]` - Matches any character belonging to ``. + * - `[[:alnum:]]` - Matches any digit or letter. + * - `[[:digit:]abc]` - Matches any digit, `a`, `b` or `c`. + * - See https://facelessuser.github.io/wcmatch/glob/#posix-character-classes + * for a complete list of supported character classes. + * - `\` - Escapes the next character for an `os` other than `"windows"`. + * - \` - Escapes the next character for `os` set to `"windows"`. + * - `/` - Path separator. + * - `\` - Additional path separator only for `os` set to `"windows"`. + * + * Extended syntax: + * - Requires `{ extended: true }`. + * - `?(foo|bar)` - Matches 0 or 1 instance of `{foo,bar}`. + * - `@(foo|bar)` - Matches 1 instance of `{foo,bar}`. They behave the same. + * - `*(foo|bar)` - Matches _n_ instances of `{foo,bar}`. + * - `+(foo|bar)` - Matches _n > 0_ instances of `{foo,bar}`. + * - `!(foo|bar)` - Matches anything other than `{foo,bar}`. + * - See https://www.linuxjournal.com/content/bash-extended-globbing. + * + * Globstar syntax: + * - Requires `{ globstar: true }`. + * - `**` - Matches any number of any path segments. + * - Must comprise its entire path segment in the provided glob. + * - See https://www.linuxjournal.com/content/globstar-new-bash-globbing-option. + * + * Note the following properties: + * - The generated `RegExp` is anchored at both start and end. + * - Repeating and trailing separators are tolerated. Trailing separators in the + * provided glob have no meaning and are discarded. + * - Absolute globs will only match absolute paths, etc. + * - Empty globs will match nothing. + * - Any special glob syntax must be contained to one path segment. For example, + * `?(foo|bar/baz)` is invalid. The separator will take precedence and the + * first segment ends with an unclosed group. + * - If a path segment ends with unclosed groups or a dangling escape prefix, a + * parse error has occurred. Every character for that segment is taken + * literally in this event. + * + * Limitations: + * - A negative group like `!(foo|bar)` will wrongly be converted to a negative + * look-ahead followed by a wildcard. This means that `!(foo).js` will wrongly + * fail to match `foobar.js`, even though `foobar` is not `foo`. Effectively, + * `!(foo|bar)` is treated like `!(@(foo|bar)*)`. This will work correctly if + * the group occurs not nested at the end of the segment. + * + * @example Usage + * ```ts + * import { globToRegExp } from "@std/path/windows/glob-to-regexp"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(globToRegExp("*.js"), /^[^\\/]*\.js(?:\\|\/)*$/); + * ``` + * + * @param glob Glob string to convert. + * @param options Conversion options. + * @returns The regular expression equivalent to the glob. + */ function globToRegExp(glob, options = {}) { + return _globToRegExp(constants, glob, options); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Test whether the given string is a glob. + * + * @example Usage + * ```ts + * import { isGlob } from "@std/path/is-glob"; + * import { assert } from "@std/assert"; + * + * assert(!isGlob("foo/bar/../baz")); + * assert(isGlob("foo/*ar/../baz")); + * ``` + * + * @param str String to test. + * @returns `true` if the given string is a glob, otherwise `false` + */ function isGlob(str) { + const chars = { + "{": "}", + "(": ")", + "[": "]" + }; + const regex = /\\(.)|(^!|\*|\?|[\].+)]\?|\[[^[\\\]]+\]|\{[^{\\}]+\}|\(\?[:!=][^\\)]+\)|\([^(|]+\|[^\\)]+\))/; + if (str === "") { + return false; + } + let match; + while(match = regex.exec(str)){ + if (match[2]) return true; + let idx = match.index + match[0].length; + // if an open bracket/brace/paren is escaped, + // set the index to the next closing character + const open = match[1]; + const close = open ? chars[open] : null; + if (open && close) { + const n = str.indexOf(close, idx); + if (n !== -1) { + idx = n + 1; + } + } + str = str.slice(idx); + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like normalize(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { normalizeGlob } from "@std/path/windows/normalize-glob"; + * import { assertEquals } from "@std/assert"; + * + * const normalized = normalizeGlob("**\\foo\\..\\bar", { globstar: true }); + * assertEquals(normalized, "**\\bar"); + * ``` + * + * @param glob The glob pattern to normalize. + * @param options The options for glob pattern. + * @returns The normalized glob pattern. + */ function normalizeGlob(glob, options = {}) { + const { globstar = false } = options; + if (glob.match(/\0/g)) { + throw new Error(`Glob contains invalid characters: "${glob}"`); + } + if (!globstar) { + return normalize(glob); + } + const s = SEPARATOR_PATTERN.source; + const badParentPattern = new RegExp(`(?<=(${s}|^)\\*\\*${s})\\.\\.(?=${s}|$)`, "g"); + return normalize(glob.replace(badParentPattern, "\0")).replace(/\0/g, ".."); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like join(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * + * ```ts + * import { joinGlobs } from "@std/path/windows/join-globs"; + * import { assertEquals } from "@std/assert"; + * + * const joined = joinGlobs(["foo", "**", "bar"], { globstar: true }); + * assertEquals(joined, "foo\\**\\bar"); + * ``` + * + * @param globs The globs to join. + * @param options The options for glob pattern. + * @returns The joined glob pattern. + */ function joinGlobs(globs, options = {}) { + const { globstar = false } = options; + if (!globstar || globs.length === 0) { + return join(...globs); + } + let joined; + for (const glob of globs){ + const path = glob; + if (path.length > 0) { + if (!joined) joined = path; + else joined += `${SEPARATOR}${path}`; + } + } + if (!joined) return "."; + return normalizeGlob(joined, { + globstar + }); +} + +export { DELIMITER, SEPARATOR, SEPARATOR_PATTERN, basename, common, dirname, extname, format, fromFileUrl, globToRegExp, isAbsolute, isGlob, join, joinGlobs, normalize, normalizeGlob, parse, relative, resolve, toFileUrl, toNamespacedPath }; diff --git a/module/node_modules/@eslint/config-array/dist/esm/types.d.ts b/module/node_modules/@eslint/config-array/dist/esm/types.d.ts new file mode 100644 index 000000000..65934c88c --- /dev/null +++ b/module/node_modules/@eslint/config-array/dist/esm/types.d.ts @@ -0,0 +1,23 @@ +/** + * @fileoverview Types for the config-array package. + * @author Nicholas C. Zakas + */ +export interface ConfigObject { + /** + * The base path for files and ignores. + */ + basePath?: string; + /** + * The files to include. + */ + files?: string[]; + /** + * The files to exclude. + */ + ignores?: string[]; + /** + * The name of the config object. + */ + name?: string; + [key: string]: unknown; +} diff --git a/module/node_modules/@eslint/config-array/dist/esm/types.ts b/module/node_modules/@eslint/config-array/dist/esm/types.ts new file mode 100644 index 000000000..eea2e47f3 --- /dev/null +++ b/module/node_modules/@eslint/config-array/dist/esm/types.ts @@ -0,0 +1,29 @@ +/** + * @fileoverview Types for the config-array package. + * @author Nicholas C. Zakas + */ + +export interface ConfigObject { + /** + * The base path for files and ignores. + */ + basePath?: string; + + /** + * The files to include. + */ + files?: string[]; + + /** + * The files to exclude. + */ + ignores?: string[]; + + /** + * The name of the config object. + */ + name?: string; + + // may also have any number of other properties + [key: string]: unknown; +} diff --git a/module/node_modules/@eslint/config-array/package.json b/module/node_modules/@eslint/config-array/package.json new file mode 100644 index 000000000..af492d890 --- /dev/null +++ b/module/node_modules/@eslint/config-array/package.json @@ -0,0 +1,64 @@ +{ + "name": "@eslint/config-array", + "version": "0.21.1", + "description": "General purpose glob-based configuration matching.", + "author": "Nicholas C. Zakas", + "type": "module", + "main": "dist/esm/index.js", + "types": "dist/esm/index.d.ts", + "exports": { + "require": { + "types": "./dist/cjs/index.d.cts", + "default": "./dist/cjs/index.cjs" + }, + "import": { + "types": "./dist/esm/index.d.ts", + "default": "./dist/esm/index.js" + } + }, + "files": [ + "dist" + ], + "publishConfig": { + "access": "public" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/eslint/rewrite.git", + "directory": "packages/config-array" + }, + "bugs": { + "url": "https://github.com/eslint/rewrite/issues" + }, + "homepage": "https://github.com/eslint/rewrite/tree/main/packages/config-array#readme", + "scripts": { + "build:dedupe-types": "node ../../tools/dedupe-types.js dist/cjs/index.cjs dist/esm/index.js", + "build:cts": "node ../../tools/build-cts.js dist/esm/index.d.ts dist/cjs/index.d.cts", + "build:std__path": "rollup -c rollup.std__path-config.js && node fix-std__path-imports", + "build": "rollup -c && npm run build:dedupe-types && tsc -p tsconfig.esm.json && npm run build:cts && npm run build:std__path", + "pretest": "npm run build", + "test": "mocha \"tests/**/*.test.js\"", + "test:coverage": "c8 npm test", + "test:jsr": "npx jsr@latest publish --dry-run", + "test:types": "tsc -p tests/types/tsconfig.json" + }, + "keywords": [ + "configuration", + "configarray", + "config file" + ], + "license": "Apache-2.0", + "dependencies": { + "@eslint/object-schema": "^2.1.7", + "debug": "^4.3.1", + "minimatch": "^3.1.2" + }, + "devDependencies": { + "@jsr/std__path": "^1.0.4", + "@types/minimatch": "^3.0.5", + "rollup-plugin-copy": "^3.5.0" + }, + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + } +} diff --git a/module/node_modules/@eslint/config-helpers/LICENSE b/module/node_modules/@eslint/config-helpers/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/module/node_modules/@eslint/config-helpers/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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Here's an example: + +```js +// eslint.config.js +import { defineConfig } from "@eslint/config-helpers"; +import js from "@eslint/js"; + +export default defineConfig([ + { + files: ["src/**/*.js"], + plugins: { js }, + extends: ["js/recommended"], + rules: { + semi: "error", + "prefer-const": "error", + }, + }, + { + files: ["test/**/*.js"], + rules: { + "no-console": "off", + }, + }, +]); +``` + +### `globalIgnores()` + +The `globalIgnores()` function allows you to specify patterns for files and directories that should be globally ignored by ESLint. This is useful for excluding files that you don't want to lint, such as build directories or third-party libraries. Here's an example: + +```js +// eslint.config.js +import { defineConfig, globalIgnores } from "@eslint/config-helpers"; + +export default defineConfig([ + { + files: ["src/**/*.js"], + rules: { + semi: "error", + "prefer-const": "error", + }, + }, + globalIgnores(["node_modules/", "dist/", "coverage/"]), +]); +``` + +## License + +Apache 2.0 + + + + +## Sponsors + +The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. [Become a Sponsor](https://eslint.org/donate) +to get your logo on our READMEs and [website](https://eslint.org/sponsors). + +

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+ diff --git a/module/node_modules/@eslint/config-helpers/dist/cjs/index.cjs b/module/node_modules/@eslint/config-helpers/dist/cjs/index.cjs new file mode 100644 index 000000000..d7b248907 --- /dev/null +++ b/module/node_modules/@eslint/config-helpers/dist/cjs/index.cjs @@ -0,0 +1,588 @@ +'use strict'; + +/** + * @fileoverview defineConfig helper + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + +/** @import * as $eslintcore from "@eslint/core"; */ +/** @typedef {$eslintcore.ConfigObject} Config */ +/** @typedef {$eslintcore.LegacyConfigObject} LegacyConfig */ +/** @typedef {$eslintcore.Plugin} Plugin */ +/** @typedef {$eslintcore.RuleConfig} RuleConfig */ +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.ExtendsElement} ExtendsElement */ +/** @typedef {$typests.SimpleExtendsElement} SimpleExtendsElement */ +/** @typedef {$typests.ConfigWithExtends} ConfigWithExtends */ +/** @typedef {$typests.InfiniteArray} InfiniteConfigArray */ +/** @typedef {$typests.ConfigWithExtendsArray} ConfigWithExtendsArray */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const eslintrcKeys = [ + "env", + "extends", + "globals", + "ignorePatterns", + "noInlineConfig", + "overrides", + "parser", + "parserOptions", + "reportUnusedDisableDirectives", + "root", +]; + +const allowedGlobalIgnoreKeys = new Set(["basePath", "ignores", "name"]); + +/** + * Gets the name of a config object. + * @param {Config} config The config object. + * @param {string} indexPath The index path of the config object. + * @return {string} The name of the config object. + */ +function getConfigName(config, indexPath) { + if (config.name) { + return config.name; + } + + return `UserConfig${indexPath}`; +} + +/** + * Gets the name of an extension. + * @param {SimpleExtendsElement} extension The extension. + * @param {string} indexPath The index of the extension. + * @return {string} The name of the extension. + */ +function getExtensionName(extension, indexPath) { + if (typeof extension === "string") { + return extension; + } + + if (extension.name) { + return extension.name; + } + + return `ExtendedConfig${indexPath}`; +} + +/** + * Determines if a config object is a legacy config. + * @param {Config|LegacyConfig} config The config object to check. + * @return {config is LegacyConfig} `true` if the config object is a legacy config. + */ +function isLegacyConfig(config) { + // eslintrc's plugins must be an array; while flat config's must be an object. + if (Array.isArray(config.plugins)) { + return true; + } + + for (const key of eslintrcKeys) { + if (key in config) { + return true; + } + } + + return false; +} + +/** + * Determines if a config object is a global ignores config. + * @param {Config} config The config object to check. + * @return {boolean} `true` if the config object is a global ignores config. + */ +function isGlobalIgnores(config) { + return Object.keys(config).every(key => allowedGlobalIgnoreKeys.has(key)); +} + +/** + * Parses a plugin member ID (rule, processor, etc.) and returns + * the namespace and member name. + * @param {string} id The ID to parse. + * @returns {{namespace:string, name:string}} The namespace and member name. + */ +function getPluginMember(id) { + const firstSlashIndex = id.indexOf("/"); + + if (firstSlashIndex === -1) { + return { namespace: "", name: id }; + } + + let namespace = id.slice(0, firstSlashIndex); + + /* + * Special cases: + * 1. The namespace is `@`, that means it's referring to the + * core plugin so `@` is the full namespace. + * 2. The namespace starts with `@`, that means it's referring to + * an npm scoped package. That means the namespace is the scope + * and the package name (i.e., `@eslint/core`). + */ + if (namespace[0] === "@" && namespace !== "@") { + const secondSlashIndex = id.indexOf("/", firstSlashIndex + 1); + if (secondSlashIndex !== -1) { + namespace = id.slice(0, secondSlashIndex); + return { namespace, name: id.slice(secondSlashIndex + 1) }; + } + } + + const name = id.slice(firstSlashIndex + 1); + + return { namespace, name }; +} + +/** + * Normalizes the plugin config by replacing the namespace with the plugin namespace. + * @param {string} userNamespace The namespace of the plugin. + * @param {Plugin} plugin The plugin config object. + * @param {Config} config The config object to normalize. + * @return {Config} The normalized config object. + */ +function normalizePluginConfig(userNamespace, plugin, config) { + const pluginNamespace = plugin.meta?.namespace; + + // don't do anything if the plugin doesn't have a namespace or rules + if ( + !pluginNamespace || + pluginNamespace === userNamespace || + (!config.rules && !config.processor && !config.language) + ) { + return config; + } + + const result = { ...config }; + + // update the rules + if (result.rules) { + const ruleIds = Object.keys(result.rules); + + /** @type {Record} */ + const newRules = {}; + + for (let i = 0; i < ruleIds.length; i++) { + const ruleId = ruleIds[i]; + const { namespace: ruleNamespace, name: ruleName } = + getPluginMember(ruleId); + + if (ruleNamespace === pluginNamespace) { + newRules[`${userNamespace}/${ruleName}`] = result.rules[ruleId]; + } else { + newRules[ruleId] = result.rules[ruleId]; + } + } + + result.rules = newRules; + } + + // update the processor + + if (typeof result.processor === "string") { + const { namespace: processorNamespace, name: processorName } = + getPluginMember(result.processor); + + if (processorNamespace) { + if (processorNamespace === pluginNamespace) { + result.processor = `${userNamespace}/${processorName}`; + } + } + } + + // update the language + if (typeof result.language === "string") { + const { namespace: languageNamespace, name: languageName } = + getPluginMember(result.language); + + if (languageNamespace === pluginNamespace) { + result.language = `${userNamespace}/${languageName}`; + } + } + + return result; +} + +/** + * Deeply normalizes a plugin config, traversing recursively into an arrays. + * @param {string} userPluginNamespace The namespace of the plugin. + * @param {Plugin} plugin The plugin object. + * @param {Config|LegacyConfig|(Config|LegacyConfig)[]} pluginConfig The plugin config to normalize. + * @param {string} pluginConfigName The name of the plugin config. + * @return {InfiniteConfigArray} The normalized plugin config. + * @throws {TypeError} If the plugin config is a legacy config. + */ +function deepNormalizePluginConfig( + userPluginNamespace, + plugin, + pluginConfig, + pluginConfigName, +) { + // if it's an array then it's definitely a new config + if (Array.isArray(pluginConfig)) { + return pluginConfig.map(pluginSubConfig => + deepNormalizePluginConfig( + userPluginNamespace, + plugin, + pluginSubConfig, + pluginConfigName, + ), + ); + } + + // if it's a legacy config, throw an error + if (isLegacyConfig(pluginConfig)) { + throw new TypeError( + `Plugin config "${pluginConfigName}" is an eslintrc config and cannot be used in this context.`, + ); + } + + return normalizePluginConfig(userPluginNamespace, plugin, pluginConfig); +} + +/** + * Finds a plugin config by name in the given config. + * @param {Config} config The config object. + * @param {string} pluginConfigName The name of the plugin config. + * @return {InfiniteConfigArray} The plugin config. + * @throws {TypeError} If the plugin config is not found or is a legacy config. + */ +function findPluginConfig(config, pluginConfigName) { + const { namespace: userPluginNamespace, name: configName } = + getPluginMember(pluginConfigName); + const plugin = config.plugins?.[userPluginNamespace]; + + if (!plugin) { + throw new TypeError(`Plugin "${userPluginNamespace}" not found.`); + } + + const directConfig = plugin.configs?.[configName]; + + // Prefer direct config, but fall back to flat config if available + if (directConfig) { + // Arrays are always flat configs, and non-legacy configs can be used directly + if (Array.isArray(directConfig) || !isLegacyConfig(directConfig)) { + return deepNormalizePluginConfig( + userPluginNamespace, + plugin, + directConfig, + pluginConfigName, + ); + } + } + + // If it's a legacy config, or the config does not exist => look for the flat version + const flatConfig = plugin.configs?.[`flat/${configName}`]; + if ( + flatConfig && + (Array.isArray(flatConfig) || !isLegacyConfig(flatConfig)) + ) { + return deepNormalizePluginConfig( + userPluginNamespace, + plugin, + flatConfig, + pluginConfigName, + ); + } + + // If we get here, then the config was either not found or is a legacy config + const message = + directConfig || flatConfig + ? `Plugin config "${configName}" in plugin "${userPluginNamespace}" is an eslintrc config and cannot be used in this context.` + : `Plugin config "${configName}" not found in plugin "${userPluginNamespace}".`; + throw new TypeError(message); +} + +/** + * Flattens an array while keeping track of the index path. + * @param {any[]} configList The array to traverse. + * @param {string} indexPath The index path of the value in a multidimensional array. + * @return {IterableIterator<{indexPath:string, value:any}>} The flattened list of values. + */ +function* flatTraverse(configList, indexPath = "") { + for (let i = 0; i < configList.length; i++) { + const newIndexPath = indexPath ? `${indexPath}[${i}]` : `[${i}]`; + + // if it's an array then traverse it as well + if (Array.isArray(configList[i])) { + yield* flatTraverse(configList[i], newIndexPath); + continue; + } + + yield { indexPath: newIndexPath, value: configList[i] }; + } +} + +/** + * Extends a list of config files by creating every combination of base and extension files. + * @param {(string|string[])[]} [baseFiles] The base files. + * @param {(string|string[])[]} [extensionFiles] The extension files. + * @return {(string|string[])[]} The extended files. + */ +function extendConfigFiles(baseFiles = [], extensionFiles = []) { + if (!extensionFiles.length) { + return baseFiles.concat(); + } + + if (!baseFiles.length) { + return extensionFiles.concat(); + } + + /** @type {(string|string[])[]} */ + const result = []; + + for (const baseFile of baseFiles) { + for (const extensionFile of extensionFiles) { + /* + * Each entry can be a string or array of strings. The end result + * needs to be an array of strings, so we need to be sure to include + * all of the items when there's an array. + */ + + const entry = []; + + if (Array.isArray(baseFile)) { + entry.push(...baseFile); + } else { + entry.push(baseFile); + } + + if (Array.isArray(extensionFile)) { + entry.push(...extensionFile); + } else { + entry.push(extensionFile); + } + + result.push(entry); + } + } + + return result; +} + +/** + * Extends a config object with another config object. + * @param {Config} baseConfig The base config object. + * @param {string} baseConfigName The name of the base config object. + * @param {Config} extension The extension config object. + * @param {string} extensionName The index of the extension config object. + * @return {Config} The extended config object. + */ +function extendConfig(baseConfig, baseConfigName, extension, extensionName) { + const result = { ...extension }; + + // for global ignores there is no further work to be done, we just keep everything + if (!isGlobalIgnores(extension)) { + // for files we need to create every combination of base and extension files + if (baseConfig.files) { + result.files = extendConfigFiles(baseConfig.files, extension.files); + } + + // for ignores we just concatenation the extension ignores onto the base ignores + if (baseConfig.ignores) { + result.ignores = baseConfig.ignores.concat(extension.ignores ?? []); + } + } + + result.name = `${baseConfigName} > ${extensionName}`; + + // @ts-ignore -- ESLint types aren't updated yet + if (baseConfig.basePath) { + // @ts-ignore -- ESLint types aren't updated yet + result.basePath = baseConfig.basePath; + } + + return result; +} + +/** + * Processes a list of extends elements. + * @param {ConfigWithExtends} config The config object. + * @param {WeakMap} configNames The map of config objects to their names. + * @return {Config[]} The flattened list of config objects. + * @throws {TypeError} If the `extends` property is not an array or if nested `extends` is found. + */ +function processExtends(config, configNames) { + if (!config.extends) { + return [config]; + } + + if (!Array.isArray(config.extends)) { + throw new TypeError("The `extends` property must be an array."); + } + + const { + /** @type {Config[]} */ + extends: extendsList, + + /** @type {Config} */ + ...configObject + } = config; + + const extensionNames = new WeakMap(); + + // replace strings with the actual configs + const objectExtends = extendsList.map(extendsElement => { + if (typeof extendsElement === "string") { + const pluginConfig = findPluginConfig(config, extendsElement); + + // assign names + if (Array.isArray(pluginConfig)) { + pluginConfig.forEach((pluginConfigElement, index) => { + extensionNames.set( + pluginConfigElement, + `${extendsElement}[${index}]`, + ); + }); + } else { + extensionNames.set(pluginConfig, extendsElement); + } + + return pluginConfig; + } + + return /** @type {Config} */ (extendsElement); + }); + + const result = []; + + for (const { indexPath, value: extendsElement } of flatTraverse( + objectExtends, + )) { + const extension = /** @type {Config} */ (extendsElement); + + if ("basePath" in extension) { + throw new TypeError("'basePath' in `extends` is not allowed."); + } + + if ("extends" in extension) { + throw new TypeError("Nested 'extends' is not allowed."); + } + + const baseConfigName = /** @type {string} */ (configNames.get(config)); + const extensionName = + extensionNames.get(extendsElement) ?? + getExtensionName(extendsElement, indexPath); + + result.push( + extendConfig( + configObject, + baseConfigName, + extension, + extensionName, + ), + ); + } + + /* + * If the base config object has only `ignores` and `extends`, then + * removing `extends` turns it into a global ignores, which is not what + * we want. So we need to check if the base config object is a global ignores + * and if so, we don't add it to the array. + * + * (The other option would be to add a `files` entry, but that would result + * in a config that didn't actually do anything because there are no + * other keys in the config.) + */ + if (!isGlobalIgnores(configObject)) { + result.push(configObject); + } + + return result.flat(); +} + +/** + * Processes a list of config objects and arrays. + * @param {ConfigWithExtends[]} configList The list of config objects and arrays. + * @param {WeakMap} configNames The map of config objects to their names. + * @return {Config[]} The flattened list of config objects. + */ +function processConfigList(configList, configNames) { + return configList.flatMap(config => processExtends(config, configNames)); +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Helper function to define a config array. + * @param {ConfigWithExtendsArray} args The arguments to the function. + * @returns {Config[]} The config array. + * @throws {TypeError} If no arguments are provided or if an argument is not an object. + */ +function defineConfig(...args) { + const configNames = new WeakMap(); + const configs = []; + + if (args.length === 0) { + throw new TypeError("Expected one or more arguments."); + } + + // first flatten the list of configs and get the names + for (const { indexPath, value } of flatTraverse(args)) { + if (typeof value !== "object" || value === null) { + throw new TypeError( + `Expected an object but received ${String(value)}.`, + ); + } + + const config = /** @type {ConfigWithExtends} */ (value); + + // save config name for easy reference later + configNames.set(config, getConfigName(config, indexPath)); + configs.push(config); + } + + return processConfigList(configs, configNames); +} + +/** + * @fileoverview Global ignores helper function. + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +let globalIgnoreCount = 0; + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Creates a global ignores config with the given patterns. + * @param {string[]} ignorePatterns The ignore patterns. + * @param {string} [name] The name of the global ignores config. + * @returns {Config} The global ignores config. + * @throws {TypeError} If ignorePatterns is not an array or if it is empty. + */ +function globalIgnores(ignorePatterns, name) { + if (!Array.isArray(ignorePatterns)) { + throw new TypeError("ignorePatterns must be an array"); + } + + if (ignorePatterns.length === 0) { + throw new TypeError("ignorePatterns must contain at least one pattern"); + } + + const id = globalIgnoreCount++; + + return { + name: name || `globalIgnores ${id}`, + ignores: ignorePatterns, + }; +} + +exports.defineConfig = defineConfig; +exports.globalIgnores = globalIgnores; diff --git a/module/node_modules/@eslint/config-helpers/dist/cjs/index.d.cts b/module/node_modules/@eslint/config-helpers/dist/cjs/index.d.cts new file mode 100644 index 000000000..2b816be8b --- /dev/null +++ b/module/node_modules/@eslint/config-helpers/dist/cjs/index.d.cts @@ -0,0 +1,26 @@ +export type Config = $eslintcore.ConfigObject; +export type LegacyConfig = $eslintcore.LegacyConfigObject; +export type Plugin = $eslintcore.Plugin; +export type RuleConfig = $eslintcore.RuleConfig; +export type ExtendsElement = $typests.ExtendsElement; +export type SimpleExtendsElement = $typests.SimpleExtendsElement; +export type ConfigWithExtends = $typests.ConfigWithExtends; +export type InfiniteConfigArray = $typests.InfiniteArray; +export type ConfigWithExtendsArray = $typests.ConfigWithExtendsArray; +/** + * Helper function to define a config array. + * @param {ConfigWithExtendsArray} args The arguments to the function. + * @returns {Config[]} The config array. + * @throws {TypeError} If no arguments are provided or if an argument is not an object. + */ +export function defineConfig(...args: ConfigWithExtendsArray): Config[]; +/** + * Creates a global ignores config with the given patterns. + * @param {string[]} ignorePatterns The ignore patterns. + * @param {string} [name] The name of the global ignores config. + * @returns {Config} The global ignores config. + * @throws {TypeError} If ignorePatterns is not an array or if it is empty. + */ +export function globalIgnores(ignorePatterns: string[], name?: string): Config; +import type * as $eslintcore from "@eslint/core"; +import type * as $typests from "./types.cts"; diff --git a/module/node_modules/@eslint/config-helpers/dist/cjs/types.cts b/module/node_modules/@eslint/config-helpers/dist/cjs/types.cts new file mode 100644 index 000000000..a313ea259 --- /dev/null +++ b/module/node_modules/@eslint/config-helpers/dist/cjs/types.cts @@ -0,0 +1,29 @@ +/** + * @fileoverview Types for this package. + */ + +import type { ConfigObject } from "@eslint/core"; + +/** + * Infinite array type. + */ +export type InfiniteArray = T | InfiniteArray[]; + +/** + * The type of array element in the `extends` property after flattening. + */ +export type SimpleExtendsElement = string | ConfigObject; + +/** + * The type of array element in the `extends` property before flattening. + */ +export type ExtendsElement = SimpleExtendsElement | InfiniteArray; + +/** + * Config with extends. Valid only inside of `defineConfig()`. + */ +export interface ConfigWithExtends extends ConfigObject { + extends?: ExtendsElement[]; +} + +export type ConfigWithExtendsArray = InfiniteArray[]; diff --git a/module/node_modules/@eslint/config-helpers/dist/esm/index.d.ts b/module/node_modules/@eslint/config-helpers/dist/esm/index.d.ts new file mode 100644 index 000000000..55dabeb6e --- /dev/null +++ b/module/node_modules/@eslint/config-helpers/dist/esm/index.d.ts @@ -0,0 +1,26 @@ +export type Config = $eslintcore.ConfigObject; +export type LegacyConfig = $eslintcore.LegacyConfigObject; +export type Plugin = $eslintcore.Plugin; +export type RuleConfig = $eslintcore.RuleConfig; +export type ExtendsElement = $typests.ExtendsElement; +export type SimpleExtendsElement = $typests.SimpleExtendsElement; +export type ConfigWithExtends = $typests.ConfigWithExtends; +export type InfiniteConfigArray = $typests.InfiniteArray; +export type ConfigWithExtendsArray = $typests.ConfigWithExtendsArray; +/** + * Helper function to define a config array. + * @param {ConfigWithExtendsArray} args The arguments to the function. + * @returns {Config[]} The config array. + * @throws {TypeError} If no arguments are provided or if an argument is not an object. + */ +export function defineConfig(...args: ConfigWithExtendsArray): Config[]; +/** + * Creates a global ignores config with the given patterns. + * @param {string[]} ignorePatterns The ignore patterns. + * @param {string} [name] The name of the global ignores config. + * @returns {Config} The global ignores config. + * @throws {TypeError} If ignorePatterns is not an array or if it is empty. + */ +export function globalIgnores(ignorePatterns: string[], name?: string): Config; +import type * as $eslintcore from "@eslint/core"; +import type * as $typests from "./types.ts"; diff --git a/module/node_modules/@eslint/config-helpers/dist/esm/index.js b/module/node_modules/@eslint/config-helpers/dist/esm/index.js new file mode 100644 index 000000000..15110ae83 --- /dev/null +++ b/module/node_modules/@eslint/config-helpers/dist/esm/index.js @@ -0,0 +1,586 @@ +// @ts-self-types="./index.d.ts" +/** + * @fileoverview defineConfig helper + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + +/** @import * as $eslintcore from "@eslint/core"; */ +/** @typedef {$eslintcore.ConfigObject} Config */ +/** @typedef {$eslintcore.LegacyConfigObject} LegacyConfig */ +/** @typedef {$eslintcore.Plugin} Plugin */ +/** @typedef {$eslintcore.RuleConfig} RuleConfig */ +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.ExtendsElement} ExtendsElement */ +/** @typedef {$typests.SimpleExtendsElement} SimpleExtendsElement */ +/** @typedef {$typests.ConfigWithExtends} ConfigWithExtends */ +/** @typedef {$typests.InfiniteArray} InfiniteConfigArray */ +/** @typedef {$typests.ConfigWithExtendsArray} ConfigWithExtendsArray */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const eslintrcKeys = [ + "env", + "extends", + "globals", + "ignorePatterns", + "noInlineConfig", + "overrides", + "parser", + "parserOptions", + "reportUnusedDisableDirectives", + "root", +]; + +const allowedGlobalIgnoreKeys = new Set(["basePath", "ignores", "name"]); + +/** + * Gets the name of a config object. + * @param {Config} config The config object. + * @param {string} indexPath The index path of the config object. + * @return {string} The name of the config object. + */ +function getConfigName(config, indexPath) { + if (config.name) { + return config.name; + } + + return `UserConfig${indexPath}`; +} + +/** + * Gets the name of an extension. + * @param {SimpleExtendsElement} extension The extension. + * @param {string} indexPath The index of the extension. + * @return {string} The name of the extension. + */ +function getExtensionName(extension, indexPath) { + if (typeof extension === "string") { + return extension; + } + + if (extension.name) { + return extension.name; + } + + return `ExtendedConfig${indexPath}`; +} + +/** + * Determines if a config object is a legacy config. + * @param {Config|LegacyConfig} config The config object to check. + * @return {config is LegacyConfig} `true` if the config object is a legacy config. + */ +function isLegacyConfig(config) { + // eslintrc's plugins must be an array; while flat config's must be an object. + if (Array.isArray(config.plugins)) { + return true; + } + + for (const key of eslintrcKeys) { + if (key in config) { + return true; + } + } + + return false; +} + +/** + * Determines if a config object is a global ignores config. + * @param {Config} config The config object to check. + * @return {boolean} `true` if the config object is a global ignores config. + */ +function isGlobalIgnores(config) { + return Object.keys(config).every(key => allowedGlobalIgnoreKeys.has(key)); +} + +/** + * Parses a plugin member ID (rule, processor, etc.) and returns + * the namespace and member name. + * @param {string} id The ID to parse. + * @returns {{namespace:string, name:string}} The namespace and member name. + */ +function getPluginMember(id) { + const firstSlashIndex = id.indexOf("/"); + + if (firstSlashIndex === -1) { + return { namespace: "", name: id }; + } + + let namespace = id.slice(0, firstSlashIndex); + + /* + * Special cases: + * 1. The namespace is `@`, that means it's referring to the + * core plugin so `@` is the full namespace. + * 2. The namespace starts with `@`, that means it's referring to + * an npm scoped package. That means the namespace is the scope + * and the package name (i.e., `@eslint/core`). + */ + if (namespace[0] === "@" && namespace !== "@") { + const secondSlashIndex = id.indexOf("/", firstSlashIndex + 1); + if (secondSlashIndex !== -1) { + namespace = id.slice(0, secondSlashIndex); + return { namespace, name: id.slice(secondSlashIndex + 1) }; + } + } + + const name = id.slice(firstSlashIndex + 1); + + return { namespace, name }; +} + +/** + * Normalizes the plugin config by replacing the namespace with the plugin namespace. + * @param {string} userNamespace The namespace of the plugin. + * @param {Plugin} plugin The plugin config object. + * @param {Config} config The config object to normalize. + * @return {Config} The normalized config object. + */ +function normalizePluginConfig(userNamespace, plugin, config) { + const pluginNamespace = plugin.meta?.namespace; + + // don't do anything if the plugin doesn't have a namespace or rules + if ( + !pluginNamespace || + pluginNamespace === userNamespace || + (!config.rules && !config.processor && !config.language) + ) { + return config; + } + + const result = { ...config }; + + // update the rules + if (result.rules) { + const ruleIds = Object.keys(result.rules); + + /** @type {Record} */ + const newRules = {}; + + for (let i = 0; i < ruleIds.length; i++) { + const ruleId = ruleIds[i]; + const { namespace: ruleNamespace, name: ruleName } = + getPluginMember(ruleId); + + if (ruleNamespace === pluginNamespace) { + newRules[`${userNamespace}/${ruleName}`] = result.rules[ruleId]; + } else { + newRules[ruleId] = result.rules[ruleId]; + } + } + + result.rules = newRules; + } + + // update the processor + + if (typeof result.processor === "string") { + const { namespace: processorNamespace, name: processorName } = + getPluginMember(result.processor); + + if (processorNamespace) { + if (processorNamespace === pluginNamespace) { + result.processor = `${userNamespace}/${processorName}`; + } + } + } + + // update the language + if (typeof result.language === "string") { + const { namespace: languageNamespace, name: languageName } = + getPluginMember(result.language); + + if (languageNamespace === pluginNamespace) { + result.language = `${userNamespace}/${languageName}`; + } + } + + return result; +} + +/** + * Deeply normalizes a plugin config, traversing recursively into an arrays. + * @param {string} userPluginNamespace The namespace of the plugin. + * @param {Plugin} plugin The plugin object. + * @param {Config|LegacyConfig|(Config|LegacyConfig)[]} pluginConfig The plugin config to normalize. + * @param {string} pluginConfigName The name of the plugin config. + * @return {InfiniteConfigArray} The normalized plugin config. + * @throws {TypeError} If the plugin config is a legacy config. + */ +function deepNormalizePluginConfig( + userPluginNamespace, + plugin, + pluginConfig, + pluginConfigName, +) { + // if it's an array then it's definitely a new config + if (Array.isArray(pluginConfig)) { + return pluginConfig.map(pluginSubConfig => + deepNormalizePluginConfig( + userPluginNamespace, + plugin, + pluginSubConfig, + pluginConfigName, + ), + ); + } + + // if it's a legacy config, throw an error + if (isLegacyConfig(pluginConfig)) { + throw new TypeError( + `Plugin config "${pluginConfigName}" is an eslintrc config and cannot be used in this context.`, + ); + } + + return normalizePluginConfig(userPluginNamespace, plugin, pluginConfig); +} + +/** + * Finds a plugin config by name in the given config. + * @param {Config} config The config object. + * @param {string} pluginConfigName The name of the plugin config. + * @return {InfiniteConfigArray} The plugin config. + * @throws {TypeError} If the plugin config is not found or is a legacy config. + */ +function findPluginConfig(config, pluginConfigName) { + const { namespace: userPluginNamespace, name: configName } = + getPluginMember(pluginConfigName); + const plugin = config.plugins?.[userPluginNamespace]; + + if (!plugin) { + throw new TypeError(`Plugin "${userPluginNamespace}" not found.`); + } + + const directConfig = plugin.configs?.[configName]; + + // Prefer direct config, but fall back to flat config if available + if (directConfig) { + // Arrays are always flat configs, and non-legacy configs can be used directly + if (Array.isArray(directConfig) || !isLegacyConfig(directConfig)) { + return deepNormalizePluginConfig( + userPluginNamespace, + plugin, + directConfig, + pluginConfigName, + ); + } + } + + // If it's a legacy config, or the config does not exist => look for the flat version + const flatConfig = plugin.configs?.[`flat/${configName}`]; + if ( + flatConfig && + (Array.isArray(flatConfig) || !isLegacyConfig(flatConfig)) + ) { + return deepNormalizePluginConfig( + userPluginNamespace, + plugin, + flatConfig, + pluginConfigName, + ); + } + + // If we get here, then the config was either not found or is a legacy config + const message = + directConfig || flatConfig + ? `Plugin config "${configName}" in plugin "${userPluginNamespace}" is an eslintrc config and cannot be used in this context.` + : `Plugin config "${configName}" not found in plugin "${userPluginNamespace}".`; + throw new TypeError(message); +} + +/** + * Flattens an array while keeping track of the index path. + * @param {any[]} configList The array to traverse. + * @param {string} indexPath The index path of the value in a multidimensional array. + * @return {IterableIterator<{indexPath:string, value:any}>} The flattened list of values. + */ +function* flatTraverse(configList, indexPath = "") { + for (let i = 0; i < configList.length; i++) { + const newIndexPath = indexPath ? `${indexPath}[${i}]` : `[${i}]`; + + // if it's an array then traverse it as well + if (Array.isArray(configList[i])) { + yield* flatTraverse(configList[i], newIndexPath); + continue; + } + + yield { indexPath: newIndexPath, value: configList[i] }; + } +} + +/** + * Extends a list of config files by creating every combination of base and extension files. + * @param {(string|string[])[]} [baseFiles] The base files. + * @param {(string|string[])[]} [extensionFiles] The extension files. + * @return {(string|string[])[]} The extended files. + */ +function extendConfigFiles(baseFiles = [], extensionFiles = []) { + if (!extensionFiles.length) { + return baseFiles.concat(); + } + + if (!baseFiles.length) { + return extensionFiles.concat(); + } + + /** @type {(string|string[])[]} */ + const result = []; + + for (const baseFile of baseFiles) { + for (const extensionFile of extensionFiles) { + /* + * Each entry can be a string or array of strings. The end result + * needs to be an array of strings, so we need to be sure to include + * all of the items when there's an array. + */ + + const entry = []; + + if (Array.isArray(baseFile)) { + entry.push(...baseFile); + } else { + entry.push(baseFile); + } + + if (Array.isArray(extensionFile)) { + entry.push(...extensionFile); + } else { + entry.push(extensionFile); + } + + result.push(entry); + } + } + + return result; +} + +/** + * Extends a config object with another config object. + * @param {Config} baseConfig The base config object. + * @param {string} baseConfigName The name of the base config object. + * @param {Config} extension The extension config object. + * @param {string} extensionName The index of the extension config object. + * @return {Config} The extended config object. + */ +function extendConfig(baseConfig, baseConfigName, extension, extensionName) { + const result = { ...extension }; + + // for global ignores there is no further work to be done, we just keep everything + if (!isGlobalIgnores(extension)) { + // for files we need to create every combination of base and extension files + if (baseConfig.files) { + result.files = extendConfigFiles(baseConfig.files, extension.files); + } + + // for ignores we just concatenation the extension ignores onto the base ignores + if (baseConfig.ignores) { + result.ignores = baseConfig.ignores.concat(extension.ignores ?? []); + } + } + + result.name = `${baseConfigName} > ${extensionName}`; + + // @ts-ignore -- ESLint types aren't updated yet + if (baseConfig.basePath) { + // @ts-ignore -- ESLint types aren't updated yet + result.basePath = baseConfig.basePath; + } + + return result; +} + +/** + * Processes a list of extends elements. + * @param {ConfigWithExtends} config The config object. + * @param {WeakMap} configNames The map of config objects to their names. + * @return {Config[]} The flattened list of config objects. + * @throws {TypeError} If the `extends` property is not an array or if nested `extends` is found. + */ +function processExtends(config, configNames) { + if (!config.extends) { + return [config]; + } + + if (!Array.isArray(config.extends)) { + throw new TypeError("The `extends` property must be an array."); + } + + const { + /** @type {Config[]} */ + extends: extendsList, + + /** @type {Config} */ + ...configObject + } = config; + + const extensionNames = new WeakMap(); + + // replace strings with the actual configs + const objectExtends = extendsList.map(extendsElement => { + if (typeof extendsElement === "string") { + const pluginConfig = findPluginConfig(config, extendsElement); + + // assign names + if (Array.isArray(pluginConfig)) { + pluginConfig.forEach((pluginConfigElement, index) => { + extensionNames.set( + pluginConfigElement, + `${extendsElement}[${index}]`, + ); + }); + } else { + extensionNames.set(pluginConfig, extendsElement); + } + + return pluginConfig; + } + + return /** @type {Config} */ (extendsElement); + }); + + const result = []; + + for (const { indexPath, value: extendsElement } of flatTraverse( + objectExtends, + )) { + const extension = /** @type {Config} */ (extendsElement); + + if ("basePath" in extension) { + throw new TypeError("'basePath' in `extends` is not allowed."); + } + + if ("extends" in extension) { + throw new TypeError("Nested 'extends' is not allowed."); + } + + const baseConfigName = /** @type {string} */ (configNames.get(config)); + const extensionName = + extensionNames.get(extendsElement) ?? + getExtensionName(extendsElement, indexPath); + + result.push( + extendConfig( + configObject, + baseConfigName, + extension, + extensionName, + ), + ); + } + + /* + * If the base config object has only `ignores` and `extends`, then + * removing `extends` turns it into a global ignores, which is not what + * we want. So we need to check if the base config object is a global ignores + * and if so, we don't add it to the array. + * + * (The other option would be to add a `files` entry, but that would result + * in a config that didn't actually do anything because there are no + * other keys in the config.) + */ + if (!isGlobalIgnores(configObject)) { + result.push(configObject); + } + + return result.flat(); +} + +/** + * Processes a list of config objects and arrays. + * @param {ConfigWithExtends[]} configList The list of config objects and arrays. + * @param {WeakMap} configNames The map of config objects to their names. + * @return {Config[]} The flattened list of config objects. + */ +function processConfigList(configList, configNames) { + return configList.flatMap(config => processExtends(config, configNames)); +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Helper function to define a config array. + * @param {ConfigWithExtendsArray} args The arguments to the function. + * @returns {Config[]} The config array. + * @throws {TypeError} If no arguments are provided or if an argument is not an object. + */ +function defineConfig(...args) { + const configNames = new WeakMap(); + const configs = []; + + if (args.length === 0) { + throw new TypeError("Expected one or more arguments."); + } + + // first flatten the list of configs and get the names + for (const { indexPath, value } of flatTraverse(args)) { + if (typeof value !== "object" || value === null) { + throw new TypeError( + `Expected an object but received ${String(value)}.`, + ); + } + + const config = /** @type {ConfigWithExtends} */ (value); + + // save config name for easy reference later + configNames.set(config, getConfigName(config, indexPath)); + configs.push(config); + } + + return processConfigList(configs, configNames); +} + +/** + * @fileoverview Global ignores helper function. + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +let globalIgnoreCount = 0; + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Creates a global ignores config with the given patterns. + * @param {string[]} ignorePatterns The ignore patterns. + * @param {string} [name] The name of the global ignores config. + * @returns {Config} The global ignores config. + * @throws {TypeError} If ignorePatterns is not an array or if it is empty. + */ +function globalIgnores(ignorePatterns, name) { + if (!Array.isArray(ignorePatterns)) { + throw new TypeError("ignorePatterns must be an array"); + } + + if (ignorePatterns.length === 0) { + throw new TypeError("ignorePatterns must contain at least one pattern"); + } + + const id = globalIgnoreCount++; + + return { + name: name || `globalIgnores ${id}`, + ignores: ignorePatterns, + }; +} + +export { defineConfig, globalIgnores }; diff --git a/module/node_modules/@eslint/config-helpers/dist/esm/types.d.ts b/module/node_modules/@eslint/config-helpers/dist/esm/types.d.ts new file mode 100644 index 000000000..ddaf38564 --- /dev/null +++ b/module/node_modules/@eslint/config-helpers/dist/esm/types.d.ts @@ -0,0 +1,23 @@ +/** + * @fileoverview Types for this package. + */ +import type { ConfigObject } from "@eslint/core"; +/** + * Infinite array type. + */ +export type InfiniteArray = T | InfiniteArray[]; +/** + * The type of array element in the `extends` property after flattening. + */ +export type SimpleExtendsElement = string | ConfigObject; +/** + * The type of array element in the `extends` property before flattening. + */ +export type ExtendsElement = SimpleExtendsElement | InfiniteArray; +/** + * Config with extends. Valid only inside of `defineConfig()`. + */ +export interface ConfigWithExtends extends ConfigObject { + extends?: ExtendsElement[]; +} +export type ConfigWithExtendsArray = InfiniteArray[]; diff --git a/module/node_modules/@eslint/config-helpers/dist/esm/types.ts b/module/node_modules/@eslint/config-helpers/dist/esm/types.ts new file mode 100644 index 000000000..a313ea259 --- /dev/null +++ b/module/node_modules/@eslint/config-helpers/dist/esm/types.ts @@ -0,0 +1,29 @@ +/** + * @fileoverview Types for this package. + */ + +import type { ConfigObject } from "@eslint/core"; + +/** + * Infinite array type. + */ +export type InfiniteArray = T | InfiniteArray[]; + +/** + * The type of array element in the `extends` property after flattening. + */ +export type SimpleExtendsElement = string | ConfigObject; + +/** + * The type of array element in the `extends` property before flattening. + */ +export type ExtendsElement = SimpleExtendsElement | InfiniteArray; + +/** + * Config with extends. Valid only inside of `defineConfig()`. + */ +export interface ConfigWithExtends extends ConfigObject { + extends?: ExtendsElement[]; +} + +export type ConfigWithExtendsArray = InfiniteArray[]; diff --git a/module/node_modules/@eslint/config-helpers/package.json b/module/node_modules/@eslint/config-helpers/package.json new file mode 100644 index 000000000..7ac79cecf --- /dev/null +++ b/module/node_modules/@eslint/config-helpers/package.json @@ -0,0 +1,60 @@ +{ + "name": "@eslint/config-helpers", + "version": "0.4.2", + "description": "Helper utilities for creating ESLint configuration", + "type": "module", + "main": "dist/esm/index.js", + "types": "dist/esm/index.d.ts", + "exports": { + "require": { + "types": "./dist/cjs/index.d.cts", + "default": "./dist/cjs/index.cjs" + }, + "import": { + "types": "./dist/esm/index.d.ts", + "default": "./dist/esm/index.js" + } + }, + "files": [ + "dist" + ], + "publishConfig": { + "access": "public" + }, + "directories": { + "test": "tests" + }, + "scripts": { + "build:dedupe-types": "node ../../tools/dedupe-types.js dist/cjs/index.cjs dist/esm/index.js", + "build:cts": "node ../../tools/build-cts.js dist/esm/index.d.ts dist/cjs/index.d.cts", + "build": "rollup -c && npm run build:dedupe-types && tsc -p tsconfig.esm.json && npm run build:cts", + "test": "mocha \"tests/**/*.test.js\"", + "test:coverage": "c8 npm test", + "test:jsr": "npx jsr@latest publish --dry-run", + "test:pnpm": "cd tests/pnpm && pnpm install && pnpm exec tsc", + "test:types": "tsc -p tests/types/tsconfig.json" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/eslint/rewrite.git", + "directory": "packages/config-helpers" + }, + "keywords": [ + "eslint" + ], + "license": "Apache-2.0", + "bugs": { + "url": "https://github.com/eslint/rewrite/issues" + }, + "homepage": "https://github.com/eslint/rewrite/tree/main/packages/config-helpers#readme", + "dependencies": { + "@eslint/core": "^0.17.0" + }, + "devDependencies": { + "eslint": "^9.27.0", + "rollup-plugin-copy": "^3.5.0" + }, + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + } +} diff --git a/module/node_modules/@eslint/core/LICENSE b/module/node_modules/@eslint/core/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/module/node_modules/@eslint/core/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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+ diff --git a/module/node_modules/@eslint/core/dist/cjs/types.d.cts b/module/node_modules/@eslint/core/dist/cjs/types.d.cts new file mode 100644 index 000000000..3fa4bebc1 --- /dev/null +++ b/module/node_modules/@eslint/core/dist/cjs/types.d.cts @@ -0,0 +1,1179 @@ +/** + * @fileoverview Shared types for ESLint Core. + */ +import type { JSONSchema4 } from "json-schema"; +/** + * Represents an error inside of a file. + */ +export interface FileError { + message: string; + line: number; + column: number; + endLine?: number; + endColumn?: number; +} +/** + * Represents a problem found in a file. + */ +export interface FileProblem { + ruleId: string | null; + message: string; + loc: SourceLocation; +} +/** + * Represents the start and end coordinates of a node inside the source. + */ +export interface SourceLocation { + start: Position; + end: Position; +} +/** + * Represents the start and end coordinates of a node inside the source with an offset. + */ +export interface SourceLocationWithOffset { + start: PositionWithOffset; + end: PositionWithOffset; +} +/** + * Represents a location coordinate inside the source. ESLint-style formats + * have just `line` and `column` while others may have `offset` as well. + */ +export interface Position { + line: number; + column: number; +} +/** + * Represents a location coordinate inside the source with an offset. + */ +export interface PositionWithOffset extends Position { + offset: number; +} +/** + * Represents a range of characters in the source. + */ +export type SourceRange = [number, number]; +/** + * What the rule is responsible for finding: + * - `problem` means the rule has noticed a potential error. + * - `suggestion` means the rule suggests an alternate or better approach. + * - `layout` means the rule is looking at spacing, indentation, etc. + */ +export type RuleType = "problem" | "suggestion" | "layout"; +/** + * The type of fix the rule can provide: + * - `code` means the rule can fix syntax. + * - `whitespace` means the rule can fix spacing and indentation. + */ +export type RuleFixType = "code" | "whitespace"; +/** + * An object containing visitor information for a rule. Each method is either the + * name of a node type or a selector, or is a method that will be called at specific + * times during the traversal. + */ +export type RuleVisitor = Record void) | undefined>; +/** + * Rule meta information used for documentation. + */ +export interface RulesMetaDocs { + /** + * A short description of the rule. + */ + description?: string | undefined; + /** + * The URL to the documentation for the rule. + */ + url?: string | undefined; + /** + * The category the rule falls under. + * @deprecated No longer used. + */ + category?: string | undefined; + /** + * Indicates if the rule is generally recommended for all users. + * + * Note - this will always be a boolean for core rules, but may be used in any way by plugins. + */ + recommended?: unknown; + /** + * Indicates if the rule is frozen (no longer accepting feature requests). + */ + frozen?: boolean | undefined; +} +/** + * Meta information about a rule. + */ +export interface RulesMeta { + /** + * Properties that are used when documenting the rule. + */ + docs?: (RulesMetaDocs & ExtRuleDocs) | undefined; + /** + * The type of rule. + */ + type?: RuleType | undefined; + /** + * The schema for the rule options. Required if the rule has options. + */ + schema?: JSONSchema4 | JSONSchema4[] | false | undefined; + /** + * Any default options to be recursively merged on top of any user-provided options. + */ + defaultOptions?: RuleOptions; + /** + * The messages that the rule can report. + */ + messages?: Record; + /** + * Indicates whether the rule has been deprecated or provides additional metadata about the deprecation. Omit if not deprecated. + */ + deprecated?: boolean | DeprecatedInfo | undefined; + /** + * @deprecated Use deprecated.replacedBy instead. + * The name of the rule(s) this rule was replaced by, if it was deprecated. + */ + replacedBy?: readonly string[] | undefined; + /** + * Indicates if the rule is fixable, and if so, what type of fix it provides. + */ + fixable?: RuleFixType | undefined; + /** + * Indicates if the rule may provide suggestions. + */ + hasSuggestions?: boolean | undefined; + /** + * The language the rule is intended to lint. + */ + language?: string; + /** + * The dialects of `language` that the rule is intended to lint. + */ + dialects?: string[]; +} +/** + * Provides additional metadata about a deprecation. + */ +export interface DeprecatedInfo { + /** + * General message presented to the user, e.g. for the key rule why the rule + * is deprecated or for info how to replace the rule. + */ + message?: string; + /** + * URL to more information about this deprecation in general. + */ + url?: string; + /** + * An empty array explicitly states that there is no replacement. + */ + replacedBy?: ReplacedByInfo[]; + /** + * The package version since when the rule is deprecated (should use full + * semver without a leading "v"). + */ + deprecatedSince?: string; + /** + * The estimated version when the rule is removed (probably the next major + * version). null means the rule is "frozen" (will be available but will not + * be changed). + */ + availableUntil?: string | null; +} +/** + * Provides metadata about a replacement + */ +export interface ReplacedByInfo { + /** + * General message presented to the user, e.g. how to replace the rule + */ + message?: string; + /** + * URL to more information about this replacement in general + */ + url?: string; + /** + * Name should be "eslint" if the replacement is an ESLint core rule. Omit + * the property if the replacement is in the same plugin. + */ + plugin?: ExternalSpecifier; + /** + * Name and documentation of the replacement rule + */ + rule?: ExternalSpecifier; +} +/** + * Specifies the name and url of an external resource. At least one property + * should be set. + */ +export interface ExternalSpecifier { + /** + * Name of the referenced plugin / rule. + */ + name?: string; + /** + * URL pointing to documentation for the plugin / rule. + */ + url?: string; +} +/** + * Generic type for `RuleContext`. + */ +export interface RuleContextTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RuleOptions: unknown[]; + Node: unknown; + MessageIds: string; +} +/** + * Represents the context object that is passed to a rule. This object contains + * information about the current state of the linting process and is the rule's + * view into the outside world. + */ +export interface RuleContext { + /** + * The current working directory for the session. + */ + cwd: string; + /** + * Returns the current working directory for the session. + * @deprecated Use `cwd` instead. + */ + getCwd(): string; + /** + * The filename of the file being linted. + */ + filename: string; + /** + * Returns the filename of the file being linted. + * @deprecated Use `filename` instead. + */ + getFilename(): string; + /** + * The physical filename of the file being linted. + */ + physicalFilename: string; + /** + * Returns the physical filename of the file being linted. + * @deprecated Use `physicalFilename` instead. + */ + getPhysicalFilename(): string; + /** + * The source code object that the rule is running on. + */ + sourceCode: Options["Code"]; + /** + * Returns the source code object that the rule is running on. + * @deprecated Use `sourceCode` instead. + */ + getSourceCode(): Options["Code"]; + /** + * Shared settings for the configuration. + */ + settings: SettingsConfig; + /** + * Parser-specific options for the configuration. + * @deprecated Use `languageOptions.parserOptions` instead. + */ + parserOptions: Record; + /** + * The language options for the configuration. + */ + languageOptions: Options["LangOptions"]; + /** + * The CommonJS path to the parser used while parsing this file. + * @deprecated No longer used. + */ + parserPath: string | undefined; + /** + * The rule ID. + */ + id: string; + /** + * The rule's configured options. + */ + options: Options["RuleOptions"]; + /** + * The report function that the rule should use to report problems. + * @param violation The violation to report. + */ + report(violation: ViolationReport): void; +} +/** + * Manager of text edits for a rule fix. + */ +export interface RuleTextEditor { + /** + * Inserts text after the specified node or token. + * @param syntaxElement The node or token to insert after. + * @param text The edit to insert after the node or token. + */ + insertTextAfter(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Inserts text after the specified range. + * @param range The range to insert after. + * @param text The edit to insert after the range. + */ + insertTextAfterRange(range: SourceRange, text: string): RuleTextEdit; + /** + * Inserts text before the specified node or token. + * @param syntaxElement A syntax element with location information to insert before. + * @param text The edit to insert before the node or token. + */ + insertTextBefore(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Inserts text before the specified range. + * @param range The range to insert before. + * @param text The edit to insert before the range. + */ + insertTextBeforeRange(range: SourceRange, text: string): RuleTextEdit; + /** + * Removes the specified node or token. + * @param syntaxElement A syntax element with location information to remove. + * @returns The edit to remove the node or token. + */ + remove(syntaxElement: EditableSyntaxElement): RuleTextEdit; + /** + * Removes the specified range. + * @param range The range to remove. + * @returns The edit to remove the range. + */ + removeRange(range: SourceRange): RuleTextEdit; + /** + * Replaces the specified node or token with the given text. + * @param syntaxElement A syntax element with location information to replace. + * @param text The text to replace the node or token with. + * @returns The edit to replace the node or token. + */ + replaceText(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Replaces the specified range with the given text. + * @param range The range to replace. + * @param text The text to replace the range with. + * @returns The edit to replace the range. + */ + replaceTextRange(range: SourceRange, text: string): RuleTextEdit; +} +/** + * Represents a fix for a rule violation implemented as a text edit. + */ +export interface RuleTextEdit { + /** + * The range to replace. + */ + range: SourceRange; + /** + * The text to insert. + */ + text: string; +} +/** + * Fixes a violation. + * @param fixer The text editor to apply the fix. + * @returns The fix(es) for the violation. + */ +export type RuleFixer = (fixer: RuleTextEditor) => RuleTextEdit | Iterable | null; +export interface ViolationReportBase { + /** + * The data to insert into the message. + */ + data?: Record | undefined; + /** + * The fix to be applied for the violation. + */ + fix?: RuleFixer | null | undefined; + /** + * An array of suggested fixes for the problem. These fixes may change the + * behavior of the code, so they are not applied automatically. + */ + suggest?: SuggestedEdit[] | null | undefined; +} +export type ViolationMessage = { + message: string; +} | { + messageId: MessageIds; +}; +export type ViolationLocation = { + loc: SourceLocation | Position; +} | { + node: Node; +}; +export type ViolationReport = ViolationReportBase & ViolationMessage & ViolationLocation; +export interface SuggestedEditBase { + /** + * The data to insert into the message. + */ + data?: Record | undefined; + /** + * The fix to be applied for the suggestion. + */ + fix: RuleFixer; +} +export type SuggestionMessage = { + desc: string; +} | { + messageId: string; +}; +/** + * A suggested edit for a rule violation. + */ +export type SuggestedEdit = SuggestedEditBase & SuggestionMessage; +/** + * The normalized version of a lint suggestion. + */ +export interface LintSuggestion { + /** A short description. */ + desc: string; + /** Fix result info. */ + fix: RuleTextEdit; + /** Id referencing a message for the description. */ + messageId?: string | undefined; +} +/** + * The normalized version of a lint violation message. + */ +export interface LintMessage { + /** The 1-based column number. */ + column: number; + /** The 1-based line number. */ + line: number; + /** The 1-based column number of the end location. */ + endColumn?: number | undefined; + /** The 1-based line number of the end location. */ + endLine?: number | undefined; + /** The ID of the rule which makes this message. */ + ruleId: string | null; + /** The reported message. */ + message: string; + /** The ID of the message in the rule's meta. */ + messageId?: string | undefined; + /** + * Type of node. + * @deprecated `nodeType` is deprecated and will be removed in the next major version. + */ + nodeType?: string | undefined; + /** If `true` then this is a fatal error. */ + fatal?: true | undefined; + /** The severity of this message. */ + severity: Exclude; + /** Information for autofix. */ + fix?: RuleTextEdit | undefined; + /** Information for suggestions. */ + suggestions?: LintSuggestion[] | undefined; +} +/** + * Generic options for the `RuleDefinition` type. + */ +export interface RuleDefinitionTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RuleOptions: unknown[]; + Visitor: RuleVisitor; + Node: unknown; + MessageIds: string; + ExtRuleDocs: unknown; +} +/** + * The definition of an ESLint rule. + */ +export interface RuleDefinition { + /** + * The meta information for the rule. + */ + meta?: RulesMeta; + /** + * Creates the visitor that ESLint uses to apply the rule during traversal. + * @param context The rule context. + * @returns The rule visitor. + */ + create(context: RuleContext<{ + LangOptions: Options["LangOptions"]; + Code: Options["Code"]; + RuleOptions: Options["RuleOptions"]; + Node: Options["Node"]; + MessageIds: Options["MessageIds"]; + }>): Options["Visitor"]; +} +/** + * Defaults for non-language-related `RuleDefinition` options. + */ +export interface CustomRuleTypeDefinitions { + RuleOptions: unknown[]; + MessageIds: string; + ExtRuleDocs: Record; +} +/** + * A helper type to define language specific specializations of the `RuleDefinition` type. + * + * @example + * ```ts + * type YourRuleDefinition< + * Options extends Partial = {}, + * > = CustomRuleDefinitionType< + * { + * LangOptions: YourLanguageOptions; + * Code: YourSourceCode; + * Visitor: YourRuleVisitor; + * Node: YourNode; + * }, + * Options + * >; + * ``` + */ +export type CustomRuleDefinitionType, Options extends Partial> = RuleDefinition>>; +/** + * The human readable severity level used in a configuration. + */ +export type SeverityName = "off" | "warn" | "error"; +/** + * The numeric severity level for a rule. + * + * - `0` means off. + * - `1` means warn. + * - `2` means error. + */ +export type SeverityLevel = 0 | 1 | 2; +/** + * The severity of a rule in a configuration. + */ +export type Severity = SeverityName | SeverityLevel; +/** + * Represents the metadata for an object, such as a plugin or processor. + */ +export interface ObjectMetaProperties { + /** @deprecated Use `meta.name` instead. */ + name?: string | undefined; + /** @deprecated Use `meta.version` instead. */ + version?: string | undefined; + meta?: { + name?: string | undefined; + version?: string | undefined; + }; +} +/** + * Represents the configuration options for the core linter. + */ +export interface LinterOptionsConfig { + /** + * Indicates whether or not inline configuration is evaluated. + */ + noInlineConfig?: boolean; + /** + * Indicates what to do when an unused disable directive is found. + */ + reportUnusedDisableDirectives?: boolean | Severity; + /** + * A severity value indicating if and how unused inline configs should be + * tracked and reported. + */ + reportUnusedInlineConfigs?: Severity; +} +/** + * The configuration for a rule. + */ +export type RuleConfig = Severity | [Severity, ...Partial]; +/** + * A collection of rules and their configurations. + */ +export interface RulesConfig { + [key: string]: RuleConfig; +} +/** + * A collection of settings. + */ +export interface SettingsConfig { + [key: string]: unknown; +} +/** + * The configuration for a set of files. + */ +export interface ConfigObject { + /** + * A string to identify the configuration object. Used in error messages and + * inspection tools. + */ + name?: string; + /** + * Path to the directory where the configuration object should apply. + * `files` and `ignores` patterns in the configuration object are + * interpreted as relative to this path. + */ + basePath?: string; + /** + * An array of glob patterns indicating the files that the configuration + * object should apply to. If not specified, the configuration object applies + * to all files + */ + files?: (string | string[])[]; + /** + * An array of glob patterns indicating the files that the configuration + * object should not apply to. If not specified, the configuration object + * applies to all files matched by files + */ + ignores?: string[]; + /** + * The name of the language used for linting. This is used to determine the + * parser and other language-specific settings. + * @since 9.7.0 + */ + language?: string; + /** + * An object containing settings related to how the language is configured for + * linting. + */ + languageOptions?: LanguageOptions; + /** + * An object containing settings related to the linting process + */ + linterOptions?: LinterOptionsConfig; + /** + * Either an object containing preprocess() and postprocess() methods or a + * string indicating the name of a processor inside of a plugin + * (i.e., "pluginName/processorName"). + */ + processor?: string | Processor; + /** + * An object containing a name-value mapping of plugin names to plugin objects. + * When files is specified, these plugins are only available to the matching files. + */ + plugins?: Record; + /** + * An object containing the configured rules. When files or ignores are specified, + * these rule configurations are only available to the matching files. + */ + rules?: Partial; + /** + * An object containing name-value pairs of information that should be + * available to all rules. + */ + settings?: Record; +} +/** @deprecated Only supported in legacy eslintrc config format. */ +export type GlobalAccess = boolean | "off" | "readable" | "readonly" | "writable" | "writeable"; +/** @deprecated Only supported in legacy eslintrc config format. */ +export interface GlobalsConfig { + [name: string]: GlobalAccess; +} +/** + * The ECMAScript version of the code being linted. + * @deprecated Only supported in legacy eslintrc config format. + */ +export type EcmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | "latest"; +/** + * The type of JavaScript source code. + * @deprecated Only supported in legacy eslintrc config format. + */ +export type JavaScriptSourceType = "script" | "module" | "commonjs"; +/** + * Parser options. + * @deprecated Only supported in legacy eslintrc config format. + * @see [Specifying Parser Options](https://eslint.org/docs/latest/use/configure/language-options#specifying-parser-options) + */ +export interface JavaScriptParserOptionsConfig { + /** + * Allow the use of reserved words as identifiers (if `ecmaVersion` is 3). + * + * @default false + */ + allowReserved?: boolean | undefined; + /** + * Accepts any valid ECMAScript version number or `'latest'`: + * + * - A version: es3, es5, es6, es7, es8, es9, es10, es11, es12, es13, es14, ..., or + * - A year: es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, ..., or + * - `'latest'` + * + * When it's a version or a year, the value must be a number - so do not include the `es` prefix. + * + * Specifies the version of ECMAScript syntax you want to use. This is used by the parser to determine how to perform scope analysis, and it affects the default + * + * @default 5 + */ + ecmaVersion?: EcmaVersion | undefined; + /** + * The type of JavaScript source code. Possible values are "script" for + * traditional script files, "module" for ECMAScript modules (ESM), and + * "commonjs" for CommonJS files. + * + * @default 'script' + * + * @see https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options + */ + sourceType?: JavaScriptSourceType | undefined; + /** + * An object indicating which additional language features you'd like to use. + * + * @see https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options + */ + ecmaFeatures?: { + globalReturn?: boolean | undefined; + impliedStrict?: boolean | undefined; + jsx?: boolean | undefined; + experimentalObjectRestSpread?: boolean | undefined; + [key: string]: any; + } | undefined; + [key: string]: any; +} +/** @deprecated Only supported in legacy eslintrc config format. */ +export interface EnvironmentConfig { + /** The definition of global variables. */ + globals?: GlobalsConfig | undefined; + /** The parser options that will be enabled under this environment. */ + parserOptions?: JavaScriptParserOptionsConfig | undefined; +} +/** + * A configuration object that may have a `rules` block. + */ +export interface HasRules { + rules?: Partial | undefined; +} +/** + * ESLint legacy configuration. + * + * @see [ESLint Legacy Configuration](https://eslint.org/docs/latest/use/configure/) + */ +export interface BaseConfig extends HasRules { + $schema?: string | undefined; + /** + * An environment provides predefined global variables. + * + * @see [Environments](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-environments) + */ + env?: { + [name: string]: boolean; + } | undefined; + /** + * Extending configuration files. + * + * @see [Extends](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#extending-configuration-files) + */ + extends?: string | string[] | undefined; + /** + * Specifying globals. + * + * @see [Globals](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-globals) + */ + globals?: GlobalsConfig | undefined; + /** + * Disable processing of inline comments. + * + * @see [Disabling Inline Comments](https://eslint.org/docs/latest/use/configure/rules-deprecated#disabling-inline-comments) + */ + noInlineConfig?: boolean | undefined; + /** + * Overrides can be used to use a differing configuration for matching sub-directories and files. + * + * @see [How do overrides work](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#how-do-overrides-work) + */ + overrides?: ConfigOverride[] | undefined; + /** + * Parser. + * + * @see [Working with Custom Parsers](https://eslint.org/docs/latest/extend/custom-parsers) + * @see [Specifying Parser](https://eslint.org/docs/latest/use/configure/parser-deprecated) + */ + parser?: string | undefined; + /** + * Parser options. + * + * @see [Working with Custom Parsers](https://eslint.org/docs/latest/extend/custom-parsers) + * @see [Specifying Parser Options](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options) + */ + parserOptions?: JavaScriptParserOptionsConfig | undefined; + /** + * Which third-party plugins define additional rules, environments, configs, etc. for ESLint to use. + * + * @see [Configuring Plugins](https://eslint.org/docs/latest/use/configure/plugins-deprecated#configure-plugins) + */ + plugins?: string[] | undefined; + /** + * Specifying processor. + * + * @see [processor](https://eslint.org/docs/latest/use/configure/plugins-deprecated#specify-a-processor) + */ + processor?: string | undefined; + /** + * Report unused eslint-disable comments as warning. + * + * @see [Report unused eslint-disable comments](https://eslint.org/docs/latest/use/configure/rules-deprecated#report-unused-eslint-disable-comments) + */ + reportUnusedDisableDirectives?: boolean | undefined; + /** + * Settings. + * + * @see [Settings](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#adding-shared-settings) + */ + settings?: SettingsConfig | undefined; +} +/** + * The overwrites that apply more differing configuration to specific files or directories. + */ +export interface ConfigOverride extends BaseConfig { + /** + * The glob patterns for excluded files. + */ + excludedFiles?: string | string[] | undefined; + /** + * The glob patterns for target files. + */ + files: string | string[]; +} +/** + * ESLint legacy configuration. + * + * @see [ESLint Legacy Configuration](https://eslint.org/docs/latest/use/configure/) + */ +export interface LegacyConfigObject extends BaseConfig { + /** + * Tell ESLint to ignore specific files and directories. + * + * @see [Ignore Patterns](https://eslint.org/docs/latest/use/configure/ignore-deprecated#ignorepatterns-in-config-files) + */ + ignorePatterns?: string | string[] | undefined; + /** + * @see [Using Configuration Files](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#using-configuration-files) + */ + root?: boolean | undefined; +} +/** + * File information passed to a processor. + */ +export interface ProcessorFile { + text: string; + filename: string; +} +/** + * A processor is an object that can preprocess and postprocess files. + */ +export interface Processor extends ObjectMetaProperties { + /** If `true` then it means the processor supports autofix. */ + supportsAutofix?: boolean | undefined; + /** The function to extract code blocks. */ + preprocess?(text: string, filename: string): T[]; + /** The function to merge messages. */ + postprocess?(messages: LintMessage[][], filename: string): LintMessage[]; +} +export interface Plugin extends ObjectMetaProperties { + meta?: ObjectMetaProperties["meta"] & { + namespace?: string | undefined; + }; + configs?: Record | undefined; + environments?: Record | undefined; + languages?: Record | undefined; + processors?: Record | undefined; + rules?: Record | undefined; +} +/** + * Generic options for the `Language` type. + */ +export interface LanguageTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RootNode: unknown; + Node: unknown; +} +/** + * Represents a plugin language. + */ +export interface Language { + /** + * Indicates how ESLint should read the file. + */ + fileType: "text"; + /** + * First line number returned from the parser (text mode only). + */ + lineStart: 0 | 1; + /** + * First column number returned from the parser (text mode only). + */ + columnStart: 0 | 1; + /** + * The property to read the node type from. Used in selector querying. + */ + nodeTypeKey: string; + /** + * The traversal path that tools should take when evaluating the AST + */ + visitorKeys?: Record; + /** + * Default language options. User-defined options are merged with this object. + */ + defaultLanguageOptions?: LanguageOptions; + /** + * Validates languageOptions for this language. + */ + validateLanguageOptions(languageOptions: Options["LangOptions"]): void; + /** + * Normalizes languageOptions for this language. + */ + normalizeLanguageOptions?(languageOptions: Options["LangOptions"]): Options["LangOptions"]; + /** + * Helper for esquery that allows languages to match nodes against + * class. esquery currently has classes like `function` that will + * match all the various function nodes. This method allows languages + * to implement similar shorthands. + */ + matchesSelectorClass?(className: string, node: Options["Node"], ancestry: Options["Node"][]): boolean; + /** + * Parses the given file input into its component parts. This file should not + * throws errors for parsing errors but rather should return any parsing + * errors as parse of the ParseResult object. + */ + parse(file: File, context: LanguageContext): ParseResult; + /** + * Creates SourceCode object that ESLint uses to work with a file. + */ + createSourceCode(file: File, input: OkParseResult, context: LanguageContext): Options["Code"]; +} +/** + * Plugin-defined options for the language. + */ +export type LanguageOptions = Record; +/** + * The context object that is passed to the language plugin methods. + */ +export interface LanguageContext { + languageOptions: LangOptions; +} +/** + * Represents a file read by ESLint. + */ +export interface File { + /** + * The path that ESLint uses for this file. May be a virtual path + * if it was returned by a processor. + */ + path: string; + /** + * The path to the file on disk. This always maps directly to a file + * regardless of whether it was returned from a processor. + */ + physicalPath: string; + /** + * Indicates if the original source contained a byte-order marker. + * ESLint strips the BOM from the `body`, but this info is needed + * to correctly apply autofixing. + */ + bom: boolean; + /** + * The body of the file to parse. + */ + body: string | Uint8Array; +} +/** + * Represents the successful result of parsing a file. + */ +export interface OkParseResult { + /** + * Indicates if the parse was successful. If true, the parse was successful + * and ESLint should continue on to create a SourceCode object and run rules; + * if false, ESLint should just report the error(s) without doing anything + * else. + */ + ok: true; + /** + * The abstract syntax tree created by the parser. (only when ok: true) + */ + ast: RootNode; + /** + * Any additional data that the parser wants to provide. + */ + [key: string]: any; +} +/** + * Represents the unsuccessful result of parsing a file. + */ +export interface NotOkParseResult { + /** + * Indicates if the parse was successful. If true, the parse was successful + * and ESLint should continue on to create a SourceCode object and run rules; + * if false, ESLint should just report the error(s) without doing anything + * else. + */ + ok: false; + /** + * Any parsing errors, whether fatal or not. (only when ok: false) + */ + errors: FileError[]; + /** + * Any additional data that the parser wants to provide. + */ + [key: string]: any; +} +export type ParseResult = OkParseResult | NotOkParseResult; +/** + * Represents inline configuration found in the source code. + */ +interface InlineConfigElement { + /** + * The location of the inline config element. + */ + loc: SourceLocation; + /** + * The interpreted configuration from the inline config element. + */ + config: { + rules: RulesConfig; + }; +} +/** + * Generic options for the `SourceCodeBase` type. + */ +export interface SourceCodeBaseTypeOptions { + LangOptions: LanguageOptions; + RootNode: unknown; + SyntaxElementWithLoc: unknown; + ConfigNode: unknown; +} +/** + * Represents the basic interface for a source code object. + */ +interface SourceCodeBase { + /** + * Root of the AST. + */ + ast: Options["RootNode"]; + /** + * The traversal path that tools should take when evaluating the AST. + * When present, this overrides the `visitorKeys` on the language for + * just this source code object. + */ + visitorKeys?: Record; + /** + * Retrieves the equivalent of `loc` for a given node or token. + * @param syntaxElement The node or token to get the location for. + * @returns The location of the node or token. + */ + getLoc(syntaxElement: Options["SyntaxElementWithLoc"]): SourceLocation; + /** + * Retrieves the equivalent of `range` for a given node or token. + * @param syntaxElement The node or token to get the range for. + * @returns The range of the node or token. + */ + getRange(syntaxElement: Options["SyntaxElementWithLoc"]): SourceRange; + /** + * Traversal of AST. + */ + traverse(): Iterable; + /** + * Applies language options passed in from the ESLint core. + */ + applyLanguageOptions?(languageOptions: Options["LangOptions"]): void; + /** + * Return all of the inline areas where ESLint should be disabled/enabled + * along with any problems found in evaluating the directives. + */ + getDisableDirectives?(): { + directives: Directive[]; + problems: FileProblem[]; + }; + /** + * Returns an array of all inline configuration nodes found in the + * source code. + */ + getInlineConfigNodes?(): Options["ConfigNode"][]; + /** + * Applies configuration found inside of the source code. This method is only + * called when ESLint is running with inline configuration allowed. + */ + applyInlineConfig?(): { + configs: InlineConfigElement[]; + problems: FileProblem[]; + }; + /** + * Called by ESLint core to indicate that it has finished providing + * information. We now add in all the missing variables and ensure that + * state-changing methods cannot be called by rules. + * @returns {void} + */ + finalize?(): void; +} +/** + * Represents the source of a text file being linted. + */ +export interface TextSourceCode extends SourceCodeBase { + /** + * The body of the file that you'd like rule developers to access. + */ + text: string; +} +/** + * Represents the source of a binary file being linted. + */ +export interface BinarySourceCode extends SourceCodeBase { + /** + * The body of the file that you'd like rule developers to access. + */ + body: Uint8Array; +} +export type SourceCode = TextSourceCode | BinarySourceCode; +/** + * Represents a traversal step visiting the AST. + */ +export interface VisitTraversalStep { + kind: 1; + target: unknown; + phase: 1 | 2; + args: unknown[]; +} +/** + * Represents a traversal step calling a function. + */ +export interface CallTraversalStep { + kind: 2; + target: string; + phase?: string; + args: unknown[]; +} +export type TraversalStep = VisitTraversalStep | CallTraversalStep; +/** + * The type of disable directive. This determines how ESLint will disable rules. + */ +export type DirectiveType = "disable" | "enable" | "disable-line" | "disable-next-line"; +/** + * Represents a disable directive. + */ +export interface Directive { + /** + * The type of directive. + */ + type: DirectiveType; + /** + * The node of the directive. May be in the AST or a comment/token. + */ + node: unknown; + /** + * The value of the directive. + */ + value: string; + /** + * The justification for the directive. + */ + justification?: string; +} +export {}; diff --git a/module/node_modules/@eslint/core/dist/esm/types.d.ts b/module/node_modules/@eslint/core/dist/esm/types.d.ts new file mode 100644 index 000000000..3fa4bebc1 --- /dev/null +++ b/module/node_modules/@eslint/core/dist/esm/types.d.ts @@ -0,0 +1,1179 @@ +/** + * @fileoverview Shared types for ESLint Core. + */ +import type { JSONSchema4 } from "json-schema"; +/** + * Represents an error inside of a file. + */ +export interface FileError { + message: string; + line: number; + column: number; + endLine?: number; + endColumn?: number; +} +/** + * Represents a problem found in a file. + */ +export interface FileProblem { + ruleId: string | null; + message: string; + loc: SourceLocation; +} +/** + * Represents the start and end coordinates of a node inside the source. + */ +export interface SourceLocation { + start: Position; + end: Position; +} +/** + * Represents the start and end coordinates of a node inside the source with an offset. + */ +export interface SourceLocationWithOffset { + start: PositionWithOffset; + end: PositionWithOffset; +} +/** + * Represents a location coordinate inside the source. ESLint-style formats + * have just `line` and `column` while others may have `offset` as well. + */ +export interface Position { + line: number; + column: number; +} +/** + * Represents a location coordinate inside the source with an offset. + */ +export interface PositionWithOffset extends Position { + offset: number; +} +/** + * Represents a range of characters in the source. + */ +export type SourceRange = [number, number]; +/** + * What the rule is responsible for finding: + * - `problem` means the rule has noticed a potential error. + * - `suggestion` means the rule suggests an alternate or better approach. + * - `layout` means the rule is looking at spacing, indentation, etc. + */ +export type RuleType = "problem" | "suggestion" | "layout"; +/** + * The type of fix the rule can provide: + * - `code` means the rule can fix syntax. + * - `whitespace` means the rule can fix spacing and indentation. + */ +export type RuleFixType = "code" | "whitespace"; +/** + * An object containing visitor information for a rule. Each method is either the + * name of a node type or a selector, or is a method that will be called at specific + * times during the traversal. + */ +export type RuleVisitor = Record void) | undefined>; +/** + * Rule meta information used for documentation. + */ +export interface RulesMetaDocs { + /** + * A short description of the rule. + */ + description?: string | undefined; + /** + * The URL to the documentation for the rule. + */ + url?: string | undefined; + /** + * The category the rule falls under. + * @deprecated No longer used. + */ + category?: string | undefined; + /** + * Indicates if the rule is generally recommended for all users. + * + * Note - this will always be a boolean for core rules, but may be used in any way by plugins. + */ + recommended?: unknown; + /** + * Indicates if the rule is frozen (no longer accepting feature requests). + */ + frozen?: boolean | undefined; +} +/** + * Meta information about a rule. + */ +export interface RulesMeta { + /** + * Properties that are used when documenting the rule. + */ + docs?: (RulesMetaDocs & ExtRuleDocs) | undefined; + /** + * The type of rule. + */ + type?: RuleType | undefined; + /** + * The schema for the rule options. Required if the rule has options. + */ + schema?: JSONSchema4 | JSONSchema4[] | false | undefined; + /** + * Any default options to be recursively merged on top of any user-provided options. + */ + defaultOptions?: RuleOptions; + /** + * The messages that the rule can report. + */ + messages?: Record; + /** + * Indicates whether the rule has been deprecated or provides additional metadata about the deprecation. Omit if not deprecated. + */ + deprecated?: boolean | DeprecatedInfo | undefined; + /** + * @deprecated Use deprecated.replacedBy instead. + * The name of the rule(s) this rule was replaced by, if it was deprecated. + */ + replacedBy?: readonly string[] | undefined; + /** + * Indicates if the rule is fixable, and if so, what type of fix it provides. + */ + fixable?: RuleFixType | undefined; + /** + * Indicates if the rule may provide suggestions. + */ + hasSuggestions?: boolean | undefined; + /** + * The language the rule is intended to lint. + */ + language?: string; + /** + * The dialects of `language` that the rule is intended to lint. + */ + dialects?: string[]; +} +/** + * Provides additional metadata about a deprecation. + */ +export interface DeprecatedInfo { + /** + * General message presented to the user, e.g. for the key rule why the rule + * is deprecated or for info how to replace the rule. + */ + message?: string; + /** + * URL to more information about this deprecation in general. + */ + url?: string; + /** + * An empty array explicitly states that there is no replacement. + */ + replacedBy?: ReplacedByInfo[]; + /** + * The package version since when the rule is deprecated (should use full + * semver without a leading "v"). + */ + deprecatedSince?: string; + /** + * The estimated version when the rule is removed (probably the next major + * version). null means the rule is "frozen" (will be available but will not + * be changed). + */ + availableUntil?: string | null; +} +/** + * Provides metadata about a replacement + */ +export interface ReplacedByInfo { + /** + * General message presented to the user, e.g. how to replace the rule + */ + message?: string; + /** + * URL to more information about this replacement in general + */ + url?: string; + /** + * Name should be "eslint" if the replacement is an ESLint core rule. Omit + * the property if the replacement is in the same plugin. + */ + plugin?: ExternalSpecifier; + /** + * Name and documentation of the replacement rule + */ + rule?: ExternalSpecifier; +} +/** + * Specifies the name and url of an external resource. At least one property + * should be set. + */ +export interface ExternalSpecifier { + /** + * Name of the referenced plugin / rule. + */ + name?: string; + /** + * URL pointing to documentation for the plugin / rule. + */ + url?: string; +} +/** + * Generic type for `RuleContext`. + */ +export interface RuleContextTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RuleOptions: unknown[]; + Node: unknown; + MessageIds: string; +} +/** + * Represents the context object that is passed to a rule. This object contains + * information about the current state of the linting process and is the rule's + * view into the outside world. + */ +export interface RuleContext { + /** + * The current working directory for the session. + */ + cwd: string; + /** + * Returns the current working directory for the session. + * @deprecated Use `cwd` instead. + */ + getCwd(): string; + /** + * The filename of the file being linted. + */ + filename: string; + /** + * Returns the filename of the file being linted. + * @deprecated Use `filename` instead. + */ + getFilename(): string; + /** + * The physical filename of the file being linted. + */ + physicalFilename: string; + /** + * Returns the physical filename of the file being linted. + * @deprecated Use `physicalFilename` instead. + */ + getPhysicalFilename(): string; + /** + * The source code object that the rule is running on. + */ + sourceCode: Options["Code"]; + /** + * Returns the source code object that the rule is running on. + * @deprecated Use `sourceCode` instead. + */ + getSourceCode(): Options["Code"]; + /** + * Shared settings for the configuration. + */ + settings: SettingsConfig; + /** + * Parser-specific options for the configuration. + * @deprecated Use `languageOptions.parserOptions` instead. + */ + parserOptions: Record; + /** + * The language options for the configuration. + */ + languageOptions: Options["LangOptions"]; + /** + * The CommonJS path to the parser used while parsing this file. + * @deprecated No longer used. + */ + parserPath: string | undefined; + /** + * The rule ID. + */ + id: string; + /** + * The rule's configured options. + */ + options: Options["RuleOptions"]; + /** + * The report function that the rule should use to report problems. + * @param violation The violation to report. + */ + report(violation: ViolationReport): void; +} +/** + * Manager of text edits for a rule fix. + */ +export interface RuleTextEditor { + /** + * Inserts text after the specified node or token. + * @param syntaxElement The node or token to insert after. + * @param text The edit to insert after the node or token. + */ + insertTextAfter(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Inserts text after the specified range. + * @param range The range to insert after. + * @param text The edit to insert after the range. + */ + insertTextAfterRange(range: SourceRange, text: string): RuleTextEdit; + /** + * Inserts text before the specified node or token. + * @param syntaxElement A syntax element with location information to insert before. + * @param text The edit to insert before the node or token. + */ + insertTextBefore(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Inserts text before the specified range. + * @param range The range to insert before. + * @param text The edit to insert before the range. + */ + insertTextBeforeRange(range: SourceRange, text: string): RuleTextEdit; + /** + * Removes the specified node or token. + * @param syntaxElement A syntax element with location information to remove. + * @returns The edit to remove the node or token. + */ + remove(syntaxElement: EditableSyntaxElement): RuleTextEdit; + /** + * Removes the specified range. + * @param range The range to remove. + * @returns The edit to remove the range. + */ + removeRange(range: SourceRange): RuleTextEdit; + /** + * Replaces the specified node or token with the given text. + * @param syntaxElement A syntax element with location information to replace. + * @param text The text to replace the node or token with. + * @returns The edit to replace the node or token. + */ + replaceText(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Replaces the specified range with the given text. + * @param range The range to replace. + * @param text The text to replace the range with. + * @returns The edit to replace the range. + */ + replaceTextRange(range: SourceRange, text: string): RuleTextEdit; +} +/** + * Represents a fix for a rule violation implemented as a text edit. + */ +export interface RuleTextEdit { + /** + * The range to replace. + */ + range: SourceRange; + /** + * The text to insert. + */ + text: string; +} +/** + * Fixes a violation. + * @param fixer The text editor to apply the fix. + * @returns The fix(es) for the violation. + */ +export type RuleFixer = (fixer: RuleTextEditor) => RuleTextEdit | Iterable | null; +export interface ViolationReportBase { + /** + * The data to insert into the message. + */ + data?: Record | undefined; + /** + * The fix to be applied for the violation. + */ + fix?: RuleFixer | null | undefined; + /** + * An array of suggested fixes for the problem. These fixes may change the + * behavior of the code, so they are not applied automatically. + */ + suggest?: SuggestedEdit[] | null | undefined; +} +export type ViolationMessage = { + message: string; +} | { + messageId: MessageIds; +}; +export type ViolationLocation = { + loc: SourceLocation | Position; +} | { + node: Node; +}; +export type ViolationReport = ViolationReportBase & ViolationMessage & ViolationLocation; +export interface SuggestedEditBase { + /** + * The data to insert into the message. + */ + data?: Record | undefined; + /** + * The fix to be applied for the suggestion. + */ + fix: RuleFixer; +} +export type SuggestionMessage = { + desc: string; +} | { + messageId: string; +}; +/** + * A suggested edit for a rule violation. + */ +export type SuggestedEdit = SuggestedEditBase & SuggestionMessage; +/** + * The normalized version of a lint suggestion. + */ +export interface LintSuggestion { + /** A short description. */ + desc: string; + /** Fix result info. */ + fix: RuleTextEdit; + /** Id referencing a message for the description. */ + messageId?: string | undefined; +} +/** + * The normalized version of a lint violation message. + */ +export interface LintMessage { + /** The 1-based column number. */ + column: number; + /** The 1-based line number. */ + line: number; + /** The 1-based column number of the end location. */ + endColumn?: number | undefined; + /** The 1-based line number of the end location. */ + endLine?: number | undefined; + /** The ID of the rule which makes this message. */ + ruleId: string | null; + /** The reported message. */ + message: string; + /** The ID of the message in the rule's meta. */ + messageId?: string | undefined; + /** + * Type of node. + * @deprecated `nodeType` is deprecated and will be removed in the next major version. + */ + nodeType?: string | undefined; + /** If `true` then this is a fatal error. */ + fatal?: true | undefined; + /** The severity of this message. */ + severity: Exclude; + /** Information for autofix. */ + fix?: RuleTextEdit | undefined; + /** Information for suggestions. */ + suggestions?: LintSuggestion[] | undefined; +} +/** + * Generic options for the `RuleDefinition` type. + */ +export interface RuleDefinitionTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RuleOptions: unknown[]; + Visitor: RuleVisitor; + Node: unknown; + MessageIds: string; + ExtRuleDocs: unknown; +} +/** + * The definition of an ESLint rule. + */ +export interface RuleDefinition { + /** + * The meta information for the rule. + */ + meta?: RulesMeta; + /** + * Creates the visitor that ESLint uses to apply the rule during traversal. + * @param context The rule context. + * @returns The rule visitor. + */ + create(context: RuleContext<{ + LangOptions: Options["LangOptions"]; + Code: Options["Code"]; + RuleOptions: Options["RuleOptions"]; + Node: Options["Node"]; + MessageIds: Options["MessageIds"]; + }>): Options["Visitor"]; +} +/** + * Defaults for non-language-related `RuleDefinition` options. + */ +export interface CustomRuleTypeDefinitions { + RuleOptions: unknown[]; + MessageIds: string; + ExtRuleDocs: Record; +} +/** + * A helper type to define language specific specializations of the `RuleDefinition` type. + * + * @example + * ```ts + * type YourRuleDefinition< + * Options extends Partial = {}, + * > = CustomRuleDefinitionType< + * { + * LangOptions: YourLanguageOptions; + * Code: YourSourceCode; + * Visitor: YourRuleVisitor; + * Node: YourNode; + * }, + * Options + * >; + * ``` + */ +export type CustomRuleDefinitionType, Options extends Partial> = RuleDefinition>>; +/** + * The human readable severity level used in a configuration. + */ +export type SeverityName = "off" | "warn" | "error"; +/** + * The numeric severity level for a rule. + * + * - `0` means off. + * - `1` means warn. + * - `2` means error. + */ +export type SeverityLevel = 0 | 1 | 2; +/** + * The severity of a rule in a configuration. + */ +export type Severity = SeverityName | SeverityLevel; +/** + * Represents the metadata for an object, such as a plugin or processor. + */ +export interface ObjectMetaProperties { + /** @deprecated Use `meta.name` instead. */ + name?: string | undefined; + /** @deprecated Use `meta.version` instead. */ + version?: string | undefined; + meta?: { + name?: string | undefined; + version?: string | undefined; + }; +} +/** + * Represents the configuration options for the core linter. + */ +export interface LinterOptionsConfig { + /** + * Indicates whether or not inline configuration is evaluated. + */ + noInlineConfig?: boolean; + /** + * Indicates what to do when an unused disable directive is found. + */ + reportUnusedDisableDirectives?: boolean | Severity; + /** + * A severity value indicating if and how unused inline configs should be + * tracked and reported. + */ + reportUnusedInlineConfigs?: Severity; +} +/** + * The configuration for a rule. + */ +export type RuleConfig = Severity | [Severity, ...Partial]; +/** + * A collection of rules and their configurations. + */ +export interface RulesConfig { + [key: string]: RuleConfig; +} +/** + * A collection of settings. + */ +export interface SettingsConfig { + [key: string]: unknown; +} +/** + * The configuration for a set of files. + */ +export interface ConfigObject { + /** + * A string to identify the configuration object. Used in error messages and + * inspection tools. + */ + name?: string; + /** + * Path to the directory where the configuration object should apply. + * `files` and `ignores` patterns in the configuration object are + * interpreted as relative to this path. + */ + basePath?: string; + /** + * An array of glob patterns indicating the files that the configuration + * object should apply to. If not specified, the configuration object applies + * to all files + */ + files?: (string | string[])[]; + /** + * An array of glob patterns indicating the files that the configuration + * object should not apply to. If not specified, the configuration object + * applies to all files matched by files + */ + ignores?: string[]; + /** + * The name of the language used for linting. This is used to determine the + * parser and other language-specific settings. + * @since 9.7.0 + */ + language?: string; + /** + * An object containing settings related to how the language is configured for + * linting. + */ + languageOptions?: LanguageOptions; + /** + * An object containing settings related to the linting process + */ + linterOptions?: LinterOptionsConfig; + /** + * Either an object containing preprocess() and postprocess() methods or a + * string indicating the name of a processor inside of a plugin + * (i.e., "pluginName/processorName"). + */ + processor?: string | Processor; + /** + * An object containing a name-value mapping of plugin names to plugin objects. + * When files is specified, these plugins are only available to the matching files. + */ + plugins?: Record; + /** + * An object containing the configured rules. When files or ignores are specified, + * these rule configurations are only available to the matching files. + */ + rules?: Partial; + /** + * An object containing name-value pairs of information that should be + * available to all rules. + */ + settings?: Record; +} +/** @deprecated Only supported in legacy eslintrc config format. */ +export type GlobalAccess = boolean | "off" | "readable" | "readonly" | "writable" | "writeable"; +/** @deprecated Only supported in legacy eslintrc config format. */ +export interface GlobalsConfig { + [name: string]: GlobalAccess; +} +/** + * The ECMAScript version of the code being linted. + * @deprecated Only supported in legacy eslintrc config format. + */ +export type EcmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | "latest"; +/** + * The type of JavaScript source code. + * @deprecated Only supported in legacy eslintrc config format. + */ +export type JavaScriptSourceType = "script" | "module" | "commonjs"; +/** + * Parser options. + * @deprecated Only supported in legacy eslintrc config format. + * @see [Specifying Parser Options](https://eslint.org/docs/latest/use/configure/language-options#specifying-parser-options) + */ +export interface JavaScriptParserOptionsConfig { + /** + * Allow the use of reserved words as identifiers (if `ecmaVersion` is 3). + * + * @default false + */ + allowReserved?: boolean | undefined; + /** + * Accepts any valid ECMAScript version number or `'latest'`: + * + * - A version: es3, es5, es6, es7, es8, es9, es10, es11, es12, es13, es14, ..., or + * - A year: es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, ..., or + * - `'latest'` + * + * When it's a version or a year, the value must be a number - so do not include the `es` prefix. + * + * Specifies the version of ECMAScript syntax you want to use. This is used by the parser to determine how to perform scope analysis, and it affects the default + * + * @default 5 + */ + ecmaVersion?: EcmaVersion | undefined; + /** + * The type of JavaScript source code. Possible values are "script" for + * traditional script files, "module" for ECMAScript modules (ESM), and + * "commonjs" for CommonJS files. + * + * @default 'script' + * + * @see https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options + */ + sourceType?: JavaScriptSourceType | undefined; + /** + * An object indicating which additional language features you'd like to use. + * + * @see https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options + */ + ecmaFeatures?: { + globalReturn?: boolean | undefined; + impliedStrict?: boolean | undefined; + jsx?: boolean | undefined; + experimentalObjectRestSpread?: boolean | undefined; + [key: string]: any; + } | undefined; + [key: string]: any; +} +/** @deprecated Only supported in legacy eslintrc config format. */ +export interface EnvironmentConfig { + /** The definition of global variables. */ + globals?: GlobalsConfig | undefined; + /** The parser options that will be enabled under this environment. */ + parserOptions?: JavaScriptParserOptionsConfig | undefined; +} +/** + * A configuration object that may have a `rules` block. + */ +export interface HasRules { + rules?: Partial | undefined; +} +/** + * ESLint legacy configuration. + * + * @see [ESLint Legacy Configuration](https://eslint.org/docs/latest/use/configure/) + */ +export interface BaseConfig extends HasRules { + $schema?: string | undefined; + /** + * An environment provides predefined global variables. + * + * @see [Environments](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-environments) + */ + env?: { + [name: string]: boolean; + } | undefined; + /** + * Extending configuration files. + * + * @see [Extends](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#extending-configuration-files) + */ + extends?: string | string[] | undefined; + /** + * Specifying globals. + * + * @see [Globals](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-globals) + */ + globals?: GlobalsConfig | undefined; + /** + * Disable processing of inline comments. + * + * @see [Disabling Inline Comments](https://eslint.org/docs/latest/use/configure/rules-deprecated#disabling-inline-comments) + */ + noInlineConfig?: boolean | undefined; + /** + * Overrides can be used to use a differing configuration for matching sub-directories and files. + * + * @see [How do overrides work](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#how-do-overrides-work) + */ + overrides?: ConfigOverride[] | undefined; + /** + * Parser. + * + * @see [Working with Custom Parsers](https://eslint.org/docs/latest/extend/custom-parsers) + * @see [Specifying Parser](https://eslint.org/docs/latest/use/configure/parser-deprecated) + */ + parser?: string | undefined; + /** + * Parser options. + * + * @see [Working with Custom Parsers](https://eslint.org/docs/latest/extend/custom-parsers) + * @see [Specifying Parser Options](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options) + */ + parserOptions?: JavaScriptParserOptionsConfig | undefined; + /** + * Which third-party plugins define additional rules, environments, configs, etc. for ESLint to use. + * + * @see [Configuring Plugins](https://eslint.org/docs/latest/use/configure/plugins-deprecated#configure-plugins) + */ + plugins?: string[] | undefined; + /** + * Specifying processor. + * + * @see [processor](https://eslint.org/docs/latest/use/configure/plugins-deprecated#specify-a-processor) + */ + processor?: string | undefined; + /** + * Report unused eslint-disable comments as warning. + * + * @see [Report unused eslint-disable comments](https://eslint.org/docs/latest/use/configure/rules-deprecated#report-unused-eslint-disable-comments) + */ + reportUnusedDisableDirectives?: boolean | undefined; + /** + * Settings. + * + * @see [Settings](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#adding-shared-settings) + */ + settings?: SettingsConfig | undefined; +} +/** + * The overwrites that apply more differing configuration to specific files or directories. + */ +export interface ConfigOverride extends BaseConfig { + /** + * The glob patterns for excluded files. + */ + excludedFiles?: string | string[] | undefined; + /** + * The glob patterns for target files. + */ + files: string | string[]; +} +/** + * ESLint legacy configuration. + * + * @see [ESLint Legacy Configuration](https://eslint.org/docs/latest/use/configure/) + */ +export interface LegacyConfigObject extends BaseConfig { + /** + * Tell ESLint to ignore specific files and directories. + * + * @see [Ignore Patterns](https://eslint.org/docs/latest/use/configure/ignore-deprecated#ignorepatterns-in-config-files) + */ + ignorePatterns?: string | string[] | undefined; + /** + * @see [Using Configuration Files](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#using-configuration-files) + */ + root?: boolean | undefined; +} +/** + * File information passed to a processor. + */ +export interface ProcessorFile { + text: string; + filename: string; +} +/** + * A processor is an object that can preprocess and postprocess files. + */ +export interface Processor extends ObjectMetaProperties { + /** If `true` then it means the processor supports autofix. */ + supportsAutofix?: boolean | undefined; + /** The function to extract code blocks. */ + preprocess?(text: string, filename: string): T[]; + /** The function to merge messages. */ + postprocess?(messages: LintMessage[][], filename: string): LintMessage[]; +} +export interface Plugin extends ObjectMetaProperties { + meta?: ObjectMetaProperties["meta"] & { + namespace?: string | undefined; + }; + configs?: Record | undefined; + environments?: Record | undefined; + languages?: Record | undefined; + processors?: Record | undefined; + rules?: Record | undefined; +} +/** + * Generic options for the `Language` type. + */ +export interface LanguageTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RootNode: unknown; + Node: unknown; +} +/** + * Represents a plugin language. + */ +export interface Language { + /** + * Indicates how ESLint should read the file. + */ + fileType: "text"; + /** + * First line number returned from the parser (text mode only). + */ + lineStart: 0 | 1; + /** + * First column number returned from the parser (text mode only). + */ + columnStart: 0 | 1; + /** + * The property to read the node type from. Used in selector querying. + */ + nodeTypeKey: string; + /** + * The traversal path that tools should take when evaluating the AST + */ + visitorKeys?: Record; + /** + * Default language options. User-defined options are merged with this object. + */ + defaultLanguageOptions?: LanguageOptions; + /** + * Validates languageOptions for this language. + */ + validateLanguageOptions(languageOptions: Options["LangOptions"]): void; + /** + * Normalizes languageOptions for this language. + */ + normalizeLanguageOptions?(languageOptions: Options["LangOptions"]): Options["LangOptions"]; + /** + * Helper for esquery that allows languages to match nodes against + * class. esquery currently has classes like `function` that will + * match all the various function nodes. This method allows languages + * to implement similar shorthands. + */ + matchesSelectorClass?(className: string, node: Options["Node"], ancestry: Options["Node"][]): boolean; + /** + * Parses the given file input into its component parts. This file should not + * throws errors for parsing errors but rather should return any parsing + * errors as parse of the ParseResult object. + */ + parse(file: File, context: LanguageContext): ParseResult; + /** + * Creates SourceCode object that ESLint uses to work with a file. + */ + createSourceCode(file: File, input: OkParseResult, context: LanguageContext): Options["Code"]; +} +/** + * Plugin-defined options for the language. + */ +export type LanguageOptions = Record; +/** + * The context object that is passed to the language plugin methods. + */ +export interface LanguageContext { + languageOptions: LangOptions; +} +/** + * Represents a file read by ESLint. + */ +export interface File { + /** + * The path that ESLint uses for this file. May be a virtual path + * if it was returned by a processor. + */ + path: string; + /** + * The path to the file on disk. This always maps directly to a file + * regardless of whether it was returned from a processor. + */ + physicalPath: string; + /** + * Indicates if the original source contained a byte-order marker. + * ESLint strips the BOM from the `body`, but this info is needed + * to correctly apply autofixing. + */ + bom: boolean; + /** + * The body of the file to parse. + */ + body: string | Uint8Array; +} +/** + * Represents the successful result of parsing a file. + */ +export interface OkParseResult { + /** + * Indicates if the parse was successful. If true, the parse was successful + * and ESLint should continue on to create a SourceCode object and run rules; + * if false, ESLint should just report the error(s) without doing anything + * else. + */ + ok: true; + /** + * The abstract syntax tree created by the parser. (only when ok: true) + */ + ast: RootNode; + /** + * Any additional data that the parser wants to provide. + */ + [key: string]: any; +} +/** + * Represents the unsuccessful result of parsing a file. + */ +export interface NotOkParseResult { + /** + * Indicates if the parse was successful. If true, the parse was successful + * and ESLint should continue on to create a SourceCode object and run rules; + * if false, ESLint should just report the error(s) without doing anything + * else. + */ + ok: false; + /** + * Any parsing errors, whether fatal or not. (only when ok: false) + */ + errors: FileError[]; + /** + * Any additional data that the parser wants to provide. + */ + [key: string]: any; +} +export type ParseResult = OkParseResult | NotOkParseResult; +/** + * Represents inline configuration found in the source code. + */ +interface InlineConfigElement { + /** + * The location of the inline config element. + */ + loc: SourceLocation; + /** + * The interpreted configuration from the inline config element. + */ + config: { + rules: RulesConfig; + }; +} +/** + * Generic options for the `SourceCodeBase` type. + */ +export interface SourceCodeBaseTypeOptions { + LangOptions: LanguageOptions; + RootNode: unknown; + SyntaxElementWithLoc: unknown; + ConfigNode: unknown; +} +/** + * Represents the basic interface for a source code object. + */ +interface SourceCodeBase { + /** + * Root of the AST. + */ + ast: Options["RootNode"]; + /** + * The traversal path that tools should take when evaluating the AST. + * When present, this overrides the `visitorKeys` on the language for + * just this source code object. + */ + visitorKeys?: Record; + /** + * Retrieves the equivalent of `loc` for a given node or token. + * @param syntaxElement The node or token to get the location for. + * @returns The location of the node or token. + */ + getLoc(syntaxElement: Options["SyntaxElementWithLoc"]): SourceLocation; + /** + * Retrieves the equivalent of `range` for a given node or token. + * @param syntaxElement The node or token to get the range for. + * @returns The range of the node or token. + */ + getRange(syntaxElement: Options["SyntaxElementWithLoc"]): SourceRange; + /** + * Traversal of AST. + */ + traverse(): Iterable; + /** + * Applies language options passed in from the ESLint core. + */ + applyLanguageOptions?(languageOptions: Options["LangOptions"]): void; + /** + * Return all of the inline areas where ESLint should be disabled/enabled + * along with any problems found in evaluating the directives. + */ + getDisableDirectives?(): { + directives: Directive[]; + problems: FileProblem[]; + }; + /** + * Returns an array of all inline configuration nodes found in the + * source code. + */ + getInlineConfigNodes?(): Options["ConfigNode"][]; + /** + * Applies configuration found inside of the source code. This method is only + * called when ESLint is running with inline configuration allowed. + */ + applyInlineConfig?(): { + configs: InlineConfigElement[]; + problems: FileProblem[]; + }; + /** + * Called by ESLint core to indicate that it has finished providing + * information. We now add in all the missing variables and ensure that + * state-changing methods cannot be called by rules. + * @returns {void} + */ + finalize?(): void; +} +/** + * Represents the source of a text file being linted. + */ +export interface TextSourceCode extends SourceCodeBase { + /** + * The body of the file that you'd like rule developers to access. + */ + text: string; +} +/** + * Represents the source of a binary file being linted. + */ +export interface BinarySourceCode extends SourceCodeBase { + /** + * The body of the file that you'd like rule developers to access. + */ + body: Uint8Array; +} +export type SourceCode = TextSourceCode | BinarySourceCode; +/** + * Represents a traversal step visiting the AST. + */ +export interface VisitTraversalStep { + kind: 1; + target: unknown; + phase: 1 | 2; + args: unknown[]; +} +/** + * Represents a traversal step calling a function. + */ +export interface CallTraversalStep { + kind: 2; + target: string; + phase?: string; + args: unknown[]; +} +export type TraversalStep = VisitTraversalStep | CallTraversalStep; +/** + * The type of disable directive. This determines how ESLint will disable rules. + */ +export type DirectiveType = "disable" | "enable" | "disable-line" | "disable-next-line"; +/** + * Represents a disable directive. + */ +export interface Directive { + /** + * The type of directive. + */ + type: DirectiveType; + /** + * The node of the directive. May be in the AST or a comment/token. + */ + node: unknown; + /** + * The value of the directive. + */ + value: string; + /** + * The justification for the directive. + */ + justification?: string; +} +export {}; diff --git a/module/node_modules/@eslint/core/package.json b/module/node_modules/@eslint/core/package.json new file mode 100644 index 000000000..d2f470bbf --- /dev/null +++ b/module/node_modules/@eslint/core/package.json @@ -0,0 +1,49 @@ +{ + "name": "@eslint/core", + "version": "0.17.0", + "description": "Runtime-agnostic core of ESLint", + "type": "module", + "types": "./dist/esm/types.d.ts", + "exports": { + "types": { + "import": "./dist/esm/types.d.ts", + "require": "./dist/cjs/types.d.cts" + } + }, + "files": [ + "dist" + ], + "publishConfig": { + "access": "public" + }, + "scripts": { + "build:cts": "node -e \"fs.cpSync('dist/esm/types.d.ts', 'dist/cjs/types.d.cts')\"", + "build": "tsc && npm run build:cts", + "test:jsr": "npx jsr@latest publish --dry-run", + "test:types": "tsc -p tests/types/tsconfig.json" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/eslint/rewrite.git", + "directory": "packages/core" + }, + "keywords": [ + "eslint", + "core" + ], + "author": "Nicholas C. Zakas", + "license": "Apache-2.0", + "bugs": { + "url": "https://github.com/eslint/rewrite/issues" + }, + "homepage": "https://github.com/eslint/rewrite/tree/main/packages/core#readme", + "dependencies": { + "@types/json-schema": "^7.0.15" + }, + "devDependencies": { + "json-schema": "^0.4.0" + }, + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + } +} diff --git a/module/node_modules/@eslint/eslintrc/LICENSE b/module/node_modules/@eslint/eslintrc/LICENSE new file mode 100644 index 000000000..b607bb36e --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/LICENSE @@ -0,0 +1,19 @@ +Copyright OpenJS Foundation and other contributors, + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/module/node_modules/@eslint/eslintrc/README.md b/module/node_modules/@eslint/eslintrc/README.md new file mode 100644 index 000000000..846cd120d --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/README.md @@ -0,0 +1,145 @@ +# ESLintRC Library + +This repository contains the legacy ESLintRC configuration file format for ESLint. This package is not intended for use outside of the ESLint ecosystem. It is ESLint-specific and not intended for use in other programs. + +**Note:** This package is frozen except for critical bug fixes as ESLint moves to a new config system. + +## Installation + +You can install the package as follows: + +```shell +npm install @eslint/eslintrc -D +# or +yarn add @eslint/eslintrc -D +# or +pnpm install @eslint/eslintrc -D +# or +bun install @eslint/eslintrc -D +``` + +## Usage (ESM) + +The primary class in this package is `FlatCompat`, which is a utility to translate ESLintRC-style configs into flat configs. Here's how you use it inside of your `eslint.config.js` file: + +```js +import { FlatCompat } from "@eslint/eslintrc"; +import js from "@eslint/js"; +import path from "path"; +import { fileURLToPath } from "url"; + +// mimic CommonJS variables -- not needed if using CommonJS +const __filename = fileURLToPath(import.meta.url); +const __dirname = path.dirname(__filename); + +const compat = new FlatCompat({ + baseDirectory: __dirname, // optional; default: process.cwd() + resolvePluginsRelativeTo: __dirname, // optional + recommendedConfig: js.configs.recommended, // optional unless you're using "eslint:recommended" + allConfig: js.configs.all, // optional unless you're using "eslint:all" +}); + +export default [ + + // mimic ESLintRC-style extends + ...compat.extends("standard", "example", "plugin:react/recommended"), + + // mimic environments + ...compat.env({ + es2020: true, + node: true + }), + + // mimic plugins + ...compat.plugins("jsx-a11y", "react"), + + // translate an entire config + ...compat.config({ + plugins: ["jsx-a11y", "react"], + extends: "standard", + env: { + es2020: true, + node: true + }, + rules: { + semi: "error" + } + }) +]; +``` + +## Usage (CommonJS) + +Using `FlatCompat` in CommonJS files is similar to ESM, but you'll use `require()` and `module.exports` instead of `import` and `export`. Here's how you use it inside of your `eslint.config.js` CommonJS file: + +```js +const { FlatCompat } = require("@eslint/eslintrc"); +const js = require("@eslint/js"); + +const compat = new FlatCompat({ + baseDirectory: __dirname, // optional; default: process.cwd() + resolvePluginsRelativeTo: __dirname, // optional + recommendedConfig: js.configs.recommended, // optional unless using "eslint:recommended" + allConfig: js.configs.all, // optional unless using "eslint:all" +}); + +module.exports = [ + + // mimic ESLintRC-style extends + ...compat.extends("standard", "example", "plugin:react/recommended"), + + // mimic environments + ...compat.env({ + es2020: true, + node: true + }), + + // mimic plugins + ...compat.plugins("jsx-a11y", "react"), + + // translate an entire config + ...compat.config({ + plugins: ["jsx-a11y", "react"], + extends: "standard", + env: { + es2020: true, + node: true + }, + rules: { + semi: "error" + } + }) +]; +``` + +## Troubleshooting + +**TypeError: Missing parameter 'recommendedConfig' in FlatCompat constructor** + +The `recommendedConfig` option is required when any config uses `eslint:recommended`, including any config in an `extends` clause. To fix this, follow the example above using `@eslint/js` to provide the `eslint:recommended` config. + +**TypeError: Missing parameter 'allConfig' in FlatCompat constructor** + +The `allConfig` option is required when any config uses `eslint:all`, including any config in an `extends` clause. To fix this, follow the example above using `@eslint/js` to provide the `eslint:all` config. + +## License + +MIT License + + + + +## Sponsors + +The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. [Become a Sponsor](https://eslint.org/donate) +to get your logo on our READMEs and [website](https://eslint.org/sponsors). + +

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+

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+Technology sponsors allow us to use their products and services for free as part of a contribution to the open source ecosystem and our work. +

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+ diff --git a/module/node_modules/@eslint/eslintrc/conf/config-schema.js b/module/node_modules/@eslint/eslintrc/conf/config-schema.js new file mode 100644 index 000000000..ada90e135 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/conf/config-schema.js @@ -0,0 +1,79 @@ +/** + * @fileoverview Defines a schema for configs. + * @author Sylvan Mably + */ + +const baseConfigProperties = { + $schema: { type: "string" }, + env: { type: "object" }, + extends: { $ref: "#/definitions/stringOrStrings" }, + globals: { type: "object" }, + overrides: { + type: "array", + items: { $ref: "#/definitions/overrideConfig" }, + additionalItems: false + }, + parser: { type: ["string", "null"] }, + parserOptions: { type: "object" }, + plugins: { type: "array" }, + processor: { type: "string" }, + rules: { type: "object" }, + settings: { type: "object" }, + noInlineConfig: { type: "boolean" }, + reportUnusedDisableDirectives: { type: "boolean" }, + + ecmaFeatures: { type: "object" } // deprecated; logs a warning when used +}; + +const configSchema = { + definitions: { + stringOrStrings: { + oneOf: [ + { type: "string" }, + { + type: "array", + items: { type: "string" }, + additionalItems: false + } + ] + }, + stringOrStringsRequired: { + oneOf: [ + { type: "string" }, + { + type: "array", + items: { type: "string" }, + additionalItems: false, + minItems: 1 + } + ] + }, + + // Config at top-level. + objectConfig: { + type: "object", + properties: { + root: { type: "boolean" }, + ignorePatterns: { $ref: "#/definitions/stringOrStrings" }, + ...baseConfigProperties + }, + additionalProperties: false + }, + + // Config in `overrides`. + overrideConfig: { + type: "object", + properties: { + excludedFiles: { $ref: "#/definitions/stringOrStrings" }, + files: { $ref: "#/definitions/stringOrStringsRequired" }, + ...baseConfigProperties + }, + required: ["files"], + additionalProperties: false + } + }, + + $ref: "#/definitions/objectConfig" +}; + +export default configSchema; diff --git a/module/node_modules/@eslint/eslintrc/conf/environments.js b/module/node_modules/@eslint/eslintrc/conf/environments.js new file mode 100644 index 000000000..e296fae7d --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/conf/environments.js @@ -0,0 +1,215 @@ +/** + * @fileoverview Defines environment settings and globals. + * @author Elan Shanker + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +import globals from "globals"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Get the object that has difference. + * @param {Record} current The newer object. + * @param {Record} prev The older object. + * @returns {Record} The difference object. + */ +function getDiff(current, prev) { + const retv = {}; + + for (const [key, value] of Object.entries(current)) { + if (!Object.hasOwn(prev, key)) { + retv[key] = value; + } + } + + return retv; +} + +const newGlobals2015 = getDiff(globals.es2015, globals.es5); // 19 variables such as Promise, Map, ... +const newGlobals2017 = { + Atomics: false, + SharedArrayBuffer: false +}; +const newGlobals2020 = { + BigInt: false, + BigInt64Array: false, + BigUint64Array: false, + globalThis: false +}; + +const newGlobals2021 = { + AggregateError: false, + FinalizationRegistry: false, + WeakRef: false +}; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** @type {Map} */ +export default new Map(Object.entries({ + + // Language + builtin: { + globals: globals.es5 + }, + es6: { + globals: newGlobals2015, + parserOptions: { + ecmaVersion: 6 + } + }, + es2015: { + globals: newGlobals2015, + parserOptions: { + ecmaVersion: 6 + } + }, + es2016: { + globals: newGlobals2015, + parserOptions: { + ecmaVersion: 7 + } + }, + es2017: { + globals: { ...newGlobals2015, ...newGlobals2017 }, + parserOptions: { + ecmaVersion: 8 + } + }, + es2018: { + globals: { ...newGlobals2015, ...newGlobals2017 }, + parserOptions: { + ecmaVersion: 9 + } + }, + es2019: { + globals: { ...newGlobals2015, ...newGlobals2017 }, + parserOptions: { + ecmaVersion: 10 + } + }, + es2020: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020 }, + parserOptions: { + ecmaVersion: 11 + } + }, + es2021: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 12 + } + }, + es2022: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 13 + } + }, + es2023: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 14 + } + }, + es2024: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 15 + } + }, + + // Platforms + browser: { + globals: globals.browser + }, + node: { + globals: globals.node, + parserOptions: { + ecmaFeatures: { + globalReturn: true + } + } + }, + "shared-node-browser": { + globals: globals["shared-node-browser"] + }, + worker: { + globals: globals.worker + }, + serviceworker: { + globals: globals.serviceworker + }, + + // Frameworks + commonjs: { + globals: globals.commonjs, + parserOptions: { + ecmaFeatures: { + globalReturn: true + } + } + }, + amd: { + globals: globals.amd + }, + mocha: { + globals: globals.mocha + }, + jasmine: { + globals: globals.jasmine + }, + jest: { + globals: globals.jest + }, + phantomjs: { + globals: globals.phantomjs + }, + jquery: { + globals: globals.jquery + }, + qunit: { + globals: globals.qunit + }, + prototypejs: { + globals: globals.prototypejs + }, + shelljs: { + globals: globals.shelljs + }, + meteor: { + globals: globals.meteor + }, + mongo: { + globals: globals.mongo + }, + protractor: { + globals: globals.protractor + }, + applescript: { + globals: globals.applescript + }, + nashorn: { + globals: globals.nashorn + }, + atomtest: { + globals: globals.atomtest + }, + embertest: { + globals: globals.embertest + }, + webextensions: { + globals: globals.webextensions + }, + greasemonkey: { + globals: globals.greasemonkey + } +})); diff --git a/module/node_modules/@eslint/eslintrc/dist/eslintrc-universal.cjs b/module/node_modules/@eslint/eslintrc/dist/eslintrc-universal.cjs new file mode 100644 index 000000000..6000445f7 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/dist/eslintrc-universal.cjs @@ -0,0 +1,1212 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var util = require('node:util'); +var path = require('node:path'); +var Ajv = require('ajv'); +var globals = require('globals'); + +function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; } + +var util__default = /*#__PURE__*/_interopDefaultLegacy(util); +var path__default = /*#__PURE__*/_interopDefaultLegacy(path); +var Ajv__default = /*#__PURE__*/_interopDefaultLegacy(Ajv); +var globals__default = /*#__PURE__*/_interopDefaultLegacy(globals); + +/** + * @fileoverview Config file operations. This file must be usable in the browser, + * so no Node-specific code can be here. + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ + +const RULE_SEVERITY_STRINGS = ["off", "warn", "error"], + RULE_SEVERITY = RULE_SEVERITY_STRINGS.reduce((map, value, index) => { + map[value] = index; + return map; + }, {}), + VALID_SEVERITIES = new Set([0, 1, 2, "off", "warn", "error"]); + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Normalizes the severity value of a rule's configuration to a number + * @param {(number|string|[number, ...*]|[string, ...*])} ruleConfig A rule's configuration value, generally + * received from the user. A valid config value is either 0, 1, 2, the string "off" (treated the same as 0), + * the string "warn" (treated the same as 1), the string "error" (treated the same as 2), or an array + * whose first element is one of the above values. Strings are matched case-insensitively. + * @returns {(0|1|2)} The numeric severity value if the config value was valid, otherwise 0. + */ +function getRuleSeverity(ruleConfig) { + const severityValue = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig; + + if (severityValue === 0 || severityValue === 1 || severityValue === 2) { + return severityValue; + } + + if (typeof severityValue === "string") { + return RULE_SEVERITY[severityValue.toLowerCase()] || 0; + } + + return 0; +} + +/** + * Converts old-style severity settings (0, 1, 2) into new-style + * severity settings (off, warn, error) for all rules. Assumption is that severity + * values have already been validated as correct. + * @param {Object} config The config object to normalize. + * @returns {void} + */ +function normalizeToStrings(config) { + + if (config.rules) { + Object.keys(config.rules).forEach(ruleId => { + const ruleConfig = config.rules[ruleId]; + + if (typeof ruleConfig === "number") { + config.rules[ruleId] = RULE_SEVERITY_STRINGS[ruleConfig] || RULE_SEVERITY_STRINGS[0]; + } else if (Array.isArray(ruleConfig) && typeof ruleConfig[0] === "number") { + ruleConfig[0] = RULE_SEVERITY_STRINGS[ruleConfig[0]] || RULE_SEVERITY_STRINGS[0]; + } + }); + } +} + +/** + * Determines if the severity for the given rule configuration represents an error. + * @param {int|string|Array} ruleConfig The configuration for an individual rule. + * @returns {boolean} True if the rule represents an error, false if not. + */ +function isErrorSeverity(ruleConfig) { + return getRuleSeverity(ruleConfig) === 2; +} + +/** + * Checks whether a given config has valid severity or not. + * @param {number|string|Array} ruleConfig The configuration for an individual rule. + * @returns {boolean} `true` if the configuration has valid severity. + */ +function isValidSeverity(ruleConfig) { + let severity = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig; + + if (typeof severity === "string") { + severity = severity.toLowerCase(); + } + return VALID_SEVERITIES.has(severity); +} + +/** + * Checks whether every rule of a given config has valid severity or not. + * @param {Object} config The configuration for rules. + * @returns {boolean} `true` if the configuration has valid severity. + */ +function isEverySeverityValid(config) { + return Object.keys(config).every(ruleId => isValidSeverity(config[ruleId])); +} + +/** + * Normalizes a value for a global in a config + * @param {(boolean|string|null)} configuredValue The value given for a global in configuration or in + * a global directive comment + * @returns {("readable"|"writeable"|"off")} The value normalized as a string + * @throws Error if global value is invalid + */ +function normalizeConfigGlobal(configuredValue) { + switch (configuredValue) { + case "off": + return "off"; + + case true: + case "true": + case "writeable": + case "writable": + return "writable"; + + case null: + case false: + case "false": + case "readable": + case "readonly": + return "readonly"; + + default: + throw new Error(`'${configuredValue}' is not a valid configuration for a global (use 'readonly', 'writable', or 'off')`); + } +} + +var ConfigOps = { + __proto__: null, + getRuleSeverity: getRuleSeverity, + normalizeToStrings: normalizeToStrings, + isErrorSeverity: isErrorSeverity, + isValidSeverity: isValidSeverity, + isEverySeverityValid: isEverySeverityValid, + normalizeConfigGlobal: normalizeConfigGlobal +}; + +/** + * @fileoverview Provide the function that emits deprecation warnings. + * @author Toru Nagashima + */ + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ + +// Defitions for deprecation warnings. +const deprecationWarningMessages = { + ESLINT_LEGACY_ECMAFEATURES: + "The 'ecmaFeatures' config file property is deprecated and has no effect.", + ESLINT_PERSONAL_CONFIG_LOAD: + "'~/.eslintrc.*' config files have been deprecated. " + + "Please use a config file per project or the '--config' option.", + ESLINT_PERSONAL_CONFIG_SUPPRESS: + "'~/.eslintrc.*' config files have been deprecated. " + + "Please remove it or add 'root:true' to the config files in your " + + "projects in order to avoid loading '~/.eslintrc.*' accidentally." +}; + +const sourceFileErrorCache = new Set(); + +/** + * Emits a deprecation warning containing a given filepath. A new deprecation warning is emitted + * for each unique file path, but repeated invocations with the same file path have no effect. + * No warnings are emitted if the `--no-deprecation` or `--no-warnings` Node runtime flags are active. + * @param {string} source The name of the configuration source to report the warning for. + * @param {string} errorCode The warning message to show. + * @returns {void} + */ +function emitDeprecationWarning(source, errorCode) { + const cacheKey = JSON.stringify({ source, errorCode }); + + if (sourceFileErrorCache.has(cacheKey)) { + return; + } + sourceFileErrorCache.add(cacheKey); + + const rel = path__default["default"].relative(process.cwd(), source); + const message = deprecationWarningMessages[errorCode]; + + process.emitWarning( + `${message} (found in "${rel}")`, + "DeprecationWarning", + errorCode + ); +} + +/** + * @fileoverview The instance of Ajv validator. + * @author Evgeny Poberezkin + */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/* + * Copied from ajv/lib/refs/json-schema-draft-04.json + * The MIT License (MIT) + * Copyright (c) 2015-2017 Evgeny Poberezkin + */ +const metaSchema = { + id: "http://json-schema.org/draft-04/schema#", + $schema: "http://json-schema.org/draft-04/schema#", + description: "Core schema meta-schema", + definitions: { + schemaArray: { + type: "array", + minItems: 1, + items: { $ref: "#" } + }, + positiveInteger: { + type: "integer", + minimum: 0 + }, + positiveIntegerDefault0: { + allOf: [{ $ref: "#/definitions/positiveInteger" }, { default: 0 }] + }, + simpleTypes: { + enum: ["array", "boolean", "integer", "null", "number", "object", "string"] + }, + stringArray: { + type: "array", + items: { type: "string" }, + minItems: 1, + uniqueItems: true + } + }, + type: "object", + properties: { + id: { + type: "string" + }, + $schema: { + type: "string" + }, + title: { + type: "string" + }, + description: { + type: "string" + }, + default: { }, + multipleOf: { + type: "number", + minimum: 0, + exclusiveMinimum: true + }, + maximum: { + type: "number" + }, + exclusiveMaximum: { + type: "boolean", + default: false + }, + minimum: { + type: "number" + }, + exclusiveMinimum: { + type: "boolean", + default: false + }, + maxLength: { $ref: "#/definitions/positiveInteger" }, + minLength: { $ref: "#/definitions/positiveIntegerDefault0" }, + pattern: { + type: "string", + format: "regex" + }, + additionalItems: { + anyOf: [ + { type: "boolean" }, + { $ref: "#" } + ], + default: { } + }, + items: { + anyOf: [ + { $ref: "#" }, + { $ref: "#/definitions/schemaArray" } + ], + default: { } + }, + maxItems: { $ref: "#/definitions/positiveInteger" }, + minItems: { $ref: "#/definitions/positiveIntegerDefault0" }, + uniqueItems: { + type: "boolean", + default: false + }, + maxProperties: { $ref: "#/definitions/positiveInteger" }, + minProperties: { $ref: "#/definitions/positiveIntegerDefault0" }, + required: { $ref: "#/definitions/stringArray" }, + additionalProperties: { + anyOf: [ + { type: "boolean" }, + { $ref: "#" } + ], + default: { } + }, + definitions: { + type: "object", + additionalProperties: { $ref: "#" }, + default: { } + }, + properties: { + type: "object", + additionalProperties: { $ref: "#" }, + default: { } + }, + patternProperties: { + type: "object", + additionalProperties: { $ref: "#" }, + default: { } + }, + dependencies: { + type: "object", + additionalProperties: { + anyOf: [ + { $ref: "#" }, + { $ref: "#/definitions/stringArray" } + ] + } + }, + enum: { + type: "array", + minItems: 1, + uniqueItems: true + }, + type: { + anyOf: [ + { $ref: "#/definitions/simpleTypes" }, + { + type: "array", + items: { $ref: "#/definitions/simpleTypes" }, + minItems: 1, + uniqueItems: true + } + ] + }, + format: { type: "string" }, + allOf: { $ref: "#/definitions/schemaArray" }, + anyOf: { $ref: "#/definitions/schemaArray" }, + oneOf: { $ref: "#/definitions/schemaArray" }, + not: { $ref: "#" } + }, + dependencies: { + exclusiveMaximum: ["maximum"], + exclusiveMinimum: ["minimum"] + }, + default: { } +}; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +var ajvOrig = (additionalOptions = {}) => { + const ajv = new Ajv__default["default"]({ + meta: false, + useDefaults: true, + validateSchema: false, + missingRefs: "ignore", + verbose: true, + schemaId: "auto", + ...additionalOptions + }); + + ajv.addMetaSchema(metaSchema); + // eslint-disable-next-line no-underscore-dangle -- part of the API + ajv._opts.defaultMeta = metaSchema.id; + + return ajv; +}; + +/** + * @fileoverview Applies default rule options + * @author JoshuaKGoldberg + */ + +/** + * Check if the variable contains an object strictly rejecting arrays + * @param {unknown} value an object + * @returns {boolean} Whether value is an object + */ +function isObjectNotArray(value) { + return typeof value === "object" && value !== null && !Array.isArray(value); +} + +/** + * Deeply merges second on top of first, creating a new {} object if needed. + * @param {T} first Base, default value. + * @param {U} second User-specified value. + * @returns {T | U | (T & U)} Merged equivalent of second on top of first. + */ +function deepMergeObjects(first, second) { + if (second === void 0) { + return first; + } + + if (!isObjectNotArray(first) || !isObjectNotArray(second)) { + return second; + } + + const result = { ...first, ...second }; + + for (const key of Object.keys(second)) { + if (Object.prototype.propertyIsEnumerable.call(first, key)) { + result[key] = deepMergeObjects(first[key], second[key]); + } + } + + return result; +} + +/** + * Deeply merges second on top of first, creating a new [] array if needed. + * @param {T[] | undefined} first Base, default values. + * @param {U[] | undefined} second User-specified values. + * @returns {(T | U | (T & U))[]} Merged equivalent of second on top of first. + */ +function deepMergeArrays(first, second) { + if (!first || !second) { + return second || first || []; + } + + return [ + ...first.map((value, i) => deepMergeObjects(value, second[i])), + ...second.slice(first.length) + ]; +} + +/** + * @fileoverview Defines a schema for configs. + * @author Sylvan Mably + */ + +const baseConfigProperties = { + $schema: { type: "string" }, + env: { type: "object" }, + extends: { $ref: "#/definitions/stringOrStrings" }, + globals: { type: "object" }, + overrides: { + type: "array", + items: { $ref: "#/definitions/overrideConfig" }, + additionalItems: false + }, + parser: { type: ["string", "null"] }, + parserOptions: { type: "object" }, + plugins: { type: "array" }, + processor: { type: "string" }, + rules: { type: "object" }, + settings: { type: "object" }, + noInlineConfig: { type: "boolean" }, + reportUnusedDisableDirectives: { type: "boolean" }, + + ecmaFeatures: { type: "object" } // deprecated; logs a warning when used +}; + +const configSchema = { + definitions: { + stringOrStrings: { + oneOf: [ + { type: "string" }, + { + type: "array", + items: { type: "string" }, + additionalItems: false + } + ] + }, + stringOrStringsRequired: { + oneOf: [ + { type: "string" }, + { + type: "array", + items: { type: "string" }, + additionalItems: false, + minItems: 1 + } + ] + }, + + // Config at top-level. + objectConfig: { + type: "object", + properties: { + root: { type: "boolean" }, + ignorePatterns: { $ref: "#/definitions/stringOrStrings" }, + ...baseConfigProperties + }, + additionalProperties: false + }, + + // Config in `overrides`. + overrideConfig: { + type: "object", + properties: { + excludedFiles: { $ref: "#/definitions/stringOrStrings" }, + files: { $ref: "#/definitions/stringOrStringsRequired" }, + ...baseConfigProperties + }, + required: ["files"], + additionalProperties: false + } + }, + + $ref: "#/definitions/objectConfig" +}; + +/** + * @fileoverview Defines environment settings and globals. + * @author Elan Shanker + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Get the object that has difference. + * @param {Record} current The newer object. + * @param {Record} prev The older object. + * @returns {Record} The difference object. + */ +function getDiff(current, prev) { + const retv = {}; + + for (const [key, value] of Object.entries(current)) { + if (!Object.hasOwn(prev, key)) { + retv[key] = value; + } + } + + return retv; +} + +const newGlobals2015 = getDiff(globals__default["default"].es2015, globals__default["default"].es5); // 19 variables such as Promise, Map, ... +const newGlobals2017 = { + Atomics: false, + SharedArrayBuffer: false +}; +const newGlobals2020 = { + BigInt: false, + BigInt64Array: false, + BigUint64Array: false, + globalThis: false +}; + +const newGlobals2021 = { + AggregateError: false, + FinalizationRegistry: false, + WeakRef: false +}; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** @type {Map} */ +var environments = new Map(Object.entries({ + + // Language + builtin: { + globals: globals__default["default"].es5 + }, + es6: { + globals: newGlobals2015, + parserOptions: { + ecmaVersion: 6 + } + }, + es2015: { + globals: newGlobals2015, + parserOptions: { + ecmaVersion: 6 + } + }, + es2016: { + globals: newGlobals2015, + parserOptions: { + ecmaVersion: 7 + } + }, + es2017: { + globals: { ...newGlobals2015, ...newGlobals2017 }, + parserOptions: { + ecmaVersion: 8 + } + }, + es2018: { + globals: { ...newGlobals2015, ...newGlobals2017 }, + parserOptions: { + ecmaVersion: 9 + } + }, + es2019: { + globals: { ...newGlobals2015, ...newGlobals2017 }, + parserOptions: { + ecmaVersion: 10 + } + }, + es2020: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020 }, + parserOptions: { + ecmaVersion: 11 + } + }, + es2021: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 12 + } + }, + es2022: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 13 + } + }, + es2023: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 14 + } + }, + es2024: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 15 + } + }, + + // Platforms + browser: { + globals: globals__default["default"].browser + }, + node: { + globals: globals__default["default"].node, + parserOptions: { + ecmaFeatures: { + globalReturn: true + } + } + }, + "shared-node-browser": { + globals: globals__default["default"]["shared-node-browser"] + }, + worker: { + globals: globals__default["default"].worker + }, + serviceworker: { + globals: globals__default["default"].serviceworker + }, + + // Frameworks + commonjs: { + globals: globals__default["default"].commonjs, + parserOptions: { + ecmaFeatures: { + globalReturn: true + } + } + }, + amd: { + globals: globals__default["default"].amd + }, + mocha: { + globals: globals__default["default"].mocha + }, + jasmine: { + globals: globals__default["default"].jasmine + }, + jest: { + globals: globals__default["default"].jest + }, + phantomjs: { + globals: globals__default["default"].phantomjs + }, + jquery: { + globals: globals__default["default"].jquery + }, + qunit: { + globals: globals__default["default"].qunit + }, + prototypejs: { + globals: globals__default["default"].prototypejs + }, + shelljs: { + globals: globals__default["default"].shelljs + }, + meteor: { + globals: globals__default["default"].meteor + }, + mongo: { + globals: globals__default["default"].mongo + }, + protractor: { + globals: globals__default["default"].protractor + }, + applescript: { + globals: globals__default["default"].applescript + }, + nashorn: { + globals: globals__default["default"].nashorn + }, + atomtest: { + globals: globals__default["default"].atomtest + }, + embertest: { + globals: globals__default["default"].embertest + }, + webextensions: { + globals: globals__default["default"].webextensions + }, + greasemonkey: { + globals: globals__default["default"].greasemonkey + } +})); + +/** + * @fileoverview Validates configs. + * @author Brandon Mills + */ + +const ajv = ajvOrig(); + +const ruleValidators = new WeakMap(); +const noop = Function.prototype; + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ +let validateSchema; +const severityMap = { + error: 2, + warn: 1, + off: 0 +}; + +const validated = new WeakSet(); + +// JSON schema that disallows passing any options +const noOptionsSchema = Object.freeze({ + type: "array", + minItems: 0, + maxItems: 0 +}); + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Validator for configuration objects. + */ +class ConfigValidator { + constructor({ builtInRules = new Map() } = {}) { + this.builtInRules = builtInRules; + } + + /** + * Gets a complete options schema for a rule. + * @param {Rule} rule A rule object + * @throws {TypeError} If `meta.schema` is specified but is not an array, object or `false`. + * @returns {Object|null} JSON Schema for the rule's options. + * `null` if rule wasn't passed or its `meta.schema` is `false`. + */ + getRuleOptionsSchema(rule) { + if (!rule) { + return null; + } + + if (!rule.meta) { + return { ...noOptionsSchema }; // default if `meta.schema` is not specified + } + + const schema = rule.meta.schema; + + if (typeof schema === "undefined") { + return { ...noOptionsSchema }; // default if `meta.schema` is not specified + } + + // `schema:false` is an allowed explicit opt-out of options validation for the rule + if (schema === false) { + return null; + } + + if (typeof schema !== "object" || schema === null) { + throw new TypeError("Rule's `meta.schema` must be an array or object"); + } + + // ESLint-specific array form needs to be converted into a valid JSON Schema definition + if (Array.isArray(schema)) { + if (schema.length) { + return { + type: "array", + items: schema, + minItems: 0, + maxItems: schema.length + }; + } + + // `schema:[]` is an explicit way to specify that the rule does not accept any options + return { ...noOptionsSchema }; + } + + // `schema:` is assumed to be a valid JSON Schema definition + return schema; + } + + /** + * Validates a rule's severity and returns the severity value. Throws an error if the severity is invalid. + * @param {options} options The given options for the rule. + * @returns {number|string} The rule's severity value + * @throws {Error} If the severity is invalid. + */ + validateRuleSeverity(options) { + const severity = Array.isArray(options) ? options[0] : options; + const normSeverity = typeof severity === "string" ? severityMap[severity.toLowerCase()] : severity; + + if (normSeverity === 0 || normSeverity === 1 || normSeverity === 2) { + return normSeverity; + } + + throw new Error(`\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '${util__default["default"].inspect(severity).replace(/'/gu, "\"").replace(/\n/gu, "")}').\n`); + + } + + /** + * Validates the non-severity options passed to a rule, based on its schema. + * @param {{create: Function}} rule The rule to validate + * @param {Array} localOptions The options for the rule, excluding severity + * @returns {void} + * @throws {Error} If the options are invalid. + */ + validateRuleSchema(rule, localOptions) { + if (!ruleValidators.has(rule)) { + try { + const schema = this.getRuleOptionsSchema(rule); + + if (schema) { + ruleValidators.set(rule, ajv.compile(schema)); + } + } catch (err) { + const errorWithCode = new Error(err.message, { cause: err }); + + errorWithCode.code = "ESLINT_INVALID_RULE_OPTIONS_SCHEMA"; + + throw errorWithCode; + } + } + + const validateRule = ruleValidators.get(rule); + + if (validateRule) { + const mergedOptions = deepMergeArrays(rule.meta?.defaultOptions, localOptions); + + validateRule(mergedOptions); + + if (validateRule.errors) { + throw new Error(validateRule.errors.map( + error => `\tValue ${JSON.stringify(error.data)} ${error.message}.\n` + ).join("")); + } + } + } + + /** + * Validates a rule's options against its schema. + * @param {{create: Function}|null} rule The rule that the config is being validated for + * @param {string} ruleId The rule's unique name. + * @param {Array|number} options The given options for the rule. + * @param {string|null} source The name of the configuration source to report in any errors. If null or undefined, + * no source is prepended to the message. + * @returns {void} + * @throws {Error} If the options are invalid. + */ + validateRuleOptions(rule, ruleId, options, source = null) { + try { + const severity = this.validateRuleSeverity(options); + + if (severity !== 0) { + this.validateRuleSchema(rule, Array.isArray(options) ? options.slice(1) : []); + } + } catch (err) { + let enhancedMessage = err.code === "ESLINT_INVALID_RULE_OPTIONS_SCHEMA" + ? `Error while processing options validation schema of rule '${ruleId}': ${err.message}` + : `Configuration for rule "${ruleId}" is invalid:\n${err.message}`; + + if (typeof source === "string") { + enhancedMessage = `${source}:\n\t${enhancedMessage}`; + } + + const enhancedError = new Error(enhancedMessage, { cause: err }); + + if (err.code) { + enhancedError.code = err.code; + } + + throw enhancedError; + } + } + + /** + * Validates an environment object + * @param {Object} environment The environment config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @param {(envId:string) => Object} [getAdditionalEnv] A map from strings to loaded environments. + * @returns {void} + * @throws {Error} If the environment is invalid. + */ + validateEnvironment( + environment, + source, + getAdditionalEnv = noop + ) { + + // not having an environment is ok + if (!environment) { + return; + } + + Object.keys(environment).forEach(id => { + const env = getAdditionalEnv(id) || environments.get(id) || null; + + if (!env) { + const message = `${source}:\n\tEnvironment key "${id}" is unknown\n`; + + throw new Error(message); + } + }); + } + + /** + * Validates a rules config object + * @param {Object} rulesConfig The rules config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @param {(ruleId:string) => Object} getAdditionalRule A map from strings to loaded rules + * @returns {void} + */ + validateRules( + rulesConfig, + source, + getAdditionalRule = noop + ) { + if (!rulesConfig) { + return; + } + + Object.keys(rulesConfig).forEach(id => { + const rule = getAdditionalRule(id) || this.builtInRules.get(id) || null; + + this.validateRuleOptions(rule, id, rulesConfig[id], source); + }); + } + + /** + * Validates a `globals` section of a config file + * @param {Object} globalsConfig The `globals` section + * @param {string|null} source The name of the configuration source to report in the event of an error. + * @returns {void} + */ + validateGlobals(globalsConfig, source = null) { + if (!globalsConfig) { + return; + } + + Object.entries(globalsConfig) + .forEach(([configuredGlobal, configuredValue]) => { + try { + normalizeConfigGlobal(configuredValue); + } catch (err) { + throw new Error(`ESLint configuration of global '${configuredGlobal}' in ${source} is invalid:\n${err.message}`); + } + }); + } + + /** + * Validate `processor` configuration. + * @param {string|undefined} processorName The processor name. + * @param {string} source The name of config file. + * @param {(id:string) => Processor} getProcessor The getter of defined processors. + * @returns {void} + * @throws {Error} If the processor is invalid. + */ + validateProcessor(processorName, source, getProcessor) { + if (processorName && !getProcessor(processorName)) { + throw new Error(`ESLint configuration of processor in '${source}' is invalid: '${processorName}' was not found.`); + } + } + + /** + * Formats an array of schema validation errors. + * @param {Array} errors An array of error messages to format. + * @returns {string} Formatted error message + */ + formatErrors(errors) { + return errors.map(error => { + if (error.keyword === "additionalProperties") { + const formattedPropertyPath = error.dataPath.length ? `${error.dataPath.slice(1)}.${error.params.additionalProperty}` : error.params.additionalProperty; + + return `Unexpected top-level property "${formattedPropertyPath}"`; + } + if (error.keyword === "type") { + const formattedField = error.dataPath.slice(1); + const formattedExpectedType = Array.isArray(error.schema) ? error.schema.join("/") : error.schema; + const formattedValue = JSON.stringify(error.data); + + return `Property "${formattedField}" is the wrong type (expected ${formattedExpectedType} but got \`${formattedValue}\`)`; + } + + const field = error.dataPath[0] === "." ? error.dataPath.slice(1) : error.dataPath; + + return `"${field}" ${error.message}. Value: ${JSON.stringify(error.data)}`; + }).map(message => `\t- ${message}.\n`).join(""); + } + + /** + * Validates the top level properties of the config object. + * @param {Object} config The config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @returns {void} + * @throws {Error} If the config is invalid. + */ + validateConfigSchema(config, source = null) { + validateSchema = validateSchema || ajv.compile(configSchema); + + if (!validateSchema(config)) { + throw new Error(`ESLint configuration in ${source} is invalid:\n${this.formatErrors(validateSchema.errors)}`); + } + + if (Object.hasOwn(config, "ecmaFeatures")) { + emitDeprecationWarning(source, "ESLINT_LEGACY_ECMAFEATURES"); + } + } + + /** + * Validates an entire config object. + * @param {Object} config The config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @param {(ruleId:string) => Object} [getAdditionalRule] A map from strings to loaded rules. + * @param {(envId:string) => Object} [getAdditionalEnv] A map from strings to loaded envs. + * @returns {void} + */ + validate(config, source, getAdditionalRule, getAdditionalEnv) { + this.validateConfigSchema(config, source); + this.validateRules(config.rules, source, getAdditionalRule); + this.validateEnvironment(config.env, source, getAdditionalEnv); + this.validateGlobals(config.globals, source); + + for (const override of config.overrides || []) { + this.validateRules(override.rules, source, getAdditionalRule); + this.validateEnvironment(override.env, source, getAdditionalEnv); + this.validateGlobals(config.globals, source); + } + } + + /** + * Validate config array object. + * @param {ConfigArray} configArray The config array to validate. + * @returns {void} + */ + validateConfigArray(configArray) { + const getPluginEnv = Map.prototype.get.bind(configArray.pluginEnvironments); + const getPluginProcessor = Map.prototype.get.bind(configArray.pluginProcessors); + const getPluginRule = Map.prototype.get.bind(configArray.pluginRules); + + // Validate. + for (const element of configArray) { + if (validated.has(element)) { + continue; + } + validated.add(element); + + this.validateEnvironment(element.env, element.name, getPluginEnv); + this.validateGlobals(element.globals, element.name); + this.validateProcessor(element.processor, element.name, getPluginProcessor); + this.validateRules(element.rules, element.name, getPluginRule); + } + } + +} + +/** + * @fileoverview Common helpers for naming of plugins, formatters and configs + */ + +const NAMESPACE_REGEX = /^@.*\//iu; + +/** + * Brings package name to correct format based on prefix + * @param {string} name The name of the package. + * @param {string} prefix Can be either "eslint-plugin", "eslint-config" or "eslint-formatter" + * @returns {string} Normalized name of the package + * @private + */ +function normalizePackageName(name, prefix) { + let normalizedName = name; + + /** + * On Windows, name can come in with Windows slashes instead of Unix slashes. + * Normalize to Unix first to avoid errors later on. + * https://github.com/eslint/eslint/issues/5644 + */ + if (normalizedName.includes("\\")) { + normalizedName = normalizedName.replace(/\\/gu, "/"); + } + + if (normalizedName.charAt(0) === "@") { + + /** + * it's a scoped package + * package name is the prefix, or just a username + */ + const scopedPackageShortcutRegex = new RegExp(`^(@[^/]+)(?:/(?:${prefix})?)?$`, "u"), + scopedPackageNameRegex = new RegExp(`^${prefix}(-|$)`, "u"); + + if (scopedPackageShortcutRegex.test(normalizedName)) { + normalizedName = normalizedName.replace(scopedPackageShortcutRegex, `$1/${prefix}`); + } else if (!scopedPackageNameRegex.test(normalizedName.split("/")[1])) { + + /** + * for scoped packages, insert the prefix after the first / unless + * the path is already @scope/eslint or @scope/eslint-xxx-yyy + */ + normalizedName = normalizedName.replace(/^@([^/]+)\/(.*)$/u, `@$1/${prefix}-$2`); + } + } else if (!normalizedName.startsWith(`${prefix}-`)) { + normalizedName = `${prefix}-${normalizedName}`; + } + + return normalizedName; +} + +/** + * Removes the prefix from a fullname. + * @param {string} fullname The term which may have the prefix. + * @param {string} prefix The prefix to remove. + * @returns {string} The term without prefix. + */ +function getShorthandName(fullname, prefix) { + if (fullname[0] === "@") { + let matchResult = new RegExp(`^(@[^/]+)/${prefix}$`, "u").exec(fullname); + + if (matchResult) { + return matchResult[1]; + } + + matchResult = new RegExp(`^(@[^/]+)/${prefix}-(.+)$`, "u").exec(fullname); + if (matchResult) { + return `${matchResult[1]}/${matchResult[2]}`; + } + } else if (fullname.startsWith(`${prefix}-`)) { + return fullname.slice(prefix.length + 1); + } + + return fullname; +} + +/** + * Gets the scope (namespace) of a term. + * @param {string} term The term which may have the namespace. + * @returns {string} The namespace of the term if it has one. + */ +function getNamespaceFromTerm(term) { + const match = term.match(NAMESPACE_REGEX); + + return match ? match[0] : ""; +} + +var naming = { + __proto__: null, + normalizePackageName: normalizePackageName, + getShorthandName: getShorthandName, + getNamespaceFromTerm: getNamespaceFromTerm +}; + +/** + * @fileoverview Package exports for @eslint/eslintrc + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +const Legacy = { + environments, + + // shared + ConfigOps, + ConfigValidator, + naming +}; + +exports.Legacy = Legacy; +//# sourceMappingURL=eslintrc-universal.cjs.map diff --git a/module/node_modules/@eslint/eslintrc/dist/eslintrc-universal.cjs.map b/module/node_modules/@eslint/eslintrc/dist/eslintrc-universal.cjs.map new file mode 100644 index 000000000..884290535 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/dist/eslintrc-universal.cjs.map @@ -0,0 +1 @@ +{"version":3,"file":"eslintrc-universal.cjs","sources":["../lib/shared/config-ops.js","../lib/shared/deprecation-warnings.js","../lib/shared/ajv.js","../lib/shared/deep-merge-arrays.js","../conf/config-schema.js","../conf/environments.js","../lib/shared/config-validator.js","../lib/shared/naming.js","../lib/index-universal.js"],"sourcesContent":["/**\n * @fileoverview Config file operations. This file must be usable in the browser,\n * so no Node-specific code can be here.\n * @author Nicholas C. Zakas\n */\n\n//------------------------------------------------------------------------------\n// Private\n//------------------------------------------------------------------------------\n\nconst RULE_SEVERITY_STRINGS = [\"off\", \"warn\", \"error\"],\n RULE_SEVERITY = RULE_SEVERITY_STRINGS.reduce((map, value, index) => {\n map[value] = index;\n return map;\n }, {}),\n VALID_SEVERITIES = new Set([0, 1, 2, \"off\", \"warn\", \"error\"]);\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\n/**\n * Normalizes the severity value of a rule's configuration to a number\n * @param {(number|string|[number, ...*]|[string, ...*])} ruleConfig A rule's configuration value, generally\n * received from the user. A valid config value is either 0, 1, 2, the string \"off\" (treated the same as 0),\n * the string \"warn\" (treated the same as 1), the string \"error\" (treated the same as 2), or an array\n * whose first element is one of the above values. Strings are matched case-insensitively.\n * @returns {(0|1|2)} The numeric severity value if the config value was valid, otherwise 0.\n */\nfunction getRuleSeverity(ruleConfig) {\n const severityValue = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig;\n\n if (severityValue === 0 || severityValue === 1 || severityValue === 2) {\n return severityValue;\n }\n\n if (typeof severityValue === \"string\") {\n return RULE_SEVERITY[severityValue.toLowerCase()] || 0;\n }\n\n return 0;\n}\n\n/**\n * Converts old-style severity settings (0, 1, 2) into new-style\n * severity settings (off, warn, error) for all rules. Assumption is that severity\n * values have already been validated as correct.\n * @param {Object} config The config object to normalize.\n * @returns {void}\n */\nfunction normalizeToStrings(config) {\n\n if (config.rules) {\n Object.keys(config.rules).forEach(ruleId => {\n const ruleConfig = config.rules[ruleId];\n\n if (typeof ruleConfig === \"number\") {\n config.rules[ruleId] = RULE_SEVERITY_STRINGS[ruleConfig] || RULE_SEVERITY_STRINGS[0];\n } else if (Array.isArray(ruleConfig) && typeof ruleConfig[0] === \"number\") {\n ruleConfig[0] = RULE_SEVERITY_STRINGS[ruleConfig[0]] || RULE_SEVERITY_STRINGS[0];\n }\n });\n }\n}\n\n/**\n * Determines if the severity for the given rule configuration represents an error.\n * @param {int|string|Array} ruleConfig The configuration for an individual rule.\n * @returns {boolean} True if the rule represents an error, false if not.\n */\nfunction isErrorSeverity(ruleConfig) {\n return getRuleSeverity(ruleConfig) === 2;\n}\n\n/**\n * Checks whether a given config has valid severity or not.\n * @param {number|string|Array} ruleConfig The configuration for an individual rule.\n * @returns {boolean} `true` if the configuration has valid severity.\n */\nfunction isValidSeverity(ruleConfig) {\n let severity = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig;\n\n if (typeof severity === \"string\") {\n severity = severity.toLowerCase();\n }\n return VALID_SEVERITIES.has(severity);\n}\n\n/**\n * Checks whether every rule of a given config has valid severity or not.\n * @param {Object} config The configuration for rules.\n * @returns {boolean} `true` if the configuration has valid severity.\n */\nfunction isEverySeverityValid(config) {\n return Object.keys(config).every(ruleId => isValidSeverity(config[ruleId]));\n}\n\n/**\n * Normalizes a value for a global in a config\n * @param {(boolean|string|null)} configuredValue The value given for a global in configuration or in\n * a global directive comment\n * @returns {(\"readable\"|\"writeable\"|\"off\")} The value normalized as a string\n * @throws Error if global value is invalid\n */\nfunction normalizeConfigGlobal(configuredValue) {\n switch (configuredValue) {\n case \"off\":\n return \"off\";\n\n case true:\n case \"true\":\n case \"writeable\":\n case \"writable\":\n return \"writable\";\n\n case null:\n case false:\n case \"false\":\n case \"readable\":\n case \"readonly\":\n return \"readonly\";\n\n default:\n throw new Error(`'${configuredValue}' is not a valid configuration for a global (use 'readonly', 'writable', or 'off')`);\n }\n}\n\nexport {\n getRuleSeverity,\n normalizeToStrings,\n isErrorSeverity,\n isValidSeverity,\n isEverySeverityValid,\n normalizeConfigGlobal\n};\n","/**\n * @fileoverview Provide the function that emits deprecation warnings.\n * @author Toru Nagashima \n */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport path from \"node:path\";\n\n//------------------------------------------------------------------------------\n// Private\n//------------------------------------------------------------------------------\n\n// Defitions for deprecation warnings.\nconst deprecationWarningMessages = {\n ESLINT_LEGACY_ECMAFEATURES:\n \"The 'ecmaFeatures' config file property is deprecated and has no effect.\",\n ESLINT_PERSONAL_CONFIG_LOAD:\n \"'~/.eslintrc.*' config files have been deprecated. \" +\n \"Please use a config file per project or the '--config' option.\",\n ESLINT_PERSONAL_CONFIG_SUPPRESS:\n \"'~/.eslintrc.*' config files have been deprecated. \" +\n \"Please remove it or add 'root:true' to the config files in your \" +\n \"projects in order to avoid loading '~/.eslintrc.*' accidentally.\"\n};\n\nconst sourceFileErrorCache = new Set();\n\n/**\n * Emits a deprecation warning containing a given filepath. A new deprecation warning is emitted\n * for each unique file path, but repeated invocations with the same file path have no effect.\n * No warnings are emitted if the `--no-deprecation` or `--no-warnings` Node runtime flags are active.\n * @param {string} source The name of the configuration source to report the warning for.\n * @param {string} errorCode The warning message to show.\n * @returns {void}\n */\nfunction emitDeprecationWarning(source, errorCode) {\n const cacheKey = JSON.stringify({ source, errorCode });\n\n if (sourceFileErrorCache.has(cacheKey)) {\n return;\n }\n sourceFileErrorCache.add(cacheKey);\n\n const rel = path.relative(process.cwd(), source);\n const message = deprecationWarningMessages[errorCode];\n\n process.emitWarning(\n `${message} (found in \"${rel}\")`,\n \"DeprecationWarning\",\n errorCode\n );\n}\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\nexport {\n emitDeprecationWarning\n};\n","/**\n * @fileoverview The instance of Ajv validator.\n * @author Evgeny Poberezkin\n */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport Ajv from \"ajv\";\n\n//-----------------------------------------------------------------------------\n// Helpers\n//-----------------------------------------------------------------------------\n\n/*\n * Copied from ajv/lib/refs/json-schema-draft-04.json\n * The MIT License (MIT)\n * Copyright (c) 2015-2017 Evgeny Poberezkin\n */\nconst metaSchema = {\n id: \"http://json-schema.org/draft-04/schema#\",\n $schema: \"http://json-schema.org/draft-04/schema#\",\n description: \"Core schema meta-schema\",\n definitions: {\n schemaArray: {\n type: \"array\",\n minItems: 1,\n items: { $ref: \"#\" }\n },\n positiveInteger: {\n type: \"integer\",\n minimum: 0\n },\n positiveIntegerDefault0: {\n allOf: [{ $ref: \"#/definitions/positiveInteger\" }, { default: 0 }]\n },\n simpleTypes: {\n enum: [\"array\", \"boolean\", \"integer\", \"null\", \"number\", \"object\", \"string\"]\n },\n stringArray: {\n type: \"array\",\n items: { type: \"string\" },\n minItems: 1,\n uniqueItems: true\n }\n },\n type: \"object\",\n properties: {\n id: {\n type: \"string\"\n },\n $schema: {\n type: \"string\"\n },\n title: {\n type: \"string\"\n },\n description: {\n type: \"string\"\n },\n default: { },\n multipleOf: {\n type: \"number\",\n minimum: 0,\n exclusiveMinimum: true\n },\n maximum: {\n type: \"number\"\n },\n exclusiveMaximum: {\n type: \"boolean\",\n default: false\n },\n minimum: {\n type: \"number\"\n },\n exclusiveMinimum: {\n type: \"boolean\",\n default: false\n },\n maxLength: { $ref: \"#/definitions/positiveInteger\" },\n minLength: { $ref: \"#/definitions/positiveIntegerDefault0\" },\n pattern: {\n type: \"string\",\n format: \"regex\"\n },\n additionalItems: {\n anyOf: [\n { type: \"boolean\" },\n { $ref: \"#\" }\n ],\n default: { }\n },\n items: {\n anyOf: [\n { $ref: \"#\" },\n { $ref: \"#/definitions/schemaArray\" }\n ],\n default: { }\n },\n maxItems: { $ref: \"#/definitions/positiveInteger\" },\n minItems: { $ref: \"#/definitions/positiveIntegerDefault0\" },\n uniqueItems: {\n type: \"boolean\",\n default: false\n },\n maxProperties: { $ref: \"#/definitions/positiveInteger\" },\n minProperties: { $ref: \"#/definitions/positiveIntegerDefault0\" },\n required: { $ref: \"#/definitions/stringArray\" },\n additionalProperties: {\n anyOf: [\n { type: \"boolean\" },\n { $ref: \"#\" }\n ],\n default: { }\n },\n definitions: {\n type: \"object\",\n additionalProperties: { $ref: \"#\" },\n default: { }\n },\n properties: {\n type: \"object\",\n additionalProperties: { $ref: \"#\" },\n default: { }\n },\n patternProperties: {\n type: \"object\",\n additionalProperties: { $ref: \"#\" },\n default: { }\n },\n dependencies: {\n type: \"object\",\n additionalProperties: {\n anyOf: [\n { $ref: \"#\" },\n { $ref: \"#/definitions/stringArray\" }\n ]\n }\n },\n enum: {\n type: \"array\",\n minItems: 1,\n uniqueItems: true\n },\n type: {\n anyOf: [\n { $ref: \"#/definitions/simpleTypes\" },\n {\n type: \"array\",\n items: { $ref: \"#/definitions/simpleTypes\" },\n minItems: 1,\n uniqueItems: true\n }\n ]\n },\n format: { type: \"string\" },\n allOf: { $ref: \"#/definitions/schemaArray\" },\n anyOf: { $ref: \"#/definitions/schemaArray\" },\n oneOf: { $ref: \"#/definitions/schemaArray\" },\n not: { $ref: \"#\" }\n },\n dependencies: {\n exclusiveMaximum: [\"maximum\"],\n exclusiveMinimum: [\"minimum\"]\n },\n default: { }\n};\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\nexport default (additionalOptions = {}) => {\n const ajv = new Ajv({\n meta: false,\n useDefaults: true,\n validateSchema: false,\n missingRefs: \"ignore\",\n verbose: true,\n schemaId: \"auto\",\n ...additionalOptions\n });\n\n ajv.addMetaSchema(metaSchema);\n // eslint-disable-next-line no-underscore-dangle -- part of the API\n ajv._opts.defaultMeta = metaSchema.id;\n\n return ajv;\n};\n","/**\n * @fileoverview Applies default rule options\n * @author JoshuaKGoldberg\n */\n\n/**\n * Check if the variable contains an object strictly rejecting arrays\n * @param {unknown} value an object\n * @returns {boolean} Whether value is an object\n */\nfunction isObjectNotArray(value) {\n return typeof value === \"object\" && value !== null && !Array.isArray(value);\n}\n\n/**\n * Deeply merges second on top of first, creating a new {} object if needed.\n * @param {T} first Base, default value.\n * @param {U} second User-specified value.\n * @returns {T | U | (T & U)} Merged equivalent of second on top of first.\n */\nfunction deepMergeObjects(first, second) {\n if (second === void 0) {\n return first;\n }\n\n if (!isObjectNotArray(first) || !isObjectNotArray(second)) {\n return second;\n }\n\n const result = { ...first, ...second };\n\n for (const key of Object.keys(second)) {\n if (Object.prototype.propertyIsEnumerable.call(first, key)) {\n result[key] = deepMergeObjects(first[key], second[key]);\n }\n }\n\n return result;\n}\n\n/**\n * Deeply merges second on top of first, creating a new [] array if needed.\n * @param {T[] | undefined} first Base, default values.\n * @param {U[] | undefined} second User-specified values.\n * @returns {(T | U | (T & U))[]} Merged equivalent of second on top of first.\n */\nfunction deepMergeArrays(first, second) {\n if (!first || !second) {\n return second || first || [];\n }\n\n return [\n ...first.map((value, i) => deepMergeObjects(value, second[i])),\n ...second.slice(first.length)\n ];\n}\n\nexport { deepMergeArrays };\n","/**\n * @fileoverview Defines a schema for configs.\n * @author Sylvan Mably\n */\n\nconst baseConfigProperties = {\n $schema: { type: \"string\" },\n env: { type: \"object\" },\n extends: { $ref: \"#/definitions/stringOrStrings\" },\n globals: { type: \"object\" },\n overrides: {\n type: \"array\",\n items: { $ref: \"#/definitions/overrideConfig\" },\n additionalItems: false\n },\n parser: { type: [\"string\", \"null\"] },\n parserOptions: { type: \"object\" },\n plugins: { type: \"array\" },\n processor: { type: \"string\" },\n rules: { type: \"object\" },\n settings: { type: \"object\" },\n noInlineConfig: { type: \"boolean\" },\n reportUnusedDisableDirectives: { type: \"boolean\" },\n\n ecmaFeatures: { type: \"object\" } // deprecated; logs a warning when used\n};\n\nconst configSchema = {\n definitions: {\n stringOrStrings: {\n oneOf: [\n { type: \"string\" },\n {\n type: \"array\",\n items: { type: \"string\" },\n additionalItems: false\n }\n ]\n },\n stringOrStringsRequired: {\n oneOf: [\n { type: \"string\" },\n {\n type: \"array\",\n items: { type: \"string\" },\n additionalItems: false,\n minItems: 1\n }\n ]\n },\n\n // Config at top-level.\n objectConfig: {\n type: \"object\",\n properties: {\n root: { type: \"boolean\" },\n ignorePatterns: { $ref: \"#/definitions/stringOrStrings\" },\n ...baseConfigProperties\n },\n additionalProperties: false\n },\n\n // Config in `overrides`.\n overrideConfig: {\n type: \"object\",\n properties: {\n excludedFiles: { $ref: \"#/definitions/stringOrStrings\" },\n files: { $ref: \"#/definitions/stringOrStringsRequired\" },\n ...baseConfigProperties\n },\n required: [\"files\"],\n additionalProperties: false\n }\n },\n\n $ref: \"#/definitions/objectConfig\"\n};\n\nexport default configSchema;\n","/**\n * @fileoverview Defines environment settings and globals.\n * @author Elan Shanker\n */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport globals from \"globals\";\n\n//------------------------------------------------------------------------------\n// Helpers\n//------------------------------------------------------------------------------\n\n/**\n * Get the object that has difference.\n * @param {Record} current The newer object.\n * @param {Record} prev The older object.\n * @returns {Record} The difference object.\n */\nfunction getDiff(current, prev) {\n const retv = {};\n\n for (const [key, value] of Object.entries(current)) {\n if (!Object.hasOwn(prev, key)) {\n retv[key] = value;\n }\n }\n\n return retv;\n}\n\nconst newGlobals2015 = getDiff(globals.es2015, globals.es5); // 19 variables such as Promise, Map, ...\nconst newGlobals2017 = {\n Atomics: false,\n SharedArrayBuffer: false\n};\nconst newGlobals2020 = {\n BigInt: false,\n BigInt64Array: false,\n BigUint64Array: false,\n globalThis: false\n};\n\nconst newGlobals2021 = {\n AggregateError: false,\n FinalizationRegistry: false,\n WeakRef: false\n};\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\n/** @type {Map} */\nexport default new Map(Object.entries({\n\n // Language\n builtin: {\n globals: globals.es5\n },\n es6: {\n globals: newGlobals2015,\n parserOptions: {\n ecmaVersion: 6\n }\n },\n es2015: {\n globals: newGlobals2015,\n parserOptions: {\n ecmaVersion: 6\n }\n },\n es2016: {\n globals: newGlobals2015,\n parserOptions: {\n ecmaVersion: 7\n }\n },\n es2017: {\n globals: { ...newGlobals2015, ...newGlobals2017 },\n parserOptions: {\n ecmaVersion: 8\n }\n },\n es2018: {\n globals: { ...newGlobals2015, ...newGlobals2017 },\n parserOptions: {\n ecmaVersion: 9\n }\n },\n es2019: {\n globals: { ...newGlobals2015, ...newGlobals2017 },\n parserOptions: {\n ecmaVersion: 10\n }\n },\n es2020: {\n globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020 },\n parserOptions: {\n ecmaVersion: 11\n }\n },\n es2021: {\n globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 },\n parserOptions: {\n ecmaVersion: 12\n }\n },\n es2022: {\n globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 },\n parserOptions: {\n ecmaVersion: 13\n }\n },\n es2023: {\n globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 },\n parserOptions: {\n ecmaVersion: 14\n }\n },\n es2024: {\n globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 },\n parserOptions: {\n ecmaVersion: 15\n }\n },\n\n // Platforms\n browser: {\n globals: globals.browser\n },\n node: {\n globals: globals.node,\n parserOptions: {\n ecmaFeatures: {\n globalReturn: true\n }\n }\n },\n \"shared-node-browser\": {\n globals: globals[\"shared-node-browser\"]\n },\n worker: {\n globals: globals.worker\n },\n serviceworker: {\n globals: globals.serviceworker\n },\n\n // Frameworks\n commonjs: {\n globals: globals.commonjs,\n parserOptions: {\n ecmaFeatures: {\n globalReturn: true\n }\n }\n },\n amd: {\n globals: globals.amd\n },\n mocha: {\n globals: globals.mocha\n },\n jasmine: {\n globals: globals.jasmine\n },\n jest: {\n globals: globals.jest\n },\n phantomjs: {\n globals: globals.phantomjs\n },\n jquery: {\n globals: globals.jquery\n },\n qunit: {\n globals: globals.qunit\n },\n prototypejs: {\n globals: globals.prototypejs\n },\n shelljs: {\n globals: globals.shelljs\n },\n meteor: {\n globals: globals.meteor\n },\n mongo: {\n globals: globals.mongo\n },\n protractor: {\n globals: globals.protractor\n },\n applescript: {\n globals: globals.applescript\n },\n nashorn: {\n globals: globals.nashorn\n },\n atomtest: {\n globals: globals.atomtest\n },\n embertest: {\n globals: globals.embertest\n },\n webextensions: {\n globals: globals.webextensions\n },\n greasemonkey: {\n globals: globals.greasemonkey\n }\n}));\n","/**\n * @fileoverview Validates configs.\n * @author Brandon Mills\n */\n\n/* eslint class-methods-use-this: \"off\" -- not needed in this file */\n\n//------------------------------------------------------------------------------\n// Typedefs\n//------------------------------------------------------------------------------\n\n/** @typedef {import(\"../shared/types\").Rule} Rule */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport util from \"node:util\";\nimport * as ConfigOps from \"./config-ops.js\";\nimport { emitDeprecationWarning } from \"./deprecation-warnings.js\";\nimport ajvOrig from \"./ajv.js\";\nimport { deepMergeArrays } from \"./deep-merge-arrays.js\";\nimport configSchema from \"../../conf/config-schema.js\";\nimport BuiltInEnvironments from \"../../conf/environments.js\";\n\nconst ajv = ajvOrig();\n\nconst ruleValidators = new WeakMap();\nconst noop = Function.prototype;\n\n//------------------------------------------------------------------------------\n// Private\n//------------------------------------------------------------------------------\nlet validateSchema;\nconst severityMap = {\n error: 2,\n warn: 1,\n off: 0\n};\n\nconst validated = new WeakSet();\n\n// JSON schema that disallows passing any options\nconst noOptionsSchema = Object.freeze({\n type: \"array\",\n minItems: 0,\n maxItems: 0\n});\n\n//-----------------------------------------------------------------------------\n// Exports\n//-----------------------------------------------------------------------------\n\n/**\n * Validator for configuration objects.\n */\nexport default class ConfigValidator {\n constructor({ builtInRules = new Map() } = {}) {\n this.builtInRules = builtInRules;\n }\n\n /**\n * Gets a complete options schema for a rule.\n * @param {Rule} rule A rule object\n * @throws {TypeError} If `meta.schema` is specified but is not an array, object or `false`.\n * @returns {Object|null} JSON Schema for the rule's options.\n * `null` if rule wasn't passed or its `meta.schema` is `false`.\n */\n getRuleOptionsSchema(rule) {\n if (!rule) {\n return null;\n }\n\n if (!rule.meta) {\n return { ...noOptionsSchema }; // default if `meta.schema` is not specified\n }\n\n const schema = rule.meta.schema;\n\n if (typeof schema === \"undefined\") {\n return { ...noOptionsSchema }; // default if `meta.schema` is not specified\n }\n\n // `schema:false` is an allowed explicit opt-out of options validation for the rule\n if (schema === false) {\n return null;\n }\n\n if (typeof schema !== \"object\" || schema === null) {\n throw new TypeError(\"Rule's `meta.schema` must be an array or object\");\n }\n\n // ESLint-specific array form needs to be converted into a valid JSON Schema definition\n if (Array.isArray(schema)) {\n if (schema.length) {\n return {\n type: \"array\",\n items: schema,\n minItems: 0,\n maxItems: schema.length\n };\n }\n\n // `schema:[]` is an explicit way to specify that the rule does not accept any options\n return { ...noOptionsSchema };\n }\n\n // `schema:` is assumed to be a valid JSON Schema definition\n return schema;\n }\n\n /**\n * Validates a rule's severity and returns the severity value. Throws an error if the severity is invalid.\n * @param {options} options The given options for the rule.\n * @returns {number|string} The rule's severity value\n * @throws {Error} If the severity is invalid.\n */\n validateRuleSeverity(options) {\n const severity = Array.isArray(options) ? options[0] : options;\n const normSeverity = typeof severity === \"string\" ? severityMap[severity.toLowerCase()] : severity;\n\n if (normSeverity === 0 || normSeverity === 1 || normSeverity === 2) {\n return normSeverity;\n }\n\n throw new Error(`\\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '${util.inspect(severity).replace(/'/gu, \"\\\"\").replace(/\\n/gu, \"\")}').\\n`);\n\n }\n\n /**\n * Validates the non-severity options passed to a rule, based on its schema.\n * @param {{create: Function}} rule The rule to validate\n * @param {Array} localOptions The options for the rule, excluding severity\n * @returns {void}\n * @throws {Error} If the options are invalid.\n */\n validateRuleSchema(rule, localOptions) {\n if (!ruleValidators.has(rule)) {\n try {\n const schema = this.getRuleOptionsSchema(rule);\n\n if (schema) {\n ruleValidators.set(rule, ajv.compile(schema));\n }\n } catch (err) {\n const errorWithCode = new Error(err.message, { cause: err });\n\n errorWithCode.code = \"ESLINT_INVALID_RULE_OPTIONS_SCHEMA\";\n\n throw errorWithCode;\n }\n }\n\n const validateRule = ruleValidators.get(rule);\n\n if (validateRule) {\n const mergedOptions = deepMergeArrays(rule.meta?.defaultOptions, localOptions);\n\n validateRule(mergedOptions);\n\n if (validateRule.errors) {\n throw new Error(validateRule.errors.map(\n error => `\\tValue ${JSON.stringify(error.data)} ${error.message}.\\n`\n ).join(\"\"));\n }\n }\n }\n\n /**\n * Validates a rule's options against its schema.\n * @param {{create: Function}|null} rule The rule that the config is being validated for\n * @param {string} ruleId The rule's unique name.\n * @param {Array|number} options The given options for the rule.\n * @param {string|null} source The name of the configuration source to report in any errors. If null or undefined,\n * no source is prepended to the message.\n * @returns {void}\n * @throws {Error} If the options are invalid.\n */\n validateRuleOptions(rule, ruleId, options, source = null) {\n try {\n const severity = this.validateRuleSeverity(options);\n\n if (severity !== 0) {\n this.validateRuleSchema(rule, Array.isArray(options) ? options.slice(1) : []);\n }\n } catch (err) {\n let enhancedMessage = err.code === \"ESLINT_INVALID_RULE_OPTIONS_SCHEMA\"\n ? `Error while processing options validation schema of rule '${ruleId}': ${err.message}`\n : `Configuration for rule \"${ruleId}\" is invalid:\\n${err.message}`;\n\n if (typeof source === \"string\") {\n enhancedMessage = `${source}:\\n\\t${enhancedMessage}`;\n }\n\n const enhancedError = new Error(enhancedMessage, { cause: err });\n\n if (err.code) {\n enhancedError.code = err.code;\n }\n\n throw enhancedError;\n }\n }\n\n /**\n * Validates an environment object\n * @param {Object} environment The environment config object to validate.\n * @param {string} source The name of the configuration source to report in any errors.\n * @param {(envId:string) => Object} [getAdditionalEnv] A map from strings to loaded environments.\n * @returns {void}\n * @throws {Error} If the environment is invalid.\n */\n validateEnvironment(\n environment,\n source,\n getAdditionalEnv = noop\n ) {\n\n // not having an environment is ok\n if (!environment) {\n return;\n }\n\n Object.keys(environment).forEach(id => {\n const env = getAdditionalEnv(id) || BuiltInEnvironments.get(id) || null;\n\n if (!env) {\n const message = `${source}:\\n\\tEnvironment key \"${id}\" is unknown\\n`;\n\n throw new Error(message);\n }\n });\n }\n\n /**\n * Validates a rules config object\n * @param {Object} rulesConfig The rules config object to validate.\n * @param {string} source The name of the configuration source to report in any errors.\n * @param {(ruleId:string) => Object} getAdditionalRule A map from strings to loaded rules\n * @returns {void}\n */\n validateRules(\n rulesConfig,\n source,\n getAdditionalRule = noop\n ) {\n if (!rulesConfig) {\n return;\n }\n\n Object.keys(rulesConfig).forEach(id => {\n const rule = getAdditionalRule(id) || this.builtInRules.get(id) || null;\n\n this.validateRuleOptions(rule, id, rulesConfig[id], source);\n });\n }\n\n /**\n * Validates a `globals` section of a config file\n * @param {Object} globalsConfig The `globals` section\n * @param {string|null} source The name of the configuration source to report in the event of an error.\n * @returns {void}\n */\n validateGlobals(globalsConfig, source = null) {\n if (!globalsConfig) {\n return;\n }\n\n Object.entries(globalsConfig)\n .forEach(([configuredGlobal, configuredValue]) => {\n try {\n ConfigOps.normalizeConfigGlobal(configuredValue);\n } catch (err) {\n throw new Error(`ESLint configuration of global '${configuredGlobal}' in ${source} is invalid:\\n${err.message}`);\n }\n });\n }\n\n /**\n * Validate `processor` configuration.\n * @param {string|undefined} processorName The processor name.\n * @param {string} source The name of config file.\n * @param {(id:string) => Processor} getProcessor The getter of defined processors.\n * @returns {void}\n * @throws {Error} If the processor is invalid.\n */\n validateProcessor(processorName, source, getProcessor) {\n if (processorName && !getProcessor(processorName)) {\n throw new Error(`ESLint configuration of processor in '${source}' is invalid: '${processorName}' was not found.`);\n }\n }\n\n /**\n * Formats an array of schema validation errors.\n * @param {Array} errors An array of error messages to format.\n * @returns {string} Formatted error message\n */\n formatErrors(errors) {\n return errors.map(error => {\n if (error.keyword === \"additionalProperties\") {\n const formattedPropertyPath = error.dataPath.length ? `${error.dataPath.slice(1)}.${error.params.additionalProperty}` : error.params.additionalProperty;\n\n return `Unexpected top-level property \"${formattedPropertyPath}\"`;\n }\n if (error.keyword === \"type\") {\n const formattedField = error.dataPath.slice(1);\n const formattedExpectedType = Array.isArray(error.schema) ? error.schema.join(\"/\") : error.schema;\n const formattedValue = JSON.stringify(error.data);\n\n return `Property \"${formattedField}\" is the wrong type (expected ${formattedExpectedType} but got \\`${formattedValue}\\`)`;\n }\n\n const field = error.dataPath[0] === \".\" ? error.dataPath.slice(1) : error.dataPath;\n\n return `\"${field}\" ${error.message}. Value: ${JSON.stringify(error.data)}`;\n }).map(message => `\\t- ${message}.\\n`).join(\"\");\n }\n\n /**\n * Validates the top level properties of the config object.\n * @param {Object} config The config object to validate.\n * @param {string} source The name of the configuration source to report in any errors.\n * @returns {void}\n * @throws {Error} If the config is invalid.\n */\n validateConfigSchema(config, source = null) {\n validateSchema = validateSchema || ajv.compile(configSchema);\n\n if (!validateSchema(config)) {\n throw new Error(`ESLint configuration in ${source} is invalid:\\n${this.formatErrors(validateSchema.errors)}`);\n }\n\n if (Object.hasOwn(config, \"ecmaFeatures\")) {\n emitDeprecationWarning(source, \"ESLINT_LEGACY_ECMAFEATURES\");\n }\n }\n\n /**\n * Validates an entire config object.\n * @param {Object} config The config object to validate.\n * @param {string} source The name of the configuration source to report in any errors.\n * @param {(ruleId:string) => Object} [getAdditionalRule] A map from strings to loaded rules.\n * @param {(envId:string) => Object} [getAdditionalEnv] A map from strings to loaded envs.\n * @returns {void}\n */\n validate(config, source, getAdditionalRule, getAdditionalEnv) {\n this.validateConfigSchema(config, source);\n this.validateRules(config.rules, source, getAdditionalRule);\n this.validateEnvironment(config.env, source, getAdditionalEnv);\n this.validateGlobals(config.globals, source);\n\n for (const override of config.overrides || []) {\n this.validateRules(override.rules, source, getAdditionalRule);\n this.validateEnvironment(override.env, source, getAdditionalEnv);\n this.validateGlobals(config.globals, source);\n }\n }\n\n /**\n * Validate config array object.\n * @param {ConfigArray} configArray The config array to validate.\n * @returns {void}\n */\n validateConfigArray(configArray) {\n const getPluginEnv = Map.prototype.get.bind(configArray.pluginEnvironments);\n const getPluginProcessor = Map.prototype.get.bind(configArray.pluginProcessors);\n const getPluginRule = Map.prototype.get.bind(configArray.pluginRules);\n\n // Validate.\n for (const element of configArray) {\n if (validated.has(element)) {\n continue;\n }\n validated.add(element);\n\n this.validateEnvironment(element.env, element.name, getPluginEnv);\n this.validateGlobals(element.globals, element.name);\n this.validateProcessor(element.processor, element.name, getPluginProcessor);\n this.validateRules(element.rules, element.name, getPluginRule);\n }\n }\n\n}\n","/**\n * @fileoverview Common helpers for naming of plugins, formatters and configs\n */\n\nconst NAMESPACE_REGEX = /^@.*\\//iu;\n\n/**\n * Brings package name to correct format based on prefix\n * @param {string} name The name of the package.\n * @param {string} prefix Can be either \"eslint-plugin\", \"eslint-config\" or \"eslint-formatter\"\n * @returns {string} Normalized name of the package\n * @private\n */\nfunction normalizePackageName(name, prefix) {\n let normalizedName = name;\n\n /**\n * On Windows, name can come in with Windows slashes instead of Unix slashes.\n * Normalize to Unix first to avoid errors later on.\n * https://github.com/eslint/eslint/issues/5644\n */\n if (normalizedName.includes(\"\\\\\")) {\n normalizedName = normalizedName.replace(/\\\\/gu, \"/\");\n }\n\n if (normalizedName.charAt(0) === \"@\") {\n\n /**\n * it's a scoped package\n * package name is the prefix, or just a username\n */\n const scopedPackageShortcutRegex = new RegExp(`^(@[^/]+)(?:/(?:${prefix})?)?$`, \"u\"),\n scopedPackageNameRegex = new RegExp(`^${prefix}(-|$)`, \"u\");\n\n if (scopedPackageShortcutRegex.test(normalizedName)) {\n normalizedName = normalizedName.replace(scopedPackageShortcutRegex, `$1/${prefix}`);\n } else if (!scopedPackageNameRegex.test(normalizedName.split(\"/\")[1])) {\n\n /**\n * for scoped packages, insert the prefix after the first / unless\n * the path is already @scope/eslint or @scope/eslint-xxx-yyy\n */\n normalizedName = normalizedName.replace(/^@([^/]+)\\/(.*)$/u, `@$1/${prefix}-$2`);\n }\n } else if (!normalizedName.startsWith(`${prefix}-`)) {\n normalizedName = `${prefix}-${normalizedName}`;\n }\n\n return normalizedName;\n}\n\n/**\n * Removes the prefix from a fullname.\n * @param {string} fullname The term which may have the prefix.\n * @param {string} prefix The prefix to remove.\n * @returns {string} The term without prefix.\n */\nfunction getShorthandName(fullname, prefix) {\n if (fullname[0] === \"@\") {\n let matchResult = new RegExp(`^(@[^/]+)/${prefix}$`, \"u\").exec(fullname);\n\n if (matchResult) {\n return matchResult[1];\n }\n\n matchResult = new RegExp(`^(@[^/]+)/${prefix}-(.+)$`, \"u\").exec(fullname);\n if (matchResult) {\n return `${matchResult[1]}/${matchResult[2]}`;\n }\n } else if (fullname.startsWith(`${prefix}-`)) {\n return fullname.slice(prefix.length + 1);\n }\n\n return fullname;\n}\n\n/**\n * Gets the scope (namespace) of a term.\n * @param {string} term The term which may have the namespace.\n * @returns {string} The namespace of the term if it has one.\n */\nfunction getNamespaceFromTerm(term) {\n const match = term.match(NAMESPACE_REGEX);\n\n return match ? match[0] : \"\";\n}\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\nexport {\n normalizePackageName,\n getShorthandName,\n getNamespaceFromTerm\n};\n","/**\n * @fileoverview Package exports for @eslint/eslintrc\n * @author Nicholas C. Zakas\n */\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport * as ConfigOps from \"./shared/config-ops.js\";\nimport ConfigValidator from \"./shared/config-validator.js\";\nimport * as naming from \"./shared/naming.js\";\nimport environments from \"../conf/environments.js\";\n\n//-----------------------------------------------------------------------------\n// Exports\n//-----------------------------------------------------------------------------\n\nconst Legacy = {\n environments,\n\n // shared\n ConfigOps,\n ConfigValidator,\n naming\n};\n\nexport {\n 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\ No newline at end of file diff --git a/module/node_modules/@eslint/eslintrc/dist/eslintrc.cjs b/module/node_modules/@eslint/eslintrc/dist/eslintrc.cjs new file mode 100644 index 000000000..1b76091f3 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/dist/eslintrc.cjs @@ -0,0 +1,4466 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var debugOrig = require('debug'); +var fs = require('node:fs'); +var importFresh = require('import-fresh'); +var Module = require('node:module'); +var path = require('node:path'); +var stripComments = require('strip-json-comments'); +var assert = require('node:assert'); +var ignore = require('ignore'); +var util = require('node:util'); +var minimatch = require('minimatch'); +var Ajv = require('ajv'); +var globals = require('globals'); +var os = require('node:os'); + +function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; } + +var debugOrig__default = /*#__PURE__*/_interopDefaultLegacy(debugOrig); +var fs__default = /*#__PURE__*/_interopDefaultLegacy(fs); +var importFresh__default = /*#__PURE__*/_interopDefaultLegacy(importFresh); +var Module__default = /*#__PURE__*/_interopDefaultLegacy(Module); +var path__default = /*#__PURE__*/_interopDefaultLegacy(path); +var stripComments__default = /*#__PURE__*/_interopDefaultLegacy(stripComments); +var assert__default = /*#__PURE__*/_interopDefaultLegacy(assert); +var ignore__default = /*#__PURE__*/_interopDefaultLegacy(ignore); +var util__default = /*#__PURE__*/_interopDefaultLegacy(util); +var minimatch__default = /*#__PURE__*/_interopDefaultLegacy(minimatch); +var Ajv__default = /*#__PURE__*/_interopDefaultLegacy(Ajv); +var globals__default = /*#__PURE__*/_interopDefaultLegacy(globals); +var os__default = /*#__PURE__*/_interopDefaultLegacy(os); + +/** + * @fileoverview `IgnorePattern` class. + * + * `IgnorePattern` class has the set of glob patterns and the base path. + * + * It provides two static methods. + * + * - `IgnorePattern.createDefaultIgnore(cwd)` + * Create the default predicate function. + * - `IgnorePattern.createIgnore(ignorePatterns)` + * Create the predicate function from multiple `IgnorePattern` objects. + * + * It provides two properties and a method. + * + * - `patterns` + * The glob patterns that ignore to lint. + * - `basePath` + * The base path of the glob patterns. If absolute paths existed in the + * glob patterns, those are handled as relative paths to the base path. + * - `getPatternsRelativeTo(basePath)` + * Get `patterns` as modified for a given base path. It modifies the + * absolute paths in the patterns as prepending the difference of two base + * paths. + * + * `ConfigArrayFactory` creates `IgnorePattern` objects when it processes + * `ignorePatterns` properties. + * + * @author Toru Nagashima + */ + +const debug$3 = debugOrig__default["default"]("eslintrc:ignore-pattern"); + +/** @typedef {ReturnType} Ignore */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Get the path to the common ancestor directory of given paths. + * @param {string[]} sourcePaths The paths to calculate the common ancestor. + * @returns {string} The path to the common ancestor directory. + */ +function getCommonAncestorPath(sourcePaths) { + let result = sourcePaths[0]; + + for (let i = 1; i < sourcePaths.length; ++i) { + const a = result; + const b = sourcePaths[i]; + + // Set the shorter one (it's the common ancestor if one includes the other). + result = a.length < b.length ? a : b; + + // Set the common ancestor. + for (let j = 0, lastSepPos = 0; j < a.length && j < b.length; ++j) { + if (a[j] !== b[j]) { + result = a.slice(0, lastSepPos); + break; + } + if (a[j] === path__default["default"].sep) { + lastSepPos = j; + } + } + } + + let resolvedResult = result || path__default["default"].sep; + + // if Windows common ancestor is root of drive must have trailing slash to be absolute. + if (resolvedResult && resolvedResult.endsWith(":") && process.platform === "win32") { + resolvedResult += path__default["default"].sep; + } + return resolvedResult; +} + +/** + * Make relative path. + * @param {string} from The source path to get relative path. + * @param {string} to The destination path to get relative path. + * @returns {string} The relative path. + */ +function relative(from, to) { + const relPath = path__default["default"].relative(from, to); + + if (path__default["default"].sep === "/") { + return relPath; + } + return relPath.split(path__default["default"].sep).join("/"); +} + +/** + * Get the trailing slash if existed. + * @param {string} filePath The path to check. + * @returns {string} The trailing slash if existed. + */ +function dirSuffix(filePath) { + const isDir = ( + filePath.endsWith(path__default["default"].sep) || + (process.platform === "win32" && filePath.endsWith("/")) + ); + + return isDir ? "/" : ""; +} + +const DefaultPatterns = Object.freeze(["/**/node_modules/*"]); +const DotPatterns = Object.freeze([".*", "!.eslintrc.*", "!../"]); + +//------------------------------------------------------------------------------ +// Public +//------------------------------------------------------------------------------ + +/** + * Represents a set of glob patterns to ignore against a base path. + */ +class IgnorePattern { + + /** + * The default patterns. + * @type {string[]} + */ + static get DefaultPatterns() { + return DefaultPatterns; + } + + /** + * Create the default predicate function. + * @param {string} cwd The current working directory. + * @returns {((filePath:string, dot:boolean) => boolean) & {basePath:string; patterns:string[]}} + * The preficate function. + * The first argument is an absolute path that is checked. + * The second argument is the flag to not ignore dotfiles. + * If the predicate function returned `true`, it means the path should be ignored. + */ + static createDefaultIgnore(cwd) { + return this.createIgnore([new IgnorePattern(DefaultPatterns, cwd)]); + } + + /** + * Create the predicate function from multiple `IgnorePattern` objects. + * @param {IgnorePattern[]} ignorePatterns The list of ignore patterns. + * @returns {((filePath:string, dot?:boolean) => boolean) & {basePath:string; patterns:string[]}} + * The preficate function. + * The first argument is an absolute path that is checked. + * The second argument is the flag to not ignore dotfiles. + * If the predicate function returned `true`, it means the path should be ignored. + */ + static createIgnore(ignorePatterns) { + debug$3("Create with: %o", ignorePatterns); + + const basePath = getCommonAncestorPath(ignorePatterns.map(p => p.basePath)); + const patterns = ignorePatterns.flatMap(p => p.getPatternsRelativeTo(basePath)); + const ig = ignore__default["default"]({ allowRelativePaths: true }).add([...DotPatterns, ...patterns]); + const dotIg = ignore__default["default"]({ allowRelativePaths: true }).add(patterns); + + debug$3(" processed: %o", { basePath, patterns }); + + return Object.assign( + (filePath, dot = false) => { + assert__default["default"](path__default["default"].isAbsolute(filePath), "'filePath' should be an absolute path."); + const relPathRaw = relative(basePath, filePath); + const relPath = relPathRaw && (relPathRaw + dirSuffix(filePath)); + const adoptedIg = dot ? dotIg : ig; + const result = relPath !== "" && adoptedIg.ignores(relPath); + + debug$3("Check", { filePath, dot, relativePath: relPath, result }); + return result; + }, + { basePath, patterns } + ); + } + + /** + * Initialize a new `IgnorePattern` instance. + * @param {string[]} patterns The glob patterns that ignore to lint. + * @param {string} basePath The base path of `patterns`. + */ + constructor(patterns, basePath) { + assert__default["default"](path__default["default"].isAbsolute(basePath), "'basePath' should be an absolute path."); + + /** + * The glob patterns that ignore to lint. + * @type {string[]} + */ + this.patterns = patterns; + + /** + * The base path of `patterns`. + * @type {string} + */ + this.basePath = basePath; + + /** + * If `true` then patterns which don't start with `/` will match the paths to the outside of `basePath`. Defaults to `false`. + * + * It's set `true` for `.eslintignore`, `package.json`, and `--ignore-path` for backward compatibility. + * It's `false` as-is for `ignorePatterns` property in config files. + * @type {boolean} + */ + this.loose = false; + } + + /** + * Get `patterns` as modified for a given base path. It modifies the + * absolute paths in the patterns as prepending the difference of two base + * paths. + * @param {string} newBasePath The base path. + * @returns {string[]} Modifired patterns. + */ + getPatternsRelativeTo(newBasePath) { + assert__default["default"](path__default["default"].isAbsolute(newBasePath), "'newBasePath' should be an absolute path."); + const { basePath, loose, patterns } = this; + + if (newBasePath === basePath) { + return patterns; + } + const prefix = `/${relative(newBasePath, basePath)}`; + + return patterns.map(pattern => { + const negative = pattern.startsWith("!"); + const head = negative ? "!" : ""; + const body = negative ? pattern.slice(1) : pattern; + + if (body.startsWith("/") || body.startsWith("../")) { + return `${head}${prefix}${body}`; + } + return loose ? pattern : `${head}${prefix}/**/${body}`; + }); + } +} + +/** + * @fileoverview `ExtractedConfig` class. + * + * `ExtractedConfig` class expresses a final configuration for a specific file. + * + * It provides one method. + * + * - `toCompatibleObjectAsConfigFileContent()` + * Convert this configuration to the compatible object as the content of + * config files. It converts the loaded parser and plugins to strings. + * `CLIEngine#getConfigForFile(filePath)` method uses this method. + * + * `ConfigArray#extractConfig(filePath)` creates a `ExtractedConfig` instance. + * + * @author Toru Nagashima + */ + +// For VSCode intellisense +/** @typedef {import("../../shared/types").ConfigData} ConfigData */ +/** @typedef {import("../../shared/types").GlobalConf} GlobalConf */ +/** @typedef {import("../../shared/types").SeverityConf} SeverityConf */ +/** @typedef {import("./config-dependency").DependentParser} DependentParser */ +/** @typedef {import("./config-dependency").DependentPlugin} DependentPlugin */ + +/** + * Check if `xs` starts with `ys`. + * @template T + * @param {T[]} xs The array to check. + * @param {T[]} ys The array that may be the first part of `xs`. + * @returns {boolean} `true` if `xs` starts with `ys`. + */ +function startsWith(xs, ys) { + return xs.length >= ys.length && ys.every((y, i) => y === xs[i]); +} + +/** + * The class for extracted config data. + */ +class ExtractedConfig { + constructor() { + + /** + * The config name what `noInlineConfig` setting came from. + * @type {string} + */ + this.configNameOfNoInlineConfig = ""; + + /** + * Environments. + * @type {Record} + */ + this.env = {}; + + /** + * Global variables. + * @type {Record} + */ + this.globals = {}; + + /** + * The glob patterns that ignore to lint. + * @type {(((filePath:string, dot?:boolean) => boolean) & { basePath:string; patterns:string[] }) | undefined} + */ + this.ignores = void 0; + + /** + * The flag that disables directive comments. + * @type {boolean|undefined} + */ + this.noInlineConfig = void 0; + + /** + * Parser definition. + * @type {DependentParser|null} + */ + this.parser = null; + + /** + * Options for the parser. + * @type {Object} + */ + this.parserOptions = {}; + + /** + * Plugin definitions. + * @type {Record} + */ + this.plugins = {}; + + /** + * Processor ID. + * @type {string|null} + */ + this.processor = null; + + /** + * The flag that reports unused `eslint-disable` directive comments. + * @type {boolean|undefined} + */ + this.reportUnusedDisableDirectives = void 0; + + /** + * Rule settings. + * @type {Record} + */ + this.rules = {}; + + /** + * Shared settings. + * @type {Object} + */ + this.settings = {}; + } + + /** + * Convert this config to the compatible object as a config file content. + * @returns {ConfigData} The converted object. + */ + toCompatibleObjectAsConfigFileContent() { + const { + /* eslint-disable no-unused-vars -- needed to make `config` correct */ + configNameOfNoInlineConfig: _ignore1, + processor: _ignore2, + /* eslint-enable no-unused-vars -- needed to make `config` correct */ + ignores, + ...config + } = this; + + config.parser = config.parser && config.parser.filePath; + config.plugins = Object.keys(config.plugins).filter(Boolean).reverse(); + config.ignorePatterns = ignores ? ignores.patterns : []; + + // Strip the default patterns from `ignorePatterns`. + if (startsWith(config.ignorePatterns, IgnorePattern.DefaultPatterns)) { + config.ignorePatterns = + config.ignorePatterns.slice(IgnorePattern.DefaultPatterns.length); + } + + return config; + } +} + +/** + * @fileoverview `ConfigArray` class. + * + * `ConfigArray` class expresses the full of a configuration. It has the entry + * config file, base config files that were extended, loaded parsers, and loaded + * plugins. + * + * `ConfigArray` class provides three properties and two methods. + * + * - `pluginEnvironments` + * - `pluginProcessors` + * - `pluginRules` + * The `Map` objects that contain the members of all plugins that this + * config array contains. Those map objects don't have mutation methods. + * Those keys are the member ID such as `pluginId/memberName`. + * - `isRoot()` + * If `true` then this configuration has `root:true` property. + * - `extractConfig(filePath)` + * Extract the final configuration for a given file. This means merging + * every config array element which that `criteria` property matched. The + * `filePath` argument must be an absolute path. + * + * `ConfigArrayFactory` provides the loading logic of config files. + * + * @author Toru Nagashima + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +// Define types for VSCode IntelliSense. +/** @typedef {import("../../shared/types").Environment} Environment */ +/** @typedef {import("../../shared/types").GlobalConf} GlobalConf */ +/** @typedef {import("../../shared/types").RuleConf} RuleConf */ +/** @typedef {import("../../shared/types").Rule} Rule */ +/** @typedef {import("../../shared/types").Plugin} Plugin */ +/** @typedef {import("../../shared/types").Processor} Processor */ +/** @typedef {import("./config-dependency").DependentParser} DependentParser */ +/** @typedef {import("./config-dependency").DependentPlugin} DependentPlugin */ +/** @typedef {import("./override-tester")["OverrideTester"]} OverrideTester */ + +/** + * @typedef {Object} ConfigArrayElement + * @property {string} name The name of this config element. + * @property {string} filePath The path to the source file of this config element. + * @property {InstanceType|null} criteria The tester for the `files` and `excludedFiles` of this config element. + * @property {Record|undefined} env The environment settings. + * @property {Record|undefined} globals The global variable settings. + * @property {IgnorePattern|undefined} ignorePattern The ignore patterns. + * @property {boolean|undefined} noInlineConfig The flag that disables directive comments. + * @property {DependentParser|undefined} parser The parser loader. + * @property {Object|undefined} parserOptions The parser options. + * @property {Record|undefined} plugins The plugin loaders. + * @property {string|undefined} processor The processor name to refer plugin's processor. + * @property {boolean|undefined} reportUnusedDisableDirectives The flag to report unused `eslint-disable` comments. + * @property {boolean|undefined} root The flag to express root. + * @property {Record|undefined} rules The rule settings + * @property {Object|undefined} settings The shared settings. + * @property {"config" | "ignore" | "implicit-processor"} type The element type. + */ + +/** + * @typedef {Object} ConfigArrayInternalSlots + * @property {Map} cache The cache to extract configs. + * @property {ReadonlyMap|null} envMap The map from environment ID to environment definition. + * @property {ReadonlyMap|null} processorMap The map from processor ID to environment definition. + * @property {ReadonlyMap|null} ruleMap The map from rule ID to rule definition. + */ + +/** @type {WeakMap} */ +const internalSlotsMap$2 = new class extends WeakMap { + get(key) { + let value = super.get(key); + + if (!value) { + value = { + cache: new Map(), + envMap: null, + processorMap: null, + ruleMap: null + }; + super.set(key, value); + } + + return value; + } +}(); + +/** + * Get the indices which are matched to a given file. + * @param {ConfigArrayElement[]} elements The elements. + * @param {string} filePath The path to a target file. + * @returns {number[]} The indices. + */ +function getMatchedIndices(elements, filePath) { + const indices = []; + + for (let i = elements.length - 1; i >= 0; --i) { + const element = elements[i]; + + if (!element.criteria || (filePath && element.criteria.test(filePath))) { + indices.push(i); + } + } + + return indices; +} + +/** + * Check if a value is a non-null object. + * @param {any} x The value to check. + * @returns {boolean} `true` if the value is a non-null object. + */ +function isNonNullObject(x) { + return typeof x === "object" && x !== null; +} + +/** + * Merge two objects. + * + * Assign every property values of `y` to `x` if `x` doesn't have the property. + * If `x`'s property value is an object, it does recursive. + * @param {Object} target The destination to merge + * @param {Object|undefined} source The source to merge. + * @returns {void} + */ +function mergeWithoutOverwrite(target, source) { + if (!isNonNullObject(source)) { + return; + } + + for (const key of Object.keys(source)) { + if (key === "__proto__") { + continue; + } + + if (isNonNullObject(target[key])) { + mergeWithoutOverwrite(target[key], source[key]); + } else if (target[key] === void 0) { + if (isNonNullObject(source[key])) { + target[key] = Array.isArray(source[key]) ? [] : {}; + mergeWithoutOverwrite(target[key], source[key]); + } else if (source[key] !== void 0) { + target[key] = source[key]; + } + } + } +} + +/** + * The error for plugin conflicts. + */ +class PluginConflictError extends Error { + + /** + * Initialize this error object. + * @param {string} pluginId The plugin ID. + * @param {{filePath:string, importerName:string}[]} plugins The resolved plugins. + */ + constructor(pluginId, plugins) { + super(`Plugin "${pluginId}" was conflicted between ${plugins.map(p => `"${p.importerName}"`).join(" and ")}.`); + this.messageTemplate = "plugin-conflict"; + this.messageData = { pluginId, plugins }; + } +} + +/** + * Merge plugins. + * `target`'s definition is prior to `source`'s. + * @param {Record} target The destination to merge + * @param {Record|undefined} source The source to merge. + * @returns {void} + * @throws {PluginConflictError} When a plugin was conflicted. + */ +function mergePlugins(target, source) { + if (!isNonNullObject(source)) { + return; + } + + for (const key of Object.keys(source)) { + if (key === "__proto__") { + continue; + } + const targetValue = target[key]; + const sourceValue = source[key]; + + // Adopt the plugin which was found at first. + if (targetValue === void 0) { + if (sourceValue.error) { + throw sourceValue.error; + } + target[key] = sourceValue; + } else if (sourceValue.filePath !== targetValue.filePath) { + throw new PluginConflictError(key, [ + { + filePath: targetValue.filePath, + importerName: targetValue.importerName + }, + { + filePath: sourceValue.filePath, + importerName: sourceValue.importerName + } + ]); + } + } +} + +/** + * Merge rule configs. + * `target`'s definition is prior to `source`'s. + * @param {Record} target The destination to merge + * @param {Record|undefined} source The source to merge. + * @returns {void} + */ +function mergeRuleConfigs(target, source) { + if (!isNonNullObject(source)) { + return; + } + + for (const key of Object.keys(source)) { + if (key === "__proto__") { + continue; + } + const targetDef = target[key]; + const sourceDef = source[key]; + + // Adopt the rule config which was found at first. + if (targetDef === void 0) { + if (Array.isArray(sourceDef)) { + target[key] = [...sourceDef]; + } else { + target[key] = [sourceDef]; + } + + /* + * If the first found rule config is severity only and the current rule + * config has options, merge the severity and the options. + */ + } else if ( + targetDef.length === 1 && + Array.isArray(sourceDef) && + sourceDef.length >= 2 + ) { + targetDef.push(...sourceDef.slice(1)); + } + } +} + +/** + * Create the extracted config. + * @param {ConfigArray} instance The config elements. + * @param {number[]} indices The indices to use. + * @returns {ExtractedConfig} The extracted config. + * @throws {Error} When a plugin is conflicted. + */ +function createConfig(instance, indices) { + const config = new ExtractedConfig(); + const ignorePatterns = []; + + // Merge elements. + for (const index of indices) { + const element = instance[index]; + + // Adopt the parser which was found at first. + if (!config.parser && element.parser) { + if (element.parser.error) { + throw element.parser.error; + } + config.parser = element.parser; + } + + // Adopt the processor which was found at first. + if (!config.processor && element.processor) { + config.processor = element.processor; + } + + // Adopt the noInlineConfig which was found at first. + if (config.noInlineConfig === void 0 && element.noInlineConfig !== void 0) { + config.noInlineConfig = element.noInlineConfig; + config.configNameOfNoInlineConfig = element.name; + } + + // Adopt the reportUnusedDisableDirectives which was found at first. + if (config.reportUnusedDisableDirectives === void 0 && element.reportUnusedDisableDirectives !== void 0) { + config.reportUnusedDisableDirectives = element.reportUnusedDisableDirectives; + } + + // Collect ignorePatterns + if (element.ignorePattern) { + ignorePatterns.push(element.ignorePattern); + } + + // Merge others. + mergeWithoutOverwrite(config.env, element.env); + mergeWithoutOverwrite(config.globals, element.globals); + mergeWithoutOverwrite(config.parserOptions, element.parserOptions); + mergeWithoutOverwrite(config.settings, element.settings); + mergePlugins(config.plugins, element.plugins); + mergeRuleConfigs(config.rules, element.rules); + } + + // Create the predicate function for ignore patterns. + if (ignorePatterns.length > 0) { + config.ignores = IgnorePattern.createIgnore(ignorePatterns.reverse()); + } + + return config; +} + +/** + * Collect definitions. + * @template T, U + * @param {string} pluginId The plugin ID for prefix. + * @param {Record} defs The definitions to collect. + * @param {Map} map The map to output. + * @returns {void} + */ +function collect(pluginId, defs, map) { + if (defs) { + const prefix = pluginId && `${pluginId}/`; + + for (const [key, value] of Object.entries(defs)) { + map.set(`${prefix}${key}`, value); + } + } +} + +/** + * Delete the mutation methods from a given map. + * @param {Map} map The map object to delete. + * @returns {void} + */ +function deleteMutationMethods(map) { + Object.defineProperties(map, { + clear: { configurable: true, value: void 0 }, + delete: { configurable: true, value: void 0 }, + set: { configurable: true, value: void 0 } + }); +} + +/** + * Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array. + * @param {ConfigArrayElement[]} elements The config elements. + * @param {ConfigArrayInternalSlots} slots The internal slots. + * @returns {void} + */ +function initPluginMemberMaps(elements, slots) { + const processed = new Set(); + + slots.envMap = new Map(); + slots.processorMap = new Map(); + slots.ruleMap = new Map(); + + for (const element of elements) { + if (!element.plugins) { + continue; + } + + for (const [pluginId, value] of Object.entries(element.plugins)) { + const plugin = value.definition; + + if (!plugin || processed.has(pluginId)) { + continue; + } + processed.add(pluginId); + + collect(pluginId, plugin.environments, slots.envMap); + collect(pluginId, plugin.processors, slots.processorMap); + collect(pluginId, plugin.rules, slots.ruleMap); + } + } + + deleteMutationMethods(slots.envMap); + deleteMutationMethods(slots.processorMap); + deleteMutationMethods(slots.ruleMap); +} + +/** + * Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array. + * @param {ConfigArray} instance The config elements. + * @returns {ConfigArrayInternalSlots} The extracted config. + */ +function ensurePluginMemberMaps(instance) { + const slots = internalSlotsMap$2.get(instance); + + if (!slots.ruleMap) { + initPluginMemberMaps(instance, slots); + } + + return slots; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * The Config Array. + * + * `ConfigArray` instance contains all settings, parsers, and plugins. + * You need to call `ConfigArray#extractConfig(filePath)` method in order to + * extract, merge and get only the config data which is related to an arbitrary + * file. + * @extends {Array} + */ +class ConfigArray extends Array { + + /** + * Get the plugin environments. + * The returned map cannot be mutated. + * @type {ReadonlyMap} The plugin environments. + */ + get pluginEnvironments() { + return ensurePluginMemberMaps(this).envMap; + } + + /** + * Get the plugin processors. + * The returned map cannot be mutated. + * @type {ReadonlyMap} The plugin processors. + */ + get pluginProcessors() { + return ensurePluginMemberMaps(this).processorMap; + } + + /** + * Get the plugin rules. + * The returned map cannot be mutated. + * @returns {ReadonlyMap} The plugin rules. + */ + get pluginRules() { + return ensurePluginMemberMaps(this).ruleMap; + } + + /** + * Check if this config has `root` flag. + * @returns {boolean} `true` if this config array is root. + */ + isRoot() { + for (let i = this.length - 1; i >= 0; --i) { + const root = this[i].root; + + if (typeof root === "boolean") { + return root; + } + } + return false; + } + + /** + * Extract the config data which is related to a given file. + * @param {string} filePath The absolute path to the target file. + * @returns {ExtractedConfig} The extracted config data. + */ + extractConfig(filePath) { + const { cache } = internalSlotsMap$2.get(this); + const indices = getMatchedIndices(this, filePath); + const cacheKey = indices.join(","); + + if (!cache.has(cacheKey)) { + cache.set(cacheKey, createConfig(this, indices)); + } + + return cache.get(cacheKey); + } + + /** + * Check if a given path is an additional lint target. + * @param {string} filePath The absolute path to the target file. + * @returns {boolean} `true` if the file is an additional lint target. + */ + isAdditionalTargetPath(filePath) { + for (const { criteria, type } of this) { + if ( + type === "config" && + criteria && + !criteria.endsWithWildcard && + criteria.test(filePath) + ) { + return true; + } + } + return false; + } +} + +/** + * Get the used extracted configs. + * CLIEngine will use this method to collect used deprecated rules. + * @param {ConfigArray} instance The config array object to get. + * @returns {ExtractedConfig[]} The used extracted configs. + * @private + */ +function getUsedExtractedConfigs(instance) { + const { cache } = internalSlotsMap$2.get(instance); + + return Array.from(cache.values()); +} + +/** + * @fileoverview `ConfigDependency` class. + * + * `ConfigDependency` class expresses a loaded parser or plugin. + * + * If the parser or plugin was loaded successfully, it has `definition` property + * and `filePath` property. Otherwise, it has `error` property. + * + * When `JSON.stringify()` converted a `ConfigDependency` object to a JSON, it + * omits `definition` property. + * + * `ConfigArrayFactory` creates `ConfigDependency` objects when it loads parsers + * or plugins. + * + * @author Toru Nagashima + */ + +/** + * The class is to store parsers or plugins. + * This class hides the loaded object from `JSON.stringify()` and `console.log`. + * @template T + */ +class ConfigDependency { + + /** + * Initialize this instance. + * @param {Object} data The dependency data. + * @param {T} [data.definition] The dependency if the loading succeeded. + * @param {T} [data.original] The original, non-normalized dependency if the loading succeeded. + * @param {Error} [data.error] The error object if the loading failed. + * @param {string} [data.filePath] The actual path to the dependency if the loading succeeded. + * @param {string} data.id The ID of this dependency. + * @param {string} data.importerName The name of the config file which loads this dependency. + * @param {string} data.importerPath The path to the config file which loads this dependency. + */ + constructor({ + definition = null, + original = null, + error = null, + filePath = null, + id, + importerName, + importerPath + }) { + + /** + * The loaded dependency if the loading succeeded. + * @type {T|null} + */ + this.definition = definition; + + /** + * The original dependency as loaded directly from disk if the loading succeeded. + * @type {T|null} + */ + this.original = original; + + /** + * The error object if the loading failed. + * @type {Error|null} + */ + this.error = error; + + /** + * The loaded dependency if the loading succeeded. + * @type {string|null} + */ + this.filePath = filePath; + + /** + * The ID of this dependency. + * @type {string} + */ + this.id = id; + + /** + * The name of the config file which loads this dependency. + * @type {string} + */ + this.importerName = importerName; + + /** + * The path to the config file which loads this dependency. + * @type {string} + */ + this.importerPath = importerPath; + } + + /** + * Converts this instance to a JSON compatible object. + * @returns {Object} a JSON compatible object. + */ + toJSON() { + const obj = this[util__default["default"].inspect.custom](); + + // Display `error.message` (`Error#message` is unenumerable). + if (obj.error instanceof Error) { + obj.error = { ...obj.error, message: obj.error.message }; + } + + return obj; + } + + /** + * Custom inspect method for Node.js `console.log()`. + * @returns {Object} an object to display by `console.log()`. + */ + [util__default["default"].inspect.custom]() { + const { + definition: _ignore1, // eslint-disable-line no-unused-vars -- needed to make `obj` correct + original: _ignore2, // eslint-disable-line no-unused-vars -- needed to make `obj` correct + ...obj + } = this; + + return obj; + } +} + +/** + * @fileoverview `OverrideTester` class. + * + * `OverrideTester` class handles `files` property and `excludedFiles` property + * of `overrides` config. + * + * It provides one method. + * + * - `test(filePath)` + * Test if a file path matches the pair of `files` property and + * `excludedFiles` property. The `filePath` argument must be an absolute + * path. + * + * `ConfigArrayFactory` creates `OverrideTester` objects when it processes + * `overrides` properties. + * + * @author Toru Nagashima + */ + +const { Minimatch } = minimatch__default["default"]; + +const minimatchOpts = { dot: true, matchBase: true }; + +/** + * @typedef {Object} Pattern + * @property {InstanceType[] | null} includes The positive matchers. + * @property {InstanceType[] | null} excludes The negative matchers. + */ + +/** + * Normalize a given pattern to an array. + * @param {string|string[]|undefined} patterns A glob pattern or an array of glob patterns. + * @returns {string[]|null} Normalized patterns. + * @private + */ +function normalizePatterns(patterns) { + if (Array.isArray(patterns)) { + return patterns.filter(Boolean); + } + if (typeof patterns === "string" && patterns) { + return [patterns]; + } + return []; +} + +/** + * Create the matchers of given patterns. + * @param {string[]} patterns The patterns. + * @returns {InstanceType[] | null} The matchers. + */ +function toMatcher(patterns) { + if (patterns.length === 0) { + return null; + } + return patterns.map(pattern => { + if (/^\.[/\\]/u.test(pattern)) { + return new Minimatch( + pattern.slice(2), + + // `./*.js` should not match with `subdir/foo.js` + { ...minimatchOpts, matchBase: false } + ); + } + return new Minimatch(pattern, minimatchOpts); + }); +} + +/** + * Convert a given matcher to string. + * @param {Pattern} matchers The matchers. + * @returns {string} The string expression of the matcher. + */ +function patternToJson({ includes, excludes }) { + return { + includes: includes && includes.map(m => m.pattern), + excludes: excludes && excludes.map(m => m.pattern) + }; +} + +/** + * The class to test given paths are matched by the patterns. + */ +class OverrideTester { + + /** + * Create a tester with given criteria. + * If there are no criteria, returns `null`. + * @param {string|string[]} files The glob patterns for included files. + * @param {string|string[]} excludedFiles The glob patterns for excluded files. + * @param {string} basePath The path to the base directory to test paths. + * @returns {OverrideTester|null} The created instance or `null`. + * @throws {Error} When invalid patterns are given. + */ + static create(files, excludedFiles, basePath) { + const includePatterns = normalizePatterns(files); + const excludePatterns = normalizePatterns(excludedFiles); + let endsWithWildcard = false; + + if (includePatterns.length === 0) { + return null; + } + + // Rejects absolute paths or relative paths to parents. + for (const pattern of includePatterns) { + if (path__default["default"].isAbsolute(pattern) || pattern.includes("..")) { + throw new Error(`Invalid override pattern (expected relative path not containing '..'): ${pattern}`); + } + if (pattern.endsWith("*")) { + endsWithWildcard = true; + } + } + for (const pattern of excludePatterns) { + if (path__default["default"].isAbsolute(pattern) || pattern.includes("..")) { + throw new Error(`Invalid override pattern (expected relative path not containing '..'): ${pattern}`); + } + } + + const includes = toMatcher(includePatterns); + const excludes = toMatcher(excludePatterns); + + return new OverrideTester( + [{ includes, excludes }], + basePath, + endsWithWildcard + ); + } + + /** + * Combine two testers by logical and. + * If either of the testers was `null`, returns the other tester. + * The `basePath` property of the two must be the same value. + * @param {OverrideTester|null} a A tester. + * @param {OverrideTester|null} b Another tester. + * @returns {OverrideTester|null} Combined tester. + */ + static and(a, b) { + if (!b) { + return a && new OverrideTester( + a.patterns, + a.basePath, + a.endsWithWildcard + ); + } + if (!a) { + return new OverrideTester( + b.patterns, + b.basePath, + b.endsWithWildcard + ); + } + + assert__default["default"].strictEqual(a.basePath, b.basePath); + return new OverrideTester( + a.patterns.concat(b.patterns), + a.basePath, + a.endsWithWildcard || b.endsWithWildcard + ); + } + + /** + * Initialize this instance. + * @param {Pattern[]} patterns The matchers. + * @param {string} basePath The base path. + * @param {boolean} endsWithWildcard If `true` then a pattern ends with `*`. + */ + constructor(patterns, basePath, endsWithWildcard = false) { + + /** @type {Pattern[]} */ + this.patterns = patterns; + + /** @type {string} */ + this.basePath = basePath; + + /** @type {boolean} */ + this.endsWithWildcard = endsWithWildcard; + } + + /** + * Test if a given path is matched or not. + * @param {string} filePath The absolute path to the target file. + * @returns {boolean} `true` if the path was matched. + * @throws {Error} When invalid `filePath` is given. + */ + test(filePath) { + if (typeof filePath !== "string" || !path__default["default"].isAbsolute(filePath)) { + throw new Error(`'filePath' should be an absolute path, but got ${filePath}.`); + } + const relativePath = path__default["default"].relative(this.basePath, filePath); + + return this.patterns.every(({ includes, excludes }) => ( + (!includes || includes.some(m => m.match(relativePath))) && + (!excludes || !excludes.some(m => m.match(relativePath))) + )); + } + + /** + * Converts this instance to a JSON compatible object. + * @returns {Object} a JSON compatible object. + */ + toJSON() { + if (this.patterns.length === 1) { + return { + ...patternToJson(this.patterns[0]), + basePath: this.basePath + }; + } + return { + AND: this.patterns.map(patternToJson), + basePath: this.basePath + }; + } + + /** + * Custom inspect method for Node.js `console.log()`. + * @returns {Object} an object to display by `console.log()`. + */ + [util__default["default"].inspect.custom]() { + return this.toJSON(); + } +} + +/** + * @fileoverview `ConfigArray` class. + * @author Toru Nagashima + */ + +/** + * @fileoverview Config file operations. This file must be usable in the browser, + * so no Node-specific code can be here. + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ + +const RULE_SEVERITY_STRINGS = ["off", "warn", "error"], + RULE_SEVERITY = RULE_SEVERITY_STRINGS.reduce((map, value, index) => { + map[value] = index; + return map; + }, {}), + VALID_SEVERITIES = new Set([0, 1, 2, "off", "warn", "error"]); + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Normalizes the severity value of a rule's configuration to a number + * @param {(number|string|[number, ...*]|[string, ...*])} ruleConfig A rule's configuration value, generally + * received from the user. A valid config value is either 0, 1, 2, the string "off" (treated the same as 0), + * the string "warn" (treated the same as 1), the string "error" (treated the same as 2), or an array + * whose first element is one of the above values. Strings are matched case-insensitively. + * @returns {(0|1|2)} The numeric severity value if the config value was valid, otherwise 0. + */ +function getRuleSeverity(ruleConfig) { + const severityValue = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig; + + if (severityValue === 0 || severityValue === 1 || severityValue === 2) { + return severityValue; + } + + if (typeof severityValue === "string") { + return RULE_SEVERITY[severityValue.toLowerCase()] || 0; + } + + return 0; +} + +/** + * Converts old-style severity settings (0, 1, 2) into new-style + * severity settings (off, warn, error) for all rules. Assumption is that severity + * values have already been validated as correct. + * @param {Object} config The config object to normalize. + * @returns {void} + */ +function normalizeToStrings(config) { + + if (config.rules) { + Object.keys(config.rules).forEach(ruleId => { + const ruleConfig = config.rules[ruleId]; + + if (typeof ruleConfig === "number") { + config.rules[ruleId] = RULE_SEVERITY_STRINGS[ruleConfig] || RULE_SEVERITY_STRINGS[0]; + } else if (Array.isArray(ruleConfig) && typeof ruleConfig[0] === "number") { + ruleConfig[0] = RULE_SEVERITY_STRINGS[ruleConfig[0]] || RULE_SEVERITY_STRINGS[0]; + } + }); + } +} + +/** + * Determines if the severity for the given rule configuration represents an error. + * @param {int|string|Array} ruleConfig The configuration for an individual rule. + * @returns {boolean} True if the rule represents an error, false if not. + */ +function isErrorSeverity(ruleConfig) { + return getRuleSeverity(ruleConfig) === 2; +} + +/** + * Checks whether a given config has valid severity or not. + * @param {number|string|Array} ruleConfig The configuration for an individual rule. + * @returns {boolean} `true` if the configuration has valid severity. + */ +function isValidSeverity(ruleConfig) { + let severity = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig; + + if (typeof severity === "string") { + severity = severity.toLowerCase(); + } + return VALID_SEVERITIES.has(severity); +} + +/** + * Checks whether every rule of a given config has valid severity or not. + * @param {Object} config The configuration for rules. + * @returns {boolean} `true` if the configuration has valid severity. + */ +function isEverySeverityValid(config) { + return Object.keys(config).every(ruleId => isValidSeverity(config[ruleId])); +} + +/** + * Normalizes a value for a global in a config + * @param {(boolean|string|null)} configuredValue The value given for a global in configuration or in + * a global directive comment + * @returns {("readable"|"writeable"|"off")} The value normalized as a string + * @throws Error if global value is invalid + */ +function normalizeConfigGlobal(configuredValue) { + switch (configuredValue) { + case "off": + return "off"; + + case true: + case "true": + case "writeable": + case "writable": + return "writable"; + + case null: + case false: + case "false": + case "readable": + case "readonly": + return "readonly"; + + default: + throw new Error(`'${configuredValue}' is not a valid configuration for a global (use 'readonly', 'writable', or 'off')`); + } +} + +var ConfigOps = { + __proto__: null, + getRuleSeverity: getRuleSeverity, + normalizeToStrings: normalizeToStrings, + isErrorSeverity: isErrorSeverity, + isValidSeverity: isValidSeverity, + isEverySeverityValid: isEverySeverityValid, + normalizeConfigGlobal: normalizeConfigGlobal +}; + +/** + * @fileoverview Provide the function that emits deprecation warnings. + * @author Toru Nagashima + */ + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ + +// Defitions for deprecation warnings. +const deprecationWarningMessages = { + ESLINT_LEGACY_ECMAFEATURES: + "The 'ecmaFeatures' config file property is deprecated and has no effect.", + ESLINT_PERSONAL_CONFIG_LOAD: + "'~/.eslintrc.*' config files have been deprecated. " + + "Please use a config file per project or the '--config' option.", + ESLINT_PERSONAL_CONFIG_SUPPRESS: + "'~/.eslintrc.*' config files have been deprecated. " + + "Please remove it or add 'root:true' to the config files in your " + + "projects in order to avoid loading '~/.eslintrc.*' accidentally." +}; + +const sourceFileErrorCache = new Set(); + +/** + * Emits a deprecation warning containing a given filepath. A new deprecation warning is emitted + * for each unique file path, but repeated invocations with the same file path have no effect. + * No warnings are emitted if the `--no-deprecation` or `--no-warnings` Node runtime flags are active. + * @param {string} source The name of the configuration source to report the warning for. + * @param {string} errorCode The warning message to show. + * @returns {void} + */ +function emitDeprecationWarning(source, errorCode) { + const cacheKey = JSON.stringify({ source, errorCode }); + + if (sourceFileErrorCache.has(cacheKey)) { + return; + } + sourceFileErrorCache.add(cacheKey); + + const rel = path__default["default"].relative(process.cwd(), source); + const message = deprecationWarningMessages[errorCode]; + + process.emitWarning( + `${message} (found in "${rel}")`, + "DeprecationWarning", + errorCode + ); +} + +/** + * @fileoverview The instance of Ajv validator. + * @author Evgeny Poberezkin + */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/* + * Copied from ajv/lib/refs/json-schema-draft-04.json + * The MIT License (MIT) + * Copyright (c) 2015-2017 Evgeny Poberezkin + */ +const metaSchema = { + id: "http://json-schema.org/draft-04/schema#", + $schema: "http://json-schema.org/draft-04/schema#", + description: "Core schema meta-schema", + definitions: { + schemaArray: { + type: "array", + minItems: 1, + items: { $ref: "#" } + }, + positiveInteger: { + type: "integer", + minimum: 0 + }, + positiveIntegerDefault0: { + allOf: [{ $ref: "#/definitions/positiveInteger" }, { default: 0 }] + }, + simpleTypes: { + enum: ["array", "boolean", "integer", "null", "number", "object", "string"] + }, + stringArray: { + type: "array", + items: { type: "string" }, + minItems: 1, + uniqueItems: true + } + }, + type: "object", + properties: { + id: { + type: "string" + }, + $schema: { + type: "string" + }, + title: { + type: "string" + }, + description: { + type: "string" + }, + default: { }, + multipleOf: { + type: "number", + minimum: 0, + exclusiveMinimum: true + }, + maximum: { + type: "number" + }, + exclusiveMaximum: { + type: "boolean", + default: false + }, + minimum: { + type: "number" + }, + exclusiveMinimum: { + type: "boolean", + default: false + }, + maxLength: { $ref: "#/definitions/positiveInteger" }, + minLength: { $ref: "#/definitions/positiveIntegerDefault0" }, + pattern: { + type: "string", + format: "regex" + }, + additionalItems: { + anyOf: [ + { type: "boolean" }, + { $ref: "#" } + ], + default: { } + }, + items: { + anyOf: [ + { $ref: "#" }, + { $ref: "#/definitions/schemaArray" } + ], + default: { } + }, + maxItems: { $ref: "#/definitions/positiveInteger" }, + minItems: { $ref: "#/definitions/positiveIntegerDefault0" }, + uniqueItems: { + type: "boolean", + default: false + }, + maxProperties: { $ref: "#/definitions/positiveInteger" }, + minProperties: { $ref: "#/definitions/positiveIntegerDefault0" }, + required: { $ref: "#/definitions/stringArray" }, + additionalProperties: { + anyOf: [ + { type: "boolean" }, + { $ref: "#" } + ], + default: { } + }, + definitions: { + type: "object", + additionalProperties: { $ref: "#" }, + default: { } + }, + properties: { + type: "object", + additionalProperties: { $ref: "#" }, + default: { } + }, + patternProperties: { + type: "object", + additionalProperties: { $ref: "#" }, + default: { } + }, + dependencies: { + type: "object", + additionalProperties: { + anyOf: [ + { $ref: "#" }, + { $ref: "#/definitions/stringArray" } + ] + } + }, + enum: { + type: "array", + minItems: 1, + uniqueItems: true + }, + type: { + anyOf: [ + { $ref: "#/definitions/simpleTypes" }, + { + type: "array", + items: { $ref: "#/definitions/simpleTypes" }, + minItems: 1, + uniqueItems: true + } + ] + }, + format: { type: "string" }, + allOf: { $ref: "#/definitions/schemaArray" }, + anyOf: { $ref: "#/definitions/schemaArray" }, + oneOf: { $ref: "#/definitions/schemaArray" }, + not: { $ref: "#" } + }, + dependencies: { + exclusiveMaximum: ["maximum"], + exclusiveMinimum: ["minimum"] + }, + default: { } +}; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +var ajvOrig = (additionalOptions = {}) => { + const ajv = new Ajv__default["default"]({ + meta: false, + useDefaults: true, + validateSchema: false, + missingRefs: "ignore", + verbose: true, + schemaId: "auto", + ...additionalOptions + }); + + ajv.addMetaSchema(metaSchema); + // eslint-disable-next-line no-underscore-dangle -- part of the API + ajv._opts.defaultMeta = metaSchema.id; + + return ajv; +}; + +/** + * @fileoverview Applies default rule options + * @author JoshuaKGoldberg + */ + +/** + * Check if the variable contains an object strictly rejecting arrays + * @param {unknown} value an object + * @returns {boolean} Whether value is an object + */ +function isObjectNotArray(value) { + return typeof value === "object" && value !== null && !Array.isArray(value); +} + +/** + * Deeply merges second on top of first, creating a new {} object if needed. + * @param {T} first Base, default value. + * @param {U} second User-specified value. + * @returns {T | U | (T & U)} Merged equivalent of second on top of first. + */ +function deepMergeObjects(first, second) { + if (second === void 0) { + return first; + } + + if (!isObjectNotArray(first) || !isObjectNotArray(second)) { + return second; + } + + const result = { ...first, ...second }; + + for (const key of Object.keys(second)) { + if (Object.prototype.propertyIsEnumerable.call(first, key)) { + result[key] = deepMergeObjects(first[key], second[key]); + } + } + + return result; +} + +/** + * Deeply merges second on top of first, creating a new [] array if needed. + * @param {T[] | undefined} first Base, default values. + * @param {U[] | undefined} second User-specified values. + * @returns {(T | U | (T & U))[]} Merged equivalent of second on top of first. + */ +function deepMergeArrays(first, second) { + if (!first || !second) { + return second || first || []; + } + + return [ + ...first.map((value, i) => deepMergeObjects(value, second[i])), + ...second.slice(first.length) + ]; +} + +/** + * @fileoverview Defines a schema for configs. + * @author Sylvan Mably + */ + +const baseConfigProperties = { + $schema: { type: "string" }, + env: { type: "object" }, + extends: { $ref: "#/definitions/stringOrStrings" }, + globals: { type: "object" }, + overrides: { + type: "array", + items: { $ref: "#/definitions/overrideConfig" }, + additionalItems: false + }, + parser: { type: ["string", "null"] }, + parserOptions: { type: "object" }, + plugins: { type: "array" }, + processor: { type: "string" }, + rules: { type: "object" }, + settings: { type: "object" }, + noInlineConfig: { type: "boolean" }, + reportUnusedDisableDirectives: { type: "boolean" }, + + ecmaFeatures: { type: "object" } // deprecated; logs a warning when used +}; + +const configSchema = { + definitions: { + stringOrStrings: { + oneOf: [ + { type: "string" }, + { + type: "array", + items: { type: "string" }, + additionalItems: false + } + ] + }, + stringOrStringsRequired: { + oneOf: [ + { type: "string" }, + { + type: "array", + items: { type: "string" }, + additionalItems: false, + minItems: 1 + } + ] + }, + + // Config at top-level. + objectConfig: { + type: "object", + properties: { + root: { type: "boolean" }, + ignorePatterns: { $ref: "#/definitions/stringOrStrings" }, + ...baseConfigProperties + }, + additionalProperties: false + }, + + // Config in `overrides`. + overrideConfig: { + type: "object", + properties: { + excludedFiles: { $ref: "#/definitions/stringOrStrings" }, + files: { $ref: "#/definitions/stringOrStringsRequired" }, + ...baseConfigProperties + }, + required: ["files"], + additionalProperties: false + } + }, + + $ref: "#/definitions/objectConfig" +}; + +/** + * @fileoverview Defines environment settings and globals. + * @author Elan Shanker + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Get the object that has difference. + * @param {Record} current The newer object. + * @param {Record} prev The older object. + * @returns {Record} The difference object. + */ +function getDiff(current, prev) { + const retv = {}; + + for (const [key, value] of Object.entries(current)) { + if (!Object.hasOwn(prev, key)) { + retv[key] = value; + } + } + + return retv; +} + +const newGlobals2015 = getDiff(globals__default["default"].es2015, globals__default["default"].es5); // 19 variables such as Promise, Map, ... +const newGlobals2017 = { + Atomics: false, + SharedArrayBuffer: false +}; +const newGlobals2020 = { + BigInt: false, + BigInt64Array: false, + BigUint64Array: false, + globalThis: false +}; + +const newGlobals2021 = { + AggregateError: false, + FinalizationRegistry: false, + WeakRef: false +}; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** @type {Map} */ +var environments = new Map(Object.entries({ + + // Language + builtin: { + globals: globals__default["default"].es5 + }, + es6: { + globals: newGlobals2015, + parserOptions: { + ecmaVersion: 6 + } + }, + es2015: { + globals: newGlobals2015, + parserOptions: { + ecmaVersion: 6 + } + }, + es2016: { + globals: newGlobals2015, + parserOptions: { + ecmaVersion: 7 + } + }, + es2017: { + globals: { ...newGlobals2015, ...newGlobals2017 }, + parserOptions: { + ecmaVersion: 8 + } + }, + es2018: { + globals: { ...newGlobals2015, ...newGlobals2017 }, + parserOptions: { + ecmaVersion: 9 + } + }, + es2019: { + globals: { ...newGlobals2015, ...newGlobals2017 }, + parserOptions: { + ecmaVersion: 10 + } + }, + es2020: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020 }, + parserOptions: { + ecmaVersion: 11 + } + }, + es2021: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 12 + } + }, + es2022: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 13 + } + }, + es2023: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 14 + } + }, + es2024: { + globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 }, + parserOptions: { + ecmaVersion: 15 + } + }, + + // Platforms + browser: { + globals: globals__default["default"].browser + }, + node: { + globals: globals__default["default"].node, + parserOptions: { + ecmaFeatures: { + globalReturn: true + } + } + }, + "shared-node-browser": { + globals: globals__default["default"]["shared-node-browser"] + }, + worker: { + globals: globals__default["default"].worker + }, + serviceworker: { + globals: globals__default["default"].serviceworker + }, + + // Frameworks + commonjs: { + globals: globals__default["default"].commonjs, + parserOptions: { + ecmaFeatures: { + globalReturn: true + } + } + }, + amd: { + globals: globals__default["default"].amd + }, + mocha: { + globals: globals__default["default"].mocha + }, + jasmine: { + globals: globals__default["default"].jasmine + }, + jest: { + globals: globals__default["default"].jest + }, + phantomjs: { + globals: globals__default["default"].phantomjs + }, + jquery: { + globals: globals__default["default"].jquery + }, + qunit: { + globals: globals__default["default"].qunit + }, + prototypejs: { + globals: globals__default["default"].prototypejs + }, + shelljs: { + globals: globals__default["default"].shelljs + }, + meteor: { + globals: globals__default["default"].meteor + }, + mongo: { + globals: globals__default["default"].mongo + }, + protractor: { + globals: globals__default["default"].protractor + }, + applescript: { + globals: globals__default["default"].applescript + }, + nashorn: { + globals: globals__default["default"].nashorn + }, + atomtest: { + globals: globals__default["default"].atomtest + }, + embertest: { + globals: globals__default["default"].embertest + }, + webextensions: { + globals: globals__default["default"].webextensions + }, + greasemonkey: { + globals: globals__default["default"].greasemonkey + } +})); + +/** + * @fileoverview Validates configs. + * @author Brandon Mills + */ + +const ajv = ajvOrig(); + +const ruleValidators = new WeakMap(); +const noop = Function.prototype; + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ +let validateSchema; +const severityMap = { + error: 2, + warn: 1, + off: 0 +}; + +const validated = new WeakSet(); + +// JSON schema that disallows passing any options +const noOptionsSchema = Object.freeze({ + type: "array", + minItems: 0, + maxItems: 0 +}); + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Validator for configuration objects. + */ +class ConfigValidator { + constructor({ builtInRules = new Map() } = {}) { + this.builtInRules = builtInRules; + } + + /** + * Gets a complete options schema for a rule. + * @param {Rule} rule A rule object + * @throws {TypeError} If `meta.schema` is specified but is not an array, object or `false`. + * @returns {Object|null} JSON Schema for the rule's options. + * `null` if rule wasn't passed or its `meta.schema` is `false`. + */ + getRuleOptionsSchema(rule) { + if (!rule) { + return null; + } + + if (!rule.meta) { + return { ...noOptionsSchema }; // default if `meta.schema` is not specified + } + + const schema = rule.meta.schema; + + if (typeof schema === "undefined") { + return { ...noOptionsSchema }; // default if `meta.schema` is not specified + } + + // `schema:false` is an allowed explicit opt-out of options validation for the rule + if (schema === false) { + return null; + } + + if (typeof schema !== "object" || schema === null) { + throw new TypeError("Rule's `meta.schema` must be an array or object"); + } + + // ESLint-specific array form needs to be converted into a valid JSON Schema definition + if (Array.isArray(schema)) { + if (schema.length) { + return { + type: "array", + items: schema, + minItems: 0, + maxItems: schema.length + }; + } + + // `schema:[]` is an explicit way to specify that the rule does not accept any options + return { ...noOptionsSchema }; + } + + // `schema:` is assumed to be a valid JSON Schema definition + return schema; + } + + /** + * Validates a rule's severity and returns the severity value. Throws an error if the severity is invalid. + * @param {options} options The given options for the rule. + * @returns {number|string} The rule's severity value + * @throws {Error} If the severity is invalid. + */ + validateRuleSeverity(options) { + const severity = Array.isArray(options) ? options[0] : options; + const normSeverity = typeof severity === "string" ? severityMap[severity.toLowerCase()] : severity; + + if (normSeverity === 0 || normSeverity === 1 || normSeverity === 2) { + return normSeverity; + } + + throw new Error(`\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '${util__default["default"].inspect(severity).replace(/'/gu, "\"").replace(/\n/gu, "")}').\n`); + + } + + /** + * Validates the non-severity options passed to a rule, based on its schema. + * @param {{create: Function}} rule The rule to validate + * @param {Array} localOptions The options for the rule, excluding severity + * @returns {void} + * @throws {Error} If the options are invalid. + */ + validateRuleSchema(rule, localOptions) { + if (!ruleValidators.has(rule)) { + try { + const schema = this.getRuleOptionsSchema(rule); + + if (schema) { + ruleValidators.set(rule, ajv.compile(schema)); + } + } catch (err) { + const errorWithCode = new Error(err.message, { cause: err }); + + errorWithCode.code = "ESLINT_INVALID_RULE_OPTIONS_SCHEMA"; + + throw errorWithCode; + } + } + + const validateRule = ruleValidators.get(rule); + + if (validateRule) { + const mergedOptions = deepMergeArrays(rule.meta?.defaultOptions, localOptions); + + validateRule(mergedOptions); + + if (validateRule.errors) { + throw new Error(validateRule.errors.map( + error => `\tValue ${JSON.stringify(error.data)} ${error.message}.\n` + ).join("")); + } + } + } + + /** + * Validates a rule's options against its schema. + * @param {{create: Function}|null} rule The rule that the config is being validated for + * @param {string} ruleId The rule's unique name. + * @param {Array|number} options The given options for the rule. + * @param {string|null} source The name of the configuration source to report in any errors. If null or undefined, + * no source is prepended to the message. + * @returns {void} + * @throws {Error} If the options are invalid. + */ + validateRuleOptions(rule, ruleId, options, source = null) { + try { + const severity = this.validateRuleSeverity(options); + + if (severity !== 0) { + this.validateRuleSchema(rule, Array.isArray(options) ? options.slice(1) : []); + } + } catch (err) { + let enhancedMessage = err.code === "ESLINT_INVALID_RULE_OPTIONS_SCHEMA" + ? `Error while processing options validation schema of rule '${ruleId}': ${err.message}` + : `Configuration for rule "${ruleId}" is invalid:\n${err.message}`; + + if (typeof source === "string") { + enhancedMessage = `${source}:\n\t${enhancedMessage}`; + } + + const enhancedError = new Error(enhancedMessage, { cause: err }); + + if (err.code) { + enhancedError.code = err.code; + } + + throw enhancedError; + } + } + + /** + * Validates an environment object + * @param {Object} environment The environment config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @param {(envId:string) => Object} [getAdditionalEnv] A map from strings to loaded environments. + * @returns {void} + * @throws {Error} If the environment is invalid. + */ + validateEnvironment( + environment, + source, + getAdditionalEnv = noop + ) { + + // not having an environment is ok + if (!environment) { + return; + } + + Object.keys(environment).forEach(id => { + const env = getAdditionalEnv(id) || environments.get(id) || null; + + if (!env) { + const message = `${source}:\n\tEnvironment key "${id}" is unknown\n`; + + throw new Error(message); + } + }); + } + + /** + * Validates a rules config object + * @param {Object} rulesConfig The rules config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @param {(ruleId:string) => Object} getAdditionalRule A map from strings to loaded rules + * @returns {void} + */ + validateRules( + rulesConfig, + source, + getAdditionalRule = noop + ) { + if (!rulesConfig) { + return; + } + + Object.keys(rulesConfig).forEach(id => { + const rule = getAdditionalRule(id) || this.builtInRules.get(id) || null; + + this.validateRuleOptions(rule, id, rulesConfig[id], source); + }); + } + + /** + * Validates a `globals` section of a config file + * @param {Object} globalsConfig The `globals` section + * @param {string|null} source The name of the configuration source to report in the event of an error. + * @returns {void} + */ + validateGlobals(globalsConfig, source = null) { + if (!globalsConfig) { + return; + } + + Object.entries(globalsConfig) + .forEach(([configuredGlobal, configuredValue]) => { + try { + normalizeConfigGlobal(configuredValue); + } catch (err) { + throw new Error(`ESLint configuration of global '${configuredGlobal}' in ${source} is invalid:\n${err.message}`); + } + }); + } + + /** + * Validate `processor` configuration. + * @param {string|undefined} processorName The processor name. + * @param {string} source The name of config file. + * @param {(id:string) => Processor} getProcessor The getter of defined processors. + * @returns {void} + * @throws {Error} If the processor is invalid. + */ + validateProcessor(processorName, source, getProcessor) { + if (processorName && !getProcessor(processorName)) { + throw new Error(`ESLint configuration of processor in '${source}' is invalid: '${processorName}' was not found.`); + } + } + + /** + * Formats an array of schema validation errors. + * @param {Array} errors An array of error messages to format. + * @returns {string} Formatted error message + */ + formatErrors(errors) { + return errors.map(error => { + if (error.keyword === "additionalProperties") { + const formattedPropertyPath = error.dataPath.length ? `${error.dataPath.slice(1)}.${error.params.additionalProperty}` : error.params.additionalProperty; + + return `Unexpected top-level property "${formattedPropertyPath}"`; + } + if (error.keyword === "type") { + const formattedField = error.dataPath.slice(1); + const formattedExpectedType = Array.isArray(error.schema) ? error.schema.join("/") : error.schema; + const formattedValue = JSON.stringify(error.data); + + return `Property "${formattedField}" is the wrong type (expected ${formattedExpectedType} but got \`${formattedValue}\`)`; + } + + const field = error.dataPath[0] === "." ? error.dataPath.slice(1) : error.dataPath; + + return `"${field}" ${error.message}. Value: ${JSON.stringify(error.data)}`; + }).map(message => `\t- ${message}.\n`).join(""); + } + + /** + * Validates the top level properties of the config object. + * @param {Object} config The config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @returns {void} + * @throws {Error} If the config is invalid. + */ + validateConfigSchema(config, source = null) { + validateSchema = validateSchema || ajv.compile(configSchema); + + if (!validateSchema(config)) { + throw new Error(`ESLint configuration in ${source} is invalid:\n${this.formatErrors(validateSchema.errors)}`); + } + + if (Object.hasOwn(config, "ecmaFeatures")) { + emitDeprecationWarning(source, "ESLINT_LEGACY_ECMAFEATURES"); + } + } + + /** + * Validates an entire config object. + * @param {Object} config The config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @param {(ruleId:string) => Object} [getAdditionalRule] A map from strings to loaded rules. + * @param {(envId:string) => Object} [getAdditionalEnv] A map from strings to loaded envs. + * @returns {void} + */ + validate(config, source, getAdditionalRule, getAdditionalEnv) { + this.validateConfigSchema(config, source); + this.validateRules(config.rules, source, getAdditionalRule); + this.validateEnvironment(config.env, source, getAdditionalEnv); + this.validateGlobals(config.globals, source); + + for (const override of config.overrides || []) { + this.validateRules(override.rules, source, getAdditionalRule); + this.validateEnvironment(override.env, source, getAdditionalEnv); + this.validateGlobals(config.globals, source); + } + } + + /** + * Validate config array object. + * @param {ConfigArray} configArray The config array to validate. + * @returns {void} + */ + validateConfigArray(configArray) { + const getPluginEnv = Map.prototype.get.bind(configArray.pluginEnvironments); + const getPluginProcessor = Map.prototype.get.bind(configArray.pluginProcessors); + const getPluginRule = Map.prototype.get.bind(configArray.pluginRules); + + // Validate. + for (const element of configArray) { + if (validated.has(element)) { + continue; + } + validated.add(element); + + this.validateEnvironment(element.env, element.name, getPluginEnv); + this.validateGlobals(element.globals, element.name); + this.validateProcessor(element.processor, element.name, getPluginProcessor); + this.validateRules(element.rules, element.name, getPluginRule); + } + } + +} + +/** + * @fileoverview Common helpers for naming of plugins, formatters and configs + */ + +const NAMESPACE_REGEX = /^@.*\//iu; + +/** + * Brings package name to correct format based on prefix + * @param {string} name The name of the package. + * @param {string} prefix Can be either "eslint-plugin", "eslint-config" or "eslint-formatter" + * @returns {string} Normalized name of the package + * @private + */ +function normalizePackageName(name, prefix) { + let normalizedName = name; + + /** + * On Windows, name can come in with Windows slashes instead of Unix slashes. + * Normalize to Unix first to avoid errors later on. + * https://github.com/eslint/eslint/issues/5644 + */ + if (normalizedName.includes("\\")) { + normalizedName = normalizedName.replace(/\\/gu, "/"); + } + + if (normalizedName.charAt(0) === "@") { + + /** + * it's a scoped package + * package name is the prefix, or just a username + */ + const scopedPackageShortcutRegex = new RegExp(`^(@[^/]+)(?:/(?:${prefix})?)?$`, "u"), + scopedPackageNameRegex = new RegExp(`^${prefix}(-|$)`, "u"); + + if (scopedPackageShortcutRegex.test(normalizedName)) { + normalizedName = normalizedName.replace(scopedPackageShortcutRegex, `$1/${prefix}`); + } else if (!scopedPackageNameRegex.test(normalizedName.split("/")[1])) { + + /** + * for scoped packages, insert the prefix after the first / unless + * the path is already @scope/eslint or @scope/eslint-xxx-yyy + */ + normalizedName = normalizedName.replace(/^@([^/]+)\/(.*)$/u, `@$1/${prefix}-$2`); + } + } else if (!normalizedName.startsWith(`${prefix}-`)) { + normalizedName = `${prefix}-${normalizedName}`; + } + + return normalizedName; +} + +/** + * Removes the prefix from a fullname. + * @param {string} fullname The term which may have the prefix. + * @param {string} prefix The prefix to remove. + * @returns {string} The term without prefix. + */ +function getShorthandName(fullname, prefix) { + if (fullname[0] === "@") { + let matchResult = new RegExp(`^(@[^/]+)/${prefix}$`, "u").exec(fullname); + + if (matchResult) { + return matchResult[1]; + } + + matchResult = new RegExp(`^(@[^/]+)/${prefix}-(.+)$`, "u").exec(fullname); + if (matchResult) { + return `${matchResult[1]}/${matchResult[2]}`; + } + } else if (fullname.startsWith(`${prefix}-`)) { + return fullname.slice(prefix.length + 1); + } + + return fullname; +} + +/** + * Gets the scope (namespace) of a term. + * @param {string} term The term which may have the namespace. + * @returns {string} The namespace of the term if it has one. + */ +function getNamespaceFromTerm(term) { + const match = term.match(NAMESPACE_REGEX); + + return match ? match[0] : ""; +} + +var naming = { + __proto__: null, + normalizePackageName: normalizePackageName, + getShorthandName: getShorthandName, + getNamespaceFromTerm: getNamespaceFromTerm +}; + +/** + * Utility for resolving a module relative to another module + * @author Teddy Katz + */ + +/* + * `Module.createRequire` is added in v12.2.0. It supports URL as well. + * We only support the case where the argument is a filepath, not a URL. + */ +const createRequire = Module__default["default"].createRequire; + +/** + * Resolves a Node module relative to another module + * @param {string} moduleName The name of a Node module, or a path to a Node module. + * @param {string} relativeToPath An absolute path indicating the module that `moduleName` should be resolved relative to. This must be + * a file rather than a directory, but the file need not actually exist. + * @returns {string} The absolute path that would result from calling `require.resolve(moduleName)` in a file located at `relativeToPath` + * @throws {Error} When the module cannot be resolved. + */ +function resolve(moduleName, relativeToPath) { + try { + return createRequire(relativeToPath).resolve(moduleName); + } catch (error) { + + // This `if` block is for older Node.js than 12.0.0. We can remove this block in the future. + if ( + typeof error === "object" && + error !== null && + error.code === "MODULE_NOT_FOUND" && + !error.requireStack && + error.message.includes(moduleName) + ) { + error.message += `\nRequire stack:\n- ${relativeToPath}`; + } + throw error; + } +} + +var ModuleResolver = { + __proto__: null, + resolve: resolve +}; + +/** + * @fileoverview The factory of `ConfigArray` objects. + * + * This class provides methods to create `ConfigArray` instance. + * + * - `create(configData, options)` + * Create a `ConfigArray` instance from a config data. This is to handle CLI + * options except `--config`. + * - `loadFile(filePath, options)` + * Create a `ConfigArray` instance from a config file. This is to handle + * `--config` option. If the file was not found, throws the following error: + * - If the filename was `*.js`, a `MODULE_NOT_FOUND` error. + * - If the filename was `package.json`, an IO error or an + * `ESLINT_CONFIG_FIELD_NOT_FOUND` error. + * - Otherwise, an IO error such as `ENOENT`. + * - `loadInDirectory(directoryPath, options)` + * Create a `ConfigArray` instance from a config file which is on a given + * directory. This tries to load `.eslintrc.*` or `package.json`. If not + * found, returns an empty `ConfigArray`. + * - `loadESLintIgnore(filePath)` + * Create a `ConfigArray` instance from a config file that is `.eslintignore` + * format. This is to handle `--ignore-path` option. + * - `loadDefaultESLintIgnore()` + * Create a `ConfigArray` instance from `.eslintignore` or `package.json` in + * the current working directory. + * + * `ConfigArrayFactory` class has the responsibility that loads configuration + * files, including loading `extends`, `parser`, and `plugins`. The created + * `ConfigArray` instance has the loaded `extends`, `parser`, and `plugins`. + * + * But this class doesn't handle cascading. `CascadingConfigArrayFactory` class + * handles cascading and hierarchy. + * + * @author Toru Nagashima + */ + +const require$1 = Module.createRequire(require('url').pathToFileURL(__filename).toString()); + +const debug$2 = debugOrig__default["default"]("eslintrc:config-array-factory"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const configFilenames = [ + ".eslintrc.js", + ".eslintrc.cjs", + ".eslintrc.yaml", + ".eslintrc.yml", + ".eslintrc.json", + ".eslintrc", + "package.json" +]; + +// Define types for VSCode IntelliSense. +/** @typedef {import("./shared/types").ConfigData} ConfigData */ +/** @typedef {import("./shared/types").OverrideConfigData} OverrideConfigData */ +/** @typedef {import("./shared/types").Parser} Parser */ +/** @typedef {import("./shared/types").Plugin} Plugin */ +/** @typedef {import("./shared/types").Rule} Rule */ +/** @typedef {import("./config-array/config-dependency").DependentParser} DependentParser */ +/** @typedef {import("./config-array/config-dependency").DependentPlugin} DependentPlugin */ +/** @typedef {ConfigArray[0]} ConfigArrayElement */ + +/** + * @typedef {Object} ConfigArrayFactoryOptions + * @property {Map} [additionalPluginPool] The map for additional plugins. + * @property {string} [cwd] The path to the current working directory. + * @property {string} [resolvePluginsRelativeTo] A path to the directory that plugins should be resolved from. Defaults to `cwd`. + * @property {Map} builtInRules The rules that are built in to ESLint. + * @property {Object} [resolver=ModuleResolver] The module resolver object. + * @property {string} eslintAllPath The path to the definitions for eslint:all. + * @property {Function} getEslintAllConfig Returns the config data for eslint:all. + * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended. + * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended. + */ + +/** + * @typedef {Object} ConfigArrayFactoryInternalSlots + * @property {Map} additionalPluginPool The map for additional plugins. + * @property {string} cwd The path to the current working directory. + * @property {string | undefined} resolvePluginsRelativeTo An absolute path the the directory that plugins should be resolved from. + * @property {Map} builtInRules The rules that are built in to ESLint. + * @property {Object} [resolver=ModuleResolver] The module resolver object. + * @property {string} eslintAllPath The path to the definitions for eslint:all. + * @property {Function} getEslintAllConfig Returns the config data for eslint:all. + * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended. + * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended. + */ + +/** + * @typedef {Object} ConfigArrayFactoryLoadingContext + * @property {string} filePath The path to the current configuration. + * @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`. + * @property {string} name The name of the current configuration. + * @property {string} pluginBasePath The base path to resolve plugins. + * @property {"config" | "ignore" | "implicit-processor"} type The type of the current configuration. This is `"config"` in normal. This is `"ignore"` if it came from `.eslintignore`. This is `"implicit-processor"` if it came from legacy file-extension processors. + */ + +/** + * @typedef {Object} ConfigArrayFactoryLoadingContext + * @property {string} filePath The path to the current configuration. + * @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`. + * @property {string} name The name of the current configuration. + * @property {"config" | "ignore" | "implicit-processor"} type The type of the current configuration. This is `"config"` in normal. This is `"ignore"` if it came from `.eslintignore`. This is `"implicit-processor"` if it came from legacy file-extension processors. + */ + +/** @type {WeakMap} */ +const internalSlotsMap$1 = new WeakMap(); + +/** @type {WeakMap} */ +const normalizedPlugins = new WeakMap(); + +/** + * Check if a given string is a file path. + * @param {string} nameOrPath A module name or file path. + * @returns {boolean} `true` if the `nameOrPath` is a file path. + */ +function isFilePath(nameOrPath) { + return ( + /^\.{1,2}[/\\]/u.test(nameOrPath) || + path__default["default"].isAbsolute(nameOrPath) + ); +} + +/** + * Convenience wrapper for synchronously reading file contents. + * @param {string} filePath The filename to read. + * @returns {string} The file contents, with the BOM removed. + * @private + */ +function readFile(filePath) { + return fs__default["default"].readFileSync(filePath, "utf8").replace(/^\ufeff/u, ""); +} + +/** + * Loads a YAML configuration from a file. + * @param {string} filePath The filename to load. + * @returns {ConfigData} The configuration object from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadYAMLConfigFile(filePath) { + debug$2(`Loading YAML config file: ${filePath}`); + + // lazy load YAML to improve performance when not used + const yaml = require$1("js-yaml"); + + try { + + // empty YAML file can be null, so always use + return yaml.load(readFile(filePath)) || {}; + } catch (e) { + debug$2(`Error reading YAML file: ${filePath}`); + e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`; + throw e; + } +} + +/** + * Loads a JSON configuration from a file. + * @param {string} filePath The filename to load. + * @returns {ConfigData} The configuration object from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadJSONConfigFile(filePath) { + debug$2(`Loading JSON config file: ${filePath}`); + + try { + return JSON.parse(stripComments__default["default"](readFile(filePath))); + } catch (e) { + debug$2(`Error reading JSON file: ${filePath}`); + e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`; + e.messageTemplate = "failed-to-read-json"; + e.messageData = { + path: filePath, + message: e.message + }; + throw e; + } +} + +/** + * Loads a legacy (.eslintrc) configuration from a file. + * @param {string} filePath The filename to load. + * @returns {ConfigData} The configuration object from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadLegacyConfigFile(filePath) { + debug$2(`Loading legacy config file: ${filePath}`); + + // lazy load YAML to improve performance when not used + const yaml = require$1("js-yaml"); + + try { + return yaml.load(stripComments__default["default"](readFile(filePath))) || /* istanbul ignore next */ {}; + } catch (e) { + debug$2("Error reading YAML file: %s\n%o", filePath, e); + e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`; + throw e; + } +} + +/** + * Loads a JavaScript configuration from a file. + * @param {string} filePath The filename to load. + * @returns {ConfigData} The configuration object from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadJSConfigFile(filePath) { + debug$2(`Loading JS config file: ${filePath}`); + try { + return importFresh__default["default"](filePath); + } catch (e) { + debug$2(`Error reading JavaScript file: ${filePath}`); + e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`; + throw e; + } +} + +/** + * Loads a configuration from a package.json file. + * @param {string} filePath The filename to load. + * @returns {ConfigData} The configuration object from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadPackageJSONConfigFile(filePath) { + debug$2(`Loading package.json config file: ${filePath}`); + try { + const packageData = loadJSONConfigFile(filePath); + + if (!Object.hasOwn(packageData, "eslintConfig")) { + throw Object.assign( + new Error("package.json file doesn't have 'eslintConfig' field."), + { code: "ESLINT_CONFIG_FIELD_NOT_FOUND" } + ); + } + + return packageData.eslintConfig; + } catch (e) { + debug$2(`Error reading package.json file: ${filePath}`); + e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`; + throw e; + } +} + +/** + * Loads a `.eslintignore` from a file. + * @param {string} filePath The filename to load. + * @returns {string[]} The ignore patterns from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadESLintIgnoreFile(filePath) { + debug$2(`Loading .eslintignore file: ${filePath}`); + + try { + return readFile(filePath) + .split(/\r?\n/gu) + .filter(line => line.trim() !== "" && !line.startsWith("#")); + } catch (e) { + debug$2(`Error reading .eslintignore file: ${filePath}`); + e.message = `Cannot read .eslintignore file: ${filePath}\nError: ${e.message}`; + throw e; + } +} + +/** + * Creates an error to notify about a missing config to extend from. + * @param {string} configName The name of the missing config. + * @param {string} importerName The name of the config that imported the missing config + * @param {string} messageTemplate The text template to source error strings from. + * @returns {Error} The error object to throw + * @private + */ +function configInvalidError(configName, importerName, messageTemplate) { + return Object.assign( + new Error(`Failed to load config "${configName}" to extend from.`), + { + messageTemplate, + messageData: { configName, importerName } + } + ); +} + +/** + * Loads a configuration file regardless of the source. Inspects the file path + * to determine the correctly way to load the config file. + * @param {string} filePath The path to the configuration. + * @returns {ConfigData|null} The configuration information. + * @private + */ +function loadConfigFile(filePath) { + switch (path__default["default"].extname(filePath)) { + case ".js": + case ".cjs": + return loadJSConfigFile(filePath); + + case ".json": + if (path__default["default"].basename(filePath) === "package.json") { + return loadPackageJSONConfigFile(filePath); + } + return loadJSONConfigFile(filePath); + + case ".yaml": + case ".yml": + return loadYAMLConfigFile(filePath); + + default: + return loadLegacyConfigFile(filePath); + } +} + +/** + * Write debug log. + * @param {string} request The requested module name. + * @param {string} relativeTo The file path to resolve the request relative to. + * @param {string} filePath The resolved file path. + * @returns {void} + */ +function writeDebugLogForLoading(request, relativeTo, filePath) { + /* istanbul ignore next */ + if (debug$2.enabled) { + let nameAndVersion = null; // eslint-disable-line no-useless-assignment -- known bug in the rule + + try { + const packageJsonPath = resolve( + `${request}/package.json`, + relativeTo + ); + const { version = "unknown" } = require$1(packageJsonPath); + + nameAndVersion = `${request}@${version}`; + } catch (error) { + debug$2("package.json was not found:", error.message); + nameAndVersion = request; + } + + debug$2("Loaded: %s (%s)", nameAndVersion, filePath); + } +} + +/** + * Create a new context with default values. + * @param {ConfigArrayFactoryInternalSlots} slots The internal slots. + * @param {"config" | "ignore" | "implicit-processor" | undefined} providedType The type of the current configuration. Default is `"config"`. + * @param {string | undefined} providedName The name of the current configuration. Default is the relative path from `cwd` to `filePath`. + * @param {string | undefined} providedFilePath The path to the current configuration. Default is empty string. + * @param {string | undefined} providedMatchBasePath The type of the current configuration. Default is the directory of `filePath` or `cwd`. + * @returns {ConfigArrayFactoryLoadingContext} The created context. + */ +function createContext( + { cwd, resolvePluginsRelativeTo }, + providedType, + providedName, + providedFilePath, + providedMatchBasePath +) { + const filePath = providedFilePath + ? path__default["default"].resolve(cwd, providedFilePath) + : ""; + const matchBasePath = + (providedMatchBasePath && path__default["default"].resolve(cwd, providedMatchBasePath)) || + (filePath && path__default["default"].dirname(filePath)) || + cwd; + const name = + providedName || + (filePath && path__default["default"].relative(cwd, filePath)) || + ""; + const pluginBasePath = + resolvePluginsRelativeTo || + (filePath && path__default["default"].dirname(filePath)) || + cwd; + const type = providedType || "config"; + + return { filePath, matchBasePath, name, pluginBasePath, type }; +} + +/** + * Normalize a given plugin. + * - Ensure the object to have four properties: configs, environments, processors, and rules. + * - Ensure the object to not have other properties. + * @param {Plugin} plugin The plugin to normalize. + * @returns {Plugin} The normalized plugin. + */ +function normalizePlugin(plugin) { + + // first check the cache + let normalizedPlugin = normalizedPlugins.get(plugin); + + if (normalizedPlugin) { + return normalizedPlugin; + } + + normalizedPlugin = { + configs: plugin.configs || {}, + environments: plugin.environments || {}, + processors: plugin.processors || {}, + rules: plugin.rules || {} + }; + + // save the reference for later + normalizedPlugins.set(plugin, normalizedPlugin); + + return normalizedPlugin; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * The factory of `ConfigArray` objects. + */ +class ConfigArrayFactory { + + /** + * Initialize this instance. + * @param {ConfigArrayFactoryOptions} [options] The map for additional plugins. + */ + constructor({ + additionalPluginPool = new Map(), + cwd = process.cwd(), + resolvePluginsRelativeTo, + builtInRules, + resolver = ModuleResolver, + eslintAllPath, + getEslintAllConfig, + eslintRecommendedPath, + getEslintRecommendedConfig + } = {}) { + internalSlotsMap$1.set(this, { + additionalPluginPool, + cwd, + resolvePluginsRelativeTo: + resolvePluginsRelativeTo && + path__default["default"].resolve(cwd, resolvePluginsRelativeTo), + builtInRules, + resolver, + eslintAllPath, + getEslintAllConfig, + eslintRecommendedPath, + getEslintRecommendedConfig + }); + } + + /** + * Create `ConfigArray` instance from a config data. + * @param {ConfigData|null} configData The config data to create. + * @param {Object} [options] The options. + * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`. + * @param {string} [options.filePath] The path to this config data. + * @param {string} [options.name] The config name. + * @returns {ConfigArray} Loaded config. + */ + create(configData, { basePath, filePath, name } = {}) { + if (!configData) { + return new ConfigArray(); + } + + const slots = internalSlotsMap$1.get(this); + const ctx = createContext(slots, "config", name, filePath, basePath); + const elements = this._normalizeConfigData(configData, ctx); + + return new ConfigArray(...elements); + } + + /** + * Load a config file. + * @param {string} filePath The path to a config file. + * @param {Object} [options] The options. + * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`. + * @param {string} [options.name] The config name. + * @returns {ConfigArray} Loaded config. + */ + loadFile(filePath, { basePath, name } = {}) { + const slots = internalSlotsMap$1.get(this); + const ctx = createContext(slots, "config", name, filePath, basePath); + + return new ConfigArray(...this._loadConfigData(ctx)); + } + + /** + * Load the config file on a given directory if exists. + * @param {string} directoryPath The path to a directory. + * @param {Object} [options] The options. + * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`. + * @param {string} [options.name] The config name. + * @throws {Error} If the config file is invalid. + * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist. + */ + loadInDirectory(directoryPath, { basePath, name } = {}) { + const slots = internalSlotsMap$1.get(this); + + for (const filename of configFilenames) { + const ctx = createContext( + slots, + "config", + name, + path__default["default"].join(directoryPath, filename), + basePath + ); + + if (fs__default["default"].existsSync(ctx.filePath) && fs__default["default"].statSync(ctx.filePath).isFile()) { + let configData; + + try { + configData = loadConfigFile(ctx.filePath); + } catch (error) { + if (!error || error.code !== "ESLINT_CONFIG_FIELD_NOT_FOUND") { + throw error; + } + } + + if (configData) { + debug$2(`Config file found: ${ctx.filePath}`); + return new ConfigArray( + ...this._normalizeConfigData(configData, ctx) + ); + } + } + } + + debug$2(`Config file not found on ${directoryPath}`); + return new ConfigArray(); + } + + /** + * Check if a config file on a given directory exists or not. + * @param {string} directoryPath The path to a directory. + * @returns {string | null} The path to the found config file. If not found then null. + */ + static getPathToConfigFileInDirectory(directoryPath) { + for (const filename of configFilenames) { + const filePath = path__default["default"].join(directoryPath, filename); + + if (fs__default["default"].existsSync(filePath)) { + if (filename === "package.json") { + try { + loadPackageJSONConfigFile(filePath); + return filePath; + } catch { /* ignore */ } + } else { + return filePath; + } + } + } + return null; + } + + /** + * Load `.eslintignore` file. + * @param {string} filePath The path to a `.eslintignore` file to load. + * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist. + */ + loadESLintIgnore(filePath) { + const slots = internalSlotsMap$1.get(this); + const ctx = createContext( + slots, + "ignore", + void 0, + filePath, + slots.cwd + ); + const ignorePatterns = loadESLintIgnoreFile(ctx.filePath); + + return new ConfigArray( + ...this._normalizeESLintIgnoreData(ignorePatterns, ctx) + ); + } + + /** + * Load `.eslintignore` file in the current working directory. + * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist. + * @throws {Error} If the ignore file is invalid. + */ + loadDefaultESLintIgnore() { + const slots = internalSlotsMap$1.get(this); + const eslintIgnorePath = path__default["default"].resolve(slots.cwd, ".eslintignore"); + const packageJsonPath = path__default["default"].resolve(slots.cwd, "package.json"); + + if (fs__default["default"].existsSync(eslintIgnorePath)) { + return this.loadESLintIgnore(eslintIgnorePath); + } + if (fs__default["default"].existsSync(packageJsonPath)) { + const data = loadJSONConfigFile(packageJsonPath); + + if (Object.hasOwn(data, "eslintIgnore")) { + if (!Array.isArray(data.eslintIgnore)) { + throw new Error("Package.json eslintIgnore property requires an array of paths"); + } + const ctx = createContext( + slots, + "ignore", + "eslintIgnore in package.json", + packageJsonPath, + slots.cwd + ); + + return new ConfigArray( + ...this._normalizeESLintIgnoreData(data.eslintIgnore, ctx) + ); + } + } + + return new ConfigArray(); + } + + /** + * Load a given config file. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} Loaded config. + * @private + */ + _loadConfigData(ctx) { + return this._normalizeConfigData(loadConfigFile(ctx.filePath), ctx); + } + + /** + * Normalize a given `.eslintignore` data to config array elements. + * @param {string[]} ignorePatterns The patterns to ignore files. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @private + */ + *_normalizeESLintIgnoreData(ignorePatterns, ctx) { + const elements = this._normalizeObjectConfigData( + { ignorePatterns }, + ctx + ); + + // Set `ignorePattern.loose` flag for backward compatibility. + for (const element of elements) { + if (element.ignorePattern) { + element.ignorePattern.loose = true; + } + yield element; + } + } + + /** + * Normalize a given config to an array. + * @param {ConfigData} configData The config data to normalize. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @private + */ + _normalizeConfigData(configData, ctx) { + const validator = new ConfigValidator(); + + validator.validateConfigSchema(configData, ctx.name || ctx.filePath); + return this._normalizeObjectConfigData(configData, ctx); + } + + /** + * Normalize a given config to an array. + * @param {ConfigData|OverrideConfigData} configData The config data to normalize. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @private + */ + *_normalizeObjectConfigData(configData, ctx) { + const { files, excludedFiles, ...configBody } = configData; + const criteria = OverrideTester.create( + files, + excludedFiles, + ctx.matchBasePath + ); + const elements = this._normalizeObjectConfigDataBody(configBody, ctx); + + // Apply the criteria to every element. + for (const element of elements) { + + /* + * Merge the criteria. + * This is for the `overrides` entries that came from the + * configurations of `overrides[].extends`. + */ + element.criteria = OverrideTester.and(criteria, element.criteria); + + /* + * Remove `root` property to ignore `root` settings which came from + * `extends` in `overrides`. + */ + if (element.criteria) { + element.root = void 0; + } + + yield element; + } + } + + /** + * Normalize a given config to an array. + * @param {ConfigData} configData The config data to normalize. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @private + */ + *_normalizeObjectConfigDataBody( + { + env, + extends: extend, + globals, + ignorePatterns, + noInlineConfig, + parser: parserName, + parserOptions, + plugins: pluginList, + processor, + reportUnusedDisableDirectives, + root, + rules, + settings, + overrides: overrideList = [] + }, + ctx + ) { + const extendList = Array.isArray(extend) ? extend : [extend]; + const ignorePattern = ignorePatterns && new IgnorePattern( + Array.isArray(ignorePatterns) ? ignorePatterns : [ignorePatterns], + ctx.matchBasePath + ); + + // Flatten `extends`. + for (const extendName of extendList.filter(Boolean)) { + yield* this._loadExtends(extendName, ctx); + } + + // Load parser & plugins. + const parser = parserName && this._loadParser(parserName, ctx); + const plugins = pluginList && this._loadPlugins(pluginList, ctx); + + // Yield pseudo config data for file extension processors. + if (plugins) { + yield* this._takeFileExtensionProcessors(plugins, ctx); + } + + // Yield the config data except `extends` and `overrides`. + yield { + + // Debug information. + type: ctx.type, + name: ctx.name, + filePath: ctx.filePath, + + // Config data. + criteria: null, + env, + globals, + ignorePattern, + noInlineConfig, + parser, + parserOptions, + plugins, + processor, + reportUnusedDisableDirectives, + root, + rules, + settings + }; + + // Flatten `overries`. + for (let i = 0; i < overrideList.length; ++i) { + yield* this._normalizeObjectConfigData( + overrideList[i], + { ...ctx, name: `${ctx.name}#overrides[${i}]` } + ); + } + } + + /** + * Load configs of an element in `extends`. + * @param {string} extendName The name of a base config. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @throws {Error} If the extended config file can't be loaded. + * @private + */ + _loadExtends(extendName, ctx) { + debug$2("Loading {extends:%j} relative to %s", extendName, ctx.filePath); + try { + if (extendName.startsWith("eslint:")) { + return this._loadExtendedBuiltInConfig(extendName, ctx); + } + if (extendName.startsWith("plugin:")) { + return this._loadExtendedPluginConfig(extendName, ctx); + } + return this._loadExtendedShareableConfig(extendName, ctx); + } catch (error) { + error.message += `\nReferenced from: ${ctx.filePath || ctx.name}`; + throw error; + } + } + + /** + * Load configs of an element in `extends`. + * @param {string} extendName The name of a base config. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @throws {Error} If the extended config file can't be loaded. + * @private + */ + _loadExtendedBuiltInConfig(extendName, ctx) { + const { + eslintAllPath, + getEslintAllConfig, + eslintRecommendedPath, + getEslintRecommendedConfig + } = internalSlotsMap$1.get(this); + + if (extendName === "eslint:recommended") { + const name = `${ctx.name} » ${extendName}`; + + if (getEslintRecommendedConfig) { + if (typeof getEslintRecommendedConfig !== "function") { + throw new Error(`getEslintRecommendedConfig must be a function instead of '${getEslintRecommendedConfig}'`); + } + return this._normalizeConfigData(getEslintRecommendedConfig(), { ...ctx, name, filePath: "" }); + } + return this._loadConfigData({ + ...ctx, + name, + filePath: eslintRecommendedPath + }); + } + if (extendName === "eslint:all") { + const name = `${ctx.name} » ${extendName}`; + + if (getEslintAllConfig) { + if (typeof getEslintAllConfig !== "function") { + throw new Error(`getEslintAllConfig must be a function instead of '${getEslintAllConfig}'`); + } + return this._normalizeConfigData(getEslintAllConfig(), { ...ctx, name, filePath: "" }); + } + return this._loadConfigData({ + ...ctx, + name, + filePath: eslintAllPath + }); + } + + throw configInvalidError(extendName, ctx.name, "extend-config-missing"); + } + + /** + * Load configs of an element in `extends`. + * @param {string} extendName The name of a base config. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @throws {Error} If the extended config file can't be loaded. + * @private + */ + _loadExtendedPluginConfig(extendName, ctx) { + const slashIndex = extendName.lastIndexOf("/"); + + if (slashIndex === -1) { + throw configInvalidError(extendName, ctx.filePath, "plugin-invalid"); + } + + const pluginName = extendName.slice("plugin:".length, slashIndex); + const configName = extendName.slice(slashIndex + 1); + + if (isFilePath(pluginName)) { + throw new Error("'extends' cannot use a file path for plugins."); + } + + const plugin = this._loadPlugin(pluginName, ctx); + const configData = + plugin.definition && + plugin.definition.configs[configName]; + + if (configData) { + return this._normalizeConfigData(configData, { + ...ctx, + filePath: plugin.filePath || ctx.filePath, + name: `${ctx.name} » plugin:${plugin.id}/${configName}` + }); + } + + throw plugin.error || configInvalidError(extendName, ctx.filePath, "extend-config-missing"); + } + + /** + * Load configs of an element in `extends`. + * @param {string} extendName The name of a base config. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @throws {Error} If the extended config file can't be loaded. + * @private + */ + _loadExtendedShareableConfig(extendName, ctx) { + const { cwd, resolver } = internalSlotsMap$1.get(this); + const relativeTo = ctx.filePath || path__default["default"].join(cwd, "__placeholder__.js"); + let request; + + if (isFilePath(extendName)) { + request = extendName; + } else if (extendName.startsWith(".")) { + request = `./${extendName}`; // For backward compatibility. A ton of tests depended on this behavior. + } else { + request = normalizePackageName( + extendName, + "eslint-config" + ); + } + + let filePath; + + try { + filePath = resolver.resolve(request, relativeTo); + } catch (error) { + /* istanbul ignore else */ + if (error && error.code === "MODULE_NOT_FOUND") { + throw configInvalidError(extendName, ctx.filePath, "extend-config-missing"); + } + throw error; + } + + writeDebugLogForLoading(request, relativeTo, filePath); + return this._loadConfigData({ + ...ctx, + filePath, + name: `${ctx.name} » ${request}` + }); + } + + /** + * Load given plugins. + * @param {string[]} names The plugin names to load. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {Record} The loaded parser. + * @private + */ + _loadPlugins(names, ctx) { + return names.reduce((map, name) => { + if (isFilePath(name)) { + throw new Error("Plugins array cannot includes file paths."); + } + const plugin = this._loadPlugin(name, ctx); + + map[plugin.id] = plugin; + + return map; + }, {}); + } + + /** + * Load a given parser. + * @param {string} nameOrPath The package name or the path to a parser file. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {DependentParser} The loaded parser. + */ + _loadParser(nameOrPath, ctx) { + debug$2("Loading parser %j from %s", nameOrPath, ctx.filePath); + + const { cwd, resolver } = internalSlotsMap$1.get(this); + const relativeTo = ctx.filePath || path__default["default"].join(cwd, "__placeholder__.js"); + + try { + const filePath = resolver.resolve(nameOrPath, relativeTo); + + writeDebugLogForLoading(nameOrPath, relativeTo, filePath); + + return new ConfigDependency({ + definition: require$1(filePath), + filePath, + id: nameOrPath, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } catch (error) { + + // If the parser name is "espree", load the espree of ESLint. + if (nameOrPath === "espree") { + debug$2("Fallback espree."); + return new ConfigDependency({ + definition: require$1("espree"), + filePath: require$1.resolve("espree"), + id: nameOrPath, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } + + debug$2("Failed to load parser '%s' declared in '%s'.", nameOrPath, ctx.name); + error.message = `Failed to load parser '${nameOrPath}' declared in '${ctx.name}': ${error.message}`; + + return new ConfigDependency({ + error, + id: nameOrPath, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } + } + + /** + * Load a given plugin. + * @param {string} name The plugin name to load. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {DependentPlugin} The loaded plugin. + * @private + */ + _loadPlugin(name, ctx) { + debug$2("Loading plugin %j from %s", name, ctx.filePath); + + const { additionalPluginPool, resolver } = internalSlotsMap$1.get(this); + const request = normalizePackageName(name, "eslint-plugin"); + const id = getShorthandName(request, "eslint-plugin"); + const relativeTo = path__default["default"].join(ctx.pluginBasePath, "__placeholder__.js"); + + if (name.match(/\s+/u)) { + const error = Object.assign( + new Error(`Whitespace found in plugin name '${name}'`), + { + messageTemplate: "whitespace-found", + messageData: { pluginName: request } + } + ); + + return new ConfigDependency({ + error, + id, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } + + // Check for additional pool. + const plugin = + additionalPluginPool.get(request) || + additionalPluginPool.get(id); + + if (plugin) { + return new ConfigDependency({ + definition: normalizePlugin(plugin), + original: plugin, + filePath: "", // It's unknown where the plugin came from. + id, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } + + let filePath; + let error; + + try { + filePath = resolver.resolve(request, relativeTo); + } catch (resolveError) { + error = resolveError; + /* istanbul ignore else */ + if (error && error.code === "MODULE_NOT_FOUND") { + error.messageTemplate = "plugin-missing"; + error.messageData = { + pluginName: request, + resolvePluginsRelativeTo: ctx.pluginBasePath, + importerName: ctx.name + }; + } + } + + if (filePath) { + try { + writeDebugLogForLoading(request, relativeTo, filePath); + + const startTime = Date.now(); + const pluginDefinition = require$1(filePath); + + debug$2(`Plugin ${filePath} loaded in: ${Date.now() - startTime}ms`); + + return new ConfigDependency({ + definition: normalizePlugin(pluginDefinition), + original: pluginDefinition, + filePath, + id, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } catch (loadError) { + error = loadError; + } + } + + debug$2("Failed to load plugin '%s' declared in '%s'.", name, ctx.name); + error.message = `Failed to load plugin '${name}' declared in '${ctx.name}': ${error.message}`; + return new ConfigDependency({ + error, + id, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } + + /** + * Take file expression processors as config array elements. + * @param {Record} plugins The plugin definitions. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The config array elements of file expression processors. + * @private + */ + *_takeFileExtensionProcessors(plugins, ctx) { + for (const pluginId of Object.keys(plugins)) { + const processors = + plugins[pluginId] && + plugins[pluginId].definition && + plugins[pluginId].definition.processors; + + if (!processors) { + continue; + } + + for (const processorId of Object.keys(processors)) { + if (processorId.startsWith(".")) { + yield* this._normalizeObjectConfigData( + { + files: [`*${processorId}`], + processor: `${pluginId}/${processorId}` + }, + { + ...ctx, + type: "implicit-processor", + name: `${ctx.name}#processors["${pluginId}/${processorId}"]` + } + ); + } + } + } + } +} + +/** + * @fileoverview `CascadingConfigArrayFactory` class. + * + * `CascadingConfigArrayFactory` class has a responsibility: + * + * 1. Handles cascading of config files. + * + * It provides two methods: + * + * - `getConfigArrayForFile(filePath)` + * Get the corresponded configuration of a given file. This method doesn't + * throw even if the given file didn't exist. + * - `clearCache()` + * Clear the internal cache. You have to call this method when + * `additionalPluginPool` was updated if `baseConfig` or `cliConfig` depends + * on the additional plugins. (`CLIEngine#addPlugin()` method calls this.) + * + * @author Toru Nagashima + */ + +const debug$1 = debugOrig__default["default"]("eslintrc:cascading-config-array-factory"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +// Define types for VSCode IntelliSense. +/** @typedef {import("./shared/types").ConfigData} ConfigData */ +/** @typedef {import("./shared/types").Parser} Parser */ +/** @typedef {import("./shared/types").Plugin} Plugin */ +/** @typedef {import("./shared/types").Rule} Rule */ +/** @typedef {ReturnType} ConfigArray */ + +/** + * @typedef {Object} CascadingConfigArrayFactoryOptions + * @property {Map} [additionalPluginPool] The map for additional plugins. + * @property {ConfigData} [baseConfig] The config by `baseConfig` option. + * @property {ConfigData} [cliConfig] The config by CLI options (`--env`, `--global`, `--ignore-pattern`, `--parser`, `--parser-options`, `--plugin`, and `--rule`). CLI options overwrite the setting in config files. + * @property {string} [cwd] The base directory to start lookup. + * @property {string} [ignorePath] The path to the alternative file of `.eslintignore`. + * @property {string[]} [rulePaths] The value of `--rulesdir` option. + * @property {string} [specificConfigPath] The value of `--config` option. + * @property {boolean} [useEslintrc] if `false` then it doesn't load config files. + * @property {Function} loadRules The function to use to load rules. + * @property {Map} builtInRules The rules that are built in to ESLint. + * @property {Object} [resolver=ModuleResolver] The module resolver object. + * @property {string} eslintAllPath The path to the definitions for eslint:all. + * @property {Function} getEslintAllConfig Returns the config data for eslint:all. + * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended. + * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended. + */ + +/** + * @typedef {Object} CascadingConfigArrayFactoryInternalSlots + * @property {ConfigArray} baseConfigArray The config array of `baseConfig` option. + * @property {ConfigData} baseConfigData The config data of `baseConfig` option. This is used to reset `baseConfigArray`. + * @property {ConfigArray} cliConfigArray The config array of CLI options. + * @property {ConfigData} cliConfigData The config data of CLI options. This is used to reset `cliConfigArray`. + * @property {ConfigArrayFactory} configArrayFactory The factory for config arrays. + * @property {Map} configCache The cache from directory paths to config arrays. + * @property {string} cwd The base directory to start lookup. + * @property {WeakMap} finalizeCache The cache from config arrays to finalized config arrays. + * @property {string} [ignorePath] The path to the alternative file of `.eslintignore`. + * @property {string[]|null} rulePaths The value of `--rulesdir` option. This is used to reset `baseConfigArray`. + * @property {string|null} specificConfigPath The value of `--config` option. This is used to reset `cliConfigArray`. + * @property {boolean} useEslintrc if `false` then it doesn't load config files. + * @property {Function} loadRules The function to use to load rules. + * @property {Map} builtInRules The rules that are built in to ESLint. + * @property {Object} [resolver=ModuleResolver] The module resolver object. + * @property {string} eslintAllPath The path to the definitions for eslint:all. + * @property {Function} getEslintAllConfig Returns the config data for eslint:all. + * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended. + * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended. + */ + +/** @type {WeakMap} */ +const internalSlotsMap = new WeakMap(); + +/** + * Create the config array from `baseConfig` and `rulePaths`. + * @param {CascadingConfigArrayFactoryInternalSlots} slots The slots. + * @returns {ConfigArray} The config array of the base configs. + */ +function createBaseConfigArray({ + configArrayFactory, + baseConfigData, + rulePaths, + cwd, + loadRules +}) { + const baseConfigArray = configArrayFactory.create( + baseConfigData, + { name: "BaseConfig" } + ); + + /* + * Create the config array element for the default ignore patterns. + * This element has `ignorePattern` property that ignores the default + * patterns in the current working directory. + */ + baseConfigArray.unshift(configArrayFactory.create( + { ignorePatterns: IgnorePattern.DefaultPatterns }, + { name: "DefaultIgnorePattern" } + )[0]); + + /* + * Load rules `--rulesdir` option as a pseudo plugin. + * Use a pseudo plugin to define rules of `--rulesdir`, so we can validate + * the rule's options with only information in the config array. + */ + if (rulePaths && rulePaths.length > 0) { + baseConfigArray.push({ + type: "config", + name: "--rulesdir", + filePath: "", + plugins: { + "": new ConfigDependency({ + definition: { + rules: rulePaths.reduce( + (map, rulesPath) => Object.assign( + map, + loadRules(rulesPath, cwd) + ), + {} + ) + }, + filePath: "", + id: "", + importerName: "--rulesdir", + importerPath: "" + }) + } + }); + } + + return baseConfigArray; +} + +/** + * Create the config array from CLI options. + * @param {CascadingConfigArrayFactoryInternalSlots} slots The slots. + * @returns {ConfigArray} The config array of the base configs. + */ +function createCLIConfigArray({ + cliConfigData, + configArrayFactory, + cwd, + ignorePath, + specificConfigPath +}) { + const cliConfigArray = configArrayFactory.create( + cliConfigData, + { name: "CLIOptions" } + ); + + cliConfigArray.unshift( + ...(ignorePath + ? configArrayFactory.loadESLintIgnore(ignorePath) + : configArrayFactory.loadDefaultESLintIgnore()) + ); + + if (specificConfigPath) { + cliConfigArray.unshift( + ...configArrayFactory.loadFile( + specificConfigPath, + { name: "--config", basePath: cwd } + ) + ); + } + + return cliConfigArray; +} + +/** + * The error type when there are files matched by a glob, but all of them have been ignored. + */ +class ConfigurationNotFoundError extends Error { + + + /** + * @param {string} directoryPath The directory path. + */ + constructor(directoryPath) { + super(`No ESLint configuration found in ${directoryPath}.`); + this.messageTemplate = "no-config-found"; + this.messageData = { directoryPath }; + } +} + +/** + * This class provides the functionality that enumerates every file which is + * matched by given glob patterns and that configuration. + */ +class CascadingConfigArrayFactory { + + /** + * Initialize this enumerator. + * @param {CascadingConfigArrayFactoryOptions} options The options. + */ + constructor({ + additionalPluginPool = new Map(), + baseConfig: baseConfigData = null, + cliConfig: cliConfigData = null, + cwd = process.cwd(), + ignorePath, + resolvePluginsRelativeTo, + rulePaths = [], + specificConfigPath = null, + useEslintrc = true, + builtInRules = new Map(), + loadRules, + resolver, + eslintRecommendedPath, + getEslintRecommendedConfig, + eslintAllPath, + getEslintAllConfig + } = {}) { + const configArrayFactory = new ConfigArrayFactory({ + additionalPluginPool, + cwd, + resolvePluginsRelativeTo, + builtInRules, + resolver, + eslintRecommendedPath, + getEslintRecommendedConfig, + eslintAllPath, + getEslintAllConfig + }); + + internalSlotsMap.set(this, { + baseConfigArray: createBaseConfigArray({ + baseConfigData, + configArrayFactory, + cwd, + rulePaths, + loadRules + }), + baseConfigData, + cliConfigArray: createCLIConfigArray({ + cliConfigData, + configArrayFactory, + cwd, + ignorePath, + specificConfigPath + }), + cliConfigData, + configArrayFactory, + configCache: new Map(), + cwd, + finalizeCache: new WeakMap(), + ignorePath, + rulePaths, + specificConfigPath, + useEslintrc, + builtInRules, + loadRules + }); + } + + /** + * The path to the current working directory. + * This is used by tests. + * @type {string} + */ + get cwd() { + const { cwd } = internalSlotsMap.get(this); + + return cwd; + } + + /** + * Get the config array of a given file. + * If `filePath` was not given, it returns the config which contains only + * `baseConfigData` and `cliConfigData`. + * @param {string} [filePath] The file path to a file. + * @param {Object} [options] The options. + * @param {boolean} [options.ignoreNotFoundError] If `true` then it doesn't throw `ConfigurationNotFoundError`. + * @returns {ConfigArray} The config array of the file. + */ + getConfigArrayForFile(filePath, { ignoreNotFoundError = false } = {}) { + const { + baseConfigArray, + cliConfigArray, + cwd + } = internalSlotsMap.get(this); + + if (!filePath) { + return new ConfigArray(...baseConfigArray, ...cliConfigArray); + } + + const directoryPath = path__default["default"].dirname(path__default["default"].resolve(cwd, filePath)); + + debug$1(`Load config files for ${directoryPath}.`); + + return this._finalizeConfigArray( + this._loadConfigInAncestors(directoryPath), + directoryPath, + ignoreNotFoundError + ); + } + + /** + * Set the config data to override all configs. + * Require to call `clearCache()` method after this method is called. + * @param {ConfigData} configData The config data to override all configs. + * @returns {void} + */ + setOverrideConfig(configData) { + const slots = internalSlotsMap.get(this); + + slots.cliConfigData = configData; + } + + /** + * Clear config cache. + * @returns {void} + */ + clearCache() { + const slots = internalSlotsMap.get(this); + + slots.baseConfigArray = createBaseConfigArray(slots); + slots.cliConfigArray = createCLIConfigArray(slots); + slots.configCache.clear(); + } + + /** + * Load and normalize config files from the ancestor directories. + * @param {string} directoryPath The path to a leaf directory. + * @param {boolean} configsExistInSubdirs `true` if configurations exist in subdirectories. + * @returns {ConfigArray} The loaded config. + * @throws {Error} If a config file is invalid. + * @private + */ + _loadConfigInAncestors(directoryPath, configsExistInSubdirs = false) { + const { + baseConfigArray, + configArrayFactory, + configCache, + cwd, + useEslintrc + } = internalSlotsMap.get(this); + + if (!useEslintrc) { + return baseConfigArray; + } + + let configArray = configCache.get(directoryPath); + + // Hit cache. + if (configArray) { + debug$1(`Cache hit: ${directoryPath}.`); + return configArray; + } + debug$1(`No cache found: ${directoryPath}.`); + + const homePath = os__default["default"].homedir(); + + // Consider this is root. + if (directoryPath === homePath && cwd !== homePath) { + debug$1("Stop traversing because of considered root."); + if (configsExistInSubdirs) { + const filePath = ConfigArrayFactory.getPathToConfigFileInDirectory(directoryPath); + + if (filePath) { + emitDeprecationWarning( + filePath, + "ESLINT_PERSONAL_CONFIG_SUPPRESS" + ); + } + } + return this._cacheConfig(directoryPath, baseConfigArray); + } + + // Load the config on this directory. + try { + configArray = configArrayFactory.loadInDirectory(directoryPath); + } catch (error) { + /* istanbul ignore next */ + if (error.code === "EACCES") { + debug$1("Stop traversing because of 'EACCES' error."); + return this._cacheConfig(directoryPath, baseConfigArray); + } + throw error; + } + + if (configArray.length > 0 && configArray.isRoot()) { + debug$1("Stop traversing because of 'root:true'."); + configArray.unshift(...baseConfigArray); + return this._cacheConfig(directoryPath, configArray); + } + + // Load from the ancestors and merge it. + const parentPath = path__default["default"].dirname(directoryPath); + const parentConfigArray = parentPath && parentPath !== directoryPath + ? this._loadConfigInAncestors( + parentPath, + configsExistInSubdirs || configArray.length > 0 + ) + : baseConfigArray; + + if (configArray.length > 0) { + configArray.unshift(...parentConfigArray); + } else { + configArray = parentConfigArray; + } + + // Cache and return. + return this._cacheConfig(directoryPath, configArray); + } + + /** + * Freeze and cache a given config. + * @param {string} directoryPath The path to a directory as a cache key. + * @param {ConfigArray} configArray The config array as a cache value. + * @returns {ConfigArray} The `configArray` (frozen). + */ + _cacheConfig(directoryPath, configArray) { + const { configCache } = internalSlotsMap.get(this); + + Object.freeze(configArray); + configCache.set(directoryPath, configArray); + + return configArray; + } + + /** + * Finalize a given config array. + * Concatenate `--config` and other CLI options. + * @param {ConfigArray} configArray The parent config array. + * @param {string} directoryPath The path to the leaf directory to find config files. + * @param {boolean} ignoreNotFoundError If `true` then it doesn't throw `ConfigurationNotFoundError`. + * @returns {ConfigArray} The loaded config. + * @throws {Error} If a config file is invalid. + * @private + */ + _finalizeConfigArray(configArray, directoryPath, ignoreNotFoundError) { + const { + cliConfigArray, + configArrayFactory, + finalizeCache, + useEslintrc, + builtInRules + } = internalSlotsMap.get(this); + + let finalConfigArray = finalizeCache.get(configArray); + + if (!finalConfigArray) { + finalConfigArray = configArray; + + // Load the personal config if there are no regular config files. + if ( + useEslintrc && + configArray.every(c => !c.filePath) && + cliConfigArray.every(c => !c.filePath) // `--config` option can be a file. + ) { + const homePath = os__default["default"].homedir(); + + debug$1("Loading the config file of the home directory:", homePath); + + const personalConfigArray = configArrayFactory.loadInDirectory( + homePath, + { name: "PersonalConfig" } + ); + + if ( + personalConfigArray.length > 0 && + !directoryPath.startsWith(homePath) + ) { + const lastElement = + personalConfigArray.at(-1); + + emitDeprecationWarning( + lastElement.filePath, + "ESLINT_PERSONAL_CONFIG_LOAD" + ); + } + + finalConfigArray = finalConfigArray.concat(personalConfigArray); + } + + // Apply CLI options. + if (cliConfigArray.length > 0) { + finalConfigArray = finalConfigArray.concat(cliConfigArray); + } + + // Validate rule settings and environments. + const validator = new ConfigValidator({ + builtInRules + }); + + validator.validateConfigArray(finalConfigArray); + + // Cache it. + Object.freeze(finalConfigArray); + finalizeCache.set(configArray, finalConfigArray); + + debug$1( + "Configuration was determined: %o on %s", + finalConfigArray, + directoryPath + ); + } + + // At least one element (the default ignore patterns) exists. + if (!ignoreNotFoundError && useEslintrc && finalConfigArray.length <= 1) { + throw new ConfigurationNotFoundError(directoryPath); + } + + return finalConfigArray; + } +} + +/** + * @fileoverview Compatibility class for flat config. + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/** @typedef {import("../../shared/types").Environment} Environment */ +/** @typedef {import("../../shared/types").Processor} Processor */ + +const debug = debugOrig__default["default"]("eslintrc:flat-compat"); +const cafactory = Symbol("cafactory"); + +/** + * Translates an ESLintRC-style config object into a flag-config-style config + * object. + * @param {Object} eslintrcConfig An ESLintRC-style config object. + * @param {Object} options Options to help translate the config. + * @param {string} options.resolveConfigRelativeTo To the directory to resolve + * configs from. + * @param {string} options.resolvePluginsRelativeTo The directory to resolve + * plugins from. + * @param {ReadOnlyMap} options.pluginEnvironments A map of plugin environment + * names to objects. + * @param {ReadOnlyMap} options.pluginProcessors A map of plugin processor + * names to objects. + * @returns {Object} A flag-config-style config object. + * @throws {Error} If a plugin or environment cannot be resolved. + */ +function translateESLintRC(eslintrcConfig, { + resolveConfigRelativeTo, + resolvePluginsRelativeTo, + pluginEnvironments, + pluginProcessors +}) { + + const flatConfig = {}; + const configs = []; + const languageOptions = {}; + const linterOptions = {}; + const keysToCopy = ["settings", "rules", "processor"]; + const languageOptionsKeysToCopy = ["globals", "parser", "parserOptions"]; + const linterOptionsKeysToCopy = ["noInlineConfig", "reportUnusedDisableDirectives"]; + + // copy over simple translations + for (const key of keysToCopy) { + if (key in eslintrcConfig && typeof eslintrcConfig[key] !== "undefined") { + flatConfig[key] = eslintrcConfig[key]; + } + } + + // copy over languageOptions + for (const key of languageOptionsKeysToCopy) { + if (key in eslintrcConfig && typeof eslintrcConfig[key] !== "undefined") { + + // create the languageOptions key in the flat config + flatConfig.languageOptions = languageOptions; + + if (key === "parser") { + debug(`Resolving parser '${languageOptions[key]}' relative to ${resolveConfigRelativeTo}`); + + if (eslintrcConfig[key].error) { + throw eslintrcConfig[key].error; + } + + languageOptions[key] = eslintrcConfig[key].definition; + continue; + } + + // clone any object values that are in the eslintrc config + if (eslintrcConfig[key] && typeof eslintrcConfig[key] === "object") { + languageOptions[key] = { + ...eslintrcConfig[key] + }; + } else { + languageOptions[key] = eslintrcConfig[key]; + } + } + } + + // copy over linterOptions + for (const key of linterOptionsKeysToCopy) { + if (key in eslintrcConfig && typeof eslintrcConfig[key] !== "undefined") { + flatConfig.linterOptions = linterOptions; + linterOptions[key] = eslintrcConfig[key]; + } + } + + // move ecmaVersion a level up + if (languageOptions.parserOptions) { + + if ("ecmaVersion" in languageOptions.parserOptions) { + languageOptions.ecmaVersion = languageOptions.parserOptions.ecmaVersion; + delete languageOptions.parserOptions.ecmaVersion; + } + + if ("sourceType" in languageOptions.parserOptions) { + languageOptions.sourceType = languageOptions.parserOptions.sourceType; + delete languageOptions.parserOptions.sourceType; + } + + // check to see if we even need parserOptions anymore and remove it if not + if (Object.keys(languageOptions.parserOptions).length === 0) { + delete languageOptions.parserOptions; + } + } + + // overrides + if (eslintrcConfig.criteria) { + flatConfig.files = [absoluteFilePath => eslintrcConfig.criteria.test(absoluteFilePath)]; + } + + // translate plugins + if (eslintrcConfig.plugins && typeof eslintrcConfig.plugins === "object") { + debug(`Translating plugins: ${eslintrcConfig.plugins}`); + + flatConfig.plugins = {}; + + for (const pluginName of Object.keys(eslintrcConfig.plugins)) { + + debug(`Translating plugin: ${pluginName}`); + debug(`Resolving plugin '${pluginName} relative to ${resolvePluginsRelativeTo}`); + + const { original: plugin, error } = eslintrcConfig.plugins[pluginName]; + + if (error) { + throw error; + } + + flatConfig.plugins[pluginName] = plugin; + + // create a config for any processors + if (plugin.processors) { + for (const processorName of Object.keys(plugin.processors)) { + if (processorName.startsWith(".")) { + debug(`Assigning processor: ${pluginName}/${processorName}`); + + configs.unshift({ + files: [`**/*${processorName}`], + processor: pluginProcessors.get(`${pluginName}/${processorName}`) + }); + } + + } + } + } + } + + // translate env - must come after plugins + if (eslintrcConfig.env && typeof eslintrcConfig.env === "object") { + for (const envName of Object.keys(eslintrcConfig.env)) { + + // only add environments that are true + if (eslintrcConfig.env[envName]) { + debug(`Translating environment: ${envName}`); + + if (environments.has(envName)) { + + // built-in environments should be defined first + configs.unshift(...translateESLintRC({ + criteria: eslintrcConfig.criteria, + ...environments.get(envName) + }, { + resolveConfigRelativeTo, + resolvePluginsRelativeTo + })); + } else if (pluginEnvironments.has(envName)) { + + // if the environment comes from a plugin, it should come after the plugin config + configs.push(...translateESLintRC({ + criteria: eslintrcConfig.criteria, + ...pluginEnvironments.get(envName) + }, { + resolveConfigRelativeTo, + resolvePluginsRelativeTo + })); + } + } + } + } + + // only add if there are actually keys in the config + if (Object.keys(flatConfig).length > 0) { + configs.push(flatConfig); + } + + return configs; +} + + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * A compatibility class for working with configs. + */ +class FlatCompat { + + constructor({ + baseDirectory = process.cwd(), + resolvePluginsRelativeTo = baseDirectory, + recommendedConfig, + allConfig + } = {}) { + this.baseDirectory = baseDirectory; + this.resolvePluginsRelativeTo = resolvePluginsRelativeTo; + this[cafactory] = new ConfigArrayFactory({ + cwd: baseDirectory, + resolvePluginsRelativeTo, + getEslintAllConfig() { + + if (!allConfig) { + throw new TypeError("Missing parameter 'allConfig' in FlatCompat constructor."); + } + + // remove name property if it exists + const config = { ...allConfig }; + + delete config.name; + + return config; + }, + getEslintRecommendedConfig() { + + if (!recommendedConfig) { + throw new TypeError("Missing parameter 'recommendedConfig' in FlatCompat constructor."); + } + + // remove name property if it exists + const config = { ...recommendedConfig }; + + delete config.name; + + return config; + } + }); + } + + /** + * Translates an ESLintRC-style config into a flag-config-style config. + * @param {Object} eslintrcConfig The ESLintRC-style config object. + * @returns {Object} A flag-config-style config object. + */ + config(eslintrcConfig) { + const eslintrcArray = this[cafactory].create(eslintrcConfig, { + basePath: this.baseDirectory + }); + + const flatArray = []; + let hasIgnorePatterns = false; + + eslintrcArray.forEach(configData => { + if (configData.type === "config") { + hasIgnorePatterns = hasIgnorePatterns || configData.ignorePattern; + flatArray.push(...translateESLintRC(configData, { + resolveConfigRelativeTo: path__default["default"].join(this.baseDirectory, "__placeholder.js"), + resolvePluginsRelativeTo: path__default["default"].join(this.resolvePluginsRelativeTo, "__placeholder.js"), + pluginEnvironments: eslintrcArray.pluginEnvironments, + pluginProcessors: eslintrcArray.pluginProcessors + })); + } + }); + + // combine ignorePatterns to emulate ESLintRC behavior better + if (hasIgnorePatterns) { + flatArray.unshift({ + ignores: [filePath => { + + // Compute the final config for this file. + // This filters config array elements by `files`/`excludedFiles` then merges the elements. + const finalConfig = eslintrcArray.extractConfig(filePath); + + // Test the `ignorePattern` properties of the final config. + return Boolean(finalConfig.ignores) && finalConfig.ignores(filePath); + }] + }); + } + + return flatArray; + } + + /** + * Translates the `env` section of an ESLintRC-style config. + * @param {Object} envConfig The `env` section of an ESLintRC config. + * @returns {Object[]} An array of flag-config objects representing the environments. + */ + env(envConfig) { + return this.config({ + env: envConfig + }); + } + + /** + * Translates the `extends` section of an ESLintRC-style config. + * @param {...string} configsToExtend The names of the configs to load. + * @returns {Object[]} An array of flag-config objects representing the config. + */ + extends(...configsToExtend) { + return this.config({ + extends: configsToExtend + }); + } + + /** + * Translates the `plugins` section of an ESLintRC-style config. + * @param {...string} plugins The names of the plugins to load. + * @returns {Object[]} An array of flag-config objects representing the plugins. + */ + plugins(...plugins) { + return this.config({ + plugins + }); + } +} + +/** + * @fileoverview Package exports for @eslint/eslintrc + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +const Legacy = { + ConfigArray, + createConfigArrayFactoryContext: createContext, + CascadingConfigArrayFactory, + ConfigArrayFactory, + ConfigDependency, + ExtractedConfig, + IgnorePattern, + OverrideTester, + getUsedExtractedConfigs, + environments, + loadConfigFile, + + // shared + ConfigOps, + ConfigValidator, + ModuleResolver, + naming +}; + +exports.FlatCompat = FlatCompat; +exports.Legacy = Legacy; +//# sourceMappingURL=eslintrc.cjs.map diff --git a/module/node_modules/@eslint/eslintrc/dist/eslintrc.cjs.map b/module/node_modules/@eslint/eslintrc/dist/eslintrc.cjs.map new file mode 100644 index 000000000..857c64751 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/dist/eslintrc.cjs.map @@ -0,0 +1 @@ +{"version":3,"file":"eslintrc.cjs","sources":["../lib/config-array/ignore-pattern.js","../lib/config-array/extracted-config.js","../lib/config-array/config-array.js","../lib/config-array/config-dependency.js","../lib/config-array/override-tester.js","../lib/config-array/index.js","../lib/shared/config-ops.js","../lib/shared/deprecation-warnings.js","../lib/shared/ajv.js","../lib/shared/deep-merge-arrays.js","../conf/config-schema.js","../conf/environments.js","../lib/shared/config-validator.js","../lib/shared/naming.js","../lib/shared/relative-module-resolver.js","../lib/config-array-factory.js","../lib/cascading-config-array-factory.js","../lib/flat-compat.js","../lib/index.js"],"sourcesContent":["/**\n * @fileoverview `IgnorePattern` class.\n *\n * `IgnorePattern` class has the set of glob patterns and the base path.\n *\n * It provides two static methods.\n *\n * - `IgnorePattern.createDefaultIgnore(cwd)`\n * Create the default predicate function.\n * - `IgnorePattern.createIgnore(ignorePatterns)`\n * Create the predicate function from multiple `IgnorePattern` objects.\n *\n * It provides two properties and a method.\n *\n * - `patterns`\n * The glob patterns that ignore to lint.\n * - `basePath`\n * The base path of the glob patterns. If absolute paths existed in the\n * glob patterns, those are handled as relative paths to the base path.\n * - `getPatternsRelativeTo(basePath)`\n * Get `patterns` as modified for a given base path. It modifies the\n * absolute paths in the patterns as prepending the difference of two base\n * paths.\n *\n * `ConfigArrayFactory` creates `IgnorePattern` objects when it processes\n * `ignorePatterns` properties.\n *\n * @author Toru Nagashima \n */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport assert from \"node:assert\";\nimport path from \"node:path\";\nimport ignore from \"ignore\";\nimport debugOrig from \"debug\";\n\nconst debug = debugOrig(\"eslintrc:ignore-pattern\");\n\n/** @typedef {ReturnType} Ignore */\n\n//------------------------------------------------------------------------------\n// Helpers\n//------------------------------------------------------------------------------\n\n/**\n * Get the path to the common ancestor directory of given paths.\n * @param {string[]} sourcePaths The paths to calculate the common ancestor.\n * @returns {string} The path to the common ancestor directory.\n */\nfunction getCommonAncestorPath(sourcePaths) {\n let result = sourcePaths[0];\n\n for (let i = 1; i < sourcePaths.length; ++i) {\n const a = result;\n const b = sourcePaths[i];\n\n // Set the shorter one (it's the common ancestor if one includes the other).\n result = a.length < b.length ? a : b;\n\n // Set the common ancestor.\n for (let j = 0, lastSepPos = 0; j < a.length && j < b.length; ++j) {\n if (a[j] !== b[j]) {\n result = a.slice(0, lastSepPos);\n break;\n }\n if (a[j] === path.sep) {\n lastSepPos = j;\n }\n }\n }\n\n let resolvedResult = result || path.sep;\n\n // if Windows common ancestor is root of drive must have trailing slash to be absolute.\n if (resolvedResult && resolvedResult.endsWith(\":\") && process.platform === \"win32\") {\n resolvedResult += path.sep;\n }\n return resolvedResult;\n}\n\n/**\n * Make relative path.\n * @param {string} from The source path to get relative path.\n * @param {string} to The destination path to get relative path.\n * @returns {string} The relative path.\n */\nfunction relative(from, to) {\n const relPath = path.relative(from, to);\n\n if (path.sep === \"/\") {\n return relPath;\n }\n return relPath.split(path.sep).join(\"/\");\n}\n\n/**\n * Get the trailing slash if existed.\n * @param {string} filePath The path to check.\n * @returns {string} The trailing slash if existed.\n */\nfunction dirSuffix(filePath) {\n const isDir = (\n filePath.endsWith(path.sep) ||\n (process.platform === \"win32\" && filePath.endsWith(\"/\"))\n );\n\n return isDir ? \"/\" : \"\";\n}\n\nconst DefaultPatterns = Object.freeze([\"/**/node_modules/*\"]);\nconst DotPatterns = Object.freeze([\".*\", \"!.eslintrc.*\", \"!../\"]);\n\n//------------------------------------------------------------------------------\n// Public\n//------------------------------------------------------------------------------\n\n/**\n * Represents a set of glob patterns to ignore against a base path.\n */\nclass IgnorePattern {\n\n /**\n * The default patterns.\n * @type {string[]}\n */\n static get DefaultPatterns() {\n return DefaultPatterns;\n }\n\n /**\n * Create the default predicate function.\n * @param {string} cwd The current working directory.\n * @returns {((filePath:string, dot:boolean) => boolean) & {basePath:string; patterns:string[]}}\n * The preficate function.\n * The first argument is an absolute path that is checked.\n * The second argument is the flag to not ignore dotfiles.\n * If the predicate function returned `true`, it means the path should be ignored.\n */\n static createDefaultIgnore(cwd) {\n return this.createIgnore([new IgnorePattern(DefaultPatterns, cwd)]);\n }\n\n /**\n * Create the predicate function from multiple `IgnorePattern` objects.\n * @param {IgnorePattern[]} ignorePatterns The list of ignore patterns.\n * @returns {((filePath:string, dot?:boolean) => boolean) & {basePath:string; patterns:string[]}}\n * The preficate function.\n * The first argument is an absolute path that is checked.\n * The second argument is the flag to not ignore dotfiles.\n * If the predicate function returned `true`, it means the path should be ignored.\n */\n static createIgnore(ignorePatterns) {\n debug(\"Create with: %o\", ignorePatterns);\n\n const basePath = getCommonAncestorPath(ignorePatterns.map(p => p.basePath));\n const patterns = ignorePatterns.flatMap(p => p.getPatternsRelativeTo(basePath));\n const ig = ignore({ allowRelativePaths: true }).add([...DotPatterns, ...patterns]);\n const dotIg = ignore({ allowRelativePaths: true }).add(patterns);\n\n debug(\" processed: %o\", { basePath, patterns });\n\n return Object.assign(\n (filePath, dot = false) => {\n assert(path.isAbsolute(filePath), \"'filePath' should be an absolute path.\");\n const relPathRaw = relative(basePath, filePath);\n const relPath = relPathRaw && (relPathRaw + dirSuffix(filePath));\n const adoptedIg = dot ? dotIg : ig;\n const result = relPath !== \"\" && adoptedIg.ignores(relPath);\n\n debug(\"Check\", { filePath, dot, relativePath: relPath, result });\n return result;\n },\n { basePath, patterns }\n );\n }\n\n /**\n * Initialize a new `IgnorePattern` instance.\n * @param {string[]} patterns The glob patterns that ignore to lint.\n * @param {string} basePath The base path of `patterns`.\n */\n constructor(patterns, basePath) {\n assert(path.isAbsolute(basePath), \"'basePath' should be an absolute path.\");\n\n /**\n * The glob patterns that ignore to lint.\n * @type {string[]}\n */\n this.patterns = patterns;\n\n /**\n * The base path of `patterns`.\n * @type {string}\n */\n this.basePath = basePath;\n\n /**\n * If `true` then patterns which don't start with `/` will match the paths to the outside of `basePath`. Defaults to `false`.\n *\n * It's set `true` for `.eslintignore`, `package.json`, and `--ignore-path` for backward compatibility.\n * It's `false` as-is for `ignorePatterns` property in config files.\n * @type {boolean}\n */\n this.loose = false;\n }\n\n /**\n * Get `patterns` as modified for a given base path. It modifies the\n * absolute paths in the patterns as prepending the difference of two base\n * paths.\n * @param {string} newBasePath The base path.\n * @returns {string[]} Modifired patterns.\n */\n getPatternsRelativeTo(newBasePath) {\n assert(path.isAbsolute(newBasePath), \"'newBasePath' should be an absolute path.\");\n const { basePath, loose, patterns } = this;\n\n if (newBasePath === basePath) {\n return patterns;\n }\n const prefix = `/${relative(newBasePath, basePath)}`;\n\n return patterns.map(pattern => {\n const negative = pattern.startsWith(\"!\");\n const head = negative ? \"!\" : \"\";\n const body = negative ? pattern.slice(1) : pattern;\n\n if (body.startsWith(\"/\") || body.startsWith(\"../\")) {\n return `${head}${prefix}${body}`;\n }\n return loose ? pattern : `${head}${prefix}/**/${body}`;\n });\n }\n}\n\nexport { IgnorePattern };\n","/**\n * @fileoverview `ExtractedConfig` class.\n *\n * `ExtractedConfig` class expresses a final configuration for a specific file.\n *\n * It provides one method.\n *\n * - `toCompatibleObjectAsConfigFileContent()`\n * Convert this configuration to the compatible object as the content of\n * config files. It converts the loaded parser and plugins to strings.\n * `CLIEngine#getConfigForFile(filePath)` method uses this method.\n *\n * `ConfigArray#extractConfig(filePath)` creates a `ExtractedConfig` instance.\n *\n * @author Toru Nagashima \n */\n\nimport { IgnorePattern } from \"./ignore-pattern.js\";\n\n// For VSCode intellisense\n/** @typedef {import(\"../../shared/types\").ConfigData} ConfigData */\n/** @typedef {import(\"../../shared/types\").GlobalConf} GlobalConf */\n/** @typedef {import(\"../../shared/types\").SeverityConf} SeverityConf */\n/** @typedef {import(\"./config-dependency\").DependentParser} DependentParser */\n/** @typedef {import(\"./config-dependency\").DependentPlugin} DependentPlugin */\n\n/**\n * Check if `xs` starts with `ys`.\n * @template T\n * @param {T[]} xs The array to check.\n * @param {T[]} ys The array that may be the first part of `xs`.\n * @returns {boolean} `true` if `xs` starts with `ys`.\n */\nfunction startsWith(xs, ys) {\n return xs.length >= ys.length && ys.every((y, i) => y === xs[i]);\n}\n\n/**\n * The class for extracted config data.\n */\nclass ExtractedConfig {\n constructor() {\n\n /**\n * The config name what `noInlineConfig` setting came from.\n * @type {string}\n */\n this.configNameOfNoInlineConfig = \"\";\n\n /**\n * Environments.\n * @type {Record}\n */\n this.env = {};\n\n /**\n * Global variables.\n * @type {Record}\n */\n this.globals = {};\n\n /**\n * The glob patterns that ignore to lint.\n * @type {(((filePath:string, dot?:boolean) => boolean) & { basePath:string; patterns:string[] }) | undefined}\n */\n this.ignores = void 0;\n\n /**\n * The flag that disables directive comments.\n * @type {boolean|undefined}\n */\n this.noInlineConfig = void 0;\n\n /**\n * Parser definition.\n * @type {DependentParser|null}\n */\n this.parser = null;\n\n /**\n * Options for the parser.\n * @type {Object}\n */\n this.parserOptions = {};\n\n /**\n * Plugin definitions.\n * @type {Record}\n */\n this.plugins = {};\n\n /**\n * Processor ID.\n * @type {string|null}\n */\n this.processor = null;\n\n /**\n * The flag that reports unused `eslint-disable` directive comments.\n * @type {boolean|undefined}\n */\n this.reportUnusedDisableDirectives = void 0;\n\n /**\n * Rule settings.\n * @type {Record}\n */\n this.rules = {};\n\n /**\n * Shared settings.\n * @type {Object}\n */\n this.settings = {};\n }\n\n /**\n * Convert this config to the compatible object as a config file content.\n * @returns {ConfigData} The converted object.\n */\n toCompatibleObjectAsConfigFileContent() {\n const {\n /* eslint-disable no-unused-vars -- needed to make `config` correct */\n configNameOfNoInlineConfig: _ignore1,\n processor: _ignore2,\n /* eslint-enable no-unused-vars -- needed to make `config` correct */\n ignores,\n ...config\n } = this;\n\n config.parser = config.parser && config.parser.filePath;\n config.plugins = Object.keys(config.plugins).filter(Boolean).reverse();\n config.ignorePatterns = ignores ? ignores.patterns : [];\n\n // Strip the default patterns from `ignorePatterns`.\n if (startsWith(config.ignorePatterns, IgnorePattern.DefaultPatterns)) {\n config.ignorePatterns =\n config.ignorePatterns.slice(IgnorePattern.DefaultPatterns.length);\n }\n\n return config;\n }\n}\n\nexport { ExtractedConfig };\n","/**\n * @fileoverview `ConfigArray` class.\n *\n * `ConfigArray` class expresses the full of a configuration. It has the entry\n * config file, base config files that were extended, loaded parsers, and loaded\n * plugins.\n *\n * `ConfigArray` class provides three properties and two methods.\n *\n * - `pluginEnvironments`\n * - `pluginProcessors`\n * - `pluginRules`\n * The `Map` objects that contain the members of all plugins that this\n * config array contains. Those map objects don't have mutation methods.\n * Those keys are the member ID such as `pluginId/memberName`.\n * - `isRoot()`\n * If `true` then this configuration has `root:true` property.\n * - `extractConfig(filePath)`\n * Extract the final configuration for a given file. This means merging\n * every config array element which that `criteria` property matched. The\n * `filePath` argument must be an absolute path.\n *\n * `ConfigArrayFactory` provides the loading logic of config files.\n *\n * @author Toru Nagashima \n */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport { ExtractedConfig } from \"./extracted-config.js\";\nimport { IgnorePattern } from \"./ignore-pattern.js\";\n\n//------------------------------------------------------------------------------\n// Helpers\n//------------------------------------------------------------------------------\n\n// Define types for VSCode IntelliSense.\n/** @typedef {import(\"../../shared/types\").Environment} Environment */\n/** @typedef {import(\"../../shared/types\").GlobalConf} GlobalConf */\n/** @typedef {import(\"../../shared/types\").RuleConf} RuleConf */\n/** @typedef {import(\"../../shared/types\").Rule} Rule */\n/** @typedef {import(\"../../shared/types\").Plugin} Plugin */\n/** @typedef {import(\"../../shared/types\").Processor} Processor */\n/** @typedef {import(\"./config-dependency\").DependentParser} DependentParser */\n/** @typedef {import(\"./config-dependency\").DependentPlugin} DependentPlugin */\n/** @typedef {import(\"./override-tester\")[\"OverrideTester\"]} OverrideTester */\n\n/**\n * @typedef {Object} ConfigArrayElement\n * @property {string} name The name of this config element.\n * @property {string} filePath The path to the source file of this config element.\n * @property {InstanceType|null} criteria The tester for the `files` and `excludedFiles` of this config element.\n * @property {Record|undefined} env The environment settings.\n * @property {Record|undefined} globals The global variable settings.\n * @property {IgnorePattern|undefined} ignorePattern The ignore patterns.\n * @property {boolean|undefined} noInlineConfig The flag that disables directive comments.\n * @property {DependentParser|undefined} parser The parser loader.\n * @property {Object|undefined} parserOptions The parser options.\n * @property {Record|undefined} plugins The plugin loaders.\n * @property {string|undefined} processor The processor name to refer plugin's processor.\n * @property {boolean|undefined} reportUnusedDisableDirectives The flag to report unused `eslint-disable` comments.\n * @property {boolean|undefined} root The flag to express root.\n * @property {Record|undefined} rules The rule settings\n * @property {Object|undefined} settings The shared settings.\n * @property {\"config\" | \"ignore\" | \"implicit-processor\"} type The element type.\n */\n\n/**\n * @typedef {Object} ConfigArrayInternalSlots\n * @property {Map} cache The cache to extract configs.\n * @property {ReadonlyMap|null} envMap The map from environment ID to environment definition.\n * @property {ReadonlyMap|null} processorMap The map from processor ID to environment definition.\n * @property {ReadonlyMap|null} ruleMap The map from rule ID to rule definition.\n */\n\n/** @type {WeakMap} */\nconst internalSlotsMap = new class extends WeakMap {\n get(key) {\n let value = super.get(key);\n\n if (!value) {\n value = {\n cache: new Map(),\n envMap: null,\n processorMap: null,\n ruleMap: null\n };\n super.set(key, value);\n }\n\n return value;\n }\n}();\n\n/**\n * Get the indices which are matched to a given file.\n * @param {ConfigArrayElement[]} elements The elements.\n * @param {string} filePath The path to a target file.\n * @returns {number[]} The indices.\n */\nfunction getMatchedIndices(elements, filePath) {\n const indices = [];\n\n for (let i = elements.length - 1; i >= 0; --i) {\n const element = elements[i];\n\n if (!element.criteria || (filePath && element.criteria.test(filePath))) {\n indices.push(i);\n }\n }\n\n return indices;\n}\n\n/**\n * Check if a value is a non-null object.\n * @param {any} x The value to check.\n * @returns {boolean} `true` if the value is a non-null object.\n */\nfunction isNonNullObject(x) {\n return typeof x === \"object\" && x !== null;\n}\n\n/**\n * Merge two objects.\n *\n * Assign every property values of `y` to `x` if `x` doesn't have the property.\n * If `x`'s property value is an object, it does recursive.\n * @param {Object} target The destination to merge\n * @param {Object|undefined} source The source to merge.\n * @returns {void}\n */\nfunction mergeWithoutOverwrite(target, source) {\n if (!isNonNullObject(source)) {\n return;\n }\n\n for (const key of Object.keys(source)) {\n if (key === \"__proto__\") {\n continue;\n }\n\n if (isNonNullObject(target[key])) {\n mergeWithoutOverwrite(target[key], source[key]);\n } else if (target[key] === void 0) {\n if (isNonNullObject(source[key])) {\n target[key] = Array.isArray(source[key]) ? [] : {};\n mergeWithoutOverwrite(target[key], source[key]);\n } else if (source[key] !== void 0) {\n target[key] = source[key];\n }\n }\n }\n}\n\n/**\n * The error for plugin conflicts.\n */\nclass PluginConflictError extends Error {\n\n /**\n * Initialize this error object.\n * @param {string} pluginId The plugin ID.\n * @param {{filePath:string, importerName:string}[]} plugins The resolved plugins.\n */\n constructor(pluginId, plugins) {\n super(`Plugin \"${pluginId}\" was conflicted between ${plugins.map(p => `\"${p.importerName}\"`).join(\" and \")}.`);\n this.messageTemplate = \"plugin-conflict\";\n this.messageData = { pluginId, plugins };\n }\n}\n\n/**\n * Merge plugins.\n * `target`'s definition is prior to `source`'s.\n * @param {Record} target The destination to merge\n * @param {Record|undefined} source The source to merge.\n * @returns {void}\n * @throws {PluginConflictError} When a plugin was conflicted.\n */\nfunction mergePlugins(target, source) {\n if (!isNonNullObject(source)) {\n return;\n }\n\n for (const key of Object.keys(source)) {\n if (key === \"__proto__\") {\n continue;\n }\n const targetValue = target[key];\n const sourceValue = source[key];\n\n // Adopt the plugin which was found at first.\n if (targetValue === void 0) {\n if (sourceValue.error) {\n throw sourceValue.error;\n }\n target[key] = sourceValue;\n } else if (sourceValue.filePath !== targetValue.filePath) {\n throw new PluginConflictError(key, [\n {\n filePath: targetValue.filePath,\n importerName: targetValue.importerName\n },\n {\n filePath: sourceValue.filePath,\n importerName: sourceValue.importerName\n }\n ]);\n }\n }\n}\n\n/**\n * Merge rule configs.\n * `target`'s definition is prior to `source`'s.\n * @param {Record} target The destination to merge\n * @param {Record|undefined} source The source to merge.\n * @returns {void}\n */\nfunction mergeRuleConfigs(target, source) {\n if (!isNonNullObject(source)) {\n return;\n }\n\n for (const key of Object.keys(source)) {\n if (key === \"__proto__\") {\n continue;\n }\n const targetDef = target[key];\n const sourceDef = source[key];\n\n // Adopt the rule config which was found at first.\n if (targetDef === void 0) {\n if (Array.isArray(sourceDef)) {\n target[key] = [...sourceDef];\n } else {\n target[key] = [sourceDef];\n }\n\n /*\n * If the first found rule config is severity only and the current rule\n * config has options, merge the severity and the options.\n */\n } else if (\n targetDef.length === 1 &&\n Array.isArray(sourceDef) &&\n sourceDef.length >= 2\n ) {\n targetDef.push(...sourceDef.slice(1));\n }\n }\n}\n\n/**\n * Create the extracted config.\n * @param {ConfigArray} instance The config elements.\n * @param {number[]} indices The indices to use.\n * @returns {ExtractedConfig} The extracted config.\n * @throws {Error} When a plugin is conflicted.\n */\nfunction createConfig(instance, indices) {\n const config = new ExtractedConfig();\n const ignorePatterns = [];\n\n // Merge elements.\n for (const index of indices) {\n const element = instance[index];\n\n // Adopt the parser which was found at first.\n if (!config.parser && element.parser) {\n if (element.parser.error) {\n throw element.parser.error;\n }\n config.parser = element.parser;\n }\n\n // Adopt the processor which was found at first.\n if (!config.processor && element.processor) {\n config.processor = element.processor;\n }\n\n // Adopt the noInlineConfig which was found at first.\n if (config.noInlineConfig === void 0 && element.noInlineConfig !== void 0) {\n config.noInlineConfig = element.noInlineConfig;\n config.configNameOfNoInlineConfig = element.name;\n }\n\n // Adopt the reportUnusedDisableDirectives which was found at first.\n if (config.reportUnusedDisableDirectives === void 0 && element.reportUnusedDisableDirectives !== void 0) {\n config.reportUnusedDisableDirectives = element.reportUnusedDisableDirectives;\n }\n\n // Collect ignorePatterns\n if (element.ignorePattern) {\n ignorePatterns.push(element.ignorePattern);\n }\n\n // Merge others.\n mergeWithoutOverwrite(config.env, element.env);\n mergeWithoutOverwrite(config.globals, element.globals);\n mergeWithoutOverwrite(config.parserOptions, element.parserOptions);\n mergeWithoutOverwrite(config.settings, element.settings);\n mergePlugins(config.plugins, element.plugins);\n mergeRuleConfigs(config.rules, element.rules);\n }\n\n // Create the predicate function for ignore patterns.\n if (ignorePatterns.length > 0) {\n config.ignores = IgnorePattern.createIgnore(ignorePatterns.reverse());\n }\n\n return config;\n}\n\n/**\n * Collect definitions.\n * @template T, U\n * @param {string} pluginId The plugin ID for prefix.\n * @param {Record} defs The definitions to collect.\n * @param {Map} map The map to output.\n * @returns {void}\n */\nfunction collect(pluginId, defs, map) {\n if (defs) {\n const prefix = pluginId && `${pluginId}/`;\n\n for (const [key, value] of Object.entries(defs)) {\n map.set(`${prefix}${key}`, value);\n }\n }\n}\n\n/**\n * Delete the mutation methods from a given map.\n * @param {Map} map The map object to delete.\n * @returns {void}\n */\nfunction deleteMutationMethods(map) {\n Object.defineProperties(map, {\n clear: { configurable: true, value: void 0 },\n delete: { configurable: true, value: void 0 },\n set: { configurable: true, value: void 0 }\n });\n}\n\n/**\n * Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array.\n * @param {ConfigArrayElement[]} elements The config elements.\n * @param {ConfigArrayInternalSlots} slots The internal slots.\n * @returns {void}\n */\nfunction initPluginMemberMaps(elements, slots) {\n const processed = new Set();\n\n slots.envMap = new Map();\n slots.processorMap = new Map();\n slots.ruleMap = new Map();\n\n for (const element of elements) {\n if (!element.plugins) {\n continue;\n }\n\n for (const [pluginId, value] of Object.entries(element.plugins)) {\n const plugin = value.definition;\n\n if (!plugin || processed.has(pluginId)) {\n continue;\n }\n processed.add(pluginId);\n\n collect(pluginId, plugin.environments, slots.envMap);\n collect(pluginId, plugin.processors, slots.processorMap);\n collect(pluginId, plugin.rules, slots.ruleMap);\n }\n }\n\n deleteMutationMethods(slots.envMap);\n deleteMutationMethods(slots.processorMap);\n deleteMutationMethods(slots.ruleMap);\n}\n\n/**\n * Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array.\n * @param {ConfigArray} instance The config elements.\n * @returns {ConfigArrayInternalSlots} The extracted config.\n */\nfunction ensurePluginMemberMaps(instance) {\n const slots = internalSlotsMap.get(instance);\n\n if (!slots.ruleMap) {\n initPluginMemberMaps(instance, slots);\n }\n\n return slots;\n}\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\n/**\n * The Config Array.\n *\n * `ConfigArray` instance contains all settings, parsers, and plugins.\n * You need to call `ConfigArray#extractConfig(filePath)` method in order to\n * extract, merge and get only the config data which is related to an arbitrary\n * file.\n * @extends {Array}\n */\nclass ConfigArray extends Array {\n\n /**\n * Get the plugin environments.\n * The returned map cannot be mutated.\n * @type {ReadonlyMap} The plugin environments.\n */\n get pluginEnvironments() {\n return ensurePluginMemberMaps(this).envMap;\n }\n\n /**\n * Get the plugin processors.\n * The returned map cannot be mutated.\n * @type {ReadonlyMap} The plugin processors.\n */\n get pluginProcessors() {\n return ensurePluginMemberMaps(this).processorMap;\n }\n\n /**\n * Get the plugin rules.\n * The returned map cannot be mutated.\n * @returns {ReadonlyMap} The plugin rules.\n */\n get pluginRules() {\n return ensurePluginMemberMaps(this).ruleMap;\n }\n\n /**\n * Check if this config has `root` flag.\n * @returns {boolean} `true` if this config array is root.\n */\n isRoot() {\n for (let i = this.length - 1; i >= 0; --i) {\n const root = this[i].root;\n\n if (typeof root === \"boolean\") {\n return root;\n }\n }\n return false;\n }\n\n /**\n * Extract the config data which is related to a given file.\n * @param {string} filePath The absolute path to the target file.\n * @returns {ExtractedConfig} The extracted config data.\n */\n extractConfig(filePath) {\n const { cache } = internalSlotsMap.get(this);\n const indices = getMatchedIndices(this, filePath);\n const cacheKey = indices.join(\",\");\n\n if (!cache.has(cacheKey)) {\n cache.set(cacheKey, createConfig(this, indices));\n }\n\n return cache.get(cacheKey);\n }\n\n /**\n * Check if a given path is an additional lint target.\n * @param {string} filePath The absolute path to the target file.\n * @returns {boolean} `true` if the file is an additional lint target.\n */\n isAdditionalTargetPath(filePath) {\n for (const { criteria, type } of this) {\n if (\n type === \"config\" &&\n criteria &&\n !criteria.endsWithWildcard &&\n criteria.test(filePath)\n ) {\n return true;\n }\n }\n return false;\n }\n}\n\n/**\n * Get the used extracted configs.\n * CLIEngine will use this method to collect used deprecated rules.\n * @param {ConfigArray} instance The config array object to get.\n * @returns {ExtractedConfig[]} The used extracted configs.\n * @private\n */\nfunction getUsedExtractedConfigs(instance) {\n const { cache } = internalSlotsMap.get(instance);\n\n return Array.from(cache.values());\n}\n\n\nexport {\n ConfigArray,\n getUsedExtractedConfigs\n};\n","/**\n * @fileoverview `ConfigDependency` class.\n *\n * `ConfigDependency` class expresses a loaded parser or plugin.\n *\n * If the parser or plugin was loaded successfully, it has `definition` property\n * and `filePath` property. Otherwise, it has `error` property.\n *\n * When `JSON.stringify()` converted a `ConfigDependency` object to a JSON, it\n * omits `definition` property.\n *\n * `ConfigArrayFactory` creates `ConfigDependency` objects when it loads parsers\n * or plugins.\n *\n * @author Toru Nagashima \n */\n\nimport util from \"node:util\";\n\n/**\n * The class is to store parsers or plugins.\n * This class hides the loaded object from `JSON.stringify()` and `console.log`.\n * @template T\n */\nclass ConfigDependency {\n\n /**\n * Initialize this instance.\n * @param {Object} data The dependency data.\n * @param {T} [data.definition] The dependency if the loading succeeded.\n * @param {T} [data.original] The original, non-normalized dependency if the loading succeeded.\n * @param {Error} [data.error] The error object if the loading failed.\n * @param {string} [data.filePath] The actual path to the dependency if the loading succeeded.\n * @param {string} data.id The ID of this dependency.\n * @param {string} data.importerName The name of the config file which loads this dependency.\n * @param {string} data.importerPath The path to the config file which loads this dependency.\n */\n constructor({\n definition = null,\n original = null,\n error = null,\n filePath = null,\n id,\n importerName,\n importerPath\n }) {\n\n /**\n * The loaded dependency if the loading succeeded.\n * @type {T|null}\n */\n this.definition = definition;\n\n /**\n * The original dependency as loaded directly from disk if the loading succeeded.\n * @type {T|null}\n */\n this.original = original;\n\n /**\n * The error object if the loading failed.\n * @type {Error|null}\n */\n this.error = error;\n\n /**\n * The loaded dependency if the loading succeeded.\n * @type {string|null}\n */\n this.filePath = filePath;\n\n /**\n * The ID of this dependency.\n * @type {string}\n */\n this.id = id;\n\n /**\n * The name of the config file which loads this dependency.\n * @type {string}\n */\n this.importerName = importerName;\n\n /**\n * The path to the config file which loads this dependency.\n * @type {string}\n */\n this.importerPath = importerPath;\n }\n\n /**\n * Converts this instance to a JSON compatible object.\n * @returns {Object} a JSON compatible object.\n */\n toJSON() {\n const obj = this[util.inspect.custom]();\n\n // Display `error.message` (`Error#message` is unenumerable).\n if (obj.error instanceof Error) {\n obj.error = { ...obj.error, message: obj.error.message };\n }\n\n return obj;\n }\n\n /**\n * Custom inspect method for Node.js `console.log()`.\n * @returns {Object} an object to display by `console.log()`.\n */\n [util.inspect.custom]() {\n const {\n definition: _ignore1, // eslint-disable-line no-unused-vars -- needed to make `obj` correct\n original: _ignore2, // eslint-disable-line no-unused-vars -- needed to make `obj` correct\n ...obj\n } = this;\n\n return obj;\n }\n}\n\n/** @typedef {ConfigDependency} DependentParser */\n/** @typedef {ConfigDependency} DependentPlugin */\n\nexport { ConfigDependency };\n","/**\n * @fileoverview `OverrideTester` class.\n *\n * `OverrideTester` class handles `files` property and `excludedFiles` property\n * of `overrides` config.\n *\n * It provides one method.\n *\n * - `test(filePath)`\n * Test if a file path matches the pair of `files` property and\n * `excludedFiles` property. The `filePath` argument must be an absolute\n * path.\n *\n * `ConfigArrayFactory` creates `OverrideTester` objects when it processes\n * `overrides` properties.\n *\n * @author Toru Nagashima \n */\n\nimport assert from \"node:assert\";\nimport path from \"node:path\";\nimport util from \"node:util\";\nimport minimatch from \"minimatch\";\n\nconst { Minimatch } = minimatch;\n\nconst minimatchOpts = { dot: true, matchBase: true };\n\n/**\n * @typedef {Object} Pattern\n * @property {InstanceType[] | null} includes The positive matchers.\n * @property {InstanceType[] | null} excludes The negative matchers.\n */\n\n/**\n * Normalize a given pattern to an array.\n * @param {string|string[]|undefined} patterns A glob pattern or an array of glob patterns.\n * @returns {string[]|null} Normalized patterns.\n * @private\n */\nfunction normalizePatterns(patterns) {\n if (Array.isArray(patterns)) {\n return patterns.filter(Boolean);\n }\n if (typeof patterns === \"string\" && patterns) {\n return [patterns];\n }\n return [];\n}\n\n/**\n * Create the matchers of given patterns.\n * @param {string[]} patterns The patterns.\n * @returns {InstanceType[] | null} The matchers.\n */\nfunction toMatcher(patterns) {\n if (patterns.length === 0) {\n return null;\n }\n return patterns.map(pattern => {\n if (/^\\.[/\\\\]/u.test(pattern)) {\n return new Minimatch(\n pattern.slice(2),\n\n // `./*.js` should not match with `subdir/foo.js`\n { ...minimatchOpts, matchBase: false }\n );\n }\n return new Minimatch(pattern, minimatchOpts);\n });\n}\n\n/**\n * Convert a given matcher to string.\n * @param {Pattern} matchers The matchers.\n * @returns {string} The string expression of the matcher.\n */\nfunction patternToJson({ includes, excludes }) {\n return {\n includes: includes && includes.map(m => m.pattern),\n excludes: excludes && excludes.map(m => m.pattern)\n };\n}\n\n/**\n * The class to test given paths are matched by the patterns.\n */\nclass OverrideTester {\n\n /**\n * Create a tester with given criteria.\n * If there are no criteria, returns `null`.\n * @param {string|string[]} files The glob patterns for included files.\n * @param {string|string[]} excludedFiles The glob patterns for excluded files.\n * @param {string} basePath The path to the base directory to test paths.\n * @returns {OverrideTester|null} The created instance or `null`.\n * @throws {Error} When invalid patterns are given.\n */\n static create(files, excludedFiles, basePath) {\n const includePatterns = normalizePatterns(files);\n const excludePatterns = normalizePatterns(excludedFiles);\n let endsWithWildcard = false;\n\n if (includePatterns.length === 0) {\n return null;\n }\n\n // Rejects absolute paths or relative paths to parents.\n for (const pattern of includePatterns) {\n if (path.isAbsolute(pattern) || pattern.includes(\"..\")) {\n throw new Error(`Invalid override pattern (expected relative path not containing '..'): ${pattern}`);\n }\n if (pattern.endsWith(\"*\")) {\n endsWithWildcard = true;\n }\n }\n for (const pattern of excludePatterns) {\n if (path.isAbsolute(pattern) || pattern.includes(\"..\")) {\n throw new Error(`Invalid override pattern (expected relative path not containing '..'): ${pattern}`);\n }\n }\n\n const includes = toMatcher(includePatterns);\n const excludes = toMatcher(excludePatterns);\n\n return new OverrideTester(\n [{ includes, excludes }],\n basePath,\n endsWithWildcard\n );\n }\n\n /**\n * Combine two testers by logical and.\n * If either of the testers was `null`, returns the other tester.\n * The `basePath` property of the two must be the same value.\n * @param {OverrideTester|null} a A tester.\n * @param {OverrideTester|null} b Another tester.\n * @returns {OverrideTester|null} Combined tester.\n */\n static and(a, b) {\n if (!b) {\n return a && new OverrideTester(\n a.patterns,\n a.basePath,\n a.endsWithWildcard\n );\n }\n if (!a) {\n return new OverrideTester(\n b.patterns,\n b.basePath,\n b.endsWithWildcard\n );\n }\n\n assert.strictEqual(a.basePath, b.basePath);\n return new OverrideTester(\n a.patterns.concat(b.patterns),\n a.basePath,\n a.endsWithWildcard || b.endsWithWildcard\n );\n }\n\n /**\n * Initialize this instance.\n * @param {Pattern[]} patterns The matchers.\n * @param {string} basePath The base path.\n * @param {boolean} endsWithWildcard If `true` then a pattern ends with `*`.\n */\n constructor(patterns, basePath, endsWithWildcard = false) {\n\n /** @type {Pattern[]} */\n this.patterns = patterns;\n\n /** @type {string} */\n this.basePath = basePath;\n\n /** @type {boolean} */\n this.endsWithWildcard = endsWithWildcard;\n }\n\n /**\n * Test if a given path is matched or not.\n * @param {string} filePath The absolute path to the target file.\n * @returns {boolean} `true` if the path was matched.\n * @throws {Error} When invalid `filePath` is given.\n */\n test(filePath) {\n if (typeof filePath !== \"string\" || !path.isAbsolute(filePath)) {\n throw new Error(`'filePath' should be an absolute path, but got ${filePath}.`);\n }\n const relativePath = path.relative(this.basePath, filePath);\n\n return this.patterns.every(({ includes, excludes }) => (\n (!includes || includes.some(m => m.match(relativePath))) &&\n (!excludes || !excludes.some(m => m.match(relativePath)))\n ));\n }\n\n /**\n * Converts this instance to a JSON compatible object.\n * @returns {Object} a JSON compatible object.\n */\n toJSON() {\n if (this.patterns.length === 1) {\n return {\n ...patternToJson(this.patterns[0]),\n basePath: this.basePath\n };\n }\n return {\n AND: this.patterns.map(patternToJson),\n basePath: this.basePath\n };\n }\n\n /**\n * Custom inspect method for Node.js `console.log()`.\n * @returns {Object} an object to display by `console.log()`.\n */\n [util.inspect.custom]() {\n return this.toJSON();\n }\n}\n\nexport { OverrideTester };\n","/**\n * @fileoverview `ConfigArray` class.\n * @author Toru Nagashima \n */\n\nimport { ConfigArray, getUsedExtractedConfigs } from \"./config-array.js\";\nimport { ConfigDependency } from \"./config-dependency.js\";\nimport { ExtractedConfig } from \"./extracted-config.js\";\nimport { IgnorePattern } from \"./ignore-pattern.js\";\nimport { OverrideTester } from \"./override-tester.js\";\n\nexport {\n ConfigArray,\n ConfigDependency,\n ExtractedConfig,\n IgnorePattern,\n OverrideTester,\n getUsedExtractedConfigs\n};\n","/**\n * @fileoverview Config file operations. This file must be usable in the browser,\n * so no Node-specific code can be here.\n * @author Nicholas C. Zakas\n */\n\n//------------------------------------------------------------------------------\n// Private\n//------------------------------------------------------------------------------\n\nconst RULE_SEVERITY_STRINGS = [\"off\", \"warn\", \"error\"],\n RULE_SEVERITY = RULE_SEVERITY_STRINGS.reduce((map, value, index) => {\n map[value] = index;\n return map;\n }, {}),\n VALID_SEVERITIES = new Set([0, 1, 2, \"off\", \"warn\", \"error\"]);\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\n/**\n * Normalizes the severity value of a rule's configuration to a number\n * @param {(number|string|[number, ...*]|[string, ...*])} ruleConfig A rule's configuration value, generally\n * received from the user. A valid config value is either 0, 1, 2, the string \"off\" (treated the same as 0),\n * the string \"warn\" (treated the same as 1), the string \"error\" (treated the same as 2), or an array\n * whose first element is one of the above values. Strings are matched case-insensitively.\n * @returns {(0|1|2)} The numeric severity value if the config value was valid, otherwise 0.\n */\nfunction getRuleSeverity(ruleConfig) {\n const severityValue = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig;\n\n if (severityValue === 0 || severityValue === 1 || severityValue === 2) {\n return severityValue;\n }\n\n if (typeof severityValue === \"string\") {\n return RULE_SEVERITY[severityValue.toLowerCase()] || 0;\n }\n\n return 0;\n}\n\n/**\n * Converts old-style severity settings (0, 1, 2) into new-style\n * severity settings (off, warn, error) for all rules. Assumption is that severity\n * values have already been validated as correct.\n * @param {Object} config The config object to normalize.\n * @returns {void}\n */\nfunction normalizeToStrings(config) {\n\n if (config.rules) {\n Object.keys(config.rules).forEach(ruleId => {\n const ruleConfig = config.rules[ruleId];\n\n if (typeof ruleConfig === \"number\") {\n config.rules[ruleId] = RULE_SEVERITY_STRINGS[ruleConfig] || RULE_SEVERITY_STRINGS[0];\n } else if (Array.isArray(ruleConfig) && typeof ruleConfig[0] === \"number\") {\n ruleConfig[0] = RULE_SEVERITY_STRINGS[ruleConfig[0]] || RULE_SEVERITY_STRINGS[0];\n }\n });\n }\n}\n\n/**\n * Determines if the severity for the given rule configuration represents an error.\n * @param {int|string|Array} ruleConfig The configuration for an individual rule.\n * @returns {boolean} True if the rule represents an error, false if not.\n */\nfunction isErrorSeverity(ruleConfig) {\n return getRuleSeverity(ruleConfig) === 2;\n}\n\n/**\n * Checks whether a given config has valid severity or not.\n * @param {number|string|Array} ruleConfig The configuration for an individual rule.\n * @returns {boolean} `true` if the configuration has valid severity.\n */\nfunction isValidSeverity(ruleConfig) {\n let severity = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig;\n\n if (typeof severity === \"string\") {\n severity = severity.toLowerCase();\n }\n return VALID_SEVERITIES.has(severity);\n}\n\n/**\n * Checks whether every rule of a given config has valid severity or not.\n * @param {Object} config The configuration for rules.\n * @returns {boolean} `true` if the configuration has valid severity.\n */\nfunction isEverySeverityValid(config) {\n return Object.keys(config).every(ruleId => isValidSeverity(config[ruleId]));\n}\n\n/**\n * Normalizes a value for a global in a config\n * @param {(boolean|string|null)} configuredValue The value given for a global in configuration or in\n * a global directive comment\n * @returns {(\"readable\"|\"writeable\"|\"off\")} The value normalized as a string\n * @throws Error if global value is invalid\n */\nfunction normalizeConfigGlobal(configuredValue) {\n switch (configuredValue) {\n case \"off\":\n return \"off\";\n\n case true:\n case \"true\":\n case \"writeable\":\n case \"writable\":\n return \"writable\";\n\n case null:\n case false:\n case \"false\":\n case \"readable\":\n case \"readonly\":\n return \"readonly\";\n\n default:\n throw new Error(`'${configuredValue}' is not a valid configuration for a global (use 'readonly', 'writable', or 'off')`);\n }\n}\n\nexport {\n getRuleSeverity,\n normalizeToStrings,\n isErrorSeverity,\n isValidSeverity,\n isEverySeverityValid,\n normalizeConfigGlobal\n};\n","/**\n * @fileoverview Provide the function that emits deprecation warnings.\n * @author Toru Nagashima \n */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport path from \"node:path\";\n\n//------------------------------------------------------------------------------\n// Private\n//------------------------------------------------------------------------------\n\n// Defitions for deprecation warnings.\nconst deprecationWarningMessages = {\n ESLINT_LEGACY_ECMAFEATURES:\n \"The 'ecmaFeatures' config file property is deprecated and has no effect.\",\n ESLINT_PERSONAL_CONFIG_LOAD:\n \"'~/.eslintrc.*' config files have been deprecated. \" +\n \"Please use a config file per project or the '--config' option.\",\n ESLINT_PERSONAL_CONFIG_SUPPRESS:\n \"'~/.eslintrc.*' config files have been deprecated. \" +\n \"Please remove it or add 'root:true' to the config files in your \" +\n \"projects in order to avoid loading '~/.eslintrc.*' accidentally.\"\n};\n\nconst sourceFileErrorCache = new Set();\n\n/**\n * Emits a deprecation warning containing a given filepath. A new deprecation warning is emitted\n * for each unique file path, but repeated invocations with the same file path have no effect.\n * No warnings are emitted if the `--no-deprecation` or `--no-warnings` Node runtime flags are active.\n * @param {string} source The name of the configuration source to report the warning for.\n * @param {string} errorCode The warning message to show.\n * @returns {void}\n */\nfunction emitDeprecationWarning(source, errorCode) {\n const cacheKey = JSON.stringify({ source, errorCode });\n\n if (sourceFileErrorCache.has(cacheKey)) {\n return;\n }\n sourceFileErrorCache.add(cacheKey);\n\n const rel = path.relative(process.cwd(), source);\n const message = deprecationWarningMessages[errorCode];\n\n process.emitWarning(\n `${message} (found in \"${rel}\")`,\n \"DeprecationWarning\",\n errorCode\n );\n}\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\nexport {\n emitDeprecationWarning\n};\n","/**\n * @fileoverview The instance of Ajv validator.\n * @author Evgeny Poberezkin\n */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport Ajv from \"ajv\";\n\n//-----------------------------------------------------------------------------\n// Helpers\n//-----------------------------------------------------------------------------\n\n/*\n * Copied from ajv/lib/refs/json-schema-draft-04.json\n * The MIT License (MIT)\n * Copyright (c) 2015-2017 Evgeny Poberezkin\n */\nconst metaSchema = {\n id: \"http://json-schema.org/draft-04/schema#\",\n $schema: \"http://json-schema.org/draft-04/schema#\",\n description: \"Core schema meta-schema\",\n definitions: {\n schemaArray: {\n type: \"array\",\n minItems: 1,\n items: { $ref: \"#\" }\n },\n positiveInteger: {\n type: \"integer\",\n minimum: 0\n },\n positiveIntegerDefault0: {\n allOf: [{ $ref: \"#/definitions/positiveInteger\" }, { default: 0 }]\n },\n simpleTypes: {\n enum: [\"array\", \"boolean\", \"integer\", \"null\", \"number\", \"object\", \"string\"]\n },\n stringArray: {\n type: \"array\",\n items: { type: \"string\" },\n minItems: 1,\n uniqueItems: true\n }\n },\n type: \"object\",\n properties: {\n id: {\n type: \"string\"\n },\n $schema: {\n type: \"string\"\n },\n title: {\n type: \"string\"\n },\n description: {\n type: \"string\"\n },\n default: { },\n multipleOf: {\n type: \"number\",\n minimum: 0,\n exclusiveMinimum: true\n },\n maximum: {\n type: \"number\"\n },\n exclusiveMaximum: {\n type: \"boolean\",\n default: false\n },\n minimum: {\n type: \"number\"\n },\n exclusiveMinimum: {\n type: \"boolean\",\n default: false\n },\n maxLength: { $ref: \"#/definitions/positiveInteger\" },\n minLength: { $ref: \"#/definitions/positiveIntegerDefault0\" },\n pattern: {\n type: \"string\",\n format: \"regex\"\n },\n additionalItems: {\n anyOf: [\n { type: \"boolean\" },\n { $ref: \"#\" }\n ],\n default: { }\n },\n items: {\n anyOf: [\n { $ref: \"#\" },\n { $ref: \"#/definitions/schemaArray\" }\n ],\n default: { }\n },\n maxItems: { $ref: \"#/definitions/positiveInteger\" },\n minItems: { $ref: \"#/definitions/positiveIntegerDefault0\" },\n uniqueItems: {\n type: \"boolean\",\n default: false\n },\n maxProperties: { $ref: \"#/definitions/positiveInteger\" },\n minProperties: { $ref: \"#/definitions/positiveIntegerDefault0\" },\n required: { $ref: \"#/definitions/stringArray\" },\n additionalProperties: {\n anyOf: [\n { type: \"boolean\" },\n { $ref: \"#\" }\n ],\n default: { }\n },\n definitions: {\n type: \"object\",\n additionalProperties: { $ref: \"#\" },\n default: { }\n },\n properties: {\n type: \"object\",\n additionalProperties: { $ref: \"#\" },\n default: { }\n },\n patternProperties: {\n type: \"object\",\n additionalProperties: { $ref: \"#\" },\n default: { }\n },\n dependencies: {\n type: \"object\",\n additionalProperties: {\n anyOf: [\n { $ref: \"#\" },\n { $ref: \"#/definitions/stringArray\" }\n ]\n }\n },\n enum: {\n type: \"array\",\n minItems: 1,\n uniqueItems: true\n },\n type: {\n anyOf: [\n { $ref: \"#/definitions/simpleTypes\" },\n {\n type: \"array\",\n items: { $ref: \"#/definitions/simpleTypes\" },\n minItems: 1,\n uniqueItems: true\n }\n ]\n },\n format: { type: \"string\" },\n allOf: { $ref: \"#/definitions/schemaArray\" },\n anyOf: { $ref: \"#/definitions/schemaArray\" },\n oneOf: { $ref: \"#/definitions/schemaArray\" },\n not: { $ref: \"#\" }\n },\n dependencies: {\n exclusiveMaximum: [\"maximum\"],\n exclusiveMinimum: [\"minimum\"]\n },\n default: { }\n};\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\nexport default (additionalOptions = {}) => {\n const ajv = new Ajv({\n meta: false,\n useDefaults: true,\n validateSchema: false,\n missingRefs: \"ignore\",\n verbose: true,\n schemaId: \"auto\",\n ...additionalOptions\n });\n\n ajv.addMetaSchema(metaSchema);\n // eslint-disable-next-line no-underscore-dangle -- part of the API\n ajv._opts.defaultMeta = metaSchema.id;\n\n return ajv;\n};\n","/**\n * @fileoverview Applies default rule options\n * @author JoshuaKGoldberg\n */\n\n/**\n * Check if the variable contains an object strictly rejecting arrays\n * @param {unknown} value an object\n * @returns {boolean} Whether value is an object\n */\nfunction isObjectNotArray(value) {\n return typeof value === \"object\" && value !== null && !Array.isArray(value);\n}\n\n/**\n * Deeply merges second on top of first, creating a new {} object if needed.\n * @param {T} first Base, default value.\n * @param {U} second User-specified value.\n * @returns {T | U | (T & U)} Merged equivalent of second on top of first.\n */\nfunction deepMergeObjects(first, second) {\n if (second === void 0) {\n return first;\n }\n\n if (!isObjectNotArray(first) || !isObjectNotArray(second)) {\n return second;\n }\n\n const result = { ...first, ...second };\n\n for (const key of Object.keys(second)) {\n if (Object.prototype.propertyIsEnumerable.call(first, key)) {\n result[key] = deepMergeObjects(first[key], second[key]);\n }\n }\n\n return result;\n}\n\n/**\n * Deeply merges second on top of first, creating a new [] array if needed.\n * @param {T[] | undefined} first Base, default values.\n * @param {U[] | undefined} second User-specified values.\n * @returns {(T | U | (T & U))[]} Merged equivalent of second on top of first.\n */\nfunction deepMergeArrays(first, second) {\n if (!first || !second) {\n return second || first || [];\n }\n\n return [\n ...first.map((value, i) => deepMergeObjects(value, second[i])),\n ...second.slice(first.length)\n ];\n}\n\nexport { deepMergeArrays };\n","/**\n * @fileoverview Defines a schema for configs.\n * @author Sylvan Mably\n */\n\nconst baseConfigProperties = {\n $schema: { type: \"string\" },\n env: { type: \"object\" },\n extends: { $ref: \"#/definitions/stringOrStrings\" },\n globals: { type: \"object\" },\n overrides: {\n type: \"array\",\n items: { $ref: \"#/definitions/overrideConfig\" },\n additionalItems: false\n },\n parser: { type: [\"string\", \"null\"] },\n parserOptions: { type: \"object\" },\n plugins: { type: \"array\" },\n processor: { type: \"string\" },\n rules: { type: \"object\" },\n settings: { type: \"object\" },\n noInlineConfig: { type: \"boolean\" },\n reportUnusedDisableDirectives: { type: \"boolean\" },\n\n ecmaFeatures: { type: \"object\" } // deprecated; logs a warning when used\n};\n\nconst configSchema = {\n definitions: {\n stringOrStrings: {\n oneOf: [\n { type: \"string\" },\n {\n type: \"array\",\n items: { type: \"string\" },\n additionalItems: false\n }\n ]\n },\n stringOrStringsRequired: {\n oneOf: [\n { type: \"string\" },\n {\n type: \"array\",\n items: { type: \"string\" },\n additionalItems: false,\n minItems: 1\n }\n ]\n },\n\n // Config at top-level.\n objectConfig: {\n type: \"object\",\n properties: {\n root: { type: \"boolean\" },\n ignorePatterns: { $ref: \"#/definitions/stringOrStrings\" },\n ...baseConfigProperties\n },\n additionalProperties: false\n },\n\n // Config in `overrides`.\n overrideConfig: {\n type: \"object\",\n properties: {\n excludedFiles: { $ref: \"#/definitions/stringOrStrings\" },\n files: { $ref: \"#/definitions/stringOrStringsRequired\" },\n ...baseConfigProperties\n },\n required: [\"files\"],\n additionalProperties: false\n }\n },\n\n $ref: \"#/definitions/objectConfig\"\n};\n\nexport default configSchema;\n","/**\n * @fileoverview Defines environment settings and globals.\n * @author Elan Shanker\n */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport globals from \"globals\";\n\n//------------------------------------------------------------------------------\n// Helpers\n//------------------------------------------------------------------------------\n\n/**\n * Get the object that has difference.\n * @param {Record} current The newer object.\n * @param {Record} prev The older object.\n * @returns {Record} The difference object.\n */\nfunction getDiff(current, prev) {\n const retv = {};\n\n for (const [key, value] of Object.entries(current)) {\n if (!Object.hasOwn(prev, key)) {\n retv[key] = value;\n }\n }\n\n return retv;\n}\n\nconst newGlobals2015 = getDiff(globals.es2015, globals.es5); // 19 variables such as Promise, Map, ...\nconst newGlobals2017 = {\n Atomics: false,\n SharedArrayBuffer: false\n};\nconst newGlobals2020 = {\n BigInt: false,\n BigInt64Array: false,\n BigUint64Array: false,\n globalThis: false\n};\n\nconst newGlobals2021 = {\n AggregateError: false,\n FinalizationRegistry: false,\n WeakRef: false\n};\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\n/** @type {Map} */\nexport default new Map(Object.entries({\n\n // Language\n builtin: {\n globals: globals.es5\n },\n es6: {\n globals: newGlobals2015,\n parserOptions: {\n ecmaVersion: 6\n }\n },\n es2015: {\n globals: newGlobals2015,\n parserOptions: {\n ecmaVersion: 6\n }\n },\n es2016: {\n globals: newGlobals2015,\n parserOptions: {\n ecmaVersion: 7\n }\n },\n es2017: {\n globals: { ...newGlobals2015, ...newGlobals2017 },\n parserOptions: {\n ecmaVersion: 8\n }\n },\n es2018: {\n globals: { ...newGlobals2015, ...newGlobals2017 },\n parserOptions: {\n ecmaVersion: 9\n }\n },\n es2019: {\n globals: { ...newGlobals2015, ...newGlobals2017 },\n parserOptions: {\n ecmaVersion: 10\n }\n },\n es2020: {\n globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020 },\n parserOptions: {\n ecmaVersion: 11\n }\n },\n es2021: {\n globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 },\n parserOptions: {\n ecmaVersion: 12\n }\n },\n es2022: {\n globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 },\n parserOptions: {\n ecmaVersion: 13\n }\n },\n es2023: {\n globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 },\n parserOptions: {\n ecmaVersion: 14\n }\n },\n es2024: {\n globals: { ...newGlobals2015, ...newGlobals2017, ...newGlobals2020, ...newGlobals2021 },\n parserOptions: {\n ecmaVersion: 15\n }\n },\n\n // Platforms\n browser: {\n globals: globals.browser\n },\n node: {\n globals: globals.node,\n parserOptions: {\n ecmaFeatures: {\n globalReturn: true\n }\n }\n },\n \"shared-node-browser\": {\n globals: globals[\"shared-node-browser\"]\n },\n worker: {\n globals: globals.worker\n },\n serviceworker: {\n globals: globals.serviceworker\n },\n\n // Frameworks\n commonjs: {\n globals: globals.commonjs,\n parserOptions: {\n ecmaFeatures: {\n globalReturn: true\n }\n }\n },\n amd: {\n globals: globals.amd\n },\n mocha: {\n globals: globals.mocha\n },\n jasmine: {\n globals: globals.jasmine\n },\n jest: {\n globals: globals.jest\n },\n phantomjs: {\n globals: globals.phantomjs\n },\n jquery: {\n globals: globals.jquery\n },\n qunit: {\n globals: globals.qunit\n },\n prototypejs: {\n globals: globals.prototypejs\n },\n shelljs: {\n globals: globals.shelljs\n },\n meteor: {\n globals: globals.meteor\n },\n mongo: {\n globals: globals.mongo\n },\n protractor: {\n globals: globals.protractor\n },\n applescript: {\n globals: globals.applescript\n },\n nashorn: {\n globals: globals.nashorn\n },\n atomtest: {\n globals: globals.atomtest\n },\n embertest: {\n globals: globals.embertest\n },\n webextensions: {\n globals: globals.webextensions\n },\n greasemonkey: {\n globals: globals.greasemonkey\n }\n}));\n","/**\n * @fileoverview Validates configs.\n * @author Brandon Mills\n */\n\n/* eslint class-methods-use-this: \"off\" -- not needed in this file */\n\n//------------------------------------------------------------------------------\n// Typedefs\n//------------------------------------------------------------------------------\n\n/** @typedef {import(\"../shared/types\").Rule} Rule */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport util from \"node:util\";\nimport * as ConfigOps from \"./config-ops.js\";\nimport { emitDeprecationWarning } from \"./deprecation-warnings.js\";\nimport ajvOrig from \"./ajv.js\";\nimport { deepMergeArrays } from \"./deep-merge-arrays.js\";\nimport configSchema from \"../../conf/config-schema.js\";\nimport BuiltInEnvironments from \"../../conf/environments.js\";\n\nconst ajv = ajvOrig();\n\nconst ruleValidators = new WeakMap();\nconst noop = Function.prototype;\n\n//------------------------------------------------------------------------------\n// Private\n//------------------------------------------------------------------------------\nlet validateSchema;\nconst severityMap = {\n error: 2,\n warn: 1,\n off: 0\n};\n\nconst validated = new WeakSet();\n\n// JSON schema that disallows passing any options\nconst noOptionsSchema = Object.freeze({\n type: \"array\",\n minItems: 0,\n maxItems: 0\n});\n\n//-----------------------------------------------------------------------------\n// Exports\n//-----------------------------------------------------------------------------\n\n/**\n * Validator for configuration objects.\n */\nexport default class ConfigValidator {\n constructor({ builtInRules = new Map() } = {}) {\n this.builtInRules = builtInRules;\n }\n\n /**\n * Gets a complete options schema for a rule.\n * @param {Rule} rule A rule object\n * @throws {TypeError} If `meta.schema` is specified but is not an array, object or `false`.\n * @returns {Object|null} JSON Schema for the rule's options.\n * `null` if rule wasn't passed or its `meta.schema` is `false`.\n */\n getRuleOptionsSchema(rule) {\n if (!rule) {\n return null;\n }\n\n if (!rule.meta) {\n return { ...noOptionsSchema }; // default if `meta.schema` is not specified\n }\n\n const schema = rule.meta.schema;\n\n if (typeof schema === \"undefined\") {\n return { ...noOptionsSchema }; // default if `meta.schema` is not specified\n }\n\n // `schema:false` is an allowed explicit opt-out of options validation for the rule\n if (schema === false) {\n return null;\n }\n\n if (typeof schema !== \"object\" || schema === null) {\n throw new TypeError(\"Rule's `meta.schema` must be an array or object\");\n }\n\n // ESLint-specific array form needs to be converted into a valid JSON Schema definition\n if (Array.isArray(schema)) {\n if (schema.length) {\n return {\n type: \"array\",\n items: schema,\n minItems: 0,\n maxItems: schema.length\n };\n }\n\n // `schema:[]` is an explicit way to specify that the rule does not accept any options\n return { ...noOptionsSchema };\n }\n\n // `schema:` is assumed to be a valid JSON Schema definition\n return schema;\n }\n\n /**\n * Validates a rule's severity and returns the severity value. Throws an error if the severity is invalid.\n * @param {options} options The given options for the rule.\n * @returns {number|string} The rule's severity value\n * @throws {Error} If the severity is invalid.\n */\n validateRuleSeverity(options) {\n const severity = Array.isArray(options) ? options[0] : options;\n const normSeverity = typeof severity === \"string\" ? severityMap[severity.toLowerCase()] : severity;\n\n if (normSeverity === 0 || normSeverity === 1 || normSeverity === 2) {\n return normSeverity;\n }\n\n throw new Error(`\\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '${util.inspect(severity).replace(/'/gu, \"\\\"\").replace(/\\n/gu, \"\")}').\\n`);\n\n }\n\n /**\n * Validates the non-severity options passed to a rule, based on its schema.\n * @param {{create: Function}} rule The rule to validate\n * @param {Array} localOptions The options for the rule, excluding severity\n * @returns {void}\n * @throws {Error} If the options are invalid.\n */\n validateRuleSchema(rule, localOptions) {\n if (!ruleValidators.has(rule)) {\n try {\n const schema = this.getRuleOptionsSchema(rule);\n\n if (schema) {\n ruleValidators.set(rule, ajv.compile(schema));\n }\n } catch (err) {\n const errorWithCode = new Error(err.message, { cause: err });\n\n errorWithCode.code = \"ESLINT_INVALID_RULE_OPTIONS_SCHEMA\";\n\n throw errorWithCode;\n }\n }\n\n const validateRule = ruleValidators.get(rule);\n\n if (validateRule) {\n const mergedOptions = deepMergeArrays(rule.meta?.defaultOptions, localOptions);\n\n validateRule(mergedOptions);\n\n if (validateRule.errors) {\n throw new Error(validateRule.errors.map(\n error => `\\tValue ${JSON.stringify(error.data)} ${error.message}.\\n`\n ).join(\"\"));\n }\n }\n }\n\n /**\n * Validates a rule's options against its schema.\n * @param {{create: Function}|null} rule The rule that the config is being validated for\n * @param {string} ruleId The rule's unique name.\n * @param {Array|number} options The given options for the rule.\n * @param {string|null} source The name of the configuration source to report in any errors. If null or undefined,\n * no source is prepended to the message.\n * @returns {void}\n * @throws {Error} If the options are invalid.\n */\n validateRuleOptions(rule, ruleId, options, source = null) {\n try {\n const severity = this.validateRuleSeverity(options);\n\n if (severity !== 0) {\n this.validateRuleSchema(rule, Array.isArray(options) ? options.slice(1) : []);\n }\n } catch (err) {\n let enhancedMessage = err.code === \"ESLINT_INVALID_RULE_OPTIONS_SCHEMA\"\n ? `Error while processing options validation schema of rule '${ruleId}': ${err.message}`\n : `Configuration for rule \"${ruleId}\" is invalid:\\n${err.message}`;\n\n if (typeof source === \"string\") {\n enhancedMessage = `${source}:\\n\\t${enhancedMessage}`;\n }\n\n const enhancedError = new Error(enhancedMessage, { cause: err });\n\n if (err.code) {\n enhancedError.code = err.code;\n }\n\n throw enhancedError;\n }\n }\n\n /**\n * Validates an environment object\n * @param {Object} environment The environment config object to validate.\n * @param {string} source The name of the configuration source to report in any errors.\n * @param {(envId:string) => Object} [getAdditionalEnv] A map from strings to loaded environments.\n * @returns {void}\n * @throws {Error} If the environment is invalid.\n */\n validateEnvironment(\n environment,\n source,\n getAdditionalEnv = noop\n ) {\n\n // not having an environment is ok\n if (!environment) {\n return;\n }\n\n Object.keys(environment).forEach(id => {\n const env = getAdditionalEnv(id) || BuiltInEnvironments.get(id) || null;\n\n if (!env) {\n const message = `${source}:\\n\\tEnvironment key \"${id}\" is unknown\\n`;\n\n throw new Error(message);\n }\n });\n }\n\n /**\n * Validates a rules config object\n * @param {Object} rulesConfig The rules config object to validate.\n * @param {string} source The name of the configuration source to report in any errors.\n * @param {(ruleId:string) => Object} getAdditionalRule A map from strings to loaded rules\n * @returns {void}\n */\n validateRules(\n rulesConfig,\n source,\n getAdditionalRule = noop\n ) {\n if (!rulesConfig) {\n return;\n }\n\n Object.keys(rulesConfig).forEach(id => {\n const rule = getAdditionalRule(id) || this.builtInRules.get(id) || null;\n\n this.validateRuleOptions(rule, id, rulesConfig[id], source);\n });\n }\n\n /**\n * Validates a `globals` section of a config file\n * @param {Object} globalsConfig The `globals` section\n * @param {string|null} source The name of the configuration source to report in the event of an error.\n * @returns {void}\n */\n validateGlobals(globalsConfig, source = null) {\n if (!globalsConfig) {\n return;\n }\n\n Object.entries(globalsConfig)\n .forEach(([configuredGlobal, configuredValue]) => {\n try {\n ConfigOps.normalizeConfigGlobal(configuredValue);\n } catch (err) {\n throw new Error(`ESLint configuration of global '${configuredGlobal}' in ${source} is invalid:\\n${err.message}`);\n }\n });\n }\n\n /**\n * Validate `processor` configuration.\n * @param {string|undefined} processorName The processor name.\n * @param {string} source The name of config file.\n * @param {(id:string) => Processor} getProcessor The getter of defined processors.\n * @returns {void}\n * @throws {Error} If the processor is invalid.\n */\n validateProcessor(processorName, source, getProcessor) {\n if (processorName && !getProcessor(processorName)) {\n throw new Error(`ESLint configuration of processor in '${source}' is invalid: '${processorName}' was not found.`);\n }\n }\n\n /**\n * Formats an array of schema validation errors.\n * @param {Array} errors An array of error messages to format.\n * @returns {string} Formatted error message\n */\n formatErrors(errors) {\n return errors.map(error => {\n if (error.keyword === \"additionalProperties\") {\n const formattedPropertyPath = error.dataPath.length ? `${error.dataPath.slice(1)}.${error.params.additionalProperty}` : error.params.additionalProperty;\n\n return `Unexpected top-level property \"${formattedPropertyPath}\"`;\n }\n if (error.keyword === \"type\") {\n const formattedField = error.dataPath.slice(1);\n const formattedExpectedType = Array.isArray(error.schema) ? error.schema.join(\"/\") : error.schema;\n const formattedValue = JSON.stringify(error.data);\n\n return `Property \"${formattedField}\" is the wrong type (expected ${formattedExpectedType} but got \\`${formattedValue}\\`)`;\n }\n\n const field = error.dataPath[0] === \".\" ? error.dataPath.slice(1) : error.dataPath;\n\n return `\"${field}\" ${error.message}. Value: ${JSON.stringify(error.data)}`;\n }).map(message => `\\t- ${message}.\\n`).join(\"\");\n }\n\n /**\n * Validates the top level properties of the config object.\n * @param {Object} config The config object to validate.\n * @param {string} source The name of the configuration source to report in any errors.\n * @returns {void}\n * @throws {Error} If the config is invalid.\n */\n validateConfigSchema(config, source = null) {\n validateSchema = validateSchema || ajv.compile(configSchema);\n\n if (!validateSchema(config)) {\n throw new Error(`ESLint configuration in ${source} is invalid:\\n${this.formatErrors(validateSchema.errors)}`);\n }\n\n if (Object.hasOwn(config, \"ecmaFeatures\")) {\n emitDeprecationWarning(source, \"ESLINT_LEGACY_ECMAFEATURES\");\n }\n }\n\n /**\n * Validates an entire config object.\n * @param {Object} config The config object to validate.\n * @param {string} source The name of the configuration source to report in any errors.\n * @param {(ruleId:string) => Object} [getAdditionalRule] A map from strings to loaded rules.\n * @param {(envId:string) => Object} [getAdditionalEnv] A map from strings to loaded envs.\n * @returns {void}\n */\n validate(config, source, getAdditionalRule, getAdditionalEnv) {\n this.validateConfigSchema(config, source);\n this.validateRules(config.rules, source, getAdditionalRule);\n this.validateEnvironment(config.env, source, getAdditionalEnv);\n this.validateGlobals(config.globals, source);\n\n for (const override of config.overrides || []) {\n this.validateRules(override.rules, source, getAdditionalRule);\n this.validateEnvironment(override.env, source, getAdditionalEnv);\n this.validateGlobals(config.globals, source);\n }\n }\n\n /**\n * Validate config array object.\n * @param {ConfigArray} configArray The config array to validate.\n * @returns {void}\n */\n validateConfigArray(configArray) {\n const getPluginEnv = Map.prototype.get.bind(configArray.pluginEnvironments);\n const getPluginProcessor = Map.prototype.get.bind(configArray.pluginProcessors);\n const getPluginRule = Map.prototype.get.bind(configArray.pluginRules);\n\n // Validate.\n for (const element of configArray) {\n if (validated.has(element)) {\n continue;\n }\n validated.add(element);\n\n this.validateEnvironment(element.env, element.name, getPluginEnv);\n this.validateGlobals(element.globals, element.name);\n this.validateProcessor(element.processor, element.name, getPluginProcessor);\n this.validateRules(element.rules, element.name, getPluginRule);\n }\n }\n\n}\n","/**\n * @fileoverview Common helpers for naming of plugins, formatters and configs\n */\n\nconst NAMESPACE_REGEX = /^@.*\\//iu;\n\n/**\n * Brings package name to correct format based on prefix\n * @param {string} name The name of the package.\n * @param {string} prefix Can be either \"eslint-plugin\", \"eslint-config\" or \"eslint-formatter\"\n * @returns {string} Normalized name of the package\n * @private\n */\nfunction normalizePackageName(name, prefix) {\n let normalizedName = name;\n\n /**\n * On Windows, name can come in with Windows slashes instead of Unix slashes.\n * Normalize to Unix first to avoid errors later on.\n * https://github.com/eslint/eslint/issues/5644\n */\n if (normalizedName.includes(\"\\\\\")) {\n normalizedName = normalizedName.replace(/\\\\/gu, \"/\");\n }\n\n if (normalizedName.charAt(0) === \"@\") {\n\n /**\n * it's a scoped package\n * package name is the prefix, or just a username\n */\n const scopedPackageShortcutRegex = new RegExp(`^(@[^/]+)(?:/(?:${prefix})?)?$`, \"u\"),\n scopedPackageNameRegex = new RegExp(`^${prefix}(-|$)`, \"u\");\n\n if (scopedPackageShortcutRegex.test(normalizedName)) {\n normalizedName = normalizedName.replace(scopedPackageShortcutRegex, `$1/${prefix}`);\n } else if (!scopedPackageNameRegex.test(normalizedName.split(\"/\")[1])) {\n\n /**\n * for scoped packages, insert the prefix after the first / unless\n * the path is already @scope/eslint or @scope/eslint-xxx-yyy\n */\n normalizedName = normalizedName.replace(/^@([^/]+)\\/(.*)$/u, `@$1/${prefix}-$2`);\n }\n } else if (!normalizedName.startsWith(`${prefix}-`)) {\n normalizedName = `${prefix}-${normalizedName}`;\n }\n\n return normalizedName;\n}\n\n/**\n * Removes the prefix from a fullname.\n * @param {string} fullname The term which may have the prefix.\n * @param {string} prefix The prefix to remove.\n * @returns {string} The term without prefix.\n */\nfunction getShorthandName(fullname, prefix) {\n if (fullname[0] === \"@\") {\n let matchResult = new RegExp(`^(@[^/]+)/${prefix}$`, \"u\").exec(fullname);\n\n if (matchResult) {\n return matchResult[1];\n }\n\n matchResult = new RegExp(`^(@[^/]+)/${prefix}-(.+)$`, \"u\").exec(fullname);\n if (matchResult) {\n return `${matchResult[1]}/${matchResult[2]}`;\n }\n } else if (fullname.startsWith(`${prefix}-`)) {\n return fullname.slice(prefix.length + 1);\n }\n\n return fullname;\n}\n\n/**\n * Gets the scope (namespace) of a term.\n * @param {string} term The term which may have the namespace.\n * @returns {string} The namespace of the term if it has one.\n */\nfunction getNamespaceFromTerm(term) {\n const match = term.match(NAMESPACE_REGEX);\n\n return match ? match[0] : \"\";\n}\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\nexport {\n normalizePackageName,\n getShorthandName,\n getNamespaceFromTerm\n};\n","/**\n * Utility for resolving a module relative to another module\n * @author Teddy Katz\n */\n\nimport Module from \"node:module\";\n\n/*\n * `Module.createRequire` is added in v12.2.0. It supports URL as well.\n * We only support the case where the argument is a filepath, not a URL.\n */\nconst createRequire = Module.createRequire;\n\n/**\n * Resolves a Node module relative to another module\n * @param {string} moduleName The name of a Node module, or a path to a Node module.\n * @param {string} relativeToPath An absolute path indicating the module that `moduleName` should be resolved relative to. This must be\n * a file rather than a directory, but the file need not actually exist.\n * @returns {string} The absolute path that would result from calling `require.resolve(moduleName)` in a file located at `relativeToPath`\n * @throws {Error} When the module cannot be resolved.\n */\nfunction resolve(moduleName, relativeToPath) {\n try {\n return createRequire(relativeToPath).resolve(moduleName);\n } catch (error) {\n\n // This `if` block is for older Node.js than 12.0.0. We can remove this block in the future.\n if (\n typeof error === \"object\" &&\n error !== null &&\n error.code === \"MODULE_NOT_FOUND\" &&\n !error.requireStack &&\n error.message.includes(moduleName)\n ) {\n error.message += `\\nRequire stack:\\n- ${relativeToPath}`;\n }\n throw error;\n }\n}\n\nexport {\n resolve\n};\n","/**\n * @fileoverview The factory of `ConfigArray` objects.\n *\n * This class provides methods to create `ConfigArray` instance.\n *\n * - `create(configData, options)`\n * Create a `ConfigArray` instance from a config data. This is to handle CLI\n * options except `--config`.\n * - `loadFile(filePath, options)`\n * Create a `ConfigArray` instance from a config file. This is to handle\n * `--config` option. If the file was not found, throws the following error:\n * - If the filename was `*.js`, a `MODULE_NOT_FOUND` error.\n * - If the filename was `package.json`, an IO error or an\n * `ESLINT_CONFIG_FIELD_NOT_FOUND` error.\n * - Otherwise, an IO error such as `ENOENT`.\n * - `loadInDirectory(directoryPath, options)`\n * Create a `ConfigArray` instance from a config file which is on a given\n * directory. This tries to load `.eslintrc.*` or `package.json`. If not\n * found, returns an empty `ConfigArray`.\n * - `loadESLintIgnore(filePath)`\n * Create a `ConfigArray` instance from a config file that is `.eslintignore`\n * format. This is to handle `--ignore-path` option.\n * - `loadDefaultESLintIgnore()`\n * Create a `ConfigArray` instance from `.eslintignore` or `package.json` in\n * the current working directory.\n *\n * `ConfigArrayFactory` class has the responsibility that loads configuration\n * files, including loading `extends`, `parser`, and `plugins`. The created\n * `ConfigArray` instance has the loaded `extends`, `parser`, and `plugins`.\n *\n * But this class doesn't handle cascading. `CascadingConfigArrayFactory` class\n * handles cascading and hierarchy.\n *\n * @author Toru Nagashima \n */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport debugOrig from \"debug\";\nimport fs from \"node:fs\";\nimport importFresh from \"import-fresh\";\nimport { createRequire } from \"node:module\";\nimport path from \"node:path\";\nimport stripComments from \"strip-json-comments\";\n\nimport {\n ConfigArray,\n ConfigDependency,\n IgnorePattern,\n OverrideTester\n} from \"./config-array/index.js\";\nimport ConfigValidator from \"./shared/config-validator.js\";\nimport * as naming from \"./shared/naming.js\";\nimport * as ModuleResolver from \"./shared/relative-module-resolver.js\";\n\nconst require = createRequire(import.meta.url);\n\nconst debug = debugOrig(\"eslintrc:config-array-factory\");\n\n//------------------------------------------------------------------------------\n// Helpers\n//------------------------------------------------------------------------------\n\nconst configFilenames = [\n \".eslintrc.js\",\n \".eslintrc.cjs\",\n \".eslintrc.yaml\",\n \".eslintrc.yml\",\n \".eslintrc.json\",\n \".eslintrc\",\n \"package.json\"\n];\n\n// Define types for VSCode IntelliSense.\n/** @typedef {import(\"./shared/types\").ConfigData} ConfigData */\n/** @typedef {import(\"./shared/types\").OverrideConfigData} OverrideConfigData */\n/** @typedef {import(\"./shared/types\").Parser} Parser */\n/** @typedef {import(\"./shared/types\").Plugin} Plugin */\n/** @typedef {import(\"./shared/types\").Rule} Rule */\n/** @typedef {import(\"./config-array/config-dependency\").DependentParser} DependentParser */\n/** @typedef {import(\"./config-array/config-dependency\").DependentPlugin} DependentPlugin */\n/** @typedef {ConfigArray[0]} ConfigArrayElement */\n\n/**\n * @typedef {Object} ConfigArrayFactoryOptions\n * @property {Map} [additionalPluginPool] The map for additional plugins.\n * @property {string} [cwd] The path to the current working directory.\n * @property {string} [resolvePluginsRelativeTo] A path to the directory that plugins should be resolved from. Defaults to `cwd`.\n * @property {Map} builtInRules The rules that are built in to ESLint.\n * @property {Object} [resolver=ModuleResolver] The module resolver object.\n * @property {string} eslintAllPath The path to the definitions for eslint:all.\n * @property {Function} getEslintAllConfig Returns the config data for eslint:all.\n * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended.\n * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended.\n */\n\n/**\n * @typedef {Object} ConfigArrayFactoryInternalSlots\n * @property {Map} additionalPluginPool The map for additional plugins.\n * @property {string} cwd The path to the current working directory.\n * @property {string | undefined} resolvePluginsRelativeTo An absolute path the the directory that plugins should be resolved from.\n * @property {Map} builtInRules The rules that are built in to ESLint.\n * @property {Object} [resolver=ModuleResolver] The module resolver object.\n * @property {string} eslintAllPath The path to the definitions for eslint:all.\n * @property {Function} getEslintAllConfig Returns the config data for eslint:all.\n * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended.\n * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended.\n */\n\n/**\n * @typedef {Object} ConfigArrayFactoryLoadingContext\n * @property {string} filePath The path to the current configuration.\n * @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.\n * @property {string} name The name of the current configuration.\n * @property {string} pluginBasePath The base path to resolve plugins.\n * @property {\"config\" | \"ignore\" | \"implicit-processor\"} type The type of the current configuration. This is `\"config\"` in normal. This is `\"ignore\"` if it came from `.eslintignore`. This is `\"implicit-processor\"` if it came from legacy file-extension processors.\n */\n\n/**\n * @typedef {Object} ConfigArrayFactoryLoadingContext\n * @property {string} filePath The path to the current configuration.\n * @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.\n * @property {string} name The name of the current configuration.\n * @property {\"config\" | \"ignore\" | \"implicit-processor\"} type The type of the current configuration. This is `\"config\"` in normal. This is `\"ignore\"` if it came from `.eslintignore`. This is `\"implicit-processor\"` if it came from legacy file-extension processors.\n */\n\n/** @type {WeakMap} */\nconst internalSlotsMap = new WeakMap();\n\n/** @type {WeakMap} */\nconst normalizedPlugins = new WeakMap();\n\n/**\n * Check if a given string is a file path.\n * @param {string} nameOrPath A module name or file path.\n * @returns {boolean} `true` if the `nameOrPath` is a file path.\n */\nfunction isFilePath(nameOrPath) {\n return (\n /^\\.{1,2}[/\\\\]/u.test(nameOrPath) ||\n path.isAbsolute(nameOrPath)\n );\n}\n\n/**\n * Convenience wrapper for synchronously reading file contents.\n * @param {string} filePath The filename to read.\n * @returns {string} The file contents, with the BOM removed.\n * @private\n */\nfunction readFile(filePath) {\n return fs.readFileSync(filePath, \"utf8\").replace(/^\\ufeff/u, \"\");\n}\n\n/**\n * Loads a YAML configuration from a file.\n * @param {string} filePath The filename to load.\n * @returns {ConfigData} The configuration object from the file.\n * @throws {Error} If the file cannot be read.\n * @private\n */\nfunction loadYAMLConfigFile(filePath) {\n debug(`Loading YAML config file: ${filePath}`);\n\n // lazy load YAML to improve performance when not used\n const yaml = require(\"js-yaml\");\n\n try {\n\n // empty YAML file can be null, so always use\n return yaml.load(readFile(filePath)) || {};\n } catch (e) {\n debug(`Error reading YAML file: ${filePath}`);\n e.message = `Cannot read config file: ${filePath}\\nError: ${e.message}`;\n throw e;\n }\n}\n\n/**\n * Loads a JSON configuration from a file.\n * @param {string} filePath The filename to load.\n * @returns {ConfigData} The configuration object from the file.\n * @throws {Error} If the file cannot be read.\n * @private\n */\nfunction loadJSONConfigFile(filePath) {\n debug(`Loading JSON config file: ${filePath}`);\n\n try {\n return JSON.parse(stripComments(readFile(filePath)));\n } catch (e) {\n debug(`Error reading JSON file: ${filePath}`);\n e.message = `Cannot read config file: ${filePath}\\nError: ${e.message}`;\n e.messageTemplate = \"failed-to-read-json\";\n e.messageData = {\n path: filePath,\n message: e.message\n };\n throw e;\n }\n}\n\n/**\n * Loads a legacy (.eslintrc) configuration from a file.\n * @param {string} filePath The filename to load.\n * @returns {ConfigData} The configuration object from the file.\n * @throws {Error} If the file cannot be read.\n * @private\n */\nfunction loadLegacyConfigFile(filePath) {\n debug(`Loading legacy config file: ${filePath}`);\n\n // lazy load YAML to improve performance when not used\n const yaml = require(\"js-yaml\");\n\n try {\n return yaml.load(stripComments(readFile(filePath))) || /* istanbul ignore next */ {};\n } catch (e) {\n debug(\"Error reading YAML file: %s\\n%o\", filePath, e);\n e.message = `Cannot read config file: ${filePath}\\nError: ${e.message}`;\n throw e;\n }\n}\n\n/**\n * Loads a JavaScript configuration from a file.\n * @param {string} filePath The filename to load.\n * @returns {ConfigData} The configuration object from the file.\n * @throws {Error} If the file cannot be read.\n * @private\n */\nfunction loadJSConfigFile(filePath) {\n debug(`Loading JS config file: ${filePath}`);\n try {\n return importFresh(filePath);\n } catch (e) {\n debug(`Error reading JavaScript file: ${filePath}`);\n e.message = `Cannot read config file: ${filePath}\\nError: ${e.message}`;\n throw e;\n }\n}\n\n/**\n * Loads a configuration from a package.json file.\n * @param {string} filePath The filename to load.\n * @returns {ConfigData} The configuration object from the file.\n * @throws {Error} If the file cannot be read.\n * @private\n */\nfunction loadPackageJSONConfigFile(filePath) {\n debug(`Loading package.json config file: ${filePath}`);\n try {\n const packageData = loadJSONConfigFile(filePath);\n\n if (!Object.hasOwn(packageData, \"eslintConfig\")) {\n throw Object.assign(\n new Error(\"package.json file doesn't have 'eslintConfig' field.\"),\n { code: \"ESLINT_CONFIG_FIELD_NOT_FOUND\" }\n );\n }\n\n return packageData.eslintConfig;\n } catch (e) {\n debug(`Error reading package.json file: ${filePath}`);\n e.message = `Cannot read config file: ${filePath}\\nError: ${e.message}`;\n throw e;\n }\n}\n\n/**\n * Loads a `.eslintignore` from a file.\n * @param {string} filePath The filename to load.\n * @returns {string[]} The ignore patterns from the file.\n * @throws {Error} If the file cannot be read.\n * @private\n */\nfunction loadESLintIgnoreFile(filePath) {\n debug(`Loading .eslintignore file: ${filePath}`);\n\n try {\n return readFile(filePath)\n .split(/\\r?\\n/gu)\n .filter(line => line.trim() !== \"\" && !line.startsWith(\"#\"));\n } catch (e) {\n debug(`Error reading .eslintignore file: ${filePath}`);\n e.message = `Cannot read .eslintignore file: ${filePath}\\nError: ${e.message}`;\n throw e;\n }\n}\n\n/**\n * Creates an error to notify about a missing config to extend from.\n * @param {string} configName The name of the missing config.\n * @param {string} importerName The name of the config that imported the missing config\n * @param {string} messageTemplate The text template to source error strings from.\n * @returns {Error} The error object to throw\n * @private\n */\nfunction configInvalidError(configName, importerName, messageTemplate) {\n return Object.assign(\n new Error(`Failed to load config \"${configName}\" to extend from.`),\n {\n messageTemplate,\n messageData: { configName, importerName }\n }\n );\n}\n\n/**\n * Loads a configuration file regardless of the source. Inspects the file path\n * to determine the correctly way to load the config file.\n * @param {string} filePath The path to the configuration.\n * @returns {ConfigData|null} The configuration information.\n * @private\n */\nfunction loadConfigFile(filePath) {\n switch (path.extname(filePath)) {\n case \".js\":\n case \".cjs\":\n return loadJSConfigFile(filePath);\n\n case \".json\":\n if (path.basename(filePath) === \"package.json\") {\n return loadPackageJSONConfigFile(filePath);\n }\n return loadJSONConfigFile(filePath);\n\n case \".yaml\":\n case \".yml\":\n return loadYAMLConfigFile(filePath);\n\n default:\n return loadLegacyConfigFile(filePath);\n }\n}\n\n/**\n * Write debug log.\n * @param {string} request The requested module name.\n * @param {string} relativeTo The file path to resolve the request relative to.\n * @param {string} filePath The resolved file path.\n * @returns {void}\n */\nfunction writeDebugLogForLoading(request, relativeTo, filePath) {\n /* istanbul ignore next */\n if (debug.enabled) {\n let nameAndVersion = null; // eslint-disable-line no-useless-assignment -- known bug in the rule\n\n try {\n const packageJsonPath = ModuleResolver.resolve(\n `${request}/package.json`,\n relativeTo\n );\n const { version = \"unknown\" } = require(packageJsonPath);\n\n nameAndVersion = `${request}@${version}`;\n } catch (error) {\n debug(\"package.json was not found:\", error.message);\n nameAndVersion = request;\n }\n\n debug(\"Loaded: %s (%s)\", nameAndVersion, filePath);\n }\n}\n\n/**\n * Create a new context with default values.\n * @param {ConfigArrayFactoryInternalSlots} slots The internal slots.\n * @param {\"config\" | \"ignore\" | \"implicit-processor\" | undefined} providedType The type of the current configuration. Default is `\"config\"`.\n * @param {string | undefined} providedName The name of the current configuration. Default is the relative path from `cwd` to `filePath`.\n * @param {string | undefined} providedFilePath The path to the current configuration. Default is empty string.\n * @param {string | undefined} providedMatchBasePath The type of the current configuration. Default is the directory of `filePath` or `cwd`.\n * @returns {ConfigArrayFactoryLoadingContext} The created context.\n */\nfunction createContext(\n { cwd, resolvePluginsRelativeTo },\n providedType,\n providedName,\n providedFilePath,\n providedMatchBasePath\n) {\n const filePath = providedFilePath\n ? path.resolve(cwd, providedFilePath)\n : \"\";\n const matchBasePath =\n (providedMatchBasePath && path.resolve(cwd, providedMatchBasePath)) ||\n (filePath && path.dirname(filePath)) ||\n cwd;\n const name =\n providedName ||\n (filePath && path.relative(cwd, filePath)) ||\n \"\";\n const pluginBasePath =\n resolvePluginsRelativeTo ||\n (filePath && path.dirname(filePath)) ||\n cwd;\n const type = providedType || \"config\";\n\n return { filePath, matchBasePath, name, pluginBasePath, type };\n}\n\n/**\n * Normalize a given plugin.\n * - Ensure the object to have four properties: configs, environments, processors, and rules.\n * - Ensure the object to not have other properties.\n * @param {Plugin} plugin The plugin to normalize.\n * @returns {Plugin} The normalized plugin.\n */\nfunction normalizePlugin(plugin) {\n\n // first check the cache\n let normalizedPlugin = normalizedPlugins.get(plugin);\n\n if (normalizedPlugin) {\n return normalizedPlugin;\n }\n\n normalizedPlugin = {\n configs: plugin.configs || {},\n environments: plugin.environments || {},\n processors: plugin.processors || {},\n rules: plugin.rules || {}\n };\n\n // save the reference for later\n normalizedPlugins.set(plugin, normalizedPlugin);\n\n return normalizedPlugin;\n}\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\n/**\n * The factory of `ConfigArray` objects.\n */\nclass ConfigArrayFactory {\n\n /**\n * Initialize this instance.\n * @param {ConfigArrayFactoryOptions} [options] The map for additional plugins.\n */\n constructor({\n additionalPluginPool = new Map(),\n cwd = process.cwd(),\n resolvePluginsRelativeTo,\n builtInRules,\n resolver = ModuleResolver,\n eslintAllPath,\n getEslintAllConfig,\n eslintRecommendedPath,\n getEslintRecommendedConfig\n } = {}) {\n internalSlotsMap.set(this, {\n additionalPluginPool,\n cwd,\n resolvePluginsRelativeTo:\n resolvePluginsRelativeTo &&\n path.resolve(cwd, resolvePluginsRelativeTo),\n builtInRules,\n resolver,\n eslintAllPath,\n getEslintAllConfig,\n eslintRecommendedPath,\n getEslintRecommendedConfig\n });\n }\n\n /**\n * Create `ConfigArray` instance from a config data.\n * @param {ConfigData|null} configData The config data to create.\n * @param {Object} [options] The options.\n * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.\n * @param {string} [options.filePath] The path to this config data.\n * @param {string} [options.name] The config name.\n * @returns {ConfigArray} Loaded config.\n */\n create(configData, { basePath, filePath, name } = {}) {\n if (!configData) {\n return new ConfigArray();\n }\n\n const slots = internalSlotsMap.get(this);\n const ctx = createContext(slots, \"config\", name, filePath, basePath);\n const elements = this._normalizeConfigData(configData, ctx);\n\n return new ConfigArray(...elements);\n }\n\n /**\n * Load a config file.\n * @param {string} filePath The path to a config file.\n * @param {Object} [options] The options.\n * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.\n * @param {string} [options.name] The config name.\n * @returns {ConfigArray} Loaded config.\n */\n loadFile(filePath, { basePath, name } = {}) {\n const slots = internalSlotsMap.get(this);\n const ctx = createContext(slots, \"config\", name, filePath, basePath);\n\n return new ConfigArray(...this._loadConfigData(ctx));\n }\n\n /**\n * Load the config file on a given directory if exists.\n * @param {string} directoryPath The path to a directory.\n * @param {Object} [options] The options.\n * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`.\n * @param {string} [options.name] The config name.\n * @throws {Error} If the config file is invalid.\n * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.\n */\n loadInDirectory(directoryPath, { basePath, name } = {}) {\n const slots = internalSlotsMap.get(this);\n\n for (const filename of configFilenames) {\n const ctx = createContext(\n slots,\n \"config\",\n name,\n path.join(directoryPath, filename),\n basePath\n );\n\n if (fs.existsSync(ctx.filePath) && fs.statSync(ctx.filePath).isFile()) {\n let configData;\n\n try {\n configData = loadConfigFile(ctx.filePath);\n } catch (error) {\n if (!error || error.code !== \"ESLINT_CONFIG_FIELD_NOT_FOUND\") {\n throw error;\n }\n }\n\n if (configData) {\n debug(`Config file found: ${ctx.filePath}`);\n return new ConfigArray(\n ...this._normalizeConfigData(configData, ctx)\n );\n }\n }\n }\n\n debug(`Config file not found on ${directoryPath}`);\n return new ConfigArray();\n }\n\n /**\n * Check if a config file on a given directory exists or not.\n * @param {string} directoryPath The path to a directory.\n * @returns {string | null} The path to the found config file. If not found then null.\n */\n static getPathToConfigFileInDirectory(directoryPath) {\n for (const filename of configFilenames) {\n const filePath = path.join(directoryPath, filename);\n\n if (fs.existsSync(filePath)) {\n if (filename === \"package.json\") {\n try {\n loadPackageJSONConfigFile(filePath);\n return filePath;\n } catch { /* ignore */ }\n } else {\n return filePath;\n }\n }\n }\n return null;\n }\n\n /**\n * Load `.eslintignore` file.\n * @param {string} filePath The path to a `.eslintignore` file to load.\n * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.\n */\n loadESLintIgnore(filePath) {\n const slots = internalSlotsMap.get(this);\n const ctx = createContext(\n slots,\n \"ignore\",\n void 0,\n filePath,\n slots.cwd\n );\n const ignorePatterns = loadESLintIgnoreFile(ctx.filePath);\n\n return new ConfigArray(\n ...this._normalizeESLintIgnoreData(ignorePatterns, ctx)\n );\n }\n\n /**\n * Load `.eslintignore` file in the current working directory.\n * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist.\n * @throws {Error} If the ignore file is invalid.\n */\n loadDefaultESLintIgnore() {\n const slots = internalSlotsMap.get(this);\n const eslintIgnorePath = path.resolve(slots.cwd, \".eslintignore\");\n const packageJsonPath = path.resolve(slots.cwd, \"package.json\");\n\n if (fs.existsSync(eslintIgnorePath)) {\n return this.loadESLintIgnore(eslintIgnorePath);\n }\n if (fs.existsSync(packageJsonPath)) {\n const data = loadJSONConfigFile(packageJsonPath);\n\n if (Object.hasOwn(data, \"eslintIgnore\")) {\n if (!Array.isArray(data.eslintIgnore)) {\n throw new Error(\"Package.json eslintIgnore property requires an array of paths\");\n }\n const ctx = createContext(\n slots,\n \"ignore\",\n \"eslintIgnore in package.json\",\n packageJsonPath,\n slots.cwd\n );\n\n return new ConfigArray(\n ...this._normalizeESLintIgnoreData(data.eslintIgnore, ctx)\n );\n }\n }\n\n return new ConfigArray();\n }\n\n /**\n * Load a given config file.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {IterableIterator} Loaded config.\n * @private\n */\n _loadConfigData(ctx) {\n return this._normalizeConfigData(loadConfigFile(ctx.filePath), ctx);\n }\n\n /**\n * Normalize a given `.eslintignore` data to config array elements.\n * @param {string[]} ignorePatterns The patterns to ignore files.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {IterableIterator} The normalized config.\n * @private\n */\n *_normalizeESLintIgnoreData(ignorePatterns, ctx) {\n const elements = this._normalizeObjectConfigData(\n { ignorePatterns },\n ctx\n );\n\n // Set `ignorePattern.loose` flag for backward compatibility.\n for (const element of elements) {\n if (element.ignorePattern) {\n element.ignorePattern.loose = true;\n }\n yield element;\n }\n }\n\n /**\n * Normalize a given config to an array.\n * @param {ConfigData} configData The config data to normalize.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {IterableIterator} The normalized config.\n * @private\n */\n _normalizeConfigData(configData, ctx) {\n const validator = new ConfigValidator();\n\n validator.validateConfigSchema(configData, ctx.name || ctx.filePath);\n return this._normalizeObjectConfigData(configData, ctx);\n }\n\n /**\n * Normalize a given config to an array.\n * @param {ConfigData|OverrideConfigData} configData The config data to normalize.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {IterableIterator} The normalized config.\n * @private\n */\n *_normalizeObjectConfigData(configData, ctx) {\n const { files, excludedFiles, ...configBody } = configData;\n const criteria = OverrideTester.create(\n files,\n excludedFiles,\n ctx.matchBasePath\n );\n const elements = this._normalizeObjectConfigDataBody(configBody, ctx);\n\n // Apply the criteria to every element.\n for (const element of elements) {\n\n /*\n * Merge the criteria.\n * This is for the `overrides` entries that came from the\n * configurations of `overrides[].extends`.\n */\n element.criteria = OverrideTester.and(criteria, element.criteria);\n\n /*\n * Remove `root` property to ignore `root` settings which came from\n * `extends` in `overrides`.\n */\n if (element.criteria) {\n element.root = void 0;\n }\n\n yield element;\n }\n }\n\n /**\n * Normalize a given config to an array.\n * @param {ConfigData} configData The config data to normalize.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {IterableIterator} The normalized config.\n * @private\n */\n *_normalizeObjectConfigDataBody(\n {\n env,\n extends: extend,\n globals,\n ignorePatterns,\n noInlineConfig,\n parser: parserName,\n parserOptions,\n plugins: pluginList,\n processor,\n reportUnusedDisableDirectives,\n root,\n rules,\n settings,\n overrides: overrideList = []\n },\n ctx\n ) {\n const extendList = Array.isArray(extend) ? extend : [extend];\n const ignorePattern = ignorePatterns && new IgnorePattern(\n Array.isArray(ignorePatterns) ? ignorePatterns : [ignorePatterns],\n ctx.matchBasePath\n );\n\n // Flatten `extends`.\n for (const extendName of extendList.filter(Boolean)) {\n yield* this._loadExtends(extendName, ctx);\n }\n\n // Load parser & plugins.\n const parser = parserName && this._loadParser(parserName, ctx);\n const plugins = pluginList && this._loadPlugins(pluginList, ctx);\n\n // Yield pseudo config data for file extension processors.\n if (plugins) {\n yield* this._takeFileExtensionProcessors(plugins, ctx);\n }\n\n // Yield the config data except `extends` and `overrides`.\n yield {\n\n // Debug information.\n type: ctx.type,\n name: ctx.name,\n filePath: ctx.filePath,\n\n // Config data.\n criteria: null,\n env,\n globals,\n ignorePattern,\n noInlineConfig,\n parser,\n parserOptions,\n plugins,\n processor,\n reportUnusedDisableDirectives,\n root,\n rules,\n settings\n };\n\n // Flatten `overries`.\n for (let i = 0; i < overrideList.length; ++i) {\n yield* this._normalizeObjectConfigData(\n overrideList[i],\n { ...ctx, name: `${ctx.name}#overrides[${i}]` }\n );\n }\n }\n\n /**\n * Load configs of an element in `extends`.\n * @param {string} extendName The name of a base config.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {IterableIterator} The normalized config.\n * @throws {Error} If the extended config file can't be loaded.\n * @private\n */\n _loadExtends(extendName, ctx) {\n debug(\"Loading {extends:%j} relative to %s\", extendName, ctx.filePath);\n try {\n if (extendName.startsWith(\"eslint:\")) {\n return this._loadExtendedBuiltInConfig(extendName, ctx);\n }\n if (extendName.startsWith(\"plugin:\")) {\n return this._loadExtendedPluginConfig(extendName, ctx);\n }\n return this._loadExtendedShareableConfig(extendName, ctx);\n } catch (error) {\n error.message += `\\nReferenced from: ${ctx.filePath || ctx.name}`;\n throw error;\n }\n }\n\n /**\n * Load configs of an element in `extends`.\n * @param {string} extendName The name of a base config.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {IterableIterator} The normalized config.\n * @throws {Error} If the extended config file can't be loaded.\n * @private\n */\n _loadExtendedBuiltInConfig(extendName, ctx) {\n const {\n eslintAllPath,\n getEslintAllConfig,\n eslintRecommendedPath,\n getEslintRecommendedConfig\n } = internalSlotsMap.get(this);\n\n if (extendName === \"eslint:recommended\") {\n const name = `${ctx.name} » ${extendName}`;\n\n if (getEslintRecommendedConfig) {\n if (typeof getEslintRecommendedConfig !== \"function\") {\n throw new Error(`getEslintRecommendedConfig must be a function instead of '${getEslintRecommendedConfig}'`);\n }\n return this._normalizeConfigData(getEslintRecommendedConfig(), { ...ctx, name, filePath: \"\" });\n }\n return this._loadConfigData({\n ...ctx,\n name,\n filePath: eslintRecommendedPath\n });\n }\n if (extendName === \"eslint:all\") {\n const name = `${ctx.name} » ${extendName}`;\n\n if (getEslintAllConfig) {\n if (typeof getEslintAllConfig !== \"function\") {\n throw new Error(`getEslintAllConfig must be a function instead of '${getEslintAllConfig}'`);\n }\n return this._normalizeConfigData(getEslintAllConfig(), { ...ctx, name, filePath: \"\" });\n }\n return this._loadConfigData({\n ...ctx,\n name,\n filePath: eslintAllPath\n });\n }\n\n throw configInvalidError(extendName, ctx.name, \"extend-config-missing\");\n }\n\n /**\n * Load configs of an element in `extends`.\n * @param {string} extendName The name of a base config.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {IterableIterator} The normalized config.\n * @throws {Error} If the extended config file can't be loaded.\n * @private\n */\n _loadExtendedPluginConfig(extendName, ctx) {\n const slashIndex = extendName.lastIndexOf(\"/\");\n\n if (slashIndex === -1) {\n throw configInvalidError(extendName, ctx.filePath, \"plugin-invalid\");\n }\n\n const pluginName = extendName.slice(\"plugin:\".length, slashIndex);\n const configName = extendName.slice(slashIndex + 1);\n\n if (isFilePath(pluginName)) {\n throw new Error(\"'extends' cannot use a file path for plugins.\");\n }\n\n const plugin = this._loadPlugin(pluginName, ctx);\n const configData =\n plugin.definition &&\n plugin.definition.configs[configName];\n\n if (configData) {\n return this._normalizeConfigData(configData, {\n ...ctx,\n filePath: plugin.filePath || ctx.filePath,\n name: `${ctx.name} » plugin:${plugin.id}/${configName}`\n });\n }\n\n throw plugin.error || configInvalidError(extendName, ctx.filePath, \"extend-config-missing\");\n }\n\n /**\n * Load configs of an element in `extends`.\n * @param {string} extendName The name of a base config.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {IterableIterator} The normalized config.\n * @throws {Error} If the extended config file can't be loaded.\n * @private\n */\n _loadExtendedShareableConfig(extendName, ctx) {\n const { cwd, resolver } = internalSlotsMap.get(this);\n const relativeTo = ctx.filePath || path.join(cwd, \"__placeholder__.js\");\n let request;\n\n if (isFilePath(extendName)) {\n request = extendName;\n } else if (extendName.startsWith(\".\")) {\n request = `./${extendName}`; // For backward compatibility. A ton of tests depended on this behavior.\n } else {\n request = naming.normalizePackageName(\n extendName,\n \"eslint-config\"\n );\n }\n\n let filePath;\n\n try {\n filePath = resolver.resolve(request, relativeTo);\n } catch (error) {\n /* istanbul ignore else */\n if (error && error.code === \"MODULE_NOT_FOUND\") {\n throw configInvalidError(extendName, ctx.filePath, \"extend-config-missing\");\n }\n throw error;\n }\n\n writeDebugLogForLoading(request, relativeTo, filePath);\n return this._loadConfigData({\n ...ctx,\n filePath,\n name: `${ctx.name} » ${request}`\n });\n }\n\n /**\n * Load given plugins.\n * @param {string[]} names The plugin names to load.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {Record} The loaded parser.\n * @private\n */\n _loadPlugins(names, ctx) {\n return names.reduce((map, name) => {\n if (isFilePath(name)) {\n throw new Error(\"Plugins array cannot includes file paths.\");\n }\n const plugin = this._loadPlugin(name, ctx);\n\n map[plugin.id] = plugin;\n\n return map;\n }, {});\n }\n\n /**\n * Load a given parser.\n * @param {string} nameOrPath The package name or the path to a parser file.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {DependentParser} The loaded parser.\n */\n _loadParser(nameOrPath, ctx) {\n debug(\"Loading parser %j from %s\", nameOrPath, ctx.filePath);\n\n const { cwd, resolver } = internalSlotsMap.get(this);\n const relativeTo = ctx.filePath || path.join(cwd, \"__placeholder__.js\");\n\n try {\n const filePath = resolver.resolve(nameOrPath, relativeTo);\n\n writeDebugLogForLoading(nameOrPath, relativeTo, filePath);\n\n return new ConfigDependency({\n definition: require(filePath),\n filePath,\n id: nameOrPath,\n importerName: ctx.name,\n importerPath: ctx.filePath\n });\n } catch (error) {\n\n // If the parser name is \"espree\", load the espree of ESLint.\n if (nameOrPath === \"espree\") {\n debug(\"Fallback espree.\");\n return new ConfigDependency({\n definition: require(\"espree\"),\n filePath: require.resolve(\"espree\"),\n id: nameOrPath,\n importerName: ctx.name,\n importerPath: ctx.filePath\n });\n }\n\n debug(\"Failed to load parser '%s' declared in '%s'.\", nameOrPath, ctx.name);\n error.message = `Failed to load parser '${nameOrPath}' declared in '${ctx.name}': ${error.message}`;\n\n return new ConfigDependency({\n error,\n id: nameOrPath,\n importerName: ctx.name,\n importerPath: ctx.filePath\n });\n }\n }\n\n /**\n * Load a given plugin.\n * @param {string} name The plugin name to load.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {DependentPlugin} The loaded plugin.\n * @private\n */\n _loadPlugin(name, ctx) {\n debug(\"Loading plugin %j from %s\", name, ctx.filePath);\n\n const { additionalPluginPool, resolver } = internalSlotsMap.get(this);\n const request = naming.normalizePackageName(name, \"eslint-plugin\");\n const id = naming.getShorthandName(request, \"eslint-plugin\");\n const relativeTo = path.join(ctx.pluginBasePath, \"__placeholder__.js\");\n\n if (name.match(/\\s+/u)) {\n const error = Object.assign(\n new Error(`Whitespace found in plugin name '${name}'`),\n {\n messageTemplate: \"whitespace-found\",\n messageData: { pluginName: request }\n }\n );\n\n return new ConfigDependency({\n error,\n id,\n importerName: ctx.name,\n importerPath: ctx.filePath\n });\n }\n\n // Check for additional pool.\n const plugin =\n additionalPluginPool.get(request) ||\n additionalPluginPool.get(id);\n\n if (plugin) {\n return new ConfigDependency({\n definition: normalizePlugin(plugin),\n original: plugin,\n filePath: \"\", // It's unknown where the plugin came from.\n id,\n importerName: ctx.name,\n importerPath: ctx.filePath\n });\n }\n\n let filePath;\n let error;\n\n try {\n filePath = resolver.resolve(request, relativeTo);\n } catch (resolveError) {\n error = resolveError;\n /* istanbul ignore else */\n if (error && error.code === \"MODULE_NOT_FOUND\") {\n error.messageTemplate = \"plugin-missing\";\n error.messageData = {\n pluginName: request,\n resolvePluginsRelativeTo: ctx.pluginBasePath,\n importerName: ctx.name\n };\n }\n }\n\n if (filePath) {\n try {\n writeDebugLogForLoading(request, relativeTo, filePath);\n\n const startTime = Date.now();\n const pluginDefinition = require(filePath);\n\n debug(`Plugin ${filePath} loaded in: ${Date.now() - startTime}ms`);\n\n return new ConfigDependency({\n definition: normalizePlugin(pluginDefinition),\n original: pluginDefinition,\n filePath,\n id,\n importerName: ctx.name,\n importerPath: ctx.filePath\n });\n } catch (loadError) {\n error = loadError;\n }\n }\n\n debug(\"Failed to load plugin '%s' declared in '%s'.\", name, ctx.name);\n error.message = `Failed to load plugin '${name}' declared in '${ctx.name}': ${error.message}`;\n return new ConfigDependency({\n error,\n id,\n importerName: ctx.name,\n importerPath: ctx.filePath\n });\n }\n\n /**\n * Take file expression processors as config array elements.\n * @param {Record} plugins The plugin definitions.\n * @param {ConfigArrayFactoryLoadingContext} ctx The loading context.\n * @returns {IterableIterator} The config array elements of file expression processors.\n * @private\n */\n *_takeFileExtensionProcessors(plugins, ctx) {\n for (const pluginId of Object.keys(plugins)) {\n const processors =\n plugins[pluginId] &&\n plugins[pluginId].definition &&\n plugins[pluginId].definition.processors;\n\n if (!processors) {\n continue;\n }\n\n for (const processorId of Object.keys(processors)) {\n if (processorId.startsWith(\".\")) {\n yield* this._normalizeObjectConfigData(\n {\n files: [`*${processorId}`],\n processor: `${pluginId}/${processorId}`\n },\n {\n ...ctx,\n type: \"implicit-processor\",\n name: `${ctx.name}#processors[\"${pluginId}/${processorId}\"]`\n }\n );\n }\n }\n }\n }\n}\n\nexport {\n ConfigArrayFactory,\n createContext,\n loadConfigFile\n};\n","/**\n * @fileoverview `CascadingConfigArrayFactory` class.\n *\n * `CascadingConfigArrayFactory` class has a responsibility:\n *\n * 1. Handles cascading of config files.\n *\n * It provides two methods:\n *\n * - `getConfigArrayForFile(filePath)`\n * Get the corresponded configuration of a given file. This method doesn't\n * throw even if the given file didn't exist.\n * - `clearCache()`\n * Clear the internal cache. You have to call this method when\n * `additionalPluginPool` was updated if `baseConfig` or `cliConfig` depends\n * on the additional plugins. (`CLIEngine#addPlugin()` method calls this.)\n *\n * @author Toru Nagashima \n */\n\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport debugOrig from \"debug\";\nimport os from \"node:os\";\nimport path from \"node:path\";\n\nimport { ConfigArrayFactory } from \"./config-array-factory.js\";\nimport {\n ConfigArray,\n ConfigDependency,\n IgnorePattern\n} from \"./config-array/index.js\";\nimport ConfigValidator from \"./shared/config-validator.js\";\nimport { emitDeprecationWarning } from \"./shared/deprecation-warnings.js\";\n\nconst debug = debugOrig(\"eslintrc:cascading-config-array-factory\");\n\n//------------------------------------------------------------------------------\n// Helpers\n//------------------------------------------------------------------------------\n\n// Define types for VSCode IntelliSense.\n/** @typedef {import(\"./shared/types\").ConfigData} ConfigData */\n/** @typedef {import(\"./shared/types\").Parser} Parser */\n/** @typedef {import(\"./shared/types\").Plugin} Plugin */\n/** @typedef {import(\"./shared/types\").Rule} Rule */\n/** @typedef {ReturnType} ConfigArray */\n\n/**\n * @typedef {Object} CascadingConfigArrayFactoryOptions\n * @property {Map} [additionalPluginPool] The map for additional plugins.\n * @property {ConfigData} [baseConfig] The config by `baseConfig` option.\n * @property {ConfigData} [cliConfig] The config by CLI options (`--env`, `--global`, `--ignore-pattern`, `--parser`, `--parser-options`, `--plugin`, and `--rule`). CLI options overwrite the setting in config files.\n * @property {string} [cwd] The base directory to start lookup.\n * @property {string} [ignorePath] The path to the alternative file of `.eslintignore`.\n * @property {string[]} [rulePaths] The value of `--rulesdir` option.\n * @property {string} [specificConfigPath] The value of `--config` option.\n * @property {boolean} [useEslintrc] if `false` then it doesn't load config files.\n * @property {Function} loadRules The function to use to load rules.\n * @property {Map} builtInRules The rules that are built in to ESLint.\n * @property {Object} [resolver=ModuleResolver] The module resolver object.\n * @property {string} eslintAllPath The path to the definitions for eslint:all.\n * @property {Function} getEslintAllConfig Returns the config data for eslint:all.\n * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended.\n * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended.\n */\n\n/**\n * @typedef {Object} CascadingConfigArrayFactoryInternalSlots\n * @property {ConfigArray} baseConfigArray The config array of `baseConfig` option.\n * @property {ConfigData} baseConfigData The config data of `baseConfig` option. This is used to reset `baseConfigArray`.\n * @property {ConfigArray} cliConfigArray The config array of CLI options.\n * @property {ConfigData} cliConfigData The config data of CLI options. This is used to reset `cliConfigArray`.\n * @property {ConfigArrayFactory} configArrayFactory The factory for config arrays.\n * @property {Map} configCache The cache from directory paths to config arrays.\n * @property {string} cwd The base directory to start lookup.\n * @property {WeakMap} finalizeCache The cache from config arrays to finalized config arrays.\n * @property {string} [ignorePath] The path to the alternative file of `.eslintignore`.\n * @property {string[]|null} rulePaths The value of `--rulesdir` option. This is used to reset `baseConfigArray`.\n * @property {string|null} specificConfigPath The value of `--config` option. This is used to reset `cliConfigArray`.\n * @property {boolean} useEslintrc if `false` then it doesn't load config files.\n * @property {Function} loadRules The function to use to load rules.\n * @property {Map} builtInRules The rules that are built in to ESLint.\n * @property {Object} [resolver=ModuleResolver] The module resolver object.\n * @property {string} eslintAllPath The path to the definitions for eslint:all.\n * @property {Function} getEslintAllConfig Returns the config data for eslint:all.\n * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended.\n * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended.\n */\n\n/** @type {WeakMap} */\nconst internalSlotsMap = new WeakMap();\n\n/**\n * Create the config array from `baseConfig` and `rulePaths`.\n * @param {CascadingConfigArrayFactoryInternalSlots} slots The slots.\n * @returns {ConfigArray} The config array of the base configs.\n */\nfunction createBaseConfigArray({\n configArrayFactory,\n baseConfigData,\n rulePaths,\n cwd,\n loadRules\n}) {\n const baseConfigArray = configArrayFactory.create(\n baseConfigData,\n { name: \"BaseConfig\" }\n );\n\n /*\n * Create the config array element for the default ignore patterns.\n * This element has `ignorePattern` property that ignores the default\n * patterns in the current working directory.\n */\n baseConfigArray.unshift(configArrayFactory.create(\n { ignorePatterns: IgnorePattern.DefaultPatterns },\n { name: \"DefaultIgnorePattern\" }\n )[0]);\n\n /*\n * Load rules `--rulesdir` option as a pseudo plugin.\n * Use a pseudo plugin to define rules of `--rulesdir`, so we can validate\n * the rule's options with only information in the config array.\n */\n if (rulePaths && rulePaths.length > 0) {\n baseConfigArray.push({\n type: \"config\",\n name: \"--rulesdir\",\n filePath: \"\",\n plugins: {\n \"\": new ConfigDependency({\n definition: {\n rules: rulePaths.reduce(\n (map, rulesPath) => Object.assign(\n map,\n loadRules(rulesPath, cwd)\n ),\n {}\n )\n },\n filePath: \"\",\n id: \"\",\n importerName: \"--rulesdir\",\n importerPath: \"\"\n })\n }\n });\n }\n\n return baseConfigArray;\n}\n\n/**\n * Create the config array from CLI options.\n * @param {CascadingConfigArrayFactoryInternalSlots} slots The slots.\n * @returns {ConfigArray} The config array of the base configs.\n */\nfunction createCLIConfigArray({\n cliConfigData,\n configArrayFactory,\n cwd,\n ignorePath,\n specificConfigPath\n}) {\n const cliConfigArray = configArrayFactory.create(\n cliConfigData,\n { name: \"CLIOptions\" }\n );\n\n cliConfigArray.unshift(\n ...(ignorePath\n ? configArrayFactory.loadESLintIgnore(ignorePath)\n : configArrayFactory.loadDefaultESLintIgnore())\n );\n\n if (specificConfigPath) {\n cliConfigArray.unshift(\n ...configArrayFactory.loadFile(\n specificConfigPath,\n { name: \"--config\", basePath: cwd }\n )\n );\n }\n\n return cliConfigArray;\n}\n\n/**\n * The error type when there are files matched by a glob, but all of them have been ignored.\n */\nclass ConfigurationNotFoundError extends Error {\n\n\n /**\n * @param {string} directoryPath The directory path.\n */\n constructor(directoryPath) {\n super(`No ESLint configuration found in ${directoryPath}.`);\n this.messageTemplate = \"no-config-found\";\n this.messageData = { directoryPath };\n }\n}\n\n/**\n * This class provides the functionality that enumerates every file which is\n * matched by given glob patterns and that configuration.\n */\nclass CascadingConfigArrayFactory {\n\n /**\n * Initialize this enumerator.\n * @param {CascadingConfigArrayFactoryOptions} options The options.\n */\n constructor({\n additionalPluginPool = new Map(),\n baseConfig: baseConfigData = null,\n cliConfig: cliConfigData = null,\n cwd = process.cwd(),\n ignorePath,\n resolvePluginsRelativeTo,\n rulePaths = [],\n specificConfigPath = null,\n useEslintrc = true,\n builtInRules = new Map(),\n loadRules,\n resolver,\n eslintRecommendedPath,\n getEslintRecommendedConfig,\n eslintAllPath,\n getEslintAllConfig\n } = {}) {\n const configArrayFactory = new ConfigArrayFactory({\n additionalPluginPool,\n cwd,\n resolvePluginsRelativeTo,\n builtInRules,\n resolver,\n eslintRecommendedPath,\n getEslintRecommendedConfig,\n eslintAllPath,\n getEslintAllConfig\n });\n\n internalSlotsMap.set(this, {\n baseConfigArray: createBaseConfigArray({\n baseConfigData,\n configArrayFactory,\n cwd,\n rulePaths,\n loadRules\n }),\n baseConfigData,\n cliConfigArray: createCLIConfigArray({\n cliConfigData,\n configArrayFactory,\n cwd,\n ignorePath,\n specificConfigPath\n }),\n cliConfigData,\n configArrayFactory,\n configCache: new Map(),\n cwd,\n finalizeCache: new WeakMap(),\n ignorePath,\n rulePaths,\n specificConfigPath,\n useEslintrc,\n builtInRules,\n loadRules\n });\n }\n\n /**\n * The path to the current working directory.\n * This is used by tests.\n * @type {string}\n */\n get cwd() {\n const { cwd } = internalSlotsMap.get(this);\n\n return cwd;\n }\n\n /**\n * Get the config array of a given file.\n * If `filePath` was not given, it returns the config which contains only\n * `baseConfigData` and `cliConfigData`.\n * @param {string} [filePath] The file path to a file.\n * @param {Object} [options] The options.\n * @param {boolean} [options.ignoreNotFoundError] If `true` then it doesn't throw `ConfigurationNotFoundError`.\n * @returns {ConfigArray} The config array of the file.\n */\n getConfigArrayForFile(filePath, { ignoreNotFoundError = false } = {}) {\n const {\n baseConfigArray,\n cliConfigArray,\n cwd\n } = internalSlotsMap.get(this);\n\n if (!filePath) {\n return new ConfigArray(...baseConfigArray, ...cliConfigArray);\n }\n\n const directoryPath = path.dirname(path.resolve(cwd, filePath));\n\n debug(`Load config files for ${directoryPath}.`);\n\n return this._finalizeConfigArray(\n this._loadConfigInAncestors(directoryPath),\n directoryPath,\n ignoreNotFoundError\n );\n }\n\n /**\n * Set the config data to override all configs.\n * Require to call `clearCache()` method after this method is called.\n * @param {ConfigData} configData The config data to override all configs.\n * @returns {void}\n */\n setOverrideConfig(configData) {\n const slots = internalSlotsMap.get(this);\n\n slots.cliConfigData = configData;\n }\n\n /**\n * Clear config cache.\n * @returns {void}\n */\n clearCache() {\n const slots = internalSlotsMap.get(this);\n\n slots.baseConfigArray = createBaseConfigArray(slots);\n slots.cliConfigArray = createCLIConfigArray(slots);\n slots.configCache.clear();\n }\n\n /**\n * Load and normalize config files from the ancestor directories.\n * @param {string} directoryPath The path to a leaf directory.\n * @param {boolean} configsExistInSubdirs `true` if configurations exist in subdirectories.\n * @returns {ConfigArray} The loaded config.\n * @throws {Error} If a config file is invalid.\n * @private\n */\n _loadConfigInAncestors(directoryPath, configsExistInSubdirs = false) {\n const {\n baseConfigArray,\n configArrayFactory,\n configCache,\n cwd,\n useEslintrc\n } = internalSlotsMap.get(this);\n\n if (!useEslintrc) {\n return baseConfigArray;\n }\n\n let configArray = configCache.get(directoryPath);\n\n // Hit cache.\n if (configArray) {\n debug(`Cache hit: ${directoryPath}.`);\n return configArray;\n }\n debug(`No cache found: ${directoryPath}.`);\n\n const homePath = os.homedir();\n\n // Consider this is root.\n if (directoryPath === homePath && cwd !== homePath) {\n debug(\"Stop traversing because of considered root.\");\n if (configsExistInSubdirs) {\n const filePath = ConfigArrayFactory.getPathToConfigFileInDirectory(directoryPath);\n\n if (filePath) {\n emitDeprecationWarning(\n filePath,\n \"ESLINT_PERSONAL_CONFIG_SUPPRESS\"\n );\n }\n }\n return this._cacheConfig(directoryPath, baseConfigArray);\n }\n\n // Load the config on this directory.\n try {\n configArray = configArrayFactory.loadInDirectory(directoryPath);\n } catch (error) {\n /* istanbul ignore next */\n if (error.code === \"EACCES\") {\n debug(\"Stop traversing because of 'EACCES' error.\");\n return this._cacheConfig(directoryPath, baseConfigArray);\n }\n throw error;\n }\n\n if (configArray.length > 0 && configArray.isRoot()) {\n debug(\"Stop traversing because of 'root:true'.\");\n configArray.unshift(...baseConfigArray);\n return this._cacheConfig(directoryPath, configArray);\n }\n\n // Load from the ancestors and merge it.\n const parentPath = path.dirname(directoryPath);\n const parentConfigArray = parentPath && parentPath !== directoryPath\n ? this._loadConfigInAncestors(\n parentPath,\n configsExistInSubdirs || configArray.length > 0\n )\n : baseConfigArray;\n\n if (configArray.length > 0) {\n configArray.unshift(...parentConfigArray);\n } else {\n configArray = parentConfigArray;\n }\n\n // Cache and return.\n return this._cacheConfig(directoryPath, configArray);\n }\n\n /**\n * Freeze and cache a given config.\n * @param {string} directoryPath The path to a directory as a cache key.\n * @param {ConfigArray} configArray The config array as a cache value.\n * @returns {ConfigArray} The `configArray` (frozen).\n */\n _cacheConfig(directoryPath, configArray) {\n const { configCache } = internalSlotsMap.get(this);\n\n Object.freeze(configArray);\n configCache.set(directoryPath, configArray);\n\n return configArray;\n }\n\n /**\n * Finalize a given config array.\n * Concatenate `--config` and other CLI options.\n * @param {ConfigArray} configArray The parent config array.\n * @param {string} directoryPath The path to the leaf directory to find config files.\n * @param {boolean} ignoreNotFoundError If `true` then it doesn't throw `ConfigurationNotFoundError`.\n * @returns {ConfigArray} The loaded config.\n * @throws {Error} If a config file is invalid.\n * @private\n */\n _finalizeConfigArray(configArray, directoryPath, ignoreNotFoundError) {\n const {\n cliConfigArray,\n configArrayFactory,\n finalizeCache,\n useEslintrc,\n builtInRules\n } = internalSlotsMap.get(this);\n\n let finalConfigArray = finalizeCache.get(configArray);\n\n if (!finalConfigArray) {\n finalConfigArray = configArray;\n\n // Load the personal config if there are no regular config files.\n if (\n useEslintrc &&\n configArray.every(c => !c.filePath) &&\n cliConfigArray.every(c => !c.filePath) // `--config` option can be a file.\n ) {\n const homePath = os.homedir();\n\n debug(\"Loading the config file of the home directory:\", homePath);\n\n const personalConfigArray = configArrayFactory.loadInDirectory(\n homePath,\n { name: \"PersonalConfig\" }\n );\n\n if (\n personalConfigArray.length > 0 &&\n !directoryPath.startsWith(homePath)\n ) {\n const lastElement =\n personalConfigArray.at(-1);\n\n emitDeprecationWarning(\n lastElement.filePath,\n \"ESLINT_PERSONAL_CONFIG_LOAD\"\n );\n }\n\n finalConfigArray = finalConfigArray.concat(personalConfigArray);\n }\n\n // Apply CLI options.\n if (cliConfigArray.length > 0) {\n finalConfigArray = finalConfigArray.concat(cliConfigArray);\n }\n\n // Validate rule settings and environments.\n const validator = new ConfigValidator({\n builtInRules\n });\n\n validator.validateConfigArray(finalConfigArray);\n\n // Cache it.\n Object.freeze(finalConfigArray);\n finalizeCache.set(configArray, finalConfigArray);\n\n debug(\n \"Configuration was determined: %o on %s\",\n finalConfigArray,\n directoryPath\n );\n }\n\n // At least one element (the default ignore patterns) exists.\n if (!ignoreNotFoundError && useEslintrc && finalConfigArray.length <= 1) {\n throw new ConfigurationNotFoundError(directoryPath);\n }\n\n return finalConfigArray;\n }\n}\n\n//------------------------------------------------------------------------------\n// Public Interface\n//------------------------------------------------------------------------------\n\nexport { CascadingConfigArrayFactory };\n","/**\n * @fileoverview Compatibility class for flat config.\n * @author Nicholas C. Zakas\n */\n\n//-----------------------------------------------------------------------------\n// Requirements\n//-----------------------------------------------------------------------------\n\nimport createDebug from \"debug\";\nimport path from \"node:path\";\n\nimport environments from \"../conf/environments.js\";\nimport { ConfigArrayFactory } from \"./config-array-factory.js\";\n\n//-----------------------------------------------------------------------------\n// Helpers\n//-----------------------------------------------------------------------------\n\n/** @typedef {import(\"../../shared/types\").Environment} Environment */\n/** @typedef {import(\"../../shared/types\").Processor} Processor */\n\nconst debug = createDebug(\"eslintrc:flat-compat\");\nconst cafactory = Symbol(\"cafactory\");\n\n/**\n * Translates an ESLintRC-style config object into a flag-config-style config\n * object.\n * @param {Object} eslintrcConfig An ESLintRC-style config object.\n * @param {Object} options Options to help translate the config.\n * @param {string} options.resolveConfigRelativeTo To the directory to resolve\n * configs from.\n * @param {string} options.resolvePluginsRelativeTo The directory to resolve\n * plugins from.\n * @param {ReadOnlyMap} options.pluginEnvironments A map of plugin environment\n * names to objects.\n * @param {ReadOnlyMap} options.pluginProcessors A map of plugin processor\n * names to objects.\n * @returns {Object} A flag-config-style config object.\n * @throws {Error} If a plugin or environment cannot be resolved.\n */\nfunction translateESLintRC(eslintrcConfig, {\n resolveConfigRelativeTo,\n resolvePluginsRelativeTo,\n pluginEnvironments,\n pluginProcessors\n}) {\n\n const flatConfig = {};\n const configs = [];\n const languageOptions = {};\n const linterOptions = {};\n const keysToCopy = [\"settings\", \"rules\", \"processor\"];\n const languageOptionsKeysToCopy = [\"globals\", \"parser\", \"parserOptions\"];\n const linterOptionsKeysToCopy = [\"noInlineConfig\", \"reportUnusedDisableDirectives\"];\n\n // copy over simple translations\n for (const key of keysToCopy) {\n if (key in eslintrcConfig && typeof eslintrcConfig[key] !== \"undefined\") {\n flatConfig[key] = eslintrcConfig[key];\n }\n }\n\n // copy over languageOptions\n for (const key of languageOptionsKeysToCopy) {\n if (key in eslintrcConfig && typeof eslintrcConfig[key] !== \"undefined\") {\n\n // create the languageOptions key in the flat config\n flatConfig.languageOptions = languageOptions;\n\n if (key === \"parser\") {\n debug(`Resolving parser '${languageOptions[key]}' relative to ${resolveConfigRelativeTo}`);\n\n if (eslintrcConfig[key].error) {\n throw eslintrcConfig[key].error;\n }\n\n languageOptions[key] = eslintrcConfig[key].definition;\n continue;\n }\n\n // clone any object values that are in the eslintrc config\n if (eslintrcConfig[key] && typeof eslintrcConfig[key] === \"object\") {\n languageOptions[key] = {\n ...eslintrcConfig[key]\n };\n } else {\n languageOptions[key] = eslintrcConfig[key];\n }\n }\n }\n\n // copy over linterOptions\n for (const key of linterOptionsKeysToCopy) {\n if (key in eslintrcConfig && typeof eslintrcConfig[key] !== \"undefined\") {\n flatConfig.linterOptions = linterOptions;\n linterOptions[key] = eslintrcConfig[key];\n }\n }\n\n // move ecmaVersion a level up\n if (languageOptions.parserOptions) {\n\n if (\"ecmaVersion\" in languageOptions.parserOptions) {\n languageOptions.ecmaVersion = languageOptions.parserOptions.ecmaVersion;\n delete languageOptions.parserOptions.ecmaVersion;\n }\n\n if (\"sourceType\" in languageOptions.parserOptions) {\n languageOptions.sourceType = languageOptions.parserOptions.sourceType;\n delete languageOptions.parserOptions.sourceType;\n }\n\n // check to see if we even need parserOptions anymore and remove it if not\n if (Object.keys(languageOptions.parserOptions).length === 0) {\n delete languageOptions.parserOptions;\n }\n }\n\n // overrides\n if (eslintrcConfig.criteria) {\n flatConfig.files = [absoluteFilePath => eslintrcConfig.criteria.test(absoluteFilePath)];\n }\n\n // translate plugins\n if (eslintrcConfig.plugins && typeof eslintrcConfig.plugins === \"object\") {\n debug(`Translating plugins: ${eslintrcConfig.plugins}`);\n\n flatConfig.plugins = {};\n\n for (const pluginName of Object.keys(eslintrcConfig.plugins)) {\n\n debug(`Translating plugin: ${pluginName}`);\n debug(`Resolving plugin '${pluginName} relative to ${resolvePluginsRelativeTo}`);\n\n const { original: plugin, error } = eslintrcConfig.plugins[pluginName];\n\n if (error) {\n throw error;\n }\n\n flatConfig.plugins[pluginName] = plugin;\n\n // create a config for any processors\n if (plugin.processors) {\n for (const processorName of Object.keys(plugin.processors)) {\n if (processorName.startsWith(\".\")) {\n debug(`Assigning processor: ${pluginName}/${processorName}`);\n\n configs.unshift({\n files: [`**/*${processorName}`],\n processor: pluginProcessors.get(`${pluginName}/${processorName}`)\n });\n }\n\n }\n }\n }\n }\n\n // translate env - must come after plugins\n if (eslintrcConfig.env && typeof eslintrcConfig.env === \"object\") {\n for (const envName of Object.keys(eslintrcConfig.env)) {\n\n // only add environments that are true\n if (eslintrcConfig.env[envName]) {\n debug(`Translating environment: ${envName}`);\n\n if (environments.has(envName)) {\n\n // built-in environments should be defined first\n configs.unshift(...translateESLintRC({\n criteria: eslintrcConfig.criteria,\n ...environments.get(envName)\n }, {\n resolveConfigRelativeTo,\n resolvePluginsRelativeTo\n }));\n } else if (pluginEnvironments.has(envName)) {\n\n // if the environment comes from a plugin, it should come after the plugin config\n configs.push(...translateESLintRC({\n criteria: eslintrcConfig.criteria,\n ...pluginEnvironments.get(envName)\n }, {\n resolveConfigRelativeTo,\n resolvePluginsRelativeTo\n }));\n }\n }\n }\n }\n\n // only add if there are actually keys in the config\n if (Object.keys(flatConfig).length > 0) {\n configs.push(flatConfig);\n }\n\n return configs;\n}\n\n\n//-----------------------------------------------------------------------------\n// Exports\n//-----------------------------------------------------------------------------\n\n/**\n * A compatibility class for working with configs.\n */\nclass FlatCompat {\n\n constructor({\n baseDirectory = process.cwd(),\n resolvePluginsRelativeTo = baseDirectory,\n recommendedConfig,\n allConfig\n } = {}) {\n this.baseDirectory = baseDirectory;\n this.resolvePluginsRelativeTo = resolvePluginsRelativeTo;\n this[cafactory] = new ConfigArrayFactory({\n cwd: baseDirectory,\n resolvePluginsRelativeTo,\n getEslintAllConfig() {\n\n if (!allConfig) {\n throw new TypeError(\"Missing parameter 'allConfig' in FlatCompat constructor.\");\n }\n\n // remove name property if it exists\n const config = { ...allConfig };\n\n delete config.name;\n\n return config;\n },\n getEslintRecommendedConfig() {\n\n if (!recommendedConfig) {\n throw new TypeError(\"Missing parameter 'recommendedConfig' in FlatCompat constructor.\");\n }\n\n // remove name property if it exists\n const config = { ...recommendedConfig };\n\n delete config.name;\n\n return config;\n }\n });\n }\n\n /**\n * Translates an ESLintRC-style config into a flag-config-style config.\n * @param {Object} eslintrcConfig The ESLintRC-style config object.\n * @returns {Object} A flag-config-style config object.\n */\n config(eslintrcConfig) {\n const eslintrcArray = this[cafactory].create(eslintrcConfig, {\n basePath: this.baseDirectory\n });\n\n const flatArray = [];\n let hasIgnorePatterns = false;\n\n eslintrcArray.forEach(configData => {\n if (configData.type === \"config\") {\n hasIgnorePatterns = hasIgnorePatterns || configData.ignorePattern;\n flatArray.push(...translateESLintRC(configData, {\n resolveConfigRelativeTo: path.join(this.baseDirectory, \"__placeholder.js\"),\n resolvePluginsRelativeTo: path.join(this.resolvePluginsRelativeTo, \"__placeholder.js\"),\n pluginEnvironments: eslintrcArray.pluginEnvironments,\n pluginProcessors: eslintrcArray.pluginProcessors\n }));\n }\n });\n\n // combine ignorePatterns to emulate ESLintRC behavior better\n if (hasIgnorePatterns) {\n flatArray.unshift({\n ignores: [filePath => {\n\n // Compute the final config for this file.\n // This filters config array elements by `files`/`excludedFiles` then merges the elements.\n const finalConfig = eslintrcArray.extractConfig(filePath);\n\n // Test the `ignorePattern` properties of the final config.\n return Boolean(finalConfig.ignores) && finalConfig.ignores(filePath);\n }]\n });\n }\n\n return flatArray;\n }\n\n /**\n * Translates the `env` section of an ESLintRC-style config.\n * @param {Object} envConfig The `env` section of an ESLintRC config.\n * @returns {Object[]} An array of flag-config objects representing the environments.\n */\n env(envConfig) {\n return this.config({\n env: envConfig\n });\n }\n\n /**\n * Translates the `extends` section of an ESLintRC-style config.\n * @param {...string} configsToExtend The names of the configs to load.\n * @returns {Object[]} An array of flag-config objects representing the config.\n */\n extends(...configsToExtend) {\n return this.config({\n extends: configsToExtend\n });\n }\n\n /**\n * Translates the `plugins` section of an ESLintRC-style config.\n * @param {...string} plugins The names of the plugins to load.\n * @returns {Object[]} An array of flag-config objects representing the plugins.\n */\n plugins(...plugins) {\n return this.config({\n plugins\n });\n }\n}\n\nexport { FlatCompat };\n","/**\n * @fileoverview Package exports for @eslint/eslintrc\n * @author Nicholas C. Zakas\n */\n//------------------------------------------------------------------------------\n// Requirements\n//------------------------------------------------------------------------------\n\nimport {\n ConfigArrayFactory,\n createContext as createConfigArrayFactoryContext,\n loadConfigFile\n} from \"./config-array-factory.js\";\n\nimport { CascadingConfigArrayFactory } from \"./cascading-config-array-factory.js\";\nimport * as ModuleResolver from \"./shared/relative-module-resolver.js\";\nimport { ConfigArray, getUsedExtractedConfigs } from \"./config-array/index.js\";\nimport { ConfigDependency } from \"./config-array/config-dependency.js\";\nimport { ExtractedConfig } from \"./config-array/extracted-config.js\";\nimport { IgnorePattern } from \"./config-array/ignore-pattern.js\";\nimport { OverrideTester } from \"./config-array/override-tester.js\";\nimport * as ConfigOps from \"./shared/config-ops.js\";\nimport ConfigValidator from \"./shared/config-validator.js\";\nimport * as naming from \"./shared/naming.js\";\nimport { FlatCompat } from \"./flat-compat.js\";\nimport environments from \"../conf/environments.js\";\n\n//-----------------------------------------------------------------------------\n// Exports\n//-----------------------------------------------------------------------------\n\nconst Legacy = {\n ConfigArray,\n createConfigArrayFactoryContext,\n CascadingConfigArrayFactory,\n ConfigArrayFactory,\n ConfigDependency,\n ExtractedConfig,\n IgnorePattern,\n OverrideTester,\n getUsedExtractedConfigs,\n environments,\n loadConfigFile,\n\n // shared\n ConfigOps,\n ConfigValidator,\n ModuleResolver,\n naming\n};\n\nexport {\n\n Legacy,\n\n 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\ No newline at end of file diff --git a/module/node_modules/@eslint/eslintrc/dist/eslintrc.d.cts b/module/node_modules/@eslint/eslintrc/dist/eslintrc.d.cts new file mode 100644 index 000000000..258d3a5f0 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/dist/eslintrc.d.cts @@ -0,0 +1,76 @@ +/** + * @fileoverview This file contains the core types for ESLint. It was initially extracted + * from the `@types/eslint__eslintrc` package. + */ + +/* + * MIT License + * Copyright (c) Microsoft Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE + */ + +import type { Linter } from "eslint"; + +/** + * A compatibility class for working with configs. + */ +export class FlatCompat { + constructor({ + baseDirectory, + resolvePluginsRelativeTo, + recommendedConfig, + allConfig, + }?: { + /** + * default: process.cwd() + */ + baseDirectory?: string; + resolvePluginsRelativeTo?: string; + recommendedConfig?: Linter.LegacyConfig; + allConfig?: Linter.LegacyConfig; + }); + + /** + * Translates an ESLintRC-style config into a flag-config-style config. + * @param eslintrcConfig The ESLintRC-style config object. + * @returns A flag-config-style config object. + */ + config(eslintrcConfig: Linter.LegacyConfig): Linter.Config[]; + + /** + * Translates the `env` section of an ESLintRC-style config. + * @param envConfig The `env` section of an ESLintRC config. + * @returns An array of flag-config objects representing the environments. + */ + env(envConfig: { [name: string]: boolean }): Linter.Config[]; + + /** + * Translates the `extends` section of an ESLintRC-style config. + * @param configsToExtend The names of the configs to load. + * @returns An array of flag-config objects representing the config. + */ + extends(...configsToExtend: string[]): Linter.Config[]; + + /** + * Translates the `plugins` section of an ESLintRC-style config. + * @param plugins The names of the plugins to load. + * @returns An array of flag-config objects representing the plugins. + */ + plugins(...plugins: string[]): Linter.Config[]; +} diff --git a/module/node_modules/@eslint/eslintrc/lib/cascading-config-array-factory.js b/module/node_modules/@eslint/eslintrc/lib/cascading-config-array-factory.js new file mode 100644 index 000000000..71549107f --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/cascading-config-array-factory.js @@ -0,0 +1,534 @@ +/** + * @fileoverview `CascadingConfigArrayFactory` class. + * + * `CascadingConfigArrayFactory` class has a responsibility: + * + * 1. Handles cascading of config files. + * + * It provides two methods: + * + * - `getConfigArrayForFile(filePath)` + * Get the corresponded configuration of a given file. This method doesn't + * throw even if the given file didn't exist. + * - `clearCache()` + * Clear the internal cache. You have to call this method when + * `additionalPluginPool` was updated if `baseConfig` or `cliConfig` depends + * on the additional plugins. (`CLIEngine#addPlugin()` method calls this.) + * + * @author Toru Nagashima + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +import debugOrig from "debug"; +import os from "node:os"; +import path from "node:path"; + +import { ConfigArrayFactory } from "./config-array-factory.js"; +import { + ConfigArray, + ConfigDependency, + IgnorePattern +} from "./config-array/index.js"; +import ConfigValidator from "./shared/config-validator.js"; +import { emitDeprecationWarning } from "./shared/deprecation-warnings.js"; + +const debug = debugOrig("eslintrc:cascading-config-array-factory"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +// Define types for VSCode IntelliSense. +/** @typedef {import("./shared/types").ConfigData} ConfigData */ +/** @typedef {import("./shared/types").Parser} Parser */ +/** @typedef {import("./shared/types").Plugin} Plugin */ +/** @typedef {import("./shared/types").Rule} Rule */ +/** @typedef {ReturnType} ConfigArray */ + +/** + * @typedef {Object} CascadingConfigArrayFactoryOptions + * @property {Map} [additionalPluginPool] The map for additional plugins. + * @property {ConfigData} [baseConfig] The config by `baseConfig` option. + * @property {ConfigData} [cliConfig] The config by CLI options (`--env`, `--global`, `--ignore-pattern`, `--parser`, `--parser-options`, `--plugin`, and `--rule`). CLI options overwrite the setting in config files. + * @property {string} [cwd] The base directory to start lookup. + * @property {string} [ignorePath] The path to the alternative file of `.eslintignore`. + * @property {string[]} [rulePaths] The value of `--rulesdir` option. + * @property {string} [specificConfigPath] The value of `--config` option. + * @property {boolean} [useEslintrc] if `false` then it doesn't load config files. + * @property {Function} loadRules The function to use to load rules. + * @property {Map} builtInRules The rules that are built in to ESLint. + * @property {Object} [resolver=ModuleResolver] The module resolver object. + * @property {string} eslintAllPath The path to the definitions for eslint:all. + * @property {Function} getEslintAllConfig Returns the config data for eslint:all. + * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended. + * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended. + */ + +/** + * @typedef {Object} CascadingConfigArrayFactoryInternalSlots + * @property {ConfigArray} baseConfigArray The config array of `baseConfig` option. + * @property {ConfigData} baseConfigData The config data of `baseConfig` option. This is used to reset `baseConfigArray`. + * @property {ConfigArray} cliConfigArray The config array of CLI options. + * @property {ConfigData} cliConfigData The config data of CLI options. This is used to reset `cliConfigArray`. + * @property {ConfigArrayFactory} configArrayFactory The factory for config arrays. + * @property {Map} configCache The cache from directory paths to config arrays. + * @property {string} cwd The base directory to start lookup. + * @property {WeakMap} finalizeCache The cache from config arrays to finalized config arrays. + * @property {string} [ignorePath] The path to the alternative file of `.eslintignore`. + * @property {string[]|null} rulePaths The value of `--rulesdir` option. This is used to reset `baseConfigArray`. + * @property {string|null} specificConfigPath The value of `--config` option. This is used to reset `cliConfigArray`. + * @property {boolean} useEslintrc if `false` then it doesn't load config files. + * @property {Function} loadRules The function to use to load rules. + * @property {Map} builtInRules The rules that are built in to ESLint. + * @property {Object} [resolver=ModuleResolver] The module resolver object. + * @property {string} eslintAllPath The path to the definitions for eslint:all. + * @property {Function} getEslintAllConfig Returns the config data for eslint:all. + * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended. + * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended. + */ + +/** @type {WeakMap} */ +const internalSlotsMap = new WeakMap(); + +/** + * Create the config array from `baseConfig` and `rulePaths`. + * @param {CascadingConfigArrayFactoryInternalSlots} slots The slots. + * @returns {ConfigArray} The config array of the base configs. + */ +function createBaseConfigArray({ + configArrayFactory, + baseConfigData, + rulePaths, + cwd, + loadRules +}) { + const baseConfigArray = configArrayFactory.create( + baseConfigData, + { name: "BaseConfig" } + ); + + /* + * Create the config array element for the default ignore patterns. + * This element has `ignorePattern` property that ignores the default + * patterns in the current working directory. + */ + baseConfigArray.unshift(configArrayFactory.create( + { ignorePatterns: IgnorePattern.DefaultPatterns }, + { name: "DefaultIgnorePattern" } + )[0]); + + /* + * Load rules `--rulesdir` option as a pseudo plugin. + * Use a pseudo plugin to define rules of `--rulesdir`, so we can validate + * the rule's options with only information in the config array. + */ + if (rulePaths && rulePaths.length > 0) { + baseConfigArray.push({ + type: "config", + name: "--rulesdir", + filePath: "", + plugins: { + "": new ConfigDependency({ + definition: { + rules: rulePaths.reduce( + (map, rulesPath) => Object.assign( + map, + loadRules(rulesPath, cwd) + ), + {} + ) + }, + filePath: "", + id: "", + importerName: "--rulesdir", + importerPath: "" + }) + } + }); + } + + return baseConfigArray; +} + +/** + * Create the config array from CLI options. + * @param {CascadingConfigArrayFactoryInternalSlots} slots The slots. + * @returns {ConfigArray} The config array of the base configs. + */ +function createCLIConfigArray({ + cliConfigData, + configArrayFactory, + cwd, + ignorePath, + specificConfigPath +}) { + const cliConfigArray = configArrayFactory.create( + cliConfigData, + { name: "CLIOptions" } + ); + + cliConfigArray.unshift( + ...(ignorePath + ? configArrayFactory.loadESLintIgnore(ignorePath) + : configArrayFactory.loadDefaultESLintIgnore()) + ); + + if (specificConfigPath) { + cliConfigArray.unshift( + ...configArrayFactory.loadFile( + specificConfigPath, + { name: "--config", basePath: cwd } + ) + ); + } + + return cliConfigArray; +} + +/** + * The error type when there are files matched by a glob, but all of them have been ignored. + */ +class ConfigurationNotFoundError extends Error { + + + /** + * @param {string} directoryPath The directory path. + */ + constructor(directoryPath) { + super(`No ESLint configuration found in ${directoryPath}.`); + this.messageTemplate = "no-config-found"; + this.messageData = { directoryPath }; + } +} + +/** + * This class provides the functionality that enumerates every file which is + * matched by given glob patterns and that configuration. + */ +class CascadingConfigArrayFactory { + + /** + * Initialize this enumerator. + * @param {CascadingConfigArrayFactoryOptions} options The options. + */ + constructor({ + additionalPluginPool = new Map(), + baseConfig: baseConfigData = null, + cliConfig: cliConfigData = null, + cwd = process.cwd(), + ignorePath, + resolvePluginsRelativeTo, + rulePaths = [], + specificConfigPath = null, + useEslintrc = true, + builtInRules = new Map(), + loadRules, + resolver, + eslintRecommendedPath, + getEslintRecommendedConfig, + eslintAllPath, + getEslintAllConfig + } = {}) { + const configArrayFactory = new ConfigArrayFactory({ + additionalPluginPool, + cwd, + resolvePluginsRelativeTo, + builtInRules, + resolver, + eslintRecommendedPath, + getEslintRecommendedConfig, + eslintAllPath, + getEslintAllConfig + }); + + internalSlotsMap.set(this, { + baseConfigArray: createBaseConfigArray({ + baseConfigData, + configArrayFactory, + cwd, + rulePaths, + loadRules + }), + baseConfigData, + cliConfigArray: createCLIConfigArray({ + cliConfigData, + configArrayFactory, + cwd, + ignorePath, + specificConfigPath + }), + cliConfigData, + configArrayFactory, + configCache: new Map(), + cwd, + finalizeCache: new WeakMap(), + ignorePath, + rulePaths, + specificConfigPath, + useEslintrc, + builtInRules, + loadRules + }); + } + + /** + * The path to the current working directory. + * This is used by tests. + * @type {string} + */ + get cwd() { + const { cwd } = internalSlotsMap.get(this); + + return cwd; + } + + /** + * Get the config array of a given file. + * If `filePath` was not given, it returns the config which contains only + * `baseConfigData` and `cliConfigData`. + * @param {string} [filePath] The file path to a file. + * @param {Object} [options] The options. + * @param {boolean} [options.ignoreNotFoundError] If `true` then it doesn't throw `ConfigurationNotFoundError`. + * @returns {ConfigArray} The config array of the file. + */ + getConfigArrayForFile(filePath, { ignoreNotFoundError = false } = {}) { + const { + baseConfigArray, + cliConfigArray, + cwd + } = internalSlotsMap.get(this); + + if (!filePath) { + return new ConfigArray(...baseConfigArray, ...cliConfigArray); + } + + const directoryPath = path.dirname(path.resolve(cwd, filePath)); + + debug(`Load config files for ${directoryPath}.`); + + return this._finalizeConfigArray( + this._loadConfigInAncestors(directoryPath), + directoryPath, + ignoreNotFoundError + ); + } + + /** + * Set the config data to override all configs. + * Require to call `clearCache()` method after this method is called. + * @param {ConfigData} configData The config data to override all configs. + * @returns {void} + */ + setOverrideConfig(configData) { + const slots = internalSlotsMap.get(this); + + slots.cliConfigData = configData; + } + + /** + * Clear config cache. + * @returns {void} + */ + clearCache() { + const slots = internalSlotsMap.get(this); + + slots.baseConfigArray = createBaseConfigArray(slots); + slots.cliConfigArray = createCLIConfigArray(slots); + slots.configCache.clear(); + } + + /** + * Load and normalize config files from the ancestor directories. + * @param {string} directoryPath The path to a leaf directory. + * @param {boolean} configsExistInSubdirs `true` if configurations exist in subdirectories. + * @returns {ConfigArray} The loaded config. + * @throws {Error} If a config file is invalid. + * @private + */ + _loadConfigInAncestors(directoryPath, configsExistInSubdirs = false) { + const { + baseConfigArray, + configArrayFactory, + configCache, + cwd, + useEslintrc + } = internalSlotsMap.get(this); + + if (!useEslintrc) { + return baseConfigArray; + } + + let configArray = configCache.get(directoryPath); + + // Hit cache. + if (configArray) { + debug(`Cache hit: ${directoryPath}.`); + return configArray; + } + debug(`No cache found: ${directoryPath}.`); + + const homePath = os.homedir(); + + // Consider this is root. + if (directoryPath === homePath && cwd !== homePath) { + debug("Stop traversing because of considered root."); + if (configsExistInSubdirs) { + const filePath = ConfigArrayFactory.getPathToConfigFileInDirectory(directoryPath); + + if (filePath) { + emitDeprecationWarning( + filePath, + "ESLINT_PERSONAL_CONFIG_SUPPRESS" + ); + } + } + return this._cacheConfig(directoryPath, baseConfigArray); + } + + // Load the config on this directory. + try { + configArray = configArrayFactory.loadInDirectory(directoryPath); + } catch (error) { + /* istanbul ignore next */ + if (error.code === "EACCES") { + debug("Stop traversing because of 'EACCES' error."); + return this._cacheConfig(directoryPath, baseConfigArray); + } + throw error; + } + + if (configArray.length > 0 && configArray.isRoot()) { + debug("Stop traversing because of 'root:true'."); + configArray.unshift(...baseConfigArray); + return this._cacheConfig(directoryPath, configArray); + } + + // Load from the ancestors and merge it. + const parentPath = path.dirname(directoryPath); + const parentConfigArray = parentPath && parentPath !== directoryPath + ? this._loadConfigInAncestors( + parentPath, + configsExistInSubdirs || configArray.length > 0 + ) + : baseConfigArray; + + if (configArray.length > 0) { + configArray.unshift(...parentConfigArray); + } else { + configArray = parentConfigArray; + } + + // Cache and return. + return this._cacheConfig(directoryPath, configArray); + } + + /** + * Freeze and cache a given config. + * @param {string} directoryPath The path to a directory as a cache key. + * @param {ConfigArray} configArray The config array as a cache value. + * @returns {ConfigArray} The `configArray` (frozen). + */ + _cacheConfig(directoryPath, configArray) { + const { configCache } = internalSlotsMap.get(this); + + Object.freeze(configArray); + configCache.set(directoryPath, configArray); + + return configArray; + } + + /** + * Finalize a given config array. + * Concatenate `--config` and other CLI options. + * @param {ConfigArray} configArray The parent config array. + * @param {string} directoryPath The path to the leaf directory to find config files. + * @param {boolean} ignoreNotFoundError If `true` then it doesn't throw `ConfigurationNotFoundError`. + * @returns {ConfigArray} The loaded config. + * @throws {Error} If a config file is invalid. + * @private + */ + _finalizeConfigArray(configArray, directoryPath, ignoreNotFoundError) { + const { + cliConfigArray, + configArrayFactory, + finalizeCache, + useEslintrc, + builtInRules + } = internalSlotsMap.get(this); + + let finalConfigArray = finalizeCache.get(configArray); + + if (!finalConfigArray) { + finalConfigArray = configArray; + + // Load the personal config if there are no regular config files. + if ( + useEslintrc && + configArray.every(c => !c.filePath) && + cliConfigArray.every(c => !c.filePath) // `--config` option can be a file. + ) { + const homePath = os.homedir(); + + debug("Loading the config file of the home directory:", homePath); + + const personalConfigArray = configArrayFactory.loadInDirectory( + homePath, + { name: "PersonalConfig" } + ); + + if ( + personalConfigArray.length > 0 && + !directoryPath.startsWith(homePath) + ) { + const lastElement = + personalConfigArray.at(-1); + + emitDeprecationWarning( + lastElement.filePath, + "ESLINT_PERSONAL_CONFIG_LOAD" + ); + } + + finalConfigArray = finalConfigArray.concat(personalConfigArray); + } + + // Apply CLI options. + if (cliConfigArray.length > 0) { + finalConfigArray = finalConfigArray.concat(cliConfigArray); + } + + // Validate rule settings and environments. + const validator = new ConfigValidator({ + builtInRules + }); + + validator.validateConfigArray(finalConfigArray); + + // Cache it. + Object.freeze(finalConfigArray); + finalizeCache.set(configArray, finalConfigArray); + + debug( + "Configuration was determined: %o on %s", + finalConfigArray, + directoryPath + ); + } + + // At least one element (the default ignore patterns) exists. + if (!ignoreNotFoundError && useEslintrc && finalConfigArray.length <= 1) { + throw new ConfigurationNotFoundError(directoryPath); + } + + return finalConfigArray; + } +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +export { CascadingConfigArrayFactory }; diff --git a/module/node_modules/@eslint/eslintrc/lib/config-array-factory.js b/module/node_modules/@eslint/eslintrc/lib/config-array-factory.js new file mode 100644 index 000000000..5c7c3ef07 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/config-array-factory.js @@ -0,0 +1,1162 @@ +/** + * @fileoverview The factory of `ConfigArray` objects. + * + * This class provides methods to create `ConfigArray` instance. + * + * - `create(configData, options)` + * Create a `ConfigArray` instance from a config data. This is to handle CLI + * options except `--config`. + * - `loadFile(filePath, options)` + * Create a `ConfigArray` instance from a config file. This is to handle + * `--config` option. If the file was not found, throws the following error: + * - If the filename was `*.js`, a `MODULE_NOT_FOUND` error. + * - If the filename was `package.json`, an IO error or an + * `ESLINT_CONFIG_FIELD_NOT_FOUND` error. + * - Otherwise, an IO error such as `ENOENT`. + * - `loadInDirectory(directoryPath, options)` + * Create a `ConfigArray` instance from a config file which is on a given + * directory. This tries to load `.eslintrc.*` or `package.json`. If not + * found, returns an empty `ConfigArray`. + * - `loadESLintIgnore(filePath)` + * Create a `ConfigArray` instance from a config file that is `.eslintignore` + * format. This is to handle `--ignore-path` option. + * - `loadDefaultESLintIgnore()` + * Create a `ConfigArray` instance from `.eslintignore` or `package.json` in + * the current working directory. + * + * `ConfigArrayFactory` class has the responsibility that loads configuration + * files, including loading `extends`, `parser`, and `plugins`. The created + * `ConfigArray` instance has the loaded `extends`, `parser`, and `plugins`. + * + * But this class doesn't handle cascading. `CascadingConfigArrayFactory` class + * handles cascading and hierarchy. + * + * @author Toru Nagashima + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +import debugOrig from "debug"; +import fs from "node:fs"; +import importFresh from "import-fresh"; +import { createRequire } from "node:module"; +import path from "node:path"; +import stripComments from "strip-json-comments"; + +import { + ConfigArray, + ConfigDependency, + IgnorePattern, + OverrideTester +} from "./config-array/index.js"; +import ConfigValidator from "./shared/config-validator.js"; +import * as naming from "./shared/naming.js"; +import * as ModuleResolver from "./shared/relative-module-resolver.js"; + +const require = createRequire(import.meta.url); + +const debug = debugOrig("eslintrc:config-array-factory"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const configFilenames = [ + ".eslintrc.js", + ".eslintrc.cjs", + ".eslintrc.yaml", + ".eslintrc.yml", + ".eslintrc.json", + ".eslintrc", + "package.json" +]; + +// Define types for VSCode IntelliSense. +/** @typedef {import("./shared/types").ConfigData} ConfigData */ +/** @typedef {import("./shared/types").OverrideConfigData} OverrideConfigData */ +/** @typedef {import("./shared/types").Parser} Parser */ +/** @typedef {import("./shared/types").Plugin} Plugin */ +/** @typedef {import("./shared/types").Rule} Rule */ +/** @typedef {import("./config-array/config-dependency").DependentParser} DependentParser */ +/** @typedef {import("./config-array/config-dependency").DependentPlugin} DependentPlugin */ +/** @typedef {ConfigArray[0]} ConfigArrayElement */ + +/** + * @typedef {Object} ConfigArrayFactoryOptions + * @property {Map} [additionalPluginPool] The map for additional plugins. + * @property {string} [cwd] The path to the current working directory. + * @property {string} [resolvePluginsRelativeTo] A path to the directory that plugins should be resolved from. Defaults to `cwd`. + * @property {Map} builtInRules The rules that are built in to ESLint. + * @property {Object} [resolver=ModuleResolver] The module resolver object. + * @property {string} eslintAllPath The path to the definitions for eslint:all. + * @property {Function} getEslintAllConfig Returns the config data for eslint:all. + * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended. + * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended. + */ + +/** + * @typedef {Object} ConfigArrayFactoryInternalSlots + * @property {Map} additionalPluginPool The map for additional plugins. + * @property {string} cwd The path to the current working directory. + * @property {string | undefined} resolvePluginsRelativeTo An absolute path the the directory that plugins should be resolved from. + * @property {Map} builtInRules The rules that are built in to ESLint. + * @property {Object} [resolver=ModuleResolver] The module resolver object. + * @property {string} eslintAllPath The path to the definitions for eslint:all. + * @property {Function} getEslintAllConfig Returns the config data for eslint:all. + * @property {string} eslintRecommendedPath The path to the definitions for eslint:recommended. + * @property {Function} getEslintRecommendedConfig Returns the config data for eslint:recommended. + */ + +/** + * @typedef {Object} ConfigArrayFactoryLoadingContext + * @property {string} filePath The path to the current configuration. + * @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`. + * @property {string} name The name of the current configuration. + * @property {string} pluginBasePath The base path to resolve plugins. + * @property {"config" | "ignore" | "implicit-processor"} type The type of the current configuration. This is `"config"` in normal. This is `"ignore"` if it came from `.eslintignore`. This is `"implicit-processor"` if it came from legacy file-extension processors. + */ + +/** + * @typedef {Object} ConfigArrayFactoryLoadingContext + * @property {string} filePath The path to the current configuration. + * @property {string} matchBasePath The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`. + * @property {string} name The name of the current configuration. + * @property {"config" | "ignore" | "implicit-processor"} type The type of the current configuration. This is `"config"` in normal. This is `"ignore"` if it came from `.eslintignore`. This is `"implicit-processor"` if it came from legacy file-extension processors. + */ + +/** @type {WeakMap} */ +const internalSlotsMap = new WeakMap(); + +/** @type {WeakMap} */ +const normalizedPlugins = new WeakMap(); + +/** + * Check if a given string is a file path. + * @param {string} nameOrPath A module name or file path. + * @returns {boolean} `true` if the `nameOrPath` is a file path. + */ +function isFilePath(nameOrPath) { + return ( + /^\.{1,2}[/\\]/u.test(nameOrPath) || + path.isAbsolute(nameOrPath) + ); +} + +/** + * Convenience wrapper for synchronously reading file contents. + * @param {string} filePath The filename to read. + * @returns {string} The file contents, with the BOM removed. + * @private + */ +function readFile(filePath) { + return fs.readFileSync(filePath, "utf8").replace(/^\ufeff/u, ""); +} + +/** + * Loads a YAML configuration from a file. + * @param {string} filePath The filename to load. + * @returns {ConfigData} The configuration object from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadYAMLConfigFile(filePath) { + debug(`Loading YAML config file: ${filePath}`); + + // lazy load YAML to improve performance when not used + const yaml = require("js-yaml"); + + try { + + // empty YAML file can be null, so always use + return yaml.load(readFile(filePath)) || {}; + } catch (e) { + debug(`Error reading YAML file: ${filePath}`); + e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`; + throw e; + } +} + +/** + * Loads a JSON configuration from a file. + * @param {string} filePath The filename to load. + * @returns {ConfigData} The configuration object from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadJSONConfigFile(filePath) { + debug(`Loading JSON config file: ${filePath}`); + + try { + return JSON.parse(stripComments(readFile(filePath))); + } catch (e) { + debug(`Error reading JSON file: ${filePath}`); + e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`; + e.messageTemplate = "failed-to-read-json"; + e.messageData = { + path: filePath, + message: e.message + }; + throw e; + } +} + +/** + * Loads a legacy (.eslintrc) configuration from a file. + * @param {string} filePath The filename to load. + * @returns {ConfigData} The configuration object from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadLegacyConfigFile(filePath) { + debug(`Loading legacy config file: ${filePath}`); + + // lazy load YAML to improve performance when not used + const yaml = require("js-yaml"); + + try { + return yaml.load(stripComments(readFile(filePath))) || /* istanbul ignore next */ {}; + } catch (e) { + debug("Error reading YAML file: %s\n%o", filePath, e); + e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`; + throw e; + } +} + +/** + * Loads a JavaScript configuration from a file. + * @param {string} filePath The filename to load. + * @returns {ConfigData} The configuration object from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadJSConfigFile(filePath) { + debug(`Loading JS config file: ${filePath}`); + try { + return importFresh(filePath); + } catch (e) { + debug(`Error reading JavaScript file: ${filePath}`); + e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`; + throw e; + } +} + +/** + * Loads a configuration from a package.json file. + * @param {string} filePath The filename to load. + * @returns {ConfigData} The configuration object from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadPackageJSONConfigFile(filePath) { + debug(`Loading package.json config file: ${filePath}`); + try { + const packageData = loadJSONConfigFile(filePath); + + if (!Object.hasOwn(packageData, "eslintConfig")) { + throw Object.assign( + new Error("package.json file doesn't have 'eslintConfig' field."), + { code: "ESLINT_CONFIG_FIELD_NOT_FOUND" } + ); + } + + return packageData.eslintConfig; + } catch (e) { + debug(`Error reading package.json file: ${filePath}`); + e.message = `Cannot read config file: ${filePath}\nError: ${e.message}`; + throw e; + } +} + +/** + * Loads a `.eslintignore` from a file. + * @param {string} filePath The filename to load. + * @returns {string[]} The ignore patterns from the file. + * @throws {Error} If the file cannot be read. + * @private + */ +function loadESLintIgnoreFile(filePath) { + debug(`Loading .eslintignore file: ${filePath}`); + + try { + return readFile(filePath) + .split(/\r?\n/gu) + .filter(line => line.trim() !== "" && !line.startsWith("#")); + } catch (e) { + debug(`Error reading .eslintignore file: ${filePath}`); + e.message = `Cannot read .eslintignore file: ${filePath}\nError: ${e.message}`; + throw e; + } +} + +/** + * Creates an error to notify about a missing config to extend from. + * @param {string} configName The name of the missing config. + * @param {string} importerName The name of the config that imported the missing config + * @param {string} messageTemplate The text template to source error strings from. + * @returns {Error} The error object to throw + * @private + */ +function configInvalidError(configName, importerName, messageTemplate) { + return Object.assign( + new Error(`Failed to load config "${configName}" to extend from.`), + { + messageTemplate, + messageData: { configName, importerName } + } + ); +} + +/** + * Loads a configuration file regardless of the source. Inspects the file path + * to determine the correctly way to load the config file. + * @param {string} filePath The path to the configuration. + * @returns {ConfigData|null} The configuration information. + * @private + */ +function loadConfigFile(filePath) { + switch (path.extname(filePath)) { + case ".js": + case ".cjs": + return loadJSConfigFile(filePath); + + case ".json": + if (path.basename(filePath) === "package.json") { + return loadPackageJSONConfigFile(filePath); + } + return loadJSONConfigFile(filePath); + + case ".yaml": + case ".yml": + return loadYAMLConfigFile(filePath); + + default: + return loadLegacyConfigFile(filePath); + } +} + +/** + * Write debug log. + * @param {string} request The requested module name. + * @param {string} relativeTo The file path to resolve the request relative to. + * @param {string} filePath The resolved file path. + * @returns {void} + */ +function writeDebugLogForLoading(request, relativeTo, filePath) { + /* istanbul ignore next */ + if (debug.enabled) { + let nameAndVersion = null; // eslint-disable-line no-useless-assignment -- known bug in the rule + + try { + const packageJsonPath = ModuleResolver.resolve( + `${request}/package.json`, + relativeTo + ); + const { version = "unknown" } = require(packageJsonPath); + + nameAndVersion = `${request}@${version}`; + } catch (error) { + debug("package.json was not found:", error.message); + nameAndVersion = request; + } + + debug("Loaded: %s (%s)", nameAndVersion, filePath); + } +} + +/** + * Create a new context with default values. + * @param {ConfigArrayFactoryInternalSlots} slots The internal slots. + * @param {"config" | "ignore" | "implicit-processor" | undefined} providedType The type of the current configuration. Default is `"config"`. + * @param {string | undefined} providedName The name of the current configuration. Default is the relative path from `cwd` to `filePath`. + * @param {string | undefined} providedFilePath The path to the current configuration. Default is empty string. + * @param {string | undefined} providedMatchBasePath The type of the current configuration. Default is the directory of `filePath` or `cwd`. + * @returns {ConfigArrayFactoryLoadingContext} The created context. + */ +function createContext( + { cwd, resolvePluginsRelativeTo }, + providedType, + providedName, + providedFilePath, + providedMatchBasePath +) { + const filePath = providedFilePath + ? path.resolve(cwd, providedFilePath) + : ""; + const matchBasePath = + (providedMatchBasePath && path.resolve(cwd, providedMatchBasePath)) || + (filePath && path.dirname(filePath)) || + cwd; + const name = + providedName || + (filePath && path.relative(cwd, filePath)) || + ""; + const pluginBasePath = + resolvePluginsRelativeTo || + (filePath && path.dirname(filePath)) || + cwd; + const type = providedType || "config"; + + return { filePath, matchBasePath, name, pluginBasePath, type }; +} + +/** + * Normalize a given plugin. + * - Ensure the object to have four properties: configs, environments, processors, and rules. + * - Ensure the object to not have other properties. + * @param {Plugin} plugin The plugin to normalize. + * @returns {Plugin} The normalized plugin. + */ +function normalizePlugin(plugin) { + + // first check the cache + let normalizedPlugin = normalizedPlugins.get(plugin); + + if (normalizedPlugin) { + return normalizedPlugin; + } + + normalizedPlugin = { + configs: plugin.configs || {}, + environments: plugin.environments || {}, + processors: plugin.processors || {}, + rules: plugin.rules || {} + }; + + // save the reference for later + normalizedPlugins.set(plugin, normalizedPlugin); + + return normalizedPlugin; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * The factory of `ConfigArray` objects. + */ +class ConfigArrayFactory { + + /** + * Initialize this instance. + * @param {ConfigArrayFactoryOptions} [options] The map for additional plugins. + */ + constructor({ + additionalPluginPool = new Map(), + cwd = process.cwd(), + resolvePluginsRelativeTo, + builtInRules, + resolver = ModuleResolver, + eslintAllPath, + getEslintAllConfig, + eslintRecommendedPath, + getEslintRecommendedConfig + } = {}) { + internalSlotsMap.set(this, { + additionalPluginPool, + cwd, + resolvePluginsRelativeTo: + resolvePluginsRelativeTo && + path.resolve(cwd, resolvePluginsRelativeTo), + builtInRules, + resolver, + eslintAllPath, + getEslintAllConfig, + eslintRecommendedPath, + getEslintRecommendedConfig + }); + } + + /** + * Create `ConfigArray` instance from a config data. + * @param {ConfigData|null} configData The config data to create. + * @param {Object} [options] The options. + * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`. + * @param {string} [options.filePath] The path to this config data. + * @param {string} [options.name] The config name. + * @returns {ConfigArray} Loaded config. + */ + create(configData, { basePath, filePath, name } = {}) { + if (!configData) { + return new ConfigArray(); + } + + const slots = internalSlotsMap.get(this); + const ctx = createContext(slots, "config", name, filePath, basePath); + const elements = this._normalizeConfigData(configData, ctx); + + return new ConfigArray(...elements); + } + + /** + * Load a config file. + * @param {string} filePath The path to a config file. + * @param {Object} [options] The options. + * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`. + * @param {string} [options.name] The config name. + * @returns {ConfigArray} Loaded config. + */ + loadFile(filePath, { basePath, name } = {}) { + const slots = internalSlotsMap.get(this); + const ctx = createContext(slots, "config", name, filePath, basePath); + + return new ConfigArray(...this._loadConfigData(ctx)); + } + + /** + * Load the config file on a given directory if exists. + * @param {string} directoryPath The path to a directory. + * @param {Object} [options] The options. + * @param {string} [options.basePath] The base path to resolve relative paths in `overrides[].files`, `overrides[].excludedFiles`, and `ignorePatterns`. + * @param {string} [options.name] The config name. + * @throws {Error} If the config file is invalid. + * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist. + */ + loadInDirectory(directoryPath, { basePath, name } = {}) { + const slots = internalSlotsMap.get(this); + + for (const filename of configFilenames) { + const ctx = createContext( + slots, + "config", + name, + path.join(directoryPath, filename), + basePath + ); + + if (fs.existsSync(ctx.filePath) && fs.statSync(ctx.filePath).isFile()) { + let configData; + + try { + configData = loadConfigFile(ctx.filePath); + } catch (error) { + if (!error || error.code !== "ESLINT_CONFIG_FIELD_NOT_FOUND") { + throw error; + } + } + + if (configData) { + debug(`Config file found: ${ctx.filePath}`); + return new ConfigArray( + ...this._normalizeConfigData(configData, ctx) + ); + } + } + } + + debug(`Config file not found on ${directoryPath}`); + return new ConfigArray(); + } + + /** + * Check if a config file on a given directory exists or not. + * @param {string} directoryPath The path to a directory. + * @returns {string | null} The path to the found config file. If not found then null. + */ + static getPathToConfigFileInDirectory(directoryPath) { + for (const filename of configFilenames) { + const filePath = path.join(directoryPath, filename); + + if (fs.existsSync(filePath)) { + if (filename === "package.json") { + try { + loadPackageJSONConfigFile(filePath); + return filePath; + } catch { /* ignore */ } + } else { + return filePath; + } + } + } + return null; + } + + /** + * Load `.eslintignore` file. + * @param {string} filePath The path to a `.eslintignore` file to load. + * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist. + */ + loadESLintIgnore(filePath) { + const slots = internalSlotsMap.get(this); + const ctx = createContext( + slots, + "ignore", + void 0, + filePath, + slots.cwd + ); + const ignorePatterns = loadESLintIgnoreFile(ctx.filePath); + + return new ConfigArray( + ...this._normalizeESLintIgnoreData(ignorePatterns, ctx) + ); + } + + /** + * Load `.eslintignore` file in the current working directory. + * @returns {ConfigArray} Loaded config. An empty `ConfigArray` if any config doesn't exist. + * @throws {Error} If the ignore file is invalid. + */ + loadDefaultESLintIgnore() { + const slots = internalSlotsMap.get(this); + const eslintIgnorePath = path.resolve(slots.cwd, ".eslintignore"); + const packageJsonPath = path.resolve(slots.cwd, "package.json"); + + if (fs.existsSync(eslintIgnorePath)) { + return this.loadESLintIgnore(eslintIgnorePath); + } + if (fs.existsSync(packageJsonPath)) { + const data = loadJSONConfigFile(packageJsonPath); + + if (Object.hasOwn(data, "eslintIgnore")) { + if (!Array.isArray(data.eslintIgnore)) { + throw new Error("Package.json eslintIgnore property requires an array of paths"); + } + const ctx = createContext( + slots, + "ignore", + "eslintIgnore in package.json", + packageJsonPath, + slots.cwd + ); + + return new ConfigArray( + ...this._normalizeESLintIgnoreData(data.eslintIgnore, ctx) + ); + } + } + + return new ConfigArray(); + } + + /** + * Load a given config file. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} Loaded config. + * @private + */ + _loadConfigData(ctx) { + return this._normalizeConfigData(loadConfigFile(ctx.filePath), ctx); + } + + /** + * Normalize a given `.eslintignore` data to config array elements. + * @param {string[]} ignorePatterns The patterns to ignore files. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @private + */ + *_normalizeESLintIgnoreData(ignorePatterns, ctx) { + const elements = this._normalizeObjectConfigData( + { ignorePatterns }, + ctx + ); + + // Set `ignorePattern.loose` flag for backward compatibility. + for (const element of elements) { + if (element.ignorePattern) { + element.ignorePattern.loose = true; + } + yield element; + } + } + + /** + * Normalize a given config to an array. + * @param {ConfigData} configData The config data to normalize. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @private + */ + _normalizeConfigData(configData, ctx) { + const validator = new ConfigValidator(); + + validator.validateConfigSchema(configData, ctx.name || ctx.filePath); + return this._normalizeObjectConfigData(configData, ctx); + } + + /** + * Normalize a given config to an array. + * @param {ConfigData|OverrideConfigData} configData The config data to normalize. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @private + */ + *_normalizeObjectConfigData(configData, ctx) { + const { files, excludedFiles, ...configBody } = configData; + const criteria = OverrideTester.create( + files, + excludedFiles, + ctx.matchBasePath + ); + const elements = this._normalizeObjectConfigDataBody(configBody, ctx); + + // Apply the criteria to every element. + for (const element of elements) { + + /* + * Merge the criteria. + * This is for the `overrides` entries that came from the + * configurations of `overrides[].extends`. + */ + element.criteria = OverrideTester.and(criteria, element.criteria); + + /* + * Remove `root` property to ignore `root` settings which came from + * `extends` in `overrides`. + */ + if (element.criteria) { + element.root = void 0; + } + + yield element; + } + } + + /** + * Normalize a given config to an array. + * @param {ConfigData} configData The config data to normalize. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @private + */ + *_normalizeObjectConfigDataBody( + { + env, + extends: extend, + globals, + ignorePatterns, + noInlineConfig, + parser: parserName, + parserOptions, + plugins: pluginList, + processor, + reportUnusedDisableDirectives, + root, + rules, + settings, + overrides: overrideList = [] + }, + ctx + ) { + const extendList = Array.isArray(extend) ? extend : [extend]; + const ignorePattern = ignorePatterns && new IgnorePattern( + Array.isArray(ignorePatterns) ? ignorePatterns : [ignorePatterns], + ctx.matchBasePath + ); + + // Flatten `extends`. + for (const extendName of extendList.filter(Boolean)) { + yield* this._loadExtends(extendName, ctx); + } + + // Load parser & plugins. + const parser = parserName && this._loadParser(parserName, ctx); + const plugins = pluginList && this._loadPlugins(pluginList, ctx); + + // Yield pseudo config data for file extension processors. + if (plugins) { + yield* this._takeFileExtensionProcessors(plugins, ctx); + } + + // Yield the config data except `extends` and `overrides`. + yield { + + // Debug information. + type: ctx.type, + name: ctx.name, + filePath: ctx.filePath, + + // Config data. + criteria: null, + env, + globals, + ignorePattern, + noInlineConfig, + parser, + parserOptions, + plugins, + processor, + reportUnusedDisableDirectives, + root, + rules, + settings + }; + + // Flatten `overries`. + for (let i = 0; i < overrideList.length; ++i) { + yield* this._normalizeObjectConfigData( + overrideList[i], + { ...ctx, name: `${ctx.name}#overrides[${i}]` } + ); + } + } + + /** + * Load configs of an element in `extends`. + * @param {string} extendName The name of a base config. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @throws {Error} If the extended config file can't be loaded. + * @private + */ + _loadExtends(extendName, ctx) { + debug("Loading {extends:%j} relative to %s", extendName, ctx.filePath); + try { + if (extendName.startsWith("eslint:")) { + return this._loadExtendedBuiltInConfig(extendName, ctx); + } + if (extendName.startsWith("plugin:")) { + return this._loadExtendedPluginConfig(extendName, ctx); + } + return this._loadExtendedShareableConfig(extendName, ctx); + } catch (error) { + error.message += `\nReferenced from: ${ctx.filePath || ctx.name}`; + throw error; + } + } + + /** + * Load configs of an element in `extends`. + * @param {string} extendName The name of a base config. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @throws {Error} If the extended config file can't be loaded. + * @private + */ + _loadExtendedBuiltInConfig(extendName, ctx) { + const { + eslintAllPath, + getEslintAllConfig, + eslintRecommendedPath, + getEslintRecommendedConfig + } = internalSlotsMap.get(this); + + if (extendName === "eslint:recommended") { + const name = `${ctx.name} » ${extendName}`; + + if (getEslintRecommendedConfig) { + if (typeof getEslintRecommendedConfig !== "function") { + throw new Error(`getEslintRecommendedConfig must be a function instead of '${getEslintRecommendedConfig}'`); + } + return this._normalizeConfigData(getEslintRecommendedConfig(), { ...ctx, name, filePath: "" }); + } + return this._loadConfigData({ + ...ctx, + name, + filePath: eslintRecommendedPath + }); + } + if (extendName === "eslint:all") { + const name = `${ctx.name} » ${extendName}`; + + if (getEslintAllConfig) { + if (typeof getEslintAllConfig !== "function") { + throw new Error(`getEslintAllConfig must be a function instead of '${getEslintAllConfig}'`); + } + return this._normalizeConfigData(getEslintAllConfig(), { ...ctx, name, filePath: "" }); + } + return this._loadConfigData({ + ...ctx, + name, + filePath: eslintAllPath + }); + } + + throw configInvalidError(extendName, ctx.name, "extend-config-missing"); + } + + /** + * Load configs of an element in `extends`. + * @param {string} extendName The name of a base config. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @throws {Error} If the extended config file can't be loaded. + * @private + */ + _loadExtendedPluginConfig(extendName, ctx) { + const slashIndex = extendName.lastIndexOf("/"); + + if (slashIndex === -1) { + throw configInvalidError(extendName, ctx.filePath, "plugin-invalid"); + } + + const pluginName = extendName.slice("plugin:".length, slashIndex); + const configName = extendName.slice(slashIndex + 1); + + if (isFilePath(pluginName)) { + throw new Error("'extends' cannot use a file path for plugins."); + } + + const plugin = this._loadPlugin(pluginName, ctx); + const configData = + plugin.definition && + plugin.definition.configs[configName]; + + if (configData) { + return this._normalizeConfigData(configData, { + ...ctx, + filePath: plugin.filePath || ctx.filePath, + name: `${ctx.name} » plugin:${plugin.id}/${configName}` + }); + } + + throw plugin.error || configInvalidError(extendName, ctx.filePath, "extend-config-missing"); + } + + /** + * Load configs of an element in `extends`. + * @param {string} extendName The name of a base config. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The normalized config. + * @throws {Error} If the extended config file can't be loaded. + * @private + */ + _loadExtendedShareableConfig(extendName, ctx) { + const { cwd, resolver } = internalSlotsMap.get(this); + const relativeTo = ctx.filePath || path.join(cwd, "__placeholder__.js"); + let request; + + if (isFilePath(extendName)) { + request = extendName; + } else if (extendName.startsWith(".")) { + request = `./${extendName}`; // For backward compatibility. A ton of tests depended on this behavior. + } else { + request = naming.normalizePackageName( + extendName, + "eslint-config" + ); + } + + let filePath; + + try { + filePath = resolver.resolve(request, relativeTo); + } catch (error) { + /* istanbul ignore else */ + if (error && error.code === "MODULE_NOT_FOUND") { + throw configInvalidError(extendName, ctx.filePath, "extend-config-missing"); + } + throw error; + } + + writeDebugLogForLoading(request, relativeTo, filePath); + return this._loadConfigData({ + ...ctx, + filePath, + name: `${ctx.name} » ${request}` + }); + } + + /** + * Load given plugins. + * @param {string[]} names The plugin names to load. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {Record} The loaded parser. + * @private + */ + _loadPlugins(names, ctx) { + return names.reduce((map, name) => { + if (isFilePath(name)) { + throw new Error("Plugins array cannot includes file paths."); + } + const plugin = this._loadPlugin(name, ctx); + + map[plugin.id] = plugin; + + return map; + }, {}); + } + + /** + * Load a given parser. + * @param {string} nameOrPath The package name or the path to a parser file. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {DependentParser} The loaded parser. + */ + _loadParser(nameOrPath, ctx) { + debug("Loading parser %j from %s", nameOrPath, ctx.filePath); + + const { cwd, resolver } = internalSlotsMap.get(this); + const relativeTo = ctx.filePath || path.join(cwd, "__placeholder__.js"); + + try { + const filePath = resolver.resolve(nameOrPath, relativeTo); + + writeDebugLogForLoading(nameOrPath, relativeTo, filePath); + + return new ConfigDependency({ + definition: require(filePath), + filePath, + id: nameOrPath, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } catch (error) { + + // If the parser name is "espree", load the espree of ESLint. + if (nameOrPath === "espree") { + debug("Fallback espree."); + return new ConfigDependency({ + definition: require("espree"), + filePath: require.resolve("espree"), + id: nameOrPath, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } + + debug("Failed to load parser '%s' declared in '%s'.", nameOrPath, ctx.name); + error.message = `Failed to load parser '${nameOrPath}' declared in '${ctx.name}': ${error.message}`; + + return new ConfigDependency({ + error, + id: nameOrPath, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } + } + + /** + * Load a given plugin. + * @param {string} name The plugin name to load. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {DependentPlugin} The loaded plugin. + * @private + */ + _loadPlugin(name, ctx) { + debug("Loading plugin %j from %s", name, ctx.filePath); + + const { additionalPluginPool, resolver } = internalSlotsMap.get(this); + const request = naming.normalizePackageName(name, "eslint-plugin"); + const id = naming.getShorthandName(request, "eslint-plugin"); + const relativeTo = path.join(ctx.pluginBasePath, "__placeholder__.js"); + + if (name.match(/\s+/u)) { + const error = Object.assign( + new Error(`Whitespace found in plugin name '${name}'`), + { + messageTemplate: "whitespace-found", + messageData: { pluginName: request } + } + ); + + return new ConfigDependency({ + error, + id, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } + + // Check for additional pool. + const plugin = + additionalPluginPool.get(request) || + additionalPluginPool.get(id); + + if (plugin) { + return new ConfigDependency({ + definition: normalizePlugin(plugin), + original: plugin, + filePath: "", // It's unknown where the plugin came from. + id, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } + + let filePath; + let error; + + try { + filePath = resolver.resolve(request, relativeTo); + } catch (resolveError) { + error = resolveError; + /* istanbul ignore else */ + if (error && error.code === "MODULE_NOT_FOUND") { + error.messageTemplate = "plugin-missing"; + error.messageData = { + pluginName: request, + resolvePluginsRelativeTo: ctx.pluginBasePath, + importerName: ctx.name + }; + } + } + + if (filePath) { + try { + writeDebugLogForLoading(request, relativeTo, filePath); + + const startTime = Date.now(); + const pluginDefinition = require(filePath); + + debug(`Plugin ${filePath} loaded in: ${Date.now() - startTime}ms`); + + return new ConfigDependency({ + definition: normalizePlugin(pluginDefinition), + original: pluginDefinition, + filePath, + id, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } catch (loadError) { + error = loadError; + } + } + + debug("Failed to load plugin '%s' declared in '%s'.", name, ctx.name); + error.message = `Failed to load plugin '${name}' declared in '${ctx.name}': ${error.message}`; + return new ConfigDependency({ + error, + id, + importerName: ctx.name, + importerPath: ctx.filePath + }); + } + + /** + * Take file expression processors as config array elements. + * @param {Record} plugins The plugin definitions. + * @param {ConfigArrayFactoryLoadingContext} ctx The loading context. + * @returns {IterableIterator} The config array elements of file expression processors. + * @private + */ + *_takeFileExtensionProcessors(plugins, ctx) { + for (const pluginId of Object.keys(plugins)) { + const processors = + plugins[pluginId] && + plugins[pluginId].definition && + plugins[pluginId].definition.processors; + + if (!processors) { + continue; + } + + for (const processorId of Object.keys(processors)) { + if (processorId.startsWith(".")) { + yield* this._normalizeObjectConfigData( + { + files: [`*${processorId}`], + processor: `${pluginId}/${processorId}` + }, + { + ...ctx, + type: "implicit-processor", + name: `${ctx.name}#processors["${pluginId}/${processorId}"]` + } + ); + } + } + } + } +} + +export { + ConfigArrayFactory, + createContext, + loadConfigFile +}; diff --git a/module/node_modules/@eslint/eslintrc/lib/config-array/config-array.js b/module/node_modules/@eslint/eslintrc/lib/config-array/config-array.js new file mode 100644 index 000000000..8b3ec28c7 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/config-array/config-array.js @@ -0,0 +1,512 @@ +/** + * @fileoverview `ConfigArray` class. + * + * `ConfigArray` class expresses the full of a configuration. It has the entry + * config file, base config files that were extended, loaded parsers, and loaded + * plugins. + * + * `ConfigArray` class provides three properties and two methods. + * + * - `pluginEnvironments` + * - `pluginProcessors` + * - `pluginRules` + * The `Map` objects that contain the members of all plugins that this + * config array contains. Those map objects don't have mutation methods. + * Those keys are the member ID such as `pluginId/memberName`. + * - `isRoot()` + * If `true` then this configuration has `root:true` property. + * - `extractConfig(filePath)` + * Extract the final configuration for a given file. This means merging + * every config array element which that `criteria` property matched. The + * `filePath` argument must be an absolute path. + * + * `ConfigArrayFactory` provides the loading logic of config files. + * + * @author Toru Nagashima + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +import { ExtractedConfig } from "./extracted-config.js"; +import { IgnorePattern } from "./ignore-pattern.js"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +// Define types for VSCode IntelliSense. +/** @typedef {import("../../shared/types").Environment} Environment */ +/** @typedef {import("../../shared/types").GlobalConf} GlobalConf */ +/** @typedef {import("../../shared/types").RuleConf} RuleConf */ +/** @typedef {import("../../shared/types").Rule} Rule */ +/** @typedef {import("../../shared/types").Plugin} Plugin */ +/** @typedef {import("../../shared/types").Processor} Processor */ +/** @typedef {import("./config-dependency").DependentParser} DependentParser */ +/** @typedef {import("./config-dependency").DependentPlugin} DependentPlugin */ +/** @typedef {import("./override-tester")["OverrideTester"]} OverrideTester */ + +/** + * @typedef {Object} ConfigArrayElement + * @property {string} name The name of this config element. + * @property {string} filePath The path to the source file of this config element. + * @property {InstanceType|null} criteria The tester for the `files` and `excludedFiles` of this config element. + * @property {Record|undefined} env The environment settings. + * @property {Record|undefined} globals The global variable settings. + * @property {IgnorePattern|undefined} ignorePattern The ignore patterns. + * @property {boolean|undefined} noInlineConfig The flag that disables directive comments. + * @property {DependentParser|undefined} parser The parser loader. + * @property {Object|undefined} parserOptions The parser options. + * @property {Record|undefined} plugins The plugin loaders. + * @property {string|undefined} processor The processor name to refer plugin's processor. + * @property {boolean|undefined} reportUnusedDisableDirectives The flag to report unused `eslint-disable` comments. + * @property {boolean|undefined} root The flag to express root. + * @property {Record|undefined} rules The rule settings + * @property {Object|undefined} settings The shared settings. + * @property {"config" | "ignore" | "implicit-processor"} type The element type. + */ + +/** + * @typedef {Object} ConfigArrayInternalSlots + * @property {Map} cache The cache to extract configs. + * @property {ReadonlyMap|null} envMap The map from environment ID to environment definition. + * @property {ReadonlyMap|null} processorMap The map from processor ID to environment definition. + * @property {ReadonlyMap|null} ruleMap The map from rule ID to rule definition. + */ + +/** @type {WeakMap} */ +const internalSlotsMap = new class extends WeakMap { + get(key) { + let value = super.get(key); + + if (!value) { + value = { + cache: new Map(), + envMap: null, + processorMap: null, + ruleMap: null + }; + super.set(key, value); + } + + return value; + } +}(); + +/** + * Get the indices which are matched to a given file. + * @param {ConfigArrayElement[]} elements The elements. + * @param {string} filePath The path to a target file. + * @returns {number[]} The indices. + */ +function getMatchedIndices(elements, filePath) { + const indices = []; + + for (let i = elements.length - 1; i >= 0; --i) { + const element = elements[i]; + + if (!element.criteria || (filePath && element.criteria.test(filePath))) { + indices.push(i); + } + } + + return indices; +} + +/** + * Check if a value is a non-null object. + * @param {any} x The value to check. + * @returns {boolean} `true` if the value is a non-null object. + */ +function isNonNullObject(x) { + return typeof x === "object" && x !== null; +} + +/** + * Merge two objects. + * + * Assign every property values of `y` to `x` if `x` doesn't have the property. + * If `x`'s property value is an object, it does recursive. + * @param {Object} target The destination to merge + * @param {Object|undefined} source The source to merge. + * @returns {void} + */ +function mergeWithoutOverwrite(target, source) { + if (!isNonNullObject(source)) { + return; + } + + for (const key of Object.keys(source)) { + if (key === "__proto__") { + continue; + } + + if (isNonNullObject(target[key])) { + mergeWithoutOverwrite(target[key], source[key]); + } else if (target[key] === void 0) { + if (isNonNullObject(source[key])) { + target[key] = Array.isArray(source[key]) ? [] : {}; + mergeWithoutOverwrite(target[key], source[key]); + } else if (source[key] !== void 0) { + target[key] = source[key]; + } + } + } +} + +/** + * The error for plugin conflicts. + */ +class PluginConflictError extends Error { + + /** + * Initialize this error object. + * @param {string} pluginId The plugin ID. + * @param {{filePath:string, importerName:string}[]} plugins The resolved plugins. + */ + constructor(pluginId, plugins) { + super(`Plugin "${pluginId}" was conflicted between ${plugins.map(p => `"${p.importerName}"`).join(" and ")}.`); + this.messageTemplate = "plugin-conflict"; + this.messageData = { pluginId, plugins }; + } +} + +/** + * Merge plugins. + * `target`'s definition is prior to `source`'s. + * @param {Record} target The destination to merge + * @param {Record|undefined} source The source to merge. + * @returns {void} + * @throws {PluginConflictError} When a plugin was conflicted. + */ +function mergePlugins(target, source) { + if (!isNonNullObject(source)) { + return; + } + + for (const key of Object.keys(source)) { + if (key === "__proto__") { + continue; + } + const targetValue = target[key]; + const sourceValue = source[key]; + + // Adopt the plugin which was found at first. + if (targetValue === void 0) { + if (sourceValue.error) { + throw sourceValue.error; + } + target[key] = sourceValue; + } else if (sourceValue.filePath !== targetValue.filePath) { + throw new PluginConflictError(key, [ + { + filePath: targetValue.filePath, + importerName: targetValue.importerName + }, + { + filePath: sourceValue.filePath, + importerName: sourceValue.importerName + } + ]); + } + } +} + +/** + * Merge rule configs. + * `target`'s definition is prior to `source`'s. + * @param {Record} target The destination to merge + * @param {Record|undefined} source The source to merge. + * @returns {void} + */ +function mergeRuleConfigs(target, source) { + if (!isNonNullObject(source)) { + return; + } + + for (const key of Object.keys(source)) { + if (key === "__proto__") { + continue; + } + const targetDef = target[key]; + const sourceDef = source[key]; + + // Adopt the rule config which was found at first. + if (targetDef === void 0) { + if (Array.isArray(sourceDef)) { + target[key] = [...sourceDef]; + } else { + target[key] = [sourceDef]; + } + + /* + * If the first found rule config is severity only and the current rule + * config has options, merge the severity and the options. + */ + } else if ( + targetDef.length === 1 && + Array.isArray(sourceDef) && + sourceDef.length >= 2 + ) { + targetDef.push(...sourceDef.slice(1)); + } + } +} + +/** + * Create the extracted config. + * @param {ConfigArray} instance The config elements. + * @param {number[]} indices The indices to use. + * @returns {ExtractedConfig} The extracted config. + * @throws {Error} When a plugin is conflicted. + */ +function createConfig(instance, indices) { + const config = new ExtractedConfig(); + const ignorePatterns = []; + + // Merge elements. + for (const index of indices) { + const element = instance[index]; + + // Adopt the parser which was found at first. + if (!config.parser && element.parser) { + if (element.parser.error) { + throw element.parser.error; + } + config.parser = element.parser; + } + + // Adopt the processor which was found at first. + if (!config.processor && element.processor) { + config.processor = element.processor; + } + + // Adopt the noInlineConfig which was found at first. + if (config.noInlineConfig === void 0 && element.noInlineConfig !== void 0) { + config.noInlineConfig = element.noInlineConfig; + config.configNameOfNoInlineConfig = element.name; + } + + // Adopt the reportUnusedDisableDirectives which was found at first. + if (config.reportUnusedDisableDirectives === void 0 && element.reportUnusedDisableDirectives !== void 0) { + config.reportUnusedDisableDirectives = element.reportUnusedDisableDirectives; + } + + // Collect ignorePatterns + if (element.ignorePattern) { + ignorePatterns.push(element.ignorePattern); + } + + // Merge others. + mergeWithoutOverwrite(config.env, element.env); + mergeWithoutOverwrite(config.globals, element.globals); + mergeWithoutOverwrite(config.parserOptions, element.parserOptions); + mergeWithoutOverwrite(config.settings, element.settings); + mergePlugins(config.plugins, element.plugins); + mergeRuleConfigs(config.rules, element.rules); + } + + // Create the predicate function for ignore patterns. + if (ignorePatterns.length > 0) { + config.ignores = IgnorePattern.createIgnore(ignorePatterns.reverse()); + } + + return config; +} + +/** + * Collect definitions. + * @template T, U + * @param {string} pluginId The plugin ID for prefix. + * @param {Record} defs The definitions to collect. + * @param {Map} map The map to output. + * @returns {void} + */ +function collect(pluginId, defs, map) { + if (defs) { + const prefix = pluginId && `${pluginId}/`; + + for (const [key, value] of Object.entries(defs)) { + map.set(`${prefix}${key}`, value); + } + } +} + +/** + * Delete the mutation methods from a given map. + * @param {Map} map The map object to delete. + * @returns {void} + */ +function deleteMutationMethods(map) { + Object.defineProperties(map, { + clear: { configurable: true, value: void 0 }, + delete: { configurable: true, value: void 0 }, + set: { configurable: true, value: void 0 } + }); +} + +/** + * Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array. + * @param {ConfigArrayElement[]} elements The config elements. + * @param {ConfigArrayInternalSlots} slots The internal slots. + * @returns {void} + */ +function initPluginMemberMaps(elements, slots) { + const processed = new Set(); + + slots.envMap = new Map(); + slots.processorMap = new Map(); + slots.ruleMap = new Map(); + + for (const element of elements) { + if (!element.plugins) { + continue; + } + + for (const [pluginId, value] of Object.entries(element.plugins)) { + const plugin = value.definition; + + if (!plugin || processed.has(pluginId)) { + continue; + } + processed.add(pluginId); + + collect(pluginId, plugin.environments, slots.envMap); + collect(pluginId, plugin.processors, slots.processorMap); + collect(pluginId, plugin.rules, slots.ruleMap); + } + } + + deleteMutationMethods(slots.envMap); + deleteMutationMethods(slots.processorMap); + deleteMutationMethods(slots.ruleMap); +} + +/** + * Create `envMap`, `processorMap`, `ruleMap` with the plugins in the config array. + * @param {ConfigArray} instance The config elements. + * @returns {ConfigArrayInternalSlots} The extracted config. + */ +function ensurePluginMemberMaps(instance) { + const slots = internalSlotsMap.get(instance); + + if (!slots.ruleMap) { + initPluginMemberMaps(instance, slots); + } + + return slots; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * The Config Array. + * + * `ConfigArray` instance contains all settings, parsers, and plugins. + * You need to call `ConfigArray#extractConfig(filePath)` method in order to + * extract, merge and get only the config data which is related to an arbitrary + * file. + * @extends {Array} + */ +class ConfigArray extends Array { + + /** + * Get the plugin environments. + * The returned map cannot be mutated. + * @type {ReadonlyMap} The plugin environments. + */ + get pluginEnvironments() { + return ensurePluginMemberMaps(this).envMap; + } + + /** + * Get the plugin processors. + * The returned map cannot be mutated. + * @type {ReadonlyMap} The plugin processors. + */ + get pluginProcessors() { + return ensurePluginMemberMaps(this).processorMap; + } + + /** + * Get the plugin rules. + * The returned map cannot be mutated. + * @returns {ReadonlyMap} The plugin rules. + */ + get pluginRules() { + return ensurePluginMemberMaps(this).ruleMap; + } + + /** + * Check if this config has `root` flag. + * @returns {boolean} `true` if this config array is root. + */ + isRoot() { + for (let i = this.length - 1; i >= 0; --i) { + const root = this[i].root; + + if (typeof root === "boolean") { + return root; + } + } + return false; + } + + /** + * Extract the config data which is related to a given file. + * @param {string} filePath The absolute path to the target file. + * @returns {ExtractedConfig} The extracted config data. + */ + extractConfig(filePath) { + const { cache } = internalSlotsMap.get(this); + const indices = getMatchedIndices(this, filePath); + const cacheKey = indices.join(","); + + if (!cache.has(cacheKey)) { + cache.set(cacheKey, createConfig(this, indices)); + } + + return cache.get(cacheKey); + } + + /** + * Check if a given path is an additional lint target. + * @param {string} filePath The absolute path to the target file. + * @returns {boolean} `true` if the file is an additional lint target. + */ + isAdditionalTargetPath(filePath) { + for (const { criteria, type } of this) { + if ( + type === "config" && + criteria && + !criteria.endsWithWildcard && + criteria.test(filePath) + ) { + return true; + } + } + return false; + } +} + +/** + * Get the used extracted configs. + * CLIEngine will use this method to collect used deprecated rules. + * @param {ConfigArray} instance The config array object to get. + * @returns {ExtractedConfig[]} The used extracted configs. + * @private + */ +function getUsedExtractedConfigs(instance) { + const { cache } = internalSlotsMap.get(instance); + + return Array.from(cache.values()); +} + + +export { + ConfigArray, + getUsedExtractedConfigs +}; diff --git a/module/node_modules/@eslint/eslintrc/lib/config-array/config-dependency.js b/module/node_modules/@eslint/eslintrc/lib/config-array/config-dependency.js new file mode 100644 index 000000000..809689500 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/config-array/config-dependency.js @@ -0,0 +1,124 @@ +/** + * @fileoverview `ConfigDependency` class. + * + * `ConfigDependency` class expresses a loaded parser or plugin. + * + * If the parser or plugin was loaded successfully, it has `definition` property + * and `filePath` property. Otherwise, it has `error` property. + * + * When `JSON.stringify()` converted a `ConfigDependency` object to a JSON, it + * omits `definition` property. + * + * `ConfigArrayFactory` creates `ConfigDependency` objects when it loads parsers + * or plugins. + * + * @author Toru Nagashima + */ + +import util from "node:util"; + +/** + * The class is to store parsers or plugins. + * This class hides the loaded object from `JSON.stringify()` and `console.log`. + * @template T + */ +class ConfigDependency { + + /** + * Initialize this instance. + * @param {Object} data The dependency data. + * @param {T} [data.definition] The dependency if the loading succeeded. + * @param {T} [data.original] The original, non-normalized dependency if the loading succeeded. + * @param {Error} [data.error] The error object if the loading failed. + * @param {string} [data.filePath] The actual path to the dependency if the loading succeeded. + * @param {string} data.id The ID of this dependency. + * @param {string} data.importerName The name of the config file which loads this dependency. + * @param {string} data.importerPath The path to the config file which loads this dependency. + */ + constructor({ + definition = null, + original = null, + error = null, + filePath = null, + id, + importerName, + importerPath + }) { + + /** + * The loaded dependency if the loading succeeded. + * @type {T|null} + */ + this.definition = definition; + + /** + * The original dependency as loaded directly from disk if the loading succeeded. + * @type {T|null} + */ + this.original = original; + + /** + * The error object if the loading failed. + * @type {Error|null} + */ + this.error = error; + + /** + * The loaded dependency if the loading succeeded. + * @type {string|null} + */ + this.filePath = filePath; + + /** + * The ID of this dependency. + * @type {string} + */ + this.id = id; + + /** + * The name of the config file which loads this dependency. + * @type {string} + */ + this.importerName = importerName; + + /** + * The path to the config file which loads this dependency. + * @type {string} + */ + this.importerPath = importerPath; + } + + /** + * Converts this instance to a JSON compatible object. + * @returns {Object} a JSON compatible object. + */ + toJSON() { + const obj = this[util.inspect.custom](); + + // Display `error.message` (`Error#message` is unenumerable). + if (obj.error instanceof Error) { + obj.error = { ...obj.error, message: obj.error.message }; + } + + return obj; + } + + /** + * Custom inspect method for Node.js `console.log()`. + * @returns {Object} an object to display by `console.log()`. + */ + [util.inspect.custom]() { + const { + definition: _ignore1, // eslint-disable-line no-unused-vars -- needed to make `obj` correct + original: _ignore2, // eslint-disable-line no-unused-vars -- needed to make `obj` correct + ...obj + } = this; + + return obj; + } +} + +/** @typedef {ConfigDependency} DependentParser */ +/** @typedef {ConfigDependency} DependentPlugin */ + +export { ConfigDependency }; diff --git a/module/node_modules/@eslint/eslintrc/lib/config-array/extracted-config.js b/module/node_modules/@eslint/eslintrc/lib/config-array/extracted-config.js new file mode 100644 index 000000000..65206f27b --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/config-array/extracted-config.js @@ -0,0 +1,145 @@ +/** + * @fileoverview `ExtractedConfig` class. + * + * `ExtractedConfig` class expresses a final configuration for a specific file. + * + * It provides one method. + * + * - `toCompatibleObjectAsConfigFileContent()` + * Convert this configuration to the compatible object as the content of + * config files. It converts the loaded parser and plugins to strings. + * `CLIEngine#getConfigForFile(filePath)` method uses this method. + * + * `ConfigArray#extractConfig(filePath)` creates a `ExtractedConfig` instance. + * + * @author Toru Nagashima + */ + +import { IgnorePattern } from "./ignore-pattern.js"; + +// For VSCode intellisense +/** @typedef {import("../../shared/types").ConfigData} ConfigData */ +/** @typedef {import("../../shared/types").GlobalConf} GlobalConf */ +/** @typedef {import("../../shared/types").SeverityConf} SeverityConf */ +/** @typedef {import("./config-dependency").DependentParser} DependentParser */ +/** @typedef {import("./config-dependency").DependentPlugin} DependentPlugin */ + +/** + * Check if `xs` starts with `ys`. + * @template T + * @param {T[]} xs The array to check. + * @param {T[]} ys The array that may be the first part of `xs`. + * @returns {boolean} `true` if `xs` starts with `ys`. + */ +function startsWith(xs, ys) { + return xs.length >= ys.length && ys.every((y, i) => y === xs[i]); +} + +/** + * The class for extracted config data. + */ +class ExtractedConfig { + constructor() { + + /** + * The config name what `noInlineConfig` setting came from. + * @type {string} + */ + this.configNameOfNoInlineConfig = ""; + + /** + * Environments. + * @type {Record} + */ + this.env = {}; + + /** + * Global variables. + * @type {Record} + */ + this.globals = {}; + + /** + * The glob patterns that ignore to lint. + * @type {(((filePath:string, dot?:boolean) => boolean) & { basePath:string; patterns:string[] }) | undefined} + */ + this.ignores = void 0; + + /** + * The flag that disables directive comments. + * @type {boolean|undefined} + */ + this.noInlineConfig = void 0; + + /** + * Parser definition. + * @type {DependentParser|null} + */ + this.parser = null; + + /** + * Options for the parser. + * @type {Object} + */ + this.parserOptions = {}; + + /** + * Plugin definitions. + * @type {Record} + */ + this.plugins = {}; + + /** + * Processor ID. + * @type {string|null} + */ + this.processor = null; + + /** + * The flag that reports unused `eslint-disable` directive comments. + * @type {boolean|undefined} + */ + this.reportUnusedDisableDirectives = void 0; + + /** + * Rule settings. + * @type {Record} + */ + this.rules = {}; + + /** + * Shared settings. + * @type {Object} + */ + this.settings = {}; + } + + /** + * Convert this config to the compatible object as a config file content. + * @returns {ConfigData} The converted object. + */ + toCompatibleObjectAsConfigFileContent() { + const { + /* eslint-disable no-unused-vars -- needed to make `config` correct */ + configNameOfNoInlineConfig: _ignore1, + processor: _ignore2, + /* eslint-enable no-unused-vars -- needed to make `config` correct */ + ignores, + ...config + } = this; + + config.parser = config.parser && config.parser.filePath; + config.plugins = Object.keys(config.plugins).filter(Boolean).reverse(); + config.ignorePatterns = ignores ? ignores.patterns : []; + + // Strip the default patterns from `ignorePatterns`. + if (startsWith(config.ignorePatterns, IgnorePattern.DefaultPatterns)) { + config.ignorePatterns = + config.ignorePatterns.slice(IgnorePattern.DefaultPatterns.length); + } + + return config; + } +} + +export { ExtractedConfig }; diff --git a/module/node_modules/@eslint/eslintrc/lib/config-array/ignore-pattern.js b/module/node_modules/@eslint/eslintrc/lib/config-array/ignore-pattern.js new file mode 100644 index 000000000..edb528722 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/config-array/ignore-pattern.js @@ -0,0 +1,239 @@ +/** + * @fileoverview `IgnorePattern` class. + * + * `IgnorePattern` class has the set of glob patterns and the base path. + * + * It provides two static methods. + * + * - `IgnorePattern.createDefaultIgnore(cwd)` + * Create the default predicate function. + * - `IgnorePattern.createIgnore(ignorePatterns)` + * Create the predicate function from multiple `IgnorePattern` objects. + * + * It provides two properties and a method. + * + * - `patterns` + * The glob patterns that ignore to lint. + * - `basePath` + * The base path of the glob patterns. If absolute paths existed in the + * glob patterns, those are handled as relative paths to the base path. + * - `getPatternsRelativeTo(basePath)` + * Get `patterns` as modified for a given base path. It modifies the + * absolute paths in the patterns as prepending the difference of two base + * paths. + * + * `ConfigArrayFactory` creates `IgnorePattern` objects when it processes + * `ignorePatterns` properties. + * + * @author Toru Nagashima + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +import assert from "node:assert"; +import path from "node:path"; +import ignore from "ignore"; +import debugOrig from "debug"; + +const debug = debugOrig("eslintrc:ignore-pattern"); + +/** @typedef {ReturnType} Ignore */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Get the path to the common ancestor directory of given paths. + * @param {string[]} sourcePaths The paths to calculate the common ancestor. + * @returns {string} The path to the common ancestor directory. + */ +function getCommonAncestorPath(sourcePaths) { + let result = sourcePaths[0]; + + for (let i = 1; i < sourcePaths.length; ++i) { + const a = result; + const b = sourcePaths[i]; + + // Set the shorter one (it's the common ancestor if one includes the other). + result = a.length < b.length ? a : b; + + // Set the common ancestor. + for (let j = 0, lastSepPos = 0; j < a.length && j < b.length; ++j) { + if (a[j] !== b[j]) { + result = a.slice(0, lastSepPos); + break; + } + if (a[j] === path.sep) { + lastSepPos = j; + } + } + } + + let resolvedResult = result || path.sep; + + // if Windows common ancestor is root of drive must have trailing slash to be absolute. + if (resolvedResult && resolvedResult.endsWith(":") && process.platform === "win32") { + resolvedResult += path.sep; + } + return resolvedResult; +} + +/** + * Make relative path. + * @param {string} from The source path to get relative path. + * @param {string} to The destination path to get relative path. + * @returns {string} The relative path. + */ +function relative(from, to) { + const relPath = path.relative(from, to); + + if (path.sep === "/") { + return relPath; + } + return relPath.split(path.sep).join("/"); +} + +/** + * Get the trailing slash if existed. + * @param {string} filePath The path to check. + * @returns {string} The trailing slash if existed. + */ +function dirSuffix(filePath) { + const isDir = ( + filePath.endsWith(path.sep) || + (process.platform === "win32" && filePath.endsWith("/")) + ); + + return isDir ? "/" : ""; +} + +const DefaultPatterns = Object.freeze(["/**/node_modules/*"]); +const DotPatterns = Object.freeze([".*", "!.eslintrc.*", "!../"]); + +//------------------------------------------------------------------------------ +// Public +//------------------------------------------------------------------------------ + +/** + * Represents a set of glob patterns to ignore against a base path. + */ +class IgnorePattern { + + /** + * The default patterns. + * @type {string[]} + */ + static get DefaultPatterns() { + return DefaultPatterns; + } + + /** + * Create the default predicate function. + * @param {string} cwd The current working directory. + * @returns {((filePath:string, dot:boolean) => boolean) & {basePath:string; patterns:string[]}} + * The preficate function. + * The first argument is an absolute path that is checked. + * The second argument is the flag to not ignore dotfiles. + * If the predicate function returned `true`, it means the path should be ignored. + */ + static createDefaultIgnore(cwd) { + return this.createIgnore([new IgnorePattern(DefaultPatterns, cwd)]); + } + + /** + * Create the predicate function from multiple `IgnorePattern` objects. + * @param {IgnorePattern[]} ignorePatterns The list of ignore patterns. + * @returns {((filePath:string, dot?:boolean) => boolean) & {basePath:string; patterns:string[]}} + * The preficate function. + * The first argument is an absolute path that is checked. + * The second argument is the flag to not ignore dotfiles. + * If the predicate function returned `true`, it means the path should be ignored. + */ + static createIgnore(ignorePatterns) { + debug("Create with: %o", ignorePatterns); + + const basePath = getCommonAncestorPath(ignorePatterns.map(p => p.basePath)); + const patterns = ignorePatterns.flatMap(p => p.getPatternsRelativeTo(basePath)); + const ig = ignore({ allowRelativePaths: true }).add([...DotPatterns, ...patterns]); + const dotIg = ignore({ allowRelativePaths: true }).add(patterns); + + debug(" processed: %o", { basePath, patterns }); + + return Object.assign( + (filePath, dot = false) => { + assert(path.isAbsolute(filePath), "'filePath' should be an absolute path."); + const relPathRaw = relative(basePath, filePath); + const relPath = relPathRaw && (relPathRaw + dirSuffix(filePath)); + const adoptedIg = dot ? dotIg : ig; + const result = relPath !== "" && adoptedIg.ignores(relPath); + + debug("Check", { filePath, dot, relativePath: relPath, result }); + return result; + }, + { basePath, patterns } + ); + } + + /** + * Initialize a new `IgnorePattern` instance. + * @param {string[]} patterns The glob patterns that ignore to lint. + * @param {string} basePath The base path of `patterns`. + */ + constructor(patterns, basePath) { + assert(path.isAbsolute(basePath), "'basePath' should be an absolute path."); + + /** + * The glob patterns that ignore to lint. + * @type {string[]} + */ + this.patterns = patterns; + + /** + * The base path of `patterns`. + * @type {string} + */ + this.basePath = basePath; + + /** + * If `true` then patterns which don't start with `/` will match the paths to the outside of `basePath`. Defaults to `false`. + * + * It's set `true` for `.eslintignore`, `package.json`, and `--ignore-path` for backward compatibility. + * It's `false` as-is for `ignorePatterns` property in config files. + * @type {boolean} + */ + this.loose = false; + } + + /** + * Get `patterns` as modified for a given base path. It modifies the + * absolute paths in the patterns as prepending the difference of two base + * paths. + * @param {string} newBasePath The base path. + * @returns {string[]} Modifired patterns. + */ + getPatternsRelativeTo(newBasePath) { + assert(path.isAbsolute(newBasePath), "'newBasePath' should be an absolute path."); + const { basePath, loose, patterns } = this; + + if (newBasePath === basePath) { + return patterns; + } + const prefix = `/${relative(newBasePath, basePath)}`; + + return patterns.map(pattern => { + const negative = pattern.startsWith("!"); + const head = negative ? "!" : ""; + const body = negative ? pattern.slice(1) : pattern; + + if (body.startsWith("/") || body.startsWith("../")) { + return `${head}${prefix}${body}`; + } + return loose ? pattern : `${head}${prefix}/**/${body}`; + }); + } +} + +export { IgnorePattern }; diff --git a/module/node_modules/@eslint/eslintrc/lib/config-array/index.js b/module/node_modules/@eslint/eslintrc/lib/config-array/index.js new file mode 100644 index 000000000..647f02b74 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/config-array/index.js @@ -0,0 +1,19 @@ +/** + * @fileoverview `ConfigArray` class. + * @author Toru Nagashima + */ + +import { ConfigArray, getUsedExtractedConfigs } from "./config-array.js"; +import { ConfigDependency } from "./config-dependency.js"; +import { ExtractedConfig } from "./extracted-config.js"; +import { IgnorePattern } from "./ignore-pattern.js"; +import { OverrideTester } from "./override-tester.js"; + +export { + ConfigArray, + ConfigDependency, + ExtractedConfig, + IgnorePattern, + OverrideTester, + getUsedExtractedConfigs +}; diff --git a/module/node_modules/@eslint/eslintrc/lib/config-array/override-tester.js b/module/node_modules/@eslint/eslintrc/lib/config-array/override-tester.js new file mode 100644 index 000000000..3a445b1a2 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/config-array/override-tester.js @@ -0,0 +1,227 @@ +/** + * @fileoverview `OverrideTester` class. + * + * `OverrideTester` class handles `files` property and `excludedFiles` property + * of `overrides` config. + * + * It provides one method. + * + * - `test(filePath)` + * Test if a file path matches the pair of `files` property and + * `excludedFiles` property. The `filePath` argument must be an absolute + * path. + * + * `ConfigArrayFactory` creates `OverrideTester` objects when it processes + * `overrides` properties. + * + * @author Toru Nagashima + */ + +import assert from "node:assert"; +import path from "node:path"; +import util from "node:util"; +import minimatch from "minimatch"; + +const { Minimatch } = minimatch; + +const minimatchOpts = { dot: true, matchBase: true }; + +/** + * @typedef {Object} Pattern + * @property {InstanceType[] | null} includes The positive matchers. + * @property {InstanceType[] | null} excludes The negative matchers. + */ + +/** + * Normalize a given pattern to an array. + * @param {string|string[]|undefined} patterns A glob pattern or an array of glob patterns. + * @returns {string[]|null} Normalized patterns. + * @private + */ +function normalizePatterns(patterns) { + if (Array.isArray(patterns)) { + return patterns.filter(Boolean); + } + if (typeof patterns === "string" && patterns) { + return [patterns]; + } + return []; +} + +/** + * Create the matchers of given patterns. + * @param {string[]} patterns The patterns. + * @returns {InstanceType[] | null} The matchers. + */ +function toMatcher(patterns) { + if (patterns.length === 0) { + return null; + } + return patterns.map(pattern => { + if (/^\.[/\\]/u.test(pattern)) { + return new Minimatch( + pattern.slice(2), + + // `./*.js` should not match with `subdir/foo.js` + { ...minimatchOpts, matchBase: false } + ); + } + return new Minimatch(pattern, minimatchOpts); + }); +} + +/** + * Convert a given matcher to string. + * @param {Pattern} matchers The matchers. + * @returns {string} The string expression of the matcher. + */ +function patternToJson({ includes, excludes }) { + return { + includes: includes && includes.map(m => m.pattern), + excludes: excludes && excludes.map(m => m.pattern) + }; +} + +/** + * The class to test given paths are matched by the patterns. + */ +class OverrideTester { + + /** + * Create a tester with given criteria. + * If there are no criteria, returns `null`. + * @param {string|string[]} files The glob patterns for included files. + * @param {string|string[]} excludedFiles The glob patterns for excluded files. + * @param {string} basePath The path to the base directory to test paths. + * @returns {OverrideTester|null} The created instance or `null`. + * @throws {Error} When invalid patterns are given. + */ + static create(files, excludedFiles, basePath) { + const includePatterns = normalizePatterns(files); + const excludePatterns = normalizePatterns(excludedFiles); + let endsWithWildcard = false; + + if (includePatterns.length === 0) { + return null; + } + + // Rejects absolute paths or relative paths to parents. + for (const pattern of includePatterns) { + if (path.isAbsolute(pattern) || pattern.includes("..")) { + throw new Error(`Invalid override pattern (expected relative path not containing '..'): ${pattern}`); + } + if (pattern.endsWith("*")) { + endsWithWildcard = true; + } + } + for (const pattern of excludePatterns) { + if (path.isAbsolute(pattern) || pattern.includes("..")) { + throw new Error(`Invalid override pattern (expected relative path not containing '..'): ${pattern}`); + } + } + + const includes = toMatcher(includePatterns); + const excludes = toMatcher(excludePatterns); + + return new OverrideTester( + [{ includes, excludes }], + basePath, + endsWithWildcard + ); + } + + /** + * Combine two testers by logical and. + * If either of the testers was `null`, returns the other tester. + * The `basePath` property of the two must be the same value. + * @param {OverrideTester|null} a A tester. + * @param {OverrideTester|null} b Another tester. + * @returns {OverrideTester|null} Combined tester. + */ + static and(a, b) { + if (!b) { + return a && new OverrideTester( + a.patterns, + a.basePath, + a.endsWithWildcard + ); + } + if (!a) { + return new OverrideTester( + b.patterns, + b.basePath, + b.endsWithWildcard + ); + } + + assert.strictEqual(a.basePath, b.basePath); + return new OverrideTester( + a.patterns.concat(b.patterns), + a.basePath, + a.endsWithWildcard || b.endsWithWildcard + ); + } + + /** + * Initialize this instance. + * @param {Pattern[]} patterns The matchers. + * @param {string} basePath The base path. + * @param {boolean} endsWithWildcard If `true` then a pattern ends with `*`. + */ + constructor(patterns, basePath, endsWithWildcard = false) { + + /** @type {Pattern[]} */ + this.patterns = patterns; + + /** @type {string} */ + this.basePath = basePath; + + /** @type {boolean} */ + this.endsWithWildcard = endsWithWildcard; + } + + /** + * Test if a given path is matched or not. + * @param {string} filePath The absolute path to the target file. + * @returns {boolean} `true` if the path was matched. + * @throws {Error} When invalid `filePath` is given. + */ + test(filePath) { + if (typeof filePath !== "string" || !path.isAbsolute(filePath)) { + throw new Error(`'filePath' should be an absolute path, but got ${filePath}.`); + } + const relativePath = path.relative(this.basePath, filePath); + + return this.patterns.every(({ includes, excludes }) => ( + (!includes || includes.some(m => m.match(relativePath))) && + (!excludes || !excludes.some(m => m.match(relativePath))) + )); + } + + /** + * Converts this instance to a JSON compatible object. + * @returns {Object} a JSON compatible object. + */ + toJSON() { + if (this.patterns.length === 1) { + return { + ...patternToJson(this.patterns[0]), + basePath: this.basePath + }; + } + return { + AND: this.patterns.map(patternToJson), + basePath: this.basePath + }; + } + + /** + * Custom inspect method for Node.js `console.log()`. + * @returns {Object} an object to display by `console.log()`. + */ + [util.inspect.custom]() { + return this.toJSON(); + } +} + +export { OverrideTester }; diff --git a/module/node_modules/@eslint/eslintrc/lib/flat-compat.js b/module/node_modules/@eslint/eslintrc/lib/flat-compat.js new file mode 100644 index 000000000..c5c4e1c2b --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/flat-compat.js @@ -0,0 +1,329 @@ +/** + * @fileoverview Compatibility class for flat config. + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +import createDebug from "debug"; +import path from "node:path"; + +import environments from "../conf/environments.js"; +import { ConfigArrayFactory } from "./config-array-factory.js"; + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/** @typedef {import("../../shared/types").Environment} Environment */ +/** @typedef {import("../../shared/types").Processor} Processor */ + +const debug = createDebug("eslintrc:flat-compat"); +const cafactory = Symbol("cafactory"); + +/** + * Translates an ESLintRC-style config object into a flag-config-style config + * object. + * @param {Object} eslintrcConfig An ESLintRC-style config object. + * @param {Object} options Options to help translate the config. + * @param {string} options.resolveConfigRelativeTo To the directory to resolve + * configs from. + * @param {string} options.resolvePluginsRelativeTo The directory to resolve + * plugins from. + * @param {ReadOnlyMap} options.pluginEnvironments A map of plugin environment + * names to objects. + * @param {ReadOnlyMap} options.pluginProcessors A map of plugin processor + * names to objects. + * @returns {Object} A flag-config-style config object. + * @throws {Error} If a plugin or environment cannot be resolved. + */ +function translateESLintRC(eslintrcConfig, { + resolveConfigRelativeTo, + resolvePluginsRelativeTo, + pluginEnvironments, + pluginProcessors +}) { + + const flatConfig = {}; + const configs = []; + const languageOptions = {}; + const linterOptions = {}; + const keysToCopy = ["settings", "rules", "processor"]; + const languageOptionsKeysToCopy = ["globals", "parser", "parserOptions"]; + const linterOptionsKeysToCopy = ["noInlineConfig", "reportUnusedDisableDirectives"]; + + // copy over simple translations + for (const key of keysToCopy) { + if (key in eslintrcConfig && typeof eslintrcConfig[key] !== "undefined") { + flatConfig[key] = eslintrcConfig[key]; + } + } + + // copy over languageOptions + for (const key of languageOptionsKeysToCopy) { + if (key in eslintrcConfig && typeof eslintrcConfig[key] !== "undefined") { + + // create the languageOptions key in the flat config + flatConfig.languageOptions = languageOptions; + + if (key === "parser") { + debug(`Resolving parser '${languageOptions[key]}' relative to ${resolveConfigRelativeTo}`); + + if (eslintrcConfig[key].error) { + throw eslintrcConfig[key].error; + } + + languageOptions[key] = eslintrcConfig[key].definition; + continue; + } + + // clone any object values that are in the eslintrc config + if (eslintrcConfig[key] && typeof eslintrcConfig[key] === "object") { + languageOptions[key] = { + ...eslintrcConfig[key] + }; + } else { + languageOptions[key] = eslintrcConfig[key]; + } + } + } + + // copy over linterOptions + for (const key of linterOptionsKeysToCopy) { + if (key in eslintrcConfig && typeof eslintrcConfig[key] !== "undefined") { + flatConfig.linterOptions = linterOptions; + linterOptions[key] = eslintrcConfig[key]; + } + } + + // move ecmaVersion a level up + if (languageOptions.parserOptions) { + + if ("ecmaVersion" in languageOptions.parserOptions) { + languageOptions.ecmaVersion = languageOptions.parserOptions.ecmaVersion; + delete languageOptions.parserOptions.ecmaVersion; + } + + if ("sourceType" in languageOptions.parserOptions) { + languageOptions.sourceType = languageOptions.parserOptions.sourceType; + delete languageOptions.parserOptions.sourceType; + } + + // check to see if we even need parserOptions anymore and remove it if not + if (Object.keys(languageOptions.parserOptions).length === 0) { + delete languageOptions.parserOptions; + } + } + + // overrides + if (eslintrcConfig.criteria) { + flatConfig.files = [absoluteFilePath => eslintrcConfig.criteria.test(absoluteFilePath)]; + } + + // translate plugins + if (eslintrcConfig.plugins && typeof eslintrcConfig.plugins === "object") { + debug(`Translating plugins: ${eslintrcConfig.plugins}`); + + flatConfig.plugins = {}; + + for (const pluginName of Object.keys(eslintrcConfig.plugins)) { + + debug(`Translating plugin: ${pluginName}`); + debug(`Resolving plugin '${pluginName} relative to ${resolvePluginsRelativeTo}`); + + const { original: plugin, error } = eslintrcConfig.plugins[pluginName]; + + if (error) { + throw error; + } + + flatConfig.plugins[pluginName] = plugin; + + // create a config for any processors + if (plugin.processors) { + for (const processorName of Object.keys(plugin.processors)) { + if (processorName.startsWith(".")) { + debug(`Assigning processor: ${pluginName}/${processorName}`); + + configs.unshift({ + files: [`**/*${processorName}`], + processor: pluginProcessors.get(`${pluginName}/${processorName}`) + }); + } + + } + } + } + } + + // translate env - must come after plugins + if (eslintrcConfig.env && typeof eslintrcConfig.env === "object") { + for (const envName of Object.keys(eslintrcConfig.env)) { + + // only add environments that are true + if (eslintrcConfig.env[envName]) { + debug(`Translating environment: ${envName}`); + + if (environments.has(envName)) { + + // built-in environments should be defined first + configs.unshift(...translateESLintRC({ + criteria: eslintrcConfig.criteria, + ...environments.get(envName) + }, { + resolveConfigRelativeTo, + resolvePluginsRelativeTo + })); + } else if (pluginEnvironments.has(envName)) { + + // if the environment comes from a plugin, it should come after the plugin config + configs.push(...translateESLintRC({ + criteria: eslintrcConfig.criteria, + ...pluginEnvironments.get(envName) + }, { + resolveConfigRelativeTo, + resolvePluginsRelativeTo + })); + } + } + } + } + + // only add if there are actually keys in the config + if (Object.keys(flatConfig).length > 0) { + configs.push(flatConfig); + } + + return configs; +} + + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * A compatibility class for working with configs. + */ +class FlatCompat { + + constructor({ + baseDirectory = process.cwd(), + resolvePluginsRelativeTo = baseDirectory, + recommendedConfig, + allConfig + } = {}) { + this.baseDirectory = baseDirectory; + this.resolvePluginsRelativeTo = resolvePluginsRelativeTo; + this[cafactory] = new ConfigArrayFactory({ + cwd: baseDirectory, + resolvePluginsRelativeTo, + getEslintAllConfig() { + + if (!allConfig) { + throw new TypeError("Missing parameter 'allConfig' in FlatCompat constructor."); + } + + // remove name property if it exists + const config = { ...allConfig }; + + delete config.name; + + return config; + }, + getEslintRecommendedConfig() { + + if (!recommendedConfig) { + throw new TypeError("Missing parameter 'recommendedConfig' in FlatCompat constructor."); + } + + // remove name property if it exists + const config = { ...recommendedConfig }; + + delete config.name; + + return config; + } + }); + } + + /** + * Translates an ESLintRC-style config into a flag-config-style config. + * @param {Object} eslintrcConfig The ESLintRC-style config object. + * @returns {Object} A flag-config-style config object. + */ + config(eslintrcConfig) { + const eslintrcArray = this[cafactory].create(eslintrcConfig, { + basePath: this.baseDirectory + }); + + const flatArray = []; + let hasIgnorePatterns = false; + + eslintrcArray.forEach(configData => { + if (configData.type === "config") { + hasIgnorePatterns = hasIgnorePatterns || configData.ignorePattern; + flatArray.push(...translateESLintRC(configData, { + resolveConfigRelativeTo: path.join(this.baseDirectory, "__placeholder.js"), + resolvePluginsRelativeTo: path.join(this.resolvePluginsRelativeTo, "__placeholder.js"), + pluginEnvironments: eslintrcArray.pluginEnvironments, + pluginProcessors: eslintrcArray.pluginProcessors + })); + } + }); + + // combine ignorePatterns to emulate ESLintRC behavior better + if (hasIgnorePatterns) { + flatArray.unshift({ + ignores: [filePath => { + + // Compute the final config for this file. + // This filters config array elements by `files`/`excludedFiles` then merges the elements. + const finalConfig = eslintrcArray.extractConfig(filePath); + + // Test the `ignorePattern` properties of the final config. + return Boolean(finalConfig.ignores) && finalConfig.ignores(filePath); + }] + }); + } + + return flatArray; + } + + /** + * Translates the `env` section of an ESLintRC-style config. + * @param {Object} envConfig The `env` section of an ESLintRC config. + * @returns {Object[]} An array of flag-config objects representing the environments. + */ + env(envConfig) { + return this.config({ + env: envConfig + }); + } + + /** + * Translates the `extends` section of an ESLintRC-style config. + * @param {...string} configsToExtend The names of the configs to load. + * @returns {Object[]} An array of flag-config objects representing the config. + */ + extends(...configsToExtend) { + return this.config({ + extends: configsToExtend + }); + } + + /** + * Translates the `plugins` section of an ESLintRC-style config. + * @param {...string} plugins The names of the plugins to load. + * @returns {Object[]} An array of flag-config objects representing the plugins. + */ + plugins(...plugins) { + return this.config({ + plugins + }); + } +} + +export { FlatCompat }; diff --git a/module/node_modules/@eslint/eslintrc/lib/index-universal.js b/module/node_modules/@eslint/eslintrc/lib/index-universal.js new file mode 100644 index 000000000..6f6b30265 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/index-universal.js @@ -0,0 +1,29 @@ +/** + * @fileoverview Package exports for @eslint/eslintrc + * @author Nicholas C. Zakas + */ +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +import * as ConfigOps from "./shared/config-ops.js"; +import ConfigValidator from "./shared/config-validator.js"; +import * as naming from "./shared/naming.js"; +import environments from "../conf/environments.js"; + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +const Legacy = { + environments, + + // shared + ConfigOps, + ConfigValidator, + naming +}; + +export { + Legacy +}; diff --git a/module/node_modules/@eslint/eslintrc/lib/index.js b/module/node_modules/@eslint/eslintrc/lib/index.js new file mode 100644 index 000000000..a37e57465 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/index.js @@ -0,0 +1,58 @@ +/** + * @fileoverview Package exports for @eslint/eslintrc + * @author Nicholas C. Zakas + */ +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +import { + ConfigArrayFactory, + createContext as createConfigArrayFactoryContext, + loadConfigFile +} from "./config-array-factory.js"; + +import { CascadingConfigArrayFactory } from "./cascading-config-array-factory.js"; +import * as ModuleResolver from "./shared/relative-module-resolver.js"; +import { ConfigArray, getUsedExtractedConfigs } from "./config-array/index.js"; +import { ConfigDependency } from "./config-array/config-dependency.js"; +import { ExtractedConfig } from "./config-array/extracted-config.js"; +import { IgnorePattern } from "./config-array/ignore-pattern.js"; +import { OverrideTester } from "./config-array/override-tester.js"; +import * as ConfigOps from "./shared/config-ops.js"; +import ConfigValidator from "./shared/config-validator.js"; +import * as naming from "./shared/naming.js"; +import { FlatCompat } from "./flat-compat.js"; +import environments from "../conf/environments.js"; + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +const Legacy = { + ConfigArray, + createConfigArrayFactoryContext, + CascadingConfigArrayFactory, + ConfigArrayFactory, + ConfigDependency, + ExtractedConfig, + IgnorePattern, + OverrideTester, + getUsedExtractedConfigs, + environments, + loadConfigFile, + + // shared + ConfigOps, + ConfigValidator, + ModuleResolver, + naming +}; + +export { + + Legacy, + + FlatCompat + +}; diff --git a/module/node_modules/@eslint/eslintrc/lib/shared/ajv.js b/module/node_modules/@eslint/eslintrc/lib/shared/ajv.js new file mode 100644 index 000000000..7e53d12a6 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/shared/ajv.js @@ -0,0 +1,191 @@ +/** + * @fileoverview The instance of Ajv validator. + * @author Evgeny Poberezkin + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +import Ajv from "ajv"; + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/* + * Copied from ajv/lib/refs/json-schema-draft-04.json + * The MIT License (MIT) + * Copyright (c) 2015-2017 Evgeny Poberezkin + */ +const metaSchema = { + id: "http://json-schema.org/draft-04/schema#", + $schema: "http://json-schema.org/draft-04/schema#", + description: "Core schema meta-schema", + definitions: { + schemaArray: { + type: "array", + minItems: 1, + items: { $ref: "#" } + }, + positiveInteger: { + type: "integer", + minimum: 0 + }, + positiveIntegerDefault0: { + allOf: [{ $ref: "#/definitions/positiveInteger" }, { default: 0 }] + }, + simpleTypes: { + enum: ["array", "boolean", "integer", "null", "number", "object", "string"] + }, + stringArray: { + type: "array", + items: { type: "string" }, + minItems: 1, + uniqueItems: true + } + }, + type: "object", + properties: { + id: { + type: "string" + }, + $schema: { + type: "string" + }, + title: { + type: "string" + }, + description: { + type: "string" + }, + default: { }, + multipleOf: { + type: "number", + minimum: 0, + exclusiveMinimum: true + }, + maximum: { + type: "number" + }, + exclusiveMaximum: { + type: "boolean", + default: false + }, + minimum: { + type: "number" + }, + exclusiveMinimum: { + type: "boolean", + default: false + }, + maxLength: { $ref: "#/definitions/positiveInteger" }, + minLength: { $ref: "#/definitions/positiveIntegerDefault0" }, + pattern: { + type: "string", + format: "regex" + }, + additionalItems: { + anyOf: [ + { type: "boolean" }, + { $ref: "#" } + ], + default: { } + }, + items: { + anyOf: [ + { $ref: "#" }, + { $ref: "#/definitions/schemaArray" } + ], + default: { } + }, + maxItems: { $ref: "#/definitions/positiveInteger" }, + minItems: { $ref: "#/definitions/positiveIntegerDefault0" }, + uniqueItems: { + type: "boolean", + default: false + }, + maxProperties: { $ref: "#/definitions/positiveInteger" }, + minProperties: { $ref: "#/definitions/positiveIntegerDefault0" }, + required: { $ref: "#/definitions/stringArray" }, + additionalProperties: { + anyOf: [ + { type: "boolean" }, + { $ref: "#" } + ], + default: { } + }, + definitions: { + type: "object", + additionalProperties: { $ref: "#" }, + default: { } + }, + properties: { + type: "object", + additionalProperties: { $ref: "#" }, + default: { } + }, + patternProperties: { + type: "object", + additionalProperties: { $ref: "#" }, + default: { } + }, + dependencies: { + type: "object", + additionalProperties: { + anyOf: [ + { $ref: "#" }, + { $ref: "#/definitions/stringArray" } + ] + } + }, + enum: { + type: "array", + minItems: 1, + uniqueItems: true + }, + type: { + anyOf: [ + { $ref: "#/definitions/simpleTypes" }, + { + type: "array", + items: { $ref: "#/definitions/simpleTypes" }, + minItems: 1, + uniqueItems: true + } + ] + }, + format: { type: "string" }, + allOf: { $ref: "#/definitions/schemaArray" }, + anyOf: { $ref: "#/definitions/schemaArray" }, + oneOf: { $ref: "#/definitions/schemaArray" }, + not: { $ref: "#" } + }, + dependencies: { + exclusiveMaximum: ["maximum"], + exclusiveMinimum: ["minimum"] + }, + default: { } +}; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +export default (additionalOptions = {}) => { + const ajv = new Ajv({ + meta: false, + useDefaults: true, + validateSchema: false, + missingRefs: "ignore", + verbose: true, + schemaId: "auto", + ...additionalOptions + }); + + ajv.addMetaSchema(metaSchema); + // eslint-disable-next-line no-underscore-dangle -- part of the API + ajv._opts.defaultMeta = metaSchema.id; + + return ajv; +}; diff --git a/module/node_modules/@eslint/eslintrc/lib/shared/config-ops.js b/module/node_modules/@eslint/eslintrc/lib/shared/config-ops.js new file mode 100644 index 000000000..465d9b86f --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/shared/config-ops.js @@ -0,0 +1,135 @@ +/** + * @fileoverview Config file operations. This file must be usable in the browser, + * so no Node-specific code can be here. + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ + +const RULE_SEVERITY_STRINGS = ["off", "warn", "error"], + RULE_SEVERITY = RULE_SEVERITY_STRINGS.reduce((map, value, index) => { + map[value] = index; + return map; + }, {}), + VALID_SEVERITIES = new Set([0, 1, 2, "off", "warn", "error"]); + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Normalizes the severity value of a rule's configuration to a number + * @param {(number|string|[number, ...*]|[string, ...*])} ruleConfig A rule's configuration value, generally + * received from the user. A valid config value is either 0, 1, 2, the string "off" (treated the same as 0), + * the string "warn" (treated the same as 1), the string "error" (treated the same as 2), or an array + * whose first element is one of the above values. Strings are matched case-insensitively. + * @returns {(0|1|2)} The numeric severity value if the config value was valid, otherwise 0. + */ +function getRuleSeverity(ruleConfig) { + const severityValue = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig; + + if (severityValue === 0 || severityValue === 1 || severityValue === 2) { + return severityValue; + } + + if (typeof severityValue === "string") { + return RULE_SEVERITY[severityValue.toLowerCase()] || 0; + } + + return 0; +} + +/** + * Converts old-style severity settings (0, 1, 2) into new-style + * severity settings (off, warn, error) for all rules. Assumption is that severity + * values have already been validated as correct. + * @param {Object} config The config object to normalize. + * @returns {void} + */ +function normalizeToStrings(config) { + + if (config.rules) { + Object.keys(config.rules).forEach(ruleId => { + const ruleConfig = config.rules[ruleId]; + + if (typeof ruleConfig === "number") { + config.rules[ruleId] = RULE_SEVERITY_STRINGS[ruleConfig] || RULE_SEVERITY_STRINGS[0]; + } else if (Array.isArray(ruleConfig) && typeof ruleConfig[0] === "number") { + ruleConfig[0] = RULE_SEVERITY_STRINGS[ruleConfig[0]] || RULE_SEVERITY_STRINGS[0]; + } + }); + } +} + +/** + * Determines if the severity for the given rule configuration represents an error. + * @param {int|string|Array} ruleConfig The configuration for an individual rule. + * @returns {boolean} True if the rule represents an error, false if not. + */ +function isErrorSeverity(ruleConfig) { + return getRuleSeverity(ruleConfig) === 2; +} + +/** + * Checks whether a given config has valid severity or not. + * @param {number|string|Array} ruleConfig The configuration for an individual rule. + * @returns {boolean} `true` if the configuration has valid severity. + */ +function isValidSeverity(ruleConfig) { + let severity = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig; + + if (typeof severity === "string") { + severity = severity.toLowerCase(); + } + return VALID_SEVERITIES.has(severity); +} + +/** + * Checks whether every rule of a given config has valid severity or not. + * @param {Object} config The configuration for rules. + * @returns {boolean} `true` if the configuration has valid severity. + */ +function isEverySeverityValid(config) { + return Object.keys(config).every(ruleId => isValidSeverity(config[ruleId])); +} + +/** + * Normalizes a value for a global in a config + * @param {(boolean|string|null)} configuredValue The value given for a global in configuration or in + * a global directive comment + * @returns {("readable"|"writeable"|"off")} The value normalized as a string + * @throws Error if global value is invalid + */ +function normalizeConfigGlobal(configuredValue) { + switch (configuredValue) { + case "off": + return "off"; + + case true: + case "true": + case "writeable": + case "writable": + return "writable"; + + case null: + case false: + case "false": + case "readable": + case "readonly": + return "readonly"; + + default: + throw new Error(`'${configuredValue}' is not a valid configuration for a global (use 'readonly', 'writable', or 'off')`); + } +} + +export { + getRuleSeverity, + normalizeToStrings, + isErrorSeverity, + isValidSeverity, + isEverySeverityValid, + normalizeConfigGlobal +}; diff --git a/module/node_modules/@eslint/eslintrc/lib/shared/config-validator.js b/module/node_modules/@eslint/eslintrc/lib/shared/config-validator.js new file mode 100644 index 000000000..6857e7a0a --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/shared/config-validator.js @@ -0,0 +1,383 @@ +/** + * @fileoverview Validates configs. + * @author Brandon Mills + */ + +/* eslint class-methods-use-this: "off" -- not needed in this file */ + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** @typedef {import("../shared/types").Rule} Rule */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +import util from "node:util"; +import * as ConfigOps from "./config-ops.js"; +import { emitDeprecationWarning } from "./deprecation-warnings.js"; +import ajvOrig from "./ajv.js"; +import { deepMergeArrays } from "./deep-merge-arrays.js"; +import configSchema from "../../conf/config-schema.js"; +import BuiltInEnvironments from "../../conf/environments.js"; + +const ajv = ajvOrig(); + +const ruleValidators = new WeakMap(); +const noop = Function.prototype; + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ +let validateSchema; +const severityMap = { + error: 2, + warn: 1, + off: 0 +}; + +const validated = new WeakSet(); + +// JSON schema that disallows passing any options +const noOptionsSchema = Object.freeze({ + type: "array", + minItems: 0, + maxItems: 0 +}); + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Validator for configuration objects. + */ +export default class ConfigValidator { + constructor({ builtInRules = new Map() } = {}) { + this.builtInRules = builtInRules; + } + + /** + * Gets a complete options schema for a rule. + * @param {Rule} rule A rule object + * @throws {TypeError} If `meta.schema` is specified but is not an array, object or `false`. + * @returns {Object|null} JSON Schema for the rule's options. + * `null` if rule wasn't passed or its `meta.schema` is `false`. + */ + getRuleOptionsSchema(rule) { + if (!rule) { + return null; + } + + if (!rule.meta) { + return { ...noOptionsSchema }; // default if `meta.schema` is not specified + } + + const schema = rule.meta.schema; + + if (typeof schema === "undefined") { + return { ...noOptionsSchema }; // default if `meta.schema` is not specified + } + + // `schema:false` is an allowed explicit opt-out of options validation for the rule + if (schema === false) { + return null; + } + + if (typeof schema !== "object" || schema === null) { + throw new TypeError("Rule's `meta.schema` must be an array or object"); + } + + // ESLint-specific array form needs to be converted into a valid JSON Schema definition + if (Array.isArray(schema)) { + if (schema.length) { + return { + type: "array", + items: schema, + minItems: 0, + maxItems: schema.length + }; + } + + // `schema:[]` is an explicit way to specify that the rule does not accept any options + return { ...noOptionsSchema }; + } + + // `schema:` is assumed to be a valid JSON Schema definition + return schema; + } + + /** + * Validates a rule's severity and returns the severity value. Throws an error if the severity is invalid. + * @param {options} options The given options for the rule. + * @returns {number|string} The rule's severity value + * @throws {Error} If the severity is invalid. + */ + validateRuleSeverity(options) { + const severity = Array.isArray(options) ? options[0] : options; + const normSeverity = typeof severity === "string" ? severityMap[severity.toLowerCase()] : severity; + + if (normSeverity === 0 || normSeverity === 1 || normSeverity === 2) { + return normSeverity; + } + + throw new Error(`\tSeverity should be one of the following: 0 = off, 1 = warn, 2 = error (you passed '${util.inspect(severity).replace(/'/gu, "\"").replace(/\n/gu, "")}').\n`); + + } + + /** + * Validates the non-severity options passed to a rule, based on its schema. + * @param {{create: Function}} rule The rule to validate + * @param {Array} localOptions The options for the rule, excluding severity + * @returns {void} + * @throws {Error} If the options are invalid. + */ + validateRuleSchema(rule, localOptions) { + if (!ruleValidators.has(rule)) { + try { + const schema = this.getRuleOptionsSchema(rule); + + if (schema) { + ruleValidators.set(rule, ajv.compile(schema)); + } + } catch (err) { + const errorWithCode = new Error(err.message, { cause: err }); + + errorWithCode.code = "ESLINT_INVALID_RULE_OPTIONS_SCHEMA"; + + throw errorWithCode; + } + } + + const validateRule = ruleValidators.get(rule); + + if (validateRule) { + const mergedOptions = deepMergeArrays(rule.meta?.defaultOptions, localOptions); + + validateRule(mergedOptions); + + if (validateRule.errors) { + throw new Error(validateRule.errors.map( + error => `\tValue ${JSON.stringify(error.data)} ${error.message}.\n` + ).join("")); + } + } + } + + /** + * Validates a rule's options against its schema. + * @param {{create: Function}|null} rule The rule that the config is being validated for + * @param {string} ruleId The rule's unique name. + * @param {Array|number} options The given options for the rule. + * @param {string|null} source The name of the configuration source to report in any errors. If null or undefined, + * no source is prepended to the message. + * @returns {void} + * @throws {Error} If the options are invalid. + */ + validateRuleOptions(rule, ruleId, options, source = null) { + try { + const severity = this.validateRuleSeverity(options); + + if (severity !== 0) { + this.validateRuleSchema(rule, Array.isArray(options) ? options.slice(1) : []); + } + } catch (err) { + let enhancedMessage = err.code === "ESLINT_INVALID_RULE_OPTIONS_SCHEMA" + ? `Error while processing options validation schema of rule '${ruleId}': ${err.message}` + : `Configuration for rule "${ruleId}" is invalid:\n${err.message}`; + + if (typeof source === "string") { + enhancedMessage = `${source}:\n\t${enhancedMessage}`; + } + + const enhancedError = new Error(enhancedMessage, { cause: err }); + + if (err.code) { + enhancedError.code = err.code; + } + + throw enhancedError; + } + } + + /** + * Validates an environment object + * @param {Object} environment The environment config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @param {(envId:string) => Object} [getAdditionalEnv] A map from strings to loaded environments. + * @returns {void} + * @throws {Error} If the environment is invalid. + */ + validateEnvironment( + environment, + source, + getAdditionalEnv = noop + ) { + + // not having an environment is ok + if (!environment) { + return; + } + + Object.keys(environment).forEach(id => { + const env = getAdditionalEnv(id) || BuiltInEnvironments.get(id) || null; + + if (!env) { + const message = `${source}:\n\tEnvironment key "${id}" is unknown\n`; + + throw new Error(message); + } + }); + } + + /** + * Validates a rules config object + * @param {Object} rulesConfig The rules config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @param {(ruleId:string) => Object} getAdditionalRule A map from strings to loaded rules + * @returns {void} + */ + validateRules( + rulesConfig, + source, + getAdditionalRule = noop + ) { + if (!rulesConfig) { + return; + } + + Object.keys(rulesConfig).forEach(id => { + const rule = getAdditionalRule(id) || this.builtInRules.get(id) || null; + + this.validateRuleOptions(rule, id, rulesConfig[id], source); + }); + } + + /** + * Validates a `globals` section of a config file + * @param {Object} globalsConfig The `globals` section + * @param {string|null} source The name of the configuration source to report in the event of an error. + * @returns {void} + */ + validateGlobals(globalsConfig, source = null) { + if (!globalsConfig) { + return; + } + + Object.entries(globalsConfig) + .forEach(([configuredGlobal, configuredValue]) => { + try { + ConfigOps.normalizeConfigGlobal(configuredValue); + } catch (err) { + throw new Error(`ESLint configuration of global '${configuredGlobal}' in ${source} is invalid:\n${err.message}`); + } + }); + } + + /** + * Validate `processor` configuration. + * @param {string|undefined} processorName The processor name. + * @param {string} source The name of config file. + * @param {(id:string) => Processor} getProcessor The getter of defined processors. + * @returns {void} + * @throws {Error} If the processor is invalid. + */ + validateProcessor(processorName, source, getProcessor) { + if (processorName && !getProcessor(processorName)) { + throw new Error(`ESLint configuration of processor in '${source}' is invalid: '${processorName}' was not found.`); + } + } + + /** + * Formats an array of schema validation errors. + * @param {Array} errors An array of error messages to format. + * @returns {string} Formatted error message + */ + formatErrors(errors) { + return errors.map(error => { + if (error.keyword === "additionalProperties") { + const formattedPropertyPath = error.dataPath.length ? `${error.dataPath.slice(1)}.${error.params.additionalProperty}` : error.params.additionalProperty; + + return `Unexpected top-level property "${formattedPropertyPath}"`; + } + if (error.keyword === "type") { + const formattedField = error.dataPath.slice(1); + const formattedExpectedType = Array.isArray(error.schema) ? error.schema.join("/") : error.schema; + const formattedValue = JSON.stringify(error.data); + + return `Property "${formattedField}" is the wrong type (expected ${formattedExpectedType} but got \`${formattedValue}\`)`; + } + + const field = error.dataPath[0] === "." ? error.dataPath.slice(1) : error.dataPath; + + return `"${field}" ${error.message}. Value: ${JSON.stringify(error.data)}`; + }).map(message => `\t- ${message}.\n`).join(""); + } + + /** + * Validates the top level properties of the config object. + * @param {Object} config The config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @returns {void} + * @throws {Error} If the config is invalid. + */ + validateConfigSchema(config, source = null) { + validateSchema = validateSchema || ajv.compile(configSchema); + + if (!validateSchema(config)) { + throw new Error(`ESLint configuration in ${source} is invalid:\n${this.formatErrors(validateSchema.errors)}`); + } + + if (Object.hasOwn(config, "ecmaFeatures")) { + emitDeprecationWarning(source, "ESLINT_LEGACY_ECMAFEATURES"); + } + } + + /** + * Validates an entire config object. + * @param {Object} config The config object to validate. + * @param {string} source The name of the configuration source to report in any errors. + * @param {(ruleId:string) => Object} [getAdditionalRule] A map from strings to loaded rules. + * @param {(envId:string) => Object} [getAdditionalEnv] A map from strings to loaded envs. + * @returns {void} + */ + validate(config, source, getAdditionalRule, getAdditionalEnv) { + this.validateConfigSchema(config, source); + this.validateRules(config.rules, source, getAdditionalRule); + this.validateEnvironment(config.env, source, getAdditionalEnv); + this.validateGlobals(config.globals, source); + + for (const override of config.overrides || []) { + this.validateRules(override.rules, source, getAdditionalRule); + this.validateEnvironment(override.env, source, getAdditionalEnv); + this.validateGlobals(config.globals, source); + } + } + + /** + * Validate config array object. + * @param {ConfigArray} configArray The config array to validate. + * @returns {void} + */ + validateConfigArray(configArray) { + const getPluginEnv = Map.prototype.get.bind(configArray.pluginEnvironments); + const getPluginProcessor = Map.prototype.get.bind(configArray.pluginProcessors); + const getPluginRule = Map.prototype.get.bind(configArray.pluginRules); + + // Validate. + for (const element of configArray) { + if (validated.has(element)) { + continue; + } + validated.add(element); + + this.validateEnvironment(element.env, element.name, getPluginEnv); + this.validateGlobals(element.globals, element.name); + this.validateProcessor(element.processor, element.name, getPluginProcessor); + this.validateRules(element.rules, element.name, getPluginRule); + } + } + +} diff --git a/module/node_modules/@eslint/eslintrc/lib/shared/deep-merge-arrays.js b/module/node_modules/@eslint/eslintrc/lib/shared/deep-merge-arrays.js new file mode 100644 index 000000000..0c7ec349c --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/shared/deep-merge-arrays.js @@ -0,0 +1,58 @@ +/** + * @fileoverview Applies default rule options + * @author JoshuaKGoldberg + */ + +/** + * Check if the variable contains an object strictly rejecting arrays + * @param {unknown} value an object + * @returns {boolean} Whether value is an object + */ +function isObjectNotArray(value) { + return typeof value === "object" && value !== null && !Array.isArray(value); +} + +/** + * Deeply merges second on top of first, creating a new {} object if needed. + * @param {T} first Base, default value. + * @param {U} second User-specified value. + * @returns {T | U | (T & U)} Merged equivalent of second on top of first. + */ +function deepMergeObjects(first, second) { + if (second === void 0) { + return first; + } + + if (!isObjectNotArray(first) || !isObjectNotArray(second)) { + return second; + } + + const result = { ...first, ...second }; + + for (const key of Object.keys(second)) { + if (Object.prototype.propertyIsEnumerable.call(first, key)) { + result[key] = deepMergeObjects(first[key], second[key]); + } + } + + return result; +} + +/** + * Deeply merges second on top of first, creating a new [] array if needed. + * @param {T[] | undefined} first Base, default values. + * @param {U[] | undefined} second User-specified values. + * @returns {(T | U | (T & U))[]} Merged equivalent of second on top of first. + */ +function deepMergeArrays(first, second) { + if (!first || !second) { + return second || first || []; + } + + return [ + ...first.map((value, i) => deepMergeObjects(value, second[i])), + ...second.slice(first.length) + ]; +} + +export { deepMergeArrays }; diff --git a/module/node_modules/@eslint/eslintrc/lib/shared/deprecation-warnings.js b/module/node_modules/@eslint/eslintrc/lib/shared/deprecation-warnings.js new file mode 100644 index 000000000..39cfe2c66 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/shared/deprecation-warnings.js @@ -0,0 +1,63 @@ +/** + * @fileoverview Provide the function that emits deprecation warnings. + * @author Toru Nagashima + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +import path from "node:path"; + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ + +// Defitions for deprecation warnings. +const deprecationWarningMessages = { + ESLINT_LEGACY_ECMAFEATURES: + "The 'ecmaFeatures' config file property is deprecated and has no effect.", + ESLINT_PERSONAL_CONFIG_LOAD: + "'~/.eslintrc.*' config files have been deprecated. " + + "Please use a config file per project or the '--config' option.", + ESLINT_PERSONAL_CONFIG_SUPPRESS: + "'~/.eslintrc.*' config files have been deprecated. " + + "Please remove it or add 'root:true' to the config files in your " + + "projects in order to avoid loading '~/.eslintrc.*' accidentally." +}; + +const sourceFileErrorCache = new Set(); + +/** + * Emits a deprecation warning containing a given filepath. A new deprecation warning is emitted + * for each unique file path, but repeated invocations with the same file path have no effect. + * No warnings are emitted if the `--no-deprecation` or `--no-warnings` Node runtime flags are active. + * @param {string} source The name of the configuration source to report the warning for. + * @param {string} errorCode The warning message to show. + * @returns {void} + */ +function emitDeprecationWarning(source, errorCode) { + const cacheKey = JSON.stringify({ source, errorCode }); + + if (sourceFileErrorCache.has(cacheKey)) { + return; + } + sourceFileErrorCache.add(cacheKey); + + const rel = path.relative(process.cwd(), source); + const message = deprecationWarningMessages[errorCode]; + + process.emitWarning( + `${message} (found in "${rel}")`, + "DeprecationWarning", + errorCode + ); +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +export { + emitDeprecationWarning +}; diff --git a/module/node_modules/@eslint/eslintrc/lib/shared/naming.js b/module/node_modules/@eslint/eslintrc/lib/shared/naming.js new file mode 100644 index 000000000..93df5fc43 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/shared/naming.js @@ -0,0 +1,96 @@ +/** + * @fileoverview Common helpers for naming of plugins, formatters and configs + */ + +const NAMESPACE_REGEX = /^@.*\//iu; + +/** + * Brings package name to correct format based on prefix + * @param {string} name The name of the package. + * @param {string} prefix Can be either "eslint-plugin", "eslint-config" or "eslint-formatter" + * @returns {string} Normalized name of the package + * @private + */ +function normalizePackageName(name, prefix) { + let normalizedName = name; + + /** + * On Windows, name can come in with Windows slashes instead of Unix slashes. + * Normalize to Unix first to avoid errors later on. + * https://github.com/eslint/eslint/issues/5644 + */ + if (normalizedName.includes("\\")) { + normalizedName = normalizedName.replace(/\\/gu, "/"); + } + + if (normalizedName.charAt(0) === "@") { + + /** + * it's a scoped package + * package name is the prefix, or just a username + */ + const scopedPackageShortcutRegex = new RegExp(`^(@[^/]+)(?:/(?:${prefix})?)?$`, "u"), + scopedPackageNameRegex = new RegExp(`^${prefix}(-|$)`, "u"); + + if (scopedPackageShortcutRegex.test(normalizedName)) { + normalizedName = normalizedName.replace(scopedPackageShortcutRegex, `$1/${prefix}`); + } else if (!scopedPackageNameRegex.test(normalizedName.split("/")[1])) { + + /** + * for scoped packages, insert the prefix after the first / unless + * the path is already @scope/eslint or @scope/eslint-xxx-yyy + */ + normalizedName = normalizedName.replace(/^@([^/]+)\/(.*)$/u, `@$1/${prefix}-$2`); + } + } else if (!normalizedName.startsWith(`${prefix}-`)) { + normalizedName = `${prefix}-${normalizedName}`; + } + + return normalizedName; +} + +/** + * Removes the prefix from a fullname. + * @param {string} fullname The term which may have the prefix. + * @param {string} prefix The prefix to remove. + * @returns {string} The term without prefix. + */ +function getShorthandName(fullname, prefix) { + if (fullname[0] === "@") { + let matchResult = new RegExp(`^(@[^/]+)/${prefix}$`, "u").exec(fullname); + + if (matchResult) { + return matchResult[1]; + } + + matchResult = new RegExp(`^(@[^/]+)/${prefix}-(.+)$`, "u").exec(fullname); + if (matchResult) { + return `${matchResult[1]}/${matchResult[2]}`; + } + } else if (fullname.startsWith(`${prefix}-`)) { + return fullname.slice(prefix.length + 1); + } + + return fullname; +} + +/** + * Gets the scope (namespace) of a term. + * @param {string} term The term which may have the namespace. + * @returns {string} The namespace of the term if it has one. + */ +function getNamespaceFromTerm(term) { + const match = term.match(NAMESPACE_REGEX); + + return match ? match[0] : ""; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +export { + normalizePackageName, + getShorthandName, + getNamespaceFromTerm +}; diff --git a/module/node_modules/@eslint/eslintrc/lib/shared/relative-module-resolver.js b/module/node_modules/@eslint/eslintrc/lib/shared/relative-module-resolver.js new file mode 100644 index 000000000..81415b420 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/shared/relative-module-resolver.js @@ -0,0 +1,43 @@ +/** + * Utility for resolving a module relative to another module + * @author Teddy Katz + */ + +import Module from "node:module"; + +/* + * `Module.createRequire` is added in v12.2.0. It supports URL as well. + * We only support the case where the argument is a filepath, not a URL. + */ +const createRequire = Module.createRequire; + +/** + * Resolves a Node module relative to another module + * @param {string} moduleName The name of a Node module, or a path to a Node module. + * @param {string} relativeToPath An absolute path indicating the module that `moduleName` should be resolved relative to. This must be + * a file rather than a directory, but the file need not actually exist. + * @returns {string} The absolute path that would result from calling `require.resolve(moduleName)` in a file located at `relativeToPath` + * @throws {Error} When the module cannot be resolved. + */ +function resolve(moduleName, relativeToPath) { + try { + return createRequire(relativeToPath).resolve(moduleName); + } catch (error) { + + // This `if` block is for older Node.js than 12.0.0. We can remove this block in the future. + if ( + typeof error === "object" && + error !== null && + error.code === "MODULE_NOT_FOUND" && + !error.requireStack && + error.message.includes(moduleName) + ) { + error.message += `\nRequire stack:\n- ${relativeToPath}`; + } + throw error; + } +} + +export { + resolve +}; diff --git a/module/node_modules/@eslint/eslintrc/lib/shared/types.js b/module/node_modules/@eslint/eslintrc/lib/shared/types.js new file mode 100644 index 000000000..a32c35e39 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/shared/types.js @@ -0,0 +1,149 @@ +/** + * @fileoverview Define common types for input completion. + * @author Toru Nagashima + */ + +/** @type {any} */ +export default {}; + +/** @typedef {boolean | "off" | "readable" | "readonly" | "writable" | "writeable"} GlobalConf */ +/** @typedef {0 | 1 | 2 | "off" | "warn" | "error"} SeverityConf */ +/** @typedef {SeverityConf | [SeverityConf, ...any[]]} RuleConf */ + +/** + * @typedef {Object} EcmaFeatures + * @property {boolean} [globalReturn] Enabling `return` statements at the top-level. + * @property {boolean} [jsx] Enabling JSX syntax. + * @property {boolean} [impliedStrict] Enabling strict mode always. + */ + +/** + * @typedef {Object} ParserOptions + * @property {EcmaFeatures} [ecmaFeatures] The optional features. + * @property {3|5|6|7|8|9|10|11|12|2015|2016|2017|2018|2019|2020|2021} [ecmaVersion] The ECMAScript version (or revision number). + * @property {"script"|"module"} [sourceType] The source code type. + */ + +/** + * @typedef {Object} ConfigData + * @property {Record} [env] The environment settings. + * @property {string | string[]} [extends] The path to other config files or the package name of shareable configs. + * @property {Record} [globals] The global variable settings. + * @property {string | string[]} [ignorePatterns] The glob patterns that ignore to lint. + * @property {boolean} [noInlineConfig] The flag that disables directive comments. + * @property {OverrideConfigData[]} [overrides] The override settings per kind of files. + * @property {string} [parser] The path to a parser or the package name of a parser. + * @property {ParserOptions} [parserOptions] The parser options. + * @property {string[]} [plugins] The plugin specifiers. + * @property {string} [processor] The processor specifier. + * @property {boolean} [reportUnusedDisableDirectives] The flag to report unused `eslint-disable` comments. + * @property {boolean} [root] The root flag. + * @property {Record} [rules] The rule settings. + * @property {Object} [settings] The shared settings. + */ + +/** + * @typedef {Object} OverrideConfigData + * @property {Record} [env] The environment settings. + * @property {string | string[]} [excludedFiles] The glob pattarns for excluded files. + * @property {string | string[]} [extends] The path to other config files or the package name of shareable configs. + * @property {string | string[]} files The glob patterns for target files. + * @property {Record} [globals] The global variable settings. + * @property {boolean} [noInlineConfig] The flag that disables directive comments. + * @property {OverrideConfigData[]} [overrides] The override settings per kind of files. + * @property {string} [parser] The path to a parser or the package name of a parser. + * @property {ParserOptions} [parserOptions] The parser options. + * @property {string[]} [plugins] The plugin specifiers. + * @property {string} [processor] The processor specifier. + * @property {boolean} [reportUnusedDisableDirectives] The flag to report unused `eslint-disable` comments. + * @property {Record} [rules] The rule settings. + * @property {Object} [settings] The shared settings. + */ + +/** + * @typedef {Object} ParseResult + * @property {Object} ast The AST. + * @property {ScopeManager} [scopeManager] The scope manager of the AST. + * @property {Record} [services] The services that the parser provides. + * @property {Record} [visitorKeys] The visitor keys of the AST. + */ + +/** + * @typedef {Object} Parser + * @property {(text:string, options:ParserOptions) => Object} parse The definition of global variables. + * @property {(text:string, options:ParserOptions) => ParseResult} [parseForESLint] The parser options that will be enabled under this environment. + */ + +/** + * @typedef {Object} Environment + * @property {Record} [globals] The definition of global variables. + * @property {ParserOptions} [parserOptions] The parser options that will be enabled under this environment. + */ + +/** + * @typedef {Object} LintMessage + * @property {number} column The 1-based column number. + * @property {number} [endColumn] The 1-based column number of the end location. + * @property {number} [endLine] The 1-based line number of the end location. + * @property {boolean} fatal If `true` then this is a fatal error. + * @property {{range:[number,number], text:string}} [fix] Information for autofix. + * @property {number} line The 1-based line number. + * @property {string} message The error message. + * @property {string|null} ruleId The ID of the rule which makes this message. + * @property {0|1|2} severity The severity of this message. + * @property {Array<{desc?: string, messageId?: string, fix: {range: [number, number], text: string}}>} [suggestions] Information for suggestions. + */ + +/** + * @typedef {Object} SuggestionResult + * @property {string} desc A short description. + * @property {string} [messageId] Id referencing a message for the description. + * @property {{ text: string, range: number[] }} fix fix result info + */ + +/** + * @typedef {Object} Processor + * @property {(text:string, filename:string) => Array} [preprocess] The function to extract code blocks. + * @property {(messagesList:LintMessage[][], filename:string) => LintMessage[]} [postprocess] The function to merge messages. + * @property {boolean} [supportsAutofix] If `true` then it means the processor supports autofix. + */ + +/** + * @typedef {Object} RuleMetaDocs + * @property {string} category The category of the rule. + * @property {string} description The description of the rule. + * @property {boolean} recommended If `true` then the rule is included in `eslint:recommended` preset. + * @property {string} url The URL of the rule documentation. + */ + +/** + * @typedef {Object} RuleMeta + * @property {boolean} [deprecated] If `true` then the rule has been deprecated. + * @property {RuleMetaDocs} docs The document information of the rule. + * @property {"code"|"whitespace"} [fixable] The autofix type. + * @property {Record} [messages] The messages the rule reports. + * @property {string[]} [replacedBy] The IDs of the alternative rules. + * @property {Array|Object} schema The option schema of the rule. + * @property {"problem"|"suggestion"|"layout"} type The rule type. + */ + +/** + * @typedef {Object} Rule + * @property {Function} create The factory of the rule. + * @property {RuleMeta} meta The meta data of the rule. + */ + +/** + * @typedef {Object} Plugin + * @property {Record} [configs] The definition of plugin configs. + * @property {Record} [environments] The definition of plugin environments. + * @property {Record} [processors] The definition of plugin processors. + * @property {Record} [rules] The definition of plugin rules. + */ + +/** + * Information of deprecated rules. + * @typedef {Object} DeprecatedRuleInfo + * @property {string} ruleId The rule ID. + * @property {string[]} replacedBy The rule IDs that replace this deprecated rule. + */ diff --git a/module/node_modules/@eslint/eslintrc/lib/types/index.d.ts b/module/node_modules/@eslint/eslintrc/lib/types/index.d.ts new file mode 100644 index 000000000..258d3a5f0 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/lib/types/index.d.ts @@ -0,0 +1,76 @@ +/** + * @fileoverview This file contains the core types for ESLint. It was initially extracted + * from the `@types/eslint__eslintrc` package. + */ + +/* + * MIT License + * Copyright (c) Microsoft Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE + */ + +import type { Linter } from "eslint"; + +/** + * A compatibility class for working with configs. + */ +export class FlatCompat { + constructor({ + baseDirectory, + resolvePluginsRelativeTo, + recommendedConfig, + allConfig, + }?: { + /** + * default: process.cwd() + */ + baseDirectory?: string; + resolvePluginsRelativeTo?: string; + recommendedConfig?: Linter.LegacyConfig; + allConfig?: Linter.LegacyConfig; + }); + + /** + * Translates an ESLintRC-style config into a flag-config-style config. + * @param eslintrcConfig The ESLintRC-style config object. + * @returns A flag-config-style config object. + */ + config(eslintrcConfig: Linter.LegacyConfig): Linter.Config[]; + + /** + * Translates the `env` section of an ESLintRC-style config. + * @param envConfig The `env` section of an ESLintRC config. + * @returns An array of flag-config objects representing the environments. + */ + env(envConfig: { [name: string]: boolean }): Linter.Config[]; + + /** + * Translates the `extends` section of an ESLintRC-style config. + * @param configsToExtend The names of the configs to load. + * @returns An array of flag-config objects representing the config. + */ + extends(...configsToExtend: string[]): Linter.Config[]; + + /** + * Translates the `plugins` section of an ESLintRC-style config. + * @param plugins The names of the plugins to load. + * @returns An array of flag-config objects representing the plugins. + */ + plugins(...plugins: string[]): Linter.Config[]; +} diff --git a/module/node_modules/@eslint/eslintrc/package.json b/module/node_modules/@eslint/eslintrc/package.json new file mode 100644 index 000000000..030d3fc71 --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/package.json @@ -0,0 +1,78 @@ +{ + "name": "@eslint/eslintrc", + "version": "3.3.3", + "description": "The legacy ESLintRC config file format for ESLint", + "type": "module", + "main": "./dist/eslintrc.cjs", + "types": "./dist/eslintrc.d.cts", + "exports": { + ".": { + "import": "./lib/index.js", + "require": "./dist/eslintrc.cjs", + "types": "./lib/types/index.d.ts" + }, + "./package.json": "./package.json", + "./universal": { + "import": "./lib/index-universal.js", + "require": "./dist/eslintrc-universal.cjs" + } + }, + "files": [ + "lib", + "conf", + "LICENSE", + "dist", + "universal.js" + ], + "publishConfig": { + "access": "public" + }, + "scripts": { + "build": "rollup -c && node -e \"fs.copyFileSync('./lib/types/index.d.ts', './dist/eslintrc.d.cts')\"", + "lint": "eslint . --report-unused-disable-directives", + "lint:fix": "npm run lint -- --fix", + "prepare": "npm run build", + "test": "mocha -R progress -c 'tests/lib/*.cjs' && c8 mocha -R progress -c 'tests/lib/**/*.js'", + "test:types": "tsc -p tests/lib/types/tsconfig.json" + }, + "repository": "eslint/eslintrc", + "funding": "https://opencollective.com/eslint", + "keywords": [ + "ESLint", + "ESLintRC", + "Configuration" + ], + "author": "Nicholas C. Zakas", + "license": "MIT", + "bugs": { + "url": "https://github.com/eslint/eslintrc/issues" + }, + "homepage": "https://github.com/eslint/eslintrc#readme", + "devDependencies": { + "c8": "^7.7.3", + "chai": "^4.3.4", + "eslint": "^9.20.1", + "eslint-config-eslint": "^11.0.0", + "fs-teardown": "^0.1.3", + "mocha": "^9.0.3", + "rollup": "^2.70.1", + "shelljs": "^0.8.5", + "sinon": "^11.1.2", + "temp-dir": "^2.0.0", + "typescript": "^5.7.3" + }, + "dependencies": { + "ajv": "^6.12.4", + "debug": "^4.3.2", + "espree": "^10.0.1", + "globals": "^14.0.0", + "ignore": "^5.2.0", + "import-fresh": "^3.2.1", + "js-yaml": "^4.1.1", + "minimatch": "^3.1.2", + "strip-json-comments": "^3.1.1" + }, + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + } +} diff --git a/module/node_modules/@eslint/eslintrc/universal.js b/module/node_modules/@eslint/eslintrc/universal.js new file mode 100644 index 000000000..2257383ea --- /dev/null +++ b/module/node_modules/@eslint/eslintrc/universal.js @@ -0,0 +1,10 @@ +/* global module, require -- required for CJS file */ + +// Jest (and probably some other runtimes with custom implementations of +// `require`) doesn't support `exports` in `package.json`, so this file is here +// to help them load this module. Note that it is also `.js` and not `.cjs` for +// the same reason - `cjs` files requires to be loaded with an extension, but +// since Jest doesn't respect `module` outside of ESM mode it still works in +// this case (and the `require` in _this_ file does specify the extension). + +module.exports = require("./dist/eslintrc-universal.cjs"); diff --git a/module/node_modules/@eslint/js/LICENSE b/module/node_modules/@eslint/js/LICENSE new file mode 100644 index 000000000..b607bb36e --- /dev/null +++ b/module/node_modules/@eslint/js/LICENSE @@ -0,0 +1,19 @@ +Copyright OpenJS Foundation and other contributors, + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/module/node_modules/@eslint/js/README.md b/module/node_modules/@eslint/js/README.md new file mode 100644 index 000000000..eae3d22e0 --- /dev/null +++ b/module/node_modules/@eslint/js/README.md @@ -0,0 +1,103 @@ +[![npm version](https://img.shields.io/npm/v/@eslint/js.svg)](https://www.npmjs.com/package/@eslint/js) +[![Downloads](https://img.shields.io/npm/dm/@eslint/js.svg)](https://www.npmjs.com/package/@eslint/js) +[![Build Status](https://github.com/eslint/eslint/workflows/CI/badge.svg)](https://github.com/eslint/eslint/actions) +
+[![Open Collective Backers](https://img.shields.io/opencollective/backers/eslint)](https://opencollective.com/eslint) +[![Open Collective Sponsors](https://img.shields.io/opencollective/sponsors/eslint)](https://opencollective.com/eslint) + +# ESLint JavaScript Plugin + +[Website](https://eslint.org) | +[Configure ESLint](https://eslint.org/docs/latest/use/configure) | +[Rules](https://eslint.org/docs/rules/) | +[Contribute to ESLint](https://eslint.org/docs/latest/contribute) | +[Report Bugs](https://eslint.org/docs/latest/contribute/report-bugs) | +[Code of Conduct](https://eslint.org/conduct) | +[X](https://x.com/geteslint) | +[Discord](https://eslint.org/chat) | +[Mastodon](https://fosstodon.org/@eslint) | +[Bluesky](https://bsky.app/profile/eslint.org) + +The beginnings of separating out JavaScript-specific functionality from ESLint. + +Right now, this plugin contains two configurations: + +- `recommended` - enables the rules recommended by the ESLint team (the replacement for `"eslint:recommended"`) +- `all` - enables all ESLint rules (the replacement for `"eslint:all"`) + +## Installation + +You can install ESLint using npm or other package managers: + +```shell +npm install eslint -D +# or +yarn add eslint -D +# or +pnpm install eslint -D +# or +bun add eslint -D +``` + +Then install this plugin: + +```shell +npm install @eslint/js -D +# or +yarn add @eslint/js -D +# or +pnpm install @eslint/js -D +# or +bun add @eslint/js -D +``` + +## Usage + +Use in your `eslint.config.js` file anytime you want to extend one of the configs: + +```js +import { defineConfig } from "eslint/config"; +import js from "@eslint/js"; + +export default defineConfig([ + // apply recommended rules to JS files + { + name: "your-project/recommended-rules", + files: ["**/*.js"], + plugins: { + js, + }, + extends: ["js/recommended"], + }, + + // apply recommended rules to JS files with an override + { + name: "your-project/recommended-rules-with-override", + files: ["**/*.js"], + plugins: { + js, + }, + extends: ["js/recommended"], + rules: { + "no-unused-vars": "warn", + }, + }, + + // apply all rules to JS files + { + name: "your-project/all-rules", + files: ["**/*.js"], + plugins: { + js, + }, + extends: ["js/all"], + rules: { + "no-unused-vars": "warn", + }, + }, +]); +``` + +## License + +MIT diff --git a/module/node_modules/@eslint/js/package.json b/module/node_modules/@eslint/js/package.json new file mode 100644 index 000000000..3d7b130c9 --- /dev/null +++ b/module/node_modules/@eslint/js/package.json @@ -0,0 +1,36 @@ +{ + "name": "@eslint/js", + "version": "9.39.2", + "description": "ESLint JavaScript language implementation", + "funding": "https://eslint.org/donate", + "main": "./src/index.js", + "types": "./types/index.d.ts", + "scripts": { + "test:types": "tsc -p tests/types/tsconfig.json" + }, + "files": [ + "LICENSE", + "README.md", + "src", + "types" + ], + "publishConfig": { + "access": "public" + }, + "repository": { + "type": "git", + "url": "https://github.com/eslint/eslint.git", + "directory": "packages/js" + }, + "homepage": "https://eslint.org", + "bugs": "https://github.com/eslint/eslint/issues/", + "keywords": [ + "javascript", + "eslint-plugin", + "eslint" + ], + "license": "MIT", + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + } +} diff --git a/module/node_modules/@eslint/js/src/configs/eslint-all.js b/module/node_modules/@eslint/js/src/configs/eslint-all.js new file mode 100644 index 000000000..248950d98 --- /dev/null +++ b/module/node_modules/@eslint/js/src/configs/eslint-all.js @@ -0,0 +1,217 @@ +/* + * WARNING: This file is autogenerated using the tools/update-eslint-all.js + * script. Do not edit manually. + */ +"use strict"; + +/* + * IMPORTANT! + * + * We cannot add a "name" property to this object because it's still used in eslintrc + * which doesn't support the "name" property. If we add a "name" property, it will + * cause an error. + */ + +module.exports = Object.freeze({ + rules: Object.freeze({ + "accessor-pairs": "error", + "array-callback-return": "error", + "arrow-body-style": "error", + "block-scoped-var": "error", + "camelcase": "error", + "capitalized-comments": "error", + "class-methods-use-this": "error", + "complexity": "error", + "consistent-return": "error", + "consistent-this": "error", + "constructor-super": "error", + "curly": "error", + "default-case": "error", + "default-case-last": "error", + "default-param-last": "error", + "dot-notation": "error", + "eqeqeq": "error", + "for-direction": "error", + "func-name-matching": "error", + "func-names": "error", + "func-style": "error", + "getter-return": "error", + "grouped-accessor-pairs": "error", + "guard-for-in": "error", + "id-denylist": "error", + "id-length": "error", + "id-match": "error", + "init-declarations": "error", + "logical-assignment-operators": "error", + "max-classes-per-file": "error", + "max-depth": "error", + "max-lines": "error", + "max-lines-per-function": "error", + "max-nested-callbacks": "error", + "max-params": "error", + "max-statements": "error", + "new-cap": "error", + "no-alert": "error", + "no-array-constructor": "error", + "no-async-promise-executor": "error", + "no-await-in-loop": "error", + "no-bitwise": "error", + "no-caller": "error", + "no-case-declarations": "error", + "no-class-assign": "error", + "no-compare-neg-zero": "error", + "no-cond-assign": "error", + "no-console": "error", + "no-const-assign": "error", + "no-constant-binary-expression": "error", + "no-constant-condition": "error", + "no-constructor-return": "error", + "no-continue": "error", + "no-control-regex": "error", + "no-debugger": "error", + "no-delete-var": "error", + "no-div-regex": "error", + "no-dupe-args": "error", + "no-dupe-class-members": "error", + "no-dupe-else-if": "error", + "no-dupe-keys": "error", + "no-duplicate-case": "error", + "no-duplicate-imports": "error", + "no-else-return": "error", + "no-empty": "error", + "no-empty-character-class": "error", + "no-empty-function": "error", + "no-empty-pattern": "error", + "no-empty-static-block": "error", + "no-eq-null": "error", + "no-eval": "error", + "no-ex-assign": "error", + "no-extend-native": "error", + "no-extra-bind": "error", + "no-extra-boolean-cast": "error", + "no-extra-label": "error", + "no-fallthrough": "error", + "no-func-assign": "error", + "no-global-assign": "error", + "no-implicit-coercion": "error", + "no-implicit-globals": "error", + "no-implied-eval": "error", + "no-import-assign": "error", + "no-inline-comments": "error", + "no-inner-declarations": "error", + "no-invalid-regexp": "error", + "no-invalid-this": "error", + "no-irregular-whitespace": "error", + "no-iterator": "error", + "no-label-var": "error", + "no-labels": "error", + "no-lone-blocks": "error", + "no-lonely-if": "error", + "no-loop-func": "error", + "no-loss-of-precision": "error", + "no-magic-numbers": "error", + "no-misleading-character-class": "error", + "no-multi-assign": "error", + "no-multi-str": "error", + "no-negated-condition": "error", + "no-nested-ternary": "error", + "no-new": "error", + "no-new-func": "error", + "no-new-native-nonconstructor": "error", + "no-new-wrappers": "error", + "no-nonoctal-decimal-escape": "error", + "no-obj-calls": "error", + "no-object-constructor": "error", + "no-octal": "error", + "no-octal-escape": "error", + "no-param-reassign": "error", + "no-plusplus": "error", + "no-promise-executor-return": "error", + "no-proto": "error", + "no-prototype-builtins": "error", + "no-redeclare": "error", + "no-regex-spaces": "error", + "no-restricted-exports": "error", + "no-restricted-globals": "error", + "no-restricted-imports": "error", + "no-restricted-properties": "error", + "no-restricted-syntax": "error", + "no-return-assign": "error", + "no-script-url": "error", + "no-self-assign": "error", + "no-self-compare": "error", + "no-sequences": "error", + "no-setter-return": "error", + "no-shadow": "error", + "no-shadow-restricted-names": "error", + "no-sparse-arrays": "error", + "no-template-curly-in-string": "error", + "no-ternary": "error", + "no-this-before-super": "error", + "no-throw-literal": "error", + "no-unassigned-vars": "error", + "no-undef": "error", + "no-undef-init": "error", + "no-undefined": "error", + "no-underscore-dangle": "error", + "no-unexpected-multiline": "error", + "no-unmodified-loop-condition": "error", + "no-unneeded-ternary": "error", + "no-unreachable": "error", + "no-unreachable-loop": "error", + "no-unsafe-finally": "error", + "no-unsafe-negation": "error", + "no-unsafe-optional-chaining": "error", + "no-unused-expressions": "error", + "no-unused-labels": "error", + "no-unused-private-class-members": "error", + "no-unused-vars": "error", + "no-use-before-define": "error", + "no-useless-assignment": "error", + "no-useless-backreference": "error", + "no-useless-call": "error", + "no-useless-catch": "error", + "no-useless-computed-key": "error", + "no-useless-concat": "error", + "no-useless-constructor": "error", + "no-useless-escape": "error", + "no-useless-rename": "error", + "no-useless-return": "error", + "no-var": "error", + "no-void": "error", + "no-warning-comments": "error", + "no-with": "error", + "object-shorthand": "error", + "one-var": "error", + "operator-assignment": "error", + "prefer-arrow-callback": "error", + "prefer-const": "error", + "prefer-destructuring": "error", + "prefer-exponentiation-operator": "error", + "prefer-named-capture-group": "error", + "prefer-numeric-literals": "error", + "prefer-object-has-own": "error", + "prefer-object-spread": "error", + "prefer-promise-reject-errors": "error", + "prefer-regex-literals": "error", + "prefer-rest-params": "error", + "prefer-spread": "error", + "prefer-template": "error", + "preserve-caught-error": "error", + "radix": "error", + "require-atomic-updates": "error", + "require-await": "error", + "require-unicode-regexp": "error", + "require-yield": "error", + "sort-imports": "error", + "sort-keys": "error", + "sort-vars": "error", + "strict": "error", + "symbol-description": "error", + "unicode-bom": "error", + "use-isnan": "error", + "valid-typeof": "error", + "vars-on-top": "error", + "yoda": "error" + }) +}); diff --git a/module/node_modules/@eslint/js/src/configs/eslint-recommended.js b/module/node_modules/@eslint/js/src/configs/eslint-recommended.js new file mode 100644 index 000000000..9ff6a398f --- /dev/null +++ b/module/node_modules/@eslint/js/src/configs/eslint-recommended.js @@ -0,0 +1,79 @@ +/* + * WARNING: This file is autogenerated using the tools/update-eslint-recommended.js + * script. Do not edit manually. + */ +"use strict"; + +/* + * IMPORTANT! + * + * We cannot add a "name" property to this object because it's still used in eslintrc + * which doesn't support the "name" property. If we add a "name" property, it will + * cause an error. + */ + +module.exports = Object.freeze({ + rules: Object.freeze({ + "constructor-super": "error", + "for-direction": "error", + "getter-return": "error", + "no-async-promise-executor": "error", + "no-case-declarations": "error", + "no-class-assign": "error", + "no-compare-neg-zero": "error", + "no-cond-assign": "error", + "no-const-assign": "error", + "no-constant-binary-expression": "error", + "no-constant-condition": "error", + "no-control-regex": "error", + "no-debugger": "error", + "no-delete-var": "error", + "no-dupe-args": "error", + "no-dupe-class-members": "error", + "no-dupe-else-if": "error", + "no-dupe-keys": "error", + "no-duplicate-case": "error", + "no-empty": "error", + "no-empty-character-class": "error", + "no-empty-pattern": "error", + "no-empty-static-block": "error", + "no-ex-assign": "error", + "no-extra-boolean-cast": "error", + "no-fallthrough": "error", + "no-func-assign": "error", + "no-global-assign": "error", + "no-import-assign": "error", + "no-invalid-regexp": "error", + "no-irregular-whitespace": "error", + "no-loss-of-precision": "error", + "no-misleading-character-class": "error", + "no-new-native-nonconstructor": "error", + "no-nonoctal-decimal-escape": "error", + "no-obj-calls": "error", + "no-octal": "error", + "no-prototype-builtins": "error", + "no-redeclare": "error", + "no-regex-spaces": "error", + "no-self-assign": "error", + "no-setter-return": "error", + "no-shadow-restricted-names": "error", + "no-sparse-arrays": "error", + "no-this-before-super": "error", + "no-undef": "error", + "no-unexpected-multiline": "error", + "no-unreachable": "error", + "no-unsafe-finally": "error", + "no-unsafe-negation": "error", + "no-unsafe-optional-chaining": "error", + "no-unused-labels": "error", + "no-unused-private-class-members": "error", + "no-unused-vars": "error", + "no-useless-backreference": "error", + "no-useless-catch": "error", + "no-useless-escape": "error", + "no-with": "error", + "require-yield": "error", + "use-isnan": "error", + "valid-typeof": "error" + }), +}); diff --git a/module/node_modules/@eslint/js/src/index.js b/module/node_modules/@eslint/js/src/index.js new file mode 100644 index 000000000..ff6a21d87 --- /dev/null +++ b/module/node_modules/@eslint/js/src/index.js @@ -0,0 +1,23 @@ +/** + * @fileoverview Main package entrypoint. + * @author Nicholas C. Zakas + */ + +"use strict"; + +const { name, version } = require("../package.json"); + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = { + meta: { + name, + version, + }, + configs: { + all: require("./configs/eslint-all"), + recommended: require("./configs/eslint-recommended"), + }, +}; diff --git a/module/node_modules/@eslint/js/types/index.d.ts b/module/node_modules/@eslint/js/types/index.d.ts new file mode 100644 index 000000000..d4921d8bf --- /dev/null +++ b/module/node_modules/@eslint/js/types/index.d.ts @@ -0,0 +1,14 @@ +import type { Linter } from "eslint"; + +declare const js: { + readonly meta: { + readonly name: string; + readonly version: string; + }; + readonly configs: { + readonly recommended: { readonly rules: Readonly }; + readonly all: { readonly rules: Readonly }; + }; +}; + +export = js; diff --git a/module/node_modules/@eslint/object-schema/LICENSE b/module/node_modules/@eslint/object-schema/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/module/node_modules/@eslint/object-schema/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/module/node_modules/@eslint/object-schema/README.md b/module/node_modules/@eslint/object-schema/README.md new file mode 100644 index 000000000..edf6eb867 --- /dev/null +++ b/module/node_modules/@eslint/object-schema/README.md @@ -0,0 +1,242 @@ +# ObjectSchema Package + +## Overview + +A JavaScript object merge/validation utility where you can define a different merge and validation strategy for each key. This is helpful when you need to validate complex data structures and then merge them in a way that is more complex than `Object.assign()`. This is used in the [`@eslint/config-array`](https://npmjs.com/package/@eslint/config-array) package but can also be used on its own. + +## Installation + +For Node.js and compatible runtimes: + +```shell +npm install @eslint/object-schema +# or +yarn add @eslint/object-schema +# or +pnpm install @eslint/object-schema +# or +bun add @eslint/object-schema +``` + +For Deno: + +```shell +deno add @eslint/object-schema +``` + +## Usage + +Import the `ObjectSchema` constructor: + +```js +// using ESM +import { ObjectSchema } from "@eslint/object-schema"; + +// using CommonJS +const { ObjectSchema } = require("@eslint/object-schema"); + +const schema = new ObjectSchema({ + // define a definition for the "downloads" key + downloads: { + required: true, + merge(value1, value2) { + return value1 + value2; + }, + validate(value) { + if (typeof value !== "number") { + throw new Error("Expected downloads to be a number."); + } + }, + }, + + // define a strategy for the "versions" key + version: { + required: true, + merge(value1, value2) { + return value1.concat(value2); + }, + validate(value) { + if (!Array.isArray(value)) { + throw new Error("Expected versions to be an array."); + } + }, + }, +}); + +const record1 = { + downloads: 25, + versions: ["v1.0.0", "v1.1.0", "v1.2.0"], +}; + +const record2 = { + downloads: 125, + versions: ["v2.0.0", "v2.1.0", "v3.0.0"], +}; + +// make sure the records are valid +schema.validate(record1); +schema.validate(record2); + +// merge together (schema.merge() accepts any number of objects) +const result = schema.merge(record1, record2); + +// result looks like this: + +const result = { + downloads: 75, + versions: ["v1.0.0", "v1.1.0", "v1.2.0", "v2.0.0", "v2.1.0", "v3.0.0"], +}; +``` + +## Tips and Tricks + +### Named merge strategies + +Instead of specifying a `merge()` method, you can specify one of the following strings to use a default merge strategy: + +- `"assign"` - use `Object.assign()` to merge the two values into one object. +- `"overwrite"` - the second value always replaces the first. +- `"replace"` - the second value replaces the first if the second is not `undefined`. + +For example: + +```js +const schema = new ObjectSchema({ + name: { + merge: "replace", + validate() {}, + }, +}); +``` + +### Named validation strategies + +Instead of specifying a `validate()` method, you can specify one of the following strings to use a default validation strategy: + +- `"array"` - value must be an array. +- `"boolean"` - value must be a boolean. +- `"number"` - value must be a number. +- `"object"` - value must be an object. +- `"object?"` - value must be an object or null. +- `"string"` - value must be a string. +- `"string!"` - value must be a non-empty string. + +For example: + +```js +const schema = new ObjectSchema({ + name: { + merge: "replace", + validate: "string", + }, +}); +``` + +### Subschemas + +If you are defining a key that is, itself, an object, you can simplify the process by using a subschema. Instead of defining `merge()` and `validate()`, assign a `schema` key that contains a schema definition, like this: + +```js +const schema = new ObjectSchema({ + name: { + schema: { + first: { + merge: "replace", + validate: "string", + }, + last: { + merge: "replace", + validate: "string", + }, + }, + }, +}); + +schema.validate({ + name: { + first: "n", + last: "z", + }, +}); +``` + +### Remove Keys During Merge + +If the merge strategy for a key returns `undefined`, then the key will not appear in the final object. For example: + +```js +const schema = new ObjectSchema({ + date: { + merge() { + return undefined; + }, + validate(value) { + Date.parse(value); // throws an error when invalid + }, + }, +}); + +const object1 = { date: "5/5/2005" }; +const object2 = { date: "6/6/2006" }; + +const result = schema.merge(object1, object2); + +console.log("date" in result); // false +``` + +### Requiring Another Key Be Present + +If you'd like the presence of one key to require the presence of another key, you can use the `requires` property to specify an array of other properties that any key requires. For example: + +```js +const schema = new ObjectSchema(); + +const schema = new ObjectSchema({ + date: { + merge() { + return undefined; + }, + validate(value) { + Date.parse(value); // throws an error when invalid + }, + }, + time: { + requires: ["date"], + merge(first, second) { + return second; + }, + validate(value) { + // ... + }, + }, +}); + +// throws error: Key "time" requires keys "date" +schema.validate({ + time: "13:45", +}); +``` + +In this example, even though `date` is an optional key, it is required to be present whenever `time` is present. + +## License + +Apache 2.0 + + + + +## Sponsors + +The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. [Become a Sponsor](https://eslint.org/donate) +to get your logo on our READMEs and [website](https://eslint.org/sponsors). + +

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+ diff --git a/module/node_modules/@eslint/object-schema/dist/cjs/index.cjs b/module/node_modules/@eslint/object-schema/dist/cjs/index.cjs new file mode 100644 index 000000000..3f33e7960 --- /dev/null +++ b/module/node_modules/@eslint/object-schema/dist/cjs/index.cjs @@ -0,0 +1,457 @@ +'use strict'; + +/** + * @fileoverview Merge Strategy + */ + +//----------------------------------------------------------------------------- +// Class +//----------------------------------------------------------------------------- + +/** + * Container class for several different merge strategies. + */ +class MergeStrategy { + /** + * Merges two keys by overwriting the first with the second. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} The second value. + */ + static overwrite(value1, value2) { + return value2; + } + + /** + * Merges two keys by replacing the first with the second only if the + * second is defined. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} The second value if it is defined. + */ + static replace(value1, value2) { + if (typeof value2 !== "undefined") { + return value2; + } + + return value1; + } + + /** + * Merges two properties by assigning properties from the second to the first. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} A new object containing properties from both value1 and + * value2. + */ + static assign(value1, value2) { + return Object.assign({}, value1, value2); + } +} + +/** + * @fileoverview Validation Strategy + */ + +//----------------------------------------------------------------------------- +// Class +//----------------------------------------------------------------------------- + +/** + * Container class for several different validation strategies. + */ +class ValidationStrategy { + /** + * Validates that a value is an array. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static array(value) { + if (!Array.isArray(value)) { + throw new TypeError("Expected an array."); + } + } + + /** + * Validates that a value is a boolean. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static boolean(value) { + if (typeof value !== "boolean") { + throw new TypeError("Expected a Boolean."); + } + } + + /** + * Validates that a value is a number. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static number(value) { + if (typeof value !== "number") { + throw new TypeError("Expected a number."); + } + } + + /** + * Validates that a value is a object. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static object(value) { + if (!value || typeof value !== "object") { + throw new TypeError("Expected an object."); + } + } + + /** + * Validates that a value is a object or null. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static "object?"(value) { + if (typeof value !== "object") { + throw new TypeError("Expected an object or null."); + } + } + + /** + * Validates that a value is a string. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static string(value) { + if (typeof value !== "string") { + throw new TypeError("Expected a string."); + } + } + + /** + * Validates that a value is a non-empty string. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static "string!"(value) { + if (typeof value !== "string" || value.length === 0) { + throw new TypeError("Expected a non-empty string."); + } + } +} + +/** + * @fileoverview Object Schema + */ + + +//----------------------------------------------------------------------------- +// Types +//----------------------------------------------------------------------------- + +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.ObjectDefinition} ObjectDefinition */ +/** @typedef {$typests.PropertyDefinition} PropertyDefinition */ + +//----------------------------------------------------------------------------- +// Private +//----------------------------------------------------------------------------- + +/** + * Validates a schema strategy. + * @param {string} name The name of the key this strategy is for. + * @param {PropertyDefinition} definition The strategy for the object key. + * @returns {void} + * @throws {TypeError} When the strategy is missing a name. + * @throws {TypeError} When the strategy is missing a merge() method. + * @throws {TypeError} When the strategy is missing a validate() method. + */ +function validateDefinition(name, definition) { + let hasSchema = false; + if (definition.schema) { + if (typeof definition.schema === "object") { + hasSchema = true; + } else { + throw new TypeError("Schema must be an object."); + } + } + + if (typeof definition.merge === "string") { + if (!(definition.merge in MergeStrategy)) { + throw new TypeError( + `Definition for key "${name}" missing valid merge strategy.`, + ); + } + } else if (!hasSchema && typeof definition.merge !== "function") { + throw new TypeError( + `Definition for key "${name}" must have a merge property.`, + ); + } + + if (typeof definition.validate === "string") { + if (!(definition.validate in ValidationStrategy)) { + throw new TypeError( + `Definition for key "${name}" missing valid validation strategy.`, + ); + } + } else if (!hasSchema && typeof definition.validate !== "function") { + throw new TypeError( + `Definition for key "${name}" must have a validate() method.`, + ); + } +} + +//----------------------------------------------------------------------------- +// Errors +//----------------------------------------------------------------------------- + +/** + * Error when an unexpected key is found. + */ +class UnexpectedKeyError extends Error { + /** + * Creates a new instance. + * @param {string} key The key that was unexpected. + */ + constructor(key) { + super(`Unexpected key "${key}" found.`); + } +} + +/** + * Error when a required key is missing. + */ +class MissingKeyError extends Error { + /** + * Creates a new instance. + * @param {string} key The key that was missing. + */ + constructor(key) { + super(`Missing required key "${key}".`); + } +} + +/** + * Error when a key requires other keys that are missing. + */ +class MissingDependentKeysError extends Error { + /** + * Creates a new instance. + * @param {string} key The key that was unexpected. + * @param {Array} requiredKeys The keys that are required. + */ + constructor(key, requiredKeys) { + super(`Key "${key}" requires keys "${requiredKeys.join('", "')}".`); + } +} + +/** + * Wrapper error for errors occuring during a merge or validate operation. + */ +class WrapperError extends Error { + /** + * Creates a new instance. + * @param {string} key The object key causing the error. + * @param {Error} source The source error. + */ + constructor(key, source) { + super(`Key "${key}": ${source.message}`, { cause: source }); + + // copy over custom properties that aren't represented + for (const sourceKey of Object.keys(source)) { + if (!(sourceKey in this)) { + this[sourceKey] = source[sourceKey]; + } + } + } +} + +//----------------------------------------------------------------------------- +// Main +//----------------------------------------------------------------------------- + +/** + * Represents an object validation/merging schema. + */ +class ObjectSchema { + /** + * Track all definitions in the schema by key. + * @type {Map} + */ + #definitions = new Map(); + + /** + * Separately track any keys that are required for faster validtion. + * @type {Map} + */ + #requiredKeys = new Map(); + + /** + * Creates a new instance. + * @param {ObjectDefinition} definitions The schema definitions. + * @throws {Error} When the definitions are missing or invalid. + */ + constructor(definitions) { + if (!definitions) { + throw new Error("Schema definitions missing."); + } + + // add in all strategies + for (const key of Object.keys(definitions)) { + validateDefinition(key, definitions[key]); + + // normalize merge and validate methods if subschema is present + if (typeof definitions[key].schema === "object") { + const schema = new ObjectSchema(definitions[key].schema); + definitions[key] = { + ...definitions[key], + merge(first = {}, second = {}) { + return schema.merge(first, second); + }, + validate(value) { + ValidationStrategy.object(value); + schema.validate(value); + }, + }; + } + + // normalize the merge method in case there's a string + if (typeof definitions[key].merge === "string") { + definitions[key] = { + ...definitions[key], + merge: MergeStrategy[ + /** @type {string} */ (definitions[key].merge) + ], + }; + } + + // normalize the validate method in case there's a string + if (typeof definitions[key].validate === "string") { + definitions[key] = { + ...definitions[key], + validate: + ValidationStrategy[ + /** @type {string} */ (definitions[key].validate) + ], + }; + } + + this.#definitions.set(key, definitions[key]); + + if (definitions[key].required) { + this.#requiredKeys.set(key, definitions[key]); + } + } + } + + /** + * Determines if a strategy has been registered for the given object key. + * @param {string} key The object key to find a strategy for. + * @returns {boolean} True if the key has a strategy registered, false if not. + */ + hasKey(key) { + return this.#definitions.has(key); + } + + /** + * Merges objects together to create a new object comprised of the keys + * of the all objects. Keys are merged based on the each key's merge + * strategy. + * @param {...Object} objects The objects to merge. + * @returns {Object} A new object with a mix of all objects' keys. + * @throws {TypeError} If any object is invalid. + */ + merge(...objects) { + // double check arguments + if (objects.length < 2) { + throw new TypeError("merge() requires at least two arguments."); + } + + if ( + objects.some( + object => object === null || typeof object !== "object", + ) + ) { + throw new TypeError("All arguments must be objects."); + } + + return objects.reduce((result, object) => { + this.validate(object); + + for (const [key, strategy] of this.#definitions) { + try { + if (key in result || key in object) { + const merge = /** @type {Function} */ (strategy.merge); + const value = merge.call( + this, + result[key], + object[key], + ); + if (value !== undefined) { + result[key] = value; + } + } + } catch (ex) { + throw new WrapperError(key, ex); + } + } + return result; + }, {}); + } + + /** + * Validates an object's keys based on the validate strategy for each key. + * @param {Object} object The object to validate. + * @returns {void} + * @throws {Error} When the object is invalid. + */ + validate(object) { + // check existing keys first + for (const key of Object.keys(object)) { + // check to see if the key is defined + if (!this.hasKey(key)) { + throw new UnexpectedKeyError(key); + } + + // validate existing keys + const definition = this.#definitions.get(key); + + // first check to see if any other keys are required + if (Array.isArray(definition.requires)) { + if ( + !definition.requires.every(otherKey => otherKey in object) + ) { + throw new MissingDependentKeysError( + key, + definition.requires, + ); + } + } + + // now apply remaining validation strategy + try { + const validate = /** @type {Function} */ (definition.validate); + validate.call(definition, object[key]); + } catch (ex) { + throw new WrapperError(key, ex); + } + } + + // ensure required keys aren't missing + for (const [key] of this.#requiredKeys) { + if (!(key in object)) { + throw new MissingKeyError(key); + } + } + } +} + +exports.MergeStrategy = MergeStrategy; +exports.ObjectSchema = ObjectSchema; +exports.ValidationStrategy = ValidationStrategy; diff --git a/module/node_modules/@eslint/object-schema/dist/cjs/index.d.cts b/module/node_modules/@eslint/object-schema/dist/cjs/index.d.cts new file mode 100644 index 000000000..13c97b876 --- /dev/null +++ b/module/node_modules/@eslint/object-schema/dist/cjs/index.d.cts @@ -0,0 +1,125 @@ +export type ObjectDefinition = $typests.ObjectDefinition; +export type PropertyDefinition = $typests.PropertyDefinition; +/** + * @fileoverview Merge Strategy + */ +/** + * Container class for several different merge strategies. + */ +export class MergeStrategy { + /** + * Merges two keys by overwriting the first with the second. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} The second value. + */ + static overwrite(value1: any, value2: any): any; + /** + * Merges two keys by replacing the first with the second only if the + * second is defined. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} The second value if it is defined. + */ + static replace(value1: any, value2: any): any; + /** + * Merges two properties by assigning properties from the second to the first. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} A new object containing properties from both value1 and + * value2. + */ + static assign(value1: any, value2: any): any; +} +/** + * Represents an object validation/merging schema. + */ +export class ObjectSchema { + /** + * Creates a new instance. + * @param {ObjectDefinition} definitions The schema definitions. + * @throws {Error} When the definitions are missing or invalid. + */ + constructor(definitions: ObjectDefinition); + /** + * Determines if a strategy has been registered for the given object key. + * @param {string} key The object key to find a strategy for. + * @returns {boolean} True if the key has a strategy registered, false if not. + */ + hasKey(key: string): boolean; + /** + * Merges objects together to create a new object comprised of the keys + * of the all objects. Keys are merged based on the each key's merge + * strategy. + * @param {...Object} objects The objects to merge. + * @returns {Object} A new object with a mix of all objects' keys. + * @throws {TypeError} If any object is invalid. + */ + merge(...objects: any[]): any; + /** + * Validates an object's keys based on the validate strategy for each key. + * @param {Object} object The object to validate. + * @returns {void} + * @throws {Error} When the object is invalid. + */ + validate(object: any): void; + #private; +} +/** + * @fileoverview Validation Strategy + */ +/** + * Container class for several different validation strategies. + */ +export class ValidationStrategy { + /** + * Validates that a value is an array. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static array(value: any): void; + /** + * Validates that a value is a boolean. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static boolean(value: any): void; + /** + * Validates that a value is a number. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static number(value: any): void; + /** + * Validates that a value is a object. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static object(value: any): void; + /** + * Validates that a value is a object or null. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static "object?"(value: any): void; + /** + * Validates that a value is a string. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static string(value: any): void; + /** + * Validates that a value is a non-empty string. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static "string!"(value: any): void; +} +import type * as $typests from "./types.cts"; diff --git a/module/node_modules/@eslint/object-schema/dist/cjs/types.cts b/module/node_modules/@eslint/object-schema/dist/cjs/types.cts new file mode 100644 index 000000000..c409a6ed4 --- /dev/null +++ b/module/node_modules/@eslint/object-schema/dist/cjs/types.cts @@ -0,0 +1,57 @@ +/** + * @fileoverview Types for object-schema package. + */ + +/** + * Built-in validation strategies. + */ +export type BuiltInValidationStrategy = + | "array" + | "boolean" + | "number" + | "object" + | "object?" + | "string" + | "string!"; + +/** + * Built-in merge strategies. + */ +export type BuiltInMergeStrategy = "assign" | "overwrite" | "replace"; + +/** + * Property definition. + */ +export interface PropertyDefinition { + /** + * Indicates if the property is required. + */ + required: boolean; + + /** + * The other properties that must be present when this property is used. + */ + requires?: string[]; + + /** + * The strategy to merge the property. + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any -- https://github.com/eslint/rewrite/pull/90#discussion_r1687206213 + merge: BuiltInMergeStrategy | ((target: any, source: any) => any); + + /** + * The strategy to validate the property. + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any -- https://github.com/eslint/rewrite/pull/90#discussion_r1687206213 + validate: BuiltInValidationStrategy | ((value: any) => void); + + /** + * The schema for the object value of this property. + */ + schema?: ObjectDefinition; +} + +/** + * Object definition. + */ +export type ObjectDefinition = Record; diff --git a/module/node_modules/@eslint/object-schema/dist/esm/index.d.ts b/module/node_modules/@eslint/object-schema/dist/esm/index.d.ts new file mode 100644 index 000000000..86c469ebe --- /dev/null +++ b/module/node_modules/@eslint/object-schema/dist/esm/index.d.ts @@ -0,0 +1,125 @@ +export type ObjectDefinition = $typests.ObjectDefinition; +export type PropertyDefinition = $typests.PropertyDefinition; +/** + * @fileoverview Merge Strategy + */ +/** + * Container class for several different merge strategies. + */ +export class MergeStrategy { + /** + * Merges two keys by overwriting the first with the second. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} The second value. + */ + static overwrite(value1: any, value2: any): any; + /** + * Merges two keys by replacing the first with the second only if the + * second is defined. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} The second value if it is defined. + */ + static replace(value1: any, value2: any): any; + /** + * Merges two properties by assigning properties from the second to the first. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} A new object containing properties from both value1 and + * value2. + */ + static assign(value1: any, value2: any): any; +} +/** + * Represents an object validation/merging schema. + */ +export class ObjectSchema { + /** + * Creates a new instance. + * @param {ObjectDefinition} definitions The schema definitions. + * @throws {Error} When the definitions are missing or invalid. + */ + constructor(definitions: ObjectDefinition); + /** + * Determines if a strategy has been registered for the given object key. + * @param {string} key The object key to find a strategy for. + * @returns {boolean} True if the key has a strategy registered, false if not. + */ + hasKey(key: string): boolean; + /** + * Merges objects together to create a new object comprised of the keys + * of the all objects. Keys are merged based on the each key's merge + * strategy. + * @param {...Object} objects The objects to merge. + * @returns {Object} A new object with a mix of all objects' keys. + * @throws {TypeError} If any object is invalid. + */ + merge(...objects: any[]): any; + /** + * Validates an object's keys based on the validate strategy for each key. + * @param {Object} object The object to validate. + * @returns {void} + * @throws {Error} When the object is invalid. + */ + validate(object: any): void; + #private; +} +/** + * @fileoverview Validation Strategy + */ +/** + * Container class for several different validation strategies. + */ +export class ValidationStrategy { + /** + * Validates that a value is an array. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static array(value: any): void; + /** + * Validates that a value is a boolean. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static boolean(value: any): void; + /** + * Validates that a value is a number. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static number(value: any): void; + /** + * Validates that a value is a object. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static object(value: any): void; + /** + * Validates that a value is a object or null. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static "object?"(value: any): void; + /** + * Validates that a value is a string. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static string(value: any): void; + /** + * Validates that a value is a non-empty string. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static "string!"(value: any): void; +} +import type * as $typests from "./types.ts"; diff --git a/module/node_modules/@eslint/object-schema/dist/esm/index.js b/module/node_modules/@eslint/object-schema/dist/esm/index.js new file mode 100644 index 000000000..381eaa48e --- /dev/null +++ b/module/node_modules/@eslint/object-schema/dist/esm/index.js @@ -0,0 +1,454 @@ +// @ts-self-types="./index.d.ts" +/** + * @fileoverview Merge Strategy + */ + +//----------------------------------------------------------------------------- +// Class +//----------------------------------------------------------------------------- + +/** + * Container class for several different merge strategies. + */ +class MergeStrategy { + /** + * Merges two keys by overwriting the first with the second. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} The second value. + */ + static overwrite(value1, value2) { + return value2; + } + + /** + * Merges two keys by replacing the first with the second only if the + * second is defined. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} The second value if it is defined. + */ + static replace(value1, value2) { + if (typeof value2 !== "undefined") { + return value2; + } + + return value1; + } + + /** + * Merges two properties by assigning properties from the second to the first. + * @param {*} value1 The value from the first object key. + * @param {*} value2 The value from the second object key. + * @returns {*} A new object containing properties from both value1 and + * value2. + */ + static assign(value1, value2) { + return Object.assign({}, value1, value2); + } +} + +/** + * @fileoverview Validation Strategy + */ + +//----------------------------------------------------------------------------- +// Class +//----------------------------------------------------------------------------- + +/** + * Container class for several different validation strategies. + */ +class ValidationStrategy { + /** + * Validates that a value is an array. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static array(value) { + if (!Array.isArray(value)) { + throw new TypeError("Expected an array."); + } + } + + /** + * Validates that a value is a boolean. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static boolean(value) { + if (typeof value !== "boolean") { + throw new TypeError("Expected a Boolean."); + } + } + + /** + * Validates that a value is a number. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static number(value) { + if (typeof value !== "number") { + throw new TypeError("Expected a number."); + } + } + + /** + * Validates that a value is a object. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static object(value) { + if (!value || typeof value !== "object") { + throw new TypeError("Expected an object."); + } + } + + /** + * Validates that a value is a object or null. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static "object?"(value) { + if (typeof value !== "object") { + throw new TypeError("Expected an object or null."); + } + } + + /** + * Validates that a value is a string. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static string(value) { + if (typeof value !== "string") { + throw new TypeError("Expected a string."); + } + } + + /** + * Validates that a value is a non-empty string. + * @param {*} value The value to validate. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ + static "string!"(value) { + if (typeof value !== "string" || value.length === 0) { + throw new TypeError("Expected a non-empty string."); + } + } +} + +/** + * @fileoverview Object Schema + */ + + +//----------------------------------------------------------------------------- +// Types +//----------------------------------------------------------------------------- + +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.ObjectDefinition} ObjectDefinition */ +/** @typedef {$typests.PropertyDefinition} PropertyDefinition */ + +//----------------------------------------------------------------------------- +// Private +//----------------------------------------------------------------------------- + +/** + * Validates a schema strategy. + * @param {string} name The name of the key this strategy is for. + * @param {PropertyDefinition} definition The strategy for the object key. + * @returns {void} + * @throws {TypeError} When the strategy is missing a name. + * @throws {TypeError} When the strategy is missing a merge() method. + * @throws {TypeError} When the strategy is missing a validate() method. + */ +function validateDefinition(name, definition) { + let hasSchema = false; + if (definition.schema) { + if (typeof definition.schema === "object") { + hasSchema = true; + } else { + throw new TypeError("Schema must be an object."); + } + } + + if (typeof definition.merge === "string") { + if (!(definition.merge in MergeStrategy)) { + throw new TypeError( + `Definition for key "${name}" missing valid merge strategy.`, + ); + } + } else if (!hasSchema && typeof definition.merge !== "function") { + throw new TypeError( + `Definition for key "${name}" must have a merge property.`, + ); + } + + if (typeof definition.validate === "string") { + if (!(definition.validate in ValidationStrategy)) { + throw new TypeError( + `Definition for key "${name}" missing valid validation strategy.`, + ); + } + } else if (!hasSchema && typeof definition.validate !== "function") { + throw new TypeError( + `Definition for key "${name}" must have a validate() method.`, + ); + } +} + +//----------------------------------------------------------------------------- +// Errors +//----------------------------------------------------------------------------- + +/** + * Error when an unexpected key is found. + */ +class UnexpectedKeyError extends Error { + /** + * Creates a new instance. + * @param {string} key The key that was unexpected. + */ + constructor(key) { + super(`Unexpected key "${key}" found.`); + } +} + +/** + * Error when a required key is missing. + */ +class MissingKeyError extends Error { + /** + * Creates a new instance. + * @param {string} key The key that was missing. + */ + constructor(key) { + super(`Missing required key "${key}".`); + } +} + +/** + * Error when a key requires other keys that are missing. + */ +class MissingDependentKeysError extends Error { + /** + * Creates a new instance. + * @param {string} key The key that was unexpected. + * @param {Array} requiredKeys The keys that are required. + */ + constructor(key, requiredKeys) { + super(`Key "${key}" requires keys "${requiredKeys.join('", "')}".`); + } +} + +/** + * Wrapper error for errors occuring during a merge or validate operation. + */ +class WrapperError extends Error { + /** + * Creates a new instance. + * @param {string} key The object key causing the error. + * @param {Error} source The source error. + */ + constructor(key, source) { + super(`Key "${key}": ${source.message}`, { cause: source }); + + // copy over custom properties that aren't represented + for (const sourceKey of Object.keys(source)) { + if (!(sourceKey in this)) { + this[sourceKey] = source[sourceKey]; + } + } + } +} + +//----------------------------------------------------------------------------- +// Main +//----------------------------------------------------------------------------- + +/** + * Represents an object validation/merging schema. + */ +class ObjectSchema { + /** + * Track all definitions in the schema by key. + * @type {Map} + */ + #definitions = new Map(); + + /** + * Separately track any keys that are required for faster validtion. + * @type {Map} + */ + #requiredKeys = new Map(); + + /** + * Creates a new instance. + * @param {ObjectDefinition} definitions The schema definitions. + * @throws {Error} When the definitions are missing or invalid. + */ + constructor(definitions) { + if (!definitions) { + throw new Error("Schema definitions missing."); + } + + // add in all strategies + for (const key of Object.keys(definitions)) { + validateDefinition(key, definitions[key]); + + // normalize merge and validate methods if subschema is present + if (typeof definitions[key].schema === "object") { + const schema = new ObjectSchema(definitions[key].schema); + definitions[key] = { + ...definitions[key], + merge(first = {}, second = {}) { + return schema.merge(first, second); + }, + validate(value) { + ValidationStrategy.object(value); + schema.validate(value); + }, + }; + } + + // normalize the merge method in case there's a string + if (typeof definitions[key].merge === "string") { + definitions[key] = { + ...definitions[key], + merge: MergeStrategy[ + /** @type {string} */ (definitions[key].merge) + ], + }; + } + + // normalize the validate method in case there's a string + if (typeof definitions[key].validate === "string") { + definitions[key] = { + ...definitions[key], + validate: + ValidationStrategy[ + /** @type {string} */ (definitions[key].validate) + ], + }; + } + + this.#definitions.set(key, definitions[key]); + + if (definitions[key].required) { + this.#requiredKeys.set(key, definitions[key]); + } + } + } + + /** + * Determines if a strategy has been registered for the given object key. + * @param {string} key The object key to find a strategy for. + * @returns {boolean} True if the key has a strategy registered, false if not. + */ + hasKey(key) { + return this.#definitions.has(key); + } + + /** + * Merges objects together to create a new object comprised of the keys + * of the all objects. Keys are merged based on the each key's merge + * strategy. + * @param {...Object} objects The objects to merge. + * @returns {Object} A new object with a mix of all objects' keys. + * @throws {TypeError} If any object is invalid. + */ + merge(...objects) { + // double check arguments + if (objects.length < 2) { + throw new TypeError("merge() requires at least two arguments."); + } + + if ( + objects.some( + object => object === null || typeof object !== "object", + ) + ) { + throw new TypeError("All arguments must be objects."); + } + + return objects.reduce((result, object) => { + this.validate(object); + + for (const [key, strategy] of this.#definitions) { + try { + if (key in result || key in object) { + const merge = /** @type {Function} */ (strategy.merge); + const value = merge.call( + this, + result[key], + object[key], + ); + if (value !== undefined) { + result[key] = value; + } + } + } catch (ex) { + throw new WrapperError(key, ex); + } + } + return result; + }, {}); + } + + /** + * Validates an object's keys based on the validate strategy for each key. + * @param {Object} object The object to validate. + * @returns {void} + * @throws {Error} When the object is invalid. + */ + validate(object) { + // check existing keys first + for (const key of Object.keys(object)) { + // check to see if the key is defined + if (!this.hasKey(key)) { + throw new UnexpectedKeyError(key); + } + + // validate existing keys + const definition = this.#definitions.get(key); + + // first check to see if any other keys are required + if (Array.isArray(definition.requires)) { + if ( + !definition.requires.every(otherKey => otherKey in object) + ) { + throw new MissingDependentKeysError( + key, + definition.requires, + ); + } + } + + // now apply remaining validation strategy + try { + const validate = /** @type {Function} */ (definition.validate); + validate.call(definition, object[key]); + } catch (ex) { + throw new WrapperError(key, ex); + } + } + + // ensure required keys aren't missing + for (const [key] of this.#requiredKeys) { + if (!(key in object)) { + throw new MissingKeyError(key); + } + } + } +} + +export { MergeStrategy, ObjectSchema, ValidationStrategy }; diff --git a/module/node_modules/@eslint/object-schema/dist/esm/types.d.ts b/module/node_modules/@eslint/object-schema/dist/esm/types.d.ts new file mode 100644 index 000000000..5a5f92061 --- /dev/null +++ b/module/node_modules/@eslint/object-schema/dist/esm/types.d.ts @@ -0,0 +1,40 @@ +/** + * @fileoverview Types for object-schema package. + */ +/** + * Built-in validation strategies. + */ +export type BuiltInValidationStrategy = "array" | "boolean" | "number" | "object" | "object?" | "string" | "string!"; +/** + * Built-in merge strategies. + */ +export type BuiltInMergeStrategy = "assign" | "overwrite" | "replace"; +/** + * Property definition. + */ +export interface PropertyDefinition { + /** + * Indicates if the property is required. + */ + required: boolean; + /** + * The other properties that must be present when this property is used. + */ + requires?: string[]; + /** + * The strategy to merge the property. + */ + merge: BuiltInMergeStrategy | ((target: any, source: any) => any); + /** + * The strategy to validate the property. + */ + validate: BuiltInValidationStrategy | ((value: any) => void); + /** + * The schema for the object value of this property. + */ + schema?: ObjectDefinition; +} +/** + * Object definition. + */ +export type ObjectDefinition = Record; diff --git a/module/node_modules/@eslint/object-schema/dist/esm/types.ts b/module/node_modules/@eslint/object-schema/dist/esm/types.ts new file mode 100644 index 000000000..c409a6ed4 --- /dev/null +++ b/module/node_modules/@eslint/object-schema/dist/esm/types.ts @@ -0,0 +1,57 @@ +/** + * @fileoverview Types for object-schema package. + */ + +/** + * Built-in validation strategies. + */ +export type BuiltInValidationStrategy = + | "array" + | "boolean" + | "number" + | "object" + | "object?" + | "string" + | "string!"; + +/** + * Built-in merge strategies. + */ +export type BuiltInMergeStrategy = "assign" | "overwrite" | "replace"; + +/** + * Property definition. + */ +export interface PropertyDefinition { + /** + * Indicates if the property is required. + */ + required: boolean; + + /** + * The other properties that must be present when this property is used. + */ + requires?: string[]; + + /** + * The strategy to merge the property. + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any -- https://github.com/eslint/rewrite/pull/90#discussion_r1687206213 + merge: BuiltInMergeStrategy | ((target: any, source: any) => any); + + /** + * The strategy to validate the property. + */ + // eslint-disable-next-line @typescript-eslint/no-explicit-any -- https://github.com/eslint/rewrite/pull/90#discussion_r1687206213 + validate: BuiltInValidationStrategy | ((value: any) => void); + + /** + * The schema for the object value of this property. + */ + schema?: ObjectDefinition; +} + +/** + * Object definition. + */ +export type ObjectDefinition = Record; diff --git a/module/node_modules/@eslint/object-schema/package.json b/module/node_modules/@eslint/object-schema/package.json new file mode 100644 index 000000000..f5981d2f0 --- /dev/null +++ b/module/node_modules/@eslint/object-schema/package.json @@ -0,0 +1,59 @@ +{ + "name": "@eslint/object-schema", + "version": "2.1.7", + "description": "An object schema merger/validator", + "type": "module", + "main": "dist/esm/index.js", + "types": "dist/esm/index.d.ts", + "exports": { + "require": { + "types": "./dist/cjs/index.d.cts", + "default": "./dist/cjs/index.cjs" + }, + "import": { + "types": "./dist/esm/index.d.ts", + "default": "./dist/esm/index.js" + } + }, + "files": [ + "dist" + ], + "publishConfig": { + "access": "public" + }, + "directories": { + "test": "tests" + }, + "scripts": { + "build:dedupe-types": "node ../../tools/dedupe-types.js dist/cjs/index.cjs dist/esm/index.js", + "build:cts": "node ../../tools/build-cts.js dist/esm/index.d.ts dist/cjs/index.d.cts", + "build": "rollup -c && npm run build:dedupe-types && tsc -p tsconfig.esm.json && npm run build:cts", + "test": "mocha \"tests/**/*.test.js\"", + "test:coverage": "c8 npm test", + "test:jsr": "npx jsr@latest publish --dry-run", + "test:types": "tsc -p tests/types/tsconfig.json" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/eslint/rewrite.git", + "directory": "packages/object-schema" + }, + "keywords": [ + "object", + "validation", + "schema", + "merge" + ], + "author": "Nicholas C. Zakas", + "license": "Apache-2.0", + "bugs": { + "url": "https://github.com/eslint/rewrite/issues" + }, + "homepage": "https://github.com/eslint/rewrite/tree/main/packages/object-schema#readme", + "devDependencies": { + "rollup-plugin-copy": "^3.5.0" + }, + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + } +} diff --git a/module/node_modules/@eslint/plugin-kit/LICENSE b/module/node_modules/@eslint/plugin-kit/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/module/node_modules/@eslint/plugin-kit/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/module/node_modules/@eslint/plugin-kit/README.md b/module/node_modules/@eslint/plugin-kit/README.md new file mode 100644 index 000000000..b7ffb2c1a --- /dev/null +++ b/module/node_modules/@eslint/plugin-kit/README.md @@ -0,0 +1,273 @@ +# ESLint Plugin Kit + +## Description + +A collection of utilities to help build ESLint plugins. + +## Installation + +For Node.js and compatible runtimes: + +```shell +npm install @eslint/plugin-kit +# or +yarn add @eslint/plugin-kit +# or +pnpm install @eslint/plugin-kit +# or +bun add @eslint/plugin-kit +``` + +For Deno: + +```shell +deno add @eslint/plugin-kit +``` + +## Usage + +This package exports the following utilities: + +- [`ConfigCommentParser`](#configcommentparser) - used to parse ESLint configuration comments (i.e., `/* eslint-disable rule */`) +- [`VisitNodeStep` and `CallMethodStep`](#visitnodestep-and-callmethodstep) - used to help implement `SourceCode#traverse()` +- [`Directive`](#directive) - used to help implement `SourceCode#getDisableDirectives()` +- [`TextSourceCodeBase`](#textsourcecodebase) - base class to help implement the `SourceCode` interface + +### `ConfigCommentParser` + +To use the `ConfigCommentParser` class, import it from the package and create a new instance, such as: + +```js +import { ConfigCommentParser } from "@eslint/plugin-kit"; + +// create a new instance +const commentParser = new ConfigCommentParser(); + +// pass in a comment string without the comment delimiters +const directive = commentParser.parseDirective( + "eslint-disable prefer-const, semi -- I don't want to use these.", +); + +// will be undefined when a directive can't be parsed +if (directive) { + console.log(directive.label); // "eslint-disable" + console.log(directive.value); // "prefer-const, semi" + console.log(directive.justification); // "I don't want to use these." +} +``` + +There are different styles of directive values that you'll need to parse separately to get the correct format: + +```js +import { ConfigCommentParser } from "@eslint/plugin-kit"; + +// create a new instance +const commentParser = new ConfigCommentParser(); + +// list format +const list = commentParser.parseListConfig("prefer-const, semi"); +console.log(Object.entries(list)); // [["prefer-const", true], ["semi", true]] + +// string format +const strings = commentParser.parseStringConfig("foo:off, bar"); +console.log(Object.entries(strings)); // [["foo", "off"], ["bar", null]] + +// JSON-like config format +const jsonLike = commentParser.parseJSONLikeConfig( + "semi:[error, never], prefer-const: warn", +); +console.log(Object.entries(jsonLike.config)); // [["semi", ["error", "never"]], ["prefer-const", "warn"]] +``` + +### `VisitNodeStep` and `CallMethodStep` + +The `VisitNodeStep` and `CallMethodStep` classes represent steps in the traversal of source code. They implement the correct interfaces to return from the `SourceCode#traverse()` method. + +The `VisitNodeStep` class is the more common of the two, where you are describing a visit to a particular node during the traversal. The constructor accepts three arguments: + +- `target` - the node being visited. This is used to determine the method to call inside of a rule. For instance, if the node's type is `Literal` then ESLint will call a method named `Literal()` on the rule (if present). +- `phase` - either 1 for enter or 2 for exit. +- `args` - an array of arguments to pass into the visitor method of a rule. + +For example: + +```js +import { VisitNodeStep } from "@eslint/plugin-kit"; + +class MySourceCode { + traverse() { + const steps = []; + + for (const { node, parent, phase } of iterator(this.ast)) { + steps.push( + new VisitNodeStep({ + target: node, + phase: phase === "enter" ? 1 : 2, + args: [node, parent], + }), + ); + } + + return steps; + } +} +``` + +The `CallMethodStep` class is less common and is used to tell ESLint to call a specific method on the rule. The constructor accepts two arguments: + +- `target` - the name of the method to call, frequently beginning with `"on"` such as `"onCodePathStart"`. +- `args` - an array of arguments to pass to the method. + +For example: + +```js +import { VisitNodeStep, CallMethodStep } from "@eslint/plugin-kit"; + +class MySourceCode { + traverse() { + const steps = []; + + for (const { node, parent, phase } of iterator(this.ast)) { + steps.push( + new VisitNodeStep({ + target: node, + phase: phase === "enter" ? 1 : 2, + args: [node, parent], + }), + ); + + // call a method indicating how many times we've been through the loop + steps.push( + new CallMethodStep({ + target: "onIteration", + args: [steps.length] + }); + ) + } + + return steps; + } +} +``` + +### `Directive` + +The `Directive` class represents a disable directive in the source code and implements the `Directive` interface from `@eslint/core`. You can tell ESLint about disable directives using the `SourceCode#getDisableDirectives()` method, where part of the return value is an array of `Directive` objects. Here's an example: + +```js +import { Directive, ConfigCommentParser } from "@eslint/plugin-kit"; + +class MySourceCode { + getDisableDirectives() { + const directives = []; + const problems = []; + const commentParser = new ConfigCommentParser(); + + // read in the inline config nodes to check each one + this.getInlineConfigNodes().forEach(comment => { + // Step 1: Parse the directive + const { label, value, justification } = + commentParser.parseDirective(comment.value); + + // Step 2: Extract the directive value and create the `Directive` object + switch (label) { + case "eslint-disable": + case "eslint-enable": + case "eslint-disable-next-line": + case "eslint-disable-line": { + const directiveType = label.slice("eslint-".length); + + directives.push( + new Directive({ + type: directiveType, + node: comment, + value, + justification, + }), + ); + } + + // ignore any comments that don't begin with known labels + } + }); + + return { + directives, + problems, + }; + } +} +``` + +### `TextSourceCodeBase` + +The `TextSourceCodeBase` class is intended to be a base class that has several of the common members found in `SourceCode` objects already implemented. Those members are: + +- `lines` - an array of text lines that is created automatically when the constructor is called. +- `getLoc(nodeOrToken)` - gets the location of a node or token. Works for nodes that have the ESLint-style `loc` property and nodes that have the Unist-style [`position` property](https://github.com/syntax-tree/unist?tab=readme-ov-file#position). If you're using an AST with a different location format, you'll still need to implement this method yourself. +- `getLocFromIndex(index)` - Converts a source text index into a `{ line: number, column: number }` pair. (For this method to work, the root node should always cover the entire source code text, and the `getLoc()` method needs to be implemented correctly.) +- `getIndexFromLoc(loc)` - Converts a `{ line: number, column: number }` pair into a source text index. (For this method to work, the root node should always cover the entire source code text, and the `getLoc()` method needs to be implemented correctly.) +- `getRange(nodeOrToken)` - gets the range of a node or token within the source text. Works for nodes that have the ESLint-style `range` property and nodes that have the Unist-style [`position` property](https://github.com/syntax-tree/unist?tab=readme-ov-file#position). If you're using an AST with a different range format, you'll still need to implement this method yourself. +- `getText(node, beforeCount, afterCount)` - gets the source text for the given node that has range information attached. Optionally, can return additional characters before and after the given node. As long as `getRange()` is properly implemented, this method will just work. +- `getAncestors(node)` - returns the ancestry of the node. In order for this to work, you must implement the `getParent()` method yourself. + +Here's an example: + +```js +import { TextSourceCodeBase } from "@eslint/plugin-kit"; + +export class MySourceCode extends TextSourceCodeBase { + #parents = new Map(); + + constructor({ ast, text }) { + super({ ast, text }); + } + + getParent(node) { + return this.#parents.get(node); + } + + traverse() { + const steps = []; + + for (const { node, parent, phase } of iterator(this.ast)) { + //save the parent information + this.#parent.set(node, parent); + + steps.push( + new VisitNodeStep({ + target: node, + phase: phase === "enter" ? 1 : 2, + args: [node, parent], + }), + ); + } + + return steps; + } +} +``` + +In general, it's safe to collect the parent information during the `traverse()` method as `getParent()` and `getAncestor()` will only be called from rules once the AST has been traversed at least once. + +## License + +Apache 2.0 + + + + +## Sponsors + +The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. 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+ diff --git a/module/node_modules/@eslint/plugin-kit/dist/cjs/index.cjs b/module/node_modules/@eslint/plugin-kit/dist/cjs/index.cjs new file mode 100644 index 000000000..36b69f372 --- /dev/null +++ b/module/node_modules/@eslint/plugin-kit/dist/cjs/index.cjs @@ -0,0 +1,884 @@ +'use strict'; + +var levn = require('levn'); + +/** + * @fileoverview Config Comment Parser + * @author Nicholas C. Zakas + */ + + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + +/** @import * as $eslintcore from "@eslint/core"; */ +/** @typedef {$eslintcore.RuleConfig} RuleConfig */ +/** @typedef {$eslintcore.RulesConfig} RulesConfig */ +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.StringConfig} StringConfig */ +/** @typedef {$typests.BooleanConfig} BooleanConfig */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const directivesPattern = /^([a-z]+(?:-[a-z]+)*)(?:\s|$)/u; +const validSeverities = new Set([0, 1, 2, "off", "warn", "error"]); + +/** + * Determines if the severity in the rule configuration is valid. + * @param {RuleConfig} ruleConfig A rule's configuration. + * @returns {boolean} `true` if the severity is valid, otherwise `false`. + */ +function isSeverityValid(ruleConfig) { + const severity = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig; + return validSeverities.has(severity); +} + +/** + * Determines if all severities in the rules configuration are valid. + * @param {RulesConfig} rulesConfig The rules configuration to check. + * @returns {boolean} `true` if all severities are valid, otherwise `false`. + */ +function isEverySeverityValid(rulesConfig) { + return Object.values(rulesConfig).every(isSeverityValid); +} + +/** + * Represents a directive comment. + */ +class DirectiveComment { + /** + * The label of the directive, such as "eslint", "eslint-disable", etc. + * @type {string} + */ + label = ""; + + /** + * The value of the directive (the string after the label). + * @type {string} + */ + value = ""; + + /** + * The justification of the directive (the string after the --). + * @type {string} + */ + justification = ""; + + /** + * Creates a new directive comment. + * @param {string} label The label of the directive. + * @param {string} value The value of the directive. + * @param {string} justification The justification of the directive. + */ + constructor(label, value, justification) { + this.label = label; + this.value = value; + this.justification = justification; + } +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Object to parse ESLint configuration comments. + */ +class ConfigCommentParser { + /** + * Parses a list of "name:string_value" or/and "name" options divided by comma or + * whitespace. Used for "global" comments. + * @param {string} string The string to parse. + * @returns {StringConfig} Result map object of names and string values, or null values if no value was provided. + */ + parseStringConfig(string) { + const items = /** @type {StringConfig} */ ({}); + + // Collapse whitespace around `:` and `,` to make parsing easier + const trimmedString = string + .trim() + .replace(/(? { + if (!name) { + return; + } + + // value defaults to null (if not provided), e.g: "foo" => ["foo", null] + const [key, value = null] = name.split(":"); + + items[key] = value; + }); + + return items; + } + + /** + * Parses a JSON-like config. + * @param {string} string The string to parse. + * @returns {({ok: true, config: RulesConfig}|{ok: false, error: {message: string}})} Result map object + */ + parseJSONLikeConfig(string) { + // Parses a JSON-like comment by the same way as parsing CLI option. + try { + const items = + /** @type {RulesConfig} */ (levn.parse("Object", string)) || {}; + + /* + * When the configuration has any invalid severities, it should be completely + * ignored. This is because the configuration is not valid and should not be + * applied. + * + * For example, the following configuration is invalid: + * + * "no-alert: 2 no-console: 2" + * + * This results in a configuration of { "no-alert": "2 no-console: 2" }, which is + * not valid. In this case, the configuration should be ignored. + */ + if (isEverySeverityValid(items)) { + return { + ok: true, + config: items, + }; + } + } catch { + // levn parsing error: ignore to parse the string by a fallback. + } + + /* + * Optionator cannot parse commaless notations. + * But we are supporting that. So this is a fallback for that. + */ + const normalizedString = string + .replace(/(? { + const trimmedName = name + .trim() + .replace( + /^(?['"]?)(?.*)\k$/su, + "$", + ); + + if (trimmedName) { + items[trimmedName] = true; + } + }); + + return items; + } + + /** + * Extract the directive and the justification from a given directive comment and trim them. + * @param {string} value The comment text to extract. + * @returns {{directivePart: string, justificationPart: string}} The extracted directive and justification. + */ + #extractDirectiveComment(value) { + const match = /\s-{2,}\s/u.exec(value); + + if (!match) { + return { directivePart: value.trim(), justificationPart: "" }; + } + + const directive = value.slice(0, match.index).trim(); + const justification = value.slice(match.index + match[0].length).trim(); + + return { directivePart: directive, justificationPart: justification }; + } + + /** + * Parses a directive comment into directive text and value. + * @param {string} string The string with the directive to be parsed. + * @returns {DirectiveComment|undefined} The parsed directive or `undefined` if the directive is invalid. + */ + parseDirective(string) { + const { directivePart, justificationPart } = + this.#extractDirectiveComment(string); + const match = directivesPattern.exec(directivePart); + + if (!match) { + return undefined; + } + + const directiveText = match[1]; + const directiveValue = directivePart.slice( + match.index + directiveText.length, + ); + + return new DirectiveComment( + directiveText, + directiveValue.trim(), + justificationPart, + ); + } +} + +/** + * @fileoverview A collection of helper classes for implementing `SourceCode`. + * @author Nicholas C. Zakas + */ + +/* eslint class-methods-use-this: off -- Required to complete interface. */ + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + +/** @typedef {$eslintcore.VisitTraversalStep} VisitTraversalStep */ +/** @typedef {$eslintcore.CallTraversalStep} CallTraversalStep */ +/** @typedef {$eslintcore.TraversalStep} TraversalStep */ +/** @typedef {$eslintcore.SourceLocation} SourceLocation */ +/** @typedef {$eslintcore.SourceLocationWithOffset} SourceLocationWithOffset */ +/** @typedef {$eslintcore.SourceRange} SourceRange */ +/** @typedef {$eslintcore.Directive} IDirective */ +/** @typedef {$eslintcore.DirectiveType} DirectiveType */ +/** @typedef {$eslintcore.SourceCodeBaseTypeOptions} SourceCodeBaseTypeOptions */ +/** + * @typedef {import("@eslint/core").TextSourceCode} TextSourceCode + * @template {SourceCodeBaseTypeOptions} [Options=SourceCodeBaseTypeOptions] + */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/** + * Determines if a node has ESTree-style loc information. + * @param {object} node The node to check. + * @returns {node is {loc:SourceLocation}} `true` if the node has ESTree-style loc information, `false` if not. + */ +function hasESTreeStyleLoc(node) { + return "loc" in node; +} + +/** + * Determines if a node has position-style loc information. + * @param {object} node The node to check. + * @returns {node is {position:SourceLocation}} `true` if the node has position-style range information, `false` if not. + */ +function hasPosStyleLoc(node) { + return "position" in node; +} + +/** + * Determines if a node has ESTree-style range information. + * @param {object} node The node to check. + * @returns {node is {range:SourceRange}} `true` if the node has ESTree-style range information, `false` if not. + */ +function hasESTreeStyleRange(node) { + return "range" in node; +} + +/** + * Determines if a node has position-style range information. + * @param {object} node The node to check. + * @returns {node is {position:SourceLocationWithOffset}} `true` if the node has position-style range information, `false` if not. + */ +function hasPosStyleRange(node) { + return "position" in node; +} + +/** + * Performs binary search to find the line number containing a given target index. + * Returns the lower bound - the index of the first element greater than the target. + * **Please note that the `lineStartIndices` should be sorted in ascending order**. + * - Time Complexity: O(log n) - Significantly faster than linear search for large files. + * @param {number[]} lineStartIndices Sorted array of line start indices. + * @param {number} targetIndex The target index to find the line number for. + * @returns {number} The line number for the target index. + */ +function findLineNumberBinarySearch(lineStartIndices, targetIndex) { + let low = 0; + let high = lineStartIndices.length - 1; + + while (low < high) { + const mid = ((low + high) / 2) | 0; // Use bitwise OR to floor the division. + + if (targetIndex < lineStartIndices[mid]) { + high = mid; + } else { + low = mid + 1; + } + } + + return low; +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * A class to represent a step in the traversal process where a node is visited. + * @implements {VisitTraversalStep} + */ +class VisitNodeStep { + /** + * The type of the step. + * @type {"visit"} + * @readonly + */ + type = "visit"; + + /** + * The kind of the step. Represents the same data as the `type` property + * but it's a number for performance. + * @type {1} + * @readonly + */ + kind = 1; + + /** + * The target of the step. + * @type {object} + */ + target; + + /** + * The phase of the step. + * @type {1|2} + */ + phase; + + /** + * The arguments of the step. + * @type {Array} + */ + args; + + /** + * Creates a new instance. + * @param {Object} options The options for the step. + * @param {object} options.target The target of the step. + * @param {1|2} options.phase The phase of the step. + * @param {Array} options.args The arguments of the step. + */ + constructor({ target, phase, args }) { + this.target = target; + this.phase = phase; + this.args = args; + } +} + +/** + * A class to represent a step in the traversal process where a + * method is called. + * @implements {CallTraversalStep} + */ +class CallMethodStep { + /** + * The type of the step. + * @type {"call"} + * @readonly + */ + type = "call"; + + /** + * The kind of the step. Represents the same data as the `type` property + * but it's a number for performance. + * @type {2} + * @readonly + */ + kind = 2; + + /** + * The name of the method to call. + * @type {string} + */ + target; + + /** + * The arguments to pass to the method. + * @type {Array} + */ + args; + + /** + * Creates a new instance. + * @param {Object} options The options for the step. + * @param {string} options.target The target of the step. + * @param {Array} options.args The arguments of the step. + */ + constructor({ target, args }) { + this.target = target; + this.args = args; + } +} + +/** + * A class to represent a directive comment. + * @implements {IDirective} + */ +class Directive { + /** + * The type of directive. + * @type {DirectiveType} + * @readonly + */ + type; + + /** + * The node representing the directive. + * @type {unknown} + * @readonly + */ + node; + + /** + * Everything after the "eslint-disable" portion of the directive, + * but before the "--" that indicates the justification. + * @type {string} + * @readonly + */ + value; + + /** + * The justification for the directive. + * @type {string} + * @readonly + */ + justification; + + /** + * Creates a new instance. + * @param {Object} options The options for the directive. + * @param {"disable"|"enable"|"disable-next-line"|"disable-line"} options.type The type of directive. + * @param {unknown} options.node The node representing the directive. + * @param {string} options.value The value of the directive. + * @param {string} options.justification The justification for the directive. + */ + constructor({ type, node, value, justification }) { + this.type = type; + this.node = node; + this.value = value; + this.justification = justification; + } +} + +/** + * Source Code Base Object + * @template {SourceCodeBaseTypeOptions & {RootNode: object, SyntaxElementWithLoc: object}} [Options=SourceCodeBaseTypeOptions & {RootNode: object, SyntaxElementWithLoc: object}] + * @implements {TextSourceCode} + */ +class TextSourceCodeBase { + /** + * The lines of text in the source code. + * @type {Array} + */ + #lines = []; + + /** + * The indices of the start of each line in the source code. + * @type {Array} + */ + #lineStartIndices = [0]; + + /** + * The pattern to match lineEndings in the source code. + * @type {RegExp} + */ + #lineEndingPattern; + + /** + * The AST of the source code. + * @type {Options['RootNode']} + */ + ast; + + /** + * The text of the source code. + * @type {string} + */ + text; + + /** + * Creates a new instance. + * @param {Object} options The options for the instance. + * @param {string} options.text The source code text. + * @param {Options['RootNode']} options.ast The root AST node. + * @param {RegExp} [options.lineEndingPattern] The pattern to match lineEndings in the source code. Defaults to `/\r?\n/u`. + */ + constructor({ text, ast, lineEndingPattern = /\r?\n/u }) { + this.ast = ast; + this.text = text; + // Remove the global(`g`) and sticky(`y`) flags from the `lineEndingPattern` to avoid issues with lastIndex. + this.#lineEndingPattern = new RegExp( + lineEndingPattern.source, + lineEndingPattern.flags.replace(/[gy]/gu, ""), + ); + } + + /** + * Finds the next line in the source text and updates `#lines` and `#lineStartIndices`. + * @param {string} text The text to search for the next line. + * @returns {boolean} `true` if a next line was found, `false` otherwise. + */ + #findNextLine(text) { + const match = this.#lineEndingPattern.exec(text); + + if (!match) { + return false; + } + + this.#lines.push(text.slice(0, match.index)); + this.#lineStartIndices.push( + (this.#lineStartIndices.at(-1) ?? 0) + + match.index + + match[0].length, + ); + + return true; + } + + /** + * Ensures `#lines` is lazily calculated from the source text. + * @returns {void} + */ + #ensureLines() { + // If `#lines` has already been calculated, do nothing. + if (this.#lines.length === this.#lineStartIndices.length) { + return; + } + + while ( + this.#findNextLine(this.text.slice(this.#lineStartIndices.at(-1))) + ) { + // Continue parsing until no more matches are found. + } + + this.#lines.push(this.text.slice(this.#lineStartIndices.at(-1))); + + Object.freeze(this.#lines); + } + + /** + * Ensures `#lineStartIndices` is lazily calculated up to the specified index. + * @param {number} index The index of a character in a file. + * @returns {void} + */ + #ensureLineStartIndicesFromIndex(index) { + // If we've already parsed up to or beyond this index, do nothing. + if (index <= (this.#lineStartIndices.at(-1) ?? 0)) { + return; + } + + while ( + index > (this.#lineStartIndices.at(-1) ?? 0) && + this.#findNextLine(this.text.slice(this.#lineStartIndices.at(-1))) + ) { + // Continue parsing until no more matches are found. + } + } + + /** + * Ensures `#lineStartIndices` is lazily calculated up to the specified loc. + * @param {Object} loc A line/column location. + * @param {number} loc.line The line number of the location. (0 or 1-indexed based on language.) + * @param {number} lineStart The line number at which the parser starts counting. + * @returns {void} + */ + #ensureLineStartIndicesFromLoc(loc, lineStart) { + // Calculate line indices up to the potentially next line, as it is needed for the follow‑up calculation. + const nextLocLineIndex = loc.line - lineStart + 1; + const lastCalculatedLineIndex = this.#lineStartIndices.length - 1; + let additionalLinesNeeded = nextLocLineIndex - lastCalculatedLineIndex; + + // If we've already parsed up to or beyond this line, do nothing. + if (additionalLinesNeeded <= 0) { + return; + } + + while ( + additionalLinesNeeded > 0 && + this.#findNextLine(this.text.slice(this.#lineStartIndices.at(-1))) + ) { + // Continue parsing until no more matches are found or we have enough lines. + additionalLinesNeeded -= 1; + } + } + + /** + * Returns the loc information for the given node or token. + * @param {Options['SyntaxElementWithLoc']} nodeOrToken The node or token to get the loc information for. + * @returns {SourceLocation} The loc information for the node or token. + * @throws {Error} If the node or token does not have loc information. + */ + getLoc(nodeOrToken) { + if (hasESTreeStyleLoc(nodeOrToken)) { + return nodeOrToken.loc; + } + + if (hasPosStyleLoc(nodeOrToken)) { + return nodeOrToken.position; + } + + throw new Error( + "Custom getLoc() method must be implemented in the subclass.", + ); + } + + /** + * Converts a source text index into a `{ line: number, column: number }` pair. + * @param {number} index The index of a character in a file. + * @throws {TypeError|RangeError} If non-numeric index or index out of range. + * @returns {{line: number, column: number}} A `{ line: number, column: number }` location object with 0 or 1-indexed line and 0 or 1-indexed column based on language. + * @public + */ + getLocFromIndex(index) { + if (typeof index !== "number") { + throw new TypeError("Expected `index` to be a number."); + } + + if (index < 0 || index > this.text.length) { + throw new RangeError( + `Index out of range (requested index ${index}, but source text has length ${this.text.length}).`, + ); + } + + const { + start: { line: lineStart, column: columnStart }, + end: { line: lineEnd, column: columnEnd }, + } = this.getLoc(this.ast); + + // If the index is at the start, return the start location of the root node. + if (index === 0) { + return { + line: lineStart, + column: columnStart, + }; + } + + // If the index is `this.text.length`, return the location one "spot" past the last character of the file. + if (index === this.text.length) { + return { + line: lineEnd, + column: columnEnd, + }; + } + + // Ensure `#lineStartIndices` are lazily calculated. + this.#ensureLineStartIndicesFromIndex(index); + + /* + * To figure out which line `index` is on, determine the last place at which index could + * be inserted into `#lineStartIndices` to keep the list sorted. + */ + const lineNumber = + (index >= (this.#lineStartIndices.at(-1) ?? 0) + ? this.#lineStartIndices.length + : findLineNumberBinarySearch(this.#lineStartIndices, index)) - + 1 + + lineStart; + + return { + line: lineNumber, + column: + index - + this.#lineStartIndices[lineNumber - lineStart] + + columnStart, + }; + } + + /** + * Converts a `{ line: number, column: number }` pair into a source text index. + * @param {Object} loc A line/column location. + * @param {number} loc.line The line number of the location. (0 or 1-indexed based on language.) + * @param {number} loc.column The column number of the location. (0 or 1-indexed based on language.) + * @throws {TypeError|RangeError} If `loc` is not an object with a numeric + * `line` and `column`, if the `line` is less than or equal to zero or + * the `line` or `column` is out of the expected range. + * @returns {number} The index of the line/column location in a file. + * @public + */ + getIndexFromLoc(loc) { + if ( + loc === null || + typeof loc !== "object" || + typeof loc.line !== "number" || + typeof loc.column !== "number" + ) { + throw new TypeError( + "Expected `loc` to be an object with numeric `line` and `column` properties.", + ); + } + + const { + start: { line: lineStart, column: columnStart }, + end: { line: lineEnd, column: columnEnd }, + } = this.getLoc(this.ast); + + if (loc.line < lineStart || lineEnd < loc.line) { + throw new RangeError( + `Line number out of range (line ${loc.line} requested). Valid range: ${lineStart}-${lineEnd}`, + ); + } + + // If the loc is at the start, return the start index of the root node. + if (loc.line === lineStart && loc.column === columnStart) { + return 0; + } + + // If the loc is at the end, return the index one "spot" past the last character of the file. + if (loc.line === lineEnd && loc.column === columnEnd) { + return this.text.length; + } + + // Ensure `#lineStartIndices` are lazily calculated. + this.#ensureLineStartIndicesFromLoc(loc, lineStart); + + const isLastLine = loc.line === lineEnd; + const lineStartIndex = this.#lineStartIndices[loc.line - lineStart]; + const lineEndIndex = isLastLine + ? this.text.length + : this.#lineStartIndices[loc.line - lineStart + 1]; + const positionIndex = lineStartIndex + loc.column - columnStart; + + if ( + loc.column < columnStart || + (isLastLine && positionIndex > lineEndIndex) || + (!isLastLine && positionIndex >= lineEndIndex) + ) { + throw new RangeError( + `Column number out of range (column ${loc.column} requested). Valid range for line ${loc.line}: ${columnStart}-${lineEndIndex - lineStartIndex + columnStart + (isLastLine ? 0 : -1)}`, + ); + } + + return positionIndex; + } + + /** + * Returns the range information for the given node or token. + * @param {Options['SyntaxElementWithLoc']} nodeOrToken The node or token to get the range information for. + * @returns {SourceRange} The range information for the node or token. + * @throws {Error} If the node or token does not have range information. + */ + getRange(nodeOrToken) { + if (hasESTreeStyleRange(nodeOrToken)) { + return nodeOrToken.range; + } + + if (hasPosStyleRange(nodeOrToken)) { + return [ + nodeOrToken.position.start.offset, + nodeOrToken.position.end.offset, + ]; + } + + throw new Error( + "Custom getRange() method must be implemented in the subclass.", + ); + } + + /* eslint-disable no-unused-vars -- Required to complete interface. */ + /** + * Returns the parent of the given node. + * @param {Options['SyntaxElementWithLoc']} node The node to get the parent of. + * @returns {Options['SyntaxElementWithLoc']|undefined} The parent of the node. + * @throws {Error} If the method is not implemented in the subclass. + */ + getParent(node) { + throw new Error("Not implemented."); + } + /* eslint-enable no-unused-vars -- Required to complete interface. */ + + /** + * Gets all the ancestors of a given node + * @param {Options['SyntaxElementWithLoc']} node The node + * @returns {Array} All the ancestor nodes in the AST, not including the provided node, starting + * from the root node at index 0 and going inwards to the parent node. + * @throws {TypeError} When `node` is missing. + */ + getAncestors(node) { + if (!node) { + throw new TypeError("Missing required argument: node."); + } + + const ancestorsStartingAtParent = []; + + for ( + let ancestor = this.getParent(node); + ancestor; + ancestor = this.getParent(ancestor) + ) { + ancestorsStartingAtParent.push(ancestor); + } + + return ancestorsStartingAtParent.reverse(); + } + + /** + * Gets the source code for the given node. + * @param {Options['SyntaxElementWithLoc']} [node] The AST node to get the text for. + * @param {number} [beforeCount] The number of characters before the node to retrieve. + * @param {number} [afterCount] The number of characters after the node to retrieve. + * @returns {string} The text representing the AST node. + * @public + */ + getText(node, beforeCount, afterCount) { + if (node) { + const range = this.getRange(node); + return this.text.slice( + Math.max(range[0] - (beforeCount || 0), 0), + range[1] + (afterCount || 0), + ); + } + return this.text; + } + + /** + * Gets the entire source text split into an array of lines. + * @returns {Array} The source text as an array of lines. + * @public + */ + get lines() { + this.#ensureLines(); // Ensure `#lines` is lazily calculated. + + return this.#lines; + } + + /** + * Traverse the source code and return the steps that were taken. + * @returns {Iterable} The steps that were taken while traversing the source code. + */ + traverse() { + throw new Error("Not implemented."); + } +} + +exports.CallMethodStep = CallMethodStep; +exports.ConfigCommentParser = ConfigCommentParser; +exports.Directive = Directive; +exports.TextSourceCodeBase = TextSourceCodeBase; +exports.VisitNodeStep = VisitNodeStep; diff --git a/module/node_modules/@eslint/plugin-kit/dist/cjs/index.d.cts b/module/node_modules/@eslint/plugin-kit/dist/cjs/index.d.cts new file mode 100644 index 000000000..d8354dd52 --- /dev/null +++ b/module/node_modules/@eslint/plugin-kit/dist/cjs/index.d.cts @@ -0,0 +1,328 @@ +export type VisitTraversalStep = $eslintcore.VisitTraversalStep; +export type CallTraversalStep = $eslintcore.CallTraversalStep; +export type TraversalStep = $eslintcore.TraversalStep; +export type SourceLocation = $eslintcore.SourceLocation; +export type SourceLocationWithOffset = $eslintcore.SourceLocationWithOffset; +export type SourceRange = $eslintcore.SourceRange; +export type IDirective = $eslintcore.Directive; +export type DirectiveType = $eslintcore.DirectiveType; +export type SourceCodeBaseTypeOptions = $eslintcore.SourceCodeBaseTypeOptions; +/** + * + */ +export type TextSourceCode = import("@eslint/core").TextSourceCode; +export type RuleConfig = $eslintcore.RuleConfig; +export type RulesConfig = $eslintcore.RulesConfig; +export type StringConfig = $typests.StringConfig; +export type BooleanConfig = $typests.BooleanConfig; +/** + * A class to represent a step in the traversal process where a + * method is called. + * @implements {CallTraversalStep} + */ +export class CallMethodStep implements CallTraversalStep { + /** + * Creates a new instance. + * @param {Object} options The options for the step. + * @param {string} options.target The target of the step. + * @param {Array} options.args The arguments of the step. + */ + constructor({ target, args }: { + target: string; + args: Array; + }); + /** + * The type of the step. + * @type {"call"} + * @readonly + */ + readonly type: "call"; + /** + * The kind of the step. Represents the same data as the `type` property + * but it's a number for performance. + * @type {2} + * @readonly + */ + readonly kind: 2; + /** + * The name of the method to call. + * @type {string} + */ + target: string; + /** + * The arguments to pass to the method. + * @type {Array} + */ + args: Array; +} +/** + * Object to parse ESLint configuration comments. + */ +export class ConfigCommentParser { + /** + * Parses a list of "name:string_value" or/and "name" options divided by comma or + * whitespace. Used for "global" comments. + * @param {string} string The string to parse. + * @returns {StringConfig} Result map object of names and string values, or null values if no value was provided. + */ + parseStringConfig(string: string): StringConfig; + /** + * Parses a JSON-like config. + * @param {string} string The string to parse. + * @returns {({ok: true, config: RulesConfig}|{ok: false, error: {message: string}})} Result map object + */ + parseJSONLikeConfig(string: string): ({ + ok: true; + config: RulesConfig; + } | { + ok: false; + error: { + message: string; + }; + }); + /** + * Parses a config of values separated by comma. + * @param {string} string The string to parse. + * @returns {BooleanConfig} Result map of values and true values + */ + parseListConfig(string: string): BooleanConfig; + /** + * Parses a directive comment into directive text and value. + * @param {string} string The string with the directive to be parsed. + * @returns {DirectiveComment|undefined} The parsed directive or `undefined` if the directive is invalid. + */ + parseDirective(string: string): DirectiveComment | undefined; + #private; +} +/** + * A class to represent a directive comment. + * @implements {IDirective} + */ +export class Directive implements IDirective { + /** + * Creates a new instance. + * @param {Object} options The options for the directive. + * @param {"disable"|"enable"|"disable-next-line"|"disable-line"} options.type The type of directive. + * @param {unknown} options.node The node representing the directive. + * @param {string} options.value The value of the directive. + * @param {string} options.justification The justification for the directive. + */ + constructor({ type, node, value, justification }: { + type: "disable" | "enable" | "disable-next-line" | "disable-line"; + node: unknown; + value: string; + justification: string; + }); + /** + * The type of directive. + * @type {DirectiveType} + * @readonly + */ + readonly type: DirectiveType; + /** + * The node representing the directive. + * @type {unknown} + * @readonly + */ + readonly node: unknown; + /** + * Everything after the "eslint-disable" portion of the directive, + * but before the "--" that indicates the justification. + * @type {string} + * @readonly + */ + readonly value: string; + /** + * The justification for the directive. + * @type {string} + * @readonly + */ + readonly justification: string; +} +/** + * Source Code Base Object + * @template {SourceCodeBaseTypeOptions & {RootNode: object, SyntaxElementWithLoc: object}} [Options=SourceCodeBaseTypeOptions & {RootNode: object, SyntaxElementWithLoc: object}] + * @implements {TextSourceCode} + */ +export class TextSourceCodeBase implements TextSourceCode { + /** + * Creates a new instance. + * @param {Object} options The options for the instance. + * @param {string} options.text The source code text. + * @param {Options['RootNode']} options.ast The root AST node. + * @param {RegExp} [options.lineEndingPattern] The pattern to match lineEndings in the source code. Defaults to `/\r?\n/u`. + */ + constructor({ text, ast, lineEndingPattern }: { + text: string; + ast: Options["RootNode"]; + lineEndingPattern?: RegExp; + }); + /** + * The AST of the source code. + * @type {Options['RootNode']} + */ + ast: Options["RootNode"]; + /** + * The text of the source code. + * @type {string} + */ + text: string; + /** + * Returns the loc information for the given node or token. + * @param {Options['SyntaxElementWithLoc']} nodeOrToken The node or token to get the loc information for. + * @returns {SourceLocation} The loc information for the node or token. + * @throws {Error} If the node or token does not have loc information. + */ + getLoc(nodeOrToken: Options["SyntaxElementWithLoc"]): SourceLocation; + /** + * Converts a source text index into a `{ line: number, column: number }` pair. + * @param {number} index The index of a character in a file. + * @throws {TypeError|RangeError} If non-numeric index or index out of range. + * @returns {{line: number, column: number}} A `{ line: number, column: number }` location object with 0 or 1-indexed line and 0 or 1-indexed column based on language. + * @public + */ + public getLocFromIndex(index: number): { + line: number; + column: number; + }; + /** + * Converts a `{ line: number, column: number }` pair into a source text index. + * @param {Object} loc A line/column location. + * @param {number} loc.line The line number of the location. (0 or 1-indexed based on language.) + * @param {number} loc.column The column number of the location. (0 or 1-indexed based on language.) + * @throws {TypeError|RangeError} If `loc` is not an object with a numeric + * `line` and `column`, if the `line` is less than or equal to zero or + * the `line` or `column` is out of the expected range. + * @returns {number} The index of the line/column location in a file. + * @public + */ + public getIndexFromLoc(loc: { + line: number; + column: number; + }): number; + /** + * Returns the range information for the given node or token. + * @param {Options['SyntaxElementWithLoc']} nodeOrToken The node or token to get the range information for. + * @returns {SourceRange} The range information for the node or token. + * @throws {Error} If the node or token does not have range information. + */ + getRange(nodeOrToken: Options["SyntaxElementWithLoc"]): SourceRange; + /** + * Returns the parent of the given node. + * @param {Options['SyntaxElementWithLoc']} node The node to get the parent of. + * @returns {Options['SyntaxElementWithLoc']|undefined} The parent of the node. + * @throws {Error} If the method is not implemented in the subclass. + */ + getParent(node: Options["SyntaxElementWithLoc"]): Options["SyntaxElementWithLoc"] | undefined; + /** + * Gets all the ancestors of a given node + * @param {Options['SyntaxElementWithLoc']} node The node + * @returns {Array} All the ancestor nodes in the AST, not including the provided node, starting + * from the root node at index 0 and going inwards to the parent node. + * @throws {TypeError} When `node` is missing. + */ + getAncestors(node: Options["SyntaxElementWithLoc"]): Array; + /** + * Gets the source code for the given node. + * @param {Options['SyntaxElementWithLoc']} [node] The AST node to get the text for. + * @param {number} [beforeCount] The number of characters before the node to retrieve. + * @param {number} [afterCount] The number of characters after the node to retrieve. + * @returns {string} The text representing the AST node. + * @public + */ + public getText(node?: Options["SyntaxElementWithLoc"], beforeCount?: number, afterCount?: number): string; + /** + * Gets the entire source text split into an array of lines. + * @returns {Array} The source text as an array of lines. + * @public + */ + public get lines(): Array; + /** + * Traverse the source code and return the steps that were taken. + * @returns {Iterable} The steps that were taken while traversing the source code. + */ + traverse(): Iterable; + #private; +} +/** + * A class to represent a step in the traversal process where a node is visited. + * @implements {VisitTraversalStep} + */ +export class VisitNodeStep implements VisitTraversalStep { + /** + * Creates a new instance. + * @param {Object} options The options for the step. + * @param {object} options.target The target of the step. + * @param {1|2} options.phase The phase of the step. + * @param {Array} options.args The arguments of the step. + */ + constructor({ target, phase, args }: { + target: object; + phase: 1 | 2; + args: Array; + }); + /** + * The type of the step. + * @type {"visit"} + * @readonly + */ + readonly type: "visit"; + /** + * The kind of the step. Represents the same data as the `type` property + * but it's a number for performance. + * @type {1} + * @readonly + */ + readonly kind: 1; + /** + * The target of the step. + * @type {object} + */ + target: object; + /** + * The phase of the step. + * @type {1|2} + */ + phase: 1 | 2; + /** + * The arguments of the step. + * @type {Array} + */ + args: Array; +} +import type * as $eslintcore from "@eslint/core"; +import type * as $typests from "./types.cts"; +/** + * Represents a directive comment. + */ +declare class DirectiveComment { + /** + * Creates a new directive comment. + * @param {string} label The label of the directive. + * @param {string} value The value of the directive. + * @param {string} justification The justification of the directive. + */ + constructor(label: string, value: string, justification: string); + /** + * The label of the directive, such as "eslint", "eslint-disable", etc. + * @type {string} + */ + label: string; + /** + * The value of the directive (the string after the label). + * @type {string} + */ + value: string; + /** + * The justification of the directive (the string after the --). + * @type {string} + */ + justification: string; +} +export {}; diff --git a/module/node_modules/@eslint/plugin-kit/dist/cjs/types.cts b/module/node_modules/@eslint/plugin-kit/dist/cjs/types.cts new file mode 100644 index 000000000..d3f6a888d --- /dev/null +++ b/module/node_modules/@eslint/plugin-kit/dist/cjs/types.cts @@ -0,0 +1,7 @@ +/** + * @fileoverview Types for the plugin-kit package. + * @author Nicholas C. Zakas + */ + +export type StringConfig = Record; +export type BooleanConfig = Record; diff --git a/module/node_modules/@eslint/plugin-kit/dist/esm/index.d.ts b/module/node_modules/@eslint/plugin-kit/dist/esm/index.d.ts new file mode 100644 index 000000000..6decfc61c --- /dev/null +++ b/module/node_modules/@eslint/plugin-kit/dist/esm/index.d.ts @@ -0,0 +1,328 @@ +export type VisitTraversalStep = $eslintcore.VisitTraversalStep; +export type CallTraversalStep = $eslintcore.CallTraversalStep; +export type TraversalStep = $eslintcore.TraversalStep; +export type SourceLocation = $eslintcore.SourceLocation; +export type SourceLocationWithOffset = $eslintcore.SourceLocationWithOffset; +export type SourceRange = $eslintcore.SourceRange; +export type IDirective = $eslintcore.Directive; +export type DirectiveType = $eslintcore.DirectiveType; +export type SourceCodeBaseTypeOptions = $eslintcore.SourceCodeBaseTypeOptions; +/** + * + */ +export type TextSourceCode = import("@eslint/core").TextSourceCode; +export type RuleConfig = $eslintcore.RuleConfig; +export type RulesConfig = $eslintcore.RulesConfig; +export type StringConfig = $typests.StringConfig; +export type BooleanConfig = $typests.BooleanConfig; +/** + * A class to represent a step in the traversal process where a + * method is called. + * @implements {CallTraversalStep} + */ +export class CallMethodStep implements CallTraversalStep { + /** + * Creates a new instance. + * @param {Object} options The options for the step. + * @param {string} options.target The target of the step. + * @param {Array} options.args The arguments of the step. + */ + constructor({ target, args }: { + target: string; + args: Array; + }); + /** + * The type of the step. + * @type {"call"} + * @readonly + */ + readonly type: "call"; + /** + * The kind of the step. Represents the same data as the `type` property + * but it's a number for performance. + * @type {2} + * @readonly + */ + readonly kind: 2; + /** + * The name of the method to call. + * @type {string} + */ + target: string; + /** + * The arguments to pass to the method. + * @type {Array} + */ + args: Array; +} +/** + * Object to parse ESLint configuration comments. + */ +export class ConfigCommentParser { + /** + * Parses a list of "name:string_value" or/and "name" options divided by comma or + * whitespace. Used for "global" comments. + * @param {string} string The string to parse. + * @returns {StringConfig} Result map object of names and string values, or null values if no value was provided. + */ + parseStringConfig(string: string): StringConfig; + /** + * Parses a JSON-like config. + * @param {string} string The string to parse. + * @returns {({ok: true, config: RulesConfig}|{ok: false, error: {message: string}})} Result map object + */ + parseJSONLikeConfig(string: string): ({ + ok: true; + config: RulesConfig; + } | { + ok: false; + error: { + message: string; + }; + }); + /** + * Parses a config of values separated by comma. + * @param {string} string The string to parse. + * @returns {BooleanConfig} Result map of values and true values + */ + parseListConfig(string: string): BooleanConfig; + /** + * Parses a directive comment into directive text and value. + * @param {string} string The string with the directive to be parsed. + * @returns {DirectiveComment|undefined} The parsed directive or `undefined` if the directive is invalid. + */ + parseDirective(string: string): DirectiveComment | undefined; + #private; +} +/** + * A class to represent a directive comment. + * @implements {IDirective} + */ +export class Directive implements IDirective { + /** + * Creates a new instance. + * @param {Object} options The options for the directive. + * @param {"disable"|"enable"|"disable-next-line"|"disable-line"} options.type The type of directive. + * @param {unknown} options.node The node representing the directive. + * @param {string} options.value The value of the directive. + * @param {string} options.justification The justification for the directive. + */ + constructor({ type, node, value, justification }: { + type: "disable" | "enable" | "disable-next-line" | "disable-line"; + node: unknown; + value: string; + justification: string; + }); + /** + * The type of directive. + * @type {DirectiveType} + * @readonly + */ + readonly type: DirectiveType; + /** + * The node representing the directive. + * @type {unknown} + * @readonly + */ + readonly node: unknown; + /** + * Everything after the "eslint-disable" portion of the directive, + * but before the "--" that indicates the justification. + * @type {string} + * @readonly + */ + readonly value: string; + /** + * The justification for the directive. + * @type {string} + * @readonly + */ + readonly justification: string; +} +/** + * Source Code Base Object + * @template {SourceCodeBaseTypeOptions & {RootNode: object, SyntaxElementWithLoc: object}} [Options=SourceCodeBaseTypeOptions & {RootNode: object, SyntaxElementWithLoc: object}] + * @implements {TextSourceCode} + */ +export class TextSourceCodeBase implements TextSourceCode { + /** + * Creates a new instance. + * @param {Object} options The options for the instance. + * @param {string} options.text The source code text. + * @param {Options['RootNode']} options.ast The root AST node. + * @param {RegExp} [options.lineEndingPattern] The pattern to match lineEndings in the source code. Defaults to `/\r?\n/u`. + */ + constructor({ text, ast, lineEndingPattern }: { + text: string; + ast: Options["RootNode"]; + lineEndingPattern?: RegExp; + }); + /** + * The AST of the source code. + * @type {Options['RootNode']} + */ + ast: Options["RootNode"]; + /** + * The text of the source code. + * @type {string} + */ + text: string; + /** + * Returns the loc information for the given node or token. + * @param {Options['SyntaxElementWithLoc']} nodeOrToken The node or token to get the loc information for. + * @returns {SourceLocation} The loc information for the node or token. + * @throws {Error} If the node or token does not have loc information. + */ + getLoc(nodeOrToken: Options["SyntaxElementWithLoc"]): SourceLocation; + /** + * Converts a source text index into a `{ line: number, column: number }` pair. + * @param {number} index The index of a character in a file. + * @throws {TypeError|RangeError} If non-numeric index or index out of range. + * @returns {{line: number, column: number}} A `{ line: number, column: number }` location object with 0 or 1-indexed line and 0 or 1-indexed column based on language. + * @public + */ + public getLocFromIndex(index: number): { + line: number; + column: number; + }; + /** + * Converts a `{ line: number, column: number }` pair into a source text index. + * @param {Object} loc A line/column location. + * @param {number} loc.line The line number of the location. (0 or 1-indexed based on language.) + * @param {number} loc.column The column number of the location. (0 or 1-indexed based on language.) + * @throws {TypeError|RangeError} If `loc` is not an object with a numeric + * `line` and `column`, if the `line` is less than or equal to zero or + * the `line` or `column` is out of the expected range. + * @returns {number} The index of the line/column location in a file. + * @public + */ + public getIndexFromLoc(loc: { + line: number; + column: number; + }): number; + /** + * Returns the range information for the given node or token. + * @param {Options['SyntaxElementWithLoc']} nodeOrToken The node or token to get the range information for. + * @returns {SourceRange} The range information for the node or token. + * @throws {Error} If the node or token does not have range information. + */ + getRange(nodeOrToken: Options["SyntaxElementWithLoc"]): SourceRange; + /** + * Returns the parent of the given node. + * @param {Options['SyntaxElementWithLoc']} node The node to get the parent of. + * @returns {Options['SyntaxElementWithLoc']|undefined} The parent of the node. + * @throws {Error} If the method is not implemented in the subclass. + */ + getParent(node: Options["SyntaxElementWithLoc"]): Options["SyntaxElementWithLoc"] | undefined; + /** + * Gets all the ancestors of a given node + * @param {Options['SyntaxElementWithLoc']} node The node + * @returns {Array} All the ancestor nodes in the AST, not including the provided node, starting + * from the root node at index 0 and going inwards to the parent node. + * @throws {TypeError} When `node` is missing. + */ + getAncestors(node: Options["SyntaxElementWithLoc"]): Array; + /** + * Gets the source code for the given node. + * @param {Options['SyntaxElementWithLoc']} [node] The AST node to get the text for. + * @param {number} [beforeCount] The number of characters before the node to retrieve. + * @param {number} [afterCount] The number of characters after the node to retrieve. + * @returns {string} The text representing the AST node. + * @public + */ + public getText(node?: Options["SyntaxElementWithLoc"], beforeCount?: number, afterCount?: number): string; + /** + * Gets the entire source text split into an array of lines. + * @returns {Array} The source text as an array of lines. + * @public + */ + public get lines(): Array; + /** + * Traverse the source code and return the steps that were taken. + * @returns {Iterable} The steps that were taken while traversing the source code. + */ + traverse(): Iterable; + #private; +} +/** + * A class to represent a step in the traversal process where a node is visited. + * @implements {VisitTraversalStep} + */ +export class VisitNodeStep implements VisitTraversalStep { + /** + * Creates a new instance. + * @param {Object} options The options for the step. + * @param {object} options.target The target of the step. + * @param {1|2} options.phase The phase of the step. + * @param {Array} options.args The arguments of the step. + */ + constructor({ target, phase, args }: { + target: object; + phase: 1 | 2; + args: Array; + }); + /** + * The type of the step. + * @type {"visit"} + * @readonly + */ + readonly type: "visit"; + /** + * The kind of the step. Represents the same data as the `type` property + * but it's a number for performance. + * @type {1} + * @readonly + */ + readonly kind: 1; + /** + * The target of the step. + * @type {object} + */ + target: object; + /** + * The phase of the step. + * @type {1|2} + */ + phase: 1 | 2; + /** + * The arguments of the step. + * @type {Array} + */ + args: Array; +} +import type * as $eslintcore from "@eslint/core"; +import type * as $typests from "./types.ts"; +/** + * Represents a directive comment. + */ +declare class DirectiveComment { + /** + * Creates a new directive comment. + * @param {string} label The label of the directive. + * @param {string} value The value of the directive. + * @param {string} justification The justification of the directive. + */ + constructor(label: string, value: string, justification: string); + /** + * The label of the directive, such as "eslint", "eslint-disable", etc. + * @type {string} + */ + label: string; + /** + * The value of the directive (the string after the label). + * @type {string} + */ + value: string; + /** + * The justification of the directive (the string after the --). + * @type {string} + */ + justification: string; +} +export {}; diff --git a/module/node_modules/@eslint/plugin-kit/dist/esm/index.js b/module/node_modules/@eslint/plugin-kit/dist/esm/index.js new file mode 100644 index 000000000..1f3175b58 --- /dev/null +++ b/module/node_modules/@eslint/plugin-kit/dist/esm/index.js @@ -0,0 +1,879 @@ +// @ts-self-types="./index.d.ts" +import levn from 'levn'; + +/** + * @fileoverview Config Comment Parser + * @author Nicholas C. Zakas + */ + + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + +/** @import * as $eslintcore from "@eslint/core"; */ +/** @typedef {$eslintcore.RuleConfig} RuleConfig */ +/** @typedef {$eslintcore.RulesConfig} RulesConfig */ +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.StringConfig} StringConfig */ +/** @typedef {$typests.BooleanConfig} BooleanConfig */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const directivesPattern = /^([a-z]+(?:-[a-z]+)*)(?:\s|$)/u; +const validSeverities = new Set([0, 1, 2, "off", "warn", "error"]); + +/** + * Determines if the severity in the rule configuration is valid. + * @param {RuleConfig} ruleConfig A rule's configuration. + * @returns {boolean} `true` if the severity is valid, otherwise `false`. + */ +function isSeverityValid(ruleConfig) { + const severity = Array.isArray(ruleConfig) ? ruleConfig[0] : ruleConfig; + return validSeverities.has(severity); +} + +/** + * Determines if all severities in the rules configuration are valid. + * @param {RulesConfig} rulesConfig The rules configuration to check. + * @returns {boolean} `true` if all severities are valid, otherwise `false`. + */ +function isEverySeverityValid(rulesConfig) { + return Object.values(rulesConfig).every(isSeverityValid); +} + +/** + * Represents a directive comment. + */ +class DirectiveComment { + /** + * The label of the directive, such as "eslint", "eslint-disable", etc. + * @type {string} + */ + label = ""; + + /** + * The value of the directive (the string after the label). + * @type {string} + */ + value = ""; + + /** + * The justification of the directive (the string after the --). + * @type {string} + */ + justification = ""; + + /** + * Creates a new directive comment. + * @param {string} label The label of the directive. + * @param {string} value The value of the directive. + * @param {string} justification The justification of the directive. + */ + constructor(label, value, justification) { + this.label = label; + this.value = value; + this.justification = justification; + } +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Object to parse ESLint configuration comments. + */ +class ConfigCommentParser { + /** + * Parses a list of "name:string_value" or/and "name" options divided by comma or + * whitespace. Used for "global" comments. + * @param {string} string The string to parse. + * @returns {StringConfig} Result map object of names and string values, or null values if no value was provided. + */ + parseStringConfig(string) { + const items = /** @type {StringConfig} */ ({}); + + // Collapse whitespace around `:` and `,` to make parsing easier + const trimmedString = string + .trim() + .replace(/(? { + if (!name) { + return; + } + + // value defaults to null (if not provided), e.g: "foo" => ["foo", null] + const [key, value = null] = name.split(":"); + + items[key] = value; + }); + + return items; + } + + /** + * Parses a JSON-like config. + * @param {string} string The string to parse. + * @returns {({ok: true, config: RulesConfig}|{ok: false, error: {message: string}})} Result map object + */ + parseJSONLikeConfig(string) { + // Parses a JSON-like comment by the same way as parsing CLI option. + try { + const items = + /** @type {RulesConfig} */ (levn.parse("Object", string)) || {}; + + /* + * When the configuration has any invalid severities, it should be completely + * ignored. This is because the configuration is not valid and should not be + * applied. + * + * For example, the following configuration is invalid: + * + * "no-alert: 2 no-console: 2" + * + * This results in a configuration of { "no-alert": "2 no-console: 2" }, which is + * not valid. In this case, the configuration should be ignored. + */ + if (isEverySeverityValid(items)) { + return { + ok: true, + config: items, + }; + } + } catch { + // levn parsing error: ignore to parse the string by a fallback. + } + + /* + * Optionator cannot parse commaless notations. + * But we are supporting that. So this is a fallback for that. + */ + const normalizedString = string + .replace(/(? { + const trimmedName = name + .trim() + .replace( + /^(?['"]?)(?.*)\k$/su, + "$", + ); + + if (trimmedName) { + items[trimmedName] = true; + } + }); + + return items; + } + + /** + * Extract the directive and the justification from a given directive comment and trim them. + * @param {string} value The comment text to extract. + * @returns {{directivePart: string, justificationPart: string}} The extracted directive and justification. + */ + #extractDirectiveComment(value) { + const match = /\s-{2,}\s/u.exec(value); + + if (!match) { + return { directivePart: value.trim(), justificationPart: "" }; + } + + const directive = value.slice(0, match.index).trim(); + const justification = value.slice(match.index + match[0].length).trim(); + + return { directivePart: directive, justificationPart: justification }; + } + + /** + * Parses a directive comment into directive text and value. + * @param {string} string The string with the directive to be parsed. + * @returns {DirectiveComment|undefined} The parsed directive or `undefined` if the directive is invalid. + */ + parseDirective(string) { + const { directivePart, justificationPart } = + this.#extractDirectiveComment(string); + const match = directivesPattern.exec(directivePart); + + if (!match) { + return undefined; + } + + const directiveText = match[1]; + const directiveValue = directivePart.slice( + match.index + directiveText.length, + ); + + return new DirectiveComment( + directiveText, + directiveValue.trim(), + justificationPart, + ); + } +} + +/** + * @fileoverview A collection of helper classes for implementing `SourceCode`. + * @author Nicholas C. Zakas + */ + +/* eslint class-methods-use-this: off -- Required to complete interface. */ + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + +/** @typedef {$eslintcore.VisitTraversalStep} VisitTraversalStep */ +/** @typedef {$eslintcore.CallTraversalStep} CallTraversalStep */ +/** @typedef {$eslintcore.TraversalStep} TraversalStep */ +/** @typedef {$eslintcore.SourceLocation} SourceLocation */ +/** @typedef {$eslintcore.SourceLocationWithOffset} SourceLocationWithOffset */ +/** @typedef {$eslintcore.SourceRange} SourceRange */ +/** @typedef {$eslintcore.Directive} IDirective */ +/** @typedef {$eslintcore.DirectiveType} DirectiveType */ +/** @typedef {$eslintcore.SourceCodeBaseTypeOptions} SourceCodeBaseTypeOptions */ +/** + * @typedef {import("@eslint/core").TextSourceCode} TextSourceCode + * @template {SourceCodeBaseTypeOptions} [Options=SourceCodeBaseTypeOptions] + */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/** + * Determines if a node has ESTree-style loc information. + * @param {object} node The node to check. + * @returns {node is {loc:SourceLocation}} `true` if the node has ESTree-style loc information, `false` if not. + */ +function hasESTreeStyleLoc(node) { + return "loc" in node; +} + +/** + * Determines if a node has position-style loc information. + * @param {object} node The node to check. + * @returns {node is {position:SourceLocation}} `true` if the node has position-style range information, `false` if not. + */ +function hasPosStyleLoc(node) { + return "position" in node; +} + +/** + * Determines if a node has ESTree-style range information. + * @param {object} node The node to check. + * @returns {node is {range:SourceRange}} `true` if the node has ESTree-style range information, `false` if not. + */ +function hasESTreeStyleRange(node) { + return "range" in node; +} + +/** + * Determines if a node has position-style range information. + * @param {object} node The node to check. + * @returns {node is {position:SourceLocationWithOffset}} `true` if the node has position-style range information, `false` if not. + */ +function hasPosStyleRange(node) { + return "position" in node; +} + +/** + * Performs binary search to find the line number containing a given target index. + * Returns the lower bound - the index of the first element greater than the target. + * **Please note that the `lineStartIndices` should be sorted in ascending order**. + * - Time Complexity: O(log n) - Significantly faster than linear search for large files. + * @param {number[]} lineStartIndices Sorted array of line start indices. + * @param {number} targetIndex The target index to find the line number for. + * @returns {number} The line number for the target index. + */ +function findLineNumberBinarySearch(lineStartIndices, targetIndex) { + let low = 0; + let high = lineStartIndices.length - 1; + + while (low < high) { + const mid = ((low + high) / 2) | 0; // Use bitwise OR to floor the division. + + if (targetIndex < lineStartIndices[mid]) { + high = mid; + } else { + low = mid + 1; + } + } + + return low; +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * A class to represent a step in the traversal process where a node is visited. + * @implements {VisitTraversalStep} + */ +class VisitNodeStep { + /** + * The type of the step. + * @type {"visit"} + * @readonly + */ + type = "visit"; + + /** + * The kind of the step. Represents the same data as the `type` property + * but it's a number for performance. + * @type {1} + * @readonly + */ + kind = 1; + + /** + * The target of the step. + * @type {object} + */ + target; + + /** + * The phase of the step. + * @type {1|2} + */ + phase; + + /** + * The arguments of the step. + * @type {Array} + */ + args; + + /** + * Creates a new instance. + * @param {Object} options The options for the step. + * @param {object} options.target The target of the step. + * @param {1|2} options.phase The phase of the step. + * @param {Array} options.args The arguments of the step. + */ + constructor({ target, phase, args }) { + this.target = target; + this.phase = phase; + this.args = args; + } +} + +/** + * A class to represent a step in the traversal process where a + * method is called. + * @implements {CallTraversalStep} + */ +class CallMethodStep { + /** + * The type of the step. + * @type {"call"} + * @readonly + */ + type = "call"; + + /** + * The kind of the step. Represents the same data as the `type` property + * but it's a number for performance. + * @type {2} + * @readonly + */ + kind = 2; + + /** + * The name of the method to call. + * @type {string} + */ + target; + + /** + * The arguments to pass to the method. + * @type {Array} + */ + args; + + /** + * Creates a new instance. + * @param {Object} options The options for the step. + * @param {string} options.target The target of the step. + * @param {Array} options.args The arguments of the step. + */ + constructor({ target, args }) { + this.target = target; + this.args = args; + } +} + +/** + * A class to represent a directive comment. + * @implements {IDirective} + */ +class Directive { + /** + * The type of directive. + * @type {DirectiveType} + * @readonly + */ + type; + + /** + * The node representing the directive. + * @type {unknown} + * @readonly + */ + node; + + /** + * Everything after the "eslint-disable" portion of the directive, + * but before the "--" that indicates the justification. + * @type {string} + * @readonly + */ + value; + + /** + * The justification for the directive. + * @type {string} + * @readonly + */ + justification; + + /** + * Creates a new instance. + * @param {Object} options The options for the directive. + * @param {"disable"|"enable"|"disable-next-line"|"disable-line"} options.type The type of directive. + * @param {unknown} options.node The node representing the directive. + * @param {string} options.value The value of the directive. + * @param {string} options.justification The justification for the directive. + */ + constructor({ type, node, value, justification }) { + this.type = type; + this.node = node; + this.value = value; + this.justification = justification; + } +} + +/** + * Source Code Base Object + * @template {SourceCodeBaseTypeOptions & {RootNode: object, SyntaxElementWithLoc: object}} [Options=SourceCodeBaseTypeOptions & {RootNode: object, SyntaxElementWithLoc: object}] + * @implements {TextSourceCode} + */ +class TextSourceCodeBase { + /** + * The lines of text in the source code. + * @type {Array} + */ + #lines = []; + + /** + * The indices of the start of each line in the source code. + * @type {Array} + */ + #lineStartIndices = [0]; + + /** + * The pattern to match lineEndings in the source code. + * @type {RegExp} + */ + #lineEndingPattern; + + /** + * The AST of the source code. + * @type {Options['RootNode']} + */ + ast; + + /** + * The text of the source code. + * @type {string} + */ + text; + + /** + * Creates a new instance. + * @param {Object} options The options for the instance. + * @param {string} options.text The source code text. + * @param {Options['RootNode']} options.ast The root AST node. + * @param {RegExp} [options.lineEndingPattern] The pattern to match lineEndings in the source code. Defaults to `/\r?\n/u`. + */ + constructor({ text, ast, lineEndingPattern = /\r?\n/u }) { + this.ast = ast; + this.text = text; + // Remove the global(`g`) and sticky(`y`) flags from the `lineEndingPattern` to avoid issues with lastIndex. + this.#lineEndingPattern = new RegExp( + lineEndingPattern.source, + lineEndingPattern.flags.replace(/[gy]/gu, ""), + ); + } + + /** + * Finds the next line in the source text and updates `#lines` and `#lineStartIndices`. + * @param {string} text The text to search for the next line. + * @returns {boolean} `true` if a next line was found, `false` otherwise. + */ + #findNextLine(text) { + const match = this.#lineEndingPattern.exec(text); + + if (!match) { + return false; + } + + this.#lines.push(text.slice(0, match.index)); + this.#lineStartIndices.push( + (this.#lineStartIndices.at(-1) ?? 0) + + match.index + + match[0].length, + ); + + return true; + } + + /** + * Ensures `#lines` is lazily calculated from the source text. + * @returns {void} + */ + #ensureLines() { + // If `#lines` has already been calculated, do nothing. + if (this.#lines.length === this.#lineStartIndices.length) { + return; + } + + while ( + this.#findNextLine(this.text.slice(this.#lineStartIndices.at(-1))) + ) { + // Continue parsing until no more matches are found. + } + + this.#lines.push(this.text.slice(this.#lineStartIndices.at(-1))); + + Object.freeze(this.#lines); + } + + /** + * Ensures `#lineStartIndices` is lazily calculated up to the specified index. + * @param {number} index The index of a character in a file. + * @returns {void} + */ + #ensureLineStartIndicesFromIndex(index) { + // If we've already parsed up to or beyond this index, do nothing. + if (index <= (this.#lineStartIndices.at(-1) ?? 0)) { + return; + } + + while ( + index > (this.#lineStartIndices.at(-1) ?? 0) && + this.#findNextLine(this.text.slice(this.#lineStartIndices.at(-1))) + ) { + // Continue parsing until no more matches are found. + } + } + + /** + * Ensures `#lineStartIndices` is lazily calculated up to the specified loc. + * @param {Object} loc A line/column location. + * @param {number} loc.line The line number of the location. (0 or 1-indexed based on language.) + * @param {number} lineStart The line number at which the parser starts counting. + * @returns {void} + */ + #ensureLineStartIndicesFromLoc(loc, lineStart) { + // Calculate line indices up to the potentially next line, as it is needed for the follow‑up calculation. + const nextLocLineIndex = loc.line - lineStart + 1; + const lastCalculatedLineIndex = this.#lineStartIndices.length - 1; + let additionalLinesNeeded = nextLocLineIndex - lastCalculatedLineIndex; + + // If we've already parsed up to or beyond this line, do nothing. + if (additionalLinesNeeded <= 0) { + return; + } + + while ( + additionalLinesNeeded > 0 && + this.#findNextLine(this.text.slice(this.#lineStartIndices.at(-1))) + ) { + // Continue parsing until no more matches are found or we have enough lines. + additionalLinesNeeded -= 1; + } + } + + /** + * Returns the loc information for the given node or token. + * @param {Options['SyntaxElementWithLoc']} nodeOrToken The node or token to get the loc information for. + * @returns {SourceLocation} The loc information for the node or token. + * @throws {Error} If the node or token does not have loc information. + */ + getLoc(nodeOrToken) { + if (hasESTreeStyleLoc(nodeOrToken)) { + return nodeOrToken.loc; + } + + if (hasPosStyleLoc(nodeOrToken)) { + return nodeOrToken.position; + } + + throw new Error( + "Custom getLoc() method must be implemented in the subclass.", + ); + } + + /** + * Converts a source text index into a `{ line: number, column: number }` pair. + * @param {number} index The index of a character in a file. + * @throws {TypeError|RangeError} If non-numeric index or index out of range. + * @returns {{line: number, column: number}} A `{ line: number, column: number }` location object with 0 or 1-indexed line and 0 or 1-indexed column based on language. + * @public + */ + getLocFromIndex(index) { + if (typeof index !== "number") { + throw new TypeError("Expected `index` to be a number."); + } + + if (index < 0 || index > this.text.length) { + throw new RangeError( + `Index out of range (requested index ${index}, but source text has length ${this.text.length}).`, + ); + } + + const { + start: { line: lineStart, column: columnStart }, + end: { line: lineEnd, column: columnEnd }, + } = this.getLoc(this.ast); + + // If the index is at the start, return the start location of the root node. + if (index === 0) { + return { + line: lineStart, + column: columnStart, + }; + } + + // If the index is `this.text.length`, return the location one "spot" past the last character of the file. + if (index === this.text.length) { + return { + line: lineEnd, + column: columnEnd, + }; + } + + // Ensure `#lineStartIndices` are lazily calculated. + this.#ensureLineStartIndicesFromIndex(index); + + /* + * To figure out which line `index` is on, determine the last place at which index could + * be inserted into `#lineStartIndices` to keep the list sorted. + */ + const lineNumber = + (index >= (this.#lineStartIndices.at(-1) ?? 0) + ? this.#lineStartIndices.length + : findLineNumberBinarySearch(this.#lineStartIndices, index)) - + 1 + + lineStart; + + return { + line: lineNumber, + column: + index - + this.#lineStartIndices[lineNumber - lineStart] + + columnStart, + }; + } + + /** + * Converts a `{ line: number, column: number }` pair into a source text index. + * @param {Object} loc A line/column location. + * @param {number} loc.line The line number of the location. (0 or 1-indexed based on language.) + * @param {number} loc.column The column number of the location. (0 or 1-indexed based on language.) + * @throws {TypeError|RangeError} If `loc` is not an object with a numeric + * `line` and `column`, if the `line` is less than or equal to zero or + * the `line` or `column` is out of the expected range. + * @returns {number} The index of the line/column location in a file. + * @public + */ + getIndexFromLoc(loc) { + if ( + loc === null || + typeof loc !== "object" || + typeof loc.line !== "number" || + typeof loc.column !== "number" + ) { + throw new TypeError( + "Expected `loc` to be an object with numeric `line` and `column` properties.", + ); + } + + const { + start: { line: lineStart, column: columnStart }, + end: { line: lineEnd, column: columnEnd }, + } = this.getLoc(this.ast); + + if (loc.line < lineStart || lineEnd < loc.line) { + throw new RangeError( + `Line number out of range (line ${loc.line} requested). Valid range: ${lineStart}-${lineEnd}`, + ); + } + + // If the loc is at the start, return the start index of the root node. + if (loc.line === lineStart && loc.column === columnStart) { + return 0; + } + + // If the loc is at the end, return the index one "spot" past the last character of the file. + if (loc.line === lineEnd && loc.column === columnEnd) { + return this.text.length; + } + + // Ensure `#lineStartIndices` are lazily calculated. + this.#ensureLineStartIndicesFromLoc(loc, lineStart); + + const isLastLine = loc.line === lineEnd; + const lineStartIndex = this.#lineStartIndices[loc.line - lineStart]; + const lineEndIndex = isLastLine + ? this.text.length + : this.#lineStartIndices[loc.line - lineStart + 1]; + const positionIndex = lineStartIndex + loc.column - columnStart; + + if ( + loc.column < columnStart || + (isLastLine && positionIndex > lineEndIndex) || + (!isLastLine && positionIndex >= lineEndIndex) + ) { + throw new RangeError( + `Column number out of range (column ${loc.column} requested). Valid range for line ${loc.line}: ${columnStart}-${lineEndIndex - lineStartIndex + columnStart + (isLastLine ? 0 : -1)}`, + ); + } + + return positionIndex; + } + + /** + * Returns the range information for the given node or token. + * @param {Options['SyntaxElementWithLoc']} nodeOrToken The node or token to get the range information for. + * @returns {SourceRange} The range information for the node or token. + * @throws {Error} If the node or token does not have range information. + */ + getRange(nodeOrToken) { + if (hasESTreeStyleRange(nodeOrToken)) { + return nodeOrToken.range; + } + + if (hasPosStyleRange(nodeOrToken)) { + return [ + nodeOrToken.position.start.offset, + nodeOrToken.position.end.offset, + ]; + } + + throw new Error( + "Custom getRange() method must be implemented in the subclass.", + ); + } + + /* eslint-disable no-unused-vars -- Required to complete interface. */ + /** + * Returns the parent of the given node. + * @param {Options['SyntaxElementWithLoc']} node The node to get the parent of. + * @returns {Options['SyntaxElementWithLoc']|undefined} The parent of the node. + * @throws {Error} If the method is not implemented in the subclass. + */ + getParent(node) { + throw new Error("Not implemented."); + } + /* eslint-enable no-unused-vars -- Required to complete interface. */ + + /** + * Gets all the ancestors of a given node + * @param {Options['SyntaxElementWithLoc']} node The node + * @returns {Array} All the ancestor nodes in the AST, not including the provided node, starting + * from the root node at index 0 and going inwards to the parent node. + * @throws {TypeError} When `node` is missing. + */ + getAncestors(node) { + if (!node) { + throw new TypeError("Missing required argument: node."); + } + + const ancestorsStartingAtParent = []; + + for ( + let ancestor = this.getParent(node); + ancestor; + ancestor = this.getParent(ancestor) + ) { + ancestorsStartingAtParent.push(ancestor); + } + + return ancestorsStartingAtParent.reverse(); + } + + /** + * Gets the source code for the given node. + * @param {Options['SyntaxElementWithLoc']} [node] The AST node to get the text for. + * @param {number} [beforeCount] The number of characters before the node to retrieve. + * @param {number} [afterCount] The number of characters after the node to retrieve. + * @returns {string} The text representing the AST node. + * @public + */ + getText(node, beforeCount, afterCount) { + if (node) { + const range = this.getRange(node); + return this.text.slice( + Math.max(range[0] - (beforeCount || 0), 0), + range[1] + (afterCount || 0), + ); + } + return this.text; + } + + /** + * Gets the entire source text split into an array of lines. + * @returns {Array} The source text as an array of lines. + * @public + */ + get lines() { + this.#ensureLines(); // Ensure `#lines` is lazily calculated. + + return this.#lines; + } + + /** + * Traverse the source code and return the steps that were taken. + * @returns {Iterable} The steps that were taken while traversing the source code. + */ + traverse() { + throw new Error("Not implemented."); + } +} + +export { CallMethodStep, ConfigCommentParser, Directive, TextSourceCodeBase, VisitNodeStep }; diff --git a/module/node_modules/@eslint/plugin-kit/dist/esm/types.d.ts b/module/node_modules/@eslint/plugin-kit/dist/esm/types.d.ts new file mode 100644 index 000000000..e4a442a40 --- /dev/null +++ b/module/node_modules/@eslint/plugin-kit/dist/esm/types.d.ts @@ -0,0 +1,6 @@ +/** + * @fileoverview Types for the plugin-kit package. + * @author Nicholas C. Zakas + */ +export type StringConfig = Record; +export type BooleanConfig = Record; diff --git a/module/node_modules/@eslint/plugin-kit/dist/esm/types.ts b/module/node_modules/@eslint/plugin-kit/dist/esm/types.ts new file mode 100644 index 000000000..d3f6a888d --- /dev/null +++ b/module/node_modules/@eslint/plugin-kit/dist/esm/types.ts @@ -0,0 +1,7 @@ +/** + * @fileoverview Types for the plugin-kit package. + * @author Nicholas C. Zakas + */ + +export type StringConfig = Record; +export type BooleanConfig = Record; diff --git a/module/node_modules/@eslint/plugin-kit/package.json b/module/node_modules/@eslint/plugin-kit/package.json new file mode 100644 index 000000000..d1ac94f38 --- /dev/null +++ b/module/node_modules/@eslint/plugin-kit/package.json @@ -0,0 +1,61 @@ +{ + "name": "@eslint/plugin-kit", + "version": "0.4.1", + "description": "Utilities for building ESLint plugins.", + "author": "Nicholas C. Zakas", + "type": "module", + "main": "dist/esm/index.js", + "types": "dist/esm/index.d.ts", + "exports": { + "require": { + "types": "./dist/cjs/index.d.cts", + "default": "./dist/cjs/index.cjs" + }, + "import": { + "types": "./dist/esm/index.d.ts", + "default": "./dist/esm/index.js" + } + }, + "files": [ + "dist" + ], + "publishConfig": { + "access": "public" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/eslint/rewrite.git", + "directory": "packages/plugin-kit" + }, + "bugs": { + "url": "https://github.com/eslint/rewrite/issues" + }, + "homepage": "https://github.com/eslint/rewrite/tree/main/packages/plugin-kit#readme", + "scripts": { + "build:dedupe-types": "node ../../tools/dedupe-types.js dist/cjs/index.cjs dist/esm/index.js", + "build:cts": "node ../../tools/build-cts.js dist/esm/index.d.ts dist/cjs/index.d.cts", + "build": "rollup -c && npm run build:dedupe-types && tsc -p tsconfig.esm.json && npm run build:cts", + "pretest": "npm run build", + "test": "mocha \"tests/**/*.test.js\"", + "test:coverage": "c8 npm test", + "test:jsr": "npx jsr@latest publish --dry-run", + "test:types": "tsc -p tests/types/tsconfig.json" + }, + "keywords": [ + "eslint", + "eslintplugin", + "eslint-plugin" + ], + "license": "Apache-2.0", + "dependencies": { + "@eslint/core": "^0.17.0", + "levn": "^0.4.1" + }, + "devDependencies": { + "@types/levn": "^0.4.0", + "rollup-plugin-copy": "^3.5.0" + }, + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + } +} diff --git a/module/node_modules/@humanfs/core/LICENSE b/module/node_modules/@humanfs/core/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/module/node_modules/@humanfs/core/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/module/node_modules/@humanfs/core/README.md b/module/node_modules/@humanfs/core/README.md new file mode 100644 index 000000000..4f86d14d6 --- /dev/null +++ b/module/node_modules/@humanfs/core/README.md @@ -0,0 +1,140 @@ +# `@humanfs/core` + +by [Nicholas C. Zakas](https://humanwhocodes.com) + +If you find this useful, please consider supporting my work with a [donation](https://humanwhocodes.com/donate) or [nominate me](https://stars.github.com/nominate/) for a GitHub Star. + +## Description + +The core functionality for humanfs that is shared across all implementations for all runtimes. The contents of this package are intentionally runtime agnostic and are not intended to be used alone. + +Currently, this package simply exports the `Hfs` class, which is an abstract base class intended to be inherited from in runtime-specific hfs packages (like `@humanfs/node`). + +> [!WARNING] +> This project is **experimental** and may change significantly before v1.0.0. Use at your own caution and definitely not in production! + +## Installation + +### Node.js + +Install using your favorite package manager for Node.js: + +```shell +npm install @humanfs/core + +# or + +pnpm install @humanfs/core + +# or + +yarn add @humanfs/core + +# or + +bun install @humanfs/core +``` + +Then you can import the `Hfs` and `Path` classes like this: + +```js +import { Hfs, Path } from "@humanfs/core"; +``` + +### Deno + +Install using [JSR](https://jsr.io): + +```shell +deno add @humanfs/core + +# or + +jsr add @humanfs/core +``` + +Then you can import the `Hfs` class like this: + +```js +import { Hfs, Path } from "@humanfs/core"; +``` + +### Browser + +It's recommended to import the minified version to save bandwidth: + +```js +import { Hfs, Path } from "https://cdn.skypack.dev/@humanfs/core?min"; +``` + +However, you can also import the unminified version for debugging purposes: + +```js +import { Hfs, Path } from "https://cdn.skypack.dev/@humanfs/core"; +``` + +## Usage + +### `Hfs` Class + +The `Hfs` class contains all of the basic functionality for an `Hfs` instance *without* a predefined impl. This class is mostly used for creating runtime-specific impls, such as `NodeHfs` and `DenoHfs`. + +You can create your own instance by providing an `impl` directly: + +```js +const hfs = new Hfs({ impl: { async text() {} }}); +``` + +The specified `impl` becomes the base impl for the instance, meaning you can always reset back to it using `resetImpl()`. + +You can also inherit from `Hfs` to create your own class with a preconfigured impl, such as: + +```js +class MyHfs extends Hfs { + constructor() { + super({ + impl: myImpl + }); + } +} +``` + +### `Path` Class + +The `Path` class represents the path to a directory or file within a file system. It's an abstract representation that can be used even outside of traditional file systems where string paths might not make sense. + +```js +const myPath = new Path(["dir", "subdir"]); +console.log(myPath.toString()); // "dir/subdir" + +// add another step +myPath.push("file.txt"); +console.log(myPath.toString()); // "dir/subdir/file.txt" + +// get just the last step +console.log(myPath.name); // "file.txt" + +// change just the last step +myPath.name = "file.json"; +console.log(myPath.name); // "file.json" +console.log(myPath.toString()); // "dir/subdir/file.json" + +// get the size of the path +console.log(myPath.size); // 3 + +// remove the last step +myPath.pop(); +console.log(myPath.toString()); // "dir/subdir" + +// iterate over the steps +for (const step of myPath) { + // do something +} + +// create a new path from a string +const newPath = Path.fromString("/foo/bar"); +``` + +## License + +Apache 2.0 diff --git a/module/node_modules/@humanfs/core/dist/errors.d.ts b/module/node_modules/@humanfs/core/dist/errors.d.ts new file mode 100644 index 000000000..c885bbf4f --- /dev/null +++ b/module/node_modules/@humanfs/core/dist/errors.d.ts @@ -0,0 +1,64 @@ +/** + * @fileoverview Common error classes + * @author Nicholas C. Zakas + */ +/** + * Error thrown when a file or directory is not found. + */ +export class NotFoundError extends Error { + /** + * Creates a new instance. + * @param {string} message The error message. + */ + constructor(message: string); + /** + * Error code. + * @type {string} + */ + code: string; +} +/** + * Error thrown when an operation is not permitted. + */ +export class PermissionError extends Error { + /** + * Creates a new instance. + * @param {string} message The error message. + */ + constructor(message: string); + /** + * Error code. + * @type {string} + */ + code: string; +} +/** + * Error thrown when an operation is not allowed on a directory. + */ +export class DirectoryError extends Error { + /** + * Creates a new instance. + * @param {string} message The error message. + */ + constructor(message: string); + /** + * Error code. + * @type {string} + */ + code: string; +} +/** + * Error thrown when a directory is not empty. + */ +export class NotEmptyError extends Error { + /** + * Creates a new instance. + * @param {string} message The error message. + */ + constructor(message: string); + /** + * Error code. + * @type {string} + */ + code: string; +} diff --git a/module/node_modules/@humanfs/core/dist/fsx.d.ts b/module/node_modules/@humanfs/core/dist/fsx.d.ts new file mode 100644 index 000000000..ef85093a9 --- /dev/null +++ b/module/node_modules/@humanfs/core/dist/fsx.d.ts @@ -0,0 +1,193 @@ +/** + * @fileoverview The main file for the hfs package. + * @author Nicholas C. Zakas + */ +/** @typedef{import("@humanfs/types").HfsImpl} HfsImpl */ +/** @typedef{import("@humanfs/types").HfsDirectoryEntry} HfsDirectoryEntry */ +/** + * Error to represent when a method is missing on an impl. + */ +export class NoSuchMethodError extends Error { + /** + * Creates a new instance. + * @param {string} methodName The name of the method that was missing. + */ + constructor(methodName: string); +} +/** + * Error to represent when an impl is already set. + */ +export class ImplAlreadySetError extends Error { + /** + * Creates a new instance. + */ + constructor(); +} +/** + * A class representing a log entry. + */ +export class LogEntry { + /** + * Creates a new instance. + * @param {string} type The type of log entry. + * @param {any} [data] The data associated with the log entry. + */ + constructor(type: string, data?: any); + /** + * The time at which the log entry was created. + * @type {number} + */ + timestamp: number; + methodName: string; + data: any; + #private; +} +/** + * A class representing a file system utility library. + * @implements {HfsImpl} + */ +export class Hfs implements HfsImpl { + /** + * Creates a new instance. + * @param {object} options The options for the instance. + * @param {HfsImpl} options.impl The implementation to use. + */ + constructor({ impl }: { + impl: HfsImpl; + }); + /** + * Starts a new log with the given name. + * @param {string} name The name of the log to start; + * @returns {void} + * @throws {Error} When the log already exists. + * @throws {TypeError} When the name is not a non-empty string. + */ + logStart(name: string): void; + /** + * Ends a log with the given name and returns the entries. + * @param {string} name The name of the log to end. + * @returns {Array} The entries in the log. + * @throws {Error} When the log does not exist. + */ + logEnd(name: string): Array; + /** + * Determines if the current implementation is the base implementation. + * @returns {boolean} True if the current implementation is the base implementation. + */ + isBaseImpl(): boolean; + /** + * Sets the implementation for this instance. + * @param {object} impl The implementation to use. + * @returns {void} + */ + setImpl(impl: object): void; + /** + * Resets the implementation for this instance back to its original. + * @returns {void} + */ + resetImpl(): void; + /** + * Reads the given file and returns the contents as text. Assumes UTF-8 encoding. + * @param {string} filePath The file to read. + * @returns {Promise} The contents of the file. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + text(filePath: string): Promise; + /** + * Reads the given file and returns the contents as JSON. Assumes UTF-8 encoding. + * @param {string} filePath The file to read. + * @returns {Promise} The contents of the file as JSON. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {SyntaxError} When the file contents are not valid JSON. + * @throws {TypeError} When the file path is not a non-empty string. + */ + json(filePath: string): Promise; + /** + * Reads the given file and returns the contents as an ArrayBuffer. + * @param {string} filePath The file to read. + * @returns {Promise} The contents of the file as an ArrayBuffer. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + * @deprecated Use bytes() instead. + */ + arrayBuffer(filePath: string): Promise; + /** + * Reads the given file and returns the contents as an Uint8Array. + * @param {string} filePath The file to read. + * @returns {Promise} The contents of the file as an Uint8Array. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + bytes(filePath: string): Promise; + /** + * Writes the given data to the given file. Creates any necessary directories along the way. + * If the data is a string, UTF-8 encoding is used. + * @param {string} filePath The file to write. + * @param {any} contents The data to write. + * @returns {Promise} A promise that resolves when the file is written. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + write(filePath: string, contents: any): Promise; + /** + * Determines if the given file exists. + * @param {string} filePath The file to check. + * @returns {Promise} True if the file exists. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + isFile(filePath: string): Promise; + /** + * Determines if the given directory exists. + * @param {string} dirPath The directory to check. + * @returns {Promise} True if the directory exists. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the directory path is not a non-empty string. + */ + isDirectory(dirPath: string): Promise; + /** + * Creates the given directory. + * @param {string} dirPath The directory to create. + * @returns {Promise} A promise that resolves when the directory is created. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the directory path is not a non-empty string. + */ + createDirectory(dirPath: string): Promise; + /** + * Deletes the given file. + * @param {string} filePath The file to delete. + * @returns {Promise} A promise that resolves when the file is deleted. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + delete(filePath: string): Promise; + /** + * Deletes the given directory. + * @param {string} dirPath The directory to delete. + * @returns {Promise} A promise that resolves when the directory is deleted. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the directory path is not a non-empty string. + */ + deleteAll(dirPath: string): Promise; + /** + * Returns a list of directory entries for the given path. + * @param {string} dirPath The path to the directory to read. + * @returns {AsyncIterable} A promise that resolves with the + * directory entries. + * @throws {TypeError} If the directory path is not a string. + * @throws {Error} If the directory cannot be read. + */ + list(dirPath: string): AsyncIterable; + /** + * Returns the size of the given file. + * @param {string} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the size of the file. + * @throws {TypeError} If the file path is not a string. + * @throws {Error} If the file cannot be read. + */ + size(filePath: string): Promise; + #private; +} +export type HfsImpl = import("@humanfs/types").HfsImpl; +export type HfsDirectoryEntry = import("@humanfs/types").HfsDirectoryEntry; diff --git a/module/node_modules/@humanfs/core/dist/hfs.d.ts b/module/node_modules/@humanfs/core/dist/hfs.d.ts new file mode 100644 index 000000000..69ec3681a --- /dev/null +++ b/module/node_modules/@humanfs/core/dist/hfs.d.ts @@ -0,0 +1,288 @@ +/** + * Error to represent when a method is missing on an impl. + */ +export class NoSuchMethodError extends Error { + /** + * Creates a new instance. + * @param {string} methodName The name of the method that was missing. + */ + constructor(methodName: string); +} +/** + * Error to represent when a method is not supported on an impl. This happens + * when a method on `Hfs` is called with one name and the corresponding method + * on the impl has a different name. (Example: `text()` and `bytes()`.) + */ +export class MethodNotSupportedError extends Error { + /** + * Creates a new instance. + * @param {string} methodName The name of the method that was missing. + */ + constructor(methodName: string); +} +/** + * Error to represent when an impl is already set. + */ +export class ImplAlreadySetError extends Error { + /** + * Creates a new instance. + */ + constructor(); +} +/** + * A class representing a log entry. + */ +export class LogEntry { + /** + * Creates a new instance. + * @param {string} type The type of log entry. + * @param {any} [data] The data associated with the log entry. + */ + constructor(type: string, data?: any); + /** + * The type of log entry. + * @type {string} + */ + type: string; + /** + * The data associated with the log entry. + * @type {any} + */ + data: any; + /** + * The time at which the log entry was created. + * @type {number} + */ + timestamp: number; +} +/** + * A class representing a file system utility library. + * @implements {HfsImpl} + */ +export class Hfs implements HfsImpl { + /** + * Creates a new instance. + * @param {object} options The options for the instance. + * @param {HfsImpl} options.impl The implementation to use. + */ + constructor({ impl }: { + impl: HfsImpl; + }); + /** + * Starts a new log with the given name. + * @param {string} name The name of the log to start; + * @returns {void} + * @throws {Error} When the log already exists. + * @throws {TypeError} When the name is not a non-empty string. + */ + logStart(name: string): void; + /** + * Ends a log with the given name and returns the entries. + * @param {string} name The name of the log to end. + * @returns {Array} The entries in the log. + * @throws {Error} When the log does not exist. + */ + logEnd(name: string): Array; + /** + * Determines if the current implementation is the base implementation. + * @returns {boolean} True if the current implementation is the base implementation. + */ + isBaseImpl(): boolean; + /** + * Sets the implementation for this instance. + * @param {object} impl The implementation to use. + * @returns {void} + */ + setImpl(impl: object): void; + /** + * Resets the implementation for this instance back to its original. + * @returns {void} + */ + resetImpl(): void; + /** + * Reads the given file and returns the contents as text. Assumes UTF-8 encoding. + * @param {string|URL} filePath The file to read. + * @returns {Promise} The contents of the file. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + text(filePath: string | URL): Promise; + /** + * Reads the given file and returns the contents as JSON. Assumes UTF-8 encoding. + * @param {string|URL} filePath The file to read. + * @returns {Promise} The contents of the file as JSON. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {SyntaxError} When the file contents are not valid JSON. + * @throws {TypeError} When the file path is not a non-empty string. + */ + json(filePath: string | URL): Promise; + /** + * Reads the given file and returns the contents as an ArrayBuffer. + * @param {string|URL} filePath The file to read. + * @returns {Promise} The contents of the file as an ArrayBuffer. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + * @deprecated Use bytes() instead. + */ + arrayBuffer(filePath: string | URL): Promise; + /** + * Reads the given file and returns the contents as an Uint8Array. + * @param {string|URL} filePath The file to read. + * @returns {Promise} The contents of the file as an Uint8Array. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + bytes(filePath: string | URL): Promise; + /** + * Writes the given data to the given file. Creates any necessary directories along the way. + * If the data is a string, UTF-8 encoding is used. + * @param {string|URL} filePath The file to write. + * @param {string|ArrayBuffer|ArrayBufferView} contents The data to write. + * @returns {Promise} A promise that resolves when the file is written. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + write(filePath: string | URL, contents: string | ArrayBuffer | ArrayBufferView): Promise; + /** + * Appends the given data to the given file. Creates any necessary directories along the way. + * If the data is a string, UTF-8 encoding is used. + * @param {string|URL} filePath The file to append to. + * @param {string|ArrayBuffer|ArrayBufferView} contents The data to append. + * @returns {Promise} A promise that resolves when the file is appended to. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + * @throws {TypeError} When the file contents are not a string or ArrayBuffer. + * @throws {Error} When the file cannot be appended to. + */ + append(filePath: string | URL, contents: string | ArrayBuffer | ArrayBufferView): Promise; + /** + * Determines if the given file exists. + * @param {string|URL} filePath The file to check. + * @returns {Promise} True if the file exists. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + isFile(filePath: string | URL): Promise; + /** + * Determines if the given directory exists. + * @param {string|URL} dirPath The directory to check. + * @returns {Promise} True if the directory exists. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the directory path is not a non-empty string. + */ + isDirectory(dirPath: string | URL): Promise; + /** + * Creates the given directory. + * @param {string|URL} dirPath The directory to create. + * @returns {Promise} A promise that resolves when the directory is created. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the directory path is not a non-empty string. + */ + createDirectory(dirPath: string | URL): Promise; + /** + * Deletes the given file or empty directory. + * @param {string|URL} filePath The file to delete. + * @returns {Promise} A promise that resolves when the file or + * directory is deleted, true if the file or directory is deleted, false + * if the file or directory does not exist. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + delete(filePath: string | URL): Promise; + /** + * Deletes the given file or directory recursively. + * @param {string|URL} dirPath The directory to delete. + * @returns {Promise} A promise that resolves when the file or + * directory is deleted, true if the file or directory is deleted, false + * if the file or directory does not exist. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the directory path is not a non-empty string. + */ + deleteAll(dirPath: string | URL): Promise; + /** + * Returns a list of directory entries for the given path. + * @param {string|URL} dirPath The path to the directory to read. + * @returns {AsyncIterable} A promise that resolves with the + * directory entries. + * @throws {TypeError} If the directory path is not a string or URL. + * @throws {Error} If the directory cannot be read. + */ + list(dirPath: string | URL): AsyncIterable; + /** + * Walks a directory using a depth-first traversal and returns the entries + * from the traversal. + * @param {string|URL} dirPath The path to the directory to walk. + * @param {Object} [options] The options for the walk. + * @param {(entry:HfsWalkEntry) => Promise|boolean} [options.directoryFilter] A filter function to determine + * if a directory's entries should be included in the walk. + * @param {(entry:HfsWalkEntry) => Promise|boolean} [options.entryFilter] A filter function to determine if + * an entry should be included in the walk. + * @returns {AsyncIterable} A promise that resolves with the + * directory entries. + * @throws {TypeError} If the directory path is not a string or URL. + * @throws {Error} If the directory cannot be read. + */ + walk(dirPath: string | URL, { directoryFilter, entryFilter }?: { + directoryFilter?: (entry: HfsWalkEntry) => Promise | boolean; + entryFilter?: (entry: HfsWalkEntry) => Promise | boolean; + }): AsyncIterable; + /** + * Returns the size of the given file. + * @param {string|URL} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the size of the file. + * @throws {TypeError} If the file path is not a string or URL. + * @throws {Error} If the file cannot be read. + */ + size(filePath: string | URL): Promise; + /** + * Returns the last modified timestamp of the given file or directory. + * @param {string|URL} fileOrDirPath The path to the file or directory. + * @returns {Promise} A promise that resolves with the last modified date + * or undefined if the file or directory does not exist. + * @throws {TypeError} If the path is not a string or URL. + */ + lastModified(fileOrDirPath: string | URL): Promise; + /** + * Copys a file from one location to another. + * @param {string|URL} source The path to the file to copy. + * @param {string|URL} destination The path to the new file. + * @returns {Promise} A promise that resolves when the file is copied. + * @throws {TypeError} If the file path is not a string or URL. + * @throws {Error} If the file cannot be copied. + */ + copy(source: string | URL, destination: string | URL): Promise; + /** + * Copies a file or directory from one location to another. + * @param {string|URL} source The path to the file or directory to copy. + * @param {string|URL} destination The path to copy the file or directory to. + * @returns {Promise} A promise that resolves when the file or directory is + * copied. + * @throws {TypeError} If the directory path is not a string or URL. + * @throws {Error} If the directory cannot be copied. + */ + copyAll(source: string | URL, destination: string | URL): Promise; + /** + * Moves a file from the source path to the destination path. + * @param {string|URL} source The location of the file to move. + * @param {string|URL} destination The destination of the file to move. + * @returns {Promise} A promise that resolves when the move is complete. + * @throws {TypeError} If the file or directory paths are not strings. + * @throws {Error} If the file or directory cannot be moved. + */ + move(source: string | URL, destination: string | URL): Promise; + /** + * Moves a file or directory from one location to another. + * @param {string|URL} source The path to the file or directory to move. + * @param {string|URL} destination The path to move the file or directory to. + * @returns {Promise} A promise that resolves when the file or directory is + * moved. + * @throws {TypeError} If the source is not a string or URL. + * @throws {TypeError} If the destination is not a string or URL. + * @throws {Error} If the file or directory cannot be moved. + */ + moveAll(source: string | URL, destination: string | URL): Promise; + #private; +} +export type HfsImpl = import("@humanfs/types").HfsImpl; +export type HfsDirectoryEntry = import("@humanfs/types").HfsDirectoryEntry; +export type HfsWalkEntry = import("@humanfs/types").HfsWalkEntry; diff --git a/module/node_modules/@humanfs/core/dist/index.d.ts b/module/node_modules/@humanfs/core/dist/index.d.ts new file mode 100644 index 000000000..d2dd30f16 --- /dev/null +++ b/module/node_modules/@humanfs/core/dist/index.d.ts @@ -0,0 +1,3 @@ +export { Hfs } from "./hfs.js"; +export { Path } from "./path.js"; +export * from "./errors.js"; diff --git a/module/node_modules/@humanfs/core/dist/path.d.ts b/module/node_modules/@humanfs/core/dist/path.d.ts new file mode 100644 index 000000000..6e29395ba --- /dev/null +++ b/module/node_modules/@humanfs/core/dist/path.d.ts @@ -0,0 +1,82 @@ +export class Path { + /** + * Creates a new path based on the argument type. If the argument is a string, + * it is assumed to be a file or directory path and is converted to a Path + * instance. If the argument is a URL, it is assumed to be a file URL and is + * converted to a Path instance. If the argument is a Path instance, it is + * copied into a new Path instance. If the argument is an array, it is assumed + * to be the steps of a path and is used to create a new Path instance. + * @param {string|URL|Path|Array} pathish The value to convert to a Path instance. + * @returns {Path} A new Path instance. + * @throws {TypeError} When pathish is not a string, URL, Path, or Array. + * @throws {TypeError} When pathish is a string and is empty. + */ + static from(pathish: string | URL | Path | Array): Path; + /** + * Creates a new Path instance from a string. + * @param {string} fileOrDirPath The file or directory path to convert. + * @returns {Path} A new Path instance. + * @deprecated Use Path.from() instead. + */ + static fromString(fileOrDirPath: string): Path; + /** + * Creates a new Path instance from a URL. + * @param {URL} url The URL to convert. + * @returns {Path} A new Path instance. + * @throws {TypeError} When url is not a URL instance. + * @throws {TypeError} When url.pathname is empty. + * @throws {TypeError} When url.protocol is not "file:". + * @deprecated Use Path.from() instead. + */ + static fromURL(url: URL): Path; + /** + * Creates a new instance. + * @param {Iterable} [steps] The steps to use for the path. + * @throws {TypeError} When steps is not iterable. + */ + constructor(steps?: Iterable); + /** + * Adds steps to the end of the path. + * @param {...string} steps The steps to add to the path. + * @returns {void} + */ + push(...steps: string[]): void; + /** + * Removes the last step from the path. + * @returns {string} The last step in the path. + */ + pop(): string; + /** + * Returns an iterator for steps in the path. + * @returns {IterableIterator} An iterator for the steps in the path. + */ + steps(): IterableIterator; + /** + * Sets the name (the last step) of the path. + * @type {string} + */ + set name(value: string); + /** + * Retrieves the name (the last step) of the path. + * @type {string} + */ + get name(): string; + /** + * Retrieves the size of the path. + * @type {number} + */ + get size(): number; + /** + * Returns the path as a string. + * @returns {string} The path as a string. + */ + toString(): string; + /** + * Returns an iterator for the steps in the path. + * @returns {IterableIterator} An iterator for the steps in the path. + */ + [Symbol.iterator](): IterableIterator; + #private; +} +export type HfsImpl = import("@humanfs/types").HfsImpl; +export type HfsDirectoryEntry = import("@humanfs/types").HfsDirectoryEntry; diff --git a/module/node_modules/@humanfs/core/package.json b/module/node_modules/@humanfs/core/package.json new file mode 100644 index 000000000..e1f9f40fc --- /dev/null +++ b/module/node_modules/@humanfs/core/package.json @@ -0,0 +1,52 @@ +{ + "name": "@humanfs/core", + "version": "0.19.1", + "description": "The core of the humanfs library.", + "type": "module", + "main": "dist/index.js", + "types": "dist/index.d.ts", + "exports": { + "import": { + "types": "./dist/index.d.ts", + "default": "./src/index.js" + } + }, + "files": [ + "dist", + "src" + ], + "scripts": { + "build": "tsc", + "prepare": "npm run build", + "pretest": "npm run build", + "test": "c8 mocha tests" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/humanwhocodes/humanfs.git" + }, + "publishConfig": { + "access": "public" + }, + "keywords": [ + "filesystem", + "fs", + "hfs", + "files" + ], + "author": "Nicholas C. Zakas", + "license": "Apache-2.0", + "bugs": { + "url": "https://github.com/humanwhocodes/humanfs/issues" + }, + "homepage": "https://github.com/humanwhocodes/humanfs#readme", + "engines": { + "node": ">=18.18.0" + }, + "devDependencies": { + "@humanfs/types": "^0.15.0", + "c8": "^9.0.0", + "mocha": "^10.2.0", + "typescript": "^5.2.2" + } +} diff --git a/module/node_modules/@humanfs/core/src/errors.js b/module/node_modules/@humanfs/core/src/errors.js new file mode 100644 index 000000000..8fb35be7c --- /dev/null +++ b/module/node_modules/@humanfs/core/src/errors.js @@ -0,0 +1,105 @@ +/** + * @fileoverview Common error classes + * @author Nicholas C. Zakas + */ + +/** + * Error thrown when a file or directory is not found. + */ +export class NotFoundError extends Error { + /** + * Name of the error class. + * @type {string} + */ + name = "NotFoundError"; + + /** + * Error code. + * @type {string} + */ + code = "ENOENT"; + + /** + * Creates a new instance. + * @param {string} message The error message. + */ + constructor(message) { + super(`ENOENT: No such file or directory, ${message}`); + } +} + +/** + * Error thrown when an operation is not permitted. + */ +export class PermissionError extends Error { + /** + * Name of the error class. + * @type {string} + */ + name = "PermissionError"; + + /** + * Error code. + * @type {string} + */ + code = "EPERM"; + + /** + * Creates a new instance. + * @param {string} message The error message. + */ + constructor(message) { + super(`EPERM: Operation not permitted, ${message}`); + } +} + +/** + * Error thrown when an operation is not allowed on a directory. + */ + +export class DirectoryError extends Error { + /** + * Name of the error class. + * @type {string} + */ + name = "DirectoryError"; + + /** + * Error code. + * @type {string} + */ + code = "EISDIR"; + + /** + * Creates a new instance. + * @param {string} message The error message. + */ + constructor(message) { + super(`EISDIR: Illegal operation on a directory, ${message}`); + } +} + +/** + * Error thrown when a directory is not empty. + */ +export class NotEmptyError extends Error { + /** + * Name of the error class. + * @type {string} + */ + name = "NotEmptyError"; + + /** + * Error code. + * @type {string} + */ + code = "ENOTEMPTY"; + + /** + * Creates a new instance. + * @param {string} message The error message. + */ + constructor(message) { + super(`ENOTEMPTY: Directory not empty, ${message}`); + } +} diff --git a/module/node_modules/@humanfs/core/src/hfs.js b/module/node_modules/@humanfs/core/src/hfs.js new file mode 100644 index 000000000..38ee31c56 --- /dev/null +++ b/module/node_modules/@humanfs/core/src/hfs.js @@ -0,0 +1,699 @@ +/** + * @fileoverview The main file for the humanfs package. + * @author Nicholas C. Zakas + */ + +/* global URL, TextDecoder, TextEncoder */ + +//----------------------------------------------------------------------------- +// Types +//----------------------------------------------------------------------------- + +/** @typedef {import("@humanfs/types").HfsImpl} HfsImpl */ +/** @typedef {import("@humanfs/types").HfsDirectoryEntry} HfsDirectoryEntry */ +/** @typedef {import("@humanfs/types").HfsWalkEntry} HfsWalkEntry */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const decoder = new TextDecoder(); +const encoder = new TextEncoder(); + +/** + * Error to represent when a method is missing on an impl. + */ +export class NoSuchMethodError extends Error { + /** + * Creates a new instance. + * @param {string} methodName The name of the method that was missing. + */ + constructor(methodName) { + super(`Method "${methodName}" does not exist on impl.`); + } +} + +/** + * Error to represent when a method is not supported on an impl. This happens + * when a method on `Hfs` is called with one name and the corresponding method + * on the impl has a different name. (Example: `text()` and `bytes()`.) + */ +export class MethodNotSupportedError extends Error { + /** + * Creates a new instance. + * @param {string} methodName The name of the method that was missing. + */ + constructor(methodName) { + super(`Method "${methodName}" is not supported on this impl.`); + } +} + +/** + * Error to represent when an impl is already set. + */ +export class ImplAlreadySetError extends Error { + /** + * Creates a new instance. + */ + constructor() { + super(`Implementation already set.`); + } +} + +/** + * Asserts that the given path is a valid file path. + * @param {any} fileOrDirPath The path to check. + * @returns {void} + * @throws {TypeError} When the path is not a non-empty string. + */ +function assertValidFileOrDirPath(fileOrDirPath) { + if ( + !fileOrDirPath || + (!(fileOrDirPath instanceof URL) && typeof fileOrDirPath !== "string") + ) { + throw new TypeError("Path must be a non-empty string or URL."); + } +} + +/** + * Asserts that the given file contents are valid. + * @param {any} contents The contents to check. + * @returns {void} + * @throws {TypeError} When the contents are not a string or ArrayBuffer. + */ +function assertValidFileContents(contents) { + if ( + typeof contents !== "string" && + !(contents instanceof ArrayBuffer) && + !ArrayBuffer.isView(contents) + ) { + throw new TypeError( + "File contents must be a string, ArrayBuffer, or ArrayBuffer view.", + ); + } +} + +/** + * Converts the given contents to Uint8Array. + * @param {any} contents The data to convert. + * @returns {Uint8Array} The converted Uint8Array. + * @throws {TypeError} When the contents are not a string or ArrayBuffer. + */ +function toUint8Array(contents) { + if (contents instanceof Uint8Array) { + return contents; + } + + if (typeof contents === "string") { + return encoder.encode(contents); + } + + if (contents instanceof ArrayBuffer) { + return new Uint8Array(contents); + } + + if (ArrayBuffer.isView(contents)) { + const bytes = contents.buffer.slice( + contents.byteOffset, + contents.byteOffset + contents.byteLength, + ); + return new Uint8Array(bytes); + } + throw new TypeError( + "Invalid contents type. Expected string or ArrayBuffer.", + ); +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * A class representing a log entry. + */ +export class LogEntry { + /** + * The type of log entry. + * @type {string} + */ + type; + + /** + * The data associated with the log entry. + * @type {any} + */ + data; + + /** + * The time at which the log entry was created. + * @type {number} + */ + timestamp = Date.now(); + + /** + * Creates a new instance. + * @param {string} type The type of log entry. + * @param {any} [data] The data associated with the log entry. + */ + constructor(type, data) { + this.type = type; + this.data = data; + } +} + +/** + * A class representing a file system utility library. + * @implements {HfsImpl} + */ +export class Hfs { + /** + * The base implementation for this instance. + * @type {HfsImpl} + */ + #baseImpl; + + /** + * The current implementation for this instance. + * @type {HfsImpl} + */ + #impl; + + /** + * A map of log names to their corresponding entries. + * @type {Map>} + */ + #logs = new Map(); + + /** + * Creates a new instance. + * @param {object} options The options for the instance. + * @param {HfsImpl} options.impl The implementation to use. + */ + constructor({ impl }) { + this.#baseImpl = impl; + this.#impl = impl; + } + + /** + * Logs an entry onto all currently open logs. + * @param {string} methodName The name of the method being called. + * @param {...*} args The arguments to the method. + * @returns {void} + */ + #log(methodName, ...args) { + for (const logs of this.#logs.values()) { + logs.push(new LogEntry("call", { methodName, args })); + } + } + + /** + * Starts a new log with the given name. + * @param {string} name The name of the log to start; + * @returns {void} + * @throws {Error} When the log already exists. + * @throws {TypeError} When the name is not a non-empty string. + */ + logStart(name) { + if (!name || typeof name !== "string") { + throw new TypeError("Log name must be a non-empty string."); + } + + if (this.#logs.has(name)) { + throw new Error(`Log "${name}" already exists.`); + } + + this.#logs.set(name, []); + } + + /** + * Ends a log with the given name and returns the entries. + * @param {string} name The name of the log to end. + * @returns {Array} The entries in the log. + * @throws {Error} When the log does not exist. + */ + logEnd(name) { + if (this.#logs.has(name)) { + const logs = this.#logs.get(name); + this.#logs.delete(name); + return logs; + } + + throw new Error(`Log "${name}" does not exist.`); + } + + /** + * Determines if the current implementation is the base implementation. + * @returns {boolean} True if the current implementation is the base implementation. + */ + isBaseImpl() { + return this.#impl === this.#baseImpl; + } + + /** + * Sets the implementation for this instance. + * @param {object} impl The implementation to use. + * @returns {void} + */ + setImpl(impl) { + this.#log("implSet", impl); + + if (this.#impl !== this.#baseImpl) { + throw new ImplAlreadySetError(); + } + + this.#impl = impl; + } + + /** + * Resets the implementation for this instance back to its original. + * @returns {void} + */ + resetImpl() { + this.#log("implReset"); + this.#impl = this.#baseImpl; + } + + /** + * Asserts that the given method exists on the current implementation. + * @param {string} methodName The name of the method to check. + * @returns {void} + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + */ + #assertImplMethod(methodName) { + if (typeof this.#impl[methodName] !== "function") { + throw new NoSuchMethodError(methodName); + } + } + + /** + * Asserts that the given method exists on the current implementation, and if not, + * throws an error with a different method name. + * @param {string} methodName The name of the method to check. + * @param {string} targetMethodName The name of the method that should be reported + * as an error when methodName does not exist. + * @returns {void} + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + */ + #assertImplMethodAlt(methodName, targetMethodName) { + if (typeof this.#impl[methodName] !== "function") { + throw new MethodNotSupportedError(targetMethodName); + } + } + + /** + * Calls the given method on the current implementation. + * @param {string} methodName The name of the method to call. + * @param {...any} args The arguments to the method. + * @returns {any} The return value from the method. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + */ + #callImplMethod(methodName, ...args) { + this.#log(methodName, ...args); + this.#assertImplMethod(methodName); + return this.#impl[methodName](...args); + } + + /** + * Calls the given method on the current implementation and doesn't log the call. + * @param {string} methodName The name of the method to call. + * @param {...any} args The arguments to the method. + * @returns {any} The return value from the method. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + */ + #callImplMethodWithoutLog(methodName, ...args) { + this.#assertImplMethod(methodName); + return this.#impl[methodName](...args); + } + + /** + * Calls the given method on the current implementation but logs a different method name. + * @param {string} methodName The name of the method to call. + * @param {string} targetMethodName The name of the method to log. + * @param {...any} args The arguments to the method. + * @returns {any} The return value from the method. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + */ + #callImplMethodAlt(methodName, targetMethodName, ...args) { + this.#log(targetMethodName, ...args); + this.#assertImplMethodAlt(methodName, targetMethodName); + return this.#impl[methodName](...args); + } + + /** + * Reads the given file and returns the contents as text. Assumes UTF-8 encoding. + * @param {string|URL} filePath The file to read. + * @returns {Promise} The contents of the file. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + async text(filePath) { + assertValidFileOrDirPath(filePath); + + const result = await this.#callImplMethodAlt("bytes", "text", filePath); + return result ? decoder.decode(result) : undefined; + } + + /** + * Reads the given file and returns the contents as JSON. Assumes UTF-8 encoding. + * @param {string|URL} filePath The file to read. + * @returns {Promise} The contents of the file as JSON. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {SyntaxError} When the file contents are not valid JSON. + * @throws {TypeError} When the file path is not a non-empty string. + */ + async json(filePath) { + assertValidFileOrDirPath(filePath); + + const result = await this.#callImplMethodAlt("bytes", "json", filePath); + return result ? JSON.parse(decoder.decode(result)) : undefined; + } + + /** + * Reads the given file and returns the contents as an ArrayBuffer. + * @param {string|URL} filePath The file to read. + * @returns {Promise} The contents of the file as an ArrayBuffer. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + * @deprecated Use bytes() instead. + */ + async arrayBuffer(filePath) { + assertValidFileOrDirPath(filePath); + + const result = await this.#callImplMethodAlt( + "bytes", + "arrayBuffer", + filePath, + ); + return result?.buffer; + } + + /** + * Reads the given file and returns the contents as an Uint8Array. + * @param {string|URL} filePath The file to read. + * @returns {Promise} The contents of the file as an Uint8Array. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + async bytes(filePath) { + assertValidFileOrDirPath(filePath); + return this.#callImplMethod("bytes", filePath); + } + + /** + * Writes the given data to the given file. Creates any necessary directories along the way. + * If the data is a string, UTF-8 encoding is used. + * @param {string|URL} filePath The file to write. + * @param {string|ArrayBuffer|ArrayBufferView} contents The data to write. + * @returns {Promise} A promise that resolves when the file is written. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + async write(filePath, contents) { + assertValidFileOrDirPath(filePath); + assertValidFileContents(contents); + this.#log("write", filePath, contents); + + let value = toUint8Array(contents); + return this.#callImplMethodWithoutLog("write", filePath, value); + } + + /** + * Appends the given data to the given file. Creates any necessary directories along the way. + * If the data is a string, UTF-8 encoding is used. + * @param {string|URL} filePath The file to append to. + * @param {string|ArrayBuffer|ArrayBufferView} contents The data to append. + * @returns {Promise} A promise that resolves when the file is appended to. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + * @throws {TypeError} When the file contents are not a string or ArrayBuffer. + * @throws {Error} When the file cannot be appended to. + */ + async append(filePath, contents) { + assertValidFileOrDirPath(filePath); + assertValidFileContents(contents); + this.#log("append", filePath, contents); + + let value = toUint8Array(contents); + return this.#callImplMethodWithoutLog("append", filePath, value); + } + + /** + * Determines if the given file exists. + * @param {string|URL} filePath The file to check. + * @returns {Promise} True if the file exists. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + async isFile(filePath) { + assertValidFileOrDirPath(filePath); + return this.#callImplMethod("isFile", filePath); + } + + /** + * Determines if the given directory exists. + * @param {string|URL} dirPath The directory to check. + * @returns {Promise} True if the directory exists. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the directory path is not a non-empty string. + */ + async isDirectory(dirPath) { + assertValidFileOrDirPath(dirPath); + return this.#callImplMethod("isDirectory", dirPath); + } + + /** + * Creates the given directory. + * @param {string|URL} dirPath The directory to create. + * @returns {Promise} A promise that resolves when the directory is created. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the directory path is not a non-empty string. + */ + async createDirectory(dirPath) { + assertValidFileOrDirPath(dirPath); + return this.#callImplMethod("createDirectory", dirPath); + } + + /** + * Deletes the given file or empty directory. + * @param {string|URL} filePath The file to delete. + * @returns {Promise} A promise that resolves when the file or + * directory is deleted, true if the file or directory is deleted, false + * if the file or directory does not exist. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the file path is not a non-empty string. + */ + async delete(filePath) { + assertValidFileOrDirPath(filePath); + return this.#callImplMethod("delete", filePath); + } + + /** + * Deletes the given file or directory recursively. + * @param {string|URL} dirPath The directory to delete. + * @returns {Promise} A promise that resolves when the file or + * directory is deleted, true if the file or directory is deleted, false + * if the file or directory does not exist. + * @throws {NoSuchMethodError} When the method does not exist on the current implementation. + * @throws {TypeError} When the directory path is not a non-empty string. + */ + async deleteAll(dirPath) { + assertValidFileOrDirPath(dirPath); + return this.#callImplMethod("deleteAll", dirPath); + } + + /** + * Returns a list of directory entries for the given path. + * @param {string|URL} dirPath The path to the directory to read. + * @returns {AsyncIterable} A promise that resolves with the + * directory entries. + * @throws {TypeError} If the directory path is not a string or URL. + * @throws {Error} If the directory cannot be read. + */ + async *list(dirPath) { + assertValidFileOrDirPath(dirPath); + yield* await this.#callImplMethod("list", dirPath); + } + + /** + * Walks a directory using a depth-first traversal and returns the entries + * from the traversal. + * @param {string|URL} dirPath The path to the directory to walk. + * @param {Object} [options] The options for the walk. + * @param {(entry:HfsWalkEntry) => Promise|boolean} [options.directoryFilter] A filter function to determine + * if a directory's entries should be included in the walk. + * @param {(entry:HfsWalkEntry) => Promise|boolean} [options.entryFilter] A filter function to determine if + * an entry should be included in the walk. + * @returns {AsyncIterable} A promise that resolves with the + * directory entries. + * @throws {TypeError} If the directory path is not a string or URL. + * @throws {Error} If the directory cannot be read. + */ + async *walk( + dirPath, + { directoryFilter = () => true, entryFilter = () => true } = {}, + ) { + assertValidFileOrDirPath(dirPath); + this.#log("walk", dirPath, { directoryFilter, entryFilter }); + + // inner function for recursion without additional logging + const walk = async function* ( + dirPath, + { directoryFilter, entryFilter, parentPath = "", depth = 1 }, + ) { + let dirEntries; + + try { + dirEntries = await this.#callImplMethodWithoutLog( + "list", + dirPath, + ); + } catch (error) { + // if the directory does not exist then return an empty array + if (error.code === "ENOENT") { + return; + } + + // otherwise, rethrow the error + throw error; + } + + for await (const listEntry of dirEntries) { + const walkEntry = { + path: listEntry.name, + depth, + ...listEntry, + }; + + if (parentPath) { + walkEntry.path = `${parentPath}/${walkEntry.path}`; + } + + // first emit the entry but only if the entry filter returns true + let shouldEmitEntry = entryFilter(walkEntry); + if (shouldEmitEntry.then) { + shouldEmitEntry = await shouldEmitEntry; + } + + if (shouldEmitEntry) { + yield walkEntry; + } + + // if it's a directory then yield the entry and walk the directory + if (listEntry.isDirectory) { + // if the directory filter returns false, skip the directory + let shouldWalkDirectory = directoryFilter(walkEntry); + if (shouldWalkDirectory.then) { + shouldWalkDirectory = await shouldWalkDirectory; + } + + if (!shouldWalkDirectory) { + continue; + } + + // make sure there's a trailing slash on the directory path before appending + const directoryPath = + dirPath instanceof URL + ? new URL( + listEntry.name, + dirPath.href.endsWith("/") + ? dirPath.href + : `${dirPath.href}/`, + ) + : `${dirPath.endsWith("/") ? dirPath : `${dirPath}/`}${listEntry.name}`; + + yield* walk(directoryPath, { + directoryFilter, + entryFilter, + parentPath: walkEntry.path, + depth: depth + 1, + }); + } + } + }.bind(this); + + yield* walk(dirPath, { directoryFilter, entryFilter }); + } + + /** + * Returns the size of the given file. + * @param {string|URL} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the size of the file. + * @throws {TypeError} If the file path is not a string or URL. + * @throws {Error} If the file cannot be read. + */ + async size(filePath) { + assertValidFileOrDirPath(filePath); + return this.#callImplMethod("size", filePath); + } + + /** + * Returns the last modified timestamp of the given file or directory. + * @param {string|URL} fileOrDirPath The path to the file or directory. + * @returns {Promise} A promise that resolves with the last modified date + * or undefined if the file or directory does not exist. + * @throws {TypeError} If the path is not a string or URL. + */ + async lastModified(fileOrDirPath) { + assertValidFileOrDirPath(fileOrDirPath); + return this.#callImplMethod("lastModified", fileOrDirPath); + } + + /** + * Copys a file from one location to another. + * @param {string|URL} source The path to the file to copy. + * @param {string|URL} destination The path to the new file. + * @returns {Promise} A promise that resolves when the file is copied. + * @throws {TypeError} If the file path is not a string or URL. + * @throws {Error} If the file cannot be copied. + */ + async copy(source, destination) { + assertValidFileOrDirPath(source); + assertValidFileOrDirPath(destination); + return this.#callImplMethod("copy", source, destination); + } + + /** + * Copies a file or directory from one location to another. + * @param {string|URL} source The path to the file or directory to copy. + * @param {string|URL} destination The path to copy the file or directory to. + * @returns {Promise} A promise that resolves when the file or directory is + * copied. + * @throws {TypeError} If the directory path is not a string or URL. + * @throws {Error} If the directory cannot be copied. + */ + async copyAll(source, destination) { + assertValidFileOrDirPath(source); + assertValidFileOrDirPath(destination); + return this.#callImplMethod("copyAll", source, destination); + } + + /** + * Moves a file from the source path to the destination path. + * @param {string|URL} source The location of the file to move. + * @param {string|URL} destination The destination of the file to move. + * @returns {Promise} A promise that resolves when the move is complete. + * @throws {TypeError} If the file or directory paths are not strings. + * @throws {Error} If the file or directory cannot be moved. + */ + async move(source, destination) { + assertValidFileOrDirPath(source); + assertValidFileOrDirPath(destination); + return this.#callImplMethod("move", source, destination); + } + + /** + * Moves a file or directory from one location to another. + * @param {string|URL} source The path to the file or directory to move. + * @param {string|URL} destination The path to move the file or directory to. + * @returns {Promise} A promise that resolves when the file or directory is + * moved. + * @throws {TypeError} If the source is not a string or URL. + * @throws {TypeError} If the destination is not a string or URL. + * @throws {Error} If the file or directory cannot be moved. + */ + async moveAll(source, destination) { + assertValidFileOrDirPath(source); + assertValidFileOrDirPath(destination); + return this.#callImplMethod("moveAll", source, destination); + } +} diff --git a/module/node_modules/@humanfs/core/src/index.js b/module/node_modules/@humanfs/core/src/index.js new file mode 100644 index 000000000..1b662d480 --- /dev/null +++ b/module/node_modules/@humanfs/core/src/index.js @@ -0,0 +1,8 @@ +/** + * @fileoverview API entrypoint for hfs/core + * @author Nicholas C. Zakas + */ + +export { Hfs } from "./hfs.js"; +export { Path } from "./path.js"; +export * from "./errors.js"; diff --git a/module/node_modules/@humanfs/core/src/path.js b/module/node_modules/@humanfs/core/src/path.js new file mode 100644 index 000000000..4798091b9 --- /dev/null +++ b/module/node_modules/@humanfs/core/src/path.js @@ -0,0 +1,237 @@ +/** + * @fileoverview The Path class. + * @author Nicholas C. Zakas + */ + +/* globals URL */ + +//----------------------------------------------------------------------------- +// Types +//----------------------------------------------------------------------------- + +/** @typedef{import("@humanfs/types").HfsImpl} HfsImpl */ +/** @typedef{import("@humanfs/types").HfsDirectoryEntry} HfsDirectoryEntry */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/** + * Normalizes a path to use forward slashes. + * @param {string} filePath The path to normalize. + * @returns {string} The normalized path. + */ +function normalizePath(filePath) { + let startIndex = 0; + let endIndex = filePath.length; + + if (/[a-z]:\//i.test(filePath)) { + startIndex = 3; + } + + if (filePath.startsWith("./")) { + startIndex = 2; + } + + if (filePath.startsWith("/")) { + startIndex = 1; + } + + if (filePath.endsWith("/")) { + endIndex = filePath.length - 1; + } + + return filePath.slice(startIndex, endIndex).replace(/\\/g, "/"); +} + +/** + * Asserts that the given name is a non-empty string, no equal to "." or "..", + * and does not contain a forward slash or backslash. + * @param {string} name The name to check. + * @returns {void} + * @throws {TypeError} When name is not valid. + */ +function assertValidName(name) { + if (typeof name !== "string") { + throw new TypeError("name must be a string"); + } + + if (!name) { + throw new TypeError("name cannot be empty"); + } + + if (name === ".") { + throw new TypeError(`name cannot be "."`); + } + + if (name === "..") { + throw new TypeError(`name cannot be ".."`); + } + + if (name.includes("/") || name.includes("\\")) { + throw new TypeError( + `name cannot contain a slash or backslash: "${name}"`, + ); + } +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +export class Path { + /** + * The steps in the path. + * @type {Array} + */ + #steps; + + /** + * Creates a new instance. + * @param {Iterable} [steps] The steps to use for the path. + * @throws {TypeError} When steps is not iterable. + */ + constructor(steps = []) { + if (typeof steps[Symbol.iterator] !== "function") { + throw new TypeError("steps must be iterable"); + } + + this.#steps = [...steps]; + this.#steps.forEach(assertValidName); + } + + /** + * Adds steps to the end of the path. + * @param {...string} steps The steps to add to the path. + * @returns {void} + */ + push(...steps) { + steps.forEach(assertValidName); + this.#steps.push(...steps); + } + + /** + * Removes the last step from the path. + * @returns {string} The last step in the path. + */ + pop() { + return this.#steps.pop(); + } + + /** + * Returns an iterator for steps in the path. + * @returns {IterableIterator} An iterator for the steps in the path. + */ + steps() { + return this.#steps.values(); + } + + /** + * Returns an iterator for the steps in the path. + * @returns {IterableIterator} An iterator for the steps in the path. + */ + [Symbol.iterator]() { + return this.steps(); + } + + /** + * Retrieves the name (the last step) of the path. + * @type {string} + */ + get name() { + return this.#steps[this.#steps.length - 1]; + } + + /** + * Sets the name (the last step) of the path. + * @type {string} + */ + set name(value) { + assertValidName(value); + this.#steps[this.#steps.length - 1] = value; + } + + /** + * Retrieves the size of the path. + * @type {number} + */ + get size() { + return this.#steps.length; + } + + /** + * Returns the path as a string. + * @returns {string} The path as a string. + */ + toString() { + return this.#steps.join("/"); + } + + /** + * Creates a new path based on the argument type. If the argument is a string, + * it is assumed to be a file or directory path and is converted to a Path + * instance. If the argument is a URL, it is assumed to be a file URL and is + * converted to a Path instance. If the argument is a Path instance, it is + * copied into a new Path instance. If the argument is an array, it is assumed + * to be the steps of a path and is used to create a new Path instance. + * @param {string|URL|Path|Array} pathish The value to convert to a Path instance. + * @returns {Path} A new Path instance. + * @throws {TypeError} When pathish is not a string, URL, Path, or Array. + * @throws {TypeError} When pathish is a string and is empty. + */ + static from(pathish) { + if (typeof pathish === "string") { + if (!pathish) { + throw new TypeError("argument cannot be empty"); + } + + return Path.fromString(pathish); + } + + if (pathish instanceof URL) { + return Path.fromURL(pathish); + } + + if (pathish instanceof Path || Array.isArray(pathish)) { + return new Path(pathish); + } + + throw new TypeError("argument must be a string, URL, Path, or Array"); + } + + /** + * Creates a new Path instance from a string. + * @param {string} fileOrDirPath The file or directory path to convert. + * @returns {Path} A new Path instance. + * @deprecated Use Path.from() instead. + */ + static fromString(fileOrDirPath) { + return new Path(normalizePath(fileOrDirPath).split("/")); + } + + /** + * Creates a new Path instance from a URL. + * @param {URL} url The URL to convert. + * @returns {Path} A new Path instance. + * @throws {TypeError} When url is not a URL instance. + * @throws {TypeError} When url.pathname is empty. + * @throws {TypeError} When url.protocol is not "file:". + * @deprecated Use Path.from() instead. + */ + static fromURL(url) { + if (!(url instanceof URL)) { + throw new TypeError("url must be a URL instance"); + } + + if (!url.pathname || url.pathname === "/") { + throw new TypeError("url.pathname cannot be empty"); + } + + if (url.protocol !== "file:") { + throw new TypeError(`url.protocol must be "file:"`); + } + + // Remove leading slash in pathname + return new Path(normalizePath(url.pathname.slice(1)).split("/")); + } +} diff --git a/module/node_modules/@humanfs/node/LICENSE b/module/node_modules/@humanfs/node/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/module/node_modules/@humanfs/node/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/module/node_modules/@humanfs/node/README.md b/module/node_modules/@humanfs/node/README.md new file mode 100644 index 000000000..c3e4be478 --- /dev/null +++ b/module/node_modules/@humanfs/node/README.md @@ -0,0 +1,141 @@ +# `@humanfs/node` + +by [Nicholas C. Zakas](https://humanwhocodes.com) + +If you find this useful, please consider supporting my work with a [donation](https://humanwhocodes.com/donate) or [nominate me](https://stars.github.com/nominate/) for a GitHub Star. + +## Description + +The `hfs` bindings for use in Node.js and Node.js-compatible runtimes. + +> [!WARNING] +> This project is **experimental** and may change significantly before v1.0.0. Use at your own caution and definitely not in production! + +## Installation + +Install using your favorite package manager: + +```shell +npm install @humanfs/node + +# or + +pnpm install @humanfs/node + +# or + +yarn add @humanfs/node + +# or + +bun install @humanfs/node +``` + +## Usage + +The easiest way to use hfs in your project is to import the `hfs` object: + +```js +import { hfs } from "@humanfs/node"; +``` + +Then, you can use the API methods: + +```js +// 1. Files + +// read from a text file +const text = await hfs.text("file.txt"); + +// read from a JSON file +const json = await hfs.json("file.json"); + +// read raw bytes from a text file +const arrayBuffer = await hfs.arrayBuffer("file.txt"); + +// write text to a file +await hfs.write("file.txt", "Hello world!"); + +// write bytes to a file +await hfs.write("file.txt", new TextEncoder().encode("Hello world!")); + +// append text to a file +await hfs.append("file.txt", "Hello world!"); + +// append bytes to a file +await hfs.append("file.txt", new TextEncoder().encode("Hello world!")); + +// does the file exist? +const found = await hfs.isFile("file.txt"); + +// how big is the file? +const size = await hfs.size("file.txt"); + +// when was the file modified? +const mtime = await hfs.lastModified("file.txt"); + +// copy a file from one location to another +await hfs.copy("file.txt", "file-copy.txt"); + +// move a file from one location to another +await hfs.move("file.txt", "renamed.txt"); + +// delete a file +await hfs.delete("file.txt"); + +// 2. Directories + +// create a directory +await hfs.createDirectory("dir"); + +// create a directory recursively +await hfs.createDirectory("dir/subdir"); + +// does the directory exist? +const dirFound = await hfs.isDirectory("dir"); + +// copy the entire directory +hfs.copyAll("from-dir", "to-dir"); + +// move the entire directory +hfs.moveAll("from-dir", "to-dir"); + +// delete a directory +await hfs.delete("dir"); + +// delete a non-empty directory +await hfs.deleteAll("dir"); +``` + +If you'd like to create your own instance, import the `NodeHfs` constructor: + +```js +import { NodeHfs } from "@humanfs/node"; +import fsp from "fs/promises"; + +const hfs = new NodeHfs(); + +// optionally specify the fs/promises object to use +const hfs = new NodeHfs({ fsp }); +``` + +If you'd like to use just the impl, import the `NodeHfsImpl` constructor: + +```js +import { NodeHfsImpl } from "@humanfs/node"; +import fsp from "fs/promises"; + +const hfs = new NodeHfsImpl(); + +// optionally specify the fs/promises object to use +const hfs = new NodeHfsImpl({ fsp }); +``` + +## Errors Handled + +* `ENOENT` - in most cases, these errors are handled silently. +* `ENFILE` and `EMFILE` - calls that result in these errors are retried for up to 60 seconds before giving up for good. + +## License + +Apache 2.0 diff --git a/module/node_modules/@humanfs/node/dist/index.d.ts b/module/node_modules/@humanfs/node/dist/index.d.ts new file mode 100644 index 000000000..c2d1d3068 --- /dev/null +++ b/module/node_modules/@humanfs/node/dist/index.d.ts @@ -0,0 +1,2 @@ +export * from "./node-hfs.js"; +export { Hfs } from "@humanfs/core"; diff --git a/module/node_modules/@humanfs/node/dist/node-fsx.d.ts b/module/node_modules/@humanfs/node/dist/node-fsx.d.ts new file mode 100644 index 000000000..78e8dbd9e --- /dev/null +++ b/module/node_modules/@humanfs/node/dist/node-fsx.d.ts @@ -0,0 +1,150 @@ +/// +/** + * A class representing the Node.js implementation of Hfs. + * @implements {HfsImpl} + */ +export class NodeHfsImpl implements HfsImpl { + /** + * Creates a new instance. + * @param {object} [options] The options for the instance. + * @param {Fsp} [options.fsp] The file system module to use. + */ + constructor({ fsp }?: { + fsp?: Fsp; + }); + /** + * Reads a file and returns the contents as a string. Assumes UTF-8 encoding. + * @param {string} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the contents of + * the file or undefined if the file doesn't exist. + * @throws {TypeError} If the file path is not a string. + * @throws {RangeError} If the file path is empty. + * @throws {RangeError} If the file path is not absolute. + * @throws {RangeError} If the file path is not a file. + * @throws {RangeError} If the file path is not readable. + */ + text(filePath: string): Promise; + /** + * Reads a file and returns the contents as a JSON object. Assumes UTF-8 encoding. + * @param {string} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the contents of + * the file or undefined if the file doesn't exist. + * @throws {SyntaxError} If the file contents are not valid JSON. + * @throws {Error} If the file cannot be read. + * @throws {TypeError} If the file path is not a string. + */ + json(filePath: string): Promise; + /** + * Reads a file and returns the contents as an ArrayBuffer. + * @param {string} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the contents + * of the file or undefined if the file doesn't exist. + * @throws {Error} If the file cannot be read. + * @throws {TypeError} If the file path is not a string. + * @deprecated Use bytes() instead. + */ + arrayBuffer(filePath: string): Promise; + /** + * Reads a file and returns the contents as an Uint8Array. + * @param {string} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the contents + * of the file or undefined if the file doesn't exist. + * @throws {Error} If the file cannot be read. + * @throws {TypeError} If the file path is not a string. + */ + bytes(filePath: string): Promise; + /** + * Writes a value to a file. If the value is a string, UTF-8 encoding is used. + * @param {string} filePath The path to the file to write. + * @param {string|ArrayBuffer|ArrayBufferView} contents The contents to write to the + * file. + * @returns {Promise} A promise that resolves when the file is + * written. + * @throws {TypeError} If the file path is not a string. + * @throws {Error} If the file cannot be written. + */ + write(filePath: string, contents: string | ArrayBuffer | ArrayBufferView): Promise; + /** + * Checks if a file exists. + * @param {string} filePath The path to the file to check. + * @returns {Promise} A promise that resolves with true if the + * file exists or false if it does not. + * @throws {Error} If the operation fails with a code other than ENOENT. + */ + isFile(filePath: string): Promise; + /** + * Checks if a directory exists. + * @param {string} dirPath The path to the directory to check. + * @returns {Promise} A promise that resolves with true if the + * directory exists or false if it does not. + * @throws {Error} If the operation fails with a code other than ENOENT. + */ + isDirectory(dirPath: string): Promise; + /** + * Creates a directory recursively. + * @param {string} dirPath The path to the directory to create. + * @returns {Promise} A promise that resolves when the directory is + * created. + */ + createDirectory(dirPath: string): Promise; + /** + * Deletes a file or empty directory. + * @param {string} fileOrDirPath The path to the file or directory to + * delete. + * @returns {Promise} A promise that resolves when the file or + * directory is deleted. + * @throws {TypeError} If the file or directory path is not a string. + * @throws {Error} If the file or directory cannot be deleted. + * @throws {Error} If the file or directory is not found. + */ + delete(fileOrDirPath: string): Promise; + /** + * Deletes a file or directory recursively. + * @param {string} fileOrDirPath The path to the file or directory to + * delete. + * @returns {Promise} A promise that resolves when the file or + * directory is deleted. + * @throws {TypeError} If the file or directory path is not a string. + * @throws {Error} If the file or directory cannot be deleted. + * @throws {Error} If the file or directory is not found. + */ + deleteAll(fileOrDirPath: string): Promise; + /** + * Returns a list of directory entries for the given path. + * @param {string} dirPath The path to the directory to read. + * @returns {AsyncIterable} A promise that resolves with the + * directory entries. + * @throws {TypeError} If the directory path is not a string. + * @throws {Error} If the directory cannot be read. + */ + list(dirPath: string): AsyncIterable; + /** + * Returns the size of a file. + * @param {string} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the size of the + * file in bytes or undefined if the file doesn't exist. + */ + size(filePath: string): Promise; + #private; +} +/** + * A class representing a file system utility library. + * @implements {HfsImpl} + */ +export class NodeHfs extends Hfs implements HfsImpl { + /** + * Creates a new instance. + * @param {object} [options] The options for the instance. + * @param {Fsp} [options.fsp] The file system module to use. + */ + constructor({ fsp }?: { + fsp?: Fsp; + }); +} +export const hfs: NodeHfs; +export type HfsImpl = import("@humanfs/types").HfsImpl; +export type HfsDirectoryEntry = import("@humanfs/types").HfsDirectoryEntry; +export type Fsp = typeof nativeFsp; +export type Dirent = import("fs").Dirent; +import { Hfs } from "@humanfs/core"; +import nativeFsp from "node:fs/promises"; diff --git a/module/node_modules/@humanfs/node/dist/node-hfs.d.ts b/module/node_modules/@humanfs/node/dist/node-hfs.d.ts new file mode 100644 index 000000000..1fd632220 --- /dev/null +++ b/module/node_modules/@humanfs/node/dist/node-hfs.d.ts @@ -0,0 +1,176 @@ +/// +/** + * A class representing the Node.js implementation of Hfs. + * @implements {HfsImpl} + */ +export class NodeHfsImpl implements HfsImpl { + /** + * Creates a new instance. + * @param {object} [options] The options for the instance. + * @param {Fsp} [options.fsp] The file system module to use. + */ + constructor({ fsp }?: { + fsp?: Fsp; + }); + /** + * Reads a file and returns the contents as an Uint8Array. + * @param {string|URL} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the contents + * of the file or undefined if the file doesn't exist. + * @throws {Error} If the file cannot be read. + * @throws {TypeError} If the file path is not a string. + */ + bytes(filePath: string | URL): Promise; + /** + * Writes a value to a file. If the value is a string, UTF-8 encoding is used. + * @param {string|URL} filePath The path to the file to write. + * @param {Uint8Array} contents The contents to write to the + * file. + * @returns {Promise} A promise that resolves when the file is + * written. + * @throws {TypeError} If the file path is not a string. + * @throws {Error} If the file cannot be written. + */ + write(filePath: string | URL, contents: Uint8Array): Promise; + /** + * Appends a value to a file. If the value is a string, UTF-8 encoding is used. + * @param {string|URL} filePath The path to the file to append to. + * @param {Uint8Array} contents The contents to append to the + * file. + * @returns {Promise} A promise that resolves when the file is + * written. + * @throws {TypeError} If the file path is not a string. + * @throws {Error} If the file cannot be appended to. + */ + append(filePath: string | URL, contents: Uint8Array): Promise; + /** + * Checks if a file exists. + * @param {string|URL} filePath The path to the file to check. + * @returns {Promise} A promise that resolves with true if the + * file exists or false if it does not. + * @throws {Error} If the operation fails with a code other than ENOENT. + */ + isFile(filePath: string | URL): Promise; + /** + * Checks if a directory exists. + * @param {string|URL} dirPath The path to the directory to check. + * @returns {Promise} A promise that resolves with true if the + * directory exists or false if it does not. + * @throws {Error} If the operation fails with a code other than ENOENT. + */ + isDirectory(dirPath: string | URL): Promise; + /** + * Creates a directory recursively. + * @param {string|URL} dirPath The path to the directory to create. + * @returns {Promise} A promise that resolves when the directory is + * created. + */ + createDirectory(dirPath: string | URL): Promise; + /** + * Deletes a file or empty directory. + * @param {string|URL} fileOrDirPath The path to the file or directory to + * delete. + * @returns {Promise} A promise that resolves when the file or + * directory is deleted, true if the file or directory is deleted, false + * if the file or directory does not exist. + * @throws {TypeError} If the file or directory path is not a string. + * @throws {Error} If the file or directory cannot be deleted. + */ + delete(fileOrDirPath: string | URL): Promise; + /** + * Deletes a file or directory recursively. + * @param {string|URL} fileOrDirPath The path to the file or directory to + * delete. + * @returns {Promise} A promise that resolves when the file or + * directory is deleted, true if the file or directory is deleted, false + * if the file or directory does not exist. + * @throws {TypeError} If the file or directory path is not a string. + * @throws {Error} If the file or directory cannot be deleted. + */ + deleteAll(fileOrDirPath: string | URL): Promise; + /** + * Returns a list of directory entries for the given path. + * @param {string|URL} dirPath The path to the directory to read. + * @returns {AsyncIterable} A promise that resolves with the + * directory entries. + * @throws {TypeError} If the directory path is not a string. + * @throws {Error} If the directory cannot be read. + */ + list(dirPath: string | URL): AsyncIterable; + /** + * Returns the size of a file. This method handles ENOENT errors + * and returns undefined in that case. + * @param {string|URL} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the size of the + * file in bytes or undefined if the file doesn't exist. + */ + size(filePath: string | URL): Promise; + /** + * Returns the last modified date of a file or directory. This method handles ENOENT errors + * and returns undefined in that case. + * @param {string|URL} fileOrDirPath The path to the file to read. + * @returns {Promise} A promise that resolves with the last modified + * date of the file or directory, or undefined if the file doesn't exist. + */ + lastModified(fileOrDirPath: string | URL): Promise; + /** + * Copies a file from one location to another. + * @param {string|URL} source The path to the file to copy. + * @param {string|URL} destination The path to copy the file to. + * @returns {Promise} A promise that resolves when the file is copied. + * @throws {Error} If the source file does not exist. + * @throws {Error} If the source file is a directory. + * @throws {Error} If the destination file is a directory. + */ + copy(source: string | URL, destination: string | URL): Promise; + /** + * Copies a file or directory from one location to another. + * @param {string|URL} source The path to the file or directory to copy. + * @param {string|URL} destination The path to copy the file or directory to. + * @returns {Promise} A promise that resolves when the file or directory is + * copied. + * @throws {Error} If the source file or directory does not exist. + * @throws {Error} If the destination file or directory is a directory. + */ + copyAll(source: string | URL, destination: string | URL): Promise; + /** + * Moves a file from the source path to the destination path. + * @param {string|URL} source The location of the file to move. + * @param {string|URL} destination The destination of the file to move. + * @returns {Promise} A promise that resolves when the move is complete. + * @throws {TypeError} If the file paths are not strings. + * @throws {Error} If the file cannot be moved. + */ + move(source: string | URL, destination: string | URL): Promise; + /** + * Moves a file or directory from the source path to the destination path. + * @param {string|URL} source The location of the file or directory to move. + * @param {string|URL} destination The destination of the file or directory to move. + * @returns {Promise} A promise that resolves when the move is complete. + * @throws {TypeError} If the file paths are not strings. + * @throws {Error} If the file or directory cannot be moved. + */ + moveAll(source: string | URL, destination: string | URL): Promise; + #private; +} +/** + * A class representing a file system utility library. + * @implements {HfsImpl} + */ +export class NodeHfs extends Hfs implements HfsImpl { + /** + * Creates a new instance. + * @param {object} [options] The options for the instance. + * @param {Fsp} [options.fsp] The file system module to use. + */ + constructor({ fsp }?: { + fsp?: Fsp; + }); +} +export const hfs: NodeHfs; +export type HfsImpl = import("@humanfs/types").HfsImpl; +export type HfsDirectoryEntry = import("@humanfs/types").HfsDirectoryEntry; +export type Fsp = typeof nativeFsp; +export type Dirent = import("fs").Dirent; +import { Hfs } from "@humanfs/core"; +import nativeFsp from "node:fs/promises"; diff --git a/module/node_modules/@humanfs/node/package.json b/module/node_modules/@humanfs/node/package.json new file mode 100644 index 000000000..180983128 --- /dev/null +++ b/module/node_modules/@humanfs/node/package.json @@ -0,0 +1,58 @@ +{ + "name": "@humanfs/node", + "version": "0.16.7", + "description": "The Node.js bindings of the humanfs library.", + "type": "module", + "main": "dist/index.js", + "types": "dist/index.d.ts", + "exports": { + "import": { + "types": "./dist/index.d.ts", + "default": "./src/index.js" + } + }, + "files": [ + "dist", + "src" + ], + "scripts": { + "build": "tsc", + "prepare": "npm run build", + "pretest": "npm run build", + "test": "mocha ./tests/" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/humanwhocodes/humanfs.git", + "directory": "packages/node" + }, + "publishConfig": { + "access": "public" + }, + "keywords": [ + "filesystem", + "fs", + "hfs", + "files" + ], + "author": "Nicholas C. Zakas", + "license": "Apache-2.0", + "bugs": { + "url": "https://github.com/humanwhocodes/humanfs/issues" + }, + "homepage": "https://github.com/humanwhocodes/humanfs#readme", + "engines": { + "node": ">=18.18.0" + }, + "devDependencies": { + "@types/node": "^20.9.4", + "@humanfs/test": "^0.15.0", + "@humanfs/types": "^0.15.0", + "mocha": "^10.2.0", + "typescript": "^5.2.2" + }, + "dependencies": { + "@humanwhocodes/retry": "^0.4.0", + "@humanfs/core": "^0.19.1" + } +} diff --git a/module/node_modules/@humanfs/node/src/index.js b/module/node_modules/@humanfs/node/src/index.js new file mode 100644 index 000000000..6d551aa7f --- /dev/null +++ b/module/node_modules/@humanfs/node/src/index.js @@ -0,0 +1,7 @@ +/** + * @fileoverview This file exports everything for this package. + * @author Nicholas C. Zakas + */ + +export * from "./node-hfs.js"; +export { Hfs } from "@humanfs/core"; diff --git a/module/node_modules/@humanfs/node/src/node-hfs.js b/module/node_modules/@humanfs/node/src/node-hfs.js new file mode 100644 index 000000000..7840c872f --- /dev/null +++ b/module/node_modules/@humanfs/node/src/node-hfs.js @@ -0,0 +1,452 @@ +/** + * @fileoverview The main file for the hfs package. + * @author Nicholas C. Zakas + */ +/* global Buffer:readonly, URL */ + +//----------------------------------------------------------------------------- +// Types +//----------------------------------------------------------------------------- + +/** @typedef {import("@humanfs/types").HfsImpl} HfsImpl */ +/** @typedef {import("@humanfs/types").HfsDirectoryEntry} HfsDirectoryEntry */ +/** @typedef {import("node:fs/promises")} Fsp */ +/** @typedef {import("fs").Dirent} Dirent */ + +//----------------------------------------------------------------------------- +// Imports +//----------------------------------------------------------------------------- + +import { Hfs } from "@humanfs/core"; +import path from "node:path"; +import { Retrier } from "@humanwhocodes/retry"; +import nativeFsp from "node:fs/promises"; +import { fileURLToPath } from "node:url"; + +//----------------------------------------------------------------------------- +// Constants +//----------------------------------------------------------------------------- + +const RETRY_ERROR_CODES = new Set(["ENFILE", "EMFILE"]); + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/** + * A class representing a directory entry. + * @implements {HfsDirectoryEntry} + */ +class NodeHfsDirectoryEntry { + /** + * The name of the directory entry. + * @type {string} + */ + name; + + /** + * True if the entry is a file. + * @type {boolean} + */ + isFile; + + /** + * True if the entry is a directory. + * @type {boolean} + */ + isDirectory; + + /** + * True if the entry is a symbolic link. + * @type {boolean} + */ + isSymlink; + + /** + * Creates a new instance. + * @param {Dirent} dirent The directory entry to wrap. + */ + constructor(dirent) { + this.name = dirent.name; + this.isFile = dirent.isFile(); + this.isDirectory = dirent.isDirectory(); + this.isSymlink = dirent.isSymbolicLink(); + } +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * A class representing the Node.js implementation of Hfs. + * @implements {HfsImpl} + */ +export class NodeHfsImpl { + /** + * The file system module to use. + * @type {Fsp} + */ + #fsp; + + /** + * The retryer object used for retrying operations. + * @type {Retrier} + */ + #retrier; + + /** + * Creates a new instance. + * @param {object} [options] The options for the instance. + * @param {Fsp} [options.fsp] The file system module to use. + */ + constructor({ fsp = nativeFsp } = {}) { + this.#fsp = fsp; + this.#retrier = new Retrier(error => RETRY_ERROR_CODES.has(error.code)); + } + + /** + * Reads a file and returns the contents as an Uint8Array. + * @param {string|URL} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the contents + * of the file or undefined if the file doesn't exist. + * @throws {Error} If the file cannot be read. + * @throws {TypeError} If the file path is not a string. + */ + bytes(filePath) { + return this.#retrier + .retry(() => this.#fsp.readFile(filePath)) + .then(buffer => new Uint8Array(buffer.buffer)) + .catch(error => { + if (error.code === "ENOENT") { + return undefined; + } + + throw error; + }); + } + + /** + * Writes a value to a file. If the value is a string, UTF-8 encoding is used. + * @param {string|URL} filePath The path to the file to write. + * @param {Uint8Array} contents The contents to write to the + * file. + * @returns {Promise} A promise that resolves when the file is + * written. + * @throws {TypeError} If the file path is not a string. + * @throws {Error} If the file cannot be written. + */ + async write(filePath, contents) { + const value = Buffer.from(contents); + + return this.#retrier + .retry(() => this.#fsp.writeFile(filePath, value)) + .catch(error => { + // the directory may not exist, so create it + if (error.code === "ENOENT") { + const dirPath = path.dirname( + filePath instanceof URL + ? fileURLToPath(filePath) + : filePath, + ); + + return this.#fsp + .mkdir(dirPath, { recursive: true }) + .then(() => this.#fsp.writeFile(filePath, value)); + } + + throw error; + }); + } + + /** + * Appends a value to a file. If the value is a string, UTF-8 encoding is used. + * @param {string|URL} filePath The path to the file to append to. + * @param {Uint8Array} contents The contents to append to the + * file. + * @returns {Promise} A promise that resolves when the file is + * written. + * @throws {TypeError} If the file path is not a string. + * @throws {Error} If the file cannot be appended to. + */ + async append(filePath, contents) { + const value = Buffer.from(contents); + + return this.#retrier + .retry(() => this.#fsp.appendFile(filePath, value)) + .catch(error => { + // the directory may not exist, so create it + if (error.code === "ENOENT") { + const dirPath = path.dirname( + filePath instanceof URL + ? fileURLToPath(filePath) + : filePath, + ); + + return this.#fsp + .mkdir(dirPath, { recursive: true }) + .then(() => this.#fsp.appendFile(filePath, value)); + } + + throw error; + }); + } + + /** + * Checks if a file exists. + * @param {string|URL} filePath The path to the file to check. + * @returns {Promise} A promise that resolves with true if the + * file exists or false if it does not. + * @throws {Error} If the operation fails with a code other than ENOENT. + */ + isFile(filePath) { + return this.#fsp + .stat(filePath) + .then(stat => stat.isFile()) + .catch(error => { + if (error.code === "ENOENT") { + return false; + } + + throw error; + }); + } + + /** + * Checks if a directory exists. + * @param {string|URL} dirPath The path to the directory to check. + * @returns {Promise} A promise that resolves with true if the + * directory exists or false if it does not. + * @throws {Error} If the operation fails with a code other than ENOENT. + */ + isDirectory(dirPath) { + return this.#fsp + .stat(dirPath) + .then(stat => stat.isDirectory()) + .catch(error => { + if (error.code === "ENOENT") { + return false; + } + + throw error; + }); + } + + /** + * Creates a directory recursively. + * @param {string|URL} dirPath The path to the directory to create. + * @returns {Promise} A promise that resolves when the directory is + * created. + */ + async createDirectory(dirPath) { + await this.#fsp.mkdir(dirPath, { recursive: true }); + } + + /** + * Deletes a file or empty directory. + * @param {string|URL} fileOrDirPath The path to the file or directory to + * delete. + * @returns {Promise} A promise that resolves when the file or + * directory is deleted, true if the file or directory is deleted, false + * if the file or directory does not exist. + * @throws {TypeError} If the file or directory path is not a string. + * @throws {Error} If the file or directory cannot be deleted. + */ + delete(fileOrDirPath) { + return this.#fsp + .rm(fileOrDirPath) + .then(() => true) + .catch(error => { + if (error.code === "ERR_FS_EISDIR") { + return this.#fsp.rmdir(fileOrDirPath).then(() => true); + } + + if (error.code === "ENOENT") { + return false; + } + + throw error; + }); + } + + /** + * Deletes a file or directory recursively. + * @param {string|URL} fileOrDirPath The path to the file or directory to + * delete. + * @returns {Promise} A promise that resolves when the file or + * directory is deleted, true if the file or directory is deleted, false + * if the file or directory does not exist. + * @throws {TypeError} If the file or directory path is not a string. + * @throws {Error} If the file or directory cannot be deleted. + */ + deleteAll(fileOrDirPath) { + return this.#fsp + .rm(fileOrDirPath, { recursive: true }) + .then(() => true) + .catch(error => { + if (error.code === "ENOENT") { + return false; + } + + throw error; + }); + } + + /** + * Returns a list of directory entries for the given path. + * @param {string|URL} dirPath The path to the directory to read. + * @returns {AsyncIterable} A promise that resolves with the + * directory entries. + * @throws {TypeError} If the directory path is not a string. + * @throws {Error} If the directory cannot be read. + */ + async *list(dirPath) { + const entries = await this.#fsp.readdir(dirPath, { + withFileTypes: true, + }); + + for (const entry of entries) { + yield new NodeHfsDirectoryEntry(entry); + } + } + + /** + * Returns the size of a file. This method handles ENOENT errors + * and returns undefined in that case. + * @param {string|URL} filePath The path to the file to read. + * @returns {Promise} A promise that resolves with the size of the + * file in bytes or undefined if the file doesn't exist. + */ + size(filePath) { + return this.#fsp + .stat(filePath) + .then(stat => stat.size) + .catch(error => { + if (error.code === "ENOENT") { + return undefined; + } + + throw error; + }); + } + + /** + * Returns the last modified date of a file or directory. This method handles ENOENT errors + * and returns undefined in that case. + * @param {string|URL} fileOrDirPath The path to the file to read. + * @returns {Promise} A promise that resolves with the last modified + * date of the file or directory, or undefined if the file doesn't exist. + */ + lastModified(fileOrDirPath) { + return this.#fsp + .stat(fileOrDirPath) + .then(stat => stat.mtime) + .catch(error => { + if (error.code === "ENOENT") { + return undefined; + } + + throw error; + }); + } + + /** + * Copies a file from one location to another. + * @param {string|URL} source The path to the file to copy. + * @param {string|URL} destination The path to copy the file to. + * @returns {Promise} A promise that resolves when the file is copied. + * @throws {Error} If the source file does not exist. + * @throws {Error} If the source file is a directory. + * @throws {Error} If the destination file is a directory. + */ + copy(source, destination) { + return this.#fsp.copyFile(source, destination); + } + + /** + * Copies a file or directory from one location to another. + * @param {string|URL} source The path to the file or directory to copy. + * @param {string|URL} destination The path to copy the file or directory to. + * @returns {Promise} A promise that resolves when the file or directory is + * copied. + * @throws {Error} If the source file or directory does not exist. + * @throws {Error} If the destination file or directory is a directory. + */ + async copyAll(source, destination) { + // for files use copy() and exit + if (await this.isFile(source)) { + return this.copy(source, destination); + } + + const sourceStr = + source instanceof URL ? fileURLToPath(source) : source; + + const destinationStr = + destination instanceof URL + ? fileURLToPath(destination) + : destination; + + // for directories, create the destination directory and copy each entry + await this.createDirectory(destination); + + for await (const entry of this.list(source)) { + const fromEntryPath = path.join(sourceStr, entry.name); + const toEntryPath = path.join(destinationStr, entry.name); + + if (entry.isDirectory) { + await this.copyAll(fromEntryPath, toEntryPath); + } else { + await this.copy(fromEntryPath, toEntryPath); + } + } + } + + /** + * Moves a file from the source path to the destination path. + * @param {string|URL} source The location of the file to move. + * @param {string|URL} destination The destination of the file to move. + * @returns {Promise} A promise that resolves when the move is complete. + * @throws {TypeError} If the file paths are not strings. + * @throws {Error} If the file cannot be moved. + */ + move(source, destination) { + return this.#fsp.stat(source).then(stat => { + if (stat.isDirectory()) { + throw new Error( + `EISDIR: illegal operation on a directory, move '${source}' -> '${destination}'`, + ); + } + + return this.#fsp.rename(source, destination); + }); + } + + /** + * Moves a file or directory from the source path to the destination path. + * @param {string|URL} source The location of the file or directory to move. + * @param {string|URL} destination The destination of the file or directory to move. + * @returns {Promise} A promise that resolves when the move is complete. + * @throws {TypeError} If the file paths are not strings. + * @throws {Error} If the file or directory cannot be moved. + */ + async moveAll(source, destination) { + return this.#fsp.rename(source, destination); + } +} + +/** + * A class representing a file system utility library. + * @implements {HfsImpl} + */ +export class NodeHfs extends Hfs { + /** + * Creates a new instance. + * @param {object} [options] The options for the instance. + * @param {Fsp} [options.fsp] The file system module to use. + */ + constructor({ fsp } = {}) { + super({ impl: new NodeHfsImpl({ fsp }) }); + } +} + +export const hfs = new NodeHfs(); diff --git a/module/node_modules/@humanwhocodes/module-importer/CHANGELOG.md b/module/node_modules/@humanwhocodes/module-importer/CHANGELOG.md new file mode 100644 index 000000000..1b442a195 --- /dev/null +++ b/module/node_modules/@humanwhocodes/module-importer/CHANGELOG.md @@ -0,0 +1,15 @@ +# Changelog + +## [1.0.1](https://github.com/humanwhocodes/module-importer/compare/v1.0.0...v1.0.1) (2022-08-18) + + +### Bug Fixes + +* Ensure CommonJS mode works correctly. ([cf54a0b](https://github.com/humanwhocodes/module-importer/commit/cf54a0b998085066fbe1776dd0b4cacd808cc192)), closes [#6](https://github.com/humanwhocodes/module-importer/issues/6) + +## 1.0.0 (2022-08-17) + + +### Features + +* Implement ModuleImporter ([3ce4e82](https://www.github.com/humanwhocodes/module-importer/commit/3ce4e820c30c114e787bfed00a0966ac4772f563)) diff --git a/module/node_modules/@humanwhocodes/module-importer/LICENSE b/module/node_modules/@humanwhocodes/module-importer/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/module/node_modules/@humanwhocodes/module-importer/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/module/node_modules/@humanwhocodes/module-importer/README.md b/module/node_modules/@humanwhocodes/module-importer/README.md new file mode 100644 index 000000000..3de07a7fb --- /dev/null +++ b/module/node_modules/@humanwhocodes/module-importer/README.md @@ -0,0 +1,80 @@ +# ModuleImporter + +by [Nicholas C. Zakas](https://humanwhocodes.com) + +If you find this useful, please consider supporting my work with a [donation](https://humanwhocodes.com/donate). + +## Description + +A utility for seamlessly importing modules in Node.js regardless if they are CommonJS or ESM format. Under the hood, this uses `import()` and relies on Node.js's CommonJS compatibility to work correctly. This ensures that the correct locations and formats are used for CommonJS so you can call one method and not worry about any compatibility issues. + +The problem with the default `import()` is that it always resolves relative to the file location in which it is called. If you want to resolve from a different location, you need to jump through a few hoops to achieve that. This package makes it easy to both resolve and import modules from any directory. + +## Usage + +### Node.js + +Install using [npm][npm] or [yarn][yarn]: + +``` +npm install @humanwhocodes/module-importer + +# or + +yarn add @humanwhocodes/module-importer +``` + +Import into your Node.js project: + +```js +// CommonJS +const { ModuleImporter } = require("@humanwhocodes/module-importer"); + +// ESM +import { ModuleImporter } from "@humanwhocodes/module-importer"; +``` + +### Bun + +Install using this command: + +``` +bun add @humanwhocodes/module-importer +``` + +Import into your Bun project: + +```js +import { ModuleImporter } from "@humanwhocodes/module-importer"; +``` + +## API + +After importing, create a new instance of `ModuleImporter` to start emitting events: + +```js +// cwd can be omitted to use process.cwd() +const importer = new ModuleImporter(cwd); + +// you can resolve the location of any package +const location = importer.resolve("./some-file.cjs"); + +// you can also import directly +const module = importer.import("./some-file.cjs"); +``` + +For both `resolve()` and `import()`, you can pass in package names and filenames. + +## Developer Setup + +1. Fork the repository +2. Clone your fork +3. Run `npm install` to setup dependencies +4. Run `npm test` to run tests + +## License + +Apache 2.0 + +[npm]: https://npmjs.com/ +[yarn]: https://yarnpkg.com/ diff --git a/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.cjs b/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.cjs new file mode 100644 index 000000000..779e0cf6f --- /dev/null +++ b/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.cjs @@ -0,0 +1,22 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var module$1 = require('module'); +var url = require('url'); +var path = require('path'); + +/** + * @fileoverview Universal module importer + */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const __filename$1 = url.fileURLToPath((typeof document === 'undefined' ? new (require('u' + 'rl').URL)('file:' + __filename).href : (document.currentScript && document.currentScript.src || new URL('module-importer.cjs', document.baseURI).href))); +const __dirname$1 = path.dirname(__filename$1); +const require$1 = module$1.createRequire(__dirname$1 + "/"); +const { ModuleImporter } = require$1("./module-importer.cjs"); + +exports.ModuleImporter = ModuleImporter; diff --git a/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.d.cts b/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.d.cts new file mode 100644 index 000000000..a1acbb6d3 --- /dev/null +++ b/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.d.cts @@ -0,0 +1,27 @@ +export class ModuleImporter { + /** + * Creates a new instance. + * @param {string} [cwd] The current working directory to resolve from. + */ + constructor(cwd?: string); + /** + * The base directory from which paths should be resolved. + * @type {string} + */ + cwd: string; + /** + * Resolves a module based on its name or location. + * @param {string} specifier Either an npm package name or + * relative file path. + * @returns {string|undefined} The location of the import. + * @throws {Error} If specifier cannot be located. + */ + resolve(specifier: string): string | undefined; + /** + * Imports a module based on its name or location. + * @param {string} specifier Either an npm package name or + * relative file path. + * @returns {Promise} The module's object. + */ + import(specifier: string): Promise; +} diff --git a/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.d.ts b/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.d.ts new file mode 100644 index 000000000..498f0a246 --- /dev/null +++ b/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.d.ts @@ -0,0 +1,2 @@ +export { ModuleImporter }; +import { ModuleImporter } from "./module-importer.cjs"; diff --git a/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.js b/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.js new file mode 100644 index 000000000..26e052da1 --- /dev/null +++ b/module/node_modules/@humanwhocodes/module-importer/dist/module-importer.js @@ -0,0 +1,18 @@ +import { createRequire } from 'module'; +import { fileURLToPath } from 'url'; +import { dirname } from 'path'; + +/** + * @fileoverview Universal module importer + */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const __filename = fileURLToPath(import.meta.url); +const __dirname = dirname(__filename); +const require = createRequire(__dirname + "/"); +const { ModuleImporter } = require("./module-importer.cjs"); + +export { ModuleImporter }; diff --git a/module/node_modules/@humanwhocodes/module-importer/package.json b/module/node_modules/@humanwhocodes/module-importer/package.json new file mode 100644 index 000000000..8ece071e9 --- /dev/null +++ b/module/node_modules/@humanwhocodes/module-importer/package.json @@ -0,0 +1,65 @@ +{ + "name": "@humanwhocodes/module-importer", + "version": "1.0.1", + "description": "Universal module importer for Node.js", + "main": "src/module-importer.cjs", + "module": "src/module-importer.js", + "type": "module", + "types": "dist/module-importer.d.ts", + "exports": { + "require": "./src/module-importer.cjs", + "import": "./src/module-importer.js" + }, + "files": [ + "dist", + "src" + ], + "publishConfig": { + "access": "public" + }, + "gitHooks": { + "pre-commit": "lint-staged" + }, + "lint-staged": { + "*.js": [ + "eslint --fix" + ] + }, + "funding": { + "type": "github", + "url": "https://github.com/sponsors/nzakas" + }, + "scripts": { + "build": "rollup -c && tsc", + "prepare": "npm run build", + "lint": "eslint src/ tests/", + "test:unit": "c8 mocha tests/module-importer.test.js", + "test:build": "node tests/pkg.test.cjs && node tests/pkg.test.mjs", + "test": "npm run test:unit && npm run test:build" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/humanwhocodes/module-importer.git" + }, + "keywords": [ + "modules", + "esm", + "commonjs" + ], + "engines": { + "node": ">=12.22" + }, + "author": "Nicholas C. Zaks", + "license": "Apache-2.0", + "devDependencies": { + "@types/node": "^18.7.6", + "c8": "7.12.0", + "chai": "4.3.6", + "eslint": "8.22.0", + "lint-staged": "13.0.3", + "mocha": "9.2.2", + "rollup": "2.78.0", + "typescript": "4.7.4", + "yorkie": "2.0.0" + } +} diff --git a/module/node_modules/@humanwhocodes/module-importer/src/module-importer.cjs b/module/node_modules/@humanwhocodes/module-importer/src/module-importer.cjs new file mode 100644 index 000000000..3efb095e1 --- /dev/null +++ b/module/node_modules/@humanwhocodes/module-importer/src/module-importer.cjs @@ -0,0 +1,81 @@ +/** + * @fileoverview Universal module importer + */ + +//----------------------------------------------------------------------------- +// Imports +//----------------------------------------------------------------------------- + +const { createRequire } = require("module"); +const { pathToFileURL } = require("url"); + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const SLASHES = new Set(["/", "\\"]); + +/** + * Normalizes directories to have a trailing slash. + * Resolve is pretty finicky -- if the directory name doesn't have + * a trailing slash then it tries to look in the parent directory. + * i.e., if the directory is "/usr/nzakas/foo" it will start the + * search in /usr/nzakas. However, if the directory is "/user/nzakas/foo/", + * then it will start the search in /user/nzakas/foo. + * @param {string} directory The directory to check. + * @returns {string} The normalized directory. + */ +function normalizeDirectory(directory) { + if (!SLASHES.has(directory[directory.length-1])) { + return directory + "/"; + } + + return directory; +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Class for importing both CommonJS and ESM modules in Node.js. + */ +exports.ModuleImporter = class ModuleImporter { + + /** + * Creates a new instance. + * @param {string} [cwd] The current working directory to resolve from. + */ + constructor(cwd = process.cwd()) { + + /** + * The base directory from which paths should be resolved. + * @type {string} + */ + this.cwd = normalizeDirectory(cwd); + } + + /** + * Resolves a module based on its name or location. + * @param {string} specifier Either an npm package name or + * relative file path. + * @returns {string|undefined} The location of the import. + * @throws {Error} If specifier cannot be located. + */ + resolve(specifier) { + const require = createRequire(this.cwd); + return require.resolve(specifier); + } + + /** + * Imports a module based on its name or location. + * @param {string} specifier Either an npm package name or + * relative file path. + * @returns {Promise} The module's object. + */ + import(specifier) { + const location = this.resolve(specifier); + return import(pathToFileURL(location).href); + } + +} diff --git a/module/node_modules/@humanwhocodes/module-importer/src/module-importer.js b/module/node_modules/@humanwhocodes/module-importer/src/module-importer.js new file mode 100644 index 000000000..f5464e18d --- /dev/null +++ b/module/node_modules/@humanwhocodes/module-importer/src/module-importer.js @@ -0,0 +1,22 @@ +/** + * @fileoverview Universal module importer + */ + +//----------------------------------------------------------------------------- +// Imports +//----------------------------------------------------------------------------- + +import { createRequire } from "module"; +import { fileURLToPath } from "url"; +import { dirname } from "path"; + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const __filename = fileURLToPath(import.meta.url); +const __dirname = dirname(__filename); +const require = createRequire(__dirname + "/"); +const { ModuleImporter } = require("./module-importer.cjs"); + +export { ModuleImporter }; diff --git a/module/node_modules/@humanwhocodes/retry/LICENSE b/module/node_modules/@humanwhocodes/retry/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/module/node_modules/@humanwhocodes/retry/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/module/node_modules/@humanwhocodes/retry/README.md b/module/node_modules/@humanwhocodes/retry/README.md new file mode 100644 index 000000000..0ec7a471d --- /dev/null +++ b/module/node_modules/@humanwhocodes/retry/README.md @@ -0,0 +1,177 @@ +# Retry utility + +by [Nicholas C. Zakas](https://humanwhocodes.com) + +If you find this useful, please consider supporting my work with a [donation](https://humanwhocodes.com/donate) or [nominate me](https://stars.github.com/nominate/) for a GitHub Star. + +## Description + +A utility for retrying failed async JavaScript calls based on the error returned. + +## Usage + +### Node.js + +Install using [npm][npm] or [yarn][yarn]: + +``` +npm install @humanwhocodes/retry + +# or + +yarn add @humanwhocodes/retry +``` + +Import into your Node.js project: + +```js +// CommonJS +const { Retrier } = require("@humanwhocodes/retry"); + +// ESM +import { Retrier } from "@humanwhocodes/retry"; +``` + +### Deno + +Install using [JSR](https://jsr.io): + +```shell +deno add @humanwhocodes/retry + +#or + +jsr add @humanwhocodes/retry +``` + +Then import into your Deno project: + +```js +import { Retrier } from "@humanwhocodes/retry"; +``` + +### Bun + +Install using this command: + +``` +bun add @humanwhocodes/retry +``` + +Import into your Bun project: + +```js +import { Retrier } from "@humanwhocodes/retry"; +``` + +### Browser + +It's recommended to import the minified version to save bandwidth: + +```js +import { Retrier } from "https://cdn.skypack.dev/@humanwhocodes/retry?min"; +``` + +However, you can also import the unminified version for debugging purposes: + +```js +import { Retrier } from "https://cdn.skypack.dev/@humanwhocodes/retry"; +``` + +## API + +After importing, create a new instance of `Retrier` and specify the function to run on the error. This function should return `true` if you want the call retried and `false` if not. + +```js +// this instance will retry if the specific error code is found +const retrier = new Retrier(error => { + return error.code === "ENFILE" || error.code === "EMFILE"; +}); +``` + +Then, call the `retry()` method around the function you'd like to retry, such as: + +```js +import fs from "fs/promises"; + +const retrier = new Retrier(error => { + return error.code === "ENFILE" || error.code === "EMFILE"; +}); + +const text = await retrier.retry(() => fs.readFile("README.md", "utf8")); +``` + +The `retry()` method will either pass through the result on success or wait and retry on failure. Any error that isn't caught by the retrier is automatically rejected so the end result is a transparent passing through of both success and failure. + +### Setting a Timeout + +You can control how long a task will attempt to retry before giving up by passing the `timeout` option to the `Retrier` constructor. By default, the timeout is one minute. + +```js +import fs from "fs/promises"; + +const retrier = new Retrier(error => { + return error.code === "ENFILE" || error.code === "EMFILE"; +}, { timeout: 100_000 }); + +const text = await retrier.retry(() => fs.readFile("README.md", "utf8")); +``` + +When a call times out, it rejects the first error that was received from calling the function. + +### Setting a Concurrency Limit + +When processing a large number of function calls, you can limit the number of concurrent function calls by passing the `concurrency` option to the `Retrier` constructor. By default, `concurrency` is 1000. + +```js +import fs from "fs/promises"; + +const retrier = new Retrier(error => { + return error.code === "ENFILE" || error.code === "EMFILE"; +}, { concurrency: 100 }); + +const filenames = getFilenames(); +const contents = await Promise.all( + filenames.map(filename => retrier.retry(() => fs.readFile(filename, "utf8")) +); +``` + +### Aborting with `AbortSignal` + +You can also pass an `AbortSignal` to cancel a retry: + +```js +import fs from "fs/promises"; + +const controller = new AbortController(); +const retrier = new Retrier(error => { + return error.code === "ENFILE" || error.code === "EMFILE"; +}); + +const text = await retrier.retry( + () => fs.readFile("README.md", "utf8"), + { signal: controller.signal } +); +``` + +## Developer Setup + +1. Fork the repository +2. Clone your fork +3. Run `npm install` to setup dependencies +4. Run `npm test` to run tests + +### Debug Output + +Enable debugging output by setting the `DEBUG` environment variable to `"@hwc/retry"` before running. + +## License + +Apache 2.0 + +## Prior Art + +This utility is inspired by, and contains code from [`graceful-fs`](https://github.com/isaacs/node-graceful-fs). + +[npm]: https://npmjs.com/ +[yarn]: https://yarnpkg.com/ diff --git a/module/node_modules/@humanwhocodes/retry/dist/retrier.cjs b/module/node_modules/@humanwhocodes/retry/dist/retrier.cjs new file mode 100644 index 000000000..635e1e089 --- /dev/null +++ b/module/node_modules/@humanwhocodes/retry/dist/retrier.cjs @@ -0,0 +1,478 @@ +'use strict'; + +/** + * @fileoverview A utility for retrying failed async method calls. + */ + +/* global setTimeout, clearTimeout */ + +//----------------------------------------------------------------------------- +// Constants +//----------------------------------------------------------------------------- + +const MAX_TASK_TIMEOUT = 60000; +const MAX_TASK_DELAY = 100; +const MAX_CONCURRENCY = 1000; + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/** + * Logs a message to the console if the DEBUG environment variable is set. + * @param {string} message The message to log. + * @returns {void} + */ +function debug(message) { + if (globalThis?.process?.env.DEBUG === "@hwc/retry") { + console.debug(message); + } +} + +/* + * The following logic has been extracted from graceful-fs. + * + * The ISC License + * + * Copyright (c) 2011-2023 Isaac Z. Schlueter, Ben Noordhuis, and Contributors + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/** + * Checks if it is time to retry a task based on the timestamp and last attempt time. + * @param {RetryTask} task The task to check. + * @param {number} maxDelay The maximum delay for the queue. + * @returns {boolean} true if it is time to retry, false otherwise. + */ +function isTimeToRetry(task, maxDelay) { + const timeSinceLastAttempt = Date.now() - task.lastAttempt; + const timeSinceStart = Math.max(task.lastAttempt - task.timestamp, 1); + const desiredDelay = Math.min(timeSinceStart * 1.2, maxDelay); + + return timeSinceLastAttempt >= desiredDelay; +} + +/** + * Checks if it is time to bail out based on the given timestamp. + * @param {RetryTask} task The task to check. + * @param {number} timeout The timeout for the queue. + * @returns {boolean} true if it is time to bail, false otherwise. + */ +function isTimeToBail(task, timeout) { + return task.age > timeout; +} + +/** + * Creates a new promise with resolve and reject functions. + * @returns {{promise:Promise, resolve:(value:any) => any, reject: (value:any) => any}} A new promise. + */ +function createPromise() { + if (Promise.withResolvers) { + return Promise.withResolvers(); + } + + let resolve, reject; + + const promise = new Promise((res, rej) => { + resolve = res; + reject = rej; + }); + + if (resolve === undefined || reject === undefined) { + throw new Error("Promise executor did not initialize resolve or reject."); + } + + return { promise, resolve, reject }; +} + + +/** + * A class to represent a task in the retry queue. + */ +class RetryTask { + + /** + * The unique ID for the task. + * @type {string} + */ + id = Math.random().toString(36).slice(2); + + /** + * The function to call. + * @type {Function} + */ + fn; + + /** + * The error that was thrown. + * @type {Error} + */ + error; + + /** + * The timestamp of the task. + * @type {number} + */ + timestamp = Date.now(); + + /** + * The timestamp of the last attempt. + * @type {number} + */ + lastAttempt = this.timestamp; + + /** + * The resolve function for the promise. + * @type {Function} + */ + resolve; + + /** + * The reject function for the promise. + * @type {Function} + */ + reject; + + /** + * The AbortSignal to monitor for cancellation. + * @type {AbortSignal|undefined} + */ + signal; + + /** + * Creates a new instance. + * @param {Function} fn The function to call. + * @param {Error} error The error that was thrown. + * @param {Function} resolve The resolve function for the promise. + * @param {Function} reject The reject function for the promise. + * @param {AbortSignal|undefined} signal The AbortSignal to monitor for cancellation. + */ + constructor(fn, error, resolve, reject, signal) { + this.fn = fn; + this.error = error; + this.timestamp = Date.now(); + this.lastAttempt = Date.now(); + this.resolve = resolve; + this.reject = reject; + this.signal = signal; + } + + /** + * Gets the age of the task. + * @returns {number} The age of the task in milliseconds. + * @readonly + */ + get age() { + return Date.now() - this.timestamp; + } +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * A class that manages a queue of retry jobs. + */ +class Retrier { + + /** + * Represents the queue for processing tasks. + * @type {Array} + */ + #retrying = []; + + /** + * Represents the queue for pending tasks. + * @type {Array} + */ + #pending = []; + + /** + * The number of tasks currently being processed. + * @type {number} + */ + #working = 0; + + /** + * The timeout for the queue. + * @type {number} + */ + #timeout; + + /** + * The maximum delay for the queue. + * @type {number} + */ + #maxDelay; + + /** + * The setTimeout() timer ID. + * @type {NodeJS.Timeout|undefined} + */ + #timerId; + + /** + * The function to call. + * @type {Function} + */ + #check; + + /** + * The maximum number of concurrent tasks. + * @type {number} + */ + #concurrency; + + /** + * Creates a new instance. + * @param {Function} check The function to call. + * @param {object} [options] The options for the instance. + * @param {number} [options.timeout] The timeout for the queue. + * @param {number} [options.maxDelay] The maximum delay for the queue. + * @param {number} [options.concurrency] The maximum number of concurrent tasks. + */ + constructor(check, { timeout = MAX_TASK_TIMEOUT, maxDelay = MAX_TASK_DELAY, concurrency = MAX_CONCURRENCY } = {}) { + + if (typeof check !== "function") { + throw new Error("Missing function to check errors"); + } + + this.#check = check; + this.#timeout = timeout; + this.#maxDelay = maxDelay; + this.#concurrency = concurrency; + } + + /** + * Gets the number of tasks waiting to be retried. + * @returns {number} The number of tasks in the retry queue. + */ + get retrying() { + return this.#retrying.length; + } + + /** + * Gets the number of tasks waiting to be processed in the pending queue. + * @returns {number} The number of tasks in the pending queue. + */ + get pending() { + return this.#pending.length; + } + + /** + * Gets the number of tasks currently being processed. + * @returns {number} The number of tasks currently being processed. + */ + get working() { + return this.#working; + } + + /** + * Calls the function and retries if it fails. + * @param {Function} fn The function to call. + * @param {Object} options The options for the job. + * @param {AbortSignal} [options.signal] The AbortSignal to monitor for cancellation. + * @param {Promise} options.promise The promise to return when the function settles. + * @param {Function} options.resolve The resolve function for the promise. + * @param {Function} options.reject The reject function for the promise. + * @returns {Promise} A promise that resolves when the function is + * called successfully. + */ + #call(fn, { signal, promise, resolve, reject }) { + + let result; + + try { + result = fn(); + } catch (/** @type {any} */ error) { + reject(new Error(`Synchronous error: ${error.message}`, { cause: error })); + return promise; + } + + // if the result is not a promise then reject an error + if (!result || typeof result.then !== "function") { + reject(new Error("Result is not a promise.")); + return promise; + } + + this.#working++; + promise.finally(() => { + this.#working--; + this.#processPending(); + }) + // `promise.finally` creates a new promise that may be rejected, so it must be handled. + .catch(() => { }); + + // call the original function and catch any ENFILE or EMFILE errors + Promise.resolve(result) + .then(value => { + debug("Function called successfully without retry."); + resolve(value); + }) + .catch(error => { + if (!this.#check(error)) { + reject(error); + return; + } + + const task = new RetryTask(fn, error, resolve, reject, signal); + + debug(`Function failed, queuing for retry with task ${task.id}.`); + this.#retrying.push(task); + + signal?.addEventListener("abort", () => { + debug(`Task ${task.id} was aborted due to AbortSignal.`); + reject(signal.reason); + }); + + this.#processQueue(); + }); + + return promise; + } + + /** + * Adds a new retry job to the queue. + * @template {(...args: unknown[]) => Promise} Func + * @template {Awaited>} RetVal + * @param {Func} fn The function to call. + * @param {object} [options] The options for the job. + * @param {AbortSignal} [options.signal] The AbortSignal to monitor for cancellation. + * @returns {Promise} A promise that resolves when the queue is processed. + */ + retry(fn, { signal } = {}) { + + signal?.throwIfAborted(); + + const { promise, resolve, reject } = createPromise(); + + this.#pending.push(() => this.#call(fn, { signal, promise, resolve, reject })); + this.#processPending(); + + return promise; + } + + + /** + * Processes the pending queue and the retry queue. + * @returns {void} + */ + #processAll() { + if (this.pending) { + this.#processPending(); + } + + if (this.retrying) { + this.#processQueue(); + } + } + + /** + * Processes the pending queue to see which tasks can be started. + * @returns {void} + */ + #processPending() { + + debug(`Processing pending tasks: ${this.pending} pending, ${this.working} working.`); + + const available = this.#concurrency - this.working; + + if (available <= 0) { + return; + } + + const count = Math.min(this.pending, available); + + for (let i = 0; i < count; i++) { + const task = this.#pending.shift(); + task?.(); + } + + debug(`Processed pending tasks: ${this.pending} pending, ${this.working} working.`); + } + + /** + * Processes the queue. + * @returns {void} + */ + #processQueue() { + // clear any timer because we're going to check right now + clearTimeout(this.#timerId); + this.#timerId = undefined; + + debug(`Processing retry queue: ${this.retrying} retrying, ${this.working} working.`); + + const processAgain = () => { + this.#timerId = setTimeout(() => this.#processAll(), 0); + }; + + // if there's nothing in the queue, we're done + const task = this.#retrying.shift(); + if (!task) { + debug("Queue is empty, exiting."); + + if (this.pending) { + processAgain(); + } + return; + } + + // if it's time to bail, then bail + if (isTimeToBail(task, this.#timeout)) { + debug(`Task ${task.id} was abandoned due to timeout.`); + task.reject(task.error); + processAgain(); + return; + } + + // if it's not time to retry, then wait and try again + if (!isTimeToRetry(task, this.#maxDelay)) { + debug(`Task ${task.id} is not ready to retry, skipping.`); + this.#retrying.push(task); + processAgain(); + return; + } + + // otherwise, try again + task.lastAttempt = Date.now(); + + // Promise.resolve needed in case it's a thenable but not a Promise + Promise.resolve(task.fn()) + // @ts-ignore because we know it's any + .then(result => { + debug(`Task ${task.id} succeeded after ${task.age}ms.`); + task.resolve(result); + }) + + // @ts-ignore because we know it's any + .catch(error => { + if (!this.#check(error)) { + debug(`Task ${task.id} failed with non-retryable error: ${error.message}.`); + task.reject(error); + return; + } + + // update the task timestamp and push to back of queue to try again + task.lastAttempt = Date.now(); + this.#retrying.push(task); + debug(`Task ${task.id} failed, requeueing to try again.`); + }) + .finally(() => { + this.#processAll(); + }); + } +} + +exports.Retrier = Retrier; diff --git a/module/node_modules/@humanwhocodes/retry/dist/retrier.d.cts b/module/node_modules/@humanwhocodes/retry/dist/retrier.d.cts new file mode 100644 index 000000000..2d3811efa --- /dev/null +++ b/module/node_modules/@humanwhocodes/retry/dist/retrier.d.cts @@ -0,0 +1,46 @@ +/** + * A class that manages a queue of retry jobs. + */ +export class Retrier { + /** + * Creates a new instance. + * @param {Function} check The function to call. + * @param {object} [options] The options for the instance. + * @param {number} [options.timeout] The timeout for the queue. + * @param {number} [options.maxDelay] The maximum delay for the queue. + * @param {number} [options.concurrency] The maximum number of concurrent tasks. + */ + constructor(check: Function, { timeout, maxDelay, concurrency }?: { + timeout?: number | undefined; + maxDelay?: number | undefined; + concurrency?: number | undefined; + } | undefined); + /** + * Gets the number of tasks waiting to be retried. + * @returns {number} The number of tasks in the retry queue. + */ + get retrying(): number; + /** + * Gets the number of tasks waiting to be processed in the pending queue. + * @returns {number} The number of tasks in the pending queue. + */ + get pending(): number; + /** + * Gets the number of tasks currently being processed. + * @returns {number} The number of tasks currently being processed. + */ + get working(): number; + /** + * Adds a new retry job to the queue. + * @template {(...args: unknown[]) => Promise} Func + * @template {Awaited>} RetVal + * @param {Func} fn The function to call. + * @param {object} [options] The options for the job. + * @param {AbortSignal} [options.signal] The AbortSignal to monitor for cancellation. + * @returns {Promise} A promise that resolves when the queue is processed. + */ + retry Promise, RetVal extends Awaited>>(fn: Func, { signal }?: { + signal?: AbortSignal | undefined; + } | undefined): Promise; + #private; +} diff --git a/module/node_modules/@humanwhocodes/retry/dist/retrier.d.ts b/module/node_modules/@humanwhocodes/retry/dist/retrier.d.ts new file mode 100644 index 000000000..2d3811efa --- /dev/null +++ b/module/node_modules/@humanwhocodes/retry/dist/retrier.d.ts @@ -0,0 +1,46 @@ +/** + * A class that manages a queue of retry jobs. + */ +export class Retrier { + /** + * Creates a new instance. + * @param {Function} check The function to call. + * @param {object} [options] The options for the instance. + * @param {number} [options.timeout] The timeout for the queue. + * @param {number} [options.maxDelay] The maximum delay for the queue. + * @param {number} [options.concurrency] The maximum number of concurrent tasks. + */ + constructor(check: Function, { timeout, maxDelay, concurrency }?: { + timeout?: number | undefined; + maxDelay?: number | undefined; + concurrency?: number | undefined; + } | undefined); + /** + * Gets the number of tasks waiting to be retried. + * @returns {number} The number of tasks in the retry queue. + */ + get retrying(): number; + /** + * Gets the number of tasks waiting to be processed in the pending queue. + * @returns {number} The number of tasks in the pending queue. + */ + get pending(): number; + /** + * Gets the number of tasks currently being processed. + * @returns {number} The number of tasks currently being processed. + */ + get working(): number; + /** + * Adds a new retry job to the queue. + * @template {(...args: unknown[]) => Promise} Func + * @template {Awaited>} RetVal + * @param {Func} fn The function to call. + * @param {object} [options] The options for the job. + * @param {AbortSignal} [options.signal] The AbortSignal to monitor for cancellation. + * @returns {Promise} A promise that resolves when the queue is processed. + */ + retry Promise, RetVal extends Awaited>>(fn: Func, { signal }?: { + signal?: AbortSignal | undefined; + } | undefined): Promise; + #private; +} diff --git a/module/node_modules/@humanwhocodes/retry/dist/retrier.js b/module/node_modules/@humanwhocodes/retry/dist/retrier.js new file mode 100644 index 000000000..29c9d3ea7 --- /dev/null +++ b/module/node_modules/@humanwhocodes/retry/dist/retrier.js @@ -0,0 +1,477 @@ +// @ts-self-types="./retrier.d.ts" +/** + * @fileoverview A utility for retrying failed async method calls. + */ + +/* global setTimeout, clearTimeout */ + +//----------------------------------------------------------------------------- +// Constants +//----------------------------------------------------------------------------- + +const MAX_TASK_TIMEOUT = 60000; +const MAX_TASK_DELAY = 100; +const MAX_CONCURRENCY = 1000; + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/** + * Logs a message to the console if the DEBUG environment variable is set. + * @param {string} message The message to log. + * @returns {void} + */ +function debug(message) { + if (globalThis?.process?.env.DEBUG === "@hwc/retry") { + console.debug(message); + } +} + +/* + * The following logic has been extracted from graceful-fs. + * + * The ISC License + * + * Copyright (c) 2011-2023 Isaac Z. Schlueter, Ben Noordhuis, and Contributors + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/** + * Checks if it is time to retry a task based on the timestamp and last attempt time. + * @param {RetryTask} task The task to check. + * @param {number} maxDelay The maximum delay for the queue. + * @returns {boolean} true if it is time to retry, false otherwise. + */ +function isTimeToRetry(task, maxDelay) { + const timeSinceLastAttempt = Date.now() - task.lastAttempt; + const timeSinceStart = Math.max(task.lastAttempt - task.timestamp, 1); + const desiredDelay = Math.min(timeSinceStart * 1.2, maxDelay); + + return timeSinceLastAttempt >= desiredDelay; +} + +/** + * Checks if it is time to bail out based on the given timestamp. + * @param {RetryTask} task The task to check. + * @param {number} timeout The timeout for the queue. + * @returns {boolean} true if it is time to bail, false otherwise. + */ +function isTimeToBail(task, timeout) { + return task.age > timeout; +} + +/** + * Creates a new promise with resolve and reject functions. + * @returns {{promise:Promise, resolve:(value:any) => any, reject: (value:any) => any}} A new promise. + */ +function createPromise() { + if (Promise.withResolvers) { + return Promise.withResolvers(); + } + + let resolve, reject; + + const promise = new Promise((res, rej) => { + resolve = res; + reject = rej; + }); + + if (resolve === undefined || reject === undefined) { + throw new Error("Promise executor did not initialize resolve or reject."); + } + + return { promise, resolve, reject }; +} + + +/** + * A class to represent a task in the retry queue. + */ +class RetryTask { + + /** + * The unique ID for the task. + * @type {string} + */ + id = Math.random().toString(36).slice(2); + + /** + * The function to call. + * @type {Function} + */ + fn; + + /** + * The error that was thrown. + * @type {Error} + */ + error; + + /** + * The timestamp of the task. + * @type {number} + */ + timestamp = Date.now(); + + /** + * The timestamp of the last attempt. + * @type {number} + */ + lastAttempt = this.timestamp; + + /** + * The resolve function for the promise. + * @type {Function} + */ + resolve; + + /** + * The reject function for the promise. + * @type {Function} + */ + reject; + + /** + * The AbortSignal to monitor for cancellation. + * @type {AbortSignal|undefined} + */ + signal; + + /** + * Creates a new instance. + * @param {Function} fn The function to call. + * @param {Error} error The error that was thrown. + * @param {Function} resolve The resolve function for the promise. + * @param {Function} reject The reject function for the promise. + * @param {AbortSignal|undefined} signal The AbortSignal to monitor for cancellation. + */ + constructor(fn, error, resolve, reject, signal) { + this.fn = fn; + this.error = error; + this.timestamp = Date.now(); + this.lastAttempt = Date.now(); + this.resolve = resolve; + this.reject = reject; + this.signal = signal; + } + + /** + * Gets the age of the task. + * @returns {number} The age of the task in milliseconds. + * @readonly + */ + get age() { + return Date.now() - this.timestamp; + } +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * A class that manages a queue of retry jobs. + */ +class Retrier { + + /** + * Represents the queue for processing tasks. + * @type {Array} + */ + #retrying = []; + + /** + * Represents the queue for pending tasks. + * @type {Array} + */ + #pending = []; + + /** + * The number of tasks currently being processed. + * @type {number} + */ + #working = 0; + + /** + * The timeout for the queue. + * @type {number} + */ + #timeout; + + /** + * The maximum delay for the queue. + * @type {number} + */ + #maxDelay; + + /** + * The setTimeout() timer ID. + * @type {NodeJS.Timeout|undefined} + */ + #timerId; + + /** + * The function to call. + * @type {Function} + */ + #check; + + /** + * The maximum number of concurrent tasks. + * @type {number} + */ + #concurrency; + + /** + * Creates a new instance. + * @param {Function} check The function to call. + * @param {object} [options] The options for the instance. + * @param {number} [options.timeout] The timeout for the queue. + * @param {number} [options.maxDelay] The maximum delay for the queue. + * @param {number} [options.concurrency] The maximum number of concurrent tasks. + */ + constructor(check, { timeout = MAX_TASK_TIMEOUT, maxDelay = MAX_TASK_DELAY, concurrency = MAX_CONCURRENCY } = {}) { + + if (typeof check !== "function") { + throw new Error("Missing function to check errors"); + } + + this.#check = check; + this.#timeout = timeout; + this.#maxDelay = maxDelay; + this.#concurrency = concurrency; + } + + /** + * Gets the number of tasks waiting to be retried. + * @returns {number} The number of tasks in the retry queue. + */ + get retrying() { + return this.#retrying.length; + } + + /** + * Gets the number of tasks waiting to be processed in the pending queue. + * @returns {number} The number of tasks in the pending queue. + */ + get pending() { + return this.#pending.length; + } + + /** + * Gets the number of tasks currently being processed. + * @returns {number} The number of tasks currently being processed. + */ + get working() { + return this.#working; + } + + /** + * Calls the function and retries if it fails. + * @param {Function} fn The function to call. + * @param {Object} options The options for the job. + * @param {AbortSignal} [options.signal] The AbortSignal to monitor for cancellation. + * @param {Promise} options.promise The promise to return when the function settles. + * @param {Function} options.resolve The resolve function for the promise. + * @param {Function} options.reject The reject function for the promise. + * @returns {Promise} A promise that resolves when the function is + * called successfully. + */ + #call(fn, { signal, promise, resolve, reject }) { + + let result; + + try { + result = fn(); + } catch (/** @type {any} */ error) { + reject(new Error(`Synchronous error: ${error.message}`, { cause: error })); + return promise; + } + + // if the result is not a promise then reject an error + if (!result || typeof result.then !== "function") { + reject(new Error("Result is not a promise.")); + return promise; + } + + this.#working++; + promise.finally(() => { + this.#working--; + this.#processPending(); + }) + // `promise.finally` creates a new promise that may be rejected, so it must be handled. + .catch(() => { }); + + // call the original function and catch any ENFILE or EMFILE errors + Promise.resolve(result) + .then(value => { + debug("Function called successfully without retry."); + resolve(value); + }) + .catch(error => { + if (!this.#check(error)) { + reject(error); + return; + } + + const task = new RetryTask(fn, error, resolve, reject, signal); + + debug(`Function failed, queuing for retry with task ${task.id}.`); + this.#retrying.push(task); + + signal?.addEventListener("abort", () => { + debug(`Task ${task.id} was aborted due to AbortSignal.`); + reject(signal.reason); + }); + + this.#processQueue(); + }); + + return promise; + } + + /** + * Adds a new retry job to the queue. + * @template {(...args: unknown[]) => Promise} Func + * @template {Awaited>} RetVal + * @param {Func} fn The function to call. + * @param {object} [options] The options for the job. + * @param {AbortSignal} [options.signal] The AbortSignal to monitor for cancellation. + * @returns {Promise} A promise that resolves when the queue is processed. + */ + retry(fn, { signal } = {}) { + + signal?.throwIfAborted(); + + const { promise, resolve, reject } = createPromise(); + + this.#pending.push(() => this.#call(fn, { signal, promise, resolve, reject })); + this.#processPending(); + + return promise; + } + + + /** + * Processes the pending queue and the retry queue. + * @returns {void} + */ + #processAll() { + if (this.pending) { + this.#processPending(); + } + + if (this.retrying) { + this.#processQueue(); + } + } + + /** + * Processes the pending queue to see which tasks can be started. + * @returns {void} + */ + #processPending() { + + debug(`Processing pending tasks: ${this.pending} pending, ${this.working} working.`); + + const available = this.#concurrency - this.working; + + if (available <= 0) { + return; + } + + const count = Math.min(this.pending, available); + + for (let i = 0; i < count; i++) { + const task = this.#pending.shift(); + task?.(); + } + + debug(`Processed pending tasks: ${this.pending} pending, ${this.working} working.`); + } + + /** + * Processes the queue. + * @returns {void} + */ + #processQueue() { + // clear any timer because we're going to check right now + clearTimeout(this.#timerId); + this.#timerId = undefined; + + debug(`Processing retry queue: ${this.retrying} retrying, ${this.working} working.`); + + const processAgain = () => { + this.#timerId = setTimeout(() => this.#processAll(), 0); + }; + + // if there's nothing in the queue, we're done + const task = this.#retrying.shift(); + if (!task) { + debug("Queue is empty, exiting."); + + if (this.pending) { + processAgain(); + } + return; + } + + // if it's time to bail, then bail + if (isTimeToBail(task, this.#timeout)) { + debug(`Task ${task.id} was abandoned due to timeout.`); + task.reject(task.error); + processAgain(); + return; + } + + // if it's not time to retry, then wait and try again + if (!isTimeToRetry(task, this.#maxDelay)) { + debug(`Task ${task.id} is not ready to retry, skipping.`); + this.#retrying.push(task); + processAgain(); + return; + } + + // otherwise, try again + task.lastAttempt = Date.now(); + + // Promise.resolve needed in case it's a thenable but not a Promise + Promise.resolve(task.fn()) + // @ts-ignore because we know it's any + .then(result => { + debug(`Task ${task.id} succeeded after ${task.age}ms.`); + task.resolve(result); + }) + + // @ts-ignore because we know it's any + .catch(error => { + if (!this.#check(error)) { + debug(`Task ${task.id} failed with non-retryable error: ${error.message}.`); + task.reject(error); + return; + } + + // update the task timestamp and push to back of queue to try again + task.lastAttempt = Date.now(); + this.#retrying.push(task); + debug(`Task ${task.id} failed, requeueing to try again.`); + }) + .finally(() => { + this.#processAll(); + }); + } +} + +export { Retrier }; diff --git a/module/node_modules/@humanwhocodes/retry/dist/retrier.min.js b/module/node_modules/@humanwhocodes/retry/dist/retrier.min.js new file mode 100644 index 000000000..376092651 --- /dev/null +++ b/module/node_modules/@humanwhocodes/retry/dist/retrier.min.js @@ -0,0 +1 @@ +function e(e){"@hwc/retry"===globalThis?.process?.env.DEBUG&&console.debug(e)}class RetryTask{id=Math.random().toString(36).slice(2);fn;error;timestamp=Date.now();lastAttempt=this.timestamp;resolve;reject;signal;constructor(e,t,r,i,s){this.fn=e,this.error=t,this.timestamp=Date.now(),this.lastAttempt=Date.now(),this.resolve=r,this.reject=i,this.signal=s}get age(){return Date.now()-this.timestamp}}class Retrier{#e=[];#t=[];#r=0;#i;#s;#n;#o;#c;constructor(e,{timeout:t=6e4,maxDelay:r=100,concurrency:i=1e3}={}){if("function"!=typeof e)throw new Error("Missing function to check errors");this.#o=e,this.#i=t,this.#s=r,this.#c=i}get retrying(){return this.#e.length}get pending(){return this.#t.length}get working(){return this.#r}#a(t,{signal:r,promise:i,resolve:s,reject:n}){let o;try{o=t()}catch(e){return n(new Error(`Synchronous error: ${e.message}`,{cause:e})),i}return o&&"function"==typeof o.then?(this.#r++,i.finally((()=>{this.#r--,this.#h()})).catch((()=>{})),Promise.resolve(o).then((t=>{e("Function called successfully without retry."),s(t)})).catch((i=>{if(!this.#o(i))return void n(i);const o=new RetryTask(t,i,s,n,r);e(`Function failed, queuing for retry with task ${o.id}.`),this.#e.push(o),r?.addEventListener("abort",(()=>{e(`Task ${o.id} was aborted due to AbortSignal.`),n(r.reason)})),this.#g()})),i):(n(new Error("Result is not a promise.")),i)}retry(e,{signal:t}={}){t?.throwIfAborted();const{promise:r,resolve:i,reject:s}=function(){if(Promise.withResolvers)return Promise.withResolvers();let e,t;const r=new Promise(((r,i)=>{e=r,t=i}));if(void 0===e||void 0===t)throw new Error("Promise executor did not initialize resolve or reject.");return{promise:r,resolve:e,reject:t}}();return this.#t.push((()=>this.#a(e,{signal:t,promise:r,resolve:i,reject:s}))),this.#h(),r}#u(){this.pending&&this.#h(),this.retrying&&this.#g()}#h(){e(`Processing pending tasks: ${this.pending} pending, ${this.working} working.`);const t=this.#c-this.working;if(t<=0)return;const r=Math.min(this.pending,t);for(let e=0;e{this.#n=setTimeout((()=>this.#u()),0)},r=this.#e.shift();return r?function(e,t){return e.age>t}(r,this.#i)?(e(`Task ${r.id} was abandoned due to timeout.`),r.reject(r.error),void t()):function(e,t){const r=Date.now()-e.lastAttempt,i=Math.max(e.lastAttempt-e.timestamp,1);return r>=Math.min(1.2*i,t)}(r,this.#s)?(r.lastAttempt=Date.now(),void Promise.resolve(r.fn()).then((t=>{e(`Task ${r.id} succeeded after ${r.age}ms.`),r.resolve(t)})).catch((t=>{if(!this.#o(t))return e(`Task ${r.id} failed with non-retryable error: ${t.message}.`),void r.reject(t);r.lastAttempt=Date.now(),this.#e.push(r),e(`Task ${r.id} failed, requeueing to try again.`)})).finally((()=>{this.#u()}))):(e(`Task ${r.id} is not ready to retry, skipping.`),this.#e.push(r),void t()):(e("Queue is empty, exiting."),void(this.pending&&t()))}}export{Retrier}; diff --git a/module/node_modules/@humanwhocodes/retry/dist/retrier.mjs b/module/node_modules/@humanwhocodes/retry/dist/retrier.mjs new file mode 100644 index 000000000..a05cd0d17 --- /dev/null +++ b/module/node_modules/@humanwhocodes/retry/dist/retrier.mjs @@ -0,0 +1,476 @@ +/** + * @fileoverview A utility for retrying failed async method calls. + */ + +/* global setTimeout, clearTimeout */ + +//----------------------------------------------------------------------------- +// Constants +//----------------------------------------------------------------------------- + +const MAX_TASK_TIMEOUT = 60000; +const MAX_TASK_DELAY = 100; +const MAX_CONCURRENCY = 1000; + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/** + * Logs a message to the console if the DEBUG environment variable is set. + * @param {string} message The message to log. + * @returns {void} + */ +function debug(message) { + if (globalThis?.process?.env.DEBUG === "@hwc/retry") { + console.debug(message); + } +} + +/* + * The following logic has been extracted from graceful-fs. + * + * The ISC License + * + * Copyright (c) 2011-2023 Isaac Z. Schlueter, Ben Noordhuis, and Contributors + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/** + * Checks if it is time to retry a task based on the timestamp and last attempt time. + * @param {RetryTask} task The task to check. + * @param {number} maxDelay The maximum delay for the queue. + * @returns {boolean} true if it is time to retry, false otherwise. + */ +function isTimeToRetry(task, maxDelay) { + const timeSinceLastAttempt = Date.now() - task.lastAttempt; + const timeSinceStart = Math.max(task.lastAttempt - task.timestamp, 1); + const desiredDelay = Math.min(timeSinceStart * 1.2, maxDelay); + + return timeSinceLastAttempt >= desiredDelay; +} + +/** + * Checks if it is time to bail out based on the given timestamp. + * @param {RetryTask} task The task to check. + * @param {number} timeout The timeout for the queue. + * @returns {boolean} true if it is time to bail, false otherwise. + */ +function isTimeToBail(task, timeout) { + return task.age > timeout; +} + +/** + * Creates a new promise with resolve and reject functions. + * @returns {{promise:Promise, resolve:(value:any) => any, reject: (value:any) => any}} A new promise. + */ +function createPromise() { + if (Promise.withResolvers) { + return Promise.withResolvers(); + } + + let resolve, reject; + + const promise = new Promise((res, rej) => { + resolve = res; + reject = rej; + }); + + if (resolve === undefined || reject === undefined) { + throw new Error("Promise executor did not initialize resolve or reject."); + } + + return { promise, resolve, reject }; +} + + +/** + * A class to represent a task in the retry queue. + */ +class RetryTask { + + /** + * The unique ID for the task. + * @type {string} + */ + id = Math.random().toString(36).slice(2); + + /** + * The function to call. + * @type {Function} + */ + fn; + + /** + * The error that was thrown. + * @type {Error} + */ + error; + + /** + * The timestamp of the task. + * @type {number} + */ + timestamp = Date.now(); + + /** + * The timestamp of the last attempt. + * @type {number} + */ + lastAttempt = this.timestamp; + + /** + * The resolve function for the promise. + * @type {Function} + */ + resolve; + + /** + * The reject function for the promise. + * @type {Function} + */ + reject; + + /** + * The AbortSignal to monitor for cancellation. + * @type {AbortSignal|undefined} + */ + signal; + + /** + * Creates a new instance. + * @param {Function} fn The function to call. + * @param {Error} error The error that was thrown. + * @param {Function} resolve The resolve function for the promise. + * @param {Function} reject The reject function for the promise. + * @param {AbortSignal|undefined} signal The AbortSignal to monitor for cancellation. + */ + constructor(fn, error, resolve, reject, signal) { + this.fn = fn; + this.error = error; + this.timestamp = Date.now(); + this.lastAttempt = Date.now(); + this.resolve = resolve; + this.reject = reject; + this.signal = signal; + } + + /** + * Gets the age of the task. + * @returns {number} The age of the task in milliseconds. + * @readonly + */ + get age() { + return Date.now() - this.timestamp; + } +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * A class that manages a queue of retry jobs. + */ +class Retrier { + + /** + * Represents the queue for processing tasks. + * @type {Array} + */ + #retrying = []; + + /** + * Represents the queue for pending tasks. + * @type {Array} + */ + #pending = []; + + /** + * The number of tasks currently being processed. + * @type {number} + */ + #working = 0; + + /** + * The timeout for the queue. + * @type {number} + */ + #timeout; + + /** + * The maximum delay for the queue. + * @type {number} + */ + #maxDelay; + + /** + * The setTimeout() timer ID. + * @type {NodeJS.Timeout|undefined} + */ + #timerId; + + /** + * The function to call. + * @type {Function} + */ + #check; + + /** + * The maximum number of concurrent tasks. + * @type {number} + */ + #concurrency; + + /** + * Creates a new instance. + * @param {Function} check The function to call. + * @param {object} [options] The options for the instance. + * @param {number} [options.timeout] The timeout for the queue. + * @param {number} [options.maxDelay] The maximum delay for the queue. + * @param {number} [options.concurrency] The maximum number of concurrent tasks. + */ + constructor(check, { timeout = MAX_TASK_TIMEOUT, maxDelay = MAX_TASK_DELAY, concurrency = MAX_CONCURRENCY } = {}) { + + if (typeof check !== "function") { + throw new Error("Missing function to check errors"); + } + + this.#check = check; + this.#timeout = timeout; + this.#maxDelay = maxDelay; + this.#concurrency = concurrency; + } + + /** + * Gets the number of tasks waiting to be retried. + * @returns {number} The number of tasks in the retry queue. + */ + get retrying() { + return this.#retrying.length; + } + + /** + * Gets the number of tasks waiting to be processed in the pending queue. + * @returns {number} The number of tasks in the pending queue. + */ + get pending() { + return this.#pending.length; + } + + /** + * Gets the number of tasks currently being processed. + * @returns {number} The number of tasks currently being processed. + */ + get working() { + return this.#working; + } + + /** + * Calls the function and retries if it fails. + * @param {Function} fn The function to call. + * @param {Object} options The options for the job. + * @param {AbortSignal} [options.signal] The AbortSignal to monitor for cancellation. + * @param {Promise} options.promise The promise to return when the function settles. + * @param {Function} options.resolve The resolve function for the promise. + * @param {Function} options.reject The reject function for the promise. + * @returns {Promise} A promise that resolves when the function is + * called successfully. + */ + #call(fn, { signal, promise, resolve, reject }) { + + let result; + + try { + result = fn(); + } catch (/** @type {any} */ error) { + reject(new Error(`Synchronous error: ${error.message}`, { cause: error })); + return promise; + } + + // if the result is not a promise then reject an error + if (!result || typeof result.then !== "function") { + reject(new Error("Result is not a promise.")); + return promise; + } + + this.#working++; + promise.finally(() => { + this.#working--; + this.#processPending(); + }) + // `promise.finally` creates a new promise that may be rejected, so it must be handled. + .catch(() => { }); + + // call the original function and catch any ENFILE or EMFILE errors + Promise.resolve(result) + .then(value => { + debug("Function called successfully without retry."); + resolve(value); + }) + .catch(error => { + if (!this.#check(error)) { + reject(error); + return; + } + + const task = new RetryTask(fn, error, resolve, reject, signal); + + debug(`Function failed, queuing for retry with task ${task.id}.`); + this.#retrying.push(task); + + signal?.addEventListener("abort", () => { + debug(`Task ${task.id} was aborted due to AbortSignal.`); + reject(signal.reason); + }); + + this.#processQueue(); + }); + + return promise; + } + + /** + * Adds a new retry job to the queue. + * @template {(...args: unknown[]) => Promise} Func + * @template {Awaited>} RetVal + * @param {Func} fn The function to call. + * @param {object} [options] The options for the job. + * @param {AbortSignal} [options.signal] The AbortSignal to monitor for cancellation. + * @returns {Promise} A promise that resolves when the queue is processed. + */ + retry(fn, { signal } = {}) { + + signal?.throwIfAborted(); + + const { promise, resolve, reject } = createPromise(); + + this.#pending.push(() => this.#call(fn, { signal, promise, resolve, reject })); + this.#processPending(); + + return promise; + } + + + /** + * Processes the pending queue and the retry queue. + * @returns {void} + */ + #processAll() { + if (this.pending) { + this.#processPending(); + } + + if (this.retrying) { + this.#processQueue(); + } + } + + /** + * Processes the pending queue to see which tasks can be started. + * @returns {void} + */ + #processPending() { + + debug(`Processing pending tasks: ${this.pending} pending, ${this.working} working.`); + + const available = this.#concurrency - this.working; + + if (available <= 0) { + return; + } + + const count = Math.min(this.pending, available); + + for (let i = 0; i < count; i++) { + const task = this.#pending.shift(); + task?.(); + } + + debug(`Processed pending tasks: ${this.pending} pending, ${this.working} working.`); + } + + /** + * Processes the queue. + * @returns {void} + */ + #processQueue() { + // clear any timer because we're going to check right now + clearTimeout(this.#timerId); + this.#timerId = undefined; + + debug(`Processing retry queue: ${this.retrying} retrying, ${this.working} working.`); + + const processAgain = () => { + this.#timerId = setTimeout(() => this.#processAll(), 0); + }; + + // if there's nothing in the queue, we're done + const task = this.#retrying.shift(); + if (!task) { + debug("Queue is empty, exiting."); + + if (this.pending) { + processAgain(); + } + return; + } + + // if it's time to bail, then bail + if (isTimeToBail(task, this.#timeout)) { + debug(`Task ${task.id} was abandoned due to timeout.`); + task.reject(task.error); + processAgain(); + return; + } + + // if it's not time to retry, then wait and try again + if (!isTimeToRetry(task, this.#maxDelay)) { + debug(`Task ${task.id} is not ready to retry, skipping.`); + this.#retrying.push(task); + processAgain(); + return; + } + + // otherwise, try again + task.lastAttempt = Date.now(); + + // Promise.resolve needed in case it's a thenable but not a Promise + Promise.resolve(task.fn()) + // @ts-ignore because we know it's any + .then(result => { + debug(`Task ${task.id} succeeded after ${task.age}ms.`); + task.resolve(result); + }) + + // @ts-ignore because we know it's any + .catch(error => { + if (!this.#check(error)) { + debug(`Task ${task.id} failed with non-retryable error: ${error.message}.`); + task.reject(error); + return; + } + + // update the task timestamp and push to back of queue to try again + task.lastAttempt = Date.now(); + this.#retrying.push(task); + debug(`Task ${task.id} failed, requeueing to try again.`); + }) + .finally(() => { + this.#processAll(); + }); + } +} + +export { Retrier }; diff --git a/module/node_modules/@humanwhocodes/retry/package.json b/module/node_modules/@humanwhocodes/retry/package.json new file mode 100644 index 000000000..df8e94376 --- /dev/null +++ b/module/node_modules/@humanwhocodes/retry/package.json @@ -0,0 +1,77 @@ +{ + "name": "@humanwhocodes/retry", + "version": "0.4.3", + "description": "A utility to retry failed async methods.", + "type": "module", + "main": "dist/retrier.cjs", + "module": "dist/retrier.js", + "types": "dist/retrier.d.ts", + "exports": { + "require": { + "types": "./dist/retrier.d.cts", + "default": "./dist/retrier.cjs" + }, + "import": { + "types": "./dist/retrier.d.ts", + "default": "./dist/retrier.js" + } + }, + "files": [ + "dist" + ], + "engines": { + "node": ">=18.18" + }, + "publishConfig": { + "access": "public" + }, + "gitHooks": { + "pre-commit": "lint-staged" + }, + "lint-staged": { + "*.js": [ + "eslint --fix" + ] + }, + "funding": { + "type": "github", + "url": "https://github.com/sponsors/nzakas" + }, + "scripts": { + "build:cts-types": "node -e \"fs.copyFileSync('dist/retrier.d.ts', 'dist/retrier.d.cts')\"", + "build": "rollup -c && tsc && npm run build:cts-types", + "prepare": "npm run build", + "lint": "eslint src/ tests/", + "pretest": "npm run build", + "test:unit": "mocha tests/retrier.test.js", + "test:build": "node tests/pkg.test.cjs && node tests/pkg.test.mjs", + "test:jsr": "npx jsr@latest publish --dry-run", + "test:emfile": "node tools/check-emfile-handling.js", + "test": "npm run test:unit && npm run test:build" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/humanwhocodes/retry.git" + }, + "keywords": [ + "nodejs", + "retry", + "async", + "promises" + ], + "author": "Nicholas C. Zaks", + "license": "Apache-2.0", + "devDependencies": { + "@eslint/js": "^8.49.0", + "@rollup/plugin-terser": "0.4.4", + "@tsconfig/node16": "^16.1.1", + "@types/mocha": "^10.0.3", + "@types/node": "20.12.6", + "eslint": "^8.21.0", + "lint-staged": "15.2.1", + "mocha": "^10.3.0", + "rollup": "3.29.4", + "typescript": "5.4.4", + "yorkie": "2.0.0" + } +} diff --git a/module/node_modules/@types/estree/LICENSE b/module/node_modules/@types/estree/LICENSE new file mode 100644 index 000000000..9e841e7a2 --- /dev/null +++ b/module/node_modules/@types/estree/LICENSE @@ -0,0 +1,21 @@ + MIT License + + Copyright (c) Microsoft Corporation. + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in all + copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + SOFTWARE diff --git a/module/node_modules/@types/estree/README.md b/module/node_modules/@types/estree/README.md new file mode 100644 index 000000000..3a8c04158 --- /dev/null +++ b/module/node_modules/@types/estree/README.md @@ -0,0 +1,15 @@ +# Installation +> `npm install --save @types/estree` + +# Summary +This package contains type definitions for estree (https://github.com/estree/estree). + +# Details +Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/estree. + +### Additional Details + * Last updated: Fri, 06 Jun 2025 00:04:33 GMT + * Dependencies: none + +# Credits +These definitions were written by [RReverser](https://github.com/RReverser). diff --git a/module/node_modules/@types/estree/flow.d.ts b/module/node_modules/@types/estree/flow.d.ts new file mode 100644 index 000000000..9d001a92b --- /dev/null +++ b/module/node_modules/@types/estree/flow.d.ts @@ -0,0 +1,167 @@ +declare namespace ESTree { + interface FlowTypeAnnotation extends Node {} + + interface FlowBaseTypeAnnotation extends FlowTypeAnnotation {} + + interface FlowLiteralTypeAnnotation extends FlowTypeAnnotation, Literal {} + + interface FlowDeclaration extends Declaration {} + + interface AnyTypeAnnotation extends FlowBaseTypeAnnotation {} + + interface ArrayTypeAnnotation extends FlowTypeAnnotation { + elementType: FlowTypeAnnotation; + } + + interface BooleanLiteralTypeAnnotation extends FlowLiteralTypeAnnotation {} + + interface BooleanTypeAnnotation extends FlowBaseTypeAnnotation {} + + interface ClassImplements extends Node { + id: Identifier; + typeParameters?: TypeParameterInstantiation | null; + } + + interface ClassProperty { + key: Expression; + value?: Expression | null; + typeAnnotation?: TypeAnnotation | null; + computed: boolean; + static: boolean; + } + + interface DeclareClass extends FlowDeclaration { + id: Identifier; + typeParameters?: TypeParameterDeclaration | null; + body: ObjectTypeAnnotation; + extends: InterfaceExtends[]; + } + + interface DeclareFunction extends FlowDeclaration { + id: Identifier; + } + + interface DeclareModule extends FlowDeclaration { + id: Literal | Identifier; + body: BlockStatement; + } + + interface DeclareVariable extends FlowDeclaration { + id: Identifier; + } + + interface FunctionTypeAnnotation extends FlowTypeAnnotation { + params: FunctionTypeParam[]; + returnType: FlowTypeAnnotation; + rest?: FunctionTypeParam | null; + typeParameters?: TypeParameterDeclaration | null; + } + + interface FunctionTypeParam { + name: Identifier; + typeAnnotation: FlowTypeAnnotation; + optional: boolean; + } + + interface GenericTypeAnnotation extends FlowTypeAnnotation { + id: Identifier | QualifiedTypeIdentifier; + typeParameters?: TypeParameterInstantiation | null; + } + + interface InterfaceExtends extends Node { + id: Identifier | QualifiedTypeIdentifier; + typeParameters?: TypeParameterInstantiation | null; + } + + interface InterfaceDeclaration extends FlowDeclaration { + id: Identifier; + typeParameters?: TypeParameterDeclaration | null; + extends: InterfaceExtends[]; + body: ObjectTypeAnnotation; + } + + interface IntersectionTypeAnnotation extends FlowTypeAnnotation { + types: FlowTypeAnnotation[]; + } + + interface MixedTypeAnnotation extends FlowBaseTypeAnnotation {} + + interface NullableTypeAnnotation extends FlowTypeAnnotation { + typeAnnotation: TypeAnnotation; + } + + interface NumberLiteralTypeAnnotation extends FlowLiteralTypeAnnotation {} + + interface NumberTypeAnnotation extends FlowBaseTypeAnnotation {} + + interface StringLiteralTypeAnnotation extends FlowLiteralTypeAnnotation {} + + interface StringTypeAnnotation extends FlowBaseTypeAnnotation {} + + interface TupleTypeAnnotation extends FlowTypeAnnotation { + types: FlowTypeAnnotation[]; + } + + interface TypeofTypeAnnotation extends FlowTypeAnnotation { + argument: FlowTypeAnnotation; + } + + interface TypeAlias extends FlowDeclaration { + id: Identifier; + typeParameters?: TypeParameterDeclaration | null; + right: FlowTypeAnnotation; + } + + interface TypeAnnotation extends Node { + typeAnnotation: FlowTypeAnnotation; + } + + interface TypeCastExpression extends Expression { + expression: Expression; + typeAnnotation: TypeAnnotation; + } + + interface TypeParameterDeclaration extends Node { + params: Identifier[]; + } + + interface TypeParameterInstantiation extends Node { + params: FlowTypeAnnotation[]; + } + + interface ObjectTypeAnnotation extends FlowTypeAnnotation { + properties: ObjectTypeProperty[]; + indexers: ObjectTypeIndexer[]; + callProperties: ObjectTypeCallProperty[]; + } + + interface ObjectTypeCallProperty extends Node { + value: FunctionTypeAnnotation; + static: boolean; + } + + interface ObjectTypeIndexer extends Node { + id: Identifier; + key: FlowTypeAnnotation; + value: FlowTypeAnnotation; + static: boolean; + } + + interface ObjectTypeProperty extends Node { + key: Expression; + value: FlowTypeAnnotation; + optional: boolean; + static: boolean; + } + + interface QualifiedTypeIdentifier extends Node { + qualification: Identifier | QualifiedTypeIdentifier; + id: Identifier; + } + + interface UnionTypeAnnotation extends FlowTypeAnnotation { + types: FlowTypeAnnotation[]; + } + + interface VoidTypeAnnotation extends FlowBaseTypeAnnotation {} +} diff --git a/module/node_modules/@types/estree/index.d.ts b/module/node_modules/@types/estree/index.d.ts new file mode 100644 index 000000000..2bc66fb6c --- /dev/null +++ b/module/node_modules/@types/estree/index.d.ts @@ -0,0 +1,694 @@ +// This definition file follows a somewhat unusual format. ESTree allows +// runtime type checks based on the `type` parameter. In order to explain this +// to typescript we want to use discriminated union types: +// https://github.com/Microsoft/TypeScript/pull/9163 +// +// For ESTree this is a bit tricky because the high level interfaces like +// Node or Function are pulling double duty. We want to pass common fields down +// to the interfaces that extend them (like Identifier or +// ArrowFunctionExpression), but you can't extend a type union or enforce +// common fields on them. So we've split the high level interfaces into two +// types, a base type which passes down inherited fields, and a type union of +// all types which extend the base type. Only the type union is exported, and +// the union is how other types refer to the collection of inheriting types. +// +// This makes the definitions file here somewhat more difficult to maintain, +// but it has the notable advantage of making ESTree much easier to use as +// an end user. + +export interface BaseNodeWithoutComments { + // Every leaf interface that extends BaseNode must specify a type property. + // The type property should be a string literal. For example, Identifier + // has: `type: "Identifier"` + type: string; + loc?: SourceLocation | null | undefined; + range?: [number, number] | undefined; +} + +export interface BaseNode extends BaseNodeWithoutComments { + leadingComments?: Comment[] | undefined; + trailingComments?: Comment[] | undefined; +} + +export interface NodeMap { + AssignmentProperty: AssignmentProperty; + CatchClause: CatchClause; + Class: Class; + ClassBody: ClassBody; + Expression: Expression; + Function: Function; + Identifier: Identifier; + Literal: Literal; + MethodDefinition: MethodDefinition; + ModuleDeclaration: ModuleDeclaration; + ModuleSpecifier: ModuleSpecifier; + Pattern: Pattern; + PrivateIdentifier: PrivateIdentifier; + Program: Program; + Property: Property; + PropertyDefinition: PropertyDefinition; + SpreadElement: SpreadElement; + Statement: Statement; + Super: Super; + SwitchCase: SwitchCase; + TemplateElement: TemplateElement; + VariableDeclarator: VariableDeclarator; +} + +export type Node = NodeMap[keyof NodeMap]; + +export interface Comment extends BaseNodeWithoutComments { + type: "Line" | "Block"; + value: string; +} + +export interface SourceLocation { + source?: string | null | undefined; + start: Position; + end: Position; +} + +export interface Position { + /** >= 1 */ + line: number; + /** >= 0 */ + column: number; +} + +export interface Program extends BaseNode { + type: "Program"; + sourceType: "script" | "module"; + body: Array; + comments?: Comment[] | undefined; +} + +export interface Directive extends BaseNode { + type: "ExpressionStatement"; + expression: Literal; + directive: string; +} + +export interface BaseFunction extends BaseNode { + params: Pattern[]; + generator?: boolean | undefined; + async?: boolean | undefined; + // The body is either BlockStatement or Expression because arrow functions + // can have a body that's either. FunctionDeclarations and + // FunctionExpressions have only BlockStatement bodies. + body: BlockStatement | Expression; +} + +export type Function = FunctionDeclaration | FunctionExpression | ArrowFunctionExpression; + +export type Statement = + | ExpressionStatement + | BlockStatement + | StaticBlock + | EmptyStatement + | DebuggerStatement + | WithStatement + | ReturnStatement + | LabeledStatement + | BreakStatement + | ContinueStatement + | IfStatement + | SwitchStatement + | ThrowStatement + | TryStatement + | WhileStatement + | DoWhileStatement + | ForStatement + | ForInStatement + | ForOfStatement + | Declaration; + +export interface BaseStatement extends BaseNode {} + +export interface EmptyStatement extends BaseStatement { + type: "EmptyStatement"; +} + +export interface BlockStatement extends BaseStatement { + type: "BlockStatement"; + body: Statement[]; + innerComments?: Comment[] | undefined; +} + +export interface StaticBlock extends Omit { + type: "StaticBlock"; +} + +export interface ExpressionStatement extends BaseStatement { + type: "ExpressionStatement"; + expression: Expression; +} + +export interface IfStatement extends BaseStatement { + type: "IfStatement"; + test: Expression; + consequent: Statement; + alternate?: Statement | null | undefined; +} + +export interface LabeledStatement extends BaseStatement { + type: "LabeledStatement"; + label: Identifier; + body: Statement; +} + +export interface BreakStatement extends BaseStatement { + type: "BreakStatement"; + label?: Identifier | null | undefined; +} + +export interface ContinueStatement extends BaseStatement { + type: "ContinueStatement"; + label?: Identifier | null | undefined; +} + +export interface WithStatement extends BaseStatement { + type: "WithStatement"; + object: Expression; + body: Statement; +} + +export interface SwitchStatement extends BaseStatement { + type: "SwitchStatement"; + discriminant: Expression; + cases: SwitchCase[]; +} + +export interface ReturnStatement extends BaseStatement { + type: "ReturnStatement"; + argument?: Expression | null | undefined; +} + +export interface ThrowStatement extends BaseStatement { + type: "ThrowStatement"; + argument: Expression; +} + +export interface TryStatement extends BaseStatement { + type: "TryStatement"; + block: BlockStatement; + handler?: CatchClause | null | undefined; + finalizer?: BlockStatement | null | undefined; +} + +export interface WhileStatement extends BaseStatement { + type: "WhileStatement"; + test: Expression; + body: Statement; +} + +export interface DoWhileStatement extends BaseStatement { + type: "DoWhileStatement"; + body: Statement; + test: Expression; +} + +export interface ForStatement extends BaseStatement { + type: "ForStatement"; + init?: VariableDeclaration | Expression | null | undefined; + test?: Expression | null | undefined; + update?: Expression | null | undefined; + body: Statement; +} + +export interface BaseForXStatement extends BaseStatement { + left: VariableDeclaration | Pattern; + right: Expression; + body: Statement; +} + +export interface ForInStatement extends BaseForXStatement { + type: "ForInStatement"; +} + +export interface DebuggerStatement extends BaseStatement { + type: "DebuggerStatement"; +} + +export type Declaration = FunctionDeclaration | VariableDeclaration | ClassDeclaration; + +export interface BaseDeclaration extends BaseStatement {} + +export interface MaybeNamedFunctionDeclaration extends BaseFunction, BaseDeclaration { + type: "FunctionDeclaration"; + /** It is null when a function declaration is a part of the `export default function` statement */ + id: Identifier | null; + body: BlockStatement; +} + +export interface FunctionDeclaration extends MaybeNamedFunctionDeclaration { + id: Identifier; +} + +export interface VariableDeclaration extends BaseDeclaration { + type: "VariableDeclaration"; + declarations: VariableDeclarator[]; + kind: "var" | "let" | "const" | "using" | "await using"; +} + +export interface VariableDeclarator extends BaseNode { + type: "VariableDeclarator"; + id: Pattern; + init?: Expression | null | undefined; +} + +export interface ExpressionMap { + ArrayExpression: ArrayExpression; + ArrowFunctionExpression: ArrowFunctionExpression; + AssignmentExpression: AssignmentExpression; + AwaitExpression: AwaitExpression; + BinaryExpression: BinaryExpression; + CallExpression: CallExpression; + ChainExpression: ChainExpression; + ClassExpression: ClassExpression; + ConditionalExpression: ConditionalExpression; + FunctionExpression: FunctionExpression; + Identifier: Identifier; + ImportExpression: ImportExpression; + Literal: Literal; + LogicalExpression: LogicalExpression; + MemberExpression: MemberExpression; + MetaProperty: MetaProperty; + NewExpression: NewExpression; + ObjectExpression: ObjectExpression; + SequenceExpression: SequenceExpression; + TaggedTemplateExpression: TaggedTemplateExpression; + TemplateLiteral: TemplateLiteral; + ThisExpression: ThisExpression; + UnaryExpression: UnaryExpression; + UpdateExpression: UpdateExpression; + YieldExpression: YieldExpression; +} + +export type Expression = ExpressionMap[keyof ExpressionMap]; + +export interface BaseExpression extends BaseNode {} + +export type ChainElement = SimpleCallExpression | MemberExpression; + +export interface ChainExpression extends BaseExpression { + type: "ChainExpression"; + expression: ChainElement; +} + +export interface ThisExpression extends BaseExpression { + type: "ThisExpression"; +} + +export interface ArrayExpression extends BaseExpression { + type: "ArrayExpression"; + elements: Array; +} + +export interface ObjectExpression extends BaseExpression { + type: "ObjectExpression"; + properties: Array; +} + +export interface PrivateIdentifier extends BaseNode { + type: "PrivateIdentifier"; + name: string; +} + +export interface Property extends BaseNode { + type: "Property"; + key: Expression | PrivateIdentifier; + value: Expression | Pattern; // Could be an AssignmentProperty + kind: "init" | "get" | "set"; + method: boolean; + shorthand: boolean; + computed: boolean; +} + +export interface PropertyDefinition extends BaseNode { + type: "PropertyDefinition"; + key: Expression | PrivateIdentifier; + value?: Expression | null | undefined; + computed: boolean; + static: boolean; +} + +export interface FunctionExpression extends BaseFunction, BaseExpression { + id?: Identifier | null | undefined; + type: "FunctionExpression"; + body: BlockStatement; +} + +export interface SequenceExpression extends BaseExpression { + type: "SequenceExpression"; + expressions: Expression[]; +} + +export interface UnaryExpression extends BaseExpression { + type: "UnaryExpression"; + operator: UnaryOperator; + prefix: true; + argument: Expression; +} + +export interface BinaryExpression extends BaseExpression { + type: "BinaryExpression"; + operator: BinaryOperator; + left: Expression | PrivateIdentifier; + right: Expression; +} + +export interface AssignmentExpression extends BaseExpression { + type: "AssignmentExpression"; + operator: AssignmentOperator; + left: Pattern | MemberExpression; + right: Expression; +} + +export interface UpdateExpression extends BaseExpression { + type: "UpdateExpression"; + operator: UpdateOperator; + argument: Expression; + prefix: boolean; +} + +export interface LogicalExpression extends BaseExpression { + type: "LogicalExpression"; + operator: LogicalOperator; + left: Expression; + right: Expression; +} + +export interface ConditionalExpression extends BaseExpression { + type: "ConditionalExpression"; + test: Expression; + alternate: Expression; + consequent: Expression; +} + +export interface BaseCallExpression extends BaseExpression { + callee: Expression | Super; + arguments: Array; +} +export type CallExpression = SimpleCallExpression | NewExpression; + +export interface SimpleCallExpression extends BaseCallExpression { + type: "CallExpression"; + optional: boolean; +} + +export interface NewExpression extends BaseCallExpression { + type: "NewExpression"; +} + +export interface MemberExpression extends BaseExpression, BasePattern { + type: "MemberExpression"; + object: Expression | Super; + property: Expression | PrivateIdentifier; + computed: boolean; + optional: boolean; +} + +export type Pattern = Identifier | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | MemberExpression; + +export interface BasePattern extends BaseNode {} + +export interface SwitchCase extends BaseNode { + type: "SwitchCase"; + test?: Expression | null | undefined; + consequent: Statement[]; +} + +export interface CatchClause extends BaseNode { + type: "CatchClause"; + param: Pattern | null; + body: BlockStatement; +} + +export interface Identifier extends BaseNode, BaseExpression, BasePattern { + type: "Identifier"; + name: string; +} + +export type Literal = SimpleLiteral | RegExpLiteral | BigIntLiteral; + +export interface SimpleLiteral extends BaseNode, BaseExpression { + type: "Literal"; + value: string | boolean | number | null; + raw?: string | undefined; +} + +export interface RegExpLiteral extends BaseNode, BaseExpression { + type: "Literal"; + value?: RegExp | null | undefined; + regex: { + pattern: string; + flags: string; + }; + raw?: string | undefined; +} + +export interface BigIntLiteral extends BaseNode, BaseExpression { + type: "Literal"; + value?: bigint | null | undefined; + bigint: string; + raw?: string | undefined; +} + +export type UnaryOperator = "-" | "+" | "!" | "~" | "typeof" | "void" | "delete"; + +export type BinaryOperator = + | "==" + | "!=" + | "===" + | "!==" + | "<" + | "<=" + | ">" + | ">=" + | "<<" + | ">>" + | ">>>" + | "+" + | "-" + | "*" + | "/" + | "%" + | "**" + | "|" + | "^" + | "&" + | "in" + | "instanceof"; + +export type LogicalOperator = "||" | "&&" | "??"; + +export type AssignmentOperator = + | "=" + | "+=" + | "-=" + | "*=" + | "/=" + | "%=" + | "**=" + | "<<=" + | ">>=" + | ">>>=" + | "|=" + | "^=" + | "&=" + | "||=" + | "&&=" + | "??="; + +export type UpdateOperator = "++" | "--"; + +export interface ForOfStatement extends BaseForXStatement { + type: "ForOfStatement"; + await: boolean; +} + +export interface Super extends BaseNode { + type: "Super"; +} + +export interface SpreadElement extends BaseNode { + type: "SpreadElement"; + argument: Expression; +} + +export interface ArrowFunctionExpression extends BaseExpression, BaseFunction { + type: "ArrowFunctionExpression"; + expression: boolean; + body: BlockStatement | Expression; +} + +export interface YieldExpression extends BaseExpression { + type: "YieldExpression"; + argument?: Expression | null | undefined; + delegate: boolean; +} + +export interface TemplateLiteral extends BaseExpression { + type: "TemplateLiteral"; + quasis: TemplateElement[]; + expressions: Expression[]; +} + +export interface TaggedTemplateExpression extends BaseExpression { + type: "TaggedTemplateExpression"; + tag: Expression; + quasi: TemplateLiteral; +} + +export interface TemplateElement extends BaseNode { + type: "TemplateElement"; + tail: boolean; + value: { + /** It is null when the template literal is tagged and the text has an invalid escape (e.g. - tag`\unicode and \u{55}`) */ + cooked?: string | null | undefined; + raw: string; + }; +} + +export interface AssignmentProperty extends Property { + value: Pattern; + kind: "init"; + method: boolean; // false +} + +export interface ObjectPattern extends BasePattern { + type: "ObjectPattern"; + properties: Array; +} + +export interface ArrayPattern extends BasePattern { + type: "ArrayPattern"; + elements: Array; +} + +export interface RestElement extends BasePattern { + type: "RestElement"; + argument: Pattern; +} + +export interface AssignmentPattern extends BasePattern { + type: "AssignmentPattern"; + left: Pattern; + right: Expression; +} + +export type Class = ClassDeclaration | ClassExpression; +export interface BaseClass extends BaseNode { + superClass?: Expression | null | undefined; + body: ClassBody; +} + +export interface ClassBody extends BaseNode { + type: "ClassBody"; + body: Array; +} + +export interface MethodDefinition extends BaseNode { + type: "MethodDefinition"; + key: Expression | PrivateIdentifier; + value: FunctionExpression; + kind: "constructor" | "method" | "get" | "set"; + computed: boolean; + static: boolean; +} + +export interface MaybeNamedClassDeclaration extends BaseClass, BaseDeclaration { + type: "ClassDeclaration"; + /** It is null when a class declaration is a part of the `export default class` statement */ + id: Identifier | null; +} + +export interface ClassDeclaration extends MaybeNamedClassDeclaration { + id: Identifier; +} + +export interface ClassExpression extends BaseClass, BaseExpression { + type: "ClassExpression"; + id?: Identifier | null | undefined; +} + +export interface MetaProperty extends BaseExpression { + type: "MetaProperty"; + meta: Identifier; + property: Identifier; +} + +export type ModuleDeclaration = + | ImportDeclaration + | ExportNamedDeclaration + | ExportDefaultDeclaration + | ExportAllDeclaration; +export interface BaseModuleDeclaration extends BaseNode {} + +export type ModuleSpecifier = ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier; +export interface BaseModuleSpecifier extends BaseNode { + local: Identifier; +} + +export interface ImportDeclaration extends BaseModuleDeclaration { + type: "ImportDeclaration"; + specifiers: Array; + attributes: ImportAttribute[]; + source: Literal; +} + +export interface ImportSpecifier extends BaseModuleSpecifier { + type: "ImportSpecifier"; + imported: Identifier | Literal; +} + +export interface ImportAttribute extends BaseNode { + type: "ImportAttribute"; + key: Identifier | Literal; + value: Literal; +} + +export interface ImportExpression extends BaseExpression { + type: "ImportExpression"; + source: Expression; + options?: Expression | null | undefined; +} + +export interface ImportDefaultSpecifier extends BaseModuleSpecifier { + type: "ImportDefaultSpecifier"; +} + +export interface ImportNamespaceSpecifier extends BaseModuleSpecifier { + type: "ImportNamespaceSpecifier"; +} + +export interface ExportNamedDeclaration extends BaseModuleDeclaration { + type: "ExportNamedDeclaration"; + declaration?: Declaration | null | undefined; + specifiers: ExportSpecifier[]; + attributes: ImportAttribute[]; + source?: Literal | null | undefined; +} + +export interface ExportSpecifier extends Omit { + type: "ExportSpecifier"; + local: Identifier | Literal; + exported: Identifier | Literal; +} + +export interface ExportDefaultDeclaration extends BaseModuleDeclaration { + type: "ExportDefaultDeclaration"; + declaration: MaybeNamedFunctionDeclaration | MaybeNamedClassDeclaration | Expression; +} + +export interface ExportAllDeclaration extends BaseModuleDeclaration { + type: "ExportAllDeclaration"; + exported: Identifier | Literal | null; + attributes: ImportAttribute[]; + source: Literal; +} + +export interface AwaitExpression extends BaseExpression { + type: "AwaitExpression"; + argument: Expression; +} diff --git a/module/node_modules/@types/estree/package.json b/module/node_modules/@types/estree/package.json new file mode 100644 index 000000000..68c0782c7 --- /dev/null +++ b/module/node_modules/@types/estree/package.json @@ -0,0 +1,27 @@ +{ + "name": "@types/estree", + "version": "1.0.8", + "description": "TypeScript definitions for estree", + "homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/estree", + "license": "MIT", + "contributors": [ + { + "name": "RReverser", + "githubUsername": "RReverser", + "url": "https://github.com/RReverser" + } + ], + "main": "", + "types": "index.d.ts", + "repository": { + "type": "git", + "url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git", + "directory": "types/estree" + }, + "scripts": {}, + "dependencies": {}, + "peerDependencies": {}, + "typesPublisherContentHash": "7a167b6e4a4d9f6e9a2cb9fd3fc45c885f89cbdeb44b3e5961bb057a45c082fd", + "typeScriptVersion": "5.1", + "nonNpm": true +} \ No newline at end of file diff --git a/module/node_modules/@types/json-schema/LICENSE b/module/node_modules/@types/json-schema/LICENSE new file mode 100644 index 000000000..9e841e7a2 --- /dev/null +++ b/module/node_modules/@types/json-schema/LICENSE @@ -0,0 +1,21 @@ + MIT License + + Copyright (c) Microsoft Corporation. + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in all + copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + SOFTWARE diff --git a/module/node_modules/@types/json-schema/README.md b/module/node_modules/@types/json-schema/README.md new file mode 100644 index 000000000..42d55d377 --- /dev/null +++ b/module/node_modules/@types/json-schema/README.md @@ -0,0 +1,15 @@ +# Installation +> `npm install --save @types/json-schema` + +# Summary +This package contains type definitions for json-schema (https://github.com/kriszyp/json-schema). + +# Details +Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/json-schema. + +### Additional Details + * Last updated: Tue, 07 Nov 2023 03:09:37 GMT + * Dependencies: none + +# Credits +These definitions were written by [Boris Cherny](https://github.com/bcherny), [Lucian Buzzo](https://github.com/lucianbuzzo), [Roland Groza](https://github.com/rolandjitsu), and [Jason Kwok](https://github.com/JasonHK). diff --git a/module/node_modules/@types/json-schema/index.d.ts b/module/node_modules/@types/json-schema/index.d.ts new file mode 100644 index 000000000..9381e999b --- /dev/null +++ b/module/node_modules/@types/json-schema/index.d.ts @@ -0,0 +1,749 @@ +// ================================================================================================== +// JSON Schema Draft 04 +// ================================================================================================== + +/** + * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.1 + */ +export type JSONSchema4TypeName = + | "string" // + | "number" + | "integer" + | "boolean" + | "object" + | "array" + | "null" + | "any"; + +/** + * @see https://tools.ietf.org/html/draft-zyp-json-schema-04#section-3.5 + */ +export type JSONSchema4Type = + | string // + | number + | boolean + | JSONSchema4Object + | JSONSchema4Array + | null; + +// Workaround for infinite type recursion +export interface JSONSchema4Object { + [key: string]: JSONSchema4Type; +} + +// Workaround for infinite type recursion +// https://github.com/Microsoft/TypeScript/issues/3496#issuecomment-128553540 +export interface JSONSchema4Array extends Array {} + +/** + * Meta schema + * + * Recommended values: + * - 'http://json-schema.org/schema#' + * - 'http://json-schema.org/hyper-schema#' + * - 'http://json-schema.org/draft-04/schema#' + * - 'http://json-schema.org/draft-04/hyper-schema#' + * - 'http://json-schema.org/draft-03/schema#' + * - 'http://json-schema.org/draft-03/hyper-schema#' + * + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-5 + */ +export type JSONSchema4Version = string; + +/** + * JSON Schema V4 + * @see https://tools.ietf.org/html/draft-zyp-json-schema-04 + */ +export interface JSONSchema4 { + id?: string | undefined; + $ref?: string | undefined; + $schema?: JSONSchema4Version | undefined; + + /** + * This attribute is a string that provides a short description of the + * instance property. + * + * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.21 + */ + title?: string | undefined; + + /** + * This attribute is a string that provides a full description of the of + * purpose the instance property. + * + * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.22 + */ + description?: string | undefined; + + default?: JSONSchema4Type | undefined; + multipleOf?: number | undefined; + maximum?: number | undefined; + exclusiveMaximum?: boolean | undefined; + minimum?: number | undefined; + exclusiveMinimum?: boolean | undefined; + maxLength?: number | undefined; + minLength?: number | undefined; + pattern?: string | undefined; + + /** + * May only be defined when "items" is defined, and is a tuple of JSONSchemas. + * + * This provides a definition for additional items in an array instance + * when tuple definitions of the items is provided. This can be false + * to indicate additional items in the array are not allowed, or it can + * be a schema that defines the schema of the additional items. + * + * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.6 + */ + additionalItems?: boolean | JSONSchema4 | undefined; + + /** + * This attribute defines the allowed items in an instance array, and + * MUST be a schema or an array of schemas. The default value is an + * empty schema which allows any value for items in the instance array. + * + * When this attribute value is a schema and the instance value is an + * array, then all the items in the array MUST be valid according to the + * schema. + * + * When this attribute value is an array of schemas and the instance + * value is an array, each position in the instance array MUST conform + * to the schema in the corresponding position for this array. This + * called tuple typing. When tuple typing is used, additional items are + * allowed, disallowed, or constrained by the "additionalItems" + * (Section 5.6) attribute using the same rules as + * "additionalProperties" (Section 5.4) for objects. + * + * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.5 + */ + items?: JSONSchema4 | JSONSchema4[] | undefined; + + maxItems?: number | undefined; + minItems?: number | undefined; + uniqueItems?: boolean | undefined; + maxProperties?: number | undefined; + minProperties?: number | undefined; + + /** + * This attribute indicates if the instance must have a value, and not + * be undefined. This is false by default, making the instance + * optional. + * + * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.7 + */ + required?: boolean | string[] | undefined; + + /** + * This attribute defines a schema for all properties that are not + * explicitly defined in an object type definition. If specified, the + * value MUST be a schema or a boolean. If false is provided, no + * additional properties are allowed beyond the properties defined in + * the schema. The default value is an empty schema which allows any + * value for additional properties. + * + * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.4 + */ + additionalProperties?: boolean | JSONSchema4 | undefined; + + definitions?: { + [k: string]: JSONSchema4; + } | undefined; + + /** + * This attribute is an object with property definitions that define the + * valid values of instance object property values. When the instance + * value is an object, the property values of the instance object MUST + * conform to the property definitions in this object. In this object, + * each property definition's value MUST be a schema, and the property's + * name MUST be the name of the instance property that it defines. The + * instance property value MUST be valid according to the schema from + * the property definition. Properties are considered unordered, the + * order of the instance properties MAY be in any order. + * + * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.2 + */ + properties?: { + [k: string]: JSONSchema4; + } | undefined; + + /** + * This attribute is an object that defines the schema for a set of + * property names of an object instance. The name of each property of + * this attribute's object is a regular expression pattern in the ECMA + * 262/Perl 5 format, while the value is a schema. If the pattern + * matches the name of a property on the instance object, the value of + * the instance's property MUST be valid against the pattern name's + * schema value. + * + * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.3 + */ + patternProperties?: { + [k: string]: JSONSchema4; + } | undefined; + dependencies?: { + [k: string]: JSONSchema4 | string[]; + } | undefined; + + /** + * This provides an enumeration of all possible values that are valid + * for the instance property. This MUST be an array, and each item in + * the array represents a possible value for the instance value. If + * this attribute is defined, the instance value MUST be one of the + * values in the array in order for the schema to be valid. + * + * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.19 + */ + enum?: JSONSchema4Type[] | undefined; + + /** + * A single type, or a union of simple types + */ + type?: JSONSchema4TypeName | JSONSchema4TypeName[] | undefined; + + allOf?: JSONSchema4[] | undefined; + anyOf?: JSONSchema4[] | undefined; + oneOf?: JSONSchema4[] | undefined; + not?: JSONSchema4 | undefined; + + /** + * The value of this property MUST be another schema which will provide + * a base schema which the current schema will inherit from. The + * inheritance rules are such that any instance that is valid according + * to the current schema MUST be valid according to the referenced + * schema. This MAY also be an array, in which case, the instance MUST + * be valid for all the schemas in the array. A schema that extends + * another schema MAY define additional attributes, constrain existing + * attributes, or add other constraints. + * + * Conceptually, the behavior of extends can be seen as validating an + * instance against all constraints in the extending schema as well as + * the extended schema(s). + * + * @see https://tools.ietf.org/html/draft-zyp-json-schema-03#section-5.26 + */ + extends?: string | string[] | undefined; + + /** + * @see https://tools.ietf.org/html/draft-zyp-json-schema-04#section-5.6 + */ + [k: string]: any; + + format?: string | undefined; +} + +// ================================================================================================== +// JSON Schema Draft 06 +// ================================================================================================== + +export type JSONSchema6TypeName = + | "string" // + | "number" + | "integer" + | "boolean" + | "object" + | "array" + | "null" + | "any"; + +export type JSONSchema6Type = + | string // + | number + | boolean + | JSONSchema6Object + | JSONSchema6Array + | null; + +// Workaround for infinite type recursion +export interface JSONSchema6Object { + [key: string]: JSONSchema6Type; +} + +// Workaround for infinite type recursion +// https://github.com/Microsoft/TypeScript/issues/3496#issuecomment-128553540 +export interface JSONSchema6Array extends Array {} + +/** + * Meta schema + * + * Recommended values: + * - 'http://json-schema.org/schema#' + * - 'http://json-schema.org/hyper-schema#' + * - 'http://json-schema.org/draft-06/schema#' + * - 'http://json-schema.org/draft-06/hyper-schema#' + * + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-5 + */ +export type JSONSchema6Version = string; + +/** + * JSON Schema V6 + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01 + */ +export type JSONSchema6Definition = JSONSchema6 | boolean; +export interface JSONSchema6 { + $id?: string | undefined; + $ref?: string | undefined; + $schema?: JSONSchema6Version | undefined; + + /** + * Must be strictly greater than 0. + * A numeric instance is valid only if division by this keyword's value results in an integer. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.1 + */ + multipleOf?: number | undefined; + + /** + * Representing an inclusive upper limit for a numeric instance. + * This keyword validates only if the instance is less than or exactly equal to "maximum". + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.2 + */ + maximum?: number | undefined; + + /** + * Representing an exclusive upper limit for a numeric instance. + * This keyword validates only if the instance is strictly less than (not equal to) to "exclusiveMaximum". + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.3 + */ + exclusiveMaximum?: number | undefined; + + /** + * Representing an inclusive lower limit for a numeric instance. + * This keyword validates only if the instance is greater than or exactly equal to "minimum". + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.4 + */ + minimum?: number | undefined; + + /** + * Representing an exclusive lower limit for a numeric instance. + * This keyword validates only if the instance is strictly greater than (not equal to) to "exclusiveMinimum". + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.5 + */ + exclusiveMinimum?: number | undefined; + + /** + * Must be a non-negative integer. + * A string instance is valid against this keyword if its length is less than, or equal to, the value of this keyword. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.6 + */ + maxLength?: number | undefined; + + /** + * Must be a non-negative integer. + * A string instance is valid against this keyword if its length is greater than, or equal to, the value of this keyword. + * Omitting this keyword has the same behavior as a value of 0. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.7 + */ + minLength?: number | undefined; + + /** + * Should be a valid regular expression, according to the ECMA 262 regular expression dialect. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.8 + */ + pattern?: string | undefined; + + /** + * This keyword determines how child instances validate for arrays, and does not directly validate the immediate instance itself. + * Omitting this keyword has the same behavior as an empty schema. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.9 + */ + items?: JSONSchema6Definition | JSONSchema6Definition[] | undefined; + + /** + * This keyword determines how child instances validate for arrays, and does not directly validate the immediate instance itself. + * If "items" is an array of schemas, validation succeeds if every instance element + * at a position greater than the size of "items" validates against "additionalItems". + * Otherwise, "additionalItems" MUST be ignored, as the "items" schema + * (possibly the default value of an empty schema) is applied to all elements. + * Omitting this keyword has the same behavior as an empty schema. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.10 + */ + additionalItems?: JSONSchema6Definition | undefined; + + /** + * Must be a non-negative integer. + * An array instance is valid against "maxItems" if its size is less than, or equal to, the value of this keyword. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.11 + */ + maxItems?: number | undefined; + + /** + * Must be a non-negative integer. + * An array instance is valid against "maxItems" if its size is greater than, or equal to, the value of this keyword. + * Omitting this keyword has the same behavior as a value of 0. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.12 + */ + minItems?: number | undefined; + + /** + * If this keyword has boolean value false, the instance validates successfully. + * If it has boolean value true, the instance validates successfully if all of its elements are unique. + * Omitting this keyword has the same behavior as a value of false. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.13 + */ + uniqueItems?: boolean | undefined; + + /** + * An array instance is valid against "contains" if at least one of its elements is valid against the given schema. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.14 + */ + contains?: JSONSchema6Definition | undefined; + + /** + * Must be a non-negative integer. + * An object instance is valid against "maxProperties" if its number of properties is less than, or equal to, the value of this keyword. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.15 + */ + maxProperties?: number | undefined; + + /** + * Must be a non-negative integer. + * An object instance is valid against "maxProperties" if its number of properties is greater than, + * or equal to, the value of this keyword. + * Omitting this keyword has the same behavior as a value of 0. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.16 + */ + minProperties?: number | undefined; + + /** + * Elements of this array must be unique. + * An object instance is valid against this keyword if every item in the array is the name of a property in the instance. + * Omitting this keyword has the same behavior as an empty array. + * + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.17 + */ + required?: string[] | undefined; + + /** + * This keyword determines how child instances validate for objects, and does not directly validate the immediate instance itself. + * Validation succeeds if, for each name that appears in both the instance and as a name within this keyword's value, + * the child instance for that name successfully validates against the corresponding schema. + * Omitting this keyword has the same behavior as an empty object. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.18 + */ + properties?: { + [k: string]: JSONSchema6Definition; + } | undefined; + + /** + * This attribute is an object that defines the schema for a set of property names of an object instance. + * The name of each property of this attribute's object is a regular expression pattern in the ECMA 262, while the value is a schema. + * If the pattern matches the name of a property on the instance object, the value of the instance's property + * MUST be valid against the pattern name's schema value. + * Omitting this keyword has the same behavior as an empty object. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.19 + */ + patternProperties?: { + [k: string]: JSONSchema6Definition; + } | undefined; + + /** + * This attribute defines a schema for all properties that are not explicitly defined in an object type definition. + * If specified, the value MUST be a schema or a boolean. + * If false is provided, no additional properties are allowed beyond the properties defined in the schema. + * The default value is an empty schema which allows any value for additional properties. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.20 + */ + additionalProperties?: JSONSchema6Definition | undefined; + + /** + * This keyword specifies rules that are evaluated if the instance is an object and contains a certain property. + * Each property specifies a dependency. + * If the dependency value is an array, each element in the array must be unique. + * Omitting this keyword has the same behavior as an empty object. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.21 + */ + dependencies?: { + [k: string]: JSONSchema6Definition | string[]; + } | undefined; + + /** + * Takes a schema which validates the names of all properties rather than their values. + * Note the property name that the schema is testing will always be a string. + * Omitting this keyword has the same behavior as an empty schema. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.22 + */ + propertyNames?: JSONSchema6Definition | undefined; + + /** + * This provides an enumeration of all possible values that are valid + * for the instance property. This MUST be an array, and each item in + * the array represents a possible value for the instance value. If + * this attribute is defined, the instance value MUST be one of the + * values in the array in order for the schema to be valid. + * + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.23 + */ + enum?: JSONSchema6Type[] | undefined; + + /** + * More readable form of a one-element "enum" + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.24 + */ + const?: JSONSchema6Type | undefined; + + /** + * A single type, or a union of simple types + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.25 + */ + type?: JSONSchema6TypeName | JSONSchema6TypeName[] | undefined; + + /** + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.26 + */ + allOf?: JSONSchema6Definition[] | undefined; + + /** + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.27 + */ + anyOf?: JSONSchema6Definition[] | undefined; + + /** + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.28 + */ + oneOf?: JSONSchema6Definition[] | undefined; + + /** + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-6.29 + */ + not?: JSONSchema6Definition | undefined; + + /** + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-7.1 + */ + definitions?: { + [k: string]: JSONSchema6Definition; + } | undefined; + + /** + * This attribute is a string that provides a short description of the instance property. + * + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-7.2 + */ + title?: string | undefined; + + /** + * This attribute is a string that provides a full description of the of purpose the instance property. + * + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-7.2 + */ + description?: string | undefined; + + /** + * This keyword can be used to supply a default JSON value associated with a particular schema. + * It is RECOMMENDED that a default value be valid against the associated schema. + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-7.3 + */ + default?: JSONSchema6Type | undefined; + + /** + * Array of examples with no validation effect the value of "default" is usable as an example without repeating it under this keyword + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-7.4 + */ + examples?: JSONSchema6Type[] | undefined; + + /** + * @see https://tools.ietf.org/html/draft-wright-json-schema-validation-01#section-8 + */ + format?: string | undefined; +} + +// ================================================================================================== +// JSON Schema Draft 07 +// ================================================================================================== +// https://tools.ietf.org/html/draft-handrews-json-schema-validation-01 +// -------------------------------------------------------------------------------------------------- + +/** + * Primitive type + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.1.1 + */ +export type JSONSchema7TypeName = + | "string" // + | "number" + | "integer" + | "boolean" + | "object" + | "array" + | "null"; + +/** + * Primitive type + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.1.1 + */ +export type JSONSchema7Type = + | string // + | number + | boolean + | JSONSchema7Object + | JSONSchema7Array + | null; + +// Workaround for infinite type recursion +export interface JSONSchema7Object { + [key: string]: JSONSchema7Type; +} + +// Workaround for infinite type recursion +// https://github.com/Microsoft/TypeScript/issues/3496#issuecomment-128553540 +export interface JSONSchema7Array extends Array {} + +/** + * Meta schema + * + * Recommended values: + * - 'http://json-schema.org/schema#' + * - 'http://json-schema.org/hyper-schema#' + * - 'http://json-schema.org/draft-07/schema#' + * - 'http://json-schema.org/draft-07/hyper-schema#' + * + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-5 + */ +export type JSONSchema7Version = string; + +/** + * JSON Schema v7 + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01 + */ +export type JSONSchema7Definition = JSONSchema7 | boolean; +export interface JSONSchema7 { + $id?: string | undefined; + $ref?: string | undefined; + $schema?: JSONSchema7Version | undefined; + $comment?: string | undefined; + + /** + * @see https://datatracker.ietf.org/doc/html/draft-bhutton-json-schema-00#section-8.2.4 + * @see https://datatracker.ietf.org/doc/html/draft-bhutton-json-schema-validation-00#appendix-A + */ + $defs?: { + [key: string]: JSONSchema7Definition; + } | undefined; + + /** + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.1 + */ + type?: JSONSchema7TypeName | JSONSchema7TypeName[] | undefined; + enum?: JSONSchema7Type[] | undefined; + const?: JSONSchema7Type | undefined; + + /** + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.2 + */ + multipleOf?: number | undefined; + maximum?: number | undefined; + exclusiveMaximum?: number | undefined; + minimum?: number | undefined; + exclusiveMinimum?: number | undefined; + + /** + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.3 + */ + maxLength?: number | undefined; + minLength?: number | undefined; + pattern?: string | undefined; + + /** + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.4 + */ + items?: JSONSchema7Definition | JSONSchema7Definition[] | undefined; + additionalItems?: JSONSchema7Definition | undefined; + maxItems?: number | undefined; + minItems?: number | undefined; + uniqueItems?: boolean | undefined; + contains?: JSONSchema7Definition | undefined; + + /** + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.5 + */ + maxProperties?: number | undefined; + minProperties?: number | undefined; + required?: string[] | undefined; + properties?: { + [key: string]: JSONSchema7Definition; + } | undefined; + patternProperties?: { + [key: string]: JSONSchema7Definition; + } | undefined; + additionalProperties?: JSONSchema7Definition | undefined; + dependencies?: { + [key: string]: JSONSchema7Definition | string[]; + } | undefined; + propertyNames?: JSONSchema7Definition | undefined; + + /** + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.6 + */ + if?: JSONSchema7Definition | undefined; + then?: JSONSchema7Definition | undefined; + else?: JSONSchema7Definition | undefined; + + /** + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-6.7 + */ + allOf?: JSONSchema7Definition[] | undefined; + anyOf?: JSONSchema7Definition[] | undefined; + oneOf?: JSONSchema7Definition[] | undefined; + not?: JSONSchema7Definition | undefined; + + /** + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-7 + */ + format?: string | undefined; + + /** + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-8 + */ + contentMediaType?: string | undefined; + contentEncoding?: string | undefined; + + /** + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-9 + */ + definitions?: { + [key: string]: JSONSchema7Definition; + } | undefined; + + /** + * @see https://tools.ietf.org/html/draft-handrews-json-schema-validation-01#section-10 + */ + title?: string | undefined; + description?: string | undefined; + default?: JSONSchema7Type | undefined; + readOnly?: boolean | undefined; + writeOnly?: boolean | undefined; + examples?: JSONSchema7Type | undefined; +} + +export interface ValidationResult { + valid: boolean; + errors: ValidationError[]; +} + +export interface ValidationError { + property: string; + message: string; +} + +/** + * To use the validator call JSONSchema.validate with an instance object and an optional schema object. + * If a schema is provided, it will be used to validate. If the instance object refers to a schema (self-validating), + * that schema will be used to validate and the schema parameter is not necessary (if both exist, + * both validations will occur). + */ +export function validate(instance: {}, schema: JSONSchema4 | JSONSchema6 | JSONSchema7): ValidationResult; + +/** + * The checkPropertyChange method will check to see if an value can legally be in property with the given schema + * This is slightly different than the validate method in that it will fail if the schema is readonly and it will + * not check for self-validation, it is assumed that the passed in value is already internally valid. + */ +export function checkPropertyChange( + value: any, + schema: JSONSchema4 | JSONSchema6 | JSONSchema7, + property: string, +): ValidationResult; + +/** + * This checks to ensure that the result is valid and will throw an appropriate error message if it is not. + */ +export function mustBeValid(result: ValidationResult): void; diff --git a/module/node_modules/@types/json-schema/package.json b/module/node_modules/@types/json-schema/package.json new file mode 100644 index 000000000..3c41bd7f1 --- /dev/null +++ b/module/node_modules/@types/json-schema/package.json @@ -0,0 +1,40 @@ +{ + "name": "@types/json-schema", + "version": "7.0.15", + "description": "TypeScript definitions for json-schema", + "homepage": "https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/json-schema", + "license": "MIT", + "contributors": [ + { + "name": "Boris Cherny", + "githubUsername": "bcherny", + "url": "https://github.com/bcherny" + }, + { + "name": "Lucian Buzzo", + "githubUsername": "lucianbuzzo", + "url": "https://github.com/lucianbuzzo" + }, + { + "name": "Roland Groza", + "githubUsername": "rolandjitsu", + "url": "https://github.com/rolandjitsu" + }, + { + "name": "Jason Kwok", + "githubUsername": "JasonHK", + "url": "https://github.com/JasonHK" + } + ], + "main": "", + "types": "index.d.ts", + "repository": { + "type": "git", + "url": "https://github.com/DefinitelyTyped/DefinitelyTyped.git", + "directory": "types/json-schema" + }, + "scripts": {}, + "dependencies": {}, + "typesPublisherContentHash": "79984fd70cd25c3f7d72b84368778c763c89728ea0073832d745d4691b705257", + "typeScriptVersion": "4.5" +} \ No newline at end of file diff --git a/module/node_modules/acorn-jsx/LICENSE b/module/node_modules/acorn-jsx/LICENSE new file mode 100644 index 000000000..695d4b930 --- /dev/null +++ b/module/node_modules/acorn-jsx/LICENSE @@ -0,0 +1,19 @@ +Copyright (C) 2012-2017 by Ingvar Stepanyan + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/module/node_modules/acorn-jsx/README.md b/module/node_modules/acorn-jsx/README.md new file mode 100644 index 000000000..317c3ac4a --- /dev/null +++ b/module/node_modules/acorn-jsx/README.md @@ -0,0 +1,40 @@ +# Acorn-JSX + +[![Build Status](https://travis-ci.org/acornjs/acorn-jsx.svg?branch=master)](https://travis-ci.org/acornjs/acorn-jsx) +[![NPM version](https://img.shields.io/npm/v/acorn-jsx.svg)](https://www.npmjs.org/package/acorn-jsx) + +This is plugin for [Acorn](http://marijnhaverbeke.nl/acorn/) - a tiny, fast JavaScript parser, written completely in JavaScript. + +It was created as an experimental alternative, faster [React.js JSX](http://facebook.github.io/react/docs/jsx-in-depth.html) parser. Later, it replaced the [official parser](https://github.com/facebookarchive/esprima) and these days is used by many prominent development tools. + +## Transpiler + +Please note that this tool only parses source code to JSX AST, which is useful for various language tools and services. If you want to transpile your code to regular ES5-compliant JavaScript with source map, check out [Babel](https://babeljs.io/) and [Buble](https://buble.surge.sh/) transpilers which use `acorn-jsx` under the hood. + +## Usage + +Requiring this module provides you with an Acorn plugin that you can use like this: + +```javascript +var acorn = require("acorn"); +var jsx = require("acorn-jsx"); +acorn.Parser.extend(jsx()).parse("my(, 'code');"); +``` + +Note that official spec doesn't support mix of XML namespaces and object-style access in tag names (#27) like in ``, so it was deprecated in `acorn-jsx@3.0`. If you still want to opt-in to support of such constructions, you can pass the following option: + +```javascript +acorn.Parser.extend(jsx({ allowNamespacedObjects: true })) +``` + +Also, since most apps use pure React transformer, a new option was introduced that allows to prohibit namespaces completely: + +```javascript +acorn.Parser.extend(jsx({ allowNamespaces: false })) +``` + +Note that by default `allowNamespaces` is enabled for spec compliancy. + +## License + +This plugin is issued under the [MIT license](./LICENSE). diff --git a/module/node_modules/acorn-jsx/index.d.ts b/module/node_modules/acorn-jsx/index.d.ts new file mode 100644 index 000000000..f37b1df4c --- /dev/null +++ b/module/node_modules/acorn-jsx/index.d.ts @@ -0,0 +1,12 @@ +import { Parser } from 'acorn' + +declare const jsx: (options?: jsx.Options) => (BaseParser: typeof Parser) => typeof Parser; + +declare namespace jsx { + interface Options { + allowNamespacedObjects?: boolean; + allowNamespaces?: boolean; + } +} + +export = jsx; diff --git a/module/node_modules/acorn-jsx/index.js b/module/node_modules/acorn-jsx/index.js new file mode 100644 index 000000000..004e08090 --- /dev/null +++ b/module/node_modules/acorn-jsx/index.js @@ -0,0 +1,488 @@ +'use strict'; + +const XHTMLEntities = require('./xhtml'); + +const hexNumber = /^[\da-fA-F]+$/; +const decimalNumber = /^\d+$/; + +// The map to `acorn-jsx` tokens from `acorn` namespace objects. +const acornJsxMap = new WeakMap(); + +// Get the original tokens for the given `acorn` namespace object. +function getJsxTokens(acorn) { + acorn = acorn.Parser.acorn || acorn; + let acornJsx = acornJsxMap.get(acorn); + if (!acornJsx) { + const tt = acorn.tokTypes; + const TokContext = acorn.TokContext; + const TokenType = acorn.TokenType; + const tc_oTag = new TokContext('...', true, true); + const tokContexts = { + tc_oTag: tc_oTag, + tc_cTag: tc_cTag, + tc_expr: tc_expr + }; + const tokTypes = { + jsxName: new TokenType('jsxName'), + jsxText: new TokenType('jsxText', {beforeExpr: true}), + jsxTagStart: new TokenType('jsxTagStart', {startsExpr: true}), + jsxTagEnd: new TokenType('jsxTagEnd') + }; + + tokTypes.jsxTagStart.updateContext = function() { + this.context.push(tc_expr); // treat as beginning of JSX expression + this.context.push(tc_oTag); // start opening tag context + this.exprAllowed = false; + }; + tokTypes.jsxTagEnd.updateContext = function(prevType) { + let out = this.context.pop(); + if (out === tc_oTag && prevType === tt.slash || out === tc_cTag) { + this.context.pop(); + this.exprAllowed = this.curContext() === tc_expr; + } else { + this.exprAllowed = true; + } + }; + + acornJsx = { tokContexts: tokContexts, tokTypes: tokTypes }; + acornJsxMap.set(acorn, acornJsx); + } + + return acornJsx; +} + +// Transforms JSX element name to string. + +function getQualifiedJSXName(object) { + if (!object) + return object; + + if (object.type === 'JSXIdentifier') + return object.name; + + if (object.type === 'JSXNamespacedName') + return object.namespace.name + ':' + object.name.name; + + if (object.type === 'JSXMemberExpression') + return getQualifiedJSXName(object.object) + '.' + + getQualifiedJSXName(object.property); +} + +module.exports = function(options) { + options = options || {}; + return function(Parser) { + return plugin({ + allowNamespaces: options.allowNamespaces !== false, + allowNamespacedObjects: !!options.allowNamespacedObjects + }, Parser); + }; +}; + +// This is `tokTypes` of the peer dep. +// This can be different instances from the actual `tokTypes` this plugin uses. +Object.defineProperty(module.exports, "tokTypes", { + get: function get_tokTypes() { + return getJsxTokens(require("acorn")).tokTypes; + }, + configurable: true, + enumerable: true +}); + +function plugin(options, Parser) { + const acorn = Parser.acorn || require("acorn"); + const acornJsx = getJsxTokens(acorn); + const tt = acorn.tokTypes; + const tok = acornJsx.tokTypes; + const tokContexts = acorn.tokContexts; + const tc_oTag = acornJsx.tokContexts.tc_oTag; + const tc_cTag = acornJsx.tokContexts.tc_cTag; + const tc_expr = acornJsx.tokContexts.tc_expr; + const isNewLine = acorn.isNewLine; + const isIdentifierStart = acorn.isIdentifierStart; + const isIdentifierChar = acorn.isIdentifierChar; + + return class extends Parser { + // Expose actual `tokTypes` and `tokContexts` to other plugins. + static get acornJsx() { + return acornJsx; + } + + // Reads inline JSX contents token. + jsx_readToken() { + let out = '', chunkStart = this.pos; + for (;;) { + if (this.pos >= this.input.length) + this.raise(this.start, 'Unterminated JSX contents'); + let ch = this.input.charCodeAt(this.pos); + + switch (ch) { + case 60: // '<' + case 123: // '{' + if (this.pos === this.start) { + if (ch === 60 && this.exprAllowed) { + ++this.pos; + return this.finishToken(tok.jsxTagStart); + } + return this.getTokenFromCode(ch); + } + out += this.input.slice(chunkStart, this.pos); + return this.finishToken(tok.jsxText, out); + + case 38: // '&' + out += this.input.slice(chunkStart, this.pos); + out += this.jsx_readEntity(); + chunkStart = this.pos; + break; + + case 62: // '>' + case 125: // '}' + this.raise( + this.pos, + "Unexpected token `" + this.input[this.pos] + "`. Did you mean `" + + (ch === 62 ? ">" : "}") + "` or " + "`{\"" + this.input[this.pos] + "\"}" + "`?" + ); + + default: + if (isNewLine(ch)) { + out += this.input.slice(chunkStart, this.pos); + out += this.jsx_readNewLine(true); + chunkStart = this.pos; + } else { + ++this.pos; + } + } + } + } + + jsx_readNewLine(normalizeCRLF) { + let ch = this.input.charCodeAt(this.pos); + let out; + ++this.pos; + if (ch === 13 && this.input.charCodeAt(this.pos) === 10) { + ++this.pos; + out = normalizeCRLF ? '\n' : '\r\n'; + } else { + out = String.fromCharCode(ch); + } + if (this.options.locations) { + ++this.curLine; + this.lineStart = this.pos; + } + + return out; + } + + jsx_readString(quote) { + let out = '', chunkStart = ++this.pos; + for (;;) { + if (this.pos >= this.input.length) + this.raise(this.start, 'Unterminated string constant'); + let ch = this.input.charCodeAt(this.pos); + if (ch === quote) break; + if (ch === 38) { // '&' + out += this.input.slice(chunkStart, this.pos); + out += this.jsx_readEntity(); + chunkStart = this.pos; + } else if (isNewLine(ch)) { + out += this.input.slice(chunkStart, this.pos); + out += this.jsx_readNewLine(false); + chunkStart = this.pos; + } else { + ++this.pos; + } + } + out += this.input.slice(chunkStart, this.pos++); + return this.finishToken(tt.string, out); + } + + jsx_readEntity() { + let str = '', count = 0, entity; + let ch = this.input[this.pos]; + if (ch !== '&') + this.raise(this.pos, 'Entity must start with an ampersand'); + let startPos = ++this.pos; + while (this.pos < this.input.length && count++ < 10) { + ch = this.input[this.pos++]; + if (ch === ';') { + if (str[0] === '#') { + if (str[1] === 'x') { + str = str.substr(2); + if (hexNumber.test(str)) + entity = String.fromCharCode(parseInt(str, 16)); + } else { + str = str.substr(1); + if (decimalNumber.test(str)) + entity = String.fromCharCode(parseInt(str, 10)); + } + } else { + entity = XHTMLEntities[str]; + } + break; + } + str += ch; + } + if (!entity) { + this.pos = startPos; + return '&'; + } + return entity; + } + + // Read a JSX identifier (valid tag or attribute name). + // + // Optimized version since JSX identifiers can't contain + // escape characters and so can be read as single slice. + // Also assumes that first character was already checked + // by isIdentifierStart in readToken. + + jsx_readWord() { + let ch, start = this.pos; + do { + ch = this.input.charCodeAt(++this.pos); + } while (isIdentifierChar(ch) || ch === 45); // '-' + return this.finishToken(tok.jsxName, this.input.slice(start, this.pos)); + } + + // Parse next token as JSX identifier + + jsx_parseIdentifier() { + let node = this.startNode(); + if (this.type === tok.jsxName) + node.name = this.value; + else if (this.type.keyword) + node.name = this.type.keyword; + else + this.unexpected(); + this.next(); + return this.finishNode(node, 'JSXIdentifier'); + } + + // Parse namespaced identifier. + + jsx_parseNamespacedName() { + let startPos = this.start, startLoc = this.startLoc; + let name = this.jsx_parseIdentifier(); + if (!options.allowNamespaces || !this.eat(tt.colon)) return name; + var node = this.startNodeAt(startPos, startLoc); + node.namespace = name; + node.name = this.jsx_parseIdentifier(); + return this.finishNode(node, 'JSXNamespacedName'); + } + + // Parses element name in any form - namespaced, member + // or single identifier. + + jsx_parseElementName() { + if (this.type === tok.jsxTagEnd) return ''; + let startPos = this.start, startLoc = this.startLoc; + let node = this.jsx_parseNamespacedName(); + if (this.type === tt.dot && node.type === 'JSXNamespacedName' && !options.allowNamespacedObjects) { + this.unexpected(); + } + while (this.eat(tt.dot)) { + let newNode = this.startNodeAt(startPos, startLoc); + newNode.object = node; + newNode.property = this.jsx_parseIdentifier(); + node = this.finishNode(newNode, 'JSXMemberExpression'); + } + return node; + } + + // Parses any type of JSX attribute value. + + jsx_parseAttributeValue() { + switch (this.type) { + case tt.braceL: + let node = this.jsx_parseExpressionContainer(); + if (node.expression.type === 'JSXEmptyExpression') + this.raise(node.start, 'JSX attributes must only be assigned a non-empty expression'); + return node; + + case tok.jsxTagStart: + case tt.string: + return this.parseExprAtom(); + + default: + this.raise(this.start, 'JSX value should be either an expression or a quoted JSX text'); + } + } + + // JSXEmptyExpression is unique type since it doesn't actually parse anything, + // and so it should start at the end of last read token (left brace) and finish + // at the beginning of the next one (right brace). + + jsx_parseEmptyExpression() { + let node = this.startNodeAt(this.lastTokEnd, this.lastTokEndLoc); + return this.finishNodeAt(node, 'JSXEmptyExpression', this.start, this.startLoc); + } + + // Parses JSX expression enclosed into curly brackets. + + jsx_parseExpressionContainer() { + let node = this.startNode(); + this.next(); + node.expression = this.type === tt.braceR + ? this.jsx_parseEmptyExpression() + : this.parseExpression(); + this.expect(tt.braceR); + return this.finishNode(node, 'JSXExpressionContainer'); + } + + // Parses following JSX attribute name-value pair. + + jsx_parseAttribute() { + let node = this.startNode(); + if (this.eat(tt.braceL)) { + this.expect(tt.ellipsis); + node.argument = this.parseMaybeAssign(); + this.expect(tt.braceR); + return this.finishNode(node, 'JSXSpreadAttribute'); + } + node.name = this.jsx_parseNamespacedName(); + node.value = this.eat(tt.eq) ? this.jsx_parseAttributeValue() : null; + return this.finishNode(node, 'JSXAttribute'); + } + + // Parses JSX opening tag starting after '<'. + + jsx_parseOpeningElementAt(startPos, startLoc) { + let node = this.startNodeAt(startPos, startLoc); + node.attributes = []; + let nodeName = this.jsx_parseElementName(); + if (nodeName) node.name = nodeName; + while (this.type !== tt.slash && this.type !== tok.jsxTagEnd) + node.attributes.push(this.jsx_parseAttribute()); + node.selfClosing = this.eat(tt.slash); + this.expect(tok.jsxTagEnd); + return this.finishNode(node, nodeName ? 'JSXOpeningElement' : 'JSXOpeningFragment'); + } + + // Parses JSX closing tag starting after ''); + } + } + let fragmentOrElement = openingElement.name ? 'Element' : 'Fragment'; + + node['opening' + fragmentOrElement] = openingElement; + node['closing' + fragmentOrElement] = closingElement; + node.children = children; + if (this.type === tt.relational && this.value === "<") { + this.raise(this.start, "Adjacent JSX elements must be wrapped in an enclosing tag"); + } + return this.finishNode(node, 'JSX' + fragmentOrElement); + } + + // Parse JSX text + + jsx_parseText() { + let node = this.parseLiteral(this.value); + node.type = "JSXText"; + return node; + } + + // Parses entire JSX element from current position. + + jsx_parseElement() { + let startPos = this.start, startLoc = this.startLoc; + this.next(); + return this.jsx_parseElementAt(startPos, startLoc); + } + + parseExprAtom(refShortHandDefaultPos) { + if (this.type === tok.jsxText) + return this.jsx_parseText(); + else if (this.type === tok.jsxTagStart) + return this.jsx_parseElement(); + else + return super.parseExprAtom(refShortHandDefaultPos); + } + + readToken(code) { + let context = this.curContext(); + + if (context === tc_expr) return this.jsx_readToken(); + + if (context === tc_oTag || context === tc_cTag) { + if (isIdentifierStart(code)) return this.jsx_readWord(); + + if (code == 62) { + ++this.pos; + return this.finishToken(tok.jsxTagEnd); + } + + if ((code === 34 || code === 39) && context == tc_oTag) + return this.jsx_readString(code); + } + + if (code === 60 && this.exprAllowed && this.input.charCodeAt(this.pos + 1) !== 33) { + ++this.pos; + return this.finishToken(tok.jsxTagStart); + } + return super.readToken(code); + } + + updateContext(prevType) { + if (this.type == tt.braceL) { + var curContext = this.curContext(); + if (curContext == tc_oTag) this.context.push(tokContexts.b_expr); + else if (curContext == tc_expr) this.context.push(tokContexts.b_tmpl); + else super.updateContext(prevType); + this.exprAllowed = true; + } else if (this.type === tt.slash && prevType === tok.jsxTagStart) { + this.context.length -= 2; // do not consider JSX expr -> JSX open tag -> ... anymore + this.context.push(tc_cTag); // reconsider as closing tag context + this.exprAllowed = false; + } else { + return super.updateContext(prevType); + } + } + }; +} diff --git a/module/node_modules/acorn-jsx/package.json b/module/node_modules/acorn-jsx/package.json new file mode 100644 index 000000000..6debde9ca --- /dev/null +++ b/module/node_modules/acorn-jsx/package.json @@ -0,0 +1,27 @@ +{ + "name": "acorn-jsx", + "description": "Modern, fast React.js JSX parser", + "homepage": "https://github.com/acornjs/acorn-jsx", + "version": "5.3.2", + "maintainers": [ + { + "name": "Ingvar Stepanyan", + "email": "me@rreverser.com", + "web": "http://rreverser.com/" + } + ], + "repository": { + "type": "git", + "url": "https://github.com/acornjs/acorn-jsx" + }, + "license": "MIT", + "scripts": { + "test": "node test/run.js" + }, + "peerDependencies": { + "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0" + }, + "devDependencies": { + "acorn": "^8.0.1" + } +} diff --git a/module/node_modules/acorn-jsx/xhtml.js b/module/node_modules/acorn-jsx/xhtml.js new file mode 100644 index 000000000..c1520092f --- /dev/null +++ b/module/node_modules/acorn-jsx/xhtml.js @@ -0,0 +1,255 @@ +module.exports = { + quot: '\u0022', + amp: '&', + apos: '\u0027', + lt: '<', + gt: '>', + nbsp: '\u00A0', + iexcl: '\u00A1', + cent: '\u00A2', + pound: '\u00A3', + curren: '\u00A4', + yen: '\u00A5', + brvbar: '\u00A6', + sect: '\u00A7', + uml: '\u00A8', + copy: '\u00A9', + ordf: '\u00AA', + laquo: '\u00AB', + not: '\u00AC', + shy: '\u00AD', + reg: '\u00AE', + macr: '\u00AF', + deg: '\u00B0', + plusmn: '\u00B1', + sup2: '\u00B2', + sup3: '\u00B3', + acute: '\u00B4', + micro: '\u00B5', + para: '\u00B6', + middot: '\u00B7', + cedil: '\u00B8', + sup1: '\u00B9', + ordm: '\u00BA', + raquo: '\u00BB', + frac14: '\u00BC', + frac12: '\u00BD', + frac34: '\u00BE', + iquest: '\u00BF', + Agrave: '\u00C0', + Aacute: '\u00C1', + Acirc: '\u00C2', + Atilde: '\u00C3', + Auml: '\u00C4', + Aring: '\u00C5', + AElig: '\u00C6', + Ccedil: '\u00C7', + Egrave: '\u00C8', + Eacute: '\u00C9', + Ecirc: '\u00CA', + Euml: '\u00CB', + Igrave: '\u00CC', + Iacute: '\u00CD', + Icirc: '\u00CE', + Iuml: '\u00CF', + ETH: '\u00D0', + Ntilde: '\u00D1', + Ograve: '\u00D2', + Oacute: '\u00D3', + Ocirc: '\u00D4', + Otilde: '\u00D5', + Ouml: '\u00D6', + times: '\u00D7', + Oslash: '\u00D8', + Ugrave: '\u00D9', + Uacute: '\u00DA', + Ucirc: '\u00DB', + Uuml: '\u00DC', + Yacute: '\u00DD', + THORN: '\u00DE', + szlig: '\u00DF', + agrave: '\u00E0', + aacute: '\u00E1', + acirc: '\u00E2', + atilde: '\u00E3', + auml: '\u00E4', + aring: '\u00E5', + aelig: '\u00E6', + ccedil: '\u00E7', + egrave: '\u00E8', + eacute: '\u00E9', + ecirc: '\u00EA', + euml: '\u00EB', + igrave: '\u00EC', + iacute: '\u00ED', + icirc: '\u00EE', + iuml: '\u00EF', + eth: '\u00F0', + ntilde: '\u00F1', + ograve: '\u00F2', + oacute: '\u00F3', + ocirc: '\u00F4', + otilde: '\u00F5', + ouml: '\u00F6', + divide: '\u00F7', + oslash: '\u00F8', + ugrave: '\u00F9', + uacute: '\u00FA', + ucirc: '\u00FB', + uuml: '\u00FC', + yacute: '\u00FD', + thorn: '\u00FE', + yuml: '\u00FF', + OElig: '\u0152', + oelig: '\u0153', + Scaron: '\u0160', + scaron: '\u0161', + Yuml: '\u0178', + fnof: '\u0192', + circ: '\u02C6', + tilde: '\u02DC', + Alpha: '\u0391', + Beta: '\u0392', + Gamma: '\u0393', + Delta: '\u0394', + Epsilon: '\u0395', + Zeta: '\u0396', + Eta: '\u0397', + Theta: '\u0398', + Iota: '\u0399', + Kappa: '\u039A', + Lambda: '\u039B', + Mu: '\u039C', + Nu: '\u039D', + Xi: '\u039E', + Omicron: '\u039F', + Pi: '\u03A0', + Rho: '\u03A1', + Sigma: '\u03A3', + Tau: '\u03A4', + Upsilon: '\u03A5', + Phi: '\u03A6', + Chi: '\u03A7', + Psi: '\u03A8', + Omega: '\u03A9', + alpha: '\u03B1', + beta: '\u03B2', + gamma: '\u03B3', + delta: '\u03B4', + epsilon: '\u03B5', + zeta: '\u03B6', + eta: '\u03B7', + theta: '\u03B8', + iota: '\u03B9', + kappa: '\u03BA', + lambda: '\u03BB', + mu: '\u03BC', + nu: '\u03BD', + xi: '\u03BE', + omicron: '\u03BF', + pi: '\u03C0', + rho: '\u03C1', + sigmaf: '\u03C2', + sigma: '\u03C3', + tau: '\u03C4', + upsilon: '\u03C5', + phi: '\u03C6', + chi: '\u03C7', + psi: '\u03C8', + omega: '\u03C9', + thetasym: '\u03D1', + upsih: '\u03D2', + piv: '\u03D6', + ensp: '\u2002', + emsp: '\u2003', + thinsp: '\u2009', + zwnj: '\u200C', + zwj: '\u200D', + lrm: '\u200E', + rlm: '\u200F', + ndash: '\u2013', + mdash: '\u2014', + lsquo: '\u2018', + rsquo: '\u2019', + sbquo: '\u201A', + ldquo: '\u201C', + rdquo: '\u201D', + bdquo: '\u201E', + dagger: '\u2020', + Dagger: '\u2021', + bull: '\u2022', + hellip: '\u2026', + permil: '\u2030', + prime: '\u2032', + Prime: '\u2033', + lsaquo: '\u2039', + rsaquo: '\u203A', + oline: '\u203E', + frasl: '\u2044', + euro: '\u20AC', + image: '\u2111', + weierp: '\u2118', + real: '\u211C', + trade: '\u2122', + alefsym: '\u2135', + larr: '\u2190', + uarr: '\u2191', + rarr: '\u2192', + darr: '\u2193', + harr: '\u2194', + crarr: '\u21B5', + lArr: '\u21D0', + uArr: '\u21D1', + rArr: '\u21D2', + dArr: '\u21D3', + hArr: '\u21D4', + forall: '\u2200', + part: '\u2202', + exist: '\u2203', + empty: '\u2205', + nabla: '\u2207', + isin: '\u2208', + notin: '\u2209', + ni: '\u220B', + prod: '\u220F', + sum: '\u2211', + minus: '\u2212', + lowast: '\u2217', + radic: '\u221A', + prop: '\u221D', + infin: '\u221E', + ang: '\u2220', + and: '\u2227', + or: '\u2228', + cap: '\u2229', + cup: '\u222A', + 'int': '\u222B', + there4: '\u2234', + sim: '\u223C', + cong: '\u2245', + asymp: '\u2248', + ne: '\u2260', + equiv: '\u2261', + le: '\u2264', + ge: '\u2265', + sub: '\u2282', + sup: '\u2283', + nsub: '\u2284', + sube: '\u2286', + supe: '\u2287', + oplus: '\u2295', + otimes: '\u2297', + perp: '\u22A5', + sdot: '\u22C5', + lceil: '\u2308', + rceil: '\u2309', + lfloor: '\u230A', + rfloor: '\u230B', + lang: '\u2329', + rang: '\u232A', + loz: '\u25CA', + spades: '\u2660', + clubs: '\u2663', + hearts: '\u2665', + diams: '\u2666' +}; diff --git a/module/node_modules/acorn/CHANGELOG.md b/module/node_modules/acorn/CHANGELOG.md new file mode 100644 index 000000000..c86068cd7 --- /dev/null +++ b/module/node_modules/acorn/CHANGELOG.md @@ -0,0 +1,954 @@ +## 8.15.0 (2025-06-08) + +### New features + +Support `using` and `await using` syntax. + +The `AnyNode` type is now defined in such a way that plugins can extend it. + +### Bug fixes + +Fix an issue where the `bigint` property of literal nodes for non-decimal bigints had the wrong format. + +The `acorn` CLI tool no longer crashes when emitting a tree that contains a bigint. + +## 8.14.1 (2025-03-05) + +### Bug fixes + +Fix an issue where `await` expressions in class field initializers were inappropriately allowed. + +Properly allow await inside an async arrow function inside a class field initializer. + +Mention the source file name in syntax error messages when given. + +Properly add an empty `attributes` property to every form of `ExportNamedDeclaration`. + +## 8.14.0 (2024-10-27) + +### New features + +Support ES2025 import attributes. + +Support ES2025 RegExp modifiers. + +### Bug fixes + +Support some missing Unicode properties. + +## 8.13.0 (2024-10-16) + +### New features + +Upgrade to Unicode 16.0. + +## 8.12.1 (2024-07-03) + +### Bug fixes + +Fix a regression that caused Acorn to no longer run on Node versions <8.10. + +## 8.12.0 (2024-06-14) + +### New features + +Support ES2025 duplicate capture group names in regular expressions. + +### Bug fixes + +Include `VariableDeclarator` in the `AnyNode` type so that walker objects can refer to it without getting a type error. + +Properly raise a parse error for invalid `for`/`of` statements using `async` as binding name. + +Properly recognize \"use strict\" when preceded by a string with an escaped newline. + +Mark the `Parser` constructor as protected, not private, so plugins can extend it without type errors. + +Fix a bug where some invalid `delete` expressions were let through when the operand was parenthesized and `preserveParens` was enabled. + +Properly normalize line endings in raw strings of invalid template tokens. + +Properly track line numbers for escaped newlines in strings. + +Fix a bug that broke line number accounting after a template literal with invalid escape sequences. + +## 8.11.3 (2023-12-29) + +### Bug fixes + +Add `Function` and `Class` to the `AggregateType` type, so that they can be used in walkers without raising a type error. + +Make sure `onToken` get an `import` keyword token when parsing `import.meta`. + +Fix a bug where `.loc.start` could be undefined for `new.target` `meta` nodes. + +## 8.11.2 (2023-10-27) + +### Bug fixes + +Fix a bug that caused regular expressions after colon tokens to not be properly tokenized in some circumstances. + +## 8.11.1 (2023-10-26) + +### Bug fixes + +Fix a regression where `onToken` would receive 'name' tokens for 'new' keyword tokens. + +## 8.11.0 (2023-10-26) + +### Bug fixes + +Fix an issue where tokenizing (without parsing) an object literal with a property named `class` or `function` could, in some circumstance, put the tokenizer into an invalid state. + +Fix an issue where a slash after a call to a propery named the same as some keywords would be tokenized as a regular expression. + +### New features + +Upgrade to Unicode 15.1. + +Use a set of new, much more precise, TypeScript types. + +## 8.10.0 (2023-07-05) + +### New features + +Add a `checkPrivateFields` option that disables strict checking of private property use. + +## 8.9.0 (2023-06-16) + +### Bug fixes + +Forbid dynamic import after `new`, even when part of a member expression. + +### New features + +Add Unicode properties for ES2023. + +Add support for the `v` flag to regular expressions. + +## 8.8.2 (2023-01-23) + +### Bug fixes + +Fix a bug that caused `allowHashBang` to be set to false when not provided, even with `ecmaVersion >= 14`. + +Fix an exception when passing no option object to `parse` or `new Parser`. + +Fix incorrect parse error on `if (0) let\n[astral identifier char]`. + +## 8.8.1 (2022-10-24) + +### Bug fixes + +Make type for `Comment` compatible with estree types. + +## 8.8.0 (2022-07-21) + +### Bug fixes + +Allow parentheses around spread args in destructuring object assignment. + +Fix an issue where the tree contained `directive` properties in when parsing with a language version that doesn't support them. + +### New features + +Support hashbang comments by default in ECMAScript 2023 and later. + +## 8.7.1 (2021-04-26) + +### Bug fixes + +Stop handling `"use strict"` directives in ECMAScript versions before 5. + +Fix an issue where duplicate quoted export names in `export *` syntax were incorrectly checked. + +Add missing type for `tokTypes`. + +## 8.7.0 (2021-12-27) + +### New features + +Support quoted export names. + +Upgrade to Unicode 14. + +Add support for Unicode 13 properties in regular expressions. + +### Bug fixes + +Use a loop to find line breaks, because the existing regexp search would overrun the end of the searched range and waste a lot of time in minified code. + +## 8.6.0 (2021-11-18) + +### Bug fixes + +Fix a bug where an object literal with multiple `__proto__` properties would incorrectly be accepted if a later property value held an assigment. + +### New features + +Support class private fields with the `in` operator. + +## 8.5.0 (2021-09-06) + +### Bug fixes + +Improve context-dependent tokenization in a number of corner cases. + +Fix location tracking after a 0x2028 or 0x2029 character in a string literal (which before did not increase the line number). + +Fix an issue where arrow function bodies in for loop context would inappropriately consume `in` operators. + +Fix wrong end locations stored on SequenceExpression nodes. + +Implement restriction that `for`/`of` loop LHS can't start with `let`. + +### New features + +Add support for ES2022 class static blocks. + +Allow multiple input files to be passed to the CLI tool. + +## 8.4.1 (2021-06-24) + +### Bug fixes + +Fix a bug where `allowAwaitOutsideFunction` would allow `await` in class field initializers, and setting `ecmaVersion` to 13 or higher would allow top-level await in non-module sources. + +## 8.4.0 (2021-06-11) + +### New features + +A new option, `allowSuperOutsideMethod`, can be used to suppress the error when `super` is used in the wrong context. + +## 8.3.0 (2021-05-31) + +### New features + +Default `allowAwaitOutsideFunction` to true for ECMAScript 2022 an higher. + +Add support for the `d` ([indices](https://github.com/tc39/proposal-regexp-match-indices)) regexp flag. + +## 8.2.4 (2021-05-04) + +### Bug fixes + +Fix spec conformity in corner case 'for await (async of ...)'. + +## 8.2.3 (2021-05-04) + +### Bug fixes + +Fix an issue where the library couldn't parse 'for (async of ...)'. + +Fix a bug in UTF-16 decoding that would read characters incorrectly in some circumstances. + +## 8.2.2 (2021-04-29) + +### Bug fixes + +Fix a bug where a class field initialized to an async arrow function wouldn't allow await inside it. Same issue existed for generator arrow functions with yield. + +## 8.2.1 (2021-04-24) + +### Bug fixes + +Fix a regression introduced in 8.2.0 where static or async class methods with keyword names fail to parse. + +## 8.2.0 (2021-04-24) + +### New features + +Add support for ES2022 class fields and private methods. + +## 8.1.1 (2021-04-12) + +### Various + +Stop shipping source maps in the NPM package. + +## 8.1.0 (2021-03-09) + +### Bug fixes + +Fix a spurious error in nested destructuring arrays. + +### New features + +Expose `allowAwaitOutsideFunction` in CLI interface. + +Make `allowImportExportAnywhere` also apply to `import.meta`. + +## 8.0.5 (2021-01-25) + +### Bug fixes + +Adjust package.json to work with Node 12.16.0 and 13.0-13.6. + +## 8.0.4 (2020-10-05) + +### Bug fixes + +Make `await x ** y` an error, following the spec. + +Fix potentially exponential regular expression. + +## 8.0.3 (2020-10-02) + +### Bug fixes + +Fix a wasteful loop during `Parser` creation when setting `ecmaVersion` to `"latest"`. + +## 8.0.2 (2020-09-30) + +### Bug fixes + +Make the TypeScript types reflect the current allowed values for `ecmaVersion`. + +Fix another regexp/division tokenizer issue. + +## 8.0.1 (2020-08-12) + +### Bug fixes + +Provide the correct value in the `version` export. + +## 8.0.0 (2020-08-12) + +### Bug fixes + +Disallow expressions like `(a = b) = c`. + +Make non-octal escape sequences a syntax error in strict mode. + +### New features + +The package can now be loaded directly as an ECMAScript module in node 13+. + +Update to the set of Unicode properties from ES2021. + +### Breaking changes + +The `ecmaVersion` option is now required. For the moment, omitting it will still work with a warning, but that will change in a future release. + +Some changes to method signatures that may be used by plugins. + +## 7.4.0 (2020-08-03) + +### New features + +Add support for logical assignment operators. + +Add support for numeric separators. + +## 7.3.1 (2020-06-11) + +### Bug fixes + +Make the string in the `version` export match the actual library version. + +## 7.3.0 (2020-06-11) + +### Bug fixes + +Fix a bug that caused parsing of object patterns with a property named `set` that had a default value to fail. + +### New features + +Add support for optional chaining (`?.`). + +## 7.2.0 (2020-05-09) + +### Bug fixes + +Fix precedence issue in parsing of async arrow functions. + +### New features + +Add support for nullish coalescing. + +Add support for `import.meta`. + +Support `export * as ...` syntax. + +Upgrade to Unicode 13. + +## 6.4.1 (2020-03-09) + +### Bug fixes + +More carefully check for valid UTF16 surrogate pairs in regexp validator. + +## 7.1.1 (2020-03-01) + +### Bug fixes + +Treat `\8` and `\9` as invalid escapes in template strings. + +Allow unicode escapes in property names that are keywords. + +Don't error on an exponential operator expression as argument to `await`. + +More carefully check for valid UTF16 surrogate pairs in regexp validator. + +## 7.1.0 (2019-09-24) + +### Bug fixes + +Disallow trailing object literal commas when ecmaVersion is less than 5. + +### New features + +Add a static `acorn` property to the `Parser` class that contains the entire module interface, to allow plugins to access the instance of the library that they are acting on. + +## 7.0.0 (2019-08-13) + +### Breaking changes + +Changes the node format for dynamic imports to use the `ImportExpression` node type, as defined in [ESTree](https://github.com/estree/estree/blob/master/es2020.md#importexpression). + +Makes 10 (ES2019) the default value for the `ecmaVersion` option. + +## 6.3.0 (2019-08-12) + +### New features + +`sourceType: "module"` can now be used even when `ecmaVersion` is less than 6, to parse module-style code that otherwise conforms to an older standard. + +## 6.2.1 (2019-07-21) + +### Bug fixes + +Fix bug causing Acorn to treat some characters as identifier characters that shouldn't be treated as such. + +Fix issue where setting the `allowReserved` option to `"never"` allowed reserved words in some circumstances. + +## 6.2.0 (2019-07-04) + +### Bug fixes + +Improve valid assignment checking in `for`/`in` and `for`/`of` loops. + +Disallow binding `let` in patterns. + +### New features + +Support bigint syntax with `ecmaVersion` >= 11. + +Support dynamic `import` syntax with `ecmaVersion` >= 11. + +Upgrade to Unicode version 12. + +## 6.1.1 (2019-02-27) + +### Bug fixes + +Fix bug that caused parsing default exports of with names to fail. + +## 6.1.0 (2019-02-08) + +### Bug fixes + +Fix scope checking when redefining a `var` as a lexical binding. + +### New features + +Split up `parseSubscripts` to use an internal `parseSubscript` method to make it easier to extend with plugins. + +## 6.0.7 (2019-02-04) + +### Bug fixes + +Check that exported bindings are defined. + +Don't treat `\u180e` as a whitespace character. + +Check for duplicate parameter names in methods. + +Don't allow shorthand properties when they are generators or async methods. + +Forbid binding `await` in async arrow function's parameter list. + +## 6.0.6 (2019-01-30) + +### Bug fixes + +The content of class declarations and expressions is now always parsed in strict mode. + +Don't allow `let` or `const` to bind the variable name `let`. + +Treat class declarations as lexical. + +Don't allow a generator function declaration as the sole body of an `if` or `else`. + +Ignore `"use strict"` when after an empty statement. + +Allow string line continuations with special line terminator characters. + +Treat `for` bodies as part of the `for` scope when checking for conflicting bindings. + +Fix bug with parsing `yield` in a `for` loop initializer. + +Implement special cases around scope checking for functions. + +## 6.0.5 (2019-01-02) + +### Bug fixes + +Fix TypeScript type for `Parser.extend` and add `allowAwaitOutsideFunction` to options type. + +Don't treat `let` as a keyword when the next token is `{` on the next line. + +Fix bug that broke checking for parentheses around an object pattern in a destructuring assignment when `preserveParens` was on. + +## 6.0.4 (2018-11-05) + +### Bug fixes + +Further improvements to tokenizing regular expressions in corner cases. + +## 6.0.3 (2018-11-04) + +### Bug fixes + +Fix bug in tokenizing an expression-less return followed by a function followed by a regular expression. + +Remove stray symlink in the package tarball. + +## 6.0.2 (2018-09-26) + +### Bug fixes + +Fix bug where default expressions could fail to parse inside an object destructuring assignment expression. + +## 6.0.1 (2018-09-14) + +### Bug fixes + +Fix wrong value in `version` export. + +## 6.0.0 (2018-09-14) + +### Bug fixes + +Better handle variable-redefinition checks for catch bindings and functions directly under if statements. + +Forbid `new.target` in top-level arrow functions. + +Fix issue with parsing a regexp after `yield` in some contexts. + +### New features + +The package now comes with TypeScript definitions. + +### Breaking changes + +The default value of the `ecmaVersion` option is now 9 (2018). + +Plugins work differently, and will have to be rewritten to work with this version. + +The loose parser and walker have been moved into separate packages (`acorn-loose` and `acorn-walk`). + +## 5.7.3 (2018-09-10) + +### Bug fixes + +Fix failure to tokenize regexps after expressions like `x.of`. + +Better error message for unterminated template literals. + +## 5.7.2 (2018-08-24) + +### Bug fixes + +Properly handle `allowAwaitOutsideFunction` in for statements. + +Treat function declarations at the top level of modules like let bindings. + +Don't allow async function declarations as the only statement under a label. + +## 5.7.0 (2018-06-15) + +### New features + +Upgraded to Unicode 11. + +## 5.6.0 (2018-05-31) + +### New features + +Allow U+2028 and U+2029 in string when ECMAVersion >= 10. + +Allow binding-less catch statements when ECMAVersion >= 10. + +Add `allowAwaitOutsideFunction` option for parsing top-level `await`. + +## 5.5.3 (2018-03-08) + +### Bug fixes + +A _second_ republish of the code in 5.5.1, this time with yarn, to hopefully get valid timestamps. + +## 5.5.2 (2018-03-08) + +### Bug fixes + +A republish of the code in 5.5.1 in an attempt to solve an issue with the file timestamps in the npm package being 0. + +## 5.5.1 (2018-03-06) + +### Bug fixes + +Fix misleading error message for octal escapes in template strings. + +## 5.5.0 (2018-02-27) + +### New features + +The identifier character categorization is now based on Unicode version 10. + +Acorn will now validate the content of regular expressions, including new ES9 features. + +## 5.4.0 (2018-02-01) + +### Bug fixes + +Disallow duplicate or escaped flags on regular expressions. + +Disallow octal escapes in strings in strict mode. + +### New features + +Add support for async iteration. + +Add support for object spread and rest. + +## 5.3.0 (2017-12-28) + +### Bug fixes + +Fix parsing of floating point literals with leading zeroes in loose mode. + +Allow duplicate property names in object patterns. + +Don't allow static class methods named `prototype`. + +Disallow async functions directly under `if` or `else`. + +Parse right-hand-side of `for`/`of` as an assignment expression. + +Stricter parsing of `for`/`in`. + +Don't allow unicode escapes in contextual keywords. + +### New features + +Parsing class members was factored into smaller methods to allow plugins to hook into it. + +## 5.2.1 (2017-10-30) + +### Bug fixes + +Fix a token context corruption bug. + +## 5.2.0 (2017-10-30) + +### Bug fixes + +Fix token context tracking for `class` and `function` in property-name position. + +Make sure `%*` isn't parsed as a valid operator. + +Allow shorthand properties `get` and `set` to be followed by default values. + +Disallow `super` when not in callee or object position. + +### New features + +Support [`directive` property](https://github.com/estree/estree/compare/b3de58c9997504d6fba04b72f76e6dd1619ee4eb...1da8e603237144f44710360f8feb7a9977e905e0) on directive expression statements. + +## 5.1.2 (2017-09-04) + +### Bug fixes + +Disable parsing of legacy HTML-style comments in modules. + +Fix parsing of async methods whose names are keywords. + +## 5.1.1 (2017-07-06) + +### Bug fixes + +Fix problem with disambiguating regexp and division after a class. + +## 5.1.0 (2017-07-05) + +### Bug fixes + +Fix tokenizing of regexps in an object-desctructuring `for`/`of` loop and after `yield`. + +Parse zero-prefixed numbers with non-octal digits as decimal. + +Allow object/array patterns in rest parameters. + +Don't error when `yield` is used as a property name. + +Allow `async` as a shorthand object property. + +### New features + +Implement the [template literal revision proposal](https://github.com/tc39/proposal-template-literal-revision) for ES9. + +## 5.0.3 (2017-04-01) + +### Bug fixes + +Fix spurious duplicate variable definition errors for named functions. + +## 5.0.2 (2017-03-30) + +### Bug fixes + +A binary operator after a parenthesized arrow expression is no longer incorrectly treated as an error. + +## 5.0.0 (2017-03-28) + +### Bug fixes + +Raise an error for duplicated lexical bindings. + +Fix spurious error when an assignement expression occurred after a spread expression. + +Accept regular expressions after `of` (in `for`/`of`), `yield` (in a generator), and braced arrow functions. + +Allow labels in front or `var` declarations, even in strict mode. + +### Breaking changes + +Parse declarations following `export default` as declaration nodes, not expressions. This means that class and function declarations nodes can now have `null` as their `id`. + +## 4.0.11 (2017-02-07) + +### Bug fixes + +Allow all forms of member expressions to be parenthesized as lvalue. + +## 4.0.10 (2017-02-07) + +### Bug fixes + +Don't expect semicolons after default-exported functions or classes, even when they are expressions. + +Check for use of `'use strict'` directives in non-simple parameter functions, even when already in strict mode. + +## 4.0.9 (2017-02-06) + +### Bug fixes + +Fix incorrect error raised for parenthesized simple assignment targets, so that `(x) = 1` parses again. + +## 4.0.8 (2017-02-03) + +### Bug fixes + +Solve spurious parenthesized pattern errors by temporarily erring on the side of accepting programs that our delayed errors don't handle correctly yet. + +## 4.0.7 (2017-02-02) + +### Bug fixes + +Accept invalidly rejected code like `(x).y = 2` again. + +Don't raise an error when a function _inside_ strict code has a non-simple parameter list. + +## 4.0.6 (2017-02-02) + +### Bug fixes + +Fix exponential behavior (manifesting itself as a complete hang for even relatively small source files) introduced by the new 'use strict' check. + +## 4.0.5 (2017-02-02) + +### Bug fixes + +Disallow parenthesized pattern expressions. + +Allow keywords as export names. + +Don't allow the `async` keyword to be parenthesized. + +Properly raise an error when a keyword contains a character escape. + +Allow `"use strict"` to appear after other string literal expressions. + +Disallow labeled declarations. + +## 4.0.4 (2016-12-19) + +### Bug fixes + +Fix crash when `export` was followed by a keyword that can't be +exported. + +## 4.0.3 (2016-08-16) + +### Bug fixes + +Allow regular function declarations inside single-statement `if` branches in loose mode. Forbid them entirely in strict mode. + +Properly parse properties named `async` in ES2017 mode. + +Fix bug where reserved words were broken in ES2017 mode. + +## 4.0.2 (2016-08-11) + +### Bug fixes + +Don't ignore period or 'e' characters after octal numbers. + +Fix broken parsing for call expressions in default parameter values of arrow functions. + +## 4.0.1 (2016-08-08) + +### Bug fixes + +Fix false positives in duplicated export name errors. + +## 4.0.0 (2016-08-07) + +### Breaking changes + +The default `ecmaVersion` option value is now 7. + +A number of internal method signatures changed, so plugins might need to be updated. + +### Bug fixes + +The parser now raises errors on duplicated export names. + +`arguments` and `eval` can now be used in shorthand properties. + +Duplicate parameter names in non-simple argument lists now always produce an error. + +### New features + +The `ecmaVersion` option now also accepts year-style version numbers +(2015, etc). + +Support for `async`/`await` syntax when `ecmaVersion` is >= 8. + +Support for trailing commas in call expressions when `ecmaVersion` is >= 8. + +## 3.3.0 (2016-07-25) + +### Bug fixes + +Fix bug in tokenizing of regexp operator after a function declaration. + +Fix parser crash when parsing an array pattern with a hole. + +### New features + +Implement check against complex argument lists in functions that enable strict mode in ES7. + +## 3.2.0 (2016-06-07) + +### Bug fixes + +Improve handling of lack of unicode regexp support in host +environment. + +Properly reject shorthand properties whose name is a keyword. + +### New features + +Visitors created with `visit.make` now have their base as _prototype_, rather than copying properties into a fresh object. + +## 3.1.0 (2016-04-18) + +### Bug fixes + +Properly tokenize the division operator directly after a function expression. + +Allow trailing comma in destructuring arrays. + +## 3.0.4 (2016-02-25) + +### Fixes + +Allow update expressions as left-hand-side of the ES7 exponential operator. + +## 3.0.2 (2016-02-10) + +### Fixes + +Fix bug that accidentally made `undefined` a reserved word when parsing ES7. + +## 3.0.0 (2016-02-10) + +### Breaking changes + +The default value of the `ecmaVersion` option is now 6 (used to be 5). + +Support for comprehension syntax (which was dropped from the draft spec) has been removed. + +### Fixes + +`let` and `yield` are now “contextual keywords”, meaning you can mostly use them as identifiers in ES5 non-strict code. + +A parenthesized class or function expression after `export default` is now parsed correctly. + +### New features + +When `ecmaVersion` is set to 7, Acorn will parse the exponentiation operator (`**`). + +The identifier character ranges are now based on Unicode 8.0.0. + +Plugins can now override the `raiseRecoverable` method to override the way non-critical errors are handled. + +## 2.7.0 (2016-01-04) + +### Fixes + +Stop allowing rest parameters in setters. + +Disallow `y` rexexp flag in ES5. + +Disallow `\00` and `\000` escapes in strict mode. + +Raise an error when an import name is a reserved word. + +## 2.6.2 (2015-11-10) + +### Fixes + +Don't crash when no options object is passed. + +## 2.6.0 (2015-11-09) + +### Fixes + +Add `await` as a reserved word in module sources. + +Disallow `yield` in a parameter default value for a generator. + +Forbid using a comma after a rest pattern in an array destructuring. + +### New features + +Support parsing stdin in command-line tool. + +## 2.5.0 (2015-10-27) + +### Fixes + +Fix tokenizer support in the command-line tool. + +Stop allowing `new.target` outside of functions. + +Remove legacy `guard` and `guardedHandler` properties from try nodes. + +Stop allowing multiple `__proto__` properties on an object literal in strict mode. + +Don't allow rest parameters to be non-identifier patterns. + +Check for duplicate paramter names in arrow functions. diff --git a/module/node_modules/acorn/LICENSE b/module/node_modules/acorn/LICENSE new file mode 100644 index 000000000..9d71cc63a --- /dev/null +++ b/module/node_modules/acorn/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (C) 2012-2022 by various contributors (see AUTHORS) + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/module/node_modules/acorn/README.md b/module/node_modules/acorn/README.md new file mode 100644 index 000000000..f7ff96624 --- /dev/null +++ b/module/node_modules/acorn/README.md @@ -0,0 +1,282 @@ +# Acorn + +A tiny, fast JavaScript parser written in JavaScript. + +## Community + +Acorn is open source software released under an +[MIT license](https://github.com/acornjs/acorn/blob/master/acorn/LICENSE). + +You are welcome to +[report bugs](https://github.com/acornjs/acorn/issues) or create pull +requests on [github](https://github.com/acornjs/acorn). + +## Installation + +The easiest way to install acorn is from [`npm`](https://www.npmjs.com/): + +```sh +npm install acorn +``` + +Alternately, you can download the source and build acorn yourself: + +```sh +git clone https://github.com/acornjs/acorn.git +cd acorn +npm install +``` + +## Interface + +**parse**`(input, options)` is the main interface to the library. The +`input` parameter is a string, `options` must be an object setting +some of the options listed below. The return value will be an abstract +syntax tree object as specified by the [ESTree +spec](https://github.com/estree/estree). + +```javascript +let acorn = require("acorn"); +console.log(acorn.parse("1 + 1", {ecmaVersion: 2020})); +``` + +When encountering a syntax error, the parser will raise a +`SyntaxError` object with a meaningful message. The error object will +have a `pos` property that indicates the string offset at which the +error occurred, and a `loc` object that contains a `{line, column}` +object referring to that same position. + +Options are provided by in a second argument, which should be an +object containing any of these fields (only `ecmaVersion` is +required): + +- **ecmaVersion**: Indicates the ECMAScript version to parse. Can be a + number, either in year (`2022`) or plain version number (`6`) form, + or `"latest"` (the latest the library supports). This influences + support for strict mode, the set of reserved words, and support for + new syntax features. + + **NOTE**: Only 'stage 4' (finalized) ECMAScript features are being + implemented by Acorn. Other proposed new features must be + implemented through plugins. + +- **sourceType**: Indicate the mode the code should be parsed in. Can be + either `"script"` or `"module"`. This influences global strict mode + and parsing of `import` and `export` declarations. + + **NOTE**: If set to `"module"`, then static `import` / `export` syntax + will be valid, even if `ecmaVersion` is less than 6. + +- **onInsertedSemicolon**: If given a callback, that callback will be + called whenever a missing semicolon is inserted by the parser. The + callback will be given the character offset of the point where the + semicolon is inserted as argument, and if `locations` is on, also a + `{line, column}` object representing this position. + +- **onTrailingComma**: Like `onInsertedSemicolon`, but for trailing + commas. + +- **allowReserved**: If `false`, using a reserved word will generate + an error. Defaults to `true` for `ecmaVersion` 3, `false` for higher + versions. When given the value `"never"`, reserved words and + keywords can also not be used as property names (as in Internet + Explorer's old parser). + +- **allowReturnOutsideFunction**: By default, a return statement at + the top level raises an error. Set this to `true` to accept such + code. + +- **allowImportExportEverywhere**: By default, `import` and `export` + declarations can only appear at a program's top level. Setting this + option to `true` allows them anywhere where a statement is allowed, + and also allows `import.meta` expressions to appear in scripts + (when `sourceType` is not `"module"`). + +- **allowAwaitOutsideFunction**: If `false`, `await` expressions can + only appear inside `async` functions. Defaults to `true` in modules + for `ecmaVersion` 2022 and later, `false` for lower versions. + Setting this option to `true` allows to have top-level `await` + expressions. They are still not allowed in non-`async` functions, + though. + +- **allowSuperOutsideMethod**: By default, `super` outside a method + raises an error. Set this to `true` to accept such code. + +- **allowHashBang**: When this is enabled, if the code starts with the + characters `#!` (as in a shellscript), the first line will be + treated as a comment. Defaults to true when `ecmaVersion` >= 2023. + +- **checkPrivateFields**: By default, the parser will verify that + private properties are only used in places where they are valid and + have been declared. Set this to false to turn such checks off. + +- **locations**: When `true`, each node has a `loc` object attached + with `start` and `end` subobjects, each of which contains the + one-based line and zero-based column numbers in `{line, column}` + form. Default is `false`. + +- **onToken**: If a function is passed for this option, each found + token will be passed in same format as tokens returned from + `tokenizer().getToken()`. + + If array is passed, each found token is pushed to it. + + Note that you are not allowed to call the parser from the + callback—that will corrupt its internal state. + +- **onComment**: If a function is passed for this option, whenever a + comment is encountered the function will be called with the + following parameters: + + - `block`: `true` if the comment is a block comment, false if it + is a line comment. + - `text`: The content of the comment. + - `start`: Character offset of the start of the comment. + - `end`: Character offset of the end of the comment. + + When the `locations` options is on, the `{line, column}` locations + of the comment’s start and end are passed as two additional + parameters. + + If array is passed for this option, each found comment is pushed + to it as object in Esprima format: + + ```javascript + { + "type": "Line" | "Block", + "value": "comment text", + "start": Number, + "end": Number, + // If `locations` option is on: + "loc": { + "start": {line: Number, column: Number} + "end": {line: Number, column: Number} + }, + // If `ranges` option is on: + "range": [Number, Number] + } + ``` + + Note that you are not allowed to call the parser from the + callback—that will corrupt its internal state. + +- **ranges**: Nodes have their start and end characters offsets + recorded in `start` and `end` properties (directly on the node, + rather than the `loc` object, which holds line/column data. To also + add a + [semi-standardized](https://bugzilla.mozilla.org/show_bug.cgi?id=745678) + `range` property holding a `[start, end]` array with the same + numbers, set the `ranges` option to `true`. + +- **program**: It is possible to parse multiple files into a single + AST by passing the tree produced by parsing the first file as the + `program` option in subsequent parses. This will add the toplevel + forms of the parsed file to the "Program" (top) node of an existing + parse tree. + +- **sourceFile**: When the `locations` option is `true`, you can pass + this option to add a `source` attribute in every node’s `loc` + object. Note that the contents of this option are not examined or + processed in any way; you are free to use whatever format you + choose. + +- **directSourceFile**: Like `sourceFile`, but a `sourceFile` property + will be added (regardless of the `location` option) directly to the + nodes, rather than the `loc` object. + +- **preserveParens**: If this option is `true`, parenthesized expressions + are represented by (non-standard) `ParenthesizedExpression` nodes + that have a single `expression` property containing the expression + inside parentheses. + +**parseExpressionAt**`(input, offset, options)` will parse a single +expression in a string, and return its AST. It will not complain if +there is more of the string left after the expression. + +**tokenizer**`(input, options)` returns an object with a `getToken` +method that can be called repeatedly to get the next token, a `{start, +end, type, value}` object (with added `loc` property when the +`locations` option is enabled and `range` property when the `ranges` +option is enabled). When the token's type is `tokTypes.eof`, you +should stop calling the method, since it will keep returning that same +token forever. + +Note that tokenizing JavaScript without parsing it is, in modern +versions of the language, not really possible due to the way syntax is +overloaded in ways that can only be disambiguated by the parse +context. This package applies a bunch of heuristics to try and do a +reasonable job, but you are advised to use `parse` with the `onToken` +option instead of this. + +In ES6 environment, returned result can be used as any other +protocol-compliant iterable: + +```javascript +for (let token of acorn.tokenizer(str)) { + // iterate over the tokens +} + +// transform code to array of tokens: +var tokens = [...acorn.tokenizer(str)]; +``` + +**tokTypes** holds an object mapping names to the token type objects +that end up in the `type` properties of tokens. + +**getLineInfo**`(input, offset)` can be used to get a `{line, +column}` object for a given program string and offset. + +### The `Parser` class + +Instances of the **`Parser`** class contain all the state and logic +that drives a parse. It has static methods `parse`, +`parseExpressionAt`, and `tokenizer` that match the top-level +functions by the same name. + +When extending the parser with plugins, you need to call these methods +on the extended version of the class. To extend a parser with plugins, +you can use its static `extend` method. + +```javascript +var acorn = require("acorn"); +var jsx = require("acorn-jsx"); +var JSXParser = acorn.Parser.extend(jsx()); +JSXParser.parse("foo()", {ecmaVersion: 2020}); +``` + +The `extend` method takes any number of plugin values, and returns a +new `Parser` class that includes the extra parser logic provided by +the plugins. + +## Command line interface + +The `bin/acorn` utility can be used to parse a file from the command +line. It accepts as arguments its input file and the following +options: + +- `--ecma3|--ecma5|--ecma6|--ecma7|--ecma8|--ecma9|--ecma10`: Sets the ECMAScript version + to parse. Default is version 9. + +- `--module`: Sets the parsing mode to `"module"`. Is set to `"script"` otherwise. + +- `--locations`: Attaches a "loc" object to each node with "start" and + "end" subobjects, each of which contains the one-based line and + zero-based column numbers in `{line, column}` form. + +- `--allow-hash-bang`: If the code starts with the characters #! (as + in a shellscript), the first line will be treated as a comment. + +- `--allow-await-outside-function`: Allows top-level `await` expressions. + See the `allowAwaitOutsideFunction` option for more information. + +- `--compact`: No whitespace is used in the AST output. + +- `--silent`: Do not output the AST, just return the exit status. + +- `--help`: Print the usage information and quit. + +The utility spits out the syntax tree as JSON data. + +## Existing plugins + + - [`acorn-jsx`](https://github.com/RReverser/acorn-jsx): Parse [Facebook JSX syntax extensions](https://github.com/facebook/jsx) diff --git a/module/node_modules/acorn/bin/acorn b/module/node_modules/acorn/bin/acorn new file mode 100644 index 000000000..3ef3c124b --- /dev/null +++ b/module/node_modules/acorn/bin/acorn @@ -0,0 +1,4 @@ +#!/usr/bin/env node +"use strict" + +require("../dist/bin.js") diff --git a/module/node_modules/acorn/dist/acorn.d.mts b/module/node_modules/acorn/dist/acorn.d.mts new file mode 100644 index 000000000..f2ec5243b --- /dev/null +++ b/module/node_modules/acorn/dist/acorn.d.mts @@ -0,0 +1,883 @@ +export interface Node { + start: number + end: number + type: string + range?: [number, number] + loc?: SourceLocation | null +} + +export interface SourceLocation { + source?: string | null + start: Position + end: Position +} + +export interface Position { + /** 1-based */ + line: number + /** 0-based */ + column: number +} + +export interface Identifier extends Node { + type: "Identifier" + name: string +} + +export interface Literal extends Node { + type: "Literal" + value?: string | boolean | null | number | RegExp | bigint + raw?: string + regex?: { + pattern: string + flags: string + } + bigint?: string +} + +export interface Program extends Node { + type: "Program" + body: Array + sourceType: "script" | "module" +} + +export interface Function extends Node { + id?: Identifier | null + params: Array + body: BlockStatement | Expression + generator: boolean + expression: boolean + async: boolean +} + +export interface ExpressionStatement extends Node { + type: "ExpressionStatement" + expression: Expression | Literal + directive?: string +} + +export interface BlockStatement extends Node { + type: "BlockStatement" + body: Array +} + +export interface EmptyStatement extends Node { + type: "EmptyStatement" +} + +export interface DebuggerStatement extends Node { + type: "DebuggerStatement" +} + +export interface WithStatement extends Node { + type: "WithStatement" + object: Expression + body: Statement +} + +export interface ReturnStatement extends Node { + type: "ReturnStatement" + argument?: Expression | null +} + +export interface LabeledStatement extends Node { + type: "LabeledStatement" + label: Identifier + body: Statement +} + +export interface BreakStatement extends Node { + type: "BreakStatement" + label?: Identifier | null +} + +export interface ContinueStatement extends Node { + type: "ContinueStatement" + label?: Identifier | null +} + +export interface IfStatement extends Node { + type: "IfStatement" + test: Expression + consequent: Statement + alternate?: Statement | null +} + +export interface SwitchStatement extends Node { + type: "SwitchStatement" + discriminant: Expression + cases: Array +} + +export interface SwitchCase extends Node { + type: "SwitchCase" + test?: Expression | null + consequent: Array +} + +export interface ThrowStatement extends Node { + type: "ThrowStatement" + argument: Expression +} + +export interface TryStatement extends Node { + type: "TryStatement" + block: BlockStatement + handler?: CatchClause | null + finalizer?: BlockStatement | null +} + +export interface CatchClause extends Node { + type: "CatchClause" + param?: Pattern | null + body: BlockStatement +} + +export interface WhileStatement extends Node { + type: "WhileStatement" + test: Expression + body: Statement +} + +export interface DoWhileStatement extends Node { + type: "DoWhileStatement" + body: Statement + test: Expression +} + +export interface ForStatement extends Node { + type: "ForStatement" + init?: VariableDeclaration | Expression | null + test?: Expression | null + update?: Expression | null + body: Statement +} + +export interface ForInStatement extends Node { + type: "ForInStatement" + left: VariableDeclaration | Pattern + right: Expression + body: Statement +} + +export interface FunctionDeclaration extends Function { + type: "FunctionDeclaration" + id: Identifier + body: BlockStatement +} + +export interface VariableDeclaration extends Node { + type: "VariableDeclaration" + declarations: Array + kind: "var" | "let" | "const" | "using" | "await using" +} + +export interface VariableDeclarator extends Node { + type: "VariableDeclarator" + id: Pattern + init?: Expression | null +} + +export interface ThisExpression extends Node { + type: "ThisExpression" +} + +export interface ArrayExpression extends Node { + type: "ArrayExpression" + elements: Array +} + +export interface ObjectExpression extends Node { + type: "ObjectExpression" + properties: Array +} + +export interface Property extends Node { + type: "Property" + key: Expression + value: Expression + kind: "init" | "get" | "set" + method: boolean + shorthand: boolean + computed: boolean +} + +export interface FunctionExpression extends Function { + type: "FunctionExpression" + body: BlockStatement +} + +export interface UnaryExpression extends Node { + type: "UnaryExpression" + operator: UnaryOperator + prefix: boolean + argument: Expression +} + +export type UnaryOperator = "-" | "+" | "!" | "~" | "typeof" | "void" | "delete" + +export interface UpdateExpression extends Node { + type: "UpdateExpression" + operator: UpdateOperator + argument: Expression + prefix: boolean +} + +export type UpdateOperator = "++" | "--" + +export interface BinaryExpression extends Node { + type: "BinaryExpression" + operator: BinaryOperator + left: Expression | PrivateIdentifier + right: Expression +} + +export type BinaryOperator = "==" | "!=" | "===" | "!==" | "<" | "<=" | ">" | ">=" | "<<" | ">>" | ">>>" | "+" | "-" | "*" | "/" | "%" | "|" | "^" | "&" | "in" | "instanceof" | "**" + +export interface AssignmentExpression extends Node { + type: "AssignmentExpression" + operator: AssignmentOperator + left: Pattern + right: Expression +} + +export type AssignmentOperator = "=" | "+=" | "-=" | "*=" | "/=" | "%=" | "<<=" | ">>=" | ">>>=" | "|=" | "^=" | "&=" | "**=" | "||=" | "&&=" | "??=" + +export interface LogicalExpression extends Node { + type: "LogicalExpression" + operator: LogicalOperator + left: Expression + right: Expression +} + +export type LogicalOperator = "||" | "&&" | "??" + +export interface MemberExpression extends Node { + type: "MemberExpression" + object: Expression | Super + property: Expression | PrivateIdentifier + computed: boolean + optional: boolean +} + +export interface ConditionalExpression extends Node { + type: "ConditionalExpression" + test: Expression + alternate: Expression + consequent: Expression +} + +export interface CallExpression extends Node { + type: "CallExpression" + callee: Expression | Super + arguments: Array + optional: boolean +} + +export interface NewExpression extends Node { + type: "NewExpression" + callee: Expression + arguments: Array +} + +export interface SequenceExpression extends Node { + type: "SequenceExpression" + expressions: Array +} + +export interface ForOfStatement extends Node { + type: "ForOfStatement" + left: VariableDeclaration | Pattern + right: Expression + body: Statement + await: boolean +} + +export interface Super extends Node { + type: "Super" +} + +export interface SpreadElement extends Node { + type: "SpreadElement" + argument: Expression +} + +export interface ArrowFunctionExpression extends Function { + type: "ArrowFunctionExpression" +} + +export interface YieldExpression extends Node { + type: "YieldExpression" + argument?: Expression | null + delegate: boolean +} + +export interface TemplateLiteral extends Node { + type: "TemplateLiteral" + quasis: Array + expressions: Array +} + +export interface TaggedTemplateExpression extends Node { + type: "TaggedTemplateExpression" + tag: Expression + quasi: TemplateLiteral +} + +export interface TemplateElement extends Node { + type: "TemplateElement" + tail: boolean + value: { + cooked?: string | null + raw: string + } +} + +export interface AssignmentProperty extends Node { + type: "Property" + key: Expression + value: Pattern + kind: "init" + method: false + shorthand: boolean + computed: boolean +} + +export interface ObjectPattern extends Node { + type: "ObjectPattern" + properties: Array +} + +export interface ArrayPattern extends Node { + type: "ArrayPattern" + elements: Array +} + +export interface RestElement extends Node { + type: "RestElement" + argument: Pattern +} + +export interface AssignmentPattern extends Node { + type: "AssignmentPattern" + left: Pattern + right: Expression +} + +export interface Class extends Node { + id?: Identifier | null + superClass?: Expression | null + body: ClassBody +} + +export interface ClassBody extends Node { + type: "ClassBody" + body: Array +} + +export interface MethodDefinition extends Node { + type: "MethodDefinition" + key: Expression | PrivateIdentifier + value: FunctionExpression + kind: "constructor" | "method" | "get" | "set" + computed: boolean + static: boolean +} + +export interface ClassDeclaration extends Class { + type: "ClassDeclaration" + id: Identifier +} + +export interface ClassExpression extends Class { + type: "ClassExpression" +} + +export interface MetaProperty extends Node { + type: "MetaProperty" + meta: Identifier + property: Identifier +} + +export interface ImportDeclaration extends Node { + type: "ImportDeclaration" + specifiers: Array + source: Literal + attributes: Array +} + +export interface ImportSpecifier extends Node { + type: "ImportSpecifier" + imported: Identifier | Literal + local: Identifier +} + +export interface ImportDefaultSpecifier extends Node { + type: "ImportDefaultSpecifier" + local: Identifier +} + +export interface ImportNamespaceSpecifier extends Node { + type: "ImportNamespaceSpecifier" + local: Identifier +} + +export interface ImportAttribute extends Node { + type: "ImportAttribute" + key: Identifier | Literal + value: Literal +} + +export interface ExportNamedDeclaration extends Node { + type: "ExportNamedDeclaration" + declaration?: Declaration | null + specifiers: Array + source?: Literal | null + attributes: Array +} + +export interface ExportSpecifier extends Node { + type: "ExportSpecifier" + exported: Identifier | Literal + local: Identifier | Literal +} + +export interface AnonymousFunctionDeclaration extends Function { + type: "FunctionDeclaration" + id: null + body: BlockStatement +} + +export interface AnonymousClassDeclaration extends Class { + type: "ClassDeclaration" + id: null +} + +export interface ExportDefaultDeclaration extends Node { + type: "ExportDefaultDeclaration" + declaration: AnonymousFunctionDeclaration | FunctionDeclaration | AnonymousClassDeclaration | ClassDeclaration | Expression +} + +export interface ExportAllDeclaration extends Node { + type: "ExportAllDeclaration" + source: Literal + exported?: Identifier | Literal | null + attributes: Array +} + +export interface AwaitExpression extends Node { + type: "AwaitExpression" + argument: Expression +} + +export interface ChainExpression extends Node { + type: "ChainExpression" + expression: MemberExpression | CallExpression +} + +export interface ImportExpression extends Node { + type: "ImportExpression" + source: Expression + options: Expression | null +} + +export interface ParenthesizedExpression extends Node { + type: "ParenthesizedExpression" + expression: Expression +} + +export interface PropertyDefinition extends Node { + type: "PropertyDefinition" + key: Expression | PrivateIdentifier + value?: Expression | null + computed: boolean + static: boolean +} + +export interface PrivateIdentifier extends Node { + type: "PrivateIdentifier" + name: string +} + +export interface StaticBlock extends Node { + type: "StaticBlock" + body: Array +} + +export type Statement = +| ExpressionStatement +| BlockStatement +| EmptyStatement +| DebuggerStatement +| WithStatement +| ReturnStatement +| LabeledStatement +| BreakStatement +| ContinueStatement +| IfStatement +| SwitchStatement +| ThrowStatement +| TryStatement +| WhileStatement +| DoWhileStatement +| ForStatement +| ForInStatement +| ForOfStatement +| Declaration + +export type Declaration = +| FunctionDeclaration +| VariableDeclaration +| ClassDeclaration + +export type Expression = +| Identifier +| Literal +| ThisExpression +| ArrayExpression +| ObjectExpression +| FunctionExpression +| UnaryExpression +| UpdateExpression +| BinaryExpression +| AssignmentExpression +| LogicalExpression +| MemberExpression +| ConditionalExpression +| CallExpression +| NewExpression +| SequenceExpression +| ArrowFunctionExpression +| YieldExpression +| TemplateLiteral +| TaggedTemplateExpression +| ClassExpression +| MetaProperty +| AwaitExpression +| ChainExpression +| ImportExpression +| ParenthesizedExpression + +export type Pattern = +| Identifier +| MemberExpression +| ObjectPattern +| ArrayPattern +| RestElement +| AssignmentPattern + +export type ModuleDeclaration = +| ImportDeclaration +| ExportNamedDeclaration +| ExportDefaultDeclaration +| ExportAllDeclaration + +/** + * This interface is only used for defining {@link AnyNode}. + * It exists so that it can be extended by plugins: + * + * @example + * ```typescript + * declare module 'acorn' { + * interface NodeTypes { + * pluginName: FirstNode | SecondNode | ThirdNode | ... | LastNode + * } + * } + * ``` + */ +interface NodeTypes { + core: Statement | Expression | Declaration | ModuleDeclaration | Literal | Program | SwitchCase | CatchClause | Property | Super | SpreadElement | TemplateElement | AssignmentProperty | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | ClassBody | MethodDefinition | MetaProperty | ImportAttribute | ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier | AnonymousFunctionDeclaration | AnonymousClassDeclaration | PropertyDefinition | PrivateIdentifier | StaticBlock | VariableDeclarator +} + +export type AnyNode = NodeTypes[keyof NodeTypes] + +export function parse(input: string, options: Options): Program + +export function parseExpressionAt(input: string, pos: number, options: Options): Expression + +export function tokenizer(input: string, options: Options): { + getToken(): Token + [Symbol.iterator](): Iterator +} + +export type ecmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | "latest" + +export interface Options { + /** + * `ecmaVersion` indicates the ECMAScript version to parse. Can be a + * number, either in year (`2022`) or plain version number (`6`) form, + * or `"latest"` (the latest the library supports). This influences + * support for strict mode, the set of reserved words, and support for + * new syntax features. + */ + ecmaVersion: ecmaVersion + + /** + * `sourceType` indicates the mode the code should be parsed in. + * Can be either `"script"` or `"module"`. This influences global + * strict mode and parsing of `import` and `export` declarations. + */ + sourceType?: "script" | "module" + + /** + * a callback that will be called when a semicolon is automatically inserted. + * @param lastTokEnd the position of the comma as an offset + * @param lastTokEndLoc location if {@link locations} is enabled + */ + onInsertedSemicolon?: (lastTokEnd: number, lastTokEndLoc?: Position) => void + + /** + * similar to `onInsertedSemicolon`, but for trailing commas + * @param lastTokEnd the position of the comma as an offset + * @param lastTokEndLoc location if `locations` is enabled + */ + onTrailingComma?: (lastTokEnd: number, lastTokEndLoc?: Position) => void + + /** + * By default, reserved words are only enforced if ecmaVersion >= 5. + * Set `allowReserved` to a boolean value to explicitly turn this on + * an off. When this option has the value "never", reserved words + * and keywords can also not be used as property names. + */ + allowReserved?: boolean | "never" + + /** + * When enabled, a return at the top level is not considered an error. + */ + allowReturnOutsideFunction?: boolean + + /** + * When enabled, import/export statements are not constrained to + * appearing at the top of the program, and an import.meta expression + * in a script isn't considered an error. + */ + allowImportExportEverywhere?: boolean + + /** + * By default, `await` identifiers are allowed to appear at the top-level scope only if {@link ecmaVersion} >= 2022. + * When enabled, await identifiers are allowed to appear at the top-level scope, + * but they are still not allowed in non-async functions. + */ + allowAwaitOutsideFunction?: boolean + + /** + * When enabled, super identifiers are not constrained to + * appearing in methods and do not raise an error when they appear elsewhere. + */ + allowSuperOutsideMethod?: boolean + + /** + * When enabled, hashbang directive in the beginning of file is + * allowed and treated as a line comment. Enabled by default when + * {@link ecmaVersion} >= 2023. + */ + allowHashBang?: boolean + + /** + * By default, the parser will verify that private properties are + * only used in places where they are valid and have been declared. + * Set this to false to turn such checks off. + */ + checkPrivateFields?: boolean + + /** + * When `locations` is on, `loc` properties holding objects with + * `start` and `end` properties as {@link Position} objects will be attached to the + * nodes. + */ + locations?: boolean + + /** + * a callback that will cause Acorn to call that export function with object in the same + * format as tokens returned from `tokenizer().getToken()`. Note + * that you are not allowed to call the parser from the + * callback—that will corrupt its internal state. + */ + onToken?: ((token: Token) => void) | Token[] + + + /** + * This takes a export function or an array. + * + * When a export function is passed, Acorn will call that export function with `(block, text, start, + * end)` parameters whenever a comment is skipped. `block` is a + * boolean indicating whether this is a block (`/* *\/`) comment, + * `text` is the content of the comment, and `start` and `end` are + * character offsets that denote the start and end of the comment. + * When the {@link locations} option is on, two more parameters are + * passed, the full locations of {@link Position} export type of the start and + * end of the comments. + * + * When a array is passed, each found comment of {@link Comment} export type is pushed to the array. + * + * Note that you are not allowed to call the + * parser from the callback—that will corrupt its internal state. + */ + onComment?: (( + isBlock: boolean, text: string, start: number, end: number, startLoc?: Position, + endLoc?: Position + ) => void) | Comment[] + + /** + * Nodes have their start and end characters offsets recorded in + * `start` and `end` properties (directly on the node, rather than + * the `loc` object, which holds line/column data. To also add a + * [semi-standardized][range] `range` property holding a `[start, + * end]` array with the same numbers, set the `ranges` option to + * `true`. + */ + ranges?: boolean + + /** + * It is possible to parse multiple files into a single AST by + * passing the tree produced by parsing the first file as + * `program` option in subsequent parses. This will add the + * toplevel forms of the parsed file to the `Program` (top) node + * of an existing parse tree. + */ + program?: Node + + /** + * When {@link locations} is on, you can pass this to record the source + * file in every node's `loc` object. + */ + sourceFile?: string + + /** + * This value, if given, is stored in every node, whether {@link locations} is on or off. + */ + directSourceFile?: string + + /** + * When enabled, parenthesized expressions are represented by + * (non-standard) ParenthesizedExpression nodes + */ + preserveParens?: boolean +} + +export class Parser { + options: Options + input: string + + protected constructor(options: Options, input: string, startPos?: number) + parse(): Program + + static parse(input: string, options: Options): Program + static parseExpressionAt(input: string, pos: number, options: Options): Expression + static tokenizer(input: string, options: Options): { + getToken(): Token + [Symbol.iterator](): Iterator + } + static extend(...plugins: ((BaseParser: typeof Parser) => typeof Parser)[]): typeof Parser +} + +export const defaultOptions: Options + +export function getLineInfo(input: string, offset: number): Position + +export class TokenType { + label: string + keyword: string | undefined +} + +export const tokTypes: { + num: TokenType + regexp: TokenType + string: TokenType + name: TokenType + privateId: TokenType + eof: TokenType + + bracketL: TokenType + bracketR: TokenType + braceL: TokenType + braceR: TokenType + parenL: TokenType + parenR: TokenType + comma: TokenType + semi: TokenType + colon: TokenType + dot: TokenType + question: TokenType + questionDot: TokenType + arrow: TokenType + template: TokenType + invalidTemplate: TokenType + ellipsis: TokenType + backQuote: TokenType + dollarBraceL: TokenType + + eq: TokenType + assign: TokenType + incDec: TokenType + prefix: TokenType + logicalOR: TokenType + logicalAND: TokenType + bitwiseOR: TokenType + bitwiseXOR: TokenType + bitwiseAND: TokenType + equality: TokenType + relational: TokenType + bitShift: TokenType + plusMin: TokenType + modulo: TokenType + star: TokenType + slash: TokenType + starstar: TokenType + coalesce: TokenType + + _break: TokenType + _case: TokenType + _catch: TokenType + _continue: TokenType + _debugger: TokenType + _default: TokenType + _do: TokenType + _else: TokenType + _finally: TokenType + _for: TokenType + _function: TokenType + _if: TokenType + _return: TokenType + _switch: TokenType + _throw: TokenType + _try: TokenType + _var: TokenType + _const: TokenType + _while: TokenType + _with: TokenType + _new: TokenType + _this: TokenType + _super: TokenType + _class: TokenType + _extends: TokenType + _export: TokenType + _import: TokenType + _null: TokenType + _true: TokenType + _false: TokenType + _in: TokenType + _instanceof: TokenType + _typeof: TokenType + _void: TokenType + _delete: TokenType +} + +export interface Comment { + type: "Line" | "Block" + value: string + start: number + end: number + loc?: SourceLocation + range?: [number, number] +} + +export class Token { + type: TokenType + start: number + end: number + loc?: SourceLocation + range?: [number, number] +} + +export const version: string diff --git a/module/node_modules/acorn/dist/acorn.d.ts b/module/node_modules/acorn/dist/acorn.d.ts new file mode 100644 index 000000000..f2ec5243b --- /dev/null +++ b/module/node_modules/acorn/dist/acorn.d.ts @@ -0,0 +1,883 @@ +export interface Node { + start: number + end: number + type: string + range?: [number, number] + loc?: SourceLocation | null +} + +export interface SourceLocation { + source?: string | null + start: Position + end: Position +} + +export interface Position { + /** 1-based */ + line: number + /** 0-based */ + column: number +} + +export interface Identifier extends Node { + type: "Identifier" + name: string +} + +export interface Literal extends Node { + type: "Literal" + value?: string | boolean | null | number | RegExp | bigint + raw?: string + regex?: { + pattern: string + flags: string + } + bigint?: string +} + +export interface Program extends Node { + type: "Program" + body: Array + sourceType: "script" | "module" +} + +export interface Function extends Node { + id?: Identifier | null + params: Array + body: BlockStatement | Expression + generator: boolean + expression: boolean + async: boolean +} + +export interface ExpressionStatement extends Node { + type: "ExpressionStatement" + expression: Expression | Literal + directive?: string +} + +export interface BlockStatement extends Node { + type: "BlockStatement" + body: Array +} + +export interface EmptyStatement extends Node { + type: "EmptyStatement" +} + +export interface DebuggerStatement extends Node { + type: "DebuggerStatement" +} + +export interface WithStatement extends Node { + type: "WithStatement" + object: Expression + body: Statement +} + +export interface ReturnStatement extends Node { + type: "ReturnStatement" + argument?: Expression | null +} + +export interface LabeledStatement extends Node { + type: "LabeledStatement" + label: Identifier + body: Statement +} + +export interface BreakStatement extends Node { + type: "BreakStatement" + label?: Identifier | null +} + +export interface ContinueStatement extends Node { + type: "ContinueStatement" + label?: Identifier | null +} + +export interface IfStatement extends Node { + type: "IfStatement" + test: Expression + consequent: Statement + alternate?: Statement | null +} + +export interface SwitchStatement extends Node { + type: "SwitchStatement" + discriminant: Expression + cases: Array +} + +export interface SwitchCase extends Node { + type: "SwitchCase" + test?: Expression | null + consequent: Array +} + +export interface ThrowStatement extends Node { + type: "ThrowStatement" + argument: Expression +} + +export interface TryStatement extends Node { + type: "TryStatement" + block: BlockStatement + handler?: CatchClause | null + finalizer?: BlockStatement | null +} + +export interface CatchClause extends Node { + type: "CatchClause" + param?: Pattern | null + body: BlockStatement +} + +export interface WhileStatement extends Node { + type: "WhileStatement" + test: Expression + body: Statement +} + +export interface DoWhileStatement extends Node { + type: "DoWhileStatement" + body: Statement + test: Expression +} + +export interface ForStatement extends Node { + type: "ForStatement" + init?: VariableDeclaration | Expression | null + test?: Expression | null + update?: Expression | null + body: Statement +} + +export interface ForInStatement extends Node { + type: "ForInStatement" + left: VariableDeclaration | Pattern + right: Expression + body: Statement +} + +export interface FunctionDeclaration extends Function { + type: "FunctionDeclaration" + id: Identifier + body: BlockStatement +} + +export interface VariableDeclaration extends Node { + type: "VariableDeclaration" + declarations: Array + kind: "var" | "let" | "const" | "using" | "await using" +} + +export interface VariableDeclarator extends Node { + type: "VariableDeclarator" + id: Pattern + init?: Expression | null +} + +export interface ThisExpression extends Node { + type: "ThisExpression" +} + +export interface ArrayExpression extends Node { + type: "ArrayExpression" + elements: Array +} + +export interface ObjectExpression extends Node { + type: "ObjectExpression" + properties: Array +} + +export interface Property extends Node { + type: "Property" + key: Expression + value: Expression + kind: "init" | "get" | "set" + method: boolean + shorthand: boolean + computed: boolean +} + +export interface FunctionExpression extends Function { + type: "FunctionExpression" + body: BlockStatement +} + +export interface UnaryExpression extends Node { + type: "UnaryExpression" + operator: UnaryOperator + prefix: boolean + argument: Expression +} + +export type UnaryOperator = "-" | "+" | "!" | "~" | "typeof" | "void" | "delete" + +export interface UpdateExpression extends Node { + type: "UpdateExpression" + operator: UpdateOperator + argument: Expression + prefix: boolean +} + +export type UpdateOperator = "++" | "--" + +export interface BinaryExpression extends Node { + type: "BinaryExpression" + operator: BinaryOperator + left: Expression | PrivateIdentifier + right: Expression +} + +export type BinaryOperator = "==" | "!=" | "===" | "!==" | "<" | "<=" | ">" | ">=" | "<<" | ">>" | ">>>" | "+" | "-" | "*" | "/" | "%" | "|" | "^" | "&" | "in" | "instanceof" | "**" + +export interface AssignmentExpression extends Node { + type: "AssignmentExpression" + operator: AssignmentOperator + left: Pattern + right: Expression +} + +export type AssignmentOperator = "=" | "+=" | "-=" | "*=" | "/=" | "%=" | "<<=" | ">>=" | ">>>=" | "|=" | "^=" | "&=" | "**=" | "||=" | "&&=" | "??=" + +export interface LogicalExpression extends Node { + type: "LogicalExpression" + operator: LogicalOperator + left: Expression + right: Expression +} + +export type LogicalOperator = "||" | "&&" | "??" + +export interface MemberExpression extends Node { + type: "MemberExpression" + object: Expression | Super + property: Expression | PrivateIdentifier + computed: boolean + optional: boolean +} + +export interface ConditionalExpression extends Node { + type: "ConditionalExpression" + test: Expression + alternate: Expression + consequent: Expression +} + +export interface CallExpression extends Node { + type: "CallExpression" + callee: Expression | Super + arguments: Array + optional: boolean +} + +export interface NewExpression extends Node { + type: "NewExpression" + callee: Expression + arguments: Array +} + +export interface SequenceExpression extends Node { + type: "SequenceExpression" + expressions: Array +} + +export interface ForOfStatement extends Node { + type: "ForOfStatement" + left: VariableDeclaration | Pattern + right: Expression + body: Statement + await: boolean +} + +export interface Super extends Node { + type: "Super" +} + +export interface SpreadElement extends Node { + type: "SpreadElement" + argument: Expression +} + +export interface ArrowFunctionExpression extends Function { + type: "ArrowFunctionExpression" +} + +export interface YieldExpression extends Node { + type: "YieldExpression" + argument?: Expression | null + delegate: boolean +} + +export interface TemplateLiteral extends Node { + type: "TemplateLiteral" + quasis: Array + expressions: Array +} + +export interface TaggedTemplateExpression extends Node { + type: "TaggedTemplateExpression" + tag: Expression + quasi: TemplateLiteral +} + +export interface TemplateElement extends Node { + type: "TemplateElement" + tail: boolean + value: { + cooked?: string | null + raw: string + } +} + +export interface AssignmentProperty extends Node { + type: "Property" + key: Expression + value: Pattern + kind: "init" + method: false + shorthand: boolean + computed: boolean +} + +export interface ObjectPattern extends Node { + type: "ObjectPattern" + properties: Array +} + +export interface ArrayPattern extends Node { + type: "ArrayPattern" + elements: Array +} + +export interface RestElement extends Node { + type: "RestElement" + argument: Pattern +} + +export interface AssignmentPattern extends Node { + type: "AssignmentPattern" + left: Pattern + right: Expression +} + +export interface Class extends Node { + id?: Identifier | null + superClass?: Expression | null + body: ClassBody +} + +export interface ClassBody extends Node { + type: "ClassBody" + body: Array +} + +export interface MethodDefinition extends Node { + type: "MethodDefinition" + key: Expression | PrivateIdentifier + value: FunctionExpression + kind: "constructor" | "method" | "get" | "set" + computed: boolean + static: boolean +} + +export interface ClassDeclaration extends Class { + type: "ClassDeclaration" + id: Identifier +} + +export interface ClassExpression extends Class { + type: "ClassExpression" +} + +export interface MetaProperty extends Node { + type: "MetaProperty" + meta: Identifier + property: Identifier +} + +export interface ImportDeclaration extends Node { + type: "ImportDeclaration" + specifiers: Array + source: Literal + attributes: Array +} + +export interface ImportSpecifier extends Node { + type: "ImportSpecifier" + imported: Identifier | Literal + local: Identifier +} + +export interface ImportDefaultSpecifier extends Node { + type: "ImportDefaultSpecifier" + local: Identifier +} + +export interface ImportNamespaceSpecifier extends Node { + type: "ImportNamespaceSpecifier" + local: Identifier +} + +export interface ImportAttribute extends Node { + type: "ImportAttribute" + key: Identifier | Literal + value: Literal +} + +export interface ExportNamedDeclaration extends Node { + type: "ExportNamedDeclaration" + declaration?: Declaration | null + specifiers: Array + source?: Literal | null + attributes: Array +} + +export interface ExportSpecifier extends Node { + type: "ExportSpecifier" + exported: Identifier | Literal + local: Identifier | Literal +} + +export interface AnonymousFunctionDeclaration extends Function { + type: "FunctionDeclaration" + id: null + body: BlockStatement +} + +export interface AnonymousClassDeclaration extends Class { + type: "ClassDeclaration" + id: null +} + +export interface ExportDefaultDeclaration extends Node { + type: "ExportDefaultDeclaration" + declaration: AnonymousFunctionDeclaration | FunctionDeclaration | AnonymousClassDeclaration | ClassDeclaration | Expression +} + +export interface ExportAllDeclaration extends Node { + type: "ExportAllDeclaration" + source: Literal + exported?: Identifier | Literal | null + attributes: Array +} + +export interface AwaitExpression extends Node { + type: "AwaitExpression" + argument: Expression +} + +export interface ChainExpression extends Node { + type: "ChainExpression" + expression: MemberExpression | CallExpression +} + +export interface ImportExpression extends Node { + type: "ImportExpression" + source: Expression + options: Expression | null +} + +export interface ParenthesizedExpression extends Node { + type: "ParenthesizedExpression" + expression: Expression +} + +export interface PropertyDefinition extends Node { + type: "PropertyDefinition" + key: Expression | PrivateIdentifier + value?: Expression | null + computed: boolean + static: boolean +} + +export interface PrivateIdentifier extends Node { + type: "PrivateIdentifier" + name: string +} + +export interface StaticBlock extends Node { + type: "StaticBlock" + body: Array +} + +export type Statement = +| ExpressionStatement +| BlockStatement +| EmptyStatement +| DebuggerStatement +| WithStatement +| ReturnStatement +| LabeledStatement +| BreakStatement +| ContinueStatement +| IfStatement +| SwitchStatement +| ThrowStatement +| TryStatement +| WhileStatement +| DoWhileStatement +| ForStatement +| ForInStatement +| ForOfStatement +| Declaration + +export type Declaration = +| FunctionDeclaration +| VariableDeclaration +| ClassDeclaration + +export type Expression = +| Identifier +| Literal +| ThisExpression +| ArrayExpression +| ObjectExpression +| FunctionExpression +| UnaryExpression +| UpdateExpression +| BinaryExpression +| AssignmentExpression +| LogicalExpression +| MemberExpression +| ConditionalExpression +| CallExpression +| NewExpression +| SequenceExpression +| ArrowFunctionExpression +| YieldExpression +| TemplateLiteral +| TaggedTemplateExpression +| ClassExpression +| MetaProperty +| AwaitExpression +| ChainExpression +| ImportExpression +| ParenthesizedExpression + +export type Pattern = +| Identifier +| MemberExpression +| ObjectPattern +| ArrayPattern +| RestElement +| AssignmentPattern + +export type ModuleDeclaration = +| ImportDeclaration +| ExportNamedDeclaration +| ExportDefaultDeclaration +| ExportAllDeclaration + +/** + * This interface is only used for defining {@link AnyNode}. + * It exists so that it can be extended by plugins: + * + * @example + * ```typescript + * declare module 'acorn' { + * interface NodeTypes { + * pluginName: FirstNode | SecondNode | ThirdNode | ... | LastNode + * } + * } + * ``` + */ +interface NodeTypes { + core: Statement | Expression | Declaration | ModuleDeclaration | Literal | Program | SwitchCase | CatchClause | Property | Super | SpreadElement | TemplateElement | AssignmentProperty | ObjectPattern | ArrayPattern | RestElement | AssignmentPattern | ClassBody | MethodDefinition | MetaProperty | ImportAttribute | ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier | AnonymousFunctionDeclaration | AnonymousClassDeclaration | PropertyDefinition | PrivateIdentifier | StaticBlock | VariableDeclarator +} + +export type AnyNode = NodeTypes[keyof NodeTypes] + +export function parse(input: string, options: Options): Program + +export function parseExpressionAt(input: string, pos: number, options: Options): Expression + +export function tokenizer(input: string, options: Options): { + getToken(): Token + [Symbol.iterator](): Iterator +} + +export type ecmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | "latest" + +export interface Options { + /** + * `ecmaVersion` indicates the ECMAScript version to parse. Can be a + * number, either in year (`2022`) or plain version number (`6`) form, + * or `"latest"` (the latest the library supports). This influences + * support for strict mode, the set of reserved words, and support for + * new syntax features. + */ + ecmaVersion: ecmaVersion + + /** + * `sourceType` indicates the mode the code should be parsed in. + * Can be either `"script"` or `"module"`. This influences global + * strict mode and parsing of `import` and `export` declarations. + */ + sourceType?: "script" | "module" + + /** + * a callback that will be called when a semicolon is automatically inserted. + * @param lastTokEnd the position of the comma as an offset + * @param lastTokEndLoc location if {@link locations} is enabled + */ + onInsertedSemicolon?: (lastTokEnd: number, lastTokEndLoc?: Position) => void + + /** + * similar to `onInsertedSemicolon`, but for trailing commas + * @param lastTokEnd the position of the comma as an offset + * @param lastTokEndLoc location if `locations` is enabled + */ + onTrailingComma?: (lastTokEnd: number, lastTokEndLoc?: Position) => void + + /** + * By default, reserved words are only enforced if ecmaVersion >= 5. + * Set `allowReserved` to a boolean value to explicitly turn this on + * an off. When this option has the value "never", reserved words + * and keywords can also not be used as property names. + */ + allowReserved?: boolean | "never" + + /** + * When enabled, a return at the top level is not considered an error. + */ + allowReturnOutsideFunction?: boolean + + /** + * When enabled, import/export statements are not constrained to + * appearing at the top of the program, and an import.meta expression + * in a script isn't considered an error. + */ + allowImportExportEverywhere?: boolean + + /** + * By default, `await` identifiers are allowed to appear at the top-level scope only if {@link ecmaVersion} >= 2022. + * When enabled, await identifiers are allowed to appear at the top-level scope, + * but they are still not allowed in non-async functions. + */ + allowAwaitOutsideFunction?: boolean + + /** + * When enabled, super identifiers are not constrained to + * appearing in methods and do not raise an error when they appear elsewhere. + */ + allowSuperOutsideMethod?: boolean + + /** + * When enabled, hashbang directive in the beginning of file is + * allowed and treated as a line comment. Enabled by default when + * {@link ecmaVersion} >= 2023. + */ + allowHashBang?: boolean + + /** + * By default, the parser will verify that private properties are + * only used in places where they are valid and have been declared. + * Set this to false to turn such checks off. + */ + checkPrivateFields?: boolean + + /** + * When `locations` is on, `loc` properties holding objects with + * `start` and `end` properties as {@link Position} objects will be attached to the + * nodes. + */ + locations?: boolean + + /** + * a callback that will cause Acorn to call that export function with object in the same + * format as tokens returned from `tokenizer().getToken()`. Note + * that you are not allowed to call the parser from the + * callback—that will corrupt its internal state. + */ + onToken?: ((token: Token) => void) | Token[] + + + /** + * This takes a export function or an array. + * + * When a export function is passed, Acorn will call that export function with `(block, text, start, + * end)` parameters whenever a comment is skipped. `block` is a + * boolean indicating whether this is a block (`/* *\/`) comment, + * `text` is the content of the comment, and `start` and `end` are + * character offsets that denote the start and end of the comment. + * When the {@link locations} option is on, two more parameters are + * passed, the full locations of {@link Position} export type of the start and + * end of the comments. + * + * When a array is passed, each found comment of {@link Comment} export type is pushed to the array. + * + * Note that you are not allowed to call the + * parser from the callback—that will corrupt its internal state. + */ + onComment?: (( + isBlock: boolean, text: string, start: number, end: number, startLoc?: Position, + endLoc?: Position + ) => void) | Comment[] + + /** + * Nodes have their start and end characters offsets recorded in + * `start` and `end` properties (directly on the node, rather than + * the `loc` object, which holds line/column data. To also add a + * [semi-standardized][range] `range` property holding a `[start, + * end]` array with the same numbers, set the `ranges` option to + * `true`. + */ + ranges?: boolean + + /** + * It is possible to parse multiple files into a single AST by + * passing the tree produced by parsing the first file as + * `program` option in subsequent parses. This will add the + * toplevel forms of the parsed file to the `Program` (top) node + * of an existing parse tree. + */ + program?: Node + + /** + * When {@link locations} is on, you can pass this to record the source + * file in every node's `loc` object. + */ + sourceFile?: string + + /** + * This value, if given, is stored in every node, whether {@link locations} is on or off. + */ + directSourceFile?: string + + /** + * When enabled, parenthesized expressions are represented by + * (non-standard) ParenthesizedExpression nodes + */ + preserveParens?: boolean +} + +export class Parser { + options: Options + input: string + + protected constructor(options: Options, input: string, startPos?: number) + parse(): Program + + static parse(input: string, options: Options): Program + static parseExpressionAt(input: string, pos: number, options: Options): Expression + static tokenizer(input: string, options: Options): { + getToken(): Token + [Symbol.iterator](): Iterator + } + static extend(...plugins: ((BaseParser: typeof Parser) => typeof Parser)[]): typeof Parser +} + +export const defaultOptions: Options + +export function getLineInfo(input: string, offset: number): Position + +export class TokenType { + label: string + keyword: string | undefined +} + +export const tokTypes: { + num: TokenType + regexp: TokenType + string: TokenType + name: TokenType + privateId: TokenType + eof: TokenType + + bracketL: TokenType + bracketR: TokenType + braceL: TokenType + braceR: TokenType + parenL: TokenType + parenR: TokenType + comma: TokenType + semi: TokenType + colon: TokenType + dot: TokenType + question: TokenType + questionDot: TokenType + arrow: TokenType + template: TokenType + invalidTemplate: TokenType + ellipsis: TokenType + backQuote: TokenType + dollarBraceL: TokenType + + eq: TokenType + assign: TokenType + incDec: TokenType + prefix: TokenType + logicalOR: TokenType + logicalAND: TokenType + bitwiseOR: TokenType + bitwiseXOR: TokenType + bitwiseAND: TokenType + equality: TokenType + relational: TokenType + bitShift: TokenType + plusMin: TokenType + modulo: TokenType + star: TokenType + slash: TokenType + starstar: TokenType + coalesce: TokenType + + _break: TokenType + _case: TokenType + _catch: TokenType + _continue: TokenType + _debugger: TokenType + _default: TokenType + _do: TokenType + _else: TokenType + _finally: TokenType + _for: TokenType + _function: TokenType + _if: TokenType + _return: TokenType + _switch: TokenType + _throw: TokenType + _try: TokenType + _var: TokenType + _const: TokenType + _while: TokenType + _with: TokenType + _new: TokenType + _this: TokenType + _super: TokenType + _class: TokenType + _extends: TokenType + _export: TokenType + _import: TokenType + _null: TokenType + _true: TokenType + _false: TokenType + _in: TokenType + _instanceof: TokenType + _typeof: TokenType + _void: TokenType + _delete: TokenType +} + +export interface Comment { + type: "Line" | "Block" + value: string + start: number + end: number + loc?: SourceLocation + range?: [number, number] +} + +export class Token { + type: TokenType + start: number + end: number + loc?: SourceLocation + range?: [number, number] +} + +export const version: string diff --git a/module/node_modules/acorn/dist/acorn.js b/module/node_modules/acorn/dist/acorn.js new file mode 100644 index 000000000..cb5628bf8 --- /dev/null +++ b/module/node_modules/acorn/dist/acorn.js @@ -0,0 +1,6262 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.acorn = {})); +})(this, (function (exports) { 'use strict'; + + // This file was generated. Do not modify manually! + var astralIdentifierCodes = [509, 0, 227, 0, 150, 4, 294, 9, 1368, 2, 2, 1, 6, 3, 41, 2, 5, 0, 166, 1, 574, 3, 9, 9, 7, 9, 32, 4, 318, 1, 80, 3, 71, 10, 50, 3, 123, 2, 54, 14, 32, 10, 3, 1, 11, 3, 46, 10, 8, 0, 46, 9, 7, 2, 37, 13, 2, 9, 6, 1, 45, 0, 13, 2, 49, 13, 9, 3, 2, 11, 83, 11, 7, 0, 3, 0, 158, 11, 6, 9, 7, 3, 56, 1, 2, 6, 3, 1, 3, 2, 10, 0, 11, 1, 3, 6, 4, 4, 68, 8, 2, 0, 3, 0, 2, 3, 2, 4, 2, 0, 15, 1, 83, 17, 10, 9, 5, 0, 82, 19, 13, 9, 214, 6, 3, 8, 28, 1, 83, 16, 16, 9, 82, 12, 9, 9, 7, 19, 58, 14, 5, 9, 243, 14, 166, 9, 71, 5, 2, 1, 3, 3, 2, 0, 2, 1, 13, 9, 120, 6, 3, 6, 4, 0, 29, 9, 41, 6, 2, 3, 9, 0, 10, 10, 47, 15, 343, 9, 54, 7, 2, 7, 17, 9, 57, 21, 2, 13, 123, 5, 4, 0, 2, 1, 2, 6, 2, 0, 9, 9, 49, 4, 2, 1, 2, 4, 9, 9, 330, 3, 10, 1, 2, 0, 49, 6, 4, 4, 14, 10, 5350, 0, 7, 14, 11465, 27, 2343, 9, 87, 9, 39, 4, 60, 6, 26, 9, 535, 9, 470, 0, 2, 54, 8, 3, 82, 0, 12, 1, 19628, 1, 4178, 9, 519, 45, 3, 22, 543, 4, 4, 5, 9, 7, 3, 6, 31, 3, 149, 2, 1418, 49, 513, 54, 5, 49, 9, 0, 15, 0, 23, 4, 2, 14, 1361, 6, 2, 16, 3, 6, 2, 1, 2, 4, 101, 0, 161, 6, 10, 9, 357, 0, 62, 13, 499, 13, 245, 1, 2, 9, 726, 6, 110, 6, 6, 9, 4759, 9, 787719, 239]; + + // This file was generated. Do not modify manually! + var astralIdentifierStartCodes = [0, 11, 2, 25, 2, 18, 2, 1, 2, 14, 3, 13, 35, 122, 70, 52, 268, 28, 4, 48, 48, 31, 14, 29, 6, 37, 11, 29, 3, 35, 5, 7, 2, 4, 43, 157, 19, 35, 5, 35, 5, 39, 9, 51, 13, 10, 2, 14, 2, 6, 2, 1, 2, 10, 2, 14, 2, 6, 2, 1, 4, 51, 13, 310, 10, 21, 11, 7, 25, 5, 2, 41, 2, 8, 70, 5, 3, 0, 2, 43, 2, 1, 4, 0, 3, 22, 11, 22, 10, 30, 66, 18, 2, 1, 11, 21, 11, 25, 71, 55, 7, 1, 65, 0, 16, 3, 2, 2, 2, 28, 43, 28, 4, 28, 36, 7, 2, 27, 28, 53, 11, 21, 11, 18, 14, 17, 111, 72, 56, 50, 14, 50, 14, 35, 39, 27, 10, 22, 251, 41, 7, 1, 17, 2, 60, 28, 11, 0, 9, 21, 43, 17, 47, 20, 28, 22, 13, 52, 58, 1, 3, 0, 14, 44, 33, 24, 27, 35, 30, 0, 3, 0, 9, 34, 4, 0, 13, 47, 15, 3, 22, 0, 2, 0, 36, 17, 2, 24, 20, 1, 64, 6, 2, 0, 2, 3, 2, 14, 2, 9, 8, 46, 39, 7, 3, 1, 3, 21, 2, 6, 2, 1, 2, 4, 4, 0, 19, 0, 13, 4, 31, 9, 2, 0, 3, 0, 2, 37, 2, 0, 26, 0, 2, 0, 45, 52, 19, 3, 21, 2, 31, 47, 21, 1, 2, 0, 185, 46, 42, 3, 37, 47, 21, 0, 60, 42, 14, 0, 72, 26, 38, 6, 186, 43, 117, 63, 32, 7, 3, 0, 3, 7, 2, 1, 2, 23, 16, 0, 2, 0, 95, 7, 3, 38, 17, 0, 2, 0, 29, 0, 11, 39, 8, 0, 22, 0, 12, 45, 20, 0, 19, 72, 200, 32, 32, 8, 2, 36, 18, 0, 50, 29, 113, 6, 2, 1, 2, 37, 22, 0, 26, 5, 2, 1, 2, 31, 15, 0, 328, 18, 16, 0, 2, 12, 2, 33, 125, 0, 80, 921, 103, 110, 18, 195, 2637, 96, 16, 1071, 18, 5, 26, 3994, 6, 582, 6842, 29, 1763, 568, 8, 30, 18, 78, 18, 29, 19, 47, 17, 3, 32, 20, 6, 18, 433, 44, 212, 63, 129, 74, 6, 0, 67, 12, 65, 1, 2, 0, 29, 6135, 9, 1237, 42, 9, 8936, 3, 2, 6, 2, 1, 2, 290, 16, 0, 30, 2, 3, 0, 15, 3, 9, 395, 2309, 106, 6, 12, 4, 8, 8, 9, 5991, 84, 2, 70, 2, 1, 3, 0, 3, 1, 3, 3, 2, 11, 2, 0, 2, 6, 2, 64, 2, 3, 3, 7, 2, 6, 2, 27, 2, 3, 2, 4, 2, 0, 4, 6, 2, 339, 3, 24, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 7, 1845, 30, 7, 5, 262, 61, 147, 44, 11, 6, 17, 0, 322, 29, 19, 43, 485, 27, 229, 29, 3, 0, 496, 6, 2, 3, 2, 1, 2, 14, 2, 196, 60, 67, 8, 0, 1205, 3, 2, 26, 2, 1, 2, 0, 3, 0, 2, 9, 2, 3, 2, 0, 2, 0, 7, 0, 5, 0, 2, 0, 2, 0, 2, 2, 2, 1, 2, 0, 3, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 3, 3, 2, 6, 2, 3, 2, 3, 2, 0, 2, 9, 2, 16, 6, 2, 2, 4, 2, 16, 4421, 42719, 33, 4153, 7, 221, 3, 5761, 15, 7472, 16, 621, 2467, 541, 1507, 4938, 6, 4191]; + + // This file was generated. Do not modify manually! + var nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u0897-\u089f\u08ca-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b55-\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c04\u0c3c\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0cf3\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d81-\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ece\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1715\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u180f-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1abf-\u1ace\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4\u1cf7-\u1cf9\u1dc0-\u1dff\u200c\u200d\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\u30fb\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua82c\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f\uff65"; + + // This file was generated. Do not modify manually! + var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u0870-\u0887\u0889-\u088e\u08a0-\u08c9\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c5d\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cdd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u1711\u171f-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4c\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c8a\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31bf\u31f0-\u31ff\u3400-\u4dbf\u4e00-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7cd\ua7d0\ua7d1\ua7d3\ua7d5-\ua7dc\ua7f2-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab69\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc"; + + // These are a run-length and offset encoded representation of the + // >0xffff code points that are a valid part of identifiers. The + // offset starts at 0x10000, and each pair of numbers represents an + // offset to the next range, and then a size of the range. + + // Reserved word lists for various dialects of the language + + var reservedWords = { + 3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile", + 5: "class enum extends super const export import", + 6: "enum", + strict: "implements interface let package private protected public static yield", + strictBind: "eval arguments" + }; + + // And the keywords + + var ecma5AndLessKeywords = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this"; + + var keywords$1 = { + 5: ecma5AndLessKeywords, + "5module": ecma5AndLessKeywords + " export import", + 6: ecma5AndLessKeywords + " const class extends export import super" + }; + + var keywordRelationalOperator = /^in(stanceof)?$/; + + // ## Character categories + + var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]"); + var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]"); + + // This has a complexity linear to the value of the code. The + // assumption is that looking up astral identifier characters is + // rare. + function isInAstralSet(code, set) { + var pos = 0x10000; + for (var i = 0; i < set.length; i += 2) { + pos += set[i]; + if (pos > code) { return false } + pos += set[i + 1]; + if (pos >= code) { return true } + } + return false + } + + // Test whether a given character code starts an identifier. + + function isIdentifierStart(code, astral) { + if (code < 65) { return code === 36 } + if (code < 91) { return true } + if (code < 97) { return code === 95 } + if (code < 123) { return true } + if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)) } + if (astral === false) { return false } + return isInAstralSet(code, astralIdentifierStartCodes) + } + + // Test whether a given character is part of an identifier. + + function isIdentifierChar(code, astral) { + if (code < 48) { return code === 36 } + if (code < 58) { return true } + if (code < 65) { return false } + if (code < 91) { return true } + if (code < 97) { return code === 95 } + if (code < 123) { return true } + if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)) } + if (astral === false) { return false } + return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes) + } + + // ## Token types + + // The assignment of fine-grained, information-carrying type objects + // allows the tokenizer to store the information it has about a + // token in a way that is very cheap for the parser to look up. + + // All token type variables start with an underscore, to make them + // easy to recognize. + + // The `beforeExpr` property is used to disambiguate between regular + // expressions and divisions. It is set on all token types that can + // be followed by an expression (thus, a slash after them would be a + // regular expression). + // + // The `startsExpr` property is used to check if the token ends a + // `yield` expression. It is set on all token types that either can + // directly start an expression (like a quotation mark) or can + // continue an expression (like the body of a string). + // + // `isLoop` marks a keyword as starting a loop, which is important + // to know when parsing a label, in order to allow or disallow + // continue jumps to that label. + + var TokenType = function TokenType(label, conf) { + if ( conf === void 0 ) conf = {}; + + this.label = label; + this.keyword = conf.keyword; + this.beforeExpr = !!conf.beforeExpr; + this.startsExpr = !!conf.startsExpr; + this.isLoop = !!conf.isLoop; + this.isAssign = !!conf.isAssign; + this.prefix = !!conf.prefix; + this.postfix = !!conf.postfix; + this.binop = conf.binop || null; + this.updateContext = null; + }; + + function binop(name, prec) { + return new TokenType(name, {beforeExpr: true, binop: prec}) + } + var beforeExpr = {beforeExpr: true}, startsExpr = {startsExpr: true}; + + // Map keyword names to token types. + + var keywords = {}; + + // Succinct definitions of keyword token types + function kw(name, options) { + if ( options === void 0 ) options = {}; + + options.keyword = name; + return keywords[name] = new TokenType(name, options) + } + + var types$1 = { + num: new TokenType("num", startsExpr), + regexp: new TokenType("regexp", startsExpr), + string: new TokenType("string", startsExpr), + name: new TokenType("name", startsExpr), + privateId: new TokenType("privateId", startsExpr), + eof: new TokenType("eof"), + + // Punctuation token types. + bracketL: new TokenType("[", {beforeExpr: true, startsExpr: true}), + bracketR: new TokenType("]"), + braceL: new TokenType("{", {beforeExpr: true, startsExpr: true}), + braceR: new TokenType("}"), + parenL: new TokenType("(", {beforeExpr: true, startsExpr: true}), + parenR: new TokenType(")"), + comma: new TokenType(",", beforeExpr), + semi: new TokenType(";", beforeExpr), + colon: new TokenType(":", beforeExpr), + dot: new TokenType("."), + question: new TokenType("?", beforeExpr), + questionDot: new TokenType("?."), + arrow: new TokenType("=>", beforeExpr), + template: new TokenType("template"), + invalidTemplate: new TokenType("invalidTemplate"), + ellipsis: new TokenType("...", beforeExpr), + backQuote: new TokenType("`", startsExpr), + dollarBraceL: new TokenType("${", {beforeExpr: true, startsExpr: true}), + + // Operators. These carry several kinds of properties to help the + // parser use them properly (the presence of these properties is + // what categorizes them as operators). + // + // `binop`, when present, specifies that this operator is a binary + // operator, and will refer to its precedence. + // + // `prefix` and `postfix` mark the operator as a prefix or postfix + // unary operator. + // + // `isAssign` marks all of `=`, `+=`, `-=` etcetera, which act as + // binary operators with a very low precedence, that should result + // in AssignmentExpression nodes. + + eq: new TokenType("=", {beforeExpr: true, isAssign: true}), + assign: new TokenType("_=", {beforeExpr: true, isAssign: true}), + incDec: new TokenType("++/--", {prefix: true, postfix: true, startsExpr: true}), + prefix: new TokenType("!/~", {beforeExpr: true, prefix: true, startsExpr: true}), + logicalOR: binop("||", 1), + logicalAND: binop("&&", 2), + bitwiseOR: binop("|", 3), + bitwiseXOR: binop("^", 4), + bitwiseAND: binop("&", 5), + equality: binop("==/!=/===/!==", 6), + relational: binop("/<=/>=", 7), + bitShift: binop("<>/>>>", 8), + plusMin: new TokenType("+/-", {beforeExpr: true, binop: 9, prefix: true, startsExpr: true}), + modulo: binop("%", 10), + star: binop("*", 10), + slash: binop("/", 10), + starstar: new TokenType("**", {beforeExpr: true}), + coalesce: binop("??", 1), + + // Keyword token types. + _break: kw("break"), + _case: kw("case", beforeExpr), + _catch: kw("catch"), + _continue: kw("continue"), + _debugger: kw("debugger"), + _default: kw("default", beforeExpr), + _do: kw("do", {isLoop: true, beforeExpr: true}), + _else: kw("else", beforeExpr), + _finally: kw("finally"), + _for: kw("for", {isLoop: true}), + _function: kw("function", startsExpr), + _if: kw("if"), + _return: kw("return", beforeExpr), + _switch: kw("switch"), + _throw: kw("throw", beforeExpr), + _try: kw("try"), + _var: kw("var"), + _const: kw("const"), + _while: kw("while", {isLoop: true}), + _with: kw("with"), + _new: kw("new", {beforeExpr: true, startsExpr: true}), + _this: kw("this", startsExpr), + _super: kw("super", startsExpr), + _class: kw("class", startsExpr), + _extends: kw("extends", beforeExpr), + _export: kw("export"), + _import: kw("import", startsExpr), + _null: kw("null", startsExpr), + _true: kw("true", startsExpr), + _false: kw("false", startsExpr), + _in: kw("in", {beforeExpr: true, binop: 7}), + _instanceof: kw("instanceof", {beforeExpr: true, binop: 7}), + _typeof: kw("typeof", {beforeExpr: true, prefix: true, startsExpr: true}), + _void: kw("void", {beforeExpr: true, prefix: true, startsExpr: true}), + _delete: kw("delete", {beforeExpr: true, prefix: true, startsExpr: true}) + }; + + // Matches a whole line break (where CRLF is considered a single + // line break). Used to count lines. + + var lineBreak = /\r\n?|\n|\u2028|\u2029/; + var lineBreakG = new RegExp(lineBreak.source, "g"); + + function isNewLine(code) { + return code === 10 || code === 13 || code === 0x2028 || code === 0x2029 + } + + function nextLineBreak(code, from, end) { + if ( end === void 0 ) end = code.length; + + for (var i = from; i < end; i++) { + var next = code.charCodeAt(i); + if (isNewLine(next)) + { return i < end - 1 && next === 13 && code.charCodeAt(i + 1) === 10 ? i + 2 : i + 1 } + } + return -1 + } + + var nonASCIIwhitespace = /[\u1680\u2000-\u200a\u202f\u205f\u3000\ufeff]/; + + var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g; + + var ref = Object.prototype; + var hasOwnProperty = ref.hasOwnProperty; + var toString = ref.toString; + + var hasOwn = Object.hasOwn || (function (obj, propName) { return ( + hasOwnProperty.call(obj, propName) + ); }); + + var isArray = Array.isArray || (function (obj) { return ( + toString.call(obj) === "[object Array]" + ); }); + + var regexpCache = Object.create(null); + + function wordsRegexp(words) { + return regexpCache[words] || (regexpCache[words] = new RegExp("^(?:" + words.replace(/ /g, "|") + ")$")) + } + + function codePointToString(code) { + // UTF-16 Decoding + if (code <= 0xFFFF) { return String.fromCharCode(code) } + code -= 0x10000; + return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00) + } + + var loneSurrogate = /(?:[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/; + + // These are used when `options.locations` is on, for the + // `startLoc` and `endLoc` properties. + + var Position = function Position(line, col) { + this.line = line; + this.column = col; + }; + + Position.prototype.offset = function offset (n) { + return new Position(this.line, this.column + n) + }; + + var SourceLocation = function SourceLocation(p, start, end) { + this.start = start; + this.end = end; + if (p.sourceFile !== null) { this.source = p.sourceFile; } + }; + + // The `getLineInfo` function is mostly useful when the + // `locations` option is off (for performance reasons) and you + // want to find the line/column position for a given character + // offset. `input` should be the code string that the offset refers + // into. + + function getLineInfo(input, offset) { + for (var line = 1, cur = 0;;) { + var nextBreak = nextLineBreak(input, cur, offset); + if (nextBreak < 0) { return new Position(line, offset - cur) } + ++line; + cur = nextBreak; + } + } + + // A second argument must be given to configure the parser process. + // These options are recognized (only `ecmaVersion` is required): + + var defaultOptions = { + // `ecmaVersion` indicates the ECMAScript version to parse. Must be + // either 3, 5, 6 (or 2015), 7 (2016), 8 (2017), 9 (2018), 10 + // (2019), 11 (2020), 12 (2021), 13 (2022), 14 (2023), or `"latest"` + // (the latest version the library supports). This influences + // support for strict mode, the set of reserved words, and support + // for new syntax features. + ecmaVersion: null, + // `sourceType` indicates the mode the code should be parsed in. + // Can be either `"script"` or `"module"`. This influences global + // strict mode and parsing of `import` and `export` declarations. + sourceType: "script", + // `onInsertedSemicolon` can be a callback that will be called when + // a semicolon is automatically inserted. It will be passed the + // position of the inserted semicolon as an offset, and if + // `locations` is enabled, it is given the location as a `{line, + // column}` object as second argument. + onInsertedSemicolon: null, + // `onTrailingComma` is similar to `onInsertedSemicolon`, but for + // trailing commas. + onTrailingComma: null, + // By default, reserved words are only enforced if ecmaVersion >= 5. + // Set `allowReserved` to a boolean value to explicitly turn this on + // an off. When this option has the value "never", reserved words + // and keywords can also not be used as property names. + allowReserved: null, + // When enabled, a return at the top level is not considered an + // error. + allowReturnOutsideFunction: false, + // When enabled, import/export statements are not constrained to + // appearing at the top of the program, and an import.meta expression + // in a script isn't considered an error. + allowImportExportEverywhere: false, + // By default, await identifiers are allowed to appear at the top-level scope only if ecmaVersion >= 2022. + // When enabled, await identifiers are allowed to appear at the top-level scope, + // but they are still not allowed in non-async functions. + allowAwaitOutsideFunction: null, + // When enabled, super identifiers are not constrained to + // appearing in methods and do not raise an error when they appear elsewhere. + allowSuperOutsideMethod: null, + // When enabled, hashbang directive in the beginning of file is + // allowed and treated as a line comment. Enabled by default when + // `ecmaVersion` >= 2023. + allowHashBang: false, + // By default, the parser will verify that private properties are + // only used in places where they are valid and have been declared. + // Set this to false to turn such checks off. + checkPrivateFields: true, + // When `locations` is on, `loc` properties holding objects with + // `start` and `end` properties in `{line, column}` form (with + // line being 1-based and column 0-based) will be attached to the + // nodes. + locations: false, + // A function can be passed as `onToken` option, which will + // cause Acorn to call that function with object in the same + // format as tokens returned from `tokenizer().getToken()`. Note + // that you are not allowed to call the parser from the + // callback—that will corrupt its internal state. + onToken: null, + // A function can be passed as `onComment` option, which will + // cause Acorn to call that function with `(block, text, start, + // end)` parameters whenever a comment is skipped. `block` is a + // boolean indicating whether this is a block (`/* */`) comment, + // `text` is the content of the comment, and `start` and `end` are + // character offsets that denote the start and end of the comment. + // When the `locations` option is on, two more parameters are + // passed, the full `{line, column}` locations of the start and + // end of the comments. Note that you are not allowed to call the + // parser from the callback—that will corrupt its internal state. + // When this option has an array as value, objects representing the + // comments are pushed to it. + onComment: null, + // Nodes have their start and end characters offsets recorded in + // `start` and `end` properties (directly on the node, rather than + // the `loc` object, which holds line/column data. To also add a + // [semi-standardized][range] `range` property holding a `[start, + // end]` array with the same numbers, set the `ranges` option to + // `true`. + // + // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678 + ranges: false, + // It is possible to parse multiple files into a single AST by + // passing the tree produced by parsing the first file as + // `program` option in subsequent parses. This will add the + // toplevel forms of the parsed file to the `Program` (top) node + // of an existing parse tree. + program: null, + // When `locations` is on, you can pass this to record the source + // file in every node's `loc` object. + sourceFile: null, + // This value, if given, is stored in every node, whether + // `locations` is on or off. + directSourceFile: null, + // When enabled, parenthesized expressions are represented by + // (non-standard) ParenthesizedExpression nodes + preserveParens: false + }; + + // Interpret and default an options object + + var warnedAboutEcmaVersion = false; + + function getOptions(opts) { + var options = {}; + + for (var opt in defaultOptions) + { options[opt] = opts && hasOwn(opts, opt) ? opts[opt] : defaultOptions[opt]; } + + if (options.ecmaVersion === "latest") { + options.ecmaVersion = 1e8; + } else if (options.ecmaVersion == null) { + if (!warnedAboutEcmaVersion && typeof console === "object" && console.warn) { + warnedAboutEcmaVersion = true; + console.warn("Since Acorn 8.0.0, options.ecmaVersion is required.\nDefaulting to 2020, but this will stop working in the future."); + } + options.ecmaVersion = 11; + } else if (options.ecmaVersion >= 2015) { + options.ecmaVersion -= 2009; + } + + if (options.allowReserved == null) + { options.allowReserved = options.ecmaVersion < 5; } + + if (!opts || opts.allowHashBang == null) + { options.allowHashBang = options.ecmaVersion >= 14; } + + if (isArray(options.onToken)) { + var tokens = options.onToken; + options.onToken = function (token) { return tokens.push(token); }; + } + if (isArray(options.onComment)) + { options.onComment = pushComment(options, options.onComment); } + + return options + } + + function pushComment(options, array) { + return function(block, text, start, end, startLoc, endLoc) { + var comment = { + type: block ? "Block" : "Line", + value: text, + start: start, + end: end + }; + if (options.locations) + { comment.loc = new SourceLocation(this, startLoc, endLoc); } + if (options.ranges) + { comment.range = [start, end]; } + array.push(comment); + } + } + + // Each scope gets a bitset that may contain these flags + var + SCOPE_TOP = 1, + SCOPE_FUNCTION = 2, + SCOPE_ASYNC = 4, + SCOPE_GENERATOR = 8, + SCOPE_ARROW = 16, + SCOPE_SIMPLE_CATCH = 32, + SCOPE_SUPER = 64, + SCOPE_DIRECT_SUPER = 128, + SCOPE_CLASS_STATIC_BLOCK = 256, + SCOPE_CLASS_FIELD_INIT = 512, + SCOPE_VAR = SCOPE_TOP | SCOPE_FUNCTION | SCOPE_CLASS_STATIC_BLOCK; + + function functionFlags(async, generator) { + return SCOPE_FUNCTION | (async ? SCOPE_ASYNC : 0) | (generator ? SCOPE_GENERATOR : 0) + } + + // Used in checkLVal* and declareName to determine the type of a binding + var + BIND_NONE = 0, // Not a binding + BIND_VAR = 1, // Var-style binding + BIND_LEXICAL = 2, // Let- or const-style binding + BIND_FUNCTION = 3, // Function declaration + BIND_SIMPLE_CATCH = 4, // Simple (identifier pattern) catch binding + BIND_OUTSIDE = 5; // Special case for function names as bound inside the function + + var Parser = function Parser(options, input, startPos) { + this.options = options = getOptions(options); + this.sourceFile = options.sourceFile; + this.keywords = wordsRegexp(keywords$1[options.ecmaVersion >= 6 ? 6 : options.sourceType === "module" ? "5module" : 5]); + var reserved = ""; + if (options.allowReserved !== true) { + reserved = reservedWords[options.ecmaVersion >= 6 ? 6 : options.ecmaVersion === 5 ? 5 : 3]; + if (options.sourceType === "module") { reserved += " await"; } + } + this.reservedWords = wordsRegexp(reserved); + var reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict; + this.reservedWordsStrict = wordsRegexp(reservedStrict); + this.reservedWordsStrictBind = wordsRegexp(reservedStrict + " " + reservedWords.strictBind); + this.input = String(input); + + // Used to signal to callers of `readWord1` whether the word + // contained any escape sequences. This is needed because words with + // escape sequences must not be interpreted as keywords. + this.containsEsc = false; + + // Set up token state + + // The current position of the tokenizer in the input. + if (startPos) { + this.pos = startPos; + this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1; + this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length; + } else { + this.pos = this.lineStart = 0; + this.curLine = 1; + } + + // Properties of the current token: + // Its type + this.type = types$1.eof; + // For tokens that include more information than their type, the value + this.value = null; + // Its start and end offset + this.start = this.end = this.pos; + // And, if locations are used, the {line, column} object + // corresponding to those offsets + this.startLoc = this.endLoc = this.curPosition(); + + // Position information for the previous token + this.lastTokEndLoc = this.lastTokStartLoc = null; + this.lastTokStart = this.lastTokEnd = this.pos; + + // The context stack is used to superficially track syntactic + // context to predict whether a regular expression is allowed in a + // given position. + this.context = this.initialContext(); + this.exprAllowed = true; + + // Figure out if it's a module code. + this.inModule = options.sourceType === "module"; + this.strict = this.inModule || this.strictDirective(this.pos); + + // Used to signify the start of a potential arrow function + this.potentialArrowAt = -1; + this.potentialArrowInForAwait = false; + + // Positions to delayed-check that yield/await does not exist in default parameters. + this.yieldPos = this.awaitPos = this.awaitIdentPos = 0; + // Labels in scope. + this.labels = []; + // Thus-far undefined exports. + this.undefinedExports = Object.create(null); + + // If enabled, skip leading hashbang line. + if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!") + { this.skipLineComment(2); } + + // Scope tracking for duplicate variable names (see scope.js) + this.scopeStack = []; + this.enterScope(SCOPE_TOP); + + // For RegExp validation + this.regexpState = null; + + // The stack of private names. + // Each element has two properties: 'declared' and 'used'. + // When it exited from the outermost class definition, all used private names must be declared. + this.privateNameStack = []; + }; + + var prototypeAccessors = { inFunction: { configurable: true },inGenerator: { configurable: true },inAsync: { configurable: true },canAwait: { configurable: true },allowSuper: { configurable: true },allowDirectSuper: { configurable: true },treatFunctionsAsVar: { configurable: true },allowNewDotTarget: { configurable: true },inClassStaticBlock: { configurable: true } }; + + Parser.prototype.parse = function parse () { + var node = this.options.program || this.startNode(); + this.nextToken(); + return this.parseTopLevel(node) + }; + + prototypeAccessors.inFunction.get = function () { return (this.currentVarScope().flags & SCOPE_FUNCTION) > 0 }; + + prototypeAccessors.inGenerator.get = function () { return (this.currentVarScope().flags & SCOPE_GENERATOR) > 0 }; + + prototypeAccessors.inAsync.get = function () { return (this.currentVarScope().flags & SCOPE_ASYNC) > 0 }; + + prototypeAccessors.canAwait.get = function () { + for (var i = this.scopeStack.length - 1; i >= 0; i--) { + var ref = this.scopeStack[i]; + var flags = ref.flags; + if (flags & (SCOPE_CLASS_STATIC_BLOCK | SCOPE_CLASS_FIELD_INIT)) { return false } + if (flags & SCOPE_FUNCTION) { return (flags & SCOPE_ASYNC) > 0 } + } + return (this.inModule && this.options.ecmaVersion >= 13) || this.options.allowAwaitOutsideFunction + }; + + prototypeAccessors.allowSuper.get = function () { + var ref = this.currentThisScope(); + var flags = ref.flags; + return (flags & SCOPE_SUPER) > 0 || this.options.allowSuperOutsideMethod + }; + + prototypeAccessors.allowDirectSuper.get = function () { return (this.currentThisScope().flags & SCOPE_DIRECT_SUPER) > 0 }; + + prototypeAccessors.treatFunctionsAsVar.get = function () { return this.treatFunctionsAsVarInScope(this.currentScope()) }; + + prototypeAccessors.allowNewDotTarget.get = function () { + for (var i = this.scopeStack.length - 1; i >= 0; i--) { + var ref = this.scopeStack[i]; + var flags = ref.flags; + if (flags & (SCOPE_CLASS_STATIC_BLOCK | SCOPE_CLASS_FIELD_INIT) || + ((flags & SCOPE_FUNCTION) && !(flags & SCOPE_ARROW))) { return true } + } + return false + }; + + prototypeAccessors.inClassStaticBlock.get = function () { + return (this.currentVarScope().flags & SCOPE_CLASS_STATIC_BLOCK) > 0 + }; + + Parser.extend = function extend () { + var plugins = [], len = arguments.length; + while ( len-- ) plugins[ len ] = arguments[ len ]; + + var cls = this; + for (var i = 0; i < plugins.length; i++) { cls = plugins[i](cls); } + return cls + }; + + Parser.parse = function parse (input, options) { + return new this(options, input).parse() + }; + + Parser.parseExpressionAt = function parseExpressionAt (input, pos, options) { + var parser = new this(options, input, pos); + parser.nextToken(); + return parser.parseExpression() + }; + + Parser.tokenizer = function tokenizer (input, options) { + return new this(options, input) + }; + + Object.defineProperties( Parser.prototype, prototypeAccessors ); + + var pp$9 = Parser.prototype; + + // ## Parser utilities + + var literal = /^(?:'((?:\\[^]|[^'\\])*?)'|"((?:\\[^]|[^"\\])*?)")/; + pp$9.strictDirective = function(start) { + if (this.options.ecmaVersion < 5) { return false } + for (;;) { + // Try to find string literal. + skipWhiteSpace.lastIndex = start; + start += skipWhiteSpace.exec(this.input)[0].length; + var match = literal.exec(this.input.slice(start)); + if (!match) { return false } + if ((match[1] || match[2]) === "use strict") { + skipWhiteSpace.lastIndex = start + match[0].length; + var spaceAfter = skipWhiteSpace.exec(this.input), end = spaceAfter.index + spaceAfter[0].length; + var next = this.input.charAt(end); + return next === ";" || next === "}" || + (lineBreak.test(spaceAfter[0]) && + !(/[(`.[+\-/*%<>=,?^&]/.test(next) || next === "!" && this.input.charAt(end + 1) === "=")) + } + start += match[0].length; + + // Skip semicolon, if any. + skipWhiteSpace.lastIndex = start; + start += skipWhiteSpace.exec(this.input)[0].length; + if (this.input[start] === ";") + { start++; } + } + }; + + // Predicate that tests whether the next token is of the given + // type, and if yes, consumes it as a side effect. + + pp$9.eat = function(type) { + if (this.type === type) { + this.next(); + return true + } else { + return false + } + }; + + // Tests whether parsed token is a contextual keyword. + + pp$9.isContextual = function(name) { + return this.type === types$1.name && this.value === name && !this.containsEsc + }; + + // Consumes contextual keyword if possible. + + pp$9.eatContextual = function(name) { + if (!this.isContextual(name)) { return false } + this.next(); + return true + }; + + // Asserts that following token is given contextual keyword. + + pp$9.expectContextual = function(name) { + if (!this.eatContextual(name)) { this.unexpected(); } + }; + + // Test whether a semicolon can be inserted at the current position. + + pp$9.canInsertSemicolon = function() { + return this.type === types$1.eof || + this.type === types$1.braceR || + lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) + }; + + pp$9.insertSemicolon = function() { + if (this.canInsertSemicolon()) { + if (this.options.onInsertedSemicolon) + { this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc); } + return true + } + }; + + // Consume a semicolon, or, failing that, see if we are allowed to + // pretend that there is a semicolon at this position. + + pp$9.semicolon = function() { + if (!this.eat(types$1.semi) && !this.insertSemicolon()) { this.unexpected(); } + }; + + pp$9.afterTrailingComma = function(tokType, notNext) { + if (this.type === tokType) { + if (this.options.onTrailingComma) + { this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc); } + if (!notNext) + { this.next(); } + return true + } + }; + + // Expect a token of a given type. If found, consume it, otherwise, + // raise an unexpected token error. + + pp$9.expect = function(type) { + this.eat(type) || this.unexpected(); + }; + + // Raise an unexpected token error. + + pp$9.unexpected = function(pos) { + this.raise(pos != null ? pos : this.start, "Unexpected token"); + }; + + var DestructuringErrors = function DestructuringErrors() { + this.shorthandAssign = + this.trailingComma = + this.parenthesizedAssign = + this.parenthesizedBind = + this.doubleProto = + -1; + }; + + pp$9.checkPatternErrors = function(refDestructuringErrors, isAssign) { + if (!refDestructuringErrors) { return } + if (refDestructuringErrors.trailingComma > -1) + { this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element"); } + var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind; + if (parens > -1) { this.raiseRecoverable(parens, isAssign ? "Assigning to rvalue" : "Parenthesized pattern"); } + }; + + pp$9.checkExpressionErrors = function(refDestructuringErrors, andThrow) { + if (!refDestructuringErrors) { return false } + var shorthandAssign = refDestructuringErrors.shorthandAssign; + var doubleProto = refDestructuringErrors.doubleProto; + if (!andThrow) { return shorthandAssign >= 0 || doubleProto >= 0 } + if (shorthandAssign >= 0) + { this.raise(shorthandAssign, "Shorthand property assignments are valid only in destructuring patterns"); } + if (doubleProto >= 0) + { this.raiseRecoverable(doubleProto, "Redefinition of __proto__ property"); } + }; + + pp$9.checkYieldAwaitInDefaultParams = function() { + if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos)) + { this.raise(this.yieldPos, "Yield expression cannot be a default value"); } + if (this.awaitPos) + { this.raise(this.awaitPos, "Await expression cannot be a default value"); } + }; + + pp$9.isSimpleAssignTarget = function(expr) { + if (expr.type === "ParenthesizedExpression") + { return this.isSimpleAssignTarget(expr.expression) } + return expr.type === "Identifier" || expr.type === "MemberExpression" + }; + + var pp$8 = Parser.prototype; + + // ### Statement parsing + + // Parse a program. Initializes the parser, reads any number of + // statements, and wraps them in a Program node. Optionally takes a + // `program` argument. If present, the statements will be appended + // to its body instead of creating a new node. + + pp$8.parseTopLevel = function(node) { + var exports = Object.create(null); + if (!node.body) { node.body = []; } + while (this.type !== types$1.eof) { + var stmt = this.parseStatement(null, true, exports); + node.body.push(stmt); + } + if (this.inModule) + { for (var i = 0, list = Object.keys(this.undefinedExports); i < list.length; i += 1) + { + var name = list[i]; + + this.raiseRecoverable(this.undefinedExports[name].start, ("Export '" + name + "' is not defined")); + } } + this.adaptDirectivePrologue(node.body); + this.next(); + node.sourceType = this.options.sourceType; + return this.finishNode(node, "Program") + }; + + var loopLabel = {kind: "loop"}, switchLabel = {kind: "switch"}; + + pp$8.isLet = function(context) { + if (this.options.ecmaVersion < 6 || !this.isContextual("let")) { return false } + skipWhiteSpace.lastIndex = this.pos; + var skip = skipWhiteSpace.exec(this.input); + var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); + // For ambiguous cases, determine if a LexicalDeclaration (or only a + // Statement) is allowed here. If context is not empty then only a Statement + // is allowed. However, `let [` is an explicit negative lookahead for + // ExpressionStatement, so special-case it first. + if (nextCh === 91 || nextCh === 92) { return true } // '[', '\' + if (context) { return false } + + if (nextCh === 123 || nextCh > 0xd7ff && nextCh < 0xdc00) { return true } // '{', astral + if (isIdentifierStart(nextCh, true)) { + var pos = next + 1; + while (isIdentifierChar(nextCh = this.input.charCodeAt(pos), true)) { ++pos; } + if (nextCh === 92 || nextCh > 0xd7ff && nextCh < 0xdc00) { return true } + var ident = this.input.slice(next, pos); + if (!keywordRelationalOperator.test(ident)) { return true } + } + return false + }; + + // check 'async [no LineTerminator here] function' + // - 'async /*foo*/ function' is OK. + // - 'async /*\n*/ function' is invalid. + pp$8.isAsyncFunction = function() { + if (this.options.ecmaVersion < 8 || !this.isContextual("async")) + { return false } + + skipWhiteSpace.lastIndex = this.pos; + var skip = skipWhiteSpace.exec(this.input); + var next = this.pos + skip[0].length, after; + return !lineBreak.test(this.input.slice(this.pos, next)) && + this.input.slice(next, next + 8) === "function" && + (next + 8 === this.input.length || + !(isIdentifierChar(after = this.input.charCodeAt(next + 8)) || after > 0xd7ff && after < 0xdc00)) + }; + + pp$8.isUsingKeyword = function(isAwaitUsing, isFor) { + if (this.options.ecmaVersion < 17 || !this.isContextual(isAwaitUsing ? "await" : "using")) + { return false } + + skipWhiteSpace.lastIndex = this.pos; + var skip = skipWhiteSpace.exec(this.input); + var next = this.pos + skip[0].length; + + if (lineBreak.test(this.input.slice(this.pos, next))) { return false } + + if (isAwaitUsing) { + var awaitEndPos = next + 5 /* await */, after; + if (this.input.slice(next, awaitEndPos) !== "using" || + awaitEndPos === this.input.length || + isIdentifierChar(after = this.input.charCodeAt(awaitEndPos)) || + (after > 0xd7ff && after < 0xdc00) + ) { return false } + + skipWhiteSpace.lastIndex = awaitEndPos; + var skipAfterUsing = skipWhiteSpace.exec(this.input); + if (skipAfterUsing && lineBreak.test(this.input.slice(awaitEndPos, awaitEndPos + skipAfterUsing[0].length))) { return false } + } + + if (isFor) { + var ofEndPos = next + 2 /* of */, after$1; + if (this.input.slice(next, ofEndPos) === "of") { + if (ofEndPos === this.input.length || + (!isIdentifierChar(after$1 = this.input.charCodeAt(ofEndPos)) && !(after$1 > 0xd7ff && after$1 < 0xdc00))) { return false } + } + } + + var ch = this.input.charCodeAt(next); + return isIdentifierStart(ch, true) || ch === 92 // '\' + }; + + pp$8.isAwaitUsing = function(isFor) { + return this.isUsingKeyword(true, isFor) + }; + + pp$8.isUsing = function(isFor) { + return this.isUsingKeyword(false, isFor) + }; + + // Parse a single statement. + // + // If expecting a statement and finding a slash operator, parse a + // regular expression literal. This is to handle cases like + // `if (foo) /blah/.exec(foo)`, where looking at the previous token + // does not help. + + pp$8.parseStatement = function(context, topLevel, exports) { + var starttype = this.type, node = this.startNode(), kind; + + if (this.isLet(context)) { + starttype = types$1._var; + kind = "let"; + } + + // Most types of statements are recognized by the keyword they + // start with. Many are trivial to parse, some require a bit of + // complexity. + + switch (starttype) { + case types$1._break: case types$1._continue: return this.parseBreakContinueStatement(node, starttype.keyword) + case types$1._debugger: return this.parseDebuggerStatement(node) + case types$1._do: return this.parseDoStatement(node) + case types$1._for: return this.parseForStatement(node) + case types$1._function: + // Function as sole body of either an if statement or a labeled statement + // works, but not when it is part of a labeled statement that is the sole + // body of an if statement. + if ((context && (this.strict || context !== "if" && context !== "label")) && this.options.ecmaVersion >= 6) { this.unexpected(); } + return this.parseFunctionStatement(node, false, !context) + case types$1._class: + if (context) { this.unexpected(); } + return this.parseClass(node, true) + case types$1._if: return this.parseIfStatement(node) + case types$1._return: return this.parseReturnStatement(node) + case types$1._switch: return this.parseSwitchStatement(node) + case types$1._throw: return this.parseThrowStatement(node) + case types$1._try: return this.parseTryStatement(node) + case types$1._const: case types$1._var: + kind = kind || this.value; + if (context && kind !== "var") { this.unexpected(); } + return this.parseVarStatement(node, kind) + case types$1._while: return this.parseWhileStatement(node) + case types$1._with: return this.parseWithStatement(node) + case types$1.braceL: return this.parseBlock(true, node) + case types$1.semi: return this.parseEmptyStatement(node) + case types$1._export: + case types$1._import: + if (this.options.ecmaVersion > 10 && starttype === types$1._import) { + skipWhiteSpace.lastIndex = this.pos; + var skip = skipWhiteSpace.exec(this.input); + var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); + if (nextCh === 40 || nextCh === 46) // '(' or '.' + { return this.parseExpressionStatement(node, this.parseExpression()) } + } + + if (!this.options.allowImportExportEverywhere) { + if (!topLevel) + { this.raise(this.start, "'import' and 'export' may only appear at the top level"); } + if (!this.inModule) + { this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'"); } + } + return starttype === types$1._import ? this.parseImport(node) : this.parseExport(node, exports) + + // If the statement does not start with a statement keyword or a + // brace, it's an ExpressionStatement or LabeledStatement. We + // simply start parsing an expression, and afterwards, if the + // next token is a colon and the expression was a simple + // Identifier node, we switch to interpreting it as a label. + default: + if (this.isAsyncFunction()) { + if (context) { this.unexpected(); } + this.next(); + return this.parseFunctionStatement(node, true, !context) + } + + var usingKind = this.isAwaitUsing(false) ? "await using" : this.isUsing(false) ? "using" : null; + if (usingKind) { + if (topLevel && this.options.sourceType === "script") { + this.raise(this.start, "Using declaration cannot appear in the top level when source type is `script`"); + } + if (usingKind === "await using") { + if (!this.canAwait) { + this.raise(this.start, "Await using cannot appear outside of async function"); + } + this.next(); + } + this.next(); + this.parseVar(node, false, usingKind); + this.semicolon(); + return this.finishNode(node, "VariableDeclaration") + } + + var maybeName = this.value, expr = this.parseExpression(); + if (starttype === types$1.name && expr.type === "Identifier" && this.eat(types$1.colon)) + { return this.parseLabeledStatement(node, maybeName, expr, context) } + else { return this.parseExpressionStatement(node, expr) } + } + }; + + pp$8.parseBreakContinueStatement = function(node, keyword) { + var isBreak = keyword === "break"; + this.next(); + if (this.eat(types$1.semi) || this.insertSemicolon()) { node.label = null; } + else if (this.type !== types$1.name) { this.unexpected(); } + else { + node.label = this.parseIdent(); + this.semicolon(); + } + + // Verify that there is an actual destination to break or + // continue to. + var i = 0; + for (; i < this.labels.length; ++i) { + var lab = this.labels[i]; + if (node.label == null || lab.name === node.label.name) { + if (lab.kind != null && (isBreak || lab.kind === "loop")) { break } + if (node.label && isBreak) { break } + } + } + if (i === this.labels.length) { this.raise(node.start, "Unsyntactic " + keyword); } + return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement") + }; + + pp$8.parseDebuggerStatement = function(node) { + this.next(); + this.semicolon(); + return this.finishNode(node, "DebuggerStatement") + }; + + pp$8.parseDoStatement = function(node) { + this.next(); + this.labels.push(loopLabel); + node.body = this.parseStatement("do"); + this.labels.pop(); + this.expect(types$1._while); + node.test = this.parseParenExpression(); + if (this.options.ecmaVersion >= 6) + { this.eat(types$1.semi); } + else + { this.semicolon(); } + return this.finishNode(node, "DoWhileStatement") + }; + + // Disambiguating between a `for` and a `for`/`in` or `for`/`of` + // loop is non-trivial. Basically, we have to parse the init `var` + // statement or expression, disallowing the `in` operator (see + // the second parameter to `parseExpression`), and then check + // whether the next token is `in` or `of`. When there is no init + // part (semicolon immediately after the opening parenthesis), it + // is a regular `for` loop. + + pp$8.parseForStatement = function(node) { + this.next(); + var awaitAt = (this.options.ecmaVersion >= 9 && this.canAwait && this.eatContextual("await")) ? this.lastTokStart : -1; + this.labels.push(loopLabel); + this.enterScope(0); + this.expect(types$1.parenL); + if (this.type === types$1.semi) { + if (awaitAt > -1) { this.unexpected(awaitAt); } + return this.parseFor(node, null) + } + var isLet = this.isLet(); + if (this.type === types$1._var || this.type === types$1._const || isLet) { + var init$1 = this.startNode(), kind = isLet ? "let" : this.value; + this.next(); + this.parseVar(init$1, true, kind); + this.finishNode(init$1, "VariableDeclaration"); + return this.parseForAfterInit(node, init$1, awaitAt) + } + var startsWithLet = this.isContextual("let"), isForOf = false; + + var usingKind = this.isUsing(true) ? "using" : this.isAwaitUsing(true) ? "await using" : null; + if (usingKind) { + var init$2 = this.startNode(); + this.next(); + if (usingKind === "await using") { this.next(); } + this.parseVar(init$2, true, usingKind); + this.finishNode(init$2, "VariableDeclaration"); + return this.parseForAfterInit(node, init$2, awaitAt) + } + var containsEsc = this.containsEsc; + var refDestructuringErrors = new DestructuringErrors; + var initPos = this.start; + var init = awaitAt > -1 + ? this.parseExprSubscripts(refDestructuringErrors, "await") + : this.parseExpression(true, refDestructuringErrors); + if (this.type === types$1._in || (isForOf = this.options.ecmaVersion >= 6 && this.isContextual("of"))) { + if (awaitAt > -1) { // implies `ecmaVersion >= 9` (see declaration of awaitAt) + if (this.type === types$1._in) { this.unexpected(awaitAt); } + node.await = true; + } else if (isForOf && this.options.ecmaVersion >= 8) { + if (init.start === initPos && !containsEsc && init.type === "Identifier" && init.name === "async") { this.unexpected(); } + else if (this.options.ecmaVersion >= 9) { node.await = false; } + } + if (startsWithLet && isForOf) { this.raise(init.start, "The left-hand side of a for-of loop may not start with 'let'."); } + this.toAssignable(init, false, refDestructuringErrors); + this.checkLValPattern(init); + return this.parseForIn(node, init) + } else { + this.checkExpressionErrors(refDestructuringErrors, true); + } + if (awaitAt > -1) { this.unexpected(awaitAt); } + return this.parseFor(node, init) + }; + + // Helper method to parse for loop after variable initialization + pp$8.parseForAfterInit = function(node, init, awaitAt) { + if ((this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init.declarations.length === 1) { + if (this.options.ecmaVersion >= 9) { + if (this.type === types$1._in) { + if (awaitAt > -1) { this.unexpected(awaitAt); } + } else { node.await = awaitAt > -1; } + } + return this.parseForIn(node, init) + } + if (awaitAt > -1) { this.unexpected(awaitAt); } + return this.parseFor(node, init) + }; + + pp$8.parseFunctionStatement = function(node, isAsync, declarationPosition) { + this.next(); + return this.parseFunction(node, FUNC_STATEMENT | (declarationPosition ? 0 : FUNC_HANGING_STATEMENT), false, isAsync) + }; + + pp$8.parseIfStatement = function(node) { + this.next(); + node.test = this.parseParenExpression(); + // allow function declarations in branches, but only in non-strict mode + node.consequent = this.parseStatement("if"); + node.alternate = this.eat(types$1._else) ? this.parseStatement("if") : null; + return this.finishNode(node, "IfStatement") + }; + + pp$8.parseReturnStatement = function(node) { + if (!this.inFunction && !this.options.allowReturnOutsideFunction) + { this.raise(this.start, "'return' outside of function"); } + this.next(); + + // In `return` (and `break`/`continue`), the keywords with + // optional arguments, we eagerly look for a semicolon or the + // possibility to insert one. + + if (this.eat(types$1.semi) || this.insertSemicolon()) { node.argument = null; } + else { node.argument = this.parseExpression(); this.semicolon(); } + return this.finishNode(node, "ReturnStatement") + }; + + pp$8.parseSwitchStatement = function(node) { + this.next(); + node.discriminant = this.parseParenExpression(); + node.cases = []; + this.expect(types$1.braceL); + this.labels.push(switchLabel); + this.enterScope(0); + + // Statements under must be grouped (by label) in SwitchCase + // nodes. `cur` is used to keep the node that we are currently + // adding statements to. + + var cur; + for (var sawDefault = false; this.type !== types$1.braceR;) { + if (this.type === types$1._case || this.type === types$1._default) { + var isCase = this.type === types$1._case; + if (cur) { this.finishNode(cur, "SwitchCase"); } + node.cases.push(cur = this.startNode()); + cur.consequent = []; + this.next(); + if (isCase) { + cur.test = this.parseExpression(); + } else { + if (sawDefault) { this.raiseRecoverable(this.lastTokStart, "Multiple default clauses"); } + sawDefault = true; + cur.test = null; + } + this.expect(types$1.colon); + } else { + if (!cur) { this.unexpected(); } + cur.consequent.push(this.parseStatement(null)); + } + } + this.exitScope(); + if (cur) { this.finishNode(cur, "SwitchCase"); } + this.next(); // Closing brace + this.labels.pop(); + return this.finishNode(node, "SwitchStatement") + }; + + pp$8.parseThrowStatement = function(node) { + this.next(); + if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) + { this.raise(this.lastTokEnd, "Illegal newline after throw"); } + node.argument = this.parseExpression(); + this.semicolon(); + return this.finishNode(node, "ThrowStatement") + }; + + // Reused empty array added for node fields that are always empty. + + var empty$1 = []; + + pp$8.parseCatchClauseParam = function() { + var param = this.parseBindingAtom(); + var simple = param.type === "Identifier"; + this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); + this.checkLValPattern(param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); + this.expect(types$1.parenR); + + return param + }; + + pp$8.parseTryStatement = function(node) { + this.next(); + node.block = this.parseBlock(); + node.handler = null; + if (this.type === types$1._catch) { + var clause = this.startNode(); + this.next(); + if (this.eat(types$1.parenL)) { + clause.param = this.parseCatchClauseParam(); + } else { + if (this.options.ecmaVersion < 10) { this.unexpected(); } + clause.param = null; + this.enterScope(0); + } + clause.body = this.parseBlock(false); + this.exitScope(); + node.handler = this.finishNode(clause, "CatchClause"); + } + node.finalizer = this.eat(types$1._finally) ? this.parseBlock() : null; + if (!node.handler && !node.finalizer) + { this.raise(node.start, "Missing catch or finally clause"); } + return this.finishNode(node, "TryStatement") + }; + + pp$8.parseVarStatement = function(node, kind, allowMissingInitializer) { + this.next(); + this.parseVar(node, false, kind, allowMissingInitializer); + this.semicolon(); + return this.finishNode(node, "VariableDeclaration") + }; + + pp$8.parseWhileStatement = function(node) { + this.next(); + node.test = this.parseParenExpression(); + this.labels.push(loopLabel); + node.body = this.parseStatement("while"); + this.labels.pop(); + return this.finishNode(node, "WhileStatement") + }; + + pp$8.parseWithStatement = function(node) { + if (this.strict) { this.raise(this.start, "'with' in strict mode"); } + this.next(); + node.object = this.parseParenExpression(); + node.body = this.parseStatement("with"); + return this.finishNode(node, "WithStatement") + }; + + pp$8.parseEmptyStatement = function(node) { + this.next(); + return this.finishNode(node, "EmptyStatement") + }; + + pp$8.parseLabeledStatement = function(node, maybeName, expr, context) { + for (var i$1 = 0, list = this.labels; i$1 < list.length; i$1 += 1) + { + var label = list[i$1]; + + if (label.name === maybeName) + { this.raise(expr.start, "Label '" + maybeName + "' is already declared"); + } } + var kind = this.type.isLoop ? "loop" : this.type === types$1._switch ? "switch" : null; + for (var i = this.labels.length - 1; i >= 0; i--) { + var label$1 = this.labels[i]; + if (label$1.statementStart === node.start) { + // Update information about previous labels on this node + label$1.statementStart = this.start; + label$1.kind = kind; + } else { break } + } + this.labels.push({name: maybeName, kind: kind, statementStart: this.start}); + node.body = this.parseStatement(context ? context.indexOf("label") === -1 ? context + "label" : context : "label"); + this.labels.pop(); + node.label = expr; + return this.finishNode(node, "LabeledStatement") + }; + + pp$8.parseExpressionStatement = function(node, expr) { + node.expression = expr; + this.semicolon(); + return this.finishNode(node, "ExpressionStatement") + }; + + // Parse a semicolon-enclosed block of statements, handling `"use + // strict"` declarations when `allowStrict` is true (used for + // function bodies). + + pp$8.parseBlock = function(createNewLexicalScope, node, exitStrict) { + if ( createNewLexicalScope === void 0 ) createNewLexicalScope = true; + if ( node === void 0 ) node = this.startNode(); + + node.body = []; + this.expect(types$1.braceL); + if (createNewLexicalScope) { this.enterScope(0); } + while (this.type !== types$1.braceR) { + var stmt = this.parseStatement(null); + node.body.push(stmt); + } + if (exitStrict) { this.strict = false; } + this.next(); + if (createNewLexicalScope) { this.exitScope(); } + return this.finishNode(node, "BlockStatement") + }; + + // Parse a regular `for` loop. The disambiguation code in + // `parseStatement` will already have parsed the init statement or + // expression. + + pp$8.parseFor = function(node, init) { + node.init = init; + this.expect(types$1.semi); + node.test = this.type === types$1.semi ? null : this.parseExpression(); + this.expect(types$1.semi); + node.update = this.type === types$1.parenR ? null : this.parseExpression(); + this.expect(types$1.parenR); + node.body = this.parseStatement("for"); + this.exitScope(); + this.labels.pop(); + return this.finishNode(node, "ForStatement") + }; + + // Parse a `for`/`in` and `for`/`of` loop, which are almost + // same from parser's perspective. + + pp$8.parseForIn = function(node, init) { + var isForIn = this.type === types$1._in; + this.next(); + + if ( + init.type === "VariableDeclaration" && + init.declarations[0].init != null && + ( + !isForIn || + this.options.ecmaVersion < 8 || + this.strict || + init.kind !== "var" || + init.declarations[0].id.type !== "Identifier" + ) + ) { + this.raise( + init.start, + ((isForIn ? "for-in" : "for-of") + " loop variable declaration may not have an initializer") + ); + } + node.left = init; + node.right = isForIn ? this.parseExpression() : this.parseMaybeAssign(); + this.expect(types$1.parenR); + node.body = this.parseStatement("for"); + this.exitScope(); + this.labels.pop(); + return this.finishNode(node, isForIn ? "ForInStatement" : "ForOfStatement") + }; + + // Parse a list of variable declarations. + + pp$8.parseVar = function(node, isFor, kind, allowMissingInitializer) { + node.declarations = []; + node.kind = kind; + for (;;) { + var decl = this.startNode(); + this.parseVarId(decl, kind); + if (this.eat(types$1.eq)) { + decl.init = this.parseMaybeAssign(isFor); + } else if (!allowMissingInitializer && kind === "const" && !(this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { + this.unexpected(); + } else if (!allowMissingInitializer && (kind === "using" || kind === "await using") && this.options.ecmaVersion >= 17 && this.type !== types$1._in && !this.isContextual("of")) { + this.raise(this.lastTokEnd, ("Missing initializer in " + kind + " declaration")); + } else if (!allowMissingInitializer && decl.id.type !== "Identifier" && !(isFor && (this.type === types$1._in || this.isContextual("of")))) { + this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value"); + } else { + decl.init = null; + } + node.declarations.push(this.finishNode(decl, "VariableDeclarator")); + if (!this.eat(types$1.comma)) { break } + } + return node + }; + + pp$8.parseVarId = function(decl, kind) { + decl.id = kind === "using" || kind === "await using" + ? this.parseIdent() + : this.parseBindingAtom(); + + this.checkLValPattern(decl.id, kind === "var" ? BIND_VAR : BIND_LEXICAL, false); + }; + + var FUNC_STATEMENT = 1, FUNC_HANGING_STATEMENT = 2, FUNC_NULLABLE_ID = 4; + + // Parse a function declaration or literal (depending on the + // `statement & FUNC_STATEMENT`). + + // Remove `allowExpressionBody` for 7.0.0, as it is only called with false + pp$8.parseFunction = function(node, statement, allowExpressionBody, isAsync, forInit) { + this.initFunction(node); + if (this.options.ecmaVersion >= 9 || this.options.ecmaVersion >= 6 && !isAsync) { + if (this.type === types$1.star && (statement & FUNC_HANGING_STATEMENT)) + { this.unexpected(); } + node.generator = this.eat(types$1.star); + } + if (this.options.ecmaVersion >= 8) + { node.async = !!isAsync; } + + if (statement & FUNC_STATEMENT) { + node.id = (statement & FUNC_NULLABLE_ID) && this.type !== types$1.name ? null : this.parseIdent(); + if (node.id && !(statement & FUNC_HANGING_STATEMENT)) + // If it is a regular function declaration in sloppy mode, then it is + // subject to Annex B semantics (BIND_FUNCTION). Otherwise, the binding + // mode depends on properties of the current scope (see + // treatFunctionsAsVar). + { this.checkLValSimple(node.id, (this.strict || node.generator || node.async) ? this.treatFunctionsAsVar ? BIND_VAR : BIND_LEXICAL : BIND_FUNCTION); } + } + + var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + this.enterScope(functionFlags(node.async, node.generator)); + + if (!(statement & FUNC_STATEMENT)) + { node.id = this.type === types$1.name ? this.parseIdent() : null; } + + this.parseFunctionParams(node); + this.parseFunctionBody(node, allowExpressionBody, false, forInit); + + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.finishNode(node, (statement & FUNC_STATEMENT) ? "FunctionDeclaration" : "FunctionExpression") + }; + + pp$8.parseFunctionParams = function(node) { + this.expect(types$1.parenL); + node.params = this.parseBindingList(types$1.parenR, false, this.options.ecmaVersion >= 8); + this.checkYieldAwaitInDefaultParams(); + }; + + // Parse a class declaration or literal (depending on the + // `isStatement` parameter). + + pp$8.parseClass = function(node, isStatement) { + this.next(); + + // ecma-262 14.6 Class Definitions + // A class definition is always strict mode code. + var oldStrict = this.strict; + this.strict = true; + + this.parseClassId(node, isStatement); + this.parseClassSuper(node); + var privateNameMap = this.enterClassBody(); + var classBody = this.startNode(); + var hadConstructor = false; + classBody.body = []; + this.expect(types$1.braceL); + while (this.type !== types$1.braceR) { + var element = this.parseClassElement(node.superClass !== null); + if (element) { + classBody.body.push(element); + if (element.type === "MethodDefinition" && element.kind === "constructor") { + if (hadConstructor) { this.raiseRecoverable(element.start, "Duplicate constructor in the same class"); } + hadConstructor = true; + } else if (element.key && element.key.type === "PrivateIdentifier" && isPrivateNameConflicted(privateNameMap, element)) { + this.raiseRecoverable(element.key.start, ("Identifier '#" + (element.key.name) + "' has already been declared")); + } + } + } + this.strict = oldStrict; + this.next(); + node.body = this.finishNode(classBody, "ClassBody"); + this.exitClassBody(); + return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression") + }; + + pp$8.parseClassElement = function(constructorAllowsSuper) { + if (this.eat(types$1.semi)) { return null } + + var ecmaVersion = this.options.ecmaVersion; + var node = this.startNode(); + var keyName = ""; + var isGenerator = false; + var isAsync = false; + var kind = "method"; + var isStatic = false; + + if (this.eatContextual("static")) { + // Parse static init block + if (ecmaVersion >= 13 && this.eat(types$1.braceL)) { + this.parseClassStaticBlock(node); + return node + } + if (this.isClassElementNameStart() || this.type === types$1.star) { + isStatic = true; + } else { + keyName = "static"; + } + } + node.static = isStatic; + if (!keyName && ecmaVersion >= 8 && this.eatContextual("async")) { + if ((this.isClassElementNameStart() || this.type === types$1.star) && !this.canInsertSemicolon()) { + isAsync = true; + } else { + keyName = "async"; + } + } + if (!keyName && (ecmaVersion >= 9 || !isAsync) && this.eat(types$1.star)) { + isGenerator = true; + } + if (!keyName && !isAsync && !isGenerator) { + var lastValue = this.value; + if (this.eatContextual("get") || this.eatContextual("set")) { + if (this.isClassElementNameStart()) { + kind = lastValue; + } else { + keyName = lastValue; + } + } + } + + // Parse element name + if (keyName) { + // 'async', 'get', 'set', or 'static' were not a keyword contextually. + // The last token is any of those. Make it the element name. + node.computed = false; + node.key = this.startNodeAt(this.lastTokStart, this.lastTokStartLoc); + node.key.name = keyName; + this.finishNode(node.key, "Identifier"); + } else { + this.parseClassElementName(node); + } + + // Parse element value + if (ecmaVersion < 13 || this.type === types$1.parenL || kind !== "method" || isGenerator || isAsync) { + var isConstructor = !node.static && checkKeyName(node, "constructor"); + var allowsDirectSuper = isConstructor && constructorAllowsSuper; + // Couldn't move this check into the 'parseClassMethod' method for backward compatibility. + if (isConstructor && kind !== "method") { this.raise(node.key.start, "Constructor can't have get/set modifier"); } + node.kind = isConstructor ? "constructor" : kind; + this.parseClassMethod(node, isGenerator, isAsync, allowsDirectSuper); + } else { + this.parseClassField(node); + } + + return node + }; + + pp$8.isClassElementNameStart = function() { + return ( + this.type === types$1.name || + this.type === types$1.privateId || + this.type === types$1.num || + this.type === types$1.string || + this.type === types$1.bracketL || + this.type.keyword + ) + }; + + pp$8.parseClassElementName = function(element) { + if (this.type === types$1.privateId) { + if (this.value === "constructor") { + this.raise(this.start, "Classes can't have an element named '#constructor'"); + } + element.computed = false; + element.key = this.parsePrivateIdent(); + } else { + this.parsePropertyName(element); + } + }; + + pp$8.parseClassMethod = function(method, isGenerator, isAsync, allowsDirectSuper) { + // Check key and flags + var key = method.key; + if (method.kind === "constructor") { + if (isGenerator) { this.raise(key.start, "Constructor can't be a generator"); } + if (isAsync) { this.raise(key.start, "Constructor can't be an async method"); } + } else if (method.static && checkKeyName(method, "prototype")) { + this.raise(key.start, "Classes may not have a static property named prototype"); + } + + // Parse value + var value = method.value = this.parseMethod(isGenerator, isAsync, allowsDirectSuper); + + // Check value + if (method.kind === "get" && value.params.length !== 0) + { this.raiseRecoverable(value.start, "getter should have no params"); } + if (method.kind === "set" && value.params.length !== 1) + { this.raiseRecoverable(value.start, "setter should have exactly one param"); } + if (method.kind === "set" && value.params[0].type === "RestElement") + { this.raiseRecoverable(value.params[0].start, "Setter cannot use rest params"); } + + return this.finishNode(method, "MethodDefinition") + }; + + pp$8.parseClassField = function(field) { + if (checkKeyName(field, "constructor")) { + this.raise(field.key.start, "Classes can't have a field named 'constructor'"); + } else if (field.static && checkKeyName(field, "prototype")) { + this.raise(field.key.start, "Classes can't have a static field named 'prototype'"); + } + + if (this.eat(types$1.eq)) { + // To raise SyntaxError if 'arguments' exists in the initializer. + this.enterScope(SCOPE_CLASS_FIELD_INIT | SCOPE_SUPER); + field.value = this.parseMaybeAssign(); + this.exitScope(); + } else { + field.value = null; + } + this.semicolon(); + + return this.finishNode(field, "PropertyDefinition") + }; + + pp$8.parseClassStaticBlock = function(node) { + node.body = []; + + var oldLabels = this.labels; + this.labels = []; + this.enterScope(SCOPE_CLASS_STATIC_BLOCK | SCOPE_SUPER); + while (this.type !== types$1.braceR) { + var stmt = this.parseStatement(null); + node.body.push(stmt); + } + this.next(); + this.exitScope(); + this.labels = oldLabels; + + return this.finishNode(node, "StaticBlock") + }; + + pp$8.parseClassId = function(node, isStatement) { + if (this.type === types$1.name) { + node.id = this.parseIdent(); + if (isStatement) + { this.checkLValSimple(node.id, BIND_LEXICAL, false); } + } else { + if (isStatement === true) + { this.unexpected(); } + node.id = null; + } + }; + + pp$8.parseClassSuper = function(node) { + node.superClass = this.eat(types$1._extends) ? this.parseExprSubscripts(null, false) : null; + }; + + pp$8.enterClassBody = function() { + var element = {declared: Object.create(null), used: []}; + this.privateNameStack.push(element); + return element.declared + }; + + pp$8.exitClassBody = function() { + var ref = this.privateNameStack.pop(); + var declared = ref.declared; + var used = ref.used; + if (!this.options.checkPrivateFields) { return } + var len = this.privateNameStack.length; + var parent = len === 0 ? null : this.privateNameStack[len - 1]; + for (var i = 0; i < used.length; ++i) { + var id = used[i]; + if (!hasOwn(declared, id.name)) { + if (parent) { + parent.used.push(id); + } else { + this.raiseRecoverable(id.start, ("Private field '#" + (id.name) + "' must be declared in an enclosing class")); + } + } + } + }; + + function isPrivateNameConflicted(privateNameMap, element) { + var name = element.key.name; + var curr = privateNameMap[name]; + + var next = "true"; + if (element.type === "MethodDefinition" && (element.kind === "get" || element.kind === "set")) { + next = (element.static ? "s" : "i") + element.kind; + } + + // `class { get #a(){}; static set #a(_){} }` is also conflict. + if ( + curr === "iget" && next === "iset" || + curr === "iset" && next === "iget" || + curr === "sget" && next === "sset" || + curr === "sset" && next === "sget" + ) { + privateNameMap[name] = "true"; + return false + } else if (!curr) { + privateNameMap[name] = next; + return false + } else { + return true + } + } + + function checkKeyName(node, name) { + var computed = node.computed; + var key = node.key; + return !computed && ( + key.type === "Identifier" && key.name === name || + key.type === "Literal" && key.value === name + ) + } + + // Parses module export declaration. + + pp$8.parseExportAllDeclaration = function(node, exports) { + if (this.options.ecmaVersion >= 11) { + if (this.eatContextual("as")) { + node.exported = this.parseModuleExportName(); + this.checkExport(exports, node.exported, this.lastTokStart); + } else { + node.exported = null; + } + } + this.expectContextual("from"); + if (this.type !== types$1.string) { this.unexpected(); } + node.source = this.parseExprAtom(); + if (this.options.ecmaVersion >= 16) + { node.attributes = this.parseWithClause(); } + this.semicolon(); + return this.finishNode(node, "ExportAllDeclaration") + }; + + pp$8.parseExport = function(node, exports) { + this.next(); + // export * from '...' + if (this.eat(types$1.star)) { + return this.parseExportAllDeclaration(node, exports) + } + if (this.eat(types$1._default)) { // export default ... + this.checkExport(exports, "default", this.lastTokStart); + node.declaration = this.parseExportDefaultDeclaration(); + return this.finishNode(node, "ExportDefaultDeclaration") + } + // export var|const|let|function|class ... + if (this.shouldParseExportStatement()) { + node.declaration = this.parseExportDeclaration(node); + if (node.declaration.type === "VariableDeclaration") + { this.checkVariableExport(exports, node.declaration.declarations); } + else + { this.checkExport(exports, node.declaration.id, node.declaration.id.start); } + node.specifiers = []; + node.source = null; + if (this.options.ecmaVersion >= 16) + { node.attributes = []; } + } else { // export { x, y as z } [from '...'] + node.declaration = null; + node.specifiers = this.parseExportSpecifiers(exports); + if (this.eatContextual("from")) { + if (this.type !== types$1.string) { this.unexpected(); } + node.source = this.parseExprAtom(); + if (this.options.ecmaVersion >= 16) + { node.attributes = this.parseWithClause(); } + } else { + for (var i = 0, list = node.specifiers; i < list.length; i += 1) { + // check for keywords used as local names + var spec = list[i]; + + this.checkUnreserved(spec.local); + // check if export is defined + this.checkLocalExport(spec.local); + + if (spec.local.type === "Literal") { + this.raise(spec.local.start, "A string literal cannot be used as an exported binding without `from`."); + } + } + + node.source = null; + if (this.options.ecmaVersion >= 16) + { node.attributes = []; } + } + this.semicolon(); + } + return this.finishNode(node, "ExportNamedDeclaration") + }; + + pp$8.parseExportDeclaration = function(node) { + return this.parseStatement(null) + }; + + pp$8.parseExportDefaultDeclaration = function() { + var isAsync; + if (this.type === types$1._function || (isAsync = this.isAsyncFunction())) { + var fNode = this.startNode(); + this.next(); + if (isAsync) { this.next(); } + return this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync) + } else if (this.type === types$1._class) { + var cNode = this.startNode(); + return this.parseClass(cNode, "nullableID") + } else { + var declaration = this.parseMaybeAssign(); + this.semicolon(); + return declaration + } + }; + + pp$8.checkExport = function(exports, name, pos) { + if (!exports) { return } + if (typeof name !== "string") + { name = name.type === "Identifier" ? name.name : name.value; } + if (hasOwn(exports, name)) + { this.raiseRecoverable(pos, "Duplicate export '" + name + "'"); } + exports[name] = true; + }; + + pp$8.checkPatternExport = function(exports, pat) { + var type = pat.type; + if (type === "Identifier") + { this.checkExport(exports, pat, pat.start); } + else if (type === "ObjectPattern") + { for (var i = 0, list = pat.properties; i < list.length; i += 1) + { + var prop = list[i]; + + this.checkPatternExport(exports, prop); + } } + else if (type === "ArrayPattern") + { for (var i$1 = 0, list$1 = pat.elements; i$1 < list$1.length; i$1 += 1) { + var elt = list$1[i$1]; + + if (elt) { this.checkPatternExport(exports, elt); } + } } + else if (type === "Property") + { this.checkPatternExport(exports, pat.value); } + else if (type === "AssignmentPattern") + { this.checkPatternExport(exports, pat.left); } + else if (type === "RestElement") + { this.checkPatternExport(exports, pat.argument); } + }; + + pp$8.checkVariableExport = function(exports, decls) { + if (!exports) { return } + for (var i = 0, list = decls; i < list.length; i += 1) + { + var decl = list[i]; + + this.checkPatternExport(exports, decl.id); + } + }; + + pp$8.shouldParseExportStatement = function() { + return this.type.keyword === "var" || + this.type.keyword === "const" || + this.type.keyword === "class" || + this.type.keyword === "function" || + this.isLet() || + this.isAsyncFunction() + }; + + // Parses a comma-separated list of module exports. + + pp$8.parseExportSpecifier = function(exports) { + var node = this.startNode(); + node.local = this.parseModuleExportName(); + + node.exported = this.eatContextual("as") ? this.parseModuleExportName() : node.local; + this.checkExport( + exports, + node.exported, + node.exported.start + ); + + return this.finishNode(node, "ExportSpecifier") + }; + + pp$8.parseExportSpecifiers = function(exports) { + var nodes = [], first = true; + // export { x, y as z } [from '...'] + this.expect(types$1.braceL); + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.afterTrailingComma(types$1.braceR)) { break } + } else { first = false; } + + nodes.push(this.parseExportSpecifier(exports)); + } + return nodes + }; + + // Parses import declaration. + + pp$8.parseImport = function(node) { + this.next(); + + // import '...' + if (this.type === types$1.string) { + node.specifiers = empty$1; + node.source = this.parseExprAtom(); + } else { + node.specifiers = this.parseImportSpecifiers(); + this.expectContextual("from"); + node.source = this.type === types$1.string ? this.parseExprAtom() : this.unexpected(); + } + if (this.options.ecmaVersion >= 16) + { node.attributes = this.parseWithClause(); } + this.semicolon(); + return this.finishNode(node, "ImportDeclaration") + }; + + // Parses a comma-separated list of module imports. + + pp$8.parseImportSpecifier = function() { + var node = this.startNode(); + node.imported = this.parseModuleExportName(); + + if (this.eatContextual("as")) { + node.local = this.parseIdent(); + } else { + this.checkUnreserved(node.imported); + node.local = node.imported; + } + this.checkLValSimple(node.local, BIND_LEXICAL); + + return this.finishNode(node, "ImportSpecifier") + }; + + pp$8.parseImportDefaultSpecifier = function() { + // import defaultObj, { x, y as z } from '...' + var node = this.startNode(); + node.local = this.parseIdent(); + this.checkLValSimple(node.local, BIND_LEXICAL); + return this.finishNode(node, "ImportDefaultSpecifier") + }; + + pp$8.parseImportNamespaceSpecifier = function() { + var node = this.startNode(); + this.next(); + this.expectContextual("as"); + node.local = this.parseIdent(); + this.checkLValSimple(node.local, BIND_LEXICAL); + return this.finishNode(node, "ImportNamespaceSpecifier") + }; + + pp$8.parseImportSpecifiers = function() { + var nodes = [], first = true; + if (this.type === types$1.name) { + nodes.push(this.parseImportDefaultSpecifier()); + if (!this.eat(types$1.comma)) { return nodes } + } + if (this.type === types$1.star) { + nodes.push(this.parseImportNamespaceSpecifier()); + return nodes + } + this.expect(types$1.braceL); + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.afterTrailingComma(types$1.braceR)) { break } + } else { first = false; } + + nodes.push(this.parseImportSpecifier()); + } + return nodes + }; + + pp$8.parseWithClause = function() { + var nodes = []; + if (!this.eat(types$1._with)) { + return nodes + } + this.expect(types$1.braceL); + var attributeKeys = {}; + var first = true; + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.afterTrailingComma(types$1.braceR)) { break } + } else { first = false; } + + var attr = this.parseImportAttribute(); + var keyName = attr.key.type === "Identifier" ? attr.key.name : attr.key.value; + if (hasOwn(attributeKeys, keyName)) + { this.raiseRecoverable(attr.key.start, "Duplicate attribute key '" + keyName + "'"); } + attributeKeys[keyName] = true; + nodes.push(attr); + } + return nodes + }; + + pp$8.parseImportAttribute = function() { + var node = this.startNode(); + node.key = this.type === types$1.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never"); + this.expect(types$1.colon); + if (this.type !== types$1.string) { + this.unexpected(); + } + node.value = this.parseExprAtom(); + return this.finishNode(node, "ImportAttribute") + }; + + pp$8.parseModuleExportName = function() { + if (this.options.ecmaVersion >= 13 && this.type === types$1.string) { + var stringLiteral = this.parseLiteral(this.value); + if (loneSurrogate.test(stringLiteral.value)) { + this.raise(stringLiteral.start, "An export name cannot include a lone surrogate."); + } + return stringLiteral + } + return this.parseIdent(true) + }; + + // Set `ExpressionStatement#directive` property for directive prologues. + pp$8.adaptDirectivePrologue = function(statements) { + for (var i = 0; i < statements.length && this.isDirectiveCandidate(statements[i]); ++i) { + statements[i].directive = statements[i].expression.raw.slice(1, -1); + } + }; + pp$8.isDirectiveCandidate = function(statement) { + return ( + this.options.ecmaVersion >= 5 && + statement.type === "ExpressionStatement" && + statement.expression.type === "Literal" && + typeof statement.expression.value === "string" && + // Reject parenthesized strings. + (this.input[statement.start] === "\"" || this.input[statement.start] === "'") + ) + }; + + var pp$7 = Parser.prototype; + + // Convert existing expression atom to assignable pattern + // if possible. + + pp$7.toAssignable = function(node, isBinding, refDestructuringErrors) { + if (this.options.ecmaVersion >= 6 && node) { + switch (node.type) { + case "Identifier": + if (this.inAsync && node.name === "await") + { this.raise(node.start, "Cannot use 'await' as identifier inside an async function"); } + break + + case "ObjectPattern": + case "ArrayPattern": + case "AssignmentPattern": + case "RestElement": + break + + case "ObjectExpression": + node.type = "ObjectPattern"; + if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } + for (var i = 0, list = node.properties; i < list.length; i += 1) { + var prop = list[i]; + + this.toAssignable(prop, isBinding); + // Early error: + // AssignmentRestProperty[Yield, Await] : + // `...` DestructuringAssignmentTarget[Yield, Await] + // + // It is a Syntax Error if |DestructuringAssignmentTarget| is an |ArrayLiteral| or an |ObjectLiteral|. + if ( + prop.type === "RestElement" && + (prop.argument.type === "ArrayPattern" || prop.argument.type === "ObjectPattern") + ) { + this.raise(prop.argument.start, "Unexpected token"); + } + } + break + + case "Property": + // AssignmentProperty has type === "Property" + if (node.kind !== "init") { this.raise(node.key.start, "Object pattern can't contain getter or setter"); } + this.toAssignable(node.value, isBinding); + break + + case "ArrayExpression": + node.type = "ArrayPattern"; + if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } + this.toAssignableList(node.elements, isBinding); + break + + case "SpreadElement": + node.type = "RestElement"; + this.toAssignable(node.argument, isBinding); + if (node.argument.type === "AssignmentPattern") + { this.raise(node.argument.start, "Rest elements cannot have a default value"); } + break + + case "AssignmentExpression": + if (node.operator !== "=") { this.raise(node.left.end, "Only '=' operator can be used for specifying default value."); } + node.type = "AssignmentPattern"; + delete node.operator; + this.toAssignable(node.left, isBinding); + break + + case "ParenthesizedExpression": + this.toAssignable(node.expression, isBinding, refDestructuringErrors); + break + + case "ChainExpression": + this.raiseRecoverable(node.start, "Optional chaining cannot appear in left-hand side"); + break + + case "MemberExpression": + if (!isBinding) { break } + + default: + this.raise(node.start, "Assigning to rvalue"); + } + } else if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } + return node + }; + + // Convert list of expression atoms to binding list. + + pp$7.toAssignableList = function(exprList, isBinding) { + var end = exprList.length; + for (var i = 0; i < end; i++) { + var elt = exprList[i]; + if (elt) { this.toAssignable(elt, isBinding); } + } + if (end) { + var last = exprList[end - 1]; + if (this.options.ecmaVersion === 6 && isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier") + { this.unexpected(last.argument.start); } + } + return exprList + }; + + // Parses spread element. + + pp$7.parseSpread = function(refDestructuringErrors) { + var node = this.startNode(); + this.next(); + node.argument = this.parseMaybeAssign(false, refDestructuringErrors); + return this.finishNode(node, "SpreadElement") + }; + + pp$7.parseRestBinding = function() { + var node = this.startNode(); + this.next(); + + // RestElement inside of a function parameter must be an identifier + if (this.options.ecmaVersion === 6 && this.type !== types$1.name) + { this.unexpected(); } + + node.argument = this.parseBindingAtom(); + + return this.finishNode(node, "RestElement") + }; + + // Parses lvalue (assignable) atom. + + pp$7.parseBindingAtom = function() { + if (this.options.ecmaVersion >= 6) { + switch (this.type) { + case types$1.bracketL: + var node = this.startNode(); + this.next(); + node.elements = this.parseBindingList(types$1.bracketR, true, true); + return this.finishNode(node, "ArrayPattern") + + case types$1.braceL: + return this.parseObj(true) + } + } + return this.parseIdent() + }; + + pp$7.parseBindingList = function(close, allowEmpty, allowTrailingComma, allowModifiers) { + var elts = [], first = true; + while (!this.eat(close)) { + if (first) { first = false; } + else { this.expect(types$1.comma); } + if (allowEmpty && this.type === types$1.comma) { + elts.push(null); + } else if (allowTrailingComma && this.afterTrailingComma(close)) { + break + } else if (this.type === types$1.ellipsis) { + var rest = this.parseRestBinding(); + this.parseBindingListItem(rest); + elts.push(rest); + if (this.type === types$1.comma) { this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); } + this.expect(close); + break + } else { + elts.push(this.parseAssignableListItem(allowModifiers)); + } + } + return elts + }; + + pp$7.parseAssignableListItem = function(allowModifiers) { + var elem = this.parseMaybeDefault(this.start, this.startLoc); + this.parseBindingListItem(elem); + return elem + }; + + pp$7.parseBindingListItem = function(param) { + return param + }; + + // Parses assignment pattern around given atom if possible. + + pp$7.parseMaybeDefault = function(startPos, startLoc, left) { + left = left || this.parseBindingAtom(); + if (this.options.ecmaVersion < 6 || !this.eat(types$1.eq)) { return left } + var node = this.startNodeAt(startPos, startLoc); + node.left = left; + node.right = this.parseMaybeAssign(); + return this.finishNode(node, "AssignmentPattern") + }; + + // The following three functions all verify that a node is an lvalue — + // something that can be bound, or assigned to. In order to do so, they perform + // a variety of checks: + // + // - Check that none of the bound/assigned-to identifiers are reserved words. + // - Record name declarations for bindings in the appropriate scope. + // - Check duplicate argument names, if checkClashes is set. + // + // If a complex binding pattern is encountered (e.g., object and array + // destructuring), the entire pattern is recursively checked. + // + // There are three versions of checkLVal*() appropriate for different + // circumstances: + // + // - checkLValSimple() shall be used if the syntactic construct supports + // nothing other than identifiers and member expressions. Parenthesized + // expressions are also correctly handled. This is generally appropriate for + // constructs for which the spec says + // + // > It is a Syntax Error if AssignmentTargetType of [the production] is not + // > simple. + // + // It is also appropriate for checking if an identifier is valid and not + // defined elsewhere, like import declarations or function/class identifiers. + // + // Examples where this is used include: + // a += …; + // import a from '…'; + // where a is the node to be checked. + // + // - checkLValPattern() shall be used if the syntactic construct supports + // anything checkLValSimple() supports, as well as object and array + // destructuring patterns. This is generally appropriate for constructs for + // which the spec says + // + // > It is a Syntax Error if [the production] is neither an ObjectLiteral nor + // > an ArrayLiteral and AssignmentTargetType of [the production] is not + // > simple. + // + // Examples where this is used include: + // (a = …); + // const a = …; + // try { … } catch (a) { … } + // where a is the node to be checked. + // + // - checkLValInnerPattern() shall be used if the syntactic construct supports + // anything checkLValPattern() supports, as well as default assignment + // patterns, rest elements, and other constructs that may appear within an + // object or array destructuring pattern. + // + // As a special case, function parameters also use checkLValInnerPattern(), + // as they also support defaults and rest constructs. + // + // These functions deliberately support both assignment and binding constructs, + // as the logic for both is exceedingly similar. If the node is the target of + // an assignment, then bindingType should be set to BIND_NONE. Otherwise, it + // should be set to the appropriate BIND_* constant, like BIND_VAR or + // BIND_LEXICAL. + // + // If the function is called with a non-BIND_NONE bindingType, then + // additionally a checkClashes object may be specified to allow checking for + // duplicate argument names. checkClashes is ignored if the provided construct + // is an assignment (i.e., bindingType is BIND_NONE). + + pp$7.checkLValSimple = function(expr, bindingType, checkClashes) { + if ( bindingType === void 0 ) bindingType = BIND_NONE; + + var isBind = bindingType !== BIND_NONE; + + switch (expr.type) { + case "Identifier": + if (this.strict && this.reservedWordsStrictBind.test(expr.name)) + { this.raiseRecoverable(expr.start, (isBind ? "Binding " : "Assigning to ") + expr.name + " in strict mode"); } + if (isBind) { + if (bindingType === BIND_LEXICAL && expr.name === "let") + { this.raiseRecoverable(expr.start, "let is disallowed as a lexically bound name"); } + if (checkClashes) { + if (hasOwn(checkClashes, expr.name)) + { this.raiseRecoverable(expr.start, "Argument name clash"); } + checkClashes[expr.name] = true; + } + if (bindingType !== BIND_OUTSIDE) { this.declareName(expr.name, bindingType, expr.start); } + } + break + + case "ChainExpression": + this.raiseRecoverable(expr.start, "Optional chaining cannot appear in left-hand side"); + break + + case "MemberExpression": + if (isBind) { this.raiseRecoverable(expr.start, "Binding member expression"); } + break + + case "ParenthesizedExpression": + if (isBind) { this.raiseRecoverable(expr.start, "Binding parenthesized expression"); } + return this.checkLValSimple(expr.expression, bindingType, checkClashes) + + default: + this.raise(expr.start, (isBind ? "Binding" : "Assigning to") + " rvalue"); + } + }; + + pp$7.checkLValPattern = function(expr, bindingType, checkClashes) { + if ( bindingType === void 0 ) bindingType = BIND_NONE; + + switch (expr.type) { + case "ObjectPattern": + for (var i = 0, list = expr.properties; i < list.length; i += 1) { + var prop = list[i]; + + this.checkLValInnerPattern(prop, bindingType, checkClashes); + } + break + + case "ArrayPattern": + for (var i$1 = 0, list$1 = expr.elements; i$1 < list$1.length; i$1 += 1) { + var elem = list$1[i$1]; + + if (elem) { this.checkLValInnerPattern(elem, bindingType, checkClashes); } + } + break + + default: + this.checkLValSimple(expr, bindingType, checkClashes); + } + }; + + pp$7.checkLValInnerPattern = function(expr, bindingType, checkClashes) { + if ( bindingType === void 0 ) bindingType = BIND_NONE; + + switch (expr.type) { + case "Property": + // AssignmentProperty has type === "Property" + this.checkLValInnerPattern(expr.value, bindingType, checkClashes); + break + + case "AssignmentPattern": + this.checkLValPattern(expr.left, bindingType, checkClashes); + break + + case "RestElement": + this.checkLValPattern(expr.argument, bindingType, checkClashes); + break + + default: + this.checkLValPattern(expr, bindingType, checkClashes); + } + }; + + // The algorithm used to determine whether a regexp can appear at a + // given point in the program is loosely based on sweet.js' approach. + // See https://github.com/mozilla/sweet.js/wiki/design + + + var TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) { + this.token = token; + this.isExpr = !!isExpr; + this.preserveSpace = !!preserveSpace; + this.override = override; + this.generator = !!generator; + }; + + var types = { + b_stat: new TokContext("{", false), + b_expr: new TokContext("{", true), + b_tmpl: new TokContext("${", false), + p_stat: new TokContext("(", false), + p_expr: new TokContext("(", true), + q_tmpl: new TokContext("`", true, true, function (p) { return p.tryReadTemplateToken(); }), + f_stat: new TokContext("function", false), + f_expr: new TokContext("function", true), + f_expr_gen: new TokContext("function", true, false, null, true), + f_gen: new TokContext("function", false, false, null, true) + }; + + var pp$6 = Parser.prototype; + + pp$6.initialContext = function() { + return [types.b_stat] + }; + + pp$6.curContext = function() { + return this.context[this.context.length - 1] + }; + + pp$6.braceIsBlock = function(prevType) { + var parent = this.curContext(); + if (parent === types.f_expr || parent === types.f_stat) + { return true } + if (prevType === types$1.colon && (parent === types.b_stat || parent === types.b_expr)) + { return !parent.isExpr } + + // The check for `tt.name && exprAllowed` detects whether we are + // after a `yield` or `of` construct. See the `updateContext` for + // `tt.name`. + if (prevType === types$1._return || prevType === types$1.name && this.exprAllowed) + { return lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) } + if (prevType === types$1._else || prevType === types$1.semi || prevType === types$1.eof || prevType === types$1.parenR || prevType === types$1.arrow) + { return true } + if (prevType === types$1.braceL) + { return parent === types.b_stat } + if (prevType === types$1._var || prevType === types$1._const || prevType === types$1.name) + { return false } + return !this.exprAllowed + }; + + pp$6.inGeneratorContext = function() { + for (var i = this.context.length - 1; i >= 1; i--) { + var context = this.context[i]; + if (context.token === "function") + { return context.generator } + } + return false + }; + + pp$6.updateContext = function(prevType) { + var update, type = this.type; + if (type.keyword && prevType === types$1.dot) + { this.exprAllowed = false; } + else if (update = type.updateContext) + { update.call(this, prevType); } + else + { this.exprAllowed = type.beforeExpr; } + }; + + // Used to handle edge cases when token context could not be inferred correctly during tokenization phase + + pp$6.overrideContext = function(tokenCtx) { + if (this.curContext() !== tokenCtx) { + this.context[this.context.length - 1] = tokenCtx; + } + }; + + // Token-specific context update code + + types$1.parenR.updateContext = types$1.braceR.updateContext = function() { + if (this.context.length === 1) { + this.exprAllowed = true; + return + } + var out = this.context.pop(); + if (out === types.b_stat && this.curContext().token === "function") { + out = this.context.pop(); + } + this.exprAllowed = !out.isExpr; + }; + + types$1.braceL.updateContext = function(prevType) { + this.context.push(this.braceIsBlock(prevType) ? types.b_stat : types.b_expr); + this.exprAllowed = true; + }; + + types$1.dollarBraceL.updateContext = function() { + this.context.push(types.b_tmpl); + this.exprAllowed = true; + }; + + types$1.parenL.updateContext = function(prevType) { + var statementParens = prevType === types$1._if || prevType === types$1._for || prevType === types$1._with || prevType === types$1._while; + this.context.push(statementParens ? types.p_stat : types.p_expr); + this.exprAllowed = true; + }; + + types$1.incDec.updateContext = function() { + // tokExprAllowed stays unchanged + }; + + types$1._function.updateContext = types$1._class.updateContext = function(prevType) { + if (prevType.beforeExpr && prevType !== types$1._else && + !(prevType === types$1.semi && this.curContext() !== types.p_stat) && + !(prevType === types$1._return && lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) && + !((prevType === types$1.colon || prevType === types$1.braceL) && this.curContext() === types.b_stat)) + { this.context.push(types.f_expr); } + else + { this.context.push(types.f_stat); } + this.exprAllowed = false; + }; + + types$1.colon.updateContext = function() { + if (this.curContext().token === "function") { this.context.pop(); } + this.exprAllowed = true; + }; + + types$1.backQuote.updateContext = function() { + if (this.curContext() === types.q_tmpl) + { this.context.pop(); } + else + { this.context.push(types.q_tmpl); } + this.exprAllowed = false; + }; + + types$1.star.updateContext = function(prevType) { + if (prevType === types$1._function) { + var index = this.context.length - 1; + if (this.context[index] === types.f_expr) + { this.context[index] = types.f_expr_gen; } + else + { this.context[index] = types.f_gen; } + } + this.exprAllowed = true; + }; + + types$1.name.updateContext = function(prevType) { + var allowed = false; + if (this.options.ecmaVersion >= 6 && prevType !== types$1.dot) { + if (this.value === "of" && !this.exprAllowed || + this.value === "yield" && this.inGeneratorContext()) + { allowed = true; } + } + this.exprAllowed = allowed; + }; + + // A recursive descent parser operates by defining functions for all + // syntactic elements, and recursively calling those, each function + // advancing the input stream and returning an AST node. Precedence + // of constructs (for example, the fact that `!x[1]` means `!(x[1])` + // instead of `(!x)[1]` is handled by the fact that the parser + // function that parses unary prefix operators is called first, and + // in turn calls the function that parses `[]` subscripts — that + // way, it'll receive the node for `x[1]` already parsed, and wraps + // *that* in the unary operator node. + // + // Acorn uses an [operator precedence parser][opp] to handle binary + // operator precedence, because it is much more compact than using + // the technique outlined above, which uses different, nesting + // functions to specify precedence, for all of the ten binary + // precedence levels that JavaScript defines. + // + // [opp]: http://en.wikipedia.org/wiki/Operator-precedence_parser + + + var pp$5 = Parser.prototype; + + // Check if property name clashes with already added. + // Object/class getters and setters are not allowed to clash — + // either with each other or with an init property — and in + // strict mode, init properties are also not allowed to be repeated. + + pp$5.checkPropClash = function(prop, propHash, refDestructuringErrors) { + if (this.options.ecmaVersion >= 9 && prop.type === "SpreadElement") + { return } + if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand)) + { return } + var key = prop.key; + var name; + switch (key.type) { + case "Identifier": name = key.name; break + case "Literal": name = String(key.value); break + default: return + } + var kind = prop.kind; + if (this.options.ecmaVersion >= 6) { + if (name === "__proto__" && kind === "init") { + if (propHash.proto) { + if (refDestructuringErrors) { + if (refDestructuringErrors.doubleProto < 0) { + refDestructuringErrors.doubleProto = key.start; + } + } else { + this.raiseRecoverable(key.start, "Redefinition of __proto__ property"); + } + } + propHash.proto = true; + } + return + } + name = "$" + name; + var other = propHash[name]; + if (other) { + var redefinition; + if (kind === "init") { + redefinition = this.strict && other.init || other.get || other.set; + } else { + redefinition = other.init || other[kind]; + } + if (redefinition) + { this.raiseRecoverable(key.start, "Redefinition of property"); } + } else { + other = propHash[name] = { + init: false, + get: false, + set: false + }; + } + other[kind] = true; + }; + + // ### Expression parsing + + // These nest, from the most general expression type at the top to + // 'atomic', nondivisible expression types at the bottom. Most of + // the functions will simply let the function(s) below them parse, + // and, *if* the syntactic construct they handle is present, wrap + // the AST node that the inner parser gave them in another node. + + // Parse a full expression. The optional arguments are used to + // forbid the `in` operator (in for loops initalization expressions) + // and provide reference for storing '=' operator inside shorthand + // property assignment in contexts where both object expression + // and object pattern might appear (so it's possible to raise + // delayed syntax error at correct position). + + pp$5.parseExpression = function(forInit, refDestructuringErrors) { + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseMaybeAssign(forInit, refDestructuringErrors); + if (this.type === types$1.comma) { + var node = this.startNodeAt(startPos, startLoc); + node.expressions = [expr]; + while (this.eat(types$1.comma)) { node.expressions.push(this.parseMaybeAssign(forInit, refDestructuringErrors)); } + return this.finishNode(node, "SequenceExpression") + } + return expr + }; + + // Parse an assignment expression. This includes applications of + // operators like `+=`. + + pp$5.parseMaybeAssign = function(forInit, refDestructuringErrors, afterLeftParse) { + if (this.isContextual("yield")) { + if (this.inGenerator) { return this.parseYield(forInit) } + // The tokenizer will assume an expression is allowed after + // `yield`, but this isn't that kind of yield + else { this.exprAllowed = false; } + } + + var ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1, oldDoubleProto = -1; + if (refDestructuringErrors) { + oldParenAssign = refDestructuringErrors.parenthesizedAssign; + oldTrailingComma = refDestructuringErrors.trailingComma; + oldDoubleProto = refDestructuringErrors.doubleProto; + refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1; + } else { + refDestructuringErrors = new DestructuringErrors; + ownDestructuringErrors = true; + } + + var startPos = this.start, startLoc = this.startLoc; + if (this.type === types$1.parenL || this.type === types$1.name) { + this.potentialArrowAt = this.start; + this.potentialArrowInForAwait = forInit === "await"; + } + var left = this.parseMaybeConditional(forInit, refDestructuringErrors); + if (afterLeftParse) { left = afterLeftParse.call(this, left, startPos, startLoc); } + if (this.type.isAssign) { + var node = this.startNodeAt(startPos, startLoc); + node.operator = this.value; + if (this.type === types$1.eq) + { left = this.toAssignable(left, false, refDestructuringErrors); } + if (!ownDestructuringErrors) { + refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = refDestructuringErrors.doubleProto = -1; + } + if (refDestructuringErrors.shorthandAssign >= left.start) + { refDestructuringErrors.shorthandAssign = -1; } // reset because shorthand default was used correctly + if (this.type === types$1.eq) + { this.checkLValPattern(left); } + else + { this.checkLValSimple(left); } + node.left = left; + this.next(); + node.right = this.parseMaybeAssign(forInit); + if (oldDoubleProto > -1) { refDestructuringErrors.doubleProto = oldDoubleProto; } + return this.finishNode(node, "AssignmentExpression") + } else { + if (ownDestructuringErrors) { this.checkExpressionErrors(refDestructuringErrors, true); } + } + if (oldParenAssign > -1) { refDestructuringErrors.parenthesizedAssign = oldParenAssign; } + if (oldTrailingComma > -1) { refDestructuringErrors.trailingComma = oldTrailingComma; } + return left + }; + + // Parse a ternary conditional (`?:`) operator. + + pp$5.parseMaybeConditional = function(forInit, refDestructuringErrors) { + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseExprOps(forInit, refDestructuringErrors); + if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } + if (this.eat(types$1.question)) { + var node = this.startNodeAt(startPos, startLoc); + node.test = expr; + node.consequent = this.parseMaybeAssign(); + this.expect(types$1.colon); + node.alternate = this.parseMaybeAssign(forInit); + return this.finishNode(node, "ConditionalExpression") + } + return expr + }; + + // Start the precedence parser. + + pp$5.parseExprOps = function(forInit, refDestructuringErrors) { + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseMaybeUnary(refDestructuringErrors, false, false, forInit); + if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } + return expr.start === startPos && expr.type === "ArrowFunctionExpression" ? expr : this.parseExprOp(expr, startPos, startLoc, -1, forInit) + }; + + // Parse binary operators with the operator precedence parsing + // algorithm. `left` is the left-hand side of the operator. + // `minPrec` provides context that allows the function to stop and + // defer further parser to one of its callers when it encounters an + // operator that has a lower precedence than the set it is parsing. + + pp$5.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, forInit) { + var prec = this.type.binop; + if (prec != null && (!forInit || this.type !== types$1._in)) { + if (prec > minPrec) { + var logical = this.type === types$1.logicalOR || this.type === types$1.logicalAND; + var coalesce = this.type === types$1.coalesce; + if (coalesce) { + // Handle the precedence of `tt.coalesce` as equal to the range of logical expressions. + // In other words, `node.right` shouldn't contain logical expressions in order to check the mixed error. + prec = types$1.logicalAND.binop; + } + var op = this.value; + this.next(); + var startPos = this.start, startLoc = this.startLoc; + var right = this.parseExprOp(this.parseMaybeUnary(null, false, false, forInit), startPos, startLoc, prec, forInit); + var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical || coalesce); + if ((logical && this.type === types$1.coalesce) || (coalesce && (this.type === types$1.logicalOR || this.type === types$1.logicalAND))) { + this.raiseRecoverable(this.start, "Logical expressions and coalesce expressions cannot be mixed. Wrap either by parentheses"); + } + return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, forInit) + } + } + return left + }; + + pp$5.buildBinary = function(startPos, startLoc, left, right, op, logical) { + if (right.type === "PrivateIdentifier") { this.raise(right.start, "Private identifier can only be left side of binary expression"); } + var node = this.startNodeAt(startPos, startLoc); + node.left = left; + node.operator = op; + node.right = right; + return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression") + }; + + // Parse unary operators, both prefix and postfix. + + pp$5.parseMaybeUnary = function(refDestructuringErrors, sawUnary, incDec, forInit) { + var startPos = this.start, startLoc = this.startLoc, expr; + if (this.isContextual("await") && this.canAwait) { + expr = this.parseAwait(forInit); + sawUnary = true; + } else if (this.type.prefix) { + var node = this.startNode(), update = this.type === types$1.incDec; + node.operator = this.value; + node.prefix = true; + this.next(); + node.argument = this.parseMaybeUnary(null, true, update, forInit); + this.checkExpressionErrors(refDestructuringErrors, true); + if (update) { this.checkLValSimple(node.argument); } + else if (this.strict && node.operator === "delete" && isLocalVariableAccess(node.argument)) + { this.raiseRecoverable(node.start, "Deleting local variable in strict mode"); } + else if (node.operator === "delete" && isPrivateFieldAccess(node.argument)) + { this.raiseRecoverable(node.start, "Private fields can not be deleted"); } + else { sawUnary = true; } + expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression"); + } else if (!sawUnary && this.type === types$1.privateId) { + if ((forInit || this.privateNameStack.length === 0) && this.options.checkPrivateFields) { this.unexpected(); } + expr = this.parsePrivateIdent(); + // only could be private fields in 'in', such as #x in obj + if (this.type !== types$1._in) { this.unexpected(); } + } else { + expr = this.parseExprSubscripts(refDestructuringErrors, forInit); + if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } + while (this.type.postfix && !this.canInsertSemicolon()) { + var node$1 = this.startNodeAt(startPos, startLoc); + node$1.operator = this.value; + node$1.prefix = false; + node$1.argument = expr; + this.checkLValSimple(expr); + this.next(); + expr = this.finishNode(node$1, "UpdateExpression"); + } + } + + if (!incDec && this.eat(types$1.starstar)) { + if (sawUnary) + { this.unexpected(this.lastTokStart); } + else + { return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false, false, forInit), "**", false) } + } else { + return expr + } + }; + + function isLocalVariableAccess(node) { + return ( + node.type === "Identifier" || + node.type === "ParenthesizedExpression" && isLocalVariableAccess(node.expression) + ) + } + + function isPrivateFieldAccess(node) { + return ( + node.type === "MemberExpression" && node.property.type === "PrivateIdentifier" || + node.type === "ChainExpression" && isPrivateFieldAccess(node.expression) || + node.type === "ParenthesizedExpression" && isPrivateFieldAccess(node.expression) + ) + } + + // Parse call, dot, and `[]`-subscript expressions. + + pp$5.parseExprSubscripts = function(refDestructuringErrors, forInit) { + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseExprAtom(refDestructuringErrors, forInit); + if (expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")") + { return expr } + var result = this.parseSubscripts(expr, startPos, startLoc, false, forInit); + if (refDestructuringErrors && result.type === "MemberExpression") { + if (refDestructuringErrors.parenthesizedAssign >= result.start) { refDestructuringErrors.parenthesizedAssign = -1; } + if (refDestructuringErrors.parenthesizedBind >= result.start) { refDestructuringErrors.parenthesizedBind = -1; } + if (refDestructuringErrors.trailingComma >= result.start) { refDestructuringErrors.trailingComma = -1; } + } + return result + }; + + pp$5.parseSubscripts = function(base, startPos, startLoc, noCalls, forInit) { + var maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" && + this.lastTokEnd === base.end && !this.canInsertSemicolon() && base.end - base.start === 5 && + this.potentialArrowAt === base.start; + var optionalChained = false; + + while (true) { + var element = this.parseSubscript(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained, forInit); + + if (element.optional) { optionalChained = true; } + if (element === base || element.type === "ArrowFunctionExpression") { + if (optionalChained) { + var chainNode = this.startNodeAt(startPos, startLoc); + chainNode.expression = element; + element = this.finishNode(chainNode, "ChainExpression"); + } + return element + } + + base = element; + } + }; + + pp$5.shouldParseAsyncArrow = function() { + return !this.canInsertSemicolon() && this.eat(types$1.arrow) + }; + + pp$5.parseSubscriptAsyncArrow = function(startPos, startLoc, exprList, forInit) { + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true, forInit) + }; + + pp$5.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained, forInit) { + var optionalSupported = this.options.ecmaVersion >= 11; + var optional = optionalSupported && this.eat(types$1.questionDot); + if (noCalls && optional) { this.raise(this.lastTokStart, "Optional chaining cannot appear in the callee of new expressions"); } + + var computed = this.eat(types$1.bracketL); + if (computed || (optional && this.type !== types$1.parenL && this.type !== types$1.backQuote) || this.eat(types$1.dot)) { + var node = this.startNodeAt(startPos, startLoc); + node.object = base; + if (computed) { + node.property = this.parseExpression(); + this.expect(types$1.bracketR); + } else if (this.type === types$1.privateId && base.type !== "Super") { + node.property = this.parsePrivateIdent(); + } else { + node.property = this.parseIdent(this.options.allowReserved !== "never"); + } + node.computed = !!computed; + if (optionalSupported) { + node.optional = optional; + } + base = this.finishNode(node, "MemberExpression"); + } else if (!noCalls && this.eat(types$1.parenL)) { + var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + var exprList = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors); + if (maybeAsyncArrow && !optional && this.shouldParseAsyncArrow()) { + this.checkPatternErrors(refDestructuringErrors, false); + this.checkYieldAwaitInDefaultParams(); + if (this.awaitIdentPos > 0) + { this.raise(this.awaitIdentPos, "Cannot use 'await' as identifier inside an async function"); } + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.parseSubscriptAsyncArrow(startPos, startLoc, exprList, forInit) + } + this.checkExpressionErrors(refDestructuringErrors, true); + this.yieldPos = oldYieldPos || this.yieldPos; + this.awaitPos = oldAwaitPos || this.awaitPos; + this.awaitIdentPos = oldAwaitIdentPos || this.awaitIdentPos; + var node$1 = this.startNodeAt(startPos, startLoc); + node$1.callee = base; + node$1.arguments = exprList; + if (optionalSupported) { + node$1.optional = optional; + } + base = this.finishNode(node$1, "CallExpression"); + } else if (this.type === types$1.backQuote) { + if (optional || optionalChained) { + this.raise(this.start, "Optional chaining cannot appear in the tag of tagged template expressions"); + } + var node$2 = this.startNodeAt(startPos, startLoc); + node$2.tag = base; + node$2.quasi = this.parseTemplate({isTagged: true}); + base = this.finishNode(node$2, "TaggedTemplateExpression"); + } + return base + }; + + // Parse an atomic expression — either a single token that is an + // expression, an expression started by a keyword like `function` or + // `new`, or an expression wrapped in punctuation like `()`, `[]`, + // or `{}`. + + pp$5.parseExprAtom = function(refDestructuringErrors, forInit, forNew) { + // If a division operator appears in an expression position, the + // tokenizer got confused, and we force it to read a regexp instead. + if (this.type === types$1.slash) { this.readRegexp(); } + + var node, canBeArrow = this.potentialArrowAt === this.start; + switch (this.type) { + case types$1._super: + if (!this.allowSuper) + { this.raise(this.start, "'super' keyword outside a method"); } + node = this.startNode(); + this.next(); + if (this.type === types$1.parenL && !this.allowDirectSuper) + { this.raise(node.start, "super() call outside constructor of a subclass"); } + // The `super` keyword can appear at below: + // SuperProperty: + // super [ Expression ] + // super . IdentifierName + // SuperCall: + // super ( Arguments ) + if (this.type !== types$1.dot && this.type !== types$1.bracketL && this.type !== types$1.parenL) + { this.unexpected(); } + return this.finishNode(node, "Super") + + case types$1._this: + node = this.startNode(); + this.next(); + return this.finishNode(node, "ThisExpression") + + case types$1.name: + var startPos = this.start, startLoc = this.startLoc, containsEsc = this.containsEsc; + var id = this.parseIdent(false); + if (this.options.ecmaVersion >= 8 && !containsEsc && id.name === "async" && !this.canInsertSemicolon() && this.eat(types$1._function)) { + this.overrideContext(types.f_expr); + return this.parseFunction(this.startNodeAt(startPos, startLoc), 0, false, true, forInit) + } + if (canBeArrow && !this.canInsertSemicolon()) { + if (this.eat(types$1.arrow)) + { return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false, forInit) } + if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === types$1.name && !containsEsc && + (!this.potentialArrowInForAwait || this.value !== "of" || this.containsEsc)) { + id = this.parseIdent(false); + if (this.canInsertSemicolon() || !this.eat(types$1.arrow)) + { this.unexpected(); } + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true, forInit) + } + } + return id + + case types$1.regexp: + var value = this.value; + node = this.parseLiteral(value.value); + node.regex = {pattern: value.pattern, flags: value.flags}; + return node + + case types$1.num: case types$1.string: + return this.parseLiteral(this.value) + + case types$1._null: case types$1._true: case types$1._false: + node = this.startNode(); + node.value = this.type === types$1._null ? null : this.type === types$1._true; + node.raw = this.type.keyword; + this.next(); + return this.finishNode(node, "Literal") + + case types$1.parenL: + var start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow, forInit); + if (refDestructuringErrors) { + if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr)) + { refDestructuringErrors.parenthesizedAssign = start; } + if (refDestructuringErrors.parenthesizedBind < 0) + { refDestructuringErrors.parenthesizedBind = start; } + } + return expr + + case types$1.bracketL: + node = this.startNode(); + this.next(); + node.elements = this.parseExprList(types$1.bracketR, true, true, refDestructuringErrors); + return this.finishNode(node, "ArrayExpression") + + case types$1.braceL: + this.overrideContext(types.b_expr); + return this.parseObj(false, refDestructuringErrors) + + case types$1._function: + node = this.startNode(); + this.next(); + return this.parseFunction(node, 0) + + case types$1._class: + return this.parseClass(this.startNode(), false) + + case types$1._new: + return this.parseNew() + + case types$1.backQuote: + return this.parseTemplate() + + case types$1._import: + if (this.options.ecmaVersion >= 11) { + return this.parseExprImport(forNew) + } else { + return this.unexpected() + } + + default: + return this.parseExprAtomDefault() + } + }; + + pp$5.parseExprAtomDefault = function() { + this.unexpected(); + }; + + pp$5.parseExprImport = function(forNew) { + var node = this.startNode(); + + // Consume `import` as an identifier for `import.meta`. + // Because `this.parseIdent(true)` doesn't check escape sequences, it needs the check of `this.containsEsc`. + if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword import"); } + this.next(); + + if (this.type === types$1.parenL && !forNew) { + return this.parseDynamicImport(node) + } else if (this.type === types$1.dot) { + var meta = this.startNodeAt(node.start, node.loc && node.loc.start); + meta.name = "import"; + node.meta = this.finishNode(meta, "Identifier"); + return this.parseImportMeta(node) + } else { + this.unexpected(); + } + }; + + pp$5.parseDynamicImport = function(node) { + this.next(); // skip `(` + + // Parse node.source. + node.source = this.parseMaybeAssign(); + + if (this.options.ecmaVersion >= 16) { + if (!this.eat(types$1.parenR)) { + this.expect(types$1.comma); + if (!this.afterTrailingComma(types$1.parenR)) { + node.options = this.parseMaybeAssign(); + if (!this.eat(types$1.parenR)) { + this.expect(types$1.comma); + if (!this.afterTrailingComma(types$1.parenR)) { + this.unexpected(); + } + } + } else { + node.options = null; + } + } else { + node.options = null; + } + } else { + // Verify ending. + if (!this.eat(types$1.parenR)) { + var errorPos = this.start; + if (this.eat(types$1.comma) && this.eat(types$1.parenR)) { + this.raiseRecoverable(errorPos, "Trailing comma is not allowed in import()"); + } else { + this.unexpected(errorPos); + } + } + } + + return this.finishNode(node, "ImportExpression") + }; + + pp$5.parseImportMeta = function(node) { + this.next(); // skip `.` + + var containsEsc = this.containsEsc; + node.property = this.parseIdent(true); + + if (node.property.name !== "meta") + { this.raiseRecoverable(node.property.start, "The only valid meta property for import is 'import.meta'"); } + if (containsEsc) + { this.raiseRecoverable(node.start, "'import.meta' must not contain escaped characters"); } + if (this.options.sourceType !== "module" && !this.options.allowImportExportEverywhere) + { this.raiseRecoverable(node.start, "Cannot use 'import.meta' outside a module"); } + + return this.finishNode(node, "MetaProperty") + }; + + pp$5.parseLiteral = function(value) { + var node = this.startNode(); + node.value = value; + node.raw = this.input.slice(this.start, this.end); + if (node.raw.charCodeAt(node.raw.length - 1) === 110) + { node.bigint = node.value != null ? node.value.toString() : node.raw.slice(0, -1).replace(/_/g, ""); } + this.next(); + return this.finishNode(node, "Literal") + }; + + pp$5.parseParenExpression = function() { + this.expect(types$1.parenL); + var val = this.parseExpression(); + this.expect(types$1.parenR); + return val + }; + + pp$5.shouldParseArrow = function(exprList) { + return !this.canInsertSemicolon() + }; + + pp$5.parseParenAndDistinguishExpression = function(canBeArrow, forInit) { + var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8; + if (this.options.ecmaVersion >= 6) { + this.next(); + + var innerStartPos = this.start, innerStartLoc = this.startLoc; + var exprList = [], first = true, lastIsComma = false; + var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, spreadStart; + this.yieldPos = 0; + this.awaitPos = 0; + // Do not save awaitIdentPos to allow checking awaits nested in parameters + while (this.type !== types$1.parenR) { + first ? first = false : this.expect(types$1.comma); + if (allowTrailingComma && this.afterTrailingComma(types$1.parenR, true)) { + lastIsComma = true; + break + } else if (this.type === types$1.ellipsis) { + spreadStart = this.start; + exprList.push(this.parseParenItem(this.parseRestBinding())); + if (this.type === types$1.comma) { + this.raiseRecoverable( + this.start, + "Comma is not permitted after the rest element" + ); + } + break + } else { + exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem)); + } + } + var innerEndPos = this.lastTokEnd, innerEndLoc = this.lastTokEndLoc; + this.expect(types$1.parenR); + + if (canBeArrow && this.shouldParseArrow(exprList) && this.eat(types$1.arrow)) { + this.checkPatternErrors(refDestructuringErrors, false); + this.checkYieldAwaitInDefaultParams(); + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + return this.parseParenArrowList(startPos, startLoc, exprList, forInit) + } + + if (!exprList.length || lastIsComma) { this.unexpected(this.lastTokStart); } + if (spreadStart) { this.unexpected(spreadStart); } + this.checkExpressionErrors(refDestructuringErrors, true); + this.yieldPos = oldYieldPos || this.yieldPos; + this.awaitPos = oldAwaitPos || this.awaitPos; + + if (exprList.length > 1) { + val = this.startNodeAt(innerStartPos, innerStartLoc); + val.expressions = exprList; + this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc); + } else { + val = exprList[0]; + } + } else { + val = this.parseParenExpression(); + } + + if (this.options.preserveParens) { + var par = this.startNodeAt(startPos, startLoc); + par.expression = val; + return this.finishNode(par, "ParenthesizedExpression") + } else { + return val + } + }; + + pp$5.parseParenItem = function(item) { + return item + }; + + pp$5.parseParenArrowList = function(startPos, startLoc, exprList, forInit) { + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, false, forInit) + }; + + // New's precedence is slightly tricky. It must allow its argument to + // be a `[]` or dot subscript expression, but not a call — at least, + // not without wrapping it in parentheses. Thus, it uses the noCalls + // argument to parseSubscripts to prevent it from consuming the + // argument list. + + var empty = []; + + pp$5.parseNew = function() { + if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword new"); } + var node = this.startNode(); + this.next(); + if (this.options.ecmaVersion >= 6 && this.type === types$1.dot) { + var meta = this.startNodeAt(node.start, node.loc && node.loc.start); + meta.name = "new"; + node.meta = this.finishNode(meta, "Identifier"); + this.next(); + var containsEsc = this.containsEsc; + node.property = this.parseIdent(true); + if (node.property.name !== "target") + { this.raiseRecoverable(node.property.start, "The only valid meta property for new is 'new.target'"); } + if (containsEsc) + { this.raiseRecoverable(node.start, "'new.target' must not contain escaped characters"); } + if (!this.allowNewDotTarget) + { this.raiseRecoverable(node.start, "'new.target' can only be used in functions and class static block"); } + return this.finishNode(node, "MetaProperty") + } + var startPos = this.start, startLoc = this.startLoc; + node.callee = this.parseSubscripts(this.parseExprAtom(null, false, true), startPos, startLoc, true, false); + if (this.eat(types$1.parenL)) { node.arguments = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false); } + else { node.arguments = empty; } + return this.finishNode(node, "NewExpression") + }; + + // Parse template expression. + + pp$5.parseTemplateElement = function(ref) { + var isTagged = ref.isTagged; + + var elem = this.startNode(); + if (this.type === types$1.invalidTemplate) { + if (!isTagged) { + this.raiseRecoverable(this.start, "Bad escape sequence in untagged template literal"); + } + elem.value = { + raw: this.value.replace(/\r\n?/g, "\n"), + cooked: null + }; + } else { + elem.value = { + raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, "\n"), + cooked: this.value + }; + } + this.next(); + elem.tail = this.type === types$1.backQuote; + return this.finishNode(elem, "TemplateElement") + }; + + pp$5.parseTemplate = function(ref) { + if ( ref === void 0 ) ref = {}; + var isTagged = ref.isTagged; if ( isTagged === void 0 ) isTagged = false; + + var node = this.startNode(); + this.next(); + node.expressions = []; + var curElt = this.parseTemplateElement({isTagged: isTagged}); + node.quasis = [curElt]; + while (!curElt.tail) { + if (this.type === types$1.eof) { this.raise(this.pos, "Unterminated template literal"); } + this.expect(types$1.dollarBraceL); + node.expressions.push(this.parseExpression()); + this.expect(types$1.braceR); + node.quasis.push(curElt = this.parseTemplateElement({isTagged: isTagged})); + } + this.next(); + return this.finishNode(node, "TemplateLiteral") + }; + + pp$5.isAsyncProp = function(prop) { + return !prop.computed && prop.key.type === "Identifier" && prop.key.name === "async" && + (this.type === types$1.name || this.type === types$1.num || this.type === types$1.string || this.type === types$1.bracketL || this.type.keyword || (this.options.ecmaVersion >= 9 && this.type === types$1.star)) && + !lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) + }; + + // Parse an object literal or binding pattern. + + pp$5.parseObj = function(isPattern, refDestructuringErrors) { + var node = this.startNode(), first = true, propHash = {}; + node.properties = []; + this.next(); + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.options.ecmaVersion >= 5 && this.afterTrailingComma(types$1.braceR)) { break } + } else { first = false; } + + var prop = this.parseProperty(isPattern, refDestructuringErrors); + if (!isPattern) { this.checkPropClash(prop, propHash, refDestructuringErrors); } + node.properties.push(prop); + } + return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression") + }; + + pp$5.parseProperty = function(isPattern, refDestructuringErrors) { + var prop = this.startNode(), isGenerator, isAsync, startPos, startLoc; + if (this.options.ecmaVersion >= 9 && this.eat(types$1.ellipsis)) { + if (isPattern) { + prop.argument = this.parseIdent(false); + if (this.type === types$1.comma) { + this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); + } + return this.finishNode(prop, "RestElement") + } + // Parse argument. + prop.argument = this.parseMaybeAssign(false, refDestructuringErrors); + // To disallow trailing comma via `this.toAssignable()`. + if (this.type === types$1.comma && refDestructuringErrors && refDestructuringErrors.trailingComma < 0) { + refDestructuringErrors.trailingComma = this.start; + } + // Finish + return this.finishNode(prop, "SpreadElement") + } + if (this.options.ecmaVersion >= 6) { + prop.method = false; + prop.shorthand = false; + if (isPattern || refDestructuringErrors) { + startPos = this.start; + startLoc = this.startLoc; + } + if (!isPattern) + { isGenerator = this.eat(types$1.star); } + } + var containsEsc = this.containsEsc; + this.parsePropertyName(prop); + if (!isPattern && !containsEsc && this.options.ecmaVersion >= 8 && !isGenerator && this.isAsyncProp(prop)) { + isAsync = true; + isGenerator = this.options.ecmaVersion >= 9 && this.eat(types$1.star); + this.parsePropertyName(prop); + } else { + isAsync = false; + } + this.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc); + return this.finishNode(prop, "Property") + }; + + pp$5.parseGetterSetter = function(prop) { + var kind = prop.key.name; + this.parsePropertyName(prop); + prop.value = this.parseMethod(false); + prop.kind = kind; + var paramCount = prop.kind === "get" ? 0 : 1; + if (prop.value.params.length !== paramCount) { + var start = prop.value.start; + if (prop.kind === "get") + { this.raiseRecoverable(start, "getter should have no params"); } + else + { this.raiseRecoverable(start, "setter should have exactly one param"); } + } else { + if (prop.kind === "set" && prop.value.params[0].type === "RestElement") + { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); } + } + }; + + pp$5.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) { + if ((isGenerator || isAsync) && this.type === types$1.colon) + { this.unexpected(); } + + if (this.eat(types$1.colon)) { + prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors); + prop.kind = "init"; + } else if (this.options.ecmaVersion >= 6 && this.type === types$1.parenL) { + if (isPattern) { this.unexpected(); } + prop.method = true; + prop.value = this.parseMethod(isGenerator, isAsync); + prop.kind = "init"; + } else if (!isPattern && !containsEsc && + this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" && + (prop.key.name === "get" || prop.key.name === "set") && + (this.type !== types$1.comma && this.type !== types$1.braceR && this.type !== types$1.eq)) { + if (isGenerator || isAsync) { this.unexpected(); } + this.parseGetterSetter(prop); + } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") { + if (isGenerator || isAsync) { this.unexpected(); } + this.checkUnreserved(prop.key); + if (prop.key.name === "await" && !this.awaitIdentPos) + { this.awaitIdentPos = startPos; } + if (isPattern) { + prop.value = this.parseMaybeDefault(startPos, startLoc, this.copyNode(prop.key)); + } else if (this.type === types$1.eq && refDestructuringErrors) { + if (refDestructuringErrors.shorthandAssign < 0) + { refDestructuringErrors.shorthandAssign = this.start; } + prop.value = this.parseMaybeDefault(startPos, startLoc, this.copyNode(prop.key)); + } else { + prop.value = this.copyNode(prop.key); + } + prop.kind = "init"; + prop.shorthand = true; + } else { this.unexpected(); } + }; + + pp$5.parsePropertyName = function(prop) { + if (this.options.ecmaVersion >= 6) { + if (this.eat(types$1.bracketL)) { + prop.computed = true; + prop.key = this.parseMaybeAssign(); + this.expect(types$1.bracketR); + return prop.key + } else { + prop.computed = false; + } + } + return prop.key = this.type === types$1.num || this.type === types$1.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never") + }; + + // Initialize empty function node. + + pp$5.initFunction = function(node) { + node.id = null; + if (this.options.ecmaVersion >= 6) { node.generator = node.expression = false; } + if (this.options.ecmaVersion >= 8) { node.async = false; } + }; + + // Parse object or class method. + + pp$5.parseMethod = function(isGenerator, isAsync, allowDirectSuper) { + var node = this.startNode(), oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + + this.initFunction(node); + if (this.options.ecmaVersion >= 6) + { node.generator = isGenerator; } + if (this.options.ecmaVersion >= 8) + { node.async = !!isAsync; } + + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + this.enterScope(functionFlags(isAsync, node.generator) | SCOPE_SUPER | (allowDirectSuper ? SCOPE_DIRECT_SUPER : 0)); + + this.expect(types$1.parenL); + node.params = this.parseBindingList(types$1.parenR, false, this.options.ecmaVersion >= 8); + this.checkYieldAwaitInDefaultParams(); + this.parseFunctionBody(node, false, true, false); + + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.finishNode(node, "FunctionExpression") + }; + + // Parse arrow function expression with given parameters. + + pp$5.parseArrowExpression = function(node, params, isAsync, forInit) { + var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + + this.enterScope(functionFlags(isAsync, false) | SCOPE_ARROW); + this.initFunction(node); + if (this.options.ecmaVersion >= 8) { node.async = !!isAsync; } + + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + + node.params = this.toAssignableList(params, true); + this.parseFunctionBody(node, true, false, forInit); + + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.finishNode(node, "ArrowFunctionExpression") + }; + + // Parse function body and check parameters. + + pp$5.parseFunctionBody = function(node, isArrowFunction, isMethod, forInit) { + var isExpression = isArrowFunction && this.type !== types$1.braceL; + var oldStrict = this.strict, useStrict = false; + + if (isExpression) { + node.body = this.parseMaybeAssign(forInit); + node.expression = true; + this.checkParams(node, false); + } else { + var nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params); + if (!oldStrict || nonSimple) { + useStrict = this.strictDirective(this.end); + // If this is a strict mode function, verify that argument names + // are not repeated, and it does not try to bind the words `eval` + // or `arguments`. + if (useStrict && nonSimple) + { this.raiseRecoverable(node.start, "Illegal 'use strict' directive in function with non-simple parameter list"); } + } + // Start a new scope with regard to labels and the `inFunction` + // flag (restore them to their old value afterwards). + var oldLabels = this.labels; + this.labels = []; + if (useStrict) { this.strict = true; } + + // Add the params to varDeclaredNames to ensure that an error is thrown + // if a let/const declaration in the function clashes with one of the params. + this.checkParams(node, !oldStrict && !useStrict && !isArrowFunction && !isMethod && this.isSimpleParamList(node.params)); + // Ensure the function name isn't a forbidden identifier in strict mode, e.g. 'eval' + if (this.strict && node.id) { this.checkLValSimple(node.id, BIND_OUTSIDE); } + node.body = this.parseBlock(false, undefined, useStrict && !oldStrict); + node.expression = false; + this.adaptDirectivePrologue(node.body.body); + this.labels = oldLabels; + } + this.exitScope(); + }; + + pp$5.isSimpleParamList = function(params) { + for (var i = 0, list = params; i < list.length; i += 1) + { + var param = list[i]; + + if (param.type !== "Identifier") { return false + } } + return true + }; + + // Checks function params for various disallowed patterns such as using "eval" + // or "arguments" and duplicate parameters. + + pp$5.checkParams = function(node, allowDuplicates) { + var nameHash = Object.create(null); + for (var i = 0, list = node.params; i < list.length; i += 1) + { + var param = list[i]; + + this.checkLValInnerPattern(param, BIND_VAR, allowDuplicates ? null : nameHash); + } + }; + + // Parses a comma-separated list of expressions, and returns them as + // an array. `close` is the token type that ends the list, and + // `allowEmpty` can be turned on to allow subsequent commas with + // nothing in between them to be parsed as `null` (which is needed + // for array literals). + + pp$5.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) { + var elts = [], first = true; + while (!this.eat(close)) { + if (!first) { + this.expect(types$1.comma); + if (allowTrailingComma && this.afterTrailingComma(close)) { break } + } else { first = false; } + + var elt = (void 0); + if (allowEmpty && this.type === types$1.comma) + { elt = null; } + else if (this.type === types$1.ellipsis) { + elt = this.parseSpread(refDestructuringErrors); + if (refDestructuringErrors && this.type === types$1.comma && refDestructuringErrors.trailingComma < 0) + { refDestructuringErrors.trailingComma = this.start; } + } else { + elt = this.parseMaybeAssign(false, refDestructuringErrors); + } + elts.push(elt); + } + return elts + }; + + pp$5.checkUnreserved = function(ref) { + var start = ref.start; + var end = ref.end; + var name = ref.name; + + if (this.inGenerator && name === "yield") + { this.raiseRecoverable(start, "Cannot use 'yield' as identifier inside a generator"); } + if (this.inAsync && name === "await") + { this.raiseRecoverable(start, "Cannot use 'await' as identifier inside an async function"); } + if (!(this.currentThisScope().flags & SCOPE_VAR) && name === "arguments") + { this.raiseRecoverable(start, "Cannot use 'arguments' in class field initializer"); } + if (this.inClassStaticBlock && (name === "arguments" || name === "await")) + { this.raise(start, ("Cannot use " + name + " in class static initialization block")); } + if (this.keywords.test(name)) + { this.raise(start, ("Unexpected keyword '" + name + "'")); } + if (this.options.ecmaVersion < 6 && + this.input.slice(start, end).indexOf("\\") !== -1) { return } + var re = this.strict ? this.reservedWordsStrict : this.reservedWords; + if (re.test(name)) { + if (!this.inAsync && name === "await") + { this.raiseRecoverable(start, "Cannot use keyword 'await' outside an async function"); } + this.raiseRecoverable(start, ("The keyword '" + name + "' is reserved")); + } + }; + + // Parse the next token as an identifier. If `liberal` is true (used + // when parsing properties), it will also convert keywords into + // identifiers. + + pp$5.parseIdent = function(liberal) { + var node = this.parseIdentNode(); + this.next(!!liberal); + this.finishNode(node, "Identifier"); + if (!liberal) { + this.checkUnreserved(node); + if (node.name === "await" && !this.awaitIdentPos) + { this.awaitIdentPos = node.start; } + } + return node + }; + + pp$5.parseIdentNode = function() { + var node = this.startNode(); + if (this.type === types$1.name) { + node.name = this.value; + } else if (this.type.keyword) { + node.name = this.type.keyword; + + // To fix https://github.com/acornjs/acorn/issues/575 + // `class` and `function` keywords push new context into this.context. + // But there is no chance to pop the context if the keyword is consumed as an identifier such as a property name. + // If the previous token is a dot, this does not apply because the context-managing code already ignored the keyword + if ((node.name === "class" || node.name === "function") && + (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) { + this.context.pop(); + } + this.type = types$1.name; + } else { + this.unexpected(); + } + return node + }; + + pp$5.parsePrivateIdent = function() { + var node = this.startNode(); + if (this.type === types$1.privateId) { + node.name = this.value; + } else { + this.unexpected(); + } + this.next(); + this.finishNode(node, "PrivateIdentifier"); + + // For validating existence + if (this.options.checkPrivateFields) { + if (this.privateNameStack.length === 0) { + this.raise(node.start, ("Private field '#" + (node.name) + "' must be declared in an enclosing class")); + } else { + this.privateNameStack[this.privateNameStack.length - 1].used.push(node); + } + } + + return node + }; + + // Parses yield expression inside generator. + + pp$5.parseYield = function(forInit) { + if (!this.yieldPos) { this.yieldPos = this.start; } + + var node = this.startNode(); + this.next(); + if (this.type === types$1.semi || this.canInsertSemicolon() || (this.type !== types$1.star && !this.type.startsExpr)) { + node.delegate = false; + node.argument = null; + } else { + node.delegate = this.eat(types$1.star); + node.argument = this.parseMaybeAssign(forInit); + } + return this.finishNode(node, "YieldExpression") + }; + + pp$5.parseAwait = function(forInit) { + if (!this.awaitPos) { this.awaitPos = this.start; } + + var node = this.startNode(); + this.next(); + node.argument = this.parseMaybeUnary(null, true, false, forInit); + return this.finishNode(node, "AwaitExpression") + }; + + var pp$4 = Parser.prototype; + + // This function is used to raise exceptions on parse errors. It + // takes an offset integer (into the current `input`) to indicate + // the location of the error, attaches the position to the end + // of the error message, and then raises a `SyntaxError` with that + // message. + + pp$4.raise = function(pos, message) { + var loc = getLineInfo(this.input, pos); + message += " (" + loc.line + ":" + loc.column + ")"; + if (this.sourceFile) { + message += " in " + this.sourceFile; + } + var err = new SyntaxError(message); + err.pos = pos; err.loc = loc; err.raisedAt = this.pos; + throw err + }; + + pp$4.raiseRecoverable = pp$4.raise; + + pp$4.curPosition = function() { + if (this.options.locations) { + return new Position(this.curLine, this.pos - this.lineStart) + } + }; + + var pp$3 = Parser.prototype; + + var Scope = function Scope(flags) { + this.flags = flags; + // A list of var-declared names in the current lexical scope + this.var = []; + // A list of lexically-declared names in the current lexical scope + this.lexical = []; + // A list of lexically-declared FunctionDeclaration names in the current lexical scope + this.functions = []; + }; + + // The functions in this module keep track of declared variables in the current scope in order to detect duplicate variable names. + + pp$3.enterScope = function(flags) { + this.scopeStack.push(new Scope(flags)); + }; + + pp$3.exitScope = function() { + this.scopeStack.pop(); + }; + + // The spec says: + // > At the top level of a function, or script, function declarations are + // > treated like var declarations rather than like lexical declarations. + pp$3.treatFunctionsAsVarInScope = function(scope) { + return (scope.flags & SCOPE_FUNCTION) || !this.inModule && (scope.flags & SCOPE_TOP) + }; + + pp$3.declareName = function(name, bindingType, pos) { + var redeclared = false; + if (bindingType === BIND_LEXICAL) { + var scope = this.currentScope(); + redeclared = scope.lexical.indexOf(name) > -1 || scope.functions.indexOf(name) > -1 || scope.var.indexOf(name) > -1; + scope.lexical.push(name); + if (this.inModule && (scope.flags & SCOPE_TOP)) + { delete this.undefinedExports[name]; } + } else if (bindingType === BIND_SIMPLE_CATCH) { + var scope$1 = this.currentScope(); + scope$1.lexical.push(name); + } else if (bindingType === BIND_FUNCTION) { + var scope$2 = this.currentScope(); + if (this.treatFunctionsAsVar) + { redeclared = scope$2.lexical.indexOf(name) > -1; } + else + { redeclared = scope$2.lexical.indexOf(name) > -1 || scope$2.var.indexOf(name) > -1; } + scope$2.functions.push(name); + } else { + for (var i = this.scopeStack.length - 1; i >= 0; --i) { + var scope$3 = this.scopeStack[i]; + if (scope$3.lexical.indexOf(name) > -1 && !((scope$3.flags & SCOPE_SIMPLE_CATCH) && scope$3.lexical[0] === name) || + !this.treatFunctionsAsVarInScope(scope$3) && scope$3.functions.indexOf(name) > -1) { + redeclared = true; + break + } + scope$3.var.push(name); + if (this.inModule && (scope$3.flags & SCOPE_TOP)) + { delete this.undefinedExports[name]; } + if (scope$3.flags & SCOPE_VAR) { break } + } + } + if (redeclared) { this.raiseRecoverable(pos, ("Identifier '" + name + "' has already been declared")); } + }; + + pp$3.checkLocalExport = function(id) { + // scope.functions must be empty as Module code is always strict. + if (this.scopeStack[0].lexical.indexOf(id.name) === -1 && + this.scopeStack[0].var.indexOf(id.name) === -1) { + this.undefinedExports[id.name] = id; + } + }; + + pp$3.currentScope = function() { + return this.scopeStack[this.scopeStack.length - 1] + }; + + pp$3.currentVarScope = function() { + for (var i = this.scopeStack.length - 1;; i--) { + var scope = this.scopeStack[i]; + if (scope.flags & (SCOPE_VAR | SCOPE_CLASS_FIELD_INIT | SCOPE_CLASS_STATIC_BLOCK)) { return scope } + } + }; + + // Could be useful for `this`, `new.target`, `super()`, `super.property`, and `super[property]`. + pp$3.currentThisScope = function() { + for (var i = this.scopeStack.length - 1;; i--) { + var scope = this.scopeStack[i]; + if (scope.flags & (SCOPE_VAR | SCOPE_CLASS_FIELD_INIT | SCOPE_CLASS_STATIC_BLOCK) && + !(scope.flags & SCOPE_ARROW)) { return scope } + } + }; + + var Node = function Node(parser, pos, loc) { + this.type = ""; + this.start = pos; + this.end = 0; + if (parser.options.locations) + { this.loc = new SourceLocation(parser, loc); } + if (parser.options.directSourceFile) + { this.sourceFile = parser.options.directSourceFile; } + if (parser.options.ranges) + { this.range = [pos, 0]; } + }; + + // Start an AST node, attaching a start offset. + + var pp$2 = Parser.prototype; + + pp$2.startNode = function() { + return new Node(this, this.start, this.startLoc) + }; + + pp$2.startNodeAt = function(pos, loc) { + return new Node(this, pos, loc) + }; + + // Finish an AST node, adding `type` and `end` properties. + + function finishNodeAt(node, type, pos, loc) { + node.type = type; + node.end = pos; + if (this.options.locations) + { node.loc.end = loc; } + if (this.options.ranges) + { node.range[1] = pos; } + return node + } + + pp$2.finishNode = function(node, type) { + return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc) + }; + + // Finish node at given position + + pp$2.finishNodeAt = function(node, type, pos, loc) { + return finishNodeAt.call(this, node, type, pos, loc) + }; + + pp$2.copyNode = function(node) { + var newNode = new Node(this, node.start, this.startLoc); + for (var prop in node) { newNode[prop] = node[prop]; } + return newNode + }; + + // This file was generated by "bin/generate-unicode-script-values.js". Do not modify manually! + var scriptValuesAddedInUnicode = "Gara Garay Gukh Gurung_Khema Hrkt Katakana_Or_Hiragana Kawi Kirat_Rai Krai Nag_Mundari Nagm Ol_Onal Onao Sunu Sunuwar Todhri Todr Tulu_Tigalari Tutg Unknown Zzzz"; + + // This file contains Unicode properties extracted from the ECMAScript specification. + // The lists are extracted like so: + // $$('#table-binary-unicode-properties > figure > table > tbody > tr > td:nth-child(1) code').map(el => el.innerText) + + // #table-binary-unicode-properties + var ecma9BinaryProperties = "ASCII ASCII_Hex_Digit AHex Alphabetic Alpha Any Assigned Bidi_Control Bidi_C Bidi_Mirrored Bidi_M Case_Ignorable CI Cased Changes_When_Casefolded CWCF Changes_When_Casemapped CWCM Changes_When_Lowercased CWL Changes_When_NFKC_Casefolded CWKCF Changes_When_Titlecased CWT Changes_When_Uppercased CWU Dash Default_Ignorable_Code_Point DI Deprecated Dep Diacritic Dia Emoji Emoji_Component Emoji_Modifier Emoji_Modifier_Base Emoji_Presentation Extender Ext Grapheme_Base Gr_Base Grapheme_Extend Gr_Ext Hex_Digit Hex IDS_Binary_Operator IDSB IDS_Trinary_Operator IDST ID_Continue IDC ID_Start IDS Ideographic Ideo Join_Control Join_C Logical_Order_Exception LOE Lowercase Lower Math Noncharacter_Code_Point NChar Pattern_Syntax Pat_Syn Pattern_White_Space Pat_WS Quotation_Mark QMark Radical Regional_Indicator RI Sentence_Terminal STerm Soft_Dotted SD Terminal_Punctuation Term Unified_Ideograph UIdeo Uppercase Upper Variation_Selector VS White_Space space XID_Continue XIDC XID_Start XIDS"; + var ecma10BinaryProperties = ecma9BinaryProperties + " Extended_Pictographic"; + var ecma11BinaryProperties = ecma10BinaryProperties; + var ecma12BinaryProperties = ecma11BinaryProperties + " EBase EComp EMod EPres ExtPict"; + var ecma13BinaryProperties = ecma12BinaryProperties; + var ecma14BinaryProperties = ecma13BinaryProperties; + + var unicodeBinaryProperties = { + 9: ecma9BinaryProperties, + 10: ecma10BinaryProperties, + 11: ecma11BinaryProperties, + 12: ecma12BinaryProperties, + 13: ecma13BinaryProperties, + 14: ecma14BinaryProperties + }; + + // #table-binary-unicode-properties-of-strings + var ecma14BinaryPropertiesOfStrings = "Basic_Emoji Emoji_Keycap_Sequence RGI_Emoji_Modifier_Sequence RGI_Emoji_Flag_Sequence RGI_Emoji_Tag_Sequence RGI_Emoji_ZWJ_Sequence RGI_Emoji"; + + var unicodeBinaryPropertiesOfStrings = { + 9: "", + 10: "", + 11: "", + 12: "", + 13: "", + 14: ecma14BinaryPropertiesOfStrings + }; + + // #table-unicode-general-category-values + var unicodeGeneralCategoryValues = "Cased_Letter LC Close_Punctuation Pe Connector_Punctuation Pc Control Cc cntrl Currency_Symbol Sc Dash_Punctuation Pd Decimal_Number Nd digit Enclosing_Mark Me Final_Punctuation Pf Format Cf Initial_Punctuation Pi Letter L Letter_Number Nl Line_Separator Zl Lowercase_Letter Ll Mark M Combining_Mark Math_Symbol Sm Modifier_Letter Lm Modifier_Symbol Sk Nonspacing_Mark Mn Number N Open_Punctuation Ps Other C Other_Letter Lo Other_Number No Other_Punctuation Po Other_Symbol So Paragraph_Separator Zp Private_Use Co Punctuation P punct Separator Z Space_Separator Zs Spacing_Mark Mc Surrogate Cs Symbol S Titlecase_Letter Lt Unassigned Cn Uppercase_Letter Lu"; + + // #table-unicode-script-values + var ecma9ScriptValues = "Adlam Adlm Ahom Anatolian_Hieroglyphs Hluw Arabic Arab Armenian Armn Avestan Avst Balinese Bali Bamum Bamu Bassa_Vah Bass Batak Batk Bengali Beng Bhaiksuki Bhks Bopomofo Bopo Brahmi Brah Braille Brai Buginese Bugi Buhid Buhd Canadian_Aboriginal Cans Carian Cari Caucasian_Albanian Aghb Chakma Cakm Cham Cham Cherokee Cher Common Zyyy Coptic Copt Qaac Cuneiform Xsux Cypriot Cprt Cyrillic Cyrl Deseret Dsrt Devanagari Deva Duployan Dupl Egyptian_Hieroglyphs Egyp Elbasan Elba Ethiopic Ethi Georgian Geor Glagolitic Glag Gothic Goth Grantha Gran Greek Grek Gujarati Gujr Gurmukhi Guru Han Hani Hangul Hang Hanunoo Hano Hatran Hatr Hebrew Hebr Hiragana Hira Imperial_Aramaic Armi Inherited Zinh Qaai Inscriptional_Pahlavi Phli Inscriptional_Parthian Prti Javanese Java Kaithi Kthi Kannada Knda Katakana Kana Kayah_Li Kali Kharoshthi Khar Khmer Khmr Khojki Khoj Khudawadi Sind Lao Laoo Latin Latn Lepcha Lepc Limbu Limb Linear_A Lina Linear_B Linb Lisu Lisu Lycian Lyci Lydian Lydi Mahajani Mahj Malayalam Mlym Mandaic Mand Manichaean Mani Marchen Marc Masaram_Gondi Gonm Meetei_Mayek Mtei Mende_Kikakui Mend Meroitic_Cursive Merc Meroitic_Hieroglyphs Mero Miao Plrd Modi Mongolian Mong Mro Mroo Multani Mult Myanmar Mymr Nabataean Nbat New_Tai_Lue Talu Newa Newa Nko Nkoo Nushu Nshu Ogham Ogam Ol_Chiki Olck Old_Hungarian Hung Old_Italic Ital Old_North_Arabian Narb Old_Permic Perm Old_Persian Xpeo Old_South_Arabian Sarb Old_Turkic Orkh Oriya Orya Osage Osge Osmanya Osma Pahawh_Hmong Hmng Palmyrene Palm Pau_Cin_Hau Pauc Phags_Pa Phag Phoenician Phnx Psalter_Pahlavi Phlp Rejang Rjng Runic Runr Samaritan Samr Saurashtra Saur Sharada Shrd Shavian Shaw Siddham Sidd SignWriting Sgnw Sinhala Sinh Sora_Sompeng Sora Soyombo Soyo Sundanese Sund Syloti_Nagri Sylo Syriac Syrc Tagalog Tglg Tagbanwa Tagb Tai_Le Tale Tai_Tham Lana Tai_Viet Tavt Takri Takr Tamil Taml Tangut Tang Telugu Telu Thaana Thaa Thai Thai Tibetan Tibt Tifinagh Tfng Tirhuta Tirh Ugaritic Ugar Vai Vaii Warang_Citi Wara Yi Yiii Zanabazar_Square Zanb"; + var ecma10ScriptValues = ecma9ScriptValues + " Dogra Dogr Gunjala_Gondi Gong Hanifi_Rohingya Rohg Makasar Maka Medefaidrin Medf Old_Sogdian Sogo Sogdian Sogd"; + var ecma11ScriptValues = ecma10ScriptValues + " Elymaic Elym Nandinagari Nand Nyiakeng_Puachue_Hmong Hmnp Wancho Wcho"; + var ecma12ScriptValues = ecma11ScriptValues + " Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi"; + var ecma13ScriptValues = ecma12ScriptValues + " Cypro_Minoan Cpmn Old_Uyghur Ougr Tangsa Tnsa Toto Vithkuqi Vith"; + var ecma14ScriptValues = ecma13ScriptValues + " " + scriptValuesAddedInUnicode; + + var unicodeScriptValues = { + 9: ecma9ScriptValues, + 10: ecma10ScriptValues, + 11: ecma11ScriptValues, + 12: ecma12ScriptValues, + 13: ecma13ScriptValues, + 14: ecma14ScriptValues + }; + + var data = {}; + function buildUnicodeData(ecmaVersion) { + var d = data[ecmaVersion] = { + binary: wordsRegexp(unicodeBinaryProperties[ecmaVersion] + " " + unicodeGeneralCategoryValues), + binaryOfStrings: wordsRegexp(unicodeBinaryPropertiesOfStrings[ecmaVersion]), + nonBinary: { + General_Category: wordsRegexp(unicodeGeneralCategoryValues), + Script: wordsRegexp(unicodeScriptValues[ecmaVersion]) + } + }; + d.nonBinary.Script_Extensions = d.nonBinary.Script; + + d.nonBinary.gc = d.nonBinary.General_Category; + d.nonBinary.sc = d.nonBinary.Script; + d.nonBinary.scx = d.nonBinary.Script_Extensions; + } + + for (var i = 0, list = [9, 10, 11, 12, 13, 14]; i < list.length; i += 1) { + var ecmaVersion = list[i]; + + buildUnicodeData(ecmaVersion); + } + + var pp$1 = Parser.prototype; + + // Track disjunction structure to determine whether a duplicate + // capture group name is allowed because it is in a separate branch. + var BranchID = function BranchID(parent, base) { + // Parent disjunction branch + this.parent = parent; + // Identifies this set of sibling branches + this.base = base || this; + }; + + BranchID.prototype.separatedFrom = function separatedFrom (alt) { + // A branch is separate from another branch if they or any of + // their parents are siblings in a given disjunction + for (var self = this; self; self = self.parent) { + for (var other = alt; other; other = other.parent) { + if (self.base === other.base && self !== other) { return true } + } + } + return false + }; + + BranchID.prototype.sibling = function sibling () { + return new BranchID(this.parent, this.base) + }; + + var RegExpValidationState = function RegExpValidationState(parser) { + this.parser = parser; + this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "") + (parser.options.ecmaVersion >= 13 ? "d" : "") + (parser.options.ecmaVersion >= 15 ? "v" : ""); + this.unicodeProperties = data[parser.options.ecmaVersion >= 14 ? 14 : parser.options.ecmaVersion]; + this.source = ""; + this.flags = ""; + this.start = 0; + this.switchU = false; + this.switchV = false; + this.switchN = false; + this.pos = 0; + this.lastIntValue = 0; + this.lastStringValue = ""; + this.lastAssertionIsQuantifiable = false; + this.numCapturingParens = 0; + this.maxBackReference = 0; + this.groupNames = Object.create(null); + this.backReferenceNames = []; + this.branchID = null; + }; + + RegExpValidationState.prototype.reset = function reset (start, pattern, flags) { + var unicodeSets = flags.indexOf("v") !== -1; + var unicode = flags.indexOf("u") !== -1; + this.start = start | 0; + this.source = pattern + ""; + this.flags = flags; + if (unicodeSets && this.parser.options.ecmaVersion >= 15) { + this.switchU = true; + this.switchV = true; + this.switchN = true; + } else { + this.switchU = unicode && this.parser.options.ecmaVersion >= 6; + this.switchV = false; + this.switchN = unicode && this.parser.options.ecmaVersion >= 9; + } + }; + + RegExpValidationState.prototype.raise = function raise (message) { + this.parser.raiseRecoverable(this.start, ("Invalid regular expression: /" + (this.source) + "/: " + message)); + }; + + // If u flag is given, this returns the code point at the index (it combines a surrogate pair). + // Otherwise, this returns the code unit of the index (can be a part of a surrogate pair). + RegExpValidationState.prototype.at = function at (i, forceU) { + if ( forceU === void 0 ) forceU = false; + + var s = this.source; + var l = s.length; + if (i >= l) { + return -1 + } + var c = s.charCodeAt(i); + if (!(forceU || this.switchU) || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l) { + return c + } + var next = s.charCodeAt(i + 1); + return next >= 0xDC00 && next <= 0xDFFF ? (c << 10) + next - 0x35FDC00 : c + }; + + RegExpValidationState.prototype.nextIndex = function nextIndex (i, forceU) { + if ( forceU === void 0 ) forceU = false; + + var s = this.source; + var l = s.length; + if (i >= l) { + return l + } + var c = s.charCodeAt(i), next; + if (!(forceU || this.switchU) || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l || + (next = s.charCodeAt(i + 1)) < 0xDC00 || next > 0xDFFF) { + return i + 1 + } + return i + 2 + }; + + RegExpValidationState.prototype.current = function current (forceU) { + if ( forceU === void 0 ) forceU = false; + + return this.at(this.pos, forceU) + }; + + RegExpValidationState.prototype.lookahead = function lookahead (forceU) { + if ( forceU === void 0 ) forceU = false; + + return this.at(this.nextIndex(this.pos, forceU), forceU) + }; + + RegExpValidationState.prototype.advance = function advance (forceU) { + if ( forceU === void 0 ) forceU = false; + + this.pos = this.nextIndex(this.pos, forceU); + }; + + RegExpValidationState.prototype.eat = function eat (ch, forceU) { + if ( forceU === void 0 ) forceU = false; + + if (this.current(forceU) === ch) { + this.advance(forceU); + return true + } + return false + }; + + RegExpValidationState.prototype.eatChars = function eatChars (chs, forceU) { + if ( forceU === void 0 ) forceU = false; + + var pos = this.pos; + for (var i = 0, list = chs; i < list.length; i += 1) { + var ch = list[i]; + + var current = this.at(pos, forceU); + if (current === -1 || current !== ch) { + return false + } + pos = this.nextIndex(pos, forceU); + } + this.pos = pos; + return true + }; + + /** + * Validate the flags part of a given RegExpLiteral. + * + * @param {RegExpValidationState} state The state to validate RegExp. + * @returns {void} + */ + pp$1.validateRegExpFlags = function(state) { + var validFlags = state.validFlags; + var flags = state.flags; + + var u = false; + var v = false; + + for (var i = 0; i < flags.length; i++) { + var flag = flags.charAt(i); + if (validFlags.indexOf(flag) === -1) { + this.raise(state.start, "Invalid regular expression flag"); + } + if (flags.indexOf(flag, i + 1) > -1) { + this.raise(state.start, "Duplicate regular expression flag"); + } + if (flag === "u") { u = true; } + if (flag === "v") { v = true; } + } + if (this.options.ecmaVersion >= 15 && u && v) { + this.raise(state.start, "Invalid regular expression flag"); + } + }; + + function hasProp(obj) { + for (var _ in obj) { return true } + return false + } + + /** + * Validate the pattern part of a given RegExpLiteral. + * + * @param {RegExpValidationState} state The state to validate RegExp. + * @returns {void} + */ + pp$1.validateRegExpPattern = function(state) { + this.regexp_pattern(state); + + // The goal symbol for the parse is |Pattern[~U, ~N]|. If the result of + // parsing contains a |GroupName|, reparse with the goal symbol + // |Pattern[~U, +N]| and use this result instead. Throw a *SyntaxError* + // exception if _P_ did not conform to the grammar, if any elements of _P_ + // were not matched by the parse, or if any Early Error conditions exist. + if (!state.switchN && this.options.ecmaVersion >= 9 && hasProp(state.groupNames)) { + state.switchN = true; + this.regexp_pattern(state); + } + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Pattern + pp$1.regexp_pattern = function(state) { + state.pos = 0; + state.lastIntValue = 0; + state.lastStringValue = ""; + state.lastAssertionIsQuantifiable = false; + state.numCapturingParens = 0; + state.maxBackReference = 0; + state.groupNames = Object.create(null); + state.backReferenceNames.length = 0; + state.branchID = null; + + this.regexp_disjunction(state); + + if (state.pos !== state.source.length) { + // Make the same messages as V8. + if (state.eat(0x29 /* ) */)) { + state.raise("Unmatched ')'"); + } + if (state.eat(0x5D /* ] */) || state.eat(0x7D /* } */)) { + state.raise("Lone quantifier brackets"); + } + } + if (state.maxBackReference > state.numCapturingParens) { + state.raise("Invalid escape"); + } + for (var i = 0, list = state.backReferenceNames; i < list.length; i += 1) { + var name = list[i]; + + if (!state.groupNames[name]) { + state.raise("Invalid named capture referenced"); + } + } + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Disjunction + pp$1.regexp_disjunction = function(state) { + var trackDisjunction = this.options.ecmaVersion >= 16; + if (trackDisjunction) { state.branchID = new BranchID(state.branchID, null); } + this.regexp_alternative(state); + while (state.eat(0x7C /* | */)) { + if (trackDisjunction) { state.branchID = state.branchID.sibling(); } + this.regexp_alternative(state); + } + if (trackDisjunction) { state.branchID = state.branchID.parent; } + + // Make the same message as V8. + if (this.regexp_eatQuantifier(state, true)) { + state.raise("Nothing to repeat"); + } + if (state.eat(0x7B /* { */)) { + state.raise("Lone quantifier brackets"); + } + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Alternative + pp$1.regexp_alternative = function(state) { + while (state.pos < state.source.length && this.regexp_eatTerm(state)) {} + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Term + pp$1.regexp_eatTerm = function(state) { + if (this.regexp_eatAssertion(state)) { + // Handle `QuantifiableAssertion Quantifier` alternative. + // `state.lastAssertionIsQuantifiable` is true if the last eaten Assertion + // is a QuantifiableAssertion. + if (state.lastAssertionIsQuantifiable && this.regexp_eatQuantifier(state)) { + // Make the same message as V8. + if (state.switchU) { + state.raise("Invalid quantifier"); + } + } + return true + } + + if (state.switchU ? this.regexp_eatAtom(state) : this.regexp_eatExtendedAtom(state)) { + this.regexp_eatQuantifier(state); + return true + } + + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Assertion + pp$1.regexp_eatAssertion = function(state) { + var start = state.pos; + state.lastAssertionIsQuantifiable = false; + + // ^, $ + if (state.eat(0x5E /* ^ */) || state.eat(0x24 /* $ */)) { + return true + } + + // \b \B + if (state.eat(0x5C /* \ */)) { + if (state.eat(0x42 /* B */) || state.eat(0x62 /* b */)) { + return true + } + state.pos = start; + } + + // Lookahead / Lookbehind + if (state.eat(0x28 /* ( */) && state.eat(0x3F /* ? */)) { + var lookbehind = false; + if (this.options.ecmaVersion >= 9) { + lookbehind = state.eat(0x3C /* < */); + } + if (state.eat(0x3D /* = */) || state.eat(0x21 /* ! */)) { + this.regexp_disjunction(state); + if (!state.eat(0x29 /* ) */)) { + state.raise("Unterminated group"); + } + state.lastAssertionIsQuantifiable = !lookbehind; + return true + } + } + + state.pos = start; + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Quantifier + pp$1.regexp_eatQuantifier = function(state, noError) { + if ( noError === void 0 ) noError = false; + + if (this.regexp_eatQuantifierPrefix(state, noError)) { + state.eat(0x3F /* ? */); + return true + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-QuantifierPrefix + pp$1.regexp_eatQuantifierPrefix = function(state, noError) { + return ( + state.eat(0x2A /* * */) || + state.eat(0x2B /* + */) || + state.eat(0x3F /* ? */) || + this.regexp_eatBracedQuantifier(state, noError) + ) + }; + pp$1.regexp_eatBracedQuantifier = function(state, noError) { + var start = state.pos; + if (state.eat(0x7B /* { */)) { + var min = 0, max = -1; + if (this.regexp_eatDecimalDigits(state)) { + min = state.lastIntValue; + if (state.eat(0x2C /* , */) && this.regexp_eatDecimalDigits(state)) { + max = state.lastIntValue; + } + if (state.eat(0x7D /* } */)) { + // SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-term + if (max !== -1 && max < min && !noError) { + state.raise("numbers out of order in {} quantifier"); + } + return true + } + } + if (state.switchU && !noError) { + state.raise("Incomplete quantifier"); + } + state.pos = start; + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Atom + pp$1.regexp_eatAtom = function(state) { + return ( + this.regexp_eatPatternCharacters(state) || + state.eat(0x2E /* . */) || + this.regexp_eatReverseSolidusAtomEscape(state) || + this.regexp_eatCharacterClass(state) || + this.regexp_eatUncapturingGroup(state) || + this.regexp_eatCapturingGroup(state) + ) + }; + pp$1.regexp_eatReverseSolidusAtomEscape = function(state) { + var start = state.pos; + if (state.eat(0x5C /* \ */)) { + if (this.regexp_eatAtomEscape(state)) { + return true + } + state.pos = start; + } + return false + }; + pp$1.regexp_eatUncapturingGroup = function(state) { + var start = state.pos; + if (state.eat(0x28 /* ( */)) { + if (state.eat(0x3F /* ? */)) { + if (this.options.ecmaVersion >= 16) { + var addModifiers = this.regexp_eatModifiers(state); + var hasHyphen = state.eat(0x2D /* - */); + if (addModifiers || hasHyphen) { + for (var i = 0; i < addModifiers.length; i++) { + var modifier = addModifiers.charAt(i); + if (addModifiers.indexOf(modifier, i + 1) > -1) { + state.raise("Duplicate regular expression modifiers"); + } + } + if (hasHyphen) { + var removeModifiers = this.regexp_eatModifiers(state); + if (!addModifiers && !removeModifiers && state.current() === 0x3A /* : */) { + state.raise("Invalid regular expression modifiers"); + } + for (var i$1 = 0; i$1 < removeModifiers.length; i$1++) { + var modifier$1 = removeModifiers.charAt(i$1); + if ( + removeModifiers.indexOf(modifier$1, i$1 + 1) > -1 || + addModifiers.indexOf(modifier$1) > -1 + ) { + state.raise("Duplicate regular expression modifiers"); + } + } + } + } + } + if (state.eat(0x3A /* : */)) { + this.regexp_disjunction(state); + if (state.eat(0x29 /* ) */)) { + return true + } + state.raise("Unterminated group"); + } + } + state.pos = start; + } + return false + }; + pp$1.regexp_eatCapturingGroup = function(state) { + if (state.eat(0x28 /* ( */)) { + if (this.options.ecmaVersion >= 9) { + this.regexp_groupSpecifier(state); + } else if (state.current() === 0x3F /* ? */) { + state.raise("Invalid group"); + } + this.regexp_disjunction(state); + if (state.eat(0x29 /* ) */)) { + state.numCapturingParens += 1; + return true + } + state.raise("Unterminated group"); + } + return false + }; + // RegularExpressionModifiers :: + // [empty] + // RegularExpressionModifiers RegularExpressionModifier + pp$1.regexp_eatModifiers = function(state) { + var modifiers = ""; + var ch = 0; + while ((ch = state.current()) !== -1 && isRegularExpressionModifier(ch)) { + modifiers += codePointToString(ch); + state.advance(); + } + return modifiers + }; + // RegularExpressionModifier :: one of + // `i` `m` `s` + function isRegularExpressionModifier(ch) { + return ch === 0x69 /* i */ || ch === 0x6d /* m */ || ch === 0x73 /* s */ + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedAtom + pp$1.regexp_eatExtendedAtom = function(state) { + return ( + state.eat(0x2E /* . */) || + this.regexp_eatReverseSolidusAtomEscape(state) || + this.regexp_eatCharacterClass(state) || + this.regexp_eatUncapturingGroup(state) || + this.regexp_eatCapturingGroup(state) || + this.regexp_eatInvalidBracedQuantifier(state) || + this.regexp_eatExtendedPatternCharacter(state) + ) + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-InvalidBracedQuantifier + pp$1.regexp_eatInvalidBracedQuantifier = function(state) { + if (this.regexp_eatBracedQuantifier(state, true)) { + state.raise("Nothing to repeat"); + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-SyntaxCharacter + pp$1.regexp_eatSyntaxCharacter = function(state) { + var ch = state.current(); + if (isSyntaxCharacter(ch)) { + state.lastIntValue = ch; + state.advance(); + return true + } + return false + }; + function isSyntaxCharacter(ch) { + return ( + ch === 0x24 /* $ */ || + ch >= 0x28 /* ( */ && ch <= 0x2B /* + */ || + ch === 0x2E /* . */ || + ch === 0x3F /* ? */ || + ch >= 0x5B /* [ */ && ch <= 0x5E /* ^ */ || + ch >= 0x7B /* { */ && ch <= 0x7D /* } */ + ) + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-PatternCharacter + // But eat eager. + pp$1.regexp_eatPatternCharacters = function(state) { + var start = state.pos; + var ch = 0; + while ((ch = state.current()) !== -1 && !isSyntaxCharacter(ch)) { + state.advance(); + } + return state.pos !== start + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedPatternCharacter + pp$1.regexp_eatExtendedPatternCharacter = function(state) { + var ch = state.current(); + if ( + ch !== -1 && + ch !== 0x24 /* $ */ && + !(ch >= 0x28 /* ( */ && ch <= 0x2B /* + */) && + ch !== 0x2E /* . */ && + ch !== 0x3F /* ? */ && + ch !== 0x5B /* [ */ && + ch !== 0x5E /* ^ */ && + ch !== 0x7C /* | */ + ) { + state.advance(); + return true + } + return false + }; + + // GroupSpecifier :: + // [empty] + // `?` GroupName + pp$1.regexp_groupSpecifier = function(state) { + if (state.eat(0x3F /* ? */)) { + if (!this.regexp_eatGroupName(state)) { state.raise("Invalid group"); } + var trackDisjunction = this.options.ecmaVersion >= 16; + var known = state.groupNames[state.lastStringValue]; + if (known) { + if (trackDisjunction) { + for (var i = 0, list = known; i < list.length; i += 1) { + var altID = list[i]; + + if (!altID.separatedFrom(state.branchID)) + { state.raise("Duplicate capture group name"); } + } + } else { + state.raise("Duplicate capture group name"); + } + } + if (trackDisjunction) { + (known || (state.groupNames[state.lastStringValue] = [])).push(state.branchID); + } else { + state.groupNames[state.lastStringValue] = true; + } + } + }; + + // GroupName :: + // `<` RegExpIdentifierName `>` + // Note: this updates `state.lastStringValue` property with the eaten name. + pp$1.regexp_eatGroupName = function(state) { + state.lastStringValue = ""; + if (state.eat(0x3C /* < */)) { + if (this.regexp_eatRegExpIdentifierName(state) && state.eat(0x3E /* > */)) { + return true + } + state.raise("Invalid capture group name"); + } + return false + }; + + // RegExpIdentifierName :: + // RegExpIdentifierStart + // RegExpIdentifierName RegExpIdentifierPart + // Note: this updates `state.lastStringValue` property with the eaten name. + pp$1.regexp_eatRegExpIdentifierName = function(state) { + state.lastStringValue = ""; + if (this.regexp_eatRegExpIdentifierStart(state)) { + state.lastStringValue += codePointToString(state.lastIntValue); + while (this.regexp_eatRegExpIdentifierPart(state)) { + state.lastStringValue += codePointToString(state.lastIntValue); + } + return true + } + return false + }; + + // RegExpIdentifierStart :: + // UnicodeIDStart + // `$` + // `_` + // `\` RegExpUnicodeEscapeSequence[+U] + pp$1.regexp_eatRegExpIdentifierStart = function(state) { + var start = state.pos; + var forceU = this.options.ecmaVersion >= 11; + var ch = state.current(forceU); + state.advance(forceU); + + if (ch === 0x5C /* \ */ && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) { + ch = state.lastIntValue; + } + if (isRegExpIdentifierStart(ch)) { + state.lastIntValue = ch; + return true + } + + state.pos = start; + return false + }; + function isRegExpIdentifierStart(ch) { + return isIdentifierStart(ch, true) || ch === 0x24 /* $ */ || ch === 0x5F /* _ */ + } + + // RegExpIdentifierPart :: + // UnicodeIDContinue + // `$` + // `_` + // `\` RegExpUnicodeEscapeSequence[+U] + // + // + pp$1.regexp_eatRegExpIdentifierPart = function(state) { + var start = state.pos; + var forceU = this.options.ecmaVersion >= 11; + var ch = state.current(forceU); + state.advance(forceU); + + if (ch === 0x5C /* \ */ && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) { + ch = state.lastIntValue; + } + if (isRegExpIdentifierPart(ch)) { + state.lastIntValue = ch; + return true + } + + state.pos = start; + return false + }; + function isRegExpIdentifierPart(ch) { + return isIdentifierChar(ch, true) || ch === 0x24 /* $ */ || ch === 0x5F /* _ */ || ch === 0x200C /* */ || ch === 0x200D /* */ + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-AtomEscape + pp$1.regexp_eatAtomEscape = function(state) { + if ( + this.regexp_eatBackReference(state) || + this.regexp_eatCharacterClassEscape(state) || + this.regexp_eatCharacterEscape(state) || + (state.switchN && this.regexp_eatKGroupName(state)) + ) { + return true + } + if (state.switchU) { + // Make the same message as V8. + if (state.current() === 0x63 /* c */) { + state.raise("Invalid unicode escape"); + } + state.raise("Invalid escape"); + } + return false + }; + pp$1.regexp_eatBackReference = function(state) { + var start = state.pos; + if (this.regexp_eatDecimalEscape(state)) { + var n = state.lastIntValue; + if (state.switchU) { + // For SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-atomescape + if (n > state.maxBackReference) { + state.maxBackReference = n; + } + return true + } + if (n <= state.numCapturingParens) { + return true + } + state.pos = start; + } + return false + }; + pp$1.regexp_eatKGroupName = function(state) { + if (state.eat(0x6B /* k */)) { + if (this.regexp_eatGroupName(state)) { + state.backReferenceNames.push(state.lastStringValue); + return true + } + state.raise("Invalid named reference"); + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-CharacterEscape + pp$1.regexp_eatCharacterEscape = function(state) { + return ( + this.regexp_eatControlEscape(state) || + this.regexp_eatCControlLetter(state) || + this.regexp_eatZero(state) || + this.regexp_eatHexEscapeSequence(state) || + this.regexp_eatRegExpUnicodeEscapeSequence(state, false) || + (!state.switchU && this.regexp_eatLegacyOctalEscapeSequence(state)) || + this.regexp_eatIdentityEscape(state) + ) + }; + pp$1.regexp_eatCControlLetter = function(state) { + var start = state.pos; + if (state.eat(0x63 /* c */)) { + if (this.regexp_eatControlLetter(state)) { + return true + } + state.pos = start; + } + return false + }; + pp$1.regexp_eatZero = function(state) { + if (state.current() === 0x30 /* 0 */ && !isDecimalDigit(state.lookahead())) { + state.lastIntValue = 0; + state.advance(); + return true + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-ControlEscape + pp$1.regexp_eatControlEscape = function(state) { + var ch = state.current(); + if (ch === 0x74 /* t */) { + state.lastIntValue = 0x09; /* \t */ + state.advance(); + return true + } + if (ch === 0x6E /* n */) { + state.lastIntValue = 0x0A; /* \n */ + state.advance(); + return true + } + if (ch === 0x76 /* v */) { + state.lastIntValue = 0x0B; /* \v */ + state.advance(); + return true + } + if (ch === 0x66 /* f */) { + state.lastIntValue = 0x0C; /* \f */ + state.advance(); + return true + } + if (ch === 0x72 /* r */) { + state.lastIntValue = 0x0D; /* \r */ + state.advance(); + return true + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-ControlLetter + pp$1.regexp_eatControlLetter = function(state) { + var ch = state.current(); + if (isControlLetter(ch)) { + state.lastIntValue = ch % 0x20; + state.advance(); + return true + } + return false + }; + function isControlLetter(ch) { + return ( + (ch >= 0x41 /* A */ && ch <= 0x5A /* Z */) || + (ch >= 0x61 /* a */ && ch <= 0x7A /* z */) + ) + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-RegExpUnicodeEscapeSequence + pp$1.regexp_eatRegExpUnicodeEscapeSequence = function(state, forceU) { + if ( forceU === void 0 ) forceU = false; + + var start = state.pos; + var switchU = forceU || state.switchU; + + if (state.eat(0x75 /* u */)) { + if (this.regexp_eatFixedHexDigits(state, 4)) { + var lead = state.lastIntValue; + if (switchU && lead >= 0xD800 && lead <= 0xDBFF) { + var leadSurrogateEnd = state.pos; + if (state.eat(0x5C /* \ */) && state.eat(0x75 /* u */) && this.regexp_eatFixedHexDigits(state, 4)) { + var trail = state.lastIntValue; + if (trail >= 0xDC00 && trail <= 0xDFFF) { + state.lastIntValue = (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000; + return true + } + } + state.pos = leadSurrogateEnd; + state.lastIntValue = lead; + } + return true + } + if ( + switchU && + state.eat(0x7B /* { */) && + this.regexp_eatHexDigits(state) && + state.eat(0x7D /* } */) && + isValidUnicode(state.lastIntValue) + ) { + return true + } + if (switchU) { + state.raise("Invalid unicode escape"); + } + state.pos = start; + } + + return false + }; + function isValidUnicode(ch) { + return ch >= 0 && ch <= 0x10FFFF + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-IdentityEscape + pp$1.regexp_eatIdentityEscape = function(state) { + if (state.switchU) { + if (this.regexp_eatSyntaxCharacter(state)) { + return true + } + if (state.eat(0x2F /* / */)) { + state.lastIntValue = 0x2F; /* / */ + return true + } + return false + } + + var ch = state.current(); + if (ch !== 0x63 /* c */ && (!state.switchN || ch !== 0x6B /* k */)) { + state.lastIntValue = ch; + state.advance(); + return true + } + + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalEscape + pp$1.regexp_eatDecimalEscape = function(state) { + state.lastIntValue = 0; + var ch = state.current(); + if (ch >= 0x31 /* 1 */ && ch <= 0x39 /* 9 */) { + do { + state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 /* 0 */); + state.advance(); + } while ((ch = state.current()) >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */) + return true + } + return false + }; + + // Return values used by character set parsing methods, needed to + // forbid negation of sets that can match strings. + var CharSetNone = 0; // Nothing parsed + var CharSetOk = 1; // Construct parsed, cannot contain strings + var CharSetString = 2; // Construct parsed, can contain strings + + // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClassEscape + pp$1.regexp_eatCharacterClassEscape = function(state) { + var ch = state.current(); + + if (isCharacterClassEscape(ch)) { + state.lastIntValue = -1; + state.advance(); + return CharSetOk + } + + var negate = false; + if ( + state.switchU && + this.options.ecmaVersion >= 9 && + ((negate = ch === 0x50 /* P */) || ch === 0x70 /* p */) + ) { + state.lastIntValue = -1; + state.advance(); + var result; + if ( + state.eat(0x7B /* { */) && + (result = this.regexp_eatUnicodePropertyValueExpression(state)) && + state.eat(0x7D /* } */) + ) { + if (negate && result === CharSetString) { state.raise("Invalid property name"); } + return result + } + state.raise("Invalid property name"); + } + + return CharSetNone + }; + + function isCharacterClassEscape(ch) { + return ( + ch === 0x64 /* d */ || + ch === 0x44 /* D */ || + ch === 0x73 /* s */ || + ch === 0x53 /* S */ || + ch === 0x77 /* w */ || + ch === 0x57 /* W */ + ) + } + + // UnicodePropertyValueExpression :: + // UnicodePropertyName `=` UnicodePropertyValue + // LoneUnicodePropertyNameOrValue + pp$1.regexp_eatUnicodePropertyValueExpression = function(state) { + var start = state.pos; + + // UnicodePropertyName `=` UnicodePropertyValue + if (this.regexp_eatUnicodePropertyName(state) && state.eat(0x3D /* = */)) { + var name = state.lastStringValue; + if (this.regexp_eatUnicodePropertyValue(state)) { + var value = state.lastStringValue; + this.regexp_validateUnicodePropertyNameAndValue(state, name, value); + return CharSetOk + } + } + state.pos = start; + + // LoneUnicodePropertyNameOrValue + if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) { + var nameOrValue = state.lastStringValue; + return this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue) + } + return CharSetNone + }; + + pp$1.regexp_validateUnicodePropertyNameAndValue = function(state, name, value) { + if (!hasOwn(state.unicodeProperties.nonBinary, name)) + { state.raise("Invalid property name"); } + if (!state.unicodeProperties.nonBinary[name].test(value)) + { state.raise("Invalid property value"); } + }; + + pp$1.regexp_validateUnicodePropertyNameOrValue = function(state, nameOrValue) { + if (state.unicodeProperties.binary.test(nameOrValue)) { return CharSetOk } + if (state.switchV && state.unicodeProperties.binaryOfStrings.test(nameOrValue)) { return CharSetString } + state.raise("Invalid property name"); + }; + + // UnicodePropertyName :: + // UnicodePropertyNameCharacters + pp$1.regexp_eatUnicodePropertyName = function(state) { + var ch = 0; + state.lastStringValue = ""; + while (isUnicodePropertyNameCharacter(ch = state.current())) { + state.lastStringValue += codePointToString(ch); + state.advance(); + } + return state.lastStringValue !== "" + }; + + function isUnicodePropertyNameCharacter(ch) { + return isControlLetter(ch) || ch === 0x5F /* _ */ + } + + // UnicodePropertyValue :: + // UnicodePropertyValueCharacters + pp$1.regexp_eatUnicodePropertyValue = function(state) { + var ch = 0; + state.lastStringValue = ""; + while (isUnicodePropertyValueCharacter(ch = state.current())) { + state.lastStringValue += codePointToString(ch); + state.advance(); + } + return state.lastStringValue !== "" + }; + function isUnicodePropertyValueCharacter(ch) { + return isUnicodePropertyNameCharacter(ch) || isDecimalDigit(ch) + } + + // LoneUnicodePropertyNameOrValue :: + // UnicodePropertyValueCharacters + pp$1.regexp_eatLoneUnicodePropertyNameOrValue = function(state) { + return this.regexp_eatUnicodePropertyValue(state) + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClass + pp$1.regexp_eatCharacterClass = function(state) { + if (state.eat(0x5B /* [ */)) { + var negate = state.eat(0x5E /* ^ */); + var result = this.regexp_classContents(state); + if (!state.eat(0x5D /* ] */)) + { state.raise("Unterminated character class"); } + if (negate && result === CharSetString) + { state.raise("Negated character class may contain strings"); } + return true + } + return false + }; + + // https://tc39.es/ecma262/#prod-ClassContents + // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassRanges + pp$1.regexp_classContents = function(state) { + if (state.current() === 0x5D /* ] */) { return CharSetOk } + if (state.switchV) { return this.regexp_classSetExpression(state) } + this.regexp_nonEmptyClassRanges(state); + return CharSetOk + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRanges + // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRangesNoDash + pp$1.regexp_nonEmptyClassRanges = function(state) { + while (this.regexp_eatClassAtom(state)) { + var left = state.lastIntValue; + if (state.eat(0x2D /* - */) && this.regexp_eatClassAtom(state)) { + var right = state.lastIntValue; + if (state.switchU && (left === -1 || right === -1)) { + state.raise("Invalid character class"); + } + if (left !== -1 && right !== -1 && left > right) { + state.raise("Range out of order in character class"); + } + } + } + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtom + // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtomNoDash + pp$1.regexp_eatClassAtom = function(state) { + var start = state.pos; + + if (state.eat(0x5C /* \ */)) { + if (this.regexp_eatClassEscape(state)) { + return true + } + if (state.switchU) { + // Make the same message as V8. + var ch$1 = state.current(); + if (ch$1 === 0x63 /* c */ || isOctalDigit(ch$1)) { + state.raise("Invalid class escape"); + } + state.raise("Invalid escape"); + } + state.pos = start; + } + + var ch = state.current(); + if (ch !== 0x5D /* ] */) { + state.lastIntValue = ch; + state.advance(); + return true + } + + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassEscape + pp$1.regexp_eatClassEscape = function(state) { + var start = state.pos; + + if (state.eat(0x62 /* b */)) { + state.lastIntValue = 0x08; /* */ + return true + } + + if (state.switchU && state.eat(0x2D /* - */)) { + state.lastIntValue = 0x2D; /* - */ + return true + } + + if (!state.switchU && state.eat(0x63 /* c */)) { + if (this.regexp_eatClassControlLetter(state)) { + return true + } + state.pos = start; + } + + return ( + this.regexp_eatCharacterClassEscape(state) || + this.regexp_eatCharacterEscape(state) + ) + }; + + // https://tc39.es/ecma262/#prod-ClassSetExpression + // https://tc39.es/ecma262/#prod-ClassUnion + // https://tc39.es/ecma262/#prod-ClassIntersection + // https://tc39.es/ecma262/#prod-ClassSubtraction + pp$1.regexp_classSetExpression = function(state) { + var result = CharSetOk, subResult; + if (this.regexp_eatClassSetRange(state)) ; else if (subResult = this.regexp_eatClassSetOperand(state)) { + if (subResult === CharSetString) { result = CharSetString; } + // https://tc39.es/ecma262/#prod-ClassIntersection + var start = state.pos; + while (state.eatChars([0x26, 0x26] /* && */)) { + if ( + state.current() !== 0x26 /* & */ && + (subResult = this.regexp_eatClassSetOperand(state)) + ) { + if (subResult !== CharSetString) { result = CharSetOk; } + continue + } + state.raise("Invalid character in character class"); + } + if (start !== state.pos) { return result } + // https://tc39.es/ecma262/#prod-ClassSubtraction + while (state.eatChars([0x2D, 0x2D] /* -- */)) { + if (this.regexp_eatClassSetOperand(state)) { continue } + state.raise("Invalid character in character class"); + } + if (start !== state.pos) { return result } + } else { + state.raise("Invalid character in character class"); + } + // https://tc39.es/ecma262/#prod-ClassUnion + for (;;) { + if (this.regexp_eatClassSetRange(state)) { continue } + subResult = this.regexp_eatClassSetOperand(state); + if (!subResult) { return result } + if (subResult === CharSetString) { result = CharSetString; } + } + }; + + // https://tc39.es/ecma262/#prod-ClassSetRange + pp$1.regexp_eatClassSetRange = function(state) { + var start = state.pos; + if (this.regexp_eatClassSetCharacter(state)) { + var left = state.lastIntValue; + if (state.eat(0x2D /* - */) && this.regexp_eatClassSetCharacter(state)) { + var right = state.lastIntValue; + if (left !== -1 && right !== -1 && left > right) { + state.raise("Range out of order in character class"); + } + return true + } + state.pos = start; + } + return false + }; + + // https://tc39.es/ecma262/#prod-ClassSetOperand + pp$1.regexp_eatClassSetOperand = function(state) { + if (this.regexp_eatClassSetCharacter(state)) { return CharSetOk } + return this.regexp_eatClassStringDisjunction(state) || this.regexp_eatNestedClass(state) + }; + + // https://tc39.es/ecma262/#prod-NestedClass + pp$1.regexp_eatNestedClass = function(state) { + var start = state.pos; + if (state.eat(0x5B /* [ */)) { + var negate = state.eat(0x5E /* ^ */); + var result = this.regexp_classContents(state); + if (state.eat(0x5D /* ] */)) { + if (negate && result === CharSetString) { + state.raise("Negated character class may contain strings"); + } + return result + } + state.pos = start; + } + if (state.eat(0x5C /* \ */)) { + var result$1 = this.regexp_eatCharacterClassEscape(state); + if (result$1) { + return result$1 + } + state.pos = start; + } + return null + }; + + // https://tc39.es/ecma262/#prod-ClassStringDisjunction + pp$1.regexp_eatClassStringDisjunction = function(state) { + var start = state.pos; + if (state.eatChars([0x5C, 0x71] /* \q */)) { + if (state.eat(0x7B /* { */)) { + var result = this.regexp_classStringDisjunctionContents(state); + if (state.eat(0x7D /* } */)) { + return result + } + } else { + // Make the same message as V8. + state.raise("Invalid escape"); + } + state.pos = start; + } + return null + }; + + // https://tc39.es/ecma262/#prod-ClassStringDisjunctionContents + pp$1.regexp_classStringDisjunctionContents = function(state) { + var result = this.regexp_classString(state); + while (state.eat(0x7C /* | */)) { + if (this.regexp_classString(state) === CharSetString) { result = CharSetString; } + } + return result + }; + + // https://tc39.es/ecma262/#prod-ClassString + // https://tc39.es/ecma262/#prod-NonEmptyClassString + pp$1.regexp_classString = function(state) { + var count = 0; + while (this.regexp_eatClassSetCharacter(state)) { count++; } + return count === 1 ? CharSetOk : CharSetString + }; + + // https://tc39.es/ecma262/#prod-ClassSetCharacter + pp$1.regexp_eatClassSetCharacter = function(state) { + var start = state.pos; + if (state.eat(0x5C /* \ */)) { + if ( + this.regexp_eatCharacterEscape(state) || + this.regexp_eatClassSetReservedPunctuator(state) + ) { + return true + } + if (state.eat(0x62 /* b */)) { + state.lastIntValue = 0x08; /* */ + return true + } + state.pos = start; + return false + } + var ch = state.current(); + if (ch < 0 || ch === state.lookahead() && isClassSetReservedDoublePunctuatorCharacter(ch)) { return false } + if (isClassSetSyntaxCharacter(ch)) { return false } + state.advance(); + state.lastIntValue = ch; + return true + }; + + // https://tc39.es/ecma262/#prod-ClassSetReservedDoublePunctuator + function isClassSetReservedDoublePunctuatorCharacter(ch) { + return ( + ch === 0x21 /* ! */ || + ch >= 0x23 /* # */ && ch <= 0x26 /* & */ || + ch >= 0x2A /* * */ && ch <= 0x2C /* , */ || + ch === 0x2E /* . */ || + ch >= 0x3A /* : */ && ch <= 0x40 /* @ */ || + ch === 0x5E /* ^ */ || + ch === 0x60 /* ` */ || + ch === 0x7E /* ~ */ + ) + } + + // https://tc39.es/ecma262/#prod-ClassSetSyntaxCharacter + function isClassSetSyntaxCharacter(ch) { + return ( + ch === 0x28 /* ( */ || + ch === 0x29 /* ) */ || + ch === 0x2D /* - */ || + ch === 0x2F /* / */ || + ch >= 0x5B /* [ */ && ch <= 0x5D /* ] */ || + ch >= 0x7B /* { */ && ch <= 0x7D /* } */ + ) + } + + // https://tc39.es/ecma262/#prod-ClassSetReservedPunctuator + pp$1.regexp_eatClassSetReservedPunctuator = function(state) { + var ch = state.current(); + if (isClassSetReservedPunctuator(ch)) { + state.lastIntValue = ch; + state.advance(); + return true + } + return false + }; + + // https://tc39.es/ecma262/#prod-ClassSetReservedPunctuator + function isClassSetReservedPunctuator(ch) { + return ( + ch === 0x21 /* ! */ || + ch === 0x23 /* # */ || + ch === 0x25 /* % */ || + ch === 0x26 /* & */ || + ch === 0x2C /* , */ || + ch === 0x2D /* - */ || + ch >= 0x3A /* : */ && ch <= 0x3E /* > */ || + ch === 0x40 /* @ */ || + ch === 0x60 /* ` */ || + ch === 0x7E /* ~ */ + ) + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassControlLetter + pp$1.regexp_eatClassControlLetter = function(state) { + var ch = state.current(); + if (isDecimalDigit(ch) || ch === 0x5F /* _ */) { + state.lastIntValue = ch % 0x20; + state.advance(); + return true + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence + pp$1.regexp_eatHexEscapeSequence = function(state) { + var start = state.pos; + if (state.eat(0x78 /* x */)) { + if (this.regexp_eatFixedHexDigits(state, 2)) { + return true + } + if (state.switchU) { + state.raise("Invalid escape"); + } + state.pos = start; + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalDigits + pp$1.regexp_eatDecimalDigits = function(state) { + var start = state.pos; + var ch = 0; + state.lastIntValue = 0; + while (isDecimalDigit(ch = state.current())) { + state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 /* 0 */); + state.advance(); + } + return state.pos !== start + }; + function isDecimalDigit(ch) { + return ch >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */ + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigits + pp$1.regexp_eatHexDigits = function(state) { + var start = state.pos; + var ch = 0; + state.lastIntValue = 0; + while (isHexDigit(ch = state.current())) { + state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); + state.advance(); + } + return state.pos !== start + }; + function isHexDigit(ch) { + return ( + (ch >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */) || + (ch >= 0x41 /* A */ && ch <= 0x46 /* F */) || + (ch >= 0x61 /* a */ && ch <= 0x66 /* f */) + ) + } + function hexToInt(ch) { + if (ch >= 0x41 /* A */ && ch <= 0x46 /* F */) { + return 10 + (ch - 0x41 /* A */) + } + if (ch >= 0x61 /* a */ && ch <= 0x66 /* f */) { + return 10 + (ch - 0x61 /* a */) + } + return ch - 0x30 /* 0 */ + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-LegacyOctalEscapeSequence + // Allows only 0-377(octal) i.e. 0-255(decimal). + pp$1.regexp_eatLegacyOctalEscapeSequence = function(state) { + if (this.regexp_eatOctalDigit(state)) { + var n1 = state.lastIntValue; + if (this.regexp_eatOctalDigit(state)) { + var n2 = state.lastIntValue; + if (n1 <= 3 && this.regexp_eatOctalDigit(state)) { + state.lastIntValue = n1 * 64 + n2 * 8 + state.lastIntValue; + } else { + state.lastIntValue = n1 * 8 + n2; + } + } else { + state.lastIntValue = n1; + } + return true + } + return false + }; + + // https://www.ecma-international.org/ecma-262/8.0/#prod-OctalDigit + pp$1.regexp_eatOctalDigit = function(state) { + var ch = state.current(); + if (isOctalDigit(ch)) { + state.lastIntValue = ch - 0x30; /* 0 */ + state.advance(); + return true + } + state.lastIntValue = 0; + return false + }; + function isOctalDigit(ch) { + return ch >= 0x30 /* 0 */ && ch <= 0x37 /* 7 */ + } + + // https://www.ecma-international.org/ecma-262/8.0/#prod-Hex4Digits + // https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigit + // And HexDigit HexDigit in https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence + pp$1.regexp_eatFixedHexDigits = function(state, length) { + var start = state.pos; + state.lastIntValue = 0; + for (var i = 0; i < length; ++i) { + var ch = state.current(); + if (!isHexDigit(ch)) { + state.pos = start; + return false + } + state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); + state.advance(); + } + return true + }; + + // Object type used to represent tokens. Note that normally, tokens + // simply exist as properties on the parser object. This is only + // used for the onToken callback and the external tokenizer. + + var Token = function Token(p) { + this.type = p.type; + this.value = p.value; + this.start = p.start; + this.end = p.end; + if (p.options.locations) + { this.loc = new SourceLocation(p, p.startLoc, p.endLoc); } + if (p.options.ranges) + { this.range = [p.start, p.end]; } + }; + + // ## Tokenizer + + var pp = Parser.prototype; + + // Move to the next token + + pp.next = function(ignoreEscapeSequenceInKeyword) { + if (!ignoreEscapeSequenceInKeyword && this.type.keyword && this.containsEsc) + { this.raiseRecoverable(this.start, "Escape sequence in keyword " + this.type.keyword); } + if (this.options.onToken) + { this.options.onToken(new Token(this)); } + + this.lastTokEnd = this.end; + this.lastTokStart = this.start; + this.lastTokEndLoc = this.endLoc; + this.lastTokStartLoc = this.startLoc; + this.nextToken(); + }; + + pp.getToken = function() { + this.next(); + return new Token(this) + }; + + // If we're in an ES6 environment, make parsers iterable + if (typeof Symbol !== "undefined") + { pp[Symbol.iterator] = function() { + var this$1$1 = this; + + return { + next: function () { + var token = this$1$1.getToken(); + return { + done: token.type === types$1.eof, + value: token + } + } + } + }; } + + // Toggle strict mode. Re-reads the next number or string to please + // pedantic tests (`"use strict"; 010;` should fail). + + // Read a single token, updating the parser object's token-related + // properties. + + pp.nextToken = function() { + var curContext = this.curContext(); + if (!curContext || !curContext.preserveSpace) { this.skipSpace(); } + + this.start = this.pos; + if (this.options.locations) { this.startLoc = this.curPosition(); } + if (this.pos >= this.input.length) { return this.finishToken(types$1.eof) } + + if (curContext.override) { return curContext.override(this) } + else { this.readToken(this.fullCharCodeAtPos()); } + }; + + pp.readToken = function(code) { + // Identifier or keyword. '\uXXXX' sequences are allowed in + // identifiers, so '\' also dispatches to that. + if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 /* '\' */) + { return this.readWord() } + + return this.getTokenFromCode(code) + }; + + pp.fullCharCodeAtPos = function() { + var code = this.input.charCodeAt(this.pos); + if (code <= 0xd7ff || code >= 0xdc00) { return code } + var next = this.input.charCodeAt(this.pos + 1); + return next <= 0xdbff || next >= 0xe000 ? code : (code << 10) + next - 0x35fdc00 + }; + + pp.skipBlockComment = function() { + var startLoc = this.options.onComment && this.curPosition(); + var start = this.pos, end = this.input.indexOf("*/", this.pos += 2); + if (end === -1) { this.raise(this.pos - 2, "Unterminated comment"); } + this.pos = end + 2; + if (this.options.locations) { + for (var nextBreak = (void 0), pos = start; (nextBreak = nextLineBreak(this.input, pos, this.pos)) > -1;) { + ++this.curLine; + pos = this.lineStart = nextBreak; + } + } + if (this.options.onComment) + { this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos, + startLoc, this.curPosition()); } + }; + + pp.skipLineComment = function(startSkip) { + var start = this.pos; + var startLoc = this.options.onComment && this.curPosition(); + var ch = this.input.charCodeAt(this.pos += startSkip); + while (this.pos < this.input.length && !isNewLine(ch)) { + ch = this.input.charCodeAt(++this.pos); + } + if (this.options.onComment) + { this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos, + startLoc, this.curPosition()); } + }; + + // Called at the start of the parse and after every token. Skips + // whitespace and comments, and. + + pp.skipSpace = function() { + loop: while (this.pos < this.input.length) { + var ch = this.input.charCodeAt(this.pos); + switch (ch) { + case 32: case 160: // ' ' + ++this.pos; + break + case 13: + if (this.input.charCodeAt(this.pos + 1) === 10) { + ++this.pos; + } + case 10: case 8232: case 8233: + ++this.pos; + if (this.options.locations) { + ++this.curLine; + this.lineStart = this.pos; + } + break + case 47: // '/' + switch (this.input.charCodeAt(this.pos + 1)) { + case 42: // '*' + this.skipBlockComment(); + break + case 47: + this.skipLineComment(2); + break + default: + break loop + } + break + default: + if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) { + ++this.pos; + } else { + break loop + } + } + } + }; + + // Called at the end of every token. Sets `end`, `val`, and + // maintains `context` and `exprAllowed`, and skips the space after + // the token, so that the next one's `start` will point at the + // right position. + + pp.finishToken = function(type, val) { + this.end = this.pos; + if (this.options.locations) { this.endLoc = this.curPosition(); } + var prevType = this.type; + this.type = type; + this.value = val; + + this.updateContext(prevType); + }; + + // ### Token reading + + // This is the function that is called to fetch the next token. It + // is somewhat obscure, because it works in character codes rather + // than characters, and because operator parsing has been inlined + // into it. + // + // All in the name of speed. + // + pp.readToken_dot = function() { + var next = this.input.charCodeAt(this.pos + 1); + if (next >= 48 && next <= 57) { return this.readNumber(true) } + var next2 = this.input.charCodeAt(this.pos + 2); + if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) { // 46 = dot '.' + this.pos += 3; + return this.finishToken(types$1.ellipsis) + } else { + ++this.pos; + return this.finishToken(types$1.dot) + } + }; + + pp.readToken_slash = function() { // '/' + var next = this.input.charCodeAt(this.pos + 1); + if (this.exprAllowed) { ++this.pos; return this.readRegexp() } + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(types$1.slash, 1) + }; + + pp.readToken_mult_modulo_exp = function(code) { // '%*' + var next = this.input.charCodeAt(this.pos + 1); + var size = 1; + var tokentype = code === 42 ? types$1.star : types$1.modulo; + + // exponentiation operator ** and **= + if (this.options.ecmaVersion >= 7 && code === 42 && next === 42) { + ++size; + tokentype = types$1.starstar; + next = this.input.charCodeAt(this.pos + 2); + } + + if (next === 61) { return this.finishOp(types$1.assign, size + 1) } + return this.finishOp(tokentype, size) + }; + + pp.readToken_pipe_amp = function(code) { // '|&' + var next = this.input.charCodeAt(this.pos + 1); + if (next === code) { + if (this.options.ecmaVersion >= 12) { + var next2 = this.input.charCodeAt(this.pos + 2); + if (next2 === 61) { return this.finishOp(types$1.assign, 3) } + } + return this.finishOp(code === 124 ? types$1.logicalOR : types$1.logicalAND, 2) + } + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(code === 124 ? types$1.bitwiseOR : types$1.bitwiseAND, 1) + }; + + pp.readToken_caret = function() { // '^' + var next = this.input.charCodeAt(this.pos + 1); + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(types$1.bitwiseXOR, 1) + }; + + pp.readToken_plus_min = function(code) { // '+-' + var next = this.input.charCodeAt(this.pos + 1); + if (next === code) { + if (next === 45 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 62 && + (this.lastTokEnd === 0 || lineBreak.test(this.input.slice(this.lastTokEnd, this.pos)))) { + // A `-->` line comment + this.skipLineComment(3); + this.skipSpace(); + return this.nextToken() + } + return this.finishOp(types$1.incDec, 2) + } + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(types$1.plusMin, 1) + }; + + pp.readToken_lt_gt = function(code) { // '<>' + var next = this.input.charCodeAt(this.pos + 1); + var size = 1; + if (next === code) { + size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2; + if (this.input.charCodeAt(this.pos + size) === 61) { return this.finishOp(types$1.assign, size + 1) } + return this.finishOp(types$1.bitShift, size) + } + if (next === 33 && code === 60 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 45 && + this.input.charCodeAt(this.pos + 3) === 45) { + // `` line comment + this.skipLineComment(3); + this.skipSpace(); + return this.nextToken() + } + return this.finishOp(types$1.incDec, 2) + } + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(types$1.plusMin, 1) +}; + +pp.readToken_lt_gt = function(code) { // '<>' + var next = this.input.charCodeAt(this.pos + 1); + var size = 1; + if (next === code) { + size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2; + if (this.input.charCodeAt(this.pos + size) === 61) { return this.finishOp(types$1.assign, size + 1) } + return this.finishOp(types$1.bitShift, size) + } + if (next === 33 && code === 60 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 45 && + this.input.charCodeAt(this.pos + 3) === 45) { + // ` + +## Sponsors + +The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. 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+ diff --git a/module/node_modules/eslint-scope/dist/eslint-scope.cjs b/module/node_modules/eslint-scope/dist/eslint-scope.cjs new file mode 100644 index 000000000..abb88e590 --- /dev/null +++ b/module/node_modules/eslint-scope/dist/eslint-scope.cjs @@ -0,0 +1,2339 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var estraverse = require('estraverse'); +var esrecurse = require('esrecurse'); + +function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; } + +var estraverse__default = /*#__PURE__*/_interopDefaultLegacy(estraverse); +var esrecurse__default = /*#__PURE__*/_interopDefaultLegacy(esrecurse); + +/** + * @fileoverview Assertion utilities. + * @author Nicholas C. Zakas + */ + +/** + * Throws an error if the given condition is not truthy. + * @param {boolean} condition The condition to check. + * @param {string} message The message to include with the error. + * @returns {void} + * @throws {Error} When the condition is not truthy. + */ +function assert(condition, message = "Assertion failed.") { + if (!condition) { + throw new Error(message); + } +} + +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +const READ = 0x1; +const WRITE = 0x2; +const RW = READ | WRITE; + +/** + * A Reference represents a single occurrence of an identifier in code. + * @constructor Reference + */ +class Reference { + constructor(ident, scope, flag, writeExpr, maybeImplicitGlobal, partial, init) { + + /** + * Identifier syntax node. + * @member {espreeIdentifier} Reference#identifier + */ + this.identifier = ident; + + /** + * Reference to the enclosing Scope. + * @member {Scope} Reference#from + */ + this.from = scope; + + /** + * Whether the reference comes from a dynamic scope (such as 'eval', + * 'with', etc.), and may be trapped by dynamic scopes. + * @member {boolean} Reference#tainted + */ + this.tainted = false; + + /** + * The variable this reference is resolved with. + * @member {Variable} Reference#resolved + */ + this.resolved = null; + + /** + * The read-write mode of the reference. (Value is one of {@link + * Reference.READ}, {@link Reference.RW}, {@link Reference.WRITE}). + * @member {number} Reference#flag + * @private + */ + this.flag = flag; + if (this.isWrite()) { + + /** + * If reference is writeable, this is the tree being written to it. + * @member {espreeNode} Reference#writeExpr + */ + this.writeExpr = writeExpr; + + /** + * Whether the Reference might refer to a partial value of writeExpr. + * @member {boolean} Reference#partial + */ + this.partial = partial; + + /** + * Whether the Reference is to write of initialization. + * @member {boolean} Reference#init + */ + this.init = init; + } + this.__maybeImplicitGlobal = maybeImplicitGlobal; + } + + /** + * Whether the reference is static. + * @function Reference#isStatic + * @returns {boolean} static + */ + isStatic() { + return !this.tainted && this.resolved && this.resolved.scope.isStatic(); + } + + /** + * Whether the reference is writeable. + * @function Reference#isWrite + * @returns {boolean} write + */ + isWrite() { + return !!(this.flag & Reference.WRITE); + } + + /** + * Whether the reference is readable. + * @function Reference#isRead + * @returns {boolean} read + */ + isRead() { + return !!(this.flag & Reference.READ); + } + + /** + * Whether the reference is read-only. + * @function Reference#isReadOnly + * @returns {boolean} read only + */ + isReadOnly() { + return this.flag === Reference.READ; + } + + /** + * Whether the reference is write-only. + * @function Reference#isWriteOnly + * @returns {boolean} write only + */ + isWriteOnly() { + return this.flag === Reference.WRITE; + } + + /** + * Whether the reference is read-write. + * @function Reference#isReadWrite + * @returns {boolean} read write + */ + isReadWrite() { + return this.flag === Reference.RW; + } +} + +/** + * @constant Reference.READ + * @private + */ +Reference.READ = READ; + +/** + * @constant Reference.WRITE + * @private + */ +Reference.WRITE = WRITE; + +/** + * @constant Reference.RW + * @private + */ +Reference.RW = RW; + +/* vim: set sw=4 ts=4 et tw=80 : */ + +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** + * A Variable represents a locally scoped identifier. These include arguments to + * functions. + * @constructor Variable + */ +class Variable { + constructor(name, scope) { + + /** + * The variable name, as given in the source code. + * @member {string} Variable#name + */ + this.name = name; + + /** + * List of defining occurrences of this variable (like in 'var ...' + * statements or as parameter), as AST nodes. + * @member {espree.Identifier[]} Variable#identifiers + */ + this.identifiers = []; + + /** + * List of {@link Reference|references} of this variable (excluding parameter entries) + * in its defining scope and all nested scopes. For defining + * occurrences only see {@link Variable#defs}. + * @member {Reference[]} Variable#references + */ + this.references = []; + + /** + * List of defining occurrences of this variable (like in 'var ...' + * statements or as parameter), as custom objects. + * @member {Definition[]} Variable#defs + */ + this.defs = []; + + this.tainted = false; + + /** + * Whether this is a stack variable. + * @member {boolean} Variable#stack + */ + this.stack = true; + + /** + * Reference to the enclosing Scope. + * @member {Scope} Variable#scope + */ + this.scope = scope; + } +} + +Variable.CatchClause = "CatchClause"; +Variable.Parameter = "Parameter"; +Variable.FunctionName = "FunctionName"; +Variable.ClassName = "ClassName"; +Variable.Variable = "Variable"; +Variable.ImportBinding = "ImportBinding"; +Variable.ImplicitGlobalVariable = "ImplicitGlobalVariable"; + +/* vim: set sw=4 ts=4 et tw=80 : */ + +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** + * @constructor Definition + */ +class Definition { + constructor(type, name, node, parent, index, kind) { + + /** + * @member {string} Definition#type - type of the occurrence (e.g. "Parameter", "Variable", ...). + */ + this.type = type; + + /** + * @member {espree.Identifier} Definition#name - the identifier AST node of the occurrence. + */ + this.name = name; + + /** + * @member {espree.Node} Definition#node - the enclosing node of the identifier. + */ + this.node = node; + + /** + * @member {espree.Node?} Definition#parent - the enclosing statement node of the identifier. + */ + this.parent = parent; + + /** + * @member {number?} Definition#index - the index in the declaration statement. + */ + this.index = index; + + /** + * @member {string?} Definition#kind - the kind of the declaration statement. + */ + this.kind = kind; + } +} + +/** + * @constructor ParameterDefinition + */ +class ParameterDefinition extends Definition { + constructor(name, node, index, rest) { + super(Variable.Parameter, name, node, null, index, null); + + /** + * Whether the parameter definition is a part of a rest parameter. + * @member {boolean} ParameterDefinition#rest + */ + this.rest = rest; + } +} + +/* vim: set sw=4 ts=4 et tw=80 : */ + +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +const { Syntax: Syntax$2 } = estraverse__default["default"]; + +/** + * Test if scope is struct + * @param {Scope} scope scope + * @param {Block} block block + * @param {boolean} isMethodDefinition is method definition + * @returns {boolean} is strict scope + */ +function isStrictScope(scope, block, isMethodDefinition) { + let body; + + // When upper scope is exists and strict, inner scope is also strict. + if (scope.upper && scope.upper.isStrict) { + return true; + } + + if (isMethodDefinition) { + return true; + } + + if (scope.type === "class" || scope.type === "module") { + return true; + } + + if (scope.type === "block" || scope.type === "switch") { + return false; + } + + if (scope.type === "function") { + if (block.type === Syntax$2.ArrowFunctionExpression && block.body.type !== Syntax$2.BlockStatement) { + return false; + } + + if (block.type === Syntax$2.Program) { + body = block; + } else { + body = block.body; + } + + if (!body) { + return false; + } + } else if (scope.type === "global") { + body = block; + } else { + return false; + } + + // Search for a 'use strict' directive. + for (let i = 0, iz = body.body.length; i < iz; ++i) { + const stmt = body.body[i]; + + /* + * Check if the current statement is a directive. + * If it isn't, then we're past the directive prologue + * so stop the search because directives cannot + * appear after this point. + * + * Some parsers set `directive:null` on non-directive + * statements, so the `typeof` check is safer than + * checking for property existence. + */ + if (typeof stmt.directive !== "string") { + break; + } + + if (stmt.directive === "use strict") { + return true; + } + } + + return false; +} + +/** + * Register scope + * @param {ScopeManager} scopeManager scope manager + * @param {Scope} scope scope + * @returns {void} + */ +function registerScope(scopeManager, scope) { + scopeManager.scopes.push(scope); + + const scopes = scopeManager.__nodeToScope.get(scope.block); + + if (scopes) { + scopes.push(scope); + } else { + scopeManager.__nodeToScope.set(scope.block, [scope]); + } +} + +/** + * Should be statically + * @param {Object} def def + * @returns {boolean} should be statically + */ +function shouldBeStatically(def) { + return ( + (def.type === Variable.ClassName) || + (def.type === Variable.Variable && def.parent.kind !== "var") + ); +} + +/** + * @constructor Scope + */ +class Scope { + constructor(scopeManager, type, upperScope, block, isMethodDefinition) { + + /** + * One of "global", "module", "function", "function-expression-name", "block", "switch", "catch", "with", "for", + * "class", "class-field-initializer", "class-static-block". + * @member {string} Scope#type + */ + this.type = type; + + /** + * The scoped {@link Variable}s of this scope, as { Variable.name + * : Variable }. + * @member {Map} Scope#set + */ + this.set = new Map(); + + /** + * The tainted variables of this scope, as { Variable.name : + * boolean }. + * @member {Map} Scope#taints + */ + this.taints = new Map(); + + /** + * Generally, through the lexical scoping of JS you can always know + * which variable an identifier in the source code refers to. There are + * a few exceptions to this rule. With 'global' and 'with' scopes you + * can only decide at runtime which variable a reference refers to. + * Moreover, if 'eval()' is used in a scope, it might introduce new + * bindings in this or its parent scopes. + * All those scopes are considered 'dynamic'. + * @member {boolean} Scope#dynamic + */ + this.dynamic = this.type === "global" || this.type === "with"; + + /** + * A reference to the scope-defining syntax node. + * @member {espree.Node} Scope#block + */ + this.block = block; + + /** + * The {@link Reference|references} that are not resolved with this scope. + * @member {Reference[]} Scope#through + */ + this.through = []; + + /** + * The scoped {@link Variable}s of this scope. In the case of a + * 'function' scope this includes the automatic argument arguments as + * its first element, as well as all further formal arguments. + * @member {Variable[]} Scope#variables + */ + this.variables = []; + + /** + * Any variable {@link Reference|reference} found in this scope. This + * includes occurrences of local variables as well as variables from + * parent scopes (including the global scope). For local variables + * this also includes defining occurrences (like in a 'var' statement). + * In a 'function' scope this does not include the occurrences of the + * formal parameter in the parameter list. + * @member {Reference[]} Scope#references + */ + this.references = []; + + /** + * For 'global' and 'function' scopes, this is a self-reference. For + * other scope types this is the variableScope value of the + * parent scope. + * @member {Scope} Scope#variableScope + */ + this.variableScope = + this.type === "global" || + this.type === "module" || + this.type === "function" || + this.type === "class-field-initializer" || + this.type === "class-static-block" + ? this + : upperScope.variableScope; + + /** + * Whether this scope is created by a FunctionExpression. + * @member {boolean} Scope#functionExpressionScope + */ + this.functionExpressionScope = false; + + /** + * Whether this is a scope that contains an 'eval()' invocation. + * @member {boolean} Scope#directCallToEvalScope + */ + this.directCallToEvalScope = false; + + /** + * @member {boolean} Scope#thisFound + */ + this.thisFound = false; + + this.__left = []; + + /** + * Reference to the parent {@link Scope|scope}. + * @member {Scope} Scope#upper + */ + this.upper = upperScope; + + /** + * Whether 'use strict' is in effect in this scope. + * @member {boolean} Scope#isStrict + */ + this.isStrict = scopeManager.isStrictModeSupported() + ? isStrictScope(this, block, isMethodDefinition) + : false; + + /** + * List of nested {@link Scope}s. + * @member {Scope[]} Scope#childScopes + */ + this.childScopes = []; + if (this.upper) { + this.upper.childScopes.push(this); + } + + this.__declaredVariables = scopeManager.__declaredVariables; + + registerScope(scopeManager, this); + } + + __shouldStaticallyClose(scopeManager) { + return (!this.dynamic || scopeManager.__isOptimistic()); + } + + __shouldStaticallyCloseForGlobal(ref) { + + // On global scope, let/const/class declarations should be resolved statically. + const name = ref.identifier.name; + + if (!this.set.has(name)) { + return false; + } + + const variable = this.set.get(name); + const defs = variable.defs; + + return defs.length > 0 && defs.every(shouldBeStatically); + } + + __staticCloseRef(ref) { + if (!this.__resolve(ref)) { + this.__delegateToUpperScope(ref); + } + } + + __dynamicCloseRef(ref) { + + // notify all names are through to global + let current = this; + + do { + current.through.push(ref); + current = current.upper; + } while (current); + } + + __globalCloseRef(ref) { + + // let/const/class declarations should be resolved statically. + // others should be resolved dynamically. + if (this.__shouldStaticallyCloseForGlobal(ref)) { + this.__staticCloseRef(ref); + } else { + this.__dynamicCloseRef(ref); + } + } + + __close(scopeManager) { + let closeRef; + + if (this.__shouldStaticallyClose(scopeManager)) { + closeRef = this.__staticCloseRef; + } else if (this.type !== "global") { + closeRef = this.__dynamicCloseRef; + } else { + closeRef = this.__globalCloseRef; + } + + // Try Resolving all references in this scope. + for (let i = 0, iz = this.__left.length; i < iz; ++i) { + const ref = this.__left[i]; + + closeRef.call(this, ref); + } + this.__left = null; + + return this.upper; + } + + // To override by function scopes. + // References in default parameters isn't resolved to variables which are in their function body. + __isValidResolution(ref, variable) { // eslint-disable-line class-methods-use-this, no-unused-vars -- Desired as instance method with signature + return true; + } + + __resolve(ref) { + const name = ref.identifier.name; + + if (!this.set.has(name)) { + return false; + } + const variable = this.set.get(name); + + if (!this.__isValidResolution(ref, variable)) { + return false; + } + variable.references.push(ref); + variable.stack = variable.stack && ref.from.variableScope === this.variableScope; + if (ref.tainted) { + variable.tainted = true; + this.taints.set(variable.name, true); + } + ref.resolved = variable; + + return true; + } + + __delegateToUpperScope(ref) { + if (this.upper) { + this.upper.__left.push(ref); + } + this.through.push(ref); + } + + __addDeclaredVariablesOfNode(variable, node) { + if (node === null || node === void 0) { + return; + } + + let variables = this.__declaredVariables.get(node); + + if (variables === null || variables === void 0) { + variables = []; + this.__declaredVariables.set(node, variables); + } + if (!variables.includes(variable)) { + variables.push(variable); + } + } + + __defineGeneric(name, set, variables, node, def) { + let variable; + + variable = set.get(name); + if (!variable) { + variable = new Variable(name, this); + set.set(name, variable); + variables.push(variable); + } + + if (def) { + variable.defs.push(def); + this.__addDeclaredVariablesOfNode(variable, def.node); + this.__addDeclaredVariablesOfNode(variable, def.parent); + } + if (node) { + variable.identifiers.push(node); + } + } + + __define(node, def) { + if (node && node.type === Syntax$2.Identifier) { + this.__defineGeneric( + node.name, + this.set, + this.variables, + node, + def + ); + } + } + + __referencing(node, assign, writeExpr, maybeImplicitGlobal, partial, init) { + + // because Array element may be null + if (!node || (node.type !== Syntax$2.Identifier && node.type !== "JSXIdentifier")) { + return; + } + + // Specially handle like `this`. + if (node.name === "super") { + return; + } + + const ref = new Reference(node, this, assign || Reference.READ, writeExpr, maybeImplicitGlobal, !!partial, !!init); + + this.references.push(ref); + this.__left.push(ref); + } + + __detectEval() { + let current = this; + + this.directCallToEvalScope = true; + do { + current.dynamic = true; + current = current.upper; + } while (current); + } + + __detectThis() { + this.thisFound = true; + } + + __isClosed() { + return this.__left === null; + } + + /** + * returns resolved {Reference} + * @function Scope#resolve + * @param {Espree.Identifier} ident identifier to be resolved. + * @returns {Reference} reference + */ + resolve(ident) { + let ref, i, iz; + + assert(this.__isClosed(), "Scope should be closed."); + assert(ident.type === Syntax$2.Identifier, "Target should be identifier."); + for (i = 0, iz = this.references.length; i < iz; ++i) { + ref = this.references[i]; + if (ref.identifier === ident) { + return ref; + } + } + return null; + } + + /** + * returns this scope is static + * @function Scope#isStatic + * @returns {boolean} static + */ + isStatic() { + return !this.dynamic; + } + + /** + * returns this scope has materialized arguments + * @function Scope#isArgumentsMaterialized + * @returns {boolean} arguemnts materialized + */ + isArgumentsMaterialized() { // eslint-disable-line class-methods-use-this -- Desired as instance method + return true; + } + + /** + * returns this scope has materialized `this` reference + * @function Scope#isThisMaterialized + * @returns {boolean} this materialized + */ + isThisMaterialized() { // eslint-disable-line class-methods-use-this -- Desired as instance method + return true; + } + + isUsedName(name) { + if (this.set.has(name)) { + return true; + } + for (let i = 0, iz = this.through.length; i < iz; ++i) { + if (this.through[i].identifier.name === name) { + return true; + } + } + return false; + } +} + +/** + * Global scope. + */ +class GlobalScope extends Scope { + constructor(scopeManager, block) { + super(scopeManager, "global", null, block, false); + this.implicit = { + set: new Map(), + variables: [], + + /** + * List of {@link Reference}s that are left to be resolved (i.e. which + * need to be linked to the variable they refer to). + * @member {Reference[]} Scope#implicit#left + */ + left: [] + }; + } + + __close(scopeManager) { + const implicit = []; + + for (let i = 0, iz = this.__left.length; i < iz; ++i) { + const ref = this.__left[i]; + + if (ref.__maybeImplicitGlobal && !this.set.has(ref.identifier.name)) { + implicit.push(ref.__maybeImplicitGlobal); + } + } + + // create an implicit global variable from assignment expression + for (let i = 0, iz = implicit.length; i < iz; ++i) { + const info = implicit[i]; + + this.__defineImplicit(info.pattern, + new Definition( + Variable.ImplicitGlobalVariable, + info.pattern, + info.node, + null, + null, + null + )); + + } + + this.implicit.left = this.__left; + + return super.__close(scopeManager); + } + + __defineImplicit(node, def) { + if (node && node.type === Syntax$2.Identifier) { + this.__defineGeneric( + node.name, + this.implicit.set, + this.implicit.variables, + node, + def + ); + } + } +} + +/** + * Module scope. + */ +class ModuleScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "module", upperScope, block, false); + } +} + +/** + * Function expression name scope. + */ +class FunctionExpressionNameScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "function-expression-name", upperScope, block, false); + this.__define(block.id, + new Definition( + Variable.FunctionName, + block.id, + block, + null, + null, + null + )); + this.functionExpressionScope = true; + } +} + +/** + * Catch scope. + */ +class CatchScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "catch", upperScope, block, false); + } +} + +/** + * With statement scope. + */ +class WithScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "with", upperScope, block, false); + } + + __close(scopeManager) { + if (this.__shouldStaticallyClose(scopeManager)) { + return super.__close(scopeManager); + } + + for (let i = 0, iz = this.__left.length; i < iz; ++i) { + const ref = this.__left[i]; + + ref.tainted = true; + this.__delegateToUpperScope(ref); + } + this.__left = null; + + return this.upper; + } +} + +/** + * Block scope. + */ +class BlockScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "block", upperScope, block, false); + } +} + +/** + * Switch scope. + */ +class SwitchScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "switch", upperScope, block, false); + } +} + +/** + * Function scope. + */ +class FunctionScope extends Scope { + constructor(scopeManager, upperScope, block, isMethodDefinition) { + super(scopeManager, "function", upperScope, block, isMethodDefinition); + + // section 9.2.13, FunctionDeclarationInstantiation. + // NOTE Arrow functions never have an arguments objects. + if (this.block.type !== Syntax$2.ArrowFunctionExpression) { + this.__defineArguments(); + } + } + + isArgumentsMaterialized() { + + // TODO(Constellation) + // We can more aggressive on this condition like this. + // + // function t() { + // // arguments of t is always hidden. + // function arguments() { + // } + // } + if (this.block.type === Syntax$2.ArrowFunctionExpression) { + return false; + } + + if (!this.isStatic()) { + return true; + } + + const variable = this.set.get("arguments"); + + assert(variable, "Always have arguments variable."); + return variable.tainted || variable.references.length !== 0; + } + + isThisMaterialized() { + if (!this.isStatic()) { + return true; + } + return this.thisFound; + } + + __defineArguments() { + this.__defineGeneric( + "arguments", + this.set, + this.variables, + null, + null + ); + this.taints.set("arguments", true); + } + + // References in default parameters isn't resolved to variables which are in their function body. + // const x = 1 + // function f(a = x) { // This `x` is resolved to the `x` in the outer scope. + // const x = 2 + // console.log(a) + // } + __isValidResolution(ref, variable) { + + // If `options.nodejsScope` is true, `this.block` becomes a Program node. + if (this.block.type === "Program") { + return true; + } + + const bodyStart = this.block.body.range[0]; + + // It's invalid resolution in the following case: + return !( + variable.scope === this && + ref.identifier.range[0] < bodyStart && // the reference is in the parameter part. + variable.defs.every(d => d.name.range[0] >= bodyStart) // the variable is in the body. + ); + } +} + +/** + * Scope of for, for-in, and for-of statements. + */ +class ForScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "for", upperScope, block, false); + } +} + +/** + * Class scope. + */ +class ClassScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "class", upperScope, block, false); + } +} + +/** + * Class field initializer scope. + */ +class ClassFieldInitializerScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "class-field-initializer", upperScope, block, true); + } +} + +/** + * Class static block scope. + */ +class ClassStaticBlockScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "class-static-block", upperScope, block, true); + } +} + +/* vim: set sw=4 ts=4 et tw=80 : */ + +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** + * @constructor ScopeManager + */ +class ScopeManager { + constructor(options) { + this.scopes = []; + this.globalScope = null; + this.__nodeToScope = new WeakMap(); + this.__currentScope = null; + this.__options = options; + this.__declaredVariables = new WeakMap(); + } + + __isOptimistic() { + return this.__options.optimistic; + } + + __ignoreEval() { + return this.__options.ignoreEval; + } + + __isJSXEnabled() { + return this.__options.jsx === true; + } + + isGlobalReturn() { + return this.__options.nodejsScope || this.__options.sourceType === "commonjs"; + } + + isModule() { + return this.__options.sourceType === "module"; + } + + isImpliedStrict() { + return this.__options.impliedStrict; + } + + isStrictModeSupported() { + return this.__options.ecmaVersion >= 5; + } + + // Returns appropriate scope for this node. + __get(node) { + return this.__nodeToScope.get(node); + } + + /** + * Get variables that are declared by the node. + * + * "are declared by the node" means the node is same as `Variable.defs[].node` or `Variable.defs[].parent`. + * If the node declares nothing, this method returns an empty array. + * CAUTION: This API is experimental. See https://github.com/estools/escope/pull/69 for more details. + * @param {Espree.Node} node a node to get. + * @returns {Variable[]} variables that declared by the node. + */ + getDeclaredVariables(node) { + return this.__declaredVariables.get(node) || []; + } + + /** + * acquire scope from node. + * @function ScopeManager#acquire + * @param {Espree.Node} node node for the acquired scope. + * @param {?boolean} [inner=false] look up the most inner scope, default value is false. + * @returns {Scope?} Scope from node + */ + acquire(node, inner) { + + /** + * predicate + * @param {Scope} testScope scope to test + * @returns {boolean} predicate + */ + function predicate(testScope) { + if (testScope.type === "function" && testScope.functionExpressionScope) { + return false; + } + return true; + } + + const scopes = this.__get(node); + + if (!scopes || scopes.length === 0) { + return null; + } + + // Heuristic selection from all scopes. + // If you would like to get all scopes, please use ScopeManager#acquireAll. + if (scopes.length === 1) { + return scopes[0]; + } + + if (inner) { + for (let i = scopes.length - 1; i >= 0; --i) { + const scope = scopes[i]; + + if (predicate(scope)) { + return scope; + } + } + } else { + for (let i = 0, iz = scopes.length; i < iz; ++i) { + const scope = scopes[i]; + + if (predicate(scope)) { + return scope; + } + } + } + + return null; + } + + /** + * acquire all scopes from node. + * @function ScopeManager#acquireAll + * @param {Espree.Node} node node for the acquired scope. + * @returns {Scopes?} Scope array + */ + acquireAll(node) { + return this.__get(node); + } + + /** + * release the node. + * @function ScopeManager#release + * @param {Espree.Node} node releasing node. + * @param {?boolean} [inner=false] look up the most inner scope, default value is false. + * @returns {Scope?} upper scope for the node. + */ + release(node, inner) { + const scopes = this.__get(node); + + if (scopes && scopes.length) { + const scope = scopes[0].upper; + + if (!scope) { + return null; + } + return this.acquire(scope.block, inner); + } + return null; + } + + attach() { } // eslint-disable-line class-methods-use-this -- Desired as instance method + + detach() { } // eslint-disable-line class-methods-use-this -- Desired as instance method + + __nestScope(scope) { + if (scope instanceof GlobalScope) { + assert(this.__currentScope === null); + this.globalScope = scope; + } + this.__currentScope = scope; + return scope; + } + + __nestGlobalScope(node) { + return this.__nestScope(new GlobalScope(this, node)); + } + + __nestBlockScope(node) { + return this.__nestScope(new BlockScope(this, this.__currentScope, node)); + } + + __nestFunctionScope(node, isMethodDefinition) { + return this.__nestScope(new FunctionScope(this, this.__currentScope, node, isMethodDefinition)); + } + + __nestForScope(node) { + return this.__nestScope(new ForScope(this, this.__currentScope, node)); + } + + __nestCatchScope(node) { + return this.__nestScope(new CatchScope(this, this.__currentScope, node)); + } + + __nestWithScope(node) { + return this.__nestScope(new WithScope(this, this.__currentScope, node)); + } + + __nestClassScope(node) { + return this.__nestScope(new ClassScope(this, this.__currentScope, node)); + } + + __nestClassFieldInitializerScope(node) { + return this.__nestScope(new ClassFieldInitializerScope(this, this.__currentScope, node)); + } + + __nestClassStaticBlockScope(node) { + return this.__nestScope(new ClassStaticBlockScope(this, this.__currentScope, node)); + } + + __nestSwitchScope(node) { + return this.__nestScope(new SwitchScope(this, this.__currentScope, node)); + } + + __nestModuleScope(node) { + return this.__nestScope(new ModuleScope(this, this.__currentScope, node)); + } + + __nestFunctionExpressionNameScope(node) { + return this.__nestScope(new FunctionExpressionNameScope(this, this.__currentScope, node)); + } + + __isES6() { + return this.__options.ecmaVersion >= 6; + } +} + +/* vim: set sw=4 ts=4 et tw=80 : */ + +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +const { Syntax: Syntax$1 } = estraverse__default["default"]; + +/** + * Get last array element + * @param {Array} xs array + * @returns {any} Last elment + */ +function getLast(xs) { + return xs.at(-1) || null; +} + +/** + * Visitor for destructuring patterns. + */ +class PatternVisitor extends esrecurse__default["default"].Visitor { + static isPattern(node) { + const nodeType = node.type; + + return ( + nodeType === Syntax$1.Identifier || + nodeType === Syntax$1.ObjectPattern || + nodeType === Syntax$1.ArrayPattern || + nodeType === Syntax$1.SpreadElement || + nodeType === Syntax$1.RestElement || + nodeType === Syntax$1.AssignmentPattern + ); + } + + constructor(options, rootPattern, callback) { + super(null, options); + this.rootPattern = rootPattern; + this.callback = callback; + this.assignments = []; + this.rightHandNodes = []; + this.restElements = []; + } + + Identifier(pattern) { + const lastRestElement = getLast(this.restElements); + + this.callback(pattern, { + topLevel: pattern === this.rootPattern, + rest: lastRestElement !== null && lastRestElement !== void 0 && lastRestElement.argument === pattern, + assignments: this.assignments + }); + } + + Property(property) { + + // Computed property's key is a right hand node. + if (property.computed) { + this.rightHandNodes.push(property.key); + } + + // If it's shorthand, its key is same as its value. + // If it's shorthand and has its default value, its key is same as its value.left (the value is AssignmentPattern). + // If it's not shorthand, the name of new variable is its value's. + this.visit(property.value); + } + + ArrayPattern(pattern) { + for (let i = 0, iz = pattern.elements.length; i < iz; ++i) { + const element = pattern.elements[i]; + + this.visit(element); + } + } + + AssignmentPattern(pattern) { + this.assignments.push(pattern); + this.visit(pattern.left); + this.rightHandNodes.push(pattern.right); + this.assignments.pop(); + } + + RestElement(pattern) { + this.restElements.push(pattern); + this.visit(pattern.argument); + this.restElements.pop(); + } + + MemberExpression(node) { + + // Computed property's key is a right hand node. + if (node.computed) { + this.rightHandNodes.push(node.property); + } + + // the object is only read, write to its property. + this.rightHandNodes.push(node.object); + } + + // + // ForInStatement.left and AssignmentExpression.left are LeftHandSideExpression. + // By spec, LeftHandSideExpression is Pattern or MemberExpression. + // (see also: https://github.com/estree/estree/pull/20#issuecomment-74584758) + // But espree 2.0 parses to ArrayExpression, ObjectExpression, etc... + // + + SpreadElement(node) { + this.visit(node.argument); + } + + ArrayExpression(node) { + node.elements.forEach(this.visit, this); + } + + AssignmentExpression(node) { + this.assignments.push(node); + this.visit(node.left); + this.rightHandNodes.push(node.right); + this.assignments.pop(); + } + + CallExpression(node) { + + // arguments are right hand nodes. + node.arguments.forEach(a => { + this.rightHandNodes.push(a); + }); + this.visit(node.callee); + } +} + +/* vim: set sw=4 ts=4 et tw=80 : */ + +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +const { Syntax } = estraverse__default["default"]; + +/** + * Traverse identifier in pattern + * @param {Object} options options + * @param {pattern} rootPattern root pattern + * @param {Refencer} referencer referencer + * @param {callback} callback callback + * @returns {void} + */ +function traverseIdentifierInPattern(options, rootPattern, referencer, callback) { + + // Call the callback at left hand identifier nodes, and Collect right hand nodes. + const visitor = new PatternVisitor(options, rootPattern, callback); + + visitor.visit(rootPattern); + + // Process the right hand nodes recursively. + if (referencer !== null && referencer !== void 0) { + visitor.rightHandNodes.forEach(referencer.visit, referencer); + } +} + +// Importing ImportDeclaration. +// http://people.mozilla.org/~jorendorff/es6-draft.html#sec-moduledeclarationinstantiation +// https://github.com/estree/estree/blob/master/es6.md#importdeclaration +// FIXME: Now, we don't create module environment, because the context is +// implementation dependent. + +/** + * Visitor for import specifiers. + */ +class Importer extends esrecurse__default["default"].Visitor { + constructor(declaration, referencer) { + super(null, referencer.options); + this.declaration = declaration; + this.referencer = referencer; + } + + visitImport(id, specifier) { + this.referencer.visitPattern(id, pattern => { + this.referencer.currentScope().__define(pattern, + new Definition( + Variable.ImportBinding, + pattern, + specifier, + this.declaration, + null, + null + )); + }); + } + + ImportNamespaceSpecifier(node) { + const local = (node.local || node.id); + + if (local) { + this.visitImport(local, node); + } + } + + ImportDefaultSpecifier(node) { + const local = (node.local || node.id); + + this.visitImport(local, node); + } + + ImportSpecifier(node) { + const local = (node.local || node.id); + + if (node.name) { + this.visitImport(node.name, node); + } else { + this.visitImport(local, node); + } + } +} + +/** + * Referencing variables and creating bindings. + */ +class Referencer extends esrecurse__default["default"].Visitor { + constructor(options, scopeManager) { + super(null, options); + this.options = options; + this.scopeManager = scopeManager; + this.parent = null; + this.isInnerMethodDefinition = false; + } + + currentScope() { + return this.scopeManager.__currentScope; + } + + close(node) { + while (this.currentScope() && node === this.currentScope().block) { + this.scopeManager.__currentScope = this.currentScope().__close(this.scopeManager); + } + } + + pushInnerMethodDefinition(isInnerMethodDefinition) { + const previous = this.isInnerMethodDefinition; + + this.isInnerMethodDefinition = isInnerMethodDefinition; + return previous; + } + + popInnerMethodDefinition(isInnerMethodDefinition) { + this.isInnerMethodDefinition = isInnerMethodDefinition; + } + + referencingDefaultValue(pattern, assignments, maybeImplicitGlobal, init) { + const scope = this.currentScope(); + + assignments.forEach(assignment => { + scope.__referencing( + pattern, + Reference.WRITE, + assignment.right, + maybeImplicitGlobal, + pattern !== assignment.left, + init + ); + }); + } + + visitPattern(node, options, callback) { + let visitPatternOptions = options; + let visitPatternCallback = callback; + + if (typeof options === "function") { + visitPatternCallback = options; + visitPatternOptions = { processRightHandNodes: false }; + } + + traverseIdentifierInPattern( + this.options, + node, + visitPatternOptions.processRightHandNodes ? this : null, + visitPatternCallback + ); + } + + visitFunction(node) { + let i, iz; + + // FunctionDeclaration name is defined in upper scope + // NOTE: Not referring variableScope. It is intended. + // Since + // in ES5, FunctionDeclaration should be in FunctionBody. + // in ES6, FunctionDeclaration should be block scoped. + + if (node.type === Syntax.FunctionDeclaration) { + + // id is defined in upper scope + this.currentScope().__define(node.id, + new Definition( + Variable.FunctionName, + node.id, + node, + null, + null, + null + )); + } + + // FunctionExpression with name creates its special scope; + // FunctionExpressionNameScope. + if (node.type === Syntax.FunctionExpression && node.id) { + this.scopeManager.__nestFunctionExpressionNameScope(node); + } + + // Consider this function is in the MethodDefinition. + this.scopeManager.__nestFunctionScope(node, this.isInnerMethodDefinition); + + const that = this; + + /** + * Visit pattern callback + * @param {pattern} pattern pattern + * @param {Object} info info + * @returns {void} + */ + function visitPatternCallback(pattern, info) { + that.currentScope().__define(pattern, + new ParameterDefinition( + pattern, + node, + i, + info.rest + )); + + that.referencingDefaultValue(pattern, info.assignments, null, true); + } + + // Process parameter declarations. + for (i = 0, iz = node.params.length; i < iz; ++i) { + this.visitPattern(node.params[i], { processRightHandNodes: true }, visitPatternCallback); + } + + // if there's a rest argument, add that + if (node.rest) { + this.visitPattern({ + type: "RestElement", + argument: node.rest + }, pattern => { + this.currentScope().__define(pattern, + new ParameterDefinition( + pattern, + node, + node.params.length, + true + )); + }); + } + + // In TypeScript there are a number of function-like constructs which have no body, + // so check it exists before traversing + if (node.body) { + + // Skip BlockStatement to prevent creating BlockStatement scope. + if (node.body.type === Syntax.BlockStatement) { + this.visitChildren(node.body); + } else { + this.visit(node.body); + } + } + + this.close(node); + } + + visitClass(node) { + if (node.type === Syntax.ClassDeclaration) { + this.currentScope().__define(node.id, + new Definition( + Variable.ClassName, + node.id, + node, + null, + null, + null + )); + } + + this.scopeManager.__nestClassScope(node); + + if (node.id) { + this.currentScope().__define(node.id, + new Definition( + Variable.ClassName, + node.id, + node + )); + } + + this.visit(node.superClass); + this.visit(node.body); + + this.close(node); + } + + visitProperty(node) { + let previous; + + if (node.computed) { + this.visit(node.key); + } + + const isMethodDefinition = node.type === Syntax.MethodDefinition; + + if (isMethodDefinition) { + previous = this.pushInnerMethodDefinition(true); + } + this.visit(node.value); + if (isMethodDefinition) { + this.popInnerMethodDefinition(previous); + } + } + + visitForIn(node) { + if (node.left.type === Syntax.VariableDeclaration && node.left.kind !== "var") { + this.scopeManager.__nestForScope(node); + } + + if (node.left.type === Syntax.VariableDeclaration) { + this.visit(node.left); + this.visitPattern(node.left.declarations[0].id, pattern => { + this.currentScope().__referencing(pattern, Reference.WRITE, node.right, null, true, true); + }); + } else { + this.visitPattern(node.left, { processRightHandNodes: true }, (pattern, info) => { + let maybeImplicitGlobal = null; + + if (!this.currentScope().isStrict) { + maybeImplicitGlobal = { + pattern, + node + }; + } + this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false); + this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, true, false); + }); + } + this.visit(node.right); + this.visit(node.body); + + this.close(node); + } + + visitVariableDeclaration(variableTargetScope, type, node, index) { + + const decl = node.declarations[index]; + const init = decl.init; + + this.visitPattern(decl.id, { processRightHandNodes: true }, (pattern, info) => { + variableTargetScope.__define( + pattern, + new Definition( + type, + pattern, + decl, + node, + index, + node.kind + ) + ); + + this.referencingDefaultValue(pattern, info.assignments, null, true); + if (init) { + this.currentScope().__referencing(pattern, Reference.WRITE, init, null, !info.topLevel, true); + } + }); + } + + AssignmentExpression(node) { + if (PatternVisitor.isPattern(node.left)) { + if (node.operator === "=") { + this.visitPattern(node.left, { processRightHandNodes: true }, (pattern, info) => { + let maybeImplicitGlobal = null; + + if (!this.currentScope().isStrict) { + maybeImplicitGlobal = { + pattern, + node + }; + } + this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false); + this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, !info.topLevel, false); + }); + } else { + this.currentScope().__referencing(node.left, Reference.RW, node.right); + } + } else { + this.visit(node.left); + } + this.visit(node.right); + } + + CatchClause(node) { + this.scopeManager.__nestCatchScope(node); + + this.visitPattern(node.param, { processRightHandNodes: true }, (pattern, info) => { + this.currentScope().__define(pattern, + new Definition( + Variable.CatchClause, + pattern, + node, + null, + null, + null + )); + this.referencingDefaultValue(pattern, info.assignments, null, true); + }); + this.visit(node.body); + + this.close(node); + } + + Program(node) { + this.scopeManager.__nestGlobalScope(node); + + if (this.scopeManager.isGlobalReturn()) { + + // Force strictness of GlobalScope to false when using node.js scope. + this.currentScope().isStrict = false; + this.scopeManager.__nestFunctionScope(node, false); + } + + if (this.scopeManager.__isES6() && this.scopeManager.isModule()) { + this.scopeManager.__nestModuleScope(node); + } + + if (this.scopeManager.isStrictModeSupported() && this.scopeManager.isImpliedStrict()) { + this.currentScope().isStrict = true; + } + + this.visitChildren(node); + this.close(node); + } + + Identifier(node) { + this.currentScope().__referencing(node); + } + + // eslint-disable-next-line class-methods-use-this -- Desired as instance method + PrivateIdentifier() { + + // Do nothing. + } + + UpdateExpression(node) { + if (PatternVisitor.isPattern(node.argument)) { + this.currentScope().__referencing(node.argument, Reference.RW, null); + } else { + this.visitChildren(node); + } + } + + MemberExpression(node) { + this.visit(node.object); + if (node.computed) { + this.visit(node.property); + } + } + + Property(node) { + this.visitProperty(node); + } + + PropertyDefinition(node) { + const { computed, key, value } = node; + + if (computed) { + this.visit(key); + } + if (value) { + this.scopeManager.__nestClassFieldInitializerScope(value); + this.visit(value); + this.close(value); + } + } + + StaticBlock(node) { + this.scopeManager.__nestClassStaticBlockScope(node); + + this.visitChildren(node); + + this.close(node); + } + + MethodDefinition(node) { + this.visitProperty(node); + } + + BreakStatement() {} // eslint-disable-line class-methods-use-this -- Desired as instance method + + ContinueStatement() {} // eslint-disable-line class-methods-use-this -- Desired as instance method + + LabeledStatement(node) { + this.visit(node.body); + } + + ForStatement(node) { + + // Create ForStatement declaration. + // NOTE: In ES6, ForStatement dynamically generates + // per iteration environment. However, escope is + // a static analyzer, we only generate one scope for ForStatement. + if (node.init && node.init.type === Syntax.VariableDeclaration && node.init.kind !== "var") { + this.scopeManager.__nestForScope(node); + } + + this.visitChildren(node); + + this.close(node); + } + + ClassExpression(node) { + this.visitClass(node); + } + + ClassDeclaration(node) { + this.visitClass(node); + } + + CallExpression(node) { + + // Check this is direct call to eval + if (!this.scopeManager.__ignoreEval() && node.callee.type === Syntax.Identifier && node.callee.name === "eval") { + + // NOTE: This should be `variableScope`. Since direct eval call always creates Lexical environment and + // let / const should be enclosed into it. Only VariableDeclaration affects on the caller's environment. + this.currentScope().variableScope.__detectEval(); + } + this.visitChildren(node); + } + + BlockStatement(node) { + if (this.scopeManager.__isES6()) { + this.scopeManager.__nestBlockScope(node); + } + + this.visitChildren(node); + + this.close(node); + } + + ThisExpression() { + this.currentScope().variableScope.__detectThis(); + } + + WithStatement(node) { + this.visit(node.object); + + // Then nest scope for WithStatement. + this.scopeManager.__nestWithScope(node); + + this.visit(node.body); + + this.close(node); + } + + VariableDeclaration(node) { + const variableTargetScope = (node.kind === "var") ? this.currentScope().variableScope : this.currentScope(); + + for (let i = 0, iz = node.declarations.length; i < iz; ++i) { + const decl = node.declarations[i]; + + this.visitVariableDeclaration(variableTargetScope, Variable.Variable, node, i); + if (decl.init) { + this.visit(decl.init); + } + } + } + + // sec 13.11.8 + SwitchStatement(node) { + this.visit(node.discriminant); + + if (this.scopeManager.__isES6()) { + this.scopeManager.__nestSwitchScope(node); + } + + for (let i = 0, iz = node.cases.length; i < iz; ++i) { + this.visit(node.cases[i]); + } + + this.close(node); + } + + FunctionDeclaration(node) { + this.visitFunction(node); + } + + FunctionExpression(node) { + this.visitFunction(node); + } + + ForOfStatement(node) { + this.visitForIn(node); + } + + ForInStatement(node) { + this.visitForIn(node); + } + + ArrowFunctionExpression(node) { + this.visitFunction(node); + } + + ImportDeclaration(node) { + assert(this.scopeManager.__isES6() && this.scopeManager.isModule(), "ImportDeclaration should appear when the mode is ES6 and in the module context."); + + const importer = new Importer(node, this); + + importer.visit(node); + } + + visitExportDeclaration(node) { + if (node.source) { + return; + } + if (node.declaration) { + this.visit(node.declaration); + return; + } + + this.visitChildren(node); + } + + // TODO: ExportDeclaration doesn't exist. for bc? + ExportDeclaration(node) { + this.visitExportDeclaration(node); + } + + ExportAllDeclaration(node) { + this.visitExportDeclaration(node); + } + + ExportDefaultDeclaration(node) { + this.visitExportDeclaration(node); + } + + ExportNamedDeclaration(node) { + this.visitExportDeclaration(node); + } + + ExportSpecifier(node) { + + // TODO: `node.id` doesn't exist. for bc? + const local = (node.id || node.local); + + this.visit(local); + } + + MetaProperty() { // eslint-disable-line class-methods-use-this -- Desired as instance method + + // do nothing. + } + + JSXIdentifier(node) { + + // Special case: "this" should not count as a reference + if (this.scopeManager.__isJSXEnabled() && node.name !== "this") { + this.currentScope().__referencing(node); + } + } + + JSXMemberExpression(node) { + this.visit(node.object); + } + + JSXElement(node) { + if (this.scopeManager.__isJSXEnabled()) { + this.visit(node.openingElement); + node.children.forEach(this.visit, this); + } else { + this.visitChildren(node); + } + } + + JSXOpeningElement(node) { + if (this.scopeManager.__isJSXEnabled()) { + + const nameNode = node.name; + const isComponentName = nameNode.type === "JSXIdentifier" && nameNode.name[0].toUpperCase() === nameNode.name[0]; + const isComponent = isComponentName || nameNode.type === "JSXMemberExpression"; + + // we only want to visit JSXIdentifier nodes if they are capitalized + if (isComponent) { + this.visit(nameNode); + } + } + + node.attributes.forEach(this.visit, this); + } + + JSXAttribute(node) { + if (node.value) { + this.visit(node.value); + } + } + + JSXExpressionContainer(node) { + this.visit(node.expression); + } + + JSXNamespacedName(node) { + this.visit(node.namespace); + this.visit(node.name); + } +} + +/* vim: set sw=4 ts=4 et tw=80 : */ + +const version = "8.4.0"; + +/* + Copyright (C) 2012-2014 Yusuke Suzuki + Copyright (C) 2013 Alex Seville + Copyright (C) 2014 Thiago de Arruda + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** + * Set the default options + * @returns {Object} options + */ +function defaultOptions() { + return { + optimistic: false, + nodejsScope: false, + impliedStrict: false, + sourceType: "script", // one of ['script', 'module', 'commonjs'] + ecmaVersion: 5, + childVisitorKeys: null, + fallback: "iteration" + }; +} + +/** + * Preform deep update on option object + * @param {Object} target Options + * @param {Object} override Updates + * @returns {Object} Updated options + */ +function updateDeeply(target, override) { + + /** + * Is hash object + * @param {Object} value Test value + * @returns {boolean} Result + */ + function isHashObject(value) { + return typeof value === "object" && value instanceof Object && !(value instanceof Array) && !(value instanceof RegExp); + } + + for (const key in override) { + if (Object.hasOwn(override, key)) { + const val = override[key]; + + if (isHashObject(val)) { + if (isHashObject(target[key])) { + updateDeeply(target[key], val); + } else { + target[key] = updateDeeply({}, val); + } + } else { + target[key] = val; + } + } + } + return target; +} + +/** + * Main interface function. Takes an Espree syntax tree and returns the + * analyzed scopes. + * @function analyze + * @param {espree.Tree} tree Abstract Syntax Tree + * @param {Object} providedOptions Options that tailor the scope analysis + * @param {boolean} [providedOptions.optimistic=false] the optimistic flag + * @param {boolean} [providedOptions.ignoreEval=false] whether to check 'eval()' calls + * @param {boolean} [providedOptions.nodejsScope=false] whether the whole + * script is executed under node.js environment. When enabled, escope adds + * a function scope immediately following the global scope. + * @param {boolean} [providedOptions.impliedStrict=false] implied strict mode + * (if ecmaVersion >= 5). + * @param {string} [providedOptions.sourceType='script'] the source type of the script. one of 'script', 'module', and 'commonjs' + * @param {number} [providedOptions.ecmaVersion=5] which ECMAScript version is considered + * @param {boolean} [providedOptions.jsx=false] support JSX references + * @param {Object} [providedOptions.childVisitorKeys=null] Additional known visitor keys. See [esrecurse](https://github.com/estools/esrecurse)'s the `childVisitorKeys` option. + * @param {string} [providedOptions.fallback='iteration'] A kind of the fallback in order to encounter with unknown node. See [esrecurse](https://github.com/estools/esrecurse)'s the `fallback` option. + * @returns {ScopeManager} ScopeManager + */ +function analyze(tree, providedOptions) { + const options = updateDeeply(defaultOptions(), providedOptions); + const scopeManager = new ScopeManager(options); + const referencer = new Referencer(options, scopeManager); + + referencer.visit(tree); + + assert(scopeManager.__currentScope === null, "currentScope should be null."); + + return scopeManager; +} + +/* vim: set sw=4 ts=4 et tw=80 : */ + +exports.Definition = Definition; +exports.PatternVisitor = PatternVisitor; +exports.Reference = Reference; +exports.Referencer = Referencer; +exports.Scope = Scope; +exports.ScopeManager = ScopeManager; +exports.Variable = Variable; +exports.analyze = analyze; +exports.version = version; +//# sourceMappingURL=eslint-scope.cjs.map diff --git a/module/node_modules/eslint-scope/lib/assert.js b/module/node_modules/eslint-scope/lib/assert.js new file mode 100644 index 000000000..6300bce7e --- /dev/null +++ b/module/node_modules/eslint-scope/lib/assert.js @@ -0,0 +1,17 @@ +/** + * @fileoverview Assertion utilities. + * @author Nicholas C. Zakas + */ + +/** + * Throws an error if the given condition is not truthy. + * @param {boolean} condition The condition to check. + * @param {string} message The message to include with the error. + * @returns {void} + * @throws {Error} When the condition is not truthy. + */ +export function assert(condition, message = "Assertion failed.") { + if (!condition) { + throw new Error(message); + } +} diff --git a/module/node_modules/eslint-scope/lib/definition.js b/module/node_modules/eslint-scope/lib/definition.js new file mode 100644 index 000000000..9744ef48b --- /dev/null +++ b/module/node_modules/eslint-scope/lib/definition.js @@ -0,0 +1,85 @@ +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +import Variable from "./variable.js"; + +/** + * @constructor Definition + */ +class Definition { + constructor(type, name, node, parent, index, kind) { + + /** + * @member {string} Definition#type - type of the occurrence (e.g. "Parameter", "Variable", ...). + */ + this.type = type; + + /** + * @member {espree.Identifier} Definition#name - the identifier AST node of the occurrence. + */ + this.name = name; + + /** + * @member {espree.Node} Definition#node - the enclosing node of the identifier. + */ + this.node = node; + + /** + * @member {espree.Node?} Definition#parent - the enclosing statement node of the identifier. + */ + this.parent = parent; + + /** + * @member {number?} Definition#index - the index in the declaration statement. + */ + this.index = index; + + /** + * @member {string?} Definition#kind - the kind of the declaration statement. + */ + this.kind = kind; + } +} + +/** + * @constructor ParameterDefinition + */ +class ParameterDefinition extends Definition { + constructor(name, node, index, rest) { + super(Variable.Parameter, name, node, null, index, null); + + /** + * Whether the parameter definition is a part of a rest parameter. + * @member {boolean} ParameterDefinition#rest + */ + this.rest = rest; + } +} + +export { + ParameterDefinition, + Definition +}; + +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/eslint-scope/lib/index.js b/module/node_modules/eslint-scope/lib/index.js new file mode 100644 index 000000000..85f8b510f --- /dev/null +++ b/module/node_modules/eslint-scope/lib/index.js @@ -0,0 +1,170 @@ +/* + Copyright (C) 2012-2014 Yusuke Suzuki + Copyright (C) 2013 Alex Seville + Copyright (C) 2014 Thiago de Arruda + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** + * Escope (escope) is an ECMAScript + * scope analyzer extracted from the esmangle project. + *

+ * escope finds lexical scopes in a source program, i.e. areas of that + * program where different occurrences of the same identifier refer to the same + * variable. With each scope the contained variables are collected, and each + * identifier reference in code is linked to its corresponding variable (if + * possible). + *

+ * escope works on a syntax tree of the parsed source code which has + * to adhere to the + * Mozilla Parser API. E.g. espree is a parser + * that produces such syntax trees. + *

+ * The main interface is the {@link analyze} function. + * @module escope + */ + +import { assert } from "./assert.js"; + +import ScopeManager from "./scope-manager.js"; +import Referencer from "./referencer.js"; +import Reference from "./reference.js"; +import Variable from "./variable.js"; + +import eslintScopeVersion from "./version.js"; + +/** + * Set the default options + * @returns {Object} options + */ +function defaultOptions() { + return { + optimistic: false, + nodejsScope: false, + impliedStrict: false, + sourceType: "script", // one of ['script', 'module', 'commonjs'] + ecmaVersion: 5, + childVisitorKeys: null, + fallback: "iteration" + }; +} + +/** + * Preform deep update on option object + * @param {Object} target Options + * @param {Object} override Updates + * @returns {Object} Updated options + */ +function updateDeeply(target, override) { + + /** + * Is hash object + * @param {Object} value Test value + * @returns {boolean} Result + */ + function isHashObject(value) { + return typeof value === "object" && value instanceof Object && !(value instanceof Array) && !(value instanceof RegExp); + } + + for (const key in override) { + if (Object.hasOwn(override, key)) { + const val = override[key]; + + if (isHashObject(val)) { + if (isHashObject(target[key])) { + updateDeeply(target[key], val); + } else { + target[key] = updateDeeply({}, val); + } + } else { + target[key] = val; + } + } + } + return target; +} + +/** + * Main interface function. Takes an Espree syntax tree and returns the + * analyzed scopes. + * @function analyze + * @param {espree.Tree} tree Abstract Syntax Tree + * @param {Object} providedOptions Options that tailor the scope analysis + * @param {boolean} [providedOptions.optimistic=false] the optimistic flag + * @param {boolean} [providedOptions.ignoreEval=false] whether to check 'eval()' calls + * @param {boolean} [providedOptions.nodejsScope=false] whether the whole + * script is executed under node.js environment. When enabled, escope adds + * a function scope immediately following the global scope. + * @param {boolean} [providedOptions.impliedStrict=false] implied strict mode + * (if ecmaVersion >= 5). + * @param {string} [providedOptions.sourceType='script'] the source type of the script. one of 'script', 'module', and 'commonjs' + * @param {number} [providedOptions.ecmaVersion=5] which ECMAScript version is considered + * @param {boolean} [providedOptions.jsx=false] support JSX references + * @param {Object} [providedOptions.childVisitorKeys=null] Additional known visitor keys. See [esrecurse](https://github.com/estools/esrecurse)'s the `childVisitorKeys` option. + * @param {string} [providedOptions.fallback='iteration'] A kind of the fallback in order to encounter with unknown node. See [esrecurse](https://github.com/estools/esrecurse)'s the `fallback` option. + * @returns {ScopeManager} ScopeManager + */ +function analyze(tree, providedOptions) { + const options = updateDeeply(defaultOptions(), providedOptions); + const scopeManager = new ScopeManager(options); + const referencer = new Referencer(options, scopeManager); + + referencer.visit(tree); + + assert(scopeManager.__currentScope === null, "currentScope should be null."); + + return scopeManager; +} + +export { + + /** @name module:escope.version */ + eslintScopeVersion as version, + + /** @name module:escope.Reference */ + Reference, + + /** @name module:escope.Variable */ + Variable, + + /** @name module:escope.ScopeManager */ + ScopeManager, + + /** @name module:escope.Referencer */ + Referencer, + + analyze +}; + +/** @name module:escope.Definition */ +export { Definition } from "./definition.js"; + +/** @name module:escope.PatternVisitor */ +export { default as PatternVisitor } from "./pattern-visitor.js"; + +/** @name module:escope.Scope */ +export { Scope } from "./scope.js"; + +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/eslint-scope/lib/pattern-visitor.js b/module/node_modules/eslint-scope/lib/pattern-visitor.js new file mode 100644 index 000000000..367a3773c --- /dev/null +++ b/module/node_modules/eslint-scope/lib/pattern-visitor.js @@ -0,0 +1,154 @@ +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +import estraverse from "estraverse"; +import esrecurse from "esrecurse"; + +const { Syntax } = estraverse; + +/** + * Get last array element + * @param {Array} xs array + * @returns {any} Last elment + */ +function getLast(xs) { + return xs.at(-1) || null; +} + +/** + * Visitor for destructuring patterns. + */ +class PatternVisitor extends esrecurse.Visitor { + static isPattern(node) { + const nodeType = node.type; + + return ( + nodeType === Syntax.Identifier || + nodeType === Syntax.ObjectPattern || + nodeType === Syntax.ArrayPattern || + nodeType === Syntax.SpreadElement || + nodeType === Syntax.RestElement || + nodeType === Syntax.AssignmentPattern + ); + } + + constructor(options, rootPattern, callback) { + super(null, options); + this.rootPattern = rootPattern; + this.callback = callback; + this.assignments = []; + this.rightHandNodes = []; + this.restElements = []; + } + + Identifier(pattern) { + const lastRestElement = getLast(this.restElements); + + this.callback(pattern, { + topLevel: pattern === this.rootPattern, + rest: lastRestElement !== null && lastRestElement !== void 0 && lastRestElement.argument === pattern, + assignments: this.assignments + }); + } + + Property(property) { + + // Computed property's key is a right hand node. + if (property.computed) { + this.rightHandNodes.push(property.key); + } + + // If it's shorthand, its key is same as its value. + // If it's shorthand and has its default value, its key is same as its value.left (the value is AssignmentPattern). + // If it's not shorthand, the name of new variable is its value's. + this.visit(property.value); + } + + ArrayPattern(pattern) { + for (let i = 0, iz = pattern.elements.length; i < iz; ++i) { + const element = pattern.elements[i]; + + this.visit(element); + } + } + + AssignmentPattern(pattern) { + this.assignments.push(pattern); + this.visit(pattern.left); + this.rightHandNodes.push(pattern.right); + this.assignments.pop(); + } + + RestElement(pattern) { + this.restElements.push(pattern); + this.visit(pattern.argument); + this.restElements.pop(); + } + + MemberExpression(node) { + + // Computed property's key is a right hand node. + if (node.computed) { + this.rightHandNodes.push(node.property); + } + + // the object is only read, write to its property. + this.rightHandNodes.push(node.object); + } + + // + // ForInStatement.left and AssignmentExpression.left are LeftHandSideExpression. + // By spec, LeftHandSideExpression is Pattern or MemberExpression. + // (see also: https://github.com/estree/estree/pull/20#issuecomment-74584758) + // But espree 2.0 parses to ArrayExpression, ObjectExpression, etc... + // + + SpreadElement(node) { + this.visit(node.argument); + } + + ArrayExpression(node) { + node.elements.forEach(this.visit, this); + } + + AssignmentExpression(node) { + this.assignments.push(node); + this.visit(node.left); + this.rightHandNodes.push(node.right); + this.assignments.pop(); + } + + CallExpression(node) { + + // arguments are right hand nodes. + node.arguments.forEach(a => { + this.rightHandNodes.push(a); + }); + this.visit(node.callee); + } +} + +export default PatternVisitor; + +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/eslint-scope/lib/reference.js b/module/node_modules/eslint-scope/lib/reference.js new file mode 100644 index 000000000..e657d6286 --- /dev/null +++ b/module/node_modules/eslint-scope/lib/reference.js @@ -0,0 +1,166 @@ +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +const READ = 0x1; +const WRITE = 0x2; +const RW = READ | WRITE; + +/** + * A Reference represents a single occurrence of an identifier in code. + * @constructor Reference + */ +class Reference { + constructor(ident, scope, flag, writeExpr, maybeImplicitGlobal, partial, init) { + + /** + * Identifier syntax node. + * @member {espreeIdentifier} Reference#identifier + */ + this.identifier = ident; + + /** + * Reference to the enclosing Scope. + * @member {Scope} Reference#from + */ + this.from = scope; + + /** + * Whether the reference comes from a dynamic scope (such as 'eval', + * 'with', etc.), and may be trapped by dynamic scopes. + * @member {boolean} Reference#tainted + */ + this.tainted = false; + + /** + * The variable this reference is resolved with. + * @member {Variable} Reference#resolved + */ + this.resolved = null; + + /** + * The read-write mode of the reference. (Value is one of {@link + * Reference.READ}, {@link Reference.RW}, {@link Reference.WRITE}). + * @member {number} Reference#flag + * @private + */ + this.flag = flag; + if (this.isWrite()) { + + /** + * If reference is writeable, this is the tree being written to it. + * @member {espreeNode} Reference#writeExpr + */ + this.writeExpr = writeExpr; + + /** + * Whether the Reference might refer to a partial value of writeExpr. + * @member {boolean} Reference#partial + */ + this.partial = partial; + + /** + * Whether the Reference is to write of initialization. + * @member {boolean} Reference#init + */ + this.init = init; + } + this.__maybeImplicitGlobal = maybeImplicitGlobal; + } + + /** + * Whether the reference is static. + * @function Reference#isStatic + * @returns {boolean} static + */ + isStatic() { + return !this.tainted && this.resolved && this.resolved.scope.isStatic(); + } + + /** + * Whether the reference is writeable. + * @function Reference#isWrite + * @returns {boolean} write + */ + isWrite() { + return !!(this.flag & Reference.WRITE); + } + + /** + * Whether the reference is readable. + * @function Reference#isRead + * @returns {boolean} read + */ + isRead() { + return !!(this.flag & Reference.READ); + } + + /** + * Whether the reference is read-only. + * @function Reference#isReadOnly + * @returns {boolean} read only + */ + isReadOnly() { + return this.flag === Reference.READ; + } + + /** + * Whether the reference is write-only. + * @function Reference#isWriteOnly + * @returns {boolean} write only + */ + isWriteOnly() { + return this.flag === Reference.WRITE; + } + + /** + * Whether the reference is read-write. + * @function Reference#isReadWrite + * @returns {boolean} read write + */ + isReadWrite() { + return this.flag === Reference.RW; + } +} + +/** + * @constant Reference.READ + * @private + */ +Reference.READ = READ; + +/** + * @constant Reference.WRITE + * @private + */ +Reference.WRITE = WRITE; + +/** + * @constant Reference.RW + * @private + */ +Reference.RW = RW; + +export default Reference; + +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/eslint-scope/lib/referencer.js b/module/node_modules/eslint-scope/lib/referencer.js new file mode 100644 index 000000000..ad88ea20d --- /dev/null +++ b/module/node_modules/eslint-scope/lib/referencer.js @@ -0,0 +1,708 @@ +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +import estraverse from "estraverse"; +import esrecurse from "esrecurse"; +import Reference from "./reference.js"; +import Variable from "./variable.js"; +import PatternVisitor from "./pattern-visitor.js"; +import { Definition, ParameterDefinition } from "./definition.js"; +import { assert } from "./assert.js"; + +const { Syntax } = estraverse; + +/** + * Traverse identifier in pattern + * @param {Object} options options + * @param {pattern} rootPattern root pattern + * @param {Refencer} referencer referencer + * @param {callback} callback callback + * @returns {void} + */ +function traverseIdentifierInPattern(options, rootPattern, referencer, callback) { + + // Call the callback at left hand identifier nodes, and Collect right hand nodes. + const visitor = new PatternVisitor(options, rootPattern, callback); + + visitor.visit(rootPattern); + + // Process the right hand nodes recursively. + if (referencer !== null && referencer !== void 0) { + visitor.rightHandNodes.forEach(referencer.visit, referencer); + } +} + +// Importing ImportDeclaration. +// http://people.mozilla.org/~jorendorff/es6-draft.html#sec-moduledeclarationinstantiation +// https://github.com/estree/estree/blob/master/es6.md#importdeclaration +// FIXME: Now, we don't create module environment, because the context is +// implementation dependent. + +/** + * Visitor for import specifiers. + */ +class Importer extends esrecurse.Visitor { + constructor(declaration, referencer) { + super(null, referencer.options); + this.declaration = declaration; + this.referencer = referencer; + } + + visitImport(id, specifier) { + this.referencer.visitPattern(id, pattern => { + this.referencer.currentScope().__define(pattern, + new Definition( + Variable.ImportBinding, + pattern, + specifier, + this.declaration, + null, + null + )); + }); + } + + ImportNamespaceSpecifier(node) { + const local = (node.local || node.id); + + if (local) { + this.visitImport(local, node); + } + } + + ImportDefaultSpecifier(node) { + const local = (node.local || node.id); + + this.visitImport(local, node); + } + + ImportSpecifier(node) { + const local = (node.local || node.id); + + if (node.name) { + this.visitImport(node.name, node); + } else { + this.visitImport(local, node); + } + } +} + +/** + * Referencing variables and creating bindings. + */ +class Referencer extends esrecurse.Visitor { + constructor(options, scopeManager) { + super(null, options); + this.options = options; + this.scopeManager = scopeManager; + this.parent = null; + this.isInnerMethodDefinition = false; + } + + currentScope() { + return this.scopeManager.__currentScope; + } + + close(node) { + while (this.currentScope() && node === this.currentScope().block) { + this.scopeManager.__currentScope = this.currentScope().__close(this.scopeManager); + } + } + + pushInnerMethodDefinition(isInnerMethodDefinition) { + const previous = this.isInnerMethodDefinition; + + this.isInnerMethodDefinition = isInnerMethodDefinition; + return previous; + } + + popInnerMethodDefinition(isInnerMethodDefinition) { + this.isInnerMethodDefinition = isInnerMethodDefinition; + } + + referencingDefaultValue(pattern, assignments, maybeImplicitGlobal, init) { + const scope = this.currentScope(); + + assignments.forEach(assignment => { + scope.__referencing( + pattern, + Reference.WRITE, + assignment.right, + maybeImplicitGlobal, + pattern !== assignment.left, + init + ); + }); + } + + visitPattern(node, options, callback) { + let visitPatternOptions = options; + let visitPatternCallback = callback; + + if (typeof options === "function") { + visitPatternCallback = options; + visitPatternOptions = { processRightHandNodes: false }; + } + + traverseIdentifierInPattern( + this.options, + node, + visitPatternOptions.processRightHandNodes ? this : null, + visitPatternCallback + ); + } + + visitFunction(node) { + let i, iz; + + // FunctionDeclaration name is defined in upper scope + // NOTE: Not referring variableScope. It is intended. + // Since + // in ES5, FunctionDeclaration should be in FunctionBody. + // in ES6, FunctionDeclaration should be block scoped. + + if (node.type === Syntax.FunctionDeclaration) { + + // id is defined in upper scope + this.currentScope().__define(node.id, + new Definition( + Variable.FunctionName, + node.id, + node, + null, + null, + null + )); + } + + // FunctionExpression with name creates its special scope; + // FunctionExpressionNameScope. + if (node.type === Syntax.FunctionExpression && node.id) { + this.scopeManager.__nestFunctionExpressionNameScope(node); + } + + // Consider this function is in the MethodDefinition. + this.scopeManager.__nestFunctionScope(node, this.isInnerMethodDefinition); + + const that = this; + + /** + * Visit pattern callback + * @param {pattern} pattern pattern + * @param {Object} info info + * @returns {void} + */ + function visitPatternCallback(pattern, info) { + that.currentScope().__define(pattern, + new ParameterDefinition( + pattern, + node, + i, + info.rest + )); + + that.referencingDefaultValue(pattern, info.assignments, null, true); + } + + // Process parameter declarations. + for (i = 0, iz = node.params.length; i < iz; ++i) { + this.visitPattern(node.params[i], { processRightHandNodes: true }, visitPatternCallback); + } + + // if there's a rest argument, add that + if (node.rest) { + this.visitPattern({ + type: "RestElement", + argument: node.rest + }, pattern => { + this.currentScope().__define(pattern, + new ParameterDefinition( + pattern, + node, + node.params.length, + true + )); + }); + } + + // In TypeScript there are a number of function-like constructs which have no body, + // so check it exists before traversing + if (node.body) { + + // Skip BlockStatement to prevent creating BlockStatement scope. + if (node.body.type === Syntax.BlockStatement) { + this.visitChildren(node.body); + } else { + this.visit(node.body); + } + } + + this.close(node); + } + + visitClass(node) { + if (node.type === Syntax.ClassDeclaration) { + this.currentScope().__define(node.id, + new Definition( + Variable.ClassName, + node.id, + node, + null, + null, + null + )); + } + + this.scopeManager.__nestClassScope(node); + + if (node.id) { + this.currentScope().__define(node.id, + new Definition( + Variable.ClassName, + node.id, + node + )); + } + + this.visit(node.superClass); + this.visit(node.body); + + this.close(node); + } + + visitProperty(node) { + let previous; + + if (node.computed) { + this.visit(node.key); + } + + const isMethodDefinition = node.type === Syntax.MethodDefinition; + + if (isMethodDefinition) { + previous = this.pushInnerMethodDefinition(true); + } + this.visit(node.value); + if (isMethodDefinition) { + this.popInnerMethodDefinition(previous); + } + } + + visitForIn(node) { + if (node.left.type === Syntax.VariableDeclaration && node.left.kind !== "var") { + this.scopeManager.__nestForScope(node); + } + + if (node.left.type === Syntax.VariableDeclaration) { + this.visit(node.left); + this.visitPattern(node.left.declarations[0].id, pattern => { + this.currentScope().__referencing(pattern, Reference.WRITE, node.right, null, true, true); + }); + } else { + this.visitPattern(node.left, { processRightHandNodes: true }, (pattern, info) => { + let maybeImplicitGlobal = null; + + if (!this.currentScope().isStrict) { + maybeImplicitGlobal = { + pattern, + node + }; + } + this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false); + this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, true, false); + }); + } + this.visit(node.right); + this.visit(node.body); + + this.close(node); + } + + visitVariableDeclaration(variableTargetScope, type, node, index) { + + const decl = node.declarations[index]; + const init = decl.init; + + this.visitPattern(decl.id, { processRightHandNodes: true }, (pattern, info) => { + variableTargetScope.__define( + pattern, + new Definition( + type, + pattern, + decl, + node, + index, + node.kind + ) + ); + + this.referencingDefaultValue(pattern, info.assignments, null, true); + if (init) { + this.currentScope().__referencing(pattern, Reference.WRITE, init, null, !info.topLevel, true); + } + }); + } + + AssignmentExpression(node) { + if (PatternVisitor.isPattern(node.left)) { + if (node.operator === "=") { + this.visitPattern(node.left, { processRightHandNodes: true }, (pattern, info) => { + let maybeImplicitGlobal = null; + + if (!this.currentScope().isStrict) { + maybeImplicitGlobal = { + pattern, + node + }; + } + this.referencingDefaultValue(pattern, info.assignments, maybeImplicitGlobal, false); + this.currentScope().__referencing(pattern, Reference.WRITE, node.right, maybeImplicitGlobal, !info.topLevel, false); + }); + } else { + this.currentScope().__referencing(node.left, Reference.RW, node.right); + } + } else { + this.visit(node.left); + } + this.visit(node.right); + } + + CatchClause(node) { + this.scopeManager.__nestCatchScope(node); + + this.visitPattern(node.param, { processRightHandNodes: true }, (pattern, info) => { + this.currentScope().__define(pattern, + new Definition( + Variable.CatchClause, + pattern, + node, + null, + null, + null + )); + this.referencingDefaultValue(pattern, info.assignments, null, true); + }); + this.visit(node.body); + + this.close(node); + } + + Program(node) { + this.scopeManager.__nestGlobalScope(node); + + if (this.scopeManager.isGlobalReturn()) { + + // Force strictness of GlobalScope to false when using node.js scope. + this.currentScope().isStrict = false; + this.scopeManager.__nestFunctionScope(node, false); + } + + if (this.scopeManager.__isES6() && this.scopeManager.isModule()) { + this.scopeManager.__nestModuleScope(node); + } + + if (this.scopeManager.isStrictModeSupported() && this.scopeManager.isImpliedStrict()) { + this.currentScope().isStrict = true; + } + + this.visitChildren(node); + this.close(node); + } + + Identifier(node) { + this.currentScope().__referencing(node); + } + + // eslint-disable-next-line class-methods-use-this -- Desired as instance method + PrivateIdentifier() { + + // Do nothing. + } + + UpdateExpression(node) { + if (PatternVisitor.isPattern(node.argument)) { + this.currentScope().__referencing(node.argument, Reference.RW, null); + } else { + this.visitChildren(node); + } + } + + MemberExpression(node) { + this.visit(node.object); + if (node.computed) { + this.visit(node.property); + } + } + + Property(node) { + this.visitProperty(node); + } + + PropertyDefinition(node) { + const { computed, key, value } = node; + + if (computed) { + this.visit(key); + } + if (value) { + this.scopeManager.__nestClassFieldInitializerScope(value); + this.visit(value); + this.close(value); + } + } + + StaticBlock(node) { + this.scopeManager.__nestClassStaticBlockScope(node); + + this.visitChildren(node); + + this.close(node); + } + + MethodDefinition(node) { + this.visitProperty(node); + } + + BreakStatement() {} // eslint-disable-line class-methods-use-this -- Desired as instance method + + ContinueStatement() {} // eslint-disable-line class-methods-use-this -- Desired as instance method + + LabeledStatement(node) { + this.visit(node.body); + } + + ForStatement(node) { + + // Create ForStatement declaration. + // NOTE: In ES6, ForStatement dynamically generates + // per iteration environment. However, escope is + // a static analyzer, we only generate one scope for ForStatement. + if (node.init && node.init.type === Syntax.VariableDeclaration && node.init.kind !== "var") { + this.scopeManager.__nestForScope(node); + } + + this.visitChildren(node); + + this.close(node); + } + + ClassExpression(node) { + this.visitClass(node); + } + + ClassDeclaration(node) { + this.visitClass(node); + } + + CallExpression(node) { + + // Check this is direct call to eval + if (!this.scopeManager.__ignoreEval() && node.callee.type === Syntax.Identifier && node.callee.name === "eval") { + + // NOTE: This should be `variableScope`. Since direct eval call always creates Lexical environment and + // let / const should be enclosed into it. Only VariableDeclaration affects on the caller's environment. + this.currentScope().variableScope.__detectEval(); + } + this.visitChildren(node); + } + + BlockStatement(node) { + if (this.scopeManager.__isES6()) { + this.scopeManager.__nestBlockScope(node); + } + + this.visitChildren(node); + + this.close(node); + } + + ThisExpression() { + this.currentScope().variableScope.__detectThis(); + } + + WithStatement(node) { + this.visit(node.object); + + // Then nest scope for WithStatement. + this.scopeManager.__nestWithScope(node); + + this.visit(node.body); + + this.close(node); + } + + VariableDeclaration(node) { + const variableTargetScope = (node.kind === "var") ? this.currentScope().variableScope : this.currentScope(); + + for (let i = 0, iz = node.declarations.length; i < iz; ++i) { + const decl = node.declarations[i]; + + this.visitVariableDeclaration(variableTargetScope, Variable.Variable, node, i); + if (decl.init) { + this.visit(decl.init); + } + } + } + + // sec 13.11.8 + SwitchStatement(node) { + this.visit(node.discriminant); + + if (this.scopeManager.__isES6()) { + this.scopeManager.__nestSwitchScope(node); + } + + for (let i = 0, iz = node.cases.length; i < iz; ++i) { + this.visit(node.cases[i]); + } + + this.close(node); + } + + FunctionDeclaration(node) { + this.visitFunction(node); + } + + FunctionExpression(node) { + this.visitFunction(node); + } + + ForOfStatement(node) { + this.visitForIn(node); + } + + ForInStatement(node) { + this.visitForIn(node); + } + + ArrowFunctionExpression(node) { + this.visitFunction(node); + } + + ImportDeclaration(node) { + assert(this.scopeManager.__isES6() && this.scopeManager.isModule(), "ImportDeclaration should appear when the mode is ES6 and in the module context."); + + const importer = new Importer(node, this); + + importer.visit(node); + } + + visitExportDeclaration(node) { + if (node.source) { + return; + } + if (node.declaration) { + this.visit(node.declaration); + return; + } + + this.visitChildren(node); + } + + // TODO: ExportDeclaration doesn't exist. for bc? + ExportDeclaration(node) { + this.visitExportDeclaration(node); + } + + ExportAllDeclaration(node) { + this.visitExportDeclaration(node); + } + + ExportDefaultDeclaration(node) { + this.visitExportDeclaration(node); + } + + ExportNamedDeclaration(node) { + this.visitExportDeclaration(node); + } + + ExportSpecifier(node) { + + // TODO: `node.id` doesn't exist. for bc? + const local = (node.id || node.local); + + this.visit(local); + } + + MetaProperty() { // eslint-disable-line class-methods-use-this -- Desired as instance method + + // do nothing. + } + + JSXIdentifier(node) { + + // Special case: "this" should not count as a reference + if (this.scopeManager.__isJSXEnabled() && node.name !== "this") { + this.currentScope().__referencing(node); + } + } + + JSXMemberExpression(node) { + this.visit(node.object); + } + + JSXElement(node) { + if (this.scopeManager.__isJSXEnabled()) { + this.visit(node.openingElement); + node.children.forEach(this.visit, this); + } else { + this.visitChildren(node); + } + } + + JSXOpeningElement(node) { + if (this.scopeManager.__isJSXEnabled()) { + + const nameNode = node.name; + const isComponentName = nameNode.type === "JSXIdentifier" && nameNode.name[0].toUpperCase() === nameNode.name[0]; + const isComponent = isComponentName || nameNode.type === "JSXMemberExpression"; + + // we only want to visit JSXIdentifier nodes if they are capitalized + if (isComponent) { + this.visit(nameNode); + } + } + + node.attributes.forEach(this.visit, this); + } + + JSXAttribute(node) { + if (node.value) { + this.visit(node.value); + } + } + + JSXExpressionContainer(node) { + this.visit(node.expression); + } + + JSXNamespacedName(node) { + this.visit(node.namespace); + this.visit(node.name); + } +} + +export default Referencer; + +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/eslint-scope/lib/scope-manager.js b/module/node_modules/eslint-scope/lib/scope-manager.js new file mode 100644 index 000000000..b012b646d --- /dev/null +++ b/module/node_modules/eslint-scope/lib/scope-manager.js @@ -0,0 +1,253 @@ +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +import { + BlockScope, + CatchScope, + ClassFieldInitializerScope, + ClassStaticBlockScope, + ClassScope, + ForScope, + FunctionExpressionNameScope, + FunctionScope, + GlobalScope, + ModuleScope, + SwitchScope, + WithScope +} from "./scope.js"; +import { assert } from "./assert.js"; + +/** + * @constructor ScopeManager + */ +class ScopeManager { + constructor(options) { + this.scopes = []; + this.globalScope = null; + this.__nodeToScope = new WeakMap(); + this.__currentScope = null; + this.__options = options; + this.__declaredVariables = new WeakMap(); + } + + __isOptimistic() { + return this.__options.optimistic; + } + + __ignoreEval() { + return this.__options.ignoreEval; + } + + __isJSXEnabled() { + return this.__options.jsx === true; + } + + isGlobalReturn() { + return this.__options.nodejsScope || this.__options.sourceType === "commonjs"; + } + + isModule() { + return this.__options.sourceType === "module"; + } + + isImpliedStrict() { + return this.__options.impliedStrict; + } + + isStrictModeSupported() { + return this.__options.ecmaVersion >= 5; + } + + // Returns appropriate scope for this node. + __get(node) { + return this.__nodeToScope.get(node); + } + + /** + * Get variables that are declared by the node. + * + * "are declared by the node" means the node is same as `Variable.defs[].node` or `Variable.defs[].parent`. + * If the node declares nothing, this method returns an empty array. + * CAUTION: This API is experimental. See https://github.com/estools/escope/pull/69 for more details. + * @param {Espree.Node} node a node to get. + * @returns {Variable[]} variables that declared by the node. + */ + getDeclaredVariables(node) { + return this.__declaredVariables.get(node) || []; + } + + /** + * acquire scope from node. + * @function ScopeManager#acquire + * @param {Espree.Node} node node for the acquired scope. + * @param {?boolean} [inner=false] look up the most inner scope, default value is false. + * @returns {Scope?} Scope from node + */ + acquire(node, inner) { + + /** + * predicate + * @param {Scope} testScope scope to test + * @returns {boolean} predicate + */ + function predicate(testScope) { + if (testScope.type === "function" && testScope.functionExpressionScope) { + return false; + } + return true; + } + + const scopes = this.__get(node); + + if (!scopes || scopes.length === 0) { + return null; + } + + // Heuristic selection from all scopes. + // If you would like to get all scopes, please use ScopeManager#acquireAll. + if (scopes.length === 1) { + return scopes[0]; + } + + if (inner) { + for (let i = scopes.length - 1; i >= 0; --i) { + const scope = scopes[i]; + + if (predicate(scope)) { + return scope; + } + } + } else { + for (let i = 0, iz = scopes.length; i < iz; ++i) { + const scope = scopes[i]; + + if (predicate(scope)) { + return scope; + } + } + } + + return null; + } + + /** + * acquire all scopes from node. + * @function ScopeManager#acquireAll + * @param {Espree.Node} node node for the acquired scope. + * @returns {Scopes?} Scope array + */ + acquireAll(node) { + return this.__get(node); + } + + /** + * release the node. + * @function ScopeManager#release + * @param {Espree.Node} node releasing node. + * @param {?boolean} [inner=false] look up the most inner scope, default value is false. + * @returns {Scope?} upper scope for the node. + */ + release(node, inner) { + const scopes = this.__get(node); + + if (scopes && scopes.length) { + const scope = scopes[0].upper; + + if (!scope) { + return null; + } + return this.acquire(scope.block, inner); + } + return null; + } + + attach() { } // eslint-disable-line class-methods-use-this -- Desired as instance method + + detach() { } // eslint-disable-line class-methods-use-this -- Desired as instance method + + __nestScope(scope) { + if (scope instanceof GlobalScope) { + assert(this.__currentScope === null); + this.globalScope = scope; + } + this.__currentScope = scope; + return scope; + } + + __nestGlobalScope(node) { + return this.__nestScope(new GlobalScope(this, node)); + } + + __nestBlockScope(node) { + return this.__nestScope(new BlockScope(this, this.__currentScope, node)); + } + + __nestFunctionScope(node, isMethodDefinition) { + return this.__nestScope(new FunctionScope(this, this.__currentScope, node, isMethodDefinition)); + } + + __nestForScope(node) { + return this.__nestScope(new ForScope(this, this.__currentScope, node)); + } + + __nestCatchScope(node) { + return this.__nestScope(new CatchScope(this, this.__currentScope, node)); + } + + __nestWithScope(node) { + return this.__nestScope(new WithScope(this, this.__currentScope, node)); + } + + __nestClassScope(node) { + return this.__nestScope(new ClassScope(this, this.__currentScope, node)); + } + + __nestClassFieldInitializerScope(node) { + return this.__nestScope(new ClassFieldInitializerScope(this, this.__currentScope, node)); + } + + __nestClassStaticBlockScope(node) { + return this.__nestScope(new ClassStaticBlockScope(this, this.__currentScope, node)); + } + + __nestSwitchScope(node) { + return this.__nestScope(new SwitchScope(this, this.__currentScope, node)); + } + + __nestModuleScope(node) { + return this.__nestScope(new ModuleScope(this, this.__currentScope, node)); + } + + __nestFunctionExpressionNameScope(node) { + return this.__nestScope(new FunctionExpressionNameScope(this, this.__currentScope, node)); + } + + __isES6() { + return this.__options.ecmaVersion >= 6; + } +} + +export default ScopeManager; + +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/eslint-scope/lib/scope.js b/module/node_modules/eslint-scope/lib/scope.js new file mode 100644 index 000000000..46eeb7719 --- /dev/null +++ b/module/node_modules/eslint-scope/lib/scope.js @@ -0,0 +1,793 @@ +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +import estraverse from "estraverse"; + +import Reference from "./reference.js"; +import Variable from "./variable.js"; +import { Definition } from "./definition.js"; +import { assert } from "./assert.js"; + +const { Syntax } = estraverse; + +/** + * Test if scope is struct + * @param {Scope} scope scope + * @param {Block} block block + * @param {boolean} isMethodDefinition is method definition + * @returns {boolean} is strict scope + */ +function isStrictScope(scope, block, isMethodDefinition) { + let body; + + // When upper scope is exists and strict, inner scope is also strict. + if (scope.upper && scope.upper.isStrict) { + return true; + } + + if (isMethodDefinition) { + return true; + } + + if (scope.type === "class" || scope.type === "module") { + return true; + } + + if (scope.type === "block" || scope.type === "switch") { + return false; + } + + if (scope.type === "function") { + if (block.type === Syntax.ArrowFunctionExpression && block.body.type !== Syntax.BlockStatement) { + return false; + } + + if (block.type === Syntax.Program) { + body = block; + } else { + body = block.body; + } + + if (!body) { + return false; + } + } else if (scope.type === "global") { + body = block; + } else { + return false; + } + + // Search for a 'use strict' directive. + for (let i = 0, iz = body.body.length; i < iz; ++i) { + const stmt = body.body[i]; + + /* + * Check if the current statement is a directive. + * If it isn't, then we're past the directive prologue + * so stop the search because directives cannot + * appear after this point. + * + * Some parsers set `directive:null` on non-directive + * statements, so the `typeof` check is safer than + * checking for property existence. + */ + if (typeof stmt.directive !== "string") { + break; + } + + if (stmt.directive === "use strict") { + return true; + } + } + + return false; +} + +/** + * Register scope + * @param {ScopeManager} scopeManager scope manager + * @param {Scope} scope scope + * @returns {void} + */ +function registerScope(scopeManager, scope) { + scopeManager.scopes.push(scope); + + const scopes = scopeManager.__nodeToScope.get(scope.block); + + if (scopes) { + scopes.push(scope); + } else { + scopeManager.__nodeToScope.set(scope.block, [scope]); + } +} + +/** + * Should be statically + * @param {Object} def def + * @returns {boolean} should be statically + */ +function shouldBeStatically(def) { + return ( + (def.type === Variable.ClassName) || + (def.type === Variable.Variable && def.parent.kind !== "var") + ); +} + +/** + * @constructor Scope + */ +class Scope { + constructor(scopeManager, type, upperScope, block, isMethodDefinition) { + + /** + * One of "global", "module", "function", "function-expression-name", "block", "switch", "catch", "with", "for", + * "class", "class-field-initializer", "class-static-block". + * @member {string} Scope#type + */ + this.type = type; + + /** + * The scoped {@link Variable}s of this scope, as { Variable.name + * : Variable }. + * @member {Map} Scope#set + */ + this.set = new Map(); + + /** + * The tainted variables of this scope, as { Variable.name : + * boolean }. + * @member {Map} Scope#taints + */ + this.taints = new Map(); + + /** + * Generally, through the lexical scoping of JS you can always know + * which variable an identifier in the source code refers to. There are + * a few exceptions to this rule. With 'global' and 'with' scopes you + * can only decide at runtime which variable a reference refers to. + * Moreover, if 'eval()' is used in a scope, it might introduce new + * bindings in this or its parent scopes. + * All those scopes are considered 'dynamic'. + * @member {boolean} Scope#dynamic + */ + this.dynamic = this.type === "global" || this.type === "with"; + + /** + * A reference to the scope-defining syntax node. + * @member {espree.Node} Scope#block + */ + this.block = block; + + /** + * The {@link Reference|references} that are not resolved with this scope. + * @member {Reference[]} Scope#through + */ + this.through = []; + + /** + * The scoped {@link Variable}s of this scope. In the case of a + * 'function' scope this includes the automatic argument arguments as + * its first element, as well as all further formal arguments. + * @member {Variable[]} Scope#variables + */ + this.variables = []; + + /** + * Any variable {@link Reference|reference} found in this scope. This + * includes occurrences of local variables as well as variables from + * parent scopes (including the global scope). For local variables + * this also includes defining occurrences (like in a 'var' statement). + * In a 'function' scope this does not include the occurrences of the + * formal parameter in the parameter list. + * @member {Reference[]} Scope#references + */ + this.references = []; + + /** + * For 'global' and 'function' scopes, this is a self-reference. For + * other scope types this is the variableScope value of the + * parent scope. + * @member {Scope} Scope#variableScope + */ + this.variableScope = + this.type === "global" || + this.type === "module" || + this.type === "function" || + this.type === "class-field-initializer" || + this.type === "class-static-block" + ? this + : upperScope.variableScope; + + /** + * Whether this scope is created by a FunctionExpression. + * @member {boolean} Scope#functionExpressionScope + */ + this.functionExpressionScope = false; + + /** + * Whether this is a scope that contains an 'eval()' invocation. + * @member {boolean} Scope#directCallToEvalScope + */ + this.directCallToEvalScope = false; + + /** + * @member {boolean} Scope#thisFound + */ + this.thisFound = false; + + this.__left = []; + + /** + * Reference to the parent {@link Scope|scope}. + * @member {Scope} Scope#upper + */ + this.upper = upperScope; + + /** + * Whether 'use strict' is in effect in this scope. + * @member {boolean} Scope#isStrict + */ + this.isStrict = scopeManager.isStrictModeSupported() + ? isStrictScope(this, block, isMethodDefinition) + : false; + + /** + * List of nested {@link Scope}s. + * @member {Scope[]} Scope#childScopes + */ + this.childScopes = []; + if (this.upper) { + this.upper.childScopes.push(this); + } + + this.__declaredVariables = scopeManager.__declaredVariables; + + registerScope(scopeManager, this); + } + + __shouldStaticallyClose(scopeManager) { + return (!this.dynamic || scopeManager.__isOptimistic()); + } + + __shouldStaticallyCloseForGlobal(ref) { + + // On global scope, let/const/class declarations should be resolved statically. + const name = ref.identifier.name; + + if (!this.set.has(name)) { + return false; + } + + const variable = this.set.get(name); + const defs = variable.defs; + + return defs.length > 0 && defs.every(shouldBeStatically); + } + + __staticCloseRef(ref) { + if (!this.__resolve(ref)) { + this.__delegateToUpperScope(ref); + } + } + + __dynamicCloseRef(ref) { + + // notify all names are through to global + let current = this; + + do { + current.through.push(ref); + current = current.upper; + } while (current); + } + + __globalCloseRef(ref) { + + // let/const/class declarations should be resolved statically. + // others should be resolved dynamically. + if (this.__shouldStaticallyCloseForGlobal(ref)) { + this.__staticCloseRef(ref); + } else { + this.__dynamicCloseRef(ref); + } + } + + __close(scopeManager) { + let closeRef; + + if (this.__shouldStaticallyClose(scopeManager)) { + closeRef = this.__staticCloseRef; + } else if (this.type !== "global") { + closeRef = this.__dynamicCloseRef; + } else { + closeRef = this.__globalCloseRef; + } + + // Try Resolving all references in this scope. + for (let i = 0, iz = this.__left.length; i < iz; ++i) { + const ref = this.__left[i]; + + closeRef.call(this, ref); + } + this.__left = null; + + return this.upper; + } + + // To override by function scopes. + // References in default parameters isn't resolved to variables which are in their function body. + __isValidResolution(ref, variable) { // eslint-disable-line class-methods-use-this, no-unused-vars -- Desired as instance method with signature + return true; + } + + __resolve(ref) { + const name = ref.identifier.name; + + if (!this.set.has(name)) { + return false; + } + const variable = this.set.get(name); + + if (!this.__isValidResolution(ref, variable)) { + return false; + } + variable.references.push(ref); + variable.stack = variable.stack && ref.from.variableScope === this.variableScope; + if (ref.tainted) { + variable.tainted = true; + this.taints.set(variable.name, true); + } + ref.resolved = variable; + + return true; + } + + __delegateToUpperScope(ref) { + if (this.upper) { + this.upper.__left.push(ref); + } + this.through.push(ref); + } + + __addDeclaredVariablesOfNode(variable, node) { + if (node === null || node === void 0) { + return; + } + + let variables = this.__declaredVariables.get(node); + + if (variables === null || variables === void 0) { + variables = []; + this.__declaredVariables.set(node, variables); + } + if (!variables.includes(variable)) { + variables.push(variable); + } + } + + __defineGeneric(name, set, variables, node, def) { + let variable; + + variable = set.get(name); + if (!variable) { + variable = new Variable(name, this); + set.set(name, variable); + variables.push(variable); + } + + if (def) { + variable.defs.push(def); + this.__addDeclaredVariablesOfNode(variable, def.node); + this.__addDeclaredVariablesOfNode(variable, def.parent); + } + if (node) { + variable.identifiers.push(node); + } + } + + __define(node, def) { + if (node && node.type === Syntax.Identifier) { + this.__defineGeneric( + node.name, + this.set, + this.variables, + node, + def + ); + } + } + + __referencing(node, assign, writeExpr, maybeImplicitGlobal, partial, init) { + + // because Array element may be null + if (!node || (node.type !== Syntax.Identifier && node.type !== "JSXIdentifier")) { + return; + } + + // Specially handle like `this`. + if (node.name === "super") { + return; + } + + const ref = new Reference(node, this, assign || Reference.READ, writeExpr, maybeImplicitGlobal, !!partial, !!init); + + this.references.push(ref); + this.__left.push(ref); + } + + __detectEval() { + let current = this; + + this.directCallToEvalScope = true; + do { + current.dynamic = true; + current = current.upper; + } while (current); + } + + __detectThis() { + this.thisFound = true; + } + + __isClosed() { + return this.__left === null; + } + + /** + * returns resolved {Reference} + * @function Scope#resolve + * @param {Espree.Identifier} ident identifier to be resolved. + * @returns {Reference} reference + */ + resolve(ident) { + let ref, i, iz; + + assert(this.__isClosed(), "Scope should be closed."); + assert(ident.type === Syntax.Identifier, "Target should be identifier."); + for (i = 0, iz = this.references.length; i < iz; ++i) { + ref = this.references[i]; + if (ref.identifier === ident) { + return ref; + } + } + return null; + } + + /** + * returns this scope is static + * @function Scope#isStatic + * @returns {boolean} static + */ + isStatic() { + return !this.dynamic; + } + + /** + * returns this scope has materialized arguments + * @function Scope#isArgumentsMaterialized + * @returns {boolean} arguemnts materialized + */ + isArgumentsMaterialized() { // eslint-disable-line class-methods-use-this -- Desired as instance method + return true; + } + + /** + * returns this scope has materialized `this` reference + * @function Scope#isThisMaterialized + * @returns {boolean} this materialized + */ + isThisMaterialized() { // eslint-disable-line class-methods-use-this -- Desired as instance method + return true; + } + + isUsedName(name) { + if (this.set.has(name)) { + return true; + } + for (let i = 0, iz = this.through.length; i < iz; ++i) { + if (this.through[i].identifier.name === name) { + return true; + } + } + return false; + } +} + +/** + * Global scope. + */ +class GlobalScope extends Scope { + constructor(scopeManager, block) { + super(scopeManager, "global", null, block, false); + this.implicit = { + set: new Map(), + variables: [], + + /** + * List of {@link Reference}s that are left to be resolved (i.e. which + * need to be linked to the variable they refer to). + * @member {Reference[]} Scope#implicit#left + */ + left: [] + }; + } + + __close(scopeManager) { + const implicit = []; + + for (let i = 0, iz = this.__left.length; i < iz; ++i) { + const ref = this.__left[i]; + + if (ref.__maybeImplicitGlobal && !this.set.has(ref.identifier.name)) { + implicit.push(ref.__maybeImplicitGlobal); + } + } + + // create an implicit global variable from assignment expression + for (let i = 0, iz = implicit.length; i < iz; ++i) { + const info = implicit[i]; + + this.__defineImplicit(info.pattern, + new Definition( + Variable.ImplicitGlobalVariable, + info.pattern, + info.node, + null, + null, + null + )); + + } + + this.implicit.left = this.__left; + + return super.__close(scopeManager); + } + + __defineImplicit(node, def) { + if (node && node.type === Syntax.Identifier) { + this.__defineGeneric( + node.name, + this.implicit.set, + this.implicit.variables, + node, + def + ); + } + } +} + +/** + * Module scope. + */ +class ModuleScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "module", upperScope, block, false); + } +} + +/** + * Function expression name scope. + */ +class FunctionExpressionNameScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "function-expression-name", upperScope, block, false); + this.__define(block.id, + new Definition( + Variable.FunctionName, + block.id, + block, + null, + null, + null + )); + this.functionExpressionScope = true; + } +} + +/** + * Catch scope. + */ +class CatchScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "catch", upperScope, block, false); + } +} + +/** + * With statement scope. + */ +class WithScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "with", upperScope, block, false); + } + + __close(scopeManager) { + if (this.__shouldStaticallyClose(scopeManager)) { + return super.__close(scopeManager); + } + + for (let i = 0, iz = this.__left.length; i < iz; ++i) { + const ref = this.__left[i]; + + ref.tainted = true; + this.__delegateToUpperScope(ref); + } + this.__left = null; + + return this.upper; + } +} + +/** + * Block scope. + */ +class BlockScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "block", upperScope, block, false); + } +} + +/** + * Switch scope. + */ +class SwitchScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "switch", upperScope, block, false); + } +} + +/** + * Function scope. + */ +class FunctionScope extends Scope { + constructor(scopeManager, upperScope, block, isMethodDefinition) { + super(scopeManager, "function", upperScope, block, isMethodDefinition); + + // section 9.2.13, FunctionDeclarationInstantiation. + // NOTE Arrow functions never have an arguments objects. + if (this.block.type !== Syntax.ArrowFunctionExpression) { + this.__defineArguments(); + } + } + + isArgumentsMaterialized() { + + // TODO(Constellation) + // We can more aggressive on this condition like this. + // + // function t() { + // // arguments of t is always hidden. + // function arguments() { + // } + // } + if (this.block.type === Syntax.ArrowFunctionExpression) { + return false; + } + + if (!this.isStatic()) { + return true; + } + + const variable = this.set.get("arguments"); + + assert(variable, "Always have arguments variable."); + return variable.tainted || variable.references.length !== 0; + } + + isThisMaterialized() { + if (!this.isStatic()) { + return true; + } + return this.thisFound; + } + + __defineArguments() { + this.__defineGeneric( + "arguments", + this.set, + this.variables, + null, + null + ); + this.taints.set("arguments", true); + } + + // References in default parameters isn't resolved to variables which are in their function body. + // const x = 1 + // function f(a = x) { // This `x` is resolved to the `x` in the outer scope. + // const x = 2 + // console.log(a) + // } + __isValidResolution(ref, variable) { + + // If `options.nodejsScope` is true, `this.block` becomes a Program node. + if (this.block.type === "Program") { + return true; + } + + const bodyStart = this.block.body.range[0]; + + // It's invalid resolution in the following case: + return !( + variable.scope === this && + ref.identifier.range[0] < bodyStart && // the reference is in the parameter part. + variable.defs.every(d => d.name.range[0] >= bodyStart) // the variable is in the body. + ); + } +} + +/** + * Scope of for, for-in, and for-of statements. + */ +class ForScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "for", upperScope, block, false); + } +} + +/** + * Class scope. + */ +class ClassScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "class", upperScope, block, false); + } +} + +/** + * Class field initializer scope. + */ +class ClassFieldInitializerScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "class-field-initializer", upperScope, block, true); + } +} + +/** + * Class static block scope. + */ +class ClassStaticBlockScope extends Scope { + constructor(scopeManager, upperScope, block) { + super(scopeManager, "class-static-block", upperScope, block, true); + } +} + +export { + Scope, + GlobalScope, + ModuleScope, + FunctionExpressionNameScope, + CatchScope, + WithScope, + BlockScope, + SwitchScope, + FunctionScope, + ForScope, + ClassScope, + ClassFieldInitializerScope, + ClassStaticBlockScope +}; + +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/eslint-scope/lib/variable.js b/module/node_modules/eslint-scope/lib/variable.js new file mode 100644 index 000000000..286202f72 --- /dev/null +++ b/module/node_modules/eslint-scope/lib/variable.js @@ -0,0 +1,87 @@ +/* + Copyright (C) 2015 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** + * A Variable represents a locally scoped identifier. These include arguments to + * functions. + * @constructor Variable + */ +class Variable { + constructor(name, scope) { + + /** + * The variable name, as given in the source code. + * @member {string} Variable#name + */ + this.name = name; + + /** + * List of defining occurrences of this variable (like in 'var ...' + * statements or as parameter), as AST nodes. + * @member {espree.Identifier[]} Variable#identifiers + */ + this.identifiers = []; + + /** + * List of {@link Reference|references} of this variable (excluding parameter entries) + * in its defining scope and all nested scopes. For defining + * occurrences only see {@link Variable#defs}. + * @member {Reference[]} Variable#references + */ + this.references = []; + + /** + * List of defining occurrences of this variable (like in 'var ...' + * statements or as parameter), as custom objects. + * @member {Definition[]} Variable#defs + */ + this.defs = []; + + this.tainted = false; + + /** + * Whether this is a stack variable. + * @member {boolean} Variable#stack + */ + this.stack = true; + + /** + * Reference to the enclosing Scope. + * @member {Scope} Variable#scope + */ + this.scope = scope; + } +} + +Variable.CatchClause = "CatchClause"; +Variable.Parameter = "Parameter"; +Variable.FunctionName = "FunctionName"; +Variable.ClassName = "ClassName"; +Variable.Variable = "Variable"; +Variable.ImportBinding = "ImportBinding"; +Variable.ImplicitGlobalVariable = "ImplicitGlobalVariable"; + +export default Variable; + +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/eslint-scope/lib/version.js b/module/node_modules/eslint-scope/lib/version.js new file mode 100644 index 000000000..fc36b2b88 --- /dev/null +++ b/module/node_modules/eslint-scope/lib/version.js @@ -0,0 +1,3 @@ +const version = "8.4.0"; + +export default version; diff --git a/module/node_modules/eslint-scope/package.json b/module/node_modules/eslint-scope/package.json new file mode 100644 index 000000000..e634e45bb --- /dev/null +++ b/module/node_modules/eslint-scope/package.json @@ -0,0 +1,64 @@ +{ + "name": "eslint-scope", + "description": "ECMAScript scope analyzer for ESLint", + "homepage": "https://github.com/eslint/js/blob/main/packages/eslint-scope/README.md", + "main": "./dist/eslint-scope.cjs", + "type": "module", + "exports": { + ".": { + "import": "./lib/index.js", + "require": "./dist/eslint-scope.cjs" + }, + "./package.json": "./package.json" + }, + "version": "8.4.0", + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + }, + "repository": { + "type": "git", + "url": "https://github.com/eslint/js.git", + "directory": "packages/eslint-scope" + }, + "funding": "https://opencollective.com/eslint", + "keywords": [ + "eslint" + ], + "bugs": { + "url": "https://github.com/eslint/js/issues" + }, + "license": "BSD-2-Clause", + "scripts": { + "build": "rollup -c", + "build:update-version": "node tools/update-version.js", + "prepublishOnly": "npm run build:update-version && npm run build", + "pretest": "npm run build", + "release:generate:latest": "eslint-generate-release", + "release:generate:alpha": "eslint-generate-prerelease alpha", + "release:generate:beta": "eslint-generate-prerelease beta", + "release:generate:rc": "eslint-generate-prerelease rc", + "release:publish": "eslint-publish-release", + "test": "node Makefile.js test" + }, + "files": [ + "LICENSE", + "README.md", + "lib", + "dist/eslint-scope.cjs" + ], + "dependencies": { + "esrecurse": "^4.3.0", + "estraverse": "^5.2.0" + }, + "devDependencies": { + "@typescript-eslint/parser": "^8.7.0", + "chai": "^4.3.4", + "eslint-release": "^3.2.0", + "eslint-visitor-keys": "^4.2.1", + "espree": "^10.4.0", + "npm-license": "^0.3.3", + "rollup": "^2.52.7", + "shelljs": "^0.8.5", + "typescript": "^5.4.2" + } +} diff --git a/module/node_modules/eslint-visitor-keys/LICENSE b/module/node_modules/eslint-visitor-keys/LICENSE new file mode 100644 index 000000000..17a25538d --- /dev/null +++ b/module/node_modules/eslint-visitor-keys/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright contributors + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/module/node_modules/eslint-visitor-keys/README.md b/module/node_modules/eslint-visitor-keys/README.md new file mode 100644 index 000000000..aa860ba57 --- /dev/null +++ b/module/node_modules/eslint-visitor-keys/README.md @@ -0,0 +1,121 @@ +# eslint-visitor-keys + +[![npm version](https://img.shields.io/npm/v/eslint-visitor-keys.svg)](https://www.npmjs.com/package/eslint-visitor-keys) +[![Downloads/month](https://img.shields.io/npm/dm/eslint-visitor-keys.svg)](http://www.npmtrends.com/eslint-visitor-keys) +[![Build Status](https://github.com/eslint/js/workflows/CI/badge.svg)](https://github.com/eslint/js/actions) + +Constants and utilities about visitor keys to traverse AST. + +## 💿 Installation + +Use [npm] to install. + +```bash +$ npm install eslint-visitor-keys +``` + +### Requirements + +- [Node.js] `^18.18.0`, `^20.9.0`, or `>=21.1.0` + +## 📖 Usage + +To use in an ESM file: + +```js +import * as evk from "eslint-visitor-keys" +``` + +To use in a CommonJS file: + +```js +const evk = require("eslint-visitor-keys") +``` + +### evk.KEYS + +> type: `{ [type: string]: string[] | undefined }` + +Visitor keys. This keys are frozen. + +This is an object. Keys are the type of [ESTree] nodes. Their values are an array of property names which have child nodes. + +For example: + +``` +console.log(evk.KEYS.AssignmentExpression) // → ["left", "right"] +``` + +### evk.getKeys(node) + +> type: `(node: object) => string[]` + +Get the visitor keys of a given AST node. + +This is similar to `Object.keys(node)` of ES Standard, but some keys are excluded: `parent`, `leadingComments`, `trailingComments`, and names which start with `_`. + +This will be used to traverse unknown nodes. + +For example: + +```js +const node = { + type: "AssignmentExpression", + left: { type: "Identifier", name: "foo" }, + right: { type: "Literal", value: 0 } +} +console.log(evk.getKeys(node)) // → ["type", "left", "right"] +``` + +### evk.unionWith(additionalKeys) + +> type: `(additionalKeys: object) => { [type: string]: string[] | undefined }` + +Make the union set with `evk.KEYS` and the given keys. + +- The order of keys is, `additionalKeys` is at first, then `evk.KEYS` is concatenated after that. +- It removes duplicated keys as keeping the first one. + +For example: + +```js +console.log(evk.unionWith({ + MethodDefinition: ["decorators"] +})) // → { ..., MethodDefinition: ["decorators", "key", "value"], ... } +``` + +## 📰 Change log + +See [GitHub releases](https://github.com/eslint/js/releases). + +## 🍻 Contributing + +Welcome. See [ESLint contribution guidelines](https://eslint.org/docs/developer-guide/contributing/). + +### Development commands + +- `npm test` runs tests and measures code coverage. +- `npm run lint` checks source codes with ESLint. +- `npm run test:open-coverage` opens the code coverage report of the previous test with your default browser. + +[npm]: https://www.npmjs.com/ +[Node.js]: https://nodejs.org/ +[ESTree]: https://github.com/estree/estree + + + +## Sponsors + +The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. [Become a Sponsor](https://eslint.org/donate) +to get your logo on our READMEs and [website](https://eslint.org/sponsors). + +

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+ diff --git a/module/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.cjs b/module/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.cjs new file mode 100644 index 000000000..afc433c7c --- /dev/null +++ b/module/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.cjs @@ -0,0 +1,396 @@ +'use strict'; + +/* eslint-disable jsdoc/valid-types -- doesn't allow `readonly`. + TODO: remove eslint-disable when https://github.com/jsdoc-type-pratt-parser/jsdoc-type-pratt-parser/issues/164 is fixed +*/ +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ +/* eslint-enable jsdoc/valid-types -- doesn't allow `readonly string[]`. TODO: check why */ + +/** + * @type {VisitorKeys} + */ +const KEYS = { + ArrayExpression: [ + "elements" + ], + ArrayPattern: [ + "elements" + ], + ArrowFunctionExpression: [ + "params", + "body" + ], + AssignmentExpression: [ + "left", + "right" + ], + AssignmentPattern: [ + "left", + "right" + ], + AwaitExpression: [ + "argument" + ], + BinaryExpression: [ + "left", + "right" + ], + BlockStatement: [ + "body" + ], + BreakStatement: [ + "label" + ], + CallExpression: [ + "callee", + "arguments" + ], + CatchClause: [ + "param", + "body" + ], + ChainExpression: [ + "expression" + ], + ClassBody: [ + "body" + ], + ClassDeclaration: [ + "id", + "superClass", + "body" + ], + ClassExpression: [ + "id", + "superClass", + "body" + ], + ConditionalExpression: [ + "test", + "consequent", + "alternate" + ], + ContinueStatement: [ + "label" + ], + DebuggerStatement: [], + DoWhileStatement: [ + "body", + "test" + ], + EmptyStatement: [], + ExperimentalRestProperty: [ + "argument" + ], + ExperimentalSpreadProperty: [ + "argument" + ], + ExportAllDeclaration: [ + "exported", + "source", + "attributes" + ], + ExportDefaultDeclaration: [ + "declaration" + ], + ExportNamedDeclaration: [ + "declaration", + "specifiers", + "source", + "attributes" + ], + ExportSpecifier: [ + "local", + "exported" + ], + ExpressionStatement: [ + "expression" + ], + ForInStatement: [ + "left", + "right", + "body" + ], + ForOfStatement: [ + "left", + "right", + "body" + ], + ForStatement: [ + "init", + "test", + "update", + "body" + ], + FunctionDeclaration: [ + "id", + "params", + "body" + ], + FunctionExpression: [ + "id", + "params", + "body" + ], + Identifier: [], + IfStatement: [ + "test", + "consequent", + "alternate" + ], + ImportAttribute: [ + "key", + "value" + ], + ImportDeclaration: [ + "specifiers", + "source", + "attributes" + ], + ImportDefaultSpecifier: [ + "local" + ], + ImportExpression: [ + "source", + "options" + ], + ImportNamespaceSpecifier: [ + "local" + ], + ImportSpecifier: [ + "imported", + "local" + ], + JSXAttribute: [ + "name", + "value" + ], + JSXClosingElement: [ + "name" + ], + JSXClosingFragment: [], + JSXElement: [ + "openingElement", + "children", + "closingElement" + ], + JSXEmptyExpression: [], + JSXExpressionContainer: [ + "expression" + ], + JSXFragment: [ + "openingFragment", + "children", + "closingFragment" + ], + JSXIdentifier: [], + JSXMemberExpression: [ + "object", + "property" + ], + JSXNamespacedName: [ + "namespace", + "name" + ], + JSXOpeningElement: [ + "name", + "attributes" + ], + JSXOpeningFragment: [], + JSXSpreadAttribute: [ + "argument" + ], + JSXSpreadChild: [ + "expression" + ], + JSXText: [], + LabeledStatement: [ + "label", + "body" + ], + Literal: [], + LogicalExpression: [ + "left", + "right" + ], + MemberExpression: [ + "object", + "property" + ], + MetaProperty: [ + "meta", + "property" + ], + MethodDefinition: [ + "key", + "value" + ], + NewExpression: [ + "callee", + "arguments" + ], + ObjectExpression: [ + "properties" + ], + ObjectPattern: [ + "properties" + ], + PrivateIdentifier: [], + Program: [ + "body" + ], + Property: [ + "key", + "value" + ], + PropertyDefinition: [ + "key", + "value" + ], + RestElement: [ + "argument" + ], + ReturnStatement: [ + "argument" + ], + SequenceExpression: [ + "expressions" + ], + SpreadElement: [ + "argument" + ], + StaticBlock: [ + "body" + ], + Super: [], + SwitchCase: [ + "test", + "consequent" + ], + SwitchStatement: [ + "discriminant", + "cases" + ], + TaggedTemplateExpression: [ + "tag", + "quasi" + ], + TemplateElement: [], + TemplateLiteral: [ + "quasis", + "expressions" + ], + ThisExpression: [], + ThrowStatement: [ + "argument" + ], + TryStatement: [ + "block", + "handler", + "finalizer" + ], + UnaryExpression: [ + "argument" + ], + UpdateExpression: [ + "argument" + ], + VariableDeclaration: [ + "declarations" + ], + VariableDeclarator: [ + "id", + "init" + ], + WhileStatement: [ + "test", + "body" + ], + WithStatement: [ + "object", + "body" + ], + YieldExpression: [ + "argument" + ] +}; + +// Types. +const NODE_TYPES = Object.keys(KEYS); + +// Freeze the keys. +for (const type of NODE_TYPES) { + Object.freeze(KEYS[type]); +} +Object.freeze(KEYS); + +/** + * @author Toru Nagashima + * See LICENSE file in root directory for full license. + */ + +/** + * @typedef {import('./visitor-keys.js').VisitorKeys} VisitorKeys + */ + +// List to ignore keys. +const KEY_BLACKLIST = new Set([ + "parent", + "leadingComments", + "trailingComments" +]); + +/** + * Check whether a given key should be used or not. + * @param {string} key The key to check. + * @returns {boolean} `true` if the key should be used. + */ +function filterKey(key) { + return !KEY_BLACKLIST.has(key) && key[0] !== "_"; +} + + +/* eslint-disable jsdoc/valid-types -- doesn't allow `readonly`. + TODO: remove eslint-disable when https://github.com/jsdoc-type-pratt-parser/jsdoc-type-pratt-parser/issues/164 is fixed +*/ +/** + * Get visitor keys of a given node. + * @param {Object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +function getKeys(node) { + return Object.keys(node).filter(filterKey); +} +/* eslint-enable jsdoc/valid-types -- doesn't allow `readonly` */ + +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +function unionWith(additionalKeys) { + const retv = /** @type {{ [type: string]: ReadonlyArray }} */ + (Object.assign({}, KEYS)); + + for (const type of Object.keys(additionalKeys)) { + if (Object.hasOwn(retv, type)) { + const keys = new Set(additionalKeys[type]); + + for (const key of retv[type]) { + keys.add(key); + } + + retv[type] = Object.freeze(Array.from(keys)); + } else { + retv[type] = Object.freeze(Array.from(additionalKeys[type])); + } + } + + return Object.freeze(retv); +} + +exports.KEYS = KEYS; +exports.getKeys = getKeys; +exports.unionWith = unionWith; diff --git a/module/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.d.cts b/module/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.d.cts new file mode 100644 index 000000000..34253c96c --- /dev/null +++ b/module/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.d.cts @@ -0,0 +1,28 @@ +type VisitorKeys$1 = { + readonly [type: string]: ReadonlyArray; +}; +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ +/** + * @type {VisitorKeys} + */ +declare const KEYS: VisitorKeys$1; + +/** + * Get visitor keys of a given node. + * @param {Object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +declare function getKeys(node: Object): readonly string[]; +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +declare function unionWith(additionalKeys: VisitorKeys): VisitorKeys; + +type VisitorKeys = VisitorKeys$1; + +export { KEYS, getKeys, unionWith }; +export type { VisitorKeys }; diff --git a/module/node_modules/eslint-visitor-keys/dist/index.d.ts b/module/node_modules/eslint-visitor-keys/dist/index.d.ts new file mode 100644 index 000000000..e65b7da33 --- /dev/null +++ b/module/node_modules/eslint-visitor-keys/dist/index.d.ts @@ -0,0 +1,16 @@ +/** + * Get visitor keys of a given node. + * @param {Object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +export function getKeys(node: Object): readonly string[]; +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +export function unionWith(additionalKeys: VisitorKeys): VisitorKeys; +export { KEYS }; +export type VisitorKeys = import("./visitor-keys.js").VisitorKeys; +import KEYS from "./visitor-keys.js"; +//# sourceMappingURL=index.d.ts.map \ No newline at end of file diff --git a/module/node_modules/eslint-visitor-keys/dist/visitor-keys.d.ts b/module/node_modules/eslint-visitor-keys/dist/visitor-keys.d.ts new file mode 100644 index 000000000..2d7ada2f1 --- /dev/null +++ b/module/node_modules/eslint-visitor-keys/dist/visitor-keys.d.ts @@ -0,0 +1,12 @@ +export default KEYS; +export type VisitorKeys = { + readonly [type: string]: ReadonlyArray; +}; +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ +/** + * @type {VisitorKeys} + */ +declare const KEYS: VisitorKeys; +//# sourceMappingURL=visitor-keys.d.ts.map \ No newline at end of file diff --git a/module/node_modules/eslint-visitor-keys/lib/index.js b/module/node_modules/eslint-visitor-keys/lib/index.js new file mode 100644 index 000000000..1fc89b43d --- /dev/null +++ b/module/node_modules/eslint-visitor-keys/lib/index.js @@ -0,0 +1,67 @@ +/** + * @author Toru Nagashima + * See LICENSE file in root directory for full license. + */ +import KEYS from "./visitor-keys.js"; + +/** + * @typedef {import('./visitor-keys.js').VisitorKeys} VisitorKeys + */ + +// List to ignore keys. +const KEY_BLACKLIST = new Set([ + "parent", + "leadingComments", + "trailingComments" +]); + +/** + * Check whether a given key should be used or not. + * @param {string} key The key to check. + * @returns {boolean} `true` if the key should be used. + */ +function filterKey(key) { + return !KEY_BLACKLIST.has(key) && key[0] !== "_"; +} + + +/* eslint-disable jsdoc/valid-types -- doesn't allow `readonly`. + TODO: remove eslint-disable when https://github.com/jsdoc-type-pratt-parser/jsdoc-type-pratt-parser/issues/164 is fixed +*/ +/** + * Get visitor keys of a given node. + * @param {Object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +export function getKeys(node) { + return Object.keys(node).filter(filterKey); +} +/* eslint-enable jsdoc/valid-types -- doesn't allow `readonly` */ + +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +export function unionWith(additionalKeys) { + const retv = /** @type {{ [type: string]: ReadonlyArray }} */ + (Object.assign({}, KEYS)); + + for (const type of Object.keys(additionalKeys)) { + if (Object.hasOwn(retv, type)) { + const keys = new Set(additionalKeys[type]); + + for (const key of retv[type]) { + keys.add(key); + } + + retv[type] = Object.freeze(Array.from(keys)); + } else { + retv[type] = Object.freeze(Array.from(additionalKeys[type])); + } + } + + return Object.freeze(retv); +} + +export { KEYS }; diff --git a/module/node_modules/eslint-visitor-keys/lib/visitor-keys.js b/module/node_modules/eslint-visitor-keys/lib/visitor-keys.js new file mode 100644 index 000000000..c891e040a --- /dev/null +++ b/module/node_modules/eslint-visitor-keys/lib/visitor-keys.js @@ -0,0 +1,327 @@ +/* eslint-disable jsdoc/valid-types -- doesn't allow `readonly`. + TODO: remove eslint-disable when https://github.com/jsdoc-type-pratt-parser/jsdoc-type-pratt-parser/issues/164 is fixed +*/ +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ +/* eslint-enable jsdoc/valid-types -- doesn't allow `readonly string[]`. TODO: check why */ + +/** + * @type {VisitorKeys} + */ +const KEYS = { + ArrayExpression: [ + "elements" + ], + ArrayPattern: [ + "elements" + ], + ArrowFunctionExpression: [ + "params", + "body" + ], + AssignmentExpression: [ + "left", + "right" + ], + AssignmentPattern: [ + "left", + "right" + ], + AwaitExpression: [ + "argument" + ], + BinaryExpression: [ + "left", + "right" + ], + BlockStatement: [ + "body" + ], + BreakStatement: [ + "label" + ], + CallExpression: [ + "callee", + "arguments" + ], + CatchClause: [ + "param", + "body" + ], + ChainExpression: [ + "expression" + ], + ClassBody: [ + "body" + ], + ClassDeclaration: [ + "id", + "superClass", + "body" + ], + ClassExpression: [ + "id", + "superClass", + "body" + ], + ConditionalExpression: [ + "test", + "consequent", + "alternate" + ], + ContinueStatement: [ + "label" + ], + DebuggerStatement: [], + DoWhileStatement: [ + "body", + "test" + ], + EmptyStatement: [], + ExperimentalRestProperty: [ + "argument" + ], + ExperimentalSpreadProperty: [ + "argument" + ], + ExportAllDeclaration: [ + "exported", + "source", + "attributes" + ], + ExportDefaultDeclaration: [ + "declaration" + ], + ExportNamedDeclaration: [ + "declaration", + "specifiers", + "source", + "attributes" + ], + ExportSpecifier: [ + "local", + "exported" + ], + ExpressionStatement: [ + "expression" + ], + ForInStatement: [ + "left", + "right", + "body" + ], + ForOfStatement: [ + "left", + "right", + "body" + ], + ForStatement: [ + "init", + "test", + "update", + "body" + ], + FunctionDeclaration: [ + "id", + "params", + "body" + ], + FunctionExpression: [ + "id", + "params", + "body" + ], + Identifier: [], + IfStatement: [ + "test", + "consequent", + "alternate" + ], + ImportAttribute: [ + "key", + "value" + ], + ImportDeclaration: [ + "specifiers", + "source", + "attributes" + ], + ImportDefaultSpecifier: [ + "local" + ], + ImportExpression: [ + "source", + "options" + ], + ImportNamespaceSpecifier: [ + "local" + ], + ImportSpecifier: [ + "imported", + "local" + ], + JSXAttribute: [ + "name", + "value" + ], + JSXClosingElement: [ + "name" + ], + JSXClosingFragment: [], + JSXElement: [ + "openingElement", + "children", + "closingElement" + ], + JSXEmptyExpression: [], + JSXExpressionContainer: [ + "expression" + ], + JSXFragment: [ + "openingFragment", + "children", + "closingFragment" + ], + JSXIdentifier: [], + JSXMemberExpression: [ + "object", + "property" + ], + JSXNamespacedName: [ + "namespace", + "name" + ], + JSXOpeningElement: [ + "name", + "attributes" + ], + JSXOpeningFragment: [], + JSXSpreadAttribute: [ + "argument" + ], + JSXSpreadChild: [ + "expression" + ], + JSXText: [], + LabeledStatement: [ + "label", + "body" + ], + Literal: [], + LogicalExpression: [ + "left", + "right" + ], + MemberExpression: [ + "object", + "property" + ], + MetaProperty: [ + "meta", + "property" + ], + MethodDefinition: [ + "key", + "value" + ], + NewExpression: [ + "callee", + "arguments" + ], + ObjectExpression: [ + "properties" + ], + ObjectPattern: [ + "properties" + ], + PrivateIdentifier: [], + Program: [ + "body" + ], + Property: [ + "key", + "value" + ], + PropertyDefinition: [ + "key", + "value" + ], + RestElement: [ + "argument" + ], + ReturnStatement: [ + "argument" + ], + SequenceExpression: [ + "expressions" + ], + SpreadElement: [ + "argument" + ], + StaticBlock: [ + "body" + ], + Super: [], + SwitchCase: [ + "test", + "consequent" + ], + SwitchStatement: [ + "discriminant", + "cases" + ], + TaggedTemplateExpression: [ + "tag", + "quasi" + ], + TemplateElement: [], + TemplateLiteral: [ + "quasis", + "expressions" + ], + ThisExpression: [], + ThrowStatement: [ + "argument" + ], + TryStatement: [ + "block", + "handler", + "finalizer" + ], + UnaryExpression: [ + "argument" + ], + UpdateExpression: [ + "argument" + ], + VariableDeclaration: [ + "declarations" + ], + VariableDeclarator: [ + "id", + "init" + ], + WhileStatement: [ + "test", + "body" + ], + WithStatement: [ + "object", + "body" + ], + YieldExpression: [ + "argument" + ] +}; + +// Types. +const NODE_TYPES = Object.keys(KEYS); + +// Freeze the keys. +for (const type of NODE_TYPES) { + Object.freeze(KEYS[type]); +} +Object.freeze(KEYS); + +export default KEYS; diff --git a/module/node_modules/eslint-visitor-keys/package.json b/module/node_modules/eslint-visitor-keys/package.json new file mode 100644 index 000000000..852e4ddb1 --- /dev/null +++ b/module/node_modules/eslint-visitor-keys/package.json @@ -0,0 +1,70 @@ +{ + "name": "eslint-visitor-keys", + "version": "4.2.1", + "description": "Constants and utilities about visitor keys to traverse AST.", + "type": "module", + "main": "dist/eslint-visitor-keys.cjs", + "types": "./dist/index.d.ts", + "exports": { + ".": [ + { + "import": "./lib/index.js", + "require": "./dist/eslint-visitor-keys.cjs" + }, + "./dist/eslint-visitor-keys.cjs" + ], + "./package.json": "./package.json" + }, + "files": [ + "dist/index.d.ts", + "dist/visitor-keys.d.ts", + "dist/eslint-visitor-keys.cjs", + "dist/eslint-visitor-keys.d.cts", + "lib" + ], + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + }, + "devDependencies": { + "@types/estree": "^0.0.51", + "@types/estree-jsx": "^0.0.1", + "@typescript-eslint/parser": "^8.7.0", + "eslint-release": "^3.2.0", + "esquery": "^1.4.0", + "json-diff": "^0.7.3", + "opener": "^1.5.2", + "rollup": "^4.22.4", + "rollup-plugin-dts": "^6.1.1", + "tsd": "^0.31.2", + "typescript": "^5.6.2" + }, + "scripts": { + "build": "npm run build:cjs && npm run build:types", + "build:cjs": "rollup -c", + "build:debug": "npm run build:cjs -- -m && npm run build:types", + "build:types": "tsc -v && tsc", + "release:generate:latest": "eslint-generate-release", + "release:generate:alpha": "eslint-generate-prerelease alpha", + "release:generate:beta": "eslint-generate-prerelease beta", + "release:generate:rc": "eslint-generate-prerelease rc", + "release:publish": "eslint-publish-release", + "test": "mocha tests/lib/**/*.cjs && c8 mocha tests/lib/**/*.js && npm run test:types", + "test:open-coverage": "c8 report --reporter lcov && opener coverage/lcov-report/index.html", + "test:types": "tsd" + }, + "repository": { + "type": "git", + "url": "https://github.com/eslint/js.git", + "directory": "packages/eslint-visitor-keys" + }, + "funding": "https://opencollective.com/eslint", + "keywords": [ + "eslint" + ], + "author": "Toru Nagashima (https://github.com/mysticatea)", + "license": "Apache-2.0", + "bugs": { + "url": "https://github.com/eslint/js/issues" + }, + "homepage": "https://github.com/eslint/js/blob/main/packages/eslint-visitor-keys/README.md" +} diff --git a/module/node_modules/eslint/LICENSE b/module/node_modules/eslint/LICENSE new file mode 100644 index 000000000..b607bb36e --- /dev/null +++ b/module/node_modules/eslint/LICENSE @@ -0,0 +1,19 @@ +Copyright OpenJS Foundation and other contributors, + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/module/node_modules/eslint/README.md b/module/node_modules/eslint/README.md new file mode 100644 index 000000000..77d194010 --- /dev/null +++ b/module/node_modules/eslint/README.md @@ -0,0 +1,354 @@ +[![npm version](https://img.shields.io/npm/v/eslint.svg)](https://www.npmjs.com/package/eslint) +[![Downloads](https://img.shields.io/npm/dm/eslint.svg)](https://www.npmjs.com/package/eslint) +[![Build Status](https://github.com/eslint/eslint/workflows/CI/badge.svg)](https://github.com/eslint/eslint/actions) +
+[![Open Collective Backers](https://img.shields.io/opencollective/backers/eslint)](https://opencollective.com/eslint) +[![Open Collective Sponsors](https://img.shields.io/opencollective/sponsors/eslint)](https://opencollective.com/eslint) + +# ESLint + +[Website](https://eslint.org) | +[Configure ESLint](https://eslint.org/docs/latest/use/configure) | +[Rules](https://eslint.org/docs/rules/) | +[Contribute to ESLint](https://eslint.org/docs/latest/contribute) | +[Report Bugs](https://eslint.org/docs/latest/contribute/report-bugs) | +[Code of Conduct](https://eslint.org/conduct) | +[X](https://x.com/geteslint) | +[Discord](https://eslint.org/chat) | +[Mastodon](https://fosstodon.org/@eslint) | +[Bluesky](https://bsky.app/profile/eslint.org) + +ESLint is a tool for identifying and reporting on patterns found in ECMAScript/JavaScript code. In many ways, it is similar to JSLint and JSHint with a few exceptions: + +- ESLint uses [Espree](https://github.com/eslint/js/tree/main/packages/espree) for JavaScript parsing. +- ESLint uses an AST to evaluate patterns in code. +- ESLint is completely pluggable, every single rule is a plugin and you can add more at runtime. + +## Table of Contents + +1. [Installation and Usage](#installation-and-usage) +1. [Configuration](#configuration) +1. [Version Support](#version-support) +1. [Code of Conduct](#code-of-conduct) +1. [Filing Issues](#filing-issues) +1. [Frequently Asked Questions](#frequently-asked-questions) +1. [Releases](#releases) +1. [Security Policy](#security-policy) +1. [Semantic Versioning Policy](#semantic-versioning-policy) +1. [License](#license) +1. [Team](#team) +1. [Sponsors](#sponsors) +1. [Technology Sponsors](#technology-sponsors) + +## Installation and Usage + +Prerequisites: [Node.js](https://nodejs.org/) (`^18.18.0`, `^20.9.0`, or `>=21.1.0`) built with SSL support. (If you are using an official Node.js distribution, SSL is always built in.) + +You can install and configure ESLint using this command: + +```shell +npm init @eslint/config@latest +``` + +After that, you can run ESLint on any file or directory like this: + +```shell +npx eslint yourfile.js +``` + +### pnpm Installation + +To use ESLint with pnpm, we recommend setting up a `.npmrc` file with at least the following settings: + +```text +auto-install-peers=true +node-linker=hoisted +``` + +This ensures that pnpm installs dependencies in a way that is more compatible with npm and is less likely to produce errors. + +## Configuration + +You can configure rules in your `eslint.config.js` files as in this example: + +```js +import { defineConfig } from "eslint/config"; + +export default defineConfig([ + { + files: ["**/*.js", "**/*.cjs", "**/*.mjs"], + rules: { + "prefer-const": "warn", + "no-constant-binary-expression": "error", + }, + }, +]); +``` + +The names `"prefer-const"` and `"no-constant-binary-expression"` are the names of [rules](https://eslint.org/docs/rules) in ESLint. The first value is the error level of the rule and can be one of these values: + +- `"off"` or `0` - turn the rule off +- `"warn"` or `1` - turn the rule on as a warning (doesn't affect exit code) +- `"error"` or `2` - turn the rule on as an error (exit code will be 1) + +The three error levels allow you fine-grained control over how ESLint applies rules (for more configuration options and details, see the [configuration docs](https://eslint.org/docs/latest/use/configure)). + +## Version Support + +The ESLint team provides ongoing support for the current version and six months of limited support for the previous version. Limited support includes critical bug fixes, security issues, and compatibility issues only. + +ESLint offers commercial support for both current and previous versions through our partners, [Tidelift][tidelift] and [HeroDevs][herodevs]. + +See [Version Support](https://eslint.org/version-support) for more details. + +## Code of Conduct + +ESLint adheres to the [OpenJS Foundation Code of Conduct](https://eslint.org/conduct). + +## Filing Issues + +Before filing an issue, please be sure to read the guidelines for what you're reporting: + +- [Bug Report](https://eslint.org/docs/latest/contribute/report-bugs) +- [Propose a New Rule](https://eslint.org/docs/latest/contribute/propose-new-rule) +- [Proposing a Rule Change](https://eslint.org/docs/latest/contribute/propose-rule-change) +- [Request a Change](https://eslint.org/docs/latest/contribute/request-change) + +## Frequently Asked Questions + +### Does ESLint support JSX? + +Yes, ESLint natively supports parsing JSX syntax (this must be enabled in [configuration](https://eslint.org/docs/latest/use/configure)). Please note that supporting JSX syntax _is not_ the same as supporting React. React applies specific semantics to JSX syntax that ESLint doesn't recognize. We recommend using [eslint-plugin-react](https://www.npmjs.com/package/eslint-plugin-react) if you are using React and want React semantics. + +### Does Prettier replace ESLint? + +No, ESLint and Prettier have different jobs: ESLint is a linter (looking for problematic patterns) and Prettier is a code formatter. Using both tools is common, refer to [Prettier's documentation](https://prettier.io/docs/en/install#eslint-and-other-linters) to learn how to configure them to work well with each other. + +### What ECMAScript versions does ESLint support? + +ESLint has full support for ECMAScript 3, 5, and every year from 2015 up until the most recent stage 4 specification (the default). You can set your desired ECMAScript syntax and other settings (like global variables) through [configuration](https://eslint.org/docs/latest/use/configure). + +### What about experimental features? + +ESLint's parser only officially supports the latest final ECMAScript standard. We will make changes to core rules in order to avoid crashes on stage 3 ECMAScript syntax proposals (as long as they are implemented using the correct experimental ESTree syntax). We may make changes to core rules to better work with language extensions (such as JSX, Flow, and TypeScript) on a case-by-case basis. + +In other cases (including if rules need to warn on more or fewer cases due to new syntax, rather than just not crashing), we recommend you use other parsers and/or rule plugins. If you are using Babel, you can use [@babel/eslint-parser](https://www.npmjs.com/package/@babel/eslint-parser) and [@babel/eslint-plugin](https://www.npmjs.com/package/@babel/eslint-plugin) to use any option available in Babel. + +Once a language feature has been adopted into the ECMAScript standard (stage 4 according to the [TC39 process](https://tc39.github.io/process-document/)), we will accept issues and pull requests related to the new feature, subject to our [contributing guidelines](https://eslint.org/docs/latest/contribute). Until then, please use the appropriate parser and plugin(s) for your experimental feature. + +### Which Node.js versions does ESLint support? + +ESLint updates the supported Node.js versions with each major release of ESLint. At that time, ESLint's supported Node.js versions are updated to be: + +1. The most recent maintenance release of Node.js +1. The lowest minor version of the Node.js LTS release that includes the features the ESLint team wants to use. +1. The Node.js Current release + +ESLint is also expected to work with Node.js versions released after the Node.js Current release. + +Refer to the [Quick Start Guide](https://eslint.org/docs/latest/use/getting-started#prerequisites) for the officially supported Node.js versions for a given ESLint release. + +### Where to ask for help? + +Open a [discussion](https://github.com/eslint/eslint/discussions) or stop by our [Discord server](https://eslint.org/chat). + +### Why doesn't ESLint lock dependency versions? + +Lock files like `package-lock.json` are helpful for deployed applications. They ensure that dependencies are consistent between environments and across deployments. + +Packages like `eslint` that get published to the npm registry do not include lock files. `npm install eslint` as a user will respect version constraints in ESLint's `package.json`. ESLint and its dependencies will be included in the user's lock file if one exists, but ESLint's own lock file would not be used. + +We intentionally don't lock dependency versions so that we have the latest compatible dependency versions in development and CI that our users get when installing ESLint in a project. + +The Twilio blog has a [deeper dive](https://www.twilio.com/blog/lockfiles-nodejs) to learn more. + +## Releases + +We have scheduled releases every two weeks on Friday or Saturday. You can follow a [release issue](https://github.com/eslint/eslint/issues?q=is%3Aopen+is%3Aissue+label%3Arelease) for updates about the scheduling of any particular release. + +## Security Policy + +ESLint takes security seriously. We work hard to ensure that ESLint is safe for everyone and that security issues are addressed quickly and responsibly. Read the full [security policy](https://github.com/eslint/.github/blob/master/SECURITY.md). + +## Semantic Versioning Policy + +ESLint follows [semantic versioning](https://semver.org). However, due to the nature of ESLint as a code quality tool, it's not always clear when a minor or major version bump occurs. To help clarify this for everyone, we've defined the following semantic versioning policy for ESLint: + +- Patch release (intended to not break your lint build) + - A bug fix in a rule that results in ESLint reporting fewer linting errors. + - A bug fix to the CLI or core (including formatters). + - Improvements to documentation. + - Non-user-facing changes such as refactoring code, adding, deleting, or modifying tests, and increasing test coverage. + - Re-releasing after a failed release (i.e., publishing a release that doesn't work for anyone). +- Minor release (might break your lint build) + - A bug fix in a rule that results in ESLint reporting more linting errors. + - A new rule is created. + - A new option to an existing rule that does not result in ESLint reporting more linting errors by default. + - A new addition to an existing rule to support a newly-added language feature (within the last 12 months) that will result in ESLint reporting more linting errors by default. + - An existing rule is deprecated. + - A new CLI capability is created. + - New capabilities to the public API are added (new classes, new methods, new arguments to existing methods, etc.). + - A new formatter is created. + - `eslint:recommended` is updated and will result in strictly fewer linting errors (e.g., rule removals). +- Major release (likely to break your lint build) + - `eslint:recommended` is updated and may result in new linting errors (e.g., rule additions, most rule option updates). + - A new option to an existing rule that results in ESLint reporting more linting errors by default. + - An existing formatter is removed. + - Part of the public API is removed or changed in an incompatible way. The public API includes: + - Rule schemas + - Configuration schema + - Command-line options + - Node.js API + - Rule, formatter, parser, plugin APIs + +According to our policy, any minor update may report more linting errors than the previous release (ex: from a bug fix). As such, we recommend using the tilde (`~`) in `package.json` e.g. `"eslint": "~3.1.0"` to guarantee the results of your builds. + +## License + +MIT License + +Copyright OpenJS Foundation and other contributors, + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + +## Team + +These folks keep the project moving and are resources for help. + + + + + +### Technical Steering Committee (TSC) + +The people who manage releases, review feature requests, and meet regularly to ensure ESLint is properly maintained. + +
+ +Nicholas C. Zakas's Avatar
+Nicholas C. Zakas + +		 + +Francesco Trotta's Avatar
+Francesco Trotta + +		 + +Milos Djermanovic's Avatar
+Milos Djermanovic + +
+ +### Reviewers + +The people who review and implement new features. + +
+ +唯然's Avatar
+唯然 + +		 + +Nitin Kumar's Avatar
+Nitin Kumar + +
+ +### Committers + +The people who review and fix bugs and help triage issues. + +
+ +fnx's Avatar
+fnx + +		 + +Josh Goldberg ✨'s Avatar
+Josh Goldberg ✨ + +		 + +Sweta Tanwar's Avatar
+Sweta Tanwar + +		 + +Tanuj Kanti's Avatar
+Tanuj Kanti + +		 + +루밀LuMir's Avatar
+루밀LuMir + +		 + +Pixel998's Avatar
+Pixel998 + +
+ +### Website Team + +Team members who focus specifically on eslint.org + +
+ +Amaresh S M's Avatar
+Amaresh S M + +		 + +Harish's Avatar
+Harish + +		 + +Percy Ma's Avatar
+Percy Ma + +
+ + + + + + +## Sponsors + +The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. [Become a Sponsor](https://eslint.org/donate) +to get your logo on our READMEs and [website](https://eslint.org/sponsors). + +

Platinum Sponsors

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Technology Sponsors

+Technology sponsors allow us to use their products and services for free as part of a contribution to the open source ecosystem and our work. +

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+ + + +[tidelift]: https://tidelift.com/funding/github/npm/eslint +[herodevs]: https://www.herodevs.com/support/eslint-nes?utm_source=ESLintWebsite&utm_medium=ESLintWebsite&utm_campaign=ESLintNES&utm_id=ESLintNES diff --git a/module/node_modules/eslint/bin/eslint.js b/module/node_modules/eslint/bin/eslint.js new file mode 100644 index 000000000..9b202a982 --- /dev/null +++ b/module/node_modules/eslint/bin/eslint.js @@ -0,0 +1,196 @@ +#!/usr/bin/env node + +/** + * @fileoverview Main CLI that is run via the eslint command. + * @author Nicholas C. Zakas + */ + +/* eslint no-console:off -- CLI */ + +"use strict"; + +const mod = require("node:module"); + +// to use V8's code cache to speed up instantiation time +mod.enableCompileCache?.(); + +// must do this initialization *before* other requires in order to work +if (process.argv.includes("--debug")) { + require("debug").enable("eslint:*,-eslint:code-path,eslintrc:*"); +} + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Read data from stdin til the end. + * + * Note: See + * - https://github.com/nodejs/node/blob/master/doc/api/process.md#processstdin + * - https://github.com/nodejs/node/blob/master/doc/api/process.md#a-note-on-process-io + * - https://lists.gnu.org/archive/html/bug-gnu-emacs/2016-01/msg00419.html + * - https://github.com/nodejs/node/issues/7439 (historical) + * + * On Windows using `fs.readFileSync(STDIN_FILE_DESCRIPTOR, "utf8")` seems + * to read 4096 bytes before blocking and never drains to read further data. + * + * The investigation on the Emacs thread indicates: + * + * > Emacs on MS-Windows uses pipes to communicate with subprocesses; a + * > pipe on Windows has a 4K buffer. So as soon as Emacs writes more than + * > 4096 bytes to the pipe, the pipe becomes full, and Emacs then waits for + * > the subprocess to read its end of the pipe, at which time Emacs will + * > write the rest of the stuff. + * @returns {Promise} The read text. + */ +function readStdin() { + return new Promise((resolve, reject) => { + let content = ""; + let chunk = ""; + + process.stdin + .setEncoding("utf8") + .on("readable", () => { + while ((chunk = process.stdin.read()) !== null) { + content += chunk; + } + }) + .on("end", () => resolve(content)) + .on("error", reject); + }); +} + +/** + * Get the error message of a given value. + * @param {any} error The value to get. + * @returns {string} The error message. + */ +function getErrorMessage(error) { + // Lazy loading because this is used only if an error happened. + const util = require("node:util"); + + // Foolproof -- third-party module might throw non-object. + if (typeof error !== "object" || error === null) { + return String(error); + } + + // Use templates if `error.messageTemplate` is present. + if (typeof error.messageTemplate === "string") { + try { + const template = require(`../messages/${error.messageTemplate}.js`); + + return template(error.messageData || {}); + } catch { + // Ignore template error then fallback to use `error.stack`. + } + } + + // Use the stacktrace if it's an error object. + if (typeof error.stack === "string") { + return error.stack; + } + + // Otherwise, dump the object. + return util.format("%o", error); +} + +/** + * Tracks error messages that are shown to the user so we only ever show the + * same message once. + * @type {Set} + */ +const displayedErrors = new Set(); + +/** + * Tracks whether an unexpected error was caught + * @type {boolean} + */ +let hadFatalError = false; + +/** + * Catch and report unexpected error. + * @param {any} error The thrown error object. + * @returns {void} + */ +function onFatalError(error) { + process.exitCode = 2; + hadFatalError = true; + + const { version } = require("../package.json"); + const message = ` +Oops! Something went wrong! :( + +ESLint: ${version} + +${getErrorMessage(error)}`; + + if (!displayedErrors.has(message)) { + console.error(message); + displayedErrors.add(message); + } +} + +//------------------------------------------------------------------------------ +// Execution +//------------------------------------------------------------------------------ + +(async function main() { + process.on("uncaughtException", onFatalError); + process.on("unhandledRejection", onFatalError); + + // Call the config initializer if `--init` is present. + if (process.argv.includes("--init")) { + // `eslint --init` has been moved to `@eslint/create-config` + console.warn( + "You can also run this command directly using 'npm init @eslint/config@latest'.", + ); + + const spawn = require("cross-spawn"); + + spawn.sync("npm", ["init", "@eslint/config@latest"], { + encoding: "utf8", + stdio: "inherit", + }); + return; + } + + // start the MCP server if `--mcp` is present + if (process.argv.includes("--mcp")) { + console.warn( + "You can also run this command directly using 'npx @eslint/mcp@latest'.", + ); + + const spawn = require("cross-spawn"); + + spawn.sync("npx", ["@eslint/mcp@latest"], { + encoding: "utf8", + stdio: "inherit", + }); + return; + } + + // Otherwise, call the CLI. + const cli = require("../lib/cli"); + const exitCode = await cli.execute( + process.argv, + process.argv.includes("--stdin") ? await readStdin() : null, + true, + ); + + /* + * If an uncaught exception or unhandled rejection was detected in the meantime, + * keep the fatal exit code 2 that is already assigned to `process.exitCode`. + * Without this condition, exit code 2 (unsuccessful execution) could be overwritten with + * 1 (successful execution, lint problems found) or even 0 (successful execution, no lint problems found). + * This ensures that unexpected errors that seemingly don't affect the success + * of the execution will still cause a non-zero exit code, as it's a common + * practice and the default behavior of Node.js to exit with non-zero + * in case of an uncaught exception or unhandled rejection. + * + * Otherwise, assign the exit code returned from CLI. + */ + if (!hadFatalError) { + process.exitCode = exitCode; + } +})().catch(onFatalError); diff --git a/module/node_modules/eslint/conf/default-cli-options.js b/module/node_modules/eslint/conf/default-cli-options.js new file mode 100644 index 000000000..dda88d655 --- /dev/null +++ b/module/node_modules/eslint/conf/default-cli-options.js @@ -0,0 +1,32 @@ +/** + * @fileoverview Default CLIEngineOptions. + * @author Ian VanSchooten + */ + +"use strict"; + +module.exports = { + configFile: null, + baseConfig: false, + rulePaths: [], + useEslintrc: true, + envs: [], + globals: [], + extensions: null, + ignore: true, + ignorePath: void 0, + cache: false, + + /* + * in order to honor the cacheFile option if specified + * this option should not have a default value otherwise + * it will always be used + */ + cacheLocation: "", + cacheFile: ".eslintcache", + cacheStrategy: "metadata", + fix: false, + allowInlineConfig: true, + reportUnusedDisableDirectives: void 0, + globInputPaths: true, +}; diff --git a/module/node_modules/eslint/conf/ecma-version.js b/module/node_modules/eslint/conf/ecma-version.js new file mode 100644 index 000000000..e68d30206 --- /dev/null +++ b/module/node_modules/eslint/conf/ecma-version.js @@ -0,0 +1,16 @@ +/** + * @fileoverview Configuration related to ECMAScript versions + * @author Milos Djermanovic + */ + +"use strict"; + +/** + * The latest ECMAScript version supported by ESLint. + * @type {number} year-based ECMAScript version + */ +const LATEST_ECMA_VERSION = 2026; + +module.exports = { + LATEST_ECMA_VERSION, +}; diff --git a/module/node_modules/eslint/conf/globals.js b/module/node_modules/eslint/conf/globals.js new file mode 100644 index 000000000..b630b272a --- /dev/null +++ b/module/node_modules/eslint/conf/globals.js @@ -0,0 +1,169 @@ +/** + * @fileoverview Globals for ecmaVersion/sourceType + * @author Nicholas C. Zakas + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Globals +//----------------------------------------------------------------------------- + +const commonjs = { + exports: true, + global: false, + module: false, + require: false, +}; + +const es3 = { + Array: false, + Boolean: false, + constructor: false, + Date: false, + decodeURI: false, + decodeURIComponent: false, + encodeURI: false, + encodeURIComponent: false, + Error: false, + escape: false, + eval: false, + EvalError: false, + Function: false, + hasOwnProperty: false, + Infinity: false, + isFinite: false, + isNaN: false, + isPrototypeOf: false, + Math: false, + NaN: false, + Number: false, + Object: false, + parseFloat: false, + parseInt: false, + propertyIsEnumerable: false, + RangeError: false, + ReferenceError: false, + RegExp: false, + String: false, + SyntaxError: false, + toLocaleString: false, + toString: false, + TypeError: false, + undefined: false, + unescape: false, + URIError: false, + valueOf: false, +}; + +const es5 = { + ...es3, + JSON: false, +}; + +const es2015 = { + ...es5, + ArrayBuffer: false, + DataView: false, + Float32Array: false, + Float64Array: false, + Int16Array: false, + Int32Array: false, + Int8Array: false, + Intl: false, + Map: false, + Promise: false, + Proxy: false, + Reflect: false, + Set: false, + Symbol: false, + Uint16Array: false, + Uint32Array: false, + Uint8Array: false, + Uint8ClampedArray: false, + WeakMap: false, + WeakSet: false, +}; + +// no new globals in ES2016 +const es2016 = { + ...es2015, +}; + +const es2017 = { + ...es2016, + Atomics: false, + SharedArrayBuffer: false, +}; + +// no new globals in ES2018 +const es2018 = { + ...es2017, +}; + +// no new globals in ES2019 +const es2019 = { + ...es2018, +}; + +const es2020 = { + ...es2019, + BigInt: false, + BigInt64Array: false, + BigUint64Array: false, + globalThis: false, +}; + +const es2021 = { + ...es2020, + AggregateError: false, + FinalizationRegistry: false, + WeakRef: false, +}; + +const es2022 = { + ...es2021, +}; + +const es2023 = { + ...es2022, +}; + +const es2024 = { + ...es2023, +}; + +const es2025 = { + ...es2024, + Float16Array: false, + Iterator: false, +}; + +const es2026 = { + ...es2025, + AsyncDisposableStack: false, + DisposableStack: false, + SuppressedError: false, +}; + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +module.exports = { + commonjs, + es3, + es5, + es2015, + es2016, + es2017, + es2018, + es2019, + es2020, + es2021, + es2022, + es2023, + es2024, + es2025, + es2026, +}; diff --git a/module/node_modules/eslint/conf/replacements.json b/module/node_modules/eslint/conf/replacements.json new file mode 100644 index 000000000..27329c4c9 --- /dev/null +++ b/module/node_modules/eslint/conf/replacements.json @@ -0,0 +1,26 @@ +{ + "rules": { + "generator-star": ["generator-star-spacing"], + "global-strict": ["strict"], + "no-arrow-condition": ["no-confusing-arrow", "no-constant-condition"], + "no-comma-dangle": ["comma-dangle"], + "no-empty-class": ["no-empty-character-class"], + "no-empty-label": ["no-labels"], + "no-extra-strict": ["strict"], + "no-reserved-keys": ["quote-props"], + "no-space-before-semi": ["semi-spacing"], + "no-wrap-func": ["no-extra-parens"], + "space-after-function-name": ["space-before-function-paren"], + "space-after-keywords": ["keyword-spacing"], + "space-before-function-parentheses": ["space-before-function-paren"], + "space-before-keywords": ["keyword-spacing"], + "space-in-brackets": [ + "object-curly-spacing", + "array-bracket-spacing", + "computed-property-spacing" + ], + "space-return-throw-case": ["keyword-spacing"], + "space-unary-word-ops": ["space-unary-ops"], + "spaced-line-comment": ["spaced-comment"] + } +} diff --git a/module/node_modules/eslint/conf/rule-type-list.json b/module/node_modules/eslint/conf/rule-type-list.json new file mode 100644 index 000000000..05ddd3cb0 --- /dev/null +++ b/module/node_modules/eslint/conf/rule-type-list.json @@ -0,0 +1,91 @@ +{ + "types": { + "problem": [], + "suggestion": [], + "layout": [] + }, + "deprecated": [], + "removed": [ + { + "removed": "generator-star", + "replacedBy": [{ "rule": { "name": "generator-star-spacing" } }] + }, + { + "removed": "global-strict", + "replacedBy": [{ "rule": { "name": "strict" } }] + }, + { + "removed": "no-arrow-condition", + "replacedBy": [ + { "rule": { "name": "no-confusing-arrow" } }, + { "rule": { "name": "no-constant-condition" } } + ] + }, + { + "removed": "no-comma-dangle", + "replacedBy": [{ "rule": { "name": "comma-dangle" } }] + }, + { + "removed": "no-empty-class", + "replacedBy": [{ "rule": { "name": "no-empty-character-class" } }] + }, + { + "removed": "no-empty-label", + "replacedBy": [{ "rule": { "name": "no-labels" } }] + }, + { + "removed": "no-extra-strict", + "replacedBy": [{ "rule": { "name": "strict" } }] + }, + { + "removed": "no-reserved-keys", + "replacedBy": [{ "rule": { "name": "quote-props" } }] + }, + { + "removed": "no-space-before-semi", + "replacedBy": [{ "rule": { "name": "semi-spacing" } }] + }, + { + "removed": "no-wrap-func", + "replacedBy": [{ "rule": { "name": "no-extra-parens" } }] + }, + { + "removed": "space-after-function-name", + "replacedBy": [{ "rule": { "name": "space-before-function-paren" } }] + }, + { + "removed": "space-after-keywords", + "replacedBy": [{ "rule": { "name": "keyword-spacing" } }] + }, + { + "removed": "space-before-function-parentheses", + "replacedBy": [{ "rule": { "name": "space-before-function-paren" } }] + }, + { + "removed": "space-before-keywords", + "replacedBy": [{ "rule": { "name": "keyword-spacing" } }] + }, + { + "removed": "space-in-brackets", + "replacedBy": [ + { "rule": { "name": "object-curly-spacing" } }, + { "rule": { "name": "array-bracket-spacing" } }, + { "rule": { "name": "computed-property-spacing" } } + ] + }, + { + "removed": "space-return-throw-case", + "replacedBy": [{ "rule": { "name": "keyword-spacing" } }] + }, + { + "removed": "space-unary-word-ops", + "replacedBy": [{ "rule": { "name": "space-unary-ops" } }] + }, + { + "removed": "spaced-line-comment", + "replacedBy": [{ "rule": { "name": "spaced-comment" } }] + }, + { "removed": "valid-jsdoc", "replacedBy": [] }, + { "removed": "require-jsdoc", "replacedBy": [] } + ] +} diff --git a/module/node_modules/eslint/lib/api.js b/module/node_modules/eslint/lib/api.js new file mode 100644 index 000000000..ce6102dad --- /dev/null +++ b/module/node_modules/eslint/lib/api.js @@ -0,0 +1,50 @@ +/** + * @fileoverview Expose out ESLint and CLI to require. + * @author Ian Christian Myers + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +const { ESLint, shouldUseFlatConfig } = require("./eslint/eslint"); +const { LegacyESLint } = require("./eslint/legacy-eslint"); +const { Linter } = require("./linter"); +const { RuleTester } = require("./rule-tester"); +const { SourceCode } = require("./languages/js/source-code"); + +//----------------------------------------------------------------------------- +// Functions +//----------------------------------------------------------------------------- + +/** + * Loads the correct ESLint constructor given the options. + * @param {Object} [options] The options object + * @param {boolean} [options.useFlatConfig] Whether or not to use a flat config + * @returns {Promise} The ESLint constructor + */ +async function loadESLint({ useFlatConfig } = {}) { + /* + * Note: The v8.x version of this function also accepted a `cwd` option, but + * it is not used in this implementation so we silently ignore it. + */ + + const shouldESLintUseFlatConfig = + useFlatConfig ?? (await shouldUseFlatConfig()); + + return shouldESLintUseFlatConfig ? ESLint : LegacyESLint; +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +module.exports = { + Linter, + loadESLint, + ESLint, + RuleTester, + SourceCode, +}; diff --git a/module/node_modules/eslint/lib/cli-engine/cli-engine.js b/module/node_modules/eslint/lib/cli-engine/cli-engine.js new file mode 100644 index 000000000..a0c3bc67b --- /dev/null +++ b/module/node_modules/eslint/lib/cli-engine/cli-engine.js @@ -0,0 +1,1109 @@ +/** + * @fileoverview Main CLI object. + * @author Nicholas C. Zakas + */ + +"use strict"; + +/* + * The CLI object should *not* call process.exit() directly. It should only return + * exit codes. This allows other programs to use the CLI object and still control + * when the program exits. + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const fs = require("node:fs"); +const path = require("node:path"); +const defaultOptions = require("../../conf/default-cli-options"); +const pkg = require("../../package.json"); + +const { + Legacy: { + ConfigOps, + naming, + CascadingConfigArrayFactory, + IgnorePattern, + getUsedExtractedConfigs, + ModuleResolver, + }, +} = require("@eslint/eslintrc"); + +const { FileEnumerator } = require("./file-enumerator"); + +const { Linter } = require("../linter"); +const builtInRules = require("../rules"); +const loadRules = require("./load-rules"); +const hash = require("./hash"); +const LintResultCache = require("./lint-result-cache"); + +const debug = require("debug")("eslint:cli-engine"); +const removedFormatters = new Set([ + "checkstyle", + "codeframe", + "compact", + "jslint-xml", + "junit", + "table", + "tap", + "unix", + "visualstudio", +]); +const validFixTypes = new Set(["directive", "problem", "suggestion", "layout"]); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +// For VSCode IntelliSense +/** @typedef {import("../types").ESLint.ConfigData} ConfigData */ +/** @typedef {import("../types").ESLint.DeprecatedRuleUse} DeprecatedRuleInfo */ +/** @typedef {import("../types").ESLint.FormatterFunction} FormatterFunction */ +/** @typedef {import("../types").Linter.LintMessage} LintMessage */ +/** @typedef {import("../types").Linter.ParserOptions} ParserOptions */ +/** @typedef {import("../types").ESLint.Plugin} Plugin */ +/** @typedef {import("../types").Rule.RuleModule} Rule */ +/** @typedef {import("../types").Linter.RuleEntry} RuleConf */ +/** @typedef {import("../types").Linter.SuppressedLintMessage} SuppressedLintMessage */ +/** @typedef {ReturnType} ConfigArray */ +/** @typedef {ReturnType} ExtractedConfig */ + +/** + * The options to configure a CLI engine with. + * @typedef {Object} CLIEngineOptions + * @property {boolean} [allowInlineConfig] Enable or disable inline configuration comments. + * @property {ConfigData} [baseConfig] Base config object, extended by all configs used with this CLIEngine instance + * @property {boolean} [cache] Enable result caching. + * @property {string} [cacheLocation] The cache file to use instead of .eslintcache. + * @property {string} [configFile] The configuration file to use. + * @property {string} [cwd] The value to use for the current working directory. + * @property {string[]} [envs] An array of environments to load. + * @property {string[]|null} [extensions] An array of file extensions to check. + * @property {boolean|Function} [fix] Execute in autofix mode. If a function, should return a boolean. + * @property {string[]} [fixTypes] Array of rule types to apply fixes for. + * @property {string[]} [globals] An array of global variables to declare. + * @property {boolean} [ignore] False disables use of .eslintignore. + * @property {string} [ignorePath] The ignore file to use instead of .eslintignore. + * @property {string|string[]} [ignorePattern] One or more glob patterns to ignore. + * @property {boolean} [useEslintrc] False disables looking for .eslintrc + * @property {string} [parser] The name of the parser to use. + * @property {ParserOptions} [parserOptions] An object of parserOption settings to use. + * @property {string[]} [plugins] An array of plugins to load. + * @property {Record} [rules] An object of rules to use. + * @property {string[]} [rulePaths] An array of directories to load custom rules from. + * @property {boolean|string} [reportUnusedDisableDirectives] `true`, `"error"` or '"warn"' adds reports for unused eslint-disable directives + * @property {boolean} [globInputPaths] Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file. + * @property {string} [resolvePluginsRelativeTo] The folder where plugins should be resolved from, defaulting to the CWD + */ + +/** + * A linting result. + * @typedef {Object} LintResult + * @property {string} filePath The path to the file that was linted. + * @property {LintMessage[]} messages All of the messages for the result. + * @property {SuppressedLintMessage[]} suppressedMessages All of the suppressed messages for the result. + * @property {number} errorCount Number of errors for the result. + * @property {number} fatalErrorCount Number of fatal errors for the result. + * @property {number} warningCount Number of warnings for the result. + * @property {number} fixableErrorCount Number of fixable errors for the result. + * @property {number} fixableWarningCount Number of fixable warnings for the result. + * @property {string} [source] The source code of the file that was linted. + * @property {string} [output] The source code of the file that was linted, with as many fixes applied as possible. + */ + +/** + * Linting results. + * @typedef {Object} LintReport + * @property {LintResult[]} results All of the result. + * @property {number} errorCount Number of errors for the result. + * @property {number} fatalErrorCount Number of fatal errors for the result. + * @property {number} warningCount Number of warnings for the result. + * @property {number} fixableErrorCount Number of fixable errors for the result. + * @property {number} fixableWarningCount Number of fixable warnings for the result. + * @property {DeprecatedRuleInfo[]} usedDeprecatedRules The list of used deprecated rules. + */ + +/** + * Private data for CLIEngine. + * @typedef {Object} CLIEngineInternalSlots + * @property {Map} additionalPluginPool The map for additional plugins. + * @property {string} cacheFilePath The path to the cache of lint results. + * @property {CascadingConfigArrayFactory} configArrayFactory The factory of configs. + * @property {(filePath: string) => boolean} defaultIgnores The default predicate function to check if a file ignored or not. + * @property {FileEnumerator} fileEnumerator The file enumerator. + * @property {ConfigArray[]} lastConfigArrays The list of config arrays that the last `executeOnFiles` or `executeOnText` used. + * @property {LintResultCache|null} lintResultCache The cache of lint results. + * @property {Linter} linter The linter instance which has loaded rules. + * @property {CLIEngineOptions} options The normalized options of this instance. + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** @type {WeakMap} */ +const internalSlotsMap = new WeakMap(); + +/** + * Determines if each fix type in an array is supported by ESLint and throws + * an error if not. + * @param {string[]} fixTypes An array of fix types to check. + * @returns {void} + * @throws {Error} If an invalid fix type is found. + */ +function validateFixTypes(fixTypes) { + for (const fixType of fixTypes) { + if (!validFixTypes.has(fixType)) { + throw new Error(`Invalid fix type "${fixType}" found.`); + } + } +} + +/** + * It will calculate the error and warning count for collection of messages per file + * @param {LintMessage[]} messages Collection of messages + * @returns {Object} Contains the stats + * @private + */ +function calculateStatsPerFile(messages) { + const stat = { + errorCount: 0, + fatalErrorCount: 0, + warningCount: 0, + fixableErrorCount: 0, + fixableWarningCount: 0, + }; + + for (let i = 0; i < messages.length; i++) { + const message = messages[i]; + + if (message.fatal || message.severity === 2) { + stat.errorCount++; + if (message.fatal) { + stat.fatalErrorCount++; + } + if (message.fix) { + stat.fixableErrorCount++; + } + } else { + stat.warningCount++; + if (message.fix) { + stat.fixableWarningCount++; + } + } + } + return stat; +} + +/** + * It will calculate the error and warning count for collection of results from all files + * @param {LintResult[]} results Collection of messages from all the files + * @returns {Object} Contains the stats + * @private + */ +function calculateStatsPerRun(results) { + const stat = { + errorCount: 0, + fatalErrorCount: 0, + warningCount: 0, + fixableErrorCount: 0, + fixableWarningCount: 0, + }; + + for (let i = 0; i < results.length; i++) { + const result = results[i]; + + stat.errorCount += result.errorCount; + stat.fatalErrorCount += result.fatalErrorCount; + stat.warningCount += result.warningCount; + stat.fixableErrorCount += result.fixableErrorCount; + stat.fixableWarningCount += result.fixableWarningCount; + } + + return stat; +} + +/** + * Processes an source code using ESLint. + * @param {Object} config The config object. + * @param {string} config.text The source code to verify. + * @param {string} config.cwd The path to the current working directory. + * @param {string|undefined} config.filePath The path to the file of `text`. If this is undefined, it uses ``. + * @param {ConfigArray} config.config The config. + * @param {boolean} config.fix If `true` then it does fix. + * @param {boolean} config.allowInlineConfig If `true` then it uses directive comments. + * @param {boolean|string} config.reportUnusedDisableDirectives If `true`, `"error"` or '"warn"', then it reports unused `eslint-disable` comments. + * @param {FileEnumerator} config.fileEnumerator The file enumerator to check if a path is a target or not. + * @param {Linter} config.linter The linter instance to verify. + * @returns {LintResult} The result of linting. + * @private + */ +function verifyText({ + text, + cwd, + filePath: providedFilePath, + config, + fix, + allowInlineConfig, + reportUnusedDisableDirectives, + fileEnumerator, + linter, +}) { + const filePath = providedFilePath || ""; + + debug(`Lint ${filePath}`); + + /* + * Verify. + * `config.extractConfig(filePath)` requires an absolute path, but `linter` + * doesn't know CWD, so it gives `linter` an absolute path always. + */ + const filePathToVerify = + filePath === "" ? path.join(cwd, filePath) : filePath; + const { fixed, messages, output } = linter.verifyAndFix(text, config, { + allowInlineConfig, + filename: filePathToVerify, + fix, + reportUnusedDisableDirectives, + + /** + * Check if the linter should adopt a given code block or not. + * @param {string} blockFilename The virtual filename of a code block. + * @returns {boolean} `true` if the linter should adopt the code block. + */ + filterCodeBlock(blockFilename) { + return fileEnumerator.isTargetPath(blockFilename); + }, + }); + + // Tweak and return. + const result = { + filePath, + messages, + suppressedMessages: linter.getSuppressedMessages(), + ...calculateStatsPerFile(messages), + }; + + if (fixed) { + result.output = output; + } + if ( + result.errorCount + result.warningCount > 0 && + typeof result.output === "undefined" + ) { + result.source = text; + } + + return result; +} + +/** + * Returns result with warning by ignore settings + * @param {string} filePath File path of checked code + * @param {string} baseDir Absolute path of base directory + * @returns {LintResult} Result with single warning + * @private + */ +function createIgnoreResult(filePath, baseDir) { + let message; + const isHidden = filePath + .split(path.sep) + .find(segment => /^\./u.test(segment)); + const isInNodeModules = + baseDir && path.relative(baseDir, filePath).startsWith("node_modules"); + + if (isHidden) { + message = + "File ignored by default. Use a negated ignore pattern (like \"--ignore-pattern '!'\") to override."; + } else if (isInNodeModules) { + message = + "File ignored by default. Use \"--ignore-pattern '!node_modules/*'\" to override."; + } else { + message = + 'File ignored because of a matching ignore pattern. Use "--no-ignore" to override.'; + } + + return { + filePath: path.resolve(filePath), + messages: [ + { + ruleId: null, + fatal: false, + severity: 1, + message, + nodeType: null, + }, + ], + suppressedMessages: [], + errorCount: 0, + fatalErrorCount: 0, + warningCount: 1, + fixableErrorCount: 0, + fixableWarningCount: 0, + }; +} + +/** + * Get a rule. + * @param {string} ruleId The rule ID to get. + * @param {ConfigArray[]} configArrays The config arrays that have plugin rules. + * @returns {Rule|null} The rule or null. + */ +function getRule(ruleId, configArrays) { + for (const configArray of configArrays) { + const rule = configArray.pluginRules.get(ruleId); + + if (rule) { + return rule; + } + } + return builtInRules.get(ruleId) || null; +} + +/** + * Checks whether a message's rule type should be fixed. + * @param {LintMessage} message The message to check. + * @param {ConfigArray[]} lastConfigArrays The list of config arrays that the last `executeOnFiles` or `executeOnText` used. + * @param {string[]} fixTypes An array of fix types to check. + * @returns {boolean} Whether the message should be fixed. + */ +function shouldMessageBeFixed(message, lastConfigArrays, fixTypes) { + if (!message.ruleId) { + return fixTypes.has("directive"); + } + + const rule = message.ruleId && getRule(message.ruleId, lastConfigArrays); + + return Boolean(rule && rule.meta && fixTypes.has(rule.meta.type)); +} + +/** + * Collect used deprecated rules. + * @param {ConfigArray[]} usedConfigArrays The config arrays which were used. + * @returns {IterableIterator} Used deprecated rules. + */ +function* iterateRuleDeprecationWarnings(usedConfigArrays) { + const processedRuleIds = new Set(); + + // Flatten used configs. + /** @type {ExtractedConfig[]} */ + const configs = usedConfigArrays.flatMap(getUsedExtractedConfigs); + + // Traverse rule configs. + for (const config of configs) { + for (const [ruleId, ruleConfig] of Object.entries(config.rules)) { + // Skip if it was processed. + if (processedRuleIds.has(ruleId)) { + continue; + } + processedRuleIds.add(ruleId); + + // Skip if it's not used. + if (!ConfigOps.getRuleSeverity(ruleConfig)) { + continue; + } + const rule = getRule(ruleId, usedConfigArrays); + + // Skip if it's not deprecated. + if (!(rule && rule.meta && rule.meta.deprecated)) { + continue; + } + + // This rule was used and deprecated. + yield { + ruleId, + replacedBy: rule.meta.replacedBy || [], + }; + } + } +} + +/** + * Checks if the given message is an error message. + * @param {LintMessage} message The message to check. + * @returns {boolean} Whether or not the message is an error message. + * @private + */ +function isErrorMessage(message) { + return message.severity === 2; +} + +/** + * return the cacheFile to be used by eslint, based on whether the provided parameter is + * a directory or looks like a directory (ends in `path.sep`), in which case the file + * name will be the `cacheFile/.cache_hashOfCWD` + * + * if cacheFile points to a file or looks like a file then it will just use that file + * @param {string} cacheFile The name of file to be used to store the cache + * @param {string} cwd Current working directory + * @returns {string} the resolved path to the cache file + */ +function getCacheFile(cacheFile, cwd) { + /* + * make sure the path separators are normalized for the environment/os + * keeping the trailing path separator if present + */ + const normalizedCacheFile = path.normalize(cacheFile); + + const resolvedCacheFile = path.resolve(cwd, normalizedCacheFile); + const looksLikeADirectory = normalizedCacheFile.slice(-1) === path.sep; + + /** + * return the name for the cache file in case the provided parameter is a directory + * @returns {string} the resolved path to the cacheFile + */ + function getCacheFileForDirectory() { + return path.join(resolvedCacheFile, `.cache_${hash(cwd)}`); + } + + let fileStats; + + try { + fileStats = fs.lstatSync(resolvedCacheFile); + } catch { + fileStats = null; + } + + /* + * in case the file exists we need to verify if the provided path + * is a directory or a file. If it is a directory we want to create a file + * inside that directory + */ + if (fileStats) { + /* + * is a directory or is a file, but the original file the user provided + * looks like a directory but `path.resolve` removed the `last path.sep` + * so we need to still treat this like a directory + */ + if (fileStats.isDirectory() || looksLikeADirectory) { + return getCacheFileForDirectory(); + } + + // is file so just use that file + return resolvedCacheFile; + } + + /* + * here we known the file or directory doesn't exist, + * so we will try to infer if its a directory if it looks like a directory + * for the current operating system. + */ + + // if the last character passed is a path separator we assume is a directory + if (looksLikeADirectory) { + return getCacheFileForDirectory(); + } + + return resolvedCacheFile; +} + +/** + * Convert a string array to a boolean map. + * @param {string[]|null} keys The keys to assign true. + * @param {boolean} defaultValue The default value for each property. + * @param {string} displayName The property name which is used in error message. + * @throws {Error} Requires array. + * @returns {Record} The boolean map. + */ +function toBooleanMap(keys, defaultValue, displayName) { + if (keys && !Array.isArray(keys)) { + throw new Error(`${displayName} must be an array.`); + } + if (keys && keys.length > 0) { + return keys.reduce((map, def) => { + const [key, value] = def.split(":"); + + if (key !== "__proto__") { + map[key] = value === void 0 ? defaultValue : value === "true"; + } + + return map; + }, {}); + } + return void 0; +} + +/** + * Create a config data from CLI options. + * @param {CLIEngineOptions} options The options + * @returns {ConfigData|null} The created config data. + */ +function createConfigDataFromOptions(options) { + const { ignorePattern, parser, parserOptions, plugins, rules } = options; + const env = toBooleanMap(options.envs, true, "envs"); + const globals = toBooleanMap(options.globals, false, "globals"); + + if ( + env === void 0 && + globals === void 0 && + (ignorePattern === void 0 || ignorePattern.length === 0) && + parser === void 0 && + parserOptions === void 0 && + plugins === void 0 && + rules === void 0 + ) { + return null; + } + return { + env, + globals, + ignorePatterns: ignorePattern, + parser, + parserOptions, + plugins, + rules, + }; +} + +/** + * Checks whether a directory exists at the given location + * @param {string} resolvedPath A path from the CWD + * @throws {Error} As thrown by `fs.statSync` or `fs.isDirectory`. + * @returns {boolean} `true` if a directory exists + */ +function directoryExists(resolvedPath) { + try { + return fs.statSync(resolvedPath).isDirectory(); + } catch (error) { + if (error && (error.code === "ENOENT" || error.code === "ENOTDIR")) { + return false; + } + throw error; + } +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Core CLI. + */ +class CLIEngine { + /** + * Creates a new instance of the core CLI engine. + * @param {CLIEngineOptions} providedOptions The options for this instance. + * @param {Object} [additionalData] Additional settings that are not CLIEngineOptions. + * @param {Record|null} [additionalData.preloadedPlugins] Preloaded plugins. + */ + constructor(providedOptions, { preloadedPlugins } = {}) { + const options = Object.assign( + Object.create(null), + defaultOptions, + { cwd: process.cwd() }, + providedOptions, + ); + + if (options.fix === void 0) { + options.fix = false; + } + + const additionalPluginPool = new Map(); + + if (preloadedPlugins) { + for (const [id, plugin] of Object.entries(preloadedPlugins)) { + additionalPluginPool.set(id, plugin); + } + } + + const cacheFilePath = getCacheFile( + options.cacheLocation || options.cacheFile, + options.cwd, + ); + const configArrayFactory = new CascadingConfigArrayFactory({ + additionalPluginPool, + baseConfig: options.baseConfig || null, + cliConfig: createConfigDataFromOptions(options), + cwd: options.cwd, + ignorePath: options.ignorePath, + resolvePluginsRelativeTo: options.resolvePluginsRelativeTo, + rulePaths: options.rulePaths, + specificConfigPath: options.configFile, + useEslintrc: options.useEslintrc, + builtInRules, + loadRules, + getEslintRecommendedConfig: () => + require("@eslint/js").configs.recommended, + getEslintAllConfig: () => require("@eslint/js").configs.all, + }); + const fileEnumerator = new FileEnumerator({ + configArrayFactory, + cwd: options.cwd, + extensions: options.extensions, + globInputPaths: options.globInputPaths, + errorOnUnmatchedPattern: options.errorOnUnmatchedPattern, + ignore: options.ignore, + }); + const lintResultCache = options.cache + ? new LintResultCache(cacheFilePath, options.cacheStrategy) + : null; + const linter = new Linter({ cwd: options.cwd, configType: "eslintrc" }); + + /** @type {ConfigArray[]} */ + const lastConfigArrays = [configArrayFactory.getConfigArrayForFile()]; + + // Store private data. + internalSlotsMap.set(this, { + additionalPluginPool, + cacheFilePath, + configArrayFactory, + defaultIgnores: IgnorePattern.createDefaultIgnore(options.cwd), + fileEnumerator, + lastConfigArrays, + lintResultCache, + linter, + options, + }); + + // setup special filter for fixes + if (options.fix && options.fixTypes && options.fixTypes.length > 0) { + debug(`Using fix types ${options.fixTypes}`); + + // throw an error if any invalid fix types are found + validateFixTypes(options.fixTypes); + + // convert to Set for faster lookup + const fixTypes = new Set(options.fixTypes); + + // save original value of options.fix in case it's a function + const originalFix = + typeof options.fix === "function" ? options.fix : () => true; + + options.fix = message => + shouldMessageBeFixed(message, lastConfigArrays, fixTypes) && + originalFix(message); + } + } + + getRules() { + const { lastConfigArrays } = internalSlotsMap.get(this); + + return new Map( + (function* () { + yield* builtInRules; + + for (const configArray of lastConfigArrays) { + yield* configArray.pluginRules; + } + })(), + ); + } + + /** + * Returns results that only contains errors. + * @param {LintResult[]} results The results to filter. + * @returns {LintResult[]} The filtered results. + */ + static getErrorResults(results) { + const filtered = []; + + results.forEach(result => { + const filteredMessages = result.messages.filter(isErrorMessage); + const filteredSuppressedMessages = + result.suppressedMessages.filter(isErrorMessage); + + if (filteredMessages.length > 0) { + filtered.push({ + ...result, + messages: filteredMessages, + suppressedMessages: filteredSuppressedMessages, + errorCount: filteredMessages.length, + warningCount: 0, + fixableErrorCount: result.fixableErrorCount, + fixableWarningCount: 0, + }); + } + }); + + return filtered; + } + + /** + * Outputs fixes from the given results to files. + * @param {LintReport} report The report object created by CLIEngine. + * @returns {void} + */ + static outputFixes(report) { + report.results + .filter(result => Object.hasOwn(result, "output")) + .forEach(result => { + fs.writeFileSync(result.filePath, result.output); + }); + } + + /** + * Resolves the patterns passed into executeOnFiles() into glob-based patterns + * for easier handling. + * @param {string[]} patterns The file patterns passed on the command line. + * @returns {string[]} The equivalent glob patterns. + */ + resolveFileGlobPatterns(patterns) { + const { options } = internalSlotsMap.get(this); + + if (options.globInputPaths === false) { + return patterns.filter(Boolean); + } + + const extensions = (options.extensions || [".js"]).map(ext => + ext.replace(/^\./u, ""), + ); + const dirSuffix = `/**/*.{${extensions.join(",")}}`; + + return patterns.filter(Boolean).map(pathname => { + const resolvedPath = path.resolve(options.cwd, pathname); + const newPath = directoryExists(resolvedPath) + ? pathname.replace(/[/\\]$/u, "") + dirSuffix + : pathname; + + return path.normalize(newPath).replace(/\\/gu, "/"); + }); + } + + /** + * Executes the current configuration on an array of file and directory names. + * @param {string[]} patterns An array of file and directory names. + * @throws {Error} As may be thrown by `fs.unlinkSync`. + * @returns {LintReport} The results for all files that were linted. + */ + executeOnFiles(patterns) { + const { + cacheFilePath, + fileEnumerator, + lastConfigArrays, + lintResultCache, + linter, + options: { + allowInlineConfig, + cache, + cwd, + fix, + reportUnusedDisableDirectives, + }, + } = internalSlotsMap.get(this); + const results = []; + const startTime = Date.now(); + + // Clear the last used config arrays. + lastConfigArrays.length = 0; + + // Delete cache file; should this do here? + if (!cache) { + try { + fs.unlinkSync(cacheFilePath); + } catch (error) { + const errorCode = error && error.code; + + // Ignore errors when no such file exists or file system is read only (and cache file does not exist) + if ( + errorCode !== "ENOENT" && + !(errorCode === "EROFS" && !fs.existsSync(cacheFilePath)) + ) { + throw error; + } + } + } + + // Iterate source code files. + for (const { config, filePath, ignored } of fileEnumerator.iterateFiles( + patterns, + )) { + if (ignored) { + results.push(createIgnoreResult(filePath, cwd)); + continue; + } + + /* + * Store used configs for: + * - this method uses to collect used deprecated rules. + * - `getRules()` method uses to collect all loaded rules. + * - `--fix-type` option uses to get the loaded rule's meta data. + */ + if (!lastConfigArrays.includes(config)) { + lastConfigArrays.push(config); + } + + // Skip if there is cached result. + if (lintResultCache) { + const cachedResult = lintResultCache.getCachedLintResults( + filePath, + config, + ); + + if (cachedResult) { + const hadMessages = + cachedResult.messages && + cachedResult.messages.length > 0; + + if (hadMessages && fix) { + debug( + `Reprocessing cached file to allow autofix: ${filePath}`, + ); + } else { + debug( + `Skipping file since it hasn't changed: ${filePath}`, + ); + results.push(cachedResult); + continue; + } + } + } + + // Do lint. + const result = verifyText({ + text: fs.readFileSync(filePath, "utf8"), + filePath, + config, + cwd, + fix, + allowInlineConfig, + reportUnusedDisableDirectives, + fileEnumerator, + linter, + }); + + results.push(result); + + /* + * Store the lint result in the LintResultCache. + * NOTE: The LintResultCache will remove the file source and any + * other properties that are difficult to serialize, and will + * hydrate those properties back in on future lint runs. + */ + if (lintResultCache) { + lintResultCache.setCachedLintResults(filePath, config, result); + } + } + + // Persist the cache to disk. + if (lintResultCache) { + lintResultCache.reconcile(); + } + + debug(`Linting complete in: ${Date.now() - startTime}ms`); + let usedDeprecatedRules; + + return { + results, + ...calculateStatsPerRun(results), + + // Initialize it lazily because CLI and `ESLint` API don't use it. + get usedDeprecatedRules() { + if (!usedDeprecatedRules) { + usedDeprecatedRules = Array.from( + iterateRuleDeprecationWarnings(lastConfigArrays), + ); + } + return usedDeprecatedRules; + }, + }; + } + + /** + * Executes the current configuration on text. + * @param {string} text A string of JavaScript code to lint. + * @param {string} [filename] An optional string representing the texts filename. + * @param {boolean} [warnIgnored] Always warn when a file is ignored + * @returns {LintReport} The results for the linting. + */ + executeOnText(text, filename, warnIgnored) { + const { + configArrayFactory, + fileEnumerator, + lastConfigArrays, + linter, + options: { + allowInlineConfig, + cwd, + fix, + reportUnusedDisableDirectives, + }, + } = internalSlotsMap.get(this); + const results = []; + const startTime = Date.now(); + const resolvedFilename = filename && path.resolve(cwd, filename); + + // Clear the last used config arrays. + lastConfigArrays.length = 0; + if (resolvedFilename && this.isPathIgnored(resolvedFilename)) { + if (warnIgnored) { + results.push(createIgnoreResult(resolvedFilename, cwd)); + } + } else { + const config = configArrayFactory.getConfigArrayForFile( + resolvedFilename || "__placeholder__.js", + ); + + /* + * Store used configs for: + * - this method uses to collect used deprecated rules. + * - `getRules()` method uses to collect all loaded rules. + * - `--fix-type` option uses to get the loaded rule's meta data. + */ + lastConfigArrays.push(config); + + // Do lint. + results.push( + verifyText({ + text, + filePath: resolvedFilename, + config, + cwd, + fix, + allowInlineConfig, + reportUnusedDisableDirectives, + fileEnumerator, + linter, + }), + ); + } + + debug(`Linting complete in: ${Date.now() - startTime}ms`); + let usedDeprecatedRules; + + return { + results, + ...calculateStatsPerRun(results), + + // Initialize it lazily because CLI and `ESLint` API don't use it. + get usedDeprecatedRules() { + if (!usedDeprecatedRules) { + usedDeprecatedRules = Array.from( + iterateRuleDeprecationWarnings(lastConfigArrays), + ); + } + return usedDeprecatedRules; + }, + }; + } + + /** + * Returns a configuration object for the given file based on the CLI options. + * This is the same logic used by the ESLint CLI executable to determine + * configuration for each file it processes. + * @param {string} filePath The path of the file to retrieve a config object for. + * @throws {Error} If filepath a directory path. + * @returns {ConfigData} A configuration object for the file. + */ + getConfigForFile(filePath) { + const { configArrayFactory, options } = internalSlotsMap.get(this); + const absolutePath = path.resolve(options.cwd, filePath); + + if (directoryExists(absolutePath)) { + throw Object.assign( + new Error("'filePath' should not be a directory path."), + { messageTemplate: "print-config-with-directory-path" }, + ); + } + + return configArrayFactory + .getConfigArrayForFile(absolutePath) + .extractConfig(absolutePath) + .toCompatibleObjectAsConfigFileContent(); + } + + /** + * Checks if a given path is ignored by ESLint. + * @param {string} filePath The path of the file to check. + * @returns {boolean} Whether or not the given path is ignored. + */ + isPathIgnored(filePath) { + const { + configArrayFactory, + defaultIgnores, + options: { cwd, ignore }, + } = internalSlotsMap.get(this); + const absolutePath = path.resolve(cwd, filePath); + + if (ignore) { + const config = configArrayFactory + .getConfigArrayForFile(absolutePath) + .extractConfig(absolutePath); + const ignores = config.ignores || defaultIgnores; + + return ignores(absolutePath); + } + + return defaultIgnores(absolutePath); + } + + /** + * Returns the formatter representing the given format or null if the `format` is not a string. + * @param {string} [format] The name of the format to load or the path to a + * custom formatter. + * @throws {any} As may be thrown by requiring of formatter + * @returns {(FormatterFunction|null)} The formatter function or null if the `format` is not a string. + */ + getFormatter(format) { + // default is stylish + const resolvedFormatName = format || "stylish"; + + // only strings are valid formatters + if (typeof resolvedFormatName === "string") { + // replace \ with / for Windows compatibility + const normalizedFormatName = resolvedFormatName.replace( + /\\/gu, + "/", + ); + + const slots = internalSlotsMap.get(this); + const cwd = slots ? slots.options.cwd : process.cwd(); + const namespace = naming.getNamespaceFromTerm(normalizedFormatName); + + let formatterPath; + + // if there's a slash, then it's a file (TODO: this check seems dubious for scoped npm packages) + if (!namespace && normalizedFormatName.includes("/")) { + formatterPath = path.resolve(cwd, normalizedFormatName); + } else { + try { + const npmFormat = naming.normalizePackageName( + normalizedFormatName, + "eslint-formatter", + ); + + formatterPath = ModuleResolver.resolve( + npmFormat, + path.join(cwd, "__placeholder__.js"), + ); + } catch { + formatterPath = path.resolve( + __dirname, + "formatters", + normalizedFormatName, + ); + } + } + + try { + return require(formatterPath); + } catch (ex) { + if (removedFormatters.has(format)) { + ex.message = `The ${format} formatter is no longer part of core ESLint. Install it manually with \`npm install -D eslint-formatter-${format}\``; + } else { + ex.message = `There was a problem loading formatter: ${formatterPath}\nError: ${ex.message}`; + } + throw ex; + } + } else { + return null; + } + } +} + +CLIEngine.version = pkg.version; +CLIEngine.getFormatter = CLIEngine.prototype.getFormatter; + +module.exports = { + CLIEngine, + + /** + * Get the internal slots of a given CLIEngine instance for tests. + * @param {CLIEngine} instance The CLIEngine instance to get. + * @returns {CLIEngineInternalSlots} The internal slots. + */ + getCLIEngineInternalSlots(instance) { + return internalSlotsMap.get(instance); + }, +}; diff --git a/module/node_modules/eslint/lib/cli-engine/file-enumerator.js b/module/node_modules/eslint/lib/cli-engine/file-enumerator.js new file mode 100644 index 000000000..91c4013c9 --- /dev/null +++ b/module/node_modules/eslint/lib/cli-engine/file-enumerator.js @@ -0,0 +1,541 @@ +/** + * @fileoverview `FileEnumerator` class. + * + * `FileEnumerator` class has two responsibilities: + * + * 1. Find target files by processing glob patterns. + * 2. Tie each target file and appropriate configuration. + * + * It provides a method: + * + * - `iterateFiles(patterns)` + * Iterate files which are matched by given patterns together with the + * corresponded configuration. This is for `CLIEngine#executeOnFiles()`. + * While iterating files, it loads the configuration file of each directory + * before iterate files on the directory, so we can use the configuration + * files to determine target files. + * + * @example + * const enumerator = new FileEnumerator(); + * const linter = new Linter(); + * + * for (const { config, filePath } of enumerator.iterateFiles(["*.js"])) { + * const code = fs.readFileSync(filePath, "utf8"); + * const messages = linter.verify(code, config, filePath); + * + * console.log(messages); + * } + * + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const fs = require("node:fs"); +const path = require("node:path"); +const getGlobParent = require("glob-parent"); +const isGlob = require("is-glob"); +const escapeRegExp = require("escape-string-regexp"); +const { Minimatch } = require("minimatch"); + +const { + Legacy: { IgnorePattern, CascadingConfigArrayFactory }, +} = require("@eslint/eslintrc"); +const debug = require("debug")("eslint:file-enumerator"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const minimatchOpts = { dot: true, matchBase: true }; +const dotfilesPattern = /(?:^\.|[/\\]\.)[^/\\.].*/u; +const NONE = 0; +const IGNORED_SILENTLY = 1; +const IGNORED = 2; + +// For VSCode intellisense +/** @typedef {ReturnType} ConfigArray */ + +/** + * @typedef {Object} FileEnumeratorOptions + * @property {CascadingConfigArrayFactory} [configArrayFactory] The factory for config arrays. + * @property {string} [cwd] The base directory to start lookup. + * @property {string[]} [extensions] The extensions to match files for directory patterns. + * @property {boolean} [globInputPaths] Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file. + * @property {boolean} [ignore] The flag to check ignored files. + * @property {string[]} [rulePaths] The value of `--rulesdir` option. + */ + +/** + * @typedef {Object} FileAndConfig + * @property {string} filePath The path to a target file. + * @property {ConfigArray} config The config entries of that file. + * @property {boolean} ignored If `true` then this file should be ignored and warned because it was directly specified. + */ + +/** + * @typedef {Object} FileEntry + * @property {string} filePath The path to a target file. + * @property {ConfigArray} config The config entries of that file. + * @property {NONE|IGNORED_SILENTLY|IGNORED} flag The flag. + * - `NONE` means the file is a target file. + * - `IGNORED_SILENTLY` means the file should be ignored silently. + * - `IGNORED` means the file should be ignored and warned because it was directly specified. + */ + +/** + * @typedef {Object} FileEnumeratorInternalSlots + * @property {CascadingConfigArrayFactory} configArrayFactory The factory for config arrays. + * @property {string} cwd The base directory to start lookup. + * @property {RegExp|null} extensionRegExp The RegExp to test if a string ends with specific file extensions. + * @property {boolean} globInputPaths Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file. + * @property {boolean} ignoreFlag The flag to check ignored files. + * @property {(filePath:string, dot:boolean) => boolean} defaultIgnores The default predicate function to ignore files. + */ + +/** @type {WeakMap} */ +const internalSlotsMap = new WeakMap(); + +/** + * Check if a string is a glob pattern or not. + * @param {string} pattern A glob pattern. + * @returns {boolean} `true` if the string is a glob pattern. + */ +function isGlobPattern(pattern) { + return isGlob(path.sep === "\\" ? pattern.replace(/\\/gu, "/") : pattern); +} + +/** + * Get stats of a given path. + * @param {string} filePath The path to target file. + * @throws {Error} As may be thrown by `fs.statSync`. + * @returns {fs.Stats|null} The stats. + * @private + */ +function statSafeSync(filePath) { + try { + return fs.statSync(filePath); + } catch (error) { + /* c8 ignore next */ + if (error.code !== "ENOENT") { + throw error; + } + return null; + } +} + +/** + * Get filenames in a given path to a directory. + * @param {string} directoryPath The path to target directory. + * @throws {Error} As may be thrown by `fs.readdirSync`. + * @returns {import("fs").Dirent[]} The filenames. + * @private + */ +function readdirSafeSync(directoryPath) { + try { + return fs.readdirSync(directoryPath, { withFileTypes: true }); + } catch (error) { + /* c8 ignore next */ + if (error.code !== "ENOENT") { + throw error; + } + return []; + } +} + +/** + * Create a `RegExp` object to detect extensions. + * @param {string[] | null} extensions The extensions to create. + * @returns {RegExp | null} The created `RegExp` object or null. + */ +function createExtensionRegExp(extensions) { + if (extensions) { + const normalizedExts = extensions.map(ext => + escapeRegExp(ext.startsWith(".") ? ext.slice(1) : ext), + ); + + return new RegExp(`.\\.(?:${normalizedExts.join("|")})$`, "u"); + } + return null; +} + +/** + * The error type when no files match a glob. + */ +class NoFilesFoundError extends Error { + /** + * @param {string} pattern The glob pattern which was not found. + * @param {boolean} globDisabled If `true` then the pattern was a glob pattern, but glob was disabled. + */ + constructor(pattern, globDisabled) { + super( + `No files matching '${pattern}' were found${globDisabled ? " (glob was disabled)" : ""}.`, + ); + this.messageTemplate = "file-not-found"; + this.messageData = { pattern, globDisabled }; + } +} + +/** + * The error type when there are files matched by a glob, but all of them have been ignored. + */ +class AllFilesIgnoredError extends Error { + /** + * @param {string} pattern The glob pattern which was not found. + */ + constructor(pattern) { + super(`All files matched by '${pattern}' are ignored.`); + this.messageTemplate = "all-files-ignored"; + this.messageData = { pattern }; + } +} + +/** + * This class provides the functionality that enumerates every file which is + * matched by given glob patterns and that configuration. + */ +class FileEnumerator { + /** + * Initialize this enumerator. + * @param {FileEnumeratorOptions} options The options. + */ + constructor({ + cwd = process.cwd(), + configArrayFactory = new CascadingConfigArrayFactory({ + cwd, + getEslintRecommendedConfig: () => + require("@eslint/js").configs.recommended, + getEslintAllConfig: () => require("@eslint/js").configs.all, + }), + extensions = null, + globInputPaths = true, + errorOnUnmatchedPattern = true, + ignore = true, + } = {}) { + internalSlotsMap.set(this, { + configArrayFactory, + cwd, + defaultIgnores: IgnorePattern.createDefaultIgnore(cwd), + extensionRegExp: createExtensionRegExp(extensions), + globInputPaths, + errorOnUnmatchedPattern, + ignoreFlag: ignore, + }); + } + + /** + * Check if a given file is target or not. + * @param {string} filePath The path to a candidate file. + * @param {ConfigArray} [providedConfig] Optional. The configuration for the file. + * @returns {boolean} `true` if the file is a target. + */ + isTargetPath(filePath, providedConfig) { + const { configArrayFactory, extensionRegExp } = + internalSlotsMap.get(this); + + // If `--ext` option is present, use it. + if (extensionRegExp) { + return extensionRegExp.test(filePath); + } + + // `.js` file is target by default. + if (filePath.endsWith(".js")) { + return true; + } + + // use `overrides[].files` to check additional targets. + const config = + providedConfig || + configArrayFactory.getConfigArrayForFile(filePath, { + ignoreNotFoundError: true, + }); + + return config.isAdditionalTargetPath(filePath); + } + + /** + * Iterate files which are matched by given glob patterns. + * @param {string|string[]} patternOrPatterns The glob patterns to iterate files. + * @throws {NoFilesFoundError|AllFilesIgnoredError} On an unmatched pattern. + * @returns {IterableIterator} The found files. + */ + *iterateFiles(patternOrPatterns) { + const { globInputPaths, errorOnUnmatchedPattern } = + internalSlotsMap.get(this); + const patterns = Array.isArray(patternOrPatterns) + ? patternOrPatterns + : [patternOrPatterns]; + + debug("Start to iterate files: %o", patterns); + + // The set of paths to remove duplicate. + const set = new Set(); + + for (const pattern of patterns) { + let foundRegardlessOfIgnored = false; + let found = false; + + // Skip empty string. + if (!pattern) { + continue; + } + + // Iterate files of this pattern. + for (const { config, filePath, flag } of this._iterateFiles( + pattern, + )) { + foundRegardlessOfIgnored = true; + if (flag === IGNORED_SILENTLY) { + continue; + } + found = true; + + // Remove duplicate paths while yielding paths. + if (!set.has(filePath)) { + set.add(filePath); + yield { + config, + filePath, + ignored: flag === IGNORED, + }; + } + } + + // Raise an error if any files were not found. + if (errorOnUnmatchedPattern) { + if (!foundRegardlessOfIgnored) { + throw new NoFilesFoundError( + pattern, + !globInputPaths && isGlob(pattern), + ); + } + if (!found) { + throw new AllFilesIgnoredError(pattern); + } + } + } + + debug(`Complete iterating files: ${JSON.stringify(patterns)}`); + } + + /** + * Iterate files which are matched by a given glob pattern. + * @param {string} pattern The glob pattern to iterate files. + * @returns {IterableIterator} The found files. + */ + _iterateFiles(pattern) { + const { cwd, globInputPaths } = internalSlotsMap.get(this); + const absolutePath = path.resolve(cwd, pattern); + const isDot = dotfilesPattern.test(pattern); + const stat = statSafeSync(absolutePath); + + if (stat && stat.isDirectory()) { + return this._iterateFilesWithDirectory(absolutePath, isDot); + } + if (stat && stat.isFile()) { + return this._iterateFilesWithFile(absolutePath); + } + if (globInputPaths && isGlobPattern(pattern)) { + return this._iterateFilesWithGlob(pattern, isDot); + } + + return []; + } + + /** + * Iterate a file which is matched by a given path. + * @param {string} filePath The path to the target file. + * @returns {IterableIterator} The found files. + * @private + */ + _iterateFilesWithFile(filePath) { + debug(`File: ${filePath}`); + + const { configArrayFactory } = internalSlotsMap.get(this); + const config = configArrayFactory.getConfigArrayForFile(filePath); + const ignored = this._isIgnoredFile(filePath, { config, direct: true }); + const flag = ignored ? IGNORED : NONE; + + return [{ config, filePath, flag }]; + } + + /** + * Iterate files in a given path. + * @param {string} directoryPath The path to the target directory. + * @param {boolean} dotfiles If `true` then it doesn't skip dot files by default. + * @returns {IterableIterator} The found files. + * @private + */ + _iterateFilesWithDirectory(directoryPath, dotfiles) { + debug(`Directory: ${directoryPath}`); + + return this._iterateFilesRecursive(directoryPath, { + dotfiles, + recursive: true, + selector: null, + }); + } + + /** + * Iterate files which are matched by a given glob pattern. + * @param {string} pattern The glob pattern to iterate files. + * @param {boolean} dotfiles If `true` then it doesn't skip dot files by default. + * @returns {IterableIterator} The found files. + * @private + */ + _iterateFilesWithGlob(pattern, dotfiles) { + debug(`Glob: ${pattern}`); + + const { cwd } = internalSlotsMap.get(this); + const directoryPath = path.resolve(cwd, getGlobParent(pattern)); + const absolutePath = path.resolve(cwd, pattern); + const globPart = absolutePath.slice(directoryPath.length + 1); + + /* + * recursive if there are `**` or path separators in the glob part. + * Otherwise, patterns such as `src/*.js`, it doesn't need recursive. + */ + const recursive = /\*\*|\/|\\/u.test(globPart); + const selector = new Minimatch(absolutePath, minimatchOpts); + + debug(`recursive? ${recursive}`); + + return this._iterateFilesRecursive(directoryPath, { + dotfiles, + recursive, + selector, + }); + } + + /** + * Iterate files in a given path. + * @param {string} directoryPath The path to the target directory. + * @param {Object} options The options to iterate files. + * @param {boolean} [options.dotfiles] If `true` then it doesn't skip dot files by default. + * @param {boolean} [options.recursive] If `true` then it dives into sub directories. + * @param {InstanceType} [options.selector] The matcher to choose files. + * @returns {IterableIterator} The found files. + * @private + */ + *_iterateFilesRecursive(directoryPath, options) { + debug(`Enter the directory: ${directoryPath}`); + const { configArrayFactory } = internalSlotsMap.get(this); + + /** @type {ConfigArray|null} */ + let config = null; + + // Enumerate the files of this directory. + for (const entry of readdirSafeSync(directoryPath)) { + const filePath = path.join(directoryPath, entry.name); + const fileInfo = entry.isSymbolicLink() + ? statSafeSync(filePath) + : entry; + + if (!fileInfo) { + continue; + } + + // Check if the file is matched. + if (fileInfo.isFile()) { + if (!config) { + config = configArrayFactory.getConfigArrayForFile( + filePath, + + /* + * We must ignore `ConfigurationNotFoundError` at this + * point because we don't know if target files exist in + * this directory. + */ + { ignoreNotFoundError: true }, + ); + } + const matched = options.selector + ? // Started with a glob pattern; choose by the pattern. + options.selector.match(filePath) + : // Started with a directory path; choose by file extensions. + this.isTargetPath(filePath, config); + + if (matched) { + const ignored = this._isIgnoredFile(filePath, { + ...options, + config, + }); + const flag = ignored ? IGNORED_SILENTLY : NONE; + + debug( + `Yield: ${entry.name}${ignored ? " but ignored" : ""}`, + ); + yield { + config: configArrayFactory.getConfigArrayForFile( + filePath, + ), + filePath, + flag, + }; + } else { + debug(`Didn't match: ${entry.name}`); + } + + // Dive into the sub directory. + } else if (options.recursive && fileInfo.isDirectory()) { + if (!config) { + config = configArrayFactory.getConfigArrayForFile( + filePath, + { ignoreNotFoundError: true }, + ); + } + const ignored = this._isIgnoredFile(filePath + path.sep, { + ...options, + config, + }); + + if (!ignored) { + yield* this._iterateFilesRecursive(filePath, options); + } + } + } + + debug(`Leave the directory: ${directoryPath}`); + } + + /** + * Check if a given file should be ignored. + * @param {string} filePath The path to a file to check. + * @param {Object} options Options + * @param {ConfigArray} [options.config] The config for this file. + * @param {boolean} [options.dotfiles] If `true` then this is not ignore dot files by default. + * @param {boolean} [options.direct] If `true` then this is a direct specified file. + * @returns {boolean} `true` if the file should be ignored. + * @private + */ + _isIgnoredFile( + filePath, + { config: providedConfig, dotfiles = false, direct = false }, + ) { + const { configArrayFactory, defaultIgnores, ignoreFlag } = + internalSlotsMap.get(this); + + if (ignoreFlag) { + const config = + providedConfig || + configArrayFactory.getConfigArrayForFile(filePath, { + ignoreNotFoundError: true, + }); + const ignores = + config.extractConfig(filePath).ignores || defaultIgnores; + + return ignores(filePath, dotfiles); + } + + return !direct && defaultIgnores(filePath, dotfiles); + } +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = { FileEnumerator }; diff --git a/module/node_modules/eslint/lib/cli-engine/formatters/formatters-meta.json b/module/node_modules/eslint/lib/cli-engine/formatters/formatters-meta.json new file mode 100644 index 000000000..cf3205291 --- /dev/null +++ b/module/node_modules/eslint/lib/cli-engine/formatters/formatters-meta.json @@ -0,0 +1,18 @@ +[ + { + "name": "html", + "description": "Outputs results to HTML. The `html` formatter is useful for visual presentation in the browser." + }, + { + "name": "json-with-metadata", + "description": "Outputs JSON-serialized results. The `json-with-metadata` provides the same linting results as the [`json`](#json) formatter with additional metadata about the rules applied. The linting results are included in the `results` property and the rules metadata is included in the `metadata` property.\n\nAlternatively, you can use the [ESLint Node.js API](../../integrate/nodejs-api) to programmatically use ESLint." + }, + { + "name": "json", + "description": "Outputs JSON-serialized results. The `json` formatter is useful when you want to programmatically work with the CLI's linting results.\n\nAlternatively, you can use the [ESLint Node.js API](../../integrate/nodejs-api) to programmatically use ESLint." + }, + { + "name": "stylish", + "description": "Human-readable output format. This is the default formatter." + } +] diff --git a/module/node_modules/eslint/lib/cli-engine/formatters/html.js b/module/node_modules/eslint/lib/cli-engine/formatters/html.js new file mode 100644 index 000000000..ef8d445ab --- /dev/null +++ b/module/node_modules/eslint/lib/cli-engine/formatters/html.js @@ -0,0 +1,359 @@ +/** + * @fileoverview HTML reporter + * @author Julian Laval + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const encodeHTML = (function () { + const encodeHTMLRules = { + "&": "&", + "<": "<", + ">": ">", + '"': """, + "'": "'", + }; + const matchHTML = /[&<>"']/gu; + + return function (code) { + return code + ? code.toString().replace(matchHTML, m => encodeHTMLRules[m] || m) + : ""; + }; +})(); + +/** + * Get the final HTML document. + * @param {Object} it data for the document. + * @returns {string} HTML document. + */ +function pageTemplate(it) { + const { reportColor, reportSummary, date, results } = it; + + return ` + + + + + ESLint Report + + + + + +
+

ESLint Report

+
+ ${reportSummary} - Generated on ${date} +
+
+ + + ${results} + +
+ + + +`.trimStart(); +} + +/** + * Given a word and a count, append an s if count is not one. + * @param {string} word A word in its singular form. + * @param {number} count A number controlling whether word should be pluralized. + * @returns {string} The original word with an s on the end if count is not one. + */ +function pluralize(word, count) { + return count === 1 ? word : `${word}s`; +} + +/** + * Renders text along the template of x problems (x errors, x warnings) + * @param {string} totalErrors Total errors + * @param {string} totalWarnings Total warnings + * @returns {string} The formatted string, pluralized where necessary + */ +function renderSummary(totalErrors, totalWarnings) { + const totalProblems = totalErrors + totalWarnings; + let renderedText = `${totalProblems} ${pluralize("problem", totalProblems)}`; + + if (totalProblems !== 0) { + renderedText += ` (${totalErrors} ${pluralize("error", totalErrors)}, ${totalWarnings} ${pluralize("warning", totalWarnings)})`; + } + return renderedText; +} + +/** + * Get the color based on whether there are errors/warnings... + * @param {string} totalErrors Total errors + * @param {string} totalWarnings Total warnings + * @returns {number} The color code (0 = green, 1 = yellow, 2 = red) + */ +function renderColor(totalErrors, totalWarnings) { + if (totalErrors !== 0) { + return 2; + } + if (totalWarnings !== 0) { + return 1; + } + return 0; +} + +/** + * Get HTML (table row) describing a single message. + * @param {Object} it data for the message. + * @returns {string} HTML (table row) describing the message. + */ +function messageTemplate(it) { + const { + parentIndex, + lineNumber, + columnNumber, + severityNumber, + severityName, + message, + ruleUrl, + ruleId, + } = it; + + return ` + + ${lineNumber}:${columnNumber} + ${severityName} + ${encodeHTML(message)} + + ${ruleId ? ruleId : ""} + + +`.trimStart(); +} + +/** + * Get HTML (table rows) describing the messages. + * @param {Array} messages Messages. + * @param {number} parentIndex Index of the parent HTML row. + * @param {Object} rulesMeta Dictionary containing metadata for each rule executed by the analysis. + * @returns {string} HTML (table rows) describing the messages. + */ +function renderMessages(messages, parentIndex, rulesMeta) { + /** + * Get HTML (table row) describing a message. + * @param {Object} message Message. + * @returns {string} HTML (table row) describing a message. + */ + return messages + .map(message => { + const lineNumber = message.line || 0; + const columnNumber = message.column || 0; + let ruleUrl; + + if (rulesMeta) { + const meta = rulesMeta[message.ruleId]; + + if (meta && meta.docs && meta.docs.url) { + ruleUrl = meta.docs.url; + } + } + + return messageTemplate({ + parentIndex, + lineNumber, + columnNumber, + severityNumber: message.severity, + severityName: message.severity === 1 ? "Warning" : "Error", + message: message.message, + ruleId: message.ruleId, + ruleUrl, + }); + }) + .join("\n"); +} + +/** + * Get HTML (table row) describing the result for a single file. + * @param {Object} it data for the file. + * @returns {string} HTML (table row) describing the result for the file. + */ +function resultTemplate(it) { + const { color, index, filePath, summary } = it; + + return ` + + + [+] ${encodeHTML(filePath)} + ${encodeHTML(summary)} + + +`.trimStart(); +} + +/** + * Render the results. + * @param {Array} results Test results. + * @param {Object} rulesMeta Dictionary containing metadata for each rule executed by the analysis. + * @returns {string} HTML string describing the results. + */ +function renderResults(results, rulesMeta) { + return results + .map( + (result, index) => + resultTemplate({ + index, + color: renderColor(result.errorCount, result.warningCount), + filePath: result.filePath, + summary: renderSummary( + result.errorCount, + result.warningCount, + ), + }) + renderMessages(result.messages, index, rulesMeta), + ) + .join("\n"); +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = function (results, data) { + let totalErrors, totalWarnings; + + const metaData = data ? data.rulesMeta : {}; + + totalErrors = 0; + totalWarnings = 0; + + // Iterate over results to get totals + results.forEach(result => { + totalErrors += result.errorCount; + totalWarnings += result.warningCount; + }); + + return pageTemplate({ + date: new Date(), + reportColor: renderColor(totalErrors, totalWarnings), + reportSummary: renderSummary(totalErrors, totalWarnings), + results: renderResults(results, metaData), + }); +}; diff --git a/module/node_modules/eslint/lib/cli-engine/formatters/json-with-metadata.js b/module/node_modules/eslint/lib/cli-engine/formatters/json-with-metadata.js new file mode 100644 index 000000000..44c785c74 --- /dev/null +++ b/module/node_modules/eslint/lib/cli-engine/formatters/json-with-metadata.js @@ -0,0 +1,16 @@ +/** + * @fileoverview JSON reporter, including rules metadata + * @author Chris Meyer + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = function (results, data) { + return JSON.stringify({ + results, + metadata: data, + }); +}; diff --git a/module/node_modules/eslint/lib/cli-engine/formatters/json.js b/module/node_modules/eslint/lib/cli-engine/formatters/json.js new file mode 100644 index 000000000..230f5c587 --- /dev/null +++ b/module/node_modules/eslint/lib/cli-engine/formatters/json.js @@ -0,0 +1,13 @@ +/** + * @fileoverview JSON reporter + * @author Burak Yigit Kaya aka BYK + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = function (results) { + return JSON.stringify(results); +}; diff --git a/module/node_modules/eslint/lib/cli-engine/formatters/stylish.js b/module/node_modules/eslint/lib/cli-engine/formatters/stylish.js new file mode 100644 index 000000000..18aa58154 --- /dev/null +++ b/module/node_modules/eslint/lib/cli-engine/formatters/stylish.js @@ -0,0 +1,122 @@ +/** + * @fileoverview Stylish reporter + * @author Sindre Sorhus + */ +"use strict"; + +const chalk = require("chalk"), + util = require("node:util"), + table = require("../../shared/text-table"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Given a word and a count, append an s if count is not one. + * @param {string} word A word in its singular form. + * @param {number} count A number controlling whether word should be pluralized. + * @returns {string} The original word with an s on the end if count is not one. + */ +function pluralize(word, count) { + return count === 1 ? word : `${word}s`; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = function (results) { + let output = "\n", + errorCount = 0, + warningCount = 0, + fixableErrorCount = 0, + fixableWarningCount = 0, + summaryColor = "yellow"; + + results.forEach(result => { + const messages = result.messages; + + if (messages.length === 0) { + return; + } + + errorCount += result.errorCount; + warningCount += result.warningCount; + fixableErrorCount += result.fixableErrorCount; + fixableWarningCount += result.fixableWarningCount; + + output += `${chalk.underline(result.filePath)}\n`; + + output += `${table( + messages.map(message => { + let messageType; + + if (message.fatal || message.severity === 2) { + messageType = chalk.red("error"); + summaryColor = "red"; + } else { + messageType = chalk.yellow("warning"); + } + + return [ + "", + String(message.line || 0), + String(message.column || 0), + messageType, + message.message.replace(/([^ ])\.$/u, "$1"), + chalk.dim(message.ruleId || ""), + ]; + }), + { + align: ["", "r", "l"], + stringLength(str) { + return util.stripVTControlCharacters(str).length; + }, + }, + ) + .split("\n") + .map(el => + el.replace(/(\d+)\s+(\d+)/u, (m, p1, p2) => + chalk.dim(`${p1}:${p2}`), + ), + ) + .join("\n")}\n\n`; + }); + + const total = errorCount + warningCount; + + if (total > 0) { + output += chalk[summaryColor].bold( + [ + "\u2716 ", + total, + pluralize(" problem", total), + " (", + errorCount, + pluralize(" error", errorCount), + ", ", + warningCount, + pluralize(" warning", warningCount), + ")\n", + ].join(""), + ); + + if (fixableErrorCount > 0 || fixableWarningCount > 0) { + output += chalk[summaryColor].bold( + [ + " ", + fixableErrorCount, + pluralize(" error", fixableErrorCount), + " and ", + fixableWarningCount, + pluralize(" warning", fixableWarningCount), + " potentially fixable with the `--fix` option.\n", + ].join(""), + ); + } + } + + // Resets output color, for prevent change on top level + return total > 0 ? chalk.reset(output) : ""; +}; diff --git a/module/node_modules/eslint/lib/cli-engine/hash.js b/module/node_modules/eslint/lib/cli-engine/hash.js new file mode 100644 index 000000000..4c306b9b4 --- /dev/null +++ b/module/node_modules/eslint/lib/cli-engine/hash.js @@ -0,0 +1,35 @@ +/** + * @fileoverview Defining the hashing function in one place. + * @author Michael Ficarra + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const murmur = require("imurmurhash"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ + +/** + * hash the given string + * @param {string} str the string to hash + * @returns {string} the hash + */ +function hash(str) { + return murmur(str).result().toString(36); +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = hash; diff --git a/module/node_modules/eslint/lib/cli-engine/index.js b/module/node_modules/eslint/lib/cli-engine/index.js new file mode 100644 index 000000000..bba3fb0b8 --- /dev/null +++ b/module/node_modules/eslint/lib/cli-engine/index.js @@ -0,0 +1,7 @@ +"use strict"; + +const { CLIEngine } = require("./cli-engine"); + +module.exports = { + CLIEngine, +}; diff --git a/module/node_modules/eslint/lib/cli-engine/lint-result-cache.js b/module/node_modules/eslint/lib/cli-engine/lint-result-cache.js new file mode 100644 index 000000000..48f42e19b --- /dev/null +++ b/module/node_modules/eslint/lib/cli-engine/lint-result-cache.js @@ -0,0 +1,220 @@ +/** + * @fileoverview Utility for caching lint results. + * @author Kevin Partington + */ +"use strict"; + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +const fs = require("node:fs"); +const fileEntryCache = require("file-entry-cache"); +const stringify = require("json-stable-stringify-without-jsonify"); +const pkg = require("../../package.json"); +const assert = require("../shared/assert"); +const hash = require("./hash"); + +const debug = require("debug")("eslint:lint-result-cache"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** @typedef {import("../types").Linter.Config} Config */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const configHashCache = new WeakMap(); +const nodeVersion = process && process.version; + +const validCacheStrategies = ["metadata", "content"]; +const invalidCacheStrategyErrorMessage = `Cache strategy must be one of: ${validCacheStrategies + .map(strategy => `"${strategy}"`) + .join(", ")}`; + +/** + * Tests whether a provided cacheStrategy is valid + * @param {string} cacheStrategy The cache strategy to use + * @returns {boolean} true if `cacheStrategy` is one of `validCacheStrategies`; false otherwise + */ +function isValidCacheStrategy(cacheStrategy) { + return validCacheStrategies.includes(cacheStrategy); +} + +/** + * Calculates the hash of the config + * @param {Config} config The config. + * @returns {string} The hash of the config + */ +function hashOfConfigFor(config) { + if (!configHashCache.has(config)) { + configHashCache.set( + config, + hash(`${pkg.version}_${nodeVersion}_${stringify(config)}`), + ); + } + + return configHashCache.get(config); +} + +//----------------------------------------------------------------------------- +// Public Interface +//----------------------------------------------------------------------------- + +/** + * Lint result cache. This wraps around the file-entry-cache module, + * transparently removing properties that are difficult or expensive to + * serialize and adding them back in on retrieval. + */ +class LintResultCache { + /** + * Creates a new LintResultCache instance. + * @param {string} cacheFileLocation The cache file location. + * @param {"metadata" | "content"} cacheStrategy The cache strategy to use. + */ + constructor(cacheFileLocation, cacheStrategy) { + assert(cacheFileLocation, "Cache file location is required"); + assert(cacheStrategy, "Cache strategy is required"); + assert( + isValidCacheStrategy(cacheStrategy), + invalidCacheStrategyErrorMessage, + ); + + debug(`Caching results to ${cacheFileLocation}`); + + const useChecksum = cacheStrategy === "content"; + + debug(`Using "${cacheStrategy}" strategy to detect changes`); + + this.fileEntryCache = fileEntryCache.create( + cacheFileLocation, + void 0, + useChecksum, + ); + this.cacheFileLocation = cacheFileLocation; + } + + /** + * Retrieve cached lint results for a given file path, if present in the + * cache. If the file is present and has not been changed, rebuild any + * missing result information. + * @param {string} filePath The file for which to retrieve lint results. + * @param {Config} config The config of the file. + * @returns {Object|null} The rebuilt lint results, or null if the file is + * changed or not in the filesystem. + */ + getCachedLintResults(filePath, config) { + const cachedResults = this.getValidCachedLintResults(filePath, config); + + if (!cachedResults) { + return cachedResults; + } + + /* + * Shallow clone the object to ensure that any properties added or modified afterwards + * will not be accidentally stored in the cache file when `reconcile()` is called. + * https://github.com/eslint/eslint/issues/13507 + * All intentional changes to the cache file must be done through `setCachedLintResults()`. + */ + const results = { ...cachedResults }; + + // If source is present but null, need to reread the file from the filesystem. + if (results.source === null) { + debug( + `Rereading cached result source from filesystem: ${filePath}`, + ); + results.source = fs.readFileSync(filePath, "utf-8"); + } + + return results; + } + + /** + * Retrieve cached lint results for a given file path, if present in the + * cache and still valid. + * @param {string} filePath The file for which to retrieve lint results. + * @param {Config} config The config of the file. + * @returns {Object|null} The cached lint results if present in the cache + * and still valid; null otherwise. + */ + getValidCachedLintResults(filePath, config) { + /* + * Cached lint results are valid if and only if: + * 1. The file is present in the filesystem + * 2. The file has not changed since the time it was previously linted + * 3. The ESLint configuration has not changed since the time the file + * was previously linted + * If any of these are not true, we will not reuse the lint results. + */ + const fileDescriptor = this.fileEntryCache.getFileDescriptor(filePath); + + if (fileDescriptor.notFound) { + debug(`File not found on the file system: ${filePath}`); + return null; + } + + const hashOfConfig = hashOfConfigFor(config); + const changed = + fileDescriptor.changed || + fileDescriptor.meta.hashOfConfig !== hashOfConfig; + + if (changed) { + debug(`Cache entry not found or no longer valid: ${filePath}`); + return null; + } + + return fileDescriptor.meta.results; + } + + /** + * Set the cached lint results for a given file path, after removing any + * information that will be both unnecessary and difficult to serialize. + * Avoids caching results with an "output" property (meaning fixes were + * applied), to prevent potentially incorrect results if fixes are not + * written to disk. + * @param {string} filePath The file for which to set lint results. + * @param {Config} config The config of the file. + * @param {Object} result The lint result to be set for the file. + * @returns {void} + */ + setCachedLintResults(filePath, config, result) { + if (result && Object.hasOwn(result, "output")) { + return; + } + + const fileDescriptor = this.fileEntryCache.getFileDescriptor(filePath); + + if (fileDescriptor && !fileDescriptor.notFound) { + debug(`Updating cached result: ${filePath}`); + + // Serialize the result, except that we want to remove the file source if present. + const resultToSerialize = Object.assign({}, result); + + /* + * Set result.source to null. + * In `getCachedLintResults`, if source is explicitly null, we will + * read the file from the filesystem to set the value again. + */ + if (Object.hasOwn(resultToSerialize, "source")) { + resultToSerialize.source = null; + } + + fileDescriptor.meta.results = resultToSerialize; + fileDescriptor.meta.hashOfConfig = hashOfConfigFor(config); + } + } + + /** + * Persists the in-memory cache to disk. + * @returns {void} + */ + reconcile() { + debug(`Persisting cached results: ${this.cacheFileLocation}`); + this.fileEntryCache.reconcile(); + } +} + +module.exports = LintResultCache; diff --git a/module/node_modules/eslint/lib/cli-engine/load-rules.js b/module/node_modules/eslint/lib/cli-engine/load-rules.js new file mode 100644 index 000000000..5a7dc3498 --- /dev/null +++ b/module/node_modules/eslint/lib/cli-engine/load-rules.js @@ -0,0 +1,46 @@ +/** + * @fileoverview Module for loading rules from files and directories. + * @author Michael Ficarra + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const fs = require("node:fs"), + path = require("node:path"); + +const rulesDirCache = {}; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Load all rule modules from specified directory. + * @param {string} relativeRulesDir Path to rules directory, may be relative. + * @param {string} cwd Current working directory + * @returns {Object} Loaded rule modules. + */ +module.exports = function (relativeRulesDir, cwd) { + const rulesDir = path.resolve(cwd, relativeRulesDir); + + // cache will help performance as IO operation are expensive + if (rulesDirCache[rulesDir]) { + return rulesDirCache[rulesDir]; + } + + const rules = Object.create(null); + + fs.readdirSync(rulesDir).forEach(file => { + if (path.extname(file) !== ".js") { + return; + } + rules[file.slice(0, -3)] = require(path.join(rulesDir, file)); + }); + rulesDirCache[rulesDir] = rules; + + return rules; +}; diff --git a/module/node_modules/eslint/lib/cli.js b/module/node_modules/eslint/lib/cli.js new file mode 100644 index 000000000..4e81721a9 --- /dev/null +++ b/module/node_modules/eslint/lib/cli.js @@ -0,0 +1,553 @@ +/** + * @fileoverview Main CLI object. + * @author Nicholas C. Zakas + */ + +"use strict"; + +/* + * NOTE: The CLI object should *not* call process.exit() directly. It should only return + * exit codes. This allows other programs to use the CLI object and still control + * when the program exits. + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const fs = require("node:fs"), + { mkdir, stat, writeFile } = require("node:fs/promises"), + path = require("node:path"), + { pathToFileURL } = require("node:url"), + { LegacyESLint } = require("./eslint"), + { + ESLint, + shouldUseFlatConfig, + locateConfigFileToUse, + } = require("./eslint/eslint"), + createCLIOptions = require("./options"), + log = require("./shared/logging"), + RuntimeInfo = require("./shared/runtime-info"), + translateOptions = require("./shared/translate-cli-options"); +const { getCacheFile } = require("./eslint/eslint-helpers"); +const { SuppressionsService } = require("./services/suppressions-service"); +const debug = require("debug")("eslint:cli"); + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @typedef {import("./options").ParsedCLIOptions} ParsedCLIOptions */ +/** @typedef {import("./types").ESLint.LintResult} LintResult */ +/** @typedef {import("./types").ESLint.ResultsMeta} ResultsMeta */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Count error messages. + * @param {LintResult[]} results The lint results. + * @returns {{errorCount:number;fatalErrorCount:number,warningCount:number}} The number of error messages. + */ +function countErrors(results) { + let errorCount = 0; + let fatalErrorCount = 0; + let warningCount = 0; + + for (const result of results) { + errorCount += result.errorCount; + fatalErrorCount += result.fatalErrorCount; + warningCount += result.warningCount; + } + + return { errorCount, fatalErrorCount, warningCount }; +} + +/** + * Creates an options module from the provided CLI options and encodes it as a data URL. + * @param {ParsedCLIOptions} options The CLI options. + * @returns {URL} The URL of the options module. + */ +function createOptionsModule(options) { + const translateOptionsFileURL = new URL( + "./shared/translate-cli-options.js", + pathToFileURL(__filename), + ).href; + const optionsSrc = + `import translateOptions from ${JSON.stringify(translateOptionsFileURL)};\n` + + `export default await translateOptions(${JSON.stringify(options)}, "flat");\n`; + + // Base64 encoding is typically shorter than URL encoding + return new URL( + `data:text/javascript;base64,${Buffer.from(optionsSrc).toString("base64")}`, + ); +} + +/** + * Check if a given file path is a directory or not. + * @param {string} filePath The path to a file to check. + * @returns {Promise} `true` if the given path is a directory. + */ +async function isDirectory(filePath) { + try { + return (await stat(filePath)).isDirectory(); + } catch (error) { + if (error.code === "ENOENT" || error.code === "ENOTDIR") { + return false; + } + throw error; + } +} + +/** + * Outputs the results of the linting. + * @param {ESLint} engine The ESLint instance to use. + * @param {LintResult[]} results The results to print. + * @param {string} format The name of the formatter to use or the path to the formatter. + * @param {string} outputFile The path for the output file. + * @param {ResultsMeta} resultsMeta Warning count and max threshold. + * @returns {Promise} True if the printing succeeds, false if not. + * @private + */ +async function printResults(engine, results, format, outputFile, resultsMeta) { + let formatter; + + try { + formatter = await engine.loadFormatter(format); + } catch (e) { + log.error(e.message); + return false; + } + + const output = await formatter.format(results, resultsMeta); + + if (outputFile) { + const filePath = path.resolve(process.cwd(), outputFile); + + if (await isDirectory(filePath)) { + log.error( + "Cannot write to output file path, it is a directory: %s", + outputFile, + ); + return false; + } + + try { + await mkdir(path.dirname(filePath), { recursive: true }); + await writeFile(filePath, output); + } catch (ex) { + log.error("There was a problem writing the output file:\n%s", ex); + return false; + } + } else if (output) { + log.info(output); + } + + return true; +} + +/** + * Validates the `--concurrency` flag value. + * @param {string} concurrency The `--concurrency` flag value to validate. + * @returns {void} + * @throws {Error} If the `--concurrency` flag value is invalid. + */ +function validateConcurrency(concurrency) { + if ( + concurrency === void 0 || + concurrency === "auto" || + concurrency === "off" + ) { + return; + } + + const concurrencyValue = Number(concurrency); + + if (!Number.isInteger(concurrencyValue) || concurrencyValue < 1) { + throw new Error( + `Option concurrency: '${concurrency}' is not a positive integer, 'auto' or 'off'.`, + ); + } +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Encapsulates all CLI behavior for eslint. Makes it easier to test as well as + * for other Node.js programs to effectively run the CLI. + */ +const cli = { + /** + * Calculates the command string for the --inspect-config operation. + * @param {string} configFile The path to the config file to inspect. + * @returns {Promise} The command string to execute. + */ + async calculateInspectConfigFlags(configFile) { + // find the config file + const { configFilePath, basePath } = await locateConfigFileToUse({ + cwd: process.cwd(), + configFile, + }); + + return ["--config", configFilePath, "--basePath", basePath]; + }, + + /** + * Executes the CLI based on an array of arguments that is passed in. + * @param {string|Array|Object} args The arguments to process. + * @param {string} [text] The text to lint (used for TTY). + * @param {boolean} [allowFlatConfig=true] Whether or not to allow flat config. + * @returns {Promise} The exit code for the operation. + */ + async execute(args, text, allowFlatConfig = true) { + if (Array.isArray(args)) { + debug("CLI args: %o", args.slice(2)); + } + + /* + * Before doing anything, we need to see if we are using a + * flat config file. If so, then we need to change the way command + * line args are parsed. This is temporary, and when we fully + * switch to flat config we can remove this logic. + */ + + const usingFlatConfig = + allowFlatConfig && (await shouldUseFlatConfig()); + + debug("Using flat config?", usingFlatConfig); + + if (allowFlatConfig && !usingFlatConfig) { + const { WarningService } = require("./services/warning-service"); + new WarningService().emitESLintRCWarning(); + } + + const CLIOptions = createCLIOptions(usingFlatConfig); + + /** @type {ParsedCLIOptions} */ + let options; + + try { + options = CLIOptions.parse(args); + validateConcurrency(options.concurrency); + } catch (error) { + debug("Error parsing CLI options:", error.message); + + let errorMessage = error.message; + + if (usingFlatConfig) { + errorMessage += + "\nYou're using eslint.config.js, some command line flags are no longer available. Please see https://eslint.org/docs/latest/use/command-line-interface for details."; + } + + log.error(errorMessage); + return 2; + } + + const files = options._; + const useStdin = typeof text === "string"; + + if (options.help) { + log.info(CLIOptions.generateHelp()); + return 0; + } + if (options.version) { + log.info(RuntimeInfo.version()); + return 0; + } + if (options.envInfo) { + try { + log.info(RuntimeInfo.environment()); + return 0; + } catch (err) { + debug("Error retrieving environment info"); + log.error(err.message); + return 2; + } + } + + if (options.printConfig) { + if (files.length) { + log.error( + "The --print-config option must be used with exactly one file name.", + ); + return 2; + } + if (useStdin) { + log.error( + "The --print-config option is not available for piped-in code.", + ); + return 2; + } + + const engine = usingFlatConfig + ? new ESLint(await translateOptions(options, "flat")) + : new LegacyESLint(await translateOptions(options)); + const fileConfig = await engine.calculateConfigForFile( + options.printConfig, + ); + + log.info(JSON.stringify(fileConfig, null, " ")); + return 0; + } + + if (options.inspectConfig) { + log.info( + "You can also run this command directly using 'npx @eslint/config-inspector@latest' in the same directory as your configuration file.", + ); + + try { + const flatOptions = await translateOptions(options, "flat"); + const spawn = require("cross-spawn"); + const flags = await cli.calculateInspectConfigFlags( + flatOptions.overrideConfigFile, + ); + + spawn.sync( + "npx", + ["@eslint/config-inspector@latest", ...flags], + { encoding: "utf8", stdio: "inherit" }, + ); + } catch (error) { + log.error(error); + return 2; + } + + return 0; + } + + debug(`Running on ${useStdin ? "text" : "files"}`); + + if (options.fix && options.fixDryRun) { + log.error( + "The --fix option and the --fix-dry-run option cannot be used together.", + ); + return 2; + } + if (useStdin && options.fix) { + log.error( + "The --fix option is not available for piped-in code; use --fix-dry-run instead.", + ); + return 2; + } + if (options.fixType && !options.fix && !options.fixDryRun) { + log.error( + "The --fix-type option requires either --fix or --fix-dry-run.", + ); + return 2; + } + + if ( + options.reportUnusedDisableDirectives && + options.reportUnusedDisableDirectivesSeverity !== void 0 + ) { + log.error( + "The --report-unused-disable-directives option and the --report-unused-disable-directives-severity option cannot be used together.", + ); + return 2; + } + + if (usingFlatConfig && options.ext) { + // Passing `--ext ""` results in `options.ext` being an empty array. + if (options.ext.length === 0) { + log.error("The --ext option value cannot be empty."); + return 2; + } + + // Passing `--ext ,ts` results in an empty string at index 0. Passing `--ext ts,,tsx` results in an empty string at index 1. + const emptyStringIndex = options.ext.indexOf(""); + + if (emptyStringIndex >= 0) { + log.error( + `The --ext option arguments cannot be empty strings. Found an empty string at index ${emptyStringIndex}.`, + ); + return 2; + } + } + + if (options.suppressAll && options.suppressRule) { + log.error( + "The --suppress-all option and the --suppress-rule option cannot be used together.", + ); + return 2; + } + + if (options.suppressAll && options.pruneSuppressions) { + log.error( + "The --suppress-all option and the --prune-suppressions option cannot be used together.", + ); + return 2; + } + + if (options.suppressRule && options.pruneSuppressions) { + log.error( + "The --suppress-rule option and the --prune-suppressions option cannot be used together.", + ); + return 2; + } + + if ( + useStdin && + (options.suppressAll || + options.suppressRule || + options.pruneSuppressions) + ) { + log.error( + "The --suppress-all, --suppress-rule, and --prune-suppressions options cannot be used with piped-in code.", + ); + return 2; + } + + const ActiveESLint = usingFlatConfig ? ESLint : LegacyESLint; + + /** @type {ESLint|LegacyESLint} */ + let engine; + + if (options.concurrency && options.concurrency !== "off") { + const optionsURL = createOptionsModule(options); + engine = await ESLint.fromOptionsModule(optionsURL); + } else { + const eslintOptions = await translateOptions( + options, + usingFlatConfig ? "flat" : "eslintrc", + ); + engine = new ActiveESLint(eslintOptions); + } + let results; + + if (useStdin) { + results = await engine.lintText(text, { + filePath: options.stdinFilename, + + // flatConfig respects CLI flag and constructor warnIgnored, eslintrc forces true for backwards compatibility + warnIgnored: usingFlatConfig ? void 0 : true, + }); + } else { + results = await engine.lintFiles(files); + } + + if (options.fix) { + debug("Fix mode enabled - applying fixes"); + await ActiveESLint.outputFixes(results); + } + + let unusedSuppressions = {}; + + if (!useStdin) { + const suppressionsFileLocation = getCacheFile( + options.suppressionsLocation || "eslint-suppressions.json", + process.cwd(), + { + prefix: "suppressions_", + }, + ); + + if ( + options.suppressionsLocation && + !fs.existsSync(suppressionsFileLocation) && + !options.suppressAll && + !options.suppressRule + ) { + log.error( + "The suppressions file does not exist. Please run the command with `--suppress-all` or `--suppress-rule` to create it.", + ); + return 2; + } + + if ( + options.suppressAll || + options.suppressRule || + options.pruneSuppressions || + fs.existsSync(suppressionsFileLocation) + ) { + const suppressions = new SuppressionsService({ + filePath: suppressionsFileLocation, + cwd: process.cwd(), + }); + + if (options.suppressAll || options.suppressRule) { + await suppressions.suppress(results, options.suppressRule); + } + + if (options.pruneSuppressions) { + await suppressions.prune(results); + } + + const suppressionResults = suppressions.applySuppressions( + results, + await suppressions.load(), + ); + + results = suppressionResults.results; + unusedSuppressions = suppressionResults.unused; + } + } + + let resultsToPrint = results; + + if (options.quiet) { + debug("Quiet mode enabled - filtering out warnings"); + resultsToPrint = ActiveESLint.getErrorResults(resultsToPrint); + } + + const resultCounts = countErrors(results); + const tooManyWarnings = + options.maxWarnings >= 0 && + resultCounts.warningCount > options.maxWarnings; + const resultsMeta = tooManyWarnings + ? { + maxWarningsExceeded: { + maxWarnings: options.maxWarnings, + foundWarnings: resultCounts.warningCount, + }, + } + : {}; + + if ( + await printResults( + engine, + resultsToPrint, + options.format, + options.outputFile, + resultsMeta, + ) + ) { + // Errors and warnings from the original unfiltered results should determine the exit code + const shouldExitForFatalErrors = + options.exitOnFatalError && resultCounts.fatalErrorCount > 0; + + if (!resultCounts.errorCount && tooManyWarnings) { + log.error( + "ESLint found too many warnings (maximum: %s).", + options.maxWarnings, + ); + } + + if (!options.passOnUnprunedSuppressions) { + const unusedSuppressionsCount = + Object.keys(unusedSuppressions).length; + + if (unusedSuppressionsCount > 0) { + log.error( + "There are suppressions left that do not occur anymore. Consider re-running the command with `--prune-suppressions`.", + ); + debug(JSON.stringify(unusedSuppressions, null, 2)); + + return 2; + } + } + + if (shouldExitForFatalErrors) { + return 2; + } + + return resultCounts.errorCount || tooManyWarnings ? 1 : 0; + } + + return 2; + }, +}; + +module.exports = cli; diff --git a/module/node_modules/eslint/lib/config-api.js b/module/node_modules/eslint/lib/config-api.js new file mode 100644 index 000000000..5050a631c --- /dev/null +++ b/module/node_modules/eslint/lib/config-api.js @@ -0,0 +1,12 @@ +/** + * @fileoverview exports for config helpers + * @author Nicholas C. Zakas + */ + +"use strict"; +const { defineConfig, globalIgnores } = require("@eslint/config-helpers"); + +module.exports = { + defineConfig, + globalIgnores, +}; diff --git a/module/node_modules/eslint/lib/config/config-loader.js b/module/node_modules/eslint/lib/config/config-loader.js new file mode 100644 index 000000000..80dfaeb43 --- /dev/null +++ b/module/node_modules/eslint/lib/config/config-loader.js @@ -0,0 +1,816 @@ +/** + * @fileoverview Utility to load config files + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const path = require("node:path"); +const fs = require("node:fs/promises"); +const findUp = require("find-up"); +const { pathToFileURL } = require("node:url"); +const debug = require("debug")("eslint:config-loader"); +const { FlatConfigArray } = require("./flat-config-array"); +const { WarningService } = require("../services/warning-service"); + +//----------------------------------------------------------------------------- +// Types +//----------------------------------------------------------------------------- + +/** @typedef {import("../types").Linter.Config} Config */ + +/** + * @typedef {Object} ConfigLoaderOptions + * @property {string|false|undefined} configFile The path to the config file to use. + * @property {string} cwd The current working directory. + * @property {boolean} ignoreEnabled Indicates if ignore patterns should be honored. + * @property {Config|Array} [baseConfig] The base config to use. + * @property {Array} [defaultConfigs] The default configs to use. + * @property {Array} [ignorePatterns] The ignore patterns to use. + * @property {Config|Array} [overrideConfig] The override config to use. + * @property {boolean} [hasUnstableNativeNodeJsTSConfigFlag] The flag to indicate whether the `unstable_native_nodejs_ts_config` flag is enabled. + * @property {WarningService} [warningService] The warning service to use. + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const FLAT_CONFIG_FILENAMES = [ + "eslint.config.js", + "eslint.config.mjs", + "eslint.config.cjs", + "eslint.config.ts", + "eslint.config.mts", + "eslint.config.cts", +]; + +const importedConfigFileModificationTime = new Map(); + +/** + * Asserts that the given file path is valid. + * @param {string} filePath The file path to check. + * @returns {void} + * @throws {Error} If `filePath` is not a non-empty string. + */ +function assertValidFilePath(filePath) { + if (!filePath || typeof filePath !== "string") { + throw new Error("'filePath' must be a non-empty string"); + } +} + +/** + * Asserts that a configuration exists. A configuration exists if any + * of the following are true: + * - `configFilePath` is defined. + * - `useConfigFile` is `false`. + * @param {string|undefined} configFilePath The path to the config file. + * @param {ConfigLoaderOptions} loaderOptions The options to use when loading configuration files. + * @returns {void} + * @throws {Error} If no configuration exists. + */ +function assertConfigurationExists(configFilePath, loaderOptions) { + const { configFile: useConfigFile } = loaderOptions; + + if (!configFilePath && useConfigFile !== false) { + const error = new Error("Could not find config file."); + + error.messageTemplate = "config-file-missing"; + throw error; + } +} + +/** + * Check if the file is a TypeScript file. + * @param {string} filePath The file path to check. + * @returns {boolean} `true` if the file is a TypeScript file, `false` if it's not. + */ +function isFileTS(filePath) { + const fileExtension = path.extname(filePath); + + return /^\.[mc]?ts$/u.test(fileExtension); +} + +/** + * Check if ESLint is running in Bun. + * @returns {boolean} `true` if the ESLint is running Bun, `false` if it's not. + */ +function isRunningInBun() { + return !!globalThis.Bun; +} + +/** + * Check if ESLint is running in Deno. + * @returns {boolean} `true` if the ESLint is running in Deno, `false` if it's not. + */ +function isRunningInDeno() { + return !!globalThis.Deno; +} + +/** + * Checks if native TypeScript support is + * enabled in the current Node.js process. + * + * This function determines if the + * {@linkcode NodeJS.ProcessFeatures.typescript | typescript} + * feature is present in the + * {@linkcode process.features} object + * and if its value is either "strip" or "transform". + * @returns {boolean} `true` if native TypeScript support is enabled, otherwise `false`. + * @since 9.24.0 + */ +function isNativeTypeScriptSupportEnabled() { + return ( + // eslint-disable-next-line n/no-unsupported-features/node-builtins -- it's still an experimental feature. + ["strip", "transform"].includes(process.features.typescript) + ); +} + +/** + * Load the TypeScript configuration file. + * @param {string} filePath The absolute file path to load. + * @param {URL} fileURL The file URL to load. + * @param {number} mtime The last modified timestamp of the file. + * @returns {Promise} The configuration loaded from the file. + * @since 9.24.0 + */ +async function loadTypeScriptConfigFileWithJiti(filePath, fileURL, mtime) { + const { createJiti, version: jitiVersion } = + // eslint-disable-next-line no-use-before-define -- `ConfigLoader.loadJiti` can be overwritten for testing + await ConfigLoader.loadJiti().catch(() => { + throw new Error( + "The 'jiti' library is required for loading TypeScript configuration files. Make sure to install it.", + ); + }); + + // `createJiti` was added in jiti v2. + if (typeof createJiti !== "function") { + throw new Error( + "You are using an outdated version of the 'jiti' library. Please update to the latest version of 'jiti' to ensure compatibility and access to the latest features.", + ); + } + + /* + * Disabling `moduleCache` allows us to reload a + * config file when the last modified timestamp changes. + */ + const jitiOptions = { + moduleCache: false, + }; + + if (jitiVersion.startsWith("2.1.")) { + jitiOptions.interopDefault = false; + } + + const jiti = createJiti(__filename, jitiOptions); + const config = await jiti.import(fileURL.href); + + importedConfigFileModificationTime.set(filePath, mtime); + + return config?.default ?? config; +} + +/** + * Dynamically imports a module from the given file path. + * @param {string} filePath The absolute file path of the module to import. + * @param {URL} fileURL The file URL to load. + * @param {number} mtime The last modified timestamp of the file. + * @returns {Promise} - A {@linkcode Promise | promise} that resolves to the imported ESLint config. + * @since 9.24.0 + */ +async function dynamicImportConfig(filePath, fileURL, mtime) { + const module = await import(fileURL.href); + + importedConfigFileModificationTime.set(filePath, mtime); + + return module.default; +} + +/** + * Load the config array from the given filename. + * @param {string} filePath The filename to load from. + * @param {boolean} hasUnstableNativeNodeJsTSConfigFlag The flag to indicate whether the `unstable_native_nodejs_ts_config` flag is enabled. + * @returns {Promise} The config loaded from the config file. + */ +async function loadConfigFile(filePath, hasUnstableNativeNodeJsTSConfigFlag) { + debug(`Loading config from ${filePath}`); + + const fileURL = pathToFileURL(filePath); + + debug(`Config file URL is ${fileURL}`); + + const mtime = (await fs.stat(filePath)).mtime.getTime(); + + /* + * Append a query with the config file's modification time (`mtime`) in order + * to import the current version of the config file. Without the query, `import()` would + * cache the config file module by the pathname only, and then always return + * the same version (the one that was actual when the module was imported for the first time). + * + * This ensures that the config file module is loaded and executed again + * if it has been changed since the last time it was imported. + * If it hasn't been changed, `import()` will just return the cached version. + * + * Note that we should not overuse queries (e.g., by appending the current time + * to always reload the config file module) as that could cause memory leaks + * because entries are never removed from the import cache. + */ + fileURL.searchParams.append("mtime", mtime); + + /* + * With queries, we can bypass the import cache. However, when import-ing a CJS module, + * Node.js uses the require infrastructure under the hood. That includes the require cache, + * which caches the config file module by its file path (queries have no effect). + * Therefore, we also need to clear the require cache before importing the config file module. + * In order to get the same behavior with ESM and CJS config files, in particular - to reload + * the config file only if it has been changed, we track file modification times and clear + * the require cache only if the file has been changed. + */ + if (importedConfigFileModificationTime.get(filePath) !== mtime) { + delete require.cache[filePath]; + } + + const isTS = isFileTS(filePath); + const isBun = isRunningInBun(); + const isDeno = isRunningInDeno(); + + /* + * If we are dealing with a TypeScript file, then we need to use `jiti` to load it + * in Node.js. Deno and Bun both allow native importing of TypeScript files. + * + * When Node.js supports native TypeScript imports, we can remove this check. + */ + + if (isTS) { + if (hasUnstableNativeNodeJsTSConfigFlag) { + if (isNativeTypeScriptSupportEnabled()) { + return await dynamicImportConfig(filePath, fileURL, mtime); + } + + if (!("typescript" in process.features)) { + throw new Error( + "The unstable_native_nodejs_ts_config flag is not supported in older versions of Node.js.", + ); + } + + throw new Error( + "The unstable_native_nodejs_ts_config flag is enabled, but native TypeScript support is not enabled in the current Node.js process. You need to either enable native TypeScript support by passing --experimental-strip-types or remove the unstable_native_nodejs_ts_config flag.", + ); + } + + if (!isDeno && !isBun) { + return await loadTypeScriptConfigFileWithJiti( + filePath, + fileURL, + mtime, + ); + } + } + + // fallback to normal runtime behavior + + return await dynamicImportConfig(filePath, fileURL, mtime); +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Encapsulates the loading and caching of configuration files when looking up + * from the file being linted. + */ +class ConfigLoader { + /** + * Map of config file paths to the config arrays for those directories. + * @type {Map>} + */ + #configArrays = new Map(); + + /** + * Map of absolute directory names to the config file paths for those directories. + * @type {Map>} + */ + #configFilePaths = new Map(); + + /** + * The options to use when loading configuration files. + * @type {ConfigLoaderOptions} + */ + #options; + + /** + * Creates a new instance. + * @param {ConfigLoaderOptions} options The options to use when loading configuration files. + */ + constructor(options) { + this.#options = options.warningService + ? options + : { ...options, warningService: new WarningService() }; + } + + /** + * Determines which config file to use. This is determined by seeing if an + * override config file was specified, and if so, using it; otherwise, as long + * as override config file is not explicitly set to `false`, it will search + * upwards from `fromDirectory` for a file named `eslint.config.js`. + * @param {string} fromDirectory The directory from which to start searching. + * @returns {Promise<{configFilePath:string|undefined,basePath:string}>} Location information for + * the config file. + */ + async #locateConfigFileToUse(fromDirectory) { + // check cache first + if (this.#configFilePaths.has(fromDirectory)) { + return this.#configFilePaths.get(fromDirectory); + } + + const resultPromise = ConfigLoader.locateConfigFileToUse({ + useConfigFile: this.#options.configFile, + cwd: this.#options.cwd, + fromDirectory, + }); + + // ensure `ConfigLoader.locateConfigFileToUse` is called only once for `fromDirectory` + this.#configFilePaths.set(fromDirectory, resultPromise); + + // Unwrap the promise. This is primarily for the sync `getCachedConfigArrayForPath` method. + const result = await resultPromise; + + this.#configFilePaths.set(fromDirectory, result); + + return result; + } + + /** + * Calculates the config array for this run based on inputs. + * @param {string} configFilePath The absolute path to the config file to use if not overridden. + * @param {string} basePath The base path to use for relative paths in the config file. + * @returns {Promise} The config array for `eslint`. + */ + async #calculateConfigArray(configFilePath, basePath) { + // check for cached version first + if (this.#configArrays.has(configFilePath)) { + return this.#configArrays.get(configFilePath); + } + + const configsPromise = ConfigLoader.calculateConfigArray( + configFilePath, + basePath, + this.#options, + ); + + // ensure `ConfigLoader.calculateConfigArray` is called only once for `configFilePath` + this.#configArrays.set(configFilePath, configsPromise); + + // Unwrap the promise. This is primarily for the sync `getCachedConfigArrayForPath` method. + const configs = await configsPromise; + + this.#configArrays.set(configFilePath, configs); + + return configs; + } + + /** + * Returns the config file path for the given directory or file. This will either use + * the override config file that was specified in the constructor options or + * search for a config file from the directory. + * @param {string} fileOrDirPath The file or directory path to get the config file path for. + * @returns {Promise} The config file path or `undefined` if not found. + * @throws {Error} If `fileOrDirPath` is not a non-empty string. + * @throws {Error} If `fileOrDirPath` is not an absolute path. + */ + async findConfigFileForPath(fileOrDirPath) { + assertValidFilePath(fileOrDirPath); + + const absoluteDirPath = path.resolve( + this.#options.cwd, + path.dirname(fileOrDirPath), + ); + const { configFilePath } = + await this.#locateConfigFileToUse(absoluteDirPath); + + return configFilePath; + } + + /** + * Returns a configuration object for the given file based on the CLI options. + * This is the same logic used by the ESLint CLI executable to determine + * configuration for each file it processes. + * @param {string} filePath The path of the file or directory to retrieve config for. + * @returns {Promise} A configuration object for the file. + * @throws {Error} If no configuration for `filePath` exists. + */ + async loadConfigArrayForFile(filePath) { + assertValidFilePath(filePath); + + debug(`Calculating config for file ${filePath}`); + + const configFilePath = await this.findConfigFileForPath(filePath); + + assertConfigurationExists(configFilePath, this.#options); + + return this.loadConfigArrayForDirectory(filePath); + } + + /** + * Returns a configuration object for the given directory based on the CLI options. + * This is the same logic used by the ESLint CLI executable to determine + * configuration for each file it processes. + * @param {string} dirPath The path of the directory to retrieve config for. + * @returns {Promise} A configuration object for the directory. + */ + async loadConfigArrayForDirectory(dirPath) { + assertValidFilePath(dirPath); + + debug(`Calculating config for directory ${dirPath}`); + + const absoluteDirPath = path.resolve( + this.#options.cwd, + path.dirname(dirPath), + ); + const { configFilePath, basePath } = + await this.#locateConfigFileToUse(absoluteDirPath); + + debug(`Using config file ${configFilePath} and base path ${basePath}`); + return this.#calculateConfigArray(configFilePath, basePath); + } + + /** + * Returns a configuration array for the given file based on the CLI options. + * This is a synchronous operation and does not read any files from disk. It's + * intended to be used in locations where we know the config file has already + * been loaded and we just need to get the configuration for a file. + * @param {string} filePath The path of the file to retrieve a config object for. + * @returns {FlatConfigArray} A configuration object for the file. + * @throws {Error} If `filePath` is not a non-empty string. + * @throws {Error} If `filePath` is not an absolute path. + * @throws {Error} If the config file was not already loaded. + */ + getCachedConfigArrayForFile(filePath) { + assertValidFilePath(filePath); + + debug(`Looking up cached config for ${filePath}`); + + return this.getCachedConfigArrayForPath(path.dirname(filePath)); + } + + /** + * Returns a configuration array for the given directory based on the CLI options. + * This is a synchronous operation and does not read any files from disk. It's + * intended to be used in locations where we know the config file has already + * been loaded and we just need to get the configuration for a file. + * @param {string} fileOrDirPath The path of the directory to retrieve a config object for. + * @returns {FlatConfigArray} A configuration object for the directory. + * @throws {Error} If `dirPath` is not a non-empty string. + * @throws {Error} If `dirPath` is not an absolute path. + * @throws {Error} If the config file was not already loaded. + */ + getCachedConfigArrayForPath(fileOrDirPath) { + assertValidFilePath(fileOrDirPath); + + debug(`Looking up cached config for ${fileOrDirPath}`); + + const absoluteDirPath = path.resolve(this.#options.cwd, fileOrDirPath); + + if (!this.#configFilePaths.has(absoluteDirPath)) { + throw new Error(`Could not find config file for ${fileOrDirPath}`); + } + + const configFilePathInfo = this.#configFilePaths.get(absoluteDirPath); + + if (typeof configFilePathInfo.then === "function") { + throw new Error( + `Config file path for ${fileOrDirPath} has not yet been calculated or an error occurred during the calculation`, + ); + } + + const { configFilePath } = configFilePathInfo; + + const configArray = this.#configArrays.get(configFilePath); + + if (!configArray || typeof configArray.then === "function") { + throw new Error( + `Config array for ${fileOrDirPath} has not yet been calculated or an error occurred during the calculation`, + ); + } + + return configArray; + } + + /** + * Used to import the jiti dependency. This method is exposed internally for testing purposes. + * @returns {Promise<{createJiti: Function|undefined, version: string;}>} A promise that fulfills with an object containing the jiti module's createJiti function and version. + */ + static async loadJiti() { + const { createJiti } = await import("jiti"); + const version = require("jiti/package.json").version; + return { createJiti, version }; + } + + /** + * Determines which config file to use. This is determined by seeing if an + * override config file was specified, and if so, using it; otherwise, as long + * as override config file is not explicitly set to `false`, it will search + * upwards from `fromDirectory` for a file named `eslint.config.js`. + * This method is exposed internally for testing purposes. + * @param {Object} [options] the options object + * @param {string|false|undefined} options.useConfigFile The path to the config file to use. + * @param {string} options.cwd Path to a directory that should be considered as the current working directory. + * @param {string} [options.fromDirectory] The directory from which to start searching. Defaults to `cwd`. + * @returns {Promise<{configFilePath:string|undefined,basePath:string}>} Location information for + * the config file. + */ + static async locateConfigFileToUse({ + useConfigFile, + cwd, + fromDirectory = cwd, + }) { + // determine where to load config file from + let configFilePath; + let basePath = cwd; + + if (typeof useConfigFile === "string") { + debug(`Override config file path is ${useConfigFile}`); + configFilePath = path.resolve(cwd, useConfigFile); + basePath = cwd; + } else if (useConfigFile !== false) { + debug("Searching for eslint.config.js"); + configFilePath = await findUp(FLAT_CONFIG_FILENAMES, { + cwd: fromDirectory, + }); + + if (configFilePath) { + basePath = path.dirname(configFilePath); + } + } + + return { + configFilePath, + basePath, + }; + } + + /** + * Calculates the config array for this run based on inputs. + * This method is exposed internally for testing purposes. + * @param {string} configFilePath The absolute path to the config file to use if not overridden. + * @param {string} basePath The base path to use for relative paths in the config file. + * @param {ConfigLoaderOptions} options The options to use when loading configuration files. + * @returns {Promise} The config array for `eslint`. + */ + static async calculateConfigArray(configFilePath, basePath, options) { + const { + cwd, + baseConfig, + ignoreEnabled, + ignorePatterns, + overrideConfig, + hasUnstableNativeNodeJsTSConfigFlag = false, + defaultConfigs = [], + warningService, + } = options; + + debug( + `Calculating config array from config file ${configFilePath} and base path ${basePath}`, + ); + + const configs = new FlatConfigArray(baseConfig || [], { + basePath, + shouldIgnore: ignoreEnabled, + }); + + // load config file + if (configFilePath) { + debug(`Loading config file ${configFilePath}`); + const fileConfig = await loadConfigFile( + configFilePath, + hasUnstableNativeNodeJsTSConfigFlag, + ); + + /* + * It's possible that a config file could be empty or else + * have an empty object or array. In this case, we want to + * warn the user that they have an empty config. + * + * An empty CommonJS file exports an empty object while + * an empty ESM file exports undefined. + */ + + let emptyConfig = typeof fileConfig === "undefined"; + + debug( + `Config file ${configFilePath} is ${emptyConfig ? "empty" : "not empty"}`, + ); + + if (!emptyConfig) { + if (Array.isArray(fileConfig)) { + if (fileConfig.length === 0) { + debug( + `Config file ${configFilePath} is an empty array`, + ); + emptyConfig = true; + } else { + configs.push(...fileConfig); + } + } else { + if ( + typeof fileConfig === "object" && + fileConfig !== null && + Object.keys(fileConfig).length === 0 + ) { + debug( + `Config file ${configFilePath} is an empty object`, + ); + emptyConfig = true; + } else { + configs.push(fileConfig); + } + } + } + + if (emptyConfig) { + warningService.emitEmptyConfigWarning(configFilePath); + } + } + + // add in any configured defaults + configs.push(...defaultConfigs); + + // append command line ignore patterns + if (ignorePatterns && ignorePatterns.length > 0) { + /* + * Ignore patterns are added to the end of the config array + * so they can override default ignores. + */ + configs.push({ + basePath: cwd, + ignores: ignorePatterns, + }); + } + + if (overrideConfig) { + if (Array.isArray(overrideConfig)) { + configs.push(...overrideConfig); + } else { + configs.push(overrideConfig); + } + } + + await configs.normalize(); + + return configs; + } +} + +/** + * Encapsulates the loading and caching of configuration files when looking up + * from the current working directory. + */ +class LegacyConfigLoader extends ConfigLoader { + /** + * The options to use when loading configuration files. + * @type {ConfigLoaderOptions} + */ + #options; + + /** + * The cached config file path for this instance. + * @type {Promise<{configFilePath:string,basePath:string}|undefined>} + */ + #configFilePath; + + /** + * The cached config array for this instance. + * @type {FlatConfigArray|Promise} + */ + #configArray; + + /** + * Creates a new instance. + * @param {ConfigLoaderOptions} options The options to use when loading configuration files. + */ + constructor(options) { + const normalizedOptions = options.warningService + ? options + : { ...options, warningService: new WarningService() }; + super(normalizedOptions); + this.#options = normalizedOptions; + } + + /** + * Determines which config file to use. This is determined by seeing if an + * override config file was specified, and if so, using it; otherwise, as long + * as override config file is not explicitly set to `false`, it will search + * upwards from the cwd for a file named `eslint.config.js`. + * @returns {Promise<{configFilePath:string|undefined,basePath:string}>} Location information for + * the config file. + */ + #locateConfigFileToUse() { + if (!this.#configFilePath) { + this.#configFilePath = ConfigLoader.locateConfigFileToUse({ + useConfigFile: this.#options.configFile, + cwd: this.#options.cwd, + }); + } + + return this.#configFilePath; + } + + /** + * Calculates the config array for this run based on inputs. + * @param {string} configFilePath The absolute path to the config file to use if not overridden. + * @param {string} basePath The base path to use for relative paths in the config file. + * @returns {Promise} The config array for `eslint`. + */ + async #calculateConfigArray(configFilePath, basePath) { + // check for cached version first + if (this.#configArray) { + return this.#configArray; + } + + // ensure `ConfigLoader.calculateConfigArray` is called only once + this.#configArray = ConfigLoader.calculateConfigArray( + configFilePath, + basePath, + this.#options, + ); + + // Unwrap the promise. This is primarily for the sync `getCachedConfigArrayForPath` method. + this.#configArray = await this.#configArray; + + return this.#configArray; + } + + /** + * Returns the config file path for the given directory. This will either use + * the override config file that was specified in the constructor options or + * search for a config file from the directory of the file being linted. + * @param {string} dirPath The directory path to get the config file path for. + * @returns {Promise} The config file path or `undefined` if not found. + * @throws {Error} If `fileOrDirPath` is not a non-empty string. + * @throws {Error} If `fileOrDirPath` is not an absolute path. + */ + async findConfigFileForPath(dirPath) { + assertValidFilePath(dirPath); + + const { configFilePath } = await this.#locateConfigFileToUse(); + + return configFilePath; + } + + /** + * Returns a configuration object for the given file based on the CLI options. + * This is the same logic used by the ESLint CLI executable to determine + * configuration for each file it processes. + * @param {string} dirPath The path of the directory to retrieve config for. + * @returns {Promise} A configuration object for the file. + */ + async loadConfigArrayForDirectory(dirPath) { + assertValidFilePath(dirPath); + + debug(`[Legacy]: Calculating config for ${dirPath}`); + + const { configFilePath, basePath } = + await this.#locateConfigFileToUse(); + + debug( + `[Legacy]: Using config file ${configFilePath} and base path ${basePath}`, + ); + return this.#calculateConfigArray(configFilePath, basePath); + } + + /** + * Returns a configuration array for the given directory based on the CLI options. + * This is a synchronous operation and does not read any files from disk. It's + * intended to be used in locations where we know the config file has already + * been loaded and we just need to get the configuration for a file. + * @param {string} dirPath The path of the directory to retrieve a config object for. + * @returns {FlatConfigArray} A configuration object for the file. + * @throws {Error} If `dirPath` is not a non-empty string. + * @throws {Error} If `dirPath` is not an absolute path. + * @throws {Error} If the config file was not already loaded. + */ + getCachedConfigArrayForPath(dirPath) { + assertValidFilePath(dirPath); + + debug(`[Legacy]: Looking up cached config for ${dirPath}`); + + if (!this.#configArray) { + throw new Error(`Could not find config file for ${dirPath}`); + } + + if (typeof this.#configArray.then === "function") { + throw new Error( + `Config array for ${dirPath} has not yet been calculated or an error occurred during the calculation`, + ); + } + + return this.#configArray; + } +} + +module.exports = { ConfigLoader, LegacyConfigLoader }; diff --git a/module/node_modules/eslint/lib/config/config.js b/module/node_modules/eslint/lib/config/config.js new file mode 100644 index 000000000..22fd5cc4e --- /dev/null +++ b/module/node_modules/eslint/lib/config/config.js @@ -0,0 +1,674 @@ +/** + * @fileoverview The `Config` class + * @author Nicholas C. Zakas + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +const { deepMergeArrays } = require("../shared/deep-merge-arrays"); +const { flatConfigSchema, hasMethod } = require("./flat-config-schema"); +const { ObjectSchema } = require("@eslint/config-array"); +const ajvImport = require("../shared/ajv"); +const ajv = ajvImport(); +const ruleReplacements = require("../../conf/replacements.json"); + +//----------------------------------------------------------------------------- +// Typedefs +//----------------------------------------------------------------------------- + +/** + * @import { RuleDefinition } from "@eslint/core"; + * @import { Linter } from "eslint"; + */ + +//----------------------------------------------------------------------------- +// Private Members +//------------------------------------------------------------------------------ + +// JSON schema that disallows passing any options +const noOptionsSchema = Object.freeze({ + type: "array", + minItems: 0, + maxItems: 0, +}); + +const severities = new Map([ + [0, 0], + [1, 1], + [2, 2], + ["off", 0], + ["warn", 1], + ["error", 2], +]); + +/** + * A collection of compiled validators for rules that have already + * been validated. + * @type {WeakMap} + */ +const validators = new WeakMap(); + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/** + * Throws a helpful error when a rule cannot be found. + * @param {Object} ruleId The rule identifier. + * @param {string} ruleId.pluginName The ID of the rule to find. + * @param {string} ruleId.ruleName The ID of the rule to find. + * @param {Object} config The config to search in. + * @throws {TypeError} For missing plugin or rule. + * @returns {void} + */ +function throwRuleNotFoundError({ pluginName, ruleName }, config) { + const ruleId = pluginName === "@" ? ruleName : `${pluginName}/${ruleName}`; + + const errorMessageHeader = `Key "rules": Key "${ruleId}"`; + + let errorMessage = `${errorMessageHeader}: Could not find plugin "${pluginName}" in configuration.`; + + const missingPluginErrorMessage = errorMessage; + + // if the plugin exists then we need to check if the rule exists + if (config.plugins && config.plugins[pluginName]) { + const replacementRuleName = ruleReplacements.rules[ruleName]; + + if (pluginName === "@" && replacementRuleName) { + errorMessage = `${errorMessageHeader}: Rule "${ruleName}" was removed and replaced by "${replacementRuleName}".`; + } else { + errorMessage = `${errorMessageHeader}: Could not find "${ruleName}" in plugin "${pluginName}".`; + + // otherwise, let's see if we can find the rule name elsewhere + for (const [otherPluginName, otherPlugin] of Object.entries( + config.plugins, + )) { + if (otherPlugin.rules && otherPlugin.rules[ruleName]) { + errorMessage += ` Did you mean "${otherPluginName}/${ruleName}"?`; + break; + } + } + } + + // falls through to throw error + } + + const error = new TypeError(errorMessage); + + if (errorMessage === missingPluginErrorMessage) { + error.messageTemplate = "config-plugin-missing"; + error.messageData = { pluginName, ruleId }; + } + + throw error; +} + +/** + * The error type when a rule has an invalid `meta.schema`. + */ +class InvalidRuleOptionsSchemaError extends Error { + /** + * Creates a new instance. + * @param {string} ruleId Id of the rule that has an invalid `meta.schema`. + * @param {Error} processingError Error caught while processing the `meta.schema`. + */ + constructor(ruleId, processingError) { + super( + `Error while processing options validation schema of rule '${ruleId}': ${processingError.message}`, + { cause: processingError }, + ); + this.code = "ESLINT_INVALID_RULE_OPTIONS_SCHEMA"; + } +} + +/** + * Parses a ruleId into its plugin and rule parts. + * @param {string} ruleId The rule ID to parse. + * @returns {{pluginName:string,ruleName:string}} The plugin and rule + * parts of the ruleId; + */ +function parseRuleId(ruleId) { + let pluginName, ruleName; + + // distinguish between core rules and plugin rules + if (ruleId.includes("/")) { + // mimic scoped npm packages + if (ruleId.startsWith("@")) { + pluginName = ruleId.slice(0, ruleId.lastIndexOf("/")); + } else { + pluginName = ruleId.slice(0, ruleId.indexOf("/")); + } + + ruleName = ruleId.slice(pluginName.length + 1); + } else { + pluginName = "@"; + ruleName = ruleId; + } + + return { + pluginName, + ruleName, + }; +} + +/** + * Retrieves a rule instance from a given config based on the ruleId. + * @param {string} ruleId The rule ID to look for. + * @param {Linter.Config} config The config to search. + * @returns {RuleDefinition|undefined} The rule if found + * or undefined if not. + */ +function getRuleFromConfig(ruleId, config) { + const { pluginName, ruleName } = parseRuleId(ruleId); + + return config.plugins?.[pluginName]?.rules?.[ruleName]; +} + +/** + * Gets a complete options schema for a rule. + * @param {RuleDefinition} rule A rule object + * @throws {TypeError} If `meta.schema` is specified but is not an array, object or `false`. + * @returns {Object|null} JSON Schema for the rule's options. `null` if `meta.schema` is `false`. + */ +function getRuleOptionsSchema(rule) { + if (!rule.meta) { + return { ...noOptionsSchema }; // default if `meta.schema` is not specified + } + + const schema = rule.meta.schema; + + if (typeof schema === "undefined") { + return { ...noOptionsSchema }; // default if `meta.schema` is not specified + } + + // `schema:false` is an allowed explicit opt-out of options validation for the rule + if (schema === false) { + return null; + } + + if (typeof schema !== "object" || schema === null) { + throw new TypeError("Rule's `meta.schema` must be an array or object"); + } + + // ESLint-specific array form needs to be converted into a valid JSON Schema definition + if (Array.isArray(schema)) { + if (schema.length) { + return { + type: "array", + items: schema, + minItems: 0, + maxItems: schema.length, + }; + } + + // `schema:[]` is an explicit way to specify that the rule does not accept any options + return { ...noOptionsSchema }; + } + + // `schema:` is assumed to be a valid JSON Schema definition + return schema; +} + +/** + * Splits a plugin identifier in the form a/b/c into two parts: a/b and c. + * @param {string} identifier The identifier to parse. + * @returns {{objectName: string, pluginName: string}} The parts of the plugin + * name. + */ +function splitPluginIdentifier(identifier) { + const parts = identifier.split("/"); + + return { + objectName: parts.pop(), + pluginName: parts.join("/"), + }; +} + +/** + * Returns the name of an object in the config by reading its `meta` key. + * @param {Object} object The object to check. + * @returns {string?} The name of the object if found or `null` if there + * is no name. + */ +function getObjectId(object) { + // first check old-style name + let name = object.name; + + if (!name) { + if (!object.meta) { + return null; + } + + name = object.meta.name; + + if (!name) { + return null; + } + } + + // now check for old-style version + let version = object.version; + + if (!version) { + version = object.meta && object.meta.version; + } + + // if there's a version then append that + if (version) { + return `${name}@${version}`; + } + + return name; +} + +/** + * Asserts that a value is not a function. + * @param {any} value The value to check. + * @param {string} key The key of the value in the object. + * @param {string} objectKey The key of the object being checked. + * @returns {void} + * @throws {TypeError} If the value is a function. + */ +function assertNotFunction(value, key, objectKey) { + if (typeof value === "function") { + const error = new TypeError( + `Cannot serialize key "${key}" in "${objectKey}": Function values are not supported.`, + ); + + error.messageTemplate = "config-serialize-function"; + error.messageData = { key, objectKey }; + + throw error; + } +} + +/** + * Converts a languageOptions object to a JSON representation. + * @param {Record} languageOptions The options to create a JSON + * representation of. + * @param {string} objectKey The key of the object being converted. + * @returns {Record} The JSON representation of the languageOptions. + * @throws {TypeError} If a function is found in the languageOptions. + */ +function languageOptionsToJSON(languageOptions, objectKey = "languageOptions") { + if (typeof languageOptions.toJSON === "function") { + const result = languageOptions.toJSON(); + + assertNotFunction(result, "toJSON", objectKey); + + return result; + } + + const result = {}; + + for (const [key, value] of Object.entries(languageOptions)) { + if (value) { + if (typeof value === "object") { + const name = getObjectId(value); + + if (typeof value.toJSON === "function") { + result[key] = value.toJSON(); + assertNotFunction(result[key], key, objectKey); + } else if (name && hasMethod(value)) { + result[key] = name; + } else { + result[key] = languageOptionsToJSON(value, key); + } + continue; + } + + assertNotFunction(value, key, objectKey); + } + + result[key] = value; + } + + return result; +} + +/** + * Gets or creates a validator for a rule. + * @param {Object} rule The rule to get a validator for. + * @param {string} ruleId The ID of the rule (for error reporting). + * @returns {Function|null} A validation function or null if no validation is needed. + * @throws {InvalidRuleOptionsSchemaError} If a rule's `meta.schema` is invalid. + */ +function getOrCreateValidator(rule, ruleId) { + if (!validators.has(rule)) { + try { + const schema = getRuleOptionsSchema(rule); + + if (schema) { + validators.set(rule, ajv.compile(schema)); + } + } catch (err) { + throw new InvalidRuleOptionsSchemaError(ruleId, err); + } + } + + return validators.get(rule); +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Represents a normalized configuration object. + */ +class Config { + /** + * The name to use for the language when serializing to JSON. + * @type {string|undefined} + */ + #languageName; + + /** + * The name to use for the processor when serializing to JSON. + * @type {string|undefined} + */ + #processorName; + + /** + * Creates a new instance. + * @param {Object} config The configuration object. + */ + constructor(config) { + const { plugins, language, languageOptions, processor, ...otherKeys } = + config; + + // Validate config object + const schema = new ObjectSchema(flatConfigSchema); + + schema.validate(config); + + // first, copy all the other keys over + Object.assign(this, otherKeys); + + // ensure that a language is specified + if (!language) { + throw new TypeError("Key 'language' is required."); + } + + // copy the rest over + this.plugins = plugins; + this.language = language; + + // Check language value + const { + pluginName: languagePluginName, + objectName: localLanguageName, + } = splitPluginIdentifier(language); + + this.#languageName = language; + + if ( + !plugins || + !plugins[languagePluginName] || + !plugins[languagePluginName].languages || + !plugins[languagePluginName].languages[localLanguageName] + ) { + throw new TypeError( + `Key "language": Could not find "${localLanguageName}" in plugin "${languagePluginName}".`, + ); + } + + this.language = + plugins[languagePluginName].languages[localLanguageName]; + + if (this.language.defaultLanguageOptions ?? languageOptions) { + this.languageOptions = flatConfigSchema.languageOptions.merge( + this.language.defaultLanguageOptions, + languageOptions, + ); + } else { + this.languageOptions = {}; + } + + // Validate language options + try { + this.language.validateLanguageOptions(this.languageOptions); + } catch (error) { + throw new TypeError(`Key "languageOptions": ${error.message}`, { + cause: error, + }); + } + + // Normalize language options if necessary + if (this.language.normalizeLanguageOptions) { + this.languageOptions = this.language.normalizeLanguageOptions( + this.languageOptions, + ); + } + + // Check processor value + if (processor) { + this.processor = processor; + + if (typeof processor === "string") { + const { pluginName, objectName: localProcessorName } = + splitPluginIdentifier(processor); + + this.#processorName = processor; + + if ( + !plugins || + !plugins[pluginName] || + !plugins[pluginName].processors || + !plugins[pluginName].processors[localProcessorName] + ) { + throw new TypeError( + `Key "processor": Could not find "${localProcessorName}" in plugin "${pluginName}".`, + ); + } + + this.processor = + plugins[pluginName].processors[localProcessorName]; + } else if (typeof processor === "object") { + this.#processorName = getObjectId(processor); + this.processor = processor; + } else { + throw new TypeError( + "Key 'processor' must be a string or an object.", + ); + } + } + + // Process the rules + if (this.rules) { + this.#normalizeRulesConfig(); + this.validateRulesConfig(this.rules); + } + } + + /** + * Converts the configuration to a JSON representation. + * @returns {Record} The JSON representation of the configuration. + * @throws {Error} If the configuration cannot be serialized. + */ + toJSON() { + if (this.processor && !this.#processorName) { + throw new Error( + "Could not serialize processor object (missing 'meta' object).", + ); + } + + if (!this.#languageName) { + throw new Error( + "Could not serialize language object (missing 'meta' object).", + ); + } + + return { + ...this, + plugins: Object.entries(this.plugins).map(([namespace, plugin]) => { + const pluginId = getObjectId(plugin); + + if (!pluginId) { + return namespace; + } + + return `${namespace}:${pluginId}`; + }), + language: this.#languageName, + languageOptions: languageOptionsToJSON(this.languageOptions), + processor: this.#processorName, + }; + } + + /** + * Gets a rule configuration by its ID. + * @param {string} ruleId The ID of the rule to get. + * @returns {RuleDefinition|undefined} The rule definition from the plugin, or `undefined` if the rule is not found. + */ + getRuleDefinition(ruleId) { + return getRuleFromConfig(ruleId, this); + } + + /** + * Normalizes the rules configuration. Ensures that each rule config is + * an array and that the severity is a number. Applies meta.defaultOptions. + * This function modifies `this.rules`. + * @returns {void} + */ + #normalizeRulesConfig() { + for (const [ruleId, originalConfig] of Object.entries(this.rules)) { + // ensure rule config is an array + let ruleConfig = Array.isArray(originalConfig) + ? originalConfig + : [originalConfig]; + + // normalize severity + ruleConfig[0] = severities.get(ruleConfig[0]); + + const rule = getRuleFromConfig(ruleId, this); + + // apply meta.defaultOptions + const slicedOptions = ruleConfig.slice(1); + const mergedOptions = deepMergeArrays( + rule?.meta?.defaultOptions, + slicedOptions, + ); + + if (mergedOptions.length) { + ruleConfig = [ruleConfig[0], ...mergedOptions]; + } + + this.rules[ruleId] = ruleConfig; + } + } + + /** + * Validates all of the rule configurations in the given rules config + * against the plugins in this instance. This is used primarily to + * validate inline configuration rules while inting. + * @param {Object} rulesConfig The rules config to validate. + * @returns {void} + * @throws {Error} If a rule's configuration does not match its schema. + * @throws {TypeError} If the rulesConfig is not provided or is invalid. + * @throws {InvalidRuleOptionsSchemaError} If a rule's `meta.schema` is invalid. + * @throws {TypeError} If a rule is not found in the plugins. + */ + validateRulesConfig(rulesConfig) { + if (!rulesConfig) { + throw new TypeError("Config is required for validation."); + } + + for (const [ruleId, ruleOptions] of Object.entries(rulesConfig)) { + // check for edge case + if (ruleId === "__proto__") { + continue; + } + + /* + * If a rule is disabled, we don't do any validation. This allows + * users to safely set any value to 0 or "off" without worrying + * that it will cause a validation error. + * + * Note: ruleOptions is always an array at this point because + * this validation occurs after FlatConfigArray has merged and + * normalized values. + */ + if (ruleOptions[0] === 0) { + continue; + } + + const rule = getRuleFromConfig(ruleId, this); + + if (!rule) { + throwRuleNotFoundError(parseRuleId(ruleId), this); + } + + const validateRule = getOrCreateValidator(rule, ruleId); + + if (validateRule) { + validateRule(ruleOptions.slice(1)); + + if (validateRule.errors) { + throw new Error( + `Key "rules": Key "${ruleId}":\n${validateRule.errors + .map(error => { + if ( + error.keyword === "additionalProperties" && + error.schema === false && + typeof error.parentSchema?.properties === + "object" && + typeof error.params?.additionalProperty === + "string" + ) { + const expectedProperties = Object.keys( + error.parentSchema.properties, + ).map(property => `"${property}"`); + + return `\tValue ${JSON.stringify(error.data)} ${error.message}.\n\t\tUnexpected property "${error.params.additionalProperty}". Expected properties: ${expectedProperties.join(", ")}.\n`; + } + + return `\tValue ${JSON.stringify(error.data)} ${error.message}.\n`; + }) + .join("")}`, + ); + } + } + } + } + + /** + * Gets a complete options schema for a rule. + * @param {RuleDefinition} ruleDefinition A rule definition object. + * @throws {TypeError} If `meta.schema` is specified but is not an array, object or `false`. + * @returns {Object|null} JSON Schema for the rule's options. `null` if `meta.schema` is `false`. + */ + static getRuleOptionsSchema(ruleDefinition) { + return getRuleOptionsSchema(ruleDefinition); + } + + /** + * Normalizes the severity value of a rule's configuration to a number + * @param {(number|string|[number, ...*]|[string, ...*])} ruleConfig A rule's configuration value, generally + * received from the user. A valid config value is either 0, 1, 2, the string "off" (treated the same as 0), + * the string "warn" (treated the same as 1), the string "error" (treated the same as 2), or an array + * whose first element is one of the above values. Strings are matched case-insensitively. + * @returns {(0|1|2)} The numeric severity value if the config value was valid, otherwise 0. + */ + static getRuleNumericSeverity(ruleConfig) { + const severityValue = Array.isArray(ruleConfig) + ? ruleConfig[0] + : ruleConfig; + + if (severities.has(severityValue)) { + return severities.get(severityValue); + } + + if (typeof severityValue === "string") { + return severities.get(severityValue.toLowerCase()) ?? 0; + } + + return 0; + } +} + +module.exports = { Config }; diff --git a/module/node_modules/eslint/lib/config/default-config.js b/module/node_modules/eslint/lib/config/default-config.js new file mode 100644 index 000000000..aebf6e930 --- /dev/null +++ b/module/node_modules/eslint/lib/config/default-config.js @@ -0,0 +1,78 @@ +/** + * @fileoverview Default configuration + * @author Nicholas C. Zakas + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +const Rules = require("../rules"); + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const sharedDefaultConfig = [ + // intentionally empty config to ensure these files are globbed by default + { + files: ["**/*.js", "**/*.mjs"], + }, + { + files: ["**/*.cjs"], + languageOptions: { + sourceType: "commonjs", + ecmaVersion: "latest", + }, + }, +]; + +exports.defaultConfig = Object.freeze([ + { + plugins: { + "@": { + languages: { + js: require("../languages/js"), + }, + + /* + * Because we try to delay loading rules until absolutely + * necessary, a proxy allows us to hook into the lazy-loading + * aspect of the rules map while still keeping all of the + * relevant configuration inside of the config array. + */ + rules: new Proxy( + {}, + { + get(target, property) { + return Rules.get(property); + }, + + has(target, property) { + return Rules.has(property); + }, + }, + ), + }, + }, + language: "@/js", + linterOptions: { + reportUnusedDisableDirectives: 1, + }, + }, + + // default ignores are listed here + { + ignores: ["**/node_modules/", ".git/"], + }, + + ...sharedDefaultConfig, +]); + +exports.defaultRuleTesterConfig = Object.freeze([ + { files: ["**"] }, // Make sure the default config matches for all files + + ...sharedDefaultConfig, +]); diff --git a/module/node_modules/eslint/lib/config/flat-config-array.js b/module/node_modules/eslint/lib/config/flat-config-array.js new file mode 100644 index 000000000..aaa97db25 --- /dev/null +++ b/module/node_modules/eslint/lib/config/flat-config-array.js @@ -0,0 +1,217 @@ +/** + * @fileoverview Flat Config Array + * @author Nicholas C. Zakas + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +const { ConfigArray, ConfigArraySymbol } = require("@eslint/config-array"); +const { flatConfigSchema } = require("./flat-config-schema"); +const { defaultConfig } = require("./default-config"); +const { Config } = require("./config"); + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +/** + * Fields that are considered metadata and not part of the config object. + */ +const META_FIELDS = new Set(["name", "basePath"]); + +/** + * Wraps a config error with details about where the error occurred. + * @param {Error} error The original error. + * @param {number} originalLength The original length of the config array. + * @param {number} baseLength The length of the base config. + * @returns {TypeError} The new error with details. + */ +function wrapConfigErrorWithDetails(error, originalLength, baseLength) { + let location = "user-defined"; + let configIndex = error.index; + + /* + * A config array is set up in this order: + * 1. Base config + * 2. Original configs + * 3. User-defined configs + * 4. CLI-defined configs + * + * So we need to adjust the index to account for the base config. + * + * - If the index is less than the base length, it's in the base config + * (as specified by `baseConfig` argument to `FlatConfigArray` constructor). + * - If the index is greater than the base length but less than the original + * length + base length, it's in the original config. The original config + * is passed to the `FlatConfigArray` constructor as the first argument. + * - Otherwise, it's in the user-defined config, which is loaded from the + * config file and merged with any command-line options. + */ + if (error.index < baseLength) { + location = "base"; + } else if (error.index < originalLength + baseLength) { + location = "original"; + configIndex = error.index - baseLength; + } else { + configIndex = error.index - originalLength - baseLength; + } + + return new TypeError( + `${error.message.slice(0, -1)} at ${location} index ${configIndex}.`, + { cause: error }, + ); +} + +const originalBaseConfig = Symbol("originalBaseConfig"); +const originalLength = Symbol("originalLength"); +const baseLength = Symbol("baseLength"); + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Represents an array containing configuration information for ESLint. + */ +class FlatConfigArray extends ConfigArray { + /** + * Creates a new instance. + * @param {*[]} configs An array of configuration information. + * @param {{basePath: string, shouldIgnore: boolean, baseConfig: FlatConfig}} options The options + * to use for the config array instance. + */ + constructor( + configs, + { basePath, shouldIgnore = true, baseConfig = defaultConfig } = {}, + ) { + super(configs, { + basePath, + schema: flatConfigSchema, + }); + + /** + * The original length of the array before any modifications. + * @type {number} + */ + this[originalLength] = this.length; + + if (baseConfig[Symbol.iterator]) { + this.unshift(...baseConfig); + } else { + this.unshift(baseConfig); + } + + /** + * The length of the array after applying the base config. + * @type {number} + */ + this[baseLength] = this.length - this[originalLength]; + + /** + * The base config used to build the config array. + * @type {Array} + */ + this[originalBaseConfig] = baseConfig; + Object.defineProperty(this, originalBaseConfig, { writable: false }); + + /** + * Determines if `ignores` fields should be honored. + * If true, then all `ignores` fields are honored. + * if false, then only `ignores` fields in the baseConfig are honored. + * @type {boolean} + */ + this.shouldIgnore = shouldIgnore; + Object.defineProperty(this, "shouldIgnore", { writable: false }); + } + + /** + * Normalizes the array by calling the superclass method and catching/rethrowing + * any ConfigError exceptions with additional details. + * @param {any} [context] The context to use to normalize the array. + * @returns {Promise} A promise that resolves when the array is normalized. + */ + normalize(context) { + return super.normalize(context).catch(error => { + if (error.name === "ConfigError") { + throw wrapConfigErrorWithDetails( + error, + this[originalLength], + this[baseLength], + ); + } + + throw error; + }); + } + + /** + * Normalizes the array by calling the superclass method and catching/rethrowing + * any ConfigError exceptions with additional details. + * @param {any} [context] The context to use to normalize the array. + * @returns {FlatConfigArray} The current instance. + * @throws {TypeError} If the config is invalid. + */ + normalizeSync(context) { + try { + return super.normalizeSync(context); + } catch (error) { + if (error.name === "ConfigError") { + throw wrapConfigErrorWithDetails( + error, + this[originalLength], + this[baseLength], + ); + } + + throw error; + } + } + + /* eslint-disable class-methods-use-this -- Desired as instance method */ + /** + * Replaces a config with another config to allow us to put strings + * in the config array that will be replaced by objects before + * normalization. + * @param {Object} config The config to preprocess. + * @returns {Object} The preprocessed config. + */ + [ConfigArraySymbol.preprocessConfig](config) { + /* + * If a config object has `ignores` and no other non-meta fields, then it's an object + * for global ignores. If `shouldIgnore` is false, that object shouldn't apply, + * so we'll remove its `ignores`. + */ + if ( + !this.shouldIgnore && + !this[originalBaseConfig].includes(config) && + config.ignores && + Object.keys(config).filter(key => !META_FIELDS.has(key)).length === + 1 + ) { + /* eslint-disable-next-line no-unused-vars -- need to strip off other keys */ + const { ignores, ...otherKeys } = config; + + return otherKeys; + } + + return config; + } + + /** + * Finalizes the config by replacing plugin references with their objects + * and validating rule option schemas. + * @param {Object} config The config to finalize. + * @returns {Object} The finalized config. + * @throws {TypeError} If the config is invalid. + */ + [ConfigArraySymbol.finalizeConfig](config) { + return new Config(config); + } + /* eslint-enable class-methods-use-this -- Desired as instance method */ +} + +exports.FlatConfigArray = FlatConfigArray; diff --git a/module/node_modules/eslint/lib/config/flat-config-schema.js b/module/node_modules/eslint/lib/config/flat-config-schema.js new file mode 100644 index 000000000..f393a9998 --- /dev/null +++ b/module/node_modules/eslint/lib/config/flat-config-schema.js @@ -0,0 +1,598 @@ +/** + * @fileoverview Flat config schema + * @author Nicholas C. Zakas + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +const { normalizeSeverityToNumber } = require("../shared/severity"); + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + +/** + * @typedef ObjectPropertySchema + * @property {Function|string} merge The function or name of the function to call + * to merge multiple objects with this property. + * @property {Function|string} validate The function or name of the function to call + * to validate the value of this property. + */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const ruleSeverities = new Map([ + [0, 0], + ["off", 0], + [1, 1], + ["warn", 1], + [2, 2], + ["error", 2], +]); + +/** + * Check if a value is a non-null object. + * @param {any} value The value to check. + * @returns {boolean} `true` if the value is a non-null object. + */ +function isNonNullObject(value) { + return typeof value === "object" && value !== null; +} + +/** + * Check if a value is a non-null non-array object. + * @param {any} value The value to check. + * @returns {boolean} `true` if the value is a non-null non-array object. + */ +function isNonArrayObject(value) { + return isNonNullObject(value) && !Array.isArray(value); +} + +/** + * Check if a value is undefined. + * @param {any} value The value to check. + * @returns {boolean} `true` if the value is undefined. + */ +function isUndefined(value) { + return typeof value === "undefined"; +} + +/** + * Deeply merges two non-array objects. + * @param {Object} first The base object. + * @param {Object} second The overrides object. + * @param {Map>} [mergeMap] Maps the combination of first and second arguments to a merged result. + * @returns {Object} An object with properties from both first and second. + */ +function deepMerge(first, second, mergeMap = new Map()) { + let secondMergeMap = mergeMap.get(first); + + if (secondMergeMap) { + const result = secondMergeMap.get(second); + + if (result) { + // If this combination of first and second arguments has been already visited, return the previously created result. + return result; + } + } else { + secondMergeMap = new Map(); + mergeMap.set(first, secondMergeMap); + } + + /* + * First create a result object where properties from the second object + * overwrite properties from the first. This sets up a baseline to use + * later rather than needing to inspect and change every property + * individually. + */ + const result = { + ...first, + ...second, + }; + + delete result.__proto__; // eslint-disable-line no-proto -- don't merge own property "__proto__" + + // Store the pending result for this combination of first and second arguments. + secondMergeMap.set(second, result); + + for (const key of Object.keys(second)) { + // avoid hairy edge case + if ( + key === "__proto__" || + !Object.prototype.propertyIsEnumerable.call(first, key) + ) { + continue; + } + + const firstValue = first[key]; + const secondValue = second[key]; + + if (isNonArrayObject(firstValue) && isNonArrayObject(secondValue)) { + result[key] = deepMerge(firstValue, secondValue, mergeMap); + } else if (isUndefined(secondValue)) { + result[key] = firstValue; + } + } + + return result; +} + +/** + * Normalizes the rule options config for a given rule by ensuring that + * it is an array and that the first item is 0, 1, or 2. + * @param {Array|string|number} ruleOptions The rule options config. + * @returns {Array} An array of rule options. + */ +function normalizeRuleOptions(ruleOptions) { + const finalOptions = Array.isArray(ruleOptions) + ? ruleOptions.slice(0) + : [ruleOptions]; + + finalOptions[0] = ruleSeverities.get(finalOptions[0]); + return structuredClone(finalOptions); +} + +/** + * Determines if an object has any methods. + * @param {Object} object The object to check. + * @returns {boolean} `true` if the object has any methods. + */ +function hasMethod(object) { + for (const key of Object.keys(object)) { + if (typeof object[key] === "function") { + return true; + } + } + + return false; +} + +//----------------------------------------------------------------------------- +// Assertions +//----------------------------------------------------------------------------- + +/** + * The error type when a rule's options are configured with an invalid type. + */ +class InvalidRuleOptionsError extends Error { + /** + * @param {string} ruleId Rule name being configured. + * @param {any} value The invalid value. + */ + constructor(ruleId, value) { + super( + `Key "${ruleId}": Expected severity of "off", 0, "warn", 1, "error", or 2.`, + ); + this.messageTemplate = "invalid-rule-options"; + this.messageData = { ruleId, value }; + } +} + +/** + * Validates that a value is a valid rule options entry. + * @param {string} ruleId Rule name being configured. + * @param {any} value The value to check. + * @returns {void} + * @throws {InvalidRuleOptionsError} If the value isn't a valid rule options. + */ +function assertIsRuleOptions(ruleId, value) { + if ( + typeof value !== "string" && + typeof value !== "number" && + !Array.isArray(value) + ) { + throw new InvalidRuleOptionsError(ruleId, value); + } +} + +/** + * The error type when a rule's severity is invalid. + */ +class InvalidRuleSeverityError extends Error { + /** + * @param {string} ruleId Rule name being configured. + * @param {any} value The invalid value. + */ + constructor(ruleId, value) { + super( + `Key "${ruleId}": Expected severity of "off", 0, "warn", 1, "error", or 2.`, + ); + this.messageTemplate = "invalid-rule-severity"; + this.messageData = { ruleId, value }; + } +} + +/** + * Validates that a value is valid rule severity. + * @param {string} ruleId Rule name being configured. + * @param {any} value The value to check. + * @returns {void} + * @throws {InvalidRuleSeverityError} If the value isn't a valid rule severity. + */ +function assertIsRuleSeverity(ruleId, value) { + const severity = ruleSeverities.get(value); + + if (typeof severity === "undefined") { + throw new InvalidRuleSeverityError(ruleId, value); + } +} + +/** + * Validates that a given string is the form pluginName/objectName. + * @param {string} value The string to check. + * @returns {void} + * @throws {TypeError} If the string isn't in the correct format. + */ +function assertIsPluginMemberName(value) { + if (!/[\w\-@$]+(?:\/[\w\-$]+)+$/iu.test(value)) { + throw new TypeError( + `Expected string in the form "pluginName/objectName" but found "${value}".`, + ); + } +} + +/** + * Validates that a value is an object. + * @param {any} value The value to check. + * @returns {void} + * @throws {TypeError} If the value isn't an object. + */ +function assertIsObject(value) { + if (!isNonNullObject(value)) { + throw new TypeError("Expected an object."); + } +} + +/** + * The error type when there's an eslintrc-style options in a flat config. + */ +class IncompatibleKeyError extends Error { + /** + * @param {string} key The invalid key. + */ + constructor(key) { + super( + "This appears to be in eslintrc format rather than flat config format.", + ); + this.messageTemplate = "eslintrc-incompat"; + this.messageData = { key }; + } +} + +/** + * The error type when there's an eslintrc-style plugins array found. + */ +class IncompatiblePluginsError extends Error { + /** + * Creates a new instance. + * @param {Array} plugins The plugins array. + */ + constructor(plugins) { + super( + "This appears to be in eslintrc format (array of strings) rather than flat config format (object).", + ); + this.messageTemplate = "eslintrc-plugins"; + this.messageData = { plugins }; + } +} + +//----------------------------------------------------------------------------- +// Low-Level Schemas +//----------------------------------------------------------------------------- + +/** @type {ObjectPropertySchema} */ +const booleanSchema = { + merge: "replace", + validate: "boolean", +}; + +const ALLOWED_SEVERITIES = new Set(["error", "warn", "off", 2, 1, 0]); + +/** @type {ObjectPropertySchema} */ +const disableDirectiveSeveritySchema = { + merge(first, second) { + const value = second === void 0 ? first : second; + + if (typeof value === "boolean") { + return value ? "warn" : "off"; + } + + return normalizeSeverityToNumber(value); + }, + validate(value) { + if (!(ALLOWED_SEVERITIES.has(value) || typeof value === "boolean")) { + throw new TypeError( + 'Expected one of: "error", "warn", "off", 0, 1, 2, or a boolean.', + ); + } + }, +}; + +/** @type {ObjectPropertySchema} */ +const unusedInlineConfigsSeveritySchema = { + merge(first, second) { + const value = second === void 0 ? first : second; + + return normalizeSeverityToNumber(value); + }, + validate(value) { + if (!ALLOWED_SEVERITIES.has(value)) { + throw new TypeError( + 'Expected one of: "error", "warn", "off", 0, 1, or 2.', + ); + } + }, +}; + +/** @type {ObjectPropertySchema} */ +const deepObjectAssignSchema = { + merge(first = {}, second = {}) { + return deepMerge(first, second); + }, + validate: "object", +}; + +//----------------------------------------------------------------------------- +// High-Level Schemas +//----------------------------------------------------------------------------- + +/** @type {ObjectPropertySchema} */ +const languageOptionsSchema = { + merge(first = {}, second = {}) { + const result = deepMerge(first, second); + + for (const [key, value] of Object.entries(result)) { + /* + * Special case: Because the `parser` property is an object, it should + * not be deep merged. Instead, it should be replaced if it exists in + * the second object. To make this more generic, we just check for + * objects with methods and replace them if they exist in the second + * object. + */ + if (isNonArrayObject(value)) { + if (hasMethod(value)) { + result[key] = second[key] ?? first[key]; + continue; + } + + // for other objects, make sure we aren't reusing the same object + result[key] = { ...result[key] }; + continue; + } + } + + return result; + }, + validate: "object", +}; + +/** @type {ObjectPropertySchema} */ +const languageSchema = { + merge: "replace", + validate: assertIsPluginMemberName, +}; + +/** @type {ObjectPropertySchema} */ +const pluginsSchema = { + merge(first = {}, second = {}) { + const keys = new Set([...Object.keys(first), ...Object.keys(second)]); + const result = {}; + + // manually validate that plugins are not redefined + for (const key of keys) { + // avoid hairy edge case + if (key === "__proto__") { + continue; + } + + if (key in first && key in second && first[key] !== second[key]) { + throw new TypeError(`Cannot redefine plugin "${key}".`); + } + + result[key] = second[key] || first[key]; + } + + return result; + }, + validate(value) { + // first check the value to be sure it's an object + if (value === null || typeof value !== "object") { + throw new TypeError("Expected an object."); + } + + // make sure it's not an array, which would mean eslintrc-style is used + if (Array.isArray(value)) { + throw new IncompatiblePluginsError(value); + } + + // second check the keys to make sure they are objects + for (const key of Object.keys(value)) { + // avoid hairy edge case + if (key === "__proto__") { + continue; + } + + if (value[key] === null || typeof value[key] !== "object") { + throw new TypeError(`Key "${key}": Expected an object.`); + } + } + }, +}; + +/** @type {ObjectPropertySchema} */ +const processorSchema = { + merge: "replace", + validate(value) { + if (typeof value === "string") { + assertIsPluginMemberName(value); + } else if (value && typeof value === "object") { + if ( + typeof value.preprocess !== "function" || + typeof value.postprocess !== "function" + ) { + throw new TypeError( + "Object must have a preprocess() and a postprocess() method.", + ); + } + } else { + throw new TypeError("Expected an object or a string."); + } + }, +}; + +/** @type {ObjectPropertySchema} */ +const rulesSchema = { + merge(first = {}, second = {}) { + const result = { + ...first, + ...second, + }; + + for (const ruleId of Object.keys(result)) { + try { + // avoid hairy edge case + if (ruleId === "__proto__") { + /* eslint-disable-next-line no-proto -- Though deprecated, may still be present */ + delete result.__proto__; + continue; + } + + result[ruleId] = normalizeRuleOptions(result[ruleId]); + + /* + * If either rule config is missing, then the correct + * config is already present and we just need to normalize + * the severity. + */ + if (!(ruleId in first) || !(ruleId in second)) { + continue; + } + + const firstRuleOptions = normalizeRuleOptions(first[ruleId]); + const secondRuleOptions = normalizeRuleOptions(second[ruleId]); + + /* + * If the second rule config only has a severity (length of 1), + * then use that severity and keep the rest of the options from + * the first rule config. + */ + if (secondRuleOptions.length === 1) { + result[ruleId] = [ + secondRuleOptions[0], + ...firstRuleOptions.slice(1), + ]; + continue; + } + + /* + * In any other situation, then the second rule config takes + * precedence. That means the value at `result[ruleId]` is + * already correct and no further work is necessary. + */ + } catch (ex) { + throw new Error(`Key "${ruleId}": ${ex.message}`, { + cause: ex, + }); + } + } + + return result; + }, + + validate(value) { + assertIsObject(value); + + /* + * We are not checking the rule schema here because there is no + * guarantee that the rule definition is present at this point. Instead + * we wait and check the rule schema during the finalization step + * of calculating a config. + */ + for (const ruleId of Object.keys(value)) { + // avoid hairy edge case + if (ruleId === "__proto__") { + continue; + } + + const ruleOptions = value[ruleId]; + + assertIsRuleOptions(ruleId, ruleOptions); + + if (Array.isArray(ruleOptions)) { + assertIsRuleSeverity(ruleId, ruleOptions[0]); + } else { + assertIsRuleSeverity(ruleId, ruleOptions); + } + } + }, +}; + +/** + * Creates a schema that always throws an error. Useful for warning + * about eslintrc-style keys. + * @param {string} key The eslintrc key to create a schema for. + * @returns {ObjectPropertySchema} The schema. + */ +function createEslintrcErrorSchema(key) { + return { + merge: "replace", + validate() { + throw new IncompatibleKeyError(key); + }, + }; +} + +const eslintrcKeys = [ + "env", + "extends", + "globals", + "ignorePatterns", + "noInlineConfig", + "overrides", + "parser", + "parserOptions", + "reportUnusedDisableDirectives", + "root", +]; + +//----------------------------------------------------------------------------- +// Full schema +//----------------------------------------------------------------------------- + +const flatConfigSchema = { + // eslintrc-style keys that should always error + ...Object.fromEntries( + eslintrcKeys.map(key => [key, createEslintrcErrorSchema(key)]), + ), + + // flat config keys + settings: deepObjectAssignSchema, + linterOptions: { + schema: { + noInlineConfig: booleanSchema, + reportUnusedDisableDirectives: disableDirectiveSeveritySchema, + reportUnusedInlineConfigs: unusedInlineConfigsSeveritySchema, + }, + }, + language: languageSchema, + languageOptions: languageOptionsSchema, + processor: processorSchema, + plugins: pluginsSchema, + rules: rulesSchema, +}; + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +module.exports = { + flatConfigSchema, + hasMethod, + assertIsRuleSeverity, +}; diff --git a/module/node_modules/eslint/lib/eslint/eslint-helpers.js b/module/node_modules/eslint/lib/eslint/eslint-helpers.js new file mode 100644 index 000000000..16c8dde94 --- /dev/null +++ b/module/node_modules/eslint/lib/eslint/eslint-helpers.js @@ -0,0 +1,1465 @@ +/** + * @fileoverview Helper functions for ESLint class + * @author Nicholas C. Zakas + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +const path = require("node:path"); +const fs = require("node:fs"); +const { isMainThread, threadId } = require("node:worker_threads"); +const fsp = fs.promises; +const isGlob = require("is-glob"); +const hash = require("../cli-engine/hash"); +const minimatch = require("minimatch"); +const globParent = require("glob-parent"); +const { Linter } = require("../linter"); +const { getShorthandName } = require("../shared/naming"); +const LintResultCache = require("../cli-engine/lint-result-cache"); +const { ConfigLoader, LegacyConfigLoader } = require("../config/config-loader"); +const createDebug = require("debug"); + +//----------------------------------------------------------------------------- +// Fixup references +//----------------------------------------------------------------------------- + +const Minimatch = minimatch.Minimatch; +const MINIMATCH_OPTIONS = { dot: true }; +const hrtimeBigint = process.hrtime.bigint; + +//----------------------------------------------------------------------------- +// Types +//----------------------------------------------------------------------------- + +/** + * @import { ESLintOptions } from "./eslint.js"; + * @import { Config as CalculatedConfig } from "../config/config.js"; + * @import { FlatConfigArray } from "../config/flat-config-array.js"; + * @import { WarningService } from "../services/warning-service.js"; + * @import { Retrier } from "@humanwhocodes/retry"; + */ + +/** @typedef {import("../types").Linter.Config} Config */ +/** @typedef {import("../types").Linter.LintMessage} LintMessage */ +/** @typedef {import("../types").ESLint.LintResult} LintResult */ +/** @typedef {import("../types").ESLint.Plugin} Plugin */ + +/** + * @typedef {Object} GlobSearch + * @property {Array} patterns The normalized patterns to use for a search. + * @property {Array} rawPatterns The patterns as entered by the user + * before doing any normalization. + */ + +//------------------------------------------------------------------------------ +// Debug Helpers +//------------------------------------------------------------------------------ + +// Add %t formatter to print bigint nanosecond times in milliseconds. +createDebug.formatters.t = timeDiff => + `${(timeDiff + 500_000n) / 1_000_000n} ms`; + +const debug = createDebug( + `eslint:eslint-helpers${isMainThread ? "" : `:thread-${threadId}`}`, +); + +//----------------------------------------------------------------------------- +// Errors +//----------------------------------------------------------------------------- + +/** + * The error type when no files match a glob. + */ +class NoFilesFoundError extends Error { + /** + * @param {string} pattern The glob pattern which was not found. + * @param {boolean} globEnabled If `false` then the pattern was a glob pattern, but glob was disabled. + */ + constructor(pattern, globEnabled) { + super( + `No files matching '${pattern}' were found${!globEnabled ? " (glob was disabled)" : ""}.`, + ); + this.messageTemplate = "file-not-found"; + this.messageData = { pattern, globDisabled: !globEnabled }; + } +} + +/** + * The error type when a search fails to match multiple patterns. + */ +class UnmatchedSearchPatternsError extends Error { + /** + * @param {Object} options The options for the error. + * @param {string} options.basePath The directory that was searched. + * @param {Array} options.unmatchedPatterns The glob patterns + * which were not found. + * @param {Array} options.patterns The glob patterns that were + * searched. + * @param {Array} options.rawPatterns The raw glob patterns that + * were searched. + */ + constructor({ basePath, unmatchedPatterns, patterns, rawPatterns }) { + super( + `No files matching '${rawPatterns}' in '${basePath}' were found.`, + ); + this.basePath = basePath; + this.unmatchedPatterns = unmatchedPatterns; + this.patterns = patterns; + this.rawPatterns = rawPatterns; + } +} + +/** + * The error type when there are files matched by a glob, but all of them have been ignored. + */ +class AllFilesIgnoredError extends Error { + /** + * @param {string} pattern The glob pattern which was not found. + */ + constructor(pattern) { + super(`All files matched by '${pattern}' are ignored.`); + this.messageTemplate = "all-matched-files-ignored"; + this.messageData = { pattern }; + } +} + +//----------------------------------------------------------------------------- +// General Helpers +//----------------------------------------------------------------------------- + +/** + * Check if a given value is a non-empty string or not. + * @param {any} value The value to check. + * @returns {boolean} `true` if `value` is a non-empty string. + */ +function isNonEmptyString(value) { + return typeof value === "string" && value.trim() !== ""; +} + +/** + * Check if a given value is an array of non-empty strings or not. + * @param {any} value The value to check. + * @returns {boolean} `true` if `value` is an array of non-empty strings. + */ +function isArrayOfNonEmptyString(value) { + return ( + Array.isArray(value) && !!value.length && value.every(isNonEmptyString) + ); +} + +/** + * Check if a given value is an empty array or an array of non-empty strings. + * @param {any} value The value to check. + * @returns {boolean} `true` if `value` is an empty array or an array of non-empty + * strings. + */ +function isEmptyArrayOrArrayOfNonEmptyString(value) { + return Array.isArray(value) && value.every(isNonEmptyString); +} + +/** + * Check if a given value is a positive integer. + * @param {unknown} value The value to check. + * @returns {boolean} `true` if `value` is a positive integer. + */ +function isPositiveInteger(value) { + return Number.isInteger(value) && value > 0; +} + +//----------------------------------------------------------------------------- +// File-related Helpers +//----------------------------------------------------------------------------- + +/** + * Normalizes slashes in a file pattern to posix-style. + * @param {string} pattern The pattern to replace slashes in. + * @returns {string} The pattern with slashes normalized. + */ +function normalizeToPosix(pattern) { + return pattern.replace(/\\/gu, "/"); +} + +/** + * Check if a string is a glob pattern or not. + * @param {string} pattern A glob pattern. + * @returns {boolean} `true` if the string is a glob pattern. + */ +function isGlobPattern(pattern) { + return isGlob(path.sep === "\\" ? normalizeToPosix(pattern) : pattern); +} + +/** + * Determines if a given glob pattern will return any results. + * Used primarily to help with useful error messages. + * @param {Object} options The options for the function. + * @param {string} options.basePath The directory to search. + * @param {string} options.pattern An absolute path glob pattern to match. + * @returns {Promise} True if there is a glob match, false if not. + */ +async function globMatch({ basePath, pattern }) { + let found = false; + const { hfs } = await import("@humanfs/node"); + const patternToUse = normalizeToPosix(path.relative(basePath, pattern)); + + const matcher = new Minimatch(patternToUse, MINIMATCH_OPTIONS); + + const walkSettings = { + directoryFilter(entry) { + return !found && matcher.match(entry.path, true); + }, + + entryFilter(entry) { + if (found || entry.isDirectory) { + return false; + } + + if (matcher.match(entry.path)) { + found = true; + return true; + } + + return false; + }, + }; + + if (await hfs.isDirectory(basePath)) { + return hfs + .walk(basePath, walkSettings) + .next() + .then(() => found); + } + + return found; +} + +/** + * Searches a directory looking for matching glob patterns. This uses + * the config array's logic to determine if a directory or file should + * be ignored, so it is consistent with how ignoring works throughout + * ESLint. + * @param {Object} options The options for this function. + * @param {string} options.basePath The directory to search. + * @param {Array} options.patterns An array of absolute path glob patterns + * to match. + * @param {Array} options.rawPatterns An array of glob patterns + * as the user inputted them. Used for errors. + * @param {ConfigLoader|LegacyConfigLoader} options.configLoader The config array to use for + * determining what to ignore. + * @param {boolean} options.errorOnUnmatchedPattern Determines if an error + * should be thrown when a pattern is unmatched. + * @returns {Promise>} An array of matching file paths + * or an empty array if there are no matches. + * @throws {UnmatchedSearchPatternsError} If there is a pattern that doesn't + * match any files. + */ +async function globSearch({ + basePath, + patterns, + rawPatterns, + configLoader, + errorOnUnmatchedPattern, +}) { + if (patterns.length === 0) { + return []; + } + + /* + * In this section we are converting the patterns into Minimatch + * instances for performance reasons. Because we are doing the same + * matches repeatedly, it's best to compile those patterns once and + * reuse them multiple times. + * + * To do that, we convert any patterns with an absolute path into a + * relative path and normalize it to Posix-style slashes. We also keep + * track of the relative patterns to map them back to the original + * patterns, which we need in order to throw an error if there are any + * unmatched patterns. + */ + const relativeToPatterns = new Map(); + const matchers = patterns.map((pattern, i) => { + const patternToUse = normalizeToPosix(path.relative(basePath, pattern)); + + relativeToPatterns.set(patternToUse, patterns[i]); + + return new Minimatch(patternToUse, MINIMATCH_OPTIONS); + }); + + /* + * We track unmatched patterns because we may want to throw an error when + * they occur. To start, this set is initialized with all of the patterns. + * Every time a match occurs, the pattern is removed from the set, making + * it easy to tell if we have any unmatched patterns left at the end of + * search. + */ + const unmatchedPatterns = new Set([...relativeToPatterns.keys()]); + const { hfs } = await import("@humanfs/node"); + + const walk = hfs.walk(basePath, { + async directoryFilter(entry) { + if (!matchers.some(matcher => matcher.match(entry.path, true))) { + return false; + } + + const absolutePath = path.resolve(basePath, entry.path); + const configs = + await configLoader.loadConfigArrayForDirectory(absolutePath); + + return !configs.isDirectoryIgnored(absolutePath); + }, + async entryFilter(entry) { + const absolutePath = path.resolve(basePath, entry.path); + + // entries may be directories or files so filter out directories + if (entry.isDirectory) { + return false; + } + + const configs = + await configLoader.loadConfigArrayForFile(absolutePath); + const config = configs.getConfig(absolutePath); + + /* + * Optimization: We need to track when patterns are left unmatched + * and so we use `unmatchedPatterns` to do that. There is a bit of + * complexity here because the same file can be matched by more than + * one pattern. So, when we start, we actually need to test every + * pattern against every file. Once we know there are no remaining + * unmatched patterns, then we can switch to just looking for the + * first matching pattern for improved speed. + */ + const matchesPattern = + unmatchedPatterns.size > 0 + ? matchers.reduce((previousValue, matcher) => { + const pathMatches = matcher.match(entry.path); + + /* + * We updated the unmatched patterns set only if the path + * matches and the file has a config. If the file has no + * config, that means there wasn't a match for the + * pattern so it should not be removed. + * + * Performance note: `getConfig()` aggressively caches + * results so there is no performance penalty for calling + * it multiple times with the same argument. + */ + if (pathMatches && config) { + unmatchedPatterns.delete(matcher.pattern); + } + + return pathMatches || previousValue; + }, false) + : matchers.some(matcher => matcher.match(entry.path)); + + return matchesPattern && config !== void 0; + }, + }); + + const filePaths = []; + + if (await hfs.isDirectory(basePath)) { + for await (const entry of walk) { + filePaths.push(path.resolve(basePath, entry.path)); + } + } + + // now check to see if we have any unmatched patterns + if (errorOnUnmatchedPattern && unmatchedPatterns.size > 0) { + throw new UnmatchedSearchPatternsError({ + basePath, + unmatchedPatterns: [...unmatchedPatterns].map(pattern => + relativeToPatterns.get(pattern), + ), + patterns, + rawPatterns, + }); + } + + return filePaths; +} + +/** + * Throws an error for unmatched patterns. The error will only contain information about the first one. + * Checks to see if there are any ignored results for a given search. + * @param {Object} options The options for this function. + * @param {string} options.basePath The directory to search. + * @param {Array} options.patterns An array of glob patterns + * that were used in the original search. + * @param {Array} options.rawPatterns An array of glob patterns + * as the user inputted them. Used for errors. + * @param {Array} options.unmatchedPatterns A non-empty array of absolute path glob patterns + * that were unmatched in the original search. + * @returns {Promise} Always throws an error. + * @throws {NoFilesFoundError} If the first unmatched pattern + * doesn't match any files even when there are no ignores. + * @throws {AllFilesIgnoredError} If the first unmatched pattern + * matches some files when there are no ignores. + */ +async function throwErrorForUnmatchedPatterns({ + basePath, + patterns, + rawPatterns, + unmatchedPatterns, +}) { + const pattern = unmatchedPatterns[0]; + const rawPattern = rawPatterns[patterns.indexOf(pattern)]; + + const patternHasMatch = await globMatch({ + basePath, + pattern, + }); + + if (patternHasMatch) { + throw new AllFilesIgnoredError(rawPattern); + } + + // if we get here there are truly no matches + throw new NoFilesFoundError(rawPattern, true); +} + +/** + * Performs multiple glob searches in parallel. + * @param {Object} options The options for this function. + * @param {Map} options.searches + * A map of absolute path glob patterns to match. + * @param {ConfigLoader|LegacyConfigLoader} options.configLoader The config loader to use for + * determining what to ignore. + * @param {boolean} options.errorOnUnmatchedPattern Determines if an + * unmatched glob pattern should throw an error. + * @returns {Promise>} An array of matching file paths + * or an empty array if there are no matches. + */ +async function globMultiSearch({ + searches, + configLoader, + errorOnUnmatchedPattern, +}) { + /* + * For convenience, we normalized the search map into an array of objects. + * Next, we filter out all searches that have no patterns. This happens + * primarily for the cwd, which is prepopulated in the searches map as an + * optimization. However, if it has no patterns, it means all patterns + * occur outside of the cwd and we can safely filter out that search. + */ + const normalizedSearches = [...searches] + .map(([basePath, { patterns, rawPatterns }]) => ({ + basePath, + patterns, + rawPatterns, + })) + .filter(({ patterns }) => patterns.length > 0); + + const results = await Promise.allSettled( + normalizedSearches.map(({ basePath, patterns, rawPatterns }) => + globSearch({ + basePath, + patterns, + rawPatterns, + configLoader, + errorOnUnmatchedPattern, + }), + ), + ); + + /* + * The first loop handles errors from the glob searches. Since we can't + * use `await` inside `flatMap`, we process errors separately in this loop. + * This results in two iterations over `results`, but since the length is + * less than or equal to the number of globs and directories passed on the + * command line, the performance impact should be minimal. + */ + for (let i = 0; i < results.length; i++) { + const result = results[i]; + const currentSearch = normalizedSearches[i]; + + if (result.status === "fulfilled") { + continue; + } + + // if we make it here then there was an error + const error = result.reason; + + // unexpected errors should be re-thrown + if (!error.basePath) { + throw error; + } + + if (errorOnUnmatchedPattern) { + await throwErrorForUnmatchedPatterns({ + ...currentSearch, + unmatchedPatterns: error.unmatchedPatterns, + }); + } + } + + // second loop for `fulfilled` results + return results.flatMap(result => result.value); +} + +/** + * Finds all files matching the options specified. + * @param {Object} args The arguments objects. + * @param {Array} args.patterns An array of glob patterns. + * @param {boolean} args.globInputPaths true to interpret glob patterns, + * false to not interpret glob patterns. + * @param {string} args.cwd The current working directory to find from. + * @param {ConfigLoader|LegacyConfigLoader} args.configLoader The config loader for the current run. + * @param {boolean} args.errorOnUnmatchedPattern Determines if an unmatched pattern + * should throw an error. + * @returns {Promise>} The fully resolved file paths. + * @throws {AllFilesIgnoredError} If there are no results due to an ignore pattern. + * @throws {NoFilesFoundError} If no files matched the given patterns. + */ +async function findFiles({ + patterns, + globInputPaths, + cwd, + configLoader, + errorOnUnmatchedPattern, +}) { + const results = []; + const missingPatterns = []; + let globbyPatterns = []; + let rawPatterns = []; + const searches = new Map([ + [cwd, { patterns: globbyPatterns, rawPatterns: [] }], + ]); + + /* + * This part is a bit involved because we need to account for + * the different ways that the patterns can match directories. + * For each different way, we need to decide if we should look + * for a config file or just use the default config. (Directories + * without a config file always use the default config.) + * + * Here are the cases: + * + * 1. A directory is passed directly (e.g., "subdir"). In this case, we + * can assume that the user intends to lint this directory and we should + * not look for a config file in the parent directory, because the only + * reason to do that would be to ignore this directory (which we already + * know we don't want to do). Instead, we use the default config until we + * get to the directory that was passed, at which point we start looking + * for config files again. + * + * 2. A dot (".") or star ("*"). In this case, we want to read + * the config file in the current directory because the user is + * explicitly asking to lint the current directory. Note that "." + * will traverse into subdirectories while "*" will not. + * + * 3. A directory is passed in the form of "subdir/subsubdir". + * In this case, we don't want to look for a config file in the + * parent directory ("subdir"). We can skip looking for a config + * file until `entry.depth` is greater than 1 because there's no + * way that the pattern can match `entry.path` yet. + * + * 4. A directory glob pattern is passed (e.g., "subd*"). We want + * this case to act like case 2 because it's unclear whether or not + * any particular directory is meant to be traversed. + * + * 5. A recursive glob pattern is passed (e.g., "**"). We want this + * case to act like case 2. + */ + + // check to see if we have explicit files and directories + const filePaths = patterns.map(filePath => path.resolve(cwd, filePath)); + const stats = await Promise.all( + filePaths.map(filePath => fsp.stat(filePath).catch(() => {})), + ); + + const promises = []; + stats.forEach((stat, index) => { + const filePath = filePaths[index]; + const pattern = normalizeToPosix(patterns[index]); + + if (stat) { + // files are added directly to the list + if (stat.isFile()) { + results.push(filePath); + promises.push(configLoader.loadConfigArrayForFile(filePath)); + } + + // directories need extensions attached + if (stat.isDirectory()) { + if (!searches.has(filePath)) { + searches.set(filePath, { patterns: [], rawPatterns: [] }); + } + ({ patterns: globbyPatterns, rawPatterns } = + searches.get(filePath)); + + globbyPatterns.push(`${normalizeToPosix(filePath)}/**`); + rawPatterns.push(pattern); + } + + return; + } + + // save patterns for later use based on whether globs are enabled + if (globInputPaths && isGlobPattern(pattern)) { + /* + * We are grouping patterns by their glob parent. This is done to + * make it easier to determine when a config file should be loaded. + */ + + const basePath = path.resolve(cwd, globParent(pattern)); + + if (!searches.has(basePath)) { + searches.set(basePath, { patterns: [], rawPatterns: [] }); + } + ({ patterns: globbyPatterns, rawPatterns } = + searches.get(basePath)); + + globbyPatterns.push(filePath); + rawPatterns.push(pattern); + } else { + missingPatterns.push(pattern); + } + }); + + // there were patterns that didn't match anything, tell the user + if (errorOnUnmatchedPattern && missingPatterns.length) { + throw new NoFilesFoundError(missingPatterns[0], globInputPaths); + } + + // now we are safe to do the search + promises.push( + globMultiSearch({ + searches, + configLoader, + errorOnUnmatchedPattern, + }), + ); + const globbyResults = (await Promise.all(promises)).at(-1); + + return [...new Set([...results, ...globbyResults])]; +} + +/** + * Return the absolute path of a file named `"__placeholder__.js"` in a given directory. + * This is used as a replacement for a missing file path. + * @param {string} cwd An absolute directory path. + * @returns {string} The absolute path of a file named `"__placeholder__.js"` in the given directory. + */ +function getPlaceholderPath(cwd) { + return path.join(cwd, "__placeholder__.js"); +} + +//----------------------------------------------------------------------------- +// Results-related Helpers +//----------------------------------------------------------------------------- + +/** + * Checks if the given message is an error message. + * @param {LintMessage} message The message to check. + * @returns {boolean} Whether or not the message is an error message. + * @private + */ +function isErrorMessage(message) { + return message.severity === 2; +} + +/** + * Returns result with warning by ignore settings + * @param {string} filePath Absolute file path of checked code + * @param {string} baseDir Absolute path of base directory + * @param {"ignored"|"external"|"unconfigured"} configStatus A status that determines why the file is ignored + * @returns {LintResult} Result with single warning + * @private + */ +function createIgnoreResult(filePath, baseDir, configStatus) { + let message; + + switch (configStatus) { + case "external": + message = "File ignored because outside of base path."; + break; + case "unconfigured": + message = + "File ignored because no matching configuration was supplied."; + break; + default: + { + const isInNodeModules = + baseDir && + path + .dirname(path.relative(baseDir, filePath)) + .split(path.sep) + .includes("node_modules"); + + if (isInNodeModules) { + message = + 'File ignored by default because it is located under the node_modules directory. Use ignore pattern "!**/node_modules/" to disable file ignore settings or use "--no-warn-ignored" to suppress this warning.'; + } else { + message = + 'File ignored because of a matching ignore pattern. Use "--no-ignore" to disable file ignore settings or use "--no-warn-ignored" to suppress this warning.'; + } + } + break; + } + + return { + filePath, + messages: [ + { + ruleId: null, + fatal: false, + severity: 1, + message, + nodeType: null, + }, + ], + suppressedMessages: [], + errorCount: 0, + warningCount: 1, + fatalErrorCount: 0, + fixableErrorCount: 0, + fixableWarningCount: 0, + }; +} + +/** + * It will calculate the error and warning count for collection of messages per file + * @param {LintMessage[]} messages Collection of messages + * @returns {Object} Contains the stats + * @private + */ +function calculateStatsPerFile(messages) { + const stat = { + errorCount: 0, + fatalErrorCount: 0, + warningCount: 0, + fixableErrorCount: 0, + fixableWarningCount: 0, + }; + + for (let i = 0; i < messages.length; i++) { + const message = messages[i]; + + if (message.fatal || message.severity === 2) { + stat.errorCount++; + if (message.fatal) { + stat.fatalErrorCount++; + } + if (message.fix) { + stat.fixableErrorCount++; + } + } else { + stat.warningCount++; + if (message.fix) { + stat.fixableWarningCount++; + } + } + } + return stat; +} + +//----------------------------------------------------------------------------- +// Options-related Helpers +//----------------------------------------------------------------------------- + +/** + * Check if a given value is a valid fix type or not. + * @param {any} x The value to check. + * @returns {boolean} `true` if `x` is valid fix type. + */ +function isFixType(x) { + return ( + x === "directive" || + x === "problem" || + x === "suggestion" || + x === "layout" + ); +} + +/** + * Check if a given value is an array of fix types or not. + * @param {any} x The value to check. + * @returns {boolean} `true` if `x` is an array of fix types. + */ +function isFixTypeArray(x) { + return Array.isArray(x) && x.every(isFixType); +} + +/** + * The error for invalid options. + */ +class ESLintInvalidOptionsError extends Error { + constructor(messages) { + super(`Invalid Options:\n- ${messages.join("\n- ")}`); + this.code = "ESLINT_INVALID_OPTIONS"; + Error.captureStackTrace(this, ESLintInvalidOptionsError); + } +} + +/** + * Validates and normalizes options for the wrapped CLIEngine instance. + * @param {ESLintOptions} options The options to process. + * @throws {ESLintInvalidOptionsError} If of any of a variety of type errors. + * @returns {ESLintOptions} The normalized options. + */ +function processOptions({ + allowInlineConfig = true, // ← we cannot use `overrideConfig.noInlineConfig` instead because `allowInlineConfig` has side-effect that suppress warnings that show inline configs are ignored. + baseConfig = null, + cache = false, + cacheLocation = ".eslintcache", + cacheStrategy = "metadata", + concurrency = "off", + cwd = process.cwd(), + errorOnUnmatchedPattern = true, + fix = false, + fixTypes = null, // ← should be null by default because if it's an array then it suppresses rules that don't have the `meta.type` property. + flags = [], + globInputPaths = true, + ignore = true, + ignorePatterns = null, + overrideConfig = null, + overrideConfigFile = null, + plugins = {}, + stats = false, + warnIgnored = true, + passOnNoPatterns = false, + ruleFilter = () => true, + ...unknownOptions +}) { + const errors = []; + const unknownOptionKeys = Object.keys(unknownOptions); + + if (unknownOptionKeys.length >= 1) { + errors.push(`Unknown options: ${unknownOptionKeys.join(", ")}`); + if (unknownOptionKeys.includes("cacheFile")) { + errors.push( + "'cacheFile' has been removed. Please use the 'cacheLocation' option instead.", + ); + } + if (unknownOptionKeys.includes("configFile")) { + errors.push( + "'configFile' has been removed. Please use the 'overrideConfigFile' option instead.", + ); + } + if (unknownOptionKeys.includes("envs")) { + errors.push("'envs' has been removed."); + } + if (unknownOptionKeys.includes("extensions")) { + errors.push("'extensions' has been removed."); + } + if (unknownOptionKeys.includes("resolvePluginsRelativeTo")) { + errors.push("'resolvePluginsRelativeTo' has been removed."); + } + if (unknownOptionKeys.includes("globals")) { + errors.push( + "'globals' has been removed. Please use the 'overrideConfig.languageOptions.globals' option instead.", + ); + } + if (unknownOptionKeys.includes("ignorePath")) { + errors.push("'ignorePath' has been removed."); + } + if (unknownOptionKeys.includes("ignorePattern")) { + errors.push( + "'ignorePattern' has been removed. Please use the 'overrideConfig.ignorePatterns' option instead.", + ); + } + if (unknownOptionKeys.includes("parser")) { + errors.push( + "'parser' has been removed. Please use the 'overrideConfig.languageOptions.parser' option instead.", + ); + } + if (unknownOptionKeys.includes("parserOptions")) { + errors.push( + "'parserOptions' has been removed. Please use the 'overrideConfig.languageOptions.parserOptions' option instead.", + ); + } + if (unknownOptionKeys.includes("rules")) { + errors.push( + "'rules' has been removed. Please use the 'overrideConfig.rules' option instead.", + ); + } + if (unknownOptionKeys.includes("rulePaths")) { + errors.push( + "'rulePaths' has been removed. Please define your rules using plugins.", + ); + } + if (unknownOptionKeys.includes("reportUnusedDisableDirectives")) { + errors.push( + "'reportUnusedDisableDirectives' has been removed. Please use the 'overrideConfig.linterOptions.reportUnusedDisableDirectives' option instead.", + ); + } + } + if (typeof allowInlineConfig !== "boolean") { + errors.push("'allowInlineConfig' must be a boolean."); + } + if (typeof baseConfig !== "object") { + errors.push("'baseConfig' must be an object or null."); + } + if (typeof cache !== "boolean") { + errors.push("'cache' must be a boolean."); + } + if (!isNonEmptyString(cacheLocation)) { + errors.push("'cacheLocation' must be a non-empty string."); + } + if (cacheStrategy !== "metadata" && cacheStrategy !== "content") { + errors.push('\'cacheStrategy\' must be any of "metadata", "content".'); + } + if ( + concurrency !== "off" && + concurrency !== "auto" && + !isPositiveInteger(concurrency) + ) { + errors.push( + '\'concurrency\' must be a positive integer, "auto", or "off".', + ); + } + if (!isNonEmptyString(cwd) || !path.isAbsolute(cwd)) { + errors.push("'cwd' must be an absolute path."); + } + if (typeof errorOnUnmatchedPattern !== "boolean") { + errors.push("'errorOnUnmatchedPattern' must be a boolean."); + } + if (typeof fix !== "boolean" && typeof fix !== "function") { + errors.push("'fix' must be a boolean or a function."); + } + if (fixTypes !== null && !isFixTypeArray(fixTypes)) { + errors.push( + '\'fixTypes\' must be an array of any of "directive", "problem", "suggestion", and "layout".', + ); + } + if (!isEmptyArrayOrArrayOfNonEmptyString(flags)) { + errors.push("'flags' must be an array of non-empty strings."); + } + if (typeof globInputPaths !== "boolean") { + errors.push("'globInputPaths' must be a boolean."); + } + if (typeof ignore !== "boolean") { + errors.push("'ignore' must be a boolean."); + } + if ( + !isEmptyArrayOrArrayOfNonEmptyString(ignorePatterns) && + ignorePatterns !== null + ) { + errors.push( + "'ignorePatterns' must be an array of non-empty strings or null.", + ); + } + if (typeof overrideConfig !== "object") { + errors.push("'overrideConfig' must be an object or null."); + } + if ( + !isNonEmptyString(overrideConfigFile) && + overrideConfigFile !== null && + overrideConfigFile !== true + ) { + errors.push( + "'overrideConfigFile' must be a non-empty string, null, or true.", + ); + } + if (typeof passOnNoPatterns !== "boolean") { + errors.push("'passOnNoPatterns' must be a boolean."); + } + if (typeof plugins !== "object") { + errors.push("'plugins' must be an object or null."); + } else if (plugins !== null && Object.keys(plugins).includes("")) { + errors.push("'plugins' must not include an empty string."); + } + if (Array.isArray(plugins)) { + errors.push( + "'plugins' doesn't add plugins to configuration to load. Please use the 'overrideConfig.plugins' option instead.", + ); + } + if (typeof stats !== "boolean") { + errors.push("'stats' must be a boolean."); + } + if (typeof warnIgnored !== "boolean") { + errors.push("'warnIgnored' must be a boolean."); + } + if (typeof ruleFilter !== "function") { + errors.push("'ruleFilter' must be a function."); + } + if (errors.length > 0) { + throw new ESLintInvalidOptionsError(errors); + } + + return { + allowInlineConfig, + baseConfig, + cache, + cacheLocation, + cacheStrategy, + concurrency, + + // when overrideConfigFile is true that means don't do config file lookup + configFile: overrideConfigFile === true ? false : overrideConfigFile, + overrideConfig, + cwd: path.normalize(cwd), + errorOnUnmatchedPattern, + fix, + fixTypes, + flags: [...flags], + globInputPaths, + ignore, + ignorePatterns, + stats, + passOnNoPatterns, + warnIgnored, + ruleFilter, + }; +} + +/** + * Loads ESLint constructor options from an options module. + * @param {string} optionsURL The URL string of the options module to load. + * @returns {Promise} ESLint constructor options. + */ +async function loadOptionsFromModule(optionsURL) { + return (await import(optionsURL)).default; +} + +//----------------------------------------------------------------------------- +// Cache-related helpers +//----------------------------------------------------------------------------- + +/** + * return the cacheFile to be used by eslint, based on whether the provided parameter is + * a directory or looks like a directory (ends in `path.sep`), in which case the file + * name will be the `cacheFile/.cache_hashOfCWD` + * + * if cacheFile points to a file or looks like a file then in will just use that file + * @param {string} cacheFile The name of file to be used to store the cache + * @param {string} cwd Current working directory + * @param {Object} options The options + * @param {string} [options.prefix] The prefix to use for the cache file + * @returns {string} the resolved path to the cache file + */ +function getCacheFile(cacheFile, cwd, { prefix = ".cache_" } = {}) { + /* + * make sure the path separators are normalized for the environment/os + * keeping the trailing path separator if present + */ + const normalizedCacheFile = path.normalize(cacheFile); + + const resolvedCacheFile = path.resolve(cwd, normalizedCacheFile); + const looksLikeADirectory = normalizedCacheFile.slice(-1) === path.sep; + + /** + * return the name for the cache file in case the provided parameter is a directory + * @returns {string} the resolved path to the cacheFile + */ + function getCacheFileForDirectory() { + return path.join(resolvedCacheFile, `${prefix}${hash(cwd)}`); + } + + let fileStats; + + try { + fileStats = fs.lstatSync(resolvedCacheFile); + } catch { + fileStats = null; + } + + /* + * in case the file exists we need to verify if the provided path + * is a directory or a file. If it is a directory we want to create a file + * inside that directory + */ + if (fileStats) { + /* + * is a directory or is a file, but the original file the user provided + * looks like a directory but `path.resolve` removed the `last path.sep` + * so we need to still treat this like a directory + */ + if (fileStats.isDirectory() || looksLikeADirectory) { + return getCacheFileForDirectory(); + } + + // is file so just use that file + return resolvedCacheFile; + } + + /* + * here we known the file or directory doesn't exist, + * so we will try to infer if its a directory if it looks like a directory + * for the current operating system. + */ + + // if the last character passed is a path separator we assume is a directory + if (looksLikeADirectory) { + return getCacheFileForDirectory(); + } + + return resolvedCacheFile; +} + +/** + * Creates a new lint result cache. + * @param {ESLintOptions} eslintOptions The processed ESLint options. + * @param {string} cacheFilePath The path to the cache file. + * @returns {?LintResultCache} A new lint result cache or `null`. + */ +function createLintResultCache({ cache, cacheStrategy }, cacheFilePath) { + return cache ? new LintResultCache(cacheFilePath, cacheStrategy) : null; +} + +//----------------------------------------------------------------------------- +// Lint helpers +//----------------------------------------------------------------------------- + +/** + * Checks whether a message's rule type should be fixed. + * @param {LintMessage} message The message to check. + * @param {CalculatedConfig} config The config for the file that generated the message. + * @param {string[]} fixTypes An array of fix types to check. + * @returns {boolean} Whether the message should be fixed. + */ +function shouldMessageBeFixed(message, config, fixTypes) { + if (!message.ruleId) { + return fixTypes.has("directive"); + } + + const rule = message.ruleId && config.getRuleDefinition(message.ruleId); + + return Boolean(rule && rule.meta && fixTypes.has(rule.meta.type)); +} + +/** + * Creates a fixer function based on the provided fix, fixTypesSet, and config. + * @param {Function|boolean} fix The original fix option. + * @param {Set} fixTypesSet A set of fix types to filter messages for fixing. + * @param {CalculatedConfig} config The config for the file that generated the message. + * @returns {Function|boolean} The fixer function or the original fix value. + */ +function getFixerForFixTypes(fix, fixTypesSet, config) { + if (!fix || !fixTypesSet) { + return fix; + } + + const originalFix = typeof fix === "function" ? fix : () => true; + + return message => + shouldMessageBeFixed(message, config, fixTypesSet) && + originalFix(message); +} + +/** + * Processes a source code using ESLint. + * @param {Object} config The config object. + * @param {string} config.text The source code to verify. + * @param {string} config.cwd The path to the current working directory. + * @param {string|undefined} config.filePath The path to the file of `text`. If this is undefined, it uses ``. + * @param {FlatConfigArray} config.configs The config. + * @param {boolean} config.fix If `true` then it does fix. + * @param {boolean} config.allowInlineConfig If `true` then it uses directive comments. + * @param {Function} config.ruleFilter A predicate function to filter which rules should be run. + * @param {boolean} config.stats If `true`, then if reports extra statistics with the lint results. + * @param {Linter} config.linter The linter instance to verify. + * @returns {LintResult} The result of linting. + * @private + */ +function verifyText({ + text, + cwd, + filePath: providedFilePath, + configs, + fix, + allowInlineConfig, + ruleFilter, + stats, + linter, +}) { + const startTime = hrtimeBigint(); + + const filePath = providedFilePath || ""; + + /* + * Verify. + * `config.extractConfig(filePath)` requires an absolute path, but `linter` + * doesn't know CWD, so it gives `linter` an absolute path always. + */ + const filePathToVerify = + filePath === "" ? getPlaceholderPath(cwd) : filePath; + const { fixed, messages, output } = linter.verifyAndFix(text, configs, { + allowInlineConfig, + filename: filePathToVerify, + fix, + ruleFilter, + stats, + + /** + * Check if the linter should adopt a given code block or not. + * @param {string} blockFilename The virtual filename of a code block. + * @returns {boolean} `true` if the linter should adopt the code block. + */ + filterCodeBlock(blockFilename) { + return configs.getConfig(blockFilename) !== void 0; + }, + }); + + // Tweak and return. + const result = { + filePath: filePath === "" ? filePath : path.resolve(filePath), + messages, + suppressedMessages: linter.getSuppressedMessages(), + ...calculateStatsPerFile(messages), + }; + + if (fixed) { + result.output = output; + } + + if ( + result.errorCount + result.warningCount > 0 && + typeof result.output === "undefined" + ) { + result.source = text; + } + + if (stats) { + result.stats = { + times: linter.getTimes(), + fixPasses: linter.getFixPassCount(), + }; + } + + const endTime = hrtimeBigint(); + debug('File "%s" linted in %t', filePath, endTime - startTime); + + return result; +} + +/** + * Lints a single file. + * @param {string} filePath File path to lint. + * @param {FlatConfigArray} configs The config array for the file. + * @param {ESLintOptions} eslintOptions The processed ESLint options. + * @param {Linter} linter The linter instance to use. + * @param {?LintResultCache} lintResultCache The result cache or `null`. + * @param {?{ duration: bigint; }} readFileCounter Used to keep track of the time spent reading files. + * @param {Retrier} [retrier] Used to retry linting on certain errors. + * @param {AbortController} [controller] Used to stop linting when an error occurs. + * @returns {Promise} The lint result. + */ +async function lintFile( + filePath, + configs, + eslintOptions, + linter, + lintResultCache, + readFileCounter, + retrier, + controller, +) { + const config = configs.getConfig(filePath); + const { + allowInlineConfig, + cwd, + fix, + fixTypes, + ruleFilter, + stats, + warnIgnored, + } = eslintOptions; + const fixTypesSet = fixTypes ? new Set(fixTypes) : null; + + /* + * If a filename was entered that cannot be matched + * to a config, then notify the user. + */ + if (!config) { + if (warnIgnored) { + const configStatus = configs.getConfigStatus(filePath); + + return createIgnoreResult(filePath, cwd, configStatus); + } + + return void 0; + } + + // Skip if there is cached result. + if (lintResultCache) { + const cachedResult = lintResultCache.getCachedLintResults( + filePath, + config, + ); + + if (cachedResult) { + const hadMessages = + cachedResult.messages && cachedResult.messages.length > 0; + + if (hadMessages && fix) { + debug(`Reprocessing cached file to allow autofix: ${filePath}`); + } else { + debug(`Skipping file since it hasn't changed: ${filePath}`); + return cachedResult; + } + } + } + + // set up fixer for fixTypes if necessary + const fixer = getFixerForFixTypes(fix, fixTypesSet, config); + + /** + * Reads the file and lints its content. + * @returns {Promise} A lint result. + */ + async function readAndVerifyFile() { + const readFileEnterTime = hrtimeBigint(); + const text = await fsp.readFile(filePath, { + encoding: "utf8", + signal: controller?.signal, + }); + const readFileExitTime = hrtimeBigint(); + const readFileDuration = readFileExitTime - readFileEnterTime; + debug('File "%s" read in %t', filePath, readFileDuration); + if (readFileCounter) { + readFileCounter.duration += readFileDuration; + } + + // fail immediately if an error occurred in another file + controller?.signal.throwIfAborted(); + + // do the linting + return verifyText({ + text, + filePath, + configs, + cwd, + fix: fixer, + allowInlineConfig, + ruleFilter, + stats, + linter, + }); + } + + // Use the retrier if provided, otherwise just call the function. + const readAndVerifyFilePromise = retrier + ? retrier.retry(readAndVerifyFile, { signal: controller?.signal }) + : readAndVerifyFile(); + + return readAndVerifyFilePromise.catch(error => { + controller?.abort(error); + throw error; + }); +} + +/** + * Retrieves flags from the environment variable ESLINT_FLAGS. + * @param {string[]} flags The flags defined via the API. + * @returns {string[]} The merged flags to use. + */ +function mergeEnvironmentFlags(flags) { + if (!process.env.ESLINT_FLAGS) { + return flags; + } + + const envFlags = process.env.ESLINT_FLAGS.trim().split(/\s*,\s*/gu); + return Array.from(new Set([...envFlags, ...flags])); +} + +/** + * Creates a new linter instance. + * @param {ESLintOptions} eslintOptions The processed ESLint options. + * @param {WarningService} warningService The warning service to use. + * @returns {Linter} The linter instance. + */ +function createLinter({ cwd, flags }, warningService) { + return new Linter({ + configType: "flat", + cwd, + flags: mergeEnvironmentFlags(flags), + warningService, + }); +} + +/** + * Creates default configs with the specified plugins. + * @param {Record | undefined} optionPlugins The plugins specified in the ESLint options. + * @returns {Config[]} The default configs. + */ +function createDefaultConfigs(optionPlugins) { + const defaultConfigs = []; + + // Add plugins + if (optionPlugins) { + const plugins = {}; + + for (const [pluginName, plugin] of Object.entries(optionPlugins)) { + plugins[getShorthandName(pluginName, "eslint-plugin")] = plugin; + } + + defaultConfigs.push({ plugins }); + } + + return defaultConfigs; +} + +/** + * Creates a config loader. + * @param {ESLintOptions} eslintOptions The processed ESLint options. + * @param {Config[]} defaultConfigs The default configs. + * @param {Linter} linter The linter instance. + * @param {WarningService} warningService The warning service to use. + * @returns {ConfigLoader} The config loader. + */ +function createConfigLoader( + { + cwd, + baseConfig, + overrideConfig, + configFile, + ignore: ignoreEnabled, + ignorePatterns, + }, + defaultConfigs, + linter, + warningService, +) { + const configLoaderOptions = { + cwd, + baseConfig, + overrideConfig, + configFile, + ignoreEnabled, + ignorePatterns, + defaultConfigs, + hasUnstableNativeNodeJsTSConfigFlag: linter.hasFlag( + "unstable_native_nodejs_ts_config", + ), + warningService, + }; + + return linter.hasFlag("v10_config_lookup_from_file") + ? new ConfigLoader(configLoaderOptions) + : new LegacyConfigLoader(configLoaderOptions); +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +module.exports = { + createDebug, + + findFiles, + + isNonEmptyString, + isArrayOfNonEmptyString, + + createIgnoreResult, + isErrorMessage, + calculateStatsPerFile, + getPlaceholderPath, + + processOptions, + loadOptionsFromModule, + + getCacheFile, + createLintResultCache, + + getFixerForFixTypes, + verifyText, + lintFile, + createLinter, + createDefaultConfigs, + createConfigLoader, +}; diff --git a/module/node_modules/eslint/lib/eslint/eslint.js b/module/node_modules/eslint/lib/eslint/eslint.js new file mode 100644 index 000000000..92e90b3e2 --- /dev/null +++ b/module/node_modules/eslint/lib/eslint/eslint.js @@ -0,0 +1,1362 @@ +/** + * @fileoverview Main class using flat config + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { existsSync } = require("node:fs"); +const fs = require("node:fs/promises"); +const os = require("node:os"); +const path = require("node:path"); +const { pathToFileURL } = require("node:url"); +const { SHARE_ENV, Worker } = require("node:worker_threads"); +const { version } = require("../../package.json"); +const { defaultConfig } = require("../config/default-config"); +const timing = require("../linter/timing"); + +const { + createDebug, + + findFiles, + getCacheFile, + + isNonEmptyString, + isArrayOfNonEmptyString, + + createIgnoreResult, + isErrorMessage, + getPlaceholderPath, + + processOptions, + loadOptionsFromModule, + + getFixerForFixTypes, + verifyText, + lintFile, + createLinter, + createLintResultCache, + createDefaultConfigs, + createConfigLoader, +} = require("./eslint-helpers"); +const { Retrier } = require("@humanwhocodes/retry"); +const { ConfigLoader } = require("../config/config-loader"); +const { WarningService } = require("../services/warning-service"); +const { Config } = require("../config/config.js"); +const { + getShorthandName, + getNamespaceFromTerm, + normalizePackageName, +} = require("../shared/naming.js"); +const { resolve } = require("../shared/relative-module-resolver.js"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +// For VSCode IntelliSense +/** + * @import { Config as CalculatedConfig } from "../config/config.js"; + * @import { FlatConfigArray } from "../config/flat-config-array.js"; + * @import { RuleDefinition, RulesMeta } from "@eslint/core"; + * @import { WorkerLintResults } from "./worker.js"; + */ + +/** @typedef {import("../types").Linter.Config} Config */ +/** @typedef {import("../types").ESLint.DeprecatedRuleUse} DeprecatedRuleInfo */ +/** @typedef {import("../types").ESLint.LintResult} LintResult */ +/** @typedef {import("../types").ESLint.Plugin} Plugin */ +/** @typedef {import("../types").ESLint.ResultsMeta} ResultsMeta */ + +/** + * The options with which to configure the ESLint instance. + * @typedef {Object} ESLintOptions + * @property {boolean} [allowInlineConfig] Enable or disable inline configuration comments. + * @property {Config|Array} [baseConfig] Base config, extended by all configs used with this instance + * @property {boolean} [cache] Enable result caching. + * @property {string} [cacheLocation] The cache file to use instead of .eslintcache. + * @property {"metadata" | "content"} [cacheStrategy] The strategy used to detect changed files. + * @property {number | "auto" | "off"} [concurrency] Maximum number of linting threads, "auto" to choose automatically, "off" for no multithreading. + * @property {string} [cwd] The value to use for the current working directory. + * @property {boolean} [errorOnUnmatchedPattern] If `false` then `ESLint#lintFiles()` doesn't throw even if no target files found. Defaults to `true`. + * @property {boolean|Function} [fix] Execute in autofix mode. If a function, should return a boolean. + * @property {string[]} [fixTypes] Array of rule types to apply fixes for. + * @property {string[]} [flags] Array of feature flags to enable. + * @property {boolean} [globInputPaths] Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file. + * @property {boolean} [ignore] False disables all ignore patterns except for the default ones. + * @property {string[]} [ignorePatterns] Ignore file patterns to use in addition to config ignores. These patterns are relative to `cwd`. + * @property {Config|Array} [overrideConfig] Override config, overrides all configs used with this instance + * @property {boolean|string} [overrideConfigFile] Searches for default config file when falsy; + * doesn't do any config file lookup when `true`; considered to be a config filename + * when a string. + * @property {boolean} [passOnNoPatterns=false] When set to true, missing patterns cause + * the linting operation to short circuit and not report any failures. + * @property {Record} [plugins] An array of plugin implementations. + * @property {boolean} [stats] True enables added statistics on lint results. + * @property {boolean} [warnIgnored] Show warnings when the file list includes ignored files + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const hrtimeBigint = process.hrtime.bigint; + +const debug = createDebug("eslint:eslint"); +const privateMembers = new WeakMap(); +const removedFormatters = new Set([ + "checkstyle", + "codeframe", + "compact", + "jslint-xml", + "junit", + "table", + "tap", + "unix", + "visualstudio", +]); +const fileRetryCodes = new Set(["ENFILE", "EMFILE"]); + +/** + * Create rulesMeta object. + * @param {Map} rules a map of rules from which to generate the object. + * @returns {Record} metadata for all enabled rules. + */ +function createRulesMeta(rules) { + return Array.from(rules).reduce((retVal, [id, rule]) => { + retVal[id] = rule.meta; + return retVal; + }, {}); +} + +/** @type {WeakMap} */ +const usedDeprecatedRulesCache = new WeakMap(); + +/** + * Create used deprecated rule list. + * @param {ESLint} eslint The ESLint instance. + * @param {string} maybeFilePath The absolute path to a lint target file or `""`. + * @returns {DeprecatedRuleInfo[]} The used deprecated rule list. + */ +function getOrFindUsedDeprecatedRules(eslint, maybeFilePath) { + const { + options: { cwd }, + configLoader, + } = privateMembers.get(eslint); + const filePath = path.isAbsolute(maybeFilePath) + ? maybeFilePath + : getPlaceholderPath(cwd); + const configs = configLoader.getCachedConfigArrayForFile(filePath); + const config = configs.getConfig(filePath); + + // Most files use the same config, so cache it. + if (config && !usedDeprecatedRulesCache.has(config)) { + const retv = []; + + if (config.rules) { + for (const [ruleId, ruleConf] of Object.entries(config.rules)) { + if (Config.getRuleNumericSeverity(ruleConf) === 0) { + continue; + } + const rule = config.getRuleDefinition(ruleId); + const meta = rule && rule.meta; + + if (meta && meta.deprecated) { + const usesNewFormat = typeof meta.deprecated === "object"; + + retv.push({ + ruleId, + replacedBy: usesNewFormat + ? (meta.deprecated.replacedBy?.map( + replacement => + `${replacement.plugin?.name !== void 0 ? `${getShorthandName(replacement.plugin.name, "eslint-plugin")}/` : ""}${replacement.rule?.name ?? ""}`, + ) ?? []) + : meta.replacedBy || [], + info: usesNewFormat ? meta.deprecated : void 0, + }); + } + } + } + + usedDeprecatedRulesCache.set(config, Object.freeze(retv)); + } + + return config ? usedDeprecatedRulesCache.get(config) : Object.freeze([]); +} + +/** + * Processes the linting results generated by a CLIEngine linting report to + * match the ESLint class's API. + * @param {ESLint} eslint The ESLint instance. + * @param {LintResult[]} results The linting results to process. + * @returns {LintResult[]} The processed linting results. + */ +function processLintReport(eslint, results) { + const descriptor = { + configurable: true, + enumerable: true, + get() { + return getOrFindUsedDeprecatedRules(eslint, this.filePath); + }, + }; + + for (const result of results) { + Object.defineProperty(result, "usedDeprecatedRules", descriptor); + } + + return results; +} + +/** + * An Array.prototype.sort() compatible compare function to order results by their file path. + * @param {LintResult} a The first lint result. + * @param {LintResult} b The second lint result. + * @returns {number} An integer representing the order in which the two results should occur. + */ +function compareResultsByFilePath(a, b) { + if (a.filePath < b.filePath) { + return -1; + } + + if (a.filePath > b.filePath) { + return 1; + } + + return 0; +} + +/** + * Determines which config file to use. This is determined by seeing if an + * override config file was passed, and if so, using it; otherwise, as long + * as override config file is not explicitly set to `false`, it will search + * upwards from the cwd for a file named `eslint.config.js`. + * + * This function is used primarily by the `--inspect-config` option. For now, + * we will maintain the existing behavior, which is to search up from the cwd. + * @param {ESLintOptions} options The ESLint instance options. + * @returns {Promise<{configFilePath:string|undefined;basePath:string}>} Location information for + * the config file. + */ +async function locateConfigFileToUse({ configFile, cwd }) { + const configLoader = new ConfigLoader({ + cwd, + configFile, + }); + + const configFilePath = await configLoader.findConfigFileForPath( + path.join(cwd, "__placeholder__.js"), + ); + + if (!configFilePath) { + throw new Error("No ESLint configuration file was found."); + } + + return { + configFilePath, + basePath: configFile ? cwd : path.dirname(configFilePath), + }; +} + +/** + * Creates an error to be thrown when an array of results passed to `getRulesMetaForResults` was not created by the current engine. + * @param {Error|undefined} cause The original error that led to this symptom error being thrown. Might not always be available. + * @returns {TypeError} An error object. + */ +function createExtraneousResultsError(cause) { + return new TypeError( + "Results object was not created from this ESLint instance.", + { + cause, + }, + ); +} + +/** + * Maximum number of files assumed to be best handled by one worker thread. + * This value is a heuristic estimation that can be adjusted if required. + */ +const AUTO_FILES_PER_WORKER = 50; + +/** + * Calculates the number of worker threads to run for "auto" concurrency depending on the number of + * files that need to be processed. + * + * The number of worker threads is calculated as the number of files that need to be processed + * (`processableFileCount`) divided by the number of files assumed to be best handled by one worker + * thread (`AUTO_FILES_PER_WORKER`), rounded up to the next integer. + * Two adjustments are made to this calculation: first, the number of workers is capped at half the + * number of available CPU cores (`maxWorkers`); second, a value of 1 is converted to 0. + * The following table shows the relationship between the number of files to be processed and the + * number of workers: + * + * Files to be processed | Workers + * -------------------------------------------------------------------|----------------- + * 0 | 0 + * 1, 2, …, AUTO_FILES_PER_WORKER | 0 (there's no 1) + * AUTO_FILES_PER_WORKER + 1, …, AUTO_FILES_PER_WORKER * 2 | 2 + * AUTO_FILES_PER_WORKER * 2 + 1, …, AUTO_FILES_PER_WORKER * 3 | 3 + * ⋯ | ⋯ + * AUTO_FILES_PER_WORKER * (𝑛 - 1) + 1, …, AUTO_FILES_PER_WORKER * 𝑛 | 𝑛 + * ⋯ | ⋯ + * AUTO_FILES_PER_WORKER * (maxWorkers - 1) + 1, … | maxWorkers + * + * The number of files to be processed should be determined by the calling function. + * @param {number} processableFileCount The number of files that need to be processed. + * @param {number} maxWorkers The maximum number of workers to run. + * @returns {number} The number of worker threads to run. + */ +function getWorkerCountFor(processableFileCount, maxWorkers) { + let workerCount = Math.ceil(processableFileCount / AUTO_FILES_PER_WORKER); + if (workerCount > maxWorkers) { + workerCount = maxWorkers; + } + if (workerCount <= 1) { + workerCount = 0; + } + return workerCount; +} + +/** + * Returns true if a file has no valid cached results or if it needs to be reprocessed because there are violations that may need fixing. + * This function will access the filesystem. + * @param {LintResultCache} lintResultCache The lint result cache. + * @param {boolean} fix The fix option. + * @param {string} filePath The file for which to retrieve lint results. + * @param {Config} config The config of the file. + * @returns {boolean} True if the file needs to be reprocessed. + */ +function needsReprocessing(lintResultCache, fix, filePath, config) { + const results = lintResultCache.getValidCachedLintResults(filePath, config); + + // This reflects the reprocessing logic of the `lintFile` helper function. + return !results || (fix && results.messages && results.messages.length > 0); +} + +/** + * Calculates the number of worker threads to run for "auto" concurrency. + * + * The number of worker threads depends on the number files that need to be processed. + * Typically, this includes all non-ignored files. + * In a cached run with "metadata" strategy, files with a valid cached result aren't counted. + * @param {ESLint} eslint ESLint instance. + * @param {string[]} filePaths File paths to lint. + * @param {number} maxWorkers The maximum number of workers to run. + * @returns {number} The number of worker threads to run for "auto" concurrency. + */ +function calculateAutoWorkerCount(eslint, filePaths, maxWorkers) { + const startTime = hrtimeBigint(); + const { + configLoader, + lintResultCache, + options: { cacheStrategy, fix }, + } = privateMembers.get(eslint); + /** True if cache is not used or if strategy is "content". */ + const countAllMatched = !lintResultCache || cacheStrategy === "content"; + + let processableFileCount = 0; + let remainingFiles = filePaths.length; + + /** The number of workers if none of the remaining files were to be counted. */ + let lowWorkerCount = 0; + + /* + * Rather than counting all files to be processed in advance, we stop iterating as soon as we reach + * a point where adding more files doesn't change the number of workers anymore. + */ + for (const filePath of filePaths) { + /** The number of workers if all of the remaining files were to be counted. */ + const highWorkerCount = getWorkerCountFor( + processableFileCount + remainingFiles, + maxWorkers, + ); + if (lowWorkerCount >= highWorkerCount) { + // The highest possible number of workers has been reached, so stop counting. + break; + } + remainingFiles--; + const configs = configLoader.getCachedConfigArrayForFile(filePath); + const config = configs.getConfig(filePath); + if (!config) { + // file is ignored + continue; + } + if ( + countAllMatched || + needsReprocessing(lintResultCache, fix, filePath, config) + ) { + processableFileCount++; + lowWorkerCount = getWorkerCountFor( + processableFileCount, + maxWorkers, + ); + } + } + debug( + "%d file(s) to process counted in %t", + processableFileCount, + hrtimeBigint() - startTime, + ); + return lowWorkerCount; +} + +/** + * Calculates the number of workers to run based on the concurrency setting and the number of files to lint. + * @param {ESLint} eslint The ESLint instance. + * @param {string[]} filePaths File paths to lint. + * @param {{ availableParallelism: () => number }} [os] Node.js `os` module, or a mock for testing. + * @returns {number} The effective number of worker threads to be started. A value of zero disables multithread linting. + */ +function calculateWorkerCount( + eslint, + filePaths, + { availableParallelism } = os, +) { + const { concurrency } = privateMembers.get(eslint).options; + switch (concurrency) { + case "off": + return 0; + case "auto": { + const maxWorkers = availableParallelism() >> 1; + return calculateAutoWorkerCount(eslint, filePaths, maxWorkers); + } + default: { + const workerCount = Math.min(concurrency, filePaths.length); + return workerCount > 1 ? workerCount : 0; + } + } +} + +// Used internally. Do not expose. +const disableCloneabilityCheck = Symbol( + "Do not check for uncloneable options.", +); + +/** + * The smallest net linting ratio that doesn't trigger a poor concurrency warning. + * The net linting ratio is defined as the net linting duration divided by the thread's total runtime, + * where the net linting duration is the total linting time minus the time spent on I/O-intensive operations: + * **Net Linting Ratio** = (**Linting Time** – **I/O Time**) / **Thread Runtime**. + * - **Linting Time**: Total time spent linting files + * - **I/O Time**: Portion of linting time spent loading configs and reading files + * - **Thread Runtime**: End-to-end execution time of the thread + * + * This value is a heuristic estimation that can be adjusted if required. + */ +const LOW_NET_LINTING_RATIO = 0.7; + +/** + * Runs worker threads to lint files. + * @param {string[]} filePaths File paths to lint. + * @param {number} workerCount The number of worker threads to run. + * @param {ESLintOptions | string} eslintOptionsOrURL The unprocessed ESLint options or the URL of the options module. + * @param {() => void} warnOnLowNetLintingRatio A function to call if the net linting ratio is low. + * @returns {Promise} Lint results. + */ +async function runWorkers( + filePaths, + workerCount, + eslintOptionsOrURL, + warnOnLowNetLintingRatio, +) { + const fileCount = filePaths.length; + const results = Array(fileCount); + const workerURL = pathToFileURL(path.join(__dirname, "./worker.js")); + const filePathIndexArray = new Uint32Array( + new SharedArrayBuffer(Uint32Array.BYTES_PER_ELEMENT), + ); + const abortController = new AbortController(); + const abortSignal = abortController.signal; + const workerOptions = { + env: SHARE_ENV, + workerData: { + eslintOptionsOrURL, + filePathIndexArray, + filePaths, + }, + }; + + let worstNetLintingRatio = 1; + + /** + * A promise executor function that starts a worker thread on each invocation. + * @param {() => void} resolve_ Called when the worker thread terminates successfully. + * @param {(error: Error) => void} reject Called when the worker thread terminates with an error. + * @returns {void} + */ + function workerExecutor(resolve_, reject) { + const workerStartTime = hrtimeBigint(); + const worker = new Worker(workerURL, workerOptions); + worker.once( + "message", + (/** @type {WorkerLintResults} */ indexedResults) => { + const workerDuration = hrtimeBigint() - workerStartTime; + + // The net linting ratio provides an approximate measure of worker thread efficiency, defined as the net linting duration divided by the thread's total runtime. + const netLintingRatio = + Number(indexedResults.netLintingDuration) / + Number(workerDuration); + + worstNetLintingRatio = Math.min( + worstNetLintingRatio, + netLintingRatio, + ); + + if (timing.enabled && indexedResults.timings) { + timing.mergeData(indexedResults.timings); + } + + for (const result of indexedResults) { + const { index } = result; + delete result.index; + results[index] = result; + } + resolve_(); + }, + ); + worker.once("error", error => { + abortController.abort(error); + reject(error); + }); + abortSignal.addEventListener("abort", () => worker.terminate()); + } + + const promises = Array(workerCount); + for (let index = 0; index < workerCount; ++index) { + promises[index] = new Promise(workerExecutor); + } + + try { + await Promise.all(promises); + } catch (error) { + /* + * If any worker fails, suppress timing display in the main thread + * to avoid printing partial or misleading timing output. + */ + timing.disableDisplay(); + throw error; + } + + if (worstNetLintingRatio < LOW_NET_LINTING_RATIO) { + warnOnLowNetLintingRatio(); + } + + return results; +} + +/** + * Lint files in multithread mode. + * @param {ESLint} eslint ESLint instance. + * @param {string[]} filePaths File paths to lint. + * @param {number} workerCount The number of worker threads to run. + * @param {ESLintOptions | string} eslintOptionsOrURL The unprocessed ESLint options or the URL of the options module. + * @param {() => void} warnOnLowNetLintingRatio A function to call if the net linting ratio is low. + * @returns {Promise} Lint results. + */ +async function lintFilesWithMultithreading( + eslint, + filePaths, + workerCount, + eslintOptionsOrURL, + warnOnLowNetLintingRatio, +) { + const { configLoader, lintResultCache } = privateMembers.get(eslint); + + const results = await runWorkers( + filePaths, + workerCount, + eslintOptionsOrURL, + warnOnLowNetLintingRatio, + ); + // Persist the cache to disk. + if (lintResultCache) { + results.forEach((result, index) => { + if (result) { + const filePath = filePaths[index]; + const configs = + configLoader.getCachedConfigArrayForFile(filePath); + const config = configs.getConfig(filePath); + + if (config) { + /* + * Store the lint result in the LintResultCache. + * NOTE: The LintResultCache will remove the file source and any + * other properties that are difficult to serialize, and will + * hydrate those properties back in on future lint runs. + */ + lintResultCache.setCachedLintResults( + filePath, + config, + result, + ); + } + } + }); + } + return results; +} + +/** + * Lint files in single-thread mode. + * @param {ESLint} eslint ESLint instance. + * @param {string[]} filePaths File paths to lint. + * @returns {Promise} Lint results. + */ +async function lintFilesWithoutMultithreading(eslint, filePaths) { + const { + configLoader, + linter, + lintResultCache, + options: eslintOptions, + } = privateMembers.get(eslint); + + const controller = new AbortController(); + const retrier = new Retrier(error => fileRetryCodes.has(error.code), { + concurrency: 100, + }); + + /* + * Because we need to process multiple files, including reading from disk, + * it is most efficient to start by reading each file via promises so that + * they can be done in parallel. Then, we can lint the returned text. This + * ensures we are waiting the minimum amount of time in between lints. + */ + const results = await Promise.all( + filePaths.map(async filePath => { + const configs = configLoader.getCachedConfigArrayForFile(filePath); + const config = configs.getConfig(filePath); + + const result = await lintFile( + filePath, + configs, + eslintOptions, + linter, + lintResultCache, + null, + retrier, + controller, + ); + + if (config) { + /* + * Store the lint result in the LintResultCache. + * NOTE: The LintResultCache will remove the file source and any + * other properties that are difficult to serialize, and will + * hydrate those properties back in on future lint runs. + */ + lintResultCache?.setCachedLintResults(filePath, config, result); + } + + return result; + }), + ); + return results; +} + +/** + * Throws an error if the given options are not cloneable. + * @param {ESLintOptions} options The options to check. + * @returns {void} + * @throws {TypeError} If the options are not cloneable. + */ +function validateOptionCloneability(options) { + try { + structuredClone(options); + return; + } catch { + // continue + } + const uncloneableOptionKeys = Object.keys(options) + .filter(key => { + try { + structuredClone(options[key]); + } catch { + return true; + } + return false; + }) + .sort(); + const error = new TypeError( + `The ${uncloneableOptionKeys.length === 1 ? "option" : "options"} ${new Intl.ListFormat("en-US").format(uncloneableOptionKeys.map(key => `"${key}"`))} cannot be cloned. When concurrency is enabled, all options must be cloneable values (JSON values). Remove uncloneable options or use an options module.`, + ); + error.code = "ESLINT_UNCLONEABLE_OPTIONS"; + throw error; +} + +//----------------------------------------------------------------------------- +// Main API +//----------------------------------------------------------------------------- + +/** + * Primary Node.js API for ESLint. + */ +class ESLint { + /** + * The type of configuration used by this class. + * @type {string} + */ + static configType = "flat"; + + /** + * The loader to use for finding config files. + * @type {ConfigLoader} + */ + #configLoader; + + /** + * The unprocessed options or the URL of the options module. Only set when concurrency is enabled. + * @type {ESLintOptions | string | undefined} + */ + #optionsOrURL; + + /** + * Creates a new instance of the main ESLint API. + * @param {ESLintOptions} options The options for this instance. + */ + constructor(options = {}) { + const processedOptions = processOptions(options); + if ( + !options[disableCloneabilityCheck] && + processedOptions.concurrency !== "off" + ) { + validateOptionCloneability(options); + + // Save the unprocessed options in an instance field to pass to worker threads in `lintFiles()`. + this.#optionsOrURL = options; + } + const warningService = new WarningService(); + const linter = createLinter(processedOptions, warningService); + + const cacheFilePath = getCacheFile( + processedOptions.cacheLocation, + processedOptions.cwd, + ); + + const lintResultCache = createLintResultCache( + processedOptions, + cacheFilePath, + ); + const defaultConfigs = createDefaultConfigs(options.plugins); + + this.#configLoader = createConfigLoader( + processedOptions, + defaultConfigs, + linter, + warningService, + ); + + debug(`Using config loader ${this.#configLoader.constructor.name}`); + + privateMembers.set(this, { + options: processedOptions, + linter, + cacheFilePath, + lintResultCache, + defaultConfigs, + configs: null, + configLoader: this.#configLoader, + warningService, + }); + + // Check for the .eslintignore file, and warn if it's present. + if (existsSync(path.resolve(processedOptions.cwd, ".eslintignore"))) { + warningService.emitESLintIgnoreWarning(); + } + } + + /** + * The version text. + * @type {string} + */ + static get version() { + return version; + } + + /** + * The default configuration that ESLint uses internally. This is provided for tooling that wants to calculate configurations using the same defaults as ESLint. + * Keep in mind that the default configuration may change from version to version, so you shouldn't rely on any particular keys or values to be present. + * @type {FlatConfigArray} + */ + static get defaultConfig() { + return defaultConfig; + } + + /** + * Outputs fixes from the given results to files. + * @param {LintResult[]} results The lint results. + * @returns {Promise} Returns a promise that is used to track side effects. + */ + static async outputFixes(results) { + if (!Array.isArray(results)) { + throw new Error("'results' must be an array"); + } + + const retrier = new Retrier(error => fileRetryCodes.has(error.code), { + concurrency: 100, + }); + + await Promise.all( + results + .filter(result => { + if (typeof result !== "object" || result === null) { + throw new Error("'results' must include only objects"); + } + return ( + typeof result.output === "string" && + path.isAbsolute(result.filePath) + ); + }) + .map(r => + retrier.retry(() => fs.writeFile(r.filePath, r.output)), + ), + ); + } + + /** + * Returns results that only contains errors. + * @param {LintResult[]} results The results to filter. + * @returns {LintResult[]} The filtered results. + */ + static getErrorResults(results) { + const filtered = []; + + results.forEach(result => { + const filteredMessages = result.messages.filter(isErrorMessage); + const filteredSuppressedMessages = + result.suppressedMessages.filter(isErrorMessage); + + if (filteredMessages.length > 0) { + filtered.push({ + ...result, + messages: filteredMessages, + suppressedMessages: filteredSuppressedMessages, + errorCount: filteredMessages.length, + warningCount: 0, + fixableErrorCount: result.fixableErrorCount, + fixableWarningCount: 0, + }); + } + }); + + return filtered; + } + + /** + * Creates a new ESLint instance using options loaded from a module. + * @param {URL} optionsURL The URL of the options module. + * @returns {ESLint} The new ESLint instance. + */ + static async fromOptionsModule(optionsURL) { + if (!(optionsURL instanceof URL)) { + throw new TypeError("Argument must be a URL object"); + } + const optionsURLString = optionsURL.href; + const loadedOptions = await loadOptionsFromModule(optionsURLString); + const options = { ...loadedOptions, [disableCloneabilityCheck]: true }; + const eslint = new ESLint(options); + + if (options.concurrency !== "off") { + // Save the options module URL in an instance field to pass to worker threads in `lintFiles()`. + eslint.#optionsOrURL = optionsURLString; + } + return eslint; + } + + /** + * Returns meta objects for each rule represented in the lint results. + * @param {LintResult[]} results The results to fetch rules meta for. + * @returns {Record} A mapping of ruleIds to rule meta objects. + * @throws {TypeError} When the results object wasn't created from this ESLint instance. + * @throws {TypeError} When a plugin or rule is missing. + */ + getRulesMetaForResults(results) { + // short-circuit simple case + if (results.length === 0) { + return {}; + } + + const resultRules = new Map(); + const { + configLoader, + options: { cwd }, + } = privateMembers.get(this); + + for (const result of results) { + /* + * Normalize filename for . + */ + const filePath = + result.filePath === "" + ? getPlaceholderPath(cwd) + : result.filePath; + const allMessages = result.messages.concat( + result.suppressedMessages, + ); + + for (const { ruleId } of allMessages) { + if (!ruleId) { + continue; + } + + /* + * All of the plugin and rule information is contained within the + * calculated config for the given file. + */ + let configs; + + try { + configs = + configLoader.getCachedConfigArrayForFile(filePath); + } catch (err) { + throw createExtraneousResultsError(err); + } + + const config = configs.getConfig(filePath); + + if (!config) { + throw createExtraneousResultsError(); + } + const rule = config.getRuleDefinition(ruleId); + + // ignore unknown rules + if (rule) { + resultRules.set(ruleId, rule); + } + } + } + + return createRulesMeta(resultRules); + } + + /** + * Indicates if the given feature flag is enabled for this instance. + * @param {string} flag The feature flag to check. + * @returns {boolean} `true` if the feature flag is enabled, `false` if not. + */ + hasFlag(flag) { + // note: Linter does validation of the flags + return privateMembers.get(this).linter.hasFlag(flag); + } + + /** + * Executes the current configuration on an array of file and directory names. + * @param {string|string[]} patterns An array of file and directory names. + * @returns {Promise} The results of linting the file patterns given. + */ + async lintFiles(patterns) { + let normalizedPatterns = patterns; + const { + cacheFilePath, + lintResultCache, + options: eslintOptions, + warningService, + } = privateMembers.get(this); + + /* + * Special cases: + * 1. `patterns` is an empty string + * 2. `patterns` is an empty array + * + * In both cases, we use the cwd as the directory to lint. + */ + if ( + patterns === "" || + (Array.isArray(patterns) && patterns.length === 0) + ) { + /* + * Special case: If `passOnNoPatterns` is true, then we just exit + * without doing any work. + */ + if (eslintOptions.passOnNoPatterns) { + return []; + } + + normalizedPatterns = ["."]; + } else { + if ( + !isNonEmptyString(patterns) && + !isArrayOfNonEmptyString(patterns) + ) { + throw new Error( + "'patterns' must be a non-empty string or an array of non-empty strings", + ); + } + + if (typeof patterns === "string") { + normalizedPatterns = [patterns]; + } + } + + debug(`Using file patterns: ${normalizedPatterns}`); + + const { concurrency, cwd, globInputPaths, errorOnUnmatchedPattern } = + eslintOptions; + + // Delete cache file; should this be done here? + if (!lintResultCache && cacheFilePath) { + debug(`Deleting cache file at ${cacheFilePath}`); + + try { + if (existsSync(cacheFilePath)) { + await fs.unlink(cacheFilePath); + } + } catch (error) { + if (existsSync(cacheFilePath)) { + throw error; + } + } + } + + const startTime = hrtimeBigint(); + const filePaths = await findFiles({ + patterns: normalizedPatterns, + cwd, + globInputPaths, + configLoader: this.#configLoader, + errorOnUnmatchedPattern, + }); + debug( + "%d file(s) found in %t", + filePaths.length, + hrtimeBigint() - startTime, + ); + + /** @type {LintResult[]} */ + let results; + + // The value of `module.exports.calculateWorkerCount` can be overridden in tests. + const workerCount = module.exports.calculateWorkerCount( + this, + filePaths, + ); + if (workerCount) { + debug(`Linting using ${workerCount} worker thread(s).`); + let poorConcurrencyNotice; + if (workerCount <= 2) { + poorConcurrencyNotice = "disable concurrency"; + } else { + if (concurrency === "auto") { + poorConcurrencyNotice = + "disable concurrency or use a numeric concurrency setting"; + } else { + poorConcurrencyNotice = "reduce or disable concurrency"; + } + } + results = await lintFilesWithMultithreading( + this, + filePaths, + workerCount, + this.#optionsOrURL, + () => + warningService.emitPoorConcurrencyWarning( + poorConcurrencyNotice, + ), + ); + } else { + debug(`Linting in single-thread mode.`); + results = await lintFilesWithoutMultithreading(this, filePaths); + } + + // Persist the cache to disk. + if (lintResultCache) { + lintResultCache.reconcile(); + } + + const finalResults = results.filter(result => !!result); + + return processLintReport(this, finalResults); + } + + /** + * Executes the current configuration on text. + * @param {string} code A string of JavaScript code to lint. + * @param {Object} [options] The options. + * @param {string} [options.filePath] The path to the file of the source code. + * @param {boolean} [options.warnIgnored] When set to true, warn if given filePath is an ignored path. + * @returns {Promise} The results of linting the string of code given. + */ + async lintText(code, options = {}) { + // Parameter validation + + if (typeof code !== "string") { + throw new Error("'code' must be a string"); + } + + if (typeof options !== "object") { + throw new Error("'options' must be an object, null, or undefined"); + } + + // Options validation + + const { filePath, warnIgnored, ...unknownOptions } = options || {}; + + const unknownOptionKeys = Object.keys(unknownOptions); + + if (unknownOptionKeys.length > 0) { + throw new Error( + `'options' must not include the unknown option(s): ${unknownOptionKeys.join(", ")}`, + ); + } + + if (filePath !== void 0 && !isNonEmptyString(filePath)) { + throw new Error( + "'options.filePath' must be a non-empty string or undefined", + ); + } + + if ( + typeof warnIgnored !== "boolean" && + typeof warnIgnored !== "undefined" + ) { + throw new Error( + "'options.warnIgnored' must be a boolean or undefined", + ); + } + + // Now we can get down to linting + + const { linter, options: eslintOptions } = privateMembers.get(this); + const { + allowInlineConfig, + cwd, + fix, + fixTypes, + warnIgnored: constructorWarnIgnored, + ruleFilter, + stats, + } = eslintOptions; + const results = []; + const startTime = hrtimeBigint(); + const fixTypesSet = fixTypes ? new Set(fixTypes) : null; + const resolvedFilename = path.resolve( + cwd, + filePath || "__placeholder__.js", + ); + const configs = + await this.#configLoader.loadConfigArrayForFile(resolvedFilename); + const configStatus = + configs?.getConfigStatus(resolvedFilename) ?? "unconfigured"; + + // Clear the last used config arrays. + if (resolvedFilename && configStatus !== "matched") { + const shouldWarnIgnored = + typeof warnIgnored === "boolean" + ? warnIgnored + : constructorWarnIgnored; + + if (shouldWarnIgnored) { + results.push( + createIgnoreResult(resolvedFilename, cwd, configStatus), + ); + } + } else { + const config = configs.getConfig(resolvedFilename); + const fixer = getFixerForFixTypes(fix, fixTypesSet, config); + + // Do lint. + results.push( + verifyText({ + text: code, + filePath: resolvedFilename.endsWith("__placeholder__.js") + ? "" + : resolvedFilename, + configs, + cwd, + fix: fixer, + allowInlineConfig, + ruleFilter, + stats, + linter, + }), + ); + } + + debug("Linting complete in %t", hrtimeBigint() - startTime); + + return processLintReport(this, results); + } + + /** + * Returns the formatter representing the given formatter name. + * @param {string} [name] The name of the formatter to load. + * The following values are allowed: + * - `undefined` ... Load `stylish` builtin formatter. + * - A builtin formatter name ... Load the builtin formatter. + * - A third-party formatter name: + * - `foo` → `eslint-formatter-foo` + * - `@foo` → `@foo/eslint-formatter` + * - `@foo/bar` → `@foo/eslint-formatter-bar` + * - A file path ... Load the file. + * @returns {Promise} A promise resolving to the formatter object. + * This promise will be rejected if the given formatter was not found or not + * a function. + */ + async loadFormatter(name = "stylish") { + if (typeof name !== "string") { + throw new Error("'name' must be a string"); + } + + // replace \ with / for Windows compatibility + const normalizedFormatName = name.replace(/\\/gu, "/"); + const namespace = getNamespaceFromTerm(normalizedFormatName); + + // grab our options + const { cwd } = privateMembers.get(this).options; + + let formatterPath; + + // if there's a slash, then it's a file (TODO: this check seems dubious for scoped npm packages) + if (!namespace && normalizedFormatName.includes("/")) { + formatterPath = path.resolve(cwd, normalizedFormatName); + } else { + try { + const npmFormat = normalizePackageName( + normalizedFormatName, + "eslint-formatter", + ); + + // TODO: This is pretty dirty...would be nice to clean up at some point. + formatterPath = resolve(npmFormat, getPlaceholderPath(cwd)); + } catch { + formatterPath = path.resolve( + __dirname, + "../", + "cli-engine", + "formatters", + `${normalizedFormatName}.js`, + ); + } + } + + let formatter; + + try { + formatter = (await import(pathToFileURL(formatterPath))).default; + } catch (ex) { + // check for formatters that have been removed + if (removedFormatters.has(name)) { + ex.message = `The ${name} formatter is no longer part of core ESLint. Install it manually with \`npm install -D eslint-formatter-${name}\``; + } else { + ex.message = `There was a problem loading formatter: ${formatterPath}\nError: ${ex.message}`; + } + + throw ex; + } + + if (typeof formatter !== "function") { + throw new TypeError( + `Formatter must be a function, but got a ${typeof formatter}.`, + ); + } + + const eslint = this; + + return { + /** + * The main formatter method. + * @param {LintResult[]} results The lint results to format. + * @param {ResultsMeta} resultsMeta Warning count and max threshold. + * @returns {string} The formatted lint results. + */ + format(results, resultsMeta) { + let rulesMeta = null; + + results.sort(compareResultsByFilePath); + + return formatter(results, { + ...resultsMeta, + cwd, + get rulesMeta() { + if (!rulesMeta) { + rulesMeta = eslint.getRulesMetaForResults(results); + } + + return rulesMeta; + }, + }); + }, + }; + } + + /** + * Returns a configuration object for the given file based on the CLI options. + * This is the same logic used by the ESLint CLI executable to determine + * configuration for each file it processes. + * @param {string} filePath The path of the file to retrieve a config object for. + * @returns {Promise} A configuration object for the file + * or `undefined` if there is no configuration data for the object. + */ + async calculateConfigForFile(filePath) { + if (!isNonEmptyString(filePath)) { + throw new Error("'filePath' must be a non-empty string"); + } + const options = privateMembers.get(this).options; + const absolutePath = path.resolve(options.cwd, filePath); + const configs = + await this.#configLoader.loadConfigArrayForFile(absolutePath); + + if (!configs) { + const error = new Error("Could not find config file."); + + error.messageTemplate = "config-file-missing"; + throw error; + } + + return configs.getConfig(absolutePath); + } + + /** + * Finds the config file being used by this instance based on the options + * passed to the constructor. + * @param {string} [filePath] The path of the file to find the config file for. + * @returns {Promise} The path to the config file being used or + * `undefined` if no config file is being used. + */ + async findConfigFile(filePath) { + const options = privateMembers.get(this).options; + + /* + * Because the new config lookup scheme skips the current directory + * and looks into the parent directories, we need to use a placeholder + * directory to ensure the file in cwd is checked. + */ + const fakeCwd = path.join(options.cwd, "__placeholder__"); + + return this.#configLoader + .findConfigFileForPath(filePath ?? fakeCwd) + .catch(() => void 0); + } + + /** + * Checks if a given path is ignored by ESLint. + * @param {string} filePath The path of the file to check. + * @returns {Promise} Whether or not the given path is ignored. + */ + async isPathIgnored(filePath) { + const config = await this.calculateConfigForFile(filePath); + + return config === void 0; + } +} + +/** + * Returns whether flat config should be used. + * @returns {Promise} Whether flat config should be used. + */ +async function shouldUseFlatConfig() { + return process.env.ESLINT_USE_FLAT_CONFIG !== "false"; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = { + ESLint, + shouldUseFlatConfig, + locateConfigFileToUse, + calculateWorkerCount, +}; diff --git a/module/node_modules/eslint/lib/eslint/index.js b/module/node_modules/eslint/lib/eslint/index.js new file mode 100644 index 000000000..40588d5d4 --- /dev/null +++ b/module/node_modules/eslint/lib/eslint/index.js @@ -0,0 +1,9 @@ +"use strict"; + +const { ESLint } = require("./eslint"); +const { LegacyESLint } = require("./legacy-eslint"); + +module.exports = { + ESLint, + LegacyESLint, +}; diff --git a/module/node_modules/eslint/lib/eslint/legacy-eslint.js b/module/node_modules/eslint/lib/eslint/legacy-eslint.js new file mode 100644 index 000000000..36d30e5a3 --- /dev/null +++ b/module/node_modules/eslint/lib/eslint/legacy-eslint.js @@ -0,0 +1,786 @@ +/** + * @fileoverview Main API Class + * @author Kai Cataldo + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const path = require("node:path"); +const fs = require("node:fs"); +const { promisify } = require("node:util"); +const { + CLIEngine, + getCLIEngineInternalSlots, +} = require("../cli-engine/cli-engine"); +const BuiltinRules = require("../rules"); +const { + Legacy: { + ConfigOps: { getRuleSeverity }, + }, +} = require("@eslint/eslintrc"); +const { version } = require("../../package.json"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** @typedef {import("../cli-engine/cli-engine").LintReport} CLIEngineLintReport */ +/** @typedef {import("../types").ESLint.ConfigData} ConfigData */ +/** @typedef {import("../types").ESLint.DeprecatedRuleUse} DeprecatedRuleInfo */ +/** @typedef {import("../types").Linter.LintMessage} LintMessage */ +/** @typedef {import("../types").ESLint.LintResult} LintResult */ +/** @typedef {import("../types").ESLint.Plugin} Plugin */ +/** @typedef {import("../types").ESLint.ResultsMeta} ResultsMeta */ +/** @typedef {import("../types").Rule.RuleModule} Rule */ +/** @typedef {import("../types").Linter.SuppressedLintMessage} SuppressedLintMessage */ + +/** + * The main formatter object. + * @typedef LoadedFormatter + * @property {(results: LintResult[], resultsMeta: ResultsMeta) => string | Promise} format format function. + */ + +/** + * The options with which to configure the LegacyESLint instance. + * @typedef {Object} LegacyESLintOptions + * @property {boolean} [allowInlineConfig] Enable or disable inline configuration comments. + * @property {ConfigData} [baseConfig] Base config object, extended by all configs used with this instance + * @property {boolean} [cache] Enable result caching. + * @property {string} [cacheLocation] The cache file to use instead of .eslintcache. + * @property {"metadata" | "content"} [cacheStrategy] The strategy used to detect changed files. + * @property {string} [cwd] The value to use for the current working directory. + * @property {boolean} [errorOnUnmatchedPattern] If `false` then `ESLint#lintFiles()` doesn't throw even if no target files found. Defaults to `true`. + * @property {string[]} [extensions] An array of file extensions to check. + * @property {boolean|Function} [fix] Execute in autofix mode. If a function, should return a boolean. + * @property {string[]} [fixTypes] Array of rule types to apply fixes for. + * @property {boolean} [globInputPaths] Set to false to skip glob resolution of input file paths to lint (default: true). If false, each input file paths is assumed to be a non-glob path to an existing file. + * @property {boolean} [ignore] False disables use of .eslintignore. + * @property {string} [ignorePath] The ignore file to use instead of .eslintignore. + * @property {ConfigData} [overrideConfig] Override config object, overrides all configs used with this instance + * @property {string} [overrideConfigFile] The configuration file to use. + * @property {Record|null} [plugins] Preloaded plugins. This is a map-like object, keys are plugin IDs and each value is implementation. + * @property {"error" | "warn" | "off"} [reportUnusedDisableDirectives] the severity to report unused eslint-disable directives. + * @property {string} [resolvePluginsRelativeTo] The folder where plugins should be resolved from, defaulting to the CWD. + * @property {string[]} [rulePaths] An array of directories to load custom rules from. + * @property {boolean} [useEslintrc] False disables looking for .eslintrc.* files. + * @property {boolean} [passOnNoPatterns=false] When set to true, missing patterns cause + * the linting operation to short circuit and not report any failures. + */ + +/** + * A rules metadata object. + * @typedef {Object} RulesMeta + * @property {string} id The plugin ID. + * @property {Object} definition The plugin definition. + */ + +/** + * Private members for the `ESLint` instance. + * @typedef {Object} ESLintPrivateMembers + * @property {CLIEngine} cliEngine The wrapped CLIEngine instance. + * @property {LegacyESLintOptions} options The options used to instantiate the ESLint instance. + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const writeFile = promisify(fs.writeFile); + +/** + * The map with which to store private class members. + * @type {WeakMap} + */ +const privateMembersMap = new WeakMap(); + +/** + * Check if a given value is a non-empty string or not. + * @param {any} value The value to check. + * @returns {boolean} `true` if `value` is a non-empty string. + */ +function isNonEmptyString(value) { + return typeof value === "string" && value.trim() !== ""; +} + +/** + * Check if a given value is an array of non-empty strings or not. + * @param {any} value The value to check. + * @returns {boolean} `true` if `value` is an array of non-empty strings. + */ +function isArrayOfNonEmptyString(value) { + return ( + Array.isArray(value) && value.length && value.every(isNonEmptyString) + ); +} + +/** + * Check if a given value is an empty array or an array of non-empty strings. + * @param {any} value The value to check. + * @returns {boolean} `true` if `value` is an empty array or an array of non-empty + * strings. + */ +function isEmptyArrayOrArrayOfNonEmptyString(value) { + return Array.isArray(value) && value.every(isNonEmptyString); +} + +/** + * Check if a given value is a valid fix type or not. + * @param {any} value The value to check. + * @returns {boolean} `true` if `value` is valid fix type. + */ +function isFixType(value) { + return ( + value === "directive" || + value === "problem" || + value === "suggestion" || + value === "layout" + ); +} + +/** + * Check if a given value is an array of fix types or not. + * @param {any} value The value to check. + * @returns {boolean} `true` if `value` is an array of fix types. + */ +function isFixTypeArray(value) { + return Array.isArray(value) && value.every(isFixType); +} + +/** + * The error for invalid options. + */ +class ESLintInvalidOptionsError extends Error { + constructor(messages) { + super(`Invalid Options:\n- ${messages.join("\n- ")}`); + this.code = "ESLINT_INVALID_OPTIONS"; + Error.captureStackTrace(this, ESLintInvalidOptionsError); + } +} + +/** + * Validates and normalizes options for the wrapped CLIEngine instance. + * @param {LegacyESLintOptions} options The options to process. + * @throws {ESLintInvalidOptionsError} If of any of a variety of type errors. + * @returns {LegacyESLintOptions} The normalized options. + */ +function processOptions({ + allowInlineConfig = true, // ← we cannot use `overrideConfig.noInlineConfig` instead because `allowInlineConfig` has side-effect that suppress warnings that show inline configs are ignored. + baseConfig = null, + cache = false, + cacheLocation = ".eslintcache", + cacheStrategy = "metadata", + cwd = process.cwd(), + errorOnUnmatchedPattern = true, + extensions = null, // ← should be null by default because if it's an array then it suppresses RFC20 feature. + fix = false, + fixTypes = null, // ← should be null by default because if it's an array then it suppresses rules that don't have the `meta.type` property. + flags /* eslint-disable-line no-unused-vars -- leaving for compatibility with ESLint#hasFlag */, + globInputPaths = true, + ignore = true, + ignorePath = null, // ← should be null by default because if it's a string then it may throw ENOENT. + overrideConfig = null, + overrideConfigFile = null, + plugins = {}, + reportUnusedDisableDirectives = null, // ← should be null by default because if it's a string then it overrides the 'reportUnusedDisableDirectives' setting in config files. And we cannot use `overrideConfig.reportUnusedDisableDirectives` instead because we cannot configure the `error` severity with that. + resolvePluginsRelativeTo = null, // ← should be null by default because if it's a string then it suppresses RFC47 feature. + rulePaths = [], + useEslintrc = true, + passOnNoPatterns = false, + ...unknownOptions +}) { + const errors = []; + const unknownOptionKeys = Object.keys(unknownOptions); + + if (unknownOptionKeys.length >= 1) { + errors.push(`Unknown options: ${unknownOptionKeys.join(", ")}`); + if (unknownOptionKeys.includes("cacheFile")) { + errors.push( + "'cacheFile' has been removed. Please use the 'cacheLocation' option instead.", + ); + } + if (unknownOptionKeys.includes("configFile")) { + errors.push( + "'configFile' has been removed. Please use the 'overrideConfigFile' option instead.", + ); + } + if (unknownOptionKeys.includes("envs")) { + errors.push( + "'envs' has been removed. Please use the 'overrideConfig.env' option instead.", + ); + } + if (unknownOptionKeys.includes("globals")) { + errors.push( + "'globals' has been removed. Please use the 'overrideConfig.globals' option instead.", + ); + } + if (unknownOptionKeys.includes("ignorePattern")) { + errors.push( + "'ignorePattern' has been removed. Please use the 'overrideConfig.ignorePatterns' option instead.", + ); + } + if (unknownOptionKeys.includes("parser")) { + errors.push( + "'parser' has been removed. Please use the 'overrideConfig.parser' option instead.", + ); + } + if (unknownOptionKeys.includes("parserOptions")) { + errors.push( + "'parserOptions' has been removed. Please use the 'overrideConfig.parserOptions' option instead.", + ); + } + if (unknownOptionKeys.includes("rules")) { + errors.push( + "'rules' has been removed. Please use the 'overrideConfig.rules' option instead.", + ); + } + } + if (typeof allowInlineConfig !== "boolean") { + errors.push("'allowInlineConfig' must be a boolean."); + } + if (typeof baseConfig !== "object") { + errors.push("'baseConfig' must be an object or null."); + } + if (typeof cache !== "boolean") { + errors.push("'cache' must be a boolean."); + } + if (!isNonEmptyString(cacheLocation)) { + errors.push("'cacheLocation' must be a non-empty string."); + } + if (cacheStrategy !== "metadata" && cacheStrategy !== "content") { + errors.push('\'cacheStrategy\' must be any of "metadata", "content".'); + } + if (!isNonEmptyString(cwd) || !path.isAbsolute(cwd)) { + errors.push("'cwd' must be an absolute path."); + } + if (typeof errorOnUnmatchedPattern !== "boolean") { + errors.push("'errorOnUnmatchedPattern' must be a boolean."); + } + if ( + !isEmptyArrayOrArrayOfNonEmptyString(extensions) && + extensions !== null + ) { + errors.push( + "'extensions' must be an array of non-empty strings or null.", + ); + } + if (typeof fix !== "boolean" && typeof fix !== "function") { + errors.push("'fix' must be a boolean or a function."); + } + if (fixTypes !== null && !isFixTypeArray(fixTypes)) { + errors.push( + '\'fixTypes\' must be an array of any of "directive", "problem", "suggestion", and "layout".', + ); + } + if (typeof globInputPaths !== "boolean") { + errors.push("'globInputPaths' must be a boolean."); + } + if (typeof ignore !== "boolean") { + errors.push("'ignore' must be a boolean."); + } + if (!isNonEmptyString(ignorePath) && ignorePath !== null) { + errors.push("'ignorePath' must be a non-empty string or null."); + } + if (typeof overrideConfig !== "object") { + errors.push("'overrideConfig' must be an object or null."); + } + if (!isNonEmptyString(overrideConfigFile) && overrideConfigFile !== null) { + errors.push("'overrideConfigFile' must be a non-empty string or null."); + } + if (typeof plugins !== "object") { + errors.push("'plugins' must be an object or null."); + } else if (plugins !== null && Object.keys(plugins).includes("")) { + errors.push("'plugins' must not include an empty string."); + } + if (Array.isArray(plugins)) { + errors.push( + "'plugins' doesn't add plugins to configuration to load. Please use the 'overrideConfig.plugins' option instead.", + ); + } + if ( + reportUnusedDisableDirectives !== "error" && + reportUnusedDisableDirectives !== "warn" && + reportUnusedDisableDirectives !== "off" && + reportUnusedDisableDirectives !== null + ) { + errors.push( + '\'reportUnusedDisableDirectives\' must be any of "error", "warn", "off", and null.', + ); + } + if ( + !isNonEmptyString(resolvePluginsRelativeTo) && + resolvePluginsRelativeTo !== null + ) { + errors.push( + "'resolvePluginsRelativeTo' must be a non-empty string or null.", + ); + } + if (!isEmptyArrayOrArrayOfNonEmptyString(rulePaths)) { + errors.push("'rulePaths' must be an array of non-empty strings."); + } + if (typeof useEslintrc !== "boolean") { + errors.push("'useEslintrc' must be a boolean."); + } + if (typeof passOnNoPatterns !== "boolean") { + errors.push("'passOnNoPatterns' must be a boolean."); + } + + if (errors.length > 0) { + throw new ESLintInvalidOptionsError(errors); + } + + return { + allowInlineConfig, + baseConfig, + cache, + cacheLocation, + cacheStrategy, + configFile: overrideConfigFile, + cwd: path.normalize(cwd), + errorOnUnmatchedPattern, + extensions, + fix, + fixTypes, + flags: [], // LegacyESLint does not support flags, so just ignore them. + globInputPaths, + ignore, + ignorePath, + reportUnusedDisableDirectives, + resolvePluginsRelativeTo, + rulePaths, + useEslintrc, + passOnNoPatterns, + }; +} + +/** + * Check if a value has one or more properties and that value is not undefined. + * @param {any} obj The value to check. + * @returns {boolean} `true` if `obj` has one or more properties that value is not undefined. + */ +function hasDefinedProperty(obj) { + if (typeof obj === "object" && obj !== null) { + for (const key in obj) { + if (typeof obj[key] !== "undefined") { + return true; + } + } + } + return false; +} + +/** + * Create rulesMeta object. + * @param {Map} rules a map of rules from which to generate the object. + * @returns {Object} metadata for all enabled rules. + */ +function createRulesMeta(rules) { + return Array.from(rules).reduce((retVal, [id, rule]) => { + retVal[id] = rule.meta; + return retVal; + }, {}); +} + +/** @type {WeakMap} */ +const usedDeprecatedRulesCache = new WeakMap(); + +/** + * Create used deprecated rule list. + * @param {CLIEngine} cliEngine The CLIEngine instance. + * @param {string} maybeFilePath The absolute path to a lint target file or `""`. + * @returns {DeprecatedRuleInfo[]} The used deprecated rule list. + */ +function getOrFindUsedDeprecatedRules(cliEngine, maybeFilePath) { + const { + configArrayFactory, + options: { cwd }, + } = getCLIEngineInternalSlots(cliEngine); + const filePath = path.isAbsolute(maybeFilePath) + ? maybeFilePath + : path.join(cwd, "__placeholder__.js"); + const configArray = configArrayFactory.getConfigArrayForFile(filePath); + const config = configArray.extractConfig(filePath); + + // Most files use the same config, so cache it. + if (!usedDeprecatedRulesCache.has(config)) { + const pluginRules = configArray.pluginRules; + const retv = []; + + for (const [ruleId, ruleConf] of Object.entries(config.rules)) { + if (getRuleSeverity(ruleConf) === 0) { + continue; + } + const rule = pluginRules.get(ruleId) || BuiltinRules.get(ruleId); + const meta = rule && rule.meta; + + if (meta && meta.deprecated) { + retv.push({ ruleId, replacedBy: meta.replacedBy || [] }); + } + } + + usedDeprecatedRulesCache.set(config, Object.freeze(retv)); + } + + return usedDeprecatedRulesCache.get(config); +} + +/** + * Processes the linting results generated by a CLIEngine linting report to + * match the ESLint class's API. + * @param {CLIEngine} cliEngine The CLIEngine instance. + * @param {CLIEngineLintReport} report The CLIEngine linting report to process. + * @returns {LintResult[]} The processed linting results. + */ +function processCLIEngineLintReport(cliEngine, { results }) { + const descriptor = { + configurable: true, + enumerable: true, + get() { + return getOrFindUsedDeprecatedRules(cliEngine, this.filePath); + }, + }; + + for (const result of results) { + Object.defineProperty(result, "usedDeprecatedRules", descriptor); + } + + return results; +} + +/** + * An Array.prototype.sort() compatible compare function to order results by their file path. + * @param {LintResult} a The first lint result. + * @param {LintResult} b The second lint result. + * @returns {number} An integer representing the order in which the two results should occur. + */ +function compareResultsByFilePath(a, b) { + if (a.filePath < b.filePath) { + return -1; + } + + if (a.filePath > b.filePath) { + return 1; + } + + return 0; +} + +/** + * Main API. + */ +class LegacyESLint { + /** + * The type of configuration used by this class. + * @type {string} + */ + static configType = "eslintrc"; + + /** + * Creates a new instance of the main ESLint API. + * @param {LegacyESLintOptions} options The options for this instance. + */ + constructor(options = {}) { + const processedOptions = processOptions(options); + const cliEngine = new CLIEngine(processedOptions, { + preloadedPlugins: options.plugins, + }); + const { configArrayFactory, lastConfigArrays } = + getCLIEngineInternalSlots(cliEngine); + let updated = false; + + /* + * Address `overrideConfig` to set override config. + * Operate the `configArrayFactory` internal slot directly because this + * functionality doesn't exist as the public API of CLIEngine. + */ + if (hasDefinedProperty(options.overrideConfig)) { + configArrayFactory.setOverrideConfig(options.overrideConfig); + updated = true; + } + + // Update caches. + if (updated) { + configArrayFactory.clearCache(); + lastConfigArrays[0] = configArrayFactory.getConfigArrayForFile(); + } + + // Initialize private properties. + privateMembersMap.set(this, { + cliEngine, + options: processedOptions, + }); + } + + /** + * The version text. + * @type {string} + */ + static get version() { + return version; + } + + /** + * Outputs fixes from the given results to files. + * @param {LintResult[]} results The lint results. + * @returns {Promise} Returns a promise that is used to track side effects. + */ + static async outputFixes(results) { + if (!Array.isArray(results)) { + throw new Error("'results' must be an array"); + } + + await Promise.all( + results + .filter(result => { + if (typeof result !== "object" || result === null) { + throw new Error("'results' must include only objects"); + } + return ( + typeof result.output === "string" && + path.isAbsolute(result.filePath) + ); + }) + .map(r => writeFile(r.filePath, r.output)), + ); + } + + /** + * Returns results that only contains errors. + * @param {LintResult[]} results The results to filter. + * @returns {LintResult[]} The filtered results. + */ + static getErrorResults(results) { + return CLIEngine.getErrorResults(results); + } + + /** + * Returns meta objects for each rule represented in the lint results. + * @param {LintResult[]} results The results to fetch rules meta for. + * @returns {Object} A mapping of ruleIds to rule meta objects. + */ + getRulesMetaForResults(results) { + const resultRuleIds = new Set(); + + // first gather all ruleIds from all results + + for (const result of results) { + for (const { ruleId } of result.messages) { + resultRuleIds.add(ruleId); + } + for (const { ruleId } of result.suppressedMessages) { + resultRuleIds.add(ruleId); + } + } + + // create a map of all rules in the results + + const { cliEngine } = privateMembersMap.get(this); + const rules = cliEngine.getRules(); + const resultRules = new Map(); + + for (const [ruleId, rule] of rules) { + if (resultRuleIds.has(ruleId)) { + resultRules.set(ruleId, rule); + } + } + + return createRulesMeta(resultRules); + } + + /* eslint-disable no-unused-vars, class-methods-use-this -- leaving for compatibility with ESLint#hasFlag */ + /** + * Indicates if the given feature flag is enabled for this instance. For this + * class, this always returns `false` because it does not support feature flags. + * @param {string} flag The feature flag to check. + * @returns {boolean} Always false. + */ + hasFlag(flag) { + return false; + } + /* eslint-enable no-unused-vars, class-methods-use-this -- reenable rules for the rest of the file */ + + /** + * Executes the current configuration on an array of file and directory names. + * @param {string[]} patterns An array of file and directory names. + * @returns {Promise} The results of linting the file patterns given. + */ + async lintFiles(patterns) { + const { cliEngine, options } = privateMembersMap.get(this); + + if ( + options.passOnNoPatterns && + (patterns === "" || + (Array.isArray(patterns) && patterns.length === 0)) + ) { + return []; + } + + if (!isNonEmptyString(patterns) && !isArrayOfNonEmptyString(patterns)) { + throw new Error( + "'patterns' must be a non-empty string or an array of non-empty strings", + ); + } + + return processCLIEngineLintReport( + cliEngine, + cliEngine.executeOnFiles(patterns), + ); + } + + /** + * Executes the current configuration on text. + * @param {string} code A string of JavaScript code to lint. + * @param {Object} [options] The options. + * @param {string} [options.filePath] The path to the file of the source code. + * @param {boolean} [options.warnIgnored] When set to true, warn if given filePath is an ignored path. + * @returns {Promise} The results of linting the string of code given. + */ + async lintText(code, options = {}) { + if (typeof code !== "string") { + throw new Error("'code' must be a string"); + } + if (typeof options !== "object") { + throw new Error("'options' must be an object, null, or undefined"); + } + const { + filePath, + warnIgnored = false, + ...unknownOptions + } = options || {}; + + const unknownOptionKeys = Object.keys(unknownOptions); + + if (unknownOptionKeys.length > 0) { + throw new Error( + `'options' must not include the unknown option(s): ${unknownOptionKeys.join(", ")}`, + ); + } + + if (filePath !== void 0 && !isNonEmptyString(filePath)) { + throw new Error( + "'options.filePath' must be a non-empty string or undefined", + ); + } + if (typeof warnIgnored !== "boolean") { + throw new Error( + "'options.warnIgnored' must be a boolean or undefined", + ); + } + + const { cliEngine } = privateMembersMap.get(this); + + return processCLIEngineLintReport( + cliEngine, + cliEngine.executeOnText(code, filePath, warnIgnored), + ); + } + + /** + * Returns the formatter representing the given formatter name. + * @param {string} [name] The name of the formatter to load. + * The following values are allowed: + * - `undefined` ... Load `stylish` builtin formatter. + * - A builtin formatter name ... Load the builtin formatter. + * - A third-party formatter name: + * - `foo` → `eslint-formatter-foo` + * - `@foo` → `@foo/eslint-formatter` + * - `@foo/bar` → `@foo/eslint-formatter-bar` + * - A file path ... Load the file. + * @returns {Promise} A promise resolving to the formatter object. + * This promise will be rejected if the given formatter was not found or not + * a function. + */ + async loadFormatter(name = "stylish") { + if (typeof name !== "string") { + throw new Error("'name' must be a string"); + } + + const { cliEngine, options } = privateMembersMap.get(this); + const formatter = cliEngine.getFormatter(name); + + if (typeof formatter !== "function") { + throw new Error( + `Formatter must be a function, but got a ${typeof formatter}.`, + ); + } + + return { + /** + * The main formatter method. + * @param {LintResult[]} results The lint results to format. + * @param {ResultsMeta} resultsMeta Warning count and max threshold. + * @returns {string | Promise} The formatted lint results. + */ + format(results, resultsMeta) { + let rulesMeta = null; + + results.sort(compareResultsByFilePath); + + return formatter(results, { + ...resultsMeta, + get cwd() { + return options.cwd; + }, + get rulesMeta() { + if (!rulesMeta) { + rulesMeta = createRulesMeta(cliEngine.getRules()); + } + + return rulesMeta; + }, + }); + }, + }; + } + + /** + * Returns a configuration object for the given file based on the CLI options. + * This is the same logic used by the ESLint CLI executable to determine + * configuration for each file it processes. + * @param {string} filePath The path of the file to retrieve a config object for. + * @returns {Promise} A configuration object for the file. + */ + async calculateConfigForFile(filePath) { + if (!isNonEmptyString(filePath)) { + throw new Error("'filePath' must be a non-empty string"); + } + const { cliEngine } = privateMembersMap.get(this); + + return cliEngine.getConfigForFile(filePath); + } + + /** + * Checks if a given path is ignored by ESLint. + * @param {string} filePath The path of the file to check. + * @returns {Promise} Whether or not the given path is ignored. + */ + async isPathIgnored(filePath) { + if (!isNonEmptyString(filePath)) { + throw new Error("'filePath' must be a non-empty string"); + } + const { cliEngine } = privateMembersMap.get(this); + + return cliEngine.isPathIgnored(filePath); + } +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = { + LegacyESLint, + + /** + * Get the private class members of a given ESLint instance for tests. + * @param {ESLint} instance The ESLint instance to get. + * @returns {ESLintPrivateMembers} The instance's private class members. + */ + getESLintPrivateMembers(instance) { + return privateMembersMap.get(instance); + }, +}; diff --git a/module/node_modules/eslint/lib/eslint/worker.js b/module/node_modules/eslint/lib/eslint/worker.js new file mode 100644 index 000000000..7001bf214 --- /dev/null +++ b/module/node_modules/eslint/lib/eslint/worker.js @@ -0,0 +1,173 @@ +/** + * @fileoverview Worker thread for multithread linting. + * @author Francesco Trotta + */ + +"use strict"; + +const hrtimeBigint = process.hrtime.bigint; + +const startTime = hrtimeBigint(); + +// eslint-disable-next-line n/no-unsupported-features/node-builtins -- enable V8's code cache if supported +require("node:module").enableCompileCache?.(); + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { parentPort, threadId, workerData } = require("node:worker_threads"); +const { + createConfigLoader, + createDebug, + createDefaultConfigs, + createLinter, + createLintResultCache, + getCacheFile, + lintFile, + loadOptionsFromModule, + processOptions, +} = require("./eslint-helpers"); +const { WarningService } = require("../services/warning-service"); +const timing = require("../linter/timing"); + +const depsLoadedTime = hrtimeBigint(); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** @typedef {import("../types").ESLint.LintResult} LintResult */ +/** @typedef {import("../types").ESLint.Options} ESLintOptions */ +/** @typedef {LintResult & { index?: number; }} IndexedLintResult */ +/** @typedef {IndexedLintResult[] & { netLintingDuration: bigint; timings?: Record; }} WorkerLintResults */ +/** + * @typedef {Object} WorkerData - Data passed to the worker thread. + * @property {ESLintOptions | string} eslintOptionsOrURL - The unprocessed ESLint options or the URL of the options module. + * @property {Uint32Array} filePathIndexArray - Shared counter used to track the next file to lint. + * @property {string[]} filePaths - File paths to lint. + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const debug = createDebug(`eslint:worker:thread-${threadId}`); + +//------------------------------------------------------------------------------ +// Main +//------------------------------------------------------------------------------ + +/* + * Prevent timing module from printing profiling output from worker threads. + * The main thread is responsible for displaying any aggregated timings. + */ +timing.disableDisplay(); + +debug("Dependencies loaded in %t", depsLoadedTime - startTime); + +(async () => { + /** @type {WorkerData} */ + const { eslintOptionsOrURL, filePathIndexArray, filePaths } = workerData; + const eslintOptions = + typeof eslintOptionsOrURL === "object" + ? eslintOptionsOrURL + : await loadOptionsFromModule(eslintOptionsOrURL); + const processedESLintOptions = processOptions(eslintOptions); + + const warningService = new WarningService(); + + // These warnings are always emitted by the controlling thread. + warningService.emitEmptyConfigWarning = + warningService.emitInactiveFlagWarning = () => {}; + + const linter = createLinter(processedESLintOptions, warningService); + + const cacheFilePath = getCacheFile( + processedESLintOptions.cacheLocation, + processedESLintOptions.cwd, + ); + + const lintResultCache = createLintResultCache( + processedESLintOptions, + cacheFilePath, + ); + const defaultConfigs = createDefaultConfigs(eslintOptions.plugins); + + const configLoader = createConfigLoader( + processedESLintOptions, + defaultConfigs, + linter, + warningService, + ); + + /** @type {WorkerLintResults} */ + const indexedResults = []; + let loadConfigTotalDuration = 0n; + const readFileCounter = { duration: 0n }; + + const lintingStartTime = hrtimeBigint(); + debug( + "Linting started %t after dependencies loaded", + lintingStartTime - depsLoadedTime, + ); + + for (;;) { + const fileLintingStartTime = hrtimeBigint(); + + // It seems hard to produce an arithmetic overflow under realistic conditions here. + const index = Atomics.add(filePathIndexArray, 0, 1); + + const filePath = filePaths[index]; + if (!filePath) { + break; + } + + const loadConfigEnterTime = hrtimeBigint(); + const configs = await configLoader.loadConfigArrayForFile(filePath); + const loadConfigExitTime = hrtimeBigint(); + const loadConfigDuration = loadConfigExitTime - loadConfigEnterTime; + debug( + 'Config array for file "%s" loaded in %t', + filePath, + loadConfigDuration, + ); + loadConfigTotalDuration += loadConfigDuration; + + /** @type {IndexedLintResult} */ + const result = await lintFile( + filePath, + configs, + processedESLintOptions, + linter, + lintResultCache, + readFileCounter, + ); + if (result) { + result.index = index; + indexedResults.push(result); + } + + const fileLintingEndTime = hrtimeBigint(); + debug( + 'File "%s" processed in %t', + filePath, + fileLintingEndTime - fileLintingStartTime, + ); + } + + const lintingDuration = hrtimeBigint() - lintingStartTime; + + /* + * The net linting duration is the total linting time minus the time spent loading configs and reading files. + * It captures the processing time dedicated to computation-intensive tasks that are highly parallelizable and not repeated across threads. + */ + indexedResults.netLintingDuration = + lintingDuration - loadConfigTotalDuration - readFileCounter.duration; + + if (timing.enabled) { + indexedResults.timings = timing.getData(); + } + + parentPort.postMessage(indexedResults); +})(); diff --git a/module/node_modules/eslint/lib/languages/js/index.js b/module/node_modules/eslint/lib/languages/js/index.js new file mode 100644 index 000000000..a6bf0d7f6 --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/index.js @@ -0,0 +1,336 @@ +/** + * @fileoverview JavaScript Language Object + * @author Nicholas C. Zakas + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +const { SourceCode } = require("./source-code"); +const createDebug = require("debug"); +const astUtils = require("../../shared/ast-utils"); +const espree = require("espree"); +const eslintScope = require("eslint-scope"); +const evk = require("eslint-visitor-keys"); +const { validateLanguageOptions } = require("./validate-language-options"); +const { LATEST_ECMA_VERSION } = require("../../../conf/ecma-version"); + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + +/** @typedef {import("@eslint/core").File} File */ +/** @typedef {import("@eslint/core").Language} Language */ +/** @typedef {import("@eslint/core").OkParseResult} OkParseResult */ +/** @typedef {import("../../types").Linter.LanguageOptions} JSLanguageOptions */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const debug = createDebug("eslint:languages:js"); +const DEFAULT_ECMA_VERSION = 5; +const parserSymbol = Symbol.for("eslint.RuleTester.parser"); + +/** + * Analyze scope of the given AST. + * @param {ASTNode} ast The `Program` node to analyze. + * @param {JSLanguageOptions} languageOptions The parser options. + * @param {Record} visitorKeys The visitor keys. + * @returns {ScopeManager} The analysis result. + */ +function analyzeScope(ast, languageOptions, visitorKeys) { + const parserOptions = languageOptions.parserOptions; + const ecmaFeatures = parserOptions.ecmaFeatures || {}; + const ecmaVersion = languageOptions.ecmaVersion || DEFAULT_ECMA_VERSION; + + return eslintScope.analyze(ast, { + ignoreEval: true, + nodejsScope: ecmaFeatures.globalReturn, + impliedStrict: ecmaFeatures.impliedStrict, + ecmaVersion: typeof ecmaVersion === "number" ? ecmaVersion : 6, + sourceType: languageOptions.sourceType || "script", + childVisitorKeys: visitorKeys || evk.KEYS, + fallback: evk.getKeys, + }); +} + +/** + * Determines if a given object is Espree. + * @param {Object} parser The parser to check. + * @returns {boolean} True if the parser is Espree or false if not. + */ +function isEspree(parser) { + return !!(parser === espree || parser[parserSymbol] === espree); +} + +/** + * Normalize ECMAScript version from the initial config into languageOptions (year) + * format. + * @param {any} [ecmaVersion] ECMAScript version from the initial config + * @returns {number} normalized ECMAScript version + */ +function normalizeEcmaVersionForLanguageOptions(ecmaVersion) { + switch (ecmaVersion) { + case 3: + return 3; + + // void 0 = no ecmaVersion specified so use the default + case 5: + case void 0: + return 5; + + default: + if (typeof ecmaVersion === "number") { + return ecmaVersion >= 2015 ? ecmaVersion : ecmaVersion + 2009; + } + } + + /* + * We default to the latest supported ecmaVersion for everything else. + * Remember, this is for languageOptions.ecmaVersion, which sets the version + * that is used for a number of processes inside of ESLint. It's normally + * safe to assume people want the latest unless otherwise specified. + */ + return LATEST_ECMA_VERSION; +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * @type {Language} + */ +module.exports = { + fileType: "text", + lineStart: 1, + columnStart: 0, + nodeTypeKey: "type", + visitorKeys: evk.KEYS, + + defaultLanguageOptions: { + sourceType: "module", + ecmaVersion: "latest", + parser: espree, + parserOptions: {}, + }, + + validateLanguageOptions, + + /** + * Normalizes the language options. + * @param {Object} languageOptions The language options to normalize. + * @returns {Object} The normalized language options. + */ + normalizeLanguageOptions(languageOptions) { + languageOptions.ecmaVersion = normalizeEcmaVersionForLanguageOptions( + languageOptions.ecmaVersion, + ); + + // Espree expects this information to be passed in + if (isEspree(languageOptions.parser)) { + const parserOptions = languageOptions.parserOptions; + + if (languageOptions.sourceType) { + parserOptions.sourceType = languageOptions.sourceType; + + if ( + parserOptions.sourceType === "module" && + parserOptions.ecmaFeatures && + parserOptions.ecmaFeatures.globalReturn + ) { + parserOptions.ecmaFeatures.globalReturn = false; + } + } + } + + return languageOptions; + }, + + /** + * Determines if a given node matches a given selector class. + * @param {string} className The class name to check. + * @param {ASTNode} node The node to check. + * @param {Array} ancestry The ancestry of the node. + * @returns {boolean} True if there's a match, false if not. + * @throws {Error} When an unknown class name is passed. + */ + matchesSelectorClass(className, node, ancestry) { + /* + * Copyright (c) 2013, Joel Feenstra + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the ESQuery nor the names of its contributors may + * be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL JOEL FEENSTRA BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + switch (className.toLowerCase()) { + case "statement": + if (node.type.slice(-9) === "Statement") { + return true; + } + + // fallthrough: interface Declaration <: Statement { } + + case "declaration": + return node.type.slice(-11) === "Declaration"; + + case "pattern": + if (node.type.slice(-7) === "Pattern") { + return true; + } + + // fallthrough: interface Expression <: Node, Pattern { } + + case "expression": + return ( + node.type.slice(-10) === "Expression" || + node.type.slice(-7) === "Literal" || + (node.type === "Identifier" && + (ancestry.length === 0 || + ancestry[0].type !== "MetaProperty")) || + node.type === "MetaProperty" + ); + + case "function": + return ( + node.type === "FunctionDeclaration" || + node.type === "FunctionExpression" || + node.type === "ArrowFunctionExpression" + ); + + default: + throw new Error(`Unknown class name: ${className}`); + } + }, + + /** + * Parses the given file into an AST. + * @param {File} file The virtual file to parse. + * @param {Object} options Additional options passed from ESLint. + * @param {JSLanguageOptions} options.languageOptions The language options. + * @returns {Object} The result of parsing. + */ + parse(file, { languageOptions }) { + // Note: BOM already removed + const { body: text, path: filePath } = file; + const textToParse = text.replace( + astUtils.shebangPattern, + (match, captured) => `//${captured}`, + ); + const { ecmaVersion, sourceType, parser } = languageOptions; + const parserOptions = Object.assign( + { ecmaVersion, sourceType }, + languageOptions.parserOptions, + { + loc: true, + range: true, + raw: true, + tokens: true, + comment: true, + eslintVisitorKeys: true, + eslintScopeManager: true, + filePath, + }, + ); + + /* + * Check for parsing errors first. If there's a parsing error, nothing + * else can happen. However, a parsing error does not throw an error + * from this method - it's just considered a fatal error message, a + * problem that ESLint identified just like any other. + */ + try { + debug("Parsing:", filePath); + const parseResult = + typeof parser.parseForESLint === "function" + ? parser.parseForESLint(textToParse, parserOptions) + : { ast: parser.parse(textToParse, parserOptions) }; + + debug("Parsing successful:", filePath); + + const { + ast, + services: parserServices = {}, + visitorKeys = evk.KEYS, + scopeManager, + } = parseResult; + + return { + ok: true, + ast, + parserServices, + visitorKeys, + scopeManager, + }; + } catch (ex) { + // If the message includes a leading line number, strip it: + const message = ex.message.replace(/^line \d+:/iu, "").trim(); + + debug("%s\n%s", message, ex.stack); + + return { + ok: false, + errors: [ + { + message, + line: ex.lineNumber, + column: ex.column, + }, + ], + }; + } + }, + + /** + * Creates a new `SourceCode` object from the given information. + * @param {File} file The virtual file to create a `SourceCode` object from. + * @param {OkParseResult} parseResult The result returned from `parse()`. + * @param {Object} options Additional options passed from ESLint. + * @param {JSLanguageOptions} options.languageOptions The language options. + * @returns {SourceCode} The new `SourceCode` object. + */ + createSourceCode(file, parseResult, { languageOptions }) { + const { body: text, path: filePath, bom: hasBOM } = file; + const { ast, parserServices, visitorKeys } = parseResult; + + debug("Scope analysis:", filePath); + const scopeManager = + parseResult.scopeManager || + analyzeScope(ast, languageOptions, visitorKeys); + + debug("Scope analysis successful:", filePath); + + return new SourceCode({ + text, + ast, + hasBOM, + parserServices, + scopeManager, + visitorKeys, + }); + }, +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/index.js b/module/node_modules/eslint/lib/languages/js/source-code/index.js new file mode 100644 index 000000000..f4003e393 --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/index.js @@ -0,0 +1,7 @@ +"use strict"; + +const SourceCode = require("./source-code"); + +module.exports = { + SourceCode, +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/source-code.js b/module/node_modules/eslint/lib/languages/js/source-code/source-code.js new file mode 100644 index 000000000..f31b0933b --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/source-code.js @@ -0,0 +1,1364 @@ +/** + * @fileoverview Abstraction of JavaScript source code. + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { isCommentToken } = require("@eslint-community/eslint-utils"), + TokenStore = require("./token-store"), + astUtils = require("../../../shared/ast-utils"), + Traverser = require("../../../shared/traverser"), + globals = require("../../../../conf/globals"), + { directivesPattern } = require("../../../shared/directives"), + CodePathAnalyzer = require("../../../linter/code-path-analysis/code-path-analyzer"), + { + ConfigCommentParser, + VisitNodeStep, + CallMethodStep, + Directive, + } = require("@eslint/plugin-kit"), + eslintScope = require("eslint-scope"); + +//------------------------------------------------------------------------------ +// Type Definitions +//------------------------------------------------------------------------------ + +/** @typedef {import("eslint-scope").Variable} Variable */ +/** @typedef {import("eslint-scope").Scope} Scope */ +/** @typedef {import("@eslint/core").SourceCode} ISourceCode */ +/** @typedef {import("@eslint/core").Directive} IDirective */ +/** @typedef {import("@eslint/core").TraversalStep} ITraversalStep */ + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ + +const commentParser = new ConfigCommentParser(); + +/** + * Validates that the given AST has the required information. + * @param {ASTNode} ast The Program node of the AST to check. + * @throws {TypeError} If the AST doesn't contain the correct information. + * @returns {void} + * @private + */ +function validate(ast) { + if (!ast) { + throw new TypeError(`Unexpected empty AST. (${ast})`); + } + + if (!ast.tokens) { + throw new TypeError("AST is missing the tokens array."); + } + + if (!ast.comments) { + throw new TypeError("AST is missing the comments array."); + } + + if (!ast.loc) { + throw new TypeError("AST is missing location information."); + } + + if (!ast.range) { + throw new TypeError("AST is missing range information"); + } +} + +/** + * Retrieves globals for the given ecmaVersion. + * @param {number} ecmaVersion The version to retrieve globals for. + * @returns {Object} The globals for the given ecmaVersion. + */ +function getGlobalsForEcmaVersion(ecmaVersion) { + switch (ecmaVersion) { + case 3: + return globals.es3; + + case 5: + return globals.es5; + + default: + if (ecmaVersion < 2015) { + return globals[`es${ecmaVersion + 2009}`]; + } + + return globals[`es${ecmaVersion}`]; + } +} + +/** + * Check to see if its a ES6 export declaration. + * @param {ASTNode} astNode An AST node. + * @returns {boolean} whether the given node represents an export declaration. + * @private + */ +function looksLikeExport(astNode) { + return ( + astNode.type === "ExportDefaultDeclaration" || + astNode.type === "ExportNamedDeclaration" || + astNode.type === "ExportAllDeclaration" || + astNode.type === "ExportSpecifier" + ); +} + +/** + * Merges two sorted lists into a larger sorted list in O(n) time. + * @param {Token[]} tokens The list of tokens. + * @param {Token[]} comments The list of comments. + * @returns {Token[]} A sorted list of tokens and comments. + * @private + */ +function sortedMerge(tokens, comments) { + const result = []; + let tokenIndex = 0; + let commentIndex = 0; + + while (tokenIndex < tokens.length || commentIndex < comments.length) { + if ( + commentIndex >= comments.length || + (tokenIndex < tokens.length && + tokens[tokenIndex].range[0] < comments[commentIndex].range[0]) + ) { + result.push(tokens[tokenIndex++]); + } else { + result.push(comments[commentIndex++]); + } + } + + return result; +} + +/** + * Normalizes a value for a global in a config + * @param {(boolean|string|null)} configuredValue The value given for a global in configuration or in + * a global directive comment + * @returns {("readonly"|"writable"|"off")} The value normalized as a string + * @throws {Error} if global value is invalid + */ +function normalizeConfigGlobal(configuredValue) { + switch (configuredValue) { + case "off": + return "off"; + + case true: + case "true": + case "writeable": + case "writable": + return "writable"; + + case null: + case false: + case "false": + case "readable": + case "readonly": + return "readonly"; + + default: + throw new Error( + `'${configuredValue}' is not a valid configuration for a global (use 'readonly', 'writable', or 'off')`, + ); + } +} + +/** + * Determines if two nodes or tokens overlap. + * @param {ASTNode|Token} first The first node or token to check. + * @param {ASTNode|Token} second The second node or token to check. + * @returns {boolean} True if the two nodes or tokens overlap. + * @private + */ +function nodesOrTokensOverlap(first, second) { + return ( + (first.range[0] <= second.range[0] && + first.range[1] >= second.range[0]) || + (second.range[0] <= first.range[0] && second.range[1] >= first.range[0]) + ); +} + +/** + * Determines if two nodes or tokens have at least one whitespace character + * between them. Order does not matter. Returns false if the given nodes or + * tokens overlap. + * @param {SourceCode} sourceCode The source code object. + * @param {ASTNode|Token} first The first node or token to check between. + * @param {ASTNode|Token} second The second node or token to check between. + * @param {boolean} checkInsideOfJSXText If `true` is present, check inside of JSXText tokens for backward compatibility. + * @returns {boolean} True if there is a whitespace character between + * any of the tokens found between the two given nodes or tokens. + * @public + */ +function isSpaceBetween(sourceCode, first, second, checkInsideOfJSXText) { + if (nodesOrTokensOverlap(first, second)) { + return false; + } + + const [startingNodeOrToken, endingNodeOrToken] = + first.range[1] <= second.range[0] ? [first, second] : [second, first]; + const firstToken = + sourceCode.getLastToken(startingNodeOrToken) || startingNodeOrToken; + const finalToken = + sourceCode.getFirstToken(endingNodeOrToken) || endingNodeOrToken; + let currentToken = firstToken; + + while (currentToken !== finalToken) { + const nextToken = sourceCode.getTokenAfter(currentToken, { + includeComments: true, + }); + + if ( + currentToken.range[1] !== nextToken.range[0] || + /* + * For backward compatibility, check spaces in JSXText. + * https://github.com/eslint/eslint/issues/12614 + */ + (checkInsideOfJSXText && + nextToken !== finalToken && + nextToken.type === "JSXText" && + /\s/u.test(nextToken.value)) + ) { + return true; + } + + currentToken = nextToken; + } + + return false; +} + +/** + * Performs binary search to find the line number containing a given character index. + * Returns the lower bound - the index of the first element greater than the target. + * **Please note that the `lineStartIndices` should be sorted in ascending order**. + * - Time Complexity: O(log n) - Significantly faster than linear search for large files. + * @param {number[]} lineStartIndices Sorted array of line start indices. + * @param {number} target The character index to find the line number for. + * @returns {number} The 1-based line number for the target index. + * @private + */ +function findLineNumberBinarySearch(lineStartIndices, target) { + let low = 0; + let high = lineStartIndices.length; + + while (low < high) { + const mid = ((low + high) / 2) | 0; // Use bitwise OR to floor the division + + if (target < lineStartIndices[mid]) { + high = mid; + } else { + low = mid + 1; + } + } + + return low; +} + +//----------------------------------------------------------------------------- +// Directive Comments +//----------------------------------------------------------------------------- + +/** + * Ensures that variables representing built-in properties of the Global Object, + * and any globals declared by special block comments, are present in the global + * scope. + * @param {Scope} globalScope The global scope. + * @param {Object|undefined} configGlobals The globals declared in configuration + * @param {Object|undefined} inlineGlobals The globals declared in the source code + * @returns {void} + */ +function addDeclaredGlobals( + globalScope, + configGlobals = {}, + inlineGlobals = {}, +) { + // Define configured global variables. + for (const id of new Set([ + ...Object.keys(configGlobals), + ...Object.keys(inlineGlobals), + ])) { + /* + * `normalizeConfigGlobal` will throw an error if a configured global value is invalid. However, these errors would + * typically be caught when validating a config anyway (validity for inline global comments is checked separately). + */ + const configValue = + configGlobals[id] === void 0 + ? void 0 + : normalizeConfigGlobal(configGlobals[id]); + const commentValue = inlineGlobals[id] && inlineGlobals[id].value; + const value = commentValue || configValue; + const sourceComments = inlineGlobals[id] && inlineGlobals[id].comments; + + if (value === "off") { + continue; + } + + let variable = globalScope.set.get(id); + + if (!variable) { + variable = new eslintScope.Variable(id, globalScope); + + globalScope.variables.push(variable); + globalScope.set.set(id, variable); + } + + variable.eslintImplicitGlobalSetting = configValue; + variable.eslintExplicitGlobal = sourceComments !== void 0; + variable.eslintExplicitGlobalComments = sourceComments; + variable.writeable = value === "writable"; + } + + /* + * "through" contains all references which definitions cannot be found. + * Since we augment the global scope using configuration, we need to update + * references and remove the ones that were added by configuration. + */ + globalScope.through = globalScope.through.filter(reference => { + const name = reference.identifier.name; + const variable = globalScope.set.get(name); + + if (variable) { + /* + * Links the variable and the reference. + * And this reference is removed from `Scope#through`. + */ + reference.resolved = variable; + variable.references.push(reference); + + return false; + } + + return true; + }); + + /* + * "implicit" contains information about implicit global variables (those created + * implicitly by assigning values to undeclared variables in non-strict code). + * Since we augment the global scope using configuration, we need to remove + * the ones that were added by configuration, as they are either built-in + * or declared elsewhere, therefore not implicit. + * Since the "implicit" property was not documented, first we'll check if it exists + * because it's possible that not all custom scope managers create this property. + * If it exists, we assume it has properties `variables` and `set`. Property + * `left` is considered optional (for example, typescript-eslint's scope manage + * has this property named `leftToBeResolved`). + */ + const { implicit } = globalScope; + if (typeof implicit === "object" && implicit !== null) { + implicit.variables = implicit.variables.filter(variable => { + const name = variable.name; + if (globalScope.set.has(name)) { + implicit.set.delete(name); + return false; + } + return true; + }); + + if (implicit.left) { + implicit.left = implicit.left.filter( + reference => !globalScope.set.has(reference.identifier.name), + ); + } + } +} + +/** + * Sets the given variable names as exported so they won't be triggered by + * the `no-unused-vars` rule. + * @param {eslint.Scope} globalScope The global scope to define exports in. + * @param {Record} variables An object whose keys are the variable + * names to export. + * @returns {void} + */ +function markExportedVariables(globalScope, variables) { + Object.keys(variables).forEach(name => { + const variable = globalScope.set.get(name); + + if (variable) { + variable.eslintUsed = true; + variable.eslintExported = true; + } + }); +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +const caches = Symbol("caches"); + +/** + * Represents parsed source code. + * @implements {ISourceCode} + */ +class SourceCode extends TokenStore { + /** + * The cache of steps that were taken while traversing the source code. + * @type {Array} + */ + #steps; + + /** + * Creates a new instance. + * @param {string|Object} textOrConfig The source code text or config object. + * @param {string} textOrConfig.text The source code text. + * @param {ASTNode} textOrConfig.ast The Program node of the AST representing the code. This AST should be created from the text that BOM was stripped. + * @param {boolean} textOrConfig.hasBOM Indicates if the text has a Unicode BOM. + * @param {Object|null} textOrConfig.parserServices The parser services. + * @param {ScopeManager|null} textOrConfig.scopeManager The scope of this source code. + * @param {Object|null} textOrConfig.visitorKeys The visitor keys to traverse AST. + * @param {ASTNode} [astIfNoConfig] The Program node of the AST representing the code. This AST should be created from the text that BOM was stripped. + */ + constructor(textOrConfig, astIfNoConfig) { + let text, hasBOM, ast, parserServices, scopeManager, visitorKeys; + + // Process overloading of arguments + if (typeof textOrConfig === "string") { + text = textOrConfig; + ast = astIfNoConfig; + hasBOM = false; + } else if (typeof textOrConfig === "object" && textOrConfig !== null) { + text = textOrConfig.text; + ast = textOrConfig.ast; + hasBOM = textOrConfig.hasBOM; + parserServices = textOrConfig.parserServices; + scopeManager = textOrConfig.scopeManager; + visitorKeys = textOrConfig.visitorKeys; + } + + validate(ast); + super(ast.tokens, ast.comments); + + /** + * General purpose caching for the class. + */ + this[caches] = new Map([ + ["scopes", new WeakMap()], + ["vars", new Map()], + ["configNodes", void 0], + ["isGlobalReference", new WeakMap()], + ]); + + /** + * Indicates if the AST is ESTree compatible. + * @type {boolean} + */ + this.isESTree = ast.type === "Program"; + + /* + * Backwards compatibility for BOM handling. + * + * The `hasBOM` property has been available on the `SourceCode` object + * for a long time and is used to indicate if the source contains a BOM. + * The linter strips the BOM and just passes the `hasBOM` property to the + * `SourceCode` constructor to make it easier for languages to not deal with + * the BOM. + * + * However, the text passed in to the `SourceCode` constructor might still + * have a BOM if the constructor is called outside of the linter, so we still + * need to check for the BOM in the text. + */ + const textHasBOM = text.charCodeAt(0) === 0xfeff; + + /** + * The flag to indicate that the source code has Unicode BOM. + * @type {boolean} + */ + this.hasBOM = textHasBOM || !!hasBOM; + + /** + * The original text source code. + * BOM was stripped from this text. + * @type {string} + */ + this.text = textHasBOM ? text.slice(1) : text; + + /** + * The parsed AST for the source code. + * @type {ASTNode} + */ + this.ast = ast; + + /** + * The parser services of this source code. + * @type {Object} + */ + this.parserServices = parserServices || {}; + + /** + * The scope of this source code. + * @type {ScopeManager|null} + */ + this.scopeManager = scopeManager || null; + + /** + * The visitor keys to traverse AST. + * @type {Object} + */ + this.visitorKeys = visitorKeys || Traverser.DEFAULT_VISITOR_KEYS; + + // Check the source text for the presence of a shebang since it is parsed as a standard line comment. + const shebangMatched = this.text.match(astUtils.shebangPattern); + const hasShebang = + shebangMatched && + ast.comments.length && + ast.comments[0].value === shebangMatched[1]; + + if (hasShebang) { + ast.comments[0].type = "Shebang"; + } + + this.tokensAndComments = sortedMerge(ast.tokens, ast.comments); + + /** + * The source code split into lines according to ECMA-262 specification. + * This is done to avoid each rule needing to do so separately. + * @type {string[]} + */ + this.lines = []; + + /** + * @type {number[]} + */ + this.lineStartIndices = [0]; + + const lineEndingPattern = astUtils.createGlobalLinebreakMatcher(); + let match; + + /* + * Previously, this was implemented using a regex that + * matched a sequence of non-linebreak characters followed by a + * linebreak, then adding the lengths of the matches. However, + * this caused a catastrophic backtracking issue when the end + * of a file contained a large number of non-newline characters. + * To avoid this, the current implementation just matches newlines + * and uses match.index to get the correct line start indices. + */ + while ((match = lineEndingPattern.exec(this.text))) { + this.lines.push( + this.text.slice(this.lineStartIndices.at(-1), match.index), + ); + this.lineStartIndices.push(match.index + match[0].length); + } + this.lines.push(this.text.slice(this.lineStartIndices.at(-1))); + + // don't allow further modification of this object + Object.freeze(this); + Object.freeze(this.lines); + } + + /** + * Split the source code into multiple lines based on the line delimiters. + * @param {string} text Source code as a string. + * @returns {string[]} Array of source code lines. + * @public + */ + static splitLines(text) { + return text.split(astUtils.createGlobalLinebreakMatcher()); + } + + /** + * Gets the source code for the given node. + * @param {ASTNode} [node] The AST node to get the text for. + * @param {number} [beforeCount] The number of characters before the node to retrieve. + * @param {number} [afterCount] The number of characters after the node to retrieve. + * @returns {string} The text representing the AST node. + * @public + */ + getText(node, beforeCount, afterCount) { + if (node) { + return this.text.slice( + Math.max(node.range[0] - (beforeCount || 0), 0), + node.range[1] + (afterCount || 0), + ); + } + return this.text; + } + + /** + * Gets the entire source text split into an array of lines. + * @returns {string[]} The source text as an array of lines. + * @public + */ + getLines() { + return this.lines; + } + + /** + * Retrieves an array containing all comments in the source code. + * @returns {ASTNode[]} An array of comment nodes. + * @public + */ + getAllComments() { + return this.ast.comments; + } + + /** + * Retrieves the JSDoc comment for a given node. + * @param {ASTNode} node The AST node to get the comment for. + * @returns {Token|null} The Block comment token containing the JSDoc comment + * for the given node or null if not found. + * @public + * @deprecated + */ + getJSDocComment(node) { + /** + * Checks for the presence of a JSDoc comment for the given node and returns it. + * @param {ASTNode} astNode The AST node to get the comment for. + * @returns {Token|null} The Block comment token containing the JSDoc comment + * for the given node or null if not found. + * @private + */ + const findJSDocComment = astNode => { + const tokenBefore = this.getTokenBefore(astNode, { + includeComments: true, + }); + + if ( + tokenBefore && + isCommentToken(tokenBefore) && + tokenBefore.type === "Block" && + tokenBefore.value.charAt(0) === "*" && + astNode.loc.start.line - tokenBefore.loc.end.line <= 1 + ) { + return tokenBefore; + } + + return null; + }; + let parent = node.parent; + + switch (node.type) { + case "ClassDeclaration": + case "FunctionDeclaration": + return findJSDocComment( + looksLikeExport(parent) ? parent : node, + ); + + case "ClassExpression": + return findJSDocComment(parent.parent); + + case "ArrowFunctionExpression": + case "FunctionExpression": + if ( + parent.type !== "CallExpression" && + parent.type !== "NewExpression" + ) { + while ( + !this.getCommentsBefore(parent).length && + !/Function/u.test(parent.type) && + parent.type !== "MethodDefinition" && + parent.type !== "Property" + ) { + parent = parent.parent; + + if (!parent) { + break; + } + } + + if ( + parent && + parent.type !== "FunctionDeclaration" && + parent.type !== "Program" + ) { + return findJSDocComment(parent); + } + } + + return findJSDocComment(node); + + // falls through + default: + return null; + } + } + + /** + * Gets the deepest node containing a range index. + * @param {number} index Range index of the desired node. + * @returns {ASTNode} The node if found or null if not found. + * @public + */ + getNodeByRangeIndex(index) { + let result = null; + + Traverser.traverse(this.ast, { + visitorKeys: this.visitorKeys, + enter(node) { + if (node.range[0] <= index && index < node.range[1]) { + result = node; + } else { + this.skip(); + } + }, + leave(node) { + if (node === result) { + this.break(); + } + }, + }); + + return result; + } + + /** + * Determines if two nodes or tokens have at least one whitespace character + * between them. Order does not matter. Returns false if the given nodes or + * tokens overlap. + * @param {ASTNode|Token} first The first node or token to check between. + * @param {ASTNode|Token} second The second node or token to check between. + * @returns {boolean} True if there is a whitespace character between + * any of the tokens found between the two given nodes or tokens. + * @public + */ + isSpaceBetween(first, second) { + return isSpaceBetween(this, first, second, false); + } + + /** + * Determines if two nodes or tokens have at least one whitespace character + * between them. Order does not matter. Returns false if the given nodes or + * tokens overlap. + * For backward compatibility, this method returns true if there are + * `JSXText` tokens that contain whitespaces between the two. + * @param {ASTNode|Token} first The first node or token to check between. + * @param {ASTNode|Token} second The second node or token to check between. + * @returns {boolean} True if there is a whitespace character between + * any of the tokens found between the two given nodes or tokens. + * @deprecated in favor of isSpaceBetween(). + * @public + */ + isSpaceBetweenTokens(first, second) { + return isSpaceBetween(this, first, second, true); + } + + /** + * Converts a source text index into a (line, column) pair. + * @param {number} index The index of a character in a file. + * @throws {TypeError|RangeError} If non-numeric index or index out of range. + * @returns {{line: number, column: number}} A {line, column} location object with 1-indexed line and 0-indexed column. + * @public + */ + getLocFromIndex(index) { + if (typeof index !== "number") { + throw new TypeError("Expected `index` to be a number."); + } + + if (index < 0 || index > this.text.length) { + throw new RangeError( + `Index out of range (requested index ${index}, but source text has length ${this.text.length}).`, + ); + } + + /* + * For an argument of this.text.length, return the location one "spot" past the last character + * of the file. If the last character is a linebreak, the location will be column 0 of the next + * line; otherwise, the location will be in the next column on the same line. + * + * See getIndexFromLoc for the motivation for this special case. + */ + if (index === this.text.length) { + return { + line: this.lines.length, + column: this.lines.at(-1).length, + }; + } + + /* + * To figure out which line index is on, determine the last place at which index could + * be inserted into lineStartIndices to keep the list sorted. + */ + const lineNumber = + index >= this.lineStartIndices.at(-1) + ? this.lineStartIndices.length + : findLineNumberBinarySearch(this.lineStartIndices, index); + + return { + line: lineNumber, + column: index - this.lineStartIndices[lineNumber - 1], + }; + } + + /** + * Converts a (line, column) pair into a range index. + * @param {Object} loc A line/column location + * @param {number} loc.line The line number of the location (1-indexed) + * @param {number} loc.column The column number of the location (0-indexed) + * @throws {TypeError|RangeError} If `loc` is not an object with a numeric + * `line` and `column`, if the `line` is less than or equal to zero or + * the line or column is out of the expected range. + * @returns {number} The range index of the location in the file. + * @public + */ + getIndexFromLoc(loc) { + if ( + loc === null || + typeof loc !== "object" || + typeof loc.line !== "number" || + typeof loc.column !== "number" + ) { + throw new TypeError( + "Expected `loc` to be an object with numeric `line` and `column` properties.", + ); + } + + if (loc.line <= 0) { + throw new RangeError( + `Line number out of range (line ${loc.line} requested). Line numbers should be 1-based.`, + ); + } + + if (loc.line > this.lineStartIndices.length) { + throw new RangeError( + `Line number out of range (line ${loc.line} requested, but only ${this.lineStartIndices.length} lines present).`, + ); + } + + if (loc.column < 0) { + throw new RangeError( + `Invalid column number (column ${loc.column} requested).`, + ); + } + + const lineStartIndex = this.lineStartIndices[loc.line - 1]; + const lineEndIndex = + loc.line === this.lineStartIndices.length + ? this.text.length + : this.lineStartIndices[loc.line]; + const positionIndex = lineStartIndex + loc.column; + + /* + * By design, getIndexFromLoc({ line: lineNum, column: 0 }) should return the start index of + * the given line, provided that the line number is valid element of this.lines. Since the + * last element of this.lines is an empty string for files with trailing newlines, add a + * special case where getting the index for the first location after the end of the file + * will return the length of the file, rather than throwing an error. This allows rules to + * use getIndexFromLoc consistently without worrying about edge cases at the end of a file. + */ + if ( + (loc.line === this.lineStartIndices.length && + positionIndex > lineEndIndex) || + (loc.line < this.lineStartIndices.length && + positionIndex >= lineEndIndex) + ) { + throw new RangeError( + `Column number out of range (column ${loc.column} requested, but the length of line ${loc.line} is ${lineEndIndex - lineStartIndex}).`, + ); + } + + return positionIndex; + } + + /** + * Gets the scope for the given node + * @param {ASTNode} currentNode The node to get the scope of + * @returns {Scope} The scope information for this node + * @throws {TypeError} If the `currentNode` argument is missing. + */ + getScope(currentNode) { + if (!currentNode) { + throw new TypeError("Missing required argument: node."); + } + + // check cache first + const cache = this[caches].get("scopes"); + const cachedScope = cache.get(currentNode); + + if (cachedScope) { + return cachedScope; + } + + // On Program node, get the outermost scope to avoid return Node.js special function scope or ES modules scope. + const inner = currentNode.type !== "Program"; + + for (let node = currentNode; node; node = node.parent) { + const scope = this.scopeManager.acquire(node, inner); + + if (scope) { + if (scope.type === "function-expression-name") { + cache.set(currentNode, scope.childScopes[0]); + return scope.childScopes[0]; + } + + cache.set(currentNode, scope); + return scope; + } + } + + cache.set(currentNode, this.scopeManager.scopes[0]); + return this.scopeManager.scopes[0]; + } + + /** + * Get the variables that `node` defines. + * This is a convenience method that passes through + * to the same method on the `scopeManager`. + * @param {ASTNode} node The node for which the variables are obtained. + * @returns {Array} An array of variable nodes representing + * the variables that `node` defines. + */ + getDeclaredVariables(node) { + return this.scopeManager.getDeclaredVariables(node); + } + + /* eslint-disable class-methods-use-this -- node is owned by SourceCode */ + /** + * Gets all the ancestors of a given node + * @param {ASTNode} node The node + * @returns {Array} All the ancestor nodes in the AST, not including the provided node, starting + * from the root node at index 0 and going inwards to the parent node. + * @throws {TypeError} When `node` is missing. + */ + getAncestors(node) { + if (!node) { + throw new TypeError("Missing required argument: node."); + } + + const ancestorsStartingAtParent = []; + + for (let ancestor = node.parent; ancestor; ancestor = ancestor.parent) { + ancestorsStartingAtParent.push(ancestor); + } + + return ancestorsStartingAtParent.reverse(); + } + + /** + * Determines whether the given identifier node is a reference to a global variable. + * @param {ASTNode} node `Identifier` node to check. + * @returns {boolean} True if the identifier is a reference to a global variable. + */ + isGlobalReference(node) { + if (!node) { + throw new TypeError("Missing required argument: node."); + } + + const cache = this[caches].get("isGlobalReference"); + + if (cache.has(node)) { + return cache.get(node); + } + + if (node.type !== "Identifier") { + cache.set(node, false); + return false; + } + + const variable = this.scopeManager.scopes[0].set.get(node.name); + + if (!variable || variable.defs.length > 0) { + cache.set(node, false); + return false; + } + + const result = variable.references.some( + ({ identifier }) => identifier === node, + ); + cache.set(node, result); + return result; + } + + /** + * Returns the location of the given node or token. + * @param {ASTNode|Token} nodeOrToken The node or token to get the location of. + * @returns {SourceLocation} The location of the node or token. + */ + getLoc(nodeOrToken) { + return nodeOrToken.loc; + } + + /** + * Returns the range of the given node or token. + * @param {ASTNode|Token} nodeOrToken The node or token to get the range of. + * @returns {[number, number]} The range of the node or token. + */ + getRange(nodeOrToken) { + return nodeOrToken.range; + } + + /* eslint-enable class-methods-use-this -- node is owned by SourceCode */ + + /** + * Marks a variable as used in the current scope + * @param {string} name The name of the variable to mark as used. + * @param {ASTNode} [refNode] The closest node to the variable reference. + * @returns {boolean} True if the variable was found and marked as used, false if not. + */ + markVariableAsUsed(name, refNode = this.ast) { + const currentScope = this.getScope(refNode); + let initialScope = currentScope; + + /* + * When we are in an ESM or CommonJS module, we need to start searching + * from the top-level scope, not the global scope. For ESM the top-level + * scope is the module scope; for CommonJS the top-level scope is the + * outer function scope. + * + * Without this check, we might miss a variable declared with `var` at + * the top-level because it won't exist in the global scope. + */ + if ( + currentScope.type === "global" && + currentScope.childScopes.length > 0 && + // top-level scopes refer to a `Program` node + currentScope.childScopes[0].block === this.ast + ) { + initialScope = currentScope.childScopes[0]; + } + + for (let scope = initialScope; scope; scope = scope.upper) { + const variable = scope.variables.find( + scopeVar => scopeVar.name === name, + ); + + if (variable) { + variable.eslintUsed = true; + return true; + } + } + + return false; + } + + /** + * Returns an array of all inline configuration nodes found in the + * source code. + * @returns {Array} An array of all inline configuration nodes. + */ + getInlineConfigNodes() { + // check the cache first + let configNodes = this[caches].get("configNodes"); + + if (configNodes) { + return configNodes; + } + + // calculate fresh config nodes + configNodes = this.ast.comments.filter(comment => { + // shebang comments are never directives + if (comment.type === "Shebang") { + return false; + } + + const directive = commentParser.parseDirective(comment.value); + + if (!directive) { + return false; + } + + if (!directivesPattern.test(directive.label)) { + return false; + } + + // only certain comment types are supported as line comments + return ( + comment.type !== "Line" || + !!/^eslint-disable-(?:next-)?line$/u.test(directive.label) + ); + }); + + this[caches].set("configNodes", configNodes); + + return configNodes; + } + + /** + * Returns an all directive nodes that enable or disable rules along with any problems + * encountered while parsing the directives. + * @returns {{problems:Array,directives:Array}} Information + * that ESLint needs to further process the directives. + */ + getDisableDirectives() { + // check the cache first + const cachedDirectives = this[caches].get("disableDirectives"); + + if (cachedDirectives) { + return cachedDirectives; + } + + const problems = []; + const directives = []; + + this.getInlineConfigNodes().forEach(comment => { + // Step 1: Parse the directive + const { + label, + value, + justification: justificationPart, + } = commentParser.parseDirective(comment.value); + + // Step 2: Extract the directive value + const lineCommentSupported = + /^eslint-disable-(?:next-)?line$/u.test(label); + + if (comment.type === "Line" && !lineCommentSupported) { + return; + } + + // Step 3: Validate the directive does not span multiple lines + if ( + label === "eslint-disable-line" && + comment.loc.start.line !== comment.loc.end.line + ) { + const message = `${label} comment should not span multiple lines.`; + + problems.push({ + ruleId: null, + message, + loc: comment.loc, + }); + return; + } + + // Step 4: Extract the directive value and create the Directive object + switch (label) { + case "eslint-disable": + case "eslint-enable": + case "eslint-disable-next-line": + case "eslint-disable-line": { + const directiveType = label.slice("eslint-".length); + + directives.push( + new Directive({ + type: directiveType, + node: comment, + value, + justification: justificationPart, + }), + ); + } + + // no default + } + }); + + const result = { problems, directives }; + + this[caches].set("disableDirectives", result); + + return result; + } + + /** + * Applies language options sent in from the core. + * @param {Object} languageOptions The language options for this run. + * @returns {void} + */ + applyLanguageOptions(languageOptions) { + /* + * Add configured globals and language globals + * + * Using Object.assign instead of object spread for performance reasons + * https://github.com/eslint/eslint/issues/16302 + */ + const configGlobals = Object.assign( + Object.create(null), // https://github.com/eslint/eslint/issues/18363 + getGlobalsForEcmaVersion(languageOptions.ecmaVersion), + languageOptions.sourceType === "commonjs" + ? globals.commonjs + : void 0, + languageOptions.globals, + ); + const varsCache = this[caches].get("vars"); + + varsCache.set("configGlobals", configGlobals); + } + + /** + * Applies configuration found inside of the source code. This method is only + * called when ESLint is running with inline configuration allowed. + * @returns {{problems:Array,configs:{config:FlatConfigArray,loc:Location}}} Information + * that ESLint needs to further process the inline configuration. + */ + applyInlineConfig() { + const problems = []; + const configs = []; + const exportedVariables = {}; + const inlineGlobals = Object.create(null); + + this.getInlineConfigNodes().forEach(comment => { + const { label, value } = commentParser.parseDirective( + comment.value, + ); + + switch (label) { + case "exported": + Object.assign( + exportedVariables, + commentParser.parseListConfig(value), + ); + break; + + case "globals": + case "global": + for (const [id, idSetting] of Object.entries( + commentParser.parseStringConfig(value), + )) { + let normalizedValue; + + try { + normalizedValue = normalizeConfigGlobal(idSetting); + } catch (err) { + problems.push({ + ruleId: null, + loc: comment.loc, + message: err.message, + }); + continue; + } + + if (inlineGlobals[id]) { + inlineGlobals[id].comments.push(comment); + inlineGlobals[id].value = normalizedValue; + } else { + inlineGlobals[id] = { + comments: [comment], + value: normalizedValue, + }; + } + } + break; + + case "eslint": { + const parseResult = + commentParser.parseJSONLikeConfig(value); + + if (parseResult.ok) { + configs.push({ + config: { + rules: parseResult.config, + }, + loc: comment.loc, + }); + } else { + problems.push({ + ruleId: null, + loc: comment.loc, + message: parseResult.error.message, + }); + } + + break; + } + + // no default + } + }); + + // save all the new variables for later + const varsCache = this[caches].get("vars"); + + varsCache.set("inlineGlobals", inlineGlobals); + varsCache.set("exportedVariables", exportedVariables); + + return { + configs, + problems, + }; + } + + /** + * Called by ESLint core to indicate that it has finished providing + * information. We now add in all the missing variables and ensure that + * state-changing methods cannot be called by rules. + * @returns {void} + */ + finalize() { + const varsCache = this[caches].get("vars"); + const configGlobals = varsCache.get("configGlobals"); + const inlineGlobals = varsCache.get("inlineGlobals"); + const exportedVariables = varsCache.get("exportedVariables"); + const globalScope = this.scopeManager.scopes[0]; + + addDeclaredGlobals(globalScope, configGlobals, inlineGlobals); + + if (exportedVariables) { + markExportedVariables(globalScope, exportedVariables); + } + } + + /** + * Traverse the source code and return the steps that were taken. + * @returns {Array} The steps that were taken while traversing the source code. + */ + traverse() { + // Because the AST doesn't mutate, we can cache the steps + if (this.#steps) { + return this.#steps; + } + + const steps = (this.#steps = []); + + /* + * This logic works for any AST, not just ESTree. Because ESLint has allowed + * custom parsers to return any AST, we need to ensure that the traversal + * logic works for any AST. + */ + let analyzer = { + enterNode(node) { + steps.push( + new VisitNodeStep({ + target: node, + phase: 1, + args: [node], + }), + ); + }, + leaveNode(node) { + steps.push( + new VisitNodeStep({ + target: node, + phase: 2, + args: [node], + }), + ); + }, + emit(eventName, args) { + steps.push( + new CallMethodStep({ + target: eventName, + args, + }), + ); + }, + }; + + /* + * We do code path analysis for ESTree only. Code path analysis is not + * necessary for other ASTs, and it's also not possible to do for other + * ASTs because the necessary information is not available. + * + * Generally speaking, we can tell that the AST is an ESTree if it has a + * Program node at the top level. This is not a perfect heuristic, but it + * is good enough for now. + */ + if (this.isESTree) { + analyzer = new CodePathAnalyzer(analyzer); + } + + /* + * The actual AST traversal is done by the `Traverser` class. This class + * is responsible for walking the AST and calling the appropriate methods + * on the `analyzer` object, which is appropriate for the given AST. + */ + Traverser.traverse(this.ast, { + enter(node, parent) { + // save the parent node on a property for backwards compatibility + node.parent = parent; + + analyzer.enterNode(node); + }, + leave(node) { + analyzer.leaveNode(node); + }, + visitorKeys: this.visitorKeys, + }); + + return steps; + } +} + +module.exports = SourceCode; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/backward-token-comment-cursor.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/backward-token-comment-cursor.js new file mode 100644 index 000000000..56f920a47 --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/backward-token-comment-cursor.js @@ -0,0 +1,61 @@ +/** + * @fileoverview Define the cursor which iterates tokens and comments in reverse. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const Cursor = require("./cursor"); +const utils = require("./utils"); + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The cursor which iterates tokens and comments in reverse. + */ +module.exports = class BackwardTokenCommentCursor extends Cursor { + /** + * Initializes this cursor. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @param {Object} indexMap The map from locations to indices in `tokens`. + * @param {number} startLoc The start location of the iteration range. + * @param {number} endLoc The end location of the iteration range. + */ + constructor(tokens, comments, indexMap, startLoc, endLoc) { + super(); + this.tokens = tokens; + this.comments = comments; + this.tokenIndex = utils.getLastIndex(tokens, indexMap, endLoc); + this.commentIndex = utils.search(comments, endLoc) - 1; + this.border = startLoc; + } + + /** @inheritdoc */ + moveNext() { + const token = + this.tokenIndex >= 0 ? this.tokens[this.tokenIndex] : null; + const comment = + this.commentIndex >= 0 ? this.comments[this.commentIndex] : null; + + if (token && (!comment || token.range[1] > comment.range[1])) { + this.current = token; + this.tokenIndex -= 1; + } else if (comment) { + this.current = comment; + this.commentIndex -= 1; + } else { + this.current = null; + } + + return ( + Boolean(this.current) && + (this.border === -1 || this.current.range[0] >= this.border) + ); + } +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/backward-token-cursor.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/backward-token-cursor.js new file mode 100644 index 000000000..b6b2e120d --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/backward-token-cursor.js @@ -0,0 +1,57 @@ +/** + * @fileoverview Define the cursor which iterates tokens only in reverse. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const Cursor = require("./cursor"); +const { getLastIndex, getFirstIndex } = require("./utils"); + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The cursor which iterates tokens only in reverse. + */ +module.exports = class BackwardTokenCursor extends Cursor { + /** + * Initializes this cursor. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @param {Object} indexMap The map from locations to indices in `tokens`. + * @param {number} startLoc The start location of the iteration range. + * @param {number} endLoc The end location of the iteration range. + */ + constructor(tokens, comments, indexMap, startLoc, endLoc) { + super(); + this.tokens = tokens; + this.index = getLastIndex(tokens, indexMap, endLoc); + this.indexEnd = getFirstIndex(tokens, indexMap, startLoc); + } + + /** @inheritdoc */ + moveNext() { + if (this.index >= this.indexEnd) { + this.current = this.tokens[this.index]; + this.index -= 1; + return true; + } + return false; + } + + /* + * + * Shorthand for performance. + * + */ + + /** @inheritdoc */ + getOneToken() { + return this.index >= this.indexEnd ? this.tokens[this.index] : null; + } +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/cursor.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/cursor.js new file mode 100644 index 000000000..e640d23fb --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/cursor.js @@ -0,0 +1,76 @@ +/** + * @fileoverview Define the abstract class about cursors which iterate tokens. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The abstract class about cursors which iterate tokens. + * + * This class has 2 abstract methods. + * + * - `current: Token | Comment | null` ... The current token. + * - `moveNext(): boolean` ... Moves this cursor to the next token. If the next token didn't exist, it returns `false`. + * + * This is similar to ES2015 Iterators. + * However, Iterators were slow (at 2017-01), so I created this class as similar to C# IEnumerable. + * + * There are the following known sub classes. + * + * - ForwardTokenCursor .......... The cursor which iterates tokens only. + * - BackwardTokenCursor ......... The cursor which iterates tokens only in reverse. + * - ForwardTokenCommentCursor ... The cursor which iterates tokens and comments. + * - BackwardTokenCommentCursor .. The cursor which iterates tokens and comments in reverse. + * - DecorativeCursor + * - FilterCursor ............ The cursor which ignores the specified tokens. + * - SkipCursor .............. The cursor which ignores the first few tokens. + * - LimitCursor ............. The cursor which limits the count of tokens. + * + */ +module.exports = class Cursor { + /** + * Initializes this cursor. + */ + constructor() { + this.current = null; + } + + /** + * Gets the first token. + * This consumes this cursor. + * @returns {Token|Comment} The first token or null. + */ + getOneToken() { + return this.moveNext() ? this.current : null; + } + + /** + * Gets the first tokens. + * This consumes this cursor. + * @returns {(Token|Comment)[]} All tokens. + */ + getAllTokens() { + const tokens = []; + + while (this.moveNext()) { + tokens.push(this.current); + } + + return tokens; + } + + /** + * Moves this cursor to the next token. + * @returns {boolean} `true` if the next token exists. + * @abstract + */ + /* c8 ignore next */ + // eslint-disable-next-line class-methods-use-this -- Unused + moveNext() { + throw new Error("Not implemented."); + } +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/cursors.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/cursors.js new file mode 100644 index 000000000..1e9c084cf --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/cursors.js @@ -0,0 +1,120 @@ +/** + * @fileoverview Define 2 token factories; forward and backward. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const BackwardTokenCommentCursor = require("./backward-token-comment-cursor"); +const BackwardTokenCursor = require("./backward-token-cursor"); +const FilterCursor = require("./filter-cursor"); +const ForwardTokenCommentCursor = require("./forward-token-comment-cursor"); +const ForwardTokenCursor = require("./forward-token-cursor"); +const LimitCursor = require("./limit-cursor"); +const SkipCursor = require("./skip-cursor"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * The cursor factory. + * @private + */ +class CursorFactory { + /** + * Initializes this cursor. + * @param {Function} TokenCursor The class of the cursor which iterates tokens only. + * @param {Function} TokenCommentCursor The class of the cursor which iterates the mix of tokens and comments. + */ + constructor(TokenCursor, TokenCommentCursor) { + this.TokenCursor = TokenCursor; + this.TokenCommentCursor = TokenCommentCursor; + } + + /** + * Creates a base cursor instance that can be decorated by createCursor. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @param {Object} indexMap The map from locations to indices in `tokens`. + * @param {number} startLoc The start location of the iteration range. + * @param {number} endLoc The end location of the iteration range. + * @param {boolean} includeComments The flag to iterate comments as well. + * @returns {Cursor} The created base cursor. + */ + createBaseCursor( + tokens, + comments, + indexMap, + startLoc, + endLoc, + includeComments, + ) { + const Cursor = includeComments + ? this.TokenCommentCursor + : this.TokenCursor; + + return new Cursor(tokens, comments, indexMap, startLoc, endLoc); + } + + /** + * Creates a cursor that iterates tokens with normalized options. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @param {Object} indexMap The map from locations to indices in `tokens`. + * @param {number} startLoc The start location of the iteration range. + * @param {number} endLoc The end location of the iteration range. + * @param {boolean} includeComments The flag to iterate comments as well. + * @param {Function|null} filter The predicate function to choose tokens. + * @param {number} skip The count of tokens the cursor skips. + * @param {number} count The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility. + * @returns {Cursor} The created cursor. + */ + createCursor( + tokens, + comments, + indexMap, + startLoc, + endLoc, + includeComments, + filter, + skip, + count, + ) { + let cursor = this.createBaseCursor( + tokens, + comments, + indexMap, + startLoc, + endLoc, + includeComments, + ); + + if (filter) { + cursor = new FilterCursor(cursor, filter); + } + if (skip >= 1) { + cursor = new SkipCursor(cursor, skip); + } + if (count >= 0) { + cursor = new LimitCursor(cursor, count); + } + + return cursor; + } +} + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +module.exports = { + forward: new CursorFactory(ForwardTokenCursor, ForwardTokenCommentCursor), + backward: new CursorFactory( + BackwardTokenCursor, + BackwardTokenCommentCursor, + ), +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/decorative-cursor.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/decorative-cursor.js new file mode 100644 index 000000000..3a1d21ecc --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/decorative-cursor.js @@ -0,0 +1,38 @@ +/** + * @fileoverview Define the abstract class about cursors which manipulate another cursor. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const Cursor = require("./cursor"); + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The abstract class about cursors which manipulate another cursor. + */ +module.exports = class DecorativeCursor extends Cursor { + /** + * Initializes this cursor. + * @param {Cursor} cursor The cursor to be decorated. + */ + constructor(cursor) { + super(); + this.cursor = cursor; + } + + /** @inheritdoc */ + moveNext() { + const retv = this.cursor.moveNext(); + + this.current = this.cursor.current; + + return retv; + } +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/filter-cursor.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/filter-cursor.js new file mode 100644 index 000000000..1e2ec9969 --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/filter-cursor.js @@ -0,0 +1,42 @@ +/** + * @fileoverview Define the cursor which ignores specified tokens. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const DecorativeCursor = require("./decorative-cursor"); + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The decorative cursor which ignores specified tokens. + */ +module.exports = class FilterCursor extends DecorativeCursor { + /** + * Initializes this cursor. + * @param {Cursor} cursor The cursor to be decorated. + * @param {Function} predicate The predicate function to decide tokens this cursor iterates. + */ + constructor(cursor, predicate) { + super(cursor); + this.predicate = predicate; + } + + /** @inheritdoc */ + moveNext() { + const predicate = this.predicate; + + while (super.moveNext()) { + if (predicate(this.current)) { + return true; + } + } + return false; + } +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/forward-token-comment-cursor.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/forward-token-comment-cursor.js new file mode 100644 index 000000000..d4a1439fe --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/forward-token-comment-cursor.js @@ -0,0 +1,65 @@ +/** + * @fileoverview Define the cursor which iterates tokens and comments. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const Cursor = require("./cursor"); +const { getFirstIndex, search } = require("./utils"); + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The cursor which iterates tokens and comments. + */ +module.exports = class ForwardTokenCommentCursor extends Cursor { + /** + * Initializes this cursor. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @param {Object} indexMap The map from locations to indices in `tokens`. + * @param {number} startLoc The start location of the iteration range. + * @param {number} endLoc The end location of the iteration range. + */ + constructor(tokens, comments, indexMap, startLoc, endLoc) { + super(); + this.tokens = tokens; + this.comments = comments; + this.tokenIndex = getFirstIndex(tokens, indexMap, startLoc); + this.commentIndex = search(comments, startLoc); + this.border = endLoc; + } + + /** @inheritdoc */ + moveNext() { + const token = + this.tokenIndex < this.tokens.length + ? this.tokens[this.tokenIndex] + : null; + const comment = + this.commentIndex < this.comments.length + ? this.comments[this.commentIndex] + : null; + + if (token && (!comment || token.range[0] < comment.range[0])) { + this.current = token; + this.tokenIndex += 1; + } else if (comment) { + this.current = comment; + this.commentIndex += 1; + } else { + this.current = null; + } + + return ( + Boolean(this.current) && + (this.border === -1 || this.current.range[1] <= this.border) + ); + } +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/forward-token-cursor.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/forward-token-cursor.js new file mode 100644 index 000000000..5ca2290f1 --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/forward-token-cursor.js @@ -0,0 +1,62 @@ +/** + * @fileoverview Define the cursor which iterates tokens only. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const Cursor = require("./cursor"); +const { getFirstIndex, getLastIndex } = require("./utils"); + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The cursor which iterates tokens only. + */ +module.exports = class ForwardTokenCursor extends Cursor { + /** + * Initializes this cursor. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @param {Object} indexMap The map from locations to indices in `tokens`. + * @param {number} startLoc The start location of the iteration range. + * @param {number} endLoc The end location of the iteration range. + */ + constructor(tokens, comments, indexMap, startLoc, endLoc) { + super(); + this.tokens = tokens; + this.index = getFirstIndex(tokens, indexMap, startLoc); + this.indexEnd = getLastIndex(tokens, indexMap, endLoc); + } + + /** @inheritdoc */ + moveNext() { + if (this.index <= this.indexEnd) { + this.current = this.tokens[this.index]; + this.index += 1; + return true; + } + return false; + } + + /* + * + * Shorthand for performance. + * + */ + + /** @inheritdoc */ + getOneToken() { + return this.index <= this.indexEnd ? this.tokens[this.index] : null; + } + + /** @inheritdoc */ + getAllTokens() { + return this.tokens.slice(this.index, this.indexEnd + 1); + } +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/index.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/index.js new file mode 100644 index 000000000..120438a9d --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/index.js @@ -0,0 +1,721 @@ +/** + * @fileoverview Object to handle access and retrieval of tokens. + * @author Brandon Mills + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { isCommentToken } = require("@eslint-community/eslint-utils"); +const assert = require("../../../../shared/assert"); +const cursors = require("./cursors"); +const ForwardTokenCursor = require("./forward-token-cursor"); +const PaddedTokenCursor = require("./padded-token-cursor"); +const utils = require("./utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const TOKENS = Symbol("tokens"); +const COMMENTS = Symbol("comments"); +const INDEX_MAP = Symbol("indexMap"); + +/** + * Creates the map from locations to indices in `tokens`. + * + * The first/last location of tokens is mapped to the index of the token. + * The first/last location of comments is mapped to the index of the next token of each comment. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @returns {Object} The map from locations to indices in `tokens`. + * @private + */ +function createIndexMap(tokens, comments) { + const map = Object.create(null); + let tokenIndex = 0; + let commentIndex = 0; + let nextStart; + let range; + + while (tokenIndex < tokens.length || commentIndex < comments.length) { + nextStart = + commentIndex < comments.length + ? comments[commentIndex].range[0] + : Number.MAX_SAFE_INTEGER; + while ( + tokenIndex < tokens.length && + (range = tokens[tokenIndex].range)[0] < nextStart + ) { + map[range[0]] = tokenIndex; + map[range[1] - 1] = tokenIndex; + tokenIndex += 1; + } + + nextStart = + tokenIndex < tokens.length + ? tokens[tokenIndex].range[0] + : Number.MAX_SAFE_INTEGER; + while ( + commentIndex < comments.length && + (range = comments[commentIndex].range)[0] < nextStart + ) { + map[range[0]] = tokenIndex; + map[range[1] - 1] = tokenIndex; + commentIndex += 1; + } + } + + return map; +} + +/** + * Creates the cursor iterates tokens with options. + * @param {CursorFactory} factory The cursor factory to initialize cursor. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @param {Object} indexMap The map from locations to indices in `tokens`. + * @param {number} startLoc The start location of the iteration range. + * @param {number} endLoc The end location of the iteration range. + * @param {number|Function|Object} [opts=0] The option object. If this is a number then it's `opts.skip`. If this is a function then it's `opts.filter`. + * @param {boolean} [opts.includeComments=false] The flag to iterate comments as well. + * @param {Function|null} [opts.filter=null] The predicate function to choose tokens. + * @param {number} [opts.skip=0] The count of tokens the cursor skips. + * @returns {Cursor} The created cursor. + * @private + */ +function createCursorWithSkip( + factory, + tokens, + comments, + indexMap, + startLoc, + endLoc, + opts, +) { + let includeComments = false; + let skip = 0; + let filter = null; + + if (typeof opts === "number") { + skip = opts | 0; + } else if (typeof opts === "function") { + filter = opts; + } else if (opts) { + includeComments = !!opts.includeComments; + skip = opts.skip | 0; + filter = opts.filter || null; + } + assert(skip >= 0, "options.skip should be zero or a positive integer."); + assert( + !filter || typeof filter === "function", + "options.filter should be a function.", + ); + + return factory.createCursor( + tokens, + comments, + indexMap, + startLoc, + endLoc, + includeComments, + filter, + skip, + -1, + ); +} + +/** + * Creates the cursor iterates tokens with options. + * @param {CursorFactory} factory The cursor factory to initialize cursor. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @param {Object} indexMap The map from locations to indices in `tokens`. + * @param {number} startLoc The start location of the iteration range. + * @param {number} endLoc The end location of the iteration range. + * @param {number|Function|Object} [opts=0] The option object. If this is a number then it's `opts.count`. If this is a function then it's `opts.filter`. + * @param {boolean} [opts.includeComments] The flag to iterate comments as well. + * @param {Function|null} [opts.filter=null] The predicate function to choose tokens. + * @param {number} [opts.count=0] The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility. + * @returns {Cursor} The created cursor. + * @private + */ +function createCursorWithCount( + factory, + tokens, + comments, + indexMap, + startLoc, + endLoc, + opts, +) { + let includeComments = false; + let count = 0; + let countExists = false; + let filter = null; + + if (typeof opts === "number") { + count = opts | 0; + countExists = true; + } else if (typeof opts === "function") { + filter = opts; + } else if (opts) { + includeComments = !!opts.includeComments; + count = opts.count | 0; + countExists = typeof opts.count === "number"; + filter = opts.filter || null; + } + assert(count >= 0, "options.count should be zero or a positive integer."); + assert( + !filter || typeof filter === "function", + "options.filter should be a function.", + ); + + return factory.createCursor( + tokens, + comments, + indexMap, + startLoc, + endLoc, + includeComments, + filter, + 0, + countExists ? count : -1, + ); +} + +/** + * Creates the cursor iterates tokens with options. + * This is overload function of the below. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @param {Object} indexMap The map from locations to indices in `tokens`. + * @param {number} startLoc The start location of the iteration range. + * @param {number} endLoc The end location of the iteration range. + * @param {Function|Object} opts The option object. If this is a function then it's `opts.filter`. + * @param {boolean} [opts.includeComments] The flag to iterate comments as well. + * @param {Function|null} [opts.filter=null] The predicate function to choose tokens. + * @param {number} [opts.count=0] The maximum count of tokens the cursor iterates. Zero is no iteration for backward compatibility. + * @returns {Cursor} The created cursor. + * @private + */ +/** + * Creates the cursor iterates tokens with options. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @param {Object} indexMap The map from locations to indices in `tokens`. + * @param {number} startLoc The start location of the iteration range. + * @param {number} endLoc The end location of the iteration range. + * @param {number} [beforeCount=0] The number of tokens before the node to retrieve. + * @param {boolean} [afterCount=0] The number of tokens after the node to retrieve. + * @returns {Cursor} The created cursor. + * @private + */ +function createCursorWithPadding( + tokens, + comments, + indexMap, + startLoc, + endLoc, + beforeCount, + afterCount, +) { + if ( + typeof beforeCount === "undefined" && + typeof afterCount === "undefined" + ) { + return new ForwardTokenCursor( + tokens, + comments, + indexMap, + startLoc, + endLoc, + ); + } + if (typeof beforeCount === "number" || typeof beforeCount === "undefined") { + return new PaddedTokenCursor( + tokens, + comments, + indexMap, + startLoc, + endLoc, + beforeCount | 0, + afterCount | 0, + ); + } + return createCursorWithCount( + cursors.forward, + tokens, + comments, + indexMap, + startLoc, + endLoc, + beforeCount, + ); +} + +/** + * Gets comment tokens that are adjacent to the current cursor position. + * @param {Cursor} cursor A cursor instance. + * @returns {Array} An array of comment tokens adjacent to the current cursor position. + * @private + */ +function getAdjacentCommentTokensFromCursor(cursor) { + const tokens = []; + let currentToken = cursor.getOneToken(); + + while (currentToken && isCommentToken(currentToken)) { + tokens.push(currentToken); + currentToken = cursor.getOneToken(); + } + + return tokens; +} + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The token store. + * + * This class provides methods to get tokens by locations as fast as possible. + * The methods are a part of public API, so we should be careful if it changes this class. + * + * People can get tokens in O(1) by the hash map which is mapping from the location of tokens/comments to tokens. + * Also people can get a mix of tokens and comments in O(log k), the k is the number of comments. + * Assuming that comments to be much fewer than tokens, this does not make hash map from token's locations to comments to reduce memory cost. + * This uses binary-searching instead for comments. + */ +module.exports = class TokenStore { + /** + * Initializes this token store. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + */ + constructor(tokens, comments) { + this[TOKENS] = tokens; + this[COMMENTS] = comments; + this[INDEX_MAP] = createIndexMap(tokens, comments); + } + + //-------------------------------------------------------------------------- + // Gets single token. + //-------------------------------------------------------------------------- + + /** + * Gets the token starting at the specified index. + * @param {number} offset Index of the start of the token's range. + * @param {Object} [options=0] The option object. + * @param {boolean} [options.includeComments=false] The flag to iterate comments as well. + * @returns {Token|null} The token starting at index, or null if no such token. + */ + getTokenByRangeStart(offset, options) { + const includeComments = options && options.includeComments; + const token = cursors.forward + .createBaseCursor( + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + offset, + -1, + includeComments, + ) + .getOneToken(); + + if (token && token.range[0] === offset) { + return token; + } + return null; + } + + /** + * Gets the first token of the given node. + * @param {ASTNode} node The AST node. + * @param {number|Function|Object} [options=0] The option object. If this is a number then it's `options.skip`. If this is a function then it's `options.filter`. + * @param {boolean} [options.includeComments=false] The flag to iterate comments as well. + * @param {Function|null} [options.filter=null] The predicate function to choose tokens. + * @param {number} [options.skip=0] The count of tokens the cursor skips. + * @returns {Token|null} An object representing the token. + */ + getFirstToken(node, options) { + return createCursorWithSkip( + cursors.forward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + node.range[0], + node.range[1], + options, + ).getOneToken(); + } + + /** + * Gets the last token of the given node. + * @param {ASTNode} node The AST node. + * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken() + * @returns {Token|null} An object representing the token. + */ + getLastToken(node, options) { + return createCursorWithSkip( + cursors.backward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + node.range[0], + node.range[1], + options, + ).getOneToken(); + } + + /** + * Gets the token that precedes a given node or token. + * @param {ASTNode|Token|Comment} node The AST node or token. + * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken() + * @returns {Token|null} An object representing the token. + */ + getTokenBefore(node, options) { + return createCursorWithSkip( + cursors.backward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + -1, + node.range[0], + options, + ).getOneToken(); + } + + /** + * Gets the token that follows a given node or token. + * @param {ASTNode|Token|Comment} node The AST node or token. + * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken() + * @returns {Token|null} An object representing the token. + */ + getTokenAfter(node, options) { + return createCursorWithSkip( + cursors.forward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + node.range[1], + -1, + options, + ).getOneToken(); + } + + /** + * Gets the first token between two non-overlapping nodes. + * @param {ASTNode|Token|Comment} left Node before the desired token range. + * @param {ASTNode|Token|Comment} right Node after the desired token range. + * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken() + * @returns {Token|null} An object representing the token. + */ + getFirstTokenBetween(left, right, options) { + return createCursorWithSkip( + cursors.forward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + left.range[1], + right.range[0], + options, + ).getOneToken(); + } + + /** + * Gets the last token between two non-overlapping nodes. + * @param {ASTNode|Token|Comment} left Node before the desired token range. + * @param {ASTNode|Token|Comment} right Node after the desired token range. + * @param {number|Function|Object} [options=0] The option object. Same options as getFirstToken() + * @returns {Token|null} An object representing the token. + */ + getLastTokenBetween(left, right, options) { + return createCursorWithSkip( + cursors.backward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + left.range[1], + right.range[0], + options, + ).getOneToken(); + } + + /** + * Gets the token that precedes a given node or token in the token stream. + * This is defined for backward compatibility. Use `includeComments` option instead. + * TODO: We have a plan to remove this in a future major version. + * @param {ASTNode|Token|Comment} node The AST node or token. + * @param {number} [skip=0] A number of tokens to skip. + * @returns {Token|null} An object representing the token. + * @deprecated + */ + getTokenOrCommentBefore(node, skip) { + return this.getTokenBefore(node, { includeComments: true, skip }); + } + + /** + * Gets the token that follows a given node or token in the token stream. + * This is defined for backward compatibility. Use `includeComments` option instead. + * TODO: We have a plan to remove this in a future major version. + * @param {ASTNode|Token|Comment} node The AST node or token. + * @param {number} [skip=0] A number of tokens to skip. + * @returns {Token|null} An object representing the token. + * @deprecated + */ + getTokenOrCommentAfter(node, skip) { + return this.getTokenAfter(node, { includeComments: true, skip }); + } + + //-------------------------------------------------------------------------- + // Gets multiple tokens. + //-------------------------------------------------------------------------- + + /** + * Gets the first `count` tokens of the given node. + * @param {ASTNode} node The AST node. + * @param {number|Function|Object} [options=0] The option object. If this is a number then it's `options.count`. If this is a function then it's `options.filter`. + * @param {boolean} [options.includeComments=false] The flag to iterate comments as well. + * @param {Function|null} [options.filter=null] The predicate function to choose tokens. + * @param {number} [options.count=0] The maximum count of tokens the cursor iterates. + * @returns {Token[]} Tokens. + */ + getFirstTokens(node, options) { + return createCursorWithCount( + cursors.forward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + node.range[0], + node.range[1], + options, + ).getAllTokens(); + } + + /** + * Gets the last `count` tokens of the given node. + * @param {ASTNode} node The AST node. + * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens() + * @returns {Token[]} Tokens. + */ + getLastTokens(node, options) { + return createCursorWithCount( + cursors.backward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + node.range[0], + node.range[1], + options, + ) + .getAllTokens() + .reverse(); + } + + /** + * Gets the `count` tokens that precedes a given node or token. + * @param {ASTNode|Token|Comment} node The AST node or token. + * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens() + * @returns {Token[]} Tokens. + */ + getTokensBefore(node, options) { + return createCursorWithCount( + cursors.backward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + -1, + node.range[0], + options, + ) + .getAllTokens() + .reverse(); + } + + /** + * Gets the `count` tokens that follows a given node or token. + * @param {ASTNode|Token|Comment} node The AST node or token. + * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens() + * @returns {Token[]} Tokens. + */ + getTokensAfter(node, options) { + return createCursorWithCount( + cursors.forward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + node.range[1], + -1, + options, + ).getAllTokens(); + } + + /** + * Gets the first `count` tokens between two non-overlapping nodes. + * @param {ASTNode|Token|Comment} left Node before the desired token range. + * @param {ASTNode|Token|Comment} right Node after the desired token range. + * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens() + * @returns {Token[]} Tokens between left and right. + */ + getFirstTokensBetween(left, right, options) { + return createCursorWithCount( + cursors.forward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + left.range[1], + right.range[0], + options, + ).getAllTokens(); + } + + /** + * Gets the last `count` tokens between two non-overlapping nodes. + * @param {ASTNode|Token|Comment} left Node before the desired token range. + * @param {ASTNode|Token|Comment} right Node after the desired token range. + * @param {number|Function|Object} [options=0] The option object. Same options as getFirstTokens() + * @returns {Token[]} Tokens between left and right. + */ + getLastTokensBetween(left, right, options) { + return createCursorWithCount( + cursors.backward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + left.range[1], + right.range[0], + options, + ) + .getAllTokens() + .reverse(); + } + + /** + * Gets all tokens that are related to the given node. + * @param {ASTNode} node The AST node. + * @param {Function|Object} options The option object. If this is a function then it's `options.filter`. + * @param {boolean} [options.includeComments=false] The flag to iterate comments as well. + * @param {Function|null} [options.filter=null] The predicate function to choose tokens. + * @param {number} [options.count=0] The maximum count of tokens the cursor iterates. + * @returns {Token[]} Array of objects representing tokens. + */ + /** + * Gets all tokens that are related to the given node. + * @param {ASTNode} node The AST node. + * @param {number} [beforeCount=0] The number of tokens before the node to retrieve. + * @param {number} [afterCount=0] The number of tokens after the node to retrieve. + * @returns {Token[]} Array of objects representing tokens. + */ + getTokens(node, beforeCount, afterCount) { + return createCursorWithPadding( + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + node.range[0], + node.range[1], + beforeCount, + afterCount, + ).getAllTokens(); + } + + /** + * Gets all of the tokens between two non-overlapping nodes. + * @param {ASTNode|Token|Comment} left Node before the desired token range. + * @param {ASTNode|Token|Comment} right Node after the desired token range. + * @param {Function|Object} options The option object. If this is a function then it's `options.filter`. + * @param {boolean} [options.includeComments=false] The flag to iterate comments as well. + * @param {Function|null} [options.filter=null] The predicate function to choose tokens. + * @param {number} [options.count=0] The maximum count of tokens the cursor iterates. + * @returns {Token[]} Tokens between left and right. + */ + /** + * Gets all of the tokens between two non-overlapping nodes. + * @param {ASTNode|Token|Comment} left Node before the desired token range. + * @param {ASTNode|Token|Comment} right Node after the desired token range. + * @param {number} [padding=0] Number of extra tokens on either side of center. + * @returns {Token[]} Tokens between left and right. + */ + getTokensBetween(left, right, padding) { + return createCursorWithPadding( + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + left.range[1], + right.range[0], + padding, + padding, + ).getAllTokens(); + } + + //-------------------------------------------------------------------------- + // Others. + //-------------------------------------------------------------------------- + + /** + * Checks whether any comments exist or not between the given 2 nodes. + * @param {ASTNode} left The node to check. + * @param {ASTNode} right The node to check. + * @returns {boolean} `true` if one or more comments exist. + */ + commentsExistBetween(left, right) { + const index = utils.search(this[COMMENTS], left.range[1]); + + return ( + index < this[COMMENTS].length && + this[COMMENTS][index].range[1] <= right.range[0] + ); + } + + /** + * Gets all comment tokens directly before the given node or token. + * @param {ASTNode|token} nodeOrToken The AST node or token to check for adjacent comment tokens. + * @returns {Array} An array of comments in occurrence order. + */ + getCommentsBefore(nodeOrToken) { + const cursor = createCursorWithCount( + cursors.backward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + -1, + nodeOrToken.range[0], + { includeComments: true }, + ); + + return getAdjacentCommentTokensFromCursor(cursor).reverse(); + } + + /** + * Gets all comment tokens directly after the given node or token. + * @param {ASTNode|token} nodeOrToken The AST node or token to check for adjacent comment tokens. + * @returns {Array} An array of comments in occurrence order. + */ + getCommentsAfter(nodeOrToken) { + const cursor = createCursorWithCount( + cursors.forward, + this[TOKENS], + this[COMMENTS], + this[INDEX_MAP], + nodeOrToken.range[1], + -1, + { includeComments: true }, + ); + + return getAdjacentCommentTokensFromCursor(cursor); + } + + /** + * Gets all comment tokens inside the given node. + * @param {ASTNode} node The AST node to get the comments for. + * @returns {Array} An array of comments in occurrence order. + */ + getCommentsInside(node) { + return this.getTokens(node, { + includeComments: true, + filter: isCommentToken, + }); + } +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/limit-cursor.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/limit-cursor.js new file mode 100644 index 000000000..301d7f54c --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/limit-cursor.js @@ -0,0 +1,39 @@ +/** + * @fileoverview Define the cursor which limits the number of tokens. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const DecorativeCursor = require("./decorative-cursor"); + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The decorative cursor which limits the number of tokens. + */ +module.exports = class LimitCursor extends DecorativeCursor { + /** + * Initializes this cursor. + * @param {Cursor} cursor The cursor to be decorated. + * @param {number} count The count of tokens this cursor iterates. + */ + constructor(cursor, count) { + super(cursor); + this.count = count; + } + + /** @inheritdoc */ + moveNext() { + if (this.count > 0) { + this.count -= 1; + return super.moveNext(); + } + return false; + } +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/padded-token-cursor.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/padded-token-cursor.js new file mode 100644 index 000000000..3d3ce04f1 --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/padded-token-cursor.js @@ -0,0 +1,45 @@ +/** + * @fileoverview Define the cursor which iterates tokens only, with inflated range. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const ForwardTokenCursor = require("./forward-token-cursor"); + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The cursor which iterates tokens only, with inflated range. + * This is for the backward compatibility of padding options. + */ +module.exports = class PaddedTokenCursor extends ForwardTokenCursor { + /** + * Initializes this cursor. + * @param {Token[]} tokens The array of tokens. + * @param {Comment[]} comments The array of comments. + * @param {Object} indexMap The map from locations to indices in `tokens`. + * @param {number} startLoc The start location of the iteration range. + * @param {number} endLoc The end location of the iteration range. + * @param {number} beforeCount The number of tokens this cursor iterates before start. + * @param {number} afterCount The number of tokens this cursor iterates after end. + */ + constructor( + tokens, + comments, + indexMap, + startLoc, + endLoc, + beforeCount, + afterCount, + ) { + super(tokens, comments, indexMap, startLoc, endLoc); + this.index = Math.max(0, this.index - beforeCount); + this.indexEnd = Math.min(tokens.length - 1, this.indexEnd + afterCount); + } +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/skip-cursor.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/skip-cursor.js new file mode 100644 index 000000000..6bc43d856 --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/skip-cursor.js @@ -0,0 +1,41 @@ +/** + * @fileoverview Define the cursor which ignores the first few tokens. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const DecorativeCursor = require("./decorative-cursor"); + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The decorative cursor which ignores the first few tokens. + */ +module.exports = class SkipCursor extends DecorativeCursor { + /** + * Initializes this cursor. + * @param {Cursor} cursor The cursor to be decorated. + * @param {number} count The count of tokens this cursor skips. + */ + constructor(cursor, count) { + super(cursor); + this.count = count; + } + + /** @inheritdoc */ + moveNext() { + while (this.count > 0) { + this.count -= 1; + if (!super.moveNext()) { + return false; + } + } + return super.moveNext(); + } +}; diff --git a/module/node_modules/eslint/lib/languages/js/source-code/token-store/utils.js b/module/node_modules/eslint/lib/languages/js/source-code/token-store/utils.js new file mode 100644 index 000000000..94e456c9f --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/source-code/token-store/utils.js @@ -0,0 +1,110 @@ +/** + * @fileoverview Define utility functions for token store. + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * Finds the index of the first token which is after the given location. + * If it was not found, this returns `tokens.length`. + * @param {(Token|Comment)[]} tokens It searches the token in this list. + * @param {number} location The location to search. + * @returns {number} The found index or `tokens.length`. + */ +exports.search = function search(tokens, location) { + for ( + let minIndex = 0, maxIndex = tokens.length - 1; + minIndex <= maxIndex; + + ) { + /* + * Calculate the index in the middle between minIndex and maxIndex. + * `| 0` is used to round a fractional value down to the nearest integer: this is similar to + * using `Math.trunc()` or `Math.floor()`, but performance tests have shown this method to + * be faster. + */ + const index = ((minIndex + maxIndex) / 2) | 0; + const token = tokens[index]; + const tokenStartLocation = token.range[0]; + + if (location <= tokenStartLocation) { + if (index === minIndex) { + return index; + } + maxIndex = index; + } else { + minIndex = index + 1; + } + } + return tokens.length; +}; + +/** + * Gets the index of the `startLoc` in `tokens`. + * `startLoc` can be the value of `node.range[1]`, so this checks about `startLoc - 1` as well. + * @param {(Token|Comment)[]} tokens The tokens to find an index. + * @param {Object} indexMap The map from locations to indices. + * @param {number} startLoc The location to get an index. + * @returns {number} The index. + */ +exports.getFirstIndex = function getFirstIndex(tokens, indexMap, startLoc) { + if (startLoc in indexMap) { + return indexMap[startLoc]; + } + if (startLoc - 1 in indexMap) { + const index = indexMap[startLoc - 1]; + const token = tokens[index]; + + // If the mapped index is out of bounds, the returned cursor index will point after the end of the tokens array. + if (!token) { + return tokens.length; + } + + /* + * For the map of "comment's location -> token's index", it points the next token of a comment. + * In that case, +1 is unnecessary. + */ + if (token.range[0] >= startLoc) { + return index; + } + return index + 1; + } + return 0; +}; + +/** + * Gets the index of the `endLoc` in `tokens`. + * The information of end locations are recorded at `endLoc - 1` in `indexMap`, so this checks about `endLoc - 1` as well. + * @param {(Token|Comment)[]} tokens The tokens to find an index. + * @param {Object} indexMap The map from locations to indices. + * @param {number} endLoc The location to get an index. + * @returns {number} The index. + */ +exports.getLastIndex = function getLastIndex(tokens, indexMap, endLoc) { + if (endLoc in indexMap) { + return indexMap[endLoc] - 1; + } + if (endLoc - 1 in indexMap) { + const index = indexMap[endLoc - 1]; + const token = tokens[index]; + + // If the mapped index is out of bounds, the returned cursor index will point before the end of the tokens array. + if (!token) { + return tokens.length - 1; + } + + /* + * For the map of "comment's location -> token's index", it points the next token of a comment. + * In that case, -1 is necessary. + */ + if (token.range[1] > endLoc) { + return index - 1; + } + return index; + } + return tokens.length - 1; +}; diff --git a/module/node_modules/eslint/lib/languages/js/validate-language-options.js b/module/node_modules/eslint/lib/languages/js/validate-language-options.js new file mode 100644 index 000000000..23ed26664 --- /dev/null +++ b/module/node_modules/eslint/lib/languages/js/validate-language-options.js @@ -0,0 +1,196 @@ +/** + * @fileoverview The schema to validate language options + * @author Nicholas C. Zakas + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Data +//----------------------------------------------------------------------------- + +const globalVariablesValues = new Set([ + true, + "true", + "writable", + "writeable", + false, + "false", + "readonly", + "readable", + null, + "off", +]); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Check if a value is a non-null object. + * @param {any} value The value to check. + * @returns {boolean} `true` if the value is a non-null object. + */ +function isNonNullObject(value) { + return typeof value === "object" && value !== null; +} + +/** + * Check if a value is a non-null non-array object. + * @param {any} value The value to check. + * @returns {boolean} `true` if the value is a non-null non-array object. + */ +function isNonArrayObject(value) { + return isNonNullObject(value) && !Array.isArray(value); +} + +/** + * Check if a value is undefined. + * @param {any} value The value to check. + * @returns {boolean} `true` if the value is undefined. + */ +function isUndefined(value) { + return typeof value === "undefined"; +} + +//----------------------------------------------------------------------------- +// Schemas +//----------------------------------------------------------------------------- + +/** + * Validates the ecmaVersion property. + * @param {string|number} ecmaVersion The value to check. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ +function validateEcmaVersion(ecmaVersion) { + if (isUndefined(ecmaVersion)) { + throw new TypeError( + 'Key "ecmaVersion": Expected an "ecmaVersion" property.', + ); + } + + if (typeof ecmaVersion !== "number" && ecmaVersion !== "latest") { + throw new TypeError( + 'Key "ecmaVersion": Expected a number or "latest".', + ); + } +} + +/** + * Validates the sourceType property. + * @param {string} sourceType The value to check. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ +function validateSourceType(sourceType) { + if ( + typeof sourceType !== "string" || + !/^(?:script|module|commonjs)$/u.test(sourceType) + ) { + throw new TypeError( + 'Key "sourceType": Expected "script", "module", or "commonjs".', + ); + } +} + +/** + * Validates the globals property. + * @param {Object} globals The value to check. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ +function validateGlobals(globals) { + if (!isNonArrayObject(globals)) { + throw new TypeError('Key "globals": Expected an object.'); + } + + for (const key of Object.keys(globals)) { + // avoid hairy edge case + if (key === "__proto__") { + continue; + } + + if (key !== key.trim()) { + throw new TypeError( + `Key "globals": Global "${key}" has leading or trailing whitespace.`, + ); + } + + if (!globalVariablesValues.has(globals[key])) { + throw new TypeError( + `Key "globals": Key "${key}": Expected "readonly", "writable", or "off".`, + ); + } + } +} + +/** + * Validates the parser property. + * @param {Object} parser The value to check. + * @returns {void} + * @throws {TypeError} If the value is invalid. + */ +function validateParser(parser) { + if ( + !parser || + typeof parser !== "object" || + (typeof parser.parse !== "function" && + typeof parser.parseForESLint !== "function") + ) { + throw new TypeError( + 'Key "parser": Expected object with parse() or parseForESLint() method.', + ); + } +} + +/** + * Validates the language options. + * @param {Object} languageOptions The language options to validate. + * @returns {void} + * @throws {TypeError} If the language options are invalid. + */ +function validateLanguageOptions(languageOptions) { + if (!isNonArrayObject(languageOptions)) { + throw new TypeError("Expected an object."); + } + + const { + ecmaVersion, + sourceType, + globals, + parser, + parserOptions, + ...otherOptions + } = languageOptions; + + if ("ecmaVersion" in languageOptions) { + validateEcmaVersion(ecmaVersion); + } + + if ("sourceType" in languageOptions) { + validateSourceType(sourceType); + } + + if ("globals" in languageOptions) { + validateGlobals(globals); + } + + if ("parser" in languageOptions) { + validateParser(parser); + } + + if ("parserOptions" in languageOptions) { + if (!isNonArrayObject(parserOptions)) { + throw new TypeError('Key "parserOptions": Expected an object.'); + } + } + + const otherOptionKeys = Object.keys(otherOptions); + + if (otherOptionKeys.length > 0) { + throw new TypeError(`Unexpected key "${otherOptionKeys[0]}" found.`); + } +} + +module.exports = { validateLanguageOptions }; diff --git a/module/node_modules/eslint/lib/linter/apply-disable-directives.js b/module/node_modules/eslint/lib/linter/apply-disable-directives.js new file mode 100644 index 000000000..529be9e73 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/apply-disable-directives.js @@ -0,0 +1,584 @@ +/** + * @fileoverview A module that filters reported problems based on `eslint-disable` and `eslint-enable` comments + * @author Teddy Katz + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** @typedef {import("../types").Linter.LintMessage} LintMessage */ +/** @typedef {import("@eslint/core").Language} Language */ +/** @typedef {import("@eslint/core").Position} Position */ +/** @typedef {import("@eslint/core").RulesConfig} RulesConfig */ + +//------------------------------------------------------------------------------ +// Module Definition +//------------------------------------------------------------------------------ + +const escapeRegExp = require("escape-string-regexp"); +const { Config } = require("../config/config.js"); + +/** + * Compares the locations of two objects in a source file + * @param {Position} itemA The first object + * @param {Position} itemB The second object + * @returns {number} A value less than 1 if itemA appears before itemB in the source file, greater than 1 if + * itemA appears after itemB in the source file, or 0 if itemA and itemB have the same location. + */ +function compareLocations(itemA, itemB) { + return itemA.line - itemB.line || itemA.column - itemB.column; +} + +/** + * Groups a set of directives into sub-arrays by their parent comment. + * @param {Iterable} directives Unused directives to be removed. + * @returns {Directive[][]} Directives grouped by their parent comment. + */ +function groupByParentDirective(directives) { + const groups = new Map(); + + for (const directive of directives) { + const { + unprocessedDirective: { parentDirective }, + } = directive; + + if (groups.has(parentDirective)) { + groups.get(parentDirective).push(directive); + } else { + groups.set(parentDirective, [directive]); + } + } + + return [...groups.values()]; +} + +/** + * Creates removal details for a set of directives within the same comment. + * @param {Directive[]} directives Unused directives to be removed. + * @param {{node: Token, value: string}} parentDirective Data about the backing directive. + * @param {SourceCode} sourceCode The source code object for the file being linted. + * @returns {{ description, fix, unprocessedDirective }[]} Details for later creation of output Problems. + */ +function createIndividualDirectivesRemoval( + directives, + parentDirective, + sourceCode, +) { + /* + * Get the list of the rules text without any surrounding whitespace. In order to preserve the original + * formatting, we don't want to change that whitespace. + * + * // eslint-disable-line rule-one , rule-two , rule-three -- comment + * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + */ + const listText = parentDirective.value.trim(); + + // Calculate where it starts in the source code text + const listStart = sourceCode.text.indexOf( + listText, + sourceCode.getRange(parentDirective.node)[0], + ); + + /* + * We can assume that `listText` contains multiple elements. + * Otherwise, this function wouldn't be called - if there is + * only one rule in the list, then the whole comment must be removed. + */ + + return directives.map(directive => { + const { ruleId } = directive; + + const regex = new RegExp( + String.raw`(?:^|\s*,\s*)(?['"]?)${escapeRegExp(ruleId)}\k(?:\s*,\s*|$)`, + "u", + ); + const match = regex.exec(listText); + const matchedText = match[0]; + const matchStart = listStart + match.index; + const matchEnd = matchStart + matchedText.length; + + const firstIndexOfComma = matchedText.indexOf(","); + const lastIndexOfComma = matchedText.lastIndexOf(","); + + let removalStart, removalEnd; + + if (firstIndexOfComma !== lastIndexOfComma) { + /* + * Since there are two commas, this must one of the elements in the middle of the list. + * Matched range starts where the previous rule name ends, and ends where the next rule name starts. + * + * // eslint-disable-line rule-one , rule-two , rule-three -- comment + * ^^^^^^^^^^^^^^ + * + * We want to remove only the content between the two commas, and also one of the commas. + * + * // eslint-disable-line rule-one , rule-two , rule-three -- comment + * ^^^^^^^^^^^ + */ + removalStart = matchStart + firstIndexOfComma; + removalEnd = matchStart + lastIndexOfComma; + } else { + /* + * This is either the first element or the last element. + * + * If this is the first element, matched range starts where the first rule name starts + * and ends where the second rule name starts. This is exactly the range we want + * to remove so that the second rule name will start where the first one was starting + * and thus preserve the original formatting. + * + * // eslint-disable-line rule-one , rule-two , rule-three -- comment + * ^^^^^^^^^^^ + * + * Similarly, if this is the last element, we've already matched the range we want to + * remove. The previous rule name will end where the last one was ending, relative + * to the content on the right side. + * + * // eslint-disable-line rule-one , rule-two , rule-three -- comment + * ^^^^^^^^^^^^^ + */ + removalStart = matchStart; + removalEnd = matchEnd; + } + + return { + description: `'${ruleId}'`, + fix: { + range: [removalStart, removalEnd], + text: "", + }, + unprocessedDirective: directive.unprocessedDirective, + }; + }); +} + +/** + * Creates a description of deleting an entire unused disable directive. + * @param {Directive[]} directives Unused directives to be removed. + * @param {Token} node The backing Comment token. + * @param {SourceCode} sourceCode The source code object for the file being linted. + * @returns {{ description, fix, unprocessedDirective }} Details for later creation of an output problem. + */ +function createDirectiveRemoval(directives, node, sourceCode) { + const range = sourceCode.getRange(node); + const ruleIds = directives + .filter(directive => directive.ruleId) + .map(directive => `'${directive.ruleId}'`); + + return { + description: + ruleIds.length <= 2 + ? ruleIds.join(" or ") + : `${ruleIds.slice(0, ruleIds.length - 1).join(", ")}, or ${ruleIds.at(-1)}`, + fix: { + range, + text: " ", + }, + unprocessedDirective: directives[0].unprocessedDirective, + }; +} + +/** + * Parses details from directives to create output Problems. + * @param {Iterable} allDirectives Unused directives to be removed. + * @param {SourceCode} sourceCode The source code object for the file being linted. + * @returns {{ description, fix, unprocessedDirective }[]} Details for later creation of output Problems. + */ +function processUnusedDirectives(allDirectives, sourceCode) { + const directiveGroups = groupByParentDirective(allDirectives); + + return directiveGroups.flatMap(directives => { + const { parentDirective } = directives[0].unprocessedDirective; + const remainingRuleIds = new Set(parentDirective.ruleIds); + + for (const directive of directives) { + remainingRuleIds.delete(directive.ruleId); + } + + return remainingRuleIds.size + ? createIndividualDirectivesRemoval( + directives, + parentDirective, + sourceCode, + ) + : [ + createDirectiveRemoval( + directives, + parentDirective.node, + sourceCode, + ), + ]; + }); +} + +/** + * Collect eslint-enable comments that are removing suppressions by eslint-disable comments. + * @param {Directive[]} directives The directives to check. + * @returns {Set} The used eslint-enable comments + */ +function collectUsedEnableDirectives(directives) { + /** + * A Map of `eslint-enable` keyed by ruleIds that may be marked as used. + * If `eslint-enable` does not have a ruleId, the key will be `null`. + * @type {Map} + */ + const enabledRules = new Map(); + + /** + * A Set of `eslint-enable` marked as used. + * It is also the return value of `collectUsedEnableDirectives` function. + * @type {Set} + */ + const usedEnableDirectives = new Set(); + + /* + * Checks the directives backwards to see if the encountered `eslint-enable` is used by the previous `eslint-disable`, + * and if so, stores the `eslint-enable` in `usedEnableDirectives`. + */ + for (let index = directives.length - 1; index >= 0; index--) { + const directive = directives[index]; + + if (directive.type === "disable") { + if (enabledRules.size === 0) { + continue; + } + if (directive.ruleId === null) { + // If encounter `eslint-disable` without ruleId, + // mark all `eslint-enable` currently held in enabledRules as used. + // e.g. + // /* eslint-disable */ <- current directive + // /* eslint-enable rule-id1 */ <- used + // /* eslint-enable rule-id2 */ <- used + // /* eslint-enable */ <- used + for (const enableDirective of enabledRules.values()) { + usedEnableDirectives.add(enableDirective); + } + enabledRules.clear(); + } else { + const enableDirective = enabledRules.get(directive.ruleId); + + if (enableDirective) { + // If encounter `eslint-disable` with ruleId, and there is an `eslint-enable` with the same ruleId in enabledRules, + // mark `eslint-enable` with ruleId as used. + // e.g. + // /* eslint-disable rule-id */ <- current directive + // /* eslint-enable rule-id */ <- used + usedEnableDirectives.add(enableDirective); + } else { + const enabledDirectiveWithoutRuleId = + enabledRules.get(null); + + if (enabledDirectiveWithoutRuleId) { + // If encounter `eslint-disable` with ruleId, and there is no `eslint-enable` with the same ruleId in enabledRules, + // mark `eslint-enable` without ruleId as used. + // e.g. + // /* eslint-disable rule-id */ <- current directive + // /* eslint-enable */ <- used + usedEnableDirectives.add(enabledDirectiveWithoutRuleId); + } + } + } + } else if (directive.type === "enable") { + if (directive.ruleId === null) { + // If encounter `eslint-enable` without ruleId, the `eslint-enable` that follows it are unused. + // So clear enabledRules. + // e.g. + // /* eslint-enable */ <- current directive + // /* eslint-enable rule-id *// <- unused + // /* eslint-enable */ <- unused + enabledRules.clear(); + enabledRules.set(null, directive); + } else { + enabledRules.set(directive.ruleId, directive); + } + } + } + return usedEnableDirectives; +} + +/** + * This is the same as the exported function, except that it + * doesn't handle disable-line and disable-next-line directives, and it always reports unused + * disable directives. + * @param {Object} options options for applying directives. This is the same as the options + * for the exported function, except that `reportUnusedDisableDirectives` is not supported + * (this function always reports unused disable directives). + * @returns {{problems: LintMessage[], unusedDirectives: LintMessage[]}} An object with a list + * of problems (including suppressed ones) and unused eslint-disable directives + */ +function applyDirectives(options) { + const problems = []; + const usedDisableDirectives = new Set(); + const { sourceCode } = options; + + for (const problem of options.problems) { + let disableDirectivesForProblem = []; + let nextDirectiveIndex = 0; + + while ( + nextDirectiveIndex < options.directives.length && + compareLocations(options.directives[nextDirectiveIndex], problem) <= + 0 + ) { + const directive = options.directives[nextDirectiveIndex++]; + + if ( + directive.ruleId === null || + directive.ruleId === problem.ruleId + ) { + switch (directive.type) { + case "disable": + disableDirectivesForProblem.push(directive); + break; + + case "enable": + disableDirectivesForProblem = []; + break; + + // no default + } + } + } + + if (disableDirectivesForProblem.length > 0) { + const suppressions = disableDirectivesForProblem.map(directive => ({ + kind: "directive", + justification: directive.unprocessedDirective.justification, + })); + + if (problem.suppressions) { + problem.suppressions = + problem.suppressions.concat(suppressions); + } else { + problem.suppressions = suppressions; + usedDisableDirectives.add(disableDirectivesForProblem.at(-1)); + } + } + + problems.push(problem); + } + + const unusedDisableDirectivesToReport = options.directives.filter( + directive => + directive.type === "disable" && + !usedDisableDirectives.has(directive) && + !options.rulesToIgnore.has(directive.ruleId), + ); + + const unusedEnableDirectivesToReport = new Set( + options.directives.filter( + directive => + directive.unprocessedDirective.type === "enable" && + !options.rulesToIgnore.has(directive.ruleId), + ), + ); + + /* + * If directives has the eslint-enable directive, + * check whether the eslint-enable comment is used. + */ + if (unusedEnableDirectivesToReport.size > 0) { + for (const directive of collectUsedEnableDirectives( + options.directives, + )) { + unusedEnableDirectivesToReport.delete(directive); + } + } + + const processed = processUnusedDirectives( + unusedDisableDirectivesToReport, + sourceCode, + ).concat( + processUnusedDirectives(unusedEnableDirectivesToReport, sourceCode), + ); + const columnOffset = options.language.columnStart === 1 ? 0 : 1; + const lineOffset = options.language.lineStart === 1 ? 0 : 1; + + const unusedDirectives = processed.map( + ({ description, fix, unprocessedDirective }) => { + const { parentDirective, type, line, column } = + unprocessedDirective; + + let message; + + if (type === "enable") { + message = description + ? `Unused eslint-enable directive (no matching eslint-disable directives were found for ${description}).` + : "Unused eslint-enable directive (no matching eslint-disable directives were found)."; + } else { + message = description + ? `Unused eslint-disable directive (no problems were reported from ${description}).` + : "Unused eslint-disable directive (no problems were reported)."; + } + + const loc = sourceCode.getLoc(parentDirective.node); + + return { + ruleId: null, + message, + line: + type === "disable-next-line" + ? loc.start.line + lineOffset + : line, + column: + type === "disable-next-line" + ? loc.start.column + columnOffset + : column, + severity: + options.reportUnusedDisableDirectives === "warn" ? 1 : 2, + nodeType: null, + ...(options.disableFixes ? {} : { fix }), + }; + }, + ); + + return { problems, unusedDirectives }; +} + +/** + * Given a list of directive comments (i.e. metadata about eslint-disable and eslint-enable comments) and a list + * of reported problems, adds the suppression information to the problems. + * @param {Object} options Information about directives and problems + * @param {Language} options.language The language being linted. + * @param {SourceCode} options.sourceCode The source code object for the file being linted. + * @param {{ + * type: ("disable"|"enable"|"disable-line"|"disable-next-line"), + * ruleId: (string|null), + * line: number, + * column: number, + * justification: string + * }} options.directives Directive comments found in the file, with one-based columns. + * Two directive comments can only have the same location if they also have the same type (e.g. a single eslint-disable + * comment for two different rules is represented as two directives). + * @param {{ruleId: (string|null), line: number, column: number}[]} options.problems + * A list of problems reported by rules, sorted by increasing location in the file, with one-based columns. + * @param {"off" | "warn" | "error"} options.reportUnusedDisableDirectives If `"warn"` or `"error"`, adds additional problems for unused directives + * @param {RulesConfig} options.configuredRules The rules configuration. + * @param {Function} options.ruleFilter A predicate function to filter which rules should be executed. + * @param {boolean} options.disableFixes If true, it doesn't make `fix` properties. + * @returns {{ruleId: (string|null), line: number, column: number, suppressions?: {kind: string, justification: string}}[]} + * An object with a list of reported problems, the suppressed of which contain the suppression information. + */ +module.exports = ({ + language, + sourceCode, + directives, + disableFixes, + problems, + configuredRules, + ruleFilter, + reportUnusedDisableDirectives = "off", +}) => { + const blockDirectives = directives + .filter( + directive => + directive.type === "disable" || directive.type === "enable", + ) + .map(directive => + Object.assign({}, directive, { unprocessedDirective: directive }), + ) + .sort(compareLocations); + + const lineDirectives = directives + .flatMap(directive => { + switch (directive.type) { + case "disable": + case "enable": + return []; + + case "disable-line": + return [ + { + type: "disable", + line: directive.line, + column: 1, + ruleId: directive.ruleId, + unprocessedDirective: directive, + }, + { + type: "enable", + line: directive.line + 1, + column: 0, + ruleId: directive.ruleId, + unprocessedDirective: directive, + }, + ]; + + case "disable-next-line": + return [ + { + type: "disable", + line: directive.line + 1, + column: 1, + ruleId: directive.ruleId, + unprocessedDirective: directive, + }, + { + type: "enable", + line: directive.line + 2, + column: 0, + ruleId: directive.ruleId, + unprocessedDirective: directive, + }, + ]; + + default: + throw new TypeError( + `Unrecognized directive type '${directive.type}'`, + ); + } + }) + .sort(compareLocations); + + // This determines a list of rules that are not being run by the given ruleFilter, if present. + const rulesToIgnore = + configuredRules && ruleFilter + ? new Set( + Object.keys(configuredRules).filter(ruleId => { + const severity = Config.getRuleNumericSeverity( + configuredRules[ruleId], + ); + + // Ignore for disabled rules. + if (severity === 0) { + return false; + } + + return !ruleFilter({ severity, ruleId }); + }), + ) + : new Set(); + + // If no ruleId is supplied that means this directive is applied to all rules, so we can't determine if it's unused if any rules are filtered out. + if (rulesToIgnore.size > 0) { + rulesToIgnore.add(null); + } + + const blockDirectivesResult = applyDirectives({ + language, + sourceCode, + problems, + directives: blockDirectives, + disableFixes, + reportUnusedDisableDirectives, + rulesToIgnore, + }); + const lineDirectivesResult = applyDirectives({ + language, + sourceCode, + problems: blockDirectivesResult.problems, + directives: lineDirectives, + disableFixes, + reportUnusedDisableDirectives, + rulesToIgnore, + }); + + return reportUnusedDisableDirectives !== "off" + ? lineDirectivesResult.problems + .concat(blockDirectivesResult.unusedDirectives) + .concat(lineDirectivesResult.unusedDirectives) + .sort(compareLocations) + : lineDirectivesResult.problems; +}; diff --git a/module/node_modules/eslint/lib/linter/code-path-analysis/code-path-analyzer.js b/module/node_modules/eslint/lib/linter/code-path-analysis/code-path-analyzer.js new file mode 100644 index 000000000..fc728d10d --- /dev/null +++ b/module/node_modules/eslint/lib/linter/code-path-analysis/code-path-analyzer.js @@ -0,0 +1,828 @@ +/** + * @fileoverview A class of the code path analyzer. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const assert = require("../../shared/assert"), + { breakableTypePattern } = require("../../shared/ast-utils"), + CodePath = require("./code-path"), + CodePathSegment = require("./code-path-segment"), + IdGenerator = require("./id-generator"), + debug = require("./debug-helpers"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not a given node is a `case` node (not `default` node). + * @param {ASTNode} node A `SwitchCase` node to check. + * @returns {boolean} `true` if the node is a `case` node (not `default` node). + */ +function isCaseNode(node) { + return Boolean(node.test); +} + +/** + * Checks if a given node appears as the value of a PropertyDefinition node. + * @param {ASTNode} node THe node to check. + * @returns {boolean} `true` if the node is a PropertyDefinition value, + * false if not. + */ +function isPropertyDefinitionValue(node) { + const parent = node.parent; + + return ( + parent && parent.type === "PropertyDefinition" && parent.value === node + ); +} + +/** + * Checks whether the given logical operator is taken into account for the code + * path analysis. + * @param {string} operator The operator found in the LogicalExpression node + * @returns {boolean} `true` if the operator is "&&" or "||" or "??" + */ +function isHandledLogicalOperator(operator) { + return operator === "&&" || operator === "||" || operator === "??"; +} + +/** + * Checks whether the given assignment operator is a logical assignment operator. + * Logical assignments are taken into account for the code path analysis + * because of their short-circuiting semantics. + * @param {string} operator The operator found in the AssignmentExpression node + * @returns {boolean} `true` if the operator is "&&=" or "||=" or "??=" + */ +function isLogicalAssignmentOperator(operator) { + return operator === "&&=" || operator === "||=" || operator === "??="; +} + +/** + * Gets the label if the parent node of a given node is a LabeledStatement. + * @param {ASTNode} node A node to get. + * @returns {string|null} The label or `null`. + */ +function getLabel(node) { + if (node.parent.type === "LabeledStatement") { + return node.parent.label.name; + } + return null; +} + +/** + * Checks whether or not a given logical expression node goes different path + * between the `true` case and the `false` case. + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is a test of a choice statement. + */ +function isForkingByTrueOrFalse(node) { + const parent = node.parent; + + switch (parent.type) { + case "ConditionalExpression": + case "IfStatement": + case "WhileStatement": + case "DoWhileStatement": + case "ForStatement": + return parent.test === node; + + case "LogicalExpression": + return isHandledLogicalOperator(parent.operator); + + case "AssignmentExpression": + return isLogicalAssignmentOperator(parent.operator); + + default: + return false; + } +} + +/** + * Gets the boolean value of a given literal node. + * + * This is used to detect infinity loops (e.g. `while (true) {}`). + * Statements preceded by an infinity loop are unreachable if the loop didn't + * have any `break` statement. + * @param {ASTNode} node A node to get. + * @returns {boolean|undefined} a boolean value if the node is a Literal node, + * otherwise `undefined`. + */ +function getBooleanValueIfSimpleConstant(node) { + if (node.type === "Literal") { + return Boolean(node.value); + } + return void 0; +} + +/** + * Checks that a given identifier node is a reference or not. + * + * This is used to detect the first throwable node in a `try` block. + * @param {ASTNode} node An Identifier node to check. + * @returns {boolean} `true` if the node is a reference. + */ +function isIdentifierReference(node) { + const parent = node.parent; + + switch (parent.type) { + case "LabeledStatement": + case "BreakStatement": + case "ContinueStatement": + case "ArrayPattern": + case "RestElement": + case "ImportSpecifier": + case "ImportDefaultSpecifier": + case "ImportNamespaceSpecifier": + case "CatchClause": + return false; + + case "FunctionDeclaration": + case "FunctionExpression": + case "ArrowFunctionExpression": + case "ClassDeclaration": + case "ClassExpression": + case "VariableDeclarator": + return parent.id !== node; + + case "Property": + case "PropertyDefinition": + case "MethodDefinition": + return parent.key !== node || parent.computed || parent.shorthand; + + case "AssignmentPattern": + return parent.key !== node; + + default: + return true; + } +} + +/** + * Updates the current segment with the head segment. + * This is similar to local branches and tracking branches of git. + * + * To separate the current and the head is in order to not make useless segments. + * + * In this process, both "onCodePathSegmentStart" and "onCodePathSegmentEnd" + * events are fired. + * @param {CodePathAnalyzer} analyzer The instance. + * @param {ASTNode} node The current AST node. + * @returns {void} + */ +function forwardCurrentToHead(analyzer, node) { + const codePath = analyzer.codePath; + const state = CodePath.getState(codePath); + const currentSegments = state.currentSegments; + const headSegments = state.headSegments; + const end = Math.max(currentSegments.length, headSegments.length); + let i, currentSegment, headSegment; + + // Fires leaving events. + for (i = 0; i < end; ++i) { + currentSegment = currentSegments[i]; + headSegment = headSegments[i]; + + if (currentSegment !== headSegment && currentSegment) { + const eventName = currentSegment.reachable + ? "onCodePathSegmentEnd" + : "onUnreachableCodePathSegmentEnd"; + + debug.dump(`${eventName} ${currentSegment.id}`); + + analyzer.emit(eventName, [currentSegment, node]); + } + } + + // Update state. + state.currentSegments = headSegments; + + // Fires entering events. + for (i = 0; i < end; ++i) { + currentSegment = currentSegments[i]; + headSegment = headSegments[i]; + + if (currentSegment !== headSegment && headSegment) { + const eventName = headSegment.reachable + ? "onCodePathSegmentStart" + : "onUnreachableCodePathSegmentStart"; + + debug.dump(`${eventName} ${headSegment.id}`); + CodePathSegment.markUsed(headSegment); + analyzer.emit(eventName, [headSegment, node]); + } + } +} + +/** + * Updates the current segment with empty. + * This is called at the last of functions or the program. + * @param {CodePathAnalyzer} analyzer The instance. + * @param {ASTNode} node The current AST node. + * @returns {void} + */ +function leaveFromCurrentSegment(analyzer, node) { + const state = CodePath.getState(analyzer.codePath); + const currentSegments = state.currentSegments; + + for (let i = 0; i < currentSegments.length; ++i) { + const currentSegment = currentSegments[i]; + const eventName = currentSegment.reachable + ? "onCodePathSegmentEnd" + : "onUnreachableCodePathSegmentEnd"; + + debug.dump(`${eventName} ${currentSegment.id}`); + + analyzer.emit(eventName, [currentSegment, node]); + } + + state.currentSegments = []; +} + +/** + * Updates the code path due to the position of a given node in the parent node + * thereof. + * + * For example, if the node is `parent.consequent`, this creates a fork from the + * current path. + * @param {CodePathAnalyzer} analyzer The instance. + * @param {ASTNode} node The current AST node. + * @returns {void} + */ +function preprocess(analyzer, node) { + const codePath = analyzer.codePath; + const state = CodePath.getState(codePath); + const parent = node.parent; + + switch (parent.type) { + // The `arguments.length == 0` case is in `postprocess` function. + case "CallExpression": + if ( + parent.optional === true && + parent.arguments.length >= 1 && + parent.arguments[0] === node + ) { + state.makeOptionalRight(); + } + break; + case "MemberExpression": + if (parent.optional === true && parent.property === node) { + state.makeOptionalRight(); + } + break; + + case "LogicalExpression": + if ( + parent.right === node && + isHandledLogicalOperator(parent.operator) + ) { + state.makeLogicalRight(); + } + break; + + case "AssignmentExpression": + if ( + parent.right === node && + isLogicalAssignmentOperator(parent.operator) + ) { + state.makeLogicalRight(); + } + break; + + case "ConditionalExpression": + case "IfStatement": + /* + * Fork if this node is at `consequent`/`alternate`. + * `popForkContext()` exists at `IfStatement:exit` and + * `ConditionalExpression:exit`. + */ + if (parent.consequent === node) { + state.makeIfConsequent(); + } else if (parent.alternate === node) { + state.makeIfAlternate(); + } + break; + + case "SwitchCase": + if (parent.consequent[0] === node) { + state.makeSwitchCaseBody(false, !parent.test); + } + break; + + case "TryStatement": + if (parent.handler === node) { + state.makeCatchBlock(); + } else if (parent.finalizer === node) { + state.makeFinallyBlock(); + } + break; + + case "WhileStatement": + if (parent.test === node) { + state.makeWhileTest(getBooleanValueIfSimpleConstant(node)); + } else { + assert(parent.body === node); + state.makeWhileBody(); + } + break; + + case "DoWhileStatement": + if (parent.body === node) { + state.makeDoWhileBody(); + } else { + assert(parent.test === node); + state.makeDoWhileTest(getBooleanValueIfSimpleConstant(node)); + } + break; + + case "ForStatement": + if (parent.test === node) { + state.makeForTest(getBooleanValueIfSimpleConstant(node)); + } else if (parent.update === node) { + state.makeForUpdate(); + } else if (parent.body === node) { + state.makeForBody(); + } + break; + + case "ForInStatement": + case "ForOfStatement": + if (parent.left === node) { + state.makeForInOfLeft(); + } else if (parent.right === node) { + state.makeForInOfRight(); + } else { + assert(parent.body === node); + state.makeForInOfBody(); + } + break; + + case "AssignmentPattern": + /* + * Fork if this node is at `right`. + * `left` is executed always, so it uses the current path. + * `popForkContext()` exists at `AssignmentPattern:exit`. + */ + if (parent.right === node) { + state.pushForkContext(); + state.forkBypassPath(); + state.forkPath(); + } + break; + + default: + break; + } +} + +/** + * Updates the code path due to the type of a given node in entering. + * @param {CodePathAnalyzer} analyzer The instance. + * @param {ASTNode} node The current AST node. + * @returns {void} + */ +function processCodePathToEnter(analyzer, node) { + let codePath = analyzer.codePath; + let state = codePath && CodePath.getState(codePath); + const parent = node.parent; + + /** + * Creates a new code path and trigger the onCodePathStart event + * based on the currently selected node. + * @param {string} origin The reason the code path was started. + * @returns {void} + */ + function startCodePath(origin) { + if (codePath) { + // Emits onCodePathSegmentStart events if updated. + forwardCurrentToHead(analyzer, node); + debug.dumpState(node, state, false); + } + + // Create the code path of this scope. + codePath = analyzer.codePath = new CodePath({ + id: analyzer.idGenerator.next(), + origin, + upper: codePath, + onLooped: analyzer.onLooped, + }); + state = CodePath.getState(codePath); + + // Emits onCodePathStart events. + debug.dump(`onCodePathStart ${codePath.id}`); + analyzer.emit("onCodePathStart", [codePath, node]); + } + + /* + * Special case: The right side of class field initializer is considered + * to be its own function, so we need to start a new code path in this + * case. + */ + if (isPropertyDefinitionValue(node)) { + startCodePath("class-field-initializer"); + + /* + * Intentional fall through because `node` needs to also be + * processed by the code below. For example, if we have: + * + * class Foo { + * a = () => {} + * } + * + * In this case, we also need start a second code path. + */ + } + + switch (node.type) { + case "Program": + startCodePath("program"); + break; + + case "FunctionDeclaration": + case "FunctionExpression": + case "ArrowFunctionExpression": + startCodePath("function"); + break; + + case "StaticBlock": + startCodePath("class-static-block"); + break; + + case "ChainExpression": + state.pushChainContext(); + break; + case "CallExpression": + if (node.optional === true) { + state.makeOptionalNode(); + } + break; + case "MemberExpression": + if (node.optional === true) { + state.makeOptionalNode(); + } + break; + + case "LogicalExpression": + if (isHandledLogicalOperator(node.operator)) { + state.pushChoiceContext( + node.operator, + isForkingByTrueOrFalse(node), + ); + } + break; + + case "AssignmentExpression": + if (isLogicalAssignmentOperator(node.operator)) { + state.pushChoiceContext( + node.operator.slice(0, -1), // removes `=` from the end + isForkingByTrueOrFalse(node), + ); + } + break; + + case "ConditionalExpression": + case "IfStatement": + state.pushChoiceContext("test", false); + break; + + case "SwitchStatement": + state.pushSwitchContext( + node.cases.some(isCaseNode), + getLabel(node), + ); + break; + + case "TryStatement": + state.pushTryContext(Boolean(node.finalizer)); + break; + + case "SwitchCase": + /* + * Fork if this node is after the 2st node in `cases`. + * It's similar to `else` blocks. + * The next `test` node is processed in this path. + */ + if (parent.discriminant !== node && parent.cases[0] !== node) { + state.forkPath(); + } + break; + + case "WhileStatement": + case "DoWhileStatement": + case "ForStatement": + case "ForInStatement": + case "ForOfStatement": + state.pushLoopContext(node.type, getLabel(node)); + break; + + case "LabeledStatement": + if (!breakableTypePattern.test(node.body.type)) { + state.pushBreakContext(false, node.label.name); + } + break; + + default: + break; + } + + // Emits onCodePathSegmentStart events if updated. + forwardCurrentToHead(analyzer, node); + debug.dumpState(node, state, false); +} + +/** + * Updates the code path due to the type of a given node in leaving. + * @param {CodePathAnalyzer} analyzer The instance. + * @param {ASTNode} node The current AST node. + * @returns {void} + */ +function processCodePathToExit(analyzer, node) { + const codePath = analyzer.codePath; + const state = CodePath.getState(codePath); + let dontForward = false; + + switch (node.type) { + case "ChainExpression": + state.popChainContext(); + break; + + case "IfStatement": + case "ConditionalExpression": + state.popChoiceContext(); + break; + + case "LogicalExpression": + if (isHandledLogicalOperator(node.operator)) { + state.popChoiceContext(); + } + break; + + case "AssignmentExpression": + if (isLogicalAssignmentOperator(node.operator)) { + state.popChoiceContext(); + } + break; + + case "SwitchStatement": + state.popSwitchContext(); + break; + + case "SwitchCase": + /* + * This is the same as the process at the 1st `consequent` node in + * `preprocess` function. + * Must do if this `consequent` is empty. + */ + if (node.consequent.length === 0) { + state.makeSwitchCaseBody(true, !node.test); + } + if (state.forkContext.reachable) { + dontForward = true; + } + break; + + case "TryStatement": + state.popTryContext(); + break; + + case "BreakStatement": + forwardCurrentToHead(analyzer, node); + state.makeBreak(node.label && node.label.name); + dontForward = true; + break; + + case "ContinueStatement": + forwardCurrentToHead(analyzer, node); + state.makeContinue(node.label && node.label.name); + dontForward = true; + break; + + case "ReturnStatement": + forwardCurrentToHead(analyzer, node); + state.makeReturn(); + dontForward = true; + break; + + case "ThrowStatement": + forwardCurrentToHead(analyzer, node); + state.makeThrow(); + dontForward = true; + break; + + case "Identifier": + if (isIdentifierReference(node)) { + state.makeFirstThrowablePathInTryBlock(); + dontForward = true; + } + break; + + case "CallExpression": + case "ImportExpression": + case "MemberExpression": + case "NewExpression": + case "YieldExpression": + state.makeFirstThrowablePathInTryBlock(); + break; + + case "WhileStatement": + case "DoWhileStatement": + case "ForStatement": + case "ForInStatement": + case "ForOfStatement": + state.popLoopContext(); + break; + + case "AssignmentPattern": + state.popForkContext(); + break; + + case "LabeledStatement": + if (!breakableTypePattern.test(node.body.type)) { + state.popBreakContext(); + } + break; + + default: + break; + } + + // Emits onCodePathSegmentStart events if updated. + if (!dontForward) { + forwardCurrentToHead(analyzer, node); + } + debug.dumpState(node, state, true); +} + +/** + * Updates the code path to finalize the current code path. + * @param {CodePathAnalyzer} analyzer The instance. + * @param {ASTNode} node The current AST node. + * @returns {void} + */ +function postprocess(analyzer, node) { + /** + * Ends the code path for the current node. + * @returns {void} + */ + function endCodePath() { + let codePath = analyzer.codePath; + + // Mark the current path as the final node. + CodePath.getState(codePath).makeFinal(); + + // Emits onCodePathSegmentEnd event of the current segments. + leaveFromCurrentSegment(analyzer, node); + + // Emits onCodePathEnd event of this code path. + debug.dump(`onCodePathEnd ${codePath.id}`); + analyzer.emit("onCodePathEnd", [codePath, node]); + debug.dumpDot(codePath); + + codePath = analyzer.codePath = analyzer.codePath.upper; + if (codePath) { + debug.dumpState(node, CodePath.getState(codePath), true); + } + } + + switch (node.type) { + case "Program": + case "FunctionDeclaration": + case "FunctionExpression": + case "ArrowFunctionExpression": + case "StaticBlock": { + endCodePath(); + break; + } + + // The `arguments.length >= 1` case is in `preprocess` function. + case "CallExpression": + if (node.optional === true && node.arguments.length === 0) { + CodePath.getState(analyzer.codePath).makeOptionalRight(); + } + break; + + default: + break; + } + + /* + * Special case: The right side of class field initializer is considered + * to be its own function, so we need to end a code path in this + * case. + * + * We need to check after the other checks in order to close the + * code paths in the correct order for code like this: + * + * + * class Foo { + * a = () => {} + * } + * + * In this case, The ArrowFunctionExpression code path is closed first + * and then we need to close the code path for the PropertyDefinition + * value. + */ + if (isPropertyDefinitionValue(node)) { + endCodePath(); + } +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * The class to analyze code paths. + * This class implements the EventGenerator interface. + */ +class CodePathAnalyzer { + /** + * @param {EventGenerator} eventGenerator An event generator to wrap. + */ + constructor(eventGenerator) { + this.original = eventGenerator; + this.emit = eventGenerator.emit; + this.codePath = null; + this.idGenerator = new IdGenerator("s"); + this.currentNode = null; + this.onLooped = this.onLooped.bind(this); + } + + /** + * Does the process to enter a given AST node. + * This updates state of analysis and calls `enterNode` of the wrapped. + * @param {ASTNode} node A node which is entering. + * @returns {void} + */ + enterNode(node) { + this.currentNode = node; + + // Updates the code path due to node's position in its parent node. + if (node.parent) { + preprocess(this, node); + } + + /* + * Updates the code path. + * And emits onCodePathStart/onCodePathSegmentStart events. + */ + processCodePathToEnter(this, node); + + // Emits node events. + this.original.enterNode(node); + + this.currentNode = null; + } + + /** + * Does the process to leave a given AST node. + * This updates state of analysis and calls `leaveNode` of the wrapped. + * @param {ASTNode} node A node which is leaving. + * @returns {void} + */ + leaveNode(node) { + this.currentNode = node; + + /* + * Updates the code path. + * And emits onCodePathStart/onCodePathSegmentStart events. + */ + processCodePathToExit(this, node); + + // Emits node events. + this.original.leaveNode(node); + + // Emits the last onCodePathStart/onCodePathSegmentStart events. + postprocess(this, node); + + this.currentNode = null; + } + + /** + * This is called on a code path looped. + * Then this raises a looped event. + * @param {CodePathSegment} fromSegment A segment of prev. + * @param {CodePathSegment} toSegment A segment of next. + * @returns {void} + */ + onLooped(fromSegment, toSegment) { + if (fromSegment.reachable && toSegment.reachable) { + debug.dump( + `onCodePathSegmentLoop ${fromSegment.id} -> ${toSegment.id}`, + ); + this.emit("onCodePathSegmentLoop", [ + fromSegment, + toSegment, + this.currentNode, + ]); + } + } +} + +module.exports = CodePathAnalyzer; diff --git a/module/node_modules/eslint/lib/linter/code-path-analysis/code-path-segment.js b/module/node_modules/eslint/lib/linter/code-path-analysis/code-path-segment.js new file mode 100644 index 000000000..fa4950185 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/code-path-analysis/code-path-segment.js @@ -0,0 +1,262 @@ +/** + * @fileoverview The CodePathSegment class. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const debug = require("./debug-helpers"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not a given segment is reachable. + * @param {CodePathSegment} segment A segment to check. + * @returns {boolean} `true` if the segment is reachable. + */ +function isReachable(segment) { + return segment.reachable; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * A code path segment. + * + * Each segment is arranged in a series of linked lists (implemented by arrays) + * that keep track of the previous and next segments in a code path. In this way, + * you can navigate between all segments in any code path so long as you have a + * reference to any segment in that code path. + * + * When first created, the segment is in a detached state, meaning that it knows the + * segments that came before it but those segments don't know that this new segment + * follows it. Only when `CodePathSegment#markUsed()` is called on a segment does it + * officially become part of the code path by updating the previous segments to know + * that this new segment follows. + */ +class CodePathSegment { + /** + * Creates a new instance. + * @param {string} id An identifier. + * @param {CodePathSegment[]} allPrevSegments An array of the previous segments. + * This array includes unreachable segments. + * @param {boolean} reachable A flag which shows this is reachable. + */ + constructor(id, allPrevSegments, reachable) { + /** + * The identifier of this code path. + * Rules use it to store additional information of each rule. + * @type {string} + */ + this.id = id; + + /** + * An array of the next reachable segments. + * @type {CodePathSegment[]} + */ + this.nextSegments = []; + + /** + * An array of the previous reachable segments. + * @type {CodePathSegment[]} + */ + this.prevSegments = allPrevSegments.filter(isReachable); + + /** + * An array of all next segments including reachable and unreachable. + * @type {CodePathSegment[]} + */ + this.allNextSegments = []; + + /** + * An array of all previous segments including reachable and unreachable. + * @type {CodePathSegment[]} + */ + this.allPrevSegments = allPrevSegments; + + /** + * A flag which shows this is reachable. + * @type {boolean} + */ + this.reachable = reachable; + + // Internal data. + Object.defineProperty(this, "internal", { + value: { + // determines if the segment has been attached to the code path + used: false, + + // array of previous segments coming from the end of a loop + loopedPrevSegments: [], + }, + }); + + /* c8 ignore start */ + if (debug.enabled) { + this.internal.nodes = []; + } /* c8 ignore stop */ + } + + /** + * Checks a given previous segment is coming from the end of a loop. + * @param {CodePathSegment} segment A previous segment to check. + * @returns {boolean} `true` if the segment is coming from the end of a loop. + */ + isLoopedPrevSegment(segment) { + return this.internal.loopedPrevSegments.includes(segment); + } + + /** + * Creates the root segment. + * @param {string} id An identifier. + * @returns {CodePathSegment} The created segment. + */ + static newRoot(id) { + return new CodePathSegment(id, [], true); + } + + /** + * Creates a new segment and appends it after the given segments. + * @param {string} id An identifier. + * @param {CodePathSegment[]} allPrevSegments An array of the previous segments + * to append to. + * @returns {CodePathSegment} The created segment. + */ + static newNext(id, allPrevSegments) { + return new CodePathSegment( + id, + CodePathSegment.flattenUnusedSegments(allPrevSegments), + allPrevSegments.some(isReachable), + ); + } + + /** + * Creates an unreachable segment and appends it after the given segments. + * @param {string} id An identifier. + * @param {CodePathSegment[]} allPrevSegments An array of the previous segments. + * @returns {CodePathSegment} The created segment. + */ + static newUnreachable(id, allPrevSegments) { + const segment = new CodePathSegment( + id, + CodePathSegment.flattenUnusedSegments(allPrevSegments), + false, + ); + + /* + * In `if (a) return a; foo();` case, the unreachable segment preceded by + * the return statement is not used but must not be removed. + */ + CodePathSegment.markUsed(segment); + + return segment; + } + + /** + * Creates a segment that follows given segments. + * This factory method does not connect with `allPrevSegments`. + * But this inherits `reachable` flag. + * @param {string} id An identifier. + * @param {CodePathSegment[]} allPrevSegments An array of the previous segments. + * @returns {CodePathSegment} The created segment. + */ + static newDisconnected(id, allPrevSegments) { + return new CodePathSegment(id, [], allPrevSegments.some(isReachable)); + } + + /** + * Marks a given segment as used. + * + * And this function registers the segment into the previous segments as a next. + * @param {CodePathSegment} segment A segment to mark. + * @returns {void} + */ + static markUsed(segment) { + if (segment.internal.used) { + return; + } + segment.internal.used = true; + + let i; + + if (segment.reachable) { + /* + * If the segment is reachable, then it's officially part of the + * code path. This loops through all previous segments to update + * their list of next segments. Because the segment is reachable, + * it's added to both `nextSegments` and `allNextSegments`. + */ + for (i = 0; i < segment.allPrevSegments.length; ++i) { + const prevSegment = segment.allPrevSegments[i]; + + prevSegment.allNextSegments.push(segment); + prevSegment.nextSegments.push(segment); + } + } else { + /* + * If the segment is not reachable, then it's not officially part of the + * code path. This loops through all previous segments to update + * their list of next segments. Because the segment is not reachable, + * it's added only to `allNextSegments`. + */ + for (i = 0; i < segment.allPrevSegments.length; ++i) { + segment.allPrevSegments[i].allNextSegments.push(segment); + } + } + } + + /** + * Marks a previous segment as looped. + * @param {CodePathSegment} segment A segment. + * @param {CodePathSegment} prevSegment A previous segment to mark. + * @returns {void} + */ + static markPrevSegmentAsLooped(segment, prevSegment) { + segment.internal.loopedPrevSegments.push(prevSegment); + } + + /** + * Creates a new array based on an array of segments. If any segment in the + * array is unused, then it is replaced by all of its previous segments. + * All used segments are returned as-is without replacement. + * @param {CodePathSegment[]} segments The array of segments to flatten. + * @returns {CodePathSegment[]} The flattened array. + */ + static flattenUnusedSegments(segments) { + const done = new Set(); + + for (let i = 0; i < segments.length; ++i) { + const segment = segments[i]; + + // Ignores duplicated. + if (done.has(segment)) { + continue; + } + + // Use previous segments if unused. + if (!segment.internal.used) { + for (let j = 0; j < segment.allPrevSegments.length; ++j) { + const prevSegment = segment.allPrevSegments[j]; + + if (!done.has(prevSegment)) { + done.add(prevSegment); + } + } + } else { + done.add(segment); + } + } + + return [...done]; + } +} + +module.exports = CodePathSegment; diff --git a/module/node_modules/eslint/lib/linter/code-path-analysis/code-path-state.js b/module/node_modules/eslint/lib/linter/code-path-analysis/code-path-state.js new file mode 100644 index 000000000..3ed4a7bc6 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/code-path-analysis/code-path-state.js @@ -0,0 +1,2370 @@ +/** + * @fileoverview A class to manage state of generating a code path. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const CodePathSegment = require("./code-path-segment"), + ForkContext = require("./fork-context"); + +//----------------------------------------------------------------------------- +// Contexts +//----------------------------------------------------------------------------- + +/** + * Represents the context in which a `break` statement can be used. + * + * A `break` statement without a label is only valid in a few places in + * JavaScript: any type of loop or a `switch` statement. Otherwise, `break` + * without a label causes a syntax error. For these contexts, `breakable` is + * set to `true` to indicate that a `break` without a label is valid. + * + * However, a `break` statement with a label is also valid inside of a labeled + * statement. For example, this is valid: + * + * a : { + * break a; + * } + * + * The `breakable` property is set false for labeled statements to indicate + * that `break` without a label is invalid. + */ +class BreakContext { + /** + * Creates a new instance. + * @param {BreakContext} upperContext The previous `BreakContext`. + * @param {boolean} breakable Indicates if we are inside a statement where + * `break` without a label will exit the statement. + * @param {string|null} label The label for the statement. + * @param {ForkContext} forkContext The current fork context. + */ + constructor(upperContext, breakable, label, forkContext) { + /** + * The previous `BreakContext` + * @type {BreakContext} + */ + this.upper = upperContext; + + /** + * Indicates if we are inside a statement where `break` without a label + * will exit the statement. + * @type {boolean} + */ + this.breakable = breakable; + + /** + * The label associated with the statement. + * @type {string|null} + */ + this.label = label; + + /** + * The fork context for the `break`. + * @type {ForkContext} + */ + this.brokenForkContext = ForkContext.newEmpty(forkContext); + } +} + +/** + * Represents the context for `ChainExpression` nodes. + */ +class ChainContext { + /** + * Creates a new instance. + * @param {ChainContext} upperContext The previous `ChainContext`. + */ + constructor(upperContext) { + /** + * The previous `ChainContext` + * @type {ChainContext} + */ + this.upper = upperContext; + + /** + * The number of choice contexts inside of the `ChainContext`. + * @type {number} + */ + this.choiceContextCount = 0; + } +} + +/** + * Represents a choice in the code path. + * + * Choices are created by logical operators such as `&&`, loops, conditionals, + * and `if` statements. This is the point at which the code path has a choice of + * which direction to go. + * + * The result of a choice might be in the left (test) expression of another choice, + * and in that case, may create a new fork. For example, `a || b` is a choice + * but does not create a new fork because the result of the expression is + * not used as the test expression in another expression. In this case, + * `isForkingAsResult` is false. In the expression `a || b || c`, the `a || b` + * expression appears as the test expression for `|| c`, so the + * result of `a || b` creates a fork because execution may or may not + * continue to `|| c`. `isForkingAsResult` for `a || b` in this case is true + * while `isForkingAsResult` for `|| c` is false. (`isForkingAsResult` is always + * false for `if` statements, conditional expressions, and loops.) + * + * All of the choices except one (`??`) operate on a true/false fork, meaning if + * true go one way and if false go the other (tracked by `trueForkContext` and + * `falseForkContext`). The `??` operator doesn't operate on true/false because + * the left expression is evaluated to be nullish or not, so only if nullish do + * we fork to the right expression (tracked by `nullishForkContext`). + */ +class ChoiceContext { + /** + * Creates a new instance. + * @param {ChoiceContext} upperContext The previous `ChoiceContext`. + * @param {string} kind The kind of choice. If it's a logical or assignment expression, this + * is `"&&"` or `"||"` or `"??"`; if it's an `if` statement or + * conditional expression, this is `"test"`; otherwise, this is `"loop"`. + * @param {boolean} isForkingAsResult Indicates if the result of the choice + * creates a fork. + * @param {ForkContext} forkContext The containing `ForkContext`. + */ + constructor(upperContext, kind, isForkingAsResult, forkContext) { + /** + * The previous `ChoiceContext` + * @type {ChoiceContext} + */ + this.upper = upperContext; + + /** + * The kind of choice. If it's a logical or assignment expression, this + * is `"&&"` or `"||"` or `"??"`; if it's an `if` statement or + * conditional expression, this is `"test"`; otherwise, this is `"loop"`. + * @type {string} + */ + this.kind = kind; + + /** + * Indicates if the result of the choice forks the code path. + * @type {boolean} + */ + this.isForkingAsResult = isForkingAsResult; + + /** + * The fork context for the `true` path of the choice. + * @type {ForkContext} + */ + this.trueForkContext = ForkContext.newEmpty(forkContext); + + /** + * The fork context for the `false` path of the choice. + * @type {ForkContext} + */ + this.falseForkContext = ForkContext.newEmpty(forkContext); + + /** + * The fork context for when the choice result is `null` or `undefined`. + * @type {ForkContext} + */ + this.nullishForkContext = ForkContext.newEmpty(forkContext); + + /** + * Indicates if any of `trueForkContext`, `falseForkContext`, or + * `nullishForkContext` have been updated with segments from a child context. + * @type {boolean} + */ + this.processed = false; + } +} + +/** + * Base class for all loop contexts. + */ +class LoopContextBase { + /** + * Creates a new instance. + * @param {LoopContext|null} upperContext The previous `LoopContext`. + * @param {string} type The AST node's `type` for the loop. + * @param {string|null} label The label for the loop from an enclosing `LabeledStatement`. + * @param {BreakContext} breakContext The context for breaking the loop. + */ + constructor(upperContext, type, label, breakContext) { + /** + * The previous `LoopContext`. + * @type {LoopContext} + */ + this.upper = upperContext; + + /** + * The AST node's `type` for the loop. + * @type {string} + */ + this.type = type; + + /** + * The label for the loop from an enclosing `LabeledStatement`. + * @type {string|null} + */ + this.label = label; + + /** + * The fork context for when `break` is encountered. + * @type {ForkContext} + */ + this.brokenForkContext = breakContext.brokenForkContext; + } +} + +/** + * Represents the context for a `while` loop. + */ +class WhileLoopContext extends LoopContextBase { + /** + * Creates a new instance. + * @param {LoopContext|null} upperContext The previous `LoopContext`. + * @param {string|null} label The label for the loop from an enclosing `LabeledStatement`. + * @param {BreakContext} breakContext The context for breaking the loop. + */ + constructor(upperContext, label, breakContext) { + super(upperContext, "WhileStatement", label, breakContext); + + /** + * The hardcoded literal boolean test condition for + * the loop. Used to catch infinite or skipped loops. + * @type {boolean|undefined} + */ + this.test = void 0; + + /** + * The segments representing the test condition where `continue` will + * jump to. The test condition will typically have just one segment but + * it's possible for there to be more than one. + * @type {Array|null} + */ + this.continueDestSegments = null; + } +} + +/** + * Represents the context for a `do-while` loop. + */ +class DoWhileLoopContext extends LoopContextBase { + /** + * Creates a new instance. + * @param {LoopContext|null} upperContext The previous `LoopContext`. + * @param {string|null} label The label for the loop from an enclosing `LabeledStatement`. + * @param {BreakContext} breakContext The context for breaking the loop. + * @param {ForkContext} forkContext The enclosing fork context. + */ + constructor(upperContext, label, breakContext, forkContext) { + super(upperContext, "DoWhileStatement", label, breakContext); + + /** + * The hardcoded literal boolean test condition for + * the loop. Used to catch infinite or skipped loops. + * @type {boolean|undefined} + */ + this.test = void 0; + + /** + * The segments at the start of the loop body. This is the only loop + * where the test comes at the end, so the first iteration always + * happens and we need a reference to the first statements. + * @type {Array|null} + */ + this.entrySegments = null; + + /** + * The fork context to follow when a `continue` is found. + * @type {ForkContext} + */ + this.continueForkContext = ForkContext.newEmpty(forkContext); + } +} + +/** + * Represents the context for a `for` loop. + */ +class ForLoopContext extends LoopContextBase { + /** + * Creates a new instance. + * @param {LoopContext|null} upperContext The previous `LoopContext`. + * @param {string|null} label The label for the loop from an enclosing `LabeledStatement`. + * @param {BreakContext} breakContext The context for breaking the loop. + */ + constructor(upperContext, label, breakContext) { + super(upperContext, "ForStatement", label, breakContext); + + /** + * The hardcoded literal boolean test condition for + * the loop. Used to catch infinite or skipped loops. + * @type {boolean|undefined} + */ + this.test = void 0; + + /** + * The end of the init expression. This may change during the lifetime + * of the instance as we traverse the loop because some loops don't have + * an init expression. + * @type {Array|null} + */ + this.endOfInitSegments = null; + + /** + * The start of the test expression. This may change during the lifetime + * of the instance as we traverse the loop because some loops don't have + * a test expression. + * @type {Array|null} + */ + this.testSegments = null; + + /** + * The end of the test expression. This may change during the lifetime + * of the instance as we traverse the loop because some loops don't have + * a test expression. + * @type {Array|null} + */ + this.endOfTestSegments = null; + + /** + * The start of the update expression. This may change during the lifetime + * of the instance as we traverse the loop because some loops don't have + * an update expression. + * @type {Array|null} + */ + this.updateSegments = null; + + /** + * The end of the update expression. This may change during the lifetime + * of the instance as we traverse the loop because some loops don't have + * an update expression. + * @type {Array|null} + */ + this.endOfUpdateSegments = null; + + /** + * The segments representing the test condition where `continue` will + * jump to. The test condition will typically have just one segment but + * it's possible for there to be more than one. This may change during the + * lifetime of the instance as we traverse the loop because some loops + * don't have an update expression. When there is an update expression, this + * will end up pointing to that expression; otherwise it will end up pointing + * to the test expression. + * @type {Array|null} + */ + this.continueDestSegments = null; + } +} + +/** + * Represents the context for a `for-in` loop. + * + * Terminology: + * - "left" means the part of the loop to the left of the `in` keyword. For + * example, in `for (var x in y)`, the left is `var x`. + * - "right" means the part of the loop to the right of the `in` keyword. For + * example, in `for (var x in y)`, the right is `y`. + */ +class ForInLoopContext extends LoopContextBase { + /** + * Creates a new instance. + * @param {LoopContext|null} upperContext The previous `LoopContext`. + * @param {string|null} label The label for the loop from an enclosing `LabeledStatement`. + * @param {BreakContext} breakContext The context for breaking the loop. + */ + constructor(upperContext, label, breakContext) { + super(upperContext, "ForInStatement", label, breakContext); + + /** + * The segments that came immediately before the start of the loop. + * This allows you to traverse backwards out of the loop into the + * surrounding code. This is necessary to evaluate the right expression + * correctly, as it must be evaluated in the same way as the left + * expression, but the pointer to these segments would otherwise be + * lost if not stored on the instance. Once the right expression has + * been evaluated, this property is no longer used. + * @type {Array|null} + */ + this.prevSegments = null; + + /** + * Segments representing the start of everything to the left of the + * `in` keyword. This can be used to move forward towards + * `endOfLeftSegments`. `leftSegments` and `endOfLeftSegments` are + * effectively the head and tail of a doubly-linked list. + * @type {Array|null} + */ + this.leftSegments = null; + + /** + * Segments representing the end of everything to the left of the + * `in` keyword. This can be used to move backward towards `leftSegments`. + * `leftSegments` and `endOfLeftSegments` are effectively the head + * and tail of a doubly-linked list. + * @type {Array|null} + */ + this.endOfLeftSegments = null; + + /** + * The segments representing the left expression where `continue` will + * jump to. In `for-in` loops, `continue` must always re-execute the + * left expression each time through the loop. This contains the same + * segments as `leftSegments`, but is duplicated here so each loop + * context has the same property pointing to where `continue` should + * end up. + * @type {Array|null} + */ + this.continueDestSegments = null; + } +} + +/** + * Represents the context for a `for-of` loop. + */ +class ForOfLoopContext extends LoopContextBase { + /** + * Creates a new instance. + * @param {LoopContext|null} upperContext The previous `LoopContext`. + * @param {string|null} label The label for the loop from an enclosing `LabeledStatement`. + * @param {BreakContext} breakContext The context for breaking the loop. + */ + constructor(upperContext, label, breakContext) { + super(upperContext, "ForOfStatement", label, breakContext); + + /** + * The segments that came immediately before the start of the loop. + * This allows you to traverse backwards out of the loop into the + * surrounding code. This is necessary to evaluate the right expression + * correctly, as it must be evaluated in the same way as the left + * expression, but the pointer to these segments would otherwise be + * lost if not stored on the instance. Once the right expression has + * been evaluated, this property is no longer used. + * @type {Array|null} + */ + this.prevSegments = null; + + /** + * Segments representing the start of everything to the left of the + * `of` keyword. This can be used to move forward towards + * `endOfLeftSegments`. `leftSegments` and `endOfLeftSegments` are + * effectively the head and tail of a doubly-linked list. + * @type {Array|null} + */ + this.leftSegments = null; + + /** + * Segments representing the end of everything to the left of the + * `of` keyword. This can be used to move backward towards `leftSegments`. + * `leftSegments` and `endOfLeftSegments` are effectively the head + * and tail of a doubly-linked list. + * @type {Array|null} + */ + this.endOfLeftSegments = null; + + /** + * The segments representing the left expression where `continue` will + * jump to. In `for-in` loops, `continue` must always re-execute the + * left expression each time through the loop. This contains the same + * segments as `leftSegments`, but is duplicated here so each loop + * context has the same property pointing to where `continue` should + * end up. + * @type {Array|null} + */ + this.continueDestSegments = null; + } +} + +/** + * Represents the context for any loop. + * @typedef {WhileLoopContext|DoWhileLoopContext|ForLoopContext|ForInLoopContext|ForOfLoopContext} LoopContext + */ + +/** + * Represents the context for a `switch` statement. + */ +class SwitchContext { + /** + * Creates a new instance. + * @param {SwitchContext} upperContext The previous context. + * @param {boolean} hasCase Indicates if there is at least one `case` statement. + * `default` doesn't count. + */ + constructor(upperContext, hasCase) { + /** + * The previous context. + * @type {SwitchContext} + */ + this.upper = upperContext; + + /** + * Indicates if there is at least one `case` statement. `default` doesn't count. + * @type {boolean} + */ + this.hasCase = hasCase; + + /** + * The `default` keyword. + * @type {Array|null} + */ + this.defaultSegments = null; + + /** + * The default case body starting segments. + * @type {Array|null} + */ + this.defaultBodySegments = null; + + /** + * Indicates if a `default` case and is empty exists. + * @type {boolean} + */ + this.foundEmptyDefault = false; + + /** + * Indicates that a `default` exists and is the last case. + * @type {boolean} + */ + this.lastIsDefault = false; + + /** + * The number of fork contexts created. This is equivalent to the + * number of `case` statements plus a `default` statement (if present). + * @type {number} + */ + this.forkCount = 0; + } +} + +/** + * Represents the context for a `try` statement. + */ +class TryContext { + /** + * Creates a new instance. + * @param {TryContext} upperContext The previous context. + * @param {boolean} hasFinalizer Indicates if the `try` statement has a + * `finally` block. + * @param {ForkContext} forkContext The enclosing fork context. + */ + constructor(upperContext, hasFinalizer, forkContext) { + /** + * The previous context. + * @type {TryContext} + */ + this.upper = upperContext; + + /** + * Indicates if the `try` statement has a `finally` block. + * @type {boolean} + */ + this.hasFinalizer = hasFinalizer; + + /** + * Tracks the traversal position inside of the `try` statement. This is + * used to help determine the context necessary to create paths because + * a `try` statement may or may not have `catch` or `finally` blocks, + * and code paths behave differently in those blocks. + * @type {"try"|"catch"|"finally"} + */ + this.position = "try"; + + /** + * If the `try` statement has a `finally` block, this affects how a + * `return` statement behaves in the `try` block. Without `finally`, + * `return` behaves as usual and doesn't require a fork; with `finally`, + * `return` forks into the `finally` block, so we need a fork context + * to track it. + * @type {ForkContext|null} + */ + this.returnedForkContext = hasFinalizer + ? ForkContext.newEmpty(forkContext) + : null; + + /** + * When a `throw` occurs inside of a `try` block, the code path forks + * into the `catch` or `finally` blocks, and this fork context tracks + * that path. + * @type {ForkContext} + */ + this.thrownForkContext = ForkContext.newEmpty(forkContext); + + /** + * Indicates if the last segment in the `try` block is reachable. + * @type {boolean} + */ + this.lastOfTryIsReachable = false; + + /** + * Indicates if the last segment in the `catch` block is reachable. + * @type {boolean} + */ + this.lastOfCatchIsReachable = false; + } +} + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Adds given segments into the `dest` array. + * If the `others` array does not include the given segments, adds to the `all` + * array as well. + * + * This adds only reachable and used segments. + * @param {CodePathSegment[]} dest A destination array (`returnedSegments` or `thrownSegments`). + * @param {CodePathSegment[]} others Another destination array (`returnedSegments` or `thrownSegments`). + * @param {CodePathSegment[]} all The unified destination array (`finalSegments`). + * @param {CodePathSegment[]} segments Segments to add. + * @returns {void} + */ +function addToReturnedOrThrown(dest, others, all, segments) { + for (let i = 0; i < segments.length; ++i) { + const segment = segments[i]; + + dest.push(segment); + if (!others.includes(segment)) { + all.push(segment); + } + } +} + +/** + * Gets a loop context for a `continue` statement based on a given label. + * @param {CodePathState} state The state to search within. + * @param {string|null} label The label of a `continue` statement. + * @returns {LoopContext} A loop-context for a `continue` statement. + */ +function getContinueContext(state, label) { + if (!label) { + return state.loopContext; + } + + let context = state.loopContext; + + while (context) { + if (context.label === label) { + return context; + } + context = context.upper; + } + + /* c8 ignore next */ + return null; +} + +/** + * Gets a context for a `break` statement. + * @param {CodePathState} state The state to search within. + * @param {string|null} label The label of a `break` statement. + * @returns {BreakContext} A context for a `break` statement. + */ +function getBreakContext(state, label) { + let context = state.breakContext; + + while (context) { + if (label ? context.label === label : context.breakable) { + return context; + } + context = context.upper; + } + + /* c8 ignore next */ + return null; +} + +/** + * Gets a context for a `return` statement. There is just one special case: + * if there is a `try` statement with a `finally` block, because that alters + * how `return` behaves; otherwise, this just passes through the given state. + * @param {CodePathState} state The state to search within + * @returns {TryContext|CodePathState} A context for a `return` statement. + */ +function getReturnContext(state) { + let context = state.tryContext; + + while (context) { + if (context.hasFinalizer && context.position !== "finally") { + return context; + } + context = context.upper; + } + + return state; +} + +/** + * Gets a context for a `throw` statement. There is just one special case: + * if there is a `try` statement with a `finally` block and we are inside of + * a `catch` because that changes how `throw` behaves; otherwise, this just + * passes through the given state. + * @param {CodePathState} state The state to search within. + * @returns {TryContext|CodePathState} A context for a `throw` statement. + */ +function getThrowContext(state) { + let context = state.tryContext; + + while (context) { + if ( + context.position === "try" || + (context.hasFinalizer && context.position === "catch") + ) { + return context; + } + context = context.upper; + } + + return state; +} + +/** + * Removes a given value from a given array. + * @param {any[]} elements An array to remove the specific element. + * @param {any} value The value to be removed. + * @returns {void} + */ +function removeFromArray(elements, value) { + elements.splice(elements.indexOf(value), 1); +} + +/** + * Disconnect given segments. + * + * This is used in a process for switch statements. + * If there is the "default" chunk before other cases, the order is different + * between node's and running's. + * @param {CodePathSegment[]} prevSegments Forward segments to disconnect. + * @param {CodePathSegment[]} nextSegments Backward segments to disconnect. + * @returns {void} + */ +function disconnectSegments(prevSegments, nextSegments) { + for (let i = 0; i < prevSegments.length; ++i) { + const prevSegment = prevSegments[i]; + const nextSegment = nextSegments[i]; + + removeFromArray(prevSegment.nextSegments, nextSegment); + removeFromArray(prevSegment.allNextSegments, nextSegment); + removeFromArray(nextSegment.prevSegments, prevSegment); + removeFromArray(nextSegment.allPrevSegments, prevSegment); + } +} + +/** + * Creates looping path between two arrays of segments, ensuring that there are + * paths going between matching segments in the arrays. + * @param {CodePathState} state The state to operate on. + * @param {CodePathSegment[]} unflattenedFromSegments Segments which are source. + * @param {CodePathSegment[]} unflattenedToSegments Segments which are destination. + * @returns {void} + */ +function makeLooped(state, unflattenedFromSegments, unflattenedToSegments) { + const fromSegments = CodePathSegment.flattenUnusedSegments( + unflattenedFromSegments, + ); + const toSegments = CodePathSegment.flattenUnusedSegments( + unflattenedToSegments, + ); + const end = Math.min(fromSegments.length, toSegments.length); + + /* + * This loop effectively updates a doubly-linked list between two collections + * of segments making sure that segments in the same array indices are + * combined to create a path. + */ + for (let i = 0; i < end; ++i) { + // get the segments in matching array indices + const fromSegment = fromSegments[i]; + const toSegment = toSegments[i]; + + /* + * If the destination segment is reachable, then create a path from the + * source segment to the destination segment. + */ + if (toSegment.reachable) { + fromSegment.nextSegments.push(toSegment); + } + + /* + * If the source segment is reachable, then create a path from the + * destination segment back to the source segment. + */ + if (fromSegment.reachable) { + toSegment.prevSegments.push(fromSegment); + } + + /* + * Also update the arrays that don't care if the segments are reachable + * or not. This should always happen regardless of anything else. + */ + fromSegment.allNextSegments.push(toSegment); + toSegment.allPrevSegments.push(fromSegment); + + /* + * If the destination segment has at least two previous segments in its + * path then that means there was one previous segment before this iteration + * of the loop was executed. So, we need to mark the source segment as + * looped. + */ + if (toSegment.allPrevSegments.length >= 2) { + CodePathSegment.markPrevSegmentAsLooped(toSegment, fromSegment); + } + + // let the code path analyzer know that there's been a loop created + state.notifyLooped(fromSegment, toSegment); + } +} + +/** + * Finalizes segments of `test` chunk of a ForStatement. + * + * - Adds `false` paths to paths which are leaving from the loop. + * - Sets `true` paths to paths which go to the body. + * @param {LoopContext} context A loop context to modify. + * @param {ChoiceContext} choiceContext A choice context of this loop. + * @param {CodePathSegment[]} head The current head paths. + * @returns {void} + */ +function finalizeTestSegmentsOfFor(context, choiceContext, head) { + /* + * If this choice context doesn't already contain paths from a + * child context, then add the current head to each potential path. + */ + if (!choiceContext.processed) { + choiceContext.trueForkContext.add(head); + choiceContext.falseForkContext.add(head); + choiceContext.nullishForkContext.add(head); + } + + /* + * If the test condition isn't a hardcoded truthy value, then `break` + * must follow the same path as if the test condition is false. To represent + * that, we append the path for when the loop test is false (represented by + * `falseForkContext`) to the `brokenForkContext`. + */ + if (context.test !== true) { + context.brokenForkContext.addAll(choiceContext.falseForkContext); + } + + context.endOfTestSegments = choiceContext.trueForkContext.makeNext(0, -1); +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * A class which manages state to analyze code paths. + */ +class CodePathState { + /** + * Creates a new instance. + * @param {IdGenerator} idGenerator An id generator to generate id for code + * path segments. + * @param {Function} onLooped A callback function to notify looping. + */ + constructor(idGenerator, onLooped) { + /** + * The ID generator to use when creating new segments. + * @type {IdGenerator} + */ + this.idGenerator = idGenerator; + + /** + * A callback function to call when there is a loop. + * @type {Function} + */ + this.notifyLooped = onLooped; + + /** + * The root fork context for this state. + * @type {ForkContext} + */ + this.forkContext = ForkContext.newRoot(idGenerator); + + /** + * Context for logical expressions, conditional expressions, `if` statements, + * and loops. + * @type {ChoiceContext} + */ + this.choiceContext = null; + + /** + * Context for `switch` statements. + * @type {SwitchContext} + */ + this.switchContext = null; + + /** + * Context for `try` statements. + * @type {TryContext} + */ + this.tryContext = null; + + /** + * Context for loop statements. + * @type {LoopContext} + */ + this.loopContext = null; + + /** + * Context for `break` statements. + * @type {BreakContext} + */ + this.breakContext = null; + + /** + * Context for `ChainExpression` nodes. + * @type {ChainContext} + */ + this.chainContext = null; + + /** + * An array that tracks the current segments in the state. The array + * starts empty and segments are added with each `onCodePathSegmentStart` + * event and removed with each `onCodePathSegmentEnd` event. Effectively, + * this is tracking the code path segment traversal as the state is + * modified. + * @type {Array} + */ + this.currentSegments = []; + + /** + * Tracks the starting segment for this path. This value never changes. + * @type {CodePathSegment} + */ + this.initialSegment = this.forkContext.head[0]; + + /** + * The final segments of the code path which are either `return` or `throw`. + * This is a union of the segments in `returnedForkContext` and `thrownForkContext`. + * @type {Array} + */ + this.finalSegments = []; + + /** + * The final segments of the code path which are `return`. These + * segments are also contained in `finalSegments`. + * @type {Array} + */ + this.returnedForkContext = []; + + /** + * The final segments of the code path which are `throw`. These + * segments are also contained in `finalSegments`. + * @type {Array} + */ + this.thrownForkContext = []; + + /* + * We add an `add` method so that these look more like fork contexts and + * can be used interchangeably when a fork context is needed to add more + * segments to a path. + * + * Ultimately, we want anything added to `returned` or `thrown` to also + * be added to `final`. We only add reachable and used segments to these + * arrays. + */ + const final = this.finalSegments; + const returned = this.returnedForkContext; + const thrown = this.thrownForkContext; + + returned.add = addToReturnedOrThrown.bind( + null, + returned, + thrown, + final, + ); + thrown.add = addToReturnedOrThrown.bind(null, thrown, returned, final); + } + + /** + * A passthrough property exposing the current pointer as part of the API. + * @type {CodePathSegment[]} + */ + get headSegments() { + return this.forkContext.head; + } + + /** + * The parent forking context. + * This is used for the root of new forks. + * @type {ForkContext} + */ + get parentForkContext() { + const current = this.forkContext; + + return current && current.upper; + } + + /** + * Creates and stacks new forking context. + * @param {boolean} forkLeavingPath A flag which shows being in a + * "finally" block. + * @returns {ForkContext} The created context. + */ + pushForkContext(forkLeavingPath) { + this.forkContext = ForkContext.newEmpty( + this.forkContext, + forkLeavingPath, + ); + + return this.forkContext; + } + + /** + * Pops and merges the last forking context. + * @returns {ForkContext} The last context. + */ + popForkContext() { + const lastContext = this.forkContext; + + this.forkContext = lastContext.upper; + this.forkContext.replaceHead(lastContext.makeNext(0, -1)); + + return lastContext; + } + + /** + * Creates a new path. + * @returns {void} + */ + forkPath() { + this.forkContext.add(this.parentForkContext.makeNext(-1, -1)); + } + + /** + * Creates a bypass path. + * This is used for such as IfStatement which does not have "else" chunk. + * @returns {void} + */ + forkBypassPath() { + this.forkContext.add(this.parentForkContext.head); + } + + //-------------------------------------------------------------------------- + // ConditionalExpression, LogicalExpression, IfStatement + //-------------------------------------------------------------------------- + + /** + * Creates a context for ConditionalExpression, LogicalExpression, AssignmentExpression (logical assignments only), + * IfStatement, WhileStatement, DoWhileStatement, or ForStatement. + * + * LogicalExpressions have cases that it goes different paths between the + * `true` case and the `false` case. + * + * For Example: + * + * if (a || b) { + * foo(); + * } else { + * bar(); + * } + * + * In this case, `b` is evaluated always in the code path of the `else` + * block, but it's not so in the code path of the `if` block. + * So there are 3 paths. + * + * a -> foo(); + * a -> b -> foo(); + * a -> b -> bar(); + * @param {string} kind A kind string. + * If the new context is LogicalExpression's or AssignmentExpression's, this is `"&&"` or `"||"` or `"??"`. + * If it's IfStatement's or ConditionalExpression's, this is `"test"`. + * Otherwise, this is `"loop"`. + * @param {boolean} isForkingAsResult Indicates if the result of the choice + * creates a fork. + * @returns {void} + */ + pushChoiceContext(kind, isForkingAsResult) { + this.choiceContext = new ChoiceContext( + this.choiceContext, + kind, + isForkingAsResult, + this.forkContext, + ); + } + + /** + * Pops the last choice context and finalizes it. + * This is called upon leaving a node that represents a choice. + * @throws {Error} (Unreachable.) + * @returns {ChoiceContext} The popped context. + */ + popChoiceContext() { + const poppedChoiceContext = this.choiceContext; + const forkContext = this.forkContext; + const head = forkContext.head; + + this.choiceContext = poppedChoiceContext.upper; + + switch (poppedChoiceContext.kind) { + case "&&": + case "||": + case "??": + /* + * The `head` are the path of the right-hand operand. + * If we haven't previously added segments from child contexts, + * then we add these segments to all possible forks. + */ + if (!poppedChoiceContext.processed) { + poppedChoiceContext.trueForkContext.add(head); + poppedChoiceContext.falseForkContext.add(head); + poppedChoiceContext.nullishForkContext.add(head); + } + + /* + * If this context is the left (test) expression for another choice + * context, such as `a || b` in the expression `a || b || c`, + * then we take the segments for this context and move them up + * to the parent context. + */ + if (poppedChoiceContext.isForkingAsResult) { + const parentContext = this.choiceContext; + + parentContext.trueForkContext.addAll( + poppedChoiceContext.trueForkContext, + ); + parentContext.falseForkContext.addAll( + poppedChoiceContext.falseForkContext, + ); + parentContext.nullishForkContext.addAll( + poppedChoiceContext.nullishForkContext, + ); + parentContext.processed = true; + + // Exit early so we don't collapse all paths into one. + return poppedChoiceContext; + } + + break; + + case "test": + if (!poppedChoiceContext.processed) { + /* + * The head segments are the path of the `if` block here. + * Updates the `true` path with the end of the `if` block. + */ + poppedChoiceContext.trueForkContext.clear(); + poppedChoiceContext.trueForkContext.add(head); + } else { + /* + * The head segments are the path of the `else` block here. + * Updates the `false` path with the end of the `else` + * block. + */ + poppedChoiceContext.falseForkContext.clear(); + poppedChoiceContext.falseForkContext.add(head); + } + + break; + + case "loop": + /* + * Loops are addressed in `popLoopContext()` so just return + * the context without modification. + */ + return poppedChoiceContext; + + /* c8 ignore next */ + default: + throw new Error("unreachable"); + } + + /* + * Merge the true path with the false path to create a single path. + */ + const combinedForkContext = poppedChoiceContext.trueForkContext; + + combinedForkContext.addAll(poppedChoiceContext.falseForkContext); + forkContext.replaceHead(combinedForkContext.makeNext(0, -1)); + + return poppedChoiceContext; + } + + /** + * Creates a code path segment to represent right-hand operand of a logical + * expression. + * This is called in the preprocessing phase when entering a node. + * @throws {Error} (Unreachable.) + * @returns {void} + */ + makeLogicalRight() { + const currentChoiceContext = this.choiceContext; + const forkContext = this.forkContext; + + if (currentChoiceContext.processed) { + /* + * This context was already assigned segments from a child + * choice context. In this case, we are concerned only about + * the path that does not short-circuit and so ends up on the + * right-hand operand of the logical expression. + */ + let prevForkContext; + + switch (currentChoiceContext.kind) { + case "&&": // if true then go to the right-hand side. + prevForkContext = currentChoiceContext.trueForkContext; + break; + case "||": // if false then go to the right-hand side. + prevForkContext = currentChoiceContext.falseForkContext; + break; + case "??": // Both true/false can short-circuit, so needs the third path to go to the right-hand side. That's nullishForkContext. + prevForkContext = currentChoiceContext.nullishForkContext; + break; + default: + throw new Error("unreachable"); + } + + /* + * Create the segment for the right-hand operand of the logical expression + * and adjust the fork context pointer to point there. The right-hand segment + * is added at the end of all segments in `prevForkContext`. + */ + forkContext.replaceHead(prevForkContext.makeNext(0, -1)); + + /* + * We no longer need this list of segments. + * + * Reset `processed` because we've removed the segments from the child + * choice context. This allows `popChoiceContext()` to continue adding + * segments later. + */ + prevForkContext.clear(); + currentChoiceContext.processed = false; + } else { + /* + * This choice context was not assigned segments from a child + * choice context, which means that it's a terminal logical + * expression. + * + * `head` is the segments for the left-hand operand of the + * logical expression. + * + * Each of the fork contexts below are empty at this point. We choose + * the path(s) that will short-circuit and add the segment for the + * left-hand operand to it. Ultimately, this will be the only segment + * in that path due to the short-circuting, so we are just seeding + * these paths to start. + */ + switch (currentChoiceContext.kind) { + case "&&": + /* + * In most contexts, when a && expression evaluates to false, + * it short circuits, so we need to account for that by setting + * the `falseForkContext` to the left operand. + * + * When a && expression is the left-hand operand for a ?? + * expression, such as `(a && b) ?? c`, a nullish value will + * also short-circuit in a different way than a false value, + * so we also set the `nullishForkContext` to the left operand. + * This path is only used with a ?? expression and is thrown + * away for any other type of logical expression, so it's safe + * to always add. + */ + currentChoiceContext.falseForkContext.add(forkContext.head); + currentChoiceContext.nullishForkContext.add( + forkContext.head, + ); + break; + case "||": // the true path can short-circuit. + currentChoiceContext.trueForkContext.add(forkContext.head); + break; + case "??": // both can short-circuit. + currentChoiceContext.trueForkContext.add(forkContext.head); + currentChoiceContext.falseForkContext.add(forkContext.head); + break; + default: + throw new Error("unreachable"); + } + + /* + * Create the segment for the right-hand operand of the logical expression + * and adjust the fork context pointer to point there. + */ + forkContext.replaceHead(forkContext.makeNext(-1, -1)); + } + } + + /** + * Makes a code path segment of the `if` block. + * @returns {void} + */ + makeIfConsequent() { + const context = this.choiceContext; + const forkContext = this.forkContext; + + /* + * If any result were not transferred from child contexts, + * this sets the head segments to both cases. + * The head segments are the path of the test expression. + */ + if (!context.processed) { + context.trueForkContext.add(forkContext.head); + context.falseForkContext.add(forkContext.head); + context.nullishForkContext.add(forkContext.head); + } + + context.processed = false; + + // Creates new path from the `true` case. + forkContext.replaceHead(context.trueForkContext.makeNext(0, -1)); + } + + /** + * Makes a code path segment of the `else` block. + * @returns {void} + */ + makeIfAlternate() { + const context = this.choiceContext; + const forkContext = this.forkContext; + + /* + * The head segments are the path of the `if` block. + * Updates the `true` path with the end of the `if` block. + */ + context.trueForkContext.clear(); + context.trueForkContext.add(forkContext.head); + context.processed = true; + + // Creates new path from the `false` case. + forkContext.replaceHead(context.falseForkContext.makeNext(0, -1)); + } + + //-------------------------------------------------------------------------- + // ChainExpression + //-------------------------------------------------------------------------- + + /** + * Pushes a new `ChainExpression` context to the stack. This method is + * called when entering a `ChainExpression` node. A chain context is used to + * count forking in the optional chain then merge them on the exiting from the + * `ChainExpression` node. + * @returns {void} + */ + pushChainContext() { + this.chainContext = new ChainContext(this.chainContext); + } + + /** + * Pop a `ChainExpression` context from the stack. This method is called on + * exiting from each `ChainExpression` node. This merges all forks of the + * last optional chaining. + * @returns {void} + */ + popChainContext() { + const context = this.chainContext; + + this.chainContext = context.upper; + + // pop all choice contexts of this. + for (let i = context.choiceContextCount; i > 0; --i) { + this.popChoiceContext(); + } + } + + /** + * Create a choice context for optional access. + * This method is called on entering to each `(Call|Member)Expression[optional=true]` node. + * This creates a choice context as similar to `LogicalExpression[operator="??"]` node. + * @returns {void} + */ + makeOptionalNode() { + if (this.chainContext) { + this.chainContext.choiceContextCount += 1; + this.pushChoiceContext("??", false); + } + } + + /** + * Create a fork. + * This method is called on entering to the `arguments|property` property of each `(Call|Member)Expression` node. + * @returns {void} + */ + makeOptionalRight() { + if (this.chainContext) { + this.makeLogicalRight(); + } + } + + //-------------------------------------------------------------------------- + // SwitchStatement + //-------------------------------------------------------------------------- + + /** + * Creates a context object of SwitchStatement and stacks it. + * @param {boolean} hasCase `true` if the switch statement has one or more + * case parts. + * @param {string|null} label The label text. + * @returns {void} + */ + pushSwitchContext(hasCase, label) { + this.switchContext = new SwitchContext(this.switchContext, hasCase); + this.pushBreakContext(true, label); + } + + /** + * Pops the last context of SwitchStatement and finalizes it. + * + * - Disposes all forking stack for `case` and `default`. + * - Creates the next code path segment from `context.brokenForkContext`. + * - If the last `SwitchCase` node is not a `default` part, creates a path + * to the `default` body. + * @returns {void} + */ + popSwitchContext() { + const context = this.switchContext; + + this.switchContext = context.upper; + + const forkContext = this.forkContext; + const brokenForkContext = this.popBreakContext().brokenForkContext; + + if (context.forkCount === 0) { + /* + * When there is only one `default` chunk and there is one or more + * `break` statements, even if forks are nothing, it needs to merge + * those. + */ + if (!brokenForkContext.empty) { + brokenForkContext.add(forkContext.makeNext(-1, -1)); + forkContext.replaceHead(brokenForkContext.makeNext(0, -1)); + } + + return; + } + + const lastSegments = forkContext.head; + + this.forkBypassPath(); + const lastCaseSegments = forkContext.head; + + /* + * `brokenForkContext` is used to make the next segment. + * It must add the last segment into `brokenForkContext`. + */ + brokenForkContext.add(lastSegments); + + /* + * Any value that doesn't match a `case` test should flow to the default + * case. That happens normally when the default case is last in the `switch`, + * but if it's not, we need to rewire some of the paths to be correct. + */ + if (!context.lastIsDefault) { + if (context.defaultBodySegments) { + /* + * There is a non-empty default case, so remove the path from the `default` + * label to its body for an accurate representation. + */ + disconnectSegments( + context.defaultSegments, + context.defaultBodySegments, + ); + + /* + * Connect the path from the last non-default case to the body of the + * default case. + */ + makeLooped(this, lastCaseSegments, context.defaultBodySegments); + } else { + /* + * There is no default case, so we treat this as if the last case + * had a `break` in it. + */ + brokenForkContext.add(lastCaseSegments); + } + } + + // Traverse up to the original fork context for the `switch` statement + for (let i = 0; i < context.forkCount; ++i) { + this.forkContext = this.forkContext.upper; + } + + /* + * Creates a path from all `brokenForkContext` paths. + * This is a path after `switch` statement. + */ + this.forkContext.replaceHead(brokenForkContext.makeNext(0, -1)); + } + + /** + * Makes a code path segment for a `SwitchCase` node. + * @param {boolean} isCaseBodyEmpty `true` if the body is empty. + * @param {boolean} isDefaultCase `true` if the body is the default case. + * @returns {void} + */ + makeSwitchCaseBody(isCaseBodyEmpty, isDefaultCase) { + const context = this.switchContext; + + if (!context.hasCase) { + return; + } + + /* + * Merge forks. + * The parent fork context has two segments. + * Those are from the current `case` and the body of the previous case. + */ + const parentForkContext = this.forkContext; + const forkContext = this.pushForkContext(); + + forkContext.add(parentForkContext.makeNext(0, -1)); + + /* + * Add information about the default case. + * + * The purpose of this is to identify the starting segments for the + * default case to make sure there is a path there. + */ + if (isDefaultCase) { + /* + * This is the default case in the `switch`. + * + * We first save the current pointer as `defaultSegments` to point + * to the `default` keyword. + */ + context.defaultSegments = parentForkContext.head; + + /* + * If the body of the case is empty then we just set + * `foundEmptyDefault` to true; otherwise, we save a reference + * to the current pointer as `defaultBodySegments`. + */ + if (isCaseBodyEmpty) { + context.foundEmptyDefault = true; + } else { + context.defaultBodySegments = forkContext.head; + } + } else { + /* + * This is not the default case in the `switch`. + * + * If it's not empty and there is already an empty default case found, + * that means the default case actually comes before this case, + * and that it will fall through to this case. So, we can now + * ignore the previous default case (reset `foundEmptyDefault` to false) + * and set `defaultBodySegments` to the current segments because this is + * effectively the new default case. + */ + if (!isCaseBodyEmpty && context.foundEmptyDefault) { + context.foundEmptyDefault = false; + context.defaultBodySegments = forkContext.head; + } + } + + // keep track if the default case ends up last + context.lastIsDefault = isDefaultCase; + context.forkCount += 1; + } + + //-------------------------------------------------------------------------- + // TryStatement + //-------------------------------------------------------------------------- + + /** + * Creates a context object of TryStatement and stacks it. + * @param {boolean} hasFinalizer `true` if the try statement has a + * `finally` block. + * @returns {void} + */ + pushTryContext(hasFinalizer) { + this.tryContext = new TryContext( + this.tryContext, + hasFinalizer, + this.forkContext, + ); + } + + /** + * Pops the last context of TryStatement and finalizes it. + * @returns {void} + */ + popTryContext() { + const context = this.tryContext; + + this.tryContext = context.upper; + + /* + * If we're inside the `catch` block, that means there is no `finally`, + * so we can process the `try` and `catch` blocks the simple way and + * merge their two paths. + */ + if (context.position === "catch") { + this.popForkContext(); + return; + } + + /* + * The following process is executed only when there is a `finally` + * block. + */ + + const originalReturnedForkContext = context.returnedForkContext; + const originalThrownForkContext = context.thrownForkContext; + + // no `return` or `throw` in `try` or `catch` so there's nothing left to do + if ( + originalReturnedForkContext.empty && + originalThrownForkContext.empty + ) { + return; + } + + /* + * The following process is executed only when there is a `finally` + * block and there was a `return` or `throw` in the `try` or `catch` + * blocks. + */ + + // Separate head to normal paths and leaving paths. + const headSegments = this.forkContext.head; + + this.forkContext = this.forkContext.upper; + const normalSegments = headSegments.slice( + 0, + (headSegments.length / 2) | 0, + ); + const leavingSegments = headSegments.slice( + (headSegments.length / 2) | 0, + ); + + // Forwards the leaving path to upper contexts. + if (!originalReturnedForkContext.empty) { + getReturnContext(this).returnedForkContext.add(leavingSegments); + } + if (!originalThrownForkContext.empty) { + getThrowContext(this).thrownForkContext.add(leavingSegments); + } + + // Sets the normal path as the next. + this.forkContext.replaceHead(normalSegments); + + /* + * If both paths of the `try` block and the `catch` block are + * unreachable, the next path becomes unreachable as well. + */ + if (!context.lastOfTryIsReachable && !context.lastOfCatchIsReachable) { + this.forkContext.makeUnreachable(); + } + } + + /** + * Makes a code path segment for a `catch` block. + * @returns {void} + */ + makeCatchBlock() { + const context = this.tryContext; + const forkContext = this.forkContext; + const originalThrownForkContext = context.thrownForkContext; + + /* + * We are now in a catch block so we need to update the context + * with that information. This includes creating a new fork + * context in case we encounter any `throw` statements here. + */ + context.position = "catch"; + context.thrownForkContext = ForkContext.newEmpty(forkContext); + context.lastOfTryIsReachable = forkContext.reachable; + + // Merge the thrown paths from the `try` and `catch` blocks + originalThrownForkContext.add(forkContext.head); + const thrownSegments = originalThrownForkContext.makeNext(0, -1); + + // Fork to a bypass and the merged thrown path. + this.pushForkContext(); + this.forkBypassPath(); + this.forkContext.add(thrownSegments); + } + + /** + * Makes a code path segment for a `finally` block. + * + * In the `finally` block, parallel paths are created. The parallel paths + * are used as leaving-paths. The leaving-paths are paths from `return` + * statements and `throw` statements in a `try` block or a `catch` block. + * @returns {void} + */ + makeFinallyBlock() { + const context = this.tryContext; + let forkContext = this.forkContext; + const originalReturnedForkContext = context.returnedForkContext; + const originalThrownForContext = context.thrownForkContext; + const headOfLeavingSegments = forkContext.head; + + // Update state. + if (context.position === "catch") { + // Merges two paths from the `try` block and `catch` block. + this.popForkContext(); + forkContext = this.forkContext; + + context.lastOfCatchIsReachable = forkContext.reachable; + } else { + context.lastOfTryIsReachable = forkContext.reachable; + } + + context.position = "finally"; + + /* + * If there was no `return` or `throw` in either the `try` or `catch` + * blocks, then there's no further code paths to create for `finally`. + */ + if ( + originalReturnedForkContext.empty && + originalThrownForContext.empty + ) { + // This path does not leave. + return; + } + + /* + * Create a parallel segment from merging returned and thrown. + * This segment will leave at the end of this `finally` block. + */ + const segments = forkContext.makeNext(-1, -1); + + for (let i = 0; i < forkContext.count; ++i) { + const prevSegsOfLeavingSegment = [headOfLeavingSegments[i]]; + + for ( + let j = 0; + j < originalReturnedForkContext.segmentsList.length; + ++j + ) { + prevSegsOfLeavingSegment.push( + originalReturnedForkContext.segmentsList[j][i], + ); + } + for ( + let j = 0; + j < originalThrownForContext.segmentsList.length; + ++j + ) { + prevSegsOfLeavingSegment.push( + originalThrownForContext.segmentsList[j][i], + ); + } + + segments.push( + CodePathSegment.newNext( + this.idGenerator.next(), + prevSegsOfLeavingSegment, + ), + ); + } + + this.pushForkContext(true); + this.forkContext.add(segments); + } + + /** + * Makes a code path segment from the first throwable node to the `catch` + * block or the `finally` block. + * @returns {void} + */ + makeFirstThrowablePathInTryBlock() { + const forkContext = this.forkContext; + + if (!forkContext.reachable) { + return; + } + + const context = getThrowContext(this); + + if ( + context === this || + context.position !== "try" || + !context.thrownForkContext.empty + ) { + return; + } + + context.thrownForkContext.add(forkContext.head); + forkContext.replaceHead(forkContext.makeNext(-1, -1)); + } + + //-------------------------------------------------------------------------- + // Loop Statements + //-------------------------------------------------------------------------- + + /** + * Creates a context object of a loop statement and stacks it. + * @param {string} type The type of the node which was triggered. One of + * `WhileStatement`, `DoWhileStatement`, `ForStatement`, `ForInStatement`, + * and `ForStatement`. + * @param {string|null} label A label of the node which was triggered. + * @throws {Error} (Unreachable - unknown type.) + * @returns {void} + */ + pushLoopContext(type, label) { + const forkContext = this.forkContext; + + // All loops need a path to account for `break` statements + const breakContext = this.pushBreakContext(true, label); + + switch (type) { + case "WhileStatement": + this.pushChoiceContext("loop", false); + this.loopContext = new WhileLoopContext( + this.loopContext, + label, + breakContext, + ); + break; + + case "DoWhileStatement": + this.pushChoiceContext("loop", false); + this.loopContext = new DoWhileLoopContext( + this.loopContext, + label, + breakContext, + forkContext, + ); + break; + + case "ForStatement": + this.pushChoiceContext("loop", false); + this.loopContext = new ForLoopContext( + this.loopContext, + label, + breakContext, + ); + break; + + case "ForInStatement": + this.loopContext = new ForInLoopContext( + this.loopContext, + label, + breakContext, + ); + break; + + case "ForOfStatement": + this.loopContext = new ForOfLoopContext( + this.loopContext, + label, + breakContext, + ); + break; + + /* c8 ignore next */ + default: + throw new Error(`unknown type: "${type}"`); + } + } + + /** + * Pops the last context of a loop statement and finalizes it. + * @throws {Error} (Unreachable - unknown type.) + * @returns {void} + */ + popLoopContext() { + const context = this.loopContext; + + this.loopContext = context.upper; + + const forkContext = this.forkContext; + const brokenForkContext = this.popBreakContext().brokenForkContext; + + // Creates a looped path. + switch (context.type) { + case "WhileStatement": + case "ForStatement": + this.popChoiceContext(); + + /* + * Creates the path from the end of the loop body up to the + * location where `continue` would jump to. + */ + makeLooped( + this, + forkContext.head, + context.continueDestSegments, + ); + break; + + case "DoWhileStatement": { + const choiceContext = this.popChoiceContext(); + + if (!choiceContext.processed) { + choiceContext.trueForkContext.add(forkContext.head); + choiceContext.falseForkContext.add(forkContext.head); + } + + /* + * If this isn't a hardcoded `true` condition, then `break` + * should continue down the path as if the condition evaluated + * to false. + */ + if (context.test !== true) { + brokenForkContext.addAll(choiceContext.falseForkContext); + } + + /* + * When the condition is true, the loop continues back to the top, + * so create a path from each possible true condition back to the + * top of the loop. + */ + const segmentsList = choiceContext.trueForkContext.segmentsList; + + for (let i = 0; i < segmentsList.length; ++i) { + makeLooped(this, segmentsList[i], context.entrySegments); + } + break; + } + + case "ForInStatement": + case "ForOfStatement": + brokenForkContext.add(forkContext.head); + + /* + * Creates the path from the end of the loop body up to the + * left expression (left of `in` or `of`) of the loop. + */ + makeLooped(this, forkContext.head, context.leftSegments); + break; + + /* c8 ignore next */ + default: + throw new Error("unreachable"); + } + + /* + * If there wasn't a `break` statement in the loop, then we're at + * the end of the loop's path, so we make an unreachable segment + * to mark that. + * + * If there was a `break` statement, then we continue on into the + * `brokenForkContext`. + */ + if (brokenForkContext.empty) { + forkContext.replaceHead(forkContext.makeUnreachable(-1, -1)); + } else { + forkContext.replaceHead(brokenForkContext.makeNext(0, -1)); + } + } + + /** + * Makes a code path segment for the test part of a WhileStatement. + * @param {boolean|undefined} test The test value (only when constant). + * @returns {void} + */ + makeWhileTest(test) { + const context = this.loopContext; + const forkContext = this.forkContext; + const testSegments = forkContext.makeNext(0, -1); + + // Update state. + context.test = test; + context.continueDestSegments = testSegments; + forkContext.replaceHead(testSegments); + } + + /** + * Makes a code path segment for the body part of a WhileStatement. + * @returns {void} + */ + makeWhileBody() { + const context = this.loopContext; + const choiceContext = this.choiceContext; + const forkContext = this.forkContext; + + if (!choiceContext.processed) { + choiceContext.trueForkContext.add(forkContext.head); + choiceContext.falseForkContext.add(forkContext.head); + } + + /* + * If this isn't a hardcoded `true` condition, then `break` + * should continue down the path as if the condition evaluated + * to false. + */ + if (context.test !== true) { + context.brokenForkContext.addAll(choiceContext.falseForkContext); + } + forkContext.replaceHead(choiceContext.trueForkContext.makeNext(0, -1)); + } + + /** + * Makes a code path segment for the body part of a DoWhileStatement. + * @returns {void} + */ + makeDoWhileBody() { + const context = this.loopContext; + const forkContext = this.forkContext; + const bodySegments = forkContext.makeNext(-1, -1); + + // Update state. + context.entrySegments = bodySegments; + forkContext.replaceHead(bodySegments); + } + + /** + * Makes a code path segment for the test part of a DoWhileStatement. + * @param {boolean|undefined} test The test value (only when constant). + * @returns {void} + */ + makeDoWhileTest(test) { + const context = this.loopContext; + const forkContext = this.forkContext; + + context.test = test; + + /* + * If there is a `continue` statement in the loop then `continueForkContext` + * won't be empty. We wire up the path from `continue` to the loop + * test condition and then continue the traversal in the root fork context. + */ + if (!context.continueForkContext.empty) { + context.continueForkContext.add(forkContext.head); + const testSegments = context.continueForkContext.makeNext(0, -1); + + forkContext.replaceHead(testSegments); + } + } + + /** + * Makes a code path segment for the test part of a ForStatement. + * @param {boolean|undefined} test The test value (only when constant). + * @returns {void} + */ + makeForTest(test) { + const context = this.loopContext; + const forkContext = this.forkContext; + const endOfInitSegments = forkContext.head; + const testSegments = forkContext.makeNext(-1, -1); + + /* + * Update the state. + * + * The `continueDestSegments` are set to `testSegments` because we + * don't yet know if there is an update expression in this loop. So, + * from what we already know at this point, a `continue` statement + * will jump back to the test expression. + */ + context.test = test; + context.endOfInitSegments = endOfInitSegments; + context.continueDestSegments = context.testSegments = testSegments; + forkContext.replaceHead(testSegments); + } + + /** + * Makes a code path segment for the update part of a ForStatement. + * @returns {void} + */ + makeForUpdate() { + const context = this.loopContext; + const choiceContext = this.choiceContext; + const forkContext = this.forkContext; + + // Make the next paths of the test. + if (context.testSegments) { + finalizeTestSegmentsOfFor(context, choiceContext, forkContext.head); + } else { + context.endOfInitSegments = forkContext.head; + } + + /* + * Update the state. + * + * The `continueDestSegments` are now set to `updateSegments` because we + * know there is an update expression in this loop. So, a `continue` statement + * in the loop will jump to the update expression first, and then to any + * test expression the loop might have. + */ + const updateSegments = forkContext.makeDisconnected(-1, -1); + + context.continueDestSegments = context.updateSegments = updateSegments; + forkContext.replaceHead(updateSegments); + } + + /** + * Makes a code path segment for the body part of a ForStatement. + * @returns {void} + */ + makeForBody() { + const context = this.loopContext; + const choiceContext = this.choiceContext; + const forkContext = this.forkContext; + + /* + * Determine what to do based on which part of the `for` loop are present. + * 1. If there is an update expression, then `updateSegments` is not null and + * we need to assign `endOfUpdateSegments`, and if there is a test + * expression, we then need to create the looped path to get back to + * the test condition. + * 2. If there is no update expression but there is a test expression, + * then we only need to update the test segment information. + * 3. If there is no update expression and no test expression, then we + * just save `endOfInitSegments`. + */ + if (context.updateSegments) { + context.endOfUpdateSegments = forkContext.head; + + /* + * In a `for` loop that has both an update expression and a test + * condition, execution flows from the test expression into the + * loop body, to the update expression, and then back to the test + * expression to determine if the loop should continue. + * + * To account for that, we need to make a path from the end of the + * update expression to the start of the test expression. This is + * effectively what creates the loop in the code path. + */ + if (context.testSegments) { + makeLooped( + this, + context.endOfUpdateSegments, + context.testSegments, + ); + } + } else if (context.testSegments) { + finalizeTestSegmentsOfFor(context, choiceContext, forkContext.head); + } else { + context.endOfInitSegments = forkContext.head; + } + + let bodySegments = context.endOfTestSegments; + + /* + * If there is a test condition, then there `endOfTestSegments` is also + * the start of the loop body. If there isn't a test condition then + * `bodySegments` will be null and we need to look elsewhere to find + * the start of the body. + * + * The body starts at the end of the init expression and ends at the end + * of the update expression, so we use those locations to determine the + * body segments. + */ + if (!bodySegments) { + const prevForkContext = ForkContext.newEmpty(forkContext); + + prevForkContext.add(context.endOfInitSegments); + if (context.endOfUpdateSegments) { + prevForkContext.add(context.endOfUpdateSegments); + } + + bodySegments = prevForkContext.makeNext(0, -1); + } + + /* + * If there was no test condition and no update expression, then + * `continueDestSegments` will be null. In that case, a + * `continue` should skip directly to the body of the loop. + * Otherwise, we want to keep the current `continueDestSegments`. + */ + context.continueDestSegments = + context.continueDestSegments || bodySegments; + + // move pointer to the body + forkContext.replaceHead(bodySegments); + } + + /** + * Makes a code path segment for the left part of a ForInStatement and a + * ForOfStatement. + * @returns {void} + */ + makeForInOfLeft() { + const context = this.loopContext; + const forkContext = this.forkContext; + const leftSegments = forkContext.makeDisconnected(-1, -1); + + // Update state. + context.prevSegments = forkContext.head; + context.leftSegments = context.continueDestSegments = leftSegments; + forkContext.replaceHead(leftSegments); + } + + /** + * Makes a code path segment for the right part of a ForInStatement and a + * ForOfStatement. + * @returns {void} + */ + makeForInOfRight() { + const context = this.loopContext; + const forkContext = this.forkContext; + const temp = ForkContext.newEmpty(forkContext); + + temp.add(context.prevSegments); + const rightSegments = temp.makeNext(-1, -1); + + // Update state. + context.endOfLeftSegments = forkContext.head; + forkContext.replaceHead(rightSegments); + } + + /** + * Makes a code path segment for the body part of a ForInStatement and a + * ForOfStatement. + * @returns {void} + */ + makeForInOfBody() { + const context = this.loopContext; + const forkContext = this.forkContext; + const temp = ForkContext.newEmpty(forkContext); + + temp.add(context.endOfLeftSegments); + const bodySegments = temp.makeNext(-1, -1); + + // Make a path: `right` -> `left`. + makeLooped(this, forkContext.head, context.leftSegments); + + // Update state. + context.brokenForkContext.add(forkContext.head); + forkContext.replaceHead(bodySegments); + } + + //-------------------------------------------------------------------------- + // Control Statements + //-------------------------------------------------------------------------- + + /** + * Creates new context in which a `break` statement can be used. This occurs inside of a loop, + * labeled statement, or switch statement. + * @param {boolean} breakable Indicates if we are inside a statement where + * `break` without a label will exit the statement. + * @param {string|null} label The label associated with the statement. + * @returns {BreakContext} The new context. + */ + pushBreakContext(breakable, label) { + this.breakContext = new BreakContext( + this.breakContext, + breakable, + label, + this.forkContext, + ); + return this.breakContext; + } + + /** + * Removes the top item of the break context stack. + * @returns {Object} The removed context. + */ + popBreakContext() { + const context = this.breakContext; + const forkContext = this.forkContext; + + this.breakContext = context.upper; + + // Process this context here for other than switches and loops. + if (!context.breakable) { + const brokenForkContext = context.brokenForkContext; + + if (!brokenForkContext.empty) { + brokenForkContext.add(forkContext.head); + forkContext.replaceHead(brokenForkContext.makeNext(0, -1)); + } + } + + return context; + } + + /** + * Makes a path for a `break` statement. + * + * It registers the head segment to a context of `break`. + * It makes new unreachable segment, then it set the head with the segment. + * @param {string|null} label A label of the break statement. + * @returns {void} + */ + makeBreak(label) { + const forkContext = this.forkContext; + + if (!forkContext.reachable) { + return; + } + + const context = getBreakContext(this, label); + + if (context) { + context.brokenForkContext.add(forkContext.head); + } + + /* c8 ignore next */ + forkContext.replaceHead(forkContext.makeUnreachable(-1, -1)); + } + + /** + * Makes a path for a `continue` statement. + * + * It makes a looping path. + * It makes new unreachable segment, then it set the head with the segment. + * @param {string|null} label A label of the continue statement. + * @returns {void} + */ + makeContinue(label) { + const forkContext = this.forkContext; + + if (!forkContext.reachable) { + return; + } + + const context = getContinueContext(this, label); + + if (context) { + if (context.continueDestSegments) { + makeLooped( + this, + forkContext.head, + context.continueDestSegments, + ); + + // If the context is a for-in/of loop, this affects a break also. + if ( + context.type === "ForInStatement" || + context.type === "ForOfStatement" + ) { + context.brokenForkContext.add(forkContext.head); + } + } else { + context.continueForkContext.add(forkContext.head); + } + } + forkContext.replaceHead(forkContext.makeUnreachable(-1, -1)); + } + + /** + * Makes a path for a `return` statement. + * + * It registers the head segment to a context of `return`. + * It makes new unreachable segment, then it set the head with the segment. + * @returns {void} + */ + makeReturn() { + const forkContext = this.forkContext; + + if (forkContext.reachable) { + getReturnContext(this).returnedForkContext.add(forkContext.head); + forkContext.replaceHead(forkContext.makeUnreachable(-1, -1)); + } + } + + /** + * Makes a path for a `throw` statement. + * + * It registers the head segment to a context of `throw`. + * It makes new unreachable segment, then it set the head with the segment. + * @returns {void} + */ + makeThrow() { + const forkContext = this.forkContext; + + if (forkContext.reachable) { + getThrowContext(this).thrownForkContext.add(forkContext.head); + forkContext.replaceHead(forkContext.makeUnreachable(-1, -1)); + } + } + + /** + * Makes the final path. + * @returns {void} + */ + makeFinal() { + const segments = this.currentSegments; + + if (segments.length > 0 && segments[0].reachable) { + this.returnedForkContext.add(segments); + } + } +} + +module.exports = CodePathState; diff --git a/module/node_modules/eslint/lib/linter/code-path-analysis/code-path.js b/module/node_modules/eslint/lib/linter/code-path-analysis/code-path.js new file mode 100644 index 000000000..36ff8c53e --- /dev/null +++ b/module/node_modules/eslint/lib/linter/code-path-analysis/code-path.js @@ -0,0 +1,332 @@ +/** + * @fileoverview A class of the code path. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const CodePathState = require("./code-path-state"); +const IdGenerator = require("./id-generator"); + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * A code path. + */ +class CodePath { + /** + * Creates a new instance. + * @param {Object} options Options for the function (see below). + * @param {string} options.id An identifier. + * @param {string} options.origin The type of code path origin. + * @param {CodePath|null} options.upper The code path of the upper function scope. + * @param {Function} options.onLooped A callback function to notify looping. + */ + constructor({ id, origin, upper, onLooped }) { + /** + * The identifier of this code path. + * Rules use it to store additional information of each rule. + * @type {string} + */ + this.id = id; + + /** + * The reason that this code path was started. May be "program", + * "function", "class-field-initializer", or "class-static-block". + * @type {string} + */ + this.origin = origin; + + /** + * The code path of the upper function scope. + * @type {CodePath|null} + */ + this.upper = upper; + + /** + * The code paths of nested function scopes. + * @type {CodePath[]} + */ + this.childCodePaths = []; + + // Initializes internal state. + Object.defineProperty(this, "internal", { + value: new CodePathState(new IdGenerator(`${id}_`), onLooped), + }); + + // Adds this into `childCodePaths` of `upper`. + if (upper) { + upper.childCodePaths.push(this); + } + } + + /** + * Gets the state of a given code path. + * @param {CodePath} codePath A code path to get. + * @returns {CodePathState} The state of the code path. + */ + static getState(codePath) { + return codePath.internal; + } + + /** + * The initial code path segment. This is the segment that is at the head + * of the code path. + * This is a passthrough to the underlying `CodePathState`. + * @type {CodePathSegment} + */ + get initialSegment() { + return this.internal.initialSegment; + } + + /** + * Final code path segments. These are the terminal (tail) segments in the + * code path, which is the combination of `returnedSegments` and `thrownSegments`. + * All segments in this array are reachable. + * This is a passthrough to the underlying `CodePathState`. + * @type {CodePathSegment[]} + */ + get finalSegments() { + return this.internal.finalSegments; + } + + /** + * Final code path segments that represent normal completion of the code path. + * For functions, this means both explicit `return` statements and implicit returns, + * such as the last reachable segment in a function that does not have an + * explicit `return` as this implicitly returns `undefined`. For scripts, + * modules, class field initializers, and class static blocks, this means + * all lines of code have been executed. + * These segments are also present in `finalSegments`. + * This is a passthrough to the underlying `CodePathState`. + * @type {CodePathSegment[]} + */ + get returnedSegments() { + return this.internal.returnedForkContext; + } + + /** + * Final code path segments that represent `throw` statements. + * This is a passthrough to the underlying `CodePathState`. + * These segments are also present in `finalSegments`. + * @type {CodePathSegment[]} + */ + get thrownSegments() { + return this.internal.thrownForkContext; + } + + /** + * Traverses all segments in this code path. + * + * codePath.traverseSegments((segment, controller) => { + * // do something. + * }); + * + * This method enumerates segments in order from the head. + * + * The `controller` argument has two methods: + * + * - `skip()` - skips the following segments in this branch + * - `break()` - skips all following segments in the traversal + * + * A note on the parameters: the `options` argument is optional. This means + * the first argument might be an options object or the callback function. + * @param {Object} [optionsOrCallback] Optional first and last segments to traverse. + * @param {CodePathSegment} [optionsOrCallback.first] The first segment to traverse. + * @param {CodePathSegment} [optionsOrCallback.last] The last segment to traverse. + * @param {Function} callback A callback function. + * @returns {void} + */ + traverseSegments(optionsOrCallback, callback) { + // normalize the arguments into a callback and options + let resolvedOptions; + let resolvedCallback; + + if (typeof optionsOrCallback === "function") { + resolvedCallback = optionsOrCallback; + resolvedOptions = {}; + } else { + resolvedOptions = optionsOrCallback || {}; + resolvedCallback = callback; + } + + // determine where to start traversing from based on the options + const startSegment = + resolvedOptions.first || this.internal.initialSegment; + const lastSegment = resolvedOptions.last; + + // set up initial location information + let record; + let index; + let end; + let segment = null; + + // segments that have already been visited during traversal + const visited = new Set(); + + // tracks the traversal steps + const stack = [[startSegment, 0]]; + + // segments that have been skipped during traversal + const skipped = new Set(); + + // indicates if we exited early from the traversal + let broken = false; + + /** + * Maintains traversal state. + */ + const controller = { + /** + * Skip the following segments in this branch. + * @returns {void} + */ + skip() { + skipped.add(segment); + }, + + /** + * Stop traversal completely - do not traverse to any + * other segments. + * @returns {void} + */ + break() { + broken = true; + }, + }; + + /** + * Checks if a given previous segment has been visited. + * @param {CodePathSegment} prevSegment A previous segment to check. + * @returns {boolean} `true` if the segment has been visited. + */ + function isVisited(prevSegment) { + return ( + visited.has(prevSegment) || + segment.isLoopedPrevSegment(prevSegment) + ); + } + + /** + * Checks if a given previous segment has been skipped. + * @param {CodePathSegment} prevSegment A previous segment to check. + * @returns {boolean} `true` if the segment has been skipped. + */ + function isSkipped(prevSegment) { + return ( + skipped.has(prevSegment) || + segment.isLoopedPrevSegment(prevSegment) + ); + } + + // the traversal + while (stack.length > 0) { + /* + * This isn't a pure stack. We use the top record all the time + * but don't always pop it off. The record is popped only if + * one of the following is true: + * + * 1) We have already visited the segment. + * 2) We have not visited *all* of the previous segments. + * 3) We have traversed past the available next segments. + * + * Otherwise, we just read the value and sometimes modify the + * record as we traverse. + */ + record = stack.at(-1); + segment = record[0]; + index = record[1]; + + if (index === 0) { + // Skip if this segment has been visited already. + if (visited.has(segment)) { + stack.pop(); + continue; + } + + // Skip if all previous segments have not been visited. + if ( + segment !== startSegment && + segment.prevSegments.length > 0 && + !segment.prevSegments.every(isVisited) + ) { + stack.pop(); + continue; + } + + visited.add(segment); + + // Skips the segment if all previous segments have been skipped. + const shouldSkip = + skipped.size > 0 && + segment.prevSegments.length > 0 && + segment.prevSegments.every(isSkipped); + + /* + * If the most recent segment hasn't been skipped, then we call + * the callback, passing in the segment and the controller. + */ + if (!shouldSkip) { + resolvedCallback.call(this, segment, controller); + + // exit if we're at the last segment + if (segment === lastSegment) { + controller.skip(); + } + + /* + * If the previous statement was executed, or if the callback + * called a method on the controller, we might need to exit the + * loop, so check for that and break accordingly. + */ + if (broken) { + break; + } + } else { + // If the most recent segment has been skipped, then mark it as skipped. + skipped.add(segment); + } + } + + // Update the stack. + end = segment.nextSegments.length - 1; + if (index < end) { + /* + * If we haven't yet visited all of the next segments, update + * the current top record on the stack to the next index to visit + * and then push a record for the current segment on top. + * + * Setting the current top record's index lets us know how many + * times we've been here and ensures that the segment won't be + * reprocessed (because we only process segments with an index + * of 0). + */ + record[1] += 1; + stack.push([segment.nextSegments[index], 0]); + } else if (index === end) { + /* + * If we are at the last next segment, then reset the top record + * in the stack to next segment and set its index to 0 so it will + * be processed next. + */ + record[0] = segment.nextSegments[index]; + record[1] = 0; + } else { + /* + * If index > end, that means we have no more segments that need + * processing. So, we pop that record off of the stack in order to + * continue traversing at the next level up. + */ + stack.pop(); + } + } + } +} + +module.exports = CodePath; diff --git a/module/node_modules/eslint/lib/linter/code-path-analysis/debug-helpers.js b/module/node_modules/eslint/lib/linter/code-path-analysis/debug-helpers.js new file mode 100644 index 000000000..6a65ca7b5 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/code-path-analysis/debug-helpers.js @@ -0,0 +1,223 @@ +/** + * @fileoverview Helpers to debug for code path analysis. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const debug = require("debug")("eslint:code-path"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Gets id of a given segment. + * @param {CodePathSegment} segment A segment to get. + * @returns {string} Id of the segment. + */ +/* c8 ignore next */ +// eslint-disable-next-line jsdoc/require-jsdoc -- Ignoring +function getId(segment) { + return segment.id + (segment.reachable ? "" : "!"); +} + +/** + * Get string for the given node and operation. + * @param {ASTNode} node The node to convert. + * @param {"enter" | "exit" | undefined} label The operation label. + * @returns {string} The string representation. + */ +function nodeToString(node, label) { + const suffix = label ? `:${label}` : ""; + + switch (node.type) { + case "Identifier": + return `${node.type}${suffix} (${node.name})`; + case "Literal": + return `${node.type}${suffix} (${node.value})`; + default: + return `${node.type}${suffix}`; + } +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = { + /** + * A flag that debug dumping is enabled or not. + * @type {boolean} + */ + enabled: debug.enabled, + + /** + * Dumps given objects. + * @param {...any} args objects to dump. + * @returns {void} + */ + dump: debug, + + /** + * Dumps the current analyzing state. + * @param {ASTNode} node A node to dump. + * @param {CodePathState} state A state to dump. + * @param {boolean} leaving A flag whether or not it's leaving + * @returns {void} + */ + dumpState: !debug.enabled + ? debug + : /* c8 ignore next */ function (node, state, leaving) { + for (let i = 0; i < state.currentSegments.length; ++i) { + const segInternal = state.currentSegments[i].internal; + + if (leaving) { + const last = segInternal.nodes.length - 1; + + if ( + last >= 0 && + segInternal.nodes[last] === + nodeToString(node, "enter") + ) { + segInternal.nodes[last] = nodeToString( + node, + void 0, + ); + } else { + segInternal.nodes.push(nodeToString(node, "exit")); + } + } else { + segInternal.nodes.push(nodeToString(node, "enter")); + } + } + + debug( + [ + `${state.currentSegments.map(getId).join(",")})`, + `${node.type}${leaving ? ":exit" : ""}`, + ].join(" "), + ); + }, + + /** + * Dumps a DOT code of a given code path. + * The DOT code can be visualized with Graphvis. + * @param {CodePath} codePath A code path to dump. + * @returns {void} + * @see http://www.graphviz.org + * @see http://www.webgraphviz.com + */ + dumpDot: !debug.enabled + ? debug + : /* c8 ignore next */ function (codePath) { + let text = + "\n" + + "digraph {\n" + + 'node[shape=box,style="rounded,filled",fillcolor=white];\n' + + 'initial[label="",shape=circle,style=filled,fillcolor=black,width=0.25,height=0.25];\n'; + + if (codePath.returnedSegments.length > 0) { + text += + 'final[label="",shape=doublecircle,style=filled,fillcolor=black,width=0.25,height=0.25];\n'; + } + if (codePath.thrownSegments.length > 0) { + text += + 'thrown[label="✘",shape=circle,width=0.3,height=0.3,fixedsize=true];\n'; + } + + const traceMap = Object.create(null); + const arrows = this.makeDotArrows(codePath, traceMap); + + // eslint-disable-next-line guard-for-in -- Want ability to traverse prototype + for (const id in traceMap) { + const segment = traceMap[id]; + + text += `${id}[`; + + if (segment.reachable) { + text += 'label="'; + } else { + text += + 'style="rounded,dashed,filled",fillcolor="#FF9800",label="<>\\n'; + } + + if (segment.internal.nodes.length > 0) { + text += segment.internal.nodes.join("\\n"); + } else { + text += "????"; + } + + text += '"];\n'; + } + + text += `${arrows}\n`; + text += "}"; + debug("DOT", text); + }, + + /** + * Makes a DOT code of a given code path. + * The DOT code can be visualized with Graphvis. + * @param {CodePath} codePath A code path to make DOT. + * @param {Object} traceMap Optional. A map to check whether or not segments had been done. + * @returns {string} A DOT code of the code path. + */ + makeDotArrows(codePath, traceMap) { + const stack = [[codePath.initialSegment, 0]]; + const done = traceMap || Object.create(null); + let lastId = codePath.initialSegment.id; + let text = `initial->${codePath.initialSegment.id}`; + + while (stack.length > 0) { + const item = stack.pop(); + const segment = item[0]; + const index = item[1]; + + if (done[segment.id] && index === 0) { + continue; + } + done[segment.id] = segment; + + const nextSegment = segment.allNextSegments[index]; + + if (!nextSegment) { + continue; + } + + if (lastId === segment.id) { + text += `->${nextSegment.id}`; + } else { + text += `;\n${segment.id}->${nextSegment.id}`; + } + lastId = nextSegment.id; + + stack.unshift([segment, 1 + index]); + stack.push([nextSegment, 0]); + } + + codePath.returnedSegments.forEach(finalSegment => { + if (lastId === finalSegment.id) { + text += "->final"; + } else { + text += `;\n${finalSegment.id}->final`; + } + lastId = null; + }); + + codePath.thrownSegments.forEach(finalSegment => { + if (lastId === finalSegment.id) { + text += "->thrown"; + } else { + text += `;\n${finalSegment.id}->thrown`; + } + lastId = null; + }); + + return `${text};`; + }, +}; diff --git a/module/node_modules/eslint/lib/linter/code-path-analysis/fork-context.js b/module/node_modules/eslint/lib/linter/code-path-analysis/fork-context.js new file mode 100644 index 000000000..93d331625 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/code-path-analysis/fork-context.js @@ -0,0 +1,374 @@ +/** + * @fileoverview A class to operate forking. + * + * This is state of forking. + * This has a fork list and manages it. + * + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const assert = require("../../shared/assert"), + CodePathSegment = require("./code-path-segment"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines whether or not a given segment is reachable. + * @param {CodePathSegment} segment The segment to check. + * @returns {boolean} `true` if the segment is reachable. + */ +function isReachable(segment) { + return segment.reachable; +} + +/** + * Creates a new segment for each fork in the given context and appends it + * to the end of the specified range of segments. Ultimately, this ends up calling + * `new CodePathSegment()` for each of the forks using the `create` argument + * as a wrapper around special behavior. + * + * The `startIndex` and `endIndex` arguments specify a range of segments in + * `context` that should become `allPrevSegments` for the newly created + * `CodePathSegment` objects. + * + * When `context.segmentsList` is `[[a, b], [c, d], [e, f]]`, `begin` is `0`, and + * `end` is `-1`, this creates two new segments, `[g, h]`. This `g` is appended to + * the end of the path from `a`, `c`, and `e`. This `h` is appended to the end of + * `b`, `d`, and `f`. + * @param {ForkContext} context An instance from which the previous segments + * will be obtained. + * @param {number} startIndex The index of the first segment in the context + * that should be specified as previous segments for the newly created segments. + * @param {number} endIndex The index of the last segment in the context + * that should be specified as previous segments for the newly created segments. + * @param {Function} create A function that creates new `CodePathSegment` + * instances in a particular way. See the `CodePathSegment.new*` methods. + * @returns {Array} An array of the newly-created segments. + */ +function createSegments(context, startIndex, endIndex, create) { + /** @type {Array>} */ + const list = context.segmentsList; + + /* + * Both `startIndex` and `endIndex` work the same way: if the number is zero + * or more, then the number is used as-is. If the number is negative, + * then that number is added to the length of the segments list to + * determine the index to use. That means -1 for either argument + * is the last element, -2 is the second to last, and so on. + * + * So if `startIndex` is 0, `endIndex` is -1, and `list.length` is 3, the + * effective `startIndex` is 0 and the effective `endIndex` is 2, so this function + * will include items at indices 0, 1, and 2. + * + * Therefore, if `startIndex` is -1 and `endIndex` is -1, that means we'll only + * be using the last segment in `list`. + */ + const normalizedBegin = + startIndex >= 0 ? startIndex : list.length + startIndex; + const normalizedEnd = endIndex >= 0 ? endIndex : list.length + endIndex; + + /** @type {Array} */ + const segments = []; + + for (let i = 0; i < context.count; ++i) { + // this is passed into `new CodePathSegment` to add to code path. + const allPrevSegments = []; + + for (let j = normalizedBegin; j <= normalizedEnd; ++j) { + allPrevSegments.push(list[j][i]); + } + + // note: `create` is just a wrapper that augments `new CodePathSegment`. + segments.push(create(context.idGenerator.next(), allPrevSegments)); + } + + return segments; +} + +/** + * Inside of a `finally` block we end up with two parallel paths. If the code path + * exits by a control statement (such as `break` or `continue`) from the `finally` + * block, then we need to merge the remaining parallel paths back into one. + * @param {ForkContext} context The fork context to work on. + * @param {Array} segments Segments to merge. + * @returns {Array} The merged segments. + */ +function mergeExtraSegments(context, segments) { + let currentSegments = segments; + + /* + * We need to ensure that the array returned from this function contains no more + * than the number of segments that the context allows. `context.count` indicates + * how many items should be in the returned array to ensure that the new segment + * entries will line up with the already existing segment entries. + */ + while (currentSegments.length > context.count) { + const merged = []; + + /* + * Because `context.count` is a factor of 2 inside of a `finally` block, + * we can divide the segment count by 2 to merge the paths together. + * This loops through each segment in the list and creates a new `CodePathSegment` + * that has the segment and the segment two slots away as previous segments. + * + * If `currentSegments` is [a,b,c,d], this will create new segments e and f, such + * that: + * + * When `i` is 0: + * a->e + * c->e + * + * When `i` is 1: + * b->f + * d->f + */ + for ( + let i = 0, length = Math.floor(currentSegments.length / 2); + i < length; + ++i + ) { + merged.push( + CodePathSegment.newNext(context.idGenerator.next(), [ + currentSegments[i], + currentSegments[i + length], + ]), + ); + } + + /* + * Go through the loop condition one more time to see if we have the + * number of segments for the context. If not, we'll keep merging paths + * of the merged segments until we get there. + */ + currentSegments = merged; + } + + return currentSegments; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Manages the forking of code paths. + */ +class ForkContext { + /** + * Creates a new instance. + * @param {IdGenerator} idGenerator An identifier generator for segments. + * @param {ForkContext|null} upper The preceding fork context. + * @param {number} count The number of parallel segments in each element + * of `segmentsList`. + */ + constructor(idGenerator, upper, count) { + /** + * The ID generator that will generate segment IDs for any new + * segments that are created. + * @type {IdGenerator} + */ + this.idGenerator = idGenerator; + + /** + * The preceding fork context. + * @type {ForkContext|null} + */ + this.upper = upper; + + /** + * The number of elements in each element of `segmentsList`. In most + * cases, this is 1 but can be 2 when there is a `finally` present, + * which forks the code path outside of normal flow. In the case of nested + * `finally` blocks, this can be a multiple of 2. + * @type {number} + */ + this.count = count; + + /** + * The segments within this context. Each element in this array has + * `count` elements that represent one step in each fork. For example, + * when `segmentsList` is `[[a, b], [c, d], [e, f]]`, there is one path + * a->c->e and one path b->d->f, and `count` is 2 because each element + * is an array with two elements. + * @type {Array>} + */ + this.segmentsList = []; + } + + /** + * The segments that begin this fork context. + * @type {Array} + */ + get head() { + const list = this.segmentsList; + + return list.length === 0 ? [] : list.at(-1); + } + + /** + * Indicates if the context contains no segments. + * @type {boolean} + */ + get empty() { + return this.segmentsList.length === 0; + } + + /** + * Indicates if there are any segments that are reachable. + * @type {boolean} + */ + get reachable() { + const segments = this.head; + + return segments.length > 0 && segments.some(isReachable); + } + + /** + * Creates new segments in this context and appends them to the end of the + * already existing `CodePathSegment`s specified by `startIndex` and + * `endIndex`. + * @param {number} startIndex The index of the first segment in the context + * that should be specified as previous segments for the newly created segments. + * @param {number} endIndex The index of the last segment in the context + * that should be specified as previous segments for the newly created segments. + * @returns {Array} An array of the newly created segments. + */ + makeNext(startIndex, endIndex) { + return createSegments( + this, + startIndex, + endIndex, + CodePathSegment.newNext, + ); + } + + /** + * Creates new unreachable segments in this context and appends them to the end of the + * already existing `CodePathSegment`s specified by `startIndex` and + * `endIndex`. + * @param {number} startIndex The index of the first segment in the context + * that should be specified as previous segments for the newly created segments. + * @param {number} endIndex The index of the last segment in the context + * that should be specified as previous segments for the newly created segments. + * @returns {Array} An array of the newly created segments. + */ + makeUnreachable(startIndex, endIndex) { + return createSegments( + this, + startIndex, + endIndex, + CodePathSegment.newUnreachable, + ); + } + + /** + * Creates new segments in this context and does not append them to the end + * of the already existing `CodePathSegment`s specified by `startIndex` and + * `endIndex`. The `startIndex` and `endIndex` are only used to determine if + * the new segments should be reachable. If any of the segments in this range + * are reachable then the new segments are also reachable; otherwise, the new + * segments are unreachable. + * @param {number} startIndex The index of the first segment in the context + * that should be considered for reachability. + * @param {number} endIndex The index of the last segment in the context + * that should be considered for reachability. + * @returns {Array} An array of the newly created segments. + */ + makeDisconnected(startIndex, endIndex) { + return createSegments( + this, + startIndex, + endIndex, + CodePathSegment.newDisconnected, + ); + } + + /** + * Adds segments to the head of this context. + * @param {Array} segments The segments to add. + * @returns {void} + */ + add(segments) { + assert( + segments.length >= this.count, + `${segments.length} >= ${this.count}`, + ); + this.segmentsList.push(mergeExtraSegments(this, segments)); + } + + /** + * Replaces the head segments with the given segments. + * The current head segments are removed. + * @param {Array} replacementHeadSegments The new head segments. + * @returns {void} + */ + replaceHead(replacementHeadSegments) { + assert( + replacementHeadSegments.length >= this.count, + `${replacementHeadSegments.length} >= ${this.count}`, + ); + this.segmentsList.splice( + -1, + 1, + mergeExtraSegments(this, replacementHeadSegments), + ); + } + + /** + * Adds all segments of a given fork context into this context. + * @param {ForkContext} otherForkContext The fork context to add from. + * @returns {void} + */ + addAll(otherForkContext) { + assert(otherForkContext.count === this.count); + this.segmentsList.push(...otherForkContext.segmentsList); + } + + /** + * Clears all segments in this context. + * @returns {void} + */ + clear() { + this.segmentsList = []; + } + + /** + * Creates a new root context, meaning that there are no parent + * fork contexts. + * @param {IdGenerator} idGenerator An identifier generator for segments. + * @returns {ForkContext} New fork context. + */ + static newRoot(idGenerator) { + const context = new ForkContext(idGenerator, null, 1); + + context.add([CodePathSegment.newRoot(idGenerator.next())]); + + return context; + } + + /** + * Creates an empty fork context preceded by a given context. + * @param {ForkContext} parentContext The parent fork context. + * @param {boolean} shouldForkLeavingPath Indicates that we are inside of + * a `finally` block and should therefore fork the path that leaves + * `finally`. + * @returns {ForkContext} New fork context. + */ + static newEmpty(parentContext, shouldForkLeavingPath) { + return new ForkContext( + parentContext.idGenerator, + parentContext, + (shouldForkLeavingPath ? 2 : 1) * parentContext.count, + ); + } +} + +module.exports = ForkContext; diff --git a/module/node_modules/eslint/lib/linter/code-path-analysis/id-generator.js b/module/node_modules/eslint/lib/linter/code-path-analysis/id-generator.js new file mode 100644 index 000000000..9cb4d33b2 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/code-path-analysis/id-generator.js @@ -0,0 +1,44 @@ +/** + * @fileoverview A class of identifiers generator for code path segments. + * + * Each rule uses the identifier of code path segments to store additional + * information of the code path. + * + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * A generator for unique ids. + */ +class IdGenerator { + /** + * @param {string} prefix Optional. A prefix of generated ids. + */ + constructor(prefix) { + this.prefix = String(prefix); + this.n = 0; + } + + /** + * Generates id. + * @returns {string} A generated id. + */ + next() { + this.n = (1 + this.n) | 0; + + /* c8 ignore start */ + if (this.n < 0) { + this.n = 1; + } /* c8 ignore stop */ + + return this.prefix + this.n; + } +} + +module.exports = IdGenerator; diff --git a/module/node_modules/eslint/lib/linter/esquery.js b/module/node_modules/eslint/lib/linter/esquery.js new file mode 100644 index 000000000..31d302bc6 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/esquery.js @@ -0,0 +1,332 @@ +/** + * @fileoverview ESQuery wrapper for ESLint. + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const esquery = require("esquery"); + +//----------------------------------------------------------------------------- +// Typedefs +//----------------------------------------------------------------------------- + +/** + * @typedef {import("esquery").Selector} ESQuerySelector + * @typedef {import("esquery").ESQueryOptions} ESQueryOptions + */ + +//------------------------------------------------------------------------------ +// Classes +//------------------------------------------------------------------------------ + +/** + * The result of parsing and analyzing an ESQuery selector. + */ +class ESQueryParsedSelector { + /** + * The raw selector string that was parsed + * @type {string} + */ + source; + + /** + * Whether this selector is an exit selector + * @type {boolean} + */ + isExit; + + /** + * An object (from esquery) describing the matching behavior of the selector + * @type {ESQuerySelector} + */ + root; + + /** + * The node types that could possibly trigger this selector, or `null` if all node types could trigger it + * @type {string[]|null} + */ + nodeTypes; + + /** + * The number of class, pseudo-class, and attribute queries in this selector + * @type {number} + */ + attributeCount; + + /** + * The number of identifier queries in this selector + * @type {number} + */ + identifierCount; + + /** + * Creates a new parsed selector. + * @param {string} source The raw selector string that was parsed + * @param {boolean} isExit Whether this selector is an exit selector + * @param {ESQuerySelector} root An object (from esquery) describing the matching behavior of the selector + * @param {string[]|null} nodeTypes The node types that could possibly trigger this selector, or `null` if all node types could trigger it + * @param {number} attributeCount The number of class, pseudo-class, and attribute queries in this selector + * @param {number} identifierCount The number of identifier queries in this selector + */ + constructor( + source, + isExit, + root, + nodeTypes, + attributeCount, + identifierCount, + ) { + this.source = source; + this.isExit = isExit; + this.root = root; + this.nodeTypes = nodeTypes; + this.attributeCount = attributeCount; + this.identifierCount = identifierCount; + } + + /** + * Compares this selector's specificity to another selector for sorting purposes. + * @param {ESQueryParsedSelector} otherSelector The selector to compare against + * @returns {number} + * a value less than 0 if this selector is less specific than otherSelector + * a value greater than 0 if this selector is more specific than otherSelector + * a value less than 0 if this selector and otherSelector have the same specificity, and this selector <= otherSelector alphabetically + * a value greater than 0 if this selector and otherSelector have the same specificity, and this selector > otherSelector alphabetically + */ + compare(otherSelector) { + return ( + this.attributeCount - otherSelector.attributeCount || + this.identifierCount - otherSelector.identifierCount || + (this.source <= otherSelector.source ? -1 : 1) + ); + } +} + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const selectorCache = new Map(); + +/** + * Computes the union of one or more arrays + * @param {...any[]} arrays One or more arrays to union + * @returns {any[]} The union of the input arrays + */ +function union(...arrays) { + return [...new Set(arrays.flat())]; +} + +/** + * Computes the intersection of one or more arrays + * @param {...any[]} arrays One or more arrays to intersect + * @returns {any[]} The intersection of the input arrays + */ +function intersection(...arrays) { + if (arrays.length === 0) { + return []; + } + + let result = [...new Set(arrays[0])]; + + for (const array of arrays.slice(1)) { + result = result.filter(x => array.includes(x)); + } + return result; +} + +/** + * Analyzes a parsed selector and returns combined data about it + * @param {ESQuerySelector} parsedSelector An object (from esquery) describing the matching behavior of the selector + * @returns {{nodeTypes:string[]|null, attributeCount:number, identifierCount:number}} Object containing selector data. + */ +function analyzeParsedSelector(parsedSelector) { + let attributeCount = 0; + let identifierCount = 0; + + /** + * Analyzes a selector and returns the node types that could possibly trigger it. + * @param {ESQuerySelector} selector The selector to analyze. + * @returns {string[]|null} The node types that could possibly trigger this selector, or `null` if all node types could trigger it + */ + function analyzeSelector(selector) { + switch (selector.type) { + case "identifier": + identifierCount++; + return [selector.value]; + + case "not": + selector.selectors.map(analyzeSelector); + return null; + + case "matches": { + const typesForComponents = + selector.selectors.map(analyzeSelector); + + if (typesForComponents.every(Boolean)) { + return union(...typesForComponents); + } + return null; + } + + case "compound": { + const typesForComponents = selector.selectors + .map(analyzeSelector) + .filter(typesForComponent => typesForComponent); + + // If all of the components could match any type, then the compound could also match any type. + if (!typesForComponents.length) { + return null; + } + + /* + * If at least one of the components could only match a particular type, the compound could only match + * the intersection of those types. + */ + return intersection(...typesForComponents); + } + + case "attribute": + case "field": + case "nth-child": + case "nth-last-child": + attributeCount++; + return null; + + case "child": + case "descendant": + case "sibling": + case "adjacent": + analyzeSelector(selector.left); + return analyzeSelector(selector.right); + + case "class": + // TODO: abstract into JSLanguage somehow + if (selector.name === "function") { + return [ + "FunctionDeclaration", + "FunctionExpression", + "ArrowFunctionExpression", + ]; + } + return null; + + default: + return null; + } + } + + const nodeTypes = analyzeSelector(parsedSelector); + + return { + nodeTypes, + attributeCount, + identifierCount, + }; +} + +/** + * Tries to parse a simple selector string, such as a single identifier or wildcard. + * This saves time by avoiding the overhead of esquery parsing for simple cases. + * @param {string} selector The selector string to parse. + * @returns {Object|null} An object describing the selector if it is simple, or `null` if it is not. + */ +function trySimpleParseSelector(selector) { + if (selector === "*") { + return { + type: "wildcard", + value: "*", + }; + } + + if (/^[a-z]+$/iu.test(selector)) { + return { + type: "identifier", + value: selector, + }; + } + + return null; +} + +/** + * Parses a raw selector string, and throws a useful error if parsing fails. + * @param {string} selector The selector string to parse. + * @returns {Object} An object (from esquery) describing the matching behavior of this selector + * @throws {Error} An error if the selector is invalid + */ +function tryParseSelector(selector) { + try { + return esquery.parse(selector); + } catch (err) { + if ( + err.location && + err.location.start && + typeof err.location.start.offset === "number" + ) { + throw new SyntaxError( + `Syntax error in selector "${selector}" at position ${err.location.start.offset}: ${err.message}`, + { + cause: err, + }, + ); + } + throw err; + } +} + +/** + * Parses a raw selector string, and returns the parsed selector along with specificity and type information. + * @param {string} source A raw AST selector + * @returns {ESQueryParsedSelector} A selector descriptor + */ +function parse(source) { + if (selectorCache.has(source)) { + return selectorCache.get(source); + } + + const cleanSource = source.replace(/:exit$/u, ""); + const parsedSelector = + trySimpleParseSelector(cleanSource) ?? tryParseSelector(cleanSource); + const { nodeTypes, attributeCount, identifierCount } = + analyzeParsedSelector(parsedSelector); + + const result = new ESQueryParsedSelector( + source, + source.endsWith(":exit"), + parsedSelector, + nodeTypes, + attributeCount, + identifierCount, + ); + + selectorCache.set(source, result); + return result; +} + +/** + * Checks if a node matches a given selector. + * @param {Object} node The node to check against the selector. + * @param {ESQuerySelector} root The root of the selector to match against. + * @param {Object[]} ancestry The ancestry of the node being checked, which is an array of nodes from the current node to the root. + * @param {ESQueryOptions} options The options to use for matching. + * @returns {boolean} `true` if the node matches the selector, `false` otherwise. + */ +function matches(node, root, ancestry, options) { + return esquery.matches(node, root, ancestry, options); +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +module.exports = { + parse, + matches, + ESQueryParsedSelector, +}; diff --git a/module/node_modules/eslint/lib/linter/file-context.js b/module/node_modules/eslint/lib/linter/file-context.js new file mode 100644 index 000000000..40acdd63c --- /dev/null +++ b/module/node_modules/eslint/lib/linter/file-context.js @@ -0,0 +1,144 @@ +/** + * @fileoverview The FileContext class. + * @author Nicholas C. Zakas + */ + +"use strict"; + +/** + * Represents a file context that the linter can use to lint a file. + */ +class FileContext { + /** + * The current working directory. + * @type {string} + */ + cwd; + + /** + * The filename of the file being linted. + * @type {string} + */ + filename; + + /** + * The physical filename of the file being linted. + * @type {string} + */ + physicalFilename; + + /** + * The source code of the file being linted. + * @type {SourceCode} + */ + sourceCode; + + /** + * The parser options for the file being linted. + * @type {Record} + * @deprecated Use `languageOptions` instead. + */ + parserOptions; + + /** + * The path to the parser used to parse this file. + * @type {string} + * @deprecated No longer supported. + */ + parserPath; + + /** + * The language options used when parsing this file. + * @type {Record} + */ + languageOptions; + + /** + * The settings for the file being linted. + * @type {Record} + */ + settings; + + /** + * Creates a new instance. + * @param {Object} config The configuration object for the file context. + * @param {string} config.cwd The current working directory. + * @param {string} config.filename The filename of the file being linted. + * @param {string} config.physicalFilename The physical filename of the file being linted. + * @param {SourceCode} config.sourceCode The source code of the file being linted. + * @param {Record} config.parserOptions The parser options for the file being linted. + * @param {string} config.parserPath The path to the parser used to parse this file. + * @param {Record} config.languageOptions The language options used when parsing this file. + * @param {Record} config.settings The settings for the file being linted. + */ + constructor({ + cwd, + filename, + physicalFilename, + sourceCode, + parserOptions, + parserPath, + languageOptions, + settings, + }) { + this.cwd = cwd; + this.filename = filename; + this.physicalFilename = physicalFilename; + this.sourceCode = sourceCode; + this.parserOptions = parserOptions; + this.parserPath = parserPath; + this.languageOptions = languageOptions; + this.settings = settings; + + Object.freeze(this); + } + + /** + * Gets the current working directory. + * @returns {string} The current working directory. + * @deprecated Use `cwd` instead. + */ + getCwd() { + return this.cwd; + } + + /** + * Gets the filename of the file being linted. + * @returns {string} The filename of the file being linted. + * @deprecated Use `filename` instead. + */ + getFilename() { + return this.filename; + } + + /** + * Gets the physical filename of the file being linted. + * @returns {string} The physical filename of the file being linted. + * @deprecated Use `physicalFilename` instead. + */ + getPhysicalFilename() { + return this.physicalFilename; + } + + /** + * Gets the source code of the file being linted. + * @returns {SourceCode} The source code of the file being linted. + * @deprecated Use `sourceCode` instead. + */ + getSourceCode() { + return this.sourceCode; + } + + /** + * Creates a new object with the current object as the prototype and + * the specified properties as its own properties. + * @param {Object} extension The properties to add to the new object. + * @returns {FileContext} A new object with the current object as the prototype + * and the specified properties as its own properties. + */ + extend(extension) { + return Object.freeze(Object.assign(Object.create(this), extension)); + } +} + +exports.FileContext = FileContext; diff --git a/module/node_modules/eslint/lib/linter/file-report.js b/module/node_modules/eslint/lib/linter/file-report.js new file mode 100644 index 000000000..29cea0a5d --- /dev/null +++ b/module/node_modules/eslint/lib/linter/file-report.js @@ -0,0 +1,608 @@ +/** + * @fileoverview A class to track messages reported by the linter for a file. + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const assert = require("../shared/assert"); +const { RuleFixer } = require("./rule-fixer"); +const { interpolate } = require("./interpolate"); +const ruleReplacements = require("../../conf/replacements.json"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** @typedef {import("../types").Linter.LintMessage} LintMessage */ +/** @typedef {import("../types").Linter.LintSuggestion} SuggestionResult */ +/** @typedef {import("@eslint/core").Language} Language */ +/** @typedef {import("@eslint/core").SourceLocation} SourceLocation */ + +/** + * An error message description + * @typedef {Object} MessageDescriptor + * @property {ASTNode} [node] The reported node + * @property {Location} loc The location of the problem. + * @property {string} message The problem message. + * @property {Object} [data] Optional data to use to fill in placeholders in the + * message. + * @property {Function} [fix] The function to call that creates a fix command. + * @property {Array<{desc?: string, messageId?: string, fix: Function}>} suggest Suggestion descriptions and functions to create a the associated fixes. + */ + +/** + * @typedef {Object} LintProblem + * @property {string} ruleId The rule ID that reported the problem. + * @property {string} message The problem message. + * @property {SourceLocation} loc The location of the problem. + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const DEFAULT_ERROR_LOC = { + start: { line: 1, column: 0 }, + end: { line: 1, column: 1 }, +}; + +/** + * Updates a given location based on the language offsets. This allows us to + * change 0-based locations to 1-based locations. We always want ESLint + * reporting lines and columns starting from 1. + * @todo Potentially this should be moved into a shared utility file. + * @param {Object} location The location to update. + * @param {number} location.line The starting line number. + * @param {number} location.column The starting column number. + * @param {number} [location.endLine] The ending line number. + * @param {number} [location.endColumn] The ending column number. + * @param {Language} language The language to use to adjust the location information. + * @returns {Object} The updated location. + */ +function updateLocationInformation( + { line, column, endLine, endColumn }, + language, +) { + const columnOffset = language.columnStart === 1 ? 0 : 1; + const lineOffset = language.lineStart === 1 ? 0 : 1; + + // calculate separately to account for undefined + const finalEndLine = endLine === void 0 ? endLine : endLine + lineOffset; + const finalEndColumn = + endColumn === void 0 ? endColumn : endColumn + columnOffset; + + return { + line: line + lineOffset, + column: column + columnOffset, + endLine: finalEndLine, + endColumn: finalEndColumn, + }; +} + +/** + * creates a missing-rule message. + * @param {string} ruleId the ruleId to create + * @returns {string} created error message + * @private + */ +function createMissingRuleMessage(ruleId) { + return Object.hasOwn(ruleReplacements.rules, ruleId) + ? `Rule '${ruleId}' was removed and replaced by: ${ruleReplacements.rules[ruleId].join(", ")}` + : `Definition for rule '${ruleId}' was not found.`; +} + +/** + * creates a linting problem + * @param {LintProblem} options to create linting error + * @param {RuleSeverity} severity the error message to report + * @param {Language} language the language to use to adjust the location information. + * @returns {LintMessage} created problem, returns a missing-rule problem if only provided ruleId. + * @private + */ +function createLintingProblem(options, severity, language) { + const { + ruleId = null, + loc = DEFAULT_ERROR_LOC, + message = createMissingRuleMessage(options.ruleId), + } = options; + + return { + ruleId, + message, + ...updateLocationInformation( + { + line: loc.start.line, + column: loc.start.column, + endLine: loc.end.line, + endColumn: loc.end.column, + }, + language, + ), + severity, + nodeType: null, + }; +} + +/** + * Translates a multi-argument context.report() call into a single object argument call + * @param {...*} args A list of arguments passed to `context.report` + * @returns {MessageDescriptor} A normalized object containing report information + */ +function normalizeMultiArgReportCall(...args) { + // If there is one argument, it is considered to be a new-style call already. + if (args.length === 1) { + // Shallow clone the object to avoid surprises if reusing the descriptor + return Object.assign({}, args[0]); + } + + // If the second argument is a string, the arguments are interpreted as [node, message, data, fix]. + if (typeof args[1] === "string") { + return { + node: args[0], + message: args[1], + data: args[2], + fix: args[3], + }; + } + + // Otherwise, the arguments are interpreted as [node, loc, message, data, fix]. + return { + node: args[0], + loc: args[1], + message: args[2], + data: args[3], + fix: args[4], + }; +} + +/** + * Asserts that either a loc or a node was provided, and the node is valid if it was provided. + * @param {MessageDescriptor} descriptor A descriptor to validate + * @returns {void} + * @throws AssertionError if neither a node nor a loc was provided, or if the node is not an object + */ +function assertValidNodeInfo(descriptor) { + if (descriptor.node) { + assert(typeof descriptor.node === "object", "Node must be an object"); + } else { + assert( + descriptor.loc, + "Node must be provided when reporting error if location is not provided", + ); + } +} + +/** + * Normalizes a MessageDescriptor to always have a `loc` with `start` and `end` properties + * @param {MessageDescriptor} descriptor A descriptor for the report from a rule. + * @returns {{start: Location, end: (Location|null)}} An updated location that infers the `start` and `end` properties + * from the `node` of the original descriptor, or infers the `start` from the `loc` of the original descriptor. + */ +function normalizeReportLoc(descriptor) { + if (descriptor.loc.start) { + return descriptor.loc; + } + return { start: descriptor.loc, end: null }; +} + +/** + * Clones the given fix object. + * @param {Fix|null} fix The fix to clone. + * @returns {Fix|null} Deep cloned fix object or `null` if `null` or `undefined` was passed in. + */ +function cloneFix(fix) { + if (!fix) { + return null; + } + + return { + range: [fix.range[0], fix.range[1]], + text: fix.text, + }; +} + +/** + * Check that a fix has a valid range. + * @param {Fix|null} fix The fix to validate. + * @returns {void} + */ +function assertValidFix(fix) { + if (fix) { + assert( + fix.range && + typeof fix.range[0] === "number" && + typeof fix.range[1] === "number", + `Fix has invalid range: ${JSON.stringify(fix, null, 2)}`, + ); + } +} + +/** + * Compares items in a fixes array by range. + * @param {Fix} a The first message. + * @param {Fix} b The second message. + * @returns {number} -1 if a comes before b, 1 if a comes after b, 0 if equal. + * @private + */ +function compareFixesByRange(a, b) { + return a.range[0] - b.range[0] || a.range[1] - b.range[1]; +} + +/** + * Merges the given fixes array into one. + * @param {Fix[]} fixes The fixes to merge. + * @param {SourceCode} sourceCode The source code object to get the text between fixes. + * @returns {{text: string, range: number[]}} The merged fixes + */ +function mergeFixes(fixes, sourceCode) { + for (const fix of fixes) { + assertValidFix(fix); + } + + if (fixes.length === 0) { + return null; + } + if (fixes.length === 1) { + return cloneFix(fixes[0]); + } + + fixes.sort(compareFixesByRange); + + const originalText = sourceCode.text; + const start = fixes[0].range[0]; + const end = fixes.at(-1).range[1]; + let text = ""; + let lastPos = Number.MIN_SAFE_INTEGER; + + for (const fix of fixes) { + assert( + fix.range[0] >= lastPos, + "Fix objects must not be overlapped in a report.", + ); + + if (fix.range[0] >= 0) { + text += originalText.slice( + Math.max(0, start, lastPos), + fix.range[0], + ); + } + text += fix.text; + lastPos = fix.range[1]; + } + text += originalText.slice(Math.max(0, start, lastPos), end); + + return { range: [start, end], text }; +} + +/** + * Gets one fix object from the given descriptor. + * If the descriptor retrieves multiple fixes, this merges those to one. + * @param {MessageDescriptor} descriptor The report descriptor. + * @param {SourceCode} sourceCode The source code object to get text between fixes. + * @returns {({text: string, range: number[]}|null)} The fix for the descriptor + */ +function normalizeFixes(descriptor, sourceCode) { + if (typeof descriptor.fix !== "function") { + return null; + } + + const ruleFixer = new RuleFixer({ sourceCode }); + + // @type {null | Fix | Fix[] | IterableIterator} + const fix = descriptor.fix(ruleFixer); + + // Merge to one. + if (fix && Symbol.iterator in fix) { + return mergeFixes(Array.from(fix), sourceCode); + } + + assertValidFix(fix); + return cloneFix(fix); +} + +/** + * Gets an array of suggestion objects from the given descriptor. + * @param {MessageDescriptor} descriptor The report descriptor. + * @param {SourceCode} sourceCode The source code object to get text between fixes. + * @param {Object} messages Object of meta messages for the rule. + * @returns {Array} The suggestions for the descriptor + */ +function mapSuggestions(descriptor, sourceCode, messages) { + if (!descriptor.suggest || !Array.isArray(descriptor.suggest)) { + return []; + } + + return ( + descriptor.suggest + .map(suggestInfo => { + const computedDesc = + suggestInfo.desc || messages[suggestInfo.messageId]; + + return { + ...suggestInfo, + desc: interpolate(computedDesc, suggestInfo.data), + fix: normalizeFixes(suggestInfo, sourceCode), + }; + }) + + // Remove suggestions that didn't provide a fix + .filter(({ fix }) => fix) + ); +} + +/** + * Creates information about the report from a descriptor + * @param {Object} options Information about the problem + * @param {string} options.ruleId Rule ID + * @param {(0|1|2)} options.severity Rule severity + * @param {(ASTNode|null)} options.node Node + * @param {string} options.message Error message + * @param {string} [options.messageId] The error message ID. + * @param {{start: SourceLocation, end: (SourceLocation|null)}} options.loc Start and end location + * @param {{text: string, range: (number[]|null)}} options.fix The fix object + * @param {Array<{text: string, range: (number[]|null)}>} options.suggestions The array of suggestions objects + * @param {Language} [options.language] The language to use to adjust line and column offsets. + * @returns {LintMessage} Information about the report + */ +function createProblem(options) { + const { language } = options; + + // calculate offsets based on the language in use + const columnOffset = language.columnStart === 1 ? 0 : 1; + const lineOffset = language.lineStart === 1 ? 0 : 1; + + const problem = { + ruleId: options.ruleId, + severity: options.severity, + message: options.message, + line: options.loc.start.line + lineOffset, + column: options.loc.start.column + columnOffset, + nodeType: (options.node && options.node.type) || null, + }; + + /* + * If this isn’t in the conditional, some of the tests fail + * because `messageId` is present in the problem object + */ + if (options.messageId) { + problem.messageId = options.messageId; + } + + if (options.loc.end) { + problem.endLine = options.loc.end.line + lineOffset; + problem.endColumn = options.loc.end.column + columnOffset; + } + + if (options.fix) { + problem.fix = options.fix; + } + + if (options.suggestions && options.suggestions.length > 0) { + problem.suggestions = options.suggestions; + } + + return problem; +} + +/** + * Validates that suggestions are properly defined. Throws if an error is detected. + * @param {Array<{ desc?: string, messageId?: string }>} suggest The incoming suggest data. + * @param {Object} messages Object of meta messages for the rule. + * @returns {void} + */ +function validateSuggestions(suggest, messages) { + if (suggest && Array.isArray(suggest)) { + suggest.forEach(suggestion => { + if (suggestion.messageId) { + const { messageId } = suggestion; + + if (!messages) { + throw new TypeError( + `context.report() called with a suggest option with a messageId '${messageId}', but no messages were present in the rule metadata.`, + ); + } + + if (!messages[messageId]) { + throw new TypeError( + `context.report() called with a suggest option with a messageId '${messageId}' which is not present in the 'messages' config: ${JSON.stringify(messages, null, 2)}`, + ); + } + + if (suggestion.desc) { + throw new TypeError( + "context.report() called with a suggest option that defines both a 'messageId' and an 'desc'. Please only pass one.", + ); + } + } else if (!suggestion.desc) { + throw new TypeError( + "context.report() called with a suggest option that doesn't have either a `desc` or `messageId`", + ); + } + + if (typeof suggestion.fix !== "function") { + throw new TypeError( + `context.report() called with a suggest option without a fix function. See: ${JSON.stringify(suggestion, null, 2)}`, + ); + } + }); + } +} + +/** + * Computes the message from a report descriptor. + * @param {MessageDescriptor} descriptor The report descriptor. + * @param {Object} messages Object of meta messages for the rule. + * @returns {string} The computed message. + * @throws {TypeError} If messageId is not found or both message and messageId are provided. + */ +function computeMessageFromDescriptor(descriptor, messages) { + if (descriptor.messageId) { + if (!messages) { + throw new TypeError( + "context.report() called with a messageId, but no messages were present in the rule metadata.", + ); + } + const id = descriptor.messageId; + + if (descriptor.message) { + throw new TypeError( + "context.report() called with a message and a messageId. Please only pass one.", + ); + } + if (!messages || !Object.hasOwn(messages, id)) { + throw new TypeError( + `context.report() called with a messageId of '${id}' which is not present in the 'messages' config: ${JSON.stringify(messages, null, 2)}`, + ); + } + return messages[id]; + } + + if (descriptor.message) { + return descriptor.message; + } + + throw new TypeError( + "Missing `message` property in report() call; add a message that describes the linting problem.", + ); +} + +/** + * A report object that contains the messages reported the linter + * for a file. + */ +class FileReport { + /** + * The messages reported by the linter for this file. + * @type {LintMessage[]} + */ + messages = []; + + /** + * A rule mapper that maps rule IDs to their metadata. + * @type {(string) => RuleDefinition} + */ + #ruleMapper; + + /** + * The source code object for the file. + * @type {SourceCode} + */ + #sourceCode; + + /** + * The language to use to adjust line and column offsets. + * @type {Language} + */ + #language; + + /** + * Whether to disable fixes for this report. + * @type {boolean} + */ + #disableFixes; + + /** + * Creates a new FileReport instance. + * @param {Object} options The options for the file report + * @param {(string) => RuleDefinition} options.ruleMapper A rule mapper that maps rule IDs to their metadata. + * @param {SourceCode} options.sourceCode The source code object for the file. + * @param {Language} options.language The language to use to adjust line and column offsets. + * @param {boolean} [options.disableFixes=false] Whether to disable fixes for this report. + */ + constructor({ ruleMapper, sourceCode, language, disableFixes = false }) { + this.#ruleMapper = ruleMapper; + this.#sourceCode = sourceCode; + this.#language = language; + this.#disableFixes = disableFixes; + } + + /** + * Adds a rule-generated message to the report. + * @param {string} ruleId The rule ID that reported the problem. + * @param {0|1|2} severity The severity of the problem (0 = off, 1 = warning, 2 = error). + * @param {...*} args The arguments passed to `context.report()`. + * @returns {LintMessage} The created message object. + * @throws {TypeError} If the messageId is not found or both message and messageId are provided. + * @throws {AssertionError} If the node is not an object or neither a node nor a loc is provided. + */ + addRuleMessage(ruleId, severity, ...args) { + const descriptor = normalizeMultiArgReportCall(...args); + const ruleDefinition = this.#ruleMapper(ruleId); + const messages = ruleDefinition?.meta?.messages; + + assertValidNodeInfo(descriptor); + + const computedMessage = computeMessageFromDescriptor( + descriptor, + messages, + ); + + validateSuggestions(descriptor.suggest, messages); + + this.messages.push( + createProblem({ + ruleId, + severity, + node: descriptor.node, + message: interpolate(computedMessage, descriptor.data), + messageId: descriptor.messageId, + loc: descriptor.loc + ? normalizeReportLoc(descriptor) + : this.#sourceCode.getLoc(descriptor.node), + fix: this.#disableFixes + ? null + : normalizeFixes(descriptor, this.#sourceCode), + suggestions: this.#disableFixes + ? [] + : mapSuggestions(descriptor, this.#sourceCode, messages), + language: this.#language, + }), + ); + + return this.messages.at(-1); + } + + /** + * Adds an error message to the report. Meant to be called outside of rules. + * @param {LintProblem} descriptor The descriptor for the error message. + * @returns {LintMessage} The created message object. + */ + addError(descriptor) { + const message = createLintingProblem(descriptor, 2, this.#language); + this.messages.push(message); + return message; + } + + /** + * Adds a fatal error message to the report. Meant to be called outside of rules. + * @param {LintProblem} descriptor The descriptor for the fatal error message. + * @returns {LintMessage} The created message object. + */ + addFatal(descriptor) { + const message = createLintingProblem(descriptor, 2, this.#language); + message.fatal = true; + this.messages.push(message); + return message; + } + + /** + * Adds a warning message to the report. Meant to be called outside of rules. + * @param {LintProblem} descriptor The descriptor for the warning message. + * @returns {LintMessage} The created message object. + */ + addWarning(descriptor) { + const message = createLintingProblem(descriptor, 1, this.#language); + this.messages.push(message); + return message; + } +} + +module.exports = { + FileReport, + updateLocationInformation, +}; diff --git a/module/node_modules/eslint/lib/linter/index.js b/module/node_modules/eslint/lib/linter/index.js new file mode 100644 index 000000000..5a86f71cd --- /dev/null +++ b/module/node_modules/eslint/lib/linter/index.js @@ -0,0 +1,11 @@ +"use strict"; + +const { Linter } = require("./linter"); +const SourceCodeFixer = require("./source-code-fixer"); + +module.exports = { + Linter, + + // For testers. + SourceCodeFixer, +}; diff --git a/module/node_modules/eslint/lib/linter/interpolate.js b/module/node_modules/eslint/lib/linter/interpolate.js new file mode 100644 index 000000000..6327f76e7 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/interpolate.js @@ -0,0 +1,50 @@ +/** + * @fileoverview Interpolate keys from an object into a string with {{ }} markers. + * @author Jed Fox + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Returns a global expression matching placeholders in messages. + * @returns {RegExp} Global regular expression matching placeholders + */ +function getPlaceholderMatcher() { + return /\{\{([^{}]+)\}\}/gu; +} + +/** + * Replaces {{ placeholders }} in the message with the provided data. + * Does not replace placeholders not available in the data. + * @param {string} text Original message with potential placeholders + * @param {Record} data Map of placeholder name to its value + * @returns {string} Message with replaced placeholders + */ +function interpolate(text, data) { + if (!data) { + return text; + } + + const matcher = getPlaceholderMatcher(); + + // Substitution content for any {{ }} markers. + return text.replace(matcher, (fullMatch, termWithWhitespace) => { + const term = termWithWhitespace.trim(); + + if (term in data) { + return data[term]; + } + + // Preserve old behavior: If parameter name not provided, don't replace it. + return fullMatch; + }); +} + +module.exports = { + getPlaceholderMatcher, + interpolate, +}; diff --git a/module/node_modules/eslint/lib/linter/linter.js b/module/node_modules/eslint/lib/linter/linter.js new file mode 100644 index 000000000..59d8fab59 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/linter.js @@ -0,0 +1,2676 @@ +/** + * @fileoverview Main Linter Class + * @author Gyandeep Singh + * @author aladdin-add + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const path = require("node:path"), + eslintScope = require("eslint-scope"), + evk = require("eslint-visitor-keys"), + espree = require("espree"), + merge = require("lodash.merge"), + pkg = require("../../package.json"), + { + Legacy: { + ConfigOps, + ConfigValidator, + environments: BuiltInEnvironments, + }, + } = require("@eslint/eslintrc/universal"), + Traverser = require("../shared/traverser"), + { SourceCode } = require("../languages/js/source-code"), + applyDisableDirectives = require("./apply-disable-directives"), + { ConfigCommentParser } = require("@eslint/plugin-kit"), + Rules = require("./rules"), + SourceCodeFixer = require("./source-code-fixer"), + { SourceCodeVisitor } = require("./source-code-visitor"), + timing = require("./timing"); +const { FlatConfigArray } = require("../config/flat-config-array"); +const { startTime, endTime } = require("../shared/stats"); +const { assertIsRuleSeverity } = require("../config/flat-config-schema"); +const { + normalizeSeverityToString, + normalizeSeverityToNumber, +} = require("../shared/severity"); +const { deepMergeArrays } = require("../shared/deep-merge-arrays"); +const jslang = require("../languages/js"); +const { + activeFlags, + inactiveFlags, + getInactivityReasonMessage, +} = require("../shared/flags"); +const debug = require("debug")("eslint:linter"); +const MAX_AUTOFIX_PASSES = 10; +const DEFAULT_PARSER_NAME = "espree"; +const DEFAULT_ECMA_VERSION = 5; +const commentParser = new ConfigCommentParser(); +const parserSymbol = Symbol.for("eslint.RuleTester.parser"); +const { LATEST_ECMA_VERSION } = require("../../conf/ecma-version"); +const { VFile } = require("./vfile"); +const { ParserService } = require("../services/parser-service"); +const { FileContext } = require("./file-context"); +const { ProcessorService } = require("../services/processor-service"); +const { containsDifferentProperty } = require("../shared/option-utils"); +const { Config } = require("../config/config"); +const { WarningService } = require("../services/warning-service"); +const { SourceCodeTraverser } = require("./source-code-traverser"); +const { FileReport, updateLocationInformation } = require("./file-report"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** @import { Language, LanguageOptions, RuleConfig, RuleDefinition, RuleSeverity } from "@eslint/core" */ + +/** @typedef {import("../types").Linter.Config} Config */ +/** @typedef {import("../types").ESLint.ConfigData} ConfigData */ +/** @typedef {import("../types").ESLint.Environment} Environment */ +/** @typedef {import("../types").Linter.GlobalConf} GlobalConf */ +/** @typedef {import("../types").Linter.LanguageOptions} JSLanguageOptions */ +/** @typedef {import("../types").Linter.LintMessage} LintMessage */ +/** @typedef {import("../types").Linter.Parser} Parser */ +/** @typedef {import("../types").Linter.ParserOptions} ParserOptions */ +/** @typedef {import("../types").Linter.Processor} Processor */ +/** @typedef {import("../types").Rule.RuleModule} Rule */ +/** @typedef {import("../types").Linter.StringSeverity} StringSeverity */ +/** @typedef {import("../types").Linter.SuppressedLintMessage} SuppressedLintMessage */ +/** @typedef {import("../types").Linter.TimePass} TimePass */ + +/* eslint-disable jsdoc/valid-types -- https://github.com/jsdoc-type-pratt-parser/jsdoc-type-pratt-parser/issues/4#issuecomment-778805577 */ +/** + * @template T + * @typedef {{ [P in keyof T]-?: T[P] }} Required + */ +/* eslint-enable jsdoc/valid-types -- https://github.com/jsdoc-type-pratt-parser/jsdoc-type-pratt-parser/issues/4#issuecomment-778805577 */ + +/** + * @typedef {Object} DisableDirective + * @property {("disable"|"enable"|"disable-line"|"disable-next-line")} type Type of directive + * @property {number} line The line number + * @property {number} column The column number + * @property {(string|null)} ruleId The rule ID + * @property {string} justification The justification of directive + */ + +/** + * The private data for `Linter` instance. + * @typedef {Object} LinterInternalSlots + * @property {ConfigArray|null} lastConfigArray The `ConfigArray` instance that the last `verify()` call used. + * @property {SourceCode|null} lastSourceCode The `SourceCode` instance that the last `verify()` call used. + * @property {SuppressedLintMessage[]} lastSuppressedMessages The `SuppressedLintMessage[]` instance that the last `verify()` call produced. + * @property {Map} parserMap The loaded parsers. + * @property {{ passes: TimePass[]; }} times The times spent on applying a rule to a file (see `stats` option). + * @property {Rules} ruleMap The loaded rules. + * @property {WarningService} warningService The warning service. + */ + +/** + * @typedef {Object} VerifyOptions + * @property {boolean} [allowInlineConfig] Allow/disallow inline comments' ability + * to change config once it is set. Defaults to true if not supplied. + * Useful if you want to validate JS without comments overriding rules. + * @property {boolean} [disableFixes] if `true` then the linter doesn't make `fix` + * properties into the lint result. + * @property {string} [filename] the filename of the source code. + * @property {boolean | "off" | "warn" | "error"} [reportUnusedDisableDirectives] Adds reported errors for + * unused `eslint-disable` directives. + * @property {Function} [ruleFilter] A predicate function that determines whether a given rule should run. + */ + +/** + * @typedef {Object} ProcessorOptions + * @property {(filename:string, text:string) => boolean} [filterCodeBlock] the + * predicate function that selects adopt code blocks. + * @property {Processor.postprocess} [postprocess] postprocessor for report + * messages. If provided, this should accept an array of the message lists + * for each code block returned from the preprocessor, apply a mapping to + * the messages as appropriate, and return a one-dimensional array of + * messages. + * @property {Processor.preprocess} [preprocess] preprocessor for source text. + * If provided, this should accept a string of source text, and return an + * array of code blocks to lint. + */ + +/** + * @typedef {Object} FixOptions + * @property {boolean | ((message: LintMessage) => boolean)} [fix] Determines + * whether fixes should be applied. + */ + +/** + * @typedef {Object} InternalOptions + * @property {string | null} warnInlineConfig The config name what `noInlineConfig` setting came from. If `noInlineConfig` setting didn't exist, this is null. If this is a config name, then the linter warns directive comments. + * @property {StringSeverity} reportUnusedDisableDirectives Severity to report unused disable directives, if not "off" (boolean values were normalized). + * @property {StringSeverity} reportUnusedInlineConfigs Severity to report unused inline configs, if not "off". + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines if a given object is Espree. + * @param {Object} parser The parser to check. + * @returns {boolean} True if the parser is Espree or false if not. + */ +function isEspree(parser) { + return !!(parser === espree || parser[parserSymbol] === espree); +} + +/** + * Ensures that variables representing built-in properties of the Global Object, + * and any globals declared by special block comments, are present in the global + * scope. + * @param {Scope} globalScope The global scope. + * @param {Object} configGlobals The globals declared in configuration + * @param {{exportedVariables: Object, enabledGlobals: Object}} commentDirectives Directives from comment configuration + * @returns {void} + */ +function addDeclaredGlobals( + globalScope, + configGlobals, + { exportedVariables, enabledGlobals }, +) { + // Define configured global variables. + for (const id of new Set([ + ...Object.keys(configGlobals), + ...Object.keys(enabledGlobals), + ])) { + /* + * `ConfigOps.normalizeConfigGlobal` will throw an error if a configured global value is invalid. However, these errors would + * typically be caught when validating a config anyway (validity for inline global comments is checked separately). + */ + const configValue = + configGlobals[id] === void 0 + ? void 0 + : ConfigOps.normalizeConfigGlobal(configGlobals[id]); + const commentValue = enabledGlobals[id] && enabledGlobals[id].value; + const value = commentValue || configValue; + const sourceComments = + enabledGlobals[id] && enabledGlobals[id].comments; + + if (value === "off") { + continue; + } + + let variable = globalScope.set.get(id); + + if (!variable) { + variable = new eslintScope.Variable(id, globalScope); + + globalScope.variables.push(variable); + globalScope.set.set(id, variable); + } + + variable.eslintImplicitGlobalSetting = configValue; + variable.eslintExplicitGlobal = sourceComments !== void 0; + variable.eslintExplicitGlobalComments = sourceComments; + variable.writeable = value === "writable"; + } + + // mark all exported variables as such + Object.keys(exportedVariables).forEach(name => { + const variable = globalScope.set.get(name); + + if (variable) { + variable.eslintUsed = true; + variable.eslintExported = true; + } + }); + + /* + * "through" contains all references which definitions cannot be found. + * Since we augment the global scope using configuration, we need to update + * references and remove the ones that were added by configuration. + */ + globalScope.through = globalScope.through.filter(reference => { + const name = reference.identifier.name; + const variable = globalScope.set.get(name); + + if (variable) { + /* + * Links the variable and the reference. + * And this reference is removed from `Scope#through`. + */ + reference.resolved = variable; + variable.references.push(reference); + + return false; + } + + return true; + }); +} + +/** + * Wraps the value in an Array if it isn't already one. + * @template T + * @param {T|T[]} value Value to be wrapped. + * @returns {Array} The value as an array. + */ +function asArray(value) { + return Array.isArray(value) ? value : [value]; +} + +/** + * Pushes a problem to inlineConfigProblems if ruleOptions are redundant. + * @param {Config} config Provided config. + * @param {Object} loc A line/column location + * @param {FileReport} report Report that may be added to. + * @param {string} ruleId The rule ID. + * @param {Array} ruleOptions The rule options, merged with the config's. + * @param {Array} ruleOptionsInline The rule options from the comment. + * @param {"error"|"warn"} severity The severity to report. + * @returns {void} + */ +function addProblemIfSameSeverityAndOptions( + config, + loc, + report, + ruleId, + ruleOptions, + ruleOptionsInline, + severity, +) { + const existingConfigRaw = config.rules?.[ruleId]; + const existingConfig = existingConfigRaw + ? asArray(existingConfigRaw) + : ["off"]; + const existingSeverity = normalizeSeverityToString(existingConfig[0]); + const inlineSeverity = normalizeSeverityToString(ruleOptions[0]); + const sameSeverity = existingSeverity === inlineSeverity; + + if (!sameSeverity) { + return; + } + + const alreadyConfigured = existingConfigRaw + ? `is already configured to '${existingSeverity}'` + : "is not enabled so can't be turned off"; + let message; + + if ( + (existingConfig.length === 1 && ruleOptions.length === 1) || + existingSeverity === "off" + ) { + message = `Unused inline config ('${ruleId}' ${alreadyConfigured}).`; + } else if ( + !containsDifferentProperty( + ruleOptions.slice(1), + existingConfig.slice(1), + ) + ) { + message = + ruleOptionsInline.length === 1 + ? `Unused inline config ('${ruleId}' ${alreadyConfigured}).` + : `Unused inline config ('${ruleId}' ${alreadyConfigured} with the same options).`; + } + + if (message) { + const numericSeverity = normalizeSeverityToNumber(severity); + const descriptor = { + message, + loc, + }; + + if (numericSeverity === 1) { + report.addWarning(descriptor); + } else if (numericSeverity === 2) { + report.addError(descriptor); + } + } +} + +/** + * Creates a collection of disable directives from a comment + * @param {Object} options to create disable directives + * @param {("disable"|"enable"|"disable-line"|"disable-next-line")} options.type The type of directive comment + * @param {string} options.value The value after the directive in the comment + * comment specified no specific rules, so it applies to all rules (e.g. `eslint-disable`) + * @param {string} options.justification The justification of the directive + * @param {ASTNode|token} options.node The Comment node/token. + * @param {function(string): {create: Function}} ruleMapper A map from rule IDs to defined rules + * @param {Language} language The language to use to adjust the location information. + * @param {SourceCode} sourceCode The SourceCode object to get comments from. + * @param {FileReport} report The report to add problems to. + * @returns {Object[]} Directives from the comment + */ +function createDisableDirectives( + { type, value, justification, node }, + ruleMapper, + language, + sourceCode, + report, +) { + const ruleIds = Object.keys(commentParser.parseListConfig(value)); + const directiveRules = ruleIds.length ? ruleIds : [null]; + const directives = []; // valid disable directives + const parentDirective = { node, value, ruleIds }; + + for (const ruleId of directiveRules) { + const loc = sourceCode.getLoc(node); + + // push to directives, if the rule is defined(including null, e.g. /*eslint enable*/) + if (ruleId === null || !!ruleMapper(ruleId)) { + if (type === "disable-next-line") { + const { line, column } = updateLocationInformation( + loc.end, + language, + ); + + directives.push({ + parentDirective, + type, + line, + column, + ruleId, + justification, + }); + } else { + const { line, column } = updateLocationInformation( + loc.start, + language, + ); + + directives.push({ + parentDirective, + type, + line, + column, + ruleId, + justification, + }); + } + } else { + report.addError({ ruleId, loc }); + } + } + + return directives; +} + +/** + * Parses comments in file to extract file-specific config of rules, globals + * and environments and merges them with global config; also code blocks + * where reporting is disabled or enabled and merges them with reporting config. + * @param {SourceCode} sourceCode The SourceCode object to get comments from. + * @param {function(string): {create: Function}} ruleMapper A map from rule IDs to defined rules + * @param {string|null} warnInlineConfig If a string then it should warn directive comments as disabled. The string value is the config name what the setting came from. + * @param {ConfigData} config Provided config. + * @param {FileReport} report The report to add problems to. + * @returns {{configuredRules: Object, enabledGlobals: {value:string,comment:Token}[], exportedVariables: Object, disableDirectives: DisableDirective[]}} + * A collection of the directive comments that were found, along with any problems that occurred when parsing + */ +function getDirectiveComments( + sourceCode, + ruleMapper, + warnInlineConfig, + config, + report, +) { + const configuredRules = {}; + const enabledGlobals = Object.create(null); + const exportedVariables = {}; + const disableDirectives = []; + const validator = new ConfigValidator({ + builtInRules: Rules, + }); + + sourceCode + .getInlineConfigNodes() + .filter(token => token.type !== "Shebang") + .forEach(comment => { + const directive = commentParser.parseDirective(comment.value); + + if (!directive) { + return; + } + + const { + label, + value, + justification: justificationPart, + } = directive; + + const lineCommentSupported = + /^eslint-disable-(?:next-)?line$/u.test(label); + + if (comment.type === "Line" && !lineCommentSupported) { + return; + } + + const loc = sourceCode.getLoc(comment); + + if (warnInlineConfig) { + const kind = + comment.type === "Block" ? `/*${label}*/` : `//${label}`; + + report.addWarning({ + ruleId: null, + message: `'${kind}' has no effect because you have 'noInlineConfig' setting in ${warnInlineConfig}.`, + loc, + }); + return; + } + + if ( + label === "eslint-disable-line" && + loc.start.line !== loc.end.line + ) { + const message = `${label} comment should not span multiple lines.`; + + report.addError({ + message, + loc, + }); + return; + } + + switch (label) { + case "eslint-disable": + case "eslint-enable": + case "eslint-disable-next-line": + case "eslint-disable-line": { + const directiveType = label.slice("eslint-".length); + const directives = createDisableDirectives( + { + type: directiveType, + value, + justification: justificationPart, + node: comment, + }, + ruleMapper, + jslang, + sourceCode, + report, + ); + + disableDirectives.push(...directives); + break; + } + + case "exported": + Object.assign( + exportedVariables, + commentParser.parseListConfig(value), + ); + break; + + case "globals": + case "global": + for (const [id, idSetting] of Object.entries( + commentParser.parseStringConfig(value), + )) { + let normalizedValue; + + try { + normalizedValue = + ConfigOps.normalizeConfigGlobal(idSetting); + } catch (err) { + report.addError({ + loc, + message: err.message, + }); + continue; + } + + if (enabledGlobals[id]) { + enabledGlobals[id].comments.push(comment); + enabledGlobals[id].value = normalizedValue; + } else { + enabledGlobals[id] = { + comments: [comment], + value: normalizedValue, + }; + } + } + break; + + case "eslint": { + const parseResult = + commentParser.parseJSONLikeConfig(value); + + if (parseResult.ok) { + Object.keys(parseResult.config).forEach(name => { + const rule = ruleMapper(name); + const ruleValue = parseResult.config[name]; + + if (!rule) { + report.addError({ ruleId: name, loc }); + return; + } + + if (Object.hasOwn(configuredRules, name)) { + report.addError({ + message: `Rule "${name}" is already configured by another configuration comment in the preceding code. This configuration is ignored.`, + loc, + }); + return; + } + + let ruleOptions = asArray(ruleValue); + + /* + * If the rule was already configured, inline rule configuration that + * only has severity should retain options from the config and just override the severity. + * + * Example: + * + * { + * rules: { + * curly: ["error", "multi"] + * } + * } + * + * /* eslint curly: ["warn"] * / + * + * Results in: + * + * curly: ["warn", "multi"] + */ + if ( + /* + * If inline config for the rule has only severity + */ + ruleOptions.length === 1 && + /* + * And the rule was already configured + */ + config.rules && + Object.hasOwn(config.rules, name) + ) { + /* + * Then use severity from the inline config and options from the provided config + */ + ruleOptions = [ + ruleOptions[0], // severity from the inline config + ...asArray(config.rules[name]).slice(1), // options from the provided config + ]; + } + + try { + validator.validateRuleOptions( + rule, + name, + ruleOptions, + ); + } catch (err) { + /* + * If the rule has invalid `meta.schema`, throw the error because + * this is not an invalid inline configuration but an invalid rule. + */ + if ( + err.code === + "ESLINT_INVALID_RULE_OPTIONS_SCHEMA" + ) { + throw err; + } + + report.addError({ + ruleId: name, + message: err.message, + loc, + }); + + // do not apply the config, if found invalid options. + return; + } + + configuredRules[name] = ruleOptions; + }); + } else { + report.addFatal({ + loc, + message: parseResult.error.message, + }); + } + + break; + } + + // no default + } + }); + + return { + configuredRules, + enabledGlobals, + exportedVariables, + disableDirectives, + }; +} + +/** + * Parses comments in file to extract disable directives. + * @param {SourceCode} sourceCode The SourceCode object to get comments from. + * @param {function(string): {create: Function}} ruleMapper A map from rule IDs to defined rules + * @param {Language} language The language to use to adjust the location information + * @param {FileReport} report The report to add problems to. + * @returns {DisableDirective[]} + * A collection of the directive comments that were found, along with any problems that occurred when parsing + */ +function getDirectiveCommentsForFlatConfig( + sourceCode, + ruleMapper, + language, + report, +) { + const disableDirectives = []; + + if (sourceCode.getDisableDirectives) { + const { directives: directivesSources, problems: directivesProblems } = + sourceCode.getDisableDirectives(); + + if (Array.isArray(directivesProblems)) { + directivesProblems.forEach(problem => report.addError(problem)); + } + + directivesSources.forEach(directive => { + const directives = createDisableDirectives( + directive, + ruleMapper, + language, + sourceCode, + report, + ); + + disableDirectives.push(...directives); + }); + } + + return disableDirectives; +} + +/** + * Normalize ECMAScript version from the initial config + * @param {Parser} parser The parser which uses this options. + * @param {number} ecmaVersion ECMAScript version from the initial config + * @returns {number} normalized ECMAScript version + */ +function normalizeEcmaVersion(parser, ecmaVersion) { + if (isEspree(parser)) { + if (ecmaVersion === "latest") { + return espree.latestEcmaVersion; + } + } + + /* + * Calculate ECMAScript edition number from official year version starting with + * ES2015, which corresponds with ES6 (or a difference of 2009). + */ + return ecmaVersion >= 2015 ? ecmaVersion - 2009 : ecmaVersion; +} + +/** + * Normalize ECMAScript version from the initial config into languageOptions (year) + * format. + * @param {any} [ecmaVersion] ECMAScript version from the initial config + * @returns {number} normalized ECMAScript version + */ +function normalizeEcmaVersionForLanguageOptions(ecmaVersion) { + switch (ecmaVersion) { + case 3: + return 3; + + // void 0 = no ecmaVersion specified so use the default + case 5: + case void 0: + return 5; + + default: + if (typeof ecmaVersion === "number") { + return ecmaVersion >= 2015 ? ecmaVersion : ecmaVersion + 2009; + } + } + + /* + * We default to the latest supported ecmaVersion for everything else. + * Remember, this is for languageOptions.ecmaVersion, which sets the version + * that is used for a number of processes inside of ESLint. It's normally + * safe to assume people want the latest unless otherwise specified. + */ + return LATEST_ECMA_VERSION; +} + +const eslintEnvPattern = /\/\*\s*eslint-env\s.+?(?:\*\/|$)/gsu; + +/** + * Checks whether or not there is a comment which has "eslint-env *" in a given text. + * @param {string} text A source code text to check. + * @returns {Object|null} A result of parseListConfig() with "eslint-env *" comment. + */ +function findEslintEnv(text) { + let match, retv; + + eslintEnvPattern.lastIndex = 0; + + while ((match = eslintEnvPattern.exec(text)) !== null) { + if (match[0].endsWith("*/")) { + retv = Object.assign( + retv || {}, + commentParser.parseListConfig( + commentParser.parseDirective(match[0].slice(2, -2)).value, + ), + ); + } + } + + return retv; +} + +/** + * Convert "/path/to/" to "". + * `CLIEngine#executeOnText()` method gives "/path/to/" if the filename + * was omitted because `configArray.extractConfig()` requires an absolute path. + * But the linter should pass `` to `RuleContext#filename` in that + * case. + * Also, code blocks can have their virtual filename. If the parent filename was + * ``, the virtual filename is `/0_foo.js` or something like (i.e., + * it's not an absolute path). + * @param {string} filename The filename to normalize. + * @returns {string} The normalized filename. + */ +function normalizeFilename(filename) { + const parts = filename.split(path.sep); + const index = parts.lastIndexOf(""); + + return index === -1 ? filename : parts.slice(index).join(path.sep); +} + +/** + * Normalizes the possible options for `linter.verify` and `linter.verifyAndFix` to a + * consistent shape. + * @param {VerifyOptions} providedOptions Options + * @param {Config|ConfigData} config Config. + * @returns {Required & InternalOptions} Normalized options + */ +function normalizeVerifyOptions(providedOptions, config) { + const linterOptions = config.linterOptions || config; + + // .noInlineConfig for eslintrc, .linterOptions.noInlineConfig for flat + const disableInlineConfig = linterOptions.noInlineConfig === true; + const ignoreInlineConfig = providedOptions.allowInlineConfig === false; + const configNameOfNoInlineConfig = config.configNameOfNoInlineConfig + ? ` (${config.configNameOfNoInlineConfig})` + : ""; + + let reportUnusedDisableDirectives = + providedOptions.reportUnusedDisableDirectives; + + if (typeof reportUnusedDisableDirectives === "boolean") { + reportUnusedDisableDirectives = reportUnusedDisableDirectives + ? "error" + : "off"; + } + if (typeof reportUnusedDisableDirectives !== "string") { + if (typeof linterOptions.reportUnusedDisableDirectives === "boolean") { + reportUnusedDisableDirectives = + linterOptions.reportUnusedDisableDirectives ? "warn" : "off"; + } else { + reportUnusedDisableDirectives = + linterOptions.reportUnusedDisableDirectives === void 0 + ? "off" + : normalizeSeverityToString( + linterOptions.reportUnusedDisableDirectives, + ); + } + } + + const reportUnusedInlineConfigs = + linterOptions.reportUnusedInlineConfigs === void 0 + ? "off" + : normalizeSeverityToString( + linterOptions.reportUnusedInlineConfigs, + ); + + let ruleFilter = providedOptions.ruleFilter; + + if (typeof ruleFilter !== "function") { + ruleFilter = () => true; + } + + return { + filename: normalizeFilename(providedOptions.filename || ""), + allowInlineConfig: !ignoreInlineConfig, + warnInlineConfig: + disableInlineConfig && !ignoreInlineConfig + ? `your config${configNameOfNoInlineConfig}` + : null, + reportUnusedDisableDirectives, + reportUnusedInlineConfigs, + disableFixes: Boolean(providedOptions.disableFixes), + stats: providedOptions.stats, + ruleFilter, + }; +} + +/** + * Combines the provided parserOptions with the options from environments + * @param {Parser} parser The parser which uses this options. + * @param {ParserOptions} providedOptions The provided 'parserOptions' key in a config + * @param {Environment[]} enabledEnvironments The environments enabled in configuration and with inline comments + * @returns {ParserOptions} Resulting parser options after merge + */ +function resolveParserOptions(parser, providedOptions, enabledEnvironments) { + const parserOptionsFromEnv = enabledEnvironments + .filter(env => env.parserOptions) + .reduce( + (parserOptions, env) => merge(parserOptions, env.parserOptions), + {}, + ); + const mergedParserOptions = merge( + parserOptionsFromEnv, + providedOptions || {}, + ); + const isModule = mergedParserOptions.sourceType === "module"; + + if (isModule) { + /* + * can't have global return inside of modules + * TODO: espree validate parserOptions.globalReturn when sourceType is setting to module.(@aladdin-add) + */ + mergedParserOptions.ecmaFeatures = Object.assign( + {}, + mergedParserOptions.ecmaFeatures, + { globalReturn: false }, + ); + } + + mergedParserOptions.ecmaVersion = normalizeEcmaVersion( + parser, + mergedParserOptions.ecmaVersion, + ); + + return mergedParserOptions; +} + +/** + * Converts parserOptions to languageOptions for backwards compatibility with eslintrc. + * @param {ConfigData} config Config object. + * @param {Object} config.globals Global variable definitions. + * @param {Parser} config.parser The parser to use. + * @param {ParserOptions} config.parserOptions The parserOptions to use. + * @returns {JSLanguageOptions} The languageOptions equivalent. + */ +function createLanguageOptions({ + globals: configuredGlobals, + parser, + parserOptions, +}) { + const { ecmaVersion, sourceType } = parserOptions; + + return { + globals: configuredGlobals, + ecmaVersion: normalizeEcmaVersionForLanguageOptions(ecmaVersion), + sourceType, + parser, + parserOptions, + }; +} + +/** + * Combines the provided globals object with the globals from environments + * @param {Record} providedGlobals The 'globals' key in a config + * @param {Environment[]} enabledEnvironments The environments enabled in configuration and with inline comments + * @returns {Record} The resolved globals object + */ +function resolveGlobals(providedGlobals, enabledEnvironments) { + return Object.assign( + Object.create(null), + ...enabledEnvironments + .filter(env => env.globals) + .map(env => env.globals), + providedGlobals, + ); +} + +/** + * Store time measurements in map + * @param {number} time Time measurement + * @param {Object} timeOpts Options relating which time was measured + * @param {WeakMap} slots Linter internal slots map + * @returns {void} + */ +function storeTime(time, timeOpts, slots) { + const { type, key } = timeOpts; + + if (!slots.times) { + slots.times = { passes: [{}] }; + } + + const passIndex = slots.fixPasses; + + if (passIndex > slots.times.passes.length - 1) { + slots.times.passes.push({}); + } + + if (key) { + slots.times.passes[passIndex][type] ??= {}; + slots.times.passes[passIndex][type][key] ??= { total: 0 }; + slots.times.passes[passIndex][type][key].total += time; + } else { + slots.times.passes[passIndex][type] ??= { total: 0 }; + slots.times.passes[passIndex][type].total += time; + } +} + +/** + * Get the options for a rule (not including severity), if any + * @param {RuleConfig} ruleConfig rule configuration + * @param {Object|undefined} defaultOptions rule.meta.defaultOptions + * @returns {Array} of rule options, empty Array if none + */ +function getRuleOptions(ruleConfig, defaultOptions) { + if (Array.isArray(ruleConfig)) { + return deepMergeArrays(defaultOptions, ruleConfig.slice(1)); + } + return defaultOptions ?? []; +} + +/** + * Analyze scope of the given AST. + * @param {ASTNode} ast The `Program` node to analyze. + * @param {JSLanguageOptions} languageOptions The language options. + * @param {Record} visitorKeys The visitor keys. + * @returns {ScopeManager} The analysis result. + */ +function analyzeScope(ast, languageOptions, visitorKeys) { + const parserOptions = languageOptions.parserOptions; + const ecmaFeatures = parserOptions.ecmaFeatures || {}; + const ecmaVersion = languageOptions.ecmaVersion || DEFAULT_ECMA_VERSION; + + return eslintScope.analyze(ast, { + ignoreEval: true, + nodejsScope: ecmaFeatures.globalReturn, + impliedStrict: ecmaFeatures.impliedStrict, + ecmaVersion: typeof ecmaVersion === "number" ? ecmaVersion : 6, + sourceType: languageOptions.sourceType || "script", + childVisitorKeys: visitorKeys || evk.KEYS, + fallback: Traverser.getKeys, + }); +} + +/** + * Runs a rule, and gets its listeners + * @param {RuleDefinition} rule A rule object + * @param {Context} ruleContext The context that should be passed to the rule + * @throws {TypeError} If `rule` is not an object with a `create` method + * @throws {any} Any error during the rule's `create` + * @returns {Object} A map of selector listeners provided by the rule + */ +function createRuleListeners(rule, ruleContext) { + if ( + !rule || + typeof rule !== "object" || + typeof rule.create !== "function" + ) { + throw new TypeError( + `Error while loading rule '${ruleContext.id}': Rule must be an object with a \`create\` method`, + ); + } + + try { + return rule.create(ruleContext); + } catch (ex) { + ex.message = `Error while loading rule '${ruleContext.id}': ${ex.message}`; + throw ex; + } +} + +/** + * Runs the given rules on the given SourceCode object + * @param {SourceCode} sourceCode A SourceCode object for the given text + * @param {Object} configuredRules The rules configuration + * @param {function(string): RuleDefinition} ruleMapper A mapper function from rule names to rules + * @param {string | undefined} parserName The name of the parser in the config + * @param {Language} language The language object used for parsing. + * @param {LanguageOptions} languageOptions The options for parsing the code. + * @param {Object} settings The settings that were enabled in the config + * @param {string} filename The reported filename of the code + * @param {boolean} applyDefaultOptions If true, apply rules' meta.defaultOptions in computing their config options. + * @param {string | undefined} cwd cwd of the cli + * @param {string} physicalFilename The full path of the file on disk without any code block information + * @param {Function} ruleFilter A predicate function to filter which rules should be executed. + * @param {boolean} stats If true, stats are collected appended to the result + * @param {WeakMap} slots InternalSlotsMap of linter + * @param {FileReport} report The report to add problems to + * @returns {FileReport} report The report with added problems + * @throws {Error} If traversal into a node fails. + */ +function runRules( + sourceCode, + configuredRules, + ruleMapper, + parserName, + language, + languageOptions, + settings, + filename, + applyDefaultOptions, + cwd, + physicalFilename, + ruleFilter, + stats, + slots, + report, +) { + const visitor = new SourceCodeVisitor(); + + /* + * Create a frozen object with the ruleContext properties and methods that are shared by all rules. + * All rule contexts will inherit from this object. This avoids the performance penalty of copying all the + * properties once for each rule. + */ + const fileContext = new FileContext({ + cwd, + filename, + physicalFilename: physicalFilename || filename, + sourceCode, + parserOptions: { + ...languageOptions.parserOptions, + }, + parserPath: parserName, + languageOptions, + settings, + }); + + const steps = sourceCode.traverse(); + + Object.keys(configuredRules).forEach(ruleId => { + const severity = Config.getRuleNumericSeverity(configuredRules[ruleId]); + + // not load disabled rules + if (severity === 0) { + return; + } + + if (ruleFilter && !ruleFilter({ ruleId, severity })) { + return; + } + + const rule = ruleMapper(ruleId); + + if (!rule) { + report.addError({ ruleId }); + return; + } + + const ruleContext = fileContext.extend({ + id: ruleId, + options: getRuleOptions( + configuredRules[ruleId], + applyDefaultOptions ? rule.meta?.defaultOptions : void 0, + ), + report(...args) { + const problem = report.addRuleMessage( + ruleId, + severity, + ...args, + ); + + if (problem.fix && !(rule.meta && rule.meta.fixable)) { + throw new Error( + 'Fixable rules must set the `meta.fixable` property to "code" or "whitespace".', + ); + } + + if ( + problem.suggestions && + !(rule.meta && rule.meta.hasSuggestions === true) + ) { + if ( + rule.meta && + rule.meta.docs && + typeof rule.meta.docs.suggestion !== "undefined" + ) { + // Encourage migration from the former property name. + throw new Error( + "Rules with suggestions must set the `meta.hasSuggestions` property to `true`. `meta.docs.suggestion` is ignored by ESLint.", + ); + } + throw new Error( + "Rules with suggestions must set the `meta.hasSuggestions` property to `true`.", + ); + } + }, + }); + + const ruleListenersReturn = + timing.enabled || stats + ? timing.time( + ruleId, + createRuleListeners, + stats, + )(rule, ruleContext) + : createRuleListeners(rule, ruleContext); + + const ruleListeners = stats + ? ruleListenersReturn.result + : ruleListenersReturn; + + if (stats) { + storeTime( + ruleListenersReturn.tdiff, + { type: "rules", key: ruleId }, + slots, + ); + } + + /** + * Include `ruleId` in error logs + * @param {Function} ruleListener A rule method that listens for a node. + * @returns {Function} ruleListener wrapped in error handler + */ + function addRuleErrorHandler(ruleListener) { + return function ruleErrorHandler(...listenerArgs) { + try { + const ruleListenerReturn = ruleListener(...listenerArgs); + + const ruleListenerResult = stats + ? ruleListenerReturn.result + : ruleListenerReturn; + + if (stats) { + storeTime( + ruleListenerReturn.tdiff, + { type: "rules", key: ruleId }, + slots, + ); + } + + return ruleListenerResult; + } catch (e) { + e.ruleId = ruleId; + throw e; + } + }; + } + + if (typeof ruleListeners === "undefined" || ruleListeners === null) { + throw new Error( + `The create() function for rule '${ruleId}' did not return an object.`, + ); + } + + // add all the selectors from the rule as listeners + Object.keys(ruleListeners).forEach(selector => { + const ruleListener = + timing.enabled || stats + ? timing.time(ruleId, ruleListeners[selector], stats) + : ruleListeners[selector]; + + visitor.add(selector, addRuleErrorHandler(ruleListener)); + }); + }); + + const traverser = SourceCodeTraverser.getInstance(language); + + traverser.traverseSync(sourceCode, visitor, { steps }); + + return report; +} + +/** + * Ensure the source code to be a string. + * @param {string|SourceCode} textOrSourceCode The text or source code object. + * @returns {string} The source code text. + */ +function ensureText(textOrSourceCode) { + if (typeof textOrSourceCode === "object") { + const { hasBOM, text } = textOrSourceCode; + const bom = hasBOM ? "\uFEFF" : ""; + + return bom + text; + } + + return String(textOrSourceCode); +} + +/** + * Get an environment. + * @param {LinterInternalSlots} slots The internal slots of Linter. + * @param {string} envId The environment ID to get. + * @returns {Environment|null} The environment. + */ +function getEnv(slots, envId) { + return ( + (slots.lastConfigArray && + slots.lastConfigArray.pluginEnvironments.get(envId)) || + BuiltInEnvironments.get(envId) || + null + ); +} + +/** + * Get a rule. + * @param {LinterInternalSlots} slots The internal slots of Linter. + * @param {string} ruleId The rule ID to get. + * @returns {Rule|null} The rule. + */ +function getRule(slots, ruleId) { + return ( + (slots.lastConfigArray && + slots.lastConfigArray.pluginRules.get(ruleId)) || + slots.ruleMap.get(ruleId) + ); +} + +/** + * Normalize the value of the cwd + * @param {string | undefined} cwd raw value of the cwd, path to a directory that should be considered as the current working directory, can be undefined. + * @returns {string | undefined} normalized cwd + */ +function normalizeCwd(cwd) { + if (cwd) { + return cwd; + } + if (typeof process === "object") { + return process.cwd(); + } + + // It's more explicit to assign the undefined + // eslint-disable-next-line no-undefined -- Consistently returning a value + return undefined; +} + +/** + * The map to store private data. + * @type {WeakMap} + */ +const internalSlotsMap = new WeakMap(); + +/** + * Throws an error when the given linter is in flat config mode. + * @param {Linter} linter The linter to check. + * @returns {void} + * @throws {Error} If the linter is in flat config mode. + */ +function assertEslintrcConfig(linter) { + const { configType } = internalSlotsMap.get(linter); + + if (configType === "flat") { + throw new Error( + "This method cannot be used with flat config. Add your entries directly into the config array.", + ); + } +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Object that is responsible for verifying JavaScript text + * @name Linter + */ +class Linter { + /** + * Initialize the Linter. + * @param {Object} [config] the config object + * @param {string} [config.cwd] path to a directory that should be considered as the current working directory, can be undefined. + * @param {Array} [config.flags] the feature flags to enable. + * @param {"flat"|"eslintrc"} [config.configType="flat"] the type of config used. + * @param {WarningService} [config.warningService] The warning service to use. + */ + constructor({ + cwd, + configType = "flat", + flags = [], + warningService = new WarningService(), + } = {}) { + const processedFlags = []; + + flags.forEach(flag => { + if (inactiveFlags.has(flag)) { + const inactiveFlagData = inactiveFlags.get(flag); + const inactivityReason = + getInactivityReasonMessage(inactiveFlagData); + const message = `The flag '${flag}' is inactive: ${inactivityReason}`; + + if (typeof inactiveFlagData.replacedBy === "undefined") { + throw new Error(message); + } + + // if there's a replacement, enable it instead of original + if (typeof inactiveFlagData.replacedBy === "string") { + processedFlags.push(inactiveFlagData.replacedBy); + } + + warningService.emitInactiveFlagWarning(flag, message); + + return; + } + + if (!activeFlags.has(flag)) { + throw new Error(`Unknown flag '${flag}'.`); + } + + processedFlags.push(flag); + }); + + internalSlotsMap.set(this, { + cwd: normalizeCwd(cwd), + flags: processedFlags, + lastConfigArray: null, + lastSourceCode: null, + lastSuppressedMessages: [], + configType, // TODO: Remove after flat config conversion + parserMap: new Map([["espree", espree]]), + ruleMap: new Rules(), + warningService, + }); + + this.version = pkg.version; + } + + /** + * Getter for package version. + * @static + * @returns {string} The version from package.json. + */ + static get version() { + return pkg.version; + } + + /** + * Indicates if the given feature flag is enabled for this instance. + * @param {string} flag The feature flag to check. + * @returns {boolean} `true` if the feature flag is enabled, `false` if not. + */ + hasFlag(flag) { + return internalSlotsMap.get(this).flags.includes(flag); + } + + /** + * Lint using eslintrc and without processors. + * @param {VFile} file The file to lint. + * @param {ConfigData} providedConfig An ESLintConfig instance to configure everything. + * @param {VerifyOptions} [providedOptions] The optional filename of the file being checked. + * @throws {Error} If during rule execution. + * @returns {(LintMessage|SuppressedLintMessage)[]} The results as an array of messages or an empty array if no messages. + */ + #eslintrcVerifyWithoutProcessors(file, providedConfig, providedOptions) { + const slots = internalSlotsMap.get(this); + const config = providedConfig || {}; + const options = normalizeVerifyOptions(providedOptions, config); + + // Resolve parser. + let parserName = DEFAULT_PARSER_NAME; + let parser = espree; + + if (typeof config.parser === "object" && config.parser !== null) { + parserName = config.parser.filePath; + parser = config.parser.definition; + } else if (typeof config.parser === "string") { + if (!slots.parserMap.has(config.parser)) { + return [ + { + ruleId: null, + fatal: true, + severity: 2, + message: `Configured parser '${config.parser}' was not found.`, + line: 0, + column: 0, + nodeType: null, + }, + ]; + } + parserName = config.parser; + parser = slots.parserMap.get(config.parser); + } + + // search and apply "eslint-env *". + const envInFile = + options.allowInlineConfig && !options.warnInlineConfig + ? findEslintEnv(file.body) + : {}; + const resolvedEnvConfig = Object.assign( + { builtin: true }, + config.env, + envInFile, + ); + const enabledEnvs = Object.keys(resolvedEnvConfig) + .filter(envName => resolvedEnvConfig[envName]) + .map(envName => getEnv(slots, envName)) + .filter(env => env); + + const parserOptions = resolveParserOptions( + parser, + config.parserOptions || {}, + enabledEnvs, + ); + const configuredGlobals = resolveGlobals( + config.globals || {}, + enabledEnvs, + ); + const settings = config.settings || {}; + const languageOptions = createLanguageOptions({ + globals: config.globals, + parser, + parserOptions, + }); + + if (!slots.lastSourceCode) { + let t; + + if (options.stats) { + t = startTime(); + } + + const parserService = new ParserService(); + const parseResult = parserService.parseSync(file, { + language: jslang, + languageOptions, + }); + + if (options.stats) { + const time = endTime(t); + const timeOpts = { type: "parse" }; + + storeTime(time, timeOpts, slots); + } + + if (!parseResult.ok) { + return parseResult.errors; + } + + slots.lastSourceCode = parseResult.sourceCode; + } else { + /* + * If the given source code object as the first argument does not have scopeManager, analyze the scope. + * This is for backward compatibility (SourceCode is frozen so it cannot rebind). + */ + if (!slots.lastSourceCode.scopeManager) { + slots.lastSourceCode = new SourceCode({ + text: slots.lastSourceCode.text, + ast: slots.lastSourceCode.ast, + hasBOM: slots.lastSourceCode.hasBOM, + parserServices: slots.lastSourceCode.parserServices, + visitorKeys: slots.lastSourceCode.visitorKeys, + scopeManager: analyzeScope( + slots.lastSourceCode.ast, + languageOptions, + ), + }); + } + } + + const sourceCode = slots.lastSourceCode; + const report = new FileReport({ + ruleMapper: ruleId => getRule(slots, ruleId), + language: jslang, + sourceCode, + disableFixes: options.disableFixes, + }); + + const commentDirectives = options.allowInlineConfig + ? getDirectiveComments( + sourceCode, + ruleId => getRule(slots, ruleId), + options.warnInlineConfig, + config, + report, + ) + : { + configuredRules: {}, + enabledGlobals: {}, + exportedVariables: {}, + disableDirectives: [], + }; + + addDeclaredGlobals( + sourceCode.scopeManager.scopes[0], + configuredGlobals, + { + exportedVariables: commentDirectives.exportedVariables, + enabledGlobals: commentDirectives.enabledGlobals, + }, + ); + + const configuredRules = Object.assign( + {}, + config.rules, + commentDirectives.configuredRules, + ); + + try { + runRules( + sourceCode, + configuredRules, + ruleId => getRule(slots, ruleId), + parserName, + jslang, + languageOptions, + settings, + options.filename, + true, + slots.cwd, + providedOptions.physicalFilename, + null, + options.stats, + slots, + report, + ); + } catch (err) { + err.message += `\nOccurred while linting ${options.filename}`; + debug("An error occurred while traversing"); + debug("Filename:", options.filename); + if (err.currentNode) { + const { line } = sourceCode.getLoc(err.currentNode).start; + + debug("Line:", line); + err.message += `:${line}`; + } + debug("Parser Options:", parserOptions); + debug("Parser Path:", parserName); + debug("Settings:", settings); + + if (err.ruleId) { + err.message += `\nRule: "${err.ruleId}"`; + } + + throw err; + } + + return applyDisableDirectives({ + language: jslang, + sourceCode, + directives: commentDirectives.disableDirectives, + disableFixes: options.disableFixes, + problems: report.messages.sort( + (problemA, problemB) => + problemA.line - problemB.line || + problemA.column - problemB.column, + ), + reportUnusedDisableDirectives: + options.reportUnusedDisableDirectives, + }); + } + + /** + * Same as linter.verify, except without support for processors. + * @param {string|SourceCode} textOrSourceCode The text to parse or a SourceCode object. + * @param {ConfigData} providedConfig An ESLintConfig instance to configure everything. + * @param {VerifyOptions} [providedOptions] The optional filename of the file being checked. + * @throws {Error} If during rule execution. + * @returns {(LintMessage|SuppressedLintMessage)[]} The results as an array of messages or an empty array if no messages. + */ + _verifyWithoutProcessors( + textOrSourceCode, + providedConfig, + providedOptions, + ) { + const slots = internalSlotsMap.get(this); + const filename = normalizeFilename( + providedOptions.filename || "", + ); + let text; + + // evaluate arguments + if (typeof textOrSourceCode === "string") { + slots.lastSourceCode = null; + text = textOrSourceCode; + } else { + slots.lastSourceCode = textOrSourceCode; + text = textOrSourceCode.text; + } + + const file = new VFile(filename, text, { + physicalPath: providedOptions.physicalFilename, + }); + + return this.#eslintrcVerifyWithoutProcessors( + file, + providedConfig, + providedOptions, + ); + } + + /** + * Verifies the text against the rules specified by the second argument. + * @param {string|SourceCode} textOrSourceCode The text to parse or a SourceCode object. + * @param {ConfigData|ConfigArray} config An ESLintConfig instance to configure everything. + * @param {(string|(VerifyOptions&ProcessorOptions))} [filenameOrOptions] The optional filename of the file being checked. + * If this is not set, the filename will default to '' in the rule context. If + * an object, then it has "filename", "allowInlineConfig", and some properties. + * @returns {LintMessage[]} The results as an array of messages or an empty array if no messages. + */ + verify(textOrSourceCode, config, filenameOrOptions) { + debug("Verify"); + + const { configType, cwd } = internalSlotsMap.get(this); + + const options = + typeof filenameOrOptions === "string" + ? { filename: filenameOrOptions } + : filenameOrOptions || {}; + + const configToUse = config ?? {}; + + if (configType !== "eslintrc") { + /* + * Because of how Webpack packages up the files, we can't + * compare directly to `FlatConfigArray` using `instanceof` + * because it's not the same `FlatConfigArray` as in the tests. + * So, we work around it by assuming an array is, in fact, a + * `FlatConfigArray` if it has a `getConfig()` method. + */ + let configArray = configToUse; + + if ( + !Array.isArray(configToUse) || + typeof configToUse.getConfig !== "function" + ) { + configArray = new FlatConfigArray(configToUse, { + basePath: cwd, + }); + configArray.normalizeSync(); + } + + return this._distinguishSuppressedMessages( + this._verifyWithFlatConfigArray( + textOrSourceCode, + configArray, + options, + true, + ), + ); + } + + if (typeof configToUse.extractConfig === "function") { + return this._distinguishSuppressedMessages( + this._verifyWithConfigArray( + textOrSourceCode, + configToUse, + options, + ), + ); + } + + /* + * If we get to here, it means `config` is just an object rather + * than a config array so we can go right into linting. + */ + + /* + * `Linter` doesn't support `overrides` property in configuration. + * So we cannot apply multiple processors. + */ + if (options.preprocess || options.postprocess) { + return this._distinguishSuppressedMessages( + this._verifyWithProcessor( + textOrSourceCode, + configToUse, + options, + ), + ); + } + return this._distinguishSuppressedMessages( + this._verifyWithoutProcessors( + textOrSourceCode, + configToUse, + options, + ), + ); + } + + /** + * Verify with a processor. + * @param {string|SourceCode} textOrSourceCode The source code. + * @param {Config} config The config array. + * @param {VerifyOptions&ProcessorOptions} options The options. + * @param {FlatConfigArray} [configForRecursive] The `ConfigArray` object to apply multiple processors recursively. + * @returns {(LintMessage|SuppressedLintMessage)[]} The found problems. + */ + _verifyWithFlatConfigArrayAndProcessor( + textOrSourceCode, + config, + options, + configForRecursive, + ) { + const slots = internalSlotsMap.get(this); + const filename = options.filename || ""; + const filenameToExpose = normalizeFilename(filename); + const physicalFilename = options.physicalFilename || filenameToExpose; + const text = ensureText(textOrSourceCode); + const file = new VFile(filenameToExpose, text, { + physicalPath: physicalFilename, + }); + + const preprocess = options.preprocess || (rawText => [rawText]); + const postprocess = + options.postprocess || (messagesList => messagesList.flat()); + + const processorService = new ProcessorService(); + const preprocessResult = processorService.preprocessSync(file, { + processor: { + preprocess, + postprocess, + }, + }); + + if (!preprocessResult.ok) { + return preprocessResult.errors; + } + + const filterCodeBlock = + options.filterCodeBlock || + (blockFilename => blockFilename.endsWith(".js")); + const originalExtname = path.extname(filename); + const { files } = preprocessResult; + + const messageLists = files.map(block => { + debug("A code block was found: %o", block.path || "(unnamed)"); + + // Keep the legacy behavior. + if (typeof block === "string") { + return this._verifyWithFlatConfigArrayAndWithoutProcessors( + block, + config, + options, + ); + } + + // Skip this block if filtered. + if (!filterCodeBlock(block.path, block.body)) { + debug("This code block was skipped."); + return []; + } + + // Resolve configuration again if the file content or extension was changed. + if ( + configForRecursive && + (text !== block.rawBody || + path.extname(block.path) !== originalExtname) + ) { + debug( + "Resolving configuration again because the file content or extension was changed.", + ); + return this._verifyWithFlatConfigArray( + block.rawBody, + configForRecursive, + { + ...options, + filename: block.path, + physicalFilename: block.physicalPath, + }, + ); + } + + slots.lastSourceCode = null; + + // Does lint. + return this.#flatVerifyWithoutProcessors(block, config, { + ...options, + filename: block.path, + physicalFilename: block.physicalPath, + }); + }); + + return processorService.postprocessSync(file, messageLists, { + processor: { + preprocess, + postprocess, + }, + }); + } + + /** + * Verify using flat config and without any processors. + * @param {VFile} file The file to lint. + * @param {Config} providedConfig An ESLintConfig instance to configure everything. + * @param {VerifyOptions} [providedOptions] The optional filename of the file being checked. + * @throws {Error} If during rule execution. + * @returns {(LintMessage|SuppressedLintMessage)[]} The results as an array of messages or an empty array if no messages. + */ + #flatVerifyWithoutProcessors(file, providedConfig, providedOptions) { + const slots = internalSlotsMap.get(this); + const config = providedConfig || {}; + const { settings = {}, languageOptions } = config; + const options = normalizeVerifyOptions(providedOptions, config); + + if (!slots.lastSourceCode) { + let t; + + if (options.stats) { + t = startTime(); + } + + const parserService = new ParserService(); + const parseResult = parserService.parseSync(file, config); + + if (options.stats) { + const time = endTime(t); + + storeTime(time, { type: "parse" }, slots); + } + + if (!parseResult.ok) { + return parseResult.errors; + } + + slots.lastSourceCode = parseResult.sourceCode; + } else { + /* + * If the given source code object as the first argument does not have scopeManager, analyze the scope. + * This is for backward compatibility (SourceCode is frozen so it cannot rebind). + * + * We check explicitly for `null` to ensure that this is a JS-flavored language. + * For non-JS languages we don't want to do this. + * + * TODO: Remove this check when we stop exporting the `SourceCode` object. + */ + if (slots.lastSourceCode.scopeManager === null) { + slots.lastSourceCode = new SourceCode({ + text: slots.lastSourceCode.text, + ast: slots.lastSourceCode.ast, + hasBOM: slots.lastSourceCode.hasBOM, + parserServices: slots.lastSourceCode.parserServices, + visitorKeys: slots.lastSourceCode.visitorKeys, + scopeManager: analyzeScope( + slots.lastSourceCode.ast, + languageOptions, + ), + }); + } + } + + const sourceCode = slots.lastSourceCode; + const report = new FileReport({ + ruleMapper: ruleId => config.getRuleDefinition(ruleId), + language: config.language, + sourceCode, + disableFixes: options.disableFixes, + }); + + /* + * Make adjustments based on the language options. For JavaScript, + * this is primarily about adding variables into the global scope + * to account for ecmaVersion and configured globals. + */ + sourceCode.applyLanguageOptions?.(languageOptions); + + const mergedInlineConfig = { + rules: {}, + }; + + /* + * Inline config can be either enabled or disabled. If disabled, it's possible + * to detect the inline config and emit a warning (though this is not required). + * So we first check to see if inline config is allowed at all, and if so, we + * need to check if it's a warning or not. + */ + if (options.allowInlineConfig) { + // if inline config should warn then add the warnings + if (options.warnInlineConfig) { + if (sourceCode.getInlineConfigNodes) { + sourceCode.getInlineConfigNodes().forEach(node => { + const loc = sourceCode.getLoc(node); + const range = sourceCode.getRange(node); + + report.addWarning({ + message: `'${sourceCode.text.slice(range[0], range[1])}' has no effect because you have 'noInlineConfig' setting in ${options.warnInlineConfig}.`, + loc, + }); + }); + } + } else { + if (config.language === jslang) { + for (const comment of sourceCode.getInlineConfigNodes()) { + const { label } = commentParser.parseDirective( + comment.value, + ); + if (label === "eslint-env") { + slots.warningService.emitESLintEnvWarning( + options.filename, + comment.loc.start.line, + ); + } + } + } + + const inlineConfigResult = sourceCode.applyInlineConfig?.(); + + if (inlineConfigResult) { + inlineConfigResult.problems.forEach(problem => { + report.addFatal(problem); + }); + + for (const { + config: inlineConfig, + loc, + } of inlineConfigResult.configs) { + Object.keys(inlineConfig.rules).forEach(ruleId => { + const rule = config.getRuleDefinition(ruleId); + const ruleValue = inlineConfig.rules[ruleId]; + + if (!rule) { + report.addError({ + ruleId, + loc, + }); + return; + } + + if ( + Object.hasOwn(mergedInlineConfig.rules, ruleId) + ) { + report.addError({ + message: `Rule "${ruleId}" is already configured by another configuration comment in the preceding code. This configuration is ignored.`, + loc, + }); + return; + } + + try { + const ruleOptionsInline = asArray(ruleValue); + let ruleOptions = ruleOptionsInline; + + assertIsRuleSeverity(ruleId, ruleOptions[0]); + + /* + * If the rule was already configured, inline rule configuration that + * only has severity should retain options from the config and just override the severity. + * + * Example: + * + * { + * rules: { + * curly: ["error", "multi"] + * } + * } + * + * /* eslint curly: ["warn"] * / + * + * Results in: + * + * curly: ["warn", "multi"] + */ + + let shouldValidateOptions = true; + + if ( + /* + * If inline config for the rule has only severity + */ + ruleOptions.length === 1 && + /* + * And the rule was already configured + */ + config.rules && + Object.hasOwn(config.rules, ruleId) + ) { + /* + * Then use severity from the inline config and options from the provided config + */ + ruleOptions = [ + ruleOptions[0], // severity from the inline config + ...config.rules[ruleId].slice(1), // options from the provided config + ]; + + // if the rule was enabled, the options have already been validated + if (config.rules[ruleId][0] > 0) { + shouldValidateOptions = false; + } + } else { + /** + * Since we know the user provided options, apply defaults on top of them + */ + const slicedOptions = ruleOptions.slice(1); + const mergedOptions = deepMergeArrays( + rule.meta?.defaultOptions, + slicedOptions, + ); + + if (mergedOptions.length) { + ruleOptions = [ + ruleOptions[0], + ...mergedOptions, + ]; + } + } + + if ( + options.reportUnusedInlineConfigs !== "off" + ) { + addProblemIfSameSeverityAndOptions( + config, + loc, + report, + ruleId, + ruleOptions, + ruleOptionsInline, + options.reportUnusedInlineConfigs, + ); + } + + if (shouldValidateOptions) { + config.validateRulesConfig({ + [ruleId]: ruleOptions, + }); + } + + mergedInlineConfig.rules[ruleId] = ruleOptions; + } catch (err) { + /* + * If the rule has invalid `meta.schema`, throw the error because + * this is not an invalid inline configuration but an invalid rule. + */ + if ( + err.code === + "ESLINT_INVALID_RULE_OPTIONS_SCHEMA" + ) { + throw err; + } + + let baseMessage = err.message + .slice( + err.message.startsWith('Key "rules":') + ? err.message.indexOf(":", 12) + 1 + : err.message.indexOf(":") + 1, + ) + .trim(); + + if (err.messageTemplate) { + baseMessage += ` You passed "${ruleValue}".`; + } + + report.addError({ + ruleId, + message: `Inline configuration for rule "${ruleId}" is invalid:\n\t${baseMessage}\n`, + loc, + }); + } + }); + } + } + } + } + + const commentDirectives = + options.allowInlineConfig && !options.warnInlineConfig + ? getDirectiveCommentsForFlatConfig( + sourceCode, + ruleId => config.getRuleDefinition(ruleId), + config.language, + report, + ) + : []; + + const configuredRules = Object.assign( + {}, + config.rules, + mergedInlineConfig.rules, + ); + + sourceCode.finalize?.(); + + try { + runRules( + sourceCode, + configuredRules, + ruleId => config.getRuleDefinition(ruleId), + void 0, + config.language, + languageOptions, + settings, + options.filename, + false, + slots.cwd, + providedOptions.physicalFilename, + options.ruleFilter, + options.stats, + slots, + report, + ); + } catch (err) { + err.message += `\nOccurred while linting ${options.filename}`; + debug("An error occurred while traversing"); + debug("Filename:", options.filename); + if (err.currentNode) { + const { line } = sourceCode.getLoc(err.currentNode).start; + + debug("Line:", line); + err.message += `:${line}`; + } + debug("Parser Options:", languageOptions.parserOptions); + + // debug("Parser Path:", parserName); + debug("Settings:", settings); + + if (err.ruleId) { + err.message += `\nRule: "${err.ruleId}"`; + } + + throw err; + } + + return applyDisableDirectives({ + language: config.language, + sourceCode, + directives: commentDirectives, + disableFixes: options.disableFixes, + problems: report.messages.sort( + (problemA, problemB) => + problemA.line - problemB.line || + problemA.column - problemB.column, + ), + reportUnusedDisableDirectives: + options.reportUnusedDisableDirectives, + ruleFilter: options.ruleFilter, + configuredRules, + }); + } + + /** + * Same as linter.verify, except without support for processors. + * @param {string|SourceCode} textOrSourceCode The text to parse or a SourceCode object. + * @param {Config} providedConfig An ESLintConfig instance to configure everything. + * @param {VerifyOptions} [providedOptions] The optional filename of the file being checked. + * @throws {Error} If during rule execution. + * @returns {(LintMessage|SuppressedLintMessage)[]} The results as an array of messages or an empty array if no messages. + */ + _verifyWithFlatConfigArrayAndWithoutProcessors( + textOrSourceCode, + providedConfig, + providedOptions, + ) { + const slots = internalSlotsMap.get(this); + const filename = normalizeFilename( + providedOptions.filename || "", + ); + let text; + + // evaluate arguments + if (typeof textOrSourceCode === "string") { + slots.lastSourceCode = null; + text = textOrSourceCode; + } else { + slots.lastSourceCode = textOrSourceCode; + text = textOrSourceCode.text; + } + + const file = new VFile(filename, text, { + physicalPath: providedOptions.physicalFilename, + }); + + return this.#flatVerifyWithoutProcessors( + file, + providedConfig, + providedOptions, + ); + } + + /** + * Verify a given code with `ConfigArray`. + * @param {string|SourceCode} textOrSourceCode The source code. + * @param {ConfigArray} configArray The config array. + * @param {VerifyOptions&ProcessorOptions} options The options. + * @returns {(LintMessage|SuppressedLintMessage)[]} The found problems. + */ + _verifyWithConfigArray(textOrSourceCode, configArray, options) { + debug("With ConfigArray: %s", options.filename); + + // Store the config array in order to get plugin envs and rules later. + internalSlotsMap.get(this).lastConfigArray = configArray; + + // Extract the final config for this file. + const config = configArray.extractConfig(options.filename); + const processor = + config.processor && + configArray.pluginProcessors.get(config.processor); + + // Verify. + if (processor) { + debug("Apply the processor: %o", config.processor); + const { preprocess, postprocess, supportsAutofix } = processor; + const disableFixes = options.disableFixes || !supportsAutofix; + + return this._verifyWithProcessor( + textOrSourceCode, + config, + { ...options, disableFixes, postprocess, preprocess }, + configArray, + ); + } + return this._verifyWithoutProcessors(textOrSourceCode, config, options); + } + + /** + * Verify a given code with a flat config. + * @param {string|SourceCode} textOrSourceCode The source code. + * @param {FlatConfigArray} configArray The config array. + * @param {VerifyOptions&ProcessorOptions} options The options. + * @param {boolean} [firstCall=false] Indicates if this is being called directly + * from verify(). (TODO: Remove once eslintrc is removed.) + * @returns {(LintMessage|SuppressedLintMessage)[]} The found problems. + */ + _verifyWithFlatConfigArray( + textOrSourceCode, + configArray, + options, + firstCall = false, + ) { + debug("With flat config: %s", options.filename); + + // we need a filename to match configs against + const filename = options.filename || "__placeholder__.js"; + + // Store the config array in order to get plugin envs and rules later. + internalSlotsMap.get(this).lastConfigArray = configArray; + const config = configArray.getConfig(filename); + + if (!config) { + return [ + { + ruleId: null, + severity: 1, + message: `No matching configuration found for ${filename}.`, + line: 0, + column: 0, + nodeType: null, + }, + ]; + } + + // Verify. + if (config.processor) { + debug("Apply the processor: %o", config.processor); + const { preprocess, postprocess, supportsAutofix } = + config.processor; + const disableFixes = options.disableFixes || !supportsAutofix; + + return this._verifyWithFlatConfigArrayAndProcessor( + textOrSourceCode, + config, + { ...options, filename, disableFixes, postprocess, preprocess }, + configArray, + ); + } + + // check for options-based processing + if (firstCall && (options.preprocess || options.postprocess)) { + return this._verifyWithFlatConfigArrayAndProcessor( + textOrSourceCode, + config, + options, + ); + } + + return this._verifyWithFlatConfigArrayAndWithoutProcessors( + textOrSourceCode, + config, + options, + ); + } + + /** + * Verify with a processor. + * @param {string|SourceCode} textOrSourceCode The source code. + * @param {ConfigData|ExtractedConfig} config The config array. + * @param {VerifyOptions&ProcessorOptions} options The options. + * @param {ConfigArray} [configForRecursive] The `ConfigArray` object to apply multiple processors recursively. + * @returns {(LintMessage|SuppressedLintMessage)[]} The found problems. + */ + _verifyWithProcessor( + textOrSourceCode, + config, + options, + configForRecursive, + ) { + const slots = internalSlotsMap.get(this); + const filename = options.filename || ""; + const filenameToExpose = normalizeFilename(filename); + const physicalFilename = options.physicalFilename || filenameToExpose; + const text = ensureText(textOrSourceCode); + const file = new VFile(filenameToExpose, text, { + physicalPath: physicalFilename, + }); + + const preprocess = options.preprocess || (rawText => [rawText]); + const postprocess = + options.postprocess || (messagesList => messagesList.flat()); + + const processorService = new ProcessorService(); + const preprocessResult = processorService.preprocessSync(file, { + processor: { + preprocess, + postprocess, + }, + }); + + if (!preprocessResult.ok) { + return preprocessResult.errors; + } + + const filterCodeBlock = + options.filterCodeBlock || + (blockFilePath => blockFilePath.endsWith(".js")); + const originalExtname = path.extname(filename); + + const { files } = preprocessResult; + + const messageLists = files.map(block => { + debug("A code block was found: %o", block.path ?? "(unnamed)"); + + // Keep the legacy behavior. + if (typeof block === "string") { + return this._verifyWithoutProcessors(block, config, options); + } + + // Skip this block if filtered. + if (!filterCodeBlock(block.path, block.body)) { + debug("This code block was skipped."); + return []; + } + + // Resolve configuration again if the file content or extension was changed. + if ( + configForRecursive && + (text !== block.rawBody || + path.extname(block.path) !== originalExtname) + ) { + debug( + "Resolving configuration again because the file content or extension was changed.", + ); + return this._verifyWithConfigArray( + block.rawBody, + configForRecursive, + { + ...options, + filename: block.path, + physicalFilename: block.physicalPath, + }, + ); + } + + slots.lastSourceCode = null; + + // Does lint. + return this.#eslintrcVerifyWithoutProcessors(block, config, { + ...options, + filename: block.path, + physicalFilename: block.physicalPath, + }); + }); + + return processorService.postprocessSync(file, messageLists, { + processor: { + preprocess, + postprocess, + }, + }); + } + + /** + * Given a list of reported problems, distinguish problems between normal messages and suppressed messages. + * The normal messages will be returned and the suppressed messages will be stored as lastSuppressedMessages. + * @param {Array} problems A list of reported problems. + * @returns {LintMessage[]} A list of LintMessage. + */ + _distinguishSuppressedMessages(problems) { + const messages = []; + const suppressedMessages = []; + const slots = internalSlotsMap.get(this); + + for (const problem of problems) { + if (problem.suppressions) { + suppressedMessages.push(problem); + } else { + messages.push(problem); + } + } + + slots.lastSuppressedMessages = suppressedMessages; + + return messages; + } + + /** + * Gets the SourceCode object representing the parsed source. + * @returns {SourceCode} The SourceCode object. + */ + getSourceCode() { + return internalSlotsMap.get(this).lastSourceCode; + } + + /** + * Gets the times spent on (parsing, fixing, linting) a file. + * @returns {{ passes: TimePass[]; }} The times. + */ + getTimes() { + return internalSlotsMap.get(this).times ?? { passes: [] }; + } + + /** + * Gets the number of autofix passes that were made in the last run. + * @returns {number} The number of autofix passes. + */ + getFixPassCount() { + return internalSlotsMap.get(this).fixPasses ?? 0; + } + + /** + * Gets the list of SuppressedLintMessage produced in the last running. + * @returns {SuppressedLintMessage[]} The list of SuppressedLintMessage + */ + getSuppressedMessages() { + return internalSlotsMap.get(this).lastSuppressedMessages; + } + + /** + * Defines a new linting rule. + * @param {string} ruleId A unique rule identifier + * @param {Rule} rule A rule object + * @returns {void} + */ + defineRule(ruleId, rule) { + assertEslintrcConfig(this); + internalSlotsMap.get(this).ruleMap.define(ruleId, rule); + } + + /** + * Defines many new linting rules. + * @param {Record} rulesToDefine map from unique rule identifier to rule + * @returns {void} + */ + defineRules(rulesToDefine) { + assertEslintrcConfig(this); + Object.getOwnPropertyNames(rulesToDefine).forEach(ruleId => { + this.defineRule(ruleId, rulesToDefine[ruleId]); + }); + } + + /** + * Gets an object with all loaded rules. + * @returns {Map} All loaded rules + */ + getRules() { + assertEslintrcConfig(this); + const { lastConfigArray, ruleMap } = internalSlotsMap.get(this); + + return new Map( + (function* () { + yield* ruleMap; + + if (lastConfigArray) { + yield* lastConfigArray.pluginRules; + } + })(), + ); + } + + /** + * Define a new parser module + * @param {string} parserId Name of the parser + * @param {Parser} parserModule The parser object + * @returns {void} + */ + defineParser(parserId, parserModule) { + assertEslintrcConfig(this); + internalSlotsMap.get(this).parserMap.set(parserId, parserModule); + } + + /** + * Performs multiple autofix passes over the text until as many fixes as possible + * have been applied. + * @param {string} text The source text to apply fixes to. + * @param {ConfigData|ConfigArray|FlatConfigArray} config The ESLint config object to use. + * @param {VerifyOptions&ProcessorOptions&FixOptions} options The ESLint options object to use. + * @returns {{fixed:boolean,messages:LintMessage[],output:string}} The result of the fix operation as returned from the + * SourceCodeFixer. + */ + verifyAndFix(text, config, options) { + let messages, + fixedResult, + fixed = false, + passNumber = 0, + currentText = text, + secondPreviousText, + previousText; + const debugTextDescription = + (options && options.filename) || `${text.slice(0, 10)}...`; + const shouldFix = + options && typeof options.fix !== "undefined" ? options.fix : true; + const stats = options?.stats; + + const slots = internalSlotsMap.get(this); + + // Remove lint times from the last run. + if (stats) { + delete slots.times; + slots.fixPasses = 0; + } + + /** + * This loop continues until one of the following is true: + * + * 1. No more fixes have been applied. + * 2. Ten passes have been made. + * + * That means anytime a fix is successfully applied, there will be another pass. + * Essentially, guaranteeing a minimum of two passes. + */ + do { + passNumber++; + let tTotal; + + if (stats) { + tTotal = startTime(); + } + + debug( + `Linting code for ${debugTextDescription} (pass ${passNumber})`, + ); + messages = this.verify(currentText, config, options); + + debug( + `Generating fixed text for ${debugTextDescription} (pass ${passNumber})`, + ); + let t; + + if (stats) { + t = startTime(); + } + + fixedResult = SourceCodeFixer.applyFixes( + currentText, + messages, + shouldFix, + ); + + if (stats) { + if (fixedResult.fixed) { + const time = endTime(t); + + storeTime(time, { type: "fix" }, slots); + slots.fixPasses++; + } else { + storeTime(0, { type: "fix" }, slots); + } + } + + /* + * stop if there are any syntax errors. + * 'fixedResult.output' is a empty string. + */ + if (messages.length === 1 && messages[0].fatal) { + break; + } + + // keep track if any fixes were ever applied - important for return value + fixed = fixed || fixedResult.fixed; + + // update to use the fixed output instead of the original text + secondPreviousText = previousText; + previousText = currentText; + currentText = fixedResult.output; + + if (stats) { + tTotal = endTime(tTotal); + const passIndex = slots.times.passes.length - 1; + + slots.times.passes[passIndex].total = tTotal; + } + + // Stop if we've made a circular fix + if ( + passNumber > 1 && + currentText.length === secondPreviousText.length && + currentText === secondPreviousText + ) { + debug( + `Circular fixes detected after pass ${passNumber}. Exiting fix loop.`, + ); + slots.warningService.emitCircularFixesWarning( + options?.filename ?? "text", + ); + break; + } + } while (fixedResult.fixed && passNumber < MAX_AUTOFIX_PASSES); + + /* + * If the last result had fixes, we need to lint again to be sure we have + * the most up-to-date information. + */ + if (fixedResult.fixed) { + let tTotal; + + if (stats) { + tTotal = startTime(); + } + + fixedResult.messages = this.verify(currentText, config, options); + + if (stats) { + storeTime(0, { type: "fix" }, slots); + slots.times.passes.at(-1).total = endTime(tTotal); + } + } + + // ensure the last result properly reflects if fixes were done + fixedResult.fixed = fixed; + fixedResult.output = currentText; + + return fixedResult; + } +} + +module.exports = { + Linter, + + /** + * Get the internal slots of a given Linter instance for tests. + * @param {Linter} instance The Linter instance to get. + * @returns {LinterInternalSlots} The internal slots. + */ + getLinterInternalSlots(instance) { + return internalSlotsMap.get(instance); + }, +}; diff --git a/module/node_modules/eslint/lib/linter/rule-fixer.js b/module/node_modules/eslint/lib/linter/rule-fixer.js new file mode 100644 index 000000000..e73dac672 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/rule-fixer.js @@ -0,0 +1,169 @@ +/** + * @fileoverview An object that creates fix commands for rules. + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** + * @import { SourceRange } from "@eslint/core"; + */ + +/* eslint class-methods-use-this: off -- Methods desired on instance */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +// none! + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Creates a fix command that inserts text at the specified index in the source text. + * @param {number} index The 0-based index at which to insert the new text. + * @param {string} text The text to insert. + * @returns {Object} The fix command. + * @private + */ +function insertTextAt(index, text) { + return { + range: [index, index], + text, + }; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Creates code fixing commands for rules. + */ +class RuleFixer { + /** + * The source code object representing the text to be fixed. + * @type {SourceCode} + */ + #sourceCode; + + /** + * Creates a new instance. + * @param {Object} options The options for the fixer. + * @param {SourceCode} options.sourceCode The source code object representing the text to be fixed. + */ + constructor({ sourceCode }) { + this.#sourceCode = sourceCode; + } + + /** + * Creates a fix command that inserts text after the given node or token. + * The fix is not applied until applyFixes() is called. + * @param {ASTNode|Token} nodeOrToken The node or token to insert after. + * @param {string} text The text to insert. + * @returns {Object} The fix command. + */ + insertTextAfter(nodeOrToken, text) { + const range = this.#sourceCode.getRange(nodeOrToken); + + return this.insertTextAfterRange(range, text); + } + + /** + * Creates a fix command that inserts text after the specified range in the source text. + * The fix is not applied until applyFixes() is called. + * @param {SourceRange} range The range to replace, first item is start of range, second + * is end of range. + * @param {string} text The text to insert. + * @returns {Object} The fix command. + */ + insertTextAfterRange(range, text) { + return insertTextAt(range[1], text); + } + + /** + * Creates a fix command that inserts text before the given node or token. + * The fix is not applied until applyFixes() is called. + * @param {ASTNode|Token} nodeOrToken The node or token to insert before. + * @param {string} text The text to insert. + * @returns {Object} The fix command. + */ + insertTextBefore(nodeOrToken, text) { + const range = this.#sourceCode.getRange(nodeOrToken); + + return this.insertTextBeforeRange(range, text); + } + + /** + * Creates a fix command that inserts text before the specified range in the source text. + * The fix is not applied until applyFixes() is called. + * @param {SourceRange} range The range to replace, first item is start of range, second + * is end of range. + * @param {string} text The text to insert. + * @returns {Object} The fix command. + */ + insertTextBeforeRange(range, text) { + return insertTextAt(range[0], text); + } + + /** + * Creates a fix command that replaces text at the node or token. + * The fix is not applied until applyFixes() is called. + * @param {ASTNode|Token} nodeOrToken The node or token to remove. + * @param {string} text The text to insert. + * @returns {Object} The fix command. + */ + replaceText(nodeOrToken, text) { + const range = this.#sourceCode.getRange(nodeOrToken); + + return this.replaceTextRange(range, text); + } + + /** + * Creates a fix command that replaces text at the specified range in the source text. + * The fix is not applied until applyFixes() is called. + * @param {SourceRange} range The range to replace, first item is start of range, second + * is end of range. + * @param {string} text The text to insert. + * @returns {Object} The fix command. + */ + replaceTextRange(range, text) { + return { + range, + text, + }; + } + + /** + * Creates a fix command that removes the node or token from the source. + * The fix is not applied until applyFixes() is called. + * @param {ASTNode|Token} nodeOrToken The node or token to remove. + * @returns {Object} The fix command. + */ + remove(nodeOrToken) { + const range = this.#sourceCode.getRange(nodeOrToken); + + return this.removeRange(range); + } + + /** + * Creates a fix command that removes the specified range of text from the source. + * The fix is not applied until applyFixes() is called. + * @param {SourceRange} range The range to remove, first item is start of range, second + * is end of range. + * @returns {Object} The fix command. + */ + removeRange(range) { + return { + range, + text: "", + }; + } +} + +module.exports = { RuleFixer }; diff --git a/module/node_modules/eslint/lib/linter/rules.js b/module/node_modules/eslint/lib/linter/rules.js new file mode 100644 index 000000000..ec017eefb --- /dev/null +++ b/module/node_modules/eslint/lib/linter/rules.js @@ -0,0 +1,71 @@ +/** + * @fileoverview Defines a storage for rules. + * @author Nicholas C. Zakas + * @author aladdin-add + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const builtInRules = require("../rules"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** @typedef {import("../types").Rule.RuleModule} Rule */ + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * A storage for rules. + */ +class Rules { + constructor() { + this._rules = Object.create(null); + } + + /** + * Registers a rule module for rule id in storage. + * @param {string} ruleId Rule id (file name). + * @param {Rule} rule Rule object. + * @returns {void} + */ + define(ruleId, rule) { + this._rules[ruleId] = rule; + } + + /** + * Access rule handler by id (file name). + * @param {string} ruleId Rule id (file name). + * @returns {Rule} Rule object. + */ + get(ruleId) { + if (typeof this._rules[ruleId] === "string") { + this.define(ruleId, require(this._rules[ruleId])); + } + if (this._rules[ruleId]) { + return this._rules[ruleId]; + } + if (builtInRules.has(ruleId)) { + return builtInRules.get(ruleId); + } + + return null; + } + + *[Symbol.iterator]() { + yield* builtInRules; + + for (const ruleId of Object.keys(this._rules)) { + yield [ruleId, this.get(ruleId)]; + } + } +} + +module.exports = Rules; diff --git a/module/node_modules/eslint/lib/linter/source-code-fixer.js b/module/node_modules/eslint/lib/linter/source-code-fixer.js new file mode 100644 index 000000000..2cea2c604 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/source-code-fixer.js @@ -0,0 +1,154 @@ +/** + * @fileoverview An object that caches and applies source code fixes. + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const debug = require("debug")("eslint:source-code-fixer"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const BOM = "\uFEFF"; + +/** + * Compares items in a messages array by range. + * @param {Message} a The first message. + * @param {Message} b The second message. + * @returns {number} -1 if a comes before b, 1 if a comes after b, 0 if equal. + * @private + */ +function compareMessagesByFixRange(a, b) { + return a.fix.range[0] - b.fix.range[0] || a.fix.range[1] - b.fix.range[1]; +} + +/** + * Compares items in a messages array by line and column. + * @param {Message} a The first message. + * @param {Message} b The second message. + * @returns {number} -1 if a comes before b, 1 if a comes after b, 0 if equal. + * @private + */ +function compareMessagesByLocation(a, b) { + return a.line - b.line || a.column - b.column; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Utility for apply fixes to source code. + * @constructor + */ +function SourceCodeFixer() { + Object.freeze(this); +} + +/** + * Applies the fixes specified by the messages to the given text. Tries to be + * smart about the fixes and won't apply fixes over the same area in the text. + * @param {string} sourceText The text to apply the changes to. + * @param {Message[]} messages The array of messages reported by ESLint. + * @param {boolean|Function} [shouldFix=true] Determines whether each message should be fixed + * @returns {Object} An object containing the fixed text and any unfixed messages. + */ +SourceCodeFixer.applyFixes = function (sourceText, messages, shouldFix) { + debug("Applying fixes"); + + if (shouldFix === false) { + debug("shouldFix parameter was false, not attempting fixes"); + return { + fixed: false, + messages, + output: sourceText, + }; + } + + // clone the array + const remainingMessages = [], + fixes = [], + bom = sourceText.startsWith(BOM) ? BOM : "", + text = bom ? sourceText.slice(1) : sourceText; + let lastPos = Number.NEGATIVE_INFINITY, + output = bom; + + /** + * Try to use the 'fix' from a problem. + * @param {Message} problem The message object to apply fixes from + * @returns {boolean} Whether fix was successfully applied + */ + function attemptFix(problem) { + const fix = problem.fix; + const start = fix.range[0]; + const end = fix.range[1]; + + // Remain it as a problem if it's overlapped or it's a negative range + if (lastPos >= start || start > end) { + remainingMessages.push(problem); + return false; + } + + // Remove BOM. + if ( + (start < 0 && end >= 0) || + (start === 0 && fix.text.startsWith(BOM)) + ) { + output = ""; + } + + // Make output to this fix. + output += text.slice(Math.max(0, lastPos), Math.max(0, start)); + output += fix.text; + lastPos = end; + return true; + } + + messages.forEach(problem => { + if (Object.hasOwn(problem, "fix") && problem.fix) { + fixes.push(problem); + } else { + remainingMessages.push(problem); + } + }); + + if (fixes.length) { + debug("Found fixes to apply"); + let fixesWereApplied = false; + + for (const problem of fixes.sort(compareMessagesByFixRange)) { + if (typeof shouldFix !== "function" || shouldFix(problem)) { + attemptFix(problem); + + /* + * The only time attemptFix will fail is if a previous fix was + * applied which conflicts with it. So we can mark this as true. + */ + fixesWereApplied = true; + } else { + remainingMessages.push(problem); + } + } + output += text.slice(Math.max(0, lastPos)); + + return { + fixed: fixesWereApplied, + messages: remainingMessages.sort(compareMessagesByLocation), + output, + }; + } + + debug("No fixes to apply"); + return { + fixed: false, + messages, + output: bom + text, + }; +}; + +module.exports = SourceCodeFixer; diff --git a/module/node_modules/eslint/lib/linter/source-code-traverser.js b/module/node_modules/eslint/lib/linter/source-code-traverser.js new file mode 100644 index 000000000..0a6235e04 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/source-code-traverser.js @@ -0,0 +1,333 @@ +/** + * @fileoverview Traverser for SourceCode objects. + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { parse, matches } = require("./esquery"); +const vk = require("eslint-visitor-keys"); + +//----------------------------------------------------------------------------- +// Typedefs +//----------------------------------------------------------------------------- + +/** + * @import { Language, SourceCode } from "@eslint/core"; + * @import { ESQueryOptions } from "esquery"; + * @import { ESQueryParsedSelector } from "./esquery.js"; + * @import { SourceCodeVisitor } from "./source-code-visitor.js"; + */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const STEP_KIND_VISIT = 1; +const STEP_KIND_CALL = 2; + +/** + * Compares two ESQuery selectors by specificity. + * @param {ESQueryParsedSelector} a The first selector to compare. + * @param {ESQueryParsedSelector} b The second selector to compare. + * @returns {number} A negative number if `a` is less specific than `b` or they are equally specific and `a` <= `b` alphabetically, a positive number if `a` is more specific than `b`. + */ +function compareSpecificity(a, b) { + return a.compare(b); +} + +/** + * Helper to wrap ESQuery operations. + */ +class ESQueryHelper { + /** + * Creates a new instance. + * @param {SourceCodeVisitor} visitor The visitor containing the functions to call. + * @param {ESQueryOptions} esqueryOptions `esquery` options for traversing custom nodes. + */ + constructor(visitor, esqueryOptions) { + /** + * The visitor to use during traversal. + * @type {SourceCodeVisitor} + */ + this.visitor = visitor; + + /** + * The options for `esquery` to use during matching. + * @type {ESQueryOptions} + */ + this.esqueryOptions = esqueryOptions; + + /** + * A map of node type to selectors targeting that node type on the + * enter phase of traversal. + * @type {Map} + */ + this.enterSelectorsByNodeType = new Map(); + + /** + * A map of node type to selectors targeting that node type on the + * exit phase of traversal. + * @type {Map} + */ + this.exitSelectorsByNodeType = new Map(); + + /** + * An array of selectors that match any node type on the + * enter phase of traversal. + * @type {ESQueryParsedSelector[]} + */ + this.anyTypeEnterSelectors = []; + + /** + * An array of selectors that match any node type on the + * exit phase of traversal. + * @type {ESQueryParsedSelector[]} + */ + this.anyTypeExitSelectors = []; + + visitor.forEachName(rawSelector => { + const selector = parse(rawSelector); + + /* + * If this selector has identified specific node types, + * add it to the map for these node types for faster lookup. + */ + if (selector.nodeTypes) { + const typeMap = selector.isExit + ? this.exitSelectorsByNodeType + : this.enterSelectorsByNodeType; + + selector.nodeTypes.forEach(nodeType => { + if (!typeMap.has(nodeType)) { + typeMap.set(nodeType, []); + } + typeMap.get(nodeType).push(selector); + }); + return; + } + + /* + * Remaining selectors are added to the "any type" selectors + * list for the appropriate phase of traversal. This ensures + * that all selectors will still be applied even if no + * specific node type is matched. + */ + const selectors = selector.isExit + ? this.anyTypeExitSelectors + : this.anyTypeEnterSelectors; + + selectors.push(selector); + }); + + // sort all selectors by specificity for prioritizing call order + this.anyTypeEnterSelectors.sort(compareSpecificity); + this.anyTypeExitSelectors.sort(compareSpecificity); + this.enterSelectorsByNodeType.forEach(selectorList => + selectorList.sort(compareSpecificity), + ); + this.exitSelectorsByNodeType.forEach(selectorList => + selectorList.sort(compareSpecificity), + ); + } + + /** + * Checks if a node matches a given selector. + * @param {ASTNode} node The node to check + * @param {ASTNode[]} ancestry The ancestry of the node being checked. + * @param {ESQueryParsedSelector} selector An AST selector descriptor + * @returns {boolean} `true` if the selector matches the node, `false` otherwise + */ + matches(node, ancestry, selector) { + return matches(node, selector.root, ancestry, this.esqueryOptions); + } + + /** + * Calculates all appropriate selectors to a node, in specificity order + * @param {ASTNode} node The node to check + * @param {ASTNode[]} ancestry The ancestry of the node being checked. + * @param {boolean} isExit `false` if the node is currently being entered, `true` if it's currently being exited + * @returns {string[]} An array of selectors that match the node. + */ + calculateSelectors(node, ancestry, isExit) { + const nodeTypeKey = this.esqueryOptions?.nodeTypeKey || "type"; + const selectors = []; + + /* + * Get the selectors that may match this node. First, check + * to see if the node type has specific selectors, + * then gather the "any type" selectors. + */ + const selectorsByNodeType = + (isExit + ? this.exitSelectorsByNodeType + : this.enterSelectorsByNodeType + ).get(node[nodeTypeKey]) || []; + const anyTypeSelectors = isExit + ? this.anyTypeExitSelectors + : this.anyTypeEnterSelectors; + + /* + * selectorsByNodeType and anyTypeSelectors were already sorted by specificity in the constructor. + * Iterate through each of them, applying selectors in the right order. + */ + let selectorsByNodeTypeIndex = 0; + let anyTypeSelectorsIndex = 0; + + while ( + selectorsByNodeTypeIndex < selectorsByNodeType.length || + anyTypeSelectorsIndex < anyTypeSelectors.length + ) { + /* + * If we've already exhausted the selectors for this node type, + * or if the next any type selector is more specific than the + * next selector for this node type, apply the any type selector. + */ + const hasMoreNodeTypeSelectors = + selectorsByNodeTypeIndex < selectorsByNodeType.length; + const hasMoreAnyTypeSelectors = + anyTypeSelectorsIndex < anyTypeSelectors.length; + const anyTypeSelector = anyTypeSelectors[anyTypeSelectorsIndex]; + const nodeTypeSelector = + selectorsByNodeType[selectorsByNodeTypeIndex]; + + // Only compare specificity if both selectors exist + const isAnyTypeSelectorLessSpecific = + hasMoreAnyTypeSelectors && + hasMoreNodeTypeSelectors && + anyTypeSelector.compare(nodeTypeSelector) < 0; + + if (!hasMoreNodeTypeSelectors || isAnyTypeSelectorLessSpecific) { + anyTypeSelectorsIndex++; + + if (this.matches(node, ancestry, anyTypeSelector)) { + selectors.push(anyTypeSelector.source); + } + } else { + selectorsByNodeTypeIndex++; + + if (this.matches(node, ancestry, nodeTypeSelector)) { + selectors.push(nodeTypeSelector.source); + } + } + } + + return selectors; + } +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Traverses source code and ensures that visitor methods are called when + * entering and leaving each node. + */ +class SourceCodeTraverser { + /** + * The language of the source code being traversed. + * @type {Language} + */ + #language; + + /** + * Map of languages to instances of this class. + * @type {WeakMap} + */ + static instances = new WeakMap(); + + /** + * Creates a new instance. + * @param {Language} language The language of the source code being traversed. + */ + constructor(language) { + this.#language = language; + } + + static getInstance(language) { + if (!this.instances.has(language)) { + this.instances.set(language, new this(language)); + } + + return this.instances.get(language); + } + + /** + * Traverses the given source code synchronously. + * @param {SourceCode} sourceCode The source code to traverse. + * @param {SourceCodeVisitor} visitor The emitter to use for events. + * @param {Object} options Options for traversal. + * @param {ReturnType} options.steps The steps to take during traversal. + * @returns {void} + * @throws {Error} If an error occurs during traversal. + */ + traverseSync(sourceCode, visitor, { steps } = {}) { + const esquery = new ESQueryHelper(visitor, { + visitorKeys: sourceCode.visitorKeys ?? this.#language.visitorKeys, + fallback: vk.getKeys, + matchClass: this.#language.matchesSelectorClass ?? (() => false), + nodeTypeKey: this.#language.nodeTypeKey, + }); + + const currentAncestry = []; + + for (const step of steps ?? sourceCode.traverse()) { + switch (step.kind) { + case STEP_KIND_VISIT: { + try { + if (step.phase === 1) { + esquery + .calculateSelectors( + step.target, + currentAncestry, + false, + ) + .forEach(selector => { + visitor.callSync( + selector, + ...(step.args ?? [step.target]), + ); + }); + currentAncestry.unshift(step.target); + } else { + currentAncestry.shift(); + esquery + .calculateSelectors( + step.target, + currentAncestry, + true, + ) + .forEach(selector => { + visitor.callSync( + selector, + ...(step.args ?? [step.target]), + ); + }); + } + } catch (err) { + err.currentNode = step.target; + throw err; + } + break; + } + + case STEP_KIND_CALL: { + visitor.callSync(step.target, ...step.args); + break; + } + + default: + throw new Error( + `Invalid traversal step found: "${step.kind}".`, + ); + } + } + } +} + +module.exports = { SourceCodeTraverser }; diff --git a/module/node_modules/eslint/lib/linter/source-code-visitor.js b/module/node_modules/eslint/lib/linter/source-code-visitor.js new file mode 100644 index 000000000..0f5af5658 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/source-code-visitor.js @@ -0,0 +1,81 @@ +/** + * @fileoverview SourceCodeVisitor class + * @author Nicholas C. Zakas + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const emptyArray = Object.freeze([]); + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * A structure to hold a list of functions to call for a given name. + * This is used to allow multiple rules to register functions for a given name + * without having to know about each other. + */ +class SourceCodeVisitor { + /** + * The functions to call for a given name. + * @type {Map} + */ + #functions = new Map(); + + /** + * Adds a function to the list of functions to call for a given name. + * @param {string} name The name of the function to call. + * @param {Function} func The function to call. + * @returns {void} + */ + add(name, func) { + if (this.#functions.has(name)) { + this.#functions.get(name).push(func); + } else { + this.#functions.set(name, [func]); + } + } + + /** + * Gets the list of functions to call for a given name. + * @param {string} name The name of the function to call. + * @returns {Function[]} The list of functions to call. + */ + get(name) { + if (this.#functions.has(name)) { + return this.#functions.get(name); + } + + return emptyArray; + } + + /** + * Iterates over all names and calls the callback with the name. + * @param {(name:string) => void} callback The callback to call for each name. + * @returns {void} + */ + forEachName(callback) { + this.#functions.forEach((funcs, name) => { + callback(name); + }); + } + + /** + * Calls the functions for a given name with the given arguments. + * @param {string} name The name of the function to call. + * @param {any[]} args The arguments to pass to the function. + * @returns {void} + */ + callSync(name, ...args) { + if (this.#functions.has(name)) { + this.#functions.get(name).forEach(func => func(...args)); + } + } +} + +module.exports = { SourceCodeVisitor }; diff --git a/module/node_modules/eslint/lib/linter/timing.js b/module/node_modules/eslint/lib/linter/timing.js new file mode 100644 index 000000000..1791f8fdf --- /dev/null +++ b/module/node_modules/eslint/lib/linter/timing.js @@ -0,0 +1,209 @@ +/** + * @fileoverview Tracks performance of individual rules. + * @author Brandon Mills + */ + +"use strict"; + +const { startTime, endTime } = require("../shared/stats"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/* c8 ignore next */ +/** + * Align the string to left + * @param {string} str string to evaluate + * @param {number} len length of the string + * @param {string} ch delimiter character + * @returns {string} modified string + * @private + */ +function alignLeft(str, len, ch) { + return str + new Array(len - str.length + 1).join(ch || " "); +} + +/* c8 ignore next */ +/** + * Align the string to right + * @param {string} str string to evaluate + * @param {number} len length of the string + * @param {string} ch delimiter character + * @returns {string} modified string + * @private + */ +function alignRight(str, len, ch) { + return new Array(len - str.length + 1).join(ch || " ") + str; +} + +//------------------------------------------------------------------------------ +// Module definition +//------------------------------------------------------------------------------ + +const enabled = !!process.env.TIMING; + +const HEADERS = ["Rule", "Time (ms)", "Relative"]; +const ALIGN = [alignLeft, alignRight, alignRight]; + +/** + * Decide how many rules to show in the output list. + * @returns {number} the number of rules to show + */ +function getListSize() { + const MINIMUM_SIZE = 10; + + if (typeof process.env.TIMING !== "string") { + return MINIMUM_SIZE; + } + + if (process.env.TIMING.toLowerCase() === "all") { + return Number.POSITIVE_INFINITY; + } + + const TIMING_ENV_VAR_AS_INTEGER = Number.parseInt(process.env.TIMING, 10); + + return TIMING_ENV_VAR_AS_INTEGER > 10 + ? TIMING_ENV_VAR_AS_INTEGER + : MINIMUM_SIZE; +} + +/* c8 ignore next */ +/** + * display the data + * @param {Object} data Data object to be displayed + * @returns {void} prints modified string with console.log + * @private + */ +function display(data) { + let total = 0; + const rows = Object.keys(data) + .map(key => { + const time = data[key]; + + total += time; + return [key, time]; + }) + .sort((a, b) => b[1] - a[1]) + .slice(0, getListSize()); + + rows.forEach(row => { + row.push(`${((row[1] * 100) / total).toFixed(1)}%`); + row[1] = row[1].toFixed(3); + }); + + rows.unshift(HEADERS); + + const widths = []; + + rows.forEach(row => { + const len = row.length; + + for (let i = 0; i < len; i++) { + const n = row[i].length; + + if (!widths[i] || n > widths[i]) { + widths[i] = n; + } + } + }); + + const table = rows.map(row => + row.map((cell, index) => ALIGN[index](cell, widths[index])).join(" | "), + ); + + table.splice( + 1, + 0, + widths + .map((width, index) => { + const extraAlignment = + index !== 0 && index !== widths.length - 1 ? 2 : 1; + + return ALIGN[index](":", width + extraAlignment, "-"); + }) + .join("|"), + ); + + console.log(table.join("\n")); // eslint-disable-line no-console -- Debugging function +} + +/* c8 ignore next */ +module.exports = (function () { + const data = Object.create(null); + let displayEnabled = true; + + /** + * Time the run + * @param {any} key key from the data object + * @param {Function} fn function to be called + * @param {boolean} stats if 'stats' is true, return the result and the time difference + * @returns {Function} function to be executed + * @private + */ + function time(key, fn, stats) { + return function (...args) { + const t = startTime(); + const result = fn(...args); + const tdiff = endTime(t); + + if (enabled) { + if (typeof data[key] === "undefined") { + data[key] = 0; + } + + data[key] += tdiff; + } + + return stats ? { result, tdiff } : result; + }; + } + + /** + * Returns a shallow copy of the collected timings data. + * @returns {Record} mapping of ruleId to total time in ms + */ + function getData() { + return { ...data }; + } + + /** + * Merges rule timing totals collected elsewhere into this process' totals. + * @param {Record} dataToMerge mapping of ruleId to total time in ms + * @returns {void} + */ + function mergeData(dataToMerge) { + for (const [key, value] of Object.entries(dataToMerge)) { + if (typeof data[key] === "undefined") { + data[key] = 0; + } + data[key] += value; + } + } + + /** + * Disables printing of timing data on process exit. + * Intended for worker threads or non-main contexts. + * @returns {void} + */ + function disableDisplay() { + displayEnabled = false; + } + + if (enabled) { + process.on("exit", () => { + if (displayEnabled && Object.keys(data).length > 0) { + display(data); + } + }); + } + + return { + time, + enabled, + getListSize, + getData, + mergeData, + disableDisplay, + }; +})(); diff --git a/module/node_modules/eslint/lib/linter/vfile.js b/module/node_modules/eslint/lib/linter/vfile.js new file mode 100644 index 000000000..4bdbf9912 --- /dev/null +++ b/module/node_modules/eslint/lib/linter/vfile.js @@ -0,0 +1,115 @@ +/** + * @fileoverview Virtual file + * @author Nicholas C. Zakas + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + +/** @typedef {import("@eslint/core").File} File */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines if a given value has a byte order mark (BOM). + * @param {string|Uint8Array} value The value to check. + * @returns {boolean} `true` if the value has a BOM, `false` otherwise. + */ +function hasUnicodeBOM(value) { + return typeof value === "string" + ? value.charCodeAt(0) === 0xfeff + : value[0] === 0xef && value[1] === 0xbb && value[2] === 0xbf; +} + +/** + * Strips Unicode BOM from the given value. + * @param {string|Uint8Array} value The value to remove the BOM from. + * @returns {string|Uint8Array} The stripped value. + */ +function stripUnicodeBOM(value) { + if (!hasUnicodeBOM(value)) { + return value; + } + + if (typeof value === "string") { + /* + * Check Unicode BOM. + * In JavaScript, string data is stored as UTF-16, so BOM is 0xFEFF. + * http://www.ecma-international.org/ecma-262/6.0/#sec-unicode-format-control-characters + */ + return value.slice(1); + } + + /* + * In a Uint8Array, the BOM is represented by three bytes: 0xEF, 0xBB, and 0xBF, + * so we can just remove the first three bytes. + */ + return value.slice(3); +} + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * Represents a virtual file inside of ESLint. + * @implements {File} + */ +class VFile { + /** + * The file path including any processor-created virtual path. + * @type {string} + * @readonly + */ + path; + + /** + * The file path on disk. + * @type {string} + * @readonly + */ + physicalPath; + + /** + * The file contents. + * @type {string|Uint8Array} + * @readonly + */ + body; + + /** + * The raw body of the file, including a BOM if present. + * @type {string|Uint8Array} + * @readonly + */ + rawBody; + + /** + * Indicates whether the file has a byte order mark (BOM). + * @type {boolean} + * @readonly + */ + bom; + + /** + * Creates a new instance. + * @param {string} path The file path. + * @param {string|Uint8Array} body The file contents. + * @param {Object} [options] Additional options. + * @param {string} [options.physicalPath] The file path on disk. + */ + constructor(path, body, { physicalPath } = {}) { + this.path = path; + this.physicalPath = physicalPath ?? path; + this.bom = hasUnicodeBOM(body); + this.body = stripUnicodeBOM(body); + this.rawBody = body; + } +} + +module.exports = { VFile }; diff --git a/module/node_modules/eslint/lib/options.js b/module/node_modules/eslint/lib/options.js new file mode 100644 index 000000000..71365eb16 --- /dev/null +++ b/module/node_modules/eslint/lib/options.js @@ -0,0 +1,536 @@ +/** + * @fileoverview Options configuration for optionator. + * @author George Zahariev + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const optionator = require("optionator"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** + * The options object parsed by Optionator. + * @typedef {Object} ParsedCLIOptions + * @property {boolean} cache Only check changed files + * @property {string} cacheFile Path to the cache file. Deprecated: use --cache-location + * @property {string} [cacheLocation] Path to the cache file or directory + * @property {"metadata" | "content"} cacheStrategy Strategy to use for detecting changed files in the cache + * @property {boolean} [color] Force enabling/disabling of color + * @property {number | "auto" | "off"} [concurrency] Number of linting threads, "auto" to choose automatically, "off" for no multithreading + * @property {string} [config] Use this configuration, overriding .eslintrc.* config options if present + * @property {boolean} debug Output debugging information + * @property {string[]} [env] Specify environments + * @property {boolean} envInfo Output execution environment information + * @property {boolean} errorOnUnmatchedPattern Prevent errors when pattern is unmatched + * @property {boolean} eslintrc Disable use of configuration from .eslintrc.* + * @property {string[]} [ext] Specify JavaScript file extensions + * @property {string[]} [flag] Feature flags + * @property {boolean} fix Automatically fix problems + * @property {boolean} fixDryRun Automatically fix problems without saving the changes to the file system + * @property {("directive" | "problem" | "suggestion" | "layout")[]} [fixType] Specify the types of fixes to apply (directive, problem, suggestion, layout) + * @property {string} format Use a specific output format + * @property {string[]} [global] Define global variables + * @property {boolean} [help] Show help + * @property {boolean} ignore Disable use of ignore files and patterns + * @property {string} [ignorePath] Specify path of ignore file + * @property {string[]} [ignorePattern] Patterns of files to ignore. In eslintrc mode, these are in addition to `.eslintignore` + * @property {boolean} init Run config initialization wizard + * @property {boolean} inlineConfig Prevent comments from changing config or rules + * @property {number} maxWarnings Number of warnings to trigger nonzero exit code + * @property {string} [outputFile] Specify file to write report to + * @property {string} [parser] Specify the parser to be used + * @property {Object} [parserOptions] Specify parser options + * @property {boolean} [passOnNoPatterns=false] When set to true, missing patterns cause + * the linting operation to short circuit and not report any failures. + * @property {boolean} [passOnUnprunedSuppressions] Ignore unused suppressions + * @property {string[]} [plugin] Specify plugins + * @property {string} [printConfig] Print the configuration for the given file + * @property {boolean} [pruneSuppressions] Prune unused suppressions + * @property {boolean} quiet Report errors only + * @property {boolean | undefined} reportUnusedDisableDirectives Adds reported errors for unused eslint-disable and eslint-enable directives + * @property {string | undefined} reportUnusedDisableDirectivesSeverity A severity string indicating if and how unused disable and enable directives should be tracked and reported. + * @property {string} [resolvePluginsRelativeTo] A folder where plugins should be resolved from, CWD by default + * @property {Object} [rule] Specify rules + * @property {string[]} [rulesdir] Load additional rules from this directory. Deprecated: Use rules from plugins + * @property {boolean} [stats] Report additional statistics + * @property {boolean} stdin Lint code provided on + * @property {string} [stdinFilename] Specify filename to process STDIN as + * @property {boolean} [suppressAll] Suppress all error violations + * @property {string} [suppressionsLocation] Path to the suppressions file or directory + * @property {string[]} [suppressRule] Suppress specific rules + * @property {boolean} [version] Output the version number + * @property {boolean} warnIgnored Show warnings when the file list includes ignored files + * @property {string[]} _ Positional filenames or patterns + */ + +//------------------------------------------------------------------------------ +// Initialization and Public Interface +//------------------------------------------------------------------------------ + +// exports "parse(args)", "generateHelp()", and "generateHelpForOption(optionName)" + +/** + * Creates the CLI options for ESLint. + * @param {boolean} usingFlatConfig Indicates if flat config is being used. + * @returns {Object} The optionator instance. + */ +module.exports = function (usingFlatConfig) { + let lookupFlag; + + if (usingFlatConfig) { + lookupFlag = { + option: "config-lookup", + type: "Boolean", + default: "true", + description: "Disable look up for eslint.config.js", + }; + } else { + lookupFlag = { + option: "eslintrc", + type: "Boolean", + default: "true", + description: "Disable use of configuration from .eslintrc.*", + }; + } + + let envFlag; + + if (!usingFlatConfig) { + envFlag = { + option: "env", + type: "[String]", + description: "Specify environments", + }; + } + + let inspectConfigFlag; + + if (usingFlatConfig) { + inspectConfigFlag = { + option: "inspect-config", + type: "Boolean", + description: + "Open the config inspector with the current configuration", + }; + } + + let extFlag; + + if (!usingFlatConfig) { + extFlag = { + option: "ext", + type: "[String]", + description: "Specify JavaScript file extensions", + }; + } else { + extFlag = { + option: "ext", + type: "[String]", + description: "Specify additional file extensions to lint", + }; + } + + let resolvePluginsFlag; + + if (!usingFlatConfig) { + resolvePluginsFlag = { + option: "resolve-plugins-relative-to", + type: "path::String", + description: + "A folder where plugins should be resolved from, CWD by default", + }; + } + + let rulesDirFlag; + + if (!usingFlatConfig) { + rulesDirFlag = { + option: "rulesdir", + type: "[path::String]", + description: + "Load additional rules from this directory. Deprecated: Use rules from plugins", + }; + } + + let ignorePathFlag; + + if (!usingFlatConfig) { + ignorePathFlag = { + option: "ignore-path", + type: "path::String", + description: "Specify path of ignore file", + }; + } + + let statsFlag; + + if (usingFlatConfig) { + statsFlag = { + option: "stats", + type: "Boolean", + default: "false", + description: "Add statistics to the lint report", + }; + } + + let warnIgnoredFlag; + + if (usingFlatConfig) { + warnIgnoredFlag = { + option: "warn-ignored", + type: "Boolean", + default: "true", + description: + "Suppress warnings when the file list includes ignored files", + }; + } + + let flagFlag; + + if (usingFlatConfig) { + flagFlag = { + option: "flag", + type: "[String]", + description: "Enable a feature flag", + }; + } + + let reportUnusedInlineConfigsFlag; + + if (usingFlatConfig) { + reportUnusedInlineConfigsFlag = { + option: "report-unused-inline-configs", + type: "String", + default: void 0, + description: + "Adds reported errors for unused eslint inline config comments", + enum: ["off", "warn", "error", "0", "1", "2"], + }; + } + + let mcpFlag; + + if (usingFlatConfig) { + mcpFlag = { + option: "mcp", + type: "Boolean", + description: "Start the ESLint MCP server", + }; + } + + let concurrencyFlag; + + if (usingFlatConfig) { + concurrencyFlag = { + option: "concurrency", + type: "Int|String", + default: "off", + description: + "Number of linting threads, auto to choose automatically, off for no multithreading", + }; + } + + return optionator({ + prepend: "eslint [options] file.js [file.js] [dir]", + defaults: { + concatRepeatedArrays: true, + mergeRepeatedObjects: true, + }, + options: [ + { + heading: "Basic configuration", + }, + lookupFlag, + { + option: "config", + alias: "c", + type: "path::String", + description: usingFlatConfig + ? "Use this configuration instead of eslint.config.js, eslint.config.mjs, or eslint.config.cjs" + : "Use this configuration, overriding .eslintrc.* config options if present", + }, + inspectConfigFlag, + envFlag, + extFlag, + { + option: "global", + type: "[String]", + description: "Define global variables", + }, + { + option: "parser", + type: "String", + description: "Specify the parser to be used", + }, + { + option: "parser-options", + type: "Object", + description: "Specify parser options", + }, + resolvePluginsFlag, + { + heading: "Specify Rules and Plugins", + }, + { + option: "plugin", + type: "[String]", + description: "Specify plugins", + }, + { + option: "rule", + type: "Object", + description: "Specify rules", + }, + rulesDirFlag, + { + heading: "Fix Problems", + }, + { + option: "fix", + type: "Boolean", + default: false, + description: "Automatically fix problems", + }, + { + option: "fix-dry-run", + type: "Boolean", + default: false, + description: + "Automatically fix problems without saving the changes to the file system", + }, + { + option: "fix-type", + type: "Array", + description: + "Specify the types of fixes to apply (directive, problem, suggestion, layout)", + }, + { + heading: "Ignore Files", + }, + ignorePathFlag, + { + option: "ignore", + type: "Boolean", + default: "true", + description: "Disable use of ignore files and patterns", + }, + { + option: "ignore-pattern", + type: "[String]", + description: `Patterns of files to ignore${usingFlatConfig ? "" : " (in addition to those in .eslintignore)"}`, + concatRepeatedArrays: [ + true, + { + oneValuePerFlag: true, + }, + ], + }, + { + heading: "Use stdin", + }, + { + option: "stdin", + type: "Boolean", + default: "false", + description: "Lint code provided on ", + }, + { + option: "stdin-filename", + type: "String", + description: "Specify filename to process STDIN as", + }, + { + heading: "Handle Warnings", + }, + { + option: "quiet", + type: "Boolean", + default: "false", + description: "Report errors only", + }, + { + option: "max-warnings", + type: "Int", + default: "-1", + description: "Number of warnings to trigger nonzero exit code", + }, + { + heading: "Output", + }, + { + option: "output-file", + alias: "o", + type: "path::String", + description: "Specify file to write report to", + }, + { + option: "format", + alias: "f", + type: "String", + default: "stylish", + description: "Use a specific output format", + }, + { + option: "color", + type: "Boolean", + alias: "no-color", + description: "Force enabling/disabling of color", + }, + { + heading: "Inline configuration comments", + }, + { + option: "inline-config", + type: "Boolean", + default: "true", + description: "Prevent comments from changing config or rules", + }, + { + option: "report-unused-disable-directives", + type: "Boolean", + default: void 0, + description: + "Adds reported errors for unused eslint-disable and eslint-enable directives", + }, + { + option: "report-unused-disable-directives-severity", + type: "String", + default: void 0, + description: + "Chooses severity level for reporting unused eslint-disable and eslint-enable directives", + enum: ["off", "warn", "error", "0", "1", "2"], + }, + reportUnusedInlineConfigsFlag, + { + heading: "Caching", + }, + { + option: "cache", + type: "Boolean", + default: "false", + description: "Only check changed files", + }, + { + option: "cache-file", + type: "path::String", + default: ".eslintcache", + description: + "Path to the cache file. Deprecated: use --cache-location", + }, + { + option: "cache-location", + type: "path::String", + description: "Path to the cache file or directory", + }, + { + option: "cache-strategy", + dependsOn: ["cache"], + type: "String", + default: "metadata", + enum: ["metadata", "content"], + description: + "Strategy to use for detecting changed files in the cache", + }, + { + heading: "Suppressing Violations", + }, + { + option: "suppress-all", + type: "Boolean", + default: "false", + description: "Suppress all violations", + }, + { + option: "suppress-rule", + type: "[String]", + description: "Suppress specific rules", + }, + { + option: "suppressions-location", + type: "path::String", + description: "Specify the location of the suppressions file", + }, + { + option: "prune-suppressions", + type: "Boolean", + default: "false", + description: "Prune unused suppressions", + }, + { + option: "pass-on-unpruned-suppressions", + type: "Boolean", + default: "false", + description: "Ignore unused suppressions", + }, + { + heading: "Miscellaneous", + }, + { + option: "init", + type: "Boolean", + default: "false", + description: "Run config initialization wizard", + }, + { + option: "env-info", + type: "Boolean", + default: "false", + description: "Output execution environment information", + }, + { + option: "error-on-unmatched-pattern", + type: "Boolean", + default: "true", + description: "Prevent errors when pattern is unmatched", + }, + { + option: "exit-on-fatal-error", + type: "Boolean", + default: "false", + description: "Exit with exit code 2 in case of fatal error", + }, + warnIgnoredFlag, + { + option: "pass-on-no-patterns", + type: "Boolean", + default: false, + description: + "Exit with exit code 0 in case no file patterns are passed", + }, + { + option: "debug", + type: "Boolean", + default: false, + description: "Output debugging information", + }, + { + option: "help", + alias: "h", + type: "Boolean", + description: "Show help", + }, + { + option: "version", + alias: "v", + type: "Boolean", + description: "Output the version number", + }, + { + option: "print-config", + type: "path::String", + description: "Print the configuration for the given file", + }, + statsFlag, + flagFlag, + mcpFlag, + concurrencyFlag, + ].filter(value => !!value), + }); +}; diff --git a/module/node_modules/eslint/lib/rule-tester/index.js b/module/node_modules/eslint/lib/rule-tester/index.js new file mode 100644 index 000000000..4fa651eb8 --- /dev/null +++ b/module/node_modules/eslint/lib/rule-tester/index.js @@ -0,0 +1,7 @@ +"use strict"; + +const RuleTester = require("./rule-tester"); + +module.exports = { + RuleTester, +}; diff --git a/module/node_modules/eslint/lib/rule-tester/rule-tester.js b/module/node_modules/eslint/lib/rule-tester/rule-tester.js new file mode 100644 index 000000000..0085cd6bc --- /dev/null +++ b/module/node_modules/eslint/lib/rule-tester/rule-tester.js @@ -0,0 +1,1579 @@ +/** + * @fileoverview Mocha/Jest test wrapper + * @author Ilya Volodin + */ +"use strict"; + +/* globals describe, it -- Mocha globals */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const assert = require("node:assert"), + util = require("node:util"), + path = require("node:path"), + equal = require("fast-deep-equal"), + Traverser = require("../shared/traverser"), + { Config } = require("../config/config"), + { Linter, SourceCodeFixer } = require("../linter"), + { interpolate, getPlaceholderMatcher } = require("../linter/interpolate"), + stringify = require("json-stable-stringify-without-jsonify"); + +const { FlatConfigArray } = require("../config/flat-config-array"); +const { + defaultConfig, + defaultRuleTesterConfig, +} = require("../config/default-config"); + +const ajv = require("../shared/ajv")({ strictDefaults: true }); + +const parserSymbol = Symbol.for("eslint.RuleTester.parser"); +const { ConfigArraySymbol } = require("@eslint/config-array"); +const { isSerializable } = require("../shared/serialization"); + +const jslang = require("../languages/js"); +const { SourceCode } = require("../languages/js/source-code"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** @import { LanguageOptions, RuleDefinition } from "@eslint/core" */ + +/** @typedef {import("../types").Linter.Parser} Parser */ + +/** + * A test case that is expected to pass lint. + * @typedef {Object} ValidTestCase + * @property {string} [name] Name for the test case. + * @property {string} code Code for the test case. + * @property {any[]} [options] Options for the test case. + * @property {Function} [before] Function to execute before testing the case. + * @property {Function} [after] Function to execute after testing the case regardless of its result. + * @property {LanguageOptions} [languageOptions] The language options to use in the test case. + * @property {{ [name: string]: any }} [settings] Settings for the test case. + * @property {string} [filename] The fake filename for the test case. Useful for rules that make assertion about filenames. + * @property {boolean} [only] Run only this test case or the subset of test cases with this property. + */ + +/** + * A test case that is expected to fail lint. + * @typedef {Object} InvalidTestCase + * @property {string} [name] Name for the test case. + * @property {string} code Code for the test case. + * @property {number | Array} errors Expected errors. + * @property {string | null} [output] The expected code after autofixes are applied. If set to `null`, the test runner will assert that no autofix is suggested. + * @property {any[]} [options] Options for the test case. + * @property {Function} [before] Function to execute before testing the case. + * @property {Function} [after] Function to execute after testing the case regardless of its result. + * @property {{ [name: string]: any }} [settings] Settings for the test case. + * @property {string} [filename] The fake filename for the test case. Useful for rules that make assertion about filenames. + * @property {LanguageOptions} [languageOptions] The language options to use in the test case. + * @property {boolean} [only] Run only this test case or the subset of test cases with this property. + */ + +/** + * A description of a reported error used in a rule tester test. + * @typedef {Object} TestCaseError + * @property {string | RegExp} [message] Message. + * @property {string} [messageId] Message ID. + * @property {string} [type] The type of the reported AST node. + * @property {{ [name: string]: string }} [data] The data used to fill the message template. + * @property {number} [line] The 1-based line number of the reported start location. + * @property {number} [column] The 1-based column number of the reported start location. + * @property {number} [endLine] The 1-based line number of the reported end location. + * @property {number} [endColumn] The 1-based column number of the reported end location. + */ + +//------------------------------------------------------------------------------ +// Private Members +//------------------------------------------------------------------------------ + +/* + * testerDefaultConfig must not be modified as it allows to reset the tester to + * the initial default configuration + */ +const testerDefaultConfig = { rules: {} }; + +/* + * RuleTester uses this config as its default. This can be overwritten via + * setDefaultConfig(). + */ +let sharedDefaultConfig = { rules: {} }; + +/* + * List every parameters possible on a test case that are not related to eslint + * configuration + */ +const RuleTesterParameters = [ + "name", + "code", + "filename", + "options", + "before", + "after", + "errors", + "output", + "only", +]; + +/* + * All allowed property names in error objects. + */ +const errorObjectParameters = new Set([ + "message", + "messageId", + "data", + "type", + "line", + "column", + "endLine", + "endColumn", + "suggestions", +]); +const friendlyErrorObjectParameterList = `[${[...errorObjectParameters].map(key => `'${key}'`).join(", ")}]`; + +/* + * All allowed property names in suggestion objects. + */ +const suggestionObjectParameters = new Set([ + "desc", + "messageId", + "data", + "output", +]); +const friendlySuggestionObjectParameterList = `[${[...suggestionObjectParameters].map(key => `'${key}'`).join(", ")}]`; + +/* + * Ignored test case properties when checking for test case duplicates. + */ +const duplicationIgnoredParameters = new Set(["name", "errors", "output"]); + +const forbiddenMethods = [ + "applyInlineConfig", + "applyLanguageOptions", + "finalize", +]; + +/** @type {Map} */ +const forbiddenMethodCalls = new Map( + forbiddenMethods.map(methodName => [methodName, new WeakSet()]), +); + +const hasOwnProperty = Function.call.bind(Object.hasOwnProperty); + +/** + * Clones a given value deeply. + * Note: This ignores `parent` property. + * @param {any} x A value to clone. + * @returns {any} A cloned value. + */ +function cloneDeeplyExcludesParent(x) { + if (typeof x === "object" && x !== null) { + if (Array.isArray(x)) { + return x.map(cloneDeeplyExcludesParent); + } + + const retv = {}; + + for (const key in x) { + if (key !== "parent" && hasOwnProperty(x, key)) { + retv[key] = cloneDeeplyExcludesParent(x[key]); + } + } + + return retv; + } + + return x; +} + +/** + * Freezes a given value deeply. + * @param {any} x A value to freeze. + * @param {Set} seenObjects Objects already seen during the traversal. + * @returns {void} + */ +function freezeDeeply(x, seenObjects = new Set()) { + if (typeof x === "object" && x !== null) { + if (seenObjects.has(x)) { + return; // skip to avoid infinite recursion + } + seenObjects.add(x); + + if (Array.isArray(x)) { + x.forEach(element => { + freezeDeeply(element, seenObjects); + }); + } else { + for (const key in x) { + if (key !== "parent" && hasOwnProperty(x, key)) { + freezeDeeply(x[key], seenObjects); + } + } + } + Object.freeze(x); + } +} + +/** + * Replace control characters by `\u00xx` form. + * @param {string} text The text to sanitize. + * @returns {string} The sanitized text. + */ +function sanitize(text) { + if (typeof text !== "string") { + return ""; + } + return text.replace( + /[\u0000-\u0009\u000b-\u001a]/gu, // eslint-disable-line no-control-regex -- Escaping controls + c => `\\u${c.codePointAt(0).toString(16).padStart(4, "0")}`, + ); +} + +/** + * Define `start`/`end` properties as throwing error. + * @param {string} objName Object name used for error messages. + * @param {ASTNode} node The node to define. + * @returns {void} + */ +function defineStartEndAsError(objName, node) { + Object.defineProperties(node, { + start: { + get() { + throw new Error( + `Use ${objName}.range[0] instead of ${objName}.start`, + ); + }, + configurable: true, + enumerable: false, + }, + end: { + get() { + throw new Error( + `Use ${objName}.range[1] instead of ${objName}.end`, + ); + }, + configurable: true, + enumerable: false, + }, + }); +} + +/** + * Define `start`/`end` properties of all nodes of the given AST as throwing error. + * @param {ASTNode} ast The root node to errorize `start`/`end` properties. + * @param {Object} [visitorKeys] Visitor keys to be used for traversing the given ast. + * @returns {void} + */ +function defineStartEndAsErrorInTree(ast, visitorKeys) { + Traverser.traverse(ast, { + visitorKeys, + enter: defineStartEndAsError.bind(null, "node"), + }); + ast.tokens.forEach(defineStartEndAsError.bind(null, "token")); + ast.comments.forEach(defineStartEndAsError.bind(null, "token")); +} + +/** + * Wraps the given parser in order to intercept and modify return values from the `parse` and `parseForESLint` methods, for test purposes. + * In particular, to modify ast nodes, tokens and comments to throw on access to their `start` and `end` properties. + * @param {Parser} parser Parser object. + * @returns {Parser} Wrapped parser object. + */ +function wrapParser(parser) { + if (typeof parser.parseForESLint === "function") { + return { + [parserSymbol]: parser, + parseForESLint(...args) { + const ret = parser.parseForESLint(...args); + + defineStartEndAsErrorInTree(ret.ast, ret.visitorKeys); + return ret; + }, + }; + } + + return { + [parserSymbol]: parser, + parse(...args) { + const ast = parser.parse(...args); + + defineStartEndAsErrorInTree(ast); + return ast; + }, + }; +} + +/** + * Function to replace forbidden `SourceCode` methods. Allows just one call per method. + * @param {string} methodName The name of the method to forbid. + * @param {Function} prototype The prototype with the original method to call. + * @returns {Function} The function that throws the error. + */ +function throwForbiddenMethodError(methodName, prototype) { + const original = prototype[methodName]; + + return function (...args) { + const called = forbiddenMethodCalls.get(methodName); + + /* eslint-disable no-invalid-this -- needed to operate as a method. */ + if (!called.has(this)) { + called.add(this); + + return original.apply(this, args); + } + /* eslint-enable no-invalid-this -- not needed past this point */ + + throw new Error( + `\`SourceCode#${methodName}()\` cannot be called inside a rule.`, + ); + }; +} + +/** + * Extracts names of {{ placeholders }} from the reported message. + * @param {string} message Reported message + * @returns {string[]} Array of placeholder names + */ +function getMessagePlaceholders(message) { + const matcher = getPlaceholderMatcher(); + + return Array.from(message.matchAll(matcher), ([, name]) => name.trim()); +} + +/** + * Returns the placeholders in the reported messages but + * only includes the placeholders available in the raw message and not in the provided data. + * @param {string} message The reported message + * @param {string} raw The raw message specified in the rule meta.messages + * @param {undefined|Record} data The passed + * @returns {string[]} Missing placeholder names + */ +function getUnsubstitutedMessagePlaceholders(message, raw, data = {}) { + const unsubstituted = getMessagePlaceholders(message); + + if (unsubstituted.length === 0) { + return []; + } + + // Remove false positives by only counting placeholders in the raw message, which were not provided in the data matcher or added with a data property + const known = getMessagePlaceholders(raw); + const provided = Object.keys(data); + + return unsubstituted.filter( + name => known.includes(name) && !provided.includes(name), + ); +} + +const metaSchemaDescription = ` +\t- If the rule has options, set \`meta.schema\` to an array or non-empty object to enable options validation. +\t- If the rule doesn't have options, omit \`meta.schema\` to enforce that no options can be passed to the rule. +\t- You can also set \`meta.schema\` to \`false\` to opt-out of options validation (not recommended). + +\thttps://eslint.org/docs/latest/extend/custom-rules#options-schemas +`; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +// default separators for testing +const DESCRIBE = Symbol("describe"); +const IT = Symbol("it"); +const IT_ONLY = Symbol("itOnly"); + +/** + * This is `it` default handler if `it` don't exist. + * @this {Mocha} + * @param {string} text The description of the test case. + * @param {Function} method The logic of the test case. + * @throws {Error} Any error upon execution of `method`. + * @returns {any} Returned value of `method`. + */ +function itDefaultHandler(text, method) { + try { + return method.call(this); + } catch (err) { + if (err instanceof assert.AssertionError) { + err.message += ` (${util.inspect(err.actual)} ${err.operator} ${util.inspect(err.expected)})`; + } + throw err; + } +} + +/** + * This is `describe` default handler if `describe` don't exist. + * @this {Mocha} + * @param {string} text The description of the test case. + * @param {Function} method The logic of the test case. + * @returns {any} Returned value of `method`. + */ +function describeDefaultHandler(text, method) { + return method.call(this); +} + +/** + * Mocha test wrapper. + */ +class RuleTester { + /** + * Creates a new instance of RuleTester. + * @param {Object} [testerConfig] Optional, extra configuration for the tester + */ + constructor(testerConfig = {}) { + /** + * The configuration to use for this tester. Combination of the tester + * configuration and the default configuration. + * @type {Object} + */ + this.testerConfig = [ + sharedDefaultConfig, + testerConfig, + { rules: { "rule-tester/validate-ast": "error" } }, + ]; + + this.linter = new Linter({ configType: "flat" }); + } + + /** + * Set the configuration to use for all future tests + * @param {Object} config the configuration to use. + * @throws {TypeError} If non-object config. + * @returns {void} + */ + static setDefaultConfig(config) { + if (typeof config !== "object" || config === null) { + throw new TypeError( + "RuleTester.setDefaultConfig: config must be an object", + ); + } + sharedDefaultConfig = config; + + // Make sure the rules object exists since it is assumed to exist later + sharedDefaultConfig.rules = sharedDefaultConfig.rules || {}; + } + + /** + * Get the current configuration used for all tests + * @returns {Object} the current configuration + */ + static getDefaultConfig() { + return sharedDefaultConfig; + } + + /** + * Reset the configuration to the initial configuration of the tester removing + * any changes made until now. + * @returns {void} + */ + static resetDefaultConfig() { + sharedDefaultConfig = { + rules: { + ...testerDefaultConfig.rules, + }, + }; + } + + /* + * If people use `mocha test.js --watch` command, `describe` and `it` function + * instances are different for each execution. So `describe` and `it` should get fresh instance + * always. + */ + static get describe() { + return ( + this[DESCRIBE] || + (typeof describe === "function" ? describe : describeDefaultHandler) + ); + } + + static set describe(value) { + this[DESCRIBE] = value; + } + + static get it() { + return this[IT] || (typeof it === "function" ? it : itDefaultHandler); + } + + static set it(value) { + this[IT] = value; + } + + /** + * Adds the `only` property to a test to run it in isolation. + * @param {string | ValidTestCase | InvalidTestCase} item A single test to run by itself. + * @returns {ValidTestCase | InvalidTestCase} The test with `only` set. + */ + static only(item) { + if (typeof item === "string") { + return { code: item, only: true }; + } + + return { ...item, only: true }; + } + + static get itOnly() { + if (typeof this[IT_ONLY] === "function") { + return this[IT_ONLY]; + } + if ( + typeof this[IT] === "function" && + typeof this[IT].only === "function" + ) { + return Function.bind.call(this[IT].only, this[IT]); + } + if (typeof it === "function" && typeof it.only === "function") { + return Function.bind.call(it.only, it); + } + + if ( + typeof this[DESCRIBE] === "function" || + typeof this[IT] === "function" + ) { + throw new Error( + "Set `RuleTester.itOnly` to use `only` with a custom test framework.\n" + + "See https://eslint.org/docs/latest/integrate/nodejs-api#customizing-ruletester for more.", + ); + } + if (typeof it === "function") { + throw new Error( + "The current test framework does not support exclusive tests with `only`.", + ); + } + throw new Error( + "To use `only`, use RuleTester with a test framework that provides `it.only()` like Mocha.", + ); + } + + static set itOnly(value) { + this[IT_ONLY] = value; + } + + /** + * Adds a new rule test to execute. + * @param {string} ruleName The name of the rule to run. + * @param {RuleDefinition} rule The rule to test. + * @param {{ + * valid: (ValidTestCase | string)[], + * invalid: InvalidTestCase[] + * }} test The collection of tests to run. + * @throws {TypeError|Error} If `rule` is not an object with a `create` method, + * or if non-object `test`, or if a required scenario of the given type is missing. + * @returns {void} + */ + run(ruleName, rule, test) { + const testerConfig = this.testerConfig, + requiredScenarios = ["valid", "invalid"], + scenarioErrors = [], + linter = this.linter, + ruleId = `rule-to-test/${ruleName}`; + + const seenValidTestCases = new Set(); + const seenInvalidTestCases = new Set(); + + if ( + !rule || + typeof rule !== "object" || + typeof rule.create !== "function" + ) { + throw new TypeError( + "Rule must be an object with a `create` method", + ); + } + + if (!test || typeof test !== "object") { + throw new TypeError( + `Test Scenarios for rule ${ruleName} : Could not find test scenario object`, + ); + } + + requiredScenarios.forEach(scenarioType => { + if (!test[scenarioType]) { + scenarioErrors.push( + `Could not find any ${scenarioType} test scenarios`, + ); + } + }); + + if (scenarioErrors.length > 0) { + throw new Error( + [`Test Scenarios for rule ${ruleName} is invalid:`] + .concat(scenarioErrors) + .join("\n"), + ); + } + + const baseConfig = [ + { + plugins: { + // copy root plugin over + "@": { + /* + * Parsers are wrapped to detect more errors, so this needs + * to be a new object for each call to run(), otherwise the + * parsers will be wrapped multiple times. + */ + parsers: { + ...defaultConfig[0].plugins["@"].parsers, + }, + + /* + * The rules key on the default plugin is a proxy to lazy-load + * just the rules that are needed. So, don't create a new object + * here, just use the default one to keep that performance + * enhancement. + */ + rules: defaultConfig[0].plugins["@"].rules, + languages: defaultConfig[0].plugins["@"].languages, + }, + "rule-to-test": { + rules: { + [ruleName]: Object.assign({}, rule, { + // Create a wrapper rule that freezes the `context` properties. + create(context) { + freezeDeeply(context.options); + freezeDeeply(context.settings); + freezeDeeply(context.parserOptions); + + // freezeDeeply(context.languageOptions); + + return rule.create(context); + }, + }), + }, + }, + }, + language: defaultConfig[0].language, + }, + ...defaultRuleTesterConfig, + ]; + + /** + * Runs a hook on the given item when it's assigned to the given property + * @param {string|Object} item Item to run the hook on + * @param {string} prop The property having the hook assigned to + * @throws {Error} If the property is not a function or that function throws an error + * @returns {void} + * @private + */ + function runHook(item, prop) { + if (typeof item === "object" && hasOwnProperty(item, prop)) { + assert.strictEqual( + typeof item[prop], + "function", + `Optional test case property '${prop}' must be a function`, + ); + item[prop](); + } + } + + /** + * Run the rule for the given item + * @param {string|Object} item Item to run the rule against + * @throws {Error} If an invalid schema. + * @returns {Object} Eslint run result + * @private + */ + function runRuleForItem(item) { + const flatConfigArrayOptions = { + baseConfig, + }; + + if (item.filename) { + flatConfigArrayOptions.basePath = + path.parse(item.filename).root || void 0; + } + + const configs = new FlatConfigArray( + testerConfig, + flatConfigArrayOptions, + ); + + /* + * Modify the returned config so that the parser is wrapped to catch + * access of the start/end properties. This method is called just + * once per code snippet being tested, so each test case gets a clean + * parser. + */ + configs[ConfigArraySymbol.finalizeConfig] = function (...args) { + // can't do super here :( + const proto = Object.getPrototypeOf(this); + const calculatedConfig = proto[ + ConfigArraySymbol.finalizeConfig + ].apply(this, args); + + // wrap the parser to catch start/end property access + if (calculatedConfig.language === jslang) { + calculatedConfig.languageOptions.parser = wrapParser( + calculatedConfig.languageOptions.parser, + ); + } + + return calculatedConfig; + }; + + let code, filename, output, beforeAST, afterAST; + + if (typeof item === "string") { + code = item; + } else { + code = item.code; + + /* + * Assumes everything on the item is a config except for the + * parameters used by this tester + */ + const itemConfig = { ...item }; + + for (const parameter of RuleTesterParameters) { + delete itemConfig[parameter]; + } + + /* + * Create the config object from the tester config and this item + * specific configurations. + */ + configs.push(itemConfig); + } + + if (hasOwnProperty(item, "only")) { + assert.ok( + typeof item.only === "boolean", + "Optional test case property 'only' must be a boolean", + ); + } + if (hasOwnProperty(item, "filename")) { + assert.ok( + typeof item.filename === "string", + "Optional test case property 'filename' must be a string", + ); + filename = item.filename; + } + + let ruleConfig = 1; + + if (hasOwnProperty(item, "options")) { + assert(Array.isArray(item.options), "options must be an array"); + ruleConfig = [1, ...item.options]; + } + + configs.push({ + rules: { + [ruleId]: ruleConfig, + }, + }); + + let schema; + + try { + schema = Config.getRuleOptionsSchema(rule); + } catch (err) { + err.message += metaSchemaDescription; + throw err; + } + + /* + * Check and throw an error if the schema is an empty object (`schema:{}`), because such schema + * doesn't validate or enforce anything and is therefore considered a possible error. If the intent + * was to skip options validation, `schema:false` should be set instead (explicit opt-out). + * + * For this purpose, a schema object is considered empty if it doesn't have any own enumerable string-keyed + * properties. While `ajv.compile()` does use enumerable properties from the prototype chain as well, + * it caches compiled schemas by serializing only own enumerable properties, so it's generally not a good idea + * to use inherited properties in schemas because schemas that differ only in inherited properties would end up + * having the same cache entry that would be correct for only one of them. + * + * At this point, `schema` can only be an object or `null`. + */ + if (schema && Object.keys(schema).length === 0) { + throw new Error( + `\`schema: {}\` is a no-op${metaSchemaDescription}`, + ); + } + + /* + * Setup AST getters. + * The goal is to check whether or not AST was modified when + * running the rule under test. + */ + configs.push({ + plugins: { + "rule-tester": { + rules: { + "validate-ast": { + create() { + return { + Program(node) { + beforeAST = + cloneDeeplyExcludesParent(node); + }, + "Program:exit"(node) { + afterAST = node; + }, + }; + }, + }, + }, + }, + }, + }); + + if (schema) { + ajv.validateSchema(schema); + + if (ajv.errors) { + const errors = ajv.errors + .map(error => { + const field = + error.dataPath[0] === "." + ? error.dataPath.slice(1) + : error.dataPath; + + return `\t${field}: ${error.message}`; + }) + .join("\n"); + + throw new Error([ + `Schema for rule ${ruleName} is invalid:`, + errors, + ]); + } + + /* + * `ajv.validateSchema` checks for errors in the structure of the schema (by comparing the schema against a "meta-schema"), + * and it reports those errors individually. However, there are other types of schema errors that only occur when compiling + * the schema (e.g. using invalid defaults in a schema), and only one of these errors can be reported at a time. As a result, + * the schema is compiled here separately from checking for `validateSchema` errors. + */ + try { + ajv.compile(schema); + } catch (err) { + throw new Error( + `Schema for rule ${ruleName} is invalid: ${err.message}`, + { + cause: err, + }, + ); + } + } + + // check for validation errors + try { + configs.normalizeSync(); + configs.getConfig("test.js"); + } catch (error) { + error.message = `ESLint configuration in rule-tester is invalid: ${error.message}`; + throw error; + } + + // Verify the code. + const { applyLanguageOptions, applyInlineConfig, finalize } = + SourceCode.prototype; + let messages; + + try { + forbiddenMethods.forEach(methodName => { + SourceCode.prototype[methodName] = + throwForbiddenMethodError( + methodName, + SourceCode.prototype, + ); + }); + + messages = linter.verify(code, configs, filename); + } finally { + SourceCode.prototype.applyInlineConfig = applyInlineConfig; + SourceCode.prototype.applyLanguageOptions = + applyLanguageOptions; + SourceCode.prototype.finalize = finalize; + } + + const fatalErrorMessage = messages.find(m => m.fatal); + + assert( + !fatalErrorMessage, + `A fatal parsing error occurred: ${fatalErrorMessage && fatalErrorMessage.message}`, + ); + + // Verify if autofix makes a syntax error or not. + if (messages.some(m => m.fix)) { + output = SourceCodeFixer.applyFixes(code, messages).output; + const errorMessageInFix = linter + .verify(output, configs, filename) + .find(m => m.fatal); + + assert( + !errorMessageInFix, + [ + "A fatal parsing error occurred in autofix.", + `Error: ${errorMessageInFix && errorMessageInFix.message}`, + "Autofix output:", + output, + ].join("\n"), + ); + } else { + output = code; + } + + return { + messages, + output, + beforeAST, + afterAST: cloneDeeplyExcludesParent(afterAST), + configs, + filename, + }; + } + + /** + * Check if the AST was changed + * @param {ASTNode} beforeAST AST node before running + * @param {ASTNode} afterAST AST node after running + * @returns {void} + * @private + */ + function assertASTDidntChange(beforeAST, afterAST) { + if (!equal(beforeAST, afterAST)) { + assert.fail("Rule should not modify AST."); + } + } + + /** + * Check if this test case is a duplicate of one we have seen before. + * @param {string|Object} item test case object + * @param {Set} seenTestCases set of serialized test cases we have seen so far (managed by this function) + * @returns {void} + * @private + */ + function checkDuplicateTestCase(item, seenTestCases) { + if (!isSerializable(item)) { + /* + * If we can't serialize a test case (because it contains a function, RegExp, etc), skip the check. + * This might happen with properties like: options, plugins, settings, languageOptions.parser, languageOptions.parserOptions. + */ + return; + } + + const normalizedItem = + typeof item === "string" ? { code: item } : item; + const serializedTestCase = stringify(normalizedItem, { + replacer(key, value) { + // "this" is the currently stringified object --> only ignore top-level properties + return normalizedItem !== this || + !duplicationIgnoredParameters.has(key) + ? value + : void 0; + }, + }); + + assert( + !seenTestCases.has(serializedTestCase), + "detected duplicate test case", + ); + seenTestCases.add(serializedTestCase); + } + + /** + * Check if the template is valid or not + * all valid cases go through this + * @param {string|Object} item Item to run the rule against + * @returns {void} + * @private + */ + function testValidTemplate(item) { + const code = typeof item === "object" ? item.code : item; + + assert.ok( + typeof code === "string", + "Test case must specify a string value for 'code'", + ); + if (item.name) { + assert.ok( + typeof item.name === "string", + "Optional test case property 'name' must be a string", + ); + } + + checkDuplicateTestCase(item, seenValidTestCases); + + const result = runRuleForItem(item); + const messages = result.messages; + + assert.strictEqual( + messages.length, + 0, + util.format( + "Should have no errors but had %d: %s", + messages.length, + util.inspect(messages), + ), + ); + + assertASTDidntChange(result.beforeAST, result.afterAST); + } + + /** + * Asserts that the message matches its expected value. If the expected + * value is a regular expression, it is checked against the actual + * value. + * @param {string} actual Actual value + * @param {string|RegExp} expected Expected value + * @returns {void} + * @private + */ + function assertMessageMatches(actual, expected) { + if (expected instanceof RegExp) { + // assert.js doesn't have a built-in RegExp match function + assert.ok( + expected.test(actual), + `Expected '${actual}' to match ${expected}`, + ); + } else { + assert.strictEqual(actual, expected); + } + } + + /** + * Check if the template is invalid or not + * all invalid cases go through this. + * @param {string|Object} item Item to run the rule against + * @returns {void} + * @private + */ + function testInvalidTemplate(item) { + assert.ok( + typeof item.code === "string", + "Test case must specify a string value for 'code'", + ); + if (item.name) { + assert.ok( + typeof item.name === "string", + "Optional test case property 'name' must be a string", + ); + } + assert.ok( + item.errors || item.errors === 0, + `Did not specify errors for an invalid test of ${ruleName}`, + ); + + if (Array.isArray(item.errors) && item.errors.length === 0) { + assert.fail("Invalid cases must have at least one error"); + } + + checkDuplicateTestCase(item, seenInvalidTestCases); + + const ruleHasMetaMessages = + hasOwnProperty(rule, "meta") && + hasOwnProperty(rule.meta, "messages"); + const friendlyIDList = ruleHasMetaMessages + ? `[${Object.keys(rule.meta.messages) + .map(key => `'${key}'`) + .join(", ")}]` + : null; + + const result = runRuleForItem(item); + const messages = result.messages; + + for (const message of messages) { + if (hasOwnProperty(message, "suggestions")) { + /** @type {Map} */ + const seenMessageIndices = new Map(); + + for (let i = 0; i < message.suggestions.length; i += 1) { + const suggestionMessage = message.suggestions[i].desc; + const previous = + seenMessageIndices.get(suggestionMessage); + + assert.ok( + !seenMessageIndices.has(suggestionMessage), + `Suggestion message '${suggestionMessage}' reported from suggestion ${i} was previously reported by suggestion ${previous}. Suggestion messages should be unique within an error.`, + ); + seenMessageIndices.set(suggestionMessage, i); + } + } + } + + if (typeof item.errors === "number") { + if (item.errors === 0) { + assert.fail( + "Invalid cases must have 'error' value greater than 0", + ); + } + + assert.strictEqual( + messages.length, + item.errors, + util.format( + "Should have %d error%s but had %d: %s", + item.errors, + item.errors === 1 ? "" : "s", + messages.length, + util.inspect(messages), + ), + ); + } else { + assert.strictEqual( + messages.length, + item.errors.length, + util.format( + "Should have %d error%s but had %d: %s", + item.errors.length, + item.errors.length === 1 ? "" : "s", + messages.length, + util.inspect(messages), + ), + ); + + const hasMessageOfThisRule = messages.some( + m => m.ruleId === ruleId, + ); + + for (let i = 0, l = item.errors.length; i < l; i++) { + const error = item.errors[i]; + const message = messages[i]; + + assert( + hasMessageOfThisRule, + "Error rule name should be the same as the name of the rule being tested", + ); + + if (typeof error === "string" || error instanceof RegExp) { + // Just an error message. + assertMessageMatches(message.message, error); + assert.ok( + message.suggestions === void 0, + `Error at index ${i} has suggestions. Please convert the test error into an object and specify 'suggestions' property on it to test suggestions.`, + ); + } else if (typeof error === "object" && error !== null) { + /* + * Error object. + * This may have a message, messageId, data, node type, line, and/or + * column. + */ + + Object.keys(error).forEach(propertyName => { + assert.ok( + errorObjectParameters.has(propertyName), + `Invalid error property name '${propertyName}'. Expected one of ${friendlyErrorObjectParameterList}.`, + ); + }); + + if (hasOwnProperty(error, "message")) { + assert.ok( + !hasOwnProperty(error, "messageId"), + "Error should not specify both 'message' and a 'messageId'.", + ); + assert.ok( + !hasOwnProperty(error, "data"), + "Error should not specify both 'data' and 'message'.", + ); + assertMessageMatches( + message.message, + error.message, + ); + } else if (hasOwnProperty(error, "messageId")) { + assert.ok( + ruleHasMetaMessages, + "Error can not use 'messageId' if rule under test doesn't define 'meta.messages'.", + ); + if ( + !hasOwnProperty( + rule.meta.messages, + error.messageId, + ) + ) { + assert( + false, + `Invalid messageId '${error.messageId}'. Expected one of ${friendlyIDList}.`, + ); + } + assert.strictEqual( + message.messageId, + error.messageId, + `messageId '${message.messageId}' does not match expected messageId '${error.messageId}'.`, + ); + + const unsubstitutedPlaceholders = + getUnsubstitutedMessagePlaceholders( + message.message, + rule.meta.messages[message.messageId], + error.data, + ); + + assert.ok( + unsubstitutedPlaceholders.length === 0, + `The reported message has ${unsubstitutedPlaceholders.length > 1 ? `unsubstituted placeholders: ${unsubstitutedPlaceholders.map(name => `'${name}'`).join(", ")}` : `an unsubstituted placeholder '${unsubstitutedPlaceholders[0]}'`}. Please provide the missing ${unsubstitutedPlaceholders.length > 1 ? "values" : "value"} via the 'data' property in the context.report() call.`, + ); + + if (hasOwnProperty(error, "data")) { + /* + * if data was provided, then directly compare the returned message to a synthetic + * interpolated message using the same message ID and data provided in the test. + * See https://github.com/eslint/eslint/issues/9890 for context. + */ + const unformattedOriginalMessage = + rule.meta.messages[error.messageId]; + const rehydratedMessage = interpolate( + unformattedOriginalMessage, + error.data, + ); + + assert.strictEqual( + message.message, + rehydratedMessage, + `Hydrated message "${rehydratedMessage}" does not match "${message.message}"`, + ); + } + } else { + assert.fail( + "Test error must specify either a 'messageId' or 'message'.", + ); + } + + if (error.type) { + assert.strictEqual( + message.nodeType, + error.type, + `Error type should be ${error.type}, found ${message.nodeType}`, + ); + } + + const actualLocation = {}; + const expectedLocation = {}; + + if (hasOwnProperty(error, "line")) { + actualLocation.line = message.line; + expectedLocation.line = error.line; + } + + if (hasOwnProperty(error, "column")) { + actualLocation.column = message.column; + expectedLocation.column = error.column; + } + + if (hasOwnProperty(error, "endLine")) { + actualLocation.endLine = message.endLine; + expectedLocation.endLine = error.endLine; + } + + if (hasOwnProperty(error, "endColumn")) { + actualLocation.endColumn = message.endColumn; + expectedLocation.endColumn = error.endColumn; + } + + if (Object.keys(expectedLocation).length > 0) { + assert.deepStrictEqual( + actualLocation, + expectedLocation, + "Actual error location does not match expected error location.", + ); + } + + assert.ok( + !message.suggestions || + hasOwnProperty(error, "suggestions"), + `Error at index ${i} has suggestions. Please specify 'suggestions' property on the test error object.`, + ); + if (hasOwnProperty(error, "suggestions")) { + // Support asserting there are no suggestions + const expectsSuggestions = Array.isArray( + error.suggestions, + ) + ? error.suggestions.length > 0 + : Boolean(error.suggestions); + const hasSuggestions = + message.suggestions !== void 0; + + if (!hasSuggestions && expectsSuggestions) { + assert.ok( + !error.suggestions, + `Error should have suggestions on error with message: "${message.message}"`, + ); + } else if (hasSuggestions) { + assert.ok( + expectsSuggestions, + `Error should have no suggestions on error with message: "${message.message}"`, + ); + if (typeof error.suggestions === "number") { + assert.strictEqual( + message.suggestions.length, + error.suggestions, + `Error should have ${error.suggestions} suggestions. Instead found ${message.suggestions.length} suggestions`, + ); + } else if (Array.isArray(error.suggestions)) { + assert.strictEqual( + message.suggestions.length, + error.suggestions.length, + `Error should have ${error.suggestions.length} suggestions. Instead found ${message.suggestions.length} suggestions`, + ); + + error.suggestions.forEach( + (expectedSuggestion, index) => { + assert.ok( + typeof expectedSuggestion === + "object" && + expectedSuggestion !== null, + "Test suggestion in 'suggestions' array must be an object.", + ); + Object.keys( + expectedSuggestion, + ).forEach(propertyName => { + assert.ok( + suggestionObjectParameters.has( + propertyName, + ), + `Invalid suggestion property name '${propertyName}'. Expected one of ${friendlySuggestionObjectParameterList}.`, + ); + }); + + const actualSuggestion = + message.suggestions[index]; + const suggestionPrefix = `Error Suggestion at index ${index}:`; + + if ( + hasOwnProperty( + expectedSuggestion, + "desc", + ) + ) { + assert.ok( + !hasOwnProperty( + expectedSuggestion, + "data", + ), + `${suggestionPrefix} Test should not specify both 'desc' and 'data'.`, + ); + assert.ok( + !hasOwnProperty( + expectedSuggestion, + "messageId", + ), + `${suggestionPrefix} Test should not specify both 'desc' and 'messageId'.`, + ); + assert.strictEqual( + actualSuggestion.desc, + expectedSuggestion.desc, + `${suggestionPrefix} desc should be "${expectedSuggestion.desc}" but got "${actualSuggestion.desc}" instead.`, + ); + } else if ( + hasOwnProperty( + expectedSuggestion, + "messageId", + ) + ) { + assert.ok( + ruleHasMetaMessages, + `${suggestionPrefix} Test can not use 'messageId' if rule under test doesn't define 'meta.messages'.`, + ); + assert.ok( + hasOwnProperty( + rule.meta.messages, + expectedSuggestion.messageId, + ), + `${suggestionPrefix} Test has invalid messageId '${expectedSuggestion.messageId}', the rule under test allows only one of ${friendlyIDList}.`, + ); + assert.strictEqual( + actualSuggestion.messageId, + expectedSuggestion.messageId, + `${suggestionPrefix} messageId should be '${expectedSuggestion.messageId}' but got '${actualSuggestion.messageId}' instead.`, + ); + + const unsubstitutedPlaceholders = + getUnsubstitutedMessagePlaceholders( + actualSuggestion.desc, + rule.meta.messages[ + expectedSuggestion + .messageId + ], + expectedSuggestion.data, + ); + + assert.ok( + unsubstitutedPlaceholders.length === + 0, + `The message of the suggestion has ${unsubstitutedPlaceholders.length > 1 ? `unsubstituted placeholders: ${unsubstitutedPlaceholders.map(name => `'${name}'`).join(", ")}` : `an unsubstituted placeholder '${unsubstitutedPlaceholders[0]}'`}. Please provide the missing ${unsubstitutedPlaceholders.length > 1 ? "values" : "value"} via the 'data' property for the suggestion in the context.report() call.`, + ); + + if ( + hasOwnProperty( + expectedSuggestion, + "data", + ) + ) { + const unformattedMetaMessage = + rule.meta.messages[ + expectedSuggestion + .messageId + ]; + const rehydratedDesc = + interpolate( + unformattedMetaMessage, + expectedSuggestion.data, + ); + + assert.strictEqual( + actualSuggestion.desc, + rehydratedDesc, + `${suggestionPrefix} Hydrated test desc "${rehydratedDesc}" does not match received desc "${actualSuggestion.desc}".`, + ); + } + } else if ( + hasOwnProperty( + expectedSuggestion, + "data", + ) + ) { + assert.fail( + `${suggestionPrefix} Test must specify 'messageId' if 'data' is used.`, + ); + } else { + assert.fail( + `${suggestionPrefix} Test must specify either 'messageId' or 'desc'.`, + ); + } + + assert.ok( + hasOwnProperty( + expectedSuggestion, + "output", + ), + `${suggestionPrefix} The "output" property is required.`, + ); + const codeWithAppliedSuggestion = + SourceCodeFixer.applyFixes( + item.code, + [actualSuggestion], + ).output; + + // Verify if suggestion fix makes a syntax error or not. + const errorMessageInSuggestion = + linter + .verify( + codeWithAppliedSuggestion, + result.configs, + result.filename, + ) + .find(m => m.fatal); + + assert( + !errorMessageInSuggestion, + [ + "A fatal parsing error occurred in suggestion fix.", + `Error: ${errorMessageInSuggestion && errorMessageInSuggestion.message}`, + "Suggestion output:", + codeWithAppliedSuggestion, + ].join("\n"), + ); + + assert.strictEqual( + codeWithAppliedSuggestion, + expectedSuggestion.output, + `Expected the applied suggestion fix to match the test suggestion output for suggestion at index: ${index} on error with message: "${message.message}"`, + ); + assert.notStrictEqual( + expectedSuggestion.output, + item.code, + `The output of a suggestion should differ from the original source code for suggestion at index: ${index} on error with message: "${message.message}"`, + ); + }, + ); + } else { + assert.fail( + "Test error object property 'suggestions' should be an array or a number", + ); + } + } + } + } else { + // Message was an unexpected type + assert.fail( + `Error should be a string, object, or RegExp, but found (${util.inspect(message)})`, + ); + } + } + } + + if (hasOwnProperty(item, "output")) { + if (item.output === null) { + assert.strictEqual( + result.output, + item.code, + "Expected no autofixes to be suggested", + ); + } else { + assert.strictEqual( + result.output, + item.output, + "Output is incorrect.", + ); + assert.notStrictEqual( + item.code, + item.output, + "Test property 'output' matches 'code'. If no autofix is expected, then omit the 'output' property or set it to null.", + ); + } + } else { + assert.strictEqual( + result.output, + item.code, + "The rule fixed the code. Please add 'output' property.", + ); + } + + assertASTDidntChange(result.beforeAST, result.afterAST); + } + + /* + * This creates a mocha test suite and pipes all supplied info through + * one of the templates above. + * The test suites for valid/invalid are created conditionally as + * test runners (eg. vitest) fail for empty test suites. + */ + this.constructor.describe(ruleName, () => { + if (test.valid.length > 0) { + this.constructor.describe("valid", () => { + test.valid.forEach(valid => { + this.constructor[valid.only ? "itOnly" : "it"]( + sanitize( + typeof valid === "object" + ? valid.name || valid.code + : valid, + ), + () => { + try { + runHook(valid, "before"); + testValidTemplate(valid); + } finally { + runHook(valid, "after"); + } + }, + ); + }); + }); + } + + if (test.invalid.length > 0) { + this.constructor.describe("invalid", () => { + test.invalid.forEach(invalid => { + this.constructor[invalid.only ? "itOnly" : "it"]( + sanitize(invalid.name || invalid.code), + () => { + try { + runHook(invalid, "before"); + testInvalidTemplate(invalid); + } finally { + runHook(invalid, "after"); + } + }, + ); + }); + }); + } + }); + } +} + +RuleTester[DESCRIBE] = RuleTester[IT] = RuleTester[IT_ONLY] = null; + +module.exports = RuleTester; diff --git a/module/node_modules/eslint/lib/rules/accessor-pairs.js b/module/node_modules/eslint/lib/rules/accessor-pairs.js new file mode 100644 index 000000000..4af67ad77 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/accessor-pairs.js @@ -0,0 +1,420 @@ +/** + * @fileoverview Rule to enforce getter and setter pairs in objects and classes. + * @author Gyandeep Singh + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** + * Property name if it can be computed statically, otherwise the list of the tokens of the key node. + * @typedef {string|Token[]} Key + */ + +/** + * Accessor nodes with the same key. + * @typedef {Object} AccessorData + * @property {Key} key Accessor's key + * @property {ASTNode[]} getters List of getter nodes. + * @property {ASTNode[]} setters List of setter nodes. + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not the given lists represent the equal tokens in the same order. + * Tokens are compared by their properties, not by instance. + * @param {Token[]} left First list of tokens. + * @param {Token[]} right Second list of tokens. + * @returns {boolean} `true` if the lists have same tokens. + */ +function areEqualTokenLists(left, right) { + if (left.length !== right.length) { + return false; + } + + for (let i = 0; i < left.length; i++) { + const leftToken = left[i], + rightToken = right[i]; + + if ( + leftToken.type !== rightToken.type || + leftToken.value !== rightToken.value + ) { + return false; + } + } + + return true; +} + +/** + * Checks whether or not the given keys are equal. + * @param {Key} left First key. + * @param {Key} right Second key. + * @returns {boolean} `true` if the keys are equal. + */ +function areEqualKeys(left, right) { + if (typeof left === "string" && typeof right === "string") { + // Statically computed names. + return left === right; + } + if (Array.isArray(left) && Array.isArray(right)) { + // Token lists. + return areEqualTokenLists(left, right); + } + + return false; +} + +/** + * Checks whether or not a given node is of an accessor kind ('get' or 'set'). + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is of an accessor kind. + */ +function isAccessorKind(node) { + return node.kind === "get" || node.kind === "set"; +} + +/** + * Checks whether or not a given node is an argument of a specified method call. + * @param {ASTNode} node A node to check. + * @param {number} index An expected index of the node in arguments. + * @param {string} object An expected name of the object of the method. + * @param {string} property An expected name of the method. + * @returns {boolean} `true` if the node is an argument of the specified method call. + */ +function isArgumentOfMethodCall(node, index, object, property) { + const parent = node.parent; + + return ( + parent.type === "CallExpression" && + astUtils.isSpecificMemberAccess(parent.callee, object, property) && + parent.arguments[index] === node + ); +} + +/** + * Checks whether or not a given node is a property descriptor. + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is a property descriptor. + */ +function isPropertyDescriptor(node) { + // Object.defineProperty(obj, "foo", {set: ...}) + if ( + isArgumentOfMethodCall(node, 2, "Object", "defineProperty") || + isArgumentOfMethodCall(node, 2, "Reflect", "defineProperty") + ) { + return true; + } + + /* + * Object.defineProperties(obj, {foo: {set: ...}}) + * Object.create(proto, {foo: {set: ...}}) + */ + const grandparent = node.parent.parent; + + return ( + grandparent.type === "ObjectExpression" && + (isArgumentOfMethodCall(grandparent, 1, "Object", "create") || + isArgumentOfMethodCall( + grandparent, + 1, + "Object", + "defineProperties", + )) + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + enforceForTSTypes: false, + enforceForClassMembers: true, + getWithoutSet: false, + setWithoutGet: true, + }, + ], + + docs: { + description: + "Enforce getter and setter pairs in objects and classes", + recommended: false, + url: "https://eslint.org/docs/latest/rules/accessor-pairs", + }, + + schema: [ + { + type: "object", + properties: { + getWithoutSet: { + type: "boolean", + }, + setWithoutGet: { + type: "boolean", + }, + enforceForClassMembers: { + type: "boolean", + }, + enforceForTSTypes: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + missingGetterInPropertyDescriptor: + "Getter is not present in property descriptor.", + missingSetterInPropertyDescriptor: + "Setter is not present in property descriptor.", + missingGetterInObjectLiteral: + "Getter is not present for {{ name }}.", + missingSetterInObjectLiteral: + "Setter is not present for {{ name }}.", + missingGetterInClass: "Getter is not present for class {{ name }}.", + missingSetterInClass: "Setter is not present for class {{ name }}.", + missingGetterInType: "Getter is not present for type {{ name }}.", + missingSetterInType: "Setter is not present for type {{ name }}.", + }, + }, + create(context) { + const [ + { + getWithoutSet: checkGetWithoutSet, + setWithoutGet: checkSetWithoutGet, + enforceForClassMembers, + enforceForTSTypes, + }, + ] = context.options; + const sourceCode = context.sourceCode; + + /** + * Reports the given node. + * @param {ASTNode} node The node to report. + * @param {string} messageKind "missingGetter" or "missingSetter". + * @returns {void} + * @private + */ + function report(node, messageKind) { + if (node.type === "Property") { + context.report({ + node, + messageId: `${messageKind}InObjectLiteral`, + loc: astUtils.getFunctionHeadLoc(node.value, sourceCode), + data: { + name: astUtils.getFunctionNameWithKind(node.value), + }, + }); + } else if (node.type === "MethodDefinition") { + context.report({ + node, + messageId: `${messageKind}InClass`, + loc: astUtils.getFunctionHeadLoc(node.value, sourceCode), + data: { + name: astUtils.getFunctionNameWithKind(node.value), + }, + }); + } else if (node.type === "TSMethodSignature") { + context.report({ + node, + messageId: `${messageKind}InType`, + loc: astUtils.getFunctionHeadLoc(node, sourceCode), + data: { + name: astUtils.getFunctionNameWithKind(node), + }, + }); + } else { + context.report({ + node, + messageId: `${messageKind}InPropertyDescriptor`, + }); + } + } + + /** + * Reports each of the nodes in the given list using the same messageId. + * @param {ASTNode[]} nodes Nodes to report. + * @param {string} messageKind "missingGetter" or "missingSetter". + * @returns {void} + * @private + */ + function reportList(nodes, messageKind) { + for (const node of nodes) { + report(node, messageKind); + } + } + + /** + * Checks accessor pairs in the given list of nodes. + * @param {ASTNode[]} nodes The list to check. + * @returns {void} + * @private + */ + function checkList(nodes) { + const accessors = []; + let found = false; + + for (let i = 0; i < nodes.length; i++) { + const node = nodes[i]; + + if (isAccessorKind(node)) { + // Creates a new `AccessorData` object for the given getter or setter node. + const name = astUtils.getStaticPropertyName(node); + const key = + name !== null ? name : sourceCode.getTokens(node.key); + + // Merges the given `AccessorData` object into the given accessors list. + for (let j = 0; j < accessors.length; j++) { + const accessor = accessors[j]; + + if (areEqualKeys(accessor.key, key)) { + accessor.getters.push( + ...(node.kind === "get" ? [node] : []), + ); + accessor.setters.push( + ...(node.kind === "set" ? [node] : []), + ); + found = true; + break; + } + } + if (!found) { + accessors.push({ + key, + getters: node.kind === "get" ? [node] : [], + setters: node.kind === "set" ? [node] : [], + }); + } + found = false; + } + } + + for (const { getters, setters } of accessors) { + if (checkSetWithoutGet && setters.length && !getters.length) { + reportList(setters, "missingGetter"); + } + if (checkGetWithoutSet && getters.length && !setters.length) { + reportList(getters, "missingSetter"); + } + } + } + + /** + * Checks accessor pairs in an object literal. + * @param {ASTNode} node `ObjectExpression` node to check. + * @returns {void} + * @private + */ + function checkObjectLiteral(node) { + checkList(node.properties.filter(p => p.type === "Property")); + } + + /** + * Checks accessor pairs in a property descriptor. + * @param {ASTNode} node Property descriptor `ObjectExpression` node to check. + * @returns {void} + * @private + */ + function checkPropertyDescriptor(node) { + const namesToCheck = new Set( + node.properties + .filter( + p => + p.type === "Property" && + p.kind === "init" && + !p.computed, + ) + .map(({ key }) => key.name), + ); + + const hasGetter = namesToCheck.has("get"); + const hasSetter = namesToCheck.has("set"); + + if (checkSetWithoutGet && hasSetter && !hasGetter) { + report(node, "missingGetter"); + } + if (checkGetWithoutSet && hasGetter && !hasSetter) { + report(node, "missingSetter"); + } + } + + /** + * Checks the given object expression as an object literal and as a possible property descriptor. + * @param {ASTNode} node `ObjectExpression` node to check. + * @returns {void} + * @private + */ + function checkObjectExpression(node) { + checkObjectLiteral(node); + if (isPropertyDescriptor(node)) { + checkPropertyDescriptor(node); + } + } + + /** + * Checks the given class body. + * @param {ASTNode} node `ClassBody` node to check. + * @returns {void} + * @private + */ + function checkClassBody(node) { + const methodDefinitions = node.body.filter( + m => m.type === "MethodDefinition", + ); + + checkList(methodDefinitions.filter(m => m.static)); + checkList(methodDefinitions.filter(m => !m.static)); + } + + /** + * Checks the given type. + * @param {ASTNode} node `TSTypeLiteral` or `TSInterfaceBody` node to check. + * @returns {void} + * @private + */ + function checkType(node) { + const members = + node.type === "TSTypeLiteral" ? node.members : node.body; + const methodDefinitions = members.filter( + m => m.type === "TSMethodSignature", + ); + + checkList(methodDefinitions); + } + + const listeners = {}; + + if (checkSetWithoutGet || checkGetWithoutSet) { + listeners.ObjectExpression = checkObjectExpression; + if (enforceForClassMembers) { + listeners.ClassBody = checkClassBody; + } + if (enforceForTSTypes) { + listeners["TSTypeLiteral, TSInterfaceBody"] = checkType; + } + } + + return listeners; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/array-bracket-newline.js b/module/node_modules/eslint/lib/rules/array-bracket-newline.js new file mode 100644 index 000000000..56887af13 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/array-bracket-newline.js @@ -0,0 +1,291 @@ +/** + * @fileoverview Rule to enforce linebreaks after open and before close array brackets + * @author Jan Peer Stöcklmair + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "array-bracket-newline", + url: "https://eslint.style/rules/array-bracket-newline", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce linebreaks after opening and before closing array brackets", + recommended: false, + url: "https://eslint.org/docs/latest/rules/array-bracket-newline", + }, + + fixable: "whitespace", + + schema: [ + { + oneOf: [ + { + enum: ["always", "never", "consistent"], + }, + { + type: "object", + properties: { + multiline: { + type: "boolean", + }, + minItems: { + type: ["integer", "null"], + minimum: 0, + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + unexpectedOpeningLinebreak: + "There should be no linebreak after '['.", + unexpectedClosingLinebreak: + "There should be no linebreak before ']'.", + missingOpeningLinebreak: "A linebreak is required after '['.", + missingClosingLinebreak: "A linebreak is required before ']'.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + //---------------------------------------------------------------------- + // Helpers + //---------------------------------------------------------------------- + + /** + * Normalizes a given option value. + * @param {string|Object|undefined} option An option value to parse. + * @returns {{multiline: boolean, minItems: number}} Normalized option object. + */ + function normalizeOptionValue(option) { + let consistent = false; + let multiline = false; + let minItems; + + if (option) { + if (option === "consistent") { + consistent = true; + minItems = Number.POSITIVE_INFINITY; + } else if (option === "always" || option.minItems === 0) { + minItems = 0; + } else if (option === "never") { + minItems = Number.POSITIVE_INFINITY; + } else { + multiline = Boolean(option.multiline); + minItems = option.minItems || Number.POSITIVE_INFINITY; + } + } else { + consistent = false; + multiline = true; + minItems = Number.POSITIVE_INFINITY; + } + + return { consistent, multiline, minItems }; + } + + /** + * Normalizes a given option value. + * @param {string|Object|undefined} options An option value to parse. + * @returns {{ArrayExpression: {multiline: boolean, minItems: number}, ArrayPattern: {multiline: boolean, minItems: number}}} Normalized option object. + */ + function normalizeOptions(options) { + const value = normalizeOptionValue(options); + + return { ArrayExpression: value, ArrayPattern: value }; + } + + /** + * Reports that there shouldn't be a linebreak after the first token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportNoBeginningLinebreak(node, token) { + context.report({ + node, + loc: token.loc, + messageId: "unexpectedOpeningLinebreak", + fix(fixer) { + const nextToken = sourceCode.getTokenAfter(token, { + includeComments: true, + }); + + if (astUtils.isCommentToken(nextToken)) { + return null; + } + + return fixer.removeRange([ + token.range[1], + nextToken.range[0], + ]); + }, + }); + } + + /** + * Reports that there shouldn't be a linebreak before the last token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportNoEndingLinebreak(node, token) { + context.report({ + node, + loc: token.loc, + messageId: "unexpectedClosingLinebreak", + fix(fixer) { + const previousToken = sourceCode.getTokenBefore(token, { + includeComments: true, + }); + + if (astUtils.isCommentToken(previousToken)) { + return null; + } + + return fixer.removeRange([ + previousToken.range[1], + token.range[0], + ]); + }, + }); + } + + /** + * Reports that there should be a linebreak after the first token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportRequiredBeginningLinebreak(node, token) { + context.report({ + node, + loc: token.loc, + messageId: "missingOpeningLinebreak", + fix(fixer) { + return fixer.insertTextAfter(token, "\n"); + }, + }); + } + + /** + * Reports that there should be a linebreak before the last token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportRequiredEndingLinebreak(node, token) { + context.report({ + node, + loc: token.loc, + messageId: "missingClosingLinebreak", + fix(fixer) { + return fixer.insertTextBefore(token, "\n"); + }, + }); + } + + /** + * Reports a given node if it violated this rule. + * @param {ASTNode} node A node to check. This is an ArrayExpression node or an ArrayPattern node. + * @returns {void} + */ + function check(node) { + const elements = node.elements; + const normalizedOptions = normalizeOptions(context.options[0]); + const options = normalizedOptions[node.type]; + const openBracket = sourceCode.getFirstToken(node); + const closeBracket = sourceCode.getLastToken(node); + const firstIncComment = sourceCode.getTokenAfter(openBracket, { + includeComments: true, + }); + const lastIncComment = sourceCode.getTokenBefore(closeBracket, { + includeComments: true, + }); + const first = sourceCode.getTokenAfter(openBracket); + const last = sourceCode.getTokenBefore(closeBracket); + + const needsLinebreaks = + elements.length >= options.minItems || + (options.multiline && + elements.length > 0 && + firstIncComment.loc.start.line !== + lastIncComment.loc.end.line) || + (elements.length === 0 && + firstIncComment.type === "Block" && + firstIncComment.loc.start.line !== + lastIncComment.loc.end.line && + firstIncComment === lastIncComment) || + (options.consistent && + openBracket.loc.end.line !== first.loc.start.line); + + /* + * Use tokens or comments to check multiline or not. + * But use only tokens to check whether linebreaks are needed. + * This allows: + * var arr = [ // eslint-disable-line foo + * 'a' + * ] + */ + + if (needsLinebreaks) { + if (astUtils.isTokenOnSameLine(openBracket, first)) { + reportRequiredBeginningLinebreak(node, openBracket); + } + if (astUtils.isTokenOnSameLine(last, closeBracket)) { + reportRequiredEndingLinebreak(node, closeBracket); + } + } else { + if (!astUtils.isTokenOnSameLine(openBracket, first)) { + reportNoBeginningLinebreak(node, openBracket); + } + if (!astUtils.isTokenOnSameLine(last, closeBracket)) { + reportNoEndingLinebreak(node, closeBracket); + } + } + } + + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + + return { + ArrayPattern: check, + ArrayExpression: check, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/array-bracket-spacing.js b/module/node_modules/eslint/lib/rules/array-bracket-spacing.js new file mode 100644 index 000000000..dbe88f1b4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/array-bracket-spacing.js @@ -0,0 +1,301 @@ +/** + * @fileoverview Disallows or enforces spaces inside of array brackets. + * @author Jamund Ferguson + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "array-bracket-spacing", + url: "https://eslint.style/rules/array-bracket-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent spacing inside array brackets", + recommended: false, + url: "https://eslint.org/docs/latest/rules/array-bracket-spacing", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["always", "never"], + }, + { + type: "object", + properties: { + singleValue: { + type: "boolean", + }, + objectsInArrays: { + type: "boolean", + }, + arraysInArrays: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedSpaceAfter: + "There should be no space after '{{tokenValue}}'.", + unexpectedSpaceBefore: + "There should be no space before '{{tokenValue}}'.", + missingSpaceAfter: "A space is required after '{{tokenValue}}'.", + missingSpaceBefore: "A space is required before '{{tokenValue}}'.", + }, + }, + create(context) { + const spaced = context.options[0] === "always", + sourceCode = context.sourceCode; + + /** + * Determines whether an option is set, relative to the spacing option. + * If spaced is "always", then check whether option is set to false. + * If spaced is "never", then check whether option is set to true. + * @param {Object} option The option to exclude. + * @returns {boolean} Whether or not the property is excluded. + */ + function isOptionSet(option) { + return context.options[1] + ? context.options[1][option] === !spaced + : false; + } + + const options = { + spaced, + singleElementException: isOptionSet("singleValue"), + objectsInArraysException: isOptionSet("objectsInArrays"), + arraysInArraysException: isOptionSet("arraysInArrays"), + }; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Reports that there shouldn't be a space after the first token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportNoBeginningSpace(node, token) { + const nextToken = sourceCode.getTokenAfter(token); + + context.report({ + node, + loc: { start: token.loc.end, end: nextToken.loc.start }, + messageId: "unexpectedSpaceAfter", + data: { + tokenValue: token.value, + }, + fix(fixer) { + return fixer.removeRange([ + token.range[1], + nextToken.range[0], + ]); + }, + }); + } + + /** + * Reports that there shouldn't be a space before the last token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportNoEndingSpace(node, token) { + const previousToken = sourceCode.getTokenBefore(token); + + context.report({ + node, + loc: { start: previousToken.loc.end, end: token.loc.start }, + messageId: "unexpectedSpaceBefore", + data: { + tokenValue: token.value, + }, + fix(fixer) { + return fixer.removeRange([ + previousToken.range[1], + token.range[0], + ]); + }, + }); + } + + /** + * Reports that there should be a space after the first token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportRequiredBeginningSpace(node, token) { + context.report({ + node, + loc: token.loc, + messageId: "missingSpaceAfter", + data: { + tokenValue: token.value, + }, + fix(fixer) { + return fixer.insertTextAfter(token, " "); + }, + }); + } + + /** + * Reports that there should be a space before the last token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportRequiredEndingSpace(node, token) { + context.report({ + node, + loc: token.loc, + messageId: "missingSpaceBefore", + data: { + tokenValue: token.value, + }, + fix(fixer) { + return fixer.insertTextBefore(token, " "); + }, + }); + } + + /** + * Determines if a node is an object type + * @param {ASTNode} node The node to check. + * @returns {boolean} Whether or not the node is an object type. + */ + function isObjectType(node) { + return ( + node && + (node.type === "ObjectExpression" || + node.type === "ObjectPattern") + ); + } + + /** + * Determines if a node is an array type + * @param {ASTNode} node The node to check. + * @returns {boolean} Whether or not the node is an array type. + */ + function isArrayType(node) { + return ( + node && + (node.type === "ArrayExpression" || + node.type === "ArrayPattern") + ); + } + + /** + * Validates the spacing around array brackets + * @param {ASTNode} node The node we're checking for spacing + * @returns {void} + */ + function validateArraySpacing(node) { + if (options.spaced && node.elements.length === 0) { + return; + } + + const first = sourceCode.getFirstToken(node), + second = sourceCode.getFirstToken(node, 1), + last = node.typeAnnotation + ? sourceCode.getTokenBefore(node.typeAnnotation) + : sourceCode.getLastToken(node), + penultimate = sourceCode.getTokenBefore(last), + firstElement = node.elements[0], + lastElement = node.elements.at(-1); + + const openingBracketMustBeSpaced = + (options.objectsInArraysException && + isObjectType(firstElement)) || + (options.arraysInArraysException && + isArrayType(firstElement)) || + (options.singleElementException && node.elements.length === 1) + ? !options.spaced + : options.spaced; + + const closingBracketMustBeSpaced = + (options.objectsInArraysException && + isObjectType(lastElement)) || + (options.arraysInArraysException && isArrayType(lastElement)) || + (options.singleElementException && node.elements.length === 1) + ? !options.spaced + : options.spaced; + + if (astUtils.isTokenOnSameLine(first, second)) { + if ( + openingBracketMustBeSpaced && + !sourceCode.isSpaceBetweenTokens(first, second) + ) { + reportRequiredBeginningSpace(node, first); + } + if ( + !openingBracketMustBeSpaced && + sourceCode.isSpaceBetweenTokens(first, second) + ) { + reportNoBeginningSpace(node, first); + } + } + + if ( + first !== penultimate && + astUtils.isTokenOnSameLine(penultimate, last) + ) { + if ( + closingBracketMustBeSpaced && + !sourceCode.isSpaceBetweenTokens(penultimate, last) + ) { + reportRequiredEndingSpace(node, last); + } + if ( + !closingBracketMustBeSpaced && + sourceCode.isSpaceBetweenTokens(penultimate, last) + ) { + reportNoEndingSpace(node, last); + } + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + ArrayPattern: validateArraySpacing, + ArrayExpression: validateArraySpacing, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/array-callback-return.js b/module/node_modules/eslint/lib/rules/array-callback-return.js new file mode 100644 index 000000000..e7e31308f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/array-callback-return.js @@ -0,0 +1,493 @@ +/** + * @fileoverview Rule to enforce return statements in callbacks of array's methods + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const TARGET_NODE_TYPE = /^(?:Arrow)?FunctionExpression$/u; +const TARGET_METHODS = + /^(?:every|filter|find(?:Last)?(?:Index)?|flatMap|forEach|map|reduce(?:Right)?|some|sort|toSorted)$/u; + +/** + * Checks a given node is a member access which has the specified name's + * property. + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is a member access which has + * the specified name's property. The node may be a `(Chain|Member)Expression` node. + */ +function isTargetMethod(node) { + return astUtils.isSpecificMemberAccess(node, null, TARGET_METHODS); +} + +/** + * Checks all segments in a set and returns true if any are reachable. + * @param {Set} segments The segments to check. + * @returns {boolean} True if any segment is reachable; false otherwise. + */ +function isAnySegmentReachable(segments) { + for (const segment of segments) { + if (segment.reachable) { + return true; + } + } + + return false; +} + +/** + * Returns a human-legible description of an array method + * @param {string} arrayMethodName A method name to fully qualify + * @returns {string} the method name prefixed with `Array.` if it is a class method, + * or else `Array.prototype.` if it is an instance method. + */ +function fullMethodName(arrayMethodName) { + if (["from", "of", "isArray"].includes(arrayMethodName)) { + return "Array.".concat(arrayMethodName); + } + return "Array.prototype.".concat(arrayMethodName); +} + +/** + * Checks whether or not a given node is a function expression which is the + * callback of an array method, returning the method name. + * @param {ASTNode} node A node to check. This is one of + * FunctionExpression or ArrowFunctionExpression. + * @returns {string} The method name if the node is a callback method, + * null otherwise. + */ +function getArrayMethodName(node) { + let currentNode = node; + + while (currentNode) { + const parent = currentNode.parent; + + switch (parent.type) { + /* + * Looks up the destination. e.g., + * foo.every(nativeFoo || function foo() { ... }); + */ + case "LogicalExpression": + case "ConditionalExpression": + case "ChainExpression": + currentNode = parent; + break; + + /* + * If the upper function is IIFE, checks the destination of the return value. + * e.g. + * foo.every((function() { + * // setup... + * return function callback() { ... }; + * })()); + */ + case "ReturnStatement": { + const func = astUtils.getUpperFunction(parent); + + if (func === null || !astUtils.isCallee(func)) { + return null; + } + currentNode = func.parent; + break; + } + + /* + * e.g. + * Array.from([], function() {}); + * list.every(function() {}); + */ + case "CallExpression": + if (astUtils.isArrayFromMethod(parent.callee)) { + if ( + parent.arguments.length >= 2 && + parent.arguments[1] === currentNode + ) { + return "from"; + } + } + if (isTargetMethod(parent.callee)) { + if ( + parent.arguments.length >= 1 && + parent.arguments[0] === currentNode + ) { + return astUtils.getStaticPropertyName(parent.callee); + } + } + return null; + + // Otherwise this node is not target. + default: + return null; + } + } + + /* c8 ignore next */ + return null; +} + +/** + * Checks if the given node is a void expression. + * @param {ASTNode} node The node to check. + * @returns {boolean} - `true` if the node is a void expression + */ +function isExpressionVoid(node) { + return node.type === "UnaryExpression" && node.operator === "void"; +} + +/** + * Fixes the linting error by prepending "void " to the given node + * @param {Object} sourceCode context given by context.sourceCode + * @param {ASTNode} node The node to fix. + * @param {Object} fixer The fixer object provided by ESLint. + * @returns {Array} - An array of fix objects to apply to the node. + */ +function voidPrependFixer(sourceCode, node, fixer) { + const requiresParens = + // prepending `void ` will fail if the node has a lower precedence than void + astUtils.getPrecedence(node) < + astUtils.getPrecedence({ + type: "UnaryExpression", + operator: "void", + }) && + // check if there are parentheses around the node to avoid redundant parentheses + !astUtils.isParenthesised(sourceCode, node); + + // avoid parentheses issues + const returnOrArrowToken = sourceCode.getTokenBefore( + node, + node.parent.type === "ArrowFunctionExpression" + ? astUtils.isArrowToken + : // isReturnToken + token => token.type === "Keyword" && token.value === "return", + ); + + const firstToken = sourceCode.getTokenAfter(returnOrArrowToken); + + const prependSpace = + // is return token, as => allows void to be adjacent + returnOrArrowToken.value === "return" && + // If two tokens (return and "(") are adjacent + returnOrArrowToken.range[1] === firstToken.range[0]; + + return [ + fixer.insertTextBefore( + firstToken, + `${prependSpace ? " " : ""}void ${requiresParens ? "(" : ""}`, + ), + fixer.insertTextAfter(node, requiresParens ? ")" : ""), + ]; +} + +/** + * Fixes the linting error by `wrapping {}` around the given node's body. + * @param {Object} sourceCode context given by context.sourceCode + * @param {ASTNode} node The node to fix. + * @param {Object} fixer The fixer object provided by ESLint. + * @returns {Array} - An array of fix objects to apply to the node. + */ +function curlyWrapFixer(sourceCode, node, fixer) { + const arrowToken = sourceCode.getTokenBefore( + node.body, + astUtils.isArrowToken, + ); + const firstToken = sourceCode.getTokenAfter(arrowToken); + const lastToken = sourceCode.getLastToken(node); + + return [ + fixer.insertTextBefore(firstToken, "{"), + fixer.insertTextAfter(lastToken, "}"), + ]; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + allowImplicit: false, + checkForEach: false, + allowVoid: false, + }, + ], + + docs: { + description: + "Enforce `return` statements in callbacks of array methods", + recommended: false, + url: "https://eslint.org/docs/latest/rules/array-callback-return", + }, + + hasSuggestions: true, + + schema: [ + { + type: "object", + properties: { + allowImplicit: { + type: "boolean", + }, + checkForEach: { + type: "boolean", + }, + allowVoid: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + expectedAtEnd: + "{{arrayMethodName}}() expects a value to be returned at the end of {{name}}.", + expectedInside: + "{{arrayMethodName}}() expects a return value from {{name}}.", + expectedReturnValue: + "{{arrayMethodName}}() expects a return value from {{name}}.", + expectedNoReturnValue: + "{{arrayMethodName}}() expects no useless return value from {{name}}.", + wrapBraces: "Wrap the expression in `{}`.", + prependVoid: "Prepend `void` to the expression.", + }, + }, + + create(context) { + const [options] = context.options; + const sourceCode = context.sourceCode; + + let funcInfo = { + arrayMethodName: null, + upper: null, + codePath: null, + hasReturn: false, + shouldCheck: false, + node: null, + }; + + /** + * Checks whether or not the last code path segment is reachable. + * Then reports this function if the segment is reachable. + * + * If the last code path segment is reachable, there are paths which are not + * returned or thrown. + * @param {ASTNode} node A node to check. + * @returns {void} + */ + function checkLastSegment(node) { + if (!funcInfo.shouldCheck) { + return; + } + + const messageAndSuggestions = { messageId: "", suggest: [] }; + + if (funcInfo.arrayMethodName === "forEach") { + if ( + options.checkForEach && + node.type === "ArrowFunctionExpression" && + node.expression + ) { + if (options.allowVoid) { + if (isExpressionVoid(node.body)) { + return; + } + + messageAndSuggestions.messageId = + "expectedNoReturnValue"; + messageAndSuggestions.suggest = [ + { + messageId: "wrapBraces", + fix(fixer) { + return curlyWrapFixer( + sourceCode, + node, + fixer, + ); + }, + }, + { + messageId: "prependVoid", + fix(fixer) { + return voidPrependFixer( + sourceCode, + node.body, + fixer, + ); + }, + }, + ]; + } else { + messageAndSuggestions.messageId = + "expectedNoReturnValue"; + messageAndSuggestions.suggest = [ + { + messageId: "wrapBraces", + fix(fixer) { + return curlyWrapFixer( + sourceCode, + node, + fixer, + ); + }, + }, + ]; + } + } + } else { + if ( + node.body.type === "BlockStatement" && + isAnySegmentReachable(funcInfo.currentSegments) + ) { + messageAndSuggestions.messageId = funcInfo.hasReturn + ? "expectedAtEnd" + : "expectedInside"; + } + } + + if (messageAndSuggestions.messageId) { + const name = astUtils.getFunctionNameWithKind(node); + + context.report({ + node, + loc: astUtils.getFunctionHeadLoc(node, sourceCode), + messageId: messageAndSuggestions.messageId, + data: { + name, + arrayMethodName: fullMethodName( + funcInfo.arrayMethodName, + ), + }, + suggest: + messageAndSuggestions.suggest.length !== 0 + ? messageAndSuggestions.suggest + : null, + }); + } + } + + return { + // Stacks this function's information. + onCodePathStart(codePath, node) { + let methodName = null; + + if (TARGET_NODE_TYPE.test(node.type)) { + methodName = getArrayMethodName(node); + } + + funcInfo = { + arrayMethodName: methodName, + upper: funcInfo, + codePath, + hasReturn: false, + shouldCheck: methodName && !node.async && !node.generator, + node, + currentSegments: new Set(), + }; + }, + + // Pops this function's information. + onCodePathEnd() { + funcInfo = funcInfo.upper; + }, + + onUnreachableCodePathSegmentStart(segment) { + funcInfo.currentSegments.add(segment); + }, + + onUnreachableCodePathSegmentEnd(segment) { + funcInfo.currentSegments.delete(segment); + }, + + onCodePathSegmentStart(segment) { + funcInfo.currentSegments.add(segment); + }, + + onCodePathSegmentEnd(segment) { + funcInfo.currentSegments.delete(segment); + }, + + // Checks the return statement is valid. + ReturnStatement(node) { + if (!funcInfo.shouldCheck) { + return; + } + + funcInfo.hasReturn = true; + + const messageAndSuggestions = { messageId: "", suggest: [] }; + + if (funcInfo.arrayMethodName === "forEach") { + // if checkForEach: true, returning a value at any path inside a forEach is not allowed + if (options.checkForEach && node.argument) { + if (options.allowVoid) { + if (isExpressionVoid(node.argument)) { + return; + } + + messageAndSuggestions.messageId = + "expectedNoReturnValue"; + messageAndSuggestions.suggest = [ + { + messageId: "prependVoid", + fix(fixer) { + return voidPrependFixer( + sourceCode, + node.argument, + fixer, + ); + }, + }, + ]; + } else { + messageAndSuggestions.messageId = + "expectedNoReturnValue"; + } + } + } else { + // if allowImplicit: false, should also check node.argument + if (!options.allowImplicit && !node.argument) { + messageAndSuggestions.messageId = "expectedReturnValue"; + } + } + + if (messageAndSuggestions.messageId) { + context.report({ + node, + messageId: messageAndSuggestions.messageId, + data: { + name: astUtils.getFunctionNameWithKind( + funcInfo.node, + ), + arrayMethodName: fullMethodName( + funcInfo.arrayMethodName, + ), + }, + suggest: + messageAndSuggestions.suggest.length !== 0 + ? messageAndSuggestions.suggest + : null, + }); + } + }, + + // Reports a given function if the last path is reachable. + "FunctionExpression:exit": checkLastSegment, + "ArrowFunctionExpression:exit": checkLastSegment, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/array-element-newline.js b/module/node_modules/eslint/lib/rules/array-element-newline.js new file mode 100644 index 000000000..d687cba01 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/array-element-newline.js @@ -0,0 +1,374 @@ +/** + * @fileoverview Rule to enforce line breaks after each array element + * @author Jan Peer Stöcklmair + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "array-element-newline", + url: "https://eslint.style/rules/array-element-newline", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce line breaks after each array element", + recommended: false, + url: "https://eslint.org/docs/latest/rules/array-element-newline", + }, + + fixable: "whitespace", + + schema: { + definitions: { + basicConfig: { + oneOf: [ + { + enum: ["always", "never", "consistent"], + }, + { + type: "object", + properties: { + multiline: { + type: "boolean", + }, + minItems: { + type: ["integer", "null"], + minimum: 0, + }, + }, + additionalProperties: false, + }, + ], + }, + }, + type: "array", + items: [ + { + oneOf: [ + { + $ref: "#/definitions/basicConfig", + }, + { + type: "object", + properties: { + ArrayExpression: { + $ref: "#/definitions/basicConfig", + }, + ArrayPattern: { + $ref: "#/definitions/basicConfig", + }, + }, + additionalProperties: false, + minProperties: 1, + }, + ], + }, + ], + }, + + messages: { + unexpectedLineBreak: "There should be no linebreak here.", + missingLineBreak: "There should be a linebreak after this element.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + //---------------------------------------------------------------------- + // Helpers + //---------------------------------------------------------------------- + + /** + * Normalizes a given option value. + * @param {string|Object|undefined} providedOption An option value to parse. + * @returns {{multiline: boolean, minItems: number}} Normalized option object. + */ + function normalizeOptionValue(providedOption) { + let consistent = false; + let multiline = false; + let minItems; + + const option = providedOption || "always"; + + if (!option || option === "always" || option.minItems === 0) { + minItems = 0; + } else if (option === "never") { + minItems = Number.POSITIVE_INFINITY; + } else if (option === "consistent") { + consistent = true; + minItems = Number.POSITIVE_INFINITY; + } else { + multiline = Boolean(option.multiline); + minItems = option.minItems || Number.POSITIVE_INFINITY; + } + + return { consistent, multiline, minItems }; + } + + /** + * Normalizes a given option value. + * @param {string|Object|undefined} options An option value to parse. + * @returns {{ArrayExpression: {multiline: boolean, minItems: number}, ArrayPattern: {multiline: boolean, minItems: number}}} Normalized option object. + */ + function normalizeOptions(options) { + if (options && (options.ArrayExpression || options.ArrayPattern)) { + let expressionOptions, patternOptions; + + if (options.ArrayExpression) { + expressionOptions = normalizeOptionValue( + options.ArrayExpression, + ); + } + + if (options.ArrayPattern) { + patternOptions = normalizeOptionValue(options.ArrayPattern); + } + + return { + ArrayExpression: expressionOptions, + ArrayPattern: patternOptions, + }; + } + + const value = normalizeOptionValue(options); + + return { ArrayExpression: value, ArrayPattern: value }; + } + + /** + * Reports that there shouldn't be a line break after the first token + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportNoLineBreak(token) { + const tokenBefore = sourceCode.getTokenBefore(token, { + includeComments: true, + }); + + context.report({ + loc: { + start: tokenBefore.loc.end, + end: token.loc.start, + }, + messageId: "unexpectedLineBreak", + fix(fixer) { + if (astUtils.isCommentToken(tokenBefore)) { + return null; + } + + if (!astUtils.isTokenOnSameLine(tokenBefore, token)) { + return fixer.replaceTextRange( + [tokenBefore.range[1], token.range[0]], + " ", + ); + } + + /* + * This will check if the comma is on the same line as the next element + * Following array: + * [ + * 1 + * , 2 + * , 3 + * ] + * + * will be fixed to: + * [ + * 1, 2, 3 + * ] + */ + const twoTokensBefore = sourceCode.getTokenBefore( + tokenBefore, + { includeComments: true }, + ); + + if (astUtils.isCommentToken(twoTokensBefore)) { + return null; + } + + return fixer.replaceTextRange( + [twoTokensBefore.range[1], tokenBefore.range[0]], + "", + ); + }, + }); + } + + /** + * Reports that there should be a line break after the first token + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportRequiredLineBreak(token) { + const tokenBefore = sourceCode.getTokenBefore(token, { + includeComments: true, + }); + + context.report({ + loc: { + start: tokenBefore.loc.end, + end: token.loc.start, + }, + messageId: "missingLineBreak", + fix(fixer) { + return fixer.replaceTextRange( + [tokenBefore.range[1], token.range[0]], + "\n", + ); + }, + }); + } + + /** + * Reports a given node if it violated this rule. + * @param {ASTNode} node A node to check. This is an ObjectExpression node or an ObjectPattern node. + * @returns {void} + */ + function check(node) { + const elements = node.elements; + const normalizedOptions = normalizeOptions(context.options[0]); + const options = normalizedOptions[node.type]; + + if (!options) { + return; + } + + let elementBreak = false; + + /* + * MULTILINE: true + * loop through every element and check + * if at least one element has linebreaks inside + * this ensures that following is not valid (due to elements are on the same line): + * + * [ + * 1, + * 2, + * 3 + * ] + */ + if (options.multiline) { + elementBreak = elements + .filter(element => element !== null) + .some( + element => + element.loc.start.line !== element.loc.end.line, + ); + } + + let linebreaksCount = 0; + + for (let i = 0; i < node.elements.length; i++) { + const element = node.elements[i]; + + const previousElement = elements[i - 1]; + + if (i === 0 || element === null || previousElement === null) { + continue; + } + + const commaToken = sourceCode.getFirstTokenBetween( + previousElement, + element, + astUtils.isCommaToken, + ); + const lastTokenOfPreviousElement = + sourceCode.getTokenBefore(commaToken); + const firstTokenOfCurrentElement = + sourceCode.getTokenAfter(commaToken); + + if ( + !astUtils.isTokenOnSameLine( + lastTokenOfPreviousElement, + firstTokenOfCurrentElement, + ) + ) { + linebreaksCount++; + } + } + + const needsLinebreaks = + elements.length >= options.minItems || + (options.multiline && elementBreak) || + (options.consistent && + linebreaksCount > 0 && + linebreaksCount < node.elements.length); + + elements.forEach((element, i) => { + const previousElement = elements[i - 1]; + + if (i === 0 || element === null || previousElement === null) { + return; + } + + const commaToken = sourceCode.getFirstTokenBetween( + previousElement, + element, + astUtils.isCommaToken, + ); + const lastTokenOfPreviousElement = + sourceCode.getTokenBefore(commaToken); + const firstTokenOfCurrentElement = + sourceCode.getTokenAfter(commaToken); + + if (needsLinebreaks) { + if ( + astUtils.isTokenOnSameLine( + lastTokenOfPreviousElement, + firstTokenOfCurrentElement, + ) + ) { + reportRequiredLineBreak(firstTokenOfCurrentElement); + } + } else { + if ( + !astUtils.isTokenOnSameLine( + lastTokenOfPreviousElement, + firstTokenOfCurrentElement, + ) + ) { + reportNoLineBreak(firstTokenOfCurrentElement); + } + } + }); + } + + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + + return { + ArrayPattern: check, + ArrayExpression: check, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/arrow-body-style.js b/module/node_modules/eslint/lib/rules/arrow-body-style.js new file mode 100644 index 000000000..8272317b5 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/arrow-body-style.js @@ -0,0 +1,418 @@ +/** + * @fileoverview Rule to require braces in arrow function body. + * @author Alberto Rodríguez + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: ["as-needed"], + + docs: { + description: "Require braces around arrow function bodies", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/arrow-body-style", + }, + + schema: { + anyOf: [ + { + type: "array", + items: [ + { + enum: ["always", "never"], + }, + ], + minItems: 0, + maxItems: 1, + }, + { + type: "array", + items: [ + { + enum: ["as-needed"], + }, + { + type: "object", + properties: { + requireReturnForObjectLiteral: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + minItems: 0, + maxItems: 2, + }, + ], + }, + + fixable: "code", + + messages: { + unexpectedOtherBlock: + "Unexpected block statement surrounding arrow body.", + unexpectedEmptyBlock: + "Unexpected block statement surrounding arrow body; put a value of `undefined` immediately after the `=>`.", + unexpectedObjectBlock: + "Unexpected block statement surrounding arrow body; parenthesize the returned value and move it immediately after the `=>`.", + unexpectedSingleBlock: + "Unexpected block statement surrounding arrow body; move the returned value immediately after the `=>`.", + expectedBlock: "Expected block statement surrounding arrow body.", + }, + }, + + create(context) { + const options = context.options; + const always = options[0] === "always"; + const asNeeded = options[0] === "as-needed"; + const never = options[0] === "never"; + const requireReturnForObjectLiteral = + options[1] && options[1].requireReturnForObjectLiteral; + const sourceCode = context.sourceCode; + let funcInfo = null; + + /** + * Checks whether the given node has ASI problem or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if it changes semantics if `;` or `}` followed by the token are removed. + */ + function hasASIProblem(token) { + return ( + token && + token.type === "Punctuator" && + /^[([/`+-]/u.test(token.value) + ); + } + + /** + * Gets the closing parenthesis by the given node. + * @param {ASTNode} node first node after an opening parenthesis. + * @returns {Token} The found closing parenthesis token. + */ + function findClosingParen(node) { + let nodeToCheck = node; + + while (!astUtils.isParenthesised(sourceCode, nodeToCheck)) { + nodeToCheck = nodeToCheck.parent; + } + return sourceCode.getTokenAfter(nodeToCheck); + } + + /** + * Check whether the node is inside of a for loop's init + * @param {ASTNode} node node is inside for loop + * @returns {boolean} `true` if the node is inside of a for loop, else `false` + */ + function isInsideForLoopInitializer(node) { + if (node && node.parent) { + if ( + node.parent.type === "ForStatement" && + node.parent.init === node + ) { + return true; + } + return isInsideForLoopInitializer(node.parent); + } + return false; + } + + /** + * Determines whether a arrow function body needs braces + * @param {ASTNode} node The arrow function node. + * @returns {void} + */ + function validate(node) { + const arrowBody = node.body; + + if (arrowBody.type === "BlockStatement") { + const blockBody = arrowBody.body; + + if (blockBody.length !== 1 && !never) { + return; + } + + if ( + asNeeded && + requireReturnForObjectLiteral && + blockBody[0].type === "ReturnStatement" && + blockBody[0].argument && + blockBody[0].argument.type === "ObjectExpression" + ) { + return; + } + + if ( + never || + (asNeeded && blockBody[0].type === "ReturnStatement") + ) { + let messageId; + + if (blockBody.length === 0) { + messageId = "unexpectedEmptyBlock"; + } else if ( + blockBody.length > 1 || + blockBody[0].type !== "ReturnStatement" + ) { + messageId = "unexpectedOtherBlock"; + } else if (blockBody[0].argument === null) { + messageId = "unexpectedSingleBlock"; + } else if ( + astUtils.isOpeningBraceToken( + sourceCode.getFirstToken(blockBody[0], { skip: 1 }), + ) + ) { + messageId = "unexpectedObjectBlock"; + } else { + messageId = "unexpectedSingleBlock"; + } + + context.report({ + node, + loc: arrowBody.loc, + messageId, + fix(fixer) { + const fixes = []; + + if ( + blockBody.length !== 1 || + blockBody[0].type !== "ReturnStatement" || + !blockBody[0].argument || + hasASIProblem( + sourceCode.getTokenAfter(arrowBody), + ) + ) { + return fixes; + } + + const openingBrace = + sourceCode.getFirstToken(arrowBody); + const closingBrace = + sourceCode.getLastToken(arrowBody); + const firstValueToken = sourceCode.getFirstToken( + blockBody[0], + 1, + ); + const lastValueToken = sourceCode.getLastToken( + blockBody[0], + ); + const commentsExist = + sourceCode.commentsExistBetween( + openingBrace, + firstValueToken, + ) || + sourceCode.commentsExistBetween( + lastValueToken, + closingBrace, + ); + + /* + * Remove tokens around the return value. + * If comments don't exist, remove extra spaces as well. + */ + if (commentsExist) { + fixes.push( + fixer.remove(openingBrace), + fixer.remove(closingBrace), + fixer.remove( + sourceCode.getTokenAfter(openingBrace), + ), // return keyword + ); + } else { + fixes.push( + fixer.removeRange([ + openingBrace.range[0], + firstValueToken.range[0], + ]), + fixer.removeRange([ + lastValueToken.range[1], + closingBrace.range[1], + ]), + ); + } + + /* + * If the first token of the return value is `{` or the return value is a sequence expression, + * enclose the return value by parentheses to avoid syntax error. + */ + if ( + astUtils.isOpeningBraceToken(firstValueToken) || + blockBody[0].argument.type === + "SequenceExpression" || + (funcInfo.hasInOperator && + isInsideForLoopInitializer(node)) + ) { + if ( + !astUtils.isParenthesised( + sourceCode, + blockBody[0].argument, + ) + ) { + fixes.push( + fixer.insertTextBefore( + firstValueToken, + "(", + ), + fixer.insertTextAfter( + lastValueToken, + ")", + ), + ); + } + } + + /* + * If the last token of the return statement is semicolon, remove it. + * Non-block arrow body is an expression, not a statement. + */ + if (astUtils.isSemicolonToken(lastValueToken)) { + fixes.push(fixer.remove(lastValueToken)); + } + + return fixes; + }, + }); + } + } else { + if ( + always || + (asNeeded && + requireReturnForObjectLiteral && + arrowBody.type === "ObjectExpression") + ) { + context.report({ + node, + loc: arrowBody.loc, + messageId: "expectedBlock", + fix(fixer) { + const fixes = []; + const arrowToken = sourceCode.getTokenBefore( + arrowBody, + astUtils.isArrowToken, + ); + const [ + firstTokenAfterArrow, + secondTokenAfterArrow, + ] = sourceCode.getTokensAfter(arrowToken, { + count: 2, + }); + const lastToken = sourceCode.getLastToken(node); + + let parenthesisedObjectLiteral = null; + + if ( + astUtils.isOpeningParenToken( + firstTokenAfterArrow, + ) && + astUtils.isOpeningBraceToken( + secondTokenAfterArrow, + ) + ) { + const braceNode = + sourceCode.getNodeByRangeIndex( + secondTokenAfterArrow.range[0], + ); + + if (braceNode.type === "ObjectExpression") { + parenthesisedObjectLiteral = braceNode; + } + } + + // If the value is object literal, remove parentheses which were forced by syntax. + if (parenthesisedObjectLiteral) { + const openingParenToken = firstTokenAfterArrow; + const openingBraceToken = secondTokenAfterArrow; + + if ( + astUtils.isTokenOnSameLine( + openingParenToken, + openingBraceToken, + ) + ) { + fixes.push( + fixer.replaceText( + openingParenToken, + "{return ", + ), + ); + } else { + // Avoid ASI + fixes.push( + fixer.replaceText( + openingParenToken, + "{", + ), + fixer.insertTextBefore( + openingBraceToken, + "return ", + ), + ); + } + + // Closing paren for the object doesn't have to be lastToken, e.g.: () => ({}).foo() + fixes.push( + fixer.remove( + findClosingParen( + parenthesisedObjectLiteral, + ), + ), + ); + fixes.push( + fixer.insertTextAfter(lastToken, "}"), + ); + } else { + fixes.push( + fixer.insertTextBefore( + firstTokenAfterArrow, + "{return ", + ), + ); + fixes.push( + fixer.insertTextAfter(lastToken, "}"), + ); + } + + return fixes; + }, + }); + } + } + } + + return { + "BinaryExpression[operator='in']"() { + let info = funcInfo; + + while (info) { + info.hasInOperator = true; + info = info.upper; + } + }, + ArrowFunctionExpression() { + funcInfo = { + upper: funcInfo, + hasInOperator: false, + }; + }, + "ArrowFunctionExpression:exit"(node) { + validate(node); + funcInfo = funcInfo.upper; + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/arrow-parens.js b/module/node_modules/eslint/lib/rules/arrow-parens.js new file mode 100644 index 000000000..bbb3d3353 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/arrow-parens.js @@ -0,0 +1,237 @@ +/** + * @fileoverview Rule to require parens in arrow function arguments. + * @author Jxck + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines if the given arrow function has block body. + * @param {ASTNode} node `ArrowFunctionExpression` node. + * @returns {boolean} `true` if the function has block body. + */ +function hasBlockBody(node) { + return node.body.type === "BlockStatement"; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "arrow-parens", + url: "https://eslint.style/rules/arrow-parens", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Require parentheses around arrow function arguments", + recommended: false, + url: "https://eslint.org/docs/latest/rules/arrow-parens", + }, + + fixable: "code", + + schema: [ + { + enum: ["always", "as-needed"], + }, + { + type: "object", + properties: { + requireForBlockBody: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedParens: + "Unexpected parentheses around single function argument.", + expectedParens: + "Expected parentheses around arrow function argument.", + + unexpectedParensInline: + "Unexpected parentheses around single function argument having a body with no curly braces.", + expectedParensBlock: + "Expected parentheses around arrow function argument having a body with curly braces.", + }, + }, + + create(context) { + const asNeeded = context.options[0] === "as-needed"; + const requireForBlockBody = + asNeeded && + context.options[1] && + context.options[1].requireForBlockBody === true; + + const sourceCode = context.sourceCode; + + /** + * Finds opening paren of parameters for the given arrow function, if it exists. + * It is assumed that the given arrow function has exactly one parameter. + * @param {ASTNode} node `ArrowFunctionExpression` node. + * @returns {Token|null} the opening paren, or `null` if the given arrow function doesn't have parens of parameters. + */ + function findOpeningParenOfParams(node) { + const tokenBeforeParams = sourceCode.getTokenBefore(node.params[0]); + + if ( + tokenBeforeParams && + astUtils.isOpeningParenToken(tokenBeforeParams) && + node.range[0] <= tokenBeforeParams.range[0] + ) { + return tokenBeforeParams; + } + + return null; + } + + /** + * Finds closing paren of parameters for the given arrow function. + * It is assumed that the given arrow function has parens of parameters and that it has exactly one parameter. + * @param {ASTNode} node `ArrowFunctionExpression` node. + * @returns {Token} the closing paren of parameters. + */ + function getClosingParenOfParams(node) { + return sourceCode.getTokenAfter( + node.params[0], + astUtils.isClosingParenToken, + ); + } + + /** + * Determines whether the given arrow function has comments inside parens of parameters. + * It is assumed that the given arrow function has parens of parameters. + * @param {ASTNode} node `ArrowFunctionExpression` node. + * @param {Token} openingParen Opening paren of parameters. + * @returns {boolean} `true` if the function has at least one comment inside of parens of parameters. + */ + function hasCommentsInParensOfParams(node, openingParen) { + return sourceCode.commentsExistBetween( + openingParen, + getClosingParenOfParams(node), + ); + } + + /** + * Determines whether the given arrow function has unexpected tokens before opening paren of parameters, + * in which case it will be assumed that the existing parens of parameters are necessary. + * Only tokens within the range of the arrow function (tokens that are part of the arrow function) are taken into account. + * Example: (a) => b + * @param {ASTNode} node `ArrowFunctionExpression` node. + * @param {Token} openingParen Opening paren of parameters. + * @returns {boolean} `true` if the function has at least one unexpected token. + */ + function hasUnexpectedTokensBeforeOpeningParen(node, openingParen) { + const expectedCount = node.async ? 1 : 0; + + return ( + sourceCode.getFirstToken(node, { skip: expectedCount }) !== + openingParen + ); + } + + return { + "ArrowFunctionExpression[params.length=1]"(node) { + const shouldHaveParens = + !asNeeded || (requireForBlockBody && hasBlockBody(node)); + const openingParen = findOpeningParenOfParams(node); + const hasParens = openingParen !== null; + const [param] = node.params; + + if (shouldHaveParens && !hasParens) { + context.report({ + node, + messageId: requireForBlockBody + ? "expectedParensBlock" + : "expectedParens", + loc: param.loc, + *fix(fixer) { + yield fixer.insertTextBefore(param, "("); + yield fixer.insertTextAfter(param, ")"); + }, + }); + } + + if ( + !shouldHaveParens && + hasParens && + param.type === "Identifier" && + !param.typeAnnotation && + !node.returnType && + !hasCommentsInParensOfParams(node, openingParen) && + !hasUnexpectedTokensBeforeOpeningParen(node, openingParen) + ) { + context.report({ + node, + messageId: requireForBlockBody + ? "unexpectedParensInline" + : "unexpectedParens", + loc: param.loc, + *fix(fixer) { + const tokenBeforeOpeningParen = + sourceCode.getTokenBefore(openingParen); + const closingParen = getClosingParenOfParams(node); + + if ( + tokenBeforeOpeningParen && + tokenBeforeOpeningParen.range[1] === + openingParen.range[0] && + !astUtils.canTokensBeAdjacent( + tokenBeforeOpeningParen, + sourceCode.getFirstToken(param), + ) + ) { + yield fixer.insertTextBefore(openingParen, " "); + } + + // remove parens, whitespace inside parens, and possible trailing comma + yield fixer.removeRange([ + openingParen.range[0], + param.range[0], + ]); + yield fixer.removeRange([ + param.range[1], + closingParen.range[1], + ]); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/arrow-spacing.js b/module/node_modules/eslint/lib/rules/arrow-spacing.js new file mode 100644 index 000000000..21b20531e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/arrow-spacing.js @@ -0,0 +1,188 @@ +/** + * @fileoverview Rule to define spacing before/after arrow function's arrow. + * @author Jxck + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "arrow-spacing", + url: "https://eslint.style/rules/arrow-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce consistent spacing before and after the arrow in arrow functions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/arrow-spacing", + }, + + fixable: "whitespace", + + schema: [ + { + type: "object", + properties: { + before: { + type: "boolean", + default: true, + }, + after: { + type: "boolean", + default: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + expectedBefore: "Missing space before =>.", + unexpectedBefore: "Unexpected space before =>.", + + expectedAfter: "Missing space after =>.", + unexpectedAfter: "Unexpected space after =>.", + }, + }, + + create(context) { + // merge rules with default + const rule = Object.assign({}, context.options[0]); + + rule.before = rule.before !== false; + rule.after = rule.after !== false; + + const sourceCode = context.sourceCode; + + /** + * Get tokens of arrow(`=>`) and before/after arrow. + * @param {ASTNode} node The arrow function node. + * @returns {Object} Tokens of arrow and before/after arrow. + */ + function getTokens(node) { + const arrow = sourceCode.getTokenBefore( + node.body, + astUtils.isArrowToken, + ); + + return { + before: sourceCode.getTokenBefore(arrow), + arrow, + after: sourceCode.getTokenAfter(arrow), + }; + } + + /** + * Count spaces before/after arrow(`=>`) token. + * @param {Object} tokens Tokens before/after arrow. + * @returns {Object} count of space before/after arrow. + */ + function countSpaces(tokens) { + const before = tokens.arrow.range[0] - tokens.before.range[1]; + const after = tokens.after.range[0] - tokens.arrow.range[1]; + + return { before, after }; + } + + /** + * Determines whether space(s) before after arrow(`=>`) is satisfy rule. + * if before/after value is `true`, there should be space(s). + * if before/after value is `false`, there should be no space. + * @param {ASTNode} node The arrow function node. + * @returns {void} + */ + function spaces(node) { + const tokens = getTokens(node); + const countSpace = countSpaces(tokens); + + if (rule.before) { + // should be space(s) before arrow + if (countSpace.before === 0) { + context.report({ + node: tokens.before, + messageId: "expectedBefore", + fix(fixer) { + return fixer.insertTextBefore(tokens.arrow, " "); + }, + }); + } + } else { + // should be no space before arrow + if (countSpace.before > 0) { + context.report({ + node: tokens.before, + messageId: "unexpectedBefore", + fix(fixer) { + return fixer.removeRange([ + tokens.before.range[1], + tokens.arrow.range[0], + ]); + }, + }); + } + } + + if (rule.after) { + // should be space(s) after arrow + if (countSpace.after === 0) { + context.report({ + node: tokens.after, + messageId: "expectedAfter", + fix(fixer) { + return fixer.insertTextAfter(tokens.arrow, " "); + }, + }); + } + } else { + // should be no space after arrow + if (countSpace.after > 0) { + context.report({ + node: tokens.after, + messageId: "unexpectedAfter", + fix(fixer) { + return fixer.removeRange([ + tokens.arrow.range[1], + tokens.after.range[0], + ]); + }, + }); + } + } + } + + return { + ArrowFunctionExpression: spaces, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/block-scoped-var.js b/module/node_modules/eslint/lib/rules/block-scoped-var.js new file mode 100644 index 000000000..e79bec51f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/block-scoped-var.js @@ -0,0 +1,137 @@ +/** + * @fileoverview Rule to check for "block scoped" variables by binding context + * @author Matt DuVall + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Enforce the use of variables within the scope they are defined", + recommended: false, + url: "https://eslint.org/docs/latest/rules/block-scoped-var", + }, + + schema: [], + + messages: { + outOfScope: + "'{{name}}' declared on line {{definitionLine}} column {{definitionColumn}} is used outside of binding context.", + }, + }, + + create(context) { + let stack = []; + const sourceCode = context.sourceCode; + + /** + * Makes a block scope. + * @param {ASTNode} node A node of a scope. + * @returns {void} + */ + function enterScope(node) { + stack.push(node.range); + } + + /** + * Pops the last block scope. + * @returns {void} + */ + function exitScope() { + stack.pop(); + } + + /** + * Reports a given reference. + * @param {eslint-scope.Reference} reference A reference to report. + * @param {eslint-scope.Definition} definition A definition for which to report reference. + * @returns {void} + */ + function report(reference, definition) { + const identifier = reference.identifier; + const definitionPosition = definition.name.loc.start; + + context.report({ + node: identifier, + messageId: "outOfScope", + data: { + name: identifier.name, + definitionLine: definitionPosition.line, + definitionColumn: definitionPosition.column + 1, + }, + }); + } + + /** + * Finds and reports references which are outside of valid scopes. + * @param {ASTNode} node A node to get variables. + * @returns {void} + */ + function checkForVariables(node) { + if (node.kind !== "var") { + return; + } + + // Defines a predicate to check whether or not a given reference is outside of valid scope. + const scopeRange = stack.at(-1); + + /** + * Check if a reference is out of scope + * @param {ASTNode} reference node to examine + * @returns {boolean} True is its outside the scope + * @private + */ + function isOutsideOfScope(reference) { + const idRange = reference.identifier.range; + + return idRange[0] < scopeRange[0] || idRange[1] > scopeRange[1]; + } + + // Gets declared variables, and checks its references. + const variables = sourceCode.getDeclaredVariables(node); + + for (let i = 0; i < variables.length; ++i) { + // Reports. + variables[i].references.filter(isOutsideOfScope).forEach(ref => + report( + ref, + variables[i].defs.find(def => def.parent === node), + ), + ); + } + } + + return { + Program(node) { + stack = [node.range]; + }, + + // Manages scopes. + BlockStatement: enterScope, + "BlockStatement:exit": exitScope, + ForStatement: enterScope, + "ForStatement:exit": exitScope, + ForInStatement: enterScope, + "ForInStatement:exit": exitScope, + ForOfStatement: enterScope, + "ForOfStatement:exit": exitScope, + SwitchStatement: enterScope, + "SwitchStatement:exit": exitScope, + CatchClause: enterScope, + "CatchClause:exit": exitScope, + StaticBlock: enterScope, + "StaticBlock:exit": exitScope, + + // Finds and reports references which are outside of valid scope. + VariableDeclaration: checkForVariables, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/block-spacing.js b/module/node_modules/eslint/lib/rules/block-spacing.js new file mode 100644 index 000000000..009f0586e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/block-spacing.js @@ -0,0 +1,202 @@ +/** + * @fileoverview A rule to disallow or enforce spaces inside of single line blocks. + * @author Toru Nagashima + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +const util = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "block-spacing", + url: "https://eslint.style/rules/block-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Disallow or enforce spaces inside of blocks after opening block and before closing block", + recommended: false, + url: "https://eslint.org/docs/latest/rules/block-spacing", + }, + + fixable: "whitespace", + + schema: [{ enum: ["always", "never"] }], + + messages: { + missing: "Requires a space {{location}} '{{token}}'.", + extra: "Unexpected space(s) {{location}} '{{token}}'.", + }, + }, + + create(context) { + const always = context.options[0] !== "never", + messageId = always ? "missing" : "extra", + sourceCode = context.sourceCode; + + /** + * Gets the open brace token from a given node. + * @param {ASTNode} node A BlockStatement/StaticBlock/SwitchStatement node to get. + * @returns {Token} The token of the open brace. + */ + function getOpenBrace(node) { + if (node.type === "SwitchStatement") { + if (node.cases.length > 0) { + return sourceCode.getTokenBefore(node.cases[0]); + } + return sourceCode.getLastToken(node, 1); + } + + if (node.type === "StaticBlock") { + return sourceCode.getFirstToken(node, { skip: 1 }); // skip the `static` token + } + + // "BlockStatement" + return sourceCode.getFirstToken(node); + } + + /** + * Checks whether or not: + * - given tokens are on same line. + * - there is/isn't a space between given tokens. + * @param {Token} left A token to check. + * @param {Token} right The token which is next to `left`. + * @returns {boolean} + * When the option is `"always"`, `true` if there are one or more spaces between given tokens. + * When the option is `"never"`, `true` if there are not any spaces between given tokens. + * If given tokens are not on same line, it's always `true`. + */ + function isValid(left, right) { + return ( + !util.isTokenOnSameLine(left, right) || + sourceCode.isSpaceBetweenTokens(left, right) === always + ); + } + + /** + * Checks and reports invalid spacing style inside braces. + * @param {ASTNode} node A BlockStatement/StaticBlock/SwitchStatement node to check. + * @returns {void} + */ + function checkSpacingInsideBraces(node) { + // Gets braces and the first/last token of content. + const openBrace = getOpenBrace(node); + const closeBrace = sourceCode.getLastToken(node); + const firstToken = sourceCode.getTokenAfter(openBrace, { + includeComments: true, + }); + const lastToken = sourceCode.getTokenBefore(closeBrace, { + includeComments: true, + }); + + // Skip if the node is invalid or empty. + if ( + openBrace.type !== "Punctuator" || + openBrace.value !== "{" || + closeBrace.type !== "Punctuator" || + closeBrace.value !== "}" || + firstToken === closeBrace + ) { + return; + } + + // Skip line comments for option never + if (!always && firstToken.type === "Line") { + return; + } + + // Check. + if (!isValid(openBrace, firstToken)) { + let loc = openBrace.loc; + + if (messageId === "extra") { + loc = { + start: openBrace.loc.end, + end: firstToken.loc.start, + }; + } + + context.report({ + node, + loc, + messageId, + data: { + location: "after", + token: openBrace.value, + }, + fix(fixer) { + if (always) { + return fixer.insertTextBefore(firstToken, " "); + } + + return fixer.removeRange([ + openBrace.range[1], + firstToken.range[0], + ]); + }, + }); + } + if (!isValid(lastToken, closeBrace)) { + let loc = closeBrace.loc; + + if (messageId === "extra") { + loc = { + start: lastToken.loc.end, + end: closeBrace.loc.start, + }; + } + context.report({ + node, + loc, + messageId, + data: { + location: "before", + token: closeBrace.value, + }, + fix(fixer) { + if (always) { + return fixer.insertTextAfter(lastToken, " "); + } + + return fixer.removeRange([ + lastToken.range[1], + closeBrace.range[0], + ]); + }, + }); + } + } + + return { + BlockStatement: checkSpacingInsideBraces, + StaticBlock: checkSpacingInsideBraces, + SwitchStatement: checkSpacingInsideBraces, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/brace-style.js b/module/node_modules/eslint/lib/rules/brace-style.js new file mode 100644 index 000000000..f43884003 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/brace-style.js @@ -0,0 +1,278 @@ +/** + * @fileoverview Rule to flag block statements that do not use the one true brace style + * @author Ian Christian Myers + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "brace-style", + url: "https://eslint.style/rules/brace-style", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent brace style for blocks", + recommended: false, + url: "https://eslint.org/docs/latest/rules/brace-style", + }, + + schema: [ + { + enum: ["1tbs", "stroustrup", "allman"], + }, + { + type: "object", + properties: { + allowSingleLine: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + + fixable: "whitespace", + + messages: { + nextLineOpen: + "Opening curly brace does not appear on the same line as controlling statement.", + sameLineOpen: + "Opening curly brace appears on the same line as controlling statement.", + blockSameLine: + "Statement inside of curly braces should be on next line.", + nextLineClose: + "Closing curly brace does not appear on the same line as the subsequent block.", + singleLineClose: + "Closing curly brace should be on the same line as opening curly brace or on the line after the previous block.", + sameLineClose: + "Closing curly brace appears on the same line as the subsequent block.", + }, + }, + + create(context) { + const style = context.options[0] || "1tbs", + params = context.options[1] || {}, + sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Fixes a place where a newline unexpectedly appears + * @param {Token} firstToken The token before the unexpected newline + * @param {Token} secondToken The token after the unexpected newline + * @returns {Function} A fixer function to remove the newlines between the tokens + */ + function removeNewlineBetween(firstToken, secondToken) { + const textRange = [firstToken.range[1], secondToken.range[0]]; + const textBetween = sourceCode.text.slice( + textRange[0], + textRange[1], + ); + + // Don't do a fix if there is a comment between the tokens + if (textBetween.trim()) { + return null; + } + return fixer => fixer.replaceTextRange(textRange, " "); + } + + /** + * Validates a pair of curly brackets based on the user's config + * @param {Token} openingCurly The opening curly bracket + * @param {Token} closingCurly The closing curly bracket + * @returns {void} + */ + function validateCurlyPair(openingCurly, closingCurly) { + const tokenBeforeOpeningCurly = + sourceCode.getTokenBefore(openingCurly); + const tokenAfterOpeningCurly = + sourceCode.getTokenAfter(openingCurly); + const tokenBeforeClosingCurly = + sourceCode.getTokenBefore(closingCurly); + const singleLineException = + params.allowSingleLine && + astUtils.isTokenOnSameLine(openingCurly, closingCurly); + + if ( + style !== "allman" && + !astUtils.isTokenOnSameLine( + tokenBeforeOpeningCurly, + openingCurly, + ) + ) { + context.report({ + node: openingCurly, + messageId: "nextLineOpen", + fix: removeNewlineBetween( + tokenBeforeOpeningCurly, + openingCurly, + ), + }); + } + + if ( + style === "allman" && + astUtils.isTokenOnSameLine( + tokenBeforeOpeningCurly, + openingCurly, + ) && + !singleLineException + ) { + context.report({ + node: openingCurly, + messageId: "sameLineOpen", + fix: fixer => fixer.insertTextBefore(openingCurly, "\n"), + }); + } + + if ( + astUtils.isTokenOnSameLine( + openingCurly, + tokenAfterOpeningCurly, + ) && + tokenAfterOpeningCurly !== closingCurly && + !singleLineException + ) { + context.report({ + node: openingCurly, + messageId: "blockSameLine", + fix: fixer => fixer.insertTextAfter(openingCurly, "\n"), + }); + } + + if ( + tokenBeforeClosingCurly !== openingCurly && + !singleLineException && + astUtils.isTokenOnSameLine( + tokenBeforeClosingCurly, + closingCurly, + ) + ) { + context.report({ + node: closingCurly, + messageId: "singleLineClose", + fix: fixer => fixer.insertTextBefore(closingCurly, "\n"), + }); + } + } + + /** + * Validates the location of a token that appears before a keyword (e.g. a newline before `else`) + * @param {Token} curlyToken The closing curly token. This is assumed to precede a keyword token (such as `else` or `finally`). + * @returns {void} + */ + function validateCurlyBeforeKeyword(curlyToken) { + const keywordToken = sourceCode.getTokenAfter(curlyToken); + + if ( + style === "1tbs" && + !astUtils.isTokenOnSameLine(curlyToken, keywordToken) + ) { + context.report({ + node: curlyToken, + messageId: "nextLineClose", + fix: removeNewlineBetween(curlyToken, keywordToken), + }); + } + + if ( + style !== "1tbs" && + astUtils.isTokenOnSameLine(curlyToken, keywordToken) + ) { + context.report({ + node: curlyToken, + messageId: "sameLineClose", + fix: fixer => fixer.insertTextAfter(curlyToken, "\n"), + }); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + BlockStatement(node) { + if (!astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type)) { + validateCurlyPair( + sourceCode.getFirstToken(node), + sourceCode.getLastToken(node), + ); + } + }, + StaticBlock(node) { + validateCurlyPair( + sourceCode.getFirstToken(node, { skip: 1 }), // skip the `static` token + sourceCode.getLastToken(node), + ); + }, + ClassBody(node) { + validateCurlyPair( + sourceCode.getFirstToken(node), + sourceCode.getLastToken(node), + ); + }, + SwitchStatement(node) { + const closingCurly = sourceCode.getLastToken(node); + const openingCurly = sourceCode.getTokenBefore( + node.cases.length ? node.cases[0] : closingCurly, + ); + + validateCurlyPair(openingCurly, closingCurly); + }, + IfStatement(node) { + if ( + node.consequent.type === "BlockStatement" && + node.alternate + ) { + // Handle the keyword after the `if` block (before `else`) + validateCurlyBeforeKeyword( + sourceCode.getLastToken(node.consequent), + ); + } + }, + TryStatement(node) { + // Handle the keyword after the `try` block (before `catch` or `finally`) + validateCurlyBeforeKeyword(sourceCode.getLastToken(node.block)); + + if (node.handler && node.finalizer) { + // Handle the keyword after the `catch` block (before `finally`) + validateCurlyBeforeKeyword( + sourceCode.getLastToken(node.handler.body), + ); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/callback-return.js b/module/node_modules/eslint/lib/rules/callback-return.js new file mode 100644 index 000000000..471ecf261 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/callback-return.js @@ -0,0 +1,216 @@ +/** + * @fileoverview Enforce return after a callback. + * @author Jamund Ferguson + * @deprecated in ESLint v7.0.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Node.js rules were moved out of ESLint core.", + url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules", + deprecatedSince: "7.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "eslint-plugin-n now maintains deprecated Node.js-related rules.", + plugin: { + name: "eslint-plugin-n", + url: "https://github.com/eslint-community/eslint-plugin-n", + }, + rule: { + name: "callback-return", + url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/callback-return.md", + }, + }, + ], + }, + + type: "suggestion", + + docs: { + description: "Require `return` statements after callbacks", + recommended: false, + url: "https://eslint.org/docs/latest/rules/callback-return", + }, + + schema: [ + { + type: "array", + items: { type: "string" }, + }, + ], + + messages: { + missingReturn: "Expected return with your callback function.", + }, + }, + + create(context) { + const callbacks = context.options[0] || ["callback", "cb", "next"], + sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Find the closest parent matching a list of types. + * @param {ASTNode} node The node whose parents we are searching + * @param {Array} types The node types to match + * @returns {ASTNode} The matched node or undefined. + */ + function findClosestParentOfType(node, types) { + if (!node.parent) { + return null; + } + if (!types.includes(node.parent.type)) { + return findClosestParentOfType(node.parent, types); + } + return node.parent; + } + + /** + * Check to see if a node contains only identifiers + * @param {ASTNode} node The node to check + * @returns {boolean} Whether or not the node contains only identifiers + */ + function containsOnlyIdentifiers(node) { + if (node.type === "Identifier") { + return true; + } + + if (node.type === "MemberExpression") { + if (node.object.type === "Identifier") { + return true; + } + if (node.object.type === "MemberExpression") { + return containsOnlyIdentifiers(node.object); + } + } + + return false; + } + + /** + * Check to see if a CallExpression is in our callback list. + * @param {ASTNode} node The node to check against our callback names list. + * @returns {boolean} Whether or not this function matches our callback name. + */ + function isCallback(node) { + return ( + containsOnlyIdentifiers(node.callee) && + callbacks.includes(sourceCode.getText(node.callee)) + ); + } + + /** + * Determines whether or not the callback is part of a callback expression. + * @param {ASTNode} node The callback node + * @param {ASTNode} parentNode The expression node + * @returns {boolean} Whether or not this is part of a callback expression + */ + function isCallbackExpression(node, parentNode) { + // ensure the parent node exists and is an expression + if (!parentNode || parentNode.type !== "ExpressionStatement") { + return false; + } + + // cb() + if (parentNode.expression === node) { + return true; + } + + // special case for cb && cb() and similar + if ( + parentNode.expression.type === "BinaryExpression" || + parentNode.expression.type === "LogicalExpression" + ) { + if (parentNode.expression.right === node) { + return true; + } + } + + return false; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + CallExpression(node) { + // if we're not a callback we can return + if (!isCallback(node)) { + return; + } + + // find the closest block, return or loop + const closestBlock = + findClosestParentOfType(node, [ + "BlockStatement", + "ReturnStatement", + "ArrowFunctionExpression", + ]) || {}; + + // if our parent is a return we know we're ok + if (closestBlock.type === "ReturnStatement") { + return; + } + + // arrow functions don't always have blocks and implicitly return + if (closestBlock.type === "ArrowFunctionExpression") { + return; + } + + // block statements are part of functions and most if statements + if (closestBlock.type === "BlockStatement") { + // find the last item in the block + const lastItem = closestBlock.body.at(-1); + + // if the callback is the last thing in a block that might be ok + if (isCallbackExpression(node, lastItem)) { + const parentType = closestBlock.parent.type; + + // but only if the block is part of a function + if ( + parentType === "FunctionExpression" || + parentType === "FunctionDeclaration" || + parentType === "ArrowFunctionExpression" + ) { + return; + } + } + + // ending a block with a return is also ok + if (lastItem.type === "ReturnStatement") { + // but only if the callback is immediately before + if ( + isCallbackExpression(node, closestBlock.body.at(-2)) + ) { + return; + } + } + } + + // as long as you're the child of a function at this point you should be asked to return + if ( + findClosestParentOfType(node, [ + "FunctionDeclaration", + "FunctionExpression", + "ArrowFunctionExpression", + ]) + ) { + context.report({ node, messageId: "missingReturn" }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/camelcase.js b/module/node_modules/eslint/lib/rules/camelcase.js new file mode 100644 index 000000000..dad6b120b --- /dev/null +++ b/module/node_modules/eslint/lib/rules/camelcase.js @@ -0,0 +1,422 @@ +/** + * @fileoverview Rule to flag non-camelcased identifiers + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + allow: [], + ignoreDestructuring: false, + ignoreGlobals: false, + ignoreImports: false, + properties: "always", + }, + ], + + docs: { + description: "Enforce camelcase naming convention", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/camelcase", + }, + + schema: [ + { + type: "object", + properties: { + ignoreDestructuring: { + type: "boolean", + }, + ignoreImports: { + type: "boolean", + }, + ignoreGlobals: { + type: "boolean", + }, + properties: { + enum: ["always", "never"], + }, + allow: { + type: "array", + items: { + type: "string", + }, + minItems: 0, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + notCamelCase: "Identifier '{{name}}' is not in camel case.", + notCamelCasePrivate: "#{{name}} is not in camel case.", + }, + }, + + create(context) { + const [ + { + allow, + ignoreDestructuring, + ignoreGlobals, + ignoreImports, + properties, + }, + ] = context.options; + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + // contains reported nodes to avoid reporting twice on destructuring with shorthand notation + const reported = new Set(); + + /** + * Checks if a string contains an underscore and isn't all upper-case + * @param {string} name The string to check. + * @returns {boolean} if the string is underscored + * @private + */ + function isUnderscored(name) { + const nameBody = name.replace(/^_+|_+$/gu, ""); + + // if there's an underscore, it might be A_CONSTANT, which is okay + return ( + nameBody.includes("_") && nameBody !== nameBody.toUpperCase() + ); + } + + /** + * Checks if a string match the ignore list + * @param {string} name The string to check. + * @returns {boolean} if the string is ignored + * @private + */ + function isAllowed(name) { + return allow.some( + entry => name === entry || name.match(new RegExp(entry, "u")), + ); + } + + /** + * Checks if a given name is good or not. + * @param {string} name The name to check. + * @returns {boolean} `true` if the name is good. + * @private + */ + function isGoodName(name) { + return !isUnderscored(name) || isAllowed(name); + } + + /** + * Checks if a given identifier reference or member expression is an assignment + * target. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is an assignment target. + */ + function isAssignmentTarget(node) { + const parent = node.parent; + + switch (parent.type) { + case "AssignmentExpression": + case "AssignmentPattern": + return parent.left === node; + + case "Property": + return ( + parent.parent.type === "ObjectPattern" && + parent.value === node + ); + case "ArrayPattern": + case "RestElement": + return true; + + default: + return false; + } + } + + /** + * Checks if a given binding identifier uses the original name as-is. + * - If it's in object destructuring or object expression, the original name is its property name. + * - If it's in import declaration, the original name is its exported name. + * @param {ASTNode} node The `Identifier` node to check. + * @returns {boolean} `true` if the identifier uses the original name as-is. + */ + function equalsToOriginalName(node) { + const localName = node.name; + const valueNode = + node.parent.type === "AssignmentPattern" ? node.parent : node; + const parent = valueNode.parent; + + switch (parent.type) { + case "Property": + return ( + (parent.parent.type === "ObjectPattern" || + parent.parent.type === "ObjectExpression") && + parent.value === valueNode && + !parent.computed && + parent.key.type === "Identifier" && + parent.key.name === localName + ); + + case "ImportSpecifier": + return ( + parent.local === node && + astUtils.getModuleExportName(parent.imported) === + localName + ); + + default: + return false; + } + } + + /** + * Reports an AST node as a rule violation. + * @param {ASTNode} node The node to report. + * @returns {void} + * @private + */ + function report(node) { + if (reported.has(node.range[0])) { + return; + } + reported.add(node.range[0]); + + // Report it. + context.report({ + node, + messageId: + node.type === "PrivateIdentifier" + ? "notCamelCasePrivate" + : "notCamelCase", + data: { name: node.name }, + }); + } + + /** + * Reports an identifier reference or a binding identifier. + * @param {ASTNode} node The `Identifier` node to report. + * @returns {void} + */ + function reportReferenceId(node) { + /* + * For backward compatibility, if it's in callings then ignore it. + * Not sure why it is. + */ + if ( + node.parent.type === "CallExpression" || + node.parent.type === "NewExpression" + ) { + return; + } + + /* + * For backward compatibility, if it's a default value of + * destructuring/parameters then ignore it. + * Not sure why it is. + */ + if ( + node.parent.type === "AssignmentPattern" && + node.parent.right === node + ) { + return; + } + + /* + * The `ignoreDestructuring` flag skips the identifiers that uses + * the property name as-is. + */ + if (ignoreDestructuring && equalsToOriginalName(node)) { + return; + } + + /* + * Import attribute keys are always ignored + */ + if (astUtils.isImportAttributeKey(node)) { + return; + } + + report(node); + } + + return { + // Report camelcase of global variable references ------------------ + Program(node) { + const scope = sourceCode.getScope(node); + + if (!ignoreGlobals) { + // Defined globals in config files or directive comments. + for (const variable of scope.variables) { + if ( + variable.identifiers.length > 0 || + isGoodName(variable.name) + ) { + continue; + } + for (const reference of variable.references) { + /* + * For backward compatibility, this rule reports read-only + * references as well. + */ + reportReferenceId(reference.identifier); + } + } + } + + // Undefined globals. + for (const reference of scope.through) { + const id = reference.identifier; + + if ( + isGoodName(id.name) || + astUtils.isImportAttributeKey(id) + ) { + continue; + } + + /* + * For backward compatibility, this rule reports read-only + * references as well. + */ + reportReferenceId(id); + } + }, + + // Report camelcase of declared variables -------------------------- + [[ + "VariableDeclaration", + "FunctionDeclaration", + "FunctionExpression", + "ArrowFunctionExpression", + "ClassDeclaration", + "ClassExpression", + "CatchClause", + ]](node) { + for (const variable of sourceCode.getDeclaredVariables(node)) { + if (isGoodName(variable.name)) { + continue; + } + const id = variable.identifiers[0]; + + // Report declaration. + if (!(ignoreDestructuring && equalsToOriginalName(id))) { + report(id); + } + + /* + * For backward compatibility, report references as well. + * It looks unnecessary because declarations are reported. + */ + for (const reference of variable.references) { + if (reference.init) { + continue; // Skip the write references of initializers. + } + reportReferenceId(reference.identifier); + } + } + }, + + // Report camelcase in properties ---------------------------------- + [[ + "ObjectExpression > Property[computed!=true] > Identifier.key", + "MethodDefinition[computed!=true] > Identifier.key", + "PropertyDefinition[computed!=true] > Identifier.key", + "MethodDefinition > PrivateIdentifier.key", + "PropertyDefinition > PrivateIdentifier.key", + ]](node) { + if ( + properties === "never" || + astUtils.isImportAttributeKey(node) || + isGoodName(node.name) + ) { + return; + } + report(node); + }, + "MemberExpression[computed!=true] > Identifier.property"(node) { + if ( + properties === "never" || + !isAssignmentTarget(node.parent) || // ← ignore read-only references. + isGoodName(node.name) + ) { + return; + } + report(node); + }, + + // Report camelcase in import -------------------------------------- + ImportDeclaration(node) { + for (const variable of sourceCode.getDeclaredVariables(node)) { + if (isGoodName(variable.name)) { + continue; + } + const id = variable.identifiers[0]; + + // Report declaration. + if (!(ignoreImports && equalsToOriginalName(id))) { + report(id); + } + + /* + * For backward compatibility, report references as well. + * It looks unnecessary because declarations are reported. + */ + for (const reference of variable.references) { + reportReferenceId(reference.identifier); + } + } + }, + + // Report camelcase in re-export ----------------------------------- + [[ + "ExportAllDeclaration > Identifier.exported", + "ExportSpecifier > Identifier.exported", + ]](node) { + if (isGoodName(node.name)) { + return; + } + report(node); + }, + + // Report camelcase in labels -------------------------------------- + [[ + "LabeledStatement > Identifier.label", + + /* + * For backward compatibility, report references as well. + * It looks unnecessary because declarations are reported. + */ + "BreakStatement > Identifier.label", + "ContinueStatement > Identifier.label", + ]](node) { + if (isGoodName(node.name)) { + return; + } + report(node); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/capitalized-comments.js b/module/node_modules/eslint/lib/rules/capitalized-comments.js new file mode 100644 index 000000000..17c53fc8b --- /dev/null +++ b/module/node_modules/eslint/lib/rules/capitalized-comments.js @@ -0,0 +1,325 @@ +/** + * @fileoverview enforce or disallow capitalization of the first letter of a comment + * @author Kevin Partington + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const DEFAULT_IGNORE_PATTERN = astUtils.COMMENTS_IGNORE_PATTERN, + WHITESPACE = /\s/gu, + MAYBE_URL = /^\s*[^:/?#\s]+:\/\/[^?#]/u, // TODO: Combine w/ max-len pattern? + LETTER_PATTERN = /\p{L}/u; + +/* + * Base schema body for defining the basic capitalization rule, ignorePattern, + * and ignoreInlineComments values. + * This can be used in a few different ways in the actual schema. + */ +const SCHEMA_BODY = { + type: "object", + properties: { + ignorePattern: { + type: "string", + }, + ignoreInlineComments: { + type: "boolean", + }, + ignoreConsecutiveComments: { + type: "boolean", + }, + }, + additionalProperties: false, +}; +const DEFAULTS = { + ignorePattern: "", + ignoreInlineComments: false, + ignoreConsecutiveComments: false, +}; + +/** + * Get normalized options for either block or line comments from the given + * user-provided options. + * - If the user-provided options is just a string, returns a normalized + * set of options using default values for all other options. + * - If the user-provided options is an object, then a normalized option + * set is returned. Options specified in overrides will take priority + * over options specified in the main options object, which will in + * turn take priority over the rule's defaults. + * @param {Object|string} rawOptions The user-provided options. + * @param {string} which Either "line" or "block". + * @returns {Object} The normalized options. + */ +function getNormalizedOptions(rawOptions, which) { + return Object.assign({}, DEFAULTS, rawOptions[which] || rawOptions); +} + +/** + * Get normalized options for block and line comments. + * @param {Object|string} rawOptions The user-provided options. + * @returns {Object} An object with "Line" and "Block" keys and corresponding + * normalized options objects. + */ +function getAllNormalizedOptions(rawOptions = {}) { + return { + Line: getNormalizedOptions(rawOptions, "line"), + Block: getNormalizedOptions(rawOptions, "block"), + }; +} + +/** + * Creates a regular expression for each ignorePattern defined in the rule + * options. + * + * This is done in order to avoid invoking the RegExp constructor repeatedly. + * @param {Object} normalizedOptions The normalized rule options. + * @returns {void} + */ +function createRegExpForIgnorePatterns(normalizedOptions) { + Object.keys(normalizedOptions).forEach(key => { + const ignorePatternStr = normalizedOptions[key].ignorePattern; + + if (ignorePatternStr) { + const regExp = RegExp(`^\\s*(?:${ignorePatternStr})`, "u"); + + normalizedOptions[key].ignorePatternRegExp = regExp; + } + }); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Enforce or disallow capitalization of the first letter of a comment", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/capitalized-comments", + }, + + fixable: "code", + + schema: [ + { enum: ["always", "never"] }, + { + oneOf: [ + SCHEMA_BODY, + { + type: "object", + properties: { + line: SCHEMA_BODY, + block: SCHEMA_BODY, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + unexpectedLowercaseComment: + "Comments should not begin with a lowercase character.", + unexpectedUppercaseComment: + "Comments should not begin with an uppercase character.", + }, + }, + + create(context) { + const capitalize = context.options[0] || "always", + normalizedOptions = getAllNormalizedOptions(context.options[1]), + sourceCode = context.sourceCode; + + createRegExpForIgnorePatterns(normalizedOptions); + + //---------------------------------------------------------------------- + // Helpers + //---------------------------------------------------------------------- + + /** + * Checks whether a comment is an inline comment. + * + * For the purpose of this rule, a comment is inline if: + * 1. The comment is preceded by a token on the same line; and + * 2. The command is followed by a token on the same line. + * + * Note that the comment itself need not be single-line! + * + * Also, it follows from this definition that only block comments can + * be considered as possibly inline. This is because line comments + * would consume any following tokens on the same line as the comment. + * @param {ASTNode} comment The comment node to check. + * @returns {boolean} True if the comment is an inline comment, false + * otherwise. + */ + function isInlineComment(comment) { + const previousToken = sourceCode.getTokenBefore(comment, { + includeComments: true, + }), + nextToken = sourceCode.getTokenAfter(comment, { + includeComments: true, + }); + + return Boolean( + previousToken && + nextToken && + comment.loc.start.line === previousToken.loc.end.line && + comment.loc.end.line === nextToken.loc.start.line, + ); + } + + /** + * Determine if a comment follows another comment. + * @param {ASTNode} comment The comment to check. + * @returns {boolean} True if the comment follows a valid comment. + */ + function isConsecutiveComment(comment) { + const previousTokenOrComment = sourceCode.getTokenBefore(comment, { + includeComments: true, + }); + + return Boolean( + previousTokenOrComment && + ["Block", "Line"].includes(previousTokenOrComment.type), + ); + } + + /** + * Check a comment to determine if it is valid for this rule. + * @param {ASTNode} comment The comment node to process. + * @param {Object} options The options for checking this comment. + * @returns {boolean} True if the comment is valid, false otherwise. + */ + function isCommentValid(comment, options) { + // 1. Check for default ignore pattern. + if (DEFAULT_IGNORE_PATTERN.test(comment.value)) { + return true; + } + + // 2. Check for custom ignore pattern. + const commentWithoutAsterisks = comment.value.replace(/\*/gu, ""); + + if ( + options.ignorePatternRegExp && + options.ignorePatternRegExp.test(commentWithoutAsterisks) + ) { + return true; + } + + // 3. Check for inline comments. + if (options.ignoreInlineComments && isInlineComment(comment)) { + return true; + } + + // 4. Is this a consecutive comment (and are we tolerating those)? + if ( + options.ignoreConsecutiveComments && + isConsecutiveComment(comment) + ) { + return true; + } + + // 5. Does the comment start with a possible URL? + if (MAYBE_URL.test(commentWithoutAsterisks)) { + return true; + } + + // 6. Is the initial word character a letter? + const commentWordCharsOnly = commentWithoutAsterisks.replace( + WHITESPACE, + "", + ); + + if (commentWordCharsOnly.length === 0) { + return true; + } + + // Get the first Unicode character (1 or 2 code units). + const [firstWordChar] = commentWordCharsOnly; + + if (!LETTER_PATTERN.test(firstWordChar)) { + return true; + } + + // 7. Check the case of the initial word character. + const isUppercase = + firstWordChar !== firstWordChar.toLocaleLowerCase(), + isLowercase = + firstWordChar !== firstWordChar.toLocaleUpperCase(); + + if (capitalize === "always" && isLowercase) { + return false; + } + if (capitalize === "never" && isUppercase) { + return false; + } + + return true; + } + + /** + * Process a comment to determine if it needs to be reported. + * @param {ASTNode} comment The comment node to process. + * @returns {void} + */ + function processComment(comment) { + const options = normalizedOptions[comment.type], + commentValid = isCommentValid(comment, options); + + if (!commentValid) { + const messageId = + capitalize === "always" + ? "unexpectedLowercaseComment" + : "unexpectedUppercaseComment"; + + context.report({ + node: null, // Intentionally using loc instead + loc: comment.loc, + messageId, + fix(fixer) { + const match = comment.value.match(LETTER_PATTERN); + const char = match[0]; + + // Offset match.index by 2 to account for the first 2 characters that start the comment (// or /*) + const charIndex = comment.range[0] + match.index + 2; + + return fixer.replaceTextRange( + [charIndex, charIndex + char.length], + capitalize === "always" + ? char.toLocaleUpperCase() + : char.toLocaleLowerCase(), + ); + }, + }); + } + } + + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + + return { + Program() { + const comments = sourceCode.getAllComments(); + + comments + .filter(token => token.type !== "Shebang") + .forEach(processComment); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/class-methods-use-this.js b/module/node_modules/eslint/lib/rules/class-methods-use-this.js new file mode 100644 index 000000000..5ce4893d8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/class-methods-use-this.js @@ -0,0 +1,250 @@ +/** + * @fileoverview Rule to enforce that all class methods use 'this'. + * @author Patrick Williams + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + dialects: ["javascript", "typescript"], + language: "javascript", + type: "suggestion", + + defaultOptions: [ + { + enforceForClassFields: true, + exceptMethods: [], + ignoreOverrideMethods: false, + }, + ], + + docs: { + description: "Enforce that class methods utilize `this`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/class-methods-use-this", + }, + + schema: [ + { + type: "object", + properties: { + exceptMethods: { + type: "array", + items: { + type: "string", + }, + }, + enforceForClassFields: { + type: "boolean", + }, + ignoreOverrideMethods: { + type: "boolean", + }, + ignoreClassesWithImplements: { + enum: ["all", "public-fields"], + }, + }, + additionalProperties: false, + }, + ], + + messages: { + missingThis: "Expected 'this' to be used by class {{name}}.", + }, + }, + create(context) { + const [options] = context.options; + const { + enforceForClassFields, + ignoreOverrideMethods, + ignoreClassesWithImplements, + } = options; + const exceptMethods = new Set(options.exceptMethods); + + const stack = []; + + /** + * Push `this` used flag initialized with `false` onto the stack. + * @returns {void} + */ + function pushContext() { + stack.push(false); + } + + /** + * Pop `this` used flag from the stack. + * @returns {boolean | undefined} `this` used flag + */ + function popContext() { + return stack.pop(); + } + + /** + * Initializes the current context to false and pushes it onto the stack. + * These booleans represent whether 'this' has been used in the context. + * @returns {void} + * @private + */ + function enterFunction() { + pushContext(); + } + + /** + * Check if the node is an instance method + * @param {ASTNode} node node to check + * @returns {boolean} True if its an instance method + * @private + */ + function isInstanceMethod(node) { + switch (node.type) { + case "MethodDefinition": + return !node.static && node.kind !== "constructor"; + case "AccessorProperty": + case "PropertyDefinition": + return !node.static && enforceForClassFields; + default: + return false; + } + } + + /** + * Check if the node's parent class implements any interfaces + * @param {ASTNode} node node to check + * @returns {boolean} True if parent class implements interfaces + * @private + */ + function hasImplements(node) { + const classNode = node.parent.parent; + return ( + classNode?.type === "ClassDeclaration" && + classNode.implements?.length > 0 + ); + } + + /** + * Check if the node is an instance method not excluded by config + * @param {ASTNode} node node to check + * @returns {boolean} True if it is an instance method, and not excluded by config + * @private + */ + function isIncludedInstanceMethod(node) { + if (isInstanceMethod(node)) { + if (node.computed) { + return true; + } + + if (ignoreOverrideMethods && node.override) { + return false; + } + + if (ignoreClassesWithImplements) { + const implementsInterfaces = hasImplements(node); + if (implementsInterfaces) { + if ( + ignoreClassesWithImplements === "all" || + (ignoreClassesWithImplements === "public-fields" && + node.key.type !== "PrivateIdentifier" && + (!node.accessibility || + node.accessibility === "public")) + ) { + return false; + } + } + } + + const hashIfNeeded = + node.key.type === "PrivateIdentifier" ? "#" : ""; + const name = + node.key.type === "Literal" + ? astUtils.getStaticStringValue(node.key) + : node.key.name || ""; + + return !exceptMethods.has(hashIfNeeded + name); + } + return false; + } + + /** + * Checks if we are leaving a function that is a method, and reports if 'this' has not been used. + * Static methods and the constructor are exempt. + * Then pops the context off the stack. + * @param {ASTNode} node A function node that was entered. + * @returns {void} + * @private + */ + function exitFunction(node) { + const methodUsesThis = popContext(); + + if (isIncludedInstanceMethod(node.parent) && !methodUsesThis) { + context.report({ + node, + loc: astUtils.getFunctionHeadLoc(node, context.sourceCode), + messageId: "missingThis", + data: { + name: astUtils.getFunctionNameWithKind(node), + }, + }); + } + } + + /** + * Mark the current context as having used 'this'. + * @returns {void} + * @private + */ + function markThisUsed() { + if (stack.length) { + stack[stack.length - 1] = true; + } + } + + return { + FunctionDeclaration: enterFunction, + "FunctionDeclaration:exit": exitFunction, + FunctionExpression: enterFunction, + "FunctionExpression:exit": exitFunction, + + /* + * Class field value are implicit functions. + */ + "AccessorProperty > *.key:exit": pushContext, + "AccessorProperty:exit": popContext, + "PropertyDefinition > *.key:exit": pushContext, + "PropertyDefinition:exit": popContext, + + /* + * Class static blocks are implicit functions. They aren't required to use `this`, + * but we have to push context so that it captures any use of `this` in the static block + * separately from enclosing contexts, because static blocks have their own `this` and it + * shouldn't count as used `this` in enclosing contexts. + */ + StaticBlock: pushContext, + "StaticBlock:exit": popContext, + + ThisExpression: markThisUsed, + Super: markThisUsed, + ...(enforceForClassFields && { + "AccessorProperty > ArrowFunctionExpression.value": + enterFunction, + "AccessorProperty > ArrowFunctionExpression.value:exit": + exitFunction, + "PropertyDefinition > ArrowFunctionExpression.value": + enterFunction, + "PropertyDefinition > ArrowFunctionExpression.value:exit": + exitFunction, + }), + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/comma-dangle.js b/module/node_modules/eslint/lib/rules/comma-dangle.js new file mode 100644 index 000000000..121ada3ce --- /dev/null +++ b/module/node_modules/eslint/lib/rules/comma-dangle.js @@ -0,0 +1,424 @@ +/** + * @fileoverview Rule to forbid or enforce dangling commas. + * @author Ian Christian Myers + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const DEFAULT_OPTIONS = Object.freeze({ + arrays: "never", + objects: "never", + imports: "never", + exports: "never", + functions: "never", +}); + +/** + * Checks whether or not a trailing comma is allowed in a given node. + * If the `lastItem` is `RestElement` or `RestProperty`, it disallows trailing commas. + * @param {ASTNode} lastItem The node of the last element in the given node. + * @returns {boolean} `true` if a trailing comma is allowed. + */ +function isTrailingCommaAllowed(lastItem) { + return !( + lastItem.type === "RestElement" || + lastItem.type === "RestProperty" || + lastItem.type === "ExperimentalRestProperty" + ); +} + +/** + * Normalize option value. + * @param {string|Object|undefined} optionValue The 1st option value to normalize. + * @param {number} ecmaVersion The normalized ECMAScript version. + * @returns {Object} The normalized option value. + */ +function normalizeOptions(optionValue, ecmaVersion) { + if (typeof optionValue === "string") { + return { + arrays: optionValue, + objects: optionValue, + imports: optionValue, + exports: optionValue, + functions: ecmaVersion < 2017 ? "ignore" : optionValue, + }; + } + if (typeof optionValue === "object" && optionValue !== null) { + return { + arrays: optionValue.arrays || DEFAULT_OPTIONS.arrays, + objects: optionValue.objects || DEFAULT_OPTIONS.objects, + imports: optionValue.imports || DEFAULT_OPTIONS.imports, + exports: optionValue.exports || DEFAULT_OPTIONS.exports, + functions: optionValue.functions || DEFAULT_OPTIONS.functions, + }; + } + + return DEFAULT_OPTIONS; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "comma-dangle", + url: "https://eslint.style/rules/comma-dangle", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Require or disallow trailing commas", + recommended: false, + url: "https://eslint.org/docs/latest/rules/comma-dangle", + }, + + fixable: "code", + + schema: { + definitions: { + value: { + enum: [ + "always-multiline", + "always", + "never", + "only-multiline", + ], + }, + valueWithIgnore: { + enum: [ + "always-multiline", + "always", + "ignore", + "never", + "only-multiline", + ], + }, + }, + type: "array", + items: [ + { + oneOf: [ + { + $ref: "#/definitions/value", + }, + { + type: "object", + properties: { + arrays: { + $ref: "#/definitions/valueWithIgnore", + }, + objects: { + $ref: "#/definitions/valueWithIgnore", + }, + imports: { + $ref: "#/definitions/valueWithIgnore", + }, + exports: { + $ref: "#/definitions/valueWithIgnore", + }, + functions: { + $ref: "#/definitions/valueWithIgnore", + }, + }, + additionalProperties: false, + }, + ], + }, + ], + additionalItems: false, + }, + + messages: { + unexpected: "Unexpected trailing comma.", + missing: "Missing trailing comma.", + }, + }, + + create(context) { + const options = normalizeOptions( + context.options[0], + context.languageOptions.ecmaVersion, + ); + + const sourceCode = context.sourceCode; + + /** + * Gets the last item of the given node. + * @param {ASTNode} node The node to get. + * @returns {ASTNode|null} The last node or null. + */ + function getLastItem(node) { + /** + * Returns the last element of an array + * @param {any[]} array The input array + * @returns {any} The last element + */ + function last(array) { + return array.at(-1); + } + + switch (node.type) { + case "ObjectExpression": + case "ObjectPattern": + return last(node.properties); + case "ArrayExpression": + case "ArrayPattern": + return last(node.elements); + case "ImportDeclaration": + case "ExportNamedDeclaration": + return last(node.specifiers); + case "FunctionDeclaration": + case "FunctionExpression": + case "ArrowFunctionExpression": + return last(node.params); + case "CallExpression": + case "NewExpression": + return last(node.arguments); + default: + return null; + } + } + + /** + * Gets the trailing comma token of the given node. + * If the trailing comma does not exist, this returns the token which is + * the insertion point of the trailing comma token. + * @param {ASTNode} node The node to get. + * @param {ASTNode} lastItem The last item of the node. + * @returns {Token} The trailing comma token or the insertion point. + */ + function getTrailingToken(node, lastItem) { + switch (node.type) { + case "ObjectExpression": + case "ArrayExpression": + case "CallExpression": + case "NewExpression": + return sourceCode.getLastToken(node, 1); + default: { + const nextToken = sourceCode.getTokenAfter(lastItem); + + if (astUtils.isCommaToken(nextToken)) { + return nextToken; + } + return sourceCode.getLastToken(lastItem); + } + } + } + + /** + * Checks whether or not a given node is multiline. + * This rule handles a given node as multiline when the closing parenthesis + * and the last element are not on the same line. + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is multiline. + */ + function isMultiline(node) { + const lastItem = getLastItem(node); + + if (!lastItem) { + return false; + } + + const penultimateToken = getTrailingToken(node, lastItem); + const lastToken = sourceCode.getTokenAfter(penultimateToken); + + return lastToken.loc.end.line !== penultimateToken.loc.end.line; + } + + /** + * Reports a trailing comma if it exists. + * @param {ASTNode} node A node to check. Its type is one of + * ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern, + * ImportDeclaration, and ExportNamedDeclaration. + * @returns {void} + */ + function forbidTrailingComma(node) { + const lastItem = getLastItem(node); + + if ( + !lastItem || + (node.type === "ImportDeclaration" && + lastItem.type !== "ImportSpecifier") + ) { + return; + } + + const trailingToken = getTrailingToken(node, lastItem); + + if (astUtils.isCommaToken(trailingToken)) { + context.report({ + node: lastItem, + loc: trailingToken.loc, + messageId: "unexpected", + *fix(fixer) { + yield fixer.remove(trailingToken); + + /* + * Extend the range of the fix to include surrounding tokens to ensure + * that the element after which the comma is removed stays _last_. + * This intentionally makes conflicts in fix ranges with rules that may be + * adding or removing elements in the same autofix pass. + * https://github.com/eslint/eslint/issues/15660 + */ + yield fixer.insertTextBefore( + sourceCode.getTokenBefore(trailingToken), + "", + ); + yield fixer.insertTextAfter( + sourceCode.getTokenAfter(trailingToken), + "", + ); + }, + }); + } + } + + /** + * Reports the last element of a given node if it does not have a trailing + * comma. + * + * If a given node is `ArrayPattern` which has `RestElement`, the trailing + * comma is disallowed, so report if it exists. + * @param {ASTNode} node A node to check. Its type is one of + * ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern, + * ImportDeclaration, and ExportNamedDeclaration. + * @returns {void} + */ + function forceTrailingComma(node) { + const lastItem = getLastItem(node); + + if ( + !lastItem || + (node.type === "ImportDeclaration" && + lastItem.type !== "ImportSpecifier") + ) { + return; + } + if (!isTrailingCommaAllowed(lastItem)) { + forbidTrailingComma(node); + return; + } + + const trailingToken = getTrailingToken(node, lastItem); + + if (trailingToken.value !== ",") { + context.report({ + node: lastItem, + loc: { + start: trailingToken.loc.end, + end: astUtils.getNextLocation( + sourceCode, + trailingToken.loc.end, + ), + }, + messageId: "missing", + *fix(fixer) { + yield fixer.insertTextAfter(trailingToken, ","); + + /* + * Extend the range of the fix to include surrounding tokens to ensure + * that the element after which the comma is inserted stays _last_. + * This intentionally makes conflicts in fix ranges with rules that may be + * adding or removing elements in the same autofix pass. + * https://github.com/eslint/eslint/issues/15660 + */ + yield fixer.insertTextBefore(trailingToken, ""); + yield fixer.insertTextAfter( + sourceCode.getTokenAfter(trailingToken), + "", + ); + }, + }); + } + } + + /** + * If a given node is multiline, reports the last element of a given node + * when it does not have a trailing comma. + * Otherwise, reports a trailing comma if it exists. + * @param {ASTNode} node A node to check. Its type is one of + * ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern, + * ImportDeclaration, and ExportNamedDeclaration. + * @returns {void} + */ + function forceTrailingCommaIfMultiline(node) { + if (isMultiline(node)) { + forceTrailingComma(node); + } else { + forbidTrailingComma(node); + } + } + + /** + * Only if a given node is not multiline, reports the last element of a given node + * when it does not have a trailing comma. + * Otherwise, reports a trailing comma if it exists. + * @param {ASTNode} node A node to check. Its type is one of + * ObjectExpression, ObjectPattern, ArrayExpression, ArrayPattern, + * ImportDeclaration, and ExportNamedDeclaration. + * @returns {void} + */ + function allowTrailingCommaIfMultiline(node) { + if (!isMultiline(node)) { + forbidTrailingComma(node); + } + } + + const predicate = { + always: forceTrailingComma, + "always-multiline": forceTrailingCommaIfMultiline, + "only-multiline": allowTrailingCommaIfMultiline, + never: forbidTrailingComma, + ignore() {}, + }; + + return { + ObjectExpression: predicate[options.objects], + ObjectPattern: predicate[options.objects], + + ArrayExpression: predicate[options.arrays], + ArrayPattern: predicate[options.arrays], + + ImportDeclaration: predicate[options.imports], + + ExportNamedDeclaration: predicate[options.exports], + + FunctionDeclaration: predicate[options.functions], + FunctionExpression: predicate[options.functions], + ArrowFunctionExpression: predicate[options.functions], + CallExpression: predicate[options.functions], + NewExpression: predicate[options.functions], + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/comma-spacing.js b/module/node_modules/eslint/lib/rules/comma-spacing.js new file mode 100644 index 000000000..521651912 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/comma-spacing.js @@ -0,0 +1,208 @@ +/** + * @fileoverview Comma spacing - validates spacing before and after comma + * @author Vignesh Anand aka vegetableman. + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "comma-spacing", + url: "https://eslint.style/rules/comma-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent spacing before and after commas", + recommended: false, + url: "https://eslint.org/docs/latest/rules/comma-spacing", + }, + + fixable: "whitespace", + + schema: [ + { + type: "object", + properties: { + before: { + type: "boolean", + default: false, + }, + after: { + type: "boolean", + default: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + missing: "A space is required {{loc}} ','.", + unexpected: "There should be no space {{loc}} ','.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const tokensAndComments = sourceCode.tokensAndComments; + + const options = { + before: context.options[0] ? context.options[0].before : false, + after: context.options[0] ? context.options[0].after : true, + }; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + // list of comma tokens to ignore for the check of leading whitespace + const commaTokensToIgnore = []; + + /** + * Reports a spacing error with an appropriate message. + * @param {ASTNode} node The binary expression node to report. + * @param {string} loc Is the error "before" or "after" the comma? + * @param {ASTNode} otherNode The node at the left or right of `node` + * @returns {void} + * @private + */ + function report(node, loc, otherNode) { + context.report({ + node, + fix(fixer) { + if (options[loc]) { + if (loc === "before") { + return fixer.insertTextBefore(node, " "); + } + return fixer.insertTextAfter(node, " "); + } + let start, end; + const newText = ""; + + if (loc === "before") { + start = otherNode.range[1]; + end = node.range[0]; + } else { + start = node.range[1]; + end = otherNode.range[0]; + } + + return fixer.replaceTextRange([start, end], newText); + }, + messageId: options[loc] ? "missing" : "unexpected", + data: { + loc, + }, + }); + } + + /** + * Adds null elements of the given ArrayExpression or ArrayPattern node to the ignore list. + * @param {ASTNode} node An ArrayExpression or ArrayPattern node. + * @returns {void} + */ + function addNullElementsToIgnoreList(node) { + let previousToken = sourceCode.getFirstToken(node); + + node.elements.forEach(element => { + let token; + + if (element === null) { + token = sourceCode.getTokenAfter(previousToken); + + if (astUtils.isCommaToken(token)) { + commaTokensToIgnore.push(token); + } + } else { + token = sourceCode.getTokenAfter(element); + } + + previousToken = token; + }); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + "Program:exit"() { + tokensAndComments.forEach((token, i) => { + if (!astUtils.isCommaToken(token)) { + return; + } + + const previousToken = tokensAndComments[i - 1]; + const nextToken = tokensAndComments[i + 1]; + + if ( + previousToken && + !astUtils.isCommaToken(previousToken) && // ignore spacing between two commas + /* + * `commaTokensToIgnore` are ending commas of `null` elements (array holes/elisions). + * In addition to spacing between two commas, this can also ignore: + * + * - Spacing after `[` (controlled by array-bracket-spacing) + * Example: [ , ] + * ^ + * - Spacing after a comment (for backwards compatibility, this was possibly unintentional) + * Example: [a, /* * / ,] + * ^ + */ + !commaTokensToIgnore.includes(token) && + astUtils.isTokenOnSameLine(previousToken, token) && + options.before !== + sourceCode.isSpaceBetweenTokens( + previousToken, + token, + ) + ) { + report(token, "before", previousToken); + } + + if ( + nextToken && + !astUtils.isCommaToken(nextToken) && // ignore spacing between two commas + !astUtils.isClosingParenToken(nextToken) && // controlled by space-in-parens + !astUtils.isClosingBracketToken(nextToken) && // controlled by array-bracket-spacing + !astUtils.isClosingBraceToken(nextToken) && // controlled by object-curly-spacing + !(!options.after && nextToken.type === "Line") && // special case, allow space before line comment + astUtils.isTokenOnSameLine(token, nextToken) && + options.after !== + sourceCode.isSpaceBetweenTokens(token, nextToken) + ) { + report(token, "after", nextToken); + } + }); + }, + ArrayExpression: addNullElementsToIgnoreList, + ArrayPattern: addNullElementsToIgnoreList, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/comma-style.js b/module/node_modules/eslint/lib/rules/comma-style.js new file mode 100644 index 000000000..6c8e76569 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/comma-style.js @@ -0,0 +1,391 @@ +/** + * @fileoverview Comma style - enforces comma styles of two types: last and first + * @author Vignesh Anand aka vegetableman + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "comma-style", + url: "https://eslint.style/rules/comma-style", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent comma style", + recommended: false, + url: "https://eslint.org/docs/latest/rules/comma-style", + }, + + fixable: "code", + + schema: [ + { + enum: ["first", "last"], + }, + { + type: "object", + properties: { + exceptions: { + type: "object", + additionalProperties: { + type: "boolean", + }, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedLineBeforeAndAfterComma: + "Bad line breaking before and after ','.", + expectedCommaFirst: "',' should be placed first.", + expectedCommaLast: "',' should be placed last.", + }, + }, + + create(context) { + const style = context.options[0] || "last", + sourceCode = context.sourceCode; + const exceptions = { + ArrayPattern: true, + ArrowFunctionExpression: true, + CallExpression: true, + FunctionDeclaration: true, + FunctionExpression: true, + ImportDeclaration: true, + ObjectPattern: true, + NewExpression: true, + }; + + if ( + context.options.length === 2 && + Object.hasOwn(context.options[1], "exceptions") + ) { + const keys = Object.keys(context.options[1].exceptions); + + for (let i = 0; i < keys.length; i++) { + exceptions[keys[i]] = context.options[1].exceptions[keys[i]]; + } + } + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Modified text based on the style + * @param {string} styleType Style type + * @param {string} text Source code text + * @returns {string} modified text + * @private + */ + function getReplacedText(styleType, text) { + switch (styleType) { + case "between": + return `,${text.replace(astUtils.LINEBREAK_MATCHER, "")}`; + + case "first": + return `${text},`; + + case "last": + return `,${text}`; + + default: + return ""; + } + } + + /** + * Determines the fixer function for a given style. + * @param {string} styleType comma style + * @param {ASTNode} previousItemToken The token to check. + * @param {ASTNode} commaToken The token to check. + * @param {ASTNode} currentItemToken The token to check. + * @returns {Function} Fixer function + * @private + */ + function getFixerFunction( + styleType, + previousItemToken, + commaToken, + currentItemToken, + ) { + const text = + sourceCode.text.slice( + previousItemToken.range[1], + commaToken.range[0], + ) + + sourceCode.text.slice( + commaToken.range[1], + currentItemToken.range[0], + ); + const range = [ + previousItemToken.range[1], + currentItemToken.range[0], + ]; + + return function (fixer) { + return fixer.replaceTextRange( + range, + getReplacedText(styleType, text), + ); + }; + } + + /** + * Validates the spacing around single items in lists. + * @param {Token} previousItemToken The last token from the previous item. + * @param {Token} commaToken The token representing the comma. + * @param {Token} currentItemToken The first token of the current item. + * @param {Token} reportItem The item to use when reporting an error. + * @returns {void} + * @private + */ + function validateCommaItemSpacing( + previousItemToken, + commaToken, + currentItemToken, + reportItem, + ) { + // if single line + if ( + astUtils.isTokenOnSameLine(commaToken, currentItemToken) && + astUtils.isTokenOnSameLine(previousItemToken, commaToken) + ) { + // do nothing. + } else if ( + !astUtils.isTokenOnSameLine(commaToken, currentItemToken) && + !astUtils.isTokenOnSameLine(previousItemToken, commaToken) + ) { + const comment = sourceCode.getCommentsAfter(commaToken)[0]; + const styleType = + comment && + comment.type === "Block" && + astUtils.isTokenOnSameLine(commaToken, comment) + ? style + : "between"; + + // lone comma + context.report({ + node: reportItem, + loc: commaToken.loc, + messageId: "unexpectedLineBeforeAndAfterComma", + fix: getFixerFunction( + styleType, + previousItemToken, + commaToken, + currentItemToken, + ), + }); + } else if ( + style === "first" && + !astUtils.isTokenOnSameLine(commaToken, currentItemToken) + ) { + context.report({ + node: reportItem, + loc: commaToken.loc, + messageId: "expectedCommaFirst", + fix: getFixerFunction( + style, + previousItemToken, + commaToken, + currentItemToken, + ), + }); + } else if ( + style === "last" && + astUtils.isTokenOnSameLine(commaToken, currentItemToken) + ) { + context.report({ + node: reportItem, + loc: commaToken.loc, + messageId: "expectedCommaLast", + fix: getFixerFunction( + style, + previousItemToken, + commaToken, + currentItemToken, + ), + }); + } + } + + /** + * Checks the comma placement with regards to a declaration/property/element + * @param {ASTNode} node The binary expression node to check + * @param {string} property The property of the node containing child nodes. + * @private + * @returns {void} + */ + function validateComma(node, property) { + const items = node[property], + arrayLiteral = + node.type === "ArrayExpression" || + node.type === "ArrayPattern"; + + if (items.length > 1 || arrayLiteral) { + // seed as opening [ + let previousItemToken = sourceCode.getFirstToken(node); + + items.forEach(item => { + const commaToken = item + ? sourceCode.getTokenBefore(item) + : previousItemToken, + currentItemToken = item + ? sourceCode.getFirstToken(item) + : sourceCode.getTokenAfter(commaToken), + reportItem = item || currentItemToken; + + /* + * This works by comparing three token locations: + * - previousItemToken is the last token of the previous item + * - commaToken is the location of the comma before the current item + * - currentItemToken is the first token of the current item + * + * These values get switched around if item is undefined. + * previousItemToken will refer to the last token not belonging + * to the current item, which could be a comma or an opening + * square bracket. currentItemToken could be a comma. + * + * All comparisons are done based on these tokens directly, so + * they are always valid regardless of an undefined item. + */ + if (astUtils.isCommaToken(commaToken)) { + validateCommaItemSpacing( + previousItemToken, + commaToken, + currentItemToken, + reportItem, + ); + } + + if (item) { + const tokenAfterItem = sourceCode.getTokenAfter( + item, + astUtils.isNotClosingParenToken, + ); + + previousItemToken = tokenAfterItem + ? sourceCode.getTokenBefore(tokenAfterItem) + : sourceCode.ast.tokens.at(-1); + } else { + previousItemToken = currentItemToken; + } + }); + + /* + * Special case for array literals that have empty last items, such + * as [ 1, 2, ]. These arrays only have two items show up in the + * AST, so we need to look at the token to verify that there's no + * dangling comma. + */ + if (arrayLiteral) { + const lastToken = sourceCode.getLastToken(node), + nextToLastToken = sourceCode.getTokenBefore(lastToken); + + if (astUtils.isCommaToken(nextToLastToken)) { + validateCommaItemSpacing( + sourceCode.getTokenBefore(nextToLastToken), + nextToLastToken, + lastToken, + lastToken, + ); + } + } + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + const nodes = {}; + + if (!exceptions.VariableDeclaration) { + nodes.VariableDeclaration = function (node) { + validateComma(node, "declarations"); + }; + } + if (!exceptions.ObjectExpression) { + nodes.ObjectExpression = function (node) { + validateComma(node, "properties"); + }; + } + if (!exceptions.ObjectPattern) { + nodes.ObjectPattern = function (node) { + validateComma(node, "properties"); + }; + } + if (!exceptions.ArrayExpression) { + nodes.ArrayExpression = function (node) { + validateComma(node, "elements"); + }; + } + if (!exceptions.ArrayPattern) { + nodes.ArrayPattern = function (node) { + validateComma(node, "elements"); + }; + } + if (!exceptions.FunctionDeclaration) { + nodes.FunctionDeclaration = function (node) { + validateComma(node, "params"); + }; + } + if (!exceptions.FunctionExpression) { + nodes.FunctionExpression = function (node) { + validateComma(node, "params"); + }; + } + if (!exceptions.ArrowFunctionExpression) { + nodes.ArrowFunctionExpression = function (node) { + validateComma(node, "params"); + }; + } + if (!exceptions.CallExpression) { + nodes.CallExpression = function (node) { + validateComma(node, "arguments"); + }; + } + if (!exceptions.ImportDeclaration) { + nodes.ImportDeclaration = function (node) { + validateComma(node, "specifiers"); + }; + } + if (!exceptions.NewExpression) { + nodes.NewExpression = function (node) { + validateComma(node, "arguments"); + }; + } + + return nodes; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/complexity.js b/module/node_modules/eslint/lib/rules/complexity.js new file mode 100644 index 000000000..23a018b97 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/complexity.js @@ -0,0 +1,201 @@ +/** + * @fileoverview Counts the cyclomatic complexity of each function of the script. See http://en.wikipedia.org/wiki/Cyclomatic_complexity. + * Counts the number of if, conditional, for, while, try, switch/case, + * @author Patrick Brosset + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const { upperCaseFirst } = require("../shared/string-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const THRESHOLD_DEFAULT = 20; + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [THRESHOLD_DEFAULT], + + docs: { + description: + "Enforce a maximum cyclomatic complexity allowed in a program", + recommended: false, + url: "https://eslint.org/docs/latest/rules/complexity", + }, + + schema: [ + { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + type: "object", + properties: { + maximum: { + type: "integer", + minimum: 0, + }, + max: { + type: "integer", + minimum: 0, + }, + variant: { + enum: ["classic", "modified"], + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + complex: + "{{name}} has a complexity of {{complexity}}. Maximum allowed is {{max}}.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const option = context.options[0]; + let threshold = THRESHOLD_DEFAULT; + let VARIANT = "classic"; + + if (typeof option === "object") { + if ( + Object.hasOwn(option, "maximum") || + Object.hasOwn(option, "max") + ) { + threshold = option.maximum || option.max; + } + + if (Object.hasOwn(option, "variant")) { + VARIANT = option.variant; + } + } else if (typeof option === "number") { + threshold = option; + } + + const IS_MODIFIED_COMPLEXITY = VARIANT === "modified"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + // Using a stack to store complexity per code path + const complexities = []; + + /** + * Increase the complexity of the code path in context + * @returns {void} + * @private + */ + function increaseComplexity() { + complexities[complexities.length - 1]++; + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + onCodePathStart() { + // The initial complexity is 1, representing one execution path in the CodePath + complexities.push(1); + }, + + // Each branching in the code adds 1 to the complexity + CatchClause: increaseComplexity, + ConditionalExpression: increaseComplexity, + LogicalExpression: increaseComplexity, + ForStatement: increaseComplexity, + ForInStatement: increaseComplexity, + ForOfStatement: increaseComplexity, + IfStatement: increaseComplexity, + WhileStatement: increaseComplexity, + DoWhileStatement: increaseComplexity, + AssignmentPattern: increaseComplexity, + + // Avoid `default` + "SwitchCase[test]": () => + IS_MODIFIED_COMPLEXITY || increaseComplexity(), + SwitchStatement: () => + IS_MODIFIED_COMPLEXITY && increaseComplexity(), + + // Logical assignment operators have short-circuiting behavior + AssignmentExpression(node) { + if (astUtils.isLogicalAssignmentOperator(node.operator)) { + increaseComplexity(); + } + }, + + MemberExpression(node) { + if (node.optional === true) { + increaseComplexity(); + } + }, + + CallExpression(node) { + if (node.optional === true) { + increaseComplexity(); + } + }, + + onCodePathEnd(codePath, node) { + const complexity = complexities.pop(); + + /* + * This rule only evaluates complexity of functions, so "program" is excluded. + * Class field initializers and class static blocks are implicit functions. Therefore, + * they shouldn't contribute to the enclosing function's complexity, but their + * own complexity should be evaluated. + */ + if ( + codePath.origin !== "function" && + codePath.origin !== "class-field-initializer" && + codePath.origin !== "class-static-block" + ) { + return; + } + + if (complexity > threshold) { + let name; + let loc = node.loc; + + if (codePath.origin === "class-field-initializer") { + name = "class field initializer"; + } else if (codePath.origin === "class-static-block") { + name = "class static block"; + loc = sourceCode.getFirstToken(node).loc; + } else { + name = astUtils.getFunctionNameWithKind(node); + loc = astUtils.getFunctionHeadLoc(node, sourceCode); + } + + context.report({ + node, + loc, + messageId: "complex", + data: { + name: upperCaseFirst(name), + complexity, + max: threshold, + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/computed-property-spacing.js b/module/node_modules/eslint/lib/rules/computed-property-spacing.js new file mode 100644 index 000000000..871262646 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/computed-property-spacing.js @@ -0,0 +1,251 @@ +/** + * @fileoverview Disallows or enforces spaces inside computed properties. + * @author Jamund Ferguson + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "computed-property-spacing", + url: "https://eslint.style/rules/computed-property-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce consistent spacing inside computed property brackets", + recommended: false, + url: "https://eslint.org/docs/latest/rules/computed-property-spacing", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["always", "never"], + }, + { + type: "object", + properties: { + enforceForClassMembers: { + type: "boolean", + default: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedSpaceBefore: + "There should be no space before '{{tokenValue}}'.", + unexpectedSpaceAfter: + "There should be no space after '{{tokenValue}}'.", + + missingSpaceBefore: "A space is required before '{{tokenValue}}'.", + missingSpaceAfter: "A space is required after '{{tokenValue}}'.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const propertyNameMustBeSpaced = context.options[0] === "always"; // default is "never" + const enforceForClassMembers = + !context.options[1] || context.options[1].enforceForClassMembers; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Reports that there shouldn't be a space after the first token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @param {Token} tokenAfter The token after `token`. + * @returns {void} + */ + function reportNoBeginningSpace(node, token, tokenAfter) { + context.report({ + node, + loc: { start: token.loc.end, end: tokenAfter.loc.start }, + messageId: "unexpectedSpaceAfter", + data: { + tokenValue: token.value, + }, + fix(fixer) { + return fixer.removeRange([ + token.range[1], + tokenAfter.range[0], + ]); + }, + }); + } + + /** + * Reports that there shouldn't be a space before the last token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @param {Token} tokenBefore The token before `token`. + * @returns {void} + */ + function reportNoEndingSpace(node, token, tokenBefore) { + context.report({ + node, + loc: { start: tokenBefore.loc.end, end: token.loc.start }, + messageId: "unexpectedSpaceBefore", + data: { + tokenValue: token.value, + }, + fix(fixer) { + return fixer.removeRange([ + tokenBefore.range[1], + token.range[0], + ]); + }, + }); + } + + /** + * Reports that there should be a space after the first token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportRequiredBeginningSpace(node, token) { + context.report({ + node, + loc: token.loc, + messageId: "missingSpaceAfter", + data: { + tokenValue: token.value, + }, + fix(fixer) { + return fixer.insertTextAfter(token, " "); + }, + }); + } + + /** + * Reports that there should be a space before the last token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportRequiredEndingSpace(node, token) { + context.report({ + node, + loc: token.loc, + messageId: "missingSpaceBefore", + data: { + tokenValue: token.value, + }, + fix(fixer) { + return fixer.insertTextBefore(token, " "); + }, + }); + } + + /** + * Returns a function that checks the spacing of a node on the property name + * that was passed in. + * @param {string} propertyName The property on the node to check for spacing + * @returns {Function} A function that will check spacing on a node + */ + function checkSpacing(propertyName) { + return function (node) { + if (!node.computed) { + return; + } + + const property = node[propertyName]; + + const before = sourceCode.getTokenBefore( + property, + astUtils.isOpeningBracketToken, + ), + first = sourceCode.getTokenAfter(before, { + includeComments: true, + }), + after = sourceCode.getTokenAfter( + property, + astUtils.isClosingBracketToken, + ), + last = sourceCode.getTokenBefore(after, { + includeComments: true, + }); + + if (astUtils.isTokenOnSameLine(before, first)) { + if (propertyNameMustBeSpaced) { + if ( + !sourceCode.isSpaceBetweenTokens(before, first) && + astUtils.isTokenOnSameLine(before, first) + ) { + reportRequiredBeginningSpace(node, before); + } + } else { + if (sourceCode.isSpaceBetweenTokens(before, first)) { + reportNoBeginningSpace(node, before, first); + } + } + } + + if (astUtils.isTokenOnSameLine(last, after)) { + if (propertyNameMustBeSpaced) { + if ( + !sourceCode.isSpaceBetweenTokens(last, after) && + astUtils.isTokenOnSameLine(last, after) + ) { + reportRequiredEndingSpace(node, after); + } + } else { + if (sourceCode.isSpaceBetweenTokens(last, after)) { + reportNoEndingSpace(node, after, last); + } + } + } + }; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + const listeners = { + Property: checkSpacing("key"), + MemberExpression: checkSpacing("property"), + }; + + if (enforceForClassMembers) { + listeners.MethodDefinition = listeners.PropertyDefinition = + listeners.Property; + } + + return listeners; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/consistent-return.js b/module/node_modules/eslint/lib/rules/consistent-return.js new file mode 100644 index 000000000..6407739b7 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/consistent-return.js @@ -0,0 +1,221 @@ +/** + * @fileoverview Rule to flag consistent return values + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const { upperCaseFirst } = require("../shared/string-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks all segments in a set and returns true if all are unreachable. + * @param {Set} segments The segments to check. + * @returns {boolean} True if all segments are unreachable; false otherwise. + */ +function areAllSegmentsUnreachable(segments) { + for (const segment of segments) { + if (segment.reachable) { + return false; + } + } + + return true; +} + +/** + * Checks whether a given node is a `constructor` method in an ES6 class + * @param {ASTNode} node A node to check + * @returns {boolean} `true` if the node is a `constructor` method + */ +function isClassConstructor(node) { + return ( + node.type === "FunctionExpression" && + node.parent && + node.parent.type === "MethodDefinition" && + node.parent.kind === "constructor" + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Require `return` statements to either always or never specify values", + recommended: false, + url: "https://eslint.org/docs/latest/rules/consistent-return", + }, + + schema: [ + { + type: "object", + properties: { + treatUndefinedAsUnspecified: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + defaultOptions: [{ treatUndefinedAsUnspecified: false }], + + messages: { + missingReturn: "Expected to return a value at the end of {{name}}.", + missingReturnValue: "{{name}} expected a return value.", + unexpectedReturnValue: "{{name}} expected no return value.", + }, + }, + + create(context) { + const [{ treatUndefinedAsUnspecified }] = context.options; + let funcInfo = null; + + /** + * Checks whether of not the implicit returning is consistent if the last + * code path segment is reachable. + * @param {ASTNode} node A program/function node to check. + * @returns {void} + */ + function checkLastSegment(node) { + let loc, name; + + /* + * Skip if it expected no return value or unreachable. + * When unreachable, all paths are returned or thrown. + */ + if ( + !funcInfo.hasReturnValue || + areAllSegmentsUnreachable(funcInfo.currentSegments) || + astUtils.isES5Constructor(node) || + isClassConstructor(node) + ) { + return; + } + + // Adjust a location and a message. + if (node.type === "Program") { + // The head of program. + loc = { line: 1, column: 0 }; + name = "program"; + } else if (node.type === "ArrowFunctionExpression") { + // `=>` token + loc = context.sourceCode.getTokenBefore( + node.body, + astUtils.isArrowToken, + ).loc; + } else if ( + node.parent.type === "MethodDefinition" || + (node.parent.type === "Property" && node.parent.method) + ) { + // Method name. + loc = node.parent.key.loc; + } else { + // Function name or `function` keyword. + loc = (node.id || context.sourceCode.getFirstToken(node)).loc; + } + + if (!name) { + name = astUtils.getFunctionNameWithKind(node); + } + + // Reports. + context.report({ + node, + loc, + messageId: "missingReturn", + data: { name }, + }); + } + + return { + // Initializes/Disposes state of each code path. + onCodePathStart(codePath, node) { + funcInfo = { + upper: funcInfo, + codePath, + hasReturn: false, + hasReturnValue: false, + messageId: "", + node, + currentSegments: new Set(), + }; + }, + onCodePathEnd() { + funcInfo = funcInfo.upper; + }, + + onUnreachableCodePathSegmentStart(segment) { + funcInfo.currentSegments.add(segment); + }, + + onUnreachableCodePathSegmentEnd(segment) { + funcInfo.currentSegments.delete(segment); + }, + + onCodePathSegmentStart(segment) { + funcInfo.currentSegments.add(segment); + }, + + onCodePathSegmentEnd(segment) { + funcInfo.currentSegments.delete(segment); + }, + + // Reports a given return statement if it's inconsistent. + ReturnStatement(node) { + const argument = node.argument; + let hasReturnValue = Boolean(argument); + + if (treatUndefinedAsUnspecified && hasReturnValue) { + hasReturnValue = + !astUtils.isSpecificId(argument, "undefined") && + argument.operator !== "void"; + } + + if (!funcInfo.hasReturn) { + funcInfo.hasReturn = true; + funcInfo.hasReturnValue = hasReturnValue; + funcInfo.messageId = hasReturnValue + ? "missingReturnValue" + : "unexpectedReturnValue"; + funcInfo.data = { + name: + funcInfo.node.type === "Program" + ? "Program" + : upperCaseFirst( + astUtils.getFunctionNameWithKind( + funcInfo.node, + ), + ), + }; + } else if (funcInfo.hasReturnValue !== hasReturnValue) { + context.report({ + node, + messageId: funcInfo.messageId, + data: funcInfo.data, + }); + } + }, + + // Reports a given program/function if the implicit returning is not consistent. + "Program:exit": checkLastSegment, + "FunctionDeclaration:exit": checkLastSegment, + "FunctionExpression:exit": checkLastSegment, + "ArrowFunctionExpression:exit": checkLastSegment, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/consistent-this.js b/module/node_modules/eslint/lib/rules/consistent-this.js new file mode 100644 index 000000000..8e9372d29 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/consistent-this.js @@ -0,0 +1,179 @@ +/** + * @fileoverview Rule to enforce consistent naming of "this" context variables + * @author Raphael Pigulla + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Enforce consistent naming when capturing the current execution context", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/consistent-this", + }, + + schema: { + type: "array", + items: { + type: "string", + minLength: 1, + }, + uniqueItems: true, + }, + + defaultOptions: ["that"], + + messages: { + aliasNotAssignedToThis: + "Designated alias '{{name}}' is not assigned to 'this'.", + unexpectedAlias: "Unexpected alias '{{name}}' for 'this'.", + }, + }, + + create(context) { + const aliases = context.options; + const sourceCode = context.sourceCode; + + /** + * Reports that a variable declarator or assignment expression is assigning + * a non-'this' value to the specified alias. + * @param {ASTNode} node The assigning node. + * @param {string} name the name of the alias that was incorrectly used. + * @returns {void} + */ + function reportBadAssignment(node, name) { + context.report({ + node, + messageId: "aliasNotAssignedToThis", + data: { name }, + }); + } + + /** + * Checks that an assignment to an identifier only assigns 'this' to the + * appropriate alias, and the alias is only assigned to 'this'. + * @param {ASTNode} node The assigning node. + * @param {Identifier} name The name of the variable assigned to. + * @param {Expression} value The value of the assignment. + * @returns {void} + */ + function checkAssignment(node, name, value) { + const isThis = value.type === "ThisExpression"; + + if (aliases.includes(name)) { + if (!isThis || (node.operator && node.operator !== "=")) { + reportBadAssignment(node, name); + } + } else if (isThis) { + context.report({ + node, + messageId: "unexpectedAlias", + data: { name }, + }); + } + } + + /** + * Ensures that a variable declaration of the alias in a program or function + * is assigned to the correct value. + * @param {string} alias alias the check the assignment of. + * @param {Object} scope scope of the current code we are checking. + * @private + * @returns {void} + */ + function checkWasAssigned(alias, scope) { + const variable = scope.set.get(alias); + + if (!variable) { + return; + } + + if ( + variable.defs.some( + def => + def.node.type === "VariableDeclarator" && + def.node.init !== null, + ) + ) { + return; + } + + /* + * The alias has been declared and not assigned: check it was + * assigned later in the same scope. + */ + if ( + !variable.references.some(reference => { + const write = reference.writeExpr; + + return ( + reference.from === scope && + write && + write.type === "ThisExpression" && + write.parent.operator === "=" + ); + }) + ) { + variable.defs + .map(def => def.node) + .forEach(node => { + reportBadAssignment(node, alias); + }); + } + } + + /** + * Check each alias to ensure that is was assigned to the correct value. + * @param {ASTNode} node The node that represents the scope to check. + * @returns {void} + */ + function ensureWasAssigned(node) { + const scope = sourceCode.getScope(node); + + // if this is program scope we also need to check module scope + const extraScope = + node.type === "Program" && node.sourceType === "module" + ? scope.childScopes[0] + : null; + + aliases.forEach(alias => { + checkWasAssigned(alias, scope); + + if (extraScope) { + checkWasAssigned(alias, extraScope); + } + }); + } + + return { + "Program:exit": ensureWasAssigned, + "FunctionExpression:exit": ensureWasAssigned, + "FunctionDeclaration:exit": ensureWasAssigned, + + VariableDeclarator(node) { + const id = node.id; + const isDestructuring = + id.type === "ArrayPattern" || id.type === "ObjectPattern"; + + if (node.init !== null && !isDestructuring) { + checkAssignment(node, id.name, node.init); + } + }, + + AssignmentExpression(node) { + if (node.left.type === "Identifier") { + checkAssignment(node, node.left.name, node.right); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/constructor-super.js b/module/node_modules/eslint/lib/rules/constructor-super.js new file mode 100644 index 000000000..2262677d3 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/constructor-super.js @@ -0,0 +1,453 @@ +/** + * @fileoverview A rule to verify `super()` callings in constructor. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not a given node is a constructor. + * @param {ASTNode} node A node to check. This node type is one of + * `Program`, `FunctionDeclaration`, `FunctionExpression`, and + * `ArrowFunctionExpression`. + * @returns {boolean} `true` if the node is a constructor. + */ +function isConstructorFunction(node) { + return ( + node.type === "FunctionExpression" && + node.parent.type === "MethodDefinition" && + node.parent.kind === "constructor" + ); +} + +/** + * Checks whether a given node can be a constructor or not. + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node can be a constructor. + */ +function isPossibleConstructor(node) { + if (!node) { + return false; + } + + switch (node.type) { + case "ClassExpression": + case "FunctionExpression": + case "ThisExpression": + case "MemberExpression": + case "CallExpression": + case "NewExpression": + case "ChainExpression": + case "YieldExpression": + case "TaggedTemplateExpression": + case "MetaProperty": + return true; + + case "Identifier": + return node.name !== "undefined"; + + case "AssignmentExpression": + if (["=", "&&="].includes(node.operator)) { + return isPossibleConstructor(node.right); + } + + if (["||=", "??="].includes(node.operator)) { + return ( + isPossibleConstructor(node.left) || + isPossibleConstructor(node.right) + ); + } + + /** + * All other assignment operators are mathematical assignment operators (arithmetic or bitwise). + * An assignment expression with a mathematical operator can either evaluate to a primitive value, + * or throw, depending on the operands. Thus, it cannot evaluate to a constructor function. + */ + return false; + + case "LogicalExpression": + /* + * If the && operator short-circuits, the left side was falsy and therefore not a constructor, and if + * it doesn't short-circuit, it takes the value from the right side, so the right side must always be a + * possible constructor. A future improvement could verify that the left side could be truthy by + * excluding falsy literals. + */ + if (node.operator === "&&") { + return isPossibleConstructor(node.right); + } + + return ( + isPossibleConstructor(node.left) || + isPossibleConstructor(node.right) + ); + + case "ConditionalExpression": + return ( + isPossibleConstructor(node.alternate) || + isPossibleConstructor(node.consequent) + ); + + case "SequenceExpression": { + const lastExpression = node.expressions.at(-1); + + return isPossibleConstructor(lastExpression); + } + + default: + return false; + } +} + +/** + * A class to store information about a code path segment. + */ +class SegmentInfo { + /** + * Indicates if super() is called in all code paths. + * @type {boolean} + */ + calledInEveryPaths = false; + + /** + * Indicates if super() is called in any code paths. + * @type {boolean} + */ + calledInSomePaths = false; + + /** + * The nodes which have been validated and don't need to be reconsidered. + * @type {ASTNode[]} + */ + validNodes = []; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Require `super()` calls in constructors", + recommended: true, + url: "https://eslint.org/docs/latest/rules/constructor-super", + }, + + schema: [], + + messages: { + missingSome: "Lacked a call of 'super()' in some code paths.", + missingAll: "Expected to call 'super()'.", + + duplicate: "Unexpected duplicate 'super()'.", + badSuper: + "Unexpected 'super()' because 'super' is not a constructor.", + }, + }, + + create(context) { + /* + * {{hasExtends: boolean, scope: Scope, codePath: CodePath}[]} + * Information for each constructor. + * - upper: Information of the upper constructor. + * - hasExtends: A flag which shows whether own class has a valid `extends` + * part. + * - scope: The scope of own class. + * - codePath: The code path object of the constructor. + */ + let funcInfo = null; + + /** + * @type {Record} + */ + const segInfoMap = Object.create(null); + + /** + * Gets the flag which shows `super()` is called in some paths. + * @param {CodePathSegment} segment A code path segment to get. + * @returns {boolean} The flag which shows `super()` is called in some paths + */ + function isCalledInSomePath(segment) { + return ( + segment.reachable && segInfoMap[segment.id].calledInSomePaths + ); + } + + /** + * Determines if a segment has been seen in the traversal. + * @param {CodePathSegment} segment A code path segment to check. + * @returns {boolean} `true` if the segment has been seen. + */ + function hasSegmentBeenSeen(segment) { + return !!segInfoMap[segment.id]; + } + + /** + * Gets the flag which shows `super()` is called in all paths. + * @param {CodePathSegment} segment A code path segment to get. + * @returns {boolean} The flag which shows `super()` is called in all paths. + */ + function isCalledInEveryPath(segment) { + return ( + segment.reachable && segInfoMap[segment.id].calledInEveryPaths + ); + } + + return { + /** + * Stacks a constructor information. + * @param {CodePath} codePath A code path which was started. + * @param {ASTNode} node The current node. + * @returns {void} + */ + onCodePathStart(codePath, node) { + if (isConstructorFunction(node)) { + // Class > ClassBody > MethodDefinition > FunctionExpression + const classNode = node.parent.parent.parent; + const superClass = classNode.superClass; + + funcInfo = { + upper: funcInfo, + isConstructor: true, + hasExtends: Boolean(superClass), + superIsConstructor: isPossibleConstructor(superClass), + codePath, + currentSegments: new Set(), + }; + } else { + funcInfo = { + upper: funcInfo, + isConstructor: false, + hasExtends: false, + superIsConstructor: false, + codePath, + currentSegments: new Set(), + }; + } + }, + + /** + * Pops a constructor information. + * And reports if `super()` lacked. + * @param {CodePath} codePath A code path which was ended. + * @param {ASTNode} node The current node. + * @returns {void} + */ + onCodePathEnd(codePath, node) { + const hasExtends = funcInfo.hasExtends; + + // Pop. + funcInfo = funcInfo.upper; + + if (!hasExtends) { + return; + } + + // Reports if `super()` lacked. + const returnedSegments = codePath.returnedSegments; + const calledInEveryPaths = + returnedSegments.every(isCalledInEveryPath); + const calledInSomePaths = + returnedSegments.some(isCalledInSomePath); + + if (!calledInEveryPaths) { + context.report({ + messageId: calledInSomePaths + ? "missingSome" + : "missingAll", + node: node.parent, + }); + } + }, + + /** + * Initialize information of a given code path segment. + * @param {CodePathSegment} segment A code path segment to initialize. + * @param {CodePathSegment} node Node that starts the segment. + * @returns {void} + */ + onCodePathSegmentStart(segment, node) { + funcInfo.currentSegments.add(segment); + + if (!(funcInfo.isConstructor && funcInfo.hasExtends)) { + return; + } + + // Initialize info. + const info = (segInfoMap[segment.id] = new SegmentInfo()); + + const seenPrevSegments = + segment.prevSegments.filter(hasSegmentBeenSeen); + + // When there are previous segments, aggregates these. + if (seenPrevSegments.length > 0) { + info.calledInSomePaths = + seenPrevSegments.some(isCalledInSomePath); + info.calledInEveryPaths = + seenPrevSegments.every(isCalledInEveryPath); + } + + /* + * ForStatement > *.update segments are a special case as they are created in advance, + * without seen previous segments. Since they logically don't affect `calledInEveryPaths` + * calculations, and they can never be a lone previous segment of another one, we'll set + * their `calledInEveryPaths` to `true` to effectively ignore them in those calculations. + * . + */ + if ( + node.parent && + node.parent.type === "ForStatement" && + node.parent.update === node + ) { + info.calledInEveryPaths = true; + } + }, + + onUnreachableCodePathSegmentStart(segment) { + funcInfo.currentSegments.add(segment); + }, + + onUnreachableCodePathSegmentEnd(segment) { + funcInfo.currentSegments.delete(segment); + }, + + onCodePathSegmentEnd(segment) { + funcInfo.currentSegments.delete(segment); + }, + + /** + * Update information of the code path segment when a code path was + * looped. + * @param {CodePathSegment} fromSegment The code path segment of the + * end of a loop. + * @param {CodePathSegment} toSegment A code path segment of the head + * of a loop. + * @returns {void} + */ + onCodePathSegmentLoop(fromSegment, toSegment) { + if (!(funcInfo.isConstructor && funcInfo.hasExtends)) { + return; + } + + funcInfo.codePath.traverseSegments( + { first: toSegment, last: fromSegment }, + (segment, controller) => { + const info = segInfoMap[segment.id]; + + // skip segments after the loop + if (!info) { + controller.skip(); + return; + } + + const seenPrevSegments = + segment.prevSegments.filter(hasSegmentBeenSeen); + const calledInSomePreviousPaths = + seenPrevSegments.some(isCalledInSomePath); + const calledInEveryPreviousPaths = + seenPrevSegments.every(isCalledInEveryPath); + + info.calledInSomePaths ||= calledInSomePreviousPaths; + info.calledInEveryPaths ||= calledInEveryPreviousPaths; + + // If flags become true anew, reports the valid nodes. + if (calledInSomePreviousPaths) { + const nodes = info.validNodes; + + info.validNodes = []; + + for (let i = 0; i < nodes.length; ++i) { + const node = nodes[i]; + + context.report({ + messageId: "duplicate", + node, + }); + } + } + }, + ); + }, + + /** + * Checks for a call of `super()`. + * @param {ASTNode} node A CallExpression node to check. + * @returns {void} + */ + "CallExpression:exit"(node) { + if (!(funcInfo.isConstructor && funcInfo.hasExtends)) { + return; + } + + // Skips except `super()`. + if (node.callee.type !== "Super") { + return; + } + + // Reports if needed. + const segments = funcInfo.currentSegments; + let duplicate = false; + let info = null; + + for (const segment of segments) { + if (segment.reachable) { + info = segInfoMap[segment.id]; + + duplicate = duplicate || info.calledInSomePaths; + info.calledInSomePaths = info.calledInEveryPaths = true; + } + } + + if (info) { + if (duplicate) { + context.report({ + messageId: "duplicate", + node, + }); + } else if (!funcInfo.superIsConstructor) { + context.report({ + messageId: "badSuper", + node, + }); + } else { + info.validNodes.push(node); + } + } + }, + + /** + * Set the mark to the returned path as `super()` was called. + * @param {ASTNode} node A ReturnStatement node to check. + * @returns {void} + */ + ReturnStatement(node) { + if (!(funcInfo.isConstructor && funcInfo.hasExtends)) { + return; + } + + // Skips if no argument. + if (!node.argument) { + return; + } + + // Returning argument is a substitute of 'super()'. + const segments = funcInfo.currentSegments; + + for (const segment of segments) { + if (segment.reachable) { + const info = segInfoMap[segment.id]; + + info.calledInSomePaths = info.calledInEveryPaths = true; + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/curly.js b/module/node_modules/eslint/lib/rules/curly.js new file mode 100644 index 000000000..fd4438d31 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/curly.js @@ -0,0 +1,425 @@ +/** + * @fileoverview Rule to flag statements without curly braces + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Enforce consistent brace style for all control statements", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/curly", + }, + + schema: { + anyOf: [ + { + type: "array", + items: [ + { + enum: ["all"], + }, + ], + minItems: 0, + maxItems: 1, + }, + { + type: "array", + items: [ + { + enum: ["multi", "multi-line", "multi-or-nest"], + }, + { + enum: ["consistent"], + }, + ], + minItems: 0, + maxItems: 2, + }, + ], + }, + + defaultOptions: ["all"], + + fixable: "code", + + messages: { + missingCurlyAfter: "Expected { after '{{name}}'.", + missingCurlyAfterCondition: + "Expected { after '{{name}}' condition.", + unexpectedCurlyAfter: "Unnecessary { after '{{name}}'.", + unexpectedCurlyAfterCondition: + "Unnecessary { after '{{name}}' condition.", + }, + }, + + create(context) { + const multiOnly = context.options[0] === "multi"; + const multiLine = context.options[0] === "multi-line"; + const multiOrNest = context.options[0] === "multi-or-nest"; + const consistent = context.options[1] === "consistent"; + + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Determines if a given node is a one-liner that's on the same line as it's preceding code. + * @param {ASTNode} node The node to check. + * @returns {boolean} True if the node is a one-liner that's on the same line as it's preceding code. + * @private + */ + function isCollapsedOneLiner(node) { + const before = sourceCode.getTokenBefore(node); + const last = sourceCode.getLastToken(node); + const lastExcludingSemicolon = astUtils.isSemicolonToken(last) + ? sourceCode.getTokenBefore(last) + : last; + + return ( + before.loc.start.line === lastExcludingSemicolon.loc.end.line + ); + } + + /** + * Determines if a given node is a one-liner. + * @param {ASTNode} node The node to check. + * @returns {boolean} True if the node is a one-liner. + * @private + */ + function isOneLiner(node) { + if (node.type === "EmptyStatement") { + return true; + } + + const first = sourceCode.getFirstToken(node); + const last = sourceCode.getLastToken(node); + const lastExcludingSemicolon = astUtils.isSemicolonToken(last) + ? sourceCode.getTokenBefore(last) + : last; + + return first.loc.start.line === lastExcludingSemicolon.loc.end.line; + } + + /** + * Determines if a semicolon needs to be inserted after removing a set of curly brackets, in order to avoid a SyntaxError. + * @param {Token} closingBracket The } token + * @returns {boolean} `true` if a semicolon needs to be inserted after the last statement in the block. + */ + function needsSemicolon(closingBracket) { + const tokenBefore = sourceCode.getTokenBefore(closingBracket); + const tokenAfter = sourceCode.getTokenAfter(closingBracket); + const lastBlockNode = sourceCode.getNodeByRangeIndex( + tokenBefore.range[0], + ); + + if (astUtils.isSemicolonToken(tokenBefore)) { + // If the last statement already has a semicolon, don't add another one. + return false; + } + + if (!tokenAfter) { + // If there are no statements after this block, there is no need to add a semicolon. + return false; + } + + if ( + lastBlockNode.type === "BlockStatement" && + lastBlockNode.parent.type !== "FunctionExpression" && + lastBlockNode.parent.type !== "ArrowFunctionExpression" + ) { + /* + * If the last node surrounded by curly brackets is a BlockStatement (other than a FunctionExpression or an ArrowFunctionExpression), + * don't insert a semicolon. Otherwise, the semicolon would be parsed as a separate statement, which would cause + * a SyntaxError if it was followed by `else`. + */ + return false; + } + + if (tokenBefore.loc.end.line === tokenAfter.loc.start.line) { + // If the next token is on the same line, insert a semicolon. + return true; + } + + if (/^[([/`+-]/u.test(tokenAfter.value)) { + // If the next token starts with a character that would disrupt ASI, insert a semicolon. + return true; + } + + if ( + tokenBefore.type === "Punctuator" && + (tokenBefore.value === "++" || tokenBefore.value === "--") + ) { + // If the last token is ++ or --, insert a semicolon to avoid disrupting ASI. + return true; + } + + // Otherwise, do not insert a semicolon. + return false; + } + + /** + * Prepares to check the body of a node to see if it's a block statement. + * @param {ASTNode} node The node to report if there's a problem. + * @param {ASTNode} body The body node to check for blocks. + * @param {string} name The name to report if there's a problem. + * @param {{ condition: boolean }} opts Options to pass to the report functions + * @returns {Object} a prepared check object, with "actual", "expected", "check" properties. + * "actual" will be `true` or `false` whether the body is already a block statement. + * "expected" will be `true` or `false` if the body should be a block statement or not, or + * `null` if it doesn't matter, depending on the rule options. It can be modified to change + * the final behavior of "check". + * "check" will be a function reporting appropriate problems depending on the other + * properties. + */ + function prepareCheck(node, body, name, opts) { + const hasBlock = body.type === "BlockStatement"; + let expected = null; + + if ( + hasBlock && + (body.body.length !== 1 || + astUtils.areBracesNecessary(body, sourceCode)) + ) { + expected = true; + } else if (multiOnly) { + expected = false; + } else if (multiLine) { + if (!isCollapsedOneLiner(body)) { + expected = true; + } + + // otherwise, the body is allowed to have braces or not to have braces + } else if (multiOrNest) { + if (hasBlock) { + const statement = body.body[0]; + const leadingCommentsInBlock = + sourceCode.getCommentsBefore(statement); + + expected = + !isOneLiner(statement) || + leadingCommentsInBlock.length > 0; + } else { + expected = !isOneLiner(body); + } + } else { + // default "all" + expected = true; + } + + return { + actual: hasBlock, + expected, + check() { + if ( + this.expected !== null && + this.expected !== this.actual + ) { + if (this.expected) { + context.report({ + node, + loc: body.loc, + messageId: + opts && opts.condition + ? "missingCurlyAfterCondition" + : "missingCurlyAfter", + data: { + name, + }, + fix: fixer => + fixer.replaceText( + body, + `{${sourceCode.getText(body)}}`, + ), + }); + } else { + context.report({ + node, + loc: body.loc, + messageId: + opts && opts.condition + ? "unexpectedCurlyAfterCondition" + : "unexpectedCurlyAfter", + data: { + name, + }, + fix(fixer) { + /* + * `do while` expressions sometimes need a space to be inserted after `do`. + * e.g. `do{foo()} while (bar)` should be corrected to `do foo() while (bar)` + */ + const needsPrecedingSpace = + node.type === "DoWhileStatement" && + sourceCode.getTokenBefore(body) + .range[1] === body.range[0] && + !astUtils.canTokensBeAdjacent( + "do", + sourceCode.getFirstToken(body, { + skip: 1, + }), + ); + + const openingBracket = + sourceCode.getFirstToken(body); + const closingBracket = + sourceCode.getLastToken(body); + const lastTokenInBlock = + sourceCode.getTokenBefore( + closingBracket, + ); + + if (needsSemicolon(closingBracket)) { + /* + * If removing braces would cause a SyntaxError due to multiple statements on the same line (or + * change the semantics of the code due to ASI), don't perform a fix. + */ + return null; + } + + const resultingBodyText = + sourceCode + .getText() + .slice( + openingBracket.range[1], + lastTokenInBlock.range[0], + ) + + sourceCode.getText(lastTokenInBlock) + + sourceCode + .getText() + .slice( + lastTokenInBlock.range[1], + closingBracket.range[0], + ); + + return fixer.replaceText( + body, + (needsPrecedingSpace ? " " : "") + + resultingBodyText, + ); + }, + }); + } + } + }, + }; + } + + /** + * Prepares to check the bodies of a "if", "else if" and "else" chain. + * @param {ASTNode} node The first IfStatement node of the chain. + * @returns {Object[]} prepared checks for each body of the chain. See `prepareCheck` for more + * information. + */ + function prepareIfChecks(node) { + const preparedChecks = []; + + for ( + let currentNode = node; + currentNode; + currentNode = currentNode.alternate + ) { + preparedChecks.push( + prepareCheck(currentNode, currentNode.consequent, "if", { + condition: true, + }), + ); + if ( + currentNode.alternate && + currentNode.alternate.type !== "IfStatement" + ) { + preparedChecks.push( + prepareCheck( + currentNode, + currentNode.alternate, + "else", + ), + ); + break; + } + } + + if (consistent) { + /* + * If any node should have or already have braces, make sure they + * all have braces. + * If all nodes shouldn't have braces, make sure they don't. + */ + const expected = preparedChecks.some(preparedCheck => { + if (preparedCheck.expected !== null) { + return preparedCheck.expected; + } + return preparedCheck.actual; + }); + + preparedChecks.forEach(preparedCheck => { + preparedCheck.expected = expected; + }); + } + + return preparedChecks; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + IfStatement(node) { + const parent = node.parent; + const isElseIf = + parent.type === "IfStatement" && parent.alternate === node; + + if (!isElseIf) { + // This is a top `if`, check the whole `if-else-if` chain + prepareIfChecks(node).forEach(preparedCheck => { + preparedCheck.check(); + }); + } + + // Skip `else if`, it's already checked (when the top `if` was visited) + }, + + WhileStatement(node) { + prepareCheck(node, node.body, "while", { + condition: true, + }).check(); + }, + + DoWhileStatement(node) { + prepareCheck(node, node.body, "do").check(); + }, + + ForStatement(node) { + prepareCheck(node, node.body, "for", { + condition: true, + }).check(); + }, + + ForInStatement(node) { + prepareCheck(node, node.body, "for-in").check(); + }, + + ForOfStatement(node) { + prepareCheck(node, node.body, "for-of").check(); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/default-case-last.js b/module/node_modules/eslint/lib/rules/default-case-last.js new file mode 100644 index 000000000..1c6170b48 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/default-case-last.js @@ -0,0 +1,51 @@ +/** + * @fileoverview Rule to enforce `default` clauses in `switch` statements to be last + * @author Milos Djermanovic + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Enforce `default` clauses in `switch` statements to be last", + recommended: false, + url: "https://eslint.org/docs/latest/rules/default-case-last", + }, + + schema: [], + + messages: { + notLast: "Default clause should be the last clause.", + }, + }, + + create(context) { + return { + SwitchStatement(node) { + const cases = node.cases, + indexOfDefault = cases.findIndex(c => c.test === null); + + if ( + indexOfDefault !== -1 && + indexOfDefault !== cases.length - 1 + ) { + const defaultClause = cases[indexOfDefault]; + + context.report({ + node: defaultClause, + messageId: "notLast", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/default-case.js b/module/node_modules/eslint/lib/rules/default-case.js new file mode 100644 index 000000000..23e2f6efa --- /dev/null +++ b/module/node_modules/eslint/lib/rules/default-case.js @@ -0,0 +1,103 @@ +/** + * @fileoverview require default case in switch statements + * @author Aliaksei Shytkin + */ +"use strict"; + +const DEFAULT_COMMENT_PATTERN = /^no default$/iu; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [{}], + + docs: { + description: "Require `default` cases in `switch` statements", + recommended: false, + url: "https://eslint.org/docs/latest/rules/default-case", + }, + + schema: [ + { + type: "object", + properties: { + commentPattern: { + type: "string", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + missingDefaultCase: "Expected a default case.", + }, + }, + + create(context) { + const [options] = context.options; + const commentPattern = options.commentPattern + ? new RegExp(options.commentPattern, "u") + : DEFAULT_COMMENT_PATTERN; + + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Shortcut to get last element of array + * @param {*[]} collection Array + * @returns {any} Last element + */ + function last(collection) { + return collection.at(-1); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + SwitchStatement(node) { + if (!node.cases.length) { + /* + * skip check of empty switch because there is no easy way + * to extract comments inside it now + */ + return; + } + + const hasDefault = node.cases.some(v => v.test === null); + + if (!hasDefault) { + let comment; + + const lastCase = last(node.cases); + const comments = sourceCode.getCommentsAfter(lastCase); + + if (comments.length) { + comment = last(comments); + } + + if ( + !comment || + !commentPattern.test(comment.value.trim()) + ) { + context.report({ + node, + messageId: "missingDefaultCase", + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/default-param-last.js b/module/node_modules/eslint/lib/rules/default-param-last.js new file mode 100644 index 000000000..101b89ff8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/default-param-last.js @@ -0,0 +1,78 @@ +/** + * @fileoverview enforce default parameters to be last + * @author Chiawen Chen + */ + +"use strict"; + +/** + * Checks if node is required: i.e. does not have a default value or ? optional indicator. + * @param {ASTNode} node the node to be evaluated + * @returns {boolean} true if the node is required, false if not. + */ +function isRequiredParameter(node) { + return !( + node.type === "AssignmentPattern" || + node.type === "RestElement" || + node.optional + ); +} + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + dialects: ["javascript", "typescript"], + language: "javascript", + type: "suggestion", + + docs: { + description: "Enforce default parameters to be last", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/default-param-last", + }, + + schema: [], + + messages: { + shouldBeLast: "Default parameters should be last.", + }, + }, + + create(context) { + /** + * Handler for function contexts. + * @param {ASTNode} node function node + * @returns {void} + */ + function handleFunction(node) { + let hasSeenRequiredParameter = false; + + for (let i = node.params.length - 1; i >= 0; i -= 1) { + const current = node.params[i]; + const param = + current.type === "TSParameterProperty" + ? current.parameter + : current; + + if (isRequiredParameter(param)) { + hasSeenRequiredParameter = true; + continue; + } + + if (hasSeenRequiredParameter) { + context.report({ + node: current, + messageId: "shouldBeLast", + }); + } + } + } + + return { + FunctionDeclaration: handleFunction, + FunctionExpression: handleFunction, + ArrowFunctionExpression: handleFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/dot-location.js b/module/node_modules/eslint/lib/rules/dot-location.js new file mode 100644 index 000000000..9025a1fe2 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/dot-location.js @@ -0,0 +1,138 @@ +/** + * @fileoverview Validates newlines before and after dots + * @author Greg Cochard + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "dot-location", + url: "https://eslint.style/rules/dot-location", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent newlines before and after dots", + recommended: false, + url: "https://eslint.org/docs/latest/rules/dot-location", + }, + + schema: [ + { + enum: ["object", "property"], + }, + ], + + fixable: "code", + + messages: { + expectedDotAfterObject: + "Expected dot to be on same line as object.", + expectedDotBeforeProperty: + "Expected dot to be on same line as property.", + }, + }, + + create(context) { + const config = context.options[0]; + + // default to onObject if no preference is passed + const onObject = config === "object" || !config; + + const sourceCode = context.sourceCode; + + /** + * Reports if the dot between object and property is on the correct location. + * @param {ASTNode} node The `MemberExpression` node. + * @returns {void} + */ + function checkDotLocation(node) { + const property = node.property; + const dotToken = sourceCode.getTokenBefore(property); + + if (onObject) { + // `obj` expression can be parenthesized, but those paren tokens are not a part of the `obj` node. + const tokenBeforeDot = sourceCode.getTokenBefore(dotToken); + + if (!astUtils.isTokenOnSameLine(tokenBeforeDot, dotToken)) { + context.report({ + node, + loc: dotToken.loc, + messageId: "expectedDotAfterObject", + *fix(fixer) { + if ( + dotToken.value.startsWith(".") && + astUtils.isDecimalIntegerNumericToken( + tokenBeforeDot, + ) + ) { + yield fixer.insertTextAfter( + tokenBeforeDot, + ` ${dotToken.value}`, + ); + } else { + yield fixer.insertTextAfter( + tokenBeforeDot, + dotToken.value, + ); + } + yield fixer.remove(dotToken); + }, + }); + } + } else if (!astUtils.isTokenOnSameLine(dotToken, property)) { + context.report({ + node, + loc: dotToken.loc, + messageId: "expectedDotBeforeProperty", + *fix(fixer) { + yield fixer.remove(dotToken); + yield fixer.insertTextBefore(property, dotToken.value); + }, + }); + } + } + + /** + * Checks the spacing of the dot within a member expression. + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function checkNode(node) { + if (!node.computed) { + checkDotLocation(node); + } + } + + return { + MemberExpression: checkNode, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/dot-notation.js b/module/node_modules/eslint/lib/rules/dot-notation.js new file mode 100644 index 000000000..d6e4d05ce --- /dev/null +++ b/module/node_modules/eslint/lib/rules/dot-notation.js @@ -0,0 +1,216 @@ +/** + * @fileoverview Rule to warn about using dot notation instead of square bracket notation when possible. + * @author Josh Perez + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const keywords = require("./utils/keywords"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const validIdentifier = /^[a-zA-Z_$][\w$]*$/u; + +// `null` literal must be handled separately. +const literalTypesToCheck = new Set(["string", "boolean"]); + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + allowKeywords: true, + allowPattern: "", + }, + ], + + docs: { + description: "Enforce dot notation whenever possible", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/dot-notation", + }, + + schema: [ + { + type: "object", + properties: { + allowKeywords: { + type: "boolean", + }, + allowPattern: { + type: "string", + }, + }, + additionalProperties: false, + }, + ], + + fixable: "code", + + messages: { + useDot: "[{{key}}] is better written in dot notation.", + useBrackets: ".{{key}} is a syntax error.", + }, + }, + + create(context) { + const [options] = context.options; + const allowKeywords = options.allowKeywords; + const sourceCode = context.sourceCode; + + let allowPattern; + + if (options.allowPattern) { + allowPattern = new RegExp(options.allowPattern, "u"); + } + + /** + * Check if the property is valid dot notation + * @param {ASTNode} node The dot notation node + * @param {string} value Value which is to be checked + * @returns {void} + */ + function checkComputedProperty(node, value) { + if ( + validIdentifier.test(value) && + (allowKeywords || !keywords.includes(String(value))) && + !(allowPattern && allowPattern.test(value)) + ) { + const formattedValue = + node.property.type === "Literal" + ? JSON.stringify(value) + : `\`${value}\``; + + context.report({ + node: node.property, + messageId: "useDot", + data: { + key: formattedValue, + }, + *fix(fixer) { + const leftBracket = sourceCode.getTokenAfter( + node.object, + astUtils.isOpeningBracketToken, + ); + const rightBracket = sourceCode.getLastToken(node); + const nextToken = sourceCode.getTokenAfter(node); + + // Don't perform any fixes if there are comments inside the brackets. + if ( + sourceCode.commentsExistBetween( + leftBracket, + rightBracket, + ) + ) { + return; + } + + // Replace the brackets by an identifier. + if (!node.optional) { + yield fixer.insertTextBefore( + leftBracket, + astUtils.isDecimalInteger(node.object) + ? " ." + : ".", + ); + } + yield fixer.replaceTextRange( + [leftBracket.range[0], rightBracket.range[1]], + value, + ); + + // Insert a space after the property if it will be connected to the next token. + if ( + nextToken && + rightBracket.range[1] === nextToken.range[0] && + !astUtils.canTokensBeAdjacent( + String(value), + nextToken, + ) + ) { + yield fixer.insertTextAfter(node, " "); + } + }, + }); + } + } + + return { + MemberExpression(node) { + if ( + node.computed && + node.property.type === "Literal" && + (literalTypesToCheck.has(typeof node.property.value) || + astUtils.isNullLiteral(node.property)) + ) { + checkComputedProperty(node, node.property.value); + } + if ( + node.computed && + astUtils.isStaticTemplateLiteral(node.property) + ) { + checkComputedProperty( + node, + node.property.quasis[0].value.cooked, + ); + } + if ( + !allowKeywords && + !node.computed && + node.property.type === "Identifier" && + keywords.includes(String(node.property.name)) + ) { + context.report({ + node: node.property, + messageId: "useBrackets", + data: { + key: node.property.name, + }, + *fix(fixer) { + const dotToken = sourceCode.getTokenBefore( + node.property, + ); + + // A statement that starts with `let[` is parsed as a destructuring variable declaration, not a MemberExpression. + if ( + node.object.type === "Identifier" && + node.object.name === "let" && + !node.optional + ) { + return; + } + + // Don't perform any fixes if there are comments between the dot and the property name. + if ( + sourceCode.commentsExistBetween( + dotToken, + node.property, + ) + ) { + return; + } + + // Replace the identifier to brackets. + if (!node.optional) { + yield fixer.remove(dotToken); + } + yield fixer.replaceText( + node.property, + `["${node.property.name}"]`, + ); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/eol-last.js b/module/node_modules/eslint/lib/rules/eol-last.js new file mode 100644 index 000000000..494378468 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/eol-last.js @@ -0,0 +1,135 @@ +/** + * @fileoverview Require or disallow newline at the end of files + * @author Nodeca Team + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "eol-last", + url: "https://eslint.style/rules/eol-last", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Require or disallow newline at the end of files", + recommended: false, + url: "https://eslint.org/docs/latest/rules/eol-last", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["always", "never", "unix", "windows"], + }, + ], + + messages: { + missing: "Newline required at end of file but not found.", + unexpected: "Newline not allowed at end of file.", + }, + }, + create(context) { + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program: function checkBadEOF(node) { + const sourceCode = context.sourceCode, + src = sourceCode.getText(), + lastLine = sourceCode.lines.at(-1), + location = { + column: lastLine.length, + line: sourceCode.lines.length, + }, + LF = "\n", + CRLF = `\r${LF}`, + endsWithNewline = src.endsWith(LF); + + /* + * Empty source is always valid: No content in file so we don't + * need to lint for a newline on the last line of content. + */ + if (!src.length) { + return; + } + + let mode = context.options[0] || "always", + appendCRLF = false; + + if (mode === "unix") { + // `"unix"` should behave exactly as `"always"` + mode = "always"; + } + if (mode === "windows") { + // `"windows"` should behave exactly as `"always"`, but append CRLF in the fixer for backwards compatibility + mode = "always"; + appendCRLF = true; + } + if (mode === "always" && !endsWithNewline) { + // File is not newline-terminated, but should be + context.report({ + node, + loc: location, + messageId: "missing", + fix(fixer) { + return fixer.insertTextAfterRange( + [0, src.length], + appendCRLF ? CRLF : LF, + ); + }, + }); + } else if (mode === "never" && endsWithNewline) { + const secondLastLine = sourceCode.lines.at(-2); + + // File is newline-terminated, but shouldn't be + context.report({ + node, + loc: { + start: { + line: sourceCode.lines.length - 1, + column: secondLastLine.length, + }, + end: { line: sourceCode.lines.length, column: 0 }, + }, + messageId: "unexpected", + fix(fixer) { + const finalEOLs = /(?:\r?\n)+$/u, + match = finalEOLs.exec(sourceCode.text), + start = match.index, + end = sourceCode.text.length; + + return fixer.replaceTextRange([start, end], ""); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/eqeqeq.js b/module/node_modules/eslint/lib/rules/eqeqeq.js new file mode 100644 index 000000000..cfe5bd4cf --- /dev/null +++ b/module/node_modules/eslint/lib/rules/eqeqeq.js @@ -0,0 +1,210 @@ +/** + * @fileoverview Rule to flag statements that use != and == instead of !== and === + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + hasSuggestions: true, + + docs: { + description: "Require the use of `===` and `!==`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/eqeqeq", + }, + + schema: { + anyOf: [ + { + type: "array", + items: [ + { + enum: ["always"], + }, + { + type: "object", + properties: { + null: { + enum: ["always", "never", "ignore"], + }, + }, + additionalProperties: false, + }, + ], + additionalItems: false, + }, + { + type: "array", + items: [ + { + enum: ["smart", "allow-null"], + }, + ], + additionalItems: false, + }, + ], + }, + + fixable: "code", + + messages: { + unexpected: + "Expected '{{expectedOperator}}' and instead saw '{{actualOperator}}'.", + replaceOperator: + "Use '{{expectedOperator}}' instead of '{{actualOperator}}'.", + }, + }, + + create(context) { + const config = context.options[0] || "always"; + const options = context.options[1] || {}; + const sourceCode = context.sourceCode; + + const nullOption = + config === "always" ? options.null || "always" : "ignore"; + const enforceRuleForNull = nullOption === "always"; + const enforceInverseRuleForNull = nullOption === "never"; + + /** + * Checks if an expression is a typeof expression + * @param {ASTNode} node The node to check + * @returns {boolean} if the node is a typeof expression + */ + function isTypeOf(node) { + return ( + node.type === "UnaryExpression" && node.operator === "typeof" + ); + } + + /** + * Checks if either operand of a binary expression is a typeof operation + * @param {ASTNode} node The node to check + * @returns {boolean} if one of the operands is typeof + * @private + */ + function isTypeOfBinary(node) { + return isTypeOf(node.left) || isTypeOf(node.right); + } + + /** + * Checks if operands are literals of the same type (via typeof) + * @param {ASTNode} node The node to check + * @returns {boolean} if operands are of same type + * @private + */ + function areLiteralsAndSameType(node) { + return ( + node.left.type === "Literal" && + node.right.type === "Literal" && + typeof node.left.value === typeof node.right.value + ); + } + + /** + * Checks if one of the operands is a literal null + * @param {ASTNode} node The node to check + * @returns {boolean} if operands are null + * @private + */ + function isNullCheck(node) { + return ( + astUtils.isNullLiteral(node.right) || + astUtils.isNullLiteral(node.left) + ); + } + + /** + * Reports a message for this rule. + * @param {ASTNode} node The binary expression node that was checked + * @param {string} expectedOperator The operator that was expected (either '==', '!=', '===', or '!==') + * @returns {void} + * @private + */ + function report(node, expectedOperator) { + const operatorToken = sourceCode.getFirstTokenBetween( + node.left, + node.right, + token => token.value === node.operator, + ); + + const commonReportParams = { + node, + loc: operatorToken.loc, + messageId: "unexpected", + data: { expectedOperator, actualOperator: node.operator }, + }; + + if (isTypeOfBinary(node) || areLiteralsAndSameType(node)) { + context.report({ + ...commonReportParams, + fix(fixer) { + return fixer.replaceText( + operatorToken, + expectedOperator, + ); + }, + }); + } else { + context.report({ + ...commonReportParams, + suggest: [ + { + messageId: "replaceOperator", + data: { + expectedOperator, + actualOperator: node.operator, + }, + fix: fixer => + fixer.replaceText( + operatorToken, + expectedOperator, + ), + }, + ], + }); + } + } + + return { + BinaryExpression(node) { + const isNull = isNullCheck(node); + + if (node.operator !== "==" && node.operator !== "!=") { + if (enforceInverseRuleForNull && isNull) { + report(node, node.operator.slice(0, -1)); + } + return; + } + + if ( + config === "smart" && + (isTypeOfBinary(node) || + areLiteralsAndSameType(node) || + isNull) + ) { + return; + } + + if (!enforceRuleForNull && isNull) { + return; + } + + report(node, `${node.operator}=`); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/for-direction.js b/module/node_modules/eslint/lib/rules/for-direction.js new file mode 100644 index 000000000..7cf14b996 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/for-direction.js @@ -0,0 +1,168 @@ +/** + * @fileoverview enforce `for` loop update clause moving the counter in the right direction.(for-direction) + * @author Aladdin-ADD + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { getStaticValue } = require("@eslint-community/eslint-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Enforce `for` loop update clause moving the counter in the right direction", + recommended: true, + url: "https://eslint.org/docs/latest/rules/for-direction", + }, + + fixable: null, + schema: [], + + messages: { + incorrectDirection: + "The update clause in this loop moves the variable in the wrong direction.", + }, + }, + + create(context) { + const { sourceCode } = context; + + /** + * report an error. + * @param {ASTNode} node the node to report. + * @returns {void} + */ + function report(node) { + context.report({ + loc: { + start: node.loc.start, + end: sourceCode.getTokenBefore(node.body).loc.end, + }, + messageId: "incorrectDirection", + }); + } + + /** + * check the right side of the assignment + * @param {ASTNode} update UpdateExpression to check + * @param {number} dir expected direction that could either be turned around or invalidated + * @returns {number} return dir, the negated dir, or zero if the counter does not change or the direction is not clear + */ + function getRightDirection(update, dir) { + const staticValue = getStaticValue( + update.right, + sourceCode.getScope(update), + ); + + if ( + staticValue && + ["bigint", "boolean", "number"].includes( + typeof staticValue.value, + ) + ) { + const sign = Math.sign(Number(staticValue.value)) || 0; // convert NaN to 0 + + return dir * sign; + } + return 0; + } + + /** + * check UpdateExpression add/sub the counter + * @param {ASTNode} update UpdateExpression to check + * @param {string} counter variable name to check + * @returns {number} if add return 1, if sub return -1, if nochange, return 0 + */ + function getUpdateDirection(update, counter) { + if ( + update.argument.type === "Identifier" && + update.argument.name === counter + ) { + if (update.operator === "++") { + return 1; + } + if (update.operator === "--") { + return -1; + } + } + return 0; + } + + /** + * check AssignmentExpression add/sub the counter + * @param {ASTNode} update AssignmentExpression to check + * @param {string} counter variable name to check + * @returns {number} if add return 1, if sub return -1, if nochange, return 0 + */ + function getAssignmentDirection(update, counter) { + if (update.left.name === counter) { + if (update.operator === "+=") { + return getRightDirection(update, 1); + } + if (update.operator === "-=") { + return getRightDirection(update, -1); + } + } + return 0; + } + + return { + ForStatement(node) { + if ( + node.test && + node.test.type === "BinaryExpression" && + node.update + ) { + for (const counterPosition of ["left", "right"]) { + if (node.test[counterPosition].type !== "Identifier") { + continue; + } + + const counter = node.test[counterPosition].name; + const operator = node.test.operator; + const update = node.update; + + let wrongDirection; + + if (operator === "<" || operator === "<=") { + wrongDirection = + counterPosition === "left" ? -1 : 1; + } else if (operator === ">" || operator === ">=") { + wrongDirection = + counterPosition === "left" ? 1 : -1; + } else { + return; + } + + if (update.type === "UpdateExpression") { + if ( + getUpdateDirection(update, counter) === + wrongDirection + ) { + report(node); + } + } else if ( + update.type === "AssignmentExpression" && + getAssignmentDirection(update, counter) === + wrongDirection + ) { + report(node); + } + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/func-call-spacing.js b/module/node_modules/eslint/lib/rules/func-call-spacing.js new file mode 100644 index 000000000..1195d3f49 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/func-call-spacing.js @@ -0,0 +1,281 @@ +/** + * @fileoverview Rule to control spacing within function calls + * @author Matt DuVall + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "function-call-spacing", + url: "https://eslint.style/rules/function-call-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Require or disallow spacing between function identifiers and their invocations", + recommended: false, + url: "https://eslint.org/docs/latest/rules/func-call-spacing", + }, + + fixable: "whitespace", + + schema: { + anyOf: [ + { + type: "array", + items: [ + { + enum: ["never"], + }, + ], + minItems: 0, + maxItems: 1, + }, + { + type: "array", + items: [ + { + enum: ["always"], + }, + { + type: "object", + properties: { + allowNewlines: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + minItems: 0, + maxItems: 2, + }, + ], + }, + + messages: { + unexpectedWhitespace: + "Unexpected whitespace between function name and paren.", + unexpectedNewline: + "Unexpected newline between function name and paren.", + missing: "Missing space between function name and paren.", + }, + }, + + create(context) { + const never = context.options[0] !== "always"; + const allowNewlines = + !never && context.options[1] && context.options[1].allowNewlines; + const sourceCode = context.sourceCode; + const text = sourceCode.getText(); + + /** + * Check if open space is present in a function name + * @param {ASTNode} node node to evaluate + * @param {Token} leftToken The last token of the callee. This may be the closing parenthesis that encloses the callee. + * @param {Token} rightToken The first token of the arguments. this is the opening parenthesis that encloses the arguments. + * @returns {void} + * @private + */ + function checkSpacing(node, leftToken, rightToken) { + const textBetweenTokens = text + .slice(leftToken.range[1], rightToken.range[0]) + .replace(/\/\*.*?\*\//gu, ""); + const hasWhitespace = /\s/u.test(textBetweenTokens); + const hasNewline = + hasWhitespace && + astUtils.LINEBREAK_MATCHER.test(textBetweenTokens); + + /* + * never allowNewlines hasWhitespace hasNewline message + * F F F F Missing space between function name and paren. + * F F F T (Invalid `!hasWhitespace && hasNewline`) + * F F T T Unexpected newline between function name and paren. + * F F T F (OK) + * F T T F (OK) + * F T T T (OK) + * F T F T (Invalid `!hasWhitespace && hasNewline`) + * F T F F Missing space between function name and paren. + * T T F F (Invalid `never && allowNewlines`) + * T T F T (Invalid `!hasWhitespace && hasNewline`) + * T T T T (Invalid `never && allowNewlines`) + * T T T F (Invalid `never && allowNewlines`) + * T F T F Unexpected space between function name and paren. + * T F T T Unexpected space between function name and paren. + * T F F T (Invalid `!hasWhitespace && hasNewline`) + * T F F F (OK) + * + * T T Unexpected space between function name and paren. + * F F Missing space between function name and paren. + * F F T Unexpected newline between function name and paren. + */ + + if (never && hasWhitespace) { + context.report({ + node, + loc: { + start: leftToken.loc.end, + end: { + line: rightToken.loc.start.line, + column: rightToken.loc.start.column - 1, + }, + }, + messageId: "unexpectedWhitespace", + fix(fixer) { + // Don't remove comments. + if ( + sourceCode.commentsExistBetween( + leftToken, + rightToken, + ) + ) { + return null; + } + + // If `?.` exists, it doesn't hide no-unexpected-multiline errors + if (node.optional) { + return fixer.replaceTextRange( + [leftToken.range[1], rightToken.range[0]], + "?.", + ); + } + + /* + * Only autofix if there is no newline + * https://github.com/eslint/eslint/issues/7787 + */ + if (hasNewline) { + return null; + } + return fixer.removeRange([ + leftToken.range[1], + rightToken.range[0], + ]); + }, + }); + } else if (!never && !hasWhitespace) { + context.report({ + node, + loc: { + start: { + line: leftToken.loc.end.line, + column: leftToken.loc.end.column - 1, + }, + end: rightToken.loc.start, + }, + messageId: "missing", + fix(fixer) { + if (node.optional) { + return null; // Not sure if inserting a space to either before/after `?.` token. + } + return fixer.insertTextBefore(rightToken, " "); + }, + }); + } else if (!never && !allowNewlines && hasNewline) { + context.report({ + node, + loc: { + start: leftToken.loc.end, + end: rightToken.loc.start, + }, + messageId: "unexpectedNewline", + fix(fixer) { + /* + * Only autofix if there is no newline + * https://github.com/eslint/eslint/issues/7787 + * But if `?.` exists, it doesn't hide no-unexpected-multiline errors + */ + if (!node.optional) { + return null; + } + + // Don't remove comments. + if ( + sourceCode.commentsExistBetween( + leftToken, + rightToken, + ) + ) { + return null; + } + + const range = [leftToken.range[1], rightToken.range[0]]; + const qdToken = sourceCode.getTokenAfter(leftToken); + + if (qdToken.range[0] === leftToken.range[1]) { + return fixer.replaceTextRange(range, "?. "); + } + if (qdToken.range[1] === rightToken.range[0]) { + return fixer.replaceTextRange(range, " ?."); + } + return fixer.replaceTextRange(range, " ?. "); + }, + }); + } + } + + return { + "CallExpression, NewExpression"(node) { + const lastToken = sourceCode.getLastToken(node); + const lastCalleeToken = sourceCode.getLastToken(node.callee); + const parenToken = sourceCode.getFirstTokenBetween( + lastCalleeToken, + lastToken, + astUtils.isOpeningParenToken, + ); + const prevToken = + parenToken && + sourceCode.getTokenBefore( + parenToken, + astUtils.isNotQuestionDotToken, + ); + + // Parens in NewExpression are optional + if (!(parenToken && parenToken.range[1] < node.range[1])) { + return; + } + + checkSpacing(node, prevToken, parenToken); + }, + + ImportExpression(node) { + const leftToken = sourceCode.getFirstToken(node); + const rightToken = sourceCode.getTokenAfter(leftToken); + + checkSpacing(node, leftToken, rightToken); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/func-name-matching.js b/module/node_modules/eslint/lib/rules/func-name-matching.js new file mode 100644 index 000000000..4643bfbc4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/func-name-matching.js @@ -0,0 +1,338 @@ +/** + * @fileoverview Rule to require function names to match the name of the variable or property to which they are assigned. + * @author Annie Zhang, Pavel Strashkin + */ + +"use strict"; + +//-------------------------------------------------------------------------- +// Requirements +//-------------------------------------------------------------------------- + +const astUtils = require("./utils/ast-utils"); +const esutils = require("esutils"); + +//-------------------------------------------------------------------------- +// Helpers +//-------------------------------------------------------------------------- + +/** + * Determines if a pattern is `module.exports` or `module["exports"]` + * @param {ASTNode} pattern The left side of the AssignmentExpression + * @returns {boolean} True if the pattern is `module.exports` or `module["exports"]` + */ +function isModuleExports(pattern) { + if ( + pattern.type === "MemberExpression" && + pattern.object.type === "Identifier" && + pattern.object.name === "module" + ) { + // module.exports + if ( + pattern.property.type === "Identifier" && + pattern.property.name === "exports" + ) { + return true; + } + + // module["exports"] + if ( + pattern.property.type === "Literal" && + pattern.property.value === "exports" + ) { + return true; + } + } + return false; +} + +/** + * Determines if a string name is a valid identifier + * @param {string} name The string to be checked + * @param {number} ecmaVersion The ECMAScript version if specified in the parserOptions config + * @returns {boolean} True if the string is a valid identifier + */ +function isIdentifier(name, ecmaVersion) { + if (ecmaVersion >= 2015) { + return esutils.keyword.isIdentifierES6(name); + } + return esutils.keyword.isIdentifierES5(name); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const alwaysOrNever = { enum: ["always", "never"] }; +const optionsObject = { + type: "object", + properties: { + considerPropertyDescriptor: { + type: "boolean", + }, + includeCommonJSModuleExports: { + type: "boolean", + }, + }, + additionalProperties: false, +}; + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Require function names to match the name of the variable or property to which they are assigned", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/func-name-matching", + }, + + schema: { + anyOf: [ + { + type: "array", + additionalItems: false, + items: [alwaysOrNever, optionsObject], + }, + { + type: "array", + additionalItems: false, + items: [optionsObject], + }, + ], + }, + + messages: { + matchProperty: + "Function name `{{funcName}}` should match property name `{{name}}`.", + matchVariable: + "Function name `{{funcName}}` should match variable name `{{name}}`.", + notMatchProperty: + "Function name `{{funcName}}` should not match property name `{{name}}`.", + notMatchVariable: + "Function name `{{funcName}}` should not match variable name `{{name}}`.", + }, + }, + + create(context) { + const options = + (typeof context.options[0] === "object" + ? context.options[0] + : context.options[1]) || {}; + const nameMatches = + typeof context.options[0] === "string" + ? context.options[0] + : "always"; + const considerPropertyDescriptor = options.considerPropertyDescriptor; + const includeModuleExports = options.includeCommonJSModuleExports; + const ecmaVersion = context.languageOptions.ecmaVersion; + + /** + * Check whether node is a certain CallExpression. + * @param {string} objName object name + * @param {string} funcName function name + * @param {ASTNode} node The node to check + * @returns {boolean} `true` if node matches CallExpression + */ + function isPropertyCall(objName, funcName, node) { + if (!node) { + return false; + } + return ( + node.type === "CallExpression" && + astUtils.isSpecificMemberAccess(node.callee, objName, funcName) + ); + } + + /** + * Compares identifiers based on the nameMatches option + * @param {string} x the first identifier + * @param {string} y the second identifier + * @returns {boolean} whether the two identifiers should warn. + */ + function shouldWarn(x, y) { + return ( + (nameMatches === "always" && x !== y) || + (nameMatches === "never" && x === y) + ); + } + + /** + * Reports + * @param {ASTNode} node The node to report + * @param {string} name The variable or property name + * @param {string} funcName The function name + * @param {boolean} isProp True if the reported node is a property assignment + * @returns {void} + */ + function report(node, name, funcName, isProp) { + let messageId; + + if (nameMatches === "always" && isProp) { + messageId = "matchProperty"; + } else if (nameMatches === "always") { + messageId = "matchVariable"; + } else if (isProp) { + messageId = "notMatchProperty"; + } else { + messageId = "notMatchVariable"; + } + context.report({ + node, + messageId, + data: { + name, + funcName, + }, + }); + } + + /** + * Determines whether a given node is a string literal + * @param {ASTNode} node The node to check + * @returns {boolean} `true` if the node is a string literal + */ + function isStringLiteral(node) { + return node.type === "Literal" && typeof node.value === "string"; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + VariableDeclarator(node) { + if ( + !node.init || + node.init.type !== "FunctionExpression" || + node.id.type !== "Identifier" + ) { + return; + } + if ( + node.init.id && + shouldWarn(node.id.name, node.init.id.name) + ) { + report(node, node.id.name, node.init.id.name, false); + } + }, + + AssignmentExpression(node) { + if ( + node.right.type !== "FunctionExpression" || + (node.left.computed && + node.left.property.type !== "Literal") || + (!includeModuleExports && isModuleExports(node.left)) || + (node.left.type !== "Identifier" && + node.left.type !== "MemberExpression") + ) { + return; + } + + const isProp = node.left.type === "MemberExpression"; + const name = isProp + ? astUtils.getStaticPropertyName(node.left) + : node.left.name; + + if ( + node.right.id && + name && + isIdentifier(name) && + shouldWarn(name, node.right.id.name) + ) { + report(node, name, node.right.id.name, isProp); + } + }, + + "Property, PropertyDefinition[value]"(node) { + if ( + !(node.value.type === "FunctionExpression" && node.value.id) + ) { + return; + } + + if (node.key.type === "Identifier" && !node.computed) { + const functionName = node.value.id.name; + let propertyName = node.key.name; + + if ( + considerPropertyDescriptor && + propertyName === "value" && + node.parent.type === "ObjectExpression" + ) { + if ( + isPropertyCall( + "Object", + "defineProperty", + node.parent.parent, + ) || + isPropertyCall( + "Reflect", + "defineProperty", + node.parent.parent, + ) + ) { + const property = node.parent.parent.arguments[1]; + + if ( + isStringLiteral(property) && + shouldWarn(property.value, functionName) + ) { + report( + node, + property.value, + functionName, + true, + ); + } + } else if ( + isPropertyCall( + "Object", + "defineProperties", + node.parent.parent.parent.parent, + ) + ) { + propertyName = node.parent.parent.key.name; + if ( + !node.parent.parent.computed && + shouldWarn(propertyName, functionName) + ) { + report(node, propertyName, functionName, true); + } + } else if ( + isPropertyCall( + "Object", + "create", + node.parent.parent.parent.parent, + ) + ) { + propertyName = node.parent.parent.key.name; + if ( + !node.parent.parent.computed && + shouldWarn(propertyName, functionName) + ) { + report(node, propertyName, functionName, true); + } + } else if (shouldWarn(propertyName, functionName)) { + report(node, propertyName, functionName, true); + } + } else if (shouldWarn(propertyName, functionName)) { + report(node, propertyName, functionName, true); + } + return; + } + + if ( + isStringLiteral(node.key) && + isIdentifier(node.key.value, ecmaVersion) && + shouldWarn(node.key.value, node.value.id.name) + ) { + report(node, node.key.value, node.value.id.name, true); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/func-names.js b/module/node_modules/eslint/lib/rules/func-names.js new file mode 100644 index 000000000..bef70e32a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/func-names.js @@ -0,0 +1,192 @@ +/** + * @fileoverview Rule to warn when a function expression does not have a name. + * @author Kyle T. Nunery + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +/** + * Checks whether or not a given variable is a function name. + * @param {eslint-scope.Variable} variable A variable to check. + * @returns {boolean} `true` if the variable is a function name. + */ +function isFunctionName(variable) { + return variable && variable.defs[0].type === "FunctionName"; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: ["always", {}], + + docs: { + description: "Require or disallow named `function` expressions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/func-names", + }, + + schema: { + definitions: { + value: { + enum: ["always", "as-needed", "never"], + }, + }, + items: [ + { + $ref: "#/definitions/value", + }, + { + type: "object", + properties: { + generators: { + $ref: "#/definitions/value", + }, + }, + additionalProperties: false, + }, + ], + }, + + messages: { + unnamed: "Unexpected unnamed {{name}}.", + named: "Unexpected named {{name}}.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Returns the config option for the given node. + * @param {ASTNode} node A node to get the config for. + * @returns {string} The config option. + */ + function getConfigForNode(node) { + if (node.generator && context.options[1].generators) { + return context.options[1].generators; + } + + return context.options[0]; + } + + /** + * Determines whether the current FunctionExpression node is a get, set, or + * shorthand method in an object literal or a class. + * @param {ASTNode} node A node to check. + * @returns {boolean} True if the node is a get, set, or shorthand method. + */ + function isObjectOrClassMethod(node) { + const parent = node.parent; + + return ( + parent.type === "MethodDefinition" || + (parent.type === "Property" && + (parent.method || + parent.kind === "get" || + parent.kind === "set")) + ); + } + + /** + * Determines whether the current FunctionExpression node has a name that would be + * inferred from context in a conforming ES6 environment. + * @param {ASTNode} node A node to check. + * @returns {boolean} True if the node would have a name assigned automatically. + */ + function hasInferredName(node) { + const parent = node.parent; + + return ( + isObjectOrClassMethod(node) || + (parent.type === "VariableDeclarator" && + parent.id.type === "Identifier" && + parent.init === node) || + (parent.type === "Property" && parent.value === node) || + (parent.type === "PropertyDefinition" && + parent.value === node) || + (parent.type === "AssignmentExpression" && + parent.left.type === "Identifier" && + parent.right === node) || + (parent.type === "AssignmentPattern" && + parent.left.type === "Identifier" && + parent.right === node) + ); + } + + /** + * Reports that an unnamed function should be named + * @param {ASTNode} node The node to report in the event of an error. + * @returns {void} + */ + function reportUnexpectedUnnamedFunction(node) { + context.report({ + node, + messageId: "unnamed", + loc: astUtils.getFunctionHeadLoc(node, sourceCode), + data: { name: astUtils.getFunctionNameWithKind(node) }, + }); + } + + /** + * Reports that a named function should be unnamed + * @param {ASTNode} node The node to report in the event of an error. + * @returns {void} + */ + function reportUnexpectedNamedFunction(node) { + context.report({ + node, + messageId: "named", + loc: astUtils.getFunctionHeadLoc(node, sourceCode), + data: { name: astUtils.getFunctionNameWithKind(node) }, + }); + } + + /** + * The listener for function nodes. + * @param {ASTNode} node function node + * @returns {void} + */ + function handleFunction(node) { + // Skip recursive functions. + const nameVar = sourceCode.getDeclaredVariables(node)[0]; + + if (isFunctionName(nameVar) && nameVar.references.length > 0) { + return; + } + + const hasName = Boolean(node.id && node.id.name); + const config = getConfigForNode(node); + + if (config === "never") { + if (hasName && node.type !== "FunctionDeclaration") { + reportUnexpectedNamedFunction(node); + } + } else if (config === "as-needed") { + if (!hasName && !hasInferredName(node)) { + reportUnexpectedUnnamedFunction(node); + } + } else { + if (!hasName && !isObjectOrClassMethod(node)) { + reportUnexpectedUnnamedFunction(node); + } + } + } + + return { + "FunctionExpression:exit": handleFunction, + "ExportDefaultDeclaration > FunctionDeclaration": handleFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/func-style.js b/module/node_modules/eslint/lib/rules/func-style.js new file mode 100644 index 000000000..dcd4ae9f7 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/func-style.js @@ -0,0 +1,221 @@ +/** + * @fileoverview Rule to enforce a particular function style + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + dialects: ["javascript", "typescript"], + language: "javascript", + type: "suggestion", + + defaultOptions: [ + "expression", + { + allowArrowFunctions: false, + allowTypeAnnotation: false, + overrides: {}, + }, + ], + + docs: { + description: + "Enforce the consistent use of either `function` declarations or expressions assigned to variables", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/func-style", + }, + + schema: [ + { + enum: ["declaration", "expression"], + }, + { + type: "object", + properties: { + allowArrowFunctions: { + type: "boolean", + }, + allowTypeAnnotation: { + type: "boolean", + }, + overrides: { + type: "object", + properties: { + namedExports: { + enum: ["declaration", "expression", "ignore"], + }, + }, + additionalProperties: false, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + expression: "Expected a function expression.", + declaration: "Expected a function declaration.", + }, + }, + + create(context) { + const [style, { allowArrowFunctions, allowTypeAnnotation, overrides }] = + context.options; + const enforceDeclarations = style === "declaration"; + const { namedExports: exportFunctionStyle } = overrides; + const stack = []; + + /** + * Checks if a function declaration is part of an overloaded function + * @param {ASTNode} node The function declaration node to check + * @returns {boolean} True if the function is overloaded + */ + function isOverloadedFunction(node) { + const functionName = node.id.name; + + if (node.parent.type === "ExportNamedDeclaration") { + return node.parent.parent.body.some( + member => + member.type === "ExportNamedDeclaration" && + member.declaration?.type === "TSDeclareFunction" && + member.declaration.id.name === functionName, + ); + } + + if (node.parent.type === "SwitchCase") { + return node.parent.parent.cases.some(switchCase => + switchCase.consequent.some( + member => + member.type === "TSDeclareFunction" && + member.id.name === functionName, + ), + ); + } + + return ( + Array.isArray(node.parent.body) && + node.parent.body.some( + member => + member.type === "TSDeclareFunction" && + member.id.name === functionName, + ) + ); + } + + const nodesToCheck = { + FunctionDeclaration(node) { + stack.push(false); + + if ( + !enforceDeclarations && + node.parent.type !== "ExportDefaultDeclaration" && + (typeof exportFunctionStyle === "undefined" || + node.parent.type !== "ExportNamedDeclaration") && + !isOverloadedFunction(node) + ) { + context.report({ node, messageId: "expression" }); + } + + if ( + node.parent.type === "ExportNamedDeclaration" && + exportFunctionStyle === "expression" && + !isOverloadedFunction(node) + ) { + context.report({ node, messageId: "expression" }); + } + }, + "FunctionDeclaration:exit"() { + stack.pop(); + }, + + FunctionExpression(node) { + stack.push(false); + + if ( + enforceDeclarations && + node.parent.type === "VariableDeclarator" && + (typeof exportFunctionStyle === "undefined" || + node.parent.parent.parent.type !== + "ExportNamedDeclaration") && + !(allowTypeAnnotation && node.parent.id.typeAnnotation) + ) { + context.report({ + node: node.parent, + messageId: "declaration", + }); + } + + if ( + node.parent.type === "VariableDeclarator" && + node.parent.parent.parent.type === + "ExportNamedDeclaration" && + exportFunctionStyle === "declaration" && + !(allowTypeAnnotation && node.parent.id.typeAnnotation) + ) { + context.report({ + node: node.parent, + messageId: "declaration", + }); + } + }, + "FunctionExpression:exit"() { + stack.pop(); + }, + + "ThisExpression, Super"() { + if (stack.length > 0) { + stack[stack.length - 1] = true; + } + }, + }; + + if (!allowArrowFunctions) { + nodesToCheck.ArrowFunctionExpression = function () { + stack.push(false); + }; + + nodesToCheck["ArrowFunctionExpression:exit"] = function (node) { + const hasThisOrSuperExpr = stack.pop(); + + if ( + !hasThisOrSuperExpr && + node.parent.type === "VariableDeclarator" + ) { + if ( + enforceDeclarations && + (typeof exportFunctionStyle === "undefined" || + node.parent.parent.parent.type !== + "ExportNamedDeclaration") && + !(allowTypeAnnotation && node.parent.id.typeAnnotation) + ) { + context.report({ + node: node.parent, + messageId: "declaration", + }); + } + + if ( + node.parent.parent.parent.type === + "ExportNamedDeclaration" && + exportFunctionStyle === "declaration" && + !(allowTypeAnnotation && node.parent.id.typeAnnotation) + ) { + context.report({ + node: node.parent, + messageId: "declaration", + }); + } + } + }; + } + + return nodesToCheck; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/function-call-argument-newline.js b/module/node_modules/eslint/lib/rules/function-call-argument-newline.js new file mode 100644 index 000000000..0ad1ca1d0 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/function-call-argument-newline.js @@ -0,0 +1,166 @@ +/** + * @fileoverview Rule to enforce line breaks between arguments of a function call + * @author Alexey Gonchar + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "function-call-argument-newline", + url: "https://eslint.style/rules/function-call-argument-newline", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce line breaks between arguments of a function call", + recommended: false, + url: "https://eslint.org/docs/latest/rules/function-call-argument-newline", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["always", "never", "consistent"], + }, + ], + + messages: { + unexpectedLineBreak: "There should be no line break here.", + missingLineBreak: + "There should be a line break after this argument.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + const checkers = { + unexpected: { + messageId: "unexpectedLineBreak", + check: (prevToken, currentToken) => + prevToken.loc.end.line !== currentToken.loc.start.line, + createFix: (token, tokenBefore) => fixer => + fixer.replaceTextRange( + [tokenBefore.range[1], token.range[0]], + " ", + ), + }, + missing: { + messageId: "missingLineBreak", + check: (prevToken, currentToken) => + prevToken.loc.end.line === currentToken.loc.start.line, + createFix: (token, tokenBefore) => fixer => + fixer.replaceTextRange( + [tokenBefore.range[1], token.range[0]], + "\n", + ), + }, + }; + + /** + * Check all arguments for line breaks in the CallExpression + * @param {CallExpression} node node to evaluate + * @param {{ messageId: string, check: Function }} checker selected checker + * @returns {void} + * @private + */ + function checkArguments(node, checker) { + for (let i = 1; i < node.arguments.length; i++) { + const prevArgToken = sourceCode.getLastToken( + node.arguments[i - 1], + ); + const currentArgToken = sourceCode.getFirstToken( + node.arguments[i], + ); + + if (checker.check(prevArgToken, currentArgToken)) { + const tokenBefore = sourceCode.getTokenBefore( + currentArgToken, + { includeComments: true }, + ); + + const hasLineCommentBefore = tokenBefore.type === "Line"; + + context.report({ + node, + loc: { + start: tokenBefore.loc.end, + end: currentArgToken.loc.start, + }, + messageId: checker.messageId, + fix: hasLineCommentBefore + ? null + : checker.createFix(currentArgToken, tokenBefore), + }); + } + } + } + + /** + * Check if open space is present in a function name + * @param {CallExpression} node node to evaluate + * @returns {void} + * @private + */ + function check(node) { + if (node.arguments.length < 2) { + return; + } + + const option = context.options[0] || "always"; + + if (option === "never") { + checkArguments(node, checkers.unexpected); + } else if (option === "always") { + checkArguments(node, checkers.missing); + } else if (option === "consistent") { + const firstArgToken = sourceCode.getLastToken( + node.arguments[0], + ); + const secondArgToken = sourceCode.getFirstToken( + node.arguments[1], + ); + + if ( + firstArgToken.loc.end.line === secondArgToken.loc.start.line + ) { + checkArguments(node, checkers.unexpected); + } else { + checkArguments(node, checkers.missing); + } + } + } + + return { + CallExpression: check, + NewExpression: check, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/function-paren-newline.js b/module/node_modules/eslint/lib/rules/function-paren-newline.js new file mode 100644 index 000000000..17e5e9cf8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/function-paren-newline.js @@ -0,0 +1,368 @@ +/** + * @fileoverview enforce consistent line breaks inside function parentheses + * @author Teddy Katz + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "function-paren-newline", + url: "https://eslint.style/rules/function-paren-newline", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce consistent line breaks inside function parentheses", + recommended: false, + url: "https://eslint.org/docs/latest/rules/function-paren-newline", + }, + + fixable: "whitespace", + + schema: [ + { + oneOf: [ + { + enum: [ + "always", + "never", + "consistent", + "multiline", + "multiline-arguments", + ], + }, + { + type: "object", + properties: { + minItems: { + type: "integer", + minimum: 0, + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + expectedBefore: "Expected newline before ')'.", + expectedAfter: "Expected newline after '('.", + expectedBetween: "Expected newline between arguments/params.", + unexpectedBefore: "Unexpected newline before ')'.", + unexpectedAfter: "Unexpected newline after '('.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const rawOption = context.options[0] || "multiline"; + const multilineOption = rawOption === "multiline"; + const multilineArgumentsOption = rawOption === "multiline-arguments"; + const consistentOption = rawOption === "consistent"; + let minItems; + + if (typeof rawOption === "object") { + minItems = rawOption.minItems; + } else if (rawOption === "always") { + minItems = 0; + } else if (rawOption === "never") { + minItems = Infinity; + } else { + minItems = null; + } + + //---------------------------------------------------------------------- + // Helpers + //---------------------------------------------------------------------- + + /** + * Determines whether there should be newlines inside function parens + * @param {ASTNode[]} elements The arguments or parameters in the list + * @param {boolean} hasLeftNewline `true` if the left paren has a newline in the current code. + * @returns {boolean} `true` if there should be newlines inside the function parens + */ + function shouldHaveNewlines(elements, hasLeftNewline) { + if (multilineArgumentsOption && elements.length === 1) { + return hasLeftNewline; + } + if (multilineOption || multilineArgumentsOption) { + return elements.some( + (element, index) => + index !== elements.length - 1 && + element.loc.end.line !== + elements[index + 1].loc.start.line, + ); + } + if (consistentOption) { + return hasLeftNewline; + } + return elements.length >= minItems; + } + + /** + * Validates parens + * @param {Object} parens An object with keys `leftParen` for the left paren token, and `rightParen` for the right paren token + * @param {ASTNode[]} elements The arguments or parameters in the list + * @returns {void} + */ + function validateParens(parens, elements) { + const leftParen = parens.leftParen; + const rightParen = parens.rightParen; + const tokenAfterLeftParen = sourceCode.getTokenAfter(leftParen); + const tokenBeforeRightParen = sourceCode.getTokenBefore(rightParen); + const hasLeftNewline = !astUtils.isTokenOnSameLine( + leftParen, + tokenAfterLeftParen, + ); + const hasRightNewline = !astUtils.isTokenOnSameLine( + tokenBeforeRightParen, + rightParen, + ); + const needsNewlines = shouldHaveNewlines(elements, hasLeftNewline); + + if (hasLeftNewline && !needsNewlines) { + context.report({ + node: leftParen, + messageId: "unexpectedAfter", + fix(fixer) { + return sourceCode + .getText() + .slice( + leftParen.range[1], + tokenAfterLeftParen.range[0], + ) + .trim() + ? // If there is a comment between the ( and the first element, don't do a fix. + null + : fixer.removeRange([ + leftParen.range[1], + tokenAfterLeftParen.range[0], + ]); + }, + }); + } else if (!hasLeftNewline && needsNewlines) { + context.report({ + node: leftParen, + messageId: "expectedAfter", + fix: fixer => fixer.insertTextAfter(leftParen, "\n"), + }); + } + + if (hasRightNewline && !needsNewlines) { + context.report({ + node: rightParen, + messageId: "unexpectedBefore", + fix(fixer) { + return sourceCode + .getText() + .slice( + tokenBeforeRightParen.range[1], + rightParen.range[0], + ) + .trim() + ? // If there is a comment between the last element and the ), don't do a fix. + null + : fixer.removeRange([ + tokenBeforeRightParen.range[1], + rightParen.range[0], + ]); + }, + }); + } else if (!hasRightNewline && needsNewlines) { + context.report({ + node: rightParen, + messageId: "expectedBefore", + fix: fixer => fixer.insertTextBefore(rightParen, "\n"), + }); + } + } + + /** + * Validates a list of arguments or parameters + * @param {Object} parens An object with keys `leftParen` for the left paren token, and `rightParen` for the right paren token + * @param {ASTNode[]} elements The arguments or parameters in the list + * @returns {void} + */ + function validateArguments(parens, elements) { + const leftParen = parens.leftParen; + const tokenAfterLeftParen = sourceCode.getTokenAfter(leftParen); + const hasLeftNewline = !astUtils.isTokenOnSameLine( + leftParen, + tokenAfterLeftParen, + ); + const needsNewlines = shouldHaveNewlines(elements, hasLeftNewline); + + for (let i = 0; i <= elements.length - 2; i++) { + const currentElement = elements[i]; + const nextElement = elements[i + 1]; + const hasNewLine = + currentElement.loc.end.line !== nextElement.loc.start.line; + + if (!hasNewLine && needsNewlines) { + context.report({ + node: currentElement, + messageId: "expectedBetween", + fix: fixer => fixer.insertTextBefore(nextElement, "\n"), + }); + } + } + } + + /** + * Gets the left paren and right paren tokens of a node. + * @param {ASTNode} node The node with parens + * @throws {TypeError} Unexpected node type. + * @returns {Object} An object with keys `leftParen` for the left paren token, and `rightParen` for the right paren token. + * Can also return `null` if an expression has no parens (e.g. a NewExpression with no arguments, or an ArrowFunctionExpression + * with a single parameter) + */ + function getParenTokens(node) { + switch (node.type) { + case "NewExpression": + if ( + !node.arguments.length && + !( + astUtils.isOpeningParenToken( + sourceCode.getLastToken(node, { skip: 1 }), + ) && + astUtils.isClosingParenToken( + sourceCode.getLastToken(node), + ) && + node.callee.range[1] < node.range[1] + ) + ) { + // If the NewExpression does not have parens (e.g. `new Foo`), return null. + return null; + } + + // falls through + + case "CallExpression": + return { + leftParen: sourceCode.getTokenAfter( + node.callee, + astUtils.isOpeningParenToken, + ), + rightParen: sourceCode.getLastToken(node), + }; + + case "FunctionDeclaration": + case "FunctionExpression": { + const leftParen = sourceCode.getFirstToken( + node, + astUtils.isOpeningParenToken, + ); + const rightParen = node.params.length + ? sourceCode.getTokenAfter( + node.params.at(-1), + astUtils.isClosingParenToken, + ) + : sourceCode.getTokenAfter(leftParen); + + return { leftParen, rightParen }; + } + + case "ArrowFunctionExpression": { + const firstToken = sourceCode.getFirstToken(node, { + skip: node.async ? 1 : 0, + }); + + if (!astUtils.isOpeningParenToken(firstToken)) { + // If the ArrowFunctionExpression has a single param without parens, return null. + return null; + } + + const rightParen = node.params.length + ? sourceCode.getTokenAfter( + node.params.at(-1), + astUtils.isClosingParenToken, + ) + : sourceCode.getTokenAfter(firstToken); + + return { + leftParen: firstToken, + rightParen, + }; + } + + case "ImportExpression": { + const leftParen = sourceCode.getFirstToken(node, 1); + const rightParen = sourceCode.getLastToken(node); + + return { leftParen, rightParen }; + } + + default: + throw new TypeError( + `unexpected node with type ${node.type}`, + ); + } + } + + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + + return { + [[ + "ArrowFunctionExpression", + "CallExpression", + "FunctionDeclaration", + "FunctionExpression", + "ImportExpression", + "NewExpression", + ]](node) { + const parens = getParenTokens(node); + let params; + + if (node.type === "ImportExpression") { + params = [node.source]; + } else if (astUtils.isFunction(node)) { + params = node.params; + } else { + params = node.arguments; + } + + if (parens) { + validateParens(parens, params); + + if (multilineArgumentsOption) { + validateArguments(parens, params); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/generator-star-spacing.js b/module/node_modules/eslint/lib/rules/generator-star-spacing.js new file mode 100644 index 000000000..1c980baf2 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/generator-star-spacing.js @@ -0,0 +1,246 @@ +/** + * @fileoverview Rule to check the spacing around the * in generator functions. + * @author Jamund Ferguson + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const OVERRIDE_SCHEMA = { + oneOf: [ + { + enum: ["before", "after", "both", "neither"], + }, + { + type: "object", + properties: { + before: { type: "boolean" }, + after: { type: "boolean" }, + }, + additionalProperties: false, + }, + ], +}; + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "generator-star-spacing", + url: "https://eslint.style/rules/generator-star-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce consistent spacing around `*` operators in generator functions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/generator-star-spacing", + }, + + fixable: "whitespace", + + schema: [ + { + oneOf: [ + { + enum: ["before", "after", "both", "neither"], + }, + { + type: "object", + properties: { + before: { type: "boolean" }, + after: { type: "boolean" }, + named: OVERRIDE_SCHEMA, + anonymous: OVERRIDE_SCHEMA, + method: OVERRIDE_SCHEMA, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + missingBefore: "Missing space before *.", + missingAfter: "Missing space after *.", + unexpectedBefore: "Unexpected space before *.", + unexpectedAfter: "Unexpected space after *.", + }, + }, + + create(context) { + const optionDefinitions = { + before: { before: true, after: false }, + after: { before: false, after: true }, + both: { before: true, after: true }, + neither: { before: false, after: false }, + }; + + /** + * Returns resolved option definitions based on an option and defaults + * @param {any} option The option object or string value + * @param {Object} defaults The defaults to use if options are not present + * @returns {Object} the resolved object definition + */ + function optionToDefinition(option, defaults) { + if (!option) { + return defaults; + } + + return typeof option === "string" + ? optionDefinitions[option] + : Object.assign({}, defaults, option); + } + + const modes = (function (option) { + const defaults = optionToDefinition( + option, + optionDefinitions.before, + ); + + return { + named: optionToDefinition(option.named, defaults), + anonymous: optionToDefinition(option.anonymous, defaults), + method: optionToDefinition(option.method, defaults), + }; + })(context.options[0] || {}); + + const sourceCode = context.sourceCode; + + /** + * Checks if the given token is a star token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a star token. + */ + function isStarToken(token) { + return token.value === "*" && token.type === "Punctuator"; + } + + /** + * Gets the generator star token of the given function node. + * @param {ASTNode} node The function node to get. + * @returns {Token} Found star token. + */ + function getStarToken(node) { + return sourceCode.getFirstToken( + node.parent.method || node.parent.type === "MethodDefinition" + ? node.parent + : node, + isStarToken, + ); + } + + /** + * capitalize a given string. + * @param {string} str the given string. + * @returns {string} the capitalized string. + */ + function capitalize(str) { + return str[0].toUpperCase() + str.slice(1); + } + + /** + * Checks the spacing between two tokens before or after the star token. + * @param {string} kind Either "named", "anonymous", or "method" + * @param {string} side Either "before" or "after". + * @param {Token} leftToken `function` keyword token if side is "before", or + * star token if side is "after". + * @param {Token} rightToken Star token if side is "before", or identifier + * token if side is "after". + * @returns {void} + */ + function checkSpacing(kind, side, leftToken, rightToken) { + if ( + !!(rightToken.range[0] - leftToken.range[1]) !== + modes[kind][side] + ) { + const after = leftToken.value === "*"; + const spaceRequired = modes[kind][side]; + const node = after ? leftToken : rightToken; + const messageId = `${spaceRequired ? "missing" : "unexpected"}${capitalize(side)}`; + + context.report({ + node, + messageId, + fix(fixer) { + if (spaceRequired) { + if (after) { + return fixer.insertTextAfter(node, " "); + } + return fixer.insertTextBefore(node, " "); + } + return fixer.removeRange([ + leftToken.range[1], + rightToken.range[0], + ]); + }, + }); + } + } + + /** + * Enforces the spacing around the star if node is a generator function. + * @param {ASTNode} node A function expression or declaration node. + * @returns {void} + */ + function checkFunction(node) { + if (!node.generator) { + return; + } + + const starToken = getStarToken(node); + const prevToken = sourceCode.getTokenBefore(starToken); + const nextToken = sourceCode.getTokenAfter(starToken); + + let kind = "named"; + + if ( + node.parent.type === "MethodDefinition" || + (node.parent.type === "Property" && node.parent.method) + ) { + kind = "method"; + } else if (!node.id) { + kind = "anonymous"; + } + + // Only check before when preceded by `function`|`static` keyword + if ( + !( + kind === "method" && + starToken === sourceCode.getFirstToken(node.parent) + ) + ) { + checkSpacing(kind, "before", prevToken, starToken); + } + + checkSpacing(kind, "after", starToken, nextToken); + } + + return { + FunctionDeclaration: checkFunction, + FunctionExpression: checkFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/getter-return.js b/module/node_modules/eslint/lib/rules/getter-return.js new file mode 100644 index 000000000..9915597d7 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/getter-return.js @@ -0,0 +1,242 @@ +/** + * @fileoverview Enforces that a return statement is present in property getters. + * @author Aladdin-ADD(hh_2013@foxmail.com) + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const TARGET_NODE_TYPE = /^(?:Arrow)?FunctionExpression$/u; + +/** + * Checks all segments in a set and returns true if any are reachable. + * @param {Set} segments The segments to check. + * @returns {boolean} True if any segment is reachable; false otherwise. + */ +function isAnySegmentReachable(segments) { + for (const segment of segments) { + if (segment.reachable) { + return true; + } + } + + return false; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + allowImplicit: false, + }, + ], + + docs: { + description: "Enforce `return` statements in getters", + recommended: true, + url: "https://eslint.org/docs/latest/rules/getter-return", + }, + + fixable: null, + + schema: [ + { + type: "object", + properties: { + allowImplicit: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + expected: "Expected to return a value in {{name}}.", + expectedAlways: "Expected {{name}} to always return a value.", + }, + }, + + create(context) { + const [{ allowImplicit }] = context.options; + const sourceCode = context.sourceCode; + + let funcInfo = { + upper: null, + codePath: null, + hasReturn: false, + shouldCheck: false, + node: null, + currentSegments: [], + }; + + /** + * Checks whether or not the last code path segment is reachable. + * Then reports this function if the segment is reachable. + * + * If the last code path segment is reachable, there are paths which are not + * returned or thrown. + * @param {ASTNode} node A node to check. + * @returns {void} + */ + function checkLastSegment(node) { + if ( + funcInfo.shouldCheck && + isAnySegmentReachable(funcInfo.currentSegments) + ) { + context.report({ + node, + loc: astUtils.getFunctionHeadLoc(node, sourceCode), + messageId: funcInfo.hasReturn + ? "expectedAlways" + : "expected", + data: { + name: astUtils.getFunctionNameWithKind(funcInfo.node), + }, + }); + } + } + + /** + * Checks whether a node means a getter function. + * @param {ASTNode} node a node to check. + * @returns {boolean} if node means a getter, return true; else return false. + */ + function isGetter(node) { + const parent = node.parent; + + if ( + TARGET_NODE_TYPE.test(node.type) && + node.body.type === "BlockStatement" + ) { + if (parent.kind === "get") { + return true; + } + if ( + parent.type === "Property" && + astUtils.getStaticPropertyName(parent) === "get" && + parent.parent.type === "ObjectExpression" + ) { + // Object.defineProperty() or Reflect.defineProperty() + if (parent.parent.parent.type === "CallExpression") { + const callNode = parent.parent.parent.callee; + + if ( + astUtils.isSpecificMemberAccess( + callNode, + "Object", + "defineProperty", + ) || + astUtils.isSpecificMemberAccess( + callNode, + "Reflect", + "defineProperty", + ) + ) { + return true; + } + } + + // Object.defineProperties() or Object.create() + if ( + parent.parent.parent.type === "Property" && + parent.parent.parent.parent.type === + "ObjectExpression" && + parent.parent.parent.parent.parent.type === + "CallExpression" + ) { + const callNode = + parent.parent.parent.parent.parent.callee; + + return ( + astUtils.isSpecificMemberAccess( + callNode, + "Object", + "defineProperties", + ) || + astUtils.isSpecificMemberAccess( + callNode, + "Object", + "create", + ) + ); + } + } + } + return false; + } + return { + // Stacks this function's information. + onCodePathStart(codePath, node) { + funcInfo = { + upper: funcInfo, + codePath, + hasReturn: false, + shouldCheck: isGetter(node), + node, + currentSegments: new Set(), + }; + }, + + // Pops this function's information. + onCodePathEnd() { + funcInfo = funcInfo.upper; + }, + onUnreachableCodePathSegmentStart(segment) { + funcInfo.currentSegments.add(segment); + }, + + onUnreachableCodePathSegmentEnd(segment) { + funcInfo.currentSegments.delete(segment); + }, + + onCodePathSegmentStart(segment) { + funcInfo.currentSegments.add(segment); + }, + + onCodePathSegmentEnd(segment) { + funcInfo.currentSegments.delete(segment); + }, + + // Checks the return statement is valid. + ReturnStatement(node) { + if (funcInfo.shouldCheck) { + funcInfo.hasReturn = true; + + // if allowImplicit: false, should also check node.argument + if (!allowImplicit && !node.argument) { + context.report({ + node, + messageId: "expected", + data: { + name: astUtils.getFunctionNameWithKind( + funcInfo.node, + ), + }, + }); + } + } + }, + + // Reports a given function if the last path is reachable. + "FunctionExpression:exit": checkLastSegment, + "ArrowFunctionExpression:exit": checkLastSegment, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/global-require.js b/module/node_modules/eslint/lib/rules/global-require.js new file mode 100644 index 000000000..44b31814b --- /dev/null +++ b/module/node_modules/eslint/lib/rules/global-require.js @@ -0,0 +1,117 @@ +/** + * @fileoverview Rule for disallowing require() outside of the top-level module context + * @author Jamund Ferguson + * @deprecated in ESLint v7.0.0 + */ + +"use strict"; + +const ACCEPTABLE_PARENTS = new Set([ + "AssignmentExpression", + "VariableDeclarator", + "MemberExpression", + "ExpressionStatement", + "CallExpression", + "ConditionalExpression", + "Program", + "VariableDeclaration", + "ChainExpression", +]); + +/** + * Finds the eslint-scope reference in the given scope. + * @param {Object} scope The scope to search. + * @param {ASTNode} node The identifier node. + * @returns {Reference|null} Returns the found reference or null if none were found. + */ +function findReference(scope, node) { + const references = scope.references.filter( + reference => + reference.identifier.range[0] === node.range[0] && + reference.identifier.range[1] === node.range[1], + ); + + if (references.length === 1) { + return references[0]; + } + + /* c8 ignore next */ + return null; +} + +/** + * Checks if the given identifier node is shadowed in the given scope. + * @param {Object} scope The current scope. + * @param {ASTNode} node The identifier node to check. + * @returns {boolean} Whether or not the name is shadowed. + */ +function isShadowed(scope, node) { + const reference = findReference(scope, node); + + return ( + reference && reference.resolved && reference.resolved.defs.length > 0 + ); +} + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Node.js rules were moved out of ESLint core.", + url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules", + deprecatedSince: "7.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "eslint-plugin-n now maintains deprecated Node.js-related rules.", + plugin: { + name: "eslint-plugin-n", + url: "https://github.com/eslint-community/eslint-plugin-n", + }, + rule: { + name: "global-require", + url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/global-require.md", + }, + }, + ], + }, + + type: "suggestion", + + docs: { + description: + "Require `require()` calls to be placed at top-level module scope", + recommended: false, + url: "https://eslint.org/docs/latest/rules/global-require", + }, + + schema: [], + messages: { + unexpected: "Unexpected require().", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + CallExpression(node) { + const currentScope = sourceCode.getScope(node); + + if ( + node.callee.name === "require" && + !isShadowed(currentScope, node.callee) + ) { + const isGoodRequire = sourceCode + .getAncestors(node) + .every(parent => ACCEPTABLE_PARENTS.has(parent.type)); + + if (!isGoodRequire) { + context.report({ node, messageId: "unexpected" }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/grouped-accessor-pairs.js b/module/node_modules/eslint/lib/rules/grouped-accessor-pairs.js new file mode 100644 index 000000000..c4ac86dc4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/grouped-accessor-pairs.js @@ -0,0 +1,268 @@ +/** + * @fileoverview Rule to require grouped accessor pairs in object literals and classes + * @author Milos Djermanovic + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** + * Property name if it can be computed statically, otherwise the list of the tokens of the key node. + * @typedef {string|Token[]} Key + */ + +/** + * Accessor nodes with the same key. + * @typedef {Object} AccessorData + * @property {Key} key Accessor's key + * @property {ASTNode[]} getters List of getter nodes. + * @property {ASTNode[]} setters List of setter nodes. + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not the given lists represent the equal tokens in the same order. + * Tokens are compared by their properties, not by instance. + * @param {Token[]} left First list of tokens. + * @param {Token[]} right Second list of tokens. + * @returns {boolean} `true` if the lists have same tokens. + */ +function areEqualTokenLists(left, right) { + if (left.length !== right.length) { + return false; + } + + for (let i = 0; i < left.length; i++) { + const leftToken = left[i], + rightToken = right[i]; + + if ( + leftToken.type !== rightToken.type || + leftToken.value !== rightToken.value + ) { + return false; + } + } + + return true; +} + +/** + * Checks whether or not the given keys are equal. + * @param {Key} left First key. + * @param {Key} right Second key. + * @returns {boolean} `true` if the keys are equal. + */ +function areEqualKeys(left, right) { + if (typeof left === "string" && typeof right === "string") { + // Statically computed names. + return left === right; + } + if (Array.isArray(left) && Array.isArray(right)) { + // Token lists. + return areEqualTokenLists(left, right); + } + + return false; +} + +/** + * Checks whether or not a given node is of an accessor kind ('get' or 'set'). + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is of an accessor kind. + */ +function isAccessorKind(node) { + return node.kind === "get" || node.kind === "set"; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + "anyOrder", + { + enforceForTSTypes: false, + }, + ], + + docs: { + description: + "Require grouped accessor pairs in object literals and classes", + recommended: false, + url: "https://eslint.org/docs/latest/rules/grouped-accessor-pairs", + }, + + schema: [ + { enum: ["anyOrder", "getBeforeSet", "setBeforeGet"] }, + { + type: "object", + properties: { + enforceForTSTypes: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + notGrouped: + "Accessor pair {{ formerName }} and {{ latterName }} should be grouped.", + invalidOrder: + "Expected {{ latterName }} to be before {{ formerName }}.", + }, + }, + + create(context) { + const [order, { enforceForTSTypes }] = context.options; + const { sourceCode } = context; + + /** + * Reports the given accessor pair. + * @param {string} messageId messageId to report. + * @param {ASTNode} formerNode getter/setter node that is defined before `latterNode`. + * @param {ASTNode} latterNode getter/setter node that is defined after `formerNode`. + * @returns {void} + * @private + */ + function report(messageId, formerNode, latterNode) { + context.report({ + node: latterNode, + messageId, + loc: astUtils.getFunctionHeadLoc( + latterNode.type !== "TSMethodSignature" + ? latterNode.value + : latterNode, + sourceCode, + ), + data: { + formerName: astUtils.getFunctionNameWithKind( + formerNode.type !== "TSMethodSignature" + ? formerNode.value + : formerNode, + ), + latterName: astUtils.getFunctionNameWithKind( + latterNode.type !== "TSMethodSignature" + ? latterNode.value + : latterNode, + ), + }, + }); + } + + /** + * Checks accessor pairs in the given list of nodes. + * @param {ASTNode[]} nodes The list to check. + * @param {Function} shouldCheck – Predicate that returns `true` if the node should be checked. + * @returns {void} + * @private + */ + function checkList(nodes, shouldCheck) { + const accessors = []; + let found = false; + + for (let i = 0; i < nodes.length; i++) { + const node = nodes[i]; + + if (shouldCheck(node) && isAccessorKind(node)) { + // Creates a new `AccessorData` object for the given getter or setter node. + const name = astUtils.getStaticPropertyName(node); + const key = + name !== null ? name : sourceCode.getTokens(node.key); + + // Merges the given `AccessorData` object into the given accessors list. + for (let j = 0; j < accessors.length; j++) { + const accessor = accessors[j]; + + if (areEqualKeys(accessor.key, key)) { + accessor.getters.push( + ...(node.kind === "get" ? [node] : []), + ); + accessor.setters.push( + ...(node.kind === "set" ? [node] : []), + ); + found = true; + break; + } + } + if (!found) { + accessors.push({ + key, + getters: node.kind === "get" ? [node] : [], + setters: node.kind === "set" ? [node] : [], + }); + } + found = false; + } + } + + for (const { getters, setters } of accessors) { + // Don't report accessor properties that have duplicate getters or setters. + if (getters.length === 1 && setters.length === 1) { + const [getter] = getters, + [setter] = setters, + getterIndex = nodes.indexOf(getter), + setterIndex = nodes.indexOf(setter), + formerNode = + getterIndex < setterIndex ? getter : setter, + latterNode = + getterIndex < setterIndex ? setter : getter; + + if (Math.abs(getterIndex - setterIndex) > 1) { + report("notGrouped", formerNode, latterNode); + } else if ( + (order === "getBeforeSet" && + getterIndex > setterIndex) || + (order === "setBeforeGet" && getterIndex < setterIndex) + ) { + report("invalidOrder", formerNode, latterNode); + } + } + } + } + + return { + ObjectExpression(node) { + checkList(node.properties, n => n.type === "Property"); + }, + ClassBody(node) { + checkList( + node.body, + n => n.type === "MethodDefinition" && !n.static, + ); + checkList( + node.body, + n => n.type === "MethodDefinition" && n.static, + ); + }, + "TSTypeLiteral, TSInterfaceBody"(node) { + if (enforceForTSTypes) { + checkList( + node.type === "TSTypeLiteral" + ? node.members + : node.body, + n => n.type === "TSMethodSignature", + ); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/guard-for-in.js b/module/node_modules/eslint/lib/rules/guard-for-in.js new file mode 100644 index 000000000..f648aa401 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/guard-for-in.js @@ -0,0 +1,85 @@ +/** + * @fileoverview Rule to flag for-in loops without if statements inside + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Require `for-in` loops to include an `if` statement", + recommended: false, + url: "https://eslint.org/docs/latest/rules/guard-for-in", + }, + + schema: [], + messages: { + wrap: "The body of a for-in should be wrapped in an if statement to filter unwanted properties from the prototype.", + }, + }, + + create(context) { + return { + ForInStatement(node) { + const body = node.body; + + // empty statement + if (body.type === "EmptyStatement") { + return; + } + + // if statement + if (body.type === "IfStatement") { + return; + } + + // empty block + if (body.type === "BlockStatement" && body.body.length === 0) { + return; + } + + // block with just if statement + if ( + body.type === "BlockStatement" && + body.body.length === 1 && + body.body[0].type === "IfStatement" + ) { + return; + } + + // block that starts with if statement + if ( + body.type === "BlockStatement" && + body.body.length >= 1 && + body.body[0].type === "IfStatement" + ) { + const i = body.body[0]; + + // ... whose consequent is a continue + if (i.consequent.type === "ContinueStatement") { + return; + } + + // ... whose consequent is a block that contains only a continue + if ( + i.consequent.type === "BlockStatement" && + i.consequent.body.length === 1 && + i.consequent.body[0].type === "ContinueStatement" + ) { + return; + } + } + + context.report({ node, messageId: "wrap" }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/handle-callback-err.js b/module/node_modules/eslint/lib/rules/handle-callback-err.js new file mode 100644 index 000000000..d9b0641a8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/handle-callback-err.js @@ -0,0 +1,122 @@ +/** + * @fileoverview Ensure handling of errors when we know they exist. + * @author Jamund Ferguson + * @deprecated in ESLint v7.0.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Node.js rules were moved out of ESLint core.", + url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules", + deprecatedSince: "7.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "eslint-plugin-n now maintains deprecated Node.js-related rules.", + plugin: { + name: "eslint-plugin-n", + url: "https://github.com/eslint-community/eslint-plugin-n", + }, + rule: { + name: "handle-callback-err", + url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/handle-callback-err.md", + }, + }, + ], + }, + + type: "suggestion", + + docs: { + description: "Require error handling in callbacks", + recommended: false, + url: "https://eslint.org/docs/latest/rules/handle-callback-err", + }, + + schema: [ + { + type: "string", + }, + ], + messages: { + expected: "Expected error to be handled.", + }, + }, + + create(context) { + const errorArgument = context.options[0] || "err"; + const sourceCode = context.sourceCode; + + /** + * Checks if the given argument should be interpreted as a regexp pattern. + * @param {string} stringToCheck The string which should be checked. + * @returns {boolean} Whether or not the string should be interpreted as a pattern. + */ + function isPattern(stringToCheck) { + const firstChar = stringToCheck[0]; + + return firstChar === "^"; + } + + /** + * Checks if the given name matches the configured error argument. + * @param {string} name The name which should be compared. + * @returns {boolean} Whether or not the given name matches the configured error variable name. + */ + function matchesConfiguredErrorName(name) { + if (isPattern(errorArgument)) { + const regexp = new RegExp(errorArgument, "u"); + + return regexp.test(name); + } + return name === errorArgument; + } + + /** + * Get the parameters of a given function scope. + * @param {Object} scope The function scope. + * @returns {Array} All parameters of the given scope. + */ + function getParameters(scope) { + return scope.variables.filter( + variable => + variable.defs[0] && variable.defs[0].type === "Parameter", + ); + } + + /** + * Check to see if we're handling the error object properly. + * @param {ASTNode} node The AST node to check. + * @returns {void} + */ + function checkForError(node) { + const scope = sourceCode.getScope(node), + parameters = getParameters(scope), + firstParameter = parameters[0]; + + if ( + firstParameter && + matchesConfiguredErrorName(firstParameter.name) + ) { + if (firstParameter.references.length === 0) { + context.report({ node, messageId: "expected" }); + } + } + } + + return { + FunctionDeclaration: checkForError, + FunctionExpression: checkForError, + ArrowFunctionExpression: checkForError, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/id-blacklist.js b/module/node_modules/eslint/lib/rules/id-blacklist.js new file mode 100644 index 000000000..6a84827cf --- /dev/null +++ b/module/node_modules/eslint/lib/rules/id-blacklist.js @@ -0,0 +1,241 @@ +/** + * @fileoverview Rule that warns when identifier names that are + * specified in the configuration are used. + * @author Keith Cirkel (http://keithcirkel.co.uk) + * @deprecated in ESLint v7.5.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether the given node represents assignment target in a normal assignment or destructuring. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is assignment target. + */ +function isAssignmentTarget(node) { + const parent = node.parent; + + return ( + // normal assignment + (parent.type === "AssignmentExpression" && parent.left === node) || + // destructuring + parent.type === "ArrayPattern" || + parent.type === "RestElement" || + (parent.type === "Property" && + parent.value === node && + parent.parent.type === "ObjectPattern") || + (parent.type === "AssignmentPattern" && parent.left === node) + ); +} + +/** + * Checks whether the given node represents an imported name that is renamed in the same import/export specifier. + * + * Examples: + * import { a as b } from 'mod'; // node `a` is renamed import + * export { a as b } from 'mod'; // node `a` is renamed import + * @param {ASTNode} node `Identifier` node to check. + * @returns {boolean} `true` if the node is a renamed import. + */ +function isRenamedImport(node) { + const parent = node.parent; + + return ( + (parent.type === "ImportSpecifier" && + parent.imported !== parent.local && + parent.imported === node) || + (parent.type === "ExportSpecifier" && + parent.parent.source && // re-export + parent.local !== parent.exported && + parent.local === node) + ); +} + +/** + * Checks whether the given node is a renamed identifier node in an ObjectPattern destructuring. + * + * Examples: + * const { a : b } = foo; // node `a` is renamed node. + * @param {ASTNode} node `Identifier` node to check. + * @returns {boolean} `true` if the node is a renamed node in an ObjectPattern destructuring. + */ +function isRenamedInDestructuring(node) { + const parent = node.parent; + + return ( + !parent.computed && + parent.type === "Property" && + parent.parent.type === "ObjectPattern" && + parent.value !== node && + parent.key === node + ); +} + +/** + * Checks whether the given node represents shorthand definition of a property in an object literal. + * @param {ASTNode} node `Identifier` node to check. + * @returns {boolean} `true` if the node is a shorthand property definition. + */ +function isShorthandPropertyDefinition(node) { + const parent = node.parent; + + return ( + parent.type === "Property" && + parent.parent.type === "ObjectExpression" && + parent.shorthand + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "The rule was renamed.", + url: "https://eslint.org/blog/2020/07/eslint-v7.5.0-released/#deprecating-id-blacklist", + deprecatedSince: "7.5.0", + availableUntil: "11.0.0", + replacedBy: [ + { + rule: { + name: "id-denylist", + url: "https://eslint.org/docs/rules/id-denylist", + }, + }, + ], + }, + + type: "suggestion", + + docs: { + description: "Disallow specified identifiers", + recommended: false, + url: "https://eslint.org/docs/latest/rules/id-blacklist", + }, + + schema: { + type: "array", + items: { + type: "string", + }, + uniqueItems: true, + }, + messages: { + restricted: "Identifier '{{name}}' is restricted.", + }, + }, + + create(context) { + const denyList = new Set(context.options); + const reportedNodes = new Set(); + const sourceCode = context.sourceCode; + + let globalScope; + + /** + * Checks whether the given name is restricted. + * @param {string} name The name to check. + * @returns {boolean} `true` if the name is restricted. + * @private + */ + function isRestricted(name) { + return denyList.has(name); + } + + /** + * Checks whether the given node represents a reference to a global variable that is not declared in the source code. + * These identifiers will be allowed, as it is assumed that user has no control over the names of external global variables. + * @param {ASTNode} node `Identifier` node to check. + * @returns {boolean} `true` if the node is a reference to a global variable. + */ + function isReferenceToGlobalVariable(node) { + const variable = globalScope.set.get(node.name); + + return ( + variable && + variable.defs.length === 0 && + variable.references.some(ref => ref.identifier === node) + ); + } + + /** + * Determines whether the given node should be checked. + * @param {ASTNode} node `Identifier` node. + * @returns {boolean} `true` if the node should be checked. + */ + function shouldCheck(node) { + const parent = node.parent; + + /* + * Member access has special rules for checking property names. + * Read access to a property with a restricted name is allowed, because it can be on an object that user has no control over. + * Write access isn't allowed, because it potentially creates a new property with a restricted name. + */ + if ( + parent.type === "MemberExpression" && + parent.property === node && + !parent.computed + ) { + return isAssignmentTarget(parent); + } + + return ( + parent.type !== "CallExpression" && + parent.type !== "NewExpression" && + !isRenamedImport(node) && + !isRenamedInDestructuring(node) && + !( + isReferenceToGlobalVariable(node) && + !isShorthandPropertyDefinition(node) + ) + ); + } + + /** + * Reports an AST node as a rule violation. + * @param {ASTNode} node The node to report. + * @returns {void} + * @private + */ + function report(node) { + /* + * We used the range instead of the node because it's possible + * for the same identifier to be represented by two different + * nodes, with the most clear example being shorthand properties: + * { foo } + * In this case, "foo" is represented by one node for the name + * and one for the value. The only way to know they are the same + * is to look at the range. + */ + if (!reportedNodes.has(node.range.toString())) { + context.report({ + node, + messageId: "restricted", + data: { + name: node.name, + }, + }); + reportedNodes.add(node.range.toString()); + } + } + + return { + Program(node) { + globalScope = sourceCode.getScope(node); + }, + + Identifier(node) { + if (isRestricted(node.name) && shouldCheck(node)) { + report(node); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/id-denylist.js b/module/node_modules/eslint/lib/rules/id-denylist.js new file mode 100644 index 000000000..5b9a7f4a4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/id-denylist.js @@ -0,0 +1,223 @@ +/** + * @fileoverview Rule that warns when identifier names that are + * specified in the configuration are used. + * @author Keith Cirkel (http://keithcirkel.co.uk) + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether the given node represents assignment target in a normal assignment or destructuring. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is assignment target. + */ +function isAssignmentTarget(node) { + const parent = node.parent; + + return ( + // normal assignment + (parent.type === "AssignmentExpression" && parent.left === node) || + // destructuring + parent.type === "ArrayPattern" || + parent.type === "RestElement" || + (parent.type === "Property" && + parent.value === node && + parent.parent.type === "ObjectPattern") || + (parent.type === "AssignmentPattern" && parent.left === node) + ); +} + +/** + * Checks whether the given node represents an imported name that is renamed in the same import/export specifier. + * + * Examples: + * import { a as b } from 'mod'; // node `a` is renamed import + * export { a as b } from 'mod'; // node `a` is renamed import + * @param {ASTNode} node `Identifier` node to check. + * @returns {boolean} `true` if the node is a renamed import. + */ +function isRenamedImport(node) { + const parent = node.parent; + + return ( + (parent.type === "ImportSpecifier" && + parent.imported !== parent.local && + parent.imported === node) || + (parent.type === "ExportSpecifier" && + parent.parent.source && // re-export + parent.local !== parent.exported && + parent.local === node) + ); +} + +/** + * Checks whether the given node is an ObjectPattern destructuring. + * + * Examples: + * const { a : b } = foo; + * @param {ASTNode} node `Identifier` node to check. + * @returns {boolean} `true` if the node is in an ObjectPattern destructuring. + */ +function isPropertyNameInDestructuring(node) { + const parent = node.parent; + + return ( + !parent.computed && + parent.type === "Property" && + parent.parent.type === "ObjectPattern" && + parent.key === node + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [], + + docs: { + description: "Disallow specified identifiers", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/id-denylist", + }, + + schema: { + type: "array", + items: { + type: "string", + }, + uniqueItems: true, + }, + messages: { + restricted: "Identifier '{{name}}' is restricted.", + restrictedPrivate: "Identifier '#{{name}}' is restricted.", + }, + }, + + create(context) { + const denyList = new Set(context.options); + const reportedNodes = new Set(); + const sourceCode = context.sourceCode; + + let globalScope; + + /** + * Checks whether the given name is restricted. + * @param {string} name The name to check. + * @returns {boolean} `true` if the name is restricted. + * @private + */ + function isRestricted(name) { + return denyList.has(name); + } + + /** + * Checks whether the given node represents a reference to a global variable that is not declared in the source code. + * These identifiers will be allowed, as it is assumed that user has no control over the names of external global variables. + * @param {ASTNode} node `Identifier` node to check. + * @returns {boolean} `true` if the node is a reference to a global variable. + */ + function isReferenceToGlobalVariable(node) { + const variable = globalScope.set.get(node.name); + + return ( + variable && + variable.defs.length === 0 && + variable.references.some(ref => ref.identifier === node) + ); + } + + /** + * Determines whether the given node should be checked. + * @param {ASTNode} node `Identifier` node. + * @returns {boolean} `true` if the node should be checked. + */ + function shouldCheck(node) { + // Import attributes are defined by environments, so naming conventions shouldn't apply to them + if (astUtils.isImportAttributeKey(node)) { + return false; + } + + const parent = node.parent; + + /* + * Member access has special rules for checking property names. + * Read access to a property with a restricted name is allowed, because it can be on an object that user has no control over. + * Write access isn't allowed, because it potentially creates a new property with a restricted name. + */ + if ( + parent.type === "MemberExpression" && + parent.property === node && + !parent.computed + ) { + return isAssignmentTarget(parent); + } + + return ( + parent.type !== "CallExpression" && + parent.type !== "NewExpression" && + !isRenamedImport(node) && + !isPropertyNameInDestructuring(node) && + !isReferenceToGlobalVariable(node) + ); + } + + /** + * Reports an AST node as a rule violation. + * @param {ASTNode} node The node to report. + * @returns {void} + * @private + */ + function report(node) { + /* + * We used the range instead of the node because it's possible + * for the same identifier to be represented by two different + * nodes, with the most clear example being shorthand properties: + * { foo } + * In this case, "foo" is represented by one node for the name + * and one for the value. The only way to know they are the same + * is to look at the range. + */ + if (!reportedNodes.has(node.range.toString())) { + const isPrivate = node.type === "PrivateIdentifier"; + + context.report({ + node, + messageId: isPrivate ? "restrictedPrivate" : "restricted", + data: { + name: node.name, + }, + }); + reportedNodes.add(node.range.toString()); + } + } + + return { + Program(node) { + globalScope = sourceCode.getScope(node); + }, + + [["Identifier", "PrivateIdentifier"]](node) { + if (isRestricted(node.name) && shouldCheck(node)) { + report(node); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/id-length.js b/module/node_modules/eslint/lib/rules/id-length.js new file mode 100644 index 000000000..133b84194 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/id-length.js @@ -0,0 +1,217 @@ +/** + * @fileoverview Rule that warns when identifier names are shorter or longer + * than the values provided in configuration. + * @author Burak Yigit Kaya aka BYK + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { getGraphemeCount } = require("../shared/string-utils"); +const { + getModuleExportName, + isImportAttributeKey, +} = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + exceptionPatterns: [], + exceptions: [], + min: 2, + properties: "always", + }, + ], + + docs: { + description: "Enforce minimum and maximum identifier lengths", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/id-length", + }, + + schema: [ + { + type: "object", + properties: { + min: { + type: "integer", + }, + max: { + type: "integer", + }, + exceptions: { + type: "array", + uniqueItems: true, + items: { + type: "string", + }, + }, + exceptionPatterns: { + type: "array", + uniqueItems: true, + items: { + type: "string", + }, + }, + properties: { + enum: ["always", "never"], + }, + }, + additionalProperties: false, + }, + ], + messages: { + tooShort: "Identifier name '{{name}}' is too short (< {{min}}).", + tooShortPrivate: + "Identifier name '#{{name}}' is too short (< {{min}}).", + tooLong: "Identifier name '{{name}}' is too long (> {{max}}).", + tooLongPrivate: + "Identifier name #'{{name}}' is too long (> {{max}}).", + }, + }, + + create(context) { + const [options] = context.options; + const { max: maxLength = Infinity, min: minLength } = options; + const properties = options.properties !== "never"; + const exceptions = new Set(options.exceptions); + const exceptionPatterns = options.exceptionPatterns.map( + pattern => new RegExp(pattern, "u"), + ); + const reportedNodes = new Set(); + + /** + * Checks if a string matches the provided exception patterns + * @param {string} name The string to check. + * @returns {boolean} if the string is a match + * @private + */ + function matchesExceptionPattern(name) { + return exceptionPatterns.some(pattern => pattern.test(name)); + } + + const SUPPORTED_EXPRESSIONS = { + MemberExpression: + properties && + function (parent) { + return ( + !parent.computed && + // regular property assignment + ((parent.parent.left === parent && + parent.parent.type === "AssignmentExpression") || + // or the last identifier in an ObjectPattern destructuring + (parent.parent.type === "Property" && + parent.parent.value === parent && + parent.parent.parent.type === "ObjectPattern" && + parent.parent.parent.parent.left === + parent.parent.parent)) + ); + }, + AssignmentPattern(parent, node) { + return parent.left === node; + }, + VariableDeclarator(parent, node) { + return parent.id === node; + }, + Property(parent, node) { + if (parent.parent.type === "ObjectPattern") { + const isKeyAndValueSame = + parent.value.name === parent.key.name; + + return ( + (!isKeyAndValueSame && parent.value === node) || + (isKeyAndValueSame && parent.key === node && properties) + ); + } + return ( + properties && + !isImportAttributeKey(node) && + !parent.computed && + parent.key.name === node.name + ); + }, + ImportSpecifier(parent, node) { + return ( + parent.local === node && + getModuleExportName(parent.imported) !== + getModuleExportName(parent.local) + ); + }, + ImportDefaultSpecifier: true, + ImportNamespaceSpecifier: true, + RestElement: true, + FunctionExpression: true, + ArrowFunctionExpression: true, + ClassDeclaration: true, + FunctionDeclaration: true, + MethodDefinition: true, + PropertyDefinition: true, + CatchClause: true, + ArrayPattern: true, + }; + + return { + [["Identifier", "PrivateIdentifier"]](node) { + const name = node.name; + const parent = node.parent; + + const nameLength = getGraphemeCount(name); + + const isShort = nameLength < minLength; + const isLong = nameLength > maxLength; + + if ( + !(isShort || isLong) || + exceptions.has(name) || + matchesExceptionPattern(name) + ) { + return; // Nothing to report + } + + const isValidExpression = SUPPORTED_EXPRESSIONS[parent.type]; + + /* + * We used the range instead of the node because it's possible + * for the same identifier to be represented by two different + * nodes, with the most clear example being shorthand properties: + * { foo } + * In this case, "foo" is represented by one node for the name + * and one for the value. The only way to know they are the same + * is to look at the range. + */ + if ( + isValidExpression && + !reportedNodes.has(node.range.toString()) && + (isValidExpression === true || + isValidExpression(parent, node)) + ) { + reportedNodes.add(node.range.toString()); + + let messageId = isShort ? "tooShort" : "tooLong"; + + if (node.type === "PrivateIdentifier") { + messageId += "Private"; + } + + context.report({ + node, + messageId, + data: { name, min: minLength, max: maxLength }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/id-match.js b/module/node_modules/eslint/lib/rules/id-match.js new file mode 100644 index 000000000..2e70cc72d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/id-match.js @@ -0,0 +1,363 @@ +/** + * @fileoverview Rule to flag non-matching identifiers + * @author Matthieu Larcher + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + "^.+$", + { + classFields: false, + ignoreDestructuring: false, + onlyDeclarations: false, + properties: false, + }, + ], + + docs: { + description: + "Require identifiers to match a specified regular expression", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/id-match", + }, + + schema: [ + { + type: "string", + }, + { + type: "object", + properties: { + properties: { + type: "boolean", + }, + classFields: { + type: "boolean", + }, + onlyDeclarations: { + type: "boolean", + }, + ignoreDestructuring: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + messages: { + notMatch: + "Identifier '{{name}}' does not match the pattern '{{pattern}}'.", + notMatchPrivate: + "Identifier '#{{name}}' does not match the pattern '{{pattern}}'.", + }, + }, + + create(context) { + //-------------------------------------------------------------------------- + // Options + //-------------------------------------------------------------------------- + const [ + pattern, + { + classFields: checkClassFields, + ignoreDestructuring, + onlyDeclarations, + properties: checkProperties, + }, + ] = context.options; + const regexp = new RegExp(pattern, "u"); + + const sourceCode = context.sourceCode; + let globalScope; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + // contains reported nodes to avoid reporting twice on destructuring with shorthand notation + const reportedNodes = new Set(); + const ALLOWED_PARENT_TYPES = new Set([ + "CallExpression", + "NewExpression", + ]); + const DECLARATION_TYPES = new Set([ + "FunctionDeclaration", + "VariableDeclarator", + ]); + const IMPORT_TYPES = new Set([ + "ImportSpecifier", + "ImportNamespaceSpecifier", + "ImportDefaultSpecifier", + ]); + + /** + * Checks whether the given node represents a reference to a global variable that is not declared in the source code. + * These identifiers will be allowed, as it is assumed that user has no control over the names of external global variables. + * @param {ASTNode} node `Identifier` node to check. + * @returns {boolean} `true` if the node is a reference to a global variable. + */ + function isReferenceToGlobalVariable(node) { + const variable = globalScope.set.get(node.name); + + return ( + variable && + variable.defs.length === 0 && + variable.references.some(ref => ref.identifier === node) + ); + } + + /** + * Checks if a string matches the provided pattern + * @param {string} name The string to check. + * @returns {boolean} if the string is a match + * @private + */ + function isInvalid(name) { + return !regexp.test(name); + } + + /** + * Checks if a parent of a node is an ObjectPattern. + * @param {ASTNode} node The node to check. + * @returns {boolean} if the node is inside an ObjectPattern + * @private + */ + function isInsideObjectPattern(node) { + let { parent } = node; + + while (parent) { + if (parent.type === "ObjectPattern") { + return true; + } + + parent = parent.parent; + } + + return false; + } + + /** + * Verifies if we should report an error or not based on the effective + * parent node and the identifier name. + * @param {ASTNode} effectiveParent The effective parent node of the node to be reported + * @param {string} name The identifier name of the identifier node + * @returns {boolean} whether an error should be reported or not + */ + function shouldReport(effectiveParent, name) { + return ( + (!onlyDeclarations || + DECLARATION_TYPES.has(effectiveParent.type)) && + !ALLOWED_PARENT_TYPES.has(effectiveParent.type) && + isInvalid(name) + ); + } + + /** + * Reports an AST node as a rule violation. + * @param {ASTNode} node The node to report. + * @returns {void} + * @private + */ + function report(node) { + /* + * We used the range instead of the node because it's possible + * for the same identifier to be represented by two different + * nodes, with the most clear example being shorthand properties: + * { foo } + * In this case, "foo" is represented by one node for the name + * and one for the value. The only way to know they are the same + * is to look at the range. + */ + if (!reportedNodes.has(node.range.toString())) { + const messageId = + node.type === "PrivateIdentifier" + ? "notMatchPrivate" + : "notMatch"; + + context.report({ + node, + messageId, + data: { + name: node.name, + pattern, + }, + }); + reportedNodes.add(node.range.toString()); + } + } + + return { + Program(node) { + globalScope = sourceCode.getScope(node); + }, + + Identifier(node) { + const name = node.name, + parent = node.parent, + effectiveParent = + parent.type === "MemberExpression" + ? parent.parent + : parent; + + if ( + isReferenceToGlobalVariable(node) || + astUtils.isImportAttributeKey(node) + ) { + return; + } + + if (parent.type === "MemberExpression") { + if (!checkProperties) { + return; + } + + // Always check object names + if ( + parent.object.type === "Identifier" && + parent.object.name === name + ) { + if (isInvalid(name)) { + report(node); + } + + // Report AssignmentExpressions left side's assigned variable id + } else if ( + effectiveParent.type === "AssignmentExpression" && + effectiveParent.left.type === "MemberExpression" && + effectiveParent.left.property.name === node.name + ) { + if (isInvalid(name)) { + report(node); + } + + // Report AssignmentExpressions only if they are the left side of the assignment + } else if ( + effectiveParent.type === "AssignmentExpression" && + effectiveParent.right.type !== "MemberExpression" + ) { + if (isInvalid(name)) { + report(node); + } + } + + // For https://github.com/eslint/eslint/issues/15123 + } else if ( + parent.type === "Property" && + parent.parent.type === "ObjectExpression" && + parent.key === node && + !parent.computed + ) { + if (checkProperties && isInvalid(name)) { + report(node); + } + + /* + * Properties have their own rules, and + * AssignmentPattern nodes can be treated like Properties: + * e.g.: const { no_camelcased = false } = bar; + */ + } else if ( + parent.type === "Property" || + parent.type === "AssignmentPattern" + ) { + if ( + parent.parent && + parent.parent.type === "ObjectPattern" + ) { + if ( + !ignoreDestructuring && + parent.shorthand && + parent.value.left && + isInvalid(name) + ) { + report(node); + } + + const assignmentKeyEqualsValue = + parent.key.name === parent.value.name; + + // prevent checking righthand side of destructured object + if (!assignmentKeyEqualsValue && parent.key === node) { + return; + } + + const valueIsInvalid = + parent.value.name && isInvalid(name); + + // ignore destructuring if the option is set, unless a new identifier is created + if ( + valueIsInvalid && + !(assignmentKeyEqualsValue && ignoreDestructuring) + ) { + report(node); + } + } + + // never check properties or always ignore destructuring + if ( + (!checkProperties && !parent.computed) || + (ignoreDestructuring && isInsideObjectPattern(node)) + ) { + return; + } + + // don't check right hand side of AssignmentExpression to prevent duplicate warnings + if ( + parent.right !== node && + shouldReport(effectiveParent, name) + ) { + report(node); + } + + // Check if it's an import specifier + } else if (IMPORT_TYPES.has(parent.type)) { + // Report only if the local imported identifier is invalid + if ( + parent.local && + parent.local.name === node.name && + isInvalid(name) + ) { + report(node); + } + } else if (parent.type === "PropertyDefinition") { + if (checkClassFields && isInvalid(name)) { + report(node); + } + + // Report anything that is invalid that isn't a CallExpression + } else if (shouldReport(effectiveParent, name)) { + report(node); + } + }, + + PrivateIdentifier(node) { + const isClassField = node.parent.type === "PropertyDefinition"; + + if (isClassField && !checkClassFields) { + return; + } + + if (isInvalid(node.name)) { + report(node); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/implicit-arrow-linebreak.js b/module/node_modules/eslint/lib/rules/implicit-arrow-linebreak.js new file mode 100644 index 000000000..e32d0cafc --- /dev/null +++ b/module/node_modules/eslint/lib/rules/implicit-arrow-linebreak.js @@ -0,0 +1,125 @@ +/** + * @fileoverview enforce the location of arrow function bodies + * @author Sharmila Jesupaul + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +const { isCommentToken, isNotOpeningParenToken } = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "implicit-arrow-linebreak", + url: "https://eslint.style/rules/implicit-arrow-linebreak", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce the location of arrow function bodies", + recommended: false, + url: "https://eslint.org/docs/latest/rules/implicit-arrow-linebreak", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["beside", "below"], + }, + ], + messages: { + expected: "Expected a linebreak before this expression.", + unexpected: "Expected no linebreak before this expression.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const option = context.options[0] || "beside"; + + /** + * Validates the location of an arrow function body + * @param {ASTNode} node The arrow function body + * @returns {void} + */ + function validateExpression(node) { + if (node.body.type === "BlockStatement") { + return; + } + + const arrowToken = sourceCode.getTokenBefore( + node.body, + isNotOpeningParenToken, + ); + const firstTokenOfBody = sourceCode.getTokenAfter(arrowToken); + + if ( + arrowToken.loc.end.line === firstTokenOfBody.loc.start.line && + option === "below" + ) { + context.report({ + node: firstTokenOfBody, + messageId: "expected", + fix: fixer => + fixer.insertTextBefore(firstTokenOfBody, "\n"), + }); + } else if ( + arrowToken.loc.end.line !== firstTokenOfBody.loc.start.line && + option === "beside" + ) { + context.report({ + node: firstTokenOfBody, + messageId: "unexpected", + fix(fixer) { + if ( + sourceCode.getFirstTokenBetween( + arrowToken, + firstTokenOfBody, + { + includeComments: true, + filter: isCommentToken, + }, + ) + ) { + return null; + } + + return fixer.replaceTextRange( + [arrowToken.range[1], firstTokenOfBody.range[0]], + " ", + ); + }, + }); + } + } + + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + return { + ArrowFunctionExpression: node => validateExpression(node), + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/indent-legacy.js b/module/node_modules/eslint/lib/rules/indent-legacy.js new file mode 100644 index 000000000..3c14ff767 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/indent-legacy.js @@ -0,0 +1,1369 @@ +/** + * @fileoverview This option sets a specific tab width for your code + * + * This rule has been ported and modified from nodeca. + * @author Vitaly Puzrin + * @author Gyandeep Singh + * @deprecated in ESLint v4.0.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ +// this rule has known coverage issues, but it's deprecated and shouldn't be updated in the future anyway. +/* c8 ignore next */ +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "layout", + + docs: { + description: "Enforce consistent indentation", + recommended: false, + url: "https://eslint.org/docs/latest/rules/indent-legacy", + }, + + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "4.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "indent", + url: "https://eslint.style/rules/indent", + }, + }, + ], + }, + + fixable: "whitespace", + + schema: [ + { + oneOf: [ + { + enum: ["tab"], + }, + { + type: "integer", + minimum: 0, + }, + ], + }, + { + type: "object", + properties: { + SwitchCase: { + type: "integer", + minimum: 0, + }, + VariableDeclarator: { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + type: "object", + properties: { + var: { + type: "integer", + minimum: 0, + }, + let: { + type: "integer", + minimum: 0, + }, + const: { + type: "integer", + minimum: 0, + }, + }, + }, + ], + }, + outerIIFEBody: { + type: "integer", + minimum: 0, + }, + MemberExpression: { + type: "integer", + minimum: 0, + }, + FunctionDeclaration: { + type: "object", + properties: { + parameters: { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + enum: ["first"], + }, + ], + }, + body: { + type: "integer", + minimum: 0, + }, + }, + }, + FunctionExpression: { + type: "object", + properties: { + parameters: { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + enum: ["first"], + }, + ], + }, + body: { + type: "integer", + minimum: 0, + }, + }, + }, + CallExpression: { + type: "object", + properties: { + parameters: { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + enum: ["first"], + }, + ], + }, + }, + }, + ArrayExpression: { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + enum: ["first"], + }, + ], + }, + ObjectExpression: { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + enum: ["first"], + }, + ], + }, + }, + additionalProperties: false, + }, + ], + messages: { + expected: + "Expected indentation of {{expected}} but found {{actual}}.", + }, + }, + + create(context) { + const DEFAULT_VARIABLE_INDENT = 1; + const DEFAULT_PARAMETER_INDENT = null; // For backwards compatibility, don't check parameter indentation unless specified in the config + const DEFAULT_FUNCTION_BODY_INDENT = 1; + + let indentType = "space"; + let indentSize = 4; + const options = { + SwitchCase: 0, + VariableDeclarator: { + var: DEFAULT_VARIABLE_INDENT, + let: DEFAULT_VARIABLE_INDENT, + const: DEFAULT_VARIABLE_INDENT, + }, + outerIIFEBody: null, + FunctionDeclaration: { + parameters: DEFAULT_PARAMETER_INDENT, + body: DEFAULT_FUNCTION_BODY_INDENT, + }, + FunctionExpression: { + parameters: DEFAULT_PARAMETER_INDENT, + body: DEFAULT_FUNCTION_BODY_INDENT, + }, + CallExpression: { + arguments: DEFAULT_PARAMETER_INDENT, + }, + ArrayExpression: 1, + ObjectExpression: 1, + }; + + const sourceCode = context.sourceCode; + + if (context.options.length) { + if (context.options[0] === "tab") { + indentSize = 1; + indentType = "tab"; + } /* c8 ignore start */ else if ( + typeof context.options[0] === "number" + ) { + indentSize = context.options[0]; + indentType = "space"; + } /* c8 ignore stop */ + + if (context.options[1]) { + const opts = context.options[1]; + + options.SwitchCase = opts.SwitchCase || 0; + const variableDeclaratorRules = opts.VariableDeclarator; + + if (typeof variableDeclaratorRules === "number") { + options.VariableDeclarator = { + var: variableDeclaratorRules, + let: variableDeclaratorRules, + const: variableDeclaratorRules, + }; + } else if (typeof variableDeclaratorRules === "object") { + Object.assign( + options.VariableDeclarator, + variableDeclaratorRules, + ); + } + + if (typeof opts.outerIIFEBody === "number") { + options.outerIIFEBody = opts.outerIIFEBody; + } + + if (typeof opts.MemberExpression === "number") { + options.MemberExpression = opts.MemberExpression; + } + + if (typeof opts.FunctionDeclaration === "object") { + Object.assign( + options.FunctionDeclaration, + opts.FunctionDeclaration, + ); + } + + if (typeof opts.FunctionExpression === "object") { + Object.assign( + options.FunctionExpression, + opts.FunctionExpression, + ); + } + + if (typeof opts.CallExpression === "object") { + Object.assign(options.CallExpression, opts.CallExpression); + } + + if ( + typeof opts.ArrayExpression === "number" || + typeof opts.ArrayExpression === "string" + ) { + options.ArrayExpression = opts.ArrayExpression; + } + + if ( + typeof opts.ObjectExpression === "number" || + typeof opts.ObjectExpression === "string" + ) { + options.ObjectExpression = opts.ObjectExpression; + } + } + } + + const caseIndentStore = {}; + + /** + * Creates an error message for a line, given the expected/actual indentation. + * @param {number} expectedAmount The expected amount of indentation characters for this line + * @param {number} actualSpaces The actual number of indentation spaces that were found on this line + * @param {number} actualTabs The actual number of indentation tabs that were found on this line + * @returns {string} An error message for this line + */ + function createErrorMessageData( + expectedAmount, + actualSpaces, + actualTabs, + ) { + const expectedStatement = `${expectedAmount} ${indentType}${expectedAmount === 1 ? "" : "s"}`; // e.g. "2 tabs" + const foundSpacesWord = `space${actualSpaces === 1 ? "" : "s"}`; // e.g. "space" + const foundTabsWord = `tab${actualTabs === 1 ? "" : "s"}`; // e.g. "tabs" + let foundStatement; + + if (actualSpaces > 0 && actualTabs > 0) { + foundStatement = `${actualSpaces} ${foundSpacesWord} and ${actualTabs} ${foundTabsWord}`; // e.g. "1 space and 2 tabs" + } else if (actualSpaces > 0) { + /* + * Abbreviate the message if the expected indentation is also spaces. + * e.g. 'Expected 4 spaces but found 2' rather than 'Expected 4 spaces but found 2 spaces' + */ + foundStatement = + indentType === "space" + ? actualSpaces + : `${actualSpaces} ${foundSpacesWord}`; + } else if (actualTabs > 0) { + foundStatement = + indentType === "tab" + ? actualTabs + : `${actualTabs} ${foundTabsWord}`; + } else { + foundStatement = "0"; + } + return { + expected: expectedStatement, + actual: foundStatement, + }; + } + + /** + * Reports a given indent violation + * @param {ASTNode} node Node violating the indent rule + * @param {number} needed Expected indentation character count + * @param {number} gottenSpaces Indentation space count in the actual node/code + * @param {number} gottenTabs Indentation tab count in the actual node/code + * @param {Object} [loc] Error line and column location + * @param {boolean} isLastNodeCheck Is the error for last node check + * @returns {void} + */ + function report( + node, + needed, + gottenSpaces, + gottenTabs, + loc, + isLastNodeCheck, + ) { + if (gottenSpaces && gottenTabs) { + // To avoid conflicts with `no-mixed-spaces-and-tabs`, don't report lines that have both spaces and tabs. + return; + } + + const desiredIndent = (indentType === "space" ? " " : "\t").repeat( + needed, + ); + + const textRange = isLastNodeCheck + ? [ + node.range[1] - node.loc.end.column, + node.range[1] - + node.loc.end.column + + gottenSpaces + + gottenTabs, + ] + : [ + node.range[0] - node.loc.start.column, + node.range[0] - + node.loc.start.column + + gottenSpaces + + gottenTabs, + ]; + + context.report({ + node, + loc, + messageId: "expected", + data: createErrorMessageData(needed, gottenSpaces, gottenTabs), + fix: fixer => fixer.replaceTextRange(textRange, desiredIndent), + }); + } + + /** + * Get the actual indent of node + * @param {ASTNode|Token} node Node to examine + * @param {boolean} [byLastLine=false] get indent of node's last line + * @returns {Object} The node's indent. Contains keys `space` and `tab`, representing the indent of each character. Also + * contains keys `goodChar` and `badChar`, where `goodChar` is the amount of the user's desired indentation character, and + * `badChar` is the amount of the other indentation character. + */ + function getNodeIndent(node, byLastLine) { + const token = byLastLine + ? sourceCode.getLastToken(node) + : sourceCode.getFirstToken(node); + const srcCharsBeforeNode = sourceCode + .getText(token, token.loc.start.column) + .split(""); + const indentChars = srcCharsBeforeNode.slice( + 0, + srcCharsBeforeNode.findIndex( + char => char !== " " && char !== "\t", + ), + ); + const spaces = indentChars.filter(char => char === " ").length; + const tabs = indentChars.filter(char => char === "\t").length; + + return { + space: spaces, + tab: tabs, + goodChar: indentType === "space" ? spaces : tabs, + badChar: indentType === "space" ? tabs : spaces, + }; + } + + /** + * Checks node is the first in its own start line. By default it looks by start line. + * @param {ASTNode} node The node to check + * @param {boolean} [byEndLocation=false] Lookup based on start position or end + * @returns {boolean} true if its the first in the its start line + */ + function isNodeFirstInLine(node, byEndLocation) { + const firstToken = + byEndLocation === true + ? sourceCode.getLastToken(node, 1) + : sourceCode.getTokenBefore(node), + startLine = + byEndLocation === true + ? node.loc.end.line + : node.loc.start.line, + endLine = firstToken ? firstToken.loc.end.line : -1; + + return startLine !== endLine; + } + + /** + * Check indent for node + * @param {ASTNode} node Node to check + * @param {number} neededIndent needed indent + * @returns {void} + */ + function checkNodeIndent(node, neededIndent) { + const actualIndent = getNodeIndent(node, false); + + if ( + node.type !== "ArrayExpression" && + node.type !== "ObjectExpression" && + (actualIndent.goodChar !== neededIndent || + actualIndent.badChar !== 0) && + isNodeFirstInLine(node) + ) { + report( + node, + neededIndent, + actualIndent.space, + actualIndent.tab, + ); + } + + if (node.type === "IfStatement" && node.alternate) { + const elseToken = sourceCode.getTokenBefore(node.alternate); + + checkNodeIndent(elseToken, neededIndent); + + if (!isNodeFirstInLine(node.alternate)) { + checkNodeIndent(node.alternate, neededIndent); + } + } + + if (node.type === "TryStatement" && node.handler) { + const catchToken = sourceCode.getFirstToken(node.handler); + + checkNodeIndent(catchToken, neededIndent); + } + + if (node.type === "TryStatement" && node.finalizer) { + const finallyToken = sourceCode.getTokenBefore(node.finalizer); + + checkNodeIndent(finallyToken, neededIndent); + } + + if (node.type === "DoWhileStatement") { + const whileToken = sourceCode.getTokenAfter(node.body); + + checkNodeIndent(whileToken, neededIndent); + } + } + + /** + * Check indent for nodes list + * @param {ASTNode[]} nodes list of node objects + * @param {number} indent needed indent + * @returns {void} + */ + function checkNodesIndent(nodes, indent) { + nodes.forEach(node => checkNodeIndent(node, indent)); + } + + /** + * Check last node line indent this detects, that block closed correctly + * @param {ASTNode} node Node to examine + * @param {number} lastLineIndent needed indent + * @returns {void} + */ + function checkLastNodeLineIndent(node, lastLineIndent) { + const lastToken = sourceCode.getLastToken(node); + const endIndent = getNodeIndent(lastToken, true); + + if ( + (endIndent.goodChar !== lastLineIndent || + endIndent.badChar !== 0) && + isNodeFirstInLine(node, true) + ) { + report( + node, + lastLineIndent, + endIndent.space, + endIndent.tab, + { + line: lastToken.loc.start.line, + column: lastToken.loc.start.column, + }, + true, + ); + } + } + + /** + * Check last node line indent this detects, that block closed correctly + * This function for more complicated return statement case, where closing parenthesis may be followed by ';' + * @param {ASTNode} node Node to examine + * @param {number} firstLineIndent first line needed indent + * @returns {void} + */ + function checkLastReturnStatementLineIndent(node, firstLineIndent) { + /* + * in case if return statement ends with ');' we have traverse back to ')' + * otherwise we'll measure indent for ';' and replace ')' + */ + const lastToken = sourceCode.getLastToken( + node, + astUtils.isClosingParenToken, + ); + const textBeforeClosingParenthesis = sourceCode + .getText(lastToken, lastToken.loc.start.column) + .slice(0, -1); + + if (textBeforeClosingParenthesis.trim()) { + // There are tokens before the closing paren, don't report this case + return; + } + + const endIndent = getNodeIndent(lastToken, true); + + if (endIndent.goodChar !== firstLineIndent) { + report( + node, + firstLineIndent, + endIndent.space, + endIndent.tab, + { + line: lastToken.loc.start.line, + column: lastToken.loc.start.column, + }, + true, + ); + } + } + + /** + * Check first node line indent is correct + * @param {ASTNode} node Node to examine + * @param {number} firstLineIndent needed indent + * @returns {void} + */ + function checkFirstNodeLineIndent(node, firstLineIndent) { + const startIndent = getNodeIndent(node, false); + + if ( + (startIndent.goodChar !== firstLineIndent || + startIndent.badChar !== 0) && + isNodeFirstInLine(node) + ) { + report( + node, + firstLineIndent, + startIndent.space, + startIndent.tab, + { + line: node.loc.start.line, + column: node.loc.start.column, + }, + ); + } + } + + /** + * Returns a parent node of given node based on a specified type + * if not present then return null + * @param {ASTNode} node node to examine + * @param {string} type type that is being looked for + * @param {string} stopAtList end points for the evaluating code + * @returns {ASTNode|void} if found then node otherwise null + */ + function getParentNodeByType(node, type, stopAtList) { + let parent = node.parent; + const stopAtSet = new Set(stopAtList || ["Program"]); + + while ( + parent.type !== type && + !stopAtSet.has(parent.type) && + parent.type !== "Program" + ) { + parent = parent.parent; + } + + return parent.type === type ? parent : null; + } + + /** + * Returns the VariableDeclarator based on the current node + * if not present then return null + * @param {ASTNode} node node to examine + * @returns {ASTNode|void} if found then node otherwise null + */ + function getVariableDeclaratorNode(node) { + return getParentNodeByType(node, "VariableDeclarator"); + } + + /** + * Check to see if the node is part of the multi-line variable declaration. + * Also if its on the same line as the varNode + * @param {ASTNode} node node to check + * @param {ASTNode} varNode variable declaration node to check against + * @returns {boolean} True if all the above condition satisfy + */ + function isNodeInVarOnTop(node, varNode) { + return ( + varNode && + varNode.parent.loc.start.line === node.loc.start.line && + varNode.parent.declarations.length > 1 + ); + } + + /** + * Check to see if the argument before the callee node is multi-line and + * there should only be 1 argument before the callee node + * @param {ASTNode} node node to check + * @returns {boolean} True if arguments are multi-line + */ + function isArgBeforeCalleeNodeMultiline(node) { + const parent = node.parent; + + if (parent.arguments.length >= 2 && parent.arguments[1] === node) { + return ( + parent.arguments[0].loc.end.line > + parent.arguments[0].loc.start.line + ); + } + + return false; + } + + /** + * Check to see if the node is a file level IIFE + * @param {ASTNode} node The function node to check. + * @returns {boolean} True if the node is the outer IIFE + */ + function isOuterIIFE(node) { + const parent = node.parent; + let stmt = parent.parent; + + /* + * Verify that the node is an IIEF + */ + if (parent.type !== "CallExpression" || parent.callee !== node) { + return false; + } + + /* + * Navigate legal ancestors to determine whether this IIEF is outer + */ + while ( + (stmt.type === "UnaryExpression" && + (stmt.operator === "!" || + stmt.operator === "~" || + stmt.operator === "+" || + stmt.operator === "-")) || + stmt.type === "AssignmentExpression" || + stmt.type === "LogicalExpression" || + stmt.type === "SequenceExpression" || + stmt.type === "VariableDeclarator" + ) { + stmt = stmt.parent; + } + + return ( + (stmt.type === "ExpressionStatement" || + stmt.type === "VariableDeclaration") && + stmt.parent && + stmt.parent.type === "Program" + ); + } + + /** + * Check indent for function block content + * @param {ASTNode} node A BlockStatement node that is inside of a function. + * @returns {void} + */ + function checkIndentInFunctionBlock(node) { + /* + * Search first caller in chain. + * Ex.: + * + * Models <- Identifier + * .User + * .find() + * .exec(function() { + * // function body + * }); + * + * Looks for 'Models' + */ + const calleeNode = node.parent; // FunctionExpression + let indent; + + if ( + calleeNode.parent && + (calleeNode.parent.type === "Property" || + calleeNode.parent.type === "ArrayExpression") + ) { + // If function is part of array or object, comma can be put at left + indent = getNodeIndent(calleeNode, false).goodChar; + } else { + // If function is standalone, simple calculate indent + indent = getNodeIndent(calleeNode).goodChar; + } + + if (calleeNode.parent.type === "CallExpression") { + const calleeParent = calleeNode.parent; + + if ( + calleeNode.type !== "FunctionExpression" && + calleeNode.type !== "ArrowFunctionExpression" + ) { + if ( + calleeParent && + calleeParent.loc.start.line < node.loc.start.line + ) { + indent = getNodeIndent(calleeParent).goodChar; + } + } else { + if ( + isArgBeforeCalleeNodeMultiline(calleeNode) && + calleeParent.callee.loc.start.line === + calleeParent.callee.loc.end.line && + !isNodeFirstInLine(calleeNode) + ) { + indent = getNodeIndent(calleeParent).goodChar; + } + } + } + + /* + * function body indent should be indent + indent size, unless this + * is a FunctionDeclaration, FunctionExpression, or outer IIFE and the corresponding options are enabled. + */ + let functionOffset = indentSize; + + if (options.outerIIFEBody !== null && isOuterIIFE(calleeNode)) { + functionOffset = options.outerIIFEBody * indentSize; + } else if (calleeNode.type === "FunctionExpression") { + functionOffset = options.FunctionExpression.body * indentSize; + } else if (calleeNode.type === "FunctionDeclaration") { + functionOffset = options.FunctionDeclaration.body * indentSize; + } + indent += functionOffset; + + // check if the node is inside a variable + const parentVarNode = getVariableDeclaratorNode(node); + + if (parentVarNode && isNodeInVarOnTop(node, parentVarNode)) { + indent += + indentSize * + options.VariableDeclarator[parentVarNode.parent.kind]; + } + + if (node.body.length > 0) { + checkNodesIndent(node.body, indent); + } + + checkLastNodeLineIndent(node, indent - functionOffset); + } + + /** + * Checks if the given node starts and ends on the same line + * @param {ASTNode} node The node to check + * @returns {boolean} Whether or not the block starts and ends on the same line. + */ + function isSingleLineNode(node) { + const lastToken = sourceCode.getLastToken(node), + startLine = node.loc.start.line, + endLine = lastToken.loc.end.line; + + return startLine === endLine; + } + + /** + * Check indent for array block content or object block content + * @param {ASTNode} node node to examine + * @returns {void} + */ + function checkIndentInArrayOrObjectBlock(node) { + // Skip inline + if (isSingleLineNode(node)) { + return; + } + + let elements = + node.type === "ArrayExpression" + ? node.elements + : node.properties; + + // filter out empty elements example would be [ , 2] so remove first element as espree considers it as null + elements = elements.filter(elem => elem !== null); + + let nodeIndent; + let elementsIndent; + const parentVarNode = getVariableDeclaratorNode(node); + + // TODO - come up with a better strategy in future + if (isNodeFirstInLine(node)) { + const parent = node.parent; + + nodeIndent = getNodeIndent(parent).goodChar; + if ( + !parentVarNode || + parentVarNode.loc.start.line !== node.loc.start.line + ) { + if ( + parent.type !== "VariableDeclarator" || + parentVarNode === parentVarNode.parent.declarations[0] + ) { + if ( + parent.type === "VariableDeclarator" && + parentVarNode.loc.start.line === + parent.loc.start.line + ) { + nodeIndent += + indentSize * + options.VariableDeclarator[ + parentVarNode.parent.kind + ]; + } else if ( + parent.type === "ObjectExpression" || + parent.type === "ArrayExpression" + ) { + const parentElements = + node.parent.type === "ObjectExpression" + ? node.parent.properties + : node.parent.elements; + + if ( + parentElements[0] && + parentElements[0].loc.start.line === + parent.loc.start.line && + parentElements[0].loc.end.line !== + parent.loc.start.line + ) { + /* + * If the first element of the array spans multiple lines, don't increase the expected indentation of the rest. + * e.g. [{ + * foo: 1 + * }, + * { + * bar: 1 + * }] + * the second object is not indented. + */ + } else if ( + typeof options[parent.type] === "number" + ) { + nodeIndent += options[parent.type] * indentSize; + } else { + nodeIndent = parentElements[0].loc.start.column; + } + } else if ( + parent.type === "CallExpression" || + parent.type === "NewExpression" + ) { + if ( + typeof options.CallExpression.arguments === + "number" + ) { + nodeIndent += + options.CallExpression.arguments * + indentSize; + } else if ( + options.CallExpression.arguments === "first" + ) { + if (parent.arguments.includes(node)) { + nodeIndent = + parent.arguments[0].loc.start.column; + } + } else { + nodeIndent += indentSize; + } + } else if ( + parent.type === "LogicalExpression" || + parent.type === "ArrowFunctionExpression" + ) { + nodeIndent += indentSize; + } + } + } + + checkFirstNodeLineIndent(node, nodeIndent); + } else { + nodeIndent = getNodeIndent(node).goodChar; + } + + if (options[node.type] === "first") { + elementsIndent = elements.length + ? elements[0].loc.start.column + : 0; // If there are no elements, elementsIndent doesn't matter. + } else { + elementsIndent = nodeIndent + indentSize * options[node.type]; + } + + /* + * Check if the node is a multiple variable declaration; if so, then + * make sure indentation takes that into account. + */ + if (isNodeInVarOnTop(node, parentVarNode)) { + elementsIndent += + indentSize * + options.VariableDeclarator[parentVarNode.parent.kind]; + } + + checkNodesIndent(elements, elementsIndent); + + if (elements.length > 0) { + // Skip last block line check if last item in same line + if (elements.at(-1).loc.end.line === node.loc.end.line) { + return; + } + } + + checkLastNodeLineIndent( + node, + nodeIndent + + (isNodeInVarOnTop(node, parentVarNode) + ? options.VariableDeclarator[ + parentVarNode.parent.kind + ] * indentSize + : 0), + ); + } + + /** + * Check if the node or node body is a BlockStatement or not + * @param {ASTNode} node node to test + * @returns {boolean} True if it or its body is a block statement + */ + function isNodeBodyBlock(node) { + return ( + node.type === "BlockStatement" || + node.type === "ClassBody" || + (node.body && node.body.type === "BlockStatement") || + (node.consequent && node.consequent.type === "BlockStatement") + ); + } + + /** + * Check indentation for blocks + * @param {ASTNode} node node to check + * @returns {void} + */ + function blockIndentationCheck(node) { + // Skip inline blocks + if (isSingleLineNode(node)) { + return; + } + + if ( + node.parent && + (node.parent.type === "FunctionExpression" || + node.parent.type === "FunctionDeclaration" || + node.parent.type === "ArrowFunctionExpression") + ) { + checkIndentInFunctionBlock(node); + return; + } + + let indent; + let nodesToCheck; + + /* + * For this statements we should check indent from statement beginning, + * not from the beginning of the block. + */ + const statementsWithProperties = [ + "IfStatement", + "WhileStatement", + "ForStatement", + "ForInStatement", + "ForOfStatement", + "DoWhileStatement", + "ClassDeclaration", + "TryStatement", + ]; + + if ( + node.parent && + statementsWithProperties.includes(node.parent.type) && + isNodeBodyBlock(node) + ) { + indent = getNodeIndent(node.parent).goodChar; + } else if (node.parent && node.parent.type === "CatchClause") { + indent = getNodeIndent(node.parent.parent).goodChar; + } else { + indent = getNodeIndent(node).goodChar; + } + + if ( + node.type === "IfStatement" && + node.consequent.type !== "BlockStatement" + ) { + nodesToCheck = [node.consequent]; + } else if (Array.isArray(node.body)) { + nodesToCheck = node.body; + } else { + nodesToCheck = [node.body]; + } + + if (nodesToCheck.length > 0) { + checkNodesIndent(nodesToCheck, indent + indentSize); + } + + if (node.type === "BlockStatement") { + checkLastNodeLineIndent(node, indent); + } + } + + /** + * Filter out the elements which are on the same line of each other or the node. + * basically have only 1 elements from each line except the variable declaration line. + * @param {ASTNode} node Variable declaration node + * @returns {ASTNode[]} Filtered elements + */ + function filterOutSameLineVars(node) { + return node.declarations.reduce((finalCollection, elem) => { + const lastElem = finalCollection.at(-1); + + if ( + (elem.loc.start.line !== node.loc.start.line && + !lastElem) || + (lastElem && + lastElem.loc.start.line !== elem.loc.start.line) + ) { + finalCollection.push(elem); + } + + return finalCollection; + }, []); + } + + /** + * Check indentation for variable declarations + * @param {ASTNode} node node to examine + * @returns {void} + */ + function checkIndentInVariableDeclarations(node) { + const elements = filterOutSameLineVars(node); + const nodeIndent = getNodeIndent(node).goodChar; + const lastElement = elements.at(-1); + + const elementsIndent = + nodeIndent + indentSize * options.VariableDeclarator[node.kind]; + + checkNodesIndent(elements, elementsIndent); + + // Only check the last line if there is any token after the last item + if ( + sourceCode.getLastToken(node).loc.end.line <= + lastElement.loc.end.line + ) { + return; + } + + const tokenBeforeLastElement = + sourceCode.getTokenBefore(lastElement); + + if (tokenBeforeLastElement.value === ",") { + // Special case for comma-first syntax where the semicolon is indented + checkLastNodeLineIndent( + node, + getNodeIndent(tokenBeforeLastElement).goodChar, + ); + } else { + checkLastNodeLineIndent(node, elementsIndent - indentSize); + } + } + + /** + * Check and decide whether to check for indentation for blockless nodes + * Scenarios are for or while statements without braces around them + * @param {ASTNode} node node to examine + * @returns {void} + */ + function blockLessNodes(node) { + if (node.body.type !== "BlockStatement") { + blockIndentationCheck(node); + } + } + + /** + * Returns the expected indentation for the case statement + * @param {ASTNode} node node to examine + * @param {number} [providedSwitchIndent] indent for switch statement + * @returns {number} indent size + */ + function expectedCaseIndent(node, providedSwitchIndent) { + const switchNode = + node.type === "SwitchStatement" ? node : node.parent; + const switchIndent = + typeof providedSwitchIndent === "undefined" + ? getNodeIndent(switchNode).goodChar + : providedSwitchIndent; + let caseIndent; + + if (caseIndentStore[switchNode.loc.start.line]) { + return caseIndentStore[switchNode.loc.start.line]; + } + + if (switchNode.cases.length > 0 && options.SwitchCase === 0) { + caseIndent = switchIndent; + } else { + caseIndent = switchIndent + indentSize * options.SwitchCase; + } + + caseIndentStore[switchNode.loc.start.line] = caseIndent; + return caseIndent; + } + + /** + * Checks whether a return statement is wrapped in () + * @param {ASTNode} node node to examine + * @returns {boolean} the result + */ + function isWrappedInParenthesis(node) { + const regex = /^return\s*\(\s*\)/u; + + const statementWithoutArgument = sourceCode + .getText(node) + .replace(sourceCode.getText(node.argument), ""); + + return regex.test(statementWithoutArgument); + } + + return { + Program(node) { + if (node.body.length > 0) { + // Root nodes should have no indent + checkNodesIndent(node.body, getNodeIndent(node).goodChar); + } + }, + + ClassBody: blockIndentationCheck, + + BlockStatement: blockIndentationCheck, + + WhileStatement: blockLessNodes, + + ForStatement: blockLessNodes, + + ForInStatement: blockLessNodes, + + ForOfStatement: blockLessNodes, + + DoWhileStatement: blockLessNodes, + + IfStatement(node) { + if ( + node.consequent.type !== "BlockStatement" && + node.consequent.loc.start.line > node.loc.start.line + ) { + blockIndentationCheck(node); + } + }, + + VariableDeclaration(node) { + if ( + node.declarations.at(-1).loc.start.line > + node.declarations[0].loc.start.line + ) { + checkIndentInVariableDeclarations(node); + } + }, + + ObjectExpression(node) { + checkIndentInArrayOrObjectBlock(node); + }, + + ArrayExpression(node) { + checkIndentInArrayOrObjectBlock(node); + }, + + MemberExpression(node) { + if (typeof options.MemberExpression === "undefined") { + return; + } + + if (isSingleLineNode(node)) { + return; + } + + /* + * The typical layout of variable declarations and assignments + * alter the expectation of correct indentation. Skip them. + * TODO: Add appropriate configuration options for variable + * declarations and assignments. + */ + if ( + getParentNodeByType(node, "VariableDeclarator", [ + "FunctionExpression", + "ArrowFunctionExpression", + ]) + ) { + return; + } + + if ( + getParentNodeByType(node, "AssignmentExpression", [ + "FunctionExpression", + ]) + ) { + return; + } + + const propertyIndent = + getNodeIndent(node).goodChar + + indentSize * options.MemberExpression; + + const checkNodes = [node.property]; + + const dot = sourceCode.getTokenBefore(node.property); + + if (dot.type === "Punctuator" && dot.value === ".") { + checkNodes.push(dot); + } + + checkNodesIndent(checkNodes, propertyIndent); + }, + + SwitchStatement(node) { + // Switch is not a 'BlockStatement' + const switchIndent = getNodeIndent(node).goodChar; + const caseIndent = expectedCaseIndent(node, switchIndent); + + checkNodesIndent(node.cases, caseIndent); + + checkLastNodeLineIndent(node, switchIndent); + }, + + SwitchCase(node) { + // Skip inline cases + if (isSingleLineNode(node)) { + return; + } + const caseIndent = expectedCaseIndent(node); + + checkNodesIndent(node.consequent, caseIndent + indentSize); + }, + + FunctionDeclaration(node) { + if (isSingleLineNode(node)) { + return; + } + if ( + options.FunctionDeclaration.parameters === "first" && + node.params.length + ) { + checkNodesIndent( + node.params.slice(1), + node.params[0].loc.start.column, + ); + } else if (options.FunctionDeclaration.parameters !== null) { + checkNodesIndent( + node.params, + getNodeIndent(node).goodChar + + indentSize * options.FunctionDeclaration.parameters, + ); + } + }, + + FunctionExpression(node) { + if (isSingleLineNode(node)) { + return; + } + if ( + options.FunctionExpression.parameters === "first" && + node.params.length + ) { + checkNodesIndent( + node.params.slice(1), + node.params[0].loc.start.column, + ); + } else if (options.FunctionExpression.parameters !== null) { + checkNodesIndent( + node.params, + getNodeIndent(node).goodChar + + indentSize * options.FunctionExpression.parameters, + ); + } + }, + + ReturnStatement(node) { + if (isSingleLineNode(node)) { + return; + } + + const firstLineIndent = getNodeIndent(node).goodChar; + + // in case if return statement is wrapped in parenthesis + if (isWrappedInParenthesis(node)) { + checkLastReturnStatementLineIndent(node, firstLineIndent); + } else { + checkNodeIndent(node, firstLineIndent); + } + }, + + CallExpression(node) { + if (isSingleLineNode(node)) { + return; + } + if ( + options.CallExpression.arguments === "first" && + node.arguments.length + ) { + checkNodesIndent( + node.arguments.slice(1), + node.arguments[0].loc.start.column, + ); + } else if (options.CallExpression.arguments !== null) { + checkNodesIndent( + node.arguments, + getNodeIndent(node).goodChar + + indentSize * options.CallExpression.arguments, + ); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/indent.js b/module/node_modules/eslint/lib/rules/indent.js new file mode 100644 index 000000000..c6c18759a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/indent.js @@ -0,0 +1,2334 @@ +/** + * @fileoverview This rule sets a specific indentation style and width for your code + * + * @author Teddy Katz + * @author Vitaly Puzrin + * @author Gyandeep Singh + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const KNOWN_NODES = new Set([ + "AssignmentExpression", + "AssignmentPattern", + "ArrayExpression", + "ArrayPattern", + "ArrowFunctionExpression", + "AwaitExpression", + "BlockStatement", + "BinaryExpression", + "BreakStatement", + "CallExpression", + "CatchClause", + "ChainExpression", + "ClassBody", + "ClassDeclaration", + "ClassExpression", + "ConditionalExpression", + "ContinueStatement", + "DoWhileStatement", + "DebuggerStatement", + "EmptyStatement", + "ExperimentalRestProperty", + "ExperimentalSpreadProperty", + "ExpressionStatement", + "ForStatement", + "ForInStatement", + "ForOfStatement", + "FunctionDeclaration", + "FunctionExpression", + "Identifier", + "IfStatement", + "Literal", + "LabeledStatement", + "LogicalExpression", + "MemberExpression", + "MetaProperty", + "MethodDefinition", + "NewExpression", + "ObjectExpression", + "ObjectPattern", + "PrivateIdentifier", + "Program", + "Property", + "PropertyDefinition", + "RestElement", + "ReturnStatement", + "SequenceExpression", + "SpreadElement", + "StaticBlock", + "Super", + "SwitchCase", + "SwitchStatement", + "TaggedTemplateExpression", + "TemplateElement", + "TemplateLiteral", + "ThisExpression", + "ThrowStatement", + "TryStatement", + "UnaryExpression", + "UpdateExpression", + "VariableDeclaration", + "VariableDeclarator", + "WhileStatement", + "WithStatement", + "YieldExpression", + "JSXFragment", + "JSXOpeningFragment", + "JSXClosingFragment", + "JSXIdentifier", + "JSXNamespacedName", + "JSXMemberExpression", + "JSXEmptyExpression", + "JSXExpressionContainer", + "JSXElement", + "JSXClosingElement", + "JSXOpeningElement", + "JSXAttribute", + "JSXSpreadAttribute", + "JSXText", + "ExportDefaultDeclaration", + "ExportNamedDeclaration", + "ExportAllDeclaration", + "ExportSpecifier", + "ImportDeclaration", + "ImportSpecifier", + "ImportDefaultSpecifier", + "ImportNamespaceSpecifier", + "ImportExpression", +]); + +/* + * General rule strategy: + * 1. An OffsetStorage instance stores a map of desired offsets, where each token has a specified offset from another + * specified token or to the first column. + * 2. As the AST is traversed, modify the desired offsets of tokens accordingly. For example, when entering a + * BlockStatement, offset all of the tokens in the BlockStatement by 1 indent level from the opening curly + * brace of the BlockStatement. + * 3. After traversing the AST, calculate the expected indentation levels of every token according to the + * OffsetStorage container. + * 4. For each line, compare the expected indentation of the first token to the actual indentation in the file, + * and report the token if the two values are not equal. + */ + +/** + * A mutable map that stores (key, value) pairs. The keys are numeric indices, and must be unique. + * This is intended to be a generic wrapper around a map with non-negative integer keys, so that the underlying implementation + * can easily be swapped out. + */ +class IndexMap { + /** + * Creates an empty map + * @param {number} maxKey The maximum key + */ + constructor(maxKey) { + // Initializing the array with the maximum expected size avoids dynamic reallocations that could degrade performance. + this._values = Array(maxKey + 1); + } + + /** + * Inserts an entry into the map. + * @param {number} key The entry's key + * @param {any} value The entry's value + * @returns {void} + */ + insert(key, value) { + this._values[key] = value; + } + + /** + * Finds the value of the entry with the largest key less than or equal to the provided key + * @param {number} key The provided key + * @returns {*|undefined} The value of the found entry, or undefined if no such entry exists. + */ + findLastNotAfter(key) { + const values = this._values; + + for (let index = key; index >= 0; index--) { + const value = values[index]; + + if (value) { + return value; + } + } + return void 0; + } + + /** + * Deletes all of the keys in the interval [start, end) + * @param {number} start The start of the range + * @param {number} end The end of the range + * @returns {void} + */ + deleteRange(start, end) { + this._values.fill(void 0, start, end); + } +} + +/** + * A helper class to get token-based info related to indentation + */ +class TokenInfo { + /** + * @param {SourceCode} sourceCode A SourceCode object + */ + constructor(sourceCode) { + this.sourceCode = sourceCode; + this.firstTokensByLineNumber = new Map(); + const tokens = sourceCode.tokensAndComments; + + for (let i = 0; i < tokens.length; i++) { + const token = tokens[i]; + + if (!this.firstTokensByLineNumber.has(token.loc.start.line)) { + this.firstTokensByLineNumber.set(token.loc.start.line, token); + } + if ( + !this.firstTokensByLineNumber.has(token.loc.end.line) && + sourceCode.text + .slice( + token.range[1] - token.loc.end.column, + token.range[1], + ) + .trim() + ) { + this.firstTokensByLineNumber.set(token.loc.end.line, token); + } + } + } + + /** + * Gets the first token on a given token's line + * @param {Token|ASTNode} token a node or token + * @returns {Token} The first token on the given line + */ + getFirstTokenOfLine(token) { + return this.firstTokensByLineNumber.get(token.loc.start.line); + } + + /** + * Determines whether a token is the first token in its line + * @param {Token} token The token + * @returns {boolean} `true` if the token is the first on its line + */ + isFirstTokenOfLine(token) { + return this.getFirstTokenOfLine(token) === token; + } + + /** + * Get the actual indent of a token + * @param {Token} token Token to examine. This should be the first token on its line. + * @returns {string} The indentation characters that precede the token + */ + getTokenIndent(token) { + return this.sourceCode.text.slice( + token.range[0] - token.loc.start.column, + token.range[0], + ); + } +} + +/** + * A class to store information on desired offsets of tokens from each other + */ +class OffsetStorage { + /** + * @param {TokenInfo} tokenInfo a TokenInfo instance + * @param {number} indentSize The desired size of each indentation level + * @param {string} indentType The indentation character + * @param {number} maxIndex The maximum end index of any token + */ + constructor(tokenInfo, indentSize, indentType, maxIndex) { + this._tokenInfo = tokenInfo; + this._indentSize = indentSize; + this._indentType = indentType; + + this._indexMap = new IndexMap(maxIndex); + this._indexMap.insert(0, { offset: 0, from: null, force: false }); + + this._lockedFirstTokens = new WeakMap(); + this._desiredIndentCache = new WeakMap(); + this._ignoredTokens = new WeakSet(); + } + + _getOffsetDescriptor(token) { + return this._indexMap.findLastNotAfter(token.range[0]); + } + + /** + * Sets the offset column of token B to match the offset column of token A. + * - **WARNING**: This matches a *column*, even if baseToken is not the first token on its line. In + * most cases, `setDesiredOffset` should be used instead. + * @param {Token} baseToken The first token + * @param {Token} offsetToken The second token, whose offset should be matched to the first token + * @returns {void} + */ + matchOffsetOf(baseToken, offsetToken) { + /* + * lockedFirstTokens is a map from a token whose indentation is controlled by the "first" option to + * the token that it depends on. For example, with the `ArrayExpression: first` option, the first + * token of each element in the array after the first will be mapped to the first token of the first + * element. The desired indentation of each of these tokens is computed based on the desired indentation + * of the "first" element, rather than through the normal offset mechanism. + */ + this._lockedFirstTokens.set(offsetToken, baseToken); + } + + /** + * Sets the desired offset of a token. + * + * This uses a line-based offset collapsing behavior to handle tokens on the same line. + * For example, consider the following two cases: + * + * ( + * [ + * bar + * ] + * ) + * + * ([ + * bar + * ]) + * + * Based on the first case, it's clear that the `bar` token needs to have an offset of 1 indent level (4 spaces) from + * the `[` token, and the `[` token has to have an offset of 1 indent level from the `(` token. Since the `(` token is + * the first on its line (with an indent of 0 spaces), the `bar` token needs to be offset by 2 indent levels (8 spaces) + * from the start of its line. + * + * However, in the second case `bar` should only be indented by 4 spaces. This is because the offset of 1 indent level + * between the `(` and the `[` tokens gets "collapsed" because the two tokens are on the same line. As a result, the + * `(` token is mapped to the `[` token with an offset of 0, and the rule correctly decides that `bar` should be indented + * by 1 indent level from the start of the line. + * + * This is useful because rule listeners can usually just call `setDesiredOffset` for all the tokens in the node, + * without needing to check which lines those tokens are on. + * + * Note that since collapsing only occurs when two tokens are on the same line, there are a few cases where non-intuitive + * behavior can occur. For example, consider the following cases: + * + * foo( + * ). + * bar( + * baz + * ) + * + * foo( + * ).bar( + * baz + * ) + * + * Based on the first example, it would seem that `bar` should be offset by 1 indent level from `foo`, and `baz` + * should be offset by 1 indent level from `bar`. However, this is not correct, because it would result in `baz` + * being indented by 2 indent levels in the second case (since `foo`, `bar`, and `baz` are all on separate lines, no + * collapsing would occur). + * + * Instead, the correct way would be to offset `baz` by 1 level from `bar`, offset `bar` by 1 level from the `)`, and + * offset the `)` by 0 levels from `foo`. This ensures that the offset between `bar` and the `)` are correctly collapsed + * in the second case. + * @param {Token} token The token + * @param {Token} fromToken The token that `token` should be offset from + * @param {number} offset The desired indent level + * @returns {void} + */ + setDesiredOffset(token, fromToken, offset) { + return this.setDesiredOffsets(token.range, fromToken, offset); + } + + /** + * Sets the desired offset of all tokens in a range + * It's common for node listeners in this file to need to apply the same offset to a large, contiguous range of tokens. + * Moreover, the offset of any given token is usually updated multiple times (roughly once for each node that contains + * it). This means that the offset of each token is updated O(AST depth) times. + * It would not be performant to store and update the offsets for each token independently, because the rule would end + * up having a time complexity of O(number of tokens * AST depth), which is quite slow for large files. + * + * Instead, the offset tree is represented as a collection of contiguous offset ranges in a file. For example, the following + * list could represent the state of the offset tree at a given point: + * + * - Tokens starting in the interval [0, 15) are aligned with the beginning of the file + * - Tokens starting in the interval [15, 30) are offset by 1 indent level from the `bar` token + * - Tokens starting in the interval [30, 43) are offset by 1 indent level from the `foo` token + * - Tokens starting in the interval [43, 820) are offset by 2 indent levels from the `bar` token + * - Tokens starting in the interval [820, ∞) are offset by 1 indent level from the `baz` token + * + * The `setDesiredOffsets` methods inserts ranges like the ones above. The third line above would be inserted by using: + * `setDesiredOffsets([30, 43], fooToken, 1);` + * @param {[number, number]} range A [start, end] pair. All tokens with range[0] <= token.start < range[1] will have the offset applied. + * @param {Token} fromToken The token that this is offset from + * @param {number} offset The desired indent level + * @param {boolean} force `true` if this offset should not use the normal collapsing behavior. This should almost always be false. + * @returns {void} + */ + setDesiredOffsets(range, fromToken, offset, force) { + /* + * Offset ranges are stored as a collection of nodes, where each node maps a numeric key to an offset + * descriptor. The tree for the example above would have the following nodes: + * + * * key: 0, value: { offset: 0, from: null } + * * key: 15, value: { offset: 1, from: barToken } + * * key: 30, value: { offset: 1, from: fooToken } + * * key: 43, value: { offset: 2, from: barToken } + * * key: 820, value: { offset: 1, from: bazToken } + * + * To find the offset descriptor for any given token, one needs to find the node with the largest key + * which is <= token.start. To make this operation fast, the nodes are stored in a map indexed by key. + */ + + const descriptorToInsert = { offset, from: fromToken, force }; + + const descriptorAfterRange = this._indexMap.findLastNotAfter(range[1]); + + const fromTokenIsInRange = + fromToken && + fromToken.range[0] >= range[0] && + fromToken.range[1] <= range[1]; + const fromTokenDescriptor = + fromTokenIsInRange && this._getOffsetDescriptor(fromToken); + + // First, remove any existing nodes in the range from the map. + this._indexMap.deleteRange(range[0] + 1, range[1]); + + // Insert a new node into the map for this range + this._indexMap.insert(range[0], descriptorToInsert); + + /* + * To avoid circular offset dependencies, keep the `fromToken` token mapped to whatever it was mapped to previously, + * even if it's in the current range. + */ + if (fromTokenIsInRange) { + this._indexMap.insert(fromToken.range[0], fromTokenDescriptor); + this._indexMap.insert(fromToken.range[1], descriptorToInsert); + } + + /* + * To avoid modifying the offset of tokens after the range, insert another node to keep the offset of the following + * tokens the same as it was before. + */ + this._indexMap.insert(range[1], descriptorAfterRange); + } + + /** + * Gets the desired indent of a token + * @param {Token} token The token + * @returns {string} The desired indent of the token + */ + getDesiredIndent(token) { + if (!this._desiredIndentCache.has(token)) { + if (this._ignoredTokens.has(token)) { + /* + * If the token is ignored, use the actual indent of the token as the desired indent. + * This ensures that no errors are reported for this token. + */ + this._desiredIndentCache.set( + token, + this._tokenInfo.getTokenIndent(token), + ); + } else if (this._lockedFirstTokens.has(token)) { + const firstToken = this._lockedFirstTokens.get(token); + + this._desiredIndentCache.set( + token, + + // (indentation for the first element's line) + this.getDesiredIndent( + this._tokenInfo.getFirstTokenOfLine(firstToken), + ) + + // (space between the start of the first element's line and the first element) + this._indentType.repeat( + firstToken.loc.start.column - + this._tokenInfo.getFirstTokenOfLine(firstToken) + .loc.start.column, + ), + ); + } else { + const offsetInfo = this._getOffsetDescriptor(token); + const offset = + offsetInfo.from && + offsetInfo.from.loc.start.line === token.loc.start.line && + !/^\s*?\n/u.test(token.value) && + !offsetInfo.force + ? 0 + : offsetInfo.offset * this._indentSize; + + this._desiredIndentCache.set( + token, + (offsetInfo.from + ? this.getDesiredIndent(offsetInfo.from) + : "") + this._indentType.repeat(offset), + ); + } + } + return this._desiredIndentCache.get(token); + } + + /** + * Ignores a token, preventing it from being reported. + * @param {Token} token The token + * @returns {void} + */ + ignoreToken(token) { + if (this._tokenInfo.isFirstTokenOfLine(token)) { + this._ignoredTokens.add(token); + } + } + + /** + * Gets the first token that the given token's indentation is dependent on + * @param {Token} token The token + * @returns {Token} The token that the given token depends on, or `null` if the given token is at the top level + */ + getFirstDependency(token) { + return this._getOffsetDescriptor(token).from; + } +} + +const ELEMENT_LIST_SCHEMA = { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + enum: ["first", "off"], + }, + ], +}; + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "indent", + url: "https://eslint.style/rules/indent", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent indentation", + recommended: false, + url: "https://eslint.org/docs/latest/rules/indent", + }, + + fixable: "whitespace", + + schema: [ + { + oneOf: [ + { + enum: ["tab"], + }, + { + type: "integer", + minimum: 0, + }, + ], + }, + { + type: "object", + properties: { + SwitchCase: { + type: "integer", + minimum: 0, + default: 0, + }, + VariableDeclarator: { + oneOf: [ + ELEMENT_LIST_SCHEMA, + { + type: "object", + properties: { + var: ELEMENT_LIST_SCHEMA, + let: ELEMENT_LIST_SCHEMA, + const: ELEMENT_LIST_SCHEMA, + }, + additionalProperties: false, + }, + ], + }, + outerIIFEBody: { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + enum: ["off"], + }, + ], + }, + MemberExpression: { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + enum: ["off"], + }, + ], + }, + FunctionDeclaration: { + type: "object", + properties: { + parameters: ELEMENT_LIST_SCHEMA, + body: { + type: "integer", + minimum: 0, + }, + }, + additionalProperties: false, + }, + FunctionExpression: { + type: "object", + properties: { + parameters: ELEMENT_LIST_SCHEMA, + body: { + type: "integer", + minimum: 0, + }, + }, + additionalProperties: false, + }, + StaticBlock: { + type: "object", + properties: { + body: { + type: "integer", + minimum: 0, + }, + }, + additionalProperties: false, + }, + CallExpression: { + type: "object", + properties: { + arguments: ELEMENT_LIST_SCHEMA, + }, + additionalProperties: false, + }, + ArrayExpression: ELEMENT_LIST_SCHEMA, + ObjectExpression: ELEMENT_LIST_SCHEMA, + ImportDeclaration: ELEMENT_LIST_SCHEMA, + flatTernaryExpressions: { + type: "boolean", + default: false, + }, + offsetTernaryExpressions: { + type: "boolean", + default: false, + }, + ignoredNodes: { + type: "array", + items: { + type: "string", + not: { + pattern: ":exit$", + }, + }, + }, + ignoreComments: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + messages: { + wrongIndentation: + "Expected indentation of {{expected}} but found {{actual}}.", + }, + }, + + create(context) { + const DEFAULT_VARIABLE_INDENT = 1; + const DEFAULT_PARAMETER_INDENT = 1; + const DEFAULT_FUNCTION_BODY_INDENT = 1; + + let indentType = "space"; + let indentSize = 4; + const options = { + SwitchCase: 0, + VariableDeclarator: { + var: DEFAULT_VARIABLE_INDENT, + let: DEFAULT_VARIABLE_INDENT, + const: DEFAULT_VARIABLE_INDENT, + }, + outerIIFEBody: 1, + FunctionDeclaration: { + parameters: DEFAULT_PARAMETER_INDENT, + body: DEFAULT_FUNCTION_BODY_INDENT, + }, + FunctionExpression: { + parameters: DEFAULT_PARAMETER_INDENT, + body: DEFAULT_FUNCTION_BODY_INDENT, + }, + StaticBlock: { + body: DEFAULT_FUNCTION_BODY_INDENT, + }, + CallExpression: { + arguments: DEFAULT_PARAMETER_INDENT, + }, + MemberExpression: 1, + ArrayExpression: 1, + ObjectExpression: 1, + ImportDeclaration: 1, + flatTernaryExpressions: false, + ignoredNodes: [], + ignoreComments: false, + }; + + if (context.options.length) { + if (context.options[0] === "tab") { + indentSize = 1; + indentType = "tab"; + } else { + indentSize = context.options[0]; + indentType = "space"; + } + + if (context.options[1]) { + Object.assign(options, context.options[1]); + + if ( + typeof options.VariableDeclarator === "number" || + options.VariableDeclarator === "first" + ) { + options.VariableDeclarator = { + var: options.VariableDeclarator, + let: options.VariableDeclarator, + const: options.VariableDeclarator, + }; + } + } + } + + const sourceCode = context.sourceCode; + const tokenInfo = new TokenInfo(sourceCode); + const offsets = new OffsetStorage( + tokenInfo, + indentSize, + indentType === "space" ? " " : "\t", + sourceCode.text.length, + ); + const parameterParens = new WeakSet(); + + /** + * Creates an error message for a line, given the expected/actual indentation. + * @param {number} expectedAmount The expected amount of indentation characters for this line + * @param {number} actualSpaces The actual number of indentation spaces that were found on this line + * @param {number} actualTabs The actual number of indentation tabs that were found on this line + * @returns {string} An error message for this line + */ + function createErrorMessageData( + expectedAmount, + actualSpaces, + actualTabs, + ) { + const expectedStatement = `${expectedAmount} ${indentType}${expectedAmount === 1 ? "" : "s"}`; // e.g. "2 tabs" + const foundSpacesWord = `space${actualSpaces === 1 ? "" : "s"}`; // e.g. "space" + const foundTabsWord = `tab${actualTabs === 1 ? "" : "s"}`; // e.g. "tabs" + let foundStatement; + + if (actualSpaces > 0) { + /* + * Abbreviate the message if the expected indentation is also spaces. + * e.g. 'Expected 4 spaces but found 2' rather than 'Expected 4 spaces but found 2 spaces' + */ + foundStatement = + indentType === "space" + ? actualSpaces + : `${actualSpaces} ${foundSpacesWord}`; + } else if (actualTabs > 0) { + foundStatement = + indentType === "tab" + ? actualTabs + : `${actualTabs} ${foundTabsWord}`; + } else { + foundStatement = "0"; + } + return { + expected: expectedStatement, + actual: foundStatement, + }; + } + + /** + * Reports a given indent violation + * @param {Token} token Token violating the indent rule + * @param {string} neededIndent Expected indentation string + * @returns {void} + */ + function report(token, neededIndent) { + const actualIndent = Array.from(tokenInfo.getTokenIndent(token)); + const numSpaces = actualIndent.filter(char => char === " ").length; + const numTabs = actualIndent.filter(char => char === "\t").length; + + context.report({ + node: token, + messageId: "wrongIndentation", + data: createErrorMessageData( + neededIndent.length, + numSpaces, + numTabs, + ), + loc: { + start: { line: token.loc.start.line, column: 0 }, + end: { + line: token.loc.start.line, + column: token.loc.start.column, + }, + }, + fix(fixer) { + const range = [ + token.range[0] - token.loc.start.column, + token.range[0], + ]; + const newText = neededIndent; + + return fixer.replaceTextRange(range, newText); + }, + }); + } + + /** + * Checks if a token's indentation is correct + * @param {Token} token Token to examine + * @param {string} desiredIndent Desired indentation of the string + * @returns {boolean} `true` if the token's indentation is correct + */ + function validateTokenIndent(token, desiredIndent) { + const indentation = tokenInfo.getTokenIndent(token); + + return ( + indentation === desiredIndent || + // To avoid conflicts with no-mixed-spaces-and-tabs, don't report mixed spaces and tabs. + (indentation.includes(" ") && indentation.includes("\t")) + ); + } + + /** + * Check to see if the node is a file level IIFE + * @param {ASTNode} node The function node to check. + * @returns {boolean} True if the node is the outer IIFE + */ + function isOuterIIFE(node) { + /* + * Verify that the node is an IIFE + */ + if ( + !node.parent || + node.parent.type !== "CallExpression" || + node.parent.callee !== node + ) { + return false; + } + + /* + * Navigate legal ancestors to determine whether this IIFE is outer. + * A "legal ancestor" is an expression or statement that causes the function to get executed immediately. + * For example, `!(function(){})()` is an outer IIFE even though it is preceded by a ! operator. + */ + let statement = node.parent && node.parent.parent; + + while ( + (statement.type === "UnaryExpression" && + ["!", "~", "+", "-"].includes(statement.operator)) || + statement.type === "AssignmentExpression" || + statement.type === "LogicalExpression" || + statement.type === "SequenceExpression" || + statement.type === "VariableDeclarator" + ) { + statement = statement.parent; + } + + return ( + (statement.type === "ExpressionStatement" || + statement.type === "VariableDeclaration") && + statement.parent.type === "Program" + ); + } + + /** + * Counts the number of linebreaks that follow the last non-whitespace character in a string + * @param {string} string The string to check + * @returns {number} The number of JavaScript linebreaks that follow the last non-whitespace character, + * or the total number of linebreaks if the string is all whitespace. + */ + function countTrailingLinebreaks(string) { + const trailingWhitespace = string.match(/\s*$/u)[0]; + const linebreakMatches = trailingWhitespace.match( + astUtils.createGlobalLinebreakMatcher(), + ); + + return linebreakMatches === null ? 0 : linebreakMatches.length; + } + + /** + * Check indentation for lists of elements (arrays, objects, function params) + * @param {ASTNode[]} elements List of elements that should be offset + * @param {Token} startToken The start token of the list that element should be aligned against, e.g. '[' + * @param {Token} endToken The end token of the list, e.g. ']' + * @param {number|string} offset The amount that the elements should be offset + * @returns {void} + */ + function addElementListIndent(elements, startToken, endToken, offset) { + /** + * Gets the first token of a given element, including surrounding parentheses. + * @param {ASTNode} element A node in the `elements` list + * @returns {Token} The first token of this element + */ + function getFirstToken(element) { + let token = sourceCode.getTokenBefore(element); + + while ( + astUtils.isOpeningParenToken(token) && + token !== startToken + ) { + token = sourceCode.getTokenBefore(token); + } + return sourceCode.getTokenAfter(token); + } + + // Run through all the tokens in the list, and offset them by one indent level (mainly for comments, other things will end up overridden) + offsets.setDesiredOffsets( + [startToken.range[1], endToken.range[0]], + startToken, + typeof offset === "number" ? offset : 1, + ); + offsets.setDesiredOffset(endToken, startToken, 0); + + // If the preference is "first" but there is no first element (e.g. sparse arrays w/ empty first slot), fall back to 1 level. + if (offset === "first" && elements.length && !elements[0]) { + return; + } + elements.forEach((element, index) => { + if (!element) { + // Skip holes in arrays + return; + } + if (offset === "off") { + // Ignore the first token of every element if the "off" option is used + offsets.ignoreToken(getFirstToken(element)); + } + + // Offset the following elements correctly relative to the first element + if (index === 0) { + return; + } + if ( + offset === "first" && + tokenInfo.isFirstTokenOfLine(getFirstToken(element)) + ) { + offsets.matchOffsetOf( + getFirstToken(elements[0]), + getFirstToken(element), + ); + } else { + const previousElement = elements[index - 1]; + const firstTokenOfPreviousElement = + previousElement && getFirstToken(previousElement); + const previousElementLastToken = + previousElement && + sourceCode.getLastToken(previousElement); + + if ( + previousElement && + previousElementLastToken.loc.end.line - + countTrailingLinebreaks( + previousElementLastToken.value, + ) > + startToken.loc.end.line + ) { + offsets.setDesiredOffsets( + [previousElement.range[1], element.range[1]], + firstTokenOfPreviousElement, + 0, + ); + } + } + }); + } + + /** + * Check and decide whether to check for indentation for blockless nodes + * Scenarios are for or while statements without braces around them + * @param {ASTNode} node node to examine + * @returns {void} + */ + function addBlocklessNodeIndent(node) { + if (node.type !== "BlockStatement") { + const lastParentToken = sourceCode.getTokenBefore( + node, + astUtils.isNotOpeningParenToken, + ); + + let firstBodyToken = sourceCode.getFirstToken(node); + let lastBodyToken = sourceCode.getLastToken(node); + + while ( + astUtils.isOpeningParenToken( + sourceCode.getTokenBefore(firstBodyToken), + ) && + astUtils.isClosingParenToken( + sourceCode.getTokenAfter(lastBodyToken), + ) + ) { + firstBodyToken = sourceCode.getTokenBefore(firstBodyToken); + lastBodyToken = sourceCode.getTokenAfter(lastBodyToken); + } + + offsets.setDesiredOffsets( + [firstBodyToken.range[0], lastBodyToken.range[1]], + lastParentToken, + 1, + ); + } + } + + /** + * Checks the indentation for nodes that are like function calls (`CallExpression` and `NewExpression`) + * @param {ASTNode} node A CallExpression or NewExpression node + * @returns {void} + */ + function addFunctionCallIndent(node) { + let openingParen; + + if (node.arguments.length) { + openingParen = sourceCode.getFirstTokenBetween( + node.callee, + node.arguments[0], + astUtils.isOpeningParenToken, + ); + } else { + openingParen = sourceCode.getLastToken(node, 1); + } + const closingParen = sourceCode.getLastToken(node); + + parameterParens.add(openingParen); + parameterParens.add(closingParen); + + /* + * If `?.` token exists, set desired offset for that. + * This logic is copied from `MemberExpression`'s. + */ + if (node.optional) { + const dotToken = sourceCode.getTokenAfter( + node.callee, + astUtils.isQuestionDotToken, + ); + const calleeParenCount = sourceCode.getTokensBetween( + node.callee, + dotToken, + { filter: astUtils.isClosingParenToken }, + ).length; + const firstTokenOfCallee = calleeParenCount + ? sourceCode.getTokenBefore(node.callee, { + skip: calleeParenCount - 1, + }) + : sourceCode.getFirstToken(node.callee); + const lastTokenOfCallee = sourceCode.getTokenBefore(dotToken); + const offsetBase = + lastTokenOfCallee.loc.end.line === + openingParen.loc.start.line + ? lastTokenOfCallee + : firstTokenOfCallee; + + offsets.setDesiredOffset(dotToken, offsetBase, 1); + } + + const offsetAfterToken = + node.callee.type === "TaggedTemplateExpression" + ? sourceCode.getFirstToken(node.callee.quasi) + : openingParen; + const offsetToken = sourceCode.getTokenBefore(offsetAfterToken); + + offsets.setDesiredOffset(openingParen, offsetToken, 0); + + addElementListIndent( + node.arguments, + openingParen, + closingParen, + options.CallExpression.arguments, + ); + } + + /** + * Checks the indentation of parenthesized values, given a list of tokens in a program + * @param {Token[]} tokens A list of tokens + * @returns {void} + */ + function addParensIndent(tokens) { + const parenStack = []; + const parenPairs = []; + + for (let i = 0; i < tokens.length; i++) { + const nextToken = tokens[i]; + + if (astUtils.isOpeningParenToken(nextToken)) { + parenStack.push(nextToken); + } else if (astUtils.isClosingParenToken(nextToken)) { + parenPairs.push({ + left: parenStack.pop(), + right: nextToken, + }); + } + } + + for (let i = parenPairs.length - 1; i >= 0; i--) { + const leftParen = parenPairs[i].left; + const rightParen = parenPairs[i].right; + + // We only want to handle parens around expressions, so exclude parentheses that are in function parameters and function call arguments. + if ( + !parameterParens.has(leftParen) && + !parameterParens.has(rightParen) + ) { + const parenthesizedTokens = new Set( + sourceCode.getTokensBetween(leftParen, rightParen), + ); + + parenthesizedTokens.forEach(token => { + if ( + !parenthesizedTokens.has( + offsets.getFirstDependency(token), + ) + ) { + offsets.setDesiredOffset(token, leftParen, 1); + } + }); + } + + offsets.setDesiredOffset(rightParen, leftParen, 0); + } + } + + /** + * Ignore all tokens within an unknown node whose offset do not depend + * on another token's offset within the unknown node + * @param {ASTNode} node Unknown Node + * @returns {void} + */ + function ignoreNode(node) { + const unknownNodeTokens = new Set( + sourceCode.getTokens(node, { includeComments: true }), + ); + + unknownNodeTokens.forEach(token => { + if (!unknownNodeTokens.has(offsets.getFirstDependency(token))) { + const firstTokenOfLine = + tokenInfo.getFirstTokenOfLine(token); + + if (token === firstTokenOfLine) { + offsets.ignoreToken(token); + } else { + offsets.setDesiredOffset(token, firstTokenOfLine, 0); + } + } + }); + } + + /** + * Check whether the given token is on the first line of a statement. + * @param {Token} token The token to check. + * @param {ASTNode} leafNode The expression node that the token belongs directly. + * @returns {boolean} `true` if the token is on the first line of a statement. + */ + function isOnFirstLineOfStatement(token, leafNode) { + let node = leafNode; + + while ( + node.parent && + !node.parent.type.endsWith("Statement") && + !node.parent.type.endsWith("Declaration") + ) { + node = node.parent; + } + node = node.parent; + + return !node || node.loc.start.line === token.loc.start.line; + } + + /** + * Check whether there are any blank (whitespace-only) lines between + * two tokens on separate lines. + * @param {Token} firstToken The first token. + * @param {Token} secondToken The second token. + * @returns {boolean} `true` if the tokens are on separate lines and + * there exists a blank line between them, `false` otherwise. + */ + function hasBlankLinesBetween(firstToken, secondToken) { + const firstTokenLine = firstToken.loc.end.line; + const secondTokenLine = secondToken.loc.start.line; + + if ( + firstTokenLine === secondTokenLine || + firstTokenLine === secondTokenLine - 1 + ) { + return false; + } + + for ( + let line = firstTokenLine + 1; + line < secondTokenLine; + ++line + ) { + if (!tokenInfo.firstTokensByLineNumber.has(line)) { + return true; + } + } + + return false; + } + + const ignoredNodeFirstTokens = new Set(); + + const baseOffsetListeners = { + "ArrayExpression, ArrayPattern"(node) { + const openingBracket = sourceCode.getFirstToken(node); + const closingBracket = sourceCode.getTokenAfter( + [...node.elements].reverse().find(_ => _) || openingBracket, + astUtils.isClosingBracketToken, + ); + + addElementListIndent( + node.elements, + openingBracket, + closingBracket, + options.ArrayExpression, + ); + }, + + "ObjectExpression, ObjectPattern"(node) { + const openingCurly = sourceCode.getFirstToken(node); + const closingCurly = sourceCode.getTokenAfter( + node.properties.length + ? node.properties.at(-1) + : openingCurly, + astUtils.isClosingBraceToken, + ); + + addElementListIndent( + node.properties, + openingCurly, + closingCurly, + options.ObjectExpression, + ); + }, + + ArrowFunctionExpression(node) { + const maybeOpeningParen = sourceCode.getFirstToken(node, { + skip: node.async ? 1 : 0, + }); + + if (astUtils.isOpeningParenToken(maybeOpeningParen)) { + const openingParen = maybeOpeningParen; + const closingParen = sourceCode.getTokenBefore( + node.body, + astUtils.isClosingParenToken, + ); + + parameterParens.add(openingParen); + parameterParens.add(closingParen); + addElementListIndent( + node.params, + openingParen, + closingParen, + options.FunctionExpression.parameters, + ); + } + + addBlocklessNodeIndent(node.body); + }, + + AssignmentExpression(node) { + const operator = sourceCode.getFirstTokenBetween( + node.left, + node.right, + token => token.value === node.operator, + ); + + offsets.setDesiredOffsets( + [operator.range[0], node.range[1]], + sourceCode.getLastToken(node.left), + 1, + ); + offsets.ignoreToken(operator); + offsets.ignoreToken(sourceCode.getTokenAfter(operator)); + }, + + "BinaryExpression, LogicalExpression"(node) { + const operator = sourceCode.getFirstTokenBetween( + node.left, + node.right, + token => token.value === node.operator, + ); + + /* + * For backwards compatibility, don't check BinaryExpression indents, e.g. + * var foo = bar && + * baz; + */ + + const tokenAfterOperator = sourceCode.getTokenAfter(operator); + + offsets.ignoreToken(operator); + offsets.ignoreToken(tokenAfterOperator); + offsets.setDesiredOffset(tokenAfterOperator, operator, 0); + }, + + "BlockStatement, ClassBody"(node) { + let blockIndentLevel; + + if (node.parent && isOuterIIFE(node.parent)) { + blockIndentLevel = options.outerIIFEBody; + } else if ( + node.parent && + (node.parent.type === "FunctionExpression" || + node.parent.type === "ArrowFunctionExpression") + ) { + blockIndentLevel = options.FunctionExpression.body; + } else if ( + node.parent && + node.parent.type === "FunctionDeclaration" + ) { + blockIndentLevel = options.FunctionDeclaration.body; + } else { + blockIndentLevel = 1; + } + + /* + * For blocks that aren't lone statements, ensure that the opening curly brace + * is aligned with the parent. + */ + if (!astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type)) { + offsets.setDesiredOffset( + sourceCode.getFirstToken(node), + sourceCode.getFirstToken(node.parent), + 0, + ); + } + + addElementListIndent( + node.body, + sourceCode.getFirstToken(node), + sourceCode.getLastToken(node), + blockIndentLevel, + ); + }, + + CallExpression: addFunctionCallIndent, + + "ClassDeclaration[superClass], ClassExpression[superClass]"(node) { + const classToken = sourceCode.getFirstToken(node); + const extendsToken = sourceCode.getTokenBefore( + node.superClass, + astUtils.isNotOpeningParenToken, + ); + + offsets.setDesiredOffsets( + [extendsToken.range[0], node.body.range[0]], + classToken, + 1, + ); + }, + + ConditionalExpression(node) { + const firstToken = sourceCode.getFirstToken(node); + + // `flatTernaryExpressions` option is for the following style: + // var a = + // foo > 0 ? bar : + // foo < 0 ? baz : + // /*else*/ qiz ; + if ( + !options.flatTernaryExpressions || + !astUtils.isTokenOnSameLine(node.test, node.consequent) || + isOnFirstLineOfStatement(firstToken, node) + ) { + const questionMarkToken = sourceCode.getFirstTokenBetween( + node.test, + node.consequent, + token => + token.type === "Punctuator" && token.value === "?", + ); + const colonToken = sourceCode.getFirstTokenBetween( + node.consequent, + node.alternate, + token => + token.type === "Punctuator" && token.value === ":", + ); + + const firstConsequentToken = + sourceCode.getTokenAfter(questionMarkToken); + const lastConsequentToken = + sourceCode.getTokenBefore(colonToken); + const firstAlternateToken = + sourceCode.getTokenAfter(colonToken); + + offsets.setDesiredOffset(questionMarkToken, firstToken, 1); + offsets.setDesiredOffset(colonToken, firstToken, 1); + + offsets.setDesiredOffset( + firstConsequentToken, + firstToken, + firstConsequentToken.type === "Punctuator" && + options.offsetTernaryExpressions + ? 2 + : 1, + ); + + /* + * The alternate and the consequent should usually have the same indentation. + * If they share part of a line, align the alternate against the first token of the consequent. + * This allows the alternate to be indented correctly in cases like this: + * foo ? ( + * bar + * ) : ( // this '(' is aligned with the '(' above, so it's considered to be aligned with `foo` + * baz // as a result, `baz` is offset by 1 rather than 2 + * ) + */ + if ( + lastConsequentToken.loc.end.line === + firstAlternateToken.loc.start.line + ) { + offsets.setDesiredOffset( + firstAlternateToken, + firstConsequentToken, + 0, + ); + } else { + /** + * If the alternate and consequent do not share part of a line, offset the alternate from the first + * token of the conditional expression. For example: + * foo ? bar + * : baz + * + * If `baz` were aligned with `bar` rather than being offset by 1 from `foo`, `baz` would end up + * having no expected indentation. + */ + offsets.setDesiredOffset( + firstAlternateToken, + firstToken, + firstAlternateToken.type === "Punctuator" && + options.offsetTernaryExpressions + ? 2 + : 1, + ); + } + } + }, + + "DoWhileStatement, WhileStatement, ForInStatement, ForOfStatement, WithStatement": + node => addBlocklessNodeIndent(node.body), + + ExportNamedDeclaration(node) { + if (node.declaration === null) { + const closingCurly = sourceCode.getLastToken( + node, + astUtils.isClosingBraceToken, + ); + + // Indent the specifiers in `export {foo, bar, baz}` + addElementListIndent( + node.specifiers, + sourceCode.getFirstToken(node, { skip: 1 }), + closingCurly, + 1, + ); + + if (node.source) { + // Indent everything after and including the `from` token in `export {foo, bar, baz} from 'qux'` + offsets.setDesiredOffsets( + [closingCurly.range[1], node.range[1]], + sourceCode.getFirstToken(node), + 1, + ); + } + } + }, + + ForStatement(node) { + const forOpeningParen = sourceCode.getFirstToken(node, 1); + + if (node.init) { + offsets.setDesiredOffsets( + node.init.range, + forOpeningParen, + 1, + ); + } + if (node.test) { + offsets.setDesiredOffsets( + node.test.range, + forOpeningParen, + 1, + ); + } + if (node.update) { + offsets.setDesiredOffsets( + node.update.range, + forOpeningParen, + 1, + ); + } + addBlocklessNodeIndent(node.body); + }, + + "FunctionDeclaration, FunctionExpression"(node) { + const closingParen = sourceCode.getTokenBefore(node.body); + const openingParen = sourceCode.getTokenBefore( + node.params.length ? node.params[0] : closingParen, + ); + + parameterParens.add(openingParen); + parameterParens.add(closingParen); + addElementListIndent( + node.params, + openingParen, + closingParen, + options[node.type].parameters, + ); + }, + + IfStatement(node) { + addBlocklessNodeIndent(node.consequent); + if (node.alternate) { + addBlocklessNodeIndent(node.alternate); + } + }, + + /* + * For blockless nodes with semicolon-first style, don't indent the semicolon. + * e.g. + * if (foo) + * bar() + * ; [1, 2, 3].map(foo) + * + * Traversal into the node sets indentation of the semicolon, so we need to override it on exit. + */ + ":matches(DoWhileStatement, ForStatement, ForInStatement, ForOfStatement, IfStatement, WhileStatement, WithStatement):exit"( + node, + ) { + let nodesToCheck; + + if (node.type === "IfStatement") { + nodesToCheck = [node.consequent]; + if (node.alternate) { + nodesToCheck.push(node.alternate); + } + } else { + nodesToCheck = [node.body]; + } + + for (const nodeToCheck of nodesToCheck) { + const lastToken = sourceCode.getLastToken(nodeToCheck); + + if (astUtils.isSemicolonToken(lastToken)) { + const tokenBeforeLast = + sourceCode.getTokenBefore(lastToken); + const tokenAfterLast = + sourceCode.getTokenAfter(lastToken); + + // override indentation of `;` only if its line looks like a semicolon-first style line + if ( + !astUtils.isTokenOnSameLine( + tokenBeforeLast, + lastToken, + ) && + tokenAfterLast && + astUtils.isTokenOnSameLine( + lastToken, + tokenAfterLast, + ) + ) { + offsets.setDesiredOffset( + lastToken, + sourceCode.getFirstToken(node), + 0, + ); + } + } + } + }, + + ImportDeclaration(node) { + if ( + node.specifiers.some( + specifier => specifier.type === "ImportSpecifier", + ) + ) { + const openingCurly = sourceCode.getFirstToken( + node, + astUtils.isOpeningBraceToken, + ); + const closingCurly = sourceCode.getLastToken( + node, + astUtils.isClosingBraceToken, + ); + + addElementListIndent( + node.specifiers.filter( + specifier => specifier.type === "ImportSpecifier", + ), + openingCurly, + closingCurly, + options.ImportDeclaration, + ); + } + + const fromToken = sourceCode.getLastToken( + node, + token => + token.type === "Identifier" && token.value === "from", + ); + const sourceToken = sourceCode.getLastToken( + node, + token => token.type === "String", + ); + const semiToken = sourceCode.getLastToken( + node, + token => token.type === "Punctuator" && token.value === ";", + ); + + if (fromToken) { + const end = + semiToken && semiToken.range[1] === sourceToken.range[1] + ? node.range[1] + : sourceToken.range[1]; + + offsets.setDesiredOffsets( + [fromToken.range[0], end], + sourceCode.getFirstToken(node), + 1, + ); + } + }, + + ImportExpression(node) { + const openingParen = sourceCode.getFirstToken(node, 1); + const closingParen = sourceCode.getLastToken(node); + + parameterParens.add(openingParen); + parameterParens.add(closingParen); + offsets.setDesiredOffset( + openingParen, + sourceCode.getTokenBefore(openingParen), + 0, + ); + + addElementListIndent( + [node.source], + openingParen, + closingParen, + options.CallExpression.arguments, + ); + }, + + "MemberExpression, JSXMemberExpression, MetaProperty"(node) { + const object = + node.type === "MetaProperty" ? node.meta : node.object; + const firstNonObjectToken = sourceCode.getFirstTokenBetween( + object, + node.property, + astUtils.isNotClosingParenToken, + ); + const secondNonObjectToken = + sourceCode.getTokenAfter(firstNonObjectToken); + + const objectParenCount = sourceCode.getTokensBetween( + object, + node.property, + { filter: astUtils.isClosingParenToken }, + ).length; + const firstObjectToken = objectParenCount + ? sourceCode.getTokenBefore(object, { + skip: objectParenCount - 1, + }) + : sourceCode.getFirstToken(object); + const lastObjectToken = + sourceCode.getTokenBefore(firstNonObjectToken); + const firstPropertyToken = node.computed + ? firstNonObjectToken + : secondNonObjectToken; + + if (node.computed) { + // For computed MemberExpressions, match the closing bracket with the opening bracket. + offsets.setDesiredOffset( + sourceCode.getLastToken(node), + firstNonObjectToken, + 0, + ); + offsets.setDesiredOffsets( + node.property.range, + firstNonObjectToken, + 1, + ); + } + + /* + * If the object ends on the same line that the property starts, match against the last token + * of the object, to ensure that the MemberExpression is not indented. + * + * Otherwise, match against the first token of the object, e.g. + * foo + * .bar + * .baz // <-- offset by 1 from `foo` + */ + const offsetBase = + lastObjectToken.loc.end.line === + firstPropertyToken.loc.start.line + ? lastObjectToken + : firstObjectToken; + + if (typeof options.MemberExpression === "number") { + // Match the dot (for non-computed properties) or the opening bracket (for computed properties) against the object. + offsets.setDesiredOffset( + firstNonObjectToken, + offsetBase, + options.MemberExpression, + ); + + /* + * For computed MemberExpressions, match the first token of the property against the opening bracket. + * Otherwise, match the first token of the property against the object. + */ + offsets.setDesiredOffset( + secondNonObjectToken, + node.computed ? firstNonObjectToken : offsetBase, + options.MemberExpression, + ); + } else { + // If the MemberExpression option is off, ignore the dot and the first token of the property. + offsets.ignoreToken(firstNonObjectToken); + offsets.ignoreToken(secondNonObjectToken); + + // To ignore the property indentation, ensure that the property tokens depend on the ignored tokens. + offsets.setDesiredOffset( + firstNonObjectToken, + offsetBase, + 0, + ); + offsets.setDesiredOffset( + secondNonObjectToken, + firstNonObjectToken, + 0, + ); + } + }, + + NewExpression(node) { + // Only indent the arguments if the NewExpression has parens (e.g. `new Foo(bar)` or `new Foo()`, but not `new Foo` + if ( + node.arguments.length > 0 || + (astUtils.isClosingParenToken( + sourceCode.getLastToken(node), + ) && + astUtils.isOpeningParenToken( + sourceCode.getLastToken(node, 1), + )) + ) { + addFunctionCallIndent(node); + } + }, + + Property(node) { + if (!node.shorthand && !node.method && node.kind === "init") { + const colon = sourceCode.getFirstTokenBetween( + node.key, + node.value, + astUtils.isColonToken, + ); + + offsets.ignoreToken(sourceCode.getTokenAfter(colon)); + } + }, + + PropertyDefinition(node) { + const firstToken = sourceCode.getFirstToken(node); + const maybeSemicolonToken = sourceCode.getLastToken(node); + let keyLastToken; + + // Indent key. + if (node.computed) { + const bracketTokenL = sourceCode.getTokenBefore( + node.key, + astUtils.isOpeningBracketToken, + ); + const bracketTokenR = (keyLastToken = + sourceCode.getTokenAfter( + node.key, + astUtils.isClosingBracketToken, + )); + const keyRange = [ + bracketTokenL.range[1], + bracketTokenR.range[0], + ]; + + if (bracketTokenL !== firstToken) { + offsets.setDesiredOffset(bracketTokenL, firstToken, 0); + } + offsets.setDesiredOffsets(keyRange, bracketTokenL, 1); + offsets.setDesiredOffset(bracketTokenR, bracketTokenL, 0); + } else { + const idToken = (keyLastToken = sourceCode.getFirstToken( + node.key, + )); + + if (idToken !== firstToken) { + offsets.setDesiredOffset(idToken, firstToken, 1); + } + } + + // Indent initializer. + if (node.value) { + const eqToken = sourceCode.getTokenBefore( + node.value, + astUtils.isEqToken, + ); + const valueToken = sourceCode.getTokenAfter(eqToken); + + offsets.setDesiredOffset(eqToken, keyLastToken, 1); + offsets.setDesiredOffset(valueToken, eqToken, 1); + if (astUtils.isSemicolonToken(maybeSemicolonToken)) { + offsets.setDesiredOffset( + maybeSemicolonToken, + eqToken, + 1, + ); + } + } else if (astUtils.isSemicolonToken(maybeSemicolonToken)) { + offsets.setDesiredOffset( + maybeSemicolonToken, + keyLastToken, + 1, + ); + } + }, + + StaticBlock(node) { + const openingCurly = sourceCode.getFirstToken(node, { + skip: 1, + }); // skip the `static` token + const closingCurly = sourceCode.getLastToken(node); + + addElementListIndent( + node.body, + openingCurly, + closingCurly, + options.StaticBlock.body, + ); + }, + + SwitchStatement(node) { + const openingCurly = sourceCode.getTokenAfter( + node.discriminant, + astUtils.isOpeningBraceToken, + ); + const closingCurly = sourceCode.getLastToken(node); + + offsets.setDesiredOffsets( + [openingCurly.range[1], closingCurly.range[0]], + openingCurly, + options.SwitchCase, + ); + + if (node.cases.length) { + sourceCode + .getTokensBetween(node.cases.at(-1), closingCurly, { + includeComments: true, + filter: astUtils.isCommentToken, + }) + .forEach(token => offsets.ignoreToken(token)); + } + }, + + SwitchCase(node) { + if ( + !( + node.consequent.length === 1 && + node.consequent[0].type === "BlockStatement" + ) + ) { + const caseKeyword = sourceCode.getFirstToken(node); + const tokenAfterCurrentCase = + sourceCode.getTokenAfter(node); + + offsets.setDesiredOffsets( + [caseKeyword.range[1], tokenAfterCurrentCase.range[0]], + caseKeyword, + 1, + ); + } + }, + + TemplateLiteral(node) { + node.expressions.forEach((expression, index) => { + const previousQuasi = node.quasis[index]; + const nextQuasi = node.quasis[index + 1]; + const tokenToAlignFrom = + previousQuasi.loc.start.line === + previousQuasi.loc.end.line + ? sourceCode.getFirstToken(previousQuasi) + : null; + + offsets.setDesiredOffsets( + [previousQuasi.range[1], nextQuasi.range[0]], + tokenToAlignFrom, + 1, + ); + offsets.setDesiredOffset( + sourceCode.getFirstToken(nextQuasi), + tokenToAlignFrom, + 0, + ); + }); + }, + + VariableDeclaration(node) { + let variableIndent = Object.hasOwn( + options.VariableDeclarator, + node.kind, + ) + ? options.VariableDeclarator[node.kind] + : DEFAULT_VARIABLE_INDENT; + + const firstToken = sourceCode.getFirstToken(node), + lastToken = sourceCode.getLastToken(node); + + if (options.VariableDeclarator[node.kind] === "first") { + if (node.declarations.length > 1) { + addElementListIndent( + node.declarations, + firstToken, + lastToken, + "first", + ); + return; + } + + variableIndent = DEFAULT_VARIABLE_INDENT; + } + + if ( + node.declarations.at(-1).loc.start.line > + node.loc.start.line + ) { + /* + * VariableDeclarator indentation is a bit different from other forms of indentation, in that the + * indentation of an opening bracket sometimes won't match that of a closing bracket. For example, + * the following indentations are correct: + * + * var foo = { + * ok: true + * }; + * + * var foo = { + * ok: true, + * }, + * bar = 1; + * + * Account for when exiting the AST (after indentations have already been set for the nodes in + * the declaration) by manually increasing the indentation level of the tokens in this declarator + * on the same line as the start of the declaration, provided that there are declarators that + * follow this one. + */ + offsets.setDesiredOffsets( + node.range, + firstToken, + variableIndent, + true, + ); + } else { + offsets.setDesiredOffsets( + node.range, + firstToken, + variableIndent, + ); + } + + if (astUtils.isSemicolonToken(lastToken)) { + offsets.ignoreToken(lastToken); + } + }, + + VariableDeclarator(node) { + if (node.init) { + const equalOperator = sourceCode.getTokenBefore( + node.init, + astUtils.isNotOpeningParenToken, + ); + const tokenAfterOperator = + sourceCode.getTokenAfter(equalOperator); + + offsets.ignoreToken(equalOperator); + offsets.ignoreToken(tokenAfterOperator); + offsets.setDesiredOffsets( + [tokenAfterOperator.range[0], node.range[1]], + equalOperator, + 1, + ); + offsets.setDesiredOffset( + equalOperator, + sourceCode.getLastToken(node.id), + 0, + ); + } + }, + + "JSXAttribute[value]"(node) { + const equalsToken = sourceCode.getFirstTokenBetween( + node.name, + node.value, + token => token.type === "Punctuator" && token.value === "=", + ); + + offsets.setDesiredOffsets( + [equalsToken.range[0], node.value.range[1]], + sourceCode.getFirstToken(node.name), + 1, + ); + }, + + JSXElement(node) { + if (node.closingElement) { + addElementListIndent( + node.children, + sourceCode.getFirstToken(node.openingElement), + sourceCode.getFirstToken(node.closingElement), + 1, + ); + } + }, + + JSXOpeningElement(node) { + const firstToken = sourceCode.getFirstToken(node); + let closingToken; + + if (node.selfClosing) { + closingToken = sourceCode.getLastToken(node, { skip: 1 }); + offsets.setDesiredOffset( + sourceCode.getLastToken(node), + closingToken, + 0, + ); + } else { + closingToken = sourceCode.getLastToken(node); + } + offsets.setDesiredOffsets( + node.name.range, + sourceCode.getFirstToken(node), + ); + addElementListIndent( + node.attributes, + firstToken, + closingToken, + 1, + ); + }, + + JSXClosingElement(node) { + const firstToken = sourceCode.getFirstToken(node); + + offsets.setDesiredOffsets(node.name.range, firstToken, 1); + }, + + JSXFragment(node) { + const firstOpeningToken = sourceCode.getFirstToken( + node.openingFragment, + ); + const firstClosingToken = sourceCode.getFirstToken( + node.closingFragment, + ); + + addElementListIndent( + node.children, + firstOpeningToken, + firstClosingToken, + 1, + ); + }, + + JSXOpeningFragment(node) { + const firstToken = sourceCode.getFirstToken(node); + const closingToken = sourceCode.getLastToken(node); + + offsets.setDesiredOffsets(node.range, firstToken, 1); + offsets.matchOffsetOf(firstToken, closingToken); + }, + + JSXClosingFragment(node) { + const firstToken = sourceCode.getFirstToken(node); + const slashToken = sourceCode.getLastToken(node, { skip: 1 }); + const closingToken = sourceCode.getLastToken(node); + const tokenToMatch = astUtils.isTokenOnSameLine( + slashToken, + closingToken, + ) + ? slashToken + : closingToken; + + offsets.setDesiredOffsets(node.range, firstToken, 1); + offsets.matchOffsetOf(firstToken, tokenToMatch); + }, + + JSXExpressionContainer(node) { + const openingCurly = sourceCode.getFirstToken(node); + const closingCurly = sourceCode.getLastToken(node); + + offsets.setDesiredOffsets( + [openingCurly.range[1], closingCurly.range[0]], + openingCurly, + 1, + ); + }, + + JSXSpreadAttribute(node) { + const openingCurly = sourceCode.getFirstToken(node); + const closingCurly = sourceCode.getLastToken(node); + + offsets.setDesiredOffsets( + [openingCurly.range[1], closingCurly.range[0]], + openingCurly, + 1, + ); + }, + + "*"(node) { + const firstToken = sourceCode.getFirstToken(node); + + // Ensure that the children of every node are indented at least as much as the first token. + if (firstToken && !ignoredNodeFirstTokens.has(firstToken)) { + offsets.setDesiredOffsets(node.range, firstToken, 0); + } + }, + }; + + const listenerCallQueue = []; + + /* + * To ignore the indentation of a node: + * 1. Don't call the node's listener when entering it (if it has a listener) + * 2. Don't set any offsets against the first token of the node. + * 3. Call `ignoreNode` on the node sometime after exiting it and before validating offsets. + */ + const offsetListeners = {}; + + for (const [selector, listener] of Object.entries( + baseOffsetListeners, + )) { + /* + * Offset listener calls are deferred until traversal is finished, and are called as + * part of the final `Program:exit` listener. This is necessary because a node might + * be matched by multiple selectors. + * + * Example: Suppose there is an offset listener for `Identifier`, and the user has + * specified in configuration that `MemberExpression > Identifier` should be ignored. + * Due to selector specificity rules, the `Identifier` listener will get called first. However, + * if a given Identifier node is supposed to be ignored, then the `Identifier` offset listener + * should not have been called at all. Without doing extra selector matching, we don't know + * whether the Identifier matches the `MemberExpression > Identifier` selector until the + * `MemberExpression > Identifier` listener is called. + * + * To avoid this, the `Identifier` listener isn't called until traversal finishes and all + * ignored nodes are known. + */ + offsetListeners[selector] = node => + listenerCallQueue.push({ listener, node }); + } + + // For each ignored node selector, set up a listener to collect it into the `ignoredNodes` set. + const ignoredNodes = new Set(); + + /** + * Ignores a node + * @param {ASTNode} node The node to ignore + * @returns {void} + */ + function addToIgnoredNodes(node) { + ignoredNodes.add(node); + ignoredNodeFirstTokens.add(sourceCode.getFirstToken(node)); + } + + const ignoredNodeListeners = options.ignoredNodes.reduce( + (listeners, ignoredSelector) => + Object.assign(listeners, { + [ignoredSelector]: addToIgnoredNodes, + }), + {}, + ); + + /* + * Join the listeners, and add a listener to verify that all tokens actually have the correct indentation + * at the end. + * + * Using Object.assign will cause some offset listeners to be overwritten if the same selector also appears + * in `ignoredNodeListeners`. This isn't a problem because all of the matching nodes will be ignored, + * so those listeners wouldn't be called anyway. + */ + return Object.assign(offsetListeners, ignoredNodeListeners, { + "*:exit"(node) { + // If a node's type is nonstandard, we can't tell how its children should be offset, so ignore it. + if (!KNOWN_NODES.has(node.type)) { + addToIgnoredNodes(node); + } + }, + "Program:exit"() { + // If ignoreComments option is enabled, ignore all comment tokens. + if (options.ignoreComments) { + sourceCode + .getAllComments() + .forEach(comment => offsets.ignoreToken(comment)); + } + + // Invoke the queued offset listeners for the nodes that aren't ignored. + for (let i = 0; i < listenerCallQueue.length; i++) { + const nodeInfo = listenerCallQueue[i]; + + if (!ignoredNodes.has(nodeInfo.node)) { + nodeInfo.listener(nodeInfo.node); + } + } + + // Update the offsets for ignored nodes to prevent their child tokens from being reported. + ignoredNodes.forEach(ignoreNode); + + addParensIndent(sourceCode.ast.tokens); + + /* + * Create a Map from (tokenOrComment) => (precedingToken). + * This is necessary because sourceCode.getTokenBefore does not handle a comment as an argument correctly. + */ + const precedingTokens = new WeakMap(); + + for (let i = 0; i < sourceCode.ast.comments.length; i++) { + const comment = sourceCode.ast.comments[i]; + + const tokenOrCommentBefore = sourceCode.getTokenBefore( + comment, + { includeComments: true }, + ); + const hasToken = precedingTokens.has(tokenOrCommentBefore) + ? precedingTokens.get(tokenOrCommentBefore) + : tokenOrCommentBefore; + + precedingTokens.set(comment, hasToken); + } + + for (let i = 1; i < sourceCode.lines.length + 1; i++) { + if (!tokenInfo.firstTokensByLineNumber.has(i)) { + // Don't check indentation on blank lines + continue; + } + + const firstTokenOfLine = + tokenInfo.firstTokensByLineNumber.get(i); + + if (firstTokenOfLine.loc.start.line !== i) { + // Don't check the indentation of multi-line tokens (e.g. template literals or block comments) twice. + continue; + } + + if (astUtils.isCommentToken(firstTokenOfLine)) { + const tokenBefore = + precedingTokens.get(firstTokenOfLine); + const tokenAfter = tokenBefore + ? sourceCode.getTokenAfter(tokenBefore) + : sourceCode.ast.tokens[0]; + const mayAlignWithBefore = + tokenBefore && + !hasBlankLinesBetween( + tokenBefore, + firstTokenOfLine, + ); + const mayAlignWithAfter = + tokenAfter && + !hasBlankLinesBetween(firstTokenOfLine, tokenAfter); + + /* + * If a comment precedes a line that begins with a semicolon token, align to that token, i.e. + * + * let foo + * // comment + * ;(async () => {})() + */ + if ( + tokenAfter && + astUtils.isSemicolonToken(tokenAfter) && + !astUtils.isTokenOnSameLine( + firstTokenOfLine, + tokenAfter, + ) + ) { + offsets.setDesiredOffset( + firstTokenOfLine, + tokenAfter, + 0, + ); + } + + // If a comment matches the expected indentation of the token immediately before or after, don't report it. + if ( + (mayAlignWithBefore && + validateTokenIndent( + firstTokenOfLine, + offsets.getDesiredIndent(tokenBefore), + )) || + (mayAlignWithAfter && + validateTokenIndent( + firstTokenOfLine, + offsets.getDesiredIndent(tokenAfter), + )) + ) { + continue; + } + } + + // If the token matches the expected indentation, don't report it. + if ( + validateTokenIndent( + firstTokenOfLine, + offsets.getDesiredIndent(firstTokenOfLine), + ) + ) { + continue; + } + + // Otherwise, report the token/comment. + report( + firstTokenOfLine, + offsets.getDesiredIndent(firstTokenOfLine), + ); + } + }, + }); + }, +}; diff --git a/module/node_modules/eslint/lib/rules/index.js b/module/node_modules/eslint/lib/rules/index.js new file mode 100644 index 000000000..a750e0872 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/index.js @@ -0,0 +1,332 @@ +/** + * @fileoverview Collects the built-in rules into a map structure so that they can be imported all at once and without + * using the file-system directly. + * @author Peter (Somogyvari) Metz + */ + +"use strict"; + +/* eslint sort-keys: ["error", "asc"] -- More readable for long list */ + +const { LazyLoadingRuleMap } = require("./utils/lazy-loading-rule-map"); + +/** @type {Map} */ +module.exports = new LazyLoadingRuleMap( + Object.entries({ + "accessor-pairs": () => require("./accessor-pairs"), + "array-bracket-newline": () => require("./array-bracket-newline"), + "array-bracket-spacing": () => require("./array-bracket-spacing"), + "array-callback-return": () => require("./array-callback-return"), + "array-element-newline": () => require("./array-element-newline"), + "arrow-body-style": () => require("./arrow-body-style"), + "arrow-parens": () => require("./arrow-parens"), + "arrow-spacing": () => require("./arrow-spacing"), + "block-scoped-var": () => require("./block-scoped-var"), + "block-spacing": () => require("./block-spacing"), + "brace-style": () => require("./brace-style"), + "callback-return": () => require("./callback-return"), + camelcase: () => require("./camelcase"), + "capitalized-comments": () => require("./capitalized-comments"), + "class-methods-use-this": () => require("./class-methods-use-this"), + "comma-dangle": () => require("./comma-dangle"), + "comma-spacing": () => require("./comma-spacing"), + "comma-style": () => require("./comma-style"), + complexity: () => require("./complexity"), + "computed-property-spacing": () => + require("./computed-property-spacing"), + "consistent-return": () => require("./consistent-return"), + "consistent-this": () => require("./consistent-this"), + "constructor-super": () => require("./constructor-super"), + curly: () => require("./curly"), + "default-case": () => require("./default-case"), + "default-case-last": () => require("./default-case-last"), + "default-param-last": () => require("./default-param-last"), + "dot-location": () => require("./dot-location"), + "dot-notation": () => require("./dot-notation"), + "eol-last": () => require("./eol-last"), + eqeqeq: () => require("./eqeqeq"), + "for-direction": () => require("./for-direction"), + "func-call-spacing": () => require("./func-call-spacing"), + "func-name-matching": () => require("./func-name-matching"), + "func-names": () => require("./func-names"), + "func-style": () => require("./func-style"), + "function-call-argument-newline": () => + require("./function-call-argument-newline"), + "function-paren-newline": () => require("./function-paren-newline"), + "generator-star-spacing": () => require("./generator-star-spacing"), + "getter-return": () => require("./getter-return"), + "global-require": () => require("./global-require"), + "grouped-accessor-pairs": () => require("./grouped-accessor-pairs"), + "guard-for-in": () => require("./guard-for-in"), + "handle-callback-err": () => require("./handle-callback-err"), + "id-blacklist": () => require("./id-blacklist"), + "id-denylist": () => require("./id-denylist"), + "id-length": () => require("./id-length"), + "id-match": () => require("./id-match"), + "implicit-arrow-linebreak": () => require("./implicit-arrow-linebreak"), + indent: () => require("./indent"), + "indent-legacy": () => require("./indent-legacy"), + "init-declarations": () => require("./init-declarations"), + "jsx-quotes": () => require("./jsx-quotes"), + "key-spacing": () => require("./key-spacing"), + "keyword-spacing": () => require("./keyword-spacing"), + "line-comment-position": () => require("./line-comment-position"), + "linebreak-style": () => require("./linebreak-style"), + "lines-around-comment": () => require("./lines-around-comment"), + "lines-around-directive": () => require("./lines-around-directive"), + "lines-between-class-members": () => + require("./lines-between-class-members"), + "logical-assignment-operators": () => + require("./logical-assignment-operators"), + "max-classes-per-file": () => require("./max-classes-per-file"), + "max-depth": () => require("./max-depth"), + "max-len": () => require("./max-len"), + "max-lines": () => require("./max-lines"), + "max-lines-per-function": () => require("./max-lines-per-function"), + "max-nested-callbacks": () => require("./max-nested-callbacks"), + "max-params": () => require("./max-params"), + "max-statements": () => require("./max-statements"), + "max-statements-per-line": () => require("./max-statements-per-line"), + "multiline-comment-style": () => require("./multiline-comment-style"), + "multiline-ternary": () => require("./multiline-ternary"), + "new-cap": () => require("./new-cap"), + "new-parens": () => require("./new-parens"), + "newline-after-var": () => require("./newline-after-var"), + "newline-before-return": () => require("./newline-before-return"), + "newline-per-chained-call": () => require("./newline-per-chained-call"), + "no-alert": () => require("./no-alert"), + "no-array-constructor": () => require("./no-array-constructor"), + "no-async-promise-executor": () => + require("./no-async-promise-executor"), + "no-await-in-loop": () => require("./no-await-in-loop"), + "no-bitwise": () => require("./no-bitwise"), + "no-buffer-constructor": () => require("./no-buffer-constructor"), + "no-caller": () => require("./no-caller"), + "no-case-declarations": () => require("./no-case-declarations"), + "no-catch-shadow": () => require("./no-catch-shadow"), + "no-class-assign": () => require("./no-class-assign"), + "no-compare-neg-zero": () => require("./no-compare-neg-zero"), + "no-cond-assign": () => require("./no-cond-assign"), + "no-confusing-arrow": () => require("./no-confusing-arrow"), + "no-console": () => require("./no-console"), + "no-const-assign": () => require("./no-const-assign"), + "no-constant-binary-expression": () => + require("./no-constant-binary-expression"), + "no-constant-condition": () => require("./no-constant-condition"), + "no-constructor-return": () => require("./no-constructor-return"), + "no-continue": () => require("./no-continue"), + "no-control-regex": () => require("./no-control-regex"), + "no-debugger": () => require("./no-debugger"), + "no-delete-var": () => require("./no-delete-var"), + "no-div-regex": () => require("./no-div-regex"), + "no-dupe-args": () => require("./no-dupe-args"), + "no-dupe-class-members": () => require("./no-dupe-class-members"), + "no-dupe-else-if": () => require("./no-dupe-else-if"), + "no-dupe-keys": () => require("./no-dupe-keys"), + "no-duplicate-case": () => require("./no-duplicate-case"), + "no-duplicate-imports": () => require("./no-duplicate-imports"), + "no-else-return": () => require("./no-else-return"), + "no-empty": () => require("./no-empty"), + "no-empty-character-class": () => require("./no-empty-character-class"), + "no-empty-function": () => require("./no-empty-function"), + "no-empty-pattern": () => require("./no-empty-pattern"), + "no-empty-static-block": () => require("./no-empty-static-block"), + "no-eq-null": () => require("./no-eq-null"), + "no-eval": () => require("./no-eval"), + "no-ex-assign": () => require("./no-ex-assign"), + "no-extend-native": () => require("./no-extend-native"), + "no-extra-bind": () => require("./no-extra-bind"), + "no-extra-boolean-cast": () => require("./no-extra-boolean-cast"), + "no-extra-label": () => require("./no-extra-label"), + "no-extra-parens": () => require("./no-extra-parens"), + "no-extra-semi": () => require("./no-extra-semi"), + "no-fallthrough": () => require("./no-fallthrough"), + "no-floating-decimal": () => require("./no-floating-decimal"), + "no-func-assign": () => require("./no-func-assign"), + "no-global-assign": () => require("./no-global-assign"), + "no-implicit-coercion": () => require("./no-implicit-coercion"), + "no-implicit-globals": () => require("./no-implicit-globals"), + "no-implied-eval": () => require("./no-implied-eval"), + "no-import-assign": () => require("./no-import-assign"), + "no-inline-comments": () => require("./no-inline-comments"), + "no-inner-declarations": () => require("./no-inner-declarations"), + "no-invalid-regexp": () => require("./no-invalid-regexp"), + "no-invalid-this": () => require("./no-invalid-this"), + "no-irregular-whitespace": () => require("./no-irregular-whitespace"), + "no-iterator": () => require("./no-iterator"), + "no-label-var": () => require("./no-label-var"), + "no-labels": () => require("./no-labels"), + "no-lone-blocks": () => require("./no-lone-blocks"), + "no-lonely-if": () => require("./no-lonely-if"), + "no-loop-func": () => require("./no-loop-func"), + "no-loss-of-precision": () => require("./no-loss-of-precision"), + "no-magic-numbers": () => require("./no-magic-numbers"), + "no-misleading-character-class": () => + require("./no-misleading-character-class"), + "no-mixed-operators": () => require("./no-mixed-operators"), + "no-mixed-requires": () => require("./no-mixed-requires"), + "no-mixed-spaces-and-tabs": () => require("./no-mixed-spaces-and-tabs"), + "no-multi-assign": () => require("./no-multi-assign"), + "no-multi-spaces": () => require("./no-multi-spaces"), + "no-multi-str": () => require("./no-multi-str"), + "no-multiple-empty-lines": () => require("./no-multiple-empty-lines"), + "no-native-reassign": () => require("./no-native-reassign"), + "no-negated-condition": () => require("./no-negated-condition"), + "no-negated-in-lhs": () => require("./no-negated-in-lhs"), + "no-nested-ternary": () => require("./no-nested-ternary"), + "no-new": () => require("./no-new"), + "no-new-func": () => require("./no-new-func"), + "no-new-native-nonconstructor": () => + require("./no-new-native-nonconstructor"), + "no-new-object": () => require("./no-new-object"), + "no-new-require": () => require("./no-new-require"), + "no-new-symbol": () => require("./no-new-symbol"), + "no-new-wrappers": () => require("./no-new-wrappers"), + "no-nonoctal-decimal-escape": () => + require("./no-nonoctal-decimal-escape"), + "no-obj-calls": () => require("./no-obj-calls"), + "no-object-constructor": () => require("./no-object-constructor"), + "no-octal": () => require("./no-octal"), + "no-octal-escape": () => require("./no-octal-escape"), + "no-param-reassign": () => require("./no-param-reassign"), + "no-path-concat": () => require("./no-path-concat"), + "no-plusplus": () => require("./no-plusplus"), + "no-process-env": () => require("./no-process-env"), + "no-process-exit": () => require("./no-process-exit"), + "no-promise-executor-return": () => + require("./no-promise-executor-return"), + "no-proto": () => require("./no-proto"), + "no-prototype-builtins": () => require("./no-prototype-builtins"), + "no-redeclare": () => require("./no-redeclare"), + "no-regex-spaces": () => require("./no-regex-spaces"), + "no-restricted-exports": () => require("./no-restricted-exports"), + "no-restricted-globals": () => require("./no-restricted-globals"), + "no-restricted-imports": () => require("./no-restricted-imports"), + "no-restricted-modules": () => require("./no-restricted-modules"), + "no-restricted-properties": () => require("./no-restricted-properties"), + "no-restricted-syntax": () => require("./no-restricted-syntax"), + "no-return-assign": () => require("./no-return-assign"), + "no-return-await": () => require("./no-return-await"), + "no-script-url": () => require("./no-script-url"), + "no-self-assign": () => require("./no-self-assign"), + "no-self-compare": () => require("./no-self-compare"), + "no-sequences": () => require("./no-sequences"), + "no-setter-return": () => require("./no-setter-return"), + "no-shadow": () => require("./no-shadow"), + "no-shadow-restricted-names": () => + require("./no-shadow-restricted-names"), + "no-spaced-func": () => require("./no-spaced-func"), + "no-sparse-arrays": () => require("./no-sparse-arrays"), + "no-sync": () => require("./no-sync"), + "no-tabs": () => require("./no-tabs"), + "no-template-curly-in-string": () => + require("./no-template-curly-in-string"), + "no-ternary": () => require("./no-ternary"), + "no-this-before-super": () => require("./no-this-before-super"), + "no-throw-literal": () => require("./no-throw-literal"), + "no-trailing-spaces": () => require("./no-trailing-spaces"), + "no-unassigned-vars": () => require("./no-unassigned-vars"), + "no-undef": () => require("./no-undef"), + "no-undef-init": () => require("./no-undef-init"), + "no-undefined": () => require("./no-undefined"), + "no-underscore-dangle": () => require("./no-underscore-dangle"), + "no-unexpected-multiline": () => require("./no-unexpected-multiline"), + "no-unmodified-loop-condition": () => + require("./no-unmodified-loop-condition"), + "no-unneeded-ternary": () => require("./no-unneeded-ternary"), + "no-unreachable": () => require("./no-unreachable"), + "no-unreachable-loop": () => require("./no-unreachable-loop"), + "no-unsafe-finally": () => require("./no-unsafe-finally"), + "no-unsafe-negation": () => require("./no-unsafe-negation"), + "no-unsafe-optional-chaining": () => + require("./no-unsafe-optional-chaining"), + "no-unused-expressions": () => require("./no-unused-expressions"), + "no-unused-labels": () => require("./no-unused-labels"), + "no-unused-private-class-members": () => + require("./no-unused-private-class-members"), + "no-unused-vars": () => require("./no-unused-vars"), + "no-use-before-define": () => require("./no-use-before-define"), + "no-useless-assignment": () => require("./no-useless-assignment"), + "no-useless-backreference": () => require("./no-useless-backreference"), + "no-useless-call": () => require("./no-useless-call"), + "no-useless-catch": () => require("./no-useless-catch"), + "no-useless-computed-key": () => require("./no-useless-computed-key"), + "no-useless-concat": () => require("./no-useless-concat"), + "no-useless-constructor": () => require("./no-useless-constructor"), + "no-useless-escape": () => require("./no-useless-escape"), + "no-useless-rename": () => require("./no-useless-rename"), + "no-useless-return": () => require("./no-useless-return"), + "no-var": () => require("./no-var"), + "no-void": () => require("./no-void"), + "no-warning-comments": () => require("./no-warning-comments"), + "no-whitespace-before-property": () => + require("./no-whitespace-before-property"), + "no-with": () => require("./no-with"), + "nonblock-statement-body-position": () => + require("./nonblock-statement-body-position"), + "object-curly-newline": () => require("./object-curly-newline"), + "object-curly-spacing": () => require("./object-curly-spacing"), + "object-property-newline": () => require("./object-property-newline"), + "object-shorthand": () => require("./object-shorthand"), + "one-var": () => require("./one-var"), + "one-var-declaration-per-line": () => + require("./one-var-declaration-per-line"), + "operator-assignment": () => require("./operator-assignment"), + "operator-linebreak": () => require("./operator-linebreak"), + "padded-blocks": () => require("./padded-blocks"), + "padding-line-between-statements": () => + require("./padding-line-between-statements"), + "prefer-arrow-callback": () => require("./prefer-arrow-callback"), + "prefer-const": () => require("./prefer-const"), + "prefer-destructuring": () => require("./prefer-destructuring"), + "prefer-exponentiation-operator": () => + require("./prefer-exponentiation-operator"), + "prefer-named-capture-group": () => + require("./prefer-named-capture-group"), + "prefer-numeric-literals": () => require("./prefer-numeric-literals"), + "prefer-object-has-own": () => require("./prefer-object-has-own"), + "prefer-object-spread": () => require("./prefer-object-spread"), + "prefer-promise-reject-errors": () => + require("./prefer-promise-reject-errors"), + "prefer-reflect": () => require("./prefer-reflect"), + "prefer-regex-literals": () => require("./prefer-regex-literals"), + "prefer-rest-params": () => require("./prefer-rest-params"), + "prefer-spread": () => require("./prefer-spread"), + "prefer-template": () => require("./prefer-template"), + "preserve-caught-error": () => require("./preserve-caught-error"), + "quote-props": () => require("./quote-props"), + quotes: () => require("./quotes"), + radix: () => require("./radix"), + "require-atomic-updates": () => require("./require-atomic-updates"), + "require-await": () => require("./require-await"), + "require-unicode-regexp": () => require("./require-unicode-regexp"), + "require-yield": () => require("./require-yield"), + "rest-spread-spacing": () => require("./rest-spread-spacing"), + semi: () => require("./semi"), + "semi-spacing": () => require("./semi-spacing"), + "semi-style": () => require("./semi-style"), + "sort-imports": () => require("./sort-imports"), + "sort-keys": () => require("./sort-keys"), + "sort-vars": () => require("./sort-vars"), + "space-before-blocks": () => require("./space-before-blocks"), + "space-before-function-paren": () => + require("./space-before-function-paren"), + "space-in-parens": () => require("./space-in-parens"), + "space-infix-ops": () => require("./space-infix-ops"), + "space-unary-ops": () => require("./space-unary-ops"), + "spaced-comment": () => require("./spaced-comment"), + strict: () => require("./strict"), + "switch-colon-spacing": () => require("./switch-colon-spacing"), + "symbol-description": () => require("./symbol-description"), + "template-curly-spacing": () => require("./template-curly-spacing"), + "template-tag-spacing": () => require("./template-tag-spacing"), + "unicode-bom": () => require("./unicode-bom"), + "use-isnan": () => require("./use-isnan"), + "valid-typeof": () => require("./valid-typeof"), + "vars-on-top": () => require("./vars-on-top"), + "wrap-iife": () => require("./wrap-iife"), + "wrap-regex": () => require("./wrap-regex"), + "yield-star-spacing": () => require("./yield-star-spacing"), + yoda: () => require("./yoda"), + }), +); diff --git a/module/node_modules/eslint/lib/rules/init-declarations.js b/module/node_modules/eslint/lib/rules/init-declarations.js new file mode 100644 index 000000000..15dac379f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/init-declarations.js @@ -0,0 +1,172 @@ +/** + * @fileoverview A rule to control the style of variable initializations. + * @author Colin Ihrig + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const CONSTANT_BINDINGS = new Set(["const", "using", "await using"]); + +/** + * Checks whether or not a given node is a for loop. + * @param {ASTNode} block A node to check. + * @returns {boolean} `true` when the node is a for loop. + */ +function isForLoop(block) { + return ( + block.type === "ForInStatement" || + block.type === "ForOfStatement" || + block.type === "ForStatement" + ); +} + +/** + * Checks whether or not a given declarator node has its initializer. + * @param {ASTNode} node A declarator node to check. + * @returns {boolean} `true` when the node has its initializer. + */ +function isInitialized(node) { + const declaration = node.parent; + const block = declaration.parent; + + if (isForLoop(block)) { + if (block.type === "ForStatement") { + return block.init === declaration; + } + return block.left === declaration; + } + return Boolean(node.init); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + dialects: ["typescript", "javascript"], + language: "javascript", + + docs: { + description: + "Require or disallow initialization in variable declarations", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/init-declarations", + }, + + schema: { + anyOf: [ + { + type: "array", + items: [ + { + enum: ["always"], + }, + ], + minItems: 0, + maxItems: 1, + }, + { + type: "array", + items: [ + { + enum: ["never"], + }, + { + type: "object", + properties: { + ignoreForLoopInit: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + minItems: 0, + maxItems: 2, + }, + ], + }, + messages: { + initialized: + "Variable '{{idName}}' should be initialized on declaration.", + notInitialized: + "Variable '{{idName}}' should not be initialized on declaration.", + }, + }, + + create(context) { + const MODE_ALWAYS = "always", + MODE_NEVER = "never"; + + const mode = context.options[0] || MODE_ALWAYS; + const params = context.options[1] || {}; + + // Track whether we're inside a declared namespace + let insideDeclaredNamespace = false; + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + TSModuleDeclaration(node) { + if (node.declare) { + insideDeclaredNamespace = true; + } + }, + + "TSModuleDeclaration:exit"(node) { + if (node.declare) { + insideDeclaredNamespace = false; + } + }, + + "VariableDeclaration:exit"(node) { + const kind = node.kind, + declarations = node.declarations; + + if (node.declare || insideDeclaredNamespace) { + return; + } + + for (let i = 0; i < declarations.length; ++i) { + const declaration = declarations[i], + id = declaration.id, + initialized = isInitialized(declaration), + isIgnoredForLoop = + params.ignoreForLoopInit && isForLoop(node.parent); + let messageId = ""; + + if (mode === MODE_ALWAYS && !initialized) { + messageId = "initialized"; + } else if ( + mode === MODE_NEVER && + !CONSTANT_BINDINGS.has(kind) && + initialized && + !isIgnoredForLoop + ) { + messageId = "notInitialized"; + } + + if (id.type === "Identifier" && messageId) { + context.report({ + node: declaration, + messageId, + data: { + idName: id.name, + }, + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/jsx-quotes.js b/module/node_modules/eslint/lib/rules/jsx-quotes.js new file mode 100644 index 000000000..f435d9cbf --- /dev/null +++ b/module/node_modules/eslint/lib/rules/jsx-quotes.js @@ -0,0 +1,128 @@ +/** + * @fileoverview A rule to ensure consistent quotes used in jsx syntax. + * @author Mathias Schreck + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Constants +//------------------------------------------------------------------------------ + +const QUOTE_SETTINGS = { + "prefer-double": { + quote: '"', + description: "singlequote", + convert(str) { + return str.replace(/'/gu, '"'); + }, + }, + "prefer-single": { + quote: "'", + description: "doublequote", + convert(str) { + return str.replace(/"/gu, "'"); + }, + }, +}; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "jsx-quotes", + url: "https://eslint.style/rules/jsx-quotes", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce the consistent use of either double or single quotes in JSX attributes", + recommended: false, + url: "https://eslint.org/docs/latest/rules/jsx-quotes", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["prefer-single", "prefer-double"], + }, + ], + messages: { + unexpected: "Unexpected usage of {{description}}.", + }, + }, + + create(context) { + const quoteOption = context.options[0] || "prefer-double", + setting = QUOTE_SETTINGS[quoteOption]; + + /** + * Checks if the given string literal node uses the expected quotes + * @param {ASTNode} node A string literal node. + * @returns {boolean} Whether or not the string literal used the expected quotes. + * @public + */ + function usesExpectedQuotes(node) { + return ( + node.value.includes(setting.quote) || + astUtils.isSurroundedBy(node.raw, setting.quote) + ); + } + + return { + JSXAttribute(node) { + const attributeValue = node.value; + + if ( + attributeValue && + astUtils.isStringLiteral(attributeValue) && + !usesExpectedQuotes(attributeValue) + ) { + context.report({ + node: attributeValue, + messageId: "unexpected", + data: { + description: setting.description, + }, + fix(fixer) { + return fixer.replaceText( + attributeValue, + setting.convert(attributeValue.raw), + ); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/key-spacing.js b/module/node_modules/eslint/lib/rules/key-spacing.js new file mode 100644 index 000000000..6ab192ec6 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/key-spacing.js @@ -0,0 +1,822 @@ +/** + * @fileoverview Rule to specify spacing of object literal keys and values + * @author Brandon Mills + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const { getGraphemeCount } = require("../shared/string-utils"); + +/** + * Checks whether a string contains a line terminator as defined in + * http://www.ecma-international.org/ecma-262/5.1/#sec-7.3 + * @param {string} str String to test. + * @returns {boolean} True if str contains a line terminator. + */ +function containsLineTerminator(str) { + return astUtils.LINEBREAK_MATCHER.test(str); +} + +/** + * Gets the last element of an array. + * @param {Array} arr An array. + * @returns {any} Last element of arr. + */ +function last(arr) { + return arr.at(-1); +} + +/** + * Checks whether a node is contained on a single line. + * @param {ASTNode} node AST Node being evaluated. + * @returns {boolean} True if the node is a single line. + */ +function isSingleLine(node) { + return node.loc.end.line === node.loc.start.line; +} + +/** + * Checks whether the properties on a single line. + * @param {ASTNode[]} properties List of Property AST nodes. + * @returns {boolean} True if all properties is on a single line. + */ +function isSingleLineProperties(properties) { + const [firstProp] = properties, + lastProp = last(properties); + + return firstProp.loc.start.line === lastProp.loc.end.line; +} + +/** + * Initializes a single option property from the configuration with defaults for undefined values + * @param {Object} toOptions Object to be initialized + * @param {Object} fromOptions Object to be initialized from + * @returns {Object} The object with correctly initialized options and values + */ +function initOptionProperty(toOptions, fromOptions) { + toOptions.mode = fromOptions.mode || "strict"; + + // Set value of beforeColon + if (typeof fromOptions.beforeColon !== "undefined") { + toOptions.beforeColon = +fromOptions.beforeColon; + } else { + toOptions.beforeColon = 0; + } + + // Set value of afterColon + if (typeof fromOptions.afterColon !== "undefined") { + toOptions.afterColon = +fromOptions.afterColon; + } else { + toOptions.afterColon = 1; + } + + // Set align if exists + if (typeof fromOptions.align !== "undefined") { + if (typeof fromOptions.align === "object") { + toOptions.align = fromOptions.align; + } else { + // "string" + toOptions.align = { + on: fromOptions.align, + mode: toOptions.mode, + beforeColon: toOptions.beforeColon, + afterColon: toOptions.afterColon, + }; + } + } + + return toOptions; +} + +/** + * Initializes all the option values (singleLine, multiLine and align) from the configuration with defaults for undefined values + * @param {Object} toOptions Object to be initialized + * @param {Object} fromOptions Object to be initialized from + * @returns {Object} The object with correctly initialized options and values + */ +function initOptions(toOptions, fromOptions) { + if (typeof fromOptions.align === "object") { + // Initialize the alignment configuration + toOptions.align = initOptionProperty({}, fromOptions.align); + toOptions.align.on = fromOptions.align.on || "colon"; + toOptions.align.mode = fromOptions.align.mode || "strict"; + + toOptions.multiLine = initOptionProperty( + {}, + fromOptions.multiLine || fromOptions, + ); + toOptions.singleLine = initOptionProperty( + {}, + fromOptions.singleLine || fromOptions, + ); + } else { + // string or undefined + toOptions.multiLine = initOptionProperty( + {}, + fromOptions.multiLine || fromOptions, + ); + toOptions.singleLine = initOptionProperty( + {}, + fromOptions.singleLine || fromOptions, + ); + + // If alignment options are defined in multiLine, pull them out into the general align configuration + if (toOptions.multiLine.align) { + toOptions.align = { + on: toOptions.multiLine.align.on, + mode: + toOptions.multiLine.align.mode || toOptions.multiLine.mode, + beforeColon: toOptions.multiLine.align.beforeColon, + afterColon: toOptions.multiLine.align.afterColon, + }; + } + } + + return toOptions; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "key-spacing", + url: "https://eslint.style/rules/key-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce consistent spacing between keys and values in object literal properties", + recommended: false, + url: "https://eslint.org/docs/latest/rules/key-spacing", + }, + + fixable: "whitespace", + + schema: [ + { + anyOf: [ + { + type: "object", + properties: { + align: { + anyOf: [ + { + enum: ["colon", "value"], + }, + { + type: "object", + properties: { + mode: { + enum: ["strict", "minimum"], + }, + on: { + enum: ["colon", "value"], + }, + beforeColon: { + type: "boolean", + }, + afterColon: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + }, + mode: { + enum: ["strict", "minimum"], + }, + beforeColon: { + type: "boolean", + }, + afterColon: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + { + type: "object", + properties: { + singleLine: { + type: "object", + properties: { + mode: { + enum: ["strict", "minimum"], + }, + beforeColon: { + type: "boolean", + }, + afterColon: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + multiLine: { + type: "object", + properties: { + align: { + anyOf: [ + { + enum: ["colon", "value"], + }, + { + type: "object", + properties: { + mode: { + enum: [ + "strict", + "minimum", + ], + }, + on: { + enum: [ + "colon", + "value", + ], + }, + beforeColon: { + type: "boolean", + }, + afterColon: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + }, + mode: { + enum: ["strict", "minimum"], + }, + beforeColon: { + type: "boolean", + }, + afterColon: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + }, + additionalProperties: false, + }, + { + type: "object", + properties: { + singleLine: { + type: "object", + properties: { + mode: { + enum: ["strict", "minimum"], + }, + beforeColon: { + type: "boolean", + }, + afterColon: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + multiLine: { + type: "object", + properties: { + mode: { + enum: ["strict", "minimum"], + }, + beforeColon: { + type: "boolean", + }, + afterColon: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + align: { + type: "object", + properties: { + mode: { + enum: ["strict", "minimum"], + }, + on: { + enum: ["colon", "value"], + }, + beforeColon: { + type: "boolean", + }, + afterColon: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + }, + additionalProperties: false, + }, + ], + }, + ], + messages: { + extraKey: "Extra space after {{computed}}key '{{key}}'.", + extraValue: + "Extra space before value for {{computed}}key '{{key}}'.", + missingKey: "Missing space after {{computed}}key '{{key}}'.", + missingValue: + "Missing space before value for {{computed}}key '{{key}}'.", + }, + }, + + create(context) { + /** + * OPTIONS + * "key-spacing": [2, { + * beforeColon: false, + * afterColon: true, + * align: "colon" // Optional, or "value" + * } + */ + const options = context.options[0] || {}, + ruleOptions = initOptions({}, options), + multiLineOptions = ruleOptions.multiLine, + singleLineOptions = ruleOptions.singleLine, + alignmentOptions = ruleOptions.align || null; + + const sourceCode = context.sourceCode; + + /** + * Determines if the given property is key-value property. + * @param {ASTNode} property Property node to check. + * @returns {boolean} Whether the property is a key-value property. + */ + function isKeyValueProperty(property) { + return !( + ( + property.method || + property.shorthand || + property.kind !== "init" || + property.type !== "Property" + ) // Could be "ExperimentalSpreadProperty" or "SpreadElement" + ); + } + + /** + * Starting from the given node (a property.key node here) looks forward + * until it finds the colon punctuator and returns it. + * @param {ASTNode} node The node to start looking from. + * @returns {ASTNode} The colon punctuator. + */ + function getNextColon(node) { + return sourceCode.getTokenAfter(node, astUtils.isColonToken); + } + + /** + * Starting from the given node (a property.key node here) looks forward + * until it finds the last token before a colon punctuator and returns it. + * @param {ASTNode} node The node to start looking from. + * @returns {ASTNode} The last token before a colon punctuator. + */ + function getLastTokenBeforeColon(node) { + const colonToken = getNextColon(node); + + return sourceCode.getTokenBefore(colonToken); + } + + /** + * Starting from the given node (a property.key node here) looks forward + * until it finds the first token after a colon punctuator and returns it. + * @param {ASTNode} node The node to start looking from. + * @returns {ASTNode} The first token after a colon punctuator. + */ + function getFirstTokenAfterColon(node) { + const colonToken = getNextColon(node); + + return sourceCode.getTokenAfter(colonToken); + } + + /** + * Checks whether a property is a member of the property group it follows. + * @param {ASTNode} lastMember The last Property known to be in the group. + * @param {ASTNode} candidate The next Property that might be in the group. + * @returns {boolean} True if the candidate property is part of the group. + */ + function continuesPropertyGroup(lastMember, candidate) { + const groupEndLine = lastMember.loc.start.line, + candidateValueStartLine = ( + isKeyValueProperty(candidate) + ? getFirstTokenAfterColon(candidate.key) + : candidate + ).loc.start.line; + + if (candidateValueStartLine - groupEndLine <= 1) { + return true; + } + + /* + * Check that the first comment is adjacent to the end of the group, the + * last comment is adjacent to the candidate property, and that successive + * comments are adjacent to each other. + */ + const leadingComments = sourceCode.getCommentsBefore(candidate); + + if ( + leadingComments.length && + leadingComments[0].loc.start.line - groupEndLine <= 1 && + candidateValueStartLine - last(leadingComments).loc.end.line <= + 1 + ) { + for (let i = 1; i < leadingComments.length; i++) { + if ( + leadingComments[i].loc.start.line - + leadingComments[i - 1].loc.end.line > + 1 + ) { + return false; + } + } + return true; + } + + return false; + } + + /** + * Gets an object literal property's key as the identifier name or string value. + * @param {ASTNode} property Property node whose key to retrieve. + * @returns {string} The property's key. + */ + function getKey(property) { + const key = property.key; + + if (property.computed) { + return sourceCode.getText().slice(key.range[0], key.range[1]); + } + return astUtils.getStaticPropertyName(property); + } + + /** + * Reports an appropriately-formatted error if spacing is incorrect on one + * side of the colon. + * @param {ASTNode} property Key-value pair in an object literal. + * @param {string} side Side being verified - either "key" or "value". + * @param {string} whitespace Actual whitespace string. + * @param {number} expected Expected whitespace length. + * @param {string} mode Value of the mode as "strict" or "minimum" + * @returns {void} + */ + function report(property, side, whitespace, expected, mode) { + const diff = whitespace.length - expected; + + if ( + ((diff && mode === "strict") || + (diff < 0 && mode === "minimum") || + (diff > 0 && !expected && mode === "minimum")) && + !(expected && containsLineTerminator(whitespace)) + ) { + const nextColon = getNextColon(property.key), + tokenBeforeColon = sourceCode.getTokenBefore(nextColon, { + includeComments: true, + }), + tokenAfterColon = sourceCode.getTokenAfter(nextColon, { + includeComments: true, + }), + isKeySide = side === "key", + isExtra = diff > 0, + diffAbs = Math.abs(diff), + spaces = Array(diffAbs + 1).join(" "); + + const locStart = isKeySide + ? tokenBeforeColon.loc.end + : nextColon.loc.start; + const locEnd = isKeySide + ? nextColon.loc.start + : tokenAfterColon.loc.start; + const missingLoc = isKeySide + ? tokenBeforeColon.loc + : tokenAfterColon.loc; + const loc = isExtra + ? { start: locStart, end: locEnd } + : missingLoc; + + let fix; + + if (isExtra) { + let range; + + // Remove whitespace + if (isKeySide) { + range = [ + tokenBeforeColon.range[1], + tokenBeforeColon.range[1] + diffAbs, + ]; + } else { + range = [ + tokenAfterColon.range[0] - diffAbs, + tokenAfterColon.range[0], + ]; + } + fix = function (fixer) { + return fixer.removeRange(range); + }; + } else { + // Add whitespace + if (isKeySide) { + fix = function (fixer) { + return fixer.insertTextAfter( + tokenBeforeColon, + spaces, + ); + }; + } else { + fix = function (fixer) { + return fixer.insertTextBefore( + tokenAfterColon, + spaces, + ); + }; + } + } + + let messageId; + + if (isExtra) { + messageId = side === "key" ? "extraKey" : "extraValue"; + } else { + messageId = side === "key" ? "missingKey" : "missingValue"; + } + + context.report({ + node: property[side], + loc, + messageId, + data: { + computed: property.computed ? "computed " : "", + key: getKey(property), + }, + fix, + }); + } + } + + /** + * Gets the number of characters in a key, including quotes around string + * keys and braces around computed property keys. + * @param {ASTNode} property Property of on object literal. + * @returns {number} Width of the key. + */ + function getKeyWidth(property) { + const startToken = sourceCode.getFirstToken(property); + const endToken = getLastTokenBeforeColon(property.key); + + return getGraphemeCount( + sourceCode + .getText() + .slice(startToken.range[0], endToken.range[1]), + ); + } + + /** + * Gets the whitespace around the colon in an object literal property. + * @param {ASTNode} property Property node from an object literal. + * @returns {Object} Whitespace before and after the property's colon. + */ + function getPropertyWhitespace(property) { + const whitespace = /(\s*):(\s*)/u.exec( + sourceCode + .getText() + .slice(property.key.range[1], property.value.range[0]), + ); + + if (whitespace) { + return { + beforeColon: whitespace[1], + afterColon: whitespace[2], + }; + } + return null; + } + + /** + * Creates groups of properties. + * @param {ASTNode} node ObjectExpression node being evaluated. + * @returns {Array} Groups of property AST node lists. + */ + function createGroups(node) { + if (node.properties.length === 1) { + return [node.properties]; + } + + return node.properties.reduce( + (groups, property) => { + const currentGroup = last(groups), + prev = last(currentGroup); + + if (!prev || continuesPropertyGroup(prev, property)) { + currentGroup.push(property); + } else { + groups.push([property]); + } + + return groups; + }, + [[]], + ); + } + + /** + * Verifies correct vertical alignment of a group of properties. + * @param {ASTNode[]} properties List of Property AST nodes. + * @returns {void} + */ + function verifyGroupAlignment(properties) { + const length = properties.length, + widths = properties.map(getKeyWidth), // Width of keys, including quotes + align = alignmentOptions.on; // "value" or "colon" + let targetWidth = Math.max(...widths), + beforeColon, + afterColon, + mode; + + if (alignmentOptions && length > 1) { + // When aligning values within a group, use the alignment configuration. + beforeColon = alignmentOptions.beforeColon; + afterColon = alignmentOptions.afterColon; + mode = alignmentOptions.mode; + } else { + beforeColon = multiLineOptions.beforeColon; + afterColon = multiLineOptions.afterColon; + mode = alignmentOptions.mode; + } + + // Conditionally include one space before or after colon + targetWidth += align === "colon" ? beforeColon : afterColon; + + for (let i = 0; i < length; i++) { + const property = properties[i]; + const whitespace = getPropertyWhitespace(property); + + if (whitespace) { + // Object literal getters/setters lack a colon + const width = widths[i]; + + if (align === "value") { + report( + property, + "key", + whitespace.beforeColon, + beforeColon, + mode, + ); + report( + property, + "value", + whitespace.afterColon, + targetWidth - width, + mode, + ); + } else { + // align = "colon" + report( + property, + "key", + whitespace.beforeColon, + targetWidth - width, + mode, + ); + report( + property, + "value", + whitespace.afterColon, + afterColon, + mode, + ); + } + } + } + } + + /** + * Verifies spacing of property conforms to specified options. + * @param {ASTNode} node Property node being evaluated. + * @param {Object} lineOptions Configured singleLine or multiLine options + * @returns {void} + */ + function verifySpacing(node, lineOptions) { + const actual = getPropertyWhitespace(node); + + if (actual) { + // Object literal getters/setters lack colons + report( + node, + "key", + actual.beforeColon, + lineOptions.beforeColon, + lineOptions.mode, + ); + report( + node, + "value", + actual.afterColon, + lineOptions.afterColon, + lineOptions.mode, + ); + } + } + + /** + * Verifies spacing of each property in a list. + * @param {ASTNode[]} properties List of Property AST nodes. + * @param {Object} lineOptions Configured singleLine or multiLine options + * @returns {void} + */ + function verifyListSpacing(properties, lineOptions) { + const length = properties.length; + + for (let i = 0; i < length; i++) { + verifySpacing(properties[i], lineOptions); + } + } + + /** + * Verifies vertical alignment, taking into account groups of properties. + * @param {ASTNode} node ObjectExpression node being evaluated. + * @returns {void} + */ + function verifyAlignment(node) { + createGroups(node).forEach(group => { + const properties = group.filter(isKeyValueProperty); + + if ( + properties.length > 0 && + isSingleLineProperties(properties) + ) { + verifyListSpacing(properties, multiLineOptions); + } else { + verifyGroupAlignment(properties); + } + }); + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + if (alignmentOptions) { + // Verify vertical alignment + + return { + ObjectExpression(node) { + if (isSingleLine(node)) { + verifyListSpacing( + node.properties.filter(isKeyValueProperty), + singleLineOptions, + ); + } else { + verifyAlignment(node); + } + }, + }; + } + + // Obey beforeColon and afterColon in each property as configured + return { + Property(node) { + verifySpacing( + node, + isSingleLine(node.parent) + ? singleLineOptions + : multiLineOptions, + ); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/keyword-spacing.js b/module/node_modules/eslint/lib/rules/keyword-spacing.js new file mode 100644 index 000000000..0986b4361 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/keyword-spacing.js @@ -0,0 +1,701 @@ +/** + * @fileoverview Rule to enforce spacing before and after keywords. + * @author Toru Nagashima + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"), + keywords = require("./utils/keywords"); + +//------------------------------------------------------------------------------ +// Constants +//------------------------------------------------------------------------------ + +const PREV_TOKEN = /^[)\]}>]$/u; +const NEXT_TOKEN = /^(?:[([{<~!]|\+\+?|--?)$/u; +const PREV_TOKEN_M = /^[)\]}>*]$/u; +const NEXT_TOKEN_M = /^[{*]$/u; +const TEMPLATE_OPEN_PAREN = /\$\{$/u; +const TEMPLATE_CLOSE_PAREN = /^\}/u; +const CHECK_TYPE = + /^(?:JSXElement|RegularExpression|String|Template|PrivateIdentifier)$/u; +const KEYS = keywords.concat([ + "as", + "async", + "await", + "from", + "get", + "let", + "of", + "set", + "yield", +]); + +// check duplications. +(function () { + KEYS.sort(); + for (let i = 1; i < KEYS.length; ++i) { + if (KEYS[i] === KEYS[i - 1]) { + throw new Error( + `Duplication was found in the keyword list: ${KEYS[i]}`, + ); + } + } +})(); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not a given token is a "Template" token ends with "${". + * @param {Token} token A token to check. + * @returns {boolean} `true` if the token is a "Template" token ends with "${". + */ +function isOpenParenOfTemplate(token) { + return token.type === "Template" && TEMPLATE_OPEN_PAREN.test(token.value); +} + +/** + * Checks whether or not a given token is a "Template" token starts with "}". + * @param {Token} token A token to check. + * @returns {boolean} `true` if the token is a "Template" token starts with "}". + */ +function isCloseParenOfTemplate(token) { + return token.type === "Template" && TEMPLATE_CLOSE_PAREN.test(token.value); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "keyword-spacing", + url: "https://eslint.style/rules/keyword-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent spacing before and after keywords", + recommended: false, + url: "https://eslint.org/docs/latest/rules/keyword-spacing", + }, + + fixable: "whitespace", + + schema: [ + { + type: "object", + properties: { + before: { type: "boolean", default: true }, + after: { type: "boolean", default: true }, + overrides: { + type: "object", + properties: KEYS.reduce((retv, key) => { + retv[key] = { + type: "object", + properties: { + before: { type: "boolean" }, + after: { type: "boolean" }, + }, + additionalProperties: false, + }; + return retv; + }, {}), + additionalProperties: false, + }, + }, + additionalProperties: false, + }, + ], + messages: { + expectedBefore: 'Expected space(s) before "{{value}}".', + expectedAfter: 'Expected space(s) after "{{value}}".', + unexpectedBefore: 'Unexpected space(s) before "{{value}}".', + unexpectedAfter: 'Unexpected space(s) after "{{value}}".', + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + const tokensToIgnore = new WeakSet(); + + /** + * Reports a given token if there are not space(s) before the token. + * @param {Token} token A token to report. + * @param {RegExp} pattern A pattern of the previous token to check. + * @returns {void} + */ + function expectSpaceBefore(token, pattern) { + const prevToken = sourceCode.getTokenBefore(token); + + if ( + prevToken && + (CHECK_TYPE.test(prevToken.type) || + pattern.test(prevToken.value)) && + !isOpenParenOfTemplate(prevToken) && + !tokensToIgnore.has(prevToken) && + astUtils.isTokenOnSameLine(prevToken, token) && + !sourceCode.isSpaceBetweenTokens(prevToken, token) + ) { + context.report({ + loc: token.loc, + messageId: "expectedBefore", + data: token, + fix(fixer) { + return fixer.insertTextBefore(token, " "); + }, + }); + } + } + + /** + * Reports a given token if there are space(s) before the token. + * @param {Token} token A token to report. + * @param {RegExp} pattern A pattern of the previous token to check. + * @returns {void} + */ + function unexpectSpaceBefore(token, pattern) { + const prevToken = sourceCode.getTokenBefore(token); + + if ( + prevToken && + (CHECK_TYPE.test(prevToken.type) || + pattern.test(prevToken.value)) && + !isOpenParenOfTemplate(prevToken) && + !tokensToIgnore.has(prevToken) && + astUtils.isTokenOnSameLine(prevToken, token) && + sourceCode.isSpaceBetweenTokens(prevToken, token) + ) { + context.report({ + loc: { start: prevToken.loc.end, end: token.loc.start }, + messageId: "unexpectedBefore", + data: token, + fix(fixer) { + return fixer.removeRange([ + prevToken.range[1], + token.range[0], + ]); + }, + }); + } + } + + /** + * Reports a given token if there are not space(s) after the token. + * @param {Token} token A token to report. + * @param {RegExp} pattern A pattern of the next token to check. + * @returns {void} + */ + function expectSpaceAfter(token, pattern) { + const nextToken = sourceCode.getTokenAfter(token); + + if ( + nextToken && + (CHECK_TYPE.test(nextToken.type) || + pattern.test(nextToken.value)) && + !isCloseParenOfTemplate(nextToken) && + !tokensToIgnore.has(nextToken) && + astUtils.isTokenOnSameLine(token, nextToken) && + !sourceCode.isSpaceBetweenTokens(token, nextToken) + ) { + context.report({ + loc: token.loc, + messageId: "expectedAfter", + data: token, + fix(fixer) { + return fixer.insertTextAfter(token, " "); + }, + }); + } + } + + /** + * Reports a given token if there are space(s) after the token. + * @param {Token} token A token to report. + * @param {RegExp} pattern A pattern of the next token to check. + * @returns {void} + */ + function unexpectSpaceAfter(token, pattern) { + const nextToken = sourceCode.getTokenAfter(token); + + if ( + nextToken && + (CHECK_TYPE.test(nextToken.type) || + pattern.test(nextToken.value)) && + !isCloseParenOfTemplate(nextToken) && + !tokensToIgnore.has(nextToken) && + astUtils.isTokenOnSameLine(token, nextToken) && + sourceCode.isSpaceBetweenTokens(token, nextToken) + ) { + context.report({ + loc: { start: token.loc.end, end: nextToken.loc.start }, + messageId: "unexpectedAfter", + data: token, + fix(fixer) { + return fixer.removeRange([ + token.range[1], + nextToken.range[0], + ]); + }, + }); + } + } + + /** + * Parses the option object and determines check methods for each keyword. + * @param {Object|undefined} options The option object to parse. + * @returns {Object} - Normalized option object. + * Keys are keywords (there are for every keyword). + * Values are instances of `{"before": function, "after": function}`. + */ + function parseOptions(options = {}) { + const before = options.before !== false; + const after = options.after !== false; + const defaultValue = { + before: before ? expectSpaceBefore : unexpectSpaceBefore, + after: after ? expectSpaceAfter : unexpectSpaceAfter, + }; + const overrides = (options && options.overrides) || {}; + const retv = Object.create(null); + + for (let i = 0; i < KEYS.length; ++i) { + const key = KEYS[i]; + const override = overrides[key]; + + if (override) { + const thisBefore = + "before" in override ? override.before : before; + const thisAfter = + "after" in override ? override.after : after; + + retv[key] = { + before: thisBefore + ? expectSpaceBefore + : unexpectSpaceBefore, + after: thisAfter + ? expectSpaceAfter + : unexpectSpaceAfter, + }; + } else { + retv[key] = defaultValue; + } + } + + return retv; + } + + const checkMethodMap = parseOptions(context.options[0]); + + /** + * Reports a given token if usage of spacing followed by the token is + * invalid. + * @param {Token} token A token to report. + * @param {RegExp} [pattern] Optional. A pattern of the previous + * token to check. + * @returns {void} + */ + function checkSpacingBefore(token, pattern) { + checkMethodMap[token.value].before(token, pattern || PREV_TOKEN); + } + + /** + * Reports a given token if usage of spacing preceded by the token is + * invalid. + * @param {Token} token A token to report. + * @param {RegExp} [pattern] Optional. A pattern of the next + * token to check. + * @returns {void} + */ + function checkSpacingAfter(token, pattern) { + checkMethodMap[token.value].after(token, pattern || NEXT_TOKEN); + } + + /** + * Reports a given token if usage of spacing around the token is invalid. + * @param {Token} token A token to report. + * @returns {void} + */ + function checkSpacingAround(token) { + checkSpacingBefore(token); + checkSpacingAfter(token); + } + + /** + * Reports the first token of a given node if the first token is a keyword + * and usage of spacing around the token is invalid. + * @param {ASTNode|null} node A node to report. + * @returns {void} + */ + function checkSpacingAroundFirstToken(node) { + const firstToken = node && sourceCode.getFirstToken(node); + + if (firstToken && firstToken.type === "Keyword") { + checkSpacingAround(firstToken); + } + } + + /** + * Reports the first token of a given node if the first token is a keyword + * and usage of spacing followed by the token is invalid. + * + * This is used for unary operators (e.g. `typeof`), `function`, and `super`. + * Other rules are handling usage of spacing preceded by those keywords. + * @param {ASTNode|null} node A node to report. + * @returns {void} + */ + function checkSpacingBeforeFirstToken(node) { + const firstToken = node && sourceCode.getFirstToken(node); + + if (firstToken && firstToken.type === "Keyword") { + checkSpacingBefore(firstToken); + } + } + + /** + * Reports the previous token of a given node if the token is a keyword and + * usage of spacing around the token is invalid. + * @param {ASTNode|null} node A node to report. + * @returns {void} + */ + function checkSpacingAroundTokenBefore(node) { + if (node) { + const token = sourceCode.getTokenBefore( + node, + astUtils.isKeywordToken, + ); + + checkSpacingAround(token); + } + } + + /** + * Reports `async` or `function` keywords of a given node if usage of + * spacing around those keywords is invalid. + * @param {ASTNode} node A node to report. + * @returns {void} + */ + function checkSpacingForFunction(node) { + const firstToken = node && sourceCode.getFirstToken(node); + + if ( + firstToken && + ((firstToken.type === "Keyword" && + firstToken.value === "function") || + firstToken.value === "async") + ) { + checkSpacingBefore(firstToken); + } + } + + /** + * Reports `class` and `extends` keywords of a given node if usage of + * spacing around those keywords is invalid. + * @param {ASTNode} node A node to report. + * @returns {void} + */ + function checkSpacingForClass(node) { + checkSpacingAroundFirstToken(node); + checkSpacingAroundTokenBefore(node.superClass); + } + + /** + * Reports `if` and `else` keywords of a given node if usage of spacing + * around those keywords is invalid. + * @param {ASTNode} node A node to report. + * @returns {void} + */ + function checkSpacingForIfStatement(node) { + checkSpacingAroundFirstToken(node); + checkSpacingAroundTokenBefore(node.alternate); + } + + /** + * Reports `try`, `catch`, and `finally` keywords of a given node if usage + * of spacing around those keywords is invalid. + * @param {ASTNode} node A node to report. + * @returns {void} + */ + function checkSpacingForTryStatement(node) { + checkSpacingAroundFirstToken(node); + checkSpacingAroundFirstToken(node.handler); + checkSpacingAroundTokenBefore(node.finalizer); + } + + /** + * Reports `do` and `while` keywords of a given node if usage of spacing + * around those keywords is invalid. + * @param {ASTNode} node A node to report. + * @returns {void} + */ + function checkSpacingForDoWhileStatement(node) { + checkSpacingAroundFirstToken(node); + checkSpacingAroundTokenBefore(node.test); + } + + /** + * Reports `for` and `in` keywords of a given node if usage of spacing + * around those keywords is invalid. + * @param {ASTNode} node A node to report. + * @returns {void} + */ + function checkSpacingForForInStatement(node) { + checkSpacingAroundFirstToken(node); + + const inToken = sourceCode.getTokenBefore( + node.right, + astUtils.isNotOpeningParenToken, + ); + const previousToken = sourceCode.getTokenBefore(inToken); + + if (previousToken.type !== "PrivateIdentifier") { + checkSpacingBefore(inToken); + } + + checkSpacingAfter(inToken); + } + + /** + * Reports `for` and `of` keywords of a given node if usage of spacing + * around those keywords is invalid. + * @param {ASTNode} node A node to report. + * @returns {void} + */ + function checkSpacingForForOfStatement(node) { + if (node.await) { + checkSpacingBefore(sourceCode.getFirstToken(node, 0)); + checkSpacingAfter(sourceCode.getFirstToken(node, 1)); + } else { + checkSpacingAroundFirstToken(node); + } + + const ofToken = sourceCode.getTokenBefore( + node.right, + astUtils.isNotOpeningParenToken, + ); + const previousToken = sourceCode.getTokenBefore(ofToken); + + if (previousToken.type !== "PrivateIdentifier") { + checkSpacingBefore(ofToken); + } + + checkSpacingAfter(ofToken); + } + + /** + * Reports `import`, `export`, `as`, and `from` keywords of a given node if + * usage of spacing around those keywords is invalid. + * + * This rule handles the `*` token in module declarations. + * + * import*as A from "./a"; /*error Expected space(s) after "import". + * error Expected space(s) before "as". + * @param {ASTNode} node A node to report. + * @returns {void} + */ + function checkSpacingForModuleDeclaration(node) { + const firstToken = sourceCode.getFirstToken(node); + + checkSpacingBefore(firstToken, PREV_TOKEN_M); + checkSpacingAfter(firstToken, NEXT_TOKEN_M); + + if (node.type === "ExportDefaultDeclaration") { + checkSpacingAround(sourceCode.getTokenAfter(firstToken)); + } + + if (node.type === "ExportAllDeclaration" && node.exported) { + const asToken = sourceCode.getTokenBefore(node.exported); + + checkSpacingBefore(asToken, PREV_TOKEN_M); + checkSpacingAfter(asToken, NEXT_TOKEN_M); + } + + if (node.source) { + const fromToken = sourceCode.getTokenBefore(node.source); + + checkSpacingBefore(fromToken, PREV_TOKEN_M); + checkSpacingAfter(fromToken, NEXT_TOKEN_M); + } + } + + /** + * Reports `as` keyword of a given node if usage of spacing around this + * keyword is invalid. + * @param {ASTNode} node An `ImportSpecifier` node to check. + * @returns {void} + */ + function checkSpacingForImportSpecifier(node) { + if (node.imported.range[0] !== node.local.range[0]) { + const asToken = sourceCode.getTokenBefore(node.local); + + checkSpacingBefore(asToken, PREV_TOKEN_M); + } + } + + /** + * Reports `as` keyword of a given node if usage of spacing around this + * keyword is invalid. + * @param {ASTNode} node An `ExportSpecifier` node to check. + * @returns {void} + */ + function checkSpacingForExportSpecifier(node) { + if (node.local.range[0] !== node.exported.range[0]) { + const asToken = sourceCode.getTokenBefore(node.exported); + + checkSpacingBefore(asToken, PREV_TOKEN_M); + checkSpacingAfter(asToken, NEXT_TOKEN_M); + } + } + + /** + * Reports `as` keyword of a given node if usage of spacing around this + * keyword is invalid. + * @param {ASTNode} node A node to report. + * @returns {void} + */ + function checkSpacingForImportNamespaceSpecifier(node) { + const asToken = sourceCode.getFirstToken(node, 1); + + checkSpacingBefore(asToken, PREV_TOKEN_M); + } + + /** + * Reports `static`, `get`, and `set` keywords of a given node if usage of + * spacing around those keywords is invalid. + * @param {ASTNode} node A node to report. + * @throws {Error} If unable to find token get, set, or async beside method name. + * @returns {void} + */ + function checkSpacingForProperty(node) { + if (node.static) { + checkSpacingAroundFirstToken(node); + } + if ( + node.kind === "get" || + node.kind === "set" || + ((node.method || node.type === "MethodDefinition") && + node.value.async) + ) { + const token = sourceCode.getTokenBefore(node.key, tok => { + switch (tok.value) { + case "get": + case "set": + case "async": + return true; + default: + return false; + } + }); + + if (!token) { + throw new Error( + "Failed to find token get, set, or async beside method name", + ); + } + + checkSpacingAround(token); + } + } + + /** + * Reports `await` keyword of a given node if usage of spacing before + * this keyword is invalid. + * @param {ASTNode} node A node to report. + * @returns {void} + */ + function checkSpacingForAwaitExpression(node) { + checkSpacingBefore(sourceCode.getFirstToken(node)); + } + + return { + // Statements + DebuggerStatement: checkSpacingAroundFirstToken, + WithStatement: checkSpacingAroundFirstToken, + + // Statements - Control flow + BreakStatement: checkSpacingAroundFirstToken, + ContinueStatement: checkSpacingAroundFirstToken, + ReturnStatement: checkSpacingAroundFirstToken, + ThrowStatement: checkSpacingAroundFirstToken, + TryStatement: checkSpacingForTryStatement, + + // Statements - Choice + IfStatement: checkSpacingForIfStatement, + SwitchStatement: checkSpacingAroundFirstToken, + SwitchCase: checkSpacingAroundFirstToken, + + // Statements - Loops + DoWhileStatement: checkSpacingForDoWhileStatement, + ForInStatement: checkSpacingForForInStatement, + ForOfStatement: checkSpacingForForOfStatement, + ForStatement: checkSpacingAroundFirstToken, + WhileStatement: checkSpacingAroundFirstToken, + + // Statements - Declarations + ClassDeclaration: checkSpacingForClass, + ExportNamedDeclaration: checkSpacingForModuleDeclaration, + ExportDefaultDeclaration: checkSpacingForModuleDeclaration, + ExportAllDeclaration: checkSpacingForModuleDeclaration, + FunctionDeclaration: checkSpacingForFunction, + ImportDeclaration: checkSpacingForModuleDeclaration, + VariableDeclaration: checkSpacingAroundFirstToken, + + // Expressions + ArrowFunctionExpression: checkSpacingForFunction, + AwaitExpression: checkSpacingForAwaitExpression, + ClassExpression: checkSpacingForClass, + FunctionExpression: checkSpacingForFunction, + NewExpression: checkSpacingBeforeFirstToken, + Super: checkSpacingBeforeFirstToken, + ThisExpression: checkSpacingBeforeFirstToken, + UnaryExpression: checkSpacingBeforeFirstToken, + YieldExpression: checkSpacingBeforeFirstToken, + + // Others + ImportSpecifier: checkSpacingForImportSpecifier, + ExportSpecifier: checkSpacingForExportSpecifier, + ImportNamespaceSpecifier: checkSpacingForImportNamespaceSpecifier, + MethodDefinition: checkSpacingForProperty, + PropertyDefinition: checkSpacingForProperty, + StaticBlock: checkSpacingAroundFirstToken, + Property: checkSpacingForProperty, + + // To avoid conflicts with `space-infix-ops`, e.g. `a > this.b` + "BinaryExpression[operator='>']"(node) { + const operatorToken = sourceCode.getTokenBefore( + node.right, + astUtils.isNotOpeningParenToken, + ); + + tokensToIgnore.add(operatorToken); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/line-comment-position.js b/module/node_modules/eslint/lib/rules/line-comment-position.js new file mode 100644 index 000000000..6c1640337 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/line-comment-position.js @@ -0,0 +1,157 @@ +/** + * @fileoverview Rule to enforce the position of line comments + * @author Alberto Rodríguez + * @deprecated in ESLint v9.3.0 + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "9.3.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "line-comment-position", + url: "https://eslint.style/rules/line-comment-position", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce position of line comments", + recommended: false, + url: "https://eslint.org/docs/latest/rules/line-comment-position", + }, + + schema: [ + { + oneOf: [ + { + enum: ["above", "beside"], + }, + { + type: "object", + properties: { + position: { + enum: ["above", "beside"], + }, + ignorePattern: { + type: "string", + }, + applyDefaultPatterns: { + type: "boolean", + }, + applyDefaultIgnorePatterns: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + }, + ], + messages: { + above: "Expected comment to be above code.", + beside: "Expected comment to be beside code.", + }, + }, + + create(context) { + const options = context.options[0]; + + let above, + ignorePattern, + applyDefaultIgnorePatterns = true; + + if (!options || typeof options === "string") { + above = !options || options === "above"; + } else { + above = !options.position || options.position === "above"; + ignorePattern = options.ignorePattern; + + if (Object.hasOwn(options, "applyDefaultIgnorePatterns")) { + applyDefaultIgnorePatterns = options.applyDefaultIgnorePatterns; + } else { + applyDefaultIgnorePatterns = + options.applyDefaultPatterns !== false; + } + } + + const defaultIgnoreRegExp = astUtils.COMMENTS_IGNORE_PATTERN; + const fallThroughRegExp = /^\s*falls?\s?through/u; + const customIgnoreRegExp = new RegExp(ignorePattern, "u"); + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program() { + const comments = sourceCode.getAllComments(); + + comments + .filter(token => token.type === "Line") + .forEach(node => { + if ( + applyDefaultIgnorePatterns && + (defaultIgnoreRegExp.test(node.value) || + fallThroughRegExp.test(node.value)) + ) { + return; + } + + if ( + ignorePattern && + customIgnoreRegExp.test(node.value) + ) { + return; + } + + const previous = sourceCode.getTokenBefore(node, { + includeComments: true, + }); + const isOnSameLine = + previous && + previous.loc.end.line === node.loc.start.line; + + if (above) { + if (isOnSameLine) { + context.report({ + node, + messageId: "above", + }); + } + } else { + if (!isOnSameLine) { + context.report({ + node, + messageId: "beside", + }); + } + } + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/linebreak-style.js b/module/node_modules/eslint/lib/rules/linebreak-style.js new file mode 100644 index 000000000..aea1b8ce1 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/linebreak-style.js @@ -0,0 +1,135 @@ +/** + * @fileoverview Rule to enforce a single linebreak style. + * @author Erik Mueller + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** + * @import { SourceRange } from "@eslint/core"; + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "linebreak-style", + url: "https://eslint.style/rules/linebreak-style", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent linebreak style", + recommended: false, + url: "https://eslint.org/docs/latest/rules/linebreak-style", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["unix", "windows"], + }, + ], + messages: { + expectedLF: "Expected linebreaks to be 'LF' but found 'CRLF'.", + expectedCRLF: "Expected linebreaks to be 'CRLF' but found 'LF'.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Builds a fix function that replaces text at the specified range in the source text. + * @param {SourceRange} range The range to replace + * @param {string} text The text to insert. + * @returns {Function} Fixer function + * @private + */ + function createFix(range, text) { + return function (fixer) { + return fixer.replaceTextRange(range, text); + }; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program: function checkForLinebreakStyle(node) { + const linebreakStyle = context.options[0] || "unix", + expectedLF = linebreakStyle === "unix", + expectedLFChars = expectedLF ? "\n" : "\r\n", + source = sourceCode.getText(), + pattern = astUtils.createGlobalLinebreakMatcher(); + let match; + + let i = 0; + + while ((match = pattern.exec(source)) !== null) { + i++; + if (match[0] === expectedLFChars) { + continue; + } + + const index = match.index; + const range = [index, index + match[0].length]; + + context.report({ + node, + loc: { + start: { + line: i, + column: sourceCode.lines[i - 1].length, + }, + end: { + line: i + 1, + column: 0, + }, + }, + messageId: expectedLF ? "expectedLF" : "expectedCRLF", + fix: createFix(range, expectedLFChars), + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/lines-around-comment.js b/module/node_modules/eslint/lib/rules/lines-around-comment.js new file mode 100644 index 000000000..7b2d0ac80 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/lines-around-comment.js @@ -0,0 +1,581 @@ +/** + * @fileoverview Enforces empty lines around comments. + * @author Jamund Ferguson + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Return an array with any line numbers that are empty. + * @param {Array} lines An array of each line of the file. + * @returns {Array} An array of line numbers. + */ +function getEmptyLineNums(lines) { + const emptyLines = lines + .map((line, i) => ({ + code: line.trim(), + num: i + 1, + })) + .filter(line => !line.code) + .map(line => line.num); + + return emptyLines; +} + +/** + * Return an array with any line numbers that contain comments. + * @param {Array} comments An array of comment tokens. + * @returns {Array} An array of line numbers. + */ +function getCommentLineNums(comments) { + const lines = []; + + comments.forEach(token => { + const start = token.loc.start.line; + const end = token.loc.end.line; + + lines.push(start, end); + }); + return lines; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "lines-around-comment", + url: "https://eslint.style/rules/lines-around-comment", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Require empty lines around comments", + recommended: false, + url: "https://eslint.org/docs/latest/rules/lines-around-comment", + }, + + fixable: "whitespace", + + schema: [ + { + type: "object", + properties: { + beforeBlockComment: { + type: "boolean", + default: true, + }, + afterBlockComment: { + type: "boolean", + default: false, + }, + beforeLineComment: { + type: "boolean", + default: false, + }, + afterLineComment: { + type: "boolean", + default: false, + }, + allowBlockStart: { + type: "boolean", + default: false, + }, + allowBlockEnd: { + type: "boolean", + default: false, + }, + allowClassStart: { + type: "boolean", + }, + allowClassEnd: { + type: "boolean", + }, + allowObjectStart: { + type: "boolean", + }, + allowObjectEnd: { + type: "boolean", + }, + allowArrayStart: { + type: "boolean", + }, + allowArrayEnd: { + type: "boolean", + }, + ignorePattern: { + type: "string", + }, + applyDefaultIgnorePatterns: { + type: "boolean", + }, + afterHashbangComment: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + messages: { + after: "Expected line after comment.", + before: "Expected line before comment.", + }, + }, + + create(context) { + const options = Object.assign({}, context.options[0]); + const ignorePattern = options.ignorePattern; + const defaultIgnoreRegExp = astUtils.COMMENTS_IGNORE_PATTERN; + const customIgnoreRegExp = new RegExp(ignorePattern, "u"); + const applyDefaultIgnorePatterns = + options.applyDefaultIgnorePatterns !== false; + + options.beforeBlockComment = + typeof options.beforeBlockComment !== "undefined" + ? options.beforeBlockComment + : true; + + const sourceCode = context.sourceCode; + + const lines = sourceCode.lines, + numLines = lines.length + 1, + comments = sourceCode.getAllComments(), + commentLines = getCommentLineNums(comments), + emptyLines = getEmptyLineNums(lines), + commentAndEmptyLines = new Set(commentLines.concat(emptyLines)); + + /** + * Returns whether or not comments are on lines starting with or ending with code + * @param {token} token The comment token to check. + * @returns {boolean} True if the comment is not alone. + */ + function codeAroundComment(token) { + let currentToken = token; + + do { + currentToken = sourceCode.getTokenBefore(currentToken, { + includeComments: true, + }); + } while (currentToken && astUtils.isCommentToken(currentToken)); + + if ( + currentToken && + astUtils.isTokenOnSameLine(currentToken, token) + ) { + return true; + } + + currentToken = token; + do { + currentToken = sourceCode.getTokenAfter(currentToken, { + includeComments: true, + }); + } while (currentToken && astUtils.isCommentToken(currentToken)); + + if ( + currentToken && + astUtils.isTokenOnSameLine(token, currentToken) + ) { + return true; + } + + return false; + } + + /** + * Returns whether or not comments are inside a node type or not. + * @param {ASTNode} parent The Comment parent node. + * @param {string} nodeType The parent type to check against. + * @returns {boolean} True if the comment is inside nodeType. + */ + function isParentNodeType(parent, nodeType) { + return ( + parent.type === nodeType || + (parent.body && parent.body.type === nodeType) || + (parent.consequent && parent.consequent.type === nodeType) + ); + } + + /** + * Returns the parent node that contains the given token. + * @param {token} token The token to check. + * @returns {ASTNode|null} The parent node that contains the given token. + */ + function getParentNodeOfToken(token) { + const node = sourceCode.getNodeByRangeIndex(token.range[0]); + + /* + * For the purpose of this rule, the comment token is in a `StaticBlock` node only + * if it's inside the braces of that `StaticBlock` node. + * + * Example where this function returns `null`: + * + * static + * // comment + * { + * } + * + * Example where this function returns `StaticBlock` node: + * + * static + * { + * // comment + * } + * + */ + if (node && node.type === "StaticBlock") { + const openingBrace = sourceCode.getFirstToken(node, { + skip: 1, + }); // skip the `static` token + + return token.range[0] >= openingBrace.range[0] ? node : null; + } + + return node; + } + + /** + * Returns whether or not comments are at the parent start or not. + * @param {token} token The Comment token. + * @param {string} nodeType The parent type to check against. + * @returns {boolean} True if the comment is at parent start. + */ + function isCommentAtParentStart(token, nodeType) { + const parent = getParentNodeOfToken(token); + + if (parent && isParentNodeType(parent, nodeType)) { + let parentStartNodeOrToken = parent; + + if (parent.type === "StaticBlock") { + parentStartNodeOrToken = sourceCode.getFirstToken(parent, { + skip: 1, + }); // opening brace of the static block + } else if (parent.type === "SwitchStatement") { + parentStartNodeOrToken = sourceCode.getTokenAfter( + parent.discriminant, + { + filter: astUtils.isOpeningBraceToken, + }, + ); // opening brace of the switch statement + } + + return ( + token.loc.start.line - + parentStartNodeOrToken.loc.start.line === + 1 + ); + } + + return false; + } + + /** + * Returns whether or not comments are at the parent end or not. + * @param {token} token The Comment token. + * @param {string} nodeType The parent type to check against. + * @returns {boolean} True if the comment is at parent end. + */ + function isCommentAtParentEnd(token, nodeType) { + const parent = getParentNodeOfToken(token); + + return ( + !!parent && + isParentNodeType(parent, nodeType) && + parent.loc.end.line - token.loc.end.line === 1 + ); + } + + /** + * Returns whether or not comments are at the block start or not. + * @param {token} token The Comment token. + * @returns {boolean} True if the comment is at block start. + */ + function isCommentAtBlockStart(token) { + return ( + isCommentAtParentStart(token, "ClassBody") || + isCommentAtParentStart(token, "BlockStatement") || + isCommentAtParentStart(token, "StaticBlock") || + isCommentAtParentStart(token, "SwitchCase") || + isCommentAtParentStart(token, "SwitchStatement") + ); + } + + /** + * Returns whether or not comments are at the block end or not. + * @param {token} token The Comment token. + * @returns {boolean} True if the comment is at block end. + */ + function isCommentAtBlockEnd(token) { + return ( + isCommentAtParentEnd(token, "ClassBody") || + isCommentAtParentEnd(token, "BlockStatement") || + isCommentAtParentEnd(token, "StaticBlock") || + isCommentAtParentEnd(token, "SwitchCase") || + isCommentAtParentEnd(token, "SwitchStatement") + ); + } + + /** + * Returns whether or not comments are at the class start or not. + * @param {token} token The Comment token. + * @returns {boolean} True if the comment is at class start. + */ + function isCommentAtClassStart(token) { + return isCommentAtParentStart(token, "ClassBody"); + } + + /** + * Returns whether or not comments are at the class end or not. + * @param {token} token The Comment token. + * @returns {boolean} True if the comment is at class end. + */ + function isCommentAtClassEnd(token) { + return isCommentAtParentEnd(token, "ClassBody"); + } + + /** + * Returns whether or not comments are at the object start or not. + * @param {token} token The Comment token. + * @returns {boolean} True if the comment is at object start. + */ + function isCommentAtObjectStart(token) { + return ( + isCommentAtParentStart(token, "ObjectExpression") || + isCommentAtParentStart(token, "ObjectPattern") + ); + } + + /** + * Returns whether or not comments are at the object end or not. + * @param {token} token The Comment token. + * @returns {boolean} True if the comment is at object end. + */ + function isCommentAtObjectEnd(token) { + return ( + isCommentAtParentEnd(token, "ObjectExpression") || + isCommentAtParentEnd(token, "ObjectPattern") + ); + } + + /** + * Returns whether or not comments are at the array start or not. + * @param {token} token The Comment token. + * @returns {boolean} True if the comment is at array start. + */ + function isCommentAtArrayStart(token) { + return ( + isCommentAtParentStart(token, "ArrayExpression") || + isCommentAtParentStart(token, "ArrayPattern") + ); + } + + /** + * Returns whether or not comments are at the array end or not. + * @param {token} token The Comment token. + * @returns {boolean} True if the comment is at array end. + */ + function isCommentAtArrayEnd(token) { + return ( + isCommentAtParentEnd(token, "ArrayExpression") || + isCommentAtParentEnd(token, "ArrayPattern") + ); + } + + /** + * Checks if a comment token has lines around it (ignores inline comments) + * @param {token} token The Comment token. + * @param {Object} opts Options to determine the newline. + * @param {boolean} opts.after Should have a newline after this line. + * @param {boolean} opts.before Should have a newline before this line. + * @returns {void} + */ + function checkForEmptyLine(token, opts) { + if ( + applyDefaultIgnorePatterns && + defaultIgnoreRegExp.test(token.value) + ) { + return; + } + + if (ignorePattern && customIgnoreRegExp.test(token.value)) { + return; + } + + let after = opts.after, + before = opts.before; + + const prevLineNum = token.loc.start.line - 1, + nextLineNum = token.loc.end.line + 1, + commentIsNotAlone = codeAroundComment(token); + + const blockStartAllowed = + options.allowBlockStart && + isCommentAtBlockStart(token) && + !( + options.allowClassStart === false && + isCommentAtClassStart(token) + ), + blockEndAllowed = + options.allowBlockEnd && + isCommentAtBlockEnd(token) && + !( + options.allowClassEnd === false && + isCommentAtClassEnd(token) + ), + classStartAllowed = + options.allowClassStart && isCommentAtClassStart(token), + classEndAllowed = + options.allowClassEnd && isCommentAtClassEnd(token), + objectStartAllowed = + options.allowObjectStart && isCommentAtObjectStart(token), + objectEndAllowed = + options.allowObjectEnd && isCommentAtObjectEnd(token), + arrayStartAllowed = + options.allowArrayStart && isCommentAtArrayStart(token), + arrayEndAllowed = + options.allowArrayEnd && isCommentAtArrayEnd(token); + + const exceptionStartAllowed = + blockStartAllowed || + classStartAllowed || + objectStartAllowed || + arrayStartAllowed; + const exceptionEndAllowed = + blockEndAllowed || + classEndAllowed || + objectEndAllowed || + arrayEndAllowed; + + // ignore top of the file and bottom of the file + if (prevLineNum < 1) { + before = false; + } + if (nextLineNum >= numLines) { + after = false; + } + + // we ignore all inline comments + if (commentIsNotAlone) { + return; + } + + const previousTokenOrComment = sourceCode.getTokenBefore(token, { + includeComments: true, + }); + const nextTokenOrComment = sourceCode.getTokenAfter(token, { + includeComments: true, + }); + + // check for newline before + if ( + !exceptionStartAllowed && + before && + !commentAndEmptyLines.has(prevLineNum) && + !( + astUtils.isCommentToken(previousTokenOrComment) && + astUtils.isTokenOnSameLine(previousTokenOrComment, token) + ) + ) { + const lineStart = token.range[0] - token.loc.start.column; + const range = [lineStart, lineStart]; + + context.report({ + node: token, + messageId: "before", + fix(fixer) { + return fixer.insertTextBeforeRange(range, "\n"); + }, + }); + } + + // check for newline after + if ( + !exceptionEndAllowed && + after && + !commentAndEmptyLines.has(nextLineNum) && + !( + astUtils.isCommentToken(nextTokenOrComment) && + astUtils.isTokenOnSameLine(token, nextTokenOrComment) + ) + ) { + context.report({ + node: token, + messageId: "after", + fix(fixer) { + return fixer.insertTextAfter(token, "\n"); + }, + }); + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program() { + comments.forEach(token => { + if (token.type === "Line") { + if ( + options.beforeLineComment || + options.afterLineComment + ) { + checkForEmptyLine(token, { + after: options.afterLineComment, + before: options.beforeLineComment, + }); + } + } else if (token.type === "Block") { + if ( + options.beforeBlockComment || + options.afterBlockComment + ) { + checkForEmptyLine(token, { + after: options.afterBlockComment, + before: options.beforeBlockComment, + }); + } + } else if (token.type === "Shebang") { + if (options.afterHashbangComment) { + checkForEmptyLine(token, { + after: options.afterHashbangComment, + before: false, + }); + } + } + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/lines-around-directive.js b/module/node_modules/eslint/lib/rules/lines-around-directive.js new file mode 100644 index 000000000..bf57154b3 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/lines-around-directive.js @@ -0,0 +1,249 @@ +/** + * @fileoverview Require or disallow newlines around directives. + * @author Kai Cataldo + * @deprecated in ESLint v4.0.0 + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "layout", + + docs: { + description: "Require or disallow newlines around directives", + recommended: false, + url: "https://eslint.org/docs/latest/rules/lines-around-directive", + }, + + schema: [ + { + oneOf: [ + { + enum: ["always", "never"], + }, + { + type: "object", + properties: { + before: { + enum: ["always", "never"], + }, + after: { + enum: ["always", "never"], + }, + }, + additionalProperties: false, + minProperties: 2, + }, + ], + }, + ], + + fixable: "whitespace", + messages: { + expected: 'Expected newline {{location}} "{{value}}" directive.', + unexpected: + 'Unexpected newline {{location}} "{{value}}" directive.', + }, + deprecated: { + message: "The rule was replaced with a more general rule.", + url: "https://eslint.org/blog/2017/06/eslint-v4.0.0-released/", + deprecatedSince: "4.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: "The new rule moved to a plugin.", + url: "https://eslint.org/docs/latest/rules/padding-line-between-statements#examples", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "padding-line-between-statements", + url: "https://eslint.style/rules/padding-line-between-statements", + }, + }, + ], + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const config = context.options[0] || "always"; + const expectLineBefore = + typeof config === "string" ? config : config.before; + const expectLineAfter = + typeof config === "string" ? config : config.after; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Check if node is preceded by a blank newline. + * @param {ASTNode} node Node to check. + * @returns {boolean} Whether or not the passed in node is preceded by a blank newline. + */ + function hasNewlineBefore(node) { + const tokenBefore = sourceCode.getTokenBefore(node, { + includeComments: true, + }); + const tokenLineBefore = tokenBefore ? tokenBefore.loc.end.line : 0; + + return node.loc.start.line - tokenLineBefore >= 2; + } + + /** + * Gets the last token of a node that is on the same line as the rest of the node. + * This will usually be the last token of the node, but it will be the second-to-last token if the node has a trailing + * semicolon on a different line. + * @param {ASTNode} node A directive node + * @returns {Token} The last token of the node on the line + */ + function getLastTokenOnLine(node) { + const lastToken = sourceCode.getLastToken(node); + const secondToLastToken = sourceCode.getTokenBefore(lastToken); + + return astUtils.isSemicolonToken(lastToken) && + lastToken.loc.start.line > secondToLastToken.loc.end.line + ? secondToLastToken + : lastToken; + } + + /** + * Check if node is followed by a blank newline. + * @param {ASTNode} node Node to check. + * @returns {boolean} Whether or not the passed in node is followed by a blank newline. + */ + function hasNewlineAfter(node) { + const lastToken = getLastTokenOnLine(node); + const tokenAfter = sourceCode.getTokenAfter(lastToken, { + includeComments: true, + }); + + return tokenAfter.loc.start.line - lastToken.loc.end.line >= 2; + } + + /** + * Report errors for newlines around directives. + * @param {ASTNode} node Node to check. + * @param {string} location Whether the error was found before or after the directive. + * @param {boolean} expected Whether or not a newline was expected or unexpected. + * @returns {void} + */ + function reportError(node, location, expected) { + context.report({ + node, + messageId: expected ? "expected" : "unexpected", + data: { + value: node.expression.value, + location, + }, + fix(fixer) { + const lastToken = getLastTokenOnLine(node); + + if (expected) { + return location === "before" + ? fixer.insertTextBefore(node, "\n") + : fixer.insertTextAfter(lastToken, "\n"); + } + return fixer.removeRange( + location === "before" + ? [node.range[0] - 1, node.range[0]] + : [lastToken.range[1], lastToken.range[1] + 1], + ); + }, + }); + } + + /** + * Check lines around directives in node + * @param {ASTNode} node node to check + * @returns {void} + */ + function checkDirectives(node) { + const directives = astUtils.getDirectivePrologue(node); + + if (!directives.length) { + return; + } + + const firstDirective = directives[0]; + const leadingComments = + sourceCode.getCommentsBefore(firstDirective); + + /* + * Only check before the first directive if it is preceded by a comment or if it is at the top of + * the file and expectLineBefore is set to "never". This is to not force a newline at the top of + * the file if there are no comments as well as for compatibility with padded-blocks. + */ + if (leadingComments.length) { + if ( + expectLineBefore === "always" && + !hasNewlineBefore(firstDirective) + ) { + reportError(firstDirective, "before", true); + } + + if ( + expectLineBefore === "never" && + hasNewlineBefore(firstDirective) + ) { + reportError(firstDirective, "before", false); + } + } else if ( + node.type === "Program" && + expectLineBefore === "never" && + !leadingComments.length && + hasNewlineBefore(firstDirective) + ) { + reportError(firstDirective, "before", false); + } + + const lastDirective = directives.at(-1); + const statements = + node.type === "Program" ? node.body : node.body.body; + + /* + * Do not check after the last directive if the body only + * contains a directive prologue and isn't followed by a comment to ensure + * this rule behaves well with padded-blocks. + */ + if ( + lastDirective === statements.at(-1) && + !lastDirective.trailingComments + ) { + return; + } + + if ( + expectLineAfter === "always" && + !hasNewlineAfter(lastDirective) + ) { + reportError(lastDirective, "after", true); + } + + if (expectLineAfter === "never" && hasNewlineAfter(lastDirective)) { + reportError(lastDirective, "after", false); + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program: checkDirectives, + FunctionDeclaration: checkDirectives, + FunctionExpression: checkDirectives, + ArrowFunctionExpression: checkDirectives, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/lines-between-class-members.js b/module/node_modules/eslint/lib/rules/lines-between-class-members.js new file mode 100644 index 000000000..896169985 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/lines-between-class-members.js @@ -0,0 +1,358 @@ +/** + * @fileoverview Rule to check empty newline between class members + * @author 薛定谔的猫 + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Types of class members. + * Those have `test` method to check it matches to the given class member. + * @private + */ +const ClassMemberTypes = { + "*": { test: () => true }, + field: { test: node => node.type === "PropertyDefinition" }, + method: { test: node => node.type === "MethodDefinition" }, +}; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "lines-between-class-members", + url: "https://eslint.style/rules/lines-between-class-members", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Require or disallow an empty line between class members", + recommended: false, + url: "https://eslint.org/docs/latest/rules/lines-between-class-members", + }, + + fixable: "whitespace", + + schema: [ + { + anyOf: [ + { + type: "object", + properties: { + enforce: { + type: "array", + items: { + type: "object", + properties: { + blankLine: { + enum: ["always", "never"], + }, + prev: { + enum: ["method", "field", "*"], + }, + next: { + enum: ["method", "field", "*"], + }, + }, + additionalProperties: false, + required: ["blankLine", "prev", "next"], + }, + minItems: 1, + }, + }, + additionalProperties: false, + required: ["enforce"], + }, + { + enum: ["always", "never"], + }, + ], + }, + { + type: "object", + properties: { + exceptAfterSingleLine: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + messages: { + never: "Unexpected blank line between class members.", + always: "Expected blank line between class members.", + }, + }, + + create(context) { + const options = []; + + options[0] = context.options[0] || "always"; + options[1] = context.options[1] || { exceptAfterSingleLine: false }; + + const configureList = + typeof options[0] === "object" + ? options[0].enforce + : [{ blankLine: options[0], prev: "*", next: "*" }]; + const sourceCode = context.sourceCode; + + /** + * Gets a pair of tokens that should be used to check lines between two class member nodes. + * + * In most cases, this returns the very last token of the current node and + * the very first token of the next node. + * For example: + * + * class C { + * x = 1; // curLast: `;` nextFirst: `in` + * in = 2 + * } + * + * There is only one exception. If the given node ends with a semicolon, and it looks like + * a semicolon-less style's semicolon - one that is not on the same line as the preceding + * token, but is on the line where the next class member starts - this returns the preceding + * token and the semicolon as boundary tokens. + * For example: + * + * class C { + * x = 1 // curLast: `1` nextFirst: `;` + * ;in = 2 + * } + * When determining the desired layout of the code, we should treat this semicolon as + * a part of the next class member node instead of the one it technically belongs to. + * @param {ASTNode} curNode Current class member node. + * @param {ASTNode} nextNode Next class member node. + * @returns {Token} The actual last token of `node`. + * @private + */ + function getBoundaryTokens(curNode, nextNode) { + const lastToken = sourceCode.getLastToken(curNode); + const prevToken = sourceCode.getTokenBefore(lastToken); + const nextToken = sourceCode.getFirstToken(nextNode); // skip possible lone `;` between nodes + + const isSemicolonLessStyle = + astUtils.isSemicolonToken(lastToken) && + !astUtils.isTokenOnSameLine(prevToken, lastToken) && + astUtils.isTokenOnSameLine(lastToken, nextToken); + + return isSemicolonLessStyle + ? { curLast: prevToken, nextFirst: lastToken } + : { curLast: lastToken, nextFirst: nextToken }; + } + + /** + * Return the last token among the consecutive tokens that have no exceed max line difference in between, before the first token in the next member. + * @param {Token} prevLastToken The last token in the previous member node. + * @param {Token} nextFirstToken The first token in the next member node. + * @param {number} maxLine The maximum number of allowed line difference between consecutive tokens. + * @returns {Token} The last token among the consecutive tokens. + */ + function findLastConsecutiveTokenAfter( + prevLastToken, + nextFirstToken, + maxLine, + ) { + const after = sourceCode.getTokenAfter(prevLastToken, { + includeComments: true, + }); + + if ( + after !== nextFirstToken && + after.loc.start.line - prevLastToken.loc.end.line <= maxLine + ) { + return findLastConsecutiveTokenAfter( + after, + nextFirstToken, + maxLine, + ); + } + return prevLastToken; + } + + /** + * Return the first token among the consecutive tokens that have no exceed max line difference in between, after the last token in the previous member. + * @param {Token} nextFirstToken The first token in the next member node. + * @param {Token} prevLastToken The last token in the previous member node. + * @param {number} maxLine The maximum number of allowed line difference between consecutive tokens. + * @returns {Token} The first token among the consecutive tokens. + */ + function findFirstConsecutiveTokenBefore( + nextFirstToken, + prevLastToken, + maxLine, + ) { + const before = sourceCode.getTokenBefore(nextFirstToken, { + includeComments: true, + }); + + if ( + before !== prevLastToken && + nextFirstToken.loc.start.line - before.loc.end.line <= maxLine + ) { + return findFirstConsecutiveTokenBefore( + before, + prevLastToken, + maxLine, + ); + } + return nextFirstToken; + } + + /** + * Checks if there is a token or comment between two tokens. + * @param {Token} before The token before. + * @param {Token} after The token after. + * @returns {boolean} True if there is a token or comment between two tokens. + */ + function hasTokenOrCommentBetween(before, after) { + return ( + sourceCode.getTokensBetween(before, after, { + includeComments: true, + }).length !== 0 + ); + } + + /** + * Checks whether the given node matches the given type. + * @param {ASTNode} node The class member node to check. + * @param {string} type The class member type to check. + * @returns {boolean} `true` if the class member node matched the type. + * @private + */ + function match(node, type) { + return ClassMemberTypes[type].test(node); + } + + /** + * Finds the last matched configuration from the configureList. + * @param {ASTNode} prevNode The previous node to match. + * @param {ASTNode} nextNode The current node to match. + * @returns {string|null} Padding type or `null` if no matches were found. + * @private + */ + function getPaddingType(prevNode, nextNode) { + for (let i = configureList.length - 1; i >= 0; --i) { + const configure = configureList[i]; + const matched = + match(prevNode, configure.prev) && + match(nextNode, configure.next); + + if (matched) { + return configure.blankLine; + } + } + return null; + } + + return { + ClassBody(node) { + const body = node.body; + + for (let i = 0; i < body.length - 1; i++) { + const curFirst = sourceCode.getFirstToken(body[i]); + const { curLast, nextFirst } = getBoundaryTokens( + body[i], + body[i + 1], + ); + const isMulti = !astUtils.isTokenOnSameLine( + curFirst, + curLast, + ); + const skip = !isMulti && options[1].exceptAfterSingleLine; + const beforePadding = findLastConsecutiveTokenAfter( + curLast, + nextFirst, + 1, + ); + const afterPadding = findFirstConsecutiveTokenBefore( + nextFirst, + curLast, + 1, + ); + const isPadded = + afterPadding.loc.start.line - + beforePadding.loc.end.line > + 1; + const hasTokenInPadding = hasTokenOrCommentBetween( + beforePadding, + afterPadding, + ); + const curLineLastToken = findLastConsecutiveTokenAfter( + curLast, + nextFirst, + 0, + ); + const paddingType = getPaddingType(body[i], body[i + 1]); + + if (paddingType === "never" && isPadded) { + context.report({ + node: body[i + 1], + messageId: "never", + + fix(fixer) { + if (hasTokenInPadding) { + return null; + } + return fixer.replaceTextRange( + [ + beforePadding.range[1], + afterPadding.range[0], + ], + "\n", + ); + }, + }); + } else if (paddingType === "always" && !skip && !isPadded) { + context.report({ + node: body[i + 1], + messageId: "always", + + fix(fixer) { + if (hasTokenInPadding) { + return null; + } + return fixer.insertTextAfter( + curLineLastToken, + "\n", + ); + }, + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/logical-assignment-operators.js b/module/node_modules/eslint/lib/rules/logical-assignment-operators.js new file mode 100644 index 000000000..38103f16c --- /dev/null +++ b/module/node_modules/eslint/lib/rules/logical-assignment-operators.js @@ -0,0 +1,688 @@ +/** + * @fileoverview Rule to replace assignment expressions with logical operator assignment + * @author Daniel Martens + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ +const astUtils = require("./utils/ast-utils.js"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const baseTypes = new Set(["Identifier", "Super", "ThisExpression"]); + +/** + * Returns true iff either "undefined" or a void expression (eg. "void 0") + * @param {ASTNode} expression Expression to check + * @param {import('eslint-scope').Scope} scope Scope of the expression + * @returns {boolean} True iff "undefined" or "void ..." + */ +function isUndefined(expression, scope) { + if (expression.type === "Identifier" && expression.name === "undefined") { + return astUtils.isReferenceToGlobalVariable(scope, expression); + } + + return ( + expression.type === "UnaryExpression" && + expression.operator === "void" && + expression.argument.type === "Literal" && + expression.argument.value === 0 + ); +} + +/** + * Returns true iff the reference is either an identifier or member expression + * @param {ASTNode} expression Expression to check + * @returns {boolean} True for identifiers and member expressions + */ +function isReference(expression) { + return ( + (expression.type === "Identifier" && expression.name !== "undefined") || + expression.type === "MemberExpression" + ); +} + +/** + * Returns true iff the expression checks for nullish with loose equals. + * Examples: value == null, value == void 0 + * @param {ASTNode} expression Test condition + * @param {import('eslint-scope').Scope} scope Scope of the expression + * @returns {boolean} True iff implicit nullish comparison + */ +function isImplicitNullishComparison(expression, scope) { + if ( + expression.type !== "BinaryExpression" || + expression.operator !== "==" + ) { + return false; + } + + const reference = isReference(expression.left) ? "left" : "right"; + const nullish = reference === "left" ? "right" : "left"; + + return ( + isReference(expression[reference]) && + (astUtils.isNullLiteral(expression[nullish]) || + isUndefined(expression[nullish], scope)) + ); +} + +/** + * Condition with two equal comparisons. + * @param {ASTNode} expression Condition + * @returns {boolean} True iff matches ? === ? || ? === ? + */ +function isDoubleComparison(expression) { + return ( + expression.type === "LogicalExpression" && + expression.operator === "||" && + expression.left.type === "BinaryExpression" && + expression.left.operator === "===" && + expression.right.type === "BinaryExpression" && + expression.right.operator === "===" + ); +} + +/** + * Returns true iff the expression checks for undefined and null. + * Example: value === null || value === undefined + * @param {ASTNode} expression Test condition + * @param {import('eslint-scope').Scope} scope Scope of the expression + * @returns {boolean} True iff explicit nullish comparison + */ +function isExplicitNullishComparison(expression, scope) { + if (!isDoubleComparison(expression)) { + return false; + } + const leftReference = isReference(expression.left.left) ? "left" : "right"; + const leftNullish = leftReference === "left" ? "right" : "left"; + const rightReference = isReference(expression.right.left) + ? "left" + : "right"; + const rightNullish = rightReference === "left" ? "right" : "left"; + + return ( + astUtils.isSameReference( + expression.left[leftReference], + expression.right[rightReference], + ) && + ((astUtils.isNullLiteral(expression.left[leftNullish]) && + isUndefined(expression.right[rightNullish], scope)) || + (isUndefined(expression.left[leftNullish], scope) && + astUtils.isNullLiteral(expression.right[rightNullish]))) + ); +} + +/** + * Returns true for Boolean(arg) calls + * @param {ASTNode} expression Test condition + * @param {import('eslint-scope').Scope} scope Scope of the expression + * @returns {boolean} Whether the expression is a boolean cast + */ +function isBooleanCast(expression, scope) { + return ( + expression.type === "CallExpression" && + expression.callee.name === "Boolean" && + expression.arguments.length === 1 && + astUtils.isReferenceToGlobalVariable(scope, expression.callee) + ); +} + +/** + * Returns true for: + * truthiness checks: value, Boolean(value), !!value + * falsiness checks: !value, !Boolean(value) + * nullish checks: value == null, value === undefined || value === null + * @param {ASTNode} expression Test condition + * @param {import('eslint-scope').Scope} scope Scope of the expression + * @returns {?{ reference: ASTNode, operator: '??'|'||'|'&&'}} Null if not a known existence + */ +function getExistence(expression, scope) { + const isNegated = + expression.type === "UnaryExpression" && expression.operator === "!"; + const base = isNegated ? expression.argument : expression; + + switch (true) { + case isReference(base): + return { reference: base, operator: isNegated ? "||" : "&&" }; + case base.type === "UnaryExpression" && + base.operator === "!" && + isReference(base.argument): + return { reference: base.argument, operator: "&&" }; + case isBooleanCast(base, scope) && isReference(base.arguments[0]): + return { + reference: base.arguments[0], + operator: isNegated ? "||" : "&&", + }; + case isImplicitNullishComparison(expression, scope): + return { + reference: isReference(expression.left) + ? expression.left + : expression.right, + operator: "??", + }; + case isExplicitNullishComparison(expression, scope): + return { + reference: isReference(expression.left.left) + ? expression.left.left + : expression.left.right, + operator: "??", + }; + default: + return null; + } +} + +/** + * Returns true iff the node is inside a with block + * @param {ASTNode} node Node to check + * @returns {boolean} True iff passed node is inside a with block + */ +function isInsideWithBlock(node) { + if (node.type === "Program") { + return false; + } + + return node.parent.type === "WithStatement" && node.parent.body === node + ? true + : isInsideWithBlock(node.parent); +} + +/** + * Gets the leftmost operand of a consecutive logical expression. + * @param {SourceCode} sourceCode The ESLint source code object + * @param {LogicalExpression} node LogicalExpression + * @returns {Expression} Leftmost operand + */ +function getLeftmostOperand(sourceCode, node) { + let left = node.left; + + while ( + left.type === "LogicalExpression" && + left.operator === node.operator + ) { + if (astUtils.isParenthesised(sourceCode, left)) { + /* + * It should have associativity, + * but ignore it if use parentheses to make the evaluation order clear. + */ + return left; + } + left = left.left; + } + return left; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Require or disallow logical assignment operator shorthand", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/logical-assignment-operators", + }, + + schema: { + type: "array", + oneOf: [ + { + items: [ + { const: "always" }, + { + type: "object", + properties: { + enforceForIfStatements: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + minItems: 0, // 0 for allowing passing no options + maxItems: 2, + }, + { + items: [{ const: "never" }], + minItems: 1, + maxItems: 1, + }, + ], + }, + fixable: "code", + hasSuggestions: true, + messages: { + assignment: + "Assignment (=) can be replaced with operator assignment ({{operator}}).", + useLogicalOperator: + "Convert this assignment to use the operator {{ operator }}.", + logical: + "Logical expression can be replaced with an assignment ({{ operator }}).", + convertLogical: + "Replace this logical expression with an assignment with the operator {{ operator }}.", + if: "'if' statement can be replaced with a logical operator assignment with operator {{ operator }}.", + convertIf: + "Replace this 'if' statement with a logical assignment with operator {{ operator }}.", + unexpected: + "Unexpected logical operator assignment ({{operator}}) shorthand.", + separate: + "Separate the logical assignment into an assignment with a logical operator.", + }, + }, + + create(context) { + const mode = context.options[0] === "never" ? "never" : "always"; + const checkIf = + mode === "always" && + context.options.length > 1 && + context.options[1].enforceForIfStatements; + const sourceCode = context.sourceCode; + const isStrict = sourceCode.getScope(sourceCode.ast).isStrict; + + /** + * Returns false if the access could be a getter + * @param {ASTNode} node Assignment expression + * @returns {boolean} True iff the fix is safe + */ + function cannotBeGetter(node) { + return ( + node.type === "Identifier" && + (isStrict || !isInsideWithBlock(node)) + ); + } + + /** + * Check whether only a single property is accessed + * @param {ASTNode} node reference + * @returns {boolean} True iff a single property is accessed + */ + function accessesSingleProperty(node) { + if (!isStrict && isInsideWithBlock(node)) { + return node.type === "Identifier"; + } + + return ( + node.type === "MemberExpression" && + baseTypes.has(node.object.type) && + (!node.computed || + (node.property.type !== "MemberExpression" && + node.property.type !== "ChainExpression")) + ); + } + + /** + * Adds a fixer or suggestion whether on the fix is safe. + * @param {{ messageId: string, node: ASTNode }} descriptor Report descriptor without fix or suggest + * @param {{ messageId: string, fix: Function }} suggestion Adds the fix or the whole suggestion as only element in "suggest" to suggestion + * @param {boolean} shouldBeFixed Fix iff the condition is true + * @returns {Object} Descriptor with either an added fix or suggestion + */ + function createConditionalFixer(descriptor, suggestion, shouldBeFixed) { + if (shouldBeFixed) { + return { + ...descriptor, + fix: suggestion.fix, + }; + } + + return { + ...descriptor, + suggest: [suggestion], + }; + } + + /** + * Returns the operator token for assignments and binary expressions + * @param {ASTNode} node AssignmentExpression or BinaryExpression + * @returns {import('eslint').AST.Token} Operator token between the left and right expression + */ + function getOperatorToken(node) { + return sourceCode.getFirstTokenBetween( + node.left, + node.right, + token => token.value === node.operator, + ); + } + + if (mode === "never") { + return { + // foo ||= bar + AssignmentExpression(assignment) { + if ( + !astUtils.isLogicalAssignmentOperator( + assignment.operator, + ) + ) { + return; + } + + const descriptor = { + messageId: "unexpected", + node: assignment, + data: { operator: assignment.operator }, + }; + const suggestion = { + messageId: "separate", + *fix(ruleFixer) { + if ( + sourceCode.getCommentsInside(assignment) + .length > 0 + ) { + return; + } + + const operatorToken = getOperatorToken(assignment); + + // -> foo = bar + yield ruleFixer.replaceText(operatorToken, "="); + + const assignmentText = sourceCode.getText( + assignment.left, + ); + const operator = assignment.operator.slice(0, -1); + + // -> foo = foo || bar + yield ruleFixer.insertTextAfter( + operatorToken, + ` ${assignmentText} ${operator}`, + ); + + const precedence = + astUtils.getPrecedence(assignment.right) <= + astUtils.getPrecedence({ + type: "LogicalExpression", + operator, + }); + + // ?? and || / && cannot be mixed but have same precedence + const mixed = + assignment.operator === "??=" && + astUtils.isLogicalExpression(assignment.right); + + if ( + !astUtils.isParenthesised( + sourceCode, + assignment.right, + ) && + (precedence || mixed) + ) { + // -> foo = foo || (bar) + yield ruleFixer.insertTextBefore( + assignment.right, + "(", + ); + yield ruleFixer.insertTextAfter( + assignment.right, + ")", + ); + } + }, + }; + + context.report( + createConditionalFixer( + descriptor, + suggestion, + cannotBeGetter(assignment.left), + ), + ); + }, + }; + } + + return { + // foo = foo || bar + "AssignmentExpression[operator='='][right.type='LogicalExpression']"( + assignment, + ) { + const leftOperand = getLeftmostOperand( + sourceCode, + assignment.right, + ); + + if (!astUtils.isSameReference(assignment.left, leftOperand)) { + return; + } + + const descriptor = { + messageId: "assignment", + node: assignment, + data: { operator: `${assignment.right.operator}=` }, + }; + const suggestion = { + messageId: "useLogicalOperator", + data: { operator: `${assignment.right.operator}=` }, + *fix(ruleFixer) { + if ( + sourceCode.getCommentsInside(assignment).length > 0 + ) { + return; + } + + // No need for parenthesis around the assignment based on precedence as the precedence stays the same even with changed operator + const assignmentOperatorToken = + getOperatorToken(assignment); + + // -> foo ||= foo || bar + yield ruleFixer.insertTextBefore( + assignmentOperatorToken, + assignment.right.operator, + ); + + // -> foo ||= bar + const logicalOperatorToken = getOperatorToken( + leftOperand.parent, + ); + const firstRightOperandToken = + sourceCode.getTokenAfter(logicalOperatorToken); + + yield ruleFixer.removeRange([ + leftOperand.parent.range[0], + firstRightOperandToken.range[0], + ]); + }, + }; + + context.report( + createConditionalFixer( + descriptor, + suggestion, + cannotBeGetter(assignment.left), + ), + ); + }, + + // foo || (foo = bar) + 'LogicalExpression[right.type="AssignmentExpression"][right.operator="="]'( + logical, + ) { + // Right side has to be parenthesized, otherwise would be parsed as (foo || foo) = bar which is illegal + if ( + isReference(logical.left) && + astUtils.isSameReference(logical.left, logical.right.left) + ) { + const descriptor = { + messageId: "logical", + node: logical, + data: { operator: `${logical.operator}=` }, + }; + const suggestion = { + messageId: "convertLogical", + data: { operator: `${logical.operator}=` }, + *fix(ruleFixer) { + if ( + sourceCode.getCommentsInside(logical).length > 0 + ) { + return; + } + + const parentPrecedence = astUtils.getPrecedence( + logical.parent, + ); + const requiresOuterParenthesis = + logical.parent.type !== "ExpressionStatement" && + (parentPrecedence === -1 || + astUtils.getPrecedence({ + type: "AssignmentExpression", + }) < parentPrecedence); + + if ( + !astUtils.isParenthesised( + sourceCode, + logical, + ) && + requiresOuterParenthesis + ) { + yield ruleFixer.insertTextBefore(logical, "("); + yield ruleFixer.insertTextAfter(logical, ")"); + } + + // Also removes all opening parenthesis + yield ruleFixer.removeRange([ + logical.range[0], + logical.right.range[0], + ]); // -> foo = bar) + + // Also removes all ending parenthesis + yield ruleFixer.removeRange([ + logical.right.range[1], + logical.range[1], + ]); // -> foo = bar + + const operatorToken = getOperatorToken( + logical.right, + ); + + yield ruleFixer.insertTextBefore( + operatorToken, + logical.operator, + ); // -> foo ||= bar + }, + }; + const fix = + cannotBeGetter(logical.left) || + accessesSingleProperty(logical.left); + + context.report( + createConditionalFixer(descriptor, suggestion, fix), + ); + } + }, + + // if (foo) foo = bar + "IfStatement[alternate=null]"(ifNode) { + if (!checkIf) { + return; + } + + const hasBody = ifNode.consequent.type === "BlockStatement"; + + if (hasBody && ifNode.consequent.body.length !== 1) { + return; + } + + const body = hasBody + ? ifNode.consequent.body[0] + : ifNode.consequent; + const scope = sourceCode.getScope(ifNode); + const existence = getExistence(ifNode.test, scope); + + if ( + body.type === "ExpressionStatement" && + body.expression.type === "AssignmentExpression" && + body.expression.operator === "=" && + existence !== null && + astUtils.isSameReference( + existence.reference, + body.expression.left, + ) + ) { + const descriptor = { + messageId: "if", + node: ifNode, + data: { operator: `${existence.operator}=` }, + }; + const suggestion = { + messageId: "convertIf", + data: { operator: `${existence.operator}=` }, + *fix(ruleFixer) { + if ( + sourceCode.getCommentsInside(ifNode).length > 0 + ) { + return; + } + + const firstBodyToken = + sourceCode.getFirstToken(body); + const prevToken = sourceCode.getTokenBefore(ifNode); + + if ( + prevToken !== null && + prevToken.value !== ";" && + prevToken.value !== "{" && + firstBodyToken.type !== "Identifier" && + firstBodyToken.type !== "Keyword" + ) { + // Do not fix if the fixed statement could be part of the previous statement (eg. fn() if (a == null) (a) = b --> fn()(a) ??= b) + return; + } + + const operatorToken = getOperatorToken( + body.expression, + ); + + yield ruleFixer.insertTextBefore( + operatorToken, + existence.operator, + ); // -> if (foo) foo ||= bar + + yield ruleFixer.removeRange([ + ifNode.range[0], + body.range[0], + ]); // -> foo ||= bar + + yield ruleFixer.removeRange([ + body.range[1], + ifNode.range[1], + ]); // -> foo ||= bar, only present if "if" had a body + + const nextToken = sourceCode.getTokenAfter( + body.expression, + ); + + if ( + hasBody && + nextToken !== null && + nextToken.value !== ";" + ) { + yield ruleFixer.insertTextAfter(ifNode, ";"); + } + }, + }; + const shouldBeFixed = + cannotBeGetter(existence.reference) || + (ifNode.test.type !== "LogicalExpression" && + accessesSingleProperty(existence.reference)); + + context.report( + createConditionalFixer( + descriptor, + suggestion, + shouldBeFixed, + ), + ); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/max-classes-per-file.js b/module/node_modules/eslint/lib/rules/max-classes-per-file.js new file mode 100644 index 000000000..3ede9edf2 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/max-classes-per-file.js @@ -0,0 +1,90 @@ +/** + * @fileoverview Enforce a maximum number of classes per file + * @author James Garbutt + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Enforce a maximum number of classes per file", + recommended: false, + url: "https://eslint.org/docs/latest/rules/max-classes-per-file", + }, + + schema: [ + { + oneOf: [ + { + type: "integer", + minimum: 1, + }, + { + type: "object", + properties: { + ignoreExpressions: { + type: "boolean", + }, + max: { + type: "integer", + minimum: 1, + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + maximumExceeded: + "File has too many classes ({{ classCount }}). Maximum allowed is {{ max }}.", + }, + }, + create(context) { + const [option = {}] = context.options; + const [ignoreExpressions, max] = + typeof option === "number" + ? [false, option || 1] + : [option.ignoreExpressions, option.max || 1]; + + let classCount = 0; + + return { + Program() { + classCount = 0; + }, + "Program:exit"(node) { + if (classCount > max) { + context.report({ + node, + messageId: "maximumExceeded", + data: { + classCount, + max, + }, + }); + } + }, + ClassDeclaration() { + classCount++; + }, + ClassExpression() { + if (!ignoreExpressions) { + classCount++; + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/max-depth.js b/module/node_modules/eslint/lib/rules/max-depth.js new file mode 100644 index 000000000..f3c66b7ae --- /dev/null +++ b/module/node_modules/eslint/lib/rules/max-depth.js @@ -0,0 +1,159 @@ +/** + * @fileoverview A rule to set the maximum depth block can be nested in a function. + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Enforce a maximum depth that blocks can be nested", + recommended: false, + url: "https://eslint.org/docs/latest/rules/max-depth", + }, + + schema: [ + { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + type: "object", + properties: { + maximum: { + type: "integer", + minimum: 0, + }, + max: { + type: "integer", + minimum: 0, + }, + }, + additionalProperties: false, + }, + ], + }, + ], + messages: { + tooDeeply: + "Blocks are nested too deeply ({{depth}}). Maximum allowed is {{maxDepth}}.", + }, + }, + + create(context) { + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + const functionStack = [], + option = context.options[0]; + let maxDepth = 4; + + if ( + typeof option === "object" && + (Object.hasOwn(option, "maximum") || Object.hasOwn(option, "max")) + ) { + maxDepth = option.maximum || option.max; + } + if (typeof option === "number") { + maxDepth = option; + } + + /** + * When parsing a new function, store it in our function stack + * @returns {void} + * @private + */ + function startFunction() { + functionStack.push(0); + } + + /** + * When parsing is done then pop out the reference + * @returns {void} + * @private + */ + function endFunction() { + functionStack.pop(); + } + + /** + * Save the block and Evaluate the node + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function pushBlock(node) { + const len = ++functionStack[functionStack.length - 1]; + + if (len > maxDepth) { + context.report({ + node, + messageId: "tooDeeply", + data: { depth: len, maxDepth }, + }); + } + } + + /** + * Pop the saved block + * @returns {void} + * @private + */ + function popBlock() { + functionStack[functionStack.length - 1]--; + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + Program: startFunction, + FunctionDeclaration: startFunction, + FunctionExpression: startFunction, + ArrowFunctionExpression: startFunction, + StaticBlock: startFunction, + + IfStatement(node) { + if (node.parent.type !== "IfStatement") { + pushBlock(node); + } + }, + SwitchStatement: pushBlock, + TryStatement: pushBlock, + DoWhileStatement: pushBlock, + WhileStatement: pushBlock, + WithStatement: pushBlock, + ForStatement: pushBlock, + ForInStatement: pushBlock, + ForOfStatement: pushBlock, + + "IfStatement:exit": popBlock, + "SwitchStatement:exit": popBlock, + "TryStatement:exit": popBlock, + "DoWhileStatement:exit": popBlock, + "WhileStatement:exit": popBlock, + "WithStatement:exit": popBlock, + "ForStatement:exit": popBlock, + "ForInStatement:exit": popBlock, + "ForOfStatement:exit": popBlock, + + "FunctionDeclaration:exit": endFunction, + "FunctionExpression:exit": endFunction, + "ArrowFunctionExpression:exit": endFunction, + "StaticBlock:exit": endFunction, + "Program:exit": endFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/max-len.js b/module/node_modules/eslint/lib/rules/max-len.js new file mode 100644 index 000000000..108918f88 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/max-len.js @@ -0,0 +1,497 @@ +/** + * @fileoverview Rule to check for max length on a line. + * @author Matt DuVall + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Constants +//------------------------------------------------------------------------------ + +const OPTIONS_SCHEMA = { + type: "object", + properties: { + code: { + type: "integer", + minimum: 0, + }, + comments: { + type: "integer", + minimum: 0, + }, + tabWidth: { + type: "integer", + minimum: 0, + }, + ignorePattern: { + type: "string", + }, + ignoreComments: { + type: "boolean", + }, + ignoreStrings: { + type: "boolean", + }, + ignoreUrls: { + type: "boolean", + }, + ignoreTemplateLiterals: { + type: "boolean", + }, + ignoreRegExpLiterals: { + type: "boolean", + }, + ignoreTrailingComments: { + type: "boolean", + }, + }, + additionalProperties: false, +}; + +const OPTIONS_OR_INTEGER_SCHEMA = { + anyOf: [ + OPTIONS_SCHEMA, + { + type: "integer", + minimum: 0, + }, + ], +}; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "max-len", + url: "https://eslint.style/rules/max-len", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce a maximum line length", + recommended: false, + url: "https://eslint.org/docs/latest/rules/max-len", + }, + + schema: [ + OPTIONS_OR_INTEGER_SCHEMA, + OPTIONS_OR_INTEGER_SCHEMA, + OPTIONS_SCHEMA, + ], + messages: { + max: "This line has a length of {{lineLength}}. Maximum allowed is {{maxLength}}.", + maxComment: + "This line has a comment length of {{lineLength}}. Maximum allowed is {{maxCommentLength}}.", + }, + }, + + create(context) { + /* + * Inspired by http://tools.ietf.org/html/rfc3986#appendix-B, however: + * - They're matching an entire string that we know is a URI + * - We're matching part of a string where we think there *might* be a URL + * - We're only concerned about URLs, as picking out any URI would cause + * too many false positives + * - We don't care about matching the entire URL, any small segment is fine + */ + const URL_REGEXP = /[^:/?#]:\/\/[^?#]/u; + + const sourceCode = context.sourceCode; + + /** + * Computes the length of a line that may contain tabs. The width of each + * tab will be the number of spaces to the next tab stop. + * @param {string} line The line. + * @param {number} tabWidth The width of each tab stop in spaces. + * @returns {number} The computed line length. + * @private + */ + function computeLineLength(line, tabWidth) { + let extraCharacterCount = 0; + + line.replace(/\t/gu, (match, offset) => { + const totalOffset = offset + extraCharacterCount, + previousTabStopOffset = tabWidth + ? totalOffset % tabWidth + : 0, + spaceCount = tabWidth - previousTabStopOffset; + + extraCharacterCount += spaceCount - 1; // -1 for the replaced tab + }); + return Array.from(line).length + extraCharacterCount; + } + + // The options object must be the last option specified… + const options = Object.assign({}, context.options.at(-1)); + + // …but max code length… + if (typeof context.options[0] === "number") { + options.code = context.options[0]; + } + + // …and tabWidth can be optionally specified directly as integers. + if (typeof context.options[1] === "number") { + options.tabWidth = context.options[1]; + } + + const maxLength = typeof options.code === "number" ? options.code : 80, + tabWidth = + typeof options.tabWidth === "number" ? options.tabWidth : 4, + ignoreComments = !!options.ignoreComments, + ignoreStrings = !!options.ignoreStrings, + ignoreTemplateLiterals = !!options.ignoreTemplateLiterals, + ignoreRegExpLiterals = !!options.ignoreRegExpLiterals, + ignoreTrailingComments = + !!options.ignoreTrailingComments || !!options.ignoreComments, + ignoreUrls = !!options.ignoreUrls, + maxCommentLength = options.comments; + let ignorePattern = options.ignorePattern || null; + + if (ignorePattern) { + ignorePattern = new RegExp(ignorePattern, "u"); + } + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Tells if a given comment is trailing: it starts on the current line and + * extends to or past the end of the current line. + * @param {string} line The source line we want to check for a trailing comment on + * @param {number} lineNumber The one-indexed line number for line + * @param {ASTNode} comment The comment to inspect + * @returns {boolean} If the comment is trailing on the given line + */ + function isTrailingComment(line, lineNumber, comment) { + return ( + comment && + comment.loc.start.line === lineNumber && + lineNumber <= comment.loc.end.line && + (comment.loc.end.line > lineNumber || + comment.loc.end.column === line.length) + ); + } + + /** + * Tells if a comment encompasses the entire line. + * @param {string} line The source line with a trailing comment + * @param {number} lineNumber The one-indexed line number this is on + * @param {ASTNode} comment The comment to remove + * @returns {boolean} If the comment covers the entire line + */ + function isFullLineComment(line, lineNumber, comment) { + const start = comment.loc.start, + end = comment.loc.end, + isFirstTokenOnLine = !line + .slice(0, comment.loc.start.column) + .trim(); + + return ( + comment && + (start.line < lineNumber || + (start.line === lineNumber && isFirstTokenOnLine)) && + (end.line > lineNumber || + (end.line === lineNumber && end.column === line.length)) + ); + } + + /** + * Check if a node is a JSXEmptyExpression contained in a single line JSXExpressionContainer. + * @param {ASTNode} node A node to check. + * @returns {boolean} True if the node is a JSXEmptyExpression contained in a single line JSXExpressionContainer. + */ + function isJSXEmptyExpressionInSingleLineContainer(node) { + if ( + !node || + !node.parent || + node.type !== "JSXEmptyExpression" || + node.parent.type !== "JSXExpressionContainer" + ) { + return false; + } + + const parent = node.parent; + + return parent.loc.start.line === parent.loc.end.line; + } + + /** + * Gets the line after the comment and any remaining trailing whitespace is + * stripped. + * @param {string} line The source line with a trailing comment + * @param {ASTNode} comment The comment to remove + * @returns {string} Line without comment and trailing whitespace + */ + function stripTrailingComment(line, comment) { + // loc.column is zero-indexed + return line.slice(0, comment.loc.start.column).replace(/\s+$/u, ""); + } + + /** + * Ensure that an array exists at [key] on `object`, and add `value` to it. + * @param {Object} object the object to mutate + * @param {string} key the object's key + * @param {any} value the value to add + * @returns {void} + * @private + */ + function ensureArrayAndPush(object, key, value) { + if (!Array.isArray(object[key])) { + object[key] = []; + } + object[key].push(value); + } + + /** + * Retrieves an array containing all strings (" or ') in the source code. + * @returns {ASTNode[]} An array of string nodes. + */ + function getAllStrings() { + return sourceCode.ast.tokens.filter( + token => + token.type === "String" || + (token.type === "JSXText" && + sourceCode.getNodeByRangeIndex(token.range[0] - 1) + .type === "JSXAttribute"), + ); + } + + /** + * Retrieves an array containing all template literals in the source code. + * @returns {ASTNode[]} An array of template literal nodes. + */ + function getAllTemplateLiterals() { + return sourceCode.ast.tokens.filter( + token => token.type === "Template", + ); + } + + /** + * Retrieves an array containing all RegExp literals in the source code. + * @returns {ASTNode[]} An array of RegExp literal nodes. + */ + function getAllRegExpLiterals() { + return sourceCode.ast.tokens.filter( + token => token.type === "RegularExpression", + ); + } + + /** + * + * reduce an array of AST nodes by line number, both start and end. + * @param {ASTNode[]} arr array of AST nodes + * @returns {Object} accululated AST nodes + */ + function groupArrayByLineNumber(arr) { + const obj = {}; + + for (let i = 0; i < arr.length; i++) { + const node = arr[i]; + + for (let j = node.loc.start.line; j <= node.loc.end.line; ++j) { + ensureArrayAndPush(obj, j, node); + } + } + return obj; + } + + /** + * Returns an array of all comments in the source code. + * If the element in the array is a JSXEmptyExpression contained with a single line JSXExpressionContainer, + * the element is changed with JSXExpressionContainer node. + * @returns {ASTNode[]} An array of comment nodes + */ + function getAllComments() { + const comments = []; + + sourceCode.getAllComments().forEach(commentNode => { + const containingNode = sourceCode.getNodeByRangeIndex( + commentNode.range[0], + ); + + if (isJSXEmptyExpressionInSingleLineContainer(containingNode)) { + // push a unique node only + if (comments.at(-1) !== containingNode.parent) { + comments.push(containingNode.parent); + } + } else { + comments.push(commentNode); + } + }); + + return comments; + } + + /** + * Check the program for max length + * @param {ASTNode} node Node to examine + * @returns {void} + * @private + */ + function checkProgramForMaxLength(node) { + // split (honors line-ending) + const lines = sourceCode.lines, + // list of comments to ignore + comments = + ignoreComments || maxCommentLength || ignoreTrailingComments + ? getAllComments() + : []; + + // we iterate over comments in parallel with the lines + let commentsIndex = 0; + + const strings = getAllStrings(); + const stringsByLine = groupArrayByLineNumber(strings); + + const templateLiterals = getAllTemplateLiterals(); + const templateLiteralsByLine = + groupArrayByLineNumber(templateLiterals); + + const regExpLiterals = getAllRegExpLiterals(); + const regExpLiteralsByLine = groupArrayByLineNumber(regExpLiterals); + + lines.forEach((line, i) => { + // i is zero-indexed, line numbers are one-indexed + const lineNumber = i + 1; + + /* + * if we're checking comment length; we need to know whether this + * line is a comment + */ + let lineIsComment = false; + let textToMeasure; + + /* + * We can short-circuit the comment checks if we're already out of + * comments to check. + */ + if (commentsIndex < comments.length) { + let comment; + + // iterate over comments until we find one past the current line + do { + comment = comments[++commentsIndex]; + } while (comment && comment.loc.start.line <= lineNumber); + + // and step back by one + comment = comments[--commentsIndex]; + + if (isFullLineComment(line, lineNumber, comment)) { + lineIsComment = true; + textToMeasure = line; + } else if ( + ignoreTrailingComments && + isTrailingComment(line, lineNumber, comment) + ) { + textToMeasure = stripTrailingComment(line, comment); + + // ignore multiple trailing comments in the same line + let lastIndex = commentsIndex; + + while ( + isTrailingComment( + textToMeasure, + lineNumber, + comments[--lastIndex], + ) + ) { + textToMeasure = stripTrailingComment( + textToMeasure, + comments[lastIndex], + ); + } + } else { + textToMeasure = line; + } + } else { + textToMeasure = line; + } + if ( + (ignorePattern && ignorePattern.test(textToMeasure)) || + (ignoreUrls && URL_REGEXP.test(textToMeasure)) || + (ignoreStrings && stringsByLine[lineNumber]) || + (ignoreTemplateLiterals && + templateLiteralsByLine[lineNumber]) || + (ignoreRegExpLiterals && regExpLiteralsByLine[lineNumber]) + ) { + // ignore this line + return; + } + + const lineLength = computeLineLength(textToMeasure, tabWidth); + const commentLengthApplies = lineIsComment && maxCommentLength; + + if (lineIsComment && ignoreComments) { + return; + } + + const loc = { + start: { + line: lineNumber, + column: 0, + }, + end: { + line: lineNumber, + column: textToMeasure.length, + }, + }; + + if (commentLengthApplies) { + if (lineLength > maxCommentLength) { + context.report({ + node, + loc, + messageId: "maxComment", + data: { + lineLength, + maxCommentLength, + }, + }); + } + } else if (lineLength > maxLength) { + context.report({ + node, + loc, + messageId: "max", + data: { + lineLength, + maxLength, + }, + }); + } + }); + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + Program: checkProgramForMaxLength, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/max-lines-per-function.js b/module/node_modules/eslint/lib/rules/max-lines-per-function.js new file mode 100644 index 000000000..fd9a783f4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/max-lines-per-function.js @@ -0,0 +1,238 @@ +/** + * @fileoverview A rule to set the maximum number of line of code in a function. + * @author Pete Ward + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const { upperCaseFirst } = require("../shared/string-utils"); + +//------------------------------------------------------------------------------ +// Constants +//------------------------------------------------------------------------------ + +const OPTIONS_SCHEMA = { + type: "object", + properties: { + max: { + type: "integer", + minimum: 0, + }, + skipComments: { + type: "boolean", + }, + skipBlankLines: { + type: "boolean", + }, + IIFEs: { + type: "boolean", + }, + }, + additionalProperties: false, +}; + +const OPTIONS_OR_INTEGER_SCHEMA = { + oneOf: [ + OPTIONS_SCHEMA, + { + type: "integer", + minimum: 1, + }, + ], +}; + +/** + * Given a list of comment nodes, return a map with numeric keys (source code line numbers) and comment token values. + * @param {Array} comments An array of comment nodes. + * @returns {Map} A map with numeric keys (source code line numbers) and comment token values. + */ +function getCommentLineNumbers(comments) { + const map = new Map(); + + comments.forEach(comment => { + for (let i = comment.loc.start.line; i <= comment.loc.end.line; i++) { + map.set(i, comment); + } + }); + return map; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Enforce a maximum number of lines of code in a function", + recommended: false, + url: "https://eslint.org/docs/latest/rules/max-lines-per-function", + }, + + schema: [OPTIONS_OR_INTEGER_SCHEMA], + messages: { + exceed: "{{name}} has too many lines ({{lineCount}}). Maximum allowed is {{maxLines}}.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const lines = sourceCode.lines; + + const option = context.options[0]; + let maxLines = 50; + let skipComments = false; + let skipBlankLines = false; + let IIFEs = false; + + if (typeof option === "object") { + maxLines = typeof option.max === "number" ? option.max : 50; + skipComments = !!option.skipComments; + skipBlankLines = !!option.skipBlankLines; + IIFEs = !!option.IIFEs; + } else if (typeof option === "number") { + maxLines = option; + } + + const commentLineNumbers = getCommentLineNumbers( + sourceCode.getAllComments(), + ); + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Tells if a comment encompasses the entire line. + * @param {string} line The source line with a trailing comment + * @param {number} lineNumber The one-indexed line number this is on + * @param {ASTNode} comment The comment to remove + * @returns {boolean} If the comment covers the entire line + */ + function isFullLineComment(line, lineNumber, comment) { + const start = comment.loc.start, + end = comment.loc.end, + isFirstTokenOnLine = + start.line === lineNumber && + !line.slice(0, start.column).trim(), + isLastTokenOnLine = + end.line === lineNumber && !line.slice(end.column).trim(); + + return ( + comment && + (start.line < lineNumber || isFirstTokenOnLine) && + (end.line > lineNumber || isLastTokenOnLine) + ); + } + + /** + * Identifies is a node is a FunctionExpression which is part of an IIFE + * @param {ASTNode} node Node to test + * @returns {boolean} True if it's an IIFE + */ + function isIIFE(node) { + return ( + (node.type === "FunctionExpression" || + node.type === "ArrowFunctionExpression") && + node.parent && + node.parent.type === "CallExpression" && + node.parent.callee === node + ); + } + + /** + * Identifies is a node is a FunctionExpression which is embedded within a MethodDefinition or Property + * @param {ASTNode} node Node to test + * @returns {boolean} True if it's a FunctionExpression embedded within a MethodDefinition or Property + */ + function isEmbedded(node) { + if (!node.parent) { + return false; + } + if (node !== node.parent.value) { + return false; + } + if (node.parent.type === "MethodDefinition") { + return true; + } + if (node.parent.type === "Property") { + return ( + node.parent.method === true || + node.parent.kind === "get" || + node.parent.kind === "set" + ); + } + return false; + } + + /** + * Count the lines in the function + * @param {ASTNode} funcNode Function AST node + * @returns {void} + * @private + */ + function processFunction(funcNode) { + const node = isEmbedded(funcNode) ? funcNode.parent : funcNode; + + if (!IIFEs && isIIFE(node)) { + return; + } + let lineCount = 0; + + for (let i = node.loc.start.line - 1; i < node.loc.end.line; ++i) { + const line = lines[i]; + + if (skipComments) { + if ( + commentLineNumbers.has(i + 1) && + isFullLineComment( + line, + i + 1, + commentLineNumbers.get(i + 1), + ) + ) { + continue; + } + } + + if (skipBlankLines) { + if (line.match(/^\s*$/u)) { + continue; + } + } + + lineCount++; + } + + if (lineCount > maxLines) { + const name = upperCaseFirst( + astUtils.getFunctionNameWithKind(funcNode), + ); + + context.report({ + node, + messageId: "exceed", + data: { name, lineCount, maxLines }, + }); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + FunctionDeclaration: processFunction, + FunctionExpression: processFunction, + ArrowFunctionExpression: processFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/max-lines.js b/module/node_modules/eslint/lib/rules/max-lines.js new file mode 100644 index 000000000..eb8aeb1a7 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/max-lines.js @@ -0,0 +1,189 @@ +/** + * @fileoverview enforce a maximum file length + * @author Alberto Rodríguez + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Creates an array of numbers from `start` up to, but not including, `end` + * @param {number} start The start of the range + * @param {number} end The end of the range + * @returns {number[]} The range of numbers + */ +function range(start, end) { + return [...Array(end - start).keys()].map(x => x + start); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Enforce a maximum number of lines per file", + recommended: false, + url: "https://eslint.org/docs/latest/rules/max-lines", + }, + + schema: [ + { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + type: "object", + properties: { + max: { + type: "integer", + minimum: 0, + }, + skipComments: { + type: "boolean", + }, + skipBlankLines: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + }, + ], + messages: { + exceed: "File has too many lines ({{actual}}). Maximum allowed is {{max}}.", + }, + }, + + create(context) { + const option = context.options[0]; + let max = 300; + + if (typeof option === "object" && Object.hasOwn(option, "max")) { + max = option.max; + } else if (typeof option === "number") { + max = option; + } + + const skipComments = option && option.skipComments; + const skipBlankLines = option && option.skipBlankLines; + + const sourceCode = context.sourceCode; + + /** + * Returns whether or not a token is a comment node type + * @param {Token} token The token to check + * @returns {boolean} True if the token is a comment node + */ + function isCommentNodeType(token) { + return token && (token.type === "Block" || token.type === "Line"); + } + + /** + * Returns the line numbers of a comment that don't have any code on the same line + * @param {Node} comment The comment node to check + * @returns {number[]} The line numbers + */ + function getLinesWithoutCode(comment) { + let start = comment.loc.start.line; + let end = comment.loc.end.line; + + let token; + + token = comment; + do { + token = sourceCode.getTokenBefore(token, { + includeComments: true, + }); + } while (isCommentNodeType(token)); + + if (token && astUtils.isTokenOnSameLine(token, comment)) { + start += 1; + } + + token = comment; + do { + token = sourceCode.getTokenAfter(token, { + includeComments: true, + }); + } while (isCommentNodeType(token)); + + if (token && astUtils.isTokenOnSameLine(comment, token)) { + end -= 1; + } + + if (start <= end) { + return range(start, end + 1); + } + return []; + } + + return { + "Program:exit"() { + let lines = sourceCode.lines.map((text, i) => ({ + lineNumber: i + 1, + text, + })); + + /* + * If file ends with a linebreak, `sourceCode.lines` will have one extra empty line at the end. + * That isn't a real line, so we shouldn't count it. + */ + if (lines.length > 1 && lines.at(-1).text === "") { + lines.pop(); + } + + if (skipBlankLines) { + lines = lines.filter(l => l.text.trim() !== ""); + } + + if (skipComments) { + const comments = sourceCode.getAllComments(); + + const commentLines = new Set( + comments.flatMap(getLinesWithoutCode), + ); + + lines = lines.filter(l => !commentLines.has(l.lineNumber)); + } + + if (lines.length > max) { + const loc = { + start: { + line: lines[max].lineNumber, + column: 0, + }, + end: { + line: sourceCode.lines.length, + column: sourceCode.lines.at(-1).length, + }, + }; + + context.report({ + loc, + messageId: "exceed", + data: { + max, + actual: lines.length, + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/max-nested-callbacks.js b/module/node_modules/eslint/lib/rules/max-nested-callbacks.js new file mode 100644 index 000000000..e97483a62 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/max-nested-callbacks.js @@ -0,0 +1,115 @@ +/** + * @fileoverview Rule to enforce a maximum number of nested callbacks. + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Enforce a maximum depth that callbacks can be nested", + recommended: false, + url: "https://eslint.org/docs/latest/rules/max-nested-callbacks", + }, + + schema: [ + { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + type: "object", + properties: { + maximum: { + type: "integer", + minimum: 0, + }, + max: { + type: "integer", + minimum: 0, + }, + }, + additionalProperties: false, + }, + ], + }, + ], + messages: { + exceed: "Too many nested callbacks ({{num}}). Maximum allowed is {{max}}.", + }, + }, + + create(context) { + //-------------------------------------------------------------------------- + // Constants + //-------------------------------------------------------------------------- + const option = context.options[0]; + let THRESHOLD = 10; + + if ( + typeof option === "object" && + (Object.hasOwn(option, "maximum") || Object.hasOwn(option, "max")) + ) { + THRESHOLD = option.maximum || option.max; + } else if (typeof option === "number") { + THRESHOLD = option; + } + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + const callbackStack = []; + + /** + * Checks a given function node for too many callbacks. + * @param {ASTNode} node The node to check. + * @returns {void} + * @private + */ + function checkFunction(node) { + const parent = node.parent; + + if (parent.type === "CallExpression") { + callbackStack.push(node); + } + + if (callbackStack.length > THRESHOLD) { + const opts = { num: callbackStack.length, max: THRESHOLD }; + + context.report({ node, messageId: "exceed", data: opts }); + } + } + + /** + * Pops the call stack. + * @returns {void} + * @private + */ + function popStack() { + callbackStack.pop(); + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + ArrowFunctionExpression: checkFunction, + "ArrowFunctionExpression:exit": popStack, + + FunctionExpression: checkFunction, + "FunctionExpression:exit": popStack, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/max-params.js b/module/node_modules/eslint/lib/rules/max-params.js new file mode 100644 index 000000000..eeb61edd4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/max-params.js @@ -0,0 +1,129 @@ +/** + * @fileoverview Rule to flag when a function has too many parameters + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const { upperCaseFirst } = require("../shared/string-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + dialects: ["typescript", "javascript"], + language: "javascript", + + docs: { + description: + "Enforce a maximum number of parameters in function definitions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/max-params", + }, + + schema: [ + { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + type: "object", + properties: { + maximum: { + type: "integer", + minimum: 0, + }, + max: { + type: "integer", + minimum: 0, + }, + countVoidThis: { + type: "boolean", + description: + "Whether to count a `this` declaration when the type is `void`.", + }, + }, + additionalProperties: false, + }, + ], + }, + ], + messages: { + exceed: "{{name}} has too many parameters ({{count}}). Maximum allowed is {{max}}.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const option = context.options[0]; + let numParams = 3; + let countVoidThis = false; + + if (typeof option === "object") { + if ( + Object.hasOwn(option, "maximum") || + Object.hasOwn(option, "max") + ) { + numParams = option.maximum || option.max; + } + countVoidThis = option.countVoidThis; + } + if (typeof option === "number") { + numParams = option; + } + + /** + * Checks a function to see if it has too many parameters. + * @param {ASTNode} node The node to check. + * @returns {void} + * @private + */ + function checkFunction(node) { + const hasVoidThisParam = + node.params.length > 0 && + node.params[0].type === "Identifier" && + node.params[0].name === "this" && + node.params[0].typeAnnotation?.typeAnnotation.type === + "TSVoidKeyword"; + + const effectiveParamCount = + hasVoidThisParam && !countVoidThis + ? node.params.length - 1 + : node.params.length; + + if (effectiveParamCount > numParams) { + context.report({ + loc: astUtils.getFunctionHeadLoc(node, sourceCode), + node, + messageId: "exceed", + data: { + name: upperCaseFirst( + astUtils.getFunctionNameWithKind(node), + ), + count: effectiveParamCount, + max: numParams, + }, + }); + } + } + + return { + FunctionDeclaration: checkFunction, + ArrowFunctionExpression: checkFunction, + FunctionExpression: checkFunction, + TSDeclareFunction: checkFunction, + TSFunctionType: checkFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/max-statements-per-line.js b/module/node_modules/eslint/lib/rules/max-statements-per-line.js new file mode 100644 index 000000000..48b37f4fc --- /dev/null +++ b/module/node_modules/eslint/lib/rules/max-statements-per-line.js @@ -0,0 +1,224 @@ +/** + * @fileoverview Specify the maximum number of statements allowed per line. + * @author Kenneth Williams + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "max-statements-per-line", + url: "https://eslint.style/rules/max-statements-per-line", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce a maximum number of statements allowed per line", + recommended: false, + url: "https://eslint.org/docs/latest/rules/max-statements-per-line", + }, + + schema: [ + { + type: "object", + properties: { + max: { + type: "integer", + minimum: 1, + default: 1, + }, + }, + additionalProperties: false, + }, + ], + messages: { + exceed: "This line has {{numberOfStatementsOnThisLine}} {{statements}}. Maximum allowed is {{maxStatementsPerLine}}.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode, + options = context.options[0] || {}, + maxStatementsPerLine = + typeof options.max !== "undefined" ? options.max : 1; + + let lastStatementLine = 0, + numberOfStatementsOnThisLine = 0, + firstExtraStatement; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + const SINGLE_CHILD_ALLOWED = + /^(?:(?:DoWhile|For|ForIn|ForOf|If|Labeled|While)Statement|Export(?:Default|Named)Declaration)$/u; + + /** + * Reports with the first extra statement, and clears it. + * @returns {void} + */ + function reportFirstExtraStatementAndClear() { + if (firstExtraStatement) { + context.report({ + node: firstExtraStatement, + messageId: "exceed", + data: { + numberOfStatementsOnThisLine, + maxStatementsPerLine, + statements: + numberOfStatementsOnThisLine === 1 + ? "statement" + : "statements", + }, + }); + } + firstExtraStatement = null; + } + + /** + * Gets the actual last token of a given node. + * @param {ASTNode} node A node to get. This is a node except EmptyStatement. + * @returns {Token} The actual last token. + */ + function getActualLastToken(node) { + return sourceCode.getLastToken(node, astUtils.isNotSemicolonToken); + } + + /** + * Addresses a given node. + * It updates the state of this rule, then reports the node if the node violated this rule. + * @param {ASTNode} node A node to check. + * @returns {void} + */ + function enterStatement(node) { + const line = node.loc.start.line; + + /* + * Skip to allow non-block statements if this is direct child of control statements. + * `if (a) foo();` is counted as 1. + * But `if (a) foo(); else foo();` should be counted as 2. + */ + if ( + SINGLE_CHILD_ALLOWED.test(node.parent.type) && + node.parent.alternate !== node + ) { + return; + } + + // Update state. + if (line === lastStatementLine) { + numberOfStatementsOnThisLine += 1; + } else { + reportFirstExtraStatementAndClear(); + numberOfStatementsOnThisLine = 1; + lastStatementLine = line; + } + + // Reports if the node violated this rule. + if (numberOfStatementsOnThisLine === maxStatementsPerLine + 1) { + firstExtraStatement = firstExtraStatement || node; + } + } + + /** + * Updates the state of this rule with the end line of leaving node to check with the next statement. + * @param {ASTNode} node A node to check. + * @returns {void} + */ + function leaveStatement(node) { + const line = getActualLastToken(node).loc.end.line; + + // Update state. + if (line !== lastStatementLine) { + reportFirstExtraStatementAndClear(); + numberOfStatementsOnThisLine = 1; + lastStatementLine = line; + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + BreakStatement: enterStatement, + ClassDeclaration: enterStatement, + ContinueStatement: enterStatement, + DebuggerStatement: enterStatement, + DoWhileStatement: enterStatement, + ExpressionStatement: enterStatement, + ForInStatement: enterStatement, + ForOfStatement: enterStatement, + ForStatement: enterStatement, + FunctionDeclaration: enterStatement, + IfStatement: enterStatement, + ImportDeclaration: enterStatement, + LabeledStatement: enterStatement, + ReturnStatement: enterStatement, + SwitchStatement: enterStatement, + ThrowStatement: enterStatement, + TryStatement: enterStatement, + VariableDeclaration: enterStatement, + WhileStatement: enterStatement, + WithStatement: enterStatement, + ExportNamedDeclaration: enterStatement, + ExportDefaultDeclaration: enterStatement, + ExportAllDeclaration: enterStatement, + + "BreakStatement:exit": leaveStatement, + "ClassDeclaration:exit": leaveStatement, + "ContinueStatement:exit": leaveStatement, + "DebuggerStatement:exit": leaveStatement, + "DoWhileStatement:exit": leaveStatement, + "ExpressionStatement:exit": leaveStatement, + "ForInStatement:exit": leaveStatement, + "ForOfStatement:exit": leaveStatement, + "ForStatement:exit": leaveStatement, + "FunctionDeclaration:exit": leaveStatement, + "IfStatement:exit": leaveStatement, + "ImportDeclaration:exit": leaveStatement, + "LabeledStatement:exit": leaveStatement, + "ReturnStatement:exit": leaveStatement, + "SwitchStatement:exit": leaveStatement, + "ThrowStatement:exit": leaveStatement, + "TryStatement:exit": leaveStatement, + "VariableDeclaration:exit": leaveStatement, + "WhileStatement:exit": leaveStatement, + "WithStatement:exit": leaveStatement, + "ExportNamedDeclaration:exit": leaveStatement, + "ExportDefaultDeclaration:exit": leaveStatement, + "ExportAllDeclaration:exit": leaveStatement, + "Program:exit": reportFirstExtraStatementAndClear, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/max-statements.js b/module/node_modules/eslint/lib/rules/max-statements.js new file mode 100644 index 000000000..c38482cd1 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/max-statements.js @@ -0,0 +1,188 @@ +/** + * @fileoverview A rule to set the maximum number of statements in a function. + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const { upperCaseFirst } = require("../shared/string-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Enforce a maximum number of statements allowed in function blocks", + recommended: false, + url: "https://eslint.org/docs/latest/rules/max-statements", + }, + + schema: [ + { + oneOf: [ + { + type: "integer", + minimum: 0, + }, + { + type: "object", + properties: { + maximum: { + type: "integer", + minimum: 0, + }, + max: { + type: "integer", + minimum: 0, + }, + }, + additionalProperties: false, + }, + ], + }, + { + type: "object", + properties: { + ignoreTopLevelFunctions: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + messages: { + exceed: "{{name}} has too many statements ({{count}}). Maximum allowed is {{max}}.", + }, + }, + + create(context) { + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + const functionStack = [], + option = context.options[0], + ignoreTopLevelFunctions = + (context.options[1] && + context.options[1].ignoreTopLevelFunctions) || + false, + topLevelFunctions = []; + let maxStatements = 10; + + if ( + typeof option === "object" && + (Object.hasOwn(option, "maximum") || Object.hasOwn(option, "max")) + ) { + maxStatements = option.maximum || option.max; + } else if (typeof option === "number") { + maxStatements = option; + } + + /** + * Reports a node if it has too many statements + * @param {ASTNode} node node to evaluate + * @param {number} count Number of statements in node + * @param {number} max Maximum number of statements allowed + * @returns {void} + * @private + */ + function reportIfTooManyStatements(node, count, max) { + if (count > max) { + const name = upperCaseFirst( + astUtils.getFunctionNameWithKind(node), + ); + + context.report({ + node, + messageId: "exceed", + data: { name, count, max }, + }); + } + } + + /** + * When parsing a new function, store it in our function stack + * @returns {void} + * @private + */ + function startFunction() { + functionStack.push(0); + } + + /** + * Evaluate the node at the end of function + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function endFunction(node) { + const count = functionStack.pop(); + + /* + * This rule does not apply to class static blocks, but we have to track them so + * that statements in them do not count as statements in the enclosing function. + */ + if (node.type === "StaticBlock") { + return; + } + + if (ignoreTopLevelFunctions && functionStack.length === 0) { + topLevelFunctions.push({ node, count }); + } else { + reportIfTooManyStatements(node, count, maxStatements); + } + } + + /** + * Increment the count of the functions + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function countStatements(node) { + functionStack[functionStack.length - 1] += node.body.length; + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + FunctionDeclaration: startFunction, + FunctionExpression: startFunction, + ArrowFunctionExpression: startFunction, + StaticBlock: startFunction, + + BlockStatement: countStatements, + + "FunctionDeclaration:exit": endFunction, + "FunctionExpression:exit": endFunction, + "ArrowFunctionExpression:exit": endFunction, + "StaticBlock:exit": endFunction, + + "Program:exit"() { + if (topLevelFunctions.length === 1) { + return; + } + + topLevelFunctions.forEach(element => { + const count = element.count; + const node = element.node; + + reportIfTooManyStatements(node, count, maxStatements); + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/multiline-comment-style.js b/module/node_modules/eslint/lib/rules/multiline-comment-style.js new file mode 100644 index 000000000..463e7a734 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/multiline-comment-style.js @@ -0,0 +1,652 @@ +/** + * @fileoverview enforce a particular style for multiline comments + * @author Teddy Katz + * @deprecated in ESLint v9.3.0 + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "9.3.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "multiline-comment-style", + url: "https://eslint.style/rules/multiline-comment-style", + }, + }, + ], + }, + type: "suggestion", + docs: { + description: "Enforce a particular style for multiline comments", + recommended: false, + url: "https://eslint.org/docs/latest/rules/multiline-comment-style", + }, + + fixable: "whitespace", + schema: { + anyOf: [ + { + type: "array", + items: [ + { + enum: ["starred-block", "bare-block"], + }, + ], + additionalItems: false, + }, + { + type: "array", + items: [ + { + enum: ["separate-lines"], + }, + { + type: "object", + properties: { + checkJSDoc: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + additionalItems: false, + }, + ], + }, + messages: { + expectedBlock: + "Expected a block comment instead of consecutive line comments.", + expectedBareBlock: + "Expected a block comment without padding stars.", + startNewline: "Expected a linebreak after '/*'.", + endNewline: "Expected a linebreak before '*/'.", + missingStar: "Expected a '*' at the start of this line.", + alignment: + "Expected this line to be aligned with the start of the comment.", + expectedLines: + "Expected multiple line comments instead of a block comment.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const option = context.options[0] || "starred-block"; + const params = context.options[1] || {}; + const checkJSDoc = !!params.checkJSDoc; + + //---------------------------------------------------------------------- + // Helpers + //---------------------------------------------------------------------- + + /** + * Checks if a comment line is starred. + * @param {string} line A string representing a comment line. + * @returns {boolean} Whether or not the comment line is starred. + */ + function isStarredCommentLine(line) { + return /^\s*\*/u.test(line); + } + + /** + * Checks if a comment group is in starred-block form. + * @param {Token[]} commentGroup A group of comments, containing either multiple line comments or a single block comment. + * @returns {boolean} Whether or not the comment group is in starred block form. + */ + function isStarredBlockComment([firstComment]) { + if (firstComment.type !== "Block") { + return false; + } + + const lines = firstComment.value.split(astUtils.LINEBREAK_MATCHER); + + // The first and last lines can only contain whitespace. + return ( + lines.length > 0 && + lines.every((line, i) => + (i === 0 || i === lines.length - 1 + ? /^\s*$/u + : /^\s*\*/u + ).test(line), + ) + ); + } + + /** + * Checks if a comment group is in JSDoc form. + * @param {Token[]} commentGroup A group of comments, containing either multiple line comments or a single block comment. + * @returns {boolean} Whether or not the comment group is in JSDoc form. + */ + function isJSDocComment([firstComment]) { + if (firstComment.type !== "Block") { + return false; + } + + const lines = firstComment.value.split(astUtils.LINEBREAK_MATCHER); + + return ( + /^\*\s*$/u.test(lines[0]) && + lines.slice(1, -1).every(line => /^\s* /u.test(line)) && + /^\s*$/u.test(lines.at(-1)) + ); + } + + /** + * Processes a comment group that is currently in separate-line form, calculating the offset for each line. + * @param {Token[]} commentGroup A group of comments containing multiple line comments. + * @returns {string[]} An array of the processed lines. + */ + function processSeparateLineComments(commentGroup) { + const allLinesHaveLeadingSpace = commentGroup + .map(({ value }) => value) + .filter(line => line.trim().length) + .every(line => line.startsWith(" ")); + + return commentGroup.map(({ value }) => + allLinesHaveLeadingSpace ? value.replace(/^ /u, "") : value, + ); + } + + /** + * Processes a comment group that is currently in starred-block form, calculating the offset for each line. + * @param {Token} comment A single block comment token in starred-block form. + * @returns {string[]} An array of the processed lines. + */ + function processStarredBlockComment(comment) { + const lines = comment.value + .split(astUtils.LINEBREAK_MATCHER) + .filter( + (line, i, linesArr) => + !(i === 0 || i === linesArr.length - 1), + ) + .map(line => line.replace(/^\s*$/u, "")); + const allLinesHaveLeadingSpace = lines + .map(line => line.replace(/\s*\*/u, "")) + .filter(line => line.trim().length) + .every(line => line.startsWith(" ")); + + return lines.map(line => + line.replace( + allLinesHaveLeadingSpace ? /\s*\* ?/u : /\s*\*/u, + "", + ), + ); + } + + /** + * Processes a comment group that is currently in bare-block form, calculating the offset for each line. + * @param {Token} comment A single block comment token in bare-block form. + * @returns {string[]} An array of the processed lines. + */ + function processBareBlockComment(comment) { + const lines = comment.value + .split(astUtils.LINEBREAK_MATCHER) + .map(line => line.replace(/^\s*$/u, "")); + const leadingWhitespace = `${sourceCode.text.slice(comment.range[0] - comment.loc.start.column, comment.range[0])} `; + let offset = ""; + + /* + * Calculate the offset of the least indented line and use that as the basis for offsetting all the lines. + * The first line should not be checked because it is inline with the opening block comment delimiter. + */ + for (const [i, line] of lines.entries()) { + if (!line.trim().length || i === 0) { + continue; + } + + const [, lineOffset] = line.match(/^(\s*\*?\s*)/u); + + if (lineOffset.length < leadingWhitespace.length) { + const newOffset = leadingWhitespace.slice( + lineOffset.length - leadingWhitespace.length, + ); + + if (newOffset.length > offset.length) { + offset = newOffset; + } + } + } + + return lines.map(line => { + const match = line.match(/^(\s*\*?\s*)(.*)/u); + const [, lineOffset, lineContents] = match; + + if (lineOffset.length > leadingWhitespace.length) { + return `${lineOffset.slice(leadingWhitespace.length - (offset.length + lineOffset.length))}${lineContents}`; + } + + if (lineOffset.length < leadingWhitespace.length) { + return `${lineOffset.slice(leadingWhitespace.length)}${lineContents}`; + } + + return lineContents; + }); + } + + /** + * Gets a list of comment lines in a group, formatting leading whitespace as necessary. + * @param {Token[]} commentGroup A group of comments containing either multiple line comments or a single block comment. + * @returns {string[]} A list of comment lines. + */ + function getCommentLines(commentGroup) { + const [firstComment] = commentGroup; + + if (firstComment.type === "Line") { + return processSeparateLineComments(commentGroup); + } + + if (isStarredBlockComment(commentGroup)) { + return processStarredBlockComment(firstComment); + } + + return processBareBlockComment(firstComment); + } + + /** + * Gets the initial offset (whitespace) from the beginning of a line to a given comment token. + * @param {Token} comment The token to check. + * @returns {string} The offset from the beginning of a line to the token. + */ + function getInitialOffset(comment) { + return sourceCode.text.slice( + comment.range[0] - comment.loc.start.column, + comment.range[0], + ); + } + + /** + * Converts a comment into starred-block form + * @param {Token} firstComment The first comment of the group being converted + * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment + * @returns {string} A representation of the comment value in starred-block form, excluding start and end markers + */ + function convertToStarredBlock(firstComment, commentLinesList) { + const initialOffset = getInitialOffset(firstComment); + + return `/*\n${commentLinesList.map(line => `${initialOffset} * ${line}`).join("\n")}\n${initialOffset} */`; + } + + /** + * Converts a comment into separate-line form + * @param {Token} firstComment The first comment of the group being converted + * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment + * @returns {string} A representation of the comment value in separate-line form + */ + function convertToSeparateLines(firstComment, commentLinesList) { + return commentLinesList + .map(line => `// ${line}`) + .join(`\n${getInitialOffset(firstComment)}`); + } + + /** + * Converts a comment into bare-block form + * @param {Token} firstComment The first comment of the group being converted + * @param {string[]} commentLinesList A list of lines to appear in the new starred-block comment + * @returns {string} A representation of the comment value in bare-block form + */ + function convertToBlock(firstComment, commentLinesList) { + return `/* ${commentLinesList.join(`\n${getInitialOffset(firstComment)} `)} */`; + } + + /** + * Each method checks a group of comments to see if it's valid according to the given option. + * @param {Token[]} commentGroup A list of comments that appear together. This will either contain a single + * block comment or multiple line comments. + * @returns {void} + */ + const commentGroupCheckers = { + "starred-block"(commentGroup) { + const [firstComment] = commentGroup; + const commentLines = getCommentLines(commentGroup); + + if (commentLines.some(value => value.includes("*/"))) { + return; + } + + if (commentGroup.length > 1) { + context.report({ + loc: { + start: firstComment.loc.start, + end: commentGroup.at(-1).loc.end, + }, + messageId: "expectedBlock", + fix(fixer) { + const range = [ + firstComment.range[0], + commentGroup.at(-1).range[1], + ]; + + return commentLines.some(value => + value.startsWith("/"), + ) + ? null + : fixer.replaceTextRange( + range, + convertToStarredBlock( + firstComment, + commentLines, + ), + ); + }, + }); + } else { + const lines = firstComment.value.split( + astUtils.LINEBREAK_MATCHER, + ); + const expectedLeadingWhitespace = + getInitialOffset(firstComment); + const expectedLinePrefix = `${expectedLeadingWhitespace} *`; + + if (!/^\*?\s*$/u.test(lines[0])) { + const start = firstComment.value.startsWith("*") + ? firstComment.range[0] + 1 + : firstComment.range[0]; + + context.report({ + loc: { + start: firstComment.loc.start, + end: { + line: firstComment.loc.start.line, + column: firstComment.loc.start.column + 2, + }, + }, + messageId: "startNewline", + fix: fixer => + fixer.insertTextAfterRange( + [start, start + 2], + `\n${expectedLinePrefix}`, + ), + }); + } + + if (!/^\s*$/u.test(lines.at(-1))) { + context.report({ + loc: { + start: { + line: firstComment.loc.end.line, + column: firstComment.loc.end.column - 2, + }, + end: firstComment.loc.end, + }, + messageId: "endNewline", + fix: fixer => + fixer.replaceTextRange( + [ + firstComment.range[1] - 2, + firstComment.range[1], + ], + `\n${expectedLinePrefix}/`, + ), + }); + } + + for ( + let lineNumber = firstComment.loc.start.line + 1; + lineNumber <= firstComment.loc.end.line; + lineNumber++ + ) { + const lineText = sourceCode.lines[lineNumber - 1]; + const errorType = isStarredCommentLine(lineText) + ? "alignment" + : "missingStar"; + + if (!lineText.startsWith(expectedLinePrefix)) { + context.report({ + loc: { + start: { line: lineNumber, column: 0 }, + end: { + line: lineNumber, + column: lineText.length, + }, + }, + messageId: errorType, + fix(fixer) { + const lineStartIndex = + sourceCode.getIndexFromLoc({ + line: lineNumber, + column: 0, + }); + + if (errorType === "alignment") { + const [, commentTextPrefix = ""] = + lineText.match(/^(\s*\*)/u) || []; + const commentTextStartIndex = + lineStartIndex + + commentTextPrefix.length; + + return fixer.replaceTextRange( + [ + lineStartIndex, + commentTextStartIndex, + ], + expectedLinePrefix, + ); + } + + const [, commentTextPrefix = ""] = + lineText.match(/^(\s*)/u) || []; + const commentTextStartIndex = + lineStartIndex + + commentTextPrefix.length; + let offset; + + for (const [idx, line] of lines.entries()) { + if (!/\S+/u.test(line)) { + continue; + } + + const lineTextToAlignWith = + sourceCode.lines[ + firstComment.loc.start.line - + 1 + + idx + ]; + const [ + , + prefix = "", + initialOffset = "", + ] = + lineTextToAlignWith.match( + /^(\s*(?:\/?\*)?(\s*))/u, + ) || []; + + offset = `${commentTextPrefix.slice(prefix.length)}${initialOffset}`; + + if ( + /^\s*\//u.test(lineText) && + offset.length === 0 + ) { + offset += " "; + } + break; + } + + return fixer.replaceTextRange( + [lineStartIndex, commentTextStartIndex], + `${expectedLinePrefix}${offset}`, + ); + }, + }); + } + } + } + }, + "separate-lines"(commentGroup) { + const [firstComment] = commentGroup; + + const isJSDoc = isJSDocComment(commentGroup); + + if (firstComment.type !== "Block" || (!checkJSDoc && isJSDoc)) { + return; + } + + let commentLines = getCommentLines(commentGroup); + + if (isJSDoc) { + commentLines = commentLines.slice( + 1, + commentLines.length - 1, + ); + } + + const tokenAfter = sourceCode.getTokenAfter(firstComment, { + includeComments: true, + }); + + if ( + tokenAfter && + firstComment.loc.end.line === tokenAfter.loc.start.line + ) { + return; + } + + context.report({ + loc: { + start: firstComment.loc.start, + end: { + line: firstComment.loc.start.line, + column: firstComment.loc.start.column + 2, + }, + }, + messageId: "expectedLines", + fix(fixer) { + return fixer.replaceText( + firstComment, + convertToSeparateLines(firstComment, commentLines), + ); + }, + }); + }, + "bare-block"(commentGroup) { + if (isJSDocComment(commentGroup)) { + return; + } + + const [firstComment] = commentGroup; + const commentLines = getCommentLines(commentGroup); + + // Disallows consecutive line comments in favor of using a block comment. + if ( + firstComment.type === "Line" && + commentLines.length > 1 && + !commentLines.some(value => value.includes("*/")) + ) { + context.report({ + loc: { + start: firstComment.loc.start, + end: commentGroup.at(-1).loc.end, + }, + messageId: "expectedBlock", + fix(fixer) { + return fixer.replaceTextRange( + [ + firstComment.range[0], + commentGroup.at(-1).range[1], + ], + convertToBlock(firstComment, commentLines), + ); + }, + }); + } + + // Prohibits block comments from having a * at the beginning of each line. + if (isStarredBlockComment(commentGroup)) { + context.report({ + loc: { + start: firstComment.loc.start, + end: { + line: firstComment.loc.start.line, + column: firstComment.loc.start.column + 2, + }, + }, + messageId: "expectedBareBlock", + fix(fixer) { + return fixer.replaceText( + firstComment, + convertToBlock(firstComment, commentLines), + ); + }, + }); + } + }, + }; + + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + + return { + Program() { + return sourceCode + .getAllComments() + .filter(comment => comment.type !== "Shebang") + .filter( + comment => + !astUtils.COMMENTS_IGNORE_PATTERN.test( + comment.value, + ), + ) + .filter(comment => { + const tokenBefore = sourceCode.getTokenBefore(comment, { + includeComments: true, + }); + + return ( + !tokenBefore || + tokenBefore.loc.end.line < comment.loc.start.line + ); + }) + .reduce((commentGroups, comment, index, commentList) => { + const tokenBefore = sourceCode.getTokenBefore(comment, { + includeComments: true, + }); + + if ( + comment.type === "Line" && + index && + commentList[index - 1].type === "Line" && + tokenBefore && + tokenBefore.loc.end.line === + comment.loc.start.line - 1 && + tokenBefore === commentList[index - 1] + ) { + commentGroups.at(-1).push(comment); + } else { + commentGroups.push([comment]); + } + + return commentGroups; + }, []) + .filter( + commentGroup => + !( + commentGroup.length === 1 && + commentGroup[0].loc.start.line === + commentGroup[0].loc.end.line + ), + ) + .forEach(commentGroupCheckers[option]); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/multiline-ternary.js b/module/node_modules/eslint/lib/rules/multiline-ternary.js new file mode 100644 index 000000000..5590fe452 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/multiline-ternary.js @@ -0,0 +1,257 @@ +/** + * @fileoverview Enforce newlines between operands of ternary expressions + * @author Kai Cataldo + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "multiline-ternary", + url: "https://eslint.style/rules/multiline-ternary", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce newlines between operands of ternary expressions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/multiline-ternary", + }, + + schema: [ + { + enum: ["always", "always-multiline", "never"], + }, + ], + + messages: { + expectedTestCons: + "Expected newline between test and consequent of ternary expression.", + expectedConsAlt: + "Expected newline between consequent and alternate of ternary expression.", + unexpectedTestCons: + "Unexpected newline between test and consequent of ternary expression.", + unexpectedConsAlt: + "Unexpected newline between consequent and alternate of ternary expression.", + }, + + fixable: "whitespace", + }, + + create(context) { + const sourceCode = context.sourceCode; + const option = context.options[0]; + const multiline = option !== "never"; + const allowSingleLine = option === "always-multiline"; + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + ConditionalExpression(node) { + const questionToken = sourceCode.getTokenAfter( + node.test, + astUtils.isNotClosingParenToken, + ); + const colonToken = sourceCode.getTokenAfter( + node.consequent, + astUtils.isNotClosingParenToken, + ); + + const firstTokenOfTest = sourceCode.getFirstToken(node); + const lastTokenOfTest = + sourceCode.getTokenBefore(questionToken); + const firstTokenOfConsequent = + sourceCode.getTokenAfter(questionToken); + const lastTokenOfConsequent = + sourceCode.getTokenBefore(colonToken); + const firstTokenOfAlternate = + sourceCode.getTokenAfter(colonToken); + + const areTestAndConsequentOnSameLine = + astUtils.isTokenOnSameLine( + lastTokenOfTest, + firstTokenOfConsequent, + ); + const areConsequentAndAlternateOnSameLine = + astUtils.isTokenOnSameLine( + lastTokenOfConsequent, + firstTokenOfAlternate, + ); + + const hasComments = !!sourceCode.getCommentsInside(node).length; + + if (!multiline) { + if (!areTestAndConsequentOnSameLine) { + context.report({ + node: node.test, + loc: { + start: firstTokenOfTest.loc.start, + end: lastTokenOfTest.loc.end, + }, + messageId: "unexpectedTestCons", + fix(fixer) { + if (hasComments) { + return null; + } + const fixers = []; + const areTestAndQuestionOnSameLine = + astUtils.isTokenOnSameLine( + lastTokenOfTest, + questionToken, + ); + const areQuestionAndConsOnSameLine = + astUtils.isTokenOnSameLine( + questionToken, + firstTokenOfConsequent, + ); + + if (!areTestAndQuestionOnSameLine) { + fixers.push( + fixer.removeRange([ + lastTokenOfTest.range[1], + questionToken.range[0], + ]), + ); + } + if (!areQuestionAndConsOnSameLine) { + fixers.push( + fixer.removeRange([ + questionToken.range[1], + firstTokenOfConsequent.range[0], + ]), + ); + } + + return fixers; + }, + }); + } + + if (!areConsequentAndAlternateOnSameLine) { + context.report({ + node: node.consequent, + loc: { + start: firstTokenOfConsequent.loc.start, + end: lastTokenOfConsequent.loc.end, + }, + messageId: "unexpectedConsAlt", + fix(fixer) { + if (hasComments) { + return null; + } + const fixers = []; + const areConsAndColonOnSameLine = + astUtils.isTokenOnSameLine( + lastTokenOfConsequent, + colonToken, + ); + const areColonAndAltOnSameLine = + astUtils.isTokenOnSameLine( + colonToken, + firstTokenOfAlternate, + ); + + if (!areConsAndColonOnSameLine) { + fixers.push( + fixer.removeRange([ + lastTokenOfConsequent.range[1], + colonToken.range[0], + ]), + ); + } + if (!areColonAndAltOnSameLine) { + fixers.push( + fixer.removeRange([ + colonToken.range[1], + firstTokenOfAlternate.range[0], + ]), + ); + } + + return fixers; + }, + }); + } + } else { + if ( + allowSingleLine && + node.loc.start.line === node.loc.end.line + ) { + return; + } + + if (areTestAndConsequentOnSameLine) { + context.report({ + node: node.test, + loc: { + start: firstTokenOfTest.loc.start, + end: lastTokenOfTest.loc.end, + }, + messageId: "expectedTestCons", + fix: fixer => + hasComments + ? null + : fixer.replaceTextRange( + [ + lastTokenOfTest.range[1], + questionToken.range[0], + ], + "\n", + ), + }); + } + + if (areConsequentAndAlternateOnSameLine) { + context.report({ + node: node.consequent, + loc: { + start: firstTokenOfConsequent.loc.start, + end: lastTokenOfConsequent.loc.end, + }, + messageId: "expectedConsAlt", + fix: fixer => + hasComments + ? null + : fixer.replaceTextRange( + [ + lastTokenOfConsequent.range[1], + colonToken.range[0], + ], + "\n", + ), + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/new-cap.js b/module/node_modules/eslint/lib/rules/new-cap.js new file mode 100644 index 000000000..caea1a8be --- /dev/null +++ b/module/node_modules/eslint/lib/rules/new-cap.js @@ -0,0 +1,277 @@ +/** + * @fileoverview Rule to flag use of constructors without capital letters + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const CAPS_ALLOWED = [ + "Array", + "Boolean", + "Date", + "Error", + "Function", + "Number", + "Object", + "RegExp", + "String", + "Symbol", + "BigInt", +]; + +/** + * A reducer function to invert an array to an Object mapping the string form of the key, to `true`. + * @param {Object} map Accumulator object for the reduce. + * @param {string} key Object key to set to `true`. + * @returns {Object} Returns the updated Object for further reduction. + */ +function invert(map, key) { + map[key] = true; + return map; +} + +/** + * Creates an object with the cap is new exceptions as its keys and true as their values. + * @param {Object} config Rule configuration + * @returns {Object} Object with cap is new exceptions. + */ +function calculateCapIsNewExceptions(config) { + const capIsNewExceptions = Array.from( + new Set([...config.capIsNewExceptions, ...CAPS_ALLOWED]), + ); + + return capIsNewExceptions.reduce(invert, {}); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Require constructor names to begin with a capital letter", + recommended: false, + url: "https://eslint.org/docs/latest/rules/new-cap", + }, + + schema: [ + { + type: "object", + properties: { + newIsCap: { + type: "boolean", + }, + capIsNew: { + type: "boolean", + }, + newIsCapExceptions: { + type: "array", + items: { + type: "string", + }, + }, + newIsCapExceptionPattern: { + type: "string", + }, + capIsNewExceptions: { + type: "array", + items: { + type: "string", + }, + }, + capIsNewExceptionPattern: { + type: "string", + }, + properties: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + defaultOptions: [ + { + capIsNew: true, + capIsNewExceptions: CAPS_ALLOWED, + newIsCap: true, + newIsCapExceptions: [], + properties: true, + }, + ], + + messages: { + upper: "A function with a name starting with an uppercase letter should only be used as a constructor.", + lower: "A constructor name should not start with a lowercase letter.", + }, + }, + + create(context) { + const [config] = context.options; + const skipProperties = !config.properties; + + const newIsCapExceptions = config.newIsCapExceptions.reduce(invert, {}); + const newIsCapExceptionPattern = config.newIsCapExceptionPattern + ? new RegExp(config.newIsCapExceptionPattern, "u") + : null; + + const capIsNewExceptions = calculateCapIsNewExceptions(config); + const capIsNewExceptionPattern = config.capIsNewExceptionPattern + ? new RegExp(config.capIsNewExceptionPattern, "u") + : null; + + const listeners = {}; + + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Get exact callee name from expression + * @param {ASTNode} node CallExpression or NewExpression node + * @returns {string} name + */ + function extractNameFromExpression(node) { + return node.callee.type === "Identifier" + ? node.callee.name + : astUtils.getStaticPropertyName(node.callee) || ""; + } + + /** + * Returns the capitalization state of the string - + * Whether the first character is uppercase, lowercase, or non-alphabetic + * @param {string} str String + * @returns {string} capitalization state: "non-alpha", "lower", or "upper" + */ + function getCap(str) { + const firstChar = str.charAt(0); + + const firstCharLower = firstChar.toLowerCase(); + const firstCharUpper = firstChar.toUpperCase(); + + if (firstCharLower === firstCharUpper) { + // char has no uppercase variant, so it's non-alphabetic + return "non-alpha"; + } + if (firstChar === firstCharLower) { + return "lower"; + } + return "upper"; + } + + /** + * Check if capitalization is allowed for a CallExpression + * @param {Object} allowedMap Object mapping calleeName to a Boolean + * @param {ASTNode} node CallExpression node + * @param {string} calleeName Capitalized callee name from a CallExpression + * @param {Object} pattern RegExp object from options pattern + * @returns {boolean} Returns true if the callee may be capitalized + */ + function isCapAllowed(allowedMap, node, calleeName, pattern) { + const sourceText = sourceCode.getText(node.callee); + + if (allowedMap[calleeName] || allowedMap[sourceText]) { + return true; + } + + if (pattern && pattern.test(sourceText)) { + return true; + } + + const callee = astUtils.skipChainExpression(node.callee); + + if (calleeName === "UTC" && callee.type === "MemberExpression") { + // allow if callee is Date.UTC + return ( + callee.object.type === "Identifier" && + callee.object.name === "Date" + ); + } + + return skipProperties && callee.type === "MemberExpression"; + } + + /** + * Reports the given messageId for the given node. The location will be the start of the property or the callee. + * @param {ASTNode} node CallExpression or NewExpression node. + * @param {string} messageId The messageId to report. + * @returns {void} + */ + function report(node, messageId) { + let callee = astUtils.skipChainExpression(node.callee); + + if (callee.type === "MemberExpression") { + callee = callee.property; + } + + context.report({ node, loc: callee.loc, messageId }); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + if (config.newIsCap) { + listeners.NewExpression = function (node) { + const constructorName = extractNameFromExpression(node); + + if (constructorName) { + const capitalization = getCap(constructorName); + const isAllowed = + capitalization !== "lower" || + isCapAllowed( + newIsCapExceptions, + node, + constructorName, + newIsCapExceptionPattern, + ); + + if (!isAllowed) { + report(node, "lower"); + } + } + }; + } + + if (config.capIsNew) { + listeners.CallExpression = function (node) { + const calleeName = extractNameFromExpression(node); + + if (calleeName) { + const capitalization = getCap(calleeName); + const isAllowed = + capitalization !== "upper" || + isCapAllowed( + capIsNewExceptions, + node, + calleeName, + capIsNewExceptionPattern, + ); + + if (!isAllowed) { + report(node, "upper"); + } + } + }; + } + + return listeners; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/new-parens.js b/module/node_modules/eslint/lib/rules/new-parens.js new file mode 100644 index 000000000..e8cb8db2a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/new-parens.js @@ -0,0 +1,120 @@ +/** + * @fileoverview Rule to flag when using constructor without parentheses + * @author Ilya Volodin + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "new-parens", + url: "https://eslint.style/rules/new-parens", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce or disallow parentheses when invoking a constructor with no arguments", + recommended: false, + url: "https://eslint.org/docs/latest/rules/new-parens", + }, + + fixable: "code", + schema: [ + { + enum: ["always", "never"], + }, + ], + messages: { + missing: "Missing '()' invoking a constructor.", + unnecessary: + "Unnecessary '()' invoking a constructor with no arguments.", + }, + }, + + create(context) { + const options = context.options; + const always = options[0] !== "never"; // Default is always + + const sourceCode = context.sourceCode; + + return { + NewExpression(node) { + if (node.arguments.length !== 0) { + return; // if there are arguments, there have to be parens + } + + const lastToken = sourceCode.getLastToken(node); + const hasLastParen = + lastToken && astUtils.isClosingParenToken(lastToken); + + // `hasParens` is true only if the new expression ends with its own parens, e.g., new new foo() does not end with its own parens + const hasParens = + hasLastParen && + astUtils.isOpeningParenToken( + sourceCode.getTokenBefore(lastToken), + ) && + node.callee.range[1] < node.range[1]; + + if (always) { + if (!hasParens) { + context.report({ + node, + messageId: "missing", + fix: fixer => fixer.insertTextAfter(node, "()"), + }); + } + } else { + if (hasParens) { + context.report({ + node, + messageId: "unnecessary", + fix: fixer => [ + fixer.remove( + sourceCode.getTokenBefore(lastToken), + ), + fixer.remove(lastToken), + fixer.insertTextBefore(node, "("), + fixer.insertTextAfter(node, ")"), + ], + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/newline-after-var.js b/module/node_modules/eslint/lib/rules/newline-after-var.js new file mode 100644 index 000000000..76d29117c --- /dev/null +++ b/module/node_modules/eslint/lib/rules/newline-after-var.js @@ -0,0 +1,307 @@ +/** + * @fileoverview Rule to check empty newline after "var" statement + * @author Gopal Venkatesan + * @deprecated in ESLint v4.0.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "layout", + + docs: { + description: + "Require or disallow an empty line after variable declarations", + recommended: false, + url: "https://eslint.org/docs/latest/rules/newline-after-var", + }, + schema: [ + { + enum: ["never", "always"], + }, + ], + fixable: "whitespace", + messages: { + expected: "Expected blank line after variable declarations.", + unexpected: "Unexpected blank line after variable declarations.", + }, + + deprecated: { + message: "The rule was replaced with a more general rule.", + url: "https://eslint.org/blog/2017/06/eslint-v4.0.0-released/", + deprecatedSince: "4.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: "The new rule moved to a plugin.", + url: "https://eslint.org/docs/latest/rules/padding-line-between-statements#examples", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "padding-line-between-statements", + url: "https://eslint.style/rules/padding-line-between-statements", + }, + }, + ], + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + // Default `mode` to "always". + const mode = context.options[0] === "never" ? "never" : "always"; + + // Cache starting and ending line numbers of comments for faster lookup + const commentEndLine = sourceCode + .getAllComments() + .reduce((result, token) => { + result[token.loc.start.line] = token.loc.end.line; + return result; + }, {}); + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Gets a token from the given node to compare line to the next statement. + * + * In general, the token is the last token of the node. However, the token is the second last token if the following conditions satisfy. + * + * - The last token is semicolon. + * - The semicolon is on a different line from the previous token of the semicolon. + * + * This behavior would address semicolon-less style code. e.g.: + * + * var foo = 1 + * + * ;(a || b).doSomething() + * @param {ASTNode} node The node to get. + * @returns {Token} The token to compare line to the next statement. + */ + function getLastToken(node) { + const lastToken = sourceCode.getLastToken(node); + + if (lastToken.type === "Punctuator" && lastToken.value === ";") { + const prevToken = sourceCode.getTokenBefore(lastToken); + + if (prevToken.loc.end.line !== lastToken.loc.start.line) { + return prevToken; + } + } + + return lastToken; + } + + /** + * Determine if provided keyword is a variable declaration + * @private + * @param {string} keyword keyword to test + * @returns {boolean} True if `keyword` is a type of var + */ + function isVar(keyword) { + return ( + keyword === "var" || keyword === "let" || keyword === "const" + ); + } + + /** + * Determine if provided keyword is a variant of for specifiers + * @private + * @param {string} keyword keyword to test + * @returns {boolean} True if `keyword` is a variant of for specifier + */ + function isForTypeSpecifier(keyword) { + return ( + keyword === "ForStatement" || + keyword === "ForInStatement" || + keyword === "ForOfStatement" + ); + } + + /** + * Determine if provided keyword is an export specifiers + * @private + * @param {string} nodeType nodeType to test + * @returns {boolean} True if `nodeType` is an export specifier + */ + function isExportSpecifier(nodeType) { + return ( + nodeType === "ExportNamedDeclaration" || + nodeType === "ExportSpecifier" || + nodeType === "ExportDefaultDeclaration" || + nodeType === "ExportAllDeclaration" + ); + } + + /** + * Determine if provided node is the last of their parent block. + * @private + * @param {ASTNode} node node to test + * @returns {boolean} True if `node` is last of their parent block. + */ + function isLastNode(node) { + const token = sourceCode.getTokenAfter(node); + + return ( + !token || (token.type === "Punctuator" && token.value === "}") + ); + } + + /** + * Gets the last line of a group of consecutive comments + * @param {number} commentStartLine The starting line of the group + * @returns {number} The number of the last comment line of the group + */ + function getLastCommentLineOfBlock(commentStartLine) { + const currentCommentEnd = commentEndLine[commentStartLine]; + + return commentEndLine[currentCommentEnd + 1] + ? getLastCommentLineOfBlock(currentCommentEnd + 1) + : currentCommentEnd; + } + + /** + * Determine if a token starts more than one line after a comment ends + * @param {token} token The token being checked + * @param {integer} commentStartLine The line number on which the comment starts + * @returns {boolean} True if `token` does not start immediately after a comment + */ + function hasBlankLineAfterComment(token, commentStartLine) { + return ( + token.loc.start.line > + getLastCommentLineOfBlock(commentStartLine) + 1 + ); + } + + /** + * Checks that a blank line exists after a variable declaration when mode is + * set to "always", or checks that there is no blank line when mode is set + * to "never" + * @private + * @param {ASTNode} node `VariableDeclaration` node to test + * @returns {void} + */ + function checkForBlankLine(node) { + /* + * lastToken is the last token on the node's line. It will usually also be the last token of the node, but it will + * sometimes be second-last if there is a semicolon on a different line. + */ + const lastToken = getLastToken(node), + /* + * If lastToken is the last token of the node, nextToken should be the token after the node. Otherwise, nextToken + * is the last token of the node. + */ + nextToken = + lastToken === sourceCode.getLastToken(node) + ? sourceCode.getTokenAfter(node) + : sourceCode.getLastToken(node), + nextLineNum = lastToken.loc.end.line + 1; + + // Ignore if there is no following statement + if (!nextToken) { + return; + } + + // Ignore if parent of node is a for variant + if (isForTypeSpecifier(node.parent.type)) { + return; + } + + // Ignore if parent of node is an export specifier + if (isExportSpecifier(node.parent.type)) { + return; + } + + /* + * Some coding styles use multiple `var` statements, so do nothing if + * the next token is a `var` statement. + */ + if (nextToken.type === "Keyword" && isVar(nextToken.value)) { + return; + } + + // Ignore if it is last statement in a block + if (isLastNode(node)) { + return; + } + + // Next statement is not a `var`... + const noNextLineToken = nextToken.loc.start.line > nextLineNum; + const hasNextLineComment = + typeof commentEndLine[nextLineNum] !== "undefined"; + + if (mode === "never" && noNextLineToken && !hasNextLineComment) { + context.report({ + node, + messageId: "unexpected", + fix(fixer) { + const linesBetween = sourceCode + .getText() + .slice(lastToken.range[1], nextToken.range[0]) + .split(astUtils.LINEBREAK_MATCHER); + + return fixer.replaceTextRange( + [lastToken.range[1], nextToken.range[0]], + `${linesBetween.slice(0, -1).join("")}\n${linesBetween.at(-1)}`, + ); + }, + }); + } + + // Token on the next line, or comment without blank line + if ( + mode === "always" && + (!noNextLineToken || + (hasNextLineComment && + !hasBlankLineAfterComment(nextToken, nextLineNum))) + ) { + context.report({ + node, + messageId: "expected", + fix(fixer) { + if ( + (noNextLineToken + ? getLastCommentLineOfBlock(nextLineNum) + : lastToken.loc.end.line) === + nextToken.loc.start.line + ) { + return fixer.insertTextBefore(nextToken, "\n\n"); + } + + return fixer.insertTextBeforeRange( + [ + nextToken.range[0] - nextToken.loc.start.column, + nextToken.range[1], + ], + "\n", + ); + }, + }); + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + VariableDeclaration: checkForBlankLine, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/newline-before-return.js b/module/node_modules/eslint/lib/rules/newline-before-return.js new file mode 100644 index 000000000..d9ebc9c18 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/newline-before-return.js @@ -0,0 +1,242 @@ +/** + * @fileoverview Rule to require newlines before `return` statement + * @author Kai Cataldo + * @deprecated in ESLint v4.0.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "layout", + + docs: { + description: "Require an empty line before `return` statements", + recommended: false, + url: "https://eslint.org/docs/latest/rules/newline-before-return", + }, + + fixable: "whitespace", + schema: [], + messages: { + expected: "Expected newline before return statement.", + }, + + deprecated: { + message: "The rule was replaced with a more general rule.", + url: "https://eslint.org/blog/2017/06/eslint-v4.0.0-released/", + deprecatedSince: "4.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: "The new rule moved to a plugin.", + url: "https://eslint.org/docs/latest/rules/padding-line-between-statements#examples", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "padding-line-between-statements", + url: "https://eslint.style/rules/padding-line-between-statements", + }, + }, + ], + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Tests whether node is preceded by supplied tokens + * @param {ASTNode} node node to check + * @param {Array} testTokens array of tokens to test against + * @returns {boolean} Whether or not the node is preceded by one of the supplied tokens + * @private + */ + function isPrecededByTokens(node, testTokens) { + const tokenBefore = sourceCode.getTokenBefore(node); + + return testTokens.includes(tokenBefore.value); + } + + /** + * Checks whether node is the first node after statement or in block + * @param {ASTNode} node node to check + * @returns {boolean} Whether or not the node is the first node after statement or in block + * @private + */ + function isFirstNode(node) { + const parentType = node.parent.type; + + if (node.parent.body) { + return Array.isArray(node.parent.body) + ? node.parent.body[0] === node + : node.parent.body === node; + } + + if (parentType === "IfStatement") { + return isPrecededByTokens(node, ["else", ")"]); + } + if (parentType === "DoWhileStatement") { + return isPrecededByTokens(node, ["do"]); + } + if (parentType === "SwitchCase") { + return isPrecededByTokens(node, [":"]); + } + return isPrecededByTokens(node, [")"]); + } + + /** + * Returns the number of lines of comments that precede the node + * @param {ASTNode} node node to check for overlapping comments + * @param {number} lineNumTokenBefore line number of previous token, to check for overlapping comments + * @returns {number} Number of lines of comments that precede the node + * @private + */ + function calcCommentLines(node, lineNumTokenBefore) { + const comments = sourceCode.getCommentsBefore(node); + let numLinesComments = 0; + + if (!comments.length) { + return numLinesComments; + } + + comments.forEach(comment => { + numLinesComments++; + + if (comment.type === "Block") { + numLinesComments += + comment.loc.end.line - comment.loc.start.line; + } + + // avoid counting lines with inline comments twice + if (comment.loc.start.line === lineNumTokenBefore) { + numLinesComments--; + } + + if (comment.loc.end.line === node.loc.start.line) { + numLinesComments--; + } + }); + + return numLinesComments; + } + + /** + * Returns the line number of the token before the node that is passed in as an argument + * @param {ASTNode} node The node to use as the start of the calculation + * @returns {number} Line number of the token before `node` + * @private + */ + function getLineNumberOfTokenBefore(node) { + const tokenBefore = sourceCode.getTokenBefore(node); + let lineNumTokenBefore; + + /** + * Global return (at the beginning of a script) is a special case. + * If there is no token before `return`, then we expect no line + * break before the return. Comments are allowed to occupy lines + * before the global return, just no blank lines. + * Setting lineNumTokenBefore to zero in that case results in the + * desired behavior. + */ + if (tokenBefore) { + lineNumTokenBefore = tokenBefore.loc.end.line; + } else { + lineNumTokenBefore = 0; // global return at beginning of script + } + + return lineNumTokenBefore; + } + + /** + * Checks whether node is preceded by a newline + * @param {ASTNode} node node to check + * @returns {boolean} Whether or not the node is preceded by a newline + * @private + */ + function hasNewlineBefore(node) { + const lineNumNode = node.loc.start.line; + const lineNumTokenBefore = getLineNumberOfTokenBefore(node); + const commentLines = calcCommentLines(node, lineNumTokenBefore); + + return lineNumNode - lineNumTokenBefore - commentLines > 1; + } + + /** + * Checks whether it is safe to apply a fix to a given return statement. + * + * The fix is not considered safe if the given return statement has leading comments, + * as we cannot safely determine if the newline should be added before or after the comments. + * For more information, see: https://github.com/eslint/eslint/issues/5958#issuecomment-222767211 + * @param {ASTNode} node The return statement node to check. + * @returns {boolean} `true` if it can fix the node. + * @private + */ + function canFix(node) { + const leadingComments = sourceCode.getCommentsBefore(node); + const lastLeadingComment = leadingComments.at(-1); + const tokenBefore = sourceCode.getTokenBefore(node); + + if (leadingComments.length === 0) { + return true; + } + + /* + * if the last leading comment ends in the same line as the previous token and + * does not share a line with the `return` node, we can consider it safe to fix. + * Example: + * function a() { + * var b; //comment + * return; + * } + */ + if ( + lastLeadingComment.loc.end.line === tokenBefore.loc.end.line && + lastLeadingComment.loc.end.line !== node.loc.start.line + ) { + return true; + } + + return false; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + ReturnStatement(node) { + if (!isFirstNode(node) && !hasNewlineBefore(node)) { + context.report({ + node, + messageId: "expected", + fix(fixer) { + if (canFix(node)) { + const tokenBefore = + sourceCode.getTokenBefore(node); + const newlines = + node.loc.start.line === + tokenBefore.loc.end.line + ? "\n\n" + : "\n"; + + return fixer.insertTextBefore(node, newlines); + } + return null; + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/newline-per-chained-call.js b/module/node_modules/eslint/lib/rules/newline-per-chained-call.js new file mode 100644 index 000000000..c56e94660 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/newline-per-chained-call.js @@ -0,0 +1,159 @@ +/** + * @fileoverview Rule to ensure newline per method call when chaining calls + * @author Rajendra Patil + * @author Burak Yigit Kaya + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "newline-per-chained-call", + url: "https://eslint.style/rules/newline-per-chained-call", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Require a newline after each call in a method chain", + recommended: false, + url: "https://eslint.org/docs/latest/rules/newline-per-chained-call", + }, + + fixable: "whitespace", + + schema: [ + { + type: "object", + properties: { + ignoreChainWithDepth: { + type: "integer", + minimum: 1, + maximum: 10, + default: 2, + }, + }, + additionalProperties: false, + }, + ], + messages: { + expected: "Expected line break before `{{callee}}`.", + }, + }, + + create(context) { + const options = context.options[0] || {}, + ignoreChainWithDepth = options.ignoreChainWithDepth || 2; + + const sourceCode = context.sourceCode; + + /** + * Get the prefix of a given MemberExpression node. + * If the MemberExpression node is a computed value it returns a + * left bracket. If not it returns a period. + * @param {ASTNode} node A MemberExpression node to get + * @returns {string} The prefix of the node. + */ + function getPrefix(node) { + if (node.computed) { + if (node.optional) { + return "?.["; + } + return "["; + } + if (node.optional) { + return "?."; + } + return "."; + } + + /** + * Gets the property text of a given MemberExpression node. + * If the text is multiline, this returns only the first line. + * @param {ASTNode} node A MemberExpression node to get. + * @returns {string} The property text of the node. + */ + function getPropertyText(node) { + const prefix = getPrefix(node); + const lines = sourceCode + .getText(node.property) + .split(astUtils.LINEBREAK_MATCHER); + const suffix = node.computed && lines.length === 1 ? "]" : ""; + + return prefix + lines[0] + suffix; + } + + return { + "CallExpression:exit"(node) { + const callee = astUtils.skipChainExpression(node.callee); + + if (callee.type !== "MemberExpression") { + return; + } + + let parent = astUtils.skipChainExpression(callee.object); + let depth = 1; + + while (parent && parent.callee) { + depth += 1; + parent = astUtils.skipChainExpression( + astUtils.skipChainExpression(parent.callee).object, + ); + } + + if ( + depth > ignoreChainWithDepth && + astUtils.isTokenOnSameLine(callee.object, callee.property) + ) { + const firstTokenAfterObject = sourceCode.getTokenAfter( + callee.object, + astUtils.isNotClosingParenToken, + ); + + context.report({ + node: callee.property, + loc: { + start: firstTokenAfterObject.loc.start, + end: callee.loc.end, + }, + messageId: "expected", + data: { + callee: getPropertyText(callee), + }, + fix(fixer) { + return fixer.insertTextBefore( + firstTokenAfterObject, + "\n", + ); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-alert.js b/module/node_modules/eslint/lib/rules/no-alert.js new file mode 100644 index 000000000..d1a3c5baa --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-alert.js @@ -0,0 +1,149 @@ +/** + * @fileoverview Rule to flag use of alert, confirm, prompt + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { + getStaticPropertyName: getPropertyName, + getVariableByName, + skipChainExpression, +} = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks if the given name is a prohibited identifier. + * @param {string} name The name to check + * @returns {boolean} Whether or not the name is prohibited. + */ +function isProhibitedIdentifier(name) { + return /^(?:alert|confirm|prompt)$/u.test(name); +} + +/** + * Finds the eslint-scope reference in the given scope. + * @param {Object} scope The scope to search. + * @param {ASTNode} node The identifier node. + * @returns {Reference|null} Returns the found reference or null if none were found. + */ +function findReference(scope, node) { + const references = scope.references.filter( + reference => + reference.identifier.range[0] === node.range[0] && + reference.identifier.range[1] === node.range[1], + ); + + if (references.length === 1) { + return references[0]; + } + return null; +} + +/** + * Checks if the given identifier node is shadowed in the given scope. + * @param {Object} scope The current scope. + * @param {string} node The identifier node to check + * @returns {boolean} Whether or not the name is shadowed. + */ +function isShadowed(scope, node) { + const reference = findReference(scope, node); + + return ( + reference && reference.resolved && reference.resolved.defs.length > 0 + ); +} + +/** + * Checks if the given identifier node is a ThisExpression in the global scope or the global window property. + * @param {Object} scope The current scope. + * @param {string} node The identifier node to check + * @returns {boolean} Whether or not the node is a reference to the global object. + */ +function isGlobalThisReferenceOrGlobalWindow(scope, node) { + if (scope.type === "global" && node.type === "ThisExpression") { + return true; + } + if ( + node.type === "Identifier" && + (node.name === "window" || + (node.name === "globalThis" && + getVariableByName(scope, "globalThis"))) + ) { + return !isShadowed(scope, node); + } + + return false; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow the use of `alert`, `confirm`, and `prompt`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-alert", + }, + + schema: [], + + messages: { + unexpected: "Unexpected {{name}}.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + CallExpression(node) { + const callee = skipChainExpression(node.callee), + currentScope = sourceCode.getScope(node); + + // without window. + if (callee.type === "Identifier") { + const name = callee.name; + + if ( + !isShadowed(currentScope, callee) && + isProhibitedIdentifier(callee.name) + ) { + context.report({ + node, + messageId: "unexpected", + data: { name }, + }); + } + } else if ( + callee.type === "MemberExpression" && + isGlobalThisReferenceOrGlobalWindow( + currentScope, + callee.object, + ) + ) { + const name = getPropertyName(callee); + + if (isProhibitedIdentifier(name)) { + context.report({ + node, + messageId: "unexpected", + data: { name }, + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-array-constructor.js b/module/node_modules/eslint/lib/rules/no-array-constructor.js new file mode 100644 index 000000000..46e8f6b74 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-array-constructor.js @@ -0,0 +1,195 @@ +/** + * @fileoverview Disallow construction of dense arrays using the Array constructor + * @author Matt DuVall + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { + getVariableByName, + isClosingParenToken, + isOpeningParenToken, + isStartOfExpressionStatement, + needsPrecedingSemicolon, +} = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + dialects: ["javascript", "typescript"], + language: "javascript", + type: "suggestion", + + docs: { + description: "Disallow `Array` constructors", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-array-constructor", + }, + + fixable: "code", + + hasSuggestions: true, + + schema: [], + + messages: { + preferLiteral: "The array literal notation [] is preferable.", + useLiteral: "Replace with an array literal.", + useLiteralAfterSemicolon: + "Replace with an array literal, add preceding semicolon.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Checks if there are comments in Array constructor expressions. + * @param {ASTNode} node A CallExpression or NewExpression node. + * @returns {boolean} True if there are comments, false otherwise. + */ + function hasCommentsInArrayConstructor(node) { + const firstToken = sourceCode.getFirstToken(node); + const lastToken = sourceCode.getLastToken(node); + + let lastRelevantToken = sourceCode.getLastToken(node.callee); + + while ( + lastRelevantToken !== lastToken && + !isOpeningParenToken(lastRelevantToken) + ) { + lastRelevantToken = sourceCode.getTokenAfter(lastRelevantToken); + } + + return sourceCode.commentsExistBetween( + firstToken, + lastRelevantToken, + ); + } + + /** + * Gets the text between the calling parentheses of a CallExpression or NewExpression. + * @param {ASTNode} node A CallExpression or NewExpression node. + * @returns {string} The text between the calling parentheses, or an empty string if there are none. + */ + function getArgumentsText(node) { + const lastToken = sourceCode.getLastToken(node); + + if (!isClosingParenToken(lastToken)) { + return ""; + } + + let firstToken = node.callee; + + do { + firstToken = sourceCode.getTokenAfter(firstToken); + if (!firstToken || firstToken === lastToken) { + return ""; + } + } while (!isOpeningParenToken(firstToken)); + + return sourceCode.text.slice( + firstToken.range[1], + lastToken.range[0], + ); + } + + /** + * Disallow construction of dense arrays using the Array constructor + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function check(node) { + if ( + node.callee.type !== "Identifier" || + node.callee.name !== "Array" || + node.typeArguments || + (node.arguments.length === 1 && + node.arguments[0].type !== "SpreadElement") + ) { + return; + } + + const variable = getVariableByName( + sourceCode.getScope(node), + "Array", + ); + + /* + * Check if `Array` is a predefined global variable: predefined globals have no declarations, + * meaning that the `identifiers` list of the variable object is empty. + */ + if (variable && variable.identifiers.length === 0) { + const argsText = getArgumentsText(node); + let fixText; + let messageId; + + const nonSpreadCount = node.arguments.reduce( + (count, arg) => + arg.type !== "SpreadElement" ? count + 1 : count, + 0, + ); + + const shouldSuggest = + node.optional || + (node.arguments.length > 0 && nonSpreadCount < 2) || + hasCommentsInArrayConstructor(node); + + /* + * Check if the suggested change should include a preceding semicolon or not. + * Due to JavaScript's ASI rules, a missing semicolon may be inserted automatically + * before an expression like `Array()` or `new Array()`, but not when the expression + * is changed into an array literal like `[]`. + */ + if ( + isStartOfExpressionStatement(node) && + needsPrecedingSemicolon(sourceCode, node) + ) { + fixText = `;[${argsText}]`; + messageId = "useLiteralAfterSemicolon"; + } else { + fixText = `[${argsText}]`; + messageId = "useLiteral"; + } + + context.report({ + node, + messageId: "preferLiteral", + fix(fixer) { + if (shouldSuggest) { + return null; + } + + return fixer.replaceText(node, fixText); + }, + suggest: [ + { + messageId, + fix(fixer) { + if (shouldSuggest) { + return fixer.replaceText(node, fixText); + } + + return null; + }, + }, + ], + }); + } + } + + return { + CallExpression: check, + NewExpression: check, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-async-promise-executor.js b/module/node_modules/eslint/lib/rules/no-async-promise-executor.js new file mode 100644 index 000000000..22edd48f7 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-async-promise-executor.js @@ -0,0 +1,45 @@ +/** + * @fileoverview disallow using an async function as a Promise executor + * @author Teddy Katz + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow using an async function as a Promise executor", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-async-promise-executor", + }, + + fixable: null, + schema: [], + messages: { + async: "Promise executor functions should not be async.", + }, + }, + + create(context) { + return { + "NewExpression[callee.name='Promise'][arguments.0.async=true]"( + node, + ) { + context.report({ + node: context.sourceCode.getFirstToken( + node.arguments[0], + token => token.value === "async", + ), + messageId: "async", + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-await-in-loop.js b/module/node_modules/eslint/lib/rules/no-await-in-loop.js new file mode 100644 index 000000000..2945257d1 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-await-in-loop.js @@ -0,0 +1,115 @@ +/** + * @fileoverview Rule to disallow uses of await inside of loops. + * @author Nat Mote (nmote) + */ +"use strict"; + +/** + * Check whether it should stop traversing ancestors at the given node. + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if it should stop traversing. + */ +function isBoundary(node) { + const t = node.type; + + return ( + t === "FunctionDeclaration" || + t === "FunctionExpression" || + t === "ArrowFunctionExpression" || + /* + * Don't report the await expressions on for-await-of loop since it's + * asynchronous iteration intentionally. + */ + (t === "ForOfStatement" && node.await === true) + ); +} + +/** + * Check whether the given node is in loop. + * @param {ASTNode} node A node to check. + * @param {ASTNode} parent A parent node to check. + * @returns {boolean} `true` if the node is in loop. + */ +function isLooped(node, parent) { + switch (parent.type) { + case "ForStatement": + return ( + node === parent.test || + node === parent.update || + node === parent.body + ); + + case "ForOfStatement": + case "ForInStatement": + return ( + node === parent.body || + (node === parent.left && node.kind === "await using") + ); + + case "WhileStatement": + case "DoWhileStatement": + return node === parent.test || node === parent.body; + + default: + return false; + } +} + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow `await` inside of loops", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-await-in-loop", + }, + + schema: [], + + messages: { + unexpectedAwait: "Unexpected `await` inside a loop.", + }, + }, + create(context) { + /** + * Validate an await expression. + * @param {ASTNode} awaitNode An AwaitExpression or ForOfStatement node to validate. + * @returns {void} + */ + function validate(awaitNode) { + if ( + awaitNode.type === "VariableDeclaration" && + awaitNode.kind !== "await using" + ) { + return; + } + + if (awaitNode.type === "ForOfStatement" && !awaitNode.await) { + return; + } + + let node = awaitNode; + let parent = node.parent; + + while (parent && !isBoundary(parent)) { + if (isLooped(node, parent)) { + context.report({ + node: awaitNode, + messageId: "unexpectedAwait", + }); + return; + } + node = parent; + parent = parent.parent; + } + } + + return { + AwaitExpression: validate, + ForOfStatement: validate, + VariableDeclaration: validate, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-bitwise.js b/module/node_modules/eslint/lib/rules/no-bitwise.js new file mode 100644 index 000000000..10149ed61 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-bitwise.js @@ -0,0 +1,145 @@ +/** + * @fileoverview Rule to flag bitwise identifiers + * @author Nicholas C. Zakas + */ + +"use strict"; + +/* + * + * Set of bitwise operators. + * + */ +const BITWISE_OPERATORS = [ + "^", + "|", + "&", + "<<", + ">>", + ">>>", + "^=", + "|=", + "&=", + "<<=", + ">>=", + ">>>=", + "~", +]; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + allow: [], + int32Hint: false, + }, + ], + + docs: { + description: "Disallow bitwise operators", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-bitwise", + }, + + schema: [ + { + type: "object", + properties: { + allow: { + type: "array", + items: { + enum: BITWISE_OPERATORS, + }, + uniqueItems: true, + }, + int32Hint: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpected: "Unexpected use of '{{operator}}'.", + }, + }, + + create(context) { + const [{ allow: allowed, int32Hint }] = context.options; + + /** + * Reports an unexpected use of a bitwise operator. + * @param {ASTNode} node Node which contains the bitwise operator. + * @returns {void} + */ + function report(node) { + context.report({ + node, + messageId: "unexpected", + data: { operator: node.operator }, + }); + } + + /** + * Checks if the given node has a bitwise operator. + * @param {ASTNode} node The node to check. + * @returns {boolean} Whether or not the node has a bitwise operator. + */ + function hasBitwiseOperator(node) { + return BITWISE_OPERATORS.includes(node.operator); + } + + /** + * Checks if exceptions were provided, e.g. `{ allow: ['~', '|'] }`. + * @param {ASTNode} node The node to check. + * @returns {boolean} Whether or not the node has a bitwise operator. + */ + function allowedOperator(node) { + return allowed.includes(node.operator); + } + + /** + * Checks if the given bitwise operator is used for integer typecasting, i.e. "|0" + * @param {ASTNode} node The node to check. + * @returns {boolean} whether the node is used in integer typecasting. + */ + function isInt32Hint(node) { + return ( + int32Hint && + node.operator === "|" && + node.right && + node.right.type === "Literal" && + node.right.value === 0 + ); + } + + /** + * Report if the given node contains a bitwise operator. + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function checkNodeForBitwiseOperator(node) { + if ( + hasBitwiseOperator(node) && + !allowedOperator(node) && + !isInt32Hint(node) + ) { + report(node); + } + } + + return { + AssignmentExpression: checkNodeForBitwiseOperator, + BinaryExpression: checkNodeForBitwiseOperator, + UnaryExpression: checkNodeForBitwiseOperator, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-buffer-constructor.js b/module/node_modules/eslint/lib/rules/no-buffer-constructor.js new file mode 100644 index 000000000..6a48b5573 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-buffer-constructor.js @@ -0,0 +1,74 @@ +/** + * @fileoverview disallow use of the Buffer() constructor + * @author Teddy Katz + * @deprecated in ESLint v7.0.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Node.js rules were moved out of ESLint core.", + url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules", + deprecatedSince: "7.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "eslint-plugin-n now maintains deprecated Node.js-related rules.", + plugin: { + name: "eslint-plugin-n", + url: "https://github.com/eslint-community/eslint-plugin-n", + }, + rule: { + name: "no-deprecated-api", + url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-deprecated-api.md", + }, + }, + ], + }, + + type: "problem", + + docs: { + description: "Disallow use of the `Buffer()` constructor", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-buffer-constructor", + }, + + schema: [], + + messages: { + deprecated: + "{{expr}} is deprecated. Use Buffer.from(), Buffer.alloc(), or Buffer.allocUnsafe() instead.", + }, + }, + + create(context) { + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + + return { + "CallExpression[callee.name='Buffer'], NewExpression[callee.name='Buffer']"( + node, + ) { + context.report({ + node, + messageId: "deprecated", + data: { + expr: + node.type === "CallExpression" + ? "Buffer()" + : "new Buffer()", + }, + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-caller.js b/module/node_modules/eslint/lib/rules/no-caller.js new file mode 100644 index 000000000..50790ff0e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-caller.js @@ -0,0 +1,52 @@ +/** + * @fileoverview Rule to flag use of arguments.callee and arguments.caller. + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow the use of `arguments.caller` or `arguments.callee`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-caller", + }, + + schema: [], + + messages: { + unexpected: "Avoid arguments.{{prop}}.", + }, + }, + + create(context) { + return { + MemberExpression(node) { + const objectName = node.object.name, + propertyName = node.property.name; + + if ( + objectName === "arguments" && + !node.computed && + propertyName && + propertyName.match(/^calle[er]$/u) + ) { + context.report({ + node, + messageId: "unexpected", + data: { prop: propertyName }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-case-declarations.js b/module/node_modules/eslint/lib/rules/no-case-declarations.js new file mode 100644 index 000000000..168594aad --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-case-declarations.js @@ -0,0 +1,80 @@ +/** + * @fileoverview Rule to flag use of an lexical declarations inside a case clause + * @author Erik Arvidsson + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow lexical declarations in case clauses", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-case-declarations", + }, + + hasSuggestions: true, + + schema: [], + + messages: { + addBrackets: "Add {} brackets around the case block.", + unexpected: "Unexpected lexical declaration in case block.", + }, + }, + + create(context) { + /** + * Checks whether or not a node is a lexical declaration. + * @param {ASTNode} node A direct child statement of a switch case. + * @returns {boolean} Whether or not the node is a lexical declaration. + */ + function isLexicalDeclaration(node) { + switch (node.type) { + case "FunctionDeclaration": + case "ClassDeclaration": + return true; + case "VariableDeclaration": + return node.kind !== "var"; + default: + return false; + } + } + + return { + SwitchCase(node) { + for (let i = 0; i < node.consequent.length; i++) { + const statement = node.consequent[i]; + + if (isLexicalDeclaration(statement)) { + context.report({ + node: statement, + messageId: "unexpected", + suggest: [ + { + messageId: "addBrackets", + fix: fixer => [ + fixer.insertTextBefore( + node.consequent[0], + "{ ", + ), + fixer.insertTextAfter( + node.consequent.at(-1), + " }", + ), + ], + }, + ], + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-catch-shadow.js b/module/node_modules/eslint/lib/rules/no-catch-shadow.js new file mode 100644 index 000000000..b47ac3248 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-catch-shadow.js @@ -0,0 +1,96 @@ +/** + * @fileoverview Rule to flag variable leak in CatchClauses in IE 8 and earlier + * @author Ian Christian Myers + * @deprecated in ESLint v5.1.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow `catch` clause parameters from shadowing variables in the outer scope", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-catch-shadow", + }, + + deprecated: { + message: "This rule was renamed.", + url: "https://eslint.org/blog/2018/07/eslint-v5.1.0-released/", + deprecatedSince: "5.1.0", + availableUntil: "11.0.0", + replacedBy: [ + { + rule: { + name: "no-shadow", + url: "https://eslint.org/docs/rules/no-shadow", + }, + }, + ], + }, + schema: [], + + messages: { + mutable: + "Value of '{{name}}' may be overwritten in IE 8 and earlier.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Check if the parameters are been shadowed + * @param {Object} scope current scope + * @param {string} name parameter name + * @returns {boolean} True is its been shadowed + */ + function paramIsShadowing(scope, name) { + return astUtils.getVariableByName(scope, name) !== null; + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "CatchClause[param!=null]"(node) { + let scope = sourceCode.getScope(node); + + /* + * When ecmaVersion >= 6, CatchClause creates its own scope + * so start from one upper scope to exclude the current node + */ + if (scope.block === node) { + scope = scope.upper; + } + + if (paramIsShadowing(scope, node.param.name)) { + context.report({ + node, + messageId: "mutable", + data: { name: node.param.name }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-class-assign.js b/module/node_modules/eslint/lib/rules/no-class-assign.js new file mode 100644 index 000000000..649769598 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-class-assign.js @@ -0,0 +1,66 @@ +/** + * @fileoverview A rule to disallow modifying variables of class declarations + * @author Toru Nagashima + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow reassigning class members", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-class-assign", + }, + + schema: [], + + messages: { + class: "'{{name}}' is a class.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Finds and reports references that are non initializer and writable. + * @param {Variable} variable A variable to check. + * @returns {void} + */ + function checkVariable(variable) { + astUtils + .getModifyingReferences(variable.references) + .forEach(reference => { + context.report({ + node: reference.identifier, + messageId: "class", + data: { name: reference.identifier.name }, + }); + }); + } + + /** + * Finds and reports references that are non initializer and writable. + * @param {ASTNode} node A ClassDeclaration/ClassExpression node to check. + * @returns {void} + */ + function checkForClass(node) { + sourceCode.getDeclaredVariables(node).forEach(checkVariable); + } + + return { + ClassDeclaration: checkForClass, + ClassExpression: checkForClass, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-compare-neg-zero.js b/module/node_modules/eslint/lib/rules/no-compare-neg-zero.js new file mode 100644 index 000000000..a5683164f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-compare-neg-zero.js @@ -0,0 +1,74 @@ +/** + * @fileoverview The rule should warn against code that tries to compare against -0. + * @author Aladdin-ADD + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow comparing against `-0`", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-compare-neg-zero", + }, + + fixable: null, + schema: [], + + messages: { + unexpected: + "Do not use the '{{operator}}' operator to compare against -0.", + }, + }, + + create(context) { + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Checks a given node is -0 + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is -0. + */ + function isNegZero(node) { + return ( + node.type === "UnaryExpression" && + node.operator === "-" && + node.argument.type === "Literal" && + node.argument.value === 0 + ); + } + const OPERATORS_TO_CHECK = new Set([ + ">", + ">=", + "<", + "<=", + "==", + "===", + "!=", + "!==", + ]); + + return { + BinaryExpression(node) { + if (OPERATORS_TO_CHECK.has(node.operator)) { + if (isNegZero(node.left) || isNegZero(node.right)) { + context.report({ + node, + messageId: "unexpected", + data: { operator: node.operator }, + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-cond-assign.js b/module/node_modules/eslint/lib/rules/no-cond-assign.js new file mode 100644 index 000000000..a686e690a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-cond-assign.js @@ -0,0 +1,175 @@ +/** + * @fileoverview Rule to flag assignment in a conditional statement's test expression + * @author Stephen Murray + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const TEST_CONDITION_PARENT_TYPES = new Set([ + "IfStatement", + "WhileStatement", + "DoWhileStatement", + "ForStatement", + "ConditionalExpression", +]); + +const NODE_DESCRIPTIONS = { + DoWhileStatement: "a 'do...while' statement", + ForStatement: "a 'for' statement", + IfStatement: "an 'if' statement", + WhileStatement: "a 'while' statement", +}; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: ["except-parens"], + + docs: { + description: + "Disallow assignment operators in conditional expressions", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-cond-assign", + }, + + schema: [ + { + enum: ["except-parens", "always"], + }, + ], + + messages: { + unexpected: "Unexpected assignment within {{type}}.", + + // must match JSHint's error message + missing: + "Expected a conditional expression and instead saw an assignment.", + }, + }, + + create(context) { + const [prohibitAssign] = context.options; + const sourceCode = context.sourceCode; + + /** + * Check whether an AST node is the test expression for a conditional statement. + * @param {!Object} node The node to test. + * @returns {boolean} `true` if the node is the text expression for a conditional statement; otherwise, `false`. + */ + function isConditionalTestExpression(node) { + return ( + node.parent && + TEST_CONDITION_PARENT_TYPES.has(node.parent.type) && + node === node.parent.test + ); + } + + /** + * Given an AST node, perform a bottom-up search for the first ancestor that represents a conditional statement. + * @param {!Object} node The node to use at the start of the search. + * @returns {?Object} The closest ancestor node that represents a conditional statement. + */ + function findConditionalAncestor(node) { + let currentAncestor = node; + + do { + if (isConditionalTestExpression(currentAncestor)) { + return currentAncestor.parent; + } + } while ( + (currentAncestor = currentAncestor.parent) && + !astUtils.isFunction(currentAncestor) + ); + + return null; + } + + /** + * Check whether the code represented by an AST node is enclosed in two sets of parentheses. + * @param {!Object} node The node to test. + * @returns {boolean} `true` if the code is enclosed in two sets of parentheses; otherwise, `false`. + */ + function isParenthesisedTwice(node) { + const previousToken = sourceCode.getTokenBefore(node, 1), + nextToken = sourceCode.getTokenAfter(node, 1); + + return ( + astUtils.isParenthesised(sourceCode, node) && + previousToken && + astUtils.isOpeningParenToken(previousToken) && + previousToken.range[1] <= node.range[0] && + astUtils.isClosingParenToken(nextToken) && + nextToken.range[0] >= node.range[1] + ); + } + + /** + * Check a conditional statement's test expression for top-level assignments that are not enclosed in parentheses. + * @param {!Object} node The node for the conditional statement. + * @returns {void} + */ + function testForAssign(node) { + if ( + node.test && + node.test.type === "AssignmentExpression" && + (node.type === "ForStatement" + ? !astUtils.isParenthesised(sourceCode, node.test) + : !isParenthesisedTwice(node.test)) + ) { + context.report({ + node: node.test, + messageId: "missing", + }); + } + } + + /** + * Check whether an assignment expression is descended from a conditional statement's test expression. + * @param {!Object} node The node for the assignment expression. + * @returns {void} + */ + function testForConditionalAncestor(node) { + const ancestor = findConditionalAncestor(node); + + if (ancestor) { + context.report({ + node, + messageId: "unexpected", + data: { + type: NODE_DESCRIPTIONS[ancestor.type] || ancestor.type, + }, + }); + } + } + + if (prohibitAssign === "always") { + return { + AssignmentExpression: testForConditionalAncestor, + }; + } + + return { + DoWhileStatement: testForAssign, + ForStatement: testForAssign, + IfStatement: testForAssign, + WhileStatement: testForAssign, + ConditionalExpression: testForAssign, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-confusing-arrow.js b/module/node_modules/eslint/lib/rules/no-confusing-arrow.js new file mode 100644 index 000000000..1b3e79828 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-confusing-arrow.js @@ -0,0 +1,127 @@ +/** + * @fileoverview A rule to warn against using arrow functions when they could be + * confused with comparisons + * @author Jxck + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils.js"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not a node is a conditional expression. + * @param {ASTNode} node node to test + * @returns {boolean} `true` if the node is a conditional expression. + */ +function isConditional(node) { + return node && node.type === "ConditionalExpression"; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "no-confusing-arrow", + url: "https://eslint.style/rules/no-confusing-arrow", + }, + }, + ], + }, + type: "suggestion", + + docs: { + description: + "Disallow arrow functions where they could be confused with comparisons", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-confusing-arrow", + }, + + fixable: "code", + + schema: [ + { + type: "object", + properties: { + allowParens: { type: "boolean", default: true }, + onlyOneSimpleParam: { type: "boolean", default: false }, + }, + additionalProperties: false, + }, + ], + + messages: { + confusing: + "Arrow function used ambiguously with a conditional expression.", + }, + }, + + create(context) { + const config = context.options[0] || {}; + const allowParens = config.allowParens || config.allowParens === void 0; + const onlyOneSimpleParam = config.onlyOneSimpleParam; + const sourceCode = context.sourceCode; + + /** + * Reports if an arrow function contains an ambiguous conditional. + * @param {ASTNode} node A node to check and report. + * @returns {void} + */ + function checkArrowFunc(node) { + const body = node.body; + + if ( + isConditional(body) && + !(allowParens && astUtils.isParenthesised(sourceCode, body)) && + !( + onlyOneSimpleParam && + !( + node.params.length === 1 && + node.params[0].type === "Identifier" + ) + ) + ) { + context.report({ + node, + messageId: "confusing", + fix(fixer) { + // if `allowParens` is not set to true don't bother wrapping in parens + return ( + allowParens && + fixer.replaceText( + node.body, + `(${sourceCode.getText(node.body)})`, + ) + ); + }, + }); + } + } + + return { + ArrowFunctionExpression: checkArrowFunc, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-console.js b/module/node_modules/eslint/lib/rules/no-console.js new file mode 100644 index 000000000..1d734442e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-console.js @@ -0,0 +1,221 @@ +/** + * @fileoverview Rule to flag use of console object + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [{}], + + docs: { + description: "Disallow the use of `console`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-console", + }, + + schema: [ + { + type: "object", + properties: { + allow: { + type: "array", + items: { + type: "string", + }, + minItems: 1, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + + hasSuggestions: true, + + messages: { + unexpected: "Unexpected console statement.", + limited: + "Unexpected console statement. Only these console methods are allowed: {{ allowed }}.", + removeConsole: "Remove the console.{{ propertyName }}().", + removeMethodCall: "Remove the console method call.", + }, + }, + + create(context) { + const [{ allow: allowed = [] }] = context.options; + const sourceCode = context.sourceCode; + + /** + * Checks whether the given reference is 'console' or not. + * @param {eslint-scope.Reference} reference The reference to check. + * @returns {boolean} `true` if the reference is 'console'. + */ + function isConsole(reference) { + const id = reference.identifier; + + return id && id.name === "console"; + } + + /** + * Checks whether the property name of the given MemberExpression node + * is allowed by options or not. + * @param {ASTNode} node The MemberExpression node to check. + * @returns {boolean} `true` if the property name of the node is allowed. + */ + function isAllowed(node) { + const propertyName = astUtils.getStaticPropertyName(node); + + return propertyName && allowed.includes(propertyName); + } + + /** + * Checks whether the given reference is a member access which is not + * allowed by options or not. + * @param {eslint-scope.Reference} reference The reference to check. + * @returns {boolean} `true` if the reference is a member access which + * is not allowed by options. + */ + function isMemberAccessExceptAllowed(reference) { + const node = reference.identifier; + const parent = node.parent; + + return ( + parent.type === "MemberExpression" && + parent.object === node && + !isAllowed(parent) + ); + } + + /** + * Checks if removing the ExpressionStatement node will cause ASI to + * break. + * eg. + * foo() + * console.log(); + * [1, 2, 3].forEach(a => doSomething(a)) + * + * Removing the console.log(); statement should leave two statements, but + * here the two statements will become one because [ causes continuation after + * foo(). + * @param {ASTNode} node The ExpressionStatement node to check. + * @returns {boolean} `true` if ASI will break after removing the ExpressionStatement + * node. + */ + function maybeAsiHazard(node) { + const SAFE_TOKENS_BEFORE = /^[:;{]$/u; // One of :;{ + const UNSAFE_CHARS_AFTER = /^[-[(/+`]/u; // One of [(/+-` + + const tokenBefore = sourceCode.getTokenBefore(node); + const tokenAfter = sourceCode.getTokenAfter(node); + + return ( + Boolean(tokenAfter) && + UNSAFE_CHARS_AFTER.test(tokenAfter.value) && + tokenAfter.value !== "++" && + tokenAfter.value !== "--" && + Boolean(tokenBefore) && + !SAFE_TOKENS_BEFORE.test(tokenBefore.value) + ); + } + + /** + * Checks if the MemberExpression node's parent.parent.parent is a + * Program, BlockStatement, StaticBlock, or SwitchCase node. This check + * is necessary to avoid providing a suggestion that might cause a syntax error. + * + * eg. if (a) console.log(b), removing console.log() here will lead to a + * syntax error. + * if (a) { console.log(b) }, removing console.log() here is acceptable. + * + * Additionally, it checks if the callee of the CallExpression node is + * the node itself. + * + * eg. foo(console.log), cannot provide a suggestion here. + * @param {ASTNode} node The MemberExpression node to check. + * @returns {boolean} `true` if a suggestion can be provided for a node. + */ + function canProvideSuggestions(node) { + return ( + node.parent.type === "CallExpression" && + node.parent.callee === node && + node.parent.parent.type === "ExpressionStatement" && + astUtils.STATEMENT_LIST_PARENTS.has( + node.parent.parent.parent.type, + ) && + !maybeAsiHazard(node.parent.parent) + ); + } + + /** + * Reports the given reference as a violation. + * @param {eslint-scope.Reference} reference The reference to report. + * @returns {void} + */ + function report(reference) { + const node = reference.identifier.parent; + + const suggest = []; + + if (canProvideSuggestions(node)) { + const suggestion = { + fix(fixer) { + return fixer.remove(node.parent.parent); + }, + }; + + if (node.computed) { + suggestion.messageId = "removeMethodCall"; + } else { + suggestion.messageId = "removeConsole"; + suggestion.data = { propertyName: node.property.name }; + } + suggest.push(suggestion); + } + context.report({ + node, + loc: node.loc, + messageId: allowed.length ? "limited" : "unexpected", + data: { allowed: allowed.join(", ") }, + suggest, + }); + } + + return { + "Program:exit"(node) { + const scope = sourceCode.getScope(node); + const consoleVar = astUtils.getVariableByName(scope, "console"); + const shadowed = consoleVar && consoleVar.defs.length > 0; + + /* + * 'scope.through' includes all references to undefined + * variables. If the variable 'console' is not defined, it uses + * 'scope.through'. + */ + const references = consoleVar + ? consoleVar.references + : scope.through.filter(isConsole); + + if (!shadowed) { + references + .filter(isMemberAccessExceptAllowed) + .forEach(report); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-const-assign.js b/module/node_modules/eslint/lib/rules/no-const-assign.js new file mode 100644 index 000000000..5e126c80e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-const-assign.js @@ -0,0 +1,73 @@ +/** + * @fileoverview A rule to disallow modifying variables that are declared using `const` + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const CONSTANT_BINDINGS = new Set(["const", "using", "await using"]); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow reassigning `const`, `using`, and `await using` variables", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-const-assign", + }, + + schema: [], + + messages: { + const: "'{{name}}' is constant.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Finds and reports references that are non initializer and writable. + * @param {Variable} variable A variable to check. + * @returns {void} + */ + function checkVariable(variable) { + astUtils + .getModifyingReferences(variable.references) + .forEach(reference => { + context.report({ + node: reference.identifier, + messageId: "const", + data: { name: reference.identifier.name }, + }); + }); + } + + return { + VariableDeclaration(node) { + if (CONSTANT_BINDINGS.has(node.kind)) { + sourceCode + .getDeclaredVariables(node) + .forEach(checkVariable); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-constant-binary-expression.js b/module/node_modules/eslint/lib/rules/no-constant-binary-expression.js new file mode 100644 index 000000000..e36063114 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-constant-binary-expression.js @@ -0,0 +1,603 @@ +/** + * @fileoverview Rule to flag constant comparisons and logical expressions that always/never short circuit + * @author Jordan Eldredge + */ + +"use strict"; + +const { + isNullLiteral, + isConstant, + isReferenceToGlobalVariable, + isLogicalAssignmentOperator, + ECMASCRIPT_GLOBALS, +} = require("./utils/ast-utils"); + +const NUMERIC_OR_STRING_BINARY_OPERATORS = new Set([ + "+", + "-", + "*", + "/", + "%", + "|", + "^", + "&", + "**", + "<<", + ">>", + ">>>", +]); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not a node is `null` or `undefined`. Similar to the one + * found in ast-utils.js, but this one correctly handles the edge case that + * `undefined` has been redefined. + * @param {Scope} scope Scope in which the expression was found. + * @param {ASTNode} node A node to check. + * @returns {boolean} Whether or not the node is a `null` or `undefined`. + * @public + */ +function isNullOrUndefined(scope, node) { + return ( + isNullLiteral(node) || + (node.type === "Identifier" && + node.name === "undefined" && + isReferenceToGlobalVariable(scope, node)) || + (node.type === "UnaryExpression" && node.operator === "void") + ); +} + +/** + * Test if an AST node has a statically knowable constant nullishness. Meaning, + * it will always resolve to a constant value of either: `null`, `undefined` + * or not `null` _or_ `undefined`. An expression that can vary between those + * three states at runtime would return `false`. + * @param {Scope} scope The scope in which the node was found. + * @param {ASTNode} node The AST node being tested. + * @param {boolean} nonNullish if `true` then nullish values are not considered constant. + * @returns {boolean} Does `node` have constant nullishness? + */ +function hasConstantNullishness(scope, node, nonNullish) { + if (nonNullish && isNullOrUndefined(scope, node)) { + return false; + } + + switch (node.type) { + case "ObjectExpression": // Objects are never nullish + case "ArrayExpression": // Arrays are never nullish + case "ArrowFunctionExpression": // Functions never nullish + case "FunctionExpression": // Functions are never nullish + case "ClassExpression": // Classes are never nullish + case "NewExpression": // Objects are never nullish + case "Literal": // Nullish, or non-nullish, literals never change + case "TemplateLiteral": // A string is never nullish + case "UpdateExpression": // Numbers are never nullish + case "BinaryExpression": // Numbers, strings, or booleans are never nullish + return true; + case "CallExpression": { + if (node.callee.type !== "Identifier") { + return false; + } + const functionName = node.callee.name; + + return ( + (functionName === "Boolean" || + functionName === "String" || + functionName === "Number") && + isReferenceToGlobalVariable(scope, node.callee) + ); + } + case "LogicalExpression": { + return ( + node.operator === "??" && + hasConstantNullishness(scope, node.right, true) + ); + } + case "AssignmentExpression": + if (node.operator === "=") { + return hasConstantNullishness(scope, node.right, nonNullish); + } + + /* + * Handling short-circuiting assignment operators would require + * walking the scope. We won't attempt that (for now...) / + */ + if (isLogicalAssignmentOperator(node.operator)) { + return false; + } + + /* + * The remaining assignment expressions all result in a numeric or + * string (non-nullish) value: + * "+=", "-=", "*=", "/=", "%=", "<<=", ">>=", ">>>=", "|=", "^=", "&=" + */ + + return true; + case "UnaryExpression": + /* + * "void" Always returns `undefined` + * "typeof" All types are strings, and thus non-nullish + * "!" Boolean is never nullish + * "delete" Returns a boolean, which is never nullish + * Math operators always return numbers or strings, neither of which + * are non-nullish "+", "-", "~" + */ + + return true; + case "SequenceExpression": { + const last = node.expressions.at(-1); + + return hasConstantNullishness(scope, last, nonNullish); + } + case "Identifier": + return ( + node.name === "undefined" && + isReferenceToGlobalVariable(scope, node) + ); + case "JSXElement": // ESLint has a policy of not assuming any specific JSX behavior. + case "JSXFragment": + return false; + default: + return false; + } +} + +/** + * Test if an AST node is a boolean value that never changes. Specifically we + * test for: + * 1. Literal booleans (`true` or `false`) + * 2. Unary `!` expressions with a constant value + * 3. Constant booleans created via the `Boolean` global function + * @param {Scope} scope The scope in which the node was found. + * @param {ASTNode} node The node to test + * @returns {boolean} Is `node` guaranteed to be a boolean? + */ +function isStaticBoolean(scope, node) { + switch (node.type) { + case "Literal": + return typeof node.value === "boolean"; + case "CallExpression": + return ( + node.callee.type === "Identifier" && + node.callee.name === "Boolean" && + isReferenceToGlobalVariable(scope, node.callee) && + (node.arguments.length === 0 || + isConstant(scope, node.arguments[0], true)) + ); + case "UnaryExpression": + return ( + node.operator === "!" && isConstant(scope, node.argument, true) + ); + default: + return false; + } +} + +/** + * Test if an AST node will always give the same result when compared to a + * boolean value. Note that comparison to boolean values is different than + * truthiness. + * https://262.ecma-international.org/5.1/#sec-11.9.3 + * + * JavaScript `==` operator works by converting the boolean to `1` (true) or + * `+0` (false) and then checks the values `==` equality to that number. + * @param {Scope} scope The scope in which node was found. + * @param {ASTNode} node The node to test. + * @returns {boolean} Will `node` always coerce to the same boolean value? + */ +function hasConstantLooseBooleanComparison(scope, node) { + switch (node.type) { + case "ObjectExpression": + case "ClassExpression": + /** + * In theory objects like: + * + * `{toString: () => a}` + * `{valueOf: () => a}` + * + * Or a classes like: + * + * `class { static toString() { return a } }` + * `class { static valueOf() { return a } }` + * + * Are not constant verifiably when `inBooleanPosition` is + * false, but it's an edge case we've opted not to handle. + */ + return true; + case "ArrayExpression": { + const nonSpreadElements = node.elements.filter( + e => + // Elements can be `null` in sparse arrays: `[,,]`; + e !== null && e.type !== "SpreadElement", + ); + + /* + * Possible future direction if needed: We could check if the + * single value would result in variable boolean comparison. + * For now we will err on the side of caution since `[x]` could + * evaluate to `[0]` or `[1]`. + */ + return node.elements.length === 0 || nonSpreadElements.length > 1; + } + case "ArrowFunctionExpression": + case "FunctionExpression": + return true; + case "UnaryExpression": + if ( + node.operator === "void" || // Always returns `undefined` + node.operator === "typeof" // All `typeof` strings, when coerced to number, are not 0 or 1. + ) { + return true; + } + if (node.operator === "!") { + return isConstant(scope, node.argument, true); + } + + /* + * We won't try to reason about +, -, ~, or delete + * In theory, for the mathematical operators, we could look at the + * argument and try to determine if it coerces to a constant numeric + * value. + */ + return false; + case "NewExpression": // Objects might have custom `.valueOf` or `.toString`. + return false; + case "CallExpression": { + if ( + node.callee.type === "Identifier" && + node.callee.name === "Boolean" && + isReferenceToGlobalVariable(scope, node.callee) + ) { + return ( + node.arguments.length === 0 || + isConstant(scope, node.arguments[0], true) + ); + } + return false; + } + case "Literal": // True or false, literals never change + return true; + case "Identifier": + return ( + node.name === "undefined" && + isReferenceToGlobalVariable(scope, node) + ); + case "TemplateLiteral": + /* + * In theory we could try to check if the quasi are sufficient to + * prove that the expression will always be true, but it would be + * tricky to get right. For example: `000.${foo}000` + */ + return node.expressions.length === 0; + case "AssignmentExpression": + if (node.operator === "=") { + return hasConstantLooseBooleanComparison(scope, node.right); + } + + /* + * Handling short-circuiting assignment operators would require + * walking the scope. We won't attempt that (for now...) + * + * The remaining assignment expressions all result in a numeric or + * string (non-nullish) values which could be truthy or falsy: + * "+=", "-=", "*=", "/=", "%=", "<<=", ">>=", ">>>=", "|=", "^=", "&=" + */ + return false; + case "SequenceExpression": { + const last = node.expressions.at(-1); + + return hasConstantLooseBooleanComparison(scope, last); + } + case "JSXElement": // ESLint has a policy of not assuming any specific JSX behavior. + case "JSXFragment": + return false; + default: + return false; + } +} + +/** + * Test if an AST node will always give the same result when _strictly_ compared + * to a boolean value. This can happen if the expression can never be boolean, or + * if it is always the same boolean value. + * @param {Scope} scope The scope in which the node was found. + * @param {ASTNode} node The node to test + * @returns {boolean} Will `node` always give the same result when compared to a + * static boolean value? + */ +function hasConstantStrictBooleanComparison(scope, node) { + switch (node.type) { + case "ObjectExpression": // Objects are not booleans + case "ArrayExpression": // Arrays are not booleans + case "ArrowFunctionExpression": // Functions are not booleans + case "FunctionExpression": + case "ClassExpression": // Classes are not booleans + case "NewExpression": // Objects are not booleans + case "TemplateLiteral": // Strings are not booleans + case "Literal": // True, false, or not boolean, literals never change. + case "UpdateExpression": // Numbers are not booleans + return true; + case "BinaryExpression": + return NUMERIC_OR_STRING_BINARY_OPERATORS.has(node.operator); + case "UnaryExpression": { + if (node.operator === "delete") { + return false; + } + if (node.operator === "!") { + return isConstant(scope, node.argument, true); + } + + /* + * The remaining operators return either strings or numbers, neither + * of which are boolean. + */ + return true; + } + case "SequenceExpression": { + const last = node.expressions.at(-1); + + return hasConstantStrictBooleanComparison(scope, last); + } + case "Identifier": + return ( + node.name === "undefined" && + isReferenceToGlobalVariable(scope, node) + ); + case "AssignmentExpression": + if (node.operator === "=") { + return hasConstantStrictBooleanComparison(scope, node.right); + } + + /* + * Handling short-circuiting assignment operators would require + * walking the scope. We won't attempt that (for now...) + */ + if (isLogicalAssignmentOperator(node.operator)) { + return false; + } + + /* + * The remaining assignment expressions all result in either a number + * or a string, neither of which can ever be boolean. + */ + return true; + case "CallExpression": { + if (node.callee.type !== "Identifier") { + return false; + } + const functionName = node.callee.name; + + if ( + (functionName === "String" || functionName === "Number") && + isReferenceToGlobalVariable(scope, node.callee) + ) { + return true; + } + if ( + functionName === "Boolean" && + isReferenceToGlobalVariable(scope, node.callee) + ) { + return ( + node.arguments.length === 0 || + isConstant(scope, node.arguments[0], true) + ); + } + return false; + } + case "JSXElement": // ESLint has a policy of not assuming any specific JSX behavior. + case "JSXFragment": + return false; + default: + return false; + } +} + +/** + * Test if an AST node will always result in a newly constructed object + * @param {Scope} scope The scope in which the node was found. + * @param {ASTNode} node The node to test + * @returns {boolean} Will `node` always be new? + */ +function isAlwaysNew(scope, node) { + switch (node.type) { + case "ObjectExpression": + case "ArrayExpression": + case "ArrowFunctionExpression": + case "FunctionExpression": + case "ClassExpression": + return true; + case "NewExpression": { + if (node.callee.type !== "Identifier") { + return false; + } + + /* + * All the built-in constructors are always new, but + * user-defined constructors could return a sentinel + * object. + * + * Catching these is especially useful for primitive constructors + * which return boxed values, a surprising gotcha' in JavaScript. + */ + return ( + Object.hasOwn(ECMASCRIPT_GLOBALS, node.callee.name) && + isReferenceToGlobalVariable(scope, node.callee) + ); + } + case "Literal": + // Regular expressions are objects, and thus always new + return typeof node.regex === "object"; + case "SequenceExpression": { + const last = node.expressions.at(-1); + + return isAlwaysNew(scope, last); + } + case "AssignmentExpression": + if (node.operator === "=") { + return isAlwaysNew(scope, node.right); + } + return false; + case "ConditionalExpression": + return ( + isAlwaysNew(scope, node.consequent) && + isAlwaysNew(scope, node.alternate) + ); + case "JSXElement": // ESLint has a policy of not assuming any specific JSX behavior. + case "JSXFragment": + return false; + default: + return false; + } +} + +/** + * Checks if one operand will cause the result to be constant. + * @param {Scope} scope Scope in which the expression was found. + * @param {ASTNode} a One side of the expression + * @param {ASTNode} b The other side of the expression + * @param {string} operator The binary expression operator + * @returns {ASTNode | null} The node which will cause the expression to have a constant result. + */ +function findBinaryExpressionConstantOperand(scope, a, b, operator) { + if (operator === "==" || operator === "!=") { + if ( + (isNullOrUndefined(scope, a) && + hasConstantNullishness(scope, b, false)) || + (isStaticBoolean(scope, a) && + hasConstantLooseBooleanComparison(scope, b)) + ) { + return b; + } + } else if (operator === "===" || operator === "!==") { + if ( + (isNullOrUndefined(scope, a) && + hasConstantNullishness(scope, b, false)) || + (isStaticBoolean(scope, a) && + hasConstantStrictBooleanComparison(scope, b)) + ) { + return b; + } + } + return null; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + docs: { + description: + "Disallow expressions where the operation doesn't affect the value", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-constant-binary-expression", + }, + schema: [], + messages: { + constantBinaryOperand: + "Unexpected constant binary expression. Compares constantly with the {{otherSide}}-hand side of the `{{operator}}`.", + constantShortCircuit: + "Unexpected constant {{property}} on the left-hand side of a `{{operator}}` expression.", + alwaysNew: + "Unexpected comparison to newly constructed object. These two values can never be equal.", + bothAlwaysNew: + "Unexpected comparison of two newly constructed objects. These two values can never be equal.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + LogicalExpression(node) { + const { operator, left } = node; + const scope = sourceCode.getScope(node); + + if ( + (operator === "&&" || operator === "||") && + isConstant(scope, left, true) + ) { + context.report({ + node: left, + messageId: "constantShortCircuit", + data: { property: "truthiness", operator }, + }); + } else if ( + operator === "??" && + hasConstantNullishness(scope, left, false) + ) { + context.report({ + node: left, + messageId: "constantShortCircuit", + data: { property: "nullishness", operator }, + }); + } + }, + BinaryExpression(node) { + const scope = sourceCode.getScope(node); + const { right, left, operator } = node; + const rightConstantOperand = + findBinaryExpressionConstantOperand( + scope, + left, + right, + operator, + ); + const leftConstantOperand = findBinaryExpressionConstantOperand( + scope, + right, + left, + operator, + ); + + if (rightConstantOperand) { + context.report({ + node: rightConstantOperand, + messageId: "constantBinaryOperand", + data: { operator, otherSide: "left" }, + }); + } else if (leftConstantOperand) { + context.report({ + node: leftConstantOperand, + messageId: "constantBinaryOperand", + data: { operator, otherSide: "right" }, + }); + } else if (operator === "===" || operator === "!==") { + if (isAlwaysNew(scope, left)) { + context.report({ node: left, messageId: "alwaysNew" }); + } else if (isAlwaysNew(scope, right)) { + context.report({ node: right, messageId: "alwaysNew" }); + } + } else if (operator === "==" || operator === "!=") { + /* + * If both sides are "new", then both sides are objects and + * therefore they will be compared by reference even with `==` + * equality. + */ + if (isAlwaysNew(scope, left) && isAlwaysNew(scope, right)) { + context.report({ + node: left, + messageId: "bothAlwaysNew", + }); + } + } + }, + + /* + * In theory we could handle short-circuiting assignment operators, + * for some constant values, but that would require walking the + * scope to find the value of the variable being assigned. This is + * dependent on https://github.com/eslint/eslint/issues/13776 + * + * AssignmentExpression() {}, + */ + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-constant-condition.js b/module/node_modules/eslint/lib/rules/no-constant-condition.js new file mode 100644 index 000000000..4ecd5a3d2 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-constant-condition.js @@ -0,0 +1,177 @@ +/** + * @fileoverview Rule to flag use constant conditions + * @author Christian Schulz + */ + +"use strict"; + +const { isConstant } = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [{ checkLoops: "allExceptWhileTrue" }], + + docs: { + description: "Disallow constant expressions in conditions", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-constant-condition", + }, + + schema: [ + { + type: "object", + properties: { + checkLoops: { + enum: [ + "all", + "allExceptWhileTrue", + "none", + true, + false, + ], + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpected: "Unexpected constant condition.", + }, + }, + + create(context) { + const loopSetStack = []; + const sourceCode = context.sourceCode; + let [{ checkLoops }] = context.options; + + if (checkLoops === true) { + checkLoops = "all"; + } else if (checkLoops === false) { + checkLoops = "none"; + } + + let loopsInCurrentScope = new Set(); + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Tracks when the given node contains a constant condition. + * @param {ASTNode} node The AST node to check. + * @returns {void} + * @private + */ + function trackConstantConditionLoop(node) { + if ( + node.test && + isConstant(sourceCode.getScope(node), node.test, true) + ) { + loopsInCurrentScope.add(node); + } + } + + /** + * Reports when the set contains the given constant condition node + * @param {ASTNode} node The AST node to check. + * @returns {void} + * @private + */ + function checkConstantConditionLoopInSet(node) { + if (loopsInCurrentScope.has(node)) { + loopsInCurrentScope.delete(node); + context.report({ node: node.test, messageId: "unexpected" }); + } + } + + /** + * Reports when the given node contains a constant condition. + * @param {ASTNode} node The AST node to check. + * @returns {void} + * @private + */ + function reportIfConstant(node) { + if ( + node.test && + isConstant(sourceCode.getScope(node), node.test, true) + ) { + context.report({ node: node.test, messageId: "unexpected" }); + } + } + + /** + * Stores current set of constant loops in loopSetStack temporarily + * and uses a new set to track constant loops + * @returns {void} + * @private + */ + function enterFunction() { + loopSetStack.push(loopsInCurrentScope); + loopsInCurrentScope = new Set(); + } + + /** + * Reports when the set still contains stored constant conditions + * @returns {void} + * @private + */ + function exitFunction() { + loopsInCurrentScope = loopSetStack.pop(); + } + + /** + * Checks node when checkLoops option is enabled + * @param {ASTNode} node The AST node to check. + * @returns {void} + * @private + */ + function checkLoop(node) { + if (checkLoops === "all" || checkLoops === "allExceptWhileTrue") { + trackConstantConditionLoop(node); + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + ConditionalExpression: reportIfConstant, + IfStatement: reportIfConstant, + WhileStatement(node) { + if ( + node.test.type === "Literal" && + node.test.value === true && + checkLoops === "allExceptWhileTrue" + ) { + return; + } + + checkLoop(node); + }, + "WhileStatement:exit": checkConstantConditionLoopInSet, + DoWhileStatement: checkLoop, + "DoWhileStatement:exit": checkConstantConditionLoopInSet, + ForStatement: checkLoop, + "ForStatement > .test": node => checkLoop(node.parent), + "ForStatement:exit": checkConstantConditionLoopInSet, + FunctionDeclaration: enterFunction, + "FunctionDeclaration:exit": exitFunction, + FunctionExpression: enterFunction, + "FunctionExpression:exit": exitFunction, + YieldExpression: () => loopsInCurrentScope.clear(), + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-constructor-return.js b/module/node_modules/eslint/lib/rules/no-constructor-return.js new file mode 100644 index 000000000..ed9e03db4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-constructor-return.js @@ -0,0 +1,62 @@ +/** + * @fileoverview Rule to disallow returning value from constructor. + * @author Pig Fang + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow returning value from constructor", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-constructor-return", + }, + + schema: [], + + fixable: null, + + messages: { + unexpected: "Unexpected return statement in constructor.", + }, + }, + + create(context) { + const stack = []; + + return { + onCodePathStart(_, node) { + stack.push(node); + }, + onCodePathEnd() { + stack.pop(); + }, + ReturnStatement(node) { + const last = stack.at(-1); + + if (!last.parent) { + return; + } + + if ( + last.parent.type === "MethodDefinition" && + last.parent.kind === "constructor" && + node.argument + ) { + context.report({ + node, + messageId: "unexpected", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-continue.js b/module/node_modules/eslint/lib/rules/no-continue.js new file mode 100644 index 000000000..6671c619b --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-continue.js @@ -0,0 +1,38 @@ +/** + * @fileoverview Rule to flag use of continue statement + * @author Borislav Zhivkov + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow `continue` statements", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-continue", + }, + + schema: [], + + messages: { + unexpected: "Unexpected use of continue statement.", + }, + }, + + create(context) { + return { + ContinueStatement(node) { + context.report({ node, messageId: "unexpected" }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-control-regex.js b/module/node_modules/eslint/lib/rules/no-control-regex.js new file mode 100644 index 000000000..a0221b4b4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-control-regex.js @@ -0,0 +1,142 @@ +/** + * @fileoverview Rule to forbid control characters from regular expressions. + * @author Nicholas C. Zakas + */ + +"use strict"; + +const RegExpValidator = require("@eslint-community/regexpp").RegExpValidator; +const collector = new (class { + constructor() { + this._source = ""; + this._controlChars = []; + this._validator = new RegExpValidator(this); + } + + onPatternEnter() { + /* + * `RegExpValidator` may parse the pattern twice in one `validatePattern`. + * So `this._controlChars` should be cleared here as well. + * + * For example, the `/(?\x1f)/` regex will parse the pattern twice. + * This is based on the content described in Annex B. + * If the regex contains a `GroupName` and the `u` flag is not used, `ParseText` will be called twice. + * See https://tc39.es/ecma262/2023/multipage/additional-ecmascript-features-for-web-browsers.html#sec-parsepattern-annexb + */ + this._controlChars = []; + } + + onCharacter(start, end, cp) { + if ( + cp >= 0x00 && + cp <= 0x1f && + (this._source.codePointAt(start) === cp || + this._source.slice(start, end).startsWith("\\x") || + this._source.slice(start, end).startsWith("\\u")) + ) { + this._controlChars.push(`\\x${`0${cp.toString(16)}`.slice(-2)}`); + } + } + + collectControlChars(regexpStr, flags) { + const uFlag = typeof flags === "string" && flags.includes("u"); + const vFlag = typeof flags === "string" && flags.includes("v"); + + this._controlChars = []; + this._source = regexpStr; + + try { + this._validator.validatePattern(regexpStr, void 0, void 0, { + unicode: uFlag, + unicodeSets: vFlag, + }); // Call onCharacter hook + } catch { + // Ignore syntax errors in RegExp. + } + return this._controlChars; + } +})(); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow control characters in regular expressions", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-control-regex", + }, + + schema: [], + + messages: { + unexpected: + "Unexpected control character(s) in regular expression: {{controlChars}}.", + }, + }, + + create(context) { + /** + * Get the regex expression + * @param {ASTNode} node `Literal` node to evaluate + * @returns {{ pattern: string, flags: string | null } | null} Regex if found (the given node is either a regex literal + * or a string literal that is the pattern argument of a RegExp constructor call). Otherwise `null`. If flags cannot be determined, + * the `flags` property will be `null`. + * @private + */ + function getRegExp(node) { + if (node.regex) { + return node.regex; + } + if ( + typeof node.value === "string" && + (node.parent.type === "NewExpression" || + node.parent.type === "CallExpression") && + node.parent.callee.type === "Identifier" && + node.parent.callee.name === "RegExp" && + node.parent.arguments[0] === node + ) { + const pattern = node.value; + const flags = + node.parent.arguments.length > 1 && + node.parent.arguments[1].type === "Literal" && + typeof node.parent.arguments[1].value === "string" + ? node.parent.arguments[1].value + : null; + + return { pattern, flags }; + } + + return null; + } + + return { + Literal(node) { + const regExp = getRegExp(node); + + if (regExp) { + const { pattern, flags } = regExp; + const controlCharacters = collector.collectControlChars( + pattern, + flags, + ); + + if (controlCharacters.length > 0) { + context.report({ + node, + messageId: "unexpected", + data: { + controlChars: controlCharacters.join(", "), + }, + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-debugger.js b/module/node_modules/eslint/lib/rules/no-debugger.js new file mode 100644 index 000000000..66bc1be1e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-debugger.js @@ -0,0 +1,41 @@ +/** + * @fileoverview Rule to flag use of a debugger statement + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow the use of `debugger`", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-debugger", + }, + + fixable: null, + schema: [], + + messages: { + unexpected: "Unexpected 'debugger' statement.", + }, + }, + + create(context) { + return { + DebuggerStatement(node) { + context.report({ + node, + messageId: "unexpected", + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-delete-var.js b/module/node_modules/eslint/lib/rules/no-delete-var.js new file mode 100644 index 000000000..7dfe002af --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-delete-var.js @@ -0,0 +1,42 @@ +/** + * @fileoverview Rule to flag when deleting variables + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow deleting variables", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-delete-var", + }, + + schema: [], + + messages: { + unexpected: "Variables should not be deleted.", + }, + }, + + create(context) { + return { + UnaryExpression(node) { + if ( + node.operator === "delete" && + node.argument.type === "Identifier" + ) { + context.report({ node, messageId: "unexpected" }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-div-regex.js b/module/node_modules/eslint/lib/rules/no-div-regex.js new file mode 100644 index 000000000..69845bbda --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-div-regex.js @@ -0,0 +1,60 @@ +/** + * @fileoverview Rule to check for ambiguous div operator in regexes + * @author Matt DuVall + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow equal signs explicitly at the beginning of regular expressions", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-div-regex", + }, + + fixable: "code", + + schema: [], + + messages: { + unexpected: + "A regular expression literal can be confused with '/='.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + Literal(node) { + const token = sourceCode.getFirstToken(node); + + if ( + token.type === "RegularExpression" && + token.value[1] === "=" + ) { + context.report({ + node, + messageId: "unexpected", + fix(fixer) { + return fixer.replaceTextRange( + [token.range[0] + 1, token.range[0] + 2], + "[=]", + ); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-dupe-args.js b/module/node_modules/eslint/lib/rules/no-dupe-args.js new file mode 100644 index 000000000..788b98d8f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-dupe-args.js @@ -0,0 +1,92 @@ +/** + * @fileoverview Rule to flag duplicate arguments + * @author Jamund Ferguson + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow duplicate arguments in `function` definitions", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-dupe-args", + }, + + schema: [], + + messages: { + unexpected: "Duplicate param '{{name}}'.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Checks whether or not a given definition is a parameter's. + * @param {eslint-scope.DefEntry} def A definition to check. + * @returns {boolean} `true` if the definition is a parameter's. + */ + function isParameter(def) { + return def.type === "Parameter"; + } + + /** + * Determines if a given node has duplicate parameters. + * @param {ASTNode} node The node to check. + * @returns {void} + * @private + */ + function checkParams(node) { + const variables = sourceCode.getDeclaredVariables(node); + + for (let i = 0; i < variables.length; ++i) { + const variable = variables[i]; + + // Checks and reports duplications. + const defs = variable.defs.filter(isParameter); + const loc = { + start: astUtils.getOpeningParenOfParams(node, sourceCode) + .loc.start, + end: sourceCode.getTokenBefore(node.body).loc.end, + }; + + if (defs.length >= 2) { + context.report({ + loc, + messageId: "unexpected", + data: { name: variable.name }, + }); + } + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + FunctionDeclaration: checkParams, + FunctionExpression: checkParams, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-dupe-class-members.js b/module/node_modules/eslint/lib/rules/no-dupe-class-members.js new file mode 100644 index 000000000..3b9292b78 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-dupe-class-members.js @@ -0,0 +1,117 @@ +/** + * @fileoverview A rule to disallow duplicate name in class members. + * @author Toru Nagashima + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + dialects: ["javascript", "typescript"], + language: "javascript", + + docs: { + description: "Disallow duplicate class members", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-dupe-class-members", + }, + + schema: [], + + messages: { + unexpected: "Duplicate name '{{name}}'.", + }, + }, + + create(context) { + let stack = []; + + /** + * Gets state of a given member name. + * @param {string} name A name of a member. + * @param {boolean} isStatic A flag which specifies that is a static member. + * @returns {Object} A state of a given member name. + * - retv.init {boolean} A flag which shows the name is declared as normal member. + * - retv.get {boolean} A flag which shows the name is declared as getter. + * - retv.set {boolean} A flag which shows the name is declared as setter. + */ + function getState(name, isStatic) { + const stateMap = stack.at(-1); + const key = `$${name}`; // to avoid "__proto__". + + if (!stateMap[key]) { + stateMap[key] = { + nonStatic: { init: false, get: false, set: false }, + static: { init: false, get: false, set: false }, + }; + } + + return stateMap[key][isStatic ? "static" : "nonStatic"]; + } + + return { + // Initializes the stack of state of member declarations. + Program() { + stack = []; + }, + + // Initializes state of member declarations for the class. + ClassBody() { + stack.push(Object.create(null)); + }, + + // Disposes the state for the class. + "ClassBody:exit"() { + stack.pop(); + }, + + // Reports the node if its name has been declared already. + "MethodDefinition, PropertyDefinition"(node) { + if ( + node.value && + node.value.type === "TSEmptyBodyFunctionExpression" + ) { + return; + } + + const name = astUtils.getStaticPropertyName(node); + const kind = + node.type === "MethodDefinition" ? node.kind : "field"; + + if (name === null || kind === "constructor") { + return; + } + + const state = getState(name, node.static); + let isDuplicate; + + if (kind === "get") { + isDuplicate = state.init || state.get; + state.get = true; + } else if (kind === "set") { + isDuplicate = state.init || state.set; + state.set = true; + } else { + isDuplicate = state.init || state.get || state.set; + state.init = true; + } + + if (isDuplicate) { + context.report({ + loc: node.key.loc, + messageId: "unexpected", + data: { name }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-dupe-else-if.js b/module/node_modules/eslint/lib/rules/no-dupe-else-if.js new file mode 100644 index 000000000..7c4195819 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-dupe-else-if.js @@ -0,0 +1,145 @@ +/** + * @fileoverview Rule to disallow duplicate conditions in if-else-if chains + * @author Milos Djermanovic + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines whether the first given array is a subset of the second given array. + * @param {Function} comparator A function to compare two elements, should return `true` if they are equal. + * @param {Array} arrA The array to compare from. + * @param {Array} arrB The array to compare against. + * @returns {boolean} `true` if the array `arrA` is a subset of the array `arrB`. + */ +function isSubsetByComparator(comparator, arrA, arrB) { + return arrA.every(a => arrB.some(b => comparator(a, b))); +} + +/** + * Splits the given node by the given logical operator. + * @param {string} operator Logical operator `||` or `&&`. + * @param {ASTNode} node The node to split. + * @returns {ASTNode[]} Array of conditions that makes the node when joined by the operator. + */ +function splitByLogicalOperator(operator, node) { + if (node.type === "LogicalExpression" && node.operator === operator) { + return [ + ...splitByLogicalOperator(operator, node.left), + ...splitByLogicalOperator(operator, node.right), + ]; + } + return [node]; +} + +const splitByOr = splitByLogicalOperator.bind(null, "||"); +const splitByAnd = splitByLogicalOperator.bind(null, "&&"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow duplicate conditions in if-else-if chains", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-dupe-else-if", + }, + + schema: [], + + messages: { + unexpected: + "This branch can never execute. Its condition is a duplicate or covered by previous conditions in the if-else-if chain.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Determines whether the two given nodes are considered to be equal. In particular, given that the nodes + * represent expressions in a boolean context, `||` and `&&` can be considered as commutative operators. + * @param {ASTNode} a First node. + * @param {ASTNode} b Second node. + * @returns {boolean} `true` if the nodes are considered to be equal. + */ + function equal(a, b) { + if (a.type !== b.type) { + return false; + } + + if ( + a.type === "LogicalExpression" && + (a.operator === "||" || a.operator === "&&") && + a.operator === b.operator + ) { + return ( + (equal(a.left, b.left) && equal(a.right, b.right)) || + (equal(a.left, b.right) && equal(a.right, b.left)) + ); + } + + return astUtils.equalTokens(a, b, sourceCode); + } + + const isSubset = isSubsetByComparator.bind(null, equal); + + return { + IfStatement(node) { + const test = node.test, + conditionsToCheck = + test.type === "LogicalExpression" && + test.operator === "&&" + ? [test, ...splitByAnd(test)] + : [test]; + let current = node, + listToCheck = conditionsToCheck.map(c => + splitByOr(c).map(splitByAnd), + ); + + while ( + current.parent && + current.parent.type === "IfStatement" && + current.parent.alternate === current + ) { + current = current.parent; + + const currentOrOperands = splitByOr(current.test).map( + splitByAnd, + ); + + listToCheck = listToCheck.map(orOperands => + orOperands.filter( + orOperand => + !currentOrOperands.some(currentOrOperand => + isSubset(currentOrOperand, orOperand), + ), + ), + ); + + if ( + listToCheck.some(orOperands => orOperands.length === 0) + ) { + context.report({ node: test, messageId: "unexpected" }); + break; + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-dupe-keys.js b/module/node_modules/eslint/lib/rules/no-dupe-keys.js new file mode 100644 index 000000000..a17cb343d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-dupe-keys.js @@ -0,0 +1,165 @@ +/** + * @fileoverview Rule to flag use of duplicate keys in an object. + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const GET_KIND = /^(?:init|get)$/u; +const SET_KIND = /^(?:init|set)$/u; + +/** + * The class which stores properties' information of an object. + */ +class ObjectInfo { + /** + * @param {ObjectInfo|null} upper The information of the outer object. + * @param {ASTNode} node The ObjectExpression node of this information. + */ + constructor(upper, node) { + this.upper = upper; + this.node = node; + this.properties = new Map(); + } + + /** + * Gets the information of the given Property node. + * @param {ASTNode} node The Property node to get. + * @returns {{get: boolean, set: boolean}} The information of the property. + */ + getPropertyInfo(node) { + const name = astUtils.getStaticPropertyName(node); + + if (!this.properties.has(name)) { + this.properties.set(name, { get: false, set: false }); + } + return this.properties.get(name); + } + + /** + * Checks whether the given property has been defined already or not. + * @param {ASTNode} node The Property node to check. + * @returns {boolean} `true` if the property has been defined. + */ + isPropertyDefined(node) { + const entry = this.getPropertyInfo(node); + + return ( + (GET_KIND.test(node.kind) && entry.get) || + (SET_KIND.test(node.kind) && entry.set) + ); + } + + /** + * Defines the given property. + * @param {ASTNode} node The Property node to define. + * @returns {void} + */ + defineProperty(node) { + const entry = this.getPropertyInfo(node); + + if (GET_KIND.test(node.kind)) { + entry.get = true; + } + if (SET_KIND.test(node.kind)) { + entry.set = true; + } + } +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow duplicate keys in object literals", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-dupe-keys", + }, + + schema: [], + + messages: { + unexpected: "Duplicate key '{{name}}'.", + }, + }, + + create(context) { + let info = null; + + return { + ObjectExpression(node) { + info = new ObjectInfo(info, node); + }, + "ObjectExpression:exit"() { + info = info.upper; + }, + + Property(node) { + const name = astUtils.getStaticPropertyName(node); + + // Skip destructuring. + if (node.parent.type !== "ObjectExpression") { + return; + } + + // Skip if the name is not static. + if (name === null) { + return; + } + + /* + * Skip if the property node is a proto setter. + * Proto setter is a special syntax that sets + * object's prototype instead of creating a property. + * It can be in one of the following forms: + * + * __proto__: + * '__proto__': + * "__proto__": + * + * Duplicate proto setters produce parsing errors, + * so we can just skip them to not interfere with + * regular properties named "__proto__". + */ + if ( + name === "__proto__" && + node.kind === "init" && + !node.computed && + !node.shorthand && + !node.method + ) { + return; + } + + // Reports if the name is defined already. + if (info.isPropertyDefined(node)) { + context.report({ + node: info.node, + loc: node.key.loc, + messageId: "unexpected", + data: { name }, + }); + } + + // Update info. + info.defineProperty(node); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-duplicate-case.js b/module/node_modules/eslint/lib/rules/no-duplicate-case.js new file mode 100644 index 000000000..161b1a0bd --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-duplicate-case.js @@ -0,0 +1,78 @@ +/** + * @fileoverview Rule to disallow a duplicate case label. + * @author Dieter Oberkofler + * @author Burak Yigit Kaya + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow duplicate case labels", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-duplicate-case", + }, + + schema: [], + + messages: { + unexpected: "Duplicate case label.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Determines whether the two given nodes are considered to be equal. + * @param {ASTNode} a First node. + * @param {ASTNode} b Second node. + * @returns {boolean} `true` if the nodes are considered to be equal. + */ + function equal(a, b) { + if (a.type !== b.type) { + return false; + } + + return astUtils.equalTokens(a, b, sourceCode); + } + return { + SwitchStatement(node) { + const previousTests = []; + + for (const switchCase of node.cases) { + if (switchCase.test) { + const test = switchCase.test; + + if ( + previousTests.some(previousTest => + equal(previousTest, test), + ) + ) { + context.report({ + node: switchCase, + messageId: "unexpected", + }); + } else { + previousTests.push(test); + } + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-duplicate-imports.js b/module/node_modules/eslint/lib/rules/no-duplicate-imports.js new file mode 100644 index 000000000..762703327 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-duplicate-imports.js @@ -0,0 +1,368 @@ +/** + * @fileoverview Restrict usage of duplicate imports. + * @author Simen Bekkhus + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const NAMED_TYPES = ["ImportSpecifier", "ExportSpecifier"]; +const NAMESPACE_TYPES = [ + "ImportNamespaceSpecifier", + "ExportNamespaceSpecifier", +]; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** + * Check if an import/export type belongs to (ImportSpecifier|ExportSpecifier) or (ImportNamespaceSpecifier|ExportNamespaceSpecifier). + * @param {string} importExportType An import/export type to check. + * @param {string} type Can be "named" or "namespace" + * @returns {boolean} True if import/export type belongs to (ImportSpecifier|ExportSpecifier) or (ImportNamespaceSpecifier|ExportNamespaceSpecifier) and false if it doesn't. + */ +function isImportExportSpecifier(importExportType, type) { + const arrayToCheck = type === "named" ? NAMED_TYPES : NAMESPACE_TYPES; + + return arrayToCheck.includes(importExportType); +} + +/** + * Return the type of (import|export). + * @param {ASTNode} node A node to get. + * @returns {string} The type of the (import|export). + */ +function getImportExportType(node) { + if (node.specifiers && node.specifiers.length > 0) { + const nodeSpecifiers = node.specifiers; + const index = nodeSpecifiers.findIndex( + ({ type }) => + isImportExportSpecifier(type, "named") || + isImportExportSpecifier(type, "namespace"), + ); + const i = index > -1 ? index : 0; + + return nodeSpecifiers[i].type; + } + if (node.type === "ExportAllDeclaration") { + if (node.exported) { + return "ExportNamespaceSpecifier"; + } + return "ExportAll"; + } + return "SideEffectImport"; +} + +/** + * Returns a boolean indicates if two (import|export) can be merged + * @param {ASTNode} node1 A node to check. + * @param {ASTNode} node2 A node to check. + * @returns {boolean} True if two (import|export) can be merged, false if they can't. + */ +function isImportExportCanBeMerged(node1, node2) { + const importExportType1 = getImportExportType(node1); + const importExportType2 = getImportExportType(node2); + + if ( + (node1.importKind === "type" || node1.exportKind === "type") && + (node2.importKind === "type" || node2.exportKind === "type") + ) { + const isDefault1 = importExportType1 === "ImportDefaultSpecifier"; + const isDefault2 = importExportType2 === "ImportDefaultSpecifier"; + const isNamed1 = isImportExportSpecifier(importExportType1, "named"); + const isNamed2 = isImportExportSpecifier(importExportType2, "named"); + + if ((isDefault1 && isNamed2) || (isDefault2 && isNamed1)) { + return false; + } + } + + if ( + (importExportType1 === "ExportAll" && + importExportType2 !== "ExportAll" && + importExportType2 !== "SideEffectImport") || + (importExportType1 !== "ExportAll" && + importExportType1 !== "SideEffectImport" && + importExportType2 === "ExportAll") + ) { + return false; + } + if ( + (isImportExportSpecifier(importExportType1, "namespace") && + isImportExportSpecifier(importExportType2, "named")) || + (isImportExportSpecifier(importExportType2, "namespace") && + isImportExportSpecifier(importExportType1, "named")) + ) { + return false; + } + return true; +} + +/** + * Returns a boolean if we should report (import|export). + * @param {ASTNode} node A node to be reported or not. + * @param {[ASTNode]} previousNodes An array contains previous nodes of the module imported or exported. + * @param {boolean} allowSeparateTypeImports Whether to allow separate type and value imports. + * @returns {boolean} True if the (import|export) should be reported. + */ +function shouldReportImportExport( + node, + previousNodes, + allowSeparateTypeImports, +) { + let i = 0; + + while (i < previousNodes.length) { + const previousNode = previousNodes[i]; + + if (allowSeparateTypeImports) { + const isTypeNode = + node.importKind === "type" || node.exportKind === "type"; + const isTypePrevious = + previousNode.importKind === "type" || + previousNode.exportKind === "type"; + + if (isTypeNode !== isTypePrevious) { + i++; + continue; + } + } + + if (isImportExportCanBeMerged(node, previousNode)) { + return true; + } + i++; + } + return false; +} + +/** + * Returns array contains only nodes with declarations types equal to type. + * @param {[{node: ASTNode, declarationType: string}]} nodes An array contains objects, each object contains a node and a declaration type. + * @param {string} type Declaration type. + * @returns {[ASTNode]} An array contains only nodes with declarations types equal to type. + */ +function getNodesByDeclarationType(nodes, type) { + return nodes + .filter(({ declarationType }) => declarationType === type) + .map(({ node }) => node); +} + +/** + * Returns the name of the module imported or re-exported. + * @param {ASTNode} node A node to get. + * @returns {string} The name of the module, or empty string if no name. + */ +function getModule(node) { + if (node && node.source && node.source.value) { + return node.source.value.trim(); + } + return ""; +} + +/** + * Checks if the (import|export) can be merged with at least one import or one export, and reports if so. + * @param {RuleContext} context The ESLint rule context object. + * @param {ASTNode} node A node to get. + * @param {Map} modules A Map object contains as a key a module name and as value an array contains objects, each object contains a node and a declaration type. + * @param {string} declarationType A declaration type can be an import or export. + * @param {boolean} includeExports Whether or not to check for exports in addition to imports. + * @param {boolean} allowSeparateTypeImports Whether to allow separate type and value imports. + * @returns {void} No return value. + */ +function checkAndReport( + context, + node, + modules, + declarationType, + includeExports, + allowSeparateTypeImports, +) { + const module = getModule(node); + + if (modules.has(module)) { + const previousNodes = modules.get(module); + const messagesIds = []; + const importNodes = getNodesByDeclarationType(previousNodes, "import"); + let exportNodes; + + if (includeExports) { + exportNodes = getNodesByDeclarationType(previousNodes, "export"); + } + if (declarationType === "import") { + if ( + shouldReportImportExport( + node, + importNodes, + allowSeparateTypeImports, + ) + ) { + messagesIds.push("import"); + } + if (includeExports) { + if ( + shouldReportImportExport( + node, + exportNodes, + allowSeparateTypeImports, + ) + ) { + messagesIds.push("importAs"); + } + } + } else if (declarationType === "export") { + if ( + shouldReportImportExport( + node, + exportNodes, + allowSeparateTypeImports, + ) + ) { + messagesIds.push("export"); + } + if ( + shouldReportImportExport( + node, + importNodes, + allowSeparateTypeImports, + ) + ) { + messagesIds.push("exportAs"); + } + } + messagesIds.forEach(messageId => + context.report({ + node, + messageId, + data: { + module, + }, + }), + ); + } +} + +/** + * @callback nodeCallback + * @param {ASTNode} node A node to handle. + */ + +/** + * Returns a function handling the (imports|exports) of a given file + * @param {RuleContext} context The ESLint rule context object. + * @param {Map} modules A Map object contains as a key a module name and as value an array contains objects, each object contains a node and a declaration type. + * @param {string} declarationType A declaration type can be an import or export. + * @param {boolean} includeExports Whether or not to check for exports in addition to imports. + * @param {boolean} allowSeparateTypeImports Whether to allow separate type and value imports. + * @returns {nodeCallback} A function passed to ESLint to handle the statement. + */ +function handleImportsExports( + context, + modules, + declarationType, + includeExports, + allowSeparateTypeImports, +) { + return function (node) { + const module = getModule(node); + + if (module) { + checkAndReport( + context, + node, + modules, + declarationType, + includeExports, + allowSeparateTypeImports, + ); + const currentNode = { node, declarationType }; + let nodes = [currentNode]; + + if (modules.has(module)) { + const previousNodes = modules.get(module); + + nodes = [...previousNodes, currentNode]; + } + modules.set(module, nodes); + } + }; +} + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + dialects: ["javascript", "typescript"], + language: "javascript", + type: "problem", + + defaultOptions: [ + { + includeExports: false, + allowSeparateTypeImports: false, + }, + ], + + docs: { + description: "Disallow duplicate module imports", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-duplicate-imports", + }, + + schema: [ + { + type: "object", + properties: { + includeExports: { + type: "boolean", + }, + allowSeparateTypeImports: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + import: "'{{module}}' import is duplicated.", + importAs: "'{{module}}' import is duplicated as export.", + export: "'{{module}}' export is duplicated.", + exportAs: "'{{module}}' export is duplicated as import.", + }, + }, + + create(context) { + const [{ includeExports, allowSeparateTypeImports }] = context.options; + const modules = new Map(); + const handlers = { + ImportDeclaration: handleImportsExports( + context, + modules, + "import", + includeExports, + allowSeparateTypeImports, + ), + }; + + if (includeExports) { + handlers.ExportNamedDeclaration = handleImportsExports( + context, + modules, + "export", + includeExports, + allowSeparateTypeImports, + ); + handlers.ExportAllDeclaration = handleImportsExports( + context, + modules, + "export", + includeExports, + allowSeparateTypeImports, + ); + } + return handlers; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-else-return.js b/module/node_modules/eslint/lib/rules/no-else-return.js new file mode 100644 index 000000000..40e11dbd2 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-else-return.js @@ -0,0 +1,450 @@ +/** + * @fileoverview Rule to flag `else` after a `return` in `if` + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const FixTracker = require("./utils/fix-tracker"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [{ allowElseIf: true }], + + docs: { + description: + "Disallow `else` blocks after `return` statements in `if` statements", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-else-return", + }, + + schema: [ + { + type: "object", + properties: { + allowElseIf: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + fixable: "code", + + messages: { + unexpected: "Unnecessary 'else' after 'return'.", + }, + }, + + create(context) { + const [{ allowElseIf }] = context.options; + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Checks whether the given names can be safely used to declare block-scoped variables + * in the given scope. Name collisions can produce redeclaration syntax errors, + * or silently change references and modify behavior of the original code. + * + * This is not a generic function. In particular, it is assumed that the scope is a function scope or + * a function's inner scope, and that the names can be valid identifiers in the given scope. + * @param {string[]} names Array of variable names. + * @param {eslint-scope.Scope} scope Function scope or a function's inner scope. + * @returns {boolean} True if all names can be safely declared, false otherwise. + */ + function isSafeToDeclare(names, scope) { + if (names.length === 0) { + return true; + } + + const functionScope = scope.variableScope; + + /* + * If this is a function scope, scope.variables will contain parameters, implicit variables such as "arguments", + * all function-scoped variables ('var'), and block-scoped variables defined in the scope. + * If this is an inner scope, scope.variables will contain block-scoped variables defined in the scope. + * + * Redeclaring any of these would cause a syntax error, except for the implicit variables. + */ + const declaredVariables = scope.variables.filter( + ({ defs }) => defs.length > 0, + ); + + if (declaredVariables.some(({ name }) => names.includes(name))) { + return false; + } + + // Redeclaring a catch variable would also cause a syntax error. + if (scope !== functionScope && scope.upper.type === "catch") { + if ( + scope.upper.variables.some(({ name }) => + names.includes(name), + ) + ) { + return false; + } + } + + /* + * Redeclaring an implicit variable, such as "arguments", would not cause a syntax error. + * However, if the variable was used, declaring a new one with the same name would change references + * and modify behavior. + */ + const usedImplicitVariables = scope.variables.filter( + ({ defs, references }) => + defs.length === 0 && references.length > 0, + ); + + if ( + usedImplicitVariables.some(({ name }) => names.includes(name)) + ) { + return false; + } + + /* + * Declaring a variable with a name that was already used to reference a variable from an upper scope + * would change references and modify behavior. + */ + if (scope.through.some(t => names.includes(t.identifier.name))) { + return false; + } + + /* + * If the scope is an inner scope (not the function scope), an uninitialized `var` variable declared inside + * the scope node (directly or in one of its descendants) is neither declared nor 'through' in the scope. + * + * For example, this would be a syntax error "Identifier 'a' has already been declared": + * function foo() { if (bar) { let a; if (baz) { var a; } } } + */ + if (scope !== functionScope) { + const scopeNodeRange = scope.block.range; + const variablesToCheck = functionScope.variables.filter( + ({ name }) => names.includes(name), + ); + + if ( + variablesToCheck.some(v => + v.defs.some( + ({ node: { range } }) => + scopeNodeRange[0] <= range[0] && + range[1] <= scopeNodeRange[1], + ), + ) + ) { + return false; + } + } + + return true; + } + + /** + * Checks whether the removal of `else` and its braces is safe from variable name collisions. + * @param {Node} node The 'else' node. + * @param {eslint-scope.Scope} scope The scope in which the node and the whole 'if' statement is. + * @returns {boolean} True if it is safe, false otherwise. + */ + function isSafeFromNameCollisions(node, scope) { + if (node.type === "FunctionDeclaration") { + // Conditional function declaration. Scope and hoisting are unpredictable, different engines work differently. + return false; + } + + if (node.type !== "BlockStatement") { + return true; + } + + const elseBlockScope = scope.childScopes.find( + ({ block }) => block === node, + ); + + if (!elseBlockScope) { + // ecmaVersion < 6, `else` block statement cannot have its own scope, no possible collisions. + return true; + } + + /* + * elseBlockScope is supposed to merge into its upper scope. elseBlockScope.variables array contains + * only block-scoped variables (such as let and const variables or class and function declarations) + * defined directly in the elseBlockScope. These are exactly the only names that could cause collisions. + */ + const namesToCheck = elseBlockScope.variables.map( + ({ name }) => name, + ); + + return isSafeToDeclare(namesToCheck, scope); + } + + /** + * Display the context report if rule is violated + * @param {Node} elseNode The 'else' node + * @returns {void} + */ + function displayReport(elseNode) { + const currentScope = sourceCode.getScope(elseNode.parent); + + context.report({ + node: elseNode, + messageId: "unexpected", + fix(fixer) { + if (!isSafeFromNameCollisions(elseNode, currentScope)) { + return null; + } + + const startToken = sourceCode.getFirstToken(elseNode); + const elseToken = sourceCode.getTokenBefore(startToken); + const source = sourceCode.getText(elseNode); + const lastIfToken = sourceCode.getTokenBefore(elseToken); + let fixedSource, firstTokenOfElseBlock; + + if ( + startToken.type === "Punctuator" && + startToken.value === "{" + ) { + firstTokenOfElseBlock = + sourceCode.getTokenAfter(startToken); + } else { + firstTokenOfElseBlock = startToken; + } + + /* + * If the if block does not have curly braces and does not end in a semicolon + * and the else block starts with (, [, /, +, ` or -, then it is not + * safe to remove the else keyword, because ASI will not add a semicolon + * after the if block + */ + const ifBlockMaybeUnsafe = + elseNode.parent.consequent.type !== "BlockStatement" && + lastIfToken.value !== ";"; + const elseBlockUnsafe = /^[([/+`-]/u.test( + firstTokenOfElseBlock.value, + ); + + if (ifBlockMaybeUnsafe && elseBlockUnsafe) { + return null; + } + + const endToken = sourceCode.getLastToken(elseNode); + const lastTokenOfElseBlock = + sourceCode.getTokenBefore(endToken); + + if (lastTokenOfElseBlock.value !== ";") { + const nextToken = sourceCode.getTokenAfter(endToken); + + const nextTokenUnsafe = + nextToken && /^[([/+`-]/u.test(nextToken.value); + const nextTokenOnSameLine = + nextToken && + nextToken.loc.start.line === + lastTokenOfElseBlock.loc.start.line; + + /* + * If the else block contents does not end in a semicolon, + * and the else block starts with (, [, /, +, ` or -, then it is not + * safe to remove the else block, because ASI will not add a semicolon + * after the remaining else block contents + */ + if ( + nextTokenUnsafe || + (nextTokenOnSameLine && nextToken.value !== "}") + ) { + return null; + } + } + + if ( + startToken.type === "Punctuator" && + startToken.value === "{" + ) { + fixedSource = source.slice(1, -1); + } else { + fixedSource = source; + } + + /* + * Extend the replacement range to include the entire + * function to avoid conflicting with no-useless-return. + * https://github.com/eslint/eslint/issues/8026 + * + * Also, to avoid name collisions between two else blocks. + */ + return new FixTracker(fixer, sourceCode) + .retainEnclosingFunction(elseNode) + .replaceTextRange( + [elseToken.range[0], elseNode.range[1]], + fixedSource, + ); + }, + }); + } + + /** + * Check to see if the node is a ReturnStatement + * @param {Node} node The node being evaluated + * @returns {boolean} True if node is a return + */ + function checkForReturn(node) { + return node.type === "ReturnStatement"; + } + + /** + * Naive return checking, does not iterate through the whole + * BlockStatement because we make the assumption that the ReturnStatement + * will be the last node in the body of the BlockStatement. + * @param {Node} node The consequent/alternate node + * @returns {boolean} True if it has a return + */ + function naiveHasReturn(node) { + if (node.type === "BlockStatement") { + const body = node.body, + lastChildNode = body.at(-1); + + return lastChildNode && checkForReturn(lastChildNode); + } + return checkForReturn(node); + } + + /** + * Check to see if the node is valid for evaluation, + * meaning it has an else. + * @param {Node} node The node being evaluated + * @returns {boolean} True if the node is valid + */ + function hasElse(node) { + return node.alternate && node.consequent; + } + + /** + * If the consequent is an IfStatement, check to see if it has an else + * and both its consequent and alternate path return, meaning this is + * a nested case of rule violation. If-Else not considered currently. + * @param {Node} node The consequent node + * @returns {boolean} True if this is a nested rule violation + */ + function checkForIf(node) { + return ( + node.type === "IfStatement" && + hasElse(node) && + naiveHasReturn(node.alternate) && + naiveHasReturn(node.consequent) + ); + } + + /** + * Check the consequent/body node to make sure it is not + * a ReturnStatement or an IfStatement that returns on both + * code paths. + * @param {Node} node The consequent or body node + * @returns {boolean} `true` if it is a Return/If node that always returns. + */ + function checkForReturnOrIf(node) { + return checkForReturn(node) || checkForIf(node); + } + + /** + * Check whether a node returns in every codepath. + * @param {Node} node The node to be checked + * @returns {boolean} `true` if it returns on every codepath. + */ + function alwaysReturns(node) { + if (node.type === "BlockStatement") { + // If we have a BlockStatement, check each consequent body node. + return node.body.some(checkForReturnOrIf); + } + + /* + * If not a block statement, make sure the consequent isn't a + * ReturnStatement or an IfStatement with returns on both paths. + */ + return checkForReturnOrIf(node); + } + + /** + * Check the if statement, but don't catch else-if blocks. + * @returns {void} + * @param {Node} node The node for the if statement to check + * @private + */ + function checkIfWithoutElse(node) { + const parent = node.parent; + + /* + * Fixing this would require splitting one statement into two, so no error should + * be reported if this node is in a position where only one statement is allowed. + */ + if (!astUtils.STATEMENT_LIST_PARENTS.has(parent.type)) { + return; + } + + const consequents = []; + let alternate; + + for ( + let currentNode = node; + currentNode.type === "IfStatement"; + currentNode = currentNode.alternate + ) { + if (!currentNode.alternate) { + return; + } + consequents.push(currentNode.consequent); + alternate = currentNode.alternate; + } + + if (consequents.every(alwaysReturns)) { + displayReport(alternate); + } + } + + /** + * Check the if statement + * @returns {void} + * @param {Node} node The node for the if statement to check + * @private + */ + function checkIfWithElse(node) { + const parent = node.parent; + + /* + * Fixing this would require splitting one statement into two, so no error should + * be reported if this node is in a position where only one statement is allowed. + */ + if (!astUtils.STATEMENT_LIST_PARENTS.has(parent.type)) { + return; + } + + const alternate = node.alternate; + + if (alternate && alwaysReturns(node.consequent)) { + displayReport(alternate); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "IfStatement:exit": allowElseIf + ? checkIfWithoutElse + : checkIfWithElse, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-empty-character-class.js b/module/node_modules/eslint/lib/rules/no-empty-character-class.js new file mode 100644 index 000000000..eccee1d1a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-empty-character-class.js @@ -0,0 +1,83 @@ +/** + * @fileoverview Rule to flag the use of empty character classes in regular expressions + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { RegExpParser, visitRegExpAST } = require("@eslint-community/regexpp"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const parser = new RegExpParser(); +const QUICK_TEST_REGEX = /\[\]/u; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow empty character classes in regular expressions", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-empty-character-class", + }, + + schema: [], + + messages: { + unexpected: "Empty class.", + }, + }, + + create(context) { + return { + "Literal[regex]"(node) { + const { pattern, flags } = node.regex; + + if (!QUICK_TEST_REGEX.test(pattern)) { + return; + } + + let regExpAST; + + try { + regExpAST = parser.parsePattern( + pattern, + 0, + pattern.length, + { + unicode: flags.includes("u"), + unicodeSets: flags.includes("v"), + }, + ); + } catch { + // Ignore regular expressions that regexpp cannot parse + return; + } + + visitRegExpAST(regExpAST, { + onCharacterClassEnter(characterClass) { + if ( + !characterClass.negate && + characterClass.elements.length === 0 + ) { + context.report({ node, messageId: "unexpected" }); + } + }, + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-empty-function.js b/module/node_modules/eslint/lib/rules/no-empty-function.js new file mode 100644 index 000000000..57bd77890 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-empty-function.js @@ -0,0 +1,236 @@ +/** + * @fileoverview Rule to disallow empty functions. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const ALLOW_OPTIONS = Object.freeze([ + "functions", + "arrowFunctions", + "generatorFunctions", + "methods", + "generatorMethods", + "getters", + "setters", + "constructors", + "asyncFunctions", + "asyncMethods", + "privateConstructors", + "protectedConstructors", + "decoratedFunctions", + "overrideMethods", +]); + +/** + * Gets the kind of a given function node. + * @param {ASTNode} node A function node to get. This is one of + * an ArrowFunctionExpression, a FunctionDeclaration, or a + * FunctionExpression. + * @returns {string} The kind of the function. This is one of "functions", + * "arrowFunctions", "generatorFunctions", "asyncFunctions", "methods", + * "generatorMethods", "asyncMethods", "getters", "setters", and + * "constructors". + */ +function getKind(node) { + const parent = node.parent; + let kind; + + if (node.type === "ArrowFunctionExpression") { + return "arrowFunctions"; + } + + // Detects main kind. + if (parent.type === "Property") { + if (parent.kind === "get") { + return "getters"; + } + if (parent.kind === "set") { + return "setters"; + } + kind = parent.method ? "methods" : "functions"; + } else if (parent.type === "MethodDefinition") { + if (parent.kind === "get") { + return "getters"; + } + if (parent.kind === "set") { + return "setters"; + } + if (parent.kind === "constructor") { + return "constructors"; + } + kind = "methods"; + } else { + kind = "functions"; + } + + // Detects prefix. + let prefix; + + if (node.generator) { + prefix = "generator"; + } else if (node.async) { + prefix = "async"; + } else { + return kind; + } + return prefix + kind[0].toUpperCase() + kind.slice(1); +} + +/** + * Checks if a constructor function has parameter properties. + * @param {ASTNode} node The function node to examine. + * @returns {boolean} True if the constructor has parameter properties, false otherwise. + */ +function isParameterPropertiesConstructor(node) { + return node.params.some(param => param.type === "TSParameterProperty"); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + dialects: ["javascript", "typescript"], + language: "javascript", + hasSuggestions: true, + type: "suggestion", + + defaultOptions: [{ allow: [] }], + + docs: { + description: "Disallow empty functions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-empty-function", + }, + + schema: [ + { + type: "object", + properties: { + allow: { + type: "array", + items: { enum: ALLOW_OPTIONS }, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpected: "Unexpected empty {{name}}.", + suggestComment: "Add comment inside empty {{name}}.", + }, + }, + + create(context) { + const [{ allow }] = context.options; + const sourceCode = context.sourceCode; + + /** + * Checks if the given function node is allowed to be empty. + * @param {ASTNode} node The function node to check. + * @returns {boolean} True if the function is allowed to be empty, false otherwise. + */ + function isAllowedEmptyFunction(node) { + const kind = getKind(node); + + if (allow.includes(kind)) { + return true; + } + + if (kind === "constructors") { + if ( + (node.parent.accessibility === "private" && + allow.includes("privateConstructors")) || + (node.parent.accessibility === "protected" && + allow.includes("protectedConstructors")) || + isParameterPropertiesConstructor(node) + ) { + return true; + } + } + + if (/(?:g|s)etters|methods$/iu.test(kind)) { + if ( + (node.parent.decorators?.length && + allow.includes("decoratedFunctions")) || + (node.parent.override && allow.includes("overrideMethods")) + ) { + return true; + } + } + + return false; + } + + /** + * Reports a given function node if the node matches the following patterns. + * + * - Not allowed by options. + * - The body is empty. + * - The body doesn't have any comments. + * @param {ASTNode} node A function node to report. This is one of + * an ArrowFunctionExpression, a FunctionDeclaration, or a + * FunctionExpression. + * @returns {void} + */ + function reportIfEmpty(node) { + const name = astUtils.getFunctionNameWithKind(node); + const innerComments = sourceCode.getTokens(node.body, { + includeComments: true, + filter: astUtils.isCommentToken, + }); + + if ( + !isAllowedEmptyFunction(node) && + node.body.type === "BlockStatement" && + node.body.body.length === 0 && + innerComments.length === 0 + ) { + context.report({ + node, + loc: node.body.loc, + messageId: "unexpected", + data: { name }, + suggest: [ + { + messageId: "suggestComment", + data: { name }, + fix(fixer) { + const range = [ + node.body.range[0] + 1, + node.body.range[1] - 1, + ]; + + return fixer.replaceTextRange( + range, + " /* empty */ ", + ); + }, + }, + ], + }); + } + } + + return { + ArrowFunctionExpression: reportIfEmpty, + FunctionDeclaration: reportIfEmpty, + FunctionExpression: reportIfEmpty, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-empty-pattern.js b/module/node_modules/eslint/lib/rules/no-empty-pattern.js new file mode 100644 index 000000000..da75ad954 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-empty-pattern.js @@ -0,0 +1,85 @@ +/** + * @fileoverview Rule to disallow an empty pattern + * @author Alberto Rodríguez + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + allowObjectPatternsAsParameters: false, + }, + ], + + docs: { + description: "Disallow empty destructuring patterns", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-empty-pattern", + }, + + schema: [ + { + type: "object", + properties: { + allowObjectPatternsAsParameters: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpected: "Unexpected empty {{type}} pattern.", + }, + }, + + create(context) { + const [{ allowObjectPatternsAsParameters }] = context.options; + + return { + ObjectPattern(node) { + if (node.properties.length > 0) { + return; + } + + // Allow {} and {} = {} empty object patterns as parameters when allowObjectPatternsAsParameters is true + if ( + allowObjectPatternsAsParameters && + (astUtils.isFunction(node.parent) || + (node.parent.type === "AssignmentPattern" && + astUtils.isFunction(node.parent.parent) && + node.parent.right.type === "ObjectExpression" && + node.parent.right.properties.length === 0)) + ) { + return; + } + + context.report({ + node, + messageId: "unexpected", + data: { type: "object" }, + }); + }, + ArrayPattern(node) { + if (node.elements.length === 0) { + context.report({ + node, + messageId: "unexpected", + data: { type: "array" }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-empty-static-block.js b/module/node_modules/eslint/lib/rules/no-empty-static-block.js new file mode 100644 index 000000000..488b5ed72 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-empty-static-block.js @@ -0,0 +1,73 @@ +/** + * @fileoverview Rule to disallow empty static blocks. + * @author Sosuke Suzuki + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + hasSuggestions: true, + type: "suggestion", + + docs: { + description: "Disallow empty static blocks", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-empty-static-block", + }, + + schema: [], + + messages: { + unexpected: "Unexpected empty static block.", + suggestComment: "Add comment inside empty static block.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + StaticBlock(node) { + if (node.body.length === 0) { + const openingBrace = sourceCode.getFirstToken(node, { + skip: 1, + }); + const closingBrace = sourceCode.getLastToken(node); + + if ( + sourceCode.getCommentsBefore(closingBrace).length === 0 + ) { + context.report({ + loc: { + start: openingBrace.loc.start, + end: closingBrace.loc.end, + }, + messageId: "unexpected", + suggest: [ + { + messageId: "suggestComment", + fix(fixer) { + const range = [ + openingBrace.range[1], + closingBrace.range[0], + ]; + + return fixer.replaceTextRange( + range, + " /* empty */ ", + ); + }, + }, + ], + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-empty.js b/module/node_modules/eslint/lib/rules/no-empty.js new file mode 100644 index 000000000..dd30e4197 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-empty.js @@ -0,0 +1,153 @@ +/** + * @fileoverview Rule to flag use of an empty block statement + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + hasSuggestions: true, + type: "suggestion", + + defaultOptions: [ + { + allowEmptyCatch: false, + }, + ], + + docs: { + description: "Disallow empty block statements", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-empty", + }, + + schema: [ + { + type: "object", + properties: { + allowEmptyCatch: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpected: "Empty {{type}} statement.", + suggestComment: "Add comment inside empty {{type}} statement.", + }, + }, + + create(context) { + const [{ allowEmptyCatch }] = context.options; + const sourceCode = context.sourceCode; + + return { + BlockStatement(node) { + // if the body is not empty, we can just return immediately + if (node.body.length !== 0) { + return; + } + + // a function is generally allowed to be empty + if (astUtils.isFunction(node.parent)) { + return; + } + + if (allowEmptyCatch && node.parent.type === "CatchClause") { + return; + } + + // any other block is only allowed to be empty, if it contains a comment + if (sourceCode.getCommentsInside(node).length > 0) { + return; + } + + context.report({ + node, + messageId: "unexpected", + data: { type: "block" }, + suggest: [ + { + messageId: "suggestComment", + data: { type: "block" }, + fix(fixer) { + const range = [ + node.range[0] + 1, + node.range[1] - 1, + ]; + + return fixer.replaceTextRange( + range, + " /* empty */ ", + ); + }, + }, + ], + }); + }, + + SwitchStatement(node) { + if ( + typeof node.cases === "undefined" || + node.cases.length === 0 + ) { + const openingBrace = sourceCode.getTokenAfter( + node.discriminant, + astUtils.isOpeningBraceToken, + ); + + const closingBrace = sourceCode.getLastToken(node); + + if ( + sourceCode.commentsExistBetween( + openingBrace, + closingBrace, + ) + ) { + return; + } + + context.report({ + node, + loc: { + start: openingBrace.loc.start, + end: closingBrace.loc.end, + }, + messageId: "unexpected", + data: { type: "switch" }, + suggest: [ + { + messageId: "suggestComment", + data: { type: "switch" }, + fix(fixer) { + const range = [ + openingBrace.range[1], + closingBrace.range[0], + ]; + + return fixer.replaceTextRange( + range, + " /* empty */ ", + ); + }, + }, + ], + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-eq-null.js b/module/node_modules/eslint/lib/rules/no-eq-null.js new file mode 100644 index 000000000..edda5e6c9 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-eq-null.js @@ -0,0 +1,51 @@ +/** + * @fileoverview Rule to flag comparisons to null without a type-checking + * operator. + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow `null` comparisons without type-checking operators", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-eq-null", + }, + + schema: [], + + messages: { + unexpected: "Use '===' to compare with null.", + }, + }, + + create(context) { + return { + BinaryExpression(node) { + const badOperator = + node.operator === "==" || node.operator === "!="; + + if ( + (node.right.type === "Literal" && + node.right.raw === "null" && + badOperator) || + (node.left.type === "Literal" && + node.left.raw === "null" && + badOperator) + ) { + context.report({ node, messageId: "unexpected" }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-eval.js b/module/node_modules/eslint/lib/rules/no-eval.js new file mode 100644 index 000000000..5d75097ab --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-eval.js @@ -0,0 +1,295 @@ +/** + * @fileoverview Rule to flag use of eval() statement + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const candidatesOfGlobalObject = Object.freeze([ + "global", + "window", + "globalThis", +]); + +/** + * Checks a given node is a MemberExpression node which has the specified name's + * property. + * @param {ASTNode} node A node to check. + * @param {string} name A name to check. + * @returns {boolean} `true` if the node is a MemberExpression node which has + * the specified name's property + */ +function isMember(node, name) { + return astUtils.isSpecificMemberAccess(node, null, name); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + allowIndirect: false, + }, + ], + + docs: { + description: "Disallow the use of `eval()`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-eval", + }, + + schema: [ + { + type: "object", + properties: { + allowIndirect: { type: "boolean" }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpected: "eval can be harmful.", + }, + }, + + create(context) { + const [{ allowIndirect }] = context.options; + const sourceCode = context.sourceCode; + let funcInfo = null; + + /** + * Pushes a `this` scope (non-arrow function, class static block, or class field initializer) information to the stack. + * Top-level scopes are handled separately. + * + * This is used in order to check whether or not `this` binding is a + * reference to the global object. + * @param {ASTNode} node A node of the scope. + * For functions, this is one of FunctionDeclaration, FunctionExpression. + * For class static blocks, this is StaticBlock. + * For class field initializers, this can be any node that is PropertyDefinition#value. + * @returns {void} + */ + function enterThisScope(node) { + const strict = sourceCode.getScope(node).isStrict; + + funcInfo = { + upper: funcInfo, + node, + strict, + isTopLevelOfScript: false, + defaultThis: false, + initialized: strict, + }; + } + + /** + * Pops a variable scope from the stack. + * @returns {void} + */ + function exitThisScope() { + funcInfo = funcInfo.upper; + } + + /** + * Reports a given node. + * + * `node` is `Identifier` or `MemberExpression`. + * The parent of `node` might be `CallExpression`. + * + * The location of the report is always `eval` `Identifier` (or possibly + * `Literal`). The type of the report is `CallExpression` if the parent is + * `CallExpression`. Otherwise, it's the given node type. + * @param {ASTNode} node A node to report. + * @returns {void} + */ + function report(node) { + const parent = node.parent; + const locationNode = + node.type === "MemberExpression" ? node.property : node; + + const reportNode = + parent.type === "CallExpression" && parent.callee === node + ? parent + : node; + + context.report({ + node: reportNode, + loc: locationNode.loc, + messageId: "unexpected", + }); + } + + /** + * Reports accesses of `eval` via the global object. + * @param {eslint-scope.Scope} globalScope The global scope. + * @returns {void} + */ + function reportAccessingEvalViaGlobalObject(globalScope) { + for (let i = 0; i < candidatesOfGlobalObject.length; ++i) { + const name = candidatesOfGlobalObject[i]; + const variable = astUtils.getVariableByName(globalScope, name); + + if (!variable) { + continue; + } + + const references = variable.references; + + for (let j = 0; j < references.length; ++j) { + const identifier = references[j].identifier; + let node = identifier.parent; + + // To detect code like `window.window.eval`. + while (isMember(node, name)) { + node = node.parent; + } + + // Reports. + if (isMember(node, "eval")) { + report(node); + } + } + } + } + + /** + * Reports all accesses of `eval` (excludes direct calls to eval). + * @param {eslint-scope.Scope} globalScope The global scope. + * @returns {void} + */ + function reportAccessingEval(globalScope) { + const variable = astUtils.getVariableByName(globalScope, "eval"); + + if (!variable) { + return; + } + + const references = variable.references; + + for (let i = 0; i < references.length; ++i) { + const reference = references[i]; + const id = reference.identifier; + + if (id.name === "eval" && !astUtils.isCallee(id)) { + // Is accessing to eval (excludes direct calls to eval) + report(id); + } + } + } + + if (allowIndirect) { + // Checks only direct calls to eval. It's simple! + return { + "CallExpression:exit"(node) { + const callee = node.callee; + + /* + * Optional call (`eval?.("code")`) is not direct eval. + * The direct eval is only step 6.a.vi of https://tc39.es/ecma262/#sec-function-calls-runtime-semantics-evaluation + * But the optional call is https://tc39.es/ecma262/#sec-optional-chaining-chain-evaluation + */ + if ( + !node.optional && + astUtils.isSpecificId(callee, "eval") + ) { + report(callee); + } + }, + }; + } + + return { + "CallExpression:exit"(node) { + const callee = node.callee; + + if (astUtils.isSpecificId(callee, "eval")) { + report(callee); + } + }, + + Program(node) { + const scope = sourceCode.getScope(node), + features = + context.languageOptions.parserOptions.ecmaFeatures || + {}, + strict = + scope.isStrict || + node.sourceType === "module" || + (features.globalReturn && + scope.childScopes[0].isStrict), + isTopLevelOfScript = + node.sourceType !== "module" && !features.globalReturn; + + funcInfo = { + upper: null, + node, + strict, + isTopLevelOfScript, + defaultThis: true, + initialized: true, + }; + }, + + "Program:exit"(node) { + const globalScope = sourceCode.getScope(node); + + exitThisScope(); + reportAccessingEval(globalScope); + reportAccessingEvalViaGlobalObject(globalScope); + }, + + FunctionDeclaration: enterThisScope, + "FunctionDeclaration:exit": exitThisScope, + FunctionExpression: enterThisScope, + "FunctionExpression:exit": exitThisScope, + "PropertyDefinition > *.value": enterThisScope, + "PropertyDefinition > *.value:exit": exitThisScope, + StaticBlock: enterThisScope, + "StaticBlock:exit": exitThisScope, + + ThisExpression(node) { + if (!isMember(node.parent, "eval")) { + return; + } + + /* + * `this.eval` is found. + * Checks whether or not the value of `this` is the global object. + */ + if (!funcInfo.initialized) { + funcInfo.initialized = true; + funcInfo.defaultThis = astUtils.isDefaultThisBinding( + funcInfo.node, + sourceCode, + ); + } + + // `this` at the top level of scripts always refers to the global object + if ( + funcInfo.isTopLevelOfScript || + (!funcInfo.strict && funcInfo.defaultThis) + ) { + // `this.eval` is possible built-in `eval`. + report(node.parent); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-ex-assign.js b/module/node_modules/eslint/lib/rules/no-ex-assign.js new file mode 100644 index 000000000..6215a5e05 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-ex-assign.js @@ -0,0 +1,57 @@ +/** + * @fileoverview Rule to flag assignment of the exception parameter + * @author Stephen Murray + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow reassigning exceptions in `catch` clauses", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-ex-assign", + }, + + schema: [], + + messages: { + unexpected: "Do not assign to the exception parameter.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Finds and reports references that are non initializer and writable. + * @param {Variable} variable A variable to check. + * @returns {void} + */ + function checkVariable(variable) { + astUtils + .getModifyingReferences(variable.references) + .forEach(reference => { + context.report({ + node: reference.identifier, + messageId: "unexpected", + }); + }); + } + + return { + CatchClause(node) { + sourceCode.getDeclaredVariables(node).forEach(checkVariable); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-extend-native.js b/module/node_modules/eslint/lib/rules/no-extend-native.js new file mode 100644 index 000000000..4d3b8c20a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-extend-native.js @@ -0,0 +1,180 @@ +/** + * @fileoverview Rule to flag adding properties to native object's prototypes. + * @author David Nelson + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [{ exceptions: [] }], + + docs: { + description: "Disallow extending native types", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-extend-native", + }, + + schema: [ + { + type: "object", + properties: { + exceptions: { + type: "array", + items: { + type: "string", + }, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpected: + "{{builtin}} prototype is read only, properties should not be added.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const exceptions = new Set(context.options[0].exceptions); + const modifiedBuiltins = new Set( + Object.keys(astUtils.ECMASCRIPT_GLOBALS) + .filter(builtin => builtin[0].toUpperCase() === builtin[0]) + .filter(builtin => !exceptions.has(builtin)), + ); + + /** + * Reports a lint error for the given node. + * @param {ASTNode} node The node to report. + * @param {string} builtin The name of the native builtin being extended. + * @returns {void} + */ + function reportNode(node, builtin) { + context.report({ + node, + messageId: "unexpected", + data: { + builtin, + }, + }); + } + + /** + * Check to see if the `prototype` property of the given object + * identifier node is being accessed. + * @param {ASTNode} identifierNode The Identifier representing the object + * to check. + * @returns {boolean} True if the identifier is the object of a + * MemberExpression and its `prototype` property is being accessed, + * false otherwise. + */ + function isPrototypePropertyAccessed(identifierNode) { + return Boolean( + identifierNode && + identifierNode.parent && + identifierNode.parent.type === "MemberExpression" && + identifierNode.parent.object === identifierNode && + astUtils.getStaticPropertyName(identifierNode.parent) === + "prototype", + ); + } + + /** + * Check if it's an assignment to the property of the given node. + * Example: `*.prop = 0` // the `*` is the given node. + * @param {ASTNode} node The node to check. + * @returns {boolean} True if an assignment to the property of the node. + */ + function isAssigningToPropertyOf(node) { + return ( + node.parent.type === "MemberExpression" && + node.parent.object === node && + node.parent.parent.type === "AssignmentExpression" && + node.parent.parent.left === node.parent + ); + } + + /** + * Checks if the given node is at the first argument of the method call of `Object.defineProperty()` or `Object.defineProperties()`. + * @param {ASTNode} node The node to check. + * @returns {boolean} True if the node is at the first argument of the method call of `Object.defineProperty()` or `Object.defineProperties()`. + */ + function isInDefinePropertyCall(node) { + return ( + node.parent.type === "CallExpression" && + node.parent.arguments[0] === node && + astUtils.isSpecificMemberAccess( + node.parent.callee, + "Object", + /^definePropert(?:y|ies)$/u, + ) + ); + } + + /** + * Check to see if object prototype access is part of a prototype + * extension. There are three ways a prototype can be extended: + * 1. Assignment to prototype property (Object.prototype.foo = 1) + * 2. Object.defineProperty()/Object.defineProperties() on a prototype + * If prototype extension is detected, report the AssignmentExpression + * or CallExpression node. + * @param {ASTNode} identifierNode The Identifier representing the object + * which prototype is being accessed and possibly extended. + * @returns {void} + */ + function checkAndReportPrototypeExtension(identifierNode) { + if (!isPrototypePropertyAccessed(identifierNode)) { + return; // This is not `*.prototype` access. + } + + /* + * `identifierNode.parent` is a MemberExpression `*.prototype`. + * If it's an optional member access, it may be wrapped by a `ChainExpression` node. + */ + const prototypeNode = + identifierNode.parent.parent.type === "ChainExpression" + ? identifierNode.parent.parent + : identifierNode.parent; + + if (isAssigningToPropertyOf(prototypeNode)) { + // `*.prototype` -> MemberExpression -> AssignmentExpression + reportNode(prototypeNode.parent.parent, identifierNode.name); + } else if (isInDefinePropertyCall(prototypeNode)) { + // `*.prototype` -> CallExpression + reportNode(prototypeNode.parent, identifierNode.name); + } + } + + return { + "Program:exit"(node) { + const globalScope = sourceCode.getScope(node); + + modifiedBuiltins.forEach(builtin => { + const builtinVar = globalScope.set.get(builtin); + + if (builtinVar && builtinVar.references) { + builtinVar.references + .map(ref => ref.identifier) + .forEach(checkAndReportPrototypeExtension); + } + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-extra-bind.js b/module/node_modules/eslint/lib/rules/no-extra-bind.js new file mode 100644 index 000000000..73164f8d4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-extra-bind.js @@ -0,0 +1,224 @@ +/** + * @fileoverview Rule to flag unnecessary bind calls + * @author Bence Dányi + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const SIDE_EFFECT_FREE_NODE_TYPES = new Set([ + "Literal", + "Identifier", + "ThisExpression", + "FunctionExpression", +]); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow unnecessary calls to `.bind()`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-extra-bind", + }, + + schema: [], + fixable: "code", + + messages: { + unexpected: "The function binding is unnecessary.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + let scopeInfo = null; + + /** + * Checks if a node is free of side effects. + * + * This check is stricter than it needs to be, in order to keep the implementation simple. + * @param {ASTNode} node A node to check. + * @returns {boolean} True if the node is known to be side-effect free, false otherwise. + */ + function isSideEffectFree(node) { + return SIDE_EFFECT_FREE_NODE_TYPES.has(node.type); + } + + /** + * Reports a given function node. + * @param {ASTNode} node A node to report. This is a FunctionExpression or + * an ArrowFunctionExpression. + * @returns {void} + */ + function report(node) { + const memberNode = node.parent; + const callNode = + memberNode.parent.type === "ChainExpression" + ? memberNode.parent.parent + : memberNode.parent; + + context.report({ + node: callNode, + messageId: "unexpected", + loc: memberNode.property.loc, + + fix(fixer) { + if (!isSideEffectFree(callNode.arguments[0])) { + return null; + } + + /* + * The list of the first/last token pair of a removal range. + * This is two parts because closing parentheses may exist between the method name and arguments. + * E.g. `(function(){}.bind ) (obj)` + * ^^^^^ ^^^^^ < removal ranges + * E.g. `(function(){}?.['bind'] ) ?.(obj)` + * ^^^^^^^^^^ ^^^^^^^ < removal ranges + */ + const tokenPairs = [ + [ + // `.`, `?.`, or `[` token. + sourceCode.getTokenAfter( + memberNode.object, + astUtils.isNotClosingParenToken, + ), + + // property name or `]` token. + sourceCode.getLastToken(memberNode), + ], + [ + // `?.` or `(` token of arguments. + sourceCode.getTokenAfter( + memberNode, + astUtils.isNotClosingParenToken, + ), + + // `)` token of arguments. + sourceCode.getLastToken(callNode), + ], + ]; + const firstTokenToRemove = tokenPairs[0][0]; + const lastTokenToRemove = tokenPairs[1][1]; + + if ( + sourceCode.commentsExistBetween( + firstTokenToRemove, + lastTokenToRemove, + ) + ) { + return null; + } + + return tokenPairs.map(([start, end]) => + fixer.removeRange([start.range[0], end.range[1]]), + ); + }, + }); + } + + /** + * Checks whether or not a given function node is the callee of `.bind()` + * method. + * + * e.g. `(function() {}.bind(foo))` + * @param {ASTNode} node A node to report. This is a FunctionExpression or + * an ArrowFunctionExpression. + * @returns {boolean} `true` if the node is the callee of `.bind()` method. + */ + function isCalleeOfBindMethod(node) { + if (!astUtils.isSpecificMemberAccess(node.parent, null, "bind")) { + return false; + } + + // The node of `*.bind` member access. + const bindNode = + node.parent.parent.type === "ChainExpression" + ? node.parent.parent + : node.parent; + + return ( + bindNode.parent.type === "CallExpression" && + bindNode.parent.callee === bindNode && + bindNode.parent.arguments.length === 1 && + bindNode.parent.arguments[0].type !== "SpreadElement" + ); + } + + /** + * Adds a scope information object to the stack. + * @param {ASTNode} node A node to add. This node is a FunctionExpression + * or a FunctionDeclaration node. + * @returns {void} + */ + function enterFunction(node) { + scopeInfo = { + isBound: isCalleeOfBindMethod(node), + thisFound: false, + upper: scopeInfo, + }; + } + + /** + * Removes the scope information object from the top of the stack. + * At the same time, this reports the function node if the function has + * `.bind()` and the `this` keywords found. + * @param {ASTNode} node A node to remove. This node is a + * FunctionExpression or a FunctionDeclaration node. + * @returns {void} + */ + function exitFunction(node) { + if (scopeInfo.isBound && !scopeInfo.thisFound) { + report(node); + } + + scopeInfo = scopeInfo.upper; + } + + /** + * Reports a given arrow function if the function is callee of `.bind()` + * method. + * @param {ASTNode} node A node to report. This node is an + * ArrowFunctionExpression. + * @returns {void} + */ + function exitArrowFunction(node) { + if (isCalleeOfBindMethod(node)) { + report(node); + } + } + + /** + * Set the mark as the `this` keyword was found in this scope. + * @returns {void} + */ + function markAsThisFound() { + if (scopeInfo) { + scopeInfo.thisFound = true; + } + } + + return { + "ArrowFunctionExpression:exit": exitArrowFunction, + FunctionDeclaration: enterFunction, + "FunctionDeclaration:exit": exitFunction, + FunctionExpression: enterFunction, + "FunctionExpression:exit": exitFunction, + ThisExpression: markAsThisFound, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-extra-boolean-cast.js b/module/node_modules/eslint/lib/rules/no-extra-boolean-cast.js new file mode 100644 index 000000000..18019a8cd --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-extra-boolean-cast.js @@ -0,0 +1,420 @@ +/** + * @fileoverview Rule to flag unnecessary double negation in Boolean contexts + * @author Brandon Mills + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const eslintUtils = require("@eslint-community/eslint-utils"); + +const precedence = astUtils.getPrecedence; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [{}], + + docs: { + description: "Disallow unnecessary boolean casts", + recommended: true, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-extra-boolean-cast", + }, + + schema: [ + { + anyOf: [ + { + type: "object", + properties: { + enforceForInnerExpressions: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + + // deprecated + { + type: "object", + properties: { + enforceForLogicalOperands: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + }, + ], + fixable: "code", + + messages: { + unexpectedCall: "Redundant Boolean call.", + unexpectedNegation: "Redundant double negation.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const [{ enforceForLogicalOperands, enforceForInnerExpressions }] = + context.options; + + // Node types which have a test which will coerce values to booleans. + const BOOLEAN_NODE_TYPES = new Set([ + "IfStatement", + "DoWhileStatement", + "WhileStatement", + "ConditionalExpression", + "ForStatement", + ]); + + /** + * Check if a node is a Boolean function or constructor. + * @param {ASTNode} node the node + * @returns {boolean} If the node is Boolean function or constructor + */ + function isBooleanFunctionOrConstructorCall(node) { + // Boolean() and new Boolean() + return ( + (node.type === "CallExpression" || + node.type === "NewExpression") && + node.callee.type === "Identifier" && + node.callee.name === "Boolean" + ); + } + + /** + * Check if a node is in a context where its value would be coerced to a boolean at runtime. + * @param {ASTNode} node The node + * @returns {boolean} If it is in a boolean context + */ + function isInBooleanContext(node) { + return ( + (isBooleanFunctionOrConstructorCall(node.parent) && + node === node.parent.arguments[0]) || + (BOOLEAN_NODE_TYPES.has(node.parent.type) && + node === node.parent.test) || + // ! + (node.parent.type === "UnaryExpression" && + node.parent.operator === "!") + ); + } + + /** + * Checks whether the node is a context that should report an error + * Acts recursively if it is in a logical context + * @param {ASTNode} node the node + * @returns {boolean} If the node is in one of the flagged contexts + */ + function isInFlaggedContext(node) { + if (node.parent.type === "ChainExpression") { + return isInFlaggedContext(node.parent); + } + + /* + * legacy behavior - enforceForLogicalOperands will only recurse on + * logical expressions, not on other contexts. + * enforceForInnerExpressions will recurse on logical expressions + * as well as the other recursive syntaxes. + */ + + if (enforceForLogicalOperands || enforceForInnerExpressions) { + if (node.parent.type === "LogicalExpression") { + if ( + node.parent.operator === "||" || + node.parent.operator === "&&" + ) { + return isInFlaggedContext(node.parent); + } + + // Check the right hand side of a `??` operator. + if ( + enforceForInnerExpressions && + node.parent.operator === "??" && + node.parent.right === node + ) { + return isInFlaggedContext(node.parent); + } + } + } + + if (enforceForInnerExpressions) { + if ( + node.parent.type === "ConditionalExpression" && + (node.parent.consequent === node || + node.parent.alternate === node) + ) { + return isInFlaggedContext(node.parent); + } + + /* + * Check last expression only in a sequence, i.e. if ((1, 2, Boolean(3))) {}, since + * the others don't affect the result of the expression. + */ + if ( + node.parent.type === "SequenceExpression" && + node.parent.expressions.at(-1) === node + ) { + return isInFlaggedContext(node.parent); + } + } + + return isInBooleanContext(node); + } + + /** + * Check if a node has comments inside. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if it has comments inside. + */ + function hasCommentsInside(node) { + return Boolean(sourceCode.getCommentsInside(node).length); + } + + /** + * Checks if the given node is wrapped in grouping parentheses. Parentheses for constructs such as if() don't count. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is parenthesized. + * @private + */ + function isParenthesized(node) { + return eslintUtils.isParenthesized(1, node, sourceCode); + } + + /** + * Determines whether the given node needs to be parenthesized when replacing the previous node. + * It assumes that `previousNode` is the node to be reported by this rule, so it has a limited list + * of possible parent node types. By the same assumption, the node's role in a particular parent is already known. + * @param {ASTNode} previousNode Previous node. + * @param {ASTNode} node The node to check. + * @throws {Error} (Unreachable.) + * @returns {boolean} `true` if the node needs to be parenthesized. + */ + function needsParens(previousNode, node) { + if (previousNode.parent.type === "ChainExpression") { + return needsParens(previousNode.parent, node); + } + + if (isParenthesized(previousNode)) { + // parentheses around the previous node will stay, so there is no need for an additional pair + return false; + } + + // parent of the previous node will become parent of the replacement node + const parent = previousNode.parent; + + switch (parent.type) { + case "CallExpression": + case "NewExpression": + return node.type === "SequenceExpression"; + case "IfStatement": + case "DoWhileStatement": + case "WhileStatement": + case "ForStatement": + case "SequenceExpression": + return false; + case "ConditionalExpression": + if (previousNode === parent.test) { + return precedence(node) <= precedence(parent); + } + if ( + previousNode === parent.consequent || + previousNode === parent.alternate + ) { + return ( + precedence(node) < + precedence({ type: "AssignmentExpression" }) + ); + } + + /* c8 ignore next */ + throw new Error( + "Ternary child must be test, consequent, or alternate.", + ); + case "UnaryExpression": + return precedence(node) < precedence(parent); + case "LogicalExpression": + if ( + astUtils.isMixedLogicalAndCoalesceExpressions( + node, + parent, + ) + ) { + return true; + } + if (previousNode === parent.left) { + return precedence(node) < precedence(parent); + } + return precedence(node) <= precedence(parent); + + /* c8 ignore next */ + default: + throw new Error(`Unexpected parent type: ${parent.type}`); + } + } + + return { + UnaryExpression(node) { + const parent = node.parent; + + // Exit early if it's guaranteed not to match + if ( + node.operator !== "!" || + parent.type !== "UnaryExpression" || + parent.operator !== "!" + ) { + return; + } + + if (isInFlaggedContext(parent)) { + context.report({ + node: parent, + messageId: "unexpectedNegation", + fix(fixer) { + if (hasCommentsInside(parent)) { + return null; + } + + if (needsParens(parent, node.argument)) { + return fixer.replaceText( + parent, + `(${sourceCode.getText(node.argument)})`, + ); + } + + let prefix = ""; + const tokenBefore = + sourceCode.getTokenBefore(parent); + const firstReplacementToken = + sourceCode.getFirstToken(node.argument); + + if ( + tokenBefore && + tokenBefore.range[1] === parent.range[0] && + !astUtils.canTokensBeAdjacent( + tokenBefore, + firstReplacementToken, + ) + ) { + prefix = " "; + } + + return fixer.replaceText( + parent, + prefix + sourceCode.getText(node.argument), + ); + }, + }); + } + }, + + CallExpression(node) { + if ( + node.callee.type !== "Identifier" || + node.callee.name !== "Boolean" + ) { + return; + } + + if (isInFlaggedContext(node)) { + context.report({ + node, + messageId: "unexpectedCall", + fix(fixer) { + const parent = node.parent; + + if (node.arguments.length === 0) { + if ( + parent.type === "UnaryExpression" && + parent.operator === "!" + ) { + /* + * !Boolean() -> true + */ + + if (hasCommentsInside(parent)) { + return null; + } + + const replacement = "true"; + let prefix = ""; + const tokenBefore = + sourceCode.getTokenBefore(parent); + + if ( + tokenBefore && + tokenBefore.range[1] === + parent.range[0] && + !astUtils.canTokensBeAdjacent( + tokenBefore, + replacement, + ) + ) { + prefix = " "; + } + + return fixer.replaceText( + parent, + prefix + replacement, + ); + } + + /* + * Boolean() -> false + */ + + if (hasCommentsInside(node)) { + return null; + } + + return fixer.replaceText(node, "false"); + } + + if (node.arguments.length === 1) { + const argument = node.arguments[0]; + + if ( + argument.type === "SpreadElement" || + hasCommentsInside(node) + ) { + return null; + } + + /* + * Boolean(expression) -> expression + */ + + if (needsParens(node, argument)) { + return fixer.replaceText( + node, + `(${sourceCode.getText(argument)})`, + ); + } + + return fixer.replaceText( + node, + sourceCode.getText(argument), + ); + } + + // two or more arguments + return null; + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-extra-label.js b/module/node_modules/eslint/lib/rules/no-extra-label.js new file mode 100644 index 000000000..c191eee7f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-extra-label.js @@ -0,0 +1,169 @@ +/** + * @fileoverview Rule to disallow unnecessary labels + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow unnecessary labels", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-extra-label", + }, + + schema: [], + fixable: "code", + + messages: { + unexpected: "This label '{{name}}' is unnecessary.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + let scopeInfo = null; + + /** + * Creates a new scope with a breakable statement. + * @param {ASTNode} node A node to create. This is a BreakableStatement. + * @returns {void} + */ + function enterBreakableStatement(node) { + scopeInfo = { + label: + node.parent.type === "LabeledStatement" + ? node.parent.label + : null, + breakable: true, + upper: scopeInfo, + }; + } + + /** + * Removes the top scope of the stack. + * @returns {void} + */ + function exitBreakableStatement() { + scopeInfo = scopeInfo.upper; + } + + /** + * Creates a new scope with a labeled statement. + * + * This ignores it if the body is a breakable statement. + * In this case it's handled in the `enterBreakableStatement` function. + * @param {ASTNode} node A node to create. This is a LabeledStatement. + * @returns {void} + */ + function enterLabeledStatement(node) { + if (!astUtils.isBreakableStatement(node.body)) { + scopeInfo = { + label: node.label, + breakable: false, + upper: scopeInfo, + }; + } + } + + /** + * Removes the top scope of the stack. + * + * This ignores it if the body is a breakable statement. + * In this case it's handled in the `exitBreakableStatement` function. + * @param {ASTNode} node A node. This is a LabeledStatement. + * @returns {void} + */ + function exitLabeledStatement(node) { + if (!astUtils.isBreakableStatement(node.body)) { + scopeInfo = scopeInfo.upper; + } + } + + /** + * Reports a given control node if it's unnecessary. + * @param {ASTNode} node A node. This is a BreakStatement or a + * ContinueStatement. + * @returns {void} + */ + function reportIfUnnecessary(node) { + if (!node.label) { + return; + } + + const labelNode = node.label; + + for (let info = scopeInfo; info !== null; info = info.upper) { + if ( + info.breakable || + (info.label && info.label.name === labelNode.name) + ) { + if ( + info.breakable && + info.label && + info.label.name === labelNode.name + ) { + context.report({ + node: labelNode, + messageId: "unexpected", + data: labelNode, + fix(fixer) { + const breakOrContinueToken = + sourceCode.getFirstToken(node); + + if ( + sourceCode.commentsExistBetween( + breakOrContinueToken, + labelNode, + ) + ) { + return null; + } + + return fixer.removeRange([ + breakOrContinueToken.range[1], + labelNode.range[1], + ]); + }, + }); + } + return; + } + } + } + + return { + WhileStatement: enterBreakableStatement, + "WhileStatement:exit": exitBreakableStatement, + DoWhileStatement: enterBreakableStatement, + "DoWhileStatement:exit": exitBreakableStatement, + ForStatement: enterBreakableStatement, + "ForStatement:exit": exitBreakableStatement, + ForInStatement: enterBreakableStatement, + "ForInStatement:exit": exitBreakableStatement, + ForOfStatement: enterBreakableStatement, + "ForOfStatement:exit": exitBreakableStatement, + SwitchStatement: enterBreakableStatement, + "SwitchStatement:exit": exitBreakableStatement, + LabeledStatement: enterLabeledStatement, + "LabeledStatement:exit": exitLabeledStatement, + BreakStatement: reportIfUnnecessary, + ContinueStatement: reportIfUnnecessary, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-extra-parens.js b/module/node_modules/eslint/lib/rules/no-extra-parens.js new file mode 100644 index 000000000..5b534b67f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-extra-parens.js @@ -0,0 +1,1669 @@ +/** + * @fileoverview Disallow parenthesising higher precedence subexpressions. + * @author Michael Ficarra + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const { + isParenthesized: isParenthesizedRaw, +} = require("@eslint-community/eslint-utils"); +const astUtils = require("./utils/ast-utils.js"); + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "no-extra-parens", + url: "https://eslint.style/rules/no-extra-parens", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Disallow unnecessary parentheses", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-extra-parens", + }, + + fixable: "code", + + schema: { + anyOf: [ + { + type: "array", + items: [ + { + enum: ["functions"], + }, + ], + minItems: 0, + maxItems: 1, + }, + { + type: "array", + items: [ + { + enum: ["all"], + }, + { + type: "object", + properties: { + conditionalAssign: { type: "boolean" }, + ternaryOperandBinaryExpressions: { + type: "boolean", + }, + nestedBinaryExpressions: { type: "boolean" }, + returnAssign: { type: "boolean" }, + ignoreJSX: { + enum: [ + "none", + "all", + "single-line", + "multi-line", + ], + }, + enforceForArrowConditionals: { + type: "boolean", + }, + enforceForSequenceExpressions: { + type: "boolean", + }, + enforceForNewInMemberExpressions: { + type: "boolean", + }, + enforceForFunctionPrototypeMethods: { + type: "boolean", + }, + allowParensAfterCommentPattern: { + type: "string", + }, + }, + additionalProperties: false, + }, + ], + minItems: 0, + maxItems: 2, + }, + ], + }, + + messages: { + unexpected: "Unnecessary parentheses around expression.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + const tokensToIgnore = new WeakSet(); + const precedence = astUtils.getPrecedence; + const ALL_NODES = context.options[0] !== "functions"; + const EXCEPT_COND_ASSIGN = + ALL_NODES && + context.options[1] && + context.options[1].conditionalAssign === false; + const EXCEPT_COND_TERNARY = + ALL_NODES && + context.options[1] && + context.options[1].ternaryOperandBinaryExpressions === false; + const NESTED_BINARY = + ALL_NODES && + context.options[1] && + context.options[1].nestedBinaryExpressions === false; + const EXCEPT_RETURN_ASSIGN = + ALL_NODES && + context.options[1] && + context.options[1].returnAssign === false; + const IGNORE_JSX = + ALL_NODES && context.options[1] && context.options[1].ignoreJSX; + const IGNORE_ARROW_CONDITIONALS = + ALL_NODES && + context.options[1] && + context.options[1].enforceForArrowConditionals === false; + const IGNORE_SEQUENCE_EXPRESSIONS = + ALL_NODES && + context.options[1] && + context.options[1].enforceForSequenceExpressions === false; + const IGNORE_NEW_IN_MEMBER_EXPR = + ALL_NODES && + context.options[1] && + context.options[1].enforceForNewInMemberExpressions === false; + const IGNORE_FUNCTION_PROTOTYPE_METHODS = + ALL_NODES && + context.options[1] && + context.options[1].enforceForFunctionPrototypeMethods === false; + const ALLOW_PARENS_AFTER_COMMENT_PATTERN = + ALL_NODES && + context.options[1] && + context.options[1].allowParensAfterCommentPattern; + + const PRECEDENCE_OF_ASSIGNMENT_EXPR = precedence({ + type: "AssignmentExpression", + }); + const PRECEDENCE_OF_UPDATE_EXPR = precedence({ + type: "UpdateExpression", + }); + + let reportsBuffer; + + /** + * Determines whether the given node is a `call` or `apply` method call, invoked directly on a `FunctionExpression` node. + * Example: function(){}.call() + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the node is an immediate `call` or `apply` method call. + * @private + */ + function isImmediateFunctionPrototypeMethodCall(node) { + const callNode = astUtils.skipChainExpression(node); + + if (callNode.type !== "CallExpression") { + return false; + } + const callee = astUtils.skipChainExpression(callNode.callee); + + return ( + callee.type === "MemberExpression" && + callee.object.type === "FunctionExpression" && + ["call", "apply"].includes( + astUtils.getStaticPropertyName(callee), + ) + ); + } + + /** + * Determines if this rule should be enforced for a node given the current configuration. + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the rule should be enforced for this node. + * @private + */ + function ruleApplies(node) { + if (node.type === "JSXElement" || node.type === "JSXFragment") { + const isSingleLine = node.loc.start.line === node.loc.end.line; + + switch (IGNORE_JSX) { + // Exclude this JSX element from linting + case "all": + return false; + + // Exclude this JSX element if it is multi-line element + case "multi-line": + return isSingleLine; + + // Exclude this JSX element if it is single-line element + case "single-line": + return !isSingleLine; + + // Nothing special to be done for JSX elements + case "none": + break; + + // no default + } + } + + if ( + node.type === "SequenceExpression" && + IGNORE_SEQUENCE_EXPRESSIONS + ) { + return false; + } + + if ( + isImmediateFunctionPrototypeMethodCall(node) && + IGNORE_FUNCTION_PROTOTYPE_METHODS + ) { + return false; + } + + return ( + ALL_NODES || + node.type === "FunctionExpression" || + node.type === "ArrowFunctionExpression" + ); + } + + /** + * Determines if a node is surrounded by parentheses. + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the node is parenthesised. + * @private + */ + function isParenthesised(node) { + return isParenthesizedRaw(1, node, sourceCode); + } + + /** + * Determines if a node is surrounded by parentheses twice. + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the node is doubly parenthesised. + * @private + */ + function isParenthesisedTwice(node) { + return isParenthesizedRaw(2, node, sourceCode); + } + + /** + * Determines if a node is surrounded by (potentially) invalid parentheses. + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the node is incorrectly parenthesised. + * @private + */ + function hasExcessParens(node) { + return ruleApplies(node) && isParenthesised(node); + } + + /** + * Determines if a node that is expected to be parenthesised is surrounded by + * (potentially) invalid extra parentheses. + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the node is has an unexpected extra pair of parentheses. + * @private + */ + function hasDoubleExcessParens(node) { + return ruleApplies(node) && isParenthesisedTwice(node); + } + + /** + * Determines if a node that is expected to be parenthesised is surrounded by + * (potentially) invalid extra parentheses with considering precedence level of the node. + * If the preference level of the node is not higher or equal to precedence lower limit, it also checks + * whether the node is surrounded by parentheses twice or not. + * @param {ASTNode} node The node to be checked. + * @param {number} precedenceLowerLimit The lower limit of precedence. + * @returns {boolean} True if the node is has an unexpected extra pair of parentheses. + * @private + */ + function hasExcessParensWithPrecedence(node, precedenceLowerLimit) { + if (ruleApplies(node) && isParenthesised(node)) { + if ( + precedence(node) >= precedenceLowerLimit || + isParenthesisedTwice(node) + ) { + return true; + } + } + return false; + } + + /** + * Determines if a node test expression is allowed to have a parenthesised assignment + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the assignment can be parenthesised. + * @private + */ + function isCondAssignException(node) { + return ( + EXCEPT_COND_ASSIGN && node.test.type === "AssignmentExpression" + ); + } + + /** + * Determines if a node is in a return statement + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the node is in a return statement. + * @private + */ + function isInReturnStatement(node) { + for ( + let currentNode = node; + currentNode; + currentNode = currentNode.parent + ) { + if ( + currentNode.type === "ReturnStatement" || + (currentNode.type === "ArrowFunctionExpression" && + currentNode.body.type !== "BlockStatement") + ) { + return true; + } + } + + return false; + } + + /** + * Determines if a constructor function is newed-up with parens + * @param {ASTNode} newExpression The NewExpression node to be checked. + * @returns {boolean} True if the constructor is called with parens. + * @private + */ + function isNewExpressionWithParens(newExpression) { + const lastToken = sourceCode.getLastToken(newExpression); + const penultimateToken = sourceCode.getTokenBefore(lastToken); + + return ( + newExpression.arguments.length > 0 || + // The expression should end with its own parens, e.g., new new foo() is not a new expression with parens + (astUtils.isOpeningParenToken(penultimateToken) && + astUtils.isClosingParenToken(lastToken) && + newExpression.callee.range[1] < newExpression.range[1]) + ); + } + + /** + * Determines if a node is or contains an assignment expression + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the node is or contains an assignment expression. + * @private + */ + function containsAssignment(node) { + if (node.type === "AssignmentExpression") { + return true; + } + if ( + node.type === "ConditionalExpression" && + (node.consequent.type === "AssignmentExpression" || + node.alternate.type === "AssignmentExpression") + ) { + return true; + } + if ( + (node.left && node.left.type === "AssignmentExpression") || + (node.right && node.right.type === "AssignmentExpression") + ) { + return true; + } + + return false; + } + + /** + * Determines if a node is contained by or is itself a return statement and is allowed to have a parenthesised assignment + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the assignment can be parenthesised. + * @private + */ + function isReturnAssignException(node) { + if (!EXCEPT_RETURN_ASSIGN || !isInReturnStatement(node)) { + return false; + } + + if (node.type === "ReturnStatement") { + return node.argument && containsAssignment(node.argument); + } + if ( + node.type === "ArrowFunctionExpression" && + node.body.type !== "BlockStatement" + ) { + return containsAssignment(node.body); + } + return containsAssignment(node); + } + + /** + * Determines if a node following a [no LineTerminator here] restriction is + * surrounded by (potentially) invalid extra parentheses. + * @param {Token} token The token preceding the [no LineTerminator here] restriction. + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the node is incorrectly parenthesised. + * @private + */ + function hasExcessParensNoLineTerminator(token, node) { + if (token.loc.end.line === node.loc.start.line) { + return hasExcessParens(node); + } + + return hasDoubleExcessParens(node); + } + + /** + * Determines whether a node should be preceded by an additional space when removing parens + * @param {ASTNode} node node to evaluate; must be surrounded by parentheses + * @returns {boolean} `true` if a space should be inserted before the node + * @private + */ + function requiresLeadingSpace(node) { + const leftParenToken = sourceCode.getTokenBefore(node); + const tokenBeforeLeftParen = sourceCode.getTokenBefore( + leftParenToken, + { includeComments: true }, + ); + const tokenAfterLeftParen = sourceCode.getTokenAfter( + leftParenToken, + { includeComments: true }, + ); + + return ( + tokenBeforeLeftParen && + tokenBeforeLeftParen.range[1] === leftParenToken.range[0] && + leftParenToken.range[1] === tokenAfterLeftParen.range[0] && + !astUtils.canTokensBeAdjacent( + tokenBeforeLeftParen, + tokenAfterLeftParen, + ) + ); + } + + /** + * Determines whether a node should be followed by an additional space when removing parens + * @param {ASTNode} node node to evaluate; must be surrounded by parentheses + * @returns {boolean} `true` if a space should be inserted after the node + * @private + */ + function requiresTrailingSpace(node) { + const nextTwoTokens = sourceCode.getTokensAfter(node, { count: 2 }); + const rightParenToken = nextTwoTokens[0]; + const tokenAfterRightParen = nextTwoTokens[1]; + const tokenBeforeRightParen = sourceCode.getLastToken(node); + + return ( + rightParenToken && + tokenAfterRightParen && + !sourceCode.isSpaceBetweenTokens( + rightParenToken, + tokenAfterRightParen, + ) && + !astUtils.canTokensBeAdjacent( + tokenBeforeRightParen, + tokenAfterRightParen, + ) + ); + } + + /** + * Determines if a given expression node is an IIFE + * @param {ASTNode} node The node to check + * @returns {boolean} `true` if the given node is an IIFE + */ + function isIIFE(node) { + const maybeCallNode = astUtils.skipChainExpression(node); + + return ( + maybeCallNode.type === "CallExpression" && + maybeCallNode.callee.type === "FunctionExpression" + ); + } + + /** + * Determines if the given node can be the assignment target in destructuring or the LHS of an assignment. + * This is to avoid an autofix that could change behavior because parsers mistakenly allow invalid syntax, + * such as `(a = b) = c` and `[(a = b) = c] = []`. Ideally, this function shouldn't be necessary. + * @param {ASTNode} [node] The node to check + * @returns {boolean} `true` if the given node can be a valid assignment target + */ + function canBeAssignmentTarget(node) { + return ( + node && + (node.type === "Identifier" || node.type === "MemberExpression") + ); + } + + /** + * Checks if a node is fixable. + * A node is fixable if removing a single pair of surrounding parentheses does not turn it + * into a directive after fixing other nodes. + * Almost all nodes are fixable, except if all of the following conditions are met: + * The node is a string Literal + * It has a single pair of parentheses + * It is the only child of an ExpressionStatement + * @param {ASTNode} node The node to evaluate. + * @returns {boolean} Whether or not the node is fixable. + * @private + */ + function isFixable(node) { + // if it's not a string literal it can be autofixed + if (node.type !== "Literal" || typeof node.value !== "string") { + return true; + } + if (isParenthesisedTwice(node)) { + return true; + } + return !astUtils.isTopLevelExpressionStatement(node.parent); + } + + /** + * Report the node + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function report(node) { + const leftParenToken = sourceCode.getTokenBefore(node); + const rightParenToken = sourceCode.getTokenAfter(node); + + if (!isParenthesisedTwice(node)) { + if (tokensToIgnore.has(sourceCode.getFirstToken(node))) { + return; + } + + if (isIIFE(node) && !isParenthesised(node.callee)) { + return; + } + + if (ALLOW_PARENS_AFTER_COMMENT_PATTERN) { + const commentsBeforeLeftParenToken = + sourceCode.getCommentsBefore(leftParenToken); + const totalCommentsBeforeLeftParenTokenCount = + commentsBeforeLeftParenToken.length; + const ignorePattern = new RegExp( + ALLOW_PARENS_AFTER_COMMENT_PATTERN, + "u", + ); + + if ( + totalCommentsBeforeLeftParenTokenCount > 0 && + ignorePattern.test( + commentsBeforeLeftParenToken[ + totalCommentsBeforeLeftParenTokenCount - 1 + ].value, + ) + ) { + return; + } + } + } + + /** + * Finishes reporting + * @returns {void} + * @private + */ + function finishReport() { + context.report({ + node, + loc: leftParenToken.loc, + messageId: "unexpected", + fix: isFixable(node) + ? fixer => { + const parenthesizedSource = + sourceCode.text.slice( + leftParenToken.range[1], + rightParenToken.range[0], + ); + + return fixer.replaceTextRange( + [ + leftParenToken.range[0], + rightParenToken.range[1], + ], + (requiresLeadingSpace(node) ? " " : "") + + parenthesizedSource + + (requiresTrailingSpace(node) + ? " " + : ""), + ); + } + : null, + }); + } + + if (reportsBuffer) { + reportsBuffer.reports.push({ node, finishReport }); + return; + } + + finishReport(); + } + + /** + * Evaluate a argument of the node. + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkArgumentWithPrecedence(node) { + if ( + hasExcessParensWithPrecedence(node.argument, precedence(node)) + ) { + report(node.argument); + } + } + + /** + * Check if a member expression contains a call expression + * @param {ASTNode} node MemberExpression node to evaluate + * @returns {boolean} true if found, false if not + */ + function doesMemberExpressionContainCallExpression(node) { + let currentNode = node.object; + let currentNodeType = node.object.type; + + while (currentNodeType === "MemberExpression") { + currentNode = currentNode.object; + currentNodeType = currentNode.type; + } + + return currentNodeType === "CallExpression"; + } + + /** + * Evaluate a new call + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkCallNew(node) { + const callee = node.callee; + + if (hasExcessParensWithPrecedence(callee, precedence(node))) { + if ( + hasDoubleExcessParens(callee) || + !( + isIIFE(node) || + // (new A)(); new (new A)(); + (callee.type === "NewExpression" && + !isNewExpressionWithParens(callee) && + !( + node.type === "NewExpression" && + !isNewExpressionWithParens(node) + )) || + // new (a().b)(); new (a.b().c); + (node.type === "NewExpression" && + callee.type === "MemberExpression" && + doesMemberExpressionContainCallExpression( + callee, + )) || + // (a?.b)(); (a?.())(); + (!node.optional && callee.type === "ChainExpression") + ) + ) { + report(node.callee); + } + } + node.arguments + .filter(arg => + hasExcessParensWithPrecedence( + arg, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ), + ) + .forEach(report); + } + + /** + * Evaluate binary logicals + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkBinaryLogical(node) { + const prec = precedence(node); + const leftPrecedence = precedence(node.left); + const rightPrecedence = precedence(node.right); + const isExponentiation = node.operator === "**"; + const shouldSkipLeft = + NESTED_BINARY && + (node.left.type === "BinaryExpression" || + node.left.type === "LogicalExpression"); + const shouldSkipRight = + NESTED_BINARY && + (node.right.type === "BinaryExpression" || + node.right.type === "LogicalExpression"); + + if (!shouldSkipLeft && hasExcessParens(node.left)) { + if ( + (!( + ["AwaitExpression", "UnaryExpression"].includes( + node.left.type, + ) && isExponentiation + ) && + !astUtils.isMixedLogicalAndCoalesceExpressions( + node.left, + node, + ) && + (leftPrecedence > prec || + (leftPrecedence === prec && !isExponentiation))) || + isParenthesisedTwice(node.left) + ) { + report(node.left); + } + } + + if (!shouldSkipRight && hasExcessParens(node.right)) { + if ( + (!astUtils.isMixedLogicalAndCoalesceExpressions( + node.right, + node, + ) && + (rightPrecedence > prec || + (rightPrecedence === prec && isExponentiation))) || + isParenthesisedTwice(node.right) + ) { + report(node.right); + } + } + } + + /** + * Check the parentheses around the super class of the given class definition. + * @param {ASTNode} node The node of class declarations to check. + * @returns {void} + */ + function checkClass(node) { + if (!node.superClass) { + return; + } + + /* + * If `node.superClass` is a LeftHandSideExpression, parentheses are extra. + * Otherwise, parentheses are needed. + */ + const hasExtraParens = + precedence(node.superClass) > PRECEDENCE_OF_UPDATE_EXPR + ? hasExcessParens(node.superClass) + : hasDoubleExcessParens(node.superClass); + + if (hasExtraParens) { + report(node.superClass); + } + } + + /** + * Check the parentheses around the argument of the given spread operator. + * @param {ASTNode} node The node of spread elements/properties to check. + * @returns {void} + */ + function checkSpreadOperator(node) { + if ( + hasExcessParensWithPrecedence( + node.argument, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) + ) { + report(node.argument); + } + } + + /** + * Checks the parentheses for an ExpressionStatement or ExportDefaultDeclaration + * @param {ASTNode} node The ExpressionStatement.expression or ExportDefaultDeclaration.declaration node + * @returns {void} + */ + function checkExpressionOrExportStatement(node) { + const firstToken = isParenthesised(node) + ? sourceCode.getTokenBefore(node) + : sourceCode.getFirstToken(node); + const secondToken = sourceCode.getTokenAfter( + firstToken, + astUtils.isNotOpeningParenToken, + ); + const thirdToken = secondToken + ? sourceCode.getTokenAfter(secondToken) + : null; + const tokenAfterClosingParens = secondToken + ? sourceCode.getTokenAfter( + secondToken, + astUtils.isNotClosingParenToken, + ) + : null; + + if ( + astUtils.isOpeningParenToken(firstToken) && + (astUtils.isOpeningBraceToken(secondToken) || + (secondToken.type === "Keyword" && + (secondToken.value === "function" || + secondToken.value === "class" || + (secondToken.value === "let" && + tokenAfterClosingParens && + (astUtils.isOpeningBracketToken( + tokenAfterClosingParens, + ) || + tokenAfterClosingParens.type === + "Identifier")))) || + (secondToken && + secondToken.type === "Identifier" && + secondToken.value === "async" && + thirdToken && + thirdToken.type === "Keyword" && + thirdToken.value === "function")) + ) { + tokensToIgnore.add(secondToken); + } + + const hasExtraParens = + node.parent.type === "ExportDefaultDeclaration" + ? hasExcessParensWithPrecedence( + node, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) + : hasExcessParens(node); + + if (hasExtraParens) { + report(node); + } + } + + /** + * Finds the path from the given node to the specified ancestor. + * @param {ASTNode} node First node in the path. + * @param {ASTNode} ancestor Last node in the path. + * @returns {ASTNode[]} Path, including both nodes. + * @throws {Error} If the given node does not have the specified ancestor. + */ + function pathToAncestor(node, ancestor) { + const path = [node]; + let currentNode = node; + + while (currentNode !== ancestor) { + currentNode = currentNode.parent; + + /* c8 ignore start */ + if (currentNode === null) { + throw new Error( + "Nodes are not in the ancestor-descendant relationship.", + ); + } /* c8 ignore stop */ + + path.push(currentNode); + } + + return path; + } + + /** + * Finds the path from the given node to the specified descendant. + * @param {ASTNode} node First node in the path. + * @param {ASTNode} descendant Last node in the path. + * @returns {ASTNode[]} Path, including both nodes. + * @throws {Error} If the given node does not have the specified descendant. + */ + function pathToDescendant(node, descendant) { + return pathToAncestor(descendant, node).reverse(); + } + + /** + * Checks whether the syntax of the given ancestor of an 'in' expression inside a for-loop initializer + * is preventing the 'in' keyword from being interpreted as a part of an ill-formed for-in loop. + * @param {ASTNode} node Ancestor of an 'in' expression. + * @param {ASTNode} child Child of the node, ancestor of the same 'in' expression or the 'in' expression itself. + * @returns {boolean} True if the keyword 'in' would be interpreted as the 'in' operator, without any parenthesis. + */ + function isSafelyEnclosingInExpression(node, child) { + switch (node.type) { + case "ArrayExpression": + case "ArrayPattern": + case "BlockStatement": + case "ObjectExpression": + case "ObjectPattern": + case "TemplateLiteral": + return true; + case "ArrowFunctionExpression": + case "FunctionExpression": + return node.params.includes(child); + case "CallExpression": + case "NewExpression": + return node.arguments.includes(child); + case "MemberExpression": + return node.computed && node.property === child; + case "ConditionalExpression": + return node.consequent === child; + default: + return false; + } + } + + /** + * Starts a new reports buffering. Warnings will be stored in a buffer instead of being reported immediately. + * An additional logic that requires multiple nodes (e.g. a whole subtree) may dismiss some of the stored warnings. + * @returns {void} + */ + function startNewReportsBuffering() { + reportsBuffer = { + upper: reportsBuffer, + inExpressionNodes: [], + reports: [], + }; + } + + /** + * Ends the current reports buffering. + * @returns {void} + */ + function endCurrentReportsBuffering() { + const { upper, inExpressionNodes, reports } = reportsBuffer; + + if (upper) { + upper.inExpressionNodes.push(...inExpressionNodes); + upper.reports.push(...reports); + } else { + // flush remaining reports + reports.forEach(({ finishReport }) => finishReport()); + } + + reportsBuffer = upper; + } + + /** + * Checks whether the given node is in the current reports buffer. + * @param {ASTNode} node Node to check. + * @returns {boolean} True if the node is in the current buffer, false otherwise. + */ + function isInCurrentReportsBuffer(node) { + return reportsBuffer.reports.some(r => r.node === node); + } + + /** + * Removes the given node from the current reports buffer. + * @param {ASTNode} node Node to remove. + * @returns {void} + */ + function removeFromCurrentReportsBuffer(node) { + reportsBuffer.reports = reportsBuffer.reports.filter( + r => r.node !== node, + ); + } + + /** + * Checks whether a node is a MemberExpression at NewExpression's callee. + * @param {ASTNode} node node to check. + * @returns {boolean} True if the node is a MemberExpression at NewExpression's callee. false otherwise. + */ + function isMemberExpInNewCallee(node) { + if (node.type === "MemberExpression") { + return node.parent.type === "NewExpression" && + node.parent.callee === node + ? true + : node.parent.object === node && + isMemberExpInNewCallee(node.parent); + } + return false; + } + + /** + * Checks if the left-hand side of an assignment is an identifier, the operator is one of + * `=`, `&&=`, `||=` or `??=` and the right-hand side is an anonymous class or function. + * + * As per https://tc39.es/ecma262/#sec-assignment-operators-runtime-semantics-evaluation, an + * assignment involving one of the operators `=`, `&&=`, `||=` or `??=` where the right-hand + * side is an anonymous class or function and the left-hand side is an *unparenthesized* + * identifier has different semantics than other assignments. + * Specifically, when an expression like `foo = function () {}` is evaluated, `foo.name` + * will be set to the string "foo", i.e. the identifier name. The same thing does not happen + * when evaluating `(foo) = function () {}`. + * Since the parenthesizing of the identifier in the left-hand side is significant in this + * special case, the parentheses, if present, should not be flagged as unnecessary. + * @param {ASTNode} node an AssignmentExpression node. + * @returns {boolean} `true` if the left-hand side of the assignment is an identifier, the + * operator is one of `=`, `&&=`, `||=` or `??=` and the right-hand side is an anonymous + * class or function; otherwise, `false`. + */ + function isAnonymousFunctionAssignmentException({ + left, + operator, + right, + }) { + if ( + left.type === "Identifier" && + ["=", "&&=", "||=", "??="].includes(operator) + ) { + const rhsType = right.type; + + if (rhsType === "ArrowFunctionExpression") { + return true; + } + if ( + (rhsType === "FunctionExpression" || + rhsType === "ClassExpression") && + !right.id + ) { + return true; + } + } + return false; + } + + return { + ArrayExpression(node) { + node.elements + .filter( + e => + e && + hasExcessParensWithPrecedence( + e, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ), + ) + .forEach(report); + }, + + ArrayPattern(node) { + node.elements + .filter(e => canBeAssignmentTarget(e) && hasExcessParens(e)) + .forEach(report); + }, + + ArrowFunctionExpression(node) { + if (isReturnAssignException(node)) { + return; + } + + if ( + node.body.type === "ConditionalExpression" && + IGNORE_ARROW_CONDITIONALS + ) { + return; + } + + if (node.body.type !== "BlockStatement") { + const firstBodyToken = sourceCode.getFirstToken( + node.body, + astUtils.isNotOpeningParenToken, + ); + const tokenBeforeFirst = + sourceCode.getTokenBefore(firstBodyToken); + + if ( + astUtils.isOpeningParenToken(tokenBeforeFirst) && + astUtils.isOpeningBraceToken(firstBodyToken) + ) { + tokensToIgnore.add(firstBodyToken); + } + if ( + hasExcessParensWithPrecedence( + node.body, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) + ) { + report(node.body); + } + } + }, + + AssignmentExpression(node) { + if ( + canBeAssignmentTarget(node.left) && + hasExcessParens(node.left) && + (!isAnonymousFunctionAssignmentException(node) || + isParenthesisedTwice(node.left)) + ) { + report(node.left); + } + + if ( + !isReturnAssignException(node) && + hasExcessParensWithPrecedence(node.right, precedence(node)) + ) { + report(node.right); + } + }, + + BinaryExpression(node) { + if (reportsBuffer && node.operator === "in") { + reportsBuffer.inExpressionNodes.push(node); + } + + checkBinaryLogical(node); + }, + + CallExpression: checkCallNew, + + ConditionalExpression(node) { + if (isReturnAssignException(node)) { + return; + } + + const availableTypes = new Set([ + "BinaryExpression", + "LogicalExpression", + ]); + + if ( + !( + EXCEPT_COND_TERNARY && + availableTypes.has(node.test.type) + ) && + !isCondAssignException(node) && + hasExcessParensWithPrecedence( + node.test, + precedence({ + type: "LogicalExpression", + operator: "||", + }), + ) + ) { + report(node.test); + } + + if ( + !( + EXCEPT_COND_TERNARY && + availableTypes.has(node.consequent.type) + ) && + hasExcessParensWithPrecedence( + node.consequent, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) + ) { + report(node.consequent); + } + + if ( + !( + EXCEPT_COND_TERNARY && + availableTypes.has(node.alternate.type) + ) && + hasExcessParensWithPrecedence( + node.alternate, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) + ) { + report(node.alternate); + } + }, + + DoWhileStatement(node) { + if ( + hasExcessParens(node.test) && + !isCondAssignException(node) + ) { + report(node.test); + } + }, + + ExportDefaultDeclaration: node => + checkExpressionOrExportStatement(node.declaration), + ExpressionStatement: node => + checkExpressionOrExportStatement(node.expression), + + ForInStatement(node) { + if (node.left.type !== "VariableDeclaration") { + const firstLeftToken = sourceCode.getFirstToken( + node.left, + astUtils.isNotOpeningParenToken, + ); + + if ( + firstLeftToken.value === "let" && + astUtils.isOpeningBracketToken( + sourceCode.getTokenAfter( + firstLeftToken, + astUtils.isNotClosingParenToken, + ), + ) + ) { + // ForInStatement#left expression cannot start with `let[`. + tokensToIgnore.add(firstLeftToken); + } + } + + if (hasExcessParens(node.left)) { + report(node.left); + } + + if (hasExcessParens(node.right)) { + report(node.right); + } + }, + + ForOfStatement(node) { + if (node.left.type !== "VariableDeclaration") { + const firstLeftToken = sourceCode.getFirstToken( + node.left, + astUtils.isNotOpeningParenToken, + ); + + if (firstLeftToken.value === "let") { + // ForOfStatement#left expression cannot start with `let`. + tokensToIgnore.add(firstLeftToken); + } + } + + if (hasExcessParens(node.left)) { + report(node.left); + } + + if ( + hasExcessParensWithPrecedence( + node.right, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) + ) { + report(node.right); + } + }, + + ForStatement(node) { + if ( + node.test && + hasExcessParens(node.test) && + !isCondAssignException(node) + ) { + report(node.test); + } + + if (node.update && hasExcessParens(node.update)) { + report(node.update); + } + + if (node.init) { + if (node.init.type !== "VariableDeclaration") { + const firstToken = sourceCode.getFirstToken( + node.init, + astUtils.isNotOpeningParenToken, + ); + + if ( + firstToken.value === "let" && + astUtils.isOpeningBracketToken( + sourceCode.getTokenAfter( + firstToken, + astUtils.isNotClosingParenToken, + ), + ) + ) { + // ForStatement#init expression cannot start with `let[`. + tokensToIgnore.add(firstToken); + } + } + + startNewReportsBuffering(); + + if (hasExcessParens(node.init)) { + report(node.init); + } + } + }, + + "ForStatement > *.init:exit"(node) { + /* + * Removing parentheses around `in` expressions might change semantics and cause errors. + * + * For example, this valid for loop: + * for (let a = (b in c); ;); + * after removing parentheses would be treated as an invalid for-in loop: + * for (let a = b in c; ;); + */ + + if (reportsBuffer.reports.length) { + reportsBuffer.inExpressionNodes.forEach( + inExpressionNode => { + const path = pathToDescendant( + node, + inExpressionNode, + ); + let nodeToExclude; + + for (let i = 0; i < path.length; i++) { + const pathNode = path[i]; + + if (i < path.length - 1) { + const nextPathNode = path[i + 1]; + + if ( + isSafelyEnclosingInExpression( + pathNode, + nextPathNode, + ) + ) { + // The 'in' expression in safely enclosed by the syntax of its ancestor nodes (e.g. by '{}' or '[]'). + return; + } + } + + if (isParenthesised(pathNode)) { + if (isInCurrentReportsBuffer(pathNode)) { + // This node was supposed to be reported, but parentheses might be necessary. + + if (isParenthesisedTwice(pathNode)) { + /* + * This node is parenthesised twice, it certainly has at least one pair of `extra` parentheses. + * If the --fix option is on, the current fixing iteration will remove only one pair of parentheses. + * The remaining pair is safely enclosing the 'in' expression. + */ + return; + } + + // Exclude the outermost node only. + if (!nodeToExclude) { + nodeToExclude = pathNode; + } + + // Don't break the loop here, there might be some safe nodes or parentheses that will stay inside. + } else { + // This node will stay parenthesised, the 'in' expression in safely enclosed by '()'. + return; + } + } + } + + // Exclude the node from the list (i.e. treat parentheses as necessary) + removeFromCurrentReportsBuffer(nodeToExclude); + }, + ); + } + + endCurrentReportsBuffering(); + }, + + IfStatement(node) { + if ( + hasExcessParens(node.test) && + !isCondAssignException(node) + ) { + report(node.test); + } + }, + + ImportExpression(node) { + const { source } = node; + + if (source.type === "SequenceExpression") { + if (hasDoubleExcessParens(source)) { + report(source); + } + } else if (hasExcessParens(source)) { + report(source); + } + }, + + LogicalExpression: checkBinaryLogical, + + MemberExpression(node) { + const shouldAllowWrapOnce = + isMemberExpInNewCallee(node) && + doesMemberExpressionContainCallExpression(node); + const nodeObjHasExcessParens = shouldAllowWrapOnce + ? hasDoubleExcessParens(node.object) + : hasExcessParens(node.object) && + !( + isImmediateFunctionPrototypeMethodCall( + node.parent, + ) && + node.parent.callee === node && + IGNORE_FUNCTION_PROTOTYPE_METHODS + ); + + if ( + nodeObjHasExcessParens && + precedence(node.object) >= precedence(node) && + (node.computed || + !( + astUtils.isDecimalInteger(node.object) || + // RegExp literal is allowed to have parens (#1589) + (node.object.type === "Literal" && + node.object.regex) + )) + ) { + report(node.object); + } + + if ( + nodeObjHasExcessParens && + node.object.type === "CallExpression" + ) { + report(node.object); + } + + if ( + nodeObjHasExcessParens && + !IGNORE_NEW_IN_MEMBER_EXPR && + node.object.type === "NewExpression" && + isNewExpressionWithParens(node.object) + ) { + report(node.object); + } + + if ( + nodeObjHasExcessParens && + node.optional && + node.object.type === "ChainExpression" + ) { + report(node.object); + } + + if (node.computed && hasExcessParens(node.property)) { + report(node.property); + } + }, + + "MethodDefinition[computed=true]"(node) { + if ( + hasExcessParensWithPrecedence( + node.key, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) + ) { + report(node.key); + } + }, + + NewExpression: checkCallNew, + + ObjectExpression(node) { + node.properties + .filter( + property => + property.value && + hasExcessParensWithPrecedence( + property.value, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ), + ) + .forEach(property => report(property.value)); + }, + + ObjectPattern(node) { + node.properties + .filter(property => { + const value = property.value; + + return ( + canBeAssignmentTarget(value) && + hasExcessParens(value) + ); + }) + .forEach(property => report(property.value)); + }, + + Property(node) { + if (node.computed) { + const { key } = node; + + if ( + key && + hasExcessParensWithPrecedence( + key, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) + ) { + report(key); + } + } + }, + + PropertyDefinition(node) { + if ( + node.computed && + hasExcessParensWithPrecedence( + node.key, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) + ) { + report(node.key); + } + + if ( + node.value && + hasExcessParensWithPrecedence( + node.value, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) + ) { + report(node.value); + } + }, + + RestElement(node) { + const argument = node.argument; + + if ( + canBeAssignmentTarget(argument) && + hasExcessParens(argument) + ) { + report(argument); + } + }, + + ReturnStatement(node) { + const returnToken = sourceCode.getFirstToken(node); + + if (isReturnAssignException(node)) { + return; + } + + if ( + node.argument && + hasExcessParensNoLineTerminator( + returnToken, + node.argument, + ) && + // RegExp literal is allowed to have parens (#1589) + !(node.argument.type === "Literal" && node.argument.regex) + ) { + report(node.argument); + } + }, + + SequenceExpression(node) { + const precedenceOfNode = precedence(node); + + node.expressions + .filter(e => + hasExcessParensWithPrecedence(e, precedenceOfNode), + ) + .forEach(report); + }, + + SwitchCase(node) { + if (node.test && hasExcessParens(node.test)) { + report(node.test); + } + }, + + SwitchStatement(node) { + if (hasExcessParens(node.discriminant)) { + report(node.discriminant); + } + }, + + ThrowStatement(node) { + const throwToken = sourceCode.getFirstToken(node); + + if ( + hasExcessParensNoLineTerminator(throwToken, node.argument) + ) { + report(node.argument); + } + }, + + UnaryExpression: checkArgumentWithPrecedence, + UpdateExpression(node) { + if (node.prefix) { + checkArgumentWithPrecedence(node); + } else { + const { argument } = node; + const operatorToken = sourceCode.getLastToken(node); + + if ( + argument.loc.end.line === operatorToken.loc.start.line + ) { + checkArgumentWithPrecedence(node); + } else { + if (hasDoubleExcessParens(argument)) { + report(argument); + } + } + } + }, + AwaitExpression: checkArgumentWithPrecedence, + + VariableDeclarator(node) { + if ( + node.init && + hasExcessParensWithPrecedence( + node.init, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) && + // RegExp literal is allowed to have parens (#1589) + !(node.init.type === "Literal" && node.init.regex) + ) { + report(node.init); + } + }, + + WhileStatement(node) { + if ( + hasExcessParens(node.test) && + !isCondAssignException(node) + ) { + report(node.test); + } + }, + + WithStatement(node) { + if (hasExcessParens(node.object)) { + report(node.object); + } + }, + + YieldExpression(node) { + if (node.argument) { + const yieldToken = sourceCode.getFirstToken(node); + + if ( + (precedence(node.argument) >= precedence(node) && + hasExcessParensNoLineTerminator( + yieldToken, + node.argument, + )) || + hasDoubleExcessParens(node.argument) + ) { + report(node.argument); + } + } + }, + + ClassDeclaration: checkClass, + ClassExpression: checkClass, + + SpreadElement: checkSpreadOperator, + SpreadProperty: checkSpreadOperator, + ExperimentalSpreadProperty: checkSpreadOperator, + + TemplateLiteral(node) { + node.expressions + .filter(e => e && hasExcessParens(e)) + .forEach(report); + }, + + AssignmentPattern(node) { + const { left, right } = node; + + if (canBeAssignmentTarget(left) && hasExcessParens(left)) { + report(left); + } + + if ( + right && + hasExcessParensWithPrecedence( + right, + PRECEDENCE_OF_ASSIGNMENT_EXPR, + ) + ) { + report(right); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-extra-semi.js b/module/node_modules/eslint/lib/rules/no-extra-semi.js new file mode 100644 index 000000000..a408edaf9 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-extra-semi.js @@ -0,0 +1,167 @@ +/** + * @fileoverview Rule to flag use of unnecessary semicolons + * @author Nicholas C. Zakas + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const FixTracker = require("./utils/fix-tracker"); +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "no-extra-semi", + url: "https://eslint.style/rules/no-extra-semi", + }, + }, + ], + }, + type: "suggestion", + + docs: { + description: "Disallow unnecessary semicolons", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-extra-semi", + }, + + fixable: "code", + schema: [], + + messages: { + unexpected: "Unnecessary semicolon.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Checks if a node or token is fixable. + * A node is fixable if it can be removed without turning a subsequent statement into a directive after fixing other nodes. + * @param {Token} nodeOrToken The node or token to check. + * @returns {boolean} Whether or not the node is fixable. + */ + function isFixable(nodeOrToken) { + const nextToken = sourceCode.getTokenAfter(nodeOrToken); + + if (!nextToken || nextToken.type !== "String") { + return true; + } + const stringNode = sourceCode.getNodeByRangeIndex( + nextToken.range[0], + ); + + return !astUtils.isTopLevelExpressionStatement(stringNode.parent); + } + + /** + * Reports an unnecessary semicolon error. + * @param {Node|Token} nodeOrToken A node or a token to be reported. + * @returns {void} + */ + function report(nodeOrToken) { + context.report({ + node: nodeOrToken, + messageId: "unexpected", + fix: isFixable(nodeOrToken) + ? fixer => + /* + * Expand the replacement range to include the surrounding + * tokens to avoid conflicting with semi. + * https://github.com/eslint/eslint/issues/7928 + */ + new FixTracker(fixer, context.sourceCode) + .retainSurroundingTokens(nodeOrToken) + .remove(nodeOrToken) + : null, + }); + } + + /** + * Checks for a part of a class body. + * This checks tokens from a specified token to a next MethodDefinition or the end of class body. + * @param {Token} firstToken The first token to check. + * @returns {void} + */ + function checkForPartOfClassBody(firstToken) { + for ( + let token = firstToken; + token.type === "Punctuator" && + !astUtils.isClosingBraceToken(token); + token = sourceCode.getTokenAfter(token) + ) { + if (astUtils.isSemicolonToken(token)) { + report(token); + } + } + } + + return { + /** + * Reports this empty statement, except if the parent node is a loop. + * @param {Node} node A EmptyStatement node to be reported. + * @returns {void} + */ + EmptyStatement(node) { + const parent = node.parent, + allowedParentTypes = [ + "ForStatement", + "ForInStatement", + "ForOfStatement", + "WhileStatement", + "DoWhileStatement", + "IfStatement", + "LabeledStatement", + "WithStatement", + ]; + + if (!allowedParentTypes.includes(parent.type)) { + report(node); + } + }, + + /** + * Checks tokens from the head of this class body to the first MethodDefinition or the end of this class body. + * @param {Node} node A ClassBody node to check. + * @returns {void} + */ + ClassBody(node) { + checkForPartOfClassBody(sourceCode.getFirstToken(node, 1)); // 0 is `{`. + }, + + /** + * Checks tokens from this MethodDefinition to the next MethodDefinition or the end of this class body. + * @param {Node} node A MethodDefinition node of the start point. + * @returns {void} + */ + "MethodDefinition, PropertyDefinition, StaticBlock"(node) { + checkForPartOfClassBody(sourceCode.getTokenAfter(node)); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-fallthrough.js b/module/node_modules/eslint/lib/rules/no-fallthrough.js new file mode 100644 index 000000000..4dd210d7b --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-fallthrough.js @@ -0,0 +1,260 @@ +/** + * @fileoverview Rule to flag fall-through cases in switch statements. + * @author Matt DuVall + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { directivesPattern } = require("../shared/directives"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const DEFAULT_FALLTHROUGH_COMMENT = /falls?\s?through/iu; + +/** + * Checks all segments in a set and returns true if any are reachable. + * @param {Set} segments The segments to check. + * @returns {boolean} True if any segment is reachable; false otherwise. + */ +function isAnySegmentReachable(segments) { + for (const segment of segments) { + if (segment.reachable) { + return true; + } + } + + return false; +} + +/** + * Checks whether or not a given comment string is really a fallthrough comment and not an ESLint directive. + * @param {string} comment The comment string to check. + * @param {RegExp} fallthroughCommentPattern The regular expression used for checking for fallthrough comments. + * @returns {boolean} `true` if the comment string is truly a fallthrough comment. + */ +function isFallThroughComment(comment, fallthroughCommentPattern) { + return ( + fallthroughCommentPattern.test(comment) && + !directivesPattern.test(comment.trim()) + ); +} + +/** + * Checks whether or not a given case has a fallthrough comment. + * @param {ASTNode} caseWhichFallsThrough SwitchCase node which falls through. + * @param {ASTNode} subsequentCase The case after caseWhichFallsThrough. + * @param {RuleContext} context A rule context which stores comments. + * @param {RegExp} fallthroughCommentPattern A pattern to match comment to. + * @returns {null | object} the comment if the case has a valid fallthrough comment, otherwise null + */ +function getFallthroughComment( + caseWhichFallsThrough, + subsequentCase, + context, + fallthroughCommentPattern, +) { + const sourceCode = context.sourceCode; + + if ( + caseWhichFallsThrough.consequent.length === 1 && + caseWhichFallsThrough.consequent[0].type === "BlockStatement" + ) { + const trailingCloseBrace = sourceCode.getLastToken( + caseWhichFallsThrough.consequent[0], + ); + const commentInBlock = sourceCode + .getCommentsBefore(trailingCloseBrace) + .pop(); + + if ( + commentInBlock && + isFallThroughComment( + commentInBlock.value, + fallthroughCommentPattern, + ) + ) { + return commentInBlock; + } + } + + const comment = sourceCode.getCommentsBefore(subsequentCase).pop(); + + if ( + comment && + isFallThroughComment(comment.value, fallthroughCommentPattern) + ) { + return comment; + } + + return null; +} + +/** + * Checks whether a node and a token are separated by blank lines + * @param {ASTNode} node The node to check + * @param {Token} token The token to compare against + * @returns {boolean} `true` if there are blank lines between node and token + */ +function hasBlankLinesBetween(node, token) { + return token.loc.start.line > node.loc.end.line + 1; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + allowEmptyCase: false, + reportUnusedFallthroughComment: false, + }, + ], + + docs: { + description: "Disallow fallthrough of `case` statements", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-fallthrough", + }, + + schema: [ + { + type: "object", + properties: { + commentPattern: { + type: "string", + }, + allowEmptyCase: { + type: "boolean", + }, + reportUnusedFallthroughComment: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + messages: { + unusedFallthroughComment: + "Found a comment that would permit fallthrough, but case cannot fall through.", + case: "Expected a 'break' statement before 'case'.", + default: "Expected a 'break' statement before 'default'.", + }, + }, + + create(context) { + const codePathSegments = []; + let currentCodePathSegments = new Set(); + const sourceCode = context.sourceCode; + const [ + { allowEmptyCase, commentPattern, reportUnusedFallthroughComment }, + ] = context.options; + const fallthroughCommentPattern = commentPattern + ? new RegExp(commentPattern, "u") + : DEFAULT_FALLTHROUGH_COMMENT; + + /* + * We need to use leading comments of the next SwitchCase node because + * trailing comments is wrong if semicolons are omitted. + */ + let previousCase = null; + + return { + onCodePathStart() { + codePathSegments.push(currentCodePathSegments); + currentCodePathSegments = new Set(); + }, + + onCodePathEnd() { + currentCodePathSegments = codePathSegments.pop(); + }, + + onUnreachableCodePathSegmentStart(segment) { + currentCodePathSegments.add(segment); + }, + + onUnreachableCodePathSegmentEnd(segment) { + currentCodePathSegments.delete(segment); + }, + + onCodePathSegmentStart(segment) { + currentCodePathSegments.add(segment); + }, + + onCodePathSegmentEnd(segment) { + currentCodePathSegments.delete(segment); + }, + + SwitchCase(node) { + /* + * Checks whether or not there is a fallthrough comment. + * And reports the previous fallthrough node if that does not exist. + */ + + if (previousCase && previousCase.node.parent === node.parent) { + const previousCaseFallthroughComment = + getFallthroughComment( + previousCase.node, + node, + context, + fallthroughCommentPattern, + ); + + if ( + previousCase.isFallthrough && + !previousCaseFallthroughComment + ) { + context.report({ + messageId: node.test ? "case" : "default", + node, + }); + } else if ( + reportUnusedFallthroughComment && + !previousCase.isSwitchExitReachable && + previousCaseFallthroughComment + ) { + context.report({ + messageId: "unusedFallthroughComment", + node: previousCaseFallthroughComment, + }); + } + } + previousCase = null; + }, + + "SwitchCase:exit"(node) { + const nextToken = sourceCode.getTokenAfter(node); + + /* + * `reachable` meant fall through because statements preceded by + * `break`, `return`, or `throw` are unreachable. + * And allows empty cases and the last case. + */ + const isSwitchExitReachable = isAnySegmentReachable( + currentCodePathSegments, + ); + const isFallthrough = + isSwitchExitReachable && + (node.consequent.length > 0 || + (!allowEmptyCase && + hasBlankLinesBetween(node, nextToken))) && + node.parent.cases.at(-1) !== node; + + previousCase = { + node, + isSwitchExitReachable, + isFallthrough, + }; + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-floating-decimal.js b/module/node_modules/eslint/lib/rules/no-floating-decimal.js new file mode 100644 index 000000000..569be727e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-floating-decimal.js @@ -0,0 +1,99 @@ +/** + * @fileoverview Rule to flag use of a leading/trailing decimal point in a numeric literal + * @author James Allardice + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "no-floating-decimal", + url: "https://eslint.style/rules/no-floating-decimal", + }, + }, + ], + }, + type: "suggestion", + + docs: { + description: + "Disallow leading or trailing decimal points in numeric literals", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-floating-decimal", + }, + + schema: [], + fixable: "code", + messages: { + leading: "A leading decimal point can be confused with a dot.", + trailing: "A trailing decimal point can be confused with a dot.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + Literal(node) { + if (typeof node.value === "number") { + if (node.raw.startsWith(".")) { + context.report({ + node, + messageId: "leading", + fix(fixer) { + const tokenBefore = + sourceCode.getTokenBefore(node); + const needsSpaceBefore = + tokenBefore && + tokenBefore.range[1] === node.range[0] && + !astUtils.canTokensBeAdjacent( + tokenBefore, + `0${node.raw}`, + ); + + return fixer.insertTextBefore( + node, + needsSpaceBefore ? " 0" : "0", + ); + }, + }); + } + if (node.raw.indexOf(".") === node.raw.length - 1) { + context.report({ + node, + messageId: "trailing", + fix: fixer => fixer.insertTextAfter(node, "0"), + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-func-assign.js b/module/node_modules/eslint/lib/rules/no-func-assign.js new file mode 100644 index 000000000..a17d4b8e6 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-func-assign.js @@ -0,0 +1,77 @@ +/** + * @fileoverview Rule to flag use of function declaration identifiers as variables. + * @author Ian Christian Myers + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow reassigning `function` declarations", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-func-assign", + }, + + schema: [], + + messages: { + isAFunction: "'{{name}}' is a function.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Reports a reference if is non initializer and writable. + * @param {References} references Collection of reference to check. + * @returns {void} + */ + function checkReference(references) { + astUtils.getModifyingReferences(references).forEach(reference => { + context.report({ + node: reference.identifier, + messageId: "isAFunction", + data: { + name: reference.identifier.name, + }, + }); + }); + } + + /** + * Finds and reports references that are non initializer and writable. + * @param {Variable} variable A variable to check. + * @returns {void} + */ + function checkVariable(variable) { + if (variable.defs[0].type === "FunctionName") { + checkReference(variable.references); + } + } + + /** + * Checks parameters of a given function node. + * @param {ASTNode} node A function node to check. + * @returns {void} + */ + function checkForFunction(node) { + sourceCode.getDeclaredVariables(node).forEach(checkVariable); + } + + return { + FunctionDeclaration: checkForFunction, + FunctionExpression: checkForFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-global-assign.js b/module/node_modules/eslint/lib/rules/no-global-assign.js new file mode 100644 index 000000000..6f2384495 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-global-assign.js @@ -0,0 +1,101 @@ +/** + * @fileoverview Rule to disallow assignments to native objects or read-only global variables + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [{ exceptions: [] }], + + docs: { + description: + "Disallow assignments to native objects or read-only global variables", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-global-assign", + }, + + schema: [ + { + type: "object", + properties: { + exceptions: { + type: "array", + items: { type: "string" }, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + globalShouldNotBeModified: + "Read-only global '{{name}}' should not be modified.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const [{ exceptions }] = context.options; + + /** + * Reports write references. + * @param {Reference} reference A reference to check. + * @param {number} index The index of the reference in the references. + * @param {Reference[]} references The array that the reference belongs to. + * @returns {void} + */ + function checkReference(reference, index, references) { + const identifier = reference.identifier; + + if ( + reference.init === false && + reference.isWrite() && + /* + * Destructuring assignments can have multiple default value, + * so possibly there are multiple writeable references for the same identifier. + */ + (index === 0 || references[index - 1].identifier !== identifier) + ) { + context.report({ + node: identifier, + messageId: "globalShouldNotBeModified", + data: { + name: identifier.name, + }, + }); + } + } + + /** + * Reports write references if a given variable is read-only builtin. + * @param {Variable} variable A variable to check. + * @returns {void} + */ + function checkVariable(variable) { + if ( + variable.writeable === false && + !exceptions.includes(variable.name) + ) { + variable.references.forEach(checkReference); + } + } + + return { + Program(node) { + const globalScope = sourceCode.getScope(node); + + globalScope.variables.forEach(checkVariable); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-implicit-coercion.js b/module/node_modules/eslint/lib/rules/no-implicit-coercion.js new file mode 100644 index 000000000..fb6d6a8e9 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-implicit-coercion.js @@ -0,0 +1,468 @@ +/** + * @fileoverview A rule to disallow the type conversions with shorter notations. + * @author Toru Nagashima + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const INDEX_OF_PATTERN = /^(?:i|lastI)ndexOf$/u; +const ALLOWABLE_OPERATORS = ["~", "!!", "+", "- -", "-", "*"]; + +/** + * Checks whether or not a node is a double logical negating. + * @param {ASTNode} node An UnaryExpression node to check. + * @returns {boolean} Whether or not the node is a double logical negating. + */ +function isDoubleLogicalNegating(node) { + return ( + node.operator === "!" && + node.argument.type === "UnaryExpression" && + node.argument.operator === "!" + ); +} + +/** + * Checks whether or not a node is a binary negating of `.indexOf()` method calling. + * @param {ASTNode} node An UnaryExpression node to check. + * @returns {boolean} Whether or not the node is a binary negating of `.indexOf()` method calling. + */ +function isBinaryNegatingOfIndexOf(node) { + if (node.operator !== "~") { + return false; + } + const callNode = astUtils.skipChainExpression(node.argument); + + return ( + callNode.type === "CallExpression" && + astUtils.isSpecificMemberAccess(callNode.callee, null, INDEX_OF_PATTERN) + ); +} + +/** + * Checks whether or not a node is a multiplying by one. + * @param {BinaryExpression} node A BinaryExpression node to check. + * @returns {boolean} Whether or not the node is a multiplying by one. + */ +function isMultiplyByOne(node) { + return ( + node.operator === "*" && + ((node.left.type === "Literal" && node.left.value === 1) || + (node.right.type === "Literal" && node.right.value === 1)) + ); +} + +/** + * Checks whether the given node logically represents multiplication by a fraction of `1`. + * For example, `a * 1` in `a * 1 / b` is technically multiplication by `1`, but the + * whole expression can be logically interpreted as `a * (1 / b)` rather than `(a * 1) / b`. + * @param {BinaryExpression} node A BinaryExpression node to check. + * @param {SourceCode} sourceCode The source code object. + * @returns {boolean} Whether or not the node is a multiplying by a fraction of `1`. + */ +function isMultiplyByFractionOfOne(node, sourceCode) { + return ( + node.type === "BinaryExpression" && + node.operator === "*" && + node.right.type === "Literal" && + node.right.value === 1 && + node.parent.type === "BinaryExpression" && + node.parent.operator === "/" && + node.parent.left === node && + !astUtils.isParenthesised(sourceCode, node) + ); +} + +/** + * Checks whether the result of a node is numeric or not + * @param {ASTNode} node The node to test + * @returns {boolean} true if the node is a number literal or a `Number()`, `parseInt` or `parseFloat` call + */ +function isNumeric(node) { + return ( + (node.type === "Literal" && typeof node.value === "number") || + (node.type === "CallExpression" && + (node.callee.name === "Number" || + node.callee.name === "parseInt" || + node.callee.name === "parseFloat")) + ); +} + +/** + * Returns the first non-numeric operand in a BinaryExpression. Designed to be + * used from bottom to up since it walks up the BinaryExpression trees using + * node.parent to find the result. + * @param {BinaryExpression} node The BinaryExpression node to be walked up on + * @returns {ASTNode|null} The first non-numeric item in the BinaryExpression tree or null + */ +function getNonNumericOperand(node) { + const left = node.left, + right = node.right; + + if (right.type !== "BinaryExpression" && !isNumeric(right)) { + return right; + } + + if (left.type !== "BinaryExpression" && !isNumeric(left)) { + return left; + } + + return null; +} + +/** + * Checks whether an expression evaluates to a string. + * @param {ASTNode} node node that represents the expression to check. + * @returns {boolean} Whether or not the expression evaluates to a string. + */ +function isStringType(node) { + return ( + astUtils.isStringLiteral(node) || + (node.type === "CallExpression" && + node.callee.type === "Identifier" && + node.callee.name === "String") + ); +} + +/** + * Checks whether a node is an empty string literal or not. + * @param {ASTNode} node The node to check. + * @returns {boolean} Whether or not the passed in node is an + * empty string literal or not. + */ +function isEmptyString(node) { + return ( + astUtils.isStringLiteral(node) && + (node.value === "" || + (node.type === "TemplateLiteral" && + node.quasis.length === 1 && + node.quasis[0].value.cooked === "")) + ); +} + +/** + * Checks whether or not a node is a concatenating with an empty string. + * @param {ASTNode} node A BinaryExpression node to check. + * @returns {boolean} Whether or not the node is a concatenating with an empty string. + */ +function isConcatWithEmptyString(node) { + return ( + node.operator === "+" && + ((isEmptyString(node.left) && !isStringType(node.right)) || + (isEmptyString(node.right) && !isStringType(node.left))) + ); +} + +/** + * Checks whether or not a node is appended with an empty string. + * @param {ASTNode} node An AssignmentExpression node to check. + * @returns {boolean} Whether or not the node is appended with an empty string. + */ +function isAppendEmptyString(node) { + return node.operator === "+=" && isEmptyString(node.right); +} + +/** + * Returns the operand that is not an empty string from a flagged BinaryExpression. + * @param {ASTNode} node The flagged BinaryExpression node to check. + * @returns {ASTNode} The operand that is not an empty string from a flagged BinaryExpression. + */ +function getNonEmptyOperand(node) { + return isEmptyString(node.left) ? node.right : node.left; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + hasSuggestions: true, + type: "suggestion", + + docs: { + description: "Disallow shorthand type conversions", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-implicit-coercion", + }, + + fixable: "code", + + schema: [ + { + type: "object", + properties: { + boolean: { + type: "boolean", + }, + number: { + type: "boolean", + }, + string: { + type: "boolean", + }, + disallowTemplateShorthand: { + type: "boolean", + }, + allow: { + type: "array", + items: { + enum: ALLOWABLE_OPERATORS, + }, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + + defaultOptions: [ + { + allow: [], + boolean: true, + disallowTemplateShorthand: false, + number: true, + string: true, + }, + ], + + messages: { + implicitCoercion: + "Unexpected implicit coercion encountered. Use `{{recommendation}}` instead.", + useRecommendation: "Use `{{recommendation}}` instead.", + }, + }, + + create(context) { + const [options] = context.options; + const sourceCode = context.sourceCode; + + /** + * Reports an error and autofixes the node + * @param {ASTNode} node An ast node to report the error on. + * @param {string} recommendation The recommended code for the issue + * @param {bool} shouldSuggest Whether this report should offer a suggestion + * @param {bool} shouldFix Whether this report should fix the node + * @returns {void} + */ + function report(node, recommendation, shouldSuggest, shouldFix) { + /** + * Fix function + * @param {RuleFixer} fixer The fixer to fix. + * @returns {Fix} The fix object. + */ + function fix(fixer) { + const tokenBefore = sourceCode.getTokenBefore(node); + + if ( + tokenBefore?.range[1] === node.range[0] && + !astUtils.canTokensBeAdjacent(tokenBefore, recommendation) + ) { + return fixer.replaceText(node, ` ${recommendation}`); + } + + return fixer.replaceText(node, recommendation); + } + + context.report({ + node, + messageId: "implicitCoercion", + data: { recommendation }, + fix(fixer) { + if (!shouldFix) { + return null; + } + + return fix(fixer); + }, + suggest: [ + { + messageId: "useRecommendation", + data: { recommendation }, + fix(fixer) { + if (shouldFix || !shouldSuggest) { + return null; + } + + return fix(fixer); + }, + }, + ], + }); + } + + return { + UnaryExpression(node) { + let operatorAllowed; + + // !!foo + operatorAllowed = options.allow.includes("!!"); + if ( + !operatorAllowed && + options.boolean && + isDoubleLogicalNegating(node) + ) { + const recommendation = `Boolean(${sourceCode.getText(node.argument.argument)})`; + const variable = astUtils.getVariableByName( + sourceCode.getScope(node), + "Boolean", + ); + const booleanExists = variable?.identifiers.length === 0; + + report(node, recommendation, true, booleanExists); + } + + // ~foo.indexOf(bar) + operatorAllowed = options.allow.includes("~"); + if ( + !operatorAllowed && + options.boolean && + isBinaryNegatingOfIndexOf(node) + ) { + // `foo?.indexOf(bar) !== -1` will be true (== found) if the `foo` is nullish. So use `>= 0` in that case. + const comparison = + node.argument.type === "ChainExpression" + ? ">= 0" + : "!== -1"; + const recommendation = `${sourceCode.getText(node.argument)} ${comparison}`; + + report(node, recommendation, false, false); + } + + // +foo + operatorAllowed = options.allow.includes("+"); + if ( + !operatorAllowed && + options.number && + node.operator === "+" && + !isNumeric(node.argument) + ) { + const recommendation = `Number(${sourceCode.getText(node.argument)})`; + + report(node, recommendation, true, false); + } + + // -(-foo) + operatorAllowed = options.allow.includes("- -"); + if ( + !operatorAllowed && + options.number && + node.operator === "-" && + node.argument.type === "UnaryExpression" && + node.argument.operator === "-" && + !isNumeric(node.argument.argument) + ) { + const recommendation = `Number(${sourceCode.getText(node.argument.argument)})`; + + report(node, recommendation, true, false); + } + }, + + // Use `:exit` to prevent double reporting + "BinaryExpression:exit"(node) { + let operatorAllowed; + + // 1 * foo + operatorAllowed = options.allow.includes("*"); + const nonNumericOperand = + !operatorAllowed && + options.number && + isMultiplyByOne(node) && + !isMultiplyByFractionOfOne(node, sourceCode) && + getNonNumericOperand(node); + + if (nonNumericOperand) { + const recommendation = `Number(${sourceCode.getText(nonNumericOperand)})`; + + report(node, recommendation, true, false); + } + + // foo - 0 + operatorAllowed = options.allow.includes("-"); + if ( + !operatorAllowed && + options.number && + node.operator === "-" && + node.right.type === "Literal" && + node.right.value === 0 && + !isNumeric(node.left) + ) { + const recommendation = `Number(${sourceCode.getText(node.left)})`; + + report(node, recommendation, true, false); + } + + // "" + foo + operatorAllowed = options.allow.includes("+"); + if ( + !operatorAllowed && + options.string && + isConcatWithEmptyString(node) + ) { + const recommendation = `String(${sourceCode.getText(getNonEmptyOperand(node))})`; + + report(node, recommendation, true, false); + } + }, + + AssignmentExpression(node) { + // foo += "" + const operatorAllowed = options.allow.includes("+"); + + if ( + !operatorAllowed && + options.string && + isAppendEmptyString(node) + ) { + const code = sourceCode.getText(getNonEmptyOperand(node)); + const recommendation = `${code} = String(${code})`; + + report(node, recommendation, true, false); + } + }, + + TemplateLiteral(node) { + if (!options.disallowTemplateShorthand) { + return; + } + + // tag`${foo}` + if (node.parent.type === "TaggedTemplateExpression") { + return; + } + + // `` or `${foo}${bar}` + if (node.expressions.length !== 1) { + return; + } + + // `prefix${foo}` + if (node.quasis[0].value.cooked !== "") { + return; + } + + // `${foo}postfix` + if (node.quasis[1].value.cooked !== "") { + return; + } + + // if the expression is already a string, then this isn't a coercion + if (isStringType(node.expressions[0])) { + return; + } + + const code = sourceCode.getText(node.expressions[0]); + const recommendation = `String(${code})`; + + report(node, recommendation, true, false); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-implicit-globals.js b/module/node_modules/eslint/lib/rules/no-implicit-globals.js new file mode 100644 index 000000000..c291cd86b --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-implicit-globals.js @@ -0,0 +1,187 @@ +/** + * @fileoverview Rule to check for implicit global variables, functions and classes. + * @author Joshua Peek + */ + +"use strict"; + +const ASSIGNMENT_NODES = new Set([ + "AssignmentExpression", + "ForInStatement", + "ForOfStatement", +]); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + lexicalBindings: false, + }, + ], + + docs: { + description: "Disallow declarations in the global scope", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-implicit-globals", + }, + + schema: [ + { + type: "object", + properties: { + lexicalBindings: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + globalNonLexicalBinding: + "Unexpected {{kind}} declaration in the global scope, wrap in an IIFE for a local variable, assign as global property for a global variable.", + globalLexicalBinding: + "Unexpected {{kind}} declaration in the global scope, wrap in a block or in an IIFE.", + globalVariableLeak: + "Global variable leak, declare the variable if it is intended to be local.", + assignmentToReadonlyGlobal: + "Unexpected assignment to read-only global variable.", + redeclarationOfReadonlyGlobal: + "Unexpected redeclaration of read-only global variable.", + }, + }, + + create(context) { + const [{ lexicalBindings: checkLexicalBindings }] = context.options; + const sourceCode = context.sourceCode; + + /** + * Reports the node. + * @param {ASTNode} node Node to report. + * @param {string} messageId Id of the message to report. + * @param {string|undefined} kind Declaration kind, can be 'var', 'const', 'let', function or class. + * @returns {void} + */ + function report(node, messageId, kind) { + context.report({ + node, + messageId, + data: { + kind, + }, + }); + } + + return { + Program(node) { + const scope = sourceCode.getScope(node); + + scope.variables.forEach(variable => { + // Only ESLint global variables have the `writable` key. + const isReadonlyEslintGlobalVariable = + variable.writeable === false; + const isWritableEslintGlobalVariable = + variable.writeable === true; + + if (isWritableEslintGlobalVariable) { + // Everything is allowed with writable ESLint global variables. + return; + } + + // Variables exported by "exported" block comments + if (variable.eslintExported) { + return; + } + + variable.defs.forEach(def => { + const defNode = def.node; + + if ( + def.type === "FunctionName" || + (def.type === "Variable" && + def.parent.kind === "var") + ) { + if (isReadonlyEslintGlobalVariable) { + report( + defNode, + "redeclarationOfReadonlyGlobal", + ); + } else { + report( + defNode, + "globalNonLexicalBinding", + def.type === "FunctionName" + ? "function" + : `'${def.parent.kind}'`, + ); + } + } + + if (checkLexicalBindings) { + if ( + def.type === "ClassName" || + (def.type === "Variable" && + (def.parent.kind === "let" || + def.parent.kind === "const")) + ) { + if (isReadonlyEslintGlobalVariable) { + report( + defNode, + "redeclarationOfReadonlyGlobal", + ); + } else { + report( + defNode, + "globalLexicalBinding", + def.type === "ClassName" + ? "class" + : `'${def.parent.kind}'`, + ); + } + } + } + }); + + if ( + isReadonlyEslintGlobalVariable && + variable.defs.length === 0 + ) { + variable.references.forEach(reference => { + if (reference.isWrite() && !reference.isRead()) { + let assignmentParent = + reference.identifier.parent; + + while ( + assignmentParent && + !ASSIGNMENT_NODES.has(assignmentParent.type) + ) { + assignmentParent = assignmentParent.parent; + } + + report( + assignmentParent ?? reference.identifier, + "assignmentToReadonlyGlobal", + ); + } + }); + } + }); + + // Undeclared assigned variables. + scope.implicit.variables.forEach(variable => { + // def.node is an AssignmentExpression, ForInStatement or ForOfStatement. + variable.defs.forEach(def => { + report(def.node, "globalVariableLeak"); + }); + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-implied-eval.js b/module/node_modules/eslint/lib/rules/no-implied-eval.js new file mode 100644 index 000000000..7757d5a73 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-implied-eval.js @@ -0,0 +1,170 @@ +/** + * @fileoverview Rule to flag use of implied eval via setTimeout and setInterval + * @author James Allardice + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const { getStaticValue } = require("@eslint-community/eslint-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow the use of `eval()`-like methods", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-implied-eval", + }, + + schema: [], + + messages: { + impliedEval: + "Implied eval. Consider passing a function instead of a string.", + execScript: "Implied eval. Do not use execScript().", + }, + }, + + create(context) { + const GLOBAL_CANDIDATES = Object.freeze([ + "global", + "window", + "globalThis", + ]); + const EVAL_LIKE_FUNC_PATTERN = + /^(?:set(?:Interval|Timeout)|execScript)$/u; + const sourceCode = context.sourceCode; + + /** + * Checks whether a node is evaluated as a string or not. + * @param {ASTNode} node A node to check. + * @returns {boolean} True if the node is evaluated as a string. + */ + function isEvaluatedString(node) { + if ( + (node.type === "Literal" && typeof node.value === "string") || + node.type === "TemplateLiteral" + ) { + return true; + } + if (node.type === "BinaryExpression" && node.operator === "+") { + return ( + isEvaluatedString(node.left) || + isEvaluatedString(node.right) + ); + } + return false; + } + + /** + * Reports if the `CallExpression` node has evaluated argument. + * @param {ASTNode} node A CallExpression to check. + * @returns {void} + */ + function reportImpliedEvalCallExpression(node) { + const [firstArgument] = node.arguments; + + if (firstArgument) { + const staticValue = getStaticValue( + firstArgument, + sourceCode.getScope(node), + ); + const isStaticString = + staticValue && typeof staticValue.value === "string"; + const isString = + isStaticString || isEvaluatedString(firstArgument); + + if (isString) { + const calleeName = + node.callee.type === "Identifier" + ? node.callee.name + : astUtils.getStaticPropertyName(node.callee); + const isExecScript = calleeName === "execScript"; + context.report({ + node, + messageId: isExecScript ? "execScript" : "impliedEval", + }); + } + } + } + + /** + * Reports calls of `implied eval` via the global references. + * @param {Variable} globalVar A global variable to check. + * @returns {void} + */ + function reportImpliedEvalViaGlobal(globalVar) { + const { references, name } = globalVar; + + references.forEach(ref => { + const identifier = ref.identifier; + let node = identifier.parent; + + while (astUtils.isSpecificMemberAccess(node, null, name)) { + node = node.parent; + } + + if ( + astUtils.isSpecificMemberAccess( + node, + null, + EVAL_LIKE_FUNC_PATTERN, + ) + ) { + const calleeNode = + node.parent.type === "ChainExpression" + ? node.parent + : node; + const parent = calleeNode.parent; + + if ( + parent.type === "CallExpression" && + parent.callee === calleeNode + ) { + reportImpliedEvalCallExpression(parent); + } + } + }); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + CallExpression(node) { + if ( + astUtils.isSpecificId( + node.callee, + EVAL_LIKE_FUNC_PATTERN, + ) && + sourceCode.isGlobalReference(node.callee) + ) { + reportImpliedEvalCallExpression(node); + } + }, + "Program:exit"(node) { + const globalScope = sourceCode.getScope(node); + + GLOBAL_CANDIDATES.map(candidate => + astUtils.getVariableByName(globalScope, candidate), + ) + .filter( + globalVar => !!globalVar && globalVar.defs.length === 0, + ) + .forEach(reportImpliedEvalViaGlobal); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-import-assign.js b/module/node_modules/eslint/lib/rules/no-import-assign.js new file mode 100644 index 000000000..7fe526b66 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-import-assign.js @@ -0,0 +1,227 @@ +/** + * @fileoverview Rule to flag updates of imported bindings. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const { findVariable } = require("@eslint-community/eslint-utils"); +const astUtils = require("./utils/ast-utils"); + +const WellKnownMutationFunctions = { + Object: /^(?:assign|definePropert(?:y|ies)|freeze|setPrototypeOf)$/u, + Reflect: /^(?:(?:define|delete)Property|set(?:PrototypeOf)?)$/u, +}; + +/** + * Check if a given node is LHS of an assignment node. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is LHS. + */ +function isAssignmentLeft(node) { + const { parent } = node; + + return ( + (parent.type === "AssignmentExpression" && parent.left === node) || + // Destructuring assignments + parent.type === "ArrayPattern" || + (parent.type === "Property" && + parent.value === node && + parent.parent.type === "ObjectPattern") || + parent.type === "RestElement" || + (parent.type === "AssignmentPattern" && parent.left === node) + ); +} + +/** + * Check if a given node is the operand of mutation unary operator. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is the operand of mutation unary operator. + */ +function isOperandOfMutationUnaryOperator(node) { + const argumentNode = + node.parent.type === "ChainExpression" ? node.parent : node; + const { parent } = argumentNode; + + return ( + (parent.type === "UpdateExpression" && + parent.argument === argumentNode) || + (parent.type === "UnaryExpression" && + parent.operator === "delete" && + parent.argument === argumentNode) + ); +} + +/** + * Check if a given node is the iteration variable of `for-in`/`for-of` syntax. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is the iteration variable. + */ +function isIterationVariable(node) { + const { parent } = node; + + return ( + (parent.type === "ForInStatement" && parent.left === node) || + (parent.type === "ForOfStatement" && parent.left === node) + ); +} + +/** + * Check if a given node is at the first argument of a well-known mutation function. + * - `Object.assign` + * - `Object.defineProperty` + * - `Object.defineProperties` + * - `Object.freeze` + * - `Object.setPrototypeOf` + * - `Reflect.defineProperty` + * - `Reflect.deleteProperty` + * - `Reflect.set` + * - `Reflect.setPrototypeOf` + * @param {ASTNode} node The node to check. + * @param {Scope} scope A `escope.Scope` object to find variable (whichever). + * @returns {boolean} `true` if the node is at the first argument of a well-known mutation function. + */ +function isArgumentOfWellKnownMutationFunction(node, scope) { + const { parent } = node; + + if (parent.type !== "CallExpression" || parent.arguments[0] !== node) { + return false; + } + const callee = astUtils.skipChainExpression(parent.callee); + + if ( + !astUtils.isSpecificMemberAccess( + callee, + "Object", + WellKnownMutationFunctions.Object, + ) && + !astUtils.isSpecificMemberAccess( + callee, + "Reflect", + WellKnownMutationFunctions.Reflect, + ) + ) { + return false; + } + const variable = findVariable(scope, callee.object); + + return variable !== null && variable.scope.type === "global"; +} + +/** + * Check if the identifier node is placed at to update members. + * @param {ASTNode} id The Identifier node to check. + * @param {Scope} scope A `escope.Scope` object to find variable (whichever). + * @returns {boolean} `true` if the member of `id` was updated. + */ +function isMemberWrite(id, scope) { + const { parent } = id; + + return ( + (parent.type === "MemberExpression" && + parent.object === id && + (isAssignmentLeft(parent) || + isOperandOfMutationUnaryOperator(parent) || + isIterationVariable(parent))) || + isArgumentOfWellKnownMutationFunction(id, scope) + ); +} + +/** + * Get the mutation node. + * @param {ASTNode} id The Identifier node to get. + * @returns {ASTNode} The mutation node. + */ +function getWriteNode(id) { + let node = id.parent; + + while ( + node && + node.type !== "AssignmentExpression" && + node.type !== "UpdateExpression" && + node.type !== "UnaryExpression" && + node.type !== "CallExpression" && + node.type !== "ForInStatement" && + node.type !== "ForOfStatement" + ) { + node = node.parent; + } + + return node || id; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow assigning to imported bindings", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-import-assign", + }, + + schema: [], + + messages: { + readonly: "'{{name}}' is read-only.", + readonlyMember: "The members of '{{name}}' are read-only.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + ImportDeclaration(node) { + const scope = sourceCode.getScope(node); + + for (const variable of sourceCode.getDeclaredVariables(node)) { + const shouldCheckMembers = variable.defs.some( + d => d.node.type === "ImportNamespaceSpecifier", + ); + let prevIdNode = null; + + for (const reference of variable.references) { + const idNode = reference.identifier; + + /* + * AssignmentPattern (e.g. `[a = 0] = b`) makes two write + * references for the same identifier. This should skip + * the one of the two in order to prevent redundant reports. + */ + if (idNode === prevIdNode) { + continue; + } + prevIdNode = idNode; + + if (reference.isWrite()) { + context.report({ + node: getWriteNode(idNode), + messageId: "readonly", + data: { name: idNode.name }, + }); + } else if ( + shouldCheckMembers && + isMemberWrite(idNode, scope) + ) { + context.report({ + node: getWriteNode(idNode), + messageId: "readonlyMember", + data: { name: idNode.name }, + }); + } + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-inline-comments.js b/module/node_modules/eslint/lib/rules/no-inline-comments.js new file mode 100644 index 000000000..dac9eec1a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-inline-comments.js @@ -0,0 +1,115 @@ +/** + * @fileoverview Enforces or disallows inline comments. + * @author Greg Cochard + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [{}], + + docs: { + description: "Disallow inline comments after code", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-inline-comments", + }, + + schema: [ + { + type: "object", + properties: { + ignorePattern: { + type: "string", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedInlineComment: "Unexpected comment inline with code.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const [{ ignorePattern }] = context.options; + const customIgnoreRegExp = + ignorePattern && new RegExp(ignorePattern, "u"); + + /** + * Will check that comments are not on lines starting with or ending with code + * @param {ASTNode} node The comment node to check + * @private + * @returns {void} + */ + function testCodeAroundComment(node) { + const startLine = String(sourceCode.lines[node.loc.start.line - 1]), + endLine = String(sourceCode.lines[node.loc.end.line - 1]), + preamble = startLine.slice(0, node.loc.start.column).trim(), + postamble = endLine.slice(node.loc.end.column).trim(), + isPreambleEmpty = !preamble, + isPostambleEmpty = !postamble; + + // Nothing on both sides + if (isPreambleEmpty && isPostambleEmpty) { + return; + } + + // Matches the ignore pattern + if (customIgnoreRegExp && customIgnoreRegExp.test(node.value)) { + return; + } + + // JSX Exception + if ( + (isPreambleEmpty || preamble === "{") && + (isPostambleEmpty || postamble === "}") + ) { + const enclosingNode = sourceCode.getNodeByRangeIndex( + node.range[0], + ); + + if ( + enclosingNode && + enclosingNode.type === "JSXEmptyExpression" + ) { + return; + } + } + + // Don't report ESLint directive comments + if (astUtils.isDirectiveComment(node)) { + return; + } + + context.report({ + node, + messageId: "unexpectedInlineComment", + }); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program() { + sourceCode + .getAllComments() + .filter(token => token.type !== "Shebang") + .forEach(testCodeAroundComment); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-inner-declarations.js b/module/node_modules/eslint/lib/rules/no-inner-declarations.js new file mode 100644 index 000000000..ec6c4952a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-inner-declarations.js @@ -0,0 +1,147 @@ +/** + * @fileoverview Rule to enforce declarations in program or function body root. + * @author Brandon Mills + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const validParent = new Set([ + "Program", + "StaticBlock", + "ExportNamedDeclaration", + "ExportDefaultDeclaration", +]); +const validBlockStatementParent = new Set([ + "FunctionDeclaration", + "FunctionExpression", + "ArrowFunctionExpression", +]); + +/** + * Finds the nearest enclosing context where this rule allows declarations and returns its description. + * @param {ASTNode} node Node to search from. + * @returns {string} Description. One of "program", "function body", "class static block body". + */ +function getAllowedBodyDescription(node) { + let { parent } = node; + + while (parent) { + if (parent.type === "StaticBlock") { + return "class static block body"; + } + + if (astUtils.isFunction(parent)) { + return "function body"; + } + + ({ parent } = parent); + } + + return "program"; +} + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: ["functions", { blockScopedFunctions: "allow" }], + + docs: { + description: + "Disallow variable or `function` declarations in nested blocks", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-inner-declarations", + }, + + schema: [ + { + enum: ["functions", "both"], + }, + { + type: "object", + properties: { + blockScopedFunctions: { + enum: ["allow", "disallow"], + }, + }, + additionalProperties: false, + }, + ], + + messages: { + moveDeclToRoot: "Move {{type}} declaration to {{body}} root.", + }, + }, + + create(context) { + const both = context.options[0] === "both"; + const { blockScopedFunctions } = context.options[1]; + + const sourceCode = context.sourceCode; + const ecmaVersion = context.languageOptions.ecmaVersion; + + /** + * Ensure that a given node is at a program or function body's root. + * @param {ASTNode} node Declaration node to check. + * @returns {void} + */ + function check(node) { + const parent = node.parent; + + if ( + parent.type === "BlockStatement" && + validBlockStatementParent.has(parent.parent.type) + ) { + return; + } + + if (validParent.has(parent.type)) { + return; + } + + context.report({ + node, + messageId: "moveDeclToRoot", + data: { + type: + node.type === "FunctionDeclaration" + ? "function" + : "variable", + body: getAllowedBodyDescription(node), + }, + }); + } + + return { + FunctionDeclaration(node) { + const isInStrictCode = sourceCode.getScope(node).upper.isStrict; + + if ( + blockScopedFunctions === "allow" && + ecmaVersion >= 2015 && + isInStrictCode + ) { + return; + } + + check(node); + }, + VariableDeclaration(node) { + if (both && node.kind === "var") { + check(node); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-invalid-regexp.js b/module/node_modules/eslint/lib/rules/no-invalid-regexp.js new file mode 100644 index 000000000..c3937a419 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-invalid-regexp.js @@ -0,0 +1,243 @@ +/** + * @fileoverview Validate strings passed to the RegExp constructor + * @author Michael Ficarra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const RegExpValidator = require("@eslint-community/regexpp").RegExpValidator; +const validator = new RegExpValidator(); +const validFlags = "dgimsuvy"; +const undefined1 = void 0; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [{}], + + docs: { + description: + "Disallow invalid regular expression strings in `RegExp` constructors", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-invalid-regexp", + }, + + schema: [ + { + type: "object", + properties: { + allowConstructorFlags: { + type: "array", + items: { + type: "string", + }, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + regexMessage: "{{message}}.", + }, + }, + + create(context) { + const [{ allowConstructorFlags }] = context.options; + let allowedFlags = []; + + if (allowConstructorFlags) { + const temp = allowConstructorFlags + .join("") + .replace(new RegExp(`[${validFlags}]`, "gu"), ""); + + if (temp) { + allowedFlags = [...new Set(temp)]; + } + } + + /** + * Reports error with the provided message. + * @param {ASTNode} node The node holding the invalid RegExp + * @param {string} message The message to report. + * @returns {void} + */ + function report(node, message) { + context.report({ + node, + messageId: "regexMessage", + data: { message }, + }); + } + + /** + * Check if node is a string + * @param {ASTNode} node node to evaluate + * @returns {boolean} True if its a string + * @private + */ + function isString(node) { + return ( + node && + node.type === "Literal" && + typeof node.value === "string" + ); + } + + /** + * Gets flags of a regular expression created by the given `RegExp()` or `new RegExp()` call + * Examples: + * new RegExp(".") // => "" + * new RegExp(".", "gu") // => "gu" + * new RegExp(".", flags) // => null + * @param {ASTNode} node `CallExpression` or `NewExpression` node + * @returns {string|null} flags if they can be determined, `null` otherwise + * @private + */ + function getFlags(node) { + if (node.arguments.length < 2) { + return ""; + } + + if (isString(node.arguments[1])) { + return node.arguments[1].value; + } + + return null; + } + + /** + * Check syntax error in a given pattern. + * @param {string} pattern The RegExp pattern to validate. + * @param {Object} flags The RegExp flags to validate. + * @param {boolean} [flags.unicode] The Unicode flag. + * @param {boolean} [flags.unicodeSets] The UnicodeSets flag. + * @returns {string|null} The syntax error. + */ + function validateRegExpPattern(pattern, flags) { + try { + validator.validatePattern( + pattern, + undefined1, + undefined1, + flags, + ); + return null; + } catch (err) { + return err.message; + } + } + + /** + * Check syntax error in a given flags. + * @param {string|null} flags The RegExp flags to validate. + * @param {string|null} flagsToCheck The RegExp invalid flags. + * @param {string} allFlags all valid and allowed flags. + * @returns {string|null} The syntax error. + */ + function validateRegExpFlags(flags, flagsToCheck, allFlags) { + const duplicateFlags = []; + + if (typeof flagsToCheck === "string") { + for (const flag of flagsToCheck) { + if (allFlags.includes(flag)) { + duplicateFlags.push(flag); + } + } + } + + /* + * `regexpp` checks the combination of `u` and `v` flags when parsing `Pattern` according to `ecma262`, + * but this rule may check only the flag when the pattern is unidentifiable, so check it here. + * https://tc39.es/ecma262/multipage/text-processing.html#sec-parsepattern + */ + if (flags && flags.includes("u") && flags.includes("v")) { + return "Regex 'u' and 'v' flags cannot be used together"; + } + + if (duplicateFlags.length > 0) { + return `Duplicate flags ('${duplicateFlags.join("")}') supplied to RegExp constructor`; + } + + if (!flagsToCheck) { + return null; + } + + return `Invalid flags supplied to RegExp constructor '${flagsToCheck}'`; + } + + return { + "CallExpression, NewExpression"(node) { + if ( + node.callee.type !== "Identifier" || + node.callee.name !== "RegExp" + ) { + return; + } + + const flags = getFlags(node); + let flagsToCheck = flags; + const allFlags = + allowedFlags.length > 0 + ? validFlags.split("").concat(allowedFlags) + : validFlags.split(""); + + if (flags) { + allFlags.forEach(flag => { + flagsToCheck = flagsToCheck.replace(flag, ""); + }); + } + + let message = validateRegExpFlags( + flags, + flagsToCheck, + allFlags, + ); + + if (message) { + report(node, message); + return; + } + + if (!isString(node.arguments[0])) { + return; + } + + const pattern = node.arguments[0].value; + + message = + // If flags are unknown, report the regex only if its pattern is invalid both with and without the "u" flag + flags === null + ? validateRegExpPattern(pattern, { + unicode: true, + unicodeSets: false, + }) && + validateRegExpPattern(pattern, { + unicode: false, + unicodeSets: true, + }) && + validateRegExpPattern(pattern, { + unicode: false, + unicodeSets: false, + }) + : validateRegExpPattern(pattern, { + unicode: flags.includes("u"), + unicodeSets: flags.includes("v"), + }); + + if (message) { + report(node, message); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-invalid-this.js b/module/node_modules/eslint/lib/rules/no-invalid-this.js new file mode 100644 index 000000000..9e2f97ce9 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-invalid-this.js @@ -0,0 +1,178 @@ +/** + * @fileoverview A rule to disallow `this` keywords in contexts where the value of `this` is `undefined`. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines if the given code path is a code path with lexical `this` binding. + * That is, if `this` within the code path refers to `this` of surrounding code path. + * @param {CodePath} codePath Code path. + * @param {ASTNode} node Node that started the code path. + * @returns {boolean} `true` if it is a code path with lexical `this` binding. + */ +function isCodePathWithLexicalThis(codePath, node) { + return ( + codePath.origin === "function" && + node.type === "ArrowFunctionExpression" + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + dialects: ["javascript", "typescript"], + language: "javascript", + type: "suggestion", + + defaultOptions: [{ capIsConstructor: true }], + + docs: { + description: + "Disallow use of `this` in contexts where the value of `this` is `undefined`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-invalid-this", + }, + + schema: [ + { + type: "object", + properties: { + capIsConstructor: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedThis: "Unexpected 'this'.", + }, + }, + + create(context) { + const [{ capIsConstructor }] = context.options; + const stack = [], + sourceCode = context.sourceCode; + + /** + * Gets the current checking context. + * + * The return value has a flag that whether or not `this` keyword is valid. + * The flag is initialized when got at the first time. + * @returns {{valid: boolean}} + * an object which has a flag that whether or not `this` keyword is valid. + */ + stack.getCurrent = function () { + const current = this.at(-1); + + if (!current.init) { + current.init = true; + current.valid = !astUtils.isDefaultThisBinding( + current.node, + sourceCode, + { capIsConstructor }, + ); + } + return current; + }; + + return { + onCodePathStart(codePath, node) { + if (isCodePathWithLexicalThis(codePath, node)) { + return; + } + + if (codePath.origin === "program") { + const scope = sourceCode.getScope(node); + const features = + context.languageOptions.parserOptions.ecmaFeatures || + {}; + + // `this` at the top level of scripts always refers to the global object + stack.push({ + init: true, + node, + valid: !( + node.sourceType === "module" || + (features.globalReturn && + scope.childScopes[0].isStrict) + ), + }); + + return; + } + + /* + * `init: false` means that `valid` isn't determined yet. + * Most functions don't use `this`, and the calculation for `valid` + * is relatively costly, so we'll calculate it lazily when the first + * `this` within the function is traversed. A special case are non-strict + * functions, because `this` refers to the global object and therefore is + * always valid, so we can set `init: true` right away. + */ + stack.push({ + init: !sourceCode.getScope(node).isStrict, + node, + valid: true, + }); + }, + + onCodePathEnd(codePath, node) { + if (isCodePathWithLexicalThis(codePath, node)) { + return; + } + + stack.pop(); + }, + + "AccessorProperty > *.value"(node) { + stack.push({ + init: true, + node, + valid: true, + }); + }, + + "AccessorProperty:exit"() { + stack.pop(); + }, + + // Reports if `this` of the current context is invalid. + ThisExpression(node) { + // Special case: skip `this` if it's the value of an AccessorProperty + if ( + node.parent.type === "AccessorProperty" && + node.parent.value === node + ) { + return; + } + + const current = stack.getCurrent(); + + if (current && !current.valid) { + context.report({ + node, + messageId: "unexpectedThis", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-irregular-whitespace.js b/module/node_modules/eslint/lib/rules/no-irregular-whitespace.js new file mode 100644 index 000000000..4aaaad1d2 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-irregular-whitespace.js @@ -0,0 +1,292 @@ +/** + * @fileoverview Rule to disallow whitespace that is not a tab or space, whitespace inside strings and comments are allowed + * @author Jonathan Kingston + * @author Christophe Porteneuve + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Constants +//------------------------------------------------------------------------------ + +const ALL_IRREGULARS = + /[\f\v\u0085\ufeff\u00a0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u202f\u205f\u3000\u2028\u2029]/u; +const IRREGULAR_WHITESPACE = + /[\f\v\u0085\ufeff\u00a0\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u202f\u205f\u3000]+/gu; +const IRREGULAR_LINE_TERMINATORS = /[\u2028\u2029]/gu; +const LINE_BREAK = astUtils.createGlobalLinebreakMatcher(); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + skipComments: false, + skipJSXText: false, + skipRegExps: false, + skipStrings: true, + skipTemplates: false, + }, + ], + + docs: { + description: "Disallow irregular whitespace", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-irregular-whitespace", + }, + + schema: [ + { + type: "object", + properties: { + skipComments: { + type: "boolean", + }, + skipStrings: { + type: "boolean", + }, + skipTemplates: { + type: "boolean", + }, + skipRegExps: { + type: "boolean", + }, + skipJSXText: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + noIrregularWhitespace: "Irregular whitespace not allowed.", + }, + }, + + create(context) { + const [ + { + skipComments, + skipStrings, + skipRegExps, + skipTemplates, + skipJSXText, + }, + ] = context.options; + + const sourceCode = context.sourceCode; + const commentNodes = sourceCode.getAllComments(); + + // Module store of errors that we have found + let errors = []; + + /** + * Removes errors that occur inside the given node + * @param {ASTNode} node to check for matching errors. + * @returns {void} + * @private + */ + function removeWhitespaceError(node) { + const locStart = node.loc.start; + const locEnd = node.loc.end; + + errors = errors.filter( + ({ loc: { start: errorLocStart } }) => + errorLocStart.line < locStart.line || + (errorLocStart.line === locStart.line && + errorLocStart.column < locStart.column) || + (errorLocStart.line === locEnd.line && + errorLocStart.column >= locEnd.column) || + errorLocStart.line > locEnd.line, + ); + } + + /** + * Checks literal nodes for errors that we are choosing to ignore and calls the relevant methods to remove the errors + * @param {ASTNode} node to check for matching errors. + * @returns {void} + * @private + */ + function removeInvalidNodeErrorsInLiteral(node) { + const shouldCheckStrings = + skipStrings && typeof node.value === "string"; + const shouldCheckRegExps = skipRegExps && Boolean(node.regex); + + if (shouldCheckStrings || shouldCheckRegExps) { + // If we have irregular characters remove them from the errors list + if (ALL_IRREGULARS.test(node.raw)) { + removeWhitespaceError(node); + } + } + } + + /** + * Checks template string literal nodes for errors that we are choosing to ignore and calls the relevant methods to remove the errors + * @param {ASTNode} node to check for matching errors. + * @returns {void} + * @private + */ + function removeInvalidNodeErrorsInTemplateLiteral(node) { + if (typeof node.value.raw === "string") { + if (ALL_IRREGULARS.test(node.value.raw)) { + removeWhitespaceError(node); + } + } + } + + /** + * Checks comment nodes for errors that we are choosing to ignore and calls the relevant methods to remove the errors + * @param {ASTNode} node to check for matching errors. + * @returns {void} + * @private + */ + function removeInvalidNodeErrorsInComment(node) { + if (ALL_IRREGULARS.test(node.value)) { + removeWhitespaceError(node); + } + } + + /** + * Checks JSX nodes for errors that we are choosing to ignore and calls the relevant methods to remove the errors + * @param {ASTNode} node to check for matching errors. + * @returns {void} + * @private + */ + function removeInvalidNodeErrorsInJSXText(node) { + if (ALL_IRREGULARS.test(node.raw)) { + removeWhitespaceError(node); + } + } + + /** + * Checks the program source for irregular whitespace + * @param {ASTNode} node The program node + * @returns {void} + * @private + */ + function checkForIrregularWhitespace(node) { + const sourceLines = sourceCode.lines; + + sourceLines.forEach((sourceLine, lineIndex) => { + const lineNumber = lineIndex + 1; + let match; + + while ( + (match = IRREGULAR_WHITESPACE.exec(sourceLine)) !== null + ) { + errors.push({ + node, + messageId: "noIrregularWhitespace", + loc: { + start: { + line: lineNumber, + column: match.index, + }, + end: { + line: lineNumber, + column: match.index + match[0].length, + }, + }, + }); + } + }); + } + + /** + * Checks the program source for irregular line terminators + * @param {ASTNode} node The program node + * @returns {void} + * @private + */ + function checkForIrregularLineTerminators(node) { + const source = sourceCode.getText(), + sourceLines = sourceCode.lines, + linebreaks = source.match(LINE_BREAK); + let lastLineIndex = -1, + match; + + while ((match = IRREGULAR_LINE_TERMINATORS.exec(source)) !== null) { + const lineIndex = + linebreaks.indexOf(match[0], lastLineIndex + 1) || 0; + + errors.push({ + node, + messageId: "noIrregularWhitespace", + loc: { + start: { + line: lineIndex + 1, + column: sourceLines[lineIndex].length, + }, + end: { + line: lineIndex + 2, + column: 0, + }, + }, + }); + + lastLineIndex = lineIndex; + } + } + + /** + * A no-op function to act as placeholder for comment accumulation when the `skipComments` option is `false`. + * @returns {void} + * @private + */ + function noop() {} + + const nodes = {}; + + if (ALL_IRREGULARS.test(sourceCode.getText())) { + nodes.Program = function (node) { + /* + * As we can easily fire warnings for all white space issues with + * all the source its simpler to fire them here. + * This means we can check all the application code without having + * to worry about issues caused in the parser tokens. + * When writing this code also evaluating per node was missing out + * connecting tokens in some cases. + * We can later filter the errors when they are found to be not an + * issue in nodes we don't care about. + */ + checkForIrregularWhitespace(node); + checkForIrregularLineTerminators(node); + }; + + nodes.Literal = removeInvalidNodeErrorsInLiteral; + nodes.TemplateElement = skipTemplates + ? removeInvalidNodeErrorsInTemplateLiteral + : noop; + nodes.JSXText = skipJSXText + ? removeInvalidNodeErrorsInJSXText + : noop; + nodes["Program:exit"] = function () { + if (skipComments) { + // First strip errors occurring in comment nodes. + commentNodes.forEach(removeInvalidNodeErrorsInComment); + } + + // If we have any errors remaining report on them + errors.forEach(error => context.report(error)); + }; + } else { + nodes.Program = noop; + } + + return nodes; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-iterator.js b/module/node_modules/eslint/lib/rules/no-iterator.js new file mode 100644 index 000000000..6451e334d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-iterator.js @@ -0,0 +1,48 @@ +/** + * @fileoverview Rule to flag usage of __iterator__ property + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { getStaticPropertyName } = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow the use of the `__iterator__` property", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-iterator", + }, + + schema: [], + + messages: { + noIterator: "Reserved name '__iterator__'.", + }, + }, + + create(context) { + return { + MemberExpression(node) { + if (getStaticPropertyName(node) === "__iterator__") { + context.report({ + node, + messageId: "noIterator", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-label-var.js b/module/node_modules/eslint/lib/rules/no-label-var.js new file mode 100644 index 000000000..a87894130 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-label-var.js @@ -0,0 +1,78 @@ +/** + * @fileoverview Rule to flag labels that are the same as an identifier + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow labels that share a name with a variable", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-label-var", + }, + + schema: [], + + messages: { + identifierClashWithLabel: + "Found identifier with same name as label.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Check if the identifier is present inside current scope + * @param {Object} scope current scope + * @param {string} name To evaluate + * @returns {boolean} True if its present + * @private + */ + function findIdentifier(scope, name) { + return astUtils.getVariableByName(scope, name) !== null; + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + LabeledStatement(node) { + // Fetch the innermost scope. + const scope = sourceCode.getScope(node); + + /* + * Recursively find the identifier walking up the scope, starting + * with the innermost scope. + */ + if (findIdentifier(scope, node.label.name)) { + context.report({ + node, + messageId: "identifierClashWithLabel", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-labels.js b/module/node_modules/eslint/lib/rules/no-labels.js new file mode 100644 index 000000000..45eb8af74 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-labels.js @@ -0,0 +1,156 @@ +/** + * @fileoverview Disallow Labeled Statements + * @author Nicholas C. Zakas + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + allowLoop: false, + allowSwitch: false, + }, + ], + + docs: { + description: "Disallow labeled statements", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-labels", + }, + + schema: [ + { + type: "object", + properties: { + allowLoop: { + type: "boolean", + }, + allowSwitch: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedLabel: "Unexpected labeled statement.", + unexpectedLabelInBreak: "Unexpected label in break statement.", + unexpectedLabelInContinue: + "Unexpected label in continue statement.", + }, + }, + + create(context) { + const [{ allowLoop, allowSwitch }] = context.options; + let scopeInfo = null; + + /** + * Gets the kind of a given node. + * @param {ASTNode} node A node to get. + * @returns {string} The kind of the node. + */ + function getBodyKind(node) { + if (astUtils.isLoop(node)) { + return "loop"; + } + if (node.type === "SwitchStatement") { + return "switch"; + } + return "other"; + } + + /** + * Checks whether the label of a given kind is allowed or not. + * @param {string} kind A kind to check. + * @returns {boolean} `true` if the kind is allowed. + */ + function isAllowed(kind) { + switch (kind) { + case "loop": + return allowLoop; + case "switch": + return allowSwitch; + default: + return false; + } + } + + /** + * Checks whether a given name is a label of a loop or not. + * @param {string} label A name of a label to check. + * @returns {boolean} `true` if the name is a label of a loop. + */ + function getKind(label) { + let info = scopeInfo; + + while (info) { + if (info.label === label) { + return info.kind; + } + info = info.upper; + } + + /* c8 ignore next */ + return "other"; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + LabeledStatement(node) { + scopeInfo = { + label: node.label.name, + kind: getBodyKind(node.body), + upper: scopeInfo, + }; + }, + + "LabeledStatement:exit"(node) { + if (!isAllowed(scopeInfo.kind)) { + context.report({ + node, + messageId: "unexpectedLabel", + }); + } + + scopeInfo = scopeInfo.upper; + }, + + BreakStatement(node) { + if (node.label && !isAllowed(getKind(node.label.name))) { + context.report({ + node, + messageId: "unexpectedLabelInBreak", + }); + } + }, + + ContinueStatement(node) { + if (node.label && !isAllowed(getKind(node.label.name))) { + context.report({ + node, + messageId: "unexpectedLabelInContinue", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-lone-blocks.js b/module/node_modules/eslint/lib/rules/no-lone-blocks.js new file mode 100644 index 000000000..94421b8f8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-lone-blocks.js @@ -0,0 +1,140 @@ +/** + * @fileoverview Rule to flag blocks with no reason to exist + * @author Brandon Mills + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow unnecessary nested blocks", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-lone-blocks", + }, + + schema: [], + + messages: { + redundantBlock: "Block is redundant.", + redundantNestedBlock: "Nested block is redundant.", + }, + }, + + create(context) { + // A stack of lone blocks to be checked for block-level bindings + const loneBlocks = []; + let ruleDef; + const sourceCode = context.sourceCode; + + /** + * Reports a node as invalid. + * @param {ASTNode} node The node to be reported. + * @returns {void} + */ + function report(node) { + const messageId = + node.parent.type === "BlockStatement" || + node.parent.type === "StaticBlock" + ? "redundantNestedBlock" + : "redundantBlock"; + + context.report({ + node, + messageId, + }); + } + + /** + * Checks for any occurrence of a BlockStatement in a place where lists of statements can appear + * @param {ASTNode} node The node to check + * @returns {boolean} True if the node is a lone block. + */ + function isLoneBlock(node) { + return ( + node.parent.type === "BlockStatement" || + node.parent.type === "StaticBlock" || + node.parent.type === "Program" || + // Don't report blocks in switch cases if the block is the only statement of the case. + (node.parent.type === "SwitchCase" && + !( + node.parent.consequent[0] === node && + node.parent.consequent.length === 1 + )) + ); + } + + /** + * Checks the enclosing block of the current node for block-level bindings, + * and "marks it" as valid if any. + * @param {ASTNode} node The current node to check. + * @returns {void} + */ + function markLoneBlock(node) { + if (loneBlocks.length === 0) { + return; + } + + const block = node.parent; + + if (loneBlocks.at(-1) === block) { + loneBlocks.pop(); + } + } + + // Default rule definition: report all lone blocks + ruleDef = { + BlockStatement(node) { + if (isLoneBlock(node)) { + report(node); + } + }, + }; + + // ES6: report blocks without block-level bindings, or that's only child of another block + if (context.languageOptions.ecmaVersion >= 2015) { + ruleDef = { + BlockStatement(node) { + if (isLoneBlock(node)) { + loneBlocks.push(node); + } + }, + "BlockStatement:exit"(node) { + if (loneBlocks.length > 0 && loneBlocks.at(-1) === node) { + loneBlocks.pop(); + report(node); + } else if ( + (node.parent.type === "BlockStatement" || + node.parent.type === "StaticBlock") && + node.parent.body.length === 1 + ) { + report(node); + } + }, + }; + + ruleDef.VariableDeclaration = function (node) { + if (node.kind !== "var") { + markLoneBlock(node); + } + }; + + ruleDef.FunctionDeclaration = function (node) { + if (sourceCode.getScope(node).isStrict) { + markLoneBlock(node); + } + }; + + ruleDef.ClassDeclaration = markLoneBlock; + } + + return ruleDef; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-lonely-if.js b/module/node_modules/eslint/lib/rules/no-lonely-if.js new file mode 100644 index 000000000..65af96071 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-lonely-if.js @@ -0,0 +1,126 @@ +/** + * @fileoverview Rule to disallow if as the only statement in an else block + * @author Brandon Mills + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow `if` statements as the only statement in `else` blocks", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-lonely-if", + }, + + schema: [], + fixable: "code", + + messages: { + unexpectedLonelyIf: + "Unexpected if as the only statement in an else block.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + IfStatement(node) { + const parent = node.parent, + grandparent = parent.parent; + + if ( + parent && + parent.type === "BlockStatement" && + parent.body.length === 1 && + !astUtils.areBracesNecessary(parent, sourceCode) && + grandparent && + grandparent.type === "IfStatement" && + parent === grandparent.alternate + ) { + context.report({ + node, + messageId: "unexpectedLonelyIf", + fix(fixer) { + const openingElseCurly = + sourceCode.getFirstToken(parent); + const closingElseCurly = + sourceCode.getLastToken(parent); + const elseKeyword = + sourceCode.getTokenBefore(openingElseCurly); + const tokenAfterElseBlock = + sourceCode.getTokenAfter(closingElseCurly); + const lastIfToken = sourceCode.getLastToken( + node.consequent, + ); + const sourceText = sourceCode.getText(); + + if ( + sourceText + .slice( + openingElseCurly.range[1], + node.range[0], + ) + .trim() || + sourceText + .slice( + node.range[1], + closingElseCurly.range[0], + ) + .trim() + ) { + // Don't fix if there are any non-whitespace characters interfering (e.g. comments) + return null; + } + + if ( + node.consequent.type !== "BlockStatement" && + lastIfToken.value !== ";" && + tokenAfterElseBlock && + (node.consequent.loc.end.line === + tokenAfterElseBlock.loc.start.line || + /^[([/+`-]/u.test( + tokenAfterElseBlock.value, + ) || + lastIfToken.value === "++" || + lastIfToken.value === "--") + ) { + /* + * If the `if` statement has no block, and is not followed by a semicolon, make sure that fixing + * the issue would not change semantics due to ASI. If this would happen, don't do a fix. + */ + return null; + } + + return fixer.replaceTextRange( + [ + openingElseCurly.range[0], + closingElseCurly.range[1], + ], + (elseKeyword.range[1] === + openingElseCurly.range[0] + ? " " + : "") + sourceCode.getText(node), + ); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-loop-func.js b/module/node_modules/eslint/lib/rules/no-loop-func.js new file mode 100644 index 000000000..df6c8c5ec --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-loop-func.js @@ -0,0 +1,267 @@ +/** + * @fileoverview Rule to flag creation of function inside a loop + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const CONSTANT_BINDINGS = new Set(["const", "using", "await using"]); + +/** + * Identifies is a node is a FunctionExpression which is part of an IIFE + * @param {ASTNode} node Node to test + * @returns {boolean} True if it's an IIFE + */ +function isIIFE(node) { + return ( + (node.type === "FunctionExpression" || + node.type === "ArrowFunctionExpression") && + node.parent && + node.parent.type === "CallExpression" && + node.parent.callee === node + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + dialects: ["typescript", "javascript"], + language: "javascript", + + docs: { + description: + "Disallow function declarations that contain unsafe references inside loop statements", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-loop-func", + }, + + schema: [], + + messages: { + unsafeRefs: + "Function declared in a loop contains unsafe references to variable(s) {{ varNames }}.", + }, + }, + + create(context) { + const SKIPPED_IIFE_NODES = new Set(); + const sourceCode = context.sourceCode; + + /** + * Gets the containing loop node of a specified node. + * + * We don't need to check nested functions, so this ignores those, with the exception of IIFE. + * `Scope.through` contains references of nested functions. + * @param {ASTNode} node An AST node to get. + * @returns {ASTNode|null} The containing loop node of the specified node, or + * `null`. + */ + function getContainingLoopNode(node) { + for ( + let currentNode = node; + currentNode.parent; + currentNode = currentNode.parent + ) { + const parent = currentNode.parent; + + switch (parent.type) { + case "WhileStatement": + case "DoWhileStatement": + return parent; + + case "ForStatement": + // `init` is outside of the loop. + if (parent.init !== currentNode) { + return parent; + } + break; + + case "ForInStatement": + case "ForOfStatement": + // `right` is outside of the loop. + if (parent.right !== currentNode) { + return parent; + } + break; + + case "ArrowFunctionExpression": + case "FunctionExpression": + case "FunctionDeclaration": + // We need to check nested functions only in case of IIFE. + if (SKIPPED_IIFE_NODES.has(parent)) { + break; + } + + return null; + default: + break; + } + } + + return null; + } + + /** + * Gets the containing loop node of a given node. + * If the loop was nested, this returns the most outer loop. + * @param {ASTNode} node A node to get. This is a loop node. + * @param {ASTNode|null} excludedNode A node that the result node should not + * include. + * @returns {ASTNode} The most outer loop node. + */ + function getTopLoopNode(node, excludedNode) { + const border = excludedNode ? excludedNode.range[1] : 0; + let retv = node; + let containingLoopNode = node; + + while ( + containingLoopNode && + containingLoopNode.range[0] >= border + ) { + retv = containingLoopNode; + containingLoopNode = getContainingLoopNode(containingLoopNode); + } + + return retv; + } + + /** + * Checks whether a given reference which refers to an upper scope's variable is + * safe or not. + * @param {ASTNode} loopNode A containing loop node. + * @param {eslint-scope.Reference} reference A reference to check. + * @returns {boolean} `true` if the reference is safe or not. + */ + function isSafe(loopNode, reference) { + const variable = reference.resolved; + const definition = variable && variable.defs[0]; + const declaration = definition && definition.parent; + const kind = + declaration && declaration.type === "VariableDeclaration" + ? declaration.kind + : ""; + + // Constant variables are safe. + if (CONSTANT_BINDINGS.has(kind)) { + return true; + } + + /* + * Variables which are declared by `let` in the loop is safe. + * It's a different instance from the next loop step's. + */ + if ( + kind === "let" && + declaration.range[0] > loopNode.range[0] && + declaration.range[1] < loopNode.range[1] + ) { + return true; + } + + /* + * WriteReferences which exist after this border are unsafe because those + * can modify the variable. + */ + const border = getTopLoopNode( + loopNode, + kind === "let" ? declaration : null, + ).range[0]; + + /** + * Checks whether a given reference is safe or not. + * The reference is every reference of the upper scope's variable we are + * looking now. + * + * It's safe if the reference matches one of the following condition. + * - is readonly. + * - doesn't exist inside a local function and after the border. + * @param {eslint-scope.Reference} upperRef A reference to check. + * @returns {boolean} `true` if the reference is safe. + */ + function isSafeReference(upperRef) { + const id = upperRef.identifier; + + return ( + !upperRef.isWrite() || + (variable.scope.variableScope === + upperRef.from.variableScope && + id.range[0] < border) + ); + } + + return ( + Boolean(variable) && variable.references.every(isSafeReference) + ); + } + + /** + * Reports functions which match the following condition: + * + * - has a loop node in ancestors. + * - has any references which refers to an unsafe variable. + * @param {ASTNode} node The AST node to check. + * @returns {void} + */ + function checkForLoops(node) { + const loopNode = getContainingLoopNode(node); + + if (!loopNode) { + return; + } + + const references = sourceCode.getScope(node).through; + + // Check if the function is not asynchronous or a generator function + if (!(node.async || node.generator)) { + if (isIIFE(node)) { + const isFunctionExpression = + node.type === "FunctionExpression"; + + // Check if the function is referenced elsewhere in the code + const isFunctionReferenced = + isFunctionExpression && node.id + ? references.some( + r => r.identifier.name === node.id.name, + ) + : false; + + if (!isFunctionReferenced) { + SKIPPED_IIFE_NODES.add(node); + return; + } + } + } + + const unsafeRefs = [ + ...new Set( + references + .filter(r => r.resolved && !isSafe(loopNode, r)) + .map(r => r.identifier.name), + ), + ]; + + if (unsafeRefs.length > 0) { + context.report({ + node, + messageId: "unsafeRefs", + data: { varNames: `'${unsafeRefs.join("', '")}'` }, + }); + } + } + + return { + ArrowFunctionExpression: checkForLoops, + FunctionExpression: checkForLoops, + FunctionDeclaration: checkForLoops, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-loss-of-precision.js b/module/node_modules/eslint/lib/rules/no-loss-of-precision.js new file mode 100644 index 000000000..8e2005f15 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-loss-of-precision.js @@ -0,0 +1,249 @@ +/** + * @fileoverview Rule to flag numbers that will lose significant figure precision at runtime + * @author Jacob Moore + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** Class representing a number in scientific notation. */ +class ScientificNotation { + /** @type {string} The digits of the coefficient. A decimal point is implied after the first digit. */ + coefficient; + + /** @type {number} The order of magnitude. */ + magnitude; + + constructor(coefficient, magnitude) { + this.coefficient = coefficient; + this.magnitude = magnitude; + } + + /* c8 ignore start -- debug only */ + toString() { + return `${this.coefficient[0]}${this.coefficient.length > 1 ? `.${this.coefficient.slice(1)}` : ""}e${this.magnitude}`; + } + /* c8 ignore stop */ +} + +/** + * Returns whether the node is number literal + * @param {Node} node the node literal being evaluated + * @returns {boolean} true if the node is a number literal + */ +function isNumber(node) { + return typeof node.value === "number"; +} + +/** + * Gets the source code of the given number literal. Removes `_` numeric separators from the result. + * @param {Node} node the number `Literal` node + * @returns {string} raw source code of the literal, without numeric separators + */ +function getRaw(node) { + return node.raw.replace(/_/gu, ""); +} + +/** + * Checks whether the number is base ten + * @param {ASTNode} node the node being evaluated + * @returns {boolean} true if the node is in base ten + */ +function isBaseTen(node) { + const prefixes = ["0x", "0X", "0b", "0B", "0o", "0O"]; + + return ( + prefixes.every(prefix => !node.raw.startsWith(prefix)) && + !/^0[0-7]+$/u.test(node.raw) + ); +} + +/** + * Checks that the user-intended non-base ten number equals the actual number after is has been converted to the Number type + * @param {Node} node the node being evaluated + * @returns {boolean} true if they do not match + */ +function notBaseTenLosesPrecision(node) { + const rawString = getRaw(node).toUpperCase(); + let base; + + if (rawString.startsWith("0B")) { + base = 2; + } else if (rawString.startsWith("0X")) { + base = 16; + } else { + base = 8; + } + + return !rawString.endsWith(node.value.toString(base).toUpperCase()); +} + +/** + * Returns the number stripped of leading zeros + * @param {string} numberAsString the string representation of the number + * @returns {string} the stripped string + */ +function removeLeadingZeros(numberAsString) { + for (let i = 0; i < numberAsString.length; i++) { + if (numberAsString[i] !== "0") { + return numberAsString.slice(i); + } + } + return numberAsString; +} + +/** + * Returns the number stripped of trailing zeros + * @param {string} numberAsString the string representation of the number + * @returns {string} the stripped string + */ +function removeTrailingZeros(numberAsString) { + for (let i = numberAsString.length - 1; i >= 0; i--) { + if (numberAsString[i] !== "0") { + return numberAsString.slice(0, i + 1); + } + } + return numberAsString; +} + +/** + * Converts an integer to an object containing the integer's coefficient and order of magnitude + * @param {string} stringInteger the string representation of the integer being converted + * @returns {ScientificNotation} the object containing the integer's coefficient and order of magnitude + */ +function normalizeInteger(stringInteger) { + const trimmedInteger = removeLeadingZeros(stringInteger); + const significantDigits = removeTrailingZeros(trimmedInteger); + + return new ScientificNotation(significantDigits, trimmedInteger.length - 1); +} + +/** + * Converts a float to an object containing the float's coefficient and order of magnitude + * @param {string} stringFloat the string representation of the float being converted + * @returns {ScientificNotation} the object containing the float's coefficient and order of magnitude + */ +function normalizeFloat(stringFloat) { + const trimmedFloat = removeLeadingZeros(stringFloat); + const indexOfDecimalPoint = trimmedFloat.indexOf("."); + + switch (indexOfDecimalPoint) { + case 0: { + const significantDigits = removeLeadingZeros(trimmedFloat.slice(1)); + + return new ScientificNotation( + significantDigits, + significantDigits.length - trimmedFloat.length, + ); + } + case -1: + return new ScientificNotation( + trimmedFloat, + trimmedFloat.length - 1, + ); + default: + return new ScientificNotation( + trimmedFloat.replace(".", ""), + indexOfDecimalPoint - 1, + ); + } +} + +/** + * Converts a base ten number to proper scientific notation + * @param {string} stringNumber the string representation of the base ten number to be converted + * @param {boolean} parseAsFloat if true, the coefficient will be always parsed as a float, regardless of whether a decimal point is present + * @returns {ScientificNotation} the object containing the number's coefficient and order of magnitude + */ +function convertNumberToScientificNotation(stringNumber, parseAsFloat) { + const splitNumber = stringNumber.split("e"); + const originalCoefficient = splitNumber[0]; + const normalizedNumber = + parseAsFloat || stringNumber.includes(".") + ? normalizeFloat(originalCoefficient) + : normalizeInteger(originalCoefficient); + if (splitNumber.length > 1) { + normalizedNumber.magnitude += parseInt(splitNumber[1], 10); + } + + return normalizedNumber; +} + +/** + * Checks that the user-intended base ten number equals the actual number after is has been converted to the Number type + * @param {Node} node the node being evaluated + * @returns {boolean} true if they do not match + */ +function baseTenLosesPrecision(node) { + const rawNumber = getRaw(node).toLowerCase(); + const normalizedRawNumber = convertNumberToScientificNotation( + rawNumber, + false, + ); + const requestedPrecision = normalizedRawNumber.coefficient.length; + + if (requestedPrecision > 100) { + return true; + } + const storedNumber = node.value.toPrecision(requestedPrecision); + const normalizedStoredNumber = convertNumberToScientificNotation( + storedNumber, + true, + ); + + return ( + normalizedRawNumber.magnitude !== normalizedStoredNumber.magnitude || + normalizedRawNumber.coefficient !== normalizedStoredNumber.coefficient + ); +} + +/** + * Checks that the user-intended number equals the actual number after is has been converted to the Number type + * @param {Node} node the node being evaluated + * @returns {boolean} true if they do not match + */ +function losesPrecision(node) { + return isBaseTen(node) + ? baseTenLosesPrecision(node) + : notBaseTenLosesPrecision(node); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + dialects: ["typescript", "javascript"], + language: "javascript", + + docs: { + description: "Disallow literal numbers that lose precision", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-loss-of-precision", + }, + schema: [], + messages: { + noLossOfPrecision: + "This number literal will lose precision at runtime.", + }, + }, + + create(context) { + return { + Literal(node) { + if (node.value && isNumber(node) && losesPrecision(node)) { + context.report({ + messageId: "noLossOfPrecision", + node, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-magic-numbers.js b/module/node_modules/eslint/lib/rules/no-magic-numbers.js new file mode 100644 index 000000000..bed61a068 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-magic-numbers.js @@ -0,0 +1,365 @@ +/** + * @fileoverview Rule to flag statements that use magic numbers (adapted from https://github.com/danielstjules/buddy.js) + * @author Vincent Lemeunier + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +// Maximum array length by the ECMAScript Specification. +const MAX_ARRAY_LENGTH = 2 ** 32 - 1; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** + * Convert the value to bigint if it's a string. Otherwise return the value as-is. + * @param {bigint|number|string} x The value to normalize. + * @returns {bigint|number} The normalized value. + */ +function normalizeIgnoreValue(x) { + if (typeof x === "string") { + return BigInt(x.slice(0, -1)); + } + return x; +} + +/** + * Checks if the node parent is a TypeScript enum member + * @param {ASTNode} node The node to be validated + * @returns {boolean} True if the node parent is a TypeScript enum member + */ +function isParentTSEnumDeclaration(node) { + return node.parent.type === "TSEnumMember"; +} + +/** + * Checks if the node is a valid TypeScript numeric literal type. + * @param {ASTNode} node The node to be validated + * @returns {boolean} True if the node is a TypeScript numeric literal type + */ +function isTSNumericLiteralType(node) { + let ancestor = node.parent; + + // Go up while we're part of a type union + while (ancestor.parent.type === "TSUnionType") { + ancestor = ancestor.parent; + } + + // Check if the final ancestor is in a type alias declaration + return ancestor.parent.type === "TSTypeAliasDeclaration"; +} + +/** + * Checks if the node parent is a readonly class property + * @param {ASTNode} node The node to be validated + * @returns {boolean} True if the node parent is a readonly class property + */ +function isParentTSReadonlyPropertyDefinition(node) { + if (node.parent?.type === "PropertyDefinition" && node.parent.readonly) { + return true; + } + + return false; +} + +/** + * Checks if the node is part of a type indexed access (eg. Foo[4]) + * @param {ASTNode} node The node to be validated + * @returns {boolean} True if the node is part of an indexed access + */ +function isAncestorTSIndexedAccessType(node) { + let ancestor = node.parent; + + /* + * Go up another level while we're part of a type union (eg. 1 | 2) or + * intersection (eg. 1 & 2) + */ + while ( + ancestor.parent.type === "TSUnionType" || + ancestor.parent.type === "TSIntersectionType" + ) { + ancestor = ancestor.parent; + } + + return ancestor.parent.type === "TSIndexedAccessType"; +} + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + dialects: ["typescript", "javascript"], + language: "javascript", + + docs: { + description: "Disallow magic numbers", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-magic-numbers", + }, + + schema: [ + { + type: "object", + properties: { + detectObjects: { + type: "boolean", + default: false, + }, + enforceConst: { + type: "boolean", + default: false, + }, + ignore: { + type: "array", + items: { + anyOf: [ + { type: "number" }, + { + type: "string", + pattern: "^[+-]?(?:0|[1-9][0-9]*)n$", + }, + ], + }, + uniqueItems: true, + }, + ignoreArrayIndexes: { + type: "boolean", + default: false, + }, + ignoreDefaultValues: { + type: "boolean", + default: false, + }, + ignoreClassFieldInitialValues: { + type: "boolean", + default: false, + }, + ignoreEnums: { + type: "boolean", + default: false, + }, + ignoreNumericLiteralTypes: { + type: "boolean", + default: false, + }, + ignoreReadonlyClassProperties: { + type: "boolean", + default: false, + }, + ignoreTypeIndexes: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + useConst: "Number constants declarations must use 'const'.", + noMagic: "No magic number: {{raw}}.", + }, + }, + + create(context) { + const config = context.options[0] || {}, + detectObjects = !!config.detectObjects, + enforceConst = !!config.enforceConst, + ignore = new Set((config.ignore || []).map(normalizeIgnoreValue)), + ignoreArrayIndexes = !!config.ignoreArrayIndexes, + ignoreDefaultValues = !!config.ignoreDefaultValues, + ignoreClassFieldInitialValues = + !!config.ignoreClassFieldInitialValues, + ignoreEnums = !!config.ignoreEnums, + ignoreNumericLiteralTypes = !!config.ignoreNumericLiteralTypes, + ignoreReadonlyClassProperties = + !!config.ignoreReadonlyClassProperties, + ignoreTypeIndexes = !!config.ignoreTypeIndexes; + + const okTypes = detectObjects + ? [] + : ["ObjectExpression", "Property", "AssignmentExpression"]; + + /** + * Returns whether the rule is configured to ignore the given value + * @param {bigint|number} value The value to check + * @returns {boolean} true if the value is ignored + */ + function isIgnoredValue(value) { + return ignore.has(value); + } + + /** + * Returns whether the number is a default value assignment. + * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node + * @returns {boolean} true if the number is a default value + */ + function isDefaultValue(fullNumberNode) { + const parent = fullNumberNode.parent; + + return ( + parent.type === "AssignmentPattern" && + parent.right === fullNumberNode + ); + } + + /** + * Returns whether the number is the initial value of a class field. + * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node + * @returns {boolean} true if the number is the initial value of a class field. + */ + function isClassFieldInitialValue(fullNumberNode) { + const parent = fullNumberNode.parent; + + return ( + parent.type === "PropertyDefinition" && + parent.value === fullNumberNode + ); + } + + /** + * Returns whether the given node is used as a radix within parseInt() or Number.parseInt() + * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node + * @returns {boolean} true if the node is radix + */ + function isParseIntRadix(fullNumberNode) { + const parent = fullNumberNode.parent; + + return ( + parent.type === "CallExpression" && + fullNumberNode === parent.arguments[1] && + (astUtils.isSpecificId(parent.callee, "parseInt") || + astUtils.isSpecificMemberAccess( + parent.callee, + "Number", + "parseInt", + )) + ); + } + + /** + * Returns whether the given node is a direct child of a JSX node. + * In particular, it aims to detect numbers used as prop values in JSX tags. + * Example: + * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node + * @returns {boolean} true if the node is a JSX number + */ + function isJSXNumber(fullNumberNode) { + return fullNumberNode.parent.type.indexOf("JSX") === 0; + } + + /** + * Returns whether the given node is used as an array index. + * Value must coerce to a valid array index name: "0", "1", "2" ... "4294967294". + * + * All other values, like "-1", "2.5", or "4294967295", are just "normal" object properties, + * which can be created and accessed on an array in addition to the array index properties, + * but they don't affect array's length and are not considered by methods such as .map(), .forEach() etc. + * + * The maximum array length by the specification is 2 ** 32 - 1 = 4294967295, + * thus the maximum valid index is 2 ** 32 - 2 = 4294967294. + * + * All notations are allowed, as long as the value coerces to one of "0", "1", "2" ... "4294967294". + * + * Valid examples: + * a[0], a[1], a[1.2e1], a[0xAB], a[0n], a[1n] + * a[-0] (same as a[0] because -0 coerces to "0") + * a[-0n] (-0n evaluates to 0n) + * + * Invalid examples: + * a[-1], a[-0xAB], a[-1n], a[2.5], a[1.23e1], a[12e-1] + * a[4294967295] (above the max index, it's an access to a regular property a["4294967295"]) + * a[999999999999999999999] (even if it wasn't above the max index, it would be a["1e+21"]) + * a[1e310] (same as a["Infinity"]) + * @param {ASTNode} fullNumberNode `Literal` or `UnaryExpression` full number node + * @param {bigint|number} value Value expressed by the fullNumberNode + * @returns {boolean} true if the node is a valid array index + */ + function isArrayIndex(fullNumberNode, value) { + const parent = fullNumberNode.parent; + + return ( + parent.type === "MemberExpression" && + parent.property === fullNumberNode && + (Number.isInteger(value) || typeof value === "bigint") && + value >= 0 && + value < MAX_ARRAY_LENGTH + ); + } + + return { + Literal(node) { + if (!astUtils.isNumericLiteral(node)) { + return; + } + + let fullNumberNode; + let value; + let raw; + + // Treat unary minus/plus as a part of the number + if ( + node.parent.type === "UnaryExpression" && + ["-", "+"].includes(node.parent.operator) + ) { + fullNumberNode = node.parent; + value = + node.parent.operator === "-" ? -node.value : node.value; + raw = `${node.parent.operator}${node.raw}`; + } else { + fullNumberNode = node; + value = node.value; + raw = node.raw; + } + + const parent = fullNumberNode.parent; + + // Always allow radix arguments and JSX props + if ( + isIgnoredValue(value) || + (ignoreDefaultValues && isDefaultValue(fullNumberNode)) || + (ignoreClassFieldInitialValues && + isClassFieldInitialValue(fullNumberNode)) || + (ignoreEnums && + isParentTSEnumDeclaration(fullNumberNode)) || + (ignoreNumericLiteralTypes && + isTSNumericLiteralType(fullNumberNode)) || + (ignoreTypeIndexes && + isAncestorTSIndexedAccessType(fullNumberNode)) || + (ignoreReadonlyClassProperties && + isParentTSReadonlyPropertyDefinition(fullNumberNode)) || + isParseIntRadix(fullNumberNode) || + isJSXNumber(fullNumberNode) || + (ignoreArrayIndexes && isArrayIndex(fullNumberNode, value)) + ) { + return; + } + + if (parent.type === "VariableDeclarator") { + if (enforceConst && parent.parent.kind !== "const") { + context.report({ + node: fullNumberNode, + messageId: "useConst", + }); + } + } else if ( + !okTypes.includes(parent.type) || + (parent.type === "AssignmentExpression" && + parent.left.type === "Identifier") + ) { + context.report({ + node: fullNumberNode, + messageId: "noMagic", + data: { + raw, + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-misleading-character-class.js b/module/node_modules/eslint/lib/rules/no-misleading-character-class.js new file mode 100644 index 000000000..c7223335f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-misleading-character-class.js @@ -0,0 +1,595 @@ +/** + * @author Toru Nagashima + */ +"use strict"; + +const { + CALL, + CONSTRUCT, + ReferenceTracker, + getStaticValue, + getStringIfConstant, +} = require("@eslint-community/eslint-utils"); +const { RegExpParser, visitRegExpAST } = require("@eslint-community/regexpp"); +const { + isCombiningCharacter, + isEmojiModifier, + isRegionalIndicatorSymbol, + isSurrogatePair, +} = require("./utils/unicode"); +const astUtils = require("./utils/ast-utils.js"); +const { isValidWithUnicodeFlag } = require("./utils/regular-expressions"); +const { + parseStringLiteral, + parseTemplateToken, +} = require("./utils/char-source"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * @typedef {import('@eslint-community/regexpp').AST.Character} Character + * @typedef {import('@eslint-community/regexpp').AST.CharacterClassElement} CharacterClassElement + */ + +/** + * Iterate character sequences of a given nodes. + * + * CharacterClassRange syntax can steal a part of character sequence, + * so this function reverts CharacterClassRange syntax and restore the sequence. + * @param {CharacterClassElement[]} nodes The node list to iterate character sequences. + * @returns {IterableIterator} The list of character sequences. + */ +function* iterateCharacterSequence(nodes) { + /** @type {Character[]} */ + let seq = []; + + for (const node of nodes) { + switch (node.type) { + case "Character": + seq.push(node); + break; + + case "CharacterClassRange": + seq.push(node.min); + yield seq; + seq = [node.max]; + break; + + case "CharacterSet": + case "CharacterClass": // [[]] nesting character class + case "ClassStringDisjunction": // \q{...} + case "ExpressionCharacterClass": // [A--B] + if (seq.length > 0) { + yield seq; + seq = []; + } + break; + + // no default + } + } + + if (seq.length > 0) { + yield seq; + } +} + +/** + * Checks whether the given character node is a Unicode code point escape or not. + * @param {Character} char the character node to check. + * @returns {boolean} `true` if the character node is a Unicode code point escape. + */ +function isUnicodeCodePointEscape(char) { + return /^\\u\{[\da-f]+\}$/iu.test(char.raw); +} + +/** + * Each function returns matched characters if it detects that kind of problem. + * @type {Record IterableIterator>} + */ +const findCharacterSequences = { + *surrogatePairWithoutUFlag(chars) { + for (const [index, char] of chars.entries()) { + const previous = chars[index - 1]; + + if ( + previous && + char && + isSurrogatePair(previous.value, char.value) && + !isUnicodeCodePointEscape(previous) && + !isUnicodeCodePointEscape(char) + ) { + yield [previous, char]; + } + } + }, + + *surrogatePair(chars) { + for (const [index, char] of chars.entries()) { + const previous = chars[index - 1]; + + if ( + previous && + char && + isSurrogatePair(previous.value, char.value) && + (isUnicodeCodePointEscape(previous) || + isUnicodeCodePointEscape(char)) + ) { + yield [previous, char]; + } + } + }, + + *combiningClass(chars, unfilteredChars) { + /* + * When `allowEscape` is `true`, a combined character should only be allowed if the combining mark appears as an escape sequence. + * This means that the base character should be considered even if it's escaped. + */ + for (const [index, char] of chars.entries()) { + const previous = unfilteredChars[index - 1]; + + if ( + previous && + char && + isCombiningCharacter(char.value) && + !isCombiningCharacter(previous.value) + ) { + yield [previous, char]; + } + } + }, + + *emojiModifier(chars) { + for (const [index, char] of chars.entries()) { + const previous = chars[index - 1]; + + if ( + previous && + char && + isEmojiModifier(char.value) && + !isEmojiModifier(previous.value) + ) { + yield [previous, char]; + } + } + }, + + *regionalIndicatorSymbol(chars) { + for (const [index, char] of chars.entries()) { + const previous = chars[index - 1]; + + if ( + previous && + char && + isRegionalIndicatorSymbol(char.value) && + isRegionalIndicatorSymbol(previous.value) + ) { + yield [previous, char]; + } + } + }, + + *zwj(chars) { + let sequence = null; + + for (const [index, char] of chars.entries()) { + const previous = chars[index - 1]; + const next = chars[index + 1]; + + if ( + previous && + char && + next && + char.value === 0x200d && + previous.value !== 0x200d && + next.value !== 0x200d + ) { + if (sequence) { + if (sequence.at(-1) === previous) { + sequence.push(char, next); // append to the sequence + } else { + yield sequence; + sequence = chars.slice(index - 1, index + 2); + } + } else { + sequence = chars.slice(index - 1, index + 2); + } + } + } + + if (sequence) { + yield sequence; + } + }, +}; + +const kinds = Object.keys(findCharacterSequences); + +/** + * Gets the value of the given node if it's a static value other than a regular expression object, + * or the node's `regex` property. + * The purpose of this method is to provide a replacement for `getStaticValue` in environments where certain regular expressions cannot be evaluated. + * A known example is Node.js 18 which does not support the `v` flag. + * Calling `getStaticValue` on a regular expression node with the `v` flag on Node.js 18 always returns `null`. + * A limitation of this method is that it can only detect a regular expression if the specified node is itself a regular expression literal node. + * @param {ASTNode | undefined} node The node to be inspected. + * @param {Scope} initialScope Scope to start finding variables. This function tries to resolve identifier references which are in the given scope. + * @returns {{ value: any } | { regex: { pattern: string, flags: string } } | null} The static value of the node, or `null`. + */ +function getStaticValueOrRegex(node, initialScope) { + if (!node) { + return null; + } + if (node.type === "Literal" && node.regex) { + return { regex: node.regex }; + } + + const staticValue = getStaticValue(node, initialScope); + + if (staticValue?.value instanceof RegExp) { + return null; + } + return staticValue; +} + +/** + * Checks whether a specified regexpp character is represented as an acceptable escape sequence. + * This function requires the source text of the character to be known. + * @param {Character} char Character to check. + * @param {string} charSource Source text of the character to check. + * @returns {boolean} Whether the specified regexpp character is represented as an acceptable escape sequence. + */ +function checkForAcceptableEscape(char, charSource) { + if (!charSource.startsWith("\\")) { + return false; + } + const match = /(?<=^\\+).$/su.exec(charSource); + + return match?.[0] !== String.fromCodePoint(char.value); +} + +/** + * Checks whether a specified regexpp character is represented as an acceptable escape sequence. + * This function works with characters that are produced by a string or template literal. + * It requires the source text and the CodeUnit list of the literal to be known. + * @param {Character} char Character to check. + * @param {string} nodeSource Source text of the string or template literal that produces the character. + * @param {CodeUnit[]} codeUnits List of CodeUnit objects of the literal that produces the character. + * @returns {boolean} Whether the specified regexpp character is represented as an acceptable escape sequence. + */ +function checkForAcceptableEscapeInString(char, nodeSource, codeUnits) { + const firstIndex = char.start; + const lastIndex = char.end - 1; + const start = codeUnits[firstIndex].start; + const end = codeUnits[lastIndex].end; + const charSource = nodeSource.slice(start, end); + + return checkForAcceptableEscape(char, charSource); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + allowEscape: false, + }, + ], + + docs: { + description: + "Disallow characters which are made with multiple code points in character class syntax", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-misleading-character-class", + }, + + hasSuggestions: true, + + schema: [ + { + type: "object", + properties: { + allowEscape: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + surrogatePairWithoutUFlag: + "Unexpected surrogate pair in character class. Use 'u' flag.", + surrogatePair: "Unexpected surrogate pair in character class.", + combiningClass: "Unexpected combined character in character class.", + emojiModifier: "Unexpected modified Emoji in character class.", + regionalIndicatorSymbol: + "Unexpected national flag in character class.", + zwj: "Unexpected joined character sequence in character class.", + suggestUnicodeFlag: "Add unicode 'u' flag to regex.", + }, + }, + create(context) { + const [{ allowEscape }] = context.options; + const sourceCode = context.sourceCode; + const parser = new RegExpParser(); + const checkedPatternNodes = new Set(); + + /** + * Verify a given regular expression. + * @param {Node} node The node to report. + * @param {string} pattern The regular expression pattern to verify. + * @param {string} flags The flags of the regular expression. + * @param {Function} unicodeFixer Fixer for missing "u" flag. + * @returns {void} + */ + function verify(node, pattern, flags, unicodeFixer) { + let patternNode; + + try { + patternNode = parser.parsePattern(pattern, 0, pattern.length, { + unicode: flags.includes("u"), + unicodeSets: flags.includes("v"), + }); + } catch { + // Ignore regular expressions with syntax errors + return; + } + + let codeUnits = null; + + /** + * Checks whether a specified regexpp character is represented as an acceptable escape sequence. + * For the purposes of this rule, an escape sequence is considered acceptable if it consists of one or more backslashes followed by the character being escaped. + * @param {Character} char Character to check. + * @returns {boolean} Whether the specified regexpp character is represented as an acceptable escape sequence. + */ + function isAcceptableEscapeSequence(char) { + if (node.type === "Literal" && node.regex) { + return checkForAcceptableEscape(char, char.raw); + } + if (node.type === "Literal" && typeof node.value === "string") { + const nodeSource = node.raw; + + codeUnits ??= parseStringLiteral(nodeSource); + + return checkForAcceptableEscapeInString( + char, + nodeSource, + codeUnits, + ); + } + if (astUtils.isStaticTemplateLiteral(node)) { + const nodeSource = sourceCode.getText(node); + + codeUnits ??= parseTemplateToken(nodeSource); + + return checkForAcceptableEscapeInString( + char, + nodeSource, + codeUnits, + ); + } + return false; + } + + const foundKindMatches = new Map(); + + visitRegExpAST(patternNode, { + onCharacterClassEnter(ccNode) { + for (const unfilteredChars of iterateCharacterSequence( + ccNode.elements, + )) { + let chars; + + if (allowEscape) { + // Replace escape sequences with null to avoid having them flagged. + chars = unfilteredChars.map(char => + isAcceptableEscapeSequence(char) ? null : char, + ); + } else { + chars = unfilteredChars; + } + for (const kind of kinds) { + const matches = findCharacterSequences[kind]( + chars, + unfilteredChars, + ); + + if (foundKindMatches.has(kind)) { + foundKindMatches.get(kind).push(...matches); + } else { + foundKindMatches.set(kind, [...matches]); + } + } + } + }, + }); + + /** + * Finds the report loc(s) for a range of matches. + * Only literals and expression-less templates generate granular errors. + * @param {Character[][]} matches Lists of individual characters being reported on. + * @returns {Location[]} locs for context.report. + * @see https://github.com/eslint/eslint/pull/17515 + */ + function getNodeReportLocations(matches) { + if ( + !astUtils.isStaticTemplateLiteral(node) && + node.type !== "Literal" + ) { + return matches.length ? [node.loc] : []; + } + return matches.map(chars => { + const firstIndex = chars[0].start; + const lastIndex = chars.at(-1).end - 1; + let start; + let end; + + if (node.type === "TemplateLiteral") { + const source = sourceCode.getText(node); + const offset = node.range[0]; + + codeUnits ??= parseTemplateToken(source); + start = offset + codeUnits[firstIndex].start; + end = offset + codeUnits[lastIndex].end; + } else if (typeof node.value === "string") { + // String Literal + const source = node.raw; + const offset = node.range[0]; + + codeUnits ??= parseStringLiteral(source); + start = offset + codeUnits[firstIndex].start; + end = offset + codeUnits[lastIndex].end; + } else { + // RegExp Literal + const offset = node.range[0] + 1; // Add 1 to skip the leading slash. + + start = offset + firstIndex; + end = offset + lastIndex + 1; + } + + return { + start: sourceCode.getLocFromIndex(start), + end: sourceCode.getLocFromIndex(end), + }; + }); + } + + for (const [kind, matches] of foundKindMatches) { + let suggest; + + if (kind === "surrogatePairWithoutUFlag") { + suggest = [ + { + messageId: "suggestUnicodeFlag", + fix: unicodeFixer, + }, + ]; + } + + const locs = getNodeReportLocations(matches); + + for (const loc of locs) { + context.report({ + node, + loc, + messageId: kind, + suggest, + }); + } + } + } + + return { + "Literal[regex]"(node) { + if (checkedPatternNodes.has(node)) { + return; + } + verify(node, node.regex.pattern, node.regex.flags, fixer => { + if ( + !isValidWithUnicodeFlag( + context.languageOptions.ecmaVersion, + node.regex.pattern, + ) + ) { + return null; + } + + return fixer.insertTextAfter(node, "u"); + }); + }, + Program(node) { + const scope = sourceCode.getScope(node); + const tracker = new ReferenceTracker(scope); + + /* + * Iterate calls of RegExp. + * E.g., `new RegExp()`, `RegExp()`, `new window.RegExp()`, + * `const {RegExp: a} = window; new a()`, etc... + */ + for (const { node: refNode } of tracker.iterateGlobalReferences( + { + RegExp: { [CALL]: true, [CONSTRUCT]: true }, + }, + )) { + let pattern, flags; + const [patternNode, flagsNode] = refNode.arguments; + const evaluatedPattern = getStaticValueOrRegex( + patternNode, + scope, + ); + + if (!evaluatedPattern) { + continue; + } + if (flagsNode) { + if (evaluatedPattern.regex) { + pattern = evaluatedPattern.regex.pattern; + checkedPatternNodes.add(patternNode); + } else { + pattern = String(evaluatedPattern.value); + } + flags = getStringIfConstant(flagsNode, scope); + } else { + if (evaluatedPattern.regex) { + continue; + } + pattern = String(evaluatedPattern.value); + flags = ""; + } + + if (typeof flags === "string") { + verify(patternNode, pattern, flags, fixer => { + if ( + !isValidWithUnicodeFlag( + context.languageOptions.ecmaVersion, + pattern, + ) + ) { + return null; + } + + if (refNode.arguments.length === 1) { + const penultimateToken = + sourceCode.getLastToken(refNode, { + skip: 1, + }); // skip closing parenthesis + + return fixer.insertTextAfter( + penultimateToken, + astUtils.isCommaToken(penultimateToken) + ? ' "u",' + : ', "u"', + ); + } + + if ( + (flagsNode.type === "Literal" && + typeof flagsNode.value === "string") || + flagsNode.type === "TemplateLiteral" + ) { + const range = [ + flagsNode.range[0], + flagsNode.range[1] - 1, + ]; + + return fixer.insertTextAfterRange(range, "u"); + } + + return null; + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-mixed-operators.js b/module/node_modules/eslint/lib/rules/no-mixed-operators.js new file mode 100644 index 000000000..73dc127a4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-mixed-operators.js @@ -0,0 +1,253 @@ +/** + * @fileoverview Rule to disallow mixed binary operators. + * @author Toru Nagashima + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils.js"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const ARITHMETIC_OPERATORS = ["+", "-", "*", "/", "%", "**"]; +const BITWISE_OPERATORS = ["&", "|", "^", "~", "<<", ">>", ">>>"]; +const COMPARISON_OPERATORS = ["==", "!=", "===", "!==", ">", ">=", "<", "<="]; +const LOGICAL_OPERATORS = ["&&", "||"]; +const RELATIONAL_OPERATORS = ["in", "instanceof"]; +const TERNARY_OPERATOR = ["?:"]; +const COALESCE_OPERATOR = ["??"]; +const ALL_OPERATORS = [].concat( + ARITHMETIC_OPERATORS, + BITWISE_OPERATORS, + COMPARISON_OPERATORS, + LOGICAL_OPERATORS, + RELATIONAL_OPERATORS, + TERNARY_OPERATOR, + COALESCE_OPERATOR, +); +const DEFAULT_GROUPS = [ + ARITHMETIC_OPERATORS, + BITWISE_OPERATORS, + COMPARISON_OPERATORS, + LOGICAL_OPERATORS, + RELATIONAL_OPERATORS, +]; +const TARGET_NODE_TYPE = /^(?:Binary|Logical|Conditional)Expression$/u; + +/** + * Normalizes options. + * @param {Object|undefined} options A options object to normalize. + * @returns {Object} Normalized option object. + */ +function normalizeOptions(options = {}) { + const hasGroups = options.groups && options.groups.length > 0; + const groups = hasGroups ? options.groups : DEFAULT_GROUPS; + const allowSamePrecedence = options.allowSamePrecedence !== false; + + return { + groups, + allowSamePrecedence, + }; +} + +/** + * Checks whether any group which includes both given operator exists or not. + * @param {Array} groups A list of groups to check. + * @param {string} left An operator. + * @param {string} right Another operator. + * @returns {boolean} `true` if such group existed. + */ +function includesBothInAGroup(groups, left, right) { + return groups.some(group => group.includes(left) && group.includes(right)); +} + +/** + * Checks whether the given node is a conditional expression and returns the test node else the left node. + * @param {ASTNode} node A node which can be a BinaryExpression or a LogicalExpression node. + * This parent node can be BinaryExpression, LogicalExpression + * , or a ConditionalExpression node + * @returns {ASTNode} node the appropriate node(left or test). + */ +function getChildNode(node) { + return node.type === "ConditionalExpression" ? node.test : node.left; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "no-mixed-operators", + url: "https://eslint.style/rules/no-mixed-operators", + }, + }, + ], + }, + type: "suggestion", + + docs: { + description: "Disallow mixed binary operators", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-mixed-operators", + }, + + schema: [ + { + type: "object", + properties: { + groups: { + type: "array", + items: { + type: "array", + items: { enum: ALL_OPERATORS }, + minItems: 2, + uniqueItems: true, + }, + uniqueItems: true, + }, + allowSamePrecedence: { + type: "boolean", + default: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedMixedOperator: + "Unexpected mix of '{{leftOperator}}' and '{{rightOperator}}'. Use parentheses to clarify the intended order of operations.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const options = normalizeOptions(context.options[0]); + + /** + * Checks whether a given node should be ignored by options or not. + * @param {ASTNode} node A node to check. This is a BinaryExpression + * node or a LogicalExpression node. This parent node is one of + * them, too. + * @returns {boolean} `true` if the node should be ignored. + */ + function shouldIgnore(node) { + const a = node; + const b = node.parent; + + return ( + !includesBothInAGroup( + options.groups, + a.operator, + b.type === "ConditionalExpression" ? "?:" : b.operator, + ) || + (options.allowSamePrecedence && + astUtils.getPrecedence(a) === astUtils.getPrecedence(b)) + ); + } + + /** + * Checks whether the operator of a given node is mixed with parent + * node's operator or not. + * @param {ASTNode} node A node to check. This is a BinaryExpression + * node or a LogicalExpression node. This parent node is one of + * them, too. + * @returns {boolean} `true` if the node was mixed. + */ + function isMixedWithParent(node) { + return ( + node.operator !== node.parent.operator && + !astUtils.isParenthesised(sourceCode, node) + ); + } + + /** + * Gets the operator token of a given node. + * @param {ASTNode} node A node to check. This is a BinaryExpression + * node or a LogicalExpression node. + * @returns {Token} The operator token of the node. + */ + function getOperatorToken(node) { + return sourceCode.getTokenAfter( + getChildNode(node), + astUtils.isNotClosingParenToken, + ); + } + + /** + * Reports both the operator of a given node and the operator of the + * parent node. + * @param {ASTNode} node A node to check. This is a BinaryExpression + * node or a LogicalExpression node. This parent node is one of + * them, too. + * @returns {void} + */ + function reportBothOperators(node) { + const parent = node.parent; + const left = getChildNode(parent) === node ? node : parent; + const right = getChildNode(parent) !== node ? node : parent; + const data = { + leftOperator: left.operator || "?:", + rightOperator: right.operator || "?:", + }; + + context.report({ + node: left, + loc: getOperatorToken(left).loc, + messageId: "unexpectedMixedOperator", + data, + }); + context.report({ + node: right, + loc: getOperatorToken(right).loc, + messageId: "unexpectedMixedOperator", + data, + }); + } + + /** + * Checks between the operator of this node and the operator of the + * parent node. + * @param {ASTNode} node A node to check. + * @returns {void} + */ + function check(node) { + if ( + TARGET_NODE_TYPE.test(node.parent.type) && + isMixedWithParent(node) && + !shouldIgnore(node) + ) { + reportBothOperators(node); + } + } + + return { + BinaryExpression: check, + LogicalExpression: check, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-mixed-requires.js b/module/node_modules/eslint/lib/rules/no-mixed-requires.js new file mode 100644 index 000000000..0d8bb5586 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-mixed-requires.js @@ -0,0 +1,267 @@ +/** + * @fileoverview Rule to enforce grouped require statements for Node.JS + * @author Raphael Pigulla + * @deprecated in ESLint v7.0.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Node.js rules were moved out of ESLint core.", + url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules", + deprecatedSince: "7.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "eslint-plugin-n now maintains deprecated Node.js-related rules.", + plugin: { + name: "eslint-plugin-n", + url: "https://github.com/eslint-community/eslint-plugin-n", + }, + rule: { + name: "no-mixed-requires", + url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-mixed-requires.md", + }, + }, + ], + }, + + type: "suggestion", + + docs: { + description: + "Disallow `require` calls to be mixed with regular variable declarations", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-mixed-requires", + }, + + schema: [ + { + oneOf: [ + { + type: "boolean", + }, + { + type: "object", + properties: { + grouping: { + type: "boolean", + }, + allowCall: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + noMixRequire: "Do not mix 'require' and other declarations.", + noMixCoreModuleFileComputed: + "Do not mix core, module, file and computed requires.", + }, + }, + + create(context) { + const options = context.options[0]; + let grouping = false, + allowCall = false; + + if (typeof options === "object") { + grouping = options.grouping; + allowCall = options.allowCall; + } else { + grouping = !!options; + } + + /** + * Returns the list of built-in modules. + * @returns {string[]} An array of built-in Node.js modules. + */ + function getBuiltinModules() { + /* + * This list is generated using: + * `require("repl")._builtinLibs.concat('repl').sort()` + * This particular list is as per nodejs v0.12.2 and iojs v0.7.1 + */ + return [ + "assert", + "buffer", + "child_process", + "cluster", + "crypto", + "dgram", + "dns", + "domain", + "events", + "fs", + "http", + "https", + "net", + "os", + "path", + "punycode", + "querystring", + "readline", + "repl", + "smalloc", + "stream", + "string_decoder", + "tls", + "tty", + "url", + "util", + "v8", + "vm", + "zlib", + ]; + } + + const BUILTIN_MODULES = getBuiltinModules(); + + const DECL_REQUIRE = "require", + DECL_UNINITIALIZED = "uninitialized", + DECL_OTHER = "other"; + + const REQ_CORE = "core", + REQ_FILE = "file", + REQ_MODULE = "module", + REQ_COMPUTED = "computed"; + + /** + * Determines the type of a declaration statement. + * @param {ASTNode} initExpression The init node of the VariableDeclarator. + * @returns {string} The type of declaration represented by the expression. + */ + function getDeclarationType(initExpression) { + if (!initExpression) { + // "var x;" + return DECL_UNINITIALIZED; + } + + if ( + initExpression.type === "CallExpression" && + initExpression.callee.type === "Identifier" && + initExpression.callee.name === "require" + ) { + // "var x = require('util');" + return DECL_REQUIRE; + } + if ( + allowCall && + initExpression.type === "CallExpression" && + initExpression.callee.type === "CallExpression" + ) { + // "var x = require('diagnose')('sub-module');" + return getDeclarationType(initExpression.callee); + } + if (initExpression.type === "MemberExpression") { + // "var x = require('glob').Glob;" + return getDeclarationType(initExpression.object); + } + + // "var x = 42;" + return DECL_OTHER; + } + + /** + * Determines the type of module that is loaded via require. + * @param {ASTNode} initExpression The init node of the VariableDeclarator. + * @returns {string} The module type. + */ + function inferModuleType(initExpression) { + if (initExpression.type === "MemberExpression") { + // "var x = require('glob').Glob;" + return inferModuleType(initExpression.object); + } + if (initExpression.arguments.length === 0) { + // "var x = require();" + return REQ_COMPUTED; + } + + const arg = initExpression.arguments[0]; + + if (arg.type !== "Literal" || typeof arg.value !== "string") { + // "var x = require(42);" + return REQ_COMPUTED; + } + + if (BUILTIN_MODULES.includes(arg.value)) { + // "var fs = require('fs');" + return REQ_CORE; + } + if (/^\.{0,2}\//u.test(arg.value)) { + // "var utils = require('./utils');" + return REQ_FILE; + } + + // "var async = require('async');" + return REQ_MODULE; + } + + /** + * Check if the list of variable declarations is mixed, i.e. whether it + * contains both require and other declarations. + * @param {ASTNode} declarations The list of VariableDeclarators. + * @returns {boolean} True if the declarations are mixed, false if not. + */ + function isMixed(declarations) { + const contains = {}; + + declarations.forEach(declaration => { + const type = getDeclarationType(declaration.init); + + contains[type] = true; + }); + + return !!( + contains[DECL_REQUIRE] && + (contains[DECL_UNINITIALIZED] || contains[DECL_OTHER]) + ); + } + + /** + * Check if all require declarations in the given list are of the same + * type. + * @param {ASTNode} declarations The list of VariableDeclarators. + * @returns {boolean} True if the declarations are grouped, false if not. + */ + function isGrouped(declarations) { + const found = {}; + + declarations.forEach(declaration => { + if (getDeclarationType(declaration.init) === DECL_REQUIRE) { + found[inferModuleType(declaration.init)] = true; + } + }); + + return Object.keys(found).length <= 1; + } + + return { + VariableDeclaration(node) { + if (isMixed(node.declarations)) { + context.report({ + node, + messageId: "noMixRequire", + }); + } else if (grouping && !isGrouped(node.declarations)) { + context.report({ + node, + messageId: "noMixCoreModuleFileComputed", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-mixed-spaces-and-tabs.js b/module/node_modules/eslint/lib/rules/no-mixed-spaces-and-tabs.js new file mode 100644 index 000000000..5983d7cfd --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-mixed-spaces-and-tabs.js @@ -0,0 +1,148 @@ +/** + * @fileoverview Disallow mixed spaces and tabs for indentation + * @author Jary Niebur + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "no-mixed-spaces-and-tabs", + url: "https://eslint.style/rules/no-mixed-spaces-and-tabs", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Disallow mixed spaces and tabs for indentation", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-mixed-spaces-and-tabs", + }, + + schema: [ + { + enum: ["smart-tabs", true, false], + }, + ], + + messages: { + mixedSpacesAndTabs: "Mixed spaces and tabs.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + let smartTabs; + + switch (context.options[0]) { + case true: // Support old syntax, maybe add deprecation warning here + case "smart-tabs": + smartTabs = true; + break; + default: + smartTabs = false; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + "Program:exit"(node) { + const lines = sourceCode.lines, + comments = sourceCode.getAllComments(), + ignoredCommentLines = new Set(); + + // Add all lines except the first ones. + comments.forEach(comment => { + for ( + let i = comment.loc.start.line + 1; + i <= comment.loc.end.line; + i++ + ) { + ignoredCommentLines.add(i); + } + }); + + /* + * At least one space followed by a tab + * or the reverse before non-tab/-space + * characters begin. + */ + let regex = /^(?=( +|\t+))\1(?:\t| )/u; + + if (smartTabs) { + /* + * At least one space followed by a tab + * before non-tab/-space characters begin. + */ + // eslint-disable-next-line regexp/no-empty-lookarounds-assertion -- False positive + regex = /^(?=(\t*))\1(?=( +))\2\t/u; + } + + lines.forEach((line, i) => { + const match = regex.exec(line); + + if (match) { + const lineNumber = i + 1; + const loc = { + start: { + line: lineNumber, + column: match[0].length - 2, + }, + end: { + line: lineNumber, + column: match[0].length, + }, + }; + + if (!ignoredCommentLines.has(lineNumber)) { + const containingNode = + sourceCode.getNodeByRangeIndex( + sourceCode.getIndexFromLoc(loc.start), + ); + + if ( + !( + containingNode && + ["Literal", "TemplateElement"].includes( + containingNode.type, + ) + ) + ) { + context.report({ + node, + loc, + messageId: "mixedSpacesAndTabs", + }); + } + } + } + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-multi-assign.js b/module/node_modules/eslint/lib/rules/no-multi-assign.js new file mode 100644 index 000000000..b4d6ddb4e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-multi-assign.js @@ -0,0 +1,66 @@ +/** + * @fileoverview Rule to check use of chained assignment expressions + * @author Stewart Rand + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + ignoreNonDeclaration: false, + }, + ], + + docs: { + description: "Disallow use of chained assignment expressions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-multi-assign", + }, + + schema: [ + { + type: "object", + properties: { + ignoreNonDeclaration: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedChain: "Unexpected chained assignment.", + }, + }, + + create(context) { + const [{ ignoreNonDeclaration }] = context.options; + const selectors = [ + "VariableDeclarator > AssignmentExpression.init", + "PropertyDefinition > AssignmentExpression.value", + ]; + + if (!ignoreNonDeclaration) { + selectors.push("AssignmentExpression > AssignmentExpression.right"); + } + + return { + [selectors](node) { + context.report({ + node, + messageId: "unexpectedChain", + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-multi-spaces.js b/module/node_modules/eslint/lib/rules/no-multi-spaces.js new file mode 100644 index 000000000..93704760a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-multi-spaces.js @@ -0,0 +1,179 @@ +/** + * @fileoverview Disallow use of multiple spaces. + * @author Nicholas C. Zakas + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "no-multi-spaces", + url: "https://eslint.style/rules/no-multi-spaces", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Disallow multiple spaces", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-multi-spaces", + }, + + fixable: "whitespace", + + schema: [ + { + type: "object", + properties: { + exceptions: { + type: "object", + patternProperties: { + "^([A-Z][a-z]*)+$": { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ignoreEOLComments: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + multipleSpaces: "Multiple spaces found before '{{displayValue}}'.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const options = context.options[0] || {}; + const ignoreEOLComments = options.ignoreEOLComments; + const exceptions = Object.assign( + { Property: true }, + options.exceptions, + ); + const hasExceptions = Object.keys(exceptions).some( + key => exceptions[key], + ); + + /** + * Formats value of given comment token for error message by truncating its length. + * @param {Token} token comment token + * @returns {string} formatted value + * @private + */ + function formatReportedCommentValue(token) { + const valueLines = token.value.split("\n"); + const value = valueLines[0]; + const formattedValue = `${value.slice(0, 12)}...`; + + return valueLines.length === 1 && value.length <= 12 + ? value + : formattedValue; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program() { + sourceCode.tokensAndComments.forEach( + (leftToken, leftIndex, tokensAndComments) => { + if (leftIndex === tokensAndComments.length - 1) { + return; + } + const rightToken = tokensAndComments[leftIndex + 1]; + + // Ignore tokens that don't have 2 spaces between them or are on different lines + if ( + !sourceCode.text + .slice(leftToken.range[1], rightToken.range[0]) + .includes(" ") || + leftToken.loc.end.line < rightToken.loc.start.line + ) { + return; + } + + // Ignore comments that are the last token on their line if `ignoreEOLComments` is active. + if ( + ignoreEOLComments && + astUtils.isCommentToken(rightToken) && + (leftIndex === tokensAndComments.length - 2 || + rightToken.loc.end.line < + tokensAndComments[leftIndex + 2].loc.start + .line) + ) { + return; + } + + // Ignore tokens that are in a node in the "exceptions" object + if (hasExceptions) { + const parentNode = sourceCode.getNodeByRangeIndex( + rightToken.range[0] - 1, + ); + + if (parentNode && exceptions[parentNode.type]) { + return; + } + } + + let displayValue; + + if (rightToken.type === "Block") { + displayValue = `/*${formatReportedCommentValue(rightToken)}*/`; + } else if (rightToken.type === "Line") { + displayValue = `//${formatReportedCommentValue(rightToken)}`; + } else { + displayValue = rightToken.value; + } + + context.report({ + node: rightToken, + loc: { + start: leftToken.loc.end, + end: rightToken.loc.start, + }, + messageId: "multipleSpaces", + data: { displayValue }, + fix: fixer => + fixer.replaceTextRange( + [leftToken.range[1], rightToken.range[0]], + " ", + ), + }); + }, + ); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-multi-str.js b/module/node_modules/eslint/lib/rules/no-multi-str.js new file mode 100644 index 000000000..4258dc2e3 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-multi-str.js @@ -0,0 +1,67 @@ +/** + * @fileoverview Rule to flag when using multiline strings + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow multiline strings", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-multi-str", + }, + + schema: [], + + messages: { + multilineString: + "Multiline support is limited to browsers supporting ES5 only.", + }, + }, + + create(context) { + /** + * Determines if a given node is part of JSX syntax. + * @param {ASTNode} node The node to check. + * @returns {boolean} True if the node is a JSX node, false if not. + * @private + */ + function isJSXElement(node) { + return node.type.indexOf("JSX") === 0; + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + Literal(node) { + if ( + astUtils.LINEBREAK_MATCHER.test(node.raw) && + !isJSXElement(node.parent) + ) { + context.report({ + node, + messageId: "multilineString", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-multiple-empty-lines.js b/module/node_modules/eslint/lib/rules/no-multiple-empty-lines.js new file mode 100644 index 000000000..1f6d72647 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-multiple-empty-lines.js @@ -0,0 +1,210 @@ +/** + * @fileoverview Disallows multiple blank lines. + * implementation adapted from the no-trailing-spaces rule. + * @author Greg Cochard + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "no-multiple-empty-lines", + url: "https://eslint.style/rules/no-multiple-empty-lines", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Disallow multiple empty lines", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-multiple-empty-lines", + }, + + fixable: "whitespace", + + schema: [ + { + type: "object", + properties: { + max: { + type: "integer", + minimum: 0, + }, + maxEOF: { + type: "integer", + minimum: 0, + }, + maxBOF: { + type: "integer", + minimum: 0, + }, + }, + required: ["max"], + additionalProperties: false, + }, + ], + + messages: { + blankBeginningOfFile: + "Too many blank lines at the beginning of file. Max of {{max}} allowed.", + blankEndOfFile: + "Too many blank lines at the end of file. Max of {{max}} allowed.", + consecutiveBlank: + "More than {{max}} blank {{pluralizedLines}} not allowed.", + }, + }, + + create(context) { + // Use options.max or 2 as default + let max = 2, + maxEOF = max, + maxBOF = max; + + if (context.options.length) { + max = context.options[0].max; + maxEOF = + typeof context.options[0].maxEOF !== "undefined" + ? context.options[0].maxEOF + : max; + maxBOF = + typeof context.options[0].maxBOF !== "undefined" + ? context.options[0].maxBOF + : max; + } + + const sourceCode = context.sourceCode; + + // Swallow the final newline, as some editors add it automatically and we don't want it to cause an issue + const allLines = + sourceCode.lines.at(-1) === "" + ? sourceCode.lines.slice(0, -1) + : sourceCode.lines; + const templateLiteralLines = new Set(); + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + TemplateLiteral(node) { + node.quasis.forEach(literalPart => { + // Empty lines have a semantic meaning if they're inside template literals. Don't count these as empty lines. + for ( + let ignoredLine = literalPart.loc.start.line; + ignoredLine < literalPart.loc.end.line; + ignoredLine++ + ) { + templateLiteralLines.add(ignoredLine); + } + }); + }, + "Program:exit"(node) { + return ( + allLines + + // Given a list of lines, first get a list of line numbers that are non-empty. + .reduce((nonEmptyLineNumbers, line, index) => { + if ( + line.trim() || + templateLiteralLines.has(index + 1) + ) { + nonEmptyLineNumbers.push(index + 1); + } + return nonEmptyLineNumbers; + }, []) + + // Add a value at the end to allow trailing empty lines to be checked. + .concat(allLines.length + 1) + + // Given two line numbers of non-empty lines, report the lines between if the difference is too large. + .reduce((lastLineNumber, lineNumber) => { + let messageId, maxAllowed; + + if (lastLineNumber === 0) { + messageId = "blankBeginningOfFile"; + maxAllowed = maxBOF; + } else if (lineNumber === allLines.length + 1) { + messageId = "blankEndOfFile"; + maxAllowed = maxEOF; + } else { + messageId = "consecutiveBlank"; + maxAllowed = max; + } + + if (lineNumber - lastLineNumber - 1 > maxAllowed) { + context.report({ + node, + loc: { + start: { + line: + lastLineNumber + maxAllowed + 1, + column: 0, + }, + end: { line: lineNumber, column: 0 }, + }, + messageId, + data: { + max: maxAllowed, + pluralizedLines: + maxAllowed === 1 ? "line" : "lines", + }, + fix(fixer) { + const rangeStart = + sourceCode.getIndexFromLoc({ + line: lastLineNumber + 1, + column: 0, + }); + + /* + * The end of the removal range is usually the start index of the next line. + * However, at the end of the file there is no next line, so the end of the + * range is just the length of the text. + */ + const lineNumberAfterRemovedLines = + lineNumber - maxAllowed; + const rangeEnd = + lineNumberAfterRemovedLines <= + allLines.length + ? sourceCode.getIndexFromLoc({ + line: lineNumberAfterRemovedLines, + column: 0, + }) + : sourceCode.text.length; + + return fixer.removeRange([ + rangeStart, + rangeEnd, + ]); + }, + }); + } + + return lineNumber; + }, 0) + ); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-native-reassign.js b/module/node_modules/eslint/lib/rules/no-native-reassign.js new file mode 100644 index 000000000..f4eef0632 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-native-reassign.js @@ -0,0 +1,114 @@ +/** + * @fileoverview Rule to disallow assignments to native objects or read-only global variables + * @author Ilya Volodin + * @deprecated in ESLint v3.3.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow assignments to native objects or read-only global variables", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-native-reassign", + }, + + deprecated: { + message: "Renamed rule.", + url: "https://eslint.org/blog/2016/08/eslint-v3.3.0-released/#deprecated-rules", + deprecatedSince: "3.3.0", + availableUntil: "11.0.0", + replacedBy: [ + { + rule: { + name: "no-global-assign", + url: "https://eslint.org/docs/rules/no-global-assign", + }, + }, + ], + }, + + schema: [ + { + type: "object", + properties: { + exceptions: { + type: "array", + items: { type: "string" }, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + nativeReassign: + "Read-only global '{{name}}' should not be modified.", + }, + }, + + create(context) { + const config = context.options[0]; + const exceptions = (config && config.exceptions) || []; + const sourceCode = context.sourceCode; + + /** + * Reports write references. + * @param {Reference} reference A reference to check. + * @param {number} index The index of the reference in the references. + * @param {Reference[]} references The array that the reference belongs to. + * @returns {void} + */ + function checkReference(reference, index, references) { + const identifier = reference.identifier; + + if ( + reference.init === false && + reference.isWrite() && + /* + * Destructuring assignments can have multiple default value, + * so possibly there are multiple writeable references for the same identifier. + */ + (index === 0 || references[index - 1].identifier !== identifier) + ) { + context.report({ + node: identifier, + messageId: "nativeReassign", + data: identifier, + }); + } + } + + /** + * Reports write references if a given variable is read-only builtin. + * @param {Variable} variable A variable to check. + * @returns {void} + */ + function checkVariable(variable) { + if ( + variable.writeable === false && + !exceptions.includes(variable.name) + ) { + variable.references.forEach(checkReference); + } + } + + return { + Program(node) { + const globalScope = sourceCode.getScope(node); + + globalScope.variables.forEach(checkVariable); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-negated-condition.js b/module/node_modules/eslint/lib/rules/no-negated-condition.js new file mode 100644 index 000000000..33c150e89 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-negated-condition.js @@ -0,0 +1,100 @@ +/** + * @fileoverview Rule to disallow a negated condition + * @author Alberto Rodríguez + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow negated conditions", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-negated-condition", + }, + + schema: [], + + messages: { + unexpectedNegated: "Unexpected negated condition.", + }, + }, + + create(context) { + /** + * Determines if a given node is an if-else without a condition on the else + * @param {ASTNode} node The node to check. + * @returns {boolean} True if the node has an else without an if. + * @private + */ + function hasElseWithoutCondition(node) { + return node.alternate && node.alternate.type !== "IfStatement"; + } + + /** + * Determines if a given node is a negated unary expression + * @param {Object} test The test object to check. + * @returns {boolean} True if the node is a negated unary expression. + * @private + */ + function isNegatedUnaryExpression(test) { + return test.type === "UnaryExpression" && test.operator === "!"; + } + + /** + * Determines if a given node is a negated binary expression + * @param {Test} test The test to check. + * @returns {boolean} True if the node is a negated binary expression. + * @private + */ + function isNegatedBinaryExpression(test) { + return ( + test.type === "BinaryExpression" && + (test.operator === "!=" || test.operator === "!==") + ); + } + + /** + * Determines if a given node has a negated if expression + * @param {ASTNode} node The node to check. + * @returns {boolean} True if the node has a negated if expression. + * @private + */ + function isNegatedIf(node) { + return ( + isNegatedUnaryExpression(node.test) || + isNegatedBinaryExpression(node.test) + ); + } + + return { + IfStatement(node) { + if (!hasElseWithoutCondition(node)) { + return; + } + + if (isNegatedIf(node)) { + context.report({ + node, + messageId: "unexpectedNegated", + }); + } + }, + ConditionalExpression(node) { + if (isNegatedIf(node)) { + context.report({ + node, + messageId: "unexpectedNegated", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-negated-in-lhs.js b/module/node_modules/eslint/lib/rules/no-negated-in-lhs.js new file mode 100644 index 000000000..f003cb306 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-negated-in-lhs.js @@ -0,0 +1,59 @@ +/** + * @fileoverview A rule to disallow negated left operands of the `in` operator + * @author Michael Ficarra + * @deprecated in ESLint v3.3.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow negating the left operand in `in` expressions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-negated-in-lhs", + }, + + deprecated: { + message: "Renamed rule.", + url: "https://eslint.org/blog/2016/08/eslint-v3.3.0-released/#deprecated-rules", + deprecatedSince: "3.3.0", + availableUntil: "11.0.0", + replacedBy: [ + { + rule: { + name: "no-unsafe-negation", + url: "https://eslint.org/docs/rules/no-unsafe-negation", + }, + }, + ], + }, + schema: [], + + messages: { + negatedLHS: "The 'in' expression's left operand is negated.", + }, + }, + + create(context) { + return { + BinaryExpression(node) { + if ( + node.operator === "in" && + node.left.type === "UnaryExpression" && + node.left.operator === "!" + ) { + context.report({ node, messageId: "negatedLHS" }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-nested-ternary.js b/module/node_modules/eslint/lib/rules/no-nested-ternary.js new file mode 100644 index 000000000..8e5dbb78c --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-nested-ternary.js @@ -0,0 +1,46 @@ +/** + * @fileoverview Rule to flag nested ternary expressions + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow nested ternary expressions", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-nested-ternary", + }, + + schema: [], + + messages: { + noNestedTernary: "Do not nest ternary expressions.", + }, + }, + + create(context) { + return { + ConditionalExpression(node) { + if ( + node.alternate.type === "ConditionalExpression" || + node.consequent.type === "ConditionalExpression" + ) { + context.report({ + node, + messageId: "noNestedTernary", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-new-func.js b/module/node_modules/eslint/lib/rules/no-new-func.js new file mode 100644 index 000000000..760dc640f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-new-func.js @@ -0,0 +1,96 @@ +/** + * @fileoverview Rule to flag when using new Function + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const callMethods = new Set(["apply", "bind", "call"]); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow `new` operators with the `Function` object", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-new-func", + }, + + schema: [], + + messages: { + noFunctionConstructor: "The Function constructor is eval.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + "Program:exit"(node) { + const globalScope = sourceCode.getScope(node); + const variable = globalScope.set.get("Function"); + + if (variable && variable.defs.length === 0) { + variable.references.forEach(ref => { + const idNode = ref.identifier; + const { parent } = idNode; + let evalNode; + + if (parent) { + if ( + idNode === parent.callee && + (parent.type === "NewExpression" || + parent.type === "CallExpression") + ) { + evalNode = parent; + } else if ( + parent.type === "MemberExpression" && + idNode === parent.object && + callMethods.has( + astUtils.getStaticPropertyName(parent), + ) + ) { + const maybeCallee = + parent.parent.type === "ChainExpression" + ? parent.parent + : parent; + + if ( + maybeCallee.parent.type === + "CallExpression" && + maybeCallee.parent.callee === maybeCallee + ) { + evalNode = maybeCallee.parent; + } + } + } + + if (evalNode) { + context.report({ + node: evalNode, + messageId: "noFunctionConstructor", + }); + } + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-new-native-nonconstructor.js b/module/node_modules/eslint/lib/rules/no-new-native-nonconstructor.js new file mode 100644 index 000000000..0ae892cd5 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-new-native-nonconstructor.js @@ -0,0 +1,70 @@ +/** + * @fileoverview Rule to disallow use of the new operator with global non-constructor functions + * @author Sosuke Suzuki + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const nonConstructorGlobalFunctionNames = ["Symbol", "BigInt"]; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow `new` operators with global non-constructor functions", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-new-native-nonconstructor", + }, + + schema: [], + + messages: { + noNewNonconstructor: + "`{{name}}` cannot be called as a constructor.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + "Program:exit"(node) { + const globalScope = sourceCode.getScope(node); + + for (const nonConstructorName of nonConstructorGlobalFunctionNames) { + const variable = globalScope.set.get(nonConstructorName); + + if (variable && variable.defs.length === 0) { + variable.references.forEach(ref => { + const idNode = ref.identifier; + const parent = idNode.parent; + + if ( + parent && + parent.type === "NewExpression" && + parent.callee === idNode + ) { + context.report({ + node: idNode, + messageId: "noNewNonconstructor", + data: { name: nonConstructorName }, + }); + } + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-new-object.js b/module/node_modules/eslint/lib/rules/no-new-object.js new file mode 100644 index 000000000..f18bf974f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-new-object.js @@ -0,0 +1,76 @@ +/** + * @fileoverview A rule to disallow calls to the Object constructor + * @author Matt DuVall + * @deprecated in ESLint v8.50.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow `Object` constructors", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-new-object", + }, + + deprecated: { + message: + "The new rule flags more situations where object literal syntax can be used, and it does not report a problem when the `Object` constructor is invoked with an argument.", + url: "https://eslint.org/blog/2023/09/eslint-v8.50.0-released/", + deprecatedSince: "8.50.0", + availableUntil: "11.0.0", + replacedBy: [ + { + rule: { + name: "no-object-constructor", + url: "https://eslint.org/docs/rules/no-object-constructor", + }, + }, + ], + }, + + schema: [], + + messages: { + preferLiteral: "The object literal notation {} is preferable.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + NewExpression(node) { + const variable = astUtils.getVariableByName( + sourceCode.getScope(node), + node.callee.name, + ); + + if (variable && variable.identifiers.length > 0) { + return; + } + + if (node.callee.name === "Object") { + context.report({ + node, + messageId: "preferLiteral", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-new-require.js b/module/node_modules/eslint/lib/rules/no-new-require.js new file mode 100644 index 000000000..09d136c83 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-new-require.js @@ -0,0 +1,67 @@ +/** + * @fileoverview Rule to disallow use of new operator with the `require` function + * @author Wil Moore III + * @deprecated in ESLint v7.0.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Node.js rules were moved out of ESLint core.", + url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules", + deprecatedSince: "7.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "eslint-plugin-n now maintains deprecated Node.js-related rules.", + plugin: { + name: "eslint-plugin-n", + url: "https://github.com/eslint-community/eslint-plugin-n", + }, + rule: { + name: "no-new-require", + url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-new-require.md", + }, + }, + ], + }, + + type: "suggestion", + + docs: { + description: "Disallow `new` operators with calls to `require`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-new-require", + }, + + schema: [], + + messages: { + noNewRequire: "Unexpected use of new with require.", + }, + }, + + create(context) { + return { + NewExpression(node) { + if ( + node.callee.type === "Identifier" && + node.callee.name === "require" + ) { + context.report({ + node, + messageId: "noNewRequire", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-new-symbol.js b/module/node_modules/eslint/lib/rules/no-new-symbol.js new file mode 100644 index 000000000..838f502f5 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-new-symbol.js @@ -0,0 +1,74 @@ +/** + * @fileoverview Rule to disallow use of the new operator with the `Symbol` object + * @author Alberto Rodríguez + * @deprecated in ESLint v9.0.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow `new` operators with the `Symbol` object", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-new-symbol", + }, + + deprecated: { + message: "The rule was replaced with a more general rule.", + url: "https://eslint.org/docs/latest/use/migrate-to-9.0.0#eslint-recommended", + deprecatedSince: "9.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + rule: { + name: "no-new-native-nonconstructor", + url: "https://eslint.org/docs/latest/rules/no-new-native-nonconstructor", + }, + }, + ], + }, + + schema: [], + + messages: { + noNewSymbol: "`Symbol` cannot be called as a constructor.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + "Program:exit"(node) { + const globalScope = sourceCode.getScope(node); + const variable = globalScope.set.get("Symbol"); + + if (variable && variable.defs.length === 0) { + variable.references.forEach(ref => { + const idNode = ref.identifier; + const parent = idNode.parent; + + if ( + parent && + parent.type === "NewExpression" && + parent.callee === idNode + ) { + context.report({ + node: idNode, + messageId: "noNewSymbol", + }); + } + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-new-wrappers.js b/module/node_modules/eslint/lib/rules/no-new-wrappers.js new file mode 100644 index 000000000..84025dbf1 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-new-wrappers.js @@ -0,0 +1,62 @@ +/** + * @fileoverview Rule to flag when using constructor for wrapper objects + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { getVariableByName } = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow `new` operators with the `String`, `Number`, and `Boolean` objects", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-new-wrappers", + }, + + schema: [], + + messages: { + noConstructor: "Do not use {{fn}} as a constructor.", + }, + }, + + create(context) { + const { sourceCode } = context; + + return { + NewExpression(node) { + const wrapperObjects = ["String", "Number", "Boolean"]; + const { name } = node.callee; + + if (wrapperObjects.includes(name)) { + const variable = getVariableByName( + sourceCode.getScope(node), + name, + ); + + if (variable && variable.identifiers.length === 0) { + context.report({ + node, + messageId: "noConstructor", + data: { fn: name }, + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-new.js b/module/node_modules/eslint/lib/rules/no-new.js new file mode 100644 index 000000000..8f91835b2 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-new.js @@ -0,0 +1,42 @@ +/** + * @fileoverview Rule to flag statements with function invocation preceded by + * "new" and not part of assignment + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow `new` operators outside of assignments or comparisons", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-new", + }, + + schema: [], + + messages: { + noNewStatement: "Do not use 'new' for side effects.", + }, + }, + + create(context) { + return { + "ExpressionStatement > NewExpression"(node) { + context.report({ + node: node.parent, + messageId: "noNewStatement", + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-nonoctal-decimal-escape.js b/module/node_modules/eslint/lib/rules/no-nonoctal-decimal-escape.js new file mode 100644 index 000000000..d09b7994b --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-nonoctal-decimal-escape.js @@ -0,0 +1,176 @@ +/** + * @fileoverview Rule to disallow `\8` and `\9` escape sequences in string literals. + * @author Milos Djermanovic + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** + * @import { SourceRange } from "@eslint/core"; + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const QUICK_TEST_REGEX = /\\[89]/u; + +/** + * Returns unicode escape sequence that represents the given character. + * @param {string} character A single code unit. + * @returns {string} "\uXXXX" sequence. + */ +function getUnicodeEscape(character) { + return `\\u${character.charCodeAt(0).toString(16).padStart(4, "0")}`; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow `\\8` and `\\9` escape sequences in string literals", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-nonoctal-decimal-escape", + }, + + hasSuggestions: true, + + schema: [], + + messages: { + decimalEscape: "Don't use '{{decimalEscape}}' escape sequence.", + + // suggestions + refactor: + "Replace '{{original}}' with '{{replacement}}'. This maintains the current functionality.", + escapeBackslash: + "Replace '{{original}}' with '{{replacement}}' to include the actual backslash character.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Creates a new Suggestion object. + * @param {string} messageId "refactor" or "escapeBackslash". + * @param {SourceRange} range The range to replace. + * @param {string} replacement New text for the range. + * @returns {Object} Suggestion + */ + function createSuggestion(messageId, range, replacement) { + return { + messageId, + data: { + original: sourceCode.getText().slice(...range), + replacement, + }, + fix(fixer) { + return fixer.replaceTextRange(range, replacement); + }, + }; + } + + return { + Literal(node) { + if (typeof node.value !== "string") { + return; + } + + if (!QUICK_TEST_REGEX.test(node.raw)) { + return; + } + + const regex = + /(?:[^\\]|(?\\.))*?(?\\[89])/suy; + let match; + + while ((match = regex.exec(node.raw))) { + const { previousEscape, decimalEscape } = match.groups; + const decimalEscapeRangeEnd = + node.range[0] + match.index + match[0].length; + const decimalEscapeRangeStart = + decimalEscapeRangeEnd - decimalEscape.length; + const decimalEscapeRange = [ + decimalEscapeRangeStart, + decimalEscapeRangeEnd, + ]; + const suggest = []; + + // When `regex` is matched, `previousEscape` can only capture characters adjacent to `decimalEscape` + if (previousEscape === "\\0") { + /* + * Now we have a NULL escape "\0" immediately followed by a decimal escape, e.g.: "\0\8". + * Fixing this to "\08" would turn "\0" into a legacy octal escape. To avoid producing + * an octal escape while fixing a decimal escape, we provide different suggestions. + */ + suggest.push( + createSuggestion( + // "\0\8" -> "\u00008" + "refactor", + [ + decimalEscapeRangeStart - + previousEscape.length, + decimalEscapeRangeEnd, + ], + `${getUnicodeEscape("\0")}${decimalEscape[1]}`, + ), + createSuggestion( + // "\8" -> "\u0038" + "refactor", + decimalEscapeRange, + getUnicodeEscape(decimalEscape[1]), + ), + ); + } else { + suggest.push( + createSuggestion( + // "\8" -> "8" + "refactor", + decimalEscapeRange, + decimalEscape[1], + ), + ); + } + + suggest.push( + createSuggestion( + // "\8" -> "\\8" + "escapeBackslash", + decimalEscapeRange, + `\\${decimalEscape}`, + ), + ); + + context.report({ + node, + loc: { + start: sourceCode.getLocFromIndex( + decimalEscapeRangeStart, + ), + end: sourceCode.getLocFromIndex( + decimalEscapeRangeEnd, + ), + }, + messageId: "decimalEscape", + data: { + decimalEscape, + }, + suggest, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-obj-calls.js b/module/node_modules/eslint/lib/rules/no-obj-calls.js new file mode 100644 index 000000000..df76b482e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-obj-calls.js @@ -0,0 +1,99 @@ +/** + * @fileoverview Rule to flag use of an object property of the global object (Math and JSON) as a function + * @author James Allardice + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { + CALL, + CONSTRUCT, + ReferenceTracker, +} = require("@eslint-community/eslint-utils"); +const getPropertyName = require("./utils/ast-utils").getStaticPropertyName; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const nonCallableGlobals = ["Atomics", "JSON", "Math", "Reflect", "Intl"]; + +/** + * Returns the name of the node to report + * @param {ASTNode} node A node to report + * @returns {string} name to report + */ +function getReportNodeName(node) { + if (node.type === "ChainExpression") { + return getReportNodeName(node.expression); + } + if (node.type === "MemberExpression") { + return getPropertyName(node); + } + return node.name; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow calling global object properties as functions", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-obj-calls", + }, + + schema: [], + + messages: { + unexpectedCall: "'{{name}}' is not a function.", + unexpectedRefCall: + "'{{name}}' is reference to '{{ref}}', which is not a function.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + Program(node) { + const scope = sourceCode.getScope(node); + const tracker = new ReferenceTracker(scope); + const traceMap = {}; + + for (const g of nonCallableGlobals) { + traceMap[g] = { + [CALL]: true, + [CONSTRUCT]: true, + }; + } + + for (const { + node: refNode, + path, + } of tracker.iterateGlobalReferences(traceMap)) { + const name = getReportNodeName(refNode.callee); + const ref = path[0]; + const messageId = + name === ref ? "unexpectedCall" : "unexpectedRefCall"; + + context.report({ + node: refNode, + messageId, + data: { name, ref }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-object-constructor.js b/module/node_modules/eslint/lib/rules/no-object-constructor.js new file mode 100644 index 000000000..fffa61227 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-object-constructor.js @@ -0,0 +1,124 @@ +/** + * @fileoverview Rule to disallow calls to the `Object` constructor without an argument + * @author Francesco Trotta + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { + getVariableByName, + isArrowToken, + isStartOfExpressionStatement, + needsPrecedingSemicolon, +} = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow calls to the `Object` constructor without an argument", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-object-constructor", + }, + + hasSuggestions: true, + + schema: [], + + messages: { + preferLiteral: "The object literal notation {} is preferable.", + useLiteral: "Replace with '{{replacement}}'.", + useLiteralAfterSemicolon: + "Replace with '{{replacement}}', add preceding semicolon.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Determines whether or not an object literal that replaces a specified node needs to be enclosed in parentheses. + * @param {ASTNode} node The node to be replaced. + * @returns {boolean} Whether or not parentheses around the object literal are required. + */ + function needsParentheses(node) { + if (isStartOfExpressionStatement(node)) { + return true; + } + + const prevToken = sourceCode.getTokenBefore(node); + + if (prevToken && isArrowToken(prevToken)) { + return true; + } + + return false; + } + + /** + * Reports on nodes where the `Object` constructor is called without arguments. + * @param {ASTNode} node The node to evaluate. + * @returns {void} + */ + function check(node) { + if ( + node.callee.type !== "Identifier" || + node.callee.name !== "Object" || + node.arguments.length + ) { + return; + } + + const variable = getVariableByName( + sourceCode.getScope(node), + "Object", + ); + + if (variable && variable.identifiers.length === 0) { + let replacement; + let fixText; + let messageId = "useLiteral"; + + if (needsParentheses(node)) { + replacement = "({})"; + if (needsPrecedingSemicolon(sourceCode, node)) { + fixText = ";({})"; + messageId = "useLiteralAfterSemicolon"; + } else { + fixText = "({})"; + } + } else { + replacement = fixText = "{}"; + } + + context.report({ + node, + messageId: "preferLiteral", + suggest: [ + { + messageId, + data: { replacement }, + fix: fixer => fixer.replaceText(node, fixText), + }, + ], + }); + } + } + + return { + CallExpression: check, + NewExpression: check, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-octal-escape.js b/module/node_modules/eslint/lib/rules/no-octal-escape.js new file mode 100644 index 000000000..975b30854 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-octal-escape.js @@ -0,0 +1,53 @@ +/** + * @fileoverview Rule to flag octal escape sequences in string literals. + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow octal escape sequences in string literals", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-octal-escape", + }, + + schema: [], + + messages: { + octalEscapeSequence: + "Don't use octal: '\\{{sequence}}'. Use '\\u....' instead.", + }, + }, + + create(context) { + return { + Literal(node) { + if (typeof node.value !== "string") { + return; + } + + // \0 represents a valid NULL character if it isn't followed by a digit. + const match = node.raw.match( + /^(?:[^\\]|\\.)*?\\([0-3][0-7]{1,2}|[4-7][0-7]|0(?=[89])|[1-7])/su, + ); + + if (match) { + context.report({ + node, + messageId: "octalEscapeSequence", + data: { sequence: match[1] }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-octal.js b/module/node_modules/eslint/lib/rules/no-octal.js new file mode 100644 index 000000000..e5ea9bda0 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-octal.js @@ -0,0 +1,42 @@ +/** + * @fileoverview Rule to flag when initializing octal literal + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow octal literals", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-octal", + }, + + schema: [], + + messages: { + noOctal: "Octal literals should not be used.", + }, + }, + + create(context) { + return { + Literal(node) { + if (typeof node.value === "number" && /^0\d/u.test(node.raw)) { + context.report({ + node, + messageId: "noOctal", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-param-reassign.js b/module/node_modules/eslint/lib/rules/no-param-reassign.js new file mode 100644 index 000000000..ec22030a7 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-param-reassign.js @@ -0,0 +1,248 @@ +/** + * @fileoverview Disallow reassigning function parameters. + * @author Nat Burns + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const stopNodePattern = + /(?:Statement|Declaration|Function(?:Expression)?|Program)$/u; + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow reassigning function parameters", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-param-reassign", + }, + + schema: [ + { + oneOf: [ + { + type: "object", + properties: { + props: { + enum: [false], + }, + }, + additionalProperties: false, + }, + { + type: "object", + properties: { + props: { + enum: [true], + }, + ignorePropertyModificationsFor: { + type: "array", + items: { + type: "string", + }, + uniqueItems: true, + }, + ignorePropertyModificationsForRegex: { + type: "array", + items: { + type: "string", + }, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + assignmentToFunctionParam: + "Assignment to function parameter '{{name}}'.", + assignmentToFunctionParamProp: + "Assignment to property of function parameter '{{name}}'.", + }, + }, + + create(context) { + const props = context.options[0] && context.options[0].props; + const ignoredPropertyAssignmentsFor = + (context.options[0] && + context.options[0].ignorePropertyModificationsFor) || + []; + const ignoredPropertyAssignmentsForRegex = + (context.options[0] && + context.options[0].ignorePropertyModificationsForRegex) || + []; + const sourceCode = context.sourceCode; + + /** + * Checks whether or not the reference modifies properties of its variable. + * @param {Reference} reference A reference to check. + * @returns {boolean} Whether or not the reference modifies properties of its variable. + */ + function isModifyingProp(reference) { + let node = reference.identifier; + let parent = node.parent; + + while ( + parent && + (!stopNodePattern.test(parent.type) || + parent.type === "ForInStatement" || + parent.type === "ForOfStatement") + ) { + switch (parent.type) { + // e.g. foo.a = 0; + case "AssignmentExpression": + return parent.left === node; + + // e.g. ++foo.a; + case "UpdateExpression": + return true; + + // e.g. delete foo.a; + case "UnaryExpression": + if (parent.operator === "delete") { + return true; + } + break; + + // e.g. for (foo.a in b) {} + case "ForInStatement": + case "ForOfStatement": + if (parent.left === node) { + return true; + } + + // this is a stop node for parent.right and parent.body + return false; + + // EXCLUDES: e.g. cache.get(foo.a).b = 0; + case "CallExpression": + if (parent.callee !== node) { + return false; + } + break; + + // EXCLUDES: e.g. cache[foo.a] = 0; + case "MemberExpression": + if (parent.property === node) { + return false; + } + break; + + // EXCLUDES: e.g. ({ [foo]: a }) = bar; + case "Property": + if (parent.key === node) { + return false; + } + + break; + + // EXCLUDES: e.g. (foo ? a : b).c = bar; + case "ConditionalExpression": + if (parent.test === node) { + return false; + } + + break; + + // no default + } + + node = parent; + parent = node.parent; + } + + return false; + } + + /** + * Tests that an identifier name matches any of the ignored property assignments. + * First we test strings in ignoredPropertyAssignmentsFor. + * Then we instantiate and test RegExp objects from ignoredPropertyAssignmentsForRegex strings. + * @param {string} identifierName A string that describes the name of an identifier to + * ignore property assignments for. + * @returns {boolean} Whether the string matches an ignored property assignment regular expression or not. + */ + function isIgnoredPropertyAssignment(identifierName) { + return ( + ignoredPropertyAssignmentsFor.includes(identifierName) || + ignoredPropertyAssignmentsForRegex.some(ignored => + new RegExp(ignored, "u").test(identifierName), + ) + ); + } + + /** + * Reports a reference if is non initializer and writable. + * @param {Reference} reference A reference to check. + * @param {number} index The index of the reference in the references. + * @param {Reference[]} references The array that the reference belongs to. + * @returns {void} + */ + function checkReference(reference, index, references) { + const identifier = reference.identifier; + + if ( + identifier && + !reference.init && + /* + * Destructuring assignments can have multiple default value, + * so possibly there are multiple writeable references for the same identifier. + */ + (index === 0 || references[index - 1].identifier !== identifier) + ) { + if (reference.isWrite()) { + context.report({ + node: identifier, + messageId: "assignmentToFunctionParam", + data: { name: identifier.name }, + }); + } else if ( + props && + isModifyingProp(reference) && + !isIgnoredPropertyAssignment(identifier.name) + ) { + context.report({ + node: identifier, + messageId: "assignmentToFunctionParamProp", + data: { name: identifier.name }, + }); + } + } + } + + /** + * Finds and reports references that are non initializer and writable. + * @param {Variable} variable A variable to check. + * @returns {void} + */ + function checkVariable(variable) { + if (variable.defs[0].type === "Parameter") { + variable.references.forEach(checkReference); + } + } + + /** + * Checks parameters of a given function node. + * @param {ASTNode} node A function node to check. + * @returns {void} + */ + function checkForFunction(node) { + sourceCode.getDeclaredVariables(node).forEach(checkVariable); + } + + return { + // `:exit` is needed for the `node.parent` property of identifier nodes. + "FunctionDeclaration:exit": checkForFunction, + "FunctionExpression:exit": checkForFunction, + "ArrowFunctionExpression:exit": checkForFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-path-concat.js b/module/node_modules/eslint/lib/rules/no-path-concat.js new file mode 100644 index 000000000..230a39438 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-path-concat.js @@ -0,0 +1,79 @@ +/** + * @fileoverview Disallow string concatenation when using __dirname and __filename + * @author Nicholas C. Zakas + * @deprecated in ESLint v7.0.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Node.js rules were moved out of ESLint core.", + url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules", + deprecatedSince: "7.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "eslint-plugin-n now maintains deprecated Node.js-related rules.", + plugin: { + name: "eslint-plugin-n", + url: "https://github.com/eslint-community/eslint-plugin-n", + }, + rule: { + name: "no-path-concat", + url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-path-concat.md", + }, + }, + ], + }, + + type: "suggestion", + + docs: { + description: + "Disallow string concatenation with `__dirname` and `__filename`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-path-concat", + }, + + schema: [], + + messages: { + usePathFunctions: + "Use path.join() or path.resolve() instead of + to create paths.", + }, + }, + + create(context) { + const MATCHER = /^__(?:dir|file)name$/u; + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + BinaryExpression(node) { + const left = node.left, + right = node.right; + + if ( + node.operator === "+" && + ((left.type === "Identifier" && MATCHER.test(left.name)) || + (right.type === "Identifier" && + MATCHER.test(right.name))) + ) { + context.report({ + node, + messageId: "usePathFunctions", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-plusplus.js b/module/node_modules/eslint/lib/rules/no-plusplus.js new file mode 100644 index 000000000..1f3a9f0f8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-plusplus.js @@ -0,0 +1,102 @@ +/** + * @fileoverview Rule to flag use of unary increment and decrement operators. + * @author Ian Christian Myers + * @author Brody McKee (github.com/mrmckeb) + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines whether the given node is the update node of a `ForStatement`. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is `ForStatement` update. + */ +function isForStatementUpdate(node) { + const parent = node.parent; + + return parent.type === "ForStatement" && parent.update === node; +} + +/** + * Determines whether the given node is considered to be a for loop "afterthought" by the logic of this rule. + * In particular, it returns `true` if the given node is either: + * - The update node of a `ForStatement`: for (;; i++) {} + * - An operand of a sequence expression that is the update node: for (;; foo(), i++) {} + * - An operand of a sequence expression that is child of another sequence expression, etc., + * up to the sequence expression that is the update node: for (;; foo(), (bar(), (baz(), i++))) {} + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is a for loop afterthought. + */ +function isForLoopAfterthought(node) { + const parent = node.parent; + + if (parent.type === "SequenceExpression") { + return isForLoopAfterthought(parent); + } + + return isForStatementUpdate(node); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + allowForLoopAfterthoughts: false, + }, + ], + + docs: { + description: "Disallow the unary operators `++` and `--`", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-plusplus", + }, + + schema: [ + { + type: "object", + properties: { + allowForLoopAfterthoughts: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedUnaryOp: "Unary operator '{{operator}}' used.", + }, + }, + + create(context) { + const [{ allowForLoopAfterthoughts }] = context.options; + + return { + UpdateExpression(node) { + if (allowForLoopAfterthoughts && isForLoopAfterthought(node)) { + return; + } + + context.report({ + node, + messageId: "unexpectedUnaryOp", + data: { + operator: node.operator, + }, + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-process-env.js b/module/node_modules/eslint/lib/rules/no-process-env.js new file mode 100644 index 000000000..c9dc353ff --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-process-env.js @@ -0,0 +1,68 @@ +/** + * @fileoverview Disallow the use of process.env() + * @author Vignesh Anand + * @deprecated in ESLint v7.0.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Node.js rules were moved out of ESLint core.", + url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules", + deprecatedSince: "7.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "eslint-plugin-n now maintains deprecated Node.js-related rules.", + plugin: { + name: "eslint-plugin-n", + url: "https://github.com/eslint-community/eslint-plugin-n", + }, + rule: { + name: "no-process-env", + url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-process-env.md", + }, + }, + ], + }, + + type: "suggestion", + + docs: { + description: "Disallow the use of `process.env`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-process-env", + }, + + schema: [], + + messages: { + unexpectedProcessEnv: "Unexpected use of process.env.", + }, + }, + + create(context) { + return { + MemberExpression(node) { + const objectName = node.object.name, + propertyName = node.property.name; + + if ( + objectName === "process" && + !node.computed && + propertyName && + propertyName === "env" + ) { + context.report({ node, messageId: "unexpectedProcessEnv" }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-process-exit.js b/module/node_modules/eslint/lib/rules/no-process-exit.js new file mode 100644 index 000000000..79f8153a6 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-process-exit.js @@ -0,0 +1,67 @@ +/** + * @fileoverview Disallow the use of process.exit() + * @author Nicholas C. Zakas + * @deprecated in ESLint v7.0.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Node.js rules were moved out of ESLint core.", + url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules", + deprecatedSince: "7.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "eslint-plugin-n now maintains deprecated Node.js-related rules.", + plugin: { + name: "eslint-plugin-n", + url: "https://github.com/eslint-community/eslint-plugin-n", + }, + rule: { + name: "no-process-exit", + url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-process-exit.md", + }, + }, + ], + }, + + type: "suggestion", + + docs: { + description: "Disallow the use of `process.exit()`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-process-exit", + }, + + schema: [], + + messages: { + noProcessExit: "Don't use process.exit(); throw an error instead.", + }, + }, + + create(context) { + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + "CallExpression > MemberExpression.callee[object.name = 'process'][property.name = 'exit']"( + node, + ) { + context.report({ + node: node.parent, + messageId: "noProcessExit", + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-promise-executor-return.js b/module/node_modules/eslint/lib/rules/no-promise-executor-return.js new file mode 100644 index 000000000..647f3ac08 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-promise-executor-return.js @@ -0,0 +1,264 @@ +/** + * @fileoverview Rule to disallow returning values from Promise executor functions + * @author Milos Djermanovic + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const functionTypesToCheck = new Set([ + "ArrowFunctionExpression", + "FunctionExpression", +]); + +/** + * Determines whether the given function node is used as a Promise executor. + * @param {ASTNode} node The node to check. + * @param {SourceCode} sourceCode Source code to which the node belongs. + * @returns {boolean} `true` if the node is a Promise executor. + */ +function isPromiseExecutor(node, sourceCode) { + const parent = node.parent; + + return ( + parent.type === "NewExpression" && + parent.arguments[0] === node && + parent.callee.type === "Identifier" && + parent.callee.name === "Promise" && + sourceCode.isGlobalReference(parent.callee) + ); +} + +/** + * Checks if the given node is a void expression. + * @param {ASTNode} node The node to check. + * @returns {boolean} - `true` if the node is a void expression + */ +function expressionIsVoid(node) { + return node.type === "UnaryExpression" && node.operator === "void"; +} + +/** + * Fixes the linting error by prepending "void " to the given node + * @param {Object} sourceCode context given by context.sourceCode + * @param {ASTNode} node The node to fix. + * @param {Object} fixer The fixer object provided by ESLint. + * @returns {Array} - An array of fix objects to apply to the node. + */ +function voidPrependFixer(sourceCode, node, fixer) { + const requiresParens = + // prepending `void ` will fail if the node has a lower precedence than void + astUtils.getPrecedence(node) < + astUtils.getPrecedence({ + type: "UnaryExpression", + operator: "void", + }) && + // check if there are parentheses around the node to avoid redundant parentheses + !astUtils.isParenthesised(sourceCode, node); + + // avoid parentheses issues + const returnOrArrowToken = sourceCode.getTokenBefore( + node, + node.parent.type === "ArrowFunctionExpression" + ? astUtils.isArrowToken + : // isReturnToken + token => token.type === "Keyword" && token.value === "return", + ); + + const firstToken = sourceCode.getTokenAfter(returnOrArrowToken); + + const prependSpace = + // is return token, as => allows void to be adjacent + returnOrArrowToken.value === "return" && + // If two tokens (return and "(") are adjacent + returnOrArrowToken.range[1] === firstToken.range[0]; + + return [ + fixer.insertTextBefore( + firstToken, + `${prependSpace ? " " : ""}void ${requiresParens ? "(" : ""}`, + ), + fixer.insertTextAfter(node, requiresParens ? ")" : ""), + ]; +} + +/** + * Fixes the linting error by `wrapping {}` around the given node's body. + * @param {Object} sourceCode context given by context.sourceCode + * @param {ASTNode} node The node to fix. + * @param {Object} fixer The fixer object provided by ESLint. + * @returns {Array} - An array of fix objects to apply to the node. + */ +function curlyWrapFixer(sourceCode, node, fixer) { + // https://github.com/eslint/eslint/pull/17282#issuecomment-1592795923 + const arrowToken = sourceCode.getTokenBefore( + node.body, + astUtils.isArrowToken, + ); + const firstToken = sourceCode.getTokenAfter(arrowToken); + const lastToken = sourceCode.getLastToken(node); + + return [ + fixer.insertTextBefore(firstToken, "{"), + fixer.insertTextAfter(lastToken, "}"), + ]; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + allowVoid: false, + }, + ], + + docs: { + description: + "Disallow returning values from Promise executor functions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-promise-executor-return", + }, + + hasSuggestions: true, + + schema: [ + { + type: "object", + properties: { + allowVoid: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + returnsValue: + "Return values from promise executor functions cannot be read.", + + // arrow and function suggestions + prependVoid: "Prepend `void` to the expression.", + + // only arrow suggestions + wrapBraces: "Wrap the expression in `{}`.", + }, + }, + + create(context) { + let funcInfo = null; + const sourceCode = context.sourceCode; + const [{ allowVoid }] = context.options; + + return { + onCodePathStart(_, node) { + funcInfo = { + upper: funcInfo, + shouldCheck: + functionTypesToCheck.has(node.type) && + isPromiseExecutor(node, sourceCode), + }; + + if ( + // Is a Promise executor + funcInfo.shouldCheck && + node.type === "ArrowFunctionExpression" && + node.expression && + // Except void + !(allowVoid && expressionIsVoid(node.body)) + ) { + const suggest = []; + + // prevent useless refactors + if (allowVoid) { + suggest.push({ + messageId: "prependVoid", + fix(fixer) { + return voidPrependFixer( + sourceCode, + node.body, + fixer, + ); + }, + }); + } + + // Do not suggest wrapping an unnamed FunctionExpression in braces as that would be invalid syntax. + if ( + !( + node.body.type === "FunctionExpression" && + !node.body.id + ) + ) { + suggest.push({ + messageId: "wrapBraces", + fix(fixer) { + return curlyWrapFixer(sourceCode, node, fixer); + }, + }); + } + + context.report({ + node: node.body, + messageId: "returnsValue", + suggest, + }); + } + }, + + onCodePathEnd() { + funcInfo = funcInfo.upper; + }, + + ReturnStatement(node) { + if (!(funcInfo.shouldCheck && node.argument)) { + return; + } + + // node is `return ` + if (!allowVoid) { + context.report({ node, messageId: "returnsValue" }); + return; + } + + if (expressionIsVoid(node.argument)) { + return; + } + + // allowVoid && !expressionIsVoid + context.report({ + node, + messageId: "returnsValue", + suggest: [ + { + messageId: "prependVoid", + fix(fixer) { + return voidPrependFixer( + sourceCode, + node.argument, + fixer, + ); + }, + }, + ], + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-proto.js b/module/node_modules/eslint/lib/rules/no-proto.js new file mode 100644 index 000000000..d68509e11 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-proto.js @@ -0,0 +1,45 @@ +/** + * @fileoverview Rule to flag usage of __proto__ property + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { getStaticPropertyName } = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow the use of the `__proto__` property", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-proto", + }, + + schema: [], + + messages: { + unexpectedProto: "The '__proto__' property is deprecated.", + }, + }, + + create(context) { + return { + MemberExpression(node) { + if (getStaticPropertyName(node) === "__proto__") { + context.report({ node, messageId: "unexpectedProto" }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-prototype-builtins.js b/module/node_modules/eslint/lib/rules/no-prototype-builtins.js new file mode 100644 index 000000000..c75fdacf8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-prototype-builtins.js @@ -0,0 +1,181 @@ +/** + * @fileoverview Rule to disallow use of Object.prototype builtins on objects + * @author Andrew Levine + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Returns true if the node or any of the objects + * to the left of it in the member/call chain is optional. + * + * e.g. `a?.b`, `a?.b.c`, `a?.()`, `a()?.()` + * @param {ASTNode} node The expression to check + * @returns {boolean} `true` if there is a short-circuiting optional `?.` + * in the same option chain to the left of this call or member expression, + * or the node itself is an optional call or member `?.`. + */ +function isAfterOptional(node) { + let leftNode; + + if (node.type === "MemberExpression") { + leftNode = node.object; + } else if (node.type === "CallExpression") { + leftNode = node.callee; + } else { + return false; + } + if (node.optional) { + return true; + } + return isAfterOptional(leftNode); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow calling some `Object.prototype` methods directly on objects", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-prototype-builtins", + }, + + hasSuggestions: true, + + schema: [], + + messages: { + prototypeBuildIn: + "Do not access Object.prototype method '{{prop}}' from target object.", + callObjectPrototype: "Call Object.prototype.{{prop}} explicitly.", + }, + }, + + create(context) { + const DISALLOWED_PROPS = new Set([ + "hasOwnProperty", + "isPrototypeOf", + "propertyIsEnumerable", + ]); + + /** + * Reports if a disallowed property is used in a CallExpression + * @param {ASTNode} node The CallExpression node. + * @returns {void} + */ + function disallowBuiltIns(node) { + const callee = astUtils.skipChainExpression(node.callee); + + if (callee.type !== "MemberExpression") { + return; + } + + const propName = astUtils.getStaticPropertyName(callee); + + if (propName !== null && DISALLOWED_PROPS.has(propName)) { + context.report({ + messageId: "prototypeBuildIn", + loc: callee.property.loc, + data: { prop: propName }, + node, + suggest: [ + { + messageId: "callObjectPrototype", + data: { prop: propName }, + fix(fixer) { + const sourceCode = context.sourceCode; + + /* + * A call after an optional chain (e.g. a?.b.hasOwnProperty(c)) + * must be fixed manually because the call can be short-circuited + */ + if (isAfterOptional(node)) { + return null; + } + + /* + * A call on a ChainExpression (e.g. (a?.hasOwnProperty)(c)) will trigger + * no-unsafe-optional-chaining which should be fixed before this suggestion + */ + if (node.callee.type === "ChainExpression") { + return null; + } + + const objectVariable = + astUtils.getVariableByName( + sourceCode.getScope(node), + "Object", + ); + + /* + * We can't use Object if the global Object was shadowed, + * or Object does not exist in the global scope for some reason + */ + if ( + !objectVariable || + objectVariable.scope.type !== "global" || + objectVariable.defs.length > 0 + ) { + return null; + } + + let objectText = sourceCode.getText( + callee.object, + ); + + if ( + astUtils.getPrecedence(callee.object) <= + astUtils.getPrecedence({ + type: "SequenceExpression", + }) + ) { + objectText = `(${objectText})`; + } + + const openParenToken = sourceCode.getTokenAfter( + node.callee, + astUtils.isOpeningParenToken, + ); + const isEmptyParameters = + node.arguments.length === 0; + const delim = isEmptyParameters ? "" : ", "; + const fixes = [ + fixer.replaceText( + callee, + `Object.prototype.${propName}.call`, + ), + fixer.insertTextAfter( + openParenToken, + objectText + delim, + ), + ]; + + return fixes; + }, + }, + ], + }); + } + } + + return { + CallExpression: disallowBuiltIns, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-redeclare.js b/module/node_modules/eslint/lib/rules/no-redeclare.js new file mode 100644 index 000000000..4f8c06c97 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-redeclare.js @@ -0,0 +1,173 @@ +/** + * @fileoverview Rule to flag when the same variable is declared more then once. + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [{ builtinGlobals: true }], + + docs: { + description: "Disallow variable redeclaration", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-redeclare", + }, + + messages: { + redeclared: "'{{id}}' is already defined.", + redeclaredAsBuiltin: + "'{{id}}' is already defined as a built-in global variable.", + redeclaredBySyntax: + "'{{id}}' is already defined by a variable declaration.", + }, + + schema: [ + { + type: "object", + properties: { + builtinGlobals: { type: "boolean" }, + }, + additionalProperties: false, + }, + ], + }, + + create(context) { + const [{ builtinGlobals }] = context.options; + const sourceCode = context.sourceCode; + + /** + * Iterate declarations of a given variable. + * @param {escope.variable} variable The variable object to iterate declarations. + * @returns {IterableIterator<{type:string,node:ASTNode,loc:SourceLocation}>} The declarations. + */ + function* iterateDeclarations(variable) { + if ( + builtinGlobals && + (variable.eslintImplicitGlobalSetting === "readonly" || + variable.eslintImplicitGlobalSetting === "writable") + ) { + yield { type: "builtin" }; + } + + for (const id of variable.identifiers) { + yield { type: "syntax", node: id, loc: id.loc }; + } + + if (variable.eslintExplicitGlobalComments) { + for (const comment of variable.eslintExplicitGlobalComments) { + yield { + type: "comment", + node: comment, + loc: astUtils.getNameLocationInGlobalDirectiveComment( + sourceCode, + comment, + variable.name, + ), + }; + } + } + } + + /** + * Find variables in a given scope and flag redeclared ones. + * @param {Scope} scope An eslint-scope scope object. + * @returns {void} + * @private + */ + function findVariablesInScope(scope) { + for (const variable of scope.variables) { + const [declaration, ...extraDeclarations] = + iterateDeclarations(variable); + + if (extraDeclarations.length === 0) { + continue; + } + + /* + * If the type of a declaration is different from the type of + * the first declaration, it shows the location of the first + * declaration. + */ + const detailMessageId = + declaration.type === "builtin" + ? "redeclaredAsBuiltin" + : "redeclaredBySyntax"; + const data = { id: variable.name }; + + // Report extra declarations. + for (const { type, node, loc } of extraDeclarations) { + const messageId = + type === declaration.type + ? "redeclared" + : detailMessageId; + + context.report({ node, loc, messageId, data }); + } + } + } + + /** + * Find variables in the current scope. + * @param {ASTNode} node The node of the current scope. + * @returns {void} + * @private + */ + function checkForBlock(node) { + const scope = sourceCode.getScope(node); + + /* + * In ES5, some node type such as `BlockStatement` doesn't have that scope. + * `scope.block` is a different node in such a case. + */ + if (scope.block === node) { + findVariablesInScope(scope); + } + } + + return { + Program(node) { + const scope = sourceCode.getScope(node); + + findVariablesInScope(scope); + + // Node.js or ES modules has a special scope. + if ( + scope.type === "global" && + scope.childScopes[0] && + // The special scope's block is the Program node. + scope.block === scope.childScopes[0].block + ) { + findVariablesInScope(scope.childScopes[0]); + } + }, + + FunctionDeclaration: checkForBlock, + FunctionExpression: checkForBlock, + ArrowFunctionExpression: checkForBlock, + + StaticBlock: checkForBlock, + + BlockStatement: checkForBlock, + ForStatement: checkForBlock, + ForInStatement: checkForBlock, + ForOfStatement: checkForBlock, + SwitchStatement: checkForBlock, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-regex-spaces.js b/module/node_modules/eslint/lib/rules/no-regex-spaces.js new file mode 100644 index 000000000..719240975 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-regex-spaces.js @@ -0,0 +1,219 @@ +/** + * @fileoverview Rule to count multiple spaces in regular expressions + * @author Matt DuVall + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const regexpp = require("@eslint-community/regexpp"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const regExpParser = new regexpp.RegExpParser(); +const DOUBLE_SPACE = / {2}/u; + +/** + * Check if node is a string + * @param {ASTNode} node node to evaluate + * @returns {boolean} True if its a string + * @private + */ +function isString(node) { + return node && node.type === "Literal" && typeof node.value === "string"; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow multiple spaces in regular expressions", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-regex-spaces", + }, + + schema: [], + fixable: "code", + + messages: { + multipleSpaces: "Spaces are hard to count. Use {{{length}}}.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Validate regular expression + * @param {ASTNode} nodeToReport Node to report. + * @param {string} pattern Regular expression pattern to validate. + * @param {string} rawPattern Raw representation of the pattern in the source code. + * @param {number} rawPatternStartRange Start range of the pattern in the source code. + * @param {string} flags Regular expression flags. + * @returns {void} + * @private + */ + function checkRegex( + nodeToReport, + pattern, + rawPattern, + rawPatternStartRange, + flags, + ) { + // Skip if there are no consecutive spaces in the source code, to avoid reporting e.g., RegExp(' \ '). + if (!DOUBLE_SPACE.test(rawPattern)) { + return; + } + + const characterClassNodes = []; + let regExpAST; + + try { + regExpAST = regExpParser.parsePattern( + pattern, + 0, + pattern.length, + { + unicode: flags.includes("u"), + unicodeSets: flags.includes("v"), + }, + ); + } catch { + // Ignore regular expressions with syntax errors + return; + } + + regexpp.visitRegExpAST(regExpAST, { + onCharacterClassEnter(ccNode) { + characterClassNodes.push(ccNode); + }, + }); + + const spacesPattern = /( {2,})(?: [+*{?]|[^+*{?]|$)/gu; + let match; + + while ((match = spacesPattern.exec(pattern))) { + const { + 1: { length }, + index, + } = match; + + // Report only consecutive spaces that are not in character classes. + if ( + characterClassNodes.every( + ({ start, end }) => index < start || end <= index, + ) + ) { + context.report({ + node: nodeToReport, + messageId: "multipleSpaces", + data: { length }, + fix(fixer) { + if (pattern !== rawPattern) { + return null; + } + return fixer.replaceTextRange( + [ + rawPatternStartRange + index, + rawPatternStartRange + index + length, + ], + ` {${length}}`, + ); + }, + }); + + // Report only the first occurrence of consecutive spaces + return; + } + } + } + + /** + * Validate regular expression literals + * @param {ASTNode} node node to validate + * @returns {void} + * @private + */ + function checkLiteral(node) { + if (node.regex) { + const pattern = node.regex.pattern; + const rawPattern = node.raw.slice(1, node.raw.lastIndexOf("/")); + const rawPatternStartRange = node.range[0] + 1; + const flags = node.regex.flags; + + checkRegex( + node, + pattern, + rawPattern, + rawPatternStartRange, + flags, + ); + } + } + + /** + * Validate strings passed to the RegExp constructor + * @param {ASTNode} node node to validate + * @returns {void} + * @private + */ + function checkFunction(node) { + const scope = sourceCode.getScope(node); + const regExpVar = astUtils.getVariableByName(scope, "RegExp"); + const shadowed = regExpVar && regExpVar.defs.length > 0; + const patternNode = node.arguments[0]; + + if ( + node.callee.type === "Identifier" && + node.callee.name === "RegExp" && + isString(patternNode) && + !shadowed + ) { + const pattern = patternNode.value; + const rawPattern = patternNode.raw.slice(1, -1); + const rawPatternStartRange = patternNode.range[0] + 1; + let flags; + + if (node.arguments.length < 2) { + // It has no flags. + flags = ""; + } else { + const flagsNode = node.arguments[1]; + + if (isString(flagsNode)) { + flags = flagsNode.value; + } else { + // The flags cannot be determined. + return; + } + } + + checkRegex( + node, + pattern, + rawPattern, + rawPatternStartRange, + flags, + ); + } + } + + return { + Literal: checkLiteral, + CallExpression: checkFunction, + NewExpression: checkFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-restricted-exports.js b/module/node_modules/eslint/lib/rules/no-restricted-exports.js new file mode 100644 index 000000000..fd5ff4b5a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-restricted-exports.js @@ -0,0 +1,227 @@ +/** + * @fileoverview Rule to disallow specified names in exports + * @author Milos Djermanovic + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow specified names in exports", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-restricted-exports", + }, + + schema: [ + { + anyOf: [ + { + type: "object", + properties: { + restrictedNamedExports: { + type: "array", + items: { + type: "string", + }, + uniqueItems: true, + }, + restrictedNamedExportsPattern: { type: "string" }, + }, + additionalProperties: false, + }, + { + type: "object", + properties: { + restrictedNamedExports: { + type: "array", + items: { + type: "string", + pattern: "^(?!default$)", + }, + uniqueItems: true, + }, + restrictedNamedExportsPattern: { type: "string" }, + restrictDefaultExports: { + type: "object", + properties: { + // Allow/Disallow `export default foo; export default 42; export default function foo() {}` format + direct: { + type: "boolean", + }, + + // Allow/Disallow `export { foo as default };` declarations + named: { + type: "boolean", + }, + + // Allow/Disallow `export { default } from "mod"; export { default as default } from "mod";` declarations + defaultFrom: { + type: "boolean", + }, + + // Allow/Disallow `export { foo as default } from "mod";` declarations + namedFrom: { + type: "boolean", + }, + + // Allow/Disallow `export * as default from "mod"`; declarations + namespaceFrom: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + restrictedNamed: + "'{{name}}' is restricted from being used as an exported name.", + restrictedDefault: "Exporting 'default' is restricted.", + }, + }, + + create(context) { + const restrictedNames = new Set( + context.options[0] && context.options[0].restrictedNamedExports, + ); + const restrictedNamePattern = + context.options[0] && + context.options[0].restrictedNamedExportsPattern; + const restrictDefaultExports = + context.options[0] && context.options[0].restrictDefaultExports; + const sourceCode = context.sourceCode; + + /** + * Checks and reports given exported name. + * @param {ASTNode} node exported `Identifier` or string `Literal` node to check. + * @returns {void} + */ + function checkExportedName(node) { + const name = astUtils.getModuleExportName(node); + + let matchesRestrictedNamePattern = false; + + if (restrictedNamePattern && name !== "default") { + const patternRegex = new RegExp(restrictedNamePattern, "u"); + + matchesRestrictedNamePattern = patternRegex.test(name); + } + + if (matchesRestrictedNamePattern || restrictedNames.has(name)) { + context.report({ + node, + messageId: "restrictedNamed", + data: { name }, + }); + return; + } + + if (name === "default") { + if (node.parent.type === "ExportAllDeclaration") { + if ( + restrictDefaultExports && + restrictDefaultExports.namespaceFrom + ) { + context.report({ + node, + messageId: "restrictedDefault", + }); + } + } else { + // ExportSpecifier + const isSourceSpecified = !!node.parent.parent.source; + const specifierLocalName = astUtils.getModuleExportName( + node.parent.local, + ); + + if ( + !isSourceSpecified && + restrictDefaultExports && + restrictDefaultExports.named + ) { + context.report({ + node, + messageId: "restrictedDefault", + }); + return; + } + + if (isSourceSpecified && restrictDefaultExports) { + if ( + (specifierLocalName === "default" && + restrictDefaultExports.defaultFrom) || + (specifierLocalName !== "default" && + restrictDefaultExports.namedFrom) + ) { + context.report({ + node, + messageId: "restrictedDefault", + }); + } + } + } + } + } + + return { + ExportAllDeclaration(node) { + if (node.exported) { + checkExportedName(node.exported); + } + }, + + ExportDefaultDeclaration(node) { + if (restrictDefaultExports && restrictDefaultExports.direct) { + context.report({ + node, + messageId: "restrictedDefault", + }); + } + }, + + ExportNamedDeclaration(node) { + const declaration = node.declaration; + + if (declaration) { + if ( + declaration.type === "FunctionDeclaration" || + declaration.type === "ClassDeclaration" + ) { + checkExportedName(declaration.id); + } else if (declaration.type === "VariableDeclaration") { + sourceCode + .getDeclaredVariables(declaration) + .map(v => + v.defs.find(d => d.parent === declaration), + ) + .map(d => d.name) // Identifier nodes + .forEach(checkExportedName); + } + } else { + node.specifiers + .map(s => s.exported) + .forEach(checkExportedName); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-restricted-globals.js b/module/node_modules/eslint/lib/rules/no-restricted-globals.js new file mode 100644 index 000000000..a883988c4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-restricted-globals.js @@ -0,0 +1,266 @@ +/** + * @fileoverview Restrict usage of specified globals. + * @author Benoît Zugmeyer + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const TYPE_NODES = new Set([ + "TSTypeReference", + "TSInterfaceHeritage", + "TSClassImplements", + "TSTypeQuery", + "TSQualifiedName", +]); + +const GLOBAL_OBJECTS = new Set(["globalThis", "self", "window"]); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const arrayOfGlobals = { + type: "array", + items: { + oneOf: [ + { + type: "string", + }, + { + type: "object", + properties: { + name: { type: "string" }, + message: { type: "string" }, + }, + required: ["name"], + additionalProperties: false, + }, + ], + }, + uniqueItems: true, + minItems: 0, +}; + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + dialects: ["javascript", "typescript"], + language: "javascript", + type: "suggestion", + + docs: { + description: "Disallow specified global variables", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-restricted-globals", + }, + + schema: { + anyOf: [ + arrayOfGlobals, + { + type: "array", + items: [ + { + type: "object", + properties: { + globals: arrayOfGlobals, + checkGlobalObject: { + type: "boolean", + }, + globalObjects: { + type: "array", + items: { + type: "string", + }, + uniqueItems: true, + }, + }, + required: ["globals"], + additionalProperties: false, + }, + ], + additionalItems: false, + }, + ], + }, + + messages: { + defaultMessage: "Unexpected use of '{{name}}'.", + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + customMessage: "Unexpected use of '{{name}}'. {{customMessage}}", + }, + }, + + create(context) { + const { sourceCode, options } = context; + + const isGlobalsObject = + typeof options[0] === "object" && + Object.hasOwn(options[0], "globals"); + + const restrictedGlobals = isGlobalsObject + ? options[0].globals + : options; + const checkGlobalObject = isGlobalsObject + ? options[0].checkGlobalObject + : false; + const userGlobalObjects = isGlobalsObject + ? options[0].globalObjects || [] + : []; + + const globalObjects = new Set([ + ...GLOBAL_OBJECTS, + ...userGlobalObjects, + ]); + + // If no globals are restricted, we don't need to do anything + if (restrictedGlobals.length === 0) { + return {}; + } + + const restrictedGlobalMessages = restrictedGlobals.reduce( + (memo, option) => { + if (typeof option === "string") { + memo[option] = null; + } else { + memo[option.name] = option.message; + } + + return memo; + }, + {}, + ); + + /** + * Report a variable to be used as a restricted global. + * @param {Reference} reference the variable reference + * @returns {void} + * @private + */ + function reportReference(reference) { + const name = reference.identifier.name, + customMessage = restrictedGlobalMessages[name], + messageId = customMessage ? "customMessage" : "defaultMessage"; + + context.report({ + node: reference.identifier, + messageId, + data: { + name, + customMessage, + }, + }); + } + + /** + * Check if the given name is a restricted global name. + * @param {string} name name of a variable + * @returns {boolean} whether the variable is a restricted global or not + * @private + */ + function isRestricted(name) { + return Object.hasOwn(restrictedGlobalMessages, name); + } + + /** + * Check if the given reference occurs within a TypeScript type context. + * @param {Reference} reference The variable reference to check. + * @returns {boolean} Whether the reference is in a type context. + * @private + */ + function isInTypeContext(reference) { + const parent = reference.identifier.parent; + + return TYPE_NODES.has(parent.type); + } + + return { + Program(node) { + const scope = sourceCode.getScope(node); + + // Report variables declared elsewhere (ex: variables defined as "global" by eslint) + scope.variables.forEach(variable => { + if (!variable.defs.length && isRestricted(variable.name)) { + variable.references.forEach(reference => { + if (!isInTypeContext(reference)) { + reportReference(reference); + } + }); + } + }); + + // Report variables not declared at all + scope.through.forEach(reference => { + if ( + isRestricted(reference.identifier.name) && + !isInTypeContext(reference) + ) { + reportReference(reference); + } + }); + }, + + "Program:exit"(node) { + if (!checkGlobalObject) { + return; + } + + const globalScope = sourceCode.getScope(node); + globalObjects.forEach(globalObjectName => { + const variable = astUtils.getVariableByName( + globalScope, + globalObjectName, + ); + + if (!variable) { + return; + } + + variable.references.forEach(reference => { + const identifier = reference.identifier; + let parent = identifier.parent; + + // To detect code like `window.window.Promise`. + while ( + astUtils.isSpecificMemberAccess( + parent, + null, + globalObjectName, + ) + ) { + parent = parent.parent; + } + + const propertyName = + astUtils.getStaticPropertyName(parent); + if (propertyName && isRestricted(propertyName)) { + const customMessage = + restrictedGlobalMessages[propertyName]; + const messageId = customMessage + ? "customMessage" + : "defaultMessage"; + + context.report({ + node: parent.property, + messageId, + data: { + name: propertyName, + customMessage, + }, + }); + } + }); + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-restricted-imports.js b/module/node_modules/eslint/lib/rules/no-restricted-imports.js new file mode 100644 index 000000000..a52cafe39 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-restricted-imports.js @@ -0,0 +1,850 @@ +/** + * @fileoverview Restrict usage of specified node imports. + * @author Guy Ellis + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const ignore = require("ignore"); + +const arrayOfStringsOrObjects = { + type: "array", + items: { + anyOf: [ + { type: "string" }, + { + type: "object", + properties: { + name: { type: "string" }, + message: { + type: "string", + minLength: 1, + }, + importNames: { + type: "array", + items: { + type: "string", + }, + }, + allowImportNames: { + type: "array", + items: { + type: "string", + }, + }, + allowTypeImports: { + type: "boolean", + description: + "Whether to allow type-only imports for a path.", + }, + }, + additionalProperties: false, + required: ["name"], + not: { required: ["importNames", "allowImportNames"] }, + }, + ], + }, + uniqueItems: true, +}; + +const arrayOfStringsOrObjectPatterns = { + anyOf: [ + { + type: "array", + items: { + type: "string", + }, + uniqueItems: true, + }, + { + type: "array", + items: { + type: "object", + properties: { + importNames: { + type: "array", + items: { + type: "string", + }, + minItems: 1, + uniqueItems: true, + }, + allowImportNames: { + type: "array", + items: { + type: "string", + }, + minItems: 1, + uniqueItems: true, + }, + group: { + type: "array", + items: { + type: "string", + }, + minItems: 1, + uniqueItems: true, + }, + regex: { + type: "string", + }, + importNamePattern: { + type: "string", + }, + allowImportNamePattern: { + type: "string", + }, + message: { + type: "string", + minLength: 1, + }, + caseSensitive: { + type: "boolean", + }, + allowTypeImports: { + type: "boolean", + description: + "Whether to allow type-only imports for a pattern.", + }, + }, + additionalProperties: false, + not: { + anyOf: [ + { required: ["importNames", "allowImportNames"] }, + { + required: [ + "importNamePattern", + "allowImportNamePattern", + ], + }, + { required: ["importNames", "allowImportNamePattern"] }, + { required: ["importNamePattern", "allowImportNames"] }, + { + required: [ + "allowImportNames", + "allowImportNamePattern", + ], + }, + ], + }, + oneOf: [{ required: ["group"] }, { required: ["regex"] }], + }, + uniqueItems: true, + }, + ], +}; + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + dialects: ["typescript", "javascript"], + language: "javascript", + + docs: { + description: "Disallow specified modules when loaded by `import`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-restricted-imports", + }, + + messages: { + path: "'{{importSource}}' import is restricted from being used.", + pathWithCustomMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "'{{importSource}}' import is restricted from being used. {{customMessage}}", + + patterns: + "'{{importSource}}' import is restricted from being used by a pattern.", + patternWithCustomMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "'{{importSource}}' import is restricted from being used by a pattern. {{customMessage}}", + + patternAndImportName: + "'{{importName}}' import from '{{importSource}}' is restricted from being used by a pattern.", + patternAndImportNameWithCustomMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "'{{importName}}' import from '{{importSource}}' is restricted from being used by a pattern. {{customMessage}}", + + patternAndEverything: + "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted from being used by a pattern.", + + patternAndEverythingWithRegexImportName: + "* import is invalid because import name matching '{{importNames}}' pattern from '{{importSource}}' is restricted from being used.", + patternAndEverythingWithCustomMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted from being used by a pattern. {{customMessage}}", + patternAndEverythingWithRegexImportNameAndCustomMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "* import is invalid because import name matching '{{importNames}}' pattern from '{{importSource}}' is restricted from being used. {{customMessage}}", + + everything: + "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted.", + everythingWithCustomMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "* import is invalid because '{{importNames}}' from '{{importSource}}' is restricted. {{customMessage}}", + + importName: + "'{{importName}}' import from '{{importSource}}' is restricted.", + importNameWithCustomMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "'{{importName}}' import from '{{importSource}}' is restricted. {{customMessage}}", + + allowedImportName: + "'{{importName}}' import from '{{importSource}}' is restricted because only '{{allowedImportNames}}' import(s) is/are allowed.", + allowedImportNameWithCustomMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "'{{importName}}' import from '{{importSource}}' is restricted because only '{{allowedImportNames}}' import(s) is/are allowed. {{customMessage}}", + + everythingWithAllowImportNames: + "* import is invalid because only '{{allowedImportNames}}' from '{{importSource}}' is/are allowed.", + everythingWithAllowImportNamesAndCustomMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "* import is invalid because only '{{allowedImportNames}}' from '{{importSource}}' is/are allowed. {{customMessage}}", + + allowedImportNamePattern: + "'{{importName}}' import from '{{importSource}}' is restricted because only imports that match the pattern '{{allowedImportNamePattern}}' are allowed from '{{importSource}}'.", + allowedImportNamePatternWithCustomMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "'{{importName}}' import from '{{importSource}}' is restricted because only imports that match the pattern '{{allowedImportNamePattern}}' are allowed from '{{importSource}}'. {{customMessage}}", + + everythingWithAllowedImportNamePattern: + "* import is invalid because only imports that match the pattern '{{allowedImportNamePattern}}' from '{{importSource}}' are allowed.", + everythingWithAllowedImportNamePatternWithCustomMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "* import is invalid because only imports that match the pattern '{{allowedImportNamePattern}}' from '{{importSource}}' are allowed. {{customMessage}}", + }, + + schema: { + anyOf: [ + arrayOfStringsOrObjects, + { + type: "array", + items: [ + { + type: "object", + properties: { + paths: arrayOfStringsOrObjects, + patterns: arrayOfStringsOrObjectPatterns, + }, + additionalProperties: false, + }, + ], + additionalItems: false, + }, + ], + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const options = Array.isArray(context.options) ? context.options : []; + const isPathAndPatternsObject = + typeof options[0] === "object" && + (Object.hasOwn(options[0], "paths") || + Object.hasOwn(options[0], "patterns")); + + const restrictedPaths = + (isPathAndPatternsObject ? options[0].paths : context.options) || + []; + const groupedRestrictedPaths = restrictedPaths.reduce( + (memo, importSource) => { + const path = + typeof importSource === "string" + ? importSource + : importSource.name; + + if (!memo[path]) { + memo[path] = []; + } + + if (typeof importSource === "string") { + memo[path].push({}); + } else { + memo[path].push({ + message: importSource.message, + importNames: importSource.importNames, + allowImportNames: importSource.allowImportNames, + allowTypeImports: importSource.allowTypeImports, + }); + } + return memo; + }, + Object.create(null), + ); + + // Handle patterns too, either as strings or groups + let restrictedPatterns = + (isPathAndPatternsObject ? options[0].patterns : []) || []; + + // standardize to array of objects if we have an array of strings + if ( + restrictedPatterns.length > 0 && + typeof restrictedPatterns[0] === "string" + ) { + restrictedPatterns = [{ group: restrictedPatterns }]; + } + + // relative paths are supported for this rule + const restrictedPatternGroups = restrictedPatterns.map( + ({ + group, + regex, + message, + caseSensitive, + importNames, + importNamePattern, + allowImportNames, + allowImportNamePattern, + allowTypeImports, + }) => ({ + ...(group + ? { + matcher: ignore({ + allowRelativePaths: true, + ignorecase: !caseSensitive, + }).add(group), + } + : {}), + ...(typeof regex === "string" + ? { + regexMatcher: new RegExp( + regex, + caseSensitive ? "u" : "iu", + ), + } + : {}), + customMessage: message, + importNames, + importNamePattern, + allowImportNames, + allowImportNamePattern, + allowTypeImports, + }), + ); + + // if no imports are restricted we don't need to check + if ( + Object.keys(restrictedPaths).length === 0 && + restrictedPatternGroups.length === 0 + ) { + return {}; + } + + /** + * Check if the node is a type-only import + * @param {ASTNode} node The node to check + * @returns {boolean} Whether the node is a type-only import + */ + function isTypeOnlyImport(node) { + return ( + node.importKind === "type" || + (node.specifiers?.length > 0 && + node.specifiers.every( + specifier => specifier.importKind === "type", + )) + ); + } + + /** + * Check if a specifier is type-only + * @param {ASTNode} specifier The specifier to check + * @returns {boolean} Whether the specifier is type-only + */ + function isTypeOnlySpecifier(specifier) { + return ( + specifier.importKind === "type" || + specifier.exportKind === "type" + ); + } + + /** + * Check if the node is a type-only export + * @param {ASTNode} node The node to check + * @returns {boolean} Whether the node is a type-only export + */ + function isTypeOnlyExport(node) { + return ( + node.exportKind === "type" || + (node.specifiers?.length > 0 && + node.specifiers.every( + specifier => specifier.exportKind === "type", + )) + ); + } + + /** + * Report a restricted path. + * @param {string} importSource path of the import + * @param {Map} importNames Map of import names that are being imported + * @param {node} node representing the restricted path reference + * @returns {void} + * @private + */ + function checkRestrictedPathAndReport(importSource, importNames, node) { + if (!Object.hasOwn(groupedRestrictedPaths, importSource)) { + return; + } + + groupedRestrictedPaths[importSource].forEach( + restrictedPathEntry => { + const customMessage = restrictedPathEntry.message; + const restrictedImportNames = + restrictedPathEntry.importNames; + const allowedImportNames = + restrictedPathEntry.allowImportNames; + const allowTypeImports = + restrictedPathEntry.allowTypeImports; + + // Skip if this is a type-only import and it's allowed for this specific entry + if ( + allowTypeImports && + (node.type === "ImportDeclaration" || + node.type === "TSImportEqualsDeclaration") && + isTypeOnlyImport(node) + ) { + return; + } + + // Skip if this is a type-only export and it's allowed for this specific entry + if ( + allowTypeImports && + (node.type === "ExportNamedDeclaration" || + node.type === "ExportAllDeclaration") && + isTypeOnlyExport(node) + ) { + return; + } + + if (!restrictedImportNames && !allowedImportNames) { + context.report({ + node, + messageId: customMessage + ? "pathWithCustomMessage" + : "path", + data: { + importSource, + customMessage, + }, + }); + + return; + } + + importNames.forEach((specifiers, importName) => { + if (importName === "*") { + const [specifier] = specifiers; + + if (restrictedImportNames) { + context.report({ + node, + messageId: customMessage + ? "everythingWithCustomMessage" + : "everything", + loc: specifier.loc, + data: { + importSource, + importNames: restrictedImportNames, + customMessage, + }, + }); + } else if (allowedImportNames) { + context.report({ + node, + messageId: customMessage + ? "everythingWithAllowImportNamesAndCustomMessage" + : "everythingWithAllowImportNames", + loc: specifier.loc, + data: { + importSource, + allowedImportNames, + customMessage, + }, + }); + } + + return; + } + + if ( + restrictedImportNames && + restrictedImportNames.includes(importName) + ) { + specifiers.forEach(specifier => { + // Skip if this is a type-only import specifier and type imports are allowed + if ( + allowTypeImports && + isTypeOnlySpecifier(specifier.specifier) + ) { + return; + } + + context.report({ + node, + messageId: customMessage + ? "importNameWithCustomMessage" + : "importName", + loc: specifier.loc, + data: { + importSource, + customMessage, + importName, + }, + }); + }); + } + + if ( + allowedImportNames && + !allowedImportNames.includes(importName) + ) { + specifiers.forEach(specifier => { + // Skip if this is a type-only import specifier and type imports are allowed + if ( + allowTypeImports && + isTypeOnlySpecifier(specifier.specifier) + ) { + return; + } + + context.report({ + node, + loc: specifier.loc, + messageId: customMessage + ? "allowedImportNameWithCustomMessage" + : "allowedImportName", + data: { + importSource, + customMessage, + importName, + allowedImportNames, + }, + }); + }); + } + }); + }, + ); + } + + /** + * Report a restricted path specifically for patterns. + * @param {node} node representing the restricted path reference + * @param {Object} group contains an Ignore instance for paths, the customMessage to show on failure, + * and any restricted import names that have been specified in the config + * @param {Map} importNames Map of import names that are being imported + * @param {string} importSource the import source string + * @returns {void} + * @private + */ + function reportPathForPatterns(node, group, importNames, importSource) { + // Skip if this is a type-only import and it's allowed + if ( + group.allowTypeImports && + (node.type === "ImportDeclaration" || + node.type === "TSImportEqualsDeclaration") && + isTypeOnlyImport(node) + ) { + return; + } + + // Skip if this is a type-only export and it's allowed + if ( + group.allowTypeImports && + (node.type === "ExportNamedDeclaration" || + node.type === "ExportAllDeclaration") && + isTypeOnlyExport(node) + ) { + return; + } + + const customMessage = group.customMessage; + const restrictedImportNames = group.importNames; + const restrictedImportNamePattern = group.importNamePattern + ? new RegExp(group.importNamePattern, "u") + : null; + const allowedImportNames = group.allowImportNames; + const allowedImportNamePattern = group.allowImportNamePattern + ? new RegExp(group.allowImportNamePattern, "u") + : null; + + /** + * If we are not restricting to any specific import names and just the pattern itself, + * report the error and move on + */ + if ( + !restrictedImportNames && + !allowedImportNames && + !restrictedImportNamePattern && + !allowedImportNamePattern + ) { + context.report({ + node, + messageId: customMessage + ? "patternWithCustomMessage" + : "patterns", + data: { + importSource, + customMessage, + }, + }); + return; + } + + importNames.forEach((specifiers, importName) => { + if (importName === "*") { + const [specifier] = specifiers; + + if (restrictedImportNames) { + context.report({ + node, + messageId: customMessage + ? "patternAndEverythingWithCustomMessage" + : "patternAndEverything", + loc: specifier.loc, + data: { + importSource, + importNames: restrictedImportNames, + customMessage, + }, + }); + } else if (allowedImportNames) { + context.report({ + node, + messageId: customMessage + ? "everythingWithAllowImportNamesAndCustomMessage" + : "everythingWithAllowImportNames", + loc: specifier.loc, + data: { + importSource, + allowedImportNames, + customMessage, + }, + }); + } else if (allowedImportNamePattern) { + context.report({ + node, + messageId: customMessage + ? "everythingWithAllowedImportNamePatternWithCustomMessage" + : "everythingWithAllowedImportNamePattern", + loc: specifier.loc, + data: { + importSource, + allowedImportNamePattern, + customMessage, + }, + }); + } else { + context.report({ + node, + messageId: customMessage + ? "patternAndEverythingWithRegexImportNameAndCustomMessage" + : "patternAndEverythingWithRegexImportName", + loc: specifier.loc, + data: { + importSource, + importNames: restrictedImportNamePattern, + customMessage, + }, + }); + } + + return; + } + + if ( + (restrictedImportNames && + restrictedImportNames.includes(importName)) || + (restrictedImportNamePattern && + restrictedImportNamePattern.test(importName)) + ) { + specifiers.forEach(specifier => { + // Skip if this is a type-only import specifier and type imports are allowed + if ( + group.allowTypeImports && + isTypeOnlySpecifier(specifier.specifier) + ) { + return; + } + + context.report({ + node, + messageId: customMessage + ? "patternAndImportNameWithCustomMessage" + : "patternAndImportName", + loc: specifier.loc, + data: { + importSource, + customMessage, + importName, + }, + }); + }); + } + + if ( + allowedImportNames && + !allowedImportNames.includes(importName) + ) { + specifiers.forEach(specifier => { + // Skip if this is a type-only import specifier and type imports are allowed + if ( + group.allowTypeImports && + isTypeOnlySpecifier(specifier.specifier) + ) { + return; + } + + context.report({ + node, + messageId: customMessage + ? "allowedImportNameWithCustomMessage" + : "allowedImportName", + loc: specifier.loc, + data: { + importSource, + customMessage, + importName, + allowedImportNames, + }, + }); + }); + } else if ( + allowedImportNamePattern && + !allowedImportNamePattern.test(importName) + ) { + specifiers.forEach(specifier => { + // Skip if this is a type-only import specifier and type imports are allowed + if ( + group.allowTypeImports && + isTypeOnlySpecifier(specifier.specifier) + ) { + return; + } + + context.report({ + node, + messageId: customMessage + ? "allowedImportNamePatternWithCustomMessage" + : "allowedImportNamePattern", + loc: specifier.loc, + data: { + importSource, + customMessage, + importName, + allowedImportNamePattern, + }, + }); + }); + } + }); + } + + /** + * Check if the given importSource is restricted by a pattern. + * @param {string} importSource path of the import + * @param {Object} group contains a Ignore instance for paths, and the customMessage to show if it fails + * @returns {boolean} whether the variable is a restricted pattern or not + * @private + */ + function isRestrictedPattern(importSource, group) { + return group.regexMatcher + ? group.regexMatcher.test(importSource) + : group.matcher.ignores(importSource); + } + + /** + * Checks a node to see if any problems should be reported. + * @param {ASTNode} node The node to check. + * @returns {void} + * @private + */ + function checkNode(node) { + const importSource = node.source.value.trim(); + const importNames = new Map(); + + if (node.type === "ExportAllDeclaration") { + const starToken = sourceCode.getFirstToken(node, 1); + + importNames.set("*", [{ loc: starToken.loc }]); + } else if (node.specifiers) { + for (const specifier of node.specifiers) { + let name; + const specifierData = { loc: specifier.loc, specifier }; + + if (specifier.type === "ImportDefaultSpecifier") { + name = "default"; + } else if (specifier.type === "ImportNamespaceSpecifier") { + name = "*"; + } else if (specifier.imported) { + name = astUtils.getModuleExportName(specifier.imported); + } else if (specifier.local) { + name = astUtils.getModuleExportName(specifier.local); + } + + if (typeof name === "string") { + if (importNames.has(name)) { + importNames.get(name).push(specifierData); + } else { + importNames.set(name, [specifierData]); + } + } + } + } + + checkRestrictedPathAndReport(importSource, importNames, node); + restrictedPatternGroups.forEach(group => { + if (isRestrictedPattern(importSource, group)) { + reportPathForPatterns( + node, + group, + importNames, + importSource, + ); + } + }); + } + + return { + ImportDeclaration: checkNode, + ExportNamedDeclaration(node) { + if (node.source) { + checkNode(node); + } + }, + ExportAllDeclaration: checkNode, + // Add support for TypeScript import equals declarations + TSImportEqualsDeclaration(node) { + if (node.moduleReference.type === "TSExternalModuleReference") { + const importSource = node.moduleReference.expression.value; + const importNames = new Map(); + + // Use existing logic with the actual node + checkRestrictedPathAndReport( + importSource, + importNames, + node, + ); + restrictedPatternGroups.forEach(group => { + if (isRestrictedPattern(importSource, group)) { + reportPathForPatterns( + node, + group, + importNames, + importSource, + ); + } + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-restricted-modules.js b/module/node_modules/eslint/lib/rules/no-restricted-modules.js new file mode 100644 index 000000000..c09cb7d9e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-restricted-modules.js @@ -0,0 +1,249 @@ +/** + * @fileoverview Restrict usage of specified node modules. + * @author Christian Schulz + * @deprecated in ESLint v7.0.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const ignore = require("ignore"); + +const arrayOfStrings = { + type: "array", + items: { type: "string" }, + uniqueItems: true, +}; + +const arrayOfStringsOrObjects = { + type: "array", + items: { + anyOf: [ + { type: "string" }, + { + type: "object", + properties: { + name: { type: "string" }, + message: { + type: "string", + minLength: 1, + }, + }, + additionalProperties: false, + required: ["name"], + }, + ], + }, + uniqueItems: true, +}; + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Node.js rules were moved out of ESLint core.", + url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules", + deprecatedSince: "7.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "eslint-plugin-n now maintains deprecated Node.js-related rules.", + plugin: { + name: "eslint-plugin-n", + url: "https://github.com/eslint-community/eslint-plugin-n", + }, + rule: { + name: "no-restricted-require", + url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-restricted-require.md", + }, + }, + ], + }, + + type: "suggestion", + + docs: { + description: "Disallow specified modules when loaded by `require`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-restricted-modules", + }, + + schema: { + anyOf: [ + arrayOfStringsOrObjects, + { + type: "array", + items: { + type: "object", + properties: { + paths: arrayOfStringsOrObjects, + patterns: arrayOfStrings, + }, + additionalProperties: false, + }, + additionalItems: false, + }, + ], + }, + + messages: { + defaultMessage: "'{{name}}' module is restricted from being used.", + customMessage: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "'{{name}}' module is restricted from being used. {{customMessage}}", + patternMessage: + "'{{name}}' module is restricted from being used by a pattern.", + }, + }, + + create(context) { + const options = Array.isArray(context.options) ? context.options : []; + const isPathAndPatternsObject = + typeof options[0] === "object" && + (Object.hasOwn(options[0], "paths") || + Object.hasOwn(options[0], "patterns")); + + const restrictedPaths = + (isPathAndPatternsObject ? options[0].paths : context.options) || + []; + const restrictedPatterns = + (isPathAndPatternsObject ? options[0].patterns : []) || []; + + const restrictedPathMessages = restrictedPaths.reduce( + (memo, importName) => { + if (typeof importName === "string") { + memo[importName] = null; + } else { + memo[importName.name] = importName.message; + } + return memo; + }, + {}, + ); + + // if no imports are restricted we don't need to check + if ( + Object.keys(restrictedPaths).length === 0 && + restrictedPatterns.length === 0 + ) { + return {}; + } + + // relative paths are supported for this rule + const ig = ignore({ allowRelativePaths: true }).add(restrictedPatterns); + + /** + * Function to check if a node is a string literal. + * @param {ASTNode} node The node to check. + * @returns {boolean} If the node is a string literal. + */ + function isStringLiteral(node) { + return ( + node && + node.type === "Literal" && + typeof node.value === "string" + ); + } + + /** + * Function to check if a node is a require call. + * @param {ASTNode} node The node to check. + * @returns {boolean} If the node is a require call. + */ + function isRequireCall(node) { + return ( + node.callee.type === "Identifier" && + node.callee.name === "require" + ); + } + + /** + * Extract string from Literal or TemplateLiteral node + * @param {ASTNode} node The node to extract from + * @returns {string|null} Extracted string or null if node doesn't represent a string + */ + function getFirstArgumentString(node) { + if (isStringLiteral(node)) { + return node.value.trim(); + } + + if (astUtils.isStaticTemplateLiteral(node)) { + return node.quasis[0].value.cooked.trim(); + } + + return null; + } + + /** + * Report a restricted path. + * @param {node} node representing the restricted path reference + * @param {string} name restricted path + * @returns {void} + * @private + */ + function reportPath(node, name) { + const customMessage = restrictedPathMessages[name]; + const messageId = customMessage + ? "customMessage" + : "defaultMessage"; + + context.report({ + node, + messageId, + data: { + name, + customMessage, + }, + }); + } + + /** + * Check if the given name is a restricted path name + * @param {string} name name of a variable + * @returns {boolean} whether the variable is a restricted path or not + * @private + */ + function isRestrictedPath(name) { + return Object.hasOwn(restrictedPathMessages, name); + } + + return { + CallExpression(node) { + if (isRequireCall(node)) { + // node has arguments + if (node.arguments.length) { + const name = getFirstArgumentString(node.arguments[0]); + + // if first argument is a string literal or a static string template literal + if (name) { + // check if argument value is in restricted modules array + if (isRestrictedPath(name)) { + reportPath(node, name); + } + + if ( + restrictedPatterns.length > 0 && + ig.ignores(name) + ) { + context.report({ + node, + messageId: "patternMessage", + data: { name }, + }); + } + } + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-restricted-properties.js b/module/node_modules/eslint/lib/rules/no-restricted-properties.js new file mode 100644 index 000000000..95dbd67d8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-restricted-properties.js @@ -0,0 +1,233 @@ +/** + * @fileoverview Rule to disallow certain object properties + * @author Will Klein & Eli White + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow certain properties on certain objects", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-restricted-properties", + }, + + schema: { + type: "array", + items: { + type: "object", + properties: { + object: { + type: "string", + }, + property: { + type: "string", + }, + allowObjects: { + type: "array", + items: { + type: "string", + }, + uniqueItems: true, + }, + allowProperties: { + type: "array", + items: { + type: "string", + }, + uniqueItems: true, + }, + message: { + type: "string", + }, + }, + anyOf: [ + { + required: ["object"], + }, + { + required: ["property"], + }, + ], + not: { + anyOf: [ + { required: ["allowObjects", "object"] }, + { required: ["allowProperties", "property"] }, + ], + }, + additionalProperties: false, + }, + uniqueItems: true, + }, + + messages: { + restrictedObjectProperty: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "'{{objectName}}.{{propertyName}}' is restricted from being used.{{allowedPropertiesMessage}}{{message}}", + restrictedProperty: + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + "'{{propertyName}}' is restricted from being used.{{allowedObjectsMessage}}{{message}}", + }, + }, + + create(context) { + const restrictedCalls = context.options; + + if (restrictedCalls.length === 0) { + return {}; + } + + const restrictedProperties = new Map(); + const globallyRestrictedObjects = new Map(); + const globallyRestrictedProperties = new Map(); + + restrictedCalls.forEach(option => { + const objectName = option.object; + const propertyName = option.property; + + if (typeof objectName === "undefined") { + globallyRestrictedProperties.set(propertyName, { + allowObjects: option.allowObjects, + message: option.message, + }); + } else if (typeof propertyName === "undefined") { + globallyRestrictedObjects.set(objectName, { + allowProperties: option.allowProperties, + message: option.message, + }); + } else { + if (!restrictedProperties.has(objectName)) { + restrictedProperties.set(objectName, new Map()); + } + + restrictedProperties.get(objectName).set(propertyName, { + message: option.message, + }); + } + }); + + /** + * Checks if a name is in the allowed list. + * @param {string} name The name to check + * @param {string[]} [allowedList] The list of allowed names + * @returns {boolean} True if the name is allowed, false otherwise + */ + function isAllowed(name, allowedList) { + if (!allowedList) { + return false; + } + + return allowedList.includes(name); + } + + /** + * Checks to see whether a property access is restricted, and reports it if so. + * @param {ASTNode} node The node to report + * @param {string} objectName The name of the object + * @param {string} propertyName The name of the property + * @returns {undefined} + */ + function checkPropertyAccess(node, objectName, propertyName) { + if (propertyName === null) { + return; + } + const matchedObject = restrictedProperties.get(objectName); + const matchedObjectProperty = matchedObject + ? matchedObject.get(propertyName) + : globallyRestrictedObjects.get(objectName); + const globalMatchedProperty = + globallyRestrictedProperties.get(propertyName); + + if ( + matchedObjectProperty && + !isAllowed(propertyName, matchedObjectProperty.allowProperties) + ) { + const message = matchedObjectProperty.message + ? ` ${matchedObjectProperty.message}` + : ""; + const allowedPropertiesMessage = + matchedObjectProperty.allowProperties + ? ` Only these properties are allowed: ${matchedObjectProperty.allowProperties.join(", ")}.` + : ""; + + context.report({ + node, + messageId: "restrictedObjectProperty", + data: { + objectName, + propertyName, + message, + allowedPropertiesMessage, + }, + }); + } else if ( + globalMatchedProperty && + !isAllowed(objectName, globalMatchedProperty.allowObjects) + ) { + const message = globalMatchedProperty.message + ? ` ${globalMatchedProperty.message}` + : ""; + const allowedObjectsMessage = globalMatchedProperty.allowObjects + ? ` Property '${propertyName}' is only allowed on these objects: ${globalMatchedProperty.allowObjects.join(", ")}.` + : ""; + + context.report({ + node, + messageId: "restrictedProperty", + data: { + propertyName, + message, + allowedObjectsMessage, + }, + }); + } + } + + return { + MemberExpression(node) { + checkPropertyAccess( + node, + node.object && node.object.name, + astUtils.getStaticPropertyName(node), + ); + }, + ObjectPattern(node) { + let objectName = null; + + if (node.parent.type === "VariableDeclarator") { + if ( + node.parent.init && + node.parent.init.type === "Identifier" + ) { + objectName = node.parent.init.name; + } + } else if ( + node.parent.type === "AssignmentExpression" || + node.parent.type === "AssignmentPattern" + ) { + if (node.parent.right.type === "Identifier") { + objectName = node.parent.right.name; + } + } + + node.properties.forEach(property => { + checkPropertyAccess( + node, + objectName, + astUtils.getStaticPropertyName(property), + ); + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-restricted-syntax.js b/module/node_modules/eslint/lib/rules/no-restricted-syntax.js new file mode 100644 index 000000000..447d29cf1 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-restricted-syntax.js @@ -0,0 +1,74 @@ +/** + * @fileoverview Rule to flag use of certain node types + * @author Burak Yigit Kaya + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow specified syntax", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-restricted-syntax", + }, + + schema: { + type: "array", + items: { + oneOf: [ + { + type: "string", + }, + { + type: "object", + properties: { + selector: { type: "string" }, + message: { type: "string" }, + }, + required: ["selector"], + additionalProperties: false, + }, + ], + }, + uniqueItems: true, + minItems: 0, + }, + + messages: { + // eslint-disable-next-line eslint-plugin/report-message-format -- Custom message might not end in a period + restrictedSyntax: "{{message}}", + }, + }, + + create(context) { + return context.options.reduce((result, selectorOrObject) => { + const isStringFormat = typeof selectorOrObject === "string"; + const hasCustomMessage = + !isStringFormat && Boolean(selectorOrObject.message); + + const selector = isStringFormat + ? selectorOrObject + : selectorOrObject.selector; + const message = hasCustomMessage + ? selectorOrObject.message + : `Using '${selector}' is not allowed.`; + + return Object.assign(result, { + [selector](node) { + context.report({ + node, + messageId: "restrictedSyntax", + data: { message }, + }); + }, + }); + }, {}); + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-return-assign.js b/module/node_modules/eslint/lib/rules/no-return-assign.js new file mode 100644 index 000000000..92999ddf2 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-return-assign.js @@ -0,0 +1,87 @@ +/** + * @fileoverview Rule to flag when return statement contains assignment + * @author Ilya Volodin + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const SENTINEL_TYPE = + /^(?:[a-zA-Z]+?Statement|ArrowFunctionExpression|FunctionExpression|ClassExpression)$/u; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: ["except-parens"], + + docs: { + description: "Disallow assignment operators in `return` statements", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-return-assign", + }, + + schema: [ + { + enum: ["except-parens", "always"], + }, + ], + + messages: { + returnAssignment: "Return statement should not contain assignment.", + arrowAssignment: "Arrow function should not return assignment.", + }, + }, + + create(context) { + const always = context.options[0] !== "except-parens"; + const sourceCode = context.sourceCode; + + return { + AssignmentExpression(node) { + if (!always && astUtils.isParenthesised(sourceCode, node)) { + return; + } + + let currentChild = node; + let parent = currentChild.parent; + + // Find ReturnStatement or ArrowFunctionExpression in ancestors. + while (parent && !SENTINEL_TYPE.test(parent.type)) { + currentChild = parent; + parent = parent.parent; + } + + // Reports. + if (parent && parent.type === "ReturnStatement") { + context.report({ + node: parent, + messageId: "returnAssignment", + }); + } else if ( + parent && + parent.type === "ArrowFunctionExpression" && + parent.body === currentChild + ) { + context.report({ + node: parent, + messageId: "arrowAssignment", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-return-await.js b/module/node_modules/eslint/lib/rules/no-return-await.js new file mode 100644 index 000000000..21627eddf --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-return-await.js @@ -0,0 +1,162 @@ +/** + * @fileoverview Disallows unnecessary `return await` + * @author Jordan Harband + * @deprecated in ESLint v8.46.0 + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + hasSuggestions: true, + type: "suggestion", + + docs: { + description: "Disallow unnecessary `return await`", + + recommended: false, + + url: "https://eslint.org/docs/latest/rules/no-return-await", + }, + + fixable: null, + + deprecated: { + message: + "The original assumption of the rule no longer holds true because of engine optimization.", + deprecatedSince: "8.46.0", + availableUntil: null, + replacedBy: [], + }, + + schema: [], + + messages: { + removeAwait: "Remove redundant `await`.", + redundantUseOfAwait: "Redundant use of `await` on a return value.", + }, + }, + + create(context) { + /** + * Reports a found unnecessary `await` expression. + * @param {ASTNode} node The node representing the `await` expression to report + * @returns {void} + */ + function reportUnnecessaryAwait(node) { + context.report({ + node: context.sourceCode.getFirstToken(node), + loc: node.loc, + messageId: "redundantUseOfAwait", + suggest: [ + { + messageId: "removeAwait", + fix(fixer) { + const sourceCode = context.sourceCode; + const [awaitToken, tokenAfterAwait] = + sourceCode.getFirstTokens(node, 2); + + const areAwaitAndAwaitedExpressionOnTheSameLine = + awaitToken.loc.start.line === + tokenAfterAwait.loc.start.line; + + if (!areAwaitAndAwaitedExpressionOnTheSameLine) { + return null; + } + + const [startOfAwait, endOfAwait] = awaitToken.range; + + const characterAfterAwait = + sourceCode.text[endOfAwait]; + const trimLength = + characterAfterAwait === " " ? 1 : 0; + + const range = [ + startOfAwait, + endOfAwait + trimLength, + ]; + + return fixer.removeRange(range); + }, + }, + ], + }); + } + + /** + * Determines whether a thrown error from this node will be caught/handled within this function rather than immediately halting + * this function. For example, a statement in a `try` block will always have an error handler. A statement in + * a `catch` block will only have an error handler if there is also a `finally` block. + * @param {ASTNode} node A node representing a location where an could be thrown + * @returns {boolean} `true` if a thrown error will be caught/handled in this function + */ + function hasErrorHandler(node) { + let ancestor = node; + + while ( + !astUtils.isFunction(ancestor) && + ancestor.type !== "Program" + ) { + if ( + ancestor.parent.type === "TryStatement" && + (ancestor === ancestor.parent.block || + (ancestor === ancestor.parent.handler && + ancestor.parent.finalizer)) + ) { + return true; + } + ancestor = ancestor.parent; + } + return false; + } + + /** + * Checks if a node is placed in tail call position. Once `return` arguments (or arrow function expressions) can be a complex expression, + * an `await` expression could or could not be unnecessary by the definition of this rule. So we're looking for `await` expressions that are in tail position. + * @param {ASTNode} node A node representing the `await` expression to check + * @returns {boolean} The checking result + */ + function isInTailCallPosition(node) { + if (node.parent.type === "ArrowFunctionExpression") { + return true; + } + if (node.parent.type === "ReturnStatement") { + return !hasErrorHandler(node.parent); + } + if ( + node.parent.type === "ConditionalExpression" && + (node === node.parent.consequent || + node === node.parent.alternate) + ) { + return isInTailCallPosition(node.parent); + } + if ( + node.parent.type === "LogicalExpression" && + node === node.parent.right + ) { + return isInTailCallPosition(node.parent); + } + if ( + node.parent.type === "SequenceExpression" && + node === node.parent.expressions.at(-1) + ) { + return isInTailCallPosition(node.parent); + } + return false; + } + + return { + AwaitExpression(node) { + if (isInTailCallPosition(node) && !hasErrorHandler(node)) { + reportUnnecessaryAwait(node); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-script-url.js b/module/node_modules/eslint/lib/rules/no-script-url.js new file mode 100644 index 000000000..fe550b6de --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-script-url.js @@ -0,0 +1,68 @@ +/** + * @fileoverview Rule to disallow `javascript:` URLs + * @author Ilya Volodin + */ +/* eslint no-script-url: 0 -- Code is checking to report such URLs */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow `javascript:` URLs", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-script-url", + }, + + schema: [], + + messages: { + unexpectedScriptURL: "Script URL is a form of eval.", + }, + }, + + create(context) { + /** + * Check whether a node's static value starts with `javascript:` or not. + * And report an error for unexpected script URL. + * @param {ASTNode} node node to check + * @returns {void} + */ + function check(node) { + const value = astUtils.getStaticStringValue(node); + + if ( + typeof value === "string" && + value.toLowerCase().indexOf("javascript:") === 0 + ) { + context.report({ node, messageId: "unexpectedScriptURL" }); + } + } + return { + Literal(node) { + if (node.value && typeof node.value === "string") { + check(node); + } + }, + TemplateLiteral(node) { + if ( + !( + node.parent && + node.parent.type === "TaggedTemplateExpression" + ) + ) { + check(node); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-self-assign.js b/module/node_modules/eslint/lib/rules/no-self-assign.js new file mode 100644 index 000000000..c1831bb03 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-self-assign.js @@ -0,0 +1,186 @@ +/** + * @fileoverview Rule to disallow assignments where both sides are exactly the same + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const SPACES = /\s+/gu; + +/** + * Traverses 2 Pattern nodes in parallel, then reports self-assignments. + * @param {ASTNode|null} left A left node to traverse. This is a Pattern or + * a Property. + * @param {ASTNode|null} right A right node to traverse. This is a Pattern or + * a Property. + * @param {boolean} props The flag to check member expressions as well. + * @param {Function} report A callback function to report. + * @returns {void} + */ +function eachSelfAssignment(left, right, props, report) { + if (!left || !right) { + // do nothing + } else if ( + left.type === "Identifier" && + right.type === "Identifier" && + left.name === right.name + ) { + report(right); + } else if ( + left.type === "ArrayPattern" && + right.type === "ArrayExpression" + ) { + const end = Math.min(left.elements.length, right.elements.length); + + for (let i = 0; i < end; ++i) { + const leftElement = left.elements[i]; + const rightElement = right.elements[i]; + + // Avoid cases such as [...a] = [...a, 1] + if ( + leftElement && + leftElement.type === "RestElement" && + i < right.elements.length - 1 + ) { + break; + } + + eachSelfAssignment(leftElement, rightElement, props, report); + + // After a spread element, those indices are unknown. + if (rightElement && rightElement.type === "SpreadElement") { + break; + } + } + } else if (left.type === "RestElement" && right.type === "SpreadElement") { + eachSelfAssignment(left.argument, right.argument, props, report); + } else if ( + left.type === "ObjectPattern" && + right.type === "ObjectExpression" && + right.properties.length >= 1 + ) { + /* + * Gets the index of the last spread property. + * It's possible to overwrite properties followed by it. + */ + let startJ = 0; + + for (let i = right.properties.length - 1; i >= 0; --i) { + const propType = right.properties[i].type; + + if ( + propType === "SpreadElement" || + propType === "ExperimentalSpreadProperty" + ) { + startJ = i + 1; + break; + } + } + + for (let i = 0; i < left.properties.length; ++i) { + for (let j = startJ; j < right.properties.length; ++j) { + eachSelfAssignment( + left.properties[i], + right.properties[j], + props, + report, + ); + } + } + } else if ( + left.type === "Property" && + right.type === "Property" && + right.kind === "init" && + !right.method + ) { + const leftName = astUtils.getStaticPropertyName(left); + + if ( + leftName !== null && + leftName === astUtils.getStaticPropertyName(right) + ) { + eachSelfAssignment(left.value, right.value, props, report); + } + } else if ( + props && + astUtils.skipChainExpression(left).type === "MemberExpression" && + astUtils.skipChainExpression(right).type === "MemberExpression" && + astUtils.isSameReference(left, right) + ) { + report(right); + } +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [{ props: true }], + + docs: { + description: + "Disallow assignments where both sides are exactly the same", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-self-assign", + }, + + schema: [ + { + type: "object", + properties: { + props: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + selfAssignment: "'{{name}}' is assigned to itself.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const [{ props }] = context.options; + + /** + * Reports a given node as self assignments. + * @param {ASTNode} node A node to report. This is an Identifier node. + * @returns {void} + */ + function report(node) { + context.report({ + node, + messageId: "selfAssignment", + data: { + name: sourceCode.getText(node).replace(SPACES, ""), + }, + }); + } + + return { + AssignmentExpression(node) { + if (["=", "&&=", "||=", "??="].includes(node.operator)) { + eachSelfAssignment(node.left, node.right, props, report); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-self-compare.js b/module/node_modules/eslint/lib/rules/no-self-compare.js new file mode 100644 index 000000000..ee05d3a60 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-self-compare.js @@ -0,0 +1,77 @@ +/** + * @fileoverview Rule to flag comparison where left part is the same as the right + * part. + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow comparisons where both sides are exactly the same", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-self-compare", + }, + + schema: [], + + messages: { + comparingToSelf: "Comparing to itself is potentially pointless.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Determines whether two nodes are composed of the same tokens. + * @param {ASTNode} nodeA The first node + * @param {ASTNode} nodeB The second node + * @returns {boolean} true if the nodes have identical token representations + */ + function hasSameTokens(nodeA, nodeB) { + const tokensA = sourceCode.getTokens(nodeA); + const tokensB = sourceCode.getTokens(nodeB); + + return ( + tokensA.length === tokensB.length && + tokensA.every( + (token, index) => + token.type === tokensB[index].type && + token.value === tokensB[index].value, + ) + ); + } + + return { + BinaryExpression(node) { + const operators = new Set([ + "===", + "==", + "!==", + "!=", + ">", + "<", + ">=", + "<=", + ]); + + if ( + operators.has(node.operator) && + hasSameTokens(node.left, node.right) + ) { + context.report({ node, messageId: "comparingToSelf" }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-sequences.js b/module/node_modules/eslint/lib/rules/no-sequences.js new file mode 100644 index 000000000..96a8ba4e3 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-sequences.js @@ -0,0 +1,158 @@ +/** + * @fileoverview Rule to flag use of comma operator + * @author Brandon Mills + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow comma operators", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-sequences", + }, + + schema: [ + { + type: "object", + properties: { + allowInParentheses: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + defaultOptions: [ + { + allowInParentheses: true, + }, + ], + + messages: { + unexpectedCommaExpression: "Unexpected use of comma operator.", + }, + }, + + create(context) { + const [{ allowInParentheses }] = context.options; + const sourceCode = context.sourceCode; + + /** + * Parts of the grammar that are required to have parens. + */ + const parenthesized = { + DoWhileStatement: "test", + IfStatement: "test", + SwitchStatement: "discriminant", + WhileStatement: "test", + WithStatement: "object", + ArrowFunctionExpression: "body", + + /* + * Omitting CallExpression - commas are parsed as argument separators + * Omitting NewExpression - commas are parsed as argument separators + * Omitting ForInStatement - parts aren't individually parenthesised + * Omitting ForStatement - parts aren't individually parenthesised + */ + }; + + /** + * Determines whether a node is required by the grammar to be wrapped in + * parens, e.g. the test of an if statement. + * @param {ASTNode} node The AST node + * @returns {boolean} True if parens around node belong to parent node. + */ + function requiresExtraParens(node) { + return ( + node.parent && + parenthesized[node.parent.type] && + node === node.parent[parenthesized[node.parent.type]] + ); + } + + /** + * Check if a node is wrapped in parens. + * @param {ASTNode} node The AST node + * @returns {boolean} True if the node has a paren on each side. + */ + function isParenthesised(node) { + return astUtils.isParenthesised(sourceCode, node); + } + + /** + * Check if a node is wrapped in two levels of parens. + * @param {ASTNode} node The AST node + * @returns {boolean} True if two parens surround the node on each side. + */ + function isParenthesisedTwice(node) { + const previousToken = sourceCode.getTokenBefore(node, 1), + nextToken = sourceCode.getTokenAfter(node, 1); + + return ( + isParenthesised(node) && + previousToken && + nextToken && + astUtils.isOpeningParenToken(previousToken) && + previousToken.range[1] <= node.range[0] && + astUtils.isClosingParenToken(nextToken) && + nextToken.range[0] >= node.range[1] + ); + } + + return { + SequenceExpression(node) { + // Always allow sequences in for statement update + if ( + node.parent.type === "ForStatement" && + (node === node.parent.init || node === node.parent.update) + ) { + return; + } + + // Wrapping a sequence in extra parens indicates intent + if (allowInParentheses) { + if (requiresExtraParens(node)) { + if (isParenthesisedTwice(node)) { + return; + } + } else { + if (isParenthesised(node)) { + return; + } + } + } + + const firstCommaToken = sourceCode.getTokenAfter( + node.expressions[0], + astUtils.isCommaToken, + ); + + context.report({ + node, + loc: firstCommaToken.loc, + messageId: "unexpectedCommaExpression", + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-setter-return.js b/module/node_modules/eslint/lib/rules/no-setter-return.js new file mode 100644 index 000000000..63e0de53b --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-setter-return.js @@ -0,0 +1,224 @@ +/** + * @fileoverview Rule to disallow returning values from setters + * @author Milos Djermanovic + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines whether the given node is an argument of the specified global method call, at the given `index` position. + * E.g., for given `index === 1`, this function checks for `objectName.methodName(foo, node)`, where objectName is a global variable. + * @param {ASTNode} node The node to check. + * @param {SourceCode} sourceCode Source code to which the node belongs. + * @param {string} objectName Name of the global object. + * @param {string} methodName Name of the method. + * @param {number} index The given position. + * @returns {boolean} `true` if the node is argument at the given position. + */ +function isArgumentOfGlobalMethodCall( + node, + sourceCode, + objectName, + methodName, + index, +) { + const callNode = node.parent; + + return ( + callNode.type === "CallExpression" && + callNode.arguments[index] === node && + astUtils.isSpecificMemberAccess( + callNode.callee, + objectName, + methodName, + ) && + sourceCode.isGlobalReference( + astUtils.skipChainExpression(callNode.callee).object, + ) + ); +} + +/** + * Determines whether the given node is used as a property descriptor. + * @param {ASTNode} node The node to check. + * @param {SourceCode} sourceCode Source code to which the node belongs. + * @returns {boolean} `true` if the node is a property descriptor. + */ +function isPropertyDescriptor(node, sourceCode) { + if ( + isArgumentOfGlobalMethodCall( + node, + sourceCode, + "Object", + "defineProperty", + 2, + ) || + isArgumentOfGlobalMethodCall( + node, + sourceCode, + "Reflect", + "defineProperty", + 2, + ) + ) { + return true; + } + + const parent = node.parent; + + if (parent.type === "Property" && parent.value === node) { + const grandparent = parent.parent; + + if ( + grandparent.type === "ObjectExpression" && + (isArgumentOfGlobalMethodCall( + grandparent, + sourceCode, + "Object", + "create", + 1, + ) || + isArgumentOfGlobalMethodCall( + grandparent, + sourceCode, + "Object", + "defineProperties", + 1, + )) + ) { + return true; + } + } + + return false; +} + +/** + * Determines whether the given function node is used as a setter function. + * @param {ASTNode} node The node to check. + * @param {SourceCode} sourceCode Source code to which the node belongs. + * @returns {boolean} `true` if the node is a setter. + */ +function isSetter(node, sourceCode) { + const parent = node.parent; + + if ( + (parent.type === "Property" || parent.type === "MethodDefinition") && + parent.kind === "set" && + parent.value === node + ) { + // Setter in an object literal or in a class + return true; + } + + if ( + parent.type === "Property" && + parent.value === node && + astUtils.getStaticPropertyName(parent) === "set" && + parent.parent.type === "ObjectExpression" && + isPropertyDescriptor(parent.parent, sourceCode) + ) { + // Setter in a property descriptor + return true; + } + + return false; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow returning values from setters", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-setter-return", + }, + + schema: [], + + messages: { + returnsValue: "Setter cannot return a value.", + }, + }, + + create(context) { + let funcInfo = null; + const sourceCode = context.sourceCode; + + /** + * Creates and pushes to the stack a function info object for the given function node. + * @param {ASTNode} node The function node. + * @returns {void} + */ + function enterFunction(node) { + funcInfo = { + upper: funcInfo, + isSetter: isSetter(node, sourceCode), + }; + } + + /** + * Pops the current function info object from the stack. + * @returns {void} + */ + function exitFunction() { + funcInfo = funcInfo.upper; + } + + /** + * Reports the given node. + * @param {ASTNode} node Node to report. + * @returns {void} + */ + function report(node) { + context.report({ node, messageId: "returnsValue" }); + } + + return { + /* + * Function declarations cannot be setters, but we still have to track them in the `funcInfo` stack to avoid + * false positives, because a ReturnStatement node can belong to a function declaration inside a setter. + * + * Note: A previously declared function can be referenced and actually used as a setter in a property descriptor, + * but that's out of scope for this rule. + */ + FunctionDeclaration: enterFunction, + FunctionExpression: enterFunction, + ArrowFunctionExpression(node) { + enterFunction(node); + + if (funcInfo.isSetter && node.expression) { + // { set: foo => bar } property descriptor. Report implicit return 'bar' as the equivalent for a return statement. + report(node.body); + } + }, + + "FunctionDeclaration:exit": exitFunction, + "FunctionExpression:exit": exitFunction, + "ArrowFunctionExpression:exit": exitFunction, + + ReturnStatement(node) { + // Global returns (e.g., at the top level of a Node module) don't have `funcInfo`. + if (funcInfo && funcInfo.isSetter && node.argument) { + report(node); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-shadow-restricted-names.js b/module/node_modules/eslint/lib/rules/no-shadow-restricted-names.js new file mode 100644 index 000000000..949eed8e6 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-shadow-restricted-names.js @@ -0,0 +1,113 @@ +/** + * @fileoverview Disallow shadowing of globalThis, NaN, undefined, and Infinity (ES2020 section 18.1) + * @author Michael Ficarra + */ +"use strict"; + +/** + * Determines if a variable safely shadows undefined. + * This is the case when a variable named `undefined` is never assigned to a value (i.e. it always shares the same value + * as the global). + * @param {eslintScope.Variable} variable The variable to check + * @returns {boolean} true if this variable safely shadows `undefined` + */ +function safelyShadowsUndefined(variable) { + return ( + variable.name === "undefined" && + variable.references.every(ref => !ref.isWrite()) && + variable.defs.every( + def => + def.node.type === "VariableDeclarator" && + def.node.init === null, + ) + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + reportGlobalThis: false, + }, + ], + + docs: { + description: "Disallow identifiers from shadowing restricted names", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-shadow-restricted-names", + }, + + schema: [ + { + type: "object", + properties: { + reportGlobalThis: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + shadowingRestrictedName: "Shadowing of global property '{{name}}'.", + }, + }, + + create(context) { + const [{ reportGlobalThis }] = context.options; + + const RESTRICTED = new Set([ + "undefined", + "NaN", + "Infinity", + "arguments", + "eval", + ]); + + if (reportGlobalThis) { + RESTRICTED.add("globalThis"); + } + + const sourceCode = context.sourceCode; + + // Track reported nodes to avoid duplicate reports. For example, on class declarations. + const reportedNodes = new Set(); + + return { + "VariableDeclaration, :function, CatchClause, ImportDeclaration, ClassDeclaration, ClassExpression"( + node, + ) { + for (const variable of sourceCode.getDeclaredVariables(node)) { + if ( + variable.defs.length > 0 && + RESTRICTED.has(variable.name) && + !safelyShadowsUndefined(variable) + ) { + for (const def of variable.defs) { + const nodeToReport = def.name; + + if (!reportedNodes.has(nodeToReport)) { + reportedNodes.add(nodeToReport); + context.report({ + node: nodeToReport, + messageId: "shadowingRestrictedName", + data: { + name: variable.name, + }, + }); + } + } + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-shadow.js b/module/node_modules/eslint/lib/rules/no-shadow.js new file mode 100644 index 000000000..bbd0f9e40 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-shadow.js @@ -0,0 +1,624 @@ +/** + * @fileoverview Rule to flag on declaring variables already declared in the outer scope + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const FUNC_EXPR_NODE_TYPES = new Set([ + "ArrowFunctionExpression", + "FunctionExpression", +]); +const CALL_EXPR_NODE_TYPE = new Set(["CallExpression"]); +const FOR_IN_OF_TYPE = /^For(?:In|Of)Statement$/u; +const SENTINEL_TYPE = + /^(?:(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression|CatchClause|ImportDeclaration|ExportNamedDeclaration)$/u; + +// TS-specific node types +const TYPES_HOISTED_NODES = new Set([ + "TSInterfaceDeclaration", + "TSTypeAliasDeclaration", +]); + +// TS-specific function variable def types +const ALLOWED_FUNCTION_VARIABLE_DEF_TYPES = new Set([ + "TSCallSignatureDeclaration", + "TSFunctionType", + "TSMethodSignature", + "TSEmptyBodyFunctionExpression", + "TSDeclareFunction", + "TSConstructSignatureDeclaration", + "TSConstructorType", +]); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + dialects: ["typescript", "javascript"], + language: "javascript", + + defaultOptions: [ + { + allow: [], + builtinGlobals: false, + hoist: "functions", + ignoreOnInitialization: false, + ignoreTypeValueShadow: true, + ignoreFunctionTypeParameterNameValueShadow: true, + }, + ], + + docs: { + description: + "Disallow variable declarations from shadowing variables declared in the outer scope", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-shadow", + }, + + schema: [ + { + type: "object", + properties: { + builtinGlobals: { type: "boolean" }, + hoist: { + enum: [ + "all", + "functions", + "never", + "types", + "functions-and-types", + ], + }, + allow: { + type: "array", + items: { + type: "string", + }, + }, + ignoreOnInitialization: { type: "boolean" }, + ignoreTypeValueShadow: { type: "boolean" }, + ignoreFunctionTypeParameterNameValueShadow: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + noShadow: + "'{{name}}' is already declared in the upper scope on line {{shadowedLine}} column {{shadowedColumn}}.", + noShadowGlobal: "'{{name}}' is already a global variable.", + }, + }, + + create(context) { + const [ + { + builtinGlobals, + hoist, + allow, + ignoreOnInitialization, + ignoreTypeValueShadow, + ignoreFunctionTypeParameterNameValueShadow, + }, + ] = context.options; + const sourceCode = context.sourceCode; + + /** + * Check if a scope is a TypeScript module augmenting the global namespace. + * @param {Scope} scope The scope to check + * @returns {boolean} Whether the scope is a global augmentation + */ + function isGlobalAugmentation(scope) { + return ( + scope.block.kind === "global" || + (!!scope.upper && isGlobalAugmentation(scope.upper)) + ); + } + + /** + * Check if variable is a `this` parameter. + * @param {Object} variable The variable to check + * @returns {boolean} Whether the variable is a this parameter + */ + function isThisParam(variable) { + return variable.name === "this"; + } + + /** + * Checks if type and value shadows each other + * @param {Object} variable The variable to check + * @param {Object} shadowedVariable The shadowed variable + * @returns {boolean} Whether it's a type/value shadow case to ignore + */ + function isTypeValueShadow(variable, shadowedVariable) { + if (ignoreTypeValueShadow !== true) { + return false; + } + + if (!("isValueVariable" in variable)) { + return false; + } + + const firstDefinition = shadowedVariable.defs[0]; + + // Check if shadowedVariable is a type import + const isTypeImport = + firstDefinition && + firstDefinition.parent?.type === "ImportDeclaration" && + (firstDefinition.parent.importKind === "type" || + firstDefinition.parent.specifiers.some( + s => s.importKind === "type", + )); + + const isShadowedValue = + !firstDefinition || + (isTypeImport ? false : shadowedVariable.isValueVariable); + + return variable.isValueVariable !== isShadowedValue; + } + + /** + * Checks if it's a function type parameter shadow + * @param {Object} variable The variable to check + * @returns {boolean} Whether it's a function type parameter shadow case to ignore + */ + function isFunctionTypeParameterNameValueShadow(variable) { + if (ignoreFunctionTypeParameterNameValueShadow !== true) { + return false; + } + + return variable.defs.some(def => + ALLOWED_FUNCTION_VARIABLE_DEF_TYPES.has(def.node.type), + ); + } + + /** + * Checks if the variable is a generic of a static method + * @param {Object} variable The variable to check + * @returns {boolean} Whether the variable is a generic of a static method + */ + function isTypeParameterOfStaticMethod(variable) { + const typeParameter = variable.identifiers[0].parent; + const typeParameterDecl = typeParameter.parent; + if (typeParameterDecl.type !== "TSTypeParameterDeclaration") { + return false; + } + const functionExpr = typeParameterDecl.parent; + const methodDefinition = functionExpr.parent; + return methodDefinition.static; + } + + /** + * Checks for static method generic shadowing class generic + * @param {Object} variable The variable to check + * @returns {boolean} Whether it's a static method generic shadowing class generic + */ + function isGenericOfAStaticMethodShadow(variable) { + return isTypeParameterOfStaticMethod(variable); + } + + /** + * Checks whether or not a given location is inside of the range of a given node. + * @param {ASTNode} node An node to check. + * @param {number} location A location to check. + * @returns {boolean} `true` if the location is inside of the range of the node. + */ + function isInRange(node, location) { + return ( + node && node.range[0] <= location && location <= node.range[1] + ); + } + + /** + * Searches from the current node through its ancestry to find a matching node. + * @param {ASTNode} node a node to get. + * @param {(node: ASTNode) => boolean} match a callback that checks whether or not the node verifies its condition or not. + * @returns {ASTNode|null} the matching node. + */ + function findSelfOrAncestor(node, match) { + let currentNode = node; + + while (currentNode && !match(currentNode)) { + currentNode = currentNode.parent; + } + return currentNode; + } + + /** + * Finds function's outer scope. + * @param {Scope} scope Function's own scope. + * @returns {Scope} Function's outer scope. + */ + function getOuterScope(scope) { + const upper = scope.upper; + + if (upper && upper.type === "function-expression-name") { + return upper.upper; + } + return upper; + } + + /** + * Checks if a variable and a shadowedVariable have the same init pattern ancestor. + * @param {Object} variable a variable to check. + * @param {Object} shadowedVariable a shadowedVariable to check. + * @returns {boolean} Whether or not the variable and the shadowedVariable have the same init pattern ancestor. + */ + function isInitPatternNode(variable, shadowedVariable) { + const outerDef = shadowedVariable.defs[0]; + + if (!outerDef) { + return false; + } + + const { variableScope } = variable.scope; + + if ( + !( + FUNC_EXPR_NODE_TYPES.has(variableScope.block.type) && + getOuterScope(variableScope) === shadowedVariable.scope + ) + ) { + return false; + } + + const fun = variableScope.block; + const { parent } = fun; + + const callExpression = findSelfOrAncestor(parent, node => + CALL_EXPR_NODE_TYPE.has(node.type), + ); + + if (!callExpression) { + return false; + } + + let node = outerDef.name; + const location = callExpression.range[1]; + + while (node) { + if (node.type === "VariableDeclarator") { + if (isInRange(node.init, location)) { + return true; + } + if ( + FOR_IN_OF_TYPE.test(node.parent.parent.type) && + isInRange(node.parent.parent.right, location) + ) { + return true; + } + break; + } else if (node.type === "AssignmentPattern") { + if (isInRange(node.right, location)) { + return true; + } + } else if (SENTINEL_TYPE.test(node.type)) { + break; + } + + node = node.parent; + } + + return false; + } + + /** + * Check if variable name is allowed. + * @param {ASTNode} variable The variable to check. + * @returns {boolean} Whether or not the variable name is allowed. + */ + function isAllowed(variable) { + return allow.includes(variable.name); + } + + /** + * Checks if a variable of the class name in the class scope of ClassDeclaration. + * + * ClassDeclaration creates two variables of its name into its outer scope and its class scope. + * So we should ignore the variable in the class scope. + * @param {Object} variable The variable to check. + * @returns {boolean} Whether or not the variable of the class name in the class scope of ClassDeclaration. + */ + function isDuplicatedClassNameVariable(variable) { + const block = variable.scope.block; + + return ( + block.type === "ClassDeclaration" && + block.id === variable.identifiers[0] + ); + } + + /** + * Checks if a variable is inside the initializer of scopeVar. + * + * To avoid reporting at declarations such as `var a = function a() {};`. + * But it should report `var a = function(a) {};` or `var a = function() { function a() {} };`. + * @param {Object} variable The variable to check. + * @param {Object} scopeVar The scope variable to look for. + * @returns {boolean} Whether or not the variable is inside initializer of scopeVar. + */ + function isOnInitializer(variable, scopeVar) { + const outerScope = scopeVar.scope; + const outerDef = scopeVar.defs[0]; + const outer = outerDef && outerDef.parent && outerDef.parent.range; + const innerScope = variable.scope; + const innerDef = variable.defs[0]; + const inner = innerDef && innerDef.name.range; + + return ( + outer && + inner && + outer[0] < inner[0] && + inner[1] < outer[1] && + ((innerDef.type === "FunctionName" && + innerDef.node.type === "FunctionExpression") || + innerDef.node.type === "ClassExpression") && + outerScope === innerScope.upper + ); + } + + /** + * Get a range of a variable's identifier node. + * @param {Object} variable The variable to get. + * @returns {Array|undefined} The range of the variable's identifier node. + */ + function getNameRange(variable) { + const def = variable.defs[0]; + + return def && def.name.range; + } + + /** + * Get declared line and column of a variable. + * @param {eslint-scope.Variable} variable The variable to get. + * @returns {Object} The declared line and column of the variable. + */ + function getDeclaredLocation(variable) { + const identifier = variable.identifiers[0]; + let obj; + + if (identifier) { + obj = { + global: false, + line: identifier.loc.start.line, + column: identifier.loc.start.column + 1, + }; + } else { + obj = { + global: true, + }; + } + return obj; + } + + /** + * Checks if a variable is in TDZ of scopeVar. + * @param {Object} variable The variable to check. + * @param {Object} scopeVar The variable of TDZ. + * @returns {boolean} Whether or not the variable is in TDZ of scopeVar. + */ + function isInTdz(variable, scopeVar) { + const outerDef = scopeVar.defs[0]; + const inner = getNameRange(variable); + const outer = getNameRange(scopeVar); + + if (!outer || inner[1] >= outer[0]) { + return false; + } + + if (hoist === "types") { + return !TYPES_HOISTED_NODES.has(outerDef.node.type); + } + + if (hoist === "functions-and-types") { + return ( + outerDef.node.type !== "FunctionDeclaration" && + !TYPES_HOISTED_NODES.has(outerDef.node.type) + ); + } + + return ( + inner && + outer && + inner[1] < outer[0] && + // Excepts FunctionDeclaration if is {"hoist":"function"}. + (hoist !== "functions" || + !outerDef || + outerDef.node.type !== "FunctionDeclaration") + ); + } + + /** + * Checks if the initialization of a variable has the declare modifier in a + * definition file. + * @param {Object} variable The variable to check + * @returns {boolean} Whether the variable is declared in a definition file + */ + function isDeclareInDTSFile(variable) { + const fileName = context.filename; + if ( + !fileName.endsWith(".d.ts") && + !fileName.endsWith(".d.cts") && + !fileName.endsWith(".d.mts") + ) { + return false; + } + return variable.defs.some( + def => + (def.type === "Variable" && def.parent.declare) || + (def.type === "ClassName" && def.node.declare) || + (def.type === "TSEnumName" && def.node.declare) || + (def.type === "TSModuleName" && def.node.declare), + ); + } + + /** + * Checks if a variable is a duplicate of an enum name in the enum scope + * @param {Object} variable The variable to check + * @returns {boolean} Whether it's a duplicate enum name variable + */ + function isDuplicatedEnumNameVariable(variable) { + const block = variable.scope.block; + + return ( + block.type === "TSEnumDeclaration" && + block.id === variable.identifiers[0] + ); + } + + /** + * Check if this is an external module declaration merging with a type import + * @param {Scope} scope Current scope + * @param {Object} variable Current variable + * @param {Object} shadowedVariable Shadowed variable + * @returns {boolean} Whether it's an external declaration merging + */ + function isExternalDeclarationMerging( + scope, + variable, + shadowedVariable, + ) { + const firstDefinition = shadowedVariable.defs[0]; + + if (!firstDefinition || !firstDefinition.parent) { + return false; + } + + // Check if the shadowed variable is a type import + const isTypeImport = + firstDefinition.parent.type === "ImportDeclaration" && + (firstDefinition.parent.importKind === "type" || + firstDefinition.parent.specifiers?.some( + s => + s.type === "ImportSpecifier" && + s.importKind === "type" && + s.local.name === shadowedVariable.name, + )); + + if (!isTypeImport) { + return false; + } + + // Check if the current variable is within a module declaration + const moduleDecl = findSelfOrAncestor( + variable.identifiers[0]?.parent, + node => node.type === "TSModuleDeclaration", + ); + + if (!moduleDecl) { + return false; + } + + /* + * Module declaration merging should only happen within the same module + * Check if the module name matches the import source + */ + const importSource = firstDefinition.parent.source.value; + const moduleName = + moduleDecl.id.type === "Literal" + ? moduleDecl.id.value + : moduleDecl.id.name; + + return importSource === moduleName; + } + + /** + * Checks the current context for shadowed variables. + * @param {Scope} scope Fixme + * @returns {void} + */ + function checkForShadows(scope) { + // ignore global augmentation + if (isGlobalAugmentation(scope)) { + return; + } + + const variables = scope.variables; + + for (let i = 0; i < variables.length; ++i) { + const variable = variables[i]; + + // Skips "arguments" or variables of a class name in the class scope of ClassDeclaration. + if ( + variable.identifiers.length === 0 || + isDuplicatedClassNameVariable(variable) || + isDuplicatedEnumNameVariable(variable) || + isAllowed(variable) || + isDeclareInDTSFile(variable) || + isThisParam(variable) + ) { + continue; + } + + // Gets shadowed variable. + const shadowed = astUtils.getVariableByName( + scope.upper, + variable.name, + ); + + if ( + shadowed && + (shadowed.identifiers.length > 0 || + (builtinGlobals && "writeable" in shadowed)) && + !isOnInitializer(variable, shadowed) && + !( + ignoreOnInitialization && + isInitPatternNode(variable, shadowed) + ) && + !(hoist !== "all" && isInTdz(variable, shadowed)) && + !isTypeValueShadow(variable, shadowed) && + !isFunctionTypeParameterNameValueShadow(variable) && + !isGenericOfAStaticMethodShadow(variable, shadowed) && + !isExternalDeclarationMerging(scope, variable, shadowed) + ) { + const location = getDeclaredLocation(shadowed); + const messageId = location.global + ? "noShadowGlobal" + : "noShadow"; + const data = { name: variable.name }; + + if (!location.global) { + data.shadowedLine = location.line; + data.shadowedColumn = location.column; + } + context.report({ + node: variable.identifiers[0], + messageId, + data, + }); + } + } + } + + return { + "Program:exit"(node) { + const globalScope = sourceCode.getScope(node); + const stack = globalScope.childScopes.slice(); + + while (stack.length) { + const scope = stack.pop(); + + stack.push(...scope.childScopes); + checkForShadows(scope); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-spaced-func.js b/module/node_modules/eslint/lib/rules/no-spaced-func.js new file mode 100644 index 000000000..037015b7f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-spaced-func.js @@ -0,0 +1,105 @@ +/** + * @fileoverview Rule to check that spaced function application + * @author Matt DuVall + * @deprecated in ESLint v3.3.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "layout", + + docs: { + description: + "Disallow spacing between function identifiers and their applications (deprecated)", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-spaced-func", + }, + + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2016/08/eslint-v3.3.0-released/#deprecated-rules", + deprecatedSince: "3.3.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "function-call-spacing", + url: "https://eslint.style/rules/function-call-spacing", + }, + }, + ], + }, + + fixable: "whitespace", + schema: [], + + messages: { + noSpacedFunction: + "Unexpected space between function name and paren.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Check if open space is present in a function name + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function detectOpenSpaces(node) { + const lastCalleeToken = sourceCode.getLastToken(node.callee); + let prevToken = lastCalleeToken, + parenToken = sourceCode.getTokenAfter(lastCalleeToken); + + // advances to an open parenthesis. + while ( + parenToken && + parenToken.range[1] < node.range[1] && + parenToken.value !== "(" + ) { + prevToken = parenToken; + parenToken = sourceCode.getTokenAfter(parenToken); + } + + // look for a space between the callee and the open paren + if ( + parenToken && + parenToken.range[1] < node.range[1] && + sourceCode.isSpaceBetweenTokens(prevToken, parenToken) + ) { + context.report({ + node, + loc: lastCalleeToken.loc.start, + messageId: "noSpacedFunction", + fix(fixer) { + return fixer.removeRange([ + prevToken.range[1], + parenToken.range[0], + ]); + }, + }); + } + } + + return { + CallExpression: detectOpenSpaces, + NewExpression: detectOpenSpaces, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-sparse-arrays.js b/module/node_modules/eslint/lib/rules/no-sparse-arrays.js new file mode 100644 index 000000000..f805ecef3 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-sparse-arrays.js @@ -0,0 +1,68 @@ +/** + * @fileoverview Disallow sparse arrays + * @author Nicholas C. Zakas + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow sparse arrays", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-sparse-arrays", + }, + + schema: [], + + messages: { + unexpectedSparseArray: "Unexpected comma in middle of array.", + }, + }, + + create(context) { + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + ArrayExpression(node) { + if (!node.elements.includes(null)) { + return; + } + + const { sourceCode } = context; + let commaToken; + + for (const [index, element] of node.elements.entries()) { + if (index === node.elements.length - 1 && element) { + return; + } + + commaToken = sourceCode.getTokenAfter( + element ?? commaToken ?? sourceCode.getFirstToken(node), + astUtils.isCommaToken, + ); + + if (element) { + continue; + } + + context.report({ + node, + loc: commaToken.loc, + messageId: "unexpectedSparseArray", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-sync.js b/module/node_modules/eslint/lib/rules/no-sync.js new file mode 100644 index 000000000..50b5860ee --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-sync.js @@ -0,0 +1,81 @@ +/** + * @fileoverview Rule to check for properties whose identifier ends with the string Sync + * @author Matt DuVall + * @deprecated in ESLint v7.0.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Node.js rules were moved out of ESLint core.", + url: "https://eslint.org/docs/latest/use/migrating-to-7.0.0#deprecate-node-rules", + deprecatedSince: "7.0.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "eslint-plugin-n now maintains deprecated Node.js-related rules.", + plugin: { + name: "eslint-plugin-n", + url: "https://github.com/eslint-community/eslint-plugin-n", + }, + rule: { + name: "no-sync", + url: "https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-sync.md", + }, + }, + ], + }, + + type: "suggestion", + + docs: { + description: "Disallow synchronous methods", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-sync", + }, + + schema: [ + { + type: "object", + properties: { + allowAtRootLevel: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + noSync: "Unexpected sync method: '{{propertyName}}'.", + }, + }, + + create(context) { + const selector = + context.options[0] && context.options[0].allowAtRootLevel + ? ":function MemberExpression[property.name=/.*Sync$/]" + : "MemberExpression[property.name=/.*Sync$/]"; + + return { + [selector](node) { + context.report({ + node, + messageId: "noSync", + data: { + propertyName: node.property.name, + }, + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-tabs.js b/module/node_modules/eslint/lib/rules/no-tabs.js new file mode 100644 index 000000000..f35f4da0d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-tabs.js @@ -0,0 +1,110 @@ +/** + * @fileoverview Rule to check for tabs inside a file + * @author Gyandeep Singh + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const tabRegex = /\t+/gu; +const anyNonWhitespaceRegex = /\S/u; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "no-tabs", + url: "https://eslint.style/rules/no-tabs", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Disallow all tabs", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-tabs", + }, + schema: [ + { + type: "object", + properties: { + allowIndentationTabs: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedTab: "Unexpected tab character.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const allowIndentationTabs = + context.options && + context.options[0] && + context.options[0].allowIndentationTabs; + + return { + Program(node) { + sourceCode.getLines().forEach((line, index) => { + let match; + + while ((match = tabRegex.exec(line)) !== null) { + if ( + allowIndentationTabs && + !anyNonWhitespaceRegex.test( + line.slice(0, match.index), + ) + ) { + continue; + } + + context.report({ + node, + loc: { + start: { + line: index + 1, + column: match.index, + }, + end: { + line: index + 1, + column: match.index + match[0].length, + }, + }, + messageId: "unexpectedTab", + }); + } + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-template-curly-in-string.js b/module/node_modules/eslint/lib/rules/no-template-curly-in-string.js new file mode 100644 index 000000000..901e1aead --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-template-curly-in-string.js @@ -0,0 +1,45 @@ +/** + * @fileoverview Warn when using template string syntax in regular strings + * @author Jeroen Engels + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow template literal placeholder syntax in regular strings", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-template-curly-in-string", + }, + + schema: [], + + messages: { + unexpectedTemplateExpression: + "Unexpected template string expression.", + }, + }, + + create(context) { + const regex = /\$\{[^}]+\}/u; + + return { + Literal(node) { + if (typeof node.value === "string" && regex.test(node.value)) { + context.report({ + node, + messageId: "unexpectedTemplateExpression", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-ternary.js b/module/node_modules/eslint/lib/rules/no-ternary.js new file mode 100644 index 000000000..f58136d5e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-ternary.js @@ -0,0 +1,38 @@ +/** + * @fileoverview Rule to flag use of ternary operators. + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow ternary operators", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-ternary", + }, + + schema: [], + + messages: { + noTernaryOperator: "Ternary operator used.", + }, + }, + + create(context) { + return { + ConditionalExpression(node) { + context.report({ node, messageId: "noTernaryOperator" }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-this-before-super.js b/module/node_modules/eslint/lib/rules/no-this-before-super.js new file mode 100644 index 000000000..16d049c48 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-this-before-super.js @@ -0,0 +1,365 @@ +/** + * @fileoverview A rule to disallow using `this`/`super` before `super()`. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not a given node is a constructor. + * @param {ASTNode} node A node to check. This node type is one of + * `Program`, `FunctionDeclaration`, `FunctionExpression`, and + * `ArrowFunctionExpression`. + * @returns {boolean} `true` if the node is a constructor. + */ +function isConstructorFunction(node) { + return ( + node.type === "FunctionExpression" && + node.parent.type === "MethodDefinition" && + node.parent.kind === "constructor" + ); +} + +/* + * Information for each code path segment. + * - superCalled: The flag which shows `super()` called in all code paths. + * - invalidNodes: The array of invalid ThisExpression and Super nodes. + */ +/** + * + */ +class SegmentInfo { + /** + * Indicates whether `super()` is called in all code paths. + * @type {boolean} + */ + superCalled = false; + + /** + * The array of invalid ThisExpression and Super nodes. + * @type {ASTNode[]} + */ + invalidNodes = []; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow `this`/`super` before calling `super()` in constructors", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-this-before-super", + }, + + schema: [], + + messages: { + noBeforeSuper: "'{{kind}}' is not allowed before 'super()'.", + }, + }, + + create(context) { + /* + * Information for each constructor. + * - upper: Information of the upper constructor. + * - hasExtends: A flag which shows whether the owner class has a valid + * `extends` part. + * - scope: The scope of the owner class. + * - codePath: The code path of this constructor. + */ + let funcInfo = null; + + /** @type {Record} */ + let segInfoMap = Object.create(null); + + /** + * Gets whether or not `super()` is called in a given code path segment. + * @param {CodePathSegment} segment A code path segment to get. + * @returns {boolean} `true` if `super()` is called. + */ + function isCalled(segment) { + return !segment.reachable || segInfoMap[segment.id]?.superCalled; + } + + /** + * Checks whether or not this is in a constructor. + * @returns {boolean} `true` if this is in a constructor. + */ + function isInConstructorOfDerivedClass() { + return Boolean( + funcInfo && funcInfo.isConstructor && funcInfo.hasExtends, + ); + } + + /** + * Determines if every segment in a set has been called. + * @param {Set} segments The segments to search. + * @returns {boolean} True if every segment has been called; false otherwise. + */ + function isEverySegmentCalled(segments) { + for (const segment of segments) { + if (!isCalled(segment)) { + return false; + } + } + + return true; + } + + /** + * Checks whether or not this is before `super()` is called. + * @returns {boolean} `true` if this is before `super()` is called. + */ + function isBeforeCallOfSuper() { + return ( + isInConstructorOfDerivedClass() && + !isEverySegmentCalled(funcInfo.currentSegments) + ); + } + + /** + * Sets a given node as invalid. + * @param {ASTNode} node A node to set as invalid. This is one of + * a ThisExpression and a Super. + * @returns {void} + */ + function setInvalid(node) { + const segments = funcInfo.currentSegments; + + for (const segment of segments) { + if (segment.reachable) { + segInfoMap[segment.id].invalidNodes.push(node); + } + } + } + + /** + * Sets the current segment as `super` was called. + * @returns {void} + */ + function setSuperCalled() { + const segments = funcInfo.currentSegments; + + for (const segment of segments) { + if (segment.reachable) { + segInfoMap[segment.id].superCalled = true; + } + } + } + + return { + /** + * Adds information of a constructor into the stack. + * @param {CodePath} codePath A code path which was started. + * @param {ASTNode} node The current node. + * @returns {void} + */ + onCodePathStart(codePath, node) { + if (isConstructorFunction(node)) { + // Class > ClassBody > MethodDefinition > FunctionExpression + const classNode = node.parent.parent.parent; + + funcInfo = { + upper: funcInfo, + isConstructor: true, + hasExtends: Boolean( + classNode.superClass && + !astUtils.isNullOrUndefined( + classNode.superClass, + ), + ), + codePath, + currentSegments: new Set(), + }; + } else { + funcInfo = { + upper: funcInfo, + isConstructor: false, + hasExtends: false, + codePath, + currentSegments: new Set(), + }; + } + }, + + /** + * Removes the top of stack item. + * + * And this traverses all segments of this code path then reports every + * invalid node. + * @param {CodePath} codePath A code path which was ended. + * @returns {void} + */ + onCodePathEnd(codePath) { + const isDerivedClass = funcInfo.hasExtends; + + funcInfo = funcInfo.upper; + if (!isDerivedClass) { + return; + } + + /** + * A collection of nodes to avoid duplicate reports. + * @type {Set} + */ + const reported = new Set(); + + codePath.traverseSegments((segment, controller) => { + const info = segInfoMap[segment.id]; + const invalidNodes = info.invalidNodes.filter( + /* + * Avoid duplicate reports. + * When there is a `finally`, invalidNodes may contain already reported node. + */ + node => !reported.has(node), + ); + + for (const invalidNode of invalidNodes) { + reported.add(invalidNode); + + context.report({ + messageId: "noBeforeSuper", + node: invalidNode, + data: { + kind: + invalidNode.type === "Super" + ? "super" + : "this", + }, + }); + } + + if (info.superCalled) { + controller.skip(); + } + }); + }, + + /** + * Initialize information of a given code path segment. + * @param {CodePathSegment} segment A code path segment to initialize. + * @returns {void} + */ + onCodePathSegmentStart(segment) { + funcInfo.currentSegments.add(segment); + + if (!isInConstructorOfDerivedClass()) { + return; + } + + // Initialize info. + segInfoMap[segment.id] = { + superCalled: + segment.prevSegments.length > 0 && + segment.prevSegments.every(isCalled), + invalidNodes: [], + }; + }, + + onUnreachableCodePathSegmentStart(segment) { + funcInfo.currentSegments.add(segment); + }, + + onUnreachableCodePathSegmentEnd(segment) { + funcInfo.currentSegments.delete(segment); + }, + + onCodePathSegmentEnd(segment) { + funcInfo.currentSegments.delete(segment); + }, + + /** + * Update information of the code path segment when a code path was + * looped. + * @param {CodePathSegment} fromSegment The code path segment of the + * end of a loop. + * @param {CodePathSegment} toSegment A code path segment of the head + * of a loop. + * @returns {void} + */ + onCodePathSegmentLoop(fromSegment, toSegment) { + if (!isInConstructorOfDerivedClass()) { + return; + } + + // Update information inside of the loop. + funcInfo.codePath.traverseSegments( + { first: toSegment, last: fromSegment }, + (segment, controller) => { + const info = + segInfoMap[segment.id] ?? new SegmentInfo(); + + if (info.superCalled) { + controller.skip(); + } else if ( + segment.prevSegments.length > 0 && + segment.prevSegments.every(isCalled) + ) { + info.superCalled = true; + } + + segInfoMap[segment.id] = info; + }, + ); + }, + + /** + * Reports if this is before `super()`. + * @param {ASTNode} node A target node. + * @returns {void} + */ + ThisExpression(node) { + if (isBeforeCallOfSuper()) { + setInvalid(node); + } + }, + + /** + * Reports if this is before `super()`. + * @param {ASTNode} node A target node. + * @returns {void} + */ + Super(node) { + if (!astUtils.isCallee(node) && isBeforeCallOfSuper()) { + setInvalid(node); + } + }, + + /** + * Marks `super()` called. + * @param {ASTNode} node A target node. + * @returns {void} + */ + "CallExpression:exit"(node) { + if (node.callee.type === "Super" && isBeforeCallOfSuper()) { + setSuperCalled(); + } + }, + + /** + * Resets state. + * @returns {void} + */ + "Program:exit"() { + segInfoMap = Object.create(null); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-throw-literal.js b/module/node_modules/eslint/lib/rules/no-throw-literal.js new file mode 100644 index 000000000..877224be1 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-throw-literal.js @@ -0,0 +1,46 @@ +/** + * @fileoverview Rule to restrict what can be thrown as an exception. + * @author Dieter Oberkofler + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow throwing literals as exceptions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-throw-literal", + }, + + schema: [], + + messages: { + object: "Expected an error object to be thrown.", + undef: "Do not throw undefined.", + }, + }, + + create(context) { + return { + ThrowStatement(node) { + if (!astUtils.couldBeError(node.argument)) { + context.report({ node, messageId: "object" }); + } else if (node.argument.type === "Identifier") { + if (node.argument.name === "undefined") { + context.report({ node, messageId: "undef" }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-trailing-spaces.js b/module/node_modules/eslint/lib/rules/no-trailing-spaces.js new file mode 100644 index 000000000..14c66db4a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-trailing-spaces.js @@ -0,0 +1,227 @@ +/** + * @fileoverview Disallow trailing spaces at the end of lines. + * @author Nodeca Team + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** + * @import { SourceLocation, SourceRange } from "@eslint/core"; + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "no-trailing-spaces", + url: "https://eslint.style/rules/no-trailing-spaces", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Disallow trailing whitespace at the end of lines", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-trailing-spaces", + }, + + fixable: "whitespace", + + schema: [ + { + type: "object", + properties: { + skipBlankLines: { + type: "boolean", + default: false, + }, + ignoreComments: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + trailingSpace: "Trailing spaces not allowed.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + const BLANK_CLASS = + "[ \t\u00a0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u3000]", + SKIP_BLANK = `^${BLANK_CLASS}*$`, + NONBLANK = `${BLANK_CLASS}+$`; + + const options = context.options[0] || {}, + skipBlankLines = options.skipBlankLines || false, + ignoreComments = options.ignoreComments || false; + + /** + * Report the error message + * @param {ASTNode} node node to report + * @param {SourceLocation} location range information + * @param {SourceRange} fixRange Range based on the whole program + * @returns {void} + */ + function report(node, location, fixRange) { + /* + * Passing node is a bit dirty, because message data will contain big + * text in `source`. But... who cares :) ? + * One more kludge will not make worse the bloody wizardry of this + * plugin. + */ + context.report({ + node, + loc: location, + messageId: "trailingSpace", + fix(fixer) { + return fixer.removeRange(fixRange); + }, + }); + } + + /** + * Given a list of comment nodes, return the line numbers for those comments. + * @param {Array} comments An array of comment nodes. + * @returns {number[]} An array of line numbers containing comments. + */ + function getCommentLineNumbers(comments) { + const lines = new Set(); + + comments.forEach(comment => { + const endLine = + comment.type === "Block" + ? comment.loc.end.line - 1 + : comment.loc.end.line; + + for (let i = comment.loc.start.line; i <= endLine; i++) { + lines.add(i); + } + }); + + return lines; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program: function checkTrailingSpaces(node) { + /* + * Let's hack. Since Espree does not return whitespace nodes, + * fetch the source code and do matching via regexps. + */ + + const re = new RegExp(NONBLANK, "u"), + skipMatch = new RegExp(SKIP_BLANK, "u"), + lines = sourceCode.lines, + linebreaks = sourceCode + .getText() + .match(astUtils.createGlobalLinebreakMatcher()), + comments = sourceCode.getAllComments(), + commentLineNumbers = getCommentLineNumbers(comments); + + let totalLength = 0; + + for (let i = 0, ii = lines.length; i < ii; i++) { + const lineNumber = i + 1; + + /* + * Always add linebreak length to line length to accommodate for line break (\n or \r\n) + * Because during the fix time they also reserve one spot in the array. + * Usually linebreak length is 2 for \r\n (CRLF) and 1 for \n (LF) + */ + const linebreakLength = + linebreaks && linebreaks[i] ? linebreaks[i].length : 1; + const lineLength = lines[i].length + linebreakLength; + + const matches = re.exec(lines[i]); + + if (matches) { + const location = { + start: { + line: lineNumber, + column: matches.index, + }, + end: { + line: lineNumber, + column: lineLength - linebreakLength, + }, + }; + + const rangeStart = totalLength + location.start.column; + const rangeEnd = totalLength + location.end.column; + const containingNode = + sourceCode.getNodeByRangeIndex(rangeStart); + + if ( + containingNode && + containingNode.type === "TemplateElement" && + rangeStart > containingNode.parent.range[0] && + rangeEnd < containingNode.parent.range[1] + ) { + totalLength += lineLength; + continue; + } + + /* + * If the line has only whitespace, and skipBlankLines + * is true, don't report it + */ + if (skipBlankLines && skipMatch.test(lines[i])) { + totalLength += lineLength; + continue; + } + + const fixRange = [rangeStart, rangeEnd]; + + if ( + !ignoreComments || + !commentLineNumbers.has(lineNumber) + ) { + report(node, location, fixRange); + } + } + + totalLength += lineLength; + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unassigned-vars.js b/module/node_modules/eslint/lib/rules/no-unassigned-vars.js new file mode 100644 index 000000000..3fcd83958 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unassigned-vars.js @@ -0,0 +1,80 @@ +/** + * @fileoverview Rule to flag variables that are never assigned + * @author Jacob Bandes-Storch + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + dialects: ["typescript", "javascript"], + language: "javascript", + + docs: { + description: + "Disallow `let` or `var` variables that are read but never assigned", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-unassigned-vars", + }, + + schema: [], + messages: { + unassigned: + "'{{name}}' is always 'undefined' because it's never assigned.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + let insideDeclareModule = false; + + return { + "TSModuleDeclaration[declare=true]"() { + insideDeclareModule = true; + }, + "TSModuleDeclaration[declare=true]:exit"() { + insideDeclareModule = false; + }, + VariableDeclarator(node) { + /** @type {import('estree').VariableDeclaration} */ + const declaration = node.parent; + const shouldSkip = + node.init || + node.id.type !== "Identifier" || + declaration.kind === "const" || + declaration.declare || + insideDeclareModule; + if (shouldSkip) { + return; + } + const [variable] = sourceCode.getDeclaredVariables(node); + if (!variable) { + return; + } + let hasRead = false; + for (const reference of variable.references) { + if (reference.isWrite()) { + return; + } + if (reference.isRead()) { + hasRead = true; + } + } + if (!hasRead) { + // Variables that are never read should be flagged by no-unused-vars instead + return; + } + context.report({ + node, + messageId: "unassigned", + data: { name: node.id.name }, + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-undef-init.js b/module/node_modules/eslint/lib/rules/no-undef-init.js new file mode 100644 index 000000000..77a120043 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-undef-init.js @@ -0,0 +1,101 @@ +/** + * @fileoverview Rule to flag when initializing to undefined + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const CONSTANT_BINDINGS = new Set(["const", "using", "await using"]); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow initializing variables to `undefined`", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-undef-init", + }, + + schema: [], + fixable: "code", + + messages: { + unnecessaryUndefinedInit: + "It's not necessary to initialize '{{name}}' to undefined.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + VariableDeclarator(node) { + const name = sourceCode.getText(node.id), + init = node.init && node.init.name, + scope = sourceCode.getScope(node), + undefinedVar = astUtils.getVariableByName( + scope, + "undefined", + ), + shadowed = undefinedVar && undefinedVar.defs.length > 0, + lastToken = sourceCode.getLastToken(node); + + if ( + init === "undefined" && + !CONSTANT_BINDINGS.has(node.parent.kind) && + !shadowed + ) { + context.report({ + node, + messageId: "unnecessaryUndefinedInit", + data: { name }, + fix(fixer) { + if (node.parent.kind === "var") { + return null; + } + + if ( + node.id.type === "ArrayPattern" || + node.id.type === "ObjectPattern" + ) { + // Don't fix destructuring assignment to `undefined`. + return null; + } + + if ( + sourceCode.commentsExistBetween( + node.id, + lastToken, + ) + ) { + return null; + } + + return fixer.removeRange([ + node.id.range[1], + node.range[1], + ]); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-undef.js b/module/node_modules/eslint/lib/rules/no-undef.js new file mode 100644 index 000000000..fbda87733 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-undef.js @@ -0,0 +1,84 @@ +/** + * @fileoverview Rule to flag references to undeclared variables. + * @author Mark Macdonald + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks if the given node is the argument of a typeof operator. + * @param {ASTNode} node The AST node being checked. + * @returns {boolean} Whether or not the node is the argument of a typeof operator. + */ +function hasTypeOfOperator(node) { + const parent = node.parent; + + return parent.type === "UnaryExpression" && parent.operator === "typeof"; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + typeof: false, + }, + ], + + docs: { + description: + "Disallow the use of undeclared variables unless mentioned in `/*global */` comments", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-undef", + }, + + schema: [ + { + type: "object", + properties: { + typeof: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + messages: { + undef: "'{{name}}' is not defined.", + }, + }, + + create(context) { + const [{ typeof: considerTypeOf }] = context.options; + const sourceCode = context.sourceCode; + + return { + "Program:exit"(node) { + const globalScope = sourceCode.getScope(node); + + globalScope.through.forEach(ref => { + const identifier = ref.identifier; + + if (!considerTypeOf && hasTypeOfOperator(identifier)) { + return; + } + + context.report({ + node: identifier, + messageId: "undef", + data: identifier, + }); + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-undefined.js b/module/node_modules/eslint/lib/rules/no-undefined.js new file mode 100644 index 000000000..044efeab8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-undefined.js @@ -0,0 +1,85 @@ +/** + * @fileoverview Rule to flag references to the undefined variable. + * @author Michael Ficarra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow the use of `undefined` as an identifier", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-undefined", + }, + + schema: [], + + messages: { + unexpectedUndefined: "Unexpected use of undefined.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Report an invalid "undefined" identifier node. + * @param {ASTNode} node The node to report. + * @returns {void} + */ + function report(node) { + context.report({ + node, + messageId: "unexpectedUndefined", + }); + } + + /** + * Checks the given scope for references to `undefined` and reports + * all references found. + * @param {eslint-scope.Scope} scope The scope to check. + * @returns {void} + */ + function checkScope(scope) { + const undefinedVar = scope.set.get("undefined"); + + if (!undefinedVar) { + return; + } + + const references = undefinedVar.references; + + const defs = undefinedVar.defs; + + // Report non-initializing references (those are covered in defs below) + references + .filter(ref => !ref.init) + .forEach(ref => report(ref.identifier)); + + defs.forEach(def => report(def.name)); + } + + return { + "Program:exit"(node) { + const globalScope = sourceCode.getScope(node); + + const stack = [globalScope]; + + while (stack.length) { + const scope = stack.pop(); + + stack.push(...scope.childScopes); + checkScope(scope); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-underscore-dangle.js b/module/node_modules/eslint/lib/rules/no-underscore-dangle.js new file mode 100644 index 000000000..24b723709 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-underscore-dangle.js @@ -0,0 +1,383 @@ +/** + * @fileoverview Rule to flag dangling underscores in variable declarations. + * @author Matt DuVall + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + allow: [], + allowAfterSuper: false, + allowAfterThis: false, + allowAfterThisConstructor: false, + allowFunctionParams: true, + allowInArrayDestructuring: true, + allowInObjectDestructuring: true, + enforceInClassFields: false, + enforceInMethodNames: false, + }, + ], + + docs: { + description: "Disallow dangling underscores in identifiers", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-underscore-dangle", + }, + + schema: [ + { + type: "object", + properties: { + allow: { + type: "array", + items: { + type: "string", + }, + }, + allowAfterThis: { + type: "boolean", + }, + allowAfterSuper: { + type: "boolean", + }, + allowAfterThisConstructor: { + type: "boolean", + }, + enforceInMethodNames: { + type: "boolean", + }, + allowFunctionParams: { + type: "boolean", + }, + enforceInClassFields: { + type: "boolean", + }, + allowInArrayDestructuring: { + type: "boolean", + }, + allowInObjectDestructuring: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedUnderscore: + "Unexpected dangling '_' in '{{identifier}}'.", + }, + }, + + create(context) { + const [ + { + allow, + allowAfterSuper, + allowAfterThis, + allowAfterThisConstructor, + allowFunctionParams, + allowInArrayDestructuring, + allowInObjectDestructuring, + enforceInClassFields, + enforceInMethodNames, + }, + ] = context.options; + const sourceCode = context.sourceCode; + + //------------------------------------------------------------------------- + // Helpers + //------------------------------------------------------------------------- + + /** + * Check if identifier is present inside the allowed option + * @param {string} identifier name of the node + * @returns {boolean} true if its is present + * @private + */ + function isAllowed(identifier) { + return allow.includes(identifier); + } + + /** + * Check if identifier has a dangling underscore + * @param {string} identifier name of the node + * @returns {boolean} true if its is present + * @private + */ + function hasDanglingUnderscore(identifier) { + const len = identifier.length; + + return ( + identifier !== "_" && + (identifier[0] === "_" || identifier[len - 1] === "_") + ); + } + + /** + * Check if identifier is a special case member expression + * @param {string} identifier name of the node + * @returns {boolean} true if its is a special case + * @private + */ + function isSpecialCaseIdentifierForMemberExpression(identifier) { + return identifier === "__proto__"; + } + + /** + * Check if identifier is a special case variable expression + * @param {string} identifier name of the node + * @returns {boolean} true if its is a special case + * @private + */ + function isSpecialCaseIdentifierInVariableExpression(identifier) { + // Checks for the underscore library usage here + return identifier === "_"; + } + + /** + * Check if a node is a member reference of this.constructor + * @param {ASTNode} node node to evaluate + * @returns {boolean} true if it is a reference on this.constructor + * @private + */ + function isThisConstructorReference(node) { + return ( + node.object.type === "MemberExpression" && + node.object.property.name === "constructor" && + node.object.object.type === "ThisExpression" + ); + } + + /** + * Check if function parameter has a dangling underscore. + * @param {ASTNode} node function node to evaluate + * @returns {void} + * @private + */ + function checkForDanglingUnderscoreInFunctionParameters(node) { + if (!allowFunctionParams) { + node.params.forEach(param => { + const { type } = param; + let nodeToCheck; + + if (type === "RestElement") { + nodeToCheck = param.argument; + } else if (type === "AssignmentPattern") { + nodeToCheck = param.left; + } else { + nodeToCheck = param; + } + + if (nodeToCheck.type === "Identifier") { + const identifier = nodeToCheck.name; + + if ( + hasDanglingUnderscore(identifier) && + !isAllowed(identifier) + ) { + context.report({ + node: param, + messageId: "unexpectedUnderscore", + data: { + identifier, + }, + }); + } + } + }); + } + } + + /** + * Check if function has a dangling underscore + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkForDanglingUnderscoreInFunction(node) { + if (node.type === "FunctionDeclaration" && node.id) { + const identifier = node.id.name; + + if ( + typeof identifier !== "undefined" && + hasDanglingUnderscore(identifier) && + !isAllowed(identifier) + ) { + context.report({ + node, + messageId: "unexpectedUnderscore", + data: { + identifier, + }, + }); + } + } + checkForDanglingUnderscoreInFunctionParameters(node); + } + + /** + * Check if variable expression has a dangling underscore + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkForDanglingUnderscoreInVariableExpression(node) { + sourceCode.getDeclaredVariables(node).forEach(variable => { + const definition = variable.defs.find(def => def.node === node); + const identifierNode = definition.name; + const identifier = identifierNode.name; + let parent = identifierNode.parent; + + while ( + ![ + "VariableDeclarator", + "ArrayPattern", + "ObjectPattern", + ].includes(parent.type) + ) { + parent = parent.parent; + } + + if ( + hasDanglingUnderscore(identifier) && + !isSpecialCaseIdentifierInVariableExpression(identifier) && + !isAllowed(identifier) && + !( + allowInArrayDestructuring && + parent.type === "ArrayPattern" + ) && + !( + allowInObjectDestructuring && + parent.type === "ObjectPattern" + ) + ) { + context.report({ + node, + messageId: "unexpectedUnderscore", + data: { + identifier, + }, + }); + } + }); + } + + /** + * Check if member expression has a dangling underscore + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkForDanglingUnderscoreInMemberExpression(node) { + const identifier = node.property.name, + isMemberOfThis = node.object.type === "ThisExpression", + isMemberOfSuper = node.object.type === "Super", + isMemberOfThisConstructor = isThisConstructorReference(node); + + if ( + typeof identifier !== "undefined" && + hasDanglingUnderscore(identifier) && + !(isMemberOfThis && allowAfterThis) && + !(isMemberOfSuper && allowAfterSuper) && + !(isMemberOfThisConstructor && allowAfterThisConstructor) && + !isSpecialCaseIdentifierForMemberExpression(identifier) && + !isAllowed(identifier) + ) { + context.report({ + node, + messageId: "unexpectedUnderscore", + data: { + identifier, + }, + }); + } + } + + /** + * Check if method declaration or method property has a dangling underscore + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkForDanglingUnderscoreInMethod(node) { + const identifier = node.key.name; + const isMethod = + node.type === "MethodDefinition" || + (node.type === "Property" && node.method); + + if ( + typeof identifier !== "undefined" && + enforceInMethodNames && + isMethod && + hasDanglingUnderscore(identifier) && + !isAllowed(identifier) + ) { + context.report({ + node, + messageId: "unexpectedUnderscore", + data: { + identifier: + node.key.type === "PrivateIdentifier" + ? `#${identifier}` + : identifier, + }, + }); + } + } + + /** + * Check if a class field has a dangling underscore + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkForDanglingUnderscoreInClassField(node) { + const identifier = node.key.name; + + if ( + typeof identifier !== "undefined" && + hasDanglingUnderscore(identifier) && + enforceInClassFields && + !isAllowed(identifier) + ) { + context.report({ + node, + messageId: "unexpectedUnderscore", + data: { + identifier: + node.key.type === "PrivateIdentifier" + ? `#${identifier}` + : identifier, + }, + }); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + FunctionDeclaration: checkForDanglingUnderscoreInFunction, + VariableDeclarator: checkForDanglingUnderscoreInVariableExpression, + MemberExpression: checkForDanglingUnderscoreInMemberExpression, + MethodDefinition: checkForDanglingUnderscoreInMethod, + PropertyDefinition: checkForDanglingUnderscoreInClassField, + Property: checkForDanglingUnderscoreInMethod, + FunctionExpression: checkForDanglingUnderscoreInFunction, + ArrowFunctionExpression: checkForDanglingUnderscoreInFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unexpected-multiline.js b/module/node_modules/eslint/lib/rules/no-unexpected-multiline.js new file mode 100644 index 000000000..0e91cdca8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unexpected-multiline.js @@ -0,0 +1,130 @@ +/** + * @fileoverview Rule to spot scenarios where a newline looks like it is ending a statement, but is not. + * @author Glen Mailer + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow confusing multiline expressions", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-unexpected-multiline", + }, + + schema: [], + messages: { + function: + "Unexpected newline between function and ( of function call.", + property: + "Unexpected newline between object and [ of property access.", + taggedTemplate: + "Unexpected newline between template tag and template literal.", + division: + "Unexpected newline between numerator and division operator.", + }, + }, + + create(context) { + const REGEX_FLAG_MATCHER = /^[gimsuy]+$/u; + + const sourceCode = context.sourceCode; + + /** + * Check to see if there is a newline between the node and the following open bracket + * line's expression + * @param {ASTNode} node The node to check. + * @param {string} messageId The error messageId to use. + * @returns {void} + * @private + */ + function checkForBreakAfter(node, messageId) { + const openParen = sourceCode.getTokenAfter( + node, + astUtils.isNotClosingParenToken, + ); + const nodeExpressionEnd = sourceCode.getTokenBefore(openParen); + + if (openParen.loc.start.line !== nodeExpressionEnd.loc.end.line) { + context.report({ + node, + loc: openParen.loc, + messageId, + }); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + MemberExpression(node) { + if (!node.computed || node.optional) { + return; + } + checkForBreakAfter(node.object, "property"); + }, + + TaggedTemplateExpression(node) { + const { quasi } = node; + + // handles common tags, parenthesized tags, and typescript's generic type arguments + const tokenBefore = sourceCode.getTokenBefore(quasi); + + if (tokenBefore.loc.end.line !== quasi.loc.start.line) { + context.report({ + node, + loc: { + start: quasi.loc.start, + end: { + line: quasi.loc.start.line, + column: quasi.loc.start.column + 1, + }, + }, + messageId: "taggedTemplate", + }); + } + }, + + CallExpression(node) { + if (node.arguments.length === 0 || node.optional) { + return; + } + checkForBreakAfter(node.callee, "function"); + }, + + "BinaryExpression[operator='/'] > BinaryExpression[operator='/'].left"( + node, + ) { + const secondSlash = sourceCode.getTokenAfter( + node, + token => token.value === "/", + ); + const tokenAfterOperator = + sourceCode.getTokenAfter(secondSlash); + + if ( + tokenAfterOperator.type === "Identifier" && + REGEX_FLAG_MATCHER.test(tokenAfterOperator.value) && + secondSlash.range[1] === tokenAfterOperator.range[0] + ) { + checkForBreakAfter(node.left, "division"); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unmodified-loop-condition.js b/module/node_modules/eslint/lib/rules/no-unmodified-loop-condition.js new file mode 100644 index 000000000..179648922 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unmodified-loop-condition.js @@ -0,0 +1,360 @@ +/** + * @fileoverview Rule to disallow use of unmodified expressions in loop conditions + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const Traverser = require("../shared/traverser"), + astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const SENTINEL_PATTERN = + /(?:(?:Call|Class|Function|Member|New|Yield)Expression|Statement|Declaration)$/u; +const LOOP_PATTERN = /^(?:DoWhile|For|While)Statement$/u; // for-in/of statements don't have `test` property. +const GROUP_PATTERN = /^(?:BinaryExpression|ConditionalExpression)$/u; +const SKIP_PATTERN = /^(?:ArrowFunction|Class|Function)Expression$/u; +const DYNAMIC_PATTERN = /^(?:Call|Member|New|TaggedTemplate|Yield)Expression$/u; + +/** + * @typedef {Object} LoopConditionInfo + * @property {eslint-scope.Reference} reference - The reference. + * @property {ASTNode} group - BinaryExpression or ConditionalExpression nodes + * that the reference is belonging to. + * @property {Function} isInLoop - The predicate which checks a given reference + * is in this loop. + * @property {boolean} modified - The flag that the reference is modified in + * this loop. + */ + +/** + * Checks whether or not a given reference is a write reference. + * @param {eslint-scope.Reference} reference A reference to check. + * @returns {boolean} `true` if the reference is a write reference. + */ +function isWriteReference(reference) { + if (reference.init) { + const def = reference.resolved && reference.resolved.defs[0]; + + if (!def || def.type !== "Variable" || def.parent.kind !== "var") { + return false; + } + } + return reference.isWrite(); +} + +/** + * Checks whether or not a given loop condition info does not have the modified + * flag. + * @param {LoopConditionInfo} condition A loop condition info to check. + * @returns {boolean} `true` if the loop condition info is "unmodified". + */ +function isUnmodified(condition) { + return !condition.modified; +} + +/** + * Checks whether or not a given loop condition info does not have the modified + * flag and does not have the group this condition belongs to. + * @param {LoopConditionInfo} condition A loop condition info to check. + * @returns {boolean} `true` if the loop condition info is "unmodified". + */ +function isUnmodifiedAndNotBelongToGroup(condition) { + return !(condition.modified || condition.group); +} + +/** + * Checks whether or not a given reference is inside of a given node. + * @param {ASTNode} node A node to check. + * @param {eslint-scope.Reference} reference A reference to check. + * @returns {boolean} `true` if the reference is inside of the node. + */ +function isInRange(node, reference) { + const or = node.range; + const ir = reference.identifier.range; + + return or[0] <= ir[0] && ir[1] <= or[1]; +} + +/** + * Checks whether or not a given reference is inside of a loop node's condition. + * @param {ASTNode} node A node to check. + * @param {eslint-scope.Reference} reference A reference to check. + * @returns {boolean} `true` if the reference is inside of the loop node's + * condition. + */ +const isInLoop = { + WhileStatement: isInRange, + DoWhileStatement: isInRange, + ForStatement(node, reference) { + return ( + isInRange(node, reference) && + !(node.init && isInRange(node.init, reference)) + ); + }, +}; + +/** + * Gets the function which encloses a given reference. + * This supports only FunctionDeclaration. + * @param {eslint-scope.Reference} reference A reference to get. + * @returns {ASTNode|null} The function node or null. + */ +function getEncloseFunctionDeclaration(reference) { + let node = reference.identifier; + + while (node) { + if (node.type === "FunctionDeclaration") { + return node.id ? node : null; + } + + node = node.parent; + } + + return null; +} + +/** + * Updates the "modified" flags of given loop conditions with given modifiers. + * @param {LoopConditionInfo[]} conditions The loop conditions to be updated. + * @param {eslint-scope.Reference[]} modifiers The references to update. + * @returns {void} + */ +function updateModifiedFlag(conditions, modifiers) { + for (let i = 0; i < conditions.length; ++i) { + const condition = conditions[i]; + + for (let j = 0; !condition.modified && j < modifiers.length; ++j) { + const modifier = modifiers[j]; + let funcNode, funcVar; + + /* + * Besides checking for the condition being in the loop, we want to + * check the function that this modifier is belonging to is called + * in the loop. + * FIXME: This should probably be extracted to a function. + */ + const inLoop = + condition.isInLoop(modifier) || + Boolean( + (funcNode = getEncloseFunctionDeclaration(modifier)) && + (funcVar = astUtils.getVariableByName( + modifier.from.upper, + funcNode.id.name, + )) && + funcVar.references.some(condition.isInLoop), + ); + + condition.modified = inLoop; + } + } +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow unmodified loop conditions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-unmodified-loop-condition", + }, + + schema: [], + + messages: { + loopConditionNotModified: + "'{{name}}' is not modified in this loop.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + let groupMap = null; + + /** + * Reports a given condition info. + * @param {LoopConditionInfo} condition A loop condition info to report. + * @returns {void} + */ + function report(condition) { + const node = condition.reference.identifier; + + context.report({ + node, + messageId: "loopConditionNotModified", + data: node, + }); + } + + /** + * Registers given conditions to the group the condition belongs to. + * @param {LoopConditionInfo[]} conditions A loop condition info to + * register. + * @returns {void} + */ + function registerConditionsToGroup(conditions) { + for (let i = 0; i < conditions.length; ++i) { + const condition = conditions[i]; + + if (condition.group) { + let group = groupMap.get(condition.group); + + if (!group) { + group = []; + groupMap.set(condition.group, group); + } + group.push(condition); + } + } + } + + /** + * Reports references which are inside of unmodified groups. + * @param {LoopConditionInfo[]} conditions A loop condition info to report. + * @returns {void} + */ + function checkConditionsInGroup(conditions) { + if (conditions.every(isUnmodified)) { + conditions.forEach(report); + } + } + + /** + * Checks whether or not a given group node has any dynamic elements. + * @param {ASTNode} root A node to check. + * This node is one of BinaryExpression or ConditionalExpression. + * @returns {boolean} `true` if the node is dynamic. + */ + function hasDynamicExpressions(root) { + let retv = false; + + Traverser.traverse(root, { + visitorKeys: sourceCode.visitorKeys, + enter(node) { + if (DYNAMIC_PATTERN.test(node.type)) { + retv = true; + this.break(); + } else if (SKIP_PATTERN.test(node.type)) { + this.skip(); + } + }, + }); + + return retv; + } + + /** + * Creates the loop condition information from a given reference. + * @param {eslint-scope.Reference} reference A reference to create. + * @returns {LoopConditionInfo|null} Created loop condition info, or null. + */ + function toLoopCondition(reference) { + if (reference.init) { + return null; + } + + let group = null; + let child = reference.identifier; + let node = child.parent; + + while (node) { + if (SENTINEL_PATTERN.test(node.type)) { + if (LOOP_PATTERN.test(node.type) && node.test === child) { + // This reference is inside of a loop condition. + return { + reference, + group, + isInLoop: isInLoop[node.type].bind(null, node), + modified: false, + }; + } + + // This reference is outside of a loop condition. + break; + } + + /* + * If it's inside of a group, OK if either operand is modified. + * So stores the group this reference belongs to. + */ + if (GROUP_PATTERN.test(node.type)) { + // If this expression is dynamic, no need to check. + if (hasDynamicExpressions(node)) { + break; + } else { + group = node; + } + } + + child = node; + node = node.parent; + } + + return null; + } + + /** + * Finds unmodified references which are inside of a loop condition. + * Then reports the references which are outside of groups. + * @param {eslint-scope.Variable} variable A variable to report. + * @returns {void} + */ + function checkReferences(variable) { + // Gets references that exist in loop conditions. + const conditions = variable.references + .map(toLoopCondition) + .filter(Boolean); + + if (conditions.length === 0) { + return; + } + + // Registers the conditions to belonging groups. + registerConditionsToGroup(conditions); + + // Check the conditions are modified. + const modifiers = variable.references.filter(isWriteReference); + + if (modifiers.length > 0) { + updateModifiedFlag(conditions, modifiers); + } + + /* + * Reports the conditions which are not belonging to groups. + * Others will be reported after all variables are done. + */ + conditions.filter(isUnmodifiedAndNotBelongToGroup).forEach(report); + } + + return { + "Program:exit"(node) { + const queue = [sourceCode.getScope(node)]; + + groupMap = new Map(); + + let scope; + + while ((scope = queue.pop())) { + queue.push(...scope.childScopes); + scope.variables.forEach(checkReferences); + } + + groupMap.forEach(checkConditionsInGroup); + groupMap = null; + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unneeded-ternary.js b/module/node_modules/eslint/lib/rules/no-unneeded-ternary.js new file mode 100644 index 000000000..24e65b67e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unneeded-ternary.js @@ -0,0 +1,232 @@ +/** + * @fileoverview Rule to flag no-unneeded-ternary + * @author Gyandeep Singh + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +// Operators that always result in a boolean value +const BOOLEAN_OPERATORS = new Set([ + "==", + "===", + "!=", + "!==", + ">", + ">=", + "<", + "<=", + "in", + "instanceof", +]); +const OPERATOR_INVERSES = { + "==": "!=", + "!=": "==", + "===": "!==", + "!==": "===", + + // Operators like < and >= are not true inverses, since both will return false with NaN. +}; +const OR_PRECEDENCE = astUtils.getPrecedence({ + type: "LogicalExpression", + operator: "||", +}); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [{ defaultAssignment: true }], + + docs: { + description: + "Disallow ternary operators when simpler alternatives exist", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-unneeded-ternary", + }, + + schema: [ + { + type: "object", + properties: { + defaultAssignment: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + fixable: "code", + + messages: { + unnecessaryConditionalExpression: + "Unnecessary use of boolean literals in conditional expression.", + unnecessaryConditionalAssignment: + "Unnecessary use of conditional expression for default assignment.", + }, + }, + + create(context) { + const [{ defaultAssignment }] = context.options; + const sourceCode = context.sourceCode; + + /** + * Test if the node is a boolean literal + * @param {ASTNode} node The node to report. + * @returns {boolean} True if the its a boolean literal + * @private + */ + function isBooleanLiteral(node) { + return node.type === "Literal" && typeof node.value === "boolean"; + } + + /** + * Creates an expression that represents the boolean inverse of the expression represented by the original node + * @param {ASTNode} node A node representing an expression + * @returns {string} A string representing an inverted expression + */ + function invertExpression(node) { + if ( + node.type === "BinaryExpression" && + Object.hasOwn(OPERATOR_INVERSES, node.operator) + ) { + const operatorToken = sourceCode.getFirstTokenBetween( + node.left, + node.right, + token => token.value === node.operator, + ); + const text = sourceCode.getText(); + + return ( + text.slice(node.range[0], operatorToken.range[0]) + + OPERATOR_INVERSES[node.operator] + + text.slice(operatorToken.range[1], node.range[1]) + ); + } + + if ( + astUtils.getPrecedence(node) < + astUtils.getPrecedence({ type: "UnaryExpression" }) + ) { + return `!(${astUtils.getParenthesisedText(sourceCode, node)})`; + } + return `!${astUtils.getParenthesisedText(sourceCode, node)}`; + } + + /** + * Tests if a given node always evaluates to a boolean value + * @param {ASTNode} node An expression node + * @returns {boolean} True if it is determined that the node will always evaluate to a boolean value + */ + function isBooleanExpression(node) { + return ( + (node.type === "BinaryExpression" && + BOOLEAN_OPERATORS.has(node.operator)) || + (node.type === "UnaryExpression" && node.operator === "!") + ); + } + + /** + * Test if the node matches the pattern id ? id : expression + * @param {ASTNode} node The ConditionalExpression to check. + * @returns {boolean} True if the pattern is matched, and false otherwise + * @private + */ + function matchesDefaultAssignment(node) { + return ( + node.test.type === "Identifier" && + node.consequent.type === "Identifier" && + node.test.name === node.consequent.name + ); + } + + return { + ConditionalExpression(node) { + if ( + isBooleanLiteral(node.alternate) && + isBooleanLiteral(node.consequent) + ) { + context.report({ + node, + messageId: "unnecessaryConditionalExpression", + fix(fixer) { + if ( + node.consequent.value === node.alternate.value + ) { + // Replace `foo ? true : true` with just `true`, but don't replace `foo() ? true : true` + return node.test.type === "Identifier" + ? fixer.replaceText( + node, + node.consequent.value.toString(), + ) + : null; + } + if (node.alternate.value) { + // Replace `foo() ? false : true` with `!(foo())` + return fixer.replaceText( + node, + invertExpression(node.test), + ); + } + + // Replace `foo ? true : false` with `foo` if `foo` is guaranteed to be a boolean, or `!!foo` otherwise. + + return fixer.replaceText( + node, + isBooleanExpression(node.test) + ? astUtils.getParenthesisedText( + sourceCode, + node.test, + ) + : `!${invertExpression(node.test)}`, + ); + }, + }); + } else if ( + !defaultAssignment && + matchesDefaultAssignment(node) + ) { + context.report({ + node, + messageId: "unnecessaryConditionalAssignment", + fix(fixer) { + const shouldParenthesizeAlternate = + (astUtils.getPrecedence(node.alternate) < + OR_PRECEDENCE || + astUtils.isCoalesceExpression( + node.alternate, + )) && + !astUtils.isParenthesised( + sourceCode, + node.alternate, + ); + const alternateText = shouldParenthesizeAlternate + ? `(${sourceCode.getText(node.alternate)})` + : astUtils.getParenthesisedText( + sourceCode, + node.alternate, + ); + const testText = astUtils.getParenthesisedText( + sourceCode, + node.test, + ); + + return fixer.replaceText( + node, + `${testText} || ${alternateText}`, + ); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unreachable-loop.js b/module/node_modules/eslint/lib/rules/no-unreachable-loop.js new file mode 100644 index 000000000..63e3c977d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unreachable-loop.js @@ -0,0 +1,190 @@ +/** + * @fileoverview Rule to disallow loops with a body that allows only one iteration + * @author Milos Djermanovic + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const allLoopTypes = [ + "WhileStatement", + "DoWhileStatement", + "ForStatement", + "ForInStatement", + "ForOfStatement", +]; + +/** + * Checks all segments in a set and returns true if any are reachable. + * @param {Set} segments The segments to check. + * @returns {boolean} True if any segment is reachable; false otherwise. + */ +function isAnySegmentReachable(segments) { + for (const segment of segments) { + if (segment.reachable) { + return true; + } + } + + return false; +} + +/** + * Determines whether the given node is the first node in the code path to which a loop statement + * 'loops' for the next iteration. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is a looping target. + */ +function isLoopingTarget(node) { + const parent = node.parent; + + if (parent) { + switch (parent.type) { + case "WhileStatement": + return node === parent.test; + case "DoWhileStatement": + return node === parent.body; + case "ForStatement": + return node === (parent.update || parent.test || parent.body); + case "ForInStatement": + case "ForOfStatement": + return node === parent.left; + + // no default + } + } + + return false; +} + +/** + * Creates an array with elements from the first given array that are not included in the second given array. + * @param {Array} arrA The array to compare from. + * @param {Array} arrB The array to compare against. + * @returns {Array} a new array that represents `arrA \ arrB`. + */ +function getDifference(arrA, arrB) { + return arrA.filter(a => !arrB.includes(a)); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [{ ignore: [] }], + + docs: { + description: + "Disallow loops with a body that allows only one iteration", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-unreachable-loop", + }, + + schema: [ + { + type: "object", + properties: { + ignore: { + type: "array", + items: { + enum: allLoopTypes, + }, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + invalid: "Invalid loop. Its body allows only one iteration.", + }, + }, + + create(context) { + const [{ ignore: ignoredLoopTypes }] = context.options; + const loopTypesToCheck = getDifference(allLoopTypes, ignoredLoopTypes), + loopSelector = loopTypesToCheck.join(","), + loopsByTargetSegments = new Map(), + loopsToReport = new Set(); + + const codePathSegments = []; + let currentCodePathSegments = new Set(); + + return { + onCodePathStart() { + codePathSegments.push(currentCodePathSegments); + currentCodePathSegments = new Set(); + }, + + onCodePathEnd() { + currentCodePathSegments = codePathSegments.pop(); + }, + + onUnreachableCodePathSegmentStart(segment) { + currentCodePathSegments.add(segment); + }, + + onUnreachableCodePathSegmentEnd(segment) { + currentCodePathSegments.delete(segment); + }, + + onCodePathSegmentEnd(segment) { + currentCodePathSegments.delete(segment); + }, + + onCodePathSegmentStart(segment, node) { + currentCodePathSegments.add(segment); + + if (isLoopingTarget(node)) { + const loop = node.parent; + + loopsByTargetSegments.set(segment, loop); + } + }, + + onCodePathSegmentLoop(_, toSegment, node) { + const loop = loopsByTargetSegments.get(toSegment); + + /** + * The second iteration is reachable, meaning that the loop is valid by the logic of this rule, + * only if there is at least one loop event with the appropriate target (which has been already + * determined in the `loopsByTargetSegments` map), raised from either: + * + * - the end of the loop's body (in which case `node === loop`) + * - a `continue` statement + * + * This condition skips loop events raised from `ForInStatement > .right` and `ForOfStatement > .right` nodes. + */ + if (node === loop || node.type === "ContinueStatement") { + // Removes loop if it exists in the set. Otherwise, `Set#delete` has no effect and doesn't throw. + loopsToReport.delete(loop); + } + }, + + [loopSelector](node) { + /** + * Ignore unreachable loop statements to avoid unnecessary complexity in the implementation, or false positives otherwise. + * For unreachable segments, the code path analysis does not raise events required for this implementation. + */ + if (isAnySegmentReachable(currentCodePathSegments)) { + loopsToReport.add(node); + } + }, + + "Program:exit"() { + loopsToReport.forEach(node => + context.report({ node, messageId: "invalid" }), + ); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unreachable.js b/module/node_modules/eslint/lib/rules/no-unreachable.js new file mode 100644 index 000000000..7be94bb3f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unreachable.js @@ -0,0 +1,300 @@ +/** + * @fileoverview Checks for unreachable code due to return, throws, break, and continue. + * @author Joel Feenstra + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * @typedef {Object} ConstructorInfo + * @property {ConstructorInfo | null} upper Info about the constructor that encloses this constructor. + * @property {boolean} hasSuperCall The flag about having `super()` expressions. + */ + +/** + * Checks whether or not a given variable declarator has the initializer. + * @param {ASTNode} node A VariableDeclarator node to check. + * @returns {boolean} `true` if the node has the initializer. + */ +function isInitialized(node) { + return Boolean(node.init); +} + +/** + * Checks all segments in a set and returns true if all are unreachable. + * @param {Set} segments The segments to check. + * @returns {boolean} True if all segments are unreachable; false otherwise. + */ +function areAllSegmentsUnreachable(segments) { + for (const segment of segments) { + if (segment.reachable) { + return false; + } + } + + return true; +} + +/** + * The class to distinguish consecutive unreachable statements. + */ +class ConsecutiveRange { + constructor(sourceCode) { + this.sourceCode = sourceCode; + this.startNode = null; + this.endNode = null; + } + + /** + * The location object of this range. + * @type {Object} + */ + get location() { + return { + start: this.startNode.loc.start, + end: this.endNode.loc.end, + }; + } + + /** + * `true` if this range is empty. + * @type {boolean} + */ + get isEmpty() { + return !(this.startNode && this.endNode); + } + + /** + * Checks whether the given node is inside of this range. + * @param {ASTNode|Token} node The node to check. + * @returns {boolean} `true` if the node is inside of this range. + */ + contains(node) { + return ( + node.range[0] >= this.startNode.range[0] && + node.range[1] <= this.endNode.range[1] + ); + } + + /** + * Checks whether the given node is consecutive to this range. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is consecutive to this range. + */ + isConsecutive(node) { + return this.contains(this.sourceCode.getTokenBefore(node)); + } + + /** + * Merges the given node to this range. + * @param {ASTNode} node The node to merge. + * @returns {void} + */ + merge(node) { + this.endNode = node; + } + + /** + * Resets this range by the given node or null. + * @param {ASTNode|null} node The node to reset, or null. + * @returns {void} + */ + reset(node) { + this.startNode = this.endNode = node; + } +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow unreachable code after `return`, `throw`, `continue`, and `break` statements", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-unreachable", + }, + + schema: [], + + messages: { + unreachableCode: "Unreachable code.", + }, + }, + + create(context) { + /** @type {ConstructorInfo | null} */ + let constructorInfo = null; + + /** @type {ConsecutiveRange} */ + const range = new ConsecutiveRange(context.sourceCode); + + /** @type {Array>} */ + const codePathSegments = []; + + /** @type {Set} */ + let currentCodePathSegments = new Set(); + + /** + * Reports a given node if it's unreachable. + * @param {ASTNode} node A statement node to report. + * @returns {void} + */ + function reportIfUnreachable(node) { + let nextNode = null; + + if ( + node && + (node.type === "PropertyDefinition" || + areAllSegmentsUnreachable(currentCodePathSegments)) + ) { + // Store this statement to distinguish consecutive statements. + if (range.isEmpty) { + range.reset(node); + return; + } + + // Skip if this statement is inside of the current range. + if (range.contains(node)) { + return; + } + + // Merge if this statement is consecutive to the current range. + if (range.isConsecutive(node)) { + range.merge(node); + return; + } + + nextNode = node; + } + + /* + * Report the current range since this statement is reachable or is + * not consecutive to the current range. + */ + if (!range.isEmpty) { + context.report({ + messageId: "unreachableCode", + loc: range.location, + node: range.startNode, + }); + } + + // Update the current range. + range.reset(nextNode); + } + + return { + // Manages the current code path. + onCodePathStart() { + codePathSegments.push(currentCodePathSegments); + currentCodePathSegments = new Set(); + }, + + onCodePathEnd() { + currentCodePathSegments = codePathSegments.pop(); + }, + + onUnreachableCodePathSegmentStart(segment) { + currentCodePathSegments.add(segment); + }, + + onUnreachableCodePathSegmentEnd(segment) { + currentCodePathSegments.delete(segment); + }, + + onCodePathSegmentEnd(segment) { + currentCodePathSegments.delete(segment); + }, + + onCodePathSegmentStart(segment) { + currentCodePathSegments.add(segment); + }, + + // Registers for all statement nodes (excludes FunctionDeclaration). + BlockStatement: reportIfUnreachable, + BreakStatement: reportIfUnreachable, + ClassDeclaration: reportIfUnreachable, + ContinueStatement: reportIfUnreachable, + DebuggerStatement: reportIfUnreachable, + DoWhileStatement: reportIfUnreachable, + ExpressionStatement: reportIfUnreachable, + ForInStatement: reportIfUnreachable, + ForOfStatement: reportIfUnreachable, + ForStatement: reportIfUnreachable, + IfStatement: reportIfUnreachable, + ImportDeclaration: reportIfUnreachable, + LabeledStatement: reportIfUnreachable, + ReturnStatement: reportIfUnreachable, + SwitchStatement: reportIfUnreachable, + ThrowStatement: reportIfUnreachable, + TryStatement: reportIfUnreachable, + + VariableDeclaration(node) { + if ( + node.kind !== "var" || + node.declarations.some(isInitialized) + ) { + reportIfUnreachable(node); + } + }, + + WhileStatement: reportIfUnreachable, + WithStatement: reportIfUnreachable, + ExportNamedDeclaration: reportIfUnreachable, + ExportDefaultDeclaration: reportIfUnreachable, + ExportAllDeclaration: reportIfUnreachable, + + "Program:exit"() { + reportIfUnreachable(); + }, + + /* + * Instance fields defined in a subclass are never created if the constructor of the subclass + * doesn't call `super()`, so their definitions are unreachable code. + */ + "MethodDefinition[kind='constructor']"() { + constructorInfo = { + upper: constructorInfo, + hasSuperCall: false, + }; + }, + "MethodDefinition[kind='constructor']:exit"(node) { + const { hasSuperCall } = constructorInfo; + + constructorInfo = constructorInfo.upper; + + // skip typescript constructors without the body + if (!node.value.body) { + return; + } + + const classDefinition = node.parent.parent; + + if (classDefinition.superClass && !hasSuperCall) { + for (const element of classDefinition.body.body) { + if ( + element.type === "PropertyDefinition" && + !element.static + ) { + reportIfUnreachable(element); + } + } + } + }, + "CallExpression > Super.callee"() { + if (constructorInfo) { + constructorInfo.hasSuperCall = true; + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unsafe-finally.js b/module/node_modules/eslint/lib/rules/no-unsafe-finally.js new file mode 100644 index 000000000..4c6393e60 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unsafe-finally.js @@ -0,0 +1,119 @@ +/** + * @fileoverview Rule to flag unsafe statements in finally block + * @author Onur Temizkan + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const SENTINEL_NODE_TYPE_RETURN_THROW = + /^(?:Program|(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression)$/u; +const SENTINEL_NODE_TYPE_BREAK = + /^(?:Program|(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression|DoWhileStatement|WhileStatement|ForOfStatement|ForInStatement|ForStatement|SwitchStatement)$/u; +const SENTINEL_NODE_TYPE_CONTINUE = + /^(?:Program|(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression|DoWhileStatement|WhileStatement|ForOfStatement|ForInStatement|ForStatement)$/u; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow control flow statements in `finally` blocks", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-unsafe-finally", + }, + + schema: [], + + messages: { + unsafeUsage: "Unsafe usage of {{nodeType}}.", + }, + }, + create(context) { + /** + * Checks if the node is the finalizer of a TryStatement + * @param {ASTNode} node node to check. + * @returns {boolean} - true if the node is the finalizer of a TryStatement + */ + function isFinallyBlock(node) { + return ( + node.parent.type === "TryStatement" && + node.parent.finalizer === node + ); + } + + /** + * Climbs up the tree if the node is not a sentinel node + * @param {ASTNode} node node to check. + * @param {string} label label of the break or continue statement + * @returns {boolean} - return whether the node is a finally block or a sentinel node + */ + function isInFinallyBlock(node, label) { + let labelInside = false; + let sentinelNodeType; + + if (node.type === "BreakStatement" && !node.label) { + sentinelNodeType = SENTINEL_NODE_TYPE_BREAK; + } else if (node.type === "ContinueStatement") { + sentinelNodeType = SENTINEL_NODE_TYPE_CONTINUE; + } else { + sentinelNodeType = SENTINEL_NODE_TYPE_RETURN_THROW; + } + + for ( + let currentNode = node; + currentNode && !sentinelNodeType.test(currentNode.type); + currentNode = currentNode.parent + ) { + if ( + currentNode.parent.label && + label && + currentNode.parent.label.name === label.name + ) { + labelInside = true; + } + if (isFinallyBlock(currentNode)) { + if (label && labelInside) { + return false; + } + return true; + } + } + return false; + } + + /** + * Checks whether the possibly-unsafe statement is inside a finally block. + * @param {ASTNode} node node to check. + * @returns {void} + */ + function check(node) { + if (isInFinallyBlock(node, node.label)) { + context.report({ + messageId: "unsafeUsage", + data: { + nodeType: node.type, + }, + node, + line: node.loc.line, + column: node.loc.column, + }); + } + } + + return { + ReturnStatement: check, + ThrowStatement: check, + BreakStatement: check, + ContinueStatement: check, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unsafe-negation.js b/module/node_modules/eslint/lib/rules/no-unsafe-negation.js new file mode 100644 index 000000000..17e027106 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unsafe-negation.js @@ -0,0 +1,152 @@ +/** + * @fileoverview Rule to disallow negating the left operand of relational operators + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether the given operator is `in` or `instanceof` + * @param {string} op The operator type to check. + * @returns {boolean} `true` if the operator is `in` or `instanceof` + */ +function isInOrInstanceOfOperator(op) { + return op === "in" || op === "instanceof"; +} + +/** + * Checks whether the given operator is an ordering relational operator or not. + * @param {string} op The operator type to check. + * @returns {boolean} `true` if the operator is an ordering relational operator. + */ +function isOrderingRelationalOperator(op) { + return op === "<" || op === ">" || op === ">=" || op === "<="; +} + +/** + * Checks whether the given node is a logical negation expression or not. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is a logical negation expression. + */ +function isNegation(node) { + return node.type === "UnaryExpression" && node.operator === "!"; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + enforceForOrderingRelations: false, + }, + ], + + docs: { + description: + "Disallow negating the left operand of relational operators", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-unsafe-negation", + }, + + hasSuggestions: true, + + schema: [ + { + type: "object", + properties: { + enforceForOrderingRelations: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + fixable: null, + + messages: { + unexpected: + "Unexpected negating the left operand of '{{operator}}' operator.", + suggestNegatedExpression: + "Negate '{{operator}}' expression instead of its left operand. This changes the current behavior.", + suggestParenthesisedNegation: + "Wrap negation in '()' to make the intention explicit. This preserves the current behavior.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const [{ enforceForOrderingRelations }] = context.options; + + return { + BinaryExpression(node) { + const operator = node.operator; + const orderingRelationRuleApplies = + enforceForOrderingRelations && + isOrderingRelationalOperator(operator); + + if ( + (isInOrInstanceOfOperator(operator) || + orderingRelationRuleApplies) && + isNegation(node.left) && + !astUtils.isParenthesised(sourceCode, node.left) + ) { + context.report({ + node, + loc: node.left.loc, + messageId: "unexpected", + data: { operator }, + suggest: [ + { + messageId: "suggestNegatedExpression", + data: { operator }, + fix(fixer) { + const negationToken = + sourceCode.getFirstToken(node.left); + const fixRange = [ + negationToken.range[1], + node.range[1], + ]; + const text = sourceCode.text.slice( + fixRange[0], + fixRange[1], + ); + + return fixer.replaceTextRange( + fixRange, + `(${text})`, + ); + }, + }, + { + messageId: "suggestParenthesisedNegation", + fix(fixer) { + return fixer.replaceText( + node.left, + `(${sourceCode.getText(node.left)})`, + ); + }, + }, + ], + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unsafe-optional-chaining.js b/module/node_modules/eslint/lib/rules/no-unsafe-optional-chaining.js new file mode 100644 index 000000000..95875b7eb --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unsafe-optional-chaining.js @@ -0,0 +1,221 @@ +/** + * @fileoverview Rule to disallow unsafe optional chaining + * @author Yeon JuAn + */ + +"use strict"; + +const UNSAFE_ARITHMETIC_OPERATORS = new Set(["+", "-", "/", "*", "%", "**"]); +const UNSAFE_ASSIGNMENT_OPERATORS = new Set([ + "+=", + "-=", + "/=", + "*=", + "%=", + "**=", +]); +const UNSAFE_RELATIONAL_OPERATORS = new Set(["in", "instanceof"]); + +/** + * Checks whether a node is a destructuring pattern or not + * @param {ASTNode} node node to check + * @returns {boolean} `true` if a node is a destructuring pattern, otherwise `false` + */ +function isDestructuringPattern(node) { + return node.type === "ObjectPattern" || node.type === "ArrayPattern"; +} + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + disallowArithmeticOperators: false, + }, + ], + + docs: { + description: + "Disallow use of optional chaining in contexts where the `undefined` value is not allowed", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-unsafe-optional-chaining", + }, + schema: [ + { + type: "object", + properties: { + disallowArithmeticOperators: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + fixable: null, + messages: { + unsafeOptionalChain: + "Unsafe usage of optional chaining. If it short-circuits with 'undefined' the evaluation will throw TypeError.", + unsafeArithmetic: + "Unsafe arithmetic operation on optional chaining. It can result in NaN.", + }, + }, + + create(context) { + const [{ disallowArithmeticOperators }] = context.options; + + /** + * Reports unsafe usage of optional chaining + * @param {ASTNode} node node to report + * @returns {void} + */ + function reportUnsafeUsage(node) { + context.report({ + messageId: "unsafeOptionalChain", + node, + }); + } + + /** + * Reports unsafe arithmetic operation on optional chaining + * @param {ASTNode} node node to report + * @returns {void} + */ + function reportUnsafeArithmetic(node) { + context.report({ + messageId: "unsafeArithmetic", + node, + }); + } + + /** + * Checks and reports if a node can short-circuit with `undefined` by optional chaining. + * @param {ASTNode} [node] node to check + * @param {Function} reportFunc report function + * @returns {void} + */ + function checkUndefinedShortCircuit(node, reportFunc) { + if (!node) { + return; + } + switch (node.type) { + case "LogicalExpression": + if (node.operator === "||" || node.operator === "??") { + checkUndefinedShortCircuit(node.right, reportFunc); + } else if (node.operator === "&&") { + checkUndefinedShortCircuit(node.left, reportFunc); + checkUndefinedShortCircuit(node.right, reportFunc); + } + break; + case "SequenceExpression": + checkUndefinedShortCircuit( + node.expressions.at(-1), + reportFunc, + ); + break; + case "ConditionalExpression": + checkUndefinedShortCircuit(node.consequent, reportFunc); + checkUndefinedShortCircuit(node.alternate, reportFunc); + break; + case "AwaitExpression": + checkUndefinedShortCircuit(node.argument, reportFunc); + break; + case "ChainExpression": + reportFunc(node); + break; + default: + break; + } + } + + /** + * Checks unsafe usage of optional chaining + * @param {ASTNode} node node to check + * @returns {void} + */ + function checkUnsafeUsage(node) { + checkUndefinedShortCircuit(node, reportUnsafeUsage); + } + + /** + * Checks unsafe arithmetic operations on optional chaining + * @param {ASTNode} node node to check + * @returns {void} + */ + function checkUnsafeArithmetic(node) { + checkUndefinedShortCircuit(node, reportUnsafeArithmetic); + } + + return { + "AssignmentExpression, AssignmentPattern"(node) { + if (isDestructuringPattern(node.left)) { + checkUnsafeUsage(node.right); + } + }, + "ClassDeclaration, ClassExpression"(node) { + checkUnsafeUsage(node.superClass); + }, + CallExpression(node) { + if (!node.optional) { + checkUnsafeUsage(node.callee); + } + }, + NewExpression(node) { + checkUnsafeUsage(node.callee); + }, + VariableDeclarator(node) { + if (isDestructuringPattern(node.id)) { + checkUnsafeUsage(node.init); + } + }, + MemberExpression(node) { + if (!node.optional) { + checkUnsafeUsage(node.object); + } + }, + TaggedTemplateExpression(node) { + checkUnsafeUsage(node.tag); + }, + ForOfStatement(node) { + checkUnsafeUsage(node.right); + }, + SpreadElement(node) { + if (node.parent && node.parent.type !== "ObjectExpression") { + checkUnsafeUsage(node.argument); + } + }, + BinaryExpression(node) { + if (UNSAFE_RELATIONAL_OPERATORS.has(node.operator)) { + checkUnsafeUsage(node.right); + } + if ( + disallowArithmeticOperators && + UNSAFE_ARITHMETIC_OPERATORS.has(node.operator) + ) { + checkUnsafeArithmetic(node.right); + checkUnsafeArithmetic(node.left); + } + }, + WithStatement(node) { + checkUnsafeUsage(node.object); + }, + UnaryExpression(node) { + if ( + disallowArithmeticOperators && + UNSAFE_ARITHMETIC_OPERATORS.has(node.operator) + ) { + checkUnsafeArithmetic(node.argument); + } + }, + AssignmentExpression(node) { + if ( + disallowArithmeticOperators && + UNSAFE_ASSIGNMENT_OPERATORS.has(node.operator) + ) { + checkUnsafeArithmetic(node.right); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unused-expressions.js b/module/node_modules/eslint/lib/rules/no-unused-expressions.js new file mode 100644 index 000000000..3c530e6ef --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unused-expressions.js @@ -0,0 +1,227 @@ +/** + * @fileoverview Flag expressions in statement position that do not side effect + * @author Michael Ficarra + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** + * Returns `true`. + * @returns {boolean} `true`. + */ +function alwaysTrue() { + return true; +} + +/** + * Returns `false`. + * @returns {boolean} `false`. + */ +function alwaysFalse() { + return false; +} + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + dialects: ["javascript", "typescript"], + language: "javascript", + type: "suggestion", + + docs: { + description: "Disallow unused expressions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-unused-expressions", + }, + + schema: [ + { + type: "object", + properties: { + allowShortCircuit: { + type: "boolean", + }, + allowTernary: { + type: "boolean", + }, + allowTaggedTemplates: { + type: "boolean", + }, + enforceForJSX: { + type: "boolean", + }, + ignoreDirectives: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + defaultOptions: [ + { + allowShortCircuit: false, + allowTernary: false, + allowTaggedTemplates: false, + enforceForJSX: false, + ignoreDirectives: false, + }, + ], + + messages: { + unusedExpression: + "Expected an assignment or function call and instead saw an expression.", + }, + }, + + create(context) { + const [ + { + allowShortCircuit, + allowTernary, + allowTaggedTemplates, + enforceForJSX, + ignoreDirectives, + }, + ] = context.options; + + /** + * Has AST suggesting a directive. + * @param {ASTNode} node any node + * @returns {boolean} whether the given node structurally represents a directive + */ + function looksLikeDirective(node) { + return ( + node.type === "ExpressionStatement" && + node.expression.type === "Literal" && + typeof node.expression.value === "string" + ); + } + + /** + * Gets the leading sequence of members in a list that pass the predicate. + * @param {Function} predicate ([a] -> Boolean) the function used to make the determination + * @param {a[]} list the input list + * @returns {a[]} the leading sequence of members in the given list that pass the given predicate + */ + function takeWhile(predicate, list) { + for (let i = 0; i < list.length; ++i) { + if (!predicate(list[i])) { + return list.slice(0, i); + } + } + return list.slice(); + } + + /** + * Gets leading directives nodes in a Node body. + * @param {ASTNode} node a Program or BlockStatement node + * @returns {ASTNode[]} the leading sequence of directive nodes in the given node's body + */ + function directives(node) { + return takeWhile(looksLikeDirective, node.body); + } + + /** + * Detect if a Node is a directive. + * @param {ASTNode} node any node + * @returns {boolean} whether the given node is considered a directive in its current position + */ + function isDirective(node) { + /** + * https://tc39.es/ecma262/#directive-prologue + * + * Only `FunctionBody`, `ScriptBody` and `ModuleBody` can have directive prologue. + * Class static blocks do not have directive prologue. + */ + return ( + astUtils.isTopLevelExpressionStatement(node) && + directives(node.parent).includes(node) + ); + } + + /** + * The member functions return `true` if the type has no side-effects. + * Unknown nodes are handled as `false`, then this rule ignores those. + */ + const Checker = Object.assign(Object.create(null), { + isDisallowed(node) { + return (Checker[node.type] || alwaysFalse)(node); + }, + + ArrayExpression: alwaysTrue, + ArrowFunctionExpression: alwaysTrue, + BinaryExpression: alwaysTrue, + ChainExpression(node) { + return Checker.isDisallowed(node.expression); + }, + ClassExpression: alwaysTrue, + ConditionalExpression(node) { + if (allowTernary) { + return ( + Checker.isDisallowed(node.consequent) || + Checker.isDisallowed(node.alternate) + ); + } + return true; + }, + FunctionExpression: alwaysTrue, + Identifier: alwaysTrue, + JSXElement() { + return enforceForJSX; + }, + JSXFragment() { + return enforceForJSX; + }, + Literal: alwaysTrue, + LogicalExpression(node) { + if (allowShortCircuit) { + return Checker.isDisallowed(node.right); + } + return true; + }, + MemberExpression: alwaysTrue, + MetaProperty: alwaysTrue, + ObjectExpression: alwaysTrue, + SequenceExpression: alwaysTrue, + TaggedTemplateExpression() { + return !allowTaggedTemplates; + }, + TemplateLiteral: alwaysTrue, + ThisExpression: alwaysTrue, + UnaryExpression(node) { + return node.operator !== "void" && node.operator !== "delete"; + }, + // TypeScript-specific node types + TSAsExpression(node) { + return Checker.isDisallowed(node.expression); + }, + TSTypeAssertion(node) { + return Checker.isDisallowed(node.expression); + }, + TSNonNullExpression(node) { + return Checker.isDisallowed(node.expression); + }, + TSInstantiationExpression(node) { + return Checker.isDisallowed(node.expression); + }, + }); + + return { + ExpressionStatement(node) { + if ( + Checker.isDisallowed(node.expression) && + !astUtils.isDirective(node) && + !(ignoreDirectives && isDirective(node)) + ) { + context.report({ node, messageId: "unusedExpression" }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unused-labels.js b/module/node_modules/eslint/lib/rules/no-unused-labels.js new file mode 100644 index 000000000..d7fe3e427 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unused-labels.js @@ -0,0 +1,158 @@ +/** + * @fileoverview Rule to disallow unused labels. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow unused labels", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-unused-labels", + }, + + schema: [], + + fixable: "code", + + messages: { + unused: "'{{name}}:' is defined but never used.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + let scopeInfo = null; + + /** + * Adds a scope info to the stack. + * @param {ASTNode} node A node to add. This is a LabeledStatement. + * @returns {void} + */ + function enterLabeledScope(node) { + scopeInfo = { + label: node.label.name, + used: false, + upper: scopeInfo, + }; + } + + /** + * Checks if a `LabeledStatement` node is fixable. + * For a node to be fixable, there must be no comments between the label and the body. + * Furthermore, is must be possible to remove the label without turning the body statement into a + * directive after other fixes are applied. + * @param {ASTNode} node The node to evaluate. + * @returns {boolean} Whether or not the node is fixable. + */ + function isFixable(node) { + /* + * Only perform a fix if there are no comments between the label and the body. This will be the case + * when there is exactly one token/comment (the ":") between the label and the body. + */ + if ( + sourceCode.getTokenAfter(node.label, { + includeComments: true, + }) !== + sourceCode.getTokenBefore(node.body, { includeComments: true }) + ) { + return false; + } + + // Looking for the node's deepest ancestor which is not a `LabeledStatement`. + let ancestor = node.parent; + + while (ancestor.type === "LabeledStatement") { + ancestor = ancestor.parent; + } + + if ( + ancestor.type === "Program" || + (ancestor.type === "BlockStatement" && + astUtils.isFunction(ancestor.parent)) + ) { + const { body } = node; + + if ( + body.type === "ExpressionStatement" && + ((body.expression.type === "Literal" && + typeof body.expression.value === "string") || + astUtils.isStaticTemplateLiteral(body.expression)) + ) { + return false; // potential directive + } + } + return true; + } + + /** + * Removes the top of the stack. + * At the same time, this reports the label if it's never used. + * @param {ASTNode} node A node to report. This is a LabeledStatement. + * @returns {void} + */ + function exitLabeledScope(node) { + if (!scopeInfo.used) { + context.report({ + node: node.label, + messageId: "unused", + data: node.label, + fix: isFixable(node) + ? fixer => + fixer.removeRange([ + node.range[0], + node.body.range[0], + ]) + : null, + }); + } + + scopeInfo = scopeInfo.upper; + } + + /** + * Marks the label of a given node as used. + * @param {ASTNode} node A node to mark. This is a BreakStatement or + * ContinueStatement. + * @returns {void} + */ + function markAsUsed(node) { + if (!node.label) { + return; + } + + const label = node.label.name; + let info = scopeInfo; + + while (info) { + if (info.label === label) { + info.used = true; + break; + } + info = info.upper; + } + } + + return { + LabeledStatement: enterLabeledScope, + "LabeledStatement:exit": exitLabeledScope, + BreakStatement: markAsUsed, + ContinueStatement: markAsUsed, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unused-private-class-members.js b/module/node_modules/eslint/lib/rules/no-unused-private-class-members.js new file mode 100644 index 000000000..51029cc49 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unused-private-class-members.js @@ -0,0 +1,219 @@ +/** + * @fileoverview Rule to flag declared but unused private class members + * @author Tim van der Lippe + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow unused private class members", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-unused-private-class-members", + }, + + schema: [], + + messages: { + unusedPrivateClassMember: + "'{{classMemberName}}' is defined but never used.", + }, + }, + + create(context) { + const trackedClasses = []; + + /** + * Check whether the current node is in a write only assignment. + * @param {ASTNode} privateIdentifierNode Node referring to a private identifier + * @returns {boolean} Whether the node is in a write only assignment + * @private + */ + function isWriteOnlyAssignment(privateIdentifierNode) { + const parentStatement = privateIdentifierNode.parent.parent; + const isAssignmentExpression = + parentStatement.type === "AssignmentExpression"; + + if ( + !isAssignmentExpression && + parentStatement.type !== "ForInStatement" && + parentStatement.type !== "ForOfStatement" && + parentStatement.type !== "AssignmentPattern" + ) { + return false; + } + + // It is a write-only usage, since we still allow usages on the right for reads + if (parentStatement.left !== privateIdentifierNode.parent) { + return false; + } + + // For any other operator (such as '+=') we still consider it a read operation + if (isAssignmentExpression && parentStatement.operator !== "=") { + /* + * However, if the read operation is "discarded" in an empty statement, then + * we consider it write only. + */ + return parentStatement.parent.type === "ExpressionStatement"; + } + + return true; + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + // Collect all declared members up front and assume they are all unused + ClassBody(classBodyNode) { + const privateMembers = new Map(); + + trackedClasses.unshift(privateMembers); + for (const bodyMember of classBodyNode.body) { + if ( + bodyMember.type === "PropertyDefinition" || + bodyMember.type === "MethodDefinition" + ) { + if (bodyMember.key.type === "PrivateIdentifier") { + privateMembers.set(bodyMember.key.name, { + declaredNode: bodyMember, + isAccessor: + bodyMember.type === "MethodDefinition" && + (bodyMember.kind === "set" || + bodyMember.kind === "get"), + }); + } + } + } + }, + + /* + * Process all usages of the private identifier and remove a member from + * `declaredAndUnusedPrivateMembers` if we deem it used. + */ + PrivateIdentifier(privateIdentifierNode) { + const classBody = trackedClasses.find(classProperties => + classProperties.has(privateIdentifierNode.name), + ); + + // Can't happen, as it is a parser to have a missing class body, but let's code defensively here. + if (!classBody) { + return; + } + + // In case any other usage was already detected, we can short circuit the logic here. + const memberDefinition = classBody.get( + privateIdentifierNode.name, + ); + + if (memberDefinition.isUsed) { + return; + } + + // The definition of the class member itself + if ( + privateIdentifierNode.parent.type === + "PropertyDefinition" || + privateIdentifierNode.parent.type === "MethodDefinition" + ) { + return; + } + + /* + * Any usage of an accessor is considered a read, as the getter/setter can have + * side-effects in its definition. + */ + if (memberDefinition.isAccessor) { + memberDefinition.isUsed = true; + return; + } + + // Any assignments to this member, except for assignments that also read + if (isWriteOnlyAssignment(privateIdentifierNode)) { + return; + } + + const wrappingExpressionType = + privateIdentifierNode.parent.parent.type; + const parentOfWrappingExpressionType = + privateIdentifierNode.parent.parent.parent.type; + + // A statement which only increments (`this.#x++;`) + if ( + wrappingExpressionType === "UpdateExpression" && + parentOfWrappingExpressionType === "ExpressionStatement" + ) { + return; + } + + /* + * ({ x: this.#usedInDestructuring } = bar); + * + * But should treat the following as a read: + * ({ [this.#x]: a } = foo); + */ + if ( + wrappingExpressionType === "Property" && + parentOfWrappingExpressionType === "ObjectPattern" && + privateIdentifierNode.parent.parent.value === + privateIdentifierNode.parent + ) { + return; + } + + // [...this.#unusedInRestPattern] = bar; + if (wrappingExpressionType === "RestElement") { + return; + } + + // [this.#unusedInAssignmentPattern] = bar; + if (wrappingExpressionType === "ArrayPattern") { + return; + } + + /* + * We can't delete the memberDefinition, as we need to keep track of which member we are marking as used. + * In the case of nested classes, we only mark the first member we encounter as used. If you were to delete + * the member, then any subsequent usage could incorrectly mark the member of an encapsulating parent class + * as used, which is incorrect. + */ + memberDefinition.isUsed = true; + }, + + /* + * Post-process the class members and report any remaining members. + * Since private members can only be accessed in the current class context, + * we can safely assume that all usages are within the current class body. + */ + "ClassBody:exit"() { + const unusedPrivateMembers = trackedClasses.shift(); + + for (const [ + classMemberName, + { declaredNode, isUsed }, + ] of unusedPrivateMembers.entries()) { + if (isUsed) { + continue; + } + context.report({ + node: declaredNode, + loc: declaredNode.key.loc, + messageId: "unusedPrivateClassMember", + data: { + classMemberName: `#${classMemberName}`, + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-unused-vars.js b/module/node_modules/eslint/lib/rules/no-unused-vars.js new file mode 100644 index 000000000..da5361fa7 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-unused-vars.js @@ -0,0 +1,1739 @@ +/** + * @fileoverview Rule to flag declared but unused variables + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** + * A simple name for the types of variables that this rule supports + * @typedef {'array-destructure'|'catch-clause'|'parameter'|'variable'} VariableType + */ + +/** + * Bag of data used for formatting the `unusedVar` lint message. + * @typedef {Object} UnusedVarMessageData + * @property {string} varName The name of the unused var. + * @property {'defined'|'assigned a value'} action Description of the vars state. + * @property {string} additional Any additional info to be appended at the end. + */ + +/** + * Bag of data used for formatting the `usedIgnoredVar` lint message. + * @typedef {Object} UsedIgnoredVarMessageData + * @property {string} varName The name of the unused var. + * @property {string} additional Any additional info to be appended at the end. + */ + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: "Disallow unused variables", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-unused-vars", + }, + + hasSuggestions: true, + + schema: [ + { + oneOf: [ + { + enum: ["all", "local"], + }, + { + type: "object", + properties: { + vars: { + enum: ["all", "local"], + }, + varsIgnorePattern: { + type: "string", + }, + args: { + enum: ["all", "after-used", "none"], + }, + ignoreRestSiblings: { + type: "boolean", + }, + argsIgnorePattern: { + type: "string", + }, + caughtErrors: { + enum: ["all", "none"], + }, + caughtErrorsIgnorePattern: { + type: "string", + }, + destructuredArrayIgnorePattern: { + type: "string", + }, + ignoreClassWithStaticInitBlock: { + type: "boolean", + }, + ignoreUsingDeclarations: { + type: "boolean", + }, + reportUsedIgnorePattern: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + unusedVar: + "'{{varName}}' is {{action}} but never used{{additional}}.", + usedIgnoredVar: + "'{{varName}}' is marked as ignored but is used{{additional}}.", + removeVar: "Remove unused variable '{{varName}}'.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + const REST_PROPERTY_TYPE = + /^(?:RestElement|(?:Experimental)?RestProperty)$/u; + + const config = { + vars: "all", + args: "after-used", + ignoreRestSiblings: false, + caughtErrors: "all", + ignoreClassWithStaticInitBlock: false, + ignoreUsingDeclarations: false, + reportUsedIgnorePattern: false, + }; + + const firstOption = context.options[0]; + + if (firstOption) { + if (typeof firstOption === "string") { + config.vars = firstOption; + } else { + config.vars = firstOption.vars || config.vars; + config.args = firstOption.args || config.args; + config.ignoreRestSiblings = + firstOption.ignoreRestSiblings || config.ignoreRestSiblings; + config.caughtErrors = + firstOption.caughtErrors || config.caughtErrors; + config.ignoreClassWithStaticInitBlock = + firstOption.ignoreClassWithStaticInitBlock || + config.ignoreClassWithStaticInitBlock; + config.ignoreUsingDeclarations = + firstOption.ignoreUsingDeclarations || + config.ignoreUsingDeclarations; + config.reportUsedIgnorePattern = + firstOption.reportUsedIgnorePattern || + config.reportUsedIgnorePattern; + + if (firstOption.varsIgnorePattern) { + config.varsIgnorePattern = new RegExp( + firstOption.varsIgnorePattern, + "u", + ); + } + + if (firstOption.argsIgnorePattern) { + config.argsIgnorePattern = new RegExp( + firstOption.argsIgnorePattern, + "u", + ); + } + + if (firstOption.caughtErrorsIgnorePattern) { + config.caughtErrorsIgnorePattern = new RegExp( + firstOption.caughtErrorsIgnorePattern, + "u", + ); + } + + if (firstOption.destructuredArrayIgnorePattern) { + config.destructuredArrayIgnorePattern = new RegExp( + firstOption.destructuredArrayIgnorePattern, + "u", + ); + } + } + } + + /** + * Determines what variable type a def is. + * @param {Object} def the declaration to check + * @returns {VariableType} a simple name for the types of variables that this rule supports + */ + function defToVariableType(def) { + /* + * This `destructuredArrayIgnorePattern` error report works differently from the catch + * clause and parameter error reports. _Both_ the `varsIgnorePattern` and the + * `destructuredArrayIgnorePattern` will be checked for array destructuring. However, + * for the purposes of the report, the currently defined behavior is to only inform the + * user of the `destructuredArrayIgnorePattern` if it's present (regardless of the fact + * that the `varsIgnorePattern` would also apply). If it's not present, the user will be + * informed of the `varsIgnorePattern`, assuming that's present. + */ + if ( + config.destructuredArrayIgnorePattern && + def.name.parent.type === "ArrayPattern" + ) { + return "array-destructure"; + } + + switch (def.type) { + case "CatchClause": + return "catch-clause"; + case "Parameter": + return "parameter"; + + default: + return "variable"; + } + } + + /** + * Gets a given variable's description and configured ignore pattern + * based on the provided variableType + * @param {VariableType} variableType a simple name for the types of variables that this rule supports + * @throws {Error} (Unreachable) + * @returns {[string | undefined, string | undefined]} the given variable's description and + * ignore pattern + */ + function getVariableDescription(variableType) { + let pattern; + let variableDescription; + + switch (variableType) { + case "array-destructure": + pattern = config.destructuredArrayIgnorePattern; + variableDescription = "elements of array destructuring"; + break; + + case "catch-clause": + pattern = config.caughtErrorsIgnorePattern; + variableDescription = "caught errors"; + break; + + case "parameter": + pattern = config.argsIgnorePattern; + variableDescription = "args"; + break; + + case "variable": + pattern = config.varsIgnorePattern; + variableDescription = "vars"; + break; + + default: + throw new Error( + `Unexpected variable type: ${variableType}`, + ); + } + + if (pattern) { + pattern = pattern.toString(); + } + + return [variableDescription, pattern]; + } + + /** + * Generates the message data about the variable being defined and unused, + * including the ignore pattern if configured. + * @param {Variable} unusedVar eslint-scope variable object. + * @returns {UnusedVarMessageData} The message data to be used with this unused variable. + */ + function getDefinedMessageData(unusedVar) { + const def = unusedVar.defs && unusedVar.defs[0]; + let additionalMessageData = ""; + + if (def) { + const [variableDescription, pattern] = getVariableDescription( + defToVariableType(def), + ); + + if (pattern && variableDescription) { + additionalMessageData = `. Allowed unused ${variableDescription} must match ${pattern}`; + } + } + + return { + varName: unusedVar.name, + action: "defined", + additional: additionalMessageData, + }; + } + + /** + * Generate the warning message about the variable being + * assigned and unused, including the ignore pattern if configured. + * @param {Variable} unusedVar eslint-scope variable object. + * @returns {UnusedVarMessageData} The message data to be used with this unused variable. + */ + function getAssignedMessageData(unusedVar) { + const def = unusedVar.defs && unusedVar.defs[0]; + let additionalMessageData = ""; + + if (def) { + const [variableDescription, pattern] = getVariableDescription( + defToVariableType(def), + ); + + if (pattern && variableDescription) { + additionalMessageData = `. Allowed unused ${variableDescription} must match ${pattern}`; + } + } + + return { + varName: unusedVar.name, + action: "assigned a value", + additional: additionalMessageData, + }; + } + + /** + * Generate the warning message about a variable being used even though + * it is marked as being ignored. + * @param {Variable} variable eslint-scope variable object + * @param {VariableType} variableType a simple name for the types of variables that this rule supports + * @returns {UsedIgnoredVarMessageData} The message data to be used with + * this used ignored variable. + */ + function getUsedIgnoredMessageData(variable, variableType) { + const [variableDescription, pattern] = + getVariableDescription(variableType); + + let additionalMessageData = ""; + + if (pattern && variableDescription) { + additionalMessageData = `. Used ${variableDescription} must not match ${pattern}`; + } + + return { + varName: variable.name, + additional: additionalMessageData, + }; + } + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + const STATEMENT_TYPE = /(?:Statement|Declaration)$/u; + + /** + * Determines if a given variable is being exported from a module. + * @param {Variable} variable eslint-scope variable object. + * @returns {boolean} True if the variable is exported, false if not. + * @private + */ + function isExported(variable) { + const definition = variable.defs[0]; + + if (definition) { + let node = definition.node; + + if (node.type === "VariableDeclarator") { + node = node.parent; + } else if (definition.type === "Parameter") { + return false; + } + + return node.parent.type.indexOf("Export") === 0; + } + return false; + } + + /** + * Determines if a given variable uses the explicit resource management protocol. + * @param {Variable} variable eslint-scope variable object. + * @returns {boolean} True if the variable is declared with "using" or "await using" + * @private + */ + function usesExplicitResourceManagement(variable) { + const [definition] = variable.defs; + + return ( + definition?.type === "Variable" && + (definition.parent.kind === "using" || + definition.parent.kind === "await using") + ); + } + + /** + * Checks whether a node is a sibling of the rest property or not. + * @param {ASTNode} node a node to check + * @returns {boolean} True if the node is a sibling of the rest property, otherwise false. + */ + function hasRestSibling(node) { + return ( + node.type === "Property" && + node.parent.type === "ObjectPattern" && + REST_PROPERTY_TYPE.test(node.parent.properties.at(-1).type) + ); + } + + /** + * Determines if a variable has a sibling rest property + * @param {Variable} variable eslint-scope variable object. + * @returns {boolean} True if the variable has a sibling rest property, false if not. + * @private + */ + function hasRestSpreadSibling(variable) { + if (config.ignoreRestSiblings) { + const hasRestSiblingDefinition = variable.defs.some(def => + hasRestSibling(def.name.parent), + ); + const hasRestSiblingReference = variable.references.some(ref => + hasRestSibling(ref.identifier.parent), + ); + + return hasRestSiblingDefinition || hasRestSiblingReference; + } + + return false; + } + + /** + * Determines if a reference is a read operation. + * @param {Reference} ref An eslint-scope Reference + * @returns {boolean} whether the given reference represents a read operation + * @private + */ + function isReadRef(ref) { + return ref.isRead(); + } + + /** + * Determine if an identifier is referencing an enclosing function name. + * @param {Reference} ref The reference to check. + * @param {ASTNode[]} nodes The candidate function nodes. + * @returns {boolean} True if it's a self-reference, false if not. + * @private + */ + function isSelfReference(ref, nodes) { + let scope = ref.from; + + while (scope) { + if (nodes.includes(scope.block)) { + return true; + } + + scope = scope.upper; + } + + return false; + } + + /** + * Gets a list of function definitions for a specified variable. + * @param {Variable} variable eslint-scope variable object. + * @returns {ASTNode[]} Function nodes. + * @private + */ + function getFunctionDefinitions(variable) { + const functionDefinitions = []; + + variable.defs.forEach(def => { + const { type, node } = def; + + // FunctionDeclarations + if (type === "FunctionName") { + functionDefinitions.push(node); + } + + // FunctionExpressions + if ( + type === "Variable" && + node.init && + (node.init.type === "FunctionExpression" || + node.init.type === "ArrowFunctionExpression") + ) { + functionDefinitions.push(node.init); + } + }); + return functionDefinitions; + } + + /** + * Checks the position of given nodes. + * @param {ASTNode} inner A node which is expected as inside. + * @param {ASTNode} outer A node which is expected as outside. + * @returns {boolean} `true` if the `inner` node exists in the `outer` node. + * @private + */ + function isInside(inner, outer) { + return ( + inner.range[0] >= outer.range[0] && + inner.range[1] <= outer.range[1] + ); + } + + /** + * Checks whether a given node is unused expression or not. + * @param {ASTNode} node The node itself + * @returns {boolean} The node is an unused expression. + * @private + */ + function isUnusedExpression(node) { + const parent = node.parent; + + if (parent.type === "ExpressionStatement") { + return true; + } + + if (parent.type === "SequenceExpression") { + const isLastExpression = parent.expressions.at(-1) === node; + + if (!isLastExpression) { + return true; + } + return isUnusedExpression(parent); + } + + return false; + } + + /** + * If a given reference is left-hand side of an assignment, this gets + * the right-hand side node of the assignment. + * + * In the following cases, this returns null. + * + * - The reference is not the LHS of an assignment expression. + * - The reference is inside of a loop. + * - The reference is inside of a function scope which is different from + * the declaration. + * @param {eslint-scope.Reference} ref A reference to check. + * @param {ASTNode} prevRhsNode The previous RHS node. + * @returns {ASTNode|null} The RHS node or null. + * @private + */ + function getRhsNode(ref, prevRhsNode) { + const id = ref.identifier; + const parent = id.parent; + const refScope = ref.from.variableScope; + const varScope = ref.resolved.scope.variableScope; + const canBeUsedLater = + refScope !== varScope || astUtils.isInLoop(id); + + /* + * Inherits the previous node if this reference is in the node. + * This is for `a = a + a`-like code. + */ + if (prevRhsNode && isInside(id, prevRhsNode)) { + return prevRhsNode; + } + + if ( + parent.type === "AssignmentExpression" && + isUnusedExpression(parent) && + id === parent.left && + !canBeUsedLater + ) { + return parent.right; + } + return null; + } + + /** + * Checks whether a given function node is stored to somewhere or not. + * If the function node is stored, the function can be used later. + * @param {ASTNode} funcNode A function node to check. + * @param {ASTNode} rhsNode The RHS node of the previous assignment. + * @returns {boolean} `true` if under the following conditions: + * - the funcNode is assigned to a variable. + * - the funcNode is bound as an argument of a function call. + * - the function is bound to a property and the object satisfies above conditions. + * @private + */ + function isStorableFunction(funcNode, rhsNode) { + let node = funcNode; + let parent = funcNode.parent; + + while (parent && isInside(parent, rhsNode)) { + switch (parent.type) { + case "SequenceExpression": + if (parent.expressions.at(-1) !== node) { + return false; + } + break; + + case "CallExpression": + case "NewExpression": + return parent.callee !== node; + + case "AssignmentExpression": + case "TaggedTemplateExpression": + case "YieldExpression": + return true; + + default: + if (STATEMENT_TYPE.test(parent.type)) { + /* + * If it encountered statements, this is a complex pattern. + * Since analyzing complex patterns is hard, this returns `true` to avoid false positive. + */ + return true; + } + } + + node = parent; + parent = parent.parent; + } + + return false; + } + + /** + * Checks whether a given Identifier node exists inside of a function node which can be used later. + * + * "can be used later" means: + * - the function is assigned to a variable. + * - the function is bound to a property and the object can be used later. + * - the function is bound as an argument of a function call. + * + * If a reference exists in a function which can be used later, the reference is read when the function is called. + * @param {ASTNode} id An Identifier node to check. + * @param {ASTNode} rhsNode The RHS node of the previous assignment. + * @returns {boolean} `true` if the `id` node exists inside of a function node which can be used later. + * @private + */ + function isInsideOfStorableFunction(id, rhsNode) { + const funcNode = astUtils.getUpperFunction(id); + + return ( + funcNode && + isInside(funcNode, rhsNode) && + isStorableFunction(funcNode, rhsNode) + ); + } + + /** + * Checks whether a given reference is a read to update itself or not. + * @param {eslint-scope.Reference} ref A reference to check. + * @param {ASTNode} rhsNode The RHS node of the previous assignment. + * @returns {boolean} The reference is a read to update itself. + * @private + */ + function isReadForItself(ref, rhsNode) { + const id = ref.identifier; + const parent = id.parent; + + return ( + ref.isRead() && + // self update. e.g. `a += 1`, `a++` + ((parent.type === "AssignmentExpression" && + parent.left === id && + isUnusedExpression(parent) && + !astUtils.isLogicalAssignmentOperator(parent.operator)) || + (parent.type === "UpdateExpression" && + isUnusedExpression(parent)) || + // in RHS of an assignment for itself. e.g. `a = a + 1` + (rhsNode && + isInside(id, rhsNode) && + !isInsideOfStorableFunction(id, rhsNode))) + ); + } + + /** + * Determine if an identifier is used either in for-in or for-of loops. + * @param {Reference} ref The reference to check. + * @returns {boolean} whether reference is used in the for-in loops + * @private + */ + function isForInOfRef(ref) { + let target = ref.identifier.parent; + + // "for (var ...) { return; }" + if (target.type === "VariableDeclarator") { + target = target.parent.parent; + } + + if ( + target.type !== "ForInStatement" && + target.type !== "ForOfStatement" + ) { + return false; + } + + // "for (...) { return; }" + if (target.body.type === "BlockStatement") { + target = target.body.body[0]; + + // "for (...) return;" + } else { + target = target.body; + } + + // For empty loop body + if (!target) { + return false; + } + + return target.type === "ReturnStatement"; + } + + /** + * Determines if the variable is used. + * @param {Variable} variable The variable to check. + * @returns {boolean} True if the variable is used + * @private + */ + function isUsedVariable(variable) { + if (variable.eslintUsed) { + return true; + } + + const functionNodes = getFunctionDefinitions(variable); + const isFunctionDefinition = functionNodes.length > 0; + + let rhsNode = null; + + return variable.references.some(ref => { + if (isForInOfRef(ref)) { + return true; + } + + const forItself = isReadForItself(ref, rhsNode); + + rhsNode = getRhsNode(ref, rhsNode); + + return ( + isReadRef(ref) && + !forItself && + !( + isFunctionDefinition && + isSelfReference(ref, functionNodes) + ) + ); + }); + } + + /** + * Checks whether the given variable is after the last used parameter. + * @param {eslint-scope.Variable} variable The variable to check. + * @returns {boolean} `true` if the variable is defined after the last + * used parameter. + */ + function isAfterLastUsedArg(variable) { + const def = variable.defs[0]; + const params = sourceCode.getDeclaredVariables(def.node); + const posteriorParams = params.slice(params.indexOf(variable) + 1); + + // If any used parameters occur after this parameter, do not report. + return !posteriorParams.some( + v => v.references.length > 0 || v.eslintUsed, + ); + } + + /** + * Gets an array of variables without read references. + * @param {Scope} scope an eslint-scope Scope object. + * @param {Variable[]} unusedVars an array that saving result. + * @returns {Variable[]} unused variables of the scope and descendant scopes. + * @private + */ + function collectUnusedVariables(scope, unusedVars) { + const variables = scope.variables; + const childScopes = scope.childScopes; + let i, l; + + if (scope.type !== "global" || config.vars === "all") { + for (i = 0, l = variables.length; i < l; ++i) { + const variable = variables[i]; + + // skip a variable of class itself name in the class scope + if ( + scope.type === "class" && + scope.block.id === variable.identifiers[0] + ) { + continue; + } + + // skip function expression names + if (scope.functionExpressionScope) { + continue; + } + + // skip variables marked with markVariableAsUsed() + if ( + !config.reportUsedIgnorePattern && + variable.eslintUsed + ) { + continue; + } + + // skip implicit "arguments" variable + if ( + scope.type === "function" && + variable.name === "arguments" && + variable.identifiers.length === 0 + ) { + continue; + } + + // explicit global variables don't have definitions. + const def = variable.defs[0]; + + if (def) { + const type = def.type; + const refUsedInArrayPatterns = variable.references.some( + ref => + ref.identifier.parent.type === "ArrayPattern", + ); + + // skip elements of array destructuring patterns + if ( + (def.name.parent.type === "ArrayPattern" || + refUsedInArrayPatterns) && + config.destructuredArrayIgnorePattern && + config.destructuredArrayIgnorePattern.test( + def.name.name, + ) + ) { + if ( + config.reportUsedIgnorePattern && + isUsedVariable(variable) + ) { + context.report({ + node: def.name, + messageId: "usedIgnoredVar", + data: getUsedIgnoredMessageData( + variable, + "array-destructure", + ), + }); + } + + continue; + } + + if (type === "ClassName") { + const hasStaticBlock = def.node.body.body.some( + node => node.type === "StaticBlock", + ); + + if ( + config.ignoreClassWithStaticInitBlock && + hasStaticBlock + ) { + continue; + } + } + + // skip catch variables + if (type === "CatchClause") { + if (config.caughtErrors === "none") { + continue; + } + + // skip ignored parameters + if ( + config.caughtErrorsIgnorePattern && + config.caughtErrorsIgnorePattern.test( + def.name.name, + ) + ) { + if ( + config.reportUsedIgnorePattern && + isUsedVariable(variable) + ) { + context.report({ + node: def.name, + messageId: "usedIgnoredVar", + data: getUsedIgnoredMessageData( + variable, + "catch-clause", + ), + }); + } + + continue; + } + } else if (type === "Parameter") { + // skip any setter argument + if ( + (def.node.parent.type === "Property" || + def.node.parent.type === + "MethodDefinition") && + def.node.parent.kind === "set" + ) { + continue; + } + + // if "args" option is "none", skip any parameter + if (config.args === "none") { + continue; + } + + // skip ignored parameters + if ( + config.argsIgnorePattern && + config.argsIgnorePattern.test(def.name.name) + ) { + if ( + config.reportUsedIgnorePattern && + isUsedVariable(variable) + ) { + context.report({ + node: def.name, + messageId: "usedIgnoredVar", + data: getUsedIgnoredMessageData( + variable, + "parameter", + ), + }); + } + + continue; + } + + // if "args" option is "after-used", skip used variables + if ( + config.args === "after-used" && + astUtils.isFunction(def.name.parent) && + !isAfterLastUsedArg(variable) + ) { + continue; + } + } else { + // skip ignored variables + if ( + config.varsIgnorePattern && + config.varsIgnorePattern.test(def.name.name) + ) { + if ( + config.reportUsedIgnorePattern && + isUsedVariable(variable) + ) { + context.report({ + node: def.name, + messageId: "usedIgnoredVar", + data: getUsedIgnoredMessageData( + variable, + "variable", + ), + }); + } + + continue; + } + } + } + + if ( + !isUsedVariable(variable) && + !isExported(variable) && + !( + config.ignoreUsingDeclarations && + usesExplicitResourceManagement(variable) + ) && + !hasRestSpreadSibling(variable) + ) { + unusedVars.push(variable); + } + } + } + + for (i = 0, l = childScopes.length; i < l; ++i) { + collectUnusedVariables(childScopes[i], unusedVars); + } + + return unusedVars; + } + + /** + * fixes unused variables + * @param {Object} fixer fixer object + * @param {Object} unusedVar unused variable to fix + * @returns {Object} fixer object + */ + function handleFixes(fixer, unusedVar) { + const id = unusedVar.identifiers[0]; + const parent = id.parent; + const parentType = parent.type; + const tokenBefore = sourceCode.getTokenBefore(id); + const tokenAfter = sourceCode.getTokenAfter(id); + const isFunction = astUtils.isFunction; + const isLoop = astUtils.isLoop; + const allWriteReferences = unusedVar.references.filter(ref => + ref.isWrite(), + ); + + /** + * get range from token before of a given node + * @param {ASTNode} node node of identifier + * @param {number} skips number of token to skip + * @returns {number} start range of token before the identifier + */ + function getPreviousTokenStart(node, skips) { + return sourceCode.getTokenBefore(node, skips).range[0]; + } + + /** + * get range to token after of a given node + * @param {ASTNode} node node of identifier + * @param {number} skips number of token to skip + * @returns {number} end range of token after the identifier + */ + function getNextTokenEnd(node, skips) { + return sourceCode.getTokenAfter(node, skips).range[1]; + } + + /** + * get the value of token before of a given node + * @param {ASTNode} node node of identifier + * @returns {string} value of token before the identifier + */ + function getTokenBeforeValue(node) { + return sourceCode.getTokenBefore(node).value; + } + + /** + * get the value of token after of a given node + * @param {ASTNode} node node of identifier + * @returns {string} value of token after the identifier + */ + function getTokenAfterValue(node) { + return sourceCode.getTokenAfter(node).value; + } + + /** + * Check if an array has a single element with null as other element. + * @param {ASTNode} node ArrayPattern node + * @returns {boolean} true if array has single element with other null elements + */ + function hasSingleElement(node) { + return node.elements.filter(e => e !== null).length === 1; + } + + /** + * check whether import specifier has an import of particular type + * @param {ASTNode} node ImportDeclaration node + * @param {string} type type of import to check + * @returns {boolean} true if import specifier has import of specified type + */ + function hasImportOfCertainType(node, type) { + return node.specifiers.some(e => e.type === type); + } + + /** + * Check whether declaration is safe to remove or not + * @param {ASTNode} nextToken next token of unused variable + * @param {ASTNode} prevToken previous token of unused variable + * @returns {boolean} true if declaration is not safe to remove + */ + function isDeclarationNotSafeToRemove(nextToken, prevToken) { + return ( + nextToken.type === "String" || + (prevToken && + !astUtils.isSemicolonToken(prevToken) && + !astUtils.isOpeningBraceToken(prevToken)) + ); + } + + /** + * give fixes for unused variables in function parameters + * @param {ASTNode} node node to check + * @returns {Object} fixer object + */ + function fixFunctionParameters(node) { + const parentNode = node.parent; + + if (isFunction(parentNode)) { + // remove unused function parameter if there is only a single parameter + if (parentNode.params.length === 1) { + return fixer.removeRange(node.range); + } + + // remove first unused function parameter when there are multiple parameters + if ( + getTokenBeforeValue(node) === "(" && + getTokenAfterValue(node) === "," + ) { + return fixer.removeRange([ + node.range[0], + getNextTokenEnd(node), + ]); + } + + // remove unused function parameters except first one when there are multiple parameters + return fixer.removeRange([ + getPreviousTokenStart(node), + node.range[1], + ]); + } + + return null; + } + + /** + * fix unused variable declarations and function parameters + * @param {ASTNode} node parent node to identifier + * @returns {Object} fixer object + */ + function fixVariables(node) { + const parentNode = node.parent; + + // remove unused declared variables such as var a = b; or var a = b, c; + if (parentNode.type === "VariableDeclarator") { + // skip variable in for (const [ foo ] of bar); + if (isLoop(parentNode.parent.parent)) { + return null; + } + + /* + * remove unused declared variable with single declaration such as 'var a = b;' + * remove complete declaration when there is an unused variable in 'const { a } = foo;', same for arrays. + */ + if (parentNode.parent.declarations.length === 1) { + // if next token is a string it could become a directive if node is removed -> no suggestion. + const nextToken = sourceCode.getTokenAfter( + parentNode.parent, + ); + + // if previous token exists and is not ";" or "{" not sure about ASI rules -> no suggestion. + const prevToken = sourceCode.getTokenBefore( + parentNode.parent, + ); + + if ( + nextToken && + isDeclarationNotSafeToRemove(nextToken, prevToken) + ) { + return null; + } + + return fixer.removeRange(parentNode.parent.range); + } + + /* + * remove unused declared variable with multiple declaration except first one such as 'var a = b, c = d;' + * fix 'let bar = "hello", { a } = foo;' to 'let bar = "hello";' if 'a' is unused, same for arrays. + */ + if (getTokenBeforeValue(parentNode) === ",") { + return fixer.removeRange([ + getPreviousTokenStart(parentNode), + parentNode.range[1], + ]); + } + + /* + * remove first unused declared variable when there are multiple declarations + * fix 'let { a } = foo, bar = "hello";' to 'let bar = "hello";' if 'a' is unused, same for arrays. + */ + return fixer.removeRange([ + parentNode.range[0], + getNextTokenEnd(parentNode), + ]); + } + + // fixes [{a: {k}}], [{a: [k]}] + if (getTokenBeforeValue(node) === ":") { + if (parentNode.parent.type === "ObjectPattern") { + // eslint-disable-next-line no-use-before-define -- due to interdependency of functions + return fixObjectWithValueSeparator(node); + } + } + + // fix unused function parameters + return fixFunctionParameters(node); + } + + /** + * fix nested object like { a: { b } } + * @param {ASTNode} node parent node to check + * @returns {Object} fixer object + */ + function fixNestedObjectVariable(node) { + const parentNode = node.parent; + + // fix for { a: { b: { c: { d } } } } + if ( + parentNode.parent.parent.parent.type === "ObjectPattern" && + parentNode.parent.properties.length === 1 + ) { + return fixNestedObjectVariable(parentNode.parent); + } + + // fix for { a: { b } } + if (parentNode.parent.type === "ObjectPattern") { + // fix for unused variables in destructured object with single property in variable declaration and function parameter + if (parentNode.parent.properties.length === 1) { + return fixVariables(parentNode.parent); + } + + // fix for first unused property when there are multiple properties such as '{ a: { b }, c }' + if (getTokenBeforeValue(parentNode) === "{") { + return fixer.removeRange([ + parentNode.range[0], + getNextTokenEnd(parentNode), + ]); + } + + // fix for unused property except first one when there are multiple properties such as '{ k, a: { b } }' + return fixer.removeRange([ + getPreviousTokenStart(parentNode), + parentNode.range[1], + ]); + } + + return null; + } + + /** + * fix unused variables in array and nested array + * @param {ASTNode} node parent node to check + * @returns {Object} fixer object + */ + function fixNestedArrayVariable(node) { + const parentNode = node.parent; + + // fix for nested arrays [[ a ]] + if ( + parentNode.parent.type === "ArrayPattern" && + hasSingleElement(parentNode) + ) { + return fixNestedArrayVariable(parentNode); + } + + if (hasSingleElement(parentNode)) { + // fixes { a: [{ b }] } or { a: [[ b ]] } + if (getTokenBeforeValue(parentNode) === ":") { + return fixVariables(parentNode); + } + + // fixes [a, ...[[ b ]]] or [a, ...[{ b }]] + if (parentNode.parent.type === "RestElement") { + // eslint-disable-next-line no-use-before-define -- due to interdependency of functions + return fixRestInPattern(parentNode.parent); + } + + // fix unused variables in destructured array in variable declaration or function parameter + return fixVariables(parentNode); + } + + // remove last unused array element + if ( + getTokenBeforeValue(node) === "," && + getTokenAfterValue(node) === "]" + ) { + return fixer.removeRange([ + getPreviousTokenStart(node), + node.range[1], + ]); + } + + // remove unused array element + return fixer.removeRange(node.range); + } + + /** + * fix cases like {a: {k}} or {a: [k]} + * @param {ASTNode} node parent node to check + * @returns {Object} fixer object + */ + function fixObjectWithValueSeparator(node) { + const parentNode = node.parent.parent; + + // fix cases like [{a : { b }}] or [{a : [ b ]}] + if ( + parentNode.parent.type === "ArrayPattern" && + parentNode.properties.length === 1 + ) { + return fixNestedArrayVariable(parentNode); + } + + // fix cases like {a: {k}} or {a: [k]} + return fixNestedObjectVariable(node); + } + + /** + * fix ...[[a]] or ...[{a}] like patterns + * @param {ASTNode} node parent node to check + * @returns {Object} fixer object + */ + function fixRestInPattern(node) { + const parentNode = node.parent; + + // fix ...[[a]] or ...[{a}] in function parameters + if (isFunction(parentNode)) { + if (parentNode.params.length === 1) { + return fixer.removeRange(node.range); + } + + return fixer.removeRange([ + getPreviousTokenStart(node), + node.range[1], + ]); + } + + // fix rest in nested array pattern like [[a, ...[b]]] + if (parentNode.type === "ArrayPattern") { + // fix [[...[b]]] + if (hasSingleElement(parentNode)) { + if (parentNode.parent.type === "ArrayPattern") { + return fixNestedArrayVariable(parentNode); + } + + // fix 'const [...[b]] = foo; and function foo([...[b]]) {} + return fixVariables(parentNode); + } + + // fix [[a, ...[b]]] + return fixer.removeRange([ + getPreviousTokenStart(node), + node.range[1], + ]); + } + + return null; + } + + // skip fix when variable has references that would be left behind + if ( + allWriteReferences.some( + ref => ref.identifier.range[0] !== id.range[0], + ) + ) { + return null; + } + + // remove declared variables such as var a; or var a, b; + if (parentType === "VariableDeclarator") { + if (parent.parent.declarations.length === 1) { + // prevent fix of variable in forOf and forIn loops. + if ( + isLoop(parent.parent.parent) && + parent.parent.parent.body !== parent.parent + ) { + return null; + } + + // removes only variable not semicolon in 'if (foo()) var bar;' or in 'loops' or in 'with' statement. + if ( + parent.parent.parent.type === "IfStatement" || + isLoop(parent.parent.parent) || + (parent.parent.parent.type === "WithStatement" && + parent.parent.parent.body === parent.parent) + ) { + return fixer.replaceText(parent.parent, ";"); + } + + // if next token is a string it could become a directive if node is removed -> no suggestion. + const nextToken = sourceCode.getTokenAfter(parent.parent); + + // if previous token exists and is not ";" or "{" not sure about ASI rules -> no suggestion. + const prevToken = sourceCode.getTokenBefore(parent.parent); + + if ( + nextToken && + isDeclarationNotSafeToRemove(nextToken, prevToken) + ) { + return null; + } + + // remove unused declared variable with single declaration like 'var a = b;' + return fixer.removeRange(parent.parent.range); + } + + // remove unused declared variable with multiple declaration except first one like 'var a = b, c = d;' + if (tokenBefore.value === ",") { + return fixer.removeRange([ + tokenBefore.range[0], + parent.range[1], + ]); + } + + // remove first unused declared variable when there are multiple declarations + return fixer.removeRange([ + parent.range[0], + getNextTokenEnd(parent), + ]); + } + + // remove variables in object patterns + if (parent.parent.type === "ObjectPattern") { + if (parent.parent.properties.length === 1) { + // fix [a, ...{b}] + if (parent.parent.parent.type === "RestElement") { + return fixRestInPattern(parent.parent.parent); + } + + // fix [{ a }] + if (parent.parent.parent.type === "ArrayPattern") { + return fixNestedArrayVariable(parent.parent); + } + + /* + * var {a} = foo; + * function a({a}) {} + * fix const { a: { b } } = foo; + */ + return fixVariables(parent.parent); + } + + // fix const { a:b } = foo; + if (tokenBefore.value === ":") { + // remove first unused variable in const { a:b } = foo; + if ( + getTokenBeforeValue(parent) === "{" && + getTokenAfterValue(parent) === "," + ) { + return fixer.removeRange([ + parent.range[0], + getNextTokenEnd(parent), + ]); + } + + // remove unused variables in const { a: b, c: d } = foo; except first one + return fixer.removeRange([ + getPreviousTokenStart(parent), + id.range[1], + ]); + } + } + + // remove unused variables inside an array + if (parentType === "ArrayPattern") { + if (hasSingleElement(parent)) { + // fix [a, ...[b]] + if (parent.parent.type === "RestElement") { + return fixRestInPattern(parent.parent); + } + + // fix [ [a] ] + if (parent.parent.type === "ArrayPattern") { + return fixNestedArrayVariable(parent); + } + + /* + * fix var [a] = foo; + * fix function foo([a]) {} + * fix const { a: [b] } = foo; + */ + return fixVariables(parent); + } + + // if "a" is unused in [a, b ,c] fixes to [, b, c] + if (tokenBefore.value === "," && tokenAfter.value === ",") { + return fixer.removeRange(id.range); + } + } + + // remove unused rest elements + if (parentType === "RestElement") { + // fix [a, ...rest] + if (parent.parent.type === "ArrayPattern") { + if (hasSingleElement(parent.parent)) { + // fix [[...rest]] when there is only rest element + if (parent.parent.parent.type === "ArrayPattern") { + return fixNestedArrayVariable(parent.parent); + } + + // fix 'const [...rest] = foo;' and 'function foo([...rest]) {}' + return fixVariables(parent.parent); + } + + // fix [a, ...rest] + return fixer.removeRange([ + getPreviousTokenStart(id, 1), + id.range[1], + ]); + } + + // fix { a, ...rest} + if (parent.parent.type === "ObjectPattern") { + // fix 'const {...rest} = foo;' and 'function foo({...rest}) {}' + if (parent.parent.properties.length === 1) { + return fixVariables(parent.parent); + } + + // fix { a, ...rest} when there are multiple properties + return fixer.removeRange([ + getPreviousTokenStart(id, 1), + id.range[1], + ]); + } + + // fix function foo(...rest) {} + if (isFunction(parent.parent)) { + // remove unused rest in function parameter if there is only single parameter + if (parent.parent.params.length === 1) { + return fixer.removeRange(parent.range); + } + + // remove unused rest in function parameter if there multiple parameter + return fixer.removeRange([ + getPreviousTokenStart(parent), + parent.range[1], + ]); + } + } + + if (parentType === "AssignmentPattern") { + // fix [a = aDefault] + if (parent.parent.type === "ArrayPattern") { + return fixNestedArrayVariable(parent); + } + + // fix {a = aDefault} + if (parent.parent.parent.type === "ObjectPattern") { + if (parent.parent.parent.properties.length === 1) { + // fixes [{a = aDefault}] + if ( + parent.parent.parent.parent.type === "ArrayPattern" + ) { + return fixNestedArrayVariable(parent.parent.parent); + } + + // fix 'const {a = aDefault} = foo;' and 'function foo({a = aDefault}) {}' + return fixVariables(parent.parent.parent); + } + + // fix unused 'a' in {a = aDefault} if it is the first property + if ( + getTokenBeforeValue(parent.parent) === "{" && + getTokenAfterValue(parent.parent) === "," + ) { + return fixer.removeRange([ + parent.parent.range[0], + getNextTokenEnd(parent.parent), + ]); + } + + // fix unused 'b' in {a, b = aDefault} if it is not the first property + return fixer.removeRange([ + getPreviousTokenStart(parent.parent), + parent.parent.range[1], + ]); + } + + // fix unused assignment patterns in function parameters + if (isFunction(parent.parent)) { + return fixFunctionParameters(parent); + } + } + + // remove unused functions + if (parentType === "FunctionDeclaration" && parent.id === id) { + return fixer.removeRange(parent.range); + } + + // remove unused default import + if (parentType === "ImportDefaultSpecifier") { + // remove unused default import when there are not other imports + if ( + !hasImportOfCertainType(parent.parent, "ImportSpecifier") && + !hasImportOfCertainType( + parent.parent, + "ImportNamespaceSpecifier", + ) + ) { + return fixer.removeRange([ + parent.range[0], + parent.parent.source.range[0], + ]); + } + + // remove unused default import when there are other imports also + return fixer.removeRange([id.range[0], tokenAfter.range[1]]); + } + + if (parentType === "ImportSpecifier") { + // remove unused imports when there is a single import + if ( + parent.parent.specifiers.filter( + e => e.type === "ImportSpecifier", + ).length === 1 + ) { + // remove unused import when there is no default import + if ( + !hasImportOfCertainType( + parent.parent, + "ImportDefaultSpecifier", + ) + ) { + return fixer.removeRange(parent.parent.range); + } + + // fixes "import foo from 'module';" to "import 'module';" + return fixer.removeRange([ + getPreviousTokenStart(parent, 1), + tokenAfter.range[1], + ]); + } + + if (getTokenBeforeValue(parent) === "{") { + return fixer.removeRange([ + parent.range[0], + getNextTokenEnd(parent), + ]); + } + + return fixer.removeRange([ + getPreviousTokenStart(parent), + parent.range[1], + ]); + } + + if (parentType === "ImportNamespaceSpecifier") { + if ( + hasImportOfCertainType( + parent.parent, + "ImportDefaultSpecifier", + ) + ) { + return fixer.removeRange([ + getPreviousTokenStart(parent), + parent.range[1], + ]); + } + + // fixes "import * as foo from 'module';" to "import 'module';" + return fixer.removeRange([ + parent.range[0], + parent.parent.source.range[0], + ]); + } + + // skip error in catch(error) variable + if (parentType === "CatchClause") { + return null; + } + + // remove unused declared classes + if (parentType === "ClassDeclaration") { + return fixer.removeRange(parent.range); + } + + // remove unused variable that is in a sequence [a,b] fixes to [a] + if (tokenBefore?.value === ",") { + return fixer.removeRange([tokenBefore.range[0], id.range[1]]); + } + + // remove unused variable that is in a sequence inside function arguments and object pattern + if (tokenAfter.value === ",") { + // fix function foo(a, b) {} + if (tokenBefore.value === "(") { + return fixer.removeRange([ + id.range[0], + tokenAfter.range[1], + ]); + } + + // fix const {a, b} = foo; + if (tokenBefore.value === "{") { + return fixer.removeRange([ + id.range[0], + tokenAfter.range[1], + ]); + } + } + + if ( + parentType === "ArrowFunctionExpression" && + parent.params.length === 1 && + tokenAfter?.value !== ")" + ) { + return fixer.replaceText(id, "()"); + } + + return fixer.removeRange(id.range); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + "Program:exit"(programNode) { + const unusedVars = collectUnusedVariables( + sourceCode.getScope(programNode), + [], + ); + + for (let i = 0, l = unusedVars.length; i < l; ++i) { + const unusedVar = unusedVars[i]; + + // Report the first declaration. + if (unusedVar.defs.length > 0) { + // report last write reference, https://github.com/eslint/eslint/issues/14324 + const writeReferences = unusedVar.references.filter( + ref => + ref.isWrite() && + ref.from.variableScope === + unusedVar.scope.variableScope, + ); + + let referenceToReport; + + if (writeReferences.length > 0) { + referenceToReport = writeReferences.at(-1); + } + + context.report({ + node: referenceToReport + ? referenceToReport.identifier + : unusedVar.identifiers[0], + messageId: "unusedVar", + data: unusedVar.references.some(ref => + ref.isWrite(), + ) + ? getAssignedMessageData(unusedVar) + : getDefinedMessageData(unusedVar), + suggest: [ + { + messageId: "removeVar", + data: { + varName: unusedVar.name, + }, + fix(fixer) { + return handleFixes(fixer, unusedVar); + }, + }, + ], + }); + + // If there are no regular declaration, report the first `/*globals*/` comment directive. + } else if (unusedVar.eslintExplicitGlobalComments) { + const directiveComment = + unusedVar.eslintExplicitGlobalComments[0]; + + context.report({ + node: programNode, + loc: astUtils.getNameLocationInGlobalDirectiveComment( + sourceCode, + directiveComment, + unusedVar.name, + ), + messageId: "unusedVar", + data: getDefinedMessageData(unusedVar), + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-use-before-define.js b/module/node_modules/eslint/lib/rules/no-use-before-define.js new file mode 100644 index 000000000..870a36798 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-use-before-define.js @@ -0,0 +1,446 @@ +/** + * @fileoverview Rule to flag use of variables before they are defined + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const SENTINEL_TYPE = + /^(?:(?:Function|Class)(?:Declaration|Expression)|ArrowFunctionExpression|CatchClause|ImportDeclaration|ExportNamedDeclaration)$/u; +const FOR_IN_OF_TYPE = /^For(?:In|Of)Statement$/u; + +/** + * Parses a given value as options. + * @param {any} options A value to parse. + * @returns {Object} The parsed options. + */ +function parseOptions(options) { + if (typeof options === "object" && options !== null) { + return options; + } + + const functions = typeof options === "string" ? options !== "nofunc" : true; + + return { + functions, + classes: true, + variables: true, + allowNamedExports: false, + enums: true, + typedefs: true, + ignoreTypeReferences: true, + }; +} + +/** + * Checks whether or not a given location is inside of the range of a given node. + * @param {ASTNode} node An node to check. + * @param {number} location A location to check. + * @returns {boolean} `true` if the location is inside of the range of the node. + */ +function isInRange(node, location) { + return node && node.range[0] <= location && location <= node.range[1]; +} + +/** + * Checks whether or not a given location is inside of the range of a class static initializer. + * Static initializers are static blocks and initializers of static fields. + * @param {ASTNode} node `ClassBody` node to check static initializers. + * @param {number} location A location to check. + * @returns {boolean} `true` if the location is inside of a class static initializer. + */ +function isInClassStaticInitializerRange(node, location) { + return node.body.some( + classMember => + (classMember.type === "StaticBlock" && + isInRange(classMember, location)) || + (classMember.type === "PropertyDefinition" && + classMember.static && + classMember.value && + isInRange(classMember.value, location)), + ); +} + +/** + * Checks whether a given scope is the scope of a class static initializer. + * Static initializers are static blocks and initializers of static fields. + * @param {eslint-scope.Scope} scope A scope to check. + * @returns {boolean} `true` if the scope is a class static initializer scope. + */ +function isClassStaticInitializerScope(scope) { + if (scope.type === "class-static-block") { + return true; + } + + if (scope.type === "class-field-initializer") { + // `scope.block` is PropertyDefinition#value node + const propertyDefinition = scope.block.parent; + + return propertyDefinition.static; + } + + return false; +} + +/** + * Checks whether a given reference is evaluated in an execution context + * that isn't the one where the variable it refers to is defined. + * Execution contexts are: + * - top-level + * - functions + * - class field initializers (implicit functions) + * - class static blocks (implicit functions) + * Static class field initializers and class static blocks are automatically run during the class definition evaluation, + * and therefore we'll consider them as a part of the parent execution context. + * Example: + * + * const x = 1; + * + * x; // returns `false` + * () => x; // returns `true` + * + * class C { + * field = x; // returns `true` + * static field = x; // returns `false` + * + * method() { + * x; // returns `true` + * } + * + * static method() { + * x; // returns `true` + * } + * + * static { + * x; // returns `false` + * } + * } + * @param {eslint-scope.Reference} reference A reference to check. + * @returns {boolean} `true` if the reference is from a separate execution context. + */ +function isFromSeparateExecutionContext(reference) { + const variable = reference.resolved; + let scope = reference.from; + + // Scope#variableScope represents execution context + while (variable.scope.variableScope !== scope.variableScope) { + if (isClassStaticInitializerScope(scope.variableScope)) { + scope = scope.variableScope.upper; + } else { + return true; + } + } + + return false; +} + +/** + * Checks whether or not a given reference is evaluated during the initialization of its variable. + * + * This returns `true` in the following cases: + * + * var a = a + * var [a = a] = list + * var {a = a} = obj + * for (var a in a) {} + * for (var a of a) {} + * var C = class { [C]; }; + * var C = class { static foo = C; }; + * var C = class { static { foo = C; } }; + * class C extends C {} + * class C extends (class { static foo = C; }) {} + * class C { [C]; } + * @param {Reference} reference A reference to check. + * @returns {boolean} `true` if the reference is evaluated during the initialization. + */ +function isEvaluatedDuringInitialization(reference) { + if (isFromSeparateExecutionContext(reference)) { + /* + * Even if the reference appears in the initializer, it isn't evaluated during the initialization. + * For example, `const x = () => x;` is valid. + */ + return false; + } + + const location = reference.identifier.range[1]; + const definition = reference.resolved.defs[0]; + + if (definition.type === "ClassName") { + // `ClassDeclaration` or `ClassExpression` + const classDefinition = definition.node; + + return ( + isInRange(classDefinition, location) && + /* + * Class binding is initialized before running static initializers. + * For example, `class C { static foo = C; static { bar = C; } }` is valid. + */ + !isInClassStaticInitializerRange(classDefinition.body, location) + ); + } + + let node = definition.name.parent; + + while (node) { + if (node.type === "VariableDeclarator") { + if (isInRange(node.init, location)) { + return true; + } + if ( + FOR_IN_OF_TYPE.test(node.parent.parent.type) && + isInRange(node.parent.parent.right, location) + ) { + return true; + } + break; + } else if (node.type === "AssignmentPattern") { + if (isInRange(node.right, location)) { + return true; + } + } else if (SENTINEL_TYPE.test(node.type)) { + break; + } + + node = node.parent; + } + + return false; +} + +/** + * check whether the reference contains a type query. + * @param {ASTNode} node Identifier node to check. + * @returns {boolean} true if reference contains type query. + */ +function referenceContainsTypeQuery(node) { + switch (node.type) { + case "TSTypeQuery": + return true; + + case "TSQualifiedName": + case "Identifier": + return referenceContainsTypeQuery(node.parent); + + default: + // if we find a different node, there's no chance that we're in a TSTypeQuery + return false; + } +} + +/** + * Decorators are transpiled such that the decorator is placed after the class declaration + * So it is considered safe + * @param {Variable} variable The variable to check. + * @param {Reference} reference The reference to check. + * @returns {boolean} `true` if the reference is in a class decorator. + */ +function isClassRefInClassDecorator(variable, reference) { + if (variable.defs[0].type !== "ClassName") { + return false; + } + + if ( + !variable.defs[0].node.decorators || + variable.defs[0].node.decorators.length === 0 + ) { + return false; + } + + for (const deco of variable.defs[0].node.decorators) { + if ( + reference.identifier.range[0] >= deco.range[0] && + reference.identifier.range[1] <= deco.range[1] + ) { + return true; + } + } + + return false; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + dialects: ["javascript", "typescript"], + language: "javascript", + type: "problem", + + docs: { + description: + "Disallow the use of variables before they are defined", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-use-before-define", + }, + + schema: [ + { + oneOf: [ + { + enum: ["nofunc"], + }, + { + type: "object", + properties: { + functions: { type: "boolean" }, + classes: { type: "boolean" }, + variables: { type: "boolean" }, + allowNamedExports: { type: "boolean" }, + enums: { type: "boolean" }, + typedefs: { type: "boolean" }, + ignoreTypeReferences: { type: "boolean" }, + }, + additionalProperties: false, + }, + ], + }, + ], + + defaultOptions: [ + { + classes: true, + functions: true, + variables: true, + allowNamedExports: false, + enums: true, + typedefs: true, + ignoreTypeReferences: true, + }, + ], + + messages: { + usedBeforeDefined: "'{{name}}' was used before it was defined.", + }, + }, + + create(context) { + const options = parseOptions(context.options[0]); + const sourceCode = context.sourceCode; + + /** + * Determines whether a given reference should be checked. + * + * Returns `false` if the reference is: + * - initialization's (e.g., `let a = 1`). + * - referring to an undefined variable (i.e., if it's an unresolved reference). + * - referring to a variable that is defined, but not in the given source code + * (e.g., global environment variable or `arguments` in functions). + * - allowed by options. + * @param {eslint-scope.Reference} reference The reference + * @returns {boolean} `true` if the reference should be checked + */ + function shouldCheck(reference) { + if (reference.init) { + return false; + } + + const { identifier } = reference; + + if ( + options.allowNamedExports && + identifier.parent.type === "ExportSpecifier" && + identifier.parent.local === identifier + ) { + return false; + } + + const variable = reference.resolved; + + if (!variable || variable.defs.length === 0) { + return false; + } + + const definitionType = variable.defs[0].type; + + if (!options.functions && definitionType === "FunctionName") { + return false; + } + + if ( + ((!options.variables && definitionType === "Variable") || + (!options.classes && definitionType === "ClassName")) && + // don't skip checking the reference if it's in the same execution context, because of TDZ + isFromSeparateExecutionContext(reference) + ) { + return false; + } + + if (!options.enums && definitionType === "TSEnumName") { + return false; + } + + if (!options.typedefs && definitionType === "Type") { + return false; + } + + if ( + options.ignoreTypeReferences && + (referenceContainsTypeQuery(identifier) || + identifier.parent.type === "TSTypeReference") + ) { + return false; + } + + // skip nested namespace aliases as variable references + if (identifier.parent.type === "TSQualifiedName") { + let currentNode = identifier.parent; + + while (currentNode.type === "TSQualifiedName") { + currentNode = currentNode.left; + } + + if (currentNode === identifier) { + return true; + } + + return false; + } + + if (isClassRefInClassDecorator(variable, reference)) { + return false; + } + + return true; + } + + /** + * Finds and validates all references in a given scope and its child scopes. + * @param {eslint-scope.Scope} scope The scope object. + * @returns {void} + */ + function checkReferencesInScope(scope) { + scope.references.filter(shouldCheck).forEach(reference => { + const variable = reference.resolved; + const definitionIdentifier = variable.defs[0].name; + + if ( + reference.identifier.range[1] < + definitionIdentifier.range[1] || + (isEvaluatedDuringInitialization(reference) && + reference.identifier.parent.type !== "TSTypeReference") + ) { + context.report({ + node: reference.identifier, + messageId: "usedBeforeDefined", + data: reference.identifier, + }); + } + }); + + scope.childScopes.forEach(checkReferencesInScope); + } + + return { + Program(node) { + checkReferencesInScope(sourceCode.getScope(node)); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-useless-assignment.js b/module/node_modules/eslint/lib/rules/no-useless-assignment.js new file mode 100644 index 000000000..786744634 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-useless-assignment.js @@ -0,0 +1,654 @@ +/** + * @fileoverview A rule to disallow unnecessary assignments`. + * @author Yosuke Ota + */ + +"use strict"; + +const { findVariable } = require("@eslint-community/eslint-utils"); + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @typedef {import("estree").Node} ASTNode */ +/** @typedef {import("estree").Pattern} Pattern */ +/** @typedef {import("estree").Identifier} Identifier */ +/** @typedef {import("estree").VariableDeclarator} VariableDeclarator */ +/** @typedef {import("estree").AssignmentExpression} AssignmentExpression */ +/** @typedef {import("estree").UpdateExpression} UpdateExpression */ +/** @typedef {import("estree").Expression} Expression */ +/** @typedef {import("eslint-scope").Scope} Scope */ +/** @typedef {import("eslint-scope").Variable} Variable */ +/** @typedef {import("../linter/code-path-analysis/code-path")} CodePath */ +/** @typedef {import("../linter/code-path-analysis/code-path-segment")} CodePathSegment */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Extract identifier from the given pattern node used on the left-hand side of the assignment. + * @param {Pattern} pattern The pattern node to extract identifier + * @returns {Iterable} The extracted identifier + */ +function* extractIdentifiersFromPattern(pattern) { + switch (pattern.type) { + case "Identifier": + yield pattern; + return; + case "ObjectPattern": + for (const property of pattern.properties) { + yield* extractIdentifiersFromPattern( + property.type === "Property" ? property.value : property, + ); + } + return; + case "ArrayPattern": + for (const element of pattern.elements) { + if (!element) { + continue; + } + yield* extractIdentifiersFromPattern(element); + } + return; + case "RestElement": + yield* extractIdentifiersFromPattern(pattern.argument); + return; + case "AssignmentPattern": + yield* extractIdentifiersFromPattern(pattern.left); + + // no default + } +} + +/** + * Checks whether the given identifier node is evaluated after the assignment identifier. + * @param {AssignmentInfo} assignment The assignment info. + * @param {Identifier} identifier The identifier to check. + * @returns {boolean} `true` if the given identifier node is evaluated after the assignment identifier. + */ +function isIdentifierEvaluatedAfterAssignment(assignment, identifier) { + if (identifier.range[0] < assignment.identifier.range[1]) { + return false; + } + if ( + assignment.expression && + assignment.expression.range[0] <= identifier.range[0] && + identifier.range[1] <= assignment.expression.range[1] + ) { + /* + * The identifier node is in an expression that is evaluated before the assignment. + * e.g. x = id; + * ^^ identifier to check + * ^ assignment identifier + */ + return false; + } + + /* + * e.g. + * x = 42; id; + * ^^ identifier to check + * ^ assignment identifier + * let { x, y = id } = obj; + * ^^ identifier to check + * ^ assignment identifier + */ + return true; +} + +/** + * Checks whether the given identifier node is used between the assigned identifier and the equal sign. + * + * e.g. let { x, y = x } = obj; + * ^ identifier to check + * ^ assigned identifier + * @param {AssignmentInfo} assignment The assignment info. + * @param {Identifier} identifier The identifier to check. + * @returns {boolean} `true` if the given identifier node is used between the assigned identifier and the equal sign. + */ +function isIdentifierUsedBetweenAssignedAndEqualSign(assignment, identifier) { + if (!assignment.expression) { + return false; + } + return ( + assignment.identifier.range[1] <= identifier.range[0] && + identifier.range[1] <= assignment.expression.range[0] + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow variable assignments when the value is not used", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-useless-assignment", + }, + + schema: [], + + messages: { + unnecessaryAssignment: + "This assigned value is not used in subsequent statements.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * @typedef {Object} ScopeStack + * @property {CodePath} codePath The code path of this scope stack. + * @property {Scope} scope The scope of this scope stack. + * @property {ScopeStack} upper The upper scope stack. + * @property {Record} segments The map of ScopeStackSegmentInfo. + * @property {Set} currentSegments The current CodePathSegments. + * @property {Map} assignments The map of list of AssignmentInfo for each variable. + * @property {Array} tryStatementBlocks The array of TryStatement block nodes in this scope stack. + */ + /** + * @typedef {Object} ScopeStackSegmentInfo + * @property {CodePathSegment} segment The code path segment. + * @property {Identifier|null} first The first identifier that appears within the segment. + * @property {Identifier|null} last The last identifier that appears within the segment. + * `first` and `last` are used to determine whether an identifier exists within the segment position range. + * Since it is used as a range of segments, we should originally hold all nodes, not just identifiers, + * but since the only nodes to be judged are identifiers, it is sufficient to have a range of identifiers. + */ + /** + * @typedef {Object} AssignmentInfo + * @property {Variable} variable The variable that is assigned. + * @property {Identifier} identifier The identifier that is assigned. + * @property {VariableDeclarator|AssignmentExpression|UpdateExpression} node The node where the variable was updated. + * @property {Expression|null} expression The expression that is evaluated before the assignment. + * @property {CodePathSegment[]} segments The code path segments where the assignment was made. + */ + + /** @type {ScopeStack} */ + let scopeStack = null; + + /** @type {Set} */ + const codePathStartScopes = new Set(); + + /** + * Gets the scope of code path start from given scope + * @param {Scope} scope The initial scope + * @returns {Scope} The scope of code path start + * @throws {Error} Unexpected error + */ + function getCodePathStartScope(scope) { + let target = scope; + + while (target) { + if (codePathStartScopes.has(target)) { + return target; + } + target = target.upper; + } + + // Should be unreachable + return null; + } + + /** + * Verify the given scope stack. + * @param {ScopeStack} target The scope stack to verify. + * @returns {void} + */ + function verify(target) { + /** + * Checks whether the given identifier is used in the segment. + * @param {CodePathSegment} segment The code path segment. + * @param {Identifier} identifier The identifier to check. + * @returns {boolean} `true` if the identifier is used in the segment. + */ + function isIdentifierUsedInSegment(segment, identifier) { + const segmentInfo = target.segments[segment.id]; + + return ( + segmentInfo.first && + segmentInfo.last && + segmentInfo.first.range[0] <= identifier.range[0] && + identifier.range[1] <= segmentInfo.last.range[1] + ); + } + + /** + * Verifies whether the given assignment info is an used assignment. + * Report if it is an unused assignment. + * @param {AssignmentInfo} targetAssignment The assignment info to verify. + * @param {AssignmentInfo[]} allAssignments The list of all assignment info for variables. + * @returns {void} + */ + function verifyAssignmentIsUsed(targetAssignment, allAssignments) { + // Skip assignment if it is in a try block. + const isAssignmentInTryBlock = target.tryStatementBlocks.some( + tryBlock => + tryBlock.range[0] <= + targetAssignment.identifier.range[0] && + targetAssignment.identifier.range[1] <= + tryBlock.range[1], + ); + + if (isAssignmentInTryBlock) { + return; + } + + /** + * @typedef {Object} SubsequentSegmentData + * @property {CodePathSegment} segment The code path segment + * @property {AssignmentInfo} [assignment] The first occurrence of the assignment within the segment. + * There is no need to check if the variable is used after this assignment, + * as the value it was assigned will be used. + */ + + /** + * Information used in `getSubsequentSegments()`. + * To avoid unnecessary iterations, cache information that has already been iterated over, + * and if additional iterations are needed, start iterating from the retained position. + */ + const subsequentSegmentData = { + /** + * Cache of subsequent segment information list that have already been iterated. + * @type {SubsequentSegmentData[]} + */ + results: [], + + /** + * Subsequent segments that have already been iterated on. Used to avoid infinite loops. + * @type {Set} + */ + subsequentSegments: new Set(), + + /** + * Unexplored code path segment. + * If additional iterations are needed, consume this information and iterate. + * @type {CodePathSegment[]} + */ + queueSegments: targetAssignment.segments.flatMap( + segment => segment.nextSegments, + ), + }; + + /** + * Gets the subsequent segments from the segment of + * the assignment currently being validated (targetAssignment). + * @returns {Iterable} the subsequent segments + */ + function* getSubsequentSegments() { + yield* subsequentSegmentData.results; + + while (subsequentSegmentData.queueSegments.length > 0) { + const nextSegment = + subsequentSegmentData.queueSegments.shift(); + + if ( + subsequentSegmentData.subsequentSegments.has( + nextSegment, + ) + ) { + continue; + } + subsequentSegmentData.subsequentSegments.add( + nextSegment, + ); + + const assignmentInSegment = allAssignments.find( + otherAssignment => + otherAssignment.segments.includes( + nextSegment, + ) && + !isIdentifierUsedBetweenAssignedAndEqualSign( + otherAssignment, + targetAssignment.identifier, + ), + ); + + if (!assignmentInSegment) { + /* + * Stores the next segment to explore. + * If `assignmentInSegment` exists, + * we are guarding it because we don't need to explore the next segment. + */ + subsequentSegmentData.queueSegments.push( + ...nextSegment.nextSegments, + ); + } + + /** @type {SubsequentSegmentData} */ + const result = { + segment: nextSegment, + assignment: assignmentInSegment, + }; + + subsequentSegmentData.results.push(result); + yield result; + } + } + + if ( + targetAssignment.variable.references.some( + ref => ref.identifier.type !== "Identifier", + ) + ) { + /** + * Skip checking for a variable that has at least one non-identifier reference. + * It's generated by plugins and cannot be handled reliably in the core rule. + */ + return; + } + + const readReferences = + targetAssignment.variable.references.filter(reference => + reference.isRead(), + ); + + if (!readReferences.length) { + /* + * It is not just an unnecessary assignment, but an unnecessary (unused) variable + * and thus should not be reported by this rule because it is reported by `no-unused-vars`. + */ + return; + } + + /** + * Other assignment on the current segment and after current assignment. + */ + const otherAssignmentAfterTargetAssignment = + allAssignments.find(assignment => { + if ( + assignment === targetAssignment || + (assignment.segments.length && + assignment.segments.every( + segment => + !targetAssignment.segments.includes( + segment, + ), + )) + ) { + return false; + } + if ( + isIdentifierEvaluatedAfterAssignment( + targetAssignment, + assignment.identifier, + ) + ) { + return true; + } + if ( + assignment.expression && + assignment.expression.range[0] <= + targetAssignment.identifier.range[0] && + targetAssignment.identifier.range[1] <= + assignment.expression.range[1] + ) { + /* + * The target assignment is in an expression that is evaluated before the assignment. + * e.g. x=(x=1); + * ^^^ targetAssignment + * ^^^^^^^ assignment + */ + return true; + } + + return false; + }); + + for (const reference of readReferences) { + /* + * If the scope of the reference is outside the current code path scope, + * we cannot track whether this assignment is not used. + * For example, it can also be called asynchronously. + */ + if ( + target.scope !== getCodePathStartScope(reference.from) + ) { + return; + } + + // Checks if it is used in the same segment as the target assignment. + if ( + isIdentifierEvaluatedAfterAssignment( + targetAssignment, + reference.identifier, + ) && + (isIdentifierUsedBetweenAssignedAndEqualSign( + targetAssignment, + reference.identifier, + ) || + targetAssignment.segments.some(segment => + isIdentifierUsedInSegment( + segment, + reference.identifier, + ), + )) + ) { + if ( + otherAssignmentAfterTargetAssignment && + isIdentifierEvaluatedAfterAssignment( + otherAssignmentAfterTargetAssignment, + reference.identifier, + ) + ) { + // There was another assignment before the reference. Therefore, it has not been used yet. + continue; + } + + // Uses in statements after the written identifier. + return; + } + + if (otherAssignmentAfterTargetAssignment) { + /* + * The assignment was followed by another assignment in the same segment. + * Therefore, there is no need to check the next segment. + */ + continue; + } + + // Check subsequent segments. + for (const subsequentSegment of getSubsequentSegments()) { + if ( + isIdentifierUsedInSegment( + subsequentSegment.segment, + reference.identifier, + ) + ) { + if ( + subsequentSegment.assignment && + isIdentifierEvaluatedAfterAssignment( + subsequentSegment.assignment, + reference.identifier, + ) + ) { + // There was another assignment before the reference. Therefore, it has not been used yet. + continue; + } + + // It is used + return; + } + } + } + context.report({ + node: targetAssignment.identifier, + messageId: "unnecessaryAssignment", + }); + } + + // Verify that each assignment in the code path is used. + for (const assignments of target.assignments.values()) { + assignments.sort( + (a, b) => a.identifier.range[0] - b.identifier.range[0], + ); + for (const assignment of assignments) { + verifyAssignmentIsUsed(assignment, assignments); + } + } + } + + return { + onCodePathStart(codePath, node) { + const scope = sourceCode.getScope(node); + + scopeStack = { + upper: scopeStack, + codePath, + scope, + segments: Object.create(null), + currentSegments: new Set(), + assignments: new Map(), + tryStatementBlocks: [], + }; + codePathStartScopes.add(scopeStack.scope); + }, + onCodePathEnd() { + verify(scopeStack); + + scopeStack = scopeStack.upper; + }, + onCodePathSegmentStart(segment) { + const segmentInfo = { segment, first: null, last: null }; + + scopeStack.segments[segment.id] = segmentInfo; + scopeStack.currentSegments.add(segment); + }, + onCodePathSegmentEnd(segment) { + scopeStack.currentSegments.delete(segment); + }, + TryStatement(node) { + scopeStack.tryStatementBlocks.push(node.block); + }, + Identifier(node) { + for (const segment of scopeStack.currentSegments) { + const segmentInfo = scopeStack.segments[segment.id]; + + if (!segmentInfo.first) { + segmentInfo.first = node; + } + segmentInfo.last = node; + } + }, + ":matches(VariableDeclarator[init!=null], AssignmentExpression, UpdateExpression):exit"( + node, + ) { + if (scopeStack.currentSegments.size === 0) { + // Ignore unreachable segments + return; + } + + const assignments = scopeStack.assignments; + + let pattern; + let expression = null; + + if (node.type === "VariableDeclarator") { + pattern = node.id; + expression = node.init; + } else if (node.type === "AssignmentExpression") { + pattern = node.left; + expression = node.right; + } else { + // UpdateExpression + pattern = node.argument; + } + + for (const identifier of extractIdentifiersFromPattern( + pattern, + )) { + const scope = sourceCode.getScope(identifier); + + /** @type {Variable} */ + const variable = findVariable(scope, identifier); + + if (!variable) { + continue; + } + + // We don't know where global variables are used. + if ( + variable.scope.type === "global" && + variable.defs.length === 0 + ) { + continue; + } + + /* + * If the scope of the variable is outside the current code path scope, + * we cannot track whether this assignment is not used. + */ + if ( + scopeStack.scope !== + getCodePathStartScope(variable.scope) + ) { + continue; + } + + // Variables marked by `markVariableAsUsed()` or + // exported by "exported" block comment. + if (variable.eslintUsed) { + continue; + } + + // Variables exported by ESM export syntax + if (variable.scope.type === "module") { + if ( + variable.defs.some( + def => + (def.type === "Variable" && + def.parent.parent.type === + "ExportNamedDeclaration") || + (def.type === "FunctionName" && + (def.node.parent.type === + "ExportNamedDeclaration" || + def.node.parent.type === + "ExportDefaultDeclaration")) || + (def.type === "ClassName" && + (def.node.parent.type === + "ExportNamedDeclaration" || + def.node.parent.type === + "ExportDefaultDeclaration")), + ) + ) { + continue; + } + if ( + variable.references.some( + reference => + reference.identifier.parent.type === + "ExportSpecifier", + ) + ) { + // It have `export { ... }` reference. + continue; + } + } + + let list = assignments.get(variable); + + if (!list) { + list = []; + assignments.set(variable, list); + } + list.push({ + variable, + identifier, + node, + expression, + segments: [...scopeStack.currentSegments], + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-useless-backreference.js b/module/node_modules/eslint/lib/rules/no-useless-backreference.js new file mode 100644 index 000000000..73cce577a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-useless-backreference.js @@ -0,0 +1,263 @@ +/** + * @fileoverview Rule to disallow useless backreferences in regular expressions + * @author Milos Djermanovic + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { + CALL, + CONSTRUCT, + ReferenceTracker, + getStringIfConstant, +} = require("@eslint-community/eslint-utils"); +const { RegExpParser, visitRegExpAST } = require("@eslint-community/regexpp"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const parser = new RegExpParser(); + +/** + * Finds the path from the given `regexpp` AST node to the root node. + * @param {regexpp.Node} node Node. + * @returns {regexpp.Node[]} Array that starts with the given node and ends with the root node. + */ +function getPathToRoot(node) { + const path = []; + let current = node; + + do { + path.push(current); + current = current.parent; + } while (current); + + return path; +} + +/** + * Determines whether the given `regexpp` AST node is a lookaround node. + * @param {regexpp.Node} node Node. + * @returns {boolean} `true` if it is a lookaround node. + */ +function isLookaround(node) { + return ( + node.type === "Assertion" && + (node.kind === "lookahead" || node.kind === "lookbehind") + ); +} + +/** + * Determines whether the given `regexpp` AST node is a negative lookaround node. + * @param {regexpp.Node} node Node. + * @returns {boolean} `true` if it is a negative lookaround node. + */ +function isNegativeLookaround(node) { + return isLookaround(node) && node.negate; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + docs: { + description: + "Disallow useless backreferences in regular expressions", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-useless-backreference", + }, + + schema: [], + + messages: { + nested: "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}'{{ otherGroups }} from within that group.", + forward: + "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}'{{ otherGroups }} which appears later in the pattern.", + backward: + "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}'{{ otherGroups }} which appears before in the same lookbehind.", + disjunctive: + "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}'{{ otherGroups }} which is in another alternative.", + intoNegativeLookaround: + "Backreference '{{ bref }}' will be ignored. It references group '{{ group }}'{{ otherGroups }} which is in a negative lookaround.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Checks and reports useless backreferences in the given regular expression. + * @param {ASTNode} node Node that represents regular expression. A regex literal or RegExp constructor call. + * @param {string} pattern Regular expression pattern. + * @param {string} flags Regular expression flags. + * @returns {void} + */ + function checkRegex(node, pattern, flags) { + let regExpAST; + + try { + regExpAST = parser.parsePattern(pattern, 0, pattern.length, { + unicode: flags.includes("u"), + unicodeSets: flags.includes("v"), + }); + } catch { + // Ignore regular expressions with syntax errors + return; + } + + visitRegExpAST(regExpAST, { + onBackreferenceEnter(bref) { + const groups = [bref.resolved].flat(), + brefPath = getPathToRoot(bref); + + const problems = groups.map(group => { + const groupPath = getPathToRoot(group); + + if (brefPath.includes(group)) { + // group is bref's ancestor => bref is nested ('nested reference') => group hasn't matched yet when bref starts to match. + return { + messageId: "nested", + group, + }; + } + + // Start from the root to find the lowest common ancestor. + let i = brefPath.length - 1, + j = groupPath.length - 1; + + do { + i--; + j--; + } while (brefPath[i] === groupPath[j]); + + const indexOfLowestCommonAncestor = j + 1, + groupCut = groupPath.slice( + 0, + indexOfLowestCommonAncestor, + ), + commonPath = groupPath.slice( + indexOfLowestCommonAncestor, + ), + lowestCommonLookaround = + commonPath.find(isLookaround), + isMatchingBackward = + lowestCommonLookaround && + lowestCommonLookaround.kind === "lookbehind"; + + if (groupCut.at(-1).type === "Alternative") { + // group's and bref's ancestor nodes below the lowest common ancestor are sibling alternatives => they're disjunctive. + return { + messageId: "disjunctive", + group, + }; + } + if (!isMatchingBackward && bref.end <= group.start) { + // bref is left, group is right ('forward reference') => group hasn't matched yet when bref starts to match. + return { + messageId: "forward", + group, + }; + } + if (isMatchingBackward && group.end <= bref.start) { + // the opposite of the previous when the regex is matching backward in a lookbehind context. + return { + messageId: "backward", + group, + }; + } + if (groupCut.some(isNegativeLookaround)) { + // group is in a negative lookaround which isn't bref's ancestor => group has already failed when bref starts to match. + return { + messageId: "intoNegativeLookaround", + group, + }; + } + + return null; + }); + + if ( + problems.length === 0 || + problems.some(problem => !problem) + ) { + // If there are no problems or no problems with any group then do not report it. + return; + } + + let problemsToReport; + + // Gets problems that appear in the same disjunction. + const problemsInSameDisjunction = problems.filter( + problem => problem.messageId !== "disjunctive", + ); + + if (problemsInSameDisjunction.length) { + // Only report problems that appear in the same disjunction. + problemsToReport = problemsInSameDisjunction; + } else { + // If all groups appear in different disjunctions, report it. + problemsToReport = problems; + } + + const [{ messageId, group }, ...other] = problemsToReport; + let otherGroups = ""; + + if (other.length === 1) { + otherGroups = " and another group"; + } else if (other.length > 1) { + otherGroups = ` and other ${other.length} groups`; + } + context.report({ + node, + messageId, + data: { + bref: bref.raw, + group: group.raw, + otherGroups, + }, + }); + }, + }); + } + + return { + "Literal[regex]"(node) { + const { pattern, flags } = node.regex; + + checkRegex(node, pattern, flags); + }, + Program(node) { + const scope = sourceCode.getScope(node), + tracker = new ReferenceTracker(scope), + traceMap = { + RegExp: { + [CALL]: true, + [CONSTRUCT]: true, + }, + }; + + for (const { node: refNode } of tracker.iterateGlobalReferences( + traceMap, + )) { + const [patternNode, flagsNode] = refNode.arguments, + pattern = getStringIfConstant(patternNode, scope), + flags = getStringIfConstant(flagsNode, scope); + + if (typeof pattern === "string") { + checkRegex(refNode, pattern, flags || ""); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-useless-call.js b/module/node_modules/eslint/lib/rules/no-useless-call.js new file mode 100644 index 000000000..2a04ad290 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-useless-call.js @@ -0,0 +1,95 @@ +/** + * @fileoverview A rule to disallow unnecessary `.call()` and `.apply()`. + * @author Toru Nagashima + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not a node is a `.call()`/`.apply()`. + * @param {ASTNode} node A CallExpression node to check. + * @returns {boolean} Whether or not the node is a `.call()`/`.apply()`. + */ +function isCallOrNonVariadicApply(node) { + const callee = astUtils.skipChainExpression(node.callee); + + return ( + callee.type === "MemberExpression" && + callee.property.type === "Identifier" && + callee.computed === false && + ((callee.property.name === "call" && node.arguments.length >= 1) || + (callee.property.name === "apply" && + node.arguments.length === 2 && + node.arguments[1].type === "ArrayExpression")) + ); +} + +/** + * Checks whether or not `thisArg` is not changed by `.call()`/`.apply()`. + * @param {ASTNode|null} expectedThis The node that is the owner of the applied function. + * @param {ASTNode} thisArg The node that is given to the first argument of the `.call()`/`.apply()`. + * @param {SourceCode} sourceCode The ESLint source code object. + * @returns {boolean} Whether or not `thisArg` is not changed by `.call()`/`.apply()`. + */ +function isValidThisArg(expectedThis, thisArg, sourceCode) { + if (!expectedThis) { + return astUtils.isNullOrUndefined(thisArg); + } + return astUtils.equalTokens(expectedThis, thisArg, sourceCode); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow unnecessary calls to `.call()` and `.apply()`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-useless-call", + }, + + schema: [], + + messages: { + unnecessaryCall: "Unnecessary '.{{name}}()'.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + CallExpression(node) { + if (!isCallOrNonVariadicApply(node)) { + return; + } + + const callee = astUtils.skipChainExpression(node.callee); + const applied = astUtils.skipChainExpression(callee.object); + const expectedThis = + applied.type === "MemberExpression" ? applied.object : null; + const thisArg = node.arguments[0]; + + if (isValidThisArg(expectedThis, thisArg, sourceCode)) { + context.report({ + node, + messageId: "unnecessaryCall", + data: { name: callee.property.name }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-useless-catch.js b/module/node_modules/eslint/lib/rules/no-useless-catch.js new file mode 100644 index 000000000..e3df3093c --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-useless-catch.js @@ -0,0 +1,57 @@ +/** + * @fileoverview Reports useless `catch` clauses that just rethrow their error. + * @author Teddy Katz + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow unnecessary `catch` clauses", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-useless-catch", + }, + + schema: [], + + messages: { + unnecessaryCatchClause: "Unnecessary catch clause.", + unnecessaryCatch: "Unnecessary try/catch wrapper.", + }, + }, + + create(context) { + return { + CatchClause(node) { + if ( + node.param && + node.param.type === "Identifier" && + node.body.body.length && + node.body.body[0].type === "ThrowStatement" && + node.body.body[0].argument.type === "Identifier" && + node.body.body[0].argument.name === node.param.name + ) { + if (node.parent.finalizer) { + context.report({ + node, + messageId: "unnecessaryCatchClause", + }); + } else { + context.report({ + node: node.parent, + messageId: "unnecessaryCatch", + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-useless-computed-key.js b/module/node_modules/eslint/lib/rules/no-useless-computed-key.js new file mode 100644 index 000000000..3c61c7672 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-useless-computed-key.js @@ -0,0 +1,204 @@ +/** + * @fileoverview Rule to disallow unnecessary computed property keys in object literals + * @author Burak Yigit Kaya + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines whether the computed key syntax is unnecessarily used for the given node. + * In particular, it determines whether removing the square brackets and using the content between them + * directly as the key (e.g. ['foo'] -> 'foo') would produce valid syntax and preserve the same behavior. + * Valid non-computed keys are only: identifiers, number literals and string literals. + * Only literals can preserve the same behavior, with a few exceptions for specific node types: + * Property + * - { ["__proto__"]: foo } defines a property named "__proto__" + * { "__proto__": foo } defines object's prototype + * PropertyDefinition + * - class C { ["constructor"]; } defines an instance field named "constructor" + * class C { "constructor"; } produces a parsing error + * - class C { static ["constructor"]; } defines a static field named "constructor" + * class C { static "constructor"; } produces a parsing error + * - class C { static ["prototype"]; } produces a runtime error (doesn't break the whole script) + * class C { static "prototype"; } produces a parsing error (breaks the whole script) + * MethodDefinition + * - class C { ["constructor"]() {} } defines a prototype method named "constructor" + * class C { "constructor"() {} } defines the constructor + * - class C { static ["prototype"]() {} } produces a runtime error (doesn't break the whole script) + * class C { static "prototype"() {} } produces a parsing error (breaks the whole script) + * @param {ASTNode} node The node to check. It can be `Property`, `PropertyDefinition` or `MethodDefinition`. + * @throws {Error} (Unreachable.) + * @returns {void} `true` if the node has useless computed key. + */ +function hasUselessComputedKey(node) { + if (!node.computed) { + return false; + } + + const { key } = node; + + if (key.type !== "Literal") { + return false; + } + + const { value } = key; + + if (typeof value !== "number" && typeof value !== "string") { + return false; + } + + switch (node.type) { + case "Property": + if (node.parent.type === "ObjectExpression") { + return value !== "__proto__"; + } + return true; + + case "PropertyDefinition": + if (node.static) { + return value !== "constructor" && value !== "prototype"; + } + + return value !== "constructor"; + + case "MethodDefinition": + if (node.static) { + return value !== "prototype"; + } + + return value !== "constructor"; + + /* c8 ignore next */ + default: + throw new Error(`Unexpected node type: ${node.type}`); + } +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + enforceForClassMembers: true, + }, + ], + + docs: { + description: + "Disallow unnecessary computed property keys in objects and classes", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-useless-computed-key", + }, + + schema: [ + { + type: "object", + properties: { + enforceForClassMembers: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + fixable: "code", + + messages: { + unnecessarilyComputedProperty: + "Unnecessarily computed property [{{property}}] found.", + }, + }, + create(context) { + const sourceCode = context.sourceCode; + const [{ enforceForClassMembers }] = context.options; + + /** + * Reports a given node if it violated this rule. + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function check(node) { + if (hasUselessComputedKey(node)) { + const { key } = node; + + context.report({ + node, + messageId: "unnecessarilyComputedProperty", + data: { property: sourceCode.getText(key) }, + fix(fixer) { + const leftSquareBracket = sourceCode.getTokenBefore( + key, + astUtils.isOpeningBracketToken, + ); + const rightSquareBracket = sourceCode.getTokenAfter( + key, + astUtils.isClosingBracketToken, + ); + + // If there are comments between the brackets and the property name, don't do a fix. + if ( + sourceCode.commentsExistBetween( + leftSquareBracket, + rightSquareBracket, + ) + ) { + return null; + } + + const tokenBeforeLeftBracket = + sourceCode.getTokenBefore(leftSquareBracket); + + // Insert a space before the key to avoid changing identifiers, e.g. ({ get[2]() {} }) to ({ get2() {} }) + const needsSpaceBeforeKey = + tokenBeforeLeftBracket.range[1] === + leftSquareBracket.range[0] && + !astUtils.canTokensBeAdjacent( + tokenBeforeLeftBracket, + sourceCode.getFirstToken(key), + ); + + const replacementKey = + (needsSpaceBeforeKey ? " " : "") + key.raw; + + return fixer.replaceTextRange( + [ + leftSquareBracket.range[0], + rightSquareBracket.range[1], + ], + replacementKey, + ); + }, + }); + } + } + + /** + * A no-op function to act as placeholder for checking a node when the `enforceForClassMembers` option is `false`. + * @returns {void} + * @private + */ + function noop() {} + + return { + Property: check, + MethodDefinition: enforceForClassMembers ? check : noop, + PropertyDefinition: enforceForClassMembers ? check : noop, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-useless-concat.js b/module/node_modules/eslint/lib/rules/no-useless-concat.js new file mode 100644 index 000000000..d1d127485 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-useless-concat.js @@ -0,0 +1,121 @@ +/** + * @fileoverview disallow unnecessary concatenation of template strings + * @author Henry Zhu + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not a given node is a concatenation. + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is a concatenation. + */ +function isConcatenation(node) { + return node.type === "BinaryExpression" && node.operator === "+"; +} + +/** + * Checks if the given token is a `+` token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a `+` token. + */ +function isConcatOperatorToken(token) { + return token.value === "+" && token.type === "Punctuator"; +} + +/** + * Get's the right most node on the left side of a BinaryExpression with + operator. + * @param {ASTNode} node A BinaryExpression node to check. + * @returns {ASTNode} node + */ +function getLeft(node) { + let left = node.left; + + while (isConcatenation(left)) { + left = left.right; + } + return left; +} + +/** + * Get's the left most node on the right side of a BinaryExpression with + operator. + * @param {ASTNode} node A BinaryExpression node to check. + * @returns {ASTNode} node + */ +function getRight(node) { + let right = node.right; + + while (isConcatenation(right)) { + right = right.left; + } + return right; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow unnecessary concatenation of literals or template literals", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-useless-concat", + }, + + schema: [], + + messages: { + unexpectedConcat: "Unexpected string concatenation of literals.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + BinaryExpression(node) { + // check if not concatenation + if (node.operator !== "+") { + return; + } + + // account for the `foo + "a" + "b"` case + const left = getLeft(node); + const right = getRight(node); + + if ( + astUtils.isStringLiteral(left) && + astUtils.isStringLiteral(right) && + astUtils.isTokenOnSameLine(left, right) + ) { + const operatorToken = sourceCode.getFirstTokenBetween( + left, + right, + isConcatOperatorToken, + ); + + context.report({ + node, + loc: operatorToken.loc, + messageId: "unexpectedConcat", + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-useless-constructor.js b/module/node_modules/eslint/lib/rules/no-useless-constructor.js new file mode 100644 index 000000000..123dce31f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-useless-constructor.js @@ -0,0 +1,252 @@ +/** + * @fileoverview Rule to flag the use of redundant constructors in classes. + * @author Alberto Rodríguez + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether any of a method's parameters have a decorator or are a parameter property. + * @param {ASTNode} node A method definition node. + * @returns {boolean} `true` if any parameter had a decorator or is a parameter property. + */ +function hasDecoratorsOrParameterProperty(node) { + return node.value.params.some( + param => + param.decorators?.length || param.type === "TSParameterProperty", + ); +} + +/** + * Checks whether a node's accessibility makes it not useless. + * @param {ASTNode} node A method definition node. + * @returns {boolean} `true` if the node has a useful accessibility. + */ +function hasUsefulAccessibility(node) { + switch (node.accessibility) { + case "protected": + case "private": + return true; + case "public": + return !!node.parent.parent.superClass; + default: + return false; + } +} + +/** + * Checks whether a given array of statements is a single call of `super`. + * @param {ASTNode[]} body An array of statements to check. + * @returns {boolean} `true` if the body is a single call of `super`. + */ +function isSingleSuperCall(body) { + return ( + body.length === 1 && + body[0].type === "ExpressionStatement" && + body[0].expression.type === "CallExpression" && + body[0].expression.callee.type === "Super" + ); +} + +/** + * Checks whether a given node is a pattern which doesn't have any side effects. + * Default parameters and Destructuring parameters can have side effects. + * @param {ASTNode} node A pattern node. + * @returns {boolean} `true` if the node doesn't have any side effects. + */ +function isSimple(node) { + return node.type === "Identifier" || node.type === "RestElement"; +} + +/** + * Checks whether a given array of expressions is `...arguments` or not. + * `super(...arguments)` passes all arguments through. + * @param {ASTNode[]} superArgs An array of expressions to check. + * @returns {boolean} `true` if the superArgs is `...arguments`. + */ +function isSpreadArguments(superArgs) { + return ( + superArgs.length === 1 && + superArgs[0].type === "SpreadElement" && + superArgs[0].argument.type === "Identifier" && + superArgs[0].argument.name === "arguments" + ); +} + +/** + * Checks whether given 2 nodes are identifiers which have the same name or not. + * @param {ASTNode} ctorParam A node to check. + * @param {ASTNode} superArg A node to check. + * @returns {boolean} `true` if the nodes are identifiers which have the same + * name. + */ +function isValidIdentifierPair(ctorParam, superArg) { + return ( + ctorParam.type === "Identifier" && + superArg.type === "Identifier" && + ctorParam.name === superArg.name + ); +} + +/** + * Checks whether given 2 nodes are a rest/spread pair which has the same values. + * @param {ASTNode} ctorParam A node to check. + * @param {ASTNode} superArg A node to check. + * @returns {boolean} `true` if the nodes are a rest/spread pair which has the + * same values. + */ +function isValidRestSpreadPair(ctorParam, superArg) { + return ( + ctorParam.type === "RestElement" && + superArg.type === "SpreadElement" && + isValidIdentifierPair(ctorParam.argument, superArg.argument) + ); +} + +/** + * Checks whether given 2 nodes have the same value or not. + * @param {ASTNode} ctorParam A node to check. + * @param {ASTNode} superArg A node to check. + * @returns {boolean} `true` if the nodes have the same value or not. + */ +function isValidPair(ctorParam, superArg) { + return ( + isValidIdentifierPair(ctorParam, superArg) || + isValidRestSpreadPair(ctorParam, superArg) + ); +} + +/** + * Checks whether the parameters of a constructor and the arguments of `super()` + * have the same values or not. + * @param {ASTNode} ctorParams The parameters of a constructor to check. + * @param {ASTNode} superArgs The arguments of `super()` to check. + * @returns {boolean} `true` if those have the same values. + */ +function isPassingThrough(ctorParams, superArgs) { + if (ctorParams.length !== superArgs.length) { + return false; + } + + for (let i = 0; i < ctorParams.length; ++i) { + if (!isValidPair(ctorParams[i], superArgs[i])) { + return false; + } + } + + return true; +} + +/** + * Checks whether the constructor body is a redundant super call. + * @param {Array} body constructor body content. + * @param {Array} ctorParams The params to check against super call. + * @returns {boolean} true if the constructor body is redundant + */ +function isRedundantSuperCall(body, ctorParams) { + return ( + isSingleSuperCall(body) && + ctorParams.every(isSimple) && + (isSpreadArguments(body[0].expression.arguments) || + isPassingThrough(ctorParams, body[0].expression.arguments)) + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + dialects: ["javascript", "typescript"], + language: "javascript", + type: "suggestion", + + docs: { + description: "Disallow unnecessary constructors", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-useless-constructor", + }, + + hasSuggestions: true, + + schema: [], + + messages: { + noUselessConstructor: "Useless constructor.", + removeConstructor: "Remove the constructor.", + }, + }, + + create(context) { + /** + * Checks whether a node is a redundant constructor + * @param {ASTNode} node node to check + * @returns {void} + */ + function checkForConstructor(node) { + if ( + node.kind !== "constructor" || + node.value.type !== "FunctionExpression" || + hasDecoratorsOrParameterProperty(node) || + hasUsefulAccessibility(node) + ) { + return; + } + + /* + * Prevent crashing on parsers which do not require class constructor + * to have a body, e.g. typescript and flow + */ + if (!node.value.body) { + return; + } + + const body = node.value.body.body; + const ctorParams = node.value.params; + const superClass = node.parent.parent.superClass; + + if ( + superClass + ? isRedundantSuperCall(body, ctorParams) + : body.length === 0 + ) { + context.report({ + node, + messageId: "noUselessConstructor", + suggest: [ + { + messageId: "removeConstructor", + *fix(fixer) { + const nextToken = + context.sourceCode.getTokenAfter(node); + const addSemiColon = + nextToken.type === "Punctuator" && + nextToken.value === "[" && + astUtils.needsPrecedingSemicolon( + context.sourceCode, + node, + ); + + yield fixer.replaceText( + node, + addSemiColon ? ";" : "", + ); + }, + }, + ], + }); + } + } + + return { + MethodDefinition: checkForConstructor, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-useless-escape.js b/module/node_modules/eslint/lib/rules/no-useless-escape.js new file mode 100644 index 000000000..480b51597 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-useless-escape.js @@ -0,0 +1,406 @@ +/** + * @fileoverview Look for useless escapes in strings and regexes + * @author Onur Temizkan + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); +const { RegExpParser, visitRegExpAST } = require("@eslint-community/regexpp"); + +/** + * @typedef {import('@eslint-community/regexpp').AST.CharacterClass} CharacterClass + * @typedef {import('@eslint-community/regexpp').AST.ExpressionCharacterClass} ExpressionCharacterClass + */ +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** + * Returns the union of two sets. + * @param {Set} setA The first set + * @param {Set} setB The second set + * @returns {Set} The union of the two sets + */ +function union(setA, setB) { + return new Set( + (function* () { + yield* setA; + yield* setB; + })(), + ); +} + +const VALID_STRING_ESCAPES = union(new Set("\\nrvtbfux"), astUtils.LINEBREAKS); +const REGEX_GENERAL_ESCAPES = new Set("\\bcdDfnpPrsStvwWxu0123456789]"); +const REGEX_NON_CHARCLASS_ESCAPES = union( + REGEX_GENERAL_ESCAPES, + new Set("^/.$*+?[{}|()Bk"), +); + +/* + * Set of characters that require escaping in character classes in `unicodeSets` mode. + * ( ) [ ] { } / - \ | are ClassSetSyntaxCharacter + */ +const REGEX_CLASSSET_CHARACTER_ESCAPES = union( + REGEX_GENERAL_ESCAPES, + new Set("q/[{}|()-"), +); + +/* + * A single character set of ClassSetReservedDoublePunctuator. + * && !! ## $$ %% ** ++ ,, .. :: ;; << == >> ?? @@ ^^ `` ~~ are ClassSetReservedDoublePunctuator + */ +const REGEX_CLASS_SET_RESERVED_DOUBLE_PUNCTUATOR = new Set( + "!#$%&*+,.:;<=>?@^`~", +); + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + allowRegexCharacters: [], + }, + ], + + docs: { + description: "Disallow unnecessary escape characters", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-useless-escape", + }, + + hasSuggestions: true, + + messages: { + unnecessaryEscape: "Unnecessary escape character: \\{{character}}.", + removeEscape: + "Remove the `\\`. This maintains the current functionality.", + removeEscapeDoNotKeepSemantics: + "Remove the `\\` if it was inserted by mistake.", + escapeBackslash: + "Replace the `\\` with `\\\\` to include the actual backslash character.", + }, + + schema: [ + { + type: "object", + properties: { + allowRegexCharacters: { + type: "array", + items: { + type: "string", + }, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + }, + + create(context) { + const sourceCode = context.sourceCode; + const [{ allowRegexCharacters }] = context.options; + const parser = new RegExpParser(); + + /** + * Reports a node + * @param {ASTNode} node The node to report + * @param {number} startOffset The backslash's offset from the start of the node + * @param {string} character The uselessly escaped character (not including the backslash) + * @param {boolean} [disableEscapeBackslashSuggest] `true` if escapeBackslash suggestion should be turned off. + * @returns {void} + */ + function report( + node, + startOffset, + character, + disableEscapeBackslashSuggest, + ) { + const rangeStart = node.range[0] + startOffset; + const range = [rangeStart, rangeStart + 1]; + const start = sourceCode.getLocFromIndex(rangeStart); + + context.report({ + node, + loc: { + start, + end: { line: start.line, column: start.column + 1 }, + }, + messageId: "unnecessaryEscape", + data: { character }, + suggest: [ + { + // Removing unnecessary `\` characters in a directive is not guaranteed to maintain functionality. + messageId: astUtils.isDirective(node.parent) + ? "removeEscapeDoNotKeepSemantics" + : "removeEscape", + fix(fixer) { + return fixer.removeRange(range); + }, + }, + ...(disableEscapeBackslashSuggest + ? [] + : [ + { + messageId: "escapeBackslash", + fix(fixer) { + return fixer.insertTextBeforeRange( + range, + "\\", + ); + }, + }, + ]), + ], + }); + } + + /** + * Checks if the escape character in given string slice is unnecessary. + * @private + * @param {ASTNode} node node to validate. + * @param {string} match string slice to validate. + * @returns {void} + */ + function validateString(node, match) { + const isTemplateElement = node.type === "TemplateElement"; + const escapedChar = match[0][1]; + let isUnnecessaryEscape = !VALID_STRING_ESCAPES.has(escapedChar); + let isQuoteEscape; + + if (isTemplateElement) { + isQuoteEscape = escapedChar === "`"; + + if (escapedChar === "$") { + // Warn if `\$` is not followed by `{` + isUnnecessaryEscape = match.input[match.index + 2] !== "{"; + } else if (escapedChar === "{") { + /* + * Warn if `\{` is not preceded by `$`. If preceded by `$`, escaping + * is necessary and the rule should not warn. If preceded by `/$`, the rule + * will warn for the `/$` instead, as it is the first unnecessarily escaped character. + */ + isUnnecessaryEscape = match.input[match.index - 1] !== "$"; + } + } else { + isQuoteEscape = escapedChar === node.raw[0]; + } + + if (isUnnecessaryEscape && !isQuoteEscape) { + report(node, match.index, match[0].slice(1)); + } + } + + /** + * Checks if the escape character in given regexp is unnecessary. + * @private + * @param {ASTNode} node node to validate. + * @returns {void} + */ + function validateRegExp(node) { + const { pattern, flags } = node.regex; + let patternNode; + const unicode = flags.includes("u"); + const unicodeSets = flags.includes("v"); + + try { + patternNode = parser.parsePattern(pattern, 0, pattern.length, { + unicode, + unicodeSets, + }); + } catch { + // Ignore regular expressions with syntax errors + return; + } + + /** @type {(CharacterClass | ExpressionCharacterClass)[]} */ + const characterClassStack = []; + + visitRegExpAST(patternNode, { + onCharacterClassEnter: characterClassNode => + characterClassStack.unshift(characterClassNode), + onCharacterClassLeave: () => characterClassStack.shift(), + onExpressionCharacterClassEnter: characterClassNode => + characterClassStack.unshift(characterClassNode), + onExpressionCharacterClassLeave: () => + characterClassStack.shift(), + onCharacterEnter(characterNode) { + if (!characterNode.raw.startsWith("\\")) { + // It's not an escaped character. + return; + } + + const escapedChar = characterNode.raw.slice(1); + + if ( + escapedChar !== + String.fromCodePoint(characterNode.value) || + allowRegexCharacters.includes(escapedChar) + ) { + // It's a valid escape. + return; + } + let allowedEscapes; + + if (characterClassStack.length) { + allowedEscapes = unicodeSets + ? REGEX_CLASSSET_CHARACTER_ESCAPES + : REGEX_GENERAL_ESCAPES; + } else { + allowedEscapes = REGEX_NON_CHARCLASS_ESCAPES; + } + if (allowedEscapes.has(escapedChar)) { + return; + } + + const reportedIndex = characterNode.start + 1; + let disableEscapeBackslashSuggest = false; + + if (characterClassStack.length) { + const characterClassNode = characterClassStack[0]; + + if (escapedChar === "^") { + /* + * The '^' character is also a special case; it must always be escaped outside of character classes, but + * it only needs to be escaped in character classes if it's at the beginning of the character class. To + * account for this, consider it to be a valid escape character outside of character classes, and filter + * out '^' characters that appear at the start of a character class. + */ + if ( + characterClassNode.start + 1 === + characterNode.start + ) { + return; + } + } + if (!unicodeSets) { + if (escapedChar === "-") { + /* + * The '-' character is a special case, because it's only valid to escape it if it's in a character + * class, and is not at either edge of the character class. To account for this, don't consider '-' + * characters to be valid in general, and filter out '-' characters that appear in the middle of a + * character class. + */ + if ( + characterClassNode.start + 1 !== + characterNode.start && + characterNode.end !== + characterClassNode.end - 1 + ) { + return; + } + } + } else { + // unicodeSets mode + if ( + REGEX_CLASS_SET_RESERVED_DOUBLE_PUNCTUATOR.has( + escapedChar, + ) + ) { + // Escaping is valid if it is a ClassSetReservedDoublePunctuator. + if ( + pattern[characterNode.end] === escapedChar + ) { + return; + } + if ( + pattern[characterNode.start - 1] === + escapedChar + ) { + if (escapedChar !== "^") { + return; + } + + // If the previous character is a `negate` caret(`^`), escape to caret is unnecessary. + + if (!characterClassNode.negate) { + return; + } + const negateCaretIndex = + characterClassNode.start + 1; + + if ( + negateCaretIndex < + characterNode.start - 1 + ) { + return; + } + } + } + + if ( + characterNode.parent.type === + "ClassIntersection" || + characterNode.parent.type === "ClassSubtraction" + ) { + disableEscapeBackslashSuggest = true; + } + } + } + + report( + node, + reportedIndex, + escapedChar, + disableEscapeBackslashSuggest, + ); + }, + }); + } + + /** + * Checks if a node has an escape. + * @param {ASTNode} node node to check. + * @returns {void} + */ + function check(node) { + const isTemplateElement = node.type === "TemplateElement"; + + if ( + isTemplateElement && + node.parent && + node.parent.parent && + node.parent.parent.type === "TaggedTemplateExpression" && + node.parent === node.parent.parent.quasi + ) { + // Don't report tagged template literals, because the backslash character is accessible to the tag function. + return; + } + + if (typeof node.value === "string" || isTemplateElement) { + /* + * JSXAttribute doesn't have any escape sequence: https://facebook.github.io/jsx/. + * In addition, backticks are not supported by JSX yet: https://github.com/facebook/jsx/issues/25. + */ + if ( + node.parent.type === "JSXAttribute" || + node.parent.type === "JSXElement" || + node.parent.type === "JSXFragment" + ) { + return; + } + + const value = isTemplateElement + ? sourceCode.getText(node) + : node.raw; + const pattern = /\\\D/gu; + let match; + + while ((match = pattern.exec(value))) { + validateString(node, match); + } + } else if (node.regex) { + validateRegExp(node); + } + } + + return { + Literal: check, + TemplateElement: check, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-useless-rename.js b/module/node_modules/eslint/lib/rules/no-useless-rename.js new file mode 100644 index 000000000..13c76861c --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-useless-rename.js @@ -0,0 +1,202 @@ +/** + * @fileoverview Disallow renaming import, export, and destructured assignments to the same name. + * @author Kai Cataldo + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + ignoreDestructuring: false, + ignoreImport: false, + ignoreExport: false, + }, + ], + + docs: { + description: + "Disallow renaming import, export, and destructured assignments to the same name", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-useless-rename", + }, + + fixable: "code", + + schema: [ + { + type: "object", + properties: { + ignoreDestructuring: { type: "boolean" }, + ignoreImport: { type: "boolean" }, + ignoreExport: { type: "boolean" }, + }, + additionalProperties: false, + }, + ], + + messages: { + unnecessarilyRenamed: "{{type}} {{name}} unnecessarily renamed.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const [{ ignoreDestructuring, ignoreImport, ignoreExport }] = + context.options; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Reports error for unnecessarily renamed assignments + * @param {ASTNode} node node to report + * @param {ASTNode} initial node with initial name value + * @param {string} type the type of the offending node + * @returns {void} + */ + function reportError(node, initial, type) { + const name = + initial.type === "Identifier" ? initial.name : initial.value; + + return context.report({ + node, + messageId: "unnecessarilyRenamed", + data: { + name, + type, + }, + fix(fixer) { + const replacementNode = + node.type === "Property" ? node.value : node.local; + + if ( + sourceCode.getCommentsInside(node).length > + sourceCode.getCommentsInside(replacementNode).length + ) { + return null; + } + + // Don't autofix code such as `({foo: (foo) = a} = obj);`, parens are not allowed in shorthand properties. + if ( + replacementNode.type === "AssignmentPattern" && + astUtils.isParenthesised( + sourceCode, + replacementNode.left, + ) + ) { + return null; + } + + return fixer.replaceText( + node, + sourceCode.getText(replacementNode), + ); + }, + }); + } + + /** + * Checks whether a destructured assignment is unnecessarily renamed + * @param {ASTNode} node node to check + * @returns {void} + */ + function checkDestructured(node) { + if (ignoreDestructuring) { + return; + } + + for (const property of node.properties) { + /** + * Properties using shorthand syntax and rest elements can not be renamed. + * If the property is computed, we have no idea if a rename is useless or not. + */ + if ( + property.type !== "Property" || + property.shorthand || + property.computed + ) { + continue; + } + + const key = + (property.key.type === "Identifier" && property.key.name) || + (property.key.type === "Literal" && property.key.value); + const renamedKey = + property.value.type === "AssignmentPattern" + ? property.value.left.name + : property.value.name; + + if (key === renamedKey) { + reportError( + property, + property.key, + "Destructuring assignment", + ); + } + } + } + + /** + * Checks whether an import is unnecessarily renamed + * @param {ASTNode} node node to check + * @returns {void} + */ + function checkImport(node) { + if (ignoreImport) { + return; + } + + if ( + node.imported.range[0] !== node.local.range[0] && + astUtils.getModuleExportName(node.imported) === node.local.name + ) { + reportError(node, node.imported, "Import"); + } + } + + /** + * Checks whether an export is unnecessarily renamed + * @param {ASTNode} node node to check + * @returns {void} + */ + function checkExport(node) { + if (ignoreExport) { + return; + } + + if ( + node.local.range[0] !== node.exported.range[0] && + astUtils.getModuleExportName(node.local) === + astUtils.getModuleExportName(node.exported) + ) { + reportError(node, node.local, "Export"); + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + ObjectPattern: checkDestructured, + ImportSpecifier: checkImport, + ExportSpecifier: checkExport, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-useless-return.js b/module/node_modules/eslint/lib/rules/no-useless-return.js new file mode 100644 index 000000000..e911885a7 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-useless-return.js @@ -0,0 +1,401 @@ +/** + * @fileoverview Disallow redundant return statements + * @author Teddy Katz + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"), + FixTracker = require("./utils/fix-tracker"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Removes the given element from the array. + * @param {Array} array The source array to remove. + * @param {any} element The target item to remove. + * @returns {void} + */ +function remove(array, element) { + const index = array.indexOf(element); + + if (index !== -1) { + array.splice(index, 1); + } +} + +/** + * Checks whether it can remove the given return statement or not. + * @param {ASTNode} node The return statement node to check. + * @returns {boolean} `true` if the node is removable. + */ +function isRemovable(node) { + return astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type); +} + +/** + * Checks whether the given return statement is in a `finally` block or not. + * @param {ASTNode} node The return statement node to check. + * @returns {boolean} `true` if the node is in a `finally` block. + */ +function isInFinally(node) { + for ( + let currentNode = node; + currentNode && currentNode.parent && !astUtils.isFunction(currentNode); + currentNode = currentNode.parent + ) { + if ( + currentNode.parent.type === "TryStatement" && + currentNode.parent.finalizer === currentNode + ) { + return true; + } + } + + return false; +} + +/** + * Checks all segments in a set and returns true if any are reachable. + * @param {Set} segments The segments to check. + * @returns {boolean} True if any segment is reachable; false otherwise. + */ +function isAnySegmentReachable(segments) { + for (const segment of segments) { + if (segment.reachable) { + return true; + } + } + + return false; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow redundant return statements", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-useless-return", + }, + + fixable: "code", + schema: [], + + messages: { + unnecessaryReturn: "Unnecessary return statement.", + }, + }, + + create(context) { + const segmentInfoMap = new WeakMap(); + const sourceCode = context.sourceCode; + let scopeInfo = null; + + /** + * Checks whether the given segment is terminated by a return statement or not. + * @param {CodePathSegment} segment The segment to check. + * @returns {boolean} `true` if the segment is terminated by a return statement, or if it's still a part of unreachable. + */ + function isReturned(segment) { + const info = segmentInfoMap.get(segment); + + return !info || info.returned; + } + + /** + * Collects useless return statements from the given previous segments. + * + * A previous segment may be an unreachable segment. + * In that case, the information object of the unreachable segment is not + * initialized because `onCodePathSegmentStart` event is not notified for + * unreachable segments. + * This goes to the previous segments of the unreachable segment recursively + * if the unreachable segment was generated by a return statement. Otherwise, + * this ignores the unreachable segment. + * + * This behavior would simulate code paths for the case that the return + * statement does not exist. + * @param {ASTNode[]} uselessReturns The collected return statements. + * @param {CodePathSegment[]} prevSegments The previous segments to traverse. + * @param {WeakSet} [providedTraversedSegments] A set of segments that have already been traversed in this call + * @returns {ASTNode[]} `uselessReturns`. + */ + function getUselessReturns( + uselessReturns, + prevSegments, + providedTraversedSegments, + ) { + const traversedSegments = + providedTraversedSegments || new WeakSet(); + + for (const segment of prevSegments) { + if (!segment.reachable) { + if (!traversedSegments.has(segment)) { + traversedSegments.add(segment); + getUselessReturns( + uselessReturns, + segment.allPrevSegments.filter(isReturned), + traversedSegments, + ); + } + continue; + } + + if (segmentInfoMap.has(segment)) { + uselessReturns.push( + ...segmentInfoMap.get(segment).uselessReturns, + ); + } + } + + return uselessReturns; + } + + /** + * Removes the return statements on the given segment from the useless return + * statement list. + * + * This segment may be an unreachable segment. + * In that case, the information object of the unreachable segment is not + * initialized because `onCodePathSegmentStart` event is not notified for + * unreachable segments. + * This goes to the previous segments of the unreachable segment recursively + * if the unreachable segment was generated by a return statement. Otherwise, + * this ignores the unreachable segment. + * + * This behavior would simulate code paths for the case that the return + * statement does not exist. + * @param {CodePathSegment} segment The segment to get return statements. + * @param {Set} usedUnreachableSegments A set of segments that have already been traversed in this call. + * @returns {void} + */ + function markReturnStatementsOnSegmentAsUsed( + segment, + usedUnreachableSegments, + ) { + if (!segment.reachable) { + usedUnreachableSegments.add(segment); + segment.allPrevSegments + .filter(isReturned) + .filter( + prevSegment => + !usedUnreachableSegments.has(prevSegment), + ) + .forEach(prevSegment => + markReturnStatementsOnSegmentAsUsed( + prevSegment, + usedUnreachableSegments, + ), + ); + return; + } + + const info = segmentInfoMap.get(segment); + + if (!info) { + return; + } + + info.uselessReturns = info.uselessReturns.filter(node => { + if ( + scopeInfo.traversedTryBlockStatements && + scopeInfo.traversedTryBlockStatements.length > 0 + ) { + const returnInitialRange = node.range[0]; + const returnFinalRange = node.range[1]; + + const areBlocksInRange = + scopeInfo.traversedTryBlockStatements.some( + tryBlockStatement => { + const blockInitialRange = + tryBlockStatement.range[0]; + const blockFinalRange = + tryBlockStatement.range[1]; + + return ( + returnInitialRange >= blockInitialRange && + returnFinalRange <= blockFinalRange + ); + }, + ); + + if (areBlocksInRange) { + return true; + } + } + + remove(scopeInfo.uselessReturns, node); + return false; + }); + } + + /** + * Removes the return statements on the current segments from the useless + * return statement list. + * + * This function will be called at every statement except FunctionDeclaration, + * BlockStatement, and BreakStatement. + * + * - FunctionDeclarations are always executed whether it's returned or not. + * - BlockStatements do nothing. + * - BreakStatements go the next merely. + * @returns {void} + */ + function markReturnStatementsOnCurrentSegmentsAsUsed() { + scopeInfo.currentSegments.forEach(segment => + markReturnStatementsOnSegmentAsUsed(segment, new Set()), + ); + } + + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + + return { + // Makes and pushes a new scope information. + onCodePathStart(codePath) { + scopeInfo = { + upper: scopeInfo, + uselessReturns: [], + traversedTryBlockStatements: [], + codePath, + currentSegments: new Set(), + }; + }, + + // Reports useless return statements if exist. + onCodePathEnd() { + for (const node of scopeInfo.uselessReturns) { + context.report({ + node, + loc: node.loc, + messageId: "unnecessaryReturn", + fix(fixer) { + if ( + isRemovable(node) && + !sourceCode.getCommentsInside(node).length + ) { + /* + * Extend the replacement range to include the + * entire function to avoid conflicting with + * no-else-return. + * https://github.com/eslint/eslint/issues/8026 + */ + return new FixTracker(fixer, sourceCode) + .retainEnclosingFunction(node) + .remove(node); + } + return null; + }, + }); + } + + scopeInfo = scopeInfo.upper; + }, + + /* + * Initializes segments. + * NOTE: This event is notified for only reachable segments. + */ + onCodePathSegmentStart(segment) { + scopeInfo.currentSegments.add(segment); + + const info = { + uselessReturns: getUselessReturns( + [], + segment.allPrevSegments, + ), + returned: false, + }; + + // Stores the info. + segmentInfoMap.set(segment, info); + }, + + onUnreachableCodePathSegmentStart(segment) { + scopeInfo.currentSegments.add(segment); + }, + + onUnreachableCodePathSegmentEnd(segment) { + scopeInfo.currentSegments.delete(segment); + }, + + onCodePathSegmentEnd(segment) { + scopeInfo.currentSegments.delete(segment); + }, + + // Adds ReturnStatement node to check whether it's useless or not. + ReturnStatement(node) { + if (node.argument) { + markReturnStatementsOnCurrentSegmentsAsUsed(); + } + if ( + node.argument || + astUtils.isInLoop(node) || + isInFinally(node) || + // Ignore `return` statements in unreachable places (https://github.com/eslint/eslint/issues/11647). + !isAnySegmentReachable(scopeInfo.currentSegments) + ) { + return; + } + + for (const segment of scopeInfo.currentSegments) { + const info = segmentInfoMap.get(segment); + + if (info) { + info.uselessReturns.push(node); + info.returned = true; + } + } + scopeInfo.uselessReturns.push(node); + }, + + "TryStatement > BlockStatement.block:exit"(node) { + scopeInfo.traversedTryBlockStatements.push(node); + }, + + "TryStatement:exit"() { + scopeInfo.traversedTryBlockStatements.pop(); + }, + + /* + * Registers for all statement nodes except FunctionDeclaration, BlockStatement, BreakStatement. + * Removes return statements of the current segments from the useless return statement list. + */ + ClassDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed, + ContinueStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + DebuggerStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + DoWhileStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + EmptyStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + ExpressionStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + ForInStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + ForOfStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + ForStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + IfStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + ImportDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed, + LabeledStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + SwitchStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + ThrowStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + TryStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + VariableDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed, + WhileStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + WithStatement: markReturnStatementsOnCurrentSegmentsAsUsed, + ExportNamedDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed, + ExportDefaultDeclaration: + markReturnStatementsOnCurrentSegmentsAsUsed, + ExportAllDeclaration: markReturnStatementsOnCurrentSegmentsAsUsed, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-var.js b/module/node_modules/eslint/lib/rules/no-var.js new file mode 100644 index 000000000..39562d82e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-var.js @@ -0,0 +1,367 @@ +/** + * @fileoverview Rule to check for the usage of var. + * @author Jamund Ferguson + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Check whether a given variable is a global variable or not. + * @param {eslint-scope.Variable} variable The variable to check. + * @returns {boolean} `true` if the variable is a global variable. + */ +function isGlobal(variable) { + return Boolean(variable.scope) && variable.scope.type === "global"; +} + +/** + * Finds the nearest function scope or global scope walking up the scope + * hierarchy. + * @param {eslint-scope.Scope} scope The scope to traverse. + * @returns {eslint-scope.Scope} a function scope or global scope containing the given + * scope. + */ +function getEnclosingFunctionScope(scope) { + let currentScope = scope; + + while (currentScope.type !== "function" && currentScope.type !== "global") { + currentScope = currentScope.upper; + } + return currentScope; +} + +/** + * Checks whether the given variable has any references from a more specific + * function expression (i.e. a closure). + * @param {eslint-scope.Variable} variable A variable to check. + * @returns {boolean} `true` if the variable is used from a closure. + */ +function isReferencedInClosure(variable) { + const enclosingFunctionScope = getEnclosingFunctionScope(variable.scope); + + return variable.references.some( + reference => + getEnclosingFunctionScope(reference.from) !== + enclosingFunctionScope, + ); +} + +/** + * Checks whether the given node is the assignee of a loop. + * @param {ASTNode} node A VariableDeclaration node to check. + * @returns {boolean} `true` if the declaration is assigned as part of loop + * iteration. + */ +function isLoopAssignee(node) { + return ( + (node.parent.type === "ForOfStatement" || + node.parent.type === "ForInStatement") && + node === node.parent.left + ); +} + +/** + * Checks whether the given variable declaration is immediately initialized. + * @param {ASTNode} node A VariableDeclaration node to check. + * @returns {boolean} `true` if the declaration has an initializer. + */ +function isDeclarationInitialized(node) { + return node.declarations.every(declarator => declarator.init !== null); +} + +const SCOPE_NODE_TYPE = + /^(?:Program|BlockStatement|SwitchStatement|ForStatement|ForInStatement|ForOfStatement)$/u; + +/** + * Gets the scope node which directly contains a given node. + * @param {ASTNode} node A node to get. This is a `VariableDeclaration` or + * an `Identifier`. + * @returns {ASTNode} A scope node. This is one of `Program`, `BlockStatement`, + * `SwitchStatement`, `ForStatement`, `ForInStatement`, and + * `ForOfStatement`. + */ +function getScopeNode(node) { + for ( + let currentNode = node; + currentNode; + currentNode = currentNode.parent + ) { + if (SCOPE_NODE_TYPE.test(currentNode.type)) { + return currentNode; + } + } + + /* c8 ignore next */ + return null; +} + +/** + * Checks whether a given variable is redeclared or not. + * @param {eslint-scope.Variable} variable A variable to check. + * @returns {boolean} `true` if the variable is redeclared. + */ +function isRedeclared(variable) { + return variable.defs.length >= 2; +} + +/** + * Checks whether a given variable is used from outside of the specified scope. + * @param {ASTNode} scopeNode A scope node to check. + * @returns {Function} The predicate function which checks whether a given + * variable is used from outside of the specified scope. + */ +function isUsedFromOutsideOf(scopeNode) { + /** + * Checks whether a given reference is inside of the specified scope or not. + * @param {eslint-scope.Reference} reference A reference to check. + * @returns {boolean} `true` if the reference is inside of the specified + * scope. + */ + function isOutsideOfScope(reference) { + const scope = scopeNode.range; + const id = reference.identifier.range; + + return id[0] < scope[0] || id[1] > scope[1]; + } + + return function (variable) { + return variable.references.some(isOutsideOfScope); + }; +} + +/** + * Creates the predicate function which checks whether a variable has their references in TDZ. + * + * The predicate function would return `true`: + * + * - if a reference is before the declarator. E.g. (var a = b, b = 1;)(var {a = b, b} = {};) + * - if a reference is in the expression of their default value. E.g. (var {a = a} = {};) + * - if a reference is in the expression of their initializer. E.g. (var a = a;) + * @param {ASTNode} node The initializer node of VariableDeclarator. + * @returns {Function} The predicate function. + * @private + */ +function hasReferenceInTDZ(node) { + const initStart = node.range[0]; + const initEnd = node.range[1]; + + return variable => { + const id = variable.defs[0].name; + const idStart = id.range[0]; + const defaultValue = + id.parent.type === "AssignmentPattern" ? id.parent.right : null; + const defaultStart = defaultValue && defaultValue.range[0]; + const defaultEnd = defaultValue && defaultValue.range[1]; + + return variable.references.some(reference => { + const start = reference.identifier.range[0]; + const end = reference.identifier.range[1]; + + return ( + !reference.init && + (start < idStart || + (defaultValue !== null && + start >= defaultStart && + end <= defaultEnd) || + (!astUtils.isFunction(node) && + start >= initStart && + end <= initEnd)) + ); + }); + }; +} + +/** + * Checks whether a given variable has name that is allowed for 'var' declarations, + * but disallowed for `let` declarations. + * @param {eslint-scope.Variable} variable The variable to check. + * @returns {boolean} `true` if the variable has a disallowed name. + */ +function hasNameDisallowedForLetDeclarations(variable) { + return variable.name === "let"; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + dialects: ["typescript", "javascript"], + language: "javascript", + + docs: { + description: "Require `let` or `const` instead of `var`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-var", + }, + + schema: [], + fixable: "code", + + messages: { + unexpectedVar: "Unexpected var, use let or const instead.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Checks whether the variables which are defined by the given declarator node have their references in TDZ. + * @param {ASTNode} declarator The VariableDeclarator node to check. + * @returns {boolean} `true` if one of the variables which are defined by the given declarator node have their references in TDZ. + */ + function hasSelfReferenceInTDZ(declarator) { + if (!declarator.init) { + return false; + } + const variables = sourceCode.getDeclaredVariables(declarator); + + return variables.some(hasReferenceInTDZ(declarator.init)); + } + + /** + * Checks whether it can fix a given variable declaration or not. + * It cannot fix if the following cases: + * + * - A variable is a global variable. + * - A variable is declared on a SwitchCase node. + * - A variable is redeclared. + * - A variable is used from outside the scope. + * - A variable is used from a closure within a loop. + * - A variable might be used before it is assigned within a loop. + * - A variable might be used in TDZ. + * - A variable is declared in statement position (e.g. a single-line `IfStatement`) + * - A variable has name that is disallowed for `let` declarations. + * + * ## A variable is declared on a SwitchCase node. + * + * If this rule modifies 'var' declarations on a SwitchCase node, it + * would generate the warnings of 'no-case-declarations' rule. And the + * 'eslint:recommended' preset includes 'no-case-declarations' rule, so + * this rule doesn't modify those declarations. + * + * ## A variable is redeclared. + * + * The language spec disallows redeclarations of `let` declarations. + * Those variables would cause syntax errors. + * + * ## A variable is used from outside the scope. + * + * The language spec disallows accesses from outside of the scope for + * `let` declarations. Those variables would cause reference errors. + * + * ## A variable is used from a closure within a loop. + * + * A `var` declaration within a loop shares the same variable instance + * across all loop iterations, while a `let` declaration creates a new + * instance for each iteration. This means if a variable in a loop is + * referenced by any closure, changing it from `var` to `let` would + * change the behavior in a way that is generally unsafe. + * + * ## A variable might be used before it is assigned within a loop. + * + * Within a loop, a `let` declaration without an initializer will be + * initialized to null, while a `var` declaration will retain its value + * from the previous iteration, so it is only safe to change `var` to + * `let` if we can statically determine that the variable is always + * assigned a value before its first access in the loop body. To keep + * the implementation simple, we only convert `var` to `let` within + * loops when the variable is a loop assignee or the declaration has an + * initializer. + * @param {ASTNode} node A variable declaration node to check. + * @returns {boolean} `true` if it can fix the node. + */ + function canFix(node) { + const variables = sourceCode.getDeclaredVariables(node); + const scopeNode = getScopeNode(node); + + if ( + node.parent.type === "SwitchCase" || + node.declarations.some(hasSelfReferenceInTDZ) || + variables.some(isGlobal) || + variables.some(isRedeclared) || + variables.some(isUsedFromOutsideOf(scopeNode)) || + variables.some(hasNameDisallowedForLetDeclarations) + ) { + return false; + } + + if (astUtils.isInLoop(node)) { + if (variables.some(isReferencedInClosure)) { + return false; + } + if (!isLoopAssignee(node) && !isDeclarationInitialized(node)) { + return false; + } + } + + if ( + !isLoopAssignee(node) && + !( + node.parent.type === "ForStatement" && + node.parent.init === node + ) && + !astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type) + ) { + // If the declaration is not in a block, e.g. `if (foo) var bar = 1;`, then it can't be fixed. + return false; + } + + return true; + } + + /** + * Reports a given variable declaration node. + * @param {ASTNode} node A variable declaration node to report. + * @returns {void} + */ + function report(node) { + context.report({ + node, + messageId: "unexpectedVar", + + fix(fixer) { + const varToken = sourceCode.getFirstToken(node, { + filter: t => t.value === "var", + }); + + return canFix(node) + ? fixer.replaceText(varToken, "let") + : null; + }, + }); + } + + return { + "VariableDeclaration:exit"(node) { + if (node.kind !== "var") { + return; + } + + if ( + node.parent.type === "TSModuleBlock" && + node.parent.parent.type === "TSModuleDeclaration" && + node.parent.parent.global + ) { + return; + } + + report(node); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-void.js b/module/node_modules/eslint/lib/rules/no-void.js new file mode 100644 index 000000000..7e99fd3c1 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-void.js @@ -0,0 +1,69 @@ +/** + * @fileoverview Rule to disallow use of void operator. + * @author Mike Sidorov + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + allowAsStatement: false, + }, + ], + + docs: { + description: "Disallow `void` operators", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-void", + }, + + messages: { + noVoid: "Expected 'undefined' and instead saw 'void'.", + }, + + schema: [ + { + type: "object", + properties: { + allowAsStatement: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + }, + + create(context) { + const [{ allowAsStatement }] = context.options; + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + 'UnaryExpression[operator="void"]'(node) { + if ( + allowAsStatement && + node.parent && + node.parent.type === "ExpressionStatement" + ) { + return; + } + context.report({ + node, + messageId: "noVoid", + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-warning-comments.js b/module/node_modules/eslint/lib/rules/no-warning-comments.js new file mode 100644 index 000000000..8f1a7c36b --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-warning-comments.js @@ -0,0 +1,209 @@ +/** + * @fileoverview Rule that warns about used warning comments + * @author Alexander Schmidt + */ + +"use strict"; + +const escapeRegExp = require("escape-string-regexp"); +const astUtils = require("./utils/ast-utils"); + +const CHAR_LIMIT = 40; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + location: "start", + terms: ["todo", "fixme", "xxx"], + }, + ], + + docs: { + description: "Disallow specified warning terms in comments", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/no-warning-comments", + }, + + schema: [ + { + type: "object", + properties: { + terms: { + type: "array", + items: { + type: "string", + }, + }, + location: { + enum: ["start", "anywhere"], + }, + decoration: { + type: "array", + items: { + type: "string", + pattern: "^\\S$", + }, + minItems: 1, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedComment: + "Unexpected '{{matchedTerm}}' comment: '{{comment}}'.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const [{ decoration, location, terms: warningTerms }] = context.options; + const escapedDecoration = escapeRegExp( + decoration ? decoration.join("") : "", + ); + const selfConfigRegEx = /\bno-warning-comments\b/u; + + /** + * Convert a warning term into a RegExp which will match a comment containing that whole word in the specified + * location ("start" or "anywhere"). If the term starts or ends with non word characters, then the match will not + * require word boundaries on that side. + * @param {string} term A term to convert to a RegExp + * @returns {RegExp} The term converted to a RegExp + */ + function convertToRegExp(term) { + const escaped = escapeRegExp(term); + + /* + * When matching at the start, ignore leading whitespace, and + * there's no need to worry about word boundaries. + * + * These expressions for the prefix and suffix are designed as follows: + * ^ handles any terms at the beginning of a comment. + * e.g. terms ["TODO"] matches `//TODO something` + * $ handles any terms at the end of a comment + * e.g. terms ["TODO"] matches `// something TODO` + * \b handles terms preceded/followed by word boundary + * e.g. terms: ["!FIX", "FIX!"] matches `// FIX!something` or `// something!FIX` + * terms: ["FIX"] matches `// FIX!` or `// !FIX`, but not `// fixed or affix` + * + * For location start: + * [\s]* handles optional leading spaces + * e.g. terms ["TODO"] matches `// TODO something` + * [\s\*]* (where "\*" is the escaped string of decoration) + * handles optional leading spaces or decoration characters (for "start" location only) + * e.g. terms ["TODO"] matches `/**** TODO something ... ` + */ + const wordBoundary = "\\b"; + + let prefix = ""; + + if (location === "start") { + prefix = `^[\\s${escapedDecoration}]*`; + } else if (/^\w/u.test(term)) { + prefix = wordBoundary; + } + + const suffix = /\w$/u.test(term) ? wordBoundary : ""; + const flags = "iu"; // Case-insensitive with Unicode case folding. + + /* + * For location "start", the typical regex is: + * /^[\s]*ESCAPED_TERM\b/iu. + * Or if decoration characters are specified (e.g. "*"), then any of + * those characters may appear in any order at the start: + * /^[\s\*]*ESCAPED_TERM\b/iu. + * + * For location "anywhere" the typical regex is + * /\bESCAPED_TERM\b/iu + * + * If it starts or ends with non-word character, the prefix and suffix are empty, respectively. + */ + return new RegExp(`${prefix}${escaped}${suffix}`, flags); + } + + const warningRegExps = warningTerms.map(convertToRegExp); + + /** + * Checks the specified comment for matches of the configured warning terms and returns the matches. + * @param {string} comment The comment which is checked. + * @returns {Array} All matched warning terms for this comment. + */ + function commentContainsWarningTerm(comment) { + const matches = []; + + warningRegExps.forEach((regex, index) => { + if (regex.test(comment)) { + matches.push(warningTerms[index]); + } + }); + + return matches; + } + + /** + * Checks the specified node for matching warning comments and reports them. + * @param {ASTNode} node The AST node being checked. + * @returns {void} undefined. + */ + function checkComment(node) { + const comment = node.value; + + if ( + astUtils.isDirectiveComment(node) && + selfConfigRegEx.test(comment) + ) { + return; + } + + const matches = commentContainsWarningTerm(comment); + + matches.forEach(matchedTerm => { + let commentToDisplay = ""; + let truncated = false; + + for (const c of comment.trim().split(/\s+/u)) { + const tmp = commentToDisplay + ? `${commentToDisplay} ${c}` + : c; + + if (tmp.length <= CHAR_LIMIT) { + commentToDisplay = tmp; + } else { + truncated = true; + break; + } + } + + context.report({ + node, + messageId: "unexpectedComment", + data: { + matchedTerm, + comment: `${commentToDisplay}${truncated ? "..." : ""}`, + }, + }); + }); + } + + return { + Program() { + const comments = sourceCode.getAllComments(); + + comments + .filter(token => token.type !== "Shebang") + .forEach(checkComment); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-whitespace-before-property.js b/module/node_modules/eslint/lib/rules/no-whitespace-before-property.js new file mode 100644 index 000000000..834e6f162 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-whitespace-before-property.js @@ -0,0 +1,150 @@ +/** + * @fileoverview Rule to disallow whitespace before properties + * @author Kai Cataldo + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "no-whitespace-before-property", + url: "https://eslint.style/rules/no-whitespace-before-property", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Disallow whitespace before properties", + recommended: false, + url: "https://eslint.org/docs/latest/rules/no-whitespace-before-property", + }, + + fixable: "whitespace", + schema: [], + + messages: { + unexpectedWhitespace: + "Unexpected whitespace before property {{propName}}.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Reports whitespace before property token + * @param {ASTNode} node the node to report in the event of an error + * @param {Token} leftToken the left token + * @param {Token} rightToken the right token + * @returns {void} + * @private + */ + function reportError(node, leftToken, rightToken) { + context.report({ + node, + messageId: "unexpectedWhitespace", + data: { + propName: sourceCode.getText(node.property), + }, + fix(fixer) { + let replacementText = ""; + + if ( + !node.computed && + !node.optional && + astUtils.isDecimalInteger(node.object) + ) { + /* + * If the object is a number literal, fixing it to something like 5.toString() would cause a SyntaxError. + * Don't fix this case. + */ + return null; + } + + // Don't fix if comments exist. + if ( + sourceCode.commentsExistBetween(leftToken, rightToken) + ) { + return null; + } + + if (node.optional) { + replacementText = "?."; + } else if (!node.computed) { + replacementText = "."; + } + + return fixer.replaceTextRange( + [leftToken.range[1], rightToken.range[0]], + replacementText, + ); + }, + }); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + MemberExpression(node) { + let rightToken; + let leftToken; + + if (!astUtils.isTokenOnSameLine(node.object, node.property)) { + return; + } + + if (node.computed) { + rightToken = sourceCode.getTokenBefore( + node.property, + astUtils.isOpeningBracketToken, + ); + leftToken = sourceCode.getTokenBefore( + rightToken, + node.optional ? 1 : 0, + ); + } else { + rightToken = sourceCode.getFirstToken(node.property); + leftToken = sourceCode.getTokenBefore(rightToken, 1); + } + + if (sourceCode.isSpaceBetweenTokens(leftToken, rightToken)) { + reportError(node, leftToken, rightToken); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/no-with.js b/module/node_modules/eslint/lib/rules/no-with.js new file mode 100644 index 000000000..d8be31f7e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/no-with.js @@ -0,0 +1,37 @@ +/** + * @fileoverview Rule to flag use of with statement + * @author Nicholas C. Zakas + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Disallow `with` statements", + recommended: true, + url: "https://eslint.org/docs/latest/rules/no-with", + }, + + schema: [], + + messages: { + unexpectedWith: "Unexpected use of 'with' statement.", + }, + }, + + create(context) { + return { + WithStatement(node) { + context.report({ node, messageId: "unexpectedWith" }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/nonblock-statement-body-position.js b/module/node_modules/eslint/lib/rules/nonblock-statement-body-position.js new file mode 100644 index 000000000..dbfd1063f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/nonblock-statement-body-position.js @@ -0,0 +1,164 @@ +/** + * @fileoverview enforce the location of single-line statements + * @author Teddy Katz + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const POSITION_SCHEMA = { enum: ["beside", "below", "any"] }; + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "nonblock-statement-body-position", + url: "https://eslint.style/rules/nonblock-statement-body-position", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce the location of single-line statements", + recommended: false, + url: "https://eslint.org/docs/latest/rules/nonblock-statement-body-position", + }, + + fixable: "whitespace", + + schema: [ + POSITION_SCHEMA, + { + properties: { + overrides: { + properties: { + if: POSITION_SCHEMA, + else: POSITION_SCHEMA, + while: POSITION_SCHEMA, + do: POSITION_SCHEMA, + for: POSITION_SCHEMA, + }, + additionalProperties: false, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + expectNoLinebreak: "Expected no linebreak before this statement.", + expectLinebreak: "Expected a linebreak before this statement.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + //---------------------------------------------------------------------- + // Helpers + //---------------------------------------------------------------------- + + /** + * Gets the applicable preference for a particular keyword + * @param {string} keywordName The name of a keyword, e.g. 'if' + * @returns {string} The applicable option for the keyword, e.g. 'beside' + */ + function getOption(keywordName) { + return ( + (context.options[1] && + context.options[1].overrides && + context.options[1].overrides[keywordName]) || + context.options[0] || + "beside" + ); + } + + /** + * Validates the location of a single-line statement + * @param {ASTNode} node The single-line statement + * @param {string} keywordName The applicable keyword name for the single-line statement + * @returns {void} + */ + function validateStatement(node, keywordName) { + const option = getOption(keywordName); + + if (node.type === "BlockStatement" || option === "any") { + return; + } + + const tokenBefore = sourceCode.getTokenBefore(node); + + if ( + tokenBefore.loc.end.line === node.loc.start.line && + option === "below" + ) { + context.report({ + node, + messageId: "expectLinebreak", + fix: fixer => fixer.insertTextBefore(node, "\n"), + }); + } else if ( + tokenBefore.loc.end.line !== node.loc.start.line && + option === "beside" + ) { + context.report({ + node, + messageId: "expectNoLinebreak", + fix(fixer) { + if ( + sourceCode + .getText() + .slice(tokenBefore.range[1], node.range[0]) + .trim() + ) { + return null; + } + return fixer.replaceTextRange( + [tokenBefore.range[1], node.range[0]], + " ", + ); + }, + }); + } + } + + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + + return { + IfStatement(node) { + validateStatement(node.consequent, "if"); + + // Check the `else` node, but don't check 'else if' statements. + if (node.alternate && node.alternate.type !== "IfStatement") { + validateStatement(node.alternate, "else"); + } + }, + WhileStatement: node => validateStatement(node.body, "while"), + DoWhileStatement: node => validateStatement(node.body, "do"), + ForStatement: node => validateStatement(node.body, "for"), + ForInStatement: node => validateStatement(node.body, "for"), + ForOfStatement: node => validateStatement(node.body, "for"), + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/object-curly-newline.js b/module/node_modules/eslint/lib/rules/object-curly-newline.js new file mode 100644 index 000000000..e0b860b3d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/object-curly-newline.js @@ -0,0 +1,383 @@ +/** + * @fileoverview Rule to require or disallow line breaks inside braces. + * @author Toru Nagashima + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +// Schema objects. +const OPTION_VALUE = { + oneOf: [ + { + enum: ["always", "never"], + }, + { + type: "object", + properties: { + multiline: { + type: "boolean", + }, + minProperties: { + type: "integer", + minimum: 0, + }, + consistent: { + type: "boolean", + }, + }, + additionalProperties: false, + minProperties: 1, + }, + ], +}; + +/** + * Normalizes a given option value. + * @param {string|Object|undefined} value An option value to parse. + * @returns {{multiline: boolean, minProperties: number, consistent: boolean}} Normalized option object. + */ +function normalizeOptionValue(value) { + let multiline = false; + let minProperties = Number.POSITIVE_INFINITY; + let consistent = false; + + if (value) { + if (value === "always") { + minProperties = 0; + } else if (value === "never") { + minProperties = Number.POSITIVE_INFINITY; + } else { + multiline = Boolean(value.multiline); + minProperties = value.minProperties || Number.POSITIVE_INFINITY; + consistent = Boolean(value.consistent); + } + } else { + consistent = true; + } + + return { multiline, minProperties, consistent }; +} + +/** + * Checks if a value is an object. + * @param {any} value The value to check + * @returns {boolean} `true` if the value is an object, otherwise `false` + */ +function isObject(value) { + return typeof value === "object" && value !== null; +} + +/** + * Checks if an option is a node-specific option + * @param {any} option The option to check + * @returns {boolean} `true` if the option is node-specific, otherwise `false` + */ +function isNodeSpecificOption(option) { + return isObject(option) || typeof option === "string"; +} + +/** + * Normalizes a given option value. + * @param {string|Object|undefined} options An option value to parse. + * @returns {{ + * ObjectExpression: {multiline: boolean, minProperties: number, consistent: boolean}, + * ObjectPattern: {multiline: boolean, minProperties: number, consistent: boolean}, + * ImportDeclaration: {multiline: boolean, minProperties: number, consistent: boolean}, + * ExportNamedDeclaration : {multiline: boolean, minProperties: number, consistent: boolean} + * }} Normalized option object. + */ +function normalizeOptions(options) { + if ( + isObject(options) && + Object.values(options).some(isNodeSpecificOption) + ) { + return { + ObjectExpression: normalizeOptionValue(options.ObjectExpression), + ObjectPattern: normalizeOptionValue(options.ObjectPattern), + ImportDeclaration: normalizeOptionValue(options.ImportDeclaration), + ExportNamedDeclaration: normalizeOptionValue( + options.ExportDeclaration, + ), + }; + } + + const value = normalizeOptionValue(options); + + return { + ObjectExpression: value, + ObjectPattern: value, + ImportDeclaration: value, + ExportNamedDeclaration: value, + }; +} + +/** + * Determines if ObjectExpression, ObjectPattern, ImportDeclaration or ExportNamedDeclaration + * node needs to be checked for missing line breaks + * @param {ASTNode} node Node under inspection + * @param {Object} options option specific to node type + * @param {Token} first First object property + * @param {Token} last Last object property + * @returns {boolean} `true` if node needs to be checked for missing line breaks + */ +function areLineBreaksRequired(node, options, first, last) { + let objectProperties; + + if (node.type === "ObjectExpression" || node.type === "ObjectPattern") { + objectProperties = node.properties; + } else { + // is ImportDeclaration or ExportNamedDeclaration + objectProperties = node.specifiers.filter( + s => s.type === "ImportSpecifier" || s.type === "ExportSpecifier", + ); + } + + return ( + objectProperties.length >= options.minProperties || + (options.multiline && + objectProperties.length > 0 && + first.loc.start.line !== last.loc.end.line) + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "object-curly-newline", + url: "https://eslint.style/rules/object-curly-newline", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce consistent line breaks after opening and before closing braces", + recommended: false, + url: "https://eslint.org/docs/latest/rules/object-curly-newline", + }, + + fixable: "whitespace", + + schema: [ + { + oneOf: [ + OPTION_VALUE, + { + type: "object", + properties: { + ObjectExpression: OPTION_VALUE, + ObjectPattern: OPTION_VALUE, + ImportDeclaration: OPTION_VALUE, + ExportDeclaration: OPTION_VALUE, + }, + additionalProperties: false, + minProperties: 1, + }, + ], + }, + ], + + messages: { + unexpectedLinebreakBeforeClosingBrace: + "Unexpected line break before this closing brace.", + unexpectedLinebreakAfterOpeningBrace: + "Unexpected line break after this opening brace.", + expectedLinebreakBeforeClosingBrace: + "Expected a line break before this closing brace.", + expectedLinebreakAfterOpeningBrace: + "Expected a line break after this opening brace.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const normalizedOptions = normalizeOptions(context.options[0]); + + /** + * Reports a given node if it violated this rule. + * @param {ASTNode} node A node to check. This is an ObjectExpression, ObjectPattern, ImportDeclaration or ExportNamedDeclaration node. + * @returns {void} + */ + function check(node) { + const options = normalizedOptions[node.type]; + + if ( + (node.type === "ImportDeclaration" && + !node.specifiers.some( + specifier => specifier.type === "ImportSpecifier", + )) || + (node.type === "ExportNamedDeclaration" && + !node.specifiers.some( + specifier => specifier.type === "ExportSpecifier", + )) + ) { + return; + } + + const openBrace = sourceCode.getFirstToken( + node, + token => token.value === "{", + ); + + let closeBrace; + + if (node.typeAnnotation) { + closeBrace = sourceCode.getTokenBefore(node.typeAnnotation); + } else { + closeBrace = sourceCode.getLastToken( + node, + token => token.value === "}", + ); + } + + let first = sourceCode.getTokenAfter(openBrace, { + includeComments: true, + }); + let last = sourceCode.getTokenBefore(closeBrace, { + includeComments: true, + }); + + const needsLineBreaks = areLineBreaksRequired( + node, + options, + first, + last, + ); + + const hasCommentsFirstToken = astUtils.isCommentToken(first); + const hasCommentsLastToken = astUtils.isCommentToken(last); + + /* + * Use tokens or comments to check multiline or not. + * But use only tokens to check whether line breaks are needed. + * This allows: + * var obj = { // eslint-disable-line foo + * a: 1 + * } + */ + first = sourceCode.getTokenAfter(openBrace); + last = sourceCode.getTokenBefore(closeBrace); + + if (needsLineBreaks) { + if (astUtils.isTokenOnSameLine(openBrace, first)) { + context.report({ + messageId: "expectedLinebreakAfterOpeningBrace", + node, + loc: openBrace.loc, + fix(fixer) { + if (hasCommentsFirstToken) { + return null; + } + + return fixer.insertTextAfter(openBrace, "\n"); + }, + }); + } + if (astUtils.isTokenOnSameLine(last, closeBrace)) { + context.report({ + messageId: "expectedLinebreakBeforeClosingBrace", + node, + loc: closeBrace.loc, + fix(fixer) { + if (hasCommentsLastToken) { + return null; + } + + return fixer.insertTextBefore(closeBrace, "\n"); + }, + }); + } + } else { + const consistent = options.consistent; + const hasLineBreakBetweenOpenBraceAndFirst = + !astUtils.isTokenOnSameLine(openBrace, first); + const hasLineBreakBetweenCloseBraceAndLast = + !astUtils.isTokenOnSameLine(last, closeBrace); + + if ( + (!consistent && hasLineBreakBetweenOpenBraceAndFirst) || + (consistent && + hasLineBreakBetweenOpenBraceAndFirst && + !hasLineBreakBetweenCloseBraceAndLast) + ) { + context.report({ + messageId: "unexpectedLinebreakAfterOpeningBrace", + node, + loc: openBrace.loc, + fix(fixer) { + if (hasCommentsFirstToken) { + return null; + } + + return fixer.removeRange([ + openBrace.range[1], + first.range[0], + ]); + }, + }); + } + if ( + (!consistent && hasLineBreakBetweenCloseBraceAndLast) || + (consistent && + !hasLineBreakBetweenOpenBraceAndFirst && + hasLineBreakBetweenCloseBraceAndLast) + ) { + context.report({ + messageId: "unexpectedLinebreakBeforeClosingBrace", + node, + loc: closeBrace.loc, + fix(fixer) { + if (hasCommentsLastToken) { + return null; + } + + return fixer.removeRange([ + last.range[1], + closeBrace.range[0], + ]); + }, + }); + } + } + } + + return { + ObjectExpression: check, + ObjectPattern: check, + ImportDeclaration: check, + ExportNamedDeclaration: check, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/object-curly-spacing.js b/module/node_modules/eslint/lib/rules/object-curly-spacing.js new file mode 100644 index 000000000..fbd177369 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/object-curly-spacing.js @@ -0,0 +1,375 @@ +/** + * @fileoverview Disallows or enforces spaces inside of object literals. + * @author Jamund Ferguson + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "object-curly-spacing", + url: "https://eslint.style/rules/object-curly-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent spacing inside braces", + recommended: false, + url: "https://eslint.org/docs/latest/rules/object-curly-spacing", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["always", "never"], + }, + { + type: "object", + properties: { + arraysInObjects: { + type: "boolean", + }, + objectsInObjects: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + requireSpaceBefore: "A space is required before '{{token}}'.", + requireSpaceAfter: "A space is required after '{{token}}'.", + unexpectedSpaceBefore: + "There should be no space before '{{token}}'.", + unexpectedSpaceAfter: "There should be no space after '{{token}}'.", + }, + }, + + create(context) { + const spaced = context.options[0] === "always", + sourceCode = context.sourceCode; + + /** + * Determines whether an option is set, relative to the spacing option. + * If spaced is "always", then check whether option is set to false. + * If spaced is "never", then check whether option is set to true. + * @param {Object} option The option to exclude. + * @returns {boolean} Whether or not the property is excluded. + */ + function isOptionSet(option) { + return context.options[1] + ? context.options[1][option] === !spaced + : false; + } + + const options = { + spaced, + arraysInObjectsException: isOptionSet("arraysInObjects"), + objectsInObjectsException: isOptionSet("objectsInObjects"), + }; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Reports that there shouldn't be a space after the first token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportNoBeginningSpace(node, token) { + const nextToken = context.sourceCode.getTokenAfter(token, { + includeComments: true, + }); + + context.report({ + node, + loc: { start: token.loc.end, end: nextToken.loc.start }, + messageId: "unexpectedSpaceAfter", + data: { + token: token.value, + }, + fix(fixer) { + return fixer.removeRange([ + token.range[1], + nextToken.range[0], + ]); + }, + }); + } + + /** + * Reports that there shouldn't be a space before the last token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportNoEndingSpace(node, token) { + const previousToken = context.sourceCode.getTokenBefore(token, { + includeComments: true, + }); + + context.report({ + node, + loc: { start: previousToken.loc.end, end: token.loc.start }, + messageId: "unexpectedSpaceBefore", + data: { + token: token.value, + }, + fix(fixer) { + return fixer.removeRange([ + previousToken.range[1], + token.range[0], + ]); + }, + }); + } + + /** + * Reports that there should be a space after the first token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportRequiredBeginningSpace(node, token) { + context.report({ + node, + loc: token.loc, + messageId: "requireSpaceAfter", + data: { + token: token.value, + }, + fix(fixer) { + return fixer.insertTextAfter(token, " "); + }, + }); + } + + /** + * Reports that there should be a space before the last token + * @param {ASTNode} node The node to report in the event of an error. + * @param {Token} token The token to use for the report. + * @returns {void} + */ + function reportRequiredEndingSpace(node, token) { + context.report({ + node, + loc: token.loc, + messageId: "requireSpaceBefore", + data: { + token: token.value, + }, + fix(fixer) { + return fixer.insertTextBefore(token, " "); + }, + }); + } + + /** + * Determines if spacing in curly braces is valid. + * @param {ASTNode} node The AST node to check. + * @param {Token} first The first token to check (should be the opening brace) + * @param {Token} second The second token to check (should be first after the opening brace) + * @param {Token} penultimate The penultimate token to check (should be last before closing brace) + * @param {Token} last The last token to check (should be closing brace) + * @returns {void} + */ + function validateBraceSpacing(node, first, second, penultimate, last) { + if (astUtils.isTokenOnSameLine(first, second)) { + const firstSpaced = sourceCode.isSpaceBetweenTokens( + first, + second, + ); + + if (options.spaced && !firstSpaced) { + reportRequiredBeginningSpace(node, first); + } + if (!options.spaced && firstSpaced && second.type !== "Line") { + reportNoBeginningSpace(node, first); + } + } + + if (astUtils.isTokenOnSameLine(penultimate, last)) { + const shouldCheckPenultimate = + (options.arraysInObjectsException && + astUtils.isClosingBracketToken(penultimate)) || + (options.objectsInObjectsException && + astUtils.isClosingBraceToken(penultimate)); + const penultimateType = + shouldCheckPenultimate && + sourceCode.getNodeByRangeIndex(penultimate.range[0]).type; + + const closingCurlyBraceMustBeSpaced = + (options.arraysInObjectsException && + penultimateType === "ArrayExpression") || + (options.objectsInObjectsException && + (penultimateType === "ObjectExpression" || + penultimateType === "ObjectPattern")) + ? !options.spaced + : options.spaced; + + const lastSpaced = sourceCode.isSpaceBetweenTokens( + penultimate, + last, + ); + + if (closingCurlyBraceMustBeSpaced && !lastSpaced) { + reportRequiredEndingSpace(node, last); + } + if (!closingCurlyBraceMustBeSpaced && lastSpaced) { + reportNoEndingSpace(node, last); + } + } + } + + /** + * Gets '}' token of an object node. + * + * Because the last token of object patterns might be a type annotation, + * this traverses tokens preceded by the last property, then returns the + * first '}' token. + * @param {ASTNode} node The node to get. This node is an + * ObjectExpression or an ObjectPattern. And this node has one or + * more properties. + * @returns {Token} '}' token. + */ + function getClosingBraceOfObject(node) { + const lastProperty = node.properties.at(-1); + + return sourceCode.getTokenAfter( + lastProperty, + astUtils.isClosingBraceToken, + ); + } + + /** + * Reports a given object node if spacing in curly braces is invalid. + * @param {ASTNode} node An ObjectExpression or ObjectPattern node to check. + * @returns {void} + */ + function checkForObject(node) { + if (node.properties.length === 0) { + return; + } + + const first = sourceCode.getFirstToken(node), + last = getClosingBraceOfObject(node), + second = sourceCode.getTokenAfter(first, { + includeComments: true, + }), + penultimate = sourceCode.getTokenBefore(last, { + includeComments: true, + }); + + validateBraceSpacing(node, first, second, penultimate, last); + } + + /** + * Reports a given import node if spacing in curly braces is invalid. + * @param {ASTNode} node An ImportDeclaration node to check. + * @returns {void} + */ + function checkForImport(node) { + if (node.specifiers.length === 0) { + return; + } + + let firstSpecifier = node.specifiers[0]; + const lastSpecifier = node.specifiers.at(-1); + + if (lastSpecifier.type !== "ImportSpecifier") { + return; + } + if (firstSpecifier.type !== "ImportSpecifier") { + firstSpecifier = node.specifiers[1]; + } + + const first = sourceCode.getTokenBefore(firstSpecifier), + last = sourceCode.getTokenAfter( + lastSpecifier, + astUtils.isNotCommaToken, + ), + second = sourceCode.getTokenAfter(first, { + includeComments: true, + }), + penultimate = sourceCode.getTokenBefore(last, { + includeComments: true, + }); + + validateBraceSpacing(node, first, second, penultimate, last); + } + + /** + * Reports a given export node if spacing in curly braces is invalid. + * @param {ASTNode} node An ExportNamedDeclaration node to check. + * @returns {void} + */ + function checkForExport(node) { + if (node.specifiers.length === 0) { + return; + } + + const firstSpecifier = node.specifiers[0], + lastSpecifier = node.specifiers.at(-1), + first = sourceCode.getTokenBefore(firstSpecifier), + last = sourceCode.getTokenAfter( + lastSpecifier, + astUtils.isNotCommaToken, + ), + second = sourceCode.getTokenAfter(first, { + includeComments: true, + }), + penultimate = sourceCode.getTokenBefore(last, { + includeComments: true, + }); + + validateBraceSpacing(node, first, second, penultimate, last); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + // var {x} = y; + ObjectPattern: checkForObject, + + // var y = {x: 'y'} + ObjectExpression: checkForObject, + + // import {y} from 'x'; + ImportDeclaration: checkForImport, + + // export {name} from 'yo'; + ExportNamedDeclaration: checkForExport, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/object-property-newline.js b/module/node_modules/eslint/lib/rules/object-property-newline.js new file mode 100644 index 000000000..6921e048a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/object-property-newline.js @@ -0,0 +1,151 @@ +/** + * @fileoverview Rule to enforce placing object properties on separate lines. + * @author Vitor Balocco + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "object-property-newline", + url: "https://eslint.style/rules/object-property-newline", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce placing object properties on separate lines", + recommended: false, + url: "https://eslint.org/docs/latest/rules/object-property-newline", + }, + + schema: [ + { + type: "object", + properties: { + allowAllPropertiesOnSameLine: { + type: "boolean", + default: false, + }, + allowMultiplePropertiesPerLine: { + // Deprecated + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + + fixable: "whitespace", + + messages: { + propertiesOnNewlineAll: + "Object properties must go on a new line if they aren't all on the same line.", + propertiesOnNewline: "Object properties must go on a new line.", + }, + }, + + create(context) { + const allowSameLine = + context.options[0] && + (context.options[0].allowAllPropertiesOnSameLine || + context.options[0] + .allowMultiplePropertiesPerLine); /* Deprecated */ + const messageId = allowSameLine + ? "propertiesOnNewlineAll" + : "propertiesOnNewline"; + + const sourceCode = context.sourceCode; + + return { + ObjectExpression(node) { + if (allowSameLine) { + if (node.properties.length > 1) { + const firstTokenOfFirstProperty = + sourceCode.getFirstToken(node.properties[0]); + const lastTokenOfLastProperty = sourceCode.getLastToken( + node.properties.at(-1), + ); + + if ( + firstTokenOfFirstProperty.loc.end.line === + lastTokenOfLastProperty.loc.start.line + ) { + // All keys and values are on the same line + return; + } + } + } + + for (let i = 1; i < node.properties.length; i++) { + const lastTokenOfPreviousProperty = sourceCode.getLastToken( + node.properties[i - 1], + ); + const firstTokenOfCurrentProperty = + sourceCode.getFirstToken(node.properties[i]); + + if ( + lastTokenOfPreviousProperty.loc.end.line === + firstTokenOfCurrentProperty.loc.start.line + ) { + context.report({ + node, + loc: firstTokenOfCurrentProperty.loc, + messageId, + fix(fixer) { + const comma = sourceCode.getTokenBefore( + firstTokenOfCurrentProperty, + ); + const rangeAfterComma = [ + comma.range[1], + firstTokenOfCurrentProperty.range[0], + ]; + + // Don't perform a fix if there are any comments between the comma and the next property. + if ( + sourceCode.text + .slice( + rangeAfterComma[0], + rangeAfterComma[1], + ) + .trim() + ) { + return null; + } + + return fixer.replaceTextRange( + rangeAfterComma, + "\n", + ); + }, + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/object-shorthand.js b/module/node_modules/eslint/lib/rules/object-shorthand.js new file mode 100644 index 000000000..916d5374d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/object-shorthand.js @@ -0,0 +1,652 @@ +/** + * @fileoverview Rule to enforce concise object methods and properties. + * @author Jamund Ferguson + */ + +"use strict"; + +const OPTIONS = { + always: "always", + never: "never", + methods: "methods", + properties: "properties", + consistent: "consistent", + consistentAsNeeded: "consistent-as-needed", +}; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ +const astUtils = require("./utils/ast-utils"); + +//-------------------------------------------------------------------------- +// Helpers +//-------------------------------------------------------------------------- +const CTOR_PREFIX_REGEX = /[^_$0-9]/u; +const JSDOC_COMMENT_REGEX = /^\s*\*/u; + +/** + * Determines if the first character of the name is a capital letter. + * @param {string} name The name of the node to evaluate. + * @returns {boolean} True if the first character of the property name is a capital letter, false if not. + * @private + */ +function isConstructor(name) { + const match = CTOR_PREFIX_REGEX.exec(name); + + // Not a constructor if name has no characters apart from '_', '$' and digits e.g. '_', '$$', '_8' + if (!match) { + return false; + } + + const firstChar = name.charAt(match.index); + + return firstChar === firstChar.toUpperCase(); +} + +/** + * Determines if the property can have a shorthand form. + * @param {ASTNode} property Property AST node + * @returns {boolean} True if the property can have a shorthand form + * @private + */ +function canHaveShorthand(property) { + return ( + property.kind !== "set" && + property.kind !== "get" && + property.type !== "SpreadElement" && + property.type !== "SpreadProperty" && + property.type !== "ExperimentalSpreadProperty" + ); +} + +/** + * Checks whether a node is a string literal. + * @param {ASTNode} node Any AST node. + * @returns {boolean} `true` if it is a string literal. + */ +function isStringLiteral(node) { + return node.type === "Literal" && typeof node.value === "string"; +} + +/** + * Determines if the property is a shorthand or not. + * @param {ASTNode} property Property AST node + * @returns {boolean} True if the property is considered shorthand, false if not. + * @private + */ +function isShorthand(property) { + // property.method is true when `{a(){}}`. + return property.shorthand || property.method; +} + +/** + * Determines if the property's key and method or value are named equally. + * @param {ASTNode} property Property AST node + * @returns {boolean} True if the key and value are named equally, false if not. + * @private + */ +function isRedundant(property) { + const value = property.value; + + if (value.type === "FunctionExpression") { + return !value.id; // Only anonymous should be shorthand method. + } + if (value.type === "Identifier") { + return astUtils.getStaticPropertyName(property) === value.name; + } + + return false; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Require or disallow method and property shorthand syntax for object literals", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/object-shorthand", + }, + + fixable: "code", + + schema: { + anyOf: [ + { + type: "array", + items: [ + { + enum: [ + "always", + "methods", + "properties", + "never", + "consistent", + "consistent-as-needed", + ], + }, + ], + minItems: 0, + maxItems: 1, + }, + { + type: "array", + items: [ + { + enum: ["always", "methods", "properties"], + }, + { + type: "object", + properties: { + avoidQuotes: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + minItems: 0, + maxItems: 2, + }, + { + type: "array", + items: [ + { + enum: ["always", "methods"], + }, + { + type: "object", + properties: { + ignoreConstructors: { + type: "boolean", + }, + methodsIgnorePattern: { + type: "string", + }, + avoidQuotes: { + type: "boolean", + }, + avoidExplicitReturnArrows: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + minItems: 0, + maxItems: 2, + }, + ], + }, + + messages: { + expectedAllPropertiesShorthanded: + "Expected shorthand for all properties.", + expectedLiteralMethodLongform: + "Expected longform method syntax for string literal keys.", + expectedPropertyShorthand: "Expected property shorthand.", + expectedPropertyLongform: "Expected longform property syntax.", + expectedMethodShorthand: "Expected method shorthand.", + expectedMethodLongform: "Expected longform method syntax.", + unexpectedMix: + "Unexpected mix of shorthand and non-shorthand properties.", + }, + }, + + create(context) { + const APPLY = context.options[0] || OPTIONS.always; + const APPLY_TO_METHODS = + APPLY === OPTIONS.methods || APPLY === OPTIONS.always; + const APPLY_TO_PROPS = + APPLY === OPTIONS.properties || APPLY === OPTIONS.always; + const APPLY_NEVER = APPLY === OPTIONS.never; + const APPLY_CONSISTENT = APPLY === OPTIONS.consistent; + const APPLY_CONSISTENT_AS_NEEDED = APPLY === OPTIONS.consistentAsNeeded; + + const PARAMS = context.options[1] || {}; + const IGNORE_CONSTRUCTORS = PARAMS.ignoreConstructors; + const METHODS_IGNORE_PATTERN = PARAMS.methodsIgnorePattern + ? new RegExp(PARAMS.methodsIgnorePattern, "u") + : null; + const AVOID_QUOTES = PARAMS.avoidQuotes; + const AVOID_EXPLICIT_RETURN_ARROWS = !!PARAMS.avoidExplicitReturnArrows; + const sourceCode = context.sourceCode; + + /** + * Ensures that an object's properties are consistently shorthand, or not shorthand at all. + * @param {ASTNode} node Property AST node + * @param {boolean} checkRedundancy Whether to check longform redundancy + * @returns {void} + */ + function checkConsistency(node, checkRedundancy) { + // We are excluding getters/setters and spread properties as they are considered neither longform nor shorthand. + const properties = node.properties.filter(canHaveShorthand); + + // Do we still have properties left after filtering the getters and setters? + if (properties.length > 0) { + const shorthandProperties = properties.filter(isShorthand); + + /* + * If we do not have an equal number of longform properties as + * shorthand properties, we are using the annotations inconsistently + */ + if (shorthandProperties.length !== properties.length) { + // We have at least 1 shorthand property + if (shorthandProperties.length > 0) { + context.report({ node, messageId: "unexpectedMix" }); + } else if (checkRedundancy) { + /* + * If all properties of the object contain a method or value with a name matching it's key, + * all the keys are redundant. + */ + const canAlwaysUseShorthand = + properties.every(isRedundant); + + if (canAlwaysUseShorthand) { + context.report({ + node, + messageId: "expectedAllPropertiesShorthanded", + }); + } + } + } + } + } + + /** + * Fixes a FunctionExpression node by making it into a shorthand property. + * @param {SourceCodeFixer} fixer The fixer object + * @param {ASTNode} node A `Property` node that has a `FunctionExpression` or `ArrowFunctionExpression` as its value + * @returns {Object} A fix for this node + */ + function makeFunctionShorthand(fixer, node) { + const firstKeyToken = node.computed + ? sourceCode.getFirstToken(node, astUtils.isOpeningBracketToken) + : sourceCode.getFirstToken(node.key); + const lastKeyToken = node.computed + ? sourceCode.getFirstTokenBetween( + node.key, + node.value, + astUtils.isClosingBracketToken, + ) + : sourceCode.getLastToken(node.key); + const keyText = sourceCode.text.slice( + firstKeyToken.range[0], + lastKeyToken.range[1], + ); + let keyPrefix = ""; + + // key: /* */ () => {} + if (sourceCode.commentsExistBetween(lastKeyToken, node.value)) { + return null; + } + + if (node.value.async) { + keyPrefix += "async "; + } + if (node.value.generator) { + keyPrefix += "*"; + } + + const fixRange = [firstKeyToken.range[0], node.range[1]]; + const methodPrefix = keyPrefix + keyText; + + if (node.value.type === "FunctionExpression") { + const functionToken = sourceCode + .getTokens(node.value) + .find( + token => + token.type === "Keyword" && + token.value === "function", + ); + const tokenBeforeParams = node.value.generator + ? sourceCode.getTokenAfter(functionToken) + : functionToken; + + return fixer.replaceTextRange( + fixRange, + methodPrefix + + sourceCode.text.slice( + tokenBeforeParams.range[1], + node.value.range[1], + ), + ); + } + + const arrowToken = sourceCode.getTokenBefore( + node.value.body, + astUtils.isArrowToken, + ); + const fnBody = sourceCode.text.slice( + arrowToken.range[1], + node.value.range[1], + ); + + // First token should not be `async` + const firstValueToken = sourceCode.getFirstToken(node.value, { + skip: node.value.async ? 1 : 0, + }); + + const sliceStart = firstValueToken.range[0]; + const sliceEnd = sourceCode.getTokenBefore(arrowToken).range[1]; + const shouldAddParens = + node.value.params.length === 1 && + node.value.params[0].range[0] === sliceStart; + + const oldParamText = sourceCode.text.slice(sliceStart, sliceEnd); + const newParamText = shouldAddParens + ? `(${oldParamText})` + : oldParamText; + + return fixer.replaceTextRange( + fixRange, + methodPrefix + newParamText + fnBody, + ); + } + + /** + * Fixes a FunctionExpression node by making it into a longform property. + * @param {SourceCodeFixer} fixer The fixer object + * @param {ASTNode} node A `Property` node that has a `FunctionExpression` as its value + * @returns {Object} A fix for this node + */ + function makeFunctionLongform(fixer, node) { + const firstKeyToken = node.computed + ? sourceCode.getTokens(node).find(token => token.value === "[") + : sourceCode.getFirstToken(node.key); + const lastKeyToken = node.computed + ? sourceCode + .getTokensBetween(node.key, node.value) + .find(token => token.value === "]") + : sourceCode.getLastToken(node.key); + const keyText = sourceCode.text.slice( + firstKeyToken.range[0], + lastKeyToken.range[1], + ); + let functionHeader = "function"; + + if (node.value.async) { + functionHeader = `async ${functionHeader}`; + } + if (node.value.generator) { + functionHeader = `${functionHeader}*`; + } + + return fixer.replaceTextRange( + [node.range[0], lastKeyToken.range[1]], + `${keyText}: ${functionHeader}`, + ); + } + + /* + * To determine whether a given arrow function has a lexical identifier (`this`, `arguments`, `super`, or `new.target`), + * create a stack of functions that define these identifiers (i.e. all functions except arrow functions) as the AST is + * traversed. Whenever a new function is encountered, create a new entry on the stack (corresponding to a different lexical + * scope of `this`), and whenever a function is exited, pop that entry off the stack. When an arrow function is entered, + * keep a reference to it on the current stack entry, and remove that reference when the arrow function is exited. + * When a lexical identifier is encountered, mark all the arrow functions on the current stack entry by adding them + * to an `arrowsWithLexicalIdentifiers` set. Any arrow function in that set will not be reported by this rule, + * because converting it into a method would change the value of one of the lexical identifiers. + */ + const lexicalScopeStack = []; + const arrowsWithLexicalIdentifiers = new WeakSet(); + const argumentsIdentifiers = new WeakSet(); + + /** + * Enters a function. This creates a new lexical identifier scope, so a new Set of arrow functions is pushed onto the stack. + * Also, this marks all `arguments` identifiers so that they can be detected later. + * @param {ASTNode} node The node representing the function. + * @returns {void} + */ + function enterFunction(node) { + lexicalScopeStack.unshift(new Set()); + sourceCode + .getScope(node) + .variables.filter(variable => variable.name === "arguments") + .forEach(variable => { + variable.references + .map(ref => ref.identifier) + .forEach(identifier => + argumentsIdentifiers.add(identifier), + ); + }); + } + + /** + * Exits a function. This pops the current set of arrow functions off the lexical scope stack. + * @returns {void} + */ + function exitFunction() { + lexicalScopeStack.shift(); + } + + /** + * Marks the current function as having a lexical keyword. This implies that all arrow functions + * in the current lexical scope contain a reference to this lexical keyword. + * @returns {void} + */ + function reportLexicalIdentifier() { + lexicalScopeStack[0].forEach(arrowFunction => + arrowsWithLexicalIdentifiers.add(arrowFunction), + ); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program: enterFunction, + FunctionDeclaration: enterFunction, + FunctionExpression: enterFunction, + "Program:exit": exitFunction, + "FunctionDeclaration:exit": exitFunction, + "FunctionExpression:exit": exitFunction, + + ArrowFunctionExpression(node) { + lexicalScopeStack[0].add(node); + }, + "ArrowFunctionExpression:exit"(node) { + lexicalScopeStack[0].delete(node); + }, + + ThisExpression: reportLexicalIdentifier, + Super: reportLexicalIdentifier, + MetaProperty(node) { + if ( + node.meta.name === "new" && + node.property.name === "target" + ) { + reportLexicalIdentifier(); + } + }, + Identifier(node) { + if (argumentsIdentifiers.has(node)) { + reportLexicalIdentifier(); + } + }, + + ObjectExpression(node) { + if (APPLY_CONSISTENT) { + checkConsistency(node, false); + } else if (APPLY_CONSISTENT_AS_NEEDED) { + checkConsistency(node, true); + } + }, + + "Property:exit"(node) { + const isConciseProperty = node.method || node.shorthand; + + // Ignore destructuring assignment + if (node.parent.type === "ObjectPattern") { + return; + } + + // getters and setters are ignored + if (node.kind === "get" || node.kind === "set") { + return; + } + + // only computed methods can fail the following checks + if ( + node.computed && + node.value.type !== "FunctionExpression" && + node.value.type !== "ArrowFunctionExpression" + ) { + return; + } + + //-------------------------------------------------------------- + // Checks for property/method shorthand. + if (isConciseProperty) { + if ( + node.method && + (APPLY_NEVER || + (AVOID_QUOTES && isStringLiteral(node.key))) + ) { + const messageId = APPLY_NEVER + ? "expectedMethodLongform" + : "expectedLiteralMethodLongform"; + + // { x() {} } should be written as { x: function() {} } + context.report({ + node, + messageId, + fix: fixer => makeFunctionLongform(fixer, node), + }); + } else if (APPLY_NEVER) { + // { x } should be written as { x: x } + context.report({ + node, + messageId: "expectedPropertyLongform", + fix: fixer => + fixer.insertTextAfter( + node.key, + `: ${node.key.name}`, + ), + }); + } + } else if ( + APPLY_TO_METHODS && + !node.value.id && + (node.value.type === "FunctionExpression" || + node.value.type === "ArrowFunctionExpression") + ) { + if ( + IGNORE_CONSTRUCTORS && + node.key.type === "Identifier" && + isConstructor(node.key.name) + ) { + return; + } + + if (METHODS_IGNORE_PATTERN) { + const propertyName = + astUtils.getStaticPropertyName(node); + + if ( + propertyName !== null && + METHODS_IGNORE_PATTERN.test(propertyName) + ) { + return; + } + } + + if (AVOID_QUOTES && isStringLiteral(node.key)) { + return; + } + + // {[x]: function(){}} should be written as {[x]() {}} + if ( + node.value.type === "FunctionExpression" || + (node.value.type === "ArrowFunctionExpression" && + node.value.body.type === "BlockStatement" && + AVOID_EXPLICIT_RETURN_ARROWS && + !arrowsWithLexicalIdentifiers.has(node.value)) + ) { + context.report({ + node, + messageId: "expectedMethodShorthand", + fix: fixer => makeFunctionShorthand(fixer, node), + }); + } + } else if ( + node.value.type === "Identifier" && + node.key.name === node.value.name && + APPLY_TO_PROPS + ) { + // Skip if there are JSDoc comments inside the property (e.g., JSDoc type annotations) + const comments = sourceCode.getCommentsInside(node); + if ( + comments.some( + comment => + comment.type === "Block" && + JSDOC_COMMENT_REGEX.test(comment.value) && + comment.value.includes("@type"), + ) + ) { + return; + } + + // {x: x} should be written as {x} + context.report({ + node, + messageId: "expectedPropertyShorthand", + fix(fixer) { + // x: /* */ x + // x: (/* */ x) + if (sourceCode.getCommentsInside(node).length > 0) { + return null; + } + + return fixer.replaceText(node, node.value.name); + }, + }); + } else if ( + node.value.type === "Identifier" && + node.key.type === "Literal" && + node.key.value === node.value.name && + APPLY_TO_PROPS + ) { + if (AVOID_QUOTES) { + return; + } + + const comments = sourceCode.getCommentsInside(node); + if ( + comments.some( + comment => + comment.type === "Block" && + comment.value.startsWith("*") && + comment.value.includes("@type"), + ) + ) { + return; + } + + // {"x": x} should be written as {x} + context.report({ + node, + messageId: "expectedPropertyShorthand", + fix(fixer) { + // "x": /* */ x + // "x": (/* */ x) + if (sourceCode.getCommentsInside(node).length > 0) { + return null; + } + + return fixer.replaceText(node, node.value.name); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/one-var-declaration-per-line.js b/module/node_modules/eslint/lib/rules/one-var-declaration-per-line.js new file mode 100644 index 000000000..3671e2721 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/one-var-declaration-per-line.js @@ -0,0 +1,117 @@ +/** + * @fileoverview Rule to check multiple var declarations per line + * @author Alberto Rodríguez + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "one-var-declaration-per-line", + url: "https://eslint.style/rules/one-var-declaration-per-line", + }, + }, + ], + }, + type: "suggestion", + + docs: { + description: + "Require or disallow newlines around variable declarations", + recommended: false, + url: "https://eslint.org/docs/latest/rules/one-var-declaration-per-line", + }, + + schema: [ + { + enum: ["always", "initializations"], + }, + ], + + fixable: "whitespace", + + messages: { + expectVarOnNewline: + "Expected variable declaration to be on a new line.", + }, + }, + + create(context) { + const always = context.options[0] === "always"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Determine if provided keyword is a variant of for specifiers + * @private + * @param {string} keyword keyword to test + * @returns {boolean} True if `keyword` is a variant of for specifier + */ + function isForTypeSpecifier(keyword) { + return ( + keyword === "ForStatement" || + keyword === "ForInStatement" || + keyword === "ForOfStatement" + ); + } + + /** + * Checks newlines around variable declarations. + * @private + * @param {ASTNode} node `VariableDeclaration` node to test + * @returns {void} + */ + function checkForNewLine(node) { + if (isForTypeSpecifier(node.parent.type)) { + return; + } + + const declarations = node.declarations; + let prev; + + declarations.forEach(current => { + if (prev && prev.loc.end.line === current.loc.start.line) { + if (always || prev.init || current.init) { + context.report({ + node, + messageId: "expectVarOnNewline", + loc: current.loc, + fix: fixer => fixer.insertTextBefore(current, "\n"), + }); + } + } + prev = current; + }); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + VariableDeclaration: checkForNewLine, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/one-var.js b/module/node_modules/eslint/lib/rules/one-var.js new file mode 100644 index 000000000..6a4cc074d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/one-var.js @@ -0,0 +1,717 @@ +/** + * @fileoverview A rule to control the use of single variable declarations. + * @author Ian Christian Myers + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines whether the given node is in a statement list. + * @param {ASTNode} node node to check + * @returns {boolean} `true` if the given node is in a statement list + */ +function isInStatementList(node) { + return astUtils.STATEMENT_LIST_PARENTS.has(node.parent.type); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Enforce variables to be declared either together or separately in functions", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/one-var", + }, + + fixable: "code", + + schema: [ + { + oneOf: [ + { + enum: ["always", "never", "consecutive"], + }, + { + type: "object", + properties: { + separateRequires: { + type: "boolean", + }, + var: { + enum: ["always", "never", "consecutive"], + }, + let: { + enum: ["always", "never", "consecutive"], + }, + const: { + enum: ["always", "never", "consecutive"], + }, + using: { + enum: ["always", "never", "consecutive"], + }, + awaitUsing: { + enum: ["always", "never", "consecutive"], + }, + }, + additionalProperties: false, + }, + { + type: "object", + properties: { + initialized: { + enum: ["always", "never", "consecutive"], + }, + uninitialized: { + enum: ["always", "never", "consecutive"], + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + combineUninitialized: + "Combine this with the previous '{{type}}' statement with uninitialized variables.", + combineInitialized: + "Combine this with the previous '{{type}}' statement with initialized variables.", + splitUninitialized: + "Split uninitialized '{{type}}' declarations into multiple statements.", + splitInitialized: + "Split initialized '{{type}}' declarations into multiple statements.", + splitRequires: + "Split requires to be separated into a single block.", + combine: "Combine this with the previous '{{type}}' statement.", + split: "Split '{{type}}' declarations into multiple statements.", + }, + }, + + create(context) { + const MODE_ALWAYS = "always"; + const MODE_NEVER = "never"; + const MODE_CONSECUTIVE = "consecutive"; + const mode = context.options[0] || MODE_ALWAYS; + + const options = {}; + + if (typeof mode === "string") { + // simple options configuration with just a string + options.var = { uninitialized: mode, initialized: mode }; + options.let = { uninitialized: mode, initialized: mode }; + options.const = { uninitialized: mode, initialized: mode }; + options.using = { uninitialized: mode, initialized: mode }; + options.awaitUsing = { uninitialized: mode, initialized: mode }; + } else if (typeof mode === "object") { + // options configuration is an object + options.separateRequires = !!mode.separateRequires; + options.var = { uninitialized: mode.var, initialized: mode.var }; + options.let = { uninitialized: mode.let, initialized: mode.let }; + options.const = { + uninitialized: mode.const, + initialized: mode.const, + }; + options.using = { + uninitialized: mode.using, + initialized: mode.using, + }; + options.awaitUsing = { + uninitialized: mode.awaitUsing, + initialized: mode.awaitUsing, + }; + if (Object.hasOwn(mode, "uninitialized")) { + options.var.uninitialized = mode.uninitialized; + options.let.uninitialized = mode.uninitialized; + options.const.uninitialized = mode.uninitialized; + options.using.uninitialized = mode.uninitialized; + options.awaitUsing.uninitialized = mode.uninitialized; + } + if (Object.hasOwn(mode, "initialized")) { + options.var.initialized = mode.initialized; + options.let.initialized = mode.initialized; + options.const.initialized = mode.initialized; + options.using.initialized = mode.initialized; + options.awaitUsing.initialized = mode.initialized; + } + } + + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + const functionStack = []; + const blockStack = []; + + /** + * Increments the blockStack counter. + * @returns {void} + * @private + */ + function startBlock() { + blockStack.push({ + let: { initialized: false, uninitialized: false }, + const: { initialized: false, uninitialized: false }, + using: { initialized: false, uninitialized: false }, + awaitUsing: { initialized: false, uninitialized: false }, + }); + } + + /** + * Increments the functionStack counter. + * @returns {void} + * @private + */ + function startFunction() { + functionStack.push({ initialized: false, uninitialized: false }); + startBlock(); + } + + /** + * Decrements the blockStack counter. + * @returns {void} + * @private + */ + function endBlock() { + blockStack.pop(); + } + + /** + * Decrements the functionStack counter. + * @returns {void} + * @private + */ + function endFunction() { + functionStack.pop(); + endBlock(); + } + + /** + * Check if a variable declaration is a require. + * @param {ASTNode} decl variable declaration Node + * @returns {bool} if decl is a require, return true; else return false. + * @private + */ + function isRequire(decl) { + return ( + decl.init && + decl.init.type === "CallExpression" && + decl.init.callee.name === "require" + ); + } + + /** + * Records whether initialized/uninitialized/required variables are defined in current scope. + * @param {string} statementType one of: "var", "let", "const", "using", or "awaitUsing" + * @param {ASTNode[]} declarations List of declarations + * @param {Object} currentScope The scope being investigated + * @returns {void} + * @private + */ + function recordTypes(statementType, declarations, currentScope) { + for (let i = 0; i < declarations.length; i++) { + if (declarations[i].init === null) { + if ( + options[statementType] && + options[statementType].uninitialized === MODE_ALWAYS + ) { + currentScope.uninitialized = true; + } + } else { + if ( + options[statementType] && + options[statementType].initialized === MODE_ALWAYS + ) { + if ( + options.separateRequires && + isRequire(declarations[i]) + ) { + currentScope.required = true; + } else { + currentScope.initialized = true; + } + } + } + } + } + + /** + * Determines the current scope (function or block) + * @param {string} statementType one of: "var", "let", "const", "using", or "awaitUsing" + * @returns {Object} The scope associated with statementType + */ + function getCurrentScope(statementType) { + let currentScope; + + if (statementType === "var") { + currentScope = functionStack.at(-1); + } else if (statementType === "let") { + currentScope = blockStack.at(-1).let; + } else if (statementType === "const") { + currentScope = blockStack.at(-1).const; + } else if (statementType === "using") { + currentScope = blockStack.at(-1).using; + } else if (statementType === "awaitUsing") { + currentScope = blockStack.at(-1).awaitUsing; + } + return currentScope; + } + + /** + * Counts the number of initialized and uninitialized declarations in a list of declarations + * @param {ASTNode[]} declarations List of declarations + * @returns {Object} Counts of 'uninitialized' and 'initialized' declarations + * @private + */ + function countDeclarations(declarations) { + const counts = { uninitialized: 0, initialized: 0 }; + + for (let i = 0; i < declarations.length; i++) { + if (declarations[i].init === null) { + counts.uninitialized++; + } else { + counts.initialized++; + } + } + return counts; + } + + /** + * Determines if there is more than one var statement in the current scope. + * @param {string} statementType one of: "var", "let", "const", "using", or "awaitUsing" + * @param {ASTNode[]} declarations List of declarations + * @returns {boolean} Returns true if it is the first var declaration, false if not. + * @private + */ + function hasOnlyOneStatement(statementType, declarations) { + const declarationCounts = countDeclarations(declarations); + const currentOptions = options[statementType] || {}; + const currentScope = getCurrentScope(statementType); + const hasRequires = declarations.some(isRequire); + + if ( + currentOptions.uninitialized === MODE_ALWAYS && + currentOptions.initialized === MODE_ALWAYS + ) { + if (currentScope.uninitialized || currentScope.initialized) { + if (!hasRequires) { + return false; + } + } + } + + if (declarationCounts.uninitialized > 0) { + if ( + currentOptions.uninitialized === MODE_ALWAYS && + currentScope.uninitialized + ) { + return false; + } + } + if (declarationCounts.initialized > 0) { + if ( + currentOptions.initialized === MODE_ALWAYS && + currentScope.initialized + ) { + if (!hasRequires) { + return false; + } + } + } + if (currentScope.required && hasRequires) { + return false; + } + recordTypes(statementType, declarations, currentScope); + return true; + } + + /** + * Fixer to join VariableDeclaration's into a single declaration + * @param {VariableDeclarator[]} declarations The `VariableDeclaration` to join + * @returns {Function} The fixer function + */ + function joinDeclarations(declarations) { + const declaration = declarations[0]; + const body = Array.isArray(declaration.parent.parent.body) + ? declaration.parent.parent.body + : []; + const currentIndex = body.findIndex( + node => node.range[0] === declaration.parent.range[0], + ); + const previousNode = body[currentIndex - 1]; + + return function* joinDeclarationsFixer(fixer) { + const type = sourceCode.getFirstToken(declaration.parent); + const beforeType = sourceCode.getTokenBefore(type); + + if ( + previousNode && + previousNode.kind === declaration.parent.kind + ) { + if (beforeType.value === ";") { + yield fixer.replaceText(beforeType, ","); + } else { + yield fixer.insertTextAfter(beforeType, ","); + } + + if (declaration.parent.kind === "await using") { + const usingToken = sourceCode.getTokenAfter(type); + yield fixer.remove(usingToken); + } + + yield fixer.replaceText(type, ""); + } + }; + } + + /** + * Fixer to split a VariableDeclaration into individual declarations + * @param {VariableDeclaration} declaration The `VariableDeclaration` to split + * @returns {Function|null} The fixer function + */ + function splitDeclarations(declaration) { + const { parent } = declaration; + + // don't autofix code such as: if (foo) var x, y; + if ( + !isInStatementList( + parent.type === "ExportNamedDeclaration" + ? parent + : declaration, + ) + ) { + return null; + } + + return fixer => + declaration.declarations + .map(declarator => { + const tokenAfterDeclarator = + sourceCode.getTokenAfter(declarator); + + if (tokenAfterDeclarator === null) { + return null; + } + + const afterComma = sourceCode.getTokenAfter( + tokenAfterDeclarator, + { includeComments: true }, + ); + + if (tokenAfterDeclarator.value !== ",") { + return null; + } + + const exportPlacement = + declaration.parent.type === "ExportNamedDeclaration" + ? "export " + : ""; + + /* + * `var x,y` + * tokenAfterDeclarator ^^ afterComma + */ + if ( + afterComma.range[0] === + tokenAfterDeclarator.range[1] + ) { + return fixer.replaceText( + tokenAfterDeclarator, + `; ${exportPlacement}${declaration.kind} `, + ); + } + + /* + * `var x, + * tokenAfterDeclarator ^ + * y` + * ^ afterComma + */ + if ( + afterComma.loc.start.line > + tokenAfterDeclarator.loc.end.line || + afterComma.type === "Line" || + afterComma.type === "Block" + ) { + let lastComment = afterComma; + + while ( + lastComment.type === "Line" || + lastComment.type === "Block" + ) { + lastComment = sourceCode.getTokenAfter( + lastComment, + { includeComments: true }, + ); + } + + return fixer.replaceTextRange( + [ + tokenAfterDeclarator.range[0], + lastComment.range[0], + ], + `;${sourceCode.text.slice( + tokenAfterDeclarator.range[1], + lastComment.range[0], + )}${exportPlacement}${declaration.kind} `, + ); + } + + return fixer.replaceText( + tokenAfterDeclarator, + `; ${exportPlacement}${declaration.kind}`, + ); + }) + .filter(x => x); + } + + /** + * Checks a given VariableDeclaration node for errors. + * @param {ASTNode} node The VariableDeclaration node to check + * @returns {void} + * @private + */ + function checkVariableDeclaration(node) { + const parent = node.parent; + const type = node.kind; + const key = type === "await using" ? "awaitUsing" : type; + + if (!options[key]) { + return; + } + + const declarations = node.declarations; + const declarationCounts = countDeclarations(declarations); + const mixedRequires = + declarations.some(isRequire) && !declarations.every(isRequire); + + if (options[key].initialized === MODE_ALWAYS) { + if (options.separateRequires && mixedRequires) { + context.report({ + node, + messageId: "splitRequires", + }); + } + } + + // consecutive + const nodeIndex = + (parent.body && + parent.body.length > 0 && + parent.body.indexOf(node)) || + 0; + + if (nodeIndex > 0) { + const previousNode = parent.body[nodeIndex - 1]; + const isPreviousNodeDeclaration = + previousNode.type === "VariableDeclaration"; + const declarationsWithPrevious = declarations.concat( + previousNode.declarations || [], + ); + + if ( + isPreviousNodeDeclaration && + previousNode.kind === type && + !( + declarationsWithPrevious.some(isRequire) && + !declarationsWithPrevious.every(isRequire) + ) + ) { + const previousDeclCounts = countDeclarations( + previousNode.declarations, + ); + + if ( + options[key].initialized === MODE_CONSECUTIVE && + options[key].uninitialized === MODE_CONSECUTIVE + ) { + context.report({ + node, + messageId: "combine", + data: { + type, + }, + fix: joinDeclarations(declarations), + }); + } else if ( + options[key].initialized === MODE_CONSECUTIVE && + declarationCounts.initialized > 0 && + previousDeclCounts.initialized > 0 + ) { + context.report({ + node, + messageId: "combineInitialized", + data: { + type, + }, + fix: joinDeclarations(declarations), + }); + } else if ( + options[key].uninitialized === MODE_CONSECUTIVE && + declarationCounts.uninitialized > 0 && + previousDeclCounts.uninitialized > 0 + ) { + context.report({ + node, + messageId: "combineUninitialized", + data: { + type, + }, + fix: joinDeclarations(declarations), + }); + } + } + } + + // always + if (!hasOnlyOneStatement(key, declarations)) { + if ( + options[key].initialized === MODE_ALWAYS && + options[key].uninitialized === MODE_ALWAYS + ) { + context.report({ + node, + messageId: "combine", + data: { + type, + }, + fix: joinDeclarations(declarations), + }); + } else { + if ( + options[key].initialized === MODE_ALWAYS && + declarationCounts.initialized > 0 + ) { + context.report({ + node, + messageId: "combineInitialized", + data: { + type, + }, + fix: joinDeclarations(declarations), + }); + } + if ( + options[key].uninitialized === MODE_ALWAYS && + declarationCounts.uninitialized > 0 + ) { + if ( + node.parent.left === node && + (node.parent.type === "ForInStatement" || + node.parent.type === "ForOfStatement") + ) { + return; + } + context.report({ + node, + messageId: "combineUninitialized", + data: { + type, + }, + fix: joinDeclarations(declarations), + }); + } + } + } + + // never + if (parent.type !== "ForStatement" || parent.init !== node) { + const totalDeclarations = + declarationCounts.uninitialized + + declarationCounts.initialized; + + if (totalDeclarations > 1) { + if ( + options[key].initialized === MODE_NEVER && + options[key].uninitialized === MODE_NEVER + ) { + // both initialized and uninitialized + context.report({ + node, + messageId: "split", + data: { + type, + }, + fix: splitDeclarations(node), + }); + } else if ( + options[key].initialized === MODE_NEVER && + declarationCounts.initialized > 0 + ) { + // initialized + context.report({ + node, + messageId: "splitInitialized", + data: { + type, + }, + fix: splitDeclarations(node), + }); + } else if ( + options[key].uninitialized === MODE_NEVER && + declarationCounts.uninitialized > 0 + ) { + // uninitialized + context.report({ + node, + messageId: "splitUninitialized", + data: { + type, + }, + fix: splitDeclarations(node), + }); + } + } + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + Program: startFunction, + FunctionDeclaration: startFunction, + FunctionExpression: startFunction, + ArrowFunctionExpression: startFunction, + StaticBlock: startFunction, // StaticBlock creates a new scope for `var` variables + + BlockStatement: startBlock, + ForStatement: startBlock, + ForInStatement: startBlock, + ForOfStatement: startBlock, + SwitchStatement: startBlock, + VariableDeclaration: checkVariableDeclaration, + "ForStatement:exit": endBlock, + "ForOfStatement:exit": endBlock, + "ForInStatement:exit": endBlock, + "SwitchStatement:exit": endBlock, + "BlockStatement:exit": endBlock, + + "Program:exit": endFunction, + "FunctionDeclaration:exit": endFunction, + "FunctionExpression:exit": endFunction, + "ArrowFunctionExpression:exit": endFunction, + "StaticBlock:exit": endFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/operator-assignment.js b/module/node_modules/eslint/lib/rules/operator-assignment.js new file mode 100644 index 000000000..50ae9996d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/operator-assignment.js @@ -0,0 +1,270 @@ +/** + * @fileoverview Rule to replace assignment expressions with operator assignment + * @author Brandon Mills + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether an operator is commutative and has an operator assignment + * shorthand form. + * @param {string} operator Operator to check. + * @returns {boolean} True if the operator is commutative and has a + * shorthand form. + */ +function isCommutativeOperatorWithShorthand(operator) { + return ["*", "&", "^", "|"].includes(operator); +} + +/** + * Checks whether an operator is not commutative and has an operator assignment + * shorthand form. + * @param {string} operator Operator to check. + * @returns {boolean} True if the operator is not commutative and has + * a shorthand form. + */ +function isNonCommutativeOperatorWithShorthand(operator) { + return ["+", "-", "/", "%", "<<", ">>", ">>>", "**"].includes(operator); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** + * Determines if the left side of a node can be safely fixed (i.e. if it activates the same getters/setters and) + * toString calls regardless of whether assignment shorthand is used) + * @param {ASTNode} node The node on the left side of the expression + * @returns {boolean} `true` if the node can be fixed + */ +function canBeFixed(node) { + return ( + node.type === "Identifier" || + (node.type === "MemberExpression" && + (node.object.type === "Identifier" || + node.object.type === "ThisExpression") && + (!node.computed || node.property.type === "Literal")) + ); +} + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: ["always"], + + docs: { + description: + "Require or disallow assignment operator shorthand where possible", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/operator-assignment", + }, + + schema: [ + { + enum: ["always", "never"], + }, + ], + + fixable: "code", + messages: { + replaced: + "Assignment (=) can be replaced with operator assignment ({{operator}}).", + unexpected: + "Unexpected operator assignment ({{operator}}) shorthand.", + }, + }, + + create(context) { + const never = context.options[0] === "never"; + const sourceCode = context.sourceCode; + + /** + * Returns the operator token of an AssignmentExpression or BinaryExpression + * @param {ASTNode} node An AssignmentExpression or BinaryExpression node + * @returns {Token} The operator token in the node + */ + function getOperatorToken(node) { + return sourceCode.getFirstTokenBetween( + node.left, + node.right, + token => token.value === node.operator, + ); + } + + /** + * Ensures that an assignment uses the shorthand form where possible. + * @param {ASTNode} node An AssignmentExpression node. + * @returns {void} + */ + function verify(node) { + if ( + node.operator !== "=" || + node.right.type !== "BinaryExpression" + ) { + return; + } + + const left = node.left; + const expr = node.right; + const operator = expr.operator; + + if ( + isCommutativeOperatorWithShorthand(operator) || + isNonCommutativeOperatorWithShorthand(operator) + ) { + const replacementOperator = `${operator}=`; + + if (astUtils.isSameReference(left, expr.left, true)) { + context.report({ + node, + messageId: "replaced", + data: { operator: replacementOperator }, + fix(fixer) { + if (canBeFixed(left) && canBeFixed(expr.left)) { + const equalsToken = getOperatorToken(node); + const operatorToken = getOperatorToken(expr); + const leftText = sourceCode + .getText() + .slice(node.range[0], equalsToken.range[0]); + const rightText = sourceCode + .getText() + .slice( + operatorToken.range[1], + node.right.range[1], + ); + + // Check for comments that would be removed. + if ( + sourceCode.commentsExistBetween( + equalsToken, + operatorToken, + ) + ) { + return null; + } + + return fixer.replaceText( + node, + `${leftText}${replacementOperator}${rightText}`, + ); + } + return null; + }, + }); + } else if ( + astUtils.isSameReference(left, expr.right, true) && + isCommutativeOperatorWithShorthand(operator) + ) { + /* + * This case can't be fixed safely. + * If `a` and `b` both have custom valueOf() behavior, then fixing `a = b * a` to `a *= b` would + * change the execution order of the valueOf() functions. + */ + context.report({ + node, + messageId: "replaced", + data: { operator: replacementOperator }, + }); + } + } + } + + /** + * Warns if an assignment expression uses operator assignment shorthand. + * @param {ASTNode} node An AssignmentExpression node. + * @returns {void} + */ + function prohibit(node) { + if ( + node.operator !== "=" && + !astUtils.isLogicalAssignmentOperator(node.operator) + ) { + context.report({ + node, + messageId: "unexpected", + data: { operator: node.operator }, + fix(fixer) { + if (canBeFixed(node.left)) { + const firstToken = sourceCode.getFirstToken(node); + const operatorToken = getOperatorToken(node); + const leftText = sourceCode + .getText() + .slice(node.range[0], operatorToken.range[0]); + const newOperator = node.operator.slice(0, -1); + let rightText; + + // Check for comments that would be duplicated. + if ( + sourceCode.commentsExistBetween( + firstToken, + operatorToken, + ) + ) { + return null; + } + + // If this change would modify precedence (e.g. `foo *= bar + 1` => `foo = foo * (bar + 1)`), parenthesize the right side. + if ( + astUtils.getPrecedence(node.right) <= + astUtils.getPrecedence({ + type: "BinaryExpression", + operator: newOperator, + }) && + !astUtils.isParenthesised( + sourceCode, + node.right, + ) + ) { + rightText = `${sourceCode.text.slice(operatorToken.range[1], node.right.range[0])}(${sourceCode.getText(node.right)})`; + } else { + const tokenAfterOperator = + sourceCode.getTokenAfter(operatorToken, { + includeComments: true, + }); + let rightTextPrefix = ""; + + if ( + operatorToken.range[1] === + tokenAfterOperator.range[0] && + !astUtils.canTokensBeAdjacent( + { + type: "Punctuator", + value: newOperator, + }, + tokenAfterOperator, + ) + ) { + rightTextPrefix = " "; // foo+=+bar -> foo= foo+ +bar + } + + rightText = `${rightTextPrefix}${sourceCode.text.slice(operatorToken.range[1], node.range[1])}`; + } + + return fixer.replaceText( + node, + `${leftText}= ${leftText}${newOperator}${rightText}`, + ); + } + return null; + }, + }); + } + } + + return { + AssignmentExpression: !never ? verify : prohibit, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/operator-linebreak.js b/module/node_modules/eslint/lib/rules/operator-linebreak.js new file mode 100644 index 000000000..f0b7d46fa --- /dev/null +++ b/module/node_modules/eslint/lib/rules/operator-linebreak.js @@ -0,0 +1,315 @@ +/** + * @fileoverview Operator linebreak - enforces operator linebreak style of two types: after and before + * @author Benoît Zugmeyer + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "operator-linebreak", + url: "https://eslint.style/rules/operator-linebreak", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent linebreak style for operators", + recommended: false, + url: "https://eslint.org/docs/latest/rules/operator-linebreak", + }, + + schema: [ + { + enum: ["after", "before", "none", null], + }, + { + type: "object", + properties: { + overrides: { + type: "object", + additionalProperties: { + enum: ["after", "before", "none", "ignore"], + }, + }, + }, + additionalProperties: false, + }, + ], + + fixable: "code", + + messages: { + operatorAtBeginning: + "'{{operator}}' should be placed at the beginning of the line.", + operatorAtEnd: + "'{{operator}}' should be placed at the end of the line.", + badLinebreak: "Bad line breaking before and after '{{operator}}'.", + noLinebreak: + "There should be no line break before or after '{{operator}}'.", + }, + }, + + create(context) { + const usedDefaultGlobal = !context.options[0]; + const globalStyle = context.options[0] || "after"; + const options = context.options[1] || {}; + const styleOverrides = options.overrides + ? Object.assign({}, options.overrides) + : {}; + + if (usedDefaultGlobal && !styleOverrides["?"]) { + styleOverrides["?"] = "before"; + } + + if (usedDefaultGlobal && !styleOverrides[":"]) { + styleOverrides[":"] = "before"; + } + + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Gets a fixer function to fix rule issues + * @param {Token} operatorToken The operator token of an expression + * @param {string} desiredStyle The style for the rule. One of 'before', 'after', 'none' + * @returns {Function} A fixer function + */ + function getFixer(operatorToken, desiredStyle) { + return fixer => { + const tokenBefore = sourceCode.getTokenBefore(operatorToken); + const tokenAfter = sourceCode.getTokenAfter(operatorToken); + const textBefore = sourceCode.text.slice( + tokenBefore.range[1], + operatorToken.range[0], + ); + const textAfter = sourceCode.text.slice( + operatorToken.range[1], + tokenAfter.range[0], + ); + const hasLinebreakBefore = !astUtils.isTokenOnSameLine( + tokenBefore, + operatorToken, + ); + const hasLinebreakAfter = !astUtils.isTokenOnSameLine( + operatorToken, + tokenAfter, + ); + let newTextBefore, newTextAfter; + + if ( + hasLinebreakBefore !== hasLinebreakAfter && + desiredStyle !== "none" + ) { + // If there is a comment before and after the operator, don't do a fix. + if ( + sourceCode.getTokenBefore(operatorToken, { + includeComments: true, + }) !== tokenBefore && + sourceCode.getTokenAfter(operatorToken, { + includeComments: true, + }) !== tokenAfter + ) { + return null; + } + + /* + * If there is only one linebreak and it's on the wrong side of the operator, swap the text before and after the operator. + * foo && + * bar + * would get fixed to + * foo + * && bar + */ + newTextBefore = textAfter; + newTextAfter = textBefore; + } else { + const LINEBREAK_REGEX = + astUtils.createGlobalLinebreakMatcher(); + + // Otherwise, if no linebreak is desired and no comments interfere, replace the linebreaks with empty strings. + newTextBefore = + desiredStyle === "before" || textBefore.trim() + ? textBefore + : textBefore.replace(LINEBREAK_REGEX, ""); + newTextAfter = + desiredStyle === "after" || textAfter.trim() + ? textAfter + : textAfter.replace(LINEBREAK_REGEX, ""); + + // If there was no change (due to interfering comments), don't output a fix. + if ( + newTextBefore === textBefore && + newTextAfter === textAfter + ) { + return null; + } + } + + if ( + newTextAfter === "" && + tokenAfter.type === "Punctuator" && + "+-".includes(operatorToken.value) && + tokenAfter.value === operatorToken.value + ) { + // To avoid accidentally creating a ++ or -- operator, insert a space if the operator is a +/- and the following token is a unary +/-. + newTextAfter += " "; + } + + return fixer.replaceTextRange( + [tokenBefore.range[1], tokenAfter.range[0]], + newTextBefore + operatorToken.value + newTextAfter, + ); + }; + } + + /** + * Checks the operator placement + * @param {ASTNode} node The node to check + * @param {ASTNode} rightSide The node that comes after the operator in `node` + * @param {string} operator The operator + * @private + * @returns {void} + */ + function validateNode(node, rightSide, operator) { + /* + * Find the operator token by searching from the right side, because between the left side and the operator + * there could be additional tokens from type annotations. Search specifically for the token which + * value equals the operator, in order to skip possible opening parentheses before the right side node. + */ + const operatorToken = sourceCode.getTokenBefore( + rightSide, + token => token.value === operator, + ); + const leftToken = sourceCode.getTokenBefore(operatorToken); + const rightToken = sourceCode.getTokenAfter(operatorToken); + const operatorStyleOverride = styleOverrides[operator]; + const style = operatorStyleOverride || globalStyle; + const fix = getFixer(operatorToken, style); + + // if single line + if ( + astUtils.isTokenOnSameLine(leftToken, operatorToken) && + astUtils.isTokenOnSameLine(operatorToken, rightToken) + ) { + // do nothing. + } else if ( + operatorStyleOverride !== "ignore" && + !astUtils.isTokenOnSameLine(leftToken, operatorToken) && + !astUtils.isTokenOnSameLine(operatorToken, rightToken) + ) { + // lone operator + context.report({ + node, + loc: operatorToken.loc, + messageId: "badLinebreak", + data: { + operator, + }, + fix, + }); + } else if ( + style === "before" && + astUtils.isTokenOnSameLine(leftToken, operatorToken) + ) { + context.report({ + node, + loc: operatorToken.loc, + messageId: "operatorAtBeginning", + data: { + operator, + }, + fix, + }); + } else if ( + style === "after" && + astUtils.isTokenOnSameLine(operatorToken, rightToken) + ) { + context.report({ + node, + loc: operatorToken.loc, + messageId: "operatorAtEnd", + data: { + operator, + }, + fix, + }); + } else if (style === "none") { + context.report({ + node, + loc: operatorToken.loc, + messageId: "noLinebreak", + data: { + operator, + }, + fix, + }); + } + } + + /** + * Validates a binary expression using `validateNode` + * @param {BinaryExpression|LogicalExpression|AssignmentExpression} node node to be validated + * @returns {void} + */ + function validateBinaryExpression(node) { + validateNode(node, node.right, node.operator); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + BinaryExpression: validateBinaryExpression, + LogicalExpression: validateBinaryExpression, + AssignmentExpression: validateBinaryExpression, + VariableDeclarator(node) { + if (node.init) { + validateNode(node, node.init, "="); + } + }, + PropertyDefinition(node) { + if (node.value) { + validateNode(node, node.value, "="); + } + }, + ConditionalExpression(node) { + validateNode(node, node.consequent, "?"); + validateNode(node, node.alternate, ":"); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/padded-blocks.js b/module/node_modules/eslint/lib/rules/padded-blocks.js new file mode 100644 index 000000000..2df44f890 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/padded-blocks.js @@ -0,0 +1,366 @@ +/** + * @fileoverview A rule to ensure blank lines within blocks. + * @author Mathias Schreck + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "padded-blocks", + url: "https://eslint.style/rules/padded-blocks", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Require or disallow padding within blocks", + recommended: false, + url: "https://eslint.org/docs/latest/rules/padded-blocks", + }, + + fixable: "whitespace", + + schema: [ + { + oneOf: [ + { + enum: ["always", "never"], + }, + { + type: "object", + properties: { + blocks: { + enum: ["always", "never"], + }, + switches: { + enum: ["always", "never"], + }, + classes: { + enum: ["always", "never"], + }, + }, + additionalProperties: false, + minProperties: 1, + }, + ], + }, + { + type: "object", + properties: { + allowSingleLineBlocks: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + alwaysPadBlock: "Block must be padded by blank lines.", + neverPadBlock: "Block must not be padded by blank lines.", + }, + }, + + create(context) { + const options = {}; + const typeOptions = context.options[0] || "always"; + const exceptOptions = context.options[1] || {}; + + if (typeof typeOptions === "string") { + const shouldHavePadding = typeOptions === "always"; + + options.blocks = shouldHavePadding; + options.switches = shouldHavePadding; + options.classes = shouldHavePadding; + } else { + if (Object.hasOwn(typeOptions, "blocks")) { + options.blocks = typeOptions.blocks === "always"; + } + if (Object.hasOwn(typeOptions, "switches")) { + options.switches = typeOptions.switches === "always"; + } + if (Object.hasOwn(typeOptions, "classes")) { + options.classes = typeOptions.classes === "always"; + } + } + + if (Object.hasOwn(exceptOptions, "allowSingleLineBlocks")) { + options.allowSingleLineBlocks = + exceptOptions.allowSingleLineBlocks === true; + } + + const sourceCode = context.sourceCode; + + /** + * Gets the open brace token from a given node. + * @param {ASTNode} node A BlockStatement or SwitchStatement node from which to get the open brace. + * @returns {Token} The token of the open brace. + */ + function getOpenBrace(node) { + if (node.type === "SwitchStatement") { + return sourceCode.getTokenBefore(node.cases[0]); + } + + if (node.type === "StaticBlock") { + return sourceCode.getFirstToken(node, { skip: 1 }); // skip the `static` token + } + + // `BlockStatement` or `ClassBody` + return sourceCode.getFirstToken(node); + } + + /** + * Checks if the given parameter is a comment node + * @param {ASTNode|Token} node An AST node or token + * @returns {boolean} True if node is a comment + */ + function isComment(node) { + return node.type === "Line" || node.type === "Block"; + } + + /** + * Checks if there is padding between two tokens + * @param {Token} first The first token + * @param {Token} second The second token + * @returns {boolean} True if there is at least a line between the tokens + */ + function isPaddingBetweenTokens(first, second) { + return second.loc.start.line - first.loc.end.line >= 2; + } + + /** + * Checks if the given token has a blank line after it. + * @param {Token} token The token to check. + * @returns {boolean} Whether or not the token is followed by a blank line. + */ + function getFirstBlockToken(token) { + let prev, + first = token; + + do { + prev = first; + first = sourceCode.getTokenAfter(first, { + includeComments: true, + }); + } while ( + isComment(first) && + first.loc.start.line === prev.loc.end.line + ); + + return first; + } + + /** + * Checks if the given token is preceded by a blank line. + * @param {Token} token The token to check + * @returns {boolean} Whether or not the token is preceded by a blank line + */ + function getLastBlockToken(token) { + let last = token, + next; + + do { + next = last; + last = sourceCode.getTokenBefore(last, { + includeComments: true, + }); + } while ( + isComment(last) && + last.loc.end.line === next.loc.start.line + ); + + return last; + } + + /** + * Checks if a node should be padded, according to the rule config. + * @param {ASTNode} node The AST node to check. + * @throws {Error} (Unreachable) + * @returns {boolean} True if the node should be padded, false otherwise. + */ + function requirePaddingFor(node) { + switch (node.type) { + case "BlockStatement": + case "StaticBlock": + return options.blocks; + case "SwitchStatement": + return options.switches; + case "ClassBody": + return options.classes; + + /* c8 ignore next */ + default: + throw new Error("unreachable"); + } + } + + /** + * Checks the given BlockStatement node to be padded if the block is not empty. + * @param {ASTNode} node The AST node of a BlockStatement. + * @returns {void} undefined. + */ + function checkPadding(node) { + const openBrace = getOpenBrace(node), + firstBlockToken = getFirstBlockToken(openBrace), + tokenBeforeFirst = sourceCode.getTokenBefore(firstBlockToken, { + includeComments: true, + }), + closeBrace = sourceCode.getLastToken(node), + lastBlockToken = getLastBlockToken(closeBrace), + tokenAfterLast = sourceCode.getTokenAfter(lastBlockToken, { + includeComments: true, + }), + blockHasTopPadding = isPaddingBetweenTokens( + tokenBeforeFirst, + firstBlockToken, + ), + blockHasBottomPadding = isPaddingBetweenTokens( + lastBlockToken, + tokenAfterLast, + ); + + if ( + options.allowSingleLineBlocks && + astUtils.isTokenOnSameLine(tokenBeforeFirst, tokenAfterLast) + ) { + return; + } + + if (requirePaddingFor(node)) { + if (!blockHasTopPadding) { + context.report({ + node, + loc: { + start: tokenBeforeFirst.loc.start, + end: firstBlockToken.loc.start, + }, + fix(fixer) { + return fixer.insertTextAfter( + tokenBeforeFirst, + "\n", + ); + }, + messageId: "alwaysPadBlock", + }); + } + if (!blockHasBottomPadding) { + context.report({ + node, + loc: { + end: tokenAfterLast.loc.start, + start: lastBlockToken.loc.end, + }, + fix(fixer) { + return fixer.insertTextBefore(tokenAfterLast, "\n"); + }, + messageId: "alwaysPadBlock", + }); + } + } else { + if (blockHasTopPadding) { + context.report({ + node, + loc: { + start: tokenBeforeFirst.loc.start, + end: firstBlockToken.loc.start, + }, + fix(fixer) { + return fixer.replaceTextRange( + [ + tokenBeforeFirst.range[1], + firstBlockToken.range[0] - + firstBlockToken.loc.start.column, + ], + "\n", + ); + }, + messageId: "neverPadBlock", + }); + } + + if (blockHasBottomPadding) { + context.report({ + node, + loc: { + end: tokenAfterLast.loc.start, + start: lastBlockToken.loc.end, + }, + messageId: "neverPadBlock", + fix(fixer) { + return fixer.replaceTextRange( + [ + lastBlockToken.range[1], + tokenAfterLast.range[0] - + tokenAfterLast.loc.start.column, + ], + "\n", + ); + }, + }); + } + } + } + + const rule = {}; + + if (Object.hasOwn(options, "switches")) { + rule.SwitchStatement = function (node) { + if (node.cases.length === 0) { + return; + } + checkPadding(node); + }; + } + + if (Object.hasOwn(options, "blocks")) { + rule.BlockStatement = function (node) { + if (node.body.length === 0) { + return; + } + checkPadding(node); + }; + rule.StaticBlock = rule.BlockStatement; + } + + if (Object.hasOwn(options, "classes")) { + rule.ClassBody = function (node) { + if (node.body.length === 0) { + return; + } + checkPadding(node); + }; + } + + return rule; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/padding-line-between-statements.js b/module/node_modules/eslint/lib/rules/padding-line-between-statements.js new file mode 100644 index 000000000..153bf820a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/padding-line-between-statements.js @@ -0,0 +1,612 @@ +/** + * @fileoverview Rule to require or disallow newlines between statements + * @author Toru Nagashima + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const LT = `[${Array.from(astUtils.LINEBREAKS).join("")}]`; +const PADDING_LINE_SEQUENCE = new RegExp( + String.raw`^(\s*?${LT})\s*${LT}(\s*;?)$`, + "u", +); +const CJS_EXPORT = /^(?:module\s*\.\s*)?exports(?:\s*\.|\s*\[|$)/u; +const CJS_IMPORT = /^require\(/u; + +/** + * Creates tester which check if a node starts with specific keyword. + * @param {string} keyword The keyword to test. + * @returns {Object} the created tester. + * @private + */ +function newKeywordTester(keyword) { + return { + test: (node, sourceCode) => + sourceCode.getFirstToken(node).value === keyword, + }; +} + +/** + * Creates tester which check if a node starts with specific keyword and spans a single line. + * @param {string} keyword The keyword to test. + * @returns {Object} the created tester. + * @private + */ +function newSinglelineKeywordTester(keyword) { + return { + test: (node, sourceCode) => + node.loc.start.line === node.loc.end.line && + sourceCode.getFirstToken(node).value === keyword, + }; +} + +/** + * Creates tester which check if a node starts with specific keyword and spans multiple lines. + * @param {string} keyword The keyword to test. + * @returns {Object} the created tester. + * @private + */ +function newMultilineKeywordTester(keyword) { + return { + test: (node, sourceCode) => + node.loc.start.line !== node.loc.end.line && + sourceCode.getFirstToken(node).value === keyword, + }; +} + +/** + * Creates tester which check if a node is specific type. + * @param {string} type The node type to test. + * @returns {Object} the created tester. + * @private + */ +function newNodeTypeTester(type) { + return { + test: node => node.type === type, + }; +} + +/** + * Checks the given node is an expression statement of IIFE. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is an expression statement of IIFE. + * @private + */ +function isIIFEStatement(node) { + if (node.type === "ExpressionStatement") { + let call = astUtils.skipChainExpression(node.expression); + + if (call.type === "UnaryExpression") { + call = astUtils.skipChainExpression(call.argument); + } + return ( + call.type === "CallExpression" && astUtils.isFunction(call.callee) + ); + } + return false; +} + +/** + * Checks whether the given node is a block-like statement. + * This checks the last token of the node is the closing brace of a block. + * @param {SourceCode} sourceCode The source code to get tokens. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is a block-like statement. + * @private + */ +function isBlockLikeStatement(sourceCode, node) { + // do-while with a block is a block-like statement. + if ( + node.type === "DoWhileStatement" && + node.body.type === "BlockStatement" + ) { + return true; + } + + /* + * IIFE is a block-like statement specially from + * JSCS#disallowPaddingNewLinesAfterBlocks. + */ + if (isIIFEStatement(node)) { + return true; + } + + // Checks the last token is a closing brace of blocks. + const lastToken = sourceCode.getLastToken( + node, + astUtils.isNotSemicolonToken, + ); + const belongingNode = + lastToken && astUtils.isClosingBraceToken(lastToken) + ? sourceCode.getNodeByRangeIndex(lastToken.range[0]) + : null; + + return ( + Boolean(belongingNode) && + (belongingNode.type === "BlockStatement" || + belongingNode.type === "SwitchStatement") + ); +} + +/** + * Gets the actual last token. + * + * If a semicolon is semicolon-less style's semicolon, this ignores it. + * For example: + * + * foo() + * ;[1, 2, 3].forEach(bar) + * @param {SourceCode} sourceCode The source code to get tokens. + * @param {ASTNode} node The node to get. + * @returns {Token} The actual last token. + * @private + */ +function getActualLastToken(sourceCode, node) { + const semiToken = sourceCode.getLastToken(node); + const prevToken = sourceCode.getTokenBefore(semiToken); + const nextToken = sourceCode.getTokenAfter(semiToken); + const isSemicolonLessStyle = Boolean( + prevToken && + nextToken && + prevToken.range[0] >= node.range[0] && + astUtils.isSemicolonToken(semiToken) && + semiToken.loc.start.line !== prevToken.loc.end.line && + semiToken.loc.end.line === nextToken.loc.start.line, + ); + + return isSemicolonLessStyle ? prevToken : semiToken; +} + +/** + * This returns the concatenation of the first 2 captured strings. + * @param {string} _ Unused. Whole matched string. + * @param {string} trailingSpaces The trailing spaces of the first line. + * @param {string} indentSpaces The indentation spaces of the last line. + * @returns {string} The concatenation of trailingSpaces and indentSpaces. + * @private + */ +function replacerToRemovePaddingLines(_, trailingSpaces, indentSpaces) { + return trailingSpaces + indentSpaces; +} + +/** + * Check and report statements for `any` configuration. + * It does nothing. + * @returns {void} + * @private + */ +function verifyForAny() {} + +/** + * Check and report statements for `never` configuration. + * This autofix removes blank lines between the given 2 statements. + * However, if comments exist between 2 blank lines, it does not remove those + * blank lines automatically. + * @param {RuleContext} context The rule context to report. + * @param {ASTNode} _ Unused. The previous node to check. + * @param {ASTNode} nextNode The next node to check. + * @param {Array} paddingLines The array of token pairs that blank + * lines exist between the pair. + * @returns {void} + * @private + */ +function verifyForNever(context, _, nextNode, paddingLines) { + if (paddingLines.length === 0) { + return; + } + + context.report({ + node: nextNode, + messageId: "unexpectedBlankLine", + fix(fixer) { + if (paddingLines.length >= 2) { + return null; + } + + const prevToken = paddingLines[0][0]; + const nextToken = paddingLines[0][1]; + const start = prevToken.range[1]; + const end = nextToken.range[0]; + const text = context.sourceCode.text + .slice(start, end) + .replace(PADDING_LINE_SEQUENCE, replacerToRemovePaddingLines); + + return fixer.replaceTextRange([start, end], text); + }, + }); +} + +/** + * Check and report statements for `always` configuration. + * This autofix inserts a blank line between the given 2 statements. + * If the `prevNode` has trailing comments, it inserts a blank line after the + * trailing comments. + * @param {RuleContext} context The rule context to report. + * @param {ASTNode} prevNode The previous node to check. + * @param {ASTNode} nextNode The next node to check. + * @param {Array} paddingLines The array of token pairs that blank + * lines exist between the pair. + * @returns {void} + * @private + */ +function verifyForAlways(context, prevNode, nextNode, paddingLines) { + if (paddingLines.length > 0) { + return; + } + + context.report({ + node: nextNode, + messageId: "expectedBlankLine", + fix(fixer) { + const sourceCode = context.sourceCode; + let prevToken = getActualLastToken(sourceCode, prevNode); + const nextToken = + sourceCode.getFirstTokenBetween(prevToken, nextNode, { + includeComments: true, + + /** + * Skip the trailing comments of the previous node. + * This inserts a blank line after the last trailing comment. + * + * For example: + * + * foo(); // trailing comment. + * // comment. + * bar(); + * + * Get fixed to: + * + * foo(); // trailing comment. + * + * // comment. + * bar(); + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is not a trailing comment. + * @private + */ + filter(token) { + if (astUtils.isTokenOnSameLine(prevToken, token)) { + prevToken = token; + return false; + } + return true; + }, + }) || nextNode; + const insertText = astUtils.isTokenOnSameLine(prevToken, nextToken) + ? "\n\n" + : "\n"; + + return fixer.insertTextAfter(prevToken, insertText); + }, + }); +} + +/** + * Types of blank lines. + * `any`, `never`, and `always` are defined. + * Those have `verify` method to check and report statements. + * @private + */ +const PaddingTypes = { + any: { verify: verifyForAny }, + never: { verify: verifyForNever }, + always: { verify: verifyForAlways }, +}; + +/** + * Types of statements. + * Those have `test` method to check it matches to the given statement. + * @private + */ +const StatementTypes = { + "*": { test: () => true }, + "block-like": { + test: (node, sourceCode) => isBlockLikeStatement(sourceCode, node), + }, + "cjs-export": { + test: (node, sourceCode) => + node.type === "ExpressionStatement" && + node.expression.type === "AssignmentExpression" && + CJS_EXPORT.test(sourceCode.getText(node.expression.left)), + }, + "cjs-import": { + test: (node, sourceCode) => + node.type === "VariableDeclaration" && + node.declarations.length > 0 && + Boolean(node.declarations[0].init) && + CJS_IMPORT.test(sourceCode.getText(node.declarations[0].init)), + }, + directive: { + test: astUtils.isDirective, + }, + expression: { + test: node => + node.type === "ExpressionStatement" && !astUtils.isDirective(node), + }, + iife: { + test: isIIFEStatement, + }, + "multiline-block-like": { + test: (node, sourceCode) => + node.loc.start.line !== node.loc.end.line && + isBlockLikeStatement(sourceCode, node), + }, + "multiline-expression": { + test: node => + node.loc.start.line !== node.loc.end.line && + node.type === "ExpressionStatement" && + !astUtils.isDirective(node), + }, + + "multiline-const": newMultilineKeywordTester("const"), + "multiline-let": newMultilineKeywordTester("let"), + "multiline-var": newMultilineKeywordTester("var"), + "singleline-const": newSinglelineKeywordTester("const"), + "singleline-let": newSinglelineKeywordTester("let"), + "singleline-var": newSinglelineKeywordTester("var"), + + block: newNodeTypeTester("BlockStatement"), + empty: newNodeTypeTester("EmptyStatement"), + function: newNodeTypeTester("FunctionDeclaration"), + + break: newKeywordTester("break"), + case: newKeywordTester("case"), + class: newKeywordTester("class"), + const: newKeywordTester("const"), + continue: newKeywordTester("continue"), + debugger: newKeywordTester("debugger"), + default: newKeywordTester("default"), + do: newKeywordTester("do"), + export: newKeywordTester("export"), + for: newKeywordTester("for"), + if: newKeywordTester("if"), + import: newKeywordTester("import"), + let: newKeywordTester("let"), + return: newKeywordTester("return"), + switch: newKeywordTester("switch"), + throw: newKeywordTester("throw"), + try: newKeywordTester("try"), + var: newKeywordTester("var"), + while: newKeywordTester("while"), + with: newKeywordTester("with"), +}; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "padding-line-between-statements", + url: "https://eslint.style/rules/padding-line-between-statements", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Require or disallow padding lines between statements", + recommended: false, + url: "https://eslint.org/docs/latest/rules/padding-line-between-statements", + }, + + fixable: "whitespace", + + schema: { + definitions: { + paddingType: { + enum: Object.keys(PaddingTypes), + }, + statementType: { + anyOf: [ + { enum: Object.keys(StatementTypes) }, + { + type: "array", + items: { enum: Object.keys(StatementTypes) }, + minItems: 1, + uniqueItems: true, + }, + ], + }, + }, + type: "array", + items: { + type: "object", + properties: { + blankLine: { $ref: "#/definitions/paddingType" }, + prev: { $ref: "#/definitions/statementType" }, + next: { $ref: "#/definitions/statementType" }, + }, + additionalProperties: false, + required: ["blankLine", "prev", "next"], + }, + }, + + messages: { + unexpectedBlankLine: "Unexpected blank line before this statement.", + expectedBlankLine: "Expected blank line before this statement.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const configureList = context.options || []; + let scopeInfo = null; + + /** + * Processes to enter to new scope. + * This manages the current previous statement. + * @returns {void} + * @private + */ + function enterScope() { + scopeInfo = { + upper: scopeInfo, + prevNode: null, + }; + } + + /** + * Processes to exit from the current scope. + * @returns {void} + * @private + */ + function exitScope() { + scopeInfo = scopeInfo.upper; + } + + /** + * Checks whether the given node matches the given type. + * @param {ASTNode} node The statement node to check. + * @param {string|string[]} type The statement type to check. + * @returns {boolean} `true` if the statement node matched the type. + * @private + */ + function match(node, type) { + let innerStatementNode = node; + + while (innerStatementNode.type === "LabeledStatement") { + innerStatementNode = innerStatementNode.body; + } + if (Array.isArray(type)) { + return type.some(match.bind(null, innerStatementNode)); + } + return StatementTypes[type].test(innerStatementNode, sourceCode); + } + + /** + * Finds the last matched configure from configureList. + * @param {ASTNode} prevNode The previous statement to match. + * @param {ASTNode} nextNode The current statement to match. + * @returns {Object} The tester of the last matched configure. + * @private + */ + function getPaddingType(prevNode, nextNode) { + for (let i = configureList.length - 1; i >= 0; --i) { + const configure = configureList[i]; + const matched = + match(prevNode, configure.prev) && + match(nextNode, configure.next); + + if (matched) { + return PaddingTypes[configure.blankLine]; + } + } + return PaddingTypes.any; + } + + /** + * Gets padding line sequences between the given 2 statements. + * Comments are separators of the padding line sequences. + * @param {ASTNode} prevNode The previous statement to count. + * @param {ASTNode} nextNode The current statement to count. + * @returns {Array} The array of token pairs. + * @private + */ + function getPaddingLineSequences(prevNode, nextNode) { + const pairs = []; + let prevToken = getActualLastToken(sourceCode, prevNode); + + if (nextNode.loc.start.line - prevToken.loc.end.line >= 2) { + do { + const token = sourceCode.getTokenAfter(prevToken, { + includeComments: true, + }); + + if (token.loc.start.line - prevToken.loc.end.line >= 2) { + pairs.push([prevToken, token]); + } + prevToken = token; + } while (prevToken.range[0] < nextNode.range[0]); + } + + return pairs; + } + + /** + * Verify padding lines between the given node and the previous node. + * @param {ASTNode} node The node to verify. + * @returns {void} + * @private + */ + function verify(node) { + const parentType = node.parent.type; + const validParent = + astUtils.STATEMENT_LIST_PARENTS.has(parentType) || + parentType === "SwitchStatement"; + + if (!validParent) { + return; + } + + // Save this node as the current previous statement. + const prevNode = scopeInfo.prevNode; + + // Verify. + if (prevNode) { + const type = getPaddingType(prevNode, node); + const paddingLines = getPaddingLineSequences(prevNode, node); + + type.verify(context, prevNode, node, paddingLines); + } + + scopeInfo.prevNode = node; + } + + /** + * Verify padding lines between the given node and the previous node. + * Then process to enter to new scope. + * @param {ASTNode} node The node to verify. + * @returns {void} + * @private + */ + function verifyThenEnterScope(node) { + verify(node); + enterScope(); + } + + return { + Program: enterScope, + BlockStatement: enterScope, + SwitchStatement: enterScope, + StaticBlock: enterScope, + "Program:exit": exitScope, + "BlockStatement:exit": exitScope, + "SwitchStatement:exit": exitScope, + "StaticBlock:exit": exitScope, + + ":statement": verify, + + SwitchCase: verifyThenEnterScope, + "SwitchCase:exit": exitScope, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/prefer-arrow-callback.js b/module/node_modules/eslint/lib/rules/prefer-arrow-callback.js new file mode 100644 index 000000000..0f05b52ad --- /dev/null +++ b/module/node_modules/eslint/lib/rules/prefer-arrow-callback.js @@ -0,0 +1,437 @@ +/** + * @fileoverview A rule to suggest using arrow functions as callbacks. + * @author Toru Nagashima + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether or not a given variable is a function name. + * @param {eslint-scope.Variable} variable A variable to check. + * @returns {boolean} `true` if the variable is a function name. + */ +function isFunctionName(variable) { + return variable && variable.defs[0].type === "FunctionName"; +} + +/** + * Checks whether or not a given MetaProperty node equals to a given value. + * @param {ASTNode} node A MetaProperty node to check. + * @param {string} metaName The name of `MetaProperty.meta`. + * @param {string} propertyName The name of `MetaProperty.property`. + * @returns {boolean} `true` if the node is the specific value. + */ +function checkMetaProperty(node, metaName, propertyName) { + return node.meta.name === metaName && node.property.name === propertyName; +} + +/** + * Gets the variable object of `arguments` which is defined implicitly. + * @param {eslint-scope.Scope} scope A scope to get. + * @returns {eslint-scope.Variable} The found variable object. + */ +function getVariableOfArguments(scope) { + const variables = scope.variables; + + for (let i = 0; i < variables.length; ++i) { + const variable = variables[i]; + + if (variable.name === "arguments") { + /* + * If there was a parameter which is named "arguments", the + * implicit "arguments" is not defined. + * So does fast return with null. + */ + return variable.identifiers.length === 0 ? variable : null; + } + } + + /* c8 ignore next */ + return null; +} + +/** + * Checks whether or not a given node is a callback. + * @param {ASTNode} node A node to check. + * @throws {Error} (Unreachable.) + * @returns {Object} + * {boolean} retv.isCallback - `true` if the node is a callback. + * {boolean} retv.isLexicalThis - `true` if the node is with `.bind(this)`. + */ +function getCallbackInfo(node) { + const retv = { isCallback: false, isLexicalThis: false }; + let currentNode = node; + let parent = node.parent; + let bound = false; + + while (currentNode) { + switch (parent.type) { + // Checks parents recursively. + + case "LogicalExpression": + case "ChainExpression": + case "ConditionalExpression": + break; + + // Checks whether the parent node is `.bind(this)` call. + case "MemberExpression": + if ( + parent.object === currentNode && + !parent.property.computed && + parent.property.type === "Identifier" && + parent.property.name === "bind" + ) { + const maybeCallee = + parent.parent.type === "ChainExpression" + ? parent.parent + : parent; + + if (astUtils.isCallee(maybeCallee)) { + if (!bound) { + bound = true; // Use only the first `.bind()` to make `isLexicalThis` value. + retv.isLexicalThis = + maybeCallee.parent.arguments.length === 1 && + maybeCallee.parent.arguments[0].type === + "ThisExpression"; + } + parent = maybeCallee.parent; + } else { + return retv; + } + } else { + return retv; + } + break; + + // Checks whether the node is a callback. + case "CallExpression": + case "NewExpression": + if (parent.callee !== currentNode) { + retv.isCallback = true; + } + return retv; + + default: + return retv; + } + + currentNode = parent; + parent = parent.parent; + } + + /* c8 ignore next */ + throw new Error("unreachable"); +} + +/** + * Checks whether a simple list of parameters contains any duplicates. This does not handle complex + * parameter lists (e.g. with destructuring), since complex parameter lists are a SyntaxError with duplicate + * parameter names anyway. Instead, it always returns `false` for complex parameter lists. + * @param {ASTNode[]} paramsList The list of parameters for a function + * @returns {boolean} `true` if the list of parameters contains any duplicates + */ +function hasDuplicateParams(paramsList) { + return ( + paramsList.every(param => param.type === "Identifier") && + paramsList.length !== new Set(paramsList.map(param => param.name)).size + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + dialects: ["javascript", "typescript"], + language: "javascript", + + defaultOptions: [ + { allowNamedFunctions: false, allowUnboundThis: true }, + ], + + docs: { + description: "Require using arrow functions for callbacks", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/prefer-arrow-callback", + }, + + schema: [ + { + type: "object", + properties: { + allowNamedFunctions: { + type: "boolean", + }, + allowUnboundThis: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + fixable: "code", + + messages: { + preferArrowCallback: "Unexpected function expression.", + }, + }, + + create(context) { + const [{ allowNamedFunctions, allowUnboundThis }] = context.options; + const sourceCode = context.sourceCode; + + /* + * {Array<{this: boolean, super: boolean, meta: boolean}>} + * - this - A flag which shows there are one or more ThisExpression. + * - super - A flag which shows there are one or more Super. + * - meta - A flag which shows there are one or more MethProperty. + */ + let stack = []; + + /** + * Pushes new function scope with all `false` flags. + * @returns {void} + */ + function enterScope() { + stack.push({ this: false, super: false, meta: false }); + } + + /** + * Pops a function scope from the stack. + * @returns {{this: boolean, super: boolean, meta: boolean}} The information of the last scope. + */ + function exitScope() { + return stack.pop(); + } + + return { + // Reset internal state. + Program() { + stack = []; + }, + + // If there are below, it cannot replace with arrow functions merely. + ThisExpression() { + const info = stack.at(-1); + + if (info) { + info.this = true; + } + }, + + Super() { + const info = stack.at(-1); + + if (info) { + info.super = true; + } + }, + + MetaProperty(node) { + const info = stack.at(-1); + + if (info && checkMetaProperty(node, "new", "target")) { + info.meta = true; + } + }, + + // To skip nested scopes. + FunctionDeclaration: enterScope, + "FunctionDeclaration:exit": exitScope, + + // Main. + FunctionExpression: enterScope, + "FunctionExpression:exit"(node) { + const scopeInfo = exitScope(); + + // Skip named function expressions + if (allowNamedFunctions && node.id && node.id.name) { + return; + } + + // Skip generators. + if (node.generator) { + return; + } + + // Skip recursive functions. + const nameVar = sourceCode.getDeclaredVariables(node)[0]; + + if (isFunctionName(nameVar) && nameVar.references.length > 0) { + return; + } + + // Skip if it's using arguments. + const variable = getVariableOfArguments( + sourceCode.getScope(node), + ); + + if (variable && variable.references.length > 0) { + return; + } + + // Reports if it's a callback which can replace with arrows. + const callbackInfo = getCallbackInfo(node); + + if ( + callbackInfo.isCallback && + (!allowUnboundThis || + !scopeInfo.this || + callbackInfo.isLexicalThis) && + !scopeInfo.super && + !scopeInfo.meta + ) { + context.report({ + node, + messageId: "preferArrowCallback", + *fix(fixer) { + if ( + (!callbackInfo.isLexicalThis && + scopeInfo.this) || + hasDuplicateParams(node.params) + ) { + /* + * If the callback function does not have .bind(this) and contains a reference to `this`, there + * is no way to determine what `this` should be, so don't perform any fixes. + * If the callback function has duplicates in its list of parameters (possible in sloppy mode), + * don't replace it with an arrow function, because this is a SyntaxError with arrow functions. + */ + return; + } + + if ( + node.params.length && + node.params[0].name === "this" + ) { + return; + } + + // Remove `.bind(this)` if exists. + if (callbackInfo.isLexicalThis) { + const memberNode = node.parent; + + /* + * If `.bind(this)` exists but the parent is not `.bind(this)`, don't remove it automatically. + * E.g. `(foo || function(){}).bind(this)` + */ + if (memberNode.type !== "MemberExpression") { + return; + } + + const callNode = memberNode.parent; + const firstTokenToRemove = + sourceCode.getTokenAfter( + memberNode.object, + astUtils.isNotClosingParenToken, + ); + const lastTokenToRemove = + sourceCode.getLastToken(callNode); + + /* + * If the member expression is parenthesized, don't remove the right paren. + * E.g. `(function(){}.bind)(this)` + * ^^^^^^^^^^^^ + */ + if ( + astUtils.isParenthesised( + sourceCode, + memberNode, + ) + ) { + return; + } + + // If comments exist in the `.bind(this)`, don't remove those. + if ( + sourceCode.commentsExistBetween( + firstTokenToRemove, + lastTokenToRemove, + ) + ) { + return; + } + + yield fixer.removeRange([ + firstTokenToRemove.range[0], + lastTokenToRemove.range[1], + ]); + } + + // Convert the function expression to an arrow function. + const functionToken = sourceCode.getFirstToken( + node, + node.async ? 1 : 0, + ); + const leftParenToken = sourceCode.getTokenAfter( + functionToken, + astUtils.isOpeningParenToken, + ); + const tokenBeforeBody = sourceCode.getTokenBefore( + node.body, + ); + + if ( + sourceCode.commentsExistBetween( + functionToken, + leftParenToken, + ) + ) { + // Remove only extra tokens to keep comments. + yield fixer.remove(functionToken); + if (node.id) { + yield fixer.remove(node.id); + } + } else { + // Remove extra tokens and spaces. + yield fixer.removeRange([ + functionToken.range[0], + leftParenToken.range[0], + ]); + } + yield fixer.insertTextAfter(tokenBeforeBody, " =>"); + + // Get the node that will become the new arrow function. + let replacedNode = callbackInfo.isLexicalThis + ? node.parent.parent + : node; + + if (replacedNode.type === "ChainExpression") { + replacedNode = replacedNode.parent; + } + + /* + * If the replaced node is part of a BinaryExpression, LogicalExpression, or MemberExpression, then + * the arrow function needs to be parenthesized, because `foo || () => {}` is invalid syntax even + * though `foo || function() {}` is valid. + */ + if ( + replacedNode.parent.type !== "CallExpression" && + replacedNode.parent.type !== + "ConditionalExpression" && + !astUtils.isParenthesised( + sourceCode, + replacedNode, + ) && + !astUtils.isParenthesised(sourceCode, node) + ) { + yield fixer.insertTextBefore(replacedNode, "("); + yield fixer.insertTextAfter(replacedNode, ")"); + } + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/prefer-const.js b/module/node_modules/eslint/lib/rules/prefer-const.js new file mode 100644 index 000000000..8d5ae29ad --- /dev/null +++ b/module/node_modules/eslint/lib/rules/prefer-const.js @@ -0,0 +1,546 @@ +/** + * @fileoverview A rule to suggest using of const declaration for variables that are never reassigned after declared. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const FixTracker = require("./utils/fix-tracker"); +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const PATTERN_TYPE = + /^(?:.+?Pattern|RestElement|SpreadProperty|ExperimentalRestProperty|Property)$/u; +const DECLARATION_HOST_TYPE = + /^(?:Program|BlockStatement|StaticBlock|SwitchCase)$/u; +const DESTRUCTURING_HOST_TYPE = + /^(?:VariableDeclarator|AssignmentExpression)$/u; + +/** + * Checks whether a given node is located at `ForStatement.init` or not. + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is located at `ForStatement.init`. + */ +function isInitOfForStatement(node) { + return node.parent.type === "ForStatement" && node.parent.init === node; +} + +/** + * Checks whether a given Identifier node becomes a VariableDeclaration or not. + * @param {ASTNode} identifier An Identifier node to check. + * @returns {boolean} `true` if the node can become a VariableDeclaration. + */ +function canBecomeVariableDeclaration(identifier) { + let node = identifier.parent; + + while (PATTERN_TYPE.test(node.type)) { + node = node.parent; + } + + return ( + node.type === "VariableDeclarator" || + (node.type === "AssignmentExpression" && + node.parent.type === "ExpressionStatement" && + DECLARATION_HOST_TYPE.test(node.parent.parent.type)) + ); +} + +/** + * Checks if an property or element is from outer scope or function parameters + * in destructing pattern. + * @param {string} name A variable name to be checked. + * @param {eslint-scope.Scope} initScope A scope to start find. + * @returns {boolean} Indicates if the variable is from outer scope or function parameters. + */ +function isOuterVariableInDestructing(name, initScope) { + if ( + initScope.through.some( + ref => ref.resolved && ref.resolved.name === name, + ) + ) { + return true; + } + + const variable = astUtils.getVariableByName(initScope, name); + + if (variable !== null) { + return variable.defs.some(def => def.type === "Parameter"); + } + + return false; +} + +/** + * Gets the VariableDeclarator/AssignmentExpression node that a given reference + * belongs to. + * This is used to detect a mix of reassigned and never reassigned in a + * destructuring. + * @param {eslint-scope.Reference} reference A reference to get. + * @returns {ASTNode|null} A VariableDeclarator/AssignmentExpression node or + * null. + */ +function getDestructuringHost(reference) { + if (!reference.isWrite()) { + return null; + } + let node = reference.identifier.parent; + + while (PATTERN_TYPE.test(node.type)) { + node = node.parent; + } + + if (!DESTRUCTURING_HOST_TYPE.test(node.type)) { + return null; + } + return node; +} + +/** + * Determines if a destructuring assignment node contains + * any MemberExpression nodes. This is used to determine if a + * variable that is only written once using destructuring can be + * safely converted into a const declaration. + * @param {ASTNode} node The ObjectPattern or ArrayPattern node to check. + * @returns {boolean} True if the destructuring pattern contains + * a MemberExpression, false if not. + */ +function hasMemberExpressionAssignment(node) { + switch (node.type) { + case "ObjectPattern": + return node.properties.some(prop => { + if (prop) { + /* + * Spread elements have an argument property while + * others have a value property. Because different + * parsers use different node types for spread elements, + * we just check if there is an argument property. + */ + return hasMemberExpressionAssignment( + prop.argument || prop.value, + ); + } + + return false; + }); + + case "ArrayPattern": + return node.elements.some(element => { + if (element) { + return hasMemberExpressionAssignment(element); + } + + return false; + }); + + case "AssignmentPattern": + return hasMemberExpressionAssignment(node.left); + + case "MemberExpression": + return true; + + // no default + } + + return false; +} + +/** + * Gets an identifier node of a given variable. + * + * If the initialization exists or one or more reading references exist before + * the first assignment, the identifier node is the node of the declaration. + * Otherwise, the identifier node is the node of the first assignment. + * + * If the variable should not change to const, this function returns null. + * - If the variable is reassigned. + * - If the variable is never initialized nor assigned. + * - If the variable is initialized in a different scope from the declaration. + * - If the unique assignment of the variable cannot change to a declaration. + * e.g. `if (a) b = 1` / `return (b = 1)` + * - If the variable is declared in the global scope and `eslintUsed` is `true`. + * `/*exported foo` directive comment makes such variables. This rule does not + * warn such variables because this rule cannot distinguish whether the + * exported variables are reassigned or not. + * @param {eslint-scope.Variable} variable A variable to get. + * @param {boolean} ignoreReadBeforeAssign + * The value of `ignoreReadBeforeAssign` option. + * @returns {ASTNode|null} + * An Identifier node if the variable should change to const. + * Otherwise, null. + */ +function getIdentifierIfShouldBeConst(variable, ignoreReadBeforeAssign) { + if (variable.eslintUsed && variable.scope.type === "global") { + return null; + } + + // Finds the unique WriteReference. + let writer = null; + let isReadBeforeInit = false; + const references = variable.references; + + for (let i = 0; i < references.length; ++i) { + const reference = references[i]; + + if (reference.isWrite()) { + const isReassigned = + writer !== null && writer.identifier !== reference.identifier; + + if (isReassigned) { + return null; + } + + const destructuringHost = getDestructuringHost(reference); + + if ( + destructuringHost !== null && + destructuringHost.left !== void 0 + ) { + const leftNode = destructuringHost.left; + let hasOuterVariables = false, + hasNonIdentifiers = false; + + if (leftNode.type === "ObjectPattern") { + const properties = leftNode.properties; + + hasOuterVariables = properties + .filter(prop => prop.value) + .map(prop => prop.value.name) + .some(name => + isOuterVariableInDestructing(name, variable.scope), + ); + + hasNonIdentifiers = hasMemberExpressionAssignment(leftNode); + } else if (leftNode.type === "ArrayPattern") { + const elements = leftNode.elements; + + hasOuterVariables = elements + .map(element => element && element.name) + .some(name => + isOuterVariableInDestructing(name, variable.scope), + ); + + hasNonIdentifiers = hasMemberExpressionAssignment(leftNode); + } + + if (hasOuterVariables || hasNonIdentifiers) { + return null; + } + } + + writer = reference; + } else if (reference.isRead() && writer === null) { + if (ignoreReadBeforeAssign) { + return null; + } + isReadBeforeInit = true; + } + } + + /* + * If the assignment is from a different scope, ignore it. + * If the assignment cannot change to a declaration, ignore it. + */ + const shouldBeConst = + writer !== null && + writer.from === variable.scope && + canBecomeVariableDeclaration(writer.identifier); + + if (!shouldBeConst) { + return null; + } + + if (isReadBeforeInit) { + return variable.defs[0].name; + } + + return writer.identifier; +} + +/** + * Groups by the VariableDeclarator/AssignmentExpression node that each + * reference of given variables belongs to. + * This is used to detect a mix of reassigned and never reassigned in a + * destructuring. + * @param {eslint-scope.Variable[]} variables Variables to group by destructuring. + * @param {boolean} ignoreReadBeforeAssign + * The value of `ignoreReadBeforeAssign` option. + * @returns {Map} Grouped identifier nodes. + */ +function groupByDestructuring(variables, ignoreReadBeforeAssign) { + const identifierMap = new Map(); + + for (let i = 0; i < variables.length; ++i) { + const variable = variables[i]; + const references = variable.references; + const identifier = getIdentifierIfShouldBeConst( + variable, + ignoreReadBeforeAssign, + ); + let prevId = null; + + for (let j = 0; j < references.length; ++j) { + const reference = references[j]; + const id = reference.identifier; + + /* + * Avoid counting a reference twice or more for default values of + * destructuring. + */ + if (id === prevId) { + continue; + } + prevId = id; + + // Add the identifier node into the destructuring group. + const group = getDestructuringHost(reference); + + if (group) { + if (identifierMap.has(group)) { + identifierMap.get(group).push(identifier); + } else { + identifierMap.set(group, [identifier]); + } + } + } + } + + return identifierMap; +} + +/** + * Finds the nearest parent of node with a given type. + * @param {ASTNode} node The node to search from. + * @param {string} type The type field of the parent node. + * @param {Function} shouldStop A predicate that returns true if the traversal should stop, and false otherwise. + * @returns {ASTNode} The closest ancestor with the specified type; null if no such ancestor exists. + */ +function findUp(node, type, shouldStop) { + if (!node || shouldStop(node)) { + return null; + } + if (node.type === type) { + return node; + } + return findUp(node.parent, type, shouldStop); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + destructuring: "any", + ignoreReadBeforeAssign: false, + }, + ], + + docs: { + description: + "Require `const` declarations for variables that are never reassigned after declared", + recommended: false, + url: "https://eslint.org/docs/latest/rules/prefer-const", + }, + + fixable: "code", + + schema: [ + { + type: "object", + properties: { + destructuring: { enum: ["any", "all"] }, + ignoreReadBeforeAssign: { type: "boolean" }, + }, + additionalProperties: false, + }, + ], + messages: { + useConst: "'{{name}}' is never reassigned. Use 'const' instead.", + }, + }, + + create(context) { + const [{ destructuring, ignoreReadBeforeAssign }] = context.options; + const shouldMatchAnyDestructuredVariable = destructuring !== "all"; + const sourceCode = context.sourceCode; + const variables = []; + let reportCount = 0; + let checkedId = null; + let checkedName = ""; + + /** + * Reports given identifier nodes if all of the nodes should be declared + * as const. + * + * The argument 'nodes' is an array of Identifier nodes. + * This node is the result of 'getIdentifierIfShouldBeConst()', so it's + * nullable. In simple declaration or assignment cases, the length of + * the array is 1. In destructuring cases, the length of the array can + * be 2 or more. + * @param {(eslint-scope.Reference|null)[]} nodes + * References which are grouped by destructuring to report. + * @returns {void} + */ + function checkGroup(nodes) { + const nodesToReport = nodes.filter(Boolean); + + if ( + nodes.length && + (shouldMatchAnyDestructuredVariable || + nodesToReport.length === nodes.length) + ) { + const varDeclParent = findUp( + nodes[0], + "VariableDeclaration", + parentNode => parentNode.type.endsWith("Statement"), + ); + const isVarDecParentNull = varDeclParent === null; + + if ( + !isVarDecParentNull && + varDeclParent.declarations.length > 0 + ) { + const firstDeclaration = varDeclParent.declarations[0]; + + if (firstDeclaration.init) { + const firstDecParent = firstDeclaration.init.parent; + + /* + * First we check the declaration type and then depending on + * if the type is a "VariableDeclarator" or its an "ObjectPattern" + * we compare the name and id from the first identifier, if the names are different + * we assign the new name, id and reset the count of reportCount and nodeCount in + * order to check each block for the number of reported errors and base our fix + * based on comparing nodes.length and nodesToReport.length. + */ + + if (firstDecParent.type === "VariableDeclarator") { + if (firstDecParent.id.name !== checkedName) { + checkedName = firstDecParent.id.name; + reportCount = 0; + } + + if (firstDecParent.id.type === "ObjectPattern") { + if (firstDecParent.init.name !== checkedName) { + checkedName = firstDecParent.init.name; + reportCount = 0; + } + } + + if (firstDecParent.id !== checkedId) { + checkedId = firstDecParent.id; + reportCount = 0; + } + } + } + } + + let shouldFix = + varDeclParent && + // Don't do a fix unless all variables in the declarations are initialized (or it's in a for-in or for-of loop) + (varDeclParent.parent.type === "ForInStatement" || + varDeclParent.parent.type === "ForOfStatement" || + varDeclParent.declarations.every( + declaration => declaration.init, + )) && + /* + * If options.destructuring is "all", then this warning will not occur unless + * every assignment in the destructuring should be const. In that case, it's safe + * to apply the fix. + */ + nodesToReport.length === nodes.length; + + if ( + !isVarDecParentNull && + varDeclParent.declarations && + varDeclParent.declarations.length !== 1 + ) { + if ( + varDeclParent && + varDeclParent.declarations && + varDeclParent.declarations.length >= 1 + ) { + /* + * Add nodesToReport.length to a count, then comparing the count to the length + * of the declarations in the current block. + */ + + reportCount += nodesToReport.length; + + let totalDeclarationsCount = 0; + + varDeclParent.declarations.forEach(declaration => { + if (declaration.id.type === "ObjectPattern") { + totalDeclarationsCount += + declaration.id.properties.length; + } else if (declaration.id.type === "ArrayPattern") { + totalDeclarationsCount += + declaration.id.elements.length; + } else { + totalDeclarationsCount += 1; + } + }); + + shouldFix = + shouldFix && reportCount === totalDeclarationsCount; + } + } + + nodesToReport.forEach(node => { + context.report({ + node, + messageId: "useConst", + data: node, + fix: shouldFix + ? fixer => { + const letKeywordToken = + sourceCode.getFirstToken( + varDeclParent, + t => t.value === varDeclParent.kind, + ); + + /** + * Extend the replacement range to the whole declaration, + * in order to prevent other fixes in the same pass + * https://github.com/eslint/eslint/issues/13899 + */ + return new FixTracker(fixer, sourceCode) + .retainRange(varDeclParent.range) + .replaceTextRange( + letKeywordToken.range, + "const", + ); + } + : null, + }); + }); + } + } + + return { + "Program:exit"() { + groupByDestructuring(variables, ignoreReadBeforeAssign).forEach( + checkGroup, + ); + }, + + VariableDeclaration(node) { + if (node.kind === "let" && !isInitOfForStatement(node)) { + variables.push(...sourceCode.getDeclaredVariables(node)); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/prefer-destructuring.js b/module/node_modules/eslint/lib/rules/prefer-destructuring.js new file mode 100644 index 000000000..09d0e5be3 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/prefer-destructuring.js @@ -0,0 +1,332 @@ +/** + * @fileoverview Prefer destructuring from arrays and objects + * @author Alex LaFroscia + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const PRECEDENCE_OF_ASSIGNMENT_EXPR = astUtils.getPrecedence({ + type: "AssignmentExpression", +}); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Require destructuring from arrays and/or objects", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/prefer-destructuring", + }, + + fixable: "code", + + schema: [ + { + /* + * old support {array: Boolean, object: Boolean} + * new support {VariableDeclarator: {}, AssignmentExpression: {}} + */ + oneOf: [ + { + type: "object", + properties: { + VariableDeclarator: { + type: "object", + properties: { + array: { + type: "boolean", + }, + object: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + AssignmentExpression: { + type: "object", + properties: { + array: { + type: "boolean", + }, + object: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + }, + additionalProperties: false, + }, + { + type: "object", + properties: { + array: { + type: "boolean", + }, + object: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + }, + { + type: "object", + properties: { + enforceForRenamedProperties: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + preferDestructuring: "Use {{type}} destructuring.", + }, + }, + create(context) { + const enabledTypes = context.options[0]; + const enforceForRenamedProperties = + context.options[1] && + context.options[1].enforceForRenamedProperties; + let normalizedOptions = { + VariableDeclarator: { array: true, object: true }, + AssignmentExpression: { array: true, object: true }, + }; + + if (enabledTypes) { + normalizedOptions = + typeof enabledTypes.array !== "undefined" || + typeof enabledTypes.object !== "undefined" + ? { + VariableDeclarator: enabledTypes, + AssignmentExpression: enabledTypes, + } + : enabledTypes; + } + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Checks if destructuring type should be checked. + * @param {string} nodeType "AssignmentExpression" or "VariableDeclarator" + * @param {string} destructuringType "array" or "object" + * @returns {boolean} `true` if the destructuring type should be checked for the given node + */ + function shouldCheck(nodeType, destructuringType) { + return ( + normalizedOptions && + normalizedOptions[nodeType] && + normalizedOptions[nodeType][destructuringType] + ); + } + + /** + * Determines if the given node is accessing an array index + * + * This is used to differentiate array index access from object property + * access. + * @param {ASTNode} node the node to evaluate + * @returns {boolean} whether or not the node is an integer + */ + function isArrayIndexAccess(node) { + return Number.isInteger(node.property.value); + } + + /** + * Report that the given node should use destructuring + * @param {ASTNode} reportNode the node to report + * @param {string} type the type of destructuring that should have been done + * @param {Function|null} fix the fix function or null to pass to context.report + * @returns {void} + */ + function report(reportNode, type, fix) { + context.report({ + node: reportNode, + messageId: "preferDestructuring", + data: { type }, + fix, + }); + } + + /** + * Determines if a node should be fixed into object destructuring + * + * The fixer only fixes the simplest case of object destructuring, + * like: `let x = a.x`; + * + * Assignment expression is not fixed. + * Array destructuring is not fixed. + * Renamed property is not fixed. + * @param {ASTNode} node the node to evaluate + * @returns {boolean} whether or not the node should be fixed + */ + function shouldFix(node) { + return ( + node.type === "VariableDeclarator" && + node.id.type === "Identifier" && + node.init.type === "MemberExpression" && + !node.init.computed && + node.init.property.type === "Identifier" && + node.id.name === node.init.property.name + ); + } + + /** + * Fix a node into object destructuring. + * This function only handles the simplest case of object destructuring, + * see {@link shouldFix}. + * @param {SourceCodeFixer} fixer the fixer object + * @param {ASTNode} node the node to be fixed. + * @returns {Object} a fix for the node + */ + function fixIntoObjectDestructuring(fixer, node) { + const rightNode = node.init; + const sourceCode = context.sourceCode; + + // Don't fix if that would remove any comments. Only comments inside `rightNode.object` can be preserved. + if ( + sourceCode.getCommentsInside(node).length > + sourceCode.getCommentsInside(rightNode.object).length + ) { + return null; + } + + let objectText = sourceCode.getText(rightNode.object); + + if ( + astUtils.getPrecedence(rightNode.object) < + PRECEDENCE_OF_ASSIGNMENT_EXPR + ) { + objectText = `(${objectText})`; + } + + return fixer.replaceText( + node, + `{${rightNode.property.name}} = ${objectText}`, + ); + } + + /** + * Check that the `prefer-destructuring` rules are followed based on the + * given left- and right-hand side of the assignment. + * + * Pulled out into a separate method so that VariableDeclarators and + * AssignmentExpressions can share the same verification logic. + * @param {ASTNode} leftNode the left-hand side of the assignment + * @param {ASTNode} rightNode the right-hand side of the assignment + * @param {ASTNode} reportNode the node to report the error on + * @returns {void} + */ + function performCheck(leftNode, rightNode, reportNode) { + if ( + rightNode.type !== "MemberExpression" || + rightNode.object.type === "Super" || + rightNode.property.type === "PrivateIdentifier" + ) { + return; + } + + if (isArrayIndexAccess(rightNode)) { + if (shouldCheck(reportNode.type, "array")) { + report(reportNode, "array", null); + } + return; + } + + const fix = shouldFix(reportNode) + ? fixer => fixIntoObjectDestructuring(fixer, reportNode) + : null; + + if ( + shouldCheck(reportNode.type, "object") && + enforceForRenamedProperties + ) { + report(reportNode, "object", fix); + return; + } + + if (shouldCheck(reportNode.type, "object")) { + const property = rightNode.property; + + if ( + (property.type === "Literal" && + leftNode.name === property.value) || + (property.type === "Identifier" && + leftNode.name === property.name && + !rightNode.computed) + ) { + report(reportNode, "object", fix); + } + } + } + + /** + * Check if a given variable declarator is coming from an property access + * that should be using destructuring instead + * @param {ASTNode} node the variable declarator to check + * @returns {void} + */ + function checkVariableDeclarator(node) { + // Skip if variable is declared without assignment + if (!node.init) { + return; + } + + // Variable declarations using explicit resource management cannot use destructuring (parse error) + if ( + node.parent.kind === "using" || + node.parent.kind === "await using" + ) { + return; + } + + // We only care about member expressions past this point + if (node.init.type !== "MemberExpression") { + return; + } + + performCheck(node.id, node.init, node); + } + + /** + * Run the `prefer-destructuring` check on an AssignmentExpression + * @param {ASTNode} node the AssignmentExpression node + * @returns {void} + */ + function checkAssignmentExpression(node) { + if (node.operator === "=") { + performCheck(node.left, node.right, node); + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + VariableDeclarator: checkVariableDeclarator, + AssignmentExpression: checkAssignmentExpression, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/prefer-exponentiation-operator.js b/module/node_modules/eslint/lib/rules/prefer-exponentiation-operator.js new file mode 100644 index 000000000..beb78438b --- /dev/null +++ b/module/node_modules/eslint/lib/rules/prefer-exponentiation-operator.js @@ -0,0 +1,235 @@ +/** + * @fileoverview Rule to disallow Math.pow in favor of the ** operator + * @author Milos Djermanovic + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const { CALL, ReferenceTracker } = require("@eslint-community/eslint-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const PRECEDENCE_OF_EXPONENTIATION_EXPR = astUtils.getPrecedence({ + type: "BinaryExpression", + operator: "**", +}); + +/** + * Determines whether the given node needs parens if used as the base in an exponentiation binary expression. + * @param {ASTNode} base The node to check. + * @returns {boolean} `true` if the node needs to be parenthesised. + */ +function doesBaseNeedParens(base) { + return ( + // '**' is right-associative, parens are needed when Math.pow(a ** b, c) is converted to (a ** b) ** c + astUtils.getPrecedence(base) <= PRECEDENCE_OF_EXPONENTIATION_EXPR || + // An unary operator cannot be used immediately before an exponentiation expression + base.type === "AwaitExpression" || + base.type === "UnaryExpression" + ); +} + +/** + * Determines whether the given node needs parens if used as the exponent in an exponentiation binary expression. + * @param {ASTNode} exponent The node to check. + * @returns {boolean} `true` if the node needs to be parenthesised. + */ +function doesExponentNeedParens(exponent) { + // '**' is right-associative, there is no need for parens when Math.pow(a, b ** c) is converted to a ** b ** c + return astUtils.getPrecedence(exponent) < PRECEDENCE_OF_EXPONENTIATION_EXPR; +} + +/** + * Determines whether an exponentiation binary expression at the place of the given node would need parens. + * @param {ASTNode} node A node that would be replaced by an exponentiation binary expression. + * @param {SourceCode} sourceCode A SourceCode object. + * @returns {boolean} `true` if the expression needs to be parenthesised. + */ +function doesExponentiationExpressionNeedParens(node, sourceCode) { + const parent = + node.parent.type === "ChainExpression" + ? node.parent.parent + : node.parent; + + const parentPrecedence = astUtils.getPrecedence(parent); + const needsParens = + parent.type === "ClassDeclaration" || + (parent.type.endsWith("Expression") && + (parentPrecedence === -1 || + parentPrecedence >= PRECEDENCE_OF_EXPONENTIATION_EXPR) && + !( + parent.type === "BinaryExpression" && + parent.operator === "**" && + parent.right === node + ) && + !( + (parent.type === "CallExpression" || + parent.type === "NewExpression") && + parent.arguments.includes(node) + ) && + !( + parent.type === "MemberExpression" && + parent.computed && + parent.property === node + ) && + !(parent.type === "ArrayExpression")); + + return needsParens && !astUtils.isParenthesised(sourceCode, node); +} + +/** + * Optionally parenthesizes given text. + * @param {string} text The text to parenthesize. + * @param {boolean} shouldParenthesize If `true`, the text will be parenthesised. + * @returns {string} parenthesised or unchanged text. + */ +function parenthesizeIfShould(text, shouldParenthesize) { + return shouldParenthesize ? `(${text})` : text; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow the use of `Math.pow` in favor of the `**` operator", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/prefer-exponentiation-operator", + }, + + schema: [], + fixable: "code", + + messages: { + useExponentiation: "Use the '**' operator instead of 'Math.pow'.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Reports the given node. + * @param {ASTNode} node 'Math.pow()' node to report. + * @returns {void} + */ + function report(node) { + context.report({ + node, + messageId: "useExponentiation", + fix(fixer) { + if ( + node.arguments.length !== 2 || + node.arguments.some( + arg => arg.type === "SpreadElement", + ) || + sourceCode.getCommentsInside(node).length > 0 + ) { + return null; + } + + const base = node.arguments[0], + exponent = node.arguments[1], + baseText = sourceCode.getText(base), + exponentText = sourceCode.getText(exponent), + shouldParenthesizeBase = doesBaseNeedParens(base), + shouldParenthesizeExponent = + doesExponentNeedParens(exponent), + shouldParenthesizeAll = + doesExponentiationExpressionNeedParens( + node, + sourceCode, + ); + + let prefix = "", + suffix = ""; + + if (!shouldParenthesizeAll) { + if (!shouldParenthesizeBase) { + const firstReplacementToken = + sourceCode.getFirstToken(base), + tokenBefore = sourceCode.getTokenBefore(node); + + if ( + tokenBefore && + tokenBefore.range[1] === node.range[0] && + !astUtils.canTokensBeAdjacent( + tokenBefore, + firstReplacementToken, + ) + ) { + prefix = " "; // a+Math.pow(++b, c) -> a+ ++b**c + } + } + if (!shouldParenthesizeExponent) { + const lastReplacementToken = + sourceCode.getLastToken(exponent), + tokenAfter = sourceCode.getTokenAfter(node); + + if ( + tokenAfter && + node.range[1] === tokenAfter.range[0] && + !astUtils.canTokensBeAdjacent( + lastReplacementToken, + tokenAfter, + ) + ) { + suffix = " "; // Math.pow(a, b)in c -> a**b in c + } + } + } + + const baseReplacement = parenthesizeIfShould( + baseText, + shouldParenthesizeBase, + ), + exponentReplacement = parenthesizeIfShould( + exponentText, + shouldParenthesizeExponent, + ), + replacement = parenthesizeIfShould( + `${baseReplacement}**${exponentReplacement}`, + shouldParenthesizeAll, + ); + + return fixer.replaceText( + node, + `${prefix}${replacement}${suffix}`, + ); + }, + }); + } + + return { + Program(node) { + const scope = sourceCode.getScope(node); + const tracker = new ReferenceTracker(scope); + const trackMap = { + Math: { + pow: { [CALL]: true }, + }, + }; + + for (const { node: refNode } of tracker.iterateGlobalReferences( + trackMap, + )) { + report(refNode); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/prefer-named-capture-group.js b/module/node_modules/eslint/lib/rules/prefer-named-capture-group.js new file mode 100644 index 000000000..d5c1f4602 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/prefer-named-capture-group.js @@ -0,0 +1,197 @@ +/** + * @fileoverview Rule to enforce requiring named capture groups in regular expression. + * @author Pig Fang + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { + CALL, + CONSTRUCT, + ReferenceTracker, + getStringIfConstant, +} = require("@eslint-community/eslint-utils"); +const regexpp = require("@eslint-community/regexpp"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** @import { SuggestedEdit } from "@eslint/core"; */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const parser = new regexpp.RegExpParser(); + +/** + * Creates fixer suggestions for the regex, if statically determinable. + * @param {number} groupStart Starting index of the regex group. + * @param {string} pattern The regular expression pattern to be checked. + * @param {string} rawText Source text of the regexNode. + * @param {ASTNode} regexNode AST node which contains the regular expression. + * @returns {Array} Fixer suggestions for the regex, if statically determinable. + */ +function suggestIfPossible(groupStart, pattern, rawText, regexNode) { + switch (regexNode.type) { + case "Literal": + if (typeof regexNode.value === "string" && rawText.includes("\\")) { + return null; + } + break; + case "TemplateLiteral": + if ( + regexNode.expressions.length || + rawText.slice(1, -1) !== pattern + ) { + return null; + } + break; + default: + return null; + } + + const start = regexNode.range[0] + groupStart + 2; + + return [ + { + fix(fixer) { + const existingTemps = pattern.match(/temp\d+/gu) || []; + const highestTempCount = existingTemps.reduce( + (previous, next) => + Math.max(previous, Number(next.slice("temp".length))), + 0, + ); + + return fixer.insertTextBeforeRange( + [start, start], + `?`, + ); + }, + messageId: "addGroupName", + }, + { + fix(fixer) { + return fixer.insertTextBeforeRange([start, start], "?:"); + }, + messageId: "addNonCapture", + }, + ]; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Enforce using named capture group in regular expression", + recommended: false, + url: "https://eslint.org/docs/latest/rules/prefer-named-capture-group", + }, + + hasSuggestions: true, + + schema: [], + + messages: { + addGroupName: "Add name to capture group.", + addNonCapture: "Convert group to non-capturing.", + required: + "Capture group '{{group}}' should be converted to a named or non-capturing group.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Function to check regular expression. + * @param {string} pattern The regular expression pattern to be checked. + * @param {ASTNode} node AST node which contains the regular expression or a call/new expression. + * @param {ASTNode} regexNode AST node which contains the regular expression. + * @param {string|null} flags The regular expression flags to be checked. + * @returns {void} + */ + function checkRegex(pattern, node, regexNode, flags) { + let ast; + + try { + ast = parser.parsePattern(pattern, 0, pattern.length, { + unicode: Boolean(flags && flags.includes("u")), + unicodeSets: Boolean(flags && flags.includes("v")), + }); + } catch { + // ignore regex syntax errors + return; + } + + regexpp.visitRegExpAST(ast, { + onCapturingGroupEnter(group) { + if (!group.name) { + const rawText = sourceCode.getText(regexNode); + const suggest = suggestIfPossible( + group.start, + pattern, + rawText, + regexNode, + ); + + context.report({ + node, + messageId: "required", + data: { + group: group.raw, + }, + suggest, + }); + } + }, + }); + } + + return { + Literal(node) { + if (node.regex) { + checkRegex( + node.regex.pattern, + node, + node, + node.regex.flags, + ); + } + }, + Program(node) { + const scope = sourceCode.getScope(node); + const tracker = new ReferenceTracker(scope); + const traceMap = { + RegExp: { + [CALL]: true, + [CONSTRUCT]: true, + }, + }; + + for (const { node: refNode } of tracker.iterateGlobalReferences( + traceMap, + )) { + const regex = getStringIfConstant(refNode.arguments[0]); + const flags = getStringIfConstant(refNode.arguments[1]); + + if (regex) { + checkRegex(regex, refNode, refNode.arguments[0], flags); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/prefer-numeric-literals.js b/module/node_modules/eslint/lib/rules/prefer-numeric-literals.js new file mode 100644 index 000000000..86dec8879 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/prefer-numeric-literals.js @@ -0,0 +1,157 @@ +/** + * @fileoverview Rule to disallow `parseInt()` in favor of binary, octal, and hexadecimal literals + * @author Annie Zhang, Henry Zhu + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const radixMap = new Map([ + [2, { system: "binary", literalPrefix: "0b" }], + [8, { system: "octal", literalPrefix: "0o" }], + [16, { system: "hexadecimal", literalPrefix: "0x" }], +]); + +/** + * Checks to see if a CallExpression's callee node is `parseInt` or + * `Number.parseInt`. + * @param {ASTNode} calleeNode The callee node to evaluate. + * @returns {boolean} True if the callee is `parseInt` or `Number.parseInt`, + * false otherwise. + */ +function isParseInt(calleeNode) { + return ( + astUtils.isSpecificId(calleeNode, "parseInt") || + astUtils.isSpecificMemberAccess(calleeNode, "Number", "parseInt") + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow `parseInt()` and `Number.parseInt()` in favor of binary, octal, and hexadecimal literals", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/prefer-numeric-literals", + }, + + schema: [], + + messages: { + useLiteral: + "Use {{system}} literals instead of {{functionName}}().", + }, + + fixable: "code", + }, + + create(context) { + const sourceCode = context.sourceCode; + + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + + return { + "CallExpression[arguments.length=2]"(node) { + const [strNode, radixNode] = node.arguments, + str = astUtils.getStaticStringValue(strNode), + radix = radixNode.value; + + if ( + str !== null && + astUtils.isStringLiteral(strNode) && + radixNode.type === "Literal" && + typeof radix === "number" && + radixMap.has(radix) && + isParseInt(node.callee) + ) { + const { system, literalPrefix } = radixMap.get(radix); + + context.report({ + node, + messageId: "useLiteral", + data: { + system, + functionName: sourceCode.getText(node.callee), + }, + fix(fixer) { + if (sourceCode.getCommentsInside(node).length) { + return null; + } + + const replacement = `${literalPrefix}${str}`; + + if (+replacement !== parseInt(str, radix)) { + /* + * If the newly-produced literal would be invalid, (e.g. 0b1234), + * or it would yield an incorrect parseInt result for some other reason, don't make a fix. + * + * If `str` had numeric separators, `+replacement` will evaluate to `NaN` because unary `+` + * per the specification doesn't support numeric separators. Thus, the above condition will be `true` + * (`NaN !== anything` is always `true`) regardless of the `parseInt(str, radix)` value. + * Consequently, no autofixes will be made. This is correct behavior because `parseInt` also + * doesn't support numeric separators, but it does parse part of the string before the first `_`, + * so the autofix would be invalid: + * + * parseInt("1_1", 2) // === 1 + * 0b1_1 // === 3 + */ + return null; + } + + const tokenBefore = sourceCode.getTokenBefore(node), + tokenAfter = sourceCode.getTokenAfter(node); + let prefix = "", + suffix = ""; + + if ( + tokenBefore && + tokenBefore.range[1] === node.range[0] && + !astUtils.canTokensBeAdjacent( + tokenBefore, + replacement, + ) + ) { + prefix = " "; + } + + if ( + tokenAfter && + node.range[1] === tokenAfter.range[0] && + !astUtils.canTokensBeAdjacent( + replacement, + tokenAfter, + ) + ) { + suffix = " "; + } + + return fixer.replaceText( + node, + `${prefix}${replacement}${suffix}`, + ); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/prefer-object-has-own.js b/module/node_modules/eslint/lib/rules/prefer-object-has-own.js new file mode 100644 index 000000000..3e0bb5209 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/prefer-object-has-own.js @@ -0,0 +1,148 @@ +/** + * @fileoverview Prefers Object.hasOwn() instead of Object.prototype.hasOwnProperty.call() + * @author Nitin Kumar + * @author Gautam Arora + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks if the given node is considered to be an access to a property of `Object.prototype`. + * @param {ASTNode} node `MemberExpression` node to evaluate. + * @returns {boolean} `true` if `node.object` is `Object`, `Object.prototype`, or `{}` (empty 'ObjectExpression' node). + */ +function hasLeftHandObject(node) { + /* + * ({}).hasOwnProperty.call(obj, prop) - `true` + * ({ foo }.hasOwnProperty.call(obj, prop)) - `false`, object literal should be empty + */ + if ( + node.object.type === "ObjectExpression" && + node.object.properties.length === 0 + ) { + return true; + } + + const objectNodeToCheck = + node.object.type === "MemberExpression" && + astUtils.getStaticPropertyName(node.object) === "prototype" + ? node.object.object + : node.object; + + if ( + objectNodeToCheck.type === "Identifier" && + objectNodeToCheck.name === "Object" + ) { + return true; + } + + return false; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + docs: { + description: + "Disallow use of `Object.prototype.hasOwnProperty.call()` and prefer use of `Object.hasOwn()`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/prefer-object-has-own", + }, + schema: [], + messages: { + useHasOwn: + "Use 'Object.hasOwn()' instead of 'Object.prototype.hasOwnProperty.call()'.", + }, + fixable: "code", + }, + create(context) { + const sourceCode = context.sourceCode; + + return { + CallExpression(node) { + if ( + !( + node.callee.type === "MemberExpression" && + node.callee.object.type === "MemberExpression" + ) + ) { + return; + } + + const calleePropertyName = astUtils.getStaticPropertyName( + node.callee, + ); + const objectPropertyName = astUtils.getStaticPropertyName( + node.callee.object, + ); + const isObject = hasLeftHandObject(node.callee.object); + + // check `Object` scope + const scope = sourceCode.getScope(node); + const variable = astUtils.getVariableByName(scope, "Object"); + + if ( + calleePropertyName === "call" && + objectPropertyName === "hasOwnProperty" && + isObject && + variable && + variable.scope.type === "global" + ) { + context.report({ + node, + messageId: "useHasOwn", + fix(fixer) { + if ( + sourceCode.getCommentsInside(node.callee) + .length > 0 + ) { + return null; + } + + const tokenJustBeforeNode = + sourceCode.getTokenBefore(node.callee, { + includeComments: true, + }); + + // for https://github.com/eslint/eslint/pull/15346#issuecomment-991417335 + if ( + tokenJustBeforeNode && + tokenJustBeforeNode.range[1] === + node.callee.range[0] && + !astUtils.canTokensBeAdjacent( + tokenJustBeforeNode, + "Object.hasOwn", + ) + ) { + return fixer.replaceText( + node.callee, + " Object.hasOwn", + ); + } + + return fixer.replaceText( + node.callee, + "Object.hasOwn", + ); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/prefer-object-spread.js b/module/node_modules/eslint/lib/rules/prefer-object-spread.js new file mode 100644 index 000000000..6827e2c25 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/prefer-object-spread.js @@ -0,0 +1,319 @@ +/** + * @fileoverview Rule to disallow using `Object.assign` with an object literal as the first argument and prefer the use of object spread instead + * @author Sharmila Jesupaul + */ + +"use strict"; + +const { CALL, ReferenceTracker } = require("@eslint-community/eslint-utils"); +const { + isCommaToken, + isOpeningParenToken, + isClosingParenToken, + isParenthesised, +} = require("./utils/ast-utils"); + +const ANY_SPACE = /\s/u; + +/** + * Helper that checks if the Object.assign call has array spread + * @param {ASTNode} node The node that the rule warns on + * @returns {boolean} - Returns true if the Object.assign call has array spread + */ +function hasArraySpread(node) { + return node.arguments.some(arg => arg.type === "SpreadElement"); +} + +/** + * Determines whether the given node is an accessor property (getter/setter). + * @param {ASTNode} node Node to check. + * @returns {boolean} `true` if the node is a getter or a setter. + */ +function isAccessorProperty(node) { + return ( + node.type === "Property" && (node.kind === "get" || node.kind === "set") + ); +} + +/** + * Determines whether the given object expression node has accessor properties (getters/setters). + * @param {ASTNode} node `ObjectExpression` node to check. + * @returns {boolean} `true` if the node has at least one getter/setter. + */ +function hasAccessors(node) { + return node.properties.some(isAccessorProperty); +} + +/** + * Determines whether the given call expression node has object expression arguments with accessor properties (getters/setters). + * @param {ASTNode} node `CallExpression` node to check. + * @returns {boolean} `true` if the node has at least one argument that is an object expression with at least one getter/setter. + */ +function hasArgumentsWithAccessors(node) { + return node.arguments + .filter(arg => arg.type === "ObjectExpression") + .some(hasAccessors); +} + +/** + * Helper that checks if the node needs parentheses to be valid JS. + * The default is to wrap the node in parentheses to avoid parsing errors. + * @param {ASTNode} node The node that the rule warns on + * @param {Object} sourceCode in context sourcecode object + * @returns {boolean} - Returns true if the node needs parentheses + */ +function needsParens(node, sourceCode) { + const parent = node.parent; + + switch (parent.type) { + case "VariableDeclarator": + case "ArrayExpression": + case "ReturnStatement": + case "CallExpression": + case "Property": + return false; + case "AssignmentExpression": + return parent.left === node && !isParenthesised(sourceCode, node); + default: + return !isParenthesised(sourceCode, node); + } +} + +/** + * Determines if an argument needs parentheses. The default is to not add parens. + * @param {ASTNode} node The node to be checked. + * @param {Object} sourceCode in context sourcecode object + * @returns {boolean} True if the node needs parentheses + */ +function argNeedsParens(node, sourceCode) { + switch (node.type) { + case "AssignmentExpression": + case "ArrowFunctionExpression": + case "ConditionalExpression": + return !isParenthesised(sourceCode, node); + default: + return false; + } +} + +/** + * Get the parenthesis tokens of a given ObjectExpression node. + * This includes the braces of the object literal and enclosing parentheses. + * @param {ASTNode} node The node to get. + * @param {Token} leftArgumentListParen The opening paren token of the argument list. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {Token[]} The parenthesis tokens of the node. This is sorted by the location. + */ +function getParenTokens(node, leftArgumentListParen, sourceCode) { + const parens = [ + sourceCode.getFirstToken(node), + sourceCode.getLastToken(node), + ]; + let leftNext = sourceCode.getTokenBefore(node); + let rightNext = sourceCode.getTokenAfter(node); + + // Note: don't include the parens of the argument list. + while ( + leftNext && + rightNext && + leftNext.range[0] > leftArgumentListParen.range[0] && + isOpeningParenToken(leftNext) && + isClosingParenToken(rightNext) + ) { + parens.push(leftNext, rightNext); + leftNext = sourceCode.getTokenBefore(leftNext); + rightNext = sourceCode.getTokenAfter(rightNext); + } + + return parens.sort((a, b) => a.range[0] - b.range[0]); +} + +/** + * Get the range of a given token and around whitespaces. + * @param {Token} token The token to get range. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {number} The end of the range of the token and around whitespaces. + */ +function getStartWithSpaces(token, sourceCode) { + const text = sourceCode.text; + let start = token.range[0]; + + // If the previous token is a line comment then skip this step to avoid commenting this token out. + { + const prevToken = sourceCode.getTokenBefore(token, { + includeComments: true, + }); + + if (prevToken && prevToken.type === "Line") { + return start; + } + } + + // Detect spaces before the token. + while (ANY_SPACE.test(text[start - 1] || "")) { + start -= 1; + } + + return start; +} + +/** + * Get the range of a given token and around whitespaces. + * @param {Token} token The token to get range. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {number} The start of the range of the token and around whitespaces. + */ +function getEndWithSpaces(token, sourceCode) { + const text = sourceCode.text; + let end = token.range[1]; + + // Detect spaces after the token. + while (ANY_SPACE.test(text[end] || "")) { + end += 1; + } + + return end; +} + +/** + * Autofixes the Object.assign call to use an object spread instead. + * @param {ASTNode|null} node The node that the rule warns on, i.e. the Object.assign call + * @param {string} sourceCode sourceCode of the Object.assign call + * @returns {Function} autofixer - replaces the Object.assign with a spread object. + */ +function defineFixer(node, sourceCode) { + return function* (fixer) { + const leftParen = sourceCode.getTokenAfter( + node.callee, + isOpeningParenToken, + ); + const rightParen = sourceCode.getLastToken(node); + + // Remove everything before the opening paren: callee `Object.assign`, type arguments, and whitespace between the callee and the paren. + yield fixer.removeRange([node.range[0], leftParen.range[0]]); + + // Replace the parens of argument list to braces. + if (needsParens(node, sourceCode)) { + yield fixer.replaceText(leftParen, "({"); + yield fixer.replaceText(rightParen, "})"); + } else { + yield fixer.replaceText(leftParen, "{"); + yield fixer.replaceText(rightParen, "}"); + } + + // Process arguments. + for (const argNode of node.arguments) { + const innerParens = getParenTokens(argNode, leftParen, sourceCode); + const left = innerParens.shift(); + const right = innerParens.pop(); + + if (argNode.type === "ObjectExpression") { + const maybeTrailingComma = sourceCode.getLastToken(argNode, 1); + const maybeArgumentComma = sourceCode.getTokenAfter(right); + + /* + * Make bare this object literal. + * And remove spaces inside of the braces for better formatting. + */ + for (const innerParen of innerParens) { + yield fixer.remove(innerParen); + } + const leftRange = [ + left.range[0], + getEndWithSpaces(left, sourceCode), + ]; + const rightRange = [ + Math.max( + getStartWithSpaces(right, sourceCode), + leftRange[1], + ), // Ensure ranges don't overlap + right.range[1], + ]; + + yield fixer.removeRange(leftRange); + yield fixer.removeRange(rightRange); + + // Remove the comma of this argument if it's duplication. + if ( + (argNode.properties.length === 0 || + isCommaToken(maybeTrailingComma)) && + isCommaToken(maybeArgumentComma) + ) { + yield fixer.remove(maybeArgumentComma); + } + } else { + // Make spread. + if (argNeedsParens(argNode, sourceCode)) { + yield fixer.insertTextBefore(left, "...("); + yield fixer.insertTextAfter(right, ")"); + } else { + yield fixer.insertTextBefore(left, "..."); + } + } + } + }; +} + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow using `Object.assign` with an object literal as the first argument and prefer the use of object spread instead", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/prefer-object-spread", + }, + + schema: [], + fixable: "code", + + messages: { + useSpreadMessage: + "Use an object spread instead of `Object.assign` eg: `{ ...foo }`.", + useLiteralMessage: + "Use an object literal instead of `Object.assign`. eg: `{ foo: bar }`.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + Program(node) { + const scope = sourceCode.getScope(node); + const tracker = new ReferenceTracker(scope); + const trackMap = { + Object: { + assign: { [CALL]: true }, + }, + }; + + // Iterate all calls of `Object.assign` (only of the global variable `Object`). + for (const { node: refNode } of tracker.iterateGlobalReferences( + trackMap, + )) { + if ( + refNode.arguments.length >= 1 && + refNode.arguments[0].type === "ObjectExpression" && + !hasArraySpread(refNode) && + !( + refNode.arguments.length > 1 && + hasArgumentsWithAccessors(refNode) + ) + ) { + const messageId = + refNode.arguments.length === 1 + ? "useLiteralMessage" + : "useSpreadMessage"; + const fix = defineFixer(refNode, sourceCode); + + context.report({ node: refNode, messageId, fix }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/prefer-promise-reject-errors.js b/module/node_modules/eslint/lib/rules/prefer-promise-reject-errors.js new file mode 100644 index 000000000..7043f296d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/prefer-promise-reject-errors.js @@ -0,0 +1,154 @@ +/** + * @fileoverview restrict values that can be used as Promise rejection reasons + * @author Teddy Katz + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + allowEmptyReject: false, + }, + ], + + docs: { + description: + "Require using Error objects as Promise rejection reasons", + recommended: false, + url: "https://eslint.org/docs/latest/rules/prefer-promise-reject-errors", + }, + + fixable: null, + + schema: [ + { + type: "object", + properties: { + allowEmptyReject: { type: "boolean" }, + }, + additionalProperties: false, + }, + ], + + messages: { + rejectAnError: + "Expected the Promise rejection reason to be an Error.", + }, + }, + + create(context) { + const [{ allowEmptyReject }] = context.options; + const sourceCode = context.sourceCode; + + //---------------------------------------------------------------------- + // Helpers + //---------------------------------------------------------------------- + + /** + * Checks the argument of a reject() or Promise.reject() CallExpression, and reports it if it can't be an Error + * @param {ASTNode} callExpression A CallExpression node which is used to reject a Promise + * @returns {void} + */ + function checkRejectCall(callExpression) { + if (!callExpression.arguments.length && allowEmptyReject) { + return; + } + if ( + !callExpression.arguments.length || + !astUtils.couldBeError(callExpression.arguments[0]) || + (callExpression.arguments[0].type === "Identifier" && + callExpression.arguments[0].name === "undefined") + ) { + context.report({ + node: callExpression, + messageId: "rejectAnError", + }); + } + } + + /** + * Determines whether a function call is a Promise.reject() call + * @param {ASTNode} node A CallExpression node + * @returns {boolean} `true` if the call is a Promise.reject() call + */ + function isPromiseRejectCall(node) { + return astUtils.isSpecificMemberAccess( + node.callee, + "Promise", + "reject", + ); + } + + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + + return { + // Check `Promise.reject(value)` calls. + CallExpression(node) { + if (isPromiseRejectCall(node)) { + checkRejectCall(node); + } + }, + + /* + * Check for `new Promise((resolve, reject) => {})`, and check for reject() calls. + * This function is run on "NewExpression:exit" instead of "NewExpression" to ensure that + * the nodes in the expression already have the `parent` property. + */ + "NewExpression:exit"(node) { + if ( + node.callee.type === "Identifier" && + node.callee.name === "Promise" && + node.arguments.length && + astUtils.isFunction(node.arguments[0]) && + node.arguments[0].params.length > 1 && + node.arguments[0].params[1].type === "Identifier" + ) { + sourceCode + .getDeclaredVariables(node.arguments[0]) + + /* + * Find the first variable that matches the second parameter's name. + * If the first parameter has the same name as the second parameter, then the variable will actually + * be "declared" when the first parameter is evaluated, but then it will be immediately overwritten + * by the second parameter. It's not possible for an expression with the variable to be evaluated before + * the variable is overwritten, because functions with duplicate parameters cannot have destructuring or + * default assignments in their parameter lists. Therefore, it's not necessary to explicitly account for + * this case. + */ + .find( + variable => + variable.name === + node.arguments[0].params[1].name, + ) + + // Get the references to that variable. + .references // Only check the references that read the parameter's value. + .filter(ref => ref.isRead()) + + // Only check the references that are used as the callee in a function call, e.g. `reject(foo)`. + .filter( + ref => + ref.identifier.parent.type === + "CallExpression" && + ref.identifier === ref.identifier.parent.callee, + ) + + // Check the argument of the function call to determine whether it's an Error. + .forEach(ref => checkRejectCall(ref.identifier.parent)); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/prefer-reflect.js b/module/node_modules/eslint/lib/rules/prefer-reflect.js new file mode 100644 index 000000000..4eae98afb --- /dev/null +++ b/module/node_modules/eslint/lib/rules/prefer-reflect.js @@ -0,0 +1,150 @@ +/** + * @fileoverview Rule to suggest using "Reflect" api over Function/Object methods + * @author Keith Cirkel + * @deprecated in ESLint v3.9.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Require `Reflect` methods where applicable", + recommended: false, + url: "https://eslint.org/docs/latest/rules/prefer-reflect", + }, + + deprecated: { + message: "The original intention of this rule was misguided.", + deprecatedSince: "3.9.0", + availableUntil: null, + replacedBy: [], + }, + + schema: [ + { + type: "object", + properties: { + exceptions: { + type: "array", + items: { + enum: [ + "apply", + "call", + "delete", + "defineProperty", + "getOwnPropertyDescriptor", + "getPrototypeOf", + "setPrototypeOf", + "isExtensible", + "getOwnPropertyNames", + "preventExtensions", + ], + }, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + preferReflect: + "Avoid using {{existing}}, instead use {{substitute}}.", + }, + }, + + create(context) { + const existingNames = { + apply: "Function.prototype.apply", + call: "Function.prototype.call", + defineProperty: "Object.defineProperty", + getOwnPropertyDescriptor: "Object.getOwnPropertyDescriptor", + getPrototypeOf: "Object.getPrototypeOf", + setPrototypeOf: "Object.setPrototypeOf", + isExtensible: "Object.isExtensible", + getOwnPropertyNames: "Object.getOwnPropertyNames", + preventExtensions: "Object.preventExtensions", + }; + + const reflectSubstitutes = { + apply: "Reflect.apply", + call: "Reflect.apply", + defineProperty: "Reflect.defineProperty", + getOwnPropertyDescriptor: "Reflect.getOwnPropertyDescriptor", + getPrototypeOf: "Reflect.getPrototypeOf", + setPrototypeOf: "Reflect.setPrototypeOf", + isExtensible: "Reflect.isExtensible", + getOwnPropertyNames: "Reflect.getOwnPropertyNames", + preventExtensions: "Reflect.preventExtensions", + }; + + const exceptions = (context.options[0] || {}).exceptions || []; + + /** + * Reports the Reflect violation based on the `existing` and `substitute` + * @param {Object} node The node that violates the rule. + * @param {string} existing The existing method name that has been used. + * @param {string} substitute The Reflect substitute that should be used. + * @returns {void} + */ + function report(node, existing, substitute) { + context.report({ + node, + messageId: "preferReflect", + data: { + existing, + substitute, + }, + }); + } + + return { + CallExpression(node) { + const methodName = (node.callee.property || {}).name; + const isReflectCall = + (node.callee.object || {}).name === "Reflect"; + const hasReflectSubstitute = Object.hasOwn( + reflectSubstitutes, + methodName, + ); + const userConfiguredException = exceptions.includes(methodName); + + if ( + hasReflectSubstitute && + !isReflectCall && + !userConfiguredException + ) { + report( + node, + existingNames[methodName], + reflectSubstitutes[methodName], + ); + } + }, + UnaryExpression(node) { + const isDeleteOperator = node.operator === "delete"; + const targetsIdentifier = node.argument.type === "Identifier"; + const userConfiguredException = exceptions.includes("delete"); + + if ( + isDeleteOperator && + !targetsIdentifier && + !userConfiguredException + ) { + report( + node, + "the delete keyword", + "Reflect.deleteProperty", + ); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/prefer-regex-literals.js b/module/node_modules/eslint/lib/rules/prefer-regex-literals.js new file mode 100644 index 000000000..f1414dfa9 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/prefer-regex-literals.js @@ -0,0 +1,605 @@ +/** + * @fileoverview Rule to disallow use of the `RegExp` constructor in favor of regular expression literals + * @author Milos Djermanovic + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const { + CALL, + CONSTRUCT, + ReferenceTracker, +} = require("@eslint-community/eslint-utils"); +const { + RegExpValidator, + visitRegExpAST, + RegExpParser, +} = require("@eslint-community/regexpp"); +const { canTokensBeAdjacent } = require("./utils/ast-utils"); +const { REGEXPP_LATEST_ECMA_VERSION } = require("./utils/regular-expressions"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines whether the given node is a string literal. + * @param {ASTNode} node Node to check. + * @returns {boolean} True if the node is a string literal. + */ +function isStringLiteral(node) { + return node.type === "Literal" && typeof node.value === "string"; +} + +/** + * Determines whether the given node is a regex literal. + * @param {ASTNode} node Node to check. + * @returns {boolean} True if the node is a regex literal. + */ +function isRegexLiteral(node) { + return node.type === "Literal" && Object.hasOwn(node, "regex"); +} + +const validPrecedingTokens = new Set([ + "(", + ";", + "[", + ",", + "=", + "+", + "*", + "-", + "?", + "~", + "%", + "**", + "!", + "typeof", + "instanceof", + "&&", + "||", + "??", + "return", + "...", + "delete", + "void", + "in", + "<", + ">", + "<=", + ">=", + "==", + "===", + "!=", + "!==", + "<<", + ">>", + ">>>", + "&", + "|", + "^", + ":", + "{", + "=>", + "*=", + "<<=", + ">>=", + ">>>=", + "^=", + "|=", + "&=", + "??=", + "||=", + "&&=", + "**=", + "+=", + "-=", + "/=", + "%=", + "/", + "do", + "break", + "continue", + "debugger", + "case", + "throw", +]); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + disallowRedundantWrapping: false, + }, + ], + + docs: { + description: + "Disallow use of the `RegExp` constructor in favor of regular expression literals", + recommended: false, + url: "https://eslint.org/docs/latest/rules/prefer-regex-literals", + }, + + hasSuggestions: true, + + schema: [ + { + type: "object", + properties: { + disallowRedundantWrapping: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedRegExp: + "Use a regular expression literal instead of the 'RegExp' constructor.", + replaceWithLiteral: + "Replace with an equivalent regular expression literal.", + replaceWithLiteralAndFlags: + "Replace with an equivalent regular expression literal with flags '{{ flags }}'.", + replaceWithIntendedLiteralAndFlags: + "Replace with a regular expression literal with flags '{{ flags }}'.", + unexpectedRedundantRegExp: + "Regular expression literal is unnecessarily wrapped within a 'RegExp' constructor.", + unexpectedRedundantRegExpWithFlags: + "Use regular expression literal with flags instead of the 'RegExp' constructor.", + }, + }, + + create(context) { + const [{ disallowRedundantWrapping }] = context.options; + const sourceCode = context.sourceCode; + + /** + * Determines whether the given node is a String.raw`` tagged template expression + * with a static template literal. + * @param {ASTNode} node Node to check. + * @returns {boolean} True if the node is String.raw`` with a static template. + */ + function isStringRawTaggedStaticTemplateLiteral(node) { + return ( + node.type === "TaggedTemplateExpression" && + astUtils.isSpecificMemberAccess(node.tag, "String", "raw") && + sourceCode.isGlobalReference( + astUtils.skipChainExpression(node.tag).object, + ) && + astUtils.isStaticTemplateLiteral(node.quasi) + ); + } + + /** + * Gets the value of a string + * @param {ASTNode} node The node to get the string of. + * @returns {string|null} The value of the node. + */ + function getStringValue(node) { + if (isStringLiteral(node)) { + return node.value; + } + + if (astUtils.isStaticTemplateLiteral(node)) { + return node.quasis[0].value.cooked; + } + + if (isStringRawTaggedStaticTemplateLiteral(node)) { + return node.quasi.quasis[0].value.raw; + } + + return null; + } + + /** + * Determines whether the given node is considered to be a static string by the logic of this rule. + * @param {ASTNode} node Node to check. + * @returns {boolean} True if the node is a static string. + */ + function isStaticString(node) { + return ( + isStringLiteral(node) || + astUtils.isStaticTemplateLiteral(node) || + isStringRawTaggedStaticTemplateLiteral(node) + ); + } + + /** + * Determines whether the relevant arguments of the given are all static string literals. + * @param {ASTNode} node Node to check. + * @returns {boolean} True if all arguments are static strings. + */ + function hasOnlyStaticStringArguments(node) { + const args = node.arguments; + + if ( + (args.length === 1 || args.length === 2) && + args.every(isStaticString) + ) { + return true; + } + + return false; + } + + /** + * Determines whether the arguments of the given node indicate that a regex literal is unnecessarily wrapped. + * @param {ASTNode} node Node to check. + * @returns {boolean} True if the node already contains a regex literal argument. + */ + function isUnnecessarilyWrappedRegexLiteral(node) { + const args = node.arguments; + + if (args.length === 1 && isRegexLiteral(args[0])) { + return true; + } + + if ( + args.length === 2 && + isRegexLiteral(args[0]) && + isStaticString(args[1]) + ) { + return true; + } + + return false; + } + + /** + * Returns a ecmaVersion compatible for regexpp. + * @param {number} ecmaVersion The ecmaVersion to convert. + * @returns {import("@eslint-community/regexpp/ecma-versions").EcmaVersion} The resulting ecmaVersion compatible for regexpp. + */ + function getRegexppEcmaVersion(ecmaVersion) { + if (ecmaVersion <= 5) { + return 5; + } + return Math.min(ecmaVersion, REGEXPP_LATEST_ECMA_VERSION); + } + + const regexppEcmaVersion = getRegexppEcmaVersion( + context.languageOptions.ecmaVersion, + ); + + /** + * Makes a character escaped or else returns null. + * @param {string} character The character to escape. + * @returns {string} The resulting escaped character. + */ + function resolveEscapes(character) { + switch (character) { + case "\n": + case "\\\n": + return "\\n"; + + case "\r": + case "\\\r": + return "\\r"; + + case "\t": + case "\\\t": + return "\\t"; + + case "\v": + case "\\\v": + return "\\v"; + + case "\f": + case "\\\f": + return "\\f"; + + case "/": + return "\\/"; + + default: + return null; + } + } + + /** + * Checks whether the given regex and flags are valid for the ecma version or not. + * @param {string} pattern The regex pattern to check. + * @param {string | undefined} flags The regex flags to check. + * @returns {boolean} True if the given regex pattern and flags are valid for the ecma version. + */ + function isValidRegexForEcmaVersion(pattern, flags) { + const validator = new RegExpValidator({ + ecmaVersion: regexppEcmaVersion, + }); + + try { + validator.validatePattern(pattern, 0, pattern.length, { + unicode: flags ? flags.includes("u") : false, + unicodeSets: flags ? flags.includes("v") : false, + }); + if (flags) { + validator.validateFlags(flags); + } + return true; + } catch { + return false; + } + } + + /** + * Checks whether two given regex flags contain the same flags or not. + * @param {string} flagsA The regex flags. + * @param {string} flagsB The regex flags. + * @returns {boolean} True if two regex flags contain same flags. + */ + function areFlagsEqual(flagsA, flagsB) { + return [...flagsA].sort().join("") === [...flagsB].sort().join(""); + } + + /** + * Merges two regex flags. + * @param {string} flagsA The regex flags. + * @param {string} flagsB The regex flags. + * @returns {string} The merged regex flags. + */ + function mergeRegexFlags(flagsA, flagsB) { + const flagsSet = new Set([...flagsA, ...flagsB]); + + return [...flagsSet].join(""); + } + + /** + * Checks whether a give node can be fixed to the given regex pattern and flags. + * @param {ASTNode} node The node to check. + * @param {string} pattern The regex pattern to check. + * @param {string} flags The regex flags + * @returns {boolean} True if a node can be fixed to the given regex pattern and flags. + */ + function canFixTo(node, pattern, flags) { + const tokenBefore = sourceCode.getTokenBefore(node); + + return ( + sourceCode.getCommentsInside(node).length === 0 && + (!tokenBefore || validPrecedingTokens.has(tokenBefore.value)) && + isValidRegexForEcmaVersion(pattern, flags) + ); + } + + /** + * Returns a safe output code considering the before and after tokens. + * @param {ASTNode} node The regex node. + * @param {string} newRegExpValue The new regex expression value. + * @returns {string} The output code. + */ + function getSafeOutput(node, newRegExpValue) { + const tokenBefore = sourceCode.getTokenBefore(node); + const tokenAfter = sourceCode.getTokenAfter(node); + + return ( + (tokenBefore && + !canTokensBeAdjacent(tokenBefore, newRegExpValue) && + tokenBefore.range[1] === node.range[0] + ? " " + : "") + + newRegExpValue + + (tokenAfter && + !canTokensBeAdjacent(newRegExpValue, tokenAfter) && + node.range[1] === tokenAfter.range[0] + ? " " + : "") + ); + } + + return { + Program(node) { + const scope = sourceCode.getScope(node); + const tracker = new ReferenceTracker(scope); + const traceMap = { + RegExp: { + [CALL]: true, + [CONSTRUCT]: true, + }, + }; + + for (const { node: refNode } of tracker.iterateGlobalReferences( + traceMap, + )) { + if ( + disallowRedundantWrapping && + isUnnecessarilyWrappedRegexLiteral(refNode) + ) { + const regexNode = refNode.arguments[0]; + + if (refNode.arguments.length === 2) { + const suggests = []; + + const argFlags = + getStringValue(refNode.arguments[1]) || ""; + + if ( + canFixTo( + refNode, + regexNode.regex.pattern, + argFlags, + ) + ) { + suggests.push({ + messageId: "replaceWithLiteralAndFlags", + pattern: regexNode.regex.pattern, + flags: argFlags, + }); + } + + const literalFlags = regexNode.regex.flags || ""; + const mergedFlags = mergeRegexFlags( + literalFlags, + argFlags, + ); + + if ( + !areFlagsEqual(mergedFlags, argFlags) && + canFixTo( + refNode, + regexNode.regex.pattern, + mergedFlags, + ) + ) { + suggests.push({ + messageId: + "replaceWithIntendedLiteralAndFlags", + pattern: regexNode.regex.pattern, + flags: mergedFlags, + }); + } + + context.report({ + node: refNode, + messageId: "unexpectedRedundantRegExpWithFlags", + suggest: suggests.map( + ({ flags, pattern, messageId }) => ({ + messageId, + data: { + flags, + }, + fix(fixer) { + return fixer.replaceText( + refNode, + getSafeOutput( + refNode, + `/${pattern}/${flags}`, + ), + ); + }, + }), + ), + }); + } else { + const outputs = []; + + if ( + canFixTo( + refNode, + regexNode.regex.pattern, + regexNode.regex.flags, + ) + ) { + outputs.push(sourceCode.getText(regexNode)); + } + + context.report({ + node: refNode, + messageId: "unexpectedRedundantRegExp", + suggest: outputs.map(output => ({ + messageId: "replaceWithLiteral", + fix(fixer) { + return fixer.replaceText( + refNode, + getSafeOutput(refNode, output), + ); + }, + })), + }); + } + } else if (hasOnlyStaticStringArguments(refNode)) { + let regexContent = getStringValue(refNode.arguments[0]); + let noFix = false; + let flags; + + if (refNode.arguments[1]) { + flags = getStringValue(refNode.arguments[1]); + } + + if (!canFixTo(refNode, regexContent, flags)) { + noFix = true; + } + + if ( + !/^[-\w\\[\](){} \t\r\n\v\f!@#$%^&*+=/~`.> + accumulator + + sourceText.slice( + token.range[1], + allTokens[index + 1].range[0], + ), + "", + ); + } + + /** + * Returns a template literal form of the given node. + * @param {ASTNode} currentNode A node that should be converted to a template literal + * @param {string} textBeforeNode Text that should appear before the node + * @param {string} textAfterNode Text that should appear after the node + * @returns {string} A string form of this node, represented as a template literal + */ + function getTemplateLiteral( + currentNode, + textBeforeNode, + textAfterNode, + ) { + if ( + currentNode.type === "Literal" && + typeof currentNode.value === "string" + ) { + /* + * If the current node is a string literal, escape any instances of ${ or ` to prevent them from being interpreted + * as a template placeholder. However, if the code already contains a backslash before the ${ or ` + * for some reason, don't add another backslash, because that would change the meaning of the code (it would cause + * an actual backslash character to appear before the dollar sign). + */ + return `\`${currentNode.raw + .slice(1, -1) + .replace(/\\*(\$\{|`)/gu, matched => { + if (matched.lastIndexOf("\\") % 2) { + return `\\${matched}`; + } + return matched; + + // Unescape any quotes that appear in the original Literal that no longer need to be escaped. + }) + .replace( + new RegExp(`\\\\${currentNode.raw[0]}`, "gu"), + currentNode.raw[0], + )}\``; + } + + if (currentNode.type === "TemplateLiteral") { + return sourceCode.getText(currentNode); + } + + if (isConcatenation(currentNode) && hasStringLiteral(currentNode)) { + const plusSign = sourceCode.getFirstTokenBetween( + currentNode.left, + currentNode.right, + token => token.value === "+", + ); + const textBeforePlus = getTextBetween( + currentNode.left, + plusSign, + ); + const textAfterPlus = getTextBetween( + plusSign, + currentNode.right, + ); + const leftEndsWithCurly = endsWithTemplateCurly( + currentNode.left, + ); + const rightStartsWithCurly = startsWithTemplateCurly( + currentNode.right, + ); + + if (leftEndsWithCurly) { + // If the left side of the expression ends with a template curly, add the extra text to the end of the curly bracket. + // `foo${bar}` /* comment */ + 'baz' --> `foo${bar /* comment */ }${baz}` + return ( + getTemplateLiteral( + currentNode.left, + textBeforeNode, + textBeforePlus + textAfterPlus, + ).slice(0, -1) + + getTemplateLiteral( + currentNode.right, + null, + textAfterNode, + ).slice(1) + ); + } + if (rightStartsWithCurly) { + // Otherwise, if the right side of the expression starts with a template curly, add the text there. + // 'foo' /* comment */ + `${bar}baz` --> `foo${ /* comment */ bar}baz` + return ( + getTemplateLiteral( + currentNode.left, + textBeforeNode, + null, + ).slice(0, -1) + + getTemplateLiteral( + currentNode.right, + textBeforePlus + textAfterPlus, + textAfterNode, + ).slice(1) + ); + } + + /* + * Otherwise, these nodes should not be combined into a template curly, since there is nowhere to put + * the text between them. + */ + return `${getTemplateLiteral(currentNode.left, textBeforeNode, null)}${textBeforePlus}+${textAfterPlus}${getTemplateLiteral(currentNode.right, textAfterNode, null)}`; + } + + return `\`\${${textBeforeNode || ""}${sourceCode.getText(currentNode)}${textAfterNode || ""}}\``; + } + + /** + * Returns a fixer object that converts a non-string binary expression to a template literal + * @param {SourceCodeFixer} fixer The fixer object + * @param {ASTNode} node A node that should be converted to a template literal + * @returns {Object} A fix for this binary expression + */ + function fixNonStringBinaryExpression(fixer, node) { + const topBinaryExpr = getTopConcatBinaryExpression(node.parent); + + if (hasOctalOrNonOctalDecimalEscapeSequence(topBinaryExpr)) { + return null; + } + + return fixer.replaceText( + topBinaryExpr, + getTemplateLiteral(topBinaryExpr, null, null), + ); + } + + /** + * Reports if a given node is string concatenation with non string literals. + * @param {ASTNode} node A node to check. + * @returns {void} + */ + function checkForStringConcat(node) { + if ( + !astUtils.isStringLiteral(node) || + !isConcatenation(node.parent) + ) { + return; + } + + const topBinaryExpr = getTopConcatBinaryExpression(node.parent); + + // Checks whether or not this node had been checked already. + if (done[topBinaryExpr.range[0]]) { + return; + } + done[topBinaryExpr.range[0]] = true; + + if (hasNonStringLiteral(topBinaryExpr)) { + context.report({ + node: topBinaryExpr, + messageId: "unexpectedStringConcatenation", + fix: fixer => fixNonStringBinaryExpression(fixer, node), + }); + } + } + + return { + Program() { + done = Object.create(null); + }, + + Literal: checkForStringConcat, + TemplateLiteral: checkForStringConcat, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/preserve-caught-error.js b/module/node_modules/eslint/lib/rules/preserve-caught-error.js new file mode 100644 index 000000000..a09c05194 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/preserve-caught-error.js @@ -0,0 +1,535 @@ +/** + * @fileoverview Rule to preserve caught errors when re-throwing exceptions + * @author Amnish Singh Arora + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @typedef {import("estree").Node} ASTNode */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/* + * This is an indicator of an error cause node, that is too complicated to be detected and fixed. + * Eg, when error options is an `Identifier` or a `SpreadElement`. + */ +const UNKNOWN_CAUSE = Symbol("unknown_cause"); + +const BUILT_IN_ERROR_TYPES = new Set([ + "Error", + "EvalError", + "RangeError", + "ReferenceError", + "SyntaxError", + "TypeError", + "URIError", + "AggregateError", +]); + +/** + * Finds and returns information about the `cause` property of an error being thrown. + * @param {ASTNode} throwStatement `ThrowStatement` to be checked. + * @returns {{ value: ASTNode; multipleDefinitions: boolean; } | UNKNOWN_CAUSE | null} + * Information about the `cause` of the error being thrown, such as the value node and + * whether there are multiple definitions of `cause`. `null` if there is no `cause`. + */ +function getErrorCause(throwStatement) { + const throwExpression = throwStatement.argument; + /* + * Determine which argument index holds the options object + * `AggregateError` is a special case as it accepts the `options` object as third argument. + */ + const optionsIndex = + throwExpression.callee.name === "AggregateError" ? 2 : 1; + + /* + * Make sure there is no `SpreadElement` at or before the `optionsIndex` + * as this messes up the effective order of arguments and makes it complicated + * to track where the actual error options need to be at + */ + const spreadExpressionIndex = throwExpression.arguments.findIndex( + arg => arg.type === "SpreadElement", + ); + if (spreadExpressionIndex >= 0 && spreadExpressionIndex <= optionsIndex) { + return UNKNOWN_CAUSE; + } + + const errorOptions = throwExpression.arguments[optionsIndex]; + + if (errorOptions) { + if (errorOptions.type === "ObjectExpression") { + if ( + errorOptions.properties.some( + prop => prop.type === "SpreadElement", + ) + ) { + /* + * If there is a spread element as part of error options, it is too complicated + * to verify if the cause is used properly and auto-fix. + */ + return UNKNOWN_CAUSE; + } + + const causeProperties = errorOptions.properties.filter( + prop => astUtils.getStaticPropertyName(prop) === "cause", + ); + + const causeProperty = causeProperties.at(-1); + return causeProperty + ? { + value: causeProperty.value, + multipleDefinitions: causeProperties.length > 1, + } + : null; + } + + // Error options exist, but too complicated to be analyzed/fixed + return UNKNOWN_CAUSE; + } + + return null; +} + +/** + * Finds and returns the `CatchClause` node, that the `node` is part of. + * @param {ASTNode} node The AST node to be evaluated. + * @returns {ASTNode | null } The closest parent `CatchClause` node, `null` if the `node` is not in a catch block. + */ +function findParentCatch(node) { + let currentNode = node; + + while (currentNode && currentNode.type !== "CatchClause") { + if ( + [ + "FunctionDeclaration", + "FunctionExpression", + "ArrowFunctionExpression", + "StaticBlock", + ].includes(currentNode.type) + ) { + /* + * Make sure the ThrowStatement is not made inside a function definition or a static block inside a high level catch. + * In such cases, the caught error is not directly related to the Throw. + * + * For example, + * try { + * } catch (error) { + * foo = { + * bar() { + * throw new Error(); + * } + * }; + * } + */ + return null; + } + currentNode = currentNode.parent; + } + + return currentNode; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + requireCatchParameter: false, + }, + ], + + docs: { + description: + "Disallow losing originally caught error when re-throwing custom errors", + recommended: false, + url: "https://eslint.org/docs/latest/rules/preserve-caught-error", // URL to the documentation page for this rule + }, + /* + * TODO: We should allow passing `customErrorTypes` option once something like `typescript-eslint`'s + * `TypeOrValueSpecifier` is implemented in core Eslint. + * See: + * 1. https://typescript-eslint.io/packages/type-utils/type-or-value-specifier/ + * 2. https://github.com/eslint/eslint/pull/19913#discussion_r2192608593 + * 3. https://github.com/eslint/eslint/discussions/16540 + */ + schema: [ + { + type: "object", + properties: { + requireCatchParameter: { + type: "boolean", + description: + "Requires the catch blocks to always have the caught error parameter so it is not discarded.", + }, + }, + additionalProperties: false, + }, + ], + messages: { + missingCause: + "There is no `cause` attached to the symptom error being thrown.", + incorrectCause: + "The symptom error is being thrown with an incorrect `cause`.", + includeCause: + "Include the original caught error as the `cause` of the symptom error.", + missingCatchErrorParam: + "The caught error is not accessible because the catch clause lacks the error parameter. Start referencing the caught error using the catch parameter.", + partiallyLostError: + "Re-throws cannot preserve the caught error as a part of it is being lost due to destructuring.", + caughtErrorShadowed: + "The caught error is being attached as `cause`, but is shadowed by a closer scoped redeclaration.", + }, + hasSuggestions: true, + }, + + create(context) { + const sourceCode = context.sourceCode; + const [{ requireCatchParameter }] = context.options; + + //---------------------------------------------------------------------- + // Helpers + //---------------------------------------------------------------------- + + /** + * Checks if a `ThrowStatement` is constructing and throwing a new `Error` object. + * + * Covers all the error types on `globalThis` that support `cause` property: + * https://github.com/microsoft/TypeScript/blob/main/src/lib/es2022.error.d.ts + * @param {ASTNode} throwStatement The `ThrowStatement` that needs to be checked. + * @returns {boolean} `true` if a new "Error" is being thrown, else `false`. + */ + function isThrowingNewError(throwStatement) { + return ( + (throwStatement.argument.type === "NewExpression" || + throwStatement.argument.type === "CallExpression") && + throwStatement.argument.callee.type === "Identifier" && + BUILT_IN_ERROR_TYPES.has(throwStatement.argument.callee.name) && + /* + * Make sure the thrown Error is instance is one of the built-in global error types. + * Custom imports could shadow this, which would lead to false positives. + * e.g. import { Error } from "./my-custom-error.js"; + * throw Error("Failed to perform error prone operations"); + */ + sourceCode.isGlobalReference(throwStatement.argument.callee) + ); + } + + /** + * Inserts `cause: ` into an inline options object expression. + * @param {RuleFixer} fixer The fixer object. + * @param {ASTNode} optionsNode The options object node. + * @param {string} caughtErrorName The name of the caught error (e.g., "err"). + * @returns {Fix} The fix object. + */ + function insertCauseIntoOptions(fixer, optionsNode, caughtErrorName) { + const properties = optionsNode.properties; + + if (properties.length === 0) { + // Insert inside empty braces: `{}` → `{ cause: err }` + return fixer.insertTextAfter( + sourceCode.getFirstToken(optionsNode), + `cause: ${caughtErrorName}`, + ); + } + + const lastProp = properties.at(-1); + return fixer.insertTextAfter( + lastProp, + `, cause: ${caughtErrorName}`, + ); + } + + //---------------------------------------------------------------------- + // Public + //---------------------------------------------------------------------- + return { + ThrowStatement(node) { + // Check if the throw is inside a catch block + const parentCatch = findParentCatch(node); + const throwStatement = node; + + // Check if a new error is being thrown in a catch block + if (parentCatch && isThrowingNewError(throwStatement)) { + if ( + parentCatch.param && + parentCatch.param.type !== "Identifier" + ) { + /* + * When a part of the caught error is being lost at the parameter level, commonly due to destructuring. + * e.g. catch({ message, ...rest }) + */ + context.report({ + messageId: "partiallyLostError", + node: parentCatch, + }); + return; + } + + const caughtError = + parentCatch.param?.type === "Identifier" + ? parentCatch.param + : null; + + // Check if there are throw statements and caught error is being ignored + if (!caughtError) { + if (requireCatchParameter) { + context.report({ + node: throwStatement, + messageId: "missingCatchErrorParam", + }); + return; + } + return; + } + + // Check if there is a cause attached to the new error + const errorCauseInfo = getErrorCause(throwStatement); + + if (errorCauseInfo === UNKNOWN_CAUSE) { + // Error options exist, but too complicated to be analyzed/fixed + return; + } + + if (errorCauseInfo === null) { + // If there is no `cause` attached to the error being thrown. + context.report({ + messageId: "missingCause", + node: throwStatement, + suggest: [ + { + messageId: "includeCause", + fix(fixer) { + const throwExpression = + throwStatement.argument; + const args = throwExpression.arguments; + const errorType = + throwExpression.callee.name; + + // AggregateError: errors, message, options + if (errorType === "AggregateError") { + const errorsArg = args[0]; + const messageArg = args[1]; + const optionsArg = args[2]; + + if (!errorsArg) { + // Case: `throw new AggregateError()` → insert all arguments + const lastToken = + sourceCode.getLastToken( + throwExpression, + ); + const lastCalleeToken = + sourceCode.getLastToken( + throwExpression.callee, + ); + const parenToken = + sourceCode.getFirstTokenBetween( + lastCalleeToken, + lastToken, + astUtils.isOpeningParenToken, + ); + + if (parenToken) { + return fixer.insertTextAfter( + parenToken, + `[], "", { cause: ${caughtError.name} }`, + ); + } + return fixer.insertTextAfter( + throwExpression.callee, + `([], "", { cause: ${caughtError.name} })`, + ); + } + + if (!messageArg) { + // Case: `throw new AggregateError([])` → insert message and options + return fixer.insertTextAfter( + errorsArg, + `, "", { cause: ${caughtError.name} }`, + ); + } + + if (!optionsArg) { + // Case: `throw new AggregateError([], "")` → insert error options only + return fixer.insertTextAfter( + messageArg, + `, { cause: ${caughtError.name} }`, + ); + } + + if ( + optionsArg.type === + "ObjectExpression" + ) { + return insertCauseIntoOptions( + fixer, + optionsArg, + caughtError.name, + ); + } + + // Complex dynamic options — skip + return null; + } + + // Normal Error types + const messageArg = args[0]; + const optionsArg = args[1]; + + if (!messageArg) { + // Case: `throw new Error()` → insert both message and options + const lastToken = + sourceCode.getLastToken( + throwExpression, + ); + const lastCalleeToken = + sourceCode.getLastToken( + throwExpression.callee, + ); + const parenToken = + sourceCode.getFirstTokenBetween( + lastCalleeToken, + lastToken, + astUtils.isOpeningParenToken, + ); + + if (parenToken) { + return fixer.insertTextAfter( + parenToken, + `"", { cause: ${caughtError.name} }`, + ); + } + return fixer.insertTextAfter( + throwExpression.callee, + `("", { cause: ${caughtError.name} })`, + ); + } + if (!optionsArg) { + // Case: `throw new Error("Some message")` → insert only options + return fixer.insertTextAfter( + messageArg, + `, { cause: ${caughtError.name} }`, + ); + } + + if ( + optionsArg.type === + "ObjectExpression" + ) { + return insertCauseIntoOptions( + fixer, + optionsArg, + caughtError.name, + ); + } + + return null; // Identifier or spread — do not fix + }, + }, + ], + }); + + // We don't need to check further + return; + } + + const { value: thrownErrorCause } = errorCauseInfo; + + // If there is an attached cause, verify that it matches the caught error + if ( + !( + thrownErrorCause.type === "Identifier" && + thrownErrorCause.name === caughtError.name + ) + ) { + const suggest = errorCauseInfo.multipleDefinitions + ? null // If there are multiple `cause` definitions, a suggestion could be confusing. + : [ + { + messageId: "includeCause", + fix(fixer) { + /* + * In case `cause` is attached using object property shorthand or as a method or accessor. + * e.g. throw Error("fail", { cause }); + * throw Error("fail", { cause() { doSomething(); } }); + * throw Error("fail", { get cause() { return error; } }); + */ + if ( + thrownErrorCause.parent + .method || + thrownErrorCause.parent + .shorthand || + thrownErrorCause.parent.kind !== + "init" + ) { + return fixer.replaceText( + thrownErrorCause.parent, + `cause: ${caughtError.name}`, + ); + } + + return fixer.replaceText( + thrownErrorCause, + caughtError.name, + ); + }, + }, + ]; + context.report({ + messageId: "incorrectCause", + node: thrownErrorCause, + suggest, + }); + return; + } + + /* + * If the attached cause matches the identifier name of the caught error, + * make sure it is not being shadowed by a closer scoped redeclaration. + * + * e.g. try { + * doSomething(); + * } catch (error) { + * if (whatever) { + * const error = anotherError; + * throw new Error("Something went wrong"); + * } + * } + */ + let scope = sourceCode.getScope(throwStatement); + do { + const variable = scope.set.get(caughtError.name); + if (variable) { + break; + } + scope = scope.upper; + } while (scope); + + if (scope?.block !== parentCatch) { + // Caught error is being shadowed + context.report({ + messageId: "caughtErrorShadowed", + node: throwStatement, + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/quote-props.js b/module/node_modules/eslint/lib/rules/quote-props.js new file mode 100644 index 000000000..5cbf77d56 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/quote-props.js @@ -0,0 +1,394 @@ +/** + * @fileoverview Rule to flag non-quoted property names in object literals. + * @author Mathias Bynens + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const espree = require("espree"); +const astUtils = require("./utils/ast-utils"); +const keywords = require("./utils/keywords"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "quote-props", + url: "https://eslint.style/rules/quote-props", + }, + }, + ], + }, + type: "suggestion", + + docs: { + description: "Require quotes around object literal property names", + recommended: false, + url: "https://eslint.org/docs/latest/rules/quote-props", + }, + + schema: { + anyOf: [ + { + type: "array", + items: [ + { + enum: [ + "always", + "as-needed", + "consistent", + "consistent-as-needed", + ], + }, + ], + minItems: 0, + maxItems: 1, + }, + { + type: "array", + items: [ + { + enum: [ + "always", + "as-needed", + "consistent", + "consistent-as-needed", + ], + }, + { + type: "object", + properties: { + keywords: { + type: "boolean", + }, + unnecessary: { + type: "boolean", + }, + numbers: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + minItems: 0, + maxItems: 2, + }, + ], + }, + + fixable: "code", + messages: { + requireQuotesDueToReservedWord: + "Properties should be quoted as '{{property}}' is a reserved word.", + inconsistentlyQuotedProperty: + "Inconsistently quoted property '{{key}}' found.", + unnecessarilyQuotedProperty: + "Unnecessarily quoted property '{{property}}' found.", + unquotedReservedProperty: + "Unquoted reserved word '{{property}}' used as key.", + unquotedNumericProperty: + "Unquoted number literal '{{property}}' used as key.", + unquotedPropertyFound: "Unquoted property '{{property}}' found.", + redundantQuoting: + "Properties shouldn't be quoted as all quotes are redundant.", + }, + }, + + create(context) { + const MODE = context.options[0], + KEYWORDS = context.options[1] && context.options[1].keywords, + CHECK_UNNECESSARY = + !context.options[1] || context.options[1].unnecessary !== false, + NUMBERS = context.options[1] && context.options[1].numbers, + sourceCode = context.sourceCode; + + /** + * Checks whether a certain string constitutes an ES3 token + * @param {string} tokenStr The string to be checked. + * @returns {boolean} `true` if it is an ES3 token. + */ + function isKeyword(tokenStr) { + return keywords.includes(tokenStr); + } + + /** + * Checks if an espree-tokenized key has redundant quotes (i.e. whether quotes are unnecessary) + * @param {string} rawKey The raw key value from the source + * @param {espreeTokens} tokens The espree-tokenized node key + * @param {boolean} [skipNumberLiterals=false] Indicates whether number literals should be checked + * @returns {boolean} Whether or not a key has redundant quotes. + * @private + */ + function areQuotesRedundant(rawKey, tokens, skipNumberLiterals) { + return ( + tokens.length === 1 && + tokens[0].start === 0 && + tokens[0].end === rawKey.length && + (["Identifier", "Keyword", "Null", "Boolean"].includes( + tokens[0].type, + ) || + (tokens[0].type === "Numeric" && + !skipNumberLiterals && + String(+tokens[0].value) === tokens[0].value)) + ); + } + + /** + * Returns a string representation of a property node with quotes removed + * @param {ASTNode} key Key AST Node, which may or may not be quoted + * @returns {string} A replacement string for this property + */ + function getUnquotedKey(key) { + return key.type === "Identifier" ? key.name : key.value; + } + + /** + * Returns a string representation of a property node with quotes added + * @param {ASTNode} key Key AST Node, which may or may not be quoted + * @returns {string} A replacement string for this property + */ + function getQuotedKey(key) { + if (key.type === "Literal" && typeof key.value === "string") { + // If the key is already a string literal, don't replace the quotes with double quotes. + return sourceCode.getText(key); + } + + // Otherwise, the key is either an identifier or a number literal. + return `"${key.type === "Identifier" ? key.name : key.value}"`; + } + + /** + * Ensures that a property's key is quoted only when necessary + * @param {ASTNode} node Property AST node + * @returns {void} + */ + function checkUnnecessaryQuotes(node) { + const key = node.key; + + if (node.method || node.computed || node.shorthand) { + return; + } + + if (key.type === "Literal" && typeof key.value === "string") { + let tokens; + + try { + tokens = espree.tokenize(key.value); + } catch { + return; + } + + if (tokens.length !== 1) { + return; + } + + const isKeywordToken = isKeyword(tokens[0].value); + + if (isKeywordToken && KEYWORDS) { + return; + } + + if ( + CHECK_UNNECESSARY && + areQuotesRedundant(key.value, tokens, NUMBERS) + ) { + context.report({ + node, + messageId: "unnecessarilyQuotedProperty", + data: { property: key.value }, + fix: fixer => + fixer.replaceText(key, getUnquotedKey(key)), + }); + } + } else if ( + KEYWORDS && + key.type === "Identifier" && + isKeyword(key.name) + ) { + context.report({ + node, + messageId: "unquotedReservedProperty", + data: { property: key.name }, + fix: fixer => fixer.replaceText(key, getQuotedKey(key)), + }); + } else if ( + NUMBERS && + key.type === "Literal" && + astUtils.isNumericLiteral(key) + ) { + context.report({ + node, + messageId: "unquotedNumericProperty", + data: { property: key.value }, + fix: fixer => fixer.replaceText(key, getQuotedKey(key)), + }); + } + } + + /** + * Ensures that a property's key is quoted + * @param {ASTNode} node Property AST node + * @returns {void} + */ + function checkOmittedQuotes(node) { + const key = node.key; + + if ( + !node.method && + !node.computed && + !node.shorthand && + !(key.type === "Literal" && typeof key.value === "string") + ) { + context.report({ + node, + messageId: "unquotedPropertyFound", + data: { property: key.name || key.value }, + fix: fixer => fixer.replaceText(key, getQuotedKey(key)), + }); + } + } + + /** + * Ensures that an object's keys are consistently quoted, optionally checks for redundancy of quotes + * @param {ASTNode} node Property AST node + * @param {boolean} checkQuotesRedundancy Whether to check quotes' redundancy + * @returns {void} + */ + function checkConsistency(node, checkQuotesRedundancy) { + const quotedProps = [], + unquotedProps = []; + let keywordKeyName = null, + necessaryQuotes = false; + + node.properties.forEach(property => { + const key = property.key; + + if ( + !key || + property.method || + property.computed || + property.shorthand + ) { + return; + } + + if (key.type === "Literal" && typeof key.value === "string") { + quotedProps.push(property); + + if (checkQuotesRedundancy) { + let tokens; + + try { + tokens = espree.tokenize(key.value); + } catch { + necessaryQuotes = true; + return; + } + + necessaryQuotes = + necessaryQuotes || + !areQuotesRedundant(key.value, tokens) || + (KEYWORDS && isKeyword(tokens[0].value)); + } + } else if ( + KEYWORDS && + checkQuotesRedundancy && + key.type === "Identifier" && + isKeyword(key.name) + ) { + unquotedProps.push(property); + necessaryQuotes = true; + keywordKeyName = key.name; + } else { + unquotedProps.push(property); + } + }); + + if ( + checkQuotesRedundancy && + quotedProps.length && + !necessaryQuotes + ) { + quotedProps.forEach(property => { + context.report({ + node: property, + messageId: "redundantQuoting", + fix: fixer => + fixer.replaceText( + property.key, + getUnquotedKey(property.key), + ), + }); + }); + } else if (unquotedProps.length && keywordKeyName) { + unquotedProps.forEach(property => { + context.report({ + node: property, + messageId: "requireQuotesDueToReservedWord", + data: { property: keywordKeyName }, + fix: fixer => + fixer.replaceText( + property.key, + getQuotedKey(property.key), + ), + }); + }); + } else if (quotedProps.length && unquotedProps.length) { + unquotedProps.forEach(property => { + context.report({ + node: property, + messageId: "inconsistentlyQuotedProperty", + data: { key: property.key.name || property.key.value }, + fix: fixer => + fixer.replaceText( + property.key, + getQuotedKey(property.key), + ), + }); + }); + } + } + + return { + Property(node) { + if (MODE === "always" || !MODE) { + checkOmittedQuotes(node); + } + if (MODE === "as-needed") { + checkUnnecessaryQuotes(node); + } + }, + ObjectExpression(node) { + if (MODE === "consistent") { + checkConsistency(node, false); + } + if (MODE === "consistent-as-needed") { + checkConsistency(node, true); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/quotes.js b/module/node_modules/eslint/lib/rules/quotes.js new file mode 100644 index 000000000..4de678cd3 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/quotes.js @@ -0,0 +1,416 @@ +/** + * @fileoverview A rule to choose between single and double quote marks + * @author Matt DuVall , Brandon Payton + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Constants +//------------------------------------------------------------------------------ + +const QUOTE_SETTINGS = { + double: { + quote: '"', + alternateQuote: "'", + description: "doublequote", + }, + single: { + quote: "'", + alternateQuote: '"', + description: "singlequote", + }, + backtick: { + quote: "`", + alternateQuote: '"', + description: "backtick", + }, +}; + +// An unescaped newline is a newline preceded by an even number of backslashes. +const UNESCAPED_LINEBREAK_PATTERN = new RegExp( + String.raw`(^|[^\\])(\\\\)*[${Array.from(astUtils.LINEBREAKS).join("")}]`, + "u", +); + +/** + * Switches quoting of javascript string between ' " and ` + * escaping and unescaping as necessary. + * Only escaping of the minimal set of characters is changed. + * Note: escaping of newlines when switching from backtick to other quotes is not handled. + * @param {string} str A string to convert. + * @returns {string} The string with changed quotes. + * @private + */ +QUOTE_SETTINGS.double.convert = + QUOTE_SETTINGS.single.convert = + QUOTE_SETTINGS.backtick.convert = + function (str) { + const newQuote = this.quote; + const oldQuote = str[0]; + + if (newQuote === oldQuote) { + return str; + } + return ( + newQuote + + str + .slice(1, -1) + .replace( + /\\(\$\{|\r\n?|\n|.)|["'`]|\$\{|(\r\n?|\n)/gu, + (match, escaped, newline) => { + if ( + escaped === oldQuote || + (oldQuote === "`" && escaped === "${") + ) { + return escaped; // unescape + } + if ( + match === newQuote || + (newQuote === "`" && match === "${") + ) { + return `\\${match}`; // escape + } + if (newline && oldQuote === "`") { + return "\\n"; // escape newlines + } + return match; + }, + ) + + newQuote + ); + }; + +const AVOID_ESCAPE = "avoid-escape"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "quotes", + url: "https://eslint.style/rules/quotes", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce the consistent use of either backticks, double, or single quotes", + recommended: false, + url: "https://eslint.org/docs/latest/rules/quotes", + }, + + fixable: "code", + + schema: [ + { + enum: ["single", "double", "backtick"], + }, + { + anyOf: [ + { + enum: ["avoid-escape"], + }, + { + type: "object", + properties: { + avoidEscape: { + type: "boolean", + }, + allowTemplateLiterals: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + wrongQuotes: "Strings must use {{description}}.", + }, + }, + + create(context) { + const quoteOption = context.options[0], + settings = QUOTE_SETTINGS[quoteOption || "double"], + options = context.options[1], + allowTemplateLiterals = + options && options.allowTemplateLiterals === true, + sourceCode = context.sourceCode; + let avoidEscape = options && options.avoidEscape === true; + + // deprecated + if (options === AVOID_ESCAPE) { + avoidEscape = true; + } + + /** + * Determines if a given node is part of JSX syntax. + * + * This function returns `true` in the following cases: + * + * - `
` ... If the literal is an attribute value, the parent of the literal is `JSXAttribute`. + * - `
foo
` ... If the literal is a text content, the parent of the literal is `JSXElement`. + * - `<>foo` ... If the literal is a text content, the parent of the literal is `JSXFragment`. + * + * In particular, this function returns `false` in the following cases: + * + * - `
` + * - `
{"foo"}
` + * + * In both cases, inside of the braces is handled as normal JavaScript. + * The braces are `JSXExpressionContainer` nodes. + * @param {ASTNode} node The Literal node to check. + * @returns {boolean} True if the node is a part of JSX, false if not. + * @private + */ + function isJSXLiteral(node) { + return ( + node.parent.type === "JSXAttribute" || + node.parent.type === "JSXElement" || + node.parent.type === "JSXFragment" + ); + } + + /** + * Checks whether or not a given node is a directive. + * The directive is a `ExpressionStatement` which has only a string literal not surrounded by + * parentheses. + * @param {ASTNode} node A node to check. + * @returns {boolean} Whether or not the node is a directive. + * @private + */ + function isDirective(node) { + return ( + node.type === "ExpressionStatement" && + node.expression.type === "Literal" && + typeof node.expression.value === "string" && + !astUtils.isParenthesised(sourceCode, node.expression) + ); + } + + /** + * Checks whether a specified node is either part of, or immediately follows a (possibly empty) directive prologue. + * @see {@link http://www.ecma-international.org/ecma-262/6.0/#sec-directive-prologues-and-the-use-strict-directive} + * @param {ASTNode} node A node to check. + * @returns {boolean} Whether a specified node is either part of, or immediately follows a (possibly empty) directive prologue. + * @private + */ + function isExpressionInOrJustAfterDirectivePrologue(node) { + if (!astUtils.isTopLevelExpressionStatement(node.parent)) { + return false; + } + const block = node.parent.parent; + + // Check the node is at a prologue. + for (let i = 0; i < block.body.length; ++i) { + const statement = block.body[i]; + + if (statement === node.parent) { + return true; + } + if (!isDirective(statement)) { + break; + } + } + + return false; + } + + /** + * Checks whether or not a given node is allowed as non backtick. + * @param {ASTNode} node A node to check. + * @returns {boolean} Whether or not the node is allowed as non backtick. + * @private + */ + function isAllowedAsNonBacktick(node) { + const parent = node.parent; + + switch (parent.type) { + // Directive Prologues. + case "ExpressionStatement": + return ( + !astUtils.isParenthesised(sourceCode, node) && + isExpressionInOrJustAfterDirectivePrologue(node) + ); + + // LiteralPropertyName. + case "Property": + case "PropertyDefinition": + case "MethodDefinition": + return parent.key === node && !parent.computed; + + // ModuleSpecifier. + case "ImportDeclaration": + case "ExportNamedDeclaration": + return parent.source === node; + + // ModuleExportName or ModuleSpecifier. + case "ExportAllDeclaration": + return parent.exported === node || parent.source === node; + + // ModuleExportName. + case "ImportSpecifier": + return parent.imported === node; + + // ModuleExportName. + case "ExportSpecifier": + return parent.local === node || parent.exported === node; + + // Others don't allow. + default: + return false; + } + } + + /** + * Checks whether or not a given TemplateLiteral node is actually using any of the special features provided by template literal strings. + * @param {ASTNode} node A TemplateLiteral node to check. + * @returns {boolean} Whether or not the TemplateLiteral node is using any of the special features provided by template literal strings. + * @private + */ + function isUsingFeatureOfTemplateLiteral(node) { + const hasTag = + node.parent.type === "TaggedTemplateExpression" && + node === node.parent.quasi; + + if (hasTag) { + return true; + } + + const hasStringInterpolation = node.expressions.length > 0; + + if (hasStringInterpolation) { + return true; + } + + const isMultilineString = + node.quasis.length >= 1 && + UNESCAPED_LINEBREAK_PATTERN.test(node.quasis[0].value.raw); + + if (isMultilineString) { + return true; + } + + return false; + } + + return { + Literal(node) { + const val = node.value, + rawVal = node.raw; + + if (settings && typeof val === "string") { + let isValid = + (quoteOption === "backtick" && + isAllowedAsNonBacktick(node)) || + isJSXLiteral(node) || + astUtils.isSurroundedBy(rawVal, settings.quote); + + if (!isValid && avoidEscape) { + isValid = + astUtils.isSurroundedBy( + rawVal, + settings.alternateQuote, + ) && rawVal.includes(settings.quote); + } + + if (!isValid) { + context.report({ + node, + messageId: "wrongQuotes", + data: { + description: settings.description, + }, + fix(fixer) { + if ( + quoteOption === "backtick" && + astUtils.hasOctalOrNonOctalDecimalEscapeSequence( + rawVal, + ) + ) { + /* + * An octal or non-octal decimal escape sequence in a template literal would + * produce syntax error, even in non-strict mode. + */ + return null; + } + + return fixer.replaceText( + node, + settings.convert(node.raw), + ); + }, + }); + } + } + }, + + TemplateLiteral(node) { + // Don't throw an error if backticks are expected or a template literal feature is in use. + if ( + allowTemplateLiterals || + quoteOption === "backtick" || + isUsingFeatureOfTemplateLiteral(node) + ) { + return; + } + + context.report({ + node, + messageId: "wrongQuotes", + data: { + description: settings.description, + }, + fix(fixer) { + if ( + astUtils.isTopLevelExpressionStatement( + node.parent, + ) && + !astUtils.isParenthesised(sourceCode, node) + ) { + /* + * TemplateLiterals aren't actually directives, but fixing them might turn + * them into directives and change the behavior of the code. + */ + return null; + } + return fixer.replaceText( + node, + settings.convert(sourceCode.getText(node)), + ); + }, + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/radix.js b/module/node_modules/eslint/lib/rules/radix.js new file mode 100644 index 000000000..b342636c4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/radix.js @@ -0,0 +1,216 @@ +/** + * @fileoverview Rule to flag use of parseInt without a radix argument + * @author James Allardice + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const MODE_ALWAYS = "always", + MODE_AS_NEEDED = "as-needed"; + +const validRadixValues = new Set( + Array.from({ length: 37 - 2 }, (_, index) => index + 2), +); + +/** + * Checks whether a given variable is shadowed or not. + * @param {eslint-scope.Variable} variable A variable to check. + * @returns {boolean} `true` if the variable is shadowed. + */ +function isShadowed(variable) { + return variable.defs.length >= 1; +} + +/** + * Checks whether a given node is a MemberExpression of `parseInt` method or not. + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is a MemberExpression of `parseInt` + * method. + */ +function isParseIntMethod(node) { + return ( + node.type === "MemberExpression" && + !node.computed && + node.property.type === "Identifier" && + node.property.name === "parseInt" + ); +} + +/** + * Checks whether a given node is a valid value of radix or not. + * + * The following values are invalid. + * + * - A literal except integers between 2 and 36. + * - undefined. + * @param {ASTNode} radix A node of radix to check. + * @returns {boolean} `true` if the node is valid. + */ +function isValidRadix(radix) { + return !( + (radix.type === "Literal" && !validRadixValues.has(radix.value)) || + (radix.type === "Identifier" && radix.name === "undefined") + ); +} + +/** + * Checks whether a given node is a default value of radix or not. + * @param {ASTNode} radix A node of radix to check. + * @returns {boolean} `true` if the node is the literal node of `10`. + */ +function isDefaultRadix(radix) { + return radix.type === "Literal" && radix.value === 10; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [MODE_ALWAYS], + + docs: { + description: + "Enforce the consistent use of the radix argument when using `parseInt()`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/radix", + }, + + hasSuggestions: true, + + schema: [ + { + enum: ["always", "as-needed"], + }, + ], + + messages: { + missingParameters: "Missing parameters.", + redundantRadix: "Redundant radix parameter.", + missingRadix: "Missing radix parameter.", + invalidRadix: + "Invalid radix parameter, must be an integer between 2 and 36.", + addRadixParameter10: + "Add radix parameter `10` for parsing decimal numbers.", + }, + }, + + create(context) { + const [mode] = context.options; + const sourceCode = context.sourceCode; + + /** + * Checks the arguments of a given CallExpression node and reports it if it + * offends this rule. + * @param {ASTNode} node A CallExpression node to check. + * @returns {void} + */ + function checkArguments(node) { + const args = node.arguments; + + switch (args.length) { + case 0: + context.report({ + node, + messageId: "missingParameters", + }); + break; + + case 1: + if (mode === MODE_ALWAYS) { + context.report({ + node, + messageId: "missingRadix", + suggest: [ + { + messageId: "addRadixParameter10", + fix(fixer) { + const tokens = + sourceCode.getTokens(node); + const lastToken = tokens.at(-1); // Parenthesis. + const secondToLastToken = tokens.at(-2); // May or may not be a comma. + const hasTrailingComma = + secondToLastToken.type === + "Punctuator" && + secondToLastToken.value === ","; + + return fixer.insertTextBefore( + lastToken, + hasTrailingComma ? " 10," : ", 10", + ); + }, + }, + ], + }); + } + break; + + default: + if (mode === MODE_AS_NEEDED && isDefaultRadix(args[1])) { + context.report({ + node, + messageId: "redundantRadix", + }); + } else if (!isValidRadix(args[1])) { + context.report({ + node, + messageId: "invalidRadix", + }); + } + break; + } + } + + return { + "Program:exit"(node) { + const scope = sourceCode.getScope(node); + let variable; + + // Check `parseInt()` + variable = astUtils.getVariableByName(scope, "parseInt"); + if (variable && !isShadowed(variable)) { + variable.references.forEach(reference => { + const idNode = reference.identifier; + + if (astUtils.isCallee(idNode)) { + checkArguments(idNode.parent); + } + }); + } + + // Check `Number.parseInt()` + variable = astUtils.getVariableByName(scope, "Number"); + if (variable && !isShadowed(variable)) { + variable.references.forEach(reference => { + const parentNode = reference.identifier.parent; + const maybeCallee = + parentNode.parent.type === "ChainExpression" + ? parentNode.parent + : parentNode; + + if ( + isParseIntMethod(parentNode) && + astUtils.isCallee(maybeCallee) + ) { + checkArguments(maybeCallee.parent); + } + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/require-atomic-updates.js b/module/node_modules/eslint/lib/rules/require-atomic-updates.js new file mode 100644 index 000000000..c3935cca8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/require-atomic-updates.js @@ -0,0 +1,365 @@ +/** + * @fileoverview disallow assignments that can lead to race conditions due to usage of `await` or `yield` + * @author Teddy Katz + * @author Toru Nagashima + */ +"use strict"; + +/** + * Make the map from identifiers to each reference. + * @param {escope.Scope} scope The scope to get references. + * @param {Map} [outReferenceMap] The map from identifier nodes to each reference object. + * @returns {Map} `referenceMap`. + */ +function createReferenceMap(scope, outReferenceMap = new Map()) { + for (const reference of scope.references) { + if (reference.resolved === null) { + continue; + } + + outReferenceMap.set(reference.identifier, reference); + } + for (const childScope of scope.childScopes) { + if (childScope.type !== "function") { + createReferenceMap(childScope, outReferenceMap); + } + } + + return outReferenceMap; +} + +/** + * Get `reference.writeExpr` of a given reference. + * If it's the read reference of MemberExpression in LHS, returns RHS in order to address `a.b = await a` + * @param {escope.Reference} reference The reference to get. + * @returns {Expression|null} The `reference.writeExpr`. + */ +function getWriteExpr(reference) { + if (reference.writeExpr) { + return reference.writeExpr; + } + let node = reference.identifier; + + while (node) { + const t = node.parent.type; + + if (t === "AssignmentExpression" && node.parent.left === node) { + return node.parent.right; + } + if (t === "MemberExpression" && node.parent.object === node) { + node = node.parent; + continue; + } + + break; + } + + return null; +} + +/** + * Checks if an expression is a variable that can only be observed within the given function. + * @param {Variable|null} variable The variable to check + * @param {boolean} isMemberAccess If `true` then this is a member access. + * @returns {boolean} `true` if the variable is local to the given function, and is never referenced in a closure. + */ +function isLocalVariableWithoutEscape(variable, isMemberAccess) { + if (!variable) { + return false; // A global variable which was not defined. + } + + // If the reference is a property access and the variable is a parameter, it handles the variable is not local. + if (isMemberAccess && variable.defs.some(d => d.type === "Parameter")) { + return false; + } + + const functionScope = variable.scope.variableScope; + + return variable.references.every( + reference => reference.from.variableScope === functionScope, + ); +} + +/** + * Represents segment information. + */ +class SegmentInfo { + constructor() { + this.info = new WeakMap(); + } + + /** + * Initialize the segment information. + * @param {PathSegment} segment The segment to initialize. + * @returns {void} + */ + initialize(segment) { + const outdatedReadVariables = new Set(); + const freshReadVariables = new Set(); + + for (const prevSegment of segment.prevSegments) { + const info = this.info.get(prevSegment); + + if (info) { + info.outdatedReadVariables.forEach( + Set.prototype.add, + outdatedReadVariables, + ); + info.freshReadVariables.forEach( + Set.prototype.add, + freshReadVariables, + ); + } + } + + this.info.set(segment, { outdatedReadVariables, freshReadVariables }); + } + + /** + * Mark a given variable as read on given segments. + * @param {PathSegment[]} segments The segments that it read the variable on. + * @param {Variable} variable The variable to be read. + * @returns {void} + */ + markAsRead(segments, variable) { + for (const segment of segments) { + const info = this.info.get(segment); + + if (info) { + info.freshReadVariables.add(variable); + + // If a variable is freshly read again, then it's no more out-dated. + info.outdatedReadVariables.delete(variable); + } + } + } + + /** + * Move `freshReadVariables` to `outdatedReadVariables`. + * @param {PathSegment[]} segments The segments to process. + * @returns {void} + */ + makeOutdated(segments) { + for (const segment of segments) { + const info = this.info.get(segment); + + if (info) { + info.freshReadVariables.forEach( + Set.prototype.add, + info.outdatedReadVariables, + ); + info.freshReadVariables.clear(); + } + } + } + + /** + * Check if a given variable is outdated on the current segments. + * @param {PathSegment[]} segments The current segments. + * @param {Variable} variable The variable to check. + * @returns {boolean} `true` if the variable is outdated on the segments. + */ + isOutdated(segments, variable) { + for (const segment of segments) { + const info = this.info.get(segment); + + if (info && info.outdatedReadVariables.has(variable)) { + return true; + } + } + return false; + } +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + allowProperties: false, + }, + ], + + docs: { + description: + "Disallow assignments that can lead to race conditions due to usage of `await` or `yield`", + recommended: false, + url: "https://eslint.org/docs/latest/rules/require-atomic-updates", + }, + + fixable: null, + + schema: [ + { + type: "object", + properties: { + allowProperties: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + nonAtomicUpdate: + "Possible race condition: `{{value}}` might be reassigned based on an outdated value of `{{value}}`.", + nonAtomicObjectUpdate: + "Possible race condition: `{{value}}` might be assigned based on an outdated state of `{{object}}`.", + }, + }, + + create(context) { + const [{ allowProperties }] = context.options; + + const sourceCode = context.sourceCode; + const assignmentReferences = new Map(); + const segmentInfo = new SegmentInfo(); + let stack = null; + + return { + onCodePathStart(codePath, node) { + const scope = sourceCode.getScope(node); + const shouldVerify = + scope.type === "function" && + (scope.block.async || scope.block.generator); + + stack = { + upper: stack, + codePath, + referenceMap: shouldVerify + ? createReferenceMap(scope) + : null, + currentSegments: new Set(), + }; + }, + onCodePathEnd() { + stack = stack.upper; + }, + + // Initialize the segment information. + onCodePathSegmentStart(segment) { + segmentInfo.initialize(segment); + stack.currentSegments.add(segment); + }, + + onUnreachableCodePathSegmentStart(segment) { + stack.currentSegments.add(segment); + }, + + onUnreachableCodePathSegmentEnd(segment) { + stack.currentSegments.delete(segment); + }, + + onCodePathSegmentEnd(segment) { + stack.currentSegments.delete(segment); + }, + + // Handle references to prepare verification. + Identifier(node) { + const { referenceMap } = stack; + const reference = referenceMap && referenceMap.get(node); + + // Ignore if this is not a valid variable reference. + if (!reference) { + return; + } + const variable = reference.resolved; + const writeExpr = getWriteExpr(reference); + const isMemberAccess = + reference.identifier.parent.type === "MemberExpression"; + + // Add a fresh read variable. + if ( + reference.isRead() && + !(writeExpr && writeExpr.parent.operator === "=") + ) { + segmentInfo.markAsRead(stack.currentSegments, variable); + } + + /* + * Register the variable to verify after ESLint traversed the `writeExpr` node + * if this reference is an assignment to a variable which is referred from other closure. + */ + if ( + writeExpr && + writeExpr.parent.right === writeExpr && // ← exclude variable declarations. + !isLocalVariableWithoutEscape(variable, isMemberAccess) + ) { + let refs = assignmentReferences.get(writeExpr); + + if (!refs) { + refs = []; + assignmentReferences.set(writeExpr, refs); + } + + refs.push(reference); + } + }, + + /* + * Verify assignments. + * If the reference exists in `outdatedReadVariables` list, report it. + */ + ":expression:exit"(node) { + // referenceMap exists if this is in a resumable function scope. + if (!stack.referenceMap) { + return; + } + + // Mark the read variables on this code path as outdated. + if ( + node.type === "AwaitExpression" || + node.type === "YieldExpression" + ) { + segmentInfo.makeOutdated(stack.currentSegments); + } + + // Verify. + const references = assignmentReferences.get(node); + + if (references) { + assignmentReferences.delete(node); + + for (const reference of references) { + const variable = reference.resolved; + + if ( + segmentInfo.isOutdated( + stack.currentSegments, + variable, + ) + ) { + if (node.parent.left === reference.identifier) { + context.report({ + node: node.parent, + messageId: "nonAtomicUpdate", + data: { + value: variable.name, + }, + }); + } else if (!allowProperties) { + context.report({ + node: node.parent, + messageId: "nonAtomicObjectUpdate", + data: { + value: sourceCode.getText( + node.parent.left, + ), + object: variable.name, + }, + }); + } + } + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/require-await.js b/module/node_modules/eslint/lib/rules/require-await.js new file mode 100644 index 000000000..7f3194979 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/require-await.js @@ -0,0 +1,184 @@ +/** + * @fileoverview Rule to disallow async functions which have no `await` expression. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Capitalize the 1st letter of the given text. + * @param {string} text The text to capitalize. + * @returns {string} The text that the 1st letter was capitalized. + */ +function capitalizeFirstLetter(text) { + return text[0].toUpperCase() + text.slice(1); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Disallow async functions which have no `await` expression", + recommended: false, + url: "https://eslint.org/docs/latest/rules/require-await", + }, + + schema: [], + + messages: { + missingAwait: "{{name}} has no 'await' expression.", + removeAsync: "Remove 'async'.", + }, + + hasSuggestions: true, + }, + + create(context) { + const sourceCode = context.sourceCode; + let scopeInfo = null; + + /** + * Push the scope info object to the stack. + * @returns {void} + */ + function enterFunction() { + scopeInfo = { + upper: scopeInfo, + hasAwait: false, + }; + } + + /** + * Pop the top scope info object from the stack. + * Also, it reports the function if needed. + * @param {ASTNode} node The node to report. + * @returns {void} + */ + function exitFunction(node) { + if ( + !node.generator && + node.async && + !scopeInfo.hasAwait && + !astUtils.isEmptyFunction(node) + ) { + /* + * If the function belongs to a method definition or + * property, then the function's range may not include the + * `async` keyword and we should look at the parent instead. + */ + const nodeWithAsyncKeyword = + (node.parent.type === "MethodDefinition" && + node.parent.value === node) || + (node.parent.type === "Property" && + node.parent.method && + node.parent.value === node) + ? node.parent + : node; + + const asyncToken = sourceCode.getFirstToken( + nodeWithAsyncKeyword, + token => token.value === "async", + ); + const asyncRange = [ + asyncToken.range[0], + sourceCode.getTokenAfter(asyncToken, { + includeComments: true, + }).range[0], + ]; + + /* + * Removing the `async` keyword can cause parsing errors if the current + * statement is relying on automatic semicolon insertion. If ASI is currently + * being used, then we should replace the `async` keyword with a semicolon. + */ + const nextToken = sourceCode.getTokenAfter(asyncToken); + const addSemiColon = + nextToken.type === "Punctuator" && + (nextToken.value === "[" || nextToken.value === "(") && + (nodeWithAsyncKeyword.type === "MethodDefinition" || + astUtils.isStartOfExpressionStatement( + nodeWithAsyncKeyword, + )) && + astUtils.needsPrecedingSemicolon( + sourceCode, + nodeWithAsyncKeyword, + ); + + context.report({ + node, + loc: astUtils.getFunctionHeadLoc(node, sourceCode), + messageId: "missingAwait", + data: { + name: capitalizeFirstLetter( + astUtils.getFunctionNameWithKind(node), + ), + }, + suggest: [ + { + messageId: "removeAsync", + fix: fixer => + fixer.replaceTextRange( + asyncRange, + addSemiColon ? ";" : "", + ), + }, + ], + }); + } + + scopeInfo = scopeInfo.upper; + } + + return { + FunctionDeclaration: enterFunction, + FunctionExpression: enterFunction, + ArrowFunctionExpression: enterFunction, + "FunctionDeclaration:exit": exitFunction, + "FunctionExpression:exit": exitFunction, + "ArrowFunctionExpression:exit": exitFunction, + + AwaitExpression() { + if (!scopeInfo) { + return; + } + + scopeInfo.hasAwait = true; + }, + ForOfStatement(node) { + if (!scopeInfo) { + return; + } + + if (node.await) { + scopeInfo.hasAwait = true; + } + }, + VariableDeclaration(node) { + if (!scopeInfo) { + return; + } + + if (node.kind === "await using") { + scopeInfo.hasAwait = true; + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/require-unicode-regexp.js b/module/node_modules/eslint/lib/rules/require-unicode-regexp.js new file mode 100644 index 000000000..fd039afe1 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/require-unicode-regexp.js @@ -0,0 +1,317 @@ +/** + * @fileoverview Rule to enforce the use of `u` or `v` flag on regular expressions. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { + CALL, + CONSTRUCT, + ReferenceTracker, + getStringIfConstant, +} = require("@eslint-community/eslint-utils"); +const astUtils = require("./utils/ast-utils.js"); +const { isValidWithUnicodeFlag } = require("./utils/regular-expressions"); + +/** + * Checks whether the flag configuration should be treated as a missing flag. + * @param {"u"|"v"|undefined} requireFlag A particular flag to require + * @param {string} flags The regex flags + * @returns {boolean} Whether the flag configuration results in a missing flag. + */ +function checkFlags(requireFlag, flags) { + let missingFlag; + + if (requireFlag === "v") { + missingFlag = !flags.includes("v"); + } else if (requireFlag === "u") { + missingFlag = !flags.includes("u"); + } else { + missingFlag = !flags.includes("u") && !flags.includes("v"); + } + + return missingFlag; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [{}], + + docs: { + description: + "Enforce the use of `u` or `v` flag on regular expressions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/require-unicode-regexp", + }, + + hasSuggestions: true, + + messages: { + addUFlag: "Add the 'u' flag.", + addVFlag: "Add the 'v' flag.", + requireUFlag: "Use the 'u' flag.", + requireVFlag: "Use the 'v' flag.", + }, + + schema: [ + { + type: "object", + properties: { + requireFlag: { + enum: ["u", "v"], + }, + }, + additionalProperties: false, + }, + ], + }, + + create(context) { + const sourceCode = context.sourceCode; + + const [{ requireFlag }] = context.options; + + return { + "Literal[regex]"(node) { + const flags = node.regex.flags || ""; + + const missingFlag = checkFlags(requireFlag, flags); + + if (missingFlag) { + context.report({ + messageId: + requireFlag === "v" + ? "requireVFlag" + : "requireUFlag", + node, + suggest: isValidWithUnicodeFlag( + context.languageOptions.ecmaVersion, + node.regex.pattern, + requireFlag, + ) + ? [ + { + fix(fixer) { + const replaceFlag = + requireFlag ?? "u"; + const regex = + sourceCode.getText(node); + const slashPos = + regex.lastIndexOf("/"); + + if (requireFlag) { + const flag = + requireFlag === "u" + ? "v" + : "u"; + + if ( + regex.includes( + flag, + slashPos, + ) + ) { + return fixer.replaceText( + node, + regex.slice( + 0, + slashPos, + ) + + regex + .slice(slashPos) + .replace( + flag, + requireFlag, + ), + ); + } + } + + return fixer.insertTextAfter( + node, + replaceFlag, + ); + }, + messageId: + requireFlag === "v" + ? "addVFlag" + : "addUFlag", + }, + ] + : null, + }); + } + }, + + Program(node) { + const scope = sourceCode.getScope(node); + const tracker = new ReferenceTracker(scope); + const trackMap = { + RegExp: { [CALL]: true, [CONSTRUCT]: true }, + }; + + for (const { node: refNode } of tracker.iterateGlobalReferences( + trackMap, + )) { + const [patternNode, flagsNode] = refNode.arguments; + + if (patternNode && patternNode.type === "SpreadElement") { + continue; + } + const pattern = getStringIfConstant(patternNode, scope); + const flags = getStringIfConstant(flagsNode, scope); + + let missingFlag = !flagsNode; + + if (typeof flags === "string") { + missingFlag = checkFlags(requireFlag, flags); + } + + if (missingFlag) { + context.report({ + messageId: + requireFlag === "v" + ? "requireVFlag" + : "requireUFlag", + node: refNode, + suggest: + typeof pattern === "string" && + isValidWithUnicodeFlag( + context.languageOptions.ecmaVersion, + pattern, + requireFlag, + ) + ? [ + { + fix(fixer) { + const replaceFlag = + requireFlag ?? "u"; + + if (flagsNode) { + if ( + (flagsNode.type === + "Literal" && + typeof flagsNode.value === + "string") || + flagsNode.type === + "TemplateLiteral" + ) { + const flagsNodeText = + sourceCode.getText( + flagsNode, + ); + const flag = + requireFlag === + "u" + ? "v" + : "u"; + + if ( + flags.includes( + flag, + ) + ) { + // Avoid replacing "u" in escapes like `\uXXXX` + if ( + flagsNode.type === + "Literal" && + flagsNode.raw.includes( + "\\", + ) + ) { + return null; + } + + // Avoid replacing "u" in expressions like "`${regularFlags}g`" + if ( + flagsNode.type === + "TemplateLiteral" && + (flagsNode + .expressions + .length || + flagsNode.quasis.some( + ({ + value: { + raw, + }, + }) => + raw.includes( + "\\", + ), + )) + ) { + return null; + } + + return fixer.replaceText( + flagsNode, + flagsNodeText.replace( + flag, + replaceFlag, + ), + ); + } + + return fixer.replaceText( + flagsNode, + [ + flagsNodeText.slice( + 0, + flagsNodeText.length - + 1, + ), + flagsNodeText.slice( + flagsNodeText.length - + 1, + ), + ].join( + replaceFlag, + ), + ); + } + + // We intentionally don't suggest concatenating + "u" to non-literals + return null; + } + + const penultimateToken = + sourceCode.getLastToken( + refNode, + { skip: 1 }, + ); // skip closing parenthesis + + return fixer.insertTextAfter( + penultimateToken, + astUtils.isCommaToken( + penultimateToken, + ) + ? ` "${replaceFlag}",` + : `, "${replaceFlag}"`, + ); + }, + messageId: + requireFlag === "v" + ? "addVFlag" + : "addUFlag", + }, + ] + : null, + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/require-yield.js b/module/node_modules/eslint/lib/rules/require-yield.js new file mode 100644 index 000000000..0cc8d20cb --- /dev/null +++ b/module/node_modules/eslint/lib/rules/require-yield.js @@ -0,0 +1,76 @@ +/** + * @fileoverview Rule to flag the generator functions that does not have yield. + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Require generator functions to contain `yield`", + recommended: true, + url: "https://eslint.org/docs/latest/rules/require-yield", + }, + + schema: [], + + messages: { + missingYield: "This generator function does not have 'yield'.", + }, + }, + + create(context) { + const stack = []; + + /** + * If the node is a generator function, start counting `yield` keywords. + * @param {Node} node A function node to check. + * @returns {void} + */ + function beginChecking(node) { + if (node.generator) { + stack.push(0); + } + } + + /** + * If the node is a generator function, end counting `yield` keywords, then + * reports result. + * @param {Node} node A function node to check. + * @returns {void} + */ + function endChecking(node) { + if (!node.generator) { + return; + } + + const countYield = stack.pop(); + + if (countYield === 0 && node.body.body.length > 0) { + context.report({ node, messageId: "missingYield" }); + } + } + + return { + FunctionDeclaration: beginChecking, + "FunctionDeclaration:exit": endChecking, + FunctionExpression: beginChecking, + "FunctionExpression:exit": endChecking, + + // Increases the count of `yield` keyword. + YieldExpression() { + if (stack.length > 0) { + stack[stack.length - 1] += 1; + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/rest-spread-spacing.js b/module/node_modules/eslint/lib/rules/rest-spread-spacing.js new file mode 100644 index 000000000..d9b6c74ad --- /dev/null +++ b/module/node_modules/eslint/lib/rules/rest-spread-spacing.js @@ -0,0 +1,153 @@ +/** + * @fileoverview Enforce spacing between rest and spread operators and their expressions. + * @author Kai Cataldo + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "rest-spread-spacing", + url: "https://eslint.style/rules/rest-spread-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce spacing between rest and spread operators and their expressions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/rest-spread-spacing", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["always", "never"], + }, + ], + + messages: { + unexpectedWhitespace: + "Unexpected whitespace after {{type}} operator.", + expectedWhitespace: "Expected whitespace after {{type}} operator.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode, + alwaysSpace = context.options[0] === "always"; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Checks whitespace between rest/spread operators and their expressions + * @param {ASTNode} node The node to check + * @returns {void} + */ + function checkWhiteSpace(node) { + const operator = sourceCode.getFirstToken(node), + nextToken = sourceCode.getTokenAfter(operator), + hasWhitespace = sourceCode.isSpaceBetweenTokens( + operator, + nextToken, + ); + let type; + + switch (node.type) { + case "SpreadElement": + type = "spread"; + if (node.parent.type === "ObjectExpression") { + type += " property"; + } + break; + case "RestElement": + type = "rest"; + if (node.parent.type === "ObjectPattern") { + type += " property"; + } + break; + case "ExperimentalSpreadProperty": + type = "spread property"; + break; + case "ExperimentalRestProperty": + type = "rest property"; + break; + default: + return; + } + + if (alwaysSpace && !hasWhitespace) { + context.report({ + node, + loc: operator.loc, + messageId: "expectedWhitespace", + data: { + type, + }, + fix(fixer) { + return fixer.replaceTextRange( + [operator.range[1], nextToken.range[0]], + " ", + ); + }, + }); + } else if (!alwaysSpace && hasWhitespace) { + context.report({ + node, + loc: { + start: operator.loc.end, + end: nextToken.loc.start, + }, + messageId: "unexpectedWhitespace", + data: { + type, + }, + fix(fixer) { + return fixer.removeRange([ + operator.range[1], + nextToken.range[0], + ]); + }, + }); + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + SpreadElement: checkWhiteSpace, + RestElement: checkWhiteSpace, + ExperimentalSpreadProperty: checkWhiteSpace, + ExperimentalRestProperty: checkWhiteSpace, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/semi-spacing.js b/module/node_modules/eslint/lib/rules/semi-spacing.js new file mode 100644 index 000000000..f8b9b6621 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/semi-spacing.js @@ -0,0 +1,297 @@ +/** + * @fileoverview Validates spacing before and after semicolon + * @author Mathias Schreck + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "semi-spacing", + url: "https://eslint.style/rules/semi-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce consistent spacing before and after semicolons", + recommended: false, + url: "https://eslint.org/docs/latest/rules/semi-spacing", + }, + + fixable: "whitespace", + + schema: [ + { + type: "object", + properties: { + before: { + type: "boolean", + default: false, + }, + after: { + type: "boolean", + default: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedWhitespaceBefore: + "Unexpected whitespace before semicolon.", + unexpectedWhitespaceAfter: "Unexpected whitespace after semicolon.", + missingWhitespaceBefore: "Missing whitespace before semicolon.", + missingWhitespaceAfter: "Missing whitespace after semicolon.", + }, + }, + + create(context) { + const config = context.options[0], + sourceCode = context.sourceCode; + let requireSpaceBefore = false, + requireSpaceAfter = true; + + if (typeof config === "object") { + requireSpaceBefore = config.before; + requireSpaceAfter = config.after; + } + + /** + * Checks if a given token has leading whitespace. + * @param {Object} token The token to check. + * @returns {boolean} True if the given token has leading space, false if not. + */ + function hasLeadingSpace(token) { + const tokenBefore = sourceCode.getTokenBefore(token); + + return ( + tokenBefore && + astUtils.isTokenOnSameLine(tokenBefore, token) && + sourceCode.isSpaceBetweenTokens(tokenBefore, token) + ); + } + + /** + * Checks if a given token has trailing whitespace. + * @param {Object} token The token to check. + * @returns {boolean} True if the given token has trailing space, false if not. + */ + function hasTrailingSpace(token) { + const tokenAfter = sourceCode.getTokenAfter(token); + + return ( + tokenAfter && + astUtils.isTokenOnSameLine(token, tokenAfter) && + sourceCode.isSpaceBetweenTokens(token, tokenAfter) + ); + } + + /** + * Checks if the given token is the last token in its line. + * @param {Token} token The token to check. + * @returns {boolean} Whether or not the token is the last in its line. + */ + function isLastTokenInCurrentLine(token) { + const tokenAfter = sourceCode.getTokenAfter(token); + + return !( + tokenAfter && astUtils.isTokenOnSameLine(token, tokenAfter) + ); + } + + /** + * Checks if the given token is the first token in its line + * @param {Token} token The token to check. + * @returns {boolean} Whether or not the token is the first in its line. + */ + function isFirstTokenInCurrentLine(token) { + const tokenBefore = sourceCode.getTokenBefore(token); + + return !( + tokenBefore && astUtils.isTokenOnSameLine(token, tokenBefore) + ); + } + + /** + * Checks if the next token of a given token is a closing parenthesis. + * @param {Token} token The token to check. + * @returns {boolean} Whether or not the next token of a given token is a closing parenthesis. + */ + function isBeforeClosingParen(token) { + const nextToken = sourceCode.getTokenAfter(token); + + return ( + (nextToken && astUtils.isClosingBraceToken(nextToken)) || + astUtils.isClosingParenToken(nextToken) + ); + } + + /** + * Report location example : + * + * for unexpected space `before` + * + * var a = 'b' ; + * ^^^ + * + * for unexpected space `after` + * + * var a = 'b'; c = 10; + * ^^ + * + * Reports if the given token has invalid spacing. + * @param {Token} token The semicolon token to check. + * @param {ASTNode} node The corresponding node of the token. + * @returns {void} + */ + function checkSemicolonSpacing(token, node) { + if (astUtils.isSemicolonToken(token)) { + if (hasLeadingSpace(token)) { + if (!requireSpaceBefore) { + const tokenBefore = sourceCode.getTokenBefore(token); + const loc = { + start: tokenBefore.loc.end, + end: token.loc.start, + }; + + context.report({ + node, + loc, + messageId: "unexpectedWhitespaceBefore", + fix(fixer) { + return fixer.removeRange([ + tokenBefore.range[1], + token.range[0], + ]); + }, + }); + } + } else { + if (requireSpaceBefore) { + const loc = token.loc; + + context.report({ + node, + loc, + messageId: "missingWhitespaceBefore", + fix(fixer) { + return fixer.insertTextBefore(token, " "); + }, + }); + } + } + + if ( + !isFirstTokenInCurrentLine(token) && + !isLastTokenInCurrentLine(token) && + !isBeforeClosingParen(token) + ) { + if (hasTrailingSpace(token)) { + if (!requireSpaceAfter) { + const tokenAfter = sourceCode.getTokenAfter(token); + const loc = { + start: token.loc.end, + end: tokenAfter.loc.start, + }; + + context.report({ + node, + loc, + messageId: "unexpectedWhitespaceAfter", + fix(fixer) { + return fixer.removeRange([ + token.range[1], + tokenAfter.range[0], + ]); + }, + }); + } + } else { + if (requireSpaceAfter) { + const loc = token.loc; + + context.report({ + node, + loc, + messageId: "missingWhitespaceAfter", + fix(fixer) { + return fixer.insertTextAfter(token, " "); + }, + }); + } + } + } + } + } + + /** + * Checks the spacing of the semicolon with the assumption that the last token is the semicolon. + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function checkNode(node) { + const token = sourceCode.getLastToken(node); + + checkSemicolonSpacing(token, node); + } + + return { + VariableDeclaration: checkNode, + ExpressionStatement: checkNode, + BreakStatement: checkNode, + ContinueStatement: checkNode, + DebuggerStatement: checkNode, + DoWhileStatement: checkNode, + ReturnStatement: checkNode, + ThrowStatement: checkNode, + ImportDeclaration: checkNode, + ExportNamedDeclaration: checkNode, + ExportAllDeclaration: checkNode, + ExportDefaultDeclaration: checkNode, + ForStatement(node) { + if (node.init) { + checkSemicolonSpacing( + sourceCode.getTokenAfter(node.init), + node, + ); + } + + if (node.test) { + checkSemicolonSpacing( + sourceCode.getTokenAfter(node.test), + node, + ); + } + }, + PropertyDefinition: checkNode, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/semi-style.js b/module/node_modules/eslint/lib/rules/semi-style.js new file mode 100644 index 000000000..43b32e148 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/semi-style.js @@ -0,0 +1,218 @@ +/** + * @fileoverview Rule to enforce location of semicolons. + * @author Toru Nagashima + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +const SELECTOR = [ + "BreakStatement", + "ContinueStatement", + "DebuggerStatement", + "DoWhileStatement", + "ExportAllDeclaration", + "ExportDefaultDeclaration", + "ExportNamedDeclaration", + "ExpressionStatement", + "ImportDeclaration", + "ReturnStatement", + "ThrowStatement", + "VariableDeclaration", + "PropertyDefinition", +].join(","); + +/** + * Get the child node list of a given node. + * This returns `BlockStatement#body`, `StaticBlock#body`, `Program#body`, + * `ClassBody#body`, or `SwitchCase#consequent`. + * This is used to check whether a node is the first/last child. + * @param {Node} node A node to get child node list. + * @returns {Node[]|null} The child node list. + */ +function getChildren(node) { + const t = node.type; + + if ( + t === "BlockStatement" || + t === "StaticBlock" || + t === "Program" || + t === "ClassBody" + ) { + return node.body; + } + if (t === "SwitchCase") { + return node.consequent; + } + return null; +} + +/** + * Check whether a given node is the last statement in the parent block. + * @param {Node} node A node to check. + * @returns {boolean} `true` if the node is the last statement in the parent block. + */ +function isLastChild(node) { + const t = node.parent.type; + + if ( + t === "IfStatement" && + node.parent.consequent === node && + node.parent.alternate + ) { + // before `else` keyword. + return true; + } + if (t === "DoWhileStatement") { + // before `while` keyword. + return true; + } + const nodeList = getChildren(node.parent); + + return nodeList !== null && nodeList.at(-1) === node; // before `}` or etc. +} + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "semi-style", + url: "https://eslint.style/rules/semi-style", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce location of semicolons", + recommended: false, + url: "https://eslint.org/docs/latest/rules/semi-style", + }, + + schema: [{ enum: ["last", "first"] }], + fixable: "whitespace", + + messages: { + expectedSemiColon: "Expected this semicolon to be at {{pos}}.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const option = context.options[0] || "last"; + + /** + * Check the given semicolon token. + * @param {Token} semiToken The semicolon token to check. + * @param {"first"|"last"} expected The expected location to check. + * @returns {void} + */ + function check(semiToken, expected) { + const prevToken = sourceCode.getTokenBefore(semiToken); + const nextToken = sourceCode.getTokenAfter(semiToken); + const prevIsSameLine = + !prevToken || astUtils.isTokenOnSameLine(prevToken, semiToken); + const nextIsSameLine = + !nextToken || astUtils.isTokenOnSameLine(semiToken, nextToken); + + if ( + (expected === "last" && !prevIsSameLine) || + (expected === "first" && !nextIsSameLine) + ) { + context.report({ + loc: semiToken.loc, + messageId: "expectedSemiColon", + data: { + pos: + expected === "last" + ? "the end of the previous line" + : "the beginning of the next line", + }, + fix(fixer) { + if ( + prevToken && + nextToken && + sourceCode.commentsExistBetween( + prevToken, + nextToken, + ) + ) { + return null; + } + + const start = prevToken + ? prevToken.range[1] + : semiToken.range[0]; + const end = nextToken + ? nextToken.range[0] + : semiToken.range[1]; + const text = expected === "last" ? ";\n" : "\n;"; + + return fixer.replaceTextRange([start, end], text); + }, + }); + } + } + + return { + [SELECTOR](node) { + if (option === "first" && isLastChild(node)) { + return; + } + + const lastToken = sourceCode.getLastToken(node); + + if (astUtils.isSemicolonToken(lastToken)) { + check(lastToken, option); + } + }, + + ForStatement(node) { + const firstSemi = + node.init && + sourceCode.getTokenAfter( + node.init, + astUtils.isSemicolonToken, + ); + const secondSemi = + node.test && + sourceCode.getTokenAfter( + node.test, + astUtils.isSemicolonToken, + ); + + if (firstSemi) { + check(firstSemi, "last"); + } + if (secondSemi) { + check(secondSemi, "last"); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/semi.js b/module/node_modules/eslint/lib/rules/semi.js new file mode 100644 index 000000000..b6d28d88e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/semi.js @@ -0,0 +1,476 @@ +/** + * @fileoverview Rule to flag missing semicolons. + * @author Nicholas C. Zakas + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const FixTracker = require("./utils/fix-tracker"); +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "semi", + url: "https://eslint.style/rules/semi", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Require or disallow semicolons instead of ASI", + recommended: false, + url: "https://eslint.org/docs/latest/rules/semi", + }, + + fixable: "code", + + schema: { + anyOf: [ + { + type: "array", + items: [ + { + enum: ["never"], + }, + { + type: "object", + properties: { + beforeStatementContinuationChars: { + enum: ["always", "any", "never"], + }, + }, + additionalProperties: false, + }, + ], + minItems: 0, + maxItems: 2, + }, + { + type: "array", + items: [ + { + enum: ["always"], + }, + { + type: "object", + properties: { + omitLastInOneLineBlock: { type: "boolean" }, + omitLastInOneLineClassBody: { type: "boolean" }, + }, + additionalProperties: false, + }, + ], + minItems: 0, + maxItems: 2, + }, + ], + }, + + messages: { + missingSemi: "Missing semicolon.", + extraSemi: "Extra semicolon.", + }, + }, + + create(context) { + const OPT_OUT_PATTERN = /^[-[(/+`]/u; // One of [(/+-` + const unsafeClassFieldNames = new Set(["get", "set", "static"]); + const unsafeClassFieldFollowers = new Set(["*", "in", "instanceof"]); + const options = context.options[1]; + const never = context.options[0] === "never"; + const exceptOneLine = Boolean( + options && options.omitLastInOneLineBlock, + ); + const exceptOneLineClassBody = Boolean( + options && options.omitLastInOneLineClassBody, + ); + const beforeStatementContinuationChars = + (options && options.beforeStatementContinuationChars) || "any"; + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Reports a semicolon error with appropriate location and message. + * @param {ASTNode} node The node with an extra or missing semicolon. + * @param {boolean} missing True if the semicolon is missing. + * @returns {void} + */ + function report(node, missing) { + const lastToken = sourceCode.getLastToken(node); + let messageId, fix, loc; + + if (!missing) { + messageId = "missingSemi"; + loc = { + start: lastToken.loc.end, + end: astUtils.getNextLocation( + sourceCode, + lastToken.loc.end, + ), + }; + fix = function (fixer) { + return fixer.insertTextAfter(lastToken, ";"); + }; + } else { + messageId = "extraSemi"; + loc = lastToken.loc; + fix = function (fixer) { + /* + * Expand the replacement range to include the surrounding + * tokens to avoid conflicting with no-extra-semi. + * https://github.com/eslint/eslint/issues/7928 + */ + return new FixTracker(fixer, sourceCode) + .retainSurroundingTokens(lastToken) + .remove(lastToken); + }; + } + + context.report({ + node, + loc, + messageId, + fix, + }); + } + + /** + * Check whether a given semicolon token is redundant. + * @param {Token} semiToken A semicolon token to check. + * @returns {boolean} `true` if the next token is `;` or `}`. + */ + function isRedundantSemi(semiToken) { + const nextToken = sourceCode.getTokenAfter(semiToken); + + return ( + !nextToken || + astUtils.isClosingBraceToken(nextToken) || + astUtils.isSemicolonToken(nextToken) + ); + } + + /** + * Check whether a given token is the closing brace of an arrow function. + * @param {Token} lastToken A token to check. + * @returns {boolean} `true` if the token is the closing brace of an arrow function. + */ + function isEndOfArrowBlock(lastToken) { + if (!astUtils.isClosingBraceToken(lastToken)) { + return false; + } + const node = sourceCode.getNodeByRangeIndex(lastToken.range[0]); + + return ( + node.type === "BlockStatement" && + node.parent.type === "ArrowFunctionExpression" + ); + } + + /** + * Checks if a given PropertyDefinition node followed by a semicolon + * can safely remove that semicolon. It is not to safe to remove if + * the class field name is "get", "set", or "static", or if + * followed by a generator method. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node cannot have the semicolon + * removed. + */ + function maybeClassFieldAsiHazard(node) { + if (node.type !== "PropertyDefinition") { + return false; + } + + /* + * Computed property names and non-identifiers are always safe + * as they can be distinguished from keywords easily. + */ + const needsNameCheck = + !node.computed && node.key.type === "Identifier"; + + /* + * Certain names are problematic unless they also have a + * a way to distinguish between keywords and property + * names. + */ + if (needsNameCheck && unsafeClassFieldNames.has(node.key.name)) { + /* + * Special case: If the field name is `static`, + * it is only valid if the field is marked as static, + * so "static static" is okay but "static" is not. + */ + const isStaticStatic = + node.static && node.key.name === "static"; + + /* + * For other unsafe names, we only care if there is no + * initializer. No initializer = hazard. + */ + if (!isStaticStatic && !node.value) { + return true; + } + } + + const followingToken = sourceCode.getTokenAfter(node); + + return unsafeClassFieldFollowers.has(followingToken.value); + } + + /** + * Check whether a given node is on the same line with the next token. + * @param {Node} node A statement node to check. + * @returns {boolean} `true` if the node is on the same line with the next token. + */ + function isOnSameLineWithNextToken(node) { + const prevToken = sourceCode.getLastToken(node, 1); + const nextToken = sourceCode.getTokenAfter(node); + + return ( + !!nextToken && astUtils.isTokenOnSameLine(prevToken, nextToken) + ); + } + + /** + * Check whether a given node can connect the next line if the next line is unreliable. + * @param {Node} node A statement node to check. + * @returns {boolean} `true` if the node can connect the next line. + */ + function maybeAsiHazardAfter(node) { + const t = node.type; + + if ( + t === "DoWhileStatement" || + t === "BreakStatement" || + t === "ContinueStatement" || + t === "DebuggerStatement" || + t === "ImportDeclaration" || + t === "ExportAllDeclaration" + ) { + return false; + } + if (t === "ReturnStatement") { + return Boolean(node.argument); + } + if (t === "ExportNamedDeclaration") { + return Boolean(node.declaration); + } + if (isEndOfArrowBlock(sourceCode.getLastToken(node, 1))) { + return false; + } + + return true; + } + + /** + * Check whether a given token can connect the previous statement. + * @param {Token} token A token to check. + * @returns {boolean} `true` if the token is one of `[`, `(`, `/`, `+`, `-`, ```, `++`, and `--`. + */ + function maybeAsiHazardBefore(token) { + return ( + Boolean(token) && + OPT_OUT_PATTERN.test(token.value) && + token.value !== "++" && + token.value !== "--" + ); + } + + /** + * Check if the semicolon of a given node is unnecessary, only true if: + * - next token is a valid statement divider (`;` or `}`). + * - next token is on a new line and the node is not connectable to the new line. + * @param {Node} node A statement node to check. + * @returns {boolean} whether the semicolon is unnecessary. + */ + function canRemoveSemicolon(node) { + if (isRedundantSemi(sourceCode.getLastToken(node))) { + return true; // `;;` or `;}` + } + if (maybeClassFieldAsiHazard(node)) { + return false; + } + if (isOnSameLineWithNextToken(node)) { + return false; // One liner. + } + + // continuation characters should not apply to class fields + if ( + node.type !== "PropertyDefinition" && + beforeStatementContinuationChars === "never" && + !maybeAsiHazardAfter(node) + ) { + return true; // ASI works. This statement doesn't connect to the next. + } + if (!maybeAsiHazardBefore(sourceCode.getTokenAfter(node))) { + return true; // ASI works. The next token doesn't connect to this statement. + } + + return false; + } + + /** + * Checks a node to see if it's the last item in a one-liner block. + * Block is any `BlockStatement` or `StaticBlock` node. Block is a one-liner if its + * braces (and consequently everything between them) are on the same line. + * @param {ASTNode} node The node to check. + * @returns {boolean} whether the node is the last item in a one-liner block. + */ + function isLastInOneLinerBlock(node) { + const parent = node.parent; + const nextToken = sourceCode.getTokenAfter(node); + + if (!nextToken || nextToken.value !== "}") { + return false; + } + + if (parent.type === "BlockStatement") { + return parent.loc.start.line === parent.loc.end.line; + } + + if (parent.type === "StaticBlock") { + const openingBrace = sourceCode.getFirstToken(parent, { + skip: 1, + }); // skip the `static` token + + return openingBrace.loc.start.line === parent.loc.end.line; + } + + return false; + } + + /** + * Checks a node to see if it's the last item in a one-liner `ClassBody` node. + * ClassBody is a one-liner if its braces (and consequently everything between them) are on the same line. + * @param {ASTNode} node The node to check. + * @returns {boolean} whether the node is the last item in a one-liner ClassBody. + */ + function isLastInOneLinerClassBody(node) { + const parent = node.parent; + const nextToken = sourceCode.getTokenAfter(node); + + if (!nextToken || nextToken.value !== "}") { + return false; + } + + if (parent.type === "ClassBody") { + return parent.loc.start.line === parent.loc.end.line; + } + + return false; + } + + /** + * Checks a node to see if it's followed by a semicolon. + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function checkForSemicolon(node) { + const isSemi = astUtils.isSemicolonToken( + sourceCode.getLastToken(node), + ); + + if (never) { + if (isSemi && canRemoveSemicolon(node)) { + report(node, true); + } else if ( + !isSemi && + beforeStatementContinuationChars === "always" && + node.type !== "PropertyDefinition" && + maybeAsiHazardBefore(sourceCode.getTokenAfter(node)) + ) { + report(node); + } + } else { + const oneLinerBlock = + exceptOneLine && isLastInOneLinerBlock(node); + const oneLinerClassBody = + exceptOneLineClassBody && isLastInOneLinerClassBody(node); + const oneLinerBlockOrClassBody = + oneLinerBlock || oneLinerClassBody; + + if (isSemi && oneLinerBlockOrClassBody) { + report(node, true); + } else if (!isSemi && !oneLinerBlockOrClassBody) { + report(node); + } + } + } + + /** + * Checks to see if there's a semicolon after a variable declaration. + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function checkForSemicolonForVariableDeclaration(node) { + const parent = node.parent; + + if ( + (parent.type !== "ForStatement" || parent.init !== node) && + (!/^For(?:In|Of)Statement/u.test(parent.type) || + parent.left !== node) + ) { + checkForSemicolon(node); + } + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + VariableDeclaration: checkForSemicolonForVariableDeclaration, + ExpressionStatement: checkForSemicolon, + ReturnStatement: checkForSemicolon, + ThrowStatement: checkForSemicolon, + DoWhileStatement: checkForSemicolon, + DebuggerStatement: checkForSemicolon, + BreakStatement: checkForSemicolon, + ContinueStatement: checkForSemicolon, + ImportDeclaration: checkForSemicolon, + ExportAllDeclaration: checkForSemicolon, + ExportNamedDeclaration(node) { + if (!node.declaration) { + checkForSemicolon(node); + } + }, + ExportDefaultDeclaration(node) { + if ( + !/(?:Class|Function)Declaration/u.test( + node.declaration.type, + ) + ) { + checkForSemicolon(node); + } + }, + PropertyDefinition: checkForSemicolon, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/sort-imports.js b/module/node_modules/eslint/lib/rules/sort-imports.js new file mode 100644 index 000000000..e97f3f05f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/sort-imports.js @@ -0,0 +1,319 @@ +/** + * @fileoverview Rule to enforce sorted `import` declarations within modules + * @author Christian Schuller + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + allowSeparatedGroups: false, + ignoreCase: false, + ignoreDeclarationSort: false, + ignoreMemberSort: false, + memberSyntaxSortOrder: ["none", "all", "multiple", "single"], + }, + ], + + docs: { + description: "Enforce sorted `import` declarations within modules", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/sort-imports", + }, + + schema: [ + { + type: "object", + properties: { + ignoreCase: { + type: "boolean", + }, + memberSyntaxSortOrder: { + type: "array", + items: { + enum: ["none", "all", "multiple", "single"], + }, + uniqueItems: true, + minItems: 4, + maxItems: 4, + }, + ignoreDeclarationSort: { + type: "boolean", + }, + ignoreMemberSort: { + type: "boolean", + }, + allowSeparatedGroups: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + fixable: "code", + + messages: { + sortImportsAlphabetically: + "Imports should be sorted alphabetically.", + sortMembersAlphabetically: + "Member '{{memberName}}' of the import declaration should be sorted alphabetically.", + unexpectedSyntaxOrder: + "Expected '{{syntaxA}}' syntax before '{{syntaxB}}' syntax.", + }, + }, + + create(context) { + const [ + { + ignoreCase, + ignoreDeclarationSort, + ignoreMemberSort, + memberSyntaxSortOrder, + allowSeparatedGroups, + }, + ] = context.options; + const sourceCode = context.sourceCode; + let previousDeclaration = null; + + /** + * Gets the used member syntax style. + * + * import "my-module.js" --> none + * import * as myModule from "my-module.js" --> all + * import {myMember} from "my-module.js" --> single + * import {foo, bar} from "my-module.js" --> multiple + * @param {ASTNode} node the ImportDeclaration node. + * @returns {string} used member parameter style, ["all", "multiple", "single"] + */ + function usedMemberSyntax(node) { + if (node.specifiers.length === 0) { + return "none"; + } + if (node.specifiers[0].type === "ImportNamespaceSpecifier") { + return "all"; + } + if (node.specifiers.length === 1) { + return "single"; + } + return "multiple"; + } + + /** + * Gets the group by member parameter index for given declaration. + * @param {ASTNode} node the ImportDeclaration node. + * @returns {number} the declaration group by member index. + */ + function getMemberParameterGroupIndex(node) { + return memberSyntaxSortOrder.indexOf(usedMemberSyntax(node)); + } + + /** + * Gets the local name of the first imported module. + * @param {ASTNode} node the ImportDeclaration node. + * @returns {?string} the local name of the first imported module. + */ + function getFirstLocalMemberName(node) { + if (node.specifiers[0]) { + return node.specifiers[0].local.name; + } + return null; + } + + /** + * Calculates number of lines between two nodes. It is assumed that the given `left` node appears before + * the given `right` node in the source code. Lines are counted from the end of the `left` node till the + * start of the `right` node. If the given nodes are on the same line, it returns `0`, same as if they were + * on two consecutive lines. + * @param {ASTNode} left node that appears before the given `right` node. + * @param {ASTNode} right node that appears after the given `left` node. + * @returns {number} number of lines between nodes. + */ + function getNumberOfLinesBetween(left, right) { + return Math.max(right.loc.start.line - left.loc.end.line - 1, 0); + } + + return { + ImportDeclaration(node) { + if (!ignoreDeclarationSort) { + if ( + previousDeclaration && + allowSeparatedGroups && + getNumberOfLinesBetween(previousDeclaration, node) > 0 + ) { + // reset declaration sort + previousDeclaration = null; + } + + if (previousDeclaration) { + const currentMemberSyntaxGroupIndex = + getMemberParameterGroupIndex(node), + previousMemberSyntaxGroupIndex = + getMemberParameterGroupIndex( + previousDeclaration, + ); + let currentLocalMemberName = + getFirstLocalMemberName(node), + previousLocalMemberName = + getFirstLocalMemberName(previousDeclaration); + + if (ignoreCase) { + previousLocalMemberName = + previousLocalMemberName && + previousLocalMemberName.toLowerCase(); + currentLocalMemberName = + currentLocalMemberName && + currentLocalMemberName.toLowerCase(); + } + + /* + * When the current declaration uses a different member syntax, + * then check if the ordering is correct. + * Otherwise, make a default string compare (like rule sort-vars to be consistent) of the first used local member name. + */ + if ( + currentMemberSyntaxGroupIndex !== + previousMemberSyntaxGroupIndex + ) { + if ( + currentMemberSyntaxGroupIndex < + previousMemberSyntaxGroupIndex + ) { + context.report({ + node, + messageId: "unexpectedSyntaxOrder", + data: { + syntaxA: + memberSyntaxSortOrder[ + currentMemberSyntaxGroupIndex + ], + syntaxB: + memberSyntaxSortOrder[ + previousMemberSyntaxGroupIndex + ], + }, + }); + } + } else { + if ( + previousLocalMemberName && + currentLocalMemberName && + currentLocalMemberName < previousLocalMemberName + ) { + context.report({ + node, + messageId: "sortImportsAlphabetically", + }); + } + } + } + + previousDeclaration = node; + } + + if (!ignoreMemberSort) { + const importSpecifiers = node.specifiers.filter( + specifier => specifier.type === "ImportSpecifier", + ); + const getSortableName = ignoreCase + ? specifier => specifier.local.name.toLowerCase() + : specifier => specifier.local.name; + const firstUnsortedIndex = importSpecifiers + .map(getSortableName) + .findIndex( + (name, index, array) => array[index - 1] > name, + ); + + if (firstUnsortedIndex !== -1) { + context.report({ + node: importSpecifiers[firstUnsortedIndex], + messageId: "sortMembersAlphabetically", + data: { + memberName: + importSpecifiers[firstUnsortedIndex].local + .name, + }, + fix(fixer) { + if ( + importSpecifiers.some( + specifier => + sourceCode.getCommentsBefore( + specifier, + ).length || + sourceCode.getCommentsAfter( + specifier, + ).length, + ) + ) { + // If there are comments in the ImportSpecifier list, don't rearrange the specifiers. + return null; + } + + return fixer.replaceTextRange( + [ + importSpecifiers[0].range[0], + importSpecifiers.at(-1).range[1], + ], + importSpecifiers + + // Clone the importSpecifiers array to avoid mutating it + .slice() + + // Sort the array into the desired order + .sort((specifierA, specifierB) => { + const aName = + getSortableName(specifierA); + const bName = + getSortableName(specifierB); + + return aName > bName ? 1 : -1; + }) + + // Build a string out of the sorted list of import specifiers and the text between the originals + .reduce( + (sourceText, specifier, index) => { + const textAfterSpecifier = + index === + importSpecifiers.length - 1 + ? "" + : sourceCode + .getText() + .slice( + importSpecifiers[ + index + ].range[1], + importSpecifiers[ + index + + 1 + ].range[0], + ); + + return ( + sourceText + + sourceCode.getText( + specifier, + ) + + textAfterSpecifier + ); + }, + "", + ), + ); + }, + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/sort-keys.js b/module/node_modules/eslint/lib/rules/sort-keys.js new file mode 100644 index 000000000..bbb2dc2b6 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/sort-keys.js @@ -0,0 +1,268 @@ +/** + * @fileoverview Rule to require object keys to be sorted + * @author Toru Nagashima + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"), + naturalCompare = require("natural-compare"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Gets the property name of the given `Property` node. + * + * - If the property's key is an `Identifier` node, this returns the key's name + * whether it's a computed property or not. + * - If the property has a static name, this returns the static name. + * - Otherwise, this returns null. + * @param {ASTNode} node The `Property` node to get. + * @returns {string|null} The property name or null. + * @private + */ +function getPropertyName(node) { + const staticName = astUtils.getStaticPropertyName(node); + + if (staticName !== null) { + return staticName; + } + + return node.key.name || null; +} + +/** + * Functions which check that the given 2 names are in specific order. + * + * Postfix `I` is meant insensitive. + * Postfix `N` is meant natural. + * @private + */ +const isValidOrders = { + asc(a, b) { + return a <= b; + }, + ascI(a, b) { + return a.toLowerCase() <= b.toLowerCase(); + }, + ascN(a, b) { + return naturalCompare(a, b) <= 0; + }, + ascIN(a, b) { + return naturalCompare(a.toLowerCase(), b.toLowerCase()) <= 0; + }, + desc(a, b) { + return isValidOrders.asc(b, a); + }, + descI(a, b) { + return isValidOrders.ascI(b, a); + }, + descN(a, b) { + return isValidOrders.ascN(b, a); + }, + descIN(a, b) { + return isValidOrders.ascIN(b, a); + }, +}; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + "asc", + { + allowLineSeparatedGroups: false, + caseSensitive: true, + ignoreComputedKeys: false, + minKeys: 2, + natural: false, + }, + ], + + docs: { + description: "Require object keys to be sorted", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/sort-keys", + }, + + schema: [ + { + enum: ["asc", "desc"], + }, + { + type: "object", + properties: { + caseSensitive: { + type: "boolean", + }, + natural: { + type: "boolean", + }, + minKeys: { + type: "integer", + minimum: 2, + }, + allowLineSeparatedGroups: { + type: "boolean", + }, + ignoreComputedKeys: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + messages: { + sortKeys: + "Expected object keys to be in {{natural}}{{insensitive}}{{order}}ending order. '{{thisName}}' should be before '{{prevName}}'.", + }, + }, + + create(context) { + const [ + order, + { + caseSensitive, + natural, + minKeys, + allowLineSeparatedGroups, + ignoreComputedKeys, + }, + ] = context.options; + const insensitive = !caseSensitive; + const isValidOrder = + isValidOrders[ + order + (insensitive ? "I" : "") + (natural ? "N" : "") + ]; + + // The stack to save the previous property's name for each object literals. + let stack = null; + const sourceCode = context.sourceCode; + + return { + ObjectExpression(node) { + stack = { + upper: stack, + prevNode: null, + prevBlankLine: false, + prevName: null, + numKeys: node.properties.length, + }; + }, + + "ObjectExpression:exit"() { + stack = stack.upper; + }, + + SpreadElement(node) { + if (node.parent.type === "ObjectExpression") { + stack.prevName = null; + } + }, + + Property(node) { + if (node.parent.type === "ObjectPattern") { + return; + } + + if (ignoreComputedKeys && node.computed) { + stack.prevName = null; // reset sort + return; + } + + const prevName = stack.prevName; + const numKeys = stack.numKeys; + const thisName = getPropertyName(node); + + // Get tokens between current node and previous node + const tokens = + stack.prevNode && + sourceCode.getTokensBetween(stack.prevNode, node, { + includeComments: true, + }); + + let isBlankLineBetweenNodes = stack.prevBlankLine; + + if (tokens) { + // check blank line between tokens + tokens.forEach((token, index) => { + const previousToken = tokens[index - 1]; + + if ( + previousToken && + token.loc.start.line - previousToken.loc.end.line > + 1 + ) { + isBlankLineBetweenNodes = true; + } + }); + + // check blank line between the current node and the last token + if ( + !isBlankLineBetweenNodes && + node.loc.start.line - tokens.at(-1).loc.end.line > 1 + ) { + isBlankLineBetweenNodes = true; + } + + // check blank line between the first token and the previous node + if ( + !isBlankLineBetweenNodes && + tokens[0].loc.start.line - stack.prevNode.loc.end.line > + 1 + ) { + isBlankLineBetweenNodes = true; + } + } + + stack.prevNode = node; + + if (thisName !== null) { + stack.prevName = thisName; + } + + if (allowLineSeparatedGroups && isBlankLineBetweenNodes) { + stack.prevBlankLine = thisName === null; + return; + } + + if ( + prevName === null || + thisName === null || + numKeys < minKeys + ) { + return; + } + + if (!isValidOrder(prevName, thisName)) { + context.report({ + node, + loc: node.key.loc, + messageId: "sortKeys", + data: { + thisName, + prevName, + order, + insensitive: insensitive ? "insensitive " : "", + natural: natural ? "natural " : "", + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/sort-vars.js b/module/node_modules/eslint/lib/rules/sort-vars.js new file mode 100644 index 000000000..34081b955 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/sort-vars.js @@ -0,0 +1,140 @@ +/** + * @fileoverview Rule to require sorting of variables within a single Variable Declaration block + * @author Ilya Volodin + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + { + ignoreCase: false, + }, + ], + + docs: { + description: + "Require variables within the same declaration block to be sorted", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/sort-vars", + }, + + schema: [ + { + type: "object", + properties: { + ignoreCase: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + fixable: "code", + + messages: { + sortVars: + "Variables within the same declaration block should be sorted alphabetically.", + }, + }, + + create(context) { + const [{ ignoreCase }] = context.options; + const sourceCode = context.sourceCode; + + return { + VariableDeclaration(node) { + const idDeclarations = node.declarations.filter( + decl => decl.id.type === "Identifier", + ); + const getSortableName = ignoreCase + ? decl => decl.id.name.toLowerCase() + : decl => decl.id.name; + const unfixable = idDeclarations.some( + decl => decl.init !== null && decl.init.type !== "Literal", + ); + let fixed = false; + + idDeclarations.slice(1).reduce((memo, decl) => { + const lastVariableName = getSortableName(memo), + currentVariableName = getSortableName(decl); + + if (currentVariableName < lastVariableName) { + context.report({ + node: decl, + messageId: "sortVars", + fix(fixer) { + if (unfixable || fixed) { + return null; + } + return fixer.replaceTextRange( + [ + idDeclarations[0].range[0], + idDeclarations.at(-1).range[1], + ], + idDeclarations + + // Clone the idDeclarations array to avoid mutating it + .slice() + + // Sort the array into the desired order + .sort((declA, declB) => { + const aName = + getSortableName(declA); + const bName = + getSortableName(declB); + + return aName > bName ? 1 : -1; + }) + + // Build a string out of the sorted list of identifier declarations and the text between the originals + .reduce( + (sourceText, identifier, index) => { + const textAfterIdentifier = + index === + idDeclarations.length - 1 + ? "" + : sourceCode + .getText() + .slice( + idDeclarations[ + index + ].range[1], + idDeclarations[ + index + + 1 + ].range[0], + ); + + return ( + sourceText + + sourceCode.getText( + identifier, + ) + + textAfterIdentifier + ); + }, + "", + ), + ); + }, + }); + fixed = true; + return memo; + } + return decl; + }, idDeclarations[0]); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/space-before-blocks.js b/module/node_modules/eslint/lib/rules/space-before-blocks.js new file mode 100644 index 000000000..0d35276a8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/space-before-blocks.js @@ -0,0 +1,232 @@ +/** + * @fileoverview A rule to ensure whitespace before blocks. + * @author Mathias Schreck + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Checks whether the given node represents the body of a function. + * @param {ASTNode} node the node to check. + * @returns {boolean} `true` if the node is function body. + */ +function isFunctionBody(node) { + const parent = node.parent; + + return ( + node.type === "BlockStatement" && + astUtils.isFunction(parent) && + parent.body === node + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "space-before-blocks", + url: "https://eslint.style/rules/space-before-blocks", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent spacing before blocks", + recommended: false, + url: "https://eslint.org/docs/latest/rules/space-before-blocks", + }, + + fixable: "whitespace", + + schema: [ + { + oneOf: [ + { + enum: ["always", "never"], + }, + { + type: "object", + properties: { + keywords: { + enum: ["always", "never", "off"], + }, + functions: { + enum: ["always", "never", "off"], + }, + classes: { + enum: ["always", "never", "off"], + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + unexpectedSpace: "Unexpected space before opening brace.", + missingSpace: "Missing space before opening brace.", + }, + }, + + create(context) { + const config = context.options[0], + sourceCode = context.sourceCode; + let alwaysFunctions = true, + alwaysKeywords = true, + alwaysClasses = true, + neverFunctions = false, + neverKeywords = false, + neverClasses = false; + + if (typeof config === "object") { + alwaysFunctions = config.functions === "always"; + alwaysKeywords = config.keywords === "always"; + alwaysClasses = config.classes === "always"; + neverFunctions = config.functions === "never"; + neverKeywords = config.keywords === "never"; + neverClasses = config.classes === "never"; + } else if (config === "never") { + alwaysFunctions = false; + alwaysKeywords = false; + alwaysClasses = false; + neverFunctions = true; + neverKeywords = true; + neverClasses = true; + } + + /** + * Checks whether the spacing before the given block is already controlled by another rule: + * - `arrow-spacing` checks spaces after `=>`. + * - `keyword-spacing` checks spaces after keywords in certain contexts. + * - `switch-colon-spacing` checks spaces after `:` of switch cases. + * @param {Token} precedingToken first token before the block. + * @param {ASTNode|Token} node `BlockStatement` node or `{` token of a `SwitchStatement` node. + * @returns {boolean} `true` if requiring or disallowing spaces before the given block could produce conflicts with other rules. + */ + function isConflicted(precedingToken, node) { + return ( + astUtils.isArrowToken(precedingToken) || + (astUtils.isKeywordToken(precedingToken) && + !isFunctionBody(node)) || + (astUtils.isColonToken(precedingToken) && + node.parent && + node.parent.type === "SwitchCase" && + precedingToken === + astUtils.getSwitchCaseColonToken( + node.parent, + sourceCode, + )) + ); + } + + /** + * Checks the given BlockStatement node has a preceding space if it doesn’t start on a new line. + * @param {ASTNode|Token} node The AST node of a BlockStatement. + * @returns {void} undefined. + */ + function checkPrecedingSpace(node) { + const precedingToken = sourceCode.getTokenBefore(node); + + if ( + precedingToken && + !isConflicted(precedingToken, node) && + astUtils.isTokenOnSameLine(precedingToken, node) + ) { + const hasSpace = sourceCode.isSpaceBetweenTokens( + precedingToken, + node, + ); + let requireSpace; + let requireNoSpace; + + if (isFunctionBody(node)) { + requireSpace = alwaysFunctions; + requireNoSpace = neverFunctions; + } else if (node.type === "ClassBody") { + requireSpace = alwaysClasses; + requireNoSpace = neverClasses; + } else { + requireSpace = alwaysKeywords; + requireNoSpace = neverKeywords; + } + + if (requireSpace && !hasSpace) { + context.report({ + node, + messageId: "missingSpace", + fix(fixer) { + return fixer.insertTextBefore(node, " "); + }, + }); + } else if (requireNoSpace && hasSpace) { + context.report({ + node, + messageId: "unexpectedSpace", + fix(fixer) { + return fixer.removeRange([ + precedingToken.range[1], + node.range[0], + ]); + }, + }); + } + } + } + + /** + * Checks if the CaseBlock of an given SwitchStatement node has a preceding space. + * @param {ASTNode} node The node of a SwitchStatement. + * @returns {void} undefined. + */ + function checkSpaceBeforeCaseBlock(node) { + const cases = node.cases; + let openingBrace; + + if (cases.length > 0) { + openingBrace = sourceCode.getTokenBefore(cases[0]); + } else { + openingBrace = sourceCode.getLastToken(node, 1); + } + + checkPrecedingSpace(openingBrace); + } + + return { + BlockStatement: checkPrecedingSpace, + ClassBody: checkPrecedingSpace, + SwitchStatement: checkSpaceBeforeCaseBlock, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/space-before-function-paren.js b/module/node_modules/eslint/lib/rules/space-before-function-paren.js new file mode 100644 index 000000000..dad6fde8f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/space-before-function-paren.js @@ -0,0 +1,205 @@ +/** + * @fileoverview Rule to validate spacing before function paren. + * @author Mathias Schreck + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "space-before-function-paren", + url: "https://eslint.style/rules/space-before-function-paren", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce consistent spacing before `function` definition opening parenthesis", + recommended: false, + url: "https://eslint.org/docs/latest/rules/space-before-function-paren", + }, + + fixable: "whitespace", + + schema: [ + { + oneOf: [ + { + enum: ["always", "never"], + }, + { + type: "object", + properties: { + anonymous: { + enum: ["always", "never", "ignore"], + }, + named: { + enum: ["always", "never", "ignore"], + }, + asyncArrow: { + enum: ["always", "never", "ignore"], + }, + }, + additionalProperties: false, + }, + ], + }, + ], + + messages: { + unexpectedSpace: "Unexpected space before function parentheses.", + missingSpace: "Missing space before function parentheses.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const baseConfig = + typeof context.options[0] === "string" + ? context.options[0] + : "always"; + const overrideConfig = + typeof context.options[0] === "object" ? context.options[0] : {}; + + /** + * Determines whether a function has a name. + * @param {ASTNode} node The function node. + * @returns {boolean} Whether the function has a name. + */ + function isNamedFunction(node) { + if (node.id) { + return true; + } + + const parent = node.parent; + + return ( + parent.type === "MethodDefinition" || + (parent.type === "Property" && + (parent.kind === "get" || + parent.kind === "set" || + parent.method)) + ); + } + + /** + * Gets the config for a given function + * @param {ASTNode} node The function node + * @returns {string} "always", "never", or "ignore" + */ + function getConfigForFunction(node) { + if (node.type === "ArrowFunctionExpression") { + // Always ignore non-async functions and arrow functions without parens, e.g. async foo => bar + if ( + node.async && + astUtils.isOpeningParenToken( + sourceCode.getFirstToken(node, { skip: 1 }), + ) + ) { + return overrideConfig.asyncArrow || baseConfig; + } + } else if (isNamedFunction(node)) { + return overrideConfig.named || baseConfig; + + // `generator-star-spacing` should warn anonymous generators. E.g. `function* () {}` + } else if (!node.generator) { + return overrideConfig.anonymous || baseConfig; + } + + return "ignore"; + } + + /** + * Checks the parens of a function node + * @param {ASTNode} node A function node + * @returns {void} + */ + function checkFunction(node) { + const functionConfig = getConfigForFunction(node); + + if (functionConfig === "ignore") { + return; + } + + const rightToken = sourceCode.getFirstToken( + node, + astUtils.isOpeningParenToken, + ); + const leftToken = sourceCode.getTokenBefore(rightToken); + const hasSpacing = sourceCode.isSpaceBetweenTokens( + leftToken, + rightToken, + ); + + if (hasSpacing && functionConfig === "never") { + context.report({ + node, + loc: { + start: leftToken.loc.end, + end: rightToken.loc.start, + }, + messageId: "unexpectedSpace", + fix(fixer) { + const comments = + sourceCode.getCommentsBefore(rightToken); + + // Don't fix anything if there's a single line comment between the left and the right token + if (comments.some(comment => comment.type === "Line")) { + return null; + } + return fixer.replaceTextRange( + [leftToken.range[1], rightToken.range[0]], + comments.reduce( + (text, comment) => + text + sourceCode.getText(comment), + "", + ), + ); + }, + }); + } else if (!hasSpacing && functionConfig === "always") { + context.report({ + node, + loc: rightToken.loc, + messageId: "missingSpace", + fix: fixer => fixer.insertTextAfter(leftToken, " "), + }); + } + } + + return { + ArrowFunctionExpression: checkFunction, + FunctionDeclaration: checkFunction, + FunctionExpression: checkFunction, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/space-in-parens.js b/module/node_modules/eslint/lib/rules/space-in-parens.js new file mode 100644 index 000000000..623bb381f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/space-in-parens.js @@ -0,0 +1,374 @@ +/** + * @fileoverview Disallows or enforces spaces inside of parentheses. + * @author Jonathan Rajavuori + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "space-in-parens", + url: "https://eslint.style/rules/space-in-parens", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce consistent spacing inside parentheses", + recommended: false, + url: "https://eslint.org/docs/latest/rules/space-in-parens", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["always", "never"], + }, + { + type: "object", + properties: { + exceptions: { + type: "array", + items: { + enum: ["{}", "[]", "()", "empty"], + }, + uniqueItems: true, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + missingOpeningSpace: "There must be a space after this paren.", + missingClosingSpace: "There must be a space before this paren.", + rejectedOpeningSpace: "There should be no space after this paren.", + rejectedClosingSpace: "There should be no space before this paren.", + }, + }, + + create(context) { + const ALWAYS = context.options[0] === "always", + exceptionsArrayOptions = + (context.options[1] && context.options[1].exceptions) || [], + options = {}; + + let exceptions; + + if (exceptionsArrayOptions.length) { + options.braceException = exceptionsArrayOptions.includes("{}"); + options.bracketException = exceptionsArrayOptions.includes("[]"); + options.parenException = exceptionsArrayOptions.includes("()"); + options.empty = exceptionsArrayOptions.includes("empty"); + } + + /** + * Produces an object with the opener and closer exception values + * @returns {Object} `openers` and `closers` exception values + * @private + */ + function getExceptions() { + const openers = [], + closers = []; + + if (options.braceException) { + openers.push("{"); + closers.push("}"); + } + + if (options.bracketException) { + openers.push("["); + closers.push("]"); + } + + if (options.parenException) { + openers.push("("); + closers.push(")"); + } + + if (options.empty) { + openers.push(")"); + closers.push("("); + } + + return { + openers, + closers, + }; + } + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + const sourceCode = context.sourceCode; + + /** + * Determines if a token is one of the exceptions for the opener paren + * @param {Object} token The token to check + * @returns {boolean} True if the token is one of the exceptions for the opener paren + */ + function isOpenerException(token) { + return exceptions.openers.includes(token.value); + } + + /** + * Determines if a token is one of the exceptions for the closer paren + * @param {Object} token The token to check + * @returns {boolean} True if the token is one of the exceptions for the closer paren + */ + function isCloserException(token) { + return exceptions.closers.includes(token.value); + } + + /** + * Determines if an opening paren is immediately followed by a required space + * @param {Object} openingParenToken The paren token + * @param {Object} tokenAfterOpeningParen The token after it + * @returns {boolean} True if the opening paren is missing a required space + */ + function openerMissingSpace(openingParenToken, tokenAfterOpeningParen) { + if ( + sourceCode.isSpaceBetweenTokens( + openingParenToken, + tokenAfterOpeningParen, + ) + ) { + return false; + } + + if ( + !options.empty && + astUtils.isClosingParenToken(tokenAfterOpeningParen) + ) { + return false; + } + + if (ALWAYS) { + return !isOpenerException(tokenAfterOpeningParen); + } + return isOpenerException(tokenAfterOpeningParen); + } + + /** + * Determines if an opening paren is immediately followed by a disallowed space + * @param {Object} openingParenToken The paren token + * @param {Object} tokenAfterOpeningParen The token after it + * @returns {boolean} True if the opening paren has a disallowed space + */ + function openerRejectsSpace(openingParenToken, tokenAfterOpeningParen) { + if ( + !astUtils.isTokenOnSameLine( + openingParenToken, + tokenAfterOpeningParen, + ) + ) { + return false; + } + + if (tokenAfterOpeningParen.type === "Line") { + return false; + } + + if ( + !sourceCode.isSpaceBetweenTokens( + openingParenToken, + tokenAfterOpeningParen, + ) + ) { + return false; + } + + if (ALWAYS) { + return isOpenerException(tokenAfterOpeningParen); + } + return !isOpenerException(tokenAfterOpeningParen); + } + + /** + * Determines if a closing paren is immediately preceded by a required space + * @param {Object} tokenBeforeClosingParen The token before the paren + * @param {Object} closingParenToken The paren token + * @returns {boolean} True if the closing paren is missing a required space + */ + function closerMissingSpace( + tokenBeforeClosingParen, + closingParenToken, + ) { + if ( + sourceCode.isSpaceBetweenTokens( + tokenBeforeClosingParen, + closingParenToken, + ) + ) { + return false; + } + + if ( + !options.empty && + astUtils.isOpeningParenToken(tokenBeforeClosingParen) + ) { + return false; + } + + if (ALWAYS) { + return !isCloserException(tokenBeforeClosingParen); + } + return isCloserException(tokenBeforeClosingParen); + } + + /** + * Determines if a closer paren is immediately preceded by a disallowed space + * @param {Object} tokenBeforeClosingParen The token before the paren + * @param {Object} closingParenToken The paren token + * @returns {boolean} True if the closing paren has a disallowed space + */ + function closerRejectsSpace( + tokenBeforeClosingParen, + closingParenToken, + ) { + if ( + !astUtils.isTokenOnSameLine( + tokenBeforeClosingParen, + closingParenToken, + ) + ) { + return false; + } + + if ( + !sourceCode.isSpaceBetweenTokens( + tokenBeforeClosingParen, + closingParenToken, + ) + ) { + return false; + } + + if (ALWAYS) { + return isCloserException(tokenBeforeClosingParen); + } + return !isCloserException(tokenBeforeClosingParen); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program: function checkParenSpaces(node) { + exceptions = getExceptions(); + const tokens = sourceCode.tokensAndComments; + + tokens.forEach((token, i) => { + const prevToken = tokens[i - 1]; + const nextToken = tokens[i + 1]; + + // if token is not an opening or closing paren token, do nothing + if ( + !astUtils.isOpeningParenToken(token) && + !astUtils.isClosingParenToken(token) + ) { + return; + } + + // if token is an opening paren and is not followed by a required space + if ( + token.value === "(" && + openerMissingSpace(token, nextToken) + ) { + context.report({ + node, + loc: token.loc, + messageId: "missingOpeningSpace", + fix(fixer) { + return fixer.insertTextAfter(token, " "); + }, + }); + } + + // if token is an opening paren and is followed by a disallowed space + if ( + token.value === "(" && + openerRejectsSpace(token, nextToken) + ) { + context.report({ + node, + loc: { + start: token.loc.end, + end: nextToken.loc.start, + }, + messageId: "rejectedOpeningSpace", + fix(fixer) { + return fixer.removeRange([ + token.range[1], + nextToken.range[0], + ]); + }, + }); + } + + // if token is a closing paren and is not preceded by a required space + if ( + token.value === ")" && + closerMissingSpace(prevToken, token) + ) { + context.report({ + node, + loc: token.loc, + messageId: "missingClosingSpace", + fix(fixer) { + return fixer.insertTextBefore(token, " "); + }, + }); + } + + // if token is a closing paren and is preceded by a disallowed space + if ( + token.value === ")" && + closerRejectsSpace(prevToken, token) + ) { + context.report({ + node, + loc: { + start: prevToken.loc.end, + end: token.loc.start, + }, + messageId: "rejectedClosingSpace", + fix(fixer) { + return fixer.removeRange([ + prevToken.range[1], + token.range[0], + ]); + }, + }); + } + }); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/space-infix-ops.js b/module/node_modules/eslint/lib/rules/space-infix-ops.js new file mode 100644 index 000000000..825ba05a4 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/space-infix-ops.js @@ -0,0 +1,252 @@ +/** + * @fileoverview Require spaces around infix operators + * @author Michael Ficarra + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +const { isEqToken } = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "space-infix-ops", + url: "https://eslint.style/rules/space-infix-ops", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Require spacing around infix operators", + recommended: false, + url: "https://eslint.org/docs/latest/rules/space-infix-ops", + }, + + fixable: "whitespace", + + schema: [ + { + type: "object", + properties: { + int32Hint: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + missingSpace: "Operator '{{operator}}' must be spaced.", + }, + }, + + create(context) { + const int32Hint = context.options[0] + ? context.options[0].int32Hint === true + : false; + const sourceCode = context.sourceCode; + + /** + * Returns the first token which violates the rule + * @param {ASTNode} left The left node of the main node + * @param {ASTNode} right The right node of the main node + * @param {string} op The operator of the main node + * @returns {Object} The violator token or null + * @private + */ + function getFirstNonSpacedToken(left, right, op) { + const operator = sourceCode.getFirstTokenBetween( + left, + right, + token => token.value === op, + ); + const prev = sourceCode.getTokenBefore(operator); + const next = sourceCode.getTokenAfter(operator); + + if ( + !sourceCode.isSpaceBetweenTokens(prev, operator) || + !sourceCode.isSpaceBetweenTokens(operator, next) + ) { + return operator; + } + + return null; + } + + /** + * Reports an AST node as a rule violation + * @param {ASTNode} mainNode The node to report + * @param {Object} culpritToken The token which has a problem + * @returns {void} + * @private + */ + function report(mainNode, culpritToken) { + context.report({ + node: mainNode, + loc: culpritToken.loc, + messageId: "missingSpace", + data: { + operator: culpritToken.value, + }, + fix(fixer) { + const previousToken = + sourceCode.getTokenBefore(culpritToken); + const afterToken = sourceCode.getTokenAfter(culpritToken); + let fixString = ""; + + if (culpritToken.range[0] - previousToken.range[1] === 0) { + fixString = " "; + } + + fixString += culpritToken.value; + + if (afterToken.range[0] - culpritToken.range[1] === 0) { + fixString += " "; + } + + return fixer.replaceText(culpritToken, fixString); + }, + }); + } + + /** + * Check if the node is binary then report + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkBinary(node) { + const leftNode = node.left.typeAnnotation + ? node.left.typeAnnotation + : node.left; + const rightNode = node.right; + + // search for = in AssignmentPattern nodes + const operator = node.operator || "="; + + const nonSpacedNode = getFirstNonSpacedToken( + leftNode, + rightNode, + operator, + ); + + if (nonSpacedNode) { + if (!(int32Hint && sourceCode.getText(node).endsWith("|0"))) { + report(node, nonSpacedNode); + } + } + } + + /** + * Check if the node is conditional + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkConditional(node) { + const nonSpacedConsequentNode = getFirstNonSpacedToken( + node.test, + node.consequent, + "?", + ); + const nonSpacedAlternateNode = getFirstNonSpacedToken( + node.consequent, + node.alternate, + ":", + ); + + if (nonSpacedConsequentNode) { + report(node, nonSpacedConsequentNode); + } + + if (nonSpacedAlternateNode) { + report(node, nonSpacedAlternateNode); + } + } + + /** + * Check if the node is a variable + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkVar(node) { + const leftNode = node.id.typeAnnotation + ? node.id.typeAnnotation + : node.id; + const rightNode = node.init; + + if (rightNode) { + const nonSpacedNode = getFirstNonSpacedToken( + leftNode, + rightNode, + "=", + ); + + if (nonSpacedNode) { + report(node, nonSpacedNode); + } + } + } + + return { + AssignmentExpression: checkBinary, + AssignmentPattern: checkBinary, + BinaryExpression: checkBinary, + LogicalExpression: checkBinary, + ConditionalExpression: checkConditional, + VariableDeclarator: checkVar, + + PropertyDefinition(node) { + if (!node.value) { + return; + } + + /* + * Because of computed properties and type annotations, some + * tokens may exist between `node.key` and `=`. + * Therefore, find the `=` from the right. + */ + const operatorToken = sourceCode.getTokenBefore( + node.value, + isEqToken, + ); + const leftToken = sourceCode.getTokenBefore(operatorToken); + const rightToken = sourceCode.getTokenAfter(operatorToken); + + if ( + !sourceCode.isSpaceBetweenTokens( + leftToken, + operatorToken, + ) || + !sourceCode.isSpaceBetweenTokens(operatorToken, rightToken) + ) { + report(node, operatorToken); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/space-unary-ops.js b/module/node_modules/eslint/lib/rules/space-unary-ops.js new file mode 100644 index 000000000..ee5871474 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/space-unary-ops.js @@ -0,0 +1,400 @@ +/** + * @fileoverview This rule should require or disallow spaces before or after unary operations. + * @author Marcin Kumorek + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "space-unary-ops", + url: "https://eslint.style/rules/space-unary-ops", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Enforce consistent spacing before or after unary operators", + recommended: false, + url: "https://eslint.org/docs/latest/rules/space-unary-ops", + }, + + fixable: "whitespace", + + schema: [ + { + type: "object", + properties: { + words: { + type: "boolean", + default: true, + }, + nonwords: { + type: "boolean", + default: false, + }, + overrides: { + type: "object", + additionalProperties: { + type: "boolean", + }, + }, + }, + additionalProperties: false, + }, + ], + messages: { + unexpectedBefore: + "Unexpected space before unary operator '{{operator}}'.", + unexpectedAfter: + "Unexpected space after unary operator '{{operator}}'.", + unexpectedAfterWord: + "Unexpected space after unary word operator '{{word}}'.", + wordOperator: + "Unary word operator '{{word}}' must be followed by whitespace.", + operator: + "Unary operator '{{operator}}' must be followed by whitespace.", + beforeUnaryExpressions: + "Space is required before unary expressions '{{token}}'.", + }, + }, + + create(context) { + const options = context.options[0] || { words: true, nonwords: false }; + + const sourceCode = context.sourceCode; + + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Check if the node is the first "!" in a "!!" convert to Boolean expression + * @param {ASTnode} node AST node + * @returns {boolean} Whether or not the node is first "!" in "!!" + */ + function isFirstBangInBangBangExpression(node) { + return ( + node && + node.type === "UnaryExpression" && + node.argument.operator === "!" && + node.argument && + node.argument.type === "UnaryExpression" && + node.argument.operator === "!" + ); + } + + /** + * Checks if an override exists for a given operator. + * @param {string} operator Operator + * @returns {boolean} Whether or not an override has been provided for the operator + */ + function overrideExistsForOperator(operator) { + return ( + options.overrides && Object.hasOwn(options.overrides, operator) + ); + } + + /** + * Gets the value that the override was set to for this operator + * @param {string} operator Operator + * @returns {boolean} Whether or not an override enforces a space with this operator + */ + function overrideEnforcesSpaces(operator) { + return options.overrides[operator]; + } + + /** + * Verify Unary Word Operator has spaces after the word operator + * @param {ASTnode} node AST node + * @param {Object} firstToken first token from the AST node + * @param {Object} secondToken second token from the AST node + * @param {string} word The word to be used for reporting + * @returns {void} + */ + function verifyWordHasSpaces(node, firstToken, secondToken, word) { + if (secondToken.range[0] === firstToken.range[1]) { + context.report({ + node, + messageId: "wordOperator", + data: { + word, + }, + fix(fixer) { + return fixer.insertTextAfter(firstToken, " "); + }, + }); + } + } + + /** + * Verify Unary Word Operator doesn't have spaces after the word operator + * @param {ASTnode} node AST node + * @param {Object} firstToken first token from the AST node + * @param {Object} secondToken second token from the AST node + * @param {string} word The word to be used for reporting + * @returns {void} + */ + function verifyWordDoesntHaveSpaces( + node, + firstToken, + secondToken, + word, + ) { + if (astUtils.canTokensBeAdjacent(firstToken, secondToken)) { + if (secondToken.range[0] > firstToken.range[1]) { + context.report({ + node, + messageId: "unexpectedAfterWord", + data: { + word, + }, + fix(fixer) { + return fixer.removeRange([ + firstToken.range[1], + secondToken.range[0], + ]); + }, + }); + } + } + } + + /** + * Check Unary Word Operators for spaces after the word operator + * @param {ASTnode} node AST node + * @param {Object} firstToken first token from the AST node + * @param {Object} secondToken second token from the AST node + * @param {string} word The word to be used for reporting + * @returns {void} + */ + function checkUnaryWordOperatorForSpaces( + node, + firstToken, + secondToken, + word, + ) { + if (overrideExistsForOperator(word)) { + if (overrideEnforcesSpaces(word)) { + verifyWordHasSpaces(node, firstToken, secondToken, word); + } else { + verifyWordDoesntHaveSpaces( + node, + firstToken, + secondToken, + word, + ); + } + } else if (options.words) { + verifyWordHasSpaces(node, firstToken, secondToken, word); + } else { + verifyWordDoesntHaveSpaces(node, firstToken, secondToken, word); + } + } + + /** + * Verifies YieldExpressions satisfy spacing requirements + * @param {ASTnode} node AST node + * @returns {void} + */ + function checkForSpacesAfterYield(node) { + const tokens = sourceCode.getFirstTokens(node, 3), + word = "yield"; + + if (!node.argument || node.delegate) { + return; + } + + checkUnaryWordOperatorForSpaces(node, tokens[0], tokens[1], word); + } + + /** + * Verifies AwaitExpressions satisfy spacing requirements + * @param {ASTNode} node AwaitExpression AST node + * @returns {void} + */ + function checkForSpacesAfterAwait(node) { + const tokens = sourceCode.getFirstTokens(node, 3); + + checkUnaryWordOperatorForSpaces( + node, + tokens[0], + tokens[1], + "await", + ); + } + + /** + * Verifies UnaryExpression, UpdateExpression and NewExpression have spaces before or after the operator + * @param {ASTnode} node AST node + * @param {Object} firstToken First token in the expression + * @param {Object} secondToken Second token in the expression + * @returns {void} + */ + function verifyNonWordsHaveSpaces(node, firstToken, secondToken) { + if (node.prefix) { + if (isFirstBangInBangBangExpression(node)) { + return; + } + if (firstToken.range[1] === secondToken.range[0]) { + context.report({ + node, + messageId: "operator", + data: { + operator: firstToken.value, + }, + fix(fixer) { + return fixer.insertTextAfter(firstToken, " "); + }, + }); + } + } else { + if (firstToken.range[1] === secondToken.range[0]) { + context.report({ + node, + messageId: "beforeUnaryExpressions", + data: { + token: secondToken.value, + }, + fix(fixer) { + return fixer.insertTextBefore(secondToken, " "); + }, + }); + } + } + } + + /** + * Verifies UnaryExpression, UpdateExpression and NewExpression don't have spaces before or after the operator + * @param {ASTnode} node AST node + * @param {Object} firstToken First token in the expression + * @param {Object} secondToken Second token in the expression + * @returns {void} + */ + function verifyNonWordsDontHaveSpaces(node, firstToken, secondToken) { + if (node.prefix) { + if (secondToken.range[0] > firstToken.range[1]) { + context.report({ + node, + messageId: "unexpectedAfter", + data: { + operator: firstToken.value, + }, + fix(fixer) { + if ( + astUtils.canTokensBeAdjacent( + firstToken, + secondToken, + ) + ) { + return fixer.removeRange([ + firstToken.range[1], + secondToken.range[0], + ]); + } + return null; + }, + }); + } + } else { + if (secondToken.range[0] > firstToken.range[1]) { + context.report({ + node, + messageId: "unexpectedBefore", + data: { + operator: secondToken.value, + }, + fix(fixer) { + return fixer.removeRange([ + firstToken.range[1], + secondToken.range[0], + ]); + }, + }); + } + } + } + + /** + * Verifies UnaryExpression, UpdateExpression and NewExpression satisfy spacing requirements + * @param {ASTnode} node AST node + * @returns {void} + */ + function checkForSpaces(node) { + const tokens = + node.type === "UpdateExpression" && !node.prefix + ? sourceCode.getLastTokens(node, 2) + : sourceCode.getFirstTokens(node, 2); + const firstToken = tokens[0]; + const secondToken = tokens[1]; + + if ( + (node.type === "NewExpression" || node.prefix) && + firstToken.type === "Keyword" + ) { + checkUnaryWordOperatorForSpaces( + node, + firstToken, + secondToken, + firstToken.value, + ); + return; + } + + const operator = node.prefix ? tokens[0].value : tokens[1].value; + + if (overrideExistsForOperator(operator)) { + if (overrideEnforcesSpaces(operator)) { + verifyNonWordsHaveSpaces(node, firstToken, secondToken); + } else { + verifyNonWordsDontHaveSpaces(node, firstToken, secondToken); + } + } else if (options.nonwords) { + verifyNonWordsHaveSpaces(node, firstToken, secondToken); + } else { + verifyNonWordsDontHaveSpaces(node, firstToken, secondToken); + } + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + UnaryExpression: checkForSpaces, + UpdateExpression: checkForSpaces, + NewExpression: checkForSpaces, + YieldExpression: checkForSpacesAfterYield, + AwaitExpression: checkForSpacesAfterAwait, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/spaced-comment.js b/module/node_modules/eslint/lib/rules/spaced-comment.js new file mode 100644 index 000000000..cb2a97822 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/spaced-comment.js @@ -0,0 +1,447 @@ +/** + * @fileoverview Source code for spaced-comments rule + * @author Gyandeep Singh + * @deprecated in ESLint v8.53.0 + */ +"use strict"; + +const escapeRegExp = require("escape-string-regexp"); +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Escapes the control characters of a given string. + * @param {string} s A string to escape. + * @returns {string} An escaped string. + */ +function escape(s) { + return `(?:${escapeRegExp(s)})`; +} + +/** + * Escapes the control characters of a given string. + * And adds a repeat flag. + * @param {string} s A string to escape. + * @returns {string} An escaped string. + */ +function escapeAndRepeat(s) { + return `${escape(s)}+`; +} + +/** + * Parses `markers` option. + * If markers don't include `"*"`, this adds `"*"` to allow JSDoc comments. + * @param {string[]} [markers] A marker list. + * @returns {string[]} A marker list. + */ +function parseMarkersOption(markers) { + // `*` is a marker for JSDoc comments. + if (!markers.includes("*")) { + return markers.concat("*"); + } + + return markers; +} + +/** + * Creates string pattern for exceptions. + * Generated pattern: + * + * 1. A space or an exception pattern sequence. + * @param {string[]} exceptions An exception pattern list. + * @returns {string} A regular expression string for exceptions. + */ +function createExceptionsPattern(exceptions) { + let pattern = ""; + + /* + * A space or an exception pattern sequence. + * [] ==> "\s" + * ["-"] ==> "(?:\s|\-+$)" + * ["-", "="] ==> "(?:\s|(?:\-+|=+)$)" + * ["-", "=", "--=="] ==> "(?:\s|(?:\-+|=+|(?:\-\-==)+)$)" ==> https://jex.im/regulex/#!embed=false&flags=&re=(%3F%3A%5Cs%7C(%3F%3A%5C-%2B%7C%3D%2B%7C(%3F%3A%5C-%5C-%3D%3D)%2B)%24) + */ + if (exceptions.length === 0) { + // a space. + pattern += "\\s"; + } else { + // a space or... + pattern += "(?:\\s|"; + + if (exceptions.length === 1) { + // a sequence of the exception pattern. + pattern += escapeAndRepeat(exceptions[0]); + } else { + // a sequence of one of the exception patterns. + pattern += "(?:"; + pattern += exceptions.map(escapeAndRepeat).join("|"); + pattern += ")"; + } + pattern += `(?:$|[${Array.from(astUtils.LINEBREAKS).join("")}]))`; + } + + return pattern; +} + +/** + * Creates RegExp object for `always` mode. + * Generated pattern for beginning of comment: + * + * 1. First, a marker or nothing. + * 2. Next, a space or an exception pattern sequence. + * @param {string[]} markers A marker list. + * @param {string[]} exceptions An exception pattern list. + * @returns {RegExp} A RegExp object for the beginning of a comment in `always` mode. + */ +function createAlwaysStylePattern(markers, exceptions) { + let pattern = "^"; + + /* + * A marker or nothing. + * ["*"] ==> "\*?" + * ["*", "!"] ==> "(?:\*|!)?" + * ["*", "/", "!<"] ==> "(?:\*|\/|(?:!<))?" ==> https://jex.im/regulex/#!embed=false&flags=&re=(%3F%3A%5C*%7C%5C%2F%7C(%3F%3A!%3C))%3F + */ + if (markers.length === 1) { + // the marker. + pattern += escape(markers[0]); + } else { + // one of markers. + pattern += "(?:"; + pattern += markers.map(escape).join("|"); + pattern += ")"; + } + + pattern += "?"; // or nothing. + pattern += createExceptionsPattern(exceptions); + + return new RegExp(pattern, "u"); +} + +/** + * Creates RegExp object for `never` mode. + * Generated pattern for beginning of comment: + * + * 1. First, a marker or nothing (captured). + * 2. Next, a space or a tab. + * @param {string[]} markers A marker list. + * @returns {RegExp} A RegExp object for `never` mode. + */ +function createNeverStylePattern(markers) { + const pattern = `^(${markers.map(escape).join("|")})?[ \t]+`; + + return new RegExp(pattern, "u"); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "spaced-comment", + url: "https://eslint.style/rules/spaced-comment", + }, + }, + ], + }, + type: "suggestion", + + docs: { + description: + "Enforce consistent spacing after the `//` or `/*` in a comment", + recommended: false, + url: "https://eslint.org/docs/latest/rules/spaced-comment", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["always", "never"], + }, + { + type: "object", + properties: { + exceptions: { + type: "array", + items: { + type: "string", + }, + }, + markers: { + type: "array", + items: { + type: "string", + }, + }, + line: { + type: "object", + properties: { + exceptions: { + type: "array", + items: { + type: "string", + }, + }, + markers: { + type: "array", + items: { + type: "string", + }, + }, + }, + additionalProperties: false, + }, + block: { + type: "object", + properties: { + exceptions: { + type: "array", + items: { + type: "string", + }, + }, + markers: { + type: "array", + items: { + type: "string", + }, + }, + balanced: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + }, + additionalProperties: false, + }, + ], + + messages: { + unexpectedSpaceAfterMarker: + "Unexpected space or tab after marker ({{refChar}}) in comment.", + expectedExceptionAfter: + "Expected exception block, space or tab after '{{refChar}}' in comment.", + unexpectedSpaceBefore: + "Unexpected space or tab before '*/' in comment.", + unexpectedSpaceAfter: + "Unexpected space or tab after '{{refChar}}' in comment.", + expectedSpaceBefore: + "Expected space or tab before '*/' in comment.", + expectedSpaceAfter: + "Expected space or tab after '{{refChar}}' in comment.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + // Unless the first option is never, require a space + const requireSpace = context.options[0] !== "never"; + + /* + * Parse the second options. + * If markers don't include `"*"`, it's added automatically for JSDoc + * comments. + */ + const config = context.options[1] || {}; + const balanced = config.block && config.block.balanced; + + const styleRules = ["block", "line"].reduce((rule, type) => { + const markers = parseMarkersOption( + (config[type] && config[type].markers) || config.markers || [], + ); + const exceptions = + (config[type] && config[type].exceptions) || + config.exceptions || + []; + const endNeverPattern = "[ \t]+$"; + + // Create RegExp object for valid patterns. + rule[type] = { + beginRegex: requireSpace + ? createAlwaysStylePattern(markers, exceptions) + : createNeverStylePattern(markers), + endRegex: + balanced && requireSpace + ? new RegExp( + `${createExceptionsPattern(exceptions)}$`, + "u", + ) + : new RegExp(endNeverPattern, "u"), + hasExceptions: exceptions.length > 0, + captureMarker: new RegExp( + `^(${markers.map(escape).join("|")})`, + "u", + ), + markers: new Set(markers), + }; + + return rule; + }, {}); + + /** + * Reports a beginning spacing error with an appropriate message. + * @param {ASTNode} node A comment node to check. + * @param {string} messageId An error message to report. + * @param {Array} match An array of match results for markers. + * @param {string} refChar Character used for reference in the error message. + * @returns {void} + */ + function reportBegin(node, messageId, match, refChar) { + const type = node.type.toLowerCase(), + commentIdentifier = type === "block" ? "/*" : "//"; + + context.report({ + node, + fix(fixer) { + const start = node.range[0]; + let end = start + 2; + + if (requireSpace) { + if (match) { + end += match[0].length; + } + return fixer.insertTextAfterRange([start, end], " "); + } + end += match[0].length; + return fixer.replaceTextRange( + [start, end], + commentIdentifier + (match[1] ? match[1] : ""), + ); + }, + messageId, + data: { refChar }, + }); + } + + /** + * Reports an ending spacing error with an appropriate message. + * @param {ASTNode} node A comment node to check. + * @param {string} messageId An error message to report. + * @param {string} match An array of the matched whitespace characters. + * @returns {void} + */ + function reportEnd(node, messageId, match) { + context.report({ + node, + fix(fixer) { + if (requireSpace) { + return fixer.insertTextAfterRange( + [node.range[0], node.range[1] - 2], + " ", + ); + } + const end = node.range[1] - 2, + start = end - match[0].length; + + return fixer.replaceTextRange([start, end], ""); + }, + messageId, + }); + } + + /** + * Reports a given comment if it's invalid. + * @param {ASTNode} node a comment node to check. + * @returns {void} + */ + function checkCommentForSpace(node) { + const type = node.type.toLowerCase(), + rule = styleRules[type], + commentIdentifier = type === "block" ? "/*" : "//"; + + // Ignores empty comments and comments that consist only of a marker. + if (node.value.length === 0 || rule.markers.has(node.value)) { + return; + } + + const beginMatch = rule.beginRegex.exec(node.value); + const endMatch = rule.endRegex.exec(node.value); + + // Checks. + if (requireSpace) { + if (!beginMatch) { + const hasMarker = rule.captureMarker.exec(node.value); + const marker = hasMarker + ? commentIdentifier + hasMarker[0] + : commentIdentifier; + + if (rule.hasExceptions) { + reportBegin( + node, + "expectedExceptionAfter", + hasMarker, + marker, + ); + } else { + reportBegin( + node, + "expectedSpaceAfter", + hasMarker, + marker, + ); + } + } + + if (balanced && type === "block" && !endMatch) { + reportEnd(node, "expectedSpaceBefore"); + } + } else { + if (beginMatch) { + if (!beginMatch[1]) { + reportBegin( + node, + "unexpectedSpaceAfter", + beginMatch, + commentIdentifier, + ); + } else { + reportBegin( + node, + "unexpectedSpaceAfterMarker", + beginMatch, + beginMatch[1], + ); + } + } + + if (balanced && type === "block" && endMatch) { + reportEnd(node, "unexpectedSpaceBefore", endMatch); + } + } + } + + return { + Program() { + const comments = sourceCode.getAllComments(); + + comments + .filter(token => token.type !== "Shebang") + .forEach(checkCommentForSpace); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/strict.js b/module/node_modules/eslint/lib/rules/strict.js new file mode 100644 index 000000000..381ad6f5d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/strict.js @@ -0,0 +1,314 @@ +/** + * @fileoverview Rule to control usage of strict mode directives. + * @author Brandon Mills + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Gets all of the Use Strict Directives in the Directive Prologue of a group of + * statements. + * @param {ASTNode[]} statements Statements in the program or function body. + * @returns {ASTNode[]} All of the Use Strict Directives. + */ +function getUseStrictDirectives(statements) { + const directives = []; + + for (let i = 0; i < statements.length; i++) { + const statement = statements[i]; + + if ( + statement.type === "ExpressionStatement" && + statement.expression.type === "Literal" && + statement.expression.value === "use strict" + ) { + directives[i] = statement; + } else { + break; + } + } + + return directives; +} + +/** + * Checks whether a given parameter is a simple parameter. + * @param {ASTNode} node A pattern node to check. + * @returns {boolean} `true` if the node is an Identifier node. + */ +function isSimpleParameter(node) { + return node.type === "Identifier"; +} + +/** + * Checks whether a given parameter list is a simple parameter list. + * @param {ASTNode[]} params A parameter list to check. + * @returns {boolean} `true` if the every parameter is an Identifier node. + */ +function isSimpleParameterList(params) { + return params.every(isSimpleParameter); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: ["safe"], + + docs: { + description: "Require or disallow strict mode directives", + recommended: false, + url: "https://eslint.org/docs/latest/rules/strict", + }, + + schema: [ + { + enum: ["never", "global", "function", "safe"], + }, + ], + + fixable: "code", + messages: { + function: "Use the function form of 'use strict'.", + global: "Use the global form of 'use strict'.", + multiple: "Multiple 'use strict' directives.", + never: "Strict mode is not permitted.", + unnecessary: "Unnecessary 'use strict' directive.", + module: "'use strict' is unnecessary inside of modules.", + implied: + "'use strict' is unnecessary when implied strict mode is enabled.", + unnecessaryInClasses: + "'use strict' is unnecessary inside of classes.", + nonSimpleParameterList: + "'use strict' directive inside a function with non-simple parameter list throws a syntax error since ES2016.", + wrap: "Wrap {{name}} in a function with 'use strict' directive.", + }, + }, + + create(context) { + const ecmaFeatures = + context.languageOptions.parserOptions.ecmaFeatures || {}, + scopes = [], + classScopes = []; + let [mode] = context.options; + + if (ecmaFeatures.impliedStrict) { + mode = "implied"; + } else if (mode === "safe") { + mode = + ecmaFeatures.globalReturn || + context.languageOptions.sourceType === "commonjs" + ? "global" + : "function"; + } + + /** + * Determines whether a reported error should be fixed, depending on the error type. + * @param {string} errorType The type of error + * @returns {boolean} `true` if the reported error should be fixed + */ + function shouldFix(errorType) { + return ( + errorType === "multiple" || + errorType === "unnecessary" || + errorType === "module" || + errorType === "implied" || + errorType === "unnecessaryInClasses" + ); + } + + /** + * Gets a fixer function to remove a given 'use strict' directive. + * @param {ASTNode} node The directive that should be removed + * @returns {Function} A fixer function + */ + function getFixFunction(node) { + return fixer => fixer.remove(node); + } + + /** + * Report a slice of an array of nodes with a given message. + * @param {ASTNode[]} nodes Nodes. + * @param {string} start Index to start from. + * @param {string} end Index to end before. + * @param {string} messageId Message to display. + * @param {boolean} fix `true` if the directive should be fixed (i.e. removed) + * @returns {void} + */ + function reportSlice(nodes, start, end, messageId, fix) { + nodes.slice(start, end).forEach(node => { + context.report({ + node, + messageId, + fix: fix ? getFixFunction(node) : null, + }); + }); + } + + /** + * Report all nodes in an array with a given message. + * @param {ASTNode[]} nodes Nodes. + * @param {string} messageId Message id to display. + * @param {boolean} fix `true` if the directive should be fixed (i.e. removed) + * @returns {void} + */ + function reportAll(nodes, messageId, fix) { + reportSlice(nodes, 0, nodes.length, messageId, fix); + } + + /** + * Report all nodes in an array, except the first, with a given message. + * @param {ASTNode[]} nodes Nodes. + * @param {string} messageId Message id to display. + * @param {boolean} fix `true` if the directive should be fixed (i.e. removed) + * @returns {void} + */ + function reportAllExceptFirst(nodes, messageId, fix) { + reportSlice(nodes, 1, nodes.length, messageId, fix); + } + + /** + * Entering a function in 'function' mode pushes a new nested scope onto the + * stack. The new scope is true if the nested function is strict mode code. + * @param {ASTNode} node The function declaration or expression. + * @param {ASTNode[]} useStrictDirectives The Use Strict Directives of the node. + * @returns {void} + */ + function enterFunctionInFunctionMode(node, useStrictDirectives) { + const isInClass = classScopes.length > 0, + isParentGlobal = + scopes.length === 0 && classScopes.length === 0, + isParentStrict = scopes.length > 0 && scopes.at(-1), + isStrict = useStrictDirectives.length > 0; + + if (isStrict) { + if (!isSimpleParameterList(node.params)) { + context.report({ + node: useStrictDirectives[0], + messageId: "nonSimpleParameterList", + }); + } else if (isParentStrict) { + context.report({ + node: useStrictDirectives[0], + messageId: "unnecessary", + fix: getFixFunction(useStrictDirectives[0]), + }); + } else if (isInClass) { + context.report({ + node: useStrictDirectives[0], + messageId: "unnecessaryInClasses", + fix: getFixFunction(useStrictDirectives[0]), + }); + } + + reportAllExceptFirst(useStrictDirectives, "multiple", true); + } else if (isParentGlobal) { + if (isSimpleParameterList(node.params)) { + context.report({ node, messageId: "function" }); + } else { + context.report({ + node, + messageId: "wrap", + data: { name: astUtils.getFunctionNameWithKind(node) }, + }); + } + } + + scopes.push(isParentStrict || isStrict); + } + + /** + * Exiting a function in 'function' mode pops its scope off the stack. + * @returns {void} + */ + function exitFunctionInFunctionMode() { + scopes.pop(); + } + + /** + * Enter a function and either: + * - Push a new nested scope onto the stack (in 'function' mode). + * - Report all the Use Strict Directives (in the other modes). + * @param {ASTNode} node The function declaration or expression. + * @returns {void} + */ + function enterFunction(node) { + const isBlock = node.body.type === "BlockStatement", + useStrictDirectives = isBlock + ? getUseStrictDirectives(node.body.body) + : []; + + if (mode === "function") { + enterFunctionInFunctionMode(node, useStrictDirectives); + } else if (useStrictDirectives.length > 0) { + if (isSimpleParameterList(node.params)) { + reportAll(useStrictDirectives, mode, shouldFix(mode)); + } else { + context.report({ + node: useStrictDirectives[0], + messageId: "nonSimpleParameterList", + }); + reportAllExceptFirst(useStrictDirectives, "multiple", true); + } + } + } + + const rule = { + Program(node) { + const useStrictDirectives = getUseStrictDirectives(node.body); + + if (node.sourceType === "module") { + mode = "module"; + } + + if (mode === "global") { + if ( + node.body.length > 0 && + useStrictDirectives.length === 0 + ) { + context.report({ node, messageId: "global" }); + } + reportAllExceptFirst(useStrictDirectives, "multiple", true); + } else { + reportAll(useStrictDirectives, mode, shouldFix(mode)); + } + }, + FunctionDeclaration: enterFunction, + FunctionExpression: enterFunction, + ArrowFunctionExpression: enterFunction, + }; + + if (mode === "function") { + Object.assign(rule, { + // Inside of class bodies are always strict mode. + ClassBody() { + classScopes.push(true); + }, + "ClassBody:exit"() { + classScopes.pop(); + }, + + "FunctionDeclaration:exit": exitFunctionInFunctionMode, + "FunctionExpression:exit": exitFunctionInFunctionMode, + "ArrowFunctionExpression:exit": exitFunctionInFunctionMode, + }); + } + + return rule; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/switch-colon-spacing.js b/module/node_modules/eslint/lib/rules/switch-colon-spacing.js new file mode 100644 index 000000000..410345b69 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/switch-colon-spacing.js @@ -0,0 +1,158 @@ +/** + * @fileoverview Rule to enforce spacing around colons of switch statements. + * @author Toru Nagashima + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "switch-colon-spacing", + url: "https://eslint.style/rules/switch-colon-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Enforce spacing around colons of switch statements", + recommended: false, + url: "https://eslint.org/docs/latest/rules/switch-colon-spacing", + }, + + schema: [ + { + type: "object", + properties: { + before: { type: "boolean", default: false }, + after: { type: "boolean", default: true }, + }, + additionalProperties: false, + }, + ], + fixable: "whitespace", + messages: { + expectedBefore: "Expected space(s) before this colon.", + expectedAfter: "Expected space(s) after this colon.", + unexpectedBefore: "Unexpected space(s) before this colon.", + unexpectedAfter: "Unexpected space(s) after this colon.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const options = context.options[0] || {}; + const beforeSpacing = options.before === true; // false by default + const afterSpacing = options.after !== false; // true by default + + /** + * Check whether the spacing between the given 2 tokens is valid or not. + * @param {Token} left The left token to check. + * @param {Token} right The right token to check. + * @param {boolean} expected The expected spacing to check. `true` if there should be a space. + * @returns {boolean} `true` if the spacing between the tokens is valid. + */ + function isValidSpacing(left, right, expected) { + return ( + astUtils.isClosingBraceToken(right) || + !astUtils.isTokenOnSameLine(left, right) || + sourceCode.isSpaceBetweenTokens(left, right) === expected + ); + } + + /** + * Check whether comments exist between the given 2 tokens. + * @param {Token} left The left token to check. + * @param {Token} right The right token to check. + * @returns {boolean} `true` if comments exist between the given 2 tokens. + */ + function commentsExistBetween(left, right) { + return ( + sourceCode.getFirstTokenBetween(left, right, { + includeComments: true, + filter: astUtils.isCommentToken, + }) !== null + ); + } + + /** + * Fix the spacing between the given 2 tokens. + * @param {RuleFixer} fixer The fixer to fix. + * @param {Token} left The left token of fix range. + * @param {Token} right The right token of fix range. + * @param {boolean} spacing The spacing style. `true` if there should be a space. + * @returns {Fix|null} The fix object. + */ + function fix(fixer, left, right, spacing) { + if (commentsExistBetween(left, right)) { + return null; + } + if (spacing) { + return fixer.insertTextAfter(left, " "); + } + return fixer.removeRange([left.range[1], right.range[0]]); + } + + return { + SwitchCase(node) { + const colonToken = astUtils.getSwitchCaseColonToken( + node, + sourceCode, + ); + const beforeToken = sourceCode.getTokenBefore(colonToken); + const afterToken = sourceCode.getTokenAfter(colonToken); + + if (!isValidSpacing(beforeToken, colonToken, beforeSpacing)) { + context.report({ + node, + loc: colonToken.loc, + messageId: beforeSpacing + ? "expectedBefore" + : "unexpectedBefore", + fix: fixer => + fix(fixer, beforeToken, colonToken, beforeSpacing), + }); + } + if (!isValidSpacing(colonToken, afterToken, afterSpacing)) { + context.report({ + node, + loc: colonToken.loc, + messageId: afterSpacing + ? "expectedAfter" + : "unexpectedAfter", + fix: fixer => + fix(fixer, colonToken, afterToken, afterSpacing), + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/symbol-description.js b/module/node_modules/eslint/lib/rules/symbol-description.js new file mode 100644 index 000000000..054c16bec --- /dev/null +++ b/module/node_modules/eslint/lib/rules/symbol-description.js @@ -0,0 +1,70 @@ +/** + * @fileoverview Rule to enforce description with the `Symbol` object + * @author Jarek Rencz + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: "Require symbol descriptions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/symbol-description", + }, + fixable: null, + schema: [], + messages: { + expected: "Expected Symbol to have a description.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + /** + * Reports if node does not conform the rule in case rule is set to + * report missing description + * @param {ASTNode} node A CallExpression node to check. + * @returns {void} + */ + function checkArgument(node) { + if (node.arguments.length === 0) { + context.report({ + node, + messageId: "expected", + }); + } + } + + return { + "Program:exit"(node) { + const scope = sourceCode.getScope(node); + const variable = astUtils.getVariableByName(scope, "Symbol"); + + if (variable && variable.defs.length === 0) { + variable.references.forEach(reference => { + const idNode = reference.identifier; + + if (astUtils.isCallee(idNode)) { + checkArgument(idNode.parent); + } + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/template-curly-spacing.js b/module/node_modules/eslint/lib/rules/template-curly-spacing.js new file mode 100644 index 000000000..25e3aad02 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/template-curly-spacing.js @@ -0,0 +1,168 @@ +/** + * @fileoverview Rule to enforce spacing around embedded expressions of template strings + * @author Toru Nagashima + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "template-curly-spacing", + url: "https://eslint.style/rules/template-curly-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Require or disallow spacing around embedded expressions of template strings", + recommended: false, + url: "https://eslint.org/docs/latest/rules/template-curly-spacing", + }, + + fixable: "whitespace", + + schema: [{ enum: ["always", "never"] }], + messages: { + expectedBefore: "Expected space(s) before '}'.", + expectedAfter: "Expected space(s) after '${'.", + unexpectedBefore: "Unexpected space(s) before '}'.", + unexpectedAfter: "Unexpected space(s) after '${'.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + const always = context.options[0] === "always"; + + /** + * Checks spacing before `}` of a given token. + * @param {Token} token A token to check. This is a Template token. + * @returns {void} + */ + function checkSpacingBefore(token) { + if (!token.value.startsWith("}")) { + return; // starts with a backtick, this is the first template element in the template literal + } + + const prevToken = sourceCode.getTokenBefore(token, { + includeComments: true, + }), + hasSpace = sourceCode.isSpaceBetween(prevToken, token); + + if (!astUtils.isTokenOnSameLine(prevToken, token)) { + return; + } + + if (always && !hasSpace) { + context.report({ + loc: { + start: token.loc.start, + end: { + line: token.loc.start.line, + column: token.loc.start.column + 1, + }, + }, + messageId: "expectedBefore", + fix: fixer => fixer.insertTextBefore(token, " "), + }); + } + + if (!always && hasSpace) { + context.report({ + loc: { + start: prevToken.loc.end, + end: token.loc.start, + }, + messageId: "unexpectedBefore", + fix: fixer => + fixer.removeRange([prevToken.range[1], token.range[0]]), + }); + } + } + + /** + * Checks spacing after `${` of a given token. + * @param {Token} token A token to check. This is a Template token. + * @returns {void} + */ + function checkSpacingAfter(token) { + if (!token.value.endsWith("${")) { + return; // ends with a backtick, this is the last template element in the template literal + } + + const nextToken = sourceCode.getTokenAfter(token, { + includeComments: true, + }), + hasSpace = sourceCode.isSpaceBetween(token, nextToken); + + if (!astUtils.isTokenOnSameLine(token, nextToken)) { + return; + } + + if (always && !hasSpace) { + context.report({ + loc: { + start: { + line: token.loc.end.line, + column: token.loc.end.column - 2, + }, + end: token.loc.end, + }, + messageId: "expectedAfter", + fix: fixer => fixer.insertTextAfter(token, " "), + }); + } + + if (!always && hasSpace) { + context.report({ + loc: { + start: token.loc.end, + end: nextToken.loc.start, + }, + messageId: "unexpectedAfter", + fix: fixer => + fixer.removeRange([token.range[1], nextToken.range[0]]), + }); + } + } + + return { + TemplateElement(node) { + const token = sourceCode.getFirstToken(node); + + checkSpacingBefore(token); + checkSpacingAfter(token); + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/template-tag-spacing.js b/module/node_modules/eslint/lib/rules/template-tag-spacing.js new file mode 100644 index 000000000..10ffe6804 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/template-tag-spacing.js @@ -0,0 +1,121 @@ +/** + * @fileoverview Rule to check spacing between template tags and their literals + * @author Jonathan Wilsson + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "template-tag-spacing", + url: "https://eslint.style/rules/template-tag-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Require or disallow spacing between template tags and their literals", + recommended: false, + url: "https://eslint.org/docs/latest/rules/template-tag-spacing", + }, + + fixable: "whitespace", + + schema: [{ enum: ["always", "never"] }], + messages: { + unexpected: + "Unexpected space between template tag and template literal.", + missing: "Missing space between template tag and template literal.", + }, + }, + + create(context) { + const never = context.options[0] !== "always"; + const sourceCode = context.sourceCode; + + /** + * Check if a space is present between a template tag and its literal + * @param {ASTNode} node node to evaluate + * @returns {void} + * @private + */ + function checkSpacing(node) { + const tagToken = sourceCode.getTokenBefore(node.quasi); + const literalToken = sourceCode.getFirstToken(node.quasi); + const hasWhitespace = sourceCode.isSpaceBetweenTokens( + tagToken, + literalToken, + ); + + if (never && hasWhitespace) { + context.report({ + node, + loc: { + start: tagToken.loc.end, + end: literalToken.loc.start, + }, + messageId: "unexpected", + fix(fixer) { + const comments = sourceCode.getCommentsBefore( + node.quasi, + ); + + // Don't fix anything if there's a single line comment after the template tag + if (comments.some(comment => comment.type === "Line")) { + return null; + } + + return fixer.replaceTextRange( + [tagToken.range[1], literalToken.range[0]], + comments.reduce( + (text, comment) => + text + sourceCode.getText(comment), + "", + ), + ); + }, + }); + } else if (!never && !hasWhitespace) { + context.report({ + node, + loc: { + start: node.loc.start, + end: literalToken.loc.start, + }, + messageId: "missing", + fix(fixer) { + return fixer.insertTextAfter(tagToken, " "); + }, + }); + } + } + + return { + TaggedTemplateExpression: checkSpacing, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/unicode-bom.js b/module/node_modules/eslint/lib/rules/unicode-bom.js new file mode 100644 index 000000000..7b0544891 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/unicode-bom.js @@ -0,0 +1,73 @@ +/** + * @fileoverview Require or disallow Unicode BOM + * @author Andrew Johnston + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "layout", + + defaultOptions: ["never"], + + docs: { + description: "Require or disallow Unicode byte order mark (BOM)", + recommended: false, + url: "https://eslint.org/docs/latest/rules/unicode-bom", + }, + + fixable: "whitespace", + + schema: [ + { + enum: ["always", "never"], + }, + ], + messages: { + expected: "Expected Unicode BOM (Byte Order Mark).", + unexpected: "Unexpected Unicode BOM (Byte Order Mark).", + }, + }, + + create(context) { + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program: function checkUnicodeBOM(node) { + const sourceCode = context.sourceCode, + location = { column: 0, line: 1 }; + const [requireBOM] = context.options; + + if (!sourceCode.hasBOM && requireBOM === "always") { + context.report({ + node, + loc: location, + messageId: "expected", + fix(fixer) { + return fixer.insertTextBeforeRange( + [0, 1], + "\uFEFF", + ); + }, + }); + } else if (sourceCode.hasBOM && requireBOM === "never") { + context.report({ + node, + loc: location, + messageId: "unexpected", + fix(fixer) { + return fixer.removeRange([-1, 0]); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/use-isnan.js b/module/node_modules/eslint/lib/rules/use-isnan.js new file mode 100644 index 000000000..2c73acf7e --- /dev/null +++ b/module/node_modules/eslint/lib/rules/use-isnan.js @@ -0,0 +1,268 @@ +/** + * @fileoverview Rule to flag comparisons to the value NaN + * @author James Allardice + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Determines if the given node is a NaN `Identifier` node. + * @param {ASTNode|null} node The node to check. + * @returns {boolean} `true` if the node is 'NaN' identifier. + */ +function isNaNIdentifier(node) { + if (!node) { + return false; + } + + const nodeToCheck = + node.type === "SequenceExpression" ? node.expressions.at(-1) : node; + + return ( + astUtils.isSpecificId(nodeToCheck, "NaN") || + astUtils.isSpecificMemberAccess(nodeToCheck, "Number", "NaN") + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + hasSuggestions: true, + type: "problem", + + docs: { + description: "Require calls to `isNaN()` when checking for `NaN`", + recommended: true, + url: "https://eslint.org/docs/latest/rules/use-isnan", + }, + + schema: [ + { + type: "object", + properties: { + enforceForSwitchCase: { + type: "boolean", + }, + enforceForIndexOf: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + defaultOptions: [ + { + enforceForIndexOf: false, + enforceForSwitchCase: true, + }, + ], + + messages: { + comparisonWithNaN: "Use the isNaN function to compare with NaN.", + switchNaN: + "'switch(NaN)' can never match a case clause. Use Number.isNaN instead of the switch.", + caseNaN: + "'case NaN' can never match. Use Number.isNaN before the switch.", + indexOfNaN: + "Array prototype method '{{ methodName }}' cannot find NaN.", + replaceWithIsNaN: "Replace with Number.isNaN.", + replaceWithCastingAndIsNaN: + "Replace with Number.isNaN and cast to a Number.", + replaceWithFindIndex: + "Replace with Array.prototype.{{ methodName }}.", + }, + }, + + create(context) { + const [{ enforceForIndexOf, enforceForSwitchCase }] = context.options; + const sourceCode = context.sourceCode; + + const fixableOperators = new Set(["==", "===", "!=", "!=="]); + const castableOperators = new Set(["==", "!="]); + + /** + * Get a fixer for a binary expression that compares to NaN. + * @param {ASTNode} node The node to fix. + * @param {function(string): string} wrapValue A function that wraps the compared value with a fix. + * @returns {function(Fixer): Fix} The fixer function. + */ + function getBinaryExpressionFixer(node, wrapValue) { + return fixer => { + const comparedValue = isNaNIdentifier(node.left) + ? node.right + : node.left; + const shouldWrap = comparedValue.type === "SequenceExpression"; + const shouldNegate = node.operator[0] === "!"; + + const negation = shouldNegate ? "!" : ""; + let comparedValueText = sourceCode.getText(comparedValue); + + if (shouldWrap) { + comparedValueText = `(${comparedValueText})`; + } + + const fixedValue = wrapValue(comparedValueText); + + return fixer.replaceText(node, `${negation}${fixedValue}`); + }; + } + + /** + * Checks the given `BinaryExpression` node for `foo === NaN` and other comparisons. + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function checkBinaryExpression(node) { + if ( + /^(?:[<>]|[!=]=)=?$/u.test(node.operator) && + (isNaNIdentifier(node.left) || isNaNIdentifier(node.right)) + ) { + const suggestedFixes = []; + const NaNNode = isNaNIdentifier(node.left) + ? node.left + : node.right; + + const isSequenceExpression = + NaNNode.type === "SequenceExpression"; + const isSuggestable = + fixableOperators.has(node.operator) && + !isSequenceExpression; + const isCastable = castableOperators.has(node.operator); + + if (isSuggestable) { + suggestedFixes.push({ + messageId: "replaceWithIsNaN", + fix: getBinaryExpressionFixer( + node, + value => `Number.isNaN(${value})`, + ), + }); + + if (isCastable) { + suggestedFixes.push({ + messageId: "replaceWithCastingAndIsNaN", + fix: getBinaryExpressionFixer( + node, + value => `Number.isNaN(Number(${value}))`, + ), + }); + } + } + + context.report({ + node, + messageId: "comparisonWithNaN", + suggest: suggestedFixes, + }); + } + } + + /** + * Checks the discriminant and all case clauses of the given `SwitchStatement` node for `switch(NaN)` and `case NaN:` + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function checkSwitchStatement(node) { + if (isNaNIdentifier(node.discriminant)) { + context.report({ node, messageId: "switchNaN" }); + } + + for (const switchCase of node.cases) { + if (isNaNIdentifier(switchCase.test)) { + context.report({ node: switchCase, messageId: "caseNaN" }); + } + } + } + + /** + * Checks the given `CallExpression` node for `.indexOf(NaN)` and `.lastIndexOf(NaN)`. + * @param {ASTNode} node The node to check. + * @returns {void} + */ + function checkCallExpression(node) { + const callee = astUtils.skipChainExpression(node.callee); + + if (callee.type === "MemberExpression") { + const methodName = astUtils.getStaticPropertyName(callee); + + if ( + (methodName === "indexOf" || + methodName === "lastIndexOf") && + node.arguments.length <= 2 && + isNaNIdentifier(node.arguments[0]) + ) { + /* + * To retain side effects, it's essential to address `NaN` beforehand, which + * is not possible with fixes like `arr.findIndex(Number.isNaN)`. + */ + const isSuggestable = + node.arguments[0].type !== "SequenceExpression" && + !node.arguments[1]; + const suggestedFixes = []; + + if (isSuggestable) { + const shouldWrap = callee.computed; + const findIndexMethod = + methodName === "indexOf" + ? "findIndex" + : "findLastIndex"; + const propertyName = shouldWrap + ? `"${findIndexMethod}"` + : findIndexMethod; + + suggestedFixes.push({ + messageId: "replaceWithFindIndex", + data: { methodName: findIndexMethod }, + fix: fixer => [ + fixer.replaceText( + callee.property, + propertyName, + ), + fixer.replaceText( + node.arguments[0], + "Number.isNaN", + ), + ], + }); + } + + context.report({ + node, + messageId: "indexOfNaN", + data: { methodName }, + suggest: suggestedFixes, + }); + } + } + } + + const listeners = { + BinaryExpression: checkBinaryExpression, + }; + + if (enforceForSwitchCase) { + listeners.SwitchStatement = checkSwitchStatement; + } + + if (enforceForIndexOf) { + listeners.CallExpression = checkCallExpression; + } + + return listeners; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/utils/ast-utils.js b/module/node_modules/eslint/lib/rules/utils/ast-utils.js new file mode 100644 index 000000000..dff0945d3 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/utils/ast-utils.js @@ -0,0 +1,2733 @@ +/** + * @fileoverview Common utils for AST. + * @author Gyandeep Singh + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { KEYS: eslintVisitorKeys } = require("eslint-visitor-keys"); +const esutils = require("esutils"); +const espree = require("espree"); +const escapeRegExp = require("escape-string-regexp"); +const { + breakableTypePattern, + createGlobalLinebreakMatcher, + lineBreakPattern, + shebangPattern, +} = require("../../shared/ast-utils"); +const globals = require("../../../conf/globals"); +const { LATEST_ECMA_VERSION } = require("../../../conf/ecma-version"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const anyFunctionPattern = + /^(?:Function(?:Declaration|Expression)|ArrowFunctionExpression)$/u; +const anyLoopPattern = /^(?:DoWhile|For|ForIn|ForOf|While)Statement$/u; +const arrayMethodWithThisArgPattern = + /^(?:every|filter|find(?:Last)?(?:Index)?|flatMap|forEach|map|some)$/u; +const arrayOrTypedArrayPattern = /Array$/u; +const bindOrCallOrApplyPattern = /^(?:bind|call|apply)$/u; +const thisTagPattern = /^[\s*]*@this/mu; + +const COMMENTS_IGNORE_PATTERN = + /^\s*(?:eslint|jshint\s+|jslint\s+|istanbul\s+|globals?\s+|exported\s+|jscs)/u; +const ESLINT_DIRECTIVE_PATTERN = /^(?:eslint[- ]|(?:globals?|exported) )/u; +const LINEBREAKS = new Set(["\r\n", "\r", "\n", "\u2028", "\u2029"]); + +// A set of node types that can contain a list of statements +const STATEMENT_LIST_PARENTS = new Set([ + "Program", + "BlockStatement", + "StaticBlock", + "SwitchCase", +]); +const LEXICAL_DECLARATION_KINDS = new Set([ + "let", + "const", + "using", + "await using", +]); + +const DECIMAL_INTEGER_PATTERN = /^(?:0|0[0-7]*[89]\d*|[1-9](?:_?\d)*)$/u; + +// Tests the presence of at least one LegacyOctalEscapeSequence or NonOctalDecimalEscapeSequence in a raw string +const OCTAL_OR_NON_OCTAL_DECIMAL_ESCAPE_PATTERN = + /^(?:[^\\]|\\.)*\\(?:[1-9]|0\d)/su; + +const LOGICAL_ASSIGNMENT_OPERATORS = new Set(["&&=", "||=", "??="]); + +/** + * All builtin global variables defined in the latest ECMAScript specification. + * @type {Record} Key is the name of the variable. Value is `true` if the variable is considered writable, `false` otherwise. + */ +const ECMASCRIPT_GLOBALS = globals[`es${LATEST_ECMA_VERSION}`]; + +/** + * Checks reference if is non initializer and writable. + * @param {Reference} reference A reference to check. + * @param {number} index The index of the reference in the references. + * @param {Reference[]} references The array that the reference belongs to. + * @returns {boolean} Success/Failure + * @private + */ +function isModifyingReference(reference, index, references) { + const identifier = reference.identifier; + + /* + * Destructuring assignments can have multiple default value, so + * possibly there are multiple writeable references for the same + * identifier. + */ + const modifyingDifferentIdentifier = + index === 0 || references[index - 1].identifier !== identifier; + + return ( + identifier && + reference.init === false && + reference.isWrite() && + modifyingDifferentIdentifier + ); +} + +/** + * Checks whether the given string starts with uppercase or not. + * @param {string} s The string to check. + * @returns {boolean} `true` if the string starts with uppercase. + */ +function startsWithUpperCase(s) { + return s[0] !== s[0].toLocaleLowerCase(); +} + +/** + * Checks whether or not a node is a constructor. + * @param {ASTNode} node A function node to check. + * @returns {boolean} Whether or not a node is a constructor. + */ +function isES5Constructor(node) { + return node.id && startsWithUpperCase(node.id.name); +} + +/** + * Finds a function node from ancestors of a node. + * @param {ASTNode} node A start node to find. + * @returns {Node|null} A found function node. + */ +function getUpperFunction(node) { + for ( + let currentNode = node; + currentNode; + currentNode = currentNode.parent + ) { + if (anyFunctionPattern.test(currentNode.type)) { + return currentNode; + } + } + return null; +} + +/** + * Checks whether a given node is a function node or not. + * The following types are function nodes: + * + * - ArrowFunctionExpression + * - FunctionDeclaration + * - FunctionExpression + * @param {ASTNode|null} node A node to check. + * @returns {boolean} `true` if the node is a function node. + */ +function isFunction(node) { + return Boolean(node && anyFunctionPattern.test(node.type)); +} + +/** + * Checks whether a given node is a loop node or not. + * The following types are loop nodes: + * + * - DoWhileStatement + * - ForInStatement + * - ForOfStatement + * - ForStatement + * - WhileStatement + * @param {ASTNode|null} node A node to check. + * @returns {boolean} `true` if the node is a loop node. + */ +function isLoop(node) { + return Boolean(node && anyLoopPattern.test(node.type)); +} + +/** + * Checks whether the given node is in a loop or not. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is in a loop. + */ +function isInLoop(node) { + for ( + let currentNode = node; + currentNode && !isFunction(currentNode); + currentNode = currentNode.parent + ) { + if (isLoop(currentNode)) { + return true; + } + } + + return false; +} + +/** + * Determines whether the given node is a `null` literal. + * @param {ASTNode} node The node to check + * @returns {boolean} `true` if the node is a `null` literal + */ +function isNullLiteral(node) { + /* + * Checking `node.value === null` does not guarantee that a literal is a null literal. + * When parsing values that cannot be represented in the current environment (e.g. unicode + * regexes in Node 4), `node.value` is set to `null` because it wouldn't be possible to + * set `node.value` to a unicode regex. To make sure a literal is actually `null`, check + * `node.regex` instead. Also see: https://github.com/eslint/eslint/issues/8020 + */ + return ( + node.type === "Literal" && + node.value === null && + !node.regex && + !node.bigint + ); +} + +/** + * Checks whether or not a node is `null` or `undefined`. + * @param {ASTNode} node A node to check. + * @returns {boolean} Whether or not the node is a `null` or `undefined`. + * @public + */ +function isNullOrUndefined(node) { + return ( + isNullLiteral(node) || + (node.type === "Identifier" && node.name === "undefined") || + (node.type === "UnaryExpression" && node.operator === "void") + ); +} + +/** + * Checks whether or not a node is callee. + * @param {ASTNode} node A node to check. + * @returns {boolean} Whether or not the node is callee. + */ +function isCallee(node) { + return node.parent.type === "CallExpression" && node.parent.callee === node; +} + +/** + * Returns the result of the string conversion applied to the evaluated value of the given expression node, + * if it can be determined statically. + * + * This function returns a `string` value for all `Literal` nodes and simple `TemplateLiteral` nodes only. + * In all other cases, this function returns `null`. + * @param {ASTNode} node Expression node. + * @returns {string|null} String value if it can be determined. Otherwise, `null`. + */ +function getStaticStringValue(node) { + switch (node.type) { + case "Literal": + if (node.value === null) { + if (isNullLiteral(node)) { + return String(node.value); // "null" + } + if (node.regex) { + return `/${node.regex.pattern}/${node.regex.flags}`; + } + if (node.bigint) { + return node.bigint; + } + + // Otherwise, this is an unknown literal. The function will return null. + } else { + return String(node.value); + } + break; + case "TemplateLiteral": + if (node.expressions.length === 0 && node.quasis.length === 1) { + return node.quasis[0].value.cooked; + } + break; + + // no default + } + + return null; +} + +/** + * Gets the property name of a given node. + * The node can be a MemberExpression, a Property, or a MethodDefinition. + * + * If the name is dynamic, this returns `null`. + * + * For examples: + * + * a.b // => "b" + * a["b"] // => "b" + * a['b'] // => "b" + * a[`b`] // => "b" + * a[100] // => "100" + * a[b] // => null + * a["a" + "b"] // => null + * a[tag`b`] // => null + * a[`${b}`] // => null + * + * let a = {b: 1} // => "b" + * let a = {["b"]: 1} // => "b" + * let a = {['b']: 1} // => "b" + * let a = {[`b`]: 1} // => "b" + * let a = {[100]: 1} // => "100" + * let a = {[b]: 1} // => null + * let a = {["a" + "b"]: 1} // => null + * let a = {[tag`b`]: 1} // => null + * let a = {[`${b}`]: 1} // => null + * @param {ASTNode} node The node to get. + * @returns {string|null} The property name if static. Otherwise, null. + */ +function getStaticPropertyName(node) { + let prop; + + switch (node && node.type) { + case "ChainExpression": + return getStaticPropertyName(node.expression); + + case "Property": + case "PropertyDefinition": + case "MethodDefinition": + case "TSPropertySignature": + case "TSMethodSignature": + prop = node.key; + break; + + case "MemberExpression": + prop = node.property; + break; + + // no default + } + + if (prop) { + if (prop.type === "Identifier" && !node.computed) { + return prop.name; + } + + return getStaticStringValue(prop); + } + + return null; +} + +/** + * Retrieve `ChainExpression#expression` value if the given node a `ChainExpression` node. Otherwise, pass through it. + * @param {ASTNode} node The node to address. + * @returns {ASTNode} The `ChainExpression#expression` value if the node is a `ChainExpression` node. Otherwise, the node. + */ +function skipChainExpression(node) { + return node && node.type === "ChainExpression" ? node.expression : node; +} + +/** + * Check if the `actual` is an expected value. + * @param {string} actual The string value to check. + * @param {string | RegExp} expected The expected string value or pattern. + * @returns {boolean} `true` if the `actual` is an expected value. + */ +function checkText(actual, expected) { + return typeof expected === "string" + ? actual === expected + : expected.test(actual); +} + +/** + * Check if a given node is an Identifier node with a given name. + * @param {ASTNode} node The node to check. + * @param {string | RegExp} name The expected name or the expected pattern of the object name. + * @returns {boolean} `true` if the node is an Identifier node with the name. + */ +function isSpecificId(node, name) { + return node.type === "Identifier" && checkText(node.name, name); +} + +/** + * Check if a given node is member access with a given object name and property name pair. + * This is regardless of optional or not. + * @param {ASTNode} node The node to check. + * @param {string | RegExp | null} objectName The expected name or the expected pattern of the object name. If this is nullish, this method doesn't check object. + * @param {string | RegExp | null} propertyName The expected name or the expected pattern of the property name. If this is nullish, this method doesn't check property. + * @returns {boolean} `true` if the node is member access with the object name and property name pair. + * The node is a `MemberExpression` or `ChainExpression`. + */ +function isSpecificMemberAccess(node, objectName, propertyName) { + const checkNode = skipChainExpression(node); + + if (checkNode.type !== "MemberExpression") { + return false; + } + + if (objectName && !isSpecificId(checkNode.object, objectName)) { + return false; + } + + if (propertyName) { + const actualPropertyName = getStaticPropertyName(checkNode); + + if ( + typeof actualPropertyName !== "string" || + !checkText(actualPropertyName, propertyName) + ) { + return false; + } + } + + return true; +} + +/** + * Check if two literal nodes are the same value. + * @param {ASTNode} left The Literal node to compare. + * @param {ASTNode} right The other Literal node to compare. + * @returns {boolean} `true` if the two literal nodes are the same value. + */ +function equalLiteralValue(left, right) { + // RegExp literal. + if (left.regex || right.regex) { + return Boolean( + left.regex && + right.regex && + left.regex.pattern === right.regex.pattern && + left.regex.flags === right.regex.flags, + ); + } + + // BigInt literal. + if (left.bigint || right.bigint) { + return left.bigint === right.bigint; + } + + return left.value === right.value; +} + +/** + * Check if two expressions reference the same value. For example: + * a = a + * a.b = a.b + * a[0] = a[0] + * a['b'] = a['b'] + * @param {ASTNode} left The left side of the comparison. + * @param {ASTNode} right The right side of the comparison. + * @param {boolean} [disableStaticComputedKey] Don't address `a.b` and `a["b"]` are the same if `true`. For backward compatibility. + * @returns {boolean} `true` if both sides match and reference the same value. + */ +function isSameReference(left, right, disableStaticComputedKey = false) { + if (left.type !== right.type) { + // Handle `a.b` and `a?.b` are samely. + if (left.type === "ChainExpression") { + return isSameReference( + left.expression, + right, + disableStaticComputedKey, + ); + } + if (right.type === "ChainExpression") { + return isSameReference( + left, + right.expression, + disableStaticComputedKey, + ); + } + + return false; + } + + switch (left.type) { + case "Super": + case "ThisExpression": + return true; + + case "Identifier": + case "PrivateIdentifier": + return left.name === right.name; + case "Literal": + return equalLiteralValue(left, right); + + case "ChainExpression": + return isSameReference( + left.expression, + right.expression, + disableStaticComputedKey, + ); + + case "MemberExpression": { + if (!disableStaticComputedKey) { + const nameA = getStaticPropertyName(left); + + // x.y = x["y"] + if (nameA !== null) { + return ( + isSameReference( + left.object, + right.object, + disableStaticComputedKey, + ) && nameA === getStaticPropertyName(right) + ); + } + } + + /* + * x[0] = x[0] + * x[y] = x[y] + * x.y = x.y + */ + return ( + left.computed === right.computed && + isSameReference( + left.object, + right.object, + disableStaticComputedKey, + ) && + isSameReference( + left.property, + right.property, + disableStaticComputedKey, + ) + ); + } + + default: + return false; + } +} + +/** + * Checks whether or not a node is `Reflect.apply`. + * @param {ASTNode} node A node to check. + * @returns {boolean} Whether or not the node is a `Reflect.apply`. + */ +function isReflectApply(node) { + return isSpecificMemberAccess(node, "Reflect", "apply"); +} + +/** + * Checks whether or not a node is `Array.from`. + * @param {ASTNode} node A node to check. + * @returns {boolean} Whether or not the node is a `Array.from`. + */ +function isArrayFromMethod(node) { + return isSpecificMemberAccess(node, arrayOrTypedArrayPattern, "from"); +} + +/** + * Checks whether or not a node is a method which expects a function as a first argument, and `thisArg` as a second argument. + * @param {ASTNode} node A node to check. + * @returns {boolean} Whether or not the node is a method which expects a function as a first argument, and `thisArg` as a second argument. + */ +function isMethodWhichHasThisArg(node) { + return isSpecificMemberAccess(node, null, arrayMethodWithThisArgPattern); +} + +/** + * Creates the negate function of the given function. + * @param {Function} f The function to negate. + * @returns {Function} Negated function. + */ +function negate(f) { + return token => !f(token); +} + +/** + * Checks whether or not a node has a `@this` tag in its comments. + * @param {ASTNode} node A node to check. + * @param {SourceCode} sourceCode A SourceCode instance to get comments. + * @returns {boolean} Whether or not the node has a `@this` tag in its comments. + */ +function hasJSDocThisTag(node, sourceCode) { + const jsdocComment = sourceCode.getJSDocComment(node); + + if (jsdocComment && thisTagPattern.test(jsdocComment.value)) { + return true; + } + + // Checks `@this` in its leading comments for callbacks, + // because callbacks don't have its JSDoc comment. + // e.g. + // sinon.test(/* @this sinon.Sandbox */function() { this.spy(); }); + return sourceCode + .getCommentsBefore(node) + .some(comment => thisTagPattern.test(comment.value)); +} + +/** + * Determines if a node is surrounded by parentheses. + * @param {SourceCode} sourceCode The ESLint source code object + * @param {ASTNode} node The node to be checked. + * @returns {boolean} True if the node is parenthesised. + * @private + */ +function isParenthesised(sourceCode, node) { + const previousToken = sourceCode.getTokenBefore(node), + nextToken = sourceCode.getTokenAfter(node); + + return ( + Boolean(previousToken && nextToken) && + previousToken.value === "(" && + previousToken.range[1] <= node.range[0] && + nextToken.value === ")" && + nextToken.range[0] >= node.range[1] + ); +} + +/** + * Checks if the given token is a `=` token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a `=` token. + */ +function isEqToken(token) { + return token.value === "=" && token.type === "Punctuator"; +} + +/** + * Checks if the given token is an arrow token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is an arrow token. + */ +function isArrowToken(token) { + return token.value === "=>" && token.type === "Punctuator"; +} + +/** + * Checks if the given token is a comma token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a comma token. + */ +function isCommaToken(token) { + return token.value === "," && token.type === "Punctuator"; +} + +/** + * Checks if the given token is a dot token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a dot token. + */ +function isDotToken(token) { + return token.value === "." && token.type === "Punctuator"; +} + +/** + * Checks if the given token is a `?.` token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a `?.` token. + */ +function isQuestionDotToken(token) { + return token.value === "?." && token.type === "Punctuator"; +} + +/** + * Checks if the given token is a semicolon token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a semicolon token. + */ +function isSemicolonToken(token) { + return token.value === ";" && token.type === "Punctuator"; +} + +/** + * Checks if the given token is a colon token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a colon token. + */ +function isColonToken(token) { + return token.value === ":" && token.type === "Punctuator"; +} + +/** + * Checks if the given token is an opening parenthesis token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is an opening parenthesis token. + */ +function isOpeningParenToken(token) { + return token.value === "(" && token.type === "Punctuator"; +} + +/** + * Checks if the given token is a closing parenthesis token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a closing parenthesis token. + */ +function isClosingParenToken(token) { + return token.value === ")" && token.type === "Punctuator"; +} + +/** + * Checks if the given token is an opening square bracket token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is an opening square bracket token. + */ +function isOpeningBracketToken(token) { + return token.value === "[" && token.type === "Punctuator"; +} + +/** + * Checks if the given token is a closing square bracket token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a closing square bracket token. + */ +function isClosingBracketToken(token) { + return token.value === "]" && token.type === "Punctuator"; +} + +/** + * Checks if the given token is an opening brace token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is an opening brace token. + */ +function isOpeningBraceToken(token) { + return token.value === "{" && token.type === "Punctuator"; +} + +/** + * Checks if the given token is a closing brace token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a closing brace token. + */ +function isClosingBraceToken(token) { + return token.value === "}" && token.type === "Punctuator"; +} + +/** + * Checks if the given token is a comment token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a comment token. + */ +function isCommentToken(token) { + return ( + token.type === "Line" || + token.type === "Block" || + token.type === "Shebang" + ); +} + +/** + * Checks if the given token is a keyword token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is a keyword token. + */ +function isKeywordToken(token) { + return token.type === "Keyword"; +} + +/** + * Gets the `(` token of the given function node. + * @param {ASTNode} node The function node to get. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {Token} `(` token. + */ +function getOpeningParenOfParams(node, sourceCode) { + // If the node is an arrow function and doesn't have parens, this returns the identifier of the first param. + if (node.type === "ArrowFunctionExpression" && node.params.length === 1) { + const argToken = sourceCode.getFirstToken(node.params[0]); + const maybeParenToken = sourceCode.getTokenBefore(argToken); + + return isOpeningParenToken(maybeParenToken) + ? maybeParenToken + : argToken; + } + + // Otherwise, returns paren. + return node.id + ? sourceCode.getTokenAfter(node.id, isOpeningParenToken) + : sourceCode.getFirstToken(node, isOpeningParenToken); +} + +/** + * Checks whether or not the tokens of two given nodes are same. + * @param {ASTNode} left A node 1 to compare. + * @param {ASTNode} right A node 2 to compare. + * @param {SourceCode} sourceCode The ESLint source code object. + * @returns {boolean} the source code for the given node. + */ +function equalTokens(left, right, sourceCode) { + const tokensL = sourceCode.getTokens(left); + const tokensR = sourceCode.getTokens(right); + + if (tokensL.length !== tokensR.length) { + return false; + } + for (let i = 0; i < tokensL.length; ++i) { + if ( + tokensL[i].type !== tokensR[i].type || + tokensL[i].value !== tokensR[i].value + ) { + return false; + } + } + + return true; +} + +/** + * Check if the given node is a true logical expression or not. + * + * The three binary expressions logical-or (`||`), logical-and (`&&`), and + * coalesce (`??`) are known as `ShortCircuitExpression`. + * But ESTree represents those by `LogicalExpression` node. + * + * This function rejects coalesce expressions of `LogicalExpression` node. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is `&&` or `||`. + * @see https://tc39.es/ecma262/#prod-ShortCircuitExpression + */ +function isLogicalExpression(node) { + return ( + node.type === "LogicalExpression" && + (node.operator === "&&" || node.operator === "||") + ); +} + +/** + * Check if the given node is a nullish coalescing expression or not. + * + * The three binary expressions logical-or (`||`), logical-and (`&&`), and + * coalesce (`??`) are known as `ShortCircuitExpression`. + * But ESTree represents those by `LogicalExpression` node. + * + * This function finds only coalesce expressions of `LogicalExpression` node. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is `??`. + */ +function isCoalesceExpression(node) { + return node.type === "LogicalExpression" && node.operator === "??"; +} + +/** + * Check if given two nodes are the pair of a logical expression and a coalesce expression. + * @param {ASTNode} left A node to check. + * @param {ASTNode} right Another node to check. + * @returns {boolean} `true` if the two nodes are the pair of a logical expression and a coalesce expression. + */ +function isMixedLogicalAndCoalesceExpressions(left, right) { + return ( + (isLogicalExpression(left) && isCoalesceExpression(right)) || + (isCoalesceExpression(left) && isLogicalExpression(right)) + ); +} + +/** + * Checks if the given operator is a logical assignment operator. + * @param {string} operator The operator to check. + * @returns {boolean} `true` if the operator is a logical assignment operator. + */ +function isLogicalAssignmentOperator(operator) { + return LOGICAL_ASSIGNMENT_OPERATORS.has(operator); +} + +/** + * Get the colon token of the given SwitchCase node. + * @param {ASTNode} node The SwitchCase node to get. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {Token} The colon token of the node. + */ +function getSwitchCaseColonToken(node, sourceCode) { + if (node.test) { + return sourceCode.getTokenAfter(node.test, isColonToken); + } + return sourceCode.getFirstToken(node, 1); +} + +/** + * Gets ESM module export name represented by the given node. + * @param {ASTNode} node `Identifier` or string `Literal` node in a position + * that represents a module export name: + * - `ImportSpecifier#imported` + * - `ExportSpecifier#local` (if it is a re-export from another module) + * - `ExportSpecifier#exported` + * - `ExportAllDeclaration#exported` + * @returns {string} The module export name. + */ +function getModuleExportName(node) { + if (node.type === "Identifier") { + return node.name; + } + + // string literal + return node.value; +} + +/** + * Returns literal's value converted to the Boolean type + * @param {ASTNode} node any `Literal` node + * @returns {boolean | null} `true` when node is truthy, `false` when node is falsy, + * `null` when it cannot be determined. + */ +function getBooleanValue(node) { + if (node.value === null) { + /* + * it might be a null literal or bigint/regex literal in unsupported environments . + * https://github.com/estree/estree/blob/14df8a024956ea289bd55b9c2226a1d5b8a473ee/es5.md#regexpliteral + * https://github.com/estree/estree/blob/14df8a024956ea289bd55b9c2226a1d5b8a473ee/es2020.md#bigintliteral + */ + + if (node.raw === "null") { + return false; + } + + // regex is always truthy + if (typeof node.regex === "object") { + return true; + } + + return null; + } + + return !!node.value; +} + +/** + * Checks if a branch node of LogicalExpression short circuits the whole condition + * @param {ASTNode} node The branch of main condition which needs to be checked + * @param {string} operator The operator of the main LogicalExpression. + * @returns {boolean} true when condition short circuits whole condition + */ +function isLogicalIdentity(node, operator) { + switch (node.type) { + case "Literal": + return ( + (operator === "||" && getBooleanValue(node) === true) || + (operator === "&&" && getBooleanValue(node) === false) + ); + + case "UnaryExpression": + return operator === "&&" && node.operator === "void"; + + case "LogicalExpression": + /* + * handles `a && false || b` + * `false` is an identity element of `&&` but not `||` + */ + return ( + operator === node.operator && + (isLogicalIdentity(node.left, operator) || + isLogicalIdentity(node.right, operator)) + ); + + case "AssignmentExpression": + return ( + ["||=", "&&="].includes(node.operator) && + operator === node.operator.slice(0, -1) && + isLogicalIdentity(node.right, operator) + ); + + // no default + } + return false; +} + +/** + * Checks if an identifier is a reference to a global variable. + * @param {Scope} scope The scope in which the identifier is referenced. + * @param {ASTNode} node An identifier node to check. + * @returns {boolean} `true` if the identifier is a reference to a global variable. + */ +function isReferenceToGlobalVariable(scope, node) { + const reference = scope.references.find(ref => ref.identifier === node); + + return Boolean( + reference && + reference.resolved && + reference.resolved.scope.type === "global" && + reference.resolved.defs.length === 0, + ); +} + +/** + * Checks if a node has a constant truthiness value. + * @param {Scope} scope Scope in which the node appears. + * @param {ASTNode} node The AST node to check. + * @param {boolean} inBooleanPosition `true` if checking the test of a + * condition. `false` in all other cases. When `false`, checks if -- for + * both string and number -- if coerced to that type, the value will + * be constant. + * @returns {boolean} true when node's truthiness is constant + * @private + */ +function isConstant(scope, node, inBooleanPosition) { + // node.elements can return null values in the case of sparse arrays ex. [,] + if (!node) { + return true; + } + switch (node.type) { + case "Literal": + case "ArrowFunctionExpression": + case "FunctionExpression": + return true; + case "ClassExpression": + case "ObjectExpression": + /** + * In theory objects like: + * + * `{toString: () => a}` + * `{valueOf: () => a}` + * + * Or a classes like: + * + * `class { static toString() { return a } }` + * `class { static valueOf() { return a } }` + * + * Are not constant verifiably when `inBooleanPosition` is + * false, but it's an edge case we've opted not to handle. + */ + return true; + case "TemplateLiteral": + return ( + (inBooleanPosition && + node.quasis.some(quasi => quasi.value.cooked.length)) || + node.expressions.every(exp => isConstant(scope, exp, false)) + ); + + case "ArrayExpression": { + if (!inBooleanPosition) { + return node.elements.every(element => + isConstant(scope, element, false), + ); + } + return true; + } + + case "UnaryExpression": + if ( + node.operator === "void" || + (node.operator === "typeof" && inBooleanPosition) + ) { + return true; + } + + if (node.operator === "!") { + return isConstant(scope, node.argument, true); + } + + return isConstant(scope, node.argument, false); + + case "BinaryExpression": + return ( + isConstant(scope, node.left, false) && + isConstant(scope, node.right, false) && + node.operator !== "in" + ); + + case "LogicalExpression": { + const isLeftConstant = isConstant( + scope, + node.left, + inBooleanPosition, + ); + const isRightConstant = isConstant( + scope, + node.right, + inBooleanPosition, + ); + const isLeftShortCircuit = + isLeftConstant && isLogicalIdentity(node.left, node.operator); + const isRightShortCircuit = + inBooleanPosition && + isRightConstant && + isLogicalIdentity(node.right, node.operator); + + return ( + (isLeftConstant && isRightConstant) || + isLeftShortCircuit || + isRightShortCircuit + ); + } + case "NewExpression": + return inBooleanPosition; + case "AssignmentExpression": + if (node.operator === "=") { + return isConstant(scope, node.right, inBooleanPosition); + } + + if (["||=", "&&="].includes(node.operator) && inBooleanPosition) { + return isLogicalIdentity( + node.right, + node.operator.slice(0, -1), + ); + } + + return false; + + case "SequenceExpression": + return isConstant( + scope, + node.expressions.at(-1), + inBooleanPosition, + ); + case "SpreadElement": + return isConstant(scope, node.argument, inBooleanPosition); + case "CallExpression": + if ( + node.callee.type === "Identifier" && + node.callee.name === "Boolean" + ) { + if ( + node.arguments.length === 0 || + isConstant(scope, node.arguments[0], true) + ) { + return isReferenceToGlobalVariable(scope, node.callee); + } + } + return false; + case "Identifier": + return ( + node.name === "undefined" && + isReferenceToGlobalVariable(scope, node) + ); + + // no default + } + return false; +} + +/** + * Checks whether a node is an ExpressionStatement at the top level of a file, function body, or TypeScript module block. + * A top-level ExpressionStatement node is a directive if it contains a single unparenthesized + * string literal and if it occurs either as the first sibling or immediately after another + * directive. + * @param {ASTNode} node The node to check. + * @returns {boolean} Whether or not the node is an ExpressionStatement at the top level of a + * file, function body, or TypeScript module block. + */ +function isTopLevelExpressionStatement(node) { + if (node.type !== "ExpressionStatement") { + return false; + } + const parent = node.parent; + + return ( + parent.type === "Program" || + parent.type === "TSModuleBlock" || + (parent.type === "BlockStatement" && isFunction(parent.parent)) + ); +} + +/** + * Check whether the given node is a part of a directive prologue or not. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is a part of directive prologue. + */ +function isDirective(node) { + return ( + node.type === "ExpressionStatement" && + typeof node.directive === "string" + ); +} + +/** + * Tests if a node appears at the beginning of an ancestor ExpressionStatement node. + * @param {ASTNode} node The node to check. + * @returns {boolean} Whether the node appears at the beginning of an ancestor ExpressionStatement node. + */ +function isStartOfExpressionStatement(node) { + const start = node.range[0]; + let ancestor = node; + + while ((ancestor = ancestor.parent) && ancestor.range[0] === start) { + if (ancestor.type === "ExpressionStatement") { + return true; + } + } + return false; +} + +/** + * Determines whether an opening parenthesis `(`, bracket `[` or backtick ``` ` ``` needs to be preceded by a semicolon. + * This opening parenthesis or bracket should be at the start of an `ExpressionStatement`, a `MethodDefinition` or at + * the start of the body of an `ArrowFunctionExpression`. + * @type {(sourceCode: SourceCode, node: ASTNode) => boolean} + * @param {SourceCode} sourceCode The source code object. + * @param {ASTNode} node A node at the position where an opening parenthesis or bracket will be inserted. + * @returns {boolean} Whether a semicolon is required before the opening parenthesis or bracket. + */ +let needsPrecedingSemicolon; + +{ + const BREAK_OR_CONTINUE = new Set(["BreakStatement", "ContinueStatement"]); + + // Declaration types that cannot be continued by a punctuator when ending with a string Literal that is a direct child. + const DECLARATIONS = new Set([ + "ExportAllDeclaration", + "ExportNamedDeclaration", + "ImportDeclaration", + ]); + + const IDENTIFIER_OR_KEYWORD = new Set(["Identifier", "Keyword"]); + + // Keywords that can immediately precede an ExpressionStatement node, mapped to the their node types. + const NODE_TYPES_BY_KEYWORD = { + __proto__: null, + break: "BreakStatement", + continue: "ContinueStatement", + debugger: "DebuggerStatement", + do: "DoWhileStatement", + else: "IfStatement", + return: "ReturnStatement", + yield: "YieldExpression", + }; + + /* + * Before an opening parenthesis, postfix `++` and `--` always trigger ASI; + * the tokens `:`, `;`, `{` and `=>` don't expect a semicolon, as that would count as an empty statement. + */ + const PUNCTUATORS = new Set([":", ";", "{", "=>", "++", "--"]); + + /* + * Statements that can contain an `ExpressionStatement` after a closing parenthesis. + * DoWhileStatement is an exception in that it always triggers ASI after the closing parenthesis. + */ + const STATEMENTS = new Set([ + "DoWhileStatement", + "ForInStatement", + "ForOfStatement", + "ForStatement", + "IfStatement", + "WhileStatement", + "WithStatement", + ]); + + const TS_TYPE_NODE_TYPES = new Set([ + "TSAsExpression", + "TSSatisfiesExpression", + "TSTypeAliasDeclaration", + "TSTypeAnnotation", + ]); + + /** + * Determines whether a specified node is inside a TypeScript type context. + * @param {ASTNode} node The node to check. + * @returns {boolean} Whether the node is inside a TypeScript type context. + */ + function isInType(node) { + for (let currNode = node; ; ) { + const { parent } = currNode; + if (!parent) { + break; + } + if ( + TS_TYPE_NODE_TYPES.has(parent.type) && + currNode === parent.typeAnnotation + ) { + return true; + } + currNode = parent; + } + return false; + } + + needsPrecedingSemicolon = function (sourceCode, node) { + const prevToken = sourceCode.getTokenBefore(node); + + if ( + !prevToken || + (prevToken.type === "Punctuator" && + PUNCTUATORS.has(prevToken.value)) + ) { + return false; + } + + const prevNode = sourceCode.getNodeByRangeIndex(prevToken.range[0]); + + if ( + prevNode.type === "TSDeclareFunction" || + prevNode.parent.type === "TSImportEqualsDeclaration" || + prevNode.parent.parent?.type === "TSImportEqualsDeclaration" || + TS_TYPE_NODE_TYPES.has(prevNode.type) || + isInType(prevNode) + ) { + return false; + } + + if (isClosingParenToken(prevToken)) { + return !STATEMENTS.has(prevNode.type); + } + + if (isClosingBraceToken(prevToken)) { + return ( + (prevNode.type === "BlockStatement" && + prevNode.parent.type === "FunctionExpression" && + prevNode.parent.parent.type !== "MethodDefinition") || + (prevNode.type === "ClassBody" && + prevNode.parent.type === "ClassExpression") || + prevNode.type === "ObjectExpression" + ); + } + + if (IDENTIFIER_OR_KEYWORD.has(prevToken.type)) { + if ( + prevNode.parent.type === "VariableDeclarator" && + !prevNode.parent.init + ) { + return false; + } + if (BREAK_OR_CONTINUE.has(prevNode.parent.type)) { + return false; + } + + const keyword = prevToken.value; + const nodeType = NODE_TYPES_BY_KEYWORD[keyword]; + + return prevNode.type !== nodeType; + } + + if (prevToken.type === "String") { + return !DECLARATIONS.has(prevNode.parent.type); + } + + return true; + }; +} + +/** + * Checks if a node is used as an import attribute key, either in a static or dynamic import. + * @param {ASTNode} node The node to check. + * @returns {boolean} Whether the node is used as an import attribute key. + */ +function isImportAttributeKey(node) { + const { parent } = node; + + // static import/re-export + if (parent.type === "ImportAttribute" && parent.key === node) { + return true; + } + + // dynamic import + if ( + parent.type === "Property" && + !parent.computed && + (parent.key === node || + (parent.value === node && parent.shorthand && !parent.method)) && + parent.parent.type === "ObjectExpression" + ) { + const objectExpression = parent.parent; + const objectExpressionParent = objectExpression.parent; + + if ( + objectExpressionParent.type === "ImportExpression" && + objectExpressionParent.options === objectExpression + ) { + return true; + } + + // nested key + if ( + objectExpressionParent.type === "Property" && + objectExpressionParent.value === objectExpression + ) { + return isImportAttributeKey(objectExpressionParent.key); + } + } + + return false; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = { + COMMENTS_IGNORE_PATTERN, + LINEBREAKS, + LINEBREAK_MATCHER: lineBreakPattern, + SHEBANG_MATCHER: shebangPattern, + STATEMENT_LIST_PARENTS, + ECMASCRIPT_GLOBALS, + + /** + * Determines whether two adjacent tokens are on the same line. + * @param {Object} left The left token object. + * @param {Object} right The right token object. + * @returns {boolean} Whether or not the tokens are on the same line. + * @public + */ + isTokenOnSameLine(left, right) { + return left.loc.end.line === right.loc.start.line; + }, + + isNullOrUndefined, + isCallee, + isES5Constructor, + getUpperFunction, + isFunction, + isLoop, + isInLoop, + isArrayFromMethod, + isParenthesised, + createGlobalLinebreakMatcher, + equalTokens, + + isArrowToken, + isClosingBraceToken, + isClosingBracketToken, + isClosingParenToken, + isColonToken, + isCommaToken, + isCommentToken, + isDotToken, + isQuestionDotToken, + isKeywordToken, + isNotClosingBraceToken: negate(isClosingBraceToken), + isNotClosingBracketToken: negate(isClosingBracketToken), + isNotClosingParenToken: negate(isClosingParenToken), + isNotColonToken: negate(isColonToken), + isNotCommaToken: negate(isCommaToken), + isNotDotToken: negate(isDotToken), + isNotQuestionDotToken: negate(isQuestionDotToken), + isNotOpeningBraceToken: negate(isOpeningBraceToken), + isNotOpeningBracketToken: negate(isOpeningBracketToken), + isNotOpeningParenToken: negate(isOpeningParenToken), + isNotSemicolonToken: negate(isSemicolonToken), + isOpeningBraceToken, + isOpeningBracketToken, + isOpeningParenToken, + isSemicolonToken, + isEqToken, + + /** + * Checks whether or not a given node is a string literal. + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is a string literal. + */ + isStringLiteral(node) { + return ( + (node.type === "Literal" && typeof node.value === "string") || + node.type === "TemplateLiteral" + ); + }, + + /** + * Checks whether a given node is a breakable statement or not. + * The node is breakable if the node is one of the following type: + * + * - DoWhileStatement + * - ForInStatement + * - ForOfStatement + * - ForStatement + * - SwitchStatement + * - WhileStatement + * @param {ASTNode} node A node to check. + * @returns {boolean} `true` if the node is breakable. + */ + isBreakableStatement(node) { + return breakableTypePattern.test(node.type); + }, + + /** + * Gets references which are non initializer and writable. + * @param {Reference[]} references An array of references. + * @returns {Reference[]} An array of only references which are non initializer and writable. + * @public + */ + getModifyingReferences(references) { + return references.filter(isModifyingReference); + }, + + /** + * Validate that a string passed in is surrounded by the specified character + * @param {string} val The text to check. + * @param {string} character The character to see if it's surrounded by. + * @returns {boolean} True if the text is surrounded by the character, false if not. + * @private + */ + isSurroundedBy(val, character) { + return val[0] === character && val.at(-1) === character; + }, + + /** + * Returns whether the provided node is an ESLint directive comment or not + * @param {Line|Block} node The comment token to be checked + * @returns {boolean} `true` if the node is an ESLint directive comment + */ + isDirectiveComment(node) { + const comment = node.value.trim(); + + return ( + (node.type === "Line" && comment.startsWith("eslint-")) || + (node.type === "Block" && ESLINT_DIRECTIVE_PATTERN.test(comment)) + ); + }, + + /** + * Gets the trailing statement of a given node. + * + * if (code) + * consequent; + * + * When taking this `IfStatement`, returns `consequent;` statement. + * @param {ASTNode} A node to get. + * @returns {ASTNode|null} The trailing statement's node. + */ + getTrailingStatement: esutils.ast.trailingStatement, + + /** + * Finds the variable by a given name in a given scope and its upper scopes. + * @param {eslint-scope.Scope} initScope A scope to start find. + * @param {string} name A variable name to find. + * @returns {eslint-scope.Variable|null} A found variable or `null`. + */ + getVariableByName(initScope, name) { + let scope = initScope; + + while (scope) { + const variable = scope.set.get(name); + + if (variable) { + return variable; + } + + scope = scope.upper; + } + + return null; + }, + + /** + * Checks whether or not a given function node is the default `this` binding. + * + * First, this checks the node: + * + * - The given node is not in `PropertyDefinition#value` position. + * - The given node is not `StaticBlock`. + * - The function name does not start with uppercase. It's a convention to capitalize the names + * of constructor functions. This check is not performed if `capIsConstructor` is set to `false`. + * - The function does not have a JSDoc comment that has a @this tag. + * + * Next, this checks the location of the node. + * If the location is below, this judges `this` is valid. + * + * - The location is not on an object literal. + * - The location is not assigned to a variable which starts with an uppercase letter. Applies to anonymous + * functions only, as the name of the variable is considered to be the name of the function in this case. + * This check is not performed if `capIsConstructor` is set to `false`. + * - The location is not on an ES2015 class. + * - Its `bind`/`call`/`apply` method is not called directly. + * - The function is not a callback of array methods (such as `.forEach()`) if `thisArg` is given. + * @param {ASTNode} node A function node to check. It also can be an implicit function, like `StaticBlock` + * or any expression that is `PropertyDefinition#value` node. + * @param {SourceCode} sourceCode A SourceCode instance to get comments. + * @param {boolean} [capIsConstructor = true] `false` disables the assumption that functions which name starts + * with an uppercase or are assigned to a variable which name starts with an uppercase are constructors. + * @returns {boolean} The function node is the default `this` binding. + */ + isDefaultThisBinding(node, sourceCode, { capIsConstructor = true } = {}) { + /* + * Class field initializers are implicit functions, but ESTree doesn't have the AST node of field initializers. + * Therefore, A expression node at `PropertyDefinition#value` is a function. + * In this case, `this` is always not default binding. + */ + if ( + node.parent.type === "PropertyDefinition" && + node.parent.value === node + ) { + return false; + } + + // Class static blocks are implicit functions. In this case, `this` is always not default binding. + if (node.type === "StaticBlock") { + return false; + } + + // Check if the function has a parameter named `this`. + if ( + (node.type === "FunctionDeclaration" || + node.type === "FunctionExpression") && + node.params.some( + param => param.type === "Identifier" && param.name === "this", + ) + ) { + return false; + } + + if ( + (capIsConstructor && isES5Constructor(node)) || + hasJSDocThisTag(node, sourceCode) + ) { + return false; + } + const isAnonymous = node.id === null; + let currentNode = node; + + while (currentNode) { + const parent = currentNode.parent; + + switch (parent.type) { + /* + * Looks up the destination. + * e.g., obj.foo = nativeFoo || function foo() { ... }; + */ + case "LogicalExpression": + case "ConditionalExpression": + case "ChainExpression": + currentNode = parent; + break; + + /* + * If the upper function is IIFE, checks the destination of the return value. + * e.g. + * obj.foo = (function() { + * // setup... + * return function foo() { ... }; + * })(); + * obj.foo = (() => + * function foo() { ... } + * )(); + */ + case "ReturnStatement": { + const func = getUpperFunction(parent); + + if (func === null || !isCallee(func)) { + return true; + } + currentNode = func.parent; + break; + } + case "ArrowFunctionExpression": + if (currentNode !== parent.body || !isCallee(parent)) { + return true; + } + currentNode = parent.parent; + break; + + /* + * e.g. + * var obj = { foo() { ... } }; + * var obj = { foo: function() { ... } }; + * class A { constructor() { ... } } + * class A { foo() { ... } } + * class A { get foo() { ... } } + * class A { set foo() { ... } } + * class A { static foo() { ... } } + * class A { foo = function() { ... } } + */ + case "Property": + case "PropertyDefinition": + case "MethodDefinition": + return parent.value !== currentNode; + + /* + * e.g. + * obj.foo = function foo() { ... }; + * Foo = function() { ... }; + * [obj.foo = function foo() { ... }] = a; + * [Foo = function() { ... }] = a; + */ + case "AssignmentExpression": + case "AssignmentPattern": + if (parent.left.type === "MemberExpression") { + return false; + } + if ( + capIsConstructor && + isAnonymous && + parent.left.type === "Identifier" && + startsWithUpperCase(parent.left.name) + ) { + return false; + } + return true; + + /* + * e.g. + * var Foo = function() { ... }; + */ + case "VariableDeclarator": + return !( + capIsConstructor && + isAnonymous && + parent.init === currentNode && + parent.id.type === "Identifier" && + startsWithUpperCase(parent.id.name) + ); + + /* + * e.g. + * var foo = function foo() { ... }.bind(obj); + * (function foo() { ... }).call(obj); + * (function foo() { ... }).apply(obj, []); + */ + case "MemberExpression": + if ( + parent.object === currentNode && + isSpecificMemberAccess( + parent, + null, + bindOrCallOrApplyPattern, + ) + ) { + const maybeCalleeNode = + parent.parent.type === "ChainExpression" + ? parent.parent + : parent; + + return !( + isCallee(maybeCalleeNode) && + maybeCalleeNode.parent.arguments.length >= 1 && + !isNullOrUndefined( + maybeCalleeNode.parent.arguments[0], + ) + ); + } + return true; + + /* + * e.g. + * Reflect.apply(function() {}, obj, []); + * Array.from([], function() {}, obj); + * list.forEach(function() {}, obj); + */ + case "CallExpression": + if (isReflectApply(parent.callee)) { + return ( + parent.arguments.length !== 3 || + parent.arguments[0] !== currentNode || + isNullOrUndefined(parent.arguments[1]) + ); + } + if (isArrayFromMethod(parent.callee)) { + return ( + parent.arguments.length !== 3 || + parent.arguments[1] !== currentNode || + isNullOrUndefined(parent.arguments[2]) + ); + } + if (isMethodWhichHasThisArg(parent.callee)) { + return ( + parent.arguments.length !== 2 || + parent.arguments[0] !== currentNode || + isNullOrUndefined(parent.arguments[1]) + ); + } + return true; + + // Otherwise `this` is default. + default: + return true; + } + } + + /* c8 ignore next */ + return true; + }, + + /** + * Get the precedence level based on the node type + * @param {ASTNode} node node to evaluate + * @returns {number} precedence level + * @private + */ + getPrecedence(node) { + switch (node.type) { + case "SequenceExpression": + return 0; + + case "AssignmentExpression": + case "ArrowFunctionExpression": + case "YieldExpression": + return 1; + + case "ConditionalExpression": + return 3; + + case "LogicalExpression": + switch (node.operator) { + case "||": + case "??": + return 4; + case "&&": + return 5; + + // no default + } + + /* falls through */ + + case "BinaryExpression": + switch (node.operator) { + case "|": + return 6; + case "^": + return 7; + case "&": + return 8; + case "==": + case "!=": + case "===": + case "!==": + return 9; + case "<": + case "<=": + case ">": + case ">=": + case "in": + case "instanceof": + return 10; + case "<<": + case ">>": + case ">>>": + return 11; + case "+": + case "-": + return 12; + case "*": + case "/": + case "%": + return 13; + case "**": + return 15; + + // no default + } + + /* falls through */ + + case "UnaryExpression": + case "AwaitExpression": + return 16; + + case "UpdateExpression": + return 17; + + case "CallExpression": + case "ChainExpression": + case "ImportExpression": + return 18; + + case "NewExpression": + return 19; + + default: + if (node.type in eslintVisitorKeys) { + return 20; + } + + /* + * if the node is not a standard node that we know about, then assume it has the lowest precedence + * this will mean that rules will wrap unknown nodes in parentheses where applicable instead of + * unwrapping them and potentially changing the meaning of the code or introducing a syntax error. + */ + return -1; + } + }, + + /** + * Checks whether the given node is an empty block node or not. + * @param {ASTNode|null} node The node to check. + * @returns {boolean} `true` if the node is an empty block. + */ + isEmptyBlock(node) { + return Boolean( + node && node.type === "BlockStatement" && node.body.length === 0, + ); + }, + + /** + * Checks whether the given node is an empty function node or not. + * @param {ASTNode|null} node The node to check. + * @returns {boolean} `true` if the node is an empty function. + */ + isEmptyFunction(node) { + return isFunction(node) && module.exports.isEmptyBlock(node.body); + }, + + /** + * Get directives from directive prologue of a Program or Function node. + * @param {ASTNode} node The node to check. + * @returns {ASTNode[]} The directives found in the directive prologue. + */ + getDirectivePrologue(node) { + const directives = []; + + // Directive prologues only occur at the top of files or functions. + if ( + node.type === "Program" || + node.type === "FunctionDeclaration" || + node.type === "FunctionExpression" || + /* + * Do not check arrow functions with implicit return. + * `() => "use strict";` returns the string `"use strict"`. + */ + (node.type === "ArrowFunctionExpression" && + node.body.type === "BlockStatement") + ) { + const statements = + node.type === "Program" ? node.body : node.body.body; + + for (const statement of statements) { + if ( + statement.type === "ExpressionStatement" && + statement.expression.type === "Literal" + ) { + directives.push(statement); + } else { + break; + } + } + } + + return directives; + }, + + /** + * Determines whether this node is a decimal integer literal. If a node is a decimal integer literal, a dot added + * after the node will be parsed as a decimal point, rather than a property-access dot. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if this node is a decimal integer. + * @example + * + * 0 // true + * 5 // true + * 50 // true + * 5_000 // true + * 1_234_56 // true + * 08 // true + * 0192 // true + * 5. // false + * .5 // false + * 5.0 // false + * 5.00_00 // false + * 05 // false + * 0x5 // false + * 0b101 // false + * 0b11_01 // false + * 0o5 // false + * 5e0 // false + * 5e1_000 // false + * 5n // false + * 1_000n // false + * "5" // false + * + */ + isDecimalInteger(node) { + return ( + node.type === "Literal" && + typeof node.value === "number" && + DECIMAL_INTEGER_PATTERN.test(node.raw) + ); + }, + + /** + * Determines whether this token is a decimal integer numeric token. + * This is similar to isDecimalInteger(), but for tokens. + * @param {Token} token The token to check. + * @returns {boolean} `true` if this token is a decimal integer. + */ + isDecimalIntegerNumericToken(token) { + return ( + token.type === "Numeric" && + DECIMAL_INTEGER_PATTERN.test(token.value) + ); + }, + + /** + * Gets the name and kind of the given function node. + * + * - `function foo() {}` .................... `function 'foo'` + * - `(function foo() {})` .................. `function 'foo'` + * - `(function() {})` ...................... `function` + * - `function* foo() {}` ................... `generator function 'foo'` + * - `(function* foo() {})` ................. `generator function 'foo'` + * - `(function*() {})` ..................... `generator function` + * - `() => {}` ............................. `arrow function` + * - `async () => {}` ....................... `async arrow function` + * - `({ foo: function foo() {} })` ......... `method 'foo'` + * - `({ foo: function() {} })` ............. `method 'foo'` + * - `({ ['foo']: function() {} })` ......... `method 'foo'` + * - `({ [foo]: function() {} })` ........... `method` + * - `({ foo() {} })` ....................... `method 'foo'` + * - `({ foo: function* foo() {} })` ........ `generator method 'foo'` + * - `({ foo: function*() {} })` ............ `generator method 'foo'` + * - `({ ['foo']: function*() {} })` ........ `generator method 'foo'` + * - `({ [foo]: function*() {} })` .......... `generator method` + * - `({ *foo() {} })` ...................... `generator method 'foo'` + * - `({ foo: async function foo() {} })` ... `async method 'foo'` + * - `({ foo: async function() {} })` ....... `async method 'foo'` + * - `({ ['foo']: async function() {} })` ... `async method 'foo'` + * - `({ [foo]: async function() {} })` ..... `async method` + * - `({ async foo() {} })` ................. `async method 'foo'` + * - `({ get foo() {} })` ................... `getter 'foo'` + * - `({ set foo(a) {} })` .................. `setter 'foo'` + * - `class A { constructor() {} }` ......... `constructor` + * - `class A { foo() {} }` ................. `method 'foo'` + * - `class A { *foo() {} }` ................ `generator method 'foo'` + * - `class A { async foo() {} }` ........... `async method 'foo'` + * - `class A { ['foo']() {} }` ............. `method 'foo'` + * - `class A { *['foo']() {} }` ............ `generator method 'foo'` + * - `class A { async ['foo']() {} }` ....... `async method 'foo'` + * - `class A { [foo]() {} }` ............... `method` + * - `class A { *[foo]() {} }` .............. `generator method` + * - `class A { async [foo]() {} }` ......... `async method` + * - `class A { get foo() {} }` ............. `getter 'foo'` + * - `class A { set foo(a) {} }` ............ `setter 'foo'` + * - `class A { static foo() {} }` .......... `static method 'foo'` + * - `class A { static *foo() {} }` ......... `static generator method 'foo'` + * - `class A { static async foo() {} }` .... `static async method 'foo'` + * - `class A { static get foo() {} }` ...... `static getter 'foo'` + * - `class A { static set foo(a) {} }` ..... `static setter 'foo'` + * - `class A { foo = () => {}; }` .......... `method 'foo'` + * - `class A { foo = function() {}; }` ..... `method 'foo'` + * - `class A { foo = function bar() {}; }` . `method 'foo'` + * - `class A { static foo = () => {}; }` ... `static method 'foo'` + * - `class A { '#foo' = () => {}; }` ....... `method '#foo'` + * - `class A { #foo = () => {}; }` ......... `private method #foo` + * - `class A { static #foo = () => {}; }` .. `static private method #foo` + * - `class A { '#foo'() {} }` .............. `method '#foo'` + * - `class A { #foo() {} }` ................ `private method #foo` + * - `class A { static #foo() {} }` ......... `static private method #foo` + * @param {ASTNode} node The function node to get. + * @returns {string} The name and kind of the function node. + */ + getFunctionNameWithKind(node) { + const parent = node.parent; + const tokens = []; + + if ( + parent.type === "MethodDefinition" || + parent.type === "PropertyDefinition" || + node.type === "TSPropertySignature" || + node.type === "TSMethodSignature" + ) { + // The proposal uses `static` word consistently before visibility words: https://github.com/tc39/proposal-static-class-features + if (parent.static) { + tokens.push("static"); + } + if (!parent.computed && parent.key?.type === "PrivateIdentifier") { + tokens.push("private"); + } + } + if (node.async) { + tokens.push("async"); + } + if (node.generator) { + tokens.push("generator"); + } + + if (parent.type === "Property" || parent.type === "MethodDefinition") { + if (parent.kind === "constructor") { + return "constructor"; + } + if (parent.kind === "get") { + tokens.push("getter"); + } else if (parent.kind === "set") { + tokens.push("setter"); + } else { + tokens.push("method"); + } + } else if (node.type === "TSMethodSignature") { + if (node.kind === "get") { + tokens.push("getter"); + } else if (node.kind === "set") { + tokens.push("setter"); + } else { + tokens.push("method"); + } + } else if (parent.type === "PropertyDefinition") { + tokens.push("method"); + } else { + if (node.type === "ArrowFunctionExpression") { + tokens.push("arrow"); + } + tokens.push("function"); + } + + if ( + parent.type === "Property" || + parent.type === "MethodDefinition" || + parent.type === "PropertyDefinition" + ) { + if (!parent.computed && parent.key.type === "PrivateIdentifier") { + tokens.push(`#${parent.key.name}`); + } else { + const name = getStaticPropertyName(parent); + + if (name !== null) { + tokens.push(`'${name}'`); + } else if (node.id) { + tokens.push(`'${node.id.name}'`); + } + } + } else if (node.type === "TSMethodSignature") { + tokens.push(`'${getStaticPropertyName(node)}'`); + } else if (node.id) { + tokens.push(`'${node.id.name}'`); + } + + return tokens.join(" "); + }, + + /** + * Gets the location of the given function node for reporting. + * + * - `function foo() {}` + * ^^^^^^^^^^^^ + * - `(function foo() {})` + * ^^^^^^^^^^^^ + * - `(function() {})` + * ^^^^^^^^ + * - `function* foo() {}` + * ^^^^^^^^^^^^^ + * - `(function* foo() {})` + * ^^^^^^^^^^^^^ + * - `(function*() {})` + * ^^^^^^^^^ + * - `() => {}` + * ^^ + * - `async () => {}` + * ^^ + * - `({ foo: function foo() {} })` + * ^^^^^^^^^^^^^^^^^ + * - `({ foo: function() {} })` + * ^^^^^^^^^^^^^ + * - `({ ['foo']: function() {} })` + * ^^^^^^^^^^^^^^^^^ + * - `({ [foo]: function() {} })` + * ^^^^^^^^^^^^^^^ + * - `({ foo() {} })` + * ^^^ + * - `({ foo: function* foo() {} })` + * ^^^^^^^^^^^^^^^^^^ + * - `({ foo: function*() {} })` + * ^^^^^^^^^^^^^^ + * - `({ ['foo']: function*() {} })` + * ^^^^^^^^^^^^^^^^^^ + * - `({ [foo]: function*() {} })` + * ^^^^^^^^^^^^^^^^ + * - `({ *foo() {} })` + * ^^^^ + * - `({ foo: async function foo() {} })` + * ^^^^^^^^^^^^^^^^^^^^^^^ + * - `({ foo: async function() {} })` + * ^^^^^^^^^^^^^^^^^^^ + * - `({ ['foo']: async function() {} })` + * ^^^^^^^^^^^^^^^^^^^^^^^ + * - `({ [foo]: async function() {} })` + * ^^^^^^^^^^^^^^^^^^^^^ + * - `({ async foo() {} })` + * ^^^^^^^^^ + * - `({ get foo() {} })` + * ^^^^^^^ + * - `({ set foo(a) {} })` + * ^^^^^^^ + * - `class A { constructor() {} }` + * ^^^^^^^^^^^ + * - `class A { foo() {} }` + * ^^^ + * - `class A { *foo() {} }` + * ^^^^ + * - `class A { async foo() {} }` + * ^^^^^^^^^ + * - `class A { ['foo']() {} }` + * ^^^^^^^ + * - `class A { *['foo']() {} }` + * ^^^^^^^^ + * - `class A { async ['foo']() {} }` + * ^^^^^^^^^^^^^ + * - `class A { [foo]() {} }` + * ^^^^^ + * - `class A { *[foo]() {} }` + * ^^^^^^ + * - `class A { async [foo]() {} }` + * ^^^^^^^^^^^ + * - `class A { get foo() {} }` + * ^^^^^^^ + * - `class A { set foo(a) {} }` + * ^^^^^^^ + * - `class A { static foo() {} }` + * ^^^^^^^^^^ + * - `class A { static *foo() {} }` + * ^^^^^^^^^^^ + * - `class A { static async foo() {} }` + * ^^^^^^^^^^^^^^^^ + * - `class A { static get foo() {} }` + * ^^^^^^^^^^^^^^ + * - `class A { static set foo(a) {} }` + * ^^^^^^^^^^^^^^ + * - `class A { foo = function() {} }` + * ^^^^^^^^^^^^^^ + * - `class A { static foo = function() {} }` + * ^^^^^^^^^^^^^^^^^^^^^ + * - `class A { foo = (a, b) => {} }` + * ^^^^^^ + * @param {ASTNode} node The function node to get. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {string} The location of the function node for reporting. + */ + getFunctionHeadLoc(node, sourceCode) { + const parent = node.parent; + let start; + let end; + + if ( + parent.type === "Property" || + parent.type === "MethodDefinition" || + parent.type === "PropertyDefinition" || + parent.type === "TSPropertySignature" || + parent.type === "TSMethodSignature" + ) { + start = parent.loc.start; + end = getOpeningParenOfParams(node, sourceCode).loc.start; + } else if (node.type === "ArrowFunctionExpression") { + const arrowToken = sourceCode.getTokenBefore( + node.body, + isArrowToken, + ); + + start = arrowToken.loc.start; + end = arrowToken.loc.end; + } else { + start = node.loc.start; + end = getOpeningParenOfParams(node, sourceCode).loc.start; + } + + return { + start: Object.assign({}, start), + end: Object.assign({}, end), + }; + }, + + /** + * Gets next location when the result is not out of bound, otherwise returns null. + * + * Assumptions: + * + * - The given location represents a valid location in the given source code. + * - Columns are 0-based. + * - Lines are 1-based. + * - Column immediately after the last character in a line (not incl. linebreaks) is considered to be a valid location. + * - If the source code ends with a linebreak, `sourceCode.lines` array will have an extra element (empty string) at the end. + * The start (column 0) of that extra line is considered to be a valid location. + * + * Examples of successive locations (line, column): + * + * code: foo + * locations: (1, 0) -> (1, 1) -> (1, 2) -> (1, 3) -> null + * + * code: foo + * locations: (1, 0) -> (1, 1) -> (1, 2) -> (1, 3) -> (2, 0) -> null + * + * code: foo + * locations: (1, 0) -> (1, 1) -> (1, 2) -> (1, 3) -> (2, 0) -> null + * + * code: ab + * locations: (1, 0) -> (1, 1) -> (2, 0) -> (2, 1) -> null + * + * code: ab + * locations: (1, 0) -> (1, 1) -> (2, 0) -> (2, 1) -> (3, 0) -> null + * + * code: ab + * locations: (1, 0) -> (1, 1) -> (2, 0) -> (2, 1) -> (3, 0) -> null + * + * code: a + * locations: (1, 0) -> (1, 1) -> (2, 0) -> (3, 0) -> null + * + * code: + * locations: (1, 0) -> (2, 0) -> null + * + * code: + * locations: (1, 0) -> null + * @param {SourceCode} sourceCode The sourceCode + * @param {{line: number, column: number}} location The location + * @returns {{line: number, column: number} | null} Next location + */ + getNextLocation(sourceCode, { line, column }) { + if (column < sourceCode.lines[line - 1].length) { + return { + line, + column: column + 1, + }; + } + + if (line < sourceCode.lines.length) { + return { + line: line + 1, + column: 0, + }; + } + + return null; + }, + + /** + * Gets the parenthesized text of a node. This is similar to sourceCode.getText(node), but it also includes any parentheses + * surrounding the node. + * @param {SourceCode} sourceCode The source code object + * @param {ASTNode} node An expression node + * @returns {string} The text representing the node, with all surrounding parentheses included + */ + getParenthesisedText(sourceCode, node) { + let leftToken = sourceCode.getFirstToken(node); + let rightToken = sourceCode.getLastToken(node); + + while ( + sourceCode.getTokenBefore(leftToken) && + sourceCode.getTokenBefore(leftToken).type === "Punctuator" && + sourceCode.getTokenBefore(leftToken).value === "(" && + sourceCode.getTokenAfter(rightToken) && + sourceCode.getTokenAfter(rightToken).type === "Punctuator" && + sourceCode.getTokenAfter(rightToken).value === ")" + ) { + leftToken = sourceCode.getTokenBefore(leftToken); + rightToken = sourceCode.getTokenAfter(rightToken); + } + + return sourceCode + .getText() + .slice(leftToken.range[0], rightToken.range[1]); + }, + + /** + * Determine if a node has a possibility to be an Error object + * @param {ASTNode} node ASTNode to check + * @returns {boolean} True if there is a chance it contains an Error obj + */ + couldBeError(node) { + switch (node.type) { + case "Identifier": + case "CallExpression": + case "NewExpression": + case "MemberExpression": + case "TaggedTemplateExpression": + case "YieldExpression": + case "AwaitExpression": + case "ChainExpression": + return true; // possibly an error object. + + case "AssignmentExpression": + if (["=", "&&="].includes(node.operator)) { + return module.exports.couldBeError(node.right); + } + + if (["||=", "??="].includes(node.operator)) { + return ( + module.exports.couldBeError(node.left) || + module.exports.couldBeError(node.right) + ); + } + + /** + * All other assignment operators are mathematical assignment operators (arithmetic or bitwise). + * An assignment expression with a mathematical operator can either evaluate to a primitive value, + * or throw, depending on the operands. Thus, it cannot evaluate to an `Error` object. + */ + return false; + + case "SequenceExpression": { + const exprs = node.expressions; + + return ( + exprs.length !== 0 && + module.exports.couldBeError(exprs.at(-1)) + ); + } + + case "LogicalExpression": + /* + * If the && operator short-circuits, the left side was falsy and therefore not an error, and if it + * doesn't short-circuit, it takes the value from the right side, so the right side must always be + * a plausible error. A future improvement could verify that the left side could be truthy by + * excluding falsy literals. + */ + if (node.operator === "&&") { + return module.exports.couldBeError(node.right); + } + + return ( + module.exports.couldBeError(node.left) || + module.exports.couldBeError(node.right) + ); + + case "ConditionalExpression": + return ( + module.exports.couldBeError(node.consequent) || + module.exports.couldBeError(node.alternate) + ); + + default: + return false; + } + }, + + /** + * Check if a given node is a numeric literal or not. + * @param {ASTNode} node The node to check. + * @returns {boolean} `true` if the node is a number or bigint literal. + */ + isNumericLiteral(node) { + return ( + node.type === "Literal" && + (typeof node.value === "number" || Boolean(node.bigint)) + ); + }, + + /** + * Determines whether two tokens can safely be placed next to each other without merging into a single token + * @param {Token|string} leftValue The left token. If this is a string, it will be tokenized and the last token will be used. + * @param {Token|string} rightValue The right token. If this is a string, it will be tokenized and the first token will be used. + * @returns {boolean} If the tokens cannot be safely placed next to each other, returns `false`. If the tokens can be placed + * next to each other, behavior is undefined (although it should return `true` in most cases). + */ + canTokensBeAdjacent(leftValue, rightValue) { + const espreeOptions = { + ecmaVersion: espree.latestEcmaVersion, + comment: true, + range: true, + }; + + let leftToken; + + if (typeof leftValue === "string") { + let tokens; + + try { + tokens = espree.tokenize(leftValue, espreeOptions); + } catch { + return false; + } + + const comments = tokens.comments; + + leftToken = tokens.at(-1); + if (comments.length) { + const lastComment = comments.at(-1); + + if (!leftToken || lastComment.range[0] > leftToken.range[0]) { + leftToken = lastComment; + } + } + } else { + leftToken = leftValue; + } + + /* + * If a hashbang comment was passed as a token object from SourceCode, + * its type will be "Shebang" because of the way ESLint itself handles hashbangs. + * If a hashbang comment was passed in a string and then tokenized in this function, + * its type will be "Hashbang" because of the way Espree tokenizes hashbangs. + */ + if (leftToken.type === "Shebang" || leftToken.type === "Hashbang") { + return false; + } + + let rightToken; + + if (typeof rightValue === "string") { + let tokens; + + try { + tokens = espree.tokenize(rightValue, espreeOptions); + } catch { + return false; + } + + const comments = tokens.comments; + + rightToken = tokens[0]; + if (comments.length) { + const firstComment = comments[0]; + + if ( + !rightToken || + firstComment.range[0] < rightToken.range[0] + ) { + rightToken = firstComment; + } + } + } else { + rightToken = rightValue; + } + + if ( + leftToken.type === "Punctuator" || + rightToken.type === "Punctuator" + ) { + if ( + leftToken.type === "Punctuator" && + rightToken.type === "Punctuator" + ) { + const PLUS_TOKENS = new Set(["+", "++"]); + const MINUS_TOKENS = new Set(["-", "--"]); + + return !( + (PLUS_TOKENS.has(leftToken.value) && + PLUS_TOKENS.has(rightToken.value)) || + (MINUS_TOKENS.has(leftToken.value) && + MINUS_TOKENS.has(rightToken.value)) + ); + } + if (leftToken.type === "Punctuator" && leftToken.value === "/") { + return !["Block", "Line", "RegularExpression"].includes( + rightToken.type, + ); + } + return true; + } + + if ( + leftToken.type === "String" || + rightToken.type === "String" || + leftToken.type === "Template" || + rightToken.type === "Template" + ) { + return true; + } + + if ( + leftToken.type !== "Numeric" && + rightToken.type === "Numeric" && + rightToken.value.startsWith(".") + ) { + return true; + } + + if ( + leftToken.type === "Block" || + rightToken.type === "Block" || + rightToken.type === "Line" + ) { + return true; + } + + if (rightToken.type === "PrivateIdentifier") { + return true; + } + + return false; + }, + + /** + * Get the `loc` object of a given name in a `/*globals` directive comment. + * @param {SourceCode} sourceCode The source code to convert index to loc. + * @param {Comment} comment The `/*globals` directive comment which include the name. + * @param {string} name The name to find. + * @returns {SourceLocation} The `loc` object. + */ + getNameLocationInGlobalDirectiveComment(sourceCode, comment, name) { + const namePattern = new RegExp( + `[\\s,]${escapeRegExp(name)}(?:$|[\\s,:])`, + "gu", + ); + + // To ignore the first text "global". + namePattern.lastIndex = comment.value.indexOf("global") + 6; + + // Search a given variable name. + const match = namePattern.exec(comment.value); + + // Convert the index to loc. + const start = sourceCode.getLocFromIndex( + comment.range[0] + "/*".length + (match ? match.index + 1 : 0), + ); + const end = { + line: start.line, + column: start.column + (match ? name.length : 1), + }; + + return { start, end }; + }, + + /** + * Determines whether the given raw string contains an octal escape sequence + * or a non-octal decimal escape sequence ("\8", "\9"). + * + * "\1", "\2" ... "\7", "\8", "\9" + * "\00", "\01" ... "\07", "\08", "\09" + * + * "\0", when not followed by a digit, is not an octal escape sequence. + * @param {string} rawString A string in its raw representation. + * @returns {boolean} `true` if the string contains at least one octal escape sequence + * or at least one non-octal decimal escape sequence. + */ + hasOctalOrNonOctalDecimalEscapeSequence(rawString) { + return OCTAL_OR_NON_OCTAL_DECIMAL_ESCAPE_PATTERN.test(rawString); + }, + + /** + * Determines whether the given node is a template literal without expressions. + * @param {ASTNode} node Node to check. + * @returns {boolean} True if the node is a template literal without expressions. + */ + isStaticTemplateLiteral(node) { + return node.type === "TemplateLiteral" && node.expressions.length === 0; + }, + + /** + * Determines whether the existing curly braces around the single statement are necessary to preserve the semantics of the code. + * The braces, which make the given block body, are necessary in either of the following situations: + * + * 1. The statement is a lexical declaration. + * 2. Without the braces, an `if` within the statement would become associated with an `else` after the closing brace: + * + * if (a) { + * if (b) + * foo(); + * } + * else + * bar(); + * + * if (a) + * while (b) + * while (c) { + * while (d) + * if (e) + * while(f) + * foo(); + * } + * else + * bar(); + * @param {ASTNode} node `BlockStatement` body with exactly one statement directly inside. The statement can have its own nested statements. + * @param {SourceCode} sourceCode The source code + * @returns {boolean} `true` if the braces are necessary - removing them (replacing the given `BlockStatement` body with its single statement content) + * would change the semantics of the code or produce a syntax error. + */ + areBracesNecessary(node, sourceCode) { + /** + * Determines if the given node is a lexical declaration (let, const, using, await using, function, or class) + * @param {ASTNode} nodeToCheck The node to check + * @returns {boolean} True if the node is a lexical declaration + * @private + */ + function isLexicalDeclaration(nodeToCheck) { + if (nodeToCheck.type === "VariableDeclaration") { + return LEXICAL_DECLARATION_KINDS.has(nodeToCheck.kind); + } + + return ( + nodeToCheck.type === "FunctionDeclaration" || + nodeToCheck.type === "ClassDeclaration" + ); + } + + /** + * Checks if the given token is an `else` token or not. + * @param {Token} token The token to check. + * @returns {boolean} `true` if the token is an `else` token. + */ + function isElseKeywordToken(token) { + return token.value === "else" && token.type === "Keyword"; + } + + /** + * Determines whether the given node has an `else` keyword token as the first token after. + * @param {ASTNode} nodeToCheck The node to check. + * @returns {boolean} `true` if the node is followed by an `else` keyword token. + */ + function isFollowedByElseKeyword(nodeToCheck) { + const nextToken = sourceCode.getTokenAfter(nodeToCheck); + + return Boolean(nextToken) && isElseKeywordToken(nextToken); + } + + /** + * Determines whether the code represented by the given node contains an `if` statement + * that would become associated with an `else` keyword directly appended to that code. + * + * Examples where it returns `true`: + * + * if (a) + * foo(); + * + * if (a) { + * foo(); + * } + * + * if (a) + * foo(); + * else if (b) + * bar(); + * + * while (a) + * if (b) + * if(c) + * foo(); + * else + * bar(); + * + * Examples where it returns `false`: + * + * if (a) + * foo(); + * else + * bar(); + * + * while (a) { + * if (b) + * if(c) + * foo(); + * else + * bar(); + * } + * + * while (a) + * if (b) { + * if(c) + * foo(); + * } + * else + * bar(); + * @param {ASTNode} nodeToCheck Node representing the code to check. + * @returns {boolean} `true` if an `if` statement within the code would become associated with an `else` appended to that code. + */ + function hasUnsafeIf(nodeToCheck) { + switch (nodeToCheck.type) { + case "IfStatement": + if (!nodeToCheck.alternate) { + return true; + } + return hasUnsafeIf(nodeToCheck.alternate); + case "ForStatement": + case "ForInStatement": + case "ForOfStatement": + case "LabeledStatement": + case "WithStatement": + case "WhileStatement": + return hasUnsafeIf(nodeToCheck.body); + default: + return false; + } + } + + const statement = node.body[0]; + + return ( + isLexicalDeclaration(statement) || + (hasUnsafeIf(statement) && isFollowedByElseKeyword(node)) + ); + }, + + isReferenceToGlobalVariable, + isLogicalExpression, + isCoalesceExpression, + isMixedLogicalAndCoalesceExpressions, + isNullLiteral, + getStaticStringValue, + getStaticPropertyName, + skipChainExpression, + isSpecificId, + isSpecificMemberAccess, + equalLiteralValue, + isSameReference, + isLogicalAssignmentOperator, + getSwitchCaseColonToken, + getModuleExportName, + isConstant, + isTopLevelExpressionStatement, + isDirective, + isStartOfExpressionStatement, + needsPrecedingSemicolon, + isImportAttributeKey, + getOpeningParenOfParams, +}; diff --git a/module/node_modules/eslint/lib/rules/utils/char-source.js b/module/node_modules/eslint/lib/rules/utils/char-source.js new file mode 100644 index 000000000..7a25b27b9 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/utils/char-source.js @@ -0,0 +1,247 @@ +/** + * @fileoverview Utility functions to locate the source text of each code unit in the value of a string literal or template token. + * @author Francesco Trotta + */ + +"use strict"; + +/** + * Represents a code unit produced by the evaluation of a JavaScript common token like a string + * literal or template token. + */ +class CodeUnit { + constructor(start, source) { + this.start = start; + this.source = source; + } + + get end() { + return this.start + this.length; + } + + get length() { + return this.source.length; + } +} + +/** + * An object used to keep track of the position in a source text where the next characters will be read. + */ +class TextReader { + constructor(source) { + this.source = source; + this.pos = 0; + } + + /** + * Advances the reading position of the specified number of characters. + * @param {number} length Number of characters to advance. + * @returns {void} + */ + advance(length) { + this.pos += length; + } + + /** + * Reads characters from the source. + * @param {number} [offset=0] The offset where reading starts, relative to the current position. + * @param {number} [length=1] Number of characters to read. + * @returns {string} A substring of source characters. + */ + read(offset = 0, length = 1) { + const start = offset + this.pos; + + return this.source.slice(start, start + length); + } +} + +const SIMPLE_ESCAPE_SEQUENCES = { + __proto__: null, + b: "\b", + f: "\f", + n: "\n", + r: "\r", + t: "\t", + v: "\v", +}; + +/** + * Reads a hex escape sequence. + * @param {TextReader} reader The reader should be positioned on the first hexadecimal digit. + * @param {number} length The number of hexadecimal digits. + * @returns {string} A code unit. + */ +function readHexSequence(reader, length) { + const str = reader.read(0, length); + const charCode = parseInt(str, 16); + + reader.advance(length); + return String.fromCharCode(charCode); +} + +/** + * Reads a Unicode escape sequence. + * @param {TextReader} reader The reader should be positioned after the "u". + * @returns {string} A code unit. + */ +function readUnicodeSequence(reader) { + const regExp = /\{(?[\dA-F]+)\}/iuy; + + regExp.lastIndex = reader.pos; + const match = regExp.exec(reader.source); + + if (match) { + const codePoint = parseInt(match.groups.hexDigits, 16); + + reader.pos = regExp.lastIndex; + return String.fromCodePoint(codePoint); + } + return readHexSequence(reader, 4); +} + +/** + * Reads an octal escape sequence. + * @param {TextReader} reader The reader should be positioned after the first octal digit. + * @param {number} maxLength The maximum number of octal digits. + * @returns {string} A code unit. + */ +function readOctalSequence(reader, maxLength) { + const [octalStr] = reader.read(-1, maxLength).match(/^[0-7]+/u); + + reader.advance(octalStr.length - 1); + const octal = parseInt(octalStr, 8); + + return String.fromCharCode(octal); +} + +/** + * Reads an escape sequence or line continuation. + * @param {TextReader} reader The reader should be positioned on the backslash. + * @returns {string} A string of zero, one or two code units. + */ +function readEscapeSequenceOrLineContinuation(reader) { + const char = reader.read(1); + + reader.advance(2); + const unitChar = SIMPLE_ESCAPE_SEQUENCES[char]; + + if (unitChar) { + return unitChar; + } + switch (char) { + case "x": + return readHexSequence(reader, 2); + case "u": + return readUnicodeSequence(reader); + case "\r": + if (reader.read() === "\n") { + reader.advance(1); + } + + // fallthrough + case "\n": + case "\u2028": + case "\u2029": + return ""; + case "0": + case "1": + case "2": + case "3": + return readOctalSequence(reader, 3); + case "4": + case "5": + case "6": + case "7": + return readOctalSequence(reader, 2); + default: + return char; + } +} + +/** + * Reads an escape sequence or line continuation and generates the respective `CodeUnit` elements. + * @param {TextReader} reader The reader should be positioned on the backslash. + * @returns {Generator} Zero, one or two `CodeUnit` elements. + */ +function* mapEscapeSequenceOrLineContinuation(reader) { + const start = reader.pos; + const str = readEscapeSequenceOrLineContinuation(reader); + const end = reader.pos; + const source = reader.source.slice(start, end); + + switch (str.length) { + case 0: + break; + case 1: + yield new CodeUnit(start, source); + break; + default: + yield new CodeUnit(start, source); + yield new CodeUnit(start, source); + break; + } +} + +/** + * Parses a string literal. + * @param {string} source The string literal to parse, including the delimiting quotes. + * @returns {CodeUnit[]} A list of code units produced by the string literal. + */ +function parseStringLiteral(source) { + const reader = new TextReader(source); + const quote = reader.read(); + + reader.advance(1); + const codeUnits = []; + + for (;;) { + const char = reader.read(); + + if (char === quote) { + break; + } + if (char === "\\") { + codeUnits.push(...mapEscapeSequenceOrLineContinuation(reader)); + } else { + codeUnits.push(new CodeUnit(reader.pos, char)); + reader.advance(1); + } + } + return codeUnits; +} + +/** + * Parses a template token. + * @param {string} source The template token to parse, including the delimiting sequences `` ` ``, `${` and `}`. + * @returns {CodeUnit[]} A list of code units produced by the template token. + */ +function parseTemplateToken(source) { + const reader = new TextReader(source); + + reader.advance(1); + const codeUnits = []; + + for (;;) { + const char = reader.read(); + + if (char === "`" || (char === "$" && reader.read(1) === "{")) { + break; + } + if (char === "\\") { + codeUnits.push(...mapEscapeSequenceOrLineContinuation(reader)); + } else { + let unitSource; + + if (char === "\r" && reader.read(1) === "\n") { + unitSource = "\r\n"; + } else { + unitSource = char; + } + codeUnits.push(new CodeUnit(reader.pos, unitSource)); + reader.advance(unitSource.length); + } + } + return codeUnits; +} + +module.exports = { parseStringLiteral, parseTemplateToken }; diff --git a/module/node_modules/eslint/lib/rules/utils/fix-tracker.js b/module/node_modules/eslint/lib/rules/utils/fix-tracker.js new file mode 100644 index 000000000..5721717b8 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/utils/fix-tracker.js @@ -0,0 +1,125 @@ +/** + * @fileoverview Helper class to aid in constructing fix commands. + * @author Alan Pierce + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** + * @import { SourceRange } from "@eslint/core"; + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./ast-utils"); + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * A helper class to combine fix options into a fix command. Currently, it + * exposes some "retain" methods that extend the range of the text being + * replaced so that other fixes won't touch that region in the same pass. + */ +class FixTracker { + /** + * Create a new FixTracker. + * @param {ruleFixer} fixer A ruleFixer instance. + * @param {SourceCode} sourceCode A SourceCode object for the current code. + */ + constructor(fixer, sourceCode) { + this.fixer = fixer; + this.sourceCode = sourceCode; + this.retainedRange = null; + } + + /** + * Mark the given range as "retained", meaning that other fixes may not + * may not modify this region in the same pass. + * @param {SourceRange} range The range to retain. + * @returns {FixTracker} The same RuleFixer, for chained calls. + */ + retainRange(range) { + this.retainedRange = range; + return this; + } + + /** + * Given a node, find the function containing it (or the entire program) and + * mark it as retained, meaning that other fixes may not modify it in this + * pass. This is useful for avoiding conflicts in fixes that modify control + * flow. + * @param {ASTNode} node The node to use as a starting point. + * @returns {FixTracker} The same RuleFixer, for chained calls. + */ + retainEnclosingFunction(node) { + const functionNode = astUtils.getUpperFunction(node); + + return this.retainRange( + functionNode ? functionNode.range : this.sourceCode.ast.range, + ); + } + + /** + * Given a node or token, find the token before and afterward, and mark that + * range as retained, meaning that other fixes may not modify it in this + * pass. This is useful for avoiding conflicts in fixes that make a small + * change to the code where the AST should not be changed. + * @param {ASTNode|Token} nodeOrToken The node or token to use as a starting + * point. The token to the left and right are use in the range. + * @returns {FixTracker} The same RuleFixer, for chained calls. + */ + retainSurroundingTokens(nodeOrToken) { + const tokenBefore = + this.sourceCode.getTokenBefore(nodeOrToken) || nodeOrToken; + const tokenAfter = + this.sourceCode.getTokenAfter(nodeOrToken) || nodeOrToken; + + return this.retainRange([tokenBefore.range[0], tokenAfter.range[1]]); + } + + /** + * Create a fix command that replaces the given range with the given text, + * accounting for any retained ranges. + * @param {SourceRange} range The range to remove in the fix. + * @param {string} text The text to insert in place of the range. + * @returns {Object} The fix command. + */ + replaceTextRange(range, text) { + let actualRange; + + if (this.retainedRange) { + actualRange = [ + Math.min(this.retainedRange[0], range[0]), + Math.max(this.retainedRange[1], range[1]), + ]; + } else { + actualRange = range; + } + + return this.fixer.replaceTextRange( + actualRange, + this.sourceCode.text.slice(actualRange[0], range[0]) + + text + + this.sourceCode.text.slice(range[1], actualRange[1]), + ); + } + + /** + * Create a fix command that removes the given node or token, accounting for + * any retained ranges. + * @param {ASTNode|Token} nodeOrToken The node or token to remove. + * @returns {Object} The fix command. + */ + remove(nodeOrToken) { + return this.replaceTextRange(nodeOrToken.range, ""); + } +} + +module.exports = FixTracker; diff --git a/module/node_modules/eslint/lib/rules/utils/keywords.js b/module/node_modules/eslint/lib/rules/utils/keywords.js new file mode 100644 index 000000000..eca2076eb --- /dev/null +++ b/module/node_modules/eslint/lib/rules/utils/keywords.js @@ -0,0 +1,67 @@ +/** + * @fileoverview A shared list of ES3 keywords. + * @author Josh Perez + */ +"use strict"; + +module.exports = [ + "abstract", + "boolean", + "break", + "byte", + "case", + "catch", + "char", + "class", + "const", + "continue", + "debugger", + "default", + "delete", + "do", + "double", + "else", + "enum", + "export", + "extends", + "false", + "final", + "finally", + "float", + "for", + "function", + "goto", + "if", + "implements", + "import", + "in", + "instanceof", + "int", + "interface", + "long", + "native", + "new", + "null", + "package", + "private", + "protected", + "public", + "return", + "short", + "static", + "super", + "switch", + "synchronized", + "this", + "throw", + "throws", + "transient", + "true", + "try", + "typeof", + "var", + "void", + "volatile", + "while", + "with", +]; diff --git a/module/node_modules/eslint/lib/rules/utils/lazy-loading-rule-map.js b/module/node_modules/eslint/lib/rules/utils/lazy-loading-rule-map.js new file mode 100644 index 000000000..b93395095 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/utils/lazy-loading-rule-map.js @@ -0,0 +1,118 @@ +/** + * @fileoverview `Map` to load rules lazily. + * @author Toru Nagashima + */ +"use strict"; + +const debug = require("debug")("eslint:rules"); + +/** @typedef {import("../../types").Rule.RuleModule} Rule */ + +/** + * The `Map` object that loads each rule when it's accessed. + * @example + * const rules = new LazyLoadingRuleMap([ + * ["eqeqeq", () => require("eqeqeq")], + * ["semi", () => require("semi")], + * ["no-unused-vars", () => require("no-unused-vars")] + * ]); + * + * rules.get("semi"); // call `() => require("semi")` here. + * + * @extends {Map} + */ +class LazyLoadingRuleMap extends Map { + /** + * Initialize this map. + * @param {Array<[string, function(): Rule]>} loaders The rule loaders. + */ + constructor(loaders) { + let remaining = loaders.length; + + super( + debug.enabled + ? loaders.map(([ruleId, load]) => { + let cache = null; + + return [ + ruleId, + () => { + if (!cache) { + debug( + "Loading rule %o (remaining=%d)", + ruleId, + --remaining, + ); + cache = load(); + } + return cache; + }, + ]; + }) + : loaders, + ); + + // `super(...iterable)` uses `this.set()`, so disable it here. + Object.defineProperty(LazyLoadingRuleMap.prototype, "set", { + configurable: true, + value: void 0, + }); + } + + /** + * Get a rule. + * Each rule will be loaded on the first access. + * @param {string} ruleId The rule ID to get. + * @returns {Rule|undefined} The rule. + */ + get(ruleId) { + const load = super.get(ruleId); + + return load && load(); + } + + /** + * Iterate rules. + * @returns {IterableIterator} Rules. + */ + *values() { + for (const load of super.values()) { + yield load(); + } + } + + /** + * Iterate rules. + * @returns {IterableIterator<[string, Rule]>} Rules. + */ + *entries() { + for (const [ruleId, load] of super.entries()) { + yield [ruleId, load()]; + } + } + + /** + * Call a function with each rule. + * @param {Function} callbackFn The callback function. + * @param {any} [thisArg] The object to pass to `this` of the callback function. + * @returns {void} + */ + forEach(callbackFn, thisArg) { + for (const [ruleId, load] of super.entries()) { + callbackFn.call(thisArg, load(), ruleId, this); + } + } +} + +// Forbid mutation. +Object.defineProperties(LazyLoadingRuleMap.prototype, { + clear: { configurable: true, value: void 0 }, + delete: { configurable: true, value: void 0 }, + [Symbol.iterator]: { + configurable: true, + writable: true, + value: LazyLoadingRuleMap.prototype.entries, + }, +}); + +module.exports = { LazyLoadingRuleMap }; diff --git a/module/node_modules/eslint/lib/rules/utils/regular-expressions.js b/module/node_modules/eslint/lib/rules/utils/regular-expressions.js new file mode 100644 index 000000000..6d80654b6 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/utils/regular-expressions.js @@ -0,0 +1,58 @@ +/** + * @fileoverview Common utils for regular expressions. + * @author Josh Goldberg + * @author Toru Nagashima + */ + +"use strict"; + +const { RegExpValidator } = require("@eslint-community/regexpp"); + +const REGEXPP_LATEST_ECMA_VERSION = 2025; + +/** + * Checks if the given regular expression pattern would be valid with the `u` flag. + * @param {number} ecmaVersion ECMAScript version to parse in. + * @param {string} pattern The regular expression pattern to verify. + * @param {"u"|"v"} flag The type of Unicode flag + * @returns {boolean} `true` if the pattern would be valid with the `u` flag. + * `false` if the pattern would be invalid with the `u` flag or the configured + * ecmaVersion doesn't support the `u` flag. + */ +function isValidWithUnicodeFlag(ecmaVersion, pattern, flag = "u") { + if (flag === "u" && ecmaVersion <= 5) { + // ecmaVersion <= 5 doesn't support the 'u' flag + return false; + } + if (flag === "v" && ecmaVersion <= 2023) { + return false; + } + + const validator = new RegExpValidator({ + ecmaVersion: Math.min(ecmaVersion, REGEXPP_LATEST_ECMA_VERSION), + }); + + try { + validator.validatePattern( + pattern, + void 0, + void 0, + flag === "u" + ? { + unicode: /* uFlag = */ true, + } + : { + unicodeSets: true, + }, + ); + } catch { + return false; + } + + return true; +} + +module.exports = { + isValidWithUnicodeFlag, + REGEXPP_LATEST_ECMA_VERSION, +}; diff --git a/module/node_modules/eslint/lib/rules/utils/unicode/index.js b/module/node_modules/eslint/lib/rules/utils/unicode/index.js new file mode 100644 index 000000000..0e7d5d53c --- /dev/null +++ b/module/node_modules/eslint/lib/rules/utils/unicode/index.js @@ -0,0 +1,16 @@ +/** + * @author Toru Nagashima + */ +"use strict"; + +const isCombiningCharacter = require("./is-combining-character"); +const isEmojiModifier = require("./is-emoji-modifier"); +const isRegionalIndicatorSymbol = require("./is-regional-indicator-symbol"); +const isSurrogatePair = require("./is-surrogate-pair"); + +module.exports = { + isCombiningCharacter, + isEmojiModifier, + isRegionalIndicatorSymbol, + isSurrogatePair, +}; diff --git a/module/node_modules/eslint/lib/rules/utils/unicode/is-combining-character.js b/module/node_modules/eslint/lib/rules/utils/unicode/is-combining-character.js new file mode 100644 index 000000000..8a36b223f --- /dev/null +++ b/module/node_modules/eslint/lib/rules/utils/unicode/is-combining-character.js @@ -0,0 +1,13 @@ +/** + * @author Toru Nagashima + */ +"use strict"; + +/** + * Check whether a given character is a combining mark or not. + * @param {number} codePoint The character code to check. + * @returns {boolean} `true` if the character belongs to the category, any of `Mc`, `Me`, and `Mn`. + */ +module.exports = function isCombiningCharacter(codePoint) { + return /^[\p{Mc}\p{Me}\p{Mn}]$/u.test(String.fromCodePoint(codePoint)); +}; diff --git a/module/node_modules/eslint/lib/rules/utils/unicode/is-emoji-modifier.js b/module/node_modules/eslint/lib/rules/utils/unicode/is-emoji-modifier.js new file mode 100644 index 000000000..526ac91d6 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/utils/unicode/is-emoji-modifier.js @@ -0,0 +1,13 @@ +/** + * @author Toru Nagashima + */ +"use strict"; + +/** + * Check whether a given character is an emoji modifier. + * @param {number} code The character code to check. + * @returns {boolean} `true` if the character is an emoji modifier. + */ +module.exports = function isEmojiModifier(code) { + return code >= 0x1f3fb && code <= 0x1f3ff; +}; diff --git a/module/node_modules/eslint/lib/rules/utils/unicode/is-regional-indicator-symbol.js b/module/node_modules/eslint/lib/rules/utils/unicode/is-regional-indicator-symbol.js new file mode 100644 index 000000000..019d9da0a --- /dev/null +++ b/module/node_modules/eslint/lib/rules/utils/unicode/is-regional-indicator-symbol.js @@ -0,0 +1,13 @@ +/** + * @author Toru Nagashima + */ +"use strict"; + +/** + * Check whether a given character is a regional indicator symbol. + * @param {number} code The character code to check. + * @returns {boolean} `true` if the character is a regional indicator symbol. + */ +module.exports = function isRegionalIndicatorSymbol(code) { + return code >= 0x1f1e6 && code <= 0x1f1ff; +}; diff --git a/module/node_modules/eslint/lib/rules/utils/unicode/is-surrogate-pair.js b/module/node_modules/eslint/lib/rules/utils/unicode/is-surrogate-pair.js new file mode 100644 index 000000000..fbe6a4017 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/utils/unicode/is-surrogate-pair.js @@ -0,0 +1,14 @@ +/** + * @author Toru Nagashima + */ +"use strict"; + +/** + * Check whether given two characters are a surrogate pair. + * @param {number} lead The code of the lead character. + * @param {number} tail The code of the tail character. + * @returns {boolean} `true` if the character pair is a surrogate pair. + */ +module.exports = function isSurrogatePair(lead, tail) { + return lead >= 0xd800 && lead < 0xdc00 && tail >= 0xdc00 && tail < 0xe000; +}; diff --git a/module/node_modules/eslint/lib/rules/valid-typeof.js b/module/node_modules/eslint/lib/rules/valid-typeof.js new file mode 100644 index 000000000..fd4f3d204 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/valid-typeof.js @@ -0,0 +1,171 @@ +/** + * @fileoverview Ensures that the results of typeof are compared against a valid string + * @author Ian Christian Myers + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "problem", + + defaultOptions: [ + { + requireStringLiterals: false, + }, + ], + + docs: { + description: + "Enforce comparing `typeof` expressions against valid strings", + recommended: true, + url: "https://eslint.org/docs/latest/rules/valid-typeof", + }, + + hasSuggestions: true, + + schema: [ + { + type: "object", + properties: { + requireStringLiterals: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + messages: { + invalidValue: "Invalid typeof comparison value.", + notString: "Typeof comparisons should be to string literals.", + suggestString: 'Use `"{{type}}"` instead of `{{type}}`.', + }, + }, + + create(context) { + const VALID_TYPES = new Set([ + "symbol", + "undefined", + "object", + "boolean", + "number", + "string", + "function", + "bigint", + ]), + OPERATORS = new Set(["==", "===", "!=", "!=="]); + const sourceCode = context.sourceCode; + const [{ requireStringLiterals }] = context.options; + + let globalScope; + + /** + * Checks whether the given node represents a reference to a global variable that is not declared in the source code. + * These identifiers will be allowed, as it is assumed that user has no control over the names of external global variables. + * @param {ASTNode} node `Identifier` node to check. + * @returns {boolean} `true` if the node is a reference to a global variable. + */ + function isReferenceToGlobalVariable(node) { + const variable = globalScope.set.get(node.name); + + return ( + variable && + variable.defs.length === 0 && + variable.references.some(ref => ref.identifier === node) + ); + } + + /** + * Determines whether a node is a typeof expression. + * @param {ASTNode} node The node + * @returns {boolean} `true` if the node is a typeof expression + */ + function isTypeofExpression(node) { + return ( + node.type === "UnaryExpression" && node.operator === "typeof" + ); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + Program(node) { + globalScope = sourceCode.getScope(node); + }, + + UnaryExpression(node) { + if (isTypeofExpression(node)) { + const { parent } = node; + + if ( + parent.type === "BinaryExpression" && + OPERATORS.has(parent.operator) + ) { + const sibling = + parent.left === node ? parent.right : parent.left; + + if ( + sibling.type === "Literal" || + astUtils.isStaticTemplateLiteral(sibling) + ) { + const value = + sibling.type === "Literal" + ? sibling.value + : sibling.quasis[0].value.cooked; + + if (!VALID_TYPES.has(value)) { + context.report({ + node: sibling, + messageId: "invalidValue", + }); + } + } else if ( + sibling.type === "Identifier" && + sibling.name === "undefined" && + isReferenceToGlobalVariable(sibling) + ) { + context.report({ + node: sibling, + messageId: requireStringLiterals + ? "notString" + : "invalidValue", + suggest: [ + { + messageId: "suggestString", + data: { type: "undefined" }, + fix(fixer) { + return fixer.replaceText( + sibling, + '"undefined"', + ); + }, + }, + ], + }); + } else if ( + requireStringLiterals && + !isTypeofExpression(sibling) + ) { + context.report({ + node: sibling, + messageId: "notString", + }); + } + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/vars-on-top.js b/module/node_modules/eslint/lib/rules/vars-on-top.js new file mode 100644 index 000000000..c790ccbd5 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/vars-on-top.js @@ -0,0 +1,165 @@ +/** + * @fileoverview Rule to enforce var declarations are only at the top of a function. + * @author Danny Fritz + * @author Gyandeep Singh + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + docs: { + description: + "Require `var` declarations be placed at the top of their containing scope", + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/vars-on-top", + }, + + schema: [], + messages: { + top: "All 'var' declarations must be at the top of the function scope.", + }, + }, + + create(context) { + //-------------------------------------------------------------------------- + // Helpers + //-------------------------------------------------------------------------- + + /** + * Has AST suggesting a directive. + * @param {ASTNode} node any node + * @returns {boolean} whether the given node structurally represents a directive + */ + function looksLikeDirective(node) { + return ( + node.type === "ExpressionStatement" && + node.expression.type === "Literal" && + typeof node.expression.value === "string" + ); + } + + /** + * Check to see if its a ES6 import declaration + * @param {ASTNode} node any node + * @returns {boolean} whether the given node represents a import declaration + */ + function looksLikeImport(node) { + return ( + node.type === "ImportDeclaration" || + node.type === "ImportSpecifier" || + node.type === "ImportDefaultSpecifier" || + node.type === "ImportNamespaceSpecifier" + ); + } + + /** + * Checks whether a given node is a variable declaration or not. + * @param {ASTNode} node any node + * @returns {boolean} `true` if the node is a variable declaration. + */ + function isVariableDeclaration(node) { + return ( + node.type === "VariableDeclaration" || + (node.type === "ExportNamedDeclaration" && + node.declaration && + node.declaration.type === "VariableDeclaration") + ); + } + + /** + * Checks whether this variable is on top of the block body + * @param {ASTNode} node The node to check + * @param {ASTNode[]} statements collection of ASTNodes for the parent node block + * @returns {boolean} True if var is on top otherwise false + */ + function isVarOnTop(node, statements) { + const l = statements.length; + let i = 0; + + // Skip over directives and imports. Static blocks don't have either. + if (node.parent.type !== "StaticBlock") { + for (; i < l; ++i) { + if ( + !looksLikeDirective(statements[i]) && + !looksLikeImport(statements[i]) + ) { + break; + } + } + } + + for (; i < l; ++i) { + if (!isVariableDeclaration(statements[i])) { + return false; + } + if (statements[i] === node) { + return true; + } + } + + return false; + } + + /** + * Checks whether variable is on top at the global level + * @param {ASTNode} node The node to check + * @param {ASTNode} parent Parent of the node + * @returns {void} + */ + function globalVarCheck(node, parent) { + if (!isVarOnTop(node, parent.body)) { + context.report({ node, messageId: "top" }); + } + } + + /** + * Checks whether variable is on top at functional block scope level + * @param {ASTNode} node The node to check + * @returns {void} + */ + function blockScopeVarCheck(node) { + const { parent } = node; + + if ( + parent.type === "BlockStatement" && + /Function/u.test(parent.parent.type) && + isVarOnTop(node, parent.body) + ) { + return; + } + + if ( + parent.type === "StaticBlock" && + isVarOnTop(node, parent.body) + ) { + return; + } + + context.report({ node, messageId: "top" }); + } + + //-------------------------------------------------------------------------- + // Public API + //-------------------------------------------------------------------------- + + return { + "VariableDeclaration[kind='var']"(node) { + if (node.parent.type === "ExportNamedDeclaration") { + globalVarCheck(node.parent, node.parent.parent); + } else if (node.parent.type === "Program") { + globalVarCheck(node, node.parent); + } else { + blockScopeVarCheck(node); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/wrap-iife.js b/module/node_modules/eslint/lib/rules/wrap-iife.js new file mode 100644 index 000000000..3ba53a151 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/wrap-iife.js @@ -0,0 +1,238 @@ +/** + * @fileoverview Rule to flag when IIFE is not wrapped in parens + * @author Ilya Volodin + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const astUtils = require("./utils/ast-utils"); +const eslintUtils = require("@eslint-community/eslint-utils"); + +//---------------------------------------------------------------------- +// Helpers +//---------------------------------------------------------------------- + +/** + * Check if the given node is callee of a `NewExpression` node + * @param {ASTNode} node node to check + * @returns {boolean} True if the node is callee of a `NewExpression` node + * @private + */ +function isCalleeOfNewExpression(node) { + const maybeCallee = + node.parent.type === "ChainExpression" ? node.parent : node; + + return ( + maybeCallee.parent.type === "NewExpression" && + maybeCallee.parent.callee === maybeCallee + ); +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "wrap-iife", + url: "https://eslint.style/rules/wrap-iife", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Require parentheses around immediate `function` invocations", + recommended: false, + url: "https://eslint.org/docs/latest/rules/wrap-iife", + }, + + schema: [ + { + enum: ["outside", "inside", "any"], + }, + { + type: "object", + properties: { + functionPrototypeMethods: { + type: "boolean", + default: false, + }, + }, + additionalProperties: false, + }, + ], + + fixable: "code", + messages: { + wrapInvocation: + "Wrap an immediate function invocation in parentheses.", + wrapExpression: "Wrap only the function expression in parens.", + moveInvocation: + "Move the invocation into the parens that contain the function.", + }, + }, + + create(context) { + const style = context.options[0] || "outside"; + const includeFunctionPrototypeMethods = + context.options[1] && context.options[1].functionPrototypeMethods; + + const sourceCode = context.sourceCode; + + /** + * Check if the node is wrapped in any (). All parens count: grouping parens and parens for constructs such as if() + * @param {ASTNode} node node to evaluate + * @returns {boolean} True if it is wrapped in any parens + * @private + */ + function isWrappedInAnyParens(node) { + return astUtils.isParenthesised(sourceCode, node); + } + + /** + * Check if the node is wrapped in grouping (). Parens for constructs such as if() don't count + * @param {ASTNode} node node to evaluate + * @returns {boolean} True if it is wrapped in grouping parens + * @private + */ + function isWrappedInGroupingParens(node) { + return eslintUtils.isParenthesized(1, node, sourceCode); + } + + /** + * Get the function node from an IIFE + * @param {ASTNode} node node to evaluate + * @returns {ASTNode} node that is the function expression of the given IIFE, or null if none exist + */ + function getFunctionNodeFromIIFE(node) { + const callee = astUtils.skipChainExpression(node.callee); + + if (callee.type === "FunctionExpression") { + return callee; + } + + if ( + includeFunctionPrototypeMethods && + callee.type === "MemberExpression" && + callee.object.type === "FunctionExpression" && + (astUtils.getStaticPropertyName(callee) === "call" || + astUtils.getStaticPropertyName(callee) === "apply") + ) { + return callee.object; + } + + return null; + } + + return { + CallExpression(node) { + const innerNode = getFunctionNodeFromIIFE(node); + + if (!innerNode) { + return; + } + + const isCallExpressionWrapped = isWrappedInAnyParens(node), + isFunctionExpressionWrapped = + isWrappedInAnyParens(innerNode); + + if (!isCallExpressionWrapped && !isFunctionExpressionWrapped) { + context.report({ + node, + messageId: "wrapInvocation", + fix(fixer) { + const nodeToSurround = + style === "inside" ? innerNode : node; + + return fixer.replaceText( + nodeToSurround, + `(${sourceCode.getText(nodeToSurround)})`, + ); + }, + }); + } else if (style === "inside" && !isFunctionExpressionWrapped) { + context.report({ + node, + messageId: "wrapExpression", + fix(fixer) { + // The outer call expression will always be wrapped at this point. + + if ( + isWrappedInGroupingParens(node) && + !isCalleeOfNewExpression(node) + ) { + /* + * Parenthesize the function expression and remove unnecessary grouping parens around the call expression. + * Replace the range between the end of the function expression and the end of the call expression. + * for example, in `(function(foo) {}(bar))`, the range `(bar))` should get replaced with `)(bar)`. + */ + + const parenAfter = + sourceCode.getTokenAfter(node); + + return fixer.replaceTextRange( + [innerNode.range[1], parenAfter.range[1]], + `)${sourceCode.getText().slice(innerNode.range[1], parenAfter.range[0])}`, + ); + } + + /* + * Call expression is wrapped in mandatory parens such as if(), or in necessary grouping parens. + * These parens cannot be removed, so just parenthesize the function expression. + */ + + return fixer.replaceText( + innerNode, + `(${sourceCode.getText(innerNode)})`, + ); + }, + }); + } else if (style === "outside" && !isCallExpressionWrapped) { + context.report({ + node, + messageId: "moveInvocation", + fix(fixer) { + /* + * The inner function expression will always be wrapped at this point. + * It's only necessary to replace the range between the end of the function expression + * and the call expression. For example, in `(function(foo) {})(bar)`, the range `)(bar)` + * should get replaced with `(bar))`. + */ + const parenAfter = + sourceCode.getTokenAfter(innerNode); + + return fixer.replaceTextRange( + [parenAfter.range[0], node.range[1]], + `${sourceCode.getText().slice(parenAfter.range[1], node.range[1])})`, + ); + }, + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/wrap-regex.js b/module/node_modules/eslint/lib/rules/wrap-regex.js new file mode 100644 index 000000000..def392a4c --- /dev/null +++ b/module/node_modules/eslint/lib/rules/wrap-regex.js @@ -0,0 +1,91 @@ +/** + * @fileoverview Rule to flag when regex literals are not wrapped in parens + * @author Matt DuVall + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "wrap-regex", + url: "https://eslint.style/rules/wrap-regex", + }, + }, + ], + }, + type: "layout", + + docs: { + description: "Require parenthesis around regex literals", + recommended: false, + url: "https://eslint.org/docs/latest/rules/wrap-regex", + }, + + schema: [], + fixable: "code", + + messages: { + requireParens: + "Wrap the regexp literal in parens to disambiguate the slash.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + return { + Literal(node) { + const token = sourceCode.getFirstToken(node), + nodeType = token.type; + + if (nodeType === "RegularExpression") { + const beforeToken = sourceCode.getTokenBefore(node); + const afterToken = sourceCode.getTokenAfter(node); + const { parent } = node; + + if ( + parent.type === "MemberExpression" && + parent.object === node && + !( + beforeToken && + beforeToken.value === "(" && + afterToken && + afterToken.value === ")" + ) + ) { + context.report({ + node, + messageId: "requireParens", + fix: fixer => + fixer.replaceText( + node, + `(${sourceCode.getText(node)})`, + ), + }); + } + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/yield-star-spacing.js b/module/node_modules/eslint/lib/rules/yield-star-spacing.js new file mode 100644 index 000000000..05666e214 --- /dev/null +++ b/module/node_modules/eslint/lib/rules/yield-star-spacing.js @@ -0,0 +1,159 @@ +/** + * @fileoverview Rule to check the spacing around the * in yield* expressions. + * @author Bryan Smith + * @deprecated in ESLint v8.53.0 + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + deprecated: { + message: "Formatting rules are being moved out of ESLint core.", + url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/", + deprecatedSince: "8.53.0", + availableUntil: "11.0.0", + replacedBy: [ + { + message: + "ESLint Stylistic now maintains deprecated stylistic core rules.", + url: "https://eslint.style/guide/migration", + plugin: { + name: "@stylistic/eslint-plugin", + url: "https://eslint.style", + }, + rule: { + name: "yield-star-spacing", + url: "https://eslint.style/rules/yield-star-spacing", + }, + }, + ], + }, + type: "layout", + + docs: { + description: + "Require or disallow spacing around the `*` in `yield*` expressions", + recommended: false, + url: "https://eslint.org/docs/latest/rules/yield-star-spacing", + }, + + fixable: "whitespace", + + schema: [ + { + oneOf: [ + { + enum: ["before", "after", "both", "neither"], + }, + { + type: "object", + properties: { + before: { type: "boolean" }, + after: { type: "boolean" }, + }, + additionalProperties: false, + }, + ], + }, + ], + messages: { + missingBefore: "Missing space before *.", + missingAfter: "Missing space after *.", + unexpectedBefore: "Unexpected space before *.", + unexpectedAfter: "Unexpected space after *.", + }, + }, + + create(context) { + const sourceCode = context.sourceCode; + + const mode = (function (option) { + if (!option || typeof option === "string") { + return { + before: { before: true, after: false }, + after: { before: false, after: true }, + both: { before: true, after: true }, + neither: { before: false, after: false }, + }[option || "after"]; + } + return option; + })(context.options[0]); + + /** + * Checks the spacing between two tokens before or after the star token. + * @param {string} side Either "before" or "after". + * @param {Token} leftToken `function` keyword token if side is "before", or + * star token if side is "after". + * @param {Token} rightToken Star token if side is "before", or identifier + * token if side is "after". + * @returns {void} + */ + function checkSpacing(side, leftToken, rightToken) { + if ( + sourceCode.isSpaceBetweenTokens(leftToken, rightToken) !== + mode[side] + ) { + const after = leftToken.value === "*"; + const spaceRequired = mode[side]; + const node = after ? leftToken : rightToken; + let messageId; + + if (spaceRequired) { + messageId = + side === "before" ? "missingBefore" : "missingAfter"; + } else { + messageId = + side === "before" + ? "unexpectedBefore" + : "unexpectedAfter"; + } + + context.report({ + node, + messageId, + fix(fixer) { + if (spaceRequired) { + if (after) { + return fixer.insertTextAfter(node, " "); + } + return fixer.insertTextBefore(node, " "); + } + return fixer.removeRange([ + leftToken.range[1], + rightToken.range[0], + ]); + }, + }); + } + } + + /** + * Enforces the spacing around the star if node is a yield* expression. + * @param {ASTNode} node A yield expression node. + * @returns {void} + */ + function checkExpression(node) { + if (!node.delegate) { + return; + } + + const tokens = sourceCode.getFirstTokens(node, 3); + const yieldToken = tokens[0]; + const starToken = tokens[1]; + const nextToken = tokens[2]; + + checkSpacing("before", yieldToken, starToken); + checkSpacing("after", starToken, nextToken); + } + + return { + YieldExpression: checkExpression, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/rules/yoda.js b/module/node_modules/eslint/lib/rules/yoda.js new file mode 100644 index 000000000..1ee74712d --- /dev/null +++ b/module/node_modules/eslint/lib/rules/yoda.js @@ -0,0 +1,362 @@ +/** + * @fileoverview Rule to require or disallow yoda comparisons + * @author Nicholas C. Zakas + */ +"use strict"; + +//-------------------------------------------------------------------------- +// Requirements +//-------------------------------------------------------------------------- + +const astUtils = require("./utils/ast-utils"); + +//-------------------------------------------------------------------------- +// Helpers +//-------------------------------------------------------------------------- + +/** + * Determines whether an operator is a comparison operator. + * @param {string} operator The operator to check. + * @returns {boolean} Whether or not it is a comparison operator. + */ +function isComparisonOperator(operator) { + return /^(?:==|===|!=|!==|<|>|<=|>=)$/u.test(operator); +} + +/** + * Determines whether an operator is an equality operator. + * @param {string} operator The operator to check. + * @returns {boolean} Whether or not it is an equality operator. + */ +function isEqualityOperator(operator) { + return /^(?:==|===)$/u.test(operator); +} + +/** + * Determines whether an operator is one used in a range test. + * Allowed operators are `<` and `<=`. + * @param {string} operator The operator to check. + * @returns {boolean} Whether the operator is used in range tests. + */ +function isRangeTestOperator(operator) { + return ["<", "<="].includes(operator); +} + +/** + * Determines whether a non-Literal node is a negative number that should be + * treated as if it were a single Literal node. + * @param {ASTNode} node Node to test. + * @returns {boolean} True if the node is a negative number that looks like a + * real literal and should be treated as such. + */ +function isNegativeNumericLiteral(node) { + return ( + node.type === "UnaryExpression" && + node.operator === "-" && + node.prefix && + astUtils.isNumericLiteral(node.argument) + ); +} + +/** + * Determines whether a non-Literal node should be treated as a single Literal node. + * @param {ASTNode} node Node to test + * @returns {boolean} True if the node should be treated as a single Literal node. + */ +function looksLikeLiteral(node) { + return ( + isNegativeNumericLiteral(node) || astUtils.isStaticTemplateLiteral(node) + ); +} + +/** + * Attempts to derive a Literal node from nodes that are treated like literals. + * @param {ASTNode} node Node to normalize. + * @returns {ASTNode} One of the following options. + * 1. The original node if the node is already a Literal + * 2. A normalized Literal node with the negative number as the value if the + * node represents a negative number literal. + * 3. A normalized Literal node with the string as the value if the node is + * a Template Literal without expression. + * 4. Otherwise `null`. + */ +function getNormalizedLiteral(node) { + if (node.type === "Literal") { + return node; + } + + if (isNegativeNumericLiteral(node)) { + return { + type: "Literal", + value: -node.argument.value, + raw: `-${node.argument.value}`, + }; + } + + if (astUtils.isStaticTemplateLiteral(node)) { + return { + type: "Literal", + value: node.quasis[0].value.cooked, + raw: node.quasis[0].value.raw, + }; + } + + return null; +} + +//------------------------------------------------------------------------------ +// Rule Definition +//------------------------------------------------------------------------------ + +/** @type {import('../types').Rule.RuleModule} */ +module.exports = { + meta: { + type: "suggestion", + + defaultOptions: [ + "never", + { + exceptRange: false, + onlyEquality: false, + }, + ], + + docs: { + description: 'Require or disallow "Yoda" conditions', + recommended: false, + frozen: true, + url: "https://eslint.org/docs/latest/rules/yoda", + }, + + schema: [ + { + enum: ["always", "never"], + }, + { + type: "object", + properties: { + exceptRange: { + type: "boolean", + }, + onlyEquality: { + type: "boolean", + }, + }, + additionalProperties: false, + }, + ], + + fixable: "code", + messages: { + expected: + "Expected literal to be on the {{expectedSide}} side of {{operator}}.", + }, + }, + + create(context) { + const [when, { exceptRange, onlyEquality }] = context.options; + const always = when === "always"; + const sourceCode = context.sourceCode; + + /** + * Determines whether node represents a range test. + * A range test is a "between" test like `(0 <= x && x < 1)` or an "outside" + * test like `(x < 0 || 1 <= x)`. It must be wrapped in parentheses, and + * both operators must be `<` or `<=`. Finally, the literal on the left side + * must be less than or equal to the literal on the right side so that the + * test makes any sense. + * @param {ASTNode} node LogicalExpression node to test. + * @returns {boolean} Whether node is a range test. + */ + function isRangeTest(node) { + const left = node.left, + right = node.right; + + /** + * Determines whether node is of the form `0 <= x && x < 1`. + * @returns {boolean} Whether node is a "between" range test. + */ + function isBetweenTest() { + if ( + node.operator === "&&" && + astUtils.isSameReference(left.right, right.left) + ) { + const leftLiteral = getNormalizedLiteral(left.left); + const rightLiteral = getNormalizedLiteral(right.right); + + if (leftLiteral === null && rightLiteral === null) { + return false; + } + + if (rightLiteral === null || leftLiteral === null) { + return true; + } + + if (leftLiteral.value <= rightLiteral.value) { + return true; + } + } + return false; + } + + /** + * Determines whether node is of the form `x < 0 || 1 <= x`. + * @returns {boolean} Whether node is an "outside" range test. + */ + function isOutsideTest() { + if ( + node.operator === "||" && + astUtils.isSameReference(left.left, right.right) + ) { + const leftLiteral = getNormalizedLiteral(left.right); + const rightLiteral = getNormalizedLiteral(right.left); + + if (leftLiteral === null && rightLiteral === null) { + return false; + } + + if (rightLiteral === null || leftLiteral === null) { + return true; + } + + if (leftLiteral.value <= rightLiteral.value) { + return true; + } + } + + return false; + } + + /** + * Determines whether node is wrapped in parentheses. + * @returns {boolean} Whether node is preceded immediately by an open + * paren token and followed immediately by a close + * paren token. + */ + function isParenWrapped() { + return astUtils.isParenthesised(sourceCode, node); + } + + return ( + node.type === "LogicalExpression" && + left.type === "BinaryExpression" && + right.type === "BinaryExpression" && + isRangeTestOperator(left.operator) && + isRangeTestOperator(right.operator) && + (isBetweenTest() || isOutsideTest()) && + isParenWrapped() + ); + } + + const OPERATOR_FLIP_MAP = { + "===": "===", + "!==": "!==", + "==": "==", + "!=": "!=", + "<": ">", + ">": "<", + "<=": ">=", + ">=": "<=", + }; + + /** + * Returns a string representation of a BinaryExpression node with its sides/operator flipped around. + * @param {ASTNode} node The BinaryExpression node + * @returns {string} A string representation of the node with the sides and operator flipped + */ + function getFlippedString(node) { + const operatorToken = sourceCode.getFirstTokenBetween( + node.left, + node.right, + token => token.value === node.operator, + ); + const lastLeftToken = sourceCode.getTokenBefore(operatorToken); + const firstRightToken = sourceCode.getTokenAfter(operatorToken); + + const source = sourceCode.getText(); + + const leftText = source.slice( + node.range[0], + lastLeftToken.range[1], + ); + const textBeforeOperator = source.slice( + lastLeftToken.range[1], + operatorToken.range[0], + ); + const textAfterOperator = source.slice( + operatorToken.range[1], + firstRightToken.range[0], + ); + const rightText = source.slice( + firstRightToken.range[0], + node.range[1], + ); + + const tokenBefore = sourceCode.getTokenBefore(node); + const tokenAfter = sourceCode.getTokenAfter(node); + let prefix = ""; + let suffix = ""; + + if ( + tokenBefore && + tokenBefore.range[1] === node.range[0] && + !astUtils.canTokensBeAdjacent(tokenBefore, firstRightToken) + ) { + prefix = " "; + } + + if ( + tokenAfter && + node.range[1] === tokenAfter.range[0] && + !astUtils.canTokensBeAdjacent(lastLeftToken, tokenAfter) + ) { + suffix = " "; + } + + return ( + prefix + + rightText + + textBeforeOperator + + OPERATOR_FLIP_MAP[operatorToken.value] + + textAfterOperator + + leftText + + suffix + ); + } + + //-------------------------------------------------------------------------- + // Public + //-------------------------------------------------------------------------- + + return { + BinaryExpression(node) { + const expectedLiteral = always ? node.left : node.right; + const expectedNonLiteral = always ? node.right : node.left; + + // If `expectedLiteral` is not a literal, and `expectedNonLiteral` is a literal, raise an error. + if ( + (expectedNonLiteral.type === "Literal" || + looksLikeLiteral(expectedNonLiteral)) && + !( + expectedLiteral.type === "Literal" || + looksLikeLiteral(expectedLiteral) + ) && + !(!isEqualityOperator(node.operator) && onlyEquality) && + isComparisonOperator(node.operator) && + !(exceptRange && isRangeTest(node.parent)) + ) { + context.report({ + node, + messageId: "expected", + data: { + operator: node.operator, + expectedSide: always ? "left" : "right", + }, + fix: fixer => + fixer.replaceText(node, getFlippedString(node)), + }); + } + }, + }; + }, +}; diff --git a/module/node_modules/eslint/lib/services/parser-service.js b/module/node_modules/eslint/lib/services/parser-service.js new file mode 100644 index 000000000..580bb69d5 --- /dev/null +++ b/module/node_modules/eslint/lib/services/parser-service.js @@ -0,0 +1,65 @@ +/** + * @fileoverview ESLint Parser + * @author Nicholas C. Zakas + */ +/* eslint class-methods-use-this: off -- Anticipate future constructor arguments. */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Types +//----------------------------------------------------------------------------- + +/** @typedef {import("../linter/vfile.js").VFile} VFile */ +/** @typedef {import("@eslint/core").Language} Language */ +/** @typedef {import("@eslint/core").LanguageOptions} LanguageOptions */ + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * The parser for ESLint. + */ +class ParserService { + /** + * Parses the given file synchronously. + * @param {VFile} file The file to parse. + * @param {{language:Language,languageOptions:LanguageOptions}} config The configuration to use. + * @returns {Object} An object with the parsed source code or errors. + * @throws {Error} If the parser returns a promise. + */ + parseSync(file, config) { + const { language, languageOptions } = config; + const result = language.parse(file, { languageOptions }); + + if (typeof result.then === "function") { + throw new Error("Unsupported: Language parser returned a promise."); + } + + if (result.ok) { + return { + ok: true, + sourceCode: language.createSourceCode(file, result, { + languageOptions, + }), + }; + } + + // if we made it to here there was an error + return { + ok: false, + errors: result.errors.map(error => ({ + ruleId: null, + nodeType: null, + fatal: true, + severity: 2, + message: `Parsing error: ${error.message}`, + line: error.line, + column: error.column, + })), + }; + } +} + +module.exports = { ParserService }; diff --git a/module/node_modules/eslint/lib/services/processor-service.js b/module/node_modules/eslint/lib/services/processor-service.js new file mode 100644 index 000000000..a5447a80a --- /dev/null +++ b/module/node_modules/eslint/lib/services/processor-service.js @@ -0,0 +1,101 @@ +/** + * @fileoverview ESLint Processor Service + * @author Nicholas C. Zakas + */ +/* eslint class-methods-use-this: off -- Anticipate future constructor arguments. */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +const path = require("node:path"); +const { VFile } = require("../linter/vfile.js"); + +//----------------------------------------------------------------------------- +// Types +//----------------------------------------------------------------------------- + +/** @typedef {import("../types").Linter.LintMessage} LintMessage */ +/** @typedef {import("../linter/vfile.js").VFile} VFile */ +/** @typedef {import("@eslint/core").Language} Language */ +/** @typedef {import("eslint").Linter.Processor} Processor */ + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * The service that applies processors to files. + */ +class ProcessorService { + /** + * Preprocesses the given file synchronously. + * @param {VFile} file The file to preprocess. + * @param {{processor:Processor}} config The configuration to use. + * @returns {{ok:boolean, files?: Array, errors?: Array}} An array of preprocessed files or errors. + * @throws {Error} If the preprocessor returns a promise. + */ + preprocessSync(file, config) { + const { processor } = config; + let blocks; + + try { + blocks = processor.preprocess(file.rawBody, file.path); + } catch (ex) { + // If the message includes a leading line number, strip it: + const message = `Preprocessing error: ${ex.message.replace(/^line \d+:/iu, "").trim()}`; + + return { + ok: false, + errors: [ + { + ruleId: null, + fatal: true, + severity: 2, + message, + line: ex.lineNumber, + column: ex.column, + nodeType: null, + }, + ], + }; + } + + if (typeof blocks.then === "function") { + throw new Error("Unsupported: Preprocessor returned a promise."); + } + + return { + ok: true, + files: blocks.map((block, i) => { + // Legacy behavior: return the block as a string + if (typeof block === "string") { + return block; + } + + const filePath = path.join(file.path, `${i}_${block.filename}`); + + return new VFile(filePath, block.text, { + physicalPath: file.physicalPath, + }); + }), + }; + } + + /** + * Postprocesses the given messages synchronously. + * @param {VFile} file The file to postprocess. + * @param {LintMessage[][]} messages The messages to postprocess. + * @param {{processor:Processor}} config The configuration to use. + * @returns {LintMessage[]} The postprocessed messages. + */ + postprocessSync(file, messages, config) { + const { processor } = config; + + return processor.postprocess(messages, file.path); + } +} + +module.exports = { ProcessorService }; diff --git a/module/node_modules/eslint/lib/services/suppressions-service.js b/module/node_modules/eslint/lib/services/suppressions-service.js new file mode 100644 index 000000000..c02e59f3e --- /dev/null +++ b/module/node_modules/eslint/lib/services/suppressions-service.js @@ -0,0 +1,302 @@ +/** + * @fileoverview Manages the suppressed violations. + * @author Iacovos Constantinou + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +const fs = require("node:fs"); +const path = require("node:path"); +const { calculateStatsPerFile } = require("../eslint/eslint-helpers"); +const stringify = require("json-stable-stringify-without-jsonify"); + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +// For VSCode IntelliSense +/** @typedef {import("../types").Linter.LintMessage} LintMessage */ +/** @typedef {import("../types").ESLint.LintResult} LintResult */ +/** @typedef {Record>} SuppressedViolations */ + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Manages the suppressed violations. + */ +class SuppressionsService { + filePath = ""; + cwd = ""; + + /** + * Creates a new instance of SuppressionsService. + * @param {Object} options The options. + * @param {string} [options.filePath] The location of the suppressions file. + * @param {string} [options.cwd] The current working directory. + */ + constructor({ filePath, cwd }) { + this.filePath = filePath; + this.cwd = cwd; + } + + /** + * Updates the suppressions file based on the current violations and the provided rules. + * If no rules are provided, all violations are suppressed. + * @param {LintResult[]|undefined} results The lint results. + * @param {string[]|undefined} rules The rules to suppress. + * @returns {Promise} + */ + async suppress(results, rules) { + const suppressions = await this.load(); + + for (const result of results) { + const relativeFilePath = this.getRelativeFilePath(result.filePath); + const violationsByRule = SuppressionsService.countViolationsByRule( + result.messages, + ); + + for (const ruleId in violationsByRule) { + if (rules && !rules.includes(ruleId)) { + continue; + } + + suppressions[relativeFilePath] ??= {}; + suppressions[relativeFilePath][ruleId] = + violationsByRule[ruleId]; + } + } + + return this.save(suppressions); + } + + /** + * Removes old, unused suppressions for violations that do not occur anymore. + * @param {LintResult[]} results The lint results. + * @returns {Promise} No return value. + */ + async prune(results) { + const suppressions = await this.load(); + const { unused } = this.applySuppressions(results, suppressions); + + for (const file in unused) { + if (!suppressions[file]) { + continue; + } + + for (const rule in unused[file]) { + if (!suppressions[file][rule]) { + continue; + } + + const suppressionsCount = suppressions[file][rule].count; + const violationsCount = unused[file][rule].count; + + if (suppressionsCount === violationsCount) { + // Remove unused rules + delete suppressions[file][rule]; + } else { + // Update the count to match the new number of violations + suppressions[file][rule].count -= violationsCount; + } + } + + // Cleanup files with no rules + if (Object.keys(suppressions[file]).length === 0) { + delete suppressions[file]; + } + } + + for (const file of Object.keys(suppressions)) { + const absolutePath = path.resolve(this.cwd, file); + + if (!fs.existsSync(absolutePath)) { + delete suppressions[file]; + } + } + + return this.save(suppressions); + } + + /** + * Checks the provided suppressions against the lint results. + * + * For each file, counts the number of violations per rule. + * For each rule in each file, compares the number of violations against the counter from the suppressions file. + * If the number of violations is less or equal to the counter, messages are moved to `LintResult#suppressedMessages` and ignored. + * Otherwise, all violations are reported as usual. + * @param {LintResult[]} results The lint results. + * @param {SuppressedViolations} suppressions The suppressions. + * @returns {{ + * results: LintResult[], + * unused: SuppressedViolations + * }} The updated results and the unused suppressions. + */ + applySuppressions(results, suppressions) { + /** + * We copy the results to avoid modifying the original objects + * We remove only result messages that are matched and hence suppressed + * We leave the rest untouched to minimize the risk of losing parts of the original data + */ + const filtered = structuredClone(results); + const unused = {}; + + for (const result of filtered) { + const relativeFilePath = this.getRelativeFilePath(result.filePath); + + if (!suppressions[relativeFilePath]) { + continue; + } + + const violationsByRule = SuppressionsService.countViolationsByRule( + result.messages, + ); + let wasSuppressed = false; + + for (const ruleId in violationsByRule) { + if (!suppressions[relativeFilePath][ruleId]) { + continue; + } + + const suppressionsCount = + suppressions[relativeFilePath][ruleId].count; + const violationsCount = violationsByRule[ruleId].count; + + // Suppress messages if the number of violations is less or equal to the suppressions count + if (violationsCount <= suppressionsCount) { + SuppressionsService.suppressMessagesByRule(result, ruleId); + wasSuppressed = true; + } + + // Update the count to match the new number of violations, otherwise remove the rule entirely + if (violationsCount < suppressionsCount) { + unused[relativeFilePath] ??= {}; + unused[relativeFilePath][ruleId] ??= {}; + unused[relativeFilePath][ruleId].count = + suppressionsCount - violationsCount; + } + } + + // Mark as unused all the suppressions that were not matched against a rule + for (const ruleId in suppressions[relativeFilePath]) { + if (violationsByRule[ruleId]) { + continue; + } + + unused[relativeFilePath] ??= {}; + unused[relativeFilePath][ruleId] = + suppressions[relativeFilePath][ruleId]; + } + + // Recalculate stats if messages were suppressed + if (wasSuppressed) { + Object.assign(result, calculateStatsPerFile(result.messages)); + } + } + + return { + results: filtered, + unused, + }; + } + + /** + * Loads the suppressions file. + * @throws {Error} If the suppressions file cannot be parsed. + * @returns {Promise} The suppressions. + */ + async load() { + try { + const data = await fs.promises.readFile(this.filePath, "utf8"); + + return JSON.parse(data); + } catch (err) { + if (err.code === "ENOENT") { + return {}; + } + throw new Error( + `Failed to parse suppressions file at ${this.filePath}`, + { + cause: err, + }, + ); + } + } + + /** + * Updates the suppressions file. + * @param {SuppressedViolations} suppressions The suppressions to save. + * @returns {Promise} + * @private + */ + save(suppressions) { + return fs.promises.writeFile( + this.filePath, + stringify(suppressions, { space: 2 }), + ); + } + + /** + * Counts the violations by rule, ignoring warnings. + * @param {LintMessage[]} messages The messages to count. + * @returns {Record} The number of violations by rule. + */ + static countViolationsByRule(messages) { + return messages.reduce((totals, message) => { + if (message.severity === 2 && message.ruleId) { + totals[message.ruleId] ??= { count: 0 }; + totals[message.ruleId].count++; + } + return totals; + }, {}); + } + + /** + * Returns the relative path of a file to the current working directory. + * Always in POSIX format for consistency and interoperability. + * @param {string} filePath The file path. + * @returns {string} The relative file path. + */ + getRelativeFilePath(filePath) { + return path + .relative(this.cwd, filePath) + .split(path.sep) + .join(path.posix.sep); + } + + /** + * Moves the messages matching the rule to `LintResult#suppressedMessages` and updates the stats. + * @param {LintResult} result The result to update. + * @param {string} ruleId The rule to suppress. + * @returns {void} + */ + static suppressMessagesByRule(result, ruleId) { + const suppressedMessages = result.messages.filter( + message => message.ruleId === ruleId, + ); + + result.suppressedMessages = result.suppressedMessages.concat( + suppressedMessages.map(message => { + message.suppressions = [ + { + kind: "file", + justification: "", + }, + ]; + + return message; + }), + ); + + result.messages = result.messages.filter( + message => message.ruleId !== ruleId, + ); + } +} + +module.exports = { SuppressionsService }; diff --git a/module/node_modules/eslint/lib/services/warning-service.js b/module/node_modules/eslint/lib/services/warning-service.js new file mode 100644 index 000000000..38d63fe77 --- /dev/null +++ b/module/node_modules/eslint/lib/services/warning-service.js @@ -0,0 +1,111 @@ +/** + * @fileoverview Emits warnings for ESLint. + * @author Francesco Trotta + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * A service that emits warnings for ESLint. + */ +class WarningService { + /** + * Creates a new instance of the service. + * @param {{ emitWarning?: ((warning: string, type: string) => void) | undefined }} [options] A function called internally to emit warnings using API provided by the runtime. + */ + constructor({ + emitWarning = globalThis.process?.emitWarning ?? (() => {}), + } = {}) { + this.emitWarning = emitWarning; + } + + /** + * Emits a warning when circular fixes are detected while fixing a file. + * This method is used by the Linter and is safe to call outside Node.js. + * @param {string} filename The name of the file being fixed. + * @returns {void} + */ + emitCircularFixesWarning(filename) { + this.emitWarning( + `Circular fixes detected while fixing ${filename}. It is likely that you have conflicting rules in your configuration.`, + "ESLintCircularFixesWarning", + ); + } + + /** + * Emits a warning when an empty config file has been loaded. + * @param {string} configFilePath The path to the config file. + * @returns {void} + */ + emitEmptyConfigWarning(configFilePath) { + this.emitWarning( + `Running ESLint with an empty config (from ${configFilePath}). Please double-check that this is what you want. If you want to run ESLint with an empty config, export [{}] to remove this warning.`, + "ESLintEmptyConfigWarning", + ); + } + + /** + * Emits a warning when an ".eslintignore" file is found. + * @returns {void} + */ + emitESLintIgnoreWarning() { + this.emitWarning( + 'The ".eslintignore" file is no longer supported. Switch to using the "ignores" property in "eslint.config.js": https://eslint.org/docs/latest/use/configure/migration-guide#ignoring-files', + "ESLintIgnoreWarning", + ); + } + + /** + * Emits a warning when the ESLINT_USE_FLAT_CONFIG environment variable is set to "false". + * @returns {void} + */ + emitESLintRCWarning() { + this.emitWarning( + "You are using an eslintrc configuration file, which is deprecated and support will be removed in v10.0.0. Please migrate to an eslint.config.js file. See https://eslint.org/docs/latest/use/configure/migration-guide for details. An eslintrc configuration file is used because you have the ESLINT_USE_FLAT_CONFIG environment variable set to false. If you want to use an eslint.config.js file, remove the environment variable. If you want to find the location of the eslintrc configuration file, use the --debug flag.", + "ESLintRCWarning", + ); + } + + /** + * Emits a warning when an inactive flag is used. + * This method is used by the Linter and is safe to call outside Node.js. + * @param {string} flag The name of the flag. + * @param {string} message The warning message. + * @returns {void} + */ + emitInactiveFlagWarning(flag, message) { + this.emitWarning(message, `ESLintInactiveFlag_${flag}`); + } + + /** + * Emits a warning when a suboptimal concurrency setting is detected. + * Currently, this is only used to warn when the net linting ratio is low. + * @param {string} notice A notice about how to improve performance. + * @returns {void} + */ + emitPoorConcurrencyWarning(notice) { + this.emitWarning( + `You may ${notice} to improve performance.`, + "ESLintPoorConcurrencyWarning", + ); + } + + /** + * Emits a warning when eslint-env configuration comments are found. + * @param {string} filename The name of the file being linted. + * @param {number} line The line number of the comment. + * @returns {void} + */ + emitESLintEnvWarning(filename, line) { + this.emitWarning( + `/* eslint-env */ comments are no longer recognized when linting with flat config and will be reported as errors as of v10.0.0. Replace them with /* global */ comments or define globals in your config file. See https://eslint.org/docs/latest/use/configure/migration-guide#eslint-env-configuration-comments for details. Found in ${filename} at line ${line}.`, + "ESLintEnvWarning", + ); + } +} + +module.exports = { WarningService }; diff --git a/module/node_modules/eslint/lib/shared/ajv.js b/module/node_modules/eslint/lib/shared/ajv.js new file mode 100644 index 000000000..5c5c41bd7 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/ajv.js @@ -0,0 +1,34 @@ +/** + * @fileoverview The instance of Ajv validator. + * @author Evgeny Poberezkin + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const Ajv = require("ajv"), + metaSchema = require("ajv/lib/refs/json-schema-draft-04.json"); + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = (additionalOptions = {}) => { + const ajv = new Ajv({ + meta: false, + useDefaults: true, + validateSchema: false, + missingRefs: "ignore", + verbose: true, + schemaId: "auto", + ...additionalOptions, + }); + + ajv.addMetaSchema(metaSchema); + // eslint-disable-next-line no-underscore-dangle -- Ajv's API + ajv._opts.defaultMeta = metaSchema.id; + + return ajv; +}; diff --git a/module/node_modules/eslint/lib/shared/assert.js b/module/node_modules/eslint/lib/shared/assert.js new file mode 100644 index 000000000..4dcaf41f8 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/assert.js @@ -0,0 +1,21 @@ +/** + * @fileoverview Assertion utilities equivalent to the Node.js node:asserts module. + * @author Josh Goldberg + */ + +"use strict"; + +/** + * Throws an error if the input is not truthy. + * @param {unknown} value The input that is checked for being truthy. + * @param {string} message Message to throw if the input is not truthy. + * @returns {void} + * @throws {Error} When the condition is not truthy. + */ +function ok(value, message = "Assertion failed.") { + if (!value) { + throw new Error(message); + } +} + +module.exports = ok; diff --git a/module/node_modules/eslint/lib/shared/ast-utils.js b/module/node_modules/eslint/lib/shared/ast-utils.js new file mode 100644 index 000000000..f7736828b --- /dev/null +++ b/module/node_modules/eslint/lib/shared/ast-utils.js @@ -0,0 +1,30 @@ +/** + * @fileoverview Common utils for AST. + * + * This file contains only shared items for core and rules. + * If you make a utility for rules, please see `../rules/utils/ast-utils.js`. + * + * @author Toru Nagashima + */ +"use strict"; + +const breakableTypePattern = + /^(?:(?:Do)?While|For(?:In|Of)?|Switch)Statement$/u; +const lineBreakPattern = /\r\n|[\r\n\u2028\u2029]/u; +const shebangPattern = /^#!([^\r\n]+)/u; + +/** + * Creates a version of the `lineBreakPattern` regex with the global flag. + * Global regexes are mutable, so this needs to be a function instead of a constant. + * @returns {RegExp} A global regular expression that matches line terminators + */ +function createGlobalLinebreakMatcher() { + return new RegExp(lineBreakPattern.source, "gu"); +} + +module.exports = { + breakableTypePattern, + lineBreakPattern, + createGlobalLinebreakMatcher, + shebangPattern, +}; diff --git a/module/node_modules/eslint/lib/shared/deep-merge-arrays.js b/module/node_modules/eslint/lib/shared/deep-merge-arrays.js new file mode 100644 index 000000000..4a8289c46 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/deep-merge-arrays.js @@ -0,0 +1,62 @@ +/** + * @fileoverview Applies default rule options + * @author JoshuaKGoldberg + */ + +"use strict"; + +/** + * Check if the variable contains an object strictly rejecting arrays + * @param {unknown} value an object + * @returns {boolean} Whether value is an object + */ +function isObjectNotArray(value) { + return typeof value === "object" && value !== null && !Array.isArray(value); +} + +/** + * Deeply merges second on top of first, creating a new {} object if needed. + * @param {T} first Base, default value. + * @param {U} second User-specified value. + * @returns {T | U | (T & U)} Merged equivalent of second on top of first. + */ +function deepMergeObjects(first, second) { + if (second === void 0) { + return first; + } + + if (!isObjectNotArray(first) || !isObjectNotArray(second)) { + return second; + } + + const result = { ...first, ...second }; + + for (const key of Object.keys(second)) { + if (Object.prototype.propertyIsEnumerable.call(first, key)) { + result[key] = deepMergeObjects(first[key], second[key]); + } + } + + return result; +} + +/** + * Deeply merges second on top of first, creating a new [] array if needed. + * @param {T[]} first Base, default values. + * @param {U[]} second User-specified values. + * @returns {(T | U | (T & U))[]} Merged equivalent of second on top of first. + */ +function deepMergeArrays(first, second) { + if (!first || !second) { + return second || first || []; + } + + return [ + ...first.map((value, i) => + deepMergeObjects(value, i < second.length ? second[i] : void 0), + ), + ...second.slice(first.length), + ]; +} + +module.exports = { deepMergeArrays }; diff --git a/module/node_modules/eslint/lib/shared/directives.js b/module/node_modules/eslint/lib/shared/directives.js new file mode 100644 index 000000000..f1dddf597 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/directives.js @@ -0,0 +1,16 @@ +/** + * @fileoverview Common utils for directives. + * + * This file contains only shared items for directives. + * If you make a utility for rules, please see `../rules/utils/ast-utils.js`. + * + * @author gfyoung + */ +"use strict"; + +const directivesPattern = + /^(eslint(?:-env|-enable|-disable(?:(?:-next)?-line)?)?|exported|globals?)(?:\s|$)/u; + +module.exports = { + directivesPattern, +}; diff --git a/module/node_modules/eslint/lib/shared/flags.js b/module/node_modules/eslint/lib/shared/flags.js new file mode 100644 index 000000000..e87e633c3 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/flags.js @@ -0,0 +1,108 @@ +/** + * @fileoverview Shared flags for ESLint. + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Typedefs +//------------------------------------------------------------------------------ + +/** + * @typedef {Object} InactiveFlagData + * @property {string} description Flag description + * @property {string | null} [replacedBy] Can be either: + * - An active flag (string) that enables the same feature. + * - `null` if the feature is now enabled by default. + * - Omitted if the feature has been abandoned. + */ + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * The set of flags that change ESLint behavior with a description. + * @type {Map} + */ +const activeFlags = new Map([ + ["test_only", "Used only for testing."], + ["test_only_2", "Used only for testing."], + [ + "v10_config_lookup_from_file", + "Look up `eslint.config.js` from the file being linted.", + ], + [ + "unstable_native_nodejs_ts_config", + "Use native Node.js to load TypeScript configuration.", + ], +]); + +/** + * The set of flags that used to be active. + * @type {Map} + */ +const inactiveFlags = new Map([ + [ + "test_only_replaced", + { + description: + "Used only for testing flags that have been replaced by other flags.", + replacedBy: "test_only", + }, + ], + [ + "test_only_enabled_by_default", + { + description: + "Used only for testing flags whose features have been enabled by default.", + replacedBy: null, + }, + ], + [ + "test_only_abandoned", + { + description: + "Used only for testing flags whose features have been abandoned.", + }, + ], + [ + "unstable_ts_config", + { + description: "Enable TypeScript configuration files.", + replacedBy: null, + }, + ], + [ + "unstable_config_lookup_from_file", + { + description: + "Look up `eslint.config.js` from the file being linted.", + replacedBy: "v10_config_lookup_from_file", + }, + ], +]); + +/** + * Creates a message that describes the reason the flag is inactive. + * @param {InactiveFlagData} inactiveFlagData Data for the inactive flag. + * @returns {string} Message describing the reason the flag is inactive. + */ +function getInactivityReasonMessage({ replacedBy }) { + if (typeof replacedBy === "undefined") { + return "This feature has been abandoned."; + } + + if (typeof replacedBy === "string") { + return `This flag has been renamed '${replacedBy}' to reflect its stabilization. Please use '${replacedBy}' instead.`; + } + + // null + return "This feature is now enabled by default."; +} + +module.exports = { + activeFlags, + inactiveFlags, + getInactivityReasonMessage, +}; diff --git a/module/node_modules/eslint/lib/shared/logging.js b/module/node_modules/eslint/lib/shared/logging.js new file mode 100644 index 000000000..3e8dfb0b0 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/logging.js @@ -0,0 +1,38 @@ +/** + * @fileoverview Handle logging for ESLint + * @author Gyandeep Singh + */ + +"use strict"; + +/* eslint no-console: "off" -- Logging util */ + +/* c8 ignore next */ +module.exports = { + /** + * Cover for console.info + * @param {...any} args The elements to log. + * @returns {void} + */ + info(...args) { + console.log(...args); + }, + + /** + * Cover for console.warn + * @param {...any} args The elements to log. + * @returns {void} + */ + warn(...args) { + console.warn(...args); + }, + + /** + * Cover for console.error + * @param {...any} args The elements to log. + * @returns {void} + */ + error(...args) { + console.error(...args); + }, +}; diff --git a/module/node_modules/eslint/lib/shared/naming.js b/module/node_modules/eslint/lib/shared/naming.js new file mode 100644 index 000000000..86621d138 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/naming.js @@ -0,0 +1,109 @@ +/** + * @fileoverview Common helpers for naming of plugins, formatters and configs + */ + +"use strict"; + +const NAMESPACE_REGEX = /^@.*\//u; + +/** + * Brings package name to correct format based on prefix + * @param {string} name The name of the package. + * @param {string} prefix Can be either "eslint-plugin", "eslint-config" or "eslint-formatter" + * @returns {string} Normalized name of the package + * @private + */ +function normalizePackageName(name, prefix) { + let normalizedName = name; + + /** + * On Windows, name can come in with Windows slashes instead of Unix slashes. + * Normalize to Unix first to avoid errors later on. + * https://github.com/eslint/eslint/issues/5644 + */ + if (normalizedName.includes("\\")) { + normalizedName = normalizedName.replace(/\\/gu, "/"); + } + + if (normalizedName.charAt(0) === "@") { + /** + * it's a scoped package + * package name is the prefix, or just a username + */ + const scopedPackageShortcutRegex = new RegExp( + `^(@[^/]+)(?:/(?:${prefix})?)?$`, + "u", + ), + scopedPackageNameRegex = new RegExp(`^${prefix}(-|$)`, "u"); + + if (scopedPackageShortcutRegex.test(normalizedName)) { + normalizedName = normalizedName.replace( + scopedPackageShortcutRegex, + `$1/${prefix}`, + ); + } else if (!scopedPackageNameRegex.test(normalizedName.split("/")[1])) { + /** + * for scoped packages, insert the prefix after the first / unless + * the path is already @scope/eslint or @scope/eslint-xxx-yyy + */ + normalizedName = normalizedName.replace( + /^@([^/]+)\/(.*)$/u, + `@$1/${prefix}-$2`, + ); + } + } else if (!normalizedName.startsWith(`${prefix}-`)) { + normalizedName = `${prefix}-${normalizedName}`; + } + + return normalizedName; +} + +/** + * Removes the prefix from a fullname. + * @param {string} fullname The term which may have the prefix. + * @param {string} prefix The prefix to remove. + * @returns {string} The term without prefix. + */ +function getShorthandName(fullname, prefix) { + if (fullname[0] === "@") { + let matchResult = new RegExp(`^(@[^/]+)/${prefix}$`, "u").exec( + fullname, + ); + + if (matchResult) { + return matchResult[1]; + } + + matchResult = new RegExp(`^(@[^/]+)/${prefix}-(.+)$`, "u").exec( + fullname, + ); + if (matchResult) { + return `${matchResult[1]}/${matchResult[2]}`; + } + } else if (fullname.startsWith(`${prefix}-`)) { + return fullname.slice(prefix.length + 1); + } + + return fullname; +} + +/** + * Gets the scope (namespace) of a term. + * @param {string} term The term which may have the namespace. + * @returns {string} The namespace of the term if it has one. + */ +function getNamespaceFromTerm(term) { + const match = term.match(NAMESPACE_REGEX); + + return match ? match[0] : ""; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = { + normalizePackageName, + getShorthandName, + getNamespaceFromTerm, +}; diff --git a/module/node_modules/eslint/lib/shared/option-utils.js b/module/node_modules/eslint/lib/shared/option-utils.js new file mode 100644 index 000000000..0917ba521 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/option-utils.js @@ -0,0 +1,63 @@ +/** + * @fileoverview Utilities to operate on option objects. + * @author Josh Goldberg + */ + +"use strict"; + +/** + * Determines whether any of input's properties are different + * from values that already exist in original. + * @template T + * @param {Partial} input New value. + * @param {T} original Original value. + * @returns {boolean} Whether input includes an explicit difference. + */ +function containsDifferentProperty(input, original) { + if (input === original) { + return false; + } + + if ( + typeof input !== typeof original || + Array.isArray(input) !== Array.isArray(original) + ) { + return true; + } + + if (Array.isArray(input)) { + return ( + input.length !== original.length || + input.some((value, i) => + containsDifferentProperty(value, original[i]), + ) + ); + } + + if (typeof input === "object") { + if (input === null || original === null) { + return true; + } + + const inputKeys = Object.keys(input); + const originalKeys = Object.keys(original); + + return ( + inputKeys.length !== originalKeys.length || + inputKeys.some( + inputKey => + !Object.hasOwn(original, inputKey) || + containsDifferentProperty( + input[inputKey], + original[inputKey], + ), + ) + ); + } + + return true; +} + +module.exports = { + containsDifferentProperty, +}; diff --git a/module/node_modules/eslint/lib/shared/relative-module-resolver.js b/module/node_modules/eslint/lib/shared/relative-module-resolver.js new file mode 100644 index 000000000..14e7eec16 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/relative-module-resolver.js @@ -0,0 +1,28 @@ +/** + * Utility for resolving a module relative to another module + * @author Teddy Katz + */ + +"use strict"; + +const Module = require("node:module"); + +/* + * `Module.createRequire` is added in v12.2.0. It supports URL as well. + * We only support the case where the argument is a filepath, not a URL. + */ +const createRequire = Module.createRequire; + +/** + * Resolves a Node module relative to another module + * @param {string} moduleName The name of a Node module, or a path to a Node module. + * @param {string} relativeToPath An absolute path indicating the module that `moduleName` should be resolved relative to. This must be + * a file rather than a directory, but the file need not actually exist. + * @returns {string} The absolute path that would result from calling `require.resolve(moduleName)` in a file located at `relativeToPath` + * @throws {Error} When the module cannot be resolved. + */ +function resolve(moduleName, relativeToPath) { + return createRequire(relativeToPath).resolve(moduleName); +} + +exports.resolve = resolve; diff --git a/module/node_modules/eslint/lib/shared/runtime-info.js b/module/node_modules/eslint/lib/shared/runtime-info.js new file mode 100644 index 000000000..54fd7609d --- /dev/null +++ b/module/node_modules/eslint/lib/shared/runtime-info.js @@ -0,0 +1,177 @@ +/** + * @fileoverview Utility to get information about the execution environment. + * @author Kai Cataldo + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const path = require("node:path"); +const spawn = require("cross-spawn"); +const os = require("node:os"); +const log = require("../shared/logging"); +const packageJson = require("../../package.json"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Generates and returns execution environment information. + * @returns {string} A string that contains execution environment information. + */ +function environment() { + const cache = new Map(); + + /** + * Checks if a path is a child of a directory. + * @param {string} parentPath The parent path to check. + * @param {string} childPath The path to check. + * @returns {boolean} Whether or not the given path is a child of a directory. + */ + function isChildOfDirectory(parentPath, childPath) { + return !path.relative(parentPath, childPath).startsWith(".."); + } + + /** + * Synchronously executes a shell command and formats the result. + * @param {string} cmd The command to execute. + * @param {Array} args The arguments to be executed with the command. + * @throws {Error} As may be collected by `cross-spawn.sync`. + * @returns {string} The version returned by the command. + */ + function execCommand(cmd, args) { + const key = [cmd, ...args].join(" "); + + if (cache.has(key)) { + return cache.get(key); + } + + const process = spawn.sync(cmd, args, { encoding: "utf8" }); + + if (process.error) { + throw process.error; + } + + const result = process.stdout.trim(); + + cache.set(key, result); + return result; + } + + /** + * Normalizes a version number. + * @param {string} versionStr The string to normalize. + * @returns {string} The normalized version number. + */ + function normalizeVersionStr(versionStr) { + return versionStr.startsWith("v") ? versionStr : `v${versionStr}`; + } + + /** + * Gets bin version. + * @param {string} bin The bin to check. + * @throws {Error} As may be collected by `cross-spawn.sync`. + * @returns {string} The normalized version returned by the command. + */ + function getBinVersion(bin) { + const binArgs = ["--version"]; + + try { + return normalizeVersionStr(execCommand(bin, binArgs)); + } catch (e) { + log.error( + `Error finding ${bin} version running the command \`${bin} ${binArgs.join(" ")}\``, + ); + throw e; + } + } + + /** + * Gets installed npm package version. + * @param {string} pkg The package to check. + * @param {boolean} global Whether to check globally or not. + * @throws {Error} As may be collected by `cross-spawn.sync`. + * @returns {string} The normalized version returned by the command. + */ + function getNpmPackageVersion(pkg, { global = false } = {}) { + const npmBinArgs = ["bin", "-g"]; + const npmLsArgs = ["ls", "--depth=0", "--json", pkg]; + + if (global) { + npmLsArgs.push("-g"); + } + + try { + const parsedStdout = JSON.parse(execCommand("npm", npmLsArgs)); + + /* + * Checking globally returns an empty JSON object, while local checks + * include the name and version of the local project. + */ + if ( + Object.keys(parsedStdout).length === 0 || + !(parsedStdout.dependencies && parsedStdout.dependencies.eslint) + ) { + return "Not found"; + } + + const [, processBinPath] = process.argv; + let npmBinPath; + + try { + npmBinPath = execCommand("npm", npmBinArgs); + } catch (e) { + log.error( + `Error finding npm binary path when running command \`npm ${npmBinArgs.join(" ")}\``, + ); + throw e; + } + + const isGlobal = isChildOfDirectory(npmBinPath, processBinPath); + let pkgVersion = parsedStdout.dependencies.eslint.version; + + if ((global && isGlobal) || (!global && !isGlobal)) { + pkgVersion += " (Currently used)"; + } + + return normalizeVersionStr(pkgVersion); + } catch (e) { + log.error( + `Error finding ${pkg} version running the command \`npm ${npmLsArgs.join(" ")}\``, + ); + throw e; + } + } + + return [ + "Environment Info:", + "", + `Node version: ${process.version}`, + `npm version: ${getBinVersion("npm")}`, + `Local ESLint version: ${getNpmPackageVersion("eslint", { global: false })}`, + `Global ESLint version: ${getNpmPackageVersion("eslint", { global: true })}`, + `Operating System: ${os.platform()} ${os.release()}`, + ].join("\n"); +} + +/** + * Returns version of currently executing ESLint. + * @returns {string} The version from the currently executing ESLint's package.json. + */ +function version() { + return `v${packageJson.version}`; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +module.exports = { + __esModule: true, // Indicate intent for imports, remove ambiguity for Knip (see: https://github.com/eslint/eslint/pull/18005#discussion_r1484422616) + environment, + version, +}; diff --git a/module/node_modules/eslint/lib/shared/serialization.js b/module/node_modules/eslint/lib/shared/serialization.js new file mode 100644 index 000000000..01cacf5ee --- /dev/null +++ b/module/node_modules/eslint/lib/shared/serialization.js @@ -0,0 +1,78 @@ +/** + * @fileoverview Serialization utils. + * @author Bryan Mishkin + */ + +"use strict"; + +/** + * Check if a value is a primitive or plain object created by the Object constructor. + * @param {any} val the value to check + * @returns {boolean} true if so + * @private + */ +function isSerializablePrimitiveOrPlainObject(val) { + return ( + val === null || + typeof val === "string" || + typeof val === "boolean" || + typeof val === "number" || + (typeof val === "object" && val.constructor === Object) || + Array.isArray(val) + ); +} + +/** + * Check if a value is serializable. + * Functions or objects like RegExp cannot be serialized by JSON.stringify(). + * Inspired by: https://stackoverflow.com/questions/30579940/reliable-way-to-check-if-objects-is-serializable-in-javascript + * @param {any} val The value + * @param {Set} seenObjects Objects already seen in this path from the root object. + * @returns {boolean} `true` if the value is serializable + */ +function isSerializable(val, seenObjects = new Set()) { + if (!isSerializablePrimitiveOrPlainObject(val)) { + return false; + } + if (typeof val === "object" && val !== null) { + if (seenObjects.has(val)) { + /* + * Since this is a depth-first traversal, encountering + * the same object again means there is a circular reference. + * Objects with circular references are not serializable. + */ + return false; + } + for (const property in val) { + if (Object.hasOwn(val, property)) { + if (!isSerializablePrimitiveOrPlainObject(val[property])) { + return false; + } + if ( + typeof val[property] === "object" && + val[property] !== null + ) { + if ( + /* + * We're creating a new Set of seen objects because we want to + * ensure that `val` doesn't appear again in this path, but it can appear + * in other paths. This allows for reusing objects in the graph, as long as + * there are no cycles. + */ + !isSerializable( + val[property], + new Set([...seenObjects, val]), + ) + ) { + return false; + } + } + } + } + } + return true; +} + +module.exports = { + isSerializable, +}; diff --git a/module/node_modules/eslint/lib/shared/severity.js b/module/node_modules/eslint/lib/shared/severity.js new file mode 100644 index 000000000..382704b5a --- /dev/null +++ b/module/node_modules/eslint/lib/shared/severity.js @@ -0,0 +1,49 @@ +/** + * @fileoverview Helpers for severity values (e.g. normalizing different types). + * @author Bryan Mishkin + */ + +"use strict"; + +/** + * Convert severity value of different types to a string. + * @param {string|number} severity severity value + * @throws error if severity is invalid + * @returns {string} severity string + */ +function normalizeSeverityToString(severity) { + if ([2, "2", "error"].includes(severity)) { + return "error"; + } + if ([1, "1", "warn"].includes(severity)) { + return "warn"; + } + if ([0, "0", "off"].includes(severity)) { + return "off"; + } + throw new Error(`Invalid severity value: ${severity}`); +} + +/** + * Convert severity value of different types to a number. + * @param {string|number} severity severity value + * @throws error if severity is invalid + * @returns {number} severity number + */ +function normalizeSeverityToNumber(severity) { + if ([2, "2", "error"].includes(severity)) { + return 2; + } + if ([1, "1", "warn"].includes(severity)) { + return 1; + } + if ([0, "0", "off"].includes(severity)) { + return 0; + } + throw new Error(`Invalid severity value: ${severity}`); +} + +module.exports = { + normalizeSeverityToString, + normalizeSeverityToNumber, +}; diff --git a/module/node_modules/eslint/lib/shared/stats.js b/module/node_modules/eslint/lib/shared/stats.js new file mode 100644 index 000000000..791b77083 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/stats.js @@ -0,0 +1,30 @@ +/** + * @fileoverview Provides helper functions to start/stop the time measurements + * that are provided by the ESLint 'stats' option. + * @author Mara Kiefer + */ +"use strict"; + +/** + * Start time measurement + * @returns {[number, number]} t variable for tracking time + */ +function startTime() { + return process.hrtime(); +} + +/** + * End time measurement + * @param {[number, number]} t Variable for tracking time + * @returns {number} The measured time in milliseconds + */ +function endTime(t) { + const time = process.hrtime(t); + + return time[0] * 1e3 + time[1] / 1e6; +} + +module.exports = { + startTime, + endTime, +}; diff --git a/module/node_modules/eslint/lib/shared/string-utils.js b/module/node_modules/eslint/lib/shared/string-utils.js new file mode 100644 index 000000000..954c5bfff --- /dev/null +++ b/module/node_modules/eslint/lib/shared/string-utils.js @@ -0,0 +1,58 @@ +/** + * @fileoverview Utilities to operate on strings. + * @author Stephen Wade + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +// eslint-disable-next-line no-control-regex -- intentionally including control characters +const ASCII_REGEX = /^[\u0000-\u007f]*$/u; + +/** @type {Intl.Segmenter | undefined} */ +let segmenter; + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Converts the first letter of a string to uppercase. + * @param {string} string The string to operate on + * @returns {string} The converted string + */ +function upperCaseFirst(string) { + if (string.length <= 1) { + return string.toUpperCase(); + } + return string[0].toUpperCase() + string.slice(1); +} + +/** + * Counts graphemes in a given string. + * @param {string} value A string to count graphemes. + * @returns {number} The number of graphemes in `value`. + */ +function getGraphemeCount(value) { + if (ASCII_REGEX.test(value)) { + return value.length; + } + + segmenter ??= new Intl.Segmenter("en-US"); // en-US locale should be supported everywhere + let graphemeCount = 0; + + // eslint-disable-next-line no-unused-vars -- for-of needs a variable + for (const unused of segmenter.segment(value)) { + graphemeCount++; + } + + return graphemeCount; +} + +module.exports = { + upperCaseFirst, + getGraphemeCount, +}; diff --git a/module/node_modules/eslint/lib/shared/text-table.js b/module/node_modules/eslint/lib/shared/text-table.js new file mode 100644 index 000000000..1dfd48166 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/text-table.js @@ -0,0 +1,68 @@ +/** + * @fileoverview Optimized version of the `text-table` npm module to improve performance by replacing inefficient regex-based + * whitespace trimming with a modern built-in method. + * + * This modification addresses a performance issue reported in https://github.com/eslint/eslint/issues/18709 + * + * The `text-table` module is published under the MIT License. For the original source, refer to: + * https://www.npmjs.com/package/text-table. + */ + +/* + * + * This software is released under the MIT license: + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of + * this software and associated documentation files (the "Software"), to deal in + * the Software without restriction, including without limitation the rights to + * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of + * the Software, and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR + * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER + * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +"use strict"; + +module.exports = function (rows_, opts) { + const hsep = " "; + const align = opts.align; + const stringLength = opts.stringLength; + + const sizes = rows_.reduce((acc, row) => { + row.forEach((c, ix) => { + const n = stringLength(c); + + if (!acc[ix] || n > acc[ix]) { + acc[ix] = n; + } + }); + return acc; + }, []); + + return rows_ + .map(row => + row + .map((c, ix) => { + const n = sizes[ix] - stringLength(c) || 0; + const s = Array(Math.max(n + 1, 1)).join(" "); + + if (align[ix] === "r") { + return s + c; + } + + return c + s; + }) + .join(hsep) + .trimEnd(), + ) + .join("\n"); +}; diff --git a/module/node_modules/eslint/lib/shared/translate-cli-options.js b/module/node_modules/eslint/lib/shared/translate-cli-options.js new file mode 100644 index 000000000..d765f8046 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/translate-cli-options.js @@ -0,0 +1,281 @@ +/** + * @fileoverview Translates CLI options into ESLint constructor options. + * @author Nicholas C. Zakas + * @author Francesco Trotta + */ + +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const { normalizeSeverityToString } = require("./severity"); +const { getShorthandName, normalizePackageName } = require("./naming"); +const { ModuleImporter } = require("@humanwhocodes/module-importer"); + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @typedef {import("../types").ESLint.Options} ESLintOptions */ +/** @typedef {import("../types").ESLint.LegacyOptions} LegacyESLintOptions */ +/** @typedef {import("../types").Linter.LintMessage} LintMessage */ +/** @typedef {import("../options").ParsedCLIOptions} ParsedCLIOptions */ +/** @typedef {import("../types").ESLint.Plugin} Plugin */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Loads plugins with the specified names. + * @param {{ "import": (name: string) => Promise }} importer An object with an `import` method called once for each plugin. + * @param {string[]} pluginNames The names of the plugins to be loaded, with or without the "eslint-plugin-" prefix. + * @returns {Promise>} A mapping of plugin short names to implementations. + */ +async function loadPlugins(importer, pluginNames) { + const plugins = {}; + + await Promise.all( + pluginNames.map(async pluginName => { + const longName = normalizePackageName(pluginName, "eslint-plugin"); + const module = await importer.import(longName); + + if (!("default" in module)) { + throw new Error( + `"${longName}" cannot be used with the \`--plugin\` option because its default module does not provide a \`default\` export`, + ); + } + + const shortName = getShorthandName(pluginName, "eslint-plugin"); + + plugins[shortName] = module.default; + }), + ); + + return plugins; +} + +/** + * Predicate function for whether or not to apply fixes in quiet mode. + * If a message is a warning, do not apply a fix. + * @param {LintMessage} message The lint result. + * @returns {boolean} True if the lint message is an error (and thus should be + * autofixed), false otherwise. + */ +function quietFixPredicate(message) { + return message.severity === 2; +} + +/** + * Predicate function for whether or not to run a rule in quiet mode. + * If a rule is set to warning, do not run it. + * @param {{ ruleId: string; severity: number; }} rule The rule id and severity. + * @returns {boolean} True if the lint rule should run, false otherwise. + */ +function quietRuleFilter(rule) { + return rule.severity === 2; +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +/** + * Translates the CLI options into the options expected by the ESLint constructor. + * @param {ParsedCLIOptions} cliOptions The CLI options to translate. + * @param {"flat"|"eslintrc"} [configType="eslintrc"] The format of the config to generate. + * @returns {Promise} The options object for the ESLint constructor. + */ +async function translateOptions( + { + cache, + cacheFile, + cacheLocation, + cacheStrategy, + concurrency, + config, + configLookup, + env, + errorOnUnmatchedPattern, + eslintrc, + ext, + fix, + fixDryRun, + fixType, + flag, + global, + ignore, + ignorePath, + ignorePattern, + inlineConfig, + parser, + parserOptions, + plugin, + quiet, + reportUnusedDisableDirectives, + reportUnusedDisableDirectivesSeverity, + reportUnusedInlineConfigs, + resolvePluginsRelativeTo, + rule, + rulesdir, + stats, + warnIgnored, + passOnNoPatterns, + maxWarnings, + }, + configType, +) { + let overrideConfig, overrideConfigFile; + const importer = new ModuleImporter(); + + if (configType === "flat") { + overrideConfigFile = + typeof config === "string" ? config : !configLookup; + if (overrideConfigFile === false) { + overrideConfigFile = void 0; + } + + const languageOptions = {}; + + if (global) { + languageOptions.globals = global.reduce((obj, name) => { + if (name.endsWith(":true")) { + obj[name.slice(0, -5)] = "writable"; + } else { + obj[name] = "readonly"; + } + return obj; + }, {}); + } + + if (parserOptions) { + languageOptions.parserOptions = parserOptions; + } + + if (parser) { + languageOptions.parser = await importer.import(parser); + } + + overrideConfig = [ + { + ...(Object.keys(languageOptions).length > 0 + ? { languageOptions } + : {}), + rules: rule ? rule : {}, + }, + ]; + + if ( + reportUnusedDisableDirectives || + reportUnusedDisableDirectivesSeverity !== void 0 + ) { + overrideConfig[0].linterOptions = { + reportUnusedDisableDirectives: reportUnusedDisableDirectives + ? "error" + : normalizeSeverityToString( + reportUnusedDisableDirectivesSeverity, + ), + }; + } + + if (reportUnusedInlineConfigs !== void 0) { + overrideConfig[0].linterOptions = { + ...overrideConfig[0].linterOptions, + reportUnusedInlineConfigs: normalizeSeverityToString( + reportUnusedInlineConfigs, + ), + }; + } + + if (plugin) { + overrideConfig[0].plugins = await loadPlugins(importer, plugin); + } + + if (ext) { + overrideConfig.push({ + files: ext.map( + extension => + `**/*${extension.startsWith(".") ? "" : "."}${extension}`, + ), + }); + } + } else { + overrideConfigFile = config; + + overrideConfig = { + env: + env && + env.reduce((obj, name) => { + obj[name] = true; + return obj; + }, {}), + globals: + global && + global.reduce((obj, name) => { + if (name.endsWith(":true")) { + obj[name.slice(0, -5)] = "writable"; + } else { + obj[name] = "readonly"; + } + return obj; + }, {}), + ignorePatterns: ignorePattern, + parser, + parserOptions, + plugins: plugin, + rules: rule, + }; + } + + const options = { + allowInlineConfig: inlineConfig, + cache, + cacheLocation: cacheLocation || cacheFile, + cacheStrategy, + errorOnUnmatchedPattern, + fix: (fix || fixDryRun) && (quiet ? quietFixPredicate : true), + fixTypes: fixType, + ignore, + overrideConfig, + overrideConfigFile, + passOnNoPatterns, + }; + + if (configType === "flat") { + options.concurrency = concurrency; + options.flags = flag; + options.ignorePatterns = ignorePattern; + options.stats = stats; + options.warnIgnored = warnIgnored; + + /* + * For performance reasons rules not marked as 'error' are filtered out in quiet mode. As maxWarnings + * requires rules set to 'warn' to be run, we only filter out 'warn' rules if maxWarnings is not specified. + */ + options.ruleFilter = + quiet && maxWarnings === -1 ? quietRuleFilter : () => true; + } else { + options.resolvePluginsRelativeTo = resolvePluginsRelativeTo; + options.rulePaths = rulesdir; + options.useEslintrc = eslintrc; + options.extensions = ext; + options.ignorePath = ignorePath; + if ( + reportUnusedDisableDirectives || + reportUnusedDisableDirectivesSeverity !== void 0 + ) { + options.reportUnusedDisableDirectives = + reportUnusedDisableDirectives + ? "error" + : normalizeSeverityToString( + reportUnusedDisableDirectivesSeverity, + ); + } + } + + return options; +} + +module.exports = translateOptions; diff --git a/module/node_modules/eslint/lib/shared/traverser.js b/module/node_modules/eslint/lib/shared/traverser.js new file mode 100644 index 000000000..e13b2cfa5 --- /dev/null +++ b/module/node_modules/eslint/lib/shared/traverser.js @@ -0,0 +1,202 @@ +/** + * @fileoverview Traverser to traverse AST trees. + * @author Nicholas C. Zakas + * @author Toru Nagashima + */ +"use strict"; + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +const vk = require("eslint-visitor-keys"); +const debug = require("debug")("eslint:traverser"); + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Do nothing. + * @returns {void} + */ +function noop() { + // do nothing. +} + +/** + * Check whether the given value is an ASTNode or not. + * @param {any} x The value to check. + * @returns {boolean} `true` if the value is an ASTNode. + */ +function isNode(x) { + return x !== null && typeof x === "object" && typeof x.type === "string"; +} + +/** + * Get the visitor keys of a given node. + * @param {Object} visitorKeys The map of visitor keys. + * @param {ASTNode} node The node to get their visitor keys. + * @returns {string[]} The visitor keys of the node. + */ +function getVisitorKeys(visitorKeys, node) { + let keys = visitorKeys[node.type]; + + if (!keys) { + keys = vk.getKeys(node); + debug( + 'Unknown node type "%s": Estimated visitor keys %j', + node.type, + keys, + ); + } + + return keys; +} + +/** + * The traverser class to traverse AST trees. + */ +class Traverser { + constructor() { + this._current = null; + this._parents = []; + this._skipped = false; + this._broken = false; + this._visitorKeys = null; + this._enter = null; + this._leave = null; + } + + /** + * Gives current node. + * @returns {ASTNode} The current node. + */ + current() { + return this._current; + } + + /** + * Gives a copy of the ancestor nodes. + * @returns {ASTNode[]} The ancestor nodes. + */ + parents() { + return this._parents.slice(0); + } + + /** + * Break the current traversal. + * @returns {void} + */ + break() { + this._broken = true; + } + + /** + * Skip child nodes for the current traversal. + * @returns {void} + */ + skip() { + this._skipped = true; + } + + /** + * Traverse the given AST tree. + * @param {ASTNode} node The root node to traverse. + * @param {Object} options The option object. + * @param {Object} [options.visitorKeys=DEFAULT_VISITOR_KEYS] The keys of each node types to traverse child nodes. Default is `./default-visitor-keys.json`. + * @param {Function} [options.enter=noop] The callback function which is called on entering each node. + * @param {Function} [options.leave=noop] The callback function which is called on leaving each node. + * @returns {void} + */ + traverse(node, options) { + this._current = null; + this._parents = []; + this._skipped = false; + this._broken = false; + this._visitorKeys = options.visitorKeys || vk.KEYS; + this._enter = options.enter || noop; + this._leave = options.leave || noop; + this._traverse(node, null); + } + + /** + * Traverse the given AST tree recursively. + * @param {ASTNode} node The current node. + * @param {ASTNode|null} parent The parent node. + * @returns {void} + * @private + */ + _traverse(node, parent) { + if (!isNode(node)) { + return; + } + + this._current = node; + this._skipped = false; + this._enter(node, parent); + + if (!this._skipped && !this._broken) { + const keys = getVisitorKeys(this._visitorKeys, node); + + if (keys.length >= 1) { + this._parents.push(node); + for (let i = 0; i < keys.length && !this._broken; ++i) { + const child = node[keys[i]]; + + if (Array.isArray(child)) { + for ( + let j = 0; + j < child.length && !this._broken; + ++j + ) { + this._traverse(child[j], node); + } + } else { + this._traverse(child, node); + } + } + this._parents.pop(); + } + } + + if (!this._broken) { + this._leave(node, parent); + } + + this._current = parent; + } + + /** + * Calculates the keys to use for traversal. + * @param {ASTNode} node The node to read keys from. + * @returns {string[]} An array of keys to visit on the node. + * @private + */ + static getKeys(node) { + return vk.getKeys(node); + } + + /** + * Traverse the given AST tree. + * @param {ASTNode} node The root node to traverse. + * @param {Object} options The option object. + * @param {Object} [options.visitorKeys=DEFAULT_VISITOR_KEYS] The keys of each node types to traverse child nodes. Default is `./default-visitor-keys.json`. + * @param {Function} [options.enter=noop] The callback function which is called on entering each node. + * @param {Function} [options.leave=noop] The callback function which is called on leaving each node. + * @returns {void} + */ + static traverse(node, options) { + new Traverser().traverse(node, options); + } + + /** + * The default visitor keys. + * @type {Object} + */ + static get DEFAULT_VISITOR_KEYS() { + return vk.KEYS; + } +} + +module.exports = Traverser; diff --git a/module/node_modules/eslint/lib/types/config-api.d.ts b/module/node_modules/eslint/lib/types/config-api.d.ts new file mode 100644 index 000000000..e795add86 --- /dev/null +++ b/module/node_modules/eslint/lib/types/config-api.d.ts @@ -0,0 +1,12 @@ +/** + * @fileoverview typings for "eslint/config" module + * @author Nicholas C. Zakas + */ + +import { + type Config, + defineConfig, + globalIgnores, +} from "@eslint/config-helpers"; + +export { type Config, defineConfig, globalIgnores }; diff --git a/module/node_modules/eslint/lib/types/index.d.ts b/module/node_modules/eslint/lib/types/index.d.ts new file mode 100644 index 000000000..e316106be --- /dev/null +++ b/module/node_modules/eslint/lib/types/index.d.ts @@ -0,0 +1,1473 @@ +/** + * @fileoverview This file contains the core types for ESLint. It was initially extracted + * from the `@types/eslint` package. + */ + +/* + * MIT License + * Copyright (c) Microsoft Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE + */ + +import * as ESTree from "estree"; +import type { + CustomRuleDefinitionType, + CustomRuleTypeDefinitions, + DeprecatedInfo, + LanguageOptions as GenericLanguageOptions, + RuleContext as CoreRuleContext, + RuleDefinition, + SourceRange, + TextSourceCode, + TraversalStep, + RulesConfig, + GlobalAccess, + GlobalsConfig, + LinterOptionsConfig, + EnvironmentConfig, + ObjectMetaProperties as CoreObjectMetaProperties, + Plugin as CorePlugin, + LintMessage as CoreLintMessage, + Processor as CoreProcessor, + ConfigObject, + LegacyConfigObject, + SeverityName, + SeverityLevel, + Severity as CoreSeverity, + EcmaVersion as CoreEcmaVersion, + ConfigOverride as CoreConfigOverride, + ProcessorFile as CoreProcessorFile, + JavaScriptParserOptionsConfig, + RulesMeta, + RuleConfig, + RuleTextEditor, + RuleTextEdit, + RuleVisitor, + BaseConfig as CoreBaseConfig, + RuleFixer as CoreRuleFixer, + ViolationReportBase, + ViolationMessage, + ViolationLocation, + SuggestionMessage, + LintSuggestion as CoreLintSuggestion, + JavaScriptSourceType, + HasRules as CoreHasRules, + SuggestedEditBase, + SuggestedEdit, + ViolationReport, +} from "@eslint/core"; +import { LegacyESLint } from "./use-at-your-own-risk.js"; + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** Adds matching `:exit` selectors for all properties of a `RuleVisitor`. */ +type WithExit = { + [Key in keyof RuleVisitorType as + | Key + | `${Key & string}:exit`]: RuleVisitorType[Key]; +}; + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +export namespace AST { + type TokenType = + | "Boolean" + | "Null" + | "Identifier" + | "PrivateIdentifier" + | "Keyword" + | "Punctuator" + | "JSXIdentifier" + | "JSXText" + | "Numeric" + | "String" + | "Template" + | "RegularExpression"; + + interface Token { + type: TokenType; + value: string; + range: Range; + loc: SourceLocation; + } + + interface SourceLocation { + start: ESTree.Position; + end: ESTree.Position; + } + + type Range = [number, number]; + + interface Program extends ESTree.Program { + comments: ESTree.Comment[]; + tokens: Token[]; + loc: SourceLocation; + range: Range; + } +} + +export namespace Scope { + interface ScopeManager { + scopes: Scope[]; + globalScope: Scope | null; + + acquire(node: ESTree.Node, inner?: boolean): Scope | null; + + getDeclaredVariables(node: ESTree.Node): Variable[]; + } + + interface Scope { + type: + | "block" + | "catch" + | "class" + | "class-field-initializer" + | "class-static-block" + | "for" + | "function" + | "function-expression-name" + | "global" + | "module" + | "switch" + | "with" + | "TDZ"; + isStrict: boolean; + upper: Scope | null; + childScopes: Scope[]; + variableScope: Scope; + block: ESTree.Node; + variables: Variable[]; + set: Map; + references: Reference[]; + through: Reference[]; + functionExpressionScope: boolean; + implicit?: { + variables: Variable[]; + set: Map; + }; + } + + interface Variable { + name: string; + scope: Scope; + identifiers: ESTree.Identifier[]; + references: Reference[]; + defs: Definition[]; + } + + interface Reference { + identifier: ESTree.Identifier; + from: Scope; + resolved: Variable | null; + writeExpr: ESTree.Node | null; + init: boolean; + + isWrite(): boolean; + + isRead(): boolean; + + isWriteOnly(): boolean; + + isReadOnly(): boolean; + + isReadWrite(): boolean; + } + + type DefinitionType = + | { type: "CatchClause"; node: ESTree.CatchClause; parent: null } + | { + type: "ClassName"; + node: ESTree.ClassDeclaration | ESTree.ClassExpression; + parent: null; + } + | { + type: "FunctionName"; + node: ESTree.FunctionDeclaration | ESTree.FunctionExpression; + parent: null; + } + | { + type: "ImplicitGlobalVariable"; + node: + | ESTree.AssignmentExpression + | ESTree.ForInStatement + | ESTree.ForOfStatement; + parent: null; + } + | { + type: "ImportBinding"; + node: + | ESTree.ImportSpecifier + | ESTree.ImportDefaultSpecifier + | ESTree.ImportNamespaceSpecifier; + parent: ESTree.ImportDeclaration; + } + | { + type: "Parameter"; + node: + | ESTree.FunctionDeclaration + | ESTree.FunctionExpression + | ESTree.ArrowFunctionExpression; + parent: null; + } + | { type: "TDZ"; node: any; parent: null } + | { + type: "Variable"; + node: ESTree.VariableDeclarator; + parent: ESTree.VariableDeclaration; + }; + + type Definition = DefinitionType & { name: ESTree.Identifier }; +} + +// #region SourceCode + +export class SourceCode + implements + TextSourceCode<{ + LangOptions: Linter.LanguageOptions; + RootNode: AST.Program; + SyntaxElementWithLoc: AST.Token | ESTree.Node; + ConfigNode: ESTree.Comment; + }> +{ + text: string; + ast: AST.Program; + lines: string[]; + hasBOM: boolean; + parserServices: SourceCode.ParserServices; + scopeManager: Scope.ScopeManager; + visitorKeys: SourceCode.VisitorKeys; + + constructor(text: string, ast: AST.Program); + constructor(config: SourceCode.Config); + + static splitLines(text: string): string[]; + + getLoc(syntaxElement: AST.Token | ESTree.Node): ESTree.SourceLocation; + getRange(syntaxElement: AST.Token | ESTree.Node): SourceRange; + + getText( + node?: ESTree.Node, + beforeCount?: number, + afterCount?: number, + ): string; + + getLines(): string[]; + + getAllComments(): ESTree.Comment[]; + + getAncestors(node: ESTree.Node): ESTree.Node[]; + + getDeclaredVariables(node: ESTree.Node): Scope.Variable[]; + + /** @deprecated */ + getJSDocComment(node: ESTree.Node): ESTree.Comment | null; + + getNodeByRangeIndex(index: number): ESTree.Node | null; + + /** @deprecated Use `isSpaceBetween()` instead. */ + isSpaceBetweenTokens( + first: ESTree.Node | AST.Token, + second: ESTree.Node | AST.Token, + ): boolean; + + getLocFromIndex(index: number): ESTree.Position; + + getIndexFromLoc(location: ESTree.Position): number; + + // Inherited methods from TokenStore + // --------------------------------- + + getTokenByRangeStart( + offset: number, + options?: { includeComments: false }, + ): AST.Token | null; + getTokenByRangeStart( + offset: number, + options: { includeComments: boolean }, + ): AST.Token | ESTree.Comment | null; + + getFirstToken: SourceCode.UnaryNodeCursorWithSkipOptions; + + getFirstTokens: SourceCode.UnaryNodeCursorWithCountOptions; + + getLastToken: SourceCode.UnaryNodeCursorWithSkipOptions; + + getLastTokens: SourceCode.UnaryNodeCursorWithCountOptions; + + getTokenBefore: SourceCode.UnaryCursorWithSkipOptions; + + getTokensBefore: SourceCode.UnaryCursorWithCountOptions; + + getTokenAfter: SourceCode.UnaryCursorWithSkipOptions; + + getTokensAfter: SourceCode.UnaryCursorWithCountOptions; + + /** @deprecated Use `getTokenBefore()` instead. */ + getTokenOrCommentBefore( + node: ESTree.Node | AST.Token | ESTree.Comment, + skip?: number | undefined, + ): AST.Token | ESTree.Comment | null; + + /** @deprecated Use `getTokenAfter()` instead. */ + getTokenOrCommentAfter( + node: ESTree.Node | AST.Token | ESTree.Comment, + skip?: number | undefined, + ): AST.Token | ESTree.Comment | null; + + getFirstTokenBetween: SourceCode.BinaryCursorWithSkipOptions; + + getFirstTokensBetween: SourceCode.BinaryCursorWithCountOptions; + + getLastTokenBetween: SourceCode.BinaryCursorWithSkipOptions; + + getLastTokensBetween: SourceCode.BinaryCursorWithCountOptions; + + getTokensBetween: SourceCode.BinaryCursorWithCountOptions; + + getTokens: (( + node: ESTree.Node, + beforeCount?: number, + afterCount?: number, + ) => AST.Token[]) & + SourceCode.UnaryNodeCursorWithCountOptions; + + commentsExistBetween( + left: ESTree.Node | AST.Token | ESTree.Comment, + right: ESTree.Node | AST.Token | ESTree.Comment, + ): boolean; + + getCommentsBefore(nodeOrToken: ESTree.Node | AST.Token): ESTree.Comment[]; + + getCommentsAfter(nodeOrToken: ESTree.Node | AST.Token): ESTree.Comment[]; + + getCommentsInside(node: ESTree.Node): ESTree.Comment[]; + + getScope(node: ESTree.Node): Scope.Scope; + + isSpaceBetween( + first: ESTree.Node | AST.Token, + second: ESTree.Node | AST.Token, + ): boolean; + + isGlobalReference(node: ESTree.Identifier): boolean; + + markVariableAsUsed(name: string, refNode?: ESTree.Node): boolean; + + traverse(): Iterable; +} + +export namespace SourceCode { + interface Config { + text: string; + ast: AST.Program; + hasBOM?: boolean | undefined; + parserServices?: ParserServices | null | undefined; + scopeManager?: Scope.ScopeManager | null | undefined; + visitorKeys?: VisitorKeys | null | undefined; + } + + type ParserServices = any; + + interface VisitorKeys { + [nodeType: string]: string[]; + } + + interface UnaryNodeCursorWithSkipOptions { + ( + node: ESTree.Node, + options: + | ((token: AST.Token) => token is T) + | { + filter: (token: AST.Token) => token is T; + includeComments?: false | undefined; + skip?: number | undefined; + }, + ): T | null; + ( + node: ESTree.Node, + options: { + filter: ( + tokenOrComment: AST.Token | ESTree.Comment, + ) => tokenOrComment is T; + includeComments: boolean; + skip?: number | undefined; + }, + ): T | null; + ( + node: ESTree.Node, + options?: + | { + filter?: ((token: AST.Token) => boolean) | undefined; + includeComments?: false | undefined; + skip?: number | undefined; + } + | ((token: AST.Token) => boolean) + | number, + ): AST.Token | null; + ( + node: ESTree.Node, + options: { + filter?: + | ((token: AST.Token | ESTree.Comment) => boolean) + | undefined; + includeComments: boolean; + skip?: number | undefined; + }, + ): AST.Token | ESTree.Comment | null; + } + + interface UnaryNodeCursorWithCountOptions { + ( + node: ESTree.Node, + options: + | ((token: AST.Token) => token is T) + | { + filter: (token: AST.Token) => token is T; + includeComments?: false | undefined; + count?: number | undefined; + }, + ): T[]; + ( + node: ESTree.Node, + options: { + filter: ( + tokenOrComment: AST.Token | ESTree.Comment, + ) => tokenOrComment is T; + includeComments: boolean; + count?: number | undefined; + }, + ): T[]; + ( + node: ESTree.Node, + options?: + | { + filter?: ((token: AST.Token) => boolean) | undefined; + includeComments?: false | undefined; + count?: number | undefined; + } + | ((token: AST.Token) => boolean) + | number, + ): AST.Token[]; + ( + node: ESTree.Node, + options: { + filter?: + | ((token: AST.Token | ESTree.Comment) => boolean) + | undefined; + includeComments: boolean; + count?: number | undefined; + }, + ): Array; + } + + interface UnaryCursorWithSkipOptions { + ( + node: ESTree.Node | AST.Token | ESTree.Comment, + options: + | ((token: AST.Token) => token is T) + | { + filter: (token: AST.Token) => token is T; + includeComments?: false | undefined; + skip?: number | undefined; + }, + ): T | null; + ( + node: ESTree.Node | AST.Token | ESTree.Comment, + options: { + filter: ( + tokenOrComment: AST.Token | ESTree.Comment, + ) => tokenOrComment is T; + includeComments: boolean; + skip?: number | undefined; + }, + ): T | null; + ( + node: ESTree.Node | AST.Token | ESTree.Comment, + options?: + | { + filter?: ((token: AST.Token) => boolean) | undefined; + includeComments?: false | undefined; + skip?: number | undefined; + } + | ((token: AST.Token) => boolean) + | number, + ): AST.Token | null; + ( + node: ESTree.Node | AST.Token | ESTree.Comment, + options: { + filter?: + | ((token: AST.Token | ESTree.Comment) => boolean) + | undefined; + includeComments: boolean; + skip?: number | undefined; + }, + ): AST.Token | ESTree.Comment | null; + } + + interface UnaryCursorWithCountOptions { + ( + node: ESTree.Node | AST.Token | ESTree.Comment, + options: + | ((token: AST.Token) => token is T) + | { + filter: (token: AST.Token) => token is T; + includeComments?: false | undefined; + count?: number | undefined; + }, + ): T[]; + ( + node: ESTree.Node | AST.Token | ESTree.Comment, + options: { + filter: ( + tokenOrComment: AST.Token | ESTree.Comment, + ) => tokenOrComment is T; + includeComments: boolean; + count?: number | undefined; + }, + ): T[]; + ( + node: ESTree.Node | AST.Token | ESTree.Comment, + options?: + | { + filter?: ((token: AST.Token) => boolean) | undefined; + includeComments?: false | undefined; + count?: number | undefined; + } + | ((token: AST.Token) => boolean) + | number, + ): AST.Token[]; + ( + node: ESTree.Node | AST.Token | ESTree.Comment, + options: { + filter?: + | ((token: AST.Token | ESTree.Comment) => boolean) + | undefined; + includeComments: boolean; + count?: number | undefined; + }, + ): Array; + } + + interface BinaryCursorWithSkipOptions { + ( + left: ESTree.Node | AST.Token | ESTree.Comment, + right: ESTree.Node | AST.Token | ESTree.Comment, + options: + | ((token: AST.Token) => token is T) + | { + filter: (token: AST.Token) => token is T; + includeComments?: false | undefined; + skip?: number | undefined; + }, + ): T | null; + ( + left: ESTree.Node | AST.Token | ESTree.Comment, + right: ESTree.Node | AST.Token | ESTree.Comment, + options: { + filter: ( + tokenOrComment: AST.Token | ESTree.Comment, + ) => tokenOrComment is T; + includeComments: boolean; + skip?: number | undefined; + }, + ): T | null; + ( + left: ESTree.Node | AST.Token | ESTree.Comment, + right: ESTree.Node | AST.Token | ESTree.Comment, + options?: + | { + filter?: ((token: AST.Token) => boolean) | undefined; + includeComments?: false | undefined; + skip?: number | undefined; + } + | ((token: AST.Token) => boolean) + | number, + ): AST.Token | null; + ( + left: ESTree.Node | AST.Token | ESTree.Comment, + right: ESTree.Node | AST.Token | ESTree.Comment, + options: { + filter?: + | ((token: AST.Token | ESTree.Comment) => boolean) + | undefined; + includeComments: boolean; + skip?: number | undefined; + }, + ): AST.Token | ESTree.Comment | null; + } + + interface BinaryCursorWithCountOptions { + ( + left: ESTree.Node | AST.Token | ESTree.Comment, + right: ESTree.Node | AST.Token | ESTree.Comment, + options: + | ((token: AST.Token) => token is T) + | { + filter: (token: AST.Token) => token is T; + includeComments?: false | undefined; + count?: number | undefined; + }, + ): T[]; + ( + left: ESTree.Node | AST.Token | ESTree.Comment, + right: ESTree.Node | AST.Token | ESTree.Comment, + options: { + filter: ( + tokenOrComment: AST.Token | ESTree.Comment, + ) => tokenOrComment is T; + includeComments: boolean; + count?: number | undefined; + }, + ): T[]; + ( + left: ESTree.Node | AST.Token | ESTree.Comment, + right: ESTree.Node | AST.Token | ESTree.Comment, + options?: + | { + filter?: ((token: AST.Token) => boolean) | undefined; + includeComments?: false | undefined; + count?: number | undefined; + } + | ((token: AST.Token) => boolean) + | number, + ): AST.Token[]; + ( + left: ESTree.Node | AST.Token | ESTree.Comment, + right: ESTree.Node | AST.Token | ESTree.Comment, + options: { + filter?: + | ((token: AST.Token | ESTree.Comment) => boolean) + | undefined; + includeComments: boolean; + count?: number | undefined; + }, + ): Array; + } +} + +// #endregion + +export type JSSyntaxElement = { + type: string; + loc?: ESTree.SourceLocation | null | undefined; +}; + +export namespace Rule { + interface RuleModule + extends RuleDefinition<{ + LangOptions: Linter.LanguageOptions; + Code: SourceCode; + RuleOptions: any[]; + Visitor: RuleListener; + Node: JSSyntaxElement; + MessageIds: string; + ExtRuleDocs: {}; + }> { + create(context: RuleContext): RuleListener; + } + + type NodeTypes = ESTree.Node["type"]; + + interface NodeListener + extends WithExit< + { + [Node in Rule.Node as Node["type"]]?: + | ((node: Node) => void) + | undefined; + } & { + // A `Program` visitor's node type has no `parent` property. + Program?: ((node: AST.Program) => void) | undefined; + } + > {} + + interface NodeParentExtension { + parent: Node; + } + + type Node = + | (AST.Program & { parent: null }) + | (Exclude & NodeParentExtension); + + interface RuleListener extends NodeListener { + onCodePathStart?(codePath: CodePath, node: Node): void; + + onCodePathEnd?(codePath: CodePath, node: Node): void; + + onCodePathSegmentStart?(segment: CodePathSegment, node: Node): void; + + onCodePathSegmentEnd?(segment: CodePathSegment, node: Node): void; + + onUnreachableCodePathSegmentStart?( + segment: CodePathSegment, + node: Node, + ): void; + + onUnreachableCodePathSegmentEnd?( + segment: CodePathSegment, + node: Node, + ): void; + + onCodePathSegmentLoop?( + fromSegment: CodePathSegment, + toSegment: CodePathSegment, + node: Node, + ): void; + + [key: string]: + | ((codePath: CodePath, node: Node) => void) + | ((segment: CodePathSegment, node: Node) => void) + | (( + fromSegment: CodePathSegment, + toSegment: CodePathSegment, + node: Node, + ) => void) + | ((node: Node) => void) + | NodeListener[keyof NodeListener] + | undefined; + } + + type CodePathOrigin = + | "program" + | "function" + | "class-field-initializer" + | "class-static-block"; + + interface CodePath { + id: string; + origin: CodePathOrigin; + initialSegment: CodePathSegment; + finalSegments: CodePathSegment[]; + returnedSegments: CodePathSegment[]; + thrownSegments: CodePathSegment[]; + upper: CodePath | null; + childCodePaths: CodePath[]; + } + + interface CodePathSegment { + id: string; + nextSegments: CodePathSegment[]; + prevSegments: CodePathSegment[]; + reachable: boolean; + } + + type RuleMetaData = RulesMeta; + + interface RuleContext + extends CoreRuleContext<{ + LangOptions: Linter.LanguageOptions; + Code: SourceCode; + RuleOptions: any[]; + Node: JSSyntaxElement; + MessageIds: string; + }> {} + + type ReportFixer = CoreRuleFixer; + + /** @deprecated Use `ReportDescriptorOptions` instead. */ + type ReportDescriptorOptionsBase = ViolationReportBase; + + type SuggestionReportOptions = SuggestedEditBase; + type SuggestionDescriptorMessage = SuggestionMessage; + type SuggestionReportDescriptor = SuggestedEdit; + + // redundant with ReportDescriptorOptionsBase but kept for clarity + type ReportDescriptorOptions = ViolationReportBase; + + type ReportDescriptor = ViolationReport; + type ReportDescriptorMessage = ViolationMessage; + type ReportDescriptorLocation = ViolationLocation; + + type RuleFixer = RuleTextEditor; + type Fix = RuleTextEdit; +} + +export type JSRuleDefinitionTypeOptions = CustomRuleTypeDefinitions; + +export type JSRuleDefinition< + Options extends Partial = {}, +> = CustomRuleDefinitionType< + { + LangOptions: Linter.LanguageOptions; + Code: SourceCode; + Visitor: Rule.RuleListener; + Node: JSSyntaxElement; + }, + Options +>; + +// #region Linter + +export class Linter { + static readonly version: string; + + version: string; + + constructor(options?: { + cwd?: string | undefined; + configType?: "flat" | "eslintrc"; + }); + + verify( + code: SourceCode | string, + config: Linter.LegacyConfig | Linter.Config | Linter.Config[], + filename?: string, + ): Linter.LintMessage[]; + verify( + code: SourceCode | string, + config: Linter.LegacyConfig | Linter.Config | Linter.Config[], + options: Linter.LintOptions, + ): Linter.LintMessage[]; + + verifyAndFix( + code: string, + config: Linter.LegacyConfig | Linter.Config | Linter.Config[], + filename?: string, + ): Linter.FixReport; + verifyAndFix( + code: string, + config: Linter.LegacyConfig | Linter.Config | Linter.Config[], + options: Linter.FixOptions, + ): Linter.FixReport; + + getSourceCode(): SourceCode; + + defineRule(name: string, rule: Rule.RuleModule): void; + + defineRules(rules: { [name: string]: Rule.RuleModule }): void; + + getRules(): Map; + + defineParser(name: string, parser: Linter.Parser): void; + + getTimes(): Linter.Stats["times"]; + + getFixPassCount(): Linter.Stats["fixPasses"]; +} + +export namespace Linter { + /** + * The numeric severity level for a rule. + * + * - `0` means off. + * - `1` means warn. + * - `2` means error. + * + * @see [Rule Severities](https://eslint.org/docs/latest/use/configure/rules#rule-severities) + */ + type Severity = SeverityLevel; + + /** + * The human readable severity level for a rule. + * + * @see [Rule Severities](https://eslint.org/docs/latest/use/configure/rules#rule-severities) + */ + type StringSeverity = SeverityName; + + /** + * The numeric or human readable severity level for a rule. + * + * @see [Rule Severities](https://eslint.org/docs/latest/use/configure/rules#rule-severities) + */ + type RuleSeverity = CoreSeverity; + + /** + * An array containing the rule severity level, followed by the rule options. + * + * @see [Rules](https://eslint.org/docs/latest/use/configure/rules) + */ + type RuleSeverityAndOptions = [ + RuleSeverity, + ...Partial, + ]; + + /** + * The severity level for the rule or an array containing the rule severity level, followed by the rule options. + * + * @see [Rules](https://eslint.org/docs/latest/use/configure/rules) + */ + type RuleEntry = RuleConfig; + + /** + * The rules config object is a key/value map of rule names and their severity and options. + */ + type RulesRecord = RulesConfig; + + /** + * A configuration object that may have a `rules` block. + */ + type HasRules = + CoreHasRules; + + /** + * The ECMAScript version of the code being linted. + */ + type EcmaVersion = CoreEcmaVersion; + + /** + * The type of JavaScript source code. + */ + type SourceType = JavaScriptSourceType; + + /** + * ESLint legacy configuration. + * + * @see [ESLint Legacy Configuration](https://eslint.org/docs/latest/use/configure/) + */ + type BaseConfig< + Rules extends RulesConfig = RulesConfig, + OverrideRules extends RulesConfig = Rules, + > = CoreBaseConfig; + + /** + * The overwrites that apply more differing configuration to specific files or directories. + */ + type ConfigOverride = + CoreConfigOverride; + + /** + * ESLint legacy configuration. + * + * @see [ESLint Legacy Configuration](https://eslint.org/docs/latest/use/configure/) + */ + // https://github.com/eslint/eslint/blob/v8.57.0/conf/config-schema.js + type LegacyConfig< + Rules extends RulesConfig = RulesConfig, + OverrideRules extends RulesConfig = Rules, + > = LegacyConfigObject; + + /** + * Parser options. + * + * @see [Specifying Parser Options](https://eslint.org/docs/latest/use/configure/language-options#specifying-parser-options) + */ + type ParserOptions = JavaScriptParserOptionsConfig; + + /** + * Options used for linting code with `Linter#verify` and `Linter#verifyAndFix`. + */ + interface LintOptions { + filename?: string | undefined; + preprocess?: ((code: string) => string[]) | undefined; + postprocess?: + | ((problemLists: LintMessage[][]) => LintMessage[]) + | undefined; + filterCodeBlock?: + | ((filename: string, text: string) => boolean) + | undefined; + disableFixes?: boolean | undefined; + allowInlineConfig?: boolean | undefined; + reportUnusedDisableDirectives?: boolean | undefined; + } + + type LintSuggestion = CoreLintSuggestion; + type LintMessage = CoreLintMessage; + + interface LintSuppression { + kind: string; + justification: string; + } + + interface SuppressedLintMessage extends LintMessage { + /** The suppression info. */ + suppressions: LintSuppression[]; + } + + interface FixOptions extends LintOptions { + fix?: boolean | undefined; + } + + interface FixReport { + fixed: boolean; + output: string; + messages: LintMessage[]; + } + + // Temporarily loosen type for just flat config files (see https://github.com/DefinitelyTyped/DefinitelyTyped/pull/68232) + type NonESTreeParser = ESLint.ObjectMetaProperties & + ( + | { + parse(text: string, options?: any): unknown; + } + | { + parseForESLint( + text: string, + options?: any, + ): Omit & { + ast: unknown; + scopeManager?: unknown; + }; + } + ); + + type ESTreeParser = ESLint.ObjectMetaProperties & + ( + | { parse(text: string, options?: any): AST.Program } + | { parseForESLint(text: string, options?: any): ESLintParseResult } + ); + + type Parser = NonESTreeParser | ESTreeParser; + + interface ESLintParseResult { + /** The AST object. */ + ast: AST.Program; + + /** The services that the parser provides. */ + services?: SourceCode.ParserServices | undefined; + + /** The scope manager of the AST. */ + scopeManager?: Scope.ScopeManager | undefined; + + /** The visitor keys of the AST. */ + visitorKeys?: SourceCode.VisitorKeys | undefined; + } + + type ProcessorFile = CoreProcessorFile; + + // https://eslint.org/docs/latest/extend/plugins#processors-in-plugins + type Processor = + CoreProcessor; + + type Config = ConfigObject; + + /** @deprecated Use `Config` instead of `FlatConfig` */ + type FlatConfig = Config; + + type GlobalConf = GlobalAccess; + type Globals = GlobalsConfig; + + interface LanguageOptions extends GenericLanguageOptions { + /** + * The version of ECMAScript to support. May be any year (i.e., 2022) or + * version (i.e., 5). Set to "latest" for the most recent supported version. + * @default "latest" + */ + ecmaVersion?: EcmaVersion | undefined; + + /** + * The type of JavaScript source code. Possible values are "script" for + * traditional script files, "module" for ECMAScript modules (ESM), and + * "commonjs" for CommonJS files. (default: "module" for .js and .mjs + * files; "commonjs" for .cjs files) + */ + sourceType?: SourceType | undefined; + + /** + * An object specifying additional objects that should be added to the + * global scope during linting. + */ + globals?: Globals | undefined; + + /** + * An object containing a parse() or parseForESLint() method. + * If not configured, the default ESLint parser (Espree) will be used. + */ + parser?: Parser | undefined; + + /** + * An object specifying additional options that are passed directly to the + * parser() method on the parser. The available options are parser-dependent + */ + parserOptions?: Linter.ParserOptions | undefined; + } + + type LinterOptions = LinterOptionsConfig; + + /** + * Performance statistics. + */ + interface Stats { + /** + * The number of times ESLint has applied at least one fix after linting. + */ + fixPasses: number; + + /** + * The times spent on (parsing, fixing, linting) a file, where the linting refers to the timing information for each rule. + */ + times: { passes: TimePass[] }; + } + + interface TimePass { + /** + * The parse object containing all parse time information. + */ + parse: { total: number }; + + /** + * The rules object containing all lint time information for each rule. + */ + rules?: Record; + + /** + * The fix object containing all fix time information. + */ + fix: { total: number }; + + /** + * The total time that is spent on (parsing, fixing, linting) a file. + */ + total: number; + } +} + +// #endregion + +// #region ESLint + +export class ESLint { + static configType: "flat"; + + static readonly version: string; + + /** + * The default configuration that ESLint uses internally. This is provided for tooling that wants to calculate configurations using the same defaults as ESLint. + * Keep in mind that the default configuration may change from version to version, so you shouldn't rely on any particular keys or values to be present. + */ + static readonly defaultConfig: Linter.Config[]; + + static outputFixes(results: ESLint.LintResult[]): Promise; + + static getErrorResults(results: ESLint.LintResult[]): ESLint.LintResult[]; + + constructor(options?: ESLint.Options); + + lintFiles(patterns: string | string[]): Promise; + + lintText( + code: string, + options?: { + filePath?: string | undefined; + warnIgnored?: boolean | undefined; + }, + ): Promise; + + getRulesMetaForResults( + results: ESLint.LintResult[], + ): ESLint.LintResultData["rulesMeta"]; + + hasFlag(flag: string): boolean; + + calculateConfigForFile(filePath: string): Promise; + + findConfigFile(filePath?: string): Promise; + + isPathIgnored(filePath: string): Promise; + + loadFormatter(nameOrPath?: string): Promise; + + static fromOptionsModule(optionsURL: { + readonly href: string; + }): Promise; +} + +export namespace ESLint { + type ConfigData = Omit< + Linter.LegacyConfig, + "$schema" + >; + + type Environment = EnvironmentConfig; + type ObjectMetaProperties = CoreObjectMetaProperties; + type Plugin = CorePlugin; + + type FixType = "directive" | "problem" | "suggestion" | "layout"; + + type CacheStrategy = "content" | "metadata"; + + interface Options { + // File enumeration + cwd?: string | undefined; + errorOnUnmatchedPattern?: boolean | undefined; + globInputPaths?: boolean | undefined; + ignore?: boolean | undefined; + ignorePatterns?: string[] | null | undefined; + passOnNoPatterns?: boolean | undefined; + warnIgnored?: boolean | undefined; + + // Linting + allowInlineConfig?: boolean | undefined; + baseConfig?: Linter.Config | Linter.Config[] | null | undefined; + overrideConfig?: Linter.Config | Linter.Config[] | null | undefined; + overrideConfigFile?: string | true | null | undefined; + plugins?: Record | null | undefined; + ruleFilter?: + | ((arg: { + ruleId: string; + severity: Exclude; + }) => boolean) + | undefined; + stats?: boolean | undefined; + + // Autofix + fix?: boolean | ((message: Linter.LintMessage) => boolean) | undefined; + fixTypes?: FixType[] | null | undefined; + + // Cache-related + cache?: boolean | undefined; + cacheLocation?: string | undefined; + cacheStrategy?: CacheStrategy | undefined; + + // Other Options + concurrency?: number | "auto" | "off" | undefined; + flags?: string[] | undefined; + } + + interface LegacyOptions { + // File enumeration + cwd?: string | undefined; + errorOnUnmatchedPattern?: boolean | undefined; + extensions?: string[] | undefined; + globInputPaths?: boolean | undefined; + ignore?: boolean | undefined; + ignorePath?: string | undefined; + + // Linting + allowInlineConfig?: boolean | undefined; + baseConfig?: Linter.LegacyConfig | undefined; + overrideConfig?: Linter.LegacyConfig | undefined; + overrideConfigFile?: string | undefined; + plugins?: Record | undefined; + reportUnusedDisableDirectives?: Linter.StringSeverity | undefined; + resolvePluginsRelativeTo?: string | undefined; + rulePaths?: string[] | undefined; + useEslintrc?: boolean | undefined; + + // Autofix + fix?: boolean | ((message: Linter.LintMessage) => boolean) | undefined; + fixTypes?: FixType[] | null | undefined; + + // Cache-related + cache?: boolean | undefined; + cacheLocation?: string | undefined; + cacheStrategy?: CacheStrategy | undefined; + + // Other Options + flags?: string[] | undefined; + } + + /** A linting result. */ + interface LintResult { + /** The path to the file that was linted. */ + filePath: string; + + /** All of the messages for the result. */ + messages: Linter.LintMessage[]; + + /** All of the suppressed messages for the result. */ + suppressedMessages: Linter.SuppressedLintMessage[]; + + /** Number of errors for the result. */ + errorCount: number; + + /** Number of fatal errors for the result. */ + fatalErrorCount: number; + + /** Number of warnings for the result. */ + warningCount: number; + + /** Number of fixable errors for the result. */ + fixableErrorCount: number; + + /** Number of fixable warnings for the result. */ + fixableWarningCount: number; + + /** The source code of the file that was linted, with as many fixes applied as possible. */ + output?: string | undefined; + + /** The source code of the file that was linted. */ + source?: string | undefined; + + /** The performance statistics collected with the `stats` flag. */ + stats?: Linter.Stats | undefined; + + /** The list of used deprecated rules. */ + usedDeprecatedRules: DeprecatedRuleUse[]; + } + + /** + * Information provided when the maximum warning threshold is exceeded. + */ + interface MaxWarningsExceeded { + /** + * Number of warnings to trigger nonzero exit code. + */ + maxWarnings: number; + + /** + * Number of warnings found while linting. + */ + foundWarnings: number; + } + + interface LintResultData { + cwd: string; + maxWarningsExceeded?: MaxWarningsExceeded | undefined; + rulesMeta: { + [ruleId: string]: Rule.RuleMetaData; + }; + } + + /** + * Information about deprecated rules. + */ + interface DeprecatedRuleUse { + /** + * The rule ID. + */ + ruleId: string; + + /** + * The rule IDs that replace this deprecated rule. + */ + replacedBy: string[]; + + /** + * The raw deprecated info provided by the rule. + * - Undefined if the rule's `meta.deprecated` property is a boolean. + * - Unset when using the legacy eslintrc configuration. + */ + info?: DeprecatedInfo | undefined; + } + + /** + * Metadata about results for formatters. + */ + interface ResultsMeta { + /** + * Present if the maxWarnings threshold was exceeded. + */ + maxWarningsExceeded?: MaxWarningsExceeded | undefined; + } + + /** The type of an object resolved by {@link ESLint.loadFormatter}. */ + interface LoadedFormatter { + /** + * Used to call the underlying formatter. + * @param results An array of lint results to format. + * @param resultsMeta An object with an optional `maxWarningsExceeded` property that will be + * passed to the underlying formatter function along with other properties set by ESLint. + * This argument can be omitted if `maxWarningsExceeded` is not needed. + * @return The formatter output. + */ + format( + results: LintResult[], + resultsMeta?: ResultsMeta, + ): string | Promise; + } + + // The documented type name is `LoadedFormatter`, but `Formatter` has been historically more used. + type Formatter = LoadedFormatter; + + /** + * The expected signature of a custom formatter. + * @param results An array of lint results to format. + * @param context Additional information for the formatter. + * @return The formatter output. + */ + type FormatterFunction = ( + results: LintResult[], + context: LintResultData, + ) => string | Promise; + + // Docs reference the types by those name + type EditInfo = Rule.Fix; +} + +// #endregion + +export function loadESLint(options: { + useFlatConfig: true; +}): Promise; +export function loadESLint(options: { + useFlatConfig: false; +}): Promise; +export function loadESLint(options?: { + useFlatConfig?: boolean | undefined; +}): Promise; + +// #region RuleTester + +export class RuleTester { + static describe: ((...args: any) => any) | null; + static it: ((...args: any) => any) | null; + static itOnly: ((...args: any) => any) | null; + + constructor(config?: Linter.Config); + + run( + name: string, + rule: RuleDefinition, + tests: { + valid: Array; + invalid: RuleTester.InvalidTestCase[]; + }, + ): void; + + static only( + item: string | RuleTester.ValidTestCase | RuleTester.InvalidTestCase, + ): RuleTester.ValidTestCase | RuleTester.InvalidTestCase; +} + +export namespace RuleTester { + interface ValidTestCase { + name?: string; + code: string; + options?: any; + filename?: string | undefined; + only?: boolean; + languageOptions?: Linter.LanguageOptions | undefined; + settings?: { [name: string]: any } | undefined; + before?: () => void; + after?: () => void; + } + + interface SuggestionOutput { + messageId?: string; + desc?: string; + data?: Record | undefined; + output: string; + } + + interface InvalidTestCase extends ValidTestCase { + errors: number | Array; + output?: string | null | undefined; + } + + interface TestCaseError { + message?: string | RegExp; + messageId?: string; + /** + * @deprecated `type` is deprecated and will be removed in the next major version. + */ + type?: string | undefined; + data?: any; + line?: number | undefined; + column?: number | undefined; + endLine?: number | undefined; + endColumn?: number | undefined; + suggestions?: SuggestionOutput[] | undefined; + } +} + +// #endregion diff --git a/module/node_modules/eslint/lib/types/rules.d.ts b/module/node_modules/eslint/lib/types/rules.d.ts new file mode 100644 index 000000000..e74eaf76d --- /dev/null +++ b/module/node_modules/eslint/lib/types/rules.d.ts @@ -0,0 +1,5589 @@ +/** + * @fileoverview This file contains the rule types for ESLint. It was initially extracted + * from the `@types/eslint` package. + */ + +/* + * MIT License + * Copyright (c) Microsoft Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE + */ + +//------------------------------------------------------------------------------ +// Imports +//------------------------------------------------------------------------------ + +import { Linter } from "./index"; + +//----------------------------------------------------------------------------- +// Helper types +//----------------------------------------------------------------------------- + +interface NoRestrictedImportPathCommonOptions { + name: string; + message?: string; + allowTypeImports?: boolean; +} + +type EitherImportNamesOrAllowImportName = + | { importNames?: string[]; allowImportNames?: never } + | { allowImportNames?: string[]; importNames?: never }; + +type ValidNoRestrictedImportPathOptions = NoRestrictedImportPathCommonOptions & + EitherImportNamesOrAllowImportName; + +interface NoRestrictedImportPatternCommonOptions { + message?: string; + caseSensitive?: boolean; + allowTypeImports?: boolean; +} + +// Base type for group or regex constraint, ensuring mutual exclusivity +type EitherGroupOrRegEx = + | { group: string[]; regex?: never } + | { regex: string; group?: never }; + +// Base type for import name specifiers, ensuring mutual exclusivity +type EitherNameSpecifiers = + | { + importNames?: string[]; + importNamePattern?: string; + allowImportNames?: never; + allowImportNamePattern?: never; + } + | { + allowImportNames?: string[]; + importNames?: never; + importNamePattern?: never; + allowImportNamePattern?: never; + } + | { + allowImportNamePattern?: string; + importNames?: never; + allowImportNames?: never; + importNamePattern?: never; + }; + +// Adds oneOf and not constraints, ensuring group or regex are present and mutually exclusive sets for importNames, allowImportNames, etc., as per the schema. +type ValidNoRestrictedImportPatternOptions = + NoRestrictedImportPatternCommonOptions & + EitherGroupOrRegEx & + EitherNameSpecifiers; + +interface CapitalizedCommentsCommonOptions { + ignorePattern?: string; + /** + * @default false + */ + ignoreInlineComments?: boolean; + /** + * @default false + */ + ignoreConsecutiveComments?: boolean; +} + +//----------------------------------------------------------------------------- +// Public types +//----------------------------------------------------------------------------- + +export interface ESLintRules extends Linter.RulesRecord { + /** + * Rule to enforce getter and setter pairs in objects and classes. + * + * @since 0.22.0 + * @see https://eslint.org/docs/latest/rules/accessor-pairs + */ + "accessor-pairs": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + setWithoutGet: boolean; + /** + * @default false + */ + getWithoutSet: boolean; + /** + * @default true + */ + enforceForClassMembers: boolean; + /** + * @default false + */ + enforceForTSTypes: boolean; + }>, + ] + >; + + /** + * Rule to enforce linebreaks after opening and before closing array brackets. + * + * @since 4.0.0-alpha.1 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`array-bracket-newline`](https://eslint.style/rules/array-bracket-newline) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/array-bracket-newline + */ + "array-bracket-newline": Linter.RuleEntry< + [ + | "always" + | "never" + | "consistent" + | Partial<{ + /** + * @default true + */ + multiline: boolean; + /** + * @default null + */ + minItems: number | null; + }>, + ] + >; + + /** + * Rule to enforce consistent spacing inside array brackets. + * + * @since 0.24.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`array-bracket-spacing`](https://eslint.style/rules/array-bracket-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/array-bracket-spacing + */ + "array-bracket-spacing": + | Linter.RuleEntry< + [ + "never", + Partial<{ + /** + * @default false + */ + singleValue: boolean; + /** + * @default false + */ + objectsInArrays: boolean; + /** + * @default false + */ + arraysInArrays: boolean; + }>, + ] + > + | Linter.RuleEntry< + [ + "always", + Partial<{ + /** + * @default true + */ + singleValue: boolean; + /** + * @default true + */ + objectsInArrays: boolean; + /** + * @default true + */ + arraysInArrays: boolean; + }>, + ] + >; + + /** + * Rule to enforce `return` statements in callbacks of array methods. + * + * @since 2.0.0-alpha-1 + * @see https://eslint.org/docs/latest/rules/array-callback-return + */ + "array-callback-return": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowImplicit: boolean; + /** + * @default false + */ + checkForEach: boolean; + /** + * @default false + */ + allowVoid: boolean; + }>, + ] + >; + + /** + * Rule to enforce line breaks after each array element. + * + * @since 4.0.0-rc.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`array-element-newline`](https://eslint.style/rules/array-element-newline) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/array-element-newline + */ + "array-element-newline": Linter.RuleEntry< + [ + | "always" + | "never" + | "consistent" + | Partial<{ + /** + * @default true + */ + multiline: boolean; + /** + * @default null + */ + minItems: number | null; + }>, + ] + >; + + /** + * Rule to require braces around arrow function bodies. + * + * @since 1.8.0 + * @see https://eslint.org/docs/latest/rules/arrow-body-style + */ + "arrow-body-style": + | Linter.RuleEntry< + [ + "as-needed", + Partial<{ + /** + * @default false + */ + requireReturnForObjectLiteral: boolean; + }>, + ] + > + | Linter.RuleEntry<["always" | "never"]>; + + /** + * Rule to require parentheses around arrow function arguments. + * + * @since 1.0.0-rc-1 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`arrow-parens`](https://eslint.style/rules/arrow-parens) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/arrow-parens + */ + "arrow-parens": + | Linter.RuleEntry<["always"]> + | Linter.RuleEntry< + [ + "as-needed", + Partial<{ + /** + * @default false + */ + requireForBlockBody: boolean; + }>, + ] + >; + + /** + * Rule to enforce consistent spacing before and after the arrow in arrow functions. + * + * @since 1.0.0-rc-1 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`arrow-spacing`](https://eslint.style/rules/arrow-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/arrow-spacing + */ + "arrow-spacing": Linter.RuleEntry<[]>; + + /** + * Rule to enforce the use of variables within the scope they are defined. + * + * @since 0.1.0 + * @see https://eslint.org/docs/latest/rules/block-scoped-var + */ + "block-scoped-var": Linter.RuleEntry<[]>; + + /** + * Rule to disallow or enforce spaces inside of blocks after opening block and before closing block. + * + * @since 1.2.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`block-spacing`](https://eslint.style/rules/block-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/block-spacing + */ + "block-spacing": Linter.RuleEntry<["always" | "never"]>; + + /** + * Rule to enforce consistent brace style for blocks. + * + * @since 0.0.7 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`brace-style`](https://eslint.style/rules/brace-style) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/brace-style + */ + "brace-style": Linter.RuleEntry< + [ + "1tbs" | "stroustrup" | "allman", + Partial<{ + /** + * @default false + */ + allowSingleLine: boolean; + }>, + ] + >; + + /** + * Rule to require `return` statements after callbacks. + * + * @since 1.0.0-rc-1 + * @deprecated since 7.0.0. + * Node.js rules were moved out of ESLint core. + * Please, use [`callback-return`](https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/callback-return.md) in [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n). + * @see https://eslint.org/docs/latest/rules/callback-return + */ + "callback-return": Linter.RuleEntry<[string[]]>; + + /** + * Rule to enforce camelcase naming convention. + * + * @since 0.0.2 + * @see https://eslint.org/docs/latest/rules/camelcase + */ + camelcase: Linter.RuleEntry< + [ + Partial<{ + /** + * @default 'always' + */ + properties: "always" | "never"; + /** + * @default false + */ + ignoreDestructuring: boolean; + /** + * @since 6.7.0 + * @default false + */ + ignoreImports: boolean; + /** + * @since 7.4.0 + * @default false + */ + ignoreGlobals: boolean; + /** + * @remarks + * Also accept for regular expression patterns + */ + allow: string[]; + }>, + ] + >; + + /** + * Rule to enforce or disallow capitalization of the first letter of a comment. + * + * @since 3.11.0 + * @see https://eslint.org/docs/latest/rules/capitalized-comments + */ + "capitalized-comments": Linter.RuleEntry< + [ + "always" | "never", + ( + | CapitalizedCommentsCommonOptions + | Partial<{ + line: CapitalizedCommentsCommonOptions; + block: CapitalizedCommentsCommonOptions; + }> + ), + ] + >; + + /** + * Rule to enforce that class methods utilize `this`. + * + * @since 3.4.0 + * @see https://eslint.org/docs/latest/rules/class-methods-use-this + */ + "class-methods-use-this": Linter.RuleEntry< + [ + Partial<{ + exceptMethods: string[]; + /** + * @default true + */ + enforceForClassFields: boolean; + /** + * @default false + */ + ignoreOverrideMethods: boolean; + ignoreClassesWithImplements: "all" | "public-fields"; + }>, + ] + >; + + /** + * Rule to require or disallow trailing commas. + * + * @since 0.16.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`comma-dangle`](https://eslint.style/rules/comma-dangle) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/comma-dangle + */ + "comma-dangle": Linter.RuleEntry< + [ + | "never" + | "always" + | "always-multiline" + | "only-multiline" + | Partial<{ + /** + * @default 'never' + */ + arrays: + | "never" + | "always" + | "always-multiline" + | "only-multiline"; + /** + * @default 'never' + */ + objects: + | "never" + | "always" + | "always-multiline" + | "only-multiline"; + /** + * @default 'never' + */ + imports: + | "never" + | "always" + | "always-multiline" + | "only-multiline"; + /** + * @default 'never' + */ + exports: + | "never" + | "always" + | "always-multiline" + | "only-multiline"; + /** + * @default 'never' + */ + functions: + | "never" + | "always" + | "always-multiline" + | "only-multiline"; + }>, + ] + >; + + /** + * Rule to enforce consistent spacing before and after commas. + * + * @since 0.9.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`comma-spacing`](https://eslint.style/rules/comma-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/comma-spacing + */ + "comma-spacing": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + before: boolean; + /** + * @default true + */ + after: boolean; + }>, + ] + >; + + /** + * Rule to enforce consistent comma style. + * + * @since 0.9.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`comma-style`](https://eslint.style/rules/comma-style) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/comma-style + */ + "comma-style": Linter.RuleEntry< + [ + "last" | "first", + Partial<{ + exceptions: Record; + }>, + ] + >; + + /** + * Rule to enforce a maximum cyclomatic complexity allowed in a program. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/complexity + */ + complexity: Linter.RuleEntry< + [ + | Partial<{ + /** + * @default 20 + */ + max: number; + /** + * @deprecated + * @default 20 + */ + maximum: number; + /** + * @default "classic" + * @since 9.12.0 + */ + variant: "classic" | "modified"; + }> + | number, + ] + >; + + /** + * Rule to enforce consistent spacing inside computed property brackets. + * + * @since 0.23.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`computed-property-spacing`](https://eslint.style/rules/computed-property-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/computed-property-spacing + */ + "computed-property-spacing": Linter.RuleEntry<["never" | "always"]>; + + /** + * Rule to require `return` statements to either always or never specify values. + * + * @since 0.4.0 + * @see https://eslint.org/docs/latest/rules/consistent-return + */ + "consistent-return": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + treatUndefinedAsUnspecified: boolean; + }>, + ] + >; + + /** + * Rule to enforce consistent naming when capturing the current execution context. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/consistent-this + */ + "consistent-this": Linter.RuleEntry<[...string[]]>; + + /** + * Rule to require `super()` calls in constructors. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.24.0 + * @see https://eslint.org/docs/latest/rules/constructor-super + */ + "constructor-super": Linter.RuleEntry<[]>; + + /** + * Rule to enforce consistent brace style for all control statements. + * + * @since 0.0.2 + * @see https://eslint.org/docs/latest/rules/curly + */ + curly: Linter.RuleEntry< + ["all"] | ["multi" | "multi-line" | "multi-or-nest", "consistent"?] + >; + + /** + * Rule to require `default` cases in `switch` statements. + * + * @since 0.6.0 + * @see https://eslint.org/docs/latest/rules/default-case + */ + "default-case": Linter.RuleEntry< + [ + Partial<{ + /** + * @default '^no default$' + */ + commentPattern: string; + }>, + ] + >; + + /** + * Rule to enforce `default` clauses in `switch` statements to be last. + * + * @since 7.0.0-alpha.0 + * @see https://eslint.org/docs/latest/rules/default-case-last + */ + "default-case-last": Linter.RuleEntry<[]>; + + /** + * Rule to enforce default parameters to be last. + * + * @since 6.4.0 + * @see https://eslint.org/docs/latest/rules/default-param-last + */ + "default-param-last": Linter.RuleEntry<[]>; + + /** + * Rule to enforce consistent newlines before and after dots. + * + * @since 0.21.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`dot-location`](https://eslint.style/rules/dot-location) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/dot-location + */ + "dot-location": Linter.RuleEntry<["object" | "property"]>; + + /** + * Rule to enforce dot notation whenever possible. + * + * @since 0.0.7 + * @see https://eslint.org/docs/latest/rules/dot-notation + */ + "dot-notation": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + allowKeywords: boolean; + allowPattern: string; + }>, + ] + >; + + /** + * Rule to require or disallow newline at the end of files. + * + * @since 0.7.1 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`eol-last`](https://eslint.style/rules/eol-last) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/eol-last + */ + "eol-last": Linter.RuleEntry< + [ + "always" | "never", // | 'unix' | 'windows' + ] + >; + + /** + * Rule to require the use of `===` and `!==`. + * + * @since 0.0.2 + * @see https://eslint.org/docs/latest/rules/eqeqeq + */ + eqeqeq: + | Linter.RuleEntry< + [ + "always", + Partial<{ + /** + * @default 'always' + */ + null: "always" | "never" | "ignore"; + }>, + ] + > + | Linter.RuleEntry<["smart" | "allow-null"]>; + + /** + * Rule to enforce `for` loop update clause moving the counter in the right direction. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 4.0.0-beta.0 + * @see https://eslint.org/docs/latest/rules/for-direction + */ + "for-direction": Linter.RuleEntry<[]>; + + /** + * Rule to require or disallow spacing between function identifiers and their invocations. + * + * @since 3.3.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`function-call-spacing`](https://eslint.style/rules/function-call-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/func-call-spacing + */ + "func-call-spacing": Linter.RuleEntry<["never" | "always"]>; + + /** + * Rule to require function names to match the name of the variable or property to which they are assigned. + * + * @since 3.8.0 + * @see https://eslint.org/docs/latest/rules/func-name-matching + */ + "func-name-matching": + | Linter.RuleEntry< + [ + "always" | "never", + Partial<{ + /** + * @default false + */ + considerPropertyDescriptor: boolean; + /** + * @default false + */ + includeCommonJSModuleExports: boolean; + }>, + ] + > + | Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + considerPropertyDescriptor: boolean; + /** + * @default false + */ + includeCommonJSModuleExports: boolean; + }>, + ] + >; + + /** + * Rule to require or disallow named `function` expressions. + * + * @since 0.4.0 + * @see https://eslint.org/docs/latest/rules/func-names + */ + "func-names": Linter.RuleEntry< + [ + "always" | "as-needed" | "never", + Partial<{ + generators: "always" | "as-needed" | "never"; + }>, + ] + >; + + /** + * Rule to enforce the consistent use of either `function` declarations or expressions assigned to variables. + * + * @since 0.2.0 + * @see https://eslint.org/docs/latest/rules/func-style + */ + "func-style": Linter.RuleEntry< + [ + "expression" | "declaration", + Partial<{ + /** + * @default false + */ + allowArrowFunctions: boolean; + /** + * @default false + */ + allowTypeAnnotation: boolean; + overrides: { + namedExports: "declaration" | "expression" | "ignore"; + }; + }>, + ] + >; + + /** + * Rule to enforce line breaks between arguments of a function call. + * + * @since 6.2.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`function-call-argument-newline`](https://eslint.style/rules/function-call-argument-newline) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/function-call-argument-newline + */ + "function-call-argument-newline": Linter.RuleEntry< + [ + /** + * @default "always" + */ + "always" | "never" | "consistent", + ] + >; + + /** + * Rule to enforce consistent line breaks inside function parentheses. + * + * @since 4.6.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`function-paren-newline`](https://eslint.style/rules/function-paren-newline) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/function-paren-newline + */ + "function-paren-newline": Linter.RuleEntry< + [ + | "always" + | "never" + | "multiline" + | "multiline-arguments" + | "consistent" + | Partial<{ + minItems: number; + }>, + ] + >; + + /** + * Rule to enforce consistent spacing around `*` operators in generator functions. + * + * @since 0.17.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`generator-star-spacing`](https://eslint.style/rules/generator-star-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/generator-star-spacing + */ + "generator-star-spacing": Linter.RuleEntry< + [ + | Partial<{ + before: boolean; + after: boolean; + named: + | Partial<{ + before: boolean; + after: boolean; + }> + | "before" + | "after" + | "both" + | "neither"; + anonymous: + | Partial<{ + before: boolean; + after: boolean; + }> + | "before" + | "after" + | "both" + | "neither"; + method: + | Partial<{ + before: boolean; + after: boolean; + }> + | "before" + | "after" + | "both" + | "neither"; + }> + | "before" + | "after" + | "both" + | "neither", + ] + >; + + /** + * Rule to enforce `return` statements in getters. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 4.2.0 + * @see https://eslint.org/docs/latest/rules/getter-return + */ + "getter-return": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowImplicit: boolean; + }>, + ] + >; + + /** + * Rule to require `require()` calls to be placed at top-level module scope. + * + * @since 1.4.0 + * @deprecated since 7.0.0. + * Node.js rules were moved out of ESLint core. + * Please, use [`global-require`](https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/global-require.md) in [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n). + * @see https://eslint.org/docs/latest/rules/global-require + */ + "global-require": Linter.RuleEntry<[]>; + + /** + * Rule to require grouped accessor pairs in object literals and classes. + * + * @since 6.7.0 + * @see https://eslint.org/docs/latest/rules/grouped-accessor-pairs + */ + "grouped-accessor-pairs": Linter.RuleEntry< + [ + "anyOrder" | "getBeforeSet" | "setBeforeGet", + Partial<{ + /** + * @default false + */ + enforceForTSTypes: boolean; + }>, + ] + >; + + /** + * Rule to require `for-in` loops to include an `if` statement. + * + * @since 0.0.6 + * @see https://eslint.org/docs/latest/rules/guard-for-in + */ + "guard-for-in": Linter.RuleEntry<[]>; + + /** + * Rule to require error handling in callbacks. + * + * @since 0.4.5 + * @deprecated since 7.0.0. + * Node.js rules were moved out of ESLint core. + * Please, use [`handle-callback-err`](https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/handle-callback-err.md) in [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n). + * @see https://eslint.org/docs/latest/rules/handle-callback-err + */ + "handle-callback-err": Linter.RuleEntry<[string]>; + + /** + * Rule to disallow specified identifiers. + * + * @since 2.0.0-beta.2 + * @deprecated since 7.5.0. + * The rule was renamed. + * Please, use [`id-denylist`](https://eslint.org/docs/rules/id-denylist). + * @see https://eslint.org/docs/latest/rules/id-blacklist + */ + "id-blacklist": Linter.RuleEntry<[...string[]]>; + + /** + * Rule to disallow specified identifiers. + * + * @since 7.4.0 + * @see https://eslint.org/docs/latest/rules/id-denylist + */ + "id-denylist": Linter.RuleEntry; + + /** + * Rule to enforce minimum and maximum identifier lengths. + * + * @since 1.0.0 + * @see https://eslint.org/docs/latest/rules/id-length + */ + "id-length": Linter.RuleEntry< + [ + Partial<{ + /** + * @default 2 + */ + min: number; + /** + * @default Infinity + */ + max: number; + /** + * @default 'always' + */ + properties: "always" | "never"; + exceptions: string[]; + exceptionPatterns: string[]; + }>, + ] + >; + + /** + * Rule to require identifiers to match a specified regular expression. + * + * @since 1.0.0 + * @see https://eslint.org/docs/latest/rules/id-match + */ + "id-match": Linter.RuleEntry< + [ + string, + Partial<{ + /** + * @default false + */ + properties: boolean; + /** + * @default false + */ + classFields: boolean; + /** + * @default false + */ + onlyDeclarations: boolean; + /** + * @default false + */ + ignoreDestructuring: boolean; + }>, + ] + >; + + /** + * Rule to enforce the location of arrow function bodies. + * + * @since 4.12.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`implicit-arrow-linebreak`](https://eslint.style/rules/implicit-arrow-linebreak) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/implicit-arrow-linebreak + */ + "implicit-arrow-linebreak": Linter.RuleEntry<["beside" | "below"]>; + + /** + * Rule to enforce consistent indentation. + * + * @since 0.14.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`indent`](https://eslint.style/rules/indent) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/indent + */ + indent: Linter.RuleEntry< + [ + number | "tab", + Partial<{ + /** + * @default 0 + */ + SwitchCase: number; + /** + * @default 1 + */ + VariableDeclarator: + | Partial<{ + /** + * @default 1 + */ + var: number | "first"; + /** + * @default 1 + */ + let: number | "first"; + /** + * @default 1 + */ + const: number | "first"; + }> + | number + | "first"; + /** + * @default 1 + */ + outerIIFEBody: number; + /** + * @default 1 + */ + MemberExpression: number | "off"; + /** + * @default { parameters: 1, body: 1 } + */ + FunctionDeclaration: Partial<{ + /** + * @default 1 + */ + parameters: number | "first" | "off"; + /** + * @default 1 + */ + body: number; + }>; + /** + * @default { parameters: 1, body: 1 } + */ + FunctionExpression: Partial<{ + /** + * @default 1 + */ + parameters: number | "first" | "off"; + /** + * @default 1 + */ + body: number; + }>; + /** + * @default { arguments: 1 } + */ + CallExpression: Partial<{ + /** + * @default 1 + */ + arguments: number | "first" | "off"; + }>; + /** + * @default 1 + */ + ArrayExpression: number | "first" | "off"; + /** + * @default 1 + */ + ObjectExpression: number | "first" | "off"; + /** + * @default 1 + */ + ImportDeclaration: number | "first" | "off"; + /** + * @default false + */ + flatTernaryExpressions: boolean; + ignoredNodes: string[]; + /** + * @default false + */ + ignoreComments: boolean; + }>, + ] + >; + + /** + * Rule to enforce consistent indentation. + * + * @since 4.0.0-alpha.0 + * @deprecated since 4.0.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`indent`](https://eslint.style/rules/indent) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/indent-legacy + */ + "indent-legacy": Linter.RuleEntry< + [ + number | "tab", + Partial<{ + /** + * @default 0 + */ + SwitchCase: number; + /** + * @default 1 + */ + VariableDeclarator: + | Partial<{ + /** + * @default 1 + */ + var: number | "first"; + /** + * @default 1 + */ + let: number | "first"; + /** + * @default 1 + */ + const: number | "first"; + }> + | number + | "first"; + /** + * @default 1 + */ + outerIIFEBody: number; + /** + * @default 1 + */ + MemberExpression: number | "off"; + /** + * @default { parameters: 1, body: 1 } + */ + FunctionDeclaration: Partial<{ + /** + * @default 1 + */ + parameters: number | "first" | "off"; + /** + * @default 1 + */ + body: number; + }>; + /** + * @default { parameters: 1, body: 1 } + */ + FunctionExpression: Partial<{ + /** + * @default 1 + */ + parameters: number | "first" | "off"; + /** + * @default 1 + */ + body: number; + }>; + /** + * @default { arguments: 1 } + */ + CallExpression: Partial<{ + /** + * @default 1 + */ + arguments: number | "first" | "off"; + }>; + /** + * @default 1 + */ + ArrayExpression: number | "first" | "off"; + /** + * @default 1 + */ + ObjectExpression: number | "first" | "off"; + /** + * @default 1 + */ + ImportDeclaration: number | "first" | "off"; + /** + * @default false + */ + flatTernaryExpressions: boolean; + ignoredNodes: string[]; + /** + * @default false + */ + ignoreComments: boolean; + }>, + ] + >; + + /** + * Rule to require or disallow initialization in variable declarations. + * + * @since 1.0.0-rc-1 + * @see https://eslint.org/docs/latest/rules/init-declarations + */ + "init-declarations": + | Linter.RuleEntry<["always"]> + | Linter.RuleEntry< + [ + "never", + Partial<{ + ignoreForLoopInit: boolean; + }>, + ] + >; + + /** + * Rule to enforce the consistent use of either double or single quotes in JSX attributes. + * + * @since 1.4.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`jsx-quotes`](https://eslint.style/rules/jsx-quotes) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/jsx-quotes + */ + "jsx-quotes": Linter.RuleEntry<["prefer-double" | "prefer-single"]>; + + /** + * Rule to enforce consistent spacing between keys and values in object literal properties. + * + * @since 0.9.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`key-spacing`](https://eslint.style/rules/key-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/key-spacing + */ + "key-spacing": Linter.RuleEntry< + [ + | Partial< + | { + /** + * @default false + */ + beforeColon: boolean; + /** + * @default true + */ + afterColon: boolean; + /** + * @default 'strict' + */ + mode: "strict" | "minimum"; + align: + | Partial<{ + /** + * @default false + */ + beforeColon: boolean; + /** + * @default true + */ + afterColon: boolean; + /** + * @default 'colon' + */ + on: "value" | "colon"; + /** + * @default 'strict' + */ + mode: "strict" | "minimum"; + }> + | "value" + | "colon"; + } + | { + singleLine?: + | Partial<{ + /** + * @default false + */ + beforeColon: boolean; + /** + * @default true + */ + afterColon: boolean; + /** + * @default 'strict' + */ + mode: "strict" | "minimum"; + }> + | undefined; + multiLine?: + | Partial<{ + /** + * @default false + */ + beforeColon: boolean; + /** + * @default true + */ + afterColon: boolean; + /** + * @default 'strict' + */ + mode: "strict" | "minimum"; + align: + | Partial<{ + /** + * @default false + */ + beforeColon: boolean; + /** + * @default true + */ + afterColon: boolean; + /** + * @default 'colon' + */ + on: "value" | "colon"; + /** + * @default 'strict' + */ + mode: "strict" | "minimum"; + }> + | "value" + | "colon"; + }> + | undefined; + } + > + | { + align: Partial<{ + /** + * @default false + */ + beforeColon: boolean; + /** + * @default true + */ + afterColon: boolean; + /** + * @default 'colon' + */ + on: "value" | "colon"; + /** + * @default 'strict' + */ + mode: "strict" | "minimum"; + }>; + singleLine?: + | Partial<{ + /** + * @default false + */ + beforeColon: boolean; + /** + * @default true + */ + afterColon: boolean; + /** + * @default 'strict' + */ + mode: "strict" | "minimum"; + }> + | undefined; + multiLine?: + | Partial<{ + /** + * @default false + */ + beforeColon: boolean; + /** + * @default true + */ + afterColon: boolean; + /** + * @default 'strict' + */ + mode: "strict" | "minimum"; + }> + | undefined; + }, + ] + >; + + /** + * Rule to enforce consistent spacing before and after keywords. + * + * @since 2.0.0-beta.1 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`keyword-spacing`](https://eslint.style/rules/keyword-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/keyword-spacing + */ + "keyword-spacing": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + before: boolean; + /** + * @default true + */ + after: boolean; + overrides: Record< + string, + Partial<{ + before: boolean; + after: boolean; + }> + >; + }>, + ] + >; + + /** + * Rule to enforce position of line comments. + * + * @since 3.5.0 + * @deprecated since 9.3.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`line-comment-position`](https://eslint.style/rules/line-comment-position) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/line-comment-position + */ + "line-comment-position": Linter.RuleEntry< + [ + Partial<{ + /** + * @default 'above' + */ + position: "above" | "beside"; + ignorePattern: string; + /** + * @default true + */ + applyDefaultIgnorePatterns: boolean; + }>, + ] + >; + + /** + * Rule to enforce consistent linebreak style. + * + * @since 0.21.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`linebreak-style`](https://eslint.style/rules/linebreak-style) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/linebreak-style + */ + "linebreak-style": Linter.RuleEntry<["unix" | "windows"]>; + + /** + * Rule to require empty lines around comments. + * + * @since 0.22.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`lines-around-comment`](https://eslint.style/rules/lines-around-comment) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/lines-around-comment + */ + "lines-around-comment": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + beforeBlockComment: boolean; + /** + * @default false + */ + afterBlockComment: boolean; + /** + * @default false + */ + beforeLineComment: boolean; + /** + * @default false + */ + afterLineComment: boolean; + /** + * @default false + */ + allowBlockStart: boolean; + /** + * @default false + */ + allowBlockEnd: boolean; + /** + * @default false + */ + allowObjectStart: boolean; + /** + * @default false + */ + allowObjectEnd: boolean; + /** + * @default false + */ + allowArrayStart: boolean; + /** + * @default false + */ + allowArrayEnd: boolean; + /** + * @default false + */ + allowClassStart: boolean; + /** + * @default false + */ + allowClassEnd: boolean; + ignorePattern: string; + /** + * @default true + */ + applyDefaultIgnorePatterns: boolean; + }>, + ] + >; + + /** + * Rule to require or disallow newlines around directives. + * + * @since 3.5.0 + * @deprecated since 4.0.0. + * The rule was replaced with a more general rule. + * Please, use [`padding-line-between-statements`](https://eslint.style/rules/padding-line-between-statements) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/lines-around-directive + */ + "lines-around-directive": Linter.RuleEntry<["always" | "never"]>; + + /** + * Rule to require or disallow an empty line between class members. + * + * @since 4.9.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`lines-between-class-members`](https://eslint.style/rules/lines-between-class-members) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/lines-between-class-members + */ + "lines-between-class-members": Linter.RuleEntry< + [ + ( + | "always" + | "never" + | { + enforce: Array<{ + blankLine: "always" | "never"; + prev: "method" | "field" | "*"; + next: "method" | "field" | "*"; + }>; + } + ), + Partial<{ + /** + * @default false + */ + exceptAfterSingleLine: boolean; + }>, + ] + >; + + /** + * Rule to require or disallow logical assignment operator shorthand. + * + * @since 8.24.0 + * @see https://eslint.org/docs/latest/rules/logical-assignment-operators + */ + "logical-assignment-operators": + | Linter.RuleEntry< + [ + "always", + Partial<{ + /** + * @default false + */ + enforceForIfStatements: boolean; + }>, + ] + > + | Linter.RuleEntry<["never"]>; + + /** + * Rule to enforce a maximum number of classes per file. + * + * @since 5.0.0-alpha.3 + * @see https://eslint.org/docs/latest/rules/max-classes-per-file + */ + "max-classes-per-file": Linter.RuleEntry< + [ + | number + | Partial<{ + /** + * @default false + */ + ignoreExpressions: boolean; + /** + * @default 1 + */ + max: number; + }>, + ] + >; + + /** + * Rule to enforce a maximum depth that blocks can be nested. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/max-depth + */ + "max-depth": Linter.RuleEntry< + [ + | number + | Partial<{ + /** + * @deprecated + * @default 4 + */ + maximum: number; + /** + * @default 4 + */ + max: number; + }>, + ] + >; + + /** + * Rule to enforce a maximum line length. + * + * @since 0.0.9 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`max-len`](https://eslint.style/rules/max-len) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/max-len + */ + "max-len": Linter.RuleEntry< + [ + Partial<{ + /** + * @default 80 + */ + code: number; + /** + * @default 4 + */ + tabWidth: number; + comments: number; + ignorePattern: string; + /** + * @default false + */ + ignoreComments: boolean; + /** + * @default false + */ + ignoreTrailingComments: boolean; + /** + * @default false + */ + ignoreUrls: boolean; + /** + * @default false + */ + ignoreStrings: boolean; + /** + * @default false + */ + ignoreTemplateLiterals: boolean; + /** + * @default false + */ + ignoreRegExpLiterals: boolean; + }>, + ] + >; + + /** + * Rule to enforce a maximum number of lines per file. + * + * @since 2.12.0 + * @see https://eslint.org/docs/latest/rules/max-lines + */ + "max-lines": Linter.RuleEntry< + [ + | Partial<{ + /** + * @default 300 + */ + max: number; + /** + * @default false + */ + skipBlankLines: boolean; + /** + * @default false + */ + skipComments: boolean; + }> + | number, + ] + >; + + /** + * Rule to enforce a maximum number of lines of code in a function. + * + * @since 5.0.0 + * @see https://eslint.org/docs/latest/rules/max-lines-per-function + */ + "max-lines-per-function": Linter.RuleEntry< + [ + | number + | Partial<{ + /** + * @default 50 + */ + max: number; + /** + * @default false + */ + skipBlankLines: boolean; + /** + * @default false + */ + skipComments: boolean; + /** + * @default false + */ + IIFEs: boolean; + }>, + ] + >; + + /** + * Rule to enforce a maximum depth that callbacks can be nested. + * + * @since 0.2.0 + * @see https://eslint.org/docs/latest/rules/max-nested-callbacks + */ + "max-nested-callbacks": Linter.RuleEntry< + [ + | number + | Partial<{ + /** + * @deprecated + * @default 10 + */ + maximum: number; + /** + * @default 10 + */ + max: number; + }>, + ] + >; + + /** + * Rule to enforce a maximum number of parameters in function definitions. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/max-params + */ + "max-params": Linter.RuleEntry< + [ + | number + | Partial<{ + /** + * @deprecated + * @default 3 + */ + maximum: number; + /** + * @default 3 + */ + max: number; + /** + * @default false + */ + countVoidThis: boolean; + }>, + ] + >; + + /** + * Rule to enforce a maximum number of statements allowed in function blocks. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/max-statements + */ + "max-statements": Linter.RuleEntry< + [ + ( + | number + | Partial<{ + /** + * @deprecated + * @default 10 + */ + maximum: number; + /** + * @default 10 + */ + max: number; + }> + ), + Partial<{ + /** + * @default false + */ + ignoreTopLevelFunctions: boolean; + }>, + ] + >; + + /** + * Rule to enforce a maximum number of statements allowed per line. + * + * @since 2.5.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`max-statements-per-line`](https://eslint.style/rules/max-statements-per-line) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/max-statements-per-line + */ + "max-statements-per-line": Linter.RuleEntry< + [ + | Partial<{ + /** + * @default 1 + */ + max: number; + }> + | number, + ] + >; + + /** + * Rule to enforce a particular style for multiline comments. + * + * @since 4.10.0 + * @deprecated since 9.3.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`multiline-comment-style`](https://eslint.style/rules/multiline-comment-style) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/multiline-comment-style + */ + "multiline-comment-style": Linter.RuleEntry< + ["starred-block" | "bare-block" | "separate-lines"] + >; + + /** + * Rule to enforce newlines between operands of ternary expressions. + * + * @since 3.1.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`multiline-ternary`](https://eslint.style/rules/multiline-ternary) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/multiline-ternary + */ + "multiline-ternary": Linter.RuleEntry< + ["always" | "always-multiline" | "never"] + >; + + /** + * Rule to require constructor names to begin with a capital letter. + * + * @since 0.0.3-0 + * @see https://eslint.org/docs/latest/rules/new-cap + */ + "new-cap": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + newIsCap: boolean; + /** + * @default true + */ + capIsNew: boolean; + newIsCapExceptions: string[]; + newIsCapExceptionPattern: string; + capIsNewExceptions: string[]; + capIsNewExceptionPattern: string; + /** + * @default true + */ + properties: boolean; + }>, + ] + >; + + /** + * Rule to enforce or disallow parentheses when invoking a constructor with no arguments. + * + * @since 0.0.6 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`new-parens`](https://eslint.style/rules/new-parens) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/new-parens + */ + "new-parens": Linter.RuleEntry<["always" | "never"]>; + + /** + * Rule to require or disallow an empty line after variable declarations. + * + * @since 0.18.0 + * @deprecated since 4.0.0. + * The rule was replaced with a more general rule. + * Please, use [`padding-line-between-statements`](https://eslint.style/rules/padding-line-between-statements) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/newline-after-var + */ + "newline-after-var": Linter.RuleEntry<["always" | "never"]>; + + /** + * Rule to require an empty line before `return` statements. + * + * @since 2.3.0 + * @deprecated since 4.0.0. + * The rule was replaced with a more general rule. + * Please, use [`padding-line-between-statements`](https://eslint.style/rules/padding-line-between-statements) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/newline-before-return + */ + "newline-before-return": Linter.RuleEntry<[]>; + + /** + * Rule to require a newline after each call in a method chain. + * + * @since 2.0.0-rc.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`newline-per-chained-call`](https://eslint.style/rules/newline-per-chained-call) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/newline-per-chained-call + */ + "newline-per-chained-call": Linter.RuleEntry< + [ + { + /** + * @default 2 + */ + ignoreChainWithDepth: number; + }, + ] + >; + + /** + * Rule to disallow the use of `alert`, `confirm`, and `prompt`. + * + * @since 0.0.5 + * @see https://eslint.org/docs/latest/rules/no-alert + */ + "no-alert": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `Array` constructors. + * + * @since 0.4.0 + * @see https://eslint.org/docs/latest/rules/no-array-constructor + */ + "no-array-constructor": Linter.RuleEntry<[]>; + + /** + * Rule to disallow using an async function as a Promise executor. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 5.3.0 + * @see https://eslint.org/docs/latest/rules/no-async-promise-executor + */ + "no-async-promise-executor": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `await` inside of loops. + * + * @since 3.12.0 + * @see https://eslint.org/docs/latest/rules/no-await-in-loop + */ + "no-await-in-loop": Linter.RuleEntry<[]>; + + /** + * Rule to disallow bitwise operators. + * + * @since 0.0.2 + * @see https://eslint.org/docs/latest/rules/no-bitwise + */ + "no-bitwise": Linter.RuleEntry< + [ + Partial<{ + /** + * @default [] + */ + allow: Array< + | "^" + | "|" + | "&" + | "<<" + | ">>" + | ">>>" + | "^=" + | "|=" + | "&=" + | "<<=" + | ">>=" + | ">>>=" + | "~" + >; + /** + * @default false + */ + int32Hint: boolean; + }>, + ] + >; + + /** + * Rule to disallow use of the `Buffer()` constructor. + * + * @since 4.0.0-alpha.0 + * @deprecated since 7.0.0. + * Node.js rules were moved out of ESLint core. + * Please, use [`no-deprecated-api`](https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-deprecated-api.md) in [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n). + * @see https://eslint.org/docs/latest/rules/no-buffer-constructor + */ + "no-buffer-constructor": Linter.RuleEntry<[]>; + + /** + * Rule to disallow the use of `arguments.caller` or `arguments.callee`. + * + * @since 0.0.6 + * @see https://eslint.org/docs/latest/rules/no-caller + */ + "no-caller": Linter.RuleEntry<[]>; + + /** + * Rule to disallow lexical declarations in case clauses. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 1.9.0 + * @see https://eslint.org/docs/latest/rules/no-case-declarations + */ + "no-case-declarations": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `catch` clause parameters from shadowing variables in the outer scope. + * + * @since 0.0.9 + * @deprecated since 5.1.0. + * This rule was renamed. + * Please, use [`no-shadow`](https://eslint.org/docs/rules/no-shadow). + * @see https://eslint.org/docs/latest/rules/no-catch-shadow + */ + "no-catch-shadow": Linter.RuleEntry<[]>; + + /** + * Rule to disallow reassigning class members. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 1.0.0-rc-1 + * @see https://eslint.org/docs/latest/rules/no-class-assign + */ + "no-class-assign": Linter.RuleEntry<[]>; + + /** + * Rule to disallow comparing against `-0`. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 3.17.0 + * @see https://eslint.org/docs/latest/rules/no-compare-neg-zero + */ + "no-compare-neg-zero": Linter.RuleEntry<[]>; + + /** + * Rule to disallow assignment operators in conditional expressions. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-cond-assign + */ + "no-cond-assign": Linter.RuleEntry<["except-parens" | "always"]>; + + /** + * Rule to disallow arrow functions where they could be confused with comparisons. + * + * @since 2.0.0-alpha-2 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`no-confusing-arrow`](https://eslint.style/rules/no-confusing-arrow) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-confusing-arrow + */ + "no-confusing-arrow": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + allowParens: boolean; + }>, + ] + >; + + /** + * Rule to disallow the use of `console`. + * + * @since 0.0.2 + * @see https://eslint.org/docs/latest/rules/no-console + */ + "no-console": Linter.RuleEntry< + [ + Partial<{ + allow: Array; + }>, + ] + >; + + /** + * Rule to disallow reassigning `const`, `using`, and `await using` variables. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 1.0.0-rc-1 + * @see https://eslint.org/docs/latest/rules/no-const-assign + */ + "no-const-assign": Linter.RuleEntry<[]>; + + /** + * Rule to disallow expressions where the operation doesn't affect the value. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 8.14.0 + * @see https://eslint.org/docs/latest/rules/no-constant-binary-expression + */ + "no-constant-binary-expression": Linter.RuleEntry<[]>; + + /** + * Rule to disallow constant expressions in conditions. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.4.1 + * @see https://eslint.org/docs/latest/rules/no-constant-condition + */ + "no-constant-condition": Linter.RuleEntry< + [ + { + /** + * @default "allExceptWhileTrue" + */ + checkLoops: "all" | "allExceptWhileTrue" | "none" | boolean; + }, + ] + >; + + /** + * Rule to disallow returning value from constructor. + * + * @since 6.7.0 + * @see https://eslint.org/docs/latest/rules/no-constructor-return + */ + "no-constructor-return": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `continue` statements. + * + * @since 0.19.0 + * @see https://eslint.org/docs/latest/rules/no-continue + */ + "no-continue": Linter.RuleEntry<[]>; + + /** + * Rule to disallow control characters in regular expressions. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.1.0 + * @see https://eslint.org/docs/latest/rules/no-control-regex + */ + "no-control-regex": Linter.RuleEntry<[]>; + + /** + * Rule to disallow the use of `debugger`. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.2 + * @see https://eslint.org/docs/latest/rules/no-debugger + */ + "no-debugger": Linter.RuleEntry<[]>; + + /** + * Rule to disallow deleting variables. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-delete-var + */ + "no-delete-var": Linter.RuleEntry<[]>; + + /** + * Rule to disallow equal signs explicitly at the beginning of regular expressions. + * + * @since 0.1.0 + * @see https://eslint.org/docs/latest/rules/no-div-regex + */ + "no-div-regex": Linter.RuleEntry<[]>; + + /** + * Rule to disallow duplicate arguments in `function` definitions. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.16.0 + * @see https://eslint.org/docs/latest/rules/no-dupe-args + */ + "no-dupe-args": Linter.RuleEntry<[]>; + + /** + * Rule to disallow duplicate class members. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 1.2.0 + * @see https://eslint.org/docs/latest/rules/no-dupe-class-members + */ + "no-dupe-class-members": Linter.RuleEntry<[]>; + + /** + * Rule to disallow duplicate conditions in if-else-if chains. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 6.7.0 + * @see https://eslint.org/docs/latest/rules/no-dupe-else-if + */ + "no-dupe-else-if": Linter.RuleEntry<[]>; + + /** + * Rule to disallow duplicate keys in object literals. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-dupe-keys + */ + "no-dupe-keys": Linter.RuleEntry<[]>; + + /** + * Rule to disallow duplicate case labels. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.17.0 + * @see https://eslint.org/docs/latest/rules/no-duplicate-case + */ + "no-duplicate-case": Linter.RuleEntry<[]>; + + /** + * Rule to disallow duplicate module imports. + * + * @since 2.5.0 + * @see https://eslint.org/docs/latest/rules/no-duplicate-imports + */ + "no-duplicate-imports": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + includeExports: boolean; + /** + * @default false + */ + allowSeparateTypeImports: boolean; + }>, + ] + >; + + /** + * Rule to disallow `else` blocks after `return` statements in `if` statements. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-else-return + */ + "no-else-return": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + allowElseIf: boolean; + }>, + ] + >; + + /** + * Rule to disallow empty block statements. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.2 + * @see https://eslint.org/docs/latest/rules/no-empty + */ + "no-empty": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowEmptyCatch: boolean; + }>, + ] + >; + + /** + * Rule to disallow empty character classes in regular expressions. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.22.0 + * @see https://eslint.org/docs/latest/rules/no-empty-character-class + */ + "no-empty-character-class": Linter.RuleEntry<[]>; + + /** + * Rule to disallow empty functions. + * + * @since 2.0.0 + * @see https://eslint.org/docs/latest/rules/no-empty-function + */ + "no-empty-function": Linter.RuleEntry< + [ + Partial<{ + /** + * @default [] + */ + allow: Array< + | "functions" + | "arrowFunctions" + | "generatorFunctions" + | "methods" + | "generatorMethods" + | "getters" + | "setters" + | "constructors" + | "asyncFunctions" + | "asyncMethods" + | "privateConstructors" + | "protectedConstructors" + | "decoratedFunctions" + | "overrideMethods" + >; + }>, + ] + >; + + /** + * Rule to disallow empty destructuring patterns. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 1.7.0 + * @see https://eslint.org/docs/latest/rules/no-empty-pattern + */ + "no-empty-pattern": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowObjectPatternsAsParameters: boolean; + }>, + ] + >; + + /** + * Rule to disallow empty static blocks. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 8.27.0 + * @see https://eslint.org/docs/latest/rules/no-empty-static-block + */ + "no-empty-static-block": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `null` comparisons without type-checking operators. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-eq-null + */ + "no-eq-null": Linter.RuleEntry<[]>; + + /** + * Rule to disallow the use of `eval()`. + * + * @since 0.0.2 + * @see https://eslint.org/docs/latest/rules/no-eval + */ + "no-eval": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowIndirect: boolean; + }>, + ] + >; + + /** + * Rule to disallow reassigning exceptions in `catch` clauses. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-ex-assign + */ + "no-ex-assign": Linter.RuleEntry<[]>; + + /** + * Rule to disallow extending native types. + * + * @since 0.1.4 + * @see https://eslint.org/docs/latest/rules/no-extend-native + */ + "no-extend-native": Linter.RuleEntry< + [ + Partial<{ + exceptions: string[]; + }>, + ] + >; + + /** + * Rule to disallow unnecessary calls to `.bind()`. + * + * @since 0.8.0 + * @see https://eslint.org/docs/latest/rules/no-extra-bind + */ + "no-extra-bind": Linter.RuleEntry<[]>; + + /** + * Rule to disallow unnecessary boolean casts. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.4.0 + * @see https://eslint.org/docs/latest/rules/no-extra-boolean-cast + */ + "no-extra-boolean-cast": Linter.RuleEntry< + [ + | Partial<{ + /** + * @since 9.3.0 + * @default false + */ + enforceForInnerExpressions: boolean; + /** + * @deprecated + */ + enforceForLogicalOperands: never; + }> + | Partial<{ + /** + * @deprecated + * @since 7.0.0-alpha.2 + * @default false + */ + enforceForLogicalOperands: boolean; + enforceForInnerExpressions: never; + }>, + ] + >; + + /** + * Rule to disallow unnecessary labels. + * + * @since 2.0.0-rc.0 + * @see https://eslint.org/docs/latest/rules/no-extra-label + */ + "no-extra-label": Linter.RuleEntry<[]>; + + /** + * Rule to disallow unnecessary parentheses. + * + * @since 0.1.4 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`no-extra-parens`](https://eslint.style/rules/no-extra-parens) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-extra-parens + */ + "no-extra-parens": + | Linter.RuleEntry< + [ + "all", + Partial<{ + /** + * @default true, + */ + conditionalAssign: boolean; + /** + * @default true + */ + returnAssign: boolean; + /** + * @default true + */ + nestedBinaryExpressions: boolean; + /** + * @default 'none' + */ + ignoreJSX: + | "none" + | "all" + | "multi-line" + | "single-line"; + /** + * @default true + */ + enforceForArrowConditionals: boolean; + }>, + ] + > + | Linter.RuleEntry<["functions"]>; + + /** + * Rule to disallow unnecessary semicolons. + * + * @since 0.0.9 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`no-extra-semi`](https://eslint.style/rules/no-extra-semi) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-extra-semi + */ + "no-extra-semi": Linter.RuleEntry<[]>; + + /** + * Rule to disallow fallthrough of `case` statements. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.7 + * @see https://eslint.org/docs/latest/rules/no-fallthrough + */ + "no-fallthrough": Linter.RuleEntry< + [ + Partial<{ + /** + * @default 'falls?\s?through' + */ + commentPattern: string; + /** + * @default false + */ + allowEmptyCase: boolean; + /** + * @default false + */ + reportUnusedFallthroughComment: boolean; + }>, + ] + >; + + /** + * Rule to disallow leading or trailing decimal points in numeric literals. + * + * @since 0.0.6 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`no-floating-decimal`](https://eslint.style/rules/no-floating-decimal) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-floating-decimal + */ + "no-floating-decimal": Linter.RuleEntry<[]>; + + /** + * Rule to disallow reassigning `function` declarations. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-func-assign + */ + "no-func-assign": Linter.RuleEntry<[]>; + + /** + * Rule to disallow assignments to native objects or read-only global variables. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 3.3.0 + * @see https://eslint.org/docs/latest/rules/no-global-assign + */ + "no-global-assign": Linter.RuleEntry< + [ + Partial<{ + exceptions: string[]; + }>, + ] + >; + + /** + * Rule to disallow shorthand type conversions. + * + * @since 1.0.0-rc-2 + * @see https://eslint.org/docs/latest/rules/no-implicit-coercion + */ + "no-implicit-coercion": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + boolean: boolean; + /** + * @default true + */ + number: boolean; + /** + * @default true + */ + string: boolean; + /** + * @default false + */ + disallowTemplateShorthand: boolean; + /** + * @default [] + */ + allow: Array<"~" | "!!" | "+" | "- -" | "-" | "*">; + }>, + ] + >; + + /** + * Rule to disallow declarations in the global scope. + * + * @since 2.0.0-alpha-1 + * @see https://eslint.org/docs/latest/rules/no-implicit-globals + */ + "no-implicit-globals": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + lexicalBindings: boolean; + }>, + ] + >; + + /** + * Rule to disallow the use of `eval()`-like methods. + * + * @since 0.0.7 + * @see https://eslint.org/docs/latest/rules/no-implied-eval + */ + "no-implied-eval": Linter.RuleEntry<[]>; + + /** + * Rule to disallow assigning to imported bindings. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 6.4.0 + * @see https://eslint.org/docs/latest/rules/no-import-assign + */ + "no-import-assign": Linter.RuleEntry<[]>; + + /** + * Rule to disallow inline comments after code. + * + * @since 0.10.0 + * @see https://eslint.org/docs/latest/rules/no-inline-comments + */ + "no-inline-comments": Linter.RuleEntry< + [ + Partial<{ + ignorePattern: string; + }>, + ] + >; + + /** + * Rule to disallow variable or `function` declarations in nested blocks. + * + * @since 0.6.0 + * @see https://eslint.org/docs/latest/rules/no-inner-declarations + */ + "no-inner-declarations": Linter.RuleEntry< + [ + "functions" | "both", + Partial<{ + /** + * @default "allow" + */ + blockScopedFunctions: "allow" | "disallow"; + }>, + ] + >; + + /** + * Rule to disallow invalid regular expression strings in `RegExp` constructors. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.1.4 + * @see https://eslint.org/docs/latest/rules/no-invalid-regexp + */ + "no-invalid-regexp": Linter.RuleEntry< + [ + Partial<{ + allowConstructorFlags: string[]; + }>, + ] + >; + + /** + * Rule to disallow use of `this` in contexts where the value of `this` is `undefined`. + * + * @since 1.0.0-rc-2 + * @see https://eslint.org/docs/latest/rules/no-invalid-this + */ + "no-invalid-this": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + capIsConstructor: boolean; + }>, + ] + >; + + /** + * Rule to disallow irregular whitespace. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.9.0 + * @see https://eslint.org/docs/latest/rules/no-irregular-whitespace + */ + "no-irregular-whitespace": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + skipStrings: boolean; + /** + * @default false + */ + skipComments: boolean; + /** + * @default false + */ + skipRegExps: boolean; + /** + * @default false + */ + skipTemplates: boolean; + /** + * @default false + */ + skipJSXText: boolean; + }>, + ] + >; + + /** + * Rule to disallow the use of the `__iterator__` property. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-iterator + */ + "no-iterator": Linter.RuleEntry<[]>; + + /** + * Rule to disallow labels that share a name with a variable. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-label-var + */ + "no-label-var": Linter.RuleEntry<[]>; + + /** + * Rule to disallow labeled statements. + * + * @since 0.4.0 + * @see https://eslint.org/docs/latest/rules/no-labels + */ + "no-labels": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowLoop: boolean; + /** + * @default false + */ + allowSwitch: boolean; + }>, + ] + >; + + /** + * Rule to disallow unnecessary nested blocks. + * + * @since 0.4.0 + * @see https://eslint.org/docs/latest/rules/no-lone-blocks + */ + "no-lone-blocks": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `if` statements as the only statement in `else` blocks. + * + * @since 0.6.0 + * @see https://eslint.org/docs/latest/rules/no-lonely-if + */ + "no-lonely-if": Linter.RuleEntry<[]>; + + /** + * Rule to disallow function declarations that contain unsafe references inside loop statements. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-loop-func + */ + "no-loop-func": Linter.RuleEntry<[]>; + + /** + * Rule to disallow literal numbers that lose precision. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 7.1.0 + * @see https://eslint.org/docs/latest/rules/no-loss-of-precision + */ + "no-loss-of-precision": Linter.RuleEntry<[]>; + + /** + * Rule to disallow magic numbers. + * + * @since 1.7.0 + * @see https://eslint.org/docs/latest/rules/no-magic-numbers + */ + "no-magic-numbers": Linter.RuleEntry< + [ + Partial<{ + /** + * @default [] + */ + ignore: Array; + /** + * @default false + */ + ignoreArrayIndexes: boolean; + /** + * @default false + */ + ignoreDefaultValues: boolean; + /** + * @default false + */ + ignoreClassFieldInitialValues: boolean; + /** + * @default false + */ + enforceConst: boolean; + /** + * @default false + */ + detectObjects: boolean; + /** + * @default false + */ + ignoreEnums: boolean; + /** + * @default false + */ + ignoreNumericLiteralTypes: boolean; + /** + * @default false + */ + ignoreReadonlyClassProperties: boolean; + /** + * @default false + */ + ignoreTypeIndexes: boolean; + }>, + ] + >; + + /** + * Rule to disallow characters which are made with multiple code points in character class syntax. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 5.3.0 + * @see https://eslint.org/docs/latest/rules/no-misleading-character-class + */ + "no-misleading-character-class": Linter.RuleEntry< + [ + Partial<{ + /** + * @since 9.3.0 + * @default false + */ + allowEscape: boolean; + }>, + ] + >; + + /** + * Rule to disallow mixed binary operators. + * + * @since 2.12.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`no-mixed-operators`](https://eslint.style/rules/no-mixed-operators) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-mixed-operators + */ + "no-mixed-operators": Linter.RuleEntry< + [ + Partial<{ + /** + * @default + * [ + * ["+", "-", "*", "/", "%", "**"], + * ["&", "|", "^", "~", "<<", ">>", ">>>"], + * ["==", "!=", "===", "!==", ">", ">=", "<", "<="], + * ["&&", "||"], + * ["in", "instanceof"] + * ] + */ + groups: string[][]; + /** + * @default true + */ + allowSamePrecedence: boolean; + }>, + ] + >; + + /** + * Rule to disallow `require` calls to be mixed with regular variable declarations. + * + * @since 0.0.9 + * @deprecated since 7.0.0. + * Node.js rules were moved out of ESLint core. + * Please, use [`no-mixed-requires`](https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-mixed-requires.md) in [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n). + * @see https://eslint.org/docs/latest/rules/no-mixed-requires + */ + "no-mixed-requires": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + grouping: boolean; + /** + * @default false + */ + allowCall: boolean; + }>, + ] + >; + + /** + * Rule to disallow mixed spaces and tabs for indentation. + * + * @since 0.7.1 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`no-mixed-spaces-and-tabs`](https://eslint.style/rules/no-mixed-spaces-and-tabs) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-mixed-spaces-and-tabs + */ + "no-mixed-spaces-and-tabs": Linter.RuleEntry<["smart-tabs"]>; + + /** + * Rule to disallow use of chained assignment expressions. + * + * @since 3.14.0 + * @see https://eslint.org/docs/latest/rules/no-multi-assign + */ + "no-multi-assign": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + ignoreNonDeclaration: boolean; + }>, + ] + >; + + /** + * Rule to disallow multiple spaces. + * + * @since 0.9.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`no-multi-spaces`](https://eslint.style/rules/no-multi-spaces) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-multi-spaces + */ + "no-multi-spaces": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + ignoreEOLComments: boolean; + /** + * @default { Property: true } + */ + exceptions: Record; + }>, + ] + >; + + /** + * Rule to disallow multiline strings. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-multi-str + */ + "no-multi-str": Linter.RuleEntry<[]>; + + /** + * Rule to disallow multiple empty lines. + * + * @since 0.9.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`no-multiple-empty-lines`](https://eslint.style/rules/no-multiple-empty-lines) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-multiple-empty-lines + */ + "no-multiple-empty-lines": Linter.RuleEntry< + [ + | Partial<{ + /** + * @default 2 + */ + max: number; + maxEOF: number; + maxBOF: number; + }> + | number, + ] + >; + + /** + * Rule to disallow assignments to native objects or read-only global variables. + * + * @since 0.0.9 + * @deprecated since 3.3.0. + * Renamed rule. + * Please, use [`no-global-assign`](https://eslint.org/docs/rules/no-global-assign). + * @see https://eslint.org/docs/latest/rules/no-native-reassign + */ + "no-native-reassign": Linter.RuleEntry< + [ + Partial<{ + exceptions: string[]; + }>, + ] + >; + + /** + * Rule to disallow negated conditions. + * + * @since 1.6.0 + * @see https://eslint.org/docs/latest/rules/no-negated-condition + */ + "no-negated-condition": Linter.RuleEntry<[]>; + + /** + * Rule to disallow negating the left operand in `in` expressions. + * + * @since 0.1.2 + * @deprecated since 3.3.0. + * Renamed rule. + * Please, use [`no-unsafe-negation`](https://eslint.org/docs/rules/no-unsafe-negation). + * @see https://eslint.org/docs/latest/rules/no-negated-in-lhs + */ + "no-negated-in-lhs": Linter.RuleEntry<[]>; + + /** + * Rule to disallow nested ternary expressions. + * + * @since 0.2.0 + * @see https://eslint.org/docs/latest/rules/no-nested-ternary + */ + "no-nested-ternary": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `new` operators outside of assignments or comparisons. + * + * @since 0.0.7 + * @see https://eslint.org/docs/latest/rules/no-new + */ + "no-new": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `new` operators with the `Function` object. + * + * @since 0.0.7 + * @see https://eslint.org/docs/latest/rules/no-new-func + */ + "no-new-func": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `new` operators with global non-constructor functions. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 8.27.0 + * @see https://eslint.org/docs/latest/rules/no-new-native-nonconstructor + */ + "no-new-native-nonconstructor": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `Object` constructors. + * + * @since 0.0.9 + * @deprecated since 8.50.0. + * The new rule flags more situations where object literal syntax can be used, and it does not report a problem when the `Object` constructor is invoked with an argument. + * Please, use [`no-object-constructor`](https://eslint.org/docs/rules/no-object-constructor). + * @see https://eslint.org/docs/latest/rules/no-new-object + */ + "no-new-object": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `new` operators with calls to `require`. + * + * @since 0.6.0 + * @deprecated since 7.0.0. + * Node.js rules were moved out of ESLint core. + * Please, use [`no-new-require`](https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-new-require.md) in [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n). + * @see https://eslint.org/docs/latest/rules/no-new-require + */ + "no-new-require": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `new` operators with the `Symbol` object. + * + * @since 2.0.0-beta.1 + * @deprecated since 9.0.0. + * The rule was replaced with a more general rule. + * Please, use [`no-new-native-nonconstructor`](https://eslint.org/docs/latest/rules/no-new-native-nonconstructor). + * @see https://eslint.org/docs/latest/rules/no-new-symbol + */ + "no-new-symbol": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `new` operators with the `String`, `Number`, and `Boolean` objects. + * + * @since 0.0.6 + * @see https://eslint.org/docs/latest/rules/no-new-wrappers + */ + "no-new-wrappers": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `\8` and `\9` escape sequences in string literals. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 7.14.0 + * @see https://eslint.org/docs/latest/rules/no-nonoctal-decimal-escape + */ + "no-nonoctal-decimal-escape": Linter.RuleEntry<[]>; + + /** + * Rule to disallow calling global object properties as functions. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-obj-calls + */ + "no-obj-calls": Linter.RuleEntry<[]>; + + /** + * Rule to disallow calls to the `Object` constructor without an argument. + * + * @since 8.50.0 + * @see https://eslint.org/docs/latest/rules/no-object-constructor + */ + "no-object-constructor": Linter.RuleEntry<[]>; + + /** + * Rule to disallow octal literals. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.6 + * @see https://eslint.org/docs/latest/rules/no-octal + */ + "no-octal": Linter.RuleEntry<[]>; + + /** + * Rule to disallow octal escape sequences in string literals. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-octal-escape + */ + "no-octal-escape": Linter.RuleEntry<[]>; + + /** + * Rule to disallow reassigning function parameters. + * + * @since 0.18.0 + * @see https://eslint.org/docs/latest/rules/no-param-reassign + */ + "no-param-reassign": Linter.RuleEntry< + [ + | { + props?: false; + } + | ({ + props: true; + } & Partial<{ + /** + * @default [] + */ + ignorePropertyModificationsFor: string[]; + /** + * @since 6.6.0 + * @default [] + */ + ignorePropertyModificationsForRegex: string[]; + }>), + ] + >; + + /** + * Rule to disallow string concatenation with `__dirname` and `__filename`. + * + * @since 0.4.0 + * @deprecated since 7.0.0. + * Node.js rules were moved out of ESLint core. + * Please, use [`no-path-concat`](https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-path-concat.md) in [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n). + * @see https://eslint.org/docs/latest/rules/no-path-concat + */ + "no-path-concat": Linter.RuleEntry<[]>; + + /** + * Rule to disallow the unary operators `++` and `--`. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-plusplus + */ + "no-plusplus": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowForLoopAfterthoughts: boolean; + }>, + ] + >; + + /** + * Rule to disallow the use of `process.env`. + * + * @since 0.9.0 + * @deprecated since 7.0.0. + * Node.js rules were moved out of ESLint core. + * Please, use [`no-process-env`](https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-process-env.md) in [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n). + * @see https://eslint.org/docs/latest/rules/no-process-env + */ + "no-process-env": Linter.RuleEntry<[]>; + + /** + * Rule to disallow the use of `process.exit()`. + * + * @since 0.4.0 + * @deprecated since 7.0.0. + * Node.js rules were moved out of ESLint core. + * Please, use [`no-process-exit`](https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-process-exit.md) in [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n). + * @see https://eslint.org/docs/latest/rules/no-process-exit + */ + "no-process-exit": Linter.RuleEntry<[]>; + + /** + * Rule to disallow returning values from Promise executor functions. + * + * @since 7.3.0 + * @see https://eslint.org/docs/latest/rules/no-promise-executor-return + */ + "no-promise-executor-return": Linter.RuleEntry< + [ + { + /** + * @default false + */ + allowVoid?: boolean; + }, + ] + >; + + /** + * Rule to disallow the use of the `__proto__` property. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-proto + */ + "no-proto": Linter.RuleEntry<[]>; + + /** + * Rule to disallow calling some `Object.prototype` methods directly on objects. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 2.11.0 + * @see https://eslint.org/docs/latest/rules/no-prototype-builtins + */ + "no-prototype-builtins": Linter.RuleEntry<[]>; + + /** + * Rule to disallow variable redeclaration. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-redeclare + */ + "no-redeclare": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + builtinGlobals: boolean; + }>, + ] + >; + + /** + * Rule to disallow multiple spaces in regular expressions. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.4.0 + * @see https://eslint.org/docs/latest/rules/no-regex-spaces + */ + "no-regex-spaces": Linter.RuleEntry<[]>; + + /** + * Rule to disallow specified names in exports. + * + * @since 7.0.0-alpha.0 + * @see https://eslint.org/docs/latest/rules/no-restricted-exports + */ + "no-restricted-exports": Linter.RuleEntry< + [ + Partial<{ + /** + * @default [] + */ + restrictedNamedExports: string[]; + /** + * @since 9.3.0 + */ + restrictedNamedExportsPattern: string; + /** + * @since 8.33.0 + */ + restrictDefaultExports: Partial<{ + /** + * @default false + */ + direct: boolean; + /** + * @default false + */ + named: boolean; + /** + * @default false + */ + defaultFrom: boolean; + /** + * @default false + */ + namedFrom: boolean; + /** + * @default false + */ + namespaceFrom: boolean; + }>; + }>, + ] + >; + + /** + * Rule to disallow specified global variables. + * + * @since 2.3.0 + * @see https://eslint.org/docs/latest/rules/no-restricted-globals + */ + "no-restricted-globals": Linter.RuleEntry< + [ + ...( + | Array< + | string + | { + name: string; + message?: string | undefined; + } + > + | Array<{ + globals: Array< + | string + | { + name: string; + message?: string | undefined; + } + >; + checkGlobalObject?: boolean; + globalObjects?: string[]; + }> + ), + ] + >; + + /** + * Rule to disallow specified modules when loaded by `import`. + * + * @since 2.0.0-alpha-1 + * @see https://eslint.org/docs/latest/rules/no-restricted-imports + */ + "no-restricted-imports": Linter.RuleEntry< + [ + ...Array< + | string + | ValidNoRestrictedImportPathOptions + | Partial<{ + paths: Array< + string | ValidNoRestrictedImportPathOptions + >; + patterns: + | Array + | Array; + }> + >, + ] + >; + + /** + * Rule to disallow specified modules when loaded by `require`. + * + * @since 0.6.0 + * @deprecated since 7.0.0. + * Node.js rules were moved out of ESLint core. + * Please, use [`no-restricted-require`](https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-restricted-require.md) in [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n). + * @see https://eslint.org/docs/latest/rules/no-restricted-modules + */ + "no-restricted-modules": Linter.RuleEntry< + [ + ...Array< + | string + | { + name: string; + message?: string | undefined; + } + | Partial<{ + paths: Array< + | string + | { + name: string; + message?: string | undefined; + } + >; + patterns: string[]; + }> + >, + ] + >; + + /** + * Rule to disallow certain properties on certain objects. + * + * @since 3.5.0 + * @see https://eslint.org/docs/latest/rules/no-restricted-properties + */ + "no-restricted-properties": Linter.RuleEntry< + [ + ...Array< + | { + object: string; + property?: string | undefined; + message?: string | undefined; + } + | { + property: string; + allowObjects?: string[]; + message?: string | undefined; + } + | { + object: string; + allowProperties?: string[]; + message?: string | undefined; + } + >, + ] + >; + + /** + * Rule to disallow specified syntax. + * + * @since 1.4.0 + * @see https://eslint.org/docs/latest/rules/no-restricted-syntax + */ + "no-restricted-syntax": Linter.RuleEntry< + [ + ...Array< + | string + | { + selector: string; + message?: string | undefined; + } + >, + ] + >; + + /** + * Rule to disallow assignment operators in `return` statements. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-return-assign + */ + "no-return-assign": Linter.RuleEntry<["except-parens" | "always"]>; + + /** + * Rule to disallow unnecessary `return await`. + * + * @since 3.10.0 + * @deprecated since 8.46.0. + * The original assumption of the rule no longer holds true because of engine optimization. + * @see https://eslint.org/docs/latest/rules/no-return-await + */ + "no-return-await": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `javascript:` URLs. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-script-url + */ + "no-script-url": Linter.RuleEntry<[]>; + + /** + * Rule to disallow assignments where both sides are exactly the same. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 2.0.0-rc.0 + * @see https://eslint.org/docs/latest/rules/no-self-assign + */ + "no-self-assign": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + props: boolean; + }>, + ] + >; + + /** + * Rule to disallow comparisons where both sides are exactly the same. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-self-compare + */ + "no-self-compare": Linter.RuleEntry<[]>; + + /** + * Rule to disallow comma operators. + * + * @since 0.5.1 + * @see https://eslint.org/docs/latest/rules/no-sequences + */ + "no-sequences": Linter.RuleEntry< + [ + Partial<{ + /** + * @since 7.23.0 + * @default true + */ + allowInParentheses: boolean; + }>, + ] + >; + + /** + * Rule to disallow returning values from setters. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 6.7.0 + * @see https://eslint.org/docs/latest/rules/no-setter-return + */ + "no-setter-return": Linter.RuleEntry<[]>; + + /** + * Rule to disallow variable declarations from shadowing variables declared in the outer scope. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-shadow + */ + "no-shadow": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + builtinGlobals: boolean; + /** + * @default 'functions' + */ + hoist: + | "functions" + | "all" + | "never" + | "types" + | "functions-and-types"; + allow: string[]; + /** + * @since 8.10.0 + * @default false + */ + ignoreOnInitialization: boolean; + /** + * @default true + */ + ignoreTypeValueShadow: boolean; + /** + * @default true + */ + ignoreFunctionTypeParameterNameValueShadow: boolean; + }>, + ] + >; + + /** + * Rule to disallow identifiers from shadowing restricted names. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.1.4 + * @see https://eslint.org/docs/latest/rules/no-shadow-restricted-names + */ + "no-shadow-restricted-names": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + reportGlobalThis: boolean; + }>, + ] + >; + + /** + * Rule to disallow spacing between function identifiers and their applications (deprecated). + * + * @since 0.1.2 + * @deprecated since 3.3.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`function-call-spacing`](https://eslint.style/rules/function-call-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-spaced-func + */ + "no-spaced-func": Linter.RuleEntry<[]>; + + /** + * Rule to disallow sparse arrays. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.4.0 + * @see https://eslint.org/docs/latest/rules/no-sparse-arrays + */ + "no-sparse-arrays": Linter.RuleEntry<[]>; + + /** + * Rule to disallow synchronous methods. + * + * @since 0.0.9 + * @deprecated since 7.0.0. + * Node.js rules were moved out of ESLint core. + * Please, use [`no-sync`](https://github.com/eslint-community/eslint-plugin-n/tree/master/docs/rules/no-sync.md) in [`eslint-plugin-n`](https://github.com/eslint-community/eslint-plugin-n). + * @see https://eslint.org/docs/latest/rules/no-sync + */ + "no-sync": Linter.RuleEntry< + [ + { + /** + * @default false + */ + allowAtRootLevel: boolean; + }, + ] + >; + + /** + * Rule to disallow all tabs. + * + * @since 3.2.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`no-tabs`](https://eslint.style/rules/no-tabs) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-tabs + */ + "no-tabs": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowIndentationTabs: boolean; + }>, + ] + >; + + /** + * Rule to disallow template literal placeholder syntax in regular strings. + * + * @since 3.3.0 + * @see https://eslint.org/docs/latest/rules/no-template-curly-in-string + */ + "no-template-curly-in-string": Linter.RuleEntry<[]>; + + /** + * Rule to disallow ternary operators. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-ternary + */ + "no-ternary": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `this`/`super` before calling `super()` in constructors. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.24.0 + * @see https://eslint.org/docs/latest/rules/no-this-before-super + */ + "no-this-before-super": Linter.RuleEntry<[]>; + + /** + * Rule to disallow throwing literals as exceptions. + * + * @since 0.15.0 + * @see https://eslint.org/docs/latest/rules/no-throw-literal + */ + "no-throw-literal": Linter.RuleEntry<[]>; + + /** + * Rule to disallow trailing whitespace at the end of lines. + * + * @since 0.7.1 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`no-trailing-spaces`](https://eslint.style/rules/no-trailing-spaces) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-trailing-spaces + */ + "no-trailing-spaces": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + skipBlankLines: boolean; + /** + * @default false + */ + ignoreComments: boolean; + }>, + ] + >; + + /** + * Rule to disallow `let` or `var` variables that are read but never assigned. + * + * @since 9.27.0 + * @see https://eslint.org/docs/latest/rules/no-unassigned-vars + */ + "no-unassigned-vars": Linter.RuleEntry<[]>; + + /** + * Rule to disallow the use of undeclared variables unless mentioned in \/*global *\/ comments. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-undef + */ + "no-undef": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + typeof: boolean; + }>, + ] + >; + + /** + * Rule to disallow initializing variables to `undefined`. + * + * @since 0.0.6 + * @see https://eslint.org/docs/latest/rules/no-undef-init + */ + "no-undef-init": Linter.RuleEntry<[]>; + + /** + * Rule to disallow the use of `undefined` as an identifier. + * + * @since 0.7.1 + * @see https://eslint.org/docs/latest/rules/no-undefined + */ + "no-undefined": Linter.RuleEntry<[]>; + + /** + * Rule to disallow dangling underscores in identifiers. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-underscore-dangle + */ + "no-underscore-dangle": Linter.RuleEntry< + [ + Partial<{ + allow: string[]; + /** + * @default false + */ + allowAfterThis: boolean; + /** + * @default false + */ + allowAfterSuper: boolean; + /** + * @since 6.7.0 + * @default false + */ + allowAfterThisConstructor: boolean; + /** + * @default false + */ + enforceInMethodNames: boolean; + /** + * @since 8.15.0 + * @default false + */ + enforceInClassFields: boolean; + /** + * @since 8.31.0 + * @default true + */ + allowInArrayDestructuring: boolean; + /** + * @since 8.31.0 + * @default true + */ + allowInObjectDestructuring: boolean; + /** + * @since 7.7.0 + * @default true + */ + allowFunctionParams: boolean; + }>, + ] + >; + + /** + * Rule to disallow confusing multiline expressions. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.24.0 + * @see https://eslint.org/docs/latest/rules/no-unexpected-multiline + */ + "no-unexpected-multiline": Linter.RuleEntry<[]>; + + /** + * Rule to disallow unmodified loop conditions. + * + * @since 2.0.0-alpha-2 + * @see https://eslint.org/docs/latest/rules/no-unmodified-loop-condition + */ + "no-unmodified-loop-condition": Linter.RuleEntry<[]>; + + /** + * Rule to disallow ternary operators when simpler alternatives exist. + * + * @since 0.21.0 + * @see https://eslint.org/docs/latest/rules/no-unneeded-ternary + */ + "no-unneeded-ternary": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + defaultAssignment: boolean; + }>, + ] + >; + + /** + * Rule to disallow unreachable code after `return`, `throw`, `continue`, and `break` statements. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.6 + * @see https://eslint.org/docs/latest/rules/no-unreachable + */ + "no-unreachable": Linter.RuleEntry<[]>; + + /** + * Rule to disallow loops with a body that allows only one iteration. + * + * @since 7.3.0 + * @see https://eslint.org/docs/latest/rules/no-unreachable-loop + */ + "no-unreachable-loop": Linter.RuleEntry< + [ + Partial<{ + /** + * @default [] + */ + ignore: Array< + | "WhileStatement" + | "DoWhileStatement" + | "ForStatement" + | "ForInStatement" + | "ForOfStatement" + >; + }>, + ] + >; + + /** + * Rule to disallow control flow statements in `finally` blocks. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 2.9.0 + * @see https://eslint.org/docs/latest/rules/no-unsafe-finally + */ + "no-unsafe-finally": Linter.RuleEntry<[]>; + + /** + * Rule to disallow negating the left operand of relational operators. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 3.3.0 + * @see https://eslint.org/docs/latest/rules/no-unsafe-negation + */ + "no-unsafe-negation": Linter.RuleEntry< + [ + Partial<{ + /** + * @since 6.6.0 + * @default false + */ + enforceForOrderingRelations: boolean; + }>, + ] + >; + + /** + * Rule to disallow use of optional chaining in contexts where the `undefined` value is not allowed. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 7.15.0 + * @see https://eslint.org/docs/latest/rules/no-unsafe-optional-chaining + */ + "no-unsafe-optional-chaining": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + disallowArithmeticOperators: boolean; + }>, + ] + >; + + /** + * Rule to disallow unused expressions. + * + * @since 0.1.0 + * @see https://eslint.org/docs/latest/rules/no-unused-expressions + */ + "no-unused-expressions": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowShortCircuit: boolean; + /** + * @default false + */ + allowTernary: boolean; + /** + * @default false + */ + allowTaggedTemplates: boolean; + /** + * @since 7.20.0 + * @default false + */ + enforceForJSX: boolean; + /** + * @default false + */ + ignoreDirectives: boolean; + }>, + ] + >; + + /** + * Rule to disallow unused labels. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 2.0.0-rc.0 + * @see https://eslint.org/docs/latest/rules/no-unused-labels + */ + "no-unused-labels": Linter.RuleEntry<[]>; + + /** + * Rule to disallow unused private class members. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 8.1.0 + * @see https://eslint.org/docs/latest/rules/no-unused-private-class-members + */ + "no-unused-private-class-members": Linter.RuleEntry<[]>; + + /** + * Rule to disallow unused variables. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-unused-vars + */ + "no-unused-vars": Linter.RuleEntry< + [ + | "all" + | "local" + | Partial<{ + /** + * @default 'all' + */ + vars: "all" | "local"; + varsIgnorePattern: string; + /** + * @default 'after-used' + */ + args: "after-used" | "all" | "none"; + /** + * @default false + */ + ignoreRestSiblings: boolean; + argsIgnorePattern: string; + /** + * @default 'all' + */ + caughtErrors: "none" | "all"; + caughtErrorsIgnorePattern: string; + destructuredArrayIgnorePattern: string; + /** + * @default false + */ + ignoreClassWithStaticInitBlock: boolean; + /** + * @default false + */ + ignoreUsingDeclarations: boolean; + /** + * @default false + */ + reportUsedIgnorePattern: boolean; + }>, + ] + >; + + /** + * Rule to disallow the use of variables before they are defined. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/no-use-before-define + */ + "no-use-before-define": Linter.RuleEntry< + [ + | Partial<{ + /** + * @default true + */ + functions: boolean; + /** + * @default true + */ + classes: boolean; + /** + * @default true + */ + variables: boolean; + /** + * @default false + */ + allowNamedExports: boolean; + /** + * @default true + */ + enums: boolean; + /** + * @default true + */ + typedefs: boolean; + /** + * @default true + */ + ignoreTypeReferences: boolean; + }> + | "nofunc", + ] + >; + + /** + * Rule to disallow variable assignments when the value is not used. + * + * @since 9.0.0-alpha.1 + * @see https://eslint.org/docs/latest/rules/no-useless-assignment + */ + "no-useless-assignment": Linter.RuleEntry<[]>; + + /** + * Rule to disallow useless backreferences in regular expressions. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 7.0.0-alpha.0 + * @see https://eslint.org/docs/latest/rules/no-useless-backreference + */ + "no-useless-backreference": Linter.RuleEntry<[]>; + + /** + * Rule to disallow unnecessary calls to `.call()` and `.apply()`. + * + * @since 1.0.0-rc-1 + * @see https://eslint.org/docs/latest/rules/no-useless-call + */ + "no-useless-call": Linter.RuleEntry<[]>; + + /** + * Rule to disallow unnecessary `catch` clauses. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 5.11.0 + * @see https://eslint.org/docs/latest/rules/no-useless-catch + */ + "no-useless-catch": Linter.RuleEntry<[]>; + + /** + * Rule to disallow unnecessary computed property keys in objects and classes. + * + * @since 2.9.0 + * @see https://eslint.org/docs/latest/rules/no-useless-computed-key + */ + "no-useless-computed-key": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + enforceForClassMembers: boolean; + }>, + ] + >; + + /** + * Rule to disallow unnecessary concatenation of literals or template literals. + * + * @since 1.3.0 + * @see https://eslint.org/docs/latest/rules/no-useless-concat + */ + "no-useless-concat": Linter.RuleEntry<[]>; + + /** + * Rule to disallow unnecessary constructors. + * + * @since 2.0.0-beta.1 + * @see https://eslint.org/docs/latest/rules/no-useless-constructor + */ + "no-useless-constructor": Linter.RuleEntry<[]>; + + /** + * Rule to disallow unnecessary escape characters. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 2.5.0 + * @see https://eslint.org/docs/latest/rules/no-useless-escape + */ + "no-useless-escape": Linter.RuleEntry< + [ + Partial<{ + allowRegexCharacters: string[]; + }>, + ] + >; + + /** + * Rule to disallow renaming import, export, and destructured assignments to the same name. + * + * @since 2.11.0 + * @see https://eslint.org/docs/latest/rules/no-useless-rename + */ + "no-useless-rename": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + ignoreImport: boolean; + /** + * @default false + */ + ignoreExport: boolean; + /** + * @default false + */ + ignoreDestructuring: boolean; + }>, + ] + >; + + /** + * Rule to disallow redundant return statements. + * + * @since 3.9.0 + * @see https://eslint.org/docs/latest/rules/no-useless-return + */ + "no-useless-return": Linter.RuleEntry<[]>; + + /** + * Rule to require `let` or `const` instead of `var`. + * + * @since 0.12.0 + * @see https://eslint.org/docs/latest/rules/no-var + */ + "no-var": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `void` operators. + * + * @since 0.8.0 + * @see https://eslint.org/docs/latest/rules/no-void + */ + "no-void": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowAsStatement: boolean; + }>, + ] + >; + + /** + * Rule to disallow specified warning terms in comments. + * + * @since 0.4.4 + * @see https://eslint.org/docs/latest/rules/no-warning-comments + */ + "no-warning-comments": Linter.RuleEntry< + [ + Partial<{ + /** + * @default ["todo", "fixme", "xxx"] + */ + terms: string[]; + /** + * @default 'start' + */ + location: "start" | "anywhere"; + decoration: string[]; + }>, + ] + >; + + /** + * Rule to disallow whitespace before properties. + * + * @since 2.0.0-beta.1 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`no-whitespace-before-property`](https://eslint.style/rules/no-whitespace-before-property) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/no-whitespace-before-property + */ + "no-whitespace-before-property": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `with` statements. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.2 + * @see https://eslint.org/docs/latest/rules/no-with + */ + "no-with": Linter.RuleEntry<[]>; + + /** + * Rule to enforce the location of single-line statements. + * + * @since 3.17.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`nonblock-statement-body-position`](https://eslint.style/rules/nonblock-statement-body-position) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/nonblock-statement-body-position + */ + "nonblock-statement-body-position": Linter.RuleEntry< + [ + "beside" | "below" | "any", + Partial<{ + overrides: Record; + }>, + ] + >; + + /** + * Rule to enforce consistent line breaks after opening and before closing braces. + * + * @since 2.12.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`object-curly-newline`](https://eslint.style/rules/object-curly-newline) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/object-curly-newline + */ + "object-curly-newline": Linter.RuleEntry< + [ + | "always" + | "never" + | Partial<{ + /** + * @default false + */ + multiline: boolean; + minProperties: number; + /** + * @default true + */ + consistent: boolean; + }> + | Partial< + Record< + | "ObjectExpression" + | "ObjectPattern" + | "ImportDeclaration" + | "ExportDeclaration", + | "always" + | "never" + | Partial<{ + /** + * @default false + */ + multiline: boolean; + minProperties: number; + /** + * @default true + */ + consistent: boolean; + }> + > + >, + ] + >; + + /** + * Rule to enforce consistent spacing inside braces. + * + * @since 0.22.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`object-curly-spacing`](https://eslint.style/rules/object-curly-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/object-curly-spacing + */ + "object-curly-spacing": + | Linter.RuleEntry< + [ + "never", + { + /** + * @default false + */ + arraysInObjects: boolean; + /** + * @default false + */ + objectsInObjects: boolean; + }, + ] + > + | Linter.RuleEntry< + [ + "always", + { + /** + * @default true + */ + arraysInObjects: boolean; + /** + * @default true + */ + objectsInObjects: boolean; + }, + ] + >; + + /** + * Rule to enforce placing object properties on separate lines. + * + * @since 2.10.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`object-property-newline`](https://eslint.style/rules/object-property-newline) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/object-property-newline + */ + "object-property-newline": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowAllPropertiesOnSameLine: boolean; + }>, + ] + >; + + /** + * Rule to require or disallow method and property shorthand syntax for object literals. + * + * @since 0.20.0 + * @see https://eslint.org/docs/latest/rules/object-shorthand + */ + "object-shorthand": + | Linter.RuleEntry< + [ + "always" | "methods", + Partial<{ + /** + * @default false + */ + avoidQuotes: boolean; + /** + * @default false + */ + ignoreConstructors: boolean; + /** + * @since 8.22.0 + */ + methodsIgnorePattern: string; + /** + * @default false + */ + avoidExplicitReturnArrows: boolean; + }>, + ] + > + | Linter.RuleEntry< + [ + "properties", + Partial<{ + /** + * @default false + */ + avoidQuotes: boolean; + }>, + ] + > + | Linter.RuleEntry<["never" | "consistent" | "consistent-as-needed"]>; + + /** + * Rule to enforce variables to be declared either together or separately in functions. + * + * @since 0.0.9 + * @see https://eslint.org/docs/latest/rules/one-var + */ + "one-var": Linter.RuleEntry< + [ + | "always" + | "never" + | "consecutive" + | Partial< + { + /** + * @default false + */ + separateRequires: boolean; + } & Record< + "var" | "let" | "const" | "using" | "awaitUsing", + "always" | "never" | "consecutive" + > + > + | Partial< + Record< + "initialized" | "uninitialized", + "always" | "never" | "consecutive" + > + >, + ] + >; + + /** + * Rule to require or disallow newlines around variable declarations. + * + * @since 2.0.0-beta.3 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`one-var-declaration-per-line`](https://eslint.style/rules/one-var-declaration-per-line) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/one-var-declaration-per-line + */ + "one-var-declaration-per-line": Linter.RuleEntry< + ["initializations" | "always"] + >; + + /** + * Rule to require or disallow assignment operator shorthand where possible. + * + * @since 0.10.0 + * @see https://eslint.org/docs/latest/rules/operator-assignment + */ + "operator-assignment": Linter.RuleEntry<["always" | "never"]>; + + /** + * Rule to enforce consistent linebreak style for operators. + * + * @since 0.19.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`operator-linebreak`](https://eslint.style/rules/operator-linebreak) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/operator-linebreak + */ + "operator-linebreak": Linter.RuleEntry< + [ + "after" | "before" | "none", + Partial<{ + overrides: Record; + }>, + ] + >; + + /** + * Rule to require or disallow padding within blocks. + * + * @since 0.9.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`padded-blocks`](https://eslint.style/rules/padded-blocks) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/padded-blocks + */ + "padded-blocks": Linter.RuleEntry< + [ + ( + | "always" + | "never" + | Partial< + Record< + "blocks" | "classes" | "switches", + "always" | "never" + > + > + ), + { + /** + * @default false + */ + allowSingleLineBlocks: boolean; + }, + ] + >; + + /** + * Rule to require or disallow padding lines between statements. + * + * @since 4.0.0-beta.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`padding-line-between-statements`](https://eslint.style/rules/padding-line-between-statements) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/padding-line-between-statements + */ + "padding-line-between-statements": Linter.RuleEntry< + [ + ...Array< + { + blankLine: "any" | "never" | "always"; + } & Record<"prev" | "next", string | string[]> + >, + ] + >; + + /** + * Rule to require using arrow functions for callbacks. + * + * @since 1.2.0 + * @see https://eslint.org/docs/latest/rules/prefer-arrow-callback + */ + "prefer-arrow-callback": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowNamedFunctions: boolean; + /** + * @default true + */ + allowUnboundThis: boolean; + }>, + ] + >; + + /** + * Rule to require `const` declarations for variables that are never reassigned after declared. + * + * @since 0.23.0 + * @see https://eslint.org/docs/latest/rules/prefer-const + */ + "prefer-const": Linter.RuleEntry< + [ + Partial<{ + /** + * @default 'any' + */ + destructuring: "any" | "all"; + /** + * @default false + */ + ignoreReadBeforeAssign: boolean; + }>, + ] + >; + + /** + * Rule to require destructuring from arrays and/or objects. + * + * @since 3.13.0 + * @see https://eslint.org/docs/latest/rules/prefer-destructuring + */ + "prefer-destructuring": Linter.RuleEntry< + [ + Partial< + | { + VariableDeclarator: Partial<{ + array: boolean; + object: boolean; + }>; + AssignmentExpression: Partial<{ + array: boolean; + object: boolean; + }>; + } + | { + array: boolean; + object: boolean; + } + >, + Partial<{ + enforceForRenamedProperties: boolean; + }>, + ] + >; + + /** + * Rule to disallow the use of `Math.pow` in favor of the `**` operator. + * + * @since 6.7.0 + * @see https://eslint.org/docs/latest/rules/prefer-exponentiation-operator + */ + "prefer-exponentiation-operator": Linter.RuleEntry<[]>; + + /** + * Rule to enforce using named capture group in regular expression. + * + * @since 5.15.0 + * @see https://eslint.org/docs/latest/rules/prefer-named-capture-group + */ + "prefer-named-capture-group": Linter.RuleEntry<[]>; + + /** + * Rule to disallow `parseInt()` and `Number.parseInt()` in favor of binary, octal, and hexadecimal literals. + * + * @since 3.5.0 + * @see https://eslint.org/docs/latest/rules/prefer-numeric-literals + */ + "prefer-numeric-literals": Linter.RuleEntry<[]>; + + /** + * Rule to disallow use of `Object.prototype.hasOwnProperty.call()` and prefer use of `Object.hasOwn()`. + * + * @since 8.5.0 + * @see https://eslint.org/docs/latest/rules/prefer-object-has-own + */ + "prefer-object-has-own": Linter.RuleEntry<[]>; + + /** + * Rule to disallow using `Object.assign` with an object literal as the first argument and prefer the use of object spread instead. + * + * @since 5.0.0-alpha.3 + * @see https://eslint.org/docs/latest/rules/prefer-object-spread + */ + "prefer-object-spread": Linter.RuleEntry<[]>; + + /** + * Rule to require using Error objects as Promise rejection reasons. + * + * @since 3.14.0 + * @see https://eslint.org/docs/latest/rules/prefer-promise-reject-errors + */ + "prefer-promise-reject-errors": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + allowEmptyReject: boolean; + }>, + ] + >; + + /** + * Rule to require `Reflect` methods where applicable. + * + * @since 1.0.0-rc-2 + * @deprecated since 3.9.0. + * The original intention of this rule was misguided. + * @see https://eslint.org/docs/latest/rules/prefer-reflect + */ + "prefer-reflect": Linter.RuleEntry< + [ + Partial<{ + exceptions: string[]; + }>, + ] + >; + + /** + * Rule to disallow use of the `RegExp` constructor in favor of regular expression literals. + * + * @since 6.4.0 + * @see https://eslint.org/docs/latest/rules/prefer-regex-literals + */ + "prefer-regex-literals": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + disallowRedundantWrapping: boolean; + }>, + ] + >; + + /** + * Rule to require rest parameters instead of `arguments`. + * + * @since 2.0.0-alpha-1 + * @see https://eslint.org/docs/latest/rules/prefer-rest-params + */ + "prefer-rest-params": Linter.RuleEntry<[]>; + + /** + * Rule to require spread operators instead of `.apply()`. + * + * @since 1.0.0-rc-1 + * @see https://eslint.org/docs/latest/rules/prefer-spread + */ + "prefer-spread": Linter.RuleEntry<[]>; + + /** + * Rule to require template literals instead of string concatenation. + * + * @since 1.2.0 + * @see https://eslint.org/docs/latest/rules/prefer-template + */ + "prefer-template": Linter.RuleEntry<[]>; + + /** + * Rule to disallow losing originally caught error when re-throwing custom errors. + * + * @since 9.35.0 + * @see https://eslint.org/docs/latest/rules/preserve-caught-error + */ + "preserve-caught-error": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + requireCatchParameter: boolean; + }>, + ] + >; + + /** + * Rule to require quotes around object literal property names. + * + * @since 0.0.6 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`quote-props`](https://eslint.style/rules/quote-props) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/quote-props + */ + "quote-props": + | Linter.RuleEntry<["always" | "consistent"]> + | Linter.RuleEntry< + [ + "as-needed", + Partial<{ + /** + * @default false + */ + keywords: boolean; + /** + * @default true + */ + unnecessary: boolean; + /** + * @default false + */ + numbers: boolean; + }>, + ] + > + | Linter.RuleEntry< + [ + "consistent-as-needed", + Partial<{ + /** + * @default false + */ + keywords: boolean; + }>, + ] + >; + + /** + * Rule to enforce the consistent use of either backticks, double, or single quotes. + * + * @since 0.0.7 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`quotes`](https://eslint.style/rules/quotes) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/quotes + */ + quotes: Linter.RuleEntry< + [ + "double" | "single" | "backtick", + Partial<{ + /** + * @default false + */ + avoidEscape: boolean; + /** + * @default false + */ + allowTemplateLiterals: boolean; + }>, + ] + >; + + /** + * Rule to enforce the consistent use of the radix argument when using `parseInt()`. + * + * @since 0.0.7 + * @see https://eslint.org/docs/latest/rules/radix + */ + radix: Linter.RuleEntry<["always" | "as-needed"]>; + + /** + * Rule to disallow assignments that can lead to race conditions due to usage of `await` or `yield`. + * + * @since 5.3.0 + * @see https://eslint.org/docs/latest/rules/require-atomic-updates + */ + "require-atomic-updates": Linter.RuleEntry< + [ + Partial<{ + /** + * @since 8.3.0 + * @default false + */ + allowProperties: boolean; + }>, + ] + >; + + /** + * Rule to disallow async functions which have no `await` expression. + * + * @since 3.11.0 + * @see https://eslint.org/docs/latest/rules/require-await + */ + "require-await": Linter.RuleEntry<[]>; + + /** + * Rule to enforce the use of `u` or `v` flag on regular expressions. + * + * @since 5.3.0 + * @see https://eslint.org/docs/latest/rules/require-unicode-regexp + */ + "require-unicode-regexp": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + requireFlag: "u" | "v"; + }>, + ] + >; + + /** + * Rule to require generator functions to contain `yield`. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 1.0.0-rc-1 + * @see https://eslint.org/docs/latest/rules/require-yield + */ + "require-yield": Linter.RuleEntry<[]>; + + /** + * Rule to enforce spacing between rest and spread operators and their expressions. + * + * @since 2.12.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`rest-spread-spacing`](https://eslint.style/rules/rest-spread-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/rest-spread-spacing + */ + "rest-spread-spacing": Linter.RuleEntry<["never" | "always"]>; + + /** + * Rule to require or disallow semicolons instead of ASI. + * + * @since 0.0.6 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`semi`](https://eslint.style/rules/semi) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/semi + */ + semi: + | Linter.RuleEntry< + [ + "always", + Partial<{ + /** + * @default false + */ + omitLastInOneLineBlock: boolean; + }>, + ] + > + | Linter.RuleEntry< + [ + "never", + Partial<{ + /** + * @default 'any' + */ + beforeStatementContinuationChars: + | "any" + | "always" + | "never"; + }>, + ] + >; + + /** + * Rule to enforce consistent spacing before and after semicolons. + * + * @since 0.16.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`semi-spacing`](https://eslint.style/rules/semi-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/semi-spacing + */ + "semi-spacing": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + before: boolean; + /** + * @default true + */ + after: boolean; + }>, + ] + >; + + /** + * Rule to enforce location of semicolons. + * + * @since 4.0.0-beta.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`semi-style`](https://eslint.style/rules/semi-style) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/semi-style + */ + "semi-style": Linter.RuleEntry<["last" | "first"]>; + + /** + * Rule to enforce sorted `import` declarations within modules. + * + * @since 2.0.0-beta.1 + * @see https://eslint.org/docs/latest/rules/sort-imports + */ + "sort-imports": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + ignoreCase: boolean; + /** + * @default false + */ + ignoreDeclarationSort: boolean; + /** + * @default false + */ + ignoreMemberSort: boolean; + /** + * @default ['none', 'all', 'multiple', 'single'] + */ + memberSyntaxSortOrder: Array< + "none" | "all" | "multiple" | "single" + >; + /** + * @default false + */ + allowSeparatedGroups: boolean; + }>, + ] + >; + + /** + * Rule to require object keys to be sorted. + * + * @since 3.3.0 + * @see https://eslint.org/docs/latest/rules/sort-keys + */ + "sort-keys": Linter.RuleEntry< + [ + "asc" | "desc", + Partial<{ + /** + * @default true + */ + caseSensitive: boolean; + /** + * @default 2 + */ + minKeys: number; + /** + * @default false + */ + natural: boolean; + /** + * @default false + */ + allowLineSeparatedGroups: boolean; + /** + * @default false + */ + ignoreComputedKeys: boolean; + }>, + ] + >; + + /** + * Rule to require variables within the same declaration block to be sorted. + * + * @since 0.2.0 + * @see https://eslint.org/docs/latest/rules/sort-vars + */ + "sort-vars": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + ignoreCase: boolean; + }>, + ] + >; + + /** + * Rule to enforce consistent spacing before blocks. + * + * @since 0.9.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`space-before-blocks`](https://eslint.style/rules/space-before-blocks) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/space-before-blocks + */ + "space-before-blocks": Linter.RuleEntry< + [ + | "always" + | "never" + | Partial< + Record< + "functions" | "keywords" | "classes", + "always" | "never" | "off" + > + >, + ] + >; + + /** + * Rule to enforce consistent spacing before `function` definition opening parenthesis. + * + * @since 0.18.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`space-before-function-paren`](https://eslint.style/rules/space-before-function-paren) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/space-before-function-paren + */ + "space-before-function-paren": Linter.RuleEntry< + [ + | "always" + | "never" + | Partial< + Record< + "anonymous" | "named" | "asyncArrow", + "always" | "never" | "ignore" + > + >, + ] + >; + + /** + * Rule to enforce consistent spacing inside parentheses. + * + * @since 0.8.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`space-in-parens`](https://eslint.style/rules/space-in-parens) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/space-in-parens + */ + "space-in-parens": Linter.RuleEntry< + [ + "never" | "always", + Partial<{ + exceptions: string[]; + }>, + ] + >; + + /** + * Rule to require spacing around infix operators. + * + * @since 0.2.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`space-infix-ops`](https://eslint.style/rules/space-infix-ops) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/space-infix-ops + */ + "space-infix-ops": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + int32Hint: boolean; + }>, + ] + >; + + /** + * Rule to enforce consistent spacing before or after unary operators. + * + * @since 0.10.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`space-unary-ops`](https://eslint.style/rules/space-unary-ops) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/space-unary-ops + */ + "space-unary-ops": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + words: boolean; + /** + * @default false + */ + nonwords: boolean; + overrides: Record; + }>, + ] + >; + + /** + * Rule to enforce consistent spacing after the `//` or `/*` in a comment. + * + * @since 0.23.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`spaced-comment`](https://eslint.style/rules/spaced-comment) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/spaced-comment + */ + "spaced-comment": Linter.RuleEntry< + [ + "always" | "never", + { + exceptions: string[]; + markers: string[]; + line: { + exceptions: string[]; + markers: string[]; + }; + block: { + exceptions: string[]; + markers: string[]; + /** + * @default false + */ + balanced: boolean; + }; + }, + ] + >; + + /** + * Rule to require or disallow strict mode directives. + * + * @since 0.1.0 + * @see https://eslint.org/docs/latest/rules/strict + */ + strict: Linter.RuleEntry<["safe" | "global" | "function" | "never"]>; + + /** + * Rule to enforce spacing around colons of switch statements. + * + * @since 4.0.0-beta.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`switch-colon-spacing`](https://eslint.style/rules/switch-colon-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/switch-colon-spacing + */ + "switch-colon-spacing": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + before: boolean; + /** + * @default true + */ + after: boolean; + }>, + ] + >; + + /** + * Rule to require symbol descriptions. + * + * @since 3.4.0 + * @see https://eslint.org/docs/latest/rules/symbol-description + */ + "symbol-description": Linter.RuleEntry<[]>; + + /** + * Rule to require or disallow spacing around embedded expressions of template strings. + * + * @since 2.0.0-rc.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`template-curly-spacing`](https://eslint.style/rules/template-curly-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/template-curly-spacing + */ + "template-curly-spacing": Linter.RuleEntry<["never" | "always"]>; + + /** + * Rule to require or disallow spacing between template tags and their literals. + * + * @since 3.15.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`template-tag-spacing`](https://eslint.style/rules/template-tag-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/template-tag-spacing + */ + "template-tag-spacing": Linter.RuleEntry<["never" | "always"]>; + + /** + * Rule to require or disallow Unicode byte order mark (BOM). + * + * @since 2.11.0 + * @see https://eslint.org/docs/latest/rules/unicode-bom + */ + "unicode-bom": Linter.RuleEntry<["never" | "always"]>; + + /** + * Rule to require calls to `isNaN()` when checking for `NaN`. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.0.6 + * @see https://eslint.org/docs/latest/rules/use-isnan + */ + "use-isnan": Linter.RuleEntry< + [ + Partial<{ + /** + * @default true + */ + enforceForSwitchCase: boolean; + /** + * @default false + */ + enforceForIndexOf: boolean; + }>, + ] + >; + + /** + * Rule to enforce comparing `typeof` expressions against valid strings. + * + * @remarks + * Recommended by ESLint, the rule was enabled in `eslint:recommended`. + * + * @since 0.5.0 + * @see https://eslint.org/docs/latest/rules/valid-typeof + */ + "valid-typeof": Linter.RuleEntry< + [ + Partial<{ + /** + * @default false + */ + requireStringLiterals: boolean; + }>, + ] + >; + + /** + * Rule to require `var` declarations be placed at the top of their containing scope. + * + * @since 0.8.0 + * @see https://eslint.org/docs/latest/rules/vars-on-top + */ + "vars-on-top": Linter.RuleEntry<[]>; + + /** + * Rule to require parentheses around immediate `function` invocations. + * + * @since 0.0.9 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`wrap-iife`](https://eslint.style/rules/wrap-iife) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/wrap-iife + */ + "wrap-iife": Linter.RuleEntry< + [ + "outside" | "inside" | "any", + Partial<{ + /** + * @default false + */ + functionPrototypeMethods: boolean; + }>, + ] + >; + + /** + * Rule to require parenthesis around regex literals. + * + * @since 0.1.0 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`wrap-regex`](https://eslint.style/rules/wrap-regex) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/wrap-regex + */ + "wrap-regex": Linter.RuleEntry<[]>; + + /** + * Rule to require or disallow spacing around the `*` in `yield*` expressions. + * + * @since 2.0.0-alpha-1 + * @deprecated since 8.53.0. + * Formatting rules are being moved out of ESLint core. + * Please, use [`yield-star-spacing`](https://eslint.style/rules/yield-star-spacing) in [`@stylistic/eslint-plugin`](https://eslint.style). + * @see https://eslint.org/docs/latest/rules/yield-star-spacing + */ + "yield-star-spacing": Linter.RuleEntry< + [ + | Partial<{ + before: boolean; + after: boolean; + }> + | "before" + | "after" + | "both" + | "neither", + ] + >; + + /** + * Rule to require or disallow "Yoda" conditions. + * + * @since 0.7.1 + * @see https://eslint.org/docs/latest/rules/yoda + */ + yoda: + | Linter.RuleEntry< + [ + "never", + Partial<{ + exceptRange: boolean; + onlyEquality: boolean; + }>, + ] + > + | Linter.RuleEntry<["always"]>; +} diff --git a/module/node_modules/eslint/lib/types/universal.d.ts b/module/node_modules/eslint/lib/types/universal.d.ts new file mode 100644 index 000000000..df4fdecda --- /dev/null +++ b/module/node_modules/eslint/lib/types/universal.d.ts @@ -0,0 +1,6 @@ +/** + * @fileoverview typings for "eslint/universal" module + * @author 唯然 + */ + +export { Linter } from "./index"; diff --git a/module/node_modules/eslint/lib/types/use-at-your-own-risk.d.ts b/module/node_modules/eslint/lib/types/use-at-your-own-risk.d.ts new file mode 100644 index 000000000..f97f4f341 --- /dev/null +++ b/module/node_modules/eslint/lib/types/use-at-your-own-risk.d.ts @@ -0,0 +1,87 @@ +/** + * @fileoverview This file contains the types for the use-at-your-own-risk + * entrypoint. It was initially extracted from the `@types/eslint` package. + */ + +/* + * MIT License + * Copyright (c) Microsoft Corporation. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE + */ + +import { ESLint, Rule } from "./index.js"; + +/** @deprecated */ +export const builtinRules: Map; + +/** @deprecated */ +export class FileEnumerator { + constructor(params?: { + cwd?: string; + configArrayFactory?: any; + extensions?: any; + globInputPaths?: boolean; + errorOnUnmatchedPattern?: boolean; + ignore?: boolean; + }); + isTargetPath(filePath: string, providedConfig?: any): boolean; + iterateFiles( + patternOrPatterns: string | string[], + ): IterableIterator<{ config: any; filePath: string; ignored: boolean }>; +} + +export { /** @deprecated */ ESLint as FlatESLint }; + +/** @deprecated */ +export class LegacyESLint { + static configType: "eslintrc"; + + static readonly version: string; + + static outputFixes(results: ESLint.LintResult[]): Promise; + + static getErrorResults(results: ESLint.LintResult[]): ESLint.LintResult[]; + + constructor(options?: ESLint.LegacyOptions); + + lintFiles(patterns: string | string[]): Promise; + + lintText( + code: string, + options?: { + filePath?: string | undefined; + warnIgnored?: boolean | undefined; + }, + ): Promise; + + getRulesMetaForResults( + results: ESLint.LintResult[], + ): ESLint.LintResultData["rulesMeta"]; + + hasFlag(flag: string): false; + + calculateConfigForFile(filePath: string): Promise; + + isPathIgnored(filePath: string): Promise; + + loadFormatter(nameOrPath?: string): Promise; +} + +/** @deprecated */ +export function shouldUseFlatConfig(): Promise; diff --git a/module/node_modules/eslint/lib/universal.js b/module/node_modules/eslint/lib/universal.js new file mode 100644 index 000000000..51bac5845 --- /dev/null +++ b/module/node_modules/eslint/lib/universal.js @@ -0,0 +1,10 @@ +/** + * @fileoverview exports for browsers + * @author 唯然 + */ + +"use strict"; + +const { Linter } = require("./linter/linter"); + +module.exports = { Linter }; diff --git a/module/node_modules/eslint/lib/unsupported-api.js b/module/node_modules/eslint/lib/unsupported-api.js new file mode 100644 index 000000000..2287728e1 --- /dev/null +++ b/module/node_modules/eslint/lib/unsupported-api.js @@ -0,0 +1,29 @@ +/** + * @fileoverview APIs that are not officially supported by ESLint. + * These APIs may change or be removed at any time. Use at your + * own risk. + * @author Nicholas C. Zakas + */ + +"use strict"; + +//----------------------------------------------------------------------------- +// Requirements +//----------------------------------------------------------------------------- + +const { FileEnumerator } = require("./cli-engine/file-enumerator"); +const { ESLint: FlatESLint, shouldUseFlatConfig } = require("./eslint/eslint"); +const { LegacyESLint } = require("./eslint/legacy-eslint"); +const builtinRules = require("./rules"); + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +module.exports = { + builtinRules, + FlatESLint, + shouldUseFlatConfig, + FileEnumerator, + LegacyESLint, +}; diff --git a/module/node_modules/eslint/messages/all-files-ignored.js b/module/node_modules/eslint/messages/all-files-ignored.js new file mode 100644 index 000000000..3e795c9a4 --- /dev/null +++ b/module/node_modules/eslint/messages/all-files-ignored.js @@ -0,0 +1,16 @@ +"use strict"; + +module.exports = function (it) { + const { pattern } = it; + + return ` +You are linting "${pattern}", but all of the files matching the glob pattern "${pattern}" are ignored. + +If you don't want to lint these files, remove the pattern "${pattern}" from the list of arguments passed to ESLint. + +If you do want to lint these files, try the following solutions: + +* Check your .eslintignore file, or the eslintIgnore property in package.json, to ensure that the files are not configured to be ignored. +* Explicitly list the files from this glob that you'd like to lint on the command-line, rather than providing a glob as an argument. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/all-matched-files-ignored.js b/module/node_modules/eslint/messages/all-matched-files-ignored.js new file mode 100644 index 000000000..2621343bf --- /dev/null +++ b/module/node_modules/eslint/messages/all-matched-files-ignored.js @@ -0,0 +1,21 @@ +"use strict"; + +module.exports = function (it) { + const { pattern } = it; + + return ` +You are linting "${pattern}", but all of the files matching the glob pattern "${pattern}" are ignored. + +If you don't want to lint these files, remove the pattern "${pattern}" from the list of arguments passed to ESLint. + +If you do want to lint these files, explicitly list one or more of the files from this glob that you'd like to lint to see more details about why they are ignored. + + * If the file is ignored because of a matching ignore pattern, check global ignores in your config file. + https://eslint.org/docs/latest/use/configure/ignore + + * If the file is ignored because no matching configuration was supplied, check file patterns in your config file. + https://eslint.org/docs/latest/use/configure/configuration-files#specifying-files-with-arbitrary-extensions + + * If the file is ignored because it is located outside of the base path, change the location of your config file to be in a parent directory. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/config-file-missing.js b/module/node_modules/eslint/messages/config-file-missing.js new file mode 100644 index 000000000..c4f8ecdbf --- /dev/null +++ b/module/node_modules/eslint/messages/config-file-missing.js @@ -0,0 +1,16 @@ +"use strict"; + +module.exports = function () { + return ` +ESLint couldn't find an eslint.config.(js|mjs|cjs) file. + +From ESLint v9.0.0, the default configuration file is now eslint.config.js. +If you are using a .eslintrc.* file, please follow the migration guide +to update your configuration file to the new format: + +https://eslint.org/docs/latest/use/configure/migration-guide + +If you still have problems after following the migration guide, please stop by +https://eslint.org/chat/help to chat with the team. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/config-plugin-missing.js b/module/node_modules/eslint/messages/config-plugin-missing.js new file mode 100644 index 000000000..207367491 --- /dev/null +++ b/module/node_modules/eslint/messages/config-plugin-missing.js @@ -0,0 +1,14 @@ +"use strict"; + +module.exports = function (it) { + const { pluginName, ruleId } = it; + + return ` +A configuration object specifies rule "${ruleId}", but could not find plugin "${pluginName}". + +Common causes of this problem include: + +1. The "${pluginName}" plugin is not defined in your configuration file. +2. The "${pluginName}" plugin is not defined within the same configuration object in which the "${ruleId}" rule is applied. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/config-serialize-function.js b/module/node_modules/eslint/messages/config-serialize-function.js new file mode 100644 index 000000000..4300e47e4 --- /dev/null +++ b/module/node_modules/eslint/messages/config-serialize-function.js @@ -0,0 +1,30 @@ +"use strict"; + +module.exports = function ({ key, objectKey }) { + // special case for parsers + const isParser = + objectKey === "parser" && (key === "parse" || key === "parseForESLint"); + const parserMessage = ` + This typically happens when you're using a custom parser that does not +provide a "meta" property, which is how ESLint determines the serialized +representation. Please open an issue with the maintainer of the custom parser +and share this link: + +https://eslint.org/docs/latest/extend/custom-parsers#meta-data-in-custom-parsers +`.trim(); + + return ` +The requested operation requires ESLint to serialize configuration data, +but the configuration key "${objectKey}.${key}" contains a function value, +which cannot be serialized. + +${ + isParser + ? parserMessage + : "Please double-check your configuration for errors." +} + +If you still have problems, please stop by https://eslint.org/chat/help to chat +with the team. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/eslintrc-incompat.js b/module/node_modules/eslint/messages/eslintrc-incompat.js new file mode 100644 index 000000000..27fe8c9f4 --- /dev/null +++ b/module/node_modules/eslint/messages/eslintrc-incompat.js @@ -0,0 +1,117 @@ +"use strict"; + +/* eslint consistent-return: 0 -- no default case */ + +const messages = { + env: ` +A config object is using the "env" key, which is not supported in flat config system. + +Flat config uses "languageOptions.globals" to define global variables for your files. + +Please see the following page for information on how to convert your config object into the correct format: +https://eslint.org/docs/latest/use/configure/migration-guide#configuring-language-options + +If you're not using "env" directly (it may be coming from a plugin), please see the following: +https://eslint.org/docs/latest/use/configure/migration-guide#using-eslintrc-configs-in-flat-config +`, + + extends: ` +A config object is using the "extends" key, which is not supported in flat config system. + +Instead of "extends", you can include config objects that you'd like to extend from directly in the flat config array. + +If you're using "extends" in your config file, please see the following: +https://eslint.org/docs/latest/use/configure/migration-guide#predefined-and-shareable-configs + +If you're not using "extends" directly (it may be coming from a plugin), please see the following: +https://eslint.org/docs/latest/use/configure/migration-guide#using-eslintrc-configs-in-flat-config +`, + + globals: ` +A config object is using the "globals" key, which is not supported in flat config system. + +Flat config uses "languageOptions.globals" to define global variables for your files. + +Please see the following page for information on how to convert your config object into the correct format: +https://eslint.org/docs/latest/use/configure/migration-guide#configuring-language-options + +If you're not using "globals" directly (it may be coming from a plugin), please see the following: +https://eslint.org/docs/latest/use/configure/migration-guide#using-eslintrc-configs-in-flat-config +`, + + ignorePatterns: ` +A config object is using the "ignorePatterns" key, which is not supported in flat config system. + +Flat config uses "ignores" to specify files to ignore. + +Please see the following page for information on how to convert your config object into the correct format: +https://eslint.org/docs/latest/use/configure/migration-guide#ignoring-files + +If you're not using "ignorePatterns" directly (it may be coming from a plugin), please see the following: +https://eslint.org/docs/latest/use/configure/migration-guide#using-eslintrc-configs-in-flat-config +`, + + noInlineConfig: ` +A config object is using the "noInlineConfig" key, which is not supported in flat config system. + +Flat config uses "linterOptions.noInlineConfig" to specify files to ignore. + +Please see the following page for information on how to convert your config object into the correct format: +https://eslint.org/docs/latest/use/configure/migration-guide#linter-options +`, + + overrides: ` +A config object is using the "overrides" key, which is not supported in flat config system. + +Flat config is an array that acts like the eslintrc "overrides" array. + +Please see the following page for information on how to convert your config object into the correct format: +https://eslint.org/docs/latest/use/configure/migration-guide#glob-based-configs + +If you're not using "overrides" directly (it may be coming from a plugin), please see the following: +https://eslint.org/docs/latest/use/configure/migration-guide#using-eslintrc-configs-in-flat-config +`, + + parser: ` +A config object is using the "parser" key, which is not supported in flat config system. + +Flat config uses "languageOptions.parser" to override the default parser. + +Please see the following page for information on how to convert your config object into the correct format: +https://eslint.org/docs/latest/use/configure/migration-guide#custom-parsers + +If you're not using "parser" directly (it may be coming from a plugin), please see the following: +https://eslint.org/docs/latest/use/configure/migration-guide#using-eslintrc-configs-in-flat-config +`, + + parserOptions: ` +A config object is using the "parserOptions" key, which is not supported in flat config system. + +Flat config uses "languageOptions.parserOptions" to specify parser options. + +Please see the following page for information on how to convert your config object into the correct format: +https://eslint.org/docs/latest/use/configure/migration-guide#configuring-language-options + +If you're not using "parserOptions" directly (it may be coming from a plugin), please see the following: +https://eslint.org/docs/latest/use/configure/migration-guide#using-eslintrc-configs-in-flat-config +`, + + reportUnusedDisableDirectives: ` +A config object is using the "reportUnusedDisableDirectives" key, which is not supported in flat config system. + +Flat config uses "linterOptions.reportUnusedDisableDirectives" to specify files to ignore. + +Please see the following page for information on how to convert your config object into the correct format: +https://eslint.org/docs/latest/use/configure/migration-guide#linter-options +`, + + root: ` +A config object is using the "root" key, which is not supported in flat config system. + +Flat configs always act as if they are the root config file, so this key can be safely removed. +`, +}; + +module.exports = function ({ key }) { + return messages[key].trim(); +}; diff --git a/module/node_modules/eslint/messages/eslintrc-plugins.js b/module/node_modules/eslint/messages/eslintrc-plugins.js new file mode 100644 index 000000000..68cee2099 --- /dev/null +++ b/module/node_modules/eslint/messages/eslintrc-plugins.js @@ -0,0 +1,27 @@ +"use strict"; + +module.exports = function ({ plugins }) { + const isArrayOfStrings = typeof plugins[0] === "string"; + + return ` +A config object has a "plugins" key defined as an array${isArrayOfStrings ? " of strings" : ""}. It looks something like this: + + { + "plugins": ${JSON.stringify(plugins)} + } + +Flat config requires "plugins" to be an object, like this: + + { + plugins: { + ${isArrayOfStrings && plugins[0] ? plugins[0] : "namespace"}: pluginObject + } + } + +Please see the following page for information on how to convert your config object into the correct format: +https://eslint.org/docs/latest/use/configure/migration-guide#importing-plugins-and-custom-parsers + +If you're using a shareable config that you cannot rewrite in flat config format, then use the compatibility utility: +https://eslint.org/docs/latest/use/configure/migration-guide#using-eslintrc-configs-in-flat-config +`; +}; diff --git a/module/node_modules/eslint/messages/extend-config-missing.js b/module/node_modules/eslint/messages/extend-config-missing.js new file mode 100644 index 000000000..32e41e960 --- /dev/null +++ b/module/node_modules/eslint/messages/extend-config-missing.js @@ -0,0 +1,13 @@ +"use strict"; + +module.exports = function (it) { + const { configName, importerName } = it; + + return ` +ESLint couldn't find the config "${configName}" to extend from. Please check that the name of the config is correct. + +The config "${configName}" was referenced from the config file in "${importerName}". + +If you still have problems, please stop by https://eslint.org/chat/help to chat with the team. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/failed-to-read-json.js b/module/node_modules/eslint/messages/failed-to-read-json.js new file mode 100644 index 000000000..3244e8428 --- /dev/null +++ b/module/node_modules/eslint/messages/failed-to-read-json.js @@ -0,0 +1,11 @@ +"use strict"; + +module.exports = function (it) { + const { path, message } = it; + + return ` +Failed to read JSON file at ${path}: + +${message} +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/file-not-found.js b/module/node_modules/eslint/messages/file-not-found.js new file mode 100644 index 000000000..50e483bc1 --- /dev/null +++ b/module/node_modules/eslint/messages/file-not-found.js @@ -0,0 +1,10 @@ +"use strict"; + +module.exports = function (it) { + const { pattern, globDisabled } = it; + + return ` +No files matching the pattern "${pattern}"${globDisabled ? " (with disabling globs)" : ""} were found. +Please check for typing mistakes in the pattern. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/invalid-rule-options.js b/module/node_modules/eslint/messages/invalid-rule-options.js new file mode 100644 index 000000000..05354cb48 --- /dev/null +++ b/module/node_modules/eslint/messages/invalid-rule-options.js @@ -0,0 +1,17 @@ +"use strict"; + +const { stringifyValueForError } = require("./shared"); + +module.exports = function ({ ruleId, value }) { + return ` +Configuration for rule "${ruleId}" is invalid. Each rule must have a severity ("off", 0, "warn", 1, "error", or 2) and may be followed by additional options for the rule. + +You passed '${stringifyValueForError(value, 4)}', which doesn't contain a valid severity. + +If you're attempting to configure rule options, perhaps you meant: + + "${ruleId}": ["error", ${stringifyValueForError(value, 8)}] + +See https://eslint.org/docs/latest/use/configure/rules#using-configuration-files for configuring rules. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/invalid-rule-severity.js b/module/node_modules/eslint/messages/invalid-rule-severity.js new file mode 100644 index 000000000..17e9b5d46 --- /dev/null +++ b/module/node_modules/eslint/messages/invalid-rule-severity.js @@ -0,0 +1,13 @@ +"use strict"; + +const { stringifyValueForError } = require("./shared"); + +module.exports = function ({ ruleId, value }) { + return ` +Configuration for rule "${ruleId}" is invalid. Expected severity of "off", 0, "warn", 1, "error", or 2. + +You passed '${stringifyValueForError(value, 4)}'. + +See https://eslint.org/docs/latest/use/configure/rules#using-configuration-files for configuring rules. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/no-config-found.js b/module/node_modules/eslint/messages/no-config-found.js new file mode 100644 index 000000000..4421206df --- /dev/null +++ b/module/node_modules/eslint/messages/no-config-found.js @@ -0,0 +1,15 @@ +"use strict"; + +module.exports = function (it) { + const { directoryPath } = it; + + return ` +ESLint couldn't find a configuration file. To set up a configuration file for this project, please run: + + npm init @eslint/config@latest + +ESLint looked for configuration files in ${directoryPath} and its ancestors. If it found none, it then looked in your home directory. + +If you think you already have a configuration file or if you need more help, please stop by the ESLint Discord server: https://eslint.org/chat +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/plugin-conflict.js b/module/node_modules/eslint/messages/plugin-conflict.js new file mode 100644 index 000000000..d90df0cae --- /dev/null +++ b/module/node_modules/eslint/messages/plugin-conflict.js @@ -0,0 +1,22 @@ +"use strict"; + +module.exports = function (it) { + const { pluginId, plugins } = it; + + let result = `ESLint couldn't determine the plugin "${pluginId}" uniquely. +`; + + for (const { filePath, importerName } of plugins) { + result += ` +- ${filePath} (loaded in "${importerName}")`; + } + + result += ` + +Please remove the "plugins" setting from either config or remove either plugin installation. + +If you still can't figure out the problem, please see https://eslint.org/docs/latest/use/troubleshooting. +`; + + return result; +}; diff --git a/module/node_modules/eslint/messages/plugin-invalid.js b/module/node_modules/eslint/messages/plugin-invalid.js new file mode 100644 index 000000000..fc9ff6ab5 --- /dev/null +++ b/module/node_modules/eslint/messages/plugin-invalid.js @@ -0,0 +1,16 @@ +"use strict"; + +module.exports = function (it) { + const { configName, importerName } = it; + + return ` +"${configName}" is invalid syntax for a config specifier. + +* If your intention is to extend from a configuration exported from the plugin, add the configuration name after a slash: e.g. "${configName}/myConfig". +* If this is the name of a shareable config instead of a plugin, remove the "plugin:" prefix: i.e. "${configName.slice("plugin:".length)}". + +"${configName}" was referenced from the config file in "${importerName}". + +If you still can't figure out the problem, please see https://eslint.org/docs/latest/use/troubleshooting. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/plugin-missing.js b/module/node_modules/eslint/messages/plugin-missing.js new file mode 100644 index 000000000..6152a6a44 --- /dev/null +++ b/module/node_modules/eslint/messages/plugin-missing.js @@ -0,0 +1,19 @@ +"use strict"; + +module.exports = function (it) { + const { pluginName, resolvePluginsRelativeTo, importerName } = it; + + return ` +ESLint couldn't find the plugin "${pluginName}". + +(The package "${pluginName}" was not found when loaded as a Node module from the directory "${resolvePluginsRelativeTo}".) + +It's likely that the plugin isn't installed correctly. Try reinstalling by running the following: + + npm install ${pluginName}@latest --save-dev + +The plugin "${pluginName}" was referenced from the config file in "${importerName}". + +If you still can't figure out the problem, please see https://eslint.org/docs/latest/use/troubleshooting. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/print-config-with-directory-path.js b/module/node_modules/eslint/messages/print-config-with-directory-path.js new file mode 100644 index 000000000..9f37745f2 --- /dev/null +++ b/module/node_modules/eslint/messages/print-config-with-directory-path.js @@ -0,0 +1,8 @@ +"use strict"; + +module.exports = function () { + return ` +The '--print-config' CLI option requires a path to a source code file rather than a directory. +See also: https://eslint.org/docs/latest/use/command-line-interface#--print-config +`.trimStart(); +}; diff --git a/module/node_modules/eslint/messages/shared.js b/module/node_modules/eslint/messages/shared.js new file mode 100644 index 000000000..4244ed680 --- /dev/null +++ b/module/node_modules/eslint/messages/shared.js @@ -0,0 +1,23 @@ +/** + * @fileoverview Shared utilities for error messages. + * @author Josh Goldberg + */ + +"use strict"; + +/** + * Converts a value to a string that may be printed in errors. + * @param {any} value The invalid value. + * @param {number} indentation How many spaces to indent + * @returns {string} The value, stringified. + */ +function stringifyValueForError(value, indentation) { + return value + ? JSON.stringify(value, null, 4).replace( + /\n/gu, + `\n${" ".repeat(indentation)}`, + ) + : `${value}`; +} + +module.exports = { stringifyValueForError }; diff --git a/module/node_modules/eslint/messages/whitespace-found.js b/module/node_modules/eslint/messages/whitespace-found.js new file mode 100644 index 000000000..c61602165 --- /dev/null +++ b/module/node_modules/eslint/messages/whitespace-found.js @@ -0,0 +1,11 @@ +"use strict"; + +module.exports = function (it) { + const { pluginName } = it; + + return ` +ESLint couldn't find the plugin "${pluginName}". because there is whitespace in the name. Please check your configuration and remove all whitespace from the plugin name. + +If you still can't figure out the problem, please stop by https://eslint.org/chat/help to chat with the team. +`.trimStart(); +}; diff --git a/module/node_modules/eslint/package.json b/module/node_modules/eslint/package.json new file mode 100644 index 000000000..0df79bac9 --- /dev/null +++ b/module/node_modules/eslint/package.json @@ -0,0 +1,226 @@ +{ + "name": "eslint", + "version": "9.39.2", + "author": "Nicholas C. Zakas ", + "description": "An AST-based pattern checker for JavaScript.", + "type": "commonjs", + "bin": { + "eslint": "./bin/eslint.js" + }, + "main": "./lib/api.js", + "types": "./lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/api.js" + }, + "./config": { + "types": "./lib/types/config-api.d.ts", + "default": "./lib/config-api.js" + }, + "./package.json": "./package.json", + "./use-at-your-own-risk": { + "types": "./lib/types/use-at-your-own-risk.d.ts", + "default": "./lib/unsupported-api.js" + }, + "./rules": { + "types": "./lib/types/rules.d.ts" + }, + "./universal": { + "types": "./lib/types/universal.d.ts", + "default": "./lib/universal.js" + } + }, + "typesVersions": { + "*": { + "use-at-your-own-risk": [ + "./lib/types/use-at-your-own-risk.d.ts" + ], + "rules": [ + "./lib/types/rules.d.ts" + ], + "universal": [ + "./lib/types/universal.d.ts" + ], + "config": [ + "./lib/types/config-api.d.ts" + ] + } + }, + "scripts": { + "build:docs:update-links": "node tools/fetch-docs-links.js", + "build:site": "node Makefile.js gensite", + "build:webpack": "node Makefile.js webpack", + "build:readme": "node tools/update-readme.js", + "build:rules-index": "node Makefile.js generateRuleIndexPage", + "lint": "trunk check --no-fix --ignore=docs/**/*.js -a --filter=eslint && trunk check --no-fix --ignore=docs/**/*.js", + "lint:docs:js": "trunk check --no-fix --ignore=** --ignore=!docs/**/*.js -a --filter=eslint && trunk check --no-fix --ignore=** --ignore=!docs/**/*.js", + "lint:docs:rule-examples": "node Makefile.js checkRuleExamples", + "lint:unused": "knip", + "lint:fix": "trunk check -y --ignore=docs/**/*.js -a --filter=eslint && trunk check -y --ignore=docs/**/*.js", + "lint:fix:docs:js": "trunk check -y --ignore=** --ignore=!docs/**/*.js -a --filter=eslint && trunk check -y --ignore=** --ignore=!docs/**/*.js", + "lint:rule-types": "node tools/update-rule-type-headers.js --check", + "lint:types": "attw --pack", + "release:generate:alpha": "node Makefile.js generatePrerelease -- alpha", + "release:generate:beta": "node Makefile.js generatePrerelease -- beta", + "release:generate:latest": "node Makefile.js generateRelease -- latest", + "release:generate:maintenance": "node Makefile.js generateRelease -- maintenance", + "release:generate:rc": "node Makefile.js generatePrerelease -- rc", + "release:publish": "node Makefile.js publishRelease", + "test": "node Makefile.js test", + "test:browser": "node Makefile.js cypress", + "test:cli": "mocha", + "test:emfile": "node tools/check-emfile-handling.js", + "test:fuzz": "node Makefile.js fuzz", + "test:performance": "node Makefile.js perf", + "test:pnpm": "cd tests/pnpm && node check.js && pnpm install && pnpm exec tsc", + "test:types": "tsc -p tests/lib/types/tsconfig.json" + }, + "gitHooks": { + "pre-commit": "lint-staged" + }, + "lint-staged": { + "*": "trunk check --fix", + "lib/rules/*.js": [ + "node tools/update-eslint-all.js", + "node tools/update-eslint-recommended.js", + "node tools/update-rule-type-headers.js", + "git add packages/js/src/configs/*.js lib/types/rules.d.ts" + ], + "docs/src/rules/*.md": [ + "node tools/check-rule-examples.js", + "node tools/fetch-docs-links.js", + "git add docs/src/_data/further_reading_links.json" + ] + }, + "files": [ + "LICENSE", + "README.md", + "bin", + "conf", + "lib", + "messages" + ], + "repository": "eslint/eslint", + "funding": "https://eslint.org/donate", + "homepage": "https://eslint.org", + "bugs": "https://github.com/eslint/eslint/issues/", + "dependencies": { + "@eslint-community/eslint-utils": "^4.8.0", + "@eslint-community/regexpp": "^4.12.1", + "@eslint/config-array": "^0.21.1", + "@eslint/config-helpers": "^0.4.2", + "@eslint/core": "^0.17.0", + "@eslint/eslintrc": "^3.3.1", + "@eslint/js": "9.39.2", + "@eslint/plugin-kit": "^0.4.1", + "@humanfs/node": "^0.16.6", + "@humanwhocodes/module-importer": "^1.0.1", + "@humanwhocodes/retry": "^0.4.2", + "@types/estree": "^1.0.6", + "ajv": "^6.12.4", + "chalk": "^4.0.0", + "cross-spawn": "^7.0.6", + "debug": "^4.3.2", + "escape-string-regexp": "^4.0.0", + "eslint-scope": "^8.4.0", + "eslint-visitor-keys": "^4.2.1", + "espree": "^10.4.0", + "esquery": "^1.5.0", + "esutils": "^2.0.2", + "fast-deep-equal": "^3.1.3", + "file-entry-cache": "^8.0.0", + "find-up": "^5.0.0", + "glob-parent": "^6.0.2", + "ignore": "^5.2.0", + "imurmurhash": "^0.1.4", + "is-glob": "^4.0.0", + "json-stable-stringify-without-jsonify": "^1.0.1", + "lodash.merge": "^4.6.2", + "minimatch": "^3.1.2", + "natural-compare": "^1.4.0", + "optionator": "^0.9.3" + }, + "devDependencies": { + "@arethetypeswrong/cli": "^0.18.0", + "@babel/core": "^7.4.3", + "@babel/preset-env": "^7.4.3", + "@cypress/webpack-preprocessor": "^6.0.2", + "@eslint/json": "^0.13.2", + "@trunkio/launcher": "^1.3.4", + "@types/esquery": "^1.5.4", + "@types/node": "^22.13.14", + "@typescript-eslint/parser": "^8.4.0", + "babel-loader": "^8.0.5", + "c8": "^7.12.0", + "chai": "^4.0.1", + "cheerio": "^0.22.0", + "common-tags": "^1.8.0", + "core-js": "^3.1.3", + "cypress": "^14.1.0", + "ejs": "^3.0.2", + "eslint": "file:.", + "eslint-config-eslint": "file:packages/eslint-config-eslint", + "eslint-plugin-eslint-plugin": "^6.0.0", + "eslint-plugin-expect-type": "^0.6.0", + "eslint-plugin-yml": "^1.14.0", + "eslint-release": "^3.3.0", + "eslint-rule-composer": "^0.3.0", + "eslump": "^3.0.0", + "esprima": "^4.0.1", + "fast-glob": "^3.2.11", + "fs-teardown": "^0.1.3", + "glob": "^10.0.0", + "globals": "^16.2.0", + "got": "^11.8.3", + "gray-matter": "^4.0.3", + "jiti": "^2.6.1", + "jiti-v2.0": "npm:jiti@2.0.x", + "jiti-v2.1": "npm:jiti@2.1.x", + "knip": "^5.60.2", + "lint-staged": "^11.0.0", + "markdown-it": "^12.2.0", + "markdown-it-container": "^3.0.0", + "marked": "^4.0.8", + "metascraper": "^5.25.7", + "metascraper-description": "^5.25.7", + "metascraper-image": "^5.29.3", + "metascraper-logo": "^5.25.7", + "metascraper-logo-favicon": "^5.25.7", + "metascraper-title": "^5.25.7", + "mocha": "^11.7.1", + "node-polyfill-webpack-plugin": "^1.0.3", + "npm-license": "^0.3.3", + "pirates": "^4.0.5", + "progress": "^2.0.3", + "proxyquire": "^2.0.1", + "recast": "^0.23.0", + "regenerator-runtime": "^0.14.0", + "semver": "^7.5.3", + "shelljs": "^0.10.0", + "sinon": "^11.0.0", + "typescript": "^5.3.3", + "webpack": "^5.23.0", + "webpack-cli": "^4.5.0", + "yorkie": "^2.0.0" + }, + "peerDependencies": { + "jiti": "*" + }, + "peerDependenciesMeta": { + "jiti": { + "optional": true + } + }, + "keywords": [ + "ast", + "lint", + "javascript", + "ecmascript", + "espree" + ], + "license": "MIT", + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + } +} diff --git a/module/node_modules/espree/LICENSE b/module/node_modules/espree/LICENSE new file mode 100644 index 000000000..b18469ff2 --- /dev/null +++ b/module/node_modules/espree/LICENSE @@ -0,0 +1,25 @@ +BSD 2-Clause License + +Copyright (c) Open JS Foundation +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +1. Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, +OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/module/node_modules/espree/README.md b/module/node_modules/espree/README.md new file mode 100644 index 000000000..e8e73ee5f --- /dev/null +++ b/module/node_modules/espree/README.md @@ -0,0 +1,262 @@ +[![npm version](https://img.shields.io/npm/v/espree.svg)](https://www.npmjs.com/package/espree) +[![npm downloads](https://img.shields.io/npm/dm/espree.svg)](https://www.npmjs.com/package/espree) +[![Build Status](https://github.com/eslint/js/workflows/CI/badge.svg)](https://github.com/js/espree/actions) +[![Bountysource](https://www.bountysource.com/badge/tracker?tracker_id=9348450)](https://www.bountysource.com/trackers/9348450-eslint?utm_source=9348450&utm_medium=shield&utm_campaign=TRACKER_BADGE) + +# Espree + +Espree started out as a fork of [Esprima](http://esprima.org) v1.2.2, the last stable published released of Esprima before work on ECMAScript 6 began. Espree is now built on top of [Acorn](https://github.com/ternjs/acorn), which has a modular architecture that allows extension of core functionality. The goal of Espree is to produce output that is similar to Esprima with a similar API so that it can be used in place of Esprima. + +## Usage + +Install: + +``` +npm i espree +``` + +To use in an ESM file: + +```js +import * as espree from "espree"; + +const ast = espree.parse(code); +``` + +To use in a Common JS file: + +```js +const espree = require("espree"); + +const ast = espree.parse(code); +``` + +## API + +### `parse()` + +`parse` parses the given code and returns a abstract syntax tree (AST). It takes two parameters. + +- `code` [string]() - the code which needs to be parsed. +- `options (Optional)` [Object]() - read more about this [here](#options). + +```js +import * as espree from "espree"; + +const ast = espree.parse(code); +``` + +**Example :** + +```js +const ast = espree.parse('let foo = "bar"', { ecmaVersion: 6 }); +console.log(ast); +``` + +
Output +

+ +``` +Node { + type: 'Program', + start: 0, + end: 15, + body: [ + Node { + type: 'VariableDeclaration', + start: 0, + end: 15, + declarations: [Array], + kind: 'let' + } + ], + sourceType: 'script' +} +``` + +

+
+ +### `tokenize()` + +`tokenize` returns the tokens of a given code. It takes two parameters. + +- `code` [string]() - the code which needs to be parsed. +- `options (Optional)` [Object]() - read more about this [here](#options). + +Even if `options` is empty or undefined or `options.tokens` is `false`, it assigns it to `true` in order to get the `tokens` array + +**Example :** + +```js +import * as espree from "espree"; + +const tokens = espree.tokenize('let foo = "bar"', { ecmaVersion: 6 }); +console.log(tokens); +``` + +
Output +

+ +``` +Token { type: 'Keyword', value: 'let', start: 0, end: 3 }, +Token { type: 'Identifier', value: 'foo', start: 4, end: 7 }, +Token { type: 'Punctuator', value: '=', start: 8, end: 9 }, +Token { type: 'String', value: '"bar"', start: 10, end: 15 } +``` + +

+
+ +### `version` + +Returns the current `espree` version + +### `VisitorKeys` + +Returns all visitor keys for traversing the AST from [eslint-visitor-keys](https://github.com/eslint/js/tree/main/packages/eslint-visitor-keys) + +### `latestEcmaVersion` + +Returns the latest ECMAScript supported by `espree` + +### `supportedEcmaVersions` + +Returns an array of all supported ECMAScript versions + +## Options + +```js +const options = { + // attach range information to each node + range: false, + + // attach line/column location information to each node + loc: false, + + // create a top-level comments array containing all comments + comment: false, + + // create a top-level tokens array containing all tokens + tokens: false, + + // Set to 3, 5 (the default), 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 or 17 to specify the version of ECMAScript syntax you want to use. + // You can also set to 2015 (same as 6), 2016 (same as 7), 2017 (same as 8), 2018 (same as 9), 2019 (same as 10), 2020 (same as 11), 2021 (same as 12), 2022 (same as 13), 2023 (same as 14), 2024 (same as 15), 2025 (same as 16) or 2026 (same as 17) to use the year-based naming. + // You can also set "latest" to use the most recently supported version. + ecmaVersion: 3, + + allowReserved: true, // only allowed when ecmaVersion is 3 + + // specify which type of script you're parsing ("script", "module", or "commonjs") + sourceType: "script", + + // specify additional language features + ecmaFeatures: { + + // enable JSX parsing + jsx: false, + + // enable return in global scope (set to true automatically when sourceType is "commonjs") + globalReturn: false, + + // enable implied strict mode (if ecmaVersion >= 5) + impliedStrict: false + } +} +``` + +## Esprima Compatibility Going Forward + +The primary goal is to produce the exact same AST structure and tokens as Esprima, and that takes precedence over anything else. (The AST structure being the [ESTree](https://github.com/estree/estree) API with JSX extensions.) Separate from that, Espree may deviate from what Esprima outputs in terms of where and how comments are attached, as well as what additional information is available on AST nodes. That is to say, Espree may add more things to the AST nodes than Esprima does but the overall AST structure produced will be the same. + +Espree may also deviate from Esprima in the interface it exposes. + +## Contributing + +Issues and pull requests will be triaged and responded to as quickly as possible. We operate under the [ESLint Contributor Guidelines](http://eslint.org/docs/developer-guide/contributing), so please be sure to read them before contributing. If you're not sure where to dig in, check out the [issues](https://github.com/eslint/js/issues). + +Espree is licensed under a permissive BSD 2-clause license. + +## Security Policy + +We work hard to ensure that Espree is safe for everyone and that security issues are addressed quickly and responsibly. Read the full [security policy](https://github.com/eslint/.github/blob/master/SECURITY.md). + +## Build Commands + +* `npm test` - run all tests +* `npm run lint` - run all linting + +## Differences from Espree 2.x + +* The `tokenize()` method does not use `ecmaFeatures`. Any string will be tokenized completely based on ECMAScript 6 semantics. +* Trailing whitespace no longer is counted as part of a node. +* `let` and `const` declarations are no longer parsed by default. You must opt-in by using an `ecmaVersion` newer than `5` or setting `sourceType` to `module`. +* The `esparse` and `esvalidate` binary scripts have been removed. +* There is no `tolerant` option. We will investigate adding this back in the future. + +## Known Incompatibilities + +In an effort to help those wanting to transition from other parsers to Espree, the following is a list of noteworthy incompatibilities with other parsers. These are known differences that we do not intend to change. + +### Esprima 1.2.2 + +* Esprima counts trailing whitespace as part of each AST node while Espree does not. In Espree, the end of a node is where the last token occurs. +* Espree does not parse `let` and `const` declarations by default. +* Error messages returned for parsing errors are different. +* There are two addition properties on every node and token: `start` and `end`. These represent the same data as `range` and are used internally by Acorn. + +### Esprima 2.x + +* Esprima 2.x uses a different comment attachment algorithm that results in some comments being added in different places than Espree. The algorithm Espree uses is the same one used in Esprima 1.2.2. + +## Frequently Asked Questions + +### Why another parser + +[ESLint](http://eslint.org) had been relying on Esprima as its parser from the beginning. While that was fine when the JavaScript language was evolving slowly, the pace of development increased dramatically and Esprima had fallen behind. ESLint, like many other tools reliant on Esprima, has been stuck in using new JavaScript language features until Esprima updates, and that caused our users frustration. + +We decided the only way for us to move forward was to create our own parser, bringing us inline with JSHint and JSLint, and allowing us to keep implementing new features as we need them. We chose to fork Esprima instead of starting from scratch in order to move as quickly as possible with a compatible API. + +With Espree 2.0.0, we are no longer a fork of Esprima but rather a translation layer between Acorn and Esprima syntax. This allows us to put work back into a community-supported parser (Acorn) that is continuing to grow and evolve while maintaining an Esprima-compatible parser for those utilities still built on Esprima. + +### Have you tried working with Esprima? + +Yes. Since the start of ESLint, we've regularly filed bugs and feature requests with Esprima and will continue to do so. However, there are some different philosophies around how the projects work that need to be worked through. The initial goal was to have Espree track Esprima and eventually merge the two back together, but we ultimately decided that building on top of Acorn was a better choice due to Acorn's plugin support. + +### Why don't you just use Acorn? + +Acorn is a great JavaScript parser that produces an AST that is compatible with Esprima. Unfortunately, ESLint relies on more than just the AST to do its job. It relies on Esprima's tokens and comment attachment features to get a complete picture of the source code. We investigated switching to Acorn, but the inconsistencies between Esprima and Acorn created too much work for a project like ESLint. + +We are building on top of Acorn, however, so that we can contribute back and help make Acorn even better. + +### What ECMAScript features do you support? + +Espree supports all ECMAScript 2025 features and partially supports ECMAScript 2026 features. + +Because ECMAScript 2026 is still under development, we are implementing features as they are finalized. Currently, Espree supports: + +* [Explicit Resource Management](https://github.com/tc39/proposal-explicit-resource-management) + +See [finished-proposals.md](https://github.com/tc39/proposals/blob/master/finished-proposals.md) to know what features are finalized. + +### How do you determine which experimental features to support? + +In general, we do not support experimental JavaScript features. We may make exceptions from time to time depending on the maturity of the features. + + + +## Sponsors + +The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. [Become a Sponsor](https://eslint.org/donate) +to get your logo on our READMEs and [website](https://eslint.org/sponsors). + +

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+ diff --git a/module/node_modules/espree/dist/espree.cjs b/module/node_modules/espree/dist/espree.cjs new file mode 100644 index 000000000..0abd6b27b --- /dev/null +++ b/module/node_modules/espree/dist/espree.cjs @@ -0,0 +1,940 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var acorn = require('acorn'); +var jsx = require('acorn-jsx'); +var visitorKeys = require('eslint-visitor-keys'); + +function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; } + +function _interopNamespace(e) { + if (e && e.__esModule) return e; + var n = Object.create(null); + if (e) { + Object.keys(e).forEach(function (k) { + if (k !== 'default') { + var d = Object.getOwnPropertyDescriptor(e, k); + Object.defineProperty(n, k, d.get ? d : { + enumerable: true, + get: function () { return e[k]; } + }); + } + }); + } + n["default"] = e; + return Object.freeze(n); +} + +var acorn__namespace = /*#__PURE__*/_interopNamespace(acorn); +var jsx__default = /*#__PURE__*/_interopDefaultLegacy(jsx); +var visitorKeys__namespace = /*#__PURE__*/_interopNamespace(visitorKeys); + +/** + * @fileoverview Translates tokens between Acorn format and Esprima format. + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +// none! + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ + + +// Esprima Token Types +const Token = { + Boolean: "Boolean", + EOF: "", + Identifier: "Identifier", + PrivateIdentifier: "PrivateIdentifier", + Keyword: "Keyword", + Null: "Null", + Numeric: "Numeric", + Punctuator: "Punctuator", + String: "String", + RegularExpression: "RegularExpression", + Template: "Template", + JSXIdentifier: "JSXIdentifier", + JSXText: "JSXText" +}; + +/** + * Converts part of a template into an Esprima token. + * @param {AcornToken[]} tokens The Acorn tokens representing the template. + * @param {string} code The source code. + * @returns {EsprimaToken} The Esprima equivalent of the template token. + * @private + */ +function convertTemplatePart(tokens, code) { + const firstToken = tokens[0], + lastTemplateToken = tokens.at(-1); + + const token = { + type: Token.Template, + value: code.slice(firstToken.start, lastTemplateToken.end) + }; + + if (firstToken.loc) { + token.loc = { + start: firstToken.loc.start, + end: lastTemplateToken.loc.end + }; + } + + if (firstToken.range) { + token.start = firstToken.range[0]; + token.end = lastTemplateToken.range[1]; + token.range = [token.start, token.end]; + } + + return token; +} + +/** + * Contains logic to translate Acorn tokens into Esprima tokens. + * @param {Object} acornTokTypes The Acorn token types. + * @param {string} code The source code Acorn is parsing. This is necessary + * to correct the "value" property of some tokens. + * @constructor + */ +function TokenTranslator(acornTokTypes, code) { + + // token types + this._acornTokTypes = acornTokTypes; + + // token buffer for templates + this._tokens = []; + + // track the last curly brace + this._curlyBrace = null; + + // the source code + this._code = code; + +} + +TokenTranslator.prototype = { + constructor: TokenTranslator, + + /** + * Translates a single Esprima token to a single Acorn token. This may be + * inaccurate due to how templates are handled differently in Esprima and + * Acorn, but should be accurate for all other tokens. + * @param {AcornToken} token The Acorn token to translate. + * @param {Object} extra Espree extra object. + * @returns {EsprimaToken} The Esprima version of the token. + */ + translate(token, extra) { + + const type = token.type, + tt = this._acornTokTypes; + + if (type === tt.name) { + token.type = Token.Identifier; + + // TODO: See if this is an Acorn bug + if (token.value === "static") { + token.type = Token.Keyword; + } + + if (extra.ecmaVersion > 5 && (token.value === "yield" || token.value === "let")) { + token.type = Token.Keyword; + } + + } else if (type === tt.privateId) { + token.type = Token.PrivateIdentifier; + + } else if (type === tt.semi || type === tt.comma || + type === tt.parenL || type === tt.parenR || + type === tt.braceL || type === tt.braceR || + type === tt.dot || type === tt.bracketL || + type === tt.colon || type === tt.question || + type === tt.bracketR || type === tt.ellipsis || + type === tt.arrow || type === tt.jsxTagStart || + type === tt.incDec || type === tt.starstar || + type === tt.jsxTagEnd || type === tt.prefix || + type === tt.questionDot || + (type.binop && !type.keyword) || + type.isAssign) { + + token.type = Token.Punctuator; + token.value = this._code.slice(token.start, token.end); + } else if (type === tt.jsxName) { + token.type = Token.JSXIdentifier; + } else if (type.label === "jsxText" || type === tt.jsxAttrValueToken) { + token.type = Token.JSXText; + } else if (type.keyword) { + if (type.keyword === "true" || type.keyword === "false") { + token.type = Token.Boolean; + } else if (type.keyword === "null") { + token.type = Token.Null; + } else { + token.type = Token.Keyword; + } + } else if (type === tt.num) { + token.type = Token.Numeric; + token.value = this._code.slice(token.start, token.end); + } else if (type === tt.string) { + + if (extra.jsxAttrValueToken) { + extra.jsxAttrValueToken = false; + token.type = Token.JSXText; + } else { + token.type = Token.String; + } + + token.value = this._code.slice(token.start, token.end); + } else if (type === tt.regexp) { + token.type = Token.RegularExpression; + const value = token.value; + + token.regex = { + flags: value.flags, + pattern: value.pattern + }; + token.value = `/${value.pattern}/${value.flags}`; + } + + return token; + }, + + /** + * Function to call during Acorn's onToken handler. + * @param {AcornToken} token The Acorn token. + * @param {Object} extra The Espree extra object. + * @returns {void} + */ + onToken(token, extra) { + + const tt = this._acornTokTypes, + tokens = extra.tokens, + templateTokens = this._tokens; + + /** + * Flushes the buffered template tokens and resets the template + * tracking. + * @returns {void} + * @private + */ + const translateTemplateTokens = () => { + tokens.push(convertTemplatePart(this._tokens, this._code)); + this._tokens = []; + }; + + if (token.type === tt.eof) { + + // might be one last curlyBrace + if (this._curlyBrace) { + tokens.push(this.translate(this._curlyBrace, extra)); + } + + return; + } + + if (token.type === tt.backQuote) { + + // if there's already a curly, it's not part of the template + if (this._curlyBrace) { + tokens.push(this.translate(this._curlyBrace, extra)); + this._curlyBrace = null; + } + + templateTokens.push(token); + + // it's the end + if (templateTokens.length > 1) { + translateTemplateTokens(); + } + + return; + } + if (token.type === tt.dollarBraceL) { + templateTokens.push(token); + translateTemplateTokens(); + return; + } + if (token.type === tt.braceR) { + + // if there's already a curly, it's not part of the template + if (this._curlyBrace) { + tokens.push(this.translate(this._curlyBrace, extra)); + } + + // store new curly for later + this._curlyBrace = token; + return; + } + if (token.type === tt.template || token.type === tt.invalidTemplate) { + if (this._curlyBrace) { + templateTokens.push(this._curlyBrace); + this._curlyBrace = null; + } + + templateTokens.push(token); + return; + } + + if (this._curlyBrace) { + tokens.push(this.translate(this._curlyBrace, extra)); + this._curlyBrace = null; + } + + tokens.push(this.translate(token, extra)); + } +}; + +/** + * @fileoverview A collection of methods for processing Espree's options. + * @author Kai Cataldo + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const SUPPORTED_VERSIONS = [ + 3, + 5, + 6, // 2015 + 7, // 2016 + 8, // 2017 + 9, // 2018 + 10, // 2019 + 11, // 2020 + 12, // 2021 + 13, // 2022 + 14, // 2023 + 15, // 2024 + 16, // 2025 + 17 // 2026 +]; + +/** + * Get the latest ECMAScript version supported by Espree. + * @returns {number} The latest ECMAScript version. + */ +function getLatestEcmaVersion() { + return SUPPORTED_VERSIONS.at(-1); +} + +/** + * Get the list of ECMAScript versions supported by Espree. + * @returns {number[]} An array containing the supported ECMAScript versions. + */ +function getSupportedEcmaVersions() { + return [...SUPPORTED_VERSIONS]; +} + +/** + * Normalize ECMAScript version from the initial config + * @param {(number|"latest")} ecmaVersion ECMAScript version from the initial config + * @throws {Error} throws an error if the ecmaVersion is invalid. + * @returns {number} normalized ECMAScript version + */ +function normalizeEcmaVersion(ecmaVersion = 5) { + + let version = ecmaVersion === "latest" ? getLatestEcmaVersion() : ecmaVersion; + + if (typeof version !== "number") { + throw new Error(`ecmaVersion must be a number or "latest". Received value of type ${typeof ecmaVersion} instead.`); + } + + // Calculate ECMAScript edition number from official year version starting with + // ES2015, which corresponds with ES6 (or a difference of 2009). + if (version >= 2015) { + version -= 2009; + } + + if (!SUPPORTED_VERSIONS.includes(version)) { + throw new Error("Invalid ecmaVersion."); + } + + return version; +} + +/** + * Normalize sourceType from the initial config + * @param {string} sourceType to normalize + * @throws {Error} throw an error if sourceType is invalid + * @returns {string} normalized sourceType + */ +function normalizeSourceType(sourceType = "script") { + if (sourceType === "script" || sourceType === "module") { + return sourceType; + } + + if (sourceType === "commonjs") { + return "script"; + } + + throw new Error("Invalid sourceType."); +} + +/** + * Normalize parserOptions + * @param {Object} options the parser options to normalize + * @throws {Error} throw an error if found invalid option. + * @returns {Object} normalized options + */ +function normalizeOptions(options) { + const ecmaVersion = normalizeEcmaVersion(options.ecmaVersion); + const sourceType = normalizeSourceType(options.sourceType); + const ranges = options.range === true; + const locations = options.loc === true; + + if (ecmaVersion !== 3 && options.allowReserved) { + + // a value of `false` is intentionally allowed here, so a shared config can overwrite it when needed + throw new Error("`allowReserved` is only supported when ecmaVersion is 3"); + } + if (typeof options.allowReserved !== "undefined" && typeof options.allowReserved !== "boolean") { + throw new Error("`allowReserved`, when present, must be `true` or `false`"); + } + const allowReserved = ecmaVersion === 3 ? (options.allowReserved || "never") : false; + const ecmaFeatures = options.ecmaFeatures || {}; + const allowReturnOutsideFunction = options.sourceType === "commonjs" || + Boolean(ecmaFeatures.globalReturn); + + if (sourceType === "module" && ecmaVersion < 6) { + throw new Error("sourceType 'module' is not supported when ecmaVersion < 2015. Consider adding `{ ecmaVersion: 2015 }` to the parser options."); + } + + return Object.assign({}, options, { + ecmaVersion, + sourceType, + ranges, + locations, + allowReserved, + allowReturnOutsideFunction + }); +} + +/* eslint no-param-reassign: 0 -- stylistic choice */ + + +const STATE = Symbol("espree's internal state"); +const ESPRIMA_FINISH_NODE = Symbol("espree's esprimaFinishNode"); + + +/** + * Converts an Acorn comment to a Esprima comment. + * @param {boolean} block True if it's a block comment, false if not. + * @param {string} text The text of the comment. + * @param {int} start The index at which the comment starts. + * @param {int} end The index at which the comment ends. + * @param {Location} startLoc The location at which the comment starts. + * @param {Location} endLoc The location at which the comment ends. + * @param {string} code The source code being parsed. + * @returns {Object} The comment object. + * @private + */ +function convertAcornCommentToEsprimaComment(block, text, start, end, startLoc, endLoc, code) { + let type; + + if (block) { + type = "Block"; + } else if (code.slice(start, start + 2) === "#!") { + type = "Hashbang"; + } else { + type = "Line"; + } + + const comment = { + type, + value: text + }; + + if (typeof start === "number") { + comment.start = start; + comment.end = end; + comment.range = [start, end]; + } + + if (typeof startLoc === "object") { + comment.loc = { + start: startLoc, + end: endLoc + }; + } + + return comment; +} + +var espree = () => Parser => { + const tokTypes = Object.assign({}, Parser.acorn.tokTypes); + + if (Parser.acornJsx) { + Object.assign(tokTypes, Parser.acornJsx.tokTypes); + } + + return class Espree extends Parser { + constructor(opts, code) { + if (typeof opts !== "object" || opts === null) { + opts = {}; + } + if (typeof code !== "string" && !(code instanceof String)) { + code = String(code); + } + + // save original source type in case of commonjs + const originalSourceType = opts.sourceType; + const options = normalizeOptions(opts); + const ecmaFeatures = options.ecmaFeatures || {}; + const tokenTranslator = + options.tokens === true + ? new TokenTranslator(tokTypes, code) + : null; + + /* + * Data that is unique to Espree and is not represented internally + * in Acorn. + * + * For ES2023 hashbangs, Espree will call `onComment()` during the + * constructor, so we must define state before having access to + * `this`. + */ + const state = { + originalSourceType: originalSourceType || options.sourceType, + tokens: tokenTranslator ? [] : null, + comments: options.comment === true ? [] : null, + impliedStrict: ecmaFeatures.impliedStrict === true && options.ecmaVersion >= 5, + ecmaVersion: options.ecmaVersion, + jsxAttrValueToken: false, + lastToken: null, + templateElements: [] + }; + + // Initialize acorn parser. + super({ + + // do not use spread, because we don't want to pass any unknown options to acorn + ecmaVersion: options.ecmaVersion, + sourceType: options.sourceType, + ranges: options.ranges, + locations: options.locations, + allowReserved: options.allowReserved, + + // Truthy value is true for backward compatibility. + allowReturnOutsideFunction: options.allowReturnOutsideFunction, + + // Collect tokens + onToken(token) { + if (tokenTranslator) { + + // Use `tokens`, `ecmaVersion`, and `jsxAttrValueToken` in the state. + tokenTranslator.onToken(token, state); + } + if (token.type !== tokTypes.eof) { + state.lastToken = token; + } + }, + + // Collect comments + onComment(block, text, start, end, startLoc, endLoc) { + if (state.comments) { + const comment = convertAcornCommentToEsprimaComment(block, text, start, end, startLoc, endLoc, code); + + state.comments.push(comment); + } + } + }, code); + + /* + * We put all of this data into a symbol property as a way to avoid + * potential naming conflicts with future versions of Acorn. + */ + this[STATE] = state; + } + + tokenize() { + do { + this.next(); + } while (this.type !== tokTypes.eof); + + // Consume the final eof token + this.next(); + + const extra = this[STATE]; + const tokens = extra.tokens; + + if (extra.comments) { + tokens.comments = extra.comments; + } + + return tokens; + } + + finishNode(...args) { + const result = super.finishNode(...args); + + return this[ESPRIMA_FINISH_NODE](result); + } + + finishNodeAt(...args) { + const result = super.finishNodeAt(...args); + + return this[ESPRIMA_FINISH_NODE](result); + } + + parse() { + const extra = this[STATE]; + const program = super.parse(); + + program.sourceType = extra.originalSourceType; + + if (extra.comments) { + program.comments = extra.comments; + } + if (extra.tokens) { + program.tokens = extra.tokens; + } + + /* + * Adjust opening and closing position of program to match Esprima. + * Acorn always starts programs at range 0 whereas Esprima starts at the + * first AST node's start (the only real difference is when there's leading + * whitespace or leading comments). Acorn also counts trailing whitespace + * as part of the program whereas Esprima only counts up to the last token. + */ + if (program.body.length) { + const [firstNode] = program.body; + + if (program.range) { + program.range[0] = firstNode.range[0]; + } + if (program.loc) { + program.loc.start = firstNode.loc.start; + } + program.start = firstNode.start; + } + if (extra.lastToken) { + if (program.range) { + program.range[1] = extra.lastToken.range[1]; + } + if (program.loc) { + program.loc.end = extra.lastToken.loc.end; + } + program.end = extra.lastToken.end; + } + + + /* + * https://github.com/eslint/espree/issues/349 + * Ensure that template elements have correct range information. + * This is one location where Acorn produces a different value + * for its start and end properties vs. the values present in the + * range property. In order to avoid confusion, we set the start + * and end properties to the values that are present in range. + * This is done here, instead of in finishNode(), because Acorn + * uses the values of start and end internally while parsing, making + * it dangerous to change those values while parsing is ongoing. + * By waiting until the end of parsing, we can safely change these + * values without affect any other part of the process. + */ + this[STATE].templateElements.forEach(templateElement => { + const startOffset = -1; + const endOffset = templateElement.tail ? 1 : 2; + + templateElement.start += startOffset; + templateElement.end += endOffset; + + if (templateElement.range) { + templateElement.range[0] += startOffset; + templateElement.range[1] += endOffset; + } + + if (templateElement.loc) { + templateElement.loc.start.column += startOffset; + templateElement.loc.end.column += endOffset; + } + }); + + return program; + } + + parseTopLevel(node) { + if (this[STATE].impliedStrict) { + this.strict = true; + } + return super.parseTopLevel(node); + } + + /** + * Overwrites the default raise method to throw Esprima-style errors. + * @param {int} pos The position of the error. + * @param {string} message The error message. + * @throws {SyntaxError} A syntax error. + * @returns {void} + */ + raise(pos, message) { + const loc = Parser.acorn.getLineInfo(this.input, pos); + const err = new SyntaxError(message); + + err.index = pos; + err.lineNumber = loc.line; + err.column = loc.column + 1; // acorn uses 0-based columns + throw err; + } + + /** + * Overwrites the default raise method to throw Esprima-style errors. + * @param {int} pos The position of the error. + * @param {string} message The error message. + * @throws {SyntaxError} A syntax error. + * @returns {void} + */ + raiseRecoverable(pos, message) { + this.raise(pos, message); + } + + /** + * Overwrites the default unexpected method to throw Esprima-style errors. + * @param {int} pos The position of the error. + * @throws {SyntaxError} A syntax error. + * @returns {void} + */ + unexpected(pos) { + let message = "Unexpected token"; + + if (pos !== null && pos !== void 0) { + this.pos = pos; + + if (this.options.locations) { + while (this.pos < this.lineStart) { + this.lineStart = this.input.lastIndexOf("\n", this.lineStart - 2) + 1; + --this.curLine; + } + } + + this.nextToken(); + } + + if (this.end > this.start) { + message += ` ${this.input.slice(this.start, this.end)}`; + } + + this.raise(this.start, message); + } + + /* + * Esprima-FB represents JSX strings as tokens called "JSXText", but Acorn-JSX + * uses regular tt.string without any distinction between this and regular JS + * strings. As such, we intercept an attempt to read a JSX string and set a flag + * on extra so that when tokens are converted, the next token will be switched + * to JSXText via onToken. + */ + jsx_readString(quote) { // eslint-disable-line camelcase -- required by API + const result = super.jsx_readString(quote); + + if (this.type === tokTypes.string) { + this[STATE].jsxAttrValueToken = true; + } + return result; + } + + /** + * Performs last-minute Esprima-specific compatibility checks and fixes. + * @param {ASTNode} result The node to check. + * @returns {ASTNode} The finished node. + */ + [ESPRIMA_FINISH_NODE](result) { + + // Acorn doesn't count the opening and closing backticks as part of templates + // so we have to adjust ranges/locations appropriately. + if (result.type === "TemplateElement") { + + // save template element references to fix start/end later + this[STATE].templateElements.push(result); + } + + if (result.type.includes("Function") && !result.generator) { + result.generator = false; + } + + return result; + } + }; +}; + +const version$1 = "10.4.0"; + +/** + * @fileoverview Main Espree file that converts Acorn into Esprima output. + * + * This file contains code from the following MIT-licensed projects: + * 1. Acorn + * 2. Babylon + * 3. Babel-ESLint + * + * This file also contains code from Esprima, which is BSD licensed. + * + * Acorn is Copyright 2012-2015 Acorn Contributors (https://github.com/marijnh/acorn/blob/master/AUTHORS) + * Babylon is Copyright 2014-2015 various contributors (https://github.com/babel/babel/blob/master/packages/babylon/AUTHORS) + * Babel-ESLint is Copyright 2014-2015 Sebastian McKenzie + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Esprima is Copyright (c) jQuery Foundation, Inc. and Contributors, All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + +// To initialize lazily. +const parsers = { + _regular: null, + _jsx: null, + + get regular() { + if (this._regular === null) { + this._regular = acorn__namespace.Parser.extend(espree()); + } + return this._regular; + }, + + get jsx() { + if (this._jsx === null) { + this._jsx = acorn__namespace.Parser.extend(jsx__default["default"](), espree()); + } + return this._jsx; + }, + + get(options) { + const useJsx = Boolean( + options && + options.ecmaFeatures && + options.ecmaFeatures.jsx + ); + + return useJsx ? this.jsx : this.regular; + } +}; + +//------------------------------------------------------------------------------ +// Tokenizer +//------------------------------------------------------------------------------ + +/** + * Tokenizes the given code. + * @param {string} code The code to tokenize. + * @param {Object} options Options defining how to tokenize. + * @returns {Token[]} An array of tokens. + * @throws {SyntaxError} If the input code is invalid. + * @private + */ +function tokenize(code, options) { + const Parser = parsers.get(options); + + // Ensure to collect tokens. + if (!options || options.tokens !== true) { + options = Object.assign({}, options, { tokens: true }); // eslint-disable-line no-param-reassign -- stylistic choice + } + + return new Parser(options, code).tokenize(); +} + +//------------------------------------------------------------------------------ +// Parser +//------------------------------------------------------------------------------ + +/** + * Parses the given code. + * @param {string} code The code to tokenize. + * @param {Object} options Options defining how to tokenize. + * @returns {ASTNode} The "Program" AST node. + * @throws {SyntaxError} If the input code is invalid. + */ +function parse(code, options) { + const Parser = parsers.get(options); + + return new Parser(options, code).parse(); +} + +//------------------------------------------------------------------------------ +// Public +//------------------------------------------------------------------------------ + +const version = version$1; +const name = "espree"; + +/* istanbul ignore next */ +const VisitorKeys = (function() { + return visitorKeys__namespace.KEYS; +}()); + +// Derive node types from VisitorKeys +/* istanbul ignore next */ +const Syntax = (function() { + let key, + types = {}; + + if (typeof Object.create === "function") { + types = Object.create(null); + } + + for (key in VisitorKeys) { + if (Object.hasOwn(VisitorKeys, key)) { + types[key] = key; + } + } + + if (typeof Object.freeze === "function") { + Object.freeze(types); + } + + return types; +}()); + +const latestEcmaVersion = getLatestEcmaVersion(); + +const supportedEcmaVersions = getSupportedEcmaVersions(); + +exports.Syntax = Syntax; +exports.VisitorKeys = VisitorKeys; +exports.latestEcmaVersion = latestEcmaVersion; +exports.name = name; +exports.parse = parse; +exports.supportedEcmaVersions = supportedEcmaVersions; +exports.tokenize = tokenize; +exports.version = version; diff --git a/module/node_modules/espree/espree.js b/module/node_modules/espree/espree.js new file mode 100644 index 000000000..15e0ce52b --- /dev/null +++ b/module/node_modules/espree/espree.js @@ -0,0 +1,174 @@ +/** + * @fileoverview Main Espree file that converts Acorn into Esprima output. + * + * This file contains code from the following MIT-licensed projects: + * 1. Acorn + * 2. Babylon + * 3. Babel-ESLint + * + * This file also contains code from Esprima, which is BSD licensed. + * + * Acorn is Copyright 2012-2015 Acorn Contributors (https://github.com/marijnh/acorn/blob/master/AUTHORS) + * Babylon is Copyright 2014-2015 various contributors (https://github.com/babel/babel/blob/master/packages/babylon/AUTHORS) + * Babel-ESLint is Copyright 2014-2015 Sebastian McKenzie + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Esprima is Copyright (c) jQuery Foundation, Inc. and Contributors, All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + +import * as acorn from "acorn"; +import jsx from "acorn-jsx"; +import espree from "./lib/espree.js"; +import espreeVersion from "./lib/version.js"; +import * as visitorKeys from "eslint-visitor-keys"; +import { getLatestEcmaVersion, getSupportedEcmaVersions } from "./lib/options.js"; + + +// To initialize lazily. +const parsers = { + _regular: null, + _jsx: null, + + get regular() { + if (this._regular === null) { + this._regular = acorn.Parser.extend(espree()); + } + return this._regular; + }, + + get jsx() { + if (this._jsx === null) { + this._jsx = acorn.Parser.extend(jsx(), espree()); + } + return this._jsx; + }, + + get(options) { + const useJsx = Boolean( + options && + options.ecmaFeatures && + options.ecmaFeatures.jsx + ); + + return useJsx ? this.jsx : this.regular; + } +}; + +//------------------------------------------------------------------------------ +// Tokenizer +//------------------------------------------------------------------------------ + +/** + * Tokenizes the given code. + * @param {string} code The code to tokenize. + * @param {Object} options Options defining how to tokenize. + * @returns {Token[]} An array of tokens. + * @throws {SyntaxError} If the input code is invalid. + * @private + */ +export function tokenize(code, options) { + const Parser = parsers.get(options); + + // Ensure to collect tokens. + if (!options || options.tokens !== true) { + options = Object.assign({}, options, { tokens: true }); // eslint-disable-line no-param-reassign -- stylistic choice + } + + return new Parser(options, code).tokenize(); +} + +//------------------------------------------------------------------------------ +// Parser +//------------------------------------------------------------------------------ + +/** + * Parses the given code. + * @param {string} code The code to tokenize. + * @param {Object} options Options defining how to tokenize. + * @returns {ASTNode} The "Program" AST node. + * @throws {SyntaxError} If the input code is invalid. + */ +export function parse(code, options) { + const Parser = parsers.get(options); + + return new Parser(options, code).parse(); +} + +//------------------------------------------------------------------------------ +// Public +//------------------------------------------------------------------------------ + +export const version = espreeVersion; +export const name = "espree"; + +/* istanbul ignore next */ +export const VisitorKeys = (function() { + return visitorKeys.KEYS; +}()); + +// Derive node types from VisitorKeys +/* istanbul ignore next */ +export const Syntax = (function() { + let key, + types = {}; + + if (typeof Object.create === "function") { + types = Object.create(null); + } + + for (key in VisitorKeys) { + if (Object.hasOwn(VisitorKeys, key)) { + types[key] = key; + } + } + + if (typeof Object.freeze === "function") { + Object.freeze(types); + } + + return types; +}()); + +export const latestEcmaVersion = getLatestEcmaVersion(); + +export const supportedEcmaVersions = getSupportedEcmaVersions(); diff --git a/module/node_modules/espree/lib/espree.js b/module/node_modules/espree/lib/espree.js new file mode 100644 index 000000000..2be1b56d3 --- /dev/null +++ b/module/node_modules/espree/lib/espree.js @@ -0,0 +1,349 @@ +/* eslint no-param-reassign: 0 -- stylistic choice */ + +import TokenTranslator from "./token-translator.js"; +import { normalizeOptions } from "./options.js"; + + +const STATE = Symbol("espree's internal state"); +const ESPRIMA_FINISH_NODE = Symbol("espree's esprimaFinishNode"); + + +/** + * Converts an Acorn comment to a Esprima comment. + * @param {boolean} block True if it's a block comment, false if not. + * @param {string} text The text of the comment. + * @param {int} start The index at which the comment starts. + * @param {int} end The index at which the comment ends. + * @param {Location} startLoc The location at which the comment starts. + * @param {Location} endLoc The location at which the comment ends. + * @param {string} code The source code being parsed. + * @returns {Object} The comment object. + * @private + */ +function convertAcornCommentToEsprimaComment(block, text, start, end, startLoc, endLoc, code) { + let type; + + if (block) { + type = "Block"; + } else if (code.slice(start, start + 2) === "#!") { + type = "Hashbang"; + } else { + type = "Line"; + } + + const comment = { + type, + value: text + }; + + if (typeof start === "number") { + comment.start = start; + comment.end = end; + comment.range = [start, end]; + } + + if (typeof startLoc === "object") { + comment.loc = { + start: startLoc, + end: endLoc + }; + } + + return comment; +} + +export default () => Parser => { + const tokTypes = Object.assign({}, Parser.acorn.tokTypes); + + if (Parser.acornJsx) { + Object.assign(tokTypes, Parser.acornJsx.tokTypes); + } + + return class Espree extends Parser { + constructor(opts, code) { + if (typeof opts !== "object" || opts === null) { + opts = {}; + } + if (typeof code !== "string" && !(code instanceof String)) { + code = String(code); + } + + // save original source type in case of commonjs + const originalSourceType = opts.sourceType; + const options = normalizeOptions(opts); + const ecmaFeatures = options.ecmaFeatures || {}; + const tokenTranslator = + options.tokens === true + ? new TokenTranslator(tokTypes, code) + : null; + + /* + * Data that is unique to Espree and is not represented internally + * in Acorn. + * + * For ES2023 hashbangs, Espree will call `onComment()` during the + * constructor, so we must define state before having access to + * `this`. + */ + const state = { + originalSourceType: originalSourceType || options.sourceType, + tokens: tokenTranslator ? [] : null, + comments: options.comment === true ? [] : null, + impliedStrict: ecmaFeatures.impliedStrict === true && options.ecmaVersion >= 5, + ecmaVersion: options.ecmaVersion, + jsxAttrValueToken: false, + lastToken: null, + templateElements: [] + }; + + // Initialize acorn parser. + super({ + + // do not use spread, because we don't want to pass any unknown options to acorn + ecmaVersion: options.ecmaVersion, + sourceType: options.sourceType, + ranges: options.ranges, + locations: options.locations, + allowReserved: options.allowReserved, + + // Truthy value is true for backward compatibility. + allowReturnOutsideFunction: options.allowReturnOutsideFunction, + + // Collect tokens + onToken(token) { + if (tokenTranslator) { + + // Use `tokens`, `ecmaVersion`, and `jsxAttrValueToken` in the state. + tokenTranslator.onToken(token, state); + } + if (token.type !== tokTypes.eof) { + state.lastToken = token; + } + }, + + // Collect comments + onComment(block, text, start, end, startLoc, endLoc) { + if (state.comments) { + const comment = convertAcornCommentToEsprimaComment(block, text, start, end, startLoc, endLoc, code); + + state.comments.push(comment); + } + } + }, code); + + /* + * We put all of this data into a symbol property as a way to avoid + * potential naming conflicts with future versions of Acorn. + */ + this[STATE] = state; + } + + tokenize() { + do { + this.next(); + } while (this.type !== tokTypes.eof); + + // Consume the final eof token + this.next(); + + const extra = this[STATE]; + const tokens = extra.tokens; + + if (extra.comments) { + tokens.comments = extra.comments; + } + + return tokens; + } + + finishNode(...args) { + const result = super.finishNode(...args); + + return this[ESPRIMA_FINISH_NODE](result); + } + + finishNodeAt(...args) { + const result = super.finishNodeAt(...args); + + return this[ESPRIMA_FINISH_NODE](result); + } + + parse() { + const extra = this[STATE]; + const program = super.parse(); + + program.sourceType = extra.originalSourceType; + + if (extra.comments) { + program.comments = extra.comments; + } + if (extra.tokens) { + program.tokens = extra.tokens; + } + + /* + * Adjust opening and closing position of program to match Esprima. + * Acorn always starts programs at range 0 whereas Esprima starts at the + * first AST node's start (the only real difference is when there's leading + * whitespace or leading comments). Acorn also counts trailing whitespace + * as part of the program whereas Esprima only counts up to the last token. + */ + if (program.body.length) { + const [firstNode] = program.body; + + if (program.range) { + program.range[0] = firstNode.range[0]; + } + if (program.loc) { + program.loc.start = firstNode.loc.start; + } + program.start = firstNode.start; + } + if (extra.lastToken) { + if (program.range) { + program.range[1] = extra.lastToken.range[1]; + } + if (program.loc) { + program.loc.end = extra.lastToken.loc.end; + } + program.end = extra.lastToken.end; + } + + + /* + * https://github.com/eslint/espree/issues/349 + * Ensure that template elements have correct range information. + * This is one location where Acorn produces a different value + * for its start and end properties vs. the values present in the + * range property. In order to avoid confusion, we set the start + * and end properties to the values that are present in range. + * This is done here, instead of in finishNode(), because Acorn + * uses the values of start and end internally while parsing, making + * it dangerous to change those values while parsing is ongoing. + * By waiting until the end of parsing, we can safely change these + * values without affect any other part of the process. + */ + this[STATE].templateElements.forEach(templateElement => { + const startOffset = -1; + const endOffset = templateElement.tail ? 1 : 2; + + templateElement.start += startOffset; + templateElement.end += endOffset; + + if (templateElement.range) { + templateElement.range[0] += startOffset; + templateElement.range[1] += endOffset; + } + + if (templateElement.loc) { + templateElement.loc.start.column += startOffset; + templateElement.loc.end.column += endOffset; + } + }); + + return program; + } + + parseTopLevel(node) { + if (this[STATE].impliedStrict) { + this.strict = true; + } + return super.parseTopLevel(node); + } + + /** + * Overwrites the default raise method to throw Esprima-style errors. + * @param {int} pos The position of the error. + * @param {string} message The error message. + * @throws {SyntaxError} A syntax error. + * @returns {void} + */ + raise(pos, message) { + const loc = Parser.acorn.getLineInfo(this.input, pos); + const err = new SyntaxError(message); + + err.index = pos; + err.lineNumber = loc.line; + err.column = loc.column + 1; // acorn uses 0-based columns + throw err; + } + + /** + * Overwrites the default raise method to throw Esprima-style errors. + * @param {int} pos The position of the error. + * @param {string} message The error message. + * @throws {SyntaxError} A syntax error. + * @returns {void} + */ + raiseRecoverable(pos, message) { + this.raise(pos, message); + } + + /** + * Overwrites the default unexpected method to throw Esprima-style errors. + * @param {int} pos The position of the error. + * @throws {SyntaxError} A syntax error. + * @returns {void} + */ + unexpected(pos) { + let message = "Unexpected token"; + + if (pos !== null && pos !== void 0) { + this.pos = pos; + + if (this.options.locations) { + while (this.pos < this.lineStart) { + this.lineStart = this.input.lastIndexOf("\n", this.lineStart - 2) + 1; + --this.curLine; + } + } + + this.nextToken(); + } + + if (this.end > this.start) { + message += ` ${this.input.slice(this.start, this.end)}`; + } + + this.raise(this.start, message); + } + + /* + * Esprima-FB represents JSX strings as tokens called "JSXText", but Acorn-JSX + * uses regular tt.string without any distinction between this and regular JS + * strings. As such, we intercept an attempt to read a JSX string and set a flag + * on extra so that when tokens are converted, the next token will be switched + * to JSXText via onToken. + */ + jsx_readString(quote) { // eslint-disable-line camelcase -- required by API + const result = super.jsx_readString(quote); + + if (this.type === tokTypes.string) { + this[STATE].jsxAttrValueToken = true; + } + return result; + } + + /** + * Performs last-minute Esprima-specific compatibility checks and fixes. + * @param {ASTNode} result The node to check. + * @returns {ASTNode} The finished node. + */ + [ESPRIMA_FINISH_NODE](result) { + + // Acorn doesn't count the opening and closing backticks as part of templates + // so we have to adjust ranges/locations appropriately. + if (result.type === "TemplateElement") { + + // save template element references to fix start/end later + this[STATE].templateElements.push(result); + } + + if (result.type.includes("Function") && !result.generator) { + result.generator = false; + } + + return result; + } + }; +}; diff --git a/module/node_modules/espree/lib/features.js b/module/node_modules/espree/lib/features.js new file mode 100644 index 000000000..31467d288 --- /dev/null +++ b/module/node_modules/espree/lib/features.js @@ -0,0 +1,27 @@ +/** + * @fileoverview The list of feature flags supported by the parser and their default + * settings. + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +// None! + +//------------------------------------------------------------------------------ +// Public +//------------------------------------------------------------------------------ + +export default { + + // React JSX parsing + jsx: false, + + // allow return statement in global scope + globalReturn: false, + + // allow implied strict mode + impliedStrict: false +}; diff --git a/module/node_modules/espree/lib/options.js b/module/node_modules/espree/lib/options.js new file mode 100644 index 000000000..85bb9029f --- /dev/null +++ b/module/node_modules/espree/lib/options.js @@ -0,0 +1,125 @@ +/** + * @fileoverview A collection of methods for processing Espree's options. + * @author Kai Cataldo + */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const SUPPORTED_VERSIONS = [ + 3, + 5, + 6, // 2015 + 7, // 2016 + 8, // 2017 + 9, // 2018 + 10, // 2019 + 11, // 2020 + 12, // 2021 + 13, // 2022 + 14, // 2023 + 15, // 2024 + 16, // 2025 + 17 // 2026 +]; + +/** + * Get the latest ECMAScript version supported by Espree. + * @returns {number} The latest ECMAScript version. + */ +export function getLatestEcmaVersion() { + return SUPPORTED_VERSIONS.at(-1); +} + +/** + * Get the list of ECMAScript versions supported by Espree. + * @returns {number[]} An array containing the supported ECMAScript versions. + */ +export function getSupportedEcmaVersions() { + return [...SUPPORTED_VERSIONS]; +} + +/** + * Normalize ECMAScript version from the initial config + * @param {(number|"latest")} ecmaVersion ECMAScript version from the initial config + * @throws {Error} throws an error if the ecmaVersion is invalid. + * @returns {number} normalized ECMAScript version + */ +function normalizeEcmaVersion(ecmaVersion = 5) { + + let version = ecmaVersion === "latest" ? getLatestEcmaVersion() : ecmaVersion; + + if (typeof version !== "number") { + throw new Error(`ecmaVersion must be a number or "latest". Received value of type ${typeof ecmaVersion} instead.`); + } + + // Calculate ECMAScript edition number from official year version starting with + // ES2015, which corresponds with ES6 (or a difference of 2009). + if (version >= 2015) { + version -= 2009; + } + + if (!SUPPORTED_VERSIONS.includes(version)) { + throw new Error("Invalid ecmaVersion."); + } + + return version; +} + +/** + * Normalize sourceType from the initial config + * @param {string} sourceType to normalize + * @throws {Error} throw an error if sourceType is invalid + * @returns {string} normalized sourceType + */ +function normalizeSourceType(sourceType = "script") { + if (sourceType === "script" || sourceType === "module") { + return sourceType; + } + + if (sourceType === "commonjs") { + return "script"; + } + + throw new Error("Invalid sourceType."); +} + +/** + * Normalize parserOptions + * @param {Object} options the parser options to normalize + * @throws {Error} throw an error if found invalid option. + * @returns {Object} normalized options + */ +export function normalizeOptions(options) { + const ecmaVersion = normalizeEcmaVersion(options.ecmaVersion); + const sourceType = normalizeSourceType(options.sourceType); + const ranges = options.range === true; + const locations = options.loc === true; + + if (ecmaVersion !== 3 && options.allowReserved) { + + // a value of `false` is intentionally allowed here, so a shared config can overwrite it when needed + throw new Error("`allowReserved` is only supported when ecmaVersion is 3"); + } + if (typeof options.allowReserved !== "undefined" && typeof options.allowReserved !== "boolean") { + throw new Error("`allowReserved`, when present, must be `true` or `false`"); + } + const allowReserved = ecmaVersion === 3 ? (options.allowReserved || "never") : false; + const ecmaFeatures = options.ecmaFeatures || {}; + const allowReturnOutsideFunction = options.sourceType === "commonjs" || + Boolean(ecmaFeatures.globalReturn); + + if (sourceType === "module" && ecmaVersion < 6) { + throw new Error("sourceType 'module' is not supported when ecmaVersion < 2015. Consider adding `{ ecmaVersion: 2015 }` to the parser options."); + } + + return Object.assign({}, options, { + ecmaVersion, + sourceType, + ranges, + locations, + allowReserved, + allowReturnOutsideFunction + }); +} diff --git a/module/node_modules/espree/lib/token-translator.js b/module/node_modules/espree/lib/token-translator.js new file mode 100644 index 000000000..6daf865a3 --- /dev/null +++ b/module/node_modules/espree/lib/token-translator.js @@ -0,0 +1,263 @@ +/** + * @fileoverview Translates tokens between Acorn format and Esprima format. + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Requirements +//------------------------------------------------------------------------------ + +// none! + +//------------------------------------------------------------------------------ +// Private +//------------------------------------------------------------------------------ + + +// Esprima Token Types +const Token = { + Boolean: "Boolean", + EOF: "", + Identifier: "Identifier", + PrivateIdentifier: "PrivateIdentifier", + Keyword: "Keyword", + Null: "Null", + Numeric: "Numeric", + Punctuator: "Punctuator", + String: "String", + RegularExpression: "RegularExpression", + Template: "Template", + JSXIdentifier: "JSXIdentifier", + JSXText: "JSXText" +}; + +/** + * Converts part of a template into an Esprima token. + * @param {AcornToken[]} tokens The Acorn tokens representing the template. + * @param {string} code The source code. + * @returns {EsprimaToken} The Esprima equivalent of the template token. + * @private + */ +function convertTemplatePart(tokens, code) { + const firstToken = tokens[0], + lastTemplateToken = tokens.at(-1); + + const token = { + type: Token.Template, + value: code.slice(firstToken.start, lastTemplateToken.end) + }; + + if (firstToken.loc) { + token.loc = { + start: firstToken.loc.start, + end: lastTemplateToken.loc.end + }; + } + + if (firstToken.range) { + token.start = firstToken.range[0]; + token.end = lastTemplateToken.range[1]; + token.range = [token.start, token.end]; + } + + return token; +} + +/** + * Contains logic to translate Acorn tokens into Esprima tokens. + * @param {Object} acornTokTypes The Acorn token types. + * @param {string} code The source code Acorn is parsing. This is necessary + * to correct the "value" property of some tokens. + * @constructor + */ +function TokenTranslator(acornTokTypes, code) { + + // token types + this._acornTokTypes = acornTokTypes; + + // token buffer for templates + this._tokens = []; + + // track the last curly brace + this._curlyBrace = null; + + // the source code + this._code = code; + +} + +TokenTranslator.prototype = { + constructor: TokenTranslator, + + /** + * Translates a single Esprima token to a single Acorn token. This may be + * inaccurate due to how templates are handled differently in Esprima and + * Acorn, but should be accurate for all other tokens. + * @param {AcornToken} token The Acorn token to translate. + * @param {Object} extra Espree extra object. + * @returns {EsprimaToken} The Esprima version of the token. + */ + translate(token, extra) { + + const type = token.type, + tt = this._acornTokTypes; + + if (type === tt.name) { + token.type = Token.Identifier; + + // TODO: See if this is an Acorn bug + if (token.value === "static") { + token.type = Token.Keyword; + } + + if (extra.ecmaVersion > 5 && (token.value === "yield" || token.value === "let")) { + token.type = Token.Keyword; + } + + } else if (type === tt.privateId) { + token.type = Token.PrivateIdentifier; + + } else if (type === tt.semi || type === tt.comma || + type === tt.parenL || type === tt.parenR || + type === tt.braceL || type === tt.braceR || + type === tt.dot || type === tt.bracketL || + type === tt.colon || type === tt.question || + type === tt.bracketR || type === tt.ellipsis || + type === tt.arrow || type === tt.jsxTagStart || + type === tt.incDec || type === tt.starstar || + type === tt.jsxTagEnd || type === tt.prefix || + type === tt.questionDot || + (type.binop && !type.keyword) || + type.isAssign) { + + token.type = Token.Punctuator; + token.value = this._code.slice(token.start, token.end); + } else if (type === tt.jsxName) { + token.type = Token.JSXIdentifier; + } else if (type.label === "jsxText" || type === tt.jsxAttrValueToken) { + token.type = Token.JSXText; + } else if (type.keyword) { + if (type.keyword === "true" || type.keyword === "false") { + token.type = Token.Boolean; + } else if (type.keyword === "null") { + token.type = Token.Null; + } else { + token.type = Token.Keyword; + } + } else if (type === tt.num) { + token.type = Token.Numeric; + token.value = this._code.slice(token.start, token.end); + } else if (type === tt.string) { + + if (extra.jsxAttrValueToken) { + extra.jsxAttrValueToken = false; + token.type = Token.JSXText; + } else { + token.type = Token.String; + } + + token.value = this._code.slice(token.start, token.end); + } else if (type === tt.regexp) { + token.type = Token.RegularExpression; + const value = token.value; + + token.regex = { + flags: value.flags, + pattern: value.pattern + }; + token.value = `/${value.pattern}/${value.flags}`; + } + + return token; + }, + + /** + * Function to call during Acorn's onToken handler. + * @param {AcornToken} token The Acorn token. + * @param {Object} extra The Espree extra object. + * @returns {void} + */ + onToken(token, extra) { + + const tt = this._acornTokTypes, + tokens = extra.tokens, + templateTokens = this._tokens; + + /** + * Flushes the buffered template tokens and resets the template + * tracking. + * @returns {void} + * @private + */ + const translateTemplateTokens = () => { + tokens.push(convertTemplatePart(this._tokens, this._code)); + this._tokens = []; + }; + + if (token.type === tt.eof) { + + // might be one last curlyBrace + if (this._curlyBrace) { + tokens.push(this.translate(this._curlyBrace, extra)); + } + + return; + } + + if (token.type === tt.backQuote) { + + // if there's already a curly, it's not part of the template + if (this._curlyBrace) { + tokens.push(this.translate(this._curlyBrace, extra)); + this._curlyBrace = null; + } + + templateTokens.push(token); + + // it's the end + if (templateTokens.length > 1) { + translateTemplateTokens(); + } + + return; + } + if (token.type === tt.dollarBraceL) { + templateTokens.push(token); + translateTemplateTokens(); + return; + } + if (token.type === tt.braceR) { + + // if there's already a curly, it's not part of the template + if (this._curlyBrace) { + tokens.push(this.translate(this._curlyBrace, extra)); + } + + // store new curly for later + this._curlyBrace = token; + return; + } + if (token.type === tt.template || token.type === tt.invalidTemplate) { + if (this._curlyBrace) { + templateTokens.push(this._curlyBrace); + this._curlyBrace = null; + } + + templateTokens.push(token); + return; + } + + if (this._curlyBrace) { + tokens.push(this.translate(this._curlyBrace, extra)); + this._curlyBrace = null; + } + + tokens.push(this.translate(token, extra)); + } +}; + +//------------------------------------------------------------------------------ +// Public +//------------------------------------------------------------------------------ + +export default TokenTranslator; diff --git a/module/node_modules/espree/lib/version.js b/module/node_modules/espree/lib/version.js new file mode 100644 index 000000000..26f3eced6 --- /dev/null +++ b/module/node_modules/espree/lib/version.js @@ -0,0 +1,3 @@ +const version = "10.4.0"; + +export default version; diff --git a/module/node_modules/espree/package.json b/module/node_modules/espree/package.json new file mode 100644 index 000000000..20b6dc6f2 --- /dev/null +++ b/module/node_modules/espree/package.json @@ -0,0 +1,77 @@ +{ + "name": "espree", + "description": "An Esprima-compatible JavaScript parser built on Acorn", + "author": "Nicholas C. Zakas ", + "homepage": "https://github.com/eslint/js/blob/main/packages/espree/README.md", + "main": "dist/espree.cjs", + "type": "module", + "exports": { + ".": [ + { + "import": "./espree.js", + "require": "./dist/espree.cjs", + "default": "./dist/espree.cjs" + }, + "./dist/espree.cjs" + ], + "./package.json": "./package.json" + }, + "version": "10.4.0", + "files": [ + "lib", + "dist/espree.cjs", + "espree.js" + ], + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + }, + "repository": { + "type": "git", + "url": "https://github.com/eslint/js.git", + "directory": "packages/espree" + }, + "bugs": { + "url": "https://github.com/eslint/js/issues" + }, + "funding": "https://opencollective.com/eslint", + "license": "BSD-2-Clause", + "dependencies": { + "acorn": "^8.15.0", + "acorn-jsx": "^5.3.2", + "eslint-visitor-keys": "^4.2.1" + }, + "devDependencies": { + "@rollup/plugin-commonjs": "^28.0.0", + "@rollup/plugin-json": "^6.1.0", + "@rollup/plugin-node-resolve": "^15.3.0", + "eslint-release": "^3.2.0", + "esprima-fb": "^8001.2001.0-dev-harmony-fb", + "npm-run-all2": "^6.2.2", + "rollup": "^2.79.1", + "shelljs": "^0.8.5" + }, + "keywords": [ + "ast", + "ecmascript", + "javascript", + "parser", + "syntax", + "acorn" + ], + "scripts": { + "build": "rollup -c rollup.config.js", + "build:debug": "npm run build -- -m", + "build:docs": "node tools/sync-docs.js", + "build:update-version": "node tools/update-version.js", + "prepublishOnly": "npm run build:update-version && npm run build", + "pretest": "npm run build", + "release:generate:latest": "eslint-generate-release", + "release:generate:alpha": "eslint-generate-prerelease alpha", + "release:generate:beta": "eslint-generate-prerelease beta", + "release:generate:rc": "eslint-generate-prerelease rc", + "release:publish": "eslint-publish-release", + "test": "npm-run-all -s test:*", + "test:cjs": "mocha --color --reporter progress --timeout 30000 tests/lib/commonjs.cjs", + "test:esm": "c8 mocha --color --reporter progress --timeout 30000 tests/lib/**/*.js" + } +} diff --git a/module/node_modules/esquery/README.md b/module/node_modules/esquery/README.md new file mode 100644 index 000000000..16809a790 --- /dev/null +++ b/module/node_modules/esquery/README.md @@ -0,0 +1,27 @@ +ESQuery is a library for querying the AST output by Esprima for patterns of syntax using a CSS style selector system. Check out the demo: + +[demo](https://estools.github.io/esquery/) + +The following selectors are supported: +* AST node type: `ForStatement` +* [wildcard](http://dev.w3.org/csswg/selectors4/#universal-selector): `*` +* [attribute existence](http://dev.w3.org/csswg/selectors4/#attribute-selectors): `[attr]` +* [attribute value](http://dev.w3.org/csswg/selectors4/#attribute-selectors): `[attr="foo"]` or `[attr=123]` +* attribute regex: `[attr=/foo.*/]` or (with flags) `[attr=/foo.*/is]` +* attribute conditions: `[attr!="foo"]`, `[attr>2]`, `[attr<3]`, `[attr>=2]`, or `[attr<=3]` +* nested attribute: `[attr.level2="foo"]` +* field: `FunctionDeclaration > Identifier.id` +* [First](http://dev.w3.org/csswg/selectors4/#the-first-child-pseudo) or [last](http://dev.w3.org/csswg/selectors4/#the-last-child-pseudo) child: `:first-child` or `:last-child` +* [nth-child](http://dev.w3.org/csswg/selectors4/#the-nth-child-pseudo) (no ax+b support): `:nth-child(2)` +* [nth-last-child](http://dev.w3.org/csswg/selectors4/#the-nth-last-child-pseudo) (no ax+b support): `:nth-last-child(1)` +* [descendant](http://dev.w3.org/csswg/selectors4/#descendant-combinators): `ancestor descendant` +* [child](http://dev.w3.org/csswg/selectors4/#child-combinators): `parent > child` +* [following sibling](http://dev.w3.org/csswg/selectors4/#general-sibling-combinators): `node ~ sibling` +* [adjacent sibling](http://dev.w3.org/csswg/selectors4/#adjacent-sibling-combinators): `node + adjacent` +* [negation](http://dev.w3.org/csswg/selectors4/#negation-pseudo): `:not(ForStatement)` +* [has](https://drafts.csswg.org/selectors-4/#has-pseudo): `:has(ForStatement)`, `:has(> ForStatement)` +* [matches-any](http://dev.w3.org/csswg/selectors4/#matches): `:matches([attr] > :first-child, :last-child)` +* [subject indicator](http://dev.w3.org/csswg/selectors4/#subject): `!IfStatement > [name="foo"]` +* class of AST node: `:statement`, `:expression`, `:declaration`, `:function`, or `:pattern` + +[![Build Status](https://travis-ci.org/estools/esquery.png?branch=master)](https://travis-ci.org/estools/esquery) diff --git a/module/node_modules/esquery/dist/esquery.esm.js b/module/node_modules/esquery/dist/esquery.esm.js new file mode 100644 index 000000000..61caabaf2 --- /dev/null +++ b/module/node_modules/esquery/dist/esquery.esm.js @@ -0,0 +1,4172 @@ +function _iterableToArrayLimit(arr, i) { + var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; + if (null != _i) { + var _s, + _e, + _x, + _r, + _arr = [], + _n = !0, + _d = !1; + try { + if (_x = (_i = _i.call(arr)).next, 0 === i) { + if (Object(_i) !== _i) return; + _n = !1; + } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); + } catch (err) { + _d = !0, _e = err; + } finally { + try { + if (!_n && null != _i.return && (_r = _i.return(), Object(_r) !== _r)) return; + } finally { + if (_d) throw _e; + } + } + return _arr; + } +} +function _typeof(obj) { + "@babel/helpers - typeof"; + + return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { + return typeof obj; + } : function (obj) { + return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; + }, _typeof(obj); +} +function _slicedToArray(arr, i) { + return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); +} +function _toConsumableArray(arr) { + return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); +} +function _arrayWithoutHoles(arr) { + if (Array.isArray(arr)) return _arrayLikeToArray(arr); +} +function _arrayWithHoles(arr) { + if (Array.isArray(arr)) return arr; +} +function _iterableToArray(iter) { + if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); +} +function _unsupportedIterableToArray(o, minLen) { + if (!o) return; + if (typeof o === "string") return _arrayLikeToArray(o, minLen); + var n = Object.prototype.toString.call(o).slice(8, -1); + if (n === "Object" && o.constructor) n = o.constructor.name; + if (n === "Map" || n === "Set") return Array.from(o); + if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); +} +function _arrayLikeToArray(arr, len) { + if (len == null || len > arr.length) len = arr.length; + for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; + return arr2; +} +function _nonIterableSpread() { + throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); +} +function _nonIterableRest() { + throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); +} + +var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; + +function createCommonjsModule(fn, module) { + return module = { exports: {} }, fn(module, module.exports), module.exports; +} + +var estraverse = createCommonjsModule(function (module, exports) { + /* + Copyright (C) 2012-2013 Yusuke Suzuki + Copyright (C) 2012 Ariya Hidayat + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + /*jslint vars:false, bitwise:true*/ + /*jshint indent:4*/ + /*global exports:true*/ + (function clone(exports) { + + var Syntax, VisitorOption, VisitorKeys, BREAK, SKIP, REMOVE; + function deepCopy(obj) { + var ret = {}, + key, + val; + for (key in obj) { + if (obj.hasOwnProperty(key)) { + val = obj[key]; + if (typeof val === 'object' && val !== null) { + ret[key] = deepCopy(val); + } else { + ret[key] = val; + } + } + } + return ret; + } + + // based on LLVM libc++ upper_bound / lower_bound + // MIT License + + function upperBound(array, func) { + var diff, len, i, current; + len = array.length; + i = 0; + while (len) { + diff = len >>> 1; + current = i + diff; + if (func(array[current])) { + len = diff; + } else { + i = current + 1; + len -= diff + 1; + } + } + return i; + } + Syntax = { + AssignmentExpression: 'AssignmentExpression', + AssignmentPattern: 'AssignmentPattern', + ArrayExpression: 'ArrayExpression', + ArrayPattern: 'ArrayPattern', + ArrowFunctionExpression: 'ArrowFunctionExpression', + AwaitExpression: 'AwaitExpression', + // CAUTION: It's deferred to ES7. + BlockStatement: 'BlockStatement', + BinaryExpression: 'BinaryExpression', + BreakStatement: 'BreakStatement', + CallExpression: 'CallExpression', + CatchClause: 'CatchClause', + ChainExpression: 'ChainExpression', + ClassBody: 'ClassBody', + ClassDeclaration: 'ClassDeclaration', + ClassExpression: 'ClassExpression', + ComprehensionBlock: 'ComprehensionBlock', + // CAUTION: It's deferred to ES7. + ComprehensionExpression: 'ComprehensionExpression', + // CAUTION: It's deferred to ES7. + ConditionalExpression: 'ConditionalExpression', + ContinueStatement: 'ContinueStatement', + DebuggerStatement: 'DebuggerStatement', + DirectiveStatement: 'DirectiveStatement', + DoWhileStatement: 'DoWhileStatement', + EmptyStatement: 'EmptyStatement', + ExportAllDeclaration: 'ExportAllDeclaration', + ExportDefaultDeclaration: 'ExportDefaultDeclaration', + ExportNamedDeclaration: 'ExportNamedDeclaration', + ExportSpecifier: 'ExportSpecifier', + ExpressionStatement: 'ExpressionStatement', + ForStatement: 'ForStatement', + ForInStatement: 'ForInStatement', + ForOfStatement: 'ForOfStatement', + FunctionDeclaration: 'FunctionDeclaration', + FunctionExpression: 'FunctionExpression', + GeneratorExpression: 'GeneratorExpression', + // CAUTION: It's deferred to ES7. + Identifier: 'Identifier', + IfStatement: 'IfStatement', + ImportExpression: 'ImportExpression', + ImportDeclaration: 'ImportDeclaration', + ImportDefaultSpecifier: 'ImportDefaultSpecifier', + ImportNamespaceSpecifier: 'ImportNamespaceSpecifier', + ImportSpecifier: 'ImportSpecifier', + Literal: 'Literal', + LabeledStatement: 'LabeledStatement', + LogicalExpression: 'LogicalExpression', + MemberExpression: 'MemberExpression', + MetaProperty: 'MetaProperty', + MethodDefinition: 'MethodDefinition', + ModuleSpecifier: 'ModuleSpecifier', + NewExpression: 'NewExpression', + ObjectExpression: 'ObjectExpression', + ObjectPattern: 'ObjectPattern', + PrivateIdentifier: 'PrivateIdentifier', + Program: 'Program', + Property: 'Property', + PropertyDefinition: 'PropertyDefinition', + RestElement: 'RestElement', + ReturnStatement: 'ReturnStatement', + SequenceExpression: 'SequenceExpression', + SpreadElement: 'SpreadElement', + Super: 'Super', + SwitchStatement: 'SwitchStatement', + SwitchCase: 'SwitchCase', + TaggedTemplateExpression: 'TaggedTemplateExpression', + TemplateElement: 'TemplateElement', + TemplateLiteral: 'TemplateLiteral', + ThisExpression: 'ThisExpression', + ThrowStatement: 'ThrowStatement', + TryStatement: 'TryStatement', + UnaryExpression: 'UnaryExpression', + UpdateExpression: 'UpdateExpression', + VariableDeclaration: 'VariableDeclaration', + VariableDeclarator: 'VariableDeclarator', + WhileStatement: 'WhileStatement', + WithStatement: 'WithStatement', + YieldExpression: 'YieldExpression' + }; + VisitorKeys = { + AssignmentExpression: ['left', 'right'], + AssignmentPattern: ['left', 'right'], + ArrayExpression: ['elements'], + ArrayPattern: ['elements'], + ArrowFunctionExpression: ['params', 'body'], + AwaitExpression: ['argument'], + // CAUTION: It's deferred to ES7. + BlockStatement: ['body'], + BinaryExpression: ['left', 'right'], + BreakStatement: ['label'], + CallExpression: ['callee', 'arguments'], + CatchClause: ['param', 'body'], + ChainExpression: ['expression'], + ClassBody: ['body'], + ClassDeclaration: ['id', 'superClass', 'body'], + ClassExpression: ['id', 'superClass', 'body'], + ComprehensionBlock: ['left', 'right'], + // CAUTION: It's deferred to ES7. + ComprehensionExpression: ['blocks', 'filter', 'body'], + // CAUTION: It's deferred to ES7. + ConditionalExpression: ['test', 'consequent', 'alternate'], + ContinueStatement: ['label'], + DebuggerStatement: [], + DirectiveStatement: [], + DoWhileStatement: ['body', 'test'], + EmptyStatement: [], + ExportAllDeclaration: ['source'], + ExportDefaultDeclaration: ['declaration'], + ExportNamedDeclaration: ['declaration', 'specifiers', 'source'], + ExportSpecifier: ['exported', 'local'], + ExpressionStatement: ['expression'], + ForStatement: ['init', 'test', 'update', 'body'], + ForInStatement: ['left', 'right', 'body'], + ForOfStatement: ['left', 'right', 'body'], + FunctionDeclaration: ['id', 'params', 'body'], + FunctionExpression: ['id', 'params', 'body'], + GeneratorExpression: ['blocks', 'filter', 'body'], + // CAUTION: It's deferred to ES7. + Identifier: [], + IfStatement: ['test', 'consequent', 'alternate'], + ImportExpression: ['source'], + ImportDeclaration: ['specifiers', 'source'], + ImportDefaultSpecifier: ['local'], + ImportNamespaceSpecifier: ['local'], + ImportSpecifier: ['imported', 'local'], + Literal: [], + LabeledStatement: ['label', 'body'], + LogicalExpression: ['left', 'right'], + MemberExpression: ['object', 'property'], + MetaProperty: ['meta', 'property'], + MethodDefinition: ['key', 'value'], + ModuleSpecifier: [], + NewExpression: ['callee', 'arguments'], + ObjectExpression: ['properties'], + ObjectPattern: ['properties'], + PrivateIdentifier: [], + Program: ['body'], + Property: ['key', 'value'], + PropertyDefinition: ['key', 'value'], + RestElement: ['argument'], + ReturnStatement: ['argument'], + SequenceExpression: ['expressions'], + SpreadElement: ['argument'], + Super: [], + SwitchStatement: ['discriminant', 'cases'], + SwitchCase: ['test', 'consequent'], + TaggedTemplateExpression: ['tag', 'quasi'], + TemplateElement: [], + TemplateLiteral: ['quasis', 'expressions'], + ThisExpression: [], + ThrowStatement: ['argument'], + TryStatement: ['block', 'handler', 'finalizer'], + UnaryExpression: ['argument'], + UpdateExpression: ['argument'], + VariableDeclaration: ['declarations'], + VariableDeclarator: ['id', 'init'], + WhileStatement: ['test', 'body'], + WithStatement: ['object', 'body'], + YieldExpression: ['argument'] + }; + + // unique id + BREAK = {}; + SKIP = {}; + REMOVE = {}; + VisitorOption = { + Break: BREAK, + Skip: SKIP, + Remove: REMOVE + }; + function Reference(parent, key) { + this.parent = parent; + this.key = key; + } + Reference.prototype.replace = function replace(node) { + this.parent[this.key] = node; + }; + Reference.prototype.remove = function remove() { + if (Array.isArray(this.parent)) { + this.parent.splice(this.key, 1); + return true; + } else { + this.replace(null); + return false; + } + }; + function Element(node, path, wrap, ref) { + this.node = node; + this.path = path; + this.wrap = wrap; + this.ref = ref; + } + function Controller() {} + + // API: + // return property path array from root to current node + Controller.prototype.path = function path() { + var i, iz, j, jz, result, element; + function addToPath(result, path) { + if (Array.isArray(path)) { + for (j = 0, jz = path.length; j < jz; ++j) { + result.push(path[j]); + } + } else { + result.push(path); + } + } + + // root node + if (!this.__current.path) { + return null; + } + + // first node is sentinel, second node is root element + result = []; + for (i = 2, iz = this.__leavelist.length; i < iz; ++i) { + element = this.__leavelist[i]; + addToPath(result, element.path); + } + addToPath(result, this.__current.path); + return result; + }; + + // API: + // return type of current node + Controller.prototype.type = function () { + var node = this.current(); + return node.type || this.__current.wrap; + }; + + // API: + // return array of parent elements + Controller.prototype.parents = function parents() { + var i, iz, result; + + // first node is sentinel + result = []; + for (i = 1, iz = this.__leavelist.length; i < iz; ++i) { + result.push(this.__leavelist[i].node); + } + return result; + }; + + // API: + // return current node + Controller.prototype.current = function current() { + return this.__current.node; + }; + Controller.prototype.__execute = function __execute(callback, element) { + var previous, result; + result = undefined; + previous = this.__current; + this.__current = element; + this.__state = null; + if (callback) { + result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node); + } + this.__current = previous; + return result; + }; + + // API: + // notify control skip / break + Controller.prototype.notify = function notify(flag) { + this.__state = flag; + }; + + // API: + // skip child nodes of current node + Controller.prototype.skip = function () { + this.notify(SKIP); + }; + + // API: + // break traversals + Controller.prototype['break'] = function () { + this.notify(BREAK); + }; + + // API: + // remove node + Controller.prototype.remove = function () { + this.notify(REMOVE); + }; + Controller.prototype.__initialize = function (root, visitor) { + this.visitor = visitor; + this.root = root; + this.__worklist = []; + this.__leavelist = []; + this.__current = null; + this.__state = null; + this.__fallback = null; + if (visitor.fallback === 'iteration') { + this.__fallback = Object.keys; + } else if (typeof visitor.fallback === 'function') { + this.__fallback = visitor.fallback; + } + this.__keys = VisitorKeys; + if (visitor.keys) { + this.__keys = Object.assign(Object.create(this.__keys), visitor.keys); + } + }; + function isNode(node) { + if (node == null) { + return false; + } + return typeof node === 'object' && typeof node.type === 'string'; + } + function isProperty(nodeType, key) { + return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key; + } + function candidateExistsInLeaveList(leavelist, candidate) { + for (var i = leavelist.length - 1; i >= 0; --i) { + if (leavelist[i].node === candidate) { + return true; + } + } + return false; + } + Controller.prototype.traverse = function traverse(root, visitor) { + var worklist, leavelist, element, node, nodeType, ret, key, current, current2, candidates, candidate, sentinel; + this.__initialize(root, visitor); + sentinel = {}; + + // reference + worklist = this.__worklist; + leavelist = this.__leavelist; + + // initialize + worklist.push(new Element(root, null, null, null)); + leavelist.push(new Element(null, null, null, null)); + while (worklist.length) { + element = worklist.pop(); + if (element === sentinel) { + element = leavelist.pop(); + ret = this.__execute(visitor.leave, element); + if (this.__state === BREAK || ret === BREAK) { + return; + } + continue; + } + if (element.node) { + ret = this.__execute(visitor.enter, element); + if (this.__state === BREAK || ret === BREAK) { + return; + } + worklist.push(sentinel); + leavelist.push(element); + if (this.__state === SKIP || ret === SKIP) { + continue; + } + node = element.node; + nodeType = node.type || element.wrap; + candidates = this.__keys[nodeType]; + if (!candidates) { + if (this.__fallback) { + candidates = this.__fallback(node); + } else { + throw new Error('Unknown node type ' + nodeType + '.'); + } + } + current = candidates.length; + while ((current -= 1) >= 0) { + key = candidates[current]; + candidate = node[key]; + if (!candidate) { + continue; + } + if (Array.isArray(candidate)) { + current2 = candidate.length; + while ((current2 -= 1) >= 0) { + if (!candidate[current2]) { + continue; + } + if (candidateExistsInLeaveList(leavelist, candidate[current2])) { + continue; + } + if (isProperty(nodeType, candidates[current])) { + element = new Element(candidate[current2], [key, current2], 'Property', null); + } else if (isNode(candidate[current2])) { + element = new Element(candidate[current2], [key, current2], null, null); + } else { + continue; + } + worklist.push(element); + } + } else if (isNode(candidate)) { + if (candidateExistsInLeaveList(leavelist, candidate)) { + continue; + } + worklist.push(new Element(candidate, key, null, null)); + } + } + } + } + }; + Controller.prototype.replace = function replace(root, visitor) { + var worklist, leavelist, node, nodeType, target, element, current, current2, candidates, candidate, sentinel, outer, key; + function removeElem(element) { + var i, key, nextElem, parent; + if (element.ref.remove()) { + // When the reference is an element of an array. + key = element.ref.key; + parent = element.ref.parent; + + // If removed from array, then decrease following items' keys. + i = worklist.length; + while (i--) { + nextElem = worklist[i]; + if (nextElem.ref && nextElem.ref.parent === parent) { + if (nextElem.ref.key < key) { + break; + } + --nextElem.ref.key; + } + } + } + } + this.__initialize(root, visitor); + sentinel = {}; + + // reference + worklist = this.__worklist; + leavelist = this.__leavelist; + + // initialize + outer = { + root: root + }; + element = new Element(root, null, null, new Reference(outer, 'root')); + worklist.push(element); + leavelist.push(element); + while (worklist.length) { + element = worklist.pop(); + if (element === sentinel) { + element = leavelist.pop(); + target = this.__execute(visitor.leave, element); + + // node may be replaced with null, + // so distinguish between undefined and null in this place + if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) { + // replace + element.ref.replace(target); + } + if (this.__state === REMOVE || target === REMOVE) { + removeElem(element); + } + if (this.__state === BREAK || target === BREAK) { + return outer.root; + } + continue; + } + target = this.__execute(visitor.enter, element); + + // node may be replaced with null, + // so distinguish between undefined and null in this place + if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) { + // replace + element.ref.replace(target); + element.node = target; + } + if (this.__state === REMOVE || target === REMOVE) { + removeElem(element); + element.node = null; + } + if (this.__state === BREAK || target === BREAK) { + return outer.root; + } + + // node may be null + node = element.node; + if (!node) { + continue; + } + worklist.push(sentinel); + leavelist.push(element); + if (this.__state === SKIP || target === SKIP) { + continue; + } + nodeType = node.type || element.wrap; + candidates = this.__keys[nodeType]; + if (!candidates) { + if (this.__fallback) { + candidates = this.__fallback(node); + } else { + throw new Error('Unknown node type ' + nodeType + '.'); + } + } + current = candidates.length; + while ((current -= 1) >= 0) { + key = candidates[current]; + candidate = node[key]; + if (!candidate) { + continue; + } + if (Array.isArray(candidate)) { + current2 = candidate.length; + while ((current2 -= 1) >= 0) { + if (!candidate[current2]) { + continue; + } + if (isProperty(nodeType, candidates[current])) { + element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2)); + } else if (isNode(candidate[current2])) { + element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2)); + } else { + continue; + } + worklist.push(element); + } + } else if (isNode(candidate)) { + worklist.push(new Element(candidate, key, null, new Reference(node, key))); + } + } + } + return outer.root; + }; + function traverse(root, visitor) { + var controller = new Controller(); + return controller.traverse(root, visitor); + } + function replace(root, visitor) { + var controller = new Controller(); + return controller.replace(root, visitor); + } + function extendCommentRange(comment, tokens) { + var target; + target = upperBound(tokens, function search(token) { + return token.range[0] > comment.range[0]; + }); + comment.extendedRange = [comment.range[0], comment.range[1]]; + if (target !== tokens.length) { + comment.extendedRange[1] = tokens[target].range[0]; + } + target -= 1; + if (target >= 0) { + comment.extendedRange[0] = tokens[target].range[1]; + } + return comment; + } + function attachComments(tree, providedComments, tokens) { + // At first, we should calculate extended comment ranges. + var comments = [], + comment, + len, + i, + cursor; + if (!tree.range) { + throw new Error('attachComments needs range information'); + } + + // tokens array is empty, we attach comments to tree as 'leadingComments' + if (!tokens.length) { + if (providedComments.length) { + for (i = 0, len = providedComments.length; i < len; i += 1) { + comment = deepCopy(providedComments[i]); + comment.extendedRange = [0, tree.range[0]]; + comments.push(comment); + } + tree.leadingComments = comments; + } + return tree; + } + for (i = 0, len = providedComments.length; i < len; i += 1) { + comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens)); + } + + // This is based on John Freeman's implementation. + cursor = 0; + traverse(tree, { + enter: function (node) { + var comment; + while (cursor < comments.length) { + comment = comments[cursor]; + if (comment.extendedRange[1] > node.range[0]) { + break; + } + if (comment.extendedRange[1] === node.range[0]) { + if (!node.leadingComments) { + node.leadingComments = []; + } + node.leadingComments.push(comment); + comments.splice(cursor, 1); + } else { + cursor += 1; + } + } + + // already out of owned node + if (cursor === comments.length) { + return VisitorOption.Break; + } + if (comments[cursor].extendedRange[0] > node.range[1]) { + return VisitorOption.Skip; + } + } + }); + cursor = 0; + traverse(tree, { + leave: function (node) { + var comment; + while (cursor < comments.length) { + comment = comments[cursor]; + if (node.range[1] < comment.extendedRange[0]) { + break; + } + if (node.range[1] === comment.extendedRange[0]) { + if (!node.trailingComments) { + node.trailingComments = []; + } + node.trailingComments.push(comment); + comments.splice(cursor, 1); + } else { + cursor += 1; + } + } + + // already out of owned node + if (cursor === comments.length) { + return VisitorOption.Break; + } + if (comments[cursor].extendedRange[0] > node.range[1]) { + return VisitorOption.Skip; + } + } + }); + return tree; + } + exports.Syntax = Syntax; + exports.traverse = traverse; + exports.replace = replace; + exports.attachComments = attachComments; + exports.VisitorKeys = VisitorKeys; + exports.VisitorOption = VisitorOption; + exports.Controller = Controller; + exports.cloneEnvironment = function () { + return clone({}); + }; + return exports; + })(exports); + /* vim: set sw=4 ts=4 et tw=80 : */ +}); + +var parser = createCommonjsModule(function (module) { + /* + * Generated by PEG.js 0.10.0. + * + * http://pegjs.org/ + */ + (function (root, factory) { + if ( module.exports) { + module.exports = factory(); + } + })(commonjsGlobal, function () { + + function peg$subclass(child, parent) { + function ctor() { + this.constructor = child; + } + ctor.prototype = parent.prototype; + child.prototype = new ctor(); + } + function peg$SyntaxError(message, expected, found, location) { + this.message = message; + this.expected = expected; + this.found = found; + this.location = location; + this.name = "SyntaxError"; + if (typeof Error.captureStackTrace === "function") { + Error.captureStackTrace(this, peg$SyntaxError); + } + } + peg$subclass(peg$SyntaxError, Error); + peg$SyntaxError.buildMessage = function (expected, found) { + var DESCRIBE_EXPECTATION_FNS = { + literal: function literal(expectation) { + return "\"" + literalEscape(expectation.text) + "\""; + }, + "class": function _class(expectation) { + var escapedParts = "", + i; + for (i = 0; i < expectation.parts.length; i++) { + escapedParts += expectation.parts[i] instanceof Array ? classEscape(expectation.parts[i][0]) + "-" + classEscape(expectation.parts[i][1]) : classEscape(expectation.parts[i]); + } + return "[" + (expectation.inverted ? "^" : "") + escapedParts + "]"; + }, + any: function any(expectation) { + return "any character"; + }, + end: function end(expectation) { + return "end of input"; + }, + other: function other(expectation) { + return expectation.description; + } + }; + function hex(ch) { + return ch.charCodeAt(0).toString(16).toUpperCase(); + } + function literalEscape(s) { + return s.replace(/\\/g, '\\\\').replace(/"/g, '\\"').replace(/\0/g, '\\0').replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/[\x00-\x0F]/g, function (ch) { + return '\\x0' + hex(ch); + }).replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) { + return '\\x' + hex(ch); + }); + } + function classEscape(s) { + return s.replace(/\\/g, '\\\\').replace(/\]/g, '\\]').replace(/\^/g, '\\^').replace(/-/g, '\\-').replace(/\0/g, '\\0').replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/[\x00-\x0F]/g, function (ch) { + return '\\x0' + hex(ch); + }).replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) { + return '\\x' + hex(ch); + }); + } + function describeExpectation(expectation) { + return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation); + } + function describeExpected(expected) { + var descriptions = new Array(expected.length), + i, + j; + for (i = 0; i < expected.length; i++) { + descriptions[i] = describeExpectation(expected[i]); + } + descriptions.sort(); + if (descriptions.length > 0) { + for (i = 1, j = 1; i < descriptions.length; i++) { + if (descriptions[i - 1] !== descriptions[i]) { + descriptions[j] = descriptions[i]; + j++; + } + } + descriptions.length = j; + } + switch (descriptions.length) { + case 1: + return descriptions[0]; + case 2: + return descriptions[0] + " or " + descriptions[1]; + default: + return descriptions.slice(0, -1).join(", ") + ", or " + descriptions[descriptions.length - 1]; + } + } + function describeFound(found) { + return found ? "\"" + literalEscape(found) + "\"" : "end of input"; + } + return "Expected " + describeExpected(expected) + " but " + describeFound(found) + " found."; + }; + function peg$parse(input, options) { + options = options !== void 0 ? options : {}; + var peg$FAILED = {}, + peg$startRuleFunctions = { + start: peg$parsestart + }, + peg$startRuleFunction = peg$parsestart, + peg$c0 = function peg$c0(ss) { + return ss.length === 1 ? ss[0] : { + type: 'matches', + selectors: ss + }; + }, + peg$c1 = function peg$c1() { + return void 0; + }, + peg$c2 = " ", + peg$c3 = peg$literalExpectation(" ", false), + peg$c4 = /^[^ [\],():#!=><~+.]/, + peg$c5 = peg$classExpectation([" ", "[", "]", ",", "(", ")", ":", "#", "!", "=", ">", "<", "~", "+", "."], true, false), + peg$c6 = function peg$c6(i) { + return i.join(''); + }, + peg$c7 = ">", + peg$c8 = peg$literalExpectation(">", false), + peg$c9 = function peg$c9() { + return 'child'; + }, + peg$c10 = "~", + peg$c11 = peg$literalExpectation("~", false), + peg$c12 = function peg$c12() { + return 'sibling'; + }, + peg$c13 = "+", + peg$c14 = peg$literalExpectation("+", false), + peg$c15 = function peg$c15() { + return 'adjacent'; + }, + peg$c16 = function peg$c16() { + return 'descendant'; + }, + peg$c17 = ",", + peg$c18 = peg$literalExpectation(",", false), + peg$c19 = function peg$c19(s, ss) { + return [s].concat(ss.map(function (s) { + return s[3]; + })); + }, + peg$c20 = function peg$c20(op, s) { + if (!op) return s; + return { + type: op, + left: { + type: 'exactNode' + }, + right: s + }; + }, + peg$c21 = function peg$c21(a, ops) { + return ops.reduce(function (memo, rhs) { + return { + type: rhs[0], + left: memo, + right: rhs[1] + }; + }, a); + }, + peg$c22 = "!", + peg$c23 = peg$literalExpectation("!", false), + peg$c24 = function peg$c24(subject, as) { + var b = as.length === 1 ? as[0] : { + type: 'compound', + selectors: as + }; + if (subject) b.subject = true; + return b; + }, + peg$c25 = "*", + peg$c26 = peg$literalExpectation("*", false), + peg$c27 = function peg$c27(a) { + return { + type: 'wildcard', + value: a + }; + }, + peg$c28 = "#", + peg$c29 = peg$literalExpectation("#", false), + peg$c30 = function peg$c30(i) { + return { + type: 'identifier', + value: i + }; + }, + peg$c31 = "[", + peg$c32 = peg$literalExpectation("[", false), + peg$c33 = "]", + peg$c34 = peg$literalExpectation("]", false), + peg$c35 = function peg$c35(v) { + return v; + }, + peg$c36 = /^[>", "<", "!"], false, false), + peg$c38 = "=", + peg$c39 = peg$literalExpectation("=", false), + peg$c40 = function peg$c40(a) { + return (a || '') + '='; + }, + peg$c41 = /^[><]/, + peg$c42 = peg$classExpectation([">", "<"], false, false), + peg$c43 = ".", + peg$c44 = peg$literalExpectation(".", false), + peg$c45 = function peg$c45(a, as) { + return [].concat.apply([a], as).join(''); + }, + peg$c46 = function peg$c46(name, op, value) { + return { + type: 'attribute', + name: name, + operator: op, + value: value + }; + }, + peg$c47 = function peg$c47(name) { + return { + type: 'attribute', + name: name + }; + }, + peg$c48 = "\"", + peg$c49 = peg$literalExpectation("\"", false), + peg$c50 = /^[^\\"]/, + peg$c51 = peg$classExpectation(["\\", "\""], true, false), + peg$c52 = "\\", + peg$c53 = peg$literalExpectation("\\", false), + peg$c54 = peg$anyExpectation(), + peg$c55 = function peg$c55(a, b) { + return a + b; + }, + peg$c56 = function peg$c56(d) { + return { + type: 'literal', + value: strUnescape(d.join('')) + }; + }, + peg$c57 = "'", + peg$c58 = peg$literalExpectation("'", false), + peg$c59 = /^[^\\']/, + peg$c60 = peg$classExpectation(["\\", "'"], true, false), + peg$c61 = /^[0-9]/, + peg$c62 = peg$classExpectation([["0", "9"]], false, false), + peg$c63 = function peg$c63(a, b) { + // Can use `a.flat().join('')` once supported + var leadingDecimals = a ? [].concat.apply([], a).join('') : ''; + return { + type: 'literal', + value: parseFloat(leadingDecimals + b.join('')) + }; + }, + peg$c64 = function peg$c64(i) { + return { + type: 'literal', + value: i + }; + }, + peg$c65 = "type(", + peg$c66 = peg$literalExpectation("type(", false), + peg$c67 = /^[^ )]/, + peg$c68 = peg$classExpectation([" ", ")"], true, false), + peg$c69 = ")", + peg$c70 = peg$literalExpectation(")", false), + peg$c71 = function peg$c71(t) { + return { + type: 'type', + value: t.join('') + }; + }, + peg$c72 = /^[imsu]/, + peg$c73 = peg$classExpectation(["i", "m", "s", "u"], false, false), + peg$c74 = "/", + peg$c75 = peg$literalExpectation("/", false), + peg$c76 = /^[^\/]/, + peg$c77 = peg$classExpectation(["/"], true, false), + peg$c78 = function peg$c78(d, flgs) { + return { + type: 'regexp', + value: new RegExp(d.join(''), flgs ? flgs.join('') : '') + }; + }, + peg$c79 = function peg$c79(i, is) { + return { + type: 'field', + name: is.reduce(function (memo, p) { + return memo + p[0] + p[1]; + }, i) + }; + }, + peg$c80 = ":not(", + peg$c81 = peg$literalExpectation(":not(", false), + peg$c82 = function peg$c82(ss) { + return { + type: 'not', + selectors: ss + }; + }, + peg$c83 = ":matches(", + peg$c84 = peg$literalExpectation(":matches(", false), + peg$c85 = function peg$c85(ss) { + return { + type: 'matches', + selectors: ss + }; + }, + peg$c86 = ":has(", + peg$c87 = peg$literalExpectation(":has(", false), + peg$c88 = function peg$c88(ss) { + return { + type: 'has', + selectors: ss + }; + }, + peg$c89 = ":first-child", + peg$c90 = peg$literalExpectation(":first-child", false), + peg$c91 = function peg$c91() { + return nth(1); + }, + peg$c92 = ":last-child", + peg$c93 = peg$literalExpectation(":last-child", false), + peg$c94 = function peg$c94() { + return nthLast(1); + }, + peg$c95 = ":nth-child(", + peg$c96 = peg$literalExpectation(":nth-child(", false), + peg$c97 = function peg$c97(n) { + return nth(parseInt(n.join(''), 10)); + }, + peg$c98 = ":nth-last-child(", + peg$c99 = peg$literalExpectation(":nth-last-child(", false), + peg$c100 = function peg$c100(n) { + return nthLast(parseInt(n.join(''), 10)); + }, + peg$c101 = ":", + peg$c102 = peg$literalExpectation(":", false), + peg$c103 = function peg$c103(c) { + return { + type: 'class', + name: c + }; + }, + peg$currPos = 0, + peg$posDetailsCache = [{ + line: 1, + column: 1 + }], + peg$maxFailPos = 0, + peg$maxFailExpected = [], + peg$resultsCache = {}, + peg$result; + if ("startRule" in options) { + if (!(options.startRule in peg$startRuleFunctions)) { + throw new Error("Can't start parsing from rule \"" + options.startRule + "\"."); + } + peg$startRuleFunction = peg$startRuleFunctions[options.startRule]; + } + function peg$literalExpectation(text, ignoreCase) { + return { + type: "literal", + text: text, + ignoreCase: ignoreCase + }; + } + function peg$classExpectation(parts, inverted, ignoreCase) { + return { + type: "class", + parts: parts, + inverted: inverted, + ignoreCase: ignoreCase + }; + } + function peg$anyExpectation() { + return { + type: "any" + }; + } + function peg$endExpectation() { + return { + type: "end" + }; + } + function peg$computePosDetails(pos) { + var details = peg$posDetailsCache[pos], + p; + if (details) { + return details; + } else { + p = pos - 1; + while (!peg$posDetailsCache[p]) { + p--; + } + details = peg$posDetailsCache[p]; + details = { + line: details.line, + column: details.column + }; + while (p < pos) { + if (input.charCodeAt(p) === 10) { + details.line++; + details.column = 1; + } else { + details.column++; + } + p++; + } + peg$posDetailsCache[pos] = details; + return details; + } + } + function peg$computeLocation(startPos, endPos) { + var startPosDetails = peg$computePosDetails(startPos), + endPosDetails = peg$computePosDetails(endPos); + return { + start: { + offset: startPos, + line: startPosDetails.line, + column: startPosDetails.column + }, + end: { + offset: endPos, + line: endPosDetails.line, + column: endPosDetails.column + } + }; + } + function peg$fail(expected) { + if (peg$currPos < peg$maxFailPos) { + return; + } + if (peg$currPos > peg$maxFailPos) { + peg$maxFailPos = peg$currPos; + peg$maxFailExpected = []; + } + peg$maxFailExpected.push(expected); + } + function peg$buildStructuredError(expected, found, location) { + return new peg$SyntaxError(peg$SyntaxError.buildMessage(expected, found), expected, found, location); + } + function peg$parsestart() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 0, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + s2 = peg$parseselectors(); + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c0(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + s1 = peg$c1(); + } + s0 = s1; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parse_() { + var s0, s1; + var key = peg$currPos * 32 + 1, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = []; + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c3); + } + } + while (s1 !== peg$FAILED) { + s0.push(s1); + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c3); + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseidentifierName() { + var s0, s1, s2; + var key = peg$currPos * 32 + 2, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = []; + if (peg$c4.test(input.charAt(peg$currPos))) { + s2 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c5); + } + } + if (s2 !== peg$FAILED) { + while (s2 !== peg$FAILED) { + s1.push(s2); + if (peg$c4.test(input.charAt(peg$currPos))) { + s2 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c5); + } + } + } + } else { + s1 = peg$FAILED; + } + if (s1 !== peg$FAILED) { + s1 = peg$c6(s1); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsebinaryOp() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 3, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 62) { + s2 = peg$c7; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c8); + } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c9(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 126) { + s2 = peg$c10; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c11); + } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c12(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 43) { + s2 = peg$c13; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c14); + } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c15(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c3); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s1 = peg$c16(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsehasSelectors() { + var s0, s1, s2, s3, s4, s5, s6, s7; + var key = peg$currPos * 32 + 4, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parsehasSelector(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parsehasSelector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parsehasSelector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c19(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseselectors() { + var s0, s1, s2, s3, s4, s5, s6, s7; + var key = peg$currPos * 32 + 5, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseselector(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parseselector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parseselector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c19(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsehasSelector() { + var s0, s1, s2; + var key = peg$currPos * 32 + 6, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parsebinaryOp(); + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = peg$parseselector(); + if (s2 !== peg$FAILED) { + s1 = peg$c20(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseselector() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 7, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parsesequence(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parsebinaryOp(); + if (s4 !== peg$FAILED) { + s5 = peg$parsesequence(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parsebinaryOp(); + if (s4 !== peg$FAILED) { + s5 = peg$parsesequence(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c21(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsesequence() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 8, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 33) { + s1 = peg$c22; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c23); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$parseatom(); + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$parseatom(); + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + s1 = peg$c24(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseatom() { + var s0; + var key = peg$currPos * 32 + 9, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$parsewildcard(); + if (s0 === peg$FAILED) { + s0 = peg$parseidentifier(); + if (s0 === peg$FAILED) { + s0 = peg$parseattr(); + if (s0 === peg$FAILED) { + s0 = peg$parsefield(); + if (s0 === peg$FAILED) { + s0 = peg$parsenegation(); + if (s0 === peg$FAILED) { + s0 = peg$parsematches(); + if (s0 === peg$FAILED) { + s0 = peg$parsehas(); + if (s0 === peg$FAILED) { + s0 = peg$parsefirstChild(); + if (s0 === peg$FAILED) { + s0 = peg$parselastChild(); + if (s0 === peg$FAILED) { + s0 = peg$parsenthChild(); + if (s0 === peg$FAILED) { + s0 = peg$parsenthLastChild(); + if (s0 === peg$FAILED) { + s0 = peg$parseclass(); + } + } + } + } + } + } + } + } + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsewildcard() { + var s0, s1; + var key = peg$currPos * 32 + 10, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 42) { + s1 = peg$c25; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c26); + } + } + if (s1 !== peg$FAILED) { + s1 = peg$c27(s1); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseidentifier() { + var s0, s1, s2; + var key = peg$currPos * 32 + 11, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 35) { + s1 = peg$c28; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c29); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + s1 = peg$c30(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattr() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 12, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 91) { + s1 = peg$c31; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c32); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrValue(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 93) { + s5 = peg$c33; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c34); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c35(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrOps() { + var s0, s1, s2; + var key = peg$currPos * 32 + 13, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (peg$c36.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c37); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 61) { + s2 = peg$c38; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c39); + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c40(s1); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + if (peg$c41.test(input.charAt(peg$currPos))) { + s0 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s0 = peg$FAILED; + { + peg$fail(peg$c42); + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrEqOps() { + var s0, s1, s2; + var key = peg$currPos * 32 + 14, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 33) { + s1 = peg$c22; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c23); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 61) { + s2 = peg$c38; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c39); + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c40(s1); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrName() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 15, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseidentifierName(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s4 = peg$c43; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s4 !== peg$FAILED) { + s5 = peg$parseidentifierName(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s4 = peg$c43; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s4 !== peg$FAILED) { + s5 = peg$parseidentifierName(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c45(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrValue() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 16, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrEqOps(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + s5 = peg$parsetype(); + if (s5 === peg$FAILED) { + s5 = peg$parseregex(); + } + if (s5 !== peg$FAILED) { + s1 = peg$c46(s1, s3, s5); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrOps(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + s5 = peg$parsestring(); + if (s5 === peg$FAILED) { + s5 = peg$parsenumber(); + if (s5 === peg$FAILED) { + s5 = peg$parsepath(); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c46(s1, s3, s5); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + s1 = peg$c47(s1); + } + s0 = s1; + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsestring() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 17, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 34) { + s1 = peg$c48; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c49); + } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c50.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c51); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c50.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c51); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 34) { + s3 = peg$c48; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c49); + } + } + if (s3 !== peg$FAILED) { + s1 = peg$c56(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 39) { + s1 = peg$c57; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c58); + } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c59.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c60); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c59.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c60); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 39) { + s3 = peg$c57; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c58); + } + } + if (s3 !== peg$FAILED) { + s1 = peg$c56(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenumber() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 18, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$currPos; + s2 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 46) { + s3 = peg$c43; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s3 !== peg$FAILED) { + s2 = [s2, s3]; + s1 = s2; + } else { + peg$currPos = s1; + s1 = peg$FAILED; + } + } else { + peg$currPos = s1; + s1 = peg$FAILED; + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + s1 = peg$c63(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsepath() { + var s0, s1; + var key = peg$currPos * 32 + 19, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseidentifierName(); + if (s1 !== peg$FAILED) { + s1 = peg$c64(s1); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsetype() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 20, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c65) { + s1 = peg$c65; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c66); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c67.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c68); + } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c67.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c68); + } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c71(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseflags() { + var s0, s1; + var key = peg$currPos * 32 + 21, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = []; + if (peg$c72.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c73); + } + } + if (s1 !== peg$FAILED) { + while (s1 !== peg$FAILED) { + s0.push(s1); + if (peg$c72.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c73); + } + } + } + } else { + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseregex() { + var s0, s1, s2, s3, s4; + var key = peg$currPos * 32 + 22, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 47) { + s1 = peg$c74; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c75); + } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c76.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c77); + } + } + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c76.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c77); + } + } + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 47) { + s3 = peg$c74; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c75); + } + } + if (s3 !== peg$FAILED) { + s4 = peg$parseflags(); + if (s4 === peg$FAILED) { + s4 = null; + } + if (s4 !== peg$FAILED) { + s1 = peg$c78(s2, s4); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsefield() { + var s0, s1, s2, s3, s4, s5, s6; + var key = peg$currPos * 32 + 23, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s1 = peg$c43; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + s3 = []; + s4 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s5 = peg$c43; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parseidentifierName(); + if (s6 !== peg$FAILED) { + s5 = [s5, s6]; + s4 = s5; + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + while (s4 !== peg$FAILED) { + s3.push(s4); + s4 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s5 = peg$c43; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parseidentifierName(); + if (s6 !== peg$FAILED) { + s5 = [s5, s6]; + s4 = s5; + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } + if (s3 !== peg$FAILED) { + s1 = peg$c79(s2, s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenegation() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 24, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c80) { + s1 = peg$c80; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c81); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseselectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c82(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsematches() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 25, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 9) === peg$c83) { + s1 = peg$c83; + peg$currPos += 9; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c84); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseselectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c85(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsehas() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 26, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c86) { + s1 = peg$c86; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c87); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parsehasSelectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c88(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsefirstChild() { + var s0, s1; + var key = peg$currPos * 32 + 27, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 12) === peg$c89) { + s1 = peg$c89; + peg$currPos += 12; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c90); + } + } + if (s1 !== peg$FAILED) { + s1 = peg$c91(); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parselastChild() { + var s0, s1; + var key = peg$currPos * 32 + 28, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 11) === peg$c92) { + s1 = peg$c92; + peg$currPos += 11; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c93); + } + } + if (s1 !== peg$FAILED) { + s1 = peg$c94(); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenthChild() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 29, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 11) === peg$c95) { + s1 = peg$c95; + peg$currPos += 11; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c96); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c97(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenthLastChild() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 30, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 16) === peg$c98) { + s1 = peg$c98; + peg$currPos += 16; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c99); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c100(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseclass() { + var s0, s1, s2; + var key = peg$currPos * 32 + 31, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 58) { + s1 = peg$c101; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c102); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + s1 = peg$c103(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function nth(n) { + return { + type: 'nth-child', + index: { + type: 'literal', + value: n + } + }; + } + function nthLast(n) { + return { + type: 'nth-last-child', + index: { + type: 'literal', + value: n + } + }; + } + function strUnescape(s) { + return s.replace(/\\(.)/g, function (match, ch) { + switch (ch) { + case 'b': + return '\b'; + case 'f': + return '\f'; + case 'n': + return '\n'; + case 'r': + return '\r'; + case 't': + return '\t'; + case 'v': + return '\v'; + default: + return ch; + } + }); + } + peg$result = peg$startRuleFunction(); + if (peg$result !== peg$FAILED && peg$currPos === input.length) { + return peg$result; + } else { + if (peg$result !== peg$FAILED && peg$currPos < input.length) { + peg$fail(peg$endExpectation()); + } + throw peg$buildStructuredError(peg$maxFailExpected, peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null, peg$maxFailPos < input.length ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1) : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)); + } + } + return { + SyntaxError: peg$SyntaxError, + parse: peg$parse + }; + }); +}); + +/** +* @typedef {"LEFT_SIDE"|"RIGHT_SIDE"} Side +*/ + +var LEFT_SIDE = 'LEFT_SIDE'; +var RIGHT_SIDE = 'RIGHT_SIDE'; + +/** + * @external AST + * @see https://esprima.readthedocs.io/en/latest/syntax-tree-format.html + */ + +/** + * One of the rules of `grammar.pegjs` + * @typedef {PlainObject} SelectorAST + * @see grammar.pegjs +*/ + +/** + * The `sequence` production of `grammar.pegjs` + * @typedef {PlainObject} SelectorSequenceAST +*/ + +/** + * Get the value of a property which may be multiple levels down + * in the object. + * @param {?PlainObject} obj + * @param {string[]} keys + * @returns {undefined|boolean|string|number|external:AST} + */ +function getPath(obj, keys) { + for (var i = 0; i < keys.length; ++i) { + if (obj == null) { + return obj; + } + obj = obj[keys[i]]; + } + return obj; +} + +/** + * Determine whether `node` can be reached by following `path`, + * starting at `ancestor`. + * @param {?external:AST} node + * @param {?external:AST} ancestor + * @param {string[]} path + * @param {Integer} fromPathIndex + * @returns {boolean} + */ +function inPath(node, ancestor, path, fromPathIndex) { + var current = ancestor; + for (var i = fromPathIndex; i < path.length; ++i) { + if (current == null) { + return false; + } + var field = current[path[i]]; + if (Array.isArray(field)) { + for (var k = 0; k < field.length; ++k) { + if (inPath(node, field[k], path, i + 1)) { + return true; + } + } + return false; + } + current = field; + } + return node === current; +} + +/** + * A generated matcher function for a selector. + * @callback SelectorMatcher + * @param {?SelectorAST} selector + * @param {external:AST[]} [ancestry=[]] + * @param {ESQueryOptions} [options] + * @returns {void} +*/ + +/** + * A WeakMap for holding cached matcher functions for selectors. + * @type {WeakMap} +*/ +var MATCHER_CACHE = typeof WeakMap === 'function' ? new WeakMap() : null; + +/** + * Look up a matcher function for `selector` in the cache. + * If it does not exist, generate it with `generateMatcher` and add it to the cache. + * In engines without WeakMap, the caching is skipped and matchers are generated with every call. + * @param {?SelectorAST} selector + * @returns {SelectorMatcher} + */ +function getMatcher(selector) { + if (selector == null) { + return function () { + return true; + }; + } + if (MATCHER_CACHE != null) { + var matcher = MATCHER_CACHE.get(selector); + if (matcher != null) { + return matcher; + } + matcher = generateMatcher(selector); + MATCHER_CACHE.set(selector, matcher); + return matcher; + } + return generateMatcher(selector); +} + +/** + * Create a matcher function for `selector`, + * @param {?SelectorAST} selector + * @returns {SelectorMatcher} + */ +function generateMatcher(selector) { + switch (selector.type) { + case 'wildcard': + return function () { + return true; + }; + case 'identifier': + { + var value = selector.value.toLowerCase(); + return function (node, ancestry, options) { + var nodeTypeKey = options && options.nodeTypeKey || 'type'; + return value === node[nodeTypeKey].toLowerCase(); + }; + } + case 'exactNode': + return function (node, ancestry) { + return ancestry.length === 0; + }; + case 'field': + { + var path = selector.name.split('.'); + return function (node, ancestry) { + var ancestor = ancestry[path.length - 1]; + return inPath(node, ancestor, path, 0); + }; + } + case 'matches': + { + var matchers = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + for (var i = 0; i < matchers.length; ++i) { + if (matchers[i](node, ancestry, options)) { + return true; + } + } + return false; + }; + } + case 'compound': + { + var _matchers = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + for (var i = 0; i < _matchers.length; ++i) { + if (!_matchers[i](node, ancestry, options)) { + return false; + } + } + return true; + }; + } + case 'not': + { + var _matchers2 = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + for (var i = 0; i < _matchers2.length; ++i) { + if (_matchers2[i](node, ancestry, options)) { + return false; + } + } + return true; + }; + } + case 'has': + { + var _matchers3 = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + var result = false; + var a = []; + estraverse.traverse(node, { + enter: function enter(node, parent) { + if (parent != null) { + a.unshift(parent); + } + for (var i = 0; i < _matchers3.length; ++i) { + if (_matchers3[i](node, a, options)) { + result = true; + this["break"](); + return; + } + } + }, + leave: function leave() { + a.shift(); + }, + keys: options && options.visitorKeys, + fallback: options && options.fallback || 'iteration' + }); + return result; + }; + } + case 'child': + { + var left = getMatcher(selector.left); + var right = getMatcher(selector.right); + return function (node, ancestry, options) { + if (ancestry.length > 0 && right(node, ancestry, options)) { + return left(ancestry[0], ancestry.slice(1), options); + } + return false; + }; + } + case 'descendant': + { + var _left = getMatcher(selector.left); + var _right = getMatcher(selector.right); + return function (node, ancestry, options) { + if (_right(node, ancestry, options)) { + for (var i = 0, l = ancestry.length; i < l; ++i) { + if (_left(ancestry[i], ancestry.slice(i + 1), options)) { + return true; + } + } + } + return false; + }; + } + case 'attribute': + { + var _path = selector.name.split('.'); + switch (selector.operator) { + case void 0: + return function (node) { + return getPath(node, _path) != null; + }; + case '=': + switch (selector.value.type) { + case 'regexp': + return function (node) { + var p = getPath(node, _path); + return typeof p === 'string' && selector.value.value.test(p); + }; + case 'literal': + { + var literal = "".concat(selector.value.value); + return function (node) { + return literal === "".concat(getPath(node, _path)); + }; + } + case 'type': + return function (node) { + return selector.value.value === _typeof(getPath(node, _path)); + }; + } + throw new Error("Unknown selector value type: ".concat(selector.value.type)); + case '!=': + switch (selector.value.type) { + case 'regexp': + return function (node) { + return !selector.value.value.test(getPath(node, _path)); + }; + case 'literal': + { + var _literal = "".concat(selector.value.value); + return function (node) { + return _literal !== "".concat(getPath(node, _path)); + }; + } + case 'type': + return function (node) { + return selector.value.value !== _typeof(getPath(node, _path)); + }; + } + throw new Error("Unknown selector value type: ".concat(selector.value.type)); + case '<=': + return function (node) { + return getPath(node, _path) <= selector.value.value; + }; + case '<': + return function (node) { + return getPath(node, _path) < selector.value.value; + }; + case '>': + return function (node) { + return getPath(node, _path) > selector.value.value; + }; + case '>=': + return function (node) { + return getPath(node, _path) >= selector.value.value; + }; + } + throw new Error("Unknown operator: ".concat(selector.operator)); + } + case 'sibling': + { + var _left2 = getMatcher(selector.left); + var _right2 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right2(node, ancestry, options) && sibling(node, _left2, ancestry, LEFT_SIDE, options) || selector.left.subject && _left2(node, ancestry, options) && sibling(node, _right2, ancestry, RIGHT_SIDE, options); + }; + } + case 'adjacent': + { + var _left3 = getMatcher(selector.left); + var _right3 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right3(node, ancestry, options) && adjacent(node, _left3, ancestry, LEFT_SIDE, options) || selector.right.subject && _left3(node, ancestry, options) && adjacent(node, _right3, ancestry, RIGHT_SIDE, options); + }; + } + case 'nth-child': + { + var nth = selector.index.value; + var _right4 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right4(node, ancestry, options) && nthChild(node, ancestry, nth, options); + }; + } + case 'nth-last-child': + { + var _nth = -selector.index.value; + var _right5 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right5(node, ancestry, options) && nthChild(node, ancestry, _nth, options); + }; + } + case 'class': + { + var name = selector.name.toLowerCase(); + return function (node, ancestry, options) { + if (options && options.matchClass) { + return options.matchClass(selector.name, node, ancestry); + } + if (options && options.nodeTypeKey) return false; + switch (name) { + case 'statement': + if (node.type.slice(-9) === 'Statement') return true; + // fallthrough: interface Declaration <: Statement { } + case 'declaration': + return node.type.slice(-11) === 'Declaration'; + case 'pattern': + if (node.type.slice(-7) === 'Pattern') return true; + // fallthrough: interface Expression <: Node, Pattern { } + case 'expression': + return node.type.slice(-10) === 'Expression' || node.type.slice(-7) === 'Literal' || node.type === 'Identifier' && (ancestry.length === 0 || ancestry[0].type !== 'MetaProperty') || node.type === 'MetaProperty'; + case 'function': + return node.type === 'FunctionDeclaration' || node.type === 'FunctionExpression' || node.type === 'ArrowFunctionExpression'; + } + throw new Error("Unknown class name: ".concat(selector.name)); + }; + } + } + throw new Error("Unknown selector type: ".concat(selector.type)); +} + +/** + * @callback TraverseOptionFallback + * @param {external:AST} node The given node. + * @returns {string[]} An array of visitor keys for the given node. + */ + +/** + * @callback ClassMatcher + * @param {string} className The name of the class to match. + * @param {external:AST} node The node to match against. + * @param {Array} ancestry The ancestry of the node. + * @returns {boolean} True if the node matches the class, false if not. + */ + +/** + * @typedef {object} ESQueryOptions + * @property {string} [nodeTypeKey="type"] By passing `nodeTypeKey`, we can allow other ASTs to use ESQuery. + * @property { { [nodeType: string]: string[] } } [visitorKeys] By passing `visitorKeys` mapping, we can extend the properties of the nodes that traverse the node. + * @property {TraverseOptionFallback} [fallback] By passing `fallback` option, we can control the properties of traversing nodes when encountering unknown nodes. + * @property {ClassMatcher} [matchClass] By passing `matchClass` option, we can customize the interpretation of classes. + */ + +/** + * Given a `node` and its ancestors, determine if `node` is matched + * by `selector`. + * @param {?external:AST} node + * @param {?SelectorAST} selector + * @param {external:AST[]} [ancestry=[]] + * @param {ESQueryOptions} [options] + * @throws {Error} Unknowns (operator, class name, selector type, or + * selector value type) + * @returns {boolean} + */ +function matches(node, selector, ancestry, options) { + if (!selector) { + return true; + } + if (!node) { + return false; + } + if (!ancestry) { + ancestry = []; + } + return getMatcher(selector)(node, ancestry, options); +} + +/** + * Get visitor keys of a given node. + * @param {external:AST} node The AST node to get keys. + * @param {ESQueryOptions|undefined} options + * @returns {string[]} Visitor keys of the node. + */ +function getVisitorKeys(node, options) { + var nodeTypeKey = options && options.nodeTypeKey || 'type'; + var nodeType = node[nodeTypeKey]; + if (options && options.visitorKeys && options.visitorKeys[nodeType]) { + return options.visitorKeys[nodeType]; + } + if (estraverse.VisitorKeys[nodeType]) { + return estraverse.VisitorKeys[nodeType]; + } + if (options && typeof options.fallback === 'function') { + return options.fallback(node); + } + // 'iteration' fallback + return Object.keys(node).filter(function (key) { + return key !== nodeTypeKey; + }); +} + +/** + * Check whether the given value is an ASTNode or not. + * @param {any} node The value to check. + * @param {ESQueryOptions|undefined} options The options to use. + * @returns {boolean} `true` if the value is an ASTNode. + */ +function isNode(node, options) { + var nodeTypeKey = options && options.nodeTypeKey || 'type'; + return node !== null && _typeof(node) === 'object' && typeof node[nodeTypeKey] === 'string'; +} + +/** + * Determines if the given node has a sibling that matches the + * given selector matcher. + * @param {external:AST} node + * @param {SelectorMatcher} matcher + * @param {external:AST[]} ancestry + * @param {Side} side + * @param {ESQueryOptions|undefined} options + * @returns {boolean} + */ +function sibling(node, matcher, ancestry, side, options) { + var _ancestry = _slicedToArray(ancestry, 1), + parent = _ancestry[0]; + if (!parent) { + return false; + } + var keys = getVisitorKeys(parent, options); + for (var i = 0; i < keys.length; ++i) { + var listProp = parent[keys[i]]; + if (Array.isArray(listProp)) { + var startIndex = listProp.indexOf(node); + if (startIndex < 0) { + continue; + } + var lowerBound = void 0, + upperBound = void 0; + if (side === LEFT_SIDE) { + lowerBound = 0; + upperBound = startIndex; + } else { + lowerBound = startIndex + 1; + upperBound = listProp.length; + } + for (var k = lowerBound; k < upperBound; ++k) { + if (isNode(listProp[k], options) && matcher(listProp[k], ancestry, options)) { + return true; + } + } + } + } + return false; +} + +/** + * Determines if the given node has an adjacent sibling that matches + * the given selector matcher. + * @param {external:AST} node + * @param {SelectorMatcher} matcher + * @param {external:AST[]} ancestry + * @param {Side} side + * @param {ESQueryOptions|undefined} options + * @returns {boolean} + */ +function adjacent(node, matcher, ancestry, side, options) { + var _ancestry2 = _slicedToArray(ancestry, 1), + parent = _ancestry2[0]; + if (!parent) { + return false; + } + var keys = getVisitorKeys(parent, options); + for (var i = 0; i < keys.length; ++i) { + var listProp = parent[keys[i]]; + if (Array.isArray(listProp)) { + var idx = listProp.indexOf(node); + if (idx < 0) { + continue; + } + if (side === LEFT_SIDE && idx > 0 && isNode(listProp[idx - 1], options) && matcher(listProp[idx - 1], ancestry, options)) { + return true; + } + if (side === RIGHT_SIDE && idx < listProp.length - 1 && isNode(listProp[idx + 1], options) && matcher(listProp[idx + 1], ancestry, options)) { + return true; + } + } + } + return false; +} + +/** + * Determines if the given node is the `nth` child. + * If `nth` is negative then the position is counted + * from the end of the list of children. + * @param {external:AST} node + * @param {external:AST[]} ancestry + * @param {Integer} nth + * @param {ESQueryOptions|undefined} options + * @returns {boolean} + */ +function nthChild(node, ancestry, nth, options) { + if (nth === 0) { + return false; + } + var _ancestry3 = _slicedToArray(ancestry, 1), + parent = _ancestry3[0]; + if (!parent) { + return false; + } + var keys = getVisitorKeys(parent, options); + for (var i = 0; i < keys.length; ++i) { + var listProp = parent[keys[i]]; + if (Array.isArray(listProp)) { + var idx = nth < 0 ? listProp.length + nth : nth - 1; + if (idx >= 0 && idx < listProp.length && listProp[idx] === node) { + return true; + } + } + } + return false; +} + +/** + * For each selector node marked as a subject, find the portion of the + * selector that the subject must match. + * @param {SelectorAST} selector + * @param {SelectorAST} [ancestor] Defaults to `selector` + * @returns {SelectorAST[]} + */ +function subjects(selector, ancestor) { + if (selector == null || _typeof(selector) != 'object') { + return []; + } + if (ancestor == null) { + ancestor = selector; + } + var results = selector.subject ? [ancestor] : []; + var keys = Object.keys(selector); + for (var i = 0; i < keys.length; ++i) { + var p = keys[i]; + var sel = selector[p]; + results.push.apply(results, _toConsumableArray(subjects(sel, p === 'left' ? sel : ancestor))); + } + return results; +} + +/** +* @callback TraverseVisitor +* @param {?external:AST} node +* @param {?external:AST} parent +* @param {external:AST[]} ancestry +*/ + +/** + * From a JS AST and a selector AST, collect all JS AST nodes that + * match the selector. + * @param {external:AST} ast + * @param {?SelectorAST} selector + * @param {TraverseVisitor} visitor + * @param {ESQueryOptions} [options] + * @returns {external:AST[]} + */ +function traverse(ast, selector, visitor, options) { + if (!selector) { + return; + } + var ancestry = []; + var matcher = getMatcher(selector); + var altSubjects = subjects(selector).map(getMatcher); + estraverse.traverse(ast, { + enter: function enter(node, parent) { + if (parent != null) { + ancestry.unshift(parent); + } + if (matcher(node, ancestry, options)) { + if (altSubjects.length) { + for (var i = 0, l = altSubjects.length; i < l; ++i) { + if (altSubjects[i](node, ancestry, options)) { + visitor(node, parent, ancestry); + } + for (var k = 0, m = ancestry.length; k < m; ++k) { + var succeedingAncestry = ancestry.slice(k + 1); + if (altSubjects[i](ancestry[k], succeedingAncestry, options)) { + visitor(ancestry[k], parent, succeedingAncestry); + } + } + } + } else { + visitor(node, parent, ancestry); + } + } + }, + leave: function leave() { + ancestry.shift(); + }, + keys: options && options.visitorKeys, + fallback: options && options.fallback || 'iteration' + }); +} + +/** + * From a JS AST and a selector AST, collect all JS AST nodes that + * match the selector. + * @param {external:AST} ast + * @param {?SelectorAST} selector + * @param {ESQueryOptions} [options] + * @returns {external:AST[]} + */ +function match(ast, selector, options) { + var results = []; + traverse(ast, selector, function 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ie=f.nextPos,f.result;if(e=ie,(r=Ee())!==s){for(n=[],o=ie,(a=xe())!==s?(44===t.charCodeAt(ie)?(i=",",ie++):(i=s,de(m)),i!==s&&(u=xe())!==s&&(l=Ee())!==s?o=a=[a,i,u,l]:(ie=o,o=s)):(ie=o,o=s);o!==s;)n.push(o),o=ie,(a=xe())!==s?(44===t.charCodeAt(ie)?(i=",",ie++):(i=s,de(m)),i!==s&&(u=xe())!==s&&(l=Ee())!==s?o=a=[a,i,u,l]:(ie=o,o=s)):(ie=o,o=s);n!==s?e=r=x(r,n):(ie=e,e=s)}else ie=e,e=s;return ce[c]={nextPos:ie,result:e},e}())!==s&&xe()!==s?(41===t.charCodeAt(ie)?(o=")",ie++):(o=s,de(z)),o!==s?e=r={type:"has",selectors:n}:(ie=e,e=s)):(ie=e,e=s),ce[a]={nextPos:ie,result:e},e)}())===s&&(e=function(){var e,r,n=32*ie+27,o=ce[n];return o?(ie=o.nextPos,o.result):(":first-child"===t.substr(ie,12)?(r=":first-child",ie+=12):(r=s,de(te)),r!==s&&(r=we(1)),e=r,ce[n]={nextPos:ie,result:e},e)}())===s&&(e=function(){var e,r,n=32*ie+28,o=ce[n];return o?(ie=o.nextPos,o.result):(":last-child"===t.substr(ie,11)?(r=":last-child",ie+=11):(r=s,de(re)),r!==s&&(r=Pe(1)),e=r,ce[n]={nextPos:ie,result:e},e)}())===s&&(e=function(){var e,r,n,o,a,i=32*ie+29,u=ce[i];if(u)return ie=u.nextPos,u.result;if(e=ie,":nth-child("===t.substr(ie,11)?(r=":nth-child(",ie+=11):(r=s,de(ne)),r!==s)if(xe()!==s){if(n=[],N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W)),o!==s)for(;o!==s;)n.push(o),N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W));else n=s;n!==s&&(o=xe())!==s?(41===t.charCodeAt(ie)?(a=")",ie++):(a=s,de(z)),a!==s?(r=we(parseInt(n.join(""),10)),e=r):(ie=e,e=s)):(ie=e,e=s)}else ie=e,e=s;else ie=e,e=s;return ce[i]={nextPos:ie,result:e},e}())===s&&(e=function(){var e,r,n,o,a,i=32*ie+30,u=ce[i];if(u)return ie=u.nextPos,u.result;if(e=ie,":nth-last-child("===t.substr(ie,16)?(r=":nth-last-child(",ie+=16):(r=s,de(oe)),r!==s)if(xe()!==s){if(n=[],N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W)),o!==s)for(;o!==s;)n.push(o),N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W));else n=s;n!==s&&(o=xe())!==s?(41===t.charCodeAt(ie)?(a=")",ie++):(a=s,de(z)),a!==s?(r=Pe(parseInt(n.join(""),10)),e=r):(ie=e,e=s)):(ie=e,e=s)}else ie=e,e=s;else ie=e,e=s;return ce[i]={nextPos:ie,result:e},e}())===s&&(e=function(){var e,r,n,o=32*ie+31,a=ce[o];return a?(ie=a.nextPos,a.result):(e=ie,58===t.charCodeAt(ie)?(r=":",ie++):(r=s,de(ae)),r!==s&&(n=ve())!==s?e=r={type:"class",name:n}:(ie=e,e=s),ce[o]={nextPos:ie,result:e},e)}()),ce[r]={nextPos:ie,result:e},e)}function Ce(){var e,r,n,o,a,i,u,l,c=32*ie+15,f=ce[c];if(f)return ie=f.nextPos,f.result;if(e=ie,(r=ve())!==s){for(n=[],o=ie,46===t.charCodeAt(ie)?(a=".",ie++):(a=s,de(D)),a!==s&&(i=ve())!==s?o=a=[a,i]:(ie=o,o=s);o!==s;)n.push(o),o=ie,46===t.charCodeAt(ie)?(a=".",ie++):(a=s,de(D)),a!==s&&(i=ve())!==s?o=a=[a,i]:(ie=o,o=s);n!==s?(u=r,l=n,e=r=[].concat.apply([u],l).join("")):(ie=e,e=s)}else ie=e,e=s;return ce[c]={nextPos:ie,result:e},e}function we(e){return{type:"nth-child",index:{type:"literal",value:e}}}function Pe(e){return{type:"nth-last-child",index:{type:"literal",value:e}}}if((n=l())!==s&&ie===t.length)return n;throw n!==s&&ie0&&p(e,t,r))&&f(t[0],t.slice(1),r)};case"descendant":var h=c(t.left),x=c(t.right);return function(e,t,r){if(x(e,t,r))for(var n=0,o=t.length;n":return function(e){return u(e,v)>t.value.value};case">=":return function(e){return u(e,v)>=t.value.value}}throw new Error("Unknown operator: ".concat(t.operator));case"sibling":var E=c(t.left),b=c(t.right);return function(e,r,n){return b(e,r,n)&&y(e,E,r,"LEFT_SIDE",n)||t.left.subject&&E(e,r,n)&&y(e,b,r,"RIGHT_SIDE",n)};case"adjacent":var S=c(t.left),_=c(t.right);return function(e,r,n){return _(e,r,n)&&d(e,S,r,"LEFT_SIDE",n)||t.right.subject&&S(e,r,n)&&d(e,_,r,"RIGHT_SIDE",n)};case"nth-child":var C=t.index.value,w=c(t.right);return function(e,t,r){return w(e,t,r)&&m(e,t,C,r)};case"nth-last-child":var P=-t.index.value,k=c(t.right);return function(e,t,r){return k(e,t,r)&&m(e,t,P,r)};case"class":var D=t.name.toLowerCase();return function(e,r,n){if(n&&n.matchClass)return n.matchClass(t.name,e,r);if(n&&n.nodeTypeKey)return!1;switch(D){case"statement":if("Statement"===e.type.slice(-9))return!0;case"declaration":return"Declaration"===e.type.slice(-11);case"pattern":if("Pattern"===e.type.slice(-7))return!0;case"expression":return"Expression"===e.type.slice(-10)||"Literal"===e.type.slice(-7)||"Identifier"===e.type&&(0===r.length||"MetaProperty"!==r[0].type)||"MetaProperty"===e.type;case"function":return"FunctionDeclaration"===e.type||"FunctionExpression"===e.type||"ArrowFunctionExpression"===e.type}throw new Error("Unknown class name: ".concat(t.name))}}throw new Error("Unknown selector type: ".concat(t.type))}function p(e,t){var r=t&&t.nodeTypeKey||"type",n=e[r];return t&&t.visitorKeys&&t.visitorKeys[n]?t.visitorKeys[n]:i.VisitorKeys[n]?i.VisitorKeys[n]:t&&"function"==typeof t.fallback?t.fallback(e):Object.keys(e).filter((function(e){return e!==r}))}function h(t,r){var n=r&&r.nodeTypeKey||"type";return null!==t&&"object"===e(t)&&"string"==typeof t[n]}function y(e,r,n,o,a){var i=t(n,1)[0];if(!i)return!1;for(var s=p(i,a),u=0;u0&&h(l[c-1],a)&&r(l[c-1],n,a))return!0;if("RIGHT_SIDE"===o&&c=0&&l\n Copyright (C) 2012 Ariya Hidayat \n\n Redistribution and use in source and binary forms, with or without\n modification, are permitted provided that the following conditions are met:\n\n * Redistributions of source code must retain the above copyright\n notice, this list of conditions and the following disclaimer.\n * Redistributions in binary form must reproduce the above copyright\n notice, this list of conditions and the following disclaimer in the\n documentation and/or other materials provided with the distribution.\n\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\"\n AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\n IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY\n DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND\n ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\n THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n*/\n/*jslint vars:false, bitwise:true*/\n/*jshint indent:4*/\n/*global exports:true*/\n(function clone(exports) {\n 'use strict';\n\n var Syntax,\n VisitorOption,\n VisitorKeys,\n BREAK,\n SKIP,\n REMOVE;\n\n function deepCopy(obj) {\n var ret = {}, key, val;\n for (key in obj) {\n if (obj.hasOwnProperty(key)) {\n val = obj[key];\n if (typeof val === 'object' && val !== null) {\n ret[key] = deepCopy(val);\n } else {\n ret[key] = val;\n }\n }\n }\n return ret;\n }\n\n // based on LLVM libc++ upper_bound / lower_bound\n // MIT License\n\n function upperBound(array, func) {\n var diff, len, i, current;\n\n len = array.length;\n i = 0;\n\n while (len) {\n diff = len >>> 1;\n current = i + diff;\n if (func(array[current])) {\n len = diff;\n } else {\n i = current + 1;\n len -= diff + 1;\n }\n }\n return i;\n }\n\n Syntax = {\n AssignmentExpression: 'AssignmentExpression',\n AssignmentPattern: 'AssignmentPattern',\n ArrayExpression: 'ArrayExpression',\n ArrayPattern: 'ArrayPattern',\n ArrowFunctionExpression: 'ArrowFunctionExpression',\n AwaitExpression: 'AwaitExpression', // CAUTION: It's deferred to ES7.\n BlockStatement: 'BlockStatement',\n BinaryExpression: 'BinaryExpression',\n BreakStatement: 'BreakStatement',\n CallExpression: 'CallExpression',\n CatchClause: 'CatchClause',\n ChainExpression: 'ChainExpression',\n ClassBody: 'ClassBody',\n ClassDeclaration: 'ClassDeclaration',\n ClassExpression: 'ClassExpression',\n ComprehensionBlock: 'ComprehensionBlock', // CAUTION: It's deferred to ES7.\n ComprehensionExpression: 'ComprehensionExpression', // CAUTION: It's deferred to ES7.\n ConditionalExpression: 'ConditionalExpression',\n ContinueStatement: 'ContinueStatement',\n DebuggerStatement: 'DebuggerStatement',\n DirectiveStatement: 'DirectiveStatement',\n DoWhileStatement: 'DoWhileStatement',\n EmptyStatement: 'EmptyStatement',\n ExportAllDeclaration: 'ExportAllDeclaration',\n ExportDefaultDeclaration: 'ExportDefaultDeclaration',\n ExportNamedDeclaration: 'ExportNamedDeclaration',\n ExportSpecifier: 'ExportSpecifier',\n ExpressionStatement: 'ExpressionStatement',\n ForStatement: 'ForStatement',\n ForInStatement: 'ForInStatement',\n ForOfStatement: 'ForOfStatement',\n FunctionDeclaration: 'FunctionDeclaration',\n FunctionExpression: 'FunctionExpression',\n GeneratorExpression: 'GeneratorExpression', // CAUTION: It's deferred to ES7.\n Identifier: 'Identifier',\n IfStatement: 'IfStatement',\n ImportExpression: 'ImportExpression',\n ImportDeclaration: 'ImportDeclaration',\n ImportDefaultSpecifier: 'ImportDefaultSpecifier',\n ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',\n ImportSpecifier: 'ImportSpecifier',\n Literal: 'Literal',\n LabeledStatement: 'LabeledStatement',\n LogicalExpression: 'LogicalExpression',\n MemberExpression: 'MemberExpression',\n MetaProperty: 'MetaProperty',\n MethodDefinition: 'MethodDefinition',\n ModuleSpecifier: 'ModuleSpecifier',\n NewExpression: 'NewExpression',\n ObjectExpression: 'ObjectExpression',\n ObjectPattern: 'ObjectPattern',\n PrivateIdentifier: 'PrivateIdentifier',\n Program: 'Program',\n Property: 'Property',\n PropertyDefinition: 'PropertyDefinition',\n RestElement: 'RestElement',\n ReturnStatement: 'ReturnStatement',\n SequenceExpression: 'SequenceExpression',\n SpreadElement: 'SpreadElement',\n Super: 'Super',\n SwitchStatement: 'SwitchStatement',\n SwitchCase: 'SwitchCase',\n TaggedTemplateExpression: 'TaggedTemplateExpression',\n TemplateElement: 'TemplateElement',\n TemplateLiteral: 'TemplateLiteral',\n ThisExpression: 'ThisExpression',\n ThrowStatement: 'ThrowStatement',\n TryStatement: 'TryStatement',\n UnaryExpression: 'UnaryExpression',\n UpdateExpression: 'UpdateExpression',\n VariableDeclaration: 'VariableDeclaration',\n VariableDeclarator: 'VariableDeclarator',\n WhileStatement: 'WhileStatement',\n WithStatement: 'WithStatement',\n YieldExpression: 'YieldExpression'\n };\n\n VisitorKeys = {\n AssignmentExpression: ['left', 'right'],\n AssignmentPattern: ['left', 'right'],\n ArrayExpression: ['elements'],\n ArrayPattern: ['elements'],\n ArrowFunctionExpression: ['params', 'body'],\n AwaitExpression: ['argument'], // CAUTION: It's deferred to ES7.\n BlockStatement: ['body'],\n BinaryExpression: ['left', 'right'],\n BreakStatement: ['label'],\n CallExpression: ['callee', 'arguments'],\n CatchClause: ['param', 'body'],\n ChainExpression: ['expression'],\n ClassBody: ['body'],\n ClassDeclaration: ['id', 'superClass', 'body'],\n ClassExpression: ['id', 'superClass', 'body'],\n ComprehensionBlock: ['left', 'right'], // CAUTION: It's deferred to ES7.\n ComprehensionExpression: ['blocks', 'filter', 'body'], // CAUTION: It's deferred to ES7.\n ConditionalExpression: ['test', 'consequent', 'alternate'],\n ContinueStatement: ['label'],\n DebuggerStatement: [],\n DirectiveStatement: [],\n DoWhileStatement: ['body', 'test'],\n EmptyStatement: [],\n ExportAllDeclaration: ['source'],\n ExportDefaultDeclaration: ['declaration'],\n ExportNamedDeclaration: ['declaration', 'specifiers', 'source'],\n ExportSpecifier: ['exported', 'local'],\n ExpressionStatement: ['expression'],\n ForStatement: ['init', 'test', 'update', 'body'],\n ForInStatement: ['left', 'right', 'body'],\n ForOfStatement: ['left', 'right', 'body'],\n FunctionDeclaration: ['id', 'params', 'body'],\n FunctionExpression: ['id', 'params', 'body'],\n GeneratorExpression: ['blocks', 'filter', 'body'], // CAUTION: It's deferred to ES7.\n Identifier: [],\n IfStatement: ['test', 'consequent', 'alternate'],\n ImportExpression: ['source'],\n ImportDeclaration: ['specifiers', 'source'],\n ImportDefaultSpecifier: ['local'],\n ImportNamespaceSpecifier: ['local'],\n ImportSpecifier: ['imported', 'local'],\n Literal: [],\n LabeledStatement: ['label', 'body'],\n LogicalExpression: ['left', 'right'],\n MemberExpression: ['object', 'property'],\n MetaProperty: ['meta', 'property'],\n MethodDefinition: ['key', 'value'],\n ModuleSpecifier: [],\n NewExpression: ['callee', 'arguments'],\n ObjectExpression: ['properties'],\n ObjectPattern: ['properties'],\n PrivateIdentifier: [],\n Program: ['body'],\n Property: ['key', 'value'],\n PropertyDefinition: ['key', 'value'],\n RestElement: [ 'argument' ],\n ReturnStatement: ['argument'],\n SequenceExpression: ['expressions'],\n SpreadElement: ['argument'],\n Super: [],\n SwitchStatement: ['discriminant', 'cases'],\n SwitchCase: ['test', 'consequent'],\n TaggedTemplateExpression: ['tag', 'quasi'],\n TemplateElement: [],\n TemplateLiteral: ['quasis', 'expressions'],\n ThisExpression: [],\n ThrowStatement: ['argument'],\n TryStatement: ['block', 'handler', 'finalizer'],\n UnaryExpression: ['argument'],\n UpdateExpression: ['argument'],\n VariableDeclaration: ['declarations'],\n VariableDeclarator: ['id', 'init'],\n WhileStatement: ['test', 'body'],\n WithStatement: ['object', 'body'],\n YieldExpression: ['argument']\n };\n\n // unique id\n BREAK = {};\n SKIP = {};\n REMOVE = {};\n\n VisitorOption = {\n Break: BREAK,\n Skip: SKIP,\n Remove: REMOVE\n };\n\n function Reference(parent, key) {\n this.parent = parent;\n this.key = key;\n }\n\n Reference.prototype.replace = function replace(node) {\n this.parent[this.key] = node;\n };\n\n Reference.prototype.remove = function remove() {\n if (Array.isArray(this.parent)) {\n this.parent.splice(this.key, 1);\n return true;\n } else {\n this.replace(null);\n return false;\n }\n };\n\n function Element(node, path, wrap, ref) {\n this.node = node;\n this.path = path;\n this.wrap = wrap;\n this.ref = ref;\n }\n\n function Controller() { }\n\n // API:\n // return property path array from root to current node\n Controller.prototype.path = function path() {\n var i, iz, j, jz, result, element;\n\n function addToPath(result, path) {\n if (Array.isArray(path)) {\n for (j = 0, jz = path.length; j < jz; ++j) {\n result.push(path[j]);\n }\n } else {\n result.push(path);\n }\n }\n\n // root node\n if (!this.__current.path) {\n return null;\n }\n\n // first node is sentinel, second node is root element\n result = [];\n for (i = 2, iz = this.__leavelist.length; i < iz; ++i) {\n element = this.__leavelist[i];\n addToPath(result, element.path);\n }\n addToPath(result, this.__current.path);\n return result;\n };\n\n // API:\n // return type of current node\n Controller.prototype.type = function () {\n var node = this.current();\n return node.type || this.__current.wrap;\n };\n\n // API:\n // return array of parent elements\n Controller.prototype.parents = function parents() {\n var i, iz, result;\n\n // first node is sentinel\n result = [];\n for (i = 1, iz = this.__leavelist.length; i < iz; ++i) {\n result.push(this.__leavelist[i].node);\n }\n\n return result;\n };\n\n // API:\n // return current node\n Controller.prototype.current = function current() {\n return this.__current.node;\n };\n\n Controller.prototype.__execute = function __execute(callback, element) {\n var previous, result;\n\n result = undefined;\n\n previous = this.__current;\n this.__current = element;\n this.__state = null;\n if (callback) {\n result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node);\n }\n this.__current = previous;\n\n return result;\n };\n\n // API:\n // notify control skip / break\n Controller.prototype.notify = function notify(flag) {\n this.__state = flag;\n };\n\n // API:\n // skip child nodes of current node\n Controller.prototype.skip = function () {\n this.notify(SKIP);\n };\n\n // API:\n // break traversals\n Controller.prototype['break'] = function () {\n this.notify(BREAK);\n };\n\n // API:\n // remove node\n Controller.prototype.remove = function () {\n this.notify(REMOVE);\n };\n\n Controller.prototype.__initialize = function(root, visitor) {\n this.visitor = visitor;\n this.root = root;\n this.__worklist = [];\n this.__leavelist = [];\n this.__current = null;\n this.__state = null;\n this.__fallback = null;\n if (visitor.fallback === 'iteration') {\n this.__fallback = Object.keys;\n } else if (typeof visitor.fallback === 'function') {\n this.__fallback = visitor.fallback;\n }\n\n this.__keys = VisitorKeys;\n if (visitor.keys) {\n this.__keys = Object.assign(Object.create(this.__keys), visitor.keys);\n }\n };\n\n function isNode(node) {\n if (node == null) {\n return false;\n }\n return typeof node === 'object' && typeof node.type === 'string';\n }\n\n function isProperty(nodeType, key) {\n return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key;\n }\n \n function candidateExistsInLeaveList(leavelist, candidate) {\n for (var i = leavelist.length - 1; i >= 0; --i) {\n if (leavelist[i].node === candidate) {\n return true;\n }\n }\n return false;\n }\n\n Controller.prototype.traverse = function traverse(root, visitor) {\n var worklist,\n leavelist,\n element,\n node,\n nodeType,\n ret,\n key,\n current,\n current2,\n candidates,\n candidate,\n sentinel;\n\n this.__initialize(root, visitor);\n\n sentinel = {};\n\n // reference\n worklist = this.__worklist;\n leavelist = this.__leavelist;\n\n // initialize\n worklist.push(new Element(root, null, null, null));\n leavelist.push(new Element(null, null, null, null));\n\n while (worklist.length) {\n element = worklist.pop();\n\n if (element === sentinel) {\n element = leavelist.pop();\n\n ret = this.__execute(visitor.leave, element);\n\n if (this.__state === BREAK || ret === BREAK) {\n return;\n }\n continue;\n }\n\n if (element.node) {\n\n ret = this.__execute(visitor.enter, element);\n\n if (this.__state === BREAK || ret === BREAK) {\n return;\n }\n\n worklist.push(sentinel);\n leavelist.push(element);\n\n if (this.__state === SKIP || ret === SKIP) {\n continue;\n }\n\n node = element.node;\n nodeType = node.type || element.wrap;\n candidates = this.__keys[nodeType];\n if (!candidates) {\n if (this.__fallback) {\n candidates = this.__fallback(node);\n } else {\n throw new Error('Unknown node type ' + nodeType + '.');\n }\n }\n\n current = candidates.length;\n while ((current -= 1) >= 0) {\n key = candidates[current];\n candidate = node[key];\n if (!candidate) {\n continue;\n }\n\n if (Array.isArray(candidate)) {\n current2 = candidate.length;\n while ((current2 -= 1) >= 0) {\n if (!candidate[current2]) {\n continue;\n }\n\n if (candidateExistsInLeaveList(leavelist, candidate[current2])) {\n continue;\n }\n\n if (isProperty(nodeType, candidates[current])) {\n element = new Element(candidate[current2], [key, current2], 'Property', null);\n } else if (isNode(candidate[current2])) {\n element = new Element(candidate[current2], [key, current2], null, null);\n } else {\n continue;\n }\n worklist.push(element);\n }\n } else if (isNode(candidate)) {\n if (candidateExistsInLeaveList(leavelist, candidate)) {\n continue;\n }\n\n worklist.push(new Element(candidate, key, null, null));\n }\n }\n }\n }\n };\n\n Controller.prototype.replace = function replace(root, visitor) {\n var worklist,\n leavelist,\n node,\n nodeType,\n target,\n element,\n current,\n current2,\n candidates,\n candidate,\n sentinel,\n outer,\n key;\n\n function removeElem(element) {\n var i,\n key,\n nextElem,\n parent;\n\n if (element.ref.remove()) {\n // When the reference is an element of an array.\n key = element.ref.key;\n parent = element.ref.parent;\n\n // If removed from array, then decrease following items' keys.\n i = worklist.length;\n while (i--) {\n nextElem = worklist[i];\n if (nextElem.ref && nextElem.ref.parent === parent) {\n if (nextElem.ref.key < key) {\n break;\n }\n --nextElem.ref.key;\n }\n }\n }\n }\n\n this.__initialize(root, visitor);\n\n sentinel = {};\n\n // reference\n worklist = this.__worklist;\n leavelist = this.__leavelist;\n\n // initialize\n outer = {\n root: root\n };\n element = new Element(root, null, null, new Reference(outer, 'root'));\n worklist.push(element);\n leavelist.push(element);\n\n while (worklist.length) {\n element = worklist.pop();\n\n if (element === sentinel) {\n element = leavelist.pop();\n\n target = this.__execute(visitor.leave, element);\n\n // node may be replaced with null,\n // so distinguish between undefined and null in this place\n if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {\n // replace\n element.ref.replace(target);\n }\n\n if (this.__state === REMOVE || target === REMOVE) {\n removeElem(element);\n }\n\n if (this.__state === BREAK || target === BREAK) {\n return outer.root;\n }\n continue;\n }\n\n target = this.__execute(visitor.enter, element);\n\n // node may be replaced with null,\n // so distinguish between undefined and null in this place\n if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {\n // replace\n element.ref.replace(target);\n element.node = target;\n }\n\n if (this.__state === REMOVE || target === REMOVE) {\n removeElem(element);\n element.node = null;\n }\n\n if (this.__state === BREAK || target === BREAK) {\n return outer.root;\n }\n\n // node may be null\n node = element.node;\n if (!node) {\n continue;\n }\n\n worklist.push(sentinel);\n leavelist.push(element);\n\n if (this.__state === SKIP || target === SKIP) {\n continue;\n }\n\n nodeType = node.type || element.wrap;\n candidates = this.__keys[nodeType];\n if (!candidates) {\n if (this.__fallback) {\n candidates = this.__fallback(node);\n } else {\n throw new Error('Unknown node type ' + nodeType + '.');\n }\n }\n\n current = candidates.length;\n while ((current -= 1) >= 0) {\n key = candidates[current];\n candidate = node[key];\n if (!candidate) {\n continue;\n }\n\n if (Array.isArray(candidate)) {\n current2 = candidate.length;\n while ((current2 -= 1) >= 0) {\n if (!candidate[current2]) {\n continue;\n }\n if (isProperty(nodeType, candidates[current])) {\n element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2));\n } else if (isNode(candidate[current2])) {\n element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2));\n } else {\n continue;\n }\n worklist.push(element);\n }\n } else if (isNode(candidate)) {\n worklist.push(new Element(candidate, key, null, new Reference(node, key)));\n }\n }\n }\n\n return outer.root;\n };\n\n function traverse(root, visitor) {\n var controller = new Controller();\n return controller.traverse(root, visitor);\n }\n\n function replace(root, visitor) {\n var controller = new Controller();\n return controller.replace(root, visitor);\n }\n\n function extendCommentRange(comment, tokens) {\n var target;\n\n target = upperBound(tokens, function search(token) {\n return token.range[0] > comment.range[0];\n });\n\n comment.extendedRange = [comment.range[0], comment.range[1]];\n\n if (target !== tokens.length) {\n comment.extendedRange[1] = tokens[target].range[0];\n }\n\n target -= 1;\n if (target >= 0) {\n comment.extendedRange[0] = tokens[target].range[1];\n }\n\n return comment;\n }\n\n function attachComments(tree, providedComments, tokens) {\n // At first, we should calculate extended comment ranges.\n var comments = [], comment, len, i, cursor;\n\n if (!tree.range) {\n throw new Error('attachComments needs range information');\n }\n\n // tokens array is empty, we attach comments to tree as 'leadingComments'\n if (!tokens.length) {\n if (providedComments.length) {\n for (i = 0, len = providedComments.length; i < len; i += 1) {\n comment = deepCopy(providedComments[i]);\n comment.extendedRange = [0, tree.range[0]];\n comments.push(comment);\n }\n tree.leadingComments = comments;\n }\n return tree;\n }\n\n for (i = 0, len = providedComments.length; i < len; i += 1) {\n comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens));\n }\n\n // This is based on John Freeman's implementation.\n cursor = 0;\n traverse(tree, {\n enter: function (node) {\n var comment;\n\n while (cursor < comments.length) {\n comment = comments[cursor];\n if (comment.extendedRange[1] > node.range[0]) {\n break;\n }\n\n if (comment.extendedRange[1] === node.range[0]) {\n if (!node.leadingComments) {\n node.leadingComments = [];\n }\n node.leadingComments.push(comment);\n comments.splice(cursor, 1);\n } else {\n cursor += 1;\n }\n }\n\n // already out of owned node\n if (cursor === comments.length) {\n return VisitorOption.Break;\n }\n\n if (comments[cursor].extendedRange[0] > node.range[1]) {\n return VisitorOption.Skip;\n }\n }\n });\n\n cursor = 0;\n traverse(tree, {\n leave: function (node) {\n var comment;\n\n while (cursor < comments.length) {\n comment = comments[cursor];\n if (node.range[1] < comment.extendedRange[0]) {\n break;\n }\n\n if (node.range[1] === comment.extendedRange[0]) {\n if (!node.trailingComments) {\n node.trailingComments = [];\n }\n node.trailingComments.push(comment);\n comments.splice(cursor, 1);\n } else {\n cursor += 1;\n }\n }\n\n // already out of owned node\n if (cursor === comments.length) {\n return VisitorOption.Break;\n }\n\n if (comments[cursor].extendedRange[0] > node.range[1]) {\n return VisitorOption.Skip;\n }\n }\n });\n\n return tree;\n }\n\n exports.Syntax = Syntax;\n exports.traverse = traverse;\n exports.replace = replace;\n exports.attachComments = attachComments;\n exports.VisitorKeys = VisitorKeys;\n exports.VisitorOption = VisitorOption;\n exports.Controller = Controller;\n exports.cloneEnvironment = function () { return clone({}); };\n\n return exports;\n}(exports));\n/* vim: set sw=4 ts=4 et tw=80 : */\n","/*\n * Generated by PEG.js 0.10.0.\n *\n * http://pegjs.org/\n */\n(function(root, factory) {\n if (typeof define === \"function\" && define.amd) {\n define([], factory);\n } else if (typeof module === \"object\" && module.exports) {\n module.exports = factory();\n }\n})(this, function() {\n \"use strict\";\n\n function peg$subclass(child, parent) {\n function ctor() { this.constructor = child; }\n ctor.prototype = parent.prototype;\n child.prototype = new ctor();\n }\n\n function peg$SyntaxError(message, expected, found, location) {\n this.message = message;\n this.expected = expected;\n this.found = found;\n this.location = location;\n this.name = \"SyntaxError\";\n\n if (typeof Error.captureStackTrace === \"function\") {\n Error.captureStackTrace(this, peg$SyntaxError);\n }\n }\n\n peg$subclass(peg$SyntaxError, Error);\n\n peg$SyntaxError.buildMessage = function(expected, found) {\n var DESCRIBE_EXPECTATION_FNS = {\n literal: function(expectation) {\n return \"\\\"\" + literalEscape(expectation.text) + \"\\\"\";\n },\n\n \"class\": function(expectation) {\n var escapedParts = \"\",\n i;\n\n for (i = 0; i < expectation.parts.length; i++) {\n escapedParts += expectation.parts[i] instanceof Array\n ? classEscape(expectation.parts[i][0]) + \"-\" + classEscape(expectation.parts[i][1])\n : classEscape(expectation.parts[i]);\n }\n\n return \"[\" + (expectation.inverted ? \"^\" : \"\") + escapedParts + \"]\";\n },\n\n any: function(expectation) {\n return \"any character\";\n },\n\n end: function(expectation) {\n return \"end of input\";\n },\n\n other: function(expectation) {\n return expectation.description;\n }\n };\n\n function hex(ch) {\n return ch.charCodeAt(0).toString(16).toUpperCase();\n }\n\n function literalEscape(s) {\n return s\n .replace(/\\\\/g, '\\\\\\\\')\n .replace(/\"/g, '\\\\\"')\n .replace(/\\0/g, '\\\\0')\n .replace(/\\t/g, '\\\\t')\n .replace(/\\n/g, '\\\\n')\n .replace(/\\r/g, '\\\\r')\n .replace(/[\\x00-\\x0F]/g, function(ch) { return '\\\\x0' + hex(ch); })\n .replace(/[\\x10-\\x1F\\x7F-\\x9F]/g, function(ch) { return '\\\\x' + hex(ch); });\n }\n\n function classEscape(s) {\n return s\n .replace(/\\\\/g, '\\\\\\\\')\n .replace(/\\]/g, '\\\\]')\n .replace(/\\^/g, '\\\\^')\n .replace(/-/g, '\\\\-')\n .replace(/\\0/g, '\\\\0')\n .replace(/\\t/g, '\\\\t')\n .replace(/\\n/g, '\\\\n')\n .replace(/\\r/g, '\\\\r')\n .replace(/[\\x00-\\x0F]/g, function(ch) { return '\\\\x0' + hex(ch); })\n .replace(/[\\x10-\\x1F\\x7F-\\x9F]/g, function(ch) { return '\\\\x' + hex(ch); });\n }\n\n function describeExpectation(expectation) {\n return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation);\n }\n\n function describeExpected(expected) {\n var descriptions = new Array(expected.length),\n i, j;\n\n for (i = 0; i < expected.length; i++) {\n descriptions[i] = describeExpectation(expected[i]);\n }\n\n descriptions.sort();\n\n if (descriptions.length > 0) {\n for (i = 1, j = 1; i < descriptions.length; i++) {\n if (descriptions[i - 1] !== descriptions[i]) {\n descriptions[j] = descriptions[i];\n j++;\n }\n }\n descriptions.length = j;\n }\n\n switch (descriptions.length) {\n case 1:\n return descriptions[0];\n\n case 2:\n return descriptions[0] + \" or \" + descriptions[1];\n\n default:\n return descriptions.slice(0, -1).join(\", \")\n + \", or \"\n + descriptions[descriptions.length - 1];\n }\n }\n\n function describeFound(found) {\n return found ? \"\\\"\" + literalEscape(found) + \"\\\"\" : \"end of input\";\n }\n\n return \"Expected \" + describeExpected(expected) + \" but \" + describeFound(found) + \" found.\";\n };\n\n function peg$parse(input, options) {\n options = options !== void 0 ? options : {};\n\n var peg$FAILED = {},\n\n peg$startRuleFunctions = { start: peg$parsestart },\n peg$startRuleFunction = peg$parsestart,\n\n peg$c0 = function(ss) {\n return ss.length === 1 ? ss[0] : { type: 'matches', selectors: ss };\n },\n peg$c1 = function() { return void 0; },\n peg$c2 = \" \",\n peg$c3 = peg$literalExpectation(\" \", false),\n peg$c4 = /^[^ [\\],():#!=><~+.]/,\n peg$c5 = peg$classExpectation([\" \", \"[\", \"]\", \",\", \"(\", \")\", \":\", \"#\", \"!\", \"=\", \">\", \"<\", \"~\", \"+\", \".\"], true, false),\n peg$c6 = function(i) { return i.join(''); },\n peg$c7 = \">\",\n peg$c8 = peg$literalExpectation(\">\", false),\n peg$c9 = function() { return 'child'; },\n peg$c10 = \"~\",\n peg$c11 = peg$literalExpectation(\"~\", false),\n peg$c12 = function() { return 'sibling'; },\n peg$c13 = \"+\",\n peg$c14 = peg$literalExpectation(\"+\", false),\n peg$c15 = function() { return 'adjacent'; },\n peg$c16 = function() { return 'descendant'; },\n peg$c17 = \",\",\n peg$c18 = peg$literalExpectation(\",\", false),\n peg$c19 = function(s, ss) {\n return [s].concat(ss.map(function (s) { return s[3]; }));\n },\n peg$c20 = function(op, s) {\n if (!op) return s;\n return { type: op, left: { type: 'exactNode' }, right: s };\n },\n peg$c21 = function(a, ops) {\n return ops.reduce(function (memo, rhs) {\n return { type: rhs[0], left: memo, right: rhs[1] };\n }, a);\n },\n peg$c22 = \"!\",\n peg$c23 = peg$literalExpectation(\"!\", false),\n peg$c24 = function(subject, as) {\n const b = as.length === 1 ? as[0] : { type: 'compound', selectors: as };\n if(subject) b.subject = true;\n return b;\n },\n peg$c25 = \"*\",\n peg$c26 = peg$literalExpectation(\"*\", false),\n peg$c27 = function(a) { return { type: 'wildcard', value: a }; },\n peg$c28 = \"#\",\n peg$c29 = peg$literalExpectation(\"#\", false),\n peg$c30 = function(i) { return { type: 'identifier', value: i }; },\n peg$c31 = \"[\",\n peg$c32 = peg$literalExpectation(\"[\", false),\n peg$c33 = \"]\",\n peg$c34 = peg$literalExpectation(\"]\", false),\n peg$c35 = function(v) { return v; },\n peg$c36 = /^[>\", \"<\", \"!\"], false, false),\n peg$c38 = \"=\",\n peg$c39 = peg$literalExpectation(\"=\", false),\n peg$c40 = function(a) { return (a || '') + '='; },\n peg$c41 = /^[><]/,\n peg$c42 = peg$classExpectation([\">\", \"<\"], false, false),\n peg$c43 = \".\",\n peg$c44 = peg$literalExpectation(\".\", false),\n peg$c45 = function(a, as) {\n return [].concat.apply([a], as).join('');\n },\n peg$c46 = function(name, op, value) {\n return { type: 'attribute', name: name, operator: op, value: value };\n },\n peg$c47 = function(name) { return { type: 'attribute', name: name }; },\n peg$c48 = \"\\\"\",\n peg$c49 = peg$literalExpectation(\"\\\"\", false),\n peg$c50 = /^[^\\\\\"]/,\n peg$c51 = peg$classExpectation([\"\\\\\", \"\\\"\"], true, false),\n peg$c52 = \"\\\\\",\n peg$c53 = peg$literalExpectation(\"\\\\\", false),\n peg$c54 = peg$anyExpectation(),\n peg$c55 = function(a, b) { return a + b; },\n peg$c56 = function(d) {\n return { type: 'literal', value: strUnescape(d.join('')) };\n },\n peg$c57 = \"'\",\n peg$c58 = peg$literalExpectation(\"'\", false),\n peg$c59 = /^[^\\\\']/,\n peg$c60 = peg$classExpectation([\"\\\\\", \"'\"], true, false),\n peg$c61 = /^[0-9]/,\n peg$c62 = peg$classExpectation([[\"0\", \"9\"]], false, false),\n peg$c63 = function(a, b) {\n // Can use `a.flat().join('')` once supported\n const leadingDecimals = a ? [].concat.apply([], a).join('') : '';\n return { type: 'literal', value: parseFloat(leadingDecimals + b.join('')) };\n },\n peg$c64 = function(i) { return { type: 'literal', value: i }; },\n peg$c65 = \"type(\",\n peg$c66 = peg$literalExpectation(\"type(\", false),\n peg$c67 = /^[^ )]/,\n peg$c68 = peg$classExpectation([\" \", \")\"], true, false),\n peg$c69 = \")\",\n peg$c70 = peg$literalExpectation(\")\", false),\n peg$c71 = function(t) { return { type: 'type', value: t.join('') }; },\n peg$c72 = /^[imsu]/,\n peg$c73 = peg$classExpectation([\"i\", \"m\", \"s\", \"u\"], false, false),\n peg$c74 = \"/\",\n peg$c75 = peg$literalExpectation(\"/\", false),\n peg$c76 = /^[^\\/]/,\n peg$c77 = peg$classExpectation([\"/\"], true, false),\n peg$c78 = function(d, flgs) { return {\n type: 'regexp', value: new RegExp(d.join(''), flgs ? flgs.join('') : '') };\n },\n peg$c79 = function(i, is) {\n return { type: 'field', name: is.reduce(function(memo, p){ return memo + p[0] + p[1]; }, i)};\n },\n peg$c80 = \":not(\",\n peg$c81 = peg$literalExpectation(\":not(\", false),\n peg$c82 = function(ss) { return { type: 'not', selectors: ss }; },\n peg$c83 = \":matches(\",\n peg$c84 = peg$literalExpectation(\":matches(\", false),\n peg$c85 = function(ss) { return { type: 'matches', selectors: ss }; },\n peg$c86 = \":has(\",\n peg$c87 = peg$literalExpectation(\":has(\", false),\n peg$c88 = function(ss) { return { type: 'has', selectors: ss }; },\n peg$c89 = \":first-child\",\n peg$c90 = peg$literalExpectation(\":first-child\", false),\n peg$c91 = function() { return nth(1); },\n peg$c92 = \":last-child\",\n peg$c93 = peg$literalExpectation(\":last-child\", false),\n peg$c94 = function() { return nthLast(1); },\n peg$c95 = \":nth-child(\",\n peg$c96 = peg$literalExpectation(\":nth-child(\", false),\n peg$c97 = function(n) { return nth(parseInt(n.join(''), 10)); },\n peg$c98 = \":nth-last-child(\",\n peg$c99 = peg$literalExpectation(\":nth-last-child(\", false),\n peg$c100 = function(n) { return nthLast(parseInt(n.join(''), 10)); },\n peg$c101 = \":\",\n peg$c102 = peg$literalExpectation(\":\", false),\n peg$c103 = function(c) {\n return { type: 'class', name: c };\n },\n\n peg$currPos = 0,\n peg$savedPos = 0,\n peg$posDetailsCache = [{ line: 1, column: 1 }],\n peg$maxFailPos = 0,\n peg$maxFailExpected = [],\n peg$silentFails = 0,\n\n peg$resultsCache = {},\n\n peg$result;\n\n if (\"startRule\" in options) {\n if (!(options.startRule in peg$startRuleFunctions)) {\n throw new Error(\"Can't start parsing from rule \\\"\" + options.startRule + \"\\\".\");\n }\n\n peg$startRuleFunction = peg$startRuleFunctions[options.startRule];\n }\n\n function text() {\n return input.substring(peg$savedPos, peg$currPos);\n }\n\n function location() {\n return peg$computeLocation(peg$savedPos, peg$currPos);\n }\n\n function expected(description, location) {\n location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos)\n\n throw peg$buildStructuredError(\n [peg$otherExpectation(description)],\n input.substring(peg$savedPos, peg$currPos),\n location\n );\n }\n\n function error(message, location) {\n location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos)\n\n throw peg$buildSimpleError(message, location);\n }\n\n function peg$literalExpectation(text, ignoreCase) {\n return { type: \"literal\", text: text, ignoreCase: ignoreCase };\n }\n\n function peg$classExpectation(parts, inverted, ignoreCase) {\n return { type: \"class\", parts: parts, inverted: inverted, ignoreCase: ignoreCase };\n }\n\n function peg$anyExpectation() {\n return { type: \"any\" };\n }\n\n function peg$endExpectation() {\n return { type: \"end\" };\n }\n\n function peg$otherExpectation(description) {\n return { type: \"other\", description: description };\n }\n\n function peg$computePosDetails(pos) {\n var details = peg$posDetailsCache[pos], p;\n\n if (details) {\n return details;\n } else {\n p = pos - 1;\n while (!peg$posDetailsCache[p]) {\n p--;\n }\n\n details = peg$posDetailsCache[p];\n details = {\n line: details.line,\n column: details.column\n };\n\n while (p < pos) {\n if (input.charCodeAt(p) === 10) {\n details.line++;\n details.column = 1;\n } else {\n details.column++;\n }\n\n p++;\n }\n\n peg$posDetailsCache[pos] = details;\n return details;\n }\n }\n\n function peg$computeLocation(startPos, endPos) {\n var startPosDetails = peg$computePosDetails(startPos),\n endPosDetails = peg$computePosDetails(endPos);\n\n return {\n start: {\n offset: startPos,\n line: startPosDetails.line,\n column: startPosDetails.column\n },\n end: {\n offset: endPos,\n line: endPosDetails.line,\n column: endPosDetails.column\n }\n };\n }\n\n function peg$fail(expected) {\n if (peg$currPos < peg$maxFailPos) { return; }\n\n if (peg$currPos > peg$maxFailPos) {\n peg$maxFailPos = peg$currPos;\n peg$maxFailExpected = [];\n }\n\n peg$maxFailExpected.push(expected);\n }\n\n function peg$buildSimpleError(message, location) {\n return new peg$SyntaxError(message, null, null, location);\n }\n\n function peg$buildStructuredError(expected, found, location) {\n return new peg$SyntaxError(\n peg$SyntaxError.buildMessage(expected, found),\n expected,\n found,\n location\n );\n }\n\n function peg$parsestart() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 0,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n s2 = peg$parseselectors();\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c0(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c1();\n }\n s0 = s1;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parse_() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 1,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = [];\n if (input.charCodeAt(peg$currPos) === 32) {\n s1 = peg$c2;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c3); }\n }\n while (s1 !== peg$FAILED) {\n s0.push(s1);\n if (input.charCodeAt(peg$currPos) === 32) {\n s1 = peg$c2;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c3); }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseidentifierName() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 2,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = [];\n if (peg$c4.test(input.charAt(peg$currPos))) {\n s2 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c5); }\n }\n if (s2 !== peg$FAILED) {\n while (s2 !== peg$FAILED) {\n s1.push(s2);\n if (peg$c4.test(input.charAt(peg$currPos))) {\n s2 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c5); }\n }\n }\n } else {\n s1 = peg$FAILED;\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c6(s1);\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsebinaryOp() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 3,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 62) {\n s2 = peg$c7;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c8); }\n }\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c9();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 126) {\n s2 = peg$c10;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c11); }\n }\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c12();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 43) {\n s2 = peg$c13;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c14); }\n }\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c15();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 32) {\n s1 = peg$c2;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c3); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c16();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsehasSelectors() {\n var s0, s1, s2, s3, s4, s5, s6, s7;\n\n var key = peg$currPos * 32 + 4,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parsehasSelector();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parsehasSelector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parsehasSelector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c19(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseselectors() {\n var s0, s1, s2, s3, s4, s5, s6, s7;\n\n var key = peg$currPos * 32 + 5,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseselector();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parseselector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parseselector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c19(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsehasSelector() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 6,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parsebinaryOp();\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseselector();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c20(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseselector() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 7,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parsesequence();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n s4 = peg$parsebinaryOp();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsesequence();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n s4 = peg$parsebinaryOp();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsesequence();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c21(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsesequence() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 8,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 33) {\n s1 = peg$c22;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c23); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$parseatom();\n if (s3 !== peg$FAILED) {\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$parseatom();\n }\n } else {\n s2 = peg$FAILED;\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c24(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseatom() {\n var s0;\n\n var key = peg$currPos * 32 + 9,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$parsewildcard();\n if (s0 === peg$FAILED) {\n s0 = peg$parseidentifier();\n if (s0 === peg$FAILED) {\n s0 = peg$parseattr();\n if (s0 === peg$FAILED) {\n s0 = peg$parsefield();\n if (s0 === peg$FAILED) {\n s0 = peg$parsenegation();\n if (s0 === peg$FAILED) {\n s0 = peg$parsematches();\n if (s0 === peg$FAILED) {\n s0 = peg$parsehas();\n if (s0 === peg$FAILED) {\n s0 = peg$parsefirstChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parselastChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parsenthChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parsenthLastChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parseclass();\n }\n }\n }\n }\n }\n }\n }\n }\n }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsewildcard() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 10,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 42) {\n s1 = peg$c25;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c26); }\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c27(s1);\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseidentifier() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 11,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 35) {\n s1 = peg$c28;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c29); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseidentifierName();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c30(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattr() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 12,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 91) {\n s1 = peg$c31;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c32); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseattrValue();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 93) {\n s5 = peg$c33;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c34); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c35(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrOps() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 13,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (peg$c36.test(input.charAt(peg$currPos))) {\n s1 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c37); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 61) {\n s2 = peg$c38;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c39); }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c40(s1);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n if (peg$c41.test(input.charAt(peg$currPos))) {\n s0 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s0 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c42); }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrEqOps() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 14,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 33) {\n s1 = peg$c22;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c23); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 61) {\n s2 = peg$c38;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c39); }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c40(s1);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrName() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 15,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseidentifierName();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s4 = peg$c43;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s4 !== peg$FAILED) {\n s5 = peg$parseidentifierName();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s4 = peg$c43;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s4 !== peg$FAILED) {\n s5 = peg$parseidentifierName();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c45(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrValue() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 16,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseattrName();\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseattrEqOps();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsetype();\n if (s5 === peg$FAILED) {\n s5 = peg$parseregex();\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c46(s1, s3, s5);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parseattrName();\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseattrOps();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsestring();\n if (s5 === peg$FAILED) {\n s5 = peg$parsenumber();\n if (s5 === peg$FAILED) {\n s5 = peg$parsepath();\n }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c46(s1, s3, s5);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parseattrName();\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c47(s1);\n }\n s0 = s1;\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsestring() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 17,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 34) {\n s1 = peg$c48;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c49); }\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c50.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c51); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c50.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c51); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 34) {\n s3 = peg$c48;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c49); }\n }\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c56(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 39) {\n s1 = peg$c57;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c58); }\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c59.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c60); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c59.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c60); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 39) {\n s3 = peg$c57;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c58); }\n }\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c56(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenumber() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 18,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$currPos;\n s2 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 46) {\n s3 = peg$c43;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s3 !== peg$FAILED) {\n s2 = [s2, s3];\n s1 = s2;\n } else {\n peg$currPos = s1;\n s1 = peg$FAILED;\n }\n } else {\n peg$currPos = s1;\n s1 = peg$FAILED;\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n if (s3 !== peg$FAILED) {\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n } else {\n s2 = peg$FAILED;\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c63(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsepath() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 19,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseidentifierName();\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c64(s1);\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsetype() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 20,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 5) === peg$c65) {\n s1 = peg$c65;\n peg$currPos += 5;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c66); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = [];\n if (peg$c67.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c68); }\n }\n if (s4 !== peg$FAILED) {\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n if (peg$c67.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c68); }\n }\n }\n } else {\n s3 = peg$FAILED;\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c71(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseflags() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 21,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = [];\n if (peg$c72.test(input.charAt(peg$currPos))) {\n s1 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c73); }\n }\n if (s1 !== peg$FAILED) {\n while (s1 !== peg$FAILED) {\n s0.push(s1);\n if (peg$c72.test(input.charAt(peg$currPos))) {\n s1 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c73); }\n }\n }\n } else {\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseregex() {\n var s0, s1, s2, s3, s4;\n\n var key = peg$currPos * 32 + 22,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 47) {\n s1 = peg$c74;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c75); }\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c76.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c77); }\n }\n if (s3 !== peg$FAILED) {\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c76.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c77); }\n }\n }\n } else {\n s2 = peg$FAILED;\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 47) {\n s3 = peg$c74;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c75); }\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parseflags();\n if (s4 === peg$FAILED) {\n s4 = null;\n }\n if (s4 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c78(s2, s4);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsefield() {\n var s0, s1, s2, s3, s4, s5, s6;\n\n var key = peg$currPos * 32 + 23,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s1 = peg$c43;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseidentifierName();\n if (s2 !== peg$FAILED) {\n s3 = [];\n s4 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s5 = peg$c43;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parseidentifierName();\n if (s6 !== peg$FAILED) {\n s5 = [s5, s6];\n s4 = s5;\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n s4 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s5 = peg$c43;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parseidentifierName();\n if (s6 !== peg$FAILED) {\n s5 = [s5, s6];\n s4 = s5;\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n }\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c79(s2, s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenegation() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 24,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 5) === peg$c80) {\n s1 = peg$c80;\n peg$currPos += 5;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c81); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseselectors();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c82(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsematches() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 25,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 9) === peg$c83) {\n s1 = peg$c83;\n peg$currPos += 9;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c84); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseselectors();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c85(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsehas() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 26,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 5) === peg$c86) {\n s1 = peg$c86;\n peg$currPos += 5;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c87); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parsehasSelectors();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c88(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsefirstChild() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 27,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 12) === peg$c89) {\n s1 = peg$c89;\n peg$currPos += 12;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c90); }\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c91();\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parselastChild() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 28,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 11) === peg$c92) {\n s1 = peg$c92;\n peg$currPos += 11;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c93); }\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c94();\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenthChild() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 29,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 11) === peg$c95) {\n s1 = peg$c95;\n peg$currPos += 11;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c96); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n if (s4 !== peg$FAILED) {\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n } else {\n s3 = peg$FAILED;\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c97(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenthLastChild() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 30,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 16) === peg$c98) {\n s1 = peg$c98;\n peg$currPos += 16;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c99); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n if (s4 !== peg$FAILED) {\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n } else {\n s3 = peg$FAILED;\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c100(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseclass() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 31,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 58) {\n s1 = peg$c101;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c102); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseidentifierName();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c103(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n\n function nth(n) { return { type: 'nth-child', index: { type: 'literal', value: n } }; }\n function nthLast(n) { return { type: 'nth-last-child', index: { type: 'literal', value: n } }; }\n function strUnescape(s) {\n return s.replace(/\\\\(.)/g, function(match, ch) {\n switch(ch) {\n case 'b': return '\\b';\n case 'f': return '\\f';\n case 'n': return '\\n';\n case 'r': return '\\r';\n case 't': return '\\t';\n case 'v': return '\\v';\n default: return ch;\n }\n });\n }\n\n\n peg$result = peg$startRuleFunction();\n\n if (peg$result !== peg$FAILED && peg$currPos === input.length) {\n return peg$result;\n } else {\n if (peg$result !== peg$FAILED && peg$currPos < input.length) {\n peg$fail(peg$endExpectation());\n }\n\n throw peg$buildStructuredError(\n peg$maxFailExpected,\n peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null,\n peg$maxFailPos < input.length\n ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1)\n : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)\n );\n }\n }\n\n return {\n SyntaxError: peg$SyntaxError,\n parse: peg$parse\n };\n});\n","/* vim: set sw=4 sts=4 : */\nimport estraverse from 'estraverse';\nimport parser from './parser.js';\n\n/**\n* @typedef {\"LEFT_SIDE\"|\"RIGHT_SIDE\"} Side\n*/\n\nconst LEFT_SIDE = 'LEFT_SIDE';\nconst RIGHT_SIDE = 'RIGHT_SIDE';\n\n/**\n * @external AST\n * @see https://esprima.readthedocs.io/en/latest/syntax-tree-format.html\n */\n\n/**\n * One of the rules of `grammar.pegjs`\n * @typedef {PlainObject} SelectorAST\n * @see grammar.pegjs\n*/\n\n/**\n * The `sequence` production of `grammar.pegjs`\n * @typedef {PlainObject} SelectorSequenceAST\n*/\n\n/**\n * Get the value of a property which may be multiple levels down\n * in the object.\n * @param {?PlainObject} obj\n * @param {string[]} keys\n * @returns {undefined|boolean|string|number|external:AST}\n */\nfunction getPath(obj, keys) {\n for (let i = 0; i < keys.length; ++i) {\n if (obj == null) { return obj; }\n obj = obj[keys[i]];\n }\n return obj;\n}\n\n/**\n * Determine whether `node` can be reached by following `path`,\n * starting at `ancestor`.\n * @param {?external:AST} node\n * @param {?external:AST} ancestor\n * @param {string[]} path\n * @param {Integer} fromPathIndex\n * @returns {boolean}\n */\nfunction inPath(node, ancestor, path, fromPathIndex) {\n let current = ancestor;\n for (let i = fromPathIndex; i < path.length; ++i) {\n if (current == null) {\n return false;\n }\n const field = current[path[i]];\n if (Array.isArray(field)) {\n for (let k = 0; k < field.length; ++k) {\n if (inPath(node, field[k], path, i + 1)) {\n return true;\n }\n }\n return false;\n }\n current = field;\n }\n return node === current;\n}\n\n/**\n * A generated matcher function for a selector.\n * @callback SelectorMatcher\n * @param {?SelectorAST} selector\n * @param {external:AST[]} [ancestry=[]]\n * @param {ESQueryOptions} [options]\n * @returns {void}\n*/\n\n/**\n * A WeakMap for holding cached matcher functions for selectors.\n * @type {WeakMap}\n*/\nconst MATCHER_CACHE = typeof WeakMap === 'function' ? new WeakMap : null;\n\n/**\n * Look up a matcher function for `selector` in the cache.\n * If it does not exist, generate it with `generateMatcher` and add it to the cache.\n * In engines without WeakMap, the caching is skipped and matchers are generated with every call.\n * @param {?SelectorAST} selector\n * @returns {SelectorMatcher}\n */\nfunction getMatcher(selector) {\n if (selector == null) {\n return () => true;\n }\n\n if (MATCHER_CACHE != null) {\n let matcher = MATCHER_CACHE.get(selector);\n if (matcher != null) {\n return matcher;\n }\n matcher = generateMatcher(selector);\n MATCHER_CACHE.set(selector, matcher);\n return matcher;\n }\n\n return generateMatcher(selector);\n}\n\n/**\n * Create a matcher function for `selector`,\n * @param {?SelectorAST} selector\n * @returns {SelectorMatcher}\n */\nfunction generateMatcher(selector) {\n switch(selector.type) {\n case 'wildcard':\n return () => true;\n\n case 'identifier': {\n const value = selector.value.toLowerCase();\n return (node, ancestry, options) => {\n const nodeTypeKey = (options && options.nodeTypeKey) || 'type';\n return value === node[nodeTypeKey].toLowerCase();\n };\n }\n\n case 'exactNode':\n return (node, ancestry) => {\n return ancestry.length === 0;\n };\n\n case 'field': {\n const path = selector.name.split('.');\n return (node, ancestry) => {\n const ancestor = ancestry[path.length - 1];\n return inPath(node, ancestor, path, 0);\n };\n }\n\n case 'matches': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n for (let i = 0; i < matchers.length; ++i) {\n if (matchers[i](node, ancestry, options)) { return true; }\n }\n return false;\n };\n }\n\n case 'compound': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n for (let i = 0; i < matchers.length; ++i) {\n if (!matchers[i](node, ancestry, options)) { return false; }\n }\n return true;\n };\n }\n\n case 'not': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n for (let i = 0; i < matchers.length; ++i) {\n if (matchers[i](node, ancestry, options)) { return false; }\n }\n return true;\n };\n }\n\n case 'has': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n let result = false;\n\n const a = [];\n estraverse.traverse(node, {\n enter (node, parent) {\n if (parent != null) { a.unshift(parent); }\n\n for (let i = 0; i < matchers.length; ++i) {\n if (matchers[i](node, a, options)) {\n result = true;\n this.break();\n return;\n }\n }\n },\n leave () { a.shift(); },\n keys: options && options.visitorKeys,\n fallback: options && options.fallback || 'iteration'\n });\n\n return result;\n };\n }\n\n case 'child': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) => {\n if (ancestry.length > 0 && right(node, ancestry, options)) {\n return left(ancestry[0], ancestry.slice(1), options);\n }\n return false;\n };\n }\n\n case 'descendant': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) => {\n if (right(node, ancestry, options)) {\n for (let i = 0, l = ancestry.length; i < l; ++i) {\n if (left(ancestry[i], ancestry.slice(i + 1), options)) {\n return true;\n }\n }\n }\n return false;\n };\n }\n\n case 'attribute': {\n const path = selector.name.split('.');\n switch (selector.operator) {\n case void 0:\n return (node) => getPath(node, path) != null;\n case '=':\n switch (selector.value.type) {\n case 'regexp':\n return (node) => {\n const p = getPath(node, path);\n return typeof p === 'string' && selector.value.value.test(p);\n };\n case 'literal': {\n const literal = `${selector.value.value}`;\n return (node) => literal === `${getPath(node, path)}`;\n }\n case 'type':\n return (node) => selector.value.value === typeof getPath(node, path);\n }\n throw new Error(`Unknown selector value type: ${selector.value.type}`);\n case '!=':\n switch (selector.value.type) {\n case 'regexp':\n return (node) => !selector.value.value.test(getPath(node, path));\n case 'literal': {\n const literal = `${selector.value.value}`;\n return (node) => literal !== `${getPath(node, path)}`;\n }\n case 'type':\n return (node) => selector.value.value !== typeof getPath(node, path);\n }\n throw new Error(`Unknown selector value type: ${selector.value.type}`);\n case '<=':\n return (node) => getPath(node, path) <= selector.value.value;\n case '<':\n return (node) => getPath(node, path) < selector.value.value;\n case '>':\n return (node) => getPath(node, path) > selector.value.value;\n case '>=':\n return (node) => getPath(node, path) >= selector.value.value;\n }\n throw new Error(`Unknown operator: ${selector.operator}`);\n }\n\n case 'sibling': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n sibling(node, left, ancestry, LEFT_SIDE, options) ||\n selector.left.subject &&\n left(node, ancestry, options) &&\n sibling(node, right, ancestry, RIGHT_SIDE, options);\n }\n\n case 'adjacent': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n adjacent(node, left, ancestry, LEFT_SIDE, options) ||\n selector.right.subject &&\n left(node, ancestry, options) &&\n adjacent(node, right, ancestry, RIGHT_SIDE, options);\n }\n\n case 'nth-child': {\n const nth = selector.index.value;\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n nthChild(node, ancestry, nth, options);\n }\n\n case 'nth-last-child': {\n const nth = -selector.index.value;\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n nthChild(node, ancestry, nth, options);\n }\n\n case 'class': {\n \n const name = selector.name.toLowerCase();\n\n return (node, ancestry, options) => {\n \n if (options && options.matchClass) {\n return options.matchClass(selector.name, node, ancestry);\n }\n \n if (options && options.nodeTypeKey) return false; \n\n switch(name){\n case 'statement':\n if(node.type.slice(-9) === 'Statement') return true;\n // fallthrough: interface Declaration <: Statement { }\n case 'declaration':\n return node.type.slice(-11) === 'Declaration';\n case 'pattern':\n if(node.type.slice(-7) === 'Pattern') return true;\n // fallthrough: interface Expression <: Node, Pattern { }\n case 'expression':\n return node.type.slice(-10) === 'Expression' ||\n node.type.slice(-7) === 'Literal' ||\n (\n node.type === 'Identifier' &&\n (ancestry.length === 0 || ancestry[0].type !== 'MetaProperty')\n ) ||\n node.type === 'MetaProperty';\n case 'function':\n return node.type === 'FunctionDeclaration' ||\n node.type === 'FunctionExpression' ||\n node.type === 'ArrowFunctionExpression';\n }\n throw new Error(`Unknown class name: ${selector.name}`);\n };\n }\n }\n\n throw new Error(`Unknown selector type: ${selector.type}`);\n}\n\n/**\n * @callback TraverseOptionFallback\n * @param {external:AST} node The given node.\n * @returns {string[]} An array of visitor keys for the given node.\n */\n\n/**\n * @callback ClassMatcher\n * @param {string} className The name of the class to match.\n * @param {external:AST} node The node to match against.\n * @param {Array} ancestry The ancestry of the node.\n * @returns {boolean} True if the node matches the class, false if not.\n */\n\n/**\n * @typedef {object} ESQueryOptions\n * @property {string} [nodeTypeKey=\"type\"] By passing `nodeTypeKey`, we can allow other ASTs to use ESQuery.\n * @property { { [nodeType: string]: string[] } } [visitorKeys] By passing `visitorKeys` mapping, we can extend the properties of the nodes that traverse the node.\n * @property {TraverseOptionFallback} [fallback] By passing `fallback` option, we can control the properties of traversing nodes when encountering unknown nodes.\n * @property {ClassMatcher} [matchClass] By passing `matchClass` option, we can customize the interpretation of classes.\n */\n\n/**\n * Given a `node` and its ancestors, determine if `node` is matched\n * by `selector`.\n * @param {?external:AST} node\n * @param {?SelectorAST} selector\n * @param {external:AST[]} [ancestry=[]]\n * @param {ESQueryOptions} [options]\n * @throws {Error} Unknowns (operator, class name, selector type, or\n * selector value type)\n * @returns {boolean}\n */\nfunction matches(node, selector, ancestry, options) {\n if (!selector) { return true; }\n if (!node) { return false; }\n if (!ancestry) { ancestry = []; }\n\n return getMatcher(selector)(node, ancestry, options);\n}\n\n/**\n * Get visitor keys of a given node.\n * @param {external:AST} node The AST node to get keys.\n * @param {ESQueryOptions|undefined} options\n * @returns {string[]} Visitor keys of the node.\n */\nfunction getVisitorKeys(node, options) {\n const nodeTypeKey = (options && options.nodeTypeKey) || 'type';\n\n const nodeType = node[nodeTypeKey];\n if (options && options.visitorKeys && options.visitorKeys[nodeType]) {\n return options.visitorKeys[nodeType];\n }\n if (estraverse.VisitorKeys[nodeType]) {\n return estraverse.VisitorKeys[nodeType];\n }\n if (options && typeof options.fallback === 'function') {\n return options.fallback(node);\n }\n // 'iteration' fallback\n return Object.keys(node).filter(function (key) {\n return key !== nodeTypeKey;\n });\n}\n\n\n/**\n * Check whether the given value is an ASTNode or not.\n * @param {any} node The value to check.\n * @param {ESQueryOptions|undefined} options The options to use.\n * @returns {boolean} `true` if the value is an ASTNode.\n */\nfunction isNode(node, options) {\n const nodeTypeKey = (options && options.nodeTypeKey) || 'type';\n return node !== null && typeof node === 'object' && typeof node[nodeTypeKey] === 'string';\n}\n\n/**\n * Determines if the given node has a sibling that matches the\n * given selector matcher.\n * @param {external:AST} node\n * @param {SelectorMatcher} matcher\n * @param {external:AST[]} ancestry\n * @param {Side} side\n * @param {ESQueryOptions|undefined} options\n * @returns {boolean}\n */\nfunction sibling(node, matcher, ancestry, side, options) {\n const [parent] = ancestry;\n if (!parent) { return false; }\n const keys = getVisitorKeys(parent, options);\n for (let i = 0; i < keys.length; ++i) {\n const listProp = parent[keys[i]];\n if (Array.isArray(listProp)) {\n const startIndex = listProp.indexOf(node);\n if (startIndex < 0) { continue; }\n let lowerBound, upperBound;\n if (side === LEFT_SIDE) {\n lowerBound = 0;\n upperBound = startIndex;\n } else {\n lowerBound = startIndex + 1;\n upperBound = listProp.length;\n }\n for (let k = lowerBound; k < upperBound; ++k) {\n if (isNode(listProp[k], options) && matcher(listProp[k], ancestry, options)) {\n return true;\n }\n }\n }\n }\n return false;\n}\n\n/**\n * Determines if the given node has an adjacent sibling that matches\n * the given selector matcher.\n * @param {external:AST} node\n * @param {SelectorMatcher} matcher\n * @param {external:AST[]} ancestry\n * @param {Side} side\n * @param {ESQueryOptions|undefined} options\n * @returns {boolean}\n */\nfunction adjacent(node, matcher, ancestry, side, options) {\n const [parent] = ancestry;\n if (!parent) { return false; }\n const keys = getVisitorKeys(parent, options);\n for (let i = 0; i < keys.length; ++i) {\n const listProp = parent[keys[i]];\n if (Array.isArray(listProp)) {\n const idx = listProp.indexOf(node);\n if (idx < 0) { continue; }\n if (side === LEFT_SIDE && idx > 0 && isNode(listProp[idx - 1], options) && matcher(listProp[idx - 1], ancestry, options)) {\n return true;\n }\n if (side === RIGHT_SIDE && idx < listProp.length - 1 && isNode(listProp[idx + 1], options) && matcher(listProp[idx + 1], ancestry, options)) {\n return true;\n }\n }\n }\n return false;\n}\n\n/**\n * Determines if the given node is the `nth` child.\n * If `nth` is negative then the position is counted\n * from the end of the list of children.\n * @param {external:AST} node\n * @param {external:AST[]} ancestry\n * @param {Integer} nth\n * @param {ESQueryOptions|undefined} options\n * @returns {boolean}\n */\nfunction nthChild(node, ancestry, nth, options) {\n if (nth === 0) { return false; }\n const [parent] = ancestry;\n if (!parent) { return false; }\n const keys = getVisitorKeys(parent, options);\n for (let i = 0; i < keys.length; ++i) {\n const listProp = parent[keys[i]];\n if (Array.isArray(listProp)){\n const idx = nth < 0 ? listProp.length + nth : nth - 1;\n if (idx >= 0 && idx < listProp.length && listProp[idx] === node) {\n return true;\n }\n }\n }\n return false;\n}\n\n/**\n * For each selector node marked as a subject, find the portion of the\n * selector that the subject must match.\n * @param {SelectorAST} selector\n * @param {SelectorAST} [ancestor] Defaults to `selector`\n * @returns {SelectorAST[]}\n */\nfunction subjects(selector, ancestor) {\n if (selector == null || typeof selector != 'object') { return []; }\n if (ancestor == null) { ancestor = selector; }\n const results = selector.subject ? [ancestor] : [];\n const keys = Object.keys(selector);\n for (let i = 0; i < keys.length; ++i) {\n const p = keys[i];\n const sel = selector[p];\n results.push(...subjects(sel, p === 'left' ? sel : ancestor));\n }\n return results;\n}\n\n/**\n* @callback TraverseVisitor\n* @param {?external:AST} node\n* @param {?external:AST} parent\n* @param {external:AST[]} ancestry\n*/\n\n/**\n * From a JS AST and a selector AST, collect all JS AST nodes that\n * match the selector.\n * @param {external:AST} ast\n * @param {?SelectorAST} selector\n * @param {TraverseVisitor} visitor\n * @param {ESQueryOptions} [options]\n * @returns {external:AST[]}\n */\nfunction traverse(ast, selector, visitor, options) {\n if (!selector) { return; }\n const ancestry = [];\n const matcher = getMatcher(selector);\n const altSubjects = subjects(selector).map(getMatcher);\n estraverse.traverse(ast, {\n enter (node, parent) {\n if (parent != null) { ancestry.unshift(parent); }\n if (matcher(node, ancestry, options)) {\n if (altSubjects.length) {\n for (let i = 0, l = altSubjects.length; i < l; ++i) {\n if (altSubjects[i](node, ancestry, options)) {\n visitor(node, parent, ancestry);\n }\n for (let k = 0, m = ancestry.length; k < m; ++k) {\n const succeedingAncestry = ancestry.slice(k + 1);\n if (altSubjects[i](ancestry[k], succeedingAncestry, options)) {\n visitor(ancestry[k], parent, succeedingAncestry);\n }\n }\n }\n } else {\n visitor(node, parent, ancestry);\n }\n }\n },\n leave () { ancestry.shift(); },\n keys: options && options.visitorKeys,\n fallback: options && options.fallback || 'iteration'\n });\n}\n\n\n/**\n * From a JS AST and a selector AST, collect all JS AST nodes that\n * match the selector.\n * @param {external:AST} ast\n * @param {?SelectorAST} selector\n * @param {ESQueryOptions} [options]\n * @returns {external:AST[]}\n */\nfunction match(ast, selector, options) {\n const results = [];\n traverse(ast, selector, function (node) {\n results.push(node);\n }, options);\n return 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\ No newline at end of file diff --git a/module/node_modules/esquery/dist/esquery.js b/module/node_modules/esquery/dist/esquery.js new file mode 100644 index 000000000..ace606143 --- /dev/null +++ b/module/node_modules/esquery/dist/esquery.js @@ -0,0 +1,4180 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global = global || self, global.esquery = factory()); +}(this, (function () { 'use strict'; + + function _iterableToArrayLimit(arr, i) { + var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; + if (null != _i) { + var _s, + _e, + _x, + _r, + _arr = [], + _n = !0, + _d = !1; + try { + if (_x = (_i = _i.call(arr)).next, 0 === i) { + if (Object(_i) !== _i) return; + _n = !1; + } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); + } catch (err) { + _d = !0, _e = err; + } finally { + try { + if (!_n && null != _i.return && (_r = _i.return(), Object(_r) !== _r)) return; + } finally { + if (_d) throw _e; + } + } + return _arr; + } + } + function _typeof(obj) { + "@babel/helpers - typeof"; + + return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { + return typeof obj; + } : function (obj) { + return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; + }, _typeof(obj); + } + function _slicedToArray(arr, i) { + return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); + } + function _toConsumableArray(arr) { + return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); + } + function _arrayWithoutHoles(arr) { + if (Array.isArray(arr)) return _arrayLikeToArray(arr); + } + function _arrayWithHoles(arr) { + if (Array.isArray(arr)) return arr; + } + function _iterableToArray(iter) { + if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); + } + function _unsupportedIterableToArray(o, minLen) { + if (!o) return; + if (typeof o === "string") return _arrayLikeToArray(o, minLen); + var n = Object.prototype.toString.call(o).slice(8, -1); + if (n === "Object" && o.constructor) n = o.constructor.name; + if (n === "Map" || n === "Set") return Array.from(o); + if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); + } + function _arrayLikeToArray(arr, len) { + if (len == null || len > arr.length) len = arr.length; + for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; + return arr2; + } + function _nonIterableSpread() { + throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); + } + function _nonIterableRest() { + throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); + } + + var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; + + function createCommonjsModule(fn, module) { + return module = { exports: {} }, fn(module, module.exports), module.exports; + } + + var estraverse = createCommonjsModule(function (module, exports) { + /* + Copyright (C) 2012-2013 Yusuke Suzuki + Copyright (C) 2012 Ariya Hidayat + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + /*jslint vars:false, bitwise:true*/ + /*jshint indent:4*/ + /*global exports:true*/ + (function clone(exports) { + + var Syntax, VisitorOption, VisitorKeys, BREAK, SKIP, REMOVE; + function deepCopy(obj) { + var ret = {}, + key, + val; + for (key in obj) { + if (obj.hasOwnProperty(key)) { + val = obj[key]; + if (typeof val === 'object' && val !== null) { + ret[key] = deepCopy(val); + } else { + ret[key] = val; + } + } + } + return ret; + } + + // based on LLVM libc++ upper_bound / lower_bound + // MIT License + + function upperBound(array, func) { + var diff, len, i, current; + len = array.length; + i = 0; + while (len) { + diff = len >>> 1; + current = i + diff; + if (func(array[current])) { + len = diff; + } else { + i = current + 1; + len -= diff + 1; + } + } + return i; + } + Syntax = { + AssignmentExpression: 'AssignmentExpression', + AssignmentPattern: 'AssignmentPattern', + ArrayExpression: 'ArrayExpression', + ArrayPattern: 'ArrayPattern', + ArrowFunctionExpression: 'ArrowFunctionExpression', + AwaitExpression: 'AwaitExpression', + // CAUTION: It's deferred to ES7. + BlockStatement: 'BlockStatement', + BinaryExpression: 'BinaryExpression', + BreakStatement: 'BreakStatement', + CallExpression: 'CallExpression', + CatchClause: 'CatchClause', + ChainExpression: 'ChainExpression', + ClassBody: 'ClassBody', + ClassDeclaration: 'ClassDeclaration', + ClassExpression: 'ClassExpression', + ComprehensionBlock: 'ComprehensionBlock', + // CAUTION: It's deferred to ES7. + ComprehensionExpression: 'ComprehensionExpression', + // CAUTION: It's deferred to ES7. + ConditionalExpression: 'ConditionalExpression', + ContinueStatement: 'ContinueStatement', + DebuggerStatement: 'DebuggerStatement', + DirectiveStatement: 'DirectiveStatement', + DoWhileStatement: 'DoWhileStatement', + EmptyStatement: 'EmptyStatement', + ExportAllDeclaration: 'ExportAllDeclaration', + ExportDefaultDeclaration: 'ExportDefaultDeclaration', + ExportNamedDeclaration: 'ExportNamedDeclaration', + ExportSpecifier: 'ExportSpecifier', + ExpressionStatement: 'ExpressionStatement', + ForStatement: 'ForStatement', + ForInStatement: 'ForInStatement', + ForOfStatement: 'ForOfStatement', + FunctionDeclaration: 'FunctionDeclaration', + FunctionExpression: 'FunctionExpression', + GeneratorExpression: 'GeneratorExpression', + // CAUTION: It's deferred to ES7. + Identifier: 'Identifier', + IfStatement: 'IfStatement', + ImportExpression: 'ImportExpression', + ImportDeclaration: 'ImportDeclaration', + ImportDefaultSpecifier: 'ImportDefaultSpecifier', + ImportNamespaceSpecifier: 'ImportNamespaceSpecifier', + ImportSpecifier: 'ImportSpecifier', + Literal: 'Literal', + LabeledStatement: 'LabeledStatement', + LogicalExpression: 'LogicalExpression', + MemberExpression: 'MemberExpression', + MetaProperty: 'MetaProperty', + MethodDefinition: 'MethodDefinition', + ModuleSpecifier: 'ModuleSpecifier', + NewExpression: 'NewExpression', + ObjectExpression: 'ObjectExpression', + ObjectPattern: 'ObjectPattern', + PrivateIdentifier: 'PrivateIdentifier', + Program: 'Program', + Property: 'Property', + PropertyDefinition: 'PropertyDefinition', + RestElement: 'RestElement', + ReturnStatement: 'ReturnStatement', + SequenceExpression: 'SequenceExpression', + SpreadElement: 'SpreadElement', + Super: 'Super', + SwitchStatement: 'SwitchStatement', + SwitchCase: 'SwitchCase', + TaggedTemplateExpression: 'TaggedTemplateExpression', + TemplateElement: 'TemplateElement', + TemplateLiteral: 'TemplateLiteral', + ThisExpression: 'ThisExpression', + ThrowStatement: 'ThrowStatement', + TryStatement: 'TryStatement', + UnaryExpression: 'UnaryExpression', + UpdateExpression: 'UpdateExpression', + VariableDeclaration: 'VariableDeclaration', + VariableDeclarator: 'VariableDeclarator', + WhileStatement: 'WhileStatement', + WithStatement: 'WithStatement', + YieldExpression: 'YieldExpression' + }; + VisitorKeys = { + AssignmentExpression: ['left', 'right'], + AssignmentPattern: ['left', 'right'], + ArrayExpression: ['elements'], + ArrayPattern: ['elements'], + ArrowFunctionExpression: ['params', 'body'], + AwaitExpression: ['argument'], + // CAUTION: It's deferred to ES7. + BlockStatement: ['body'], + BinaryExpression: ['left', 'right'], + BreakStatement: ['label'], + CallExpression: ['callee', 'arguments'], + CatchClause: ['param', 'body'], + ChainExpression: ['expression'], + ClassBody: ['body'], + ClassDeclaration: ['id', 'superClass', 'body'], + ClassExpression: ['id', 'superClass', 'body'], + ComprehensionBlock: ['left', 'right'], + // CAUTION: It's deferred to ES7. + ComprehensionExpression: ['blocks', 'filter', 'body'], + // CAUTION: It's deferred to ES7. + ConditionalExpression: ['test', 'consequent', 'alternate'], + ContinueStatement: ['label'], + DebuggerStatement: [], + DirectiveStatement: [], + DoWhileStatement: ['body', 'test'], + EmptyStatement: [], + ExportAllDeclaration: ['source'], + ExportDefaultDeclaration: ['declaration'], + ExportNamedDeclaration: ['declaration', 'specifiers', 'source'], + ExportSpecifier: ['exported', 'local'], + ExpressionStatement: ['expression'], + ForStatement: ['init', 'test', 'update', 'body'], + ForInStatement: ['left', 'right', 'body'], + ForOfStatement: ['left', 'right', 'body'], + FunctionDeclaration: ['id', 'params', 'body'], + FunctionExpression: ['id', 'params', 'body'], + GeneratorExpression: ['blocks', 'filter', 'body'], + // CAUTION: It's deferred to ES7. + Identifier: [], + IfStatement: ['test', 'consequent', 'alternate'], + ImportExpression: ['source'], + ImportDeclaration: ['specifiers', 'source'], + ImportDefaultSpecifier: ['local'], + ImportNamespaceSpecifier: ['local'], + ImportSpecifier: ['imported', 'local'], + Literal: [], + LabeledStatement: ['label', 'body'], + LogicalExpression: ['left', 'right'], + MemberExpression: ['object', 'property'], + MetaProperty: ['meta', 'property'], + MethodDefinition: ['key', 'value'], + ModuleSpecifier: [], + NewExpression: ['callee', 'arguments'], + ObjectExpression: ['properties'], + ObjectPattern: ['properties'], + PrivateIdentifier: [], + Program: ['body'], + Property: ['key', 'value'], + PropertyDefinition: ['key', 'value'], + RestElement: ['argument'], + ReturnStatement: ['argument'], + SequenceExpression: ['expressions'], + SpreadElement: ['argument'], + Super: [], + SwitchStatement: ['discriminant', 'cases'], + SwitchCase: ['test', 'consequent'], + TaggedTemplateExpression: ['tag', 'quasi'], + TemplateElement: [], + TemplateLiteral: ['quasis', 'expressions'], + ThisExpression: [], + ThrowStatement: ['argument'], + TryStatement: ['block', 'handler', 'finalizer'], + UnaryExpression: ['argument'], + UpdateExpression: ['argument'], + VariableDeclaration: ['declarations'], + VariableDeclarator: ['id', 'init'], + WhileStatement: ['test', 'body'], + WithStatement: ['object', 'body'], + YieldExpression: ['argument'] + }; + + // unique id + BREAK = {}; + SKIP = {}; + REMOVE = {}; + VisitorOption = { + Break: BREAK, + Skip: SKIP, + Remove: REMOVE + }; + function Reference(parent, key) { + this.parent = parent; + this.key = key; + } + Reference.prototype.replace = function replace(node) { + this.parent[this.key] = node; + }; + Reference.prototype.remove = function remove() { + if (Array.isArray(this.parent)) { + this.parent.splice(this.key, 1); + return true; + } else { + this.replace(null); + return false; + } + }; + function Element(node, path, wrap, ref) { + this.node = node; + this.path = path; + this.wrap = wrap; + this.ref = ref; + } + function Controller() {} + + // API: + // return property path array from root to current node + Controller.prototype.path = function path() { + var i, iz, j, jz, result, element; + function addToPath(result, path) { + if (Array.isArray(path)) { + for (j = 0, jz = path.length; j < jz; ++j) { + result.push(path[j]); + } + } else { + result.push(path); + } + } + + // root node + if (!this.__current.path) { + return null; + } + + // first node is sentinel, second node is root element + result = []; + for (i = 2, iz = this.__leavelist.length; i < iz; ++i) { + element = this.__leavelist[i]; + addToPath(result, element.path); + } + addToPath(result, this.__current.path); + return result; + }; + + // API: + // return type of current node + Controller.prototype.type = function () { + var node = this.current(); + return node.type || this.__current.wrap; + }; + + // API: + // return array of parent elements + Controller.prototype.parents = function parents() { + var i, iz, result; + + // first node is sentinel + result = []; + for (i = 1, iz = this.__leavelist.length; i < iz; ++i) { + result.push(this.__leavelist[i].node); + } + return result; + }; + + // API: + // return current node + Controller.prototype.current = function current() { + return this.__current.node; + }; + Controller.prototype.__execute = function __execute(callback, element) { + var previous, result; + result = undefined; + previous = this.__current; + this.__current = element; + this.__state = null; + if (callback) { + result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node); + } + this.__current = previous; + return result; + }; + + // API: + // notify control skip / break + Controller.prototype.notify = function notify(flag) { + this.__state = flag; + }; + + // API: + // skip child nodes of current node + Controller.prototype.skip = function () { + this.notify(SKIP); + }; + + // API: + // break traversals + Controller.prototype['break'] = function () { + this.notify(BREAK); + }; + + // API: + // remove node + Controller.prototype.remove = function () { + this.notify(REMOVE); + }; + Controller.prototype.__initialize = function (root, visitor) { + this.visitor = visitor; + this.root = root; + this.__worklist = []; + this.__leavelist = []; + this.__current = null; + this.__state = null; + this.__fallback = null; + if (visitor.fallback === 'iteration') { + this.__fallback = Object.keys; + } else if (typeof visitor.fallback === 'function') { + this.__fallback = visitor.fallback; + } + this.__keys = VisitorKeys; + if (visitor.keys) { + this.__keys = Object.assign(Object.create(this.__keys), visitor.keys); + } + }; + function isNode(node) { + if (node == null) { + return false; + } + return typeof node === 'object' && typeof node.type === 'string'; + } + function isProperty(nodeType, key) { + return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key; + } + function candidateExistsInLeaveList(leavelist, candidate) { + for (var i = leavelist.length - 1; i >= 0; --i) { + if (leavelist[i].node === candidate) { + return true; + } + } + return false; + } + Controller.prototype.traverse = function traverse(root, visitor) { + var worklist, leavelist, element, node, nodeType, ret, key, current, current2, candidates, candidate, sentinel; + this.__initialize(root, visitor); + sentinel = {}; + + // reference + worklist = this.__worklist; + leavelist = this.__leavelist; + + // initialize + worklist.push(new Element(root, null, null, null)); + leavelist.push(new Element(null, null, null, null)); + while (worklist.length) { + element = worklist.pop(); + if (element === sentinel) { + element = leavelist.pop(); + ret = this.__execute(visitor.leave, element); + if (this.__state === BREAK || ret === BREAK) { + return; + } + continue; + } + if (element.node) { + ret = this.__execute(visitor.enter, element); + if (this.__state === BREAK || ret === BREAK) { + return; + } + worklist.push(sentinel); + leavelist.push(element); + if (this.__state === SKIP || ret === SKIP) { + continue; + } + node = element.node; + nodeType = node.type || element.wrap; + candidates = this.__keys[nodeType]; + if (!candidates) { + if (this.__fallback) { + candidates = this.__fallback(node); + } else { + throw new Error('Unknown node type ' + nodeType + '.'); + } + } + current = candidates.length; + while ((current -= 1) >= 0) { + key = candidates[current]; + candidate = node[key]; + if (!candidate) { + continue; + } + if (Array.isArray(candidate)) { + current2 = candidate.length; + while ((current2 -= 1) >= 0) { + if (!candidate[current2]) { + continue; + } + if (candidateExistsInLeaveList(leavelist, candidate[current2])) { + continue; + } + if (isProperty(nodeType, candidates[current])) { + element = new Element(candidate[current2], [key, current2], 'Property', null); + } else if (isNode(candidate[current2])) { + element = new Element(candidate[current2], [key, current2], null, null); + } else { + continue; + } + worklist.push(element); + } + } else if (isNode(candidate)) { + if (candidateExistsInLeaveList(leavelist, candidate)) { + continue; + } + worklist.push(new Element(candidate, key, null, null)); + } + } + } + } + }; + Controller.prototype.replace = function replace(root, visitor) { + var worklist, leavelist, node, nodeType, target, element, current, current2, candidates, candidate, sentinel, outer, key; + function removeElem(element) { + var i, key, nextElem, parent; + if (element.ref.remove()) { + // When the reference is an element of an array. + key = element.ref.key; + parent = element.ref.parent; + + // If removed from array, then decrease following items' keys. + i = worklist.length; + while (i--) { + nextElem = worklist[i]; + if (nextElem.ref && nextElem.ref.parent === parent) { + if (nextElem.ref.key < key) { + break; + } + --nextElem.ref.key; + } + } + } + } + this.__initialize(root, visitor); + sentinel = {}; + + // reference + worklist = this.__worklist; + leavelist = this.__leavelist; + + // initialize + outer = { + root: root + }; + element = new Element(root, null, null, new Reference(outer, 'root')); + worklist.push(element); + leavelist.push(element); + while (worklist.length) { + element = worklist.pop(); + if (element === sentinel) { + element = leavelist.pop(); + target = this.__execute(visitor.leave, element); + + // node may be replaced with null, + // so distinguish between undefined and null in this place + if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) { + // replace + element.ref.replace(target); + } + if (this.__state === REMOVE || target === REMOVE) { + removeElem(element); + } + if (this.__state === BREAK || target === BREAK) { + return outer.root; + } + continue; + } + target = this.__execute(visitor.enter, element); + + // node may be replaced with null, + // so distinguish between undefined and null in this place + if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) { + // replace + element.ref.replace(target); + element.node = target; + } + if (this.__state === REMOVE || target === REMOVE) { + removeElem(element); + element.node = null; + } + if (this.__state === BREAK || target === BREAK) { + return outer.root; + } + + // node may be null + node = element.node; + if (!node) { + continue; + } + worklist.push(sentinel); + leavelist.push(element); + if (this.__state === SKIP || target === SKIP) { + continue; + } + nodeType = node.type || element.wrap; + candidates = this.__keys[nodeType]; + if (!candidates) { + if (this.__fallback) { + candidates = this.__fallback(node); + } else { + throw new Error('Unknown node type ' + nodeType + '.'); + } + } + current = candidates.length; + while ((current -= 1) >= 0) { + key = candidates[current]; + candidate = node[key]; + if (!candidate) { + continue; + } + if (Array.isArray(candidate)) { + current2 = candidate.length; + while ((current2 -= 1) >= 0) { + if (!candidate[current2]) { + continue; + } + if (isProperty(nodeType, candidates[current])) { + element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2)); + } else if (isNode(candidate[current2])) { + element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2)); + } else { + continue; + } + worklist.push(element); + } + } else if (isNode(candidate)) { + worklist.push(new Element(candidate, key, null, new Reference(node, key))); + } + } + } + return outer.root; + }; + function traverse(root, visitor) { + var controller = new Controller(); + return controller.traverse(root, visitor); + } + function replace(root, visitor) { + var controller = new Controller(); + return controller.replace(root, visitor); + } + function extendCommentRange(comment, tokens) { + var target; + target = upperBound(tokens, function search(token) { + return token.range[0] > comment.range[0]; + }); + comment.extendedRange = [comment.range[0], comment.range[1]]; + if (target !== tokens.length) { + comment.extendedRange[1] = tokens[target].range[0]; + } + target -= 1; + if (target >= 0) { + comment.extendedRange[0] = tokens[target].range[1]; + } + return comment; + } + function attachComments(tree, providedComments, tokens) { + // At first, we should calculate extended comment ranges. + var comments = [], + comment, + len, + i, + cursor; + if (!tree.range) { + throw new Error('attachComments needs range information'); + } + + // tokens array is empty, we attach comments to tree as 'leadingComments' + if (!tokens.length) { + if (providedComments.length) { + for (i = 0, len = providedComments.length; i < len; i += 1) { + comment = deepCopy(providedComments[i]); + comment.extendedRange = [0, tree.range[0]]; + comments.push(comment); + } + tree.leadingComments = comments; + } + return tree; + } + for (i = 0, len = providedComments.length; i < len; i += 1) { + comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens)); + } + + // This is based on John Freeman's implementation. + cursor = 0; + traverse(tree, { + enter: function (node) { + var comment; + while (cursor < comments.length) { + comment = comments[cursor]; + if (comment.extendedRange[1] > node.range[0]) { + break; + } + if (comment.extendedRange[1] === node.range[0]) { + if (!node.leadingComments) { + node.leadingComments = []; + } + node.leadingComments.push(comment); + comments.splice(cursor, 1); + } else { + cursor += 1; + } + } + + // already out of owned node + if (cursor === comments.length) { + return VisitorOption.Break; + } + if (comments[cursor].extendedRange[0] > node.range[1]) { + return VisitorOption.Skip; + } + } + }); + cursor = 0; + traverse(tree, { + leave: function (node) { + var comment; + while (cursor < comments.length) { + comment = comments[cursor]; + if (node.range[1] < comment.extendedRange[0]) { + break; + } + if (node.range[1] === comment.extendedRange[0]) { + if (!node.trailingComments) { + node.trailingComments = []; + } + node.trailingComments.push(comment); + comments.splice(cursor, 1); + } else { + cursor += 1; + } + } + + // already out of owned node + if (cursor === comments.length) { + return VisitorOption.Break; + } + if (comments[cursor].extendedRange[0] > node.range[1]) { + return VisitorOption.Skip; + } + } + }); + return tree; + } + exports.Syntax = Syntax; + exports.traverse = traverse; + exports.replace = replace; + exports.attachComments = attachComments; + exports.VisitorKeys = VisitorKeys; + exports.VisitorOption = VisitorOption; + exports.Controller = Controller; + exports.cloneEnvironment = function () { + return clone({}); + }; + return exports; + })(exports); + /* vim: set sw=4 ts=4 et tw=80 : */ + }); + + var parser = createCommonjsModule(function (module) { + /* + * Generated by PEG.js 0.10.0. + * + * http://pegjs.org/ + */ + (function (root, factory) { + if ( module.exports) { + module.exports = factory(); + } + })(commonjsGlobal, function () { + + function peg$subclass(child, parent) { + function ctor() { + this.constructor = child; + } + ctor.prototype = parent.prototype; + child.prototype = new ctor(); + } + function peg$SyntaxError(message, expected, found, location) { + this.message = message; + this.expected = expected; + this.found = found; + this.location = location; + this.name = "SyntaxError"; + if (typeof Error.captureStackTrace === "function") { + Error.captureStackTrace(this, peg$SyntaxError); + } + } + peg$subclass(peg$SyntaxError, Error); + peg$SyntaxError.buildMessage = function (expected, found) { + var DESCRIBE_EXPECTATION_FNS = { + literal: function literal(expectation) { + return "\"" + literalEscape(expectation.text) + "\""; + }, + "class": function _class(expectation) { + var escapedParts = "", + i; + for (i = 0; i < expectation.parts.length; i++) { + escapedParts += expectation.parts[i] instanceof Array ? classEscape(expectation.parts[i][0]) + "-" + classEscape(expectation.parts[i][1]) : classEscape(expectation.parts[i]); + } + return "[" + (expectation.inverted ? "^" : "") + escapedParts + "]"; + }, + any: function any(expectation) { + return "any character"; + }, + end: function end(expectation) { + return "end of input"; + }, + other: function other(expectation) { + return expectation.description; + } + }; + function hex(ch) { + return ch.charCodeAt(0).toString(16).toUpperCase(); + } + function literalEscape(s) { + return s.replace(/\\/g, '\\\\').replace(/"/g, '\\"').replace(/\0/g, '\\0').replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/[\x00-\x0F]/g, function (ch) { + return '\\x0' + hex(ch); + }).replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) { + return '\\x' + hex(ch); + }); + } + function classEscape(s) { + return s.replace(/\\/g, '\\\\').replace(/\]/g, '\\]').replace(/\^/g, '\\^').replace(/-/g, '\\-').replace(/\0/g, '\\0').replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/[\x00-\x0F]/g, function (ch) { + return '\\x0' + hex(ch); + }).replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) { + return '\\x' + hex(ch); + }); + } + function describeExpectation(expectation) { + return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation); + } + function describeExpected(expected) { + var descriptions = new Array(expected.length), + i, + j; + for (i = 0; i < expected.length; i++) { + descriptions[i] = describeExpectation(expected[i]); + } + descriptions.sort(); + if (descriptions.length > 0) { + for (i = 1, j = 1; i < descriptions.length; i++) { + if (descriptions[i - 1] !== descriptions[i]) { + descriptions[j] = descriptions[i]; + j++; + } + } + descriptions.length = j; + } + switch (descriptions.length) { + case 1: + return descriptions[0]; + case 2: + return descriptions[0] + " or " + descriptions[1]; + default: + return descriptions.slice(0, -1).join(", ") + ", or " + descriptions[descriptions.length - 1]; + } + } + function describeFound(found) { + return found ? "\"" + literalEscape(found) + "\"" : "end of input"; + } + return "Expected " + describeExpected(expected) + " but " + describeFound(found) + " found."; + }; + function peg$parse(input, options) { + options = options !== void 0 ? options : {}; + var peg$FAILED = {}, + peg$startRuleFunctions = { + start: peg$parsestart + }, + peg$startRuleFunction = peg$parsestart, + peg$c0 = function peg$c0(ss) { + return ss.length === 1 ? ss[0] : { + type: 'matches', + selectors: ss + }; + }, + peg$c1 = function peg$c1() { + return void 0; + }, + peg$c2 = " ", + peg$c3 = peg$literalExpectation(" ", false), + peg$c4 = /^[^ [\],():#!=><~+.]/, + peg$c5 = peg$classExpectation([" ", "[", "]", ",", "(", ")", ":", "#", "!", "=", ">", "<", "~", "+", "."], true, false), + peg$c6 = function peg$c6(i) { + return i.join(''); + }, + peg$c7 = ">", + peg$c8 = peg$literalExpectation(">", false), + peg$c9 = function peg$c9() { + return 'child'; + }, + peg$c10 = "~", + peg$c11 = peg$literalExpectation("~", false), + peg$c12 = function peg$c12() { + return 'sibling'; + }, + peg$c13 = "+", + peg$c14 = peg$literalExpectation("+", false), + peg$c15 = function peg$c15() { + return 'adjacent'; + }, + peg$c16 = function peg$c16() { + return 'descendant'; + }, + peg$c17 = ",", + peg$c18 = peg$literalExpectation(",", false), + peg$c19 = function peg$c19(s, ss) { + return [s].concat(ss.map(function (s) { + return s[3]; + })); + }, + peg$c20 = function peg$c20(op, s) { + if (!op) return s; + return { + type: op, + left: { + type: 'exactNode' + }, + right: s + }; + }, + peg$c21 = function peg$c21(a, ops) { + return ops.reduce(function (memo, rhs) { + return { + type: rhs[0], + left: memo, + right: rhs[1] + }; + }, a); + }, + peg$c22 = "!", + peg$c23 = peg$literalExpectation("!", false), + peg$c24 = function peg$c24(subject, as) { + var b = as.length === 1 ? as[0] : { + type: 'compound', + selectors: as + }; + if (subject) b.subject = true; + return b; + }, + peg$c25 = "*", + peg$c26 = peg$literalExpectation("*", false), + peg$c27 = function peg$c27(a) { + return { + type: 'wildcard', + value: a + }; + }, + peg$c28 = "#", + peg$c29 = peg$literalExpectation("#", false), + peg$c30 = function peg$c30(i) { + return { + type: 'identifier', + value: i + }; + }, + peg$c31 = "[", + peg$c32 = peg$literalExpectation("[", false), + peg$c33 = "]", + peg$c34 = peg$literalExpectation("]", false), + peg$c35 = function peg$c35(v) { + return v; + }, + peg$c36 = /^[>", "<", "!"], false, false), + peg$c38 = "=", + peg$c39 = peg$literalExpectation("=", false), + peg$c40 = function peg$c40(a) { + return (a || '') + '='; + }, + peg$c41 = /^[><]/, + peg$c42 = peg$classExpectation([">", "<"], false, false), + peg$c43 = ".", + peg$c44 = peg$literalExpectation(".", false), + peg$c45 = function peg$c45(a, as) { + return [].concat.apply([a], as).join(''); + }, + peg$c46 = function peg$c46(name, op, value) { + return { + type: 'attribute', + name: name, + operator: op, + value: value + }; + }, + peg$c47 = function peg$c47(name) { + return { + type: 'attribute', + name: name + }; + }, + peg$c48 = "\"", + peg$c49 = peg$literalExpectation("\"", false), + peg$c50 = /^[^\\"]/, + peg$c51 = peg$classExpectation(["\\", "\""], true, false), + peg$c52 = "\\", + peg$c53 = peg$literalExpectation("\\", false), + peg$c54 = peg$anyExpectation(), + peg$c55 = function peg$c55(a, b) { + return a + b; + }, + peg$c56 = function peg$c56(d) { + return { + type: 'literal', + value: strUnescape(d.join('')) + }; + }, + peg$c57 = "'", + peg$c58 = peg$literalExpectation("'", false), + peg$c59 = /^[^\\']/, + peg$c60 = peg$classExpectation(["\\", "'"], true, false), + peg$c61 = /^[0-9]/, + peg$c62 = peg$classExpectation([["0", "9"]], false, false), + peg$c63 = function peg$c63(a, b) { + // Can use `a.flat().join('')` once supported + var leadingDecimals = a ? [].concat.apply([], a).join('') : ''; + return { + type: 'literal', + value: parseFloat(leadingDecimals + b.join('')) + }; + }, + peg$c64 = function peg$c64(i) { + return { + type: 'literal', + value: i + }; + }, + peg$c65 = "type(", + peg$c66 = peg$literalExpectation("type(", false), + peg$c67 = /^[^ )]/, + peg$c68 = peg$classExpectation([" ", ")"], true, false), + peg$c69 = ")", + peg$c70 = peg$literalExpectation(")", false), + peg$c71 = function peg$c71(t) { + return { + type: 'type', + value: t.join('') + }; + }, + peg$c72 = /^[imsu]/, + peg$c73 = peg$classExpectation(["i", "m", "s", "u"], false, false), + peg$c74 = "/", + peg$c75 = peg$literalExpectation("/", false), + peg$c76 = /^[^\/]/, + peg$c77 = peg$classExpectation(["/"], true, false), + peg$c78 = function peg$c78(d, flgs) { + return { + type: 'regexp', + value: new RegExp(d.join(''), flgs ? flgs.join('') : '') + }; + }, + peg$c79 = function peg$c79(i, is) { + return { + type: 'field', + name: is.reduce(function (memo, p) { + return memo + p[0] + p[1]; + }, i) + }; + }, + peg$c80 = ":not(", + peg$c81 = peg$literalExpectation(":not(", false), + peg$c82 = function peg$c82(ss) { + return { + type: 'not', + selectors: ss + }; + }, + peg$c83 = ":matches(", + peg$c84 = peg$literalExpectation(":matches(", false), + peg$c85 = function peg$c85(ss) { + return { + type: 'matches', + selectors: ss + }; + }, + peg$c86 = ":has(", + peg$c87 = peg$literalExpectation(":has(", false), + peg$c88 = function peg$c88(ss) { + return { + type: 'has', + selectors: ss + }; + }, + peg$c89 = ":first-child", + peg$c90 = peg$literalExpectation(":first-child", false), + peg$c91 = function peg$c91() { + return nth(1); + }, + peg$c92 = ":last-child", + peg$c93 = peg$literalExpectation(":last-child", false), + peg$c94 = function peg$c94() { + return nthLast(1); + }, + peg$c95 = ":nth-child(", + peg$c96 = peg$literalExpectation(":nth-child(", false), + peg$c97 = function peg$c97(n) { + return nth(parseInt(n.join(''), 10)); + }, + peg$c98 = ":nth-last-child(", + peg$c99 = peg$literalExpectation(":nth-last-child(", false), + peg$c100 = function peg$c100(n) { + return nthLast(parseInt(n.join(''), 10)); + }, + peg$c101 = ":", + peg$c102 = peg$literalExpectation(":", false), + peg$c103 = function peg$c103(c) { + return { + type: 'class', + name: c + }; + }, + peg$currPos = 0, + peg$posDetailsCache = [{ + line: 1, + column: 1 + }], + peg$maxFailPos = 0, + peg$maxFailExpected = [], + peg$resultsCache = {}, + peg$result; + if ("startRule" in options) { + if (!(options.startRule in peg$startRuleFunctions)) { + throw new Error("Can't start parsing from rule \"" + options.startRule + "\"."); + } + peg$startRuleFunction = peg$startRuleFunctions[options.startRule]; + } + function peg$literalExpectation(text, ignoreCase) { + return { + type: "literal", + text: text, + ignoreCase: ignoreCase + }; + } + function peg$classExpectation(parts, inverted, ignoreCase) { + return { + type: "class", + parts: parts, + inverted: inverted, + ignoreCase: ignoreCase + }; + } + function peg$anyExpectation() { + return { + type: "any" + }; + } + function peg$endExpectation() { + return { + type: "end" + }; + } + function peg$computePosDetails(pos) { + var details = peg$posDetailsCache[pos], + p; + if (details) { + return details; + } else { + p = pos - 1; + while (!peg$posDetailsCache[p]) { + p--; + } + details = peg$posDetailsCache[p]; + details = { + line: details.line, + column: details.column + }; + while (p < pos) { + if (input.charCodeAt(p) === 10) { + details.line++; + details.column = 1; + } else { + details.column++; + } + p++; + } + peg$posDetailsCache[pos] = details; + return details; + } + } + function peg$computeLocation(startPos, endPos) { + var startPosDetails = peg$computePosDetails(startPos), + endPosDetails = peg$computePosDetails(endPos); + return { + start: { + offset: startPos, + line: startPosDetails.line, + column: startPosDetails.column + }, + end: { + offset: endPos, + line: endPosDetails.line, + column: endPosDetails.column + } + }; + } + function peg$fail(expected) { + if (peg$currPos < peg$maxFailPos) { + return; + } + if (peg$currPos > peg$maxFailPos) { + peg$maxFailPos = peg$currPos; + peg$maxFailExpected = []; + } + peg$maxFailExpected.push(expected); + } + function peg$buildStructuredError(expected, found, location) { + return new peg$SyntaxError(peg$SyntaxError.buildMessage(expected, found), expected, found, location); + } + function peg$parsestart() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 0, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + s2 = peg$parseselectors(); + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c0(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + s1 = peg$c1(); + } + s0 = s1; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parse_() { + var s0, s1; + var key = peg$currPos * 32 + 1, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = []; + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c3); + } + } + while (s1 !== peg$FAILED) { + s0.push(s1); + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c3); + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseidentifierName() { + var s0, s1, s2; + var key = peg$currPos * 32 + 2, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = []; + if (peg$c4.test(input.charAt(peg$currPos))) { + s2 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c5); + } + } + if (s2 !== peg$FAILED) { + while (s2 !== peg$FAILED) { + s1.push(s2); + if (peg$c4.test(input.charAt(peg$currPos))) { + s2 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c5); + } + } + } + } else { + s1 = peg$FAILED; + } + if (s1 !== peg$FAILED) { + s1 = peg$c6(s1); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsebinaryOp() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 3, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 62) { + s2 = peg$c7; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c8); + } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c9(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 126) { + s2 = peg$c10; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c11); + } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c12(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 43) { + s2 = peg$c13; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c14); + } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c15(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c3); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s1 = peg$c16(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsehasSelectors() { + var s0, s1, s2, s3, s4, s5, s6, s7; + var key = peg$currPos * 32 + 4, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parsehasSelector(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parsehasSelector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parsehasSelector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c19(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseselectors() { + var s0, s1, s2, s3, s4, s5, s6, s7; + var key = peg$currPos * 32 + 5, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseselector(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parseselector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parseselector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c19(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsehasSelector() { + var s0, s1, s2; + var key = peg$currPos * 32 + 6, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parsebinaryOp(); + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = peg$parseselector(); + if (s2 !== peg$FAILED) { + s1 = peg$c20(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseselector() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 7, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parsesequence(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parsebinaryOp(); + if (s4 !== peg$FAILED) { + s5 = peg$parsesequence(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parsebinaryOp(); + if (s4 !== peg$FAILED) { + s5 = peg$parsesequence(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c21(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsesequence() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 8, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 33) { + s1 = peg$c22; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c23); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$parseatom(); + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$parseatom(); + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + s1 = peg$c24(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseatom() { + var s0; + var key = peg$currPos * 32 + 9, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$parsewildcard(); + if (s0 === peg$FAILED) { + s0 = peg$parseidentifier(); + if (s0 === peg$FAILED) { + s0 = peg$parseattr(); + if (s0 === peg$FAILED) { + s0 = peg$parsefield(); + if (s0 === peg$FAILED) { + s0 = peg$parsenegation(); + if (s0 === peg$FAILED) { + s0 = peg$parsematches(); + if (s0 === peg$FAILED) { + s0 = peg$parsehas(); + if (s0 === peg$FAILED) { + s0 = peg$parsefirstChild(); + if (s0 === peg$FAILED) { + s0 = peg$parselastChild(); + if (s0 === peg$FAILED) { + s0 = peg$parsenthChild(); + if (s0 === peg$FAILED) { + s0 = peg$parsenthLastChild(); + if (s0 === peg$FAILED) { + s0 = peg$parseclass(); + } + } + } + } + } + } + } + } + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsewildcard() { + var s0, s1; + var key = peg$currPos * 32 + 10, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 42) { + s1 = peg$c25; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c26); + } + } + if (s1 !== peg$FAILED) { + s1 = peg$c27(s1); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseidentifier() { + var s0, s1, s2; + var key = peg$currPos * 32 + 11, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 35) { + s1 = peg$c28; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c29); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + s1 = peg$c30(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattr() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 12, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 91) { + s1 = peg$c31; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c32); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrValue(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 93) { + s5 = peg$c33; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c34); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c35(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrOps() { + var s0, s1, s2; + var key = peg$currPos * 32 + 13, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (peg$c36.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c37); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 61) { + s2 = peg$c38; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c39); + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c40(s1); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + if (peg$c41.test(input.charAt(peg$currPos))) { + s0 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s0 = peg$FAILED; + { + peg$fail(peg$c42); + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrEqOps() { + var s0, s1, s2; + var key = peg$currPos * 32 + 14, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 33) { + s1 = peg$c22; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c23); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 61) { + s2 = peg$c38; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c39); + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c40(s1); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrName() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 15, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseidentifierName(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s4 = peg$c43; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s4 !== peg$FAILED) { + s5 = peg$parseidentifierName(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s4 = peg$c43; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s4 !== peg$FAILED) { + s5 = peg$parseidentifierName(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c45(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrValue() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 16, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrEqOps(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + s5 = peg$parsetype(); + if (s5 === peg$FAILED) { + s5 = peg$parseregex(); + } + if (s5 !== peg$FAILED) { + s1 = peg$c46(s1, s3, s5); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrOps(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + s5 = peg$parsestring(); + if (s5 === peg$FAILED) { + s5 = peg$parsenumber(); + if (s5 === peg$FAILED) { + s5 = peg$parsepath(); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c46(s1, s3, s5); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + s1 = peg$c47(s1); + } + s0 = s1; + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsestring() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 17, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 34) { + s1 = peg$c48; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c49); + } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c50.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c51); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c50.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c51); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 34) { + s3 = peg$c48; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c49); + } + } + if (s3 !== peg$FAILED) { + s1 = peg$c56(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 39) { + s1 = peg$c57; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c58); + } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c59.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c60); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c59.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c60); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 39) { + s3 = peg$c57; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c58); + } + } + if (s3 !== peg$FAILED) { + s1 = peg$c56(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenumber() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 18, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$currPos; + s2 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 46) { + s3 = peg$c43; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s3 !== peg$FAILED) { + s2 = [s2, s3]; + s1 = s2; + } else { + peg$currPos = s1; + s1 = peg$FAILED; + } + } else { + peg$currPos = s1; + s1 = peg$FAILED; + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + s1 = peg$c63(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsepath() { + var s0, s1; + var key = peg$currPos * 32 + 19, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseidentifierName(); + if (s1 !== peg$FAILED) { + s1 = peg$c64(s1); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsetype() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 20, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c65) { + s1 = peg$c65; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c66); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c67.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c68); + } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c67.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c68); + } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c71(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseflags() { + var s0, s1; + var key = peg$currPos * 32 + 21, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = []; + if (peg$c72.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c73); + } + } + if (s1 !== peg$FAILED) { + while (s1 !== peg$FAILED) { + s0.push(s1); + if (peg$c72.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c73); + } + } + } + } else { + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseregex() { + var s0, s1, s2, s3, s4; + var key = peg$currPos * 32 + 22, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 47) { + s1 = peg$c74; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c75); + } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c76.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c77); + } + } + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c76.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c77); + } + } + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 47) { + s3 = peg$c74; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c75); + } + } + if (s3 !== peg$FAILED) { + s4 = peg$parseflags(); + if (s4 === peg$FAILED) { + s4 = null; + } + if (s4 !== peg$FAILED) { + s1 = peg$c78(s2, s4); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsefield() { + var s0, s1, s2, s3, s4, s5, s6; + var key = peg$currPos * 32 + 23, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s1 = peg$c43; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + s3 = []; + s4 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s5 = peg$c43; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parseidentifierName(); + if (s6 !== peg$FAILED) { + s5 = [s5, s6]; + s4 = s5; + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + while (s4 !== peg$FAILED) { + s3.push(s4); + s4 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s5 = peg$c43; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parseidentifierName(); + if (s6 !== peg$FAILED) { + s5 = [s5, s6]; + s4 = s5; + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } + if (s3 !== peg$FAILED) { + s1 = peg$c79(s2, s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenegation() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 24, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c80) { + s1 = peg$c80; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c81); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseselectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c82(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsematches() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 25, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 9) === peg$c83) { + s1 = peg$c83; + peg$currPos += 9; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c84); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseselectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c85(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsehas() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 26, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c86) { + s1 = peg$c86; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c87); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parsehasSelectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c88(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsefirstChild() { + var s0, s1; + var key = peg$currPos * 32 + 27, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 12) === peg$c89) { + s1 = peg$c89; + peg$currPos += 12; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c90); + } + } + if (s1 !== peg$FAILED) { + s1 = peg$c91(); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parselastChild() { + var s0, s1; + var key = peg$currPos * 32 + 28, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 11) === peg$c92) { + s1 = peg$c92; + peg$currPos += 11; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c93); + } + } + if (s1 !== peg$FAILED) { + s1 = peg$c94(); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenthChild() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 29, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 11) === peg$c95) { + s1 = peg$c95; + peg$currPos += 11; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c96); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c97(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenthLastChild() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 30, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 16) === peg$c98) { + s1 = peg$c98; + peg$currPos += 16; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c99); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c100(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseclass() { + var s0, s1, s2; + var key = peg$currPos * 32 + 31, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 58) { + s1 = peg$c101; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c102); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + s1 = peg$c103(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function nth(n) { + return { + type: 'nth-child', + index: { + type: 'literal', + value: n + } + }; + } + function nthLast(n) { + return { + type: 'nth-last-child', + index: { + type: 'literal', + value: n + } + }; + } + function strUnescape(s) { + return s.replace(/\\(.)/g, function (match, ch) { + switch (ch) { + case 'b': + return '\b'; + case 'f': + return '\f'; + case 'n': + return '\n'; + case 'r': + return '\r'; + case 't': + return '\t'; + case 'v': + return '\v'; + default: + return ch; + } + }); + } + peg$result = peg$startRuleFunction(); + if (peg$result !== peg$FAILED && peg$currPos === input.length) { + return peg$result; + } else { + if (peg$result !== peg$FAILED && peg$currPos < input.length) { + peg$fail(peg$endExpectation()); + } + throw peg$buildStructuredError(peg$maxFailExpected, peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null, peg$maxFailPos < input.length ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1) : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)); + } + } + return { + SyntaxError: peg$SyntaxError, + parse: peg$parse + }; + }); + }); + + /** + * @typedef {"LEFT_SIDE"|"RIGHT_SIDE"} Side + */ + + var LEFT_SIDE = 'LEFT_SIDE'; + var RIGHT_SIDE = 'RIGHT_SIDE'; + + /** + * @external AST + * @see https://esprima.readthedocs.io/en/latest/syntax-tree-format.html + */ + + /** + * One of the rules of `grammar.pegjs` + * @typedef {PlainObject} SelectorAST + * @see grammar.pegjs + */ + + /** + * The `sequence` production of `grammar.pegjs` + * @typedef {PlainObject} SelectorSequenceAST + */ + + /** + * Get the value of a property which may be multiple levels down + * in the object. + * @param {?PlainObject} obj + * @param {string[]} keys + * @returns {undefined|boolean|string|number|external:AST} + */ + function getPath(obj, keys) { + for (var i = 0; i < keys.length; ++i) { + if (obj == null) { + return obj; + } + obj = obj[keys[i]]; + } + return obj; + } + + /** + * Determine whether `node` can be reached by following `path`, + * starting at `ancestor`. + * @param {?external:AST} node + * @param {?external:AST} ancestor + * @param {string[]} path + * @param {Integer} fromPathIndex + * @returns {boolean} + */ + function inPath(node, ancestor, path, fromPathIndex) { + var current = ancestor; + for (var i = fromPathIndex; i < path.length; ++i) { + if (current == null) { + return false; + } + var field = current[path[i]]; + if (Array.isArray(field)) { + for (var k = 0; k < field.length; ++k) { + if (inPath(node, field[k], path, i + 1)) { + return true; + } + } + return false; + } + current = field; + } + return node === current; + } + + /** + * A generated matcher function for a selector. + * @callback SelectorMatcher + * @param {?SelectorAST} selector + * @param {external:AST[]} [ancestry=[]] + * @param {ESQueryOptions} [options] + * @returns {void} + */ + + /** + * A WeakMap for holding cached matcher functions for selectors. + * @type {WeakMap} + */ + var MATCHER_CACHE = typeof WeakMap === 'function' ? new WeakMap() : null; + + /** + * Look up a matcher function for `selector` in the cache. + * If it does not exist, generate it with `generateMatcher` and add it to the cache. + * In engines without WeakMap, the caching is skipped and matchers are generated with every call. + * @param {?SelectorAST} selector + * @returns {SelectorMatcher} + */ + function getMatcher(selector) { + if (selector == null) { + return function () { + return true; + }; + } + if (MATCHER_CACHE != null) { + var matcher = MATCHER_CACHE.get(selector); + if (matcher != null) { + return matcher; + } + matcher = generateMatcher(selector); + MATCHER_CACHE.set(selector, matcher); + return matcher; + } + return generateMatcher(selector); + } + + /** + * Create a matcher function for `selector`, + * @param {?SelectorAST} selector + * @returns {SelectorMatcher} + */ + function generateMatcher(selector) { + switch (selector.type) { + case 'wildcard': + return function () { + return true; + }; + case 'identifier': + { + var value = selector.value.toLowerCase(); + return function (node, ancestry, options) { + var nodeTypeKey = options && options.nodeTypeKey || 'type'; + return value === node[nodeTypeKey].toLowerCase(); + }; + } + case 'exactNode': + return function (node, ancestry) { + return ancestry.length === 0; + }; + case 'field': + { + var path = selector.name.split('.'); + return function (node, ancestry) { + var ancestor = ancestry[path.length - 1]; + return inPath(node, ancestor, path, 0); + }; + } + case 'matches': + { + var matchers = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + for (var i = 0; i < matchers.length; ++i) { + if (matchers[i](node, ancestry, options)) { + return true; + } + } + return false; + }; + } + case 'compound': + { + var _matchers = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + for (var i = 0; i < _matchers.length; ++i) { + if (!_matchers[i](node, ancestry, options)) { + return false; + } + } + return true; + }; + } + case 'not': + { + var _matchers2 = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + for (var i = 0; i < _matchers2.length; ++i) { + if (_matchers2[i](node, ancestry, options)) { + return false; + } + } + return true; + }; + } + case 'has': + { + var _matchers3 = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + var result = false; + var a = []; + estraverse.traverse(node, { + enter: function enter(node, parent) { + if (parent != null) { + a.unshift(parent); + } + for (var i = 0; i < _matchers3.length; ++i) { + if (_matchers3[i](node, a, options)) { + result = true; + this["break"](); + return; + } + } + }, + leave: function leave() { + a.shift(); + }, + keys: options && options.visitorKeys, + fallback: options && options.fallback || 'iteration' + }); + return result; + }; + } + case 'child': + { + var left = getMatcher(selector.left); + var right = getMatcher(selector.right); + return function (node, ancestry, options) { + if (ancestry.length > 0 && right(node, ancestry, options)) { + return left(ancestry[0], ancestry.slice(1), options); + } + return false; + }; + } + case 'descendant': + { + var _left = getMatcher(selector.left); + var _right = getMatcher(selector.right); + return function (node, ancestry, options) { + if (_right(node, ancestry, options)) { + for (var i = 0, l = ancestry.length; i < l; ++i) { + if (_left(ancestry[i], ancestry.slice(i + 1), options)) { + return true; + } + } + } + return false; + }; + } + case 'attribute': + { + var _path = selector.name.split('.'); + switch (selector.operator) { + case void 0: + return function (node) { + return getPath(node, _path) != null; + }; + case '=': + switch (selector.value.type) { + case 'regexp': + return function (node) { + var p = getPath(node, _path); + return typeof p === 'string' && selector.value.value.test(p); + }; + case 'literal': + { + var literal = "".concat(selector.value.value); + return function (node) { + return literal === "".concat(getPath(node, _path)); + }; + } + case 'type': + return function (node) { + return selector.value.value === _typeof(getPath(node, _path)); + }; + } + throw new Error("Unknown selector value type: ".concat(selector.value.type)); + case '!=': + switch (selector.value.type) { + case 'regexp': + return function (node) { + return !selector.value.value.test(getPath(node, _path)); + }; + case 'literal': + { + var _literal = "".concat(selector.value.value); + return function (node) { + return _literal !== "".concat(getPath(node, _path)); + }; + } + case 'type': + return function (node) { + return selector.value.value !== _typeof(getPath(node, _path)); + }; + } + throw new Error("Unknown selector value type: ".concat(selector.value.type)); + case '<=': + return function (node) { + return getPath(node, _path) <= selector.value.value; + }; + case '<': + return function (node) { + return getPath(node, _path) < selector.value.value; + }; + case '>': + return function (node) { + return getPath(node, _path) > selector.value.value; + }; + case '>=': + return function (node) { + return getPath(node, _path) >= selector.value.value; + }; + } + throw new Error("Unknown operator: ".concat(selector.operator)); + } + case 'sibling': + { + var _left2 = getMatcher(selector.left); + var _right2 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right2(node, ancestry, options) && sibling(node, _left2, ancestry, LEFT_SIDE, options) || selector.left.subject && _left2(node, ancestry, options) && sibling(node, _right2, ancestry, RIGHT_SIDE, options); + }; + } + case 'adjacent': + { + var _left3 = getMatcher(selector.left); + var _right3 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right3(node, ancestry, options) && adjacent(node, _left3, ancestry, LEFT_SIDE, options) || selector.right.subject && _left3(node, ancestry, options) && adjacent(node, _right3, ancestry, RIGHT_SIDE, options); + }; + } + case 'nth-child': + { + var nth = selector.index.value; + var _right4 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right4(node, ancestry, options) && nthChild(node, ancestry, nth, options); + }; + } + case 'nth-last-child': + { + var _nth = -selector.index.value; + var _right5 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right5(node, ancestry, options) && nthChild(node, ancestry, _nth, options); + }; + } + case 'class': + { + var name = selector.name.toLowerCase(); + return function (node, ancestry, options) { + if (options && options.matchClass) { + return options.matchClass(selector.name, node, ancestry); + } + if (options && options.nodeTypeKey) return false; + switch (name) { + case 'statement': + if (node.type.slice(-9) === 'Statement') return true; + // fallthrough: interface Declaration <: Statement { } + case 'declaration': + return node.type.slice(-11) === 'Declaration'; + case 'pattern': + if (node.type.slice(-7) === 'Pattern') return true; + // fallthrough: interface Expression <: Node, Pattern { } + case 'expression': + return node.type.slice(-10) === 'Expression' || node.type.slice(-7) === 'Literal' || node.type === 'Identifier' && (ancestry.length === 0 || ancestry[0].type !== 'MetaProperty') || node.type === 'MetaProperty'; + case 'function': + return node.type === 'FunctionDeclaration' || node.type === 'FunctionExpression' || node.type === 'ArrowFunctionExpression'; + } + throw new Error("Unknown class name: ".concat(selector.name)); + }; + } + } + throw new Error("Unknown selector type: ".concat(selector.type)); + } + + /** + * @callback TraverseOptionFallback + * @param {external:AST} node The given node. + * @returns {string[]} An array of visitor keys for the given node. + */ + + /** + * @callback ClassMatcher + * @param {string} className The name of the class to match. + * @param {external:AST} node The node to match against. + * @param {Array} ancestry The ancestry of the node. + * @returns {boolean} True if the node matches the class, false if not. + */ + + /** + * @typedef {object} ESQueryOptions + * @property {string} [nodeTypeKey="type"] By passing `nodeTypeKey`, we can allow other ASTs to use ESQuery. + * @property { { [nodeType: string]: string[] } } [visitorKeys] By passing `visitorKeys` mapping, we can extend the properties of the nodes that traverse the node. + * @property {TraverseOptionFallback} [fallback] By passing `fallback` option, we can control the properties of traversing nodes when encountering unknown nodes. + * @property {ClassMatcher} [matchClass] By passing `matchClass` option, we can customize the interpretation of classes. + */ + + /** + * Given a `node` and its ancestors, determine if `node` is matched + * by `selector`. + * @param {?external:AST} node + * @param {?SelectorAST} selector + * @param {external:AST[]} [ancestry=[]] + * @param {ESQueryOptions} [options] + * @throws {Error} Unknowns (operator, class name, selector type, or + * selector value type) + * @returns {boolean} + */ + function matches(node, selector, ancestry, options) { + if (!selector) { + return true; + } + if (!node) { + return false; + } + if (!ancestry) { + ancestry = []; + } + return getMatcher(selector)(node, ancestry, options); + } + + /** + * Get visitor keys of a given node. + * @param {external:AST} node The AST node to get keys. + * @param {ESQueryOptions|undefined} options + * @returns {string[]} Visitor keys of the node. + */ + function getVisitorKeys(node, options) { + var nodeTypeKey = options && options.nodeTypeKey || 'type'; + var nodeType = node[nodeTypeKey]; + if (options && options.visitorKeys && options.visitorKeys[nodeType]) { + return options.visitorKeys[nodeType]; + } + if (estraverse.VisitorKeys[nodeType]) { + return estraverse.VisitorKeys[nodeType]; + } + if (options && typeof options.fallback === 'function') { + return options.fallback(node); + } + // 'iteration' fallback + return Object.keys(node).filter(function (key) { + return key !== nodeTypeKey; + }); + } + + /** + * Check whether the given value is an ASTNode or not. + * @param {any} node The value to check. + * @param {ESQueryOptions|undefined} options The options to use. + * @returns {boolean} `true` if the value is an ASTNode. + */ + function isNode(node, options) { + var nodeTypeKey = options && options.nodeTypeKey || 'type'; + return node !== null && _typeof(node) === 'object' && typeof node[nodeTypeKey] === 'string'; + } + + /** + * Determines if the given node has a sibling that matches the + * given selector matcher. + * @param {external:AST} node + * @param {SelectorMatcher} matcher + * @param {external:AST[]} ancestry + * @param {Side} side + * @param {ESQueryOptions|undefined} options + * @returns {boolean} + */ + function sibling(node, matcher, ancestry, side, options) { + var _ancestry = _slicedToArray(ancestry, 1), + parent = _ancestry[0]; + if (!parent) { + return false; + } + var keys = getVisitorKeys(parent, options); + for (var i = 0; i < keys.length; ++i) { + var listProp = parent[keys[i]]; + if (Array.isArray(listProp)) { + var startIndex = listProp.indexOf(node); + if (startIndex < 0) { + continue; + } + var lowerBound = void 0, + upperBound = void 0; + if (side === LEFT_SIDE) { + lowerBound = 0; + upperBound = startIndex; + } else { + lowerBound = startIndex + 1; + upperBound = listProp.length; + } + for (var k = lowerBound; k < upperBound; ++k) { + if (isNode(listProp[k], options) && matcher(listProp[k], ancestry, options)) { + return true; + } + } + } + } + return false; + } + + /** + * Determines if the given node has an adjacent sibling that matches + * the given selector matcher. + * @param {external:AST} node + * @param {SelectorMatcher} matcher + * @param {external:AST[]} ancestry + * @param {Side} side + * @param {ESQueryOptions|undefined} options + * @returns {boolean} + */ + function adjacent(node, matcher, ancestry, side, options) { + var _ancestry2 = _slicedToArray(ancestry, 1), + parent = _ancestry2[0]; + if (!parent) { + return false; + } + var keys = getVisitorKeys(parent, options); + for (var i = 0; i < keys.length; ++i) { + var listProp = parent[keys[i]]; + if (Array.isArray(listProp)) { + var idx = listProp.indexOf(node); + if (idx < 0) { + continue; + } + if (side === LEFT_SIDE && idx > 0 && isNode(listProp[idx - 1], options) && matcher(listProp[idx - 1], ancestry, options)) { + return true; + } + if (side === RIGHT_SIDE && idx < listProp.length - 1 && isNode(listProp[idx + 1], options) && matcher(listProp[idx + 1], ancestry, options)) { + return true; + } + } + } + return false; + } + + /** + * Determines if the given node is the `nth` child. + * If `nth` is negative then the position is counted + * from the end of the list of children. + * @param {external:AST} node + * @param {external:AST[]} ancestry + * @param {Integer} nth + * @param {ESQueryOptions|undefined} options + * @returns {boolean} + */ + function nthChild(node, ancestry, nth, options) { + if (nth === 0) { + return false; + } + var _ancestry3 = _slicedToArray(ancestry, 1), + parent = _ancestry3[0]; + if (!parent) { + return false; + } + var keys = getVisitorKeys(parent, options); + for (var i = 0; i < keys.length; ++i) { + var listProp = parent[keys[i]]; + if (Array.isArray(listProp)) { + var idx = nth < 0 ? listProp.length + nth : nth - 1; + if (idx >= 0 && idx < listProp.length && listProp[idx] === node) { + return true; + } + } + } + return false; + } + + /** + * For each selector node marked as a subject, find the portion of the + * selector that the subject must match. + * @param {SelectorAST} selector + * @param {SelectorAST} [ancestor] Defaults to `selector` + * @returns {SelectorAST[]} + */ + function subjects(selector, ancestor) { + if (selector == null || _typeof(selector) != 'object') { + return []; + } + if (ancestor == null) { + ancestor = selector; + } + var results = selector.subject ? [ancestor] : []; + var keys = Object.keys(selector); + for (var i = 0; i < keys.length; ++i) { + var p = keys[i]; + var sel = selector[p]; + results.push.apply(results, _toConsumableArray(subjects(sel, p === 'left' ? sel : ancestor))); + } + return results; + } + + /** + * @callback TraverseVisitor + * @param {?external:AST} node + * @param {?external:AST} parent + * @param {external:AST[]} ancestry + */ + + /** + * From a JS AST and a selector AST, collect all JS AST nodes that + * match the selector. + * @param {external:AST} ast + * @param {?SelectorAST} selector + * @param {TraverseVisitor} visitor + * @param {ESQueryOptions} [options] + * @returns {external:AST[]} + */ + function traverse(ast, selector, visitor, options) { + if (!selector) { + return; + } + var ancestry = []; + var matcher = getMatcher(selector); + var altSubjects = subjects(selector).map(getMatcher); + estraverse.traverse(ast, { + enter: function enter(node, parent) { + if (parent != null) { + ancestry.unshift(parent); + } + if (matcher(node, ancestry, options)) { + if (altSubjects.length) { + for (var i = 0, l = altSubjects.length; i < l; ++i) { + if (altSubjects[i](node, ancestry, options)) { + visitor(node, parent, ancestry); + } + for (var k = 0, m = ancestry.length; k < m; ++k) { + var succeedingAncestry = ancestry.slice(k + 1); + if (altSubjects[i](ancestry[k], succeedingAncestry, options)) { + visitor(ancestry[k], parent, succeedingAncestry); + } + } + } + } else { + visitor(node, parent, ancestry); + } + } + }, + leave: function leave() { + ancestry.shift(); + }, + keys: options && options.visitorKeys, + fallback: options && options.fallback || 'iteration' + }); + } + + /** + * From a JS AST and a selector AST, collect all JS AST nodes that + * match the selector. + * @param {external:AST} ast + * @param {?SelectorAST} selector + * @param {ESQueryOptions} [options] + * @returns {external:AST[]} + */ + function match(ast, selector, options) { + var results = []; + traverse(ast, selector, function (node) { + results.push(node); + }, options); + return results; + } + + /** + * Parse a selector string and return its AST. + * @param {string} selector + * @returns {SelectorAST} + */ + function parse(selector) { + return parser.parse(selector); + } + + /** + * Query the code AST using the selector string. + * @param {external:AST} ast + * @param {string} selector + * @param {ESQueryOptions} [options] + * @returns {external:AST[]} + */ + function query(ast, selector, options) { + return match(ast, parse(selector), options); + } + query.parse = parse; + query.match = match; + query.traverse = traverse; + query.matches = matches; + query.query = query; + + return query; + +}))); diff --git a/module/node_modules/esquery/dist/esquery.lite.js b/module/node_modules/esquery/dist/esquery.lite.js new file mode 100644 index 000000000..170c9336f --- /dev/null +++ b/module/node_modules/esquery/dist/esquery.lite.js @@ -0,0 +1,3470 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('estraverse')) : + typeof define === 'function' && define.amd ? define(['estraverse'], factory) : + (global = global || self, global.esquery = factory(global.estraverse)); +}(this, (function (estraverse) { 'use strict'; + + estraverse = estraverse && Object.prototype.hasOwnProperty.call(estraverse, 'default') ? estraverse['default'] : estraverse; + + function _iterableToArrayLimit(arr, i) { + var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; + if (null != _i) { + var _s, + _e, + _x, + _r, + _arr = [], + _n = !0, + _d = !1; + try { + if (_x = (_i = _i.call(arr)).next, 0 === i) { + if (Object(_i) !== _i) return; + _n = !1; + } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); + } catch (err) { + _d = !0, _e = err; + } finally { + try { + if (!_n && null != _i.return && (_r = _i.return(), Object(_r) !== _r)) return; + } finally { + if (_d) throw _e; + } + } + return _arr; + } + } + function _typeof(obj) { + "@babel/helpers - typeof"; + + return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { + return typeof obj; + } : function (obj) { + return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; + }, _typeof(obj); + } + function _slicedToArray(arr, i) { + return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); + } + function _toConsumableArray(arr) { + return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); + } + function _arrayWithoutHoles(arr) { + if (Array.isArray(arr)) return _arrayLikeToArray(arr); + } + function _arrayWithHoles(arr) { + if (Array.isArray(arr)) return arr; + } + function _iterableToArray(iter) { + if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); + } + function _unsupportedIterableToArray(o, minLen) { + if (!o) return; + if (typeof o === "string") return _arrayLikeToArray(o, minLen); + var n = Object.prototype.toString.call(o).slice(8, -1); + if (n === "Object" && o.constructor) n = o.constructor.name; + if (n === "Map" || n === "Set") return Array.from(o); + if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); + } + function _arrayLikeToArray(arr, len) { + if (len == null || len > arr.length) len = arr.length; + for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; + return arr2; + } + function _nonIterableSpread() { + throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); + } + function _nonIterableRest() { + throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); + } + + var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; + + function createCommonjsModule(fn, module) { + return module = { exports: {} }, fn(module, module.exports), module.exports; + } + + var parser = createCommonjsModule(function (module) { + /* + * Generated by PEG.js 0.10.0. + * + * http://pegjs.org/ + */ + (function (root, factory) { + if ( module.exports) { + module.exports = factory(); + } + })(commonjsGlobal, function () { + + function peg$subclass(child, parent) { + function ctor() { + this.constructor = child; + } + ctor.prototype = parent.prototype; + child.prototype = new ctor(); + } + function peg$SyntaxError(message, expected, found, location) { + this.message = message; + this.expected = expected; + this.found = found; + this.location = location; + this.name = "SyntaxError"; + if (typeof Error.captureStackTrace === "function") { + Error.captureStackTrace(this, peg$SyntaxError); + } + } + peg$subclass(peg$SyntaxError, Error); + peg$SyntaxError.buildMessage = function (expected, found) { + var DESCRIBE_EXPECTATION_FNS = { + literal: function literal(expectation) { + return "\"" + literalEscape(expectation.text) + "\""; + }, + "class": function _class(expectation) { + var escapedParts = "", + i; + for (i = 0; i < expectation.parts.length; i++) { + escapedParts += expectation.parts[i] instanceof Array ? classEscape(expectation.parts[i][0]) + "-" + classEscape(expectation.parts[i][1]) : classEscape(expectation.parts[i]); + } + return "[" + (expectation.inverted ? "^" : "") + escapedParts + "]"; + }, + any: function any(expectation) { + return "any character"; + }, + end: function end(expectation) { + return "end of input"; + }, + other: function other(expectation) { + return expectation.description; + } + }; + function hex(ch) { + return ch.charCodeAt(0).toString(16).toUpperCase(); + } + function literalEscape(s) { + return s.replace(/\\/g, '\\\\').replace(/"/g, '\\"').replace(/\0/g, '\\0').replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/[\x00-\x0F]/g, function (ch) { + return '\\x0' + hex(ch); + }).replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) { + return '\\x' + hex(ch); + }); + } + function classEscape(s) { + return s.replace(/\\/g, '\\\\').replace(/\]/g, '\\]').replace(/\^/g, '\\^').replace(/-/g, '\\-').replace(/\0/g, '\\0').replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/[\x00-\x0F]/g, function (ch) { + return '\\x0' + hex(ch); + }).replace(/[\x10-\x1F\x7F-\x9F]/g, function (ch) { + return '\\x' + hex(ch); + }); + } + function describeExpectation(expectation) { + return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation); + } + function describeExpected(expected) { + var descriptions = new Array(expected.length), + i, + j; + for (i = 0; i < expected.length; i++) { + descriptions[i] = describeExpectation(expected[i]); + } + descriptions.sort(); + if (descriptions.length > 0) { + for (i = 1, j = 1; i < descriptions.length; i++) { + if (descriptions[i - 1] !== descriptions[i]) { + descriptions[j] = descriptions[i]; + j++; + } + } + descriptions.length = j; + } + switch (descriptions.length) { + case 1: + return descriptions[0]; + case 2: + return descriptions[0] + " or " + descriptions[1]; + default: + return descriptions.slice(0, -1).join(", ") + ", or " + descriptions[descriptions.length - 1]; + } + } + function describeFound(found) { + return found ? "\"" + literalEscape(found) + "\"" : "end of input"; + } + return "Expected " + describeExpected(expected) + " but " + describeFound(found) + " found."; + }; + function peg$parse(input, options) { + options = options !== void 0 ? options : {}; + var peg$FAILED = {}, + peg$startRuleFunctions = { + start: peg$parsestart + }, + peg$startRuleFunction = peg$parsestart, + peg$c0 = function peg$c0(ss) { + return ss.length === 1 ? ss[0] : { + type: 'matches', + selectors: ss + }; + }, + peg$c1 = function peg$c1() { + return void 0; + }, + peg$c2 = " ", + peg$c3 = peg$literalExpectation(" ", false), + peg$c4 = /^[^ [\],():#!=><~+.]/, + peg$c5 = peg$classExpectation([" ", "[", "]", ",", "(", ")", ":", "#", "!", "=", ">", "<", "~", "+", "."], true, false), + peg$c6 = function peg$c6(i) { + return i.join(''); + }, + peg$c7 = ">", + peg$c8 = peg$literalExpectation(">", false), + peg$c9 = function peg$c9() { + return 'child'; + }, + peg$c10 = "~", + peg$c11 = peg$literalExpectation("~", false), + peg$c12 = function peg$c12() { + return 'sibling'; + }, + peg$c13 = "+", + peg$c14 = peg$literalExpectation("+", false), + peg$c15 = function peg$c15() { + return 'adjacent'; + }, + peg$c16 = function peg$c16() { + return 'descendant'; + }, + peg$c17 = ",", + peg$c18 = peg$literalExpectation(",", false), + peg$c19 = function peg$c19(s, ss) { + return [s].concat(ss.map(function (s) { + return s[3]; + })); + }, + peg$c20 = function peg$c20(op, s) { + if (!op) return s; + return { + type: op, + left: { + type: 'exactNode' + }, + right: s + }; + }, + peg$c21 = function peg$c21(a, ops) { + return ops.reduce(function (memo, rhs) { + return { + type: rhs[0], + left: memo, + right: rhs[1] + }; + }, a); + }, + peg$c22 = "!", + peg$c23 = peg$literalExpectation("!", false), + peg$c24 = function peg$c24(subject, as) { + var b = as.length === 1 ? as[0] : { + type: 'compound', + selectors: as + }; + if (subject) b.subject = true; + return b; + }, + peg$c25 = "*", + peg$c26 = peg$literalExpectation("*", false), + peg$c27 = function peg$c27(a) { + return { + type: 'wildcard', + value: a + }; + }, + peg$c28 = "#", + peg$c29 = peg$literalExpectation("#", false), + peg$c30 = function peg$c30(i) { + return { + type: 'identifier', + value: i + }; + }, + peg$c31 = "[", + peg$c32 = peg$literalExpectation("[", false), + peg$c33 = "]", + peg$c34 = peg$literalExpectation("]", false), + peg$c35 = function peg$c35(v) { + return v; + }, + peg$c36 = /^[>", "<", "!"], false, false), + peg$c38 = "=", + peg$c39 = peg$literalExpectation("=", false), + peg$c40 = function peg$c40(a) { + return (a || '') + '='; + }, + peg$c41 = /^[><]/, + peg$c42 = peg$classExpectation([">", "<"], false, false), + peg$c43 = ".", + peg$c44 = peg$literalExpectation(".", false), + peg$c45 = function peg$c45(a, as) { + return [].concat.apply([a], as).join(''); + }, + peg$c46 = function peg$c46(name, op, value) { + return { + type: 'attribute', + name: name, + operator: op, + value: value + }; + }, + peg$c47 = function peg$c47(name) { + return { + type: 'attribute', + name: name + }; + }, + peg$c48 = "\"", + peg$c49 = peg$literalExpectation("\"", false), + peg$c50 = /^[^\\"]/, + peg$c51 = peg$classExpectation(["\\", "\""], true, false), + peg$c52 = "\\", + peg$c53 = peg$literalExpectation("\\", false), + peg$c54 = peg$anyExpectation(), + peg$c55 = function peg$c55(a, b) { + return a + b; + }, + peg$c56 = function peg$c56(d) { + return { + type: 'literal', + value: strUnescape(d.join('')) + }; + }, + peg$c57 = "'", + peg$c58 = peg$literalExpectation("'", false), + peg$c59 = /^[^\\']/, + peg$c60 = peg$classExpectation(["\\", "'"], true, false), + peg$c61 = /^[0-9]/, + peg$c62 = peg$classExpectation([["0", "9"]], false, false), + peg$c63 = function peg$c63(a, b) { + // Can use `a.flat().join('')` once supported + var leadingDecimals = a ? [].concat.apply([], a).join('') : ''; + return { + type: 'literal', + value: parseFloat(leadingDecimals + b.join('')) + }; + }, + peg$c64 = function peg$c64(i) { + return { + type: 'literal', + value: i + }; + }, + peg$c65 = "type(", + peg$c66 = peg$literalExpectation("type(", false), + peg$c67 = /^[^ )]/, + peg$c68 = peg$classExpectation([" ", ")"], true, false), + peg$c69 = ")", + peg$c70 = peg$literalExpectation(")", false), + peg$c71 = function peg$c71(t) { + return { + type: 'type', + value: t.join('') + }; + }, + peg$c72 = /^[imsu]/, + peg$c73 = peg$classExpectation(["i", "m", "s", "u"], false, false), + peg$c74 = "/", + peg$c75 = peg$literalExpectation("/", false), + peg$c76 = /^[^\/]/, + peg$c77 = peg$classExpectation(["/"], true, false), + peg$c78 = function peg$c78(d, flgs) { + return { + type: 'regexp', + value: new RegExp(d.join(''), flgs ? flgs.join('') : '') + }; + }, + peg$c79 = function peg$c79(i, is) { + return { + type: 'field', + name: is.reduce(function (memo, p) { + return memo + p[0] + p[1]; + }, i) + }; + }, + peg$c80 = ":not(", + peg$c81 = peg$literalExpectation(":not(", false), + peg$c82 = function peg$c82(ss) { + return { + type: 'not', + selectors: ss + }; + }, + peg$c83 = ":matches(", + peg$c84 = peg$literalExpectation(":matches(", false), + peg$c85 = function peg$c85(ss) { + return { + type: 'matches', + selectors: ss + }; + }, + peg$c86 = ":has(", + peg$c87 = peg$literalExpectation(":has(", false), + peg$c88 = function peg$c88(ss) { + return { + type: 'has', + selectors: ss + }; + }, + peg$c89 = ":first-child", + peg$c90 = peg$literalExpectation(":first-child", false), + peg$c91 = function peg$c91() { + return nth(1); + }, + peg$c92 = ":last-child", + peg$c93 = peg$literalExpectation(":last-child", false), + peg$c94 = function peg$c94() { + return nthLast(1); + }, + peg$c95 = ":nth-child(", + peg$c96 = peg$literalExpectation(":nth-child(", false), + peg$c97 = function peg$c97(n) { + return nth(parseInt(n.join(''), 10)); + }, + peg$c98 = ":nth-last-child(", + peg$c99 = peg$literalExpectation(":nth-last-child(", false), + peg$c100 = function peg$c100(n) { + return nthLast(parseInt(n.join(''), 10)); + }, + peg$c101 = ":", + peg$c102 = peg$literalExpectation(":", false), + peg$c103 = function peg$c103(c) { + return { + type: 'class', + name: c + }; + }, + peg$currPos = 0, + peg$posDetailsCache = [{ + line: 1, + column: 1 + }], + peg$maxFailPos = 0, + peg$maxFailExpected = [], + peg$resultsCache = {}, + peg$result; + if ("startRule" in options) { + if (!(options.startRule in peg$startRuleFunctions)) { + throw new Error("Can't start parsing from rule \"" + options.startRule + "\"."); + } + peg$startRuleFunction = peg$startRuleFunctions[options.startRule]; + } + function peg$literalExpectation(text, ignoreCase) { + return { + type: "literal", + text: text, + ignoreCase: ignoreCase + }; + } + function peg$classExpectation(parts, inverted, ignoreCase) { + return { + type: "class", + parts: parts, + inverted: inverted, + ignoreCase: ignoreCase + }; + } + function peg$anyExpectation() { + return { + type: "any" + }; + } + function peg$endExpectation() { + return { + type: "end" + }; + } + function peg$computePosDetails(pos) { + var details = peg$posDetailsCache[pos], + p; + if (details) { + return details; + } else { + p = pos - 1; + while (!peg$posDetailsCache[p]) { + p--; + } + details = peg$posDetailsCache[p]; + details = { + line: details.line, + column: details.column + }; + while (p < pos) { + if (input.charCodeAt(p) === 10) { + details.line++; + details.column = 1; + } else { + details.column++; + } + p++; + } + peg$posDetailsCache[pos] = details; + return details; + } + } + function peg$computeLocation(startPos, endPos) { + var startPosDetails = peg$computePosDetails(startPos), + endPosDetails = peg$computePosDetails(endPos); + return { + start: { + offset: startPos, + line: startPosDetails.line, + column: startPosDetails.column + }, + end: { + offset: endPos, + line: endPosDetails.line, + column: endPosDetails.column + } + }; + } + function peg$fail(expected) { + if (peg$currPos < peg$maxFailPos) { + return; + } + if (peg$currPos > peg$maxFailPos) { + peg$maxFailPos = peg$currPos; + peg$maxFailExpected = []; + } + peg$maxFailExpected.push(expected); + } + function peg$buildStructuredError(expected, found, location) { + return new peg$SyntaxError(peg$SyntaxError.buildMessage(expected, found), expected, found, location); + } + function peg$parsestart() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 0, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + s2 = peg$parseselectors(); + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c0(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + s1 = peg$c1(); + } + s0 = s1; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parse_() { + var s0, s1; + var key = peg$currPos * 32 + 1, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = []; + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c3); + } + } + while (s1 !== peg$FAILED) { + s0.push(s1); + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c3); + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseidentifierName() { + var s0, s1, s2; + var key = peg$currPos * 32 + 2, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = []; + if (peg$c4.test(input.charAt(peg$currPos))) { + s2 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c5); + } + } + if (s2 !== peg$FAILED) { + while (s2 !== peg$FAILED) { + s1.push(s2); + if (peg$c4.test(input.charAt(peg$currPos))) { + s2 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c5); + } + } + } + } else { + s1 = peg$FAILED; + } + if (s1 !== peg$FAILED) { + s1 = peg$c6(s1); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsebinaryOp() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 3, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 62) { + s2 = peg$c7; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c8); + } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c9(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 126) { + s2 = peg$c10; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c11); + } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c12(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 43) { + s2 = peg$c13; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c14); + } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + s1 = peg$c15(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c3); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s1 = peg$c16(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsehasSelectors() { + var s0, s1, s2, s3, s4, s5, s6, s7; + var key = peg$currPos * 32 + 4, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parsehasSelector(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parsehasSelector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parsehasSelector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c19(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseselectors() { + var s0, s1, s2, s3, s4, s5, s6, s7; + var key = peg$currPos * 32 + 5, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseselector(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parseselector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c18); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parseselector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c19(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsehasSelector() { + var s0, s1, s2; + var key = peg$currPos * 32 + 6, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parsebinaryOp(); + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = peg$parseselector(); + if (s2 !== peg$FAILED) { + s1 = peg$c20(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseselector() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 7, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parsesequence(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parsebinaryOp(); + if (s4 !== peg$FAILED) { + s5 = peg$parsesequence(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parsebinaryOp(); + if (s4 !== peg$FAILED) { + s5 = peg$parsesequence(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c21(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsesequence() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 8, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 33) { + s1 = peg$c22; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c23); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$parseatom(); + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$parseatom(); + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + s1 = peg$c24(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseatom() { + var s0; + var key = peg$currPos * 32 + 9, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$parsewildcard(); + if (s0 === peg$FAILED) { + s0 = peg$parseidentifier(); + if (s0 === peg$FAILED) { + s0 = peg$parseattr(); + if (s0 === peg$FAILED) { + s0 = peg$parsefield(); + if (s0 === peg$FAILED) { + s0 = peg$parsenegation(); + if (s0 === peg$FAILED) { + s0 = peg$parsematches(); + if (s0 === peg$FAILED) { + s0 = peg$parsehas(); + if (s0 === peg$FAILED) { + s0 = peg$parsefirstChild(); + if (s0 === peg$FAILED) { + s0 = peg$parselastChild(); + if (s0 === peg$FAILED) { + s0 = peg$parsenthChild(); + if (s0 === peg$FAILED) { + s0 = peg$parsenthLastChild(); + if (s0 === peg$FAILED) { + s0 = peg$parseclass(); + } + } + } + } + } + } + } + } + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsewildcard() { + var s0, s1; + var key = peg$currPos * 32 + 10, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 42) { + s1 = peg$c25; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c26); + } + } + if (s1 !== peg$FAILED) { + s1 = peg$c27(s1); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseidentifier() { + var s0, s1, s2; + var key = peg$currPos * 32 + 11, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 35) { + s1 = peg$c28; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c29); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + s1 = peg$c30(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattr() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 12, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 91) { + s1 = peg$c31; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c32); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrValue(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 93) { + s5 = peg$c33; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c34); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c35(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrOps() { + var s0, s1, s2; + var key = peg$currPos * 32 + 13, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (peg$c36.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c37); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 61) { + s2 = peg$c38; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c39); + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c40(s1); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + if (peg$c41.test(input.charAt(peg$currPos))) { + s0 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s0 = peg$FAILED; + { + peg$fail(peg$c42); + } + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrEqOps() { + var s0, s1, s2; + var key = peg$currPos * 32 + 14, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 33) { + s1 = peg$c22; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c23); + } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 61) { + s2 = peg$c38; + peg$currPos++; + } else { + s2 = peg$FAILED; + { + peg$fail(peg$c39); + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c40(s1); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrName() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 15, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseidentifierName(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s4 = peg$c43; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s4 !== peg$FAILED) { + s5 = peg$parseidentifierName(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s4 = peg$c43; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s4 !== peg$FAILED) { + s5 = peg$parseidentifierName(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + s1 = peg$c45(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseattrValue() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 16, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrEqOps(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + s5 = peg$parsetype(); + if (s5 === peg$FAILED) { + s5 = peg$parseregex(); + } + if (s5 !== peg$FAILED) { + s1 = peg$c46(s1, s3, s5); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrOps(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + s5 = peg$parsestring(); + if (s5 === peg$FAILED) { + s5 = peg$parsenumber(); + if (s5 === peg$FAILED) { + s5 = peg$parsepath(); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c46(s1, s3, s5); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + s1 = peg$c47(s1); + } + s0 = s1; + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsestring() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 17, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 34) { + s1 = peg$c48; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c49); + } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c50.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c51); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c50.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c51); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 34) { + s3 = peg$c48; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c49); + } + } + if (s3 !== peg$FAILED) { + s1 = peg$c56(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 39) { + s1 = peg$c57; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c58); + } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c59.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c60); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c59.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c60); + } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c53); + } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c54); + } + } + if (s5 !== peg$FAILED) { + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 39) { + s3 = peg$c57; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c58); + } + } + if (s3 !== peg$FAILED) { + s1 = peg$c56(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenumber() { + var s0, s1, s2, s3; + var key = peg$currPos * 32 + 18, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$currPos; + s2 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 46) { + s3 = peg$c43; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s3 !== peg$FAILED) { + s2 = [s2, s3]; + s1 = s2; + } else { + peg$currPos = s1; + s1 = peg$FAILED; + } + } else { + peg$currPos = s1; + s1 = peg$FAILED; + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + s1 = peg$c63(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsepath() { + var s0, s1; + var key = peg$currPos * 32 + 19, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + s1 = peg$parseidentifierName(); + if (s1 !== peg$FAILED) { + s1 = peg$c64(s1); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsetype() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 20, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c65) { + s1 = peg$c65; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c66); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c67.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c68); + } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c67.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c68); + } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c71(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseflags() { + var s0, s1; + var key = peg$currPos * 32 + 21, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = []; + if (peg$c72.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c73); + } + } + if (s1 !== peg$FAILED) { + while (s1 !== peg$FAILED) { + s0.push(s1); + if (peg$c72.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c73); + } + } + } + } else { + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseregex() { + var s0, s1, s2, s3, s4; + var key = peg$currPos * 32 + 22, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 47) { + s1 = peg$c74; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c75); + } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c76.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c77); + } + } + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c76.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c77); + } + } + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 47) { + s3 = peg$c74; + peg$currPos++; + } else { + s3 = peg$FAILED; + { + peg$fail(peg$c75); + } + } + if (s3 !== peg$FAILED) { + s4 = peg$parseflags(); + if (s4 === peg$FAILED) { + s4 = null; + } + if (s4 !== peg$FAILED) { + s1 = peg$c78(s2, s4); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsefield() { + var s0, s1, s2, s3, s4, s5, s6; + var key = peg$currPos * 32 + 23, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s1 = peg$c43; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + s3 = []; + s4 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s5 = peg$c43; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parseidentifierName(); + if (s6 !== peg$FAILED) { + s5 = [s5, s6]; + s4 = s5; + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + while (s4 !== peg$FAILED) { + s3.push(s4); + s4 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s5 = peg$c43; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c44); + } + } + if (s5 !== peg$FAILED) { + s6 = peg$parseidentifierName(); + if (s6 !== peg$FAILED) { + s5 = [s5, s6]; + s4 = s5; + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } + if (s3 !== peg$FAILED) { + s1 = peg$c79(s2, s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenegation() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 24, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c80) { + s1 = peg$c80; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c81); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseselectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c82(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsematches() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 25, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 9) === peg$c83) { + s1 = peg$c83; + peg$currPos += 9; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c84); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseselectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c85(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsehas() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 26, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c86) { + s1 = peg$c86; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c87); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parsehasSelectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c88(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsefirstChild() { + var s0, s1; + var key = peg$currPos * 32 + 27, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 12) === peg$c89) { + s1 = peg$c89; + peg$currPos += 12; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c90); + } + } + if (s1 !== peg$FAILED) { + s1 = peg$c91(); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parselastChild() { + var s0, s1; + var key = peg$currPos * 32 + 28, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 11) === peg$c92) { + s1 = peg$c92; + peg$currPos += 11; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c93); + } + } + if (s1 !== peg$FAILED) { + s1 = peg$c94(); + } + s0 = s1; + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenthChild() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 29, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 11) === peg$c95) { + s1 = peg$c95; + peg$currPos += 11; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c96); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c97(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parsenthLastChild() { + var s0, s1, s2, s3, s4, s5; + var key = peg$currPos * 32 + 30, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.substr(peg$currPos, 16) === peg$c98) { + s1 = peg$c98; + peg$currPos += 16; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c99); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + { + peg$fail(peg$c62); + } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + { + peg$fail(peg$c70); + } + } + if (s5 !== peg$FAILED) { + s1 = peg$c100(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function peg$parseclass() { + var s0, s1, s2; + var key = peg$currPos * 32 + 31, + cached = peg$resultsCache[key]; + if (cached) { + peg$currPos = cached.nextPos; + return cached.result; + } + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 58) { + s1 = peg$c101; + peg$currPos++; + } else { + s1 = peg$FAILED; + { + peg$fail(peg$c102); + } + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + s1 = peg$c103(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + peg$resultsCache[key] = { + nextPos: peg$currPos, + result: s0 + }; + return s0; + } + function nth(n) { + return { + type: 'nth-child', + index: { + type: 'literal', + value: n + } + }; + } + function nthLast(n) { + return { + type: 'nth-last-child', + index: { + type: 'literal', + value: n + } + }; + } + function strUnescape(s) { + return s.replace(/\\(.)/g, function (match, ch) { + switch (ch) { + case 'b': + return '\b'; + case 'f': + return '\f'; + case 'n': + return '\n'; + case 'r': + return '\r'; + case 't': + return '\t'; + case 'v': + return '\v'; + default: + return ch; + } + }); + } + peg$result = peg$startRuleFunction(); + if (peg$result !== peg$FAILED && peg$currPos === input.length) { + return peg$result; + } else { + if (peg$result !== peg$FAILED && peg$currPos < input.length) { + peg$fail(peg$endExpectation()); + } + throw peg$buildStructuredError(peg$maxFailExpected, peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null, peg$maxFailPos < input.length ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1) : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)); + } + } + return { + SyntaxError: peg$SyntaxError, + parse: peg$parse + }; + }); + }); + + /** + * @typedef {"LEFT_SIDE"|"RIGHT_SIDE"} Side + */ + + var LEFT_SIDE = 'LEFT_SIDE'; + var RIGHT_SIDE = 'RIGHT_SIDE'; + + /** + * @external AST + * @see https://esprima.readthedocs.io/en/latest/syntax-tree-format.html + */ + + /** + * One of the rules of `grammar.pegjs` + * @typedef {PlainObject} SelectorAST + * @see grammar.pegjs + */ + + /** + * The `sequence` production of `grammar.pegjs` + * @typedef {PlainObject} SelectorSequenceAST + */ + + /** + * Get the value of a property which may be multiple levels down + * in the object. + * @param {?PlainObject} obj + * @param {string[]} keys + * @returns {undefined|boolean|string|number|external:AST} + */ + function getPath(obj, keys) { + for (var i = 0; i < keys.length; ++i) { + if (obj == null) { + return obj; + } + obj = obj[keys[i]]; + } + return obj; + } + + /** + * Determine whether `node` can be reached by following `path`, + * starting at `ancestor`. + * @param {?external:AST} node + * @param {?external:AST} ancestor + * @param {string[]} path + * @param {Integer} fromPathIndex + * @returns {boolean} + */ + function inPath(node, ancestor, path, fromPathIndex) { + var current = ancestor; + for (var i = fromPathIndex; i < path.length; ++i) { + if (current == null) { + return false; + } + var field = current[path[i]]; + if (Array.isArray(field)) { + for (var k = 0; k < field.length; ++k) { + if (inPath(node, field[k], path, i + 1)) { + return true; + } + } + return false; + } + current = field; + } + return node === current; + } + + /** + * A generated matcher function for a selector. + * @callback SelectorMatcher + * @param {?SelectorAST} selector + * @param {external:AST[]} [ancestry=[]] + * @param {ESQueryOptions} [options] + * @returns {void} + */ + + /** + * A WeakMap for holding cached matcher functions for selectors. + * @type {WeakMap} + */ + var MATCHER_CACHE = typeof WeakMap === 'function' ? new WeakMap() : null; + + /** + * Look up a matcher function for `selector` in the cache. + * If it does not exist, generate it with `generateMatcher` and add it to the cache. + * In engines without WeakMap, the caching is skipped and matchers are generated with every call. + * @param {?SelectorAST} selector + * @returns {SelectorMatcher} + */ + function getMatcher(selector) { + if (selector == null) { + return function () { + return true; + }; + } + if (MATCHER_CACHE != null) { + var matcher = MATCHER_CACHE.get(selector); + if (matcher != null) { + return matcher; + } + matcher = generateMatcher(selector); + MATCHER_CACHE.set(selector, matcher); + return matcher; + } + return generateMatcher(selector); + } + + /** + * Create a matcher function for `selector`, + * @param {?SelectorAST} selector + * @returns {SelectorMatcher} + */ + function generateMatcher(selector) { + switch (selector.type) { + case 'wildcard': + return function () { + return true; + }; + case 'identifier': + { + var value = selector.value.toLowerCase(); + return function (node, ancestry, options) { + var nodeTypeKey = options && options.nodeTypeKey || 'type'; + return value === node[nodeTypeKey].toLowerCase(); + }; + } + case 'exactNode': + return function (node, ancestry) { + return ancestry.length === 0; + }; + case 'field': + { + var path = selector.name.split('.'); + return function (node, ancestry) { + var ancestor = ancestry[path.length - 1]; + return inPath(node, ancestor, path, 0); + }; + } + case 'matches': + { + var matchers = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + for (var i = 0; i < matchers.length; ++i) { + if (matchers[i](node, ancestry, options)) { + return true; + } + } + return false; + }; + } + case 'compound': + { + var _matchers = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + for (var i = 0; i < _matchers.length; ++i) { + if (!_matchers[i](node, ancestry, options)) { + return false; + } + } + return true; + }; + } + case 'not': + { + var _matchers2 = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + for (var i = 0; i < _matchers2.length; ++i) { + if (_matchers2[i](node, ancestry, options)) { + return false; + } + } + return true; + }; + } + case 'has': + { + var _matchers3 = selector.selectors.map(getMatcher); + return function (node, ancestry, options) { + var result = false; + var a = []; + estraverse.traverse(node, { + enter: function enter(node, parent) { + if (parent != null) { + a.unshift(parent); + } + for (var i = 0; i < _matchers3.length; ++i) { + if (_matchers3[i](node, a, options)) { + result = true; + this["break"](); + return; + } + } + }, + leave: function leave() { + a.shift(); + }, + keys: options && options.visitorKeys, + fallback: options && options.fallback || 'iteration' + }); + return result; + }; + } + case 'child': + { + var left = getMatcher(selector.left); + var right = getMatcher(selector.right); + return function (node, ancestry, options) { + if (ancestry.length > 0 && right(node, ancestry, options)) { + return left(ancestry[0], ancestry.slice(1), options); + } + return false; + }; + } + case 'descendant': + { + var _left = getMatcher(selector.left); + var _right = getMatcher(selector.right); + return function (node, ancestry, options) { + if (_right(node, ancestry, options)) { + for (var i = 0, l = ancestry.length; i < l; ++i) { + if (_left(ancestry[i], ancestry.slice(i + 1), options)) { + return true; + } + } + } + return false; + }; + } + case 'attribute': + { + var _path = selector.name.split('.'); + switch (selector.operator) { + case void 0: + return function (node) { + return getPath(node, _path) != null; + }; + case '=': + switch (selector.value.type) { + case 'regexp': + return function (node) { + var p = getPath(node, _path); + return typeof p === 'string' && selector.value.value.test(p); + }; + case 'literal': + { + var literal = "".concat(selector.value.value); + return function (node) { + return literal === "".concat(getPath(node, _path)); + }; + } + case 'type': + return function (node) { + return selector.value.value === _typeof(getPath(node, _path)); + }; + } + throw new Error("Unknown selector value type: ".concat(selector.value.type)); + case '!=': + switch (selector.value.type) { + case 'regexp': + return function (node) { + return !selector.value.value.test(getPath(node, _path)); + }; + case 'literal': + { + var _literal = "".concat(selector.value.value); + return function (node) { + return _literal !== "".concat(getPath(node, _path)); + }; + } + case 'type': + return function (node) { + return selector.value.value !== _typeof(getPath(node, _path)); + }; + } + throw new Error("Unknown selector value type: ".concat(selector.value.type)); + case '<=': + return function (node) { + return getPath(node, _path) <= selector.value.value; + }; + case '<': + return function (node) { + return getPath(node, _path) < selector.value.value; + }; + case '>': + return function (node) { + return getPath(node, _path) > selector.value.value; + }; + case '>=': + return function (node) { + return getPath(node, _path) >= selector.value.value; + }; + } + throw new Error("Unknown operator: ".concat(selector.operator)); + } + case 'sibling': + { + var _left2 = getMatcher(selector.left); + var _right2 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right2(node, ancestry, options) && sibling(node, _left2, ancestry, LEFT_SIDE, options) || selector.left.subject && _left2(node, ancestry, options) && sibling(node, _right2, ancestry, RIGHT_SIDE, options); + }; + } + case 'adjacent': + { + var _left3 = getMatcher(selector.left); + var _right3 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right3(node, ancestry, options) && adjacent(node, _left3, ancestry, LEFT_SIDE, options) || selector.right.subject && _left3(node, ancestry, options) && adjacent(node, _right3, ancestry, RIGHT_SIDE, options); + }; + } + case 'nth-child': + { + var nth = selector.index.value; + var _right4 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right4(node, ancestry, options) && nthChild(node, ancestry, nth, options); + }; + } + case 'nth-last-child': + { + var _nth = -selector.index.value; + var _right5 = getMatcher(selector.right); + return function (node, ancestry, options) { + return _right5(node, ancestry, options) && nthChild(node, ancestry, _nth, options); + }; + } + case 'class': + { + var name = selector.name.toLowerCase(); + return function (node, ancestry, options) { + if (options && options.matchClass) { + return options.matchClass(selector.name, node, ancestry); + } + if (options && options.nodeTypeKey) return false; + switch (name) { + case 'statement': + if (node.type.slice(-9) === 'Statement') return true; + // fallthrough: interface Declaration <: Statement { } + case 'declaration': + return node.type.slice(-11) === 'Declaration'; + case 'pattern': + if (node.type.slice(-7) === 'Pattern') return true; + // fallthrough: interface Expression <: Node, Pattern { } + case 'expression': + return node.type.slice(-10) === 'Expression' || node.type.slice(-7) === 'Literal' || node.type === 'Identifier' && (ancestry.length === 0 || ancestry[0].type !== 'MetaProperty') || node.type === 'MetaProperty'; + case 'function': + return node.type === 'FunctionDeclaration' || node.type === 'FunctionExpression' || node.type === 'ArrowFunctionExpression'; + } + throw new Error("Unknown class name: ".concat(selector.name)); + }; + } + } + throw new Error("Unknown selector type: ".concat(selector.type)); + } + + /** + * @callback TraverseOptionFallback + * @param {external:AST} node The given node. + * @returns {string[]} An array of visitor keys for the given node. + */ + + /** + * @callback ClassMatcher + * @param {string} className The name of the class to match. + * @param {external:AST} node The node to match against. + * @param {Array} ancestry The ancestry of the node. + * @returns {boolean} True if the node matches the class, false if not. + */ + + /** + * @typedef {object} ESQueryOptions + * @property {string} [nodeTypeKey="type"] By passing `nodeTypeKey`, we can allow other ASTs to use ESQuery. + * @property { { [nodeType: string]: string[] } } [visitorKeys] By passing `visitorKeys` mapping, we can extend the properties of the nodes that traverse the node. + * @property {TraverseOptionFallback} [fallback] By passing `fallback` option, we can control the properties of traversing nodes when encountering unknown nodes. + * @property {ClassMatcher} [matchClass] By passing `matchClass` option, we can customize the interpretation of classes. + */ + + /** + * Given a `node` and its ancestors, determine if `node` is matched + * by `selector`. + * @param {?external:AST} node + * @param {?SelectorAST} selector + * @param {external:AST[]} [ancestry=[]] + * @param {ESQueryOptions} [options] + * @throws {Error} Unknowns (operator, class name, selector type, or + * selector value type) + * @returns {boolean} + */ + function matches(node, selector, ancestry, options) { + if (!selector) { + return true; + } + if (!node) { + return false; + } + if (!ancestry) { + ancestry = []; + } + return getMatcher(selector)(node, ancestry, options); + } + + /** + * Get visitor keys of a given node. + * @param {external:AST} node The AST node to get keys. + * @param {ESQueryOptions|undefined} options + * @returns {string[]} Visitor keys of the node. + */ + function getVisitorKeys(node, options) { + var nodeTypeKey = options && options.nodeTypeKey || 'type'; + var nodeType = node[nodeTypeKey]; + if (options && options.visitorKeys && options.visitorKeys[nodeType]) { + return options.visitorKeys[nodeType]; + } + if (estraverse.VisitorKeys[nodeType]) { + return estraverse.VisitorKeys[nodeType]; + } + if (options && typeof options.fallback === 'function') { + return options.fallback(node); + } + // 'iteration' fallback + return Object.keys(node).filter(function (key) { + return key !== nodeTypeKey; + }); + } + + /** + * Check whether the given value is an ASTNode or not. + * @param {any} node The value to check. + * @param {ESQueryOptions|undefined} options The options to use. + * @returns {boolean} `true` if the value is an ASTNode. + */ + function isNode(node, options) { + var nodeTypeKey = options && options.nodeTypeKey || 'type'; + return node !== null && _typeof(node) === 'object' && typeof node[nodeTypeKey] === 'string'; + } + + /** + * Determines if the given node has a sibling that matches the + * given selector matcher. + * @param {external:AST} node + * @param {SelectorMatcher} matcher + * @param {external:AST[]} ancestry + * @param {Side} side + * @param {ESQueryOptions|undefined} options + * @returns {boolean} + */ + function sibling(node, matcher, ancestry, side, options) { + var _ancestry = _slicedToArray(ancestry, 1), + parent = _ancestry[0]; + if (!parent) { + return false; + } + var keys = getVisitorKeys(parent, options); + for (var i = 0; i < keys.length; ++i) { + var listProp = parent[keys[i]]; + if (Array.isArray(listProp)) { + var startIndex = listProp.indexOf(node); + if (startIndex < 0) { + continue; + } + var lowerBound = void 0, + upperBound = void 0; + if (side === LEFT_SIDE) { + lowerBound = 0; + upperBound = startIndex; + } else { + lowerBound = startIndex + 1; + upperBound = listProp.length; + } + for (var k = lowerBound; k < upperBound; ++k) { + if (isNode(listProp[k], options) && matcher(listProp[k], ancestry, options)) { + return true; + } + } + } + } + return false; + } + + /** + * Determines if the given node has an adjacent sibling that matches + * the given selector matcher. + * @param {external:AST} node + * @param {SelectorMatcher} matcher + * @param {external:AST[]} ancestry + * @param {Side} side + * @param {ESQueryOptions|undefined} options + * @returns {boolean} + */ + function adjacent(node, matcher, ancestry, side, options) { + var _ancestry2 = _slicedToArray(ancestry, 1), + parent = _ancestry2[0]; + if (!parent) { + return false; + } + var keys = getVisitorKeys(parent, options); + for (var i = 0; i < keys.length; ++i) { + var listProp = parent[keys[i]]; + if (Array.isArray(listProp)) { + var idx = listProp.indexOf(node); + if (idx < 0) { + continue; + } + if (side === LEFT_SIDE && idx > 0 && isNode(listProp[idx - 1], options) && matcher(listProp[idx - 1], ancestry, options)) { + return true; + } + if (side === RIGHT_SIDE && idx < listProp.length - 1 && isNode(listProp[idx + 1], options) && matcher(listProp[idx + 1], ancestry, options)) { + return true; + } + } + } + return false; + } + + /** + * Determines if the given node is the `nth` child. + * If `nth` is negative then the position is counted + * from the end of the list of children. + * @param {external:AST} node + * @param {external:AST[]} ancestry + * @param {Integer} nth + * @param {ESQueryOptions|undefined} options + * @returns {boolean} + */ + function nthChild(node, ancestry, nth, options) { + if (nth === 0) { + return false; + } + var _ancestry3 = _slicedToArray(ancestry, 1), + parent = _ancestry3[0]; + if (!parent) { + return false; + } + var keys = getVisitorKeys(parent, options); + for (var i = 0; i < keys.length; ++i) { + var listProp = parent[keys[i]]; + if (Array.isArray(listProp)) { + var idx = nth < 0 ? listProp.length + nth : nth - 1; + if (idx >= 0 && idx < listProp.length && listProp[idx] === node) { + return true; + } + } + } + return false; + } + + /** + * For each selector node marked as a subject, find the portion of the + * selector that the subject must match. + * @param {SelectorAST} selector + * @param {SelectorAST} [ancestor] Defaults to `selector` + * @returns {SelectorAST[]} + */ + function subjects(selector, ancestor) { + if (selector == null || _typeof(selector) != 'object') { + return []; + } + if (ancestor == null) { + ancestor = selector; + } + var results = selector.subject ? [ancestor] : []; + var keys = Object.keys(selector); + for (var i = 0; i < keys.length; ++i) { + var p = keys[i]; + var sel = selector[p]; + results.push.apply(results, _toConsumableArray(subjects(sel, p === 'left' ? sel : ancestor))); + } + return results; + } + + /** + * @callback TraverseVisitor + * @param {?external:AST} node + * @param {?external:AST} parent + * @param {external:AST[]} ancestry + */ + + /** + * From a JS AST and a selector AST, collect all JS AST nodes that + * match the selector. + * @param {external:AST} ast + * @param {?SelectorAST} selector + * @param {TraverseVisitor} visitor + * @param {ESQueryOptions} [options] + * @returns {external:AST[]} + */ + function traverse(ast, selector, visitor, options) { + if (!selector) { + return; + } + var ancestry = []; + var matcher = getMatcher(selector); + var altSubjects = subjects(selector).map(getMatcher); + estraverse.traverse(ast, { + enter: function enter(node, parent) { + if (parent != null) { + ancestry.unshift(parent); + } + if (matcher(node, ancestry, options)) { + if (altSubjects.length) { + for (var i = 0, l = altSubjects.length; i < l; ++i) { + if (altSubjects[i](node, ancestry, options)) { + visitor(node, parent, ancestry); + } + for (var k = 0, m = ancestry.length; k < m; ++k) { + var succeedingAncestry = ancestry.slice(k + 1); + if (altSubjects[i](ancestry[k], succeedingAncestry, options)) { + visitor(ancestry[k], parent, succeedingAncestry); + } + } + } + } else { + visitor(node, parent, ancestry); + } + } + }, + leave: function leave() { + ancestry.shift(); + }, + keys: options && options.visitorKeys, + fallback: options && options.fallback || 'iteration' + }); + } + + /** + * From a JS AST and a selector AST, collect all JS AST nodes that + * match the selector. + * @param {external:AST} ast + * @param {?SelectorAST} selector + * @param {ESQueryOptions} [options] + * @returns {external:AST[]} + */ + function match(ast, selector, options) { + var results = []; + traverse(ast, selector, function (node) { + results.push(node); + }, options); + return results; + } + + /** + * Parse a selector string and return its AST. + * @param {string} selector + * @returns {SelectorAST} + */ + function parse(selector) { + return parser.parse(selector); + } + + /** + * Query the code AST using the selector string. + * @param {external:AST} ast + * @param {string} selector + * @param {ESQueryOptions} [options] + * @returns {external:AST[]} + */ + function query(ast, selector, options) { + return match(ast, parse(selector), options); + } + query.parse = parse; + query.match = match; + query.traverse = traverse; + query.matches = matches; + query.query = query; + + return query; + +}))); diff --git a/module/node_modules/esquery/dist/esquery.lite.min.js b/module/node_modules/esquery/dist/esquery.lite.min.js new file mode 100644 index 000000000..80dd64eec --- /dev/null +++ b/module/node_modules/esquery/dist/esquery.lite.min.js @@ -0,0 +1,2 @@ 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at=c.nextPos,c.result;if(t=at,":nth-last-child("===e.substr(at,16)?(r=":nth-last-child(",at+=16):(r=s,yt(ut)),r!==s)if(At()!==s){if(n=[],G.test(e.charAt(at))?(u=e.charAt(at),at++):(u=s,yt(H)),u!==s)for(;u!==s;)n.push(u),G.test(e.charAt(at))?(u=e.charAt(at),at++):(u=s,yt(H));else n=s;n!==s&&(u=At())!==s?(41===e.charCodeAt(at)?(o=")",at++):(o=s,yt($)),o!==s?(r=St(parseInt(n.join(""),10)),t=r):(at=t,t=s)):(at=t,t=s)}else at=t,t=s;else at=t,t=s;return lt[a]={nextPos:at,result:t},t}())===s&&(t=function(){var t,r,n,u=32*at+31,o=lt[u];return o?(at=o.nextPos,o.result):(t=at,58===e.charCodeAt(at)?(r=":",at++):(r=s,yt(ot)),r!==s&&(n=xt())!==s?t=r={type:"class",name:n}:(at=t,t=s),lt[u]={nextPos:at,result:t},t)}()),lt[r]={nextPos:at,result:t},t)}function jt(){var t,r,n,u,o,a,c,i,l=32*at+15,f=lt[l];if(f)return at=f.nextPos,f.result;if(t=at,(r=xt())!==s){for(n=[],u=at,46===e.charCodeAt(at)?(o=".",at++):(o=s,yt(I)),o!==s&&(a=xt())!==s?u=o=[o,a]:(at=u,u=s);u!==s;)n.push(u),u=at,46===e.charCodeAt(at)?(o=".",at++):(o=s,yt(I)),o!==s&&(a=xt())!==s?u=o=[o,a]:(at=u,u=s);n!==s?(c=r,i=n,t=r=[].concat.apply([c],i).join("")):(at=t,t=s)}else at=t,t=s;return lt[l]={nextPos:at,result:t},t}function Et(t){return{type:"nth-child",index:{type:"literal",value:t}}}function St(t){return{type:"nth-last-child",index:{type:"literal",value:t}}}if((n=i())!==s&&at===e.length)return n;throw n!==s&&at0&&h(t,e,r))&&f(e[0],e.slice(1),r)};case"descendant":var d=i(r.left),A=i(r.right);return function(t,e,r){if(A(t,e,r))for(var n=0,u=e.length;n":return function(t){return s(t,x)>r.value.value};case">=":return function(t){return s(t,x)>=r.value.value}}throw new Error("Unknown operator: ".concat(r.operator));case"sibling":var P=i(r.left),b=i(r.right);return function(t,e,n){return b(t,e,n)&&p(t,P,e,"LEFT_SIDE",n)||r.left.subject&&P(t,e,n)&&p(t,b,e,"RIGHT_SIDE",n)};case"adjacent":var C=i(r.left),w=i(r.right);return function(t,e,n){return w(t,e,n)&&v(t,C,e,"LEFT_SIDE",n)||r.right.subject&&C(t,e,n)&&v(t,w,e,"RIGHT_SIDE",n)};case"nth-child":var j=r.index.value,E=i(r.right);return function(t,e,r){return E(t,e,r)&&y(t,e,j,r)};case"nth-last-child":var S=-r.index.value,k=i(r.right);return function(t,e,r){return k(t,e,r)&&y(t,e,S,r)};case"class":var I=r.name.toLowerCase();return function(t,e,n){if(n&&n.matchClass)return n.matchClass(r.name,t,e);if(n&&n.nodeTypeKey)return!1;switch(I){case"statement":if("Statement"===t.type.slice(-9))return!0;case"declaration":return"Declaration"===t.type.slice(-11);case"pattern":if("Pattern"===t.type.slice(-7))return!0;case"expression":return"Expression"===t.type.slice(-10)||"Literal"===t.type.slice(-7)||"Identifier"===t.type&&(0===e.length||"MetaProperty"!==e[0].type)||"MetaProperty"===t.type;case"function":return"FunctionDeclaration"===t.type||"FunctionExpression"===t.type||"ArrowFunctionExpression"===t.type}throw new Error("Unknown class name: ".concat(r.name))}}throw new Error("Unknown selector type: ".concat(r.type))}function f(e,r){var n=r&&r.nodeTypeKey||"type",u=e[n];return r&&r.visitorKeys&&r.visitorKeys[u]?r.visitorKeys[u]:t.VisitorKeys[u]?t.VisitorKeys[u]:r&&"function"==typeof r.fallback?r.fallback(e):Object.keys(e).filter((function(t){return t!==n}))}function h(t,r){var n=r&&r.nodeTypeKey||"type";return null!==t&&"object"===e(t)&&"string"==typeof t[n]}function p(t,e,n,u,o){var a=r(n,1)[0];if(!a)return!1;for(var s=f(a,o),c=0;c0&&h(i[l-1],o)&&e(i[l-1],n,o))return!0;if("RIGHT_SIDE"===u&&l=0&&i 0) {\n for (i = 1, j = 1; i < descriptions.length; i++) {\n if (descriptions[i - 1] !== descriptions[i]) {\n descriptions[j] = descriptions[i];\n j++;\n }\n }\n descriptions.length = j;\n }\n\n switch (descriptions.length) {\n case 1:\n return descriptions[0];\n\n case 2:\n return descriptions[0] + \" or \" + descriptions[1];\n\n default:\n return descriptions.slice(0, -1).join(\", \")\n + \", or \"\n + descriptions[descriptions.length - 1];\n }\n }\n\n function describeFound(found) {\n return found ? \"\\\"\" + literalEscape(found) + \"\\\"\" : \"end of input\";\n }\n\n return \"Expected \" + describeExpected(expected) + \" but \" + describeFound(found) + \" found.\";\n };\n\n function peg$parse(input, options) {\n options = options !== void 0 ? options : {};\n\n var peg$FAILED = {},\n\n peg$startRuleFunctions = { start: peg$parsestart },\n peg$startRuleFunction = peg$parsestart,\n\n peg$c0 = function(ss) {\n return ss.length === 1 ? ss[0] : { type: 'matches', selectors: ss };\n },\n peg$c1 = function() { return void 0; },\n peg$c2 = \" \",\n peg$c3 = peg$literalExpectation(\" \", false),\n peg$c4 = /^[^ [\\],():#!=><~+.]/,\n peg$c5 = peg$classExpectation([\" \", \"[\", \"]\", \",\", \"(\", \")\", \":\", \"#\", \"!\", \"=\", \">\", \"<\", \"~\", \"+\", \".\"], true, false),\n peg$c6 = function(i) { return i.join(''); },\n peg$c7 = \">\",\n peg$c8 = peg$literalExpectation(\">\", false),\n peg$c9 = function() { return 'child'; },\n peg$c10 = \"~\",\n peg$c11 = peg$literalExpectation(\"~\", false),\n peg$c12 = function() { return 'sibling'; },\n peg$c13 = \"+\",\n peg$c14 = peg$literalExpectation(\"+\", false),\n peg$c15 = function() { return 'adjacent'; },\n peg$c16 = function() { return 'descendant'; },\n peg$c17 = \",\",\n peg$c18 = peg$literalExpectation(\",\", false),\n peg$c19 = function(s, ss) {\n return [s].concat(ss.map(function (s) { return s[3]; }));\n },\n peg$c20 = function(op, s) {\n if (!op) return s;\n return { type: op, left: { type: 'exactNode' }, right: s };\n },\n peg$c21 = function(a, ops) {\n return ops.reduce(function (memo, rhs) {\n return { type: rhs[0], left: memo, right: rhs[1] };\n }, a);\n },\n peg$c22 = \"!\",\n peg$c23 = peg$literalExpectation(\"!\", false),\n peg$c24 = function(subject, as) {\n const b = as.length === 1 ? as[0] : { type: 'compound', selectors: as };\n if(subject) b.subject = true;\n return b;\n },\n peg$c25 = \"*\",\n peg$c26 = peg$literalExpectation(\"*\", false),\n peg$c27 = function(a) { return { type: 'wildcard', value: a }; },\n peg$c28 = \"#\",\n peg$c29 = peg$literalExpectation(\"#\", false),\n peg$c30 = function(i) { return { type: 'identifier', value: i }; },\n peg$c31 = \"[\",\n peg$c32 = peg$literalExpectation(\"[\", false),\n peg$c33 = \"]\",\n peg$c34 = peg$literalExpectation(\"]\", false),\n peg$c35 = function(v) { return v; },\n peg$c36 = /^[>\", \"<\", \"!\"], false, false),\n peg$c38 = \"=\",\n peg$c39 = peg$literalExpectation(\"=\", false),\n peg$c40 = function(a) { return (a || '') + '='; },\n peg$c41 = /^[><]/,\n peg$c42 = peg$classExpectation([\">\", \"<\"], false, false),\n peg$c43 = \".\",\n peg$c44 = peg$literalExpectation(\".\", false),\n peg$c45 = function(a, as) {\n return [].concat.apply([a], as).join('');\n },\n peg$c46 = function(name, op, value) {\n return { type: 'attribute', name: name, operator: op, value: value };\n },\n peg$c47 = function(name) { return { type: 'attribute', name: name }; },\n peg$c48 = \"\\\"\",\n peg$c49 = peg$literalExpectation(\"\\\"\", false),\n peg$c50 = /^[^\\\\\"]/,\n peg$c51 = peg$classExpectation([\"\\\\\", \"\\\"\"], true, false),\n peg$c52 = \"\\\\\",\n peg$c53 = peg$literalExpectation(\"\\\\\", false),\n peg$c54 = peg$anyExpectation(),\n peg$c55 = function(a, b) { return a + b; },\n peg$c56 = function(d) {\n return { type: 'literal', value: strUnescape(d.join('')) };\n },\n peg$c57 = \"'\",\n peg$c58 = peg$literalExpectation(\"'\", false),\n peg$c59 = /^[^\\\\']/,\n peg$c60 = peg$classExpectation([\"\\\\\", \"'\"], true, false),\n peg$c61 = /^[0-9]/,\n peg$c62 = peg$classExpectation([[\"0\", \"9\"]], false, false),\n peg$c63 = function(a, b) {\n // Can use `a.flat().join('')` once supported\n const leadingDecimals = a ? [].concat.apply([], a).join('') : '';\n return { type: 'literal', value: parseFloat(leadingDecimals + b.join('')) };\n },\n peg$c64 = function(i) { return { type: 'literal', value: i }; },\n peg$c65 = \"type(\",\n peg$c66 = peg$literalExpectation(\"type(\", false),\n peg$c67 = /^[^ )]/,\n peg$c68 = peg$classExpectation([\" \", \")\"], true, false),\n peg$c69 = \")\",\n peg$c70 = peg$literalExpectation(\")\", false),\n peg$c71 = function(t) { return { type: 'type', value: t.join('') }; },\n peg$c72 = /^[imsu]/,\n peg$c73 = peg$classExpectation([\"i\", \"m\", \"s\", \"u\"], false, false),\n peg$c74 = \"/\",\n peg$c75 = peg$literalExpectation(\"/\", false),\n peg$c76 = /^[^\\/]/,\n peg$c77 = peg$classExpectation([\"/\"], true, false),\n peg$c78 = function(d, flgs) { return {\n type: 'regexp', value: new RegExp(d.join(''), flgs ? flgs.join('') : '') };\n },\n peg$c79 = function(i, is) {\n return { type: 'field', name: is.reduce(function(memo, p){ return memo + p[0] + p[1]; }, i)};\n },\n peg$c80 = \":not(\",\n peg$c81 = peg$literalExpectation(\":not(\", false),\n peg$c82 = function(ss) { return { type: 'not', selectors: ss }; },\n peg$c83 = \":matches(\",\n peg$c84 = peg$literalExpectation(\":matches(\", false),\n peg$c85 = function(ss) { return { type: 'matches', selectors: ss }; },\n peg$c86 = \":has(\",\n peg$c87 = peg$literalExpectation(\":has(\", false),\n peg$c88 = function(ss) { return { type: 'has', selectors: ss }; },\n peg$c89 = \":first-child\",\n peg$c90 = peg$literalExpectation(\":first-child\", false),\n peg$c91 = function() { return nth(1); },\n peg$c92 = \":last-child\",\n peg$c93 = peg$literalExpectation(\":last-child\", false),\n peg$c94 = function() { return nthLast(1); },\n peg$c95 = \":nth-child(\",\n peg$c96 = peg$literalExpectation(\":nth-child(\", false),\n peg$c97 = function(n) { return nth(parseInt(n.join(''), 10)); },\n peg$c98 = \":nth-last-child(\",\n peg$c99 = peg$literalExpectation(\":nth-last-child(\", false),\n peg$c100 = function(n) { return nthLast(parseInt(n.join(''), 10)); },\n peg$c101 = \":\",\n peg$c102 = peg$literalExpectation(\":\", false),\n peg$c103 = function(c) {\n return { type: 'class', name: c };\n },\n\n peg$currPos = 0,\n peg$savedPos = 0,\n peg$posDetailsCache = [{ line: 1, column: 1 }],\n peg$maxFailPos = 0,\n peg$maxFailExpected = [],\n peg$silentFails = 0,\n\n peg$resultsCache = {},\n\n peg$result;\n\n if (\"startRule\" in options) {\n if (!(options.startRule in peg$startRuleFunctions)) {\n throw new Error(\"Can't start parsing from rule \\\"\" + options.startRule + \"\\\".\");\n }\n\n peg$startRuleFunction = peg$startRuleFunctions[options.startRule];\n }\n\n function text() {\n return input.substring(peg$savedPos, peg$currPos);\n }\n\n function location() {\n return peg$computeLocation(peg$savedPos, peg$currPos);\n }\n\n function expected(description, location) {\n location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos)\n\n throw peg$buildStructuredError(\n [peg$otherExpectation(description)],\n input.substring(peg$savedPos, peg$currPos),\n location\n );\n }\n\n function error(message, location) {\n location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos)\n\n throw peg$buildSimpleError(message, location);\n }\n\n function peg$literalExpectation(text, ignoreCase) {\n return { type: \"literal\", text: text, ignoreCase: ignoreCase };\n }\n\n function peg$classExpectation(parts, inverted, ignoreCase) {\n return { type: \"class\", parts: parts, inverted: inverted, ignoreCase: ignoreCase };\n }\n\n function peg$anyExpectation() {\n return { type: \"any\" };\n }\n\n function peg$endExpectation() {\n return { type: \"end\" };\n }\n\n function peg$otherExpectation(description) {\n return { type: \"other\", description: description };\n }\n\n function peg$computePosDetails(pos) {\n var details = peg$posDetailsCache[pos], p;\n\n if (details) {\n return details;\n } else {\n p = pos - 1;\n while (!peg$posDetailsCache[p]) {\n p--;\n }\n\n details = peg$posDetailsCache[p];\n details = {\n line: details.line,\n column: details.column\n };\n\n while (p < pos) {\n if (input.charCodeAt(p) === 10) {\n details.line++;\n details.column = 1;\n } else {\n details.column++;\n }\n\n p++;\n }\n\n peg$posDetailsCache[pos] = details;\n return details;\n }\n }\n\n function peg$computeLocation(startPos, endPos) {\n var startPosDetails = peg$computePosDetails(startPos),\n endPosDetails = peg$computePosDetails(endPos);\n\n return {\n start: {\n offset: startPos,\n line: startPosDetails.line,\n column: startPosDetails.column\n },\n end: {\n offset: endPos,\n line: endPosDetails.line,\n column: endPosDetails.column\n }\n };\n }\n\n function peg$fail(expected) {\n if (peg$currPos < peg$maxFailPos) { return; }\n\n if (peg$currPos > peg$maxFailPos) {\n peg$maxFailPos = peg$currPos;\n peg$maxFailExpected = [];\n }\n\n peg$maxFailExpected.push(expected);\n }\n\n function peg$buildSimpleError(message, location) {\n return new peg$SyntaxError(message, null, null, location);\n }\n\n function peg$buildStructuredError(expected, found, location) {\n return new peg$SyntaxError(\n peg$SyntaxError.buildMessage(expected, found),\n expected,\n found,\n location\n );\n }\n\n function peg$parsestart() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 0,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n s2 = peg$parseselectors();\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c0(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c1();\n }\n s0 = s1;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parse_() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 1,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = [];\n if (input.charCodeAt(peg$currPos) === 32) {\n s1 = peg$c2;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c3); }\n }\n while (s1 !== peg$FAILED) {\n s0.push(s1);\n if (input.charCodeAt(peg$currPos) === 32) {\n s1 = peg$c2;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c3); }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseidentifierName() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 2,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = [];\n if (peg$c4.test(input.charAt(peg$currPos))) {\n s2 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c5); }\n }\n if (s2 !== peg$FAILED) {\n while (s2 !== peg$FAILED) {\n s1.push(s2);\n if (peg$c4.test(input.charAt(peg$currPos))) {\n s2 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c5); }\n }\n }\n } else {\n s1 = peg$FAILED;\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c6(s1);\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsebinaryOp() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 3,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 62) {\n s2 = peg$c7;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c8); }\n }\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c9();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 126) {\n s2 = peg$c10;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c11); }\n }\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c12();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 43) {\n s2 = peg$c13;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c14); }\n }\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c15();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 32) {\n s1 = peg$c2;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c3); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c16();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsehasSelectors() {\n var s0, s1, s2, s3, s4, s5, s6, s7;\n\n var key = peg$currPos * 32 + 4,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parsehasSelector();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parsehasSelector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parsehasSelector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c19(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseselectors() {\n var s0, s1, s2, s3, s4, s5, s6, s7;\n\n var key = peg$currPos * 32 + 5,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseselector();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parseselector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parseselector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c19(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsehasSelector() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 6,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parsebinaryOp();\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseselector();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c20(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseselector() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 7,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parsesequence();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n s4 = peg$parsebinaryOp();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsesequence();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n s4 = peg$parsebinaryOp();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsesequence();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c21(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsesequence() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 8,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 33) {\n s1 = peg$c22;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c23); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$parseatom();\n if (s3 !== peg$FAILED) {\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$parseatom();\n }\n } else {\n s2 = peg$FAILED;\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c24(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseatom() {\n var s0;\n\n var key = peg$currPos * 32 + 9,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$parsewildcard();\n if (s0 === peg$FAILED) {\n s0 = peg$parseidentifier();\n if (s0 === peg$FAILED) {\n s0 = peg$parseattr();\n if (s0 === peg$FAILED) {\n s0 = peg$parsefield();\n if (s0 === peg$FAILED) {\n s0 = peg$parsenegation();\n if (s0 === peg$FAILED) {\n s0 = peg$parsematches();\n if (s0 === peg$FAILED) {\n s0 = peg$parsehas();\n if (s0 === peg$FAILED) {\n s0 = peg$parsefirstChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parselastChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parsenthChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parsenthLastChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parseclass();\n }\n }\n }\n }\n }\n }\n }\n }\n }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsewildcard() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 10,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 42) {\n s1 = peg$c25;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c26); }\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c27(s1);\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseidentifier() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 11,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 35) {\n s1 = peg$c28;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c29); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseidentifierName();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c30(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattr() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 12,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 91) {\n s1 = peg$c31;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c32); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseattrValue();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 93) {\n s5 = peg$c33;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c34); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c35(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrOps() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 13,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (peg$c36.test(input.charAt(peg$currPos))) {\n s1 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c37); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 61) {\n s2 = peg$c38;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c39); }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c40(s1);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n if (peg$c41.test(input.charAt(peg$currPos))) {\n s0 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s0 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c42); }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrEqOps() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 14,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 33) {\n s1 = peg$c22;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c23); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 61) {\n s2 = peg$c38;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c39); }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c40(s1);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrName() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 15,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseidentifierName();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s4 = peg$c43;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s4 !== peg$FAILED) {\n s5 = peg$parseidentifierName();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s4 = peg$c43;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s4 !== peg$FAILED) {\n s5 = peg$parseidentifierName();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c45(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrValue() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 16,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseattrName();\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseattrEqOps();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsetype();\n if (s5 === peg$FAILED) {\n s5 = peg$parseregex();\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c46(s1, s3, s5);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parseattrName();\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseattrOps();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsestring();\n if (s5 === peg$FAILED) {\n s5 = peg$parsenumber();\n if (s5 === peg$FAILED) {\n s5 = peg$parsepath();\n }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c46(s1, s3, s5);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parseattrName();\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c47(s1);\n }\n s0 = s1;\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsestring() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 17,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 34) {\n s1 = peg$c48;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c49); }\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c50.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c51); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c50.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c51); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 34) {\n s3 = peg$c48;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c49); }\n }\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c56(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 39) {\n s1 = peg$c57;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c58); }\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c59.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c60); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c59.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c60); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 39) {\n s3 = peg$c57;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c58); }\n }\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c56(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenumber() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 18,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$currPos;\n s2 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 46) {\n s3 = peg$c43;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s3 !== peg$FAILED) {\n s2 = [s2, s3];\n s1 = s2;\n } else {\n peg$currPos = s1;\n s1 = peg$FAILED;\n }\n } else {\n peg$currPos = s1;\n s1 = peg$FAILED;\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n if (s3 !== peg$FAILED) {\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n } else {\n s2 = peg$FAILED;\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c63(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsepath() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 19,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseidentifierName();\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c64(s1);\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsetype() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 20,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 5) === peg$c65) {\n s1 = peg$c65;\n peg$currPos += 5;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c66); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = [];\n if (peg$c67.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c68); }\n }\n if (s4 !== peg$FAILED) {\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n if (peg$c67.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c68); }\n }\n }\n } else {\n s3 = peg$FAILED;\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c71(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseflags() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 21,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = [];\n if (peg$c72.test(input.charAt(peg$currPos))) {\n s1 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c73); }\n }\n if (s1 !== peg$FAILED) {\n while (s1 !== peg$FAILED) {\n s0.push(s1);\n if (peg$c72.test(input.charAt(peg$currPos))) {\n s1 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c73); }\n }\n }\n } else {\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseregex() {\n var s0, s1, s2, s3, s4;\n\n var key = peg$currPos * 32 + 22,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 47) {\n s1 = peg$c74;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c75); }\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c76.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c77); }\n }\n if (s3 !== peg$FAILED) {\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c76.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c77); }\n }\n }\n } else {\n s2 = peg$FAILED;\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 47) {\n s3 = peg$c74;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c75); }\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parseflags();\n if (s4 === peg$FAILED) {\n s4 = null;\n }\n if (s4 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c78(s2, s4);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsefield() {\n var s0, s1, s2, s3, s4, s5, s6;\n\n var key = peg$currPos * 32 + 23,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s1 = peg$c43;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseidentifierName();\n if (s2 !== peg$FAILED) {\n s3 = [];\n s4 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s5 = peg$c43;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parseidentifierName();\n if (s6 !== peg$FAILED) {\n s5 = [s5, s6];\n s4 = s5;\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n s4 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s5 = peg$c43;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parseidentifierName();\n if (s6 !== peg$FAILED) {\n s5 = [s5, s6];\n s4 = s5;\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n }\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c79(s2, s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenegation() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 24,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 5) === peg$c80) {\n s1 = peg$c80;\n peg$currPos += 5;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c81); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseselectors();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c82(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsematches() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 25,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 9) === peg$c83) {\n s1 = peg$c83;\n peg$currPos += 9;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c84); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseselectors();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c85(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsehas() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 26,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 5) === peg$c86) {\n s1 = peg$c86;\n peg$currPos += 5;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c87); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parsehasSelectors();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c88(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsefirstChild() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 27,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 12) === peg$c89) {\n s1 = peg$c89;\n peg$currPos += 12;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c90); }\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c91();\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parselastChild() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 28,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 11) === peg$c92) {\n s1 = peg$c92;\n peg$currPos += 11;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c93); }\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c94();\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenthChild() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 29,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 11) === peg$c95) {\n s1 = peg$c95;\n peg$currPos += 11;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c96); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n if (s4 !== peg$FAILED) {\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n } else {\n s3 = peg$FAILED;\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c97(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenthLastChild() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 30,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 16) === peg$c98) {\n s1 = peg$c98;\n peg$currPos += 16;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c99); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n if (s4 !== peg$FAILED) {\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n } else {\n s3 = peg$FAILED;\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c100(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseclass() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 31,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 58) {\n s1 = peg$c101;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c102); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseidentifierName();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c103(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n\n function nth(n) { return { type: 'nth-child', index: { type: 'literal', value: n } }; }\n function nthLast(n) { return { type: 'nth-last-child', index: { type: 'literal', value: n } }; }\n function strUnescape(s) {\n return s.replace(/\\\\(.)/g, function(match, ch) {\n switch(ch) {\n case 'b': return '\\b';\n case 'f': return '\\f';\n case 'n': return '\\n';\n case 'r': return '\\r';\n case 't': return '\\t';\n case 'v': return '\\v';\n default: return ch;\n }\n });\n }\n\n\n peg$result = peg$startRuleFunction();\n\n if (peg$result !== peg$FAILED && peg$currPos === input.length) {\n return peg$result;\n } else {\n if (peg$result !== peg$FAILED && peg$currPos < input.length) {\n peg$fail(peg$endExpectation());\n }\n\n throw peg$buildStructuredError(\n peg$maxFailExpected,\n peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null,\n peg$maxFailPos < input.length\n ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1)\n : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)\n );\n }\n }\n\n return {\n SyntaxError: peg$SyntaxError,\n parse: peg$parse\n };\n});\n","/* vim: set sw=4 sts=4 : */\nimport estraverse from 'estraverse';\nimport parser from './parser.js';\n\n/**\n* @typedef {\"LEFT_SIDE\"|\"RIGHT_SIDE\"} Side\n*/\n\nconst LEFT_SIDE = 'LEFT_SIDE';\nconst RIGHT_SIDE = 'RIGHT_SIDE';\n\n/**\n * @external AST\n * @see https://esprima.readthedocs.io/en/latest/syntax-tree-format.html\n */\n\n/**\n * One of the rules of `grammar.pegjs`\n * @typedef {PlainObject} SelectorAST\n * @see grammar.pegjs\n*/\n\n/**\n * The `sequence` production of `grammar.pegjs`\n * @typedef {PlainObject} SelectorSequenceAST\n*/\n\n/**\n * Get the value of a property which may be multiple levels down\n * in the object.\n * @param {?PlainObject} obj\n * @param {string[]} keys\n * @returns {undefined|boolean|string|number|external:AST}\n */\nfunction getPath(obj, keys) {\n for (let i = 0; i < keys.length; ++i) {\n if (obj == null) { return obj; }\n obj = obj[keys[i]];\n }\n return obj;\n}\n\n/**\n * Determine whether `node` can be reached by following `path`,\n * starting at `ancestor`.\n * @param {?external:AST} node\n * @param {?external:AST} ancestor\n * @param {string[]} path\n * @param {Integer} fromPathIndex\n * @returns {boolean}\n */\nfunction inPath(node, ancestor, path, fromPathIndex) {\n let current = ancestor;\n for (let i = fromPathIndex; i < path.length; ++i) {\n if (current == null) {\n return false;\n }\n const field = current[path[i]];\n if (Array.isArray(field)) {\n for (let k = 0; k < field.length; ++k) {\n if (inPath(node, field[k], path, i + 1)) {\n return true;\n }\n }\n return false;\n }\n current = field;\n }\n return node === current;\n}\n\n/**\n * A generated matcher function for a selector.\n * @callback SelectorMatcher\n * @param {?SelectorAST} selector\n * @param {external:AST[]} [ancestry=[]]\n * @param {ESQueryOptions} [options]\n * @returns {void}\n*/\n\n/**\n * A WeakMap for holding cached matcher functions for selectors.\n * @type {WeakMap}\n*/\nconst MATCHER_CACHE = typeof WeakMap === 'function' ? new WeakMap : null;\n\n/**\n * Look up a matcher function for `selector` in the cache.\n * If it does not exist, generate it with `generateMatcher` and add it to the cache.\n * In engines without WeakMap, the caching is skipped and matchers are generated with every call.\n * @param {?SelectorAST} selector\n * @returns {SelectorMatcher}\n */\nfunction getMatcher(selector) {\n if (selector == null) {\n return () => true;\n }\n\n if (MATCHER_CACHE != null) {\n let matcher = MATCHER_CACHE.get(selector);\n if (matcher != null) {\n return matcher;\n }\n matcher = generateMatcher(selector);\n MATCHER_CACHE.set(selector, matcher);\n return matcher;\n }\n\n return generateMatcher(selector);\n}\n\n/**\n * Create a matcher function for `selector`,\n * @param {?SelectorAST} selector\n * @returns {SelectorMatcher}\n */\nfunction generateMatcher(selector) {\n switch(selector.type) {\n case 'wildcard':\n return () => true;\n\n case 'identifier': {\n const value = selector.value.toLowerCase();\n return (node, ancestry, options) => {\n const nodeTypeKey = (options && options.nodeTypeKey) || 'type';\n return value === node[nodeTypeKey].toLowerCase();\n };\n }\n\n case 'exactNode':\n return (node, ancestry) => {\n return ancestry.length === 0;\n };\n\n case 'field': {\n const path = selector.name.split('.');\n return (node, ancestry) => {\n const ancestor = ancestry[path.length - 1];\n return inPath(node, ancestor, path, 0);\n };\n }\n\n case 'matches': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n for (let i = 0; i < matchers.length; ++i) {\n if (matchers[i](node, ancestry, options)) { return true; }\n }\n return false;\n };\n }\n\n case 'compound': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n for (let i = 0; i < matchers.length; ++i) {\n if (!matchers[i](node, ancestry, options)) { return false; }\n }\n return true;\n };\n }\n\n case 'not': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n for (let i = 0; i < matchers.length; ++i) {\n if (matchers[i](node, ancestry, options)) { return false; }\n }\n return true;\n };\n }\n\n case 'has': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n let result = false;\n\n const a = [];\n estraverse.traverse(node, {\n enter (node, parent) {\n if (parent != null) { a.unshift(parent); }\n\n for (let i = 0; i < matchers.length; ++i) {\n if (matchers[i](node, a, options)) {\n result = true;\n this.break();\n return;\n }\n }\n },\n leave () { a.shift(); },\n keys: options && options.visitorKeys,\n fallback: options && options.fallback || 'iteration'\n });\n\n return result;\n };\n }\n\n case 'child': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) => {\n if (ancestry.length > 0 && right(node, ancestry, options)) {\n return left(ancestry[0], ancestry.slice(1), options);\n }\n return false;\n };\n }\n\n case 'descendant': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) => {\n if (right(node, ancestry, options)) {\n for (let i = 0, l = ancestry.length; i < l; ++i) {\n if (left(ancestry[i], ancestry.slice(i + 1), options)) {\n return true;\n }\n }\n }\n return false;\n };\n }\n\n case 'attribute': {\n const path = selector.name.split('.');\n switch (selector.operator) {\n case void 0:\n return (node) => getPath(node, path) != null;\n case '=':\n switch (selector.value.type) {\n case 'regexp':\n return (node) => {\n const p = getPath(node, path);\n return typeof p === 'string' && selector.value.value.test(p);\n };\n case 'literal': {\n const literal = `${selector.value.value}`;\n return (node) => literal === `${getPath(node, path)}`;\n }\n case 'type':\n return (node) => selector.value.value === typeof getPath(node, path);\n }\n throw new Error(`Unknown selector value type: ${selector.value.type}`);\n case '!=':\n switch (selector.value.type) {\n case 'regexp':\n return (node) => !selector.value.value.test(getPath(node, path));\n case 'literal': {\n const literal = `${selector.value.value}`;\n return (node) => literal !== `${getPath(node, path)}`;\n }\n case 'type':\n return (node) => selector.value.value !== typeof getPath(node, path);\n }\n throw new Error(`Unknown selector value type: ${selector.value.type}`);\n case '<=':\n return (node) => getPath(node, path) <= selector.value.value;\n case '<':\n return (node) => getPath(node, path) < selector.value.value;\n case '>':\n return (node) => getPath(node, path) > selector.value.value;\n case '>=':\n return (node) => getPath(node, path) >= selector.value.value;\n }\n throw new Error(`Unknown operator: ${selector.operator}`);\n }\n\n case 'sibling': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n sibling(node, left, ancestry, LEFT_SIDE, options) ||\n selector.left.subject &&\n left(node, ancestry, options) &&\n sibling(node, right, ancestry, RIGHT_SIDE, options);\n }\n\n case 'adjacent': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n adjacent(node, left, ancestry, LEFT_SIDE, options) ||\n selector.right.subject &&\n left(node, ancestry, options) &&\n adjacent(node, right, ancestry, RIGHT_SIDE, options);\n }\n\n case 'nth-child': {\n const nth = selector.index.value;\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n nthChild(node, ancestry, nth, options);\n }\n\n case 'nth-last-child': {\n const nth = -selector.index.value;\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n nthChild(node, ancestry, nth, options);\n }\n\n case 'class': {\n \n const name = selector.name.toLowerCase();\n\n return (node, ancestry, options) => {\n \n if (options && options.matchClass) {\n return options.matchClass(selector.name, node, ancestry);\n }\n \n if (options && options.nodeTypeKey) return false; \n\n switch(name){\n case 'statement':\n if(node.type.slice(-9) === 'Statement') return true;\n // fallthrough: interface Declaration <: Statement { }\n case 'declaration':\n return node.type.slice(-11) === 'Declaration';\n case 'pattern':\n if(node.type.slice(-7) === 'Pattern') return true;\n // fallthrough: interface Expression <: Node, Pattern { }\n case 'expression':\n return node.type.slice(-10) === 'Expression' ||\n node.type.slice(-7) === 'Literal' ||\n (\n node.type === 'Identifier' &&\n (ancestry.length === 0 || ancestry[0].type !== 'MetaProperty')\n ) ||\n node.type === 'MetaProperty';\n case 'function':\n return node.type === 'FunctionDeclaration' ||\n node.type === 'FunctionExpression' ||\n node.type === 'ArrowFunctionExpression';\n }\n throw new Error(`Unknown class name: ${selector.name}`);\n };\n }\n }\n\n throw new Error(`Unknown selector type: ${selector.type}`);\n}\n\n/**\n * @callback TraverseOptionFallback\n * @param {external:AST} node The given node.\n * @returns {string[]} An array of visitor keys for the given node.\n */\n\n/**\n * @callback ClassMatcher\n * @param {string} className The name of the class to match.\n * @param {external:AST} node The node to match against.\n * @param {Array} ancestry The ancestry of the node.\n * @returns {boolean} True if the node matches the class, false if not.\n */\n\n/**\n * @typedef {object} ESQueryOptions\n * @property {string} [nodeTypeKey=\"type\"] By passing `nodeTypeKey`, we can allow other ASTs to use ESQuery.\n * @property { { [nodeType: string]: string[] } } [visitorKeys] By passing `visitorKeys` mapping, we can extend the properties of the nodes that traverse the node.\n * @property {TraverseOptionFallback} [fallback] By passing `fallback` option, we can control the properties of traversing nodes when encountering unknown nodes.\n * @property {ClassMatcher} [matchClass] By passing `matchClass` option, we can customize the interpretation of classes.\n */\n\n/**\n * Given a `node` and its ancestors, determine if `node` is matched\n * by `selector`.\n * @param {?external:AST} node\n * @param {?SelectorAST} selector\n * @param {external:AST[]} [ancestry=[]]\n * @param {ESQueryOptions} [options]\n * @throws {Error} Unknowns (operator, class name, selector type, or\n * selector value type)\n * @returns {boolean}\n */\nfunction matches(node, selector, ancestry, options) {\n if (!selector) { return true; 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ie=c.nextPos,c.result;for(e=ie,r=ie,n=[],N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W));o!==s;)n.push(o),N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W));if(n!==s?(46===t.charCodeAt(ie)?(o=".",ie++):(o=s,de(D)),o!==s?r=n=[n,o]:(ie=r,r=s)):(ie=r,r=s),r===s&&(r=null),r!==s){if(n=[],N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W)),o!==s)for(;o!==s;)n.push(o),N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W));else n=s;n!==s?(i=n,u=(a=r)?[].concat.apply([],a).join(""):"",r={type:"literal",value:parseFloat(u+i.join(""))},e=r):(ie=e,e=s)}else ie=e,e=s;return ce[l]={nextPos:ie,result:e},e}())===s&&(o=function(){var e,t,r=32*ie+19,n=ce[r];return 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ie=f.nextPos,f.result;if(e=ie,(r=Ee())!==s){for(n=[],o=ie,(a=xe())!==s?(44===t.charCodeAt(ie)?(i=",",ie++):(i=s,de(m)),i!==s&&(u=xe())!==s&&(l=Ee())!==s?o=a=[a,i,u,l]:(ie=o,o=s)):(ie=o,o=s);o!==s;)n.push(o),o=ie,(a=xe())!==s?(44===t.charCodeAt(ie)?(i=",",ie++):(i=s,de(m)),i!==s&&(u=xe())!==s&&(l=Ee())!==s?o=a=[a,i,u,l]:(ie=o,o=s)):(ie=o,o=s);n!==s?e=r=x(r,n):(ie=e,e=s)}else ie=e,e=s;return ce[c]={nextPos:ie,result:e},e}())!==s&&xe()!==s?(41===t.charCodeAt(ie)?(o=")",ie++):(o=s,de(z)),o!==s?e=r={type:"has",selectors:n}:(ie=e,e=s)):(ie=e,e=s),ce[a]={nextPos:ie,result:e},e)}())===s&&(e=function(){var e,r,n=32*ie+27,o=ce[n];return o?(ie=o.nextPos,o.result):(":first-child"===t.substr(ie,12)?(r=":first-child",ie+=12):(r=s,de(te)),r!==s&&(r=we(1)),e=r,ce[n]={nextPos:ie,result:e},e)}())===s&&(e=function(){var e,r,n=32*ie+28,o=ce[n];return o?(ie=o.nextPos,o.result):(":last-child"===t.substr(ie,11)?(r=":last-child",ie+=11):(r=s,de(re)),r!==s&&(r=Pe(1)),e=r,ce[n]={nextPos:ie,result:e},e)}())===s&&(e=function(){var e,r,n,o,a,i=32*ie+29,u=ce[i];if(u)return ie=u.nextPos,u.result;if(e=ie,":nth-child("===t.substr(ie,11)?(r=":nth-child(",ie+=11):(r=s,de(ne)),r!==s)if(xe()!==s){if(n=[],N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W)),o!==s)for(;o!==s;)n.push(o),N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W));else n=s;n!==s&&(o=xe())!==s?(41===t.charCodeAt(ie)?(a=")",ie++):(a=s,de(z)),a!==s?(r=we(parseInt(n.join(""),10)),e=r):(ie=e,e=s)):(ie=e,e=s)}else ie=e,e=s;else ie=e,e=s;return ce[i]={nextPos:ie,result:e},e}())===s&&(e=function(){var e,r,n,o,a,i=32*ie+30,u=ce[i];if(u)return ie=u.nextPos,u.result;if(e=ie,":nth-last-child("===t.substr(ie,16)?(r=":nth-last-child(",ie+=16):(r=s,de(oe)),r!==s)if(xe()!==s){if(n=[],N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W)),o!==s)for(;o!==s;)n.push(o),N.test(t.charAt(ie))?(o=t.charAt(ie),ie++):(o=s,de(W));else n=s;n!==s&&(o=xe())!==s?(41===t.charCodeAt(ie)?(a=")",ie++):(a=s,de(z)),a!==s?(r=Pe(parseInt(n.join(""),10)),e=r):(ie=e,e=s)):(ie=e,e=s)}else ie=e,e=s;else ie=e,e=s;return ce[i]={nextPos:ie,result:e},e}())===s&&(e=function(){var e,r,n,o=32*ie+31,a=ce[o];return a?(ie=a.nextPos,a.result):(e=ie,58===t.charCodeAt(ie)?(r=":",ie++):(r=s,de(ae)),r!==s&&(n=ve())!==s?e=r={type:"class",name:n}:(ie=e,e=s),ce[o]={nextPos:ie,result:e},e)}()),ce[r]={nextPos:ie,result:e},e)}function Ce(){var e,r,n,o,a,i,u,l,c=32*ie+15,f=ce[c];if(f)return ie=f.nextPos,f.result;if(e=ie,(r=ve())!==s){for(n=[],o=ie,46===t.charCodeAt(ie)?(a=".",ie++):(a=s,de(D)),a!==s&&(i=ve())!==s?o=a=[a,i]:(ie=o,o=s);o!==s;)n.push(o),o=ie,46===t.charCodeAt(ie)?(a=".",ie++):(a=s,de(D)),a!==s&&(i=ve())!==s?o=a=[a,i]:(ie=o,o=s);n!==s?(u=r,l=n,e=r=[].concat.apply([u],l).join("")):(ie=e,e=s)}else ie=e,e=s;return ce[c]={nextPos:ie,result:e},e}function we(e){return{type:"nth-child",index:{type:"literal",value:e}}}function Pe(e){return{type:"nth-last-child",index:{type:"literal",value:e}}}if((n=l())!==s&&ie===t.length)return n;throw n!==s&&ie0&&p(e,t,r))&&f(t[0],t.slice(1),r)};case"descendant":var h=c(t.left),x=c(t.right);return function(e,t,r){if(x(e,t,r))for(var n=0,o=t.length;n":return function(e){return u(e,v)>t.value.value};case">=":return function(e){return u(e,v)>=t.value.value}}throw new Error("Unknown operator: ".concat(t.operator));case"sibling":var E=c(t.left),b=c(t.right);return function(e,r,n){return b(e,r,n)&&y(e,E,r,"LEFT_SIDE",n)||t.left.subject&&E(e,r,n)&&y(e,b,r,"RIGHT_SIDE",n)};case"adjacent":var S=c(t.left),_=c(t.right);return function(e,r,n){return _(e,r,n)&&d(e,S,r,"LEFT_SIDE",n)||t.right.subject&&S(e,r,n)&&d(e,_,r,"RIGHT_SIDE",n)};case"nth-child":var C=t.index.value,w=c(t.right);return function(e,t,r){return w(e,t,r)&&m(e,t,C,r)};case"nth-last-child":var P=-t.index.value,k=c(t.right);return function(e,t,r){return k(e,t,r)&&m(e,t,P,r)};case"class":var D=t.name.toLowerCase();return function(e,r,n){if(n&&n.matchClass)return n.matchClass(t.name,e,r);if(n&&n.nodeTypeKey)return!1;switch(D){case"statement":if("Statement"===e.type.slice(-9))return!0;case"declaration":return"Declaration"===e.type.slice(-11);case"pattern":if("Pattern"===e.type.slice(-7))return!0;case"expression":return"Expression"===e.type.slice(-10)||"Literal"===e.type.slice(-7)||"Identifier"===e.type&&(0===r.length||"MetaProperty"!==r[0].type)||"MetaProperty"===e.type;case"function":return"FunctionDeclaration"===e.type||"FunctionExpression"===e.type||"ArrowFunctionExpression"===e.type}throw new Error("Unknown class name: ".concat(t.name))}}throw new Error("Unknown selector type: ".concat(t.type))}function p(e,t){var r=t&&t.nodeTypeKey||"type",n=e[r];return t&&t.visitorKeys&&t.visitorKeys[n]?t.visitorKeys[n]:i.VisitorKeys[n]?i.VisitorKeys[n]:t&&"function"==typeof t.fallback?t.fallback(e):Object.keys(e).filter((function(e){return e!==r}))}function h(t,r){var n=r&&r.nodeTypeKey||"type";return null!==t&&"object"===e(t)&&"string"==typeof t[n]}function y(e,r,n,o,a){var i=t(n,1)[0];if(!i)return!1;for(var s=p(i,a),u=0;u0&&h(l[c-1],a)&&r(l[c-1],n,a))return!0;if("RIGHT_SIDE"===o&&c=0&&l\n Copyright (C) 2012 Ariya Hidayat \n\n Redistribution and use in source and binary forms, with or without\n modification, are permitted provided that the following conditions are met:\n\n * Redistributions of source code must retain the above copyright\n notice, this list of conditions and the following disclaimer.\n * Redistributions in binary form must reproduce the above copyright\n notice, this list of conditions and the following disclaimer in the\n documentation and/or other materials provided with the distribution.\n\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\"\n AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\n IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY\n DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND\n ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\n THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n*/\n/*jslint vars:false, bitwise:true*/\n/*jshint indent:4*/\n/*global exports:true*/\n(function clone(exports) {\n 'use strict';\n\n var Syntax,\n VisitorOption,\n VisitorKeys,\n BREAK,\n SKIP,\n REMOVE;\n\n function deepCopy(obj) {\n var ret = {}, key, val;\n for (key in obj) {\n if (obj.hasOwnProperty(key)) {\n val = obj[key];\n if (typeof val === 'object' && val !== null) {\n ret[key] = deepCopy(val);\n } else {\n ret[key] = val;\n }\n }\n }\n return ret;\n }\n\n // based on LLVM libc++ upper_bound / lower_bound\n // MIT License\n\n function upperBound(array, func) {\n var diff, len, i, current;\n\n len = array.length;\n i = 0;\n\n while (len) {\n diff = len >>> 1;\n current = i + diff;\n if (func(array[current])) {\n len = diff;\n } else {\n i = current + 1;\n len -= diff + 1;\n }\n }\n return i;\n }\n\n Syntax = {\n AssignmentExpression: 'AssignmentExpression',\n AssignmentPattern: 'AssignmentPattern',\n ArrayExpression: 'ArrayExpression',\n ArrayPattern: 'ArrayPattern',\n ArrowFunctionExpression: 'ArrowFunctionExpression',\n AwaitExpression: 'AwaitExpression', // CAUTION: It's deferred to ES7.\n BlockStatement: 'BlockStatement',\n BinaryExpression: 'BinaryExpression',\n BreakStatement: 'BreakStatement',\n CallExpression: 'CallExpression',\n CatchClause: 'CatchClause',\n ChainExpression: 'ChainExpression',\n ClassBody: 'ClassBody',\n ClassDeclaration: 'ClassDeclaration',\n ClassExpression: 'ClassExpression',\n ComprehensionBlock: 'ComprehensionBlock', // CAUTION: It's deferred to ES7.\n ComprehensionExpression: 'ComprehensionExpression', // CAUTION: It's deferred to ES7.\n ConditionalExpression: 'ConditionalExpression',\n ContinueStatement: 'ContinueStatement',\n DebuggerStatement: 'DebuggerStatement',\n DirectiveStatement: 'DirectiveStatement',\n DoWhileStatement: 'DoWhileStatement',\n EmptyStatement: 'EmptyStatement',\n ExportAllDeclaration: 'ExportAllDeclaration',\n ExportDefaultDeclaration: 'ExportDefaultDeclaration',\n ExportNamedDeclaration: 'ExportNamedDeclaration',\n ExportSpecifier: 'ExportSpecifier',\n ExpressionStatement: 'ExpressionStatement',\n ForStatement: 'ForStatement',\n ForInStatement: 'ForInStatement',\n ForOfStatement: 'ForOfStatement',\n FunctionDeclaration: 'FunctionDeclaration',\n FunctionExpression: 'FunctionExpression',\n GeneratorExpression: 'GeneratorExpression', // CAUTION: It's deferred to ES7.\n Identifier: 'Identifier',\n IfStatement: 'IfStatement',\n ImportExpression: 'ImportExpression',\n ImportDeclaration: 'ImportDeclaration',\n ImportDefaultSpecifier: 'ImportDefaultSpecifier',\n ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',\n ImportSpecifier: 'ImportSpecifier',\n Literal: 'Literal',\n LabeledStatement: 'LabeledStatement',\n LogicalExpression: 'LogicalExpression',\n MemberExpression: 'MemberExpression',\n MetaProperty: 'MetaProperty',\n MethodDefinition: 'MethodDefinition',\n ModuleSpecifier: 'ModuleSpecifier',\n NewExpression: 'NewExpression',\n ObjectExpression: 'ObjectExpression',\n ObjectPattern: 'ObjectPattern',\n PrivateIdentifier: 'PrivateIdentifier',\n Program: 'Program',\n Property: 'Property',\n PropertyDefinition: 'PropertyDefinition',\n RestElement: 'RestElement',\n ReturnStatement: 'ReturnStatement',\n SequenceExpression: 'SequenceExpression',\n SpreadElement: 'SpreadElement',\n Super: 'Super',\n SwitchStatement: 'SwitchStatement',\n SwitchCase: 'SwitchCase',\n TaggedTemplateExpression: 'TaggedTemplateExpression',\n TemplateElement: 'TemplateElement',\n TemplateLiteral: 'TemplateLiteral',\n ThisExpression: 'ThisExpression',\n ThrowStatement: 'ThrowStatement',\n TryStatement: 'TryStatement',\n UnaryExpression: 'UnaryExpression',\n UpdateExpression: 'UpdateExpression',\n VariableDeclaration: 'VariableDeclaration',\n VariableDeclarator: 'VariableDeclarator',\n WhileStatement: 'WhileStatement',\n WithStatement: 'WithStatement',\n YieldExpression: 'YieldExpression'\n };\n\n VisitorKeys = {\n AssignmentExpression: ['left', 'right'],\n AssignmentPattern: ['left', 'right'],\n ArrayExpression: ['elements'],\n ArrayPattern: ['elements'],\n ArrowFunctionExpression: ['params', 'body'],\n AwaitExpression: ['argument'], // CAUTION: It's deferred to ES7.\n BlockStatement: ['body'],\n BinaryExpression: ['left', 'right'],\n BreakStatement: ['label'],\n CallExpression: ['callee', 'arguments'],\n CatchClause: ['param', 'body'],\n ChainExpression: ['expression'],\n ClassBody: ['body'],\n ClassDeclaration: ['id', 'superClass', 'body'],\n ClassExpression: ['id', 'superClass', 'body'],\n ComprehensionBlock: ['left', 'right'], // CAUTION: It's deferred to ES7.\n ComprehensionExpression: ['blocks', 'filter', 'body'], // CAUTION: It's deferred to ES7.\n ConditionalExpression: ['test', 'consequent', 'alternate'],\n ContinueStatement: ['label'],\n DebuggerStatement: [],\n DirectiveStatement: [],\n DoWhileStatement: ['body', 'test'],\n EmptyStatement: [],\n ExportAllDeclaration: ['source'],\n ExportDefaultDeclaration: ['declaration'],\n ExportNamedDeclaration: ['declaration', 'specifiers', 'source'],\n ExportSpecifier: ['exported', 'local'],\n ExpressionStatement: ['expression'],\n ForStatement: ['init', 'test', 'update', 'body'],\n ForInStatement: ['left', 'right', 'body'],\n ForOfStatement: ['left', 'right', 'body'],\n FunctionDeclaration: ['id', 'params', 'body'],\n FunctionExpression: ['id', 'params', 'body'],\n GeneratorExpression: ['blocks', 'filter', 'body'], // CAUTION: It's deferred to ES7.\n Identifier: [],\n IfStatement: ['test', 'consequent', 'alternate'],\n ImportExpression: ['source'],\n ImportDeclaration: ['specifiers', 'source'],\n ImportDefaultSpecifier: ['local'],\n ImportNamespaceSpecifier: ['local'],\n ImportSpecifier: ['imported', 'local'],\n Literal: [],\n LabeledStatement: ['label', 'body'],\n LogicalExpression: ['left', 'right'],\n MemberExpression: ['object', 'property'],\n MetaProperty: ['meta', 'property'],\n MethodDefinition: ['key', 'value'],\n ModuleSpecifier: [],\n NewExpression: ['callee', 'arguments'],\n ObjectExpression: ['properties'],\n ObjectPattern: ['properties'],\n PrivateIdentifier: [],\n Program: ['body'],\n Property: ['key', 'value'],\n PropertyDefinition: ['key', 'value'],\n RestElement: [ 'argument' ],\n ReturnStatement: ['argument'],\n SequenceExpression: ['expressions'],\n SpreadElement: ['argument'],\n Super: [],\n SwitchStatement: ['discriminant', 'cases'],\n SwitchCase: ['test', 'consequent'],\n TaggedTemplateExpression: ['tag', 'quasi'],\n TemplateElement: [],\n TemplateLiteral: ['quasis', 'expressions'],\n ThisExpression: [],\n ThrowStatement: ['argument'],\n TryStatement: ['block', 'handler', 'finalizer'],\n UnaryExpression: ['argument'],\n UpdateExpression: ['argument'],\n VariableDeclaration: ['declarations'],\n VariableDeclarator: ['id', 'init'],\n WhileStatement: ['test', 'body'],\n WithStatement: ['object', 'body'],\n YieldExpression: ['argument']\n };\n\n // unique id\n BREAK = {};\n SKIP = {};\n REMOVE = {};\n\n VisitorOption = {\n Break: BREAK,\n Skip: SKIP,\n Remove: REMOVE\n };\n\n function Reference(parent, key) {\n this.parent = parent;\n this.key = key;\n }\n\n Reference.prototype.replace = function replace(node) {\n this.parent[this.key] = node;\n };\n\n Reference.prototype.remove = function remove() {\n if (Array.isArray(this.parent)) {\n this.parent.splice(this.key, 1);\n return true;\n } else {\n this.replace(null);\n return false;\n }\n };\n\n function Element(node, path, wrap, ref) {\n this.node = node;\n this.path = path;\n this.wrap = wrap;\n this.ref = ref;\n }\n\n function Controller() { }\n\n // API:\n // return property path array from root to current node\n Controller.prototype.path = function path() {\n var i, iz, j, jz, result, element;\n\n function addToPath(result, path) {\n if (Array.isArray(path)) {\n for (j = 0, jz = path.length; j < jz; ++j) {\n result.push(path[j]);\n }\n } else {\n result.push(path);\n }\n }\n\n // root node\n if (!this.__current.path) {\n return null;\n }\n\n // first node is sentinel, second node is root element\n result = [];\n for (i = 2, iz = this.__leavelist.length; i < iz; ++i) {\n element = this.__leavelist[i];\n addToPath(result, element.path);\n }\n addToPath(result, this.__current.path);\n return result;\n };\n\n // API:\n // return type of current node\n Controller.prototype.type = function () {\n var node = this.current();\n return node.type || this.__current.wrap;\n };\n\n // API:\n // return array of parent elements\n Controller.prototype.parents = function parents() {\n var i, iz, result;\n\n // first node is sentinel\n result = [];\n for (i = 1, iz = this.__leavelist.length; i < iz; ++i) {\n result.push(this.__leavelist[i].node);\n }\n\n return result;\n };\n\n // API:\n // return current node\n Controller.prototype.current = function current() {\n return this.__current.node;\n };\n\n Controller.prototype.__execute = function __execute(callback, element) {\n var previous, result;\n\n result = undefined;\n\n previous = this.__current;\n this.__current = element;\n this.__state = null;\n if (callback) {\n result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node);\n }\n this.__current = previous;\n\n return result;\n };\n\n // API:\n // notify control skip / break\n Controller.prototype.notify = function notify(flag) {\n this.__state = flag;\n };\n\n // API:\n // skip child nodes of current node\n Controller.prototype.skip = function () {\n this.notify(SKIP);\n };\n\n // API:\n // break traversals\n Controller.prototype['break'] = function () {\n this.notify(BREAK);\n };\n\n // API:\n // remove node\n Controller.prototype.remove = function () {\n this.notify(REMOVE);\n };\n\n Controller.prototype.__initialize = function(root, visitor) {\n this.visitor = visitor;\n this.root = root;\n this.__worklist = [];\n this.__leavelist = [];\n this.__current = null;\n this.__state = null;\n this.__fallback = null;\n if (visitor.fallback === 'iteration') {\n this.__fallback = Object.keys;\n } else if (typeof visitor.fallback === 'function') {\n this.__fallback = visitor.fallback;\n }\n\n this.__keys = VisitorKeys;\n if (visitor.keys) {\n this.__keys = Object.assign(Object.create(this.__keys), visitor.keys);\n }\n };\n\n function isNode(node) {\n if (node == null) {\n return false;\n }\n return typeof node === 'object' && typeof node.type === 'string';\n }\n\n function isProperty(nodeType, key) {\n return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key;\n }\n \n function candidateExistsInLeaveList(leavelist, candidate) {\n for (var i = leavelist.length - 1; i >= 0; --i) {\n if (leavelist[i].node === candidate) {\n return true;\n }\n }\n return false;\n }\n\n Controller.prototype.traverse = function traverse(root, visitor) {\n var worklist,\n leavelist,\n element,\n node,\n nodeType,\n ret,\n key,\n current,\n current2,\n candidates,\n candidate,\n sentinel;\n\n this.__initialize(root, visitor);\n\n sentinel = {};\n\n // reference\n worklist = this.__worklist;\n leavelist = this.__leavelist;\n\n // initialize\n worklist.push(new Element(root, null, null, null));\n leavelist.push(new Element(null, null, null, null));\n\n while (worklist.length) {\n element = worklist.pop();\n\n if (element === sentinel) {\n element = leavelist.pop();\n\n ret = this.__execute(visitor.leave, element);\n\n if (this.__state === BREAK || ret === BREAK) {\n return;\n }\n continue;\n }\n\n if (element.node) {\n\n ret = this.__execute(visitor.enter, element);\n\n if (this.__state === BREAK || ret === BREAK) {\n return;\n }\n\n worklist.push(sentinel);\n leavelist.push(element);\n\n if (this.__state === SKIP || ret === SKIP) {\n continue;\n }\n\n node = element.node;\n nodeType = node.type || element.wrap;\n candidates = this.__keys[nodeType];\n if (!candidates) {\n if (this.__fallback) {\n candidates = this.__fallback(node);\n } else {\n throw new Error('Unknown node type ' + nodeType + '.');\n }\n }\n\n current = candidates.length;\n while ((current -= 1) >= 0) {\n key = candidates[current];\n candidate = node[key];\n if (!candidate) {\n continue;\n }\n\n if (Array.isArray(candidate)) {\n current2 = candidate.length;\n while ((current2 -= 1) >= 0) {\n if (!candidate[current2]) {\n continue;\n }\n\n if (candidateExistsInLeaveList(leavelist, candidate[current2])) {\n continue;\n }\n\n if (isProperty(nodeType, candidates[current])) {\n element = new Element(candidate[current2], [key, current2], 'Property', null);\n } else if (isNode(candidate[current2])) {\n element = new Element(candidate[current2], [key, current2], null, null);\n } else {\n continue;\n }\n worklist.push(element);\n }\n } else if (isNode(candidate)) {\n if (candidateExistsInLeaveList(leavelist, candidate)) {\n continue;\n }\n\n worklist.push(new Element(candidate, key, null, null));\n }\n }\n }\n }\n };\n\n Controller.prototype.replace = function replace(root, visitor) {\n var worklist,\n leavelist,\n node,\n nodeType,\n target,\n element,\n current,\n current2,\n candidates,\n candidate,\n sentinel,\n outer,\n key;\n\n function removeElem(element) {\n var i,\n key,\n nextElem,\n parent;\n\n if (element.ref.remove()) {\n // When the reference is an element of an array.\n key = element.ref.key;\n parent = element.ref.parent;\n\n // If removed from array, then decrease following items' keys.\n i = worklist.length;\n while (i--) {\n nextElem = worklist[i];\n if (nextElem.ref && nextElem.ref.parent === parent) {\n if (nextElem.ref.key < key) {\n break;\n }\n --nextElem.ref.key;\n }\n }\n }\n }\n\n this.__initialize(root, visitor);\n\n sentinel = {};\n\n // reference\n worklist = this.__worklist;\n leavelist = this.__leavelist;\n\n // initialize\n outer = {\n root: root\n };\n element = new Element(root, null, null, new Reference(outer, 'root'));\n worklist.push(element);\n leavelist.push(element);\n\n while (worklist.length) {\n element = worklist.pop();\n\n if (element === sentinel) {\n element = leavelist.pop();\n\n target = this.__execute(visitor.leave, element);\n\n // node may be replaced with null,\n // so distinguish between undefined and null in this place\n if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {\n // replace\n element.ref.replace(target);\n }\n\n if (this.__state === REMOVE || target === REMOVE) {\n removeElem(element);\n }\n\n if (this.__state === BREAK || target === BREAK) {\n return outer.root;\n }\n continue;\n }\n\n target = this.__execute(visitor.enter, element);\n\n // node may be replaced with null,\n // so distinguish between undefined and null in this place\n if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) {\n // replace\n element.ref.replace(target);\n element.node = target;\n }\n\n if (this.__state === REMOVE || target === REMOVE) {\n removeElem(element);\n element.node = null;\n }\n\n if (this.__state === BREAK || target === BREAK) {\n return outer.root;\n }\n\n // node may be null\n node = element.node;\n if (!node) {\n continue;\n }\n\n worklist.push(sentinel);\n leavelist.push(element);\n\n if (this.__state === SKIP || target === SKIP) {\n continue;\n }\n\n nodeType = node.type || element.wrap;\n candidates = this.__keys[nodeType];\n if (!candidates) {\n if (this.__fallback) {\n candidates = this.__fallback(node);\n } else {\n throw new Error('Unknown node type ' + nodeType + '.');\n }\n }\n\n current = candidates.length;\n while ((current -= 1) >= 0) {\n key = candidates[current];\n candidate = node[key];\n if (!candidate) {\n continue;\n }\n\n if (Array.isArray(candidate)) {\n current2 = candidate.length;\n while ((current2 -= 1) >= 0) {\n if (!candidate[current2]) {\n continue;\n }\n if (isProperty(nodeType, candidates[current])) {\n element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2));\n } else if (isNode(candidate[current2])) {\n element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2));\n } else {\n continue;\n }\n worklist.push(element);\n }\n } else if (isNode(candidate)) {\n worklist.push(new Element(candidate, key, null, new Reference(node, key)));\n }\n }\n }\n\n return outer.root;\n };\n\n function traverse(root, visitor) {\n var controller = new Controller();\n return controller.traverse(root, visitor);\n }\n\n function replace(root, visitor) {\n var controller = new Controller();\n return controller.replace(root, visitor);\n }\n\n function extendCommentRange(comment, tokens) {\n var target;\n\n target = upperBound(tokens, function search(token) {\n return token.range[0] > comment.range[0];\n });\n\n comment.extendedRange = [comment.range[0], comment.range[1]];\n\n if (target !== tokens.length) {\n comment.extendedRange[1] = tokens[target].range[0];\n }\n\n target -= 1;\n if (target >= 0) {\n comment.extendedRange[0] = tokens[target].range[1];\n }\n\n return comment;\n }\n\n function attachComments(tree, providedComments, tokens) {\n // At first, we should calculate extended comment ranges.\n var comments = [], comment, len, i, cursor;\n\n if (!tree.range) {\n throw new Error('attachComments needs range information');\n }\n\n // tokens array is empty, we attach comments to tree as 'leadingComments'\n if (!tokens.length) {\n if (providedComments.length) {\n for (i = 0, len = providedComments.length; i < len; i += 1) {\n comment = deepCopy(providedComments[i]);\n comment.extendedRange = [0, tree.range[0]];\n comments.push(comment);\n }\n tree.leadingComments = comments;\n }\n return tree;\n }\n\n for (i = 0, len = providedComments.length; i < len; i += 1) {\n comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens));\n }\n\n // This is based on John Freeman's implementation.\n cursor = 0;\n traverse(tree, {\n enter: function (node) {\n var comment;\n\n while (cursor < comments.length) {\n comment = comments[cursor];\n if (comment.extendedRange[1] > node.range[0]) {\n break;\n }\n\n if (comment.extendedRange[1] === node.range[0]) {\n if (!node.leadingComments) {\n node.leadingComments = [];\n }\n node.leadingComments.push(comment);\n comments.splice(cursor, 1);\n } else {\n cursor += 1;\n }\n }\n\n // already out of owned node\n if (cursor === comments.length) {\n return VisitorOption.Break;\n }\n\n if (comments[cursor].extendedRange[0] > node.range[1]) {\n return VisitorOption.Skip;\n }\n }\n });\n\n cursor = 0;\n traverse(tree, {\n leave: function (node) {\n var comment;\n\n while (cursor < comments.length) {\n comment = comments[cursor];\n if (node.range[1] < comment.extendedRange[0]) {\n break;\n }\n\n if (node.range[1] === comment.extendedRange[0]) {\n if (!node.trailingComments) {\n node.trailingComments = [];\n }\n node.trailingComments.push(comment);\n comments.splice(cursor, 1);\n } else {\n cursor += 1;\n }\n }\n\n // already out of owned node\n if (cursor === comments.length) {\n return VisitorOption.Break;\n }\n\n if (comments[cursor].extendedRange[0] > node.range[1]) {\n return VisitorOption.Skip;\n }\n }\n });\n\n return tree;\n }\n\n exports.Syntax = Syntax;\n exports.traverse = traverse;\n exports.replace = replace;\n exports.attachComments = attachComments;\n exports.VisitorKeys = VisitorKeys;\n exports.VisitorOption = VisitorOption;\n exports.Controller = Controller;\n exports.cloneEnvironment = function () { return clone({}); };\n\n return exports;\n}(exports));\n/* vim: set sw=4 ts=4 et tw=80 : */\n","/*\n * Generated by PEG.js 0.10.0.\n *\n * http://pegjs.org/\n */\n(function(root, factory) {\n if (typeof define === \"function\" && define.amd) {\n define([], factory);\n } else if (typeof module === \"object\" && module.exports) {\n module.exports = factory();\n }\n})(this, function() {\n \"use strict\";\n\n function peg$subclass(child, parent) {\n function ctor() { this.constructor = child; }\n ctor.prototype = parent.prototype;\n child.prototype = new ctor();\n }\n\n function peg$SyntaxError(message, expected, found, location) {\n this.message = message;\n this.expected = expected;\n this.found = found;\n this.location = location;\n this.name = \"SyntaxError\";\n\n if (typeof Error.captureStackTrace === \"function\") {\n Error.captureStackTrace(this, peg$SyntaxError);\n }\n }\n\n peg$subclass(peg$SyntaxError, Error);\n\n peg$SyntaxError.buildMessage = function(expected, found) {\n var DESCRIBE_EXPECTATION_FNS = {\n literal: function(expectation) {\n return \"\\\"\" + literalEscape(expectation.text) + \"\\\"\";\n },\n\n \"class\": function(expectation) {\n var escapedParts = \"\",\n i;\n\n for (i = 0; i < expectation.parts.length; i++) {\n escapedParts += expectation.parts[i] instanceof Array\n ? classEscape(expectation.parts[i][0]) + \"-\" + classEscape(expectation.parts[i][1])\n : classEscape(expectation.parts[i]);\n }\n\n return \"[\" + (expectation.inverted ? \"^\" : \"\") + escapedParts + \"]\";\n },\n\n any: function(expectation) {\n return \"any character\";\n },\n\n end: function(expectation) {\n return \"end of input\";\n },\n\n other: function(expectation) {\n return expectation.description;\n }\n };\n\n function hex(ch) {\n return ch.charCodeAt(0).toString(16).toUpperCase();\n }\n\n function literalEscape(s) {\n return s\n .replace(/\\\\/g, '\\\\\\\\')\n .replace(/\"/g, '\\\\\"')\n .replace(/\\0/g, '\\\\0')\n .replace(/\\t/g, '\\\\t')\n .replace(/\\n/g, '\\\\n')\n .replace(/\\r/g, '\\\\r')\n .replace(/[\\x00-\\x0F]/g, function(ch) { return '\\\\x0' + hex(ch); })\n .replace(/[\\x10-\\x1F\\x7F-\\x9F]/g, function(ch) { return '\\\\x' + hex(ch); });\n }\n\n function classEscape(s) {\n return s\n .replace(/\\\\/g, '\\\\\\\\')\n .replace(/\\]/g, '\\\\]')\n .replace(/\\^/g, '\\\\^')\n .replace(/-/g, '\\\\-')\n .replace(/\\0/g, '\\\\0')\n .replace(/\\t/g, '\\\\t')\n .replace(/\\n/g, '\\\\n')\n .replace(/\\r/g, '\\\\r')\n .replace(/[\\x00-\\x0F]/g, function(ch) { return '\\\\x0' + hex(ch); })\n .replace(/[\\x10-\\x1F\\x7F-\\x9F]/g, function(ch) { return '\\\\x' + hex(ch); });\n }\n\n function describeExpectation(expectation) {\n return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation);\n }\n\n function describeExpected(expected) {\n var descriptions = new Array(expected.length),\n i, j;\n\n for (i = 0; i < expected.length; i++) {\n descriptions[i] = describeExpectation(expected[i]);\n }\n\n descriptions.sort();\n\n if (descriptions.length > 0) {\n for (i = 1, j = 1; i < descriptions.length; i++) {\n if (descriptions[i - 1] !== descriptions[i]) {\n descriptions[j] = descriptions[i];\n j++;\n }\n }\n descriptions.length = j;\n }\n\n switch (descriptions.length) {\n case 1:\n return descriptions[0];\n\n case 2:\n return descriptions[0] + \" or \" + descriptions[1];\n\n default:\n return descriptions.slice(0, -1).join(\", \")\n + \", or \"\n + descriptions[descriptions.length - 1];\n }\n }\n\n function describeFound(found) {\n return found ? \"\\\"\" + literalEscape(found) + \"\\\"\" : \"end of input\";\n }\n\n return \"Expected \" + describeExpected(expected) + \" but \" + describeFound(found) + \" found.\";\n };\n\n function peg$parse(input, options) {\n options = options !== void 0 ? options : {};\n\n var peg$FAILED = {},\n\n peg$startRuleFunctions = { start: peg$parsestart },\n peg$startRuleFunction = peg$parsestart,\n\n peg$c0 = function(ss) {\n return ss.length === 1 ? ss[0] : { type: 'matches', selectors: ss };\n },\n peg$c1 = function() { return void 0; },\n peg$c2 = \" \",\n peg$c3 = peg$literalExpectation(\" \", false),\n peg$c4 = /^[^ [\\],():#!=><~+.]/,\n peg$c5 = peg$classExpectation([\" \", \"[\", \"]\", \",\", \"(\", \")\", \":\", \"#\", \"!\", \"=\", \">\", \"<\", \"~\", \"+\", \".\"], true, false),\n peg$c6 = function(i) { return i.join(''); },\n peg$c7 = \">\",\n peg$c8 = peg$literalExpectation(\">\", false),\n peg$c9 = function() { return 'child'; },\n peg$c10 = \"~\",\n peg$c11 = peg$literalExpectation(\"~\", false),\n peg$c12 = function() { return 'sibling'; },\n peg$c13 = \"+\",\n peg$c14 = peg$literalExpectation(\"+\", false),\n peg$c15 = function() { return 'adjacent'; },\n peg$c16 = function() { return 'descendant'; },\n peg$c17 = \",\",\n peg$c18 = peg$literalExpectation(\",\", false),\n peg$c19 = function(s, ss) {\n return [s].concat(ss.map(function (s) { return s[3]; }));\n },\n peg$c20 = function(op, s) {\n if (!op) return s;\n return { type: op, left: { type: 'exactNode' }, right: s };\n },\n peg$c21 = function(a, ops) {\n return ops.reduce(function (memo, rhs) {\n return { type: rhs[0], left: memo, right: rhs[1] };\n }, a);\n },\n peg$c22 = \"!\",\n peg$c23 = peg$literalExpectation(\"!\", false),\n peg$c24 = function(subject, as) {\n const b = as.length === 1 ? as[0] : { type: 'compound', selectors: as };\n if(subject) b.subject = true;\n return b;\n },\n peg$c25 = \"*\",\n peg$c26 = peg$literalExpectation(\"*\", false),\n peg$c27 = function(a) { return { type: 'wildcard', value: a }; },\n peg$c28 = \"#\",\n peg$c29 = peg$literalExpectation(\"#\", false),\n peg$c30 = function(i) { return { type: 'identifier', value: i }; },\n peg$c31 = \"[\",\n peg$c32 = peg$literalExpectation(\"[\", false),\n peg$c33 = \"]\",\n peg$c34 = peg$literalExpectation(\"]\", false),\n peg$c35 = function(v) { return v; },\n peg$c36 = /^[>\", \"<\", \"!\"], false, false),\n peg$c38 = \"=\",\n peg$c39 = peg$literalExpectation(\"=\", false),\n peg$c40 = function(a) { return (a || '') + '='; },\n peg$c41 = /^[><]/,\n peg$c42 = peg$classExpectation([\">\", \"<\"], false, false),\n peg$c43 = \".\",\n peg$c44 = peg$literalExpectation(\".\", false),\n peg$c45 = function(a, as) {\n return [].concat.apply([a], as).join('');\n },\n peg$c46 = function(name, op, value) {\n return { type: 'attribute', name: name, operator: op, value: value };\n },\n peg$c47 = function(name) { return { type: 'attribute', name: name }; },\n peg$c48 = \"\\\"\",\n peg$c49 = peg$literalExpectation(\"\\\"\", false),\n peg$c50 = /^[^\\\\\"]/,\n peg$c51 = peg$classExpectation([\"\\\\\", \"\\\"\"], true, false),\n peg$c52 = \"\\\\\",\n peg$c53 = peg$literalExpectation(\"\\\\\", false),\n peg$c54 = peg$anyExpectation(),\n peg$c55 = function(a, b) { return a + b; },\n peg$c56 = function(d) {\n return { type: 'literal', value: strUnescape(d.join('')) };\n },\n peg$c57 = \"'\",\n peg$c58 = peg$literalExpectation(\"'\", false),\n peg$c59 = /^[^\\\\']/,\n peg$c60 = peg$classExpectation([\"\\\\\", \"'\"], true, false),\n peg$c61 = /^[0-9]/,\n peg$c62 = peg$classExpectation([[\"0\", \"9\"]], false, false),\n peg$c63 = function(a, b) {\n // Can use `a.flat().join('')` once supported\n const leadingDecimals = a ? [].concat.apply([], a).join('') : '';\n return { type: 'literal', value: parseFloat(leadingDecimals + b.join('')) };\n },\n peg$c64 = function(i) { return { type: 'literal', value: i }; },\n peg$c65 = \"type(\",\n peg$c66 = peg$literalExpectation(\"type(\", false),\n peg$c67 = /^[^ )]/,\n peg$c68 = peg$classExpectation([\" \", \")\"], true, false),\n peg$c69 = \")\",\n peg$c70 = peg$literalExpectation(\")\", false),\n peg$c71 = function(t) { return { type: 'type', value: t.join('') }; },\n peg$c72 = /^[imsu]/,\n peg$c73 = peg$classExpectation([\"i\", \"m\", \"s\", \"u\"], false, false),\n peg$c74 = \"/\",\n peg$c75 = peg$literalExpectation(\"/\", false),\n peg$c76 = /^[^\\/]/,\n peg$c77 = peg$classExpectation([\"/\"], true, false),\n peg$c78 = function(d, flgs) { return {\n type: 'regexp', value: new RegExp(d.join(''), flgs ? flgs.join('') : '') };\n },\n peg$c79 = function(i, is) {\n return { type: 'field', name: is.reduce(function(memo, p){ return memo + p[0] + p[1]; }, i)};\n },\n peg$c80 = \":not(\",\n peg$c81 = peg$literalExpectation(\":not(\", false),\n peg$c82 = function(ss) { return { type: 'not', selectors: ss }; },\n peg$c83 = \":matches(\",\n peg$c84 = peg$literalExpectation(\":matches(\", false),\n peg$c85 = function(ss) { return { type: 'matches', selectors: ss }; },\n peg$c86 = \":has(\",\n peg$c87 = peg$literalExpectation(\":has(\", false),\n peg$c88 = function(ss) { return { type: 'has', selectors: ss }; },\n peg$c89 = \":first-child\",\n peg$c90 = peg$literalExpectation(\":first-child\", false),\n peg$c91 = function() { return nth(1); },\n peg$c92 = \":last-child\",\n peg$c93 = peg$literalExpectation(\":last-child\", false),\n peg$c94 = function() { return nthLast(1); },\n peg$c95 = \":nth-child(\",\n peg$c96 = peg$literalExpectation(\":nth-child(\", false),\n peg$c97 = function(n) { return nth(parseInt(n.join(''), 10)); },\n peg$c98 = \":nth-last-child(\",\n peg$c99 = peg$literalExpectation(\":nth-last-child(\", false),\n peg$c100 = function(n) { return nthLast(parseInt(n.join(''), 10)); },\n peg$c101 = \":\",\n peg$c102 = peg$literalExpectation(\":\", false),\n peg$c103 = function(c) {\n return { type: 'class', name: c };\n },\n\n peg$currPos = 0,\n peg$savedPos = 0,\n peg$posDetailsCache = [{ line: 1, column: 1 }],\n peg$maxFailPos = 0,\n peg$maxFailExpected = [],\n peg$silentFails = 0,\n\n peg$resultsCache = {},\n\n peg$result;\n\n if (\"startRule\" in options) {\n if (!(options.startRule in peg$startRuleFunctions)) {\n throw new Error(\"Can't start parsing from rule \\\"\" + options.startRule + \"\\\".\");\n }\n\n peg$startRuleFunction = peg$startRuleFunctions[options.startRule];\n }\n\n function text() {\n return input.substring(peg$savedPos, peg$currPos);\n }\n\n function location() {\n return peg$computeLocation(peg$savedPos, peg$currPos);\n }\n\n function expected(description, location) {\n location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos)\n\n throw peg$buildStructuredError(\n [peg$otherExpectation(description)],\n input.substring(peg$savedPos, peg$currPos),\n location\n );\n }\n\n function error(message, location) {\n location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos)\n\n throw peg$buildSimpleError(message, location);\n }\n\n function peg$literalExpectation(text, ignoreCase) {\n return { type: \"literal\", text: text, ignoreCase: ignoreCase };\n }\n\n function peg$classExpectation(parts, inverted, ignoreCase) {\n return { type: \"class\", parts: parts, inverted: inverted, ignoreCase: ignoreCase };\n }\n\n function peg$anyExpectation() {\n return { type: \"any\" };\n }\n\n function peg$endExpectation() {\n return { type: \"end\" };\n }\n\n function peg$otherExpectation(description) {\n return { type: \"other\", description: description };\n }\n\n function peg$computePosDetails(pos) {\n var details = peg$posDetailsCache[pos], p;\n\n if (details) {\n return details;\n } else {\n p = pos - 1;\n while (!peg$posDetailsCache[p]) {\n p--;\n }\n\n details = peg$posDetailsCache[p];\n details = {\n line: details.line,\n column: details.column\n };\n\n while (p < pos) {\n if (input.charCodeAt(p) === 10) {\n details.line++;\n details.column = 1;\n } else {\n details.column++;\n }\n\n p++;\n }\n\n peg$posDetailsCache[pos] = details;\n return details;\n }\n }\n\n function peg$computeLocation(startPos, endPos) {\n var startPosDetails = peg$computePosDetails(startPos),\n endPosDetails = peg$computePosDetails(endPos);\n\n return {\n start: {\n offset: startPos,\n line: startPosDetails.line,\n column: startPosDetails.column\n },\n end: {\n offset: endPos,\n line: endPosDetails.line,\n column: endPosDetails.column\n }\n };\n }\n\n function peg$fail(expected) {\n if (peg$currPos < peg$maxFailPos) { return; }\n\n if (peg$currPos > peg$maxFailPos) {\n peg$maxFailPos = peg$currPos;\n peg$maxFailExpected = [];\n }\n\n peg$maxFailExpected.push(expected);\n }\n\n function peg$buildSimpleError(message, location) {\n return new peg$SyntaxError(message, null, null, location);\n }\n\n function peg$buildStructuredError(expected, found, location) {\n return new peg$SyntaxError(\n peg$SyntaxError.buildMessage(expected, found),\n expected,\n found,\n location\n );\n }\n\n function peg$parsestart() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 0,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n s2 = peg$parseselectors();\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c0(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c1();\n }\n s0 = s1;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parse_() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 1,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = [];\n if (input.charCodeAt(peg$currPos) === 32) {\n s1 = peg$c2;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c3); }\n }\n while (s1 !== peg$FAILED) {\n s0.push(s1);\n if (input.charCodeAt(peg$currPos) === 32) {\n s1 = peg$c2;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c3); }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseidentifierName() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 2,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = [];\n if (peg$c4.test(input.charAt(peg$currPos))) {\n s2 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c5); }\n }\n if (s2 !== peg$FAILED) {\n while (s2 !== peg$FAILED) {\n s1.push(s2);\n if (peg$c4.test(input.charAt(peg$currPos))) {\n s2 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c5); }\n }\n }\n } else {\n s1 = peg$FAILED;\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c6(s1);\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsebinaryOp() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 3,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 62) {\n s2 = peg$c7;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c8); }\n }\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c9();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 126) {\n s2 = peg$c10;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c11); }\n }\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c12();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parse_();\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 43) {\n s2 = peg$c13;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c14); }\n }\n if (s2 !== peg$FAILED) {\n s3 = peg$parse_();\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c15();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 32) {\n s1 = peg$c2;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c3); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c16();\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsehasSelectors() {\n var s0, s1, s2, s3, s4, s5, s6, s7;\n\n var key = peg$currPos * 32 + 4,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parsehasSelector();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parsehasSelector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parsehasSelector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c19(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseselectors() {\n var s0, s1, s2, s3, s4, s5, s6, s7;\n\n var key = peg$currPos * 32 + 5,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseselector();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parseselector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 44) {\n s5 = peg$c17;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c18); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parse_();\n if (s6 !== peg$FAILED) {\n s7 = peg$parseselector();\n if (s7 !== peg$FAILED) {\n s4 = [s4, s5, s6, s7];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c19(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsehasSelector() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 6,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parsebinaryOp();\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseselector();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c20(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseselector() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 7,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parsesequence();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n s4 = peg$parsebinaryOp();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsesequence();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n s4 = peg$parsebinaryOp();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsesequence();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c21(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsesequence() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 8,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 33) {\n s1 = peg$c22;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c23); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$parseatom();\n if (s3 !== peg$FAILED) {\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$parseatom();\n }\n } else {\n s2 = peg$FAILED;\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c24(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseatom() {\n var s0;\n\n var key = peg$currPos * 32 + 9,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$parsewildcard();\n if (s0 === peg$FAILED) {\n s0 = peg$parseidentifier();\n if (s0 === peg$FAILED) {\n s0 = peg$parseattr();\n if (s0 === peg$FAILED) {\n s0 = peg$parsefield();\n if (s0 === peg$FAILED) {\n s0 = peg$parsenegation();\n if (s0 === peg$FAILED) {\n s0 = peg$parsematches();\n if (s0 === peg$FAILED) {\n s0 = peg$parsehas();\n if (s0 === peg$FAILED) {\n s0 = peg$parsefirstChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parselastChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parsenthChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parsenthLastChild();\n if (s0 === peg$FAILED) {\n s0 = peg$parseclass();\n }\n }\n }\n }\n }\n }\n }\n }\n }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsewildcard() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 10,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 42) {\n s1 = peg$c25;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c26); }\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c27(s1);\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseidentifier() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 11,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 35) {\n s1 = peg$c28;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c29); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseidentifierName();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c30(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattr() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 12,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 91) {\n s1 = peg$c31;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c32); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseattrValue();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 93) {\n s5 = peg$c33;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c34); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c35(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrOps() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 13,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (peg$c36.test(input.charAt(peg$currPos))) {\n s1 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c37); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 61) {\n s2 = peg$c38;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c39); }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c40(s1);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n if (peg$c41.test(input.charAt(peg$currPos))) {\n s0 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s0 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c42); }\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrEqOps() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 14,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 33) {\n s1 = peg$c22;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c23); }\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 61) {\n s2 = peg$c38;\n peg$currPos++;\n } else {\n s2 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c39); }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c40(s1);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrName() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 15,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseidentifierName();\n if (s1 !== peg$FAILED) {\n s2 = [];\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s4 = peg$c43;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s4 !== peg$FAILED) {\n s5 = peg$parseidentifierName();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s4 = peg$c43;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s4 !== peg$FAILED) {\n s5 = peg$parseidentifierName();\n if (s5 !== peg$FAILED) {\n s4 = [s4, s5];\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c45(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseattrValue() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 16,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseattrName();\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseattrEqOps();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsetype();\n if (s5 === peg$FAILED) {\n s5 = peg$parseregex();\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c46(s1, s3, s5);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parseattrName();\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseattrOps();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n s5 = peg$parsestring();\n if (s5 === peg$FAILED) {\n s5 = peg$parsenumber();\n if (s5 === peg$FAILED) {\n s5 = peg$parsepath();\n }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c46(s1, s3, s5);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n s1 = peg$parseattrName();\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c47(s1);\n }\n s0 = s1;\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsestring() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 17,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 34) {\n s1 = peg$c48;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c49); }\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c50.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c51); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c50.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c51); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 34) {\n s3 = peg$c48;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c49); }\n }\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c56(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n if (s0 === peg$FAILED) {\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 39) {\n s1 = peg$c57;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c58); }\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c59.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c60); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c59.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c60); }\n }\n if (s3 === peg$FAILED) {\n s3 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 92) {\n s4 = peg$c52;\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c53); }\n }\n if (s4 !== peg$FAILED) {\n if (input.length > peg$currPos) {\n s5 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c54); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s3;\n s4 = peg$c55(s4, s5);\n s3 = s4;\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n } else {\n peg$currPos = s3;\n s3 = peg$FAILED;\n }\n }\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 39) {\n s3 = peg$c57;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c58); }\n }\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c56(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenumber() {\n var s0, s1, s2, s3;\n\n var key = peg$currPos * 32 + 18,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$currPos;\n s2 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 46) {\n s3 = peg$c43;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s3 !== peg$FAILED) {\n s2 = [s2, s3];\n s1 = s2;\n } else {\n peg$currPos = s1;\n s1 = peg$FAILED;\n }\n } else {\n peg$currPos = s1;\n s1 = peg$FAILED;\n }\n if (s1 === peg$FAILED) {\n s1 = null;\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n if (s3 !== peg$FAILED) {\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n } else {\n s2 = peg$FAILED;\n }\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c63(s1, s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsepath() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 19,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n s1 = peg$parseidentifierName();\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c64(s1);\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsetype() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 20,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 5) === peg$c65) {\n s1 = peg$c65;\n peg$currPos += 5;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c66); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = [];\n if (peg$c67.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c68); }\n }\n if (s4 !== peg$FAILED) {\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n if (peg$c67.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c68); }\n }\n }\n } else {\n s3 = peg$FAILED;\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c71(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseflags() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 21,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = [];\n if (peg$c72.test(input.charAt(peg$currPos))) {\n s1 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c73); }\n }\n if (s1 !== peg$FAILED) {\n while (s1 !== peg$FAILED) {\n s0.push(s1);\n if (peg$c72.test(input.charAt(peg$currPos))) {\n s1 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c73); }\n }\n }\n } else {\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseregex() {\n var s0, s1, s2, s3, s4;\n\n var key = peg$currPos * 32 + 22,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 47) {\n s1 = peg$c74;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c75); }\n }\n if (s1 !== peg$FAILED) {\n s2 = [];\n if (peg$c76.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c77); }\n }\n if (s3 !== peg$FAILED) {\n while (s3 !== peg$FAILED) {\n s2.push(s3);\n if (peg$c76.test(input.charAt(peg$currPos))) {\n s3 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c77); }\n }\n }\n } else {\n s2 = peg$FAILED;\n }\n if (s2 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 47) {\n s3 = peg$c74;\n peg$currPos++;\n } else {\n s3 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c75); }\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parseflags();\n if (s4 === peg$FAILED) {\n s4 = null;\n }\n if (s4 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c78(s2, s4);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsefield() {\n var s0, s1, s2, s3, s4, s5, s6;\n\n var key = peg$currPos * 32 + 23,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s1 = peg$c43;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseidentifierName();\n if (s2 !== peg$FAILED) {\n s3 = [];\n s4 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s5 = peg$c43;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parseidentifierName();\n if (s6 !== peg$FAILED) {\n s5 = [s5, s6];\n s4 = s5;\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n s4 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 46) {\n s5 = peg$c43;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c44); }\n }\n if (s5 !== peg$FAILED) {\n s6 = peg$parseidentifierName();\n if (s6 !== peg$FAILED) {\n s5 = [s5, s6];\n s4 = s5;\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n } else {\n peg$currPos = s4;\n s4 = peg$FAILED;\n }\n }\n if (s3 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c79(s2, s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenegation() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 24,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 5) === peg$c80) {\n s1 = peg$c80;\n peg$currPos += 5;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c81); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseselectors();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c82(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsematches() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 25,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 9) === peg$c83) {\n s1 = peg$c83;\n peg$currPos += 9;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c84); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parseselectors();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c85(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsehas() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 26,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 5) === peg$c86) {\n s1 = peg$c86;\n peg$currPos += 5;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c87); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = peg$parsehasSelectors();\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c88(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsefirstChild() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 27,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 12) === peg$c89) {\n s1 = peg$c89;\n peg$currPos += 12;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c90); }\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c91();\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parselastChild() {\n var s0, s1;\n\n var key = peg$currPos * 32 + 28,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 11) === peg$c92) {\n s1 = peg$c92;\n peg$currPos += 11;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c93); }\n }\n if (s1 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c94();\n }\n s0 = s1;\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenthChild() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 29,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 11) === peg$c95) {\n s1 = peg$c95;\n peg$currPos += 11;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c96); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n if (s4 !== peg$FAILED) {\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n } else {\n s3 = peg$FAILED;\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c97(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parsenthLastChild() {\n var s0, s1, s2, s3, s4, s5;\n\n var key = peg$currPos * 32 + 30,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.substr(peg$currPos, 16) === peg$c98) {\n s1 = peg$c98;\n peg$currPos += 16;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c99); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parse_();\n if (s2 !== peg$FAILED) {\n s3 = [];\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n if (s4 !== peg$FAILED) {\n while (s4 !== peg$FAILED) {\n s3.push(s4);\n if (peg$c61.test(input.charAt(peg$currPos))) {\n s4 = input.charAt(peg$currPos);\n peg$currPos++;\n } else {\n s4 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c62); }\n }\n }\n } else {\n s3 = peg$FAILED;\n }\n if (s3 !== peg$FAILED) {\n s4 = peg$parse_();\n if (s4 !== peg$FAILED) {\n if (input.charCodeAt(peg$currPos) === 41) {\n s5 = peg$c69;\n peg$currPos++;\n } else {\n s5 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c70); }\n }\n if (s5 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c100(s3);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n function peg$parseclass() {\n var s0, s1, s2;\n\n var key = peg$currPos * 32 + 31,\n cached = peg$resultsCache[key];\n\n if (cached) {\n peg$currPos = cached.nextPos;\n\n return cached.result;\n }\n\n s0 = peg$currPos;\n if (input.charCodeAt(peg$currPos) === 58) {\n s1 = peg$c101;\n peg$currPos++;\n } else {\n s1 = peg$FAILED;\n if (peg$silentFails === 0) { peg$fail(peg$c102); }\n }\n if (s1 !== peg$FAILED) {\n s2 = peg$parseidentifierName();\n if (s2 !== peg$FAILED) {\n peg$savedPos = s0;\n s1 = peg$c103(s2);\n s0 = s1;\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n } else {\n peg$currPos = s0;\n s0 = peg$FAILED;\n }\n\n peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 };\n\n return s0;\n }\n\n\n function nth(n) { return { type: 'nth-child', index: { type: 'literal', value: n } }; }\n function nthLast(n) { return { type: 'nth-last-child', index: { type: 'literal', value: n } }; }\n function strUnescape(s) {\n return s.replace(/\\\\(.)/g, function(match, ch) {\n switch(ch) {\n case 'b': return '\\b';\n case 'f': return '\\f';\n case 'n': return '\\n';\n case 'r': return '\\r';\n case 't': return '\\t';\n case 'v': return '\\v';\n default: return ch;\n }\n });\n }\n\n\n peg$result = peg$startRuleFunction();\n\n if (peg$result !== peg$FAILED && peg$currPos === input.length) {\n return peg$result;\n } else {\n if (peg$result !== peg$FAILED && peg$currPos < input.length) {\n peg$fail(peg$endExpectation());\n }\n\n throw peg$buildStructuredError(\n peg$maxFailExpected,\n peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null,\n peg$maxFailPos < input.length\n ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1)\n : peg$computeLocation(peg$maxFailPos, peg$maxFailPos)\n );\n }\n }\n\n return {\n SyntaxError: peg$SyntaxError,\n parse: peg$parse\n };\n});\n","/* vim: set sw=4 sts=4 : */\nimport estraverse from 'estraverse';\nimport parser from './parser.js';\n\n/**\n* @typedef {\"LEFT_SIDE\"|\"RIGHT_SIDE\"} Side\n*/\n\nconst LEFT_SIDE = 'LEFT_SIDE';\nconst RIGHT_SIDE = 'RIGHT_SIDE';\n\n/**\n * @external AST\n * @see https://esprima.readthedocs.io/en/latest/syntax-tree-format.html\n */\n\n/**\n * One of the rules of `grammar.pegjs`\n * @typedef {PlainObject} SelectorAST\n * @see grammar.pegjs\n*/\n\n/**\n * The `sequence` production of `grammar.pegjs`\n * @typedef {PlainObject} SelectorSequenceAST\n*/\n\n/**\n * Get the value of a property which may be multiple levels down\n * in the object.\n * @param {?PlainObject} obj\n * @param {string[]} keys\n * @returns {undefined|boolean|string|number|external:AST}\n */\nfunction getPath(obj, keys) {\n for (let i = 0; i < keys.length; ++i) {\n if (obj == null) { return obj; }\n obj = obj[keys[i]];\n }\n return obj;\n}\n\n/**\n * Determine whether `node` can be reached by following `path`,\n * starting at `ancestor`.\n * @param {?external:AST} node\n * @param {?external:AST} ancestor\n * @param {string[]} path\n * @param {Integer} fromPathIndex\n * @returns {boolean}\n */\nfunction inPath(node, ancestor, path, fromPathIndex) {\n let current = ancestor;\n for (let i = fromPathIndex; i < path.length; ++i) {\n if (current == null) {\n return false;\n }\n const field = current[path[i]];\n if (Array.isArray(field)) {\n for (let k = 0; k < field.length; ++k) {\n if (inPath(node, field[k], path, i + 1)) {\n return true;\n }\n }\n return false;\n }\n current = field;\n }\n return node === current;\n}\n\n/**\n * A generated matcher function for a selector.\n * @callback SelectorMatcher\n * @param {?SelectorAST} selector\n * @param {external:AST[]} [ancestry=[]]\n * @param {ESQueryOptions} [options]\n * @returns {void}\n*/\n\n/**\n * A WeakMap for holding cached matcher functions for selectors.\n * @type {WeakMap}\n*/\nconst MATCHER_CACHE = typeof WeakMap === 'function' ? new WeakMap : null;\n\n/**\n * Look up a matcher function for `selector` in the cache.\n * If it does not exist, generate it with `generateMatcher` and add it to the cache.\n * In engines without WeakMap, the caching is skipped and matchers are generated with every call.\n * @param {?SelectorAST} selector\n * @returns {SelectorMatcher}\n */\nfunction getMatcher(selector) {\n if (selector == null) {\n return () => true;\n }\n\n if (MATCHER_CACHE != null) {\n let matcher = MATCHER_CACHE.get(selector);\n if (matcher != null) {\n return matcher;\n }\n matcher = generateMatcher(selector);\n MATCHER_CACHE.set(selector, matcher);\n return matcher;\n }\n\n return generateMatcher(selector);\n}\n\n/**\n * Create a matcher function for `selector`,\n * @param {?SelectorAST} selector\n * @returns {SelectorMatcher}\n */\nfunction generateMatcher(selector) {\n switch(selector.type) {\n case 'wildcard':\n return () => true;\n\n case 'identifier': {\n const value = selector.value.toLowerCase();\n return (node, ancestry, options) => {\n const nodeTypeKey = (options && options.nodeTypeKey) || 'type';\n return value === node[nodeTypeKey].toLowerCase();\n };\n }\n\n case 'exactNode':\n return (node, ancestry) => {\n return ancestry.length === 0;\n };\n\n case 'field': {\n const path = selector.name.split('.');\n return (node, ancestry) => {\n const ancestor = ancestry[path.length - 1];\n return inPath(node, ancestor, path, 0);\n };\n }\n\n case 'matches': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n for (let i = 0; i < matchers.length; ++i) {\n if (matchers[i](node, ancestry, options)) { return true; }\n }\n return false;\n };\n }\n\n case 'compound': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n for (let i = 0; i < matchers.length; ++i) {\n if (!matchers[i](node, ancestry, options)) { return false; }\n }\n return true;\n };\n }\n\n case 'not': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n for (let i = 0; i < matchers.length; ++i) {\n if (matchers[i](node, ancestry, options)) { return false; }\n }\n return true;\n };\n }\n\n case 'has': {\n const matchers = selector.selectors.map(getMatcher);\n return (node, ancestry, options) => {\n let result = false;\n\n const a = [];\n estraverse.traverse(node, {\n enter (node, parent) {\n if (parent != null) { a.unshift(parent); }\n\n for (let i = 0; i < matchers.length; ++i) {\n if (matchers[i](node, a, options)) {\n result = true;\n this.break();\n return;\n }\n }\n },\n leave () { a.shift(); },\n keys: options && options.visitorKeys,\n fallback: options && options.fallback || 'iteration'\n });\n\n return result;\n };\n }\n\n case 'child': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) => {\n if (ancestry.length > 0 && right(node, ancestry, options)) {\n return left(ancestry[0], ancestry.slice(1), options);\n }\n return false;\n };\n }\n\n case 'descendant': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) => {\n if (right(node, ancestry, options)) {\n for (let i = 0, l = ancestry.length; i < l; ++i) {\n if (left(ancestry[i], ancestry.slice(i + 1), options)) {\n return true;\n }\n }\n }\n return false;\n };\n }\n\n case 'attribute': {\n const path = selector.name.split('.');\n switch (selector.operator) {\n case void 0:\n return (node) => getPath(node, path) != null;\n case '=':\n switch (selector.value.type) {\n case 'regexp':\n return (node) => {\n const p = getPath(node, path);\n return typeof p === 'string' && selector.value.value.test(p);\n };\n case 'literal': {\n const literal = `${selector.value.value}`;\n return (node) => literal === `${getPath(node, path)}`;\n }\n case 'type':\n return (node) => selector.value.value === typeof getPath(node, path);\n }\n throw new Error(`Unknown selector value type: ${selector.value.type}`);\n case '!=':\n switch (selector.value.type) {\n case 'regexp':\n return (node) => !selector.value.value.test(getPath(node, path));\n case 'literal': {\n const literal = `${selector.value.value}`;\n return (node) => literal !== `${getPath(node, path)}`;\n }\n case 'type':\n return (node) => selector.value.value !== typeof getPath(node, path);\n }\n throw new Error(`Unknown selector value type: ${selector.value.type}`);\n case '<=':\n return (node) => getPath(node, path) <= selector.value.value;\n case '<':\n return (node) => getPath(node, path) < selector.value.value;\n case '>':\n return (node) => getPath(node, path) > selector.value.value;\n case '>=':\n return (node) => getPath(node, path) >= selector.value.value;\n }\n throw new Error(`Unknown operator: ${selector.operator}`);\n }\n\n case 'sibling': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n sibling(node, left, ancestry, LEFT_SIDE, options) ||\n selector.left.subject &&\n left(node, ancestry, options) &&\n sibling(node, right, ancestry, RIGHT_SIDE, options);\n }\n\n case 'adjacent': {\n const left = getMatcher(selector.left);\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n adjacent(node, left, ancestry, LEFT_SIDE, options) ||\n selector.right.subject &&\n left(node, ancestry, options) &&\n adjacent(node, right, ancestry, RIGHT_SIDE, options);\n }\n\n case 'nth-child': {\n const nth = selector.index.value;\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n nthChild(node, ancestry, nth, options);\n }\n\n case 'nth-last-child': {\n const nth = -selector.index.value;\n const right = getMatcher(selector.right);\n return (node, ancestry, options) =>\n right(node, ancestry, options) &&\n nthChild(node, ancestry, nth, options);\n }\n\n case 'class': {\n \n const name = selector.name.toLowerCase();\n\n return (node, ancestry, options) => {\n \n if (options && options.matchClass) {\n return options.matchClass(selector.name, node, ancestry);\n }\n \n if (options && options.nodeTypeKey) return false; \n\n switch(name){\n case 'statement':\n if(node.type.slice(-9) === 'Statement') return true;\n // fallthrough: interface Declaration <: Statement { }\n case 'declaration':\n return node.type.slice(-11) === 'Declaration';\n case 'pattern':\n if(node.type.slice(-7) === 'Pattern') return true;\n // fallthrough: interface Expression <: Node, Pattern { }\n case 'expression':\n return node.type.slice(-10) === 'Expression' ||\n node.type.slice(-7) === 'Literal' ||\n (\n node.type === 'Identifier' &&\n (ancestry.length === 0 || ancestry[0].type !== 'MetaProperty')\n ) ||\n node.type === 'MetaProperty';\n case 'function':\n return node.type === 'FunctionDeclaration' ||\n node.type === 'FunctionExpression' ||\n node.type === 'ArrowFunctionExpression';\n }\n throw new Error(`Unknown class name: ${selector.name}`);\n };\n }\n }\n\n throw new Error(`Unknown selector type: ${selector.type}`);\n}\n\n/**\n * @callback TraverseOptionFallback\n * @param {external:AST} node The given node.\n * @returns {string[]} An array of visitor keys for the given node.\n */\n\n/**\n * @callback ClassMatcher\n * @param {string} className The name of the class to match.\n * @param {external:AST} node The node to match against.\n * @param {Array} ancestry The ancestry of the node.\n * @returns {boolean} True if the node matches the class, false if not.\n */\n\n/**\n * @typedef {object} ESQueryOptions\n * @property {string} [nodeTypeKey=\"type\"] By passing `nodeTypeKey`, we can allow other ASTs to use ESQuery.\n * @property { { [nodeType: string]: string[] } } [visitorKeys] By passing `visitorKeys` mapping, we can extend the properties of the nodes that traverse the node.\n * @property {TraverseOptionFallback} [fallback] By passing `fallback` option, we can control the properties of traversing nodes when encountering unknown nodes.\n * @property {ClassMatcher} [matchClass] By passing `matchClass` option, we can customize the interpretation of classes.\n */\n\n/**\n * Given a `node` and its ancestors, determine if `node` is matched\n * by `selector`.\n * @param {?external:AST} node\n * @param {?SelectorAST} selector\n * @param {external:AST[]} [ancestry=[]]\n * @param {ESQueryOptions} [options]\n * @throws {Error} Unknowns (operator, class name, selector type, or\n * selector value type)\n * @returns {boolean}\n */\nfunction matches(node, selector, ancestry, options) {\n if (!selector) { return true; }\n if (!node) { return false; }\n if (!ancestry) { ancestry = []; }\n\n return getMatcher(selector)(node, ancestry, options);\n}\n\n/**\n * Get visitor keys of a given node.\n * @param {external:AST} node The AST node to get keys.\n * @param {ESQueryOptions|undefined} options\n * @returns {string[]} Visitor keys of the node.\n */\nfunction getVisitorKeys(node, options) {\n const nodeTypeKey = (options && options.nodeTypeKey) || 'type';\n\n const nodeType = node[nodeTypeKey];\n if (options && options.visitorKeys && options.visitorKeys[nodeType]) {\n return options.visitorKeys[nodeType];\n }\n if (estraverse.VisitorKeys[nodeType]) {\n return estraverse.VisitorKeys[nodeType];\n }\n if (options && typeof options.fallback === 'function') {\n return options.fallback(node);\n }\n // 'iteration' fallback\n return Object.keys(node).filter(function (key) {\n return key !== nodeTypeKey;\n });\n}\n\n\n/**\n * Check whether the given value is an ASTNode or not.\n * @param {any} node The value to check.\n * @param {ESQueryOptions|undefined} options The options to use.\n * @returns {boolean} `true` if the value is an ASTNode.\n */\nfunction isNode(node, options) {\n const nodeTypeKey = (options && options.nodeTypeKey) || 'type';\n return node !== null && typeof node === 'object' && typeof node[nodeTypeKey] === 'string';\n}\n\n/**\n * Determines if the given node has a sibling that matches the\n * given selector matcher.\n * @param {external:AST} node\n * @param {SelectorMatcher} matcher\n * @param {external:AST[]} ancestry\n * @param {Side} side\n * @param {ESQueryOptions|undefined} options\n * @returns {boolean}\n */\nfunction sibling(node, matcher, ancestry, side, options) {\n const [parent] = ancestry;\n if (!parent) { return false; }\n const keys = getVisitorKeys(parent, options);\n for (let i = 0; i < keys.length; ++i) {\n const listProp = parent[keys[i]];\n if (Array.isArray(listProp)) {\n const startIndex = listProp.indexOf(node);\n if (startIndex < 0) { continue; }\n let lowerBound, upperBound;\n if (side === LEFT_SIDE) {\n lowerBound = 0;\n upperBound = startIndex;\n } else {\n lowerBound = startIndex + 1;\n upperBound = listProp.length;\n }\n for (let k = lowerBound; k < upperBound; ++k) {\n if (isNode(listProp[k], options) && matcher(listProp[k], ancestry, options)) {\n return true;\n }\n }\n }\n }\n return false;\n}\n\n/**\n * Determines if the given node has an adjacent sibling that matches\n * the given selector matcher.\n * @param {external:AST} node\n * @param {SelectorMatcher} matcher\n * @param {external:AST[]} ancestry\n * @param {Side} side\n * @param {ESQueryOptions|undefined} options\n * @returns {boolean}\n */\nfunction adjacent(node, matcher, ancestry, side, options) {\n const [parent] = ancestry;\n if (!parent) { return false; }\n const keys = getVisitorKeys(parent, options);\n for (let i = 0; i < keys.length; ++i) {\n const listProp = parent[keys[i]];\n if (Array.isArray(listProp)) {\n const idx = listProp.indexOf(node);\n if (idx < 0) { continue; }\n if (side === LEFT_SIDE && idx > 0 && isNode(listProp[idx - 1], options) && matcher(listProp[idx - 1], ancestry, options)) {\n return true;\n }\n if (side === RIGHT_SIDE && idx < listProp.length - 1 && isNode(listProp[idx + 1], options) && matcher(listProp[idx + 1], ancestry, options)) {\n return true;\n }\n }\n }\n return false;\n}\n\n/**\n * Determines if the given node is the `nth` child.\n * If `nth` is negative then the position is counted\n * from the end of the list of children.\n * @param {external:AST} node\n * @param {external:AST[]} ancestry\n * @param {Integer} nth\n * @param {ESQueryOptions|undefined} options\n * @returns {boolean}\n */\nfunction nthChild(node, ancestry, nth, options) {\n if (nth === 0) { return false; }\n const [parent] = ancestry;\n if (!parent) { return false; }\n const keys = getVisitorKeys(parent, options);\n for (let i = 0; i < keys.length; ++i) {\n const listProp = parent[keys[i]];\n if (Array.isArray(listProp)){\n const idx = nth < 0 ? listProp.length + nth : nth - 1;\n if (idx >= 0 && idx < listProp.length && listProp[idx] === node) {\n return true;\n }\n }\n }\n return false;\n}\n\n/**\n * For each selector node marked as a subject, find the portion of the\n * selector that the subject must match.\n * @param {SelectorAST} selector\n * @param {SelectorAST} [ancestor] Defaults to `selector`\n * @returns {SelectorAST[]}\n */\nfunction subjects(selector, ancestor) {\n if (selector == null || typeof selector != 'object') { return []; }\n if (ancestor == null) { ancestor = selector; }\n const results = selector.subject ? [ancestor] : [];\n const keys = Object.keys(selector);\n for (let i = 0; i < keys.length; ++i) {\n const p = keys[i];\n const sel = selector[p];\n results.push(...subjects(sel, p === 'left' ? sel : ancestor));\n }\n return results;\n}\n\n/**\n* @callback TraverseVisitor\n* @param {?external:AST} node\n* @param {?external:AST} parent\n* @param {external:AST[]} ancestry\n*/\n\n/**\n * From a JS AST and a selector AST, collect all JS AST nodes that\n * match the selector.\n * @param {external:AST} ast\n * @param {?SelectorAST} selector\n * @param {TraverseVisitor} visitor\n * @param {ESQueryOptions} [options]\n * @returns {external:AST[]}\n */\nfunction traverse(ast, selector, visitor, options) {\n if (!selector) { return; }\n const ancestry = [];\n const matcher = getMatcher(selector);\n const altSubjects = subjects(selector).map(getMatcher);\n estraverse.traverse(ast, {\n enter (node, parent) {\n if (parent != null) { ancestry.unshift(parent); }\n if (matcher(node, ancestry, options)) {\n if (altSubjects.length) {\n for (let i = 0, l = altSubjects.length; i < l; ++i) {\n if (altSubjects[i](node, ancestry, options)) {\n visitor(node, parent, ancestry);\n }\n for (let k = 0, m = ancestry.length; k < m; ++k) {\n const succeedingAncestry = ancestry.slice(k + 1);\n if (altSubjects[i](ancestry[k], succeedingAncestry, options)) {\n visitor(ancestry[k], parent, succeedingAncestry);\n }\n }\n }\n } else {\n visitor(node, parent, ancestry);\n }\n }\n },\n leave () { ancestry.shift(); },\n keys: options && options.visitorKeys,\n fallback: options && options.fallback || 'iteration'\n });\n}\n\n\n/**\n * From a JS AST and a selector AST, collect all JS AST nodes that\n * match the selector.\n * @param {external:AST} ast\n * @param {?SelectorAST} selector\n * @param {ESQueryOptions} [options]\n * @returns {external:AST[]}\n */\nfunction match(ast, selector, options) {\n const results = [];\n traverse(ast, selector, function (node) {\n results.push(node);\n }, options);\n return results;\n}\n\n/**\n * Parse a selector string and return its AST.\n * @param {string} selector\n * @returns {SelectorAST}\n */\nfunction parse(selector) {\n return parser.parse(selector);\n}\n\n/**\n * Query the code AST using the selector string.\n * @param {external:AST} ast\n * @param {string} selector\n * @param {ESQueryOptions} [options]\n * @returns {external:AST[]}\n */\nfunction query(ast, selector, options) {\n return match(ast, parse(selector), options);\n}\n\nquery.parse = parse;\nquery.match = match;\nquery.traverse = traverse;\nquery.matches = matches;\nquery.query = query;\n\nexport default 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\ No newline at end of file diff --git a/module/node_modules/esquery/license.txt b/module/node_modules/esquery/license.txt new file mode 100644 index 000000000..52f915e26 --- /dev/null +++ b/module/node_modules/esquery/license.txt @@ -0,0 +1,24 @@ +Copyright (c) 2013, Joel Feenstra +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + * Neither the name of the ESQuery nor the names of its contributors may + be used to endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL JOEL FEENSTRA BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/module/node_modules/esquery/package.json b/module/node_modules/esquery/package.json new file mode 100644 index 000000000..5e314b3af --- /dev/null +++ b/module/node_modules/esquery/package.json @@ -0,0 +1,78 @@ +{ + "name": "esquery", + "version": "1.6.0", + "author": "Joel Feenstra ", + "contributors": [], + "description": "A query library for ECMAScript AST using a CSS selector like query language.", + "main": "dist/esquery.min.js", + "module": "dist/esquery.esm.min.js", + "files": [ + "dist/*.js", + "dist/*.map", + "parser.js", + "license.txt", + "README.md" + ], + "nyc": { + "branches": 100, + "lines": 100, + "functions": 100, + "statements": 100, + "reporter": [ + "html", + "text" + ], + "exclude": [ + "parser.js", + "dist", + "tests" + ] + }, + "scripts": { + "prepublishOnly": "npm run build && npm test", + "build:parser": "rm parser.js && pegjs --cache --format umd -o \"parser.js\" \"grammar.pegjs\"", + "build:browser": "rollup -c", + "build": "npm run build:parser && npm run build:browser", + "mocha": "mocha --require chai/register-assert --require @babel/register tests", + "test": "nyc npm run mocha && npm run lint", + "test:ci": "npm run mocha", + "lint": "eslint ." + }, + "repository": { + "type": "git", + "url": "https://github.com/estools/esquery.git" + }, + "bugs": "https://github.com/estools/esquery/issues", + "homepage": "https://github.com/estools/esquery/", + "keywords": [ + "ast", + "ecmascript", + "javascript", + "query" + ], + "devDependencies": { + "@babel/core": "^7.9.0", + "@babel/preset-env": "^7.9.5", + "@babel/register": "^7.9.0", + "@rollup/plugin-commonjs": "^11.1.0", + "@rollup/plugin-json": "^4.0.2", + "@rollup/plugin-node-resolve": "^7.1.3", + "babel-plugin-transform-es2017-object-entries": "0.0.5", + "chai": "4.2.0", + "eslint": "^6.8.0", + "esprima": "~4.0.1", + "mocha": "7.1.1", + "nyc": "^15.0.1", + "pegjs": "~0.10.0", + "rollup": "^1.32.1", + "rollup-plugin-babel": "^4.4.0", + "rollup-plugin-terser": "^5.3.0" + }, + "license": "BSD-3-Clause", + "engines": { + "node": ">=0.10" + }, + "dependencies": { + "estraverse": "^5.1.0" + } +} diff --git a/module/node_modules/esquery/parser.js b/module/node_modules/esquery/parser.js new file mode 100644 index 000000000..eac0a0098 --- /dev/null +++ b/module/node_modules/esquery/parser.js @@ -0,0 +1,2694 @@ +/* + * Generated by PEG.js 0.10.0. + * + * http://pegjs.org/ + */ +(function(root, factory) { + if (typeof define === "function" && define.amd) { + define([], factory); + } else if (typeof module === "object" && module.exports) { + module.exports = factory(); + } +})(this, function() { + "use strict"; + + function peg$subclass(child, parent) { + function ctor() { this.constructor = child; } + ctor.prototype = parent.prototype; + child.prototype = new ctor(); + } + + function peg$SyntaxError(message, expected, found, location) { + this.message = message; + this.expected = expected; + this.found = found; + this.location = location; + this.name = "SyntaxError"; + + if (typeof Error.captureStackTrace === "function") { + Error.captureStackTrace(this, peg$SyntaxError); + } + } + + peg$subclass(peg$SyntaxError, Error); + + peg$SyntaxError.buildMessage = function(expected, found) { + var DESCRIBE_EXPECTATION_FNS = { + literal: function(expectation) { + return "\"" + literalEscape(expectation.text) + "\""; + }, + + "class": function(expectation) { + var escapedParts = "", + i; + + for (i = 0; i < expectation.parts.length; i++) { + escapedParts += expectation.parts[i] instanceof Array + ? classEscape(expectation.parts[i][0]) + "-" + classEscape(expectation.parts[i][1]) + : classEscape(expectation.parts[i]); + } + + return "[" + (expectation.inverted ? "^" : "") + escapedParts + "]"; + }, + + any: function(expectation) { + return "any character"; + }, + + end: function(expectation) { + return "end of input"; + }, + + other: function(expectation) { + return expectation.description; + } + }; + + function hex(ch) { + return ch.charCodeAt(0).toString(16).toUpperCase(); + } + + function literalEscape(s) { + return s + .replace(/\\/g, '\\\\') + .replace(/"/g, '\\"') + .replace(/\0/g, '\\0') + .replace(/\t/g, '\\t') + .replace(/\n/g, '\\n') + .replace(/\r/g, '\\r') + .replace(/[\x00-\x0F]/g, function(ch) { return '\\x0' + hex(ch); }) + .replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return '\\x' + hex(ch); }); + } + + function classEscape(s) { + return s + .replace(/\\/g, '\\\\') + .replace(/\]/g, '\\]') + .replace(/\^/g, '\\^') + .replace(/-/g, '\\-') + .replace(/\0/g, '\\0') + .replace(/\t/g, '\\t') + .replace(/\n/g, '\\n') + .replace(/\r/g, '\\r') + .replace(/[\x00-\x0F]/g, function(ch) { return '\\x0' + hex(ch); }) + .replace(/[\x10-\x1F\x7F-\x9F]/g, function(ch) { return '\\x' + hex(ch); }); + } + + function describeExpectation(expectation) { + return DESCRIBE_EXPECTATION_FNS[expectation.type](expectation); + } + + function describeExpected(expected) { + var descriptions = new Array(expected.length), + i, j; + + for (i = 0; i < expected.length; i++) { + descriptions[i] = describeExpectation(expected[i]); + } + + descriptions.sort(); + + if (descriptions.length > 0) { + for (i = 1, j = 1; i < descriptions.length; i++) { + if (descriptions[i - 1] !== descriptions[i]) { + descriptions[j] = descriptions[i]; + j++; + } + } + descriptions.length = j; + } + + switch (descriptions.length) { + case 1: + return descriptions[0]; + + case 2: + return descriptions[0] + " or " + descriptions[1]; + + default: + return descriptions.slice(0, -1).join(", ") + + ", or " + + descriptions[descriptions.length - 1]; + } + } + + function describeFound(found) { + return found ? "\"" + literalEscape(found) + "\"" : "end of input"; + } + + return "Expected " + describeExpected(expected) + " but " + describeFound(found) + " found."; + }; + + function peg$parse(input, options) { + options = options !== void 0 ? options : {}; + + var peg$FAILED = {}, + + peg$startRuleFunctions = { start: peg$parsestart }, + peg$startRuleFunction = peg$parsestart, + + peg$c0 = function(ss) { + return ss.length === 1 ? ss[0] : { type: 'matches', selectors: ss }; + }, + peg$c1 = function() { return void 0; }, + peg$c2 = " ", + peg$c3 = peg$literalExpectation(" ", false), + peg$c4 = /^[^ [\],():#!=><~+.]/, + peg$c5 = peg$classExpectation([" ", "[", "]", ",", "(", ")", ":", "#", "!", "=", ">", "<", "~", "+", "."], true, false), + peg$c6 = function(i) { return i.join(''); }, + peg$c7 = ">", + peg$c8 = peg$literalExpectation(">", false), + peg$c9 = function() { return 'child'; }, + peg$c10 = "~", + peg$c11 = peg$literalExpectation("~", false), + peg$c12 = function() { return 'sibling'; }, + peg$c13 = "+", + peg$c14 = peg$literalExpectation("+", false), + peg$c15 = function() { return 'adjacent'; }, + peg$c16 = function() { return 'descendant'; }, + peg$c17 = ",", + peg$c18 = peg$literalExpectation(",", false), + peg$c19 = function(s, ss) { + return [s].concat(ss.map(function (s) { return s[3]; })); + }, + peg$c20 = function(op, s) { + if (!op) return s; + return { type: op, left: { type: 'exactNode' }, right: s }; + }, + peg$c21 = function(a, ops) { + return ops.reduce(function (memo, rhs) { + return { type: rhs[0], left: memo, right: rhs[1] }; + }, a); + }, + peg$c22 = "!", + peg$c23 = peg$literalExpectation("!", false), + peg$c24 = function(subject, as) { + const b = as.length === 1 ? as[0] : { type: 'compound', selectors: as }; + if(subject) b.subject = true; + return b; + }, + peg$c25 = "*", + peg$c26 = peg$literalExpectation("*", false), + peg$c27 = function(a) { return { type: 'wildcard', value: a }; }, + peg$c28 = "#", + peg$c29 = peg$literalExpectation("#", false), + peg$c30 = function(i) { return { type: 'identifier', value: i }; }, + peg$c31 = "[", + peg$c32 = peg$literalExpectation("[", false), + peg$c33 = "]", + peg$c34 = peg$literalExpectation("]", false), + peg$c35 = function(v) { return v; }, + peg$c36 = /^[>", "<", "!"], false, false), + peg$c38 = "=", + peg$c39 = peg$literalExpectation("=", false), + peg$c40 = function(a) { return (a || '') + '='; }, + peg$c41 = /^[><]/, + peg$c42 = peg$classExpectation([">", "<"], false, false), + peg$c43 = ".", + peg$c44 = peg$literalExpectation(".", false), + peg$c45 = function(a, as) { + return [].concat.apply([a], as).join(''); + }, + peg$c46 = function(name, op, value) { + return { type: 'attribute', name: name, operator: op, value: value }; + }, + peg$c47 = function(name) { return { type: 'attribute', name: name }; }, + peg$c48 = "\"", + peg$c49 = peg$literalExpectation("\"", false), + peg$c50 = /^[^\\"]/, + peg$c51 = peg$classExpectation(["\\", "\""], true, false), + peg$c52 = "\\", + peg$c53 = peg$literalExpectation("\\", false), + peg$c54 = peg$anyExpectation(), + peg$c55 = function(a, b) { return a + b; }, + peg$c56 = function(d) { + return { type: 'literal', value: strUnescape(d.join('')) }; + }, + peg$c57 = "'", + peg$c58 = peg$literalExpectation("'", false), + peg$c59 = /^[^\\']/, + peg$c60 = peg$classExpectation(["\\", "'"], true, false), + peg$c61 = /^[0-9]/, + peg$c62 = peg$classExpectation([["0", "9"]], false, false), + peg$c63 = function(a, b) { + // Can use `a.flat().join('')` once supported + const leadingDecimals = a ? [].concat.apply([], a).join('') : ''; + return { type: 'literal', value: parseFloat(leadingDecimals + b.join('')) }; + }, + peg$c64 = function(i) { return { type: 'literal', value: i }; }, + peg$c65 = "type(", + peg$c66 = peg$literalExpectation("type(", false), + peg$c67 = /^[^ )]/, + peg$c68 = peg$classExpectation([" ", ")"], true, false), + peg$c69 = ")", + peg$c70 = peg$literalExpectation(")", false), + peg$c71 = function(t) { return { type: 'type', value: t.join('') }; }, + peg$c72 = /^[imsu]/, + peg$c73 = peg$classExpectation(["i", "m", "s", "u"], false, false), + peg$c74 = "/", + peg$c75 = peg$literalExpectation("/", false), + peg$c76 = /^[^\/]/, + peg$c77 = peg$classExpectation(["/"], true, false), + peg$c78 = function(d, flgs) { return { + type: 'regexp', value: new RegExp(d.join(''), flgs ? flgs.join('') : '') }; + }, + peg$c79 = function(i, is) { + return { type: 'field', name: is.reduce(function(memo, p){ return memo + p[0] + p[1]; }, i)}; + }, + peg$c80 = ":not(", + peg$c81 = peg$literalExpectation(":not(", false), + peg$c82 = function(ss) { return { type: 'not', selectors: ss }; }, + peg$c83 = ":matches(", + peg$c84 = peg$literalExpectation(":matches(", false), + peg$c85 = function(ss) { return { type: 'matches', selectors: ss }; }, + peg$c86 = ":has(", + peg$c87 = peg$literalExpectation(":has(", false), + peg$c88 = function(ss) { return { type: 'has', selectors: ss }; }, + peg$c89 = ":first-child", + peg$c90 = peg$literalExpectation(":first-child", false), + peg$c91 = function() { return nth(1); }, + peg$c92 = ":last-child", + peg$c93 = peg$literalExpectation(":last-child", false), + peg$c94 = function() { return nthLast(1); }, + peg$c95 = ":nth-child(", + peg$c96 = peg$literalExpectation(":nth-child(", false), + peg$c97 = function(n) { return nth(parseInt(n.join(''), 10)); }, + peg$c98 = ":nth-last-child(", + peg$c99 = peg$literalExpectation(":nth-last-child(", false), + peg$c100 = function(n) { return nthLast(parseInt(n.join(''), 10)); }, + peg$c101 = ":", + peg$c102 = peg$literalExpectation(":", false), + peg$c103 = function(c) { + return { type: 'class', name: c }; + }, + + peg$currPos = 0, + peg$savedPos = 0, + peg$posDetailsCache = [{ line: 1, column: 1 }], + peg$maxFailPos = 0, + peg$maxFailExpected = [], + peg$silentFails = 0, + + peg$resultsCache = {}, + + peg$result; + + if ("startRule" in options) { + if (!(options.startRule in peg$startRuleFunctions)) { + throw new Error("Can't start parsing from rule \"" + options.startRule + "\"."); + } + + peg$startRuleFunction = peg$startRuleFunctions[options.startRule]; + } + + function text() { + return input.substring(peg$savedPos, peg$currPos); + } + + function location() { + return peg$computeLocation(peg$savedPos, peg$currPos); + } + + function expected(description, location) { + location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos) + + throw peg$buildStructuredError( + [peg$otherExpectation(description)], + input.substring(peg$savedPos, peg$currPos), + location + ); + } + + function error(message, location) { + location = location !== void 0 ? location : peg$computeLocation(peg$savedPos, peg$currPos) + + throw peg$buildSimpleError(message, location); + } + + function peg$literalExpectation(text, ignoreCase) { + return { type: "literal", text: text, ignoreCase: ignoreCase }; + } + + function peg$classExpectation(parts, inverted, ignoreCase) { + return { type: "class", parts: parts, inverted: inverted, ignoreCase: ignoreCase }; + } + + function peg$anyExpectation() { + return { type: "any" }; + } + + function peg$endExpectation() { + return { type: "end" }; + } + + function peg$otherExpectation(description) { + return { type: "other", description: description }; + } + + function peg$computePosDetails(pos) { + var details = peg$posDetailsCache[pos], p; + + if (details) { + return details; + } else { + p = pos - 1; + while (!peg$posDetailsCache[p]) { + p--; + } + + details = peg$posDetailsCache[p]; + details = { + line: details.line, + column: details.column + }; + + while (p < pos) { + if (input.charCodeAt(p) === 10) { + details.line++; + details.column = 1; + } else { + details.column++; + } + + p++; + } + + peg$posDetailsCache[pos] = details; + return details; + } + } + + function peg$computeLocation(startPos, endPos) { + var startPosDetails = peg$computePosDetails(startPos), + endPosDetails = peg$computePosDetails(endPos); + + return { + start: { + offset: startPos, + line: startPosDetails.line, + column: startPosDetails.column + }, + end: { + offset: endPos, + line: endPosDetails.line, + column: endPosDetails.column + } + }; + } + + function peg$fail(expected) { + if (peg$currPos < peg$maxFailPos) { return; } + + if (peg$currPos > peg$maxFailPos) { + peg$maxFailPos = peg$currPos; + peg$maxFailExpected = []; + } + + peg$maxFailExpected.push(expected); + } + + function peg$buildSimpleError(message, location) { + return new peg$SyntaxError(message, null, null, location); + } + + function peg$buildStructuredError(expected, found, location) { + return new peg$SyntaxError( + peg$SyntaxError.buildMessage(expected, found), + expected, + found, + location + ); + } + + function peg$parsestart() { + var s0, s1, s2, s3; + + var key = peg$currPos * 32 + 0, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + s2 = peg$parseselectors(); + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c0(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c1(); + } + s0 = s1; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parse_() { + var s0, s1; + + var key = peg$currPos * 32 + 1, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = []; + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c3); } + } + while (s1 !== peg$FAILED) { + s0.push(s1); + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c3); } + } + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseidentifierName() { + var s0, s1, s2; + + var key = peg$currPos * 32 + 2, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + s1 = []; + if (peg$c4.test(input.charAt(peg$currPos))) { + s2 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s2 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c5); } + } + if (s2 !== peg$FAILED) { + while (s2 !== peg$FAILED) { + s1.push(s2); + if (peg$c4.test(input.charAt(peg$currPos))) { + s2 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s2 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c5); } + } + } + } else { + s1 = peg$FAILED; + } + if (s1 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c6(s1); + } + s0 = s1; + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsebinaryOp() { + var s0, s1, s2, s3; + + var key = peg$currPos * 32 + 3, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 62) { + s2 = peg$c7; + peg$currPos++; + } else { + s2 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c8); } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c9(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 126) { + s2 = peg$c10; + peg$currPos++; + } else { + s2 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c11); } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c12(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parse_(); + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 43) { + s2 = peg$c13; + peg$currPos++; + } else { + s2 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c14); } + } + if (s2 !== peg$FAILED) { + s3 = peg$parse_(); + if (s3 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c15(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 32) { + s1 = peg$c2; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c3); } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c16(); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } + } + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsehasSelectors() { + var s0, s1, s2, s3, s4, s5, s6, s7; + + var key = peg$currPos * 32 + 4, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + s1 = peg$parsehasSelector(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c18); } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parsehasSelector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c18); } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parsehasSelector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c19(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseselectors() { + var s0, s1, s2, s3, s4, s5, s6, s7; + + var key = peg$currPos * 32 + 5, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + s1 = peg$parseselector(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c18); } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parseselector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 44) { + s5 = peg$c17; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c18); } + } + if (s5 !== peg$FAILED) { + s6 = peg$parse_(); + if (s6 !== peg$FAILED) { + s7 = peg$parseselector(); + if (s7 !== peg$FAILED) { + s4 = [s4, s5, s6, s7]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c19(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsehasSelector() { + var s0, s1, s2; + + var key = peg$currPos * 32 + 6, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + s1 = peg$parsebinaryOp(); + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = peg$parseselector(); + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c20(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseselector() { + var s0, s1, s2, s3, s4, s5; + + var key = peg$currPos * 32 + 7, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + s1 = peg$parsesequence(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + s4 = peg$parsebinaryOp(); + if (s4 !== peg$FAILED) { + s5 = peg$parsesequence(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + s4 = peg$parsebinaryOp(); + if (s4 !== peg$FAILED) { + s5 = peg$parsesequence(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c21(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsesequence() { + var s0, s1, s2, s3; + + var key = peg$currPos * 32 + 8, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 33) { + s1 = peg$c22; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c23); } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$parseatom(); + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$parseatom(); + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c24(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseatom() { + var s0; + + var key = peg$currPos * 32 + 9, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$parsewildcard(); + if (s0 === peg$FAILED) { + s0 = peg$parseidentifier(); + if (s0 === peg$FAILED) { + s0 = peg$parseattr(); + if (s0 === peg$FAILED) { + s0 = peg$parsefield(); + if (s0 === peg$FAILED) { + s0 = peg$parsenegation(); + if (s0 === peg$FAILED) { + s0 = peg$parsematches(); + if (s0 === peg$FAILED) { + s0 = peg$parsehas(); + if (s0 === peg$FAILED) { + s0 = peg$parsefirstChild(); + if (s0 === peg$FAILED) { + s0 = peg$parselastChild(); + if (s0 === peg$FAILED) { + s0 = peg$parsenthChild(); + if (s0 === peg$FAILED) { + s0 = peg$parsenthLastChild(); + if (s0 === peg$FAILED) { + s0 = peg$parseclass(); + } + } + } + } + } + } + } + } + } + } + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsewildcard() { + var s0, s1; + + var key = peg$currPos * 32 + 10, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 42) { + s1 = peg$c25; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c26); } + } + if (s1 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c27(s1); + } + s0 = s1; + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseidentifier() { + var s0, s1, s2; + + var key = peg$currPos * 32 + 11, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 35) { + s1 = peg$c28; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c29); } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c30(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseattr() { + var s0, s1, s2, s3, s4, s5; + + var key = peg$currPos * 32 + 12, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 91) { + s1 = peg$c31; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c32); } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrValue(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 93) { + s5 = peg$c33; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c34); } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c35(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseattrOps() { + var s0, s1, s2; + + var key = peg$currPos * 32 + 13, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (peg$c36.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c37); } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 61) { + s2 = peg$c38; + peg$currPos++; + } else { + s2 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c39); } + } + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c40(s1); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + if (peg$c41.test(input.charAt(peg$currPos))) { + s0 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s0 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c42); } + } + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseattrEqOps() { + var s0, s1, s2; + + var key = peg$currPos * 32 + 14, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 33) { + s1 = peg$c22; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c23); } + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 61) { + s2 = peg$c38; + peg$currPos++; + } else { + s2 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c39); } + } + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c40(s1); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseattrName() { + var s0, s1, s2, s3, s4, s5; + + var key = peg$currPos * 32 + 15, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + s1 = peg$parseidentifierName(); + if (s1 !== peg$FAILED) { + s2 = []; + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s4 = peg$c43; + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c44); } + } + if (s4 !== peg$FAILED) { + s5 = peg$parseidentifierName(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + while (s3 !== peg$FAILED) { + s2.push(s3); + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s4 = peg$c43; + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c44); } + } + if (s4 !== peg$FAILED) { + s5 = peg$parseidentifierName(); + if (s5 !== peg$FAILED) { + s4 = [s4, s5]; + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c45(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseattrValue() { + var s0, s1, s2, s3, s4, s5; + + var key = peg$currPos * 32 + 16, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrEqOps(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + s5 = peg$parsetype(); + if (s5 === peg$FAILED) { + s5 = peg$parseregex(); + } + if (s5 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c46(s1, s3, s5); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseattrOps(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + s5 = peg$parsestring(); + if (s5 === peg$FAILED) { + s5 = peg$parsenumber(); + if (s5 === peg$FAILED) { + s5 = peg$parsepath(); + } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c46(s1, s3, s5); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + s1 = peg$parseattrName(); + if (s1 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c47(s1); + } + s0 = s1; + } + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsestring() { + var s0, s1, s2, s3, s4, s5; + + var key = peg$currPos * 32 + 17, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 34) { + s1 = peg$c48; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c49); } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c50.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c51); } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c53); } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c54); } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s3; + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c50.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c51); } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c53); } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c54); } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s3; + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 34) { + s3 = peg$c48; + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c49); } + } + if (s3 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c56(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + if (s0 === peg$FAILED) { + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 39) { + s1 = peg$c57; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c58); } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c59.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c60); } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c53); } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c54); } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s3; + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c59.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c60); } + } + if (s3 === peg$FAILED) { + s3 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 92) { + s4 = peg$c52; + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c53); } + } + if (s4 !== peg$FAILED) { + if (input.length > peg$currPos) { + s5 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c54); } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s3; + s4 = peg$c55(s4, s5); + s3 = s4; + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } else { + peg$currPos = s3; + s3 = peg$FAILED; + } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 39) { + s3 = peg$c57; + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c58); } + } + if (s3 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c56(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsenumber() { + var s0, s1, s2, s3; + + var key = peg$currPos * 32 + 18, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + s1 = peg$currPos; + s2 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c62); } + } + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c62); } + } + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 46) { + s3 = peg$c43; + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c44); } + } + if (s3 !== peg$FAILED) { + s2 = [s2, s3]; + s1 = s2; + } else { + peg$currPos = s1; + s1 = peg$FAILED; + } + } else { + peg$currPos = s1; + s1 = peg$FAILED; + } + if (s1 === peg$FAILED) { + s1 = null; + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c62); } + } + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c61.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c62); } + } + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c63(s1, s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsepath() { + var s0, s1; + + var key = peg$currPos * 32 + 19, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + s1 = peg$parseidentifierName(); + if (s1 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c64(s1); + } + s0 = s1; + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsetype() { + var s0, s1, s2, s3, s4, s5; + + var key = peg$currPos * 32 + 20, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c65) { + s1 = peg$c65; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c66); } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c67.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c68); } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c67.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c68); } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c70); } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c71(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseflags() { + var s0, s1; + + var key = peg$currPos * 32 + 21, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = []; + if (peg$c72.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c73); } + } + if (s1 !== peg$FAILED) { + while (s1 !== peg$FAILED) { + s0.push(s1); + if (peg$c72.test(input.charAt(peg$currPos))) { + s1 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c73); } + } + } + } else { + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseregex() { + var s0, s1, s2, s3, s4; + + var key = peg$currPos * 32 + 22, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 47) { + s1 = peg$c74; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c75); } + } + if (s1 !== peg$FAILED) { + s2 = []; + if (peg$c76.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c77); } + } + if (s3 !== peg$FAILED) { + while (s3 !== peg$FAILED) { + s2.push(s3); + if (peg$c76.test(input.charAt(peg$currPos))) { + s3 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c77); } + } + } + } else { + s2 = peg$FAILED; + } + if (s2 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 47) { + s3 = peg$c74; + peg$currPos++; + } else { + s3 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c75); } + } + if (s3 !== peg$FAILED) { + s4 = peg$parseflags(); + if (s4 === peg$FAILED) { + s4 = null; + } + if (s4 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c78(s2, s4); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsefield() { + var s0, s1, s2, s3, s4, s5, s6; + + var key = peg$currPos * 32 + 23, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s1 = peg$c43; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c44); } + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + s3 = []; + s4 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s5 = peg$c43; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c44); } + } + if (s5 !== peg$FAILED) { + s6 = peg$parseidentifierName(); + if (s6 !== peg$FAILED) { + s5 = [s5, s6]; + s4 = s5; + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + while (s4 !== peg$FAILED) { + s3.push(s4); + s4 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 46) { + s5 = peg$c43; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c44); } + } + if (s5 !== peg$FAILED) { + s6 = peg$parseidentifierName(); + if (s6 !== peg$FAILED) { + s5 = [s5, s6]; + s4 = s5; + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } else { + peg$currPos = s4; + s4 = peg$FAILED; + } + } + if (s3 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c79(s2, s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsenegation() { + var s0, s1, s2, s3, s4, s5; + + var key = peg$currPos * 32 + 24, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c80) { + s1 = peg$c80; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c81); } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseselectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c70); } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c82(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsematches() { + var s0, s1, s2, s3, s4, s5; + + var key = peg$currPos * 32 + 25, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.substr(peg$currPos, 9) === peg$c83) { + s1 = peg$c83; + peg$currPos += 9; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c84); } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parseselectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c70); } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c85(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsehas() { + var s0, s1, s2, s3, s4, s5; + + var key = peg$currPos * 32 + 26, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.substr(peg$currPos, 5) === peg$c86) { + s1 = peg$c86; + peg$currPos += 5; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c87); } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = peg$parsehasSelectors(); + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c70); } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c88(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsefirstChild() { + var s0, s1; + + var key = peg$currPos * 32 + 27, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.substr(peg$currPos, 12) === peg$c89) { + s1 = peg$c89; + peg$currPos += 12; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c90); } + } + if (s1 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c91(); + } + s0 = s1; + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parselastChild() { + var s0, s1; + + var key = peg$currPos * 32 + 28, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.substr(peg$currPos, 11) === peg$c92) { + s1 = peg$c92; + peg$currPos += 11; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c93); } + } + if (s1 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c94(); + } + s0 = s1; + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsenthChild() { + var s0, s1, s2, s3, s4, s5; + + var key = peg$currPos * 32 + 29, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.substr(peg$currPos, 11) === peg$c95) { + s1 = peg$c95; + peg$currPos += 11; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c96); } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c62); } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c62); } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c70); } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c97(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parsenthLastChild() { + var s0, s1, s2, s3, s4, s5; + + var key = peg$currPos * 32 + 30, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.substr(peg$currPos, 16) === peg$c98) { + s1 = peg$c98; + peg$currPos += 16; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c99); } + } + if (s1 !== peg$FAILED) { + s2 = peg$parse_(); + if (s2 !== peg$FAILED) { + s3 = []; + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c62); } + } + if (s4 !== peg$FAILED) { + while (s4 !== peg$FAILED) { + s3.push(s4); + if (peg$c61.test(input.charAt(peg$currPos))) { + s4 = input.charAt(peg$currPos); + peg$currPos++; + } else { + s4 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c62); } + } + } + } else { + s3 = peg$FAILED; + } + if (s3 !== peg$FAILED) { + s4 = peg$parse_(); + if (s4 !== peg$FAILED) { + if (input.charCodeAt(peg$currPos) === 41) { + s5 = peg$c69; + peg$currPos++; + } else { + s5 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c70); } + } + if (s5 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c100(s3); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + function peg$parseclass() { + var s0, s1, s2; + + var key = peg$currPos * 32 + 31, + cached = peg$resultsCache[key]; + + if (cached) { + peg$currPos = cached.nextPos; + + return cached.result; + } + + s0 = peg$currPos; + if (input.charCodeAt(peg$currPos) === 58) { + s1 = peg$c101; + peg$currPos++; + } else { + s1 = peg$FAILED; + if (peg$silentFails === 0) { peg$fail(peg$c102); } + } + if (s1 !== peg$FAILED) { + s2 = peg$parseidentifierName(); + if (s2 !== peg$FAILED) { + peg$savedPos = s0; + s1 = peg$c103(s2); + s0 = s1; + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + } else { + peg$currPos = s0; + s0 = peg$FAILED; + } + + peg$resultsCache[key] = { nextPos: peg$currPos, result: s0 }; + + return s0; + } + + + function nth(n) { return { type: 'nth-child', index: { type: 'literal', value: n } }; } + function nthLast(n) { return { type: 'nth-last-child', index: { type: 'literal', value: n } }; } + function strUnescape(s) { + return s.replace(/\\(.)/g, function(match, ch) { + switch(ch) { + case 'b': return '\b'; + case 'f': return '\f'; + case 'n': return '\n'; + case 'r': return '\r'; + case 't': return '\t'; + case 'v': return '\v'; + default: return ch; + } + }); + } + + + peg$result = peg$startRuleFunction(); + + if (peg$result !== peg$FAILED && peg$currPos === input.length) { + return peg$result; + } else { + if (peg$result !== peg$FAILED && peg$currPos < input.length) { + peg$fail(peg$endExpectation()); + } + + throw peg$buildStructuredError( + peg$maxFailExpected, + peg$maxFailPos < input.length ? input.charAt(peg$maxFailPos) : null, + peg$maxFailPos < input.length + ? peg$computeLocation(peg$maxFailPos, peg$maxFailPos + 1) + : peg$computeLocation(peg$maxFailPos, peg$maxFailPos) + ); + } + } + + return { + SyntaxError: peg$SyntaxError, + parse: peg$parse + }; +}); diff --git a/module/node_modules/esrecurse/.babelrc b/module/node_modules/esrecurse/.babelrc new file mode 100644 index 000000000..a0765e185 --- /dev/null +++ b/module/node_modules/esrecurse/.babelrc @@ -0,0 +1,3 @@ +{ + "presets": ["es2015"] +} diff --git a/module/node_modules/esrecurse/README.md b/module/node_modules/esrecurse/README.md new file mode 100644 index 000000000..ffea6b434 --- /dev/null +++ b/module/node_modules/esrecurse/README.md @@ -0,0 +1,171 @@ +### Esrecurse [![Build Status](https://travis-ci.org/estools/esrecurse.svg?branch=master)](https://travis-ci.org/estools/esrecurse) + +Esrecurse ([esrecurse](https://github.com/estools/esrecurse)) is +[ECMAScript](https://www.ecma-international.org/publications/standards/Ecma-262.htm) +recursive traversing functionality. + +### Example Usage + +The following code will output all variables declared at the root of a file. + +```javascript +esrecurse.visit(ast, { + XXXStatement: function (node) { + this.visit(node.left); + // do something... + this.visit(node.right); + } +}); +``` + +We can use `Visitor` instance. + +```javascript +var visitor = new esrecurse.Visitor({ + XXXStatement: function (node) { + this.visit(node.left); + // do something... + this.visit(node.right); + } +}); + +visitor.visit(ast); +``` + +We can inherit `Visitor` instance easily. + +```javascript +class Derived extends esrecurse.Visitor { + constructor() + { + super(null); + } + + XXXStatement(node) { + } +} +``` + +```javascript +function DerivedVisitor() { + esrecurse.Visitor.call(/* this for constructor */ this /* visitor object automatically becomes this. */); +} +util.inherits(DerivedVisitor, esrecurse.Visitor); +DerivedVisitor.prototype.XXXStatement = function (node) { + this.visit(node.left); + // do something... + this.visit(node.right); +}; +``` + +And you can invoke default visiting operation inside custom visit operation. + +```javascript +function DerivedVisitor() { + esrecurse.Visitor.call(/* this for constructor */ this /* visitor object automatically becomes this. */); +} +util.inherits(DerivedVisitor, esrecurse.Visitor); +DerivedVisitor.prototype.XXXStatement = function (node) { + // do something... + this.visitChildren(node); +}; +``` + +The `childVisitorKeys` option does customize the behaviour of `this.visitChildren(node)`. +We can use user-defined node types. + +```javascript +// This tree contains a user-defined `TestExpression` node. +var tree = { + type: 'TestExpression', + + // This 'argument' is the property containing the other **node**. + argument: { + type: 'Literal', + value: 20 + }, + + // This 'extended' is the property not containing the other **node**. + extended: true +}; +esrecurse.visit( + ast, + { + Literal: function (node) { + // do something... + } + }, + { + // Extending the existing traversing rules. + childVisitorKeys: { + // TargetNodeName: [ 'keys', 'containing', 'the', 'other', '**node**' ] + TestExpression: ['argument'] + } + } +); +``` + +We can use the `fallback` option as well. +If the `fallback` option is `"iteration"`, `esrecurse` would visit all enumerable properties of unknown nodes. +Please note circular references cause the stack overflow. AST might have circular references in additional properties for some purpose (e.g. `node.parent`). + +```javascript +esrecurse.visit( + ast, + { + Literal: function (node) { + // do something... + } + }, + { + fallback: 'iteration' + } +); +``` + +If the `fallback` option is a function, `esrecurse` calls this function to determine the enumerable properties of unknown nodes. +Please note circular references cause the stack overflow. AST might have circular references in additional properties for some purpose (e.g. `node.parent`). + +```javascript +esrecurse.visit( + ast, + { + Literal: function (node) { + // do something... + } + }, + { + fallback: function (node) { + return Object.keys(node).filter(function(key) { + return key !== 'argument' + }); + } + } +); +``` + +### License + +Copyright (C) 2014 [Yusuke Suzuki](https://github.com/Constellation) + (twitter: [@Constellation](https://twitter.com/Constellation)) and other contributors. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/module/node_modules/esrecurse/esrecurse.js b/module/node_modules/esrecurse/esrecurse.js new file mode 100644 index 000000000..15d57dfd0 --- /dev/null +++ b/module/node_modules/esrecurse/esrecurse.js @@ -0,0 +1,117 @@ +/* + Copyright (C) 2014 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +(function () { + 'use strict'; + + var estraverse = require('estraverse'); + + function isNode(node) { + if (node == null) { + return false; + } + return typeof node === 'object' && typeof node.type === 'string'; + } + + function isProperty(nodeType, key) { + return (nodeType === estraverse.Syntax.ObjectExpression || nodeType === estraverse.Syntax.ObjectPattern) && key === 'properties'; + } + + function Visitor(visitor, options) { + options = options || {}; + + this.__visitor = visitor || this; + this.__childVisitorKeys = options.childVisitorKeys + ? Object.assign({}, estraverse.VisitorKeys, options.childVisitorKeys) + : estraverse.VisitorKeys; + if (options.fallback === 'iteration') { + this.__fallback = Object.keys; + } else if (typeof options.fallback === 'function') { + this.__fallback = options.fallback; + } + } + + /* Default method for visiting children. + * When you need to call default visiting operation inside custom visiting + * operation, you can use it with `this.visitChildren(node)`. + */ + Visitor.prototype.visitChildren = function (node) { + var type, children, i, iz, j, jz, child; + + if (node == null) { + return; + } + + type = node.type || estraverse.Syntax.Property; + + children = this.__childVisitorKeys[type]; + if (!children) { + if (this.__fallback) { + children = this.__fallback(node); + } else { + throw new Error('Unknown node type ' + type + '.'); + } + } + + for (i = 0, iz = children.length; i < iz; ++i) { + child = node[children[i]]; + if (child) { + if (Array.isArray(child)) { + for (j = 0, jz = child.length; j < jz; ++j) { + if (child[j]) { + if (isNode(child[j]) || isProperty(type, children[i])) { + this.visit(child[j]); + } + } + } + } else if (isNode(child)) { + this.visit(child); + } + } + } + }; + + /* Dispatching node. */ + Visitor.prototype.visit = function (node) { + var type; + + if (node == null) { + return; + } + + type = node.type || estraverse.Syntax.Property; + if (this.__visitor[type]) { + this.__visitor[type].call(this, node); + return; + } + this.visitChildren(node); + }; + + exports.version = require('./package.json').version; + exports.Visitor = Visitor; + exports.visit = function (node, visitor, options) { + var v = new Visitor(visitor, options); + v.visit(node); + }; +}()); +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/esrecurse/gulpfile.babel.js b/module/node_modules/esrecurse/gulpfile.babel.js new file mode 100644 index 000000000..aa881c9c3 --- /dev/null +++ b/module/node_modules/esrecurse/gulpfile.babel.js @@ -0,0 +1,92 @@ +// Copyright (C) 2014 Yusuke Suzuki +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +// ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY +// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +import gulp from 'gulp'; +import mocha from 'gulp-mocha'; +import eslint from 'gulp-eslint'; +import minimist from 'minimist'; +import git from 'gulp-git'; +import bump from 'gulp-bump'; +import filter from 'gulp-filter'; +import tagVersion from 'gulp-tag-version'; +import 'babel-register'; + +const SOURCE = [ + '*.js' +]; + +let ESLINT_OPTION = { + parser: 'babel-eslint', + parserOptions: { + 'sourceType': 'module' + }, + rules: { + 'quotes': 0, + 'eqeqeq': 0, + 'no-use-before-define': 0, + 'no-shadow': 0, + 'no-new': 0, + 'no-underscore-dangle': 0, + 'no-multi-spaces': 0, + 'no-native-reassign': 0, + 'no-loop-func': 0 + }, + env: { + 'node': true + } +}; + +gulp.task('test', function() { + let options = minimist(process.argv.slice(2), { + string: 'test', + default: { + test: 'test/*.js' + } + } + ); + return gulp.src(options.test).pipe(mocha({reporter: 'spec'})); +}); + +gulp.task('lint', () => + gulp.src(SOURCE) + .pipe(eslint(ESLINT_OPTION)) + .pipe(eslint.formatEach('stylish', process.stderr)) + .pipe(eslint.failOnError()) +); + +let inc = importance => + gulp.src(['./package.json']) + .pipe(bump({type: importance})) + .pipe(gulp.dest('./')) + .pipe(git.commit('Bumps package version')) + .pipe(filter('package.json')) + .pipe(tagVersion({ + prefix: '' + })) +; + +gulp.task('travis', [ 'lint', 'test' ]); +gulp.task('default', [ 'travis' ]); + +gulp.task('patch', [ ], () => inc('patch')); +gulp.task('minor', [ ], () => inc('minor')); +gulp.task('major', [ ], () => inc('major')); diff --git a/module/node_modules/esrecurse/package.json b/module/node_modules/esrecurse/package.json new file mode 100644 index 000000000..dec5b1bc1 --- /dev/null +++ b/module/node_modules/esrecurse/package.json @@ -0,0 +1,52 @@ +{ + "name": "esrecurse", + "description": "ECMAScript AST recursive visitor", + "homepage": "https://github.com/estools/esrecurse", + "main": "esrecurse.js", + "version": "4.3.0", + "engines": { + "node": ">=4.0" + }, + "maintainers": [ + { + "name": "Yusuke Suzuki", + "email": "utatane.tea@gmail.com", + "web": "https://github.com/Constellation" + } + ], + "repository": { + "type": "git", + "url": "https://github.com/estools/esrecurse.git" + }, + "dependencies": { + "estraverse": "^5.2.0" + }, + "devDependencies": { + "babel-cli": "^6.24.1", + "babel-eslint": "^7.2.3", + "babel-preset-es2015": "^6.24.1", + "babel-register": "^6.24.1", + "chai": "^4.0.2", + "esprima": "^4.0.0", + "gulp": "^3.9.0", + "gulp-bump": "^2.7.0", + "gulp-eslint": "^4.0.0", + "gulp-filter": "^5.0.0", + "gulp-git": "^2.4.1", + "gulp-mocha": "^4.3.1", + "gulp-tag-version": "^1.2.1", + "jsdoc": "^3.3.0-alpha10", + "minimist": "^1.1.0" + }, + "license": "BSD-2-Clause", + "scripts": { + "test": "gulp travis", + "unit-test": "gulp test", + "lint": "gulp lint" + }, + "babel": { + "presets": [ + "es2015" + ] + } +} diff --git a/module/node_modules/estraverse/.jshintrc b/module/node_modules/estraverse/.jshintrc new file mode 100644 index 000000000..f642dae76 --- /dev/null +++ b/module/node_modules/estraverse/.jshintrc @@ -0,0 +1,16 @@ +{ + "curly": true, + "eqeqeq": true, + "immed": true, + "eqnull": true, + "latedef": true, + "noarg": true, + "noempty": true, + "quotmark": "single", + "undef": true, + "unused": true, + "strict": true, + "trailing": true, + + "node": true +} diff --git a/module/node_modules/estraverse/LICENSE.BSD b/module/node_modules/estraverse/LICENSE.BSD new file mode 100644 index 000000000..3e580c355 --- /dev/null +++ b/module/node_modules/estraverse/LICENSE.BSD @@ -0,0 +1,19 @@ +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/module/node_modules/estraverse/README.md b/module/node_modules/estraverse/README.md new file mode 100644 index 000000000..ccd3377f3 --- /dev/null +++ b/module/node_modules/estraverse/README.md @@ -0,0 +1,153 @@ +### Estraverse [![Build Status](https://secure.travis-ci.org/estools/estraverse.svg)](http://travis-ci.org/estools/estraverse) + +Estraverse ([estraverse](http://github.com/estools/estraverse)) is +[ECMAScript](http://www.ecma-international.org/publications/standards/Ecma-262.htm) +traversal functions from [esmangle project](http://github.com/estools/esmangle). + +### Documentation + +You can find usage docs at [wiki page](https://github.com/estools/estraverse/wiki/Usage). + +### Example Usage + +The following code will output all variables declared at the root of a file. + +```javascript +estraverse.traverse(ast, { + enter: function (node, parent) { + if (node.type == 'FunctionExpression' || node.type == 'FunctionDeclaration') + return estraverse.VisitorOption.Skip; + }, + leave: function (node, parent) { + if (node.type == 'VariableDeclarator') + console.log(node.id.name); + } +}); +``` + +We can use `this.skip`, `this.remove` and `this.break` functions instead of using Skip, Remove and Break. + +```javascript +estraverse.traverse(ast, { + enter: function (node) { + this.break(); + } +}); +``` + +And estraverse provides `estraverse.replace` function. When returning node from `enter`/`leave`, current node is replaced with it. + +```javascript +result = estraverse.replace(tree, { + enter: function (node) { + // Replace it with replaced. + if (node.type === 'Literal') + return replaced; + } +}); +``` + +By passing `visitor.keys` mapping, we can extend estraverse traversing functionality. + +```javascript +// This tree contains a user-defined `TestExpression` node. +var tree = { + type: 'TestExpression', + + // This 'argument' is the property containing the other **node**. + argument: { + type: 'Literal', + value: 20 + }, + + // This 'extended' is the property not containing the other **node**. + extended: true +}; +estraverse.traverse(tree, { + enter: function (node) { }, + + // Extending the existing traversing rules. + keys: { + // TargetNodeName: [ 'keys', 'containing', 'the', 'other', '**node**' ] + TestExpression: ['argument'] + } +}); +``` + +By passing `visitor.fallback` option, we can control the behavior when encountering unknown nodes. + +```javascript +// This tree contains a user-defined `TestExpression` node. +var tree = { + type: 'TestExpression', + + // This 'argument' is the property containing the other **node**. + argument: { + type: 'Literal', + value: 20 + }, + + // This 'extended' is the property not containing the other **node**. + extended: true +}; +estraverse.traverse(tree, { + enter: function (node) { }, + + // Iterating the child **nodes** of unknown nodes. + fallback: 'iteration' +}); +``` + +When `visitor.fallback` is a function, we can determine which keys to visit on each node. + +```javascript +// This tree contains a user-defined `TestExpression` node. +var tree = { + type: 'TestExpression', + + // This 'argument' is the property containing the other **node**. + argument: { + type: 'Literal', + value: 20 + }, + + // This 'extended' is the property not containing the other **node**. + extended: true +}; +estraverse.traverse(tree, { + enter: function (node) { }, + + // Skip the `argument` property of each node + fallback: function(node) { + return Object.keys(node).filter(function(key) { + return key !== 'argument'; + }); + } +}); +``` + +### License + +Copyright (C) 2012-2016 [Yusuke Suzuki](http://github.com/Constellation) + (twitter: [@Constellation](http://twitter.com/Constellation)) and other contributors. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/module/node_modules/estraverse/estraverse.js b/module/node_modules/estraverse/estraverse.js new file mode 100644 index 000000000..f0d9af9b4 --- /dev/null +++ b/module/node_modules/estraverse/estraverse.js @@ -0,0 +1,805 @@ +/* + Copyright (C) 2012-2013 Yusuke Suzuki + Copyright (C) 2012 Ariya Hidayat + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ +/*jslint vars:false, bitwise:true*/ +/*jshint indent:4*/ +/*global exports:true*/ +(function clone(exports) { + 'use strict'; + + var Syntax, + VisitorOption, + VisitorKeys, + BREAK, + SKIP, + REMOVE; + + function deepCopy(obj) { + var ret = {}, key, val; + for (key in obj) { + if (obj.hasOwnProperty(key)) { + val = obj[key]; + if (typeof val === 'object' && val !== null) { + ret[key] = deepCopy(val); + } else { + ret[key] = val; + } + } + } + return ret; + } + + // based on LLVM libc++ upper_bound / lower_bound + // MIT License + + function upperBound(array, func) { + var diff, len, i, current; + + len = array.length; + i = 0; + + while (len) { + diff = len >>> 1; + current = i + diff; + if (func(array[current])) { + len = diff; + } else { + i = current + 1; + len -= diff + 1; + } + } + return i; + } + + Syntax = { + AssignmentExpression: 'AssignmentExpression', + AssignmentPattern: 'AssignmentPattern', + ArrayExpression: 'ArrayExpression', + ArrayPattern: 'ArrayPattern', + ArrowFunctionExpression: 'ArrowFunctionExpression', + AwaitExpression: 'AwaitExpression', // CAUTION: It's deferred to ES7. + BlockStatement: 'BlockStatement', + BinaryExpression: 'BinaryExpression', + BreakStatement: 'BreakStatement', + CallExpression: 'CallExpression', + CatchClause: 'CatchClause', + ChainExpression: 'ChainExpression', + ClassBody: 'ClassBody', + ClassDeclaration: 'ClassDeclaration', + ClassExpression: 'ClassExpression', + ComprehensionBlock: 'ComprehensionBlock', // CAUTION: It's deferred to ES7. + ComprehensionExpression: 'ComprehensionExpression', // CAUTION: It's deferred to ES7. + ConditionalExpression: 'ConditionalExpression', + ContinueStatement: 'ContinueStatement', + DebuggerStatement: 'DebuggerStatement', + DirectiveStatement: 'DirectiveStatement', + DoWhileStatement: 'DoWhileStatement', + EmptyStatement: 'EmptyStatement', + ExportAllDeclaration: 'ExportAllDeclaration', + ExportDefaultDeclaration: 'ExportDefaultDeclaration', + ExportNamedDeclaration: 'ExportNamedDeclaration', + ExportSpecifier: 'ExportSpecifier', + ExpressionStatement: 'ExpressionStatement', + ForStatement: 'ForStatement', + ForInStatement: 'ForInStatement', + ForOfStatement: 'ForOfStatement', + FunctionDeclaration: 'FunctionDeclaration', + FunctionExpression: 'FunctionExpression', + GeneratorExpression: 'GeneratorExpression', // CAUTION: It's deferred to ES7. + Identifier: 'Identifier', + IfStatement: 'IfStatement', + ImportExpression: 'ImportExpression', + ImportDeclaration: 'ImportDeclaration', + ImportDefaultSpecifier: 'ImportDefaultSpecifier', + ImportNamespaceSpecifier: 'ImportNamespaceSpecifier', + ImportSpecifier: 'ImportSpecifier', + Literal: 'Literal', + LabeledStatement: 'LabeledStatement', + LogicalExpression: 'LogicalExpression', + MemberExpression: 'MemberExpression', + MetaProperty: 'MetaProperty', + MethodDefinition: 'MethodDefinition', + ModuleSpecifier: 'ModuleSpecifier', + NewExpression: 'NewExpression', + ObjectExpression: 'ObjectExpression', + ObjectPattern: 'ObjectPattern', + PrivateIdentifier: 'PrivateIdentifier', + Program: 'Program', + Property: 'Property', + PropertyDefinition: 'PropertyDefinition', + RestElement: 'RestElement', + ReturnStatement: 'ReturnStatement', + SequenceExpression: 'SequenceExpression', + SpreadElement: 'SpreadElement', + Super: 'Super', + SwitchStatement: 'SwitchStatement', + SwitchCase: 'SwitchCase', + TaggedTemplateExpression: 'TaggedTemplateExpression', + TemplateElement: 'TemplateElement', + TemplateLiteral: 'TemplateLiteral', + ThisExpression: 'ThisExpression', + ThrowStatement: 'ThrowStatement', + TryStatement: 'TryStatement', + UnaryExpression: 'UnaryExpression', + UpdateExpression: 'UpdateExpression', + VariableDeclaration: 'VariableDeclaration', + VariableDeclarator: 'VariableDeclarator', + WhileStatement: 'WhileStatement', + WithStatement: 'WithStatement', + YieldExpression: 'YieldExpression' + }; + + VisitorKeys = { + AssignmentExpression: ['left', 'right'], + AssignmentPattern: ['left', 'right'], + ArrayExpression: ['elements'], + ArrayPattern: ['elements'], + ArrowFunctionExpression: ['params', 'body'], + AwaitExpression: ['argument'], // CAUTION: It's deferred to ES7. + BlockStatement: ['body'], + BinaryExpression: ['left', 'right'], + BreakStatement: ['label'], + CallExpression: ['callee', 'arguments'], + CatchClause: ['param', 'body'], + ChainExpression: ['expression'], + ClassBody: ['body'], + ClassDeclaration: ['id', 'superClass', 'body'], + ClassExpression: ['id', 'superClass', 'body'], + ComprehensionBlock: ['left', 'right'], // CAUTION: It's deferred to ES7. + ComprehensionExpression: ['blocks', 'filter', 'body'], // CAUTION: It's deferred to ES7. + ConditionalExpression: ['test', 'consequent', 'alternate'], + ContinueStatement: ['label'], + DebuggerStatement: [], + DirectiveStatement: [], + DoWhileStatement: ['body', 'test'], + EmptyStatement: [], + ExportAllDeclaration: ['source'], + ExportDefaultDeclaration: ['declaration'], + ExportNamedDeclaration: ['declaration', 'specifiers', 'source'], + ExportSpecifier: ['exported', 'local'], + ExpressionStatement: ['expression'], + ForStatement: ['init', 'test', 'update', 'body'], + ForInStatement: ['left', 'right', 'body'], + ForOfStatement: ['left', 'right', 'body'], + FunctionDeclaration: ['id', 'params', 'body'], + FunctionExpression: ['id', 'params', 'body'], + GeneratorExpression: ['blocks', 'filter', 'body'], // CAUTION: It's deferred to ES7. + Identifier: [], + IfStatement: ['test', 'consequent', 'alternate'], + ImportExpression: ['source'], + ImportDeclaration: ['specifiers', 'source'], + ImportDefaultSpecifier: ['local'], + ImportNamespaceSpecifier: ['local'], + ImportSpecifier: ['imported', 'local'], + Literal: [], + LabeledStatement: ['label', 'body'], + LogicalExpression: ['left', 'right'], + MemberExpression: ['object', 'property'], + MetaProperty: ['meta', 'property'], + MethodDefinition: ['key', 'value'], + ModuleSpecifier: [], + NewExpression: ['callee', 'arguments'], + ObjectExpression: ['properties'], + ObjectPattern: ['properties'], + PrivateIdentifier: [], + Program: ['body'], + Property: ['key', 'value'], + PropertyDefinition: ['key', 'value'], + RestElement: [ 'argument' ], + ReturnStatement: ['argument'], + SequenceExpression: ['expressions'], + SpreadElement: ['argument'], + Super: [], + SwitchStatement: ['discriminant', 'cases'], + SwitchCase: ['test', 'consequent'], + TaggedTemplateExpression: ['tag', 'quasi'], + TemplateElement: [], + TemplateLiteral: ['quasis', 'expressions'], + ThisExpression: [], + ThrowStatement: ['argument'], + TryStatement: ['block', 'handler', 'finalizer'], + UnaryExpression: ['argument'], + UpdateExpression: ['argument'], + VariableDeclaration: ['declarations'], + VariableDeclarator: ['id', 'init'], + WhileStatement: ['test', 'body'], + WithStatement: ['object', 'body'], + YieldExpression: ['argument'] + }; + + // unique id + BREAK = {}; + SKIP = {}; + REMOVE = {}; + + VisitorOption = { + Break: BREAK, + Skip: SKIP, + Remove: REMOVE + }; + + function Reference(parent, key) { + this.parent = parent; + this.key = key; + } + + Reference.prototype.replace = function replace(node) { + this.parent[this.key] = node; + }; + + Reference.prototype.remove = function remove() { + if (Array.isArray(this.parent)) { + this.parent.splice(this.key, 1); + return true; + } else { + this.replace(null); + return false; + } + }; + + function Element(node, path, wrap, ref) { + this.node = node; + this.path = path; + this.wrap = wrap; + this.ref = ref; + } + + function Controller() { } + + // API: + // return property path array from root to current node + Controller.prototype.path = function path() { + var i, iz, j, jz, result, element; + + function addToPath(result, path) { + if (Array.isArray(path)) { + for (j = 0, jz = path.length; j < jz; ++j) { + result.push(path[j]); + } + } else { + result.push(path); + } + } + + // root node + if (!this.__current.path) { + return null; + } + + // first node is sentinel, second node is root element + result = []; + for (i = 2, iz = this.__leavelist.length; i < iz; ++i) { + element = this.__leavelist[i]; + addToPath(result, element.path); + } + addToPath(result, this.__current.path); + return result; + }; + + // API: + // return type of current node + Controller.prototype.type = function () { + var node = this.current(); + return node.type || this.__current.wrap; + }; + + // API: + // return array of parent elements + Controller.prototype.parents = function parents() { + var i, iz, result; + + // first node is sentinel + result = []; + for (i = 1, iz = this.__leavelist.length; i < iz; ++i) { + result.push(this.__leavelist[i].node); + } + + return result; + }; + + // API: + // return current node + Controller.prototype.current = function current() { + return this.__current.node; + }; + + Controller.prototype.__execute = function __execute(callback, element) { + var previous, result; + + result = undefined; + + previous = this.__current; + this.__current = element; + this.__state = null; + if (callback) { + result = callback.call(this, element.node, this.__leavelist[this.__leavelist.length - 1].node); + } + this.__current = previous; + + return result; + }; + + // API: + // notify control skip / break + Controller.prototype.notify = function notify(flag) { + this.__state = flag; + }; + + // API: + // skip child nodes of current node + Controller.prototype.skip = function () { + this.notify(SKIP); + }; + + // API: + // break traversals + Controller.prototype['break'] = function () { + this.notify(BREAK); + }; + + // API: + // remove node + Controller.prototype.remove = function () { + this.notify(REMOVE); + }; + + Controller.prototype.__initialize = function(root, visitor) { + this.visitor = visitor; + this.root = root; + this.__worklist = []; + this.__leavelist = []; + this.__current = null; + this.__state = null; + this.__fallback = null; + if (visitor.fallback === 'iteration') { + this.__fallback = Object.keys; + } else if (typeof visitor.fallback === 'function') { + this.__fallback = visitor.fallback; + } + + this.__keys = VisitorKeys; + if (visitor.keys) { + this.__keys = Object.assign(Object.create(this.__keys), visitor.keys); + } + }; + + function isNode(node) { + if (node == null) { + return false; + } + return typeof node === 'object' && typeof node.type === 'string'; + } + + function isProperty(nodeType, key) { + return (nodeType === Syntax.ObjectExpression || nodeType === Syntax.ObjectPattern) && 'properties' === key; + } + + function candidateExistsInLeaveList(leavelist, candidate) { + for (var i = leavelist.length - 1; i >= 0; --i) { + if (leavelist[i].node === candidate) { + return true; + } + } + return false; + } + + Controller.prototype.traverse = function traverse(root, visitor) { + var worklist, + leavelist, + element, + node, + nodeType, + ret, + key, + current, + current2, + candidates, + candidate, + sentinel; + + this.__initialize(root, visitor); + + sentinel = {}; + + // reference + worklist = this.__worklist; + leavelist = this.__leavelist; + + // initialize + worklist.push(new Element(root, null, null, null)); + leavelist.push(new Element(null, null, null, null)); + + while (worklist.length) { + element = worklist.pop(); + + if (element === sentinel) { + element = leavelist.pop(); + + ret = this.__execute(visitor.leave, element); + + if (this.__state === BREAK || ret === BREAK) { + return; + } + continue; + } + + if (element.node) { + + ret = this.__execute(visitor.enter, element); + + if (this.__state === BREAK || ret === BREAK) { + return; + } + + worklist.push(sentinel); + leavelist.push(element); + + if (this.__state === SKIP || ret === SKIP) { + continue; + } + + node = element.node; + nodeType = node.type || element.wrap; + candidates = this.__keys[nodeType]; + if (!candidates) { + if (this.__fallback) { + candidates = this.__fallback(node); + } else { + throw new Error('Unknown node type ' + nodeType + '.'); + } + } + + current = candidates.length; + while ((current -= 1) >= 0) { + key = candidates[current]; + candidate = node[key]; + if (!candidate) { + continue; + } + + if (Array.isArray(candidate)) { + current2 = candidate.length; + while ((current2 -= 1) >= 0) { + if (!candidate[current2]) { + continue; + } + + if (candidateExistsInLeaveList(leavelist, candidate[current2])) { + continue; + } + + if (isProperty(nodeType, candidates[current])) { + element = new Element(candidate[current2], [key, current2], 'Property', null); + } else if (isNode(candidate[current2])) { + element = new Element(candidate[current2], [key, current2], null, null); + } else { + continue; + } + worklist.push(element); + } + } else if (isNode(candidate)) { + if (candidateExistsInLeaveList(leavelist, candidate)) { + continue; + } + + worklist.push(new Element(candidate, key, null, null)); + } + } + } + } + }; + + Controller.prototype.replace = function replace(root, visitor) { + var worklist, + leavelist, + node, + nodeType, + target, + element, + current, + current2, + candidates, + candidate, + sentinel, + outer, + key; + + function removeElem(element) { + var i, + key, + nextElem, + parent; + + if (element.ref.remove()) { + // When the reference is an element of an array. + key = element.ref.key; + parent = element.ref.parent; + + // If removed from array, then decrease following items' keys. + i = worklist.length; + while (i--) { + nextElem = worklist[i]; + if (nextElem.ref && nextElem.ref.parent === parent) { + if (nextElem.ref.key < key) { + break; + } + --nextElem.ref.key; + } + } + } + } + + this.__initialize(root, visitor); + + sentinel = {}; + + // reference + worklist = this.__worklist; + leavelist = this.__leavelist; + + // initialize + outer = { + root: root + }; + element = new Element(root, null, null, new Reference(outer, 'root')); + worklist.push(element); + leavelist.push(element); + + while (worklist.length) { + element = worklist.pop(); + + if (element === sentinel) { + element = leavelist.pop(); + + target = this.__execute(visitor.leave, element); + + // node may be replaced with null, + // so distinguish between undefined and null in this place + if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) { + // replace + element.ref.replace(target); + } + + if (this.__state === REMOVE || target === REMOVE) { + removeElem(element); + } + + if (this.__state === BREAK || target === BREAK) { + return outer.root; + } + continue; + } + + target = this.__execute(visitor.enter, element); + + // node may be replaced with null, + // so distinguish between undefined and null in this place + if (target !== undefined && target !== BREAK && target !== SKIP && target !== REMOVE) { + // replace + element.ref.replace(target); + element.node = target; + } + + if (this.__state === REMOVE || target === REMOVE) { + removeElem(element); + element.node = null; + } + + if (this.__state === BREAK || target === BREAK) { + return outer.root; + } + + // node may be null + node = element.node; + if (!node) { + continue; + } + + worklist.push(sentinel); + leavelist.push(element); + + if (this.__state === SKIP || target === SKIP) { + continue; + } + + nodeType = node.type || element.wrap; + candidates = this.__keys[nodeType]; + if (!candidates) { + if (this.__fallback) { + candidates = this.__fallback(node); + } else { + throw new Error('Unknown node type ' + nodeType + '.'); + } + } + + current = candidates.length; + while ((current -= 1) >= 0) { + key = candidates[current]; + candidate = node[key]; + if (!candidate) { + continue; + } + + if (Array.isArray(candidate)) { + current2 = candidate.length; + while ((current2 -= 1) >= 0) { + if (!candidate[current2]) { + continue; + } + if (isProperty(nodeType, candidates[current])) { + element = new Element(candidate[current2], [key, current2], 'Property', new Reference(candidate, current2)); + } else if (isNode(candidate[current2])) { + element = new Element(candidate[current2], [key, current2], null, new Reference(candidate, current2)); + } else { + continue; + } + worklist.push(element); + } + } else if (isNode(candidate)) { + worklist.push(new Element(candidate, key, null, new Reference(node, key))); + } + } + } + + return outer.root; + }; + + function traverse(root, visitor) { + var controller = new Controller(); + return controller.traverse(root, visitor); + } + + function replace(root, visitor) { + var controller = new Controller(); + return controller.replace(root, visitor); + } + + function extendCommentRange(comment, tokens) { + var target; + + target = upperBound(tokens, function search(token) { + return token.range[0] > comment.range[0]; + }); + + comment.extendedRange = [comment.range[0], comment.range[1]]; + + if (target !== tokens.length) { + comment.extendedRange[1] = tokens[target].range[0]; + } + + target -= 1; + if (target >= 0) { + comment.extendedRange[0] = tokens[target].range[1]; + } + + return comment; + } + + function attachComments(tree, providedComments, tokens) { + // At first, we should calculate extended comment ranges. + var comments = [], comment, len, i, cursor; + + if (!tree.range) { + throw new Error('attachComments needs range information'); + } + + // tokens array is empty, we attach comments to tree as 'leadingComments' + if (!tokens.length) { + if (providedComments.length) { + for (i = 0, len = providedComments.length; i < len; i += 1) { + comment = deepCopy(providedComments[i]); + comment.extendedRange = [0, tree.range[0]]; + comments.push(comment); + } + tree.leadingComments = comments; + } + return tree; + } + + for (i = 0, len = providedComments.length; i < len; i += 1) { + comments.push(extendCommentRange(deepCopy(providedComments[i]), tokens)); + } + + // This is based on John Freeman's implementation. + cursor = 0; + traverse(tree, { + enter: function (node) { + var comment; + + while (cursor < comments.length) { + comment = comments[cursor]; + if (comment.extendedRange[1] > node.range[0]) { + break; + } + + if (comment.extendedRange[1] === node.range[0]) { + if (!node.leadingComments) { + node.leadingComments = []; + } + node.leadingComments.push(comment); + comments.splice(cursor, 1); + } else { + cursor += 1; + } + } + + // already out of owned node + if (cursor === comments.length) { + return VisitorOption.Break; + } + + if (comments[cursor].extendedRange[0] > node.range[1]) { + return VisitorOption.Skip; + } + } + }); + + cursor = 0; + traverse(tree, { + leave: function (node) { + var comment; + + while (cursor < comments.length) { + comment = comments[cursor]; + if (node.range[1] < comment.extendedRange[0]) { + break; + } + + if (node.range[1] === comment.extendedRange[0]) { + if (!node.trailingComments) { + node.trailingComments = []; + } + node.trailingComments.push(comment); + comments.splice(cursor, 1); + } else { + cursor += 1; + } + } + + // already out of owned node + if (cursor === comments.length) { + return VisitorOption.Break; + } + + if (comments[cursor].extendedRange[0] > node.range[1]) { + return VisitorOption.Skip; + } + } + }); + + return tree; + } + + exports.Syntax = Syntax; + exports.traverse = traverse; + exports.replace = replace; + exports.attachComments = attachComments; + exports.VisitorKeys = VisitorKeys; + exports.VisitorOption = VisitorOption; + exports.Controller = Controller; + exports.cloneEnvironment = function () { return clone({}); }; + + return exports; +}(exports)); +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/estraverse/gulpfile.js b/module/node_modules/estraverse/gulpfile.js new file mode 100644 index 000000000..8772bbcca --- /dev/null +++ b/module/node_modules/estraverse/gulpfile.js @@ -0,0 +1,70 @@ +/* + Copyright (C) 2014 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +'use strict'; + +var gulp = require('gulp'), + git = require('gulp-git'), + bump = require('gulp-bump'), + filter = require('gulp-filter'), + tagVersion = require('gulp-tag-version'); + +var TEST = [ 'test/*.js' ]; +var POWERED = [ 'powered-test/*.js' ]; +var SOURCE = [ 'src/**/*.js' ]; + +/** + * Bumping version number and tagging the repository with it. + * Please read http://semver.org/ + * + * You can use the commands + * + * gulp patch # makes v0.1.0 -> v0.1.1 + * gulp feature # makes v0.1.1 -> v0.2.0 + * gulp release # makes v0.2.1 -> v1.0.0 + * + * To bump the version numbers accordingly after you did a patch, + * introduced a feature or made a backwards-incompatible release. + */ + +function inc(importance) { + // get all the files to bump version in + return gulp.src(['./package.json']) + // bump the version number in those files + .pipe(bump({type: importance})) + // save it back to filesystem + .pipe(gulp.dest('./')) + // commit the changed version number + .pipe(git.commit('Bumps package version')) + // read only one file to get the version number + .pipe(filter('package.json')) + // **tag it in the repository** + .pipe(tagVersion({ + prefix: '' + })); +} + +gulp.task('patch', [ ], function () { return inc('patch'); }) +gulp.task('minor', [ ], function () { return inc('minor'); }) +gulp.task('major', [ ], function () { return inc('major'); }) diff --git a/module/node_modules/estraverse/package.json b/module/node_modules/estraverse/package.json new file mode 100644 index 000000000..a86321850 --- /dev/null +++ b/module/node_modules/estraverse/package.json @@ -0,0 +1,40 @@ +{ + "name": "estraverse", + "description": "ECMAScript JS AST traversal functions", + "homepage": "https://github.com/estools/estraverse", + "main": "estraverse.js", + "version": "5.3.0", + "engines": { + "node": ">=4.0" + }, + "maintainers": [ + { + "name": "Yusuke Suzuki", + "email": "utatane.tea@gmail.com", + "web": "http://github.com/Constellation" + } + ], + "repository": { + "type": "git", + "url": "http://github.com/estools/estraverse.git" + }, + "devDependencies": { + "babel-preset-env": "^1.6.1", + "babel-register": "^6.3.13", + "chai": "^2.1.1", + "espree": "^1.11.0", + "gulp": "^3.8.10", + "gulp-bump": "^0.2.2", + "gulp-filter": "^2.0.0", + "gulp-git": "^1.0.1", + "gulp-tag-version": "^1.3.0", + "jshint": "^2.5.6", + "mocha": "^2.1.0" + }, + "license": "BSD-2-Clause", + "scripts": { + "test": "npm run-script lint && npm run-script unit-test", + "lint": "jshint estraverse.js", + "unit-test": "mocha --compilers js:babel-register" + } +} diff --git a/module/node_modules/esutils/LICENSE.BSD b/module/node_modules/esutils/LICENSE.BSD new file mode 100644 index 000000000..3e580c355 --- /dev/null +++ b/module/node_modules/esutils/LICENSE.BSD @@ -0,0 +1,19 @@ +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/module/node_modules/esutils/README.md b/module/node_modules/esutils/README.md new file mode 100644 index 000000000..517526cfb --- /dev/null +++ b/module/node_modules/esutils/README.md @@ -0,0 +1,174 @@ +### esutils [![Build Status](https://secure.travis-ci.org/estools/esutils.svg)](http://travis-ci.org/estools/esutils) +esutils ([esutils](http://github.com/estools/esutils)) is +utility box for ECMAScript language tools. + +### API + +### ast + +#### ast.isExpression(node) + +Returns true if `node` is an Expression as defined in ECMA262 edition 5.1 section +[11](https://es5.github.io/#x11). + +#### ast.isStatement(node) + +Returns true if `node` is a Statement as defined in ECMA262 edition 5.1 section +[12](https://es5.github.io/#x12). + +#### ast.isIterationStatement(node) + +Returns true if `node` is an IterationStatement as defined in ECMA262 edition +5.1 section [12.6](https://es5.github.io/#x12.6). + +#### ast.isSourceElement(node) + +Returns true if `node` is a SourceElement as defined in ECMA262 edition 5.1 +section [14](https://es5.github.io/#x14). + +#### ast.trailingStatement(node) + +Returns `Statement?` if `node` has trailing `Statement`. +```js +if (cond) + consequent; +``` +When taking this `IfStatement`, returns `consequent;` statement. + +#### ast.isProblematicIfStatement(node) + +Returns true if `node` is a problematic IfStatement. If `node` is a problematic `IfStatement`, `node` cannot be represented as an one on one JavaScript code. +```js +{ + type: 'IfStatement', + consequent: { + type: 'WithStatement', + body: { + type: 'IfStatement', + consequent: {type: 'EmptyStatement'} + } + }, + alternate: {type: 'EmptyStatement'} +} +``` +The above node cannot be represented as a JavaScript code, since the top level `else` alternate belongs to an inner `IfStatement`. + + +### code + +#### code.isDecimalDigit(code) + +Return true if provided code is decimal digit. + +#### code.isHexDigit(code) + +Return true if provided code is hexadecimal digit. + +#### code.isOctalDigit(code) + +Return true if provided code is octal digit. + +#### code.isWhiteSpace(code) + +Return true if provided code is white space. White space characters are formally defined in ECMA262. + +#### code.isLineTerminator(code) + +Return true if provided code is line terminator. Line terminator characters are formally defined in ECMA262. + +#### code.isIdentifierStart(code) + +Return true if provided code can be the first character of ECMA262 Identifier. They are formally defined in ECMA262. + +#### code.isIdentifierPart(code) + +Return true if provided code can be the trailing character of ECMA262 Identifier. They are formally defined in ECMA262. + +### keyword + +#### keyword.isKeywordES5(id, strict) + +Returns `true` if provided identifier string is a Keyword or Future Reserved Word +in ECMA262 edition 5.1. They are formally defined in ECMA262 sections +[7.6.1.1](http://es5.github.io/#x7.6.1.1) and [7.6.1.2](http://es5.github.io/#x7.6.1.2), +respectively. If the `strict` flag is truthy, this function additionally checks whether +`id` is a Keyword or Future Reserved Word under strict mode. + +#### keyword.isKeywordES6(id, strict) + +Returns `true` if provided identifier string is a Keyword or Future Reserved Word +in ECMA262 edition 6. They are formally defined in ECMA262 sections +[11.6.2.1](http://ecma-international.org/ecma-262/6.0/#sec-keywords) and +[11.6.2.2](http://ecma-international.org/ecma-262/6.0/#sec-future-reserved-words), +respectively. If the `strict` flag is truthy, this function additionally checks whether +`id` is a Keyword or Future Reserved Word under strict mode. + +#### keyword.isReservedWordES5(id, strict) + +Returns `true` if provided identifier string is a Reserved Word in ECMA262 edition 5.1. +They are formally defined in ECMA262 section [7.6.1](http://es5.github.io/#x7.6.1). +If the `strict` flag is truthy, this function additionally checks whether `id` +is a Reserved Word under strict mode. + +#### keyword.isReservedWordES6(id, strict) + +Returns `true` if provided identifier string is a Reserved Word in ECMA262 edition 6. +They are formally defined in ECMA262 section [11.6.2](http://ecma-international.org/ecma-262/6.0/#sec-reserved-words). +If the `strict` flag is truthy, this function additionally checks whether `id` +is a Reserved Word under strict mode. + +#### keyword.isRestrictedWord(id) + +Returns `true` if provided identifier string is one of `eval` or `arguments`. +They are restricted in strict mode code throughout ECMA262 edition 5.1 and +in ECMA262 edition 6 section [12.1.1](http://ecma-international.org/ecma-262/6.0/#sec-identifiers-static-semantics-early-errors). + +#### keyword.isIdentifierNameES5(id) + +Return true if provided identifier string is an IdentifierName as specified in +ECMA262 edition 5.1 section [7.6](https://es5.github.io/#x7.6). + +#### keyword.isIdentifierNameES6(id) + +Return true if provided identifier string is an IdentifierName as specified in +ECMA262 edition 6 section [11.6](http://ecma-international.org/ecma-262/6.0/#sec-names-and-keywords). + +#### keyword.isIdentifierES5(id, strict) + +Return true if provided identifier string is an Identifier as specified in +ECMA262 edition 5.1 section [7.6](https://es5.github.io/#x7.6). If the `strict` +flag is truthy, this function additionally checks whether `id` is an Identifier +under strict mode. + +#### keyword.isIdentifierES6(id, strict) + +Return true if provided identifier string is an Identifier as specified in +ECMA262 edition 6 section [12.1](http://ecma-international.org/ecma-262/6.0/#sec-identifiers). +If the `strict` flag is truthy, this function additionally checks whether `id` +is an Identifier under strict mode. + +### License + +Copyright (C) 2013 [Yusuke Suzuki](http://github.com/Constellation) + (twitter: [@Constellation](http://twitter.com/Constellation)) and other contributors. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/module/node_modules/esutils/lib/ast.js b/module/node_modules/esutils/lib/ast.js new file mode 100644 index 000000000..8faadae1c --- /dev/null +++ b/module/node_modules/esutils/lib/ast.js @@ -0,0 +1,144 @@ +/* + Copyright (C) 2013 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +(function () { + 'use strict'; + + function isExpression(node) { + if (node == null) { return false; } + switch (node.type) { + case 'ArrayExpression': + case 'AssignmentExpression': + case 'BinaryExpression': + case 'CallExpression': + case 'ConditionalExpression': + case 'FunctionExpression': + case 'Identifier': + case 'Literal': + case 'LogicalExpression': + case 'MemberExpression': + case 'NewExpression': + case 'ObjectExpression': + case 'SequenceExpression': + case 'ThisExpression': + case 'UnaryExpression': + case 'UpdateExpression': + return true; + } + return false; + } + + function isIterationStatement(node) { + if (node == null) { return false; } + switch (node.type) { + case 'DoWhileStatement': + case 'ForInStatement': + case 'ForStatement': + case 'WhileStatement': + return true; + } + return false; + } + + function isStatement(node) { + if (node == null) { return false; } + switch (node.type) { + case 'BlockStatement': + case 'BreakStatement': + case 'ContinueStatement': + case 'DebuggerStatement': + case 'DoWhileStatement': + case 'EmptyStatement': + case 'ExpressionStatement': + case 'ForInStatement': + case 'ForStatement': + case 'IfStatement': + case 'LabeledStatement': + case 'ReturnStatement': + case 'SwitchStatement': + case 'ThrowStatement': + case 'TryStatement': + case 'VariableDeclaration': + case 'WhileStatement': + case 'WithStatement': + return true; + } + return false; + } + + function isSourceElement(node) { + return isStatement(node) || node != null && node.type === 'FunctionDeclaration'; + } + + function trailingStatement(node) { + switch (node.type) { + case 'IfStatement': + if (node.alternate != null) { + return node.alternate; + } + return node.consequent; + + case 'LabeledStatement': + case 'ForStatement': + case 'ForInStatement': + case 'WhileStatement': + case 'WithStatement': + return node.body; + } + return null; + } + + function isProblematicIfStatement(node) { + var current; + + if (node.type !== 'IfStatement') { + return false; + } + if (node.alternate == null) { + return false; + } + current = node.consequent; + do { + if (current.type === 'IfStatement') { + if (current.alternate == null) { + return true; + } + } + current = trailingStatement(current); + } while (current); + + return false; + } + + module.exports = { + isExpression: isExpression, + isStatement: isStatement, + isIterationStatement: isIterationStatement, + isSourceElement: isSourceElement, + isProblematicIfStatement: isProblematicIfStatement, + + trailingStatement: trailingStatement + }; +}()); +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/esutils/lib/code.js b/module/node_modules/esutils/lib/code.js new file mode 100644 index 000000000..23136af91 --- /dev/null +++ b/module/node_modules/esutils/lib/code.js @@ -0,0 +1,135 @@ +/* + Copyright (C) 2013-2014 Yusuke Suzuki + Copyright (C) 2014 Ivan Nikulin + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +(function () { + 'use strict'; + + var ES6Regex, ES5Regex, NON_ASCII_WHITESPACES, IDENTIFIER_START, IDENTIFIER_PART, ch; + + // See `tools/generate-identifier-regex.js`. + ES5Regex = { + // ECMAScript 5.1/Unicode v9.0.0 NonAsciiIdentifierStart: + NonAsciiIdentifierStart: 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+ // ECMAScript 5.1/Unicode v9.0.0 NonAsciiIdentifierPart: + NonAsciiIdentifierPart: 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+ }; + + ES6Regex = { + // ECMAScript 6/Unicode v9.0.0 NonAsciiIdentifierStart: + NonAsciiIdentifierStart: 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uDC03-\uDC37\uDC83-\uDCAF\uDCD0-\uDCE8\uDD03-\uDD26\uDD50-\uDD72\uDD76\uDD83-\uDDB2\uDDC1-\uDDC4\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE2B\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEDE\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3D\uDF50\uDF5D-\uDF61]|\uD805[\uDC00-\uDC34\uDC47-\uDC4A\uDC80-\uDCAF\uDCC4\uDCC5\uDCC7\uDD80-\uDDAE\uDDD8-\uDDDB\uDE00-\uDE2F\uDE44\uDE80-\uDEAA\uDF00-\uDF19]|\uD806[\uDCA0-\uDCDF\uDCFF\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC2E\uDC40\uDC72-\uDC8F]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDED0-\uDEED\uDF00-\uDF2F\uDF40-\uDF43\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDF00-\uDF44\uDF50\uDF93-\uDF9F\uDFE0]|\uD821[\uDC00-\uDFEC]|\uD822[\uDC00-\uDEF2]|\uD82C[\uDC00\uDC01]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB]|\uD83A[\uDC00-\uDCC4\uDD00-\uDD43]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1]|\uD87E[\uDC00-\uDE1D]/, + // ECMAScript 6/Unicode v9.0.0 NonAsciiIdentifierPart: + NonAsciiIdentifierPart: /[\xAA\xB5\xB7\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u08A0-\u08B4\u08B6-\u08BD\u08D4-\u08E1\u08E3-\u0963\u0966-\u096F\u0971-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0AF9\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C00-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58-\u0C5A\u0C60-\u0C63\u0C66-\u0C6F\u0C80-\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D01-\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D54-\u0D57\u0D5F-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1369-\u1371\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19DA\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1AB0-\u1ABD\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1C80-\u1C88\u1CD0-\u1CD2\u1CD4-\u1CF6\u1CF8\u1CF9\u1D00-\u1DF5\u1DFB-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u200C\u200D\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2118-\u211D\u2124\u2126\u2128\u212A-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FD5\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66F\uA674-\uA67D\uA67F-\uA6F1\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AE\uA7B0-\uA7B7\uA7F7-\uA827\uA840-\uA873\uA880-\uA8C5\uA8D0-\uA8D9\uA8E0-\uA8F7\uA8FB\uA8FD\uA900-\uA92D\uA930-\uA953\uA960-\uA97C\uA980-\uA9C0\uA9CF-\uA9D9\uA9E0-\uA9FE\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA60-\uAA76\uAA7A-\uAAC2\uAADB-\uAADD\uAAE0-\uAAEF\uAAF2-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABEA\uABEC\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE00-\uFE0F\uFE20-\uFE2F\uFE33\uFE34\uFE4D-\uFE4F\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\uFF3F\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDDFD\uDE80-\uDE9C\uDEA0-\uDED0\uDEE0\uDF00-\uDF1F\uDF30-\uDF4A\uDF50-\uDF7A\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDCB0-\uDCD3\uDCD8-\uDCFB\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00-\uDE03\uDE05\uDE06\uDE0C-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE38-\uDE3A\uDE3F\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE6\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2]|\uD804[\uDC00-\uDC46\uDC66-\uDC6F\uDC7F-\uDCBA\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD00-\uDD34\uDD36-\uDD3F\uDD50-\uDD73\uDD76\uDD80-\uDDC4\uDDCA-\uDDCC\uDDD0-\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE37\uDE3E\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEEA\uDEF0-\uDEF9\uDF00-\uDF03\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3C-\uDF44\uDF47\uDF48\uDF4B-\uDF4D\uDF50\uDF57\uDF5D-\uDF63\uDF66-\uDF6C\uDF70-\uDF74]|\uD805[\uDC00-\uDC4A\uDC50-\uDC59\uDC80-\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDB5\uDDB8-\uDDC0\uDDD8-\uDDDD\uDE00-\uDE40\uDE44\uDE50-\uDE59\uDE80-\uDEB7\uDEC0-\uDEC9\uDF00-\uDF19\uDF1D-\uDF2B\uDF30-\uDF39]|\uD806[\uDCA0-\uDCE9\uDCFF\uDEC0-\uDEF8]|\uD807[\uDC00-\uDC08\uDC0A-\uDC36\uDC38-\uDC40\uDC50-\uDC59\uDC72-\uDC8F\uDC92-\uDCA7\uDCA9-\uDCB6]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD81C-\uD820\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDED0-\uDEED\uDEF0-\uDEF4\uDF00-\uDF36\uDF40-\uDF43\uDF50-\uDF59\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDF00-\uDF44\uDF50-\uDF7E\uDF8F-\uDF9F\uDFE0]|\uD821[\uDC00-\uDFEC]|\uD822[\uDC00-\uDEF2]|\uD82C[\uDC00\uDC01]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99\uDC9D\uDC9E]|\uD834[\uDD65-\uDD69\uDD6D-\uDD72\uDD7B-\uDD82\uDD85-\uDD8B\uDDAA-\uDDAD\uDE42-\uDE44]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD836[\uDE00-\uDE36\uDE3B-\uDE6C\uDE75\uDE84\uDE9B-\uDE9F\uDEA1-\uDEAF]|\uD838[\uDC00-\uDC06\uDC08-\uDC18\uDC1B-\uDC21\uDC23\uDC24\uDC26-\uDC2A]|\uD83A[\uDC00-\uDCC4\uDCD0-\uDCD6\uDD00-\uDD4A\uDD50-\uDD59]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1]|\uD87E[\uDC00-\uDE1D]|\uDB40[\uDD00-\uDDEF]/ + }; + + function isDecimalDigit(ch) { + return 0x30 <= ch && ch <= 0x39; // 0..9 + } + + function isHexDigit(ch) { + return 0x30 <= ch && ch <= 0x39 || // 0..9 + 0x61 <= ch && ch <= 0x66 || // a..f + 0x41 <= ch && ch <= 0x46; // A..F + } + + function isOctalDigit(ch) { + return ch >= 0x30 && ch <= 0x37; // 0..7 + } + + // 7.2 White Space + + NON_ASCII_WHITESPACES = [ + 0x1680, + 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, + 0x202F, 0x205F, + 0x3000, + 0xFEFF + ]; + + function isWhiteSpace(ch) { + return ch === 0x20 || ch === 0x09 || ch === 0x0B || ch === 0x0C || ch === 0xA0 || + ch >= 0x1680 && NON_ASCII_WHITESPACES.indexOf(ch) >= 0; + } + + // 7.3 Line Terminators + + function isLineTerminator(ch) { + return ch === 0x0A || ch === 0x0D || ch === 0x2028 || ch === 0x2029; + } + + // 7.6 Identifier Names and Identifiers + + function fromCodePoint(cp) { + if (cp <= 0xFFFF) { return String.fromCharCode(cp); } + var cu1 = String.fromCharCode(Math.floor((cp - 0x10000) / 0x400) + 0xD800); + var cu2 = String.fromCharCode(((cp - 0x10000) % 0x400) + 0xDC00); + return cu1 + cu2; + } + + IDENTIFIER_START = new Array(0x80); + for(ch = 0; ch < 0x80; ++ch) { + IDENTIFIER_START[ch] = + ch >= 0x61 && ch <= 0x7A || // a..z + ch >= 0x41 && ch <= 0x5A || // A..Z + ch === 0x24 || ch === 0x5F; // $ (dollar) and _ (underscore) + } + + IDENTIFIER_PART = new Array(0x80); + for(ch = 0; ch < 0x80; ++ch) { + IDENTIFIER_PART[ch] = + ch >= 0x61 && ch <= 0x7A || // a..z + ch >= 0x41 && ch <= 0x5A || // A..Z + ch >= 0x30 && ch <= 0x39 || // 0..9 + ch === 0x24 || ch === 0x5F; // $ (dollar) and _ (underscore) + } + + function isIdentifierStartES5(ch) { + return ch < 0x80 ? IDENTIFIER_START[ch] : ES5Regex.NonAsciiIdentifierStart.test(fromCodePoint(ch)); + } + + function isIdentifierPartES5(ch) { + return ch < 0x80 ? IDENTIFIER_PART[ch] : ES5Regex.NonAsciiIdentifierPart.test(fromCodePoint(ch)); + } + + function isIdentifierStartES6(ch) { + return ch < 0x80 ? IDENTIFIER_START[ch] : ES6Regex.NonAsciiIdentifierStart.test(fromCodePoint(ch)); + } + + function isIdentifierPartES6(ch) { + return ch < 0x80 ? IDENTIFIER_PART[ch] : ES6Regex.NonAsciiIdentifierPart.test(fromCodePoint(ch)); + } + + module.exports = { + isDecimalDigit: isDecimalDigit, + isHexDigit: isHexDigit, + isOctalDigit: isOctalDigit, + isWhiteSpace: isWhiteSpace, + isLineTerminator: isLineTerminator, + isIdentifierStartES5: isIdentifierStartES5, + isIdentifierPartES5: isIdentifierPartES5, + isIdentifierStartES6: isIdentifierStartES6, + isIdentifierPartES6: isIdentifierPartES6 + }; +}()); +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/esutils/lib/keyword.js b/module/node_modules/esutils/lib/keyword.js new file mode 100644 index 000000000..13c8c6a96 --- /dev/null +++ b/module/node_modules/esutils/lib/keyword.js @@ -0,0 +1,165 @@ +/* + Copyright (C) 2013 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +(function () { + 'use strict'; + + var code = require('./code'); + + function isStrictModeReservedWordES6(id) { + switch (id) { + case 'implements': + case 'interface': + case 'package': + case 'private': + case 'protected': + case 'public': + case 'static': + case 'let': + return true; + default: + return false; + } + } + + function isKeywordES5(id, strict) { + // yield should not be treated as keyword under non-strict mode. + if (!strict && id === 'yield') { + return false; + } + return isKeywordES6(id, strict); + } + + function isKeywordES6(id, strict) { + if (strict && isStrictModeReservedWordES6(id)) { + return true; + } + + switch (id.length) { + case 2: + return (id === 'if') || (id === 'in') || (id === 'do'); + case 3: + return (id === 'var') || (id === 'for') || (id === 'new') || (id === 'try'); + case 4: + return (id === 'this') || (id === 'else') || (id === 'case') || + (id === 'void') || (id === 'with') || (id === 'enum'); + case 5: + return (id === 'while') || (id === 'break') || (id === 'catch') || + (id === 'throw') || (id === 'const') || (id === 'yield') || + (id === 'class') || (id === 'super'); + case 6: + return (id === 'return') || (id === 'typeof') || (id === 'delete') || + (id === 'switch') || (id === 'export') || (id === 'import'); + case 7: + return (id === 'default') || (id === 'finally') || (id === 'extends'); + case 8: + return (id === 'function') || (id === 'continue') || (id === 'debugger'); + case 10: + return (id === 'instanceof'); + default: + return false; + } + } + + function isReservedWordES5(id, strict) { + return id === 'null' || id === 'true' || id === 'false' || isKeywordES5(id, strict); + } + + function isReservedWordES6(id, strict) { + return id === 'null' || id === 'true' || id === 'false' || isKeywordES6(id, strict); + } + + function isRestrictedWord(id) { + return id === 'eval' || id === 'arguments'; + } + + function isIdentifierNameES5(id) { + var i, iz, ch; + + if (id.length === 0) { return false; } + + ch = id.charCodeAt(0); + if (!code.isIdentifierStartES5(ch)) { + return false; + } + + for (i = 1, iz = id.length; i < iz; ++i) { + ch = id.charCodeAt(i); + if (!code.isIdentifierPartES5(ch)) { + return false; + } + } + return true; + } + + function decodeUtf16(lead, trail) { + return (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000; + } + + function isIdentifierNameES6(id) { + var i, iz, ch, lowCh, check; + + if (id.length === 0) { return false; } + + check = code.isIdentifierStartES6; + for (i = 0, iz = id.length; i < iz; ++i) { + ch = id.charCodeAt(i); + if (0xD800 <= ch && ch <= 0xDBFF) { + ++i; + if (i >= iz) { return false; } + lowCh = id.charCodeAt(i); + if (!(0xDC00 <= lowCh && lowCh <= 0xDFFF)) { + return false; + } + ch = decodeUtf16(ch, lowCh); + } + if (!check(ch)) { + return false; + } + check = code.isIdentifierPartES6; + } + return true; + } + + function isIdentifierES5(id, strict) { + return isIdentifierNameES5(id) && !isReservedWordES5(id, strict); + } + + function isIdentifierES6(id, strict) { + return isIdentifierNameES6(id) && !isReservedWordES6(id, strict); + } + + module.exports = { + isKeywordES5: isKeywordES5, + isKeywordES6: isKeywordES6, + isReservedWordES5: isReservedWordES5, + isReservedWordES6: isReservedWordES6, + isRestrictedWord: isRestrictedWord, + isIdentifierNameES5: isIdentifierNameES5, + isIdentifierNameES6: isIdentifierNameES6, + isIdentifierES5: isIdentifierES5, + isIdentifierES6: isIdentifierES6 + }; +}()); +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/esutils/lib/utils.js b/module/node_modules/esutils/lib/utils.js new file mode 100644 index 000000000..ce18faa6b --- /dev/null +++ b/module/node_modules/esutils/lib/utils.js @@ -0,0 +1,33 @@ +/* + Copyright (C) 2013 Yusuke Suzuki + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +(function () { + 'use strict'; + + exports.ast = require('./ast'); + exports.code = require('./code'); + exports.keyword = require('./keyword'); +}()); +/* vim: set sw=4 ts=4 et tw=80 : */ diff --git a/module/node_modules/esutils/package.json b/module/node_modules/esutils/package.json new file mode 100644 index 000000000..8396f4cee --- /dev/null +++ b/module/node_modules/esutils/package.json @@ -0,0 +1,44 @@ +{ + "name": "esutils", + "description": "utility box for ECMAScript language tools", + "homepage": "https://github.com/estools/esutils", + "main": "lib/utils.js", + "version": "2.0.3", + "engines": { + "node": ">=0.10.0" + }, + "directories": { + "lib": "./lib" + }, + "files": [ + "LICENSE.BSD", + "README.md", + "lib" + ], + "maintainers": [ + { + "name": "Yusuke Suzuki", + "email": "utatane.tea@gmail.com", + "web": "http://github.com/Constellation" + } + ], + "repository": { + "type": "git", + "url": "http://github.com/estools/esutils.git" + }, + "devDependencies": { + "chai": "~1.7.2", + "coffee-script": "~1.6.3", + "jshint": "2.6.3", + "mocha": "~2.2.1", + "regenerate": "~1.3.1", + "unicode-9.0.0": "~0.7.0" + }, + "license": "BSD-2-Clause", + "scripts": { + "test": "npm run-script lint && npm run-script unit-test", + "lint": "jshint lib/*.js", + "unit-test": "mocha --compilers coffee:coffee-script -R spec", + "generate-regex": "node tools/generate-identifier-regex.js" + } +} diff --git a/module/node_modules/fast-deep-equal/LICENSE b/module/node_modules/fast-deep-equal/LICENSE new file mode 100644 index 000000000..7f1543566 --- /dev/null +++ b/module/node_modules/fast-deep-equal/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2017 Evgeny Poberezkin + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/module/node_modules/fast-deep-equal/README.md b/module/node_modules/fast-deep-equal/README.md new file mode 100644 index 000000000..d3f4ffcc3 --- /dev/null +++ b/module/node_modules/fast-deep-equal/README.md @@ -0,0 +1,96 @@ +# fast-deep-equal +The fastest deep equal with ES6 Map, Set and Typed arrays support. + +[![Build Status](https://travis-ci.org/epoberezkin/fast-deep-equal.svg?branch=master)](https://travis-ci.org/epoberezkin/fast-deep-equal) +[![npm](https://img.shields.io/npm/v/fast-deep-equal.svg)](https://www.npmjs.com/package/fast-deep-equal) +[![Coverage Status](https://coveralls.io/repos/github/epoberezkin/fast-deep-equal/badge.svg?branch=master)](https://coveralls.io/github/epoberezkin/fast-deep-equal?branch=master) + + +## Install + +```bash +npm install fast-deep-equal +``` + + +## Features + +- ES5 compatible +- works in node.js (8+) and browsers (IE9+) +- checks equality of Date and RegExp objects by value. + +ES6 equal (`require('fast-deep-equal/es6')`) also supports: +- Maps +- Sets +- Typed arrays + + +## Usage + +```javascript +var equal = require('fast-deep-equal'); +console.log(equal({foo: 'bar'}, {foo: 'bar'})); // true +``` + +To support ES6 Maps, Sets and Typed arrays equality use: + +```javascript +var equal = require('fast-deep-equal/es6'); +console.log(equal(Int16Array([1, 2]), Int16Array([1, 2]))); // true +``` + +To use with React (avoiding the traversal of React elements' _owner +property that contains circular references and is not needed when +comparing the elements - borrowed from [react-fast-compare](https://github.com/FormidableLabs/react-fast-compare)): + +```javascript +var equal = require('fast-deep-equal/react'); +var equal = require('fast-deep-equal/es6/react'); +``` + + +## Performance benchmark + +Node.js v12.6.0: + +``` +fast-deep-equal x 261,950 ops/sec ±0.52% (89 runs sampled) +fast-deep-equal/es6 x 212,991 ops/sec ±0.34% (92 runs sampled) +fast-equals x 230,957 ops/sec ±0.83% (85 runs sampled) +nano-equal x 187,995 ops/sec ±0.53% (88 runs sampled) +shallow-equal-fuzzy x 138,302 ops/sec ±0.49% (90 runs sampled) +underscore.isEqual x 74,423 ops/sec ±0.38% (89 runs sampled) +lodash.isEqual x 36,637 ops/sec ±0.72% (90 runs sampled) +deep-equal x 2,310 ops/sec ±0.37% (90 runs sampled) +deep-eql x 35,312 ops/sec ±0.67% (91 runs sampled) +ramda.equals x 12,054 ops/sec ±0.40% (91 runs sampled) +util.isDeepStrictEqual x 46,440 ops/sec ±0.43% (90 runs sampled) +assert.deepStrictEqual x 456 ops/sec ±0.71% (88 runs sampled) + +The fastest is fast-deep-equal +``` + +To run benchmark (requires node.js 6+): + +```bash +npm run benchmark +``` + +__Please note__: this benchmark runs against the available test cases. To choose the most performant library for your application, it is recommended to benchmark against your data and to NOT expect this benchmark to reflect the performance difference in your application. + + +## Enterprise support + +fast-deep-equal package is a part of [Tidelift enterprise subscription](https://tidelift.com/subscription/pkg/npm-fast-deep-equal?utm_source=npm-fast-deep-equal&utm_medium=referral&utm_campaign=enterprise&utm_term=repo) - it provides a centralised commercial support to open-source software users, in addition to the support provided by software maintainers. + + +## Security contact + +To report a security vulnerability, please use the +[Tidelift security contact](https://tidelift.com/security). +Tidelift will coordinate the fix and disclosure. Please do NOT report security vulnerability via GitHub issues. + + +## License + +[MIT](https://github.com/epoberezkin/fast-deep-equal/blob/master/LICENSE) diff --git a/module/node_modules/fast-deep-equal/es6/index.d.ts b/module/node_modules/fast-deep-equal/es6/index.d.ts new file mode 100644 index 000000000..c7eb9c796 --- /dev/null +++ b/module/node_modules/fast-deep-equal/es6/index.d.ts @@ -0,0 +1,2 @@ +declare const equal: (a: any, b: any) => boolean; +export = equal; diff --git a/module/node_modules/fast-deep-equal/es6/index.js b/module/node_modules/fast-deep-equal/es6/index.js new file mode 100644 index 000000000..d980be257 --- /dev/null +++ b/module/node_modules/fast-deep-equal/es6/index.js @@ -0,0 +1,72 @@ +'use strict'; + +// do not edit .js files directly - edit src/index.jst + + + var envHasBigInt64Array = typeof BigInt64Array !== 'undefined'; + + +module.exports = function equal(a, b) { + if (a === b) return true; + + if (a && b && typeof a == 'object' && typeof b == 'object') { + if (a.constructor !== b.constructor) return false; + + var length, i, keys; + if (Array.isArray(a)) { + length = a.length; + if (length != b.length) return false; + for (i = length; i-- !== 0;) + if (!equal(a[i], b[i])) return false; + return true; + } + + + if ((a instanceof Map) && (b instanceof Map)) { + if (a.size !== b.size) return false; + for (i of a.entries()) + if (!b.has(i[0])) return false; + for (i of a.entries()) + if (!equal(i[1], b.get(i[0]))) return false; + return true; + } + + if ((a instanceof Set) && (b instanceof Set)) { + if (a.size !== b.size) return false; + for (i of a.entries()) + if (!b.has(i[0])) return false; + return true; + } + + if (ArrayBuffer.isView(a) && ArrayBuffer.isView(b)) { + length = a.length; + if (length != b.length) return false; + for (i = length; i-- !== 0;) + if (a[i] !== b[i]) return false; + return true; + } + + + if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags; + if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf(); + if (a.toString !== Object.prototype.toString) return a.toString() === b.toString(); + + keys = Object.keys(a); + length = keys.length; + if (length !== Object.keys(b).length) return false; + + for (i = length; i-- !== 0;) + if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false; + + for (i = length; i-- !== 0;) { + var key = keys[i]; + + if (!equal(a[key], b[key])) return false; + } + + return true; + } + + // true if both NaN, false otherwise + return a!==a && b!==b; +}; diff --git a/module/node_modules/fast-deep-equal/es6/react.d.ts b/module/node_modules/fast-deep-equal/es6/react.d.ts new file mode 100644 index 000000000..c7eb9c796 --- /dev/null +++ b/module/node_modules/fast-deep-equal/es6/react.d.ts @@ -0,0 +1,2 @@ +declare const equal: (a: any, b: any) => boolean; +export = equal; diff --git a/module/node_modules/fast-deep-equal/es6/react.js b/module/node_modules/fast-deep-equal/es6/react.js new file mode 100644 index 000000000..98e2f9b71 --- /dev/null +++ b/module/node_modules/fast-deep-equal/es6/react.js @@ -0,0 +1,79 @@ +'use strict'; + +// do not edit .js files directly - edit src/index.jst + + + var envHasBigInt64Array = typeof BigInt64Array !== 'undefined'; + + +module.exports = function equal(a, b) { + if (a === b) return true; + + if (a && b && typeof a == 'object' && typeof b == 'object') { + if (a.constructor !== b.constructor) return false; + + var length, i, keys; + if (Array.isArray(a)) { + length = a.length; + if (length != b.length) return false; + for (i = length; i-- !== 0;) + if (!equal(a[i], b[i])) return false; + return true; + } + + + if ((a instanceof Map) && (b instanceof Map)) { + if (a.size !== b.size) return false; + for (i of a.entries()) + if (!b.has(i[0])) return false; + for (i of a.entries()) + if (!equal(i[1], b.get(i[0]))) return false; + return true; + } + + if ((a instanceof Set) && (b instanceof Set)) { + if (a.size !== b.size) return false; + for (i of a.entries()) + if (!b.has(i[0])) return false; + return true; + } + + if (ArrayBuffer.isView(a) && ArrayBuffer.isView(b)) { + length = a.length; + if (length != b.length) return false; + for (i = length; i-- !== 0;) + if (a[i] !== b[i]) return false; + return true; + } + + + if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags; + if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf(); + if (a.toString !== Object.prototype.toString) return a.toString() === b.toString(); + + keys = Object.keys(a); + length = keys.length; + if (length !== Object.keys(b).length) return false; + + for (i = length; i-- !== 0;) + if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false; + + for (i = length; i-- !== 0;) { + var key = keys[i]; + + if (key === '_owner' && a.$$typeof) { + // React-specific: avoid traversing React elements' _owner. + // _owner contains circular references + // and is not needed when comparing the actual elements (and not their owners) + continue; + } + + if (!equal(a[key], b[key])) return false; + } + + return true; + } + + // true if both NaN, false otherwise + return a!==a && b!==b; +}; diff --git a/module/node_modules/fast-deep-equal/index.d.ts b/module/node_modules/fast-deep-equal/index.d.ts new file mode 100644 index 000000000..3c042caa7 --- /dev/null +++ b/module/node_modules/fast-deep-equal/index.d.ts @@ -0,0 +1,4 @@ +declare module 'fast-deep-equal' { + const equal: (a: any, b: any) => boolean; + export = equal; +} diff --git a/module/node_modules/fast-deep-equal/index.js b/module/node_modules/fast-deep-equal/index.js new file mode 100644 index 000000000..30dd1ba78 --- /dev/null +++ b/module/node_modules/fast-deep-equal/index.js @@ -0,0 +1,46 @@ +'use strict'; + +// do not edit .js files directly - edit src/index.jst + + + +module.exports = function equal(a, b) { + if (a === b) return true; + + if (a && b && typeof a == 'object' && typeof b == 'object') { + if (a.constructor !== b.constructor) return false; + + var length, i, keys; + if (Array.isArray(a)) { + length = a.length; + if (length != b.length) return false; + for (i = length; i-- !== 0;) + if (!equal(a[i], b[i])) return false; + return true; + } + + + + if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags; + if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf(); + if (a.toString !== Object.prototype.toString) return a.toString() === b.toString(); + + keys = Object.keys(a); + length = keys.length; + if (length !== Object.keys(b).length) return false; + + for (i = length; i-- !== 0;) + if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false; + + for (i = length; i-- !== 0;) { + var key = keys[i]; + + if (!equal(a[key], b[key])) return false; + } + + return true; + } + + // true if both NaN, false otherwise + return a!==a && b!==b; +}; diff --git a/module/node_modules/fast-deep-equal/package.json b/module/node_modules/fast-deep-equal/package.json new file mode 100644 index 000000000..3cfe66c68 --- /dev/null +++ b/module/node_modules/fast-deep-equal/package.json @@ -0,0 +1,61 @@ +{ + "name": "fast-deep-equal", + "version": "3.1.3", + "description": "Fast deep equal", + "main": "index.js", + "scripts": { + "eslint": "eslint *.js benchmark/*.js spec/*.js", + "build": "node build", + "benchmark": "npm i && npm run build && cd ./benchmark && npm i && node ./", + "test-spec": "mocha spec/*.spec.js -R spec", + "test-cov": "nyc npm run test-spec", + "test-ts": "tsc --target ES5 --noImplicitAny index.d.ts", + "test": "npm run build && npm run eslint && npm run test-ts && npm run test-cov", + "prepublish": "npm run build" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/epoberezkin/fast-deep-equal.git" + }, + "keywords": [ + "fast", + "equal", + "deep-equal" + ], + "author": "Evgeny Poberezkin", + "license": "MIT", + "bugs": { + "url": "https://github.com/epoberezkin/fast-deep-equal/issues" + }, + "homepage": "https://github.com/epoberezkin/fast-deep-equal#readme", + "devDependencies": { + "coveralls": "^3.1.0", + "dot": "^1.1.2", + "eslint": "^7.2.0", + "mocha": "^7.2.0", + "nyc": "^15.1.0", + "pre-commit": "^1.2.2", + "react": "^16.12.0", + "react-test-renderer": "^16.12.0", + "sinon": "^9.0.2", + "typescript": "^3.9.5" + }, + "nyc": { + "exclude": [ + "**/spec/**", + "node_modules" + ], + "reporter": [ + "lcov", + "text-summary" + ] + }, + "files": [ + "index.js", + "index.d.ts", + "react.js", + "react.d.ts", + "es6/" + ], + "types": "index.d.ts" +} diff --git a/module/node_modules/fast-deep-equal/react.d.ts b/module/node_modules/fast-deep-equal/react.d.ts new file mode 100644 index 000000000..c7eb9c796 --- /dev/null +++ b/module/node_modules/fast-deep-equal/react.d.ts @@ -0,0 +1,2 @@ +declare const equal: (a: any, b: any) => boolean; +export = equal; diff --git a/module/node_modules/fast-deep-equal/react.js b/module/node_modules/fast-deep-equal/react.js new file mode 100644 index 000000000..3489b9833 --- /dev/null +++ b/module/node_modules/fast-deep-equal/react.js @@ -0,0 +1,53 @@ +'use strict'; + +// do not edit .js files directly - edit src/index.jst + + + +module.exports = function equal(a, b) { + if (a === b) return true; + + if (a && b && typeof a == 'object' && typeof b == 'object') { + if (a.constructor !== b.constructor) return false; + + var length, i, keys; + if (Array.isArray(a)) { + length = a.length; + if (length != b.length) return false; + for (i = length; i-- !== 0;) + if (!equal(a[i], b[i])) return false; + return true; + } + + + + if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags; + if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf(); + if (a.toString !== Object.prototype.toString) return a.toString() === b.toString(); + + keys = Object.keys(a); + length = keys.length; + if (length !== Object.keys(b).length) return false; + + for (i = length; i-- !== 0;) + if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false; + + for (i = length; i-- !== 0;) { + var key = keys[i]; + + if (key === '_owner' && a.$$typeof) { + // React-specific: avoid traversing React elements' _owner. + // _owner contains circular references + // and is not needed when comparing the actual elements (and not their owners) + continue; + } + + if (!equal(a[key], b[key])) return false; + } + + return true; + } + + // true if both NaN, false otherwise + return a!==a && b!==b; +}; diff --git a/module/node_modules/fast-json-stable-stringify/.eslintrc.yml b/module/node_modules/fast-json-stable-stringify/.eslintrc.yml new file mode 100644 index 000000000..1c77b0d47 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/.eslintrc.yml @@ -0,0 +1,26 @@ +extends: eslint:recommended +env: + node: true + browser: true +rules: + block-scoped-var: 2 + callback-return: 2 + dot-notation: 2 + indent: 2 + linebreak-style: [2, unix] + new-cap: 2 + no-console: [2, allow: [warn, error]] + no-else-return: 2 + no-eq-null: 2 + no-fallthrough: 2 + no-invalid-this: 2 + no-return-assign: 2 + no-shadow: 1 + no-trailing-spaces: 2 + no-use-before-define: [2, nofunc] + quotes: [2, single, avoid-escape] + semi: [2, always] + strict: [2, global] + valid-jsdoc: [2, requireReturn: false] + no-control-regex: 0 + no-useless-escape: 2 diff --git a/module/node_modules/fast-json-stable-stringify/.github/FUNDING.yml b/module/node_modules/fast-json-stable-stringify/.github/FUNDING.yml new file mode 100644 index 000000000..61f9daa95 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/.github/FUNDING.yml @@ -0,0 +1 @@ +tidelift: "npm/fast-json-stable-stringify" diff --git a/module/node_modules/fast-json-stable-stringify/.travis.yml b/module/node_modules/fast-json-stable-stringify/.travis.yml new file mode 100644 index 000000000..b61e8f0dc --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/.travis.yml @@ -0,0 +1,8 @@ +language: node_js +node_js: + - "8" + - "10" + - "12" + - "13" +after_script: + - coveralls < coverage/lcov.info diff --git a/module/node_modules/fast-json-stable-stringify/LICENSE b/module/node_modules/fast-json-stable-stringify/LICENSE new file mode 100644 index 000000000..c932223b1 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/LICENSE @@ -0,0 +1,21 @@ +This software is released under the MIT license: + +Copyright (c) 2017 Evgeny Poberezkin +Copyright (c) 2013 James Halliday + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/fast-json-stable-stringify/README.md b/module/node_modules/fast-json-stable-stringify/README.md new file mode 100644 index 000000000..02cf49ff3 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/README.md @@ -0,0 +1,131 @@ +# fast-json-stable-stringify + +Deterministic `JSON.stringify()` - a faster version of [@substack](https://github.com/substack)'s json-stable-strigify without [jsonify](https://github.com/substack/jsonify). + +You can also pass in a custom comparison function. + +[![Build Status](https://travis-ci.org/epoberezkin/fast-json-stable-stringify.svg?branch=master)](https://travis-ci.org/epoberezkin/fast-json-stable-stringify) +[![Coverage Status](https://coveralls.io/repos/github/epoberezkin/fast-json-stable-stringify/badge.svg?branch=master)](https://coveralls.io/github/epoberezkin/fast-json-stable-stringify?branch=master) + +# example + +``` js +var stringify = require('fast-json-stable-stringify'); +var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 }; +console.log(stringify(obj)); +``` + +output: + +``` +{"a":3,"b":[{"x":4,"y":5,"z":6},7],"c":8} +``` + + +# methods + +``` js +var stringify = require('fast-json-stable-stringify') +``` + +## var str = stringify(obj, opts) + +Return a deterministic stringified string `str` from the object `obj`. + + +## options + +### cmp + +If `opts` is given, you can supply an `opts.cmp` to have a custom comparison +function for object keys. Your function `opts.cmp` is called with these +parameters: + +``` js +opts.cmp({ key: akey, value: avalue }, { key: bkey, value: bvalue }) +``` + +For example, to sort on the object key names in reverse order you could write: + +``` js +var stringify = require('fast-json-stable-stringify'); + +var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 }; +var s = stringify(obj, function (a, b) { + return a.key < b.key ? 1 : -1; +}); +console.log(s); +``` + +which results in the output string: + +``` +{"c":8,"b":[{"z":6,"y":5,"x":4},7],"a":3} +``` + +Or if you wanted to sort on the object values in reverse order, you could write: + +``` +var stringify = require('fast-json-stable-stringify'); + +var obj = { d: 6, c: 5, b: [{z:3,y:2,x:1},9], a: 10 }; +var s = stringify(obj, function (a, b) { + return a.value < b.value ? 1 : -1; +}); +console.log(s); +``` + +which outputs: + +``` +{"d":6,"c":5,"b":[{"z":3,"y":2,"x":1},9],"a":10} +``` + +### cycles + +Pass `true` in `opts.cycles` to stringify circular property as `__cycle__` - the result will not be a valid JSON string in this case. + +TypeError will be thrown in case of circular object without this option. + + +# install + +With [npm](https://npmjs.org) do: + +``` +npm install fast-json-stable-stringify +``` + + +# benchmark + +To run benchmark (requires Node.js 6+): +``` +node benchmark +``` + +Results: +``` +fast-json-stable-stringify x 17,189 ops/sec ±1.43% (83 runs sampled) +json-stable-stringify x 13,634 ops/sec ±1.39% (85 runs sampled) +fast-stable-stringify x 20,212 ops/sec ±1.20% (84 runs sampled) +faster-stable-stringify x 15,549 ops/sec ±1.12% (84 runs sampled) +The fastest is fast-stable-stringify +``` + + +## Enterprise support + +fast-json-stable-stringify package is a part of [Tidelift enterprise subscription](https://tidelift.com/subscription/pkg/npm-fast-json-stable-stringify?utm_source=npm-fast-json-stable-stringify&utm_medium=referral&utm_campaign=enterprise&utm_term=repo) - it provides a centralised commercial support to open-source software users, in addition to the support provided by software maintainers. + + +## Security contact + +To report a security vulnerability, please use the +[Tidelift security contact](https://tidelift.com/security). +Tidelift will coordinate the fix and disclosure. Please do NOT report security vulnerability via GitHub issues. + + +# license + +[MIT](https://github.com/epoberezkin/fast-json-stable-stringify/blob/master/LICENSE) diff --git a/module/node_modules/fast-json-stable-stringify/benchmark/index.js b/module/node_modules/fast-json-stable-stringify/benchmark/index.js new file mode 100644 index 000000000..e725f9fc5 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/benchmark/index.js @@ -0,0 +1,31 @@ +'use strict'; + +const Benchmark = require('benchmark'); +const suite = new Benchmark.Suite; +const testData = require('./test.json'); + + +const stringifyPackages = { + // 'JSON.stringify': JSON.stringify, + 'fast-json-stable-stringify': require('../index'), + 'json-stable-stringify': true, + 'fast-stable-stringify': true, + 'faster-stable-stringify': true +}; + + +for (const name in stringifyPackages) { + let func = stringifyPackages[name]; + if (func === true) func = require(name); + + suite.add(name, function() { + func(testData); + }); +} + +suite + .on('cycle', (event) => console.log(String(event.target))) + .on('complete', function () { + console.log('The fastest is ' + this.filter('fastest').map('name')); + }) + .run({async: true}); diff --git a/module/node_modules/fast-json-stable-stringify/benchmark/test.json b/module/node_modules/fast-json-stable-stringify/benchmark/test.json new file mode 100644 index 000000000..c9118c11f --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/benchmark/test.json @@ -0,0 +1,137 @@ +[ + { + "_id": "59ef4a83ee8364808d761beb", + "index": 0, + "guid": "e50ffae9-7128-4148-9ee5-40c3fc523c5d", + "isActive": false, + "balance": "$2,341.81", + "picture": "http://placehold.it/32x32", + "age": 28, + "eyeColor": "brown", + "name": "Carey Savage", + "gender": "female", + "company": "VERAQ", + "email": "careysavage@veraq.com", + "phone": "+1 (897) 574-3014", + "address": "458 Willow Street, Henrietta, California, 7234", + "about": "Nisi reprehenderit nulla ad officia pariatur non dolore laboris irure cupidatat laborum. Minim eu ex Lorem adipisicing exercitation irure minim sunt est enim mollit incididunt voluptate nulla. Ut mollit anim reprehenderit et aliqua ex esse aliquip. Aute sit duis deserunt do incididunt consequat minim qui dolor commodo deserunt et voluptate.\r\n", + "registered": "2014-05-21T01:56:51 -01:00", + "latitude": 63.89502, + "longitude": 62.369807, + "tags": [ + "nostrud", + "nisi", + "consectetur", + "ullamco", + "cupidatat", + "culpa", + "commodo" + ], + "friends": [ + { + "id": 0, + "name": "Henry Walls" + }, + { + "id": 1, + "name": "Janice Baker" + }, + { + "id": 2, + "name": "Russell Bush" + } + ], + "greeting": "Hello, Carey Savage! You have 4 unread messages.", + "favoriteFruit": "banana" + }, + { + "_id": "59ef4a83ff5774a691454e89", + "index": 1, + "guid": "2bee9efc-4095-4c2e-87ef-d08c8054c89d", + "isActive": true, + "balance": "$1,618.15", + "picture": "http://placehold.it/32x32", + "age": 35, + "eyeColor": "blue", + "name": "Elinor Pearson", + "gender": "female", + "company": "FLEXIGEN", + "email": "elinorpearson@flexigen.com", + "phone": "+1 (923) 548-3751", + "address": "600 Bayview Avenue, Draper, Montana, 3088", + "about": "Mollit commodo ea sit Lorem velit. Irure anim esse Lorem sint quis officia ut. Aliqua nisi dolore in aute deserunt mollit ex ea in mollit.\r\n", + "registered": "2017-04-22T07:58:41 -01:00", + "latitude": -87.824919, + "longitude": 69.538927, + "tags": [ + "fugiat", + "labore", + "proident", + "quis", + "eiusmod", + "qui", + "est" + ], + "friends": [ + { + "id": 0, + "name": "Massey Wagner" + }, + { + "id": 1, + "name": "Marcella Ferrell" + }, + { + "id": 2, + "name": "Evans Mckee" + } + ], + "greeting": "Hello, Elinor Pearson! You have 3 unread messages.", + "favoriteFruit": "strawberry" + }, + { + "_id": "59ef4a839ec8a4be4430b36b", + "index": 2, + "guid": "ddd6e8c0-95bd-416d-8b46-a768d6363809", + "isActive": false, + "balance": "$2,046.95", + "picture": "http://placehold.it/32x32", + "age": 40, + "eyeColor": "green", + "name": "Irwin Davidson", + "gender": "male", + "company": "DANJA", + "email": "irwindavidson@danja.com", + "phone": "+1 (883) 537-2041", + "address": "439 Cook Street, Chapin, Kentucky, 7398", + "about": "Irure velit non commodo aliqua exercitation ut nostrud minim magna. Dolor ad ad ut irure eu. Non pariatur dolor eiusmod ipsum do et exercitation cillum. Et amet laboris minim eiusmod ullamco magna ea reprehenderit proident sunt.\r\n", + "registered": "2016-09-01T07:49:08 -01:00", + "latitude": -49.803812, + "longitude": 104.93279, + "tags": [ + "consequat", + "enim", + "quis", + "magna", + "est", + "culpa", + "tempor" + ], + "friends": [ + { + "id": 0, + "name": "Ruth Hansen" + }, + { + "id": 1, + "name": "Kathrine Austin" + }, + { + "id": 2, + "name": "Rivera Munoz" + } + ], + "greeting": "Hello, Irwin Davidson! You have 2 unread messages.", + "favoriteFruit": "banana" + } +] diff --git a/module/node_modules/fast-json-stable-stringify/example/key_cmp.js b/module/node_modules/fast-json-stable-stringify/example/key_cmp.js new file mode 100644 index 000000000..d5f66752d --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/example/key_cmp.js @@ -0,0 +1,7 @@ +var stringify = require('../'); + +var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 }; +var s = stringify(obj, function (a, b) { + return a.key < b.key ? 1 : -1; +}); +console.log(s); diff --git a/module/node_modules/fast-json-stable-stringify/example/nested.js b/module/node_modules/fast-json-stable-stringify/example/nested.js new file mode 100644 index 000000000..9a672fc65 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/example/nested.js @@ -0,0 +1,3 @@ +var stringify = require('../'); +var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 }; +console.log(stringify(obj)); diff --git a/module/node_modules/fast-json-stable-stringify/example/str.js b/module/node_modules/fast-json-stable-stringify/example/str.js new file mode 100644 index 000000000..9b4b3cd28 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/example/str.js @@ -0,0 +1,3 @@ +var stringify = require('../'); +var obj = { c: 6, b: [4,5], a: 3 }; +console.log(stringify(obj)); diff --git a/module/node_modules/fast-json-stable-stringify/example/value_cmp.js b/module/node_modules/fast-json-stable-stringify/example/value_cmp.js new file mode 100644 index 000000000..09f1c5f79 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/example/value_cmp.js @@ -0,0 +1,7 @@ +var stringify = require('../'); + +var obj = { d: 6, c: 5, b: [{z:3,y:2,x:1},9], a: 10 }; +var s = stringify(obj, function (a, b) { + return a.value < b.value ? 1 : -1; +}); +console.log(s); diff --git a/module/node_modules/fast-json-stable-stringify/index.d.ts b/module/node_modules/fast-json-stable-stringify/index.d.ts new file mode 100644 index 000000000..23e46cafc --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/index.d.ts @@ -0,0 +1,4 @@ +declare module 'fast-json-stable-stringify' { + function stringify(obj: any): string; + export = stringify; +} diff --git a/module/node_modules/fast-json-stable-stringify/index.js b/module/node_modules/fast-json-stable-stringify/index.js new file mode 100644 index 000000000..c44e6a413 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/index.js @@ -0,0 +1,59 @@ +'use strict'; + +module.exports = function (data, opts) { + if (!opts) opts = {}; + if (typeof opts === 'function') opts = { cmp: opts }; + var cycles = (typeof opts.cycles === 'boolean') ? opts.cycles : false; + + var cmp = opts.cmp && (function (f) { + return function (node) { + return function (a, b) { + var aobj = { key: a, value: node[a] }; + var bobj = { key: b, value: node[b] }; + return f(aobj, bobj); + }; + }; + })(opts.cmp); + + var seen = []; + return (function stringify (node) { + if (node && node.toJSON && typeof node.toJSON === 'function') { + node = node.toJSON(); + } + + if (node === undefined) return; + if (typeof node == 'number') return isFinite(node) ? '' + node : 'null'; + if (typeof node !== 'object') return JSON.stringify(node); + + var i, out; + if (Array.isArray(node)) { + out = '['; + for (i = 0; i < node.length; i++) { + if (i) out += ','; + out += stringify(node[i]) || 'null'; + } + return out + ']'; + } + + if (node === null) return 'null'; + + if (seen.indexOf(node) !== -1) { + if (cycles) return JSON.stringify('__cycle__'); + throw new TypeError('Converting circular structure to JSON'); + } + + var seenIndex = seen.push(node) - 1; + var keys = Object.keys(node).sort(cmp && cmp(node)); + out = ''; + for (i = 0; i < keys.length; i++) { + var key = keys[i]; + var value = stringify(node[key]); + + if (!value) continue; + if (out) out += ','; + out += JSON.stringify(key) + ':' + value; + } + seen.splice(seenIndex, 1); + return '{' + out + '}'; + })(data); +}; diff --git a/module/node_modules/fast-json-stable-stringify/package.json b/module/node_modules/fast-json-stable-stringify/package.json new file mode 100644 index 000000000..ad2c8bff7 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/package.json @@ -0,0 +1,52 @@ +{ + "name": "fast-json-stable-stringify", + "version": "2.1.0", + "description": "deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify", + "main": "index.js", + "types": "index.d.ts", + "dependencies": {}, + "devDependencies": { + "benchmark": "^2.1.4", + "coveralls": "^3.0.0", + "eslint": "^6.7.0", + "fast-stable-stringify": "latest", + "faster-stable-stringify": "latest", + "json-stable-stringify": "latest", + "nyc": "^14.1.0", + "pre-commit": "^1.2.2", + "tape": "^4.11.0" + }, + "scripts": { + "eslint": "eslint index.js test", + "test-spec": "tape test/*.js", + "test": "npm run eslint && nyc npm run test-spec" + }, + "repository": { + "type": "git", + "url": "git://github.com/epoberezkin/fast-json-stable-stringify.git" + }, + "homepage": "https://github.com/epoberezkin/fast-json-stable-stringify", + "keywords": [ + "json", + "stringify", + "deterministic", + "hash", + "stable" + ], + "author": { + "name": "James Halliday", + "email": "mail@substack.net", + "url": "http://substack.net" + }, + "license": "MIT", + "nyc": { + "exclude": [ + "test", + "node_modules" + ], + "reporter": [ + "lcov", + "text-summary" + ] + } +} diff --git a/module/node_modules/fast-json-stable-stringify/test/cmp.js b/module/node_modules/fast-json-stable-stringify/test/cmp.js new file mode 100644 index 000000000..4efd6b597 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/test/cmp.js @@ -0,0 +1,13 @@ +'use strict'; + +var test = require('tape'); +var stringify = require('../'); + +test('custom comparison function', function (t) { + t.plan(1); + var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 }; + var s = stringify(obj, function (a, b) { + return a.key < b.key ? 1 : -1; + }); + t.equal(s, '{"c":8,"b":[{"z":6,"y":5,"x":4},7],"a":3}'); +}); diff --git a/module/node_modules/fast-json-stable-stringify/test/nested.js b/module/node_modules/fast-json-stable-stringify/test/nested.js new file mode 100644 index 000000000..167a358e0 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/test/nested.js @@ -0,0 +1,44 @@ +'use strict'; + +var test = require('tape'); +var stringify = require('../'); + +test('nested', function (t) { + t.plan(1); + var obj = { c: 8, b: [{z:6,y:5,x:4},7], a: 3 }; + t.equal(stringify(obj), '{"a":3,"b":[{"x":4,"y":5,"z":6},7],"c":8}'); +}); + +test('cyclic (default)', function (t) { + t.plan(1); + var one = { a: 1 }; + var two = { a: 2, one: one }; + one.two = two; + try { + stringify(one); + } catch (ex) { + t.equal(ex.toString(), 'TypeError: Converting circular structure to JSON'); + } +}); + +test('cyclic (specifically allowed)', function (t) { + t.plan(1); + var one = { a: 1 }; + var two = { a: 2, one: one }; + one.two = two; + t.equal(stringify(one, {cycles:true}), '{"a":1,"two":{"a":2,"one":"__cycle__"}}'); +}); + +test('repeated non-cyclic value', function(t) { + t.plan(1); + var one = { x: 1 }; + var two = { a: one, b: one }; + t.equal(stringify(two), '{"a":{"x":1},"b":{"x":1}}'); +}); + +test('acyclic but with reused obj-property pointers', function (t) { + t.plan(1); + var x = { a: 1 }; + var y = { b: x, c: x }; + t.equal(stringify(y), '{"b":{"a":1},"c":{"a":1}}'); +}); diff --git a/module/node_modules/fast-json-stable-stringify/test/str.js b/module/node_modules/fast-json-stable-stringify/test/str.js new file mode 100644 index 000000000..99a9ade18 --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/test/str.js @@ -0,0 +1,46 @@ +'use strict'; + +var test = require('tape'); +var stringify = require('../'); + +test('simple object', function (t) { + t.plan(1); + var obj = { c: 6, b: [4,5], a: 3, z: null }; + t.equal(stringify(obj), '{"a":3,"b":[4,5],"c":6,"z":null}'); +}); + +test('object with undefined', function (t) { + t.plan(1); + var obj = { a: 3, z: undefined }; + t.equal(stringify(obj), '{"a":3}'); +}); + +test('object with null', function (t) { + t.plan(1); + var obj = { a: 3, z: null }; + t.equal(stringify(obj), '{"a":3,"z":null}'); +}); + +test('object with NaN and Infinity', function (t) { + t.plan(1); + var obj = { a: 3, b: NaN, c: Infinity }; + t.equal(stringify(obj), '{"a":3,"b":null,"c":null}'); +}); + +test('array with undefined', function (t) { + t.plan(1); + var obj = [4, undefined, 6]; + t.equal(stringify(obj), '[4,null,6]'); +}); + +test('object with empty string', function (t) { + t.plan(1); + var obj = { a: 3, z: '' }; + t.equal(stringify(obj), '{"a":3,"z":""}'); +}); + +test('array with empty string', function (t) { + t.plan(1); + var obj = [4, '', 6]; + t.equal(stringify(obj), '[4,"",6]'); +}); diff --git a/module/node_modules/fast-json-stable-stringify/test/to-json.js b/module/node_modules/fast-json-stable-stringify/test/to-json.js new file mode 100644 index 000000000..2fb2cfa3e --- /dev/null +++ b/module/node_modules/fast-json-stable-stringify/test/to-json.js @@ -0,0 +1,22 @@ +'use strict'; + +var test = require('tape'); +var stringify = require('../'); + +test('toJSON function', function (t) { + t.plan(1); + var obj = { one: 1, two: 2, toJSON: function() { return { one: 1 }; } }; + t.equal(stringify(obj), '{"one":1}' ); +}); + +test('toJSON returns string', function (t) { + t.plan(1); + var obj = { one: 1, two: 2, toJSON: function() { return 'one'; } }; + t.equal(stringify(obj), '"one"'); +}); + +test('toJSON returns array', function (t) { + t.plan(1); + var obj = { one: 1, two: 2, toJSON: function() { return ['one']; } }; + t.equal(stringify(obj), '["one"]'); +}); diff --git a/module/node_modules/fast-levenshtein/LICENSE.md b/module/node_modules/fast-levenshtein/LICENSE.md new file mode 100644 index 000000000..6212406b4 --- /dev/null +++ b/module/node_modules/fast-levenshtein/LICENSE.md @@ -0,0 +1,25 @@ +(MIT License) + +Copyright (c) 2013 [Ramesh Nair](http://www.hiddentao.com/) + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + diff --git a/module/node_modules/fast-levenshtein/README.md b/module/node_modules/fast-levenshtein/README.md new file mode 100644 index 000000000..a77899539 --- /dev/null +++ b/module/node_modules/fast-levenshtein/README.md @@ -0,0 +1,104 @@ +# fast-levenshtein - Levenshtein algorithm in Javascript + +[![Build Status](https://secure.travis-ci.org/hiddentao/fast-levenshtein.png)](http://travis-ci.org/hiddentao/fast-levenshtein) +[![NPM module](https://badge.fury.io/js/fast-levenshtein.png)](https://badge.fury.io/js/fast-levenshtein) +[![NPM downloads](https://img.shields.io/npm/dm/fast-levenshtein.svg?maxAge=2592000)](https://www.npmjs.com/package/fast-levenshtein) +[![Follow on Twitter](https://img.shields.io/twitter/url/http/shields.io.svg?style=social&label=Follow&maxAge=2592000)](https://twitter.com/hiddentao) + +An efficient Javascript implementation of the [Levenshtein algorithm](http://en.wikipedia.org/wiki/Levenshtein_distance) with locale-specific collator support. + +## Features + +* Works in node.js and in the browser. +* Better performance than other implementations by not needing to store the whole matrix ([more info](http://www.codeproject.com/Articles/13525/Fast-memory-efficient-Levenshtein-algorithm)). +* Locale-sensitive string comparisions if needed. +* Comprehensive test suite and performance benchmark. +* Small: <1 KB minified and gzipped + +## Installation + +### node.js + +Install using [npm](http://npmjs.org/): + +```bash +$ npm install fast-levenshtein +``` + +### Browser + +Using bower: + +```bash +$ bower install fast-levenshtein +``` + +If you are not using any module loader system then the API will then be accessible via the `window.Levenshtein` object. + +## Examples + +**Default usage** + +```javascript +var levenshtein = require('fast-levenshtein'); + +var distance = levenshtein.get('back', 'book'); // 2 +var distance = levenshtein.get('我愛你', '我叫你'); // 1 +``` + +**Locale-sensitive string comparisons** + +It supports using [Intl.Collator](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Collator) for locale-sensitive string comparisons: + +```javascript +var levenshtein = require('fast-levenshtein'); + +levenshtein.get('mikailovitch', 'Mikhaïlovitch', { useCollator: true}); +// 1 +``` + +## Building and Testing + +To build the code and run the tests: + +```bash +$ npm install -g grunt-cli +$ npm install +$ npm run build +``` + +## Performance + +_Thanks to [Titus Wormer](https://github.com/wooorm) for [encouraging me](https://github.com/hiddentao/fast-levenshtein/issues/1) to do this._ + +Benchmarked against other node.js levenshtein distance modules (on Macbook Air 2012, Core i7, 8GB RAM): + +```bash +Running suite Implementation comparison [benchmark/speed.js]... +>> levenshtein-edit-distance x 234 ops/sec ±3.02% (73 runs sampled) +>> levenshtein-component x 422 ops/sec ±4.38% (83 runs sampled) +>> levenshtein-deltas x 283 ops/sec ±3.83% (78 runs sampled) +>> natural x 255 ops/sec ±0.76% (88 runs sampled) +>> levenshtein x 180 ops/sec ±3.55% (86 runs sampled) +>> fast-levenshtein x 1,792 ops/sec ±2.72% (95 runs sampled) +Benchmark done. +Fastest test is fast-levenshtein at 4.2x faster than levenshtein-component +``` + +You can run this benchmark yourself by doing: + +```bash +$ npm install +$ npm run build +$ npm run benchmark +``` + +## Contributing + +If you wish to submit a pull request please update and/or create new tests for any changes you make and ensure the grunt build passes. + +See [CONTRIBUTING.md](https://github.com/hiddentao/fast-levenshtein/blob/master/CONTRIBUTING.md) for details. + +## License + +MIT - see [LICENSE.md](https://github.com/hiddentao/fast-levenshtein/blob/master/LICENSE.md) diff --git a/module/node_modules/fast-levenshtein/levenshtein.js b/module/node_modules/fast-levenshtein/levenshtein.js new file mode 100644 index 000000000..dbe362808 --- /dev/null +++ b/module/node_modules/fast-levenshtein/levenshtein.js @@ -0,0 +1,136 @@ +(function() { + 'use strict'; + + var collator; + try { + collator = (typeof Intl !== "undefined" && typeof Intl.Collator !== "undefined") ? Intl.Collator("generic", { sensitivity: "base" }) : null; + } catch (err){ + console.log("Collator could not be initialized and wouldn't be used"); + } + // arrays to re-use + var prevRow = [], + str2Char = []; + + /** + * Based on the algorithm at http://en.wikipedia.org/wiki/Levenshtein_distance. + */ + var Levenshtein = { + /** + * Calculate levenshtein distance of the two strings. + * + * @param str1 String the first string. + * @param str2 String the second string. + * @param [options] Additional options. + * @param [options.useCollator] Use `Intl.Collator` for locale-sensitive string comparison. + * @return Integer the levenshtein distance (0 and above). + */ + get: function(str1, str2, options) { + var useCollator = (options && collator && options.useCollator); + + var str1Len = str1.length, + str2Len = str2.length; + + // base cases + if (str1Len === 0) return str2Len; + if (str2Len === 0) return str1Len; + + // two rows + var curCol, nextCol, i, j, tmp; + + // initialise previous row + for (i=0; i tmp) { + nextCol = tmp; + } + // deletion + tmp = prevRow[j + 1] + 1; + if (nextCol > tmp) { + nextCol = tmp; + } + + // copy current col value into previous (in preparation for next iteration) + prevRow[j] = curCol; + } + + // copy last col value into previous (in preparation for next iteration) + prevRow[j] = nextCol; + } + } + else { + // calculate current row distance from previous row without collator + for (i = 0; i < str1Len; ++i) { + nextCol = i + 1; + + for (j = 0; j < str2Len; ++j) { + curCol = nextCol; + + // substution + strCmp = str1.charCodeAt(i) === str2Char[j]; + + nextCol = prevRow[j] + (strCmp ? 0 : 1); + + // insertion + tmp = curCol + 1; + if (nextCol > tmp) { + nextCol = tmp; + } + // deletion + tmp = prevRow[j + 1] + 1; + if (nextCol > tmp) { + nextCol = tmp; + } + + // copy current col value into previous (in preparation for next iteration) + prevRow[j] = curCol; + } + + // copy last col value into previous (in preparation for next iteration) + prevRow[j] = nextCol; + } + } + return nextCol; + } + + }; + + // amd + if (typeof define !== "undefined" && define !== null && define.amd) { + define(function() { + return Levenshtein; + }); + } + // commonjs + else if (typeof module !== "undefined" && module !== null && typeof exports !== "undefined" && module.exports === exports) { + module.exports = Levenshtein; + } + // web worker + else if (typeof self !== "undefined" && typeof self.postMessage === 'function' && typeof self.importScripts === 'function') { + self.Levenshtein = Levenshtein; + } + // browser main thread + else if (typeof window !== "undefined" && window !== null) { + window.Levenshtein = Levenshtein; + } +}()); + diff --git a/module/node_modules/fast-levenshtein/package.json b/module/node_modules/fast-levenshtein/package.json new file mode 100644 index 000000000..5b4736d45 --- /dev/null +++ b/module/node_modules/fast-levenshtein/package.json @@ -0,0 +1,39 @@ +{ + "name": "fast-levenshtein", + "version": "2.0.6", + "description": "Efficient implementation of Levenshtein algorithm with locale-specific collator support.", + "main": "levenshtein.js", + "files": [ + "levenshtein.js" + ], + "scripts": { + "build": "grunt build", + "prepublish": "npm run build", + "benchmark": "grunt benchmark", + "test": "mocha" + }, + "devDependencies": { + "chai": "~1.5.0", + "grunt": "~0.4.1", + "grunt-benchmark": "~0.2.0", + "grunt-cli": "^1.2.0", + "grunt-contrib-jshint": "~0.4.3", + "grunt-contrib-uglify": "~0.2.0", + "grunt-mocha-test": "~0.2.2", + "grunt-npm-install": "~0.1.0", + "load-grunt-tasks": "~0.6.0", + "lodash": "^4.0.1", + "mocha": "~1.9.0" + }, + "repository": { + "type": "git", + "url": "https://github.com/hiddentao/fast-levenshtein.git" + }, + "keywords": [ + "levenshtein", + "distance", + "string" + ], + "author": "Ramesh Nair (http://www.hiddentao.com/)", + "license": "MIT" +} diff --git a/module/node_modules/file-entry-cache/LICENSE b/module/node_modules/file-entry-cache/LICENSE new file mode 100644 index 000000000..39a8bc459 --- /dev/null +++ b/module/node_modules/file-entry-cache/LICENSE @@ -0,0 +1,22 @@ +The MIT License (MIT) + +Copyright (c) Roy Riojas & Jared Wray + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + diff --git a/module/node_modules/file-entry-cache/README.md b/module/node_modules/file-entry-cache/README.md new file mode 100644 index 000000000..4f068fe4f --- /dev/null +++ b/module/node_modules/file-entry-cache/README.md @@ -0,0 +1,115 @@ +# file-entry-cache +> Super simple cache for file metadata, useful for process that work on a given series of files +> and that only need to repeat the job on the changed ones since the previous run of the process — Edit + +[![NPM Version](https://img.shields.io/npm/v/file-entry-cache.svg?style=flat)](https://npmjs.org/package/file-entry-cache) +[![tests](https://github.com/jaredwray/file-entry-cache/actions/workflows/tests.yaml/badge.svg?branch=master)](https://github.com/jaredwray/file-entry-cache/actions/workflows/tests.yaml) +[![codecov](https://codecov.io/github/jaredwray/file-entry-cache/graph/badge.svg?token=37tZMQE0Sy)](https://codecov.io/github/jaredwray/file-entry-cache) +[![npm](https://img.shields.io/npm/dm/file-entry-cache)](https://npmjs.com/package/file-entry-cache) + + +## install + +```bash +npm i --save file-entry-cache +``` + +## Usage + +The module exposes two functions `create` and `createFromFile`. + +## `create(cacheName, [directory, useCheckSum])` +- **cacheName**: the name of the cache to be created +- **directory**: Optional the directory to load the cache from +- **usecheckSum**: Whether to use md5 checksum to verify if file changed. If false the default will be to use the mtime and size of the file. + +## `createFromFile(pathToCache, [useCheckSum])` +- **pathToCache**: the path to the cache file (this combines the cache name and directory) +- **useCheckSum**: Whether to use md5 checksum to verify if file changed. If false the default will be to use the mtime and size of the file. + +```js +// loads the cache, if one does not exists for the given +// Id a new one will be prepared to be created +var fileEntryCache = require('file-entry-cache'); + +var cache = fileEntryCache.create('testCache'); + +var files = expand('../fixtures/*.txt'); + +// the first time this method is called, will return all the files +var oFiles = cache.getUpdatedFiles(files); + +// this will persist this to disk checking each file stats and +// updating the meta attributes `size` and `mtime`. +// custom fields could also be added to the meta object and will be persisted +// in order to retrieve them later +cache.reconcile(); + +// use this if you want the non visited file entries to be kept in the cache +// for more than one execution +// +// cache.reconcile( true /* noPrune */) + +// on a second run +var cache2 = fileEntryCache.create('testCache'); + +// will return now only the files that were modified or none +// if no files were modified previous to the execution of this function +var oFiles = cache.getUpdatedFiles(files); + +// if you want to prevent a file from being considered non modified +// something useful if a file failed some sort of validation +// you can then remove the entry from the cache doing +cache.removeEntry('path/to/file'); // path to file should be the same path of the file received on `getUpdatedFiles` +// that will effectively make the file to appear again as modified until the validation is passed. In that +// case you should not remove it from the cache + +// if you need all the files, so you can determine what to do with the changed ones +// you can call +var oFiles = cache.normalizeEntries(files); + +// oFiles will be an array of objects like the following +entry = { + key: 'some/name/file', the path to the file + changed: true, // if the file was changed since previous run + meta: { + size: 3242, // the size of the file + mtime: 231231231, // the modification time of the file + data: {} // some extra field stored for this file (useful to save the result of a transformation on the file + } +} + +``` + +## Motivation for this module + +I needed a super simple and dumb **in-memory cache** with optional disk persistence (write-back cache) in order to make +a script that will beautify files with `esformatter` to execute only on the files that were changed since the last run. + +In doing so the process of beautifying files was reduced from several seconds to a small fraction of a second. + +This module uses [flat-cache](https://www.npmjs.com/package/flat-cache) a super simple `key/value` cache storage with +optional file persistance. + +The main idea is to read the files when the task begins, apply the transforms required, and if the process succeed, +then store the new state of the files. The next time this module request for `getChangedFiles` will return only +the files that were modified. Making the process to end faster. + +This module could also be used by processes that modify the files applying a transform, in that case the result of the +transform could be stored in the `meta` field, of the entries. Anything added to the meta field will be persisted. +Those processes won't need to call `getChangedFiles` they will instead call `normalizeEntries` that will return the +entries with a `changed` field that can be used to determine if the file was changed or not. If it was not changed +the transformed stored data could be used instead of actually applying the transformation, saving time in case of only +a few files changed. + +In the worst case scenario all the files will be processed. In the best case scenario only a few of them will be processed. + +## Important notes +- The values set on the meta attribute of the entries should be `stringify-able` ones if possible, flat-cache uses `circular-json` to try to persist circular structures, but this should be considered experimental. The best results are always obtained with non circular values +- All the changes to the cache state are done to memory first and only persisted after reconcile. + +## License + +MIT + + diff --git a/module/node_modules/file-entry-cache/cache.js b/module/node_modules/file-entry-cache/cache.js new file mode 100644 index 000000000..6b15767e1 --- /dev/null +++ b/module/node_modules/file-entry-cache/cache.js @@ -0,0 +1,291 @@ +var path = require('path'); +var crypto = require('crypto'); + +module.exports = { + createFromFile: function (filePath, useChecksum) { + var fname = path.basename(filePath); + var dir = path.dirname(filePath); + return this.create(fname, dir, useChecksum); + }, + + create: function (cacheId, _path, useChecksum) { + var fs = require('fs'); + var flatCache = require('flat-cache'); + var cache = flatCache.load(cacheId, _path); + var normalizedEntries = {}; + + var removeNotFoundFiles = function removeNotFoundFiles() { + const cachedEntries = cache.keys(); + // remove not found entries + cachedEntries.forEach(function remover(fPath) { + try { + fs.statSync(fPath); + } catch (err) { + if (err.code === 'ENOENT') { + cache.removeKey(fPath); + } + } + }); + }; + + removeNotFoundFiles(); + + return { + /** + * the flat cache storage used to persist the metadata of the `files + * @type {Object} + */ + cache: cache, + + /** + * Given a buffer, calculate md5 hash of its content. + * @method getHash + * @param {Buffer} buffer buffer to calculate hash on + * @return {String} content hash digest + */ + getHash: function (buffer) { + return crypto.createHash('md5').update(buffer).digest('hex'); + }, + + /** + * Return whether or not a file has changed since last time reconcile was called. + * @method hasFileChanged + * @param {String} file the filepath to check + * @return {Boolean} wheter or not the file has changed + */ + hasFileChanged: function (file) { + return this.getFileDescriptor(file).changed; + }, + + /** + * given an array of file paths it return and object with three arrays: + * - changedFiles: Files that changed since previous run + * - notChangedFiles: Files that haven't change + * - notFoundFiles: Files that were not found, probably deleted + * + * @param {Array} files the files to analyze and compare to the previous seen files + * @return {[type]} [description] + */ + analyzeFiles: function (files) { + var me = this; + files = files || []; + + var res = { + changedFiles: [], + notFoundFiles: [], + notChangedFiles: [], + }; + + me.normalizeEntries(files).forEach(function (entry) { + if (entry.changed) { + res.changedFiles.push(entry.key); + return; + } + if (entry.notFound) { + res.notFoundFiles.push(entry.key); + return; + } + res.notChangedFiles.push(entry.key); + }); + return res; + }, + + getFileDescriptor: function (file) { + var fstat; + + try { + fstat = fs.statSync(file); + } catch (ex) { + this.removeEntry(file); + return { key: file, notFound: true, err: ex }; + } + + if (useChecksum) { + return this._getFileDescriptorUsingChecksum(file); + } + + return this._getFileDescriptorUsingMtimeAndSize(file, fstat); + }, + + _getFileDescriptorUsingMtimeAndSize: function (file, fstat) { + var meta = cache.getKey(file); + var cacheExists = !!meta; + + var cSize = fstat.size; + var cTime = fstat.mtime.getTime(); + + var isDifferentDate; + var isDifferentSize; + + if (!meta) { + meta = { size: cSize, mtime: cTime }; + } else { + isDifferentDate = cTime !== meta.mtime; + isDifferentSize = cSize !== meta.size; + } + + var nEntry = (normalizedEntries[file] = { + key: file, + changed: !cacheExists || isDifferentDate || isDifferentSize, + meta: meta, + }); + + return nEntry; + }, + + _getFileDescriptorUsingChecksum: function (file) { + var meta = cache.getKey(file); + var cacheExists = !!meta; + + var contentBuffer; + try { + contentBuffer = fs.readFileSync(file); + } catch (ex) { + contentBuffer = ''; + } + + var isDifferent = true; + var hash = this.getHash(contentBuffer); + + if (!meta) { + meta = { hash: hash }; + } else { + isDifferent = hash !== meta.hash; + } + + var nEntry = (normalizedEntries[file] = { + key: file, + changed: !cacheExists || isDifferent, + meta: meta, + }); + + return nEntry; + }, + + /** + * Return the list o the files that changed compared + * against the ones stored in the cache + * + * @method getUpdated + * @param files {Array} the array of files to compare against the ones in the cache + * @returns {Array} + */ + getUpdatedFiles: function (files) { + var me = this; + files = files || []; + + return me + .normalizeEntries(files) + .filter(function (entry) { + return entry.changed; + }) + .map(function (entry) { + return entry.key; + }); + }, + + /** + * return the list of files + * @method normalizeEntries + * @param files + * @returns {*} + */ + normalizeEntries: function (files) { + files = files || []; + + var me = this; + var nEntries = files.map(function (file) { + return me.getFileDescriptor(file); + }); + + //normalizeEntries = nEntries; + return nEntries; + }, + + /** + * Remove an entry from the file-entry-cache. Useful to force the file to still be considered + * modified the next time the process is run + * + * @method removeEntry + * @param entryName + */ + removeEntry: function (entryName) { + delete normalizedEntries[entryName]; + cache.removeKey(entryName); + }, + + /** + * Delete the cache file from the disk + * @method deleteCacheFile + */ + deleteCacheFile: function () { + cache.removeCacheFile(); + }, + + /** + * remove the cache from the file and clear the memory cache + */ + destroy: function () { + normalizedEntries = {}; + cache.destroy(); + }, + + _getMetaForFileUsingCheckSum: function (cacheEntry) { + var contentBuffer = fs.readFileSync(cacheEntry.key); + var hash = this.getHash(contentBuffer); + var meta = Object.assign(cacheEntry.meta, { hash: hash }); + delete meta.size; + delete meta.mtime; + return meta; + }, + + _getMetaForFileUsingMtimeAndSize: function (cacheEntry) { + var stat = fs.statSync(cacheEntry.key); + var meta = Object.assign(cacheEntry.meta, { + size: stat.size, + mtime: stat.mtime.getTime(), + }); + delete meta.hash; + return meta; + }, + + /** + * Sync the files and persist them to the cache + * @method reconcile + */ + reconcile: function (noPrune) { + removeNotFoundFiles(); + + noPrune = typeof noPrune === 'undefined' ? true : noPrune; + + var entries = normalizedEntries; + var keys = Object.keys(entries); + + if (keys.length === 0) { + return; + } + + var me = this; + + keys.forEach(function (entryName) { + var cacheEntry = entries[entryName]; + + try { + var meta = useChecksum + ? me._getMetaForFileUsingCheckSum(cacheEntry) + : me._getMetaForFileUsingMtimeAndSize(cacheEntry); + cache.setKey(entryName, meta); + } catch (err) { + // if the file does not exists we don't save it + // other errors are just thrown + if (err.code !== 'ENOENT') { + throw err; + } + } + }); + + cache.save(noPrune); + }, + }; + }, +}; diff --git a/module/node_modules/file-entry-cache/package.json b/module/node_modules/file-entry-cache/package.json new file mode 100644 index 000000000..ef63b6ff8 --- /dev/null +++ b/module/node_modules/file-entry-cache/package.json @@ -0,0 +1,56 @@ +{ + "name": "file-entry-cache", + "version": "8.0.0", + "description": "Super simple cache for file metadata, useful for process that work o a given series of files and that only need to repeat the job on the changed ones since the previous run of the process", + "repository": "jaredwray/file-entry-cache", + "license": "MIT", + "author": { + "name": "Jared Wray", + "url": "https://jaredwray.com" + }, + "main": "cache.js", + "files": [ + "cache.js" + ], + "engines": { + "node": ">=16.0.0" + }, + "scripts": { + "eslint": "eslint --cache --cache-location=node_modules/.cache/ 'cache.js' 'test/**/*.js' 'perf.js'", + "autofix": "npm run eslint -- --fix", + "clean": "rimraf ./node_modules ./package-lock.json ./yarn.lock", + "test": "npm run eslint --silent && c8 mocha -R spec test/specs", + "test:ci": "npm run eslint --silent && c8 --reporter=lcov mocha -R spec test/specs", + "perf": "node perf.js" + }, + "prepush": [ + "npm run eslint --silent" + ], + "precommit": [ + "npm run eslint --silent" + ], + "keywords": [ + "file cache", + "task cache files", + "file cache", + "key par", + "key value", + "cache" + ], + "devDependencies": { + "c8": "^8.0.1", + "chai": "^4.3.10", + "eslint": "^8.56.0", + "eslint-config-prettier": "^9.1.0", + "eslint-plugin-mocha": "^10.2.0", + "eslint-plugin-prettier": "^5.0.1", + "glob-expand": "^0.2.1", + "mocha": "^10.2.0", + "prettier": "^3.1.1", + "rimraf": "^5.0.5", + "write": "^2.0.0" + }, + "dependencies": { + "flat-cache": "^4.0.0" + } +} diff --git a/module/node_modules/find-up/index.d.ts b/module/node_modules/find-up/index.d.ts new file mode 100644 index 000000000..6746bb729 --- /dev/null +++ b/module/node_modules/find-up/index.d.ts @@ -0,0 +1,138 @@ +/* eslint-disable @typescript-eslint/unified-signatures */ +import {Options as LocatePathOptions} from 'locate-path'; + +declare const stop: unique symbol; + +declare namespace findUp { + interface Options extends LocatePathOptions {} + + type StopSymbol = typeof stop; + + type Match = string | StopSymbol | undefined; +} + +declare const findUp: { + sync: { + /** + Synchronously check if a path exists. + + @param path - Path to the file or directory. + @returns Whether the path exists. + + @example + ``` + import findUp = require('find-up'); + + console.log(findUp.sync.exists('/Users/sindresorhus/unicorn.png')); + //=> true + ``` + */ + exists: (path: string) => boolean; + + /** + Synchronously find a file or directory by walking up parent directories. + + @param name - Name of the file or directory to find. Can be multiple. + @returns The first path found (by respecting the order of `name`s) or `undefined` if none could be found. + */ + (name: string | readonly string[], options?: findUp.Options): string | undefined; + + /** + Synchronously find a file or directory by walking up parent directories. + + @param matcher - Called for each directory in the search. Return a path or `findUp.stop` to stop the search. + @returns The first path found or `undefined` if none could be found. + + @example + ``` + import path = require('path'); + import findUp = require('find-up'); + + console.log(findUp.sync(directory => { + const hasUnicorns = findUp.sync.exists(path.join(directory, 'unicorn.png')); + return hasUnicorns && directory; + }, {type: 'directory'})); + //=> '/Users/sindresorhus' + ``` + */ + (matcher: (directory: string) => findUp.Match, options?: findUp.Options): string | undefined; + }; + + /** + Check if a path exists. + + @param path - Path to a file or directory. + @returns Whether the path exists. + + @example + ``` + import findUp = require('find-up'); + + (async () => { + console.log(await findUp.exists('/Users/sindresorhus/unicorn.png')); + //=> true + })(); + ``` + */ + exists: (path: string) => Promise; + + /** + Return this in a `matcher` function to stop the search and force `findUp` to immediately return `undefined`. + */ + readonly stop: findUp.StopSymbol; + + /** + Find a file or directory by walking up parent directories. + + @param name - Name of the file or directory to find. Can be multiple. + @returns The first path found (by respecting the order of `name`s) or `undefined` if none could be found. + + @example + ``` + // / + // └── Users + // └── sindresorhus + // ├── unicorn.png + // └── foo + // └── bar + // ├── baz + // └── example.js + + // example.js + import findUp = require('find-up'); + + (async () => { + console.log(await findUp('unicorn.png')); + //=> '/Users/sindresorhus/unicorn.png' + + console.log(await findUp(['rainbow.png', 'unicorn.png'])); + //=> '/Users/sindresorhus/unicorn.png' + })(); + ``` + */ + (name: string | readonly string[], options?: findUp.Options): Promise; + + /** + Find a file or directory by walking up parent directories. + + @param matcher - Called for each directory in the search. Return a path or `findUp.stop` to stop the search. + @returns The first path found or `undefined` if none could be found. + + @example + ``` + import path = require('path'); + import findUp = require('find-up'); + + (async () => { + console.log(await findUp(async directory => { + const hasUnicorns = await findUp.exists(path.join(directory, 'unicorn.png')); + return hasUnicorns && directory; + }, {type: 'directory'})); + //=> '/Users/sindresorhus' + })(); + ``` + */ + (matcher: (directory: string) => (findUp.Match | Promise), options?: findUp.Options): Promise; +}; + +export = findUp; diff --git a/module/node_modules/find-up/index.js b/module/node_modules/find-up/index.js new file mode 100644 index 000000000..ce564e5d3 --- /dev/null +++ b/module/node_modules/find-up/index.js @@ -0,0 +1,89 @@ +'use strict'; +const path = require('path'); +const locatePath = require('locate-path'); +const pathExists = require('path-exists'); + +const stop = Symbol('findUp.stop'); + +module.exports = async (name, options = {}) => { + let directory = path.resolve(options.cwd || ''); + const {root} = path.parse(directory); + const paths = [].concat(name); + + const runMatcher = async locateOptions => { + if (typeof name !== 'function') { + return locatePath(paths, locateOptions); + } + + const foundPath = await name(locateOptions.cwd); + if (typeof foundPath === 'string') { + return locatePath([foundPath], locateOptions); + } + + return foundPath; + }; + + // eslint-disable-next-line no-constant-condition + while (true) { + // eslint-disable-next-line no-await-in-loop + const foundPath = await runMatcher({...options, cwd: directory}); + + if (foundPath === stop) { + return; + } + + if (foundPath) { + return path.resolve(directory, foundPath); + } + + if (directory === root) { + return; + } + + directory = path.dirname(directory); + } +}; + +module.exports.sync = (name, options = {}) => { + let directory = path.resolve(options.cwd || ''); + const {root} = path.parse(directory); + const paths = [].concat(name); + + const runMatcher = locateOptions => { + if (typeof name !== 'function') { + return locatePath.sync(paths, locateOptions); + } + + const foundPath = name(locateOptions.cwd); + if (typeof foundPath === 'string') { + return locatePath.sync([foundPath], locateOptions); + } + + return foundPath; + }; + + // eslint-disable-next-line no-constant-condition + while (true) { + const foundPath = runMatcher({...options, cwd: directory}); + + if (foundPath === stop) { + return; + } + + if (foundPath) { + return path.resolve(directory, foundPath); + } + + if (directory === root) { + return; + } + + directory = path.dirname(directory); + } +}; + +module.exports.exists = pathExists; + +module.exports.sync.exists = pathExists.sync; + +module.exports.stop = stop; diff --git a/module/node_modules/find-up/license b/module/node_modules/find-up/license new file mode 100644 index 000000000..fa7ceba3e --- /dev/null +++ b/module/node_modules/find-up/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (https://sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/find-up/package.json b/module/node_modules/find-up/package.json new file mode 100644 index 000000000..56db6dd80 --- /dev/null +++ b/module/node_modules/find-up/package.json @@ -0,0 +1,54 @@ +{ + "name": "find-up", + "version": "5.0.0", + "description": "Find a file or directory by walking up parent directories", + "license": "MIT", + "repository": "sindresorhus/find-up", + "funding": "https://github.com/sponsors/sindresorhus", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "https://sindresorhus.com" + }, + "engines": { + "node": ">=10" + }, + "scripts": { + "test": "xo && ava && tsd" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "keywords": [ + "find", + "up", + "find-up", + "findup", + "look-up", + "look", + "file", + "search", + "match", + "package", + "resolve", + "parent", + "parents", + "folder", + "directory", + "walk", + "walking", + "path" + ], + "dependencies": { + "locate-path": "^6.0.0", + "path-exists": "^4.0.0" + }, + "devDependencies": { + "ava": "^2.1.0", + "is-path-inside": "^2.1.0", + "tempy": "^0.6.0", + "tsd": "^0.13.1", + "xo": "^0.33.0" + } +} diff --git a/module/node_modules/find-up/readme.md b/module/node_modules/find-up/readme.md new file mode 100644 index 000000000..7ad908a7c --- /dev/null +++ b/module/node_modules/find-up/readme.md @@ -0,0 +1,151 @@ +# find-up [![Build Status](https://travis-ci.com/sindresorhus/find-up.svg?branch=master)](https://travis-ci.com/github/sindresorhus/find-up) + +> Find a file or directory by walking up parent directories + +## Install + +``` +$ npm install find-up +``` + +## Usage + +``` +/ +└── Users + └── sindresorhus + ├── unicorn.png + └── foo + └── bar + ├── baz + └── example.js +``` + +`example.js` + +```js +const path = require('path'); +const findUp = require('find-up'); + +(async () => { + console.log(await findUp('unicorn.png')); + //=> '/Users/sindresorhus/unicorn.png' + + console.log(await findUp(['rainbow.png', 'unicorn.png'])); + //=> '/Users/sindresorhus/unicorn.png' + + console.log(await findUp(async directory => { + const hasUnicorns = await findUp.exists(path.join(directory, 'unicorn.png')); + return hasUnicorns && directory; + }, {type: 'directory'})); + //=> '/Users/sindresorhus' +})(); +``` + +## API + +### findUp(name, options?) +### findUp(matcher, options?) + +Returns a `Promise` for either the path or `undefined` if it couldn't be found. + +### findUp([...name], options?) + +Returns a `Promise` for either the first path found (by respecting the order of the array) or `undefined` if none could be found. + +### findUp.sync(name, options?) +### findUp.sync(matcher, options?) + +Returns a path or `undefined` if it couldn't be found. + +### findUp.sync([...name], options?) + +Returns the first path found (by respecting the order of the array) or `undefined` if none could be found. + +#### name + +Type: `string` + +Name of the file or directory to find. + +#### matcher + +Type: `Function` + +A function that will be called with each directory until it returns a `string` with the path, which stops the search, or the root directory has been reached and nothing was found. Useful if you want to match files with certain patterns, set of permissions, or other advanced use-cases. + +When using async mode, the `matcher` may optionally be an async or promise-returning function that returns the path. + +#### options + +Type: `object` + +##### cwd + +Type: `string`\ +Default: `process.cwd()` + +Directory to start from. + +##### type + +Type: `string`\ +Default: `'file'`\ +Values: `'file'` `'directory'` + +The type of paths that can match. + +##### allowSymlinks + +Type: `boolean`\ +Default: `true` + +Allow symbolic links to match if they point to the chosen path type. + +### findUp.exists(path) + +Returns a `Promise` of whether the path exists. + +### findUp.sync.exists(path) + +Returns a `boolean` of whether the path exists. + +#### path + +Type: `string` + +Path to a file or directory. + +### findUp.stop + +A [`Symbol`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol) that can be returned by a `matcher` function to stop the search and cause `findUp` to immediately return `undefined`. Useful as a performance optimization in case the current working directory is deeply nested in the filesystem. + +```js +const path = require('path'); +const findUp = require('find-up'); + +(async () => { + await findUp(directory => { + return path.basename(directory) === 'work' ? findUp.stop : 'logo.png'; + }); +})(); +``` + +## Related + +- [find-up-cli](https://github.com/sindresorhus/find-up-cli) - CLI for this module +- [pkg-up](https://github.com/sindresorhus/pkg-up) - Find the closest package.json file +- [pkg-dir](https://github.com/sindresorhus/pkg-dir) - Find the root directory of an npm package +- [resolve-from](https://github.com/sindresorhus/resolve-from) - Resolve the path of a module like `require.resolve()` but from a given path + +--- + +
+ + Get professional support for 'find-up' with a Tidelift subscription + +
+ + Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies. + +
diff --git a/module/node_modules/flat-cache/LICENSE b/module/node_modules/flat-cache/LICENSE new file mode 100644 index 000000000..7383a47e9 --- /dev/null +++ b/module/node_modules/flat-cache/LICENSE @@ -0,0 +1,22 @@ +The MIT License (MIT) + +Copyright (c) Roy Riojas and Jared Wray + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + diff --git a/module/node_modules/flat-cache/README.md b/module/node_modules/flat-cache/README.md new file mode 100644 index 000000000..3d7793aac --- /dev/null +++ b/module/node_modules/flat-cache/README.md @@ -0,0 +1,77 @@ +# flat-cache + +> A stupidly simple key/value storage using files to persist the data + +[![NPM Version](https://img.shields.io/npm/v/flat-cache.svg?style=flat)](https://npmjs.org/package/flat-cache) +[![tests](https://github.com/jaredwray/flat-cache/actions/workflows/tests.yaml/badge.svg?branch=master)](https://github.com/jaredwray/flat-cache/actions/workflows/tests.yaml) +[![codecov](https://codecov.io/github/jaredwray/flat-cache/branch/master/graph/badge.svg?token=KxR95XT3NF)](https://codecov.io/github/jaredwray/flat-cache) +[![npm](https://img.shields.io/npm/dm/flat-cache)](https://npmjs.com/package/flat-cache) + +## install + +```bash +npm i --save flat-cache +``` + +## Usage + +```js +const flatCache = require('flat-cache'); +// loads the cache, if one does not exists for the given +// Id a new one will be prepared to be created +const cache = flatCache.load('cacheId'); + +// sets a key on the cache +cache.setKey('key', { foo: 'var' }); + +// get a key from the cache +cache.getKey('key'); // { foo: 'var' } + +// fetch the entire persisted object +cache.all(); // { 'key': { foo: 'var' } } + +// remove a key +cache.removeKey('key'); // removes a key from the cache + +// save it to disk +cache.save(); // very important, if you don't save no changes will be persisted. +// cache.save( true /* noPrune */) // can be used to prevent the removal of non visited keys + +// loads the cache from a given directory, if one does +// not exists for the given Id a new one will be prepared to be created +const cache = flatCache.load('cacheId', path.resolve('./path/to/folder')); + +// The following methods are useful to clear the cache +// delete a given cache +flatCache.clearCacheById('cacheId'); // removes the cacheId document if one exists. + +// delete all cache +flatCache.clearAll(); // remove the cache directory +``` + +## Motivation for this module + +I needed a super simple and dumb **in-memory cache** with optional disk persistance in order to make +a script that will beutify files with `esformatter` only execute on the files that were changed since the last run. +To make that possible we need to store the `fileSize` and `modificationTime` of the files. So a simple `key/value` +storage was needed and Bam! this module was born. + +## Important notes + +- If no directory is especified when the `load` method is called, a folder named `.cache` will be created + inside the module directory when `cache.save` is called. If you're committing your `node_modules` to any vcs, you + might want to ignore the default `.cache` folder, or specify a custom directory. +- The values set on the keys of the cache should be `stringify-able` ones, meaning no circular references +- All the changes to the cache state are done to memory +- I could have used a timer or `Object.observe` to deliver the changes to disk, but I wanted to keep this module + intentionally dumb and simple +- Non visited keys are removed when `cache.save()` is called. If this is not desired, you can pass `true` to the save call + like: `cache.save( true /* noPrune */ )`. + +## License + +MIT + +## Changelog + +[changelog](./changelog.md) diff --git a/module/node_modules/flat-cache/changelog.md b/module/node_modules/flat-cache/changelog.md new file mode 100644 index 000000000..866f9501d --- /dev/null +++ b/module/node_modules/flat-cache/changelog.md @@ -0,0 +1,278 @@ +# flat-cache - Changelog + +## v3.0.4 + +- **Refactoring** + - add files by name to the list of exported files - [89a2698](https://github.com/royriojas/flat-cache/commit/89a2698), [Roy Riojas](https://github.com/Roy Riojas), 08/11/2020 02:35:39 + +## v3.0.3 + +- **Bug Fixes** + - Fix wrong eslint command - [f268e42](https://github.com/royriojas/flat-cache/commit/f268e42), [Roy Riojas](https://github.com/Roy Riojas), 08/11/2020 02:15:04 + +## v3.0.2 + +- **Refactoring** + + - Update the files paths - [6983a80](https://github.com/royriojas/flat-cache/commit/6983a80), [Roy Riojas](https://github.com/Roy Riojas), 08/11/2020 01:58:39 + - Move code to src/ - [18ed6e8](https://github.com/royriojas/flat-cache/commit/18ed6e8), [Roy Riojas](https://github.com/Roy Riojas), 08/11/2020 01:57:17 + - Change eslint-cache location - [beed74c](https://github.com/royriojas/flat-cache/commit/beed74c), [Roy Riojas](https://github.com/Roy Riojas), 08/11/2020 01:48:32 + +## v3.0.1 + +- **Refactoring** + - Remove unused deps - [8c6d9dc](https://github.com/royriojas/flat-cache/commit/8c6d9dc), [Roy Riojas](https://github.com/Roy Riojas), 08/11/2020 01:43:29 + +## v3.0.0 + +- **Refactoring** + - Fix engines - [52b824c](https://github.com/royriojas/flat-cache/commit/52b824c), [Roy Riojas](https://github.com/Roy Riojas), 08/11/2020 01:01:52 +- **Other changes** + + - Replace write with combination of mkdir and writeFile ([#49](https://github.com/royriojas/flat-cache/issues/49)) - [ef48276](https://github.com/royriojas/flat-cache/commit/ef48276), [Bogdan Chadkin](https://github.com/Bogdan Chadkin), 08/11/2020 00:17:15 + + Node v10 introduced a great "recursive" option for mkdir which allows to + get rid from mkdirp package and easily rewrite "write" package usage + with two function calls. + + https://nodejs.org/api/fs.html#fs_fs_mkdir_path_options_callback + + - Added a testcase for clearAll ([#48](https://github.com/royriojas/flat-cache/issues/48)) - [45b51ca](https://github.com/royriojas/flat-cache/commit/45b51ca), [Aaron Chen](https://github.com/Aaron Chen), 21/05/2020 08:40:03 + - requet node>=10 - [a5c482c](https://github.com/royriojas/flat-cache/commit/a5c482c), [yumetodo](https://github.com/yumetodo), 10/04/2020 23:14:53 + + thanks @SuperITMan + + - Update README.md - [29fe40b](https://github.com/royriojas/flat-cache/commit/29fe40b), [Roy Riojas](https://github.com/Roy Riojas), 10/04/2020 20:08:05 + - reduce vulnerability to 1 - [e9db1b2](https://github.com/royriojas/flat-cache/commit/e9db1b2), [yumetodo](https://github.com/yumetodo), 30/03/2020 11:10:43 + - reduce vulnerabilities dependencies to 8 - [b58d196](https://github.com/royriojas/flat-cache/commit/b58d196), [yumetodo](https://github.com/yumetodo), 30/03/2020 10:54:56 + - use prettier instead of esbeautifier - [03b1db7](https://github.com/royriojas/flat-cache/commit/03b1db7), [yumetodo](https://github.com/yumetodo), 30/03/2020 10:27:14 + - update proxyquire - [c2f048d](https://github.com/royriojas/flat-cache/commit/c2f048d), [yumetodo](https://github.com/yumetodo), 30/03/2020 10:16:16 + - update flatted and mocha - [a0e56da](https://github.com/royriojas/flat-cache/commit/a0e56da), [yumetodo](https://github.com/yumetodo), 30/03/2020 09:46:45 + + mocha > mkdirp is updated + istanble >>> optimist > minimist is not updated + + - drop support node.js < 10 in develop - [beba691](https://github.com/royriojas/flat-cache/commit/beba691), [yumetodo](https://github.com/yumetodo), 18/03/2020 01:31:09 + + see mkdirp + + - npm aufit fix(still remains) - [ce166cb](https://github.com/royriojas/flat-cache/commit/ce166cb), [yumetodo](https://github.com/yumetodo), 18/03/2020 01:18:08 + + 37 vulnerabilities required manual review and could not be updated + + - updtate sinon - [9f2d1b6](https://github.com/royriojas/flat-cache/commit/9f2d1b6), [yumetodo](https://github.com/yumetodo), 18/03/2020 01:17:51 + - apply eslint-plugin-mocha - [07343b5](https://github.com/royriojas/flat-cache/commit/07343b5), [yumetodo](https://github.com/yumetodo), 13/03/2020 22:17:21 + - Less strint version check ([#44](https://github.com/royriojas/flat-cache/issues/44)) - [92aca1c](https://github.com/royriojas/flat-cache/commit/92aca1c), [Wojciech Maj](https://github.com/Wojciech Maj), 13/11/2019 16:18:25 + + - Use ^ version matching for production dependencies + - Run npm audit fix + +- **Bug Fixes** + - update dependencies and use eslint directly - [73fbed2](https://github.com/royriojas/flat-cache/commit/73fbed2), [yumetodo](https://github.com/yumetodo), 18/03/2020 01:17:27 + +## v2.0.1 + +- **Refactoring** + - upgrade node modules to latest versions - [6402ed3](https://github.com/royriojas/flat-cache/commit/6402ed3), [Roy Riojas](https://github.com/Roy Riojas), 08/01/2019 18:47:05 + +## v2.0.0 + +- **Bug Fixes** + + - upgrade package.json lock file - [8d21c7b](https://github.com/royriojas/flat-cache/commit/8d21c7b), [Roy Riojas](https://github.com/Roy Riojas), 08/01/2019 17:03:13 + - Use the same versions of node_js that eslint use - [8d23379](https://github.com/royriojas/flat-cache/commit/8d23379), [Roy Riojas](https://github.com/Roy Riojas), 08/01/2019 16:25:11 + +- **Other changes** + + - Replace circular-json with flatted ([#36](https://github.com/royriojas/flat-cache/issues/36)) - [b93aced](https://github.com/royriojas/flat-cache/commit/b93aced), [C. K. Tang](https://github.com/C. K. Tang), 08/01/2019 17:03:01 + - Change JSON parser from circular-json to flatted & 1 more changes ([#37](https://github.com/royriojas/flat-cache/issues/37)) - [745e65a](https://github.com/royriojas/flat-cache/commit/745e65a), [Andy Chen](https://github.com/Andy Chen), 08/01/2019 16:17:20 + + - Change JSON parser from circular-json to flatted & 1 more changes + - Change JSON parser from circular-json + - Audited 2 vulnerabilities + - Update package.json + - Update Engine require + - There's a bunch of dependencies in this pkg requires node >=4, so I changed it to 4 + - Remove and add node versions + - I have seen this pkg is not available with node 0.12 so I removed it + - I have added a popular used LTS version of node - 10 + +## v1.3.4 + +- **Refactoring** + - Add del.js and utils.js to the list of files to be beautified - [9d0ca9b](https://github.com/royriojas/flat-cache/commit/9d0ca9b), [Roy Riojas](https://github.com/Roy Riojas), 14/11/2018 12:19:02 + +## v1.3.3 + +- **Refactoring** + - Make sure package-lock.json is up to date - [a7d2598](https://github.com/royriojas/flat-cache/commit/a7d2598), [Roy Riojas](https://github.com/Roy Riojas), 14/11/2018 11:36:08 +- **Other changes** + + - Removed the need for del ([#33](https://github.com/royriojas/flat-cache/issues/33)) - [c429012](https://github.com/royriojas/flat-cache/commit/c429012), [S. Gilroy](https://github.com/S. Gilroy), 13/11/2018 13:56:37 + + - Removed the need for del + + Removed the need for del as newer versions have broken backwards + compatibility. del mainly uses rimraf for deleting folders + and files, replaceing it with rimraf only is a minimal change. + + - Disable glob on rimraf calls + - Added glob disable to wrong call + - Wrapped rimraf to simplify solution + +## v1.3.2 + +- **Refactoring** + - remove yarn.lock file - [704c6c4](https://github.com/royriojas/flat-cache/commit/704c6c4), [Roy Riojas](https://github.com/Roy Riojas), 07/11/2018 15:41:08 +- **Other changes** + + - replace circular-json with flatted ([#23](https://github.com/royriojas/flat-cache/issues/23))" - [db12d74](https://github.com/royriojas/flat-cache/commit/db12d74), [Roy Riojas](https://github.com/Roy Riojas), 07/11/2018 15:40:39 + + This reverts commit 00f689277a75e85fef28e6a048fad227afc525e6. + +## v1.3.1 + +- **Refactoring** + - upgrade deps to remove some security warnings - [f405719](https://github.com/royriojas/flat-cache/commit/f405719), [Roy Riojas](https://github.com/Roy Riojas), 06/11/2018 12:07:31 +- **Bug Fixes** + - replace circular-json with flatted ([#23](https://github.com/royriojas/flat-cache/issues/23)) - [00f6892](https://github.com/royriojas/flat-cache/commit/00f6892), [Terry](https://github.com/Terry), 05/11/2018 18:44:16 +- **Other changes** + + - update del to v3.0.0 ([#26](https://github.com/royriojas/flat-cache/issues/26)) - [d42883f](https://github.com/royriojas/flat-cache/commit/d42883f), [Patrick Silva](https://github.com/Patrick Silva), 03/11/2018 01:00:44 + + Closes #25 + +## v1.3.0 + +- **Other changes** + + - Added #all method ([#16](https://github.com/royriojas/flat-cache/issues/16)) - [12293be](https://github.com/royriojas/flat-cache/commit/12293be), [Ozair Patel](https://github.com/Ozair Patel), 25/09/2017 14:46:38 + + - Added #all method + - Added #all method test + - Updated readme + - Added yarn.lock + - Added more keys for #all test + - Beautified file + + - fix changelog title style ([#14](https://github.com/royriojas/flat-cache/issues/14)) - [af8338a](https://github.com/royriojas/flat-cache/commit/af8338a), [前端小武](https://github.com/前端小武), 19/12/2016 20:34:48 + +## v1.2.2 + +- **Bug Fixes** + + - Do not crash if cache file is invalid JSON. ([#13](https://github.com/royriojas/flat-cache/issues/13)) - [87beaa6](https://github.com/royriojas/flat-cache/commit/87beaa6), [Roy Riojas](https://github.com/Roy Riojas), 19/12/2016 18:03:35 + + Fixes #12 + + Not sure under which situations a cache file might exist that does + not contain a valid JSON structure, but just in case to cover + the possibility of this happening a try catch block has been added + + If the cache is somehow not valid the cache will be discarded an a + a new cache will be stored instead + +- **Other changes** + + - Added travis ci support for modern node versions ([#11](https://github.com/royriojas/flat-cache/issues/11)) - [1c2b1f7](https://github.com/royriojas/flat-cache/commit/1c2b1f7), [Amila Welihinda](https://github.com/Amila Welihinda), 10/11/2016 23:47:52 + - Bumping `circular-son` version ([#10](https://github.com/royriojas/flat-cache/issues/10)) - [4d5e861](https://github.com/royriojas/flat-cache/commit/4d5e861), [Andrea Giammarchi](https://github.com/Andrea Giammarchi), 02/08/2016 07:13:52 + + As mentioned in https://github.com/WebReflection/circular-json/issues/25 `circular-json` wan't rightly implementing the license field. + + Latest version bump changed only that bit so that ESLint should now be happy. + +## v1.2.1 + +- **Bug Fixes** + - Add missing utils.js file to the package. closes [#8](https://github.com/royriojas/flat-cache/issues/8) - [ec10cf2](https://github.com/royriojas/flat-cache/commit/ec10cf2), [Roy Riojas](https://github.com/Roy Riojas), 01/08/2016 02:18:57 + +## v1.2.0 + +- **Documentation** + - Add documentation about noPrune option - [23e11f9](https://github.com/royriojas/flat-cache/commit/23e11f9), [Roy Riojas](https://github.com/Roy Riojas), 01/08/2016 02:06:49 + +## v1.0.11 + +- **Features** + + - Add noPrune option to cache.save() method. closes [#7](https://github.com/royriojas/flat-cache/issues/7) - [2c8016a](https://github.com/royriojas/flat-cache/commit/2c8016a), [Roy Riojas](https://github.com/Roy Riojas), 01/08/2016 02:00:29 + - Add json read and write utility based on circular-json - [c31081e](https://github.com/royriojas/flat-cache/commit/c31081e), [Jean Ponchon](https://github.com/Jean Ponchon), 28/07/2016 08:58:17 + +- **Bug Fixes** + + - Remove UTF16 BOM stripping - [4a41e22](https://github.com/royriojas/flat-cache/commit/4a41e22), [Jean Ponchon](https://github.com/Jean Ponchon), 29/07/2016 02:18:06 + + Since we control both writing and reading of JSON stream, there no needs + to handle unicode BOM. + + - Use circular-json to handle circular references (fix [#5](https://github.com/royriojas/flat-cache/issues/5)) - [cd7aeed](https://github.com/royriojas/flat-cache/commit/cd7aeed), [Jean Ponchon](https://github.com/Jean Ponchon), 25/07/2016 11:11:59 + +- **Tests Related fixes** + + - Add missing file from eslint test - [d6fa3c3](https://github.com/royriojas/flat-cache/commit/d6fa3c3), [Jean Ponchon](https://github.com/Jean Ponchon), 29/07/2016 02:15:51 + - Add test for circular json serialization / deserialization - [07d2ddd](https://github.com/royriojas/flat-cache/commit/07d2ddd), [Jean Ponchon](https://github.com/Jean Ponchon), 28/07/2016 08:59:36 + +- **Refactoring** + - Remove unused read-json-sync - [2be1c24](https://github.com/royriojas/flat-cache/commit/2be1c24), [Jean Ponchon](https://github.com/Jean Ponchon), 28/07/2016 08:59:18 +- **Build Scripts Changes** + - travis tests on 0.12 and 4x - [3a613fd](https://github.com/royriojas/flat-cache/commit/3a613fd), [royriojas](https://github.com/royriojas), 15/11/2015 14:34:40 + +## v1.0.10 + +- **Build Scripts Changes** + + - add eslint-fix task - [fd29e52](https://github.com/royriojas/flat-cache/commit/fd29e52), [royriojas](https://github.com/royriojas), 01/11/2015 15:04:08 + - make sure the test script also verify beautification and linting of files before running tests - [e94e176](https://github.com/royriojas/flat-cache/commit/e94e176), [royriojas](https://github.com/royriojas), 01/11/2015 11:54:48 + +- **Other changes** + - add clearAll for cacheDir - [97383d9](https://github.com/royriojas/flat-cache/commit/97383d9), [xieyaowu](https://github.com/xieyaowu), 31/10/2015 21:02:18 + +## v1.0.9 + +- **Bug Fixes** + - wrong default values for changelogx user repo name - [7bb52d1](https://github.com/royriojas/flat-cache/commit/7bb52d1), [royriojas](https://github.com/royriojas), 11/09/2015 15:59:30 + +## v1.0.8 + +- **Build Scripts Changes** + - test against node 4 - [c395b66](https://github.com/royriojas/flat-cache/commit/c395b66), [royriojas](https://github.com/royriojas), 11/09/2015 15:51:39 + +## v1.0.7 + +- **Other changes** + - Move dependencies into devDep - [7e47099](https://github.com/royriojas/flat-cache/commit/7e47099), [Bogdan Chadkin](https://github.com/Bogdan Chadkin), 11/09/2015 15:10:57 +- **Documentation** + - Add missing changelog link - [f51197a](https://github.com/royriojas/flat-cache/commit/f51197a), [royriojas](https://github.com/royriojas), 11/09/2015 14:48:05 + +## v1.0.6 + +- **Build Scripts Changes** + - Add helpers/code check scripts - [bdb82f3](https://github.com/royriojas/flat-cache/commit/bdb82f3), [royriojas](https://github.com/royriojas), 11/09/2015 14:44:31 + +## v1.0.5 + +- **Documentation** + - better description for the module - [436817f](https://github.com/royriojas/flat-cache/commit/436817f), [royriojas](https://github.com/royriojas), 11/09/2015 14:35:33 +- **Other changes** + - Update dependencies - [be88aa3](https://github.com/royriojas/flat-cache/commit/be88aa3), [Bogdan Chadkin](https://github.com/Bogdan Chadkin), 11/09/2015 13:47:41 + +## v1.0.4 + +- **Refactoring** + - load a cache file using the full filepath - [b8f68c2](https://github.com/royriojas/flat-cache/commit/b8f68c2), [Roy Riojas](https://github.com/Roy Riojas), 30/08/2015 04:19:14 +- **Documentation** + - Add documentation about `clearAll` and `clearCacheById` - [13947c1](https://github.com/royriojas/flat-cache/commit/13947c1), [Roy Riojas](https://github.com/Roy Riojas), 01/03/2015 23:44:05 +- **Features** + - Add methods to remove the cache documents created - [af40443](https://github.com/royriojas/flat-cache/commit/af40443), [Roy Riojas](https://github.com/Roy Riojas), 01/03/2015 23:39:27 + +## v1.0.1 + +- **Other changes** + - Update README.md - [c2b6805](https://github.com/royriojas/flat-cache/commit/c2b6805), [Roy Riojas](https://github.com/Roy Riojas), 26/02/2015 04:28:07 + +## v1.0.0 + +- **Refactoring** + - flat-cache v.1.0.0 - [c984274](https://github.com/royriojas/flat-cache/commit/c984274), [Roy Riojas](https://github.com/Roy Riojas), 26/02/2015 04:11:50 +- **Other changes** + - Initial commit - [d43cccf](https://github.com/royriojas/flat-cache/commit/d43cccf), [Roy Riojas](https://github.com/Roy Riojas), 26/02/2015 01:12:16 diff --git a/module/node_modules/flat-cache/package.json b/module/node_modules/flat-cache/package.json new file mode 100644 index 000000000..b12488375 --- /dev/null +++ b/module/node_modules/flat-cache/package.json @@ -0,0 +1,63 @@ +{ + "name": "flat-cache", + "version": "4.0.1", + "description": "A stupidly simple key/value storage using files to persist some data", + "repository": "jaredwray/flat-cache", + "license": "MIT", + "author": { + "name": "Jared Wray", + "url": "https://jaredwray.com" + }, + "main": "src/cache.js", + "files": [ + "src/cache.js", + "src/del.js", + "src/utils.js" + ], + "engines": { + "node": ">=16" + }, + "precommit": [ + "npm run verify --silent" + ], + "prepush": [ + "npm run verify --silent" + ], + "scripts": { + "eslint": "eslint --cache --cache-location=node_modules/.cache/ ./src/**/*.js ./test/**/*.js", + "clean": "rimraf ./node_modules ./package-lock.json ./yarn.lock ./coverage", + "eslint-fix": "npm run eslint -- --fix", + "autofix": "npm run eslint-fix", + "check": "npm run eslint", + "verify": "npm run eslint && npm run test:cache", + "test:cache": "c8 mocha -R spec test/specs", + "test:ci:cache": "c8 --reporter=lcov mocha -R spec test/specs", + "test": "npm run verify --silent", + "format": "prettier --write ." + }, + "keywords": [ + "json cache", + "simple cache", + "file cache", + "key par", + "key value", + "cache" + ], + "devDependencies": { + "c8": "^9.1.0", + "chai": "^4.3.10", + "eslint": "^8.56.0", + "eslint-config-prettier": "^9.1.0", + "eslint-plugin-mocha": "^10.2.0", + "glob-expand": "^0.2.1", + "mocha": "^10.3.0", + "prettier": "^3.2.4", + "rimraf": "^5.0.5", + "sinon": "^17.0.1", + "write": "^2.0.0" + }, + "dependencies": { + "flatted": "^3.2.9", + "keyv": "^4.5.4" + } +} diff --git a/module/node_modules/flat-cache/src/cache.js b/module/node_modules/flat-cache/src/cache.js new file mode 100644 index 000000000..b1fdf6d88 --- /dev/null +++ b/module/node_modules/flat-cache/src/cache.js @@ -0,0 +1,214 @@ +const path = require('path'); +const fs = require('fs'); +const Keyv = require('keyv'); +const { writeJSON, tryParse } = require('./utils'); +const { del } = require('./del'); + +const cache = { + /** + * Load a cache identified by the given Id. If the element does not exists, then initialize an empty + * cache storage. If specified `cacheDir` will be used as the directory to persist the data to. If omitted + * then the cache module directory `./cache` will be used instead + * + * @method load + * @param docId {String} the id of the cache, would also be used as the name of the file cache + * @param [cacheDir] {String} directory for the cache entry + */ + load: function (docId, cacheDir) { + const me = this; + me.keyv = new Keyv(); + + me.__visited = {}; + me.__persisted = {}; + + me._pathToFile = cacheDir ? path.resolve(cacheDir, docId) : path.resolve(__dirname, '../.cache/', docId); + + if (fs.existsSync(me._pathToFile)) { + me._persisted = tryParse(me._pathToFile, {}); + } + }, + + get _persisted() { + return this.__persisted; + }, + + set _persisted(value) { + this.__persisted = value; + }, + + get _visited() { + return this.__visited; + }, + + set _visited(value) { + this.__visited = value; + }, + + /** + * Load the cache from the provided file + * @method loadFile + * @param {String} pathToFile the path to the file containing the info for the cache + */ + loadFile: function (pathToFile) { + const me = this; + const dir = path.dirname(pathToFile); + const fName = path.basename(pathToFile); + + me.load(fName, dir); + }, + + /** + * Returns the entire persisted object + * @method all + * @returns {*} + */ + all: function () { + return this._persisted; + }, + + keys: function () { + return Object.keys(this._persisted); + }, + /** + * sets a key to a given value + * @method setKey + * @param key {string} the key to set + * @param value {object} the value of the key. Could be any object that can be serialized with JSON.stringify + */ + setKey: function (key, value) { + this._visited[key] = true; + this._persisted[key] = value; + }, + /** + * remove a given key from the cache + * @method removeKey + * @param key {String} the key to remove from the object + */ + removeKey: function (key) { + delete this._visited[key]; // esfmt-ignore-line + delete this._persisted[key]; // esfmt-ignore-line + }, + /** + * Return the value of the provided key + * @method getKey + * @param key {String} the name of the key to retrieve + * @returns {*} the value from the key + */ + getKey: function (key) { + this._visited[key] = true; + return this._persisted[key]; + }, + + /** + * Remove keys that were not accessed/set since the + * last time the `prune` method was called. + * @method _prune + * @private + */ + _prune: function () { + const me = this; + const obj = {}; + + const keys = Object.keys(me._visited); + + // no keys visited for either get or set value + if (keys.length === 0) { + return; + } + + keys.forEach(function (key) { + obj[key] = me._persisted[key]; + }); + + me._visited = {}; + me._persisted = obj; + }, + + /** + * Save the state of the cache identified by the docId to disk + * as a JSON structure + * @param [noPrune=false] {Boolean} whether to remove from cache the non visited files + * @method save + */ + save: function (noPrune) { + const me = this; + !noPrune && me._prune(); + writeJSON(me._pathToFile, me._persisted); + }, + + /** + * remove the file where the cache is persisted + * @method removeCacheFile + * @return {Boolean} true or false if the file was successfully deleted + */ + removeCacheFile: function () { + return del(this._pathToFile); + }, + /** + * Destroy the file cache and cache content. + * @method destroy + */ + destroy: function () { + const me = this; + me._visited = {}; + me._persisted = {}; + + me.removeCacheFile(); + }, +}; + +module.exports = { + /** + * Alias for create. Should be considered depreacted. Will be removed in next releases + * + * @method load + * @param docId {String} the id of the cache, would also be used as the name of the file cache + * @param [cacheDir] {String} directory for the cache entry + * @returns {cache} cache instance + */ + load: function (docId, cacheDir) { + return this.create(docId, cacheDir); + }, + + /** + * Load a cache identified by the given Id. If the element does not exists, then initialize an empty + * cache storage. + * + * @method create + * @param docId {String} the id of the cache, would also be used as the name of the file cache + * @param [cacheDir] {String} directory for the cache entry + * @returns {cache} cache instance + */ + create: function (docId, cacheDir) { + const obj = Object.create(cache); + obj.load(docId, cacheDir); + return obj; + }, + + createFromFile: function (filePath) { + const obj = Object.create(cache); + obj.loadFile(filePath); + return obj; + }, + /** + * Clear the cache identified by the given id. Caches stored in a different cache directory can be deleted directly + * + * @method clearCache + * @param docId {String} the id of the cache, would also be used as the name of the file cache + * @param cacheDir {String} the directory where the cache file was written + * @returns {Boolean} true if the cache folder was deleted. False otherwise + */ + clearCacheById: function (docId, cacheDir) { + const filePath = cacheDir ? path.resolve(cacheDir, docId) : path.resolve(__dirname, '../.cache/', docId); + return del(filePath); + }, + /** + * Remove all cache stored in the cache directory + * @method clearAll + * @returns {Boolean} true if the cache folder was deleted. False otherwise + */ + clearAll: function (cacheDir) { + const filePath = cacheDir ? path.resolve(cacheDir) : path.resolve(__dirname, '../.cache/'); + return del(filePath); + }, +}; diff --git a/module/node_modules/flat-cache/src/del.js b/module/node_modules/flat-cache/src/del.js new file mode 100644 index 000000000..9cd55c369 --- /dev/null +++ b/module/node_modules/flat-cache/src/del.js @@ -0,0 +1,30 @@ +const fs = require('fs'); +const path = require('path'); + +function del(targetPath) { + if (!fs.existsSync(targetPath)) { + return false; + } + + try { + if (fs.statSync(targetPath).isDirectory()) { + // If it's a directory, delete its contents first + fs.readdirSync(targetPath).forEach(file => { + const curPath = path.join(targetPath, file); + + if (fs.statSync(curPath).isFile()) { + fs.unlinkSync(curPath); // Delete file + } + }); + fs.rmdirSync(targetPath); // Delete the now-empty directory + } else { + fs.unlinkSync(targetPath); // If it's a file, delete it directly + } + + return true; + } catch (error) { + console.error(`Error while deleting ${targetPath}: ${error.message}`); + } +} + +module.exports = { del }; diff --git a/module/node_modules/flat-cache/src/utils.js b/module/node_modules/flat-cache/src/utils.js new file mode 100644 index 000000000..c4f75fbc8 --- /dev/null +++ b/module/node_modules/flat-cache/src/utils.js @@ -0,0 +1,42 @@ +const fs = require('fs'); +const path = require('path'); +const flatted = require('flatted'); + +function tryParse(filePath, defaultValue) { + let result; + try { + result = readJSON(filePath); + } catch (ex) { + result = defaultValue; + } + return result; +} + +/** + * Read json file synchronously using flatted + * + * @param {String} filePath Json filepath + * @returns {*} parse result + */ +function readJSON(filePath) { + return flatted.parse( + fs.readFileSync(filePath, { + encoding: 'utf8', + }) + ); +} + +/** + * Write json file synchronously using circular-json + * + * @param {String} filePath Json filepath + * @param {*} data Object to serialize + */ +function writeJSON(filePath, data) { + fs.mkdirSync(path.dirname(filePath), { + recursive: true, + }); + fs.writeFileSync(filePath, flatted.stringify(data)); +} + +module.exports = { tryParse, readJSON, writeJSON }; diff --git a/module/node_modules/flatted/LICENSE b/module/node_modules/flatted/LICENSE new file mode 100644 index 000000000..506dc479c --- /dev/null +++ b/module/node_modules/flatted/LICENSE @@ -0,0 +1,15 @@ +ISC License + +Copyright (c) 2018-2020, Andrea Giammarchi, @WebReflection + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH +REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, +INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +PERFORMANCE OF THIS SOFTWARE. diff --git a/module/node_modules/flatted/README.md b/module/node_modules/flatted/README.md new file mode 100644 index 000000000..f01c4c4ce --- /dev/null +++ b/module/node_modules/flatted/README.md @@ -0,0 +1,115 @@ +# flatted + +[![Downloads](https://img.shields.io/npm/dm/flatted.svg)](https://www.npmjs.com/package/flatted) [![Coverage Status](https://coveralls.io/repos/github/WebReflection/flatted/badge.svg?branch=main)](https://coveralls.io/github/WebReflection/flatted?branch=main) [![Build Status](https://travis-ci.com/WebReflection/flatted.svg?branch=main)](https://travis-ci.com/WebReflection/flatted) [![License: ISC](https://img.shields.io/badge/License-ISC-yellow.svg)](https://opensource.org/licenses/ISC) ![WebReflection status](https://offline.report/status/webreflection.svg) + +![snow flake](./flatted.jpg) + +**Social Media Photo by [Matt Seymour](https://unsplash.com/@mattseymour) on [Unsplash](https://unsplash.com/)** + +A super light (0.5K) and fast circular JSON parser, directly from the creator of [CircularJSON](https://github.com/WebReflection/circular-json/#circularjson). + +Available also for **[PHP](./php/flatted.php)**. + +Available also for **[Python](./python/flatted.py)**. + +- - - + +## Announcement 📣 + +There is a standard approach to recursion and more data-types than what JSON allows, and it's part of the [Structured Clone polyfill](https://github.com/ungap/structured-clone/#readme). + +Beside acting as a polyfill, its `@ungap/structured-clone/json` export provides both `stringify` and `parse`, and it's been tested for being faster than *flatted*, but its produced output is also smaller than *flatted* in general. + +The *@ungap/structured-clone* module is, in short, a drop in replacement for *flatted*, but it's not compatible with *flatted* specialized syntax. + +However, if recursion, as well as more data-types, are what you are after, or interesting for your projects/use cases, consider switching to this new module whenever you can 👍 + +- - - + +```js +npm i flatted +``` + +Usable via [CDN](https://unpkg.com/flatted) or as regular module. + +```js +// ESM +import {parse, stringify, toJSON, fromJSON} from 'flatted'; + +// CJS +const {parse, stringify, toJSON, fromJSON} = require('flatted'); + +const a = [{}]; +a[0].a = a; +a.push(a); + +stringify(a); // [["1","0"],{"a":"0"}] +``` + +## toJSON and fromJSON + +If you'd like to implicitly survive JSON serialization, these two helpers helps: + +```js +import {toJSON, fromJSON} from 'flatted'; + +class RecursiveMap extends Map { + static fromJSON(any) { + return new this(fromJSON(any)); + } + toJSON() { + return toJSON([...this.entries()]); + } +} + +const recursive = new RecursiveMap; +const same = {}; +same.same = same; +recursive.set('same', same); + +const asString = JSON.stringify(recursive); +const asMap = RecursiveMap.fromJSON(JSON.parse(asString)); +asMap.get('same') === asMap.get('same').same; +// true +``` + + +## Flatted VS JSON + +As it is for every other specialized format capable of serializing and deserializing circular data, you should never `JSON.parse(Flatted.stringify(data))`, and you should never `Flatted.parse(JSON.stringify(data))`. + +The only way this could work is to `Flatted.parse(Flatted.stringify(data))`, as it is also for _CircularJSON_ or any other, otherwise there's no granted data integrity. + +Also please note this project serializes and deserializes only data compatible with JSON, so that sockets, or anything else with internal classes different from those allowed by JSON standard, won't be serialized and unserialized as expected. + + +### New in V1: Exact same JSON API + + * Added a [reviver](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse#Syntax) parameter to `.parse(string, reviver)` and revive your own objects. + * Added a [replacer](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify#Syntax) and a `space` parameter to `.stringify(object, replacer, space)` for feature parity with JSON signature. + + +### Compatibility +All ECMAScript engines compatible with `Map`, `Set`, `Object.keys`, and `Array.prototype.reduce` will work, even if polyfilled. + + +### How does it work ? +While stringifying, all Objects, including Arrays, and strings, are flattened out and replaced as unique index. `*` + +Once parsed, all indexes will be replaced through the flattened collection. + +`*` represented as string to avoid conflicts with numbers + +```js +// logic example +var a = [{one: 1}, {two: '2'}]; +a[0].a = a; +// a is the main object, will be at index '0' +// {one: 1} is the second object, index '1' +// {two: '2'} the third, in '2', and it has a string +// which will be found at index '3' + +Flatted.stringify(a); +// [["1","2"],{"one":1,"a":"0"},{"two":"3"},"2"] +// a[one,two] {one: 1, a} {two: '2'} '2' +``` diff --git a/module/node_modules/flatted/cjs/index.js b/module/node_modules/flatted/cjs/index.js new file mode 100644 index 000000000..7591f2593 --- /dev/null +++ b/module/node_modules/flatted/cjs/index.js @@ -0,0 +1,125 @@ +'use strict'; +/// + +// (c) 2020-present Andrea Giammarchi + +const {parse: $parse, stringify: $stringify} = JSON; +const {keys} = Object; + +const Primitive = String; // it could be Number +const primitive = 'string'; // it could be 'number' + +const ignore = {}; +const object = 'object'; + +const noop = (_, value) => value; + +const primitives = value => ( + value instanceof Primitive ? Primitive(value) : value +); + +const Primitives = (_, value) => ( + typeof value === primitive ? new Primitive(value) : value +); + +const revive = (input, parsed, output, $) => { + const lazy = []; + for (let ke = keys(output), {length} = ke, y = 0; y < length; y++) { + const k = ke[y]; + const value = output[k]; + if (value instanceof Primitive) { + const tmp = input[value]; + if (typeof tmp === object && !parsed.has(tmp)) { + parsed.add(tmp); + output[k] = ignore; + lazy.push({k, a: [input, parsed, tmp, $]}); + } + else + output[k] = $.call(output, k, tmp); + } + else if (output[k] !== ignore) + output[k] = $.call(output, k, value); + } + for (let {length} = lazy, i = 0; i < length; i++) { + const {k, a} = lazy[i]; + output[k] = $.call(output, k, revive.apply(null, a)); + } + return output; +}; + +const set = (known, input, value) => { + const index = Primitive(input.push(value) - 1); + known.set(value, index); + return index; +}; + +/** + * Converts a specialized flatted string into a JS value. + * @param {string} text + * @param {(this: any, key: string, value: any) => any} [reviver] + * @returns {any} + */ +const parse = (text, reviver) => { + const input = $parse(text, Primitives).map(primitives); + const value = input[0]; + const $ = reviver || noop; + const tmp = typeof value === object && value ? + revive(input, new Set, value, $) : + value; + return $.call({'': tmp}, '', tmp); +}; +exports.parse = parse; + +/** + * Converts a JS value into a specialized flatted string. + * @param {any} value + * @param {((this: any, key: string, value: any) => any) | (string | number)[] | null | undefined} [replacer] + * @param {string | number | undefined} [space] + * @returns {string} + */ +const stringify = (value, replacer, space) => { + const $ = replacer && typeof replacer === object ? + (k, v) => (k === '' || -1 < replacer.indexOf(k) ? v : void 0) : + (replacer || noop); + const known = new Map; + const input = []; + const output = []; + let i = +set(known, input, $.call({'': value}, '', value)); + let firstRun = !i; + while (i < input.length) { + firstRun = true; + output[i] = $stringify(input[i++], replace, space); + } + return '[' + output.join(',') + ']'; + function replace(key, value) { + if (firstRun) { + firstRun = !firstRun; + return value; + } + const after = $.call(this, key, value); + switch (typeof after) { + case object: + if (after === null) return after; + case primitive: + return known.get(after) || set(known, input, after); + } + return after; + } +}; +exports.stringify = stringify; + +/** + * Converts a generic value into a JSON serializable object without losing recursion. + * @param {any} value + * @returns {any} + */ +const toJSON = value => $parse(stringify(value)); +exports.toJSON = toJSON; + +/** + * Converts a previously serialized object with recursion into a recursive one. + * @param {any} value + * @returns {any} + */ +const fromJSON = value => parse($stringify(value)); +exports.fromJSON = fromJSON; diff --git a/module/node_modules/flatted/cjs/package.json b/module/node_modules/flatted/cjs/package.json new file mode 100644 index 000000000..0292b9956 --- /dev/null +++ b/module/node_modules/flatted/cjs/package.json @@ -0,0 +1 @@ +{"type":"commonjs"} \ No newline at end of file diff --git a/module/node_modules/flatted/es.js b/module/node_modules/flatted/es.js new file mode 100644 index 000000000..42c98aeff --- /dev/null +++ b/module/node_modules/flatted/es.js @@ -0,0 +1 @@ +self.Flatted=function(t){"use strict";const{parse:e,stringify:n}=JSON,{keys:r}=Object,s=String,o="string",c={},l="object",a=(t,e)=>e,f=t=>t instanceof s?s(t):t,i=(t,e)=>typeof e===o?new s(e):e,u=(t,e,n,o)=>{const a=[];for(let f=r(n),{length:i}=f,u=0;u{const r=s(e.push(n)-1);return t.set(n,r),r},y=(t,n)=>{const r=e(t,i).map(f),s=r[0],o=n||a,c=typeof s===l&&s?u(r,new Set,s,o):s;return o.call({"":c},"",c)},g=(t,e,r)=>{const s=e&&typeof e===l?(t,n)=>""===t||-1y(n(t)),t.parse=y,t.stringify=g,t.toJSON=t=>e(g(t)),t}({}); diff --git a/module/node_modules/flatted/esm.js b/module/node_modules/flatted/esm.js new file mode 100644 index 000000000..a5d5351e9 --- /dev/null +++ b/module/node_modules/flatted/esm.js @@ -0,0 +1 @@ +const{parse:t,stringify:e}=JSON,{keys:n}=Object,l=String,o="string",r={},s="object",c=(t,e)=>e,a=t=>t instanceof l?l(t):t,f=(t,e)=>typeof e===o?new l(e):e,i=(t,e,o,c)=>{const a=[];for(let f=n(o),{length:i}=f,p=0;p{const o=l(e.push(n)-1);return t.set(n,o),o},u=(e,n)=>{const l=t(e,f).map(a),o=l[0],r=n||c,p=typeof o===s&&o?i(l,new Set,o,r):o;return r.call({"":p},"",p)},h=(t,n,l)=>{const r=n&&typeof n===s?(t,e)=>""===t||-1t(h(e)),g=t=>u(e(t));export{g as fromJSON,u as parse,h as stringify,y as toJSON}; diff --git a/module/node_modules/flatted/esm/index.js b/module/node_modules/flatted/esm/index.js new file mode 100644 index 000000000..d203851ae --- /dev/null +++ b/module/node_modules/flatted/esm/index.js @@ -0,0 +1,120 @@ +/// + +// (c) 2020-present Andrea Giammarchi + +const {parse: $parse, stringify: $stringify} = JSON; +const {keys} = Object; + +const Primitive = String; // it could be Number +const primitive = 'string'; // it could be 'number' + +const ignore = {}; +const object = 'object'; + +const noop = (_, value) => value; + +const primitives = value => ( + value instanceof Primitive ? Primitive(value) : value +); + +const Primitives = (_, value) => ( + typeof value === primitive ? new Primitive(value) : value +); + +const revive = (input, parsed, output, $) => { + const lazy = []; + for (let ke = keys(output), {length} = ke, y = 0; y < length; y++) { + const k = ke[y]; + const value = output[k]; + if (value instanceof Primitive) { + const tmp = input[value]; + if (typeof tmp === object && !parsed.has(tmp)) { + parsed.add(tmp); + output[k] = ignore; + lazy.push({k, a: [input, parsed, tmp, $]}); + } + else + output[k] = $.call(output, k, tmp); + } + else if (output[k] !== ignore) + output[k] = $.call(output, k, value); + } + for (let {length} = lazy, i = 0; i < length; i++) { + const {k, a} = lazy[i]; + output[k] = $.call(output, k, revive.apply(null, a)); + } + return output; +}; + +const set = (known, input, value) => { + const index = Primitive(input.push(value) - 1); + known.set(value, index); + return index; +}; + +/** + * Converts a specialized flatted string into a JS value. + * @param {string} text + * @param {(this: any, key: string, value: any) => any} [reviver] + * @returns {any} + */ +export const parse = (text, reviver) => { + const input = $parse(text, Primitives).map(primitives); + const value = input[0]; + const $ = reviver || noop; + const tmp = typeof value === object && value ? + revive(input, new Set, value, $) : + value; + return $.call({'': tmp}, '', tmp); +}; + +/** + * Converts a JS value into a specialized flatted string. + * @param {any} value + * @param {((this: any, key: string, value: any) => any) | (string | number)[] | null | undefined} [replacer] + * @param {string | number | undefined} [space] + * @returns {string} + */ +export const stringify = (value, replacer, space) => { + const $ = replacer && typeof replacer === object ? + (k, v) => (k === '' || -1 < replacer.indexOf(k) ? v : void 0) : + (replacer || noop); + const known = new Map; + const input = []; + const output = []; + let i = +set(known, input, $.call({'': value}, '', value)); + let firstRun = !i; + while (i < input.length) { + firstRun = true; + output[i] = $stringify(input[i++], replace, space); + } + return '[' + output.join(',') + ']'; + function replace(key, value) { + if (firstRun) { + firstRun = !firstRun; + return value; + } + const after = $.call(this, key, value); + switch (typeof after) { + case object: + if (after === null) return after; + case primitive: + return known.get(after) || set(known, input, after); + } + return after; + } +}; + +/** + * Converts a generic value into a JSON serializable object without losing recursion. + * @param {any} value + * @returns {any} + */ +export const toJSON = value => $parse(stringify(value)); + +/** + * Converts a previously serialized object with recursion into a recursive one. + * @param {any} value + * @returns {any} + */ +export const fromJSON = value => parse($stringify(value)); diff --git a/module/node_modules/flatted/index.js b/module/node_modules/flatted/index.js new file mode 100644 index 000000000..f40414abf --- /dev/null +++ b/module/node_modules/flatted/index.js @@ -0,0 +1,146 @@ +self.Flatted = (function (exports) { + 'use strict'; + + function _typeof(o) { + "@babel/helpers - typeof"; + + return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { + return typeof o; + } : function (o) { + return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; + }, _typeof(o); + } + + /// + + // (c) 2020-present Andrea Giammarchi + + var $parse = JSON.parse, + $stringify = JSON.stringify; + var keys = Object.keys; + var Primitive = String; // it could be Number + var primitive = 'string'; // it could be 'number' + + var ignore = {}; + var object = 'object'; + var noop = function noop(_, value) { + return value; + }; + var primitives = function primitives(value) { + return value instanceof Primitive ? Primitive(value) : value; + }; + var Primitives = function Primitives(_, value) { + return _typeof(value) === primitive ? new Primitive(value) : value; + }; + var _revive = function revive(input, parsed, output, $) { + var lazy = []; + for (var ke = keys(output), length = ke.length, y = 0; y < length; y++) { + var k = ke[y]; + var value = output[k]; + if (value instanceof Primitive) { + var tmp = input[value]; + if (_typeof(tmp) === object && !parsed.has(tmp)) { + parsed.add(tmp); + output[k] = ignore; + lazy.push({ + k: k, + a: [input, parsed, tmp, $] + }); + } else output[k] = $.call(output, k, tmp); + } else if (output[k] !== ignore) output[k] = $.call(output, k, value); + } + for (var _length = lazy.length, i = 0; i < _length; i++) { + var _lazy$i = lazy[i], + _k = _lazy$i.k, + a = _lazy$i.a; + output[_k] = $.call(output, _k, _revive.apply(null, a)); + } + return output; + }; + var set = function set(known, input, value) { + var index = Primitive(input.push(value) - 1); + known.set(value, index); + return index; + }; + + /** + * Converts a specialized flatted string into a JS value. + * @param {string} text + * @param {(this: any, key: string, value: any) => any} [reviver] + * @returns {any} + */ + var parse = function parse(text, reviver) { + var input = $parse(text, Primitives).map(primitives); + var value = input[0]; + var $ = reviver || noop; + var tmp = _typeof(value) === object && value ? _revive(input, new Set(), value, $) : value; + return $.call({ + '': tmp + }, '', tmp); + }; + + /** + * Converts a JS value into a specialized flatted string. + * @param {any} value + * @param {((this: any, key: string, value: any) => any) | (string | number)[] | null | undefined} [replacer] + * @param {string | number | undefined} [space] + * @returns {string} + */ + var stringify = function stringify(value, replacer, space) { + var $ = replacer && _typeof(replacer) === object ? function (k, v) { + return k === '' || -1 < replacer.indexOf(k) ? v : void 0; + } : replacer || noop; + var known = new Map(); + var input = []; + var output = []; + var i = +set(known, input, $.call({ + '': value + }, '', value)); + var firstRun = !i; + while (i < input.length) { + firstRun = true; + output[i] = $stringify(input[i++], replace, space); + } + return '[' + output.join(',') + ']'; + function replace(key, value) { + if (firstRun) { + firstRun = !firstRun; + return value; + } + var after = $.call(this, key, value); + switch (_typeof(after)) { + case object: + if (after === null) return after; + case primitive: + return known.get(after) || set(known, input, after); + } + return after; + } + }; + + /** + * Converts a generic value into a JSON serializable object without losing recursion. + * @param {any} value + * @returns {any} + */ + var toJSON = function toJSON(value) { + return $parse(stringify(value)); + }; + + /** + * Converts a previously serialized object with recursion into a recursive one. + * @param {any} value + * @returns {any} + */ + var fromJSON = function fromJSON(value) { + return parse($stringify(value)); + }; + + exports.fromJSON = fromJSON; + exports.parse = parse; + exports.stringify = stringify; + exports.toJSON = toJSON; + + return exports; + +})({}); diff --git a/module/node_modules/flatted/min.js b/module/node_modules/flatted/min.js new file mode 100644 index 000000000..ad049a4ad --- /dev/null +++ b/module/node_modules/flatted/min.js @@ -0,0 +1 @@ +self.Flatted=function(n){"use strict";function t(n){return t="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(n){return typeof n}:function(n){return n&&"function"==typeof Symbol&&n.constructor===Symbol&&n!==Symbol.prototype?"symbol":typeof n},t(n)}var r=JSON.parse,e=JSON.stringify,o=Object.keys,u=String,f="string",i={},c="object",a=function(n,t){return t},l=function(n){return n instanceof u?u(n):n},s=function(n,r){return t(r)===f?new u(r):r},y=function(n,r,e,f){for(var a=[],l=o(e),s=l.length,p=0;p ./coverage/lcov.info" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/WebReflection/flatted.git" + }, + "files": [ + "LICENSE", + "README.md", + "cjs/", + "es.js", + "esm.js", + "esm/", + "index.js", + "min.js", + "php/flatted.php", + "python/flatted.py", + "types/" + ], + "keywords": [ + "circular", + "JSON", + "fast", + "parser", + "minimal" + ], + "author": "Andrea Giammarchi", + "license": "ISC", + "bugs": { + "url": "https://github.com/WebReflection/flatted/issues" + }, + "homepage": "https://github.com/WebReflection/flatted#readme", + "devDependencies": { + "@babel/core": "^7.26.9", + "@babel/preset-env": "^7.26.9", + "@rollup/plugin-babel": "^6.0.4", + "@rollup/plugin-terser": "^0.4.4", + "@ungap/structured-clone": "^1.3.0", + "ascjs": "^6.0.3", + "c8": "^10.1.3", + "circular-json": "^0.5.9", + "circular-json-es6": "^2.0.2", + "jsan": "^3.1.14", + "rollup": "^4.34.8", + "terser": "^5.39.0", + "typescript": "^5.7.3" + }, + "module": "./esm/index.js", + "type": "module", + "exports": { + ".": { + "types": "./types/index.d.ts", + "import": "./esm/index.js", + "default": "./cjs/index.js" + }, + "./esm": "./esm.js", + "./package.json": "./package.json" + }, + "types": "./types/index.d.ts" +} diff --git a/module/node_modules/flatted/php/flatted.php b/module/node_modules/flatted/php/flatted.php new file mode 100644 index 000000000..22659f6a0 --- /dev/null +++ b/module/node_modules/flatted/php/flatted.php @@ -0,0 +1,156 @@ +value = $value; + } +} + +class Flatted { + + // public utilities + public static function parse($json, $assoc = false, $depth = 512, $options = 0) { + $input = array_map( + 'Flatted::asString', + array_map( + 'Flatted::wrap', + json_decode($json, $assoc, $depth, $options) + ) + ); + $value = &$input[0]; + $set = array(); + $set[] = &$value; + if (is_array($value)) + return Flatted::loop(false, array_keys($value), $input, $set, $value); + if (is_object($value)) + return Flatted::loop(true, Flatted::keys($value), $input, $set, $value); + return $value; + } + + public static function stringify($value, $options = 0, $depth = 512) { + $known = new stdClass; + $known->key = array(); + $known->value = array(); + $input = array(); + $output = array(); + $i = intval(Flatted::index($known, $input, $value)); + while ($i < count($input)) { + $output[$i] = Flatted::transform($known, $input, $input[$i]); + $i++; + } + return json_encode($output, $options, $depth); + } + + // private helpers + private static function asString($value) { + return $value instanceof FlattedString ? $value->value : $value; + } + + private static function index(&$known, &$input, &$value) { + $input[] = &$value; + $index = strval(count($input) - 1); + $known->key[] = &$value; + $known->value[] = &$index; + return $index; + } + + private static function keys(&$value) { + $obj = new ReflectionObject($value); + $props = $obj->getProperties(); + $keys = array(); + foreach ($props as $prop) + $keys[] = $prop->getName(); + return $keys; + } + + private static function loop($obj, $keys, &$input, &$set, &$output) { + foreach ($keys as $key) { + $value = $obj ? $output->$key : $output[$key]; + if ($value instanceof FlattedString) + Flatted::ref($obj, $key, $input[$value->value], $input, $set, $output); + } + return $output; + } + + private static function relate(&$known, &$input, &$value) { + if (is_string($value) || is_array($value) || is_object($value)) { + $key = array_search($value, $known->key, true); + if ($key !== false) + return $known->value[$key]; + return Flatted::index($known, $input, $value); + } + return $value; + } + + private static function ref($obj, &$key, &$value, &$input, &$set, &$output) { + if (is_array($value) && !in_array($value, $set, true)) { + $set[] = $value; + $value = Flatted::loop(false, array_keys($value), $input, $set, $value); + } + elseif (is_object($value) && !in_array($value, $set, true)) { + $set[] = $value; + $value = Flatted::loop(true, Flatted::keys($value), $input, $set, $value); + } + if ($obj) { + $output->$key = &$value; + } + else { + $output[$key] = &$value; + } + } + + private static function transform(&$known, &$input, &$value) { + if (is_array($value)) { + return array_map( + function ($value) use(&$known, &$input) { + return Flatted::relate($known, $input, $value); + }, + $value + ); + } + if (is_object($value)) { + $object = new stdClass; + $keys = Flatted::keys($value); + foreach ($keys as $key) + $object->$key = Flatted::relate($known, $input, $value->$key); + return $object; + } + return $value; + } + + private static function wrap($value) { + if (is_string($value)) { + return new FlattedString($value); + } + if (is_array($value)) { + return array_map('Flatted::wrap', $value); + } + if (is_object($value)) { + $keys = Flatted::keys($value); + foreach ($keys as $key) { + $value->$key = self::wrap($value->$key); + } + } + return $value; + } +} +?> \ No newline at end of file diff --git a/module/node_modules/flatted/python/flatted.py b/module/node_modules/flatted/python/flatted.py new file mode 100644 index 000000000..a7e57fc91 --- /dev/null +++ b/module/node_modules/flatted/python/flatted.py @@ -0,0 +1,149 @@ +# ISC License +# +# Copyright (c) 2018-2025, Andrea Giammarchi, @WebReflection +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH +# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, +# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM +# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE +# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR +# PERFORMANCE OF THIS SOFTWARE. + +import json as _json + +class _Known: + def __init__(self): + self.key = [] + self.value = [] + +class _String: + def __init__(self, value): + self.value = value + + +def _array_keys(value): + keys = [] + i = 0 + for _ in value: + keys.append(i) + i += 1 + return keys + +def _object_keys(value): + keys = [] + for key in value: + keys.append(key) + return keys + +def _is_array(value): + return isinstance(value, (list, tuple)) + +def _is_object(value): + return isinstance(value, dict) + +def _is_string(value): + return isinstance(value, str) + +def _index(known, input, value): + input.append(value) + index = str(len(input) - 1) + known.key.append(value) + known.value.append(index) + return index + +def _loop(keys, input, known, output): + for key in keys: + value = output[key] + if isinstance(value, _String): + _ref(key, input[int(value.value)], input, known, output) + + return output + +def _ref(key, value, input, known, output): + if _is_array(value) and value not in known: + known.append(value) + value = _loop(_array_keys(value), input, known, value) + elif _is_object(value) and value not in known: + known.append(value) + value = _loop(_object_keys(value), input, known, value) + + output[key] = value + +def _relate(known, input, value): + if _is_string(value) or _is_array(value) or _is_object(value): + try: + return known.value[known.key.index(value)] + except: + return _index(known, input, value) + + return value + +def _transform(known, input, value): + if _is_array(value): + output = [] + for val in value: + output.append(_relate(known, input, val)) + return output + + if _is_object(value): + obj = {} + for key in value: + obj[key] = _relate(known, input, value[key]) + return obj + + return value + +def _wrap(value): + if _is_string(value): + return _String(value) + + if _is_array(value): + i = 0 + for val in value: + value[i] = _wrap(val) + i += 1 + + elif _is_object(value): + for key in value: + value[key] = _wrap(value[key]) + + return value + +def parse(value, *args, **kwargs): + json = _json.loads(value, *args, **kwargs) + wrapped = [] + for value in json: + wrapped.append(_wrap(value)) + + input = [] + for value in wrapped: + if isinstance(value, _String): + input.append(value.value) + else: + input.append(value) + + value = input[0] + + if _is_array(value): + return _loop(_array_keys(value), input, [value], value) + + if _is_object(value): + return _loop(_object_keys(value), input, [value], value) + + return value + + +def stringify(value, *args, **kwargs): + known = _Known() + input = [] + output = [] + i = int(_index(known, input, value)) + while i < len(input): + output.append(_transform(known, input, input[i])) + i += 1 + return _json.dumps(output, *args, **kwargs) diff --git a/module/node_modules/flatted/types/index.d.ts b/module/node_modules/flatted/types/index.d.ts new file mode 100644 index 000000000..75dac3385 --- /dev/null +++ b/module/node_modules/flatted/types/index.d.ts @@ -0,0 +1,4 @@ +export function parse(text: string, reviver?: (this: any, key: string, value: any) => any): any; +export function stringify(value: any, replacer?: (string | number)[] | ((this: any, key: string, value: any) => any), space?: string | number | undefined): string; +export function toJSON(value: any): any; +export function fromJSON(value: any): any; diff --git a/module/node_modules/glob-parent/LICENSE b/module/node_modules/glob-parent/LICENSE new file mode 100644 index 000000000..d701b0832 --- /dev/null +++ b/module/node_modules/glob-parent/LICENSE @@ -0,0 +1,15 @@ +The ISC License + +Copyright (c) 2015, 2019 Elan Shanker, 2021 Blaine Bublitz , Eric Schoffstall and other contributors + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR +IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/module/node_modules/glob-parent/README.md b/module/node_modules/glob-parent/README.md new file mode 100644 index 000000000..6ae18a1a0 --- /dev/null +++ b/module/node_modules/glob-parent/README.md @@ -0,0 +1,134 @@ +

+ + + +

+ +# glob-parent + +[![NPM version][npm-image]][npm-url] [![Downloads][downloads-image]][npm-url] [![Build Status][ci-image]][ci-url] [![Coveralls Status][coveralls-image]][coveralls-url] + +Extract the non-magic parent path from a glob string. + +## Usage + +```js +var globParent = require('glob-parent'); + +globParent('path/to/*.js'); // 'path/to' +globParent('/root/path/to/*.js'); // '/root/path/to' +globParent('/*.js'); // '/' +globParent('*.js'); // '.' +globParent('**/*.js'); // '.' +globParent('path/{to,from}'); // 'path' +globParent('path/!(to|from)'); // 'path' +globParent('path/?(to|from)'); // 'path' +globParent('path/+(to|from)'); // 'path' +globParent('path/*(to|from)'); // 'path' +globParent('path/@(to|from)'); // 'path' +globParent('path/**/*'); // 'path' + +// if provided a non-glob path, returns the nearest dir +globParent('path/foo/bar.js'); // 'path/foo' +globParent('path/foo/'); // 'path/foo' +globParent('path/foo'); // 'path' (see issue #3 for details) +``` + +## API + +### `globParent(maybeGlobString, [options])` + +Takes a string and returns the part of the path before the glob begins. Be aware of Escaping rules and Limitations below. + +#### options + +```js +{ + // Disables the automatic conversion of slashes for Windows + flipBackslashes: true; +} +``` + +## Escaping + +The following characters have special significance in glob patterns and must be escaped if you want them to be treated as regular path characters: + +- `?` (question mark) unless used as a path segment alone +- `*` (asterisk) +- `|` (pipe) +- `(` (opening parenthesis) +- `)` (closing parenthesis) +- `{` (opening curly brace) +- `}` (closing curly brace) +- `[` (opening bracket) +- `]` (closing bracket) + +**Example** + +```js +globParent('foo/[bar]/'); // 'foo' +globParent('foo/\\[bar]/'); // 'foo/[bar]' +``` + +## Limitations + +### Braces & Brackets + +This library attempts a quick and imperfect method of determining which path +parts have glob magic without fully parsing/lexing the pattern. There are some +advanced use cases that can trip it up, such as nested braces where the outer +pair is escaped and the inner one contains a path separator. If you find +yourself in the unlikely circumstance of being affected by this or need to +ensure higher-fidelity glob handling in your library, it is recommended that you +pre-process your input with [expand-braces] and/or [expand-brackets]. + +### Windows + +Backslashes are not valid path separators for globs. If a path with backslashes +is provided anyway, for simple cases, glob-parent will replace the path +separator for you and return the non-glob parent path (now with +forward-slashes, which are still valid as Windows path separators). + +This cannot be used in conjunction with escape characters. + +```js +// BAD +globParent('C:\\Program Files \\(x86\\)\\*.ext'); // 'C:/Program Files /(x86/)' + +// GOOD +globParent('C:/Program Files\\(x86\\)/*.ext'); // 'C:/Program Files (x86)' +``` + +If you are using escape characters for a pattern without path parts (i.e. +relative to `cwd`), prefix with `./` to avoid confusing glob-parent. + +```js +// BAD +globParent('foo \\[bar]'); // 'foo ' +globParent('foo \\[bar]*'); // 'foo ' + +// GOOD +globParent('./foo \\[bar]'); // 'foo [bar]' +globParent('./foo \\[bar]*'); // '.' +``` + +## License + +ISC + + +[downloads-image]: https://img.shields.io/npm/dm/glob-parent.svg?style=flat-square +[npm-url]: https://www.npmjs.com/package/glob-parent +[npm-image]: https://img.shields.io/npm/v/glob-parent.svg?style=flat-square + +[ci-url]: https://github.com/gulpjs/glob-parent/actions?query=workflow:dev +[ci-image]: https://img.shields.io/github/workflow/status/gulpjs/glob-parent/dev?style=flat-square + +[coveralls-url]: https://coveralls.io/r/gulpjs/glob-parent +[coveralls-image]: https://img.shields.io/coveralls/gulpjs/glob-parent/master.svg?style=flat-square + + + +[expand-braces]: https://github.com/jonschlinkert/expand-braces +[expand-brackets]: https://github.com/jonschlinkert/expand-brackets + diff --git a/module/node_modules/glob-parent/index.js b/module/node_modules/glob-parent/index.js new file mode 100644 index 000000000..09dde64ba --- /dev/null +++ b/module/node_modules/glob-parent/index.js @@ -0,0 +1,75 @@ +'use strict'; + +var isGlob = require('is-glob'); +var pathPosixDirname = require('path').posix.dirname; +var isWin32 = require('os').platform() === 'win32'; + +var slash = '/'; +var backslash = /\\/g; +var escaped = /\\([!*?|[\](){}])/g; + +/** + * @param {string} str + * @param {Object} opts + * @param {boolean} [opts.flipBackslashes=true] + */ +module.exports = function globParent(str, opts) { + var options = Object.assign({ flipBackslashes: true }, opts); + + // flip windows path separators + if (options.flipBackslashes && isWin32 && str.indexOf(slash) < 0) { + str = str.replace(backslash, slash); + } + + // special case for strings ending in enclosure containing path separator + if (isEnclosure(str)) { + str += slash; + } + + // preserves full path in case of trailing path separator + str += 'a'; + + // remove path parts that are globby + do { + str = pathPosixDirname(str); + } while (isGlobby(str)); + + // remove escape chars and return result + return str.replace(escaped, '$1'); +}; + +function isEnclosure(str) { + var lastChar = str.slice(-1); + + var enclosureStart; + switch (lastChar) { + case '}': + enclosureStart = '{'; + break; + case ']': + enclosureStart = '['; + break; + default: + return false; + } + + var foundIndex = str.indexOf(enclosureStart); + if (foundIndex < 0) { + return false; + } + + return str.slice(foundIndex + 1, -1).includes(slash); +} + +function isGlobby(str) { + if (/\([^()]+$/.test(str)) { + return true; + } + if (str[0] === '{' || str[0] === '[') { + return true; + } + if (/[^\\][{[]/.test(str)) { + return true; + } + return isGlob(str); +} diff --git a/module/node_modules/glob-parent/package.json b/module/node_modules/glob-parent/package.json new file mode 100644 index 000000000..baeab4217 --- /dev/null +++ b/module/node_modules/glob-parent/package.json @@ -0,0 +1,54 @@ +{ + "name": "glob-parent", + "version": "6.0.2", + "description": "Extract the non-magic parent path from a glob string.", + "author": "Gulp Team (https://gulpjs.com/)", + "contributors": [ + "Elan Shanker (https://github.com/es128)", + "Blaine Bublitz " + ], + "repository": "gulpjs/glob-parent", + "license": "ISC", + "engines": { + "node": ">=10.13.0" + }, + "main": "index.js", + "files": [ + "LICENSE", + "index.js" + ], + "scripts": { + "lint": "eslint .", + "pretest": "npm run lint", + "test": "nyc mocha --async-only" + }, + "dependencies": { + "is-glob": "^4.0.3" + }, + "devDependencies": { + "eslint": "^7.0.0", + "eslint-config-gulp": "^5.0.0", + "expect": "^26.0.1", + "mocha": "^7.1.2", + "nyc": "^15.0.1" + }, + "nyc": { + "reporter": [ + "lcov", + "text-summary" + ] + }, + "prettier": { + "singleQuote": true + }, + "keywords": [ + "glob", + "parent", + "strip", + "path", + "dirname", + "directory", + "base", + "wildcard" + ] +} diff --git a/module/node_modules/globals/globals.json b/module/node_modules/globals/globals.json new file mode 100644 index 000000000..4e75173f0 --- /dev/null +++ b/module/node_modules/globals/globals.json @@ -0,0 +1,1998 @@ +{ + "builtin": { + "AggregateError": false, + "Array": false, + "ArrayBuffer": false, + "Atomics": false, + "BigInt": false, + "BigInt64Array": false, + "BigUint64Array": false, + "Boolean": 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"ObjectSpecifier": false, + "Path": false, + "Progress": false, + "Ref": false + }, + "serviceworker": { + "addEventListener": false, + "applicationCache": false, + "atob": false, + "Blob": false, + "BroadcastChannel": false, + "btoa": false, + "ByteLengthQueuingStrategy": false, + "Cache": false, + "caches": false, + "CacheStorage": false, + "clearInterval": false, + "clearTimeout": false, + "Client": false, + "clients": false, + "Clients": false, + "close": true, + "CompressionStream": false, + "console": false, + "CountQueuingStrategy": false, + "crypto": false, + "Crypto": false, + "CryptoKey": false, + "CustomEvent": false, + "DecompressionStream": false, + "ErrorEvent": false, + "Event": false, + "ExtendableEvent": false, + "ExtendableMessageEvent": false, + "fetch": false, + "FetchEvent": false, + "File": false, + "FileReaderSync": false, + "FormData": false, + "Headers": false, + "IDBCursor": false, + "IDBCursorWithValue": false, + "IDBDatabase": false, + "IDBFactory": false, + "IDBIndex": false, + "IDBKeyRange": false, + "IDBObjectStore": false, + "IDBOpenDBRequest": false, + "IDBRequest": false, + "IDBTransaction": false, + "IDBVersionChangeEvent": false, + "ImageData": false, + "importScripts": false, + "indexedDB": false, + "location": false, + "MessageChannel": false, + "MessageEvent": false, + "MessagePort": false, + "name": false, + "navigator": false, + "Notification": false, + "onclose": true, + "onconnect": true, + "onerror": true, + "onfetch": true, + "oninstall": true, + "onlanguagechange": true, + "onmessage": true, + "onmessageerror": true, + "onnotificationclick": true, + "onnotificationclose": true, + "onoffline": true, + "ononline": true, + "onpush": true, + "onpushsubscriptionchange": true, + "onrejectionhandled": true, + "onsync": true, + "onunhandledrejection": true, + "performance": false, + "Performance": false, + "PerformanceEntry": false, + "PerformanceMark": false, + "PerformanceMeasure": false, + "PerformanceNavigation": false, + "PerformanceObserver": false, + "PerformanceObserverEntryList": false, + "PerformanceResourceTiming": false, + "PerformanceTiming": false, + "postMessage": true, + "Promise": false, + "queueMicrotask": false, + "ReadableByteStreamController": false, + "ReadableStream": false, + "ReadableStreamBYOBReader": false, + "ReadableStreamBYOBRequest": false, + "ReadableStreamDefaultController": false, + "ReadableStreamDefaultReader": false, + "registration": false, + "removeEventListener": false, + "Request": false, + "Response": false, + "self": false, + "ServiceWorker": false, + "ServiceWorkerContainer": false, + "ServiceWorkerGlobalScope": false, + "ServiceWorkerMessageEvent": false, + "ServiceWorkerRegistration": false, + "setInterval": false, + "setTimeout": false, + "skipWaiting": false, + "SubtleCrypto": false, + "TextDecoder": false, + "TextDecoderStream": false, + "TextEncoder": false, + "TextEncoderStream": false, + "TransformStream": false, + "TransformStreamDefaultController": false, + "URL": false, + "URLSearchParams": false, + "WebAssembly": false, + "WebSocket": false, + "WindowClient": false, + "Worker": false, + "WorkerGlobalScope": false, + "WritableStream": false, + "WritableStreamDefaultController": false, + "WritableStreamDefaultWriter": false, + "XMLHttpRequest": false + }, + "atomtest": { + "advanceClock": false, + "atom": false, + "fakeClearInterval": false, + "fakeClearTimeout": false, + "fakeSetInterval": false, + "fakeSetTimeout": false, + "resetTimeouts": false, + "waitsForPromise": false + }, + "embertest": { + "andThen": false, + "click": false, + "currentPath": false, + "currentRouteName": false, + "currentURL": false, + "fillIn": false, + "find": false, + "findAll": false, + "findWithAssert": false, + "keyEvent": false, + "pauseTest": false, + "resumeTest": false, + "triggerEvent": false, + "visit": false, + "wait": false + }, + "protractor": { + "$": false, + "$$": false, + "browser": false, + "by": false, + "By": false, + "DartObject": false, + "element": false, + "protractor": false + }, + "shared-node-browser": { + "AbortController": false, + "AbortSignal": false, + "atob": false, + "Blob": false, + "BroadcastChannel": false, + "btoa": false, + "ByteLengthQueuingStrategy": false, + "clearInterval": false, + "clearTimeout": false, + "CompressionStream": false, + "console": false, + "CountQueuingStrategy": false, + "crypto": false, + "Crypto": false, + "CryptoKey": false, + "CustomEvent": false, + "DecompressionStream": false, + "DOMException": false, + "Event": false, + "EventTarget": false, + "fetch": false, + "File": false, + "FormData": false, + "Headers": false, + "Intl": false, + "MessageChannel": false, + "MessageEvent": false, + "MessagePort": false, + "performance": false, + "PerformanceEntry": false, + "PerformanceMark": false, + "PerformanceMeasure": false, + "PerformanceObserver": false, + "PerformanceObserverEntryList": false, + "PerformanceResourceTiming": false, + "queueMicrotask": false, + "ReadableByteStreamController": false, + "ReadableStream": false, + "ReadableStreamBYOBReader": false, + "ReadableStreamBYOBRequest": false, + "ReadableStreamDefaultController": false, + "ReadableStreamDefaultReader": false, + "Request": false, + "Response": false, + "setInterval": false, + "setTimeout": false, + "structuredClone": false, + "SubtleCrypto": false, + "TextDecoder": false, + "TextDecoderStream": false, + "TextEncoder": false, + "TextEncoderStream": false, + "TransformStream": false, + "TransformStreamDefaultController": false, + "URL": false, + "URLSearchParams": false, + "WebAssembly": false, + "WritableStream": false, + "WritableStreamDefaultController": false, + "WritableStreamDefaultWriter": false + }, + "webextensions": { + "browser": false, + "chrome": false, + "opr": false + }, + "greasemonkey": { + "cloneInto": false, + "createObjectIn": false, + "exportFunction": false, + "GM": false, + "GM_addElement": false, + "GM_addStyle": false, + "GM_addValueChangeListener": false, + "GM_deleteValue": false, + "GM_download": false, + "GM_getResourceText": false, + "GM_getResourceURL": false, + "GM_getTab": false, + "GM_getTabs": false, + "GM_getValue": false, + "GM_info": false, + "GM_listValues": false, + "GM_log": false, + "GM_notification": false, + "GM_openInTab": false, + "GM_registerMenuCommand": false, + "GM_removeValueChangeListener": false, + "GM_saveTab": false, + "GM_setClipboard": false, + "GM_setValue": false, + "GM_unregisterMenuCommand": false, + "GM_xmlhttpRequest": false, + "unsafeWindow": false + }, + "devtools": { + "$": false, + "$_": false, + "$$": false, + "$0": false, + "$1": false, + "$2": false, + "$3": false, + "$4": false, + "$x": false, + "chrome": false, + "clear": false, + "copy": false, + "debug": false, + "dir": false, + "dirxml": false, + "getEventListeners": false, + "inspect": false, + "keys": false, + "monitor": false, + "monitorEvents": false, + "profile": false, + "profileEnd": false, + "queryObjects": false, + "table": false, + "undebug": false, + "unmonitor": false, + "unmonitorEvents": false, + "values": false + } +} diff --git a/module/node_modules/globals/index.d.ts b/module/node_modules/globals/index.d.ts new file mode 100644 index 000000000..edd861f9e --- /dev/null +++ b/module/node_modules/globals/index.d.ts @@ -0,0 +1,2077 @@ +// This file is autogenerated by scripts/generate-types.mjs +// Do NOT modify this file manually + +type GlobalsBuiltin = { + readonly 'AggregateError': false; + readonly 'Array': false; + readonly 'ArrayBuffer': false; + readonly 'Atomics': false; + readonly 'BigInt': false; + readonly 'BigInt64Array': false; + readonly 'BigUint64Array': false; + readonly 'Boolean': false; + readonly 'constructor': false; + readonly 'DataView': false; + readonly 'Date': false; + readonly 'decodeURI': false; + readonly 'decodeURIComponent': false; + readonly 'encodeURI': false; + readonly 'encodeURIComponent': false; + readonly 'Error': false; + readonly 'escape': false; + readonly 'eval': false; + readonly 'EvalError': false; + readonly 'FinalizationRegistry': false; + readonly 'Float32Array': false; + readonly 'Float64Array': false; + readonly 'Function': false; + readonly 'globalThis': false; + readonly 'hasOwnProperty': false; + readonly 'Infinity': false; + readonly 'Int16Array': false; + readonly 'Int32Array': false; + readonly 'Int8Array': false; + readonly 'isFinite': false; + readonly 'isNaN': false; + readonly 'isPrototypeOf': false; + readonly 'JSON': false; + readonly 'Map': false; + readonly 'Math': false; + readonly 'NaN': false; + readonly 'Number': false; + readonly 'Object': false; + readonly 'parseFloat': false; + readonly 'parseInt': false; + readonly 'Promise': false; + readonly 'propertyIsEnumerable': false; + readonly 'Proxy': false; + readonly 'RangeError': false; + readonly 'ReferenceError': false; + readonly 'Reflect': false; + readonly 'RegExp': false; + readonly 'Set': false; + readonly 'SharedArrayBuffer': false; + readonly 'String': false; + readonly 'Symbol': false; + readonly 'SyntaxError': false; + readonly 'toLocaleString': false; + readonly 'toString': false; + readonly 'TypeError': false; + readonly 'Uint16Array': false; + readonly 'Uint32Array': false; + readonly 'Uint8Array': false; + readonly 'Uint8ClampedArray': false; + readonly 'undefined': false; + readonly 'unescape': false; + readonly 'URIError': false; + readonly 'valueOf': false; + readonly 'WeakMap': false; + readonly 'WeakRef': false; + readonly 'WeakSet': false; +} + +type GlobalsEs5 = { + readonly 'Array': false; + readonly 'Boolean': false; + readonly 'constructor': false; + readonly 'Date': false; + readonly 'decodeURI': false; + readonly 'decodeURIComponent': false; + readonly 'encodeURI': false; + readonly 'encodeURIComponent': false; + readonly 'Error': false; + readonly 'escape': false; + readonly 'eval': false; + readonly 'EvalError': false; + readonly 'Function': false; + readonly 'hasOwnProperty': false; + readonly 'Infinity': false; + readonly 'isFinite': false; + readonly 'isNaN': false; + readonly 'isPrototypeOf': false; + readonly 'JSON': false; + readonly 'Math': false; + readonly 'NaN': false; + readonly 'Number': false; + readonly 'Object': false; + readonly 'parseFloat': false; + readonly 'parseInt': false; + readonly 'propertyIsEnumerable': false; + readonly 'RangeError': false; + readonly 'ReferenceError': false; + readonly 'RegExp': false; + readonly 'String': false; + readonly 'SyntaxError': false; + readonly 'toLocaleString': false; + readonly 'toString': false; + readonly 'TypeError': false; + readonly 'undefined': false; + readonly 'unescape': false; + readonly 'URIError': false; + readonly 'valueOf': false; +} + +type GlobalsEs2015 = { + readonly 'Array': false; + readonly 'ArrayBuffer': false; + readonly 'Boolean': false; + readonly 'constructor': false; + readonly 'DataView': false; + readonly 'Date': false; + readonly 'decodeURI': false; + readonly 'decodeURIComponent': false; + readonly 'encodeURI': false; + readonly 'encodeURIComponent': false; + readonly 'Error': false; + readonly 'escape': false; + readonly 'eval': false; + readonly 'EvalError': false; + readonly 'Float32Array': false; + readonly 'Float64Array': false; + readonly 'Function': false; + readonly 'hasOwnProperty': false; + readonly 'Infinity': false; + readonly 'Int16Array': false; + readonly 'Int32Array': false; + readonly 'Int8Array': false; + readonly 'isFinite': false; + readonly 'isNaN': false; + readonly 'isPrototypeOf': false; + readonly 'JSON': false; + readonly 'Map': false; + readonly 'Math': false; + readonly 'NaN': false; + readonly 'Number': false; + readonly 'Object': false; + readonly 'parseFloat': false; + readonly 'parseInt': false; + readonly 'Promise': false; + readonly 'propertyIsEnumerable': false; + readonly 'Proxy': false; + readonly 'RangeError': false; + readonly 'ReferenceError': false; + readonly 'Reflect': false; + readonly 'RegExp': false; + readonly 'Set': false; + readonly 'String': false; + readonly 'Symbol': false; + readonly 'SyntaxError': false; + readonly 'toLocaleString': false; + readonly 'toString': false; + readonly 'TypeError': false; + readonly 'Uint16Array': false; + readonly 'Uint32Array': false; + readonly 'Uint8Array': false; + readonly 'Uint8ClampedArray': false; + readonly 'undefined': false; + readonly 'unescape': false; + readonly 'URIError': false; + readonly 'valueOf': false; + readonly 'WeakMap': false; + readonly 'WeakSet': false; +} + +type GlobalsEs2017 = { + readonly 'Array': false; + readonly 'ArrayBuffer': false; + readonly 'Atomics': false; + readonly 'Boolean': false; + readonly 'constructor': false; + readonly 'DataView': false; + readonly 'Date': false; + readonly 'decodeURI': false; + readonly 'decodeURIComponent': false; + readonly 'encodeURI': false; + readonly 'encodeURIComponent': false; + readonly 'Error': false; + readonly 'escape': false; + readonly 'eval': false; + readonly 'EvalError': false; + readonly 'Float32Array': false; + readonly 'Float64Array': false; + readonly 'Function': false; + readonly 'hasOwnProperty': false; + readonly 'Infinity': false; + readonly 'Int16Array': false; + readonly 'Int32Array': false; + readonly 'Int8Array': false; + readonly 'isFinite': false; + readonly 'isNaN': false; + readonly 'isPrototypeOf': false; + readonly 'JSON': false; + readonly 'Map': false; + readonly 'Math': false; + readonly 'NaN': false; + readonly 'Number': false; + readonly 'Object': false; + readonly 'parseFloat': false; + readonly 'parseInt': false; + readonly 'Promise': false; + readonly 'propertyIsEnumerable': false; + readonly 'Proxy': false; + readonly 'RangeError': false; + readonly 'ReferenceError': false; + readonly 'Reflect': false; + readonly 'RegExp': false; + readonly 'Set': false; + readonly 'SharedArrayBuffer': false; + readonly 'String': false; + readonly 'Symbol': false; + readonly 'SyntaxError': false; + readonly 'toLocaleString': false; + readonly 'toString': false; + readonly 'TypeError': false; + readonly 'Uint16Array': false; + readonly 'Uint32Array': false; + readonly 'Uint8Array': false; + readonly 'Uint8ClampedArray': false; + readonly 'undefined': false; + readonly 'unescape': false; + readonly 'URIError': false; + readonly 'valueOf': false; + readonly 'WeakMap': false; + readonly 'WeakSet': false; +} + +type GlobalsEs2020 = { + readonly 'Array': false; + readonly 'ArrayBuffer': false; + readonly 'Atomics': false; + readonly 'BigInt': false; + readonly 'BigInt64Array': false; + readonly 'BigUint64Array': false; + readonly 'Boolean': false; + readonly 'constructor': false; + readonly 'DataView': false; + readonly 'Date': false; + readonly 'decodeURI': false; + readonly 'decodeURIComponent': false; + readonly 'encodeURI': false; + readonly 'encodeURIComponent': false; + readonly 'Error': false; + readonly 'escape': false; + readonly 'eval': false; + readonly 'EvalError': false; + readonly 'Float32Array': false; + readonly 'Float64Array': false; + readonly 'Function': false; + readonly 'globalThis': false; + readonly 'hasOwnProperty': false; + readonly 'Infinity': false; + readonly 'Int16Array': false; + readonly 'Int32Array': false; + readonly 'Int8Array': false; + readonly 'isFinite': false; + readonly 'isNaN': false; + readonly 'isPrototypeOf': false; + readonly 'JSON': false; + readonly 'Map': false; + readonly 'Math': false; + readonly 'NaN': false; + readonly 'Number': false; + readonly 'Object': false; + readonly 'parseFloat': false; + readonly 'parseInt': false; + readonly 'Promise': false; + readonly 'propertyIsEnumerable': false; + readonly 'Proxy': false; + readonly 'RangeError': false; + readonly 'ReferenceError': false; + readonly 'Reflect': false; + readonly 'RegExp': false; + readonly 'Set': false; + readonly 'SharedArrayBuffer': false; + readonly 'String': false; + readonly 'Symbol': false; + readonly 'SyntaxError': false; + readonly 'toLocaleString': false; + readonly 'toString': false; + readonly 'TypeError': false; + readonly 'Uint16Array': false; + readonly 'Uint32Array': false; + readonly 'Uint8Array': false; + readonly 'Uint8ClampedArray': false; + readonly 'undefined': false; + readonly 'unescape': false; + readonly 'URIError': false; + readonly 'valueOf': false; + readonly 'WeakMap': false; + readonly 'WeakSet': false; +} + +type GlobalsEs2021 = { + readonly 'AggregateError': false; + readonly 'Array': false; + readonly 'ArrayBuffer': false; + readonly 'Atomics': false; + readonly 'BigInt': false; + readonly 'BigInt64Array': false; + readonly 'BigUint64Array': false; + readonly 'Boolean': false; + readonly 'constructor': false; + readonly 'DataView': false; + readonly 'Date': false; + readonly 'decodeURI': false; + readonly 'decodeURIComponent': false; + readonly 'encodeURI': false; + readonly 'encodeURIComponent': false; + readonly 'Error': false; + readonly 'escape': false; + readonly 'eval': false; + readonly 'EvalError': false; + readonly 'FinalizationRegistry': false; + readonly 'Float32Array': false; + readonly 'Float64Array': false; + readonly 'Function': false; + readonly 'globalThis': false; + readonly 'hasOwnProperty': false; + readonly 'Infinity': false; + readonly 'Int16Array': false; + readonly 'Int32Array': false; + readonly 'Int8Array': false; + readonly 'isFinite': false; + readonly 'isNaN': false; + readonly 'isPrototypeOf': false; + readonly 'JSON': false; + readonly 'Map': false; + readonly 'Math': false; + readonly 'NaN': false; + readonly 'Number': false; + readonly 'Object': false; + readonly 'parseFloat': false; + readonly 'parseInt': false; + readonly 'Promise': false; + readonly 'propertyIsEnumerable': false; + readonly 'Proxy': false; + readonly 'RangeError': false; + readonly 'ReferenceError': false; + readonly 'Reflect': false; + readonly 'RegExp': false; + readonly 'Set': false; + readonly 'SharedArrayBuffer': false; + readonly 'String': false; + readonly 'Symbol': false; + readonly 'SyntaxError': false; + readonly 'toLocaleString': false; + readonly 'toString': false; + readonly 'TypeError': false; + readonly 'Uint16Array': false; + readonly 'Uint32Array': false; + readonly 'Uint8Array': false; + readonly 'Uint8ClampedArray': false; + readonly 'undefined': false; + readonly 'unescape': false; + readonly 'URIError': false; + readonly 'valueOf': false; + readonly 'WeakMap': false; + readonly 'WeakRef': false; + readonly 'WeakSet': false; +} + +type GlobalsBrowser = { + readonly 'AbortController': false; + readonly 'AbortSignal': false; + readonly 'addEventListener': false; + readonly 'alert': false; + readonly 'AnalyserNode': false; + readonly 'Animation': false; + readonly 'AnimationEffectReadOnly': false; + readonly 'AnimationEffectTiming': false; + readonly 'AnimationEffectTimingReadOnly': false; + readonly 'AnimationEvent': false; + readonly 'AnimationPlaybackEvent': false; + readonly 'AnimationTimeline': false; + readonly 'applicationCache': false; + readonly 'ApplicationCache': false; + readonly 'ApplicationCacheErrorEvent': false; + readonly 'atob': false; + readonly 'Attr': false; + readonly 'Audio': false; + readonly 'AudioBuffer': false; + readonly 'AudioBufferSourceNode': false; + readonly 'AudioContext': false; + readonly 'AudioDestinationNode': false; + readonly 'AudioListener': false; + readonly 'AudioNode': false; + readonly 'AudioParam': false; + readonly 'AudioProcessingEvent': false; + readonly 'AudioScheduledSourceNode': false; + readonly 'AudioWorkletGlobalScope': false; + readonly 'AudioWorkletNode': false; + readonly 'AudioWorkletProcessor': false; + readonly 'BarProp': false; + readonly 'BaseAudioContext': false; + readonly 'BatteryManager': false; + readonly 'BeforeUnloadEvent': false; + readonly 'BiquadFilterNode': false; + readonly 'Blob': false; + readonly 'BlobEvent': false; + readonly 'blur': false; + readonly 'BroadcastChannel': false; + readonly 'btoa': false; + readonly 'BudgetService': false; + readonly 'ByteLengthQueuingStrategy': false; + readonly 'Cache': false; + readonly 'caches': false; + readonly 'CacheStorage': false; + readonly 'cancelAnimationFrame': false; + readonly 'cancelIdleCallback': false; + readonly 'CanvasCaptureMediaStreamTrack': false; + readonly 'CanvasGradient': false; + readonly 'CanvasPattern': false; + readonly 'CanvasRenderingContext2D': false; + readonly 'ChannelMergerNode': false; + readonly 'ChannelSplitterNode': false; + readonly 'CharacterData': false; + readonly 'clearInterval': false; + readonly 'clearTimeout': false; + readonly 'clientInformation': false; + readonly 'ClipboardEvent': false; + readonly 'ClipboardItem': false; + readonly 'close': false; + readonly 'closed': false; + readonly 'CloseEvent': false; + readonly 'Comment': false; + readonly 'CompositionEvent': false; + readonly 'CompressionStream': false; + readonly 'confirm': false; + readonly 'console': false; + readonly 'ConstantSourceNode': false; + readonly 'ConvolverNode': false; + readonly 'CountQueuingStrategy': false; + readonly 'createImageBitmap': false; + readonly 'Credential': false; + readonly 'CredentialsContainer': false; + readonly 'crypto': false; + readonly 'Crypto': false; + readonly 'CryptoKey': false; + readonly 'CSS': false; + readonly 'CSSConditionRule': false; + readonly 'CSSFontFaceRule': false; + readonly 'CSSGroupingRule': false; + readonly 'CSSImportRule': false; + readonly 'CSSKeyframeRule': false; + readonly 'CSSKeyframesRule': false; + readonly 'CSSMatrixComponent': false; + readonly 'CSSMediaRule': false; + readonly 'CSSNamespaceRule': false; + readonly 'CSSPageRule': false; + readonly 'CSSPerspective': false; + readonly 'CSSRotate': false; + readonly 'CSSRule': false; + readonly 'CSSRuleList': false; + readonly 'CSSScale': false; + readonly 'CSSSkew': false; + readonly 'CSSSkewX': false; + readonly 'CSSSkewY': false; + readonly 'CSSStyleDeclaration': false; + readonly 'CSSStyleRule': false; + readonly 'CSSStyleSheet': false; + readonly 'CSSSupportsRule': false; + readonly 'CSSTransformValue': false; + readonly 'CSSTranslate': false; + readonly 'CustomElementRegistry': false; + readonly 'customElements': false; + readonly 'CustomEvent': false; + readonly 'DataTransfer': false; + readonly 'DataTransferItem': false; + readonly 'DataTransferItemList': false; + readonly 'DecompressionStream': false; + readonly 'defaultstatus': false; + readonly 'defaultStatus': false; + readonly 'DelayNode': false; + readonly 'DeviceMotionEvent': false; + readonly 'DeviceOrientationEvent': false; + readonly 'devicePixelRatio': false; + readonly 'dispatchEvent': false; + readonly 'document': false; + readonly 'Document': false; + readonly 'DocumentFragment': false; + readonly 'DocumentType': false; + readonly 'DOMError': false; + readonly 'DOMException': false; + readonly 'DOMImplementation': false; + readonly 'DOMMatrix': false; + readonly 'DOMMatrixReadOnly': false; + readonly 'DOMParser': false; + readonly 'DOMPoint': false; + readonly 'DOMPointReadOnly': false; + readonly 'DOMQuad': false; + readonly 'DOMRect': false; + readonly 'DOMRectList': false; + readonly 'DOMRectReadOnly': false; + readonly 'DOMStringList': false; + readonly 'DOMStringMap': false; + readonly 'DOMTokenList': false; + readonly 'DragEvent': false; + readonly 'DynamicsCompressorNode': false; + readonly 'Element': false; + readonly 'ErrorEvent': false; + readonly 'event': false; + readonly 'Event': false; + readonly 'EventSource': false; + readonly 'EventTarget': false; + readonly 'external': false; + readonly 'fetch': false; + readonly 'File': false; + readonly 'FileList': false; + readonly 'FileReader': false; + readonly 'find': false; + readonly 'focus': false; + readonly 'FocusEvent': false; + readonly 'FontFace': false; + readonly 'FontFaceSetLoadEvent': false; + readonly 'FormData': false; + readonly 'FormDataEvent': false; + readonly 'frameElement': false; + readonly 'frames': false; + readonly 'GainNode': false; + readonly 'Gamepad': false; + readonly 'GamepadButton': false; + readonly 'GamepadEvent': false; + readonly 'getComputedStyle': false; + readonly 'getSelection': false; + readonly 'HashChangeEvent': false; + readonly 'Headers': false; + readonly 'history': false; + readonly 'History': false; + readonly 'HTMLAllCollection': false; + readonly 'HTMLAnchorElement': false; + readonly 'HTMLAreaElement': false; + readonly 'HTMLAudioElement': false; + readonly 'HTMLBaseElement': false; + readonly 'HTMLBodyElement': false; + readonly 'HTMLBRElement': false; + readonly 'HTMLButtonElement': false; + readonly 'HTMLCanvasElement': false; + readonly 'HTMLCollection': false; + readonly 'HTMLContentElement': false; + readonly 'HTMLDataElement': false; + readonly 'HTMLDataListElement': false; + readonly 'HTMLDetailsElement': false; + readonly 'HTMLDialogElement': false; + readonly 'HTMLDirectoryElement': false; + readonly 'HTMLDivElement': false; + readonly 'HTMLDListElement': false; + readonly 'HTMLDocument': false; + readonly 'HTMLElement': false; + readonly 'HTMLEmbedElement': false; + readonly 'HTMLFieldSetElement': false; + readonly 'HTMLFontElement': false; + readonly 'HTMLFormControlsCollection': false; + readonly 'HTMLFormElement': false; + readonly 'HTMLFrameElement': false; + readonly 'HTMLFrameSetElement': false; + readonly 'HTMLHeadElement': false; + readonly 'HTMLHeadingElement': false; + readonly 'HTMLHRElement': false; + readonly 'HTMLHtmlElement': false; + readonly 'HTMLIFrameElement': false; + readonly 'HTMLImageElement': false; + readonly 'HTMLInputElement': false; + readonly 'HTMLLabelElement': false; + readonly 'HTMLLegendElement': false; + readonly 'HTMLLIElement': false; + readonly 'HTMLLinkElement': false; + readonly 'HTMLMapElement': false; + readonly 'HTMLMarqueeElement': false; + readonly 'HTMLMediaElement': false; + readonly 'HTMLMenuElement': false; + readonly 'HTMLMetaElement': false; + readonly 'HTMLMeterElement': false; + readonly 'HTMLModElement': false; + readonly 'HTMLObjectElement': false; + readonly 'HTMLOListElement': false; + readonly 'HTMLOptGroupElement': false; + readonly 'HTMLOptionElement': false; + readonly 'HTMLOptionsCollection': false; + readonly 'HTMLOutputElement': false; + readonly 'HTMLParagraphElement': false; + readonly 'HTMLParamElement': false; + readonly 'HTMLPictureElement': false; + readonly 'HTMLPreElement': false; + readonly 'HTMLProgressElement': false; + readonly 'HTMLQuoteElement': false; + readonly 'HTMLScriptElement': false; + readonly 'HTMLSelectElement': false; + readonly 'HTMLShadowElement': false; + readonly 'HTMLSlotElement': false; + readonly 'HTMLSourceElement': false; + readonly 'HTMLSpanElement': false; + readonly 'HTMLStyleElement': false; + readonly 'HTMLTableCaptionElement': false; + readonly 'HTMLTableCellElement': false; + readonly 'HTMLTableColElement': false; + readonly 'HTMLTableElement': false; + readonly 'HTMLTableRowElement': false; + readonly 'HTMLTableSectionElement': false; + readonly 'HTMLTemplateElement': false; + readonly 'HTMLTextAreaElement': false; + readonly 'HTMLTimeElement': false; + readonly 'HTMLTitleElement': false; + readonly 'HTMLTrackElement': false; + readonly 'HTMLUListElement': false; + readonly 'HTMLUnknownElement': false; + readonly 'HTMLVideoElement': false; + readonly 'IDBCursor': false; + readonly 'IDBCursorWithValue': false; + readonly 'IDBDatabase': false; + readonly 'IDBFactory': false; + readonly 'IDBIndex': false; + readonly 'IDBKeyRange': false; + readonly 'IDBObjectStore': false; + readonly 'IDBOpenDBRequest': false; + readonly 'IDBRequest': false; + readonly 'IDBTransaction': false; + readonly 'IDBVersionChangeEvent': false; + readonly 'IdleDeadline': false; + readonly 'IIRFilterNode': false; + readonly 'Image': false; + readonly 'ImageBitmap': false; + readonly 'ImageBitmapRenderingContext': false; + readonly 'ImageCapture': false; + readonly 'ImageData': false; + readonly 'indexedDB': false; + readonly 'innerHeight': false; + readonly 'innerWidth': false; + readonly 'InputEvent': false; + readonly 'IntersectionObserver': false; + readonly 'IntersectionObserverEntry': false; + readonly 'Intl': false; + readonly 'isSecureContext': false; + readonly 'KeyboardEvent': false; + readonly 'KeyframeEffect': false; + readonly 'KeyframeEffectReadOnly': false; + readonly 'length': false; + readonly 'localStorage': false; + readonly 'location': true; + readonly 'Location': false; + readonly 'locationbar': false; + readonly 'matchMedia': false; + readonly 'MediaDeviceInfo': false; + readonly 'MediaDevices': false; + readonly 'MediaElementAudioSourceNode': false; + readonly 'MediaEncryptedEvent': false; + readonly 'MediaError': false; + readonly 'MediaKeyMessageEvent': false; + readonly 'MediaKeySession': false; + readonly 'MediaKeyStatusMap': false; + readonly 'MediaKeySystemAccess': false; + readonly 'MediaList': false; + readonly 'MediaMetadata': false; + readonly 'MediaQueryList': false; + readonly 'MediaQueryListEvent': false; + readonly 'MediaRecorder': false; + readonly 'MediaSettingsRange': false; + readonly 'MediaSource': false; + readonly 'MediaStream': false; + readonly 'MediaStreamAudioDestinationNode': false; + readonly 'MediaStreamAudioSourceNode': false; + readonly 'MediaStreamConstraints': false; + readonly 'MediaStreamEvent': false; + readonly 'MediaStreamTrack': false; + readonly 'MediaStreamTrackEvent': false; + readonly 'menubar': false; + readonly 'MessageChannel': false; + readonly 'MessageEvent': false; + readonly 'MessagePort': false; + readonly 'MIDIAccess': false; + readonly 'MIDIConnectionEvent': false; + readonly 'MIDIInput': false; + readonly 'MIDIInputMap': false; + readonly 'MIDIMessageEvent': false; + readonly 'MIDIOutput': false; + readonly 'MIDIOutputMap': false; + readonly 'MIDIPort': false; + readonly 'MimeType': false; + readonly 'MimeTypeArray': false; + readonly 'MouseEvent': false; + readonly 'moveBy': false; + readonly 'moveTo': false; + readonly 'MutationEvent': false; + readonly 'MutationObserver': false; + readonly 'MutationRecord': false; + readonly 'name': false; + readonly 'NamedNodeMap': false; + readonly 'NavigationPreloadManager': false; + readonly 'navigator': false; + readonly 'Navigator': false; + readonly 'NavigatorUAData': false; + readonly 'NetworkInformation': false; + readonly 'Node': false; + readonly 'NodeFilter': false; + readonly 'NodeIterator': false; + readonly 'NodeList': false; + readonly 'Notification': false; + readonly 'OfflineAudioCompletionEvent': false; + readonly 'OfflineAudioContext': false; + readonly 'offscreenBuffering': false; + readonly 'OffscreenCanvas': true; + readonly 'OffscreenCanvasRenderingContext2D': false; + readonly 'onabort': true; + readonly 'onafterprint': true; + readonly 'onanimationend': true; + readonly 'onanimationiteration': true; + readonly 'onanimationstart': true; + readonly 'onappinstalled': true; + readonly 'onauxclick': true; + readonly 'onbeforeinstallprompt': true; + readonly 'onbeforeprint': true; + readonly 'onbeforeunload': true; + readonly 'onblur': true; + readonly 'oncancel': true; + readonly 'oncanplay': true; + readonly 'oncanplaythrough': true; + readonly 'onchange': true; + readonly 'onclick': true; + readonly 'onclose': true; + readonly 'oncontextmenu': true; + readonly 'oncuechange': true; + readonly 'ondblclick': true; + readonly 'ondevicemotion': true; + readonly 'ondeviceorientation': true; + readonly 'ondeviceorientationabsolute': true; + readonly 'ondrag': true; + readonly 'ondragend': true; + readonly 'ondragenter': true; + readonly 'ondragleave': true; + readonly 'ondragover': true; + readonly 'ondragstart': true; + readonly 'ondrop': true; + readonly 'ondurationchange': true; + readonly 'onemptied': true; + readonly 'onended': true; + readonly 'onerror': true; + readonly 'onfocus': true; + readonly 'ongotpointercapture': true; + readonly 'onhashchange': true; + readonly 'oninput': true; + readonly 'oninvalid': true; + readonly 'onkeydown': true; + readonly 'onkeypress': true; + readonly 'onkeyup': true; + readonly 'onlanguagechange': true; + readonly 'onload': true; + readonly 'onloadeddata': true; + readonly 'onloadedmetadata': true; + readonly 'onloadstart': true; + readonly 'onlostpointercapture': true; + readonly 'onmessage': true; + readonly 'onmessageerror': true; + readonly 'onmousedown': true; + readonly 'onmouseenter': true; + readonly 'onmouseleave': true; + readonly 'onmousemove': true; + readonly 'onmouseout': true; + readonly 'onmouseover': true; + readonly 'onmouseup': true; + readonly 'onmousewheel': true; + readonly 'onoffline': true; + readonly 'ononline': true; + readonly 'onpagehide': true; + readonly 'onpageshow': true; + readonly 'onpause': true; + readonly 'onplay': true; + readonly 'onplaying': true; + readonly 'onpointercancel': true; + readonly 'onpointerdown': true; + readonly 'onpointerenter': true; + readonly 'onpointerleave': true; + readonly 'onpointermove': true; + readonly 'onpointerout': true; + readonly 'onpointerover': true; + readonly 'onpointerup': true; + readonly 'onpopstate': true; + readonly 'onprogress': true; + readonly 'onratechange': true; + readonly 'onrejectionhandled': true; + readonly 'onreset': true; + readonly 'onresize': true; + readonly 'onscroll': true; + readonly 'onsearch': true; + readonly 'onseeked': true; + readonly 'onseeking': true; + readonly 'onselect': true; + readonly 'onstalled': true; + readonly 'onstorage': true; + readonly 'onsubmit': true; + readonly 'onsuspend': true; + readonly 'ontimeupdate': true; + readonly 'ontoggle': true; + readonly 'ontransitionend': true; + readonly 'onunhandledrejection': true; + readonly 'onunload': true; + readonly 'onvolumechange': true; + readonly 'onwaiting': true; + readonly 'onwheel': true; + readonly 'open': false; + readonly 'openDatabase': false; + readonly 'opener': false; + readonly 'Option': false; + readonly 'origin': false; + readonly 'OscillatorNode': false; + readonly 'outerHeight': false; + readonly 'outerWidth': false; + readonly 'OverconstrainedError': false; + readonly 'PageTransitionEvent': false; + readonly 'pageXOffset': false; + readonly 'pageYOffset': false; + readonly 'PannerNode': false; + readonly 'parent': false; + readonly 'Path2D': false; + readonly 'PaymentAddress': false; + readonly 'PaymentRequest': false; + readonly 'PaymentRequestUpdateEvent': false; + readonly 'PaymentResponse': false; + readonly 'performance': false; + readonly 'Performance': false; + readonly 'PerformanceEntry': false; + readonly 'PerformanceLongTaskTiming': false; + readonly 'PerformanceMark': false; + readonly 'PerformanceMeasure': false; + readonly 'PerformanceNavigation': false; + readonly 'PerformanceNavigationTiming': false; + readonly 'PerformanceObserver': false; + readonly 'PerformanceObserverEntryList': false; + readonly 'PerformancePaintTiming': false; + readonly 'PerformanceResourceTiming': false; + readonly 'PerformanceTiming': false; + readonly 'PeriodicWave': false; + readonly 'Permissions': false; + readonly 'PermissionStatus': false; + readonly 'personalbar': false; + readonly 'PhotoCapabilities': false; + readonly 'Plugin': false; + readonly 'PluginArray': false; + readonly 'PointerEvent': false; + readonly 'PopStateEvent': false; + readonly 'postMessage': false; + readonly 'Presentation': false; + readonly 'PresentationAvailability': false; + readonly 'PresentationConnection': false; + readonly 'PresentationConnectionAvailableEvent': false; + readonly 'PresentationConnectionCloseEvent': false; + readonly 'PresentationConnectionList': false; + readonly 'PresentationReceiver': false; + readonly 'PresentationRequest': false; + readonly 'print': false; + readonly 'ProcessingInstruction': false; + readonly 'ProgressEvent': false; + readonly 'PromiseRejectionEvent': false; + readonly 'prompt': false; + readonly 'PushManager': false; + readonly 'PushSubscription': false; + readonly 'PushSubscriptionOptions': false; + readonly 'queueMicrotask': false; + readonly 'RadioNodeList': false; + readonly 'Range': false; + readonly 'ReadableByteStreamController': false; + readonly 'ReadableStream': false; + readonly 'ReadableStreamBYOBReader': false; + readonly 'ReadableStreamBYOBRequest': false; + readonly 'ReadableStreamDefaultController': false; + readonly 'ReadableStreamDefaultReader': false; + readonly 'registerProcessor': false; + readonly 'RemotePlayback': false; + readonly 'removeEventListener': false; + readonly 'reportError': false; + readonly 'Request': false; + readonly 'requestAnimationFrame': false; + readonly 'requestIdleCallback': false; + readonly 'resizeBy': false; + readonly 'ResizeObserver': false; + readonly 'ResizeObserverEntry': false; + readonly 'resizeTo': false; + readonly 'Response': false; + readonly 'RTCCertificate': false; + readonly 'RTCDataChannel': false; + readonly 'RTCDataChannelEvent': false; + readonly 'RTCDtlsTransport': false; + readonly 'RTCIceCandidate': false; + readonly 'RTCIceGatherer': false; + readonly 'RTCIceTransport': false; + readonly 'RTCPeerConnection': false; + readonly 'RTCPeerConnectionIceEvent': false; + readonly 'RTCRtpContributingSource': false; + readonly 'RTCRtpReceiver': false; + readonly 'RTCRtpSender': false; + readonly 'RTCSctpTransport': false; + readonly 'RTCSessionDescription': false; + readonly 'RTCStatsReport': false; + readonly 'RTCTrackEvent': false; + readonly 'screen': false; + readonly 'Screen': false; + readonly 'screenLeft': false; + readonly 'ScreenOrientation': false; + readonly 'screenTop': false; + readonly 'screenX': false; + readonly 'screenY': false; + readonly 'ScriptProcessorNode': false; + readonly 'scroll': false; + readonly 'scrollbars': false; + readonly 'scrollBy': false; + readonly 'scrollTo': false; + readonly 'scrollX': false; + readonly 'scrollY': false; + readonly 'SecurityPolicyViolationEvent': false; + readonly 'Selection': false; + readonly 'self': false; + readonly 'ServiceWorker': false; + readonly 'ServiceWorkerContainer': false; + readonly 'ServiceWorkerRegistration': false; + readonly 'sessionStorage': false; + readonly 'setInterval': false; + readonly 'setTimeout': false; + readonly 'ShadowRoot': false; + readonly 'SharedWorker': false; + readonly 'SourceBuffer': false; + readonly 'SourceBufferList': false; + readonly 'speechSynthesis': false; + readonly 'SpeechSynthesisEvent': false; + readonly 'SpeechSynthesisUtterance': false; + readonly 'StaticRange': false; + readonly 'status': false; + readonly 'statusbar': false; + readonly 'StereoPannerNode': false; + readonly 'stop': false; + readonly 'Storage': false; + readonly 'StorageEvent': false; + readonly 'StorageManager': false; + readonly 'structuredClone': false; + readonly 'styleMedia': false; + readonly 'StyleSheet': false; + readonly 'StyleSheetList': false; + readonly 'SubmitEvent': false; + readonly 'SubtleCrypto': false; + readonly 'SVGAElement': false; + readonly 'SVGAngle': false; + readonly 'SVGAnimatedAngle': false; + readonly 'SVGAnimatedBoolean': false; + readonly 'SVGAnimatedEnumeration': false; + readonly 'SVGAnimatedInteger': false; + readonly 'SVGAnimatedLength': false; + readonly 'SVGAnimatedLengthList': false; + readonly 'SVGAnimatedNumber': false; + readonly 'SVGAnimatedNumberList': false; + readonly 'SVGAnimatedPreserveAspectRatio': false; + readonly 'SVGAnimatedRect': false; + readonly 'SVGAnimatedString': false; + readonly 'SVGAnimatedTransformList': false; + readonly 'SVGAnimateElement': false; + readonly 'SVGAnimateMotionElement': false; + readonly 'SVGAnimateTransformElement': false; + readonly 'SVGAnimationElement': false; + readonly 'SVGCircleElement': false; + readonly 'SVGClipPathElement': false; + readonly 'SVGComponentTransferFunctionElement': false; + readonly 'SVGDefsElement': false; + readonly 'SVGDescElement': false; + readonly 'SVGDiscardElement': false; + readonly 'SVGElement': false; + readonly 'SVGEllipseElement': false; + readonly 'SVGFEBlendElement': false; + readonly 'SVGFEColorMatrixElement': false; + readonly 'SVGFEComponentTransferElement': false; + readonly 'SVGFECompositeElement': false; + readonly 'SVGFEConvolveMatrixElement': false; + readonly 'SVGFEDiffuseLightingElement': false; + readonly 'SVGFEDisplacementMapElement': false; + readonly 'SVGFEDistantLightElement': false; + readonly 'SVGFEDropShadowElement': false; + readonly 'SVGFEFloodElement': false; + readonly 'SVGFEFuncAElement': false; + readonly 'SVGFEFuncBElement': false; + readonly 'SVGFEFuncGElement': false; + readonly 'SVGFEFuncRElement': false; + readonly 'SVGFEGaussianBlurElement': false; + readonly 'SVGFEImageElement': false; + readonly 'SVGFEMergeElement': false; + readonly 'SVGFEMergeNodeElement': false; + readonly 'SVGFEMorphologyElement': false; + readonly 'SVGFEOffsetElement': false; + readonly 'SVGFEPointLightElement': false; + readonly 'SVGFESpecularLightingElement': false; + readonly 'SVGFESpotLightElement': false; + readonly 'SVGFETileElement': false; + readonly 'SVGFETurbulenceElement': false; + readonly 'SVGFilterElement': false; + readonly 'SVGForeignObjectElement': false; + readonly 'SVGGElement': false; + readonly 'SVGGeometryElement': false; + readonly 'SVGGradientElement': false; + readonly 'SVGGraphicsElement': false; + readonly 'SVGImageElement': false; + readonly 'SVGLength': false; + readonly 'SVGLengthList': false; + readonly 'SVGLinearGradientElement': false; + readonly 'SVGLineElement': false; + readonly 'SVGMarkerElement': false; + readonly 'SVGMaskElement': false; + readonly 'SVGMatrix': false; + readonly 'SVGMetadataElement': false; + readonly 'SVGMPathElement': false; + readonly 'SVGNumber': false; + readonly 'SVGNumberList': false; + readonly 'SVGPathElement': false; + readonly 'SVGPatternElement': false; + readonly 'SVGPoint': false; + readonly 'SVGPointList': false; + readonly 'SVGPolygonElement': false; + readonly 'SVGPolylineElement': false; + readonly 'SVGPreserveAspectRatio': false; + readonly 'SVGRadialGradientElement': false; + readonly 'SVGRect': false; + readonly 'SVGRectElement': false; + readonly 'SVGScriptElement': false; + readonly 'SVGSetElement': false; + readonly 'SVGStopElement': false; + readonly 'SVGStringList': false; + readonly 'SVGStyleElement': false; + readonly 'SVGSVGElement': false; + readonly 'SVGSwitchElement': false; + readonly 'SVGSymbolElement': false; + readonly 'SVGTextContentElement': false; + readonly 'SVGTextElement': false; + readonly 'SVGTextPathElement': false; + readonly 'SVGTextPositioningElement': false; + readonly 'SVGTitleElement': false; + readonly 'SVGTransform': false; + readonly 'SVGTransformList': false; + readonly 'SVGTSpanElement': false; + readonly 'SVGUnitTypes': false; + readonly 'SVGUseElement': false; + readonly 'SVGViewElement': false; + readonly 'TaskAttributionTiming': false; + readonly 'Text': false; + readonly 'TextDecoder': false; + readonly 'TextDecoderStream': false; + readonly 'TextEncoder': false; + readonly 'TextEncoderStream': false; + readonly 'TextEvent': false; + readonly 'TextMetrics': false; + readonly 'TextTrack': false; + readonly 'TextTrackCue': false; + readonly 'TextTrackCueList': false; + readonly 'TextTrackList': false; + readonly 'TimeRanges': false; + readonly 'ToggleEvent': false; + readonly 'toolbar': false; + readonly 'top': false; + readonly 'Touch': false; + readonly 'TouchEvent': false; + readonly 'TouchList': false; + readonly 'TrackEvent': false; + readonly 'TransformStream': false; + readonly 'TransformStreamDefaultController': false; + readonly 'TransitionEvent': false; + readonly 'TreeWalker': false; + readonly 'UIEvent': false; + readonly 'URL': false; + readonly 'URLSearchParams': false; + readonly 'ValidityState': false; + readonly 'visualViewport': false; + readonly 'VisualViewport': false; + readonly 'VTTCue': false; + readonly 'WaveShaperNode': false; + readonly 'WebAssembly': false; + readonly 'WebGL2RenderingContext': false; + readonly 'WebGLActiveInfo': false; + readonly 'WebGLBuffer': false; + readonly 'WebGLContextEvent': false; + readonly 'WebGLFramebuffer': false; + readonly 'WebGLProgram': false; + readonly 'WebGLQuery': false; + readonly 'WebGLRenderbuffer': false; + readonly 'WebGLRenderingContext': false; + readonly 'WebGLSampler': false; + readonly 'WebGLShader': false; + readonly 'WebGLShaderPrecisionFormat': false; + readonly 'WebGLSync': false; + readonly 'WebGLTexture': false; + readonly 'WebGLTransformFeedback': false; + readonly 'WebGLUniformLocation': false; + readonly 'WebGLVertexArrayObject': false; + readonly 'WebSocket': false; + readonly 'WheelEvent': false; + readonly 'window': false; + readonly 'Window': false; + readonly 'Worker': false; + readonly 'WritableStream': false; + readonly 'WritableStreamDefaultController': false; + readonly 'WritableStreamDefaultWriter': false; + readonly 'XMLDocument': false; + readonly 'XMLHttpRequest': false; + readonly 'XMLHttpRequestEventTarget': false; + readonly 'XMLHttpRequestUpload': false; + readonly 'XMLSerializer': false; + readonly 'XPathEvaluator': false; + readonly 'XPathExpression': false; + readonly 'XPathResult': false; + readonly 'XRAnchor': false; + readonly 'XRBoundedReferenceSpace': false; + readonly 'XRCPUDepthInformation': false; + readonly 'XRDepthInformation': false; + readonly 'XRFrame': false; + readonly 'XRInputSource': false; + readonly 'XRInputSourceArray': false; + readonly 'XRInputSourceEvent': false; + readonly 'XRInputSourcesChangeEvent': false; + readonly 'XRPose': false; + readonly 'XRReferenceSpace': false; + readonly 'XRReferenceSpaceEvent': false; + readonly 'XRRenderState': false; + readonly 'XRRigidTransform': false; + readonly 'XRSession': false; + readonly 'XRSessionEvent': false; + readonly 'XRSpace': false; + readonly 'XRSystem': false; + readonly 'XRView': false; + readonly 'XRViewerPose': false; + readonly 'XRViewport': false; + readonly 'XRWebGLBinding': false; + readonly 'XRWebGLDepthInformation': false; + readonly 'XRWebGLLayer': false; + readonly 'XSLTProcessor': false; +} + +type GlobalsWorker = { + readonly 'addEventListener': false; + readonly 'applicationCache': false; + readonly 'atob': false; + readonly 'Blob': false; + readonly 'BroadcastChannel': false; + readonly 'btoa': false; + readonly 'ByteLengthQueuingStrategy': false; + readonly 'Cache': false; + readonly 'caches': false; + readonly 'clearInterval': false; + readonly 'clearTimeout': false; + readonly 'close': true; + readonly 'CompressionStream': false; + readonly 'console': false; + readonly 'CountQueuingStrategy': false; + readonly 'crypto': false; + readonly 'Crypto': false; + readonly 'CryptoKey': false; + readonly 'CustomEvent': false; + readonly 'DecompressionStream': false; + readonly 'ErrorEvent': false; + readonly 'Event': false; + readonly 'fetch': false; + readonly 'File': false; + readonly 'FileReaderSync': false; + readonly 'FormData': false; + readonly 'Headers': false; + readonly 'IDBCursor': false; + readonly 'IDBCursorWithValue': false; + readonly 'IDBDatabase': false; + readonly 'IDBFactory': false; + readonly 'IDBIndex': false; + readonly 'IDBKeyRange': false; + readonly 'IDBObjectStore': false; + readonly 'IDBOpenDBRequest': false; + readonly 'IDBRequest': false; + readonly 'IDBTransaction': false; + readonly 'IDBVersionChangeEvent': false; + readonly 'ImageData': false; + readonly 'importScripts': true; + readonly 'indexedDB': false; + readonly 'location': false; + readonly 'MessageChannel': false; + readonly 'MessageEvent': false; + readonly 'MessagePort': false; + readonly 'name': false; + readonly 'navigator': false; + readonly 'Notification': false; + readonly 'onclose': true; + readonly 'onconnect': true; + readonly 'onerror': true; + readonly 'onlanguagechange': true; + readonly 'onmessage': true; + readonly 'onoffline': true; + readonly 'ononline': true; + readonly 'onrejectionhandled': true; + readonly 'onunhandledrejection': true; + readonly 'performance': false; + readonly 'Performance': false; + readonly 'PerformanceEntry': false; + readonly 'PerformanceMark': false; + readonly 'PerformanceMeasure': false; + readonly 'PerformanceNavigation': false; + readonly 'PerformanceObserver': false; + readonly 'PerformanceObserverEntryList': false; + readonly 'PerformanceResourceTiming': false; + readonly 'PerformanceTiming': false; + readonly 'postMessage': true; + readonly 'Promise': false; + readonly 'queueMicrotask': false; + readonly 'ReadableByteStreamController': false; + readonly 'ReadableStream': false; + readonly 'ReadableStreamBYOBReader': false; + readonly 'ReadableStreamBYOBRequest': false; + readonly 'ReadableStreamDefaultController': false; + readonly 'ReadableStreamDefaultReader': false; + readonly 'removeEventListener': false; + readonly 'reportError': false; + readonly 'Request': false; + readonly 'Response': false; + readonly 'self': true; + readonly 'ServiceWorkerRegistration': false; + readonly 'setInterval': false; + readonly 'setTimeout': false; + readonly 'SubtleCrypto': false; + readonly 'TextDecoder': false; + readonly 'TextDecoderStream': false; + readonly 'TextEncoder': false; + readonly 'TextEncoderStream': false; + readonly 'TransformStream': false; + readonly 'TransformStreamDefaultController': false; + readonly 'URL': false; + readonly 'URLSearchParams': false; + readonly 'WebAssembly': false; + readonly 'WebSocket': false; + readonly 'Worker': false; + readonly 'WorkerGlobalScope': false; + readonly 'WritableStream': false; + readonly 'WritableStreamDefaultController': false; + readonly 'WritableStreamDefaultWriter': false; + readonly 'XMLHttpRequest': false; +} + +type GlobalsNode = { + readonly '__dirname': false; + readonly '__filename': false; + readonly 'AbortController': false; + readonly 'AbortSignal': false; + readonly 'atob': false; + readonly 'Blob': false; + readonly 'BroadcastChannel': false; + readonly 'btoa': false; + readonly 'Buffer': false; + readonly 'ByteLengthQueuingStrategy': false; + readonly 'clearImmediate': false; + readonly 'clearInterval': false; + readonly 'clearTimeout': false; + readonly 'CompressionStream': false; + readonly 'console': false; + readonly 'CountQueuingStrategy': false; + readonly 'crypto': false; + readonly 'Crypto': false; + readonly 'CryptoKey': false; + readonly 'CustomEvent': false; + readonly 'DecompressionStream': false; + readonly 'DOMException': false; + readonly 'Event': false; + readonly 'EventTarget': false; + readonly 'exports': true; + readonly 'fetch': false; + readonly 'File': false; + readonly 'FormData': false; + readonly 'global': false; + readonly 'Headers': false; + readonly 'Intl': false; + readonly 'MessageChannel': false; + readonly 'MessageEvent': false; + readonly 'MessagePort': false; + readonly 'module': false; + readonly 'performance': false; + readonly 'PerformanceEntry': false; + readonly 'PerformanceMark': false; + readonly 'PerformanceMeasure': false; + readonly 'PerformanceObserver': false; + readonly 'PerformanceObserverEntryList': false; + readonly 'PerformanceResourceTiming': false; + readonly 'process': false; + readonly 'queueMicrotask': false; + readonly 'ReadableByteStreamController': false; + readonly 'ReadableStream': false; + readonly 'ReadableStreamBYOBReader': false; + readonly 'ReadableStreamBYOBRequest': false; + readonly 'ReadableStreamDefaultController': false; + readonly 'ReadableStreamDefaultReader': false; + readonly 'Request': false; + readonly 'require': false; + readonly 'Response': false; + readonly 'setImmediate': false; + readonly 'setInterval': false; + readonly 'setTimeout': false; + readonly 'structuredClone': false; + readonly 'SubtleCrypto': false; + readonly 'TextDecoder': false; + readonly 'TextDecoderStream': false; + readonly 'TextEncoder': false; + readonly 'TextEncoderStream': false; + readonly 'TransformStream': false; + readonly 'TransformStreamDefaultController': false; + readonly 'URL': false; + readonly 'URLSearchParams': false; + readonly 'WebAssembly': false; + readonly 'WritableStream': false; + readonly 'WritableStreamDefaultController': false; + readonly 'WritableStreamDefaultWriter': false; +} + +type GlobalsNodeBuiltin = { + readonly 'AbortController': false; + readonly 'AbortSignal': false; + readonly 'atob': false; + readonly 'Blob': false; + readonly 'BroadcastChannel': false; + readonly 'btoa': false; + readonly 'Buffer': false; + readonly 'ByteLengthQueuingStrategy': false; + readonly 'clearImmediate': false; + readonly 'clearInterval': false; + readonly 'clearTimeout': false; + readonly 'CompressionStream': false; + readonly 'console': false; + readonly 'CountQueuingStrategy': false; + readonly 'crypto': false; + readonly 'Crypto': false; + readonly 'CryptoKey': false; + readonly 'CustomEvent': false; + readonly 'DecompressionStream': false; + readonly 'DOMException': false; + readonly 'Event': false; + readonly 'EventTarget': false; + readonly 'fetch': false; + readonly 'File': false; + readonly 'FormData': false; + readonly 'global': false; + readonly 'Headers': false; + readonly 'Intl': false; + readonly 'MessageChannel': false; + readonly 'MessageEvent': false; + readonly 'MessagePort': false; + readonly 'performance': false; + readonly 'PerformanceEntry': false; + readonly 'PerformanceMark': false; + readonly 'PerformanceMeasure': false; + readonly 'PerformanceObserver': false; + readonly 'PerformanceObserverEntryList': false; + readonly 'PerformanceResourceTiming': false; + readonly 'process': false; + readonly 'queueMicrotask': false; + readonly 'ReadableByteStreamController': false; + readonly 'ReadableStream': false; + readonly 'ReadableStreamBYOBReader': false; + readonly 'ReadableStreamBYOBRequest': false; + readonly 'ReadableStreamDefaultController': false; + readonly 'ReadableStreamDefaultReader': false; + readonly 'Request': false; + readonly 'Response': false; + readonly 'setImmediate': false; + readonly 'setInterval': false; + readonly 'setTimeout': false; + readonly 'structuredClone': false; + readonly 'SubtleCrypto': false; + readonly 'TextDecoder': false; + readonly 'TextDecoderStream': false; + readonly 'TextEncoder': false; + readonly 'TextEncoderStream': false; + readonly 'TransformStream': false; + readonly 'TransformStreamDefaultController': false; + readonly 'URL': false; + readonly 'URLSearchParams': false; + readonly 'WebAssembly': false; + readonly 'WritableStream': false; + readonly 'WritableStreamDefaultController': false; + readonly 'WritableStreamDefaultWriter': false; +} + +type GlobalsCommonjs = { + readonly 'exports': true; + readonly 'global': false; + readonly 'module': false; + readonly 'require': false; +} + +type GlobalsAmd = { + readonly 'define': false; + readonly 'require': false; +} + +type GlobalsMocha = { + readonly 'after': false; + readonly 'afterEach': false; + readonly 'before': false; + readonly 'beforeEach': false; + readonly 'context': false; + readonly 'describe': false; + readonly 'it': false; + readonly 'mocha': false; + readonly 'run': false; + readonly 'setup': false; + readonly 'specify': false; + readonly 'suite': false; + readonly 'suiteSetup': false; + readonly 'suiteTeardown': false; + readonly 'teardown': false; + readonly 'test': false; + readonly 'xcontext': false; + readonly 'xdescribe': false; + readonly 'xit': false; + readonly 'xspecify': false; +} + +type GlobalsJasmine = { + readonly 'afterAll': false; + readonly 'afterEach': false; + readonly 'beforeAll': false; + readonly 'beforeEach': false; + readonly 'describe': false; + readonly 'expect': false; + readonly 'expectAsync': false; + readonly 'fail': false; + readonly 'fdescribe': false; + readonly 'fit': false; + readonly 'it': false; + readonly 'jasmine': false; + readonly 'pending': false; + readonly 'runs': false; + readonly 'spyOn': false; + readonly 'spyOnAllFunctions': false; + readonly 'spyOnProperty': false; + readonly 'waits': false; + readonly 'waitsFor': false; + readonly 'xdescribe': false; + readonly 'xit': false; +} + +type GlobalsJest = { + readonly 'afterAll': false; + readonly 'afterEach': false; + readonly 'beforeAll': false; + readonly 'beforeEach': false; + readonly 'describe': false; + readonly 'expect': false; + readonly 'fdescribe': false; + readonly 'fit': false; + readonly 'it': false; + readonly 'jest': false; + readonly 'pit': false; + readonly 'require': false; + readonly 'test': false; + readonly 'xdescribe': false; + readonly 'xit': false; + readonly 'xtest': false; +} + +type GlobalsQunit = { + readonly 'asyncTest': false; + readonly 'deepEqual': false; + readonly 'equal': false; + readonly 'expect': false; + readonly 'module': false; + readonly 'notDeepEqual': false; + readonly 'notEqual': false; + readonly 'notOk': false; + readonly 'notPropEqual': false; + readonly 'notStrictEqual': false; + readonly 'ok': false; + readonly 'propEqual': false; + readonly 'QUnit': false; + readonly 'raises': false; + readonly 'start': false; + readonly 'stop': false; + readonly 'strictEqual': false; + readonly 'test': false; + readonly 'throws': false; +} + +type GlobalsPhantomjs = { + readonly 'console': true; + readonly 'exports': true; + readonly 'phantom': true; + readonly 'require': true; + readonly 'WebPage': true; +} + +type GlobalsCouch = { + readonly 'emit': false; + readonly 'exports': false; + readonly 'getRow': false; + readonly 'log': false; + readonly 'module': false; + readonly 'provides': false; + readonly 'require': false; + readonly 'respond': false; + readonly 'send': false; + readonly 'start': false; + readonly 'sum': false; +} + +type GlobalsRhino = { + readonly 'defineClass': false; + readonly 'deserialize': false; + readonly 'gc': false; + readonly 'help': false; + readonly 'importClass': false; + readonly 'importPackage': false; + readonly 'java': false; + readonly 'load': false; + readonly 'loadClass': false; + readonly 'Packages': false; + readonly 'print': false; + readonly 'quit': false; + readonly 'readFile': false; + readonly 'readUrl': false; + readonly 'runCommand': false; + readonly 'seal': false; + readonly 'serialize': false; + readonly 'spawn': false; + readonly 'sync': false; + readonly 'toint32': false; + readonly 'version': false; +} + +type GlobalsNashorn = { + readonly '__DIR__': false; + readonly '__FILE__': false; + readonly '__LINE__': false; + readonly 'com': false; + readonly 'edu': false; + readonly 'exit': false; + readonly 'java': false; + readonly 'Java': false; + readonly 'javafx': false; + readonly 'JavaImporter': false; + readonly 'javax': false; + readonly 'JSAdapter': false; + readonly 'load': false; + readonly 'loadWithNewGlobal': false; + readonly 'org': false; + readonly 'Packages': false; + readonly 'print': false; + readonly 'quit': false; +} + +type GlobalsWsh = { + readonly 'ActiveXObject': false; + readonly 'CollectGarbage': false; + readonly 'Debug': false; + readonly 'Enumerator': false; + readonly 'GetObject': false; + readonly 'RuntimeObject': false; + readonly 'ScriptEngine': false; + readonly 'ScriptEngineBuildVersion': false; + readonly 'ScriptEngineMajorVersion': false; + readonly 'ScriptEngineMinorVersion': false; + readonly 'VBArray': false; + readonly 'WScript': false; + readonly 'WSH': false; +} + +type GlobalsJquery = { + readonly '$': false; + readonly 'jQuery': false; +} + +type GlobalsYui = { + readonly 'YAHOO': false; + readonly 'YAHOO_config': false; + readonly 'YUI': false; + readonly 'YUI_config': false; +} + +type GlobalsShelljs = { + readonly 'cat': false; + readonly 'cd': false; + readonly 'chmod': false; + readonly 'config': false; + readonly 'cp': false; + readonly 'dirs': false; + readonly 'echo': false; + readonly 'env': false; + readonly 'error': false; + readonly 'exec': false; + readonly 'exit': false; + readonly 'find': false; + readonly 'grep': false; + readonly 'ln': false; + readonly 'ls': false; + readonly 'mkdir': false; + readonly 'mv': false; + readonly 'popd': false; + readonly 'pushd': false; + readonly 'pwd': false; + readonly 'rm': false; + readonly 'sed': false; + readonly 'set': false; + readonly 'target': false; + readonly 'tempdir': false; + readonly 'test': false; + readonly 'touch': false; + readonly 'which': false; +} + +type GlobalsPrototypejs = { + readonly '$': false; + readonly '$$': false; + readonly '$A': false; + readonly '$break': false; + readonly '$continue': false; + readonly '$F': false; + readonly '$H': false; + readonly '$R': false; + readonly '$w': false; + readonly 'Abstract': false; + readonly 'Ajax': false; + readonly 'Autocompleter': false; + readonly 'Builder': false; + readonly 'Class': false; + readonly 'Control': false; + readonly 'Draggable': false; + readonly 'Draggables': false; + readonly 'Droppables': false; + readonly 'Effect': false; + readonly 'Element': false; + readonly 'Enumerable': false; + readonly 'Event': false; + readonly 'Field': false; + readonly 'Form': false; + readonly 'Hash': false; + readonly 'Insertion': false; + readonly 'ObjectRange': false; + readonly 'PeriodicalExecuter': false; + readonly 'Position': false; + readonly 'Prototype': false; + readonly 'Scriptaculous': false; + readonly 'Selector': false; + readonly 'Sortable': false; + readonly 'SortableObserver': false; + readonly 'Sound': false; + readonly 'Template': false; + readonly 'Toggle': false; + readonly 'Try': false; +} + +type GlobalsMeteor = { + readonly '$': false; + readonly 'Accounts': false; + readonly 'AccountsClient': false; + readonly 'AccountsCommon': false; + readonly 'AccountsServer': false; + readonly 'App': false; + readonly 'Assets': false; + readonly 'Blaze': false; + readonly 'check': false; + readonly 'Cordova': false; + readonly 'DDP': false; + readonly 'DDPRateLimiter': false; + readonly 'DDPServer': false; + readonly 'Deps': false; + readonly 'EJSON': false; + readonly 'Email': false; + readonly 'HTTP': false; + readonly 'Log': false; + readonly 'Match': false; + readonly 'Meteor': false; + readonly 'Mongo': false; + readonly 'MongoInternals': false; + readonly 'Npm': false; + readonly 'Package': false; + readonly 'Plugin': false; + readonly 'process': false; + readonly 'Random': false; + readonly 'ReactiveDict': false; + readonly 'ReactiveVar': false; + readonly 'Router': false; + readonly 'ServiceConfiguration': false; + readonly 'Session': false; + readonly 'share': false; + readonly 'Spacebars': false; + readonly 'Template': false; + readonly 'Tinytest': false; + readonly 'Tracker': false; + readonly 'UI': false; + readonly 'Utils': false; + readonly 'WebApp': false; + readonly 'WebAppInternals': false; +} + +type GlobalsMongo = { + readonly '_isWindows': false; + readonly '_rand': false; + readonly 'BulkWriteResult': false; + readonly 'cat': false; + readonly 'cd': false; + readonly 'connect': false; + readonly 'db': false; + readonly 'getHostName': false; + readonly 'getMemInfo': false; + readonly 'hostname': false; + readonly 'ISODate': false; + readonly 'listFiles': false; + readonly 'load': false; + readonly 'ls': false; + readonly 'md5sumFile': false; + readonly 'mkdir': false; + readonly 'Mongo': false; + readonly 'NumberInt': false; + readonly 'NumberLong': false; + readonly 'ObjectId': false; + readonly 'PlanCache': false; + readonly 'print': false; + readonly 'printjson': false; + readonly 'pwd': false; + readonly 'quit': false; + readonly 'removeFile': false; + readonly 'rs': false; + readonly 'sh': false; + readonly 'UUID': false; + readonly 'version': false; + readonly 'WriteResult': false; +} + +type GlobalsApplescript = { + readonly '$': false; + readonly 'Application': false; + readonly 'Automation': false; + readonly 'console': false; + readonly 'delay': false; + readonly 'Library': false; + readonly 'ObjC': false; + readonly 'ObjectSpecifier': false; + readonly 'Path': false; + readonly 'Progress': false; + readonly 'Ref': false; +} + +type GlobalsServiceworker = { + readonly 'addEventListener': false; + readonly 'applicationCache': false; + readonly 'atob': false; + readonly 'Blob': false; + readonly 'BroadcastChannel': false; + readonly 'btoa': false; + readonly 'ByteLengthQueuingStrategy': false; + readonly 'Cache': false; + readonly 'caches': false; + readonly 'CacheStorage': false; + readonly 'clearInterval': false; + readonly 'clearTimeout': false; + readonly 'Client': false; + readonly 'clients': false; + readonly 'Clients': false; + readonly 'close': true; + readonly 'CompressionStream': false; + readonly 'console': false; + readonly 'CountQueuingStrategy': false; + readonly 'crypto': false; + readonly 'Crypto': false; + readonly 'CryptoKey': false; + readonly 'CustomEvent': false; + readonly 'DecompressionStream': false; + readonly 'ErrorEvent': false; + readonly 'Event': false; + readonly 'ExtendableEvent': false; + readonly 'ExtendableMessageEvent': false; + readonly 'fetch': false; + readonly 'FetchEvent': false; + readonly 'File': false; + readonly 'FileReaderSync': false; + readonly 'FormData': false; + readonly 'Headers': false; + readonly 'IDBCursor': false; + readonly 'IDBCursorWithValue': false; + readonly 'IDBDatabase': false; + readonly 'IDBFactory': false; + readonly 'IDBIndex': false; + readonly 'IDBKeyRange': false; + readonly 'IDBObjectStore': false; + readonly 'IDBOpenDBRequest': false; + readonly 'IDBRequest': false; + readonly 'IDBTransaction': false; + readonly 'IDBVersionChangeEvent': false; + readonly 'ImageData': false; + readonly 'importScripts': false; + readonly 'indexedDB': false; + readonly 'location': false; + readonly 'MessageChannel': false; + readonly 'MessageEvent': false; + readonly 'MessagePort': false; + readonly 'name': false; + readonly 'navigator': false; + readonly 'Notification': false; + readonly 'onclose': true; + readonly 'onconnect': true; + readonly 'onerror': true; + readonly 'onfetch': true; + readonly 'oninstall': true; + readonly 'onlanguagechange': true; + readonly 'onmessage': true; + readonly 'onmessageerror': true; + readonly 'onnotificationclick': true; + readonly 'onnotificationclose': true; + readonly 'onoffline': true; + readonly 'ononline': true; + readonly 'onpush': true; + readonly 'onpushsubscriptionchange': true; + readonly 'onrejectionhandled': true; + readonly 'onsync': true; + readonly 'onunhandledrejection': true; + readonly 'performance': false; + readonly 'Performance': false; + readonly 'PerformanceEntry': false; + readonly 'PerformanceMark': false; + readonly 'PerformanceMeasure': false; + readonly 'PerformanceNavigation': false; + readonly 'PerformanceObserver': false; + readonly 'PerformanceObserverEntryList': false; + readonly 'PerformanceResourceTiming': false; + readonly 'PerformanceTiming': false; + readonly 'postMessage': true; + readonly 'Promise': false; + readonly 'queueMicrotask': false; + readonly 'ReadableByteStreamController': false; + readonly 'ReadableStream': false; + readonly 'ReadableStreamBYOBReader': false; + readonly 'ReadableStreamBYOBRequest': false; + readonly 'ReadableStreamDefaultController': false; + readonly 'ReadableStreamDefaultReader': false; + readonly 'registration': false; + readonly 'removeEventListener': false; + readonly 'Request': false; + readonly 'Response': false; + readonly 'self': false; + readonly 'ServiceWorker': false; + readonly 'ServiceWorkerContainer': false; + readonly 'ServiceWorkerGlobalScope': false; + readonly 'ServiceWorkerMessageEvent': false; + readonly 'ServiceWorkerRegistration': false; + readonly 'setInterval': false; + readonly 'setTimeout': false; + readonly 'skipWaiting': false; + readonly 'SubtleCrypto': false; + readonly 'TextDecoder': false; + readonly 'TextDecoderStream': false; + readonly 'TextEncoder': false; + readonly 'TextEncoderStream': false; + readonly 'TransformStream': false; + readonly 'TransformStreamDefaultController': false; + readonly 'URL': false; + readonly 'URLSearchParams': false; + readonly 'WebAssembly': false; + readonly 'WebSocket': false; + readonly 'WindowClient': false; + readonly 'Worker': false; + readonly 'WorkerGlobalScope': false; + readonly 'WritableStream': false; + readonly 'WritableStreamDefaultController': false; + readonly 'WritableStreamDefaultWriter': false; + readonly 'XMLHttpRequest': false; +} + +type GlobalsAtomtest = { + readonly 'advanceClock': false; + readonly 'atom': false; + readonly 'fakeClearInterval': false; + readonly 'fakeClearTimeout': false; + readonly 'fakeSetInterval': false; + readonly 'fakeSetTimeout': false; + readonly 'resetTimeouts': false; + readonly 'waitsForPromise': false; +} + +type GlobalsEmbertest = { + readonly 'andThen': false; + readonly 'click': false; + readonly 'currentPath': false; + readonly 'currentRouteName': false; + readonly 'currentURL': false; + readonly 'fillIn': false; + readonly 'find': false; + readonly 'findAll': false; + readonly 'findWithAssert': false; + readonly 'keyEvent': false; + readonly 'pauseTest': false; + readonly 'resumeTest': false; + readonly 'triggerEvent': false; + readonly 'visit': false; + readonly 'wait': false; +} + +type GlobalsProtractor = { + readonly '$': false; + readonly '$$': false; + readonly 'browser': false; + readonly 'by': false; + readonly 'By': false; + readonly 'DartObject': false; + readonly 'element': false; + readonly 'protractor': false; +} + +type GlobalsSharednodebrowser = { + readonly 'AbortController': false; + readonly 'AbortSignal': false; + readonly 'atob': false; + readonly 'Blob': false; + readonly 'BroadcastChannel': false; + readonly 'btoa': false; + readonly 'ByteLengthQueuingStrategy': false; + readonly 'clearInterval': false; + readonly 'clearTimeout': false; + readonly 'CompressionStream': false; + readonly 'console': false; + readonly 'CountQueuingStrategy': false; + readonly 'crypto': false; + readonly 'Crypto': false; + readonly 'CryptoKey': false; + readonly 'CustomEvent': false; + readonly 'DecompressionStream': false; + readonly 'DOMException': false; + readonly 'Event': false; + readonly 'EventTarget': false; + readonly 'fetch': false; + readonly 'File': false; + readonly 'FormData': false; + readonly 'Headers': false; + readonly 'Intl': false; + readonly 'MessageChannel': false; + readonly 'MessageEvent': false; + readonly 'MessagePort': false; + readonly 'performance': false; + readonly 'PerformanceEntry': false; + readonly 'PerformanceMark': false; + readonly 'PerformanceMeasure': false; + readonly 'PerformanceObserver': false; + readonly 'PerformanceObserverEntryList': false; + readonly 'PerformanceResourceTiming': false; + readonly 'queueMicrotask': false; + readonly 'ReadableByteStreamController': false; + readonly 'ReadableStream': false; + readonly 'ReadableStreamBYOBReader': false; + readonly 'ReadableStreamBYOBRequest': false; + readonly 'ReadableStreamDefaultController': false; + readonly 'ReadableStreamDefaultReader': false; + readonly 'Request': false; + readonly 'Response': false; + readonly 'setInterval': false; + readonly 'setTimeout': false; + readonly 'structuredClone': false; + readonly 'SubtleCrypto': false; + readonly 'TextDecoder': false; + readonly 'TextDecoderStream': false; + readonly 'TextEncoder': false; + readonly 'TextEncoderStream': false; + readonly 'TransformStream': false; + readonly 'TransformStreamDefaultController': false; + readonly 'URL': false; + readonly 'URLSearchParams': false; + readonly 'WebAssembly': false; + readonly 'WritableStream': false; + readonly 'WritableStreamDefaultController': false; + readonly 'WritableStreamDefaultWriter': false; +} + +type GlobalsWebextensions = { + readonly 'browser': false; + readonly 'chrome': false; + readonly 'opr': false; +} + +type GlobalsGreasemonkey = { + readonly 'cloneInto': false; + readonly 'createObjectIn': false; + readonly 'exportFunction': false; + readonly 'GM': false; + readonly 'GM_addElement': false; + readonly 'GM_addStyle': false; + readonly 'GM_addValueChangeListener': false; + readonly 'GM_deleteValue': false; + readonly 'GM_download': false; + readonly 'GM_getResourceText': false; + readonly 'GM_getResourceURL': false; + readonly 'GM_getTab': false; + readonly 'GM_getTabs': false; + readonly 'GM_getValue': false; + readonly 'GM_info': false; + readonly 'GM_listValues': false; + readonly 'GM_log': false; + readonly 'GM_notification': false; + readonly 'GM_openInTab': false; + readonly 'GM_registerMenuCommand': false; + readonly 'GM_removeValueChangeListener': false; + readonly 'GM_saveTab': false; + readonly 'GM_setClipboard': false; + readonly 'GM_setValue': false; + readonly 'GM_unregisterMenuCommand': false; + readonly 'GM_xmlhttpRequest': false; + readonly 'unsafeWindow': false; +} + +type GlobalsDevtools = { + readonly '$': false; + readonly '$_': false; + readonly '$$': false; + readonly '$0': false; + readonly '$1': false; + readonly '$2': false; + readonly '$3': false; + readonly '$4': false; + readonly '$x': false; + readonly 'chrome': false; + readonly 'clear': false; + readonly 'copy': false; + readonly 'debug': false; + readonly 'dir': false; + readonly 'dirxml': false; + readonly 'getEventListeners': false; + readonly 'inspect': false; + readonly 'keys': false; + readonly 'monitor': false; + readonly 'monitorEvents': false; + readonly 'profile': false; + readonly 'profileEnd': false; + readonly 'queryObjects': false; + readonly 'table': false; + readonly 'undebug': false; + readonly 'unmonitor': false; + readonly 'unmonitorEvents': false; + readonly 'values': false; +} + +type Globals = { + readonly 'builtin': GlobalsBuiltin; + readonly 'es5': GlobalsEs5; + readonly 'es2015': GlobalsEs2015; + readonly 'es2017': GlobalsEs2017; + readonly 'es2020': GlobalsEs2020; + readonly 'es2021': GlobalsEs2021; + readonly 'browser': GlobalsBrowser; + readonly 'worker': GlobalsWorker; + readonly 'node': GlobalsNode; + readonly 'nodeBuiltin': GlobalsNodeBuiltin; + readonly 'commonjs': GlobalsCommonjs; + readonly 'amd': GlobalsAmd; + readonly 'mocha': GlobalsMocha; + readonly 'jasmine': GlobalsJasmine; + readonly 'jest': GlobalsJest; + readonly 'qunit': GlobalsQunit; + readonly 'phantomjs': GlobalsPhantomjs; + readonly 'couch': GlobalsCouch; + readonly 'rhino': GlobalsRhino; + readonly 'nashorn': GlobalsNashorn; + readonly 'wsh': GlobalsWsh; + readonly 'jquery': GlobalsJquery; + readonly 'yui': GlobalsYui; + readonly 'shelljs': GlobalsShelljs; + readonly 'prototypejs': GlobalsPrototypejs; + readonly 'meteor': GlobalsMeteor; + readonly 'mongo': GlobalsMongo; + readonly 'applescript': GlobalsApplescript; + readonly 'serviceworker': GlobalsServiceworker; + readonly 'atomtest': GlobalsAtomtest; + readonly 'embertest': GlobalsEmbertest; + readonly 'protractor': GlobalsProtractor; + readonly 'shared-node-browser': GlobalsSharednodebrowser; + readonly 'webextensions': GlobalsWebextensions; + readonly 'greasemonkey': GlobalsGreasemonkey; + readonly 'devtools': GlobalsDevtools; +} + +declare const globals: Globals; + +export = globals; diff --git a/module/node_modules/globals/index.js b/module/node_modules/globals/index.js new file mode 100644 index 000000000..a951582e4 --- /dev/null +++ b/module/node_modules/globals/index.js @@ -0,0 +1,2 @@ +'use strict'; +module.exports = require('./globals.json'); diff --git a/module/node_modules/globals/license b/module/node_modules/globals/license new file mode 100644 index 000000000..fa7ceba3e --- /dev/null +++ b/module/node_modules/globals/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (https://sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/globals/package.json b/module/node_modules/globals/package.json new file mode 100644 index 000000000..fca10a52d --- /dev/null +++ b/module/node_modules/globals/package.json @@ -0,0 +1,58 @@ +{ + "name": "globals", + "version": "14.0.0", + "description": "Global identifiers from different JavaScript environments", + "license": "MIT", + "repository": "sindresorhus/globals", + "funding": "https://github.com/sponsors/sindresorhus", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "https://sindresorhus.com" + }, + "sideEffects": false, + "engines": { + "node": ">=18" + }, + "scripts": { + "test": "xo && ava && tsd", + "prepare": "npm run --silent update-types", + "update-builtin-globals": "node scripts/get-builtin-globals.mjs", + "update-types": "node scripts/generate-types.mjs > index.d.ts" + }, + "files": [ + "index.js", + "index.d.ts", + "globals.json" + ], + "keywords": [ + "globals", + "global", + "identifiers", + "variables", + "vars", + "jshint", + "eslint", + "environments" + ], + "devDependencies": { + "ava": "^2.4.0", + "cheerio": "^1.0.0-rc.12", + "tsd": "^0.30.4", + "type-fest": "^4.10.2", + "xo": "^0.36.1" + }, + "xo": { + "ignores": [ + "get-browser-globals.js" + ], + "rules": { + "node/no-unsupported-features/es-syntax": "off" + } + }, + "tsd": { + "compilerOptions": { + "resolveJsonModule": true + } + } +} diff --git a/module/node_modules/globals/readme.md b/module/node_modules/globals/readme.md new file mode 100644 index 000000000..29442a855 --- /dev/null +++ b/module/node_modules/globals/readme.md @@ -0,0 +1,44 @@ +# globals + +> Global identifiers from different JavaScript environments + +It's just a [JSON file](globals.json), so use it in any environment. + +This package is used by ESLint. + +**This package [no longer accepts](https://github.com/sindresorhus/globals/issues/82) new environments. If you need it for ESLint, just [create a plugin](http://eslint.org/docs/developer-guide/working-with-plugins#environments-in-plugins).** + +## Install + +```sh +npm install globals +``` + +## Usage + +```js +const globals = require('globals'); + +console.log(globals.browser); +/* +{ + addEventListener: false, + applicationCache: false, + ArrayBuffer: false, + atob: false, + … +} +*/ +``` + +Each global is given a value of `true` or `false`. A value of `true` indicates that the variable may be overwritten. A value of `false` indicates that the variable should be considered read-only. This information is used by static analysis tools to flag incorrect behavior. We assume all variables should be `false` unless we hear otherwise. + +For Node.js this package provides two sets of globals: + +- `globals.nodeBuiltin`: Globals available to all code running in Node.js. + These will usually be available as properties on the `global` object and include `process`, `Buffer`, but not CommonJS arguments like `require`. + See: https://nodejs.org/api/globals.html +- `globals.node`: A combination of the globals from `nodeBuiltin` plus all CommonJS arguments ("CommonJS module scope"). + See: https://nodejs.org/api/modules.html#modules_the_module_scope + +When analyzing code that is known to run outside of a CommonJS wrapper, for example, JavaScript modules, `nodeBuiltin` can find accidental CommonJS references. diff --git a/module/node_modules/has-flag/index.d.ts b/module/node_modules/has-flag/index.d.ts new file mode 100644 index 000000000..a0a48c891 --- /dev/null +++ b/module/node_modules/has-flag/index.d.ts @@ -0,0 +1,39 @@ +/** +Check if [`argv`](https://nodejs.org/docs/latest/api/process.html#process_process_argv) has a specific flag. + +@param flag - CLI flag to look for. The `--` prefix is optional. +@param argv - CLI arguments. Default: `process.argv`. +@returns Whether the flag exists. + +@example +``` +// $ ts-node foo.ts -f --unicorn --foo=bar -- --rainbow + +// foo.ts +import hasFlag = require('has-flag'); + +hasFlag('unicorn'); +//=> true + +hasFlag('--unicorn'); +//=> true + +hasFlag('f'); +//=> true + +hasFlag('-f'); +//=> true + +hasFlag('foo=bar'); +//=> true + +hasFlag('foo'); +//=> false + +hasFlag('rainbow'); +//=> false +``` +*/ +declare function hasFlag(flag: string, argv?: string[]): boolean; + +export = hasFlag; diff --git a/module/node_modules/has-flag/index.js b/module/node_modules/has-flag/index.js new file mode 100644 index 000000000..b6f80b1f8 --- /dev/null +++ b/module/node_modules/has-flag/index.js @@ -0,0 +1,8 @@ +'use strict'; + +module.exports = (flag, argv = process.argv) => { + const prefix = flag.startsWith('-') ? '' : (flag.length === 1 ? '-' : '--'); + const position = argv.indexOf(prefix + flag); + const terminatorPosition = argv.indexOf('--'); + return position !== -1 && (terminatorPosition === -1 || position < terminatorPosition); +}; diff --git a/module/node_modules/has-flag/license b/module/node_modules/has-flag/license new file mode 100644 index 000000000..e7af2f771 --- /dev/null +++ b/module/node_modules/has-flag/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/has-flag/package.json b/module/node_modules/has-flag/package.json new file mode 100644 index 000000000..a9cba4b85 --- /dev/null +++ b/module/node_modules/has-flag/package.json @@ -0,0 +1,46 @@ +{ + "name": "has-flag", + "version": "4.0.0", + "description": "Check if argv has a specific flag", + "license": "MIT", + "repository": "sindresorhus/has-flag", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "engines": { + "node": ">=8" + }, + "scripts": { + "test": "xo && ava && tsd" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "keywords": [ + "has", + "check", + "detect", + "contains", + "find", + "flag", + "cli", + "command-line", + "argv", + "process", + "arg", + "args", + "argument", + "arguments", + "getopt", + "minimist", + "optimist" + ], + "devDependencies": { + "ava": "^1.4.1", + "tsd": "^0.7.2", + "xo": "^0.24.0" + } +} diff --git a/module/node_modules/has-flag/readme.md b/module/node_modules/has-flag/readme.md new file mode 100644 index 000000000..3f72dff29 --- /dev/null +++ b/module/node_modules/has-flag/readme.md @@ -0,0 +1,89 @@ +# has-flag [![Build Status](https://travis-ci.org/sindresorhus/has-flag.svg?branch=master)](https://travis-ci.org/sindresorhus/has-flag) + +> Check if [`argv`](https://nodejs.org/docs/latest/api/process.html#process_process_argv) has a specific flag + +Correctly stops looking after an `--` argument terminator. + +--- + +
+ + Get professional support for this package with a Tidelift subscription + +
+ + Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies. + +
+ +--- + + +## Install + +``` +$ npm install has-flag +``` + + +## Usage + +```js +// foo.js +const hasFlag = require('has-flag'); + +hasFlag('unicorn'); +//=> true + +hasFlag('--unicorn'); +//=> true + +hasFlag('f'); +//=> true + +hasFlag('-f'); +//=> true + +hasFlag('foo=bar'); +//=> true + +hasFlag('foo'); +//=> false + +hasFlag('rainbow'); +//=> false +``` + +``` +$ node foo.js -f --unicorn --foo=bar -- --rainbow +``` + + +## API + +### hasFlag(flag, [argv]) + +Returns a boolean for whether the flag exists. + +#### flag + +Type: `string` + +CLI flag to look for. The `--` prefix is optional. + +#### argv + +Type: `string[]`
+Default: `process.argv` + +CLI arguments. + + +## Security + +To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure. + + +## License + +MIT © [Sindre Sorhus](https://sindresorhus.com) diff --git a/module/node_modules/ignore/LICENSE-MIT b/module/node_modules/ignore/LICENSE-MIT new file mode 100644 index 000000000..825533e33 --- /dev/null +++ b/module/node_modules/ignore/LICENSE-MIT @@ -0,0 +1,21 @@ +Copyright (c) 2013 Kael Zhang , contributors +http://kael.me/ + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. \ No newline at end of file diff --git a/module/node_modules/ignore/README.md b/module/node_modules/ignore/README.md new file mode 100644 index 000000000..50d88822a --- /dev/null +++ b/module/node_modules/ignore/README.md @@ -0,0 +1,412 @@ + + + + + + + + + + + + + +
LinuxOS XWindowsCoverageDownloads
+ + Build Status + + + Windows Build Status + + + Coverage Status + + + npm module downloads per month +
+ +# ignore + +`ignore` is a manager, filter and parser which implemented in pure JavaScript according to the [.gitignore spec 2.22.1](http://git-scm.com/docs/gitignore). + +`ignore` is used by eslint, gitbook and [many others](https://www.npmjs.com/browse/depended/ignore). + +Pay **ATTENTION** that [`minimatch`](https://www.npmjs.org/package/minimatch) (which used by `fstream-ignore`) does not follow the gitignore spec. + +To filter filenames according to a .gitignore file, I recommend this npm package, `ignore`. + +To parse an `.npmignore` file, you should use `minimatch`, because an `.npmignore` file is parsed by npm using `minimatch` and it does not work in the .gitignore way. + +### Tested on + +`ignore` is fully tested, and has more than **five hundreds** of unit tests. + +- Linux + Node: `0.8` - `7.x` +- Windows + Node: `0.10` - `7.x`, node < `0.10` is not tested due to the lack of support of appveyor. + +Actually, `ignore` does not rely on any versions of node specially. + +Since `4.0.0`, ignore will no longer support `node < 6` by default, to use in node < 6, `require('ignore/legacy')`. For details, see [CHANGELOG](https://github.com/kaelzhang/node-ignore/blob/master/CHANGELOG.md). + +## Table Of Main Contents + +- [Usage](#usage) +- [`Pathname` Conventions](#pathname-conventions) +- See Also: + - [`glob-gitignore`](https://www.npmjs.com/package/glob-gitignore) matches files using patterns and filters them according to gitignore rules. +- [Upgrade Guide](#upgrade-guide) + +## Install + +```sh +npm i ignore +``` + +## Usage + +```js +import ignore from 'ignore' +const ig = ignore().add(['.abc/*', '!.abc/d/']) +``` + +### Filter the given paths + +```js +const paths = [ + '.abc/a.js', // filtered out + '.abc/d/e.js' // included +] + +ig.filter(paths) // ['.abc/d/e.js'] +ig.ignores('.abc/a.js') // true +``` + +### As the filter function + +```js +paths.filter(ig.createFilter()); // ['.abc/d/e.js'] +``` + +### Win32 paths will be handled + +```js +ig.filter(['.abc\\a.js', '.abc\\d\\e.js']) +// if the code above runs on windows, the result will be +// ['.abc\\d\\e.js'] +``` + +## Why another ignore? + +- `ignore` is a standalone module, and is much simpler so that it could easy work with other programs, unlike [isaacs](https://npmjs.org/~isaacs)'s [fstream-ignore](https://npmjs.org/package/fstream-ignore) which must work with the modules of the fstream family. + +- `ignore` only contains utility methods to filter paths according to the specified ignore rules, so + - `ignore` never try to find out ignore rules by traversing directories or fetching from git configurations. + - `ignore` don't cares about sub-modules of git projects. + +- Exactly according to [gitignore man page](http://git-scm.com/docs/gitignore), fixes some known matching issues of fstream-ignore, such as: + - '`/*.js`' should only match '`a.js`', but not '`abc/a.js`'. + - '`**/foo`' should match '`foo`' anywhere. + - Prevent re-including a file if a parent directory of that file is excluded. + - Handle trailing whitespaces: + - `'a '`(one space) should not match `'a '`(two spaces). + - `'a \ '` matches `'a '` + - All test cases are verified with the result of `git check-ignore`. + +# Methods + +## .add(pattern: string | Ignore): this +## .add(patterns: Array): this + +- **pattern** `String | Ignore` An ignore pattern string, or the `Ignore` instance +- **patterns** `Array` Array of ignore patterns. + +Adds a rule or several rules to the current manager. + +Returns `this` + +Notice that a line starting with `'#'`(hash) is treated as a comment. Put a backslash (`'\'`) in front of the first hash for patterns that begin with a hash, if you want to ignore a file with a hash at the beginning of the filename. + +```js +ignore().add('#abc').ignores('#abc') // false +ignore().add('\\#abc').ignores('#abc') // true +``` + +`pattern` could either be a line of ignore pattern or a string of multiple ignore patterns, which means we could just `ignore().add()` the content of a ignore file: + +```js +ignore() +.add(fs.readFileSync(filenameOfGitignore).toString()) +.filter(filenames) +``` + +`pattern` could also be an `ignore` instance, so that we could easily inherit the rules of another `Ignore` instance. + +## .addIgnoreFile(path) + +REMOVED in `3.x` for now. + +To upgrade `ignore@2.x` up to `3.x`, use + +```js +import fs from 'fs' + +if (fs.existsSync(filename)) { + ignore().add(fs.readFileSync(filename).toString()) +} +``` + +instead. + +## .filter(paths: Array<Pathname>): Array<Pathname> + +```ts +type Pathname = string +``` + +Filters the given array of pathnames, and returns the filtered array. + +- **paths** `Array.` The array of `pathname`s to be filtered. + +### `Pathname` Conventions: + +#### 1. `Pathname` should be a `path.relative()`d pathname + +`Pathname` should be a string that have been `path.join()`ed, or the return value of `path.relative()` to the current directory, + +```js +// WRONG, an error will be thrown +ig.ignores('./abc') + +// WRONG, for it will never happen, and an error will be thrown +// If the gitignore rule locates at the root directory, +// `'/abc'` should be changed to `'abc'`. +// ``` +// path.relative('/', '/abc') -> 'abc' +// ``` +ig.ignores('/abc') + +// WRONG, that it is an absolute path on Windows, an error will be thrown +ig.ignores('C:\\abc') + +// Right +ig.ignores('abc') + +// Right +ig.ignores(path.join('./abc')) // path.join('./abc') -> 'abc' +``` + +In other words, each `Pathname` here should be a relative path to the directory of the gitignore rules. + +Suppose the dir structure is: + +``` +/path/to/your/repo + |-- a + | |-- a.js + | + |-- .b + | + |-- .c + |-- .DS_store +``` + +Then the `paths` might be like this: + +```js +[ + 'a/a.js' + '.b', + '.c/.DS_store' +] +``` + +#### 2. filenames and dirnames + +`node-ignore` does NO `fs.stat` during path matching, so for the example below: + +```js +// First, we add a ignore pattern to ignore a directory +ig.add('config/') + +// `ig` does NOT know if 'config', in the real world, +// is a normal file, directory or something. + +ig.ignores('config') +// `ig` treats `config` as a file, so it returns `false` + +ig.ignores('config/') +// returns `true` +``` + +Specially for people who develop some library based on `node-ignore`, it is important to understand that. + +Usually, you could use [`glob`](http://npmjs.org/package/glob) with `option.mark = true` to fetch the structure of the current directory: + +```js +import glob from 'glob' + +glob('**', { + // Adds a / character to directory matches. + mark: true +}, (err, files) => { + if (err) { + return console.error(err) + } + + let filtered = ignore().add(patterns).filter(files) + console.log(filtered) +}) +``` + +## .ignores(pathname: Pathname): boolean + +> new in 3.2.0 + +Returns `Boolean` whether `pathname` should be ignored. + +```js +ig.ignores('.abc/a.js') // true +``` + +## .createFilter() + +Creates a filter function which could filter an array of paths with `Array.prototype.filter`. + +Returns `function(path)` the filter function. + +## .test(pathname: Pathname) since 5.0.0 + +Returns `TestResult` + +```ts +interface TestResult { + ignored: boolean + // true if the `pathname` is finally unignored by some negative pattern + unignored: boolean +} +``` + +- `{ignored: true, unignored: false}`: the `pathname` is ignored +- `{ignored: false, unignored: true}`: the `pathname` is unignored +- `{ignored: false, unignored: false}`: the `pathname` is never matched by any ignore rules. + +## static `ignore.isPathValid(pathname): boolean` since 5.0.0 + +Check whether the `pathname` is an valid `path.relative()`d path according to the [convention](#1-pathname-should-be-a-pathrelatived-pathname). + +This method is **NOT** used to check if an ignore pattern is valid. + +```js +ignore.isPathValid('./foo') // false +``` + +## ignore(options) + +### `options.ignorecase` since 4.0.0 + +Similar as the `core.ignorecase` option of [git-config](https://git-scm.com/docs/git-config), `node-ignore` will be case insensitive if `options.ignorecase` is set to `true` (the default value), otherwise case sensitive. + +```js +const ig = ignore({ + ignorecase: false +}) + +ig.add('*.png') + +ig.ignores('*.PNG') // false +``` + +### `options.ignoreCase?: boolean` since 5.2.0 + +Which is alternative to `options.ignoreCase` + +### `options.allowRelativePaths?: boolean` since 5.2.0 + +This option brings backward compatibility with projects which based on `ignore@4.x`. If `options.allowRelativePaths` is `true`, `ignore` will not check whether the given path to be tested is [`path.relative()`d](#pathname-conventions). + +However, passing a relative path, such as `'./foo'` or `'../foo'`, to test if it is ignored or not is not a good practise, which might lead to unexpected behavior + +```js +ignore({ + allowRelativePaths: true +}).ignores('../foo/bar.js') // And it will not throw +``` + +**** + +# Upgrade Guide + +## Upgrade 4.x -> 5.x + +Since `5.0.0`, if an invalid `Pathname` passed into `ig.ignores()`, an error will be thrown, unless `options.allowRelative = true` is passed to the `Ignore` factory. + +While `ignore < 5.0.0` did not make sure what the return value was, as well as + +```ts +.ignores(pathname: Pathname): boolean + +.filter(pathnames: Array): Array + +.createFilter(): (pathname: Pathname) => boolean + +.test(pathname: Pathname): {ignored: boolean, unignored: boolean} +``` + +See the convention [here](#1-pathname-should-be-a-pathrelatived-pathname) for details. + +If there are invalid pathnames, the conversion and filtration should be done by users. + +```js +import {isPathValid} from 'ignore' // introduced in 5.0.0 + +const paths = [ + // invalid + ////////////////// + '', + false, + '../foo', + '.', + ////////////////// + + // valid + 'foo' +] +.filter(isValidPath) + +ig.filter(paths) +``` + +## Upgrade 3.x -> 4.x + +Since `4.0.0`, `ignore` will no longer support node < 6, to use `ignore` in node < 6: + +```js +var ignore = require('ignore/legacy') +``` + +## Upgrade 2.x -> 3.x + +- All `options` of 2.x are unnecessary and removed, so just remove them. +- `ignore()` instance is no longer an [`EventEmitter`](nodejs.org/api/events.html), and all events are unnecessary and removed. +- `.addIgnoreFile()` is removed, see the [.addIgnoreFile](#addignorefilepath) section for details. + +**** + +# Collaborators + +- [@whitecolor](https://github.com/whitecolor) *Alex* +- [@SamyPesse](https://github.com/SamyPesse) *Samy Pessé* +- [@azproduction](https://github.com/azproduction) *Mikhail Davydov* +- [@TrySound](https://github.com/TrySound) *Bogdan Chadkin* +- [@JanMattner](https://github.com/JanMattner) *Jan Mattner* +- [@ntwb](https://github.com/ntwb) *Stephen Edgar* +- [@kasperisager](https://github.com/kasperisager) *Kasper Isager* +- [@sandersn](https://github.com/sandersn) *Nathan Shively-Sanders* diff --git a/module/node_modules/ignore/index.d.ts b/module/node_modules/ignore/index.d.ts new file mode 100644 index 000000000..970631e26 --- /dev/null +++ b/module/node_modules/ignore/index.d.ts @@ -0,0 +1,61 @@ +type Pathname = string + +interface TestResult { + ignored: boolean + unignored: boolean +} + +export interface Ignore { + /** + * Adds one or several rules to the current manager. + * @param {string[]} patterns + * @returns IgnoreBase + */ + add(patterns: string | Ignore | readonly (string | Ignore)[]): this + + /** + * Filters the given array of pathnames, and returns the filtered array. + * NOTICE that each path here should be a relative path to the root of your repository. + * @param paths the array of paths to be filtered. + * @returns The filtered array of paths + */ + filter(pathnames: readonly Pathname[]): Pathname[] + + /** + * Creates a filter function which could filter + * an array of paths with Array.prototype.filter. + */ + createFilter(): (pathname: Pathname) => boolean + + /** + * Returns Boolean whether pathname should be ignored. + * @param {string} pathname a path to check + * @returns boolean + */ + ignores(pathname: Pathname): boolean + + /** + * Returns whether pathname should be ignored or unignored + * @param {string} pathname a path to check + * @returns TestResult + */ + test(pathname: Pathname): TestResult +} + +export interface Options { + ignorecase?: boolean + // For compatibility + ignoreCase?: boolean + allowRelativePaths?: boolean +} + +/** + * Creates new ignore manager. + */ +declare function ignore(options?: Options): Ignore + +declare namespace ignore { + export function isPathValid (pathname: string): boolean +} + +export default ignore diff --git a/module/node_modules/ignore/index.js b/module/node_modules/ignore/index.js new file mode 100644 index 000000000..9f0dbfebd --- /dev/null +++ b/module/node_modules/ignore/index.js @@ -0,0 +1,636 @@ +// A simple implementation of make-array +function makeArray (subject) { + return Array.isArray(subject) + ? subject + : [subject] +} + +const EMPTY = '' +const SPACE = ' ' +const ESCAPE = '\\' +const REGEX_TEST_BLANK_LINE = /^\s+$/ +const REGEX_INVALID_TRAILING_BACKSLASH = /(?:[^\\]|^)\\$/ +const REGEX_REPLACE_LEADING_EXCAPED_EXCLAMATION = /^\\!/ +const REGEX_REPLACE_LEADING_EXCAPED_HASH = /^\\#/ +const REGEX_SPLITALL_CRLF = /\r?\n/g +// /foo, +// ./foo, +// ../foo, +// . +// .. +const REGEX_TEST_INVALID_PATH = /^\.*\/|^\.+$/ + +const SLASH = '/' + +// Do not use ternary expression here, since "istanbul ignore next" is buggy +let TMP_KEY_IGNORE = 'node-ignore' +/* istanbul ignore else */ +if (typeof Symbol !== 'undefined') { + TMP_KEY_IGNORE = Symbol.for('node-ignore') +} +const KEY_IGNORE = TMP_KEY_IGNORE + +const define = (object, key, value) => + Object.defineProperty(object, key, {value}) + +const REGEX_REGEXP_RANGE = /([0-z])-([0-z])/g + +const RETURN_FALSE = () => false + +// Sanitize the range of a regular expression +// The cases are complicated, see test cases for details +const sanitizeRange = range => range.replace( + REGEX_REGEXP_RANGE, + (match, from, to) => from.charCodeAt(0) <= to.charCodeAt(0) + ? match + // Invalid range (out of order) which is ok for gitignore rules but + // fatal for JavaScript regular expression, so eliminate it. + : EMPTY +) + +// See fixtures #59 +const cleanRangeBackSlash = slashes => { + const {length} = slashes + return slashes.slice(0, length - length % 2) +} + +// > If the pattern ends with a slash, +// > it is removed for the purpose of the following description, +// > but it would only find a match with a directory. +// > In other words, foo/ will match a directory foo and paths underneath it, +// > but will not match a regular file or a symbolic link foo +// > (this is consistent with the way how pathspec works in general in Git). +// '`foo/`' will not match regular file '`foo`' or symbolic link '`foo`' +// -> ignore-rules will not deal with it, because it costs extra `fs.stat` call +// you could use option `mark: true` with `glob` + +// '`foo/`' should not continue with the '`..`' +const REPLACERS = [ + + [ + // remove BOM + // TODO: + // Other similar zero-width characters? + /^\uFEFF/, + () => EMPTY + ], + + // > Trailing spaces are ignored unless they are quoted with backslash ("\") + [ + // (a\ ) -> (a ) + // (a ) -> (a) + // (a ) -> (a) + // (a \ ) -> (a ) + /((?:\\\\)*?)(\\?\s+)$/, + (_, m1, m2) => m1 + ( + m2.indexOf('\\') === 0 + ? SPACE + : EMPTY + ) + ], + + // replace (\ ) with ' ' + // (\ ) -> ' ' + // (\\ ) -> '\\ ' + // (\\\ ) -> '\\ ' + [ + /(\\+?)\s/g, + (_, m1) => { + const {length} = m1 + return m1.slice(0, length - length % 2) + SPACE + } + ], + + // Escape metacharacters + // which is written down by users but means special for regular expressions. + + // > There are 12 characters with special meanings: + // > - the backslash \, + // > - the caret ^, + // > - the dollar sign $, + // > - the period or dot ., + // > - the vertical bar or pipe symbol |, + // > - the question mark ?, + // > - the asterisk or star *, + // > - the plus sign +, + // > - the opening parenthesis (, + // > - the closing parenthesis ), + // > - and the opening square bracket [, + // > - the opening curly brace {, + // > These special characters are often called "metacharacters". + [ + /[\\$.|*+(){^]/g, + match => `\\${match}` + ], + + [ + // > a question mark (?) matches a single character + /(?!\\)\?/g, + () => '[^/]' + ], + + // leading slash + [ + + // > A leading slash matches the beginning of the pathname. + // > For example, "/*.c" matches "cat-file.c" but not "mozilla-sha1/sha1.c". + // A leading slash matches the beginning of the pathname + /^\//, + () => '^' + ], + + // replace special metacharacter slash after the leading slash + [ + /\//g, + () => '\\/' + ], + + [ + // > A leading "**" followed by a slash means match in all directories. + // > For example, "**/foo" matches file or directory "foo" anywhere, + // > the same as pattern "foo". + // > "**/foo/bar" matches file or directory "bar" anywhere that is directly + // > under directory "foo". + // Notice that the '*'s have been replaced as '\\*' + /^\^*\\\*\\\*\\\//, + + // '**/foo' <-> 'foo' + () => '^(?:.*\\/)?' + ], + + // starting + [ + // there will be no leading '/' + // (which has been replaced by section "leading slash") + // If starts with '**', adding a '^' to the regular expression also works + /^(?=[^^])/, + function startingReplacer () { + // If has a slash `/` at the beginning or middle + return !/\/(?!$)/.test(this) + // > Prior to 2.22.1 + // > If the pattern does not contain a slash /, + // > Git treats it as a shell glob pattern + // Actually, if there is only a trailing slash, + // git also treats it as a shell glob pattern + + // After 2.22.1 (compatible but clearer) + // > If there is a separator at the beginning or middle (or both) + // > of the pattern, then the pattern is relative to the directory + // > level of the particular .gitignore file itself. + // > Otherwise the pattern may also match at any level below + // > the .gitignore level. + ? '(?:^|\\/)' + + // > Otherwise, Git treats the pattern as a shell glob suitable for + // > consumption by fnmatch(3) + : '^' + } + ], + + // two globstars + [ + // Use lookahead assertions so that we could match more than one `'/**'` + /\\\/\\\*\\\*(?=\\\/|$)/g, + + // Zero, one or several directories + // should not use '*', or it will be replaced by the next replacer + + // Check if it is not the last `'/**'` + (_, index, str) => index + 6 < str.length + + // case: /**/ + // > A slash followed by two consecutive asterisks then a slash matches + // > zero or more directories. + // > For example, "a/**/b" matches "a/b", "a/x/b", "a/x/y/b" and so on. + // '/**/' + ? '(?:\\/[^\\/]+)*' + + // case: /** + // > A trailing `"/**"` matches everything inside. + + // #21: everything inside but it should not include the current folder + : '\\/.+' + ], + + // normal intermediate wildcards + [ + // Never replace escaped '*' + // ignore rule '\*' will match the path '*' + + // 'abc.*/' -> go + // 'abc.*' -> skip this rule, + // coz trailing single wildcard will be handed by [trailing wildcard] + /(^|[^\\]+)(\\\*)+(?=.+)/g, + + // '*.js' matches '.js' + // '*.js' doesn't match 'abc' + (_, p1, p2) => { + // 1. + // > An asterisk "*" matches anything except a slash. + // 2. + // > Other consecutive asterisks are considered regular asterisks + // > and will match according to the previous rules. + const unescaped = p2.replace(/\\\*/g, '[^\\/]*') + return p1 + unescaped + } + ], + + [ + // unescape, revert step 3 except for back slash + // For example, if a user escape a '\\*', + // after step 3, the result will be '\\\\\\*' + /\\\\\\(?=[$.|*+(){^])/g, + () => ESCAPE + ], + + [ + // '\\\\' -> '\\' + /\\\\/g, + () => ESCAPE + ], + + [ + // > The range notation, e.g. [a-zA-Z], + // > can be used to match one of the characters in a range. + + // `\` is escaped by step 3 + /(\\)?\[([^\]/]*?)(\\*)($|\])/g, + (match, leadEscape, range, endEscape, close) => leadEscape === ESCAPE + // '\\[bar]' -> '\\\\[bar\\]' + ? `\\[${range}${cleanRangeBackSlash(endEscape)}${close}` + : close === ']' + ? endEscape.length % 2 === 0 + // A normal case, and it is a range notation + // '[bar]' + // '[bar\\\\]' + ? `[${sanitizeRange(range)}${endEscape}]` + // Invalid range notaton + // '[bar\\]' -> '[bar\\\\]' + : '[]' + : '[]' + ], + + // ending + [ + // 'js' will not match 'js.' + // 'ab' will not match 'abc' + /(?:[^*])$/, + + // WTF! + // https://git-scm.com/docs/gitignore + // changes in [2.22.1](https://git-scm.com/docs/gitignore/2.22.1) + // which re-fixes #24, #38 + + // > If there is a separator at the end of the pattern then the pattern + // > will only match directories, otherwise the pattern can match both + // > files and directories. + + // 'js*' will not match 'a.js' + // 'js/' will not match 'a.js' + // 'js' will match 'a.js' and 'a.js/' + match => /\/$/.test(match) + // foo/ will not match 'foo' + ? `${match}$` + // foo matches 'foo' and 'foo/' + : `${match}(?=$|\\/$)` + ], + + // trailing wildcard + [ + /(\^|\\\/)?\\\*$/, + (_, p1) => { + const prefix = p1 + // '\^': + // '/*' does not match EMPTY + // '/*' does not match everything + + // '\\\/': + // 'abc/*' does not match 'abc/' + ? `${p1}[^/]+` + + // 'a*' matches 'a' + // 'a*' matches 'aa' + : '[^/]*' + + return `${prefix}(?=$|\\/$)` + } + ], +] + +// A simple cache, because an ignore rule only has only one certain meaning +const regexCache = Object.create(null) + +// @param {pattern} +const makeRegex = (pattern, ignoreCase) => { + let source = regexCache[pattern] + + if (!source) { + source = REPLACERS.reduce( + (prev, [matcher, replacer]) => + prev.replace(matcher, replacer.bind(pattern)), + pattern + ) + regexCache[pattern] = source + } + + return ignoreCase + ? new RegExp(source, 'i') + : new RegExp(source) +} + +const isString = subject => typeof subject === 'string' + +// > A blank line matches no files, so it can serve as a separator for readability. +const checkPattern = pattern => pattern + && isString(pattern) + && !REGEX_TEST_BLANK_LINE.test(pattern) + && !REGEX_INVALID_TRAILING_BACKSLASH.test(pattern) + + // > A line starting with # serves as a comment. + && pattern.indexOf('#') !== 0 + +const splitPattern = pattern => pattern.split(REGEX_SPLITALL_CRLF) + +class IgnoreRule { + constructor ( + origin, + pattern, + negative, + regex + ) { + this.origin = origin + this.pattern = pattern + this.negative = negative + this.regex = regex + } +} + +const createRule = (pattern, ignoreCase) => { + const origin = pattern + let negative = false + + // > An optional prefix "!" which negates the pattern; + if (pattern.indexOf('!') === 0) { + negative = true + pattern = pattern.substr(1) + } + + pattern = pattern + // > Put a backslash ("\") in front of the first "!" for patterns that + // > begin with a literal "!", for example, `"\!important!.txt"`. + .replace(REGEX_REPLACE_LEADING_EXCAPED_EXCLAMATION, '!') + // > Put a backslash ("\") in front of the first hash for patterns that + // > begin with a hash. + .replace(REGEX_REPLACE_LEADING_EXCAPED_HASH, '#') + + const regex = makeRegex(pattern, ignoreCase) + + return new IgnoreRule( + origin, + pattern, + negative, + regex + ) +} + +const throwError = (message, Ctor) => { + throw new Ctor(message) +} + +const checkPath = (path, originalPath, doThrow) => { + if (!isString(path)) { + return doThrow( + `path must be a string, but got \`${originalPath}\``, + TypeError + ) + } + + // We don't know if we should ignore EMPTY, so throw + if (!path) { + return doThrow(`path must not be empty`, TypeError) + } + + // Check if it is a relative path + if (checkPath.isNotRelative(path)) { + const r = '`path.relative()`d' + return doThrow( + `path should be a ${r} string, but got "${originalPath}"`, + RangeError + ) + } + + return true +} + +const isNotRelative = path => REGEX_TEST_INVALID_PATH.test(path) + +checkPath.isNotRelative = isNotRelative +checkPath.convert = p => p + +class Ignore { + constructor ({ + ignorecase = true, + ignoreCase = ignorecase, + allowRelativePaths = false + } = {}) { + define(this, KEY_IGNORE, true) + + this._rules = [] + this._ignoreCase = ignoreCase + this._allowRelativePaths = allowRelativePaths + this._initCache() + } + + _initCache () { + this._ignoreCache = Object.create(null) + this._testCache = Object.create(null) + } + + _addPattern (pattern) { + // #32 + if (pattern && pattern[KEY_IGNORE]) { + this._rules = this._rules.concat(pattern._rules) + this._added = true + return + } + + if (checkPattern(pattern)) { + const rule = createRule(pattern, this._ignoreCase) + this._added = true + this._rules.push(rule) + } + } + + // @param {Array | string | Ignore} pattern + add (pattern) { + this._added = false + + makeArray( + isString(pattern) + ? splitPattern(pattern) + : pattern + ).forEach(this._addPattern, this) + + // Some rules have just added to the ignore, + // making the behavior changed. + if (this._added) { + this._initCache() + } + + return this + } + + // legacy + addPattern (pattern) { + return this.add(pattern) + } + + // | ignored : unignored + // negative | 0:0 | 0:1 | 1:0 | 1:1 + // -------- | ------- | ------- | ------- | -------- + // 0 | TEST | TEST | SKIP | X + // 1 | TESTIF | SKIP | TEST | X + + // - SKIP: always skip + // - TEST: always test + // - TESTIF: only test if checkUnignored + // - X: that never happen + + // @param {boolean} whether should check if the path is unignored, + // setting `checkUnignored` to `false` could reduce additional + // path matching. + + // @returns {TestResult} true if a file is ignored + _testOne (path, checkUnignored) { + let ignored = false + let unignored = false + + this._rules.forEach(rule => { + const {negative} = rule + if ( + unignored === negative && ignored !== unignored + || negative && !ignored && !unignored && !checkUnignored + ) { + return + } + + const matched = rule.regex.test(path) + + if (matched) { + ignored = !negative + unignored = negative + } + }) + + return { + ignored, + unignored + } + } + + // @returns {TestResult} + _test (originalPath, cache, checkUnignored, slices) { + const path = originalPath + // Supports nullable path + && checkPath.convert(originalPath) + + checkPath( + path, + originalPath, + this._allowRelativePaths + ? RETURN_FALSE + : throwError + ) + + return this._t(path, cache, checkUnignored, slices) + } + + _t (path, cache, checkUnignored, slices) { + if (path in cache) { + return cache[path] + } + + if (!slices) { + // path/to/a.js + // ['path', 'to', 'a.js'] + slices = path.split(SLASH) + } + + slices.pop() + + // If the path has no parent directory, just test it + if (!slices.length) { + return cache[path] = this._testOne(path, checkUnignored) + } + + const parent = this._t( + slices.join(SLASH) + SLASH, + cache, + checkUnignored, + slices + ) + + // If the path contains a parent directory, check the parent first + return cache[path] = parent.ignored + // > It is not possible to re-include a file if a parent directory of + // > that file is excluded. + ? parent + : this._testOne(path, checkUnignored) + } + + ignores (path) { + return this._test(path, this._ignoreCache, false).ignored + } + + createFilter () { + return path => !this.ignores(path) + } + + filter (paths) { + return makeArray(paths).filter(this.createFilter()) + } + + // @returns {TestResult} + test (path) { + return this._test(path, this._testCache, true) + } +} + +const factory = options => new Ignore(options) + +const isPathValid = path => + checkPath(path && checkPath.convert(path), path, RETURN_FALSE) + +factory.isPathValid = isPathValid + +// Fixes typescript +factory.default = factory + +module.exports = factory + +// Windows +// -------------------------------------------------------------- +/* istanbul ignore if */ +if ( + // Detect `process` so that it can run in browsers. + typeof process !== 'undefined' + && ( + process.env && process.env.IGNORE_TEST_WIN32 + || process.platform === 'win32' + ) +) { + /* eslint no-control-regex: "off" */ + const makePosix = str => /^\\\\\?\\/.test(str) + || /["<>|\u0000-\u001F]+/u.test(str) + ? str + : str.replace(/\\/g, '/') + + checkPath.convert = makePosix + + // 'C:\\foo' <- 'C:\\foo' has been converted to 'C:/' + // 'd:\\foo' + const REGIX_IS_WINDOWS_PATH_ABSOLUTE = /^[a-z]:\//i + checkPath.isNotRelative = path => + REGIX_IS_WINDOWS_PATH_ABSOLUTE.test(path) + || isNotRelative(path) +} diff --git a/module/node_modules/ignore/legacy.js b/module/node_modules/ignore/legacy.js new file mode 100644 index 000000000..de3f66ce8 --- /dev/null +++ b/module/node_modules/ignore/legacy.js @@ -0,0 +1,559 @@ +"use strict"; + +function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); } +function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } } +function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; } +function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); } +function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); } +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } +function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); } +function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } +function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } +function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; } +function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } } +function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; } +// A simple implementation of make-array +function makeArray(subject) { + return Array.isArray(subject) ? subject : [subject]; +} +var EMPTY = ''; +var SPACE = ' '; +var ESCAPE = '\\'; +var REGEX_TEST_BLANK_LINE = /^\s+$/; +var REGEX_INVALID_TRAILING_BACKSLASH = /(?:[^\\]|^)\\$/; +var REGEX_REPLACE_LEADING_EXCAPED_EXCLAMATION = /^\\!/; +var REGEX_REPLACE_LEADING_EXCAPED_HASH = /^\\#/; +var REGEX_SPLITALL_CRLF = /\r?\n/g; +// /foo, +// ./foo, +// ../foo, +// . +// .. +var REGEX_TEST_INVALID_PATH = /^\.*\/|^\.+$/; +var SLASH = '/'; + +// Do not use ternary expression here, since "istanbul ignore next" is buggy +var TMP_KEY_IGNORE = 'node-ignore'; +/* istanbul ignore else */ +if (typeof Symbol !== 'undefined') { + TMP_KEY_IGNORE = Symbol["for"]('node-ignore'); +} +var KEY_IGNORE = TMP_KEY_IGNORE; +var define = function define(object, key, value) { + return Object.defineProperty(object, key, { + value: value + }); +}; +var REGEX_REGEXP_RANGE = /([0-z])-([0-z])/g; +var RETURN_FALSE = function RETURN_FALSE() { + return false; +}; + +// Sanitize the range of a regular expression +// The cases are complicated, see test cases for details +var sanitizeRange = function sanitizeRange(range) { + return range.replace(REGEX_REGEXP_RANGE, function (match, from, to) { + return from.charCodeAt(0) <= to.charCodeAt(0) ? match + // Invalid range (out of order) which is ok for gitignore rules but + // fatal for JavaScript regular expression, so eliminate it. + : EMPTY; + }); +}; + +// See fixtures #59 +var cleanRangeBackSlash = function cleanRangeBackSlash(slashes) { + var length = slashes.length; + return slashes.slice(0, length - length % 2); +}; + +// > If the pattern ends with a slash, +// > it is removed for the purpose of the following description, +// > but it would only find a match with a directory. +// > In other words, foo/ will match a directory foo and paths underneath it, +// > but will not match a regular file or a symbolic link foo +// > (this is consistent with the way how pathspec works in general in Git). +// '`foo/`' will not match regular file '`foo`' or symbolic link '`foo`' +// -> ignore-rules will not deal with it, because it costs extra `fs.stat` call +// you could use option `mark: true` with `glob` + +// '`foo/`' should not continue with the '`..`' +var REPLACERS = [[ +// remove BOM +// TODO: +// Other similar zero-width characters? +/^\uFEFF/, function () { + return EMPTY; +}], +// > Trailing spaces are ignored unless they are quoted with backslash ("\") +[ +// (a\ ) -> (a ) +// (a ) -> (a) +// (a ) -> (a) +// (a \ ) -> (a ) +/((?:\\\\)*?)(\\?\s+)$/, function (_, m1, m2) { + return m1 + (m2.indexOf('\\') === 0 ? SPACE : EMPTY); +}], +// replace (\ ) with ' ' +// (\ ) -> ' ' +// (\\ ) -> '\\ ' +// (\\\ ) -> '\\ ' +[/(\\+?)\s/g, function (_, m1) { + var length = m1.length; + return m1.slice(0, length - length % 2) + SPACE; +}], +// Escape metacharacters +// which is written down by users but means special for regular expressions. + +// > There are 12 characters with special meanings: +// > - the backslash \, +// > - the caret ^, +// > - the dollar sign $, +// > - the period or dot ., +// > - the vertical bar or pipe symbol |, +// > - the question mark ?, +// > - the asterisk or star *, +// > - the plus sign +, +// > - the opening parenthesis (, +// > - the closing parenthesis ), +// > - and the opening square bracket [, +// > - the opening curly brace {, +// > These special characters are often called "metacharacters". +[/[\\$.|*+(){^]/g, function (match) { + return "\\".concat(match); +}], [ +// > a question mark (?) matches a single character +/(?!\\)\?/g, function () { + return '[^/]'; +}], +// leading slash +[ +// > A leading slash matches the beginning of the pathname. +// > For example, "/*.c" matches "cat-file.c" but not "mozilla-sha1/sha1.c". +// A leading slash matches the beginning of the pathname +/^\//, function () { + return '^'; +}], +// replace special metacharacter slash after the leading slash +[/\//g, function () { + return '\\/'; +}], [ +// > A leading "**" followed by a slash means match in all directories. +// > For example, "**/foo" matches file or directory "foo" anywhere, +// > the same as pattern "foo". +// > "**/foo/bar" matches file or directory "bar" anywhere that is directly +// > under directory "foo". +// Notice that the '*'s have been replaced as '\\*' +/^\^*\\\*\\\*\\\//, +// '**/foo' <-> 'foo' +function () { + return '^(?:.*\\/)?'; +}], +// starting +[ +// there will be no leading '/' +// (which has been replaced by section "leading slash") +// If starts with '**', adding a '^' to the regular expression also works +/^(?=[^^])/, function startingReplacer() { + // If has a slash `/` at the beginning or middle + return !/\/(?!$)/.test(this) + // > Prior to 2.22.1 + // > If the pattern does not contain a slash /, + // > Git treats it as a shell glob pattern + // Actually, if there is only a trailing slash, + // git also treats it as a shell glob pattern + + // After 2.22.1 (compatible but clearer) + // > If there is a separator at the beginning or middle (or both) + // > of the pattern, then the pattern is relative to the directory + // > level of the particular .gitignore file itself. + // > Otherwise the pattern may also match at any level below + // > the .gitignore level. + ? '(?:^|\\/)' + + // > Otherwise, Git treats the pattern as a shell glob suitable for + // > consumption by fnmatch(3) + : '^'; +}], +// two globstars +[ +// Use lookahead assertions so that we could match more than one `'/**'` +/\\\/\\\*\\\*(?=\\\/|$)/g, +// Zero, one or several directories +// should not use '*', or it will be replaced by the next replacer + +// Check if it is not the last `'/**'` +function (_, index, str) { + return index + 6 < str.length + + // case: /**/ + // > A slash followed by two consecutive asterisks then a slash matches + // > zero or more directories. + // > For example, "a/**/b" matches "a/b", "a/x/b", "a/x/y/b" and so on. + // '/**/' + ? '(?:\\/[^\\/]+)*' + + // case: /** + // > A trailing `"/**"` matches everything inside. + + // #21: everything inside but it should not include the current folder + : '\\/.+'; +}], +// normal intermediate wildcards +[ +// Never replace escaped '*' +// ignore rule '\*' will match the path '*' + +// 'abc.*/' -> go +// 'abc.*' -> skip this rule, +// coz trailing single wildcard will be handed by [trailing wildcard] +/(^|[^\\]+)(\\\*)+(?=.+)/g, +// '*.js' matches '.js' +// '*.js' doesn't match 'abc' +function (_, p1, p2) { + // 1. + // > An asterisk "*" matches anything except a slash. + // 2. + // > Other consecutive asterisks are considered regular asterisks + // > and will match according to the previous rules. + var unescaped = p2.replace(/\\\*/g, '[^\\/]*'); + return p1 + unescaped; +}], [ +// unescape, revert step 3 except for back slash +// For example, if a user escape a '\\*', +// after step 3, the result will be '\\\\\\*' +/\\\\\\(?=[$.|*+(){^])/g, function () { + return ESCAPE; +}], [ +// '\\\\' -> '\\' +/\\\\/g, function () { + return ESCAPE; +}], [ +// > The range notation, e.g. [a-zA-Z], +// > can be used to match one of the characters in a range. + +// `\` is escaped by step 3 +/(\\)?\[([^\]/]*?)(\\*)($|\])/g, function (match, leadEscape, range, endEscape, close) { + return leadEscape === ESCAPE + // '\\[bar]' -> '\\\\[bar\\]' + ? "\\[".concat(range).concat(cleanRangeBackSlash(endEscape)).concat(close) : close === ']' ? endEscape.length % 2 === 0 + // A normal case, and it is a range notation + // '[bar]' + // '[bar\\\\]' + ? "[".concat(sanitizeRange(range)).concat(endEscape, "]") // Invalid range notaton + // '[bar\\]' -> '[bar\\\\]' + : '[]' : '[]'; +}], +// ending +[ +// 'js' will not match 'js.' +// 'ab' will not match 'abc' +/(?:[^*])$/, +// WTF! +// https://git-scm.com/docs/gitignore +// changes in [2.22.1](https://git-scm.com/docs/gitignore/2.22.1) +// which re-fixes #24, #38 + +// > If there is a separator at the end of the pattern then the pattern +// > will only match directories, otherwise the pattern can match both +// > files and directories. + +// 'js*' will not match 'a.js' +// 'js/' will not match 'a.js' +// 'js' will match 'a.js' and 'a.js/' +function (match) { + return /\/$/.test(match) + // foo/ will not match 'foo' + ? "".concat(match, "$") // foo matches 'foo' and 'foo/' + : "".concat(match, "(?=$|\\/$)"); +}], +// trailing wildcard +[/(\^|\\\/)?\\\*$/, function (_, p1) { + var prefix = p1 + // '\^': + // '/*' does not match EMPTY + // '/*' does not match everything + + // '\\\/': + // 'abc/*' does not match 'abc/' + ? "".concat(p1, "[^/]+") // 'a*' matches 'a' + // 'a*' matches 'aa' + : '[^/]*'; + return "".concat(prefix, "(?=$|\\/$)"); +}]]; + +// A simple cache, because an ignore rule only has only one certain meaning +var regexCache = Object.create(null); + +// @param {pattern} +var makeRegex = function makeRegex(pattern, ignoreCase) { + var source = regexCache[pattern]; + if (!source) { + source = REPLACERS.reduce(function (prev, _ref) { + var _ref2 = _slicedToArray(_ref, 2), + matcher = _ref2[0], + replacer = _ref2[1]; + return prev.replace(matcher, replacer.bind(pattern)); + }, pattern); + regexCache[pattern] = source; + } + return ignoreCase ? new RegExp(source, 'i') : new RegExp(source); +}; +var isString = function isString(subject) { + return typeof subject === 'string'; +}; + +// > A blank line matches no files, so it can serve as a separator for readability. +var checkPattern = function checkPattern(pattern) { + return pattern && isString(pattern) && !REGEX_TEST_BLANK_LINE.test(pattern) && !REGEX_INVALID_TRAILING_BACKSLASH.test(pattern) + + // > A line starting with # serves as a comment. + && pattern.indexOf('#') !== 0; +}; +var splitPattern = function splitPattern(pattern) { + return pattern.split(REGEX_SPLITALL_CRLF); +}; +var IgnoreRule = /*#__PURE__*/_createClass(function IgnoreRule(origin, pattern, negative, regex) { + _classCallCheck(this, IgnoreRule); + this.origin = origin; + this.pattern = pattern; + this.negative = negative; + this.regex = regex; +}); +var createRule = function createRule(pattern, ignoreCase) { + var origin = pattern; + var negative = false; + + // > An optional prefix "!" which negates the pattern; + if (pattern.indexOf('!') === 0) { + negative = true; + pattern = pattern.substr(1); + } + pattern = pattern + // > Put a backslash ("\") in front of the first "!" for patterns that + // > begin with a literal "!", for example, `"\!important!.txt"`. + .replace(REGEX_REPLACE_LEADING_EXCAPED_EXCLAMATION, '!') + // > Put a backslash ("\") in front of the first hash for patterns that + // > begin with a hash. + .replace(REGEX_REPLACE_LEADING_EXCAPED_HASH, '#'); + var regex = makeRegex(pattern, ignoreCase); + return new IgnoreRule(origin, pattern, negative, regex); +}; +var throwError = function throwError(message, Ctor) { + throw new Ctor(message); +}; +var checkPath = function checkPath(path, originalPath, doThrow) { + if (!isString(path)) { + return doThrow("path must be a string, but got `".concat(originalPath, "`"), TypeError); + } + + // We don't know if we should ignore EMPTY, so throw + if (!path) { + return doThrow("path must not be empty", TypeError); + } + + // Check if it is a relative path + if (checkPath.isNotRelative(path)) { + var r = '`path.relative()`d'; + return doThrow("path should be a ".concat(r, " string, but got \"").concat(originalPath, "\""), RangeError); + } + return true; +}; +var isNotRelative = function isNotRelative(path) { + return REGEX_TEST_INVALID_PATH.test(path); +}; +checkPath.isNotRelative = isNotRelative; +checkPath.convert = function (p) { + return p; +}; +var Ignore = /*#__PURE__*/function () { + function Ignore() { + var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}, + _ref3$ignorecase = _ref3.ignorecase, + ignorecase = _ref3$ignorecase === void 0 ? true : _ref3$ignorecase, + _ref3$ignoreCase = _ref3.ignoreCase, + ignoreCase = _ref3$ignoreCase === void 0 ? ignorecase : _ref3$ignoreCase, + _ref3$allowRelativePa = _ref3.allowRelativePaths, + allowRelativePaths = _ref3$allowRelativePa === void 0 ? false : _ref3$allowRelativePa; + _classCallCheck(this, Ignore); + define(this, KEY_IGNORE, true); + this._rules = []; + this._ignoreCase = ignoreCase; + this._allowRelativePaths = allowRelativePaths; + this._initCache(); + } + _createClass(Ignore, [{ + key: "_initCache", + value: function _initCache() { + this._ignoreCache = Object.create(null); + this._testCache = Object.create(null); + } + }, { + key: "_addPattern", + value: function _addPattern(pattern) { + // #32 + if (pattern && pattern[KEY_IGNORE]) { + this._rules = this._rules.concat(pattern._rules); + this._added = true; + return; + } + if (checkPattern(pattern)) { + var rule = createRule(pattern, this._ignoreCase); + this._added = true; + this._rules.push(rule); + } + } + + // @param {Array | string | Ignore} pattern + }, { + key: "add", + value: function add(pattern) { + this._added = false; + makeArray(isString(pattern) ? splitPattern(pattern) : pattern).forEach(this._addPattern, this); + + // Some rules have just added to the ignore, + // making the behavior changed. + if (this._added) { + this._initCache(); + } + return this; + } + + // legacy + }, { + key: "addPattern", + value: function addPattern(pattern) { + return this.add(pattern); + } + + // | ignored : unignored + // negative | 0:0 | 0:1 | 1:0 | 1:1 + // -------- | ------- | ------- | ------- | -------- + // 0 | TEST | TEST | SKIP | X + // 1 | TESTIF | SKIP | TEST | X + + // - SKIP: always skip + // - TEST: always test + // - TESTIF: only test if checkUnignored + // - X: that never happen + + // @param {boolean} whether should check if the path is unignored, + // setting `checkUnignored` to `false` could reduce additional + // path matching. + + // @returns {TestResult} true if a file is ignored + }, { + key: "_testOne", + value: function _testOne(path, checkUnignored) { + var ignored = false; + var unignored = false; + this._rules.forEach(function (rule) { + var negative = rule.negative; + if (unignored === negative && ignored !== unignored || negative && !ignored && !unignored && !checkUnignored) { + return; + } + var matched = rule.regex.test(path); + if (matched) { + ignored = !negative; + unignored = negative; + } + }); + return { + ignored: ignored, + unignored: unignored + }; + } + + // @returns {TestResult} + }, { + key: "_test", + value: function _test(originalPath, cache, checkUnignored, slices) { + var path = originalPath + // Supports nullable path + && checkPath.convert(originalPath); + checkPath(path, originalPath, this._allowRelativePaths ? RETURN_FALSE : throwError); + return this._t(path, cache, checkUnignored, slices); + } + }, { + key: "_t", + value: function _t(path, cache, checkUnignored, slices) { + if (path in cache) { + return cache[path]; + } + if (!slices) { + // path/to/a.js + // ['path', 'to', 'a.js'] + slices = path.split(SLASH); + } + slices.pop(); + + // If the path has no parent directory, just test it + if (!slices.length) { + return cache[path] = this._testOne(path, checkUnignored); + } + var parent = this._t(slices.join(SLASH) + SLASH, cache, checkUnignored, slices); + + // If the path contains a parent directory, check the parent first + return cache[path] = parent.ignored + // > It is not possible to re-include a file if a parent directory of + // > that file is excluded. + ? parent : this._testOne(path, checkUnignored); + } + }, { + key: "ignores", + value: function ignores(path) { + return this._test(path, this._ignoreCache, false).ignored; + } + }, { + key: "createFilter", + value: function createFilter() { + var _this = this; + return function (path) { + return !_this.ignores(path); + }; + } + }, { + key: "filter", + value: function filter(paths) { + return makeArray(paths).filter(this.createFilter()); + } + + // @returns {TestResult} + }, { + key: "test", + value: function test(path) { + return this._test(path, this._testCache, true); + } + }]); + return Ignore; +}(); +var factory = function factory(options) { + return new Ignore(options); +}; +var isPathValid = function isPathValid(path) { + return checkPath(path && checkPath.convert(path), path, RETURN_FALSE); +}; +factory.isPathValid = isPathValid; + +// Fixes typescript +factory["default"] = factory; +module.exports = factory; + +// Windows +// -------------------------------------------------------------- +/* istanbul ignore if */ +if ( +// Detect `process` so that it can run in browsers. +typeof process !== 'undefined' && (process.env && process.env.IGNORE_TEST_WIN32 || process.platform === 'win32')) { + /* eslint no-control-regex: "off" */ + var makePosix = function makePosix(str) { + return /^\\\\\?\\/.test(str) || /[\0-\x1F"<>\|]+/.test(str) ? str : str.replace(/\\/g, '/'); + }; + checkPath.convert = makePosix; + + // 'C:\\foo' <- 'C:\\foo' has been converted to 'C:/' + // 'd:\\foo' + var REGIX_IS_WINDOWS_PATH_ABSOLUTE = /^[a-z]:\//i; + checkPath.isNotRelative = function (path) { + return REGIX_IS_WINDOWS_PATH_ABSOLUTE.test(path) || isNotRelative(path); + }; +} diff --git a/module/node_modules/ignore/package.json b/module/node_modules/ignore/package.json new file mode 100644 index 000000000..b7f684e98 --- /dev/null +++ b/module/node_modules/ignore/package.json @@ -0,0 +1,74 @@ +{ + "name": "ignore", + "version": "5.3.2", + "description": "Ignore is a manager and filter for .gitignore rules, the one used by eslint, gitbook and many others.", + "files": [ + "legacy.js", + "index.js", + "index.d.ts", + "LICENSE-MIT" + ], + "scripts": { + "prepublishOnly": "npm run build", + "build": "babel -o legacy.js index.js", + "test:lint": "eslint .", + "test:tsc": "tsc ./test/ts/simple.ts --lib ES6", + "test:ts": "node ./test/ts/simple.js", + "tap": "tap --reporter classic", + "test:git": "npm run tap test/git-check-ignore.js", + "test:ignore": "npm run tap test/ignore.js", + "test:ignore:only": "IGNORE_ONLY_IGNORES=1 npm run tap test/ignore.js", + "test:others": "npm run tap test/others.js", + "test:cases": "npm run tap test/*.js -- --coverage", + "test:no-coverage": "npm run tap test/*.js -- --no-check-coverage", + "test:only": "npm run test:lint && npm run test:tsc && npm run test:ts && npm run test:cases", + "test": "npm run test:only", + "test:win32": "IGNORE_TEST_WIN32=1 npm run test", + "report": "tap --coverage-report=html", + "posttest": "npm run report && codecov" + }, + "repository": { + "type": "git", + "url": "git@github.com:kaelzhang/node-ignore.git" + }, + "keywords": [ + "ignore", + ".gitignore", + "gitignore", + "npmignore", + "rules", + "manager", + "filter", + "regexp", + "regex", + "fnmatch", + "glob", + "asterisks", + "regular-expression" + ], + "author": "kael", + "license": "MIT", + "bugs": { + "url": "https://github.com/kaelzhang/node-ignore/issues" + }, + "devDependencies": { + "@babel/cli": "^7.22.9", + "@babel/core": "^7.22.9", + "@babel/preset-env": "^7.22.9", + "codecov": "^3.8.2", + "debug": "^4.3.4", + "eslint": "^8.46.0", + "eslint-config-ostai": "^3.0.0", + "eslint-plugin-import": "^2.28.0", + "mkdirp": "^3.0.1", + "pre-suf": "^1.1.1", + "rimraf": "^6.0.1", + "spawn-sync": "^2.0.0", + "tap": "^16.3.9", + "tmp": "0.2.3", + "typescript": "^5.1.6" + }, + "engines": { + "node": ">= 4" + } +} diff --git a/module/node_modules/import-fresh/index.d.ts b/module/node_modules/import-fresh/index.d.ts new file mode 100644 index 000000000..36d7e208b --- /dev/null +++ b/module/node_modules/import-fresh/index.d.ts @@ -0,0 +1,30 @@ +/** +Import a module while bypassing the cache. + +@example +``` +// foo.js +let i = 0; +module.exports = () => ++i; + +// index.js +import importFresh = require('import-fresh'); + +require('./foo')(); +//=> 1 + +require('./foo')(); +//=> 2 + +importFresh('./foo')(); +//=> 1 + +importFresh('./foo')(); +//=> 1 + +const foo = importFresh('./foo'); +``` +*/ +declare function importFresh(moduleId: string): T; + +export = importFresh; diff --git a/module/node_modules/import-fresh/index.js b/module/node_modules/import-fresh/index.js new file mode 100644 index 000000000..1bed87651 --- /dev/null +++ b/module/node_modules/import-fresh/index.js @@ -0,0 +1,34 @@ +'use strict'; +const path = require('path'); +const resolveFrom = require('resolve-from'); +const parentModule = require('parent-module'); + +module.exports = moduleId => { + if (typeof moduleId !== 'string') { + throw new TypeError('Expected a string'); + } + + const parentPath = parentModule(__filename); + + const cwd = parentPath ? path.dirname(parentPath) : __dirname; + const filePath = resolveFrom(cwd, moduleId); + + const oldModule = require.cache[filePath]; + // Delete itself from module parent + if (oldModule && oldModule.parent) { + let i = oldModule.parent.children.length; + + while (i--) { + if (oldModule.parent.children[i].id === filePath) { + oldModule.parent.children.splice(i, 1); + } + } + } + + delete require.cache[filePath]; // Delete module from cache + + const parent = require.cache[parentPath]; // If `filePath` and `parentPath` are the same, cache will already be deleted so we won't get a memory leak in next step + + // In case cache doesn't have parent, fall back to normal require + return parent === undefined || parent.require === undefined ? require(filePath) : parent.require(filePath); +}; diff --git a/module/node_modules/import-fresh/license b/module/node_modules/import-fresh/license new file mode 100644 index 000000000..fa7ceba3e --- /dev/null +++ b/module/node_modules/import-fresh/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (https://sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/import-fresh/package.json b/module/node_modules/import-fresh/package.json new file mode 100644 index 000000000..4e8b84166 --- /dev/null +++ b/module/node_modules/import-fresh/package.json @@ -0,0 +1,48 @@ +{ + "name": "import-fresh", + "version": "3.3.1", + "description": "Import a module while bypassing the cache", + "license": "MIT", + "repository": "sindresorhus/import-fresh", + "funding": "https://github.com/sponsors/sindresorhus", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "https://sindresorhus.com" + }, + "exports": { + "types": "./index.d.ts", + "default": "./index.js" + }, + "sideEffects": false, + "engines": { + "node": ">=6" + }, + "scripts": { + "test": "xo && ava && tsd", + "heapdump": "node heapdump.js" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "keywords": [ + "require", + "cache", + "uncache", + "uncached", + "module", + "fresh", + "bypass" + ], + "dependencies": { + "parent-module": "^1.0.0", + "resolve-from": "^4.0.0" + }, + "devDependencies": { + "ava": "^1.0.1", + "heapdump": "^0.3.12", + "tsd": "^0.7.3", + "xo": "^0.23.0" + } +} diff --git a/module/node_modules/import-fresh/readme.md b/module/node_modules/import-fresh/readme.md new file mode 100644 index 000000000..a868bc627 --- /dev/null +++ b/module/node_modules/import-fresh/readme.md @@ -0,0 +1,54 @@ +# import-fresh + +> Import a module while bypassing the [cache](https://nodejs.org/api/modules.html#modules_caching) + +Useful for testing purposes when you need to freshly import a module. + +## ESM + +For ESM, you can use this snippet: + +```js +const importFresh = moduleName => import(`${moduleName}?${Date.now()}`); + +const {default: foo} = await importFresh('foo'); +``` + +**This snippet causes a memory leak, so only use it for short-lived tests.** + +## Install + +```sh +npm install import-fresh +``` + +## Usage + +```js +// foo.js +let i = 0; +module.exports = () => ++i; +``` + +```js +const importFresh = require('import-fresh'); + +require('./foo')(); +//=> 1 + +require('./foo')(); +//=> 2 + +importFresh('./foo')(); +//=> 1 + +importFresh('./foo')(); +//=> 1 +``` + +## Related + +- [clear-module](https://github.com/sindresorhus/clear-module) - Clear a module from the import cache +- [import-from](https://github.com/sindresorhus/import-from) - Import a module from a given path +- [import-cwd](https://github.com/sindresorhus/import-cwd) - Import a module from the current working directory +- [import-lazy](https://github.com/sindresorhus/import-lazy) - Import modules lazily diff --git a/module/node_modules/imurmurhash/README.md b/module/node_modules/imurmurhash/README.md new file mode 100644 index 000000000..f35b20a0e --- /dev/null +++ b/module/node_modules/imurmurhash/README.md @@ -0,0 +1,122 @@ +iMurmurHash.js +============== + +An incremental implementation of the MurmurHash3 (32-bit) hashing algorithm for JavaScript based on [Gary Court's implementation](https://github.com/garycourt/murmurhash-js) with [kazuyukitanimura's modifications](https://github.com/kazuyukitanimura/murmurhash-js). + +This version works significantly faster than the non-incremental version if you need to hash many small strings into a single hash, since string concatenation (to build the single string to pass the non-incremental version) is fairly costly. In one case tested, using the incremental version was about 50% faster than concatenating 5-10 strings and then hashing. + +Installation +------------ + +To use iMurmurHash in the browser, [download the latest version](https://raw.github.com/jensyt/imurmurhash-js/master/imurmurhash.min.js) and include it as a script on your site. + +```html + + +``` + +--- + +To use iMurmurHash in Node.js, install the module using NPM: + +```bash +npm install imurmurhash +``` + +Then simply include it in your scripts: + +```javascript +MurmurHash3 = require('imurmurhash'); +``` + +Quick Example +------------- + +```javascript +// Create the initial hash +var hashState = MurmurHash3('string'); + +// Incrementally add text +hashState.hash('more strings'); +hashState.hash('even more strings'); + +// All calls can be chained if desired +hashState.hash('and').hash('some').hash('more'); + +// Get a result +hashState.result(); +// returns 0xe4ccfe6b +``` + +Functions +--------- + +### MurmurHash3 ([string], [seed]) +Get a hash state object, optionally initialized with the given _string_ and _seed_. _Seed_ must be a positive integer if provided. Calling this function without the `new` keyword will return a cached state object that has been reset. This is safe to use as long as the object is only used from a single thread and no other hashes are created while operating on this one. If this constraint cannot be met, you can use `new` to create a new state object. For example: + +```javascript +// Use the cached object, calling the function again will return the same +// object (but reset, so the current state would be lost) +hashState = MurmurHash3(); +... + +// Create a new object that can be safely used however you wish. Calling the +// function again will simply return a new state object, and no state loss +// will occur, at the cost of creating more objects. +hashState = new MurmurHash3(); +``` + +Both methods can be mixed however you like if you have different use cases. + +--- + +### MurmurHash3.prototype.hash (string) +Incrementally add _string_ to the hash. This can be called as many times as you want for the hash state object, including after a call to `result()`. Returns `this` so calls can be chained. + +--- + +### MurmurHash3.prototype.result () +Get the result of the hash as a 32-bit positive integer. This performs the tail and finalizer portions of the algorithm, but does not store the result in the state object. This means that it is perfectly safe to get results and then continue adding strings via `hash`. + +```javascript +// Do the whole string at once +MurmurHash3('this is a test string').result(); +// 0x70529328 + +// Do part of the string, get a result, then the other part +var m = MurmurHash3('this is a'); +m.result(); +// 0xbfc4f834 +m.hash(' test string').result(); +// 0x70529328 (same as above) +``` + +--- + +### MurmurHash3.prototype.reset ([seed]) +Reset the state object for reuse, optionally using the given _seed_ (defaults to 0 like the constructor). Returns `this` so calls can be chained. + +--- + +License (MIT) +------------- +Copyright (c) 2013 Gary Court, Jens Taylor + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/imurmurhash/imurmurhash.js b/module/node_modules/imurmurhash/imurmurhash.js new file mode 100644 index 000000000..e63146a2b --- /dev/null +++ b/module/node_modules/imurmurhash/imurmurhash.js @@ -0,0 +1,138 @@ +/** + * @preserve + * JS Implementation of incremental MurmurHash3 (r150) (as of May 10, 2013) + * + * @author Jens Taylor + * @see http://github.com/homebrewing/brauhaus-diff + * @author Gary Court + * @see http://github.com/garycourt/murmurhash-js + * @author Austin Appleby + * @see http://sites.google.com/site/murmurhash/ + */ +(function(){ + var cache; + + // Call this function without `new` to use the cached object (good for + // single-threaded environments), or with `new` to create a new object. + // + // @param {string} key A UTF-16 or ASCII string + // @param {number} seed An optional positive integer + // @return {object} A MurmurHash3 object for incremental hashing + function MurmurHash3(key, seed) { + var m = this instanceof MurmurHash3 ? this : cache; + m.reset(seed) + if (typeof key === 'string' && key.length > 0) { + m.hash(key); + } + + if (m !== this) { + return m; + } + }; + + // Incrementally add a string to this hash + // + // @param {string} key A UTF-16 or ASCII string + // @return {object} this + MurmurHash3.prototype.hash = function(key) { + var h1, k1, i, top, len; + + len = key.length; + this.len += len; + + k1 = this.k1; + i = 0; + switch (this.rem) { + case 0: k1 ^= len > i ? (key.charCodeAt(i++) & 0xffff) : 0; + case 1: k1 ^= len > i ? (key.charCodeAt(i++) & 0xffff) << 8 : 0; + case 2: k1 ^= len > i ? (key.charCodeAt(i++) & 0xffff) << 16 : 0; + case 3: + k1 ^= len > i ? (key.charCodeAt(i) & 0xff) << 24 : 0; + k1 ^= len > i ? (key.charCodeAt(i++) & 0xff00) >> 8 : 0; + } + + this.rem = (len + this.rem) & 3; // & 3 is same as % 4 + len -= this.rem; + if (len > 0) { + h1 = this.h1; + while (1) { + k1 = (k1 * 0x2d51 + (k1 & 0xffff) * 0xcc9e0000) & 0xffffffff; + k1 = (k1 << 15) | (k1 >>> 17); + k1 = (k1 * 0x3593 + (k1 & 0xffff) * 0x1b870000) & 0xffffffff; + + h1 ^= k1; + h1 = (h1 << 13) | (h1 >>> 19); + h1 = (h1 * 5 + 0xe6546b64) & 0xffffffff; + + if (i >= len) { + break; + } + + k1 = ((key.charCodeAt(i++) & 0xffff)) ^ + ((key.charCodeAt(i++) & 0xffff) << 8) ^ + ((key.charCodeAt(i++) & 0xffff) << 16); + top = key.charCodeAt(i++); + k1 ^= ((top & 0xff) << 24) ^ + ((top & 0xff00) >> 8); + } + + k1 = 0; + switch (this.rem) { + case 3: k1 ^= (key.charCodeAt(i + 2) & 0xffff) << 16; + case 2: k1 ^= (key.charCodeAt(i + 1) & 0xffff) << 8; + case 1: k1 ^= (key.charCodeAt(i) & 0xffff); + } + + this.h1 = h1; + } + + this.k1 = k1; + return this; + }; + + // Get the result of this hash + // + // @return {number} The 32-bit hash + MurmurHash3.prototype.result = function() { + var k1, h1; + + k1 = this.k1; + h1 = this.h1; + + if (k1 > 0) { + k1 = (k1 * 0x2d51 + (k1 & 0xffff) * 0xcc9e0000) & 0xffffffff; + k1 = (k1 << 15) | (k1 >>> 17); + k1 = (k1 * 0x3593 + (k1 & 0xffff) * 0x1b870000) & 0xffffffff; + h1 ^= k1; + } + + h1 ^= this.len; + + h1 ^= h1 >>> 16; + h1 = (h1 * 0xca6b + (h1 & 0xffff) * 0x85eb0000) & 0xffffffff; + h1 ^= h1 >>> 13; + h1 = (h1 * 0xae35 + (h1 & 0xffff) * 0xc2b20000) & 0xffffffff; + h1 ^= h1 >>> 16; + + return h1 >>> 0; + }; + + // Reset the hash object for reuse + // + // @param {number} seed An optional positive integer + MurmurHash3.prototype.reset = function(seed) { + this.h1 = typeof seed === 'number' ? seed : 0; + this.rem = this.k1 = this.len = 0; + return this; + }; + + // A cached object to use. This can be safely used if you're in a single- + // threaded environment, otherwise you need to create new hashes to use. + cache = new MurmurHash3(); + + if (typeof(module) != 'undefined') { + module.exports = MurmurHash3; + } else { + this.MurmurHash3 = MurmurHash3; + } +}()); diff --git a/module/node_modules/imurmurhash/imurmurhash.min.js b/module/node_modules/imurmurhash/imurmurhash.min.js new file mode 100644 index 000000000..dc0ee88d6 --- /dev/null +++ b/module/node_modules/imurmurhash/imurmurhash.min.js @@ -0,0 +1,12 @@ +/** + * @preserve + * JS Implementation of incremental MurmurHash3 (r150) (as of May 10, 2013) + * + * @author Jens Taylor + * @see http://github.com/homebrewing/brauhaus-diff + * @author Gary Court + * @see http://github.com/garycourt/murmurhash-js + * @author Austin Appleby + * @see http://sites.google.com/site/murmurhash/ + */ +!function(){function t(h,r){var s=this instanceof t?this:e;return s.reset(r),"string"==typeof h&&h.length>0&&s.hash(h),s!==this?s:void 0}var e;t.prototype.hash=function(t){var e,h,r,s,i;switch(i=t.length,this.len+=i,h=this.k1,r=0,this.rem){case 0:h^=i>r?65535&t.charCodeAt(r++):0;case 1:h^=i>r?(65535&t.charCodeAt(r++))<<8:0;case 2:h^=i>r?(65535&t.charCodeAt(r++))<<16:0;case 3:h^=i>r?(255&t.charCodeAt(r))<<24:0,h^=i>r?(65280&t.charCodeAt(r++))>>8:0}if(this.rem=3&i+this.rem,i-=this.rem,i>0){for(e=this.h1;;){if(h=4294967295&11601*h+3432906752*(65535&h),h=h<<15|h>>>17,h=4294967295&13715*h+461832192*(65535&h),e^=h,e=e<<13|e>>>19,e=4294967295&5*e+3864292196,r>=i)break;h=65535&t.charCodeAt(r++)^(65535&t.charCodeAt(r++))<<8^(65535&t.charCodeAt(r++))<<16,s=t.charCodeAt(r++),h^=(255&s)<<24^(65280&s)>>8}switch(h=0,this.rem){case 3:h^=(65535&t.charCodeAt(r+2))<<16;case 2:h^=(65535&t.charCodeAt(r+1))<<8;case 1:h^=65535&t.charCodeAt(r)}this.h1=e}return this.k1=h,this},t.prototype.result=function(){var t,e;return t=this.k1,e=this.h1,t>0&&(t=4294967295&11601*t+3432906752*(65535&t),t=t<<15|t>>>17,t=4294967295&13715*t+461832192*(65535&t),e^=t),e^=this.len,e^=e>>>16,e=4294967295&51819*e+2246770688*(65535&e),e^=e>>>13,e=4294967295&44597*e+3266445312*(65535&e),e^=e>>>16,e>>>0},t.prototype.reset=function(t){return this.h1="number"==typeof t?t:0,this.rem=this.k1=this.len=0,this},e=new t,"undefined"!=typeof module?module.exports=t:this.MurmurHash3=t}(); \ No newline at end of file diff --git a/module/node_modules/imurmurhash/package.json b/module/node_modules/imurmurhash/package.json new file mode 100644 index 000000000..8a93edb55 --- /dev/null +++ b/module/node_modules/imurmurhash/package.json @@ -0,0 +1,40 @@ +{ + "name": "imurmurhash", + "version": "0.1.4", + "description": "An incremental implementation of MurmurHash3", + "homepage": "https://github.com/jensyt/imurmurhash-js", + "main": "imurmurhash.js", + "files": [ + "imurmurhash.js", + "imurmurhash.min.js", + "package.json", + "README.md" + ], + "repository": { + "type": "git", + "url": "https://github.com/jensyt/imurmurhash-js" + }, + "bugs": { + "url": "https://github.com/jensyt/imurmurhash-js/issues" + }, + "keywords": [ + "murmur", + "murmurhash", + "murmurhash3", + "hash", + "incremental" + ], + "author": { + "name": "Jens Taylor", + "email": "jensyt@gmail.com", + "url": "https://github.com/homebrewing" + }, + "license": "MIT", + "dependencies": { + }, + "devDependencies": { + }, + "engines": { + "node": ">=0.8.19" + } +} diff --git a/module/node_modules/is-extglob/LICENSE b/module/node_modules/is-extglob/LICENSE new file mode 100644 index 000000000..842218cf0 --- /dev/null +++ b/module/node_modules/is-extglob/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2014-2016, Jon Schlinkert + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/module/node_modules/is-extglob/README.md b/module/node_modules/is-extglob/README.md new file mode 100644 index 000000000..0416af5c3 --- /dev/null +++ b/module/node_modules/is-extglob/README.md @@ -0,0 +1,107 @@ +# is-extglob [![NPM version](https://img.shields.io/npm/v/is-extglob.svg?style=flat)](https://www.npmjs.com/package/is-extglob) [![NPM downloads](https://img.shields.io/npm/dm/is-extglob.svg?style=flat)](https://npmjs.org/package/is-extglob) [![Build Status](https://img.shields.io/travis/jonschlinkert/is-extglob.svg?style=flat)](https://travis-ci.org/jonschlinkert/is-extglob) + +> Returns true if a string has an extglob. + +## Install + +Install with [npm](https://www.npmjs.com/): + +```sh +$ npm install --save is-extglob +``` + +## Usage + +```js +var isExtglob = require('is-extglob'); +``` + +**True** + +```js +isExtglob('?(abc)'); +isExtglob('@(abc)'); +isExtglob('!(abc)'); +isExtglob('*(abc)'); +isExtglob('+(abc)'); +``` + +**False** + +Escaped extglobs: + +```js +isExtglob('\\?(abc)'); +isExtglob('\\@(abc)'); +isExtglob('\\!(abc)'); +isExtglob('\\*(abc)'); +isExtglob('\\+(abc)'); +``` + +Everything else... + +```js +isExtglob('foo.js'); +isExtglob('!foo.js'); +isExtglob('*.js'); +isExtglob('**/abc.js'); +isExtglob('abc/*.js'); +isExtglob('abc/(aaa|bbb).js'); +isExtglob('abc/[a-z].js'); +isExtglob('abc/{a,b}.js'); +isExtglob('abc/?.js'); +isExtglob('abc.js'); +isExtglob('abc/def/ghi.js'); +``` + +## History + +**v2.0** + +Adds support for escaping. Escaped exglobs no longer return true. + +## About + +### Related projects + +* [has-glob](https://www.npmjs.com/package/has-glob): Returns `true` if an array has a glob pattern. | [homepage](https://github.com/jonschlinkert/has-glob "Returns `true` if an array has a glob pattern.") +* [is-glob](https://www.npmjs.com/package/is-glob): Returns `true` if the given string looks like a glob pattern or an extglob pattern… [more](https://github.com/jonschlinkert/is-glob) | [homepage](https://github.com/jonschlinkert/is-glob "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet") +* [micromatch](https://www.npmjs.com/package/micromatch): Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch. | [homepage](https://github.com/jonschlinkert/micromatch "Glob matching for javascript/node.js. A drop-in replacement and faster alternative to minimatch and multimatch.") + +### Contributing + +Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new). + +### Building docs + +_(This document was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme) (a [verb](https://github.com/verbose/verb) generator), please don't edit the readme directly. Any changes to the readme must be made in [.verb.md](.verb.md).)_ + +To generate the readme and API documentation with [verb](https://github.com/verbose/verb): + +```sh +$ npm install -g verb verb-generate-readme && verb +``` + +### Running tests + +Install dev dependencies: + +```sh +$ npm install -d && npm test +``` + +### Author + +**Jon Schlinkert** + +* [github/jonschlinkert](https://github.com/jonschlinkert) +* [twitter/jonschlinkert](http://twitter.com/jonschlinkert) + +### License + +Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert). +Released under the [MIT license](https://github.com/jonschlinkert/is-extglob/blob/master/LICENSE). + +*** + +_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.1.31, on October 12, 2016._ \ No newline at end of file diff --git a/module/node_modules/is-extglob/index.js b/module/node_modules/is-extglob/index.js new file mode 100644 index 000000000..c1d986fc5 --- /dev/null +++ b/module/node_modules/is-extglob/index.js @@ -0,0 +1,20 @@ +/*! + * is-extglob + * + * Copyright (c) 2014-2016, Jon Schlinkert. + * Licensed under the MIT License. + */ + +module.exports = function isExtglob(str) { + if (typeof str !== 'string' || str === '') { + return false; + } + + var match; + while ((match = /(\\).|([@?!+*]\(.*\))/g.exec(str))) { + if (match[2]) return true; + str = str.slice(match.index + match[0].length); + } + + return false; +}; diff --git a/module/node_modules/is-extglob/package.json b/module/node_modules/is-extglob/package.json new file mode 100644 index 000000000..7a908369d --- /dev/null +++ b/module/node_modules/is-extglob/package.json @@ -0,0 +1,69 @@ +{ + "name": "is-extglob", + "description": "Returns true if a string has an extglob.", + "version": "2.1.1", + "homepage": "https://github.com/jonschlinkert/is-extglob", + "author": "Jon Schlinkert (https://github.com/jonschlinkert)", + "repository": "jonschlinkert/is-extglob", + "bugs": { + "url": "https://github.com/jonschlinkert/is-extglob/issues" + }, + "license": "MIT", + "files": [ + "index.js" + ], + "main": "index.js", + "engines": { + "node": ">=0.10.0" + }, + "scripts": { + "test": "mocha" + }, + "devDependencies": { + "gulp-format-md": "^0.1.10", + "mocha": "^3.0.2" + }, + "keywords": [ + "bash", + "braces", + "check", + "exec", + "expression", + "extglob", + "glob", + "globbing", + "globstar", + "is", + "match", + "matches", + "pattern", + "regex", + "regular", + "string", + "test" + ], + "verb": { + "toc": false, + "layout": "default", + "tasks": [ + "readme" + ], + "plugins": [ + "gulp-format-md" + ], + "related": { + "list": [ + "has-glob", + "is-glob", + "micromatch" + ] + }, + "reflinks": [ + "verb", + "verb-generate-readme" + ], + "lint": { + "reflinks": true + } + } +} diff --git a/module/node_modules/is-glob/LICENSE b/module/node_modules/is-glob/LICENSE new file mode 100644 index 000000000..3f2eca18f --- /dev/null +++ b/module/node_modules/is-glob/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2014-2017, Jon Schlinkert. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/module/node_modules/is-glob/README.md b/module/node_modules/is-glob/README.md new file mode 100644 index 000000000..740724b27 --- /dev/null +++ b/module/node_modules/is-glob/README.md @@ -0,0 +1,206 @@ +# is-glob [![NPM version](https://img.shields.io/npm/v/is-glob.svg?style=flat)](https://www.npmjs.com/package/is-glob) [![NPM monthly downloads](https://img.shields.io/npm/dm/is-glob.svg?style=flat)](https://npmjs.org/package/is-glob) [![NPM total downloads](https://img.shields.io/npm/dt/is-glob.svg?style=flat)](https://npmjs.org/package/is-glob) [![Build Status](https://img.shields.io/github/workflow/status/micromatch/is-glob/dev)](https://github.com/micromatch/is-glob/actions) + +> Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a better user experience. + +Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support. + +## Install + +Install with [npm](https://www.npmjs.com/): + +```sh +$ npm install --save is-glob +``` + +You might also be interested in [is-valid-glob](https://github.com/jonschlinkert/is-valid-glob) and [has-glob](https://github.com/jonschlinkert/has-glob). + +## Usage + +```js +var isGlob = require('is-glob'); +``` + +### Default behavior + +**True** + +Patterns that have glob characters or regex patterns will return `true`: + +```js +isGlob('!foo.js'); +isGlob('*.js'); +isGlob('**/abc.js'); +isGlob('abc/*.js'); +isGlob('abc/(aaa|bbb).js'); +isGlob('abc/[a-z].js'); +isGlob('abc/{a,b}.js'); +//=> true +``` + +Extglobs + +```js +isGlob('abc/@(a).js'); +isGlob('abc/!(a).js'); +isGlob('abc/+(a).js'); +isGlob('abc/*(a).js'); +isGlob('abc/?(a).js'); +//=> true +``` + +**False** + +Escaped globs or extglobs return `false`: + +```js +isGlob('abc/\\@(a).js'); +isGlob('abc/\\!(a).js'); +isGlob('abc/\\+(a).js'); +isGlob('abc/\\*(a).js'); +isGlob('abc/\\?(a).js'); +isGlob('\\!foo.js'); +isGlob('\\*.js'); +isGlob('\\*\\*/abc.js'); +isGlob('abc/\\*.js'); +isGlob('abc/\\(aaa|bbb).js'); +isGlob('abc/\\[a-z].js'); +isGlob('abc/\\{a,b}.js'); +//=> false +``` + +Patterns that do not have glob patterns return `false`: + +```js +isGlob('abc.js'); +isGlob('abc/def/ghi.js'); +isGlob('foo.js'); +isGlob('abc/@.js'); +isGlob('abc/+.js'); +isGlob('abc/?.js'); +isGlob(); +isGlob(null); +//=> false +``` + +Arrays are also `false` (If you want to check if an array has a glob pattern, use [has-glob](https://github.com/jonschlinkert/has-glob)): + +```js +isGlob(['**/*.js']); +isGlob(['foo.js']); +//=> false +``` + +### Option strict + +When `options.strict === false` the behavior is less strict in determining if a pattern is a glob. Meaning that +some patterns that would return `false` may return `true`. This is done so that matching libraries like [micromatch](https://github.com/micromatch/micromatch) have a chance at determining if the pattern is a glob or not. + +**True** + +Patterns that have glob characters or regex patterns will return `true`: + +```js +isGlob('!foo.js', {strict: false}); +isGlob('*.js', {strict: false}); +isGlob('**/abc.js', {strict: false}); +isGlob('abc/*.js', {strict: false}); +isGlob('abc/(aaa|bbb).js', {strict: false}); +isGlob('abc/[a-z].js', {strict: false}); +isGlob('abc/{a,b}.js', {strict: false}); +//=> true +``` + +Extglobs + +```js +isGlob('abc/@(a).js', {strict: false}); +isGlob('abc/!(a).js', {strict: false}); +isGlob('abc/+(a).js', {strict: false}); +isGlob('abc/*(a).js', {strict: false}); +isGlob('abc/?(a).js', {strict: false}); +//=> true +``` + +**False** + +Escaped globs or extglobs return `false`: + +```js +isGlob('\\!foo.js', {strict: false}); +isGlob('\\*.js', {strict: false}); +isGlob('\\*\\*/abc.js', {strict: false}); +isGlob('abc/\\*.js', {strict: false}); +isGlob('abc/\\(aaa|bbb).js', {strict: false}); +isGlob('abc/\\[a-z].js', {strict: false}); +isGlob('abc/\\{a,b}.js', {strict: false}); +//=> false +``` + +## About + +
+Contributing + +Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new). + +
+ +
+Running Tests + +Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command: + +```sh +$ npm install && npm test +``` + +
+ +
+Building docs + +_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_ + +To generate the readme, run the following command: + +```sh +$ npm install -g verbose/verb#dev verb-generate-readme && verb +``` + +
+ +### Related projects + +You might also be interested in these projects: + +* [assemble](https://www.npmjs.com/package/assemble): Get the rocks out of your socks! Assemble makes you fast at creating web projects… [more](https://github.com/assemble/assemble) | [homepage](https://github.com/assemble/assemble "Get the rocks out of your socks! Assemble makes you fast at creating web projects. Assemble is used by thousands of projects for rapid prototyping, creating themes, scaffolds, boilerplates, e-books, UI components, API documentation, blogs, building websit") +* [base](https://www.npmjs.com/package/base): Framework for rapidly creating high quality, server-side node.js applications, using plugins like building blocks | [homepage](https://github.com/node-base/base "Framework for rapidly creating high quality, server-side node.js applications, using plugins like building blocks") +* [update](https://www.npmjs.com/package/update): Be scalable! Update is a new, open source developer framework and CLI for automating updates… [more](https://github.com/update/update) | [homepage](https://github.com/update/update "Be scalable! Update is a new, open source developer framework and CLI for automating updates of any kind in code projects.") +* [verb](https://www.npmjs.com/package/verb): Documentation generator for GitHub projects. Verb is extremely powerful, easy to use, and is used… [more](https://github.com/verbose/verb) | [homepage](https://github.com/verbose/verb "Documentation generator for GitHub projects. Verb is extremely powerful, easy to use, and is used on hundreds of projects of all sizes to generate everything from API docs to readmes.") + +### Contributors + +| **Commits** | **Contributor** | +| --- | --- | +| 47 | [jonschlinkert](https://github.com/jonschlinkert) | +| 5 | [doowb](https://github.com/doowb) | +| 1 | [phated](https://github.com/phated) | +| 1 | [danhper](https://github.com/danhper) | +| 1 | [paulmillr](https://github.com/paulmillr) | + +### Author + +**Jon Schlinkert** + +* [GitHub Profile](https://github.com/jonschlinkert) +* [Twitter Profile](https://twitter.com/jonschlinkert) +* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert) + +### License + +Copyright © 2019, [Jon Schlinkert](https://github.com/jonschlinkert). +Released under the [MIT License](LICENSE). + +*** + +_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.8.0, on March 27, 2019._ \ No newline at end of file diff --git a/module/node_modules/is-glob/index.js b/module/node_modules/is-glob/index.js new file mode 100644 index 000000000..620f563ec --- /dev/null +++ b/module/node_modules/is-glob/index.js @@ -0,0 +1,150 @@ +/*! + * is-glob + * + * Copyright (c) 2014-2017, Jon Schlinkert. + * Released under the MIT License. + */ + +var isExtglob = require('is-extglob'); +var chars = { '{': '}', '(': ')', '[': ']'}; +var strictCheck = function(str) { + if (str[0] === '!') { + return true; + } + var index = 0; + var pipeIndex = -2; + var closeSquareIndex = -2; + var closeCurlyIndex = -2; + var closeParenIndex = -2; + var backSlashIndex = -2; + while (index < str.length) { + if (str[index] === '*') { + return true; + } + + if (str[index + 1] === '?' && /[\].+)]/.test(str[index])) { + return true; + } + + if (closeSquareIndex !== -1 && str[index] === '[' && str[index + 1] !== ']') { + if (closeSquareIndex < index) { + closeSquareIndex = str.indexOf(']', index); + } + if (closeSquareIndex > index) { + if (backSlashIndex === -1 || backSlashIndex > closeSquareIndex) { + return true; + } + backSlashIndex = str.indexOf('\\', index); + if (backSlashIndex === -1 || backSlashIndex > closeSquareIndex) { + return true; + } + } + } + + if (closeCurlyIndex !== -1 && str[index] === '{' && str[index + 1] !== '}') { + closeCurlyIndex = str.indexOf('}', index); + if (closeCurlyIndex > index) { + backSlashIndex = str.indexOf('\\', index); + if (backSlashIndex === -1 || backSlashIndex > closeCurlyIndex) { + return true; + } + } + } + + if (closeParenIndex !== -1 && str[index] === '(' && str[index + 1] === '?' && /[:!=]/.test(str[index + 2]) && str[index + 3] !== ')') { + closeParenIndex = str.indexOf(')', index); + if (closeParenIndex > index) { + backSlashIndex = str.indexOf('\\', index); + if (backSlashIndex === -1 || backSlashIndex > closeParenIndex) { + return true; + } + } + } + + if (pipeIndex !== -1 && str[index] === '(' && str[index + 1] !== '|') { + if (pipeIndex < index) { + pipeIndex = str.indexOf('|', index); + } + if (pipeIndex !== -1 && str[pipeIndex + 1] !== ')') { + closeParenIndex = str.indexOf(')', pipeIndex); + if (closeParenIndex > pipeIndex) { + backSlashIndex = str.indexOf('\\', pipeIndex); + if (backSlashIndex === -1 || backSlashIndex > closeParenIndex) { + return true; + } + } + } + } + + if (str[index] === '\\') { + var open = str[index + 1]; + index += 2; + var close = chars[open]; + + if (close) { + var n = str.indexOf(close, index); + if (n !== -1) { + index = n + 1; + } + } + + if (str[index] === '!') { + return true; + } + } else { + index++; + } + } + return false; +}; + +var relaxedCheck = function(str) { + if (str[0] === '!') { + return true; + } + var index = 0; + while (index < str.length) { + if (/[*?{}()[\]]/.test(str[index])) { + return true; + } + + if (str[index] === '\\') { + var open = str[index + 1]; + index += 2; + var close = chars[open]; + + if (close) { + var n = str.indexOf(close, index); + if (n !== -1) { + index = n + 1; + } + } + + if (str[index] === '!') { + return true; + } + } else { + index++; + } + } + return false; +}; + +module.exports = function isGlob(str, options) { + if (typeof str !== 'string' || str === '') { + return false; + } + + if (isExtglob(str)) { + return true; + } + + var check = strictCheck; + + // optionally relax check + if (options && options.strict === false) { + check = relaxedCheck; + } + + return check(str); +}; diff --git a/module/node_modules/is-glob/package.json b/module/node_modules/is-glob/package.json new file mode 100644 index 000000000..858af0378 --- /dev/null +++ b/module/node_modules/is-glob/package.json @@ -0,0 +1,81 @@ +{ + "name": "is-glob", + "description": "Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a better user experience.", + "version": "4.0.3", + "homepage": "https://github.com/micromatch/is-glob", + "author": "Jon Schlinkert (https://github.com/jonschlinkert)", + "contributors": [ + "Brian Woodward (https://twitter.com/doowb)", + "Daniel Perez (https://tuvistavie.com)", + "Jon Schlinkert (http://twitter.com/jonschlinkert)" + ], + "repository": "micromatch/is-glob", + "bugs": { + "url": "https://github.com/micromatch/is-glob/issues" + }, + "license": "MIT", + "files": [ + "index.js" + ], + "main": "index.js", + "engines": { + "node": ">=0.10.0" + }, + "scripts": { + "test": "mocha && node benchmark.js" + }, + "dependencies": { + "is-extglob": "^2.1.1" + }, + "devDependencies": { + "gulp-format-md": "^0.1.10", + "mocha": "^3.0.2" + }, + "keywords": [ + "bash", + "braces", + "check", + "exec", + "expression", + "extglob", + "glob", + "globbing", + "globstar", + "is", + "match", + "matches", + "pattern", + "regex", + "regular", + "string", + "test" + ], + "verb": { + "layout": "default", + "plugins": [ + "gulp-format-md" + ], + "related": { + "list": [ + "assemble", + "base", + "update", + "verb" + ] + }, + "reflinks": [ + "assemble", + "bach", + "base", + "composer", + "gulp", + "has-glob", + "is-valid-glob", + "micromatch", + "npm", + "scaffold", + "verb", + "vinyl" + ] + } +} diff --git a/module/node_modules/isexe/.npmignore b/module/node_modules/isexe/.npmignore new file mode 100644 index 000000000..c1cb757ac --- /dev/null +++ b/module/node_modules/isexe/.npmignore @@ -0,0 +1,2 @@ +.nyc_output/ +coverage/ diff --git a/module/node_modules/isexe/LICENSE b/module/node_modules/isexe/LICENSE new file mode 100644 index 000000000..19129e315 --- /dev/null +++ b/module/node_modules/isexe/LICENSE @@ -0,0 +1,15 @@ +The ISC License + +Copyright (c) Isaac Z. Schlueter and Contributors + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR +IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/module/node_modules/isexe/README.md b/module/node_modules/isexe/README.md new file mode 100644 index 000000000..35769e844 --- /dev/null +++ b/module/node_modules/isexe/README.md @@ -0,0 +1,51 @@ +# isexe + +Minimal module to check if a file is executable, and a normal file. + +Uses `fs.stat` and tests against the `PATHEXT` environment variable on +Windows. + +## USAGE + +```javascript +var isexe = require('isexe') +isexe('some-file-name', function (err, isExe) { + if (err) { + console.error('probably file does not exist or something', err) + } else if (isExe) { + console.error('this thing can be run') + } else { + console.error('cannot be run') + } +}) + +// same thing but synchronous, throws errors +var isExe = isexe.sync('some-file-name') + +// treat errors as just "not executable" +isexe('maybe-missing-file', { ignoreErrors: true }, callback) +var isExe = isexe.sync('maybe-missing-file', { ignoreErrors: true }) +``` + +## API + +### `isexe(path, [options], [callback])` + +Check if the path is executable. If no callback provided, and a +global `Promise` object is available, then a Promise will be returned. + +Will raise whatever errors may be raised by `fs.stat`, unless +`options.ignoreErrors` is set to true. + +### `isexe.sync(path, [options])` + +Same as `isexe` but returns the value and throws any errors raised. + +### Options + +* `ignoreErrors` Treat all errors as "no, this is not executable", but + don't raise them. +* `uid` Number to use as the user id +* `gid` Number to use as the group id +* `pathExt` List of path extensions to use instead of `PATHEXT` + environment variable on Windows. diff --git a/module/node_modules/isexe/index.js b/module/node_modules/isexe/index.js new file mode 100644 index 000000000..553fb32b1 --- /dev/null +++ b/module/node_modules/isexe/index.js @@ -0,0 +1,57 @@ +var fs = require('fs') +var core +if (process.platform === 'win32' || global.TESTING_WINDOWS) { + core = require('./windows.js') +} else { + core = require('./mode.js') +} + +module.exports = isexe +isexe.sync = sync + +function isexe (path, options, cb) { + if (typeof options === 'function') { + cb = options + options = {} + } + + if (!cb) { + if (typeof Promise !== 'function') { + throw new TypeError('callback not provided') + } + + return new Promise(function (resolve, reject) { + isexe(path, options || {}, function (er, is) { + if (er) { + reject(er) + } else { + resolve(is) + } + }) + }) + } + + core(path, options || {}, function (er, is) { + // ignore EACCES because that just means we aren't allowed to run it + if (er) { + if (er.code === 'EACCES' || options && options.ignoreErrors) { + er = null + is = false + } + } + cb(er, is) + }) +} + +function sync (path, options) { + // my kingdom for a filtered catch + try { + return core.sync(path, options || {}) + } catch (er) { + if (options && options.ignoreErrors || er.code === 'EACCES') { + return false + } else { + throw er + } + } +} diff --git a/module/node_modules/isexe/mode.js b/module/node_modules/isexe/mode.js new file mode 100644 index 000000000..1995ea4a0 --- /dev/null +++ b/module/node_modules/isexe/mode.js @@ -0,0 +1,41 @@ +module.exports = isexe +isexe.sync = sync + +var fs = require('fs') + +function isexe (path, options, cb) { + fs.stat(path, function (er, stat) { + cb(er, er ? false : checkStat(stat, options)) + }) +} + +function sync (path, options) { + return checkStat(fs.statSync(path), options) +} + +function checkStat (stat, options) { + return stat.isFile() && checkMode(stat, options) +} + +function checkMode (stat, options) { + var mod = stat.mode + var uid = stat.uid + var gid = stat.gid + + var myUid = options.uid !== undefined ? + options.uid : process.getuid && process.getuid() + var myGid = options.gid !== undefined ? + options.gid : process.getgid && process.getgid() + + var u = parseInt('100', 8) + var g = parseInt('010', 8) + var o = parseInt('001', 8) + var ug = u | g + + var ret = (mod & o) || + (mod & g) && gid === myGid || + (mod & u) && uid === myUid || + (mod & ug) && myUid === 0 + + return ret +} diff --git a/module/node_modules/isexe/package.json b/module/node_modules/isexe/package.json new file mode 100644 index 000000000..e45268944 --- /dev/null +++ b/module/node_modules/isexe/package.json @@ -0,0 +1,31 @@ +{ + "name": "isexe", + "version": "2.0.0", + "description": "Minimal module to check if a file is executable.", + "main": "index.js", + "directories": { + "test": "test" + }, + "devDependencies": { + "mkdirp": "^0.5.1", + "rimraf": "^2.5.0", + "tap": "^10.3.0" + }, + "scripts": { + "test": "tap test/*.js --100", + "preversion": "npm test", + "postversion": "npm publish", + "postpublish": "git push origin --all; git push origin --tags" + }, + "author": "Isaac Z. Schlueter (http://blog.izs.me/)", + "license": "ISC", + "repository": { + "type": "git", + "url": "git+https://github.com/isaacs/isexe.git" + }, + "keywords": [], + "bugs": { + "url": "https://github.com/isaacs/isexe/issues" + }, + "homepage": "https://github.com/isaacs/isexe#readme" +} diff --git a/module/node_modules/isexe/test/basic.js b/module/node_modules/isexe/test/basic.js new file mode 100644 index 000000000..d926df64b --- /dev/null +++ b/module/node_modules/isexe/test/basic.js @@ -0,0 +1,221 @@ +var t = require('tap') +var fs = require('fs') +var path = require('path') +var fixture = path.resolve(__dirname, 'fixtures') +var meow = fixture + '/meow.cat' +var mine = fixture + '/mine.cat' +var ours = fixture + '/ours.cat' +var fail = fixture + '/fail.false' +var noent = fixture + '/enoent.exe' +var mkdirp = require('mkdirp') +var rimraf = require('rimraf') + +var isWindows = process.platform === 'win32' +var hasAccess = typeof fs.access === 'function' +var winSkip = isWindows && 'windows' +var accessSkip = !hasAccess && 'no fs.access function' +var hasPromise = typeof Promise === 'function' +var promiseSkip = !hasPromise && 'no global Promise' + +function reset () { + delete require.cache[require.resolve('../')] + return require('../') +} + +t.test('setup fixtures', function (t) { + rimraf.sync(fixture) + mkdirp.sync(fixture) + fs.writeFileSync(meow, '#!/usr/bin/env cat\nmeow\n') + fs.chmodSync(meow, parseInt('0755', 8)) + fs.writeFileSync(fail, '#!/usr/bin/env false\n') + fs.chmodSync(fail, parseInt('0644', 8)) + fs.writeFileSync(mine, '#!/usr/bin/env cat\nmine\n') + fs.chmodSync(mine, parseInt('0744', 8)) + fs.writeFileSync(ours, '#!/usr/bin/env cat\nours\n') + fs.chmodSync(ours, parseInt('0754', 8)) + t.end() +}) + +t.test('promise', { skip: promiseSkip }, function (t) { + var isexe = reset() + t.test('meow async', function (t) { + isexe(meow).then(function (is) { + t.ok(is) + t.end() + }) + }) + t.test('fail async', function (t) { + isexe(fail).then(function (is) { + t.notOk(is) + t.end() + }) + }) + t.test('noent async', function (t) { + isexe(noent).catch(function (er) { + t.ok(er) + t.end() + }) + }) + t.test('noent ignore async', function (t) { + isexe(noent, { ignoreErrors: true }).then(function (is) { + t.notOk(is) + t.end() + }) + }) + t.end() +}) + +t.test('no promise', function (t) { + global.Promise = null + var isexe = reset() + t.throws('try to meow a promise', function () { + isexe(meow) + }) + t.end() +}) + +t.test('access', { skip: accessSkip || winSkip }, function (t) { + runTest(t) +}) + +t.test('mode', { skip: winSkip }, function (t) { + delete fs.access + delete fs.accessSync + var isexe = reset() + t.ok(isexe.sync(ours, { uid: 0, gid: 0 })) + t.ok(isexe.sync(mine, { uid: 0, gid: 0 })) + runTest(t) +}) + +t.test('windows', function (t) { + global.TESTING_WINDOWS = true + var pathExt = '.EXE;.CAT;.CMD;.COM' + t.test('pathExt option', function (t) { + runTest(t, { pathExt: '.EXE;.CAT;.CMD;.COM' }) + }) + t.test('pathExt env', function (t) { + process.env.PATHEXT = pathExt + runTest(t) + }) + t.test('no pathExt', function (t) { + // with a pathExt of '', any filename is fine. + // so the "fail" one would still pass. + runTest(t, { pathExt: '', skipFail: true }) + }) + t.test('pathext with empty entry', function (t) { + // with a pathExt of '', any filename is fine. + // so the "fail" one would still pass. + runTest(t, { pathExt: ';' + pathExt, skipFail: true }) + }) + t.end() +}) + +t.test('cleanup', function (t) { + rimraf.sync(fixture) + t.end() +}) + +function runTest (t, options) { + var isexe = reset() + + var optionsIgnore = Object.create(options || {}) + optionsIgnore.ignoreErrors = true + + if (!options || !options.skipFail) { + t.notOk(isexe.sync(fail, options)) + } + t.notOk(isexe.sync(noent, optionsIgnore)) + if (!options) { + t.ok(isexe.sync(meow)) + } else { + t.ok(isexe.sync(meow, options)) + } + + t.ok(isexe.sync(mine, options)) + t.ok(isexe.sync(ours, options)) + t.throws(function () { + isexe.sync(noent, options) + }) + + t.test('meow async', function (t) { + if (!options) { + isexe(meow, function (er, is) { + if (er) { + throw er + } + t.ok(is) + t.end() + }) + } else { + isexe(meow, options, function (er, is) { + if (er) { + throw er + } + t.ok(is) + t.end() + }) + } + }) + + t.test('mine async', function (t) { + isexe(mine, options, function (er, is) { + if (er) { + throw er + } + t.ok(is) + t.end() + }) + }) + + t.test('ours async', function (t) { + isexe(ours, options, function (er, is) { + if (er) { + throw er + } + t.ok(is) + t.end() + }) + }) + + if (!options || !options.skipFail) { + t.test('fail async', function (t) { + isexe(fail, options, function (er, is) { + if (er) { + throw er + } + t.notOk(is) + t.end() + }) + }) + } + + t.test('noent async', function (t) { + isexe(noent, options, function (er, is) { + t.ok(er) + t.notOk(is) + t.end() + }) + }) + + t.test('noent ignore async', function (t) { + isexe(noent, optionsIgnore, function (er, is) { + if (er) { + throw er + } + t.notOk(is) + t.end() + }) + }) + + t.test('directory is not executable', function (t) { + isexe(__dirname, options, function (er, is) { + if (er) { + throw er + } + t.notOk(is) + t.end() + }) + }) + + t.end() +} diff --git a/module/node_modules/isexe/windows.js b/module/node_modules/isexe/windows.js new file mode 100644 index 000000000..34996734d --- /dev/null +++ b/module/node_modules/isexe/windows.js @@ -0,0 +1,42 @@ +module.exports = isexe +isexe.sync = sync + +var fs = require('fs') + +function checkPathExt (path, options) { + var pathext = options.pathExt !== undefined ? + options.pathExt : process.env.PATHEXT + + if (!pathext) { + return true + } + + pathext = pathext.split(';') + if (pathext.indexOf('') !== -1) { + return true + } + for (var i = 0; i < pathext.length; i++) { + var p = pathext[i].toLowerCase() + if (p && path.substr(-p.length).toLowerCase() === p) { + return true + } + } + return false +} + +function checkStat (stat, path, options) { + if (!stat.isSymbolicLink() && !stat.isFile()) { + return false + } + return checkPathExt(path, options) +} + +function isexe (path, options, cb) { + fs.stat(path, function (er, stat) { + cb(er, er ? false : checkStat(stat, path, options)) + }) +} + +function sync (path, options) { + return checkStat(fs.statSync(path), path, options) +} diff --git a/module/node_modules/js-yaml/LICENSE b/module/node_modules/js-yaml/LICENSE new file mode 100644 index 000000000..09d3a29e9 --- /dev/null +++ b/module/node_modules/js-yaml/LICENSE @@ -0,0 +1,21 @@ +(The MIT License) + +Copyright (C) 2011-2015 by Vitaly Puzrin + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/module/node_modules/js-yaml/README.md b/module/node_modules/js-yaml/README.md new file mode 100644 index 000000000..eeaf531cb --- /dev/null +++ b/module/node_modules/js-yaml/README.md @@ -0,0 +1,247 @@ +JS-YAML - YAML 1.2 parser / writer for JavaScript +================================================= + +[![CI](https://github.com/nodeca/js-yaml/workflows/CI/badge.svg?branch=master)](https://github.com/nodeca/js-yaml/actions) +[![NPM version](https://img.shields.io/npm/v/js-yaml.svg)](https://www.npmjs.org/package/js-yaml) + +__[Online Demo](https://nodeca.github.io/js-yaml/)__ + + +This is an implementation of [YAML](https://yaml.org/), a human-friendly data +serialization language. Started as [PyYAML](https://pyyaml.org/) port, it was +completely rewritten from scratch. Now it's very fast, and supports 1.2 spec. + + +Installation +------------ + +### YAML module for node.js + +``` +npm install js-yaml +``` + + +### CLI executable + +If you want to inspect your YAML files from CLI, install js-yaml globally: + +``` +npm install -g js-yaml +``` + +#### Usage + +``` +usage: js-yaml [-h] [-v] [-c] [-t] file + +Positional arguments: + file File with YAML document(s) + +Optional arguments: + -h, --help Show this help message and exit. + -v, --version Show program's version number and exit. + -c, --compact Display errors in compact mode + -t, --trace Show stack trace on error +``` + + +API +--- + +Here we cover the most 'useful' methods. If you need advanced details (creating +your own tags), see [examples](https://github.com/nodeca/js-yaml/tree/master/examples) +for more info. + +``` javascript +const yaml = require('js-yaml'); +const fs = require('fs'); + +// Get document, or throw exception on error +try { + const doc = yaml.load(fs.readFileSync('/home/ixti/example.yml', 'utf8')); + console.log(doc); +} catch (e) { + console.log(e); +} +``` + + +### load (string [ , options ]) + +Parses `string` as single YAML document. Returns either a +plain object, a string, a number, `null` or `undefined`, or throws `YAMLException` on error. By default, does +not support regexps, functions and undefined. + +options: + +- `filename` _(default: null)_ - string to be used as a file path in + error/warning messages. +- `onWarning` _(default: null)_ - function to call on warning messages. + Loader will call this function with an instance of `YAMLException` for each warning. +- `schema` _(default: `DEFAULT_SCHEMA`)_ - specifies a schema to use. + - `FAILSAFE_SCHEMA` - only strings, arrays and plain objects: + https://www.yaml.org/spec/1.2/spec.html#id2802346 + - `JSON_SCHEMA` - all JSON-supported types: + https://www.yaml.org/spec/1.2/spec.html#id2803231 + - `CORE_SCHEMA` - same as `JSON_SCHEMA`: + https://www.yaml.org/spec/1.2/spec.html#id2804923 + - `DEFAULT_SCHEMA` - all supported YAML types. +- `json` _(default: false)_ - compatibility with JSON.parse behaviour. If true, then duplicate keys in a mapping will override values rather than throwing an error. + +NOTE: This function **does not** understand multi-document sources, it throws +exception on those. + +NOTE: JS-YAML **does not** support schema-specific tag resolution restrictions. +So, the JSON schema is not as strictly defined in the YAML specification. +It allows numbers in any notation, use `Null` and `NULL` as `null`, etc. +The core schema also has no such restrictions. It allows binary notation for integers. + + +### loadAll (string [, iterator] [, options ]) + +Same as `load()`, but understands multi-document sources. Applies +`iterator` to each document if specified, or returns array of documents. + +``` javascript +const yaml = require('js-yaml'); + +yaml.loadAll(data, function (doc) { + console.log(doc); +}); +``` + + +### dump (object [ , options ]) + +Serializes `object` as a YAML document. Uses `DEFAULT_SCHEMA`, so it will +throw an exception if you try to dump regexps or functions. However, you can +disable exceptions by setting the `skipInvalid` option to `true`. + +options: + +- `indent` _(default: 2)_ - indentation width to use (in spaces). +- `noArrayIndent` _(default: false)_ - when true, will not add an indentation level to array elements +- `skipInvalid` _(default: false)_ - do not throw on invalid types (like function + in the safe schema) and skip pairs and single values with such types. +- `flowLevel` _(default: -1)_ - specifies level of nesting, when to switch from + block to flow style for collections. -1 means block style everwhere +- `styles` - "tag" => "style" map. Each tag may have own set of styles. +- `schema` _(default: `DEFAULT_SCHEMA`)_ specifies a schema to use. +- `sortKeys` _(default: `false`)_ - if `true`, sort keys when dumping YAML. If a + function, use the function to sort the keys. +- `lineWidth` _(default: `80`)_ - set max line width. Set `-1` for unlimited width. +- `noRefs` _(default: `false`)_ - if `true`, don't convert duplicate objects into references +- `noCompatMode` _(default: `false`)_ - if `true` don't try to be compatible with older + yaml versions. Currently: don't quote "yes", "no" and so on, as required for YAML 1.1 +- `condenseFlow` _(default: `false`)_ - if `true` flow sequences will be condensed, omitting the space between `a, b`. Eg. `'[a,b]'`, and omitting the space between `key: value` and quoting the key. Eg. `'{"a":b}'` Can be useful when using yaml for pretty URL query params as spaces are %-encoded. +- `quotingType` _(`'` or `"`, default: `'`)_ - strings will be quoted using this quoting style. If you specify single quotes, double quotes will still be used for non-printable characters. +- `forceQuotes` _(default: `false`)_ - if `true`, all non-key strings will be quoted even if they normally don't need to. +- `replacer` - callback `function (key, value)` called recursively on each key/value in source object (see `replacer` docs for `JSON.stringify`). + +The following table show availlable styles (e.g. "canonical", +"binary"...) available for each tag (.e.g. !!null, !!int ...). Yaml +output is shown on the right side after `=>` (default setting) or `->`: + +``` none +!!null + "canonical" -> "~" + "lowercase" => "null" + "uppercase" -> "NULL" + "camelcase" -> "Null" + "empty" -> "" + +!!int + "binary" -> "0b1", "0b101010", "0b1110001111010" + "octal" -> "0o1", "0o52", "0o16172" + "decimal" => "1", "42", "7290" + "hexadecimal" -> "0x1", "0x2A", "0x1C7A" + +!!bool + "lowercase" => "true", "false" + "uppercase" -> "TRUE", "FALSE" + "camelcase" -> "True", "False" + +!!float + "lowercase" => ".nan", '.inf' + "uppercase" -> ".NAN", '.INF' + "camelcase" -> ".NaN", '.Inf' +``` + +Example: + +``` javascript +dump(object, { + 'styles': { + '!!null': 'canonical' // dump null as ~ + }, + 'sortKeys': true // sort object keys +}); +``` + +Supported YAML types +-------------------- + +The list of standard YAML tags and corresponding JavaScript types. See also +[YAML tag discussion](https://pyyaml.org/wiki/YAMLTagDiscussion) and +[YAML types repository](https://yaml.org/type/). + +``` +!!null '' # null +!!bool 'yes' # bool +!!int '3...' # number +!!float '3.14...' # number +!!binary '...base64...' # buffer +!!timestamp 'YYYY-...' # date +!!omap [ ... ] # array of key-value pairs +!!pairs [ ... ] # array or array pairs +!!set { ... } # array of objects with given keys and null values +!!str '...' # string +!!seq [ ... ] # array +!!map { ... } # object +``` + +**JavaScript-specific tags** + +See [js-yaml-js-types](https://github.com/nodeca/js-yaml-js-types) for +extra types. + + +Caveats +------- + +Note, that you use arrays or objects as key in JS-YAML. JS does not allow objects +or arrays as keys, and stringifies (by calling `toString()` method) them at the +moment of adding them. + +``` yaml +--- +? [ foo, bar ] +: - baz +? { foo: bar } +: - baz + - baz +``` + +``` javascript +{ "foo,bar": ["baz"], "[object Object]": ["baz", "baz"] } +``` + +Also, reading of properties on implicit block mapping keys is not supported yet. +So, the following YAML document cannot be loaded. + +``` yaml +&anchor foo: + foo: bar + *anchor: duplicate key + baz: bat + *anchor: duplicate key +``` + + +js-yaml for enterprise +---------------------- + +Available as part of the Tidelift Subscription + +The maintainers of js-yaml and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-js-yaml?utm_source=npm-js-yaml&utm_medium=referral&utm_campaign=enterprise&utm_term=repo) diff --git a/module/node_modules/js-yaml/bin/js-yaml.js b/module/node_modules/js-yaml/bin/js-yaml.js new file mode 100644 index 000000000..a182f1afb --- /dev/null +++ b/module/node_modules/js-yaml/bin/js-yaml.js @@ -0,0 +1,126 @@ +#!/usr/bin/env node + + +'use strict'; + +/*eslint-disable no-console*/ + + +var fs = require('fs'); +var argparse = require('argparse'); +var yaml = require('..'); + + +//////////////////////////////////////////////////////////////////////////////// + + +var cli = new argparse.ArgumentParser({ + prog: 'js-yaml', + add_help: true +}); + +cli.add_argument('-v', '--version', { + action: 'version', + version: require('../package.json').version +}); + +cli.add_argument('-c', '--compact', { + help: 'Display errors in compact mode', + action: 'store_true' +}); + +// deprecated (not needed after we removed output colors) +// option suppressed, but not completely removed for compatibility +cli.add_argument('-j', '--to-json', { + help: argparse.SUPPRESS, + dest: 'json', + action: 'store_true' +}); + +cli.add_argument('-t', '--trace', { + help: 'Show stack trace on error', + action: 'store_true' +}); + +cli.add_argument('file', { + help: 'File to read, utf-8 encoded without BOM', + nargs: '?', + default: '-' +}); + + +//////////////////////////////////////////////////////////////////////////////// + + +var options = cli.parse_args(); + + +//////////////////////////////////////////////////////////////////////////////// + +function readFile(filename, encoding, callback) { + if (options.file === '-') { + // read from stdin + + var chunks = []; + + process.stdin.on('data', function (chunk) { + chunks.push(chunk); + }); + + process.stdin.on('end', function () { + return callback(null, Buffer.concat(chunks).toString(encoding)); + }); + } else { + fs.readFile(filename, encoding, callback); + } +} + +readFile(options.file, 'utf8', function (error, input) { + var output, isYaml; + + if (error) { + if (error.code === 'ENOENT') { + console.error('File not found: ' + options.file); + process.exit(2); + } + + console.error( + options.trace && error.stack || + error.message || + String(error)); + + process.exit(1); + } + + try { + output = JSON.parse(input); + isYaml = false; + } catch (err) { + if (err instanceof SyntaxError) { + try { + output = []; + yaml.loadAll(input, function (doc) { output.push(doc); }, {}); + isYaml = true; + + if (output.length === 0) output = null; + else if (output.length === 1) output = output[0]; + + } catch (e) { + if (options.trace && err.stack) console.error(e.stack); + else console.error(e.toString(options.compact)); + + process.exit(1); + } + } else { + console.error( + options.trace && err.stack || + err.message || + String(err)); + + process.exit(1); + } + } + + if (isYaml) console.log(JSON.stringify(output, null, ' ')); + else console.log(yaml.dump(output)); +}); diff --git a/module/node_modules/js-yaml/dist/js-yaml.js b/module/node_modules/js-yaml/dist/js-yaml.js new file mode 100644 index 000000000..21c52ecaf --- /dev/null +++ b/module/node_modules/js-yaml/dist/js-yaml.js @@ -0,0 +1,3880 @@ + +/*! js-yaml 4.1.1 https://github.com/nodeca/js-yaml @license MIT */ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.jsyaml = {})); +})(this, (function (exports) { 'use strict'; + + function isNothing(subject) { + return (typeof subject === 'undefined') || (subject === null); + } + + + function isObject(subject) { + return (typeof subject === 'object') && (subject !== null); + } + + + function toArray(sequence) { + if (Array.isArray(sequence)) return sequence; + else if (isNothing(sequence)) return []; + + return [ sequence ]; + } + + + function extend(target, source) { + var index, length, key, sourceKeys; + + if (source) { + sourceKeys = Object.keys(source); + + for (index = 0, length = sourceKeys.length; index < length; index += 1) { + key = sourceKeys[index]; + target[key] = source[key]; + } + } + + return target; + } + + + function repeat(string, count) { + var result = '', cycle; + + for (cycle = 0; cycle < count; cycle += 1) { + result += string; + } + + return result; + } + + + function isNegativeZero(number) { + return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number); + } + + + var isNothing_1 = isNothing; + var isObject_1 = isObject; + var toArray_1 = toArray; + var repeat_1 = repeat; + var isNegativeZero_1 = isNegativeZero; + var extend_1 = extend; + + var common = { + isNothing: isNothing_1, + isObject: isObject_1, + toArray: toArray_1, + repeat: repeat_1, + isNegativeZero: isNegativeZero_1, + extend: extend_1 + }; + + // YAML error class. http://stackoverflow.com/questions/8458984 + + + function formatError(exception, compact) { + var where = '', message = exception.reason || '(unknown reason)'; + + if (!exception.mark) return message; + + if (exception.mark.name) { + where += 'in "' + exception.mark.name + '" '; + } + + where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')'; + + if (!compact && exception.mark.snippet) { + where += '\n\n' + exception.mark.snippet; + } + + return message + ' ' + where; + } + + + function YAMLException$1(reason, mark) { + // Super constructor + Error.call(this); + + this.name = 'YAMLException'; + this.reason = reason; + this.mark = mark; + this.message = formatError(this, false); + + // Include stack trace in error object + if (Error.captureStackTrace) { + // Chrome and NodeJS + Error.captureStackTrace(this, this.constructor); + } else { + // FF, IE 10+ and Safari 6+. Fallback for others + this.stack = (new Error()).stack || ''; + } + } + + + // Inherit from Error + YAMLException$1.prototype = Object.create(Error.prototype); + YAMLException$1.prototype.constructor = YAMLException$1; + + + YAMLException$1.prototype.toString = function toString(compact) { + return this.name + ': ' + formatError(this, compact); + }; + + + var exception = YAMLException$1; + + // get snippet for a single line, respecting maxLength + function getLine(buffer, lineStart, lineEnd, position, maxLineLength) { + var head = ''; + var tail = ''; + var maxHalfLength = Math.floor(maxLineLength / 2) - 1; + + if (position - lineStart > maxHalfLength) { + head = ' ... '; + lineStart = position - maxHalfLength + head.length; + } + + if (lineEnd - position > maxHalfLength) { + tail = ' ...'; + lineEnd = position + maxHalfLength - tail.length; + } + + return { + str: head + buffer.slice(lineStart, lineEnd).replace(/\t/g, '→') + tail, + pos: position - lineStart + head.length // relative position + }; + } + + + function padStart(string, max) { + return common.repeat(' ', max - string.length) + string; + } + + + function makeSnippet(mark, options) { + options = Object.create(options || null); + + if (!mark.buffer) return null; + + if (!options.maxLength) options.maxLength = 79; + if (typeof options.indent !== 'number') options.indent = 1; + if (typeof options.linesBefore !== 'number') options.linesBefore = 3; + if (typeof options.linesAfter !== 'number') options.linesAfter = 2; + + var re = /\r?\n|\r|\0/g; + var lineStarts = [ 0 ]; + var lineEnds = []; + var match; + var foundLineNo = -1; + + while ((match = re.exec(mark.buffer))) { + lineEnds.push(match.index); + lineStarts.push(match.index + match[0].length); + + if (mark.position <= match.index && foundLineNo < 0) { + foundLineNo = lineStarts.length - 2; + } + } + + if (foundLineNo < 0) foundLineNo = lineStarts.length - 1; + + var result = '', i, line; + var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length; + var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3); + + for (i = 1; i <= options.linesBefore; i++) { + if (foundLineNo - i < 0) break; + line = getLine( + mark.buffer, + lineStarts[foundLineNo - i], + lineEnds[foundLineNo - i], + mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]), + maxLineLength + ); + result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n' + result; + } + + line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength); + result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n'; + result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\n'; + + for (i = 1; i <= options.linesAfter; i++) { + if (foundLineNo + i >= lineEnds.length) break; + line = getLine( + mark.buffer, + lineStarts[foundLineNo + i], + lineEnds[foundLineNo + i], + mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]), + maxLineLength + ); + result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n'; + } + + return result.replace(/\n$/, ''); + } + + + var snippet = makeSnippet; + + var TYPE_CONSTRUCTOR_OPTIONS = [ + 'kind', + 'multi', + 'resolve', + 'construct', + 'instanceOf', + 'predicate', + 'represent', + 'representName', + 'defaultStyle', + 'styleAliases' + ]; + + var YAML_NODE_KINDS = [ + 'scalar', + 'sequence', + 'mapping' + ]; + + function compileStyleAliases(map) { + var result = {}; + + if (map !== null) { + Object.keys(map).forEach(function (style) { + map[style].forEach(function (alias) { + result[String(alias)] = style; + }); + }); + } + + return result; + } + + function Type$1(tag, options) { + options = options || {}; + + Object.keys(options).forEach(function (name) { + if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) { + throw new exception('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.'); + } + }); + + // TODO: Add tag format check. + this.options = options; // keep original options in case user wants to extend this type later + this.tag = tag; + this.kind = options['kind'] || null; + this.resolve = options['resolve'] || function () { return true; }; + this.construct = options['construct'] || function (data) { return data; }; + this.instanceOf = options['instanceOf'] || null; + this.predicate = options['predicate'] || null; + this.represent = options['represent'] || null; + this.representName = options['representName'] || null; + this.defaultStyle = options['defaultStyle'] || null; + this.multi = options['multi'] || false; + this.styleAliases = compileStyleAliases(options['styleAliases'] || null); + + if (YAML_NODE_KINDS.indexOf(this.kind) === -1) { + throw new exception('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.'); + } + } + + var type = Type$1; + + /*eslint-disable max-len*/ + + + + + + function compileList(schema, name) { + var result = []; + + schema[name].forEach(function (currentType) { + var newIndex = result.length; + + result.forEach(function (previousType, previousIndex) { + if (previousType.tag === currentType.tag && + previousType.kind === currentType.kind && + previousType.multi === currentType.multi) { + + newIndex = previousIndex; + } + }); + + result[newIndex] = currentType; + }); + + return result; + } + + + function compileMap(/* lists... */) { + var result = { + scalar: {}, + sequence: {}, + mapping: {}, + fallback: {}, + multi: { + scalar: [], + sequence: [], + mapping: [], + fallback: [] + } + }, index, length; + + function collectType(type) { + if (type.multi) { + result.multi[type.kind].push(type); + result.multi['fallback'].push(type); + } else { + result[type.kind][type.tag] = result['fallback'][type.tag] = type; + } + } + + for (index = 0, length = arguments.length; index < length; index += 1) { + arguments[index].forEach(collectType); + } + return result; + } + + + function Schema$1(definition) { + return this.extend(definition); + } + + + Schema$1.prototype.extend = function extend(definition) { + var implicit = []; + var explicit = []; + + if (definition instanceof type) { + // Schema.extend(type) + explicit.push(definition); + + } else if (Array.isArray(definition)) { + // Schema.extend([ type1, type2, ... ]) + explicit = explicit.concat(definition); + + } else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) { + // Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] }) + if (definition.implicit) implicit = implicit.concat(definition.implicit); + if (definition.explicit) explicit = explicit.concat(definition.explicit); + + } else { + throw new exception('Schema.extend argument should be a Type, [ Type ], ' + + 'or a schema definition ({ implicit: [...], explicit: [...] })'); + } + + implicit.forEach(function (type$1) { + if (!(type$1 instanceof type)) { + throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + + if (type$1.loadKind && type$1.loadKind !== 'scalar') { + throw new exception('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.'); + } + + if (type$1.multi) { + throw new exception('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.'); + } + }); + + explicit.forEach(function (type$1) { + if (!(type$1 instanceof type)) { + throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + }); + + var result = Object.create(Schema$1.prototype); + + result.implicit = (this.implicit || []).concat(implicit); + result.explicit = (this.explicit || []).concat(explicit); + + result.compiledImplicit = compileList(result, 'implicit'); + result.compiledExplicit = compileList(result, 'explicit'); + result.compiledTypeMap = compileMap(result.compiledImplicit, result.compiledExplicit); + + return result; + }; + + + var schema = Schema$1; + + var str = new type('tag:yaml.org,2002:str', { + kind: 'scalar', + construct: function (data) { return data !== null ? data : ''; } + }); + + var seq = new type('tag:yaml.org,2002:seq', { + kind: 'sequence', + construct: function (data) { return data !== null ? data : []; } + }); + + var map = new type('tag:yaml.org,2002:map', { + kind: 'mapping', + construct: function (data) { return data !== null ? data : {}; } + }); + + var failsafe = new schema({ + explicit: [ + str, + seq, + map + ] + }); + + function resolveYamlNull(data) { + if (data === null) return true; + + var max = data.length; + + return (max === 1 && data === '~') || + (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL')); + } + + function constructYamlNull() { + return null; + } + + function isNull(object) { + return object === null; + } + + var _null = new type('tag:yaml.org,2002:null', { + kind: 'scalar', + resolve: resolveYamlNull, + construct: constructYamlNull, + predicate: isNull, + represent: { + canonical: function () { return '~'; }, + lowercase: function () { return 'null'; }, + uppercase: function () { return 'NULL'; }, + camelcase: function () { return 'Null'; }, + empty: function () { return ''; } + }, + defaultStyle: 'lowercase' + }); + + function resolveYamlBoolean(data) { + if (data === null) return false; + + var max = data.length; + + return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) || + (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE')); + } + + function constructYamlBoolean(data) { + return data === 'true' || + data === 'True' || + data === 'TRUE'; + } + + function isBoolean(object) { + return Object.prototype.toString.call(object) === '[object Boolean]'; + } + + var bool = new type('tag:yaml.org,2002:bool', { + kind: 'scalar', + resolve: resolveYamlBoolean, + construct: constructYamlBoolean, + predicate: isBoolean, + represent: { + lowercase: function (object) { return object ? 'true' : 'false'; }, + uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; }, + camelcase: function (object) { return object ? 'True' : 'False'; } + }, + defaultStyle: 'lowercase' + }); + + function isHexCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) || + ((0x41/* A */ <= c) && (c <= 0x46/* F */)) || + ((0x61/* a */ <= c) && (c <= 0x66/* f */)); + } + + function isOctCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */)); + } + + function isDecCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)); + } + + function resolveYamlInteger(data) { + if (data === null) return false; + + var max = data.length, + index = 0, + hasDigits = false, + ch; + + if (!max) return false; + + ch = data[index]; + + // sign + if (ch === '-' || ch === '+') { + ch = data[++index]; + } + + if (ch === '0') { + // 0 + if (index + 1 === max) return true; + ch = data[++index]; + + // base 2, base 8, base 16 + + if (ch === 'b') { + // base 2 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (ch !== '0' && ch !== '1') return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'x') { + // base 16 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isHexCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'o') { + // base 8 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isOctCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + } + + // base 10 (except 0) + + // value should not start with `_`; + if (ch === '_') return false; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isDecCode(data.charCodeAt(index))) { + return false; + } + hasDigits = true; + } + + // Should have digits and should not end with `_` + if (!hasDigits || ch === '_') return false; + + return true; + } + + function constructYamlInteger(data) { + var value = data, sign = 1, ch; + + if (value.indexOf('_') !== -1) { + value = value.replace(/_/g, ''); + } + + ch = value[0]; + + if (ch === '-' || ch === '+') { + if (ch === '-') sign = -1; + value = value.slice(1); + ch = value[0]; + } + + if (value === '0') return 0; + + if (ch === '0') { + if (value[1] === 'b') return sign * parseInt(value.slice(2), 2); + if (value[1] === 'x') return sign * parseInt(value.slice(2), 16); + if (value[1] === 'o') return sign * parseInt(value.slice(2), 8); + } + + return sign * parseInt(value, 10); + } + + function isInteger(object) { + return (Object.prototype.toString.call(object)) === '[object Number]' && + (object % 1 === 0 && !common.isNegativeZero(object)); + } + + var int = new type('tag:yaml.org,2002:int', { + kind: 'scalar', + resolve: resolveYamlInteger, + construct: constructYamlInteger, + predicate: isInteger, + represent: { + binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); }, + octal: function (obj) { return obj >= 0 ? '0o' + obj.toString(8) : '-0o' + obj.toString(8).slice(1); }, + decimal: function (obj) { return obj.toString(10); }, + /* eslint-disable max-len */ + hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); } + }, + defaultStyle: 'decimal', + styleAliases: { + binary: [ 2, 'bin' ], + octal: [ 8, 'oct' ], + decimal: [ 10, 'dec' ], + hexadecimal: [ 16, 'hex' ] + } + }); + + var YAML_FLOAT_PATTERN = new RegExp( + // 2.5e4, 2.5 and integers + '^(?:[-+]?(?:[0-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' + + // .2e4, .2 + // special case, seems not from spec + '|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' + + // .inf + '|[-+]?\\.(?:inf|Inf|INF)' + + // .nan + '|\\.(?:nan|NaN|NAN))$'); + + function resolveYamlFloat(data) { + if (data === null) return false; + + if (!YAML_FLOAT_PATTERN.test(data) || + // Quick hack to not allow integers end with `_` + // Probably should update regexp & check speed + data[data.length - 1] === '_') { + return false; + } + + return true; + } + + function constructYamlFloat(data) { + var value, sign; + + value = data.replace(/_/g, '').toLowerCase(); + sign = value[0] === '-' ? -1 : 1; + + if ('+-'.indexOf(value[0]) >= 0) { + value = value.slice(1); + } + + if (value === '.inf') { + return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY; + + } else if (value === '.nan') { + return NaN; + } + return sign * parseFloat(value, 10); + } + + + var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/; + + function representYamlFloat(object, style) { + var res; + + if (isNaN(object)) { + switch (style) { + case 'lowercase': return '.nan'; + case 'uppercase': return '.NAN'; + case 'camelcase': return '.NaN'; + } + } else if (Number.POSITIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '.inf'; + case 'uppercase': return '.INF'; + case 'camelcase': return '.Inf'; + } + } else if (Number.NEGATIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '-.inf'; + case 'uppercase': return '-.INF'; + case 'camelcase': return '-.Inf'; + } + } else if (common.isNegativeZero(object)) { + return '-0.0'; + } + + res = object.toString(10); + + // JS stringifier can build scientific format without dots: 5e-100, + // while YAML requres dot: 5.e-100. Fix it with simple hack + + return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res; + } + + function isFloat(object) { + return (Object.prototype.toString.call(object) === '[object Number]') && + (object % 1 !== 0 || common.isNegativeZero(object)); + } + + var float = new type('tag:yaml.org,2002:float', { + kind: 'scalar', + resolve: resolveYamlFloat, + construct: constructYamlFloat, + predicate: isFloat, + represent: representYamlFloat, + defaultStyle: 'lowercase' + }); + + var json = failsafe.extend({ + implicit: [ + _null, + bool, + int, + float + ] + }); + + var core = json; + + var YAML_DATE_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9])' + // [2] month + '-([0-9][0-9])$'); // [3] day + + var YAML_TIMESTAMP_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9]?)' + // [2] month + '-([0-9][0-9]?)' + // [3] day + '(?:[Tt]|[ \\t]+)' + // ... + '([0-9][0-9]?)' + // [4] hour + ':([0-9][0-9])' + // [5] minute + ':([0-9][0-9])' + // [6] second + '(?:\\.([0-9]*))?' + // [7] fraction + '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour + '(?::([0-9][0-9]))?))?$'); // [11] tz_minute + + function resolveYamlTimestamp(data) { + if (data === null) return false; + if (YAML_DATE_REGEXP.exec(data) !== null) return true; + if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true; + return false; + } + + function constructYamlTimestamp(data) { + var match, year, month, day, hour, minute, second, fraction = 0, + delta = null, tz_hour, tz_minute, date; + + match = YAML_DATE_REGEXP.exec(data); + if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data); + + if (match === null) throw new Error('Date resolve error'); + + // match: [1] year [2] month [3] day + + year = +(match[1]); + month = +(match[2]) - 1; // JS month starts with 0 + day = +(match[3]); + + if (!match[4]) { // no hour + return new Date(Date.UTC(year, month, day)); + } + + // match: [4] hour [5] minute [6] second [7] fraction + + hour = +(match[4]); + minute = +(match[5]); + second = +(match[6]); + + if (match[7]) { + fraction = match[7].slice(0, 3); + while (fraction.length < 3) { // milli-seconds + fraction += '0'; + } + fraction = +fraction; + } + + // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute + + if (match[9]) { + tz_hour = +(match[10]); + tz_minute = +(match[11] || 0); + delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds + if (match[9] === '-') delta = -delta; + } + + date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction)); + + if (delta) date.setTime(date.getTime() - delta); + + return date; + } + + function representYamlTimestamp(object /*, style*/) { + return object.toISOString(); + } + + var timestamp = new type('tag:yaml.org,2002:timestamp', { + kind: 'scalar', + resolve: resolveYamlTimestamp, + construct: constructYamlTimestamp, + instanceOf: Date, + represent: representYamlTimestamp + }); + + function resolveYamlMerge(data) { + return data === '<<' || data === null; + } + + var merge = new type('tag:yaml.org,2002:merge', { + kind: 'scalar', + resolve: resolveYamlMerge + }); + + /*eslint-disable no-bitwise*/ + + + + + + // [ 64, 65, 66 ] -> [ padding, CR, LF ] + var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r'; + + + function resolveYamlBinary(data) { + if (data === null) return false; + + var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP; + + // Convert one by one. + for (idx = 0; idx < max; idx++) { + code = map.indexOf(data.charAt(idx)); + + // Skip CR/LF + if (code > 64) continue; + + // Fail on illegal characters + if (code < 0) return false; + + bitlen += 6; + } + + // If there are any bits left, source was corrupted + return (bitlen % 8) === 0; + } + + function constructYamlBinary(data) { + var idx, tailbits, + input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan + max = input.length, + map = BASE64_MAP, + bits = 0, + result = []; + + // Collect by 6*4 bits (3 bytes) + + for (idx = 0; idx < max; idx++) { + if ((idx % 4 === 0) && idx) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } + + bits = (bits << 6) | map.indexOf(input.charAt(idx)); + } + + // Dump tail + + tailbits = (max % 4) * 6; + + if (tailbits === 0) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } else if (tailbits === 18) { + result.push((bits >> 10) & 0xFF); + result.push((bits >> 2) & 0xFF); + } else if (tailbits === 12) { + result.push((bits >> 4) & 0xFF); + } + + return new Uint8Array(result); + } + + function representYamlBinary(object /*, style*/) { + var result = '', bits = 0, idx, tail, + max = object.length, + map = BASE64_MAP; + + // Convert every three bytes to 4 ASCII characters. + + for (idx = 0; idx < max; idx++) { + if ((idx % 3 === 0) && idx) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } + + bits = (bits << 8) + object[idx]; + } + + // Dump tail + + tail = max % 3; + + if (tail === 0) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } else if (tail === 2) { + result += map[(bits >> 10) & 0x3F]; + result += map[(bits >> 4) & 0x3F]; + result += map[(bits << 2) & 0x3F]; + result += map[64]; + } else if (tail === 1) { + result += map[(bits >> 2) & 0x3F]; + result += map[(bits << 4) & 0x3F]; + result += map[64]; + result += map[64]; + } + + return result; + } + + function isBinary(obj) { + return Object.prototype.toString.call(obj) === '[object Uint8Array]'; + } + + var binary = new type('tag:yaml.org,2002:binary', { + kind: 'scalar', + resolve: resolveYamlBinary, + construct: constructYamlBinary, + predicate: isBinary, + represent: representYamlBinary + }); + + var _hasOwnProperty$3 = Object.prototype.hasOwnProperty; + var _toString$2 = Object.prototype.toString; + + function resolveYamlOmap(data) { + if (data === null) return true; + + var objectKeys = [], index, length, pair, pairKey, pairHasKey, + object = data; + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + pairHasKey = false; + + if (_toString$2.call(pair) !== '[object Object]') return false; + + for (pairKey in pair) { + if (_hasOwnProperty$3.call(pair, pairKey)) { + if (!pairHasKey) pairHasKey = true; + else return false; + } + } + + if (!pairHasKey) return false; + + if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey); + else return false; + } + + return true; + } + + function constructYamlOmap(data) { + return data !== null ? data : []; + } + + var omap = new type('tag:yaml.org,2002:omap', { + kind: 'sequence', + resolve: resolveYamlOmap, + construct: constructYamlOmap + }); + + var _toString$1 = Object.prototype.toString; + + function resolveYamlPairs(data) { + if (data === null) return true; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + if (_toString$1.call(pair) !== '[object Object]') return false; + + keys = Object.keys(pair); + + if (keys.length !== 1) return false; + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return true; + } + + function constructYamlPairs(data) { + if (data === null) return []; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + keys = Object.keys(pair); + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return result; + } + + var pairs = new type('tag:yaml.org,2002:pairs', { + kind: 'sequence', + resolve: resolveYamlPairs, + construct: constructYamlPairs + }); + + var _hasOwnProperty$2 = Object.prototype.hasOwnProperty; + + function resolveYamlSet(data) { + if (data === null) return true; + + var key, object = data; + + for (key in object) { + if (_hasOwnProperty$2.call(object, key)) { + if (object[key] !== null) return false; + } + } + + return true; + } + + function constructYamlSet(data) { + return data !== null ? data : {}; + } + + var set = new type('tag:yaml.org,2002:set', { + kind: 'mapping', + resolve: resolveYamlSet, + construct: constructYamlSet + }); + + var _default = core.extend({ + implicit: [ + timestamp, + merge + ], + explicit: [ + binary, + omap, + pairs, + set + ] + }); + + /*eslint-disable max-len,no-use-before-define*/ + + + + + + + + var _hasOwnProperty$1 = Object.prototype.hasOwnProperty; + + + var CONTEXT_FLOW_IN = 1; + var CONTEXT_FLOW_OUT = 2; + var CONTEXT_BLOCK_IN = 3; + var CONTEXT_BLOCK_OUT = 4; + + + var CHOMPING_CLIP = 1; + var CHOMPING_STRIP = 2; + var CHOMPING_KEEP = 3; + + + var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/; + var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/; + var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/; + var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i; + var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i; + + + function _class(obj) { return Object.prototype.toString.call(obj); } + + function is_EOL(c) { + return (c === 0x0A/* LF */) || (c === 0x0D/* CR */); + } + + function is_WHITE_SPACE(c) { + return (c === 0x09/* Tab */) || (c === 0x20/* Space */); + } + + function is_WS_OR_EOL(c) { + return (c === 0x09/* Tab */) || + (c === 0x20/* Space */) || + (c === 0x0A/* LF */) || + (c === 0x0D/* CR */); + } + + function is_FLOW_INDICATOR(c) { + return c === 0x2C/* , */ || + c === 0x5B/* [ */ || + c === 0x5D/* ] */ || + c === 0x7B/* { */ || + c === 0x7D/* } */; + } + + function fromHexCode(c) { + var lc; + + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + /*eslint-disable no-bitwise*/ + lc = c | 0x20; + + if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) { + return lc - 0x61 + 10; + } + + return -1; + } + + function escapedHexLen(c) { + if (c === 0x78/* x */) { return 2; } + if (c === 0x75/* u */) { return 4; } + if (c === 0x55/* U */) { return 8; } + return 0; + } + + function fromDecimalCode(c) { + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + return -1; + } + + function simpleEscapeSequence(c) { + /* eslint-disable indent */ + return (c === 0x30/* 0 */) ? '\x00' : + (c === 0x61/* a */) ? '\x07' : + (c === 0x62/* b */) ? '\x08' : + (c === 0x74/* t */) ? '\x09' : + (c === 0x09/* Tab */) ? '\x09' : + (c === 0x6E/* n */) ? '\x0A' : + (c === 0x76/* v */) ? '\x0B' : + (c === 0x66/* f */) ? '\x0C' : + (c === 0x72/* r */) ? '\x0D' : + (c === 0x65/* e */) ? '\x1B' : + (c === 0x20/* Space */) ? ' ' : + (c === 0x22/* " */) ? '\x22' : + (c === 0x2F/* / */) ? '/' : + (c === 0x5C/* \ */) ? '\x5C' : + (c === 0x4E/* N */) ? '\x85' : + (c === 0x5F/* _ */) ? '\xA0' : + (c === 0x4C/* L */) ? '\u2028' : + (c === 0x50/* P */) ? '\u2029' : ''; + } + + function charFromCodepoint(c) { + if (c <= 0xFFFF) { + return String.fromCharCode(c); + } + // Encode UTF-16 surrogate pair + // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF + return String.fromCharCode( + ((c - 0x010000) >> 10) + 0xD800, + ((c - 0x010000) & 0x03FF) + 0xDC00 + ); + } + + // set a property of a literal object, while protecting against prototype pollution, + // see https://github.com/nodeca/js-yaml/issues/164 for more details + function setProperty(object, key, value) { + // used for this specific key only because Object.defineProperty is slow + if (key === '__proto__') { + Object.defineProperty(object, key, { + configurable: true, + enumerable: true, + writable: true, + value: value + }); + } else { + object[key] = value; + } + } + + var simpleEscapeCheck = new Array(256); // integer, for fast access + var simpleEscapeMap = new Array(256); + for (var i = 0; i < 256; i++) { + simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0; + simpleEscapeMap[i] = simpleEscapeSequence(i); + } + + + function State$1(input, options) { + this.input = input; + + this.filename = options['filename'] || null; + this.schema = options['schema'] || _default; + this.onWarning = options['onWarning'] || null; + // (Hidden) Remove? makes the loader to expect YAML 1.1 documents + // if such documents have no explicit %YAML directive + this.legacy = options['legacy'] || false; + + this.json = options['json'] || false; + this.listener = options['listener'] || null; + + this.implicitTypes = this.schema.compiledImplicit; + this.typeMap = this.schema.compiledTypeMap; + + this.length = input.length; + this.position = 0; + this.line = 0; + this.lineStart = 0; + this.lineIndent = 0; + + // position of first leading tab in the current line, + // used to make sure there are no tabs in the indentation + this.firstTabInLine = -1; + + this.documents = []; + + /* + this.version; + this.checkLineBreaks; + this.tagMap; + this.anchorMap; + this.tag; + this.anchor; + this.kind; + this.result;*/ + + } + + + function generateError(state, message) { + var mark = { + name: state.filename, + buffer: state.input.slice(0, -1), // omit trailing \0 + position: state.position, + line: state.line, + column: state.position - state.lineStart + }; + + mark.snippet = snippet(mark); + + return new exception(message, mark); + } + + function throwError(state, message) { + throw generateError(state, message); + } + + function throwWarning(state, message) { + if (state.onWarning) { + state.onWarning.call(null, generateError(state, message)); + } + } + + + var directiveHandlers = { + + YAML: function handleYamlDirective(state, name, args) { + + var match, major, minor; + + if (state.version !== null) { + throwError(state, 'duplication of %YAML directive'); + } + + if (args.length !== 1) { + throwError(state, 'YAML directive accepts exactly one argument'); + } + + match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]); + + if (match === null) { + throwError(state, 'ill-formed argument of the YAML directive'); + } + + major = parseInt(match[1], 10); + minor = parseInt(match[2], 10); + + if (major !== 1) { + throwError(state, 'unacceptable YAML version of the document'); + } + + state.version = args[0]; + state.checkLineBreaks = (minor < 2); + + if (minor !== 1 && minor !== 2) { + throwWarning(state, 'unsupported YAML version of the document'); + } + }, + + TAG: function handleTagDirective(state, name, args) { + + var handle, prefix; + + if (args.length !== 2) { + throwError(state, 'TAG directive accepts exactly two arguments'); + } + + handle = args[0]; + prefix = args[1]; + + if (!PATTERN_TAG_HANDLE.test(handle)) { + throwError(state, 'ill-formed tag handle (first argument) of the TAG directive'); + } + + if (_hasOwnProperty$1.call(state.tagMap, handle)) { + throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle'); + } + + if (!PATTERN_TAG_URI.test(prefix)) { + throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive'); + } + + try { + prefix = decodeURIComponent(prefix); + } catch (err) { + throwError(state, 'tag prefix is malformed: ' + prefix); + } + + state.tagMap[handle] = prefix; + } + }; + + + function captureSegment(state, start, end, checkJson) { + var _position, _length, _character, _result; + + if (start < end) { + _result = state.input.slice(start, end); + + if (checkJson) { + for (_position = 0, _length = _result.length; _position < _length; _position += 1) { + _character = _result.charCodeAt(_position); + if (!(_character === 0x09 || + (0x20 <= _character && _character <= 0x10FFFF))) { + throwError(state, 'expected valid JSON character'); + } + } + } else if (PATTERN_NON_PRINTABLE.test(_result)) { + throwError(state, 'the stream contains non-printable characters'); + } + + state.result += _result; + } + } + + function mergeMappings(state, destination, source, overridableKeys) { + var sourceKeys, key, index, quantity; + + if (!common.isObject(source)) { + throwError(state, 'cannot merge mappings; the provided source object is unacceptable'); + } + + sourceKeys = Object.keys(source); + + for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) { + key = sourceKeys[index]; + + if (!_hasOwnProperty$1.call(destination, key)) { + setProperty(destination, key, source[key]); + overridableKeys[key] = true; + } + } + } + + function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, + startLine, startLineStart, startPos) { + + var index, quantity; + + // The output is a plain object here, so keys can only be strings. + // We need to convert keyNode to a string, but doing so can hang the process + // (deeply nested arrays that explode exponentially using aliases). + if (Array.isArray(keyNode)) { + keyNode = Array.prototype.slice.call(keyNode); + + for (index = 0, quantity = keyNode.length; index < quantity; index += 1) { + if (Array.isArray(keyNode[index])) { + throwError(state, 'nested arrays are not supported inside keys'); + } + + if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') { + keyNode[index] = '[object Object]'; + } + } + } + + // Avoid code execution in load() via toString property + // (still use its own toString for arrays, timestamps, + // and whatever user schema extensions happen to have @@toStringTag) + if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') { + keyNode = '[object Object]'; + } + + + keyNode = String(keyNode); + + if (_result === null) { + _result = {}; + } + + if (keyTag === 'tag:yaml.org,2002:merge') { + if (Array.isArray(valueNode)) { + for (index = 0, quantity = valueNode.length; index < quantity; index += 1) { + mergeMappings(state, _result, valueNode[index], overridableKeys); + } + } else { + mergeMappings(state, _result, valueNode, overridableKeys); + } + } else { + if (!state.json && + !_hasOwnProperty$1.call(overridableKeys, keyNode) && + _hasOwnProperty$1.call(_result, keyNode)) { + state.line = startLine || state.line; + state.lineStart = startLineStart || state.lineStart; + state.position = startPos || state.position; + throwError(state, 'duplicated mapping key'); + } + + setProperty(_result, keyNode, valueNode); + delete overridableKeys[keyNode]; + } + + return _result; + } + + function readLineBreak(state) { + var ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x0A/* LF */) { + state.position++; + } else if (ch === 0x0D/* CR */) { + state.position++; + if (state.input.charCodeAt(state.position) === 0x0A/* LF */) { + state.position++; + } + } else { + throwError(state, 'a line break is expected'); + } + + state.line += 1; + state.lineStart = state.position; + state.firstTabInLine = -1; + } + + function skipSeparationSpace(state, allowComments, checkIndent) { + var lineBreaks = 0, + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) { + state.firstTabInLine = state.position; + } + ch = state.input.charCodeAt(++state.position); + } + + if (allowComments && ch === 0x23/* # */) { + do { + ch = state.input.charCodeAt(++state.position); + } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0); + } + + if (is_EOL(ch)) { + readLineBreak(state); + + ch = state.input.charCodeAt(state.position); + lineBreaks++; + state.lineIndent = 0; + + while (ch === 0x20/* Space */) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + } else { + break; + } + } + + if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) { + throwWarning(state, 'deficient indentation'); + } + + return lineBreaks; + } + + function testDocumentSeparator(state) { + var _position = state.position, + ch; + + ch = state.input.charCodeAt(_position); + + // Condition state.position === state.lineStart is tested + // in parent on each call, for efficiency. No needs to test here again. + if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) && + ch === state.input.charCodeAt(_position + 1) && + ch === state.input.charCodeAt(_position + 2)) { + + _position += 3; + + ch = state.input.charCodeAt(_position); + + if (ch === 0 || is_WS_OR_EOL(ch)) { + return true; + } + } + + return false; + } + + function writeFoldedLines(state, count) { + if (count === 1) { + state.result += ' '; + } else if (count > 1) { + state.result += common.repeat('\n', count - 1); + } + } + + + function readPlainScalar(state, nodeIndent, withinFlowCollection) { + var preceding, + following, + captureStart, + captureEnd, + hasPendingContent, + _line, + _lineStart, + _lineIndent, + _kind = state.kind, + _result = state.result, + ch; + + ch = state.input.charCodeAt(state.position); + + if (is_WS_OR_EOL(ch) || + is_FLOW_INDICATOR(ch) || + ch === 0x23/* # */ || + ch === 0x26/* & */ || + ch === 0x2A/* * */ || + ch === 0x21/* ! */ || + ch === 0x7C/* | */ || + ch === 0x3E/* > */ || + ch === 0x27/* ' */ || + ch === 0x22/* " */ || + ch === 0x25/* % */ || + ch === 0x40/* @ */ || + ch === 0x60/* ` */) { + return false; + } + + if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + return false; + } + } + + state.kind = 'scalar'; + state.result = ''; + captureStart = captureEnd = state.position; + hasPendingContent = false; + + while (ch !== 0) { + if (ch === 0x3A/* : */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + break; + } + + } else if (ch === 0x23/* # */) { + preceding = state.input.charCodeAt(state.position - 1); + + if (is_WS_OR_EOL(preceding)) { + break; + } + + } else if ((state.position === state.lineStart && testDocumentSeparator(state)) || + withinFlowCollection && is_FLOW_INDICATOR(ch)) { + break; + + } else if (is_EOL(ch)) { + _line = state.line; + _lineStart = state.lineStart; + _lineIndent = state.lineIndent; + skipSeparationSpace(state, false, -1); + + if (state.lineIndent >= nodeIndent) { + hasPendingContent = true; + ch = state.input.charCodeAt(state.position); + continue; + } else { + state.position = captureEnd; + state.line = _line; + state.lineStart = _lineStart; + state.lineIndent = _lineIndent; + break; + } + } + + if (hasPendingContent) { + captureSegment(state, captureStart, captureEnd, false); + writeFoldedLines(state, state.line - _line); + captureStart = captureEnd = state.position; + hasPendingContent = false; + } + + if (!is_WHITE_SPACE(ch)) { + captureEnd = state.position + 1; + } + + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, captureEnd, false); + + if (state.result) { + return true; + } + + state.kind = _kind; + state.result = _result; + return false; + } + + function readSingleQuotedScalar(state, nodeIndent) { + var ch, + captureStart, captureEnd; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x27/* ' */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x27/* ' */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x27/* ' */) { + captureStart = state.position; + state.position++; + captureEnd = state.position; + } else { + return true; + } + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a single quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a single quoted scalar'); + } + + function readDoubleQuotedScalar(state, nodeIndent) { + var captureStart, + captureEnd, + hexLength, + hexResult, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x22/* " */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x22/* " */) { + captureSegment(state, captureStart, state.position, true); + state.position++; + return true; + + } else if (ch === 0x5C/* \ */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (is_EOL(ch)) { + skipSeparationSpace(state, false, nodeIndent); + + // TODO: rework to inline fn with no type cast? + } else if (ch < 256 && simpleEscapeCheck[ch]) { + state.result += simpleEscapeMap[ch]; + state.position++; + + } else if ((tmp = escapedHexLen(ch)) > 0) { + hexLength = tmp; + hexResult = 0; + + for (; hexLength > 0; hexLength--) { + ch = state.input.charCodeAt(++state.position); + + if ((tmp = fromHexCode(ch)) >= 0) { + hexResult = (hexResult << 4) + tmp; + + } else { + throwError(state, 'expected hexadecimal character'); + } + } + + state.result += charFromCodepoint(hexResult); + + state.position++; + + } else { + throwError(state, 'unknown escape sequence'); + } + + captureStart = captureEnd = state.position; + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a double quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a double quoted scalar'); + } + + function readFlowCollection(state, nodeIndent) { + var readNext = true, + _line, + _lineStart, + _pos, + _tag = state.tag, + _result, + _anchor = state.anchor, + following, + terminator, + isPair, + isExplicitPair, + isMapping, + overridableKeys = Object.create(null), + keyNode, + keyTag, + valueNode, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x5B/* [ */) { + terminator = 0x5D;/* ] */ + isMapping = false; + _result = []; + } else if (ch === 0x7B/* { */) { + terminator = 0x7D;/* } */ + isMapping = true; + _result = {}; + } else { + return false; + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(++state.position); + + while (ch !== 0) { + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === terminator) { + state.position++; + state.tag = _tag; + state.anchor = _anchor; + state.kind = isMapping ? 'mapping' : 'sequence'; + state.result = _result; + return true; + } else if (!readNext) { + throwError(state, 'missed comma between flow collection entries'); + } else if (ch === 0x2C/* , */) { + // "flow collection entries can never be completely empty", as per YAML 1.2, section 7.4 + throwError(state, "expected the node content, but found ','"); + } + + keyTag = keyNode = valueNode = null; + isPair = isExplicitPair = false; + + if (ch === 0x3F/* ? */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following)) { + isPair = isExplicitPair = true; + state.position++; + skipSeparationSpace(state, true, nodeIndent); + } + } + + _line = state.line; // Save the current line. + _lineStart = state.lineStart; + _pos = state.position; + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + keyTag = state.tag; + keyNode = state.result; + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) { + isPair = true; + ch = state.input.charCodeAt(++state.position); + skipSeparationSpace(state, true, nodeIndent); + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + valueNode = state.result; + } + + if (isMapping) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos); + } else if (isPair) { + _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos)); + } else { + _result.push(keyNode); + } + + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x2C/* , */) { + readNext = true; + ch = state.input.charCodeAt(++state.position); + } else { + readNext = false; + } + } + + throwError(state, 'unexpected end of the stream within a flow collection'); + } + + function readBlockScalar(state, nodeIndent) { + var captureStart, + folding, + chomping = CHOMPING_CLIP, + didReadContent = false, + detectedIndent = false, + textIndent = nodeIndent, + emptyLines = 0, + atMoreIndented = false, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x7C/* | */) { + folding = false; + } else if (ch === 0x3E/* > */) { + folding = true; + } else { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + + while (ch !== 0) { + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x2B/* + */ || ch === 0x2D/* - */) { + if (CHOMPING_CLIP === chomping) { + chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP; + } else { + throwError(state, 'repeat of a chomping mode identifier'); + } + + } else if ((tmp = fromDecimalCode(ch)) >= 0) { + if (tmp === 0) { + throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one'); + } else if (!detectedIndent) { + textIndent = nodeIndent + tmp - 1; + detectedIndent = true; + } else { + throwError(state, 'repeat of an indentation width identifier'); + } + + } else { + break; + } + } + + if (is_WHITE_SPACE(ch)) { + do { ch = state.input.charCodeAt(++state.position); } + while (is_WHITE_SPACE(ch)); + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (!is_EOL(ch) && (ch !== 0)); + } + } + + while (ch !== 0) { + readLineBreak(state); + state.lineIndent = 0; + + ch = state.input.charCodeAt(state.position); + + while ((!detectedIndent || state.lineIndent < textIndent) && + (ch === 0x20/* Space */)) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + + if (!detectedIndent && state.lineIndent > textIndent) { + textIndent = state.lineIndent; + } + + if (is_EOL(ch)) { + emptyLines++; + continue; + } + + // End of the scalar. + if (state.lineIndent < textIndent) { + + // Perform the chomping. + if (chomping === CHOMPING_KEEP) { + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } else if (chomping === CHOMPING_CLIP) { + if (didReadContent) { // i.e. only if the scalar is not empty. + state.result += '\n'; + } + } + + // Break this `while` cycle and go to the funciton's epilogue. + break; + } + + // Folded style: use fancy rules to handle line breaks. + if (folding) { + + // Lines starting with white space characters (more-indented lines) are not folded. + if (is_WHITE_SPACE(ch)) { + atMoreIndented = true; + // except for the first content line (cf. Example 8.1) + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + + // End of more-indented block. + } else if (atMoreIndented) { + atMoreIndented = false; + state.result += common.repeat('\n', emptyLines + 1); + + // Just one line break - perceive as the same line. + } else if (emptyLines === 0) { + if (didReadContent) { // i.e. only if we have already read some scalar content. + state.result += ' '; + } + + // Several line breaks - perceive as different lines. + } else { + state.result += common.repeat('\n', emptyLines); + } + + // Literal style: just add exact number of line breaks between content lines. + } else { + // Keep all line breaks except the header line break. + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } + + didReadContent = true; + detectedIndent = true; + emptyLines = 0; + captureStart = state.position; + + while (!is_EOL(ch) && (ch !== 0)) { + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, state.position, false); + } + + return true; + } + + function readBlockSequence(state, nodeIndent) { + var _line, + _tag = state.tag, + _anchor = state.anchor, + _result = [], + following, + detected = false, + ch; + + // there is a leading tab before this token, so it can't be a block sequence/mapping; + // it can still be flow sequence/mapping or a scalar + if (state.firstTabInLine !== -1) return false; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + if (state.firstTabInLine !== -1) { + state.position = state.firstTabInLine; + throwError(state, 'tab characters must not be used in indentation'); + } + + if (ch !== 0x2D/* - */) { + break; + } + + following = state.input.charCodeAt(state.position + 1); + + if (!is_WS_OR_EOL(following)) { + break; + } + + detected = true; + state.position++; + + if (skipSeparationSpace(state, true, -1)) { + if (state.lineIndent <= nodeIndent) { + _result.push(null); + ch = state.input.charCodeAt(state.position); + continue; + } + } + + _line = state.line; + composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true); + _result.push(state.result); + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a sequence entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'sequence'; + state.result = _result; + return true; + } + return false; + } + + function readBlockMapping(state, nodeIndent, flowIndent) { + var following, + allowCompact, + _line, + _keyLine, + _keyLineStart, + _keyPos, + _tag = state.tag, + _anchor = state.anchor, + _result = {}, + overridableKeys = Object.create(null), + keyTag = null, + keyNode = null, + valueNode = null, + atExplicitKey = false, + detected = false, + ch; + + // there is a leading tab before this token, so it can't be a block sequence/mapping; + // it can still be flow sequence/mapping or a scalar + if (state.firstTabInLine !== -1) return false; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + if (!atExplicitKey && state.firstTabInLine !== -1) { + state.position = state.firstTabInLine; + throwError(state, 'tab characters must not be used in indentation'); + } + + following = state.input.charCodeAt(state.position + 1); + _line = state.line; // Save the current line. + + // + // Explicit notation case. There are two separate blocks: + // first for the key (denoted by "?") and second for the value (denoted by ":") + // + if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) { + + if (ch === 0x3F/* ? */) { + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = true; + allowCompact = true; + + } else if (atExplicitKey) { + // i.e. 0x3A/* : */ === character after the explicit key. + atExplicitKey = false; + allowCompact = true; + + } else { + throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line'); + } + + state.position += 1; + ch = following; + + // + // Implicit notation case. Flow-style node as the key first, then ":", and the value. + // + } else { + _keyLine = state.line; + _keyLineStart = state.lineStart; + _keyPos = state.position; + + if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) { + // Neither implicit nor explicit notation. + // Reading is done. Go to the epilogue. + break; + } + + if (state.line === _line) { + ch = state.input.charCodeAt(state.position); + + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x3A/* : */) { + ch = state.input.charCodeAt(++state.position); + + if (!is_WS_OR_EOL(ch)) { + throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping'); + } + + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = false; + allowCompact = false; + keyTag = state.tag; + keyNode = state.result; + + } else if (detected) { + throwError(state, 'can not read an implicit mapping pair; a colon is missed'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + + } else if (detected) { + throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + } + + // + // Common reading code for both explicit and implicit notations. + // + if (state.line === _line || state.lineIndent > nodeIndent) { + if (atExplicitKey) { + _keyLine = state.line; + _keyLineStart = state.lineStart; + _keyPos = state.position; + } + + if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) { + if (atExplicitKey) { + keyNode = state.result; + } else { + valueNode = state.result; + } + } + + if (!atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + skipSeparationSpace(state, true, -1); + ch = state.input.charCodeAt(state.position); + } + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a mapping entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + // + // Epilogue. + // + + // Special case: last mapping's node contains only the key in explicit notation. + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + } + + // Expose the resulting mapping. + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'mapping'; + state.result = _result; + } + + return detected; + } + + function readTagProperty(state) { + var _position, + isVerbatim = false, + isNamed = false, + tagHandle, + tagName, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x21/* ! */) return false; + + if (state.tag !== null) { + throwError(state, 'duplication of a tag property'); + } + + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x3C/* < */) { + isVerbatim = true; + ch = state.input.charCodeAt(++state.position); + + } else if (ch === 0x21/* ! */) { + isNamed = true; + tagHandle = '!!'; + ch = state.input.charCodeAt(++state.position); + + } else { + tagHandle = '!'; + } + + _position = state.position; + + if (isVerbatim) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && ch !== 0x3E/* > */); + + if (state.position < state.length) { + tagName = state.input.slice(_position, state.position); + ch = state.input.charCodeAt(++state.position); + } else { + throwError(state, 'unexpected end of the stream within a verbatim tag'); + } + } else { + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + + if (ch === 0x21/* ! */) { + if (!isNamed) { + tagHandle = state.input.slice(_position - 1, state.position + 1); + + if (!PATTERN_TAG_HANDLE.test(tagHandle)) { + throwError(state, 'named tag handle cannot contain such characters'); + } + + isNamed = true; + _position = state.position + 1; + } else { + throwError(state, 'tag suffix cannot contain exclamation marks'); + } + } + + ch = state.input.charCodeAt(++state.position); + } + + tagName = state.input.slice(_position, state.position); + + if (PATTERN_FLOW_INDICATORS.test(tagName)) { + throwError(state, 'tag suffix cannot contain flow indicator characters'); + } + } + + if (tagName && !PATTERN_TAG_URI.test(tagName)) { + throwError(state, 'tag name cannot contain such characters: ' + tagName); + } + + try { + tagName = decodeURIComponent(tagName); + } catch (err) { + throwError(state, 'tag name is malformed: ' + tagName); + } + + if (isVerbatim) { + state.tag = tagName; + + } else if (_hasOwnProperty$1.call(state.tagMap, tagHandle)) { + state.tag = state.tagMap[tagHandle] + tagName; + + } else if (tagHandle === '!') { + state.tag = '!' + tagName; + + } else if (tagHandle === '!!') { + state.tag = 'tag:yaml.org,2002:' + tagName; + + } else { + throwError(state, 'undeclared tag handle "' + tagHandle + '"'); + } + + return true; + } + + function readAnchorProperty(state) { + var _position, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x26/* & */) return false; + + if (state.anchor !== null) { + throwError(state, 'duplication of an anchor property'); + } + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an anchor node must contain at least one character'); + } + + state.anchor = state.input.slice(_position, state.position); + return true; + } + + function readAlias(state) { + var _position, alias, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x2A/* * */) return false; + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an alias node must contain at least one character'); + } + + alias = state.input.slice(_position, state.position); + + if (!_hasOwnProperty$1.call(state.anchorMap, alias)) { + throwError(state, 'unidentified alias "' + alias + '"'); + } + + state.result = state.anchorMap[alias]; + skipSeparationSpace(state, true, -1); + return true; + } + + function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) { + var allowBlockStyles, + allowBlockScalars, + allowBlockCollections, + indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } + } + + if (indentStatus === 1) { + while (readTagProperty(state) || readAnchorProperty(state)) { + if (skipSeparationSpace(state, true, -1)) { + atNewLine = true; + allowBlockCollections = allowBlockStyles; + + if (state.lineIndent > parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } else { + allowBlockCollections = false; + } + } + } + + if (allowBlockCollections) { + allowBlockCollections = atNewLine || allowCompact; + } + + if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) { + if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) { + flowIndent = parentIndent; + } else { + flowIndent = parentIndent + 1; + } + + blockIndent = state.position - state.lineStart; + + if (indentStatus === 1) { + if (allowBlockCollections && + (readBlockSequence(state, blockIndent) || + readBlockMapping(state, blockIndent, flowIndent)) || + readFlowCollection(state, flowIndent)) { + hasContent = true; + } else { + if ((allowBlockScalars && readBlockScalar(state, flowIndent)) || + readSingleQuotedScalar(state, flowIndent) || + readDoubleQuotedScalar(state, flowIndent)) { + hasContent = true; + + } else if (readAlias(state)) { + hasContent = true; + + if (state.tag !== null || state.anchor !== null) { + throwError(state, 'alias node should not have any properties'); + } + + } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) { + hasContent = true; + + if (state.tag === null) { + state.tag = '?'; + } + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } else if (indentStatus === 0) { + // Special case: block sequences are allowed to have same indentation level as the parent. + // http://www.yaml.org/spec/1.2/spec.html#id2799784 + hasContent = allowBlockCollections && readBlockSequence(state, blockIndent); + } + } + + if (state.tag === null) { + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + + } else if (state.tag === '?') { + // Implicit resolving is not allowed for non-scalar types, and '?' + // non-specific tag is only automatically assigned to plain scalars. + // + // We only need to check kind conformity in case user explicitly assigns '?' + // tag, for example like this: "! [0]" + // + if (state.result !== null && state.kind !== 'scalar') { + throwError(state, 'unacceptable node kind for ! tag; it should be "scalar", not "' + state.kind + '"'); + } + + for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) { + type = state.implicitTypes[typeIndex]; + + if (type.resolve(state.result)) { // `state.result` updated in resolver if matched + state.result = type.construct(state.result); + state.tag = type.tag; + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + break; + } + } + } else if (state.tag !== '!') { + if (_hasOwnProperty$1.call(state.typeMap[state.kind || 'fallback'], state.tag)) { + type = state.typeMap[state.kind || 'fallback'][state.tag]; + } else { + // looking for multi type + type = null; + typeList = state.typeMap.multi[state.kind || 'fallback']; + + for (typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) { + if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) { + type = typeList[typeIndex]; + break; + } + } + } + + if (!type) { + throwError(state, 'unknown tag !<' + state.tag + '>'); + } + + if (state.result !== null && type.kind !== state.kind) { + throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"'); + } + + if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched + throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag'); + } else { + state.result = type.construct(state.result, state.tag); + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } + + if (state.listener !== null) { + state.listener('close', state); + } + return state.tag !== null || state.anchor !== null || hasContent; + } + + function readDocument(state) { + var documentStart = state.position, + _position, + directiveName, + directiveArgs, + hasDirectives = false, + ch; + + state.version = null; + state.checkLineBreaks = state.legacy; + state.tagMap = Object.create(null); + state.anchorMap = Object.create(null); + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if (state.lineIndent > 0 || ch !== 0x25/* % */) { + break; + } + + hasDirectives = true; + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveName = state.input.slice(_position, state.position); + directiveArgs = []; + + if (directiveName.length < 1) { + throwError(state, 'directive name must not be less than one character in length'); + } + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && !is_EOL(ch)); + break; + } + + if (is_EOL(ch)) break; + + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveArgs.push(state.input.slice(_position, state.position)); + } + + if (ch !== 0) readLineBreak(state); + + if (_hasOwnProperty$1.call(directiveHandlers, directiveName)) { + directiveHandlers[directiveName](state, directiveName, directiveArgs); + } else { + throwWarning(state, 'unknown document directive "' + directiveName + '"'); + } + } + + skipSeparationSpace(state, true, -1); + + if (state.lineIndent === 0 && + state.input.charCodeAt(state.position) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 1) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 2) === 0x2D/* - */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + + } else if (hasDirectives) { + throwError(state, 'directives end mark is expected'); + } + + composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true); + skipSeparationSpace(state, true, -1); + + if (state.checkLineBreaks && + PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) { + throwWarning(state, 'non-ASCII line breaks are interpreted as content'); + } + + state.documents.push(state.result); + + if (state.position === state.lineStart && testDocumentSeparator(state)) { + + if (state.input.charCodeAt(state.position) === 0x2E/* . */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + } + return; + } + + if (state.position < (state.length - 1)) { + throwError(state, 'end of the stream or a document separator is expected'); + } else { + return; + } + } + + + function loadDocuments(input, options) { + input = String(input); + options = options || {}; + + if (input.length !== 0) { + + // Add tailing `\n` if not exists + if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ && + input.charCodeAt(input.length - 1) !== 0x0D/* CR */) { + input += '\n'; + } + + // Strip BOM + if (input.charCodeAt(0) === 0xFEFF) { + input = input.slice(1); + } + } + + var state = new State$1(input, options); + + var nullpos = input.indexOf('\0'); + + if (nullpos !== -1) { + state.position = nullpos; + throwError(state, 'null byte is not allowed in input'); + } + + // Use 0 as string terminator. That significantly simplifies bounds check. + state.input += '\0'; + + while (state.input.charCodeAt(state.position) === 0x20/* Space */) { + state.lineIndent += 1; + state.position += 1; + } + + while (state.position < (state.length - 1)) { + readDocument(state); + } + + return state.documents; + } + + + function loadAll$1(input, iterator, options) { + if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') { + options = iterator; + iterator = null; + } + + var documents = loadDocuments(input, options); + + if (typeof iterator !== 'function') { + return documents; + } + + for (var index = 0, length = documents.length; index < length; index += 1) { + iterator(documents[index]); + } + } + + + function load$1(input, options) { + var documents = loadDocuments(input, options); + + if (documents.length === 0) { + /*eslint-disable no-undefined*/ + return undefined; + } else if (documents.length === 1) { + return documents[0]; + } + throw new exception('expected a single document in the stream, but found more'); + } + + + var loadAll_1 = loadAll$1; + var load_1 = load$1; + + var loader = { + loadAll: loadAll_1, + load: load_1 + }; + + /*eslint-disable no-use-before-define*/ + + + + + + var _toString = Object.prototype.toString; + var _hasOwnProperty = Object.prototype.hasOwnProperty; + + var CHAR_BOM = 0xFEFF; + var CHAR_TAB = 0x09; /* Tab */ + var CHAR_LINE_FEED = 0x0A; /* LF */ + var CHAR_CARRIAGE_RETURN = 0x0D; /* CR */ + var CHAR_SPACE = 0x20; /* Space */ + var CHAR_EXCLAMATION = 0x21; /* ! */ + var CHAR_DOUBLE_QUOTE = 0x22; /* " */ + var CHAR_SHARP = 0x23; /* # */ + var CHAR_PERCENT = 0x25; /* % */ + var CHAR_AMPERSAND = 0x26; /* & */ + var CHAR_SINGLE_QUOTE = 0x27; /* ' */ + var CHAR_ASTERISK = 0x2A; /* * */ + var CHAR_COMMA = 0x2C; /* , */ + var CHAR_MINUS = 0x2D; /* - */ + var CHAR_COLON = 0x3A; /* : */ + var CHAR_EQUALS = 0x3D; /* = */ + var CHAR_GREATER_THAN = 0x3E; /* > */ + var CHAR_QUESTION = 0x3F; /* ? */ + var CHAR_COMMERCIAL_AT = 0x40; /* @ */ + var CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */ + var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */ + var CHAR_GRAVE_ACCENT = 0x60; /* ` */ + var CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */ + var CHAR_VERTICAL_LINE = 0x7C; /* | */ + var CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */ + + var ESCAPE_SEQUENCES = {}; + + ESCAPE_SEQUENCES[0x00] = '\\0'; + ESCAPE_SEQUENCES[0x07] = '\\a'; + ESCAPE_SEQUENCES[0x08] = '\\b'; + ESCAPE_SEQUENCES[0x09] = '\\t'; + ESCAPE_SEQUENCES[0x0A] = '\\n'; + ESCAPE_SEQUENCES[0x0B] = '\\v'; + ESCAPE_SEQUENCES[0x0C] = '\\f'; + ESCAPE_SEQUENCES[0x0D] = '\\r'; + ESCAPE_SEQUENCES[0x1B] = '\\e'; + ESCAPE_SEQUENCES[0x22] = '\\"'; + ESCAPE_SEQUENCES[0x5C] = '\\\\'; + ESCAPE_SEQUENCES[0x85] = '\\N'; + ESCAPE_SEQUENCES[0xA0] = '\\_'; + ESCAPE_SEQUENCES[0x2028] = '\\L'; + ESCAPE_SEQUENCES[0x2029] = '\\P'; + + var DEPRECATED_BOOLEANS_SYNTAX = [ + 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', + 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF' + ]; + + var DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\.[0-9_]*)?$/; + + function compileStyleMap(schema, map) { + var result, keys, index, length, tag, style, type; + + if (map === null) return {}; + + result = {}; + keys = Object.keys(map); + + for (index = 0, length = keys.length; index < length; index += 1) { + tag = keys[index]; + style = String(map[tag]); + + if (tag.slice(0, 2) === '!!') { + tag = 'tag:yaml.org,2002:' + tag.slice(2); + } + type = schema.compiledTypeMap['fallback'][tag]; + + if (type && _hasOwnProperty.call(type.styleAliases, style)) { + style = type.styleAliases[style]; + } + + result[tag] = style; + } + + return result; + } + + function encodeHex(character) { + var string, handle, length; + + string = character.toString(16).toUpperCase(); + + if (character <= 0xFF) { + handle = 'x'; + length = 2; + } else if (character <= 0xFFFF) { + handle = 'u'; + length = 4; + } else if (character <= 0xFFFFFFFF) { + handle = 'U'; + length = 8; + } else { + throw new exception('code point within a string may not be greater than 0xFFFFFFFF'); + } + + return '\\' + handle + common.repeat('0', length - string.length) + string; + } + + + var QUOTING_TYPE_SINGLE = 1, + QUOTING_TYPE_DOUBLE = 2; + + function State(options) { + this.schema = options['schema'] || _default; + this.indent = Math.max(1, (options['indent'] || 2)); + this.noArrayIndent = options['noArrayIndent'] || false; + this.skipInvalid = options['skipInvalid'] || false; + this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']); + this.styleMap = compileStyleMap(this.schema, options['styles'] || null); + this.sortKeys = options['sortKeys'] || false; + this.lineWidth = options['lineWidth'] || 80; + this.noRefs = options['noRefs'] || false; + this.noCompatMode = options['noCompatMode'] || false; + this.condenseFlow = options['condenseFlow'] || false; + this.quotingType = options['quotingType'] === '"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE; + this.forceQuotes = options['forceQuotes'] || false; + this.replacer = typeof options['replacer'] === 'function' ? options['replacer'] : null; + + this.implicitTypes = this.schema.compiledImplicit; + this.explicitTypes = this.schema.compiledExplicit; + + this.tag = null; + this.result = ''; + + this.duplicates = []; + this.usedDuplicates = null; + } + + // Indents every line in a string. Empty lines (\n only) are not indented. + function indentString(string, spaces) { + var ind = common.repeat(' ', spaces), + position = 0, + next = -1, + result = '', + line, + length = string.length; + + while (position < length) { + next = string.indexOf('\n', position); + if (next === -1) { + line = string.slice(position); + position = length; + } else { + line = string.slice(position, next + 1); + position = next + 1; + } + + if (line.length && line !== '\n') result += ind; + + result += line; + } + + return result; + } + + function generateNextLine(state, level) { + return '\n' + common.repeat(' ', state.indent * level); + } + + function testImplicitResolving(state, str) { + var index, length, type; + + for (index = 0, length = state.implicitTypes.length; index < length; index += 1) { + type = state.implicitTypes[index]; + + if (type.resolve(str)) { + return true; + } + } + + return false; + } + + // [33] s-white ::= s-space | s-tab + function isWhitespace(c) { + return c === CHAR_SPACE || c === CHAR_TAB; + } + + // Returns true if the character can be printed without escaping. + // From YAML 1.2: "any allowed characters known to be non-printable + // should also be escaped. [However,] This isn’t mandatory" + // Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029. + function isPrintable(c) { + return (0x00020 <= c && c <= 0x00007E) + || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029) + || ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM) + || (0x10000 <= c && c <= 0x10FFFF); + } + + // [34] ns-char ::= nb-char - s-white + // [27] nb-char ::= c-printable - b-char - c-byte-order-mark + // [26] b-char ::= b-line-feed | b-carriage-return + // Including s-white (for some reason, examples doesn't match specs in this aspect) + // ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark + function isNsCharOrWhitespace(c) { + return isPrintable(c) + && c !== CHAR_BOM + // - b-char + && c !== CHAR_CARRIAGE_RETURN + && c !== CHAR_LINE_FEED; + } + + // [127] ns-plain-safe(c) ::= c = flow-out ⇒ ns-plain-safe-out + // c = flow-in ⇒ ns-plain-safe-in + // c = block-key ⇒ ns-plain-safe-out + // c = flow-key ⇒ ns-plain-safe-in + // [128] ns-plain-safe-out ::= ns-char + // [129] ns-plain-safe-in ::= ns-char - c-flow-indicator + // [130] ns-plain-char(c) ::= ( ns-plain-safe(c) - “:” - “#” ) + // | ( /* An ns-char preceding */ “#” ) + // | ( “:” /* Followed by an ns-plain-safe(c) */ ) + function isPlainSafe(c, prev, inblock) { + var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c); + var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c); + return ( + // ns-plain-safe + inblock ? // c = flow-in + cIsNsCharOrWhitespace + : cIsNsCharOrWhitespace + // - c-flow-indicator + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + ) + // ns-plain-char + && c !== CHAR_SHARP // false on '#' + && !(prev === CHAR_COLON && !cIsNsChar) // false on ': ' + || (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#' + || (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]' + } + + // Simplified test for values allowed as the first character in plain style. + function isPlainSafeFirst(c) { + // Uses a subset of ns-char - c-indicator + // where ns-char = nb-char - s-white. + // No support of ( ( “?” | “:” | “-” ) /* Followed by an ns-plain-safe(c)) */ ) part + return isPrintable(c) && c !== CHAR_BOM + && !isWhitespace(c) // - s-white + // - (c-indicator ::= + // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}” + && c !== CHAR_MINUS + && c !== CHAR_QUESTION + && c !== CHAR_COLON + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + // | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “"” + && c !== CHAR_SHARP + && c !== CHAR_AMPERSAND + && c !== CHAR_ASTERISK + && c !== CHAR_EXCLAMATION + && c !== CHAR_VERTICAL_LINE + && c !== CHAR_EQUALS + && c !== CHAR_GREATER_THAN + && c !== CHAR_SINGLE_QUOTE + && c !== CHAR_DOUBLE_QUOTE + // | “%” | “@” | “`”) + && c !== CHAR_PERCENT + && c !== CHAR_COMMERCIAL_AT + && c !== CHAR_GRAVE_ACCENT; + } + + // Simplified test for values allowed as the last character in plain style. + function isPlainSafeLast(c) { + // just not whitespace or colon, it will be checked to be plain character later + return !isWhitespace(c) && c !== CHAR_COLON; + } + + // Same as 'string'.codePointAt(pos), but works in older browsers. + function codePointAt(string, pos) { + var first = string.charCodeAt(pos), second; + if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) { + second = string.charCodeAt(pos + 1); + if (second >= 0xDC00 && second <= 0xDFFF) { + // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae + return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000; + } + } + return first; + } + + // Determines whether block indentation indicator is required. + function needIndentIndicator(string) { + var leadingSpaceRe = /^\n* /; + return leadingSpaceRe.test(string); + } + + var STYLE_PLAIN = 1, + STYLE_SINGLE = 2, + STYLE_LITERAL = 3, + STYLE_FOLDED = 4, + STYLE_DOUBLE = 5; + + // Determines which scalar styles are possible and returns the preferred style. + // lineWidth = -1 => no limit. + // Pre-conditions: str.length > 0. + // Post-conditions: + // STYLE_PLAIN or STYLE_SINGLE => no \n are in the string. + // STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1). + // STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1). + function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, + testAmbiguousType, quotingType, forceQuotes, inblock) { + + var i; + var char = 0; + var prevChar = null; + var hasLineBreak = false; + var hasFoldableLine = false; // only checked if shouldTrackWidth + var shouldTrackWidth = lineWidth !== -1; + var previousLineBreak = -1; // count the first line correctly + var plain = isPlainSafeFirst(codePointAt(string, 0)) + && isPlainSafeLast(codePointAt(string, string.length - 1)); + + if (singleLineOnly || forceQuotes) { + // Case: no block styles. + // Check for disallowed characters to rule out plain and single. + for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char, prevChar, inblock); + prevChar = char; + } + } else { + // Case: block styles permitted. + for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + if (char === CHAR_LINE_FEED) { + hasLineBreak = true; + // Check if any line can be folded. + if (shouldTrackWidth) { + hasFoldableLine = hasFoldableLine || + // Foldable line = too long, and not more-indented. + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' '); + previousLineBreak = i; + } + } else if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char, prevChar, inblock); + prevChar = char; + } + // in case the end is missing a \n + hasFoldableLine = hasFoldableLine || (shouldTrackWidth && + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' ')); + } + // Although every style can represent \n without escaping, prefer block styles + // for multiline, since they're more readable and they don't add empty lines. + // Also prefer folding a super-long line. + if (!hasLineBreak && !hasFoldableLine) { + // Strings interpretable as another type have to be quoted; + // e.g. the string 'true' vs. the boolean true. + if (plain && !forceQuotes && !testAmbiguousType(string)) { + return STYLE_PLAIN; + } + return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; + } + // Edge case: block indentation indicator can only have one digit. + if (indentPerLevel > 9 && needIndentIndicator(string)) { + return STYLE_DOUBLE; + } + // At this point we know block styles are valid. + // Prefer literal style unless we want to fold. + if (!forceQuotes) { + return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL; + } + return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; + } + + // Note: line breaking/folding is implemented for only the folded style. + // NB. We drop the last trailing newline (if any) of a returned block scalar + // since the dumper adds its own newline. This always works: + // • No ending newline => unaffected; already using strip "-" chomping. + // • Ending newline => removed then restored. + // Importantly, this keeps the "+" chomp indicator from gaining an extra line. + function writeScalar(state, string, level, iskey, inblock) { + state.dump = (function () { + if (string.length === 0) { + return state.quotingType === QUOTING_TYPE_DOUBLE ? '""' : "''"; + } + if (!state.noCompatMode) { + if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) { + return state.quotingType === QUOTING_TYPE_DOUBLE ? ('"' + string + '"') : ("'" + string + "'"); + } + } + + var indent = state.indent * Math.max(1, level); // no 0-indent scalars + // As indentation gets deeper, let the width decrease monotonically + // to the lower bound min(state.lineWidth, 40). + // Note that this implies + // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound. + // state.lineWidth > 40 + state.indent: width decreases until the lower bound. + // This behaves better than a constant minimum width which disallows narrower options, + // or an indent threshold which causes the width to suddenly increase. + var lineWidth = state.lineWidth === -1 + ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); + + // Without knowing if keys are implicit/explicit, assume implicit for safety. + var singleLineOnly = iskey + // No block styles in flow mode. + || (state.flowLevel > -1 && level >= state.flowLevel); + function testAmbiguity(string) { + return testImplicitResolving(state, string); + } + + switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, + testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) { + + case STYLE_PLAIN: + return string; + case STYLE_SINGLE: + return "'" + string.replace(/'/g, "''") + "'"; + case STYLE_LITERAL: + return '|' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(string, indent)); + case STYLE_FOLDED: + return '>' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(foldString(string, lineWidth), indent)); + case STYLE_DOUBLE: + return '"' + escapeString(string) + '"'; + default: + throw new exception('impossible error: invalid scalar style'); + } + }()); + } + + // Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9. + function blockHeader(string, indentPerLevel) { + var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : ''; + + // note the special case: the string '\n' counts as a "trailing" empty line. + var clip = string[string.length - 1] === '\n'; + var keep = clip && (string[string.length - 2] === '\n' || string === '\n'); + var chomp = keep ? '+' : (clip ? '' : '-'); + + return indentIndicator + chomp + '\n'; + } + + // (See the note for writeScalar.) + function dropEndingNewline(string) { + return string[string.length - 1] === '\n' ? string.slice(0, -1) : string; + } + + // Note: a long line without a suitable break point will exceed the width limit. + // Pre-conditions: every char in str isPrintable, str.length > 0, width > 0. + function foldString(string, width) { + // In folded style, $k$ consecutive newlines output as $k+1$ newlines— + // unless they're before or after a more-indented line, or at the very + // beginning or end, in which case $k$ maps to $k$. + // Therefore, parse each chunk as newline(s) followed by a content line. + var lineRe = /(\n+)([^\n]*)/g; + + // first line (possibly an empty line) + var result = (function () { + var nextLF = string.indexOf('\n'); + nextLF = nextLF !== -1 ? nextLF : string.length; + lineRe.lastIndex = nextLF; + return foldLine(string.slice(0, nextLF), width); + }()); + // If we haven't reached the first content line yet, don't add an extra \n. + var prevMoreIndented = string[0] === '\n' || string[0] === ' '; + var moreIndented; + + // rest of the lines + var match; + while ((match = lineRe.exec(string))) { + var prefix = match[1], line = match[2]; + moreIndented = (line[0] === ' '); + result += prefix + + (!prevMoreIndented && !moreIndented && line !== '' + ? '\n' : '') + + foldLine(line, width); + prevMoreIndented = moreIndented; + } + + return result; + } + + // Greedy line breaking. + // Picks the longest line under the limit each time, + // otherwise settles for the shortest line over the limit. + // NB. More-indented lines *cannot* be folded, as that would add an extra \n. + function foldLine(line, width) { + if (line === '' || line[0] === ' ') return line; + + // Since a more-indented line adds a \n, breaks can't be followed by a space. + var breakRe = / [^ ]/g; // note: the match index will always be <= length-2. + var match; + // start is an inclusive index. end, curr, and next are exclusive. + var start = 0, end, curr = 0, next = 0; + var result = ''; + + // Invariants: 0 <= start <= length-1. + // 0 <= curr <= next <= max(0, length-2). curr - start <= width. + // Inside the loop: + // A match implies length >= 2, so curr and next are <= length-2. + while ((match = breakRe.exec(line))) { + next = match.index; + // maintain invariant: curr - start <= width + if (next - start > width) { + end = (curr > start) ? curr : next; // derive end <= length-2 + result += '\n' + line.slice(start, end); + // skip the space that was output as \n + start = end + 1; // derive start <= length-1 + } + curr = next; + } + + // By the invariants, start <= length-1, so there is something left over. + // It is either the whole string or a part starting from non-whitespace. + result += '\n'; + // Insert a break if the remainder is too long and there is a break available. + if (line.length - start > width && curr > start) { + result += line.slice(start, curr) + '\n' + line.slice(curr + 1); + } else { + result += line.slice(start); + } + + return result.slice(1); // drop extra \n joiner + } + + // Escapes a double-quoted string. + function escapeString(string) { + var result = ''; + var char = 0; + var escapeSeq; + + for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + escapeSeq = ESCAPE_SEQUENCES[char]; + + if (!escapeSeq && isPrintable(char)) { + result += string[i]; + if (char >= 0x10000) result += string[i + 1]; + } else { + result += escapeSeq || encodeHex(char); + } + } + + return result; + } + + function writeFlowSequence(state, level, object) { + var _result = '', + _tag = state.tag, + index, + length, + value; + + for (index = 0, length = object.length; index < length; index += 1) { + value = object[index]; + + if (state.replacer) { + value = state.replacer.call(object, String(index), value); + } + + // Write only valid elements, put null instead of invalid elements. + if (writeNode(state, level, value, false, false) || + (typeof value === 'undefined' && + writeNode(state, level, null, false, false))) { + + if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : ''); + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = '[' + _result + ']'; + } + + function writeBlockSequence(state, level, object, compact) { + var _result = '', + _tag = state.tag, + index, + length, + value; + + for (index = 0, length = object.length; index < length; index += 1) { + value = object[index]; + + if (state.replacer) { + value = state.replacer.call(object, String(index), value); + } + + // Write only valid elements, put null instead of invalid elements. + if (writeNode(state, level + 1, value, true, true, false, true) || + (typeof value === 'undefined' && + writeNode(state, level + 1, null, true, true, false, true))) { + + if (!compact || _result !== '') { + _result += generateNextLine(state, level); + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + _result += '-'; + } else { + _result += '- '; + } + + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = _result || '[]'; // Empty sequence if no valid values. + } + + function writeFlowMapping(state, level, object) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + pairBuffer; + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + + pairBuffer = ''; + if (_result !== '') pairBuffer += ', '; + + if (state.condenseFlow) pairBuffer += '"'; + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (state.replacer) { + objectValue = state.replacer.call(object, objectKey, objectValue); + } + + if (!writeNode(state, level, objectKey, false, false)) { + continue; // Skip this pair because of invalid key; + } + + if (state.dump.length > 1024) pairBuffer += '? '; + + pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' '); + + if (!writeNode(state, level, objectValue, false, false)) { + continue; // Skip this pair because of invalid value. + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = '{' + _result + '}'; + } + + function writeBlockMapping(state, level, object, compact) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + explicitPair, + pairBuffer; + + // Allow sorting keys so that the output file is deterministic + if (state.sortKeys === true) { + // Default sorting + objectKeyList.sort(); + } else if (typeof state.sortKeys === 'function') { + // Custom sort function + objectKeyList.sort(state.sortKeys); + } else if (state.sortKeys) { + // Something is wrong + throw new exception('sortKeys must be a boolean or a function'); + } + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + pairBuffer = ''; + + if (!compact || _result !== '') { + pairBuffer += generateNextLine(state, level); + } + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (state.replacer) { + objectValue = state.replacer.call(object, objectKey, objectValue); + } + + if (!writeNode(state, level + 1, objectKey, true, true, true)) { + continue; // Skip this pair because of invalid key. + } + + explicitPair = (state.tag !== null && state.tag !== '?') || + (state.dump && state.dump.length > 1024); + + if (explicitPair) { + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += '?'; + } else { + pairBuffer += '? '; + } + } + + pairBuffer += state.dump; + + if (explicitPair) { + pairBuffer += generateNextLine(state, level); + } + + if (!writeNode(state, level + 1, objectValue, true, explicitPair)) { + continue; // Skip this pair because of invalid value. + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += ':'; + } else { + pairBuffer += ': '; + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = _result || '{}'; // Empty mapping if no valid pairs. + } + + function detectType(state, object, explicit) { + var _result, typeList, index, length, type, style; + + typeList = explicit ? state.explicitTypes : state.implicitTypes; + + for (index = 0, length = typeList.length; index < length; index += 1) { + type = typeList[index]; + + if ((type.instanceOf || type.predicate) && + (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) && + (!type.predicate || type.predicate(object))) { + + if (explicit) { + if (type.multi && type.representName) { + state.tag = type.representName(object); + } else { + state.tag = type.tag; + } + } else { + state.tag = '?'; + } + + if (type.represent) { + style = state.styleMap[type.tag] || type.defaultStyle; + + if (_toString.call(type.represent) === '[object Function]') { + _result = type.represent(object, style); + } else if (_hasOwnProperty.call(type.represent, style)) { + _result = type.represent[style](object, style); + } else { + throw new exception('!<' + type.tag + '> tag resolver accepts not "' + style + '" style'); + } + + state.dump = _result; + } + + return true; + } + } + + return false; + } + + // Serializes `object` and writes it to global `result`. + // Returns true on success, or false on invalid object. + // + function writeNode(state, level, object, block, compact, iskey, isblockseq) { + state.tag = null; + state.dump = object; + + if (!detectType(state, object, false)) { + detectType(state, object, true); + } + + var type = _toString.call(state.dump); + var inblock = block; + var tagStr; + + if (block) { + block = (state.flowLevel < 0 || state.flowLevel > level); + } + + var objectOrArray = type === '[object Object]' || type === '[object Array]', + duplicateIndex, + duplicate; + + if (objectOrArray) { + duplicateIndex = state.duplicates.indexOf(object); + duplicate = duplicateIndex !== -1; + } + + if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) { + compact = false; + } + + if (duplicate && state.usedDuplicates[duplicateIndex]) { + state.dump = '*ref_' + duplicateIndex; + } else { + if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) { + state.usedDuplicates[duplicateIndex] = true; + } + if (type === '[object Object]') { + if (block && (Object.keys(state.dump).length !== 0)) { + writeBlockMapping(state, level, state.dump, compact); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowMapping(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object Array]') { + if (block && (state.dump.length !== 0)) { + if (state.noArrayIndent && !isblockseq && level > 0) { + writeBlockSequence(state, level - 1, state.dump, compact); + } else { + writeBlockSequence(state, level, state.dump, compact); + } + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowSequence(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object String]') { + if (state.tag !== '?') { + writeScalar(state, state.dump, level, iskey, inblock); + } + } else if (type === '[object Undefined]') { + return false; + } else { + if (state.skipInvalid) return false; + throw new exception('unacceptable kind of an object to dump ' + type); + } + + if (state.tag !== null && state.tag !== '?') { + // Need to encode all characters except those allowed by the spec: + // + // [35] ns-dec-digit ::= [#x30-#x39] /* 0-9 */ + // [36] ns-hex-digit ::= ns-dec-digit + // | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */ + // [37] ns-ascii-letter ::= [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */ + // [38] ns-word-char ::= ns-dec-digit | ns-ascii-letter | “-” + // [39] ns-uri-char ::= “%” ns-hex-digit ns-hex-digit | ns-word-char | “#” + // | “;” | “/” | “?” | “:” | “@” | “&” | “=” | “+” | “$” | “,” + // | “_” | “.” | “!” | “~” | “*” | “'” | “(” | “)” | “[” | “]” + // + // Also need to encode '!' because it has special meaning (end of tag prefix). + // + tagStr = encodeURI( + state.tag[0] === '!' ? state.tag.slice(1) : state.tag + ).replace(/!/g, '%21'); + + if (state.tag[0] === '!') { + tagStr = '!' + tagStr; + } else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') { + tagStr = '!!' + tagStr.slice(18); + } else { + tagStr = '!<' + tagStr + '>'; + } + + state.dump = tagStr + ' ' + state.dump; + } + } + + return true; + } + + function getDuplicateReferences(object, state) { + var objects = [], + duplicatesIndexes = [], + index, + length; + + inspectNode(object, objects, duplicatesIndexes); + + for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) { + state.duplicates.push(objects[duplicatesIndexes[index]]); + } + state.usedDuplicates = new Array(length); + } + + function inspectNode(object, objects, duplicatesIndexes) { + var objectKeyList, + index, + length; + + if (object !== null && typeof object === 'object') { + index = objects.indexOf(object); + if (index !== -1) { + if (duplicatesIndexes.indexOf(index) === -1) { + duplicatesIndexes.push(index); + } + } else { + objects.push(object); + + if (Array.isArray(object)) { + for (index = 0, length = object.length; index < length; index += 1) { + inspectNode(object[index], objects, duplicatesIndexes); + } + } else { + objectKeyList = Object.keys(object); + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes); + } + } + } + } + } + + function dump$1(input, options) { + options = options || {}; + + var state = new State(options); + + if (!state.noRefs) getDuplicateReferences(input, state); + + var value = input; + + if (state.replacer) { + value = state.replacer.call({ '': value }, '', value); + } + + if (writeNode(state, 0, value, true, true)) return state.dump + '\n'; + + return ''; + } + + var dump_1 = dump$1; + + var dumper = { + dump: dump_1 + }; + + function renamed(from, to) { + return function () { + throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' + + 'Use yaml.' + to + ' instead, which is now safe by default.'); + }; + } + + + var Type = type; + var Schema = schema; + var FAILSAFE_SCHEMA = failsafe; + var JSON_SCHEMA = json; + var CORE_SCHEMA = core; + var DEFAULT_SCHEMA = _default; + var load = loader.load; + var loadAll = loader.loadAll; + var dump = dumper.dump; + var YAMLException = exception; + + // Re-export all types in case user wants to create custom schema + var types = { + binary: binary, + float: float, + map: map, + null: _null, + pairs: pairs, + set: set, + timestamp: timestamp, + bool: bool, + int: int, + merge: merge, + omap: omap, + seq: seq, + str: str + }; + + // Removed functions from JS-YAML 3.0.x + var safeLoad = renamed('safeLoad', 'load'); + var safeLoadAll = renamed('safeLoadAll', 'loadAll'); + var safeDump = renamed('safeDump', 'dump'); + + var jsYaml = { + Type: Type, + Schema: Schema, + FAILSAFE_SCHEMA: FAILSAFE_SCHEMA, + JSON_SCHEMA: JSON_SCHEMA, + CORE_SCHEMA: CORE_SCHEMA, + DEFAULT_SCHEMA: DEFAULT_SCHEMA, + load: load, + loadAll: loadAll, + dump: dump, + YAMLException: YAMLException, + types: types, + safeLoad: safeLoad, + safeLoadAll: safeLoadAll, + safeDump: safeDump + }; + + exports.CORE_SCHEMA = CORE_SCHEMA; + exports.DEFAULT_SCHEMA = DEFAULT_SCHEMA; + exports.FAILSAFE_SCHEMA = FAILSAFE_SCHEMA; + exports.JSON_SCHEMA = JSON_SCHEMA; + exports.Schema = Schema; + exports.Type = Type; + exports.YAMLException = YAMLException; + exports["default"] = jsYaml; + exports.dump = dump; + exports.load = load; + exports.loadAll = loadAll; + exports.safeDump = safeDump; + exports.safeLoad = safeLoad; + exports.safeLoadAll = safeLoadAll; + exports.types = types; + + Object.defineProperty(exports, '__esModule', { value: true }); + +})); diff --git a/module/node_modules/js-yaml/dist/js-yaml.min.js b/module/node_modules/js-yaml/dist/js-yaml.min.js new file mode 100644 index 000000000..8e7f7664e --- /dev/null +++ b/module/node_modules/js-yaml/dist/js-yaml.min.js @@ -0,0 +1,2 @@ +/*! js-yaml 4.1.1 https://github.com/nodeca/js-yaml @license MIT */ +!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).jsyaml={})}(this,function(e){"use strict";function t(e){return null==e}var n={isNothing:t,isObject:function(e){return"object"==typeof e&&null!==e},toArray:function(e){return Array.isArray(e)?e:t(e)?[]:[e]},repeat:function(e,t){var n,i="";for(n=0;nl&&(t=i-l+(o=" ... 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+ lineStarts.push(match.index + match[0].length); + + if (mark.position <= match.index && foundLineNo < 0) { + foundLineNo = lineStarts.length - 2; + } + } + + if (foundLineNo < 0) foundLineNo = lineStarts.length - 1; + + var result = '', i, line; + var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length; + var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3); + + for (i = 1; i <= options.linesBefore; i++) { + if (foundLineNo - i < 0) break; + line = getLine( + mark.buffer, + lineStarts[foundLineNo - i], + lineEnds[foundLineNo - i], + mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]), + maxLineLength + ); + result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n' + result; + } + + line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength); + result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n'; + result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\n'; + + for (i = 1; i <= options.linesAfter; i++) { + if (foundLineNo + i >= lineEnds.length) break; + line = getLine( + mark.buffer, + lineStarts[foundLineNo + i], + lineEnds[foundLineNo + i], + mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]), + maxLineLength + ); + result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n'; + } + + return result.replace(/\n$/, ''); +} + + +var snippet = makeSnippet; + +var TYPE_CONSTRUCTOR_OPTIONS = [ + 'kind', + 'multi', + 'resolve', + 'construct', + 'instanceOf', + 'predicate', + 'represent', + 'representName', + 'defaultStyle', + 'styleAliases' +]; + +var YAML_NODE_KINDS = [ + 'scalar', + 'sequence', + 'mapping' +]; + +function compileStyleAliases(map) { + var result = {}; + + if (map !== null) { + Object.keys(map).forEach(function (style) { + map[style].forEach(function (alias) { + result[String(alias)] = style; + }); + }); + } + + return result; +} + +function Type$1(tag, options) { + options = options || {}; + + Object.keys(options).forEach(function (name) { + if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) { + throw new exception('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.'); + } + }); + + // TODO: Add tag format check. + this.options = options; // keep original options in case user wants to extend this type later + this.tag = tag; + this.kind = options['kind'] || null; + this.resolve = options['resolve'] || function () { return true; }; + this.construct = options['construct'] || function (data) { return data; }; + this.instanceOf = options['instanceOf'] || null; + this.predicate = options['predicate'] || null; + this.represent = options['represent'] || null; + this.representName = options['representName'] || null; + this.defaultStyle = options['defaultStyle'] || null; + this.multi = options['multi'] || false; + this.styleAliases = compileStyleAliases(options['styleAliases'] || null); + + if (YAML_NODE_KINDS.indexOf(this.kind) === -1) { + throw new exception('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.'); + } +} + +var type = Type$1; + +/*eslint-disable max-len*/ + + + + + +function compileList(schema, name) { + var result = []; + + schema[name].forEach(function (currentType) { + var newIndex = result.length; + + result.forEach(function (previousType, previousIndex) { + if (previousType.tag === currentType.tag && + previousType.kind === currentType.kind && + previousType.multi === currentType.multi) { + + newIndex = previousIndex; + } + }); + + result[newIndex] = currentType; + }); + + return result; +} + + +function compileMap(/* lists... */) { + var result = { + scalar: {}, + sequence: {}, + mapping: {}, + fallback: {}, + multi: { + scalar: [], + sequence: [], + mapping: [], + fallback: [] + } + }, index, length; + + function collectType(type) { + if (type.multi) { + result.multi[type.kind].push(type); + result.multi['fallback'].push(type); + } else { + result[type.kind][type.tag] = result['fallback'][type.tag] = type; + } + } + + for (index = 0, length = arguments.length; index < length; index += 1) { + arguments[index].forEach(collectType); + } + return result; +} + + +function Schema$1(definition) { + return this.extend(definition); +} + + +Schema$1.prototype.extend = function extend(definition) { + var implicit = []; + var explicit = []; + + if (definition instanceof type) { + // Schema.extend(type) + explicit.push(definition); + + } else if (Array.isArray(definition)) { + // Schema.extend([ type1, type2, ... ]) + explicit = explicit.concat(definition); + + } else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) { + // Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] }) + if (definition.implicit) implicit = implicit.concat(definition.implicit); + if (definition.explicit) explicit = explicit.concat(definition.explicit); + + } else { + throw new exception('Schema.extend argument should be a Type, [ Type ], ' + + 'or a schema definition ({ implicit: [...], explicit: [...] })'); + } + + implicit.forEach(function (type$1) { + if (!(type$1 instanceof type)) { + throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + + if (type$1.loadKind && type$1.loadKind !== 'scalar') { + throw new exception('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.'); + } + + if (type$1.multi) { + throw new exception('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.'); + } + }); + + explicit.forEach(function (type$1) { + if (!(type$1 instanceof type)) { + throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + }); + + var result = Object.create(Schema$1.prototype); + + result.implicit = (this.implicit || []).concat(implicit); + result.explicit = (this.explicit || []).concat(explicit); + + result.compiledImplicit = compileList(result, 'implicit'); + result.compiledExplicit = compileList(result, 'explicit'); + result.compiledTypeMap = compileMap(result.compiledImplicit, result.compiledExplicit); + + return result; +}; + + +var schema = Schema$1; + +var str = new type('tag:yaml.org,2002:str', { + kind: 'scalar', + construct: function (data) { return data !== null ? data : ''; } +}); + +var seq = new type('tag:yaml.org,2002:seq', { + kind: 'sequence', + construct: function (data) { return data !== null ? data : []; } +}); + +var map = new type('tag:yaml.org,2002:map', { + kind: 'mapping', + construct: function (data) { return data !== null ? data : {}; } +}); + +var failsafe = new schema({ + explicit: [ + str, + seq, + map + ] +}); + +function resolveYamlNull(data) { + if (data === null) return true; + + var max = data.length; + + return (max === 1 && data === '~') || + (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL')); +} + +function constructYamlNull() { + return null; +} + +function isNull(object) { + return object === null; +} + +var _null = new type('tag:yaml.org,2002:null', { + kind: 'scalar', + resolve: resolveYamlNull, + construct: constructYamlNull, + predicate: isNull, + represent: { + canonical: function () { return '~'; }, + lowercase: function () { return 'null'; }, + uppercase: function () { return 'NULL'; }, + camelcase: function () { return 'Null'; }, + empty: function () { return ''; } + }, + defaultStyle: 'lowercase' +}); + +function resolveYamlBoolean(data) { + if (data === null) return false; + + var max = data.length; + + return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) || + (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE')); +} + +function constructYamlBoolean(data) { + return data === 'true' || + data === 'True' || + data === 'TRUE'; +} + +function isBoolean(object) { + return Object.prototype.toString.call(object) === '[object Boolean]'; +} + +var bool = new type('tag:yaml.org,2002:bool', { + kind: 'scalar', + resolve: resolveYamlBoolean, + construct: constructYamlBoolean, + predicate: isBoolean, + represent: { + lowercase: function (object) { return object ? 'true' : 'false'; }, + uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; }, + camelcase: function (object) { return object ? 'True' : 'False'; } + }, + defaultStyle: 'lowercase' +}); + +function isHexCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) || + ((0x41/* A */ <= c) && (c <= 0x46/* F */)) || + ((0x61/* a */ <= c) && (c <= 0x66/* f */)); +} + +function isOctCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */)); +} + +function isDecCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)); +} + +function resolveYamlInteger(data) { + if (data === null) return false; + + var max = data.length, + index = 0, + hasDigits = false, + ch; + + if (!max) return false; + + ch = data[index]; + + // sign + if (ch === '-' || ch === '+') { + ch = data[++index]; + } + + if (ch === '0') { + // 0 + if (index + 1 === max) return true; + ch = data[++index]; + + // base 2, base 8, base 16 + + if (ch === 'b') { + // base 2 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (ch !== '0' && ch !== '1') return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'x') { + // base 16 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isHexCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'o') { + // base 8 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isOctCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + } + + // base 10 (except 0) + + // value should not start with `_`; + if (ch === '_') return false; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isDecCode(data.charCodeAt(index))) { + return false; + } + hasDigits = true; + } + + // Should have digits and should not end with `_` + if (!hasDigits || ch === '_') return false; + + return true; +} + +function constructYamlInteger(data) { + var value = data, sign = 1, ch; + + if (value.indexOf('_') !== -1) { + value = value.replace(/_/g, ''); + } + + ch = value[0]; + + if (ch === '-' || ch === '+') { + if (ch === '-') sign = -1; + value = value.slice(1); + ch = value[0]; + } + + if (value === '0') return 0; + + if (ch === '0') { + if (value[1] === 'b') return sign * parseInt(value.slice(2), 2); + if (value[1] === 'x') return sign * parseInt(value.slice(2), 16); + if (value[1] === 'o') return sign * parseInt(value.slice(2), 8); + } + + return sign * parseInt(value, 10); +} + +function isInteger(object) { + return (Object.prototype.toString.call(object)) === '[object Number]' && + (object % 1 === 0 && !common.isNegativeZero(object)); +} + +var int = new type('tag:yaml.org,2002:int', { + kind: 'scalar', + resolve: resolveYamlInteger, + construct: constructYamlInteger, + predicate: isInteger, + represent: { + binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); }, + octal: function (obj) { return obj >= 0 ? '0o' + obj.toString(8) : '-0o' + obj.toString(8).slice(1); }, + decimal: function (obj) { return obj.toString(10); }, + /* eslint-disable max-len */ + hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); } + }, + defaultStyle: 'decimal', + styleAliases: { + binary: [ 2, 'bin' ], + octal: [ 8, 'oct' ], + decimal: [ 10, 'dec' ], + hexadecimal: [ 16, 'hex' ] + } +}); + +var YAML_FLOAT_PATTERN = new RegExp( + // 2.5e4, 2.5 and integers + '^(?:[-+]?(?:[0-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' + + // .2e4, .2 + // special case, seems not from spec + '|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' + + // .inf + '|[-+]?\\.(?:inf|Inf|INF)' + + // .nan + '|\\.(?:nan|NaN|NAN))$'); + +function resolveYamlFloat(data) { + if (data === null) return false; + + if (!YAML_FLOAT_PATTERN.test(data) || + // Quick hack to not allow integers end with `_` + // Probably should update regexp & check speed + data[data.length - 1] === '_') { + return false; + } + + return true; +} + +function constructYamlFloat(data) { + var value, sign; + + value = data.replace(/_/g, '').toLowerCase(); + sign = value[0] === '-' ? -1 : 1; + + if ('+-'.indexOf(value[0]) >= 0) { + value = value.slice(1); + } + + if (value === '.inf') { + return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY; + + } else if (value === '.nan') { + return NaN; + } + return sign * parseFloat(value, 10); +} + + +var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/; + +function representYamlFloat(object, style) { + var res; + + if (isNaN(object)) { + switch (style) { + case 'lowercase': return '.nan'; + case 'uppercase': return '.NAN'; + case 'camelcase': return '.NaN'; + } + } else if (Number.POSITIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '.inf'; + case 'uppercase': return '.INF'; + case 'camelcase': return '.Inf'; + } + } else if (Number.NEGATIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '-.inf'; + case 'uppercase': return '-.INF'; + case 'camelcase': return '-.Inf'; + } + } else if (common.isNegativeZero(object)) { + return '-0.0'; + } + + res = object.toString(10); + + // JS stringifier can build scientific format without dots: 5e-100, + // while YAML requres dot: 5.e-100. Fix it with simple hack + + return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res; +} + +function isFloat(object) { + return (Object.prototype.toString.call(object) === '[object Number]') && + (object % 1 !== 0 || common.isNegativeZero(object)); +} + +var float = new type('tag:yaml.org,2002:float', { + kind: 'scalar', + resolve: resolveYamlFloat, + construct: constructYamlFloat, + predicate: isFloat, + represent: representYamlFloat, + defaultStyle: 'lowercase' +}); + +var json = failsafe.extend({ + implicit: [ + _null, + bool, + int, + float + ] +}); + +var core = json; + +var YAML_DATE_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9])' + // [2] month + '-([0-9][0-9])$'); // [3] day + +var YAML_TIMESTAMP_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9]?)' + // [2] month + '-([0-9][0-9]?)' + // [3] day + '(?:[Tt]|[ \\t]+)' + // ... + '([0-9][0-9]?)' + // [4] hour + ':([0-9][0-9])' + // [5] minute + ':([0-9][0-9])' + // [6] second + '(?:\\.([0-9]*))?' + // [7] fraction + '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour + '(?::([0-9][0-9]))?))?$'); // [11] tz_minute + +function resolveYamlTimestamp(data) { + if (data === null) return false; + if (YAML_DATE_REGEXP.exec(data) !== null) return true; + if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true; + return false; +} + +function constructYamlTimestamp(data) { + var match, year, month, day, hour, minute, second, fraction = 0, + delta = null, tz_hour, tz_minute, date; + + match = YAML_DATE_REGEXP.exec(data); + if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data); + + if (match === null) throw new Error('Date resolve error'); + + // match: [1] year [2] month [3] day + + year = +(match[1]); + month = +(match[2]) - 1; // JS month starts with 0 + day = +(match[3]); + + if (!match[4]) { // no hour + return new Date(Date.UTC(year, month, day)); + } + + // match: [4] hour [5] minute [6] second [7] fraction + + hour = +(match[4]); + minute = +(match[5]); + second = +(match[6]); + + if (match[7]) { + fraction = match[7].slice(0, 3); + while (fraction.length < 3) { // milli-seconds + fraction += '0'; + } + fraction = +fraction; + } + + // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute + + if (match[9]) { + tz_hour = +(match[10]); + tz_minute = +(match[11] || 0); + delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds + if (match[9] === '-') delta = -delta; + } + + date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction)); + + if (delta) date.setTime(date.getTime() - delta); + + return date; +} + +function representYamlTimestamp(object /*, style*/) { + return object.toISOString(); +} + +var timestamp = new type('tag:yaml.org,2002:timestamp', { + kind: 'scalar', + resolve: resolveYamlTimestamp, + construct: constructYamlTimestamp, + instanceOf: Date, + represent: representYamlTimestamp +}); + +function resolveYamlMerge(data) { + return data === '<<' || data === null; +} + +var merge = new type('tag:yaml.org,2002:merge', { + kind: 'scalar', + resolve: resolveYamlMerge +}); + +/*eslint-disable no-bitwise*/ + + + + + +// [ 64, 65, 66 ] -> [ padding, CR, LF ] +var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r'; + + +function resolveYamlBinary(data) { + if (data === null) return false; + + var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP; + + // Convert one by one. + for (idx = 0; idx < max; idx++) { + code = map.indexOf(data.charAt(idx)); + + // Skip CR/LF + if (code > 64) continue; + + // Fail on illegal characters + if (code < 0) return false; + + bitlen += 6; + } + + // If there are any bits left, source was corrupted + return (bitlen % 8) === 0; +} + +function constructYamlBinary(data) { + var idx, tailbits, + input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan + max = input.length, + map = BASE64_MAP, + bits = 0, + result = []; + + // Collect by 6*4 bits (3 bytes) + + for (idx = 0; idx < max; idx++) { + if ((idx % 4 === 0) && idx) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } + + bits = (bits << 6) | map.indexOf(input.charAt(idx)); + } + + // Dump tail + + tailbits = (max % 4) * 6; + + if (tailbits === 0) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } else if (tailbits === 18) { + result.push((bits >> 10) & 0xFF); + result.push((bits >> 2) & 0xFF); + } else if (tailbits === 12) { + result.push((bits >> 4) & 0xFF); + } + + return new Uint8Array(result); +} + +function representYamlBinary(object /*, style*/) { + var result = '', bits = 0, idx, tail, + max = object.length, + map = BASE64_MAP; + + // Convert every three bytes to 4 ASCII characters. + + for (idx = 0; idx < max; idx++) { + if ((idx % 3 === 0) && idx) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } + + bits = (bits << 8) + object[idx]; + } + + // Dump tail + + tail = max % 3; + + if (tail === 0) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } else if (tail === 2) { + result += map[(bits >> 10) & 0x3F]; + result += map[(bits >> 4) & 0x3F]; + result += map[(bits << 2) & 0x3F]; + result += map[64]; + } else if (tail === 1) { + result += map[(bits >> 2) & 0x3F]; + result += map[(bits << 4) & 0x3F]; + result += map[64]; + result += map[64]; + } + + return result; +} + +function isBinary(obj) { + return Object.prototype.toString.call(obj) === '[object Uint8Array]'; +} + +var binary = new type('tag:yaml.org,2002:binary', { + kind: 'scalar', + resolve: resolveYamlBinary, + construct: constructYamlBinary, + predicate: isBinary, + represent: representYamlBinary +}); + +var _hasOwnProperty$3 = Object.prototype.hasOwnProperty; +var _toString$2 = Object.prototype.toString; + +function resolveYamlOmap(data) { + if (data === null) return true; + + var objectKeys = [], index, length, pair, pairKey, pairHasKey, + object = data; + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + pairHasKey = false; + + if (_toString$2.call(pair) !== '[object Object]') return false; + + for (pairKey in pair) { + if (_hasOwnProperty$3.call(pair, pairKey)) { + if (!pairHasKey) pairHasKey = true; + else return false; + } + } + + if (!pairHasKey) return false; + + if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey); + else return false; + } + + return true; +} + +function constructYamlOmap(data) { + return data !== null ? data : []; +} + +var omap = new type('tag:yaml.org,2002:omap', { + kind: 'sequence', + resolve: resolveYamlOmap, + construct: constructYamlOmap +}); + +var _toString$1 = Object.prototype.toString; + +function resolveYamlPairs(data) { + if (data === null) return true; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + if (_toString$1.call(pair) !== '[object Object]') return false; + + keys = Object.keys(pair); + + if (keys.length !== 1) return false; + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return true; +} + +function constructYamlPairs(data) { + if (data === null) return []; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + keys = Object.keys(pair); + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return result; +} + +var pairs = new type('tag:yaml.org,2002:pairs', { + kind: 'sequence', + resolve: resolveYamlPairs, + construct: constructYamlPairs +}); + +var _hasOwnProperty$2 = Object.prototype.hasOwnProperty; + +function resolveYamlSet(data) { + if (data === null) return true; + + var key, object = data; + + for (key in object) { + if (_hasOwnProperty$2.call(object, key)) { + if (object[key] !== null) return false; + } + } + + return true; +} + +function constructYamlSet(data) { + return data !== null ? data : {}; +} + +var set = new type('tag:yaml.org,2002:set', { + kind: 'mapping', + resolve: resolveYamlSet, + construct: constructYamlSet +}); + +var _default = core.extend({ + implicit: [ + timestamp, + merge + ], + explicit: [ + binary, + omap, + pairs, + set + ] +}); + +/*eslint-disable max-len,no-use-before-define*/ + + + + + + + +var _hasOwnProperty$1 = Object.prototype.hasOwnProperty; + + +var CONTEXT_FLOW_IN = 1; +var CONTEXT_FLOW_OUT = 2; +var CONTEXT_BLOCK_IN = 3; +var CONTEXT_BLOCK_OUT = 4; + + +var CHOMPING_CLIP = 1; +var CHOMPING_STRIP = 2; +var CHOMPING_KEEP = 3; + + +var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/; +var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/; +var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/; +var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i; +var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i; + + +function _class(obj) { return Object.prototype.toString.call(obj); } + +function is_EOL(c) { + return (c === 0x0A/* LF */) || (c === 0x0D/* CR */); +} + +function is_WHITE_SPACE(c) { + return (c === 0x09/* Tab */) || (c === 0x20/* Space */); +} + +function is_WS_OR_EOL(c) { + return (c === 0x09/* Tab */) || + (c === 0x20/* Space */) || + (c === 0x0A/* LF */) || + (c === 0x0D/* CR */); +} + +function is_FLOW_INDICATOR(c) { + return c === 0x2C/* , */ || + c === 0x5B/* [ */ || + c === 0x5D/* ] */ || + c === 0x7B/* { */ || + c === 0x7D/* } */; +} + +function fromHexCode(c) { + var lc; + + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + /*eslint-disable no-bitwise*/ + lc = c | 0x20; + + if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) { + return lc - 0x61 + 10; + } + + return -1; +} + +function escapedHexLen(c) { + if (c === 0x78/* x */) { return 2; } + if (c === 0x75/* u */) { return 4; } + if (c === 0x55/* U */) { return 8; } + return 0; +} + +function fromDecimalCode(c) { + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + return -1; +} + +function simpleEscapeSequence(c) { + /* eslint-disable indent */ + return (c === 0x30/* 0 */) ? '\x00' : + (c === 0x61/* a */) ? '\x07' : + (c === 0x62/* b */) ? '\x08' : + (c === 0x74/* t */) ? '\x09' : + (c === 0x09/* Tab */) ? '\x09' : + (c === 0x6E/* n */) ? '\x0A' : + (c === 0x76/* v */) ? '\x0B' : + (c === 0x66/* f */) ? '\x0C' : + (c === 0x72/* r */) ? '\x0D' : + (c === 0x65/* e */) ? '\x1B' : + (c === 0x20/* Space */) ? ' ' : + (c === 0x22/* " */) ? '\x22' : + (c === 0x2F/* / */) ? '/' : + (c === 0x5C/* \ */) ? '\x5C' : + (c === 0x4E/* N */) ? '\x85' : + (c === 0x5F/* _ */) ? '\xA0' : + (c === 0x4C/* L */) ? '\u2028' : + (c === 0x50/* P */) ? '\u2029' : ''; +} + +function charFromCodepoint(c) { + if (c <= 0xFFFF) { + return String.fromCharCode(c); + } + // Encode UTF-16 surrogate pair + // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF + return String.fromCharCode( + ((c - 0x010000) >> 10) + 0xD800, + ((c - 0x010000) & 0x03FF) + 0xDC00 + ); +} + +// set a property of a literal object, while protecting against prototype pollution, +// see https://github.com/nodeca/js-yaml/issues/164 for more details +function setProperty(object, key, value) { + // used for this specific key only because Object.defineProperty is slow + if (key === '__proto__') { + Object.defineProperty(object, key, { + configurable: true, + enumerable: true, + writable: true, + value: value + }); + } else { + object[key] = value; + } +} + +var simpleEscapeCheck = new Array(256); // integer, for fast access +var simpleEscapeMap = new Array(256); +for (var i = 0; i < 256; i++) { + simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0; + simpleEscapeMap[i] = simpleEscapeSequence(i); +} + + +function State$1(input, options) { + this.input = input; + + this.filename = options['filename'] || null; + this.schema = options['schema'] || _default; + this.onWarning = options['onWarning'] || null; + // (Hidden) Remove? makes the loader to expect YAML 1.1 documents + // if such documents have no explicit %YAML directive + this.legacy = options['legacy'] || false; + + this.json = options['json'] || false; + this.listener = options['listener'] || null; + + this.implicitTypes = this.schema.compiledImplicit; + this.typeMap = this.schema.compiledTypeMap; + + this.length = input.length; + this.position = 0; + this.line = 0; + this.lineStart = 0; + this.lineIndent = 0; + + // position of first leading tab in the current line, + // used to make sure there are no tabs in the indentation + this.firstTabInLine = -1; + + this.documents = []; + + /* + this.version; + this.checkLineBreaks; + this.tagMap; + this.anchorMap; + this.tag; + this.anchor; + this.kind; + this.result;*/ + +} + + +function generateError(state, message) { + var mark = { + name: state.filename, + buffer: state.input.slice(0, -1), // omit trailing \0 + position: state.position, + line: state.line, + column: state.position - state.lineStart + }; + + mark.snippet = snippet(mark); + + return new exception(message, mark); +} + +function throwError(state, message) { + throw generateError(state, message); +} + +function throwWarning(state, message) { + if (state.onWarning) { + state.onWarning.call(null, generateError(state, message)); + } +} + + +var directiveHandlers = { + + YAML: function handleYamlDirective(state, name, args) { + + var match, major, minor; + + if (state.version !== null) { + throwError(state, 'duplication of %YAML directive'); + } + + if (args.length !== 1) { + throwError(state, 'YAML directive accepts exactly one argument'); + } + + match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]); + + if (match === null) { + throwError(state, 'ill-formed argument of the YAML directive'); + } + + major = parseInt(match[1], 10); + minor = parseInt(match[2], 10); + + if (major !== 1) { + throwError(state, 'unacceptable YAML version of the document'); + } + + state.version = args[0]; + state.checkLineBreaks = (minor < 2); + + if (minor !== 1 && minor !== 2) { + throwWarning(state, 'unsupported YAML version of the document'); + } + }, + + TAG: function handleTagDirective(state, name, args) { + + var handle, prefix; + + if (args.length !== 2) { + throwError(state, 'TAG directive accepts exactly two arguments'); + } + + handle = args[0]; + prefix = args[1]; + + if (!PATTERN_TAG_HANDLE.test(handle)) { + throwError(state, 'ill-formed tag handle (first argument) of the TAG directive'); + } + + if (_hasOwnProperty$1.call(state.tagMap, handle)) { + throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle'); + } + + if (!PATTERN_TAG_URI.test(prefix)) { + throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive'); + } + + try { + prefix = decodeURIComponent(prefix); + } catch (err) { + throwError(state, 'tag prefix is malformed: ' + prefix); + } + + state.tagMap[handle] = prefix; + } +}; + + +function captureSegment(state, start, end, checkJson) { + var _position, _length, _character, _result; + + if (start < end) { + _result = state.input.slice(start, end); + + if (checkJson) { + for (_position = 0, _length = _result.length; _position < _length; _position += 1) { + _character = _result.charCodeAt(_position); + if (!(_character === 0x09 || + (0x20 <= _character && _character <= 0x10FFFF))) { + throwError(state, 'expected valid JSON character'); + } + } + } else if (PATTERN_NON_PRINTABLE.test(_result)) { + throwError(state, 'the stream contains non-printable characters'); + } + + state.result += _result; + } +} + +function mergeMappings(state, destination, source, overridableKeys) { + var sourceKeys, key, index, quantity; + + if (!common.isObject(source)) { + throwError(state, 'cannot merge mappings; the provided source object is unacceptable'); + } + + sourceKeys = Object.keys(source); + + for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) { + key = sourceKeys[index]; + + if (!_hasOwnProperty$1.call(destination, key)) { + setProperty(destination, key, source[key]); + overridableKeys[key] = true; + } + } +} + +function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, + startLine, startLineStart, startPos) { + + var index, quantity; + + // The output is a plain object here, so keys can only be strings. + // We need to convert keyNode to a string, but doing so can hang the process + // (deeply nested arrays that explode exponentially using aliases). + if (Array.isArray(keyNode)) { + keyNode = Array.prototype.slice.call(keyNode); + + for (index = 0, quantity = keyNode.length; index < quantity; index += 1) { + if (Array.isArray(keyNode[index])) { + throwError(state, 'nested arrays are not supported inside keys'); + } + + if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') { + keyNode[index] = '[object Object]'; + } + } + } + + // Avoid code execution in load() via toString property + // (still use its own toString for arrays, timestamps, + // and whatever user schema extensions happen to have @@toStringTag) + if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') { + keyNode = '[object Object]'; + } + + + keyNode = String(keyNode); + + if (_result === null) { + _result = {}; + } + + if (keyTag === 'tag:yaml.org,2002:merge') { + if (Array.isArray(valueNode)) { + for (index = 0, quantity = valueNode.length; index < quantity; index += 1) { + mergeMappings(state, _result, valueNode[index], overridableKeys); + } + } else { + mergeMappings(state, _result, valueNode, overridableKeys); + } + } else { + if (!state.json && + !_hasOwnProperty$1.call(overridableKeys, keyNode) && + _hasOwnProperty$1.call(_result, keyNode)) { + state.line = startLine || state.line; + state.lineStart = startLineStart || state.lineStart; + state.position = startPos || state.position; + throwError(state, 'duplicated mapping key'); + } + + setProperty(_result, keyNode, valueNode); + delete overridableKeys[keyNode]; + } + + return _result; +} + +function readLineBreak(state) { + var ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x0A/* LF */) { + state.position++; + } else if (ch === 0x0D/* CR */) { + state.position++; + if (state.input.charCodeAt(state.position) === 0x0A/* LF */) { + state.position++; + } + } else { + throwError(state, 'a line break is expected'); + } + + state.line += 1; + state.lineStart = state.position; + state.firstTabInLine = -1; +} + +function skipSeparationSpace(state, allowComments, checkIndent) { + var lineBreaks = 0, + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) { + state.firstTabInLine = state.position; + } + ch = state.input.charCodeAt(++state.position); + } + + if (allowComments && ch === 0x23/* # */) { + do { + ch = state.input.charCodeAt(++state.position); + } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0); + } + + if (is_EOL(ch)) { + readLineBreak(state); + + ch = state.input.charCodeAt(state.position); + lineBreaks++; + state.lineIndent = 0; + + while (ch === 0x20/* Space */) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + } else { + break; + } + } + + if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) { + throwWarning(state, 'deficient indentation'); + } + + return lineBreaks; +} + +function testDocumentSeparator(state) { + var _position = state.position, + ch; + + ch = state.input.charCodeAt(_position); + + // Condition state.position === state.lineStart is tested + // in parent on each call, for efficiency. No needs to test here again. + if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) && + ch === state.input.charCodeAt(_position + 1) && + ch === state.input.charCodeAt(_position + 2)) { + + _position += 3; + + ch = state.input.charCodeAt(_position); + + if (ch === 0 || is_WS_OR_EOL(ch)) { + return true; + } + } + + return false; +} + +function writeFoldedLines(state, count) { + if (count === 1) { + state.result += ' '; + } else if (count > 1) { + state.result += common.repeat('\n', count - 1); + } +} + + +function readPlainScalar(state, nodeIndent, withinFlowCollection) { + var preceding, + following, + captureStart, + captureEnd, + hasPendingContent, + _line, + _lineStart, + _lineIndent, + _kind = state.kind, + _result = state.result, + ch; + + ch = state.input.charCodeAt(state.position); + + if (is_WS_OR_EOL(ch) || + is_FLOW_INDICATOR(ch) || + ch === 0x23/* # */ || + ch === 0x26/* & */ || + ch === 0x2A/* * */ || + ch === 0x21/* ! */ || + ch === 0x7C/* | */ || + ch === 0x3E/* > */ || + ch === 0x27/* ' */ || + ch === 0x22/* " */ || + ch === 0x25/* % */ || + ch === 0x40/* @ */ || + ch === 0x60/* ` */) { + return false; + } + + if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + return false; + } + } + + state.kind = 'scalar'; + state.result = ''; + captureStart = captureEnd = state.position; + hasPendingContent = false; + + while (ch !== 0) { + if (ch === 0x3A/* : */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + break; + } + + } else if (ch === 0x23/* # */) { + preceding = state.input.charCodeAt(state.position - 1); + + if (is_WS_OR_EOL(preceding)) { + break; + } + + } else if ((state.position === state.lineStart && testDocumentSeparator(state)) || + withinFlowCollection && is_FLOW_INDICATOR(ch)) { + break; + + } else if (is_EOL(ch)) { + _line = state.line; + _lineStart = state.lineStart; + _lineIndent = state.lineIndent; + skipSeparationSpace(state, false, -1); + + if (state.lineIndent >= nodeIndent) { + hasPendingContent = true; + ch = state.input.charCodeAt(state.position); + continue; + } else { + state.position = captureEnd; + state.line = _line; + state.lineStart = _lineStart; + state.lineIndent = _lineIndent; + break; + } + } + + if (hasPendingContent) { + captureSegment(state, captureStart, captureEnd, false); + writeFoldedLines(state, state.line - _line); + captureStart = captureEnd = state.position; + hasPendingContent = false; + } + + if (!is_WHITE_SPACE(ch)) { + captureEnd = state.position + 1; + } + + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, captureEnd, false); + + if (state.result) { + return true; + } + + state.kind = _kind; + state.result = _result; + return false; +} + +function readSingleQuotedScalar(state, nodeIndent) { + var ch, + captureStart, captureEnd; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x27/* ' */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x27/* ' */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x27/* ' */) { + captureStart = state.position; + state.position++; + captureEnd = state.position; + } else { + return true; + } + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a single quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a single quoted scalar'); +} + +function readDoubleQuotedScalar(state, nodeIndent) { + var captureStart, + captureEnd, + hexLength, + hexResult, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x22/* " */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x22/* " */) { + captureSegment(state, captureStart, state.position, true); + state.position++; + return true; + + } else if (ch === 0x5C/* \ */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (is_EOL(ch)) { + skipSeparationSpace(state, false, nodeIndent); + + // TODO: rework to inline fn with no type cast? + } else if (ch < 256 && simpleEscapeCheck[ch]) { + state.result += simpleEscapeMap[ch]; + state.position++; + + } else if ((tmp = escapedHexLen(ch)) > 0) { + hexLength = tmp; + hexResult = 0; + + for (; hexLength > 0; hexLength--) { + ch = state.input.charCodeAt(++state.position); + + if ((tmp = fromHexCode(ch)) >= 0) { + hexResult = (hexResult << 4) + tmp; + + } else { + throwError(state, 'expected hexadecimal character'); + } + } + + state.result += charFromCodepoint(hexResult); + + state.position++; + + } else { + throwError(state, 'unknown escape sequence'); + } + + captureStart = captureEnd = state.position; + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a double quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a double quoted scalar'); +} + +function readFlowCollection(state, nodeIndent) { + var readNext = true, + _line, + _lineStart, + _pos, + _tag = state.tag, + _result, + _anchor = state.anchor, + following, + terminator, + isPair, + isExplicitPair, + isMapping, + overridableKeys = Object.create(null), + keyNode, + keyTag, + valueNode, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x5B/* [ */) { + terminator = 0x5D;/* ] */ + isMapping = false; + _result = []; + } else if (ch === 0x7B/* { */) { + terminator = 0x7D;/* } */ + isMapping = true; + _result = {}; + } else { + return false; + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(++state.position); + + while (ch !== 0) { + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === terminator) { + state.position++; + state.tag = _tag; + state.anchor = _anchor; + state.kind = isMapping ? 'mapping' : 'sequence'; + state.result = _result; + return true; + } else if (!readNext) { + throwError(state, 'missed comma between flow collection entries'); + } else if (ch === 0x2C/* , */) { + // "flow collection entries can never be completely empty", as per YAML 1.2, section 7.4 + throwError(state, "expected the node content, but found ','"); + } + + keyTag = keyNode = valueNode = null; + isPair = isExplicitPair = false; + + if (ch === 0x3F/* ? */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following)) { + isPair = isExplicitPair = true; + state.position++; + skipSeparationSpace(state, true, nodeIndent); + } + } + + _line = state.line; // Save the current line. + _lineStart = state.lineStart; + _pos = state.position; + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + keyTag = state.tag; + keyNode = state.result; + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) { + isPair = true; + ch = state.input.charCodeAt(++state.position); + skipSeparationSpace(state, true, nodeIndent); + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + valueNode = state.result; + } + + if (isMapping) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos); + } else if (isPair) { + _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos)); + } else { + _result.push(keyNode); + } + + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x2C/* , */) { + readNext = true; + ch = state.input.charCodeAt(++state.position); + } else { + readNext = false; + } + } + + throwError(state, 'unexpected end of the stream within a flow collection'); +} + +function readBlockScalar(state, nodeIndent) { + var captureStart, + folding, + chomping = CHOMPING_CLIP, + didReadContent = false, + detectedIndent = false, + textIndent = nodeIndent, + emptyLines = 0, + atMoreIndented = false, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x7C/* | */) { + folding = false; + } else if (ch === 0x3E/* > */) { + folding = true; + } else { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + + while (ch !== 0) { + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x2B/* + */ || ch === 0x2D/* - */) { + if (CHOMPING_CLIP === chomping) { + chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP; + } else { + throwError(state, 'repeat of a chomping mode identifier'); + } + + } else if ((tmp = fromDecimalCode(ch)) >= 0) { + if (tmp === 0) { + throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one'); + } else if (!detectedIndent) { + textIndent = nodeIndent + tmp - 1; + detectedIndent = true; + } else { + throwError(state, 'repeat of an indentation width identifier'); + } + + } else { + break; + } + } + + if (is_WHITE_SPACE(ch)) { + do { ch = state.input.charCodeAt(++state.position); } + while (is_WHITE_SPACE(ch)); + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (!is_EOL(ch) && (ch !== 0)); + } + } + + while (ch !== 0) { + readLineBreak(state); + state.lineIndent = 0; + + ch = state.input.charCodeAt(state.position); + + while ((!detectedIndent || state.lineIndent < textIndent) && + (ch === 0x20/* Space */)) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + + if (!detectedIndent && state.lineIndent > textIndent) { + textIndent = state.lineIndent; + } + + if (is_EOL(ch)) { + emptyLines++; + continue; + } + + // End of the scalar. + if (state.lineIndent < textIndent) { + + // Perform the chomping. + if (chomping === CHOMPING_KEEP) { + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } else if (chomping === CHOMPING_CLIP) { + if (didReadContent) { // i.e. only if the scalar is not empty. + state.result += '\n'; + } + } + + // Break this `while` cycle and go to the funciton's epilogue. + break; + } + + // Folded style: use fancy rules to handle line breaks. + if (folding) { + + // Lines starting with white space characters (more-indented lines) are not folded. + if (is_WHITE_SPACE(ch)) { + atMoreIndented = true; + // except for the first content line (cf. Example 8.1) + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + + // End of more-indented block. + } else if (atMoreIndented) { + atMoreIndented = false; + state.result += common.repeat('\n', emptyLines + 1); + + // Just one line break - perceive as the same line. + } else if (emptyLines === 0) { + if (didReadContent) { // i.e. only if we have already read some scalar content. + state.result += ' '; + } + + // Several line breaks - perceive as different lines. + } else { + state.result += common.repeat('\n', emptyLines); + } + + // Literal style: just add exact number of line breaks between content lines. + } else { + // Keep all line breaks except the header line break. + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } + + didReadContent = true; + detectedIndent = true; + emptyLines = 0; + captureStart = state.position; + + while (!is_EOL(ch) && (ch !== 0)) { + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, state.position, false); + } + + return true; +} + +function readBlockSequence(state, nodeIndent) { + var _line, + _tag = state.tag, + _anchor = state.anchor, + _result = [], + following, + detected = false, + ch; + + // there is a leading tab before this token, so it can't be a block sequence/mapping; + // it can still be flow sequence/mapping or a scalar + if (state.firstTabInLine !== -1) return false; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + if (state.firstTabInLine !== -1) { + state.position = state.firstTabInLine; + throwError(state, 'tab characters must not be used in indentation'); + } + + if (ch !== 0x2D/* - */) { + break; + } + + following = state.input.charCodeAt(state.position + 1); + + if (!is_WS_OR_EOL(following)) { + break; + } + + detected = true; + state.position++; + + if (skipSeparationSpace(state, true, -1)) { + if (state.lineIndent <= nodeIndent) { + _result.push(null); + ch = state.input.charCodeAt(state.position); + continue; + } + } + + _line = state.line; + composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true); + _result.push(state.result); + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a sequence entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'sequence'; + state.result = _result; + return true; + } + return false; +} + +function readBlockMapping(state, nodeIndent, flowIndent) { + var following, + allowCompact, + _line, + _keyLine, + _keyLineStart, + _keyPos, + _tag = state.tag, + _anchor = state.anchor, + _result = {}, + overridableKeys = Object.create(null), + keyTag = null, + keyNode = null, + valueNode = null, + atExplicitKey = false, + detected = false, + ch; + + // there is a leading tab before this token, so it can't be a block sequence/mapping; + // it can still be flow sequence/mapping or a scalar + if (state.firstTabInLine !== -1) return false; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + if (!atExplicitKey && state.firstTabInLine !== -1) { + state.position = state.firstTabInLine; + throwError(state, 'tab characters must not be used in indentation'); + } + + following = state.input.charCodeAt(state.position + 1); + _line = state.line; // Save the current line. + + // + // Explicit notation case. There are two separate blocks: + // first for the key (denoted by "?") and second for the value (denoted by ":") + // + if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) { + + if (ch === 0x3F/* ? */) { + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = true; + allowCompact = true; + + } else if (atExplicitKey) { + // i.e. 0x3A/* : */ === character after the explicit key. + atExplicitKey = false; + allowCompact = true; + + } else { + throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line'); + } + + state.position += 1; + ch = following; + + // + // Implicit notation case. Flow-style node as the key first, then ":", and the value. + // + } else { + _keyLine = state.line; + _keyLineStart = state.lineStart; + _keyPos = state.position; + + if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) { + // Neither implicit nor explicit notation. + // Reading is done. Go to the epilogue. + break; + } + + if (state.line === _line) { + ch = state.input.charCodeAt(state.position); + + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x3A/* : */) { + ch = state.input.charCodeAt(++state.position); + + if (!is_WS_OR_EOL(ch)) { + throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping'); + } + + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = false; + allowCompact = false; + keyTag = state.tag; + keyNode = state.result; + + } else if (detected) { + throwError(state, 'can not read an implicit mapping pair; a colon is missed'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + + } else if (detected) { + throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + } + + // + // Common reading code for both explicit and implicit notations. + // + if (state.line === _line || state.lineIndent > nodeIndent) { + if (atExplicitKey) { + _keyLine = state.line; + _keyLineStart = state.lineStart; + _keyPos = state.position; + } + + if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) { + if (atExplicitKey) { + keyNode = state.result; + } else { + valueNode = state.result; + } + } + + if (!atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + skipSeparationSpace(state, true, -1); + ch = state.input.charCodeAt(state.position); + } + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a mapping entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + // + // Epilogue. + // + + // Special case: last mapping's node contains only the key in explicit notation. + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + } + + // Expose the resulting mapping. + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'mapping'; + state.result = _result; + } + + return detected; +} + +function readTagProperty(state) { + var _position, + isVerbatim = false, + isNamed = false, + tagHandle, + tagName, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x21/* ! */) return false; + + if (state.tag !== null) { + throwError(state, 'duplication of a tag property'); + } + + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x3C/* < */) { + isVerbatim = true; + ch = state.input.charCodeAt(++state.position); + + } else if (ch === 0x21/* ! */) { + isNamed = true; + tagHandle = '!!'; + ch = state.input.charCodeAt(++state.position); + + } else { + tagHandle = '!'; + } + + _position = state.position; + + if (isVerbatim) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && ch !== 0x3E/* > */); + + if (state.position < state.length) { + tagName = state.input.slice(_position, state.position); + ch = state.input.charCodeAt(++state.position); + } else { + throwError(state, 'unexpected end of the stream within a verbatim tag'); + } + } else { + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + + if (ch === 0x21/* ! */) { + if (!isNamed) { + tagHandle = state.input.slice(_position - 1, state.position + 1); + + if (!PATTERN_TAG_HANDLE.test(tagHandle)) { + throwError(state, 'named tag handle cannot contain such characters'); + } + + isNamed = true; + _position = state.position + 1; + } else { + throwError(state, 'tag suffix cannot contain exclamation marks'); + } + } + + ch = state.input.charCodeAt(++state.position); + } + + tagName = state.input.slice(_position, state.position); + + if (PATTERN_FLOW_INDICATORS.test(tagName)) { + throwError(state, 'tag suffix cannot contain flow indicator characters'); + } + } + + if (tagName && !PATTERN_TAG_URI.test(tagName)) { + throwError(state, 'tag name cannot contain such characters: ' + tagName); + } + + try { + tagName = decodeURIComponent(tagName); + } catch (err) { + throwError(state, 'tag name is malformed: ' + tagName); + } + + if (isVerbatim) { + state.tag = tagName; + + } else if (_hasOwnProperty$1.call(state.tagMap, tagHandle)) { + state.tag = state.tagMap[tagHandle] + tagName; + + } else if (tagHandle === '!') { + state.tag = '!' + tagName; + + } else if (tagHandle === '!!') { + state.tag = 'tag:yaml.org,2002:' + tagName; + + } else { + throwError(state, 'undeclared tag handle "' + tagHandle + '"'); + } + + return true; +} + +function readAnchorProperty(state) { + var _position, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x26/* & */) return false; + + if (state.anchor !== null) { + throwError(state, 'duplication of an anchor property'); + } + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an anchor node must contain at least one character'); + } + + state.anchor = state.input.slice(_position, state.position); + return true; +} + +function readAlias(state) { + var _position, alias, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x2A/* * */) return false; + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an alias node must contain at least one character'); + } + + alias = state.input.slice(_position, state.position); + + if (!_hasOwnProperty$1.call(state.anchorMap, alias)) { + throwError(state, 'unidentified alias "' + alias + '"'); + } + + state.result = state.anchorMap[alias]; + skipSeparationSpace(state, true, -1); + return true; +} + +function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) { + var allowBlockStyles, + allowBlockScalars, + allowBlockCollections, + indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } + } + + if (indentStatus === 1) { + while (readTagProperty(state) || readAnchorProperty(state)) { + if (skipSeparationSpace(state, true, -1)) { + atNewLine = true; + allowBlockCollections = allowBlockStyles; + + if (state.lineIndent > parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } else { + allowBlockCollections = false; + } + } + } + + if (allowBlockCollections) { + allowBlockCollections = atNewLine || allowCompact; + } + + if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) { + if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) { + flowIndent = parentIndent; + } else { + flowIndent = parentIndent + 1; + } + + blockIndent = state.position - state.lineStart; + + if (indentStatus === 1) { + if (allowBlockCollections && + (readBlockSequence(state, blockIndent) || + readBlockMapping(state, blockIndent, flowIndent)) || + readFlowCollection(state, flowIndent)) { + hasContent = true; + } else { + if ((allowBlockScalars && readBlockScalar(state, flowIndent)) || + readSingleQuotedScalar(state, flowIndent) || + readDoubleQuotedScalar(state, flowIndent)) { + hasContent = true; + + } else if (readAlias(state)) { + hasContent = true; + + if (state.tag !== null || state.anchor !== null) { + throwError(state, 'alias node should not have any properties'); + } + + } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) { + hasContent = true; + + if (state.tag === null) { + state.tag = '?'; + } + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } else if (indentStatus === 0) { + // Special case: block sequences are allowed to have same indentation level as the parent. + // http://www.yaml.org/spec/1.2/spec.html#id2799784 + hasContent = allowBlockCollections && readBlockSequence(state, blockIndent); + } + } + + if (state.tag === null) { + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + + } else if (state.tag === '?') { + // Implicit resolving is not allowed for non-scalar types, and '?' + // non-specific tag is only automatically assigned to plain scalars. + // + // We only need to check kind conformity in case user explicitly assigns '?' + // tag, for example like this: "! [0]" + // + if (state.result !== null && state.kind !== 'scalar') { + throwError(state, 'unacceptable node kind for ! tag; it should be "scalar", not "' + state.kind + '"'); + } + + for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) { + type = state.implicitTypes[typeIndex]; + + if (type.resolve(state.result)) { // `state.result` updated in resolver if matched + state.result = type.construct(state.result); + state.tag = type.tag; + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + break; + } + } + } else if (state.tag !== '!') { + if (_hasOwnProperty$1.call(state.typeMap[state.kind || 'fallback'], state.tag)) { + type = state.typeMap[state.kind || 'fallback'][state.tag]; + } else { + // looking for multi type + type = null; + typeList = state.typeMap.multi[state.kind || 'fallback']; + + for (typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) { + if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) { + type = typeList[typeIndex]; + break; + } + } + } + + if (!type) { + throwError(state, 'unknown tag !<' + state.tag + '>'); + } + + if (state.result !== null && type.kind !== state.kind) { + throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"'); + } + + if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched + throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag'); + } else { + state.result = type.construct(state.result, state.tag); + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } + + if (state.listener !== null) { + state.listener('close', state); + } + return state.tag !== null || state.anchor !== null || hasContent; +} + +function readDocument(state) { + var documentStart = state.position, + _position, + directiveName, + directiveArgs, + hasDirectives = false, + ch; + + state.version = null; + state.checkLineBreaks = state.legacy; + state.tagMap = Object.create(null); + state.anchorMap = Object.create(null); + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if (state.lineIndent > 0 || ch !== 0x25/* % */) { + break; + } + + hasDirectives = true; + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveName = state.input.slice(_position, state.position); + directiveArgs = []; + + if (directiveName.length < 1) { + throwError(state, 'directive name must not be less than one character in length'); + } + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && !is_EOL(ch)); + break; + } + + if (is_EOL(ch)) break; + + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveArgs.push(state.input.slice(_position, state.position)); + } + + if (ch !== 0) readLineBreak(state); + + if (_hasOwnProperty$1.call(directiveHandlers, directiveName)) { + directiveHandlers[directiveName](state, directiveName, directiveArgs); + } else { + throwWarning(state, 'unknown document directive "' + directiveName + '"'); + } + } + + skipSeparationSpace(state, true, -1); + + if (state.lineIndent === 0 && + state.input.charCodeAt(state.position) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 1) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 2) === 0x2D/* - */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + + } else if (hasDirectives) { + throwError(state, 'directives end mark is expected'); + } + + composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true); + skipSeparationSpace(state, true, -1); + + if (state.checkLineBreaks && + PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) { + throwWarning(state, 'non-ASCII line breaks are interpreted as content'); + } + + state.documents.push(state.result); + + if (state.position === state.lineStart && testDocumentSeparator(state)) { + + if (state.input.charCodeAt(state.position) === 0x2E/* . */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + } + return; + } + + if (state.position < (state.length - 1)) { + throwError(state, 'end of the stream or a document separator is expected'); + } else { + return; + } +} + + +function loadDocuments(input, options) { + input = String(input); + options = options || {}; + + if (input.length !== 0) { + + // Add tailing `\n` if not exists + if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ && + input.charCodeAt(input.length - 1) !== 0x0D/* CR */) { + input += '\n'; + } + + // Strip BOM + if (input.charCodeAt(0) === 0xFEFF) { + input = input.slice(1); + } + } + + var state = new State$1(input, options); + + var nullpos = input.indexOf('\0'); + + if (nullpos !== -1) { + state.position = nullpos; + throwError(state, 'null byte is not allowed in input'); + } + + // Use 0 as string terminator. That significantly simplifies bounds check. + state.input += '\0'; + + while (state.input.charCodeAt(state.position) === 0x20/* Space */) { + state.lineIndent += 1; + state.position += 1; + } + + while (state.position < (state.length - 1)) { + readDocument(state); + } + + return state.documents; +} + + +function loadAll$1(input, iterator, options) { + if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') { + options = iterator; + iterator = null; + } + + var documents = loadDocuments(input, options); + + if (typeof iterator !== 'function') { + return documents; + } + + for (var index = 0, length = documents.length; index < length; index += 1) { + iterator(documents[index]); + } +} + + +function load$1(input, options) { + var documents = loadDocuments(input, options); + + if (documents.length === 0) { + /*eslint-disable no-undefined*/ + return undefined; + } else if (documents.length === 1) { + return documents[0]; + } + throw new exception('expected a single document in the stream, but found more'); +} + + +var loadAll_1 = loadAll$1; +var load_1 = load$1; + +var loader = { + loadAll: loadAll_1, + load: load_1 +}; + +/*eslint-disable no-use-before-define*/ + + + + + +var _toString = Object.prototype.toString; +var _hasOwnProperty = Object.prototype.hasOwnProperty; + +var CHAR_BOM = 0xFEFF; +var CHAR_TAB = 0x09; /* Tab */ +var CHAR_LINE_FEED = 0x0A; /* LF */ +var CHAR_CARRIAGE_RETURN = 0x0D; /* CR */ +var CHAR_SPACE = 0x20; /* Space */ +var CHAR_EXCLAMATION = 0x21; /* ! */ +var CHAR_DOUBLE_QUOTE = 0x22; /* " */ +var CHAR_SHARP = 0x23; /* # */ +var CHAR_PERCENT = 0x25; /* % */ +var CHAR_AMPERSAND = 0x26; /* & */ +var CHAR_SINGLE_QUOTE = 0x27; /* ' */ +var CHAR_ASTERISK = 0x2A; /* * */ +var CHAR_COMMA = 0x2C; /* , */ +var CHAR_MINUS = 0x2D; /* - */ +var CHAR_COLON = 0x3A; /* : */ +var CHAR_EQUALS = 0x3D; /* = */ +var CHAR_GREATER_THAN = 0x3E; /* > */ +var CHAR_QUESTION = 0x3F; /* ? */ +var CHAR_COMMERCIAL_AT = 0x40; /* @ */ +var CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */ +var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */ +var CHAR_GRAVE_ACCENT = 0x60; /* ` */ +var CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */ +var CHAR_VERTICAL_LINE = 0x7C; /* | */ +var CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */ + +var ESCAPE_SEQUENCES = {}; + +ESCAPE_SEQUENCES[0x00] = '\\0'; +ESCAPE_SEQUENCES[0x07] = '\\a'; +ESCAPE_SEQUENCES[0x08] = '\\b'; +ESCAPE_SEQUENCES[0x09] = '\\t'; +ESCAPE_SEQUENCES[0x0A] = '\\n'; +ESCAPE_SEQUENCES[0x0B] = '\\v'; +ESCAPE_SEQUENCES[0x0C] = '\\f'; +ESCAPE_SEQUENCES[0x0D] = '\\r'; +ESCAPE_SEQUENCES[0x1B] = '\\e'; +ESCAPE_SEQUENCES[0x22] = '\\"'; +ESCAPE_SEQUENCES[0x5C] = '\\\\'; +ESCAPE_SEQUENCES[0x85] = '\\N'; +ESCAPE_SEQUENCES[0xA0] = '\\_'; +ESCAPE_SEQUENCES[0x2028] = '\\L'; +ESCAPE_SEQUENCES[0x2029] = '\\P'; + +var DEPRECATED_BOOLEANS_SYNTAX = [ + 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', + 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF' +]; + +var DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\.[0-9_]*)?$/; + +function compileStyleMap(schema, map) { + var result, keys, index, length, tag, style, type; + + if (map === null) return {}; + + result = {}; + keys = Object.keys(map); + + for (index = 0, length = keys.length; index < length; index += 1) { + tag = keys[index]; + style = String(map[tag]); + + if (tag.slice(0, 2) === '!!') { + tag = 'tag:yaml.org,2002:' + tag.slice(2); + } + type = schema.compiledTypeMap['fallback'][tag]; + + if (type && _hasOwnProperty.call(type.styleAliases, style)) { + style = type.styleAliases[style]; + } + + result[tag] = style; + } + + return result; +} + +function encodeHex(character) { + var string, handle, length; + + string = character.toString(16).toUpperCase(); + + if (character <= 0xFF) { + handle = 'x'; + length = 2; + } else if (character <= 0xFFFF) { + handle = 'u'; + length = 4; + } else if (character <= 0xFFFFFFFF) { + handle = 'U'; + length = 8; + } else { + throw new exception('code point within a string may not be greater than 0xFFFFFFFF'); + } + + return '\\' + handle + common.repeat('0', length - string.length) + string; +} + + +var QUOTING_TYPE_SINGLE = 1, + QUOTING_TYPE_DOUBLE = 2; + +function State(options) { + this.schema = options['schema'] || _default; + this.indent = Math.max(1, (options['indent'] || 2)); + this.noArrayIndent = options['noArrayIndent'] || false; + this.skipInvalid = options['skipInvalid'] || false; + this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']); + this.styleMap = compileStyleMap(this.schema, options['styles'] || null); + this.sortKeys = options['sortKeys'] || false; + this.lineWidth = options['lineWidth'] || 80; + this.noRefs = options['noRefs'] || false; + this.noCompatMode = options['noCompatMode'] || false; + this.condenseFlow = options['condenseFlow'] || false; + this.quotingType = options['quotingType'] === '"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE; + this.forceQuotes = options['forceQuotes'] || false; + this.replacer = typeof options['replacer'] === 'function' ? options['replacer'] : null; + + this.implicitTypes = this.schema.compiledImplicit; + this.explicitTypes = this.schema.compiledExplicit; + + this.tag = null; + this.result = ''; + + this.duplicates = []; + this.usedDuplicates = null; +} + +// Indents every line in a string. Empty lines (\n only) are not indented. +function indentString(string, spaces) { + var ind = common.repeat(' ', spaces), + position = 0, + next = -1, + result = '', + line, + length = string.length; + + while (position < length) { + next = string.indexOf('\n', position); + if (next === -1) { + line = string.slice(position); + position = length; + } else { + line = string.slice(position, next + 1); + position = next + 1; + } + + if (line.length && line !== '\n') result += ind; + + result += line; + } + + return result; +} + +function generateNextLine(state, level) { + return '\n' + common.repeat(' ', state.indent * level); +} + +function testImplicitResolving(state, str) { + var index, length, type; + + for (index = 0, length = state.implicitTypes.length; index < length; index += 1) { + type = state.implicitTypes[index]; + + if (type.resolve(str)) { + return true; + } + } + + return false; +} + +// [33] s-white ::= s-space | s-tab +function isWhitespace(c) { + return c === CHAR_SPACE || c === CHAR_TAB; +} + +// Returns true if the character can be printed without escaping. +// From YAML 1.2: "any allowed characters known to be non-printable +// should also be escaped. [However,] This isn’t mandatory" +// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029. +function isPrintable(c) { + return (0x00020 <= c && c <= 0x00007E) + || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029) + || ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM) + || (0x10000 <= c && c <= 0x10FFFF); +} + +// [34] ns-char ::= nb-char - s-white +// [27] nb-char ::= c-printable - b-char - c-byte-order-mark +// [26] b-char ::= b-line-feed | b-carriage-return +// Including s-white (for some reason, examples doesn't match specs in this aspect) +// ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark +function isNsCharOrWhitespace(c) { + return isPrintable(c) + && c !== CHAR_BOM + // - b-char + && c !== CHAR_CARRIAGE_RETURN + && c !== CHAR_LINE_FEED; +} + +// [127] ns-plain-safe(c) ::= c = flow-out ⇒ ns-plain-safe-out +// c = flow-in ⇒ ns-plain-safe-in +// c = block-key ⇒ ns-plain-safe-out +// c = flow-key ⇒ ns-plain-safe-in +// [128] ns-plain-safe-out ::= ns-char +// [129] ns-plain-safe-in ::= ns-char - c-flow-indicator +// [130] ns-plain-char(c) ::= ( ns-plain-safe(c) - “:” - “#” ) +// | ( /* An ns-char preceding */ “#” ) +// | ( “:” /* Followed by an ns-plain-safe(c) */ ) +function isPlainSafe(c, prev, inblock) { + var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c); + var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c); + return ( + // ns-plain-safe + inblock ? // c = flow-in + cIsNsCharOrWhitespace + : cIsNsCharOrWhitespace + // - c-flow-indicator + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + ) + // ns-plain-char + && c !== CHAR_SHARP // false on '#' + && !(prev === CHAR_COLON && !cIsNsChar) // false on ': ' + || (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#' + || (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]' +} + +// Simplified test for values allowed as the first character in plain style. +function isPlainSafeFirst(c) { + // Uses a subset of ns-char - c-indicator + // where ns-char = nb-char - s-white. + // No support of ( ( “?” | “:” | “-” ) /* Followed by an ns-plain-safe(c)) */ ) part + return isPrintable(c) && c !== CHAR_BOM + && !isWhitespace(c) // - s-white + // - (c-indicator ::= + // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}” + && c !== CHAR_MINUS + && c !== CHAR_QUESTION + && c !== CHAR_COLON + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + // | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “"” + && c !== CHAR_SHARP + && c !== CHAR_AMPERSAND + && c !== CHAR_ASTERISK + && c !== CHAR_EXCLAMATION + && c !== CHAR_VERTICAL_LINE + && c !== CHAR_EQUALS + && c !== CHAR_GREATER_THAN + && c !== CHAR_SINGLE_QUOTE + && c !== CHAR_DOUBLE_QUOTE + // | “%” | “@” | “`”) + && c !== CHAR_PERCENT + && c !== CHAR_COMMERCIAL_AT + && c !== CHAR_GRAVE_ACCENT; +} + +// Simplified test for values allowed as the last character in plain style. +function isPlainSafeLast(c) { + // just not whitespace or colon, it will be checked to be plain character later + return !isWhitespace(c) && c !== CHAR_COLON; +} + +// Same as 'string'.codePointAt(pos), but works in older browsers. +function codePointAt(string, pos) { + var first = string.charCodeAt(pos), second; + if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) { + second = string.charCodeAt(pos + 1); + if (second >= 0xDC00 && second <= 0xDFFF) { + // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae + return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000; + } + } + return first; +} + +// Determines whether block indentation indicator is required. +function needIndentIndicator(string) { + var leadingSpaceRe = /^\n* /; + return leadingSpaceRe.test(string); +} + +var STYLE_PLAIN = 1, + STYLE_SINGLE = 2, + STYLE_LITERAL = 3, + STYLE_FOLDED = 4, + STYLE_DOUBLE = 5; + +// Determines which scalar styles are possible and returns the preferred style. +// lineWidth = -1 => no limit. +// Pre-conditions: str.length > 0. +// Post-conditions: +// STYLE_PLAIN or STYLE_SINGLE => no \n are in the string. +// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1). +// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1). +function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, + testAmbiguousType, quotingType, forceQuotes, inblock) { + + var i; + var char = 0; + var prevChar = null; + var hasLineBreak = false; + var hasFoldableLine = false; // only checked if shouldTrackWidth + var shouldTrackWidth = lineWidth !== -1; + var previousLineBreak = -1; // count the first line correctly + var plain = isPlainSafeFirst(codePointAt(string, 0)) + && isPlainSafeLast(codePointAt(string, string.length - 1)); + + if (singleLineOnly || forceQuotes) { + // Case: no block styles. + // Check for disallowed characters to rule out plain and single. + for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char, prevChar, inblock); + prevChar = char; + } + } else { + // Case: block styles permitted. + for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + if (char === CHAR_LINE_FEED) { + hasLineBreak = true; + // Check if any line can be folded. + if (shouldTrackWidth) { + hasFoldableLine = hasFoldableLine || + // Foldable line = too long, and not more-indented. + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' '); + previousLineBreak = i; + } + } else if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char, prevChar, inblock); + prevChar = char; + } + // in case the end is missing a \n + hasFoldableLine = hasFoldableLine || (shouldTrackWidth && + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' ')); + } + // Although every style can represent \n without escaping, prefer block styles + // for multiline, since they're more readable and they don't add empty lines. + // Also prefer folding a super-long line. + if (!hasLineBreak && !hasFoldableLine) { + // Strings interpretable as another type have to be quoted; + // e.g. the string 'true' vs. the boolean true. + if (plain && !forceQuotes && !testAmbiguousType(string)) { + return STYLE_PLAIN; + } + return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; + } + // Edge case: block indentation indicator can only have one digit. + if (indentPerLevel > 9 && needIndentIndicator(string)) { + return STYLE_DOUBLE; + } + // At this point we know block styles are valid. + // Prefer literal style unless we want to fold. + if (!forceQuotes) { + return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL; + } + return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; +} + +// Note: line breaking/folding is implemented for only the folded style. +// NB. We drop the last trailing newline (if any) of a returned block scalar +// since the dumper adds its own newline. This always works: +// • No ending newline => unaffected; already using strip "-" chomping. +// • Ending newline => removed then restored. +// Importantly, this keeps the "+" chomp indicator from gaining an extra line. +function writeScalar(state, string, level, iskey, inblock) { + state.dump = (function () { + if (string.length === 0) { + return state.quotingType === QUOTING_TYPE_DOUBLE ? '""' : "''"; + } + if (!state.noCompatMode) { + if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) { + return state.quotingType === QUOTING_TYPE_DOUBLE ? ('"' + string + '"') : ("'" + string + "'"); + } + } + + var indent = state.indent * Math.max(1, level); // no 0-indent scalars + // As indentation gets deeper, let the width decrease monotonically + // to the lower bound min(state.lineWidth, 40). + // Note that this implies + // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound. + // state.lineWidth > 40 + state.indent: width decreases until the lower bound. + // This behaves better than a constant minimum width which disallows narrower options, + // or an indent threshold which causes the width to suddenly increase. + var lineWidth = state.lineWidth === -1 + ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); + + // Without knowing if keys are implicit/explicit, assume implicit for safety. + var singleLineOnly = iskey + // No block styles in flow mode. + || (state.flowLevel > -1 && level >= state.flowLevel); + function testAmbiguity(string) { + return testImplicitResolving(state, string); + } + + switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, + testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) { + + case STYLE_PLAIN: + return string; + case STYLE_SINGLE: + return "'" + string.replace(/'/g, "''") + "'"; + case STYLE_LITERAL: + return '|' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(string, indent)); + case STYLE_FOLDED: + return '>' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(foldString(string, lineWidth), indent)); + case STYLE_DOUBLE: + return '"' + escapeString(string) + '"'; + default: + throw new exception('impossible error: invalid scalar style'); + } + }()); +} + +// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9. +function blockHeader(string, indentPerLevel) { + var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : ''; + + // note the special case: the string '\n' counts as a "trailing" empty line. + var clip = string[string.length - 1] === '\n'; + var keep = clip && (string[string.length - 2] === '\n' || string === '\n'); + var chomp = keep ? '+' : (clip ? '' : '-'); + + return indentIndicator + chomp + '\n'; +} + +// (See the note for writeScalar.) +function dropEndingNewline(string) { + return string[string.length - 1] === '\n' ? string.slice(0, -1) : string; +} + +// Note: a long line without a suitable break point will exceed the width limit. +// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0. +function foldString(string, width) { + // In folded style, $k$ consecutive newlines output as $k+1$ newlines— + // unless they're before or after a more-indented line, or at the very + // beginning or end, in which case $k$ maps to $k$. + // Therefore, parse each chunk as newline(s) followed by a content line. + var lineRe = /(\n+)([^\n]*)/g; + + // first line (possibly an empty line) + var result = (function () { + var nextLF = string.indexOf('\n'); + nextLF = nextLF !== -1 ? nextLF : string.length; + lineRe.lastIndex = nextLF; + return foldLine(string.slice(0, nextLF), width); + }()); + // If we haven't reached the first content line yet, don't add an extra \n. + var prevMoreIndented = string[0] === '\n' || string[0] === ' '; + var moreIndented; + + // rest of the lines + var match; + while ((match = lineRe.exec(string))) { + var prefix = match[1], line = match[2]; + moreIndented = (line[0] === ' '); + result += prefix + + (!prevMoreIndented && !moreIndented && line !== '' + ? '\n' : '') + + foldLine(line, width); + prevMoreIndented = moreIndented; + } + + return result; +} + +// Greedy line breaking. +// Picks the longest line under the limit each time, +// otherwise settles for the shortest line over the limit. +// NB. More-indented lines *cannot* be folded, as that would add an extra \n. +function foldLine(line, width) { + if (line === '' || line[0] === ' ') return line; + + // Since a more-indented line adds a \n, breaks can't be followed by a space. + var breakRe = / [^ ]/g; // note: the match index will always be <= length-2. + var match; + // start is an inclusive index. end, curr, and next are exclusive. + var start = 0, end, curr = 0, next = 0; + var result = ''; + + // Invariants: 0 <= start <= length-1. + // 0 <= curr <= next <= max(0, length-2). curr - start <= width. + // Inside the loop: + // A match implies length >= 2, so curr and next are <= length-2. + while ((match = breakRe.exec(line))) { + next = match.index; + // maintain invariant: curr - start <= width + if (next - start > width) { + end = (curr > start) ? curr : next; // derive end <= length-2 + result += '\n' + line.slice(start, end); + // skip the space that was output as \n + start = end + 1; // derive start <= length-1 + } + curr = next; + } + + // By the invariants, start <= length-1, so there is something left over. + // It is either the whole string or a part starting from non-whitespace. + result += '\n'; + // Insert a break if the remainder is too long and there is a break available. + if (line.length - start > width && curr > start) { + result += line.slice(start, curr) + '\n' + line.slice(curr + 1); + } else { + result += line.slice(start); + } + + return result.slice(1); // drop extra \n joiner +} + +// Escapes a double-quoted string. +function escapeString(string) { + var result = ''; + var char = 0; + var escapeSeq; + + for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + escapeSeq = ESCAPE_SEQUENCES[char]; + + if (!escapeSeq && isPrintable(char)) { + result += string[i]; + if (char >= 0x10000) result += string[i + 1]; + } else { + result += escapeSeq || encodeHex(char); + } + } + + return result; +} + +function writeFlowSequence(state, level, object) { + var _result = '', + _tag = state.tag, + index, + length, + value; + + for (index = 0, length = object.length; index < length; index += 1) { + value = object[index]; + + if (state.replacer) { + value = state.replacer.call(object, String(index), value); + } + + // Write only valid elements, put null instead of invalid elements. + if (writeNode(state, level, value, false, false) || + (typeof value === 'undefined' && + writeNode(state, level, null, false, false))) { + + if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : ''); + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = '[' + _result + ']'; +} + +function writeBlockSequence(state, level, object, compact) { + var _result = '', + _tag = state.tag, + index, + length, + value; + + for (index = 0, length = object.length; index < length; index += 1) { + value = object[index]; + + if (state.replacer) { + value = state.replacer.call(object, String(index), value); + } + + // Write only valid elements, put null instead of invalid elements. + if (writeNode(state, level + 1, value, true, true, false, true) || + (typeof value === 'undefined' && + writeNode(state, level + 1, null, true, true, false, true))) { + + if (!compact || _result !== '') { + _result += generateNextLine(state, level); + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + _result += '-'; + } else { + _result += '- '; + } + + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = _result || '[]'; // Empty sequence if no valid values. +} + +function writeFlowMapping(state, level, object) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + pairBuffer; + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + + pairBuffer = ''; + if (_result !== '') pairBuffer += ', '; + + if (state.condenseFlow) pairBuffer += '"'; + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (state.replacer) { + objectValue = state.replacer.call(object, objectKey, objectValue); + } + + if (!writeNode(state, level, objectKey, false, false)) { + continue; // Skip this pair because of invalid key; + } + + if (state.dump.length > 1024) pairBuffer += '? '; + + pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' '); + + if (!writeNode(state, level, objectValue, false, false)) { + continue; // Skip this pair because of invalid value. + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = '{' + _result + '}'; +} + +function writeBlockMapping(state, level, object, compact) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + explicitPair, + pairBuffer; + + // Allow sorting keys so that the output file is deterministic + if (state.sortKeys === true) { + // Default sorting + objectKeyList.sort(); + } else if (typeof state.sortKeys === 'function') { + // Custom sort function + objectKeyList.sort(state.sortKeys); + } else if (state.sortKeys) { + // Something is wrong + throw new exception('sortKeys must be a boolean or a function'); + } + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + pairBuffer = ''; + + if (!compact || _result !== '') { + pairBuffer += generateNextLine(state, level); + } + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (state.replacer) { + objectValue = state.replacer.call(object, objectKey, objectValue); + } + + if (!writeNode(state, level + 1, objectKey, true, true, true)) { + continue; // Skip this pair because of invalid key. + } + + explicitPair = (state.tag !== null && state.tag !== '?') || + (state.dump && state.dump.length > 1024); + + if (explicitPair) { + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += '?'; + } else { + pairBuffer += '? '; + } + } + + pairBuffer += state.dump; + + if (explicitPair) { + pairBuffer += generateNextLine(state, level); + } + + if (!writeNode(state, level + 1, objectValue, true, explicitPair)) { + continue; // Skip this pair because of invalid value. + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += ':'; + } else { + pairBuffer += ': '; + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = _result || '{}'; // Empty mapping if no valid pairs. +} + +function detectType(state, object, explicit) { + var _result, typeList, index, length, type, style; + + typeList = explicit ? state.explicitTypes : state.implicitTypes; + + for (index = 0, length = typeList.length; index < length; index += 1) { + type = typeList[index]; + + if ((type.instanceOf || type.predicate) && + (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) && + (!type.predicate || type.predicate(object))) { + + if (explicit) { + if (type.multi && type.representName) { + state.tag = type.representName(object); + } else { + state.tag = type.tag; + } + } else { + state.tag = '?'; + } + + if (type.represent) { + style = state.styleMap[type.tag] || type.defaultStyle; + + if (_toString.call(type.represent) === '[object Function]') { + _result = type.represent(object, style); + } else if (_hasOwnProperty.call(type.represent, style)) { + _result = type.represent[style](object, style); + } else { + throw new exception('!<' + type.tag + '> tag resolver accepts not "' + style + '" style'); + } + + state.dump = _result; + } + + return true; + } + } + + return false; +} + +// Serializes `object` and writes it to global `result`. +// Returns true on success, or false on invalid object. +// +function writeNode(state, level, object, block, compact, iskey, isblockseq) { + state.tag = null; + state.dump = object; + + if (!detectType(state, object, false)) { + detectType(state, object, true); + } + + var type = _toString.call(state.dump); + var inblock = block; + var tagStr; + + if (block) { + block = (state.flowLevel < 0 || state.flowLevel > level); + } + + var objectOrArray = type === '[object Object]' || type === '[object Array]', + duplicateIndex, + duplicate; + + if (objectOrArray) { + duplicateIndex = state.duplicates.indexOf(object); + duplicate = duplicateIndex !== -1; + } + + if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) { + compact = false; + } + + if (duplicate && state.usedDuplicates[duplicateIndex]) { + state.dump = '*ref_' + duplicateIndex; + } else { + if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) { + state.usedDuplicates[duplicateIndex] = true; + } + if (type === '[object Object]') { + if (block && (Object.keys(state.dump).length !== 0)) { + writeBlockMapping(state, level, state.dump, compact); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowMapping(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object Array]') { + if (block && (state.dump.length !== 0)) { + if (state.noArrayIndent && !isblockseq && level > 0) { + writeBlockSequence(state, level - 1, state.dump, compact); + } else { + writeBlockSequence(state, level, state.dump, compact); + } + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowSequence(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object String]') { + if (state.tag !== '?') { + writeScalar(state, state.dump, level, iskey, inblock); + } + } else if (type === '[object Undefined]') { + return false; + } else { + if (state.skipInvalid) return false; + throw new exception('unacceptable kind of an object to dump ' + type); + } + + if (state.tag !== null && state.tag !== '?') { + // Need to encode all characters except those allowed by the spec: + // + // [35] ns-dec-digit ::= [#x30-#x39] /* 0-9 */ + // [36] ns-hex-digit ::= ns-dec-digit + // | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */ + // [37] ns-ascii-letter ::= [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */ + // [38] ns-word-char ::= ns-dec-digit | ns-ascii-letter | “-” + // [39] ns-uri-char ::= “%” ns-hex-digit ns-hex-digit | ns-word-char | “#” + // | “;” | “/” | “?” | “:” | “@” | “&” | “=” | “+” | “$” | “,” + // | “_” | “.” | “!” | “~” | “*” | “'” | “(” | “)” | “[” | “]” + // + // Also need to encode '!' because it has special meaning (end of tag prefix). + // + tagStr = encodeURI( + state.tag[0] === '!' ? state.tag.slice(1) : state.tag + ).replace(/!/g, '%21'); + + if (state.tag[0] === '!') { + tagStr = '!' + tagStr; + } else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') { + tagStr = '!!' + tagStr.slice(18); + } else { + tagStr = '!<' + tagStr + '>'; + } + + state.dump = tagStr + ' ' + state.dump; + } + } + + return true; +} + +function getDuplicateReferences(object, state) { + var objects = [], + duplicatesIndexes = [], + index, + length; + + inspectNode(object, objects, duplicatesIndexes); + + for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) { + state.duplicates.push(objects[duplicatesIndexes[index]]); + } + state.usedDuplicates = new Array(length); +} + +function inspectNode(object, objects, duplicatesIndexes) { + var objectKeyList, + index, + length; + + if (object !== null && typeof object === 'object') { + index = objects.indexOf(object); + if (index !== -1) { + if (duplicatesIndexes.indexOf(index) === -1) { + duplicatesIndexes.push(index); + } + } else { + objects.push(object); + + if (Array.isArray(object)) { + for (index = 0, length = object.length; index < length; index += 1) { + inspectNode(object[index], objects, duplicatesIndexes); + } + } else { + objectKeyList = Object.keys(object); + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes); + } + } + } + } +} + +function dump$1(input, options) { + options = options || {}; + + var state = new State(options); + + if (!state.noRefs) getDuplicateReferences(input, state); + + var value = input; + + if (state.replacer) { + value = state.replacer.call({ '': value }, '', value); + } + + if (writeNode(state, 0, value, true, true)) return state.dump + '\n'; + + return ''; +} + +var dump_1 = dump$1; + +var dumper = { + dump: dump_1 +}; + +function renamed(from, to) { + return function () { + throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' + + 'Use yaml.' + to + ' instead, which is now safe by default.'); + }; +} + + +var Type = type; +var Schema = schema; +var FAILSAFE_SCHEMA = failsafe; +var JSON_SCHEMA = json; +var CORE_SCHEMA = core; +var DEFAULT_SCHEMA = _default; +var load = loader.load; +var loadAll = loader.loadAll; +var dump = dumper.dump; +var YAMLException = exception; + +// Re-export all types in case user wants to create custom schema +var types = { + binary: binary, + float: float, + map: map, + null: _null, + pairs: pairs, + set: set, + timestamp: timestamp, + bool: bool, + int: int, + merge: merge, + omap: omap, + seq: seq, + str: str +}; + +// Removed functions from JS-YAML 3.0.x +var safeLoad = renamed('safeLoad', 'load'); +var safeLoadAll = renamed('safeLoadAll', 'loadAll'); +var safeDump = renamed('safeDump', 'dump'); + +var jsYaml = { + Type: Type, + Schema: Schema, + FAILSAFE_SCHEMA: FAILSAFE_SCHEMA, + JSON_SCHEMA: JSON_SCHEMA, + CORE_SCHEMA: CORE_SCHEMA, + DEFAULT_SCHEMA: DEFAULT_SCHEMA, + load: load, + loadAll: loadAll, + dump: dump, + YAMLException: YAMLException, + types: types, + safeLoad: safeLoad, + safeLoadAll: safeLoadAll, + safeDump: safeDump +}; + +export { CORE_SCHEMA, DEFAULT_SCHEMA, FAILSAFE_SCHEMA, JSON_SCHEMA, Schema, Type, YAMLException, jsYaml as default, dump, load, loadAll, safeDump, safeLoad, safeLoadAll, types }; diff --git a/module/node_modules/js-yaml/index.js b/module/node_modules/js-yaml/index.js new file mode 100644 index 000000000..bcb7eba7a --- /dev/null +++ b/module/node_modules/js-yaml/index.js @@ -0,0 +1,47 @@ +'use strict'; + + +var loader = require('./lib/loader'); +var dumper = require('./lib/dumper'); + + +function renamed(from, to) { + return function () { + throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' + + 'Use yaml.' + to + ' instead, which is now safe by default.'); + }; +} + + +module.exports.Type = require('./lib/type'); +module.exports.Schema = require('./lib/schema'); +module.exports.FAILSAFE_SCHEMA = require('./lib/schema/failsafe'); +module.exports.JSON_SCHEMA = require('./lib/schema/json'); +module.exports.CORE_SCHEMA = require('./lib/schema/core'); +module.exports.DEFAULT_SCHEMA = require('./lib/schema/default'); +module.exports.load = loader.load; +module.exports.loadAll = loader.loadAll; +module.exports.dump = dumper.dump; +module.exports.YAMLException = require('./lib/exception'); + +// Re-export all types in case user wants to create custom schema +module.exports.types = { + binary: require('./lib/type/binary'), + float: require('./lib/type/float'), + map: require('./lib/type/map'), + null: require('./lib/type/null'), + pairs: require('./lib/type/pairs'), + set: require('./lib/type/set'), + timestamp: require('./lib/type/timestamp'), + bool: require('./lib/type/bool'), + int: require('./lib/type/int'), + merge: require('./lib/type/merge'), + omap: require('./lib/type/omap'), + seq: require('./lib/type/seq'), + str: require('./lib/type/str') +}; + +// Removed functions from JS-YAML 3.0.x +module.exports.safeLoad = renamed('safeLoad', 'load'); +module.exports.safeLoadAll = renamed('safeLoadAll', 'loadAll'); +module.exports.safeDump = renamed('safeDump', 'dump'); diff --git a/module/node_modules/js-yaml/lib/common.js b/module/node_modules/js-yaml/lib/common.js new file mode 100644 index 000000000..25ef7d8e4 --- /dev/null +++ b/module/node_modules/js-yaml/lib/common.js @@ -0,0 +1,59 @@ +'use strict'; + + +function isNothing(subject) { + return (typeof subject === 'undefined') || (subject === null); +} + + +function isObject(subject) { + return (typeof subject === 'object') && (subject !== null); +} + + +function toArray(sequence) { + if (Array.isArray(sequence)) return sequence; + else if (isNothing(sequence)) return []; + + return [ sequence ]; +} + + +function extend(target, source) { + var index, length, key, sourceKeys; + + if (source) { + sourceKeys = Object.keys(source); + + for (index = 0, length = sourceKeys.length; index < length; index += 1) { + key = sourceKeys[index]; + target[key] = source[key]; + } + } + + return target; +} + + +function repeat(string, count) { + var result = '', cycle; + + for (cycle = 0; cycle < count; cycle += 1) { + result += string; + } + + return result; +} + + +function isNegativeZero(number) { + return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number); +} + + +module.exports.isNothing = isNothing; +module.exports.isObject = isObject; +module.exports.toArray = toArray; +module.exports.repeat = repeat; +module.exports.isNegativeZero = isNegativeZero; +module.exports.extend = extend; diff --git a/module/node_modules/js-yaml/lib/dumper.js b/module/node_modules/js-yaml/lib/dumper.js new file mode 100644 index 000000000..f357a6aee --- /dev/null +++ b/module/node_modules/js-yaml/lib/dumper.js @@ -0,0 +1,965 @@ +'use strict'; + +/*eslint-disable no-use-before-define*/ + +var common = require('./common'); +var YAMLException = require('./exception'); +var DEFAULT_SCHEMA = require('./schema/default'); + +var _toString = Object.prototype.toString; +var _hasOwnProperty = Object.prototype.hasOwnProperty; + +var CHAR_BOM = 0xFEFF; +var CHAR_TAB = 0x09; /* Tab */ +var CHAR_LINE_FEED = 0x0A; /* LF */ +var CHAR_CARRIAGE_RETURN = 0x0D; /* CR */ +var CHAR_SPACE = 0x20; /* Space */ +var CHAR_EXCLAMATION = 0x21; /* ! */ +var CHAR_DOUBLE_QUOTE = 0x22; /* " */ +var CHAR_SHARP = 0x23; /* # */ +var CHAR_PERCENT = 0x25; /* % */ +var CHAR_AMPERSAND = 0x26; /* & */ +var CHAR_SINGLE_QUOTE = 0x27; /* ' */ +var CHAR_ASTERISK = 0x2A; /* * */ +var CHAR_COMMA = 0x2C; /* , */ +var CHAR_MINUS = 0x2D; /* - */ +var CHAR_COLON = 0x3A; /* : */ +var CHAR_EQUALS = 0x3D; /* = */ +var CHAR_GREATER_THAN = 0x3E; /* > */ +var CHAR_QUESTION = 0x3F; /* ? */ +var CHAR_COMMERCIAL_AT = 0x40; /* @ */ +var CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */ +var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */ +var CHAR_GRAVE_ACCENT = 0x60; /* ` */ +var CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */ +var CHAR_VERTICAL_LINE = 0x7C; /* | */ +var CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */ + +var ESCAPE_SEQUENCES = {}; + +ESCAPE_SEQUENCES[0x00] = '\\0'; +ESCAPE_SEQUENCES[0x07] = '\\a'; +ESCAPE_SEQUENCES[0x08] = '\\b'; +ESCAPE_SEQUENCES[0x09] = '\\t'; +ESCAPE_SEQUENCES[0x0A] = '\\n'; +ESCAPE_SEQUENCES[0x0B] = '\\v'; +ESCAPE_SEQUENCES[0x0C] = '\\f'; +ESCAPE_SEQUENCES[0x0D] = '\\r'; +ESCAPE_SEQUENCES[0x1B] = '\\e'; +ESCAPE_SEQUENCES[0x22] = '\\"'; +ESCAPE_SEQUENCES[0x5C] = '\\\\'; +ESCAPE_SEQUENCES[0x85] = '\\N'; +ESCAPE_SEQUENCES[0xA0] = '\\_'; +ESCAPE_SEQUENCES[0x2028] = '\\L'; +ESCAPE_SEQUENCES[0x2029] = '\\P'; + +var DEPRECATED_BOOLEANS_SYNTAX = [ + 'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON', + 'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF' +]; + +var DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\.[0-9_]*)?$/; + +function compileStyleMap(schema, map) { + var result, keys, index, length, tag, style, type; + + if (map === null) return {}; + + result = {}; + keys = Object.keys(map); + + for (index = 0, length = keys.length; index < length; index += 1) { + tag = keys[index]; + style = String(map[tag]); + + if (tag.slice(0, 2) === '!!') { + tag = 'tag:yaml.org,2002:' + tag.slice(2); + } + type = schema.compiledTypeMap['fallback'][tag]; + + if (type && _hasOwnProperty.call(type.styleAliases, style)) { + style = type.styleAliases[style]; + } + + result[tag] = style; + } + + return result; +} + +function encodeHex(character) { + var string, handle, length; + + string = character.toString(16).toUpperCase(); + + if (character <= 0xFF) { + handle = 'x'; + length = 2; + } else if (character <= 0xFFFF) { + handle = 'u'; + length = 4; + } else if (character <= 0xFFFFFFFF) { + handle = 'U'; + length = 8; + } else { + throw new YAMLException('code point within a string may not be greater than 0xFFFFFFFF'); + } + + return '\\' + handle + common.repeat('0', length - string.length) + string; +} + + +var QUOTING_TYPE_SINGLE = 1, + QUOTING_TYPE_DOUBLE = 2; + +function State(options) { + this.schema = options['schema'] || DEFAULT_SCHEMA; + this.indent = Math.max(1, (options['indent'] || 2)); + this.noArrayIndent = options['noArrayIndent'] || false; + this.skipInvalid = options['skipInvalid'] || false; + this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']); + this.styleMap = compileStyleMap(this.schema, options['styles'] || null); + this.sortKeys = options['sortKeys'] || false; + this.lineWidth = options['lineWidth'] || 80; + this.noRefs = options['noRefs'] || false; + this.noCompatMode = options['noCompatMode'] || false; + this.condenseFlow = options['condenseFlow'] || false; + this.quotingType = options['quotingType'] === '"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE; + this.forceQuotes = options['forceQuotes'] || false; + this.replacer = typeof options['replacer'] === 'function' ? options['replacer'] : null; + + this.implicitTypes = this.schema.compiledImplicit; + this.explicitTypes = this.schema.compiledExplicit; + + this.tag = null; + this.result = ''; + + this.duplicates = []; + this.usedDuplicates = null; +} + +// Indents every line in a string. Empty lines (\n only) are not indented. +function indentString(string, spaces) { + var ind = common.repeat(' ', spaces), + position = 0, + next = -1, + result = '', + line, + length = string.length; + + while (position < length) { + next = string.indexOf('\n', position); + if (next === -1) { + line = string.slice(position); + position = length; + } else { + line = string.slice(position, next + 1); + position = next + 1; + } + + if (line.length && line !== '\n') result += ind; + + result += line; + } + + return result; +} + +function generateNextLine(state, level) { + return '\n' + common.repeat(' ', state.indent * level); +} + +function testImplicitResolving(state, str) { + var index, length, type; + + for (index = 0, length = state.implicitTypes.length; index < length; index += 1) { + type = state.implicitTypes[index]; + + if (type.resolve(str)) { + return true; + } + } + + return false; +} + +// [33] s-white ::= s-space | s-tab +function isWhitespace(c) { + return c === CHAR_SPACE || c === CHAR_TAB; +} + +// Returns true if the character can be printed without escaping. +// From YAML 1.2: "any allowed characters known to be non-printable +// should also be escaped. [However,] This isn’t mandatory" +// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029. +function isPrintable(c) { + return (0x00020 <= c && c <= 0x00007E) + || ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029) + || ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM) + || (0x10000 <= c && c <= 0x10FFFF); +} + +// [34] ns-char ::= nb-char - s-white +// [27] nb-char ::= c-printable - b-char - c-byte-order-mark +// [26] b-char ::= b-line-feed | b-carriage-return +// Including s-white (for some reason, examples doesn't match specs in this aspect) +// ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark +function isNsCharOrWhitespace(c) { + return isPrintable(c) + && c !== CHAR_BOM + // - b-char + && c !== CHAR_CARRIAGE_RETURN + && c !== CHAR_LINE_FEED; +} + +// [127] ns-plain-safe(c) ::= c = flow-out ⇒ ns-plain-safe-out +// c = flow-in ⇒ ns-plain-safe-in +// c = block-key ⇒ ns-plain-safe-out +// c = flow-key ⇒ ns-plain-safe-in +// [128] ns-plain-safe-out ::= ns-char +// [129] ns-plain-safe-in ::= ns-char - c-flow-indicator +// [130] ns-plain-char(c) ::= ( ns-plain-safe(c) - “:” - “#” ) +// | ( /* An ns-char preceding */ “#” ) +// | ( “:” /* Followed by an ns-plain-safe(c) */ ) +function isPlainSafe(c, prev, inblock) { + var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c); + var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c); + return ( + // ns-plain-safe + inblock ? // c = flow-in + cIsNsCharOrWhitespace + : cIsNsCharOrWhitespace + // - c-flow-indicator + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + ) + // ns-plain-char + && c !== CHAR_SHARP // false on '#' + && !(prev === CHAR_COLON && !cIsNsChar) // false on ': ' + || (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#' + || (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]' +} + +// Simplified test for values allowed as the first character in plain style. +function isPlainSafeFirst(c) { + // Uses a subset of ns-char - c-indicator + // where ns-char = nb-char - s-white. + // No support of ( ( “?” | “:” | “-” ) /* Followed by an ns-plain-safe(c)) */ ) part + return isPrintable(c) && c !== CHAR_BOM + && !isWhitespace(c) // - s-white + // - (c-indicator ::= + // “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}” + && c !== CHAR_MINUS + && c !== CHAR_QUESTION + && c !== CHAR_COLON + && c !== CHAR_COMMA + && c !== CHAR_LEFT_SQUARE_BRACKET + && c !== CHAR_RIGHT_SQUARE_BRACKET + && c !== CHAR_LEFT_CURLY_BRACKET + && c !== CHAR_RIGHT_CURLY_BRACKET + // | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “"” + && c !== CHAR_SHARP + && c !== CHAR_AMPERSAND + && c !== CHAR_ASTERISK + && c !== CHAR_EXCLAMATION + && c !== CHAR_VERTICAL_LINE + && c !== CHAR_EQUALS + && c !== CHAR_GREATER_THAN + && c !== CHAR_SINGLE_QUOTE + && c !== CHAR_DOUBLE_QUOTE + // | “%” | “@” | “`”) + && c !== CHAR_PERCENT + && c !== CHAR_COMMERCIAL_AT + && c !== CHAR_GRAVE_ACCENT; +} + +// Simplified test for values allowed as the last character in plain style. +function isPlainSafeLast(c) { + // just not whitespace or colon, it will be checked to be plain character later + return !isWhitespace(c) && c !== CHAR_COLON; +} + +// Same as 'string'.codePointAt(pos), but works in older browsers. +function codePointAt(string, pos) { + var first = string.charCodeAt(pos), second; + if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) { + second = string.charCodeAt(pos + 1); + if (second >= 0xDC00 && second <= 0xDFFF) { + // https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae + return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000; + } + } + return first; +} + +// Determines whether block indentation indicator is required. +function needIndentIndicator(string) { + var leadingSpaceRe = /^\n* /; + return leadingSpaceRe.test(string); +} + +var STYLE_PLAIN = 1, + STYLE_SINGLE = 2, + STYLE_LITERAL = 3, + STYLE_FOLDED = 4, + STYLE_DOUBLE = 5; + +// Determines which scalar styles are possible and returns the preferred style. +// lineWidth = -1 => no limit. +// Pre-conditions: str.length > 0. +// Post-conditions: +// STYLE_PLAIN or STYLE_SINGLE => no \n are in the string. +// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1). +// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1). +function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth, + testAmbiguousType, quotingType, forceQuotes, inblock) { + + var i; + var char = 0; + var prevChar = null; + var hasLineBreak = false; + var hasFoldableLine = false; // only checked if shouldTrackWidth + var shouldTrackWidth = lineWidth !== -1; + var previousLineBreak = -1; // count the first line correctly + var plain = isPlainSafeFirst(codePointAt(string, 0)) + && isPlainSafeLast(codePointAt(string, string.length - 1)); + + if (singleLineOnly || forceQuotes) { + // Case: no block styles. + // Check for disallowed characters to rule out plain and single. + for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char, prevChar, inblock); + prevChar = char; + } + } else { + // Case: block styles permitted. + for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + if (char === CHAR_LINE_FEED) { + hasLineBreak = true; + // Check if any line can be folded. + if (shouldTrackWidth) { + hasFoldableLine = hasFoldableLine || + // Foldable line = too long, and not more-indented. + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' '); + previousLineBreak = i; + } + } else if (!isPrintable(char)) { + return STYLE_DOUBLE; + } + plain = plain && isPlainSafe(char, prevChar, inblock); + prevChar = char; + } + // in case the end is missing a \n + hasFoldableLine = hasFoldableLine || (shouldTrackWidth && + (i - previousLineBreak - 1 > lineWidth && + string[previousLineBreak + 1] !== ' ')); + } + // Although every style can represent \n without escaping, prefer block styles + // for multiline, since they're more readable and they don't add empty lines. + // Also prefer folding a super-long line. + if (!hasLineBreak && !hasFoldableLine) { + // Strings interpretable as another type have to be quoted; + // e.g. the string 'true' vs. the boolean true. + if (plain && !forceQuotes && !testAmbiguousType(string)) { + return STYLE_PLAIN; + } + return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; + } + // Edge case: block indentation indicator can only have one digit. + if (indentPerLevel > 9 && needIndentIndicator(string)) { + return STYLE_DOUBLE; + } + // At this point we know block styles are valid. + // Prefer literal style unless we want to fold. + if (!forceQuotes) { + return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL; + } + return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE; +} + +// Note: line breaking/folding is implemented for only the folded style. +// NB. We drop the last trailing newline (if any) of a returned block scalar +// since the dumper adds its own newline. This always works: +// • No ending newline => unaffected; already using strip "-" chomping. +// • Ending newline => removed then restored. +// Importantly, this keeps the "+" chomp indicator from gaining an extra line. +function writeScalar(state, string, level, iskey, inblock) { + state.dump = (function () { + if (string.length === 0) { + return state.quotingType === QUOTING_TYPE_DOUBLE ? '""' : "''"; + } + if (!state.noCompatMode) { + if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) { + return state.quotingType === QUOTING_TYPE_DOUBLE ? ('"' + string + '"') : ("'" + string + "'"); + } + } + + var indent = state.indent * Math.max(1, level); // no 0-indent scalars + // As indentation gets deeper, let the width decrease monotonically + // to the lower bound min(state.lineWidth, 40). + // Note that this implies + // state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound. + // state.lineWidth > 40 + state.indent: width decreases until the lower bound. + // This behaves better than a constant minimum width which disallows narrower options, + // or an indent threshold which causes the width to suddenly increase. + var lineWidth = state.lineWidth === -1 + ? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent); + + // Without knowing if keys are implicit/explicit, assume implicit for safety. + var singleLineOnly = iskey + // No block styles in flow mode. + || (state.flowLevel > -1 && level >= state.flowLevel); + function testAmbiguity(string) { + return testImplicitResolving(state, string); + } + + switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth, + testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) { + + case STYLE_PLAIN: + return string; + case STYLE_SINGLE: + return "'" + string.replace(/'/g, "''") + "'"; + case STYLE_LITERAL: + return '|' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(string, indent)); + case STYLE_FOLDED: + return '>' + blockHeader(string, state.indent) + + dropEndingNewline(indentString(foldString(string, lineWidth), indent)); + case STYLE_DOUBLE: + return '"' + escapeString(string, lineWidth) + '"'; + default: + throw new YAMLException('impossible error: invalid scalar style'); + } + }()); +} + +// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9. +function blockHeader(string, indentPerLevel) { + var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : ''; + + // note the special case: the string '\n' counts as a "trailing" empty line. + var clip = string[string.length - 1] === '\n'; + var keep = clip && (string[string.length - 2] === '\n' || string === '\n'); + var chomp = keep ? '+' : (clip ? '' : '-'); + + return indentIndicator + chomp + '\n'; +} + +// (See the note for writeScalar.) +function dropEndingNewline(string) { + return string[string.length - 1] === '\n' ? string.slice(0, -1) : string; +} + +// Note: a long line without a suitable break point will exceed the width limit. +// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0. +function foldString(string, width) { + // In folded style, $k$ consecutive newlines output as $k+1$ newlines— + // unless they're before or after a more-indented line, or at the very + // beginning or end, in which case $k$ maps to $k$. + // Therefore, parse each chunk as newline(s) followed by a content line. + var lineRe = /(\n+)([^\n]*)/g; + + // first line (possibly an empty line) + var result = (function () { + var nextLF = string.indexOf('\n'); + nextLF = nextLF !== -1 ? nextLF : string.length; + lineRe.lastIndex = nextLF; + return foldLine(string.slice(0, nextLF), width); + }()); + // If we haven't reached the first content line yet, don't add an extra \n. + var prevMoreIndented = string[0] === '\n' || string[0] === ' '; + var moreIndented; + + // rest of the lines + var match; + while ((match = lineRe.exec(string))) { + var prefix = match[1], line = match[2]; + moreIndented = (line[0] === ' '); + result += prefix + + (!prevMoreIndented && !moreIndented && line !== '' + ? '\n' : '') + + foldLine(line, width); + prevMoreIndented = moreIndented; + } + + return result; +} + +// Greedy line breaking. +// Picks the longest line under the limit each time, +// otherwise settles for the shortest line over the limit. +// NB. More-indented lines *cannot* be folded, as that would add an extra \n. +function foldLine(line, width) { + if (line === '' || line[0] === ' ') return line; + + // Since a more-indented line adds a \n, breaks can't be followed by a space. + var breakRe = / [^ ]/g; // note: the match index will always be <= length-2. + var match; + // start is an inclusive index. end, curr, and next are exclusive. + var start = 0, end, curr = 0, next = 0; + var result = ''; + + // Invariants: 0 <= start <= length-1. + // 0 <= curr <= next <= max(0, length-2). curr - start <= width. + // Inside the loop: + // A match implies length >= 2, so curr and next are <= length-2. + while ((match = breakRe.exec(line))) { + next = match.index; + // maintain invariant: curr - start <= width + if (next - start > width) { + end = (curr > start) ? curr : next; // derive end <= length-2 + result += '\n' + line.slice(start, end); + // skip the space that was output as \n + start = end + 1; // derive start <= length-1 + } + curr = next; + } + + // By the invariants, start <= length-1, so there is something left over. + // It is either the whole string or a part starting from non-whitespace. + result += '\n'; + // Insert a break if the remainder is too long and there is a break available. + if (line.length - start > width && curr > start) { + result += line.slice(start, curr) + '\n' + line.slice(curr + 1); + } else { + result += line.slice(start); + } + + return result.slice(1); // drop extra \n joiner +} + +// Escapes a double-quoted string. +function escapeString(string) { + var result = ''; + var char = 0; + var escapeSeq; + + for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) { + char = codePointAt(string, i); + escapeSeq = ESCAPE_SEQUENCES[char]; + + if (!escapeSeq && isPrintable(char)) { + result += string[i]; + if (char >= 0x10000) result += string[i + 1]; + } else { + result += escapeSeq || encodeHex(char); + } + } + + return result; +} + +function writeFlowSequence(state, level, object) { + var _result = '', + _tag = state.tag, + index, + length, + value; + + for (index = 0, length = object.length; index < length; index += 1) { + value = object[index]; + + if (state.replacer) { + value = state.replacer.call(object, String(index), value); + } + + // Write only valid elements, put null instead of invalid elements. + if (writeNode(state, level, value, false, false) || + (typeof value === 'undefined' && + writeNode(state, level, null, false, false))) { + + if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : ''); + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = '[' + _result + ']'; +} + +function writeBlockSequence(state, level, object, compact) { + var _result = '', + _tag = state.tag, + index, + length, + value; + + for (index = 0, length = object.length; index < length; index += 1) { + value = object[index]; + + if (state.replacer) { + value = state.replacer.call(object, String(index), value); + } + + // Write only valid elements, put null instead of invalid elements. + if (writeNode(state, level + 1, value, true, true, false, true) || + (typeof value === 'undefined' && + writeNode(state, level + 1, null, true, true, false, true))) { + + if (!compact || _result !== '') { + _result += generateNextLine(state, level); + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + _result += '-'; + } else { + _result += '- '; + } + + _result += state.dump; + } + } + + state.tag = _tag; + state.dump = _result || '[]'; // Empty sequence if no valid values. +} + +function writeFlowMapping(state, level, object) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + pairBuffer; + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + + pairBuffer = ''; + if (_result !== '') pairBuffer += ', '; + + if (state.condenseFlow) pairBuffer += '"'; + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (state.replacer) { + objectValue = state.replacer.call(object, objectKey, objectValue); + } + + if (!writeNode(state, level, objectKey, false, false)) { + continue; // Skip this pair because of invalid key; + } + + if (state.dump.length > 1024) pairBuffer += '? '; + + pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' '); + + if (!writeNode(state, level, objectValue, false, false)) { + continue; // Skip this pair because of invalid value. + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = '{' + _result + '}'; +} + +function writeBlockMapping(state, level, object, compact) { + var _result = '', + _tag = state.tag, + objectKeyList = Object.keys(object), + index, + length, + objectKey, + objectValue, + explicitPair, + pairBuffer; + + // Allow sorting keys so that the output file is deterministic + if (state.sortKeys === true) { + // Default sorting + objectKeyList.sort(); + } else if (typeof state.sortKeys === 'function') { + // Custom sort function + objectKeyList.sort(state.sortKeys); + } else if (state.sortKeys) { + // Something is wrong + throw new YAMLException('sortKeys must be a boolean or a function'); + } + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + pairBuffer = ''; + + if (!compact || _result !== '') { + pairBuffer += generateNextLine(state, level); + } + + objectKey = objectKeyList[index]; + objectValue = object[objectKey]; + + if (state.replacer) { + objectValue = state.replacer.call(object, objectKey, objectValue); + } + + if (!writeNode(state, level + 1, objectKey, true, true, true)) { + continue; // Skip this pair because of invalid key. + } + + explicitPair = (state.tag !== null && state.tag !== '?') || + (state.dump && state.dump.length > 1024); + + if (explicitPair) { + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += '?'; + } else { + pairBuffer += '? '; + } + } + + pairBuffer += state.dump; + + if (explicitPair) { + pairBuffer += generateNextLine(state, level); + } + + if (!writeNode(state, level + 1, objectValue, true, explicitPair)) { + continue; // Skip this pair because of invalid value. + } + + if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) { + pairBuffer += ':'; + } else { + pairBuffer += ': '; + } + + pairBuffer += state.dump; + + // Both key and value are valid. + _result += pairBuffer; + } + + state.tag = _tag; + state.dump = _result || '{}'; // Empty mapping if no valid pairs. +} + +function detectType(state, object, explicit) { + var _result, typeList, index, length, type, style; + + typeList = explicit ? state.explicitTypes : state.implicitTypes; + + for (index = 0, length = typeList.length; index < length; index += 1) { + type = typeList[index]; + + if ((type.instanceOf || type.predicate) && + (!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) && + (!type.predicate || type.predicate(object))) { + + if (explicit) { + if (type.multi && type.representName) { + state.tag = type.representName(object); + } else { + state.tag = type.tag; + } + } else { + state.tag = '?'; + } + + if (type.represent) { + style = state.styleMap[type.tag] || type.defaultStyle; + + if (_toString.call(type.represent) === '[object Function]') { + _result = type.represent(object, style); + } else if (_hasOwnProperty.call(type.represent, style)) { + _result = type.represent[style](object, style); + } else { + throw new YAMLException('!<' + type.tag + '> tag resolver accepts not "' + style + '" style'); + } + + state.dump = _result; + } + + return true; + } + } + + return false; +} + +// Serializes `object` and writes it to global `result`. +// Returns true on success, or false on invalid object. +// +function writeNode(state, level, object, block, compact, iskey, isblockseq) { + state.tag = null; + state.dump = object; + + if (!detectType(state, object, false)) { + detectType(state, object, true); + } + + var type = _toString.call(state.dump); + var inblock = block; + var tagStr; + + if (block) { + block = (state.flowLevel < 0 || state.flowLevel > level); + } + + var objectOrArray = type === '[object Object]' || type === '[object Array]', + duplicateIndex, + duplicate; + + if (objectOrArray) { + duplicateIndex = state.duplicates.indexOf(object); + duplicate = duplicateIndex !== -1; + } + + if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) { + compact = false; + } + + if (duplicate && state.usedDuplicates[duplicateIndex]) { + state.dump = '*ref_' + duplicateIndex; + } else { + if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) { + state.usedDuplicates[duplicateIndex] = true; + } + if (type === '[object Object]') { + if (block && (Object.keys(state.dump).length !== 0)) { + writeBlockMapping(state, level, state.dump, compact); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowMapping(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object Array]') { + if (block && (state.dump.length !== 0)) { + if (state.noArrayIndent && !isblockseq && level > 0) { + writeBlockSequence(state, level - 1, state.dump, compact); + } else { + writeBlockSequence(state, level, state.dump, compact); + } + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + state.dump; + } + } else { + writeFlowSequence(state, level, state.dump); + if (duplicate) { + state.dump = '&ref_' + duplicateIndex + ' ' + state.dump; + } + } + } else if (type === '[object String]') { + if (state.tag !== '?') { + writeScalar(state, state.dump, level, iskey, inblock); + } + } else if (type === '[object Undefined]') { + return false; + } else { + if (state.skipInvalid) return false; + throw new YAMLException('unacceptable kind of an object to dump ' + type); + } + + if (state.tag !== null && state.tag !== '?') { + // Need to encode all characters except those allowed by the spec: + // + // [35] ns-dec-digit ::= [#x30-#x39] /* 0-9 */ + // [36] ns-hex-digit ::= ns-dec-digit + // | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */ + // [37] ns-ascii-letter ::= [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */ + // [38] ns-word-char ::= ns-dec-digit | ns-ascii-letter | “-” + // [39] ns-uri-char ::= “%” ns-hex-digit ns-hex-digit | ns-word-char | “#” + // | “;” | “/” | “?” | “:” | “@” | “&” | “=” | “+” | “$” | “,” + // | “_” | “.” | “!” | “~” | “*” | “'” | “(” | “)” | “[” | “]” + // + // Also need to encode '!' because it has special meaning (end of tag prefix). + // + tagStr = encodeURI( + state.tag[0] === '!' ? state.tag.slice(1) : state.tag + ).replace(/!/g, '%21'); + + if (state.tag[0] === '!') { + tagStr = '!' + tagStr; + } else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') { + tagStr = '!!' + tagStr.slice(18); + } else { + tagStr = '!<' + tagStr + '>'; + } + + state.dump = tagStr + ' ' + state.dump; + } + } + + return true; +} + +function getDuplicateReferences(object, state) { + var objects = [], + duplicatesIndexes = [], + index, + length; + + inspectNode(object, objects, duplicatesIndexes); + + for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) { + state.duplicates.push(objects[duplicatesIndexes[index]]); + } + state.usedDuplicates = new Array(length); +} + +function inspectNode(object, objects, duplicatesIndexes) { + var objectKeyList, + index, + length; + + if (object !== null && typeof object === 'object') { + index = objects.indexOf(object); + if (index !== -1) { + if (duplicatesIndexes.indexOf(index) === -1) { + duplicatesIndexes.push(index); + } + } else { + objects.push(object); + + if (Array.isArray(object)) { + for (index = 0, length = object.length; index < length; index += 1) { + inspectNode(object[index], objects, duplicatesIndexes); + } + } else { + objectKeyList = Object.keys(object); + + for (index = 0, length = objectKeyList.length; index < length; index += 1) { + inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes); + } + } + } + } +} + +function dump(input, options) { + options = options || {}; + + var state = new State(options); + + if (!state.noRefs) getDuplicateReferences(input, state); + + var value = input; + + if (state.replacer) { + value = state.replacer.call({ '': value }, '', value); + } + + if (writeNode(state, 0, value, true, true)) return state.dump + '\n'; + + return ''; +} + +module.exports.dump = dump; diff --git a/module/node_modules/js-yaml/lib/exception.js b/module/node_modules/js-yaml/lib/exception.js new file mode 100644 index 000000000..7f62daaef --- /dev/null +++ b/module/node_modules/js-yaml/lib/exception.js @@ -0,0 +1,55 @@ +// YAML error class. http://stackoverflow.com/questions/8458984 +// +'use strict'; + + +function formatError(exception, compact) { + var where = '', message = exception.reason || '(unknown reason)'; + + if (!exception.mark) return message; + + if (exception.mark.name) { + where += 'in "' + exception.mark.name + '" '; + } + + where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')'; + + if (!compact && exception.mark.snippet) { + where += '\n\n' + exception.mark.snippet; + } + + return message + ' ' + where; +} + + +function YAMLException(reason, mark) { + // Super constructor + Error.call(this); + + this.name = 'YAMLException'; + this.reason = reason; + this.mark = mark; + this.message = formatError(this, false); + + // Include stack trace in error object + if (Error.captureStackTrace) { + // Chrome and NodeJS + Error.captureStackTrace(this, this.constructor); + } else { + // FF, IE 10+ and Safari 6+. Fallback for others + this.stack = (new Error()).stack || ''; + } +} + + +// Inherit from Error +YAMLException.prototype = Object.create(Error.prototype); +YAMLException.prototype.constructor = YAMLException; + + +YAMLException.prototype.toString = function toString(compact) { + return this.name + ': ' + formatError(this, compact); +}; + + +module.exports = YAMLException; diff --git a/module/node_modules/js-yaml/lib/loader.js b/module/node_modules/js-yaml/lib/loader.js new file mode 100644 index 000000000..25abc8087 --- /dev/null +++ b/module/node_modules/js-yaml/lib/loader.js @@ -0,0 +1,1733 @@ +'use strict'; + +/*eslint-disable max-len,no-use-before-define*/ + +var common = require('./common'); +var YAMLException = require('./exception'); +var makeSnippet = require('./snippet'); +var DEFAULT_SCHEMA = require('./schema/default'); + + +var _hasOwnProperty = Object.prototype.hasOwnProperty; + + +var CONTEXT_FLOW_IN = 1; +var CONTEXT_FLOW_OUT = 2; +var CONTEXT_BLOCK_IN = 3; +var CONTEXT_BLOCK_OUT = 4; + + +var CHOMPING_CLIP = 1; +var CHOMPING_STRIP = 2; +var CHOMPING_KEEP = 3; + + +var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/; +var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/; +var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/; +var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i; +var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i; + + +function _class(obj) { return Object.prototype.toString.call(obj); } + +function is_EOL(c) { + return (c === 0x0A/* LF */) || (c === 0x0D/* CR */); +} + +function is_WHITE_SPACE(c) { + return (c === 0x09/* Tab */) || (c === 0x20/* Space */); +} + +function is_WS_OR_EOL(c) { + return (c === 0x09/* Tab */) || + (c === 0x20/* Space */) || + (c === 0x0A/* LF */) || + (c === 0x0D/* CR */); +} + +function is_FLOW_INDICATOR(c) { + return c === 0x2C/* , */ || + c === 0x5B/* [ */ || + c === 0x5D/* ] */ || + c === 0x7B/* { */ || + c === 0x7D/* } */; +} + +function fromHexCode(c) { + var lc; + + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + /*eslint-disable no-bitwise*/ + lc = c | 0x20; + + if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) { + return lc - 0x61 + 10; + } + + return -1; +} + +function escapedHexLen(c) { + if (c === 0x78/* x */) { return 2; } + if (c === 0x75/* u */) { return 4; } + if (c === 0x55/* U */) { return 8; } + return 0; +} + +function fromDecimalCode(c) { + if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) { + return c - 0x30; + } + + return -1; +} + +function simpleEscapeSequence(c) { + /* eslint-disable indent */ + return (c === 0x30/* 0 */) ? '\x00' : + (c === 0x61/* a */) ? '\x07' : + (c === 0x62/* b */) ? '\x08' : + (c === 0x74/* t */) ? '\x09' : + (c === 0x09/* Tab */) ? '\x09' : + (c === 0x6E/* n */) ? '\x0A' : + (c === 0x76/* v */) ? '\x0B' : + (c === 0x66/* f */) ? '\x0C' : + (c === 0x72/* r */) ? '\x0D' : + (c === 0x65/* e */) ? '\x1B' : + (c === 0x20/* Space */) ? ' ' : + (c === 0x22/* " */) ? '\x22' : + (c === 0x2F/* / */) ? '/' : + (c === 0x5C/* \ */) ? '\x5C' : + (c === 0x4E/* N */) ? '\x85' : + (c === 0x5F/* _ */) ? '\xA0' : + (c === 0x4C/* L */) ? '\u2028' : + (c === 0x50/* P */) ? '\u2029' : ''; +} + +function charFromCodepoint(c) { + if (c <= 0xFFFF) { + return String.fromCharCode(c); + } + // Encode UTF-16 surrogate pair + // https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF + return String.fromCharCode( + ((c - 0x010000) >> 10) + 0xD800, + ((c - 0x010000) & 0x03FF) + 0xDC00 + ); +} + +// set a property of a literal object, while protecting against prototype pollution, +// see https://github.com/nodeca/js-yaml/issues/164 for more details +function setProperty(object, key, value) { + // used for this specific key only because Object.defineProperty is slow + if (key === '__proto__') { + Object.defineProperty(object, key, { + configurable: true, + enumerable: true, + writable: true, + value: value + }); + } else { + object[key] = value; + } +} + +var simpleEscapeCheck = new Array(256); // integer, for fast access +var simpleEscapeMap = new Array(256); +for (var i = 0; i < 256; i++) { + simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0; + simpleEscapeMap[i] = simpleEscapeSequence(i); +} + + +function State(input, options) { + this.input = input; + + this.filename = options['filename'] || null; + this.schema = options['schema'] || DEFAULT_SCHEMA; + this.onWarning = options['onWarning'] || null; + // (Hidden) Remove? makes the loader to expect YAML 1.1 documents + // if such documents have no explicit %YAML directive + this.legacy = options['legacy'] || false; + + this.json = options['json'] || false; + this.listener = options['listener'] || null; + + this.implicitTypes = this.schema.compiledImplicit; + this.typeMap = this.schema.compiledTypeMap; + + this.length = input.length; + this.position = 0; + this.line = 0; + this.lineStart = 0; + this.lineIndent = 0; + + // position of first leading tab in the current line, + // used to make sure there are no tabs in the indentation + this.firstTabInLine = -1; + + this.documents = []; + + /* + this.version; + this.checkLineBreaks; + this.tagMap; + this.anchorMap; + this.tag; + this.anchor; + this.kind; + this.result;*/ + +} + + +function generateError(state, message) { + var mark = { + name: state.filename, + buffer: state.input.slice(0, -1), // omit trailing \0 + position: state.position, + line: state.line, + column: state.position - state.lineStart + }; + + mark.snippet = makeSnippet(mark); + + return new YAMLException(message, mark); +} + +function throwError(state, message) { + throw generateError(state, message); +} + +function throwWarning(state, message) { + if (state.onWarning) { + state.onWarning.call(null, generateError(state, message)); + } +} + + +var directiveHandlers = { + + YAML: function handleYamlDirective(state, name, args) { + + var match, major, minor; + + if (state.version !== null) { + throwError(state, 'duplication of %YAML directive'); + } + + if (args.length !== 1) { + throwError(state, 'YAML directive accepts exactly one argument'); + } + + match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]); + + if (match === null) { + throwError(state, 'ill-formed argument of the YAML directive'); + } + + major = parseInt(match[1], 10); + minor = parseInt(match[2], 10); + + if (major !== 1) { + throwError(state, 'unacceptable YAML version of the document'); + } + + state.version = args[0]; + state.checkLineBreaks = (minor < 2); + + if (minor !== 1 && minor !== 2) { + throwWarning(state, 'unsupported YAML version of the document'); + } + }, + + TAG: function handleTagDirective(state, name, args) { + + var handle, prefix; + + if (args.length !== 2) { + throwError(state, 'TAG directive accepts exactly two arguments'); + } + + handle = args[0]; + prefix = args[1]; + + if (!PATTERN_TAG_HANDLE.test(handle)) { + throwError(state, 'ill-formed tag handle (first argument) of the TAG directive'); + } + + if (_hasOwnProperty.call(state.tagMap, handle)) { + throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle'); + } + + if (!PATTERN_TAG_URI.test(prefix)) { + throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive'); + } + + try { + prefix = decodeURIComponent(prefix); + } catch (err) { + throwError(state, 'tag prefix is malformed: ' + prefix); + } + + state.tagMap[handle] = prefix; + } +}; + + +function captureSegment(state, start, end, checkJson) { + var _position, _length, _character, _result; + + if (start < end) { + _result = state.input.slice(start, end); + + if (checkJson) { + for (_position = 0, _length = _result.length; _position < _length; _position += 1) { + _character = _result.charCodeAt(_position); + if (!(_character === 0x09 || + (0x20 <= _character && _character <= 0x10FFFF))) { + throwError(state, 'expected valid JSON character'); + } + } + } else if (PATTERN_NON_PRINTABLE.test(_result)) { + throwError(state, 'the stream contains non-printable characters'); + } + + state.result += _result; + } +} + +function mergeMappings(state, destination, source, overridableKeys) { + var sourceKeys, key, index, quantity; + + if (!common.isObject(source)) { + throwError(state, 'cannot merge mappings; the provided source object is unacceptable'); + } + + sourceKeys = Object.keys(source); + + for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) { + key = sourceKeys[index]; + + if (!_hasOwnProperty.call(destination, key)) { + setProperty(destination, key, source[key]); + overridableKeys[key] = true; + } + } +} + +function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, + startLine, startLineStart, startPos) { + + var index, quantity; + + // The output is a plain object here, so keys can only be strings. + // We need to convert keyNode to a string, but doing so can hang the process + // (deeply nested arrays that explode exponentially using aliases). + if (Array.isArray(keyNode)) { + keyNode = Array.prototype.slice.call(keyNode); + + for (index = 0, quantity = keyNode.length; index < quantity; index += 1) { + if (Array.isArray(keyNode[index])) { + throwError(state, 'nested arrays are not supported inside keys'); + } + + if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') { + keyNode[index] = '[object Object]'; + } + } + } + + // Avoid code execution in load() via toString property + // (still use its own toString for arrays, timestamps, + // and whatever user schema extensions happen to have @@toStringTag) + if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') { + keyNode = '[object Object]'; + } + + + keyNode = String(keyNode); + + if (_result === null) { + _result = {}; + } + + if (keyTag === 'tag:yaml.org,2002:merge') { + if (Array.isArray(valueNode)) { + for (index = 0, quantity = valueNode.length; index < quantity; index += 1) { + mergeMappings(state, _result, valueNode[index], overridableKeys); + } + } else { + mergeMappings(state, _result, valueNode, overridableKeys); + } + } else { + if (!state.json && + !_hasOwnProperty.call(overridableKeys, keyNode) && + _hasOwnProperty.call(_result, keyNode)) { + state.line = startLine || state.line; + state.lineStart = startLineStart || state.lineStart; + state.position = startPos || state.position; + throwError(state, 'duplicated mapping key'); + } + + setProperty(_result, keyNode, valueNode); + delete overridableKeys[keyNode]; + } + + return _result; +} + +function readLineBreak(state) { + var ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x0A/* LF */) { + state.position++; + } else if (ch === 0x0D/* CR */) { + state.position++; + if (state.input.charCodeAt(state.position) === 0x0A/* LF */) { + state.position++; + } + } else { + throwError(state, 'a line break is expected'); + } + + state.line += 1; + state.lineStart = state.position; + state.firstTabInLine = -1; +} + +function skipSeparationSpace(state, allowComments, checkIndent) { + var lineBreaks = 0, + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) { + state.firstTabInLine = state.position; + } + ch = state.input.charCodeAt(++state.position); + } + + if (allowComments && ch === 0x23/* # */) { + do { + ch = state.input.charCodeAt(++state.position); + } while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0); + } + + if (is_EOL(ch)) { + readLineBreak(state); + + ch = state.input.charCodeAt(state.position); + lineBreaks++; + state.lineIndent = 0; + + while (ch === 0x20/* Space */) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + } else { + break; + } + } + + if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) { + throwWarning(state, 'deficient indentation'); + } + + return lineBreaks; +} + +function testDocumentSeparator(state) { + var _position = state.position, + ch; + + ch = state.input.charCodeAt(_position); + + // Condition state.position === state.lineStart is tested + // in parent on each call, for efficiency. No needs to test here again. + if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) && + ch === state.input.charCodeAt(_position + 1) && + ch === state.input.charCodeAt(_position + 2)) { + + _position += 3; + + ch = state.input.charCodeAt(_position); + + if (ch === 0 || is_WS_OR_EOL(ch)) { + return true; + } + } + + return false; +} + +function writeFoldedLines(state, count) { + if (count === 1) { + state.result += ' '; + } else if (count > 1) { + state.result += common.repeat('\n', count - 1); + } +} + + +function readPlainScalar(state, nodeIndent, withinFlowCollection) { + var preceding, + following, + captureStart, + captureEnd, + hasPendingContent, + _line, + _lineStart, + _lineIndent, + _kind = state.kind, + _result = state.result, + ch; + + ch = state.input.charCodeAt(state.position); + + if (is_WS_OR_EOL(ch) || + is_FLOW_INDICATOR(ch) || + ch === 0x23/* # */ || + ch === 0x26/* & */ || + ch === 0x2A/* * */ || + ch === 0x21/* ! */ || + ch === 0x7C/* | */ || + ch === 0x3E/* > */ || + ch === 0x27/* ' */ || + ch === 0x22/* " */ || + ch === 0x25/* % */ || + ch === 0x40/* @ */ || + ch === 0x60/* ` */) { + return false; + } + + if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + return false; + } + } + + state.kind = 'scalar'; + state.result = ''; + captureStart = captureEnd = state.position; + hasPendingContent = false; + + while (ch !== 0) { + if (ch === 0x3A/* : */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following) || + withinFlowCollection && is_FLOW_INDICATOR(following)) { + break; + } + + } else if (ch === 0x23/* # */) { + preceding = state.input.charCodeAt(state.position - 1); + + if (is_WS_OR_EOL(preceding)) { + break; + } + + } else if ((state.position === state.lineStart && testDocumentSeparator(state)) || + withinFlowCollection && is_FLOW_INDICATOR(ch)) { + break; + + } else if (is_EOL(ch)) { + _line = state.line; + _lineStart = state.lineStart; + _lineIndent = state.lineIndent; + skipSeparationSpace(state, false, -1); + + if (state.lineIndent >= nodeIndent) { + hasPendingContent = true; + ch = state.input.charCodeAt(state.position); + continue; + } else { + state.position = captureEnd; + state.line = _line; + state.lineStart = _lineStart; + state.lineIndent = _lineIndent; + break; + } + } + + if (hasPendingContent) { + captureSegment(state, captureStart, captureEnd, false); + writeFoldedLines(state, state.line - _line); + captureStart = captureEnd = state.position; + hasPendingContent = false; + } + + if (!is_WHITE_SPACE(ch)) { + captureEnd = state.position + 1; + } + + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, captureEnd, false); + + if (state.result) { + return true; + } + + state.kind = _kind; + state.result = _result; + return false; +} + +function readSingleQuotedScalar(state, nodeIndent) { + var ch, + captureStart, captureEnd; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x27/* ' */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x27/* ' */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x27/* ' */) { + captureStart = state.position; + state.position++; + captureEnd = state.position; + } else { + return true; + } + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a single quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a single quoted scalar'); +} + +function readDoubleQuotedScalar(state, nodeIndent) { + var captureStart, + captureEnd, + hexLength, + hexResult, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x22/* " */) { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + state.position++; + captureStart = captureEnd = state.position; + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + if (ch === 0x22/* " */) { + captureSegment(state, captureStart, state.position, true); + state.position++; + return true; + + } else if (ch === 0x5C/* \ */) { + captureSegment(state, captureStart, state.position, true); + ch = state.input.charCodeAt(++state.position); + + if (is_EOL(ch)) { + skipSeparationSpace(state, false, nodeIndent); + + // TODO: rework to inline fn with no type cast? + } else if (ch < 256 && simpleEscapeCheck[ch]) { + state.result += simpleEscapeMap[ch]; + state.position++; + + } else if ((tmp = escapedHexLen(ch)) > 0) { + hexLength = tmp; + hexResult = 0; + + for (; hexLength > 0; hexLength--) { + ch = state.input.charCodeAt(++state.position); + + if ((tmp = fromHexCode(ch)) >= 0) { + hexResult = (hexResult << 4) + tmp; + + } else { + throwError(state, 'expected hexadecimal character'); + } + } + + state.result += charFromCodepoint(hexResult); + + state.position++; + + } else { + throwError(state, 'unknown escape sequence'); + } + + captureStart = captureEnd = state.position; + + } else if (is_EOL(ch)) { + captureSegment(state, captureStart, captureEnd, true); + writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent)); + captureStart = captureEnd = state.position; + + } else if (state.position === state.lineStart && testDocumentSeparator(state)) { + throwError(state, 'unexpected end of the document within a double quoted scalar'); + + } else { + state.position++; + captureEnd = state.position; + } + } + + throwError(state, 'unexpected end of the stream within a double quoted scalar'); +} + +function readFlowCollection(state, nodeIndent) { + var readNext = true, + _line, + _lineStart, + _pos, + _tag = state.tag, + _result, + _anchor = state.anchor, + following, + terminator, + isPair, + isExplicitPair, + isMapping, + overridableKeys = Object.create(null), + keyNode, + keyTag, + valueNode, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x5B/* [ */) { + terminator = 0x5D;/* ] */ + isMapping = false; + _result = []; + } else if (ch === 0x7B/* { */) { + terminator = 0x7D;/* } */ + isMapping = true; + _result = {}; + } else { + return false; + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(++state.position); + + while (ch !== 0) { + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === terminator) { + state.position++; + state.tag = _tag; + state.anchor = _anchor; + state.kind = isMapping ? 'mapping' : 'sequence'; + state.result = _result; + return true; + } else if (!readNext) { + throwError(state, 'missed comma between flow collection entries'); + } else if (ch === 0x2C/* , */) { + // "flow collection entries can never be completely empty", as per YAML 1.2, section 7.4 + throwError(state, "expected the node content, but found ','"); + } + + keyTag = keyNode = valueNode = null; + isPair = isExplicitPair = false; + + if (ch === 0x3F/* ? */) { + following = state.input.charCodeAt(state.position + 1); + + if (is_WS_OR_EOL(following)) { + isPair = isExplicitPair = true; + state.position++; + skipSeparationSpace(state, true, nodeIndent); + } + } + + _line = state.line; // Save the current line. + _lineStart = state.lineStart; + _pos = state.position; + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + keyTag = state.tag; + keyNode = state.result; + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) { + isPair = true; + ch = state.input.charCodeAt(++state.position); + skipSeparationSpace(state, true, nodeIndent); + composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true); + valueNode = state.result; + } + + if (isMapping) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos); + } else if (isPair) { + _result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos)); + } else { + _result.push(keyNode); + } + + skipSeparationSpace(state, true, nodeIndent); + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x2C/* , */) { + readNext = true; + ch = state.input.charCodeAt(++state.position); + } else { + readNext = false; + } + } + + throwError(state, 'unexpected end of the stream within a flow collection'); +} + +function readBlockScalar(state, nodeIndent) { + var captureStart, + folding, + chomping = CHOMPING_CLIP, + didReadContent = false, + detectedIndent = false, + textIndent = nodeIndent, + emptyLines = 0, + atMoreIndented = false, + tmp, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch === 0x7C/* | */) { + folding = false; + } else if (ch === 0x3E/* > */) { + folding = true; + } else { + return false; + } + + state.kind = 'scalar'; + state.result = ''; + + while (ch !== 0) { + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x2B/* + */ || ch === 0x2D/* - */) { + if (CHOMPING_CLIP === chomping) { + chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP; + } else { + throwError(state, 'repeat of a chomping mode identifier'); + } + + } else if ((tmp = fromDecimalCode(ch)) >= 0) { + if (tmp === 0) { + throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one'); + } else if (!detectedIndent) { + textIndent = nodeIndent + tmp - 1; + detectedIndent = true; + } else { + throwError(state, 'repeat of an indentation width identifier'); + } + + } else { + break; + } + } + + if (is_WHITE_SPACE(ch)) { + do { ch = state.input.charCodeAt(++state.position); } + while (is_WHITE_SPACE(ch)); + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (!is_EOL(ch) && (ch !== 0)); + } + } + + while (ch !== 0) { + readLineBreak(state); + state.lineIndent = 0; + + ch = state.input.charCodeAt(state.position); + + while ((!detectedIndent || state.lineIndent < textIndent) && + (ch === 0x20/* Space */)) { + state.lineIndent++; + ch = state.input.charCodeAt(++state.position); + } + + if (!detectedIndent && state.lineIndent > textIndent) { + textIndent = state.lineIndent; + } + + if (is_EOL(ch)) { + emptyLines++; + continue; + } + + // End of the scalar. + if (state.lineIndent < textIndent) { + + // Perform the chomping. + if (chomping === CHOMPING_KEEP) { + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } else if (chomping === CHOMPING_CLIP) { + if (didReadContent) { // i.e. only if the scalar is not empty. + state.result += '\n'; + } + } + + // Break this `while` cycle and go to the funciton's epilogue. + break; + } + + // Folded style: use fancy rules to handle line breaks. + if (folding) { + + // Lines starting with white space characters (more-indented lines) are not folded. + if (is_WHITE_SPACE(ch)) { + atMoreIndented = true; + // except for the first content line (cf. Example 8.1) + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + + // End of more-indented block. + } else if (atMoreIndented) { + atMoreIndented = false; + state.result += common.repeat('\n', emptyLines + 1); + + // Just one line break - perceive as the same line. + } else if (emptyLines === 0) { + if (didReadContent) { // i.e. only if we have already read some scalar content. + state.result += ' '; + } + + // Several line breaks - perceive as different lines. + } else { + state.result += common.repeat('\n', emptyLines); + } + + // Literal style: just add exact number of line breaks between content lines. + } else { + // Keep all line breaks except the header line break. + state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines); + } + + didReadContent = true; + detectedIndent = true; + emptyLines = 0; + captureStart = state.position; + + while (!is_EOL(ch) && (ch !== 0)) { + ch = state.input.charCodeAt(++state.position); + } + + captureSegment(state, captureStart, state.position, false); + } + + return true; +} + +function readBlockSequence(state, nodeIndent) { + var _line, + _tag = state.tag, + _anchor = state.anchor, + _result = [], + following, + detected = false, + ch; + + // there is a leading tab before this token, so it can't be a block sequence/mapping; + // it can still be flow sequence/mapping or a scalar + if (state.firstTabInLine !== -1) return false; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + if (state.firstTabInLine !== -1) { + state.position = state.firstTabInLine; + throwError(state, 'tab characters must not be used in indentation'); + } + + if (ch !== 0x2D/* - */) { + break; + } + + following = state.input.charCodeAt(state.position + 1); + + if (!is_WS_OR_EOL(following)) { + break; + } + + detected = true; + state.position++; + + if (skipSeparationSpace(state, true, -1)) { + if (state.lineIndent <= nodeIndent) { + _result.push(null); + ch = state.input.charCodeAt(state.position); + continue; + } + } + + _line = state.line; + composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true); + _result.push(state.result); + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a sequence entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'sequence'; + state.result = _result; + return true; + } + return false; +} + +function readBlockMapping(state, nodeIndent, flowIndent) { + var following, + allowCompact, + _line, + _keyLine, + _keyLineStart, + _keyPos, + _tag = state.tag, + _anchor = state.anchor, + _result = {}, + overridableKeys = Object.create(null), + keyTag = null, + keyNode = null, + valueNode = null, + atExplicitKey = false, + detected = false, + ch; + + // there is a leading tab before this token, so it can't be a block sequence/mapping; + // it can still be flow sequence/mapping or a scalar + if (state.firstTabInLine !== -1) return false; + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = _result; + } + + ch = state.input.charCodeAt(state.position); + + while (ch !== 0) { + if (!atExplicitKey && state.firstTabInLine !== -1) { + state.position = state.firstTabInLine; + throwError(state, 'tab characters must not be used in indentation'); + } + + following = state.input.charCodeAt(state.position + 1); + _line = state.line; // Save the current line. + + // + // Explicit notation case. There are two separate blocks: + // first for the key (denoted by "?") and second for the value (denoted by ":") + // + if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) { + + if (ch === 0x3F/* ? */) { + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = true; + allowCompact = true; + + } else if (atExplicitKey) { + // i.e. 0x3A/* : */ === character after the explicit key. + atExplicitKey = false; + allowCompact = true; + + } else { + throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line'); + } + + state.position += 1; + ch = following; + + // + // Implicit notation case. Flow-style node as the key first, then ":", and the value. + // + } else { + _keyLine = state.line; + _keyLineStart = state.lineStart; + _keyPos = state.position; + + if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) { + // Neither implicit nor explicit notation. + // Reading is done. Go to the epilogue. + break; + } + + if (state.line === _line) { + ch = state.input.charCodeAt(state.position); + + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x3A/* : */) { + ch = state.input.charCodeAt(++state.position); + + if (!is_WS_OR_EOL(ch)) { + throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping'); + } + + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + detected = true; + atExplicitKey = false; + allowCompact = false; + keyTag = state.tag; + keyNode = state.result; + + } else if (detected) { + throwError(state, 'can not read an implicit mapping pair; a colon is missed'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + + } else if (detected) { + throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key'); + + } else { + state.tag = _tag; + state.anchor = _anchor; + return true; // Keep the result of `composeNode`. + } + } + + // + // Common reading code for both explicit and implicit notations. + // + if (state.line === _line || state.lineIndent > nodeIndent) { + if (atExplicitKey) { + _keyLine = state.line; + _keyLineStart = state.lineStart; + _keyPos = state.position; + } + + if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) { + if (atExplicitKey) { + keyNode = state.result; + } else { + valueNode = state.result; + } + } + + if (!atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos); + keyTag = keyNode = valueNode = null; + } + + skipSeparationSpace(state, true, -1); + ch = state.input.charCodeAt(state.position); + } + + if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) { + throwError(state, 'bad indentation of a mapping entry'); + } else if (state.lineIndent < nodeIndent) { + break; + } + } + + // + // Epilogue. + // + + // Special case: last mapping's node contains only the key in explicit notation. + if (atExplicitKey) { + storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos); + } + + // Expose the resulting mapping. + if (detected) { + state.tag = _tag; + state.anchor = _anchor; + state.kind = 'mapping'; + state.result = _result; + } + + return detected; +} + +function readTagProperty(state) { + var _position, + isVerbatim = false, + isNamed = false, + tagHandle, + tagName, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x21/* ! */) return false; + + if (state.tag !== null) { + throwError(state, 'duplication of a tag property'); + } + + ch = state.input.charCodeAt(++state.position); + + if (ch === 0x3C/* < */) { + isVerbatim = true; + ch = state.input.charCodeAt(++state.position); + + } else if (ch === 0x21/* ! */) { + isNamed = true; + tagHandle = '!!'; + ch = state.input.charCodeAt(++state.position); + + } else { + tagHandle = '!'; + } + + _position = state.position; + + if (isVerbatim) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && ch !== 0x3E/* > */); + + if (state.position < state.length) { + tagName = state.input.slice(_position, state.position); + ch = state.input.charCodeAt(++state.position); + } else { + throwError(state, 'unexpected end of the stream within a verbatim tag'); + } + } else { + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + + if (ch === 0x21/* ! */) { + if (!isNamed) { + tagHandle = state.input.slice(_position - 1, state.position + 1); + + if (!PATTERN_TAG_HANDLE.test(tagHandle)) { + throwError(state, 'named tag handle cannot contain such characters'); + } + + isNamed = true; + _position = state.position + 1; + } else { + throwError(state, 'tag suffix cannot contain exclamation marks'); + } + } + + ch = state.input.charCodeAt(++state.position); + } + + tagName = state.input.slice(_position, state.position); + + if (PATTERN_FLOW_INDICATORS.test(tagName)) { + throwError(state, 'tag suffix cannot contain flow indicator characters'); + } + } + + if (tagName && !PATTERN_TAG_URI.test(tagName)) { + throwError(state, 'tag name cannot contain such characters: ' + tagName); + } + + try { + tagName = decodeURIComponent(tagName); + } catch (err) { + throwError(state, 'tag name is malformed: ' + tagName); + } + + if (isVerbatim) { + state.tag = tagName; + + } else if (_hasOwnProperty.call(state.tagMap, tagHandle)) { + state.tag = state.tagMap[tagHandle] + tagName; + + } else if (tagHandle === '!') { + state.tag = '!' + tagName; + + } else if (tagHandle === '!!') { + state.tag = 'tag:yaml.org,2002:' + tagName; + + } else { + throwError(state, 'undeclared tag handle "' + tagHandle + '"'); + } + + return true; +} + +function readAnchorProperty(state) { + var _position, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x26/* & */) return false; + + if (state.anchor !== null) { + throwError(state, 'duplication of an anchor property'); + } + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an anchor node must contain at least one character'); + } + + state.anchor = state.input.slice(_position, state.position); + return true; +} + +function readAlias(state) { + var _position, alias, + ch; + + ch = state.input.charCodeAt(state.position); + + if (ch !== 0x2A/* * */) return false; + + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (state.position === _position) { + throwError(state, 'name of an alias node must contain at least one character'); + } + + alias = state.input.slice(_position, state.position); + + if (!_hasOwnProperty.call(state.anchorMap, alias)) { + throwError(state, 'unidentified alias "' + alias + '"'); + } + + state.result = state.anchorMap[alias]; + skipSeparationSpace(state, true, -1); + return true; +} + +function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) { + var allowBlockStyles, + allowBlockScalars, + allowBlockCollections, + indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } + } + + if (indentStatus === 1) { + while (readTagProperty(state) || readAnchorProperty(state)) { + if (skipSeparationSpace(state, true, -1)) { + atNewLine = true; + allowBlockCollections = allowBlockStyles; + + if (state.lineIndent > parentIndent) { + indentStatus = 1; + } else if (state.lineIndent === parentIndent) { + indentStatus = 0; + } else if (state.lineIndent < parentIndent) { + indentStatus = -1; + } + } else { + allowBlockCollections = false; + } + } + } + + if (allowBlockCollections) { + allowBlockCollections = atNewLine || allowCompact; + } + + if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) { + if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) { + flowIndent = parentIndent; + } else { + flowIndent = parentIndent + 1; + } + + blockIndent = state.position - state.lineStart; + + if (indentStatus === 1) { + if (allowBlockCollections && + (readBlockSequence(state, blockIndent) || + readBlockMapping(state, blockIndent, flowIndent)) || + readFlowCollection(state, flowIndent)) { + hasContent = true; + } else { + if ((allowBlockScalars && readBlockScalar(state, flowIndent)) || + readSingleQuotedScalar(state, flowIndent) || + readDoubleQuotedScalar(state, flowIndent)) { + hasContent = true; + + } else if (readAlias(state)) { + hasContent = true; + + if (state.tag !== null || state.anchor !== null) { + throwError(state, 'alias node should not have any properties'); + } + + } else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) { + hasContent = true; + + if (state.tag === null) { + state.tag = '?'; + } + } + + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } else if (indentStatus === 0) { + // Special case: block sequences are allowed to have same indentation level as the parent. + // http://www.yaml.org/spec/1.2/spec.html#id2799784 + hasContent = allowBlockCollections && readBlockSequence(state, blockIndent); + } + } + + if (state.tag === null) { + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + + } else if (state.tag === '?') { + // Implicit resolving is not allowed for non-scalar types, and '?' + // non-specific tag is only automatically assigned to plain scalars. + // + // We only need to check kind conformity in case user explicitly assigns '?' + // tag, for example like this: "! [0]" + // + if (state.result !== null && state.kind !== 'scalar') { + throwError(state, 'unacceptable node kind for ! tag; it should be "scalar", not "' + state.kind + '"'); + } + + for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) { + type = state.implicitTypes[typeIndex]; + + if (type.resolve(state.result)) { // `state.result` updated in resolver if matched + state.result = type.construct(state.result); + state.tag = type.tag; + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + break; + } + } + } else if (state.tag !== '!') { + if (_hasOwnProperty.call(state.typeMap[state.kind || 'fallback'], state.tag)) { + type = state.typeMap[state.kind || 'fallback'][state.tag]; + } else { + // looking for multi type + type = null; + typeList = state.typeMap.multi[state.kind || 'fallback']; + + for (typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) { + if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) { + type = typeList[typeIndex]; + break; + } + } + } + + if (!type) { + throwError(state, 'unknown tag !<' + state.tag + '>'); + } + + if (state.result !== null && type.kind !== state.kind) { + throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"'); + } + + if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched + throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag'); + } else { + state.result = type.construct(state.result, state.tag); + if (state.anchor !== null) { + state.anchorMap[state.anchor] = state.result; + } + } + } + + if (state.listener !== null) { + state.listener('close', state); + } + return state.tag !== null || state.anchor !== null || hasContent; +} + +function readDocument(state) { + var documentStart = state.position, + _position, + directiveName, + directiveArgs, + hasDirectives = false, + ch; + + state.version = null; + state.checkLineBreaks = state.legacy; + state.tagMap = Object.create(null); + state.anchorMap = Object.create(null); + + while ((ch = state.input.charCodeAt(state.position)) !== 0) { + skipSeparationSpace(state, true, -1); + + ch = state.input.charCodeAt(state.position); + + if (state.lineIndent > 0 || ch !== 0x25/* % */) { + break; + } + + hasDirectives = true; + ch = state.input.charCodeAt(++state.position); + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveName = state.input.slice(_position, state.position); + directiveArgs = []; + + if (directiveName.length < 1) { + throwError(state, 'directive name must not be less than one character in length'); + } + + while (ch !== 0) { + while (is_WHITE_SPACE(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + if (ch === 0x23/* # */) { + do { ch = state.input.charCodeAt(++state.position); } + while (ch !== 0 && !is_EOL(ch)); + break; + } + + if (is_EOL(ch)) break; + + _position = state.position; + + while (ch !== 0 && !is_WS_OR_EOL(ch)) { + ch = state.input.charCodeAt(++state.position); + } + + directiveArgs.push(state.input.slice(_position, state.position)); + } + + if (ch !== 0) readLineBreak(state); + + if (_hasOwnProperty.call(directiveHandlers, directiveName)) { + directiveHandlers[directiveName](state, directiveName, directiveArgs); + } else { + throwWarning(state, 'unknown document directive "' + directiveName + '"'); + } + } + + skipSeparationSpace(state, true, -1); + + if (state.lineIndent === 0 && + state.input.charCodeAt(state.position) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 1) === 0x2D/* - */ && + state.input.charCodeAt(state.position + 2) === 0x2D/* - */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + + } else if (hasDirectives) { + throwError(state, 'directives end mark is expected'); + } + + composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true); + skipSeparationSpace(state, true, -1); + + if (state.checkLineBreaks && + PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) { + throwWarning(state, 'non-ASCII line breaks are interpreted as content'); + } + + state.documents.push(state.result); + + if (state.position === state.lineStart && testDocumentSeparator(state)) { + + if (state.input.charCodeAt(state.position) === 0x2E/* . */) { + state.position += 3; + skipSeparationSpace(state, true, -1); + } + return; + } + + if (state.position < (state.length - 1)) { + throwError(state, 'end of the stream or a document separator is expected'); + } else { + return; + } +} + + +function loadDocuments(input, options) { + input = String(input); + options = options || {}; + + if (input.length !== 0) { + + // Add tailing `\n` if not exists + if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ && + input.charCodeAt(input.length - 1) !== 0x0D/* CR */) { + input += '\n'; + } + + // Strip BOM + if (input.charCodeAt(0) === 0xFEFF) { + input = input.slice(1); + } + } + + var state = new State(input, options); + + var nullpos = input.indexOf('\0'); + + if (nullpos !== -1) { + state.position = nullpos; + throwError(state, 'null byte is not allowed in input'); + } + + // Use 0 as string terminator. That significantly simplifies bounds check. + state.input += '\0'; + + while (state.input.charCodeAt(state.position) === 0x20/* Space */) { + state.lineIndent += 1; + state.position += 1; + } + + while (state.position < (state.length - 1)) { + readDocument(state); + } + + return state.documents; +} + + +function loadAll(input, iterator, options) { + if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') { + options = iterator; + iterator = null; + } + + var documents = loadDocuments(input, options); + + if (typeof iterator !== 'function') { + return documents; + } + + for (var index = 0, length = documents.length; index < length; index += 1) { + iterator(documents[index]); + } +} + + +function load(input, options) { + var documents = loadDocuments(input, options); + + if (documents.length === 0) { + /*eslint-disable no-undefined*/ + return undefined; + } else if (documents.length === 1) { + return documents[0]; + } + throw new YAMLException('expected a single document in the stream, but found more'); +} + + +module.exports.loadAll = loadAll; +module.exports.load = load; diff --git a/module/node_modules/js-yaml/lib/schema.js b/module/node_modules/js-yaml/lib/schema.js new file mode 100644 index 000000000..65b41f401 --- /dev/null +++ b/module/node_modules/js-yaml/lib/schema.js @@ -0,0 +1,121 @@ +'use strict'; + +/*eslint-disable max-len*/ + +var YAMLException = require('./exception'); +var Type = require('./type'); + + +function compileList(schema, name) { + var result = []; + + schema[name].forEach(function (currentType) { + var newIndex = result.length; + + result.forEach(function (previousType, previousIndex) { + if (previousType.tag === currentType.tag && + previousType.kind === currentType.kind && + previousType.multi === currentType.multi) { + + newIndex = previousIndex; + } + }); + + result[newIndex] = currentType; + }); + + return result; +} + + +function compileMap(/* lists... */) { + var result = { + scalar: {}, + sequence: {}, + mapping: {}, + fallback: {}, + multi: { + scalar: [], + sequence: [], + mapping: [], + fallback: [] + } + }, index, length; + + function collectType(type) { + if (type.multi) { + result.multi[type.kind].push(type); + result.multi['fallback'].push(type); + } else { + result[type.kind][type.tag] = result['fallback'][type.tag] = type; + } + } + + for (index = 0, length = arguments.length; index < length; index += 1) { + arguments[index].forEach(collectType); + } + return result; +} + + +function Schema(definition) { + return this.extend(definition); +} + + +Schema.prototype.extend = function extend(definition) { + var implicit = []; + var explicit = []; + + if (definition instanceof Type) { + // Schema.extend(type) + explicit.push(definition); + + } else if (Array.isArray(definition)) { + // Schema.extend([ type1, type2, ... ]) + explicit = explicit.concat(definition); + + } else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) { + // Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] }) + if (definition.implicit) implicit = implicit.concat(definition.implicit); + if (definition.explicit) explicit = explicit.concat(definition.explicit); + + } else { + throw new YAMLException('Schema.extend argument should be a Type, [ Type ], ' + + 'or a schema definition ({ implicit: [...], explicit: [...] })'); + } + + implicit.forEach(function (type) { + if (!(type instanceof Type)) { + throw new YAMLException('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + + if (type.loadKind && type.loadKind !== 'scalar') { + throw new YAMLException('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.'); + } + + if (type.multi) { + throw new YAMLException('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.'); + } + }); + + explicit.forEach(function (type) { + if (!(type instanceof Type)) { + throw new YAMLException('Specified list of YAML types (or a single Type object) contains a non-Type object.'); + } + }); + + var result = Object.create(Schema.prototype); + + result.implicit = (this.implicit || []).concat(implicit); + result.explicit = (this.explicit || []).concat(explicit); + + result.compiledImplicit = compileList(result, 'implicit'); + result.compiledExplicit = compileList(result, 'explicit'); + result.compiledTypeMap = compileMap(result.compiledImplicit, result.compiledExplicit); + + return result; +}; + + +module.exports = Schema; diff --git a/module/node_modules/js-yaml/lib/schema/core.js b/module/node_modules/js-yaml/lib/schema/core.js new file mode 100644 index 000000000..608b26de2 --- /dev/null +++ b/module/node_modules/js-yaml/lib/schema/core.js @@ -0,0 +1,11 @@ +// Standard YAML's Core schema. +// http://www.yaml.org/spec/1.2/spec.html#id2804923 +// +// NOTE: JS-YAML does not support schema-specific tag resolution restrictions. +// So, Core schema has no distinctions from JSON schema is JS-YAML. + + +'use strict'; + + +module.exports = require('./json'); diff --git a/module/node_modules/js-yaml/lib/schema/default.js b/module/node_modules/js-yaml/lib/schema/default.js new file mode 100644 index 000000000..3af0520d5 --- /dev/null +++ b/module/node_modules/js-yaml/lib/schema/default.js @@ -0,0 +1,22 @@ +// JS-YAML's default schema for `safeLoad` function. +// It is not described in the YAML specification. +// +// This schema is based on standard YAML's Core schema and includes most of +// extra types described at YAML tag repository. (http://yaml.org/type/) + + +'use strict'; + + +module.exports = require('./core').extend({ + implicit: [ + require('../type/timestamp'), + require('../type/merge') + ], + explicit: [ + require('../type/binary'), + require('../type/omap'), + require('../type/pairs'), + require('../type/set') + ] +}); diff --git a/module/node_modules/js-yaml/lib/schema/failsafe.js b/module/node_modules/js-yaml/lib/schema/failsafe.js new file mode 100644 index 000000000..b7a33eb7a --- /dev/null +++ b/module/node_modules/js-yaml/lib/schema/failsafe.js @@ -0,0 +1,17 @@ +// Standard YAML's Failsafe schema. +// http://www.yaml.org/spec/1.2/spec.html#id2802346 + + +'use strict'; + + +var Schema = require('../schema'); + + +module.exports = new Schema({ + explicit: [ + require('../type/str'), + require('../type/seq'), + require('../type/map') + ] +}); diff --git a/module/node_modules/js-yaml/lib/schema/json.js b/module/node_modules/js-yaml/lib/schema/json.js new file mode 100644 index 000000000..b73df78e5 --- /dev/null +++ b/module/node_modules/js-yaml/lib/schema/json.js @@ -0,0 +1,19 @@ +// Standard YAML's JSON schema. +// http://www.yaml.org/spec/1.2/spec.html#id2803231 +// +// NOTE: JS-YAML does not support schema-specific tag resolution restrictions. +// So, this schema is not such strict as defined in the YAML specification. +// It allows numbers in binary notaion, use `Null` and `NULL` as `null`, etc. + + +'use strict'; + + +module.exports = require('./failsafe').extend({ + implicit: [ + require('../type/null'), + require('../type/bool'), + require('../type/int'), + require('../type/float') + ] +}); diff --git a/module/node_modules/js-yaml/lib/snippet.js b/module/node_modules/js-yaml/lib/snippet.js new file mode 100644 index 000000000..00e2133c0 --- /dev/null +++ b/module/node_modules/js-yaml/lib/snippet.js @@ -0,0 +1,101 @@ +'use strict'; + + +var common = require('./common'); + + +// get snippet for a single line, respecting maxLength +function getLine(buffer, lineStart, lineEnd, position, maxLineLength) { + var head = ''; + var tail = ''; + var maxHalfLength = Math.floor(maxLineLength / 2) - 1; + + if (position - lineStart > maxHalfLength) { + head = ' ... '; + lineStart = position - maxHalfLength + head.length; + } + + if (lineEnd - position > maxHalfLength) { + tail = ' ...'; + lineEnd = position + maxHalfLength - tail.length; + } + + return { + str: head + buffer.slice(lineStart, lineEnd).replace(/\t/g, '→') + tail, + pos: position - lineStart + head.length // relative position + }; +} + + +function padStart(string, max) { + return common.repeat(' ', max - string.length) + string; +} + + +function makeSnippet(mark, options) { + options = Object.create(options || null); + + if (!mark.buffer) return null; + + if (!options.maxLength) options.maxLength = 79; + if (typeof options.indent !== 'number') options.indent = 1; + if (typeof options.linesBefore !== 'number') options.linesBefore = 3; + if (typeof options.linesAfter !== 'number') options.linesAfter = 2; + + var re = /\r?\n|\r|\0/g; + var lineStarts = [ 0 ]; + var lineEnds = []; + var match; + var foundLineNo = -1; + + while ((match = re.exec(mark.buffer))) { + lineEnds.push(match.index); + lineStarts.push(match.index + match[0].length); + + if (mark.position <= match.index && foundLineNo < 0) { + foundLineNo = lineStarts.length - 2; + } + } + + if (foundLineNo < 0) foundLineNo = lineStarts.length - 1; + + var result = '', i, line; + var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length; + var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3); + + for (i = 1; i <= options.linesBefore; i++) { + if (foundLineNo - i < 0) break; + line = getLine( + mark.buffer, + lineStarts[foundLineNo - i], + lineEnds[foundLineNo - i], + mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]), + maxLineLength + ); + result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n' + result; + } + + line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength); + result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n'; + result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\n'; + + for (i = 1; i <= options.linesAfter; i++) { + if (foundLineNo + i >= lineEnds.length) break; + line = getLine( + mark.buffer, + lineStarts[foundLineNo + i], + lineEnds[foundLineNo + i], + mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]), + maxLineLength + ); + result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) + + ' | ' + line.str + '\n'; + } + + return result.replace(/\n$/, ''); +} + + +module.exports = makeSnippet; diff --git a/module/node_modules/js-yaml/lib/type.js b/module/node_modules/js-yaml/lib/type.js new file mode 100644 index 000000000..5e57877fe --- /dev/null +++ b/module/node_modules/js-yaml/lib/type.js @@ -0,0 +1,66 @@ +'use strict'; + +var YAMLException = require('./exception'); + +var TYPE_CONSTRUCTOR_OPTIONS = [ + 'kind', + 'multi', + 'resolve', + 'construct', + 'instanceOf', + 'predicate', + 'represent', + 'representName', + 'defaultStyle', + 'styleAliases' +]; + +var YAML_NODE_KINDS = [ + 'scalar', + 'sequence', + 'mapping' +]; + +function compileStyleAliases(map) { + var result = {}; + + if (map !== null) { + Object.keys(map).forEach(function (style) { + map[style].forEach(function (alias) { + result[String(alias)] = style; + }); + }); + } + + return result; +} + +function Type(tag, options) { + options = options || {}; + + Object.keys(options).forEach(function (name) { + if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) { + throw new YAMLException('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.'); + } + }); + + // TODO: Add tag format check. + this.options = options; // keep original options in case user wants to extend this type later + this.tag = tag; + this.kind = options['kind'] || null; + this.resolve = options['resolve'] || function () { return true; }; + this.construct = options['construct'] || function (data) { return data; }; + this.instanceOf = options['instanceOf'] || null; + this.predicate = options['predicate'] || null; + this.represent = options['represent'] || null; + this.representName = options['representName'] || null; + this.defaultStyle = options['defaultStyle'] || null; + this.multi = options['multi'] || false; + this.styleAliases = compileStyleAliases(options['styleAliases'] || null); + + if (YAML_NODE_KINDS.indexOf(this.kind) === -1) { + throw new YAMLException('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.'); + } +} + +module.exports = Type; diff --git a/module/node_modules/js-yaml/lib/type/binary.js b/module/node_modules/js-yaml/lib/type/binary.js new file mode 100644 index 000000000..e1523513d --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/binary.js @@ -0,0 +1,125 @@ +'use strict'; + +/*eslint-disable no-bitwise*/ + + +var Type = require('../type'); + + +// [ 64, 65, 66 ] -> [ padding, CR, LF ] +var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r'; + + +function resolveYamlBinary(data) { + if (data === null) return false; + + var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP; + + // Convert one by one. + for (idx = 0; idx < max; idx++) { + code = map.indexOf(data.charAt(idx)); + + // Skip CR/LF + if (code > 64) continue; + + // Fail on illegal characters + if (code < 0) return false; + + bitlen += 6; + } + + // If there are any bits left, source was corrupted + return (bitlen % 8) === 0; +} + +function constructYamlBinary(data) { + var idx, tailbits, + input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan + max = input.length, + map = BASE64_MAP, + bits = 0, + result = []; + + // Collect by 6*4 bits (3 bytes) + + for (idx = 0; idx < max; idx++) { + if ((idx % 4 === 0) && idx) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } + + bits = (bits << 6) | map.indexOf(input.charAt(idx)); + } + + // Dump tail + + tailbits = (max % 4) * 6; + + if (tailbits === 0) { + result.push((bits >> 16) & 0xFF); + result.push((bits >> 8) & 0xFF); + result.push(bits & 0xFF); + } else if (tailbits === 18) { + result.push((bits >> 10) & 0xFF); + result.push((bits >> 2) & 0xFF); + } else if (tailbits === 12) { + result.push((bits >> 4) & 0xFF); + } + + return new Uint8Array(result); +} + +function representYamlBinary(object /*, style*/) { + var result = '', bits = 0, idx, tail, + max = object.length, + map = BASE64_MAP; + + // Convert every three bytes to 4 ASCII characters. + + for (idx = 0; idx < max; idx++) { + if ((idx % 3 === 0) && idx) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } + + bits = (bits << 8) + object[idx]; + } + + // Dump tail + + tail = max % 3; + + if (tail === 0) { + result += map[(bits >> 18) & 0x3F]; + result += map[(bits >> 12) & 0x3F]; + result += map[(bits >> 6) & 0x3F]; + result += map[bits & 0x3F]; + } else if (tail === 2) { + result += map[(bits >> 10) & 0x3F]; + result += map[(bits >> 4) & 0x3F]; + result += map[(bits << 2) & 0x3F]; + result += map[64]; + } else if (tail === 1) { + result += map[(bits >> 2) & 0x3F]; + result += map[(bits << 4) & 0x3F]; + result += map[64]; + result += map[64]; + } + + return result; +} + +function isBinary(obj) { + return Object.prototype.toString.call(obj) === '[object Uint8Array]'; +} + +module.exports = new Type('tag:yaml.org,2002:binary', { + kind: 'scalar', + resolve: resolveYamlBinary, + construct: constructYamlBinary, + predicate: isBinary, + represent: representYamlBinary +}); diff --git a/module/node_modules/js-yaml/lib/type/bool.js b/module/node_modules/js-yaml/lib/type/bool.js new file mode 100644 index 000000000..cb7745930 --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/bool.js @@ -0,0 +1,35 @@ +'use strict'; + +var Type = require('../type'); + +function resolveYamlBoolean(data) { + if (data === null) return false; + + var max = data.length; + + return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) || + (max === 5 && (data === 'false' || data === 'False' || data === 'FALSE')); +} + +function constructYamlBoolean(data) { + return data === 'true' || + data === 'True' || + data === 'TRUE'; +} + +function isBoolean(object) { + return Object.prototype.toString.call(object) === '[object Boolean]'; +} + +module.exports = new Type('tag:yaml.org,2002:bool', { + kind: 'scalar', + resolve: resolveYamlBoolean, + construct: constructYamlBoolean, + predicate: isBoolean, + represent: { + lowercase: function (object) { return object ? 'true' : 'false'; }, + uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; }, + camelcase: function (object) { return object ? 'True' : 'False'; } + }, + defaultStyle: 'lowercase' +}); diff --git a/module/node_modules/js-yaml/lib/type/float.js b/module/node_modules/js-yaml/lib/type/float.js new file mode 100644 index 000000000..74d77ec2e --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/float.js @@ -0,0 +1,97 @@ +'use strict'; + +var common = require('../common'); +var Type = require('../type'); + +var YAML_FLOAT_PATTERN = new RegExp( + // 2.5e4, 2.5 and integers + '^(?:[-+]?(?:[0-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' + + // .2e4, .2 + // special case, seems not from spec + '|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' + + // .inf + '|[-+]?\\.(?:inf|Inf|INF)' + + // .nan + '|\\.(?:nan|NaN|NAN))$'); + +function resolveYamlFloat(data) { + if (data === null) return false; + + if (!YAML_FLOAT_PATTERN.test(data) || + // Quick hack to not allow integers end with `_` + // Probably should update regexp & check speed + data[data.length - 1] === '_') { + return false; + } + + return true; +} + +function constructYamlFloat(data) { + var value, sign; + + value = data.replace(/_/g, '').toLowerCase(); + sign = value[0] === '-' ? -1 : 1; + + if ('+-'.indexOf(value[0]) >= 0) { + value = value.slice(1); + } + + if (value === '.inf') { + return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY; + + } else if (value === '.nan') { + return NaN; + } + return sign * parseFloat(value, 10); +} + + +var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/; + +function representYamlFloat(object, style) { + var res; + + if (isNaN(object)) { + switch (style) { + case 'lowercase': return '.nan'; + case 'uppercase': return '.NAN'; + case 'camelcase': return '.NaN'; + } + } else if (Number.POSITIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '.inf'; + case 'uppercase': return '.INF'; + case 'camelcase': return '.Inf'; + } + } else if (Number.NEGATIVE_INFINITY === object) { + switch (style) { + case 'lowercase': return '-.inf'; + case 'uppercase': return '-.INF'; + case 'camelcase': return '-.Inf'; + } + } else if (common.isNegativeZero(object)) { + return '-0.0'; + } + + res = object.toString(10); + + // JS stringifier can build scientific format without dots: 5e-100, + // while YAML requres dot: 5.e-100. Fix it with simple hack + + return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res; +} + +function isFloat(object) { + return (Object.prototype.toString.call(object) === '[object Number]') && + (object % 1 !== 0 || common.isNegativeZero(object)); +} + +module.exports = new Type('tag:yaml.org,2002:float', { + kind: 'scalar', + resolve: resolveYamlFloat, + construct: constructYamlFloat, + predicate: isFloat, + represent: representYamlFloat, + defaultStyle: 'lowercase' +}); diff --git a/module/node_modules/js-yaml/lib/type/int.js b/module/node_modules/js-yaml/lib/type/int.js new file mode 100644 index 000000000..3fe3a4437 --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/int.js @@ -0,0 +1,156 @@ +'use strict'; + +var common = require('../common'); +var Type = require('../type'); + +function isHexCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) || + ((0x41/* A */ <= c) && (c <= 0x46/* F */)) || + ((0x61/* a */ <= c) && (c <= 0x66/* f */)); +} + +function isOctCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */)); +} + +function isDecCode(c) { + return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)); +} + +function resolveYamlInteger(data) { + if (data === null) return false; + + var max = data.length, + index = 0, + hasDigits = false, + ch; + + if (!max) return false; + + ch = data[index]; + + // sign + if (ch === '-' || ch === '+') { + ch = data[++index]; + } + + if (ch === '0') { + // 0 + if (index + 1 === max) return true; + ch = data[++index]; + + // base 2, base 8, base 16 + + if (ch === 'b') { + // base 2 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (ch !== '0' && ch !== '1') return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'x') { + // base 16 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isHexCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + + + if (ch === 'o') { + // base 8 + index++; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isOctCode(data.charCodeAt(index))) return false; + hasDigits = true; + } + return hasDigits && ch !== '_'; + } + } + + // base 10 (except 0) + + // value should not start with `_`; + if (ch === '_') return false; + + for (; index < max; index++) { + ch = data[index]; + if (ch === '_') continue; + if (!isDecCode(data.charCodeAt(index))) { + return false; + } + hasDigits = true; + } + + // Should have digits and should not end with `_` + if (!hasDigits || ch === '_') return false; + + return true; +} + +function constructYamlInteger(data) { + var value = data, sign = 1, ch; + + if (value.indexOf('_') !== -1) { + value = value.replace(/_/g, ''); + } + + ch = value[0]; + + if (ch === '-' || ch === '+') { + if (ch === '-') sign = -1; + value = value.slice(1); + ch = value[0]; + } + + if (value === '0') return 0; + + if (ch === '0') { + if (value[1] === 'b') return sign * parseInt(value.slice(2), 2); + if (value[1] === 'x') return sign * parseInt(value.slice(2), 16); + if (value[1] === 'o') return sign * parseInt(value.slice(2), 8); + } + + return sign * parseInt(value, 10); +} + +function isInteger(object) { + return (Object.prototype.toString.call(object)) === '[object Number]' && + (object % 1 === 0 && !common.isNegativeZero(object)); +} + +module.exports = new Type('tag:yaml.org,2002:int', { + kind: 'scalar', + resolve: resolveYamlInteger, + construct: constructYamlInteger, + predicate: isInteger, + represent: { + binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); }, + octal: function (obj) { return obj >= 0 ? '0o' + obj.toString(8) : '-0o' + obj.toString(8).slice(1); }, + decimal: function (obj) { return obj.toString(10); }, + /* eslint-disable max-len */ + hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); } + }, + defaultStyle: 'decimal', + styleAliases: { + binary: [ 2, 'bin' ], + octal: [ 8, 'oct' ], + decimal: [ 10, 'dec' ], + hexadecimal: [ 16, 'hex' ] + } +}); diff --git a/module/node_modules/js-yaml/lib/type/map.js b/module/node_modules/js-yaml/lib/type/map.js new file mode 100644 index 000000000..f327beebd --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/map.js @@ -0,0 +1,8 @@ +'use strict'; + +var Type = require('../type'); + +module.exports = new Type('tag:yaml.org,2002:map', { + kind: 'mapping', + construct: function (data) { return data !== null ? data : {}; } +}); diff --git a/module/node_modules/js-yaml/lib/type/merge.js b/module/node_modules/js-yaml/lib/type/merge.js new file mode 100644 index 000000000..ae08a8644 --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/merge.js @@ -0,0 +1,12 @@ +'use strict'; + +var Type = require('../type'); + +function resolveYamlMerge(data) { + return data === '<<' || data === null; +} + +module.exports = new Type('tag:yaml.org,2002:merge', { + kind: 'scalar', + resolve: resolveYamlMerge +}); diff --git a/module/node_modules/js-yaml/lib/type/null.js b/module/node_modules/js-yaml/lib/type/null.js new file mode 100644 index 000000000..315ca4e23 --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/null.js @@ -0,0 +1,35 @@ +'use strict'; + +var Type = require('../type'); + +function resolveYamlNull(data) { + if (data === null) return true; + + var max = data.length; + + return (max === 1 && data === '~') || + (max === 4 && (data === 'null' || data === 'Null' || data === 'NULL')); +} + +function constructYamlNull() { + return null; +} + +function isNull(object) { + return object === null; +} + +module.exports = new Type('tag:yaml.org,2002:null', { + kind: 'scalar', + resolve: resolveYamlNull, + construct: constructYamlNull, + predicate: isNull, + represent: { + canonical: function () { return '~'; }, + lowercase: function () { return 'null'; }, + uppercase: function () { return 'NULL'; }, + camelcase: function () { return 'Null'; }, + empty: function () { return ''; } + }, + defaultStyle: 'lowercase' +}); diff --git a/module/node_modules/js-yaml/lib/type/omap.js b/module/node_modules/js-yaml/lib/type/omap.js new file mode 100644 index 000000000..b2b5323bd --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/omap.js @@ -0,0 +1,44 @@ +'use strict'; + +var Type = require('../type'); + +var _hasOwnProperty = Object.prototype.hasOwnProperty; +var _toString = Object.prototype.toString; + +function resolveYamlOmap(data) { + if (data === null) return true; + + var objectKeys = [], index, length, pair, pairKey, pairHasKey, + object = data; + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + pairHasKey = false; + + if (_toString.call(pair) !== '[object Object]') return false; + + for (pairKey in pair) { + if (_hasOwnProperty.call(pair, pairKey)) { + if (!pairHasKey) pairHasKey = true; + else return false; + } + } + + if (!pairHasKey) return false; + + if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey); + else return false; + } + + return true; +} + +function constructYamlOmap(data) { + return data !== null ? data : []; +} + +module.exports = new Type('tag:yaml.org,2002:omap', { + kind: 'sequence', + resolve: resolveYamlOmap, + construct: constructYamlOmap +}); diff --git a/module/node_modules/js-yaml/lib/type/pairs.js b/module/node_modules/js-yaml/lib/type/pairs.js new file mode 100644 index 000000000..74b52403f --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/pairs.js @@ -0,0 +1,53 @@ +'use strict'; + +var Type = require('../type'); + +var _toString = Object.prototype.toString; + +function resolveYamlPairs(data) { + if (data === null) return true; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + if (_toString.call(pair) !== '[object Object]') return false; + + keys = Object.keys(pair); + + if (keys.length !== 1) return false; + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return true; +} + +function constructYamlPairs(data) { + if (data === null) return []; + + var index, length, pair, keys, result, + object = data; + + result = new Array(object.length); + + for (index = 0, length = object.length; index < length; index += 1) { + pair = object[index]; + + keys = Object.keys(pair); + + result[index] = [ keys[0], pair[keys[0]] ]; + } + + return result; +} + +module.exports = new Type('tag:yaml.org,2002:pairs', { + kind: 'sequence', + resolve: resolveYamlPairs, + construct: constructYamlPairs +}); diff --git a/module/node_modules/js-yaml/lib/type/seq.js b/module/node_modules/js-yaml/lib/type/seq.js new file mode 100644 index 000000000..be8f77f28 --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/seq.js @@ -0,0 +1,8 @@ +'use strict'; + +var Type = require('../type'); + +module.exports = new Type('tag:yaml.org,2002:seq', { + kind: 'sequence', + construct: function (data) { return data !== null ? data : []; } +}); diff --git a/module/node_modules/js-yaml/lib/type/set.js b/module/node_modules/js-yaml/lib/type/set.js new file mode 100644 index 000000000..f885a329c --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/set.js @@ -0,0 +1,29 @@ +'use strict'; + +var Type = require('../type'); + +var _hasOwnProperty = Object.prototype.hasOwnProperty; + +function resolveYamlSet(data) { + if (data === null) return true; + + var key, object = data; + + for (key in object) { + if (_hasOwnProperty.call(object, key)) { + if (object[key] !== null) return false; + } + } + + return true; +} + +function constructYamlSet(data) { + return data !== null ? data : {}; +} + +module.exports = new Type('tag:yaml.org,2002:set', { + kind: 'mapping', + resolve: resolveYamlSet, + construct: constructYamlSet +}); diff --git a/module/node_modules/js-yaml/lib/type/str.js b/module/node_modules/js-yaml/lib/type/str.js new file mode 100644 index 000000000..27acc106c --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/str.js @@ -0,0 +1,8 @@ +'use strict'; + +var Type = require('../type'); + +module.exports = new Type('tag:yaml.org,2002:str', { + kind: 'scalar', + construct: function (data) { return data !== null ? data : ''; } +}); diff --git a/module/node_modules/js-yaml/lib/type/timestamp.js b/module/node_modules/js-yaml/lib/type/timestamp.js new file mode 100644 index 000000000..8fa9c5865 --- /dev/null +++ b/module/node_modules/js-yaml/lib/type/timestamp.js @@ -0,0 +1,88 @@ +'use strict'; + +var Type = require('../type'); + +var YAML_DATE_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9])' + // [2] month + '-([0-9][0-9])$'); // [3] day + +var YAML_TIMESTAMP_REGEXP = new RegExp( + '^([0-9][0-9][0-9][0-9])' + // [1] year + '-([0-9][0-9]?)' + // [2] month + '-([0-9][0-9]?)' + // [3] day + '(?:[Tt]|[ \\t]+)' + // ... + '([0-9][0-9]?)' + // [4] hour + ':([0-9][0-9])' + // [5] minute + ':([0-9][0-9])' + // [6] second + '(?:\\.([0-9]*))?' + // [7] fraction + '(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour + '(?::([0-9][0-9]))?))?$'); // [11] tz_minute + +function resolveYamlTimestamp(data) { + if (data === null) return false; + if (YAML_DATE_REGEXP.exec(data) !== null) return true; + if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true; + return false; +} + +function constructYamlTimestamp(data) { + var match, year, month, day, hour, minute, second, fraction = 0, + delta = null, tz_hour, tz_minute, date; + + match = YAML_DATE_REGEXP.exec(data); + if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data); + + if (match === null) throw new Error('Date resolve error'); + + // match: [1] year [2] month [3] day + + year = +(match[1]); + month = +(match[2]) - 1; // JS month starts with 0 + day = +(match[3]); + + if (!match[4]) { // no hour + return new Date(Date.UTC(year, month, day)); + } + + // match: [4] hour [5] minute [6] second [7] fraction + + hour = +(match[4]); + minute = +(match[5]); + second = +(match[6]); + + if (match[7]) { + fraction = match[7].slice(0, 3); + while (fraction.length < 3) { // milli-seconds + fraction += '0'; + } + fraction = +fraction; + } + + // match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute + + if (match[9]) { + tz_hour = +(match[10]); + tz_minute = +(match[11] || 0); + delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds + if (match[9] === '-') delta = -delta; + } + + date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction)); + + if (delta) date.setTime(date.getTime() - delta); + + return date; +} + +function representYamlTimestamp(object /*, style*/) { + return object.toISOString(); +} + +module.exports = new Type('tag:yaml.org,2002:timestamp', { + kind: 'scalar', + resolve: resolveYamlTimestamp, + construct: constructYamlTimestamp, + instanceOf: Date, + represent: representYamlTimestamp +}); diff --git a/module/node_modules/js-yaml/package.json b/module/node_modules/js-yaml/package.json new file mode 100644 index 000000000..5bbd6c952 --- /dev/null +++ b/module/node_modules/js-yaml/package.json @@ -0,0 +1,66 @@ +{ + "name": "js-yaml", + "version": "4.1.1", + "description": "YAML 1.2 parser and serializer", + "keywords": [ + "yaml", + "parser", + "serializer", + "pyyaml" + ], + "author": "Vladimir Zapparov ", + "contributors": [ + "Aleksey V Zapparov (http://www.ixti.net/)", + "Vitaly Puzrin (https://github.com/puzrin)", + "Martin Grenfell (http://got-ravings.blogspot.com)" + ], + "license": "MIT", + "repository": "nodeca/js-yaml", + "files": [ + "index.js", + "lib/", + "bin/", + "dist/" + ], + "bin": { + "js-yaml": "bin/js-yaml.js" + }, + "module": "./dist/js-yaml.mjs", + "exports": { + ".": { + "import": "./dist/js-yaml.mjs", + "require": "./index.js" + }, + "./package.json": "./package.json" + }, + "scripts": { + "lint": "eslint .", + "test": "npm run lint && mocha", + "coverage": "npm run lint && nyc mocha && nyc report --reporter html", + "demo": "npm run lint && node support/build_demo.js", + "gh-demo": "npm run demo && gh-pages -d demo -f", + "browserify": "rollup -c support/rollup.config.js", + "prepublishOnly": "npm run gh-demo" + }, + "unpkg": "dist/js-yaml.min.js", + "jsdelivr": "dist/js-yaml.min.js", + "dependencies": { + "argparse": "^2.0.1" + }, + "devDependencies": { + "@rollup/plugin-commonjs": "^17.0.0", + "@rollup/plugin-node-resolve": "^11.0.0", + "ansi": "^0.3.1", + "benchmark": "^2.1.4", + "codemirror": "^5.13.4", + "eslint": "^7.0.0", + "fast-check": "^2.8.0", + "gh-pages": "^3.1.0", + "mocha": "^8.2.1", + "nyc": "^15.1.0", + "rollup": "^2.34.1", + "rollup-plugin-node-polyfills": "^0.2.1", + "rollup-plugin-terser": "^7.0.2", + "shelljs": "^0.8.4" + } +} diff --git a/module/node_modules/json-buffer/.travis.yml b/module/node_modules/json-buffer/.travis.yml new file mode 100644 index 000000000..244b7e88e --- /dev/null +++ b/module/node_modules/json-buffer/.travis.yml @@ -0,0 +1,3 @@ +language: node_js +node_js: + - '0.10' diff --git a/module/node_modules/json-buffer/LICENSE b/module/node_modules/json-buffer/LICENSE new file mode 100644 index 000000000..b799ec00c --- /dev/null +++ b/module/node_modules/json-buffer/LICENSE @@ -0,0 +1,22 @@ +Copyright (c) 2013 Dominic Tarr + +Permission is hereby granted, free of charge, +to any person obtaining a copy of this software and +associated documentation files (the "Software"), to +deal in the Software without restriction, including +without limitation the rights to use, copy, modify, +merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom +the Software is furnished to do so, +subject to the following conditions: + +The above copyright notice and this permission notice +shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR +ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/json-buffer/README.md b/module/node_modules/json-buffer/README.md new file mode 100644 index 000000000..4773d6319 --- /dev/null +++ b/module/node_modules/json-buffer/README.md @@ -0,0 +1,24 @@ +# json-buffer + +JSON functions that can convert buffers! + +[![build status](https://secure.travis-ci.org/dominictarr/json-buffer.png)](http://travis-ci.org/dominictarr/json-buffer) + +[![testling badge](https://ci.testling.com/dominictarr/json-buffer.png)](https://ci.testling.com/dominictarr/json-buffer) + +JSON mangles buffers by converting to an array... +which isn't helpful. json-buffers converts to base64 instead, +and deconverts base64 to a buffer. + +``` js +var JSONB = require('json-buffer') +var Buffer = require('buffer').Buffer + +var str = JSONB.stringify(Buffer.from('hello there!')) + +console.log(JSONB.parse(str)) //GET a BUFFER back +``` + +## License + +MIT diff --git a/module/node_modules/json-buffer/index.js b/module/node_modules/json-buffer/index.js new file mode 100644 index 000000000..16f012e41 --- /dev/null +++ b/module/node_modules/json-buffer/index.js @@ -0,0 +1,58 @@ +//TODO: handle reviver/dehydrate function like normal +//and handle indentation, like normal. +//if anyone needs this... please send pull request. + +exports.stringify = function stringify (o) { + if('undefined' == typeof o) return o + + if(o && Buffer.isBuffer(o)) + return JSON.stringify(':base64:' + o.toString('base64')) + + if(o && o.toJSON) + o = o.toJSON() + + if(o && 'object' === typeof o) { + var s = '' + var array = Array.isArray(o) + s = array ? '[' : '{' + var first = true + + for(var k in o) { + var ignore = 'function' == typeof o[k] || (!array && 'undefined' === typeof o[k]) + if(Object.hasOwnProperty.call(o, k) && !ignore) { + if(!first) + s += ',' + first = false + if (array) { + if(o[k] == undefined) + s += 'null' + else + s += stringify(o[k]) + } else if (o[k] !== void(0)) { + s += stringify(k) + ':' + stringify(o[k]) + } + } + } + + s += array ? ']' : '}' + + return s + } else if ('string' === typeof o) { + return JSON.stringify(/^:/.test(o) ? ':' + o : o) + } else if ('undefined' === typeof o) { + return 'null'; + } else + return JSON.stringify(o) +} + +exports.parse = function (s) { + return JSON.parse(s, function (key, value) { + if('string' === typeof value) { + if(/^:base64:/.test(value)) + return Buffer.from(value.substring(8), 'base64') + else + return /^:/.test(value) ? value.substring(1) : value + } + return value + }) +} diff --git a/module/node_modules/json-buffer/package.json b/module/node_modules/json-buffer/package.json new file mode 100644 index 000000000..346747fd4 --- /dev/null +++ b/module/node_modules/json-buffer/package.json @@ -0,0 +1,34 @@ +{ + "name": "json-buffer", + "description": "JSON parse & stringify that supports binary via bops & base64", + "version": "3.0.1", + "homepage": "https://github.com/dominictarr/json-buffer", + "repository": { + "type": "git", + "url": "git://github.com/dominictarr/json-buffer.git" + }, + "devDependencies": { + "tape": "^4.6.3" + }, + "scripts": { + "test": "set -e; for t in test/*.js; do node $t; done" + }, + "author": "Dominic Tarr (http://dominictarr.com)", + "license": "MIT", + "testling": { + "files": "test/*.js", + "browsers": [ + "ie/8..latest", + "firefox/17..latest", + "firefox/nightly", + "chrome/22..latest", + "chrome/canary", + "opera/12..latest", + "opera/next", + "safari/5.1..latest", + "ipad/6.0..latest", + "iphone/6.0..latest", + "android-browser/4.2..latest" + ] + } +} diff --git a/module/node_modules/json-buffer/test/index.js b/module/node_modules/json-buffer/test/index.js new file mode 100644 index 000000000..94e837207 --- /dev/null +++ b/module/node_modules/json-buffer/test/index.js @@ -0,0 +1,63 @@ + +var test = require('tape') +var _JSON = require('../') + +function clone (o) { + return JSON.parse(JSON.stringify(o)) +} + +var examples = { + simple: { foo: [], bar: {}, baz: Buffer.from('some binary data') }, + just_buffer: Buffer.from('JUST A BUFFER'), + all_types: { + string:'hello', + number: 3145, + null: null, + object: {}, + array: [], + boolean: true, + boolean2: false + }, + foo: Buffer.from('foo'), + foo2: Buffer.from('foo2'), + escape: { + buffer: Buffer.from('x'), + string: _JSON.stringify(Buffer.from('x')) + }, + escape2: { + buffer: Buffer.from('x'), + string: ':base64:'+ Buffer.from('x').toString('base64') + }, + undefined: { + empty: undefined, test: true + }, + undefined2: { + first: 1, empty: undefined, test: true + }, + undefinedArray: { + array: [undefined, 1, 'two'] + }, + fn: { + fn: function () {} + }, + undefined: undefined +} + +for(k in examples) +(function (value, k) { + test(k, function (t) { + var s = _JSON.stringify(value) + console.log('parse', s) + if(JSON.stringify(value) !== undefined) { + console.log(s) + var _value = _JSON.parse(s) + t.deepEqual(clone(_value), clone(value)) + } + else + t.equal(s, undefined) + t.end() + }) +})(examples[k], k) + + + diff --git a/module/node_modules/json-schema-traverse/.eslintrc.yml b/module/node_modules/json-schema-traverse/.eslintrc.yml new file mode 100644 index 000000000..ab1762da9 --- /dev/null +++ b/module/node_modules/json-schema-traverse/.eslintrc.yml @@ -0,0 +1,27 @@ +extends: eslint:recommended +env: + node: true + browser: true +rules: + block-scoped-var: 2 + complexity: [2, 13] + curly: [2, multi-or-nest, consistent] + dot-location: [2, property] + dot-notation: 2 + indent: [2, 2, SwitchCase: 1] + linebreak-style: [2, unix] + new-cap: 2 + no-console: [2, allow: [warn, error]] + no-else-return: 2 + no-eq-null: 2 + no-fallthrough: 2 + no-invalid-this: 2 + no-return-assign: 2 + no-shadow: 1 + no-trailing-spaces: 2 + no-use-before-define: [2, nofunc] + quotes: [2, single, avoid-escape] + semi: [2, always] + strict: [2, global] + valid-jsdoc: [2, requireReturn: false] + no-control-regex: 0 diff --git a/module/node_modules/json-schema-traverse/.travis.yml b/module/node_modules/json-schema-traverse/.travis.yml new file mode 100644 index 000000000..7ddce74b8 --- /dev/null +++ b/module/node_modules/json-schema-traverse/.travis.yml @@ -0,0 +1,8 @@ +language: node_js +node_js: + - "4" + - "6" + - "7" + - "8" +after_script: + - coveralls < coverage/lcov.info diff --git a/module/node_modules/json-schema-traverse/LICENSE b/module/node_modules/json-schema-traverse/LICENSE new file mode 100644 index 000000000..7f1543566 --- /dev/null +++ b/module/node_modules/json-schema-traverse/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2017 Evgeny Poberezkin + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/module/node_modules/json-schema-traverse/README.md b/module/node_modules/json-schema-traverse/README.md new file mode 100644 index 000000000..d5ccaf450 --- /dev/null +++ b/module/node_modules/json-schema-traverse/README.md @@ -0,0 +1,83 @@ +# json-schema-traverse +Traverse JSON Schema passing each schema object to callback + +[![Build Status](https://travis-ci.org/epoberezkin/json-schema-traverse.svg?branch=master)](https://travis-ci.org/epoberezkin/json-schema-traverse) +[![npm version](https://badge.fury.io/js/json-schema-traverse.svg)](https://www.npmjs.com/package/json-schema-traverse) +[![Coverage Status](https://coveralls.io/repos/github/epoberezkin/json-schema-traverse/badge.svg?branch=master)](https://coveralls.io/github/epoberezkin/json-schema-traverse?branch=master) + + +## Install + +``` +npm install json-schema-traverse +``` + + +## Usage + +```javascript +const traverse = require('json-schema-traverse'); +const schema = { + properties: { + foo: {type: 'string'}, + bar: {type: 'integer'} + } +}; + +traverse(schema, {cb}); +// cb is called 3 times with: +// 1. root schema +// 2. {type: 'string'} +// 3. {type: 'integer'} + +// Or: + +traverse(schema, {cb: {pre, post}}); +// pre is called 3 times with: +// 1. root schema +// 2. {type: 'string'} +// 3. {type: 'integer'} +// +// post is called 3 times with: +// 1. {type: 'string'} +// 2. {type: 'integer'} +// 3. root schema + +``` + +Callback function `cb` is called for each schema object (not including draft-06 boolean schemas), including the root schema, in pre-order traversal. Schema references ($ref) are not resolved, they are passed as is. Alternatively, you can pass a `{pre, post}` object as `cb`, and then `pre` will be called before traversing child elements, and `post` will be called after all child elements have been traversed. + +Callback is passed these parameters: + +- _schema_: the current schema object +- _JSON pointer_: from the root schema to the current schema object +- _root schema_: the schema passed to `traverse` object +- _parent JSON pointer_: from the root schema to the parent schema object (see below) +- _parent keyword_: the keyword inside which this schema appears (e.g. `properties`, `anyOf`, etc.) +- _parent schema_: not necessarily parent object/array; in the example above the parent schema for `{type: 'string'}` is the root schema +- _index/property_: index or property name in the array/object containing multiple schemas; in the example above for `{type: 'string'}` the property name is `'foo'` + + +## Traverse objects in all unknown keywords + +```javascript +const traverse = require('json-schema-traverse'); +const schema = { + mySchema: { + minimum: 1, + maximum: 2 + } +}; + +traverse(schema, {allKeys: true, cb}); +// cb is called 2 times with: +// 1. root schema +// 2. mySchema +``` + +Without option `allKeys: true` callback will be called only with root schema. + + +## License + +[MIT](https://github.com/epoberezkin/json-schema-traverse/blob/master/LICENSE) diff --git a/module/node_modules/json-schema-traverse/index.js b/module/node_modules/json-schema-traverse/index.js new file mode 100644 index 000000000..d4a18dfc7 --- /dev/null +++ b/module/node_modules/json-schema-traverse/index.js @@ -0,0 +1,89 @@ +'use strict'; + +var traverse = module.exports = function (schema, opts, cb) { + // Legacy support for v0.3.1 and earlier. + if (typeof opts == 'function') { + cb = opts; + opts = {}; + } + + cb = opts.cb || cb; + var pre = (typeof cb == 'function') ? cb : cb.pre || function() {}; + var post = cb.post || function() {}; + + _traverse(opts, pre, post, schema, '', schema); +}; + + +traverse.keywords = { + additionalItems: true, + items: true, + contains: true, + additionalProperties: true, + propertyNames: true, + not: true +}; + +traverse.arrayKeywords = { + items: true, + allOf: true, + anyOf: true, + oneOf: true +}; + +traverse.propsKeywords = { + definitions: true, + properties: true, + patternProperties: true, + dependencies: true +}; + +traverse.skipKeywords = { + default: true, + enum: true, + const: true, + required: true, + maximum: true, + minimum: true, + exclusiveMaximum: true, + exclusiveMinimum: true, + multipleOf: true, + maxLength: true, + minLength: true, + pattern: true, + format: true, + maxItems: true, + minItems: true, + uniqueItems: true, + maxProperties: true, + minProperties: true +}; + + +function _traverse(opts, pre, post, schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex) { + if (schema && typeof schema == 'object' && !Array.isArray(schema)) { + pre(schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex); + for (var key in schema) { + var sch = schema[key]; + if (Array.isArray(sch)) { + if (key in traverse.arrayKeywords) { + for (var i=0; i + keyv +
+
+ + +> Simple key-value storage with support for multiple backends + +[![build](https://github.com/jaredwray/keyv/actions/workflows/tests.yaml/badge.svg)](https://github.com/jaredwray/keyv/actions/workflows/tests.yaml) +[![codecov](https://codecov.io/gh/jaredwray/keyv/branch/main/graph/badge.svg?token=bRzR3RyOXZ)](https://codecov.io/gh/jaredwray/keyv) +[![npm](https://img.shields.io/npm/dm/keyv.svg)](https://www.npmjs.com/package/keyv) +[![npm](https://img.shields.io/npm/v/keyv.svg)](https://www.npmjs.com/package/keyv) + +Keyv provides a consistent interface for key-value storage across multiple backends via storage adapters. It supports TTL based expiry, making it suitable as a cache or a persistent key-value store. + +## Features + +There are a few existing modules similar to Keyv, however Keyv is different because it: + +- Isn't bloated +- Has a simple Promise based API +- Suitable as a TTL based cache or persistent key-value store +- [Easily embeddable](#add-cache-support-to-your-module) inside another module +- Works with any storage that implements the [`Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map) API +- Handles all JSON types plus `Buffer` +- Supports namespaces +- Wide range of [**efficient, well tested**](#official-storage-adapters) storage adapters +- Connection errors are passed through (db failures won't kill your app) +- Supports the current active LTS version of Node.js or higher + +## Usage + +Install Keyv. + +``` +npm install --save keyv +``` + +By default everything is stored in memory, you can optionally also install a storage adapter. + +``` +npm install --save @keyv/redis +npm install --save @keyv/mongo +npm install --save @keyv/sqlite +npm install --save @keyv/postgres +npm install --save @keyv/mysql +npm install --save @keyv/etcd +``` + +Create a new Keyv instance, passing your connection string if applicable. Keyv will automatically load the correct storage adapter. + +```js +const Keyv = require('keyv'); + +// One of the following +const keyv = new Keyv(); +const keyv = new Keyv('redis://user:pass@localhost:6379'); +const keyv = new Keyv('mongodb://user:pass@localhost:27017/dbname'); +const keyv = new Keyv('sqlite://path/to/database.sqlite'); +const keyv = new Keyv('postgresql://user:pass@localhost:5432/dbname'); +const keyv = new Keyv('mysql://user:pass@localhost:3306/dbname'); +const keyv = new Keyv('etcd://localhost:2379'); + +// Handle DB connection errors +keyv.on('error', err => console.log('Connection Error', err)); + +await keyv.set('foo', 'expires in 1 second', 1000); // true +await keyv.set('foo', 'never expires'); // true +await keyv.get('foo'); // 'never expires' +await keyv.delete('foo'); // true +await keyv.clear(); // undefined +``` + +### Namespaces + +You can namespace your Keyv instance to avoid key collisions and allow you to clear only a certain namespace while using the same database. + +```js +const users = new Keyv('redis://user:pass@localhost:6379', { namespace: 'users' }); +const cache = new Keyv('redis://user:pass@localhost:6379', { namespace: 'cache' }); + +await users.set('foo', 'users'); // true +await cache.set('foo', 'cache'); // true +await users.get('foo'); // 'users' +await cache.get('foo'); // 'cache' +await users.clear(); // undefined +await users.get('foo'); // undefined +await cache.get('foo'); // 'cache' +``` + +### Custom Serializers + +Keyv uses [`json-buffer`](https://github.com/dominictarr/json-buffer) for data serialization to ensure consistency across different backends. + +You can optionally provide your own serialization functions to support extra data types or to serialize to something other than JSON. + +```js +const keyv = new Keyv({ serialize: JSON.stringify, deserialize: JSON.parse }); +``` + +**Warning:** Using custom serializers means you lose any guarantee of data consistency. You should do extensive testing with your serialisation functions and chosen storage engine. + +## Official Storage Adapters + +The official storage adapters are covered by [over 150 integration tests](https://github.com/jaredwray/keyv/actions/workflows/tests.yaml) to guarantee consistent behaviour. They are lightweight, efficient wrappers over the DB clients making use of indexes and native TTLs where available. + +Database | Adapter | Native TTL +---|---|--- +Redis | [@keyv/redis](https://github.com/jaredwray/keyv/tree/master/packages/redis) | Yes +MongoDB | [@keyv/mongo](https://github.com/jaredwray/keyv/tree/master/packages/mongo) | Yes +SQLite | [@keyv/sqlite](https://github.com/jaredwray/keyv/tree/master/packages/sqlite) | No +PostgreSQL | [@keyv/postgres](https://github.com/jaredwray/keyv/tree/master/packages/postgres) | No +MySQL | [@keyv/mysql](https://github.com/jaredwray/keyv/tree/master/packages/mysql) | No +Etcd | [@keyv/etcd](https://github.com/jaredwray/keyv/tree/master/packages/etcd) | Yes +Memcache | [@keyv/memcache](https://github.com/jaredwray/keyv/tree/master/packages/memcache) | Yes + +## Third-party Storage Adapters + +You can also use third-party storage adapters or build your own. Keyv will wrap these storage adapters in TTL functionality and handle complex types internally. + +```js +const Keyv = require('keyv'); +const myAdapter = require('./my-storage-adapter'); + +const keyv = new Keyv({ store: myAdapter }); +``` + +Any store that follows the [`Map`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map) api will work. + +```js +new Keyv({ store: new Map() }); +``` + +For example, [`quick-lru`](https://github.com/sindresorhus/quick-lru) is a completely unrelated module that implements the Map API. + +```js +const Keyv = require('keyv'); +const QuickLRU = require('quick-lru'); + +const lru = new QuickLRU({ maxSize: 1000 }); +const keyv = new Keyv({ store: lru }); +``` + +The following are third-party storage adapters compatible with Keyv: + +- [quick-lru](https://github.com/sindresorhus/quick-lru) - Simple "Least Recently Used" (LRU) cache +- [keyv-file](https://github.com/zaaack/keyv-file) - File system storage adapter for Keyv +- [keyv-dynamodb](https://www.npmjs.com/package/keyv-dynamodb) - DynamoDB storage adapter for Keyv +- [keyv-lru](https://www.npmjs.com/package/keyv-lru) - LRU storage adapter for Keyv +- [keyv-null](https://www.npmjs.com/package/keyv-null) - Null storage adapter for Keyv +- [keyv-firestore ](https://github.com/goto-bus-stop/keyv-firestore) – Firebase Cloud Firestore adapter for Keyv +- [keyv-mssql](https://github.com/pmorgan3/keyv-mssql) - Microsoft Sql Server adapter for Keyv +- [keyv-azuretable](https://github.com/howlowck/keyv-azuretable) - Azure Table Storage/API adapter for Keyv +- [keyv-arango](https://github.com/TimMikeladze/keyv-arango) - ArangoDB storage adapter for Keyv +- [keyv-momento](https://github.com/momentohq/node-keyv-adaptor/) - Momento storage adapter for Keyv + +## Add Cache Support to your Module + +Keyv is designed to be easily embedded into other modules to add cache support. The recommended pattern is to expose a `cache` option in your modules options which is passed through to Keyv. Caching will work in memory by default and users have the option to also install a Keyv storage adapter and pass in a connection string, or any other storage that implements the `Map` API. + +You should also set a namespace for your module so you can safely call `.clear()` without clearing unrelated app data. + +Inside your module: + +```js +class AwesomeModule { + constructor(opts) { + this.cache = new Keyv({ + uri: typeof opts.cache === 'string' && opts.cache, + store: typeof opts.cache !== 'string' && opts.cache, + namespace: 'awesome-module' + }); + } +} +``` + +Now it can be consumed like this: + +```js +const AwesomeModule = require('awesome-module'); + +// Caches stuff in memory by default +const awesomeModule = new AwesomeModule(); + +// After npm install --save keyv-redis +const awesomeModule = new AwesomeModule({ cache: 'redis://localhost' }); + +// Some third-party module that implements the Map API +const awesomeModule = new AwesomeModule({ cache: some3rdPartyStore }); +``` + +## Compression + +Keyv supports `gzip` and `brotli` compression. To enable compression, pass the `compress` option to the constructor. + +```js +const KeyvGzip = require('@keyv/compress-gzip'); +const Keyv = require('keyv'); + +const keyvGzip = new KeyvGzip(); +const keyv = new Keyv({ compression: KeyvGzip }); +``` + +You can also pass a custom compression function to the `compression` option. Following the pattern of the official compression adapters. + +### Want to build your own? + +Great! Keyv is designed to be easily extended. You can build your own compression adapter by following the pattern of the official compression adapters based on this interface: + +```typescript +interface CompressionAdapter { + async compress(value: any, options?: any); + async decompress(value: any, options?: any); + async serialize(value: any); + async deserialize(value: any); +} +``` + +In addition to the interface, you can test it with our compression test suite using @keyv/test-suite: + +```js +const {keyvCompresstionTests} = require('@keyv/test-suite'); +const KeyvGzip = require('@keyv/compress-gzip'); + +keyvCompresstionTests(test, new KeyvGzip()); +``` + +## API + +### new Keyv([uri], [options]) + +Returns a new Keyv instance. + +The Keyv instance is also an `EventEmitter` that will emit an `'error'` event if the storage adapter connection fails. + +### uri + +Type: `String`
+Default: `undefined` + +The connection string URI. + +Merged into the options object as options.uri. + +### options + +Type: `Object` + +The options object is also passed through to the storage adapter. Check your storage adapter docs for any extra options. + +#### options.namespace + +Type: `String`
+Default: `'keyv'` + +Namespace for the current instance. + +#### options.ttl + +Type: `Number`
+Default: `undefined` + +Default TTL. Can be overridden by specififying a TTL on `.set()`. + +#### options.compression + +Type: `@keyv/compress-`
+Default: `undefined` + +Compression package to use. See [Compression](#compression) for more details. + +#### options.serialize + +Type: `Function`
+Default: `JSONB.stringify` + +A custom serialization function. + +#### options.deserialize + +Type: `Function`
+Default: `JSONB.parse` + +A custom deserialization function. + +#### options.store + +Type: `Storage adapter instance`
+Default: `new Map()` + +The storage adapter instance to be used by Keyv. + +#### options.adapter + +Type: `String`
+Default: `undefined` + +Specify an adapter to use. e.g `'redis'` or `'mongodb'`. + +### Instance + +Keys must always be strings. Values can be of any type. + +#### .set(key, value, [ttl]) + +Set a value. + +By default keys are persistent. You can set an expiry TTL in milliseconds. + +Returns a promise which resolves to `true`. + +#### .get(key, [options]) + +Returns a promise which resolves to the retrieved value. + +##### options.raw + +Type: `Boolean`
+Default: `false` + +If set to true the raw DB object Keyv stores internally will be returned instead of just the value. + +This contains the TTL timestamp. + +#### .delete(key) + +Deletes an entry. + +Returns a promise which resolves to `true` if the key existed, `false` if not. + +#### .clear() + +Delete all entries in the current namespace. + +Returns a promise which is resolved when the entries have been cleared. + +#### .iterator() + +Iterate over all entries of the current namespace. + +Returns a iterable that can be iterated by for-of loops. For example: + +```js +// please note that the "await" keyword should be used here +for await (const [key, value] of this.keyv.iterator()) { + console.log(key, value); +}; +``` + +# How to Contribute + +In this section of the documentation we will cover: + +1) How to set up this repository locally +2) How to get started with running commands +3) How to contribute changes using Pull Requests + +## Dependencies + +This package requires the following dependencies to run: + +1) [Yarn V1](https://yarnpkg.com/getting-started/install) +3) [Docker](https://docs.docker.com/get-docker/) + +## Setting up your workspace + +To contribute to this repository, start by setting up this project locally: + +1) Fork this repository into your Git account +2) Clone the forked repository to your local directory using `git clone` +3) Install any of the above missing dependencies + +## Launching the project + +Once the project is installed locally, you are ready to start up its services: + +1) Ensure that your Docker service is running. +2) From the root directory of your project, run the `yarn` command in the command prompt to install yarn. +3) Run the `yarn bootstrap` command to install any necessary dependencies. +4) Run `yarn test:services:start` to start up this project's Docker container. The container will launch all services within your workspace. + +## Available Commands + +Once the project is running, you can execute a variety of commands. The root workspace and each subpackage contain a `package.json` file with a `scripts` field listing all the commands that can be executed from that directory. This project also supports native `yarn`, and `docker` commands. + +Here, we'll cover the primary commands that can be executed from the root directory. Unless otherwise noted, these commands can also be executed from a subpackage. If executed from a subpackage, they will only affect that subpackage, rather than the entire workspace. + +### `yarn` + +The `yarn` command installs yarn in the workspace. + +### `yarn bootstrap` + +The `yarn bootstrap` command installs all dependencies in the workspace. + +### `yarn test:services:start` + +The `yarn test:services:start` command starts up the project's Docker container, launching all services in the workspace. This command must be executed from the root directory. + +### `yarn test:services:stop` + +The `yarn test:services:stop` command brings down the project's Docker container, halting all services. This command must be executed from the root directory. + +### `yarn test` + +The `yarn test` command runs all tests in the workspace. + +### `yarn clean` + +The `yarn clean` command removes yarn and all dependencies installed by yarn. After executing this command, you must repeat the steps in *Setting up your workspace* to rebuild your workspace. + +## Contributing Changes + +Now that you've set up your workspace, you're ready to contribute changes to the `keyv` repository. + +1) Make any changes that you would like to contribute in your local workspace. +2) After making these changes, ensure that the project's tests still pass by executing the `yarn test` command in the root directory. +3) Commit your changes and push them to your forked repository. +4) Navigate to the original `keyv` repository and go the *Pull Requests* tab. +5) Click the *New pull request* button, and open a pull request for the branch in your repository that contains your changes. +6) Once your pull request is created, ensure that all checks have passed and that your branch has no conflicts with the base branch. If there are any issues, resolve these changes in your local repository, and then commit and push them to git. +7) Similarly, respond to any reviewer comments or requests for changes by making edits to your local repository and pushing them to Git. +8) Once the pull request has been reviewed, those with write access to the branch will be able to merge your changes into the `keyv` repository. + +If you need more information on the steps to create a pull request, you can find a detailed walkthrough in the [Github documentation](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/creating-a-pull-request-from-a-fork) + +## License + +MIT © Jared Wray diff --git a/module/node_modules/keyv/package.json b/module/node_modules/keyv/package.json new file mode 100644 index 000000000..a83046113 --- /dev/null +++ b/module/node_modules/keyv/package.json @@ -0,0 +1,57 @@ +{ + "name": "keyv", + "version": "4.5.4", + "description": "Simple key-value storage with support for multiple backends", + "main": "src/index.js", + "scripts": { + "build": "echo 'No build step required.'", + "prepare": "yarn build", + "test": "xo && c8 ava --serial", + "test:ci": "xo && ava --serial", + "clean": "rm -rf node_modules && rm -rf ./coverage && rm -rf ./test/testdb.sqlite" + }, + "xo": { + "rules": { + "unicorn/prefer-module": 0, + "unicorn/prefer-node-protocol": 0, + "@typescript-eslint/consistent-type-definitions": 0, + "unicorn/no-typeof-undefined": 0, + "unicorn/prefer-event-target": 0 + } + }, + "repository": { + "type": "git", + "url": "git+https://github.com/jaredwray/keyv.git" + }, + "keywords": [ + "key", + "value", + "store", + "cache", + "ttl" + ], + "author": "Jared Wray (http://jaredwray.com)", + "license": "MIT", + "bugs": { + "url": "https://github.com/jaredwray/keyv/issues" + }, + "homepage": "https://github.com/jaredwray/keyv", + "dependencies": { + "json-buffer": "3.0.1" + }, + "devDependencies": { + "@keyv/test-suite": "*", + "eslint": "^8.51.0", + "eslint-plugin-promise": "^6.1.1", + "pify": "^5.0.0", + "timekeeper": "^2.3.1", + "tsd": "^0.29.0" + }, + "tsd": { + "directory": "test" + }, + "types": "./src/index.d.ts", + "files": [ + "src" + ] +} diff --git a/module/node_modules/keyv/src/index.d.ts b/module/node_modules/keyv/src/index.d.ts new file mode 100644 index 000000000..77d81ca50 --- /dev/null +++ b/module/node_modules/keyv/src/index.d.ts @@ -0,0 +1,112 @@ +import {EventEmitter} from 'events'; + +type WithRequiredProperties = T & Required>; + +declare class Keyv = Record> extends EventEmitter { + /** + * `this.opts` is an object containing at least the properties listed + * below. However, `Keyv.Options` allows arbitrary properties as well. + * These properties can be specified as the second type parameter to `Keyv`. + */ + opts: WithRequiredProperties< + Keyv.Options, + 'deserialize' | 'namespace' | 'serialize' | 'store' | 'uri' + > & + Options; + + /** + * @param opts The options object is also passed through to the storage adapter. Check your storage adapter docs for any extra options. + */ + constructor(options?: Keyv.Options & Options); + /** + * @param uri The connection string URI. + * + * Merged into the options object as options.uri. + * @param opts The options object is also passed through to the storage adapter. Check your storage adapter docs for any extra options. + */ + constructor(uri?: string, options?: Keyv.Options & Options); + + /** Returns the value. */ + get(key: string, options?: {raw?: false}): Promise; + /** Returns the raw value. */ + get(key: string, options: {raw: true}): Promise | undefined>; + + /** Returns an array of values. Uses `store.getMany` if it exists, otherwise uses parallel calls to `store.get`. */ + get(key: string[], options?: {raw?: false}): Promise>; + /** Returns an array of raw values. Uses `store.getMany` if it exists, otherwise uses parallel calls to `store.get`. */ + get(key: string[], options: {raw: true}): Promise | undefined>>; + + /** + * Set a value. + * + * By default keys are persistent. You can set an expiry TTL in milliseconds. + */ + set(key: string, value: Value, ttl?: number): Promise; + /** + * Deletes an entry. + * + * Returns `true` if the key existed, `false` if not. + */ + delete(key: string | string[]): Promise; + /** Delete all entries in the current namespace. */ + clear(): Promise; + /** Check if key exists in current namespace. */ + has(key: string): Promise; + /** Iterator */ + iterator(namespace?: string): AsyncGenerator; + /** + * Closes the connection. + * + * Returns `undefined` when the connection closes. + */ + disconnect(): Promise; +} + +declare namespace Keyv { + interface Options { + [key: string]: any; + + /** Namespace for the current instance. */ + namespace?: string | undefined; + /** A custom serialization function. */ + serialize?: ((data: DeserializedData) => string) | undefined; + /** A custom deserialization function. */ + deserialize?: ((data: string) => DeserializedData | undefined) | undefined; + /** The connection string URI. */ + uri?: string | undefined; + /** The storage adapter instance to be used by Keyv. */ + store?: Store | undefined; + /** Default TTL. Can be overridden by specififying a TTL on `.set()`. */ + ttl?: number | undefined; + /** Specify an adapter to use. e.g `'redis'` or `'mongodb'`. */ + adapter?: 'redis' | 'mongodb' | 'mongo' | 'sqlite' | 'postgresql' | 'postgres' | 'mysql' | undefined; + /** Enable compression option **/ + compression?: CompressionAdapter | undefined; + } + + interface CompressionAdapter { + compress(value: any, options?: any): Promise; + decompress(value: any, options?: any): Promise; + serialize(value: any): Promise; + deserialize(value: any): Promise; + } + + interface DeserializedData { + value: Value; expires: number | undefined; + } + + type StoredData = DeserializedData | string | undefined; + + interface Store { + get(key: string): Value | Promise | undefined; + set(key: string, value: Value, ttl?: number): any; + delete(key: string): boolean | Promise; + clear(): void | Promise; + has?(key: string): boolean | Promise; + getMany?( + keys: string[] + ): Array> | Promise>> | undefined; + } +} + +export = Keyv; diff --git a/module/node_modules/keyv/src/index.js b/module/node_modules/keyv/src/index.js new file mode 100644 index 000000000..ac539bd98 --- /dev/null +++ b/module/node_modules/keyv/src/index.js @@ -0,0 +1,259 @@ +'use strict'; + +const EventEmitter = require('events'); +const JSONB = require('json-buffer'); + +const loadStore = options => { + const adapters = { + redis: '@keyv/redis', + rediss: '@keyv/redis', + mongodb: '@keyv/mongo', + mongo: '@keyv/mongo', + sqlite: '@keyv/sqlite', + postgresql: '@keyv/postgres', + postgres: '@keyv/postgres', + mysql: '@keyv/mysql', + etcd: '@keyv/etcd', + offline: '@keyv/offline', + tiered: '@keyv/tiered', + }; + if (options.adapter || options.uri) { + const adapter = options.adapter || /^[^:+]*/.exec(options.uri)[0]; + return new (require(adapters[adapter]))(options); + } + + return new Map(); +}; + +const iterableAdapters = [ + 'sqlite', + 'postgres', + 'mysql', + 'mongo', + 'redis', + 'tiered', +]; + +class Keyv extends EventEmitter { + constructor(uri, {emitErrors = true, ...options} = {}) { + super(); + this.opts = { + namespace: 'keyv', + serialize: JSONB.stringify, + deserialize: JSONB.parse, + ...((typeof uri === 'string') ? {uri} : uri), + ...options, + }; + + if (!this.opts.store) { + const adapterOptions = {...this.opts}; + this.opts.store = loadStore(adapterOptions); + } + + if (this.opts.compression) { + const compression = this.opts.compression; + this.opts.serialize = compression.serialize.bind(compression); + this.opts.deserialize = compression.deserialize.bind(compression); + } + + if (typeof this.opts.store.on === 'function' && emitErrors) { + this.opts.store.on('error', error => this.emit('error', error)); + } + + this.opts.store.namespace = this.opts.namespace; + + const generateIterator = iterator => async function * () { + for await (const [key, raw] of typeof iterator === 'function' + ? iterator(this.opts.store.namespace) + : iterator) { + const data = await this.opts.deserialize(raw); + if (this.opts.store.namespace && !key.includes(this.opts.store.namespace)) { + continue; + } + + if (typeof data.expires === 'number' && Date.now() > data.expires) { + this.delete(key); + continue; + } + + yield [this._getKeyUnprefix(key), data.value]; + } + }; + + // Attach iterators + if (typeof this.opts.store[Symbol.iterator] === 'function' && this.opts.store instanceof Map) { + this.iterator = generateIterator(this.opts.store); + } else if (typeof this.opts.store.iterator === 'function' && this.opts.store.opts + && this._checkIterableAdaptar()) { + this.iterator = generateIterator(this.opts.store.iterator.bind(this.opts.store)); + } + } + + _checkIterableAdaptar() { + return iterableAdapters.includes(this.opts.store.opts.dialect) + || iterableAdapters.findIndex(element => this.opts.store.opts.url.includes(element)) >= 0; + } + + _getKeyPrefix(key) { + return `${this.opts.namespace}:${key}`; + } + + _getKeyPrefixArray(keys) { + return keys.map(key => `${this.opts.namespace}:${key}`); + } + + _getKeyUnprefix(key) { + return key + .split(':') + .splice(1) + .join(':'); + } + + get(key, options) { + const {store} = this.opts; + const isArray = Array.isArray(key); + const keyPrefixed = isArray ? this._getKeyPrefixArray(key) : this._getKeyPrefix(key); + if (isArray && store.getMany === undefined) { + const promises = []; + for (const key of keyPrefixed) { + promises.push(Promise.resolve() + .then(() => store.get(key)) + .then(data => (typeof data === 'string') ? this.opts.deserialize(data) : (this.opts.compression ? this.opts.deserialize(data) : data)) + .then(data => { + if (data === undefined || data === null) { + return undefined; + } + + if (typeof data.expires === 'number' && Date.now() > data.expires) { + return this.delete(key).then(() => undefined); + } + + return (options && options.raw) ? data : data.value; + }), + ); + } + + return Promise.allSettled(promises) + .then(values => { + const data = []; + for (const value of values) { + data.push(value.value); + } + + return data; + }); + } + + return Promise.resolve() + .then(() => isArray ? store.getMany(keyPrefixed) : store.get(keyPrefixed)) + .then(data => (typeof data === 'string') ? this.opts.deserialize(data) : (this.opts.compression ? this.opts.deserialize(data) : data)) + .then(data => { + if (data === undefined || data === null) { + return undefined; + } + + if (isArray) { + return data.map((row, index) => { + if ((typeof row === 'string')) { + row = this.opts.deserialize(row); + } + + if (row === undefined || row === null) { + return undefined; + } + + if (typeof row.expires === 'number' && Date.now() > row.expires) { + this.delete(key[index]).then(() => undefined); + return undefined; + } + + return (options && options.raw) ? row : row.value; + }); + } + + if (typeof data.expires === 'number' && Date.now() > data.expires) { + return this.delete(key).then(() => undefined); + } + + return (options && options.raw) ? data : data.value; + }); + } + + set(key, value, ttl) { + const keyPrefixed = this._getKeyPrefix(key); + if (typeof ttl === 'undefined') { + ttl = this.opts.ttl; + } + + if (ttl === 0) { + ttl = undefined; + } + + const {store} = this.opts; + + return Promise.resolve() + .then(() => { + const expires = (typeof ttl === 'number') ? (Date.now() + ttl) : null; + if (typeof value === 'symbol') { + this.emit('error', 'symbol cannot be serialized'); + } + + value = {value, expires}; + return this.opts.serialize(value); + }) + .then(value => store.set(keyPrefixed, value, ttl)) + .then(() => true); + } + + delete(key) { + const {store} = this.opts; + if (Array.isArray(key)) { + const keyPrefixed = this._getKeyPrefixArray(key); + if (store.deleteMany === undefined) { + const promises = []; + for (const key of keyPrefixed) { + promises.push(store.delete(key)); + } + + return Promise.allSettled(promises) + .then(values => values.every(x => x.value === true)); + } + + return Promise.resolve() + .then(() => store.deleteMany(keyPrefixed)); + } + + const keyPrefixed = this._getKeyPrefix(key); + return Promise.resolve() + .then(() => store.delete(keyPrefixed)); + } + + clear() { + const {store} = this.opts; + return Promise.resolve() + .then(() => store.clear()); + } + + has(key) { + const keyPrefixed = this._getKeyPrefix(key); + const {store} = this.opts; + return Promise.resolve() + .then(async () => { + if (typeof store.has === 'function') { + return store.has(keyPrefixed); + } + + const value = await store.get(keyPrefixed); + return value !== undefined; + }); + } + + disconnect() { + const {store} = this.opts; + if (typeof store.disconnect === 'function') { + return store.disconnect(); + } + } +} + +module.exports = Keyv; diff --git a/module/node_modules/levn/LICENSE b/module/node_modules/levn/LICENSE new file mode 100644 index 000000000..525b11850 --- /dev/null +++ b/module/node_modules/levn/LICENSE @@ -0,0 +1,22 @@ +Copyright (c) George Zahariev + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/levn/README.md b/module/node_modules/levn/README.md new file mode 100644 index 000000000..7ab008d66 --- /dev/null +++ b/module/node_modules/levn/README.md @@ -0,0 +1,196 @@ +# levn [![Build Status](https://travis-ci.org/gkz/levn.png)](https://travis-ci.org/gkz/levn) +__Light ECMAScript (JavaScript) Value Notation__ +Levn is a library which allows you to parse a string into a JavaScript value based on an expected type. It is meant for short amounts of human entered data (eg. config files, command line arguments). + +Levn aims to concisely describe JavaScript values in text, and allow for the extraction and validation of those values. Levn uses [type-check](https://github.com/gkz/type-check) for its type format, and to validate the results. MIT license. Version 0.4.1. + +__How is this different than JSON?__ levn is meant to be written by humans only, is (due to the previous point) much more concise, can be validated against supplied types, has regex and date literals, and can easily be extended with custom types. On the other hand, it is probably slower and thus less efficient at transporting large amounts of data, which is fine since this is not its purpose. + + npm install levn + +For updates on levn, [follow me on twitter](https://twitter.com/gkzahariev). + + +## Quick Examples + +```js +var parse = require('levn').parse; +parse('Number', '2'); // 2 +parse('String', '2'); // '2' +parse('String', 'levn'); // 'levn' +parse('String', 'a b'); // 'a b' +parse('Boolean', 'true'); // true + +parse('Date', '#2011-11-11#'); // (Date object) +parse('Date', '2011-11-11'); // (Date object) +parse('RegExp', '/[a-z]/gi'); // /[a-z]/gi +parse('RegExp', 're'); // /re/ +parse('Int', '2'); // 2 + +parse('Number | String', 'str'); // 'str' +parse('Number | String', '2'); // 2 + +parse('[Number]', '[1,2,3]'); // [1,2,3] +parse('(String, Boolean)', '(hi, false)'); // ['hi', false] +parse('{a: String, b: Number}', '{a: str, b: 2}'); // {a: 'str', b: 2} + +// at the top level, you can ommit surrounding delimiters +parse('[Number]', '1,2,3'); // [1,2,3] +parse('(String, Boolean)', 'hi, false'); // ['hi', false] +parse('{a: String, b: Number}', 'a: str, b: 2'); // {a: 'str', b: 2} + +// wildcard - auto choose type +parse('*', '[hi,(null,[42]),{k: true}]'); // ['hi', [null, [42]], {k: true}] +``` +## Usage + +`require('levn');` returns an object that exposes three properties. `VERSION` is the current version of the library as a string. `parse` and `parsedTypeParse` are functions. + +```js +// parse(type, input, options); +parse('[Number]', '1,2,3'); // [1, 2, 3] + +// parsedTypeParse(parsedType, input, options); +var parsedType = require('type-check').parseType('[Number]'); +parsedTypeParse(parsedType, '1,2,3'); // [1, 2, 3] +``` + +### parse(type, input, options) + +`parse` casts the string `input` into a JavaScript value according to the specified `type` in the [type format](https://github.com/gkz/type-check#type-format) (and taking account the optional `options`) and returns the resulting JavaScript value. + +##### arguments +* type - `String` - the type written in the [type format](https://github.com/gkz/type-check#type-format) which to check against +* input - `String` - the value written in the [levn format](#levn-format) +* options - `Maybe Object` - an optional parameter specifying additional [options](#options) + +##### returns +`*` - the resulting JavaScript value + +##### example +```js +parse('[Number]', '1,2,3'); // [1, 2, 3] +``` + +### parsedTypeParse(parsedType, input, options) + +`parsedTypeParse` casts the string `input` into a JavaScript value according to the specified `type` which has already been parsed (and taking account the optional `options`) and returns the resulting JavaScript value. You can parse a type using the [type-check](https://github.com/gkz/type-check) library's `parseType` function. + +##### arguments +* type - `Object` - the type in the parsed type format which to check against +* input - `String` - the value written in the [levn format](#levn-format) +* options - `Maybe Object` - an optional parameter specifying additional [options](#options) + +##### returns +`*` - the resulting JavaScript value + +##### example +```js +var parsedType = require('type-check').parseType('[Number]'); +parsedTypeParse(parsedType, '1,2,3'); // [1, 2, 3] +``` + +## Levn Format + +Levn can use the type information you provide to choose the appropriate value to produce from the input. For the same input, it will choose a different output value depending on the type provided. For example, `parse('Number', '2')` will produce the number `2`, but `parse('String', '2')` will produce the string `"2"`. + +If you do not provide type information, and simply use `*`, levn will parse the input according the unambiguous "explicit" mode, which we will now detail - you can also set the `explicit` option to true manually in the [options](#options). + +* `"string"`, `'string'` are parsed as a String, eg. `"a msg"` is `"a msg"` +* `#date#` is parsed as a Date, eg. `#2011-11-11#` is `new Date('2011-11-11')` +* `/regexp/flags` is parsed as a RegExp, eg. `/re/gi` is `/re/gi` +* `undefined`, `null`, `NaN`, `true`, and `false` are all their JavaScript equivalents +* `[element1, element2, etc]` is an Array, and the casting procedure is recursively applied to each element. Eg. `[1,2,3]` is `[1,2,3]`. +* `(element1, element2, etc)` is an tuple, and the casting procedure is recursively applied to each element. Eg. `(1, a)` is `(1, a)` (is `[1, 'a']`). +* `{key1: val1, key2: val2, ...}` is an Object, and the casting procedure is recursively applied to each property. Eg. `{a: 1, b: 2}` is `{a: 1, b: 2}`. +* Any test which does not fall under the above, and which does not contain special characters (`[``]``(``)``{``}``:``,`) is a string, eg. `$12- blah` is `"$12- blah"`. + +If you do provide type information, you can make your input more concise as the program already has some information about what it expects. Please see the [type format](https://github.com/gkz/type-check#type-format) section of [type-check](https://github.com/gkz/type-check) for more information about how to specify types. There are some rules about what levn can do with the information: + +* If a String is expected, and only a String, all characters of the input (including any special ones) will become part of the output. Eg. `[({})]` is `"[({})]"`, and `"hi"` is `'"hi"'`. +* If a Date is expected, the surrounding `#` can be omitted from date literals. Eg. `2011-11-11` is `new Date('2011-11-11')`. +* If a RegExp is expected, no flags need to be specified, and the regex is not using any of the special characters,the opening and closing `/` can be omitted - this will have the affect of setting the source of the regex to the input. Eg. `regex` is `/regex/`. +* If an Array is expected, and it is the root node (at the top level), the opening `[` and closing `]` can be omitted. Eg. `1,2,3` is `[1,2,3]`. +* If a tuple is expected, and it is the root node (at the top level), the opening `(` and closing `)` can be omitted. Eg. `1, a` is `(1, a)` (is `[1, 'a']`). +* If an Object is expected, and it is the root node (at the top level), the opening `{` and closing `}` can be omitted. Eg `a: 1, b: 2` is `{a: 1, b: 2}`. + +If you list multiple types (eg. `Number | String`), it will first attempt to cast to the first type and then validate - if the validation fails it will move on to the next type and so forth, left to right. You must be careful as some types will succeed with any input, such as String. Thus put String at the end of your list. In non-explicit mode, Date and RegExp will succeed with a large variety of input - also be careful with these and list them near the end if not last in your list. + +Whitespace between special characters and elements is inconsequential. + +## Options + +Options is an object. It is an optional parameter to the `parse` and `parsedTypeParse` functions. + +### Explicit + +A `Boolean`. By default it is `false`. + +__Example:__ + +```js +parse('RegExp', 're', {explicit: false}); // /re/ +parse('RegExp', 're', {explicit: true}); // Error: ... does not type check... +parse('RegExp | String', 're', {explicit: true}); // 're' +``` + +`explicit` sets whether to be in explicit mode or not. Using `*` automatically activates explicit mode. For more information, read the [levn format](#levn-format) section. + +### customTypes + +An `Object`. Empty `{}` by default. + +__Example:__ + +```js +var options = { + customTypes: { + Even: { + typeOf: 'Number', + validate: function (x) { + return x % 2 === 0; + }, + cast: function (x) { + return {type: 'Just', value: parseInt(x)}; + } + } + } +} +parse('Even', '2', options); // 2 +parse('Even', '3', options); // Error: Value: "3" does not type check... +``` + +__Another Example:__ +```js +function Person(name, age){ + this.name = name; + this.age = age; +} +var options = { + customTypes: { + Person: { + typeOf: 'Object', + validate: function (x) { + x instanceof Person; + }, + cast: function (value, options, typesCast) { + var name, age; + if ({}.toString.call(value).slice(8, -1) !== 'Object') { + return {type: 'Nothing'}; + } + name = typesCast(value.name, [{type: 'String'}], options); + age = typesCast(value.age, [{type: 'Numger'}], options); + return {type: 'Just', value: new Person(name, age)}; + } + } +} +parse('Person', '{name: Laura, age: 25}', options); // Person {name: 'Laura', age: 25} +``` + +`customTypes` is an object whose keys are the name of the types, and whose values are an object with three properties, `typeOf`, `validate`, and `cast`. For more information about `typeOf` and `validate`, please see the [custom types](https://github.com/gkz/type-check#custom-types) section of type-check. + +`cast` is a function which receives three arguments, the value under question, options, and the typesCast function. In `cast`, attempt to cast the value into the specified type. If you are successful, return an object in the format `{type: 'Just', value: CAST-VALUE}`, if you know it won't work, return `{type: 'Nothing'}`. You can use the `typesCast` function to cast any child values. Remember to pass `options` to it. In your function you can also check for `options.explicit` and act accordingly. + +## Technical About + +`levn` is written in [LiveScript](http://livescript.net/) - a language that compiles to JavaScript. It uses [type-check](https://github.com/gkz/type-check) to both parse types and validate values. It also uses the [prelude.ls](http://preludels.com/) library. diff --git a/module/node_modules/levn/lib/cast.js b/module/node_modules/levn/lib/cast.js new file mode 100644 index 000000000..92cb9a6d7 --- /dev/null +++ b/module/node_modules/levn/lib/cast.js @@ -0,0 +1,327 @@ +// Generated by LiveScript 1.6.0 +(function(){ + var parsedTypeCheck, types, toString$ = {}.toString; + parsedTypeCheck = require('type-check').parsedTypeCheck; + types = { + '*': function(value, options){ + switch (toString$.call(value).slice(8, -1)) { + case 'Array': + return typeCast(value, { + type: 'Array' + }, options); + case 'Object': + return typeCast(value, { + type: 'Object' + }, options); + default: + return { + type: 'Just', + value: typesCast(value, [ + { + type: 'Undefined' + }, { + type: 'Null' + }, { + type: 'NaN' + }, { + type: 'Boolean' + }, { + type: 'Number' + }, { + type: 'Date' + }, { + type: 'RegExp' + }, { + type: 'Array' + }, { + type: 'Object' + }, { + type: 'String' + } + ], (options.explicit = true, options)) + }; + } + }, + Undefined: function(it){ + if (it === 'undefined' || it === void 8) { + return { + type: 'Just', + value: void 8 + }; + } else { + return { + type: 'Nothing' + }; + } + }, + Null: function(it){ + if (it === 'null') { + return { + type: 'Just', + value: null + }; + } else { + return { + type: 'Nothing' + }; + } + }, + NaN: function(it){ + if (it === 'NaN') { + return { + type: 'Just', + value: NaN + }; + } else { + return { + type: 'Nothing' + }; + } + }, + Boolean: function(it){ + if (it === 'true') { + return { + type: 'Just', + value: true + }; + } else if (it === 'false') { + return { + type: 'Just', + value: false + }; + } else { + return { + type: 'Nothing' + }; + } + }, + Number: function(it){ + return { + type: 'Just', + value: +it + }; + }, + Int: function(it){ + return { + type: 'Just', + value: +it + }; + }, + Float: function(it){ + return { + type: 'Just', + value: +it + }; + }, + Date: function(value, options){ + var that; + if (that = /^\#([\s\S]*)\#$/.exec(value)) { + return { + type: 'Just', + value: new Date(+that[1] || that[1]) + }; + } else if (options.explicit) { + return { + type: 'Nothing' + }; + } else { + return { + type: 'Just', + value: new Date(+value || value) + }; + } + }, + RegExp: function(value, options){ + var that; + if (that = /^\/([\s\S]*)\/([gimy]*)$/.exec(value)) { + return { + type: 'Just', + value: new RegExp(that[1], that[2]) + }; + } else if (options.explicit) { + return { + type: 'Nothing' + }; + } else { + return { + type: 'Just', + value: new RegExp(value) + }; + } + }, + Array: function(value, options){ + return castArray(value, { + of: [{ + type: '*' + }] + }, options); + }, + Object: function(value, options){ + return castFields(value, { + of: {} + }, options); + }, + String: function(it){ + var replace, that; + if (toString$.call(it).slice(8, -1) !== 'String') { + return { + type: 'Nothing' + }; + } + replace = function(value, quote){ + return value.replace(/\\([^u]|u[0-9a-fA-F]{4})/g, function(all, escaped){ + switch (escaped[0]) { + case quote: + return quote; + case '\\': + return '\\'; + case 'b': + return '\b'; + case 'f': + return '\f'; + case 'n': + return '\n'; + case 'r': + return '\r'; + case 't': + return '\t'; + case 'u': + return JSON.parse("\"" + all + "\""); + default: + return escaped; + } + }); + }; + if (that = it.match(/^'([\s\S]*)'$/)) { + return { + type: 'Just', + value: replace(that[1], "'") + }; + } else if (that = it.match(/^"([\s\S]*)"$/)) { + return { + type: 'Just', + value: replace(that[1], '"') + }; + } else { + return { + type: 'Just', + value: it + }; + } + } + }; + function castArray(node, type, options){ + var typeOf, element; + if (toString$.call(node).slice(8, -1) !== 'Array') { + return { + type: 'Nothing' + }; + } + typeOf = type.of; + return { + type: 'Just', + value: (function(){ + var i$, ref$, len$, results$ = []; + for (i$ = 0, len$ = (ref$ = node).length; i$ < len$; ++i$) { + element = ref$[i$]; + results$.push(typesCast(element, typeOf, options)); + } + return results$; + }()) + }; + } + function castTuple(node, type, options){ + var result, i, i$, ref$, len$, types, cast; + if (toString$.call(node).slice(8, -1) !== 'Array') { + return { + type: 'Nothing' + }; + } + result = []; + i = 0; + for (i$ = 0, len$ = (ref$ = type.of).length; i$ < len$; ++i$) { + types = ref$[i$]; + cast = typesCast(node[i], types, options); + if (toString$.call(cast).slice(8, -1) !== 'Undefined') { + result.push(cast); + } + i++; + } + if (node.length <= i) { + return { + type: 'Just', + value: result + }; + } else { + return { + type: 'Nothing' + }; + } + } + function castFields(node, type, options){ + var typeOf, key, value; + if (toString$.call(node).slice(8, -1) !== 'Object') { + return { + type: 'Nothing' + }; + } + typeOf = type.of; + return { + type: 'Just', + value: (function(){ + var ref$, resultObj$ = {}; + for (key in ref$ = node) { + value = ref$[key]; + resultObj$[typesCast(key, [{ + type: 'String' + }], options)] = typesCast(value, typeOf[key] || [{ + type: '*' + }], options); + } + return resultObj$; + }()) + }; + } + function typeCast(node, typeObj, options){ + var type, structure, castFunc, ref$; + type = typeObj.type, structure = typeObj.structure; + if (type) { + castFunc = ((ref$ = options.customTypes[type]) != null ? ref$.cast : void 8) || types[type]; + if (!castFunc) { + throw new Error("Type not defined: " + type + "."); + } + return castFunc(node, options, typesCast); + } else { + switch (structure) { + case 'array': + return castArray(node, typeObj, options); + case 'tuple': + return castTuple(node, typeObj, options); + case 'fields': + return castFields(node, typeObj, options); + } + } + } + function typesCast(node, types, options){ + var i$, len$, type, ref$, valueType, value; + for (i$ = 0, len$ = types.length; i$ < len$; ++i$) { + type = types[i$]; + ref$ = typeCast(node, type, options), valueType = ref$.type, value = ref$.value; + if (valueType === 'Nothing') { + continue; + } + if (parsedTypeCheck([type], value, { + customTypes: options.customTypes + })) { + return value; + } + } + throw new Error("Value " + JSON.stringify(node) + " does not type check against " + JSON.stringify(types) + "."); + } + module.exports = function(node, types, options){ + if (!options.explicit && types.length === 1 && types[0].type === 'String') { + return node; + } + return typesCast(node, types, options); + }; +}).call(this); diff --git a/module/node_modules/levn/lib/index.js b/module/node_modules/levn/lib/index.js new file mode 100644 index 000000000..b8b668409 --- /dev/null +++ b/module/node_modules/levn/lib/index.js @@ -0,0 +1,22 @@ +// Generated by LiveScript 1.6.0 +(function(){ + var parseString, cast, parseType, VERSION, parsedTypeParse, parse; + parseString = require('./parse-string'); + cast = require('./cast'); + parseType = require('type-check').parseType; + VERSION = '0.4.1'; + parsedTypeParse = function(parsedType, string, options){ + options == null && (options = {}); + options.explicit == null && (options.explicit = false); + options.customTypes == null && (options.customTypes = {}); + return cast(parseString(parsedType, string, options), parsedType, options); + }; + parse = function(type, string, options){ + return parsedTypeParse(parseType(type), string, options); + }; + module.exports = { + VERSION: VERSION, + parse: parse, + parsedTypeParse: parsedTypeParse + }; +}).call(this); diff --git a/module/node_modules/levn/lib/parse-string.js b/module/node_modules/levn/lib/parse-string.js new file mode 100644 index 000000000..eaed2f06d --- /dev/null +++ b/module/node_modules/levn/lib/parse-string.js @@ -0,0 +1,113 @@ +// Generated by LiveScript 1.6.0 +(function(){ + var reject, special, tokenRegex; + reject = require('prelude-ls').reject; + function consumeOp(tokens, op){ + if (tokens[0] === op) { + return tokens.shift(); + } else { + throw new Error("Expected '" + op + "', but got '" + tokens[0] + "' instead in " + JSON.stringify(tokens) + "."); + } + } + function maybeConsumeOp(tokens, op){ + if (tokens[0] === op) { + return tokens.shift(); + } + } + function consumeList(tokens, arg$, hasDelimiters){ + var open, close, result, untilTest; + open = arg$[0], close = arg$[1]; + if (hasDelimiters) { + consumeOp(tokens, open); + } + result = []; + untilTest = "," + (hasDelimiters ? close : ''); + while (tokens.length && (hasDelimiters && tokens[0] !== close)) { + result.push(consumeElement(tokens, untilTest)); + maybeConsumeOp(tokens, ','); + } + if (hasDelimiters) { + consumeOp(tokens, close); + } + return result; + } + function consumeArray(tokens, hasDelimiters){ + return consumeList(tokens, ['[', ']'], hasDelimiters); + } + function consumeTuple(tokens, hasDelimiters){ + return consumeList(tokens, ['(', ')'], hasDelimiters); + } + function consumeFields(tokens, hasDelimiters){ + var result, untilTest, key; + if (hasDelimiters) { + consumeOp(tokens, '{'); + } + result = {}; + untilTest = "," + (hasDelimiters ? '}' : ''); + while (tokens.length && (!hasDelimiters || tokens[0] !== '}')) { + key = consumeValue(tokens, ':'); + consumeOp(tokens, ':'); + result[key] = consumeElement(tokens, untilTest); + maybeConsumeOp(tokens, ','); + } + if (hasDelimiters) { + consumeOp(tokens, '}'); + } + return result; + } + function consumeValue(tokens, untilTest){ + var out; + untilTest == null && (untilTest = ''); + out = ''; + while (tokens.length && -1 === untilTest.indexOf(tokens[0])) { + out += tokens.shift(); + } + return out; + } + function consumeElement(tokens, untilTest){ + switch (tokens[0]) { + case '[': + return consumeArray(tokens, true); + case '(': + return consumeTuple(tokens, true); + case '{': + return consumeFields(tokens, true); + default: + return consumeValue(tokens, untilTest); + } + } + function consumeTopLevel(tokens, types, options){ + var ref$, type, structure, origTokens, result, finalResult, x$, y$; + ref$ = types[0], type = ref$.type, structure = ref$.structure; + origTokens = tokens.concat(); + if (!options.explicit && types.length === 1 && ((!type && structure) || (type === 'Array' || type === 'Object'))) { + result = structure === 'array' || type === 'Array' + ? consumeArray(tokens, tokens[0] === '[') + : structure === 'tuple' + ? consumeTuple(tokens, tokens[0] === '(') + : consumeFields(tokens, tokens[0] === '{'); + finalResult = tokens.length ? consumeElement(structure === 'array' || type === 'Array' + ? (x$ = origTokens, x$.unshift('['), x$.push(']'), x$) + : (y$ = origTokens, y$.unshift('('), y$.push(')'), y$)) : result; + } else { + finalResult = consumeElement(tokens); + } + return finalResult; + } + special = /\[\]\(\)}{:,/.source; + tokenRegex = RegExp('("(?:\\\\"|[^"])*")|(\'(?:\\\\\'|[^\'])*\')|(/(?:\\\\/|[^/])*/[a-zA-Z]*)|(#.*#)|([' + special + '])|([^\\s' + special + '](?:\\s*[^\\s' + special + ']+)*)|\\s*'); + module.exports = function(types, string, options){ + var tokens, node; + options == null && (options = {}); + if (!options.explicit && types.length === 1 && types[0].type === 'String') { + return string; + } + tokens = reject(not$, string.split(tokenRegex)); + node = consumeTopLevel(tokens, types, options); + if (!node) { + throw new Error("Error parsing '" + string + "'."); + } + return node; + }; + function not$(x){ return !x; } +}).call(this); diff --git a/module/node_modules/levn/package.json b/module/node_modules/levn/package.json new file mode 100644 index 000000000..0c356d697 --- /dev/null +++ b/module/node_modules/levn/package.json @@ -0,0 +1,46 @@ +{ + "name": "levn", + "version": "0.4.1", + "author": "George Zahariev ", + "description": "Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible", + "homepage": "https://github.com/gkz/levn", + "keywords": [ + "levn", + "light", + "ecmascript", + "value", + "notation", + "json", + "typed", + "human", + "concise", + "typed", + "flexible" + ], + "files": [ + "lib", + "README.md", + "LICENSE" + ], + "main": "./lib/", + "bugs": "https://github.com/gkz/levn/issues", + "license": "MIT", + "engines": { + "node": ">= 0.8.0" + }, + "repository": { + "type": "git", + "url": "git://github.com/gkz/levn.git" + }, + "scripts": { + "test": "make test" + }, + "dependencies": { + "prelude-ls": "^1.2.1", + "type-check": "~0.4.0" + }, + "devDependencies": { + "livescript": "^1.6.0", + "mocha": "^7.1.1" + } +} diff --git a/module/node_modules/locate-path/index.d.ts b/module/node_modules/locate-path/index.d.ts new file mode 100644 index 000000000..a714f1d3f --- /dev/null +++ b/module/node_modules/locate-path/index.d.ts @@ -0,0 +1,83 @@ +declare namespace locatePath { + interface Options { + /** + Current working directory. + + @default process.cwd() + */ + readonly cwd?: string; + + /** + Type of path to match. + + @default 'file' + */ + readonly type?: 'file' | 'directory'; + + /** + Allow symbolic links to match if they point to the requested path type. + + @default true + */ + readonly allowSymlinks?: boolean; + } + + interface AsyncOptions extends Options { + /** + Number of concurrently pending promises. Minimum: `1`. + + @default Infinity + */ + readonly concurrency?: number; + + /** + Preserve `paths` order when searching. + + Disable this to improve performance if you don't care about the order. + + @default true + */ + readonly preserveOrder?: boolean; + } +} + +declare const locatePath: { + /** + Synchronously get the first path that exists on disk of multiple paths. + + @param paths - Paths to check. + @returns The first path that exists or `undefined` if none exists. + */ + sync: ( + paths: Iterable, + options?: locatePath.Options + ) => string | undefined; + + /** + Get the first path that exists on disk of multiple paths. + + @param paths - Paths to check. + @returns The first path that exists or `undefined` if none exists. + + @example + ``` + import locatePath = require('locate-path'); + + const files = [ + 'unicorn.png', + 'rainbow.png', // Only this one actually exists on disk + 'pony.png' + ]; + + (async () => { + console(await locatePath(files)); + //=> 'rainbow' + })(); + ``` + */ + (paths: Iterable, options?: locatePath.AsyncOptions): Promise< + string | undefined + >; +}; + +export = locatePath; diff --git a/module/node_modules/locate-path/index.js b/module/node_modules/locate-path/index.js new file mode 100644 index 000000000..a6358e546 --- /dev/null +++ b/module/node_modules/locate-path/index.js @@ -0,0 +1,68 @@ +'use strict'; +const path = require('path'); +const fs = require('fs'); +const {promisify} = require('util'); +const pLocate = require('p-locate'); + +const fsStat = promisify(fs.stat); +const fsLStat = promisify(fs.lstat); + +const typeMappings = { + directory: 'isDirectory', + file: 'isFile' +}; + +function checkType({type}) { + if (type in typeMappings) { + return; + } + + throw new Error(`Invalid type specified: ${type}`); +} + +const matchType = (type, stat) => type === undefined || stat[typeMappings[type]](); + +module.exports = async (paths, options) => { + options = { + cwd: process.cwd(), + type: 'file', + allowSymlinks: true, + ...options + }; + + checkType(options); + + const statFn = options.allowSymlinks ? fsStat : fsLStat; + + return pLocate(paths, async path_ => { + try { + const stat = await statFn(path.resolve(options.cwd, path_)); + return matchType(options.type, stat); + } catch { + return false; + } + }, options); +}; + +module.exports.sync = (paths, options) => { + options = { + cwd: process.cwd(), + allowSymlinks: true, + type: 'file', + ...options + }; + + checkType(options); + + const statFn = options.allowSymlinks ? fs.statSync : fs.lstatSync; + + for (const path_ of paths) { + try { + const stat = statFn(path.resolve(options.cwd, path_)); + + if (matchType(options.type, stat)) { + return path_; + } + } catch {} + } +}; diff --git a/module/node_modules/locate-path/license b/module/node_modules/locate-path/license new file mode 100644 index 000000000..fa7ceba3e --- /dev/null +++ b/module/node_modules/locate-path/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (https://sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/locate-path/package.json b/module/node_modules/locate-path/package.json new file mode 100644 index 000000000..08bea50dc --- /dev/null +++ b/module/node_modules/locate-path/package.json @@ -0,0 +1,46 @@ +{ + "name": "locate-path", + "version": "6.0.0", + "description": "Get the first path that exists on disk of multiple paths", + "license": "MIT", + "repository": "sindresorhus/locate-path", + "funding": "https://github.com/sponsors/sindresorhus", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "https://sindresorhus.com" + }, + "engines": { + "node": ">=10" + }, + "scripts": { + "test": "xo && ava && tsd" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "keywords": [ + "locate", + "path", + "paths", + "file", + "files", + "exists", + "find", + "finder", + "search", + "searcher", + "array", + "iterable", + "iterator" + ], + "dependencies": { + "p-locate": "^5.0.0" + }, + "devDependencies": { + "ava": "^2.4.0", + "tsd": "^0.13.1", + "xo": "^0.32.1" + } +} diff --git a/module/node_modules/locate-path/readme.md b/module/node_modules/locate-path/readme.md new file mode 100644 index 000000000..1002bcd6a --- /dev/null +++ b/module/node_modules/locate-path/readme.md @@ -0,0 +1,125 @@ +# locate-path [![Build Status](https://travis-ci.com/sindresorhus/locate-path.svg?branch=master)](https://travis-ci.com/github/sindresorhus/locate-path) + +> Get the first path that exists on disk of multiple paths + +## Install + +``` +$ npm install locate-path +``` + +## Usage + +Here we find the first file that exists on disk, in array order. + +```js +const locatePath = require('locate-path'); + +const files = [ + 'unicorn.png', + 'rainbow.png', // Only this one actually exists on disk + 'pony.png' +]; + +(async () => { + console(await locatePath(files)); + //=> 'rainbow' +})(); +``` + +## API + +### locatePath(paths, options?) + +Returns a `Promise` for the first path that exists or `undefined` if none exists. + +#### paths + +Type: `Iterable` + +Paths to check. + +#### options + +Type: `object` + +##### concurrency + +Type: `number`\ +Default: `Infinity`\ +Minimum: `1` + +Number of concurrently pending promises. + +##### preserveOrder + +Type: `boolean`\ +Default: `true` + +Preserve `paths` order when searching. + +Disable this to improve performance if you don't care about the order. + +##### cwd + +Type: `string`\ +Default: `process.cwd()` + +Current working directory. + +##### type + +Type: `string`\ +Default: `'file'`\ +Values: `'file' | 'directory'` + +The type of paths that can match. + +##### allowSymlinks + +Type: `boolean`\ +Default: `true` + +Allow symbolic links to match if they point to the chosen path type. + +### locatePath.sync(paths, options?) + +Returns the first path that exists or `undefined` if none exists. + +#### paths + +Type: `Iterable` + +Paths to check. + +#### options + +Type: `object` + +##### cwd + +Same as above. + +##### type + +Same as above. + +##### allowSymlinks + +Same as above. + +## Related + +- [path-exists](https://github.com/sindresorhus/path-exists) - Check if a path exists + +--- + +
+ + Get professional support for this package with a Tidelift subscription + +
+ + Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies. + +
diff --git a/module/node_modules/lodash.merge/LICENSE b/module/node_modules/lodash.merge/LICENSE new file mode 100644 index 000000000..77c42f140 --- /dev/null +++ b/module/node_modules/lodash.merge/LICENSE @@ -0,0 +1,47 @@ +Copyright OpenJS Foundation and other contributors + +Based on Underscore.js, copyright Jeremy Ashkenas, +DocumentCloud and Investigative Reporters & Editors + +This software consists of voluntary contributions made by many +individuals. For exact contribution history, see the revision history +available at https://github.com/lodash/lodash + +The following license applies to all parts of this software except as +documented below: + +==== + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +==== + +Copyright and related rights for sample code are waived via CC0. Sample +code is defined as all source code displayed within the prose of the +documentation. + +CC0: http://creativecommons.org/publicdomain/zero/1.0/ + +==== + +Files located in the node_modules and vendor directories are externally +maintained libraries used by this software which have their own +licenses; we recommend you read them, as their terms may differ from the +terms above. diff --git a/module/node_modules/lodash.merge/README.md b/module/node_modules/lodash.merge/README.md new file mode 100644 index 000000000..91b75386c --- /dev/null +++ b/module/node_modules/lodash.merge/README.md @@ -0,0 +1,18 @@ +# lodash.merge v4.6.2 + +The [Lodash](https://lodash.com/) method `_.merge` exported as a [Node.js](https://nodejs.org/) module. + +## Installation + +Using npm: +```bash +$ {sudo -H} npm i -g npm +$ npm i --save lodash.merge +``` + +In Node.js: +```js +var merge = require('lodash.merge'); +``` + +See the [documentation](https://lodash.com/docs#merge) or [package source](https://github.com/lodash/lodash/blob/4.6.2-npm-packages/lodash.merge) for more details. diff --git a/module/node_modules/lodash.merge/index.js b/module/node_modules/lodash.merge/index.js new file mode 100644 index 000000000..8e75d955e --- /dev/null +++ b/module/node_modules/lodash.merge/index.js @@ -0,0 +1,1977 @@ +/** + * Lodash (Custom Build) + * Build: `lodash modularize exports="npm" -o ./` + * Copyright OpenJS Foundation and other contributors + * Released under MIT license + * Based on Underscore.js 1.8.3 + * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors + */ + +/** Used as the size to enable large array optimizations. */ +var LARGE_ARRAY_SIZE = 200; + +/** Used to stand-in for `undefined` hash values. */ +var HASH_UNDEFINED = '__lodash_hash_undefined__'; + +/** Used to detect hot functions by number of calls within a span of milliseconds. */ +var HOT_COUNT = 800, + HOT_SPAN = 16; + +/** Used as references for various `Number` constants. */ +var MAX_SAFE_INTEGER = 9007199254740991; + +/** `Object#toString` result references. */ +var argsTag = '[object Arguments]', + arrayTag = '[object Array]', + asyncTag = '[object AsyncFunction]', + boolTag = '[object Boolean]', + dateTag = '[object Date]', + errorTag = '[object Error]', + funcTag = '[object Function]', + genTag = '[object GeneratorFunction]', + mapTag = '[object Map]', + numberTag = '[object Number]', + nullTag = '[object Null]', + objectTag = '[object Object]', + proxyTag = '[object Proxy]', + regexpTag = '[object RegExp]', + setTag = '[object Set]', + stringTag = '[object String]', + undefinedTag = '[object Undefined]', + weakMapTag = '[object WeakMap]'; + +var arrayBufferTag = '[object ArrayBuffer]', + dataViewTag = '[object DataView]', + float32Tag = '[object Float32Array]', + float64Tag = '[object Float64Array]', + int8Tag = '[object Int8Array]', + int16Tag = '[object Int16Array]', + int32Tag = '[object Int32Array]', + uint8Tag = '[object Uint8Array]', + uint8ClampedTag = '[object Uint8ClampedArray]', + uint16Tag = '[object Uint16Array]', + uint32Tag = '[object Uint32Array]'; + +/** + * Used to match `RegExp` + * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns). + */ +var reRegExpChar = /[\\^$.*+?()[\]{}|]/g; + +/** Used to detect host constructors (Safari). */ +var reIsHostCtor = /^\[object .+?Constructor\]$/; + +/** Used to detect unsigned integer values. */ +var reIsUint = /^(?:0|[1-9]\d*)$/; + +/** Used to identify `toStringTag` values of typed arrays. */ +var typedArrayTags = {}; +typedArrayTags[float32Tag] = typedArrayTags[float64Tag] = +typedArrayTags[int8Tag] = typedArrayTags[int16Tag] = +typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] = +typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] = +typedArrayTags[uint32Tag] = true; +typedArrayTags[argsTag] = typedArrayTags[arrayTag] = +typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] = +typedArrayTags[dataViewTag] = typedArrayTags[dateTag] = +typedArrayTags[errorTag] = typedArrayTags[funcTag] = +typedArrayTags[mapTag] = typedArrayTags[numberTag] = +typedArrayTags[objectTag] = typedArrayTags[regexpTag] = +typedArrayTags[setTag] = typedArrayTags[stringTag] = +typedArrayTags[weakMapTag] = false; + +/** Detect free variable `global` from Node.js. */ +var freeGlobal = typeof global == 'object' && global && global.Object === Object && global; + +/** Detect free variable `self`. */ +var freeSelf = typeof self == 'object' && self && self.Object === Object && self; + +/** Used as a reference to the global object. */ +var root = freeGlobal || freeSelf || Function('return this')(); + +/** Detect free variable `exports`. */ +var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports; + +/** Detect free variable `module`. */ +var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module; + +/** Detect the popular CommonJS extension `module.exports`. */ +var moduleExports = freeModule && freeModule.exports === freeExports; + +/** Detect free variable `process` from Node.js. */ +var freeProcess = moduleExports && freeGlobal.process; + +/** Used to access faster Node.js helpers. */ +var nodeUtil = (function() { + try { + // Use `util.types` for Node.js 10+. + var types = freeModule && freeModule.require && freeModule.require('util').types; + + if (types) { + return types; + } + + // Legacy `process.binding('util')` for Node.js < 10. + return freeProcess && freeProcess.binding && freeProcess.binding('util'); + } catch (e) {} +}()); + +/* Node.js helper references. */ +var nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray; + +/** + * A faster alternative to `Function#apply`, this function invokes `func` + * with the `this` binding of `thisArg` and the arguments of `args`. + * + * @private + * @param {Function} func The function to invoke. + * @param {*} thisArg The `this` binding of `func`. + * @param {Array} args The arguments to invoke `func` with. + * @returns {*} Returns the result of `func`. + */ +function apply(func, thisArg, args) { + switch (args.length) { + case 0: return func.call(thisArg); + case 1: return func.call(thisArg, args[0]); + case 2: return func.call(thisArg, args[0], args[1]); + case 3: return func.call(thisArg, args[0], args[1], args[2]); + } + return func.apply(thisArg, args); +} + +/** + * The base implementation of `_.times` without support for iteratee shorthands + * or max array length checks. + * + * @private + * @param {number} n The number of times to invoke `iteratee`. + * @param {Function} iteratee The function invoked per iteration. + * @returns {Array} Returns the array of results. + */ +function baseTimes(n, iteratee) { + var index = -1, + result = Array(n); + + while (++index < n) { + result[index] = iteratee(index); + } + return result; +} + +/** + * The base implementation of `_.unary` without support for storing metadata. + * + * @private + * @param {Function} func The function to cap arguments for. + * @returns {Function} Returns the new capped function. + */ +function baseUnary(func) { + return function(value) { + return func(value); + }; +} + +/** + * Gets the value at `key` of `object`. + * + * @private + * @param {Object} [object] The object to query. + * @param {string} key The key of the property to get. + * @returns {*} Returns the property value. + */ +function getValue(object, key) { + return object == null ? undefined : object[key]; +} + +/** + * Creates a unary function that invokes `func` with its argument transformed. + * + * @private + * @param {Function} func The function to wrap. + * @param {Function} transform The argument transform. + * @returns {Function} Returns the new function. + */ +function overArg(func, transform) { + return function(arg) { + return func(transform(arg)); + }; +} + +/** Used for built-in method references. */ +var arrayProto = Array.prototype, + funcProto = Function.prototype, + objectProto = Object.prototype; + +/** Used to detect overreaching core-js shims. */ +var coreJsData = root['__core-js_shared__']; + +/** Used to resolve the decompiled source of functions. */ +var funcToString = funcProto.toString; + +/** Used to check objects for own properties. */ +var hasOwnProperty = objectProto.hasOwnProperty; + +/** Used to detect methods masquerading as native. */ +var maskSrcKey = (function() { + var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || ''); + return uid ? ('Symbol(src)_1.' + uid) : ''; +}()); + +/** + * Used to resolve the + * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring) + * of values. + */ +var nativeObjectToString = objectProto.toString; + +/** Used to infer the `Object` constructor. */ +var objectCtorString = funcToString.call(Object); + +/** Used to detect if a method is native. */ +var reIsNative = RegExp('^' + + funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&') + .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$' +); + +/** Built-in value references. */ +var Buffer = moduleExports ? root.Buffer : undefined, + Symbol = root.Symbol, + Uint8Array = root.Uint8Array, + allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined, + getPrototype = overArg(Object.getPrototypeOf, Object), + objectCreate = Object.create, + propertyIsEnumerable = objectProto.propertyIsEnumerable, + splice = arrayProto.splice, + symToStringTag = Symbol ? Symbol.toStringTag : undefined; + +var defineProperty = (function() { + try { + var func = getNative(Object, 'defineProperty'); + func({}, '', {}); + return func; + } catch (e) {} +}()); + +/* Built-in method references for those with the same name as other `lodash` methods. */ +var nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined, + nativeMax = Math.max, + nativeNow = Date.now; + +/* Built-in method references that are verified to be native. */ +var Map = getNative(root, 'Map'), + nativeCreate = getNative(Object, 'create'); + +/** + * The base implementation of `_.create` without support for assigning + * properties to the created object. + * + * @private + * @param {Object} proto The object to inherit from. + * @returns {Object} Returns the new object. + */ +var baseCreate = (function() { + function object() {} + return function(proto) { + if (!isObject(proto)) { + return {}; + } + if (objectCreate) { + return objectCreate(proto); + } + object.prototype = proto; + var result = new object; + object.prototype = undefined; + return result; + }; +}()); + +/** + * Creates a hash object. + * + * @private + * @constructor + * @param {Array} [entries] The key-value pairs to cache. + */ +function Hash(entries) { + var index = -1, + length = entries == null ? 0 : entries.length; + + this.clear(); + while (++index < length) { + var entry = entries[index]; + this.set(entry[0], entry[1]); + } +} + +/** + * Removes all key-value entries from the hash. + * + * @private + * @name clear + * @memberOf Hash + */ +function hashClear() { + this.__data__ = nativeCreate ? nativeCreate(null) : {}; + this.size = 0; +} + +/** + * Removes `key` and its value from the hash. + * + * @private + * @name delete + * @memberOf Hash + * @param {Object} hash The hash to modify. + * @param {string} key The key of the value to remove. + * @returns {boolean} Returns `true` if the entry was removed, else `false`. + */ +function hashDelete(key) { + var result = this.has(key) && delete this.__data__[key]; + this.size -= result ? 1 : 0; + return result; +} + +/** + * Gets the hash value for `key`. + * + * @private + * @name get + * @memberOf Hash + * @param {string} key The key of the value to get. + * @returns {*} Returns the entry value. + */ +function hashGet(key) { + var data = this.__data__; + if (nativeCreate) { + var result = data[key]; + return result === HASH_UNDEFINED ? undefined : result; + } + return hasOwnProperty.call(data, key) ? data[key] : undefined; +} + +/** + * Checks if a hash value for `key` exists. + * + * @private + * @name has + * @memberOf Hash + * @param {string} key The key of the entry to check. + * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. + */ +function hashHas(key) { + var data = this.__data__; + return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key); +} + +/** + * Sets the hash `key` to `value`. + * + * @private + * @name set + * @memberOf Hash + * @param {string} key The key of the value to set. + * @param {*} value The value to set. + * @returns {Object} Returns the hash instance. + */ +function hashSet(key, value) { + var data = this.__data__; + this.size += this.has(key) ? 0 : 1; + data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value; + return this; +} + +// Add methods to `Hash`. +Hash.prototype.clear = hashClear; +Hash.prototype['delete'] = hashDelete; +Hash.prototype.get = hashGet; +Hash.prototype.has = hashHas; +Hash.prototype.set = hashSet; + +/** + * Creates an list cache object. + * + * @private + * @constructor + * @param {Array} [entries] The key-value pairs to cache. + */ +function ListCache(entries) { + var index = -1, + length = entries == null ? 0 : entries.length; + + this.clear(); + while (++index < length) { + var entry = entries[index]; + this.set(entry[0], entry[1]); + } +} + +/** + * Removes all key-value entries from the list cache. + * + * @private + * @name clear + * @memberOf ListCache + */ +function listCacheClear() { + this.__data__ = []; + this.size = 0; +} + +/** + * Removes `key` and its value from the list cache. + * + * @private + * @name delete + * @memberOf ListCache + * @param {string} key The key of the value to remove. + * @returns {boolean} Returns `true` if the entry was removed, else `false`. + */ +function listCacheDelete(key) { + var data = this.__data__, + index = assocIndexOf(data, key); + + if (index < 0) { + return false; + } + var lastIndex = data.length - 1; + if (index == lastIndex) { + data.pop(); + } else { + splice.call(data, index, 1); + } + --this.size; + return true; +} + +/** + * Gets the list cache value for `key`. + * + * @private + * @name get + * @memberOf ListCache + * @param {string} key The key of the value to get. + * @returns {*} Returns the entry value. + */ +function listCacheGet(key) { + var data = this.__data__, + index = assocIndexOf(data, key); + + return index < 0 ? undefined : data[index][1]; +} + +/** + * Checks if a list cache value for `key` exists. + * + * @private + * @name has + * @memberOf ListCache + * @param {string} key The key of the entry to check. + * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. + */ +function listCacheHas(key) { + return assocIndexOf(this.__data__, key) > -1; +} + +/** + * Sets the list cache `key` to `value`. + * + * @private + * @name set + * @memberOf ListCache + * @param {string} key The key of the value to set. + * @param {*} value The value to set. + * @returns {Object} Returns the list cache instance. + */ +function listCacheSet(key, value) { + var data = this.__data__, + index = assocIndexOf(data, key); + + if (index < 0) { + ++this.size; + data.push([key, value]); + } else { + data[index][1] = value; + } + return this; +} + +// Add methods to `ListCache`. +ListCache.prototype.clear = listCacheClear; +ListCache.prototype['delete'] = listCacheDelete; +ListCache.prototype.get = listCacheGet; +ListCache.prototype.has = listCacheHas; +ListCache.prototype.set = listCacheSet; + +/** + * Creates a map cache object to store key-value pairs. + * + * @private + * @constructor + * @param {Array} [entries] The key-value pairs to cache. + */ +function MapCache(entries) { + var index = -1, + length = entries == null ? 0 : entries.length; + + this.clear(); + while (++index < length) { + var entry = entries[index]; + this.set(entry[0], entry[1]); + } +} + +/** + * Removes all key-value entries from the map. + * + * @private + * @name clear + * @memberOf MapCache + */ +function mapCacheClear() { + this.size = 0; + this.__data__ = { + 'hash': new Hash, + 'map': new (Map || ListCache), + 'string': new Hash + }; +} + +/** + * Removes `key` and its value from the map. + * + * @private + * @name delete + * @memberOf MapCache + * @param {string} key The key of the value to remove. + * @returns {boolean} Returns `true` if the entry was removed, else `false`. + */ +function mapCacheDelete(key) { + var result = getMapData(this, key)['delete'](key); + this.size -= result ? 1 : 0; + return result; +} + +/** + * Gets the map value for `key`. + * + * @private + * @name get + * @memberOf MapCache + * @param {string} key The key of the value to get. + * @returns {*} Returns the entry value. + */ +function mapCacheGet(key) { + return getMapData(this, key).get(key); +} + +/** + * Checks if a map value for `key` exists. + * + * @private + * @name has + * @memberOf MapCache + * @param {string} key The key of the entry to check. + * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. + */ +function mapCacheHas(key) { + return getMapData(this, key).has(key); +} + +/** + * Sets the map `key` to `value`. + * + * @private + * @name set + * @memberOf MapCache + * @param {string} key The key of the value to set. + * @param {*} value The value to set. + * @returns {Object} Returns the map cache instance. + */ +function mapCacheSet(key, value) { + var data = getMapData(this, key), + size = data.size; + + data.set(key, value); + this.size += data.size == size ? 0 : 1; + return this; +} + +// Add methods to `MapCache`. +MapCache.prototype.clear = mapCacheClear; +MapCache.prototype['delete'] = mapCacheDelete; +MapCache.prototype.get = mapCacheGet; +MapCache.prototype.has = mapCacheHas; +MapCache.prototype.set = mapCacheSet; + +/** + * Creates a stack cache object to store key-value pairs. + * + * @private + * @constructor + * @param {Array} [entries] The key-value pairs to cache. + */ +function Stack(entries) { + var data = this.__data__ = new ListCache(entries); + this.size = data.size; +} + +/** + * Removes all key-value entries from the stack. + * + * @private + * @name clear + * @memberOf Stack + */ +function stackClear() { + this.__data__ = new ListCache; + this.size = 0; +} + +/** + * Removes `key` and its value from the stack. + * + * @private + * @name delete + * @memberOf Stack + * @param {string} key The key of the value to remove. + * @returns {boolean} Returns `true` if the entry was removed, else `false`. + */ +function stackDelete(key) { + var data = this.__data__, + result = data['delete'](key); + + this.size = data.size; + return result; +} + +/** + * Gets the stack value for `key`. + * + * @private + * @name get + * @memberOf Stack + * @param {string} key The key of the value to get. + * @returns {*} Returns the entry value. + */ +function stackGet(key) { + return this.__data__.get(key); +} + +/** + * Checks if a stack value for `key` exists. + * + * @private + * @name has + * @memberOf Stack + * @param {string} key The key of the entry to check. + * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. + */ +function stackHas(key) { + return this.__data__.has(key); +} + +/** + * Sets the stack `key` to `value`. + * + * @private + * @name set + * @memberOf Stack + * @param {string} key The key of the value to set. + * @param {*} value The value to set. + * @returns {Object} Returns the stack cache instance. + */ +function stackSet(key, value) { + var data = this.__data__; + if (data instanceof ListCache) { + var pairs = data.__data__; + if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) { + pairs.push([key, value]); + this.size = ++data.size; + return this; + } + data = this.__data__ = new MapCache(pairs); + } + data.set(key, value); + this.size = data.size; + return this; +} + +// Add methods to `Stack`. +Stack.prototype.clear = stackClear; +Stack.prototype['delete'] = stackDelete; +Stack.prototype.get = stackGet; +Stack.prototype.has = stackHas; +Stack.prototype.set = stackSet; + +/** + * Creates an array of the enumerable property names of the array-like `value`. + * + * @private + * @param {*} value The value to query. + * @param {boolean} inherited Specify returning inherited property names. + * @returns {Array} Returns the array of property names. + */ +function arrayLikeKeys(value, inherited) { + var isArr = isArray(value), + isArg = !isArr && isArguments(value), + isBuff = !isArr && !isArg && isBuffer(value), + isType = !isArr && !isArg && !isBuff && isTypedArray(value), + skipIndexes = isArr || isArg || isBuff || isType, + result = skipIndexes ? baseTimes(value.length, String) : [], + length = result.length; + + for (var key in value) { + if ((inherited || hasOwnProperty.call(value, key)) && + !(skipIndexes && ( + // Safari 9 has enumerable `arguments.length` in strict mode. + key == 'length' || + // Node.js 0.10 has enumerable non-index properties on buffers. + (isBuff && (key == 'offset' || key == 'parent')) || + // PhantomJS 2 has enumerable non-index properties on typed arrays. + (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) || + // Skip index properties. + isIndex(key, length) + ))) { + result.push(key); + } + } + return result; +} + +/** + * This function is like `assignValue` except that it doesn't assign + * `undefined` values. + * + * @private + * @param {Object} object The object to modify. + * @param {string} key The key of the property to assign. + * @param {*} value The value to assign. + */ +function assignMergeValue(object, key, value) { + if ((value !== undefined && !eq(object[key], value)) || + (value === undefined && !(key in object))) { + baseAssignValue(object, key, value); + } +} + +/** + * Assigns `value` to `key` of `object` if the existing value is not equivalent + * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * for equality comparisons. + * + * @private + * @param {Object} object The object to modify. + * @param {string} key The key of the property to assign. + * @param {*} value The value to assign. + */ +function assignValue(object, key, value) { + var objValue = object[key]; + if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) || + (value === undefined && !(key in object))) { + baseAssignValue(object, key, value); + } +} + +/** + * Gets the index at which the `key` is found in `array` of key-value pairs. + * + * @private + * @param {Array} array The array to inspect. + * @param {*} key The key to search for. + * @returns {number} Returns the index of the matched value, else `-1`. + */ +function assocIndexOf(array, key) { + var length = array.length; + while (length--) { + if (eq(array[length][0], key)) { + return length; + } + } + return -1; +} + +/** + * The base implementation of `assignValue` and `assignMergeValue` without + * value checks. + * + * @private + * @param {Object} object The object to modify. + * @param {string} key The key of the property to assign. + * @param {*} value The value to assign. + */ +function baseAssignValue(object, key, value) { + if (key == '__proto__' && defineProperty) { + defineProperty(object, key, { + 'configurable': true, + 'enumerable': true, + 'value': value, + 'writable': true + }); + } else { + object[key] = value; + } +} + +/** + * The base implementation of `baseForOwn` which iterates over `object` + * properties returned by `keysFunc` and invokes `iteratee` for each property. + * Iteratee functions may exit iteration early by explicitly returning `false`. + * + * @private + * @param {Object} object The object to iterate over. + * @param {Function} iteratee The function invoked per iteration. + * @param {Function} keysFunc The function to get the keys of `object`. + * @returns {Object} Returns `object`. + */ +var baseFor = createBaseFor(); + +/** + * The base implementation of `getTag` without fallbacks for buggy environments. + * + * @private + * @param {*} value The value to query. + * @returns {string} Returns the `toStringTag`. + */ +function baseGetTag(value) { + if (value == null) { + return value === undefined ? undefinedTag : nullTag; + } + return (symToStringTag && symToStringTag in Object(value)) + ? getRawTag(value) + : objectToString(value); +} + +/** + * The base implementation of `_.isArguments`. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an `arguments` object, + */ +function baseIsArguments(value) { + return isObjectLike(value) && baseGetTag(value) == argsTag; +} + +/** + * The base implementation of `_.isNative` without bad shim checks. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a native function, + * else `false`. + */ +function baseIsNative(value) { + if (!isObject(value) || isMasked(value)) { + return false; + } + var pattern = isFunction(value) ? reIsNative : reIsHostCtor; + return pattern.test(toSource(value)); +} + +/** + * The base implementation of `_.isTypedArray` without Node.js optimizations. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a typed array, else `false`. + */ +function baseIsTypedArray(value) { + return isObjectLike(value) && + isLength(value.length) && !!typedArrayTags[baseGetTag(value)]; +} + +/** + * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense. + * + * @private + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names. + */ +function baseKeysIn(object) { + if (!isObject(object)) { + return nativeKeysIn(object); + } + var isProto = isPrototype(object), + result = []; + + for (var key in object) { + if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) { + result.push(key); + } + } + return result; +} + +/** + * The base implementation of `_.merge` without support for multiple sources. + * + * @private + * @param {Object} object The destination object. + * @param {Object} source The source object. + * @param {number} srcIndex The index of `source`. + * @param {Function} [customizer] The function to customize merged values. + * @param {Object} [stack] Tracks traversed source values and their merged + * counterparts. + */ +function baseMerge(object, source, srcIndex, customizer, stack) { + if (object === source) { + return; + } + baseFor(source, function(srcValue, key) { + stack || (stack = new Stack); + if (isObject(srcValue)) { + baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack); + } + else { + var newValue = customizer + ? customizer(safeGet(object, key), srcValue, (key + ''), object, source, stack) + : undefined; + + if (newValue === undefined) { + newValue = srcValue; + } + assignMergeValue(object, key, newValue); + } + }, keysIn); +} + +/** + * A specialized version of `baseMerge` for arrays and objects which performs + * deep merges and tracks traversed objects enabling objects with circular + * references to be merged. + * + * @private + * @param {Object} object The destination object. + * @param {Object} source The source object. + * @param {string} key The key of the value to merge. + * @param {number} srcIndex The index of `source`. + * @param {Function} mergeFunc The function to merge values. + * @param {Function} [customizer] The function to customize assigned values. + * @param {Object} [stack] Tracks traversed source values and their merged + * counterparts. + */ +function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) { + var objValue = safeGet(object, key), + srcValue = safeGet(source, key), + stacked = stack.get(srcValue); + + if (stacked) { + assignMergeValue(object, key, stacked); + return; + } + var newValue = customizer + ? customizer(objValue, srcValue, (key + ''), object, source, stack) + : undefined; + + var isCommon = newValue === undefined; + + if (isCommon) { + var isArr = isArray(srcValue), + isBuff = !isArr && isBuffer(srcValue), + isTyped = !isArr && !isBuff && isTypedArray(srcValue); + + newValue = srcValue; + if (isArr || isBuff || isTyped) { + if (isArray(objValue)) { + newValue = objValue; + } + else if (isArrayLikeObject(objValue)) { + newValue = copyArray(objValue); + } + else if (isBuff) { + isCommon = false; + newValue = cloneBuffer(srcValue, true); + } + else if (isTyped) { + isCommon = false; + newValue = cloneTypedArray(srcValue, true); + } + else { + newValue = []; + } + } + else if (isPlainObject(srcValue) || isArguments(srcValue)) { + newValue = objValue; + if (isArguments(objValue)) { + newValue = toPlainObject(objValue); + } + else if (!isObject(objValue) || isFunction(objValue)) { + newValue = initCloneObject(srcValue); + } + } + else { + isCommon = false; + } + } + if (isCommon) { + // Recursively merge objects and arrays (susceptible to call stack limits). + stack.set(srcValue, newValue); + mergeFunc(newValue, srcValue, srcIndex, customizer, stack); + stack['delete'](srcValue); + } + assignMergeValue(object, key, newValue); +} + +/** + * The base implementation of `_.rest` which doesn't validate or coerce arguments. + * + * @private + * @param {Function} func The function to apply a rest parameter to. + * @param {number} [start=func.length-1] The start position of the rest parameter. + * @returns {Function} Returns the new function. + */ +function baseRest(func, start) { + return setToString(overRest(func, start, identity), func + ''); +} + +/** + * The base implementation of `setToString` without support for hot loop shorting. + * + * @private + * @param {Function} func The function to modify. + * @param {Function} string The `toString` result. + * @returns {Function} Returns `func`. + */ +var baseSetToString = !defineProperty ? identity : function(func, string) { + return defineProperty(func, 'toString', { + 'configurable': true, + 'enumerable': false, + 'value': constant(string), + 'writable': true + }); +}; + +/** + * Creates a clone of `buffer`. + * + * @private + * @param {Buffer} buffer The buffer to clone. + * @param {boolean} [isDeep] Specify a deep clone. + * @returns {Buffer} Returns the cloned buffer. + */ +function cloneBuffer(buffer, isDeep) { + if (isDeep) { + return buffer.slice(); + } + var length = buffer.length, + result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length); + + buffer.copy(result); + return result; +} + +/** + * Creates a clone of `arrayBuffer`. + * + * @private + * @param {ArrayBuffer} arrayBuffer The array buffer to clone. + * @returns {ArrayBuffer} Returns the cloned array buffer. + */ +function cloneArrayBuffer(arrayBuffer) { + var result = new arrayBuffer.constructor(arrayBuffer.byteLength); + new Uint8Array(result).set(new Uint8Array(arrayBuffer)); + return result; +} + +/** + * Creates a clone of `typedArray`. + * + * @private + * @param {Object} typedArray The typed array to clone. + * @param {boolean} [isDeep] Specify a deep clone. + * @returns {Object} Returns the cloned typed array. + */ +function cloneTypedArray(typedArray, isDeep) { + var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer; + return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length); +} + +/** + * Copies the values of `source` to `array`. + * + * @private + * @param {Array} source The array to copy values from. + * @param {Array} [array=[]] The array to copy values to. + * @returns {Array} Returns `array`. + */ +function copyArray(source, array) { + var index = -1, + length = source.length; + + array || (array = Array(length)); + while (++index < length) { + array[index] = source[index]; + } + return array; +} + +/** + * Copies properties of `source` to `object`. + * + * @private + * @param {Object} source The object to copy properties from. + * @param {Array} props The property identifiers to copy. + * @param {Object} [object={}] The object to copy properties to. + * @param {Function} [customizer] The function to customize copied values. + * @returns {Object} Returns `object`. + */ +function copyObject(source, props, object, customizer) { + var isNew = !object; + object || (object = {}); + + var index = -1, + length = props.length; + + while (++index < length) { + var key = props[index]; + + var newValue = customizer + ? customizer(object[key], source[key], key, object, source) + : undefined; + + if (newValue === undefined) { + newValue = source[key]; + } + if (isNew) { + baseAssignValue(object, key, newValue); + } else { + assignValue(object, key, newValue); + } + } + return object; +} + +/** + * Creates a function like `_.assign`. + * + * @private + * @param {Function} assigner The function to assign values. + * @returns {Function} Returns the new assigner function. + */ +function createAssigner(assigner) { + return baseRest(function(object, sources) { + var index = -1, + length = sources.length, + customizer = length > 1 ? sources[length - 1] : undefined, + guard = length > 2 ? sources[2] : undefined; + + customizer = (assigner.length > 3 && typeof customizer == 'function') + ? (length--, customizer) + : undefined; + + if (guard && isIterateeCall(sources[0], sources[1], guard)) { + customizer = length < 3 ? undefined : customizer; + length = 1; + } + object = Object(object); + while (++index < length) { + var source = sources[index]; + if (source) { + assigner(object, source, index, customizer); + } + } + return object; + }); +} + +/** + * Creates a base function for methods like `_.forIn` and `_.forOwn`. + * + * @private + * @param {boolean} [fromRight] Specify iterating from right to left. + * @returns {Function} Returns the new base function. + */ +function createBaseFor(fromRight) { + return function(object, iteratee, keysFunc) { + var index = -1, + iterable = Object(object), + props = keysFunc(object), + length = props.length; + + while (length--) { + var key = props[fromRight ? length : ++index]; + if (iteratee(iterable[key], key, iterable) === false) { + break; + } + } + return object; + }; +} + +/** + * Gets the data for `map`. + * + * @private + * @param {Object} map The map to query. + * @param {string} key The reference key. + * @returns {*} Returns the map data. + */ +function getMapData(map, key) { + var data = map.__data__; + return isKeyable(key) + ? data[typeof key == 'string' ? 'string' : 'hash'] + : data.map; +} + +/** + * Gets the native function at `key` of `object`. + * + * @private + * @param {Object} object The object to query. + * @param {string} key The key of the method to get. + * @returns {*} Returns the function if it's native, else `undefined`. + */ +function getNative(object, key) { + var value = getValue(object, key); + return baseIsNative(value) ? value : undefined; +} + +/** + * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values. + * + * @private + * @param {*} value The value to query. + * @returns {string} Returns the raw `toStringTag`. + */ +function getRawTag(value) { + var isOwn = hasOwnProperty.call(value, symToStringTag), + tag = value[symToStringTag]; + + try { + value[symToStringTag] = undefined; + var unmasked = true; + } catch (e) {} + + var result = nativeObjectToString.call(value); + if (unmasked) { + if (isOwn) { + value[symToStringTag] = tag; + } else { + delete value[symToStringTag]; + } + } + return result; +} + +/** + * Initializes an object clone. + * + * @private + * @param {Object} object The object to clone. + * @returns {Object} Returns the initialized clone. + */ +function initCloneObject(object) { + return (typeof object.constructor == 'function' && !isPrototype(object)) + ? baseCreate(getPrototype(object)) + : {}; +} + +/** + * Checks if `value` is a valid array-like index. + * + * @private + * @param {*} value The value to check. + * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index. + * @returns {boolean} Returns `true` if `value` is a valid index, else `false`. + */ +function isIndex(value, length) { + var type = typeof value; + length = length == null ? MAX_SAFE_INTEGER : length; + + return !!length && + (type == 'number' || + (type != 'symbol' && reIsUint.test(value))) && + (value > -1 && value % 1 == 0 && value < length); +} + +/** + * Checks if the given arguments are from an iteratee call. + * + * @private + * @param {*} value The potential iteratee value argument. + * @param {*} index The potential iteratee index or key argument. + * @param {*} object The potential iteratee object argument. + * @returns {boolean} Returns `true` if the arguments are from an iteratee call, + * else `false`. + */ +function isIterateeCall(value, index, object) { + if (!isObject(object)) { + return false; + } + var type = typeof index; + if (type == 'number' + ? (isArrayLike(object) && isIndex(index, object.length)) + : (type == 'string' && index in object) + ) { + return eq(object[index], value); + } + return false; +} + +/** + * Checks if `value` is suitable for use as unique object key. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is suitable, else `false`. + */ +function isKeyable(value) { + var type = typeof value; + return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean') + ? (value !== '__proto__') + : (value === null); +} + +/** + * Checks if `func` has its source masked. + * + * @private + * @param {Function} func The function to check. + * @returns {boolean} Returns `true` if `func` is masked, else `false`. + */ +function isMasked(func) { + return !!maskSrcKey && (maskSrcKey in func); +} + +/** + * Checks if `value` is likely a prototype object. + * + * @private + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a prototype, else `false`. + */ +function isPrototype(value) { + var Ctor = value && value.constructor, + proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto; + + return value === proto; +} + +/** + * This function is like + * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys) + * except that it includes inherited enumerable properties. + * + * @private + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names. + */ +function nativeKeysIn(object) { + var result = []; + if (object != null) { + for (var key in Object(object)) { + result.push(key); + } + } + return result; +} + +/** + * Converts `value` to a string using `Object.prototype.toString`. + * + * @private + * @param {*} value The value to convert. + * @returns {string} Returns the converted string. + */ +function objectToString(value) { + return nativeObjectToString.call(value); +} + +/** + * A specialized version of `baseRest` which transforms the rest array. + * + * @private + * @param {Function} func The function to apply a rest parameter to. + * @param {number} [start=func.length-1] The start position of the rest parameter. + * @param {Function} transform The rest array transform. + * @returns {Function} Returns the new function. + */ +function overRest(func, start, transform) { + start = nativeMax(start === undefined ? (func.length - 1) : start, 0); + return function() { + var args = arguments, + index = -1, + length = nativeMax(args.length - start, 0), + array = Array(length); + + while (++index < length) { + array[index] = args[start + index]; + } + index = -1; + var otherArgs = Array(start + 1); + while (++index < start) { + otherArgs[index] = args[index]; + } + otherArgs[start] = transform(array); + return apply(func, this, otherArgs); + }; +} + +/** + * Gets the value at `key`, unless `key` is "__proto__" or "constructor". + * + * @private + * @param {Object} object The object to query. + * @param {string} key The key of the property to get. + * @returns {*} Returns the property value. + */ +function safeGet(object, key) { + if (key === 'constructor' && typeof object[key] === 'function') { + return; + } + + if (key == '__proto__') { + return; + } + + return object[key]; +} + +/** + * Sets the `toString` method of `func` to return `string`. + * + * @private + * @param {Function} func The function to modify. + * @param {Function} string The `toString` result. + * @returns {Function} Returns `func`. + */ +var setToString = shortOut(baseSetToString); + +/** + * Creates a function that'll short out and invoke `identity` instead + * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN` + * milliseconds. + * + * @private + * @param {Function} func The function to restrict. + * @returns {Function} Returns the new shortable function. + */ +function shortOut(func) { + var count = 0, + lastCalled = 0; + + return function() { + var stamp = nativeNow(), + remaining = HOT_SPAN - (stamp - lastCalled); + + lastCalled = stamp; + if (remaining > 0) { + if (++count >= HOT_COUNT) { + return arguments[0]; + } + } else { + count = 0; + } + return func.apply(undefined, arguments); + }; +} + +/** + * Converts `func` to its source code. + * + * @private + * @param {Function} func The function to convert. + * @returns {string} Returns the source code. + */ +function toSource(func) { + if (func != null) { + try { + return funcToString.call(func); + } catch (e) {} + try { + return (func + ''); + } catch (e) {} + } + return ''; +} + +/** + * Performs a + * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero) + * comparison between two values to determine if they are equivalent. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to compare. + * @param {*} other The other value to compare. + * @returns {boolean} Returns `true` if the values are equivalent, else `false`. + * @example + * + * var object = { 'a': 1 }; + * var other = { 'a': 1 }; + * + * _.eq(object, object); + * // => true + * + * _.eq(object, other); + * // => false + * + * _.eq('a', 'a'); + * // => true + * + * _.eq('a', Object('a')); + * // => false + * + * _.eq(NaN, NaN); + * // => true + */ +function eq(value, other) { + return value === other || (value !== value && other !== other); +} + +/** + * Checks if `value` is likely an `arguments` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an `arguments` object, + * else `false`. + * @example + * + * _.isArguments(function() { return arguments; }()); + * // => true + * + * _.isArguments([1, 2, 3]); + * // => false + */ +var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) { + return isObjectLike(value) && hasOwnProperty.call(value, 'callee') && + !propertyIsEnumerable.call(value, 'callee'); +}; + +/** + * Checks if `value` is classified as an `Array` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an array, else `false`. + * @example + * + * _.isArray([1, 2, 3]); + * // => true + * + * _.isArray(document.body.children); + * // => false + * + * _.isArray('abc'); + * // => false + * + * _.isArray(_.noop); + * // => false + */ +var isArray = Array.isArray; + +/** + * Checks if `value` is array-like. A value is considered array-like if it's + * not a function and has a `value.length` that's an integer greater than or + * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is array-like, else `false`. + * @example + * + * _.isArrayLike([1, 2, 3]); + * // => true + * + * _.isArrayLike(document.body.children); + * // => true + * + * _.isArrayLike('abc'); + * // => true + * + * _.isArrayLike(_.noop); + * // => false + */ +function isArrayLike(value) { + return value != null && isLength(value.length) && !isFunction(value); +} + +/** + * This method is like `_.isArrayLike` except that it also checks if `value` + * is an object. + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an array-like object, + * else `false`. + * @example + * + * _.isArrayLikeObject([1, 2, 3]); + * // => true + * + * _.isArrayLikeObject(document.body.children); + * // => true + * + * _.isArrayLikeObject('abc'); + * // => false + * + * _.isArrayLikeObject(_.noop); + * // => false + */ +function isArrayLikeObject(value) { + return isObjectLike(value) && isArrayLike(value); +} + +/** + * Checks if `value` is a buffer. + * + * @static + * @memberOf _ + * @since 4.3.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a buffer, else `false`. + * @example + * + * _.isBuffer(new Buffer(2)); + * // => true + * + * _.isBuffer(new Uint8Array(2)); + * // => false + */ +var isBuffer = nativeIsBuffer || stubFalse; + +/** + * Checks if `value` is classified as a `Function` object. + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a function, else `false`. + * @example + * + * _.isFunction(_); + * // => true + * + * _.isFunction(/abc/); + * // => false + */ +function isFunction(value) { + if (!isObject(value)) { + return false; + } + // The use of `Object#toString` avoids issues with the `typeof` operator + // in Safari 9 which returns 'object' for typed arrays and other constructors. + var tag = baseGetTag(value); + return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag; +} + +/** + * Checks if `value` is a valid array-like length. + * + * **Note:** This method is loosely based on + * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength). + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a valid length, else `false`. + * @example + * + * _.isLength(3); + * // => true + * + * _.isLength(Number.MIN_VALUE); + * // => false + * + * _.isLength(Infinity); + * // => false + * + * _.isLength('3'); + * // => false + */ +function isLength(value) { + return typeof value == 'number' && + value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER; +} + +/** + * Checks if `value` is the + * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types) + * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`) + * + * @static + * @memberOf _ + * @since 0.1.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is an object, else `false`. + * @example + * + * _.isObject({}); + * // => true + * + * _.isObject([1, 2, 3]); + * // => true + * + * _.isObject(_.noop); + * // => true + * + * _.isObject(null); + * // => false + */ +function isObject(value) { + var type = typeof value; + return value != null && (type == 'object' || type == 'function'); +} + +/** + * Checks if `value` is object-like. A value is object-like if it's not `null` + * and has a `typeof` result of "object". + * + * @static + * @memberOf _ + * @since 4.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is object-like, else `false`. + * @example + * + * _.isObjectLike({}); + * // => true + * + * _.isObjectLike([1, 2, 3]); + * // => true + * + * _.isObjectLike(_.noop); + * // => false + * + * _.isObjectLike(null); + * // => false + */ +function isObjectLike(value) { + return value != null && typeof value == 'object'; +} + +/** + * Checks if `value` is a plain object, that is, an object created by the + * `Object` constructor or one with a `[[Prototype]]` of `null`. + * + * @static + * @memberOf _ + * @since 0.8.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a plain object, else `false`. + * @example + * + * function Foo() { + * this.a = 1; + * } + * + * _.isPlainObject(new Foo); + * // => false + * + * _.isPlainObject([1, 2, 3]); + * // => false + * + * _.isPlainObject({ 'x': 0, 'y': 0 }); + * // => true + * + * _.isPlainObject(Object.create(null)); + * // => true + */ +function isPlainObject(value) { + if (!isObjectLike(value) || baseGetTag(value) != objectTag) { + return false; + } + var proto = getPrototype(value); + if (proto === null) { + return true; + } + var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor; + return typeof Ctor == 'function' && Ctor instanceof Ctor && + funcToString.call(Ctor) == objectCtorString; +} + +/** + * Checks if `value` is classified as a typed array. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to check. + * @returns {boolean} Returns `true` if `value` is a typed array, else `false`. + * @example + * + * _.isTypedArray(new Uint8Array); + * // => true + * + * _.isTypedArray([]); + * // => false + */ +var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray; + +/** + * Converts `value` to a plain object flattening inherited enumerable string + * keyed properties of `value` to own properties of the plain object. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Lang + * @param {*} value The value to convert. + * @returns {Object} Returns the converted plain object. + * @example + * + * function Foo() { + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.assign({ 'a': 1 }, new Foo); + * // => { 'a': 1, 'b': 2 } + * + * _.assign({ 'a': 1 }, _.toPlainObject(new Foo)); + * // => { 'a': 1, 'b': 2, 'c': 3 } + */ +function toPlainObject(value) { + return copyObject(value, keysIn(value)); +} + +/** + * Creates an array of the own and inherited enumerable property names of `object`. + * + * **Note:** Non-object values are coerced to objects. + * + * @static + * @memberOf _ + * @since 3.0.0 + * @category Object + * @param {Object} object The object to query. + * @returns {Array} Returns the array of property names. + * @example + * + * function Foo() { + * this.a = 1; + * this.b = 2; + * } + * + * Foo.prototype.c = 3; + * + * _.keysIn(new Foo); + * // => ['a', 'b', 'c'] (iteration order is not guaranteed) + */ +function keysIn(object) { + return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object); +} + +/** + * This method is like `_.assign` except that it recursively merges own and + * inherited enumerable string keyed properties of source objects into the + * destination object. Source properties that resolve to `undefined` are + * skipped if a destination value exists. Array and plain object properties + * are merged recursively. Other objects and value types are overridden by + * assignment. Source objects are applied from left to right. Subsequent + * sources overwrite property assignments of previous sources. + * + * **Note:** This method mutates `object`. + * + * @static + * @memberOf _ + * @since 0.5.0 + * @category Object + * @param {Object} object The destination object. + * @param {...Object} [sources] The source objects. + * @returns {Object} Returns `object`. + * @example + * + * var object = { + * 'a': [{ 'b': 2 }, { 'd': 4 }] + * }; + * + * var other = { + * 'a': [{ 'c': 3 }, { 'e': 5 }] + * }; + * + * _.merge(object, other); + * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] } + */ +var merge = createAssigner(function(object, source, srcIndex) { + baseMerge(object, source, srcIndex); +}); + +/** + * Creates a function that returns `value`. + * + * @static + * @memberOf _ + * @since 2.4.0 + * @category Util + * @param {*} value The value to return from the new function. + * @returns {Function} Returns the new constant function. + * @example + * + * var objects = _.times(2, _.constant({ 'a': 1 })); + * + * console.log(objects); + * // => [{ 'a': 1 }, { 'a': 1 }] + * + * console.log(objects[0] === objects[1]); + * // => true + */ +function constant(value) { + return function() { + return value; + }; +} + +/** + * This method returns the first argument it receives. + * + * @static + * @since 0.1.0 + * @memberOf _ + * @category Util + * @param {*} value Any value. + * @returns {*} Returns `value`. + * @example + * + * var object = { 'a': 1 }; + * + * console.log(_.identity(object) === object); + * // => true + */ +function identity(value) { + return value; +} + +/** + * This method returns `false`. + * + * @static + * @memberOf _ + * @since 4.13.0 + * @category Util + * @returns {boolean} Returns `false`. + * @example + * + * _.times(2, _.stubFalse); + * // => [false, false] + */ +function stubFalse() { + return false; +} + +module.exports = merge; diff --git a/module/node_modules/lodash.merge/package.json b/module/node_modules/lodash.merge/package.json new file mode 100644 index 000000000..3130fc8fb --- /dev/null +++ b/module/node_modules/lodash.merge/package.json @@ -0,0 +1,16 @@ +{ + "name": "lodash.merge", + "version": "4.6.2", + "description": "The Lodash method `_.merge` exported as a module.", + "homepage": "https://lodash.com/", + "icon": "https://lodash.com/icon.svg", + "license": "MIT", + "keywords": "lodash-modularized, merge", + "author": "John-David Dalton ", + "contributors": [ + "John-David Dalton ", + "Mathias Bynens " + ], + "repository": "lodash/lodash", + "scripts": { "test": "echo \"See https://travis-ci.org/lodash/lodash-cli for testing details.\"" } +} diff --git a/module/node_modules/minimatch/LICENSE b/module/node_modules/minimatch/LICENSE new file mode 100644 index 000000000..19129e315 --- /dev/null +++ b/module/node_modules/minimatch/LICENSE @@ -0,0 +1,15 @@ +The ISC License + +Copyright (c) Isaac Z. Schlueter and Contributors + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR +IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/module/node_modules/minimatch/README.md b/module/node_modules/minimatch/README.md new file mode 100644 index 000000000..33ede1d6e --- /dev/null +++ b/module/node_modules/minimatch/README.md @@ -0,0 +1,230 @@ +# minimatch + +A minimal matching utility. + +[![Build Status](https://travis-ci.org/isaacs/minimatch.svg?branch=master)](http://travis-ci.org/isaacs/minimatch) + + +This is the matching library used internally by npm. + +It works by converting glob expressions into JavaScript `RegExp` +objects. + +## Usage + +```javascript +var minimatch = require("minimatch") + +minimatch("bar.foo", "*.foo") // true! +minimatch("bar.foo", "*.bar") // false! +minimatch("bar.foo", "*.+(bar|foo)", { debug: true }) // true, and noisy! +``` + +## Features + +Supports these glob features: + +* Brace Expansion +* Extended glob matching +* "Globstar" `**` matching + +See: + +* `man sh` +* `man bash` +* `man 3 fnmatch` +* `man 5 gitignore` + +## Minimatch Class + +Create a minimatch object by instantiating the `minimatch.Minimatch` class. + +```javascript +var Minimatch = require("minimatch").Minimatch +var mm = new Minimatch(pattern, options) +``` + +### Properties + +* `pattern` The original pattern the minimatch object represents. +* `options` The options supplied to the constructor. +* `set` A 2-dimensional array of regexp or string expressions. + Each row in the + array corresponds to a brace-expanded pattern. Each item in the row + corresponds to a single path-part. For example, the pattern + `{a,b/c}/d` would expand to a set of patterns like: + + [ [ a, d ] + , [ b, c, d ] ] + + If a portion of the pattern doesn't have any "magic" in it + (that is, it's something like `"foo"` rather than `fo*o?`), then it + will be left as a string rather than converted to a regular + expression. + +* `regexp` Created by the `makeRe` method. A single regular expression + expressing the entire pattern. This is useful in cases where you wish + to use the pattern somewhat like `fnmatch(3)` with `FNM_PATH` enabled. +* `negate` True if the pattern is negated. +* `comment` True if the pattern is a comment. +* `empty` True if the pattern is `""`. + +### Methods + +* `makeRe` Generate the `regexp` member if necessary, and return it. + Will return `false` if the pattern is invalid. +* `match(fname)` Return true if the filename matches the pattern, or + false otherwise. +* `matchOne(fileArray, patternArray, partial)` Take a `/`-split + filename, and match it against a single row in the `regExpSet`. This + method is mainly for internal use, but is exposed so that it can be + used by a glob-walker that needs to avoid excessive filesystem calls. + +All other methods are internal, and will be called as necessary. + +### minimatch(path, pattern, options) + +Main export. Tests a path against the pattern using the options. + +```javascript +var isJS = minimatch(file, "*.js", { matchBase: true }) +``` + +### minimatch.filter(pattern, options) + +Returns a function that tests its +supplied argument, suitable for use with `Array.filter`. Example: + +```javascript +var javascripts = fileList.filter(minimatch.filter("*.js", {matchBase: true})) +``` + +### minimatch.match(list, pattern, options) + +Match against the list of +files, in the style of fnmatch or glob. If nothing is matched, and +options.nonull is set, then return a list containing the pattern itself. + +```javascript +var javascripts = minimatch.match(fileList, "*.js", {matchBase: true})) +``` + +### minimatch.makeRe(pattern, options) + +Make a regular expression object from the pattern. + +## Options + +All options are `false` by default. + +### debug + +Dump a ton of stuff to stderr. + +### nobrace + +Do not expand `{a,b}` and `{1..3}` brace sets. + +### noglobstar + +Disable `**` matching against multiple folder names. + +### dot + +Allow patterns to match filenames starting with a period, even if +the pattern does not explicitly have a period in that spot. + +Note that by default, `a/**/b` will **not** match `a/.d/b`, unless `dot` +is set. + +### noext + +Disable "extglob" style patterns like `+(a|b)`. + +### nocase + +Perform a case-insensitive match. + +### nonull + +When a match is not found by `minimatch.match`, return a list containing +the pattern itself if this option is set. When not set, an empty list +is returned if there are no matches. + +### matchBase + +If set, then patterns without slashes will be matched +against the basename of the path if it contains slashes. For example, +`a?b` would match the path `/xyz/123/acb`, but not `/xyz/acb/123`. + +### nocomment + +Suppress the behavior of treating `#` at the start of a pattern as a +comment. + +### nonegate + +Suppress the behavior of treating a leading `!` character as negation. + +### flipNegate + +Returns from negate expressions the same as if they were not negated. +(Ie, true on a hit, false on a miss.) + +### partial + +Compare a partial path to a pattern. As long as the parts of the path that +are present are not contradicted by the pattern, it will be treated as a +match. This is useful in applications where you're walking through a +folder structure, and don't yet have the full path, but want to ensure that +you do not walk down paths that can never be a match. + +For example, + +```js +minimatch('/a/b', '/a/*/c/d', { partial: true }) // true, might be /a/b/c/d +minimatch('/a/b', '/**/d', { partial: true }) // true, might be /a/b/.../d +minimatch('/x/y/z', '/a/**/z', { partial: true }) // false, because x !== a +``` + +### allowWindowsEscape + +Windows path separator `\` is by default converted to `/`, which +prohibits the usage of `\` as a escape character. This flag skips that +behavior and allows using the escape character. + +## Comparisons to other fnmatch/glob implementations + +While strict compliance with the existing standards is a worthwhile +goal, some discrepancies exist between minimatch and other +implementations, and are intentional. + +If the pattern starts with a `!` character, then it is negated. Set the +`nonegate` flag to suppress this behavior, and treat leading `!` +characters normally. This is perhaps relevant if you wish to start the +pattern with a negative extglob pattern like `!(a|B)`. Multiple `!` +characters at the start of a pattern will negate the pattern multiple +times. + +If a pattern starts with `#`, then it is treated as a comment, and +will not match anything. Use `\#` to match a literal `#` at the +start of a line, or set the `nocomment` flag to suppress this behavior. + +The double-star character `**` is supported by default, unless the +`noglobstar` flag is set. This is supported in the manner of bsdglob +and bash 4.1, where `**` only has special significance if it is the only +thing in a path part. That is, `a/**/b` will match `a/x/y/b`, but +`a/**b` will not. + +If an escaped pattern has no matches, and the `nonull` flag is set, +then minimatch.match returns the pattern as-provided, rather than +interpreting the character escapes. For example, +`minimatch.match([], "\\*a\\?")` will return `"\\*a\\?"` rather than +`"*a?"`. This is akin to setting the `nullglob` option in bash, except +that it does not resolve escaped pattern characters. + +If brace expansion is not disabled, then it is performed before any +other interpretation of the glob pattern. Thus, a pattern like +`+(a|{b),c)}`, which would not be valid in bash or zsh, is expanded +**first** into the set of `+(a|b)` and `+(a|c)`, and those patterns are +checked for validity. Since those two are valid, matching proceeds. diff --git a/module/node_modules/minimatch/minimatch.js b/module/node_modules/minimatch/minimatch.js new file mode 100644 index 000000000..fda45ade7 --- /dev/null +++ b/module/node_modules/minimatch/minimatch.js @@ -0,0 +1,947 @@ +module.exports = minimatch +minimatch.Minimatch = Minimatch + +var path = (function () { try { return require('path') } catch (e) {}}()) || { + sep: '/' +} +minimatch.sep = path.sep + +var GLOBSTAR = minimatch.GLOBSTAR = Minimatch.GLOBSTAR = {} +var expand = require('brace-expansion') + +var plTypes = { + '!': { open: '(?:(?!(?:', close: '))[^/]*?)'}, + '?': { open: '(?:', close: ')?' }, + '+': { open: '(?:', close: ')+' }, + '*': { open: '(?:', close: ')*' }, + '@': { open: '(?:', close: ')' } +} + +// any single thing other than / +// don't need to escape / when using new RegExp() +var qmark = '[^/]' + +// * => any number of characters +var star = qmark + '*?' + +// ** when dots are allowed. Anything goes, except .. and . +// not (^ or / followed by one or two dots followed by $ or /), +// followed by anything, any number of times. +var twoStarDot = '(?:(?!(?:\\\/|^)(?:\\.{1,2})($|\\\/)).)*?' + +// not a ^ or / followed by a dot, +// followed by anything, any number of times. +var twoStarNoDot = '(?:(?!(?:\\\/|^)\\.).)*?' + +// characters that need to be escaped in RegExp. +var reSpecials = charSet('().*{}+?[]^$\\!') + +// "abc" -> { a:true, b:true, c:true } +function charSet (s) { + return s.split('').reduce(function (set, c) { + set[c] = true + return set + }, {}) +} + +// normalizes slashes. +var slashSplit = /\/+/ + +minimatch.filter = filter +function filter (pattern, options) { + options = options || {} + return function (p, i, list) { + return minimatch(p, pattern, options) + } +} + +function ext (a, b) { + b = b || {} + var t = {} + Object.keys(a).forEach(function (k) { + t[k] = a[k] + }) + Object.keys(b).forEach(function (k) { + t[k] = b[k] + }) + return t +} + +minimatch.defaults = function (def) { + if (!def || typeof def !== 'object' || !Object.keys(def).length) { + return minimatch + } + + var orig = minimatch + + var m = function minimatch (p, pattern, options) { + return orig(p, pattern, ext(def, options)) + } + + m.Minimatch = function Minimatch (pattern, options) { + return new orig.Minimatch(pattern, ext(def, options)) + } + m.Minimatch.defaults = function defaults (options) { + return orig.defaults(ext(def, options)).Minimatch + } + + m.filter = function filter (pattern, options) { + return orig.filter(pattern, ext(def, options)) + } + + m.defaults = function defaults (options) { + return orig.defaults(ext(def, options)) + } + + m.makeRe = function makeRe (pattern, options) { + return orig.makeRe(pattern, ext(def, options)) + } + + m.braceExpand = function braceExpand (pattern, options) { + return orig.braceExpand(pattern, ext(def, options)) + } + + m.match = function (list, pattern, options) { + return orig.match(list, pattern, ext(def, options)) + } + + return m +} + +Minimatch.defaults = function (def) { + return minimatch.defaults(def).Minimatch +} + +function minimatch (p, pattern, options) { + assertValidPattern(pattern) + + if (!options) options = {} + + // shortcut: comments match nothing. + if (!options.nocomment && pattern.charAt(0) === '#') { + return false + } + + return new Minimatch(pattern, options).match(p) +} + +function Minimatch (pattern, options) { + if (!(this instanceof Minimatch)) { + return new Minimatch(pattern, options) + } + + assertValidPattern(pattern) + + if (!options) options = {} + + pattern = pattern.trim() + + // windows support: need to use /, not \ + if (!options.allowWindowsEscape && path.sep !== '/') { + pattern = pattern.split(path.sep).join('/') + } + + this.options = options + this.set = [] + this.pattern = pattern + this.regexp = null + this.negate = false + this.comment = false + this.empty = false + this.partial = !!options.partial + + // make the set of regexps etc. + this.make() +} + +Minimatch.prototype.debug = function () {} + +Minimatch.prototype.make = make +function make () { + var pattern = this.pattern + var options = this.options + + // empty patterns and comments match nothing. + if (!options.nocomment && pattern.charAt(0) === '#') { + this.comment = true + return + } + if (!pattern) { + this.empty = true + return + } + + // step 1: figure out negation, etc. + this.parseNegate() + + // step 2: expand braces + var set = this.globSet = this.braceExpand() + + if (options.debug) this.debug = function debug() { console.error.apply(console, arguments) } + + this.debug(this.pattern, set) + + // step 3: now we have a set, so turn each one into a series of path-portion + // matching patterns. + // These will be regexps, except in the case of "**", which is + // set to the GLOBSTAR object for globstar behavior, + // and will not contain any / characters + set = this.globParts = set.map(function (s) { + return s.split(slashSplit) + }) + + this.debug(this.pattern, set) + + // glob --> regexps + set = set.map(function (s, si, set) { + return s.map(this.parse, this) + }, this) + + this.debug(this.pattern, set) + + // filter out everything that didn't compile properly. + set = set.filter(function (s) { + return s.indexOf(false) === -1 + }) + + this.debug(this.pattern, set) + + this.set = set +} + +Minimatch.prototype.parseNegate = parseNegate +function parseNegate () { + var pattern = this.pattern + var negate = false + var options = this.options + var negateOffset = 0 + + if (options.nonegate) return + + for (var i = 0, l = pattern.length + ; i < l && pattern.charAt(i) === '!' + ; i++) { + negate = !negate + negateOffset++ + } + + if (negateOffset) this.pattern = pattern.substr(negateOffset) + this.negate = negate +} + +// Brace expansion: +// a{b,c}d -> abd acd +// a{b,}c -> abc ac +// a{0..3}d -> a0d a1d a2d a3d +// a{b,c{d,e}f}g -> abg acdfg acefg +// a{b,c}d{e,f}g -> abdeg acdeg abdeg abdfg +// +// Invalid sets are not expanded. +// a{2..}b -> a{2..}b +// a{b}c -> a{b}c +minimatch.braceExpand = function (pattern, options) { + return braceExpand(pattern, options) +} + +Minimatch.prototype.braceExpand = braceExpand + +function braceExpand (pattern, options) { + if (!options) { + if (this instanceof Minimatch) { + options = this.options + } else { + options = {} + } + } + + pattern = typeof pattern === 'undefined' + ? this.pattern : pattern + + assertValidPattern(pattern) + + // Thanks to Yeting Li for + // improving this regexp to avoid a ReDOS vulnerability. + if (options.nobrace || !/\{(?:(?!\{).)*\}/.test(pattern)) { + // shortcut. no need to expand. + return [pattern] + } + + return expand(pattern) +} + +var MAX_PATTERN_LENGTH = 1024 * 64 +var assertValidPattern = function (pattern) { + if (typeof pattern !== 'string') { + throw new TypeError('invalid pattern') + } + + if (pattern.length > MAX_PATTERN_LENGTH) { + throw new TypeError('pattern is too long') + } +} + +// parse a component of the expanded set. +// At this point, no pattern may contain "/" in it +// so we're going to return a 2d array, where each entry is the full +// pattern, split on '/', and then turned into a regular expression. +// A regexp is made at the end which joins each array with an +// escaped /, and another full one which joins each regexp with |. +// +// Following the lead of Bash 4.1, note that "**" only has special meaning +// when it is the *only* thing in a path portion. Otherwise, any series +// of * is equivalent to a single *. Globstar behavior is enabled by +// default, and can be disabled by setting options.noglobstar. +Minimatch.prototype.parse = parse +var SUBPARSE = {} +function parse (pattern, isSub) { + assertValidPattern(pattern) + + var options = this.options + + // shortcuts + if (pattern === '**') { + if (!options.noglobstar) + return GLOBSTAR + else + pattern = '*' + } + if (pattern === '') return '' + + var re = '' + var hasMagic = !!options.nocase + var escaping = false + // ? => one single character + var patternListStack = [] + var negativeLists = [] + var stateChar + var inClass = false + var reClassStart = -1 + var classStart = -1 + // . and .. never match anything that doesn't start with ., + // even when options.dot is set. + var patternStart = pattern.charAt(0) === '.' ? '' // anything + // not (start or / followed by . or .. followed by / or end) + : options.dot ? '(?!(?:^|\\\/)\\.{1,2}(?:$|\\\/))' + : '(?!\\.)' + var self = this + + function clearStateChar () { + if (stateChar) { + // we had some state-tracking character + // that wasn't consumed by this pass. + switch (stateChar) { + case '*': + re += star + hasMagic = true + break + case '?': + re += qmark + hasMagic = true + break + default: + re += '\\' + stateChar + break + } + self.debug('clearStateChar %j %j', stateChar, re) + stateChar = false + } + } + + for (var i = 0, len = pattern.length, c + ; (i < len) && (c = pattern.charAt(i)) + ; i++) { + this.debug('%s\t%s %s %j', pattern, i, re, c) + + // skip over any that are escaped. + if (escaping && reSpecials[c]) { + re += '\\' + c + escaping = false + continue + } + + switch (c) { + /* istanbul ignore next */ + case '/': { + // completely not allowed, even escaped. + // Should already be path-split by now. + return false + } + + case '\\': + clearStateChar() + escaping = true + continue + + // the various stateChar values + // for the "extglob" stuff. + case '?': + case '*': + case '+': + case '@': + case '!': + this.debug('%s\t%s %s %j <-- stateChar', pattern, i, re, c) + + // all of those are literals inside a class, except that + // the glob [!a] means [^a] in regexp + if (inClass) { + this.debug(' in class') + if (c === '!' && i === classStart + 1) c = '^' + re += c + continue + } + + // if we already have a stateChar, then it means + // that there was something like ** or +? in there. + // Handle the stateChar, then proceed with this one. + self.debug('call clearStateChar %j', stateChar) + clearStateChar() + stateChar = c + // if extglob is disabled, then +(asdf|foo) isn't a thing. + // just clear the statechar *now*, rather than even diving into + // the patternList stuff. + if (options.noext) clearStateChar() + continue + + case '(': + if (inClass) { + re += '(' + continue + } + + if (!stateChar) { + re += '\\(' + continue + } + + patternListStack.push({ + type: stateChar, + start: i - 1, + reStart: re.length, + open: plTypes[stateChar].open, + close: plTypes[stateChar].close + }) + // negation is (?:(?!js)[^/]*) + re += stateChar === '!' ? '(?:(?!(?:' : '(?:' + this.debug('plType %j %j', stateChar, re) + stateChar = false + continue + + case ')': + if (inClass || !patternListStack.length) { + re += '\\)' + continue + } + + clearStateChar() + hasMagic = true + var pl = patternListStack.pop() + // negation is (?:(?!js)[^/]*) + // The others are (?:) + re += pl.close + if (pl.type === '!') { + negativeLists.push(pl) + } + pl.reEnd = re.length + continue + + case '|': + if (inClass || !patternListStack.length || escaping) { + re += '\\|' + escaping = false + continue + } + + clearStateChar() + re += '|' + continue + + // these are mostly the same in regexp and glob + case '[': + // swallow any state-tracking char before the [ + clearStateChar() + + if (inClass) { + re += '\\' + c + continue + } + + inClass = true + classStart = i + reClassStart = re.length + re += c + continue + + case ']': + // a right bracket shall lose its special + // meaning and represent itself in + // a bracket expression if it occurs + // first in the list. -- POSIX.2 2.8.3.2 + if (i === classStart + 1 || !inClass) { + re += '\\' + c + escaping = false + continue + } + + // handle the case where we left a class open. + // "[z-a]" is valid, equivalent to "\[z-a\]" + // split where the last [ was, make sure we don't have + // an invalid re. if so, re-walk the contents of the + // would-be class to re-translate any characters that + // were passed through as-is + // TODO: It would probably be faster to determine this + // without a try/catch and a new RegExp, but it's tricky + // to do safely. For now, this is safe and works. + var cs = pattern.substring(classStart + 1, i) + try { + RegExp('[' + cs + ']') + } catch (er) { + // not a valid class! + var sp = this.parse(cs, SUBPARSE) + re = re.substr(0, reClassStart) + '\\[' + sp[0] + '\\]' + hasMagic = hasMagic || sp[1] + inClass = false + continue + } + + // finish up the class. + hasMagic = true + inClass = false + re += c + continue + + default: + // swallow any state char that wasn't consumed + clearStateChar() + + if (escaping) { + // no need + escaping = false + } else if (reSpecials[c] + && !(c === '^' && inClass)) { + re += '\\' + } + + re += c + + } // switch + } // for + + // handle the case where we left a class open. + // "[abc" is valid, equivalent to "\[abc" + if (inClass) { + // split where the last [ was, and escape it + // this is a huge pita. We now have to re-walk + // the contents of the would-be class to re-translate + // any characters that were passed through as-is + cs = pattern.substr(classStart + 1) + sp = this.parse(cs, SUBPARSE) + re = re.substr(0, reClassStart) + '\\[' + sp[0] + hasMagic = hasMagic || sp[1] + } + + // handle the case where we had a +( thing at the *end* + // of the pattern. + // each pattern list stack adds 3 chars, and we need to go through + // and escape any | chars that were passed through as-is for the regexp. + // Go through and escape them, taking care not to double-escape any + // | chars that were already escaped. + for (pl = patternListStack.pop(); pl; pl = patternListStack.pop()) { + var tail = re.slice(pl.reStart + pl.open.length) + this.debug('setting tail', re, pl) + // maybe some even number of \, then maybe 1 \, followed by a | + tail = tail.replace(/((?:\\{2}){0,64})(\\?)\|/g, function (_, $1, $2) { + if (!$2) { + // the | isn't already escaped, so escape it. + $2 = '\\' + } + + // need to escape all those slashes *again*, without escaping the + // one that we need for escaping the | character. As it works out, + // escaping an even number of slashes can be done by simply repeating + // it exactly after itself. That's why this trick works. + // + // I am sorry that you have to see this. + return $1 + $1 + $2 + '|' + }) + + this.debug('tail=%j\n %s', tail, tail, pl, re) + var t = pl.type === '*' ? star + : pl.type === '?' ? qmark + : '\\' + pl.type + + hasMagic = true + re = re.slice(0, pl.reStart) + t + '\\(' + tail + } + + // handle trailing things that only matter at the very end. + clearStateChar() + if (escaping) { + // trailing \\ + re += '\\\\' + } + + // only need to apply the nodot start if the re starts with + // something that could conceivably capture a dot + var addPatternStart = false + switch (re.charAt(0)) { + case '[': case '.': case '(': addPatternStart = true + } + + // Hack to work around lack of negative lookbehind in JS + // A pattern like: *.!(x).!(y|z) needs to ensure that a name + // like 'a.xyz.yz' doesn't match. So, the first negative + // lookahead, has to look ALL the way ahead, to the end of + // the pattern. + for (var n = negativeLists.length - 1; n > -1; n--) { + var nl = negativeLists[n] + + var nlBefore = re.slice(0, nl.reStart) + var nlFirst = re.slice(nl.reStart, nl.reEnd - 8) + var nlLast = re.slice(nl.reEnd - 8, nl.reEnd) + var nlAfter = re.slice(nl.reEnd) + + nlLast += nlAfter + + // Handle nested stuff like *(*.js|!(*.json)), where open parens + // mean that we should *not* include the ) in the bit that is considered + // "after" the negated section. + var openParensBefore = nlBefore.split('(').length - 1 + var cleanAfter = nlAfter + for (i = 0; i < openParensBefore; i++) { + cleanAfter = cleanAfter.replace(/\)[+*?]?/, '') + } + nlAfter = cleanAfter + + var dollar = '' + if (nlAfter === '' && isSub !== SUBPARSE) { + dollar = '$' + } + var newRe = nlBefore + nlFirst + nlAfter + dollar + nlLast + re = newRe + } + + // if the re is not "" at this point, then we need to make sure + // it doesn't match against an empty path part. + // Otherwise a/* will match a/, which it should not. + if (re !== '' && hasMagic) { + re = '(?=.)' + re + } + + if (addPatternStart) { + re = patternStart + re + } + + // parsing just a piece of a larger pattern. + if (isSub === SUBPARSE) { + return [re, hasMagic] + } + + // skip the regexp for non-magical patterns + // unescape anything in it, though, so that it'll be + // an exact match against a file etc. + if (!hasMagic) { + return globUnescape(pattern) + } + + var flags = options.nocase ? 'i' : '' + try { + var regExp = new RegExp('^' + re + '$', flags) + } catch (er) /* istanbul ignore next - should be impossible */ { + // If it was an invalid regular expression, then it can't match + // anything. This trick looks for a character after the end of + // the string, which is of course impossible, except in multi-line + // mode, but it's not a /m regex. + return new RegExp('$.') + } + + regExp._glob = pattern + regExp._src = re + + return regExp +} + +minimatch.makeRe = function (pattern, options) { + return new Minimatch(pattern, options || {}).makeRe() +} + +Minimatch.prototype.makeRe = makeRe +function makeRe () { + if (this.regexp || this.regexp === false) return this.regexp + + // at this point, this.set is a 2d array of partial + // pattern strings, or "**". + // + // It's better to use .match(). This function shouldn't + // be used, really, but it's pretty convenient sometimes, + // when you just want to work with a regex. + var set = this.set + + if (!set.length) { + this.regexp = false + return this.regexp + } + var options = this.options + + var twoStar = options.noglobstar ? star + : options.dot ? twoStarDot + : twoStarNoDot + var flags = options.nocase ? 'i' : '' + + var re = set.map(function (pattern) { + return pattern.map(function (p) { + return (p === GLOBSTAR) ? twoStar + : (typeof p === 'string') ? regExpEscape(p) + : p._src + }).join('\\\/') + }).join('|') + + // must match entire pattern + // ending in a * or ** will make it less strict. + re = '^(?:' + re + ')$' + + // can match anything, as long as it's not this. + if (this.negate) re = '^(?!' + re + ').*$' + + try { + this.regexp = new RegExp(re, flags) + } catch (ex) /* istanbul ignore next - should be impossible */ { + this.regexp = false + } + return this.regexp +} + +minimatch.match = function (list, pattern, options) { + options = options || {} + var mm = new Minimatch(pattern, options) + list = list.filter(function (f) { + return mm.match(f) + }) + if (mm.options.nonull && !list.length) { + list.push(pattern) + } + return list +} + +Minimatch.prototype.match = function match (f, partial) { + if (typeof partial === 'undefined') partial = this.partial + this.debug('match', f, this.pattern) + // short-circuit in the case of busted things. + // comments, etc. + if (this.comment) return false + if (this.empty) return f === '' + + if (f === '/' && partial) return true + + var options = this.options + + // windows: need to use /, not \ + if (path.sep !== '/') { + f = f.split(path.sep).join('/') + } + + // treat the test path as a set of pathparts. + f = f.split(slashSplit) + this.debug(this.pattern, 'split', f) + + // just ONE of the pattern sets in this.set needs to match + // in order for it to be valid. If negating, then just one + // match means that we have failed. + // Either way, return on the first hit. + + var set = this.set + this.debug(this.pattern, 'set', set) + + // Find the basename of the path by looking for the last non-empty segment + var filename + var i + for (i = f.length - 1; i >= 0; i--) { + filename = f[i] + if (filename) break + } + + for (i = 0; i < set.length; i++) { + var pattern = set[i] + var file = f + if (options.matchBase && pattern.length === 1) { + file = [filename] + } + var hit = this.matchOne(file, pattern, partial) + if (hit) { + if (options.flipNegate) return true + return !this.negate + } + } + + // didn't get any hits. this is success if it's a negative + // pattern, failure otherwise. + if (options.flipNegate) return false + return this.negate +} + +// set partial to true to test if, for example, +// "/a/b" matches the start of "/*/b/*/d" +// Partial means, if you run out of file before you run +// out of pattern, then that's fine, as long as all +// the parts match. +Minimatch.prototype.matchOne = function (file, pattern, partial) { + var options = this.options + + this.debug('matchOne', + { 'this': this, file: file, pattern: pattern }) + + this.debug('matchOne', file.length, pattern.length) + + for (var fi = 0, + pi = 0, + fl = file.length, + pl = pattern.length + ; (fi < fl) && (pi < pl) + ; fi++, pi++) { + this.debug('matchOne loop') + var p = pattern[pi] + var f = file[fi] + + this.debug(pattern, p, f) + + // should be impossible. + // some invalid regexp stuff in the set. + /* istanbul ignore if */ + if (p === false) return false + + if (p === GLOBSTAR) { + this.debug('GLOBSTAR', [pattern, p, f]) + + // "**" + // a/**/b/**/c would match the following: + // a/b/x/y/z/c + // a/x/y/z/b/c + // a/b/x/b/x/c + // a/b/c + // To do this, take the rest of the pattern after + // the **, and see if it would match the file remainder. + // If so, return success. + // If not, the ** "swallows" a segment, and try again. + // This is recursively awful. + // + // a/**/b/**/c matching a/b/x/y/z/c + // - a matches a + // - doublestar + // - matchOne(b/x/y/z/c, b/**/c) + // - b matches b + // - doublestar + // - matchOne(x/y/z/c, c) -> no + // - matchOne(y/z/c, c) -> no + // - matchOne(z/c, c) -> no + // - matchOne(c, c) yes, hit + var fr = fi + var pr = pi + 1 + if (pr === pl) { + this.debug('** at the end') + // a ** at the end will just swallow the rest. + // We have found a match. + // however, it will not swallow /.x, unless + // options.dot is set. + // . and .. are *never* matched by **, for explosively + // exponential reasons. + for (; fi < fl; fi++) { + if (file[fi] === '.' || file[fi] === '..' || + (!options.dot && file[fi].charAt(0) === '.')) return false + } + return true + } + + // ok, let's see if we can swallow whatever we can. + while (fr < fl) { + var swallowee = file[fr] + + this.debug('\nglobstar while', file, fr, pattern, pr, swallowee) + + // XXX remove this slice. Just pass the start index. + if (this.matchOne(file.slice(fr), pattern.slice(pr), partial)) { + this.debug('globstar found match!', fr, fl, swallowee) + // found a match. + return true + } else { + // can't swallow "." or ".." ever. + // can only swallow ".foo" when explicitly asked. + if (swallowee === '.' || swallowee === '..' || + (!options.dot && swallowee.charAt(0) === '.')) { + this.debug('dot detected!', file, fr, pattern, pr) + break + } + + // ** swallows a segment, and continue. + this.debug('globstar swallow a segment, and continue') + fr++ + } + } + + // no match was found. + // However, in partial mode, we can't say this is necessarily over. + // If there's more *pattern* left, then + /* istanbul ignore if */ + if (partial) { + // ran out of file + this.debug('\n>>> no match, partial?', file, fr, pattern, pr) + if (fr === fl) return true + } + return false + } + + // something other than ** + // non-magic patterns just have to match exactly + // patterns with magic have been turned into regexps. + var hit + if (typeof p === 'string') { + hit = f === p + this.debug('string match', p, f, hit) + } else { + hit = f.match(p) + this.debug('pattern match', p, f, hit) + } + + if (!hit) return false + } + + // Note: ending in / means that we'll get a final "" + // at the end of the pattern. This can only match a + // corresponding "" at the end of the file. + // If the file ends in /, then it can only match a + // a pattern that ends in /, unless the pattern just + // doesn't have any more for it. But, a/b/ should *not* + // match "a/b/*", even though "" matches against the + // [^/]*? pattern, except in partial mode, where it might + // simply not be reached yet. + // However, a/b/ should still satisfy a/* + + // now either we fell off the end of the pattern, or we're done. + if (fi === fl && pi === pl) { + // ran out of pattern and filename at the same time. + // an exact hit! + return true + } else if (fi === fl) { + // ran out of file, but still had pattern left. + // this is ok if we're doing the match as part of + // a glob fs traversal. + return partial + } else /* istanbul ignore else */ if (pi === pl) { + // ran out of pattern, still have file left. + // this is only acceptable if we're on the very last + // empty segment of a file with a trailing slash. + // a/* should match a/b/ + return (fi === fl - 1) && (file[fi] === '') + } + + // should be unreachable. + /* istanbul ignore next */ + throw new Error('wtf?') +} + +// replace stuff like \* with * +function globUnescape (s) { + return s.replace(/\\(.)/g, '$1') +} + +function regExpEscape (s) { + return s.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&') +} diff --git a/module/node_modules/minimatch/package.json b/module/node_modules/minimatch/package.json new file mode 100644 index 000000000..566efdfe4 --- /dev/null +++ b/module/node_modules/minimatch/package.json @@ -0,0 +1,33 @@ +{ + "author": "Isaac Z. Schlueter (http://blog.izs.me)", + "name": "minimatch", + "description": "a glob matcher in javascript", + "version": "3.1.2", + "publishConfig": { + "tag": "v3-legacy" + }, + "repository": { + "type": "git", + "url": "git://github.com/isaacs/minimatch.git" + }, + "main": "minimatch.js", + "scripts": { + "test": "tap", + "preversion": "npm test", + "postversion": "npm publish", + "postpublish": "git push origin --all; git push origin --tags" + }, + "engines": { + "node": "*" + }, + "dependencies": { + "brace-expansion": "^1.1.7" + }, + "devDependencies": { + "tap": "^15.1.6" + }, + "license": "ISC", + "files": [ + "minimatch.js" + ] +} diff --git a/module/node_modules/ms/index.js b/module/node_modules/ms/index.js new file mode 100644 index 000000000..ea734fb73 --- /dev/null +++ b/module/node_modules/ms/index.js @@ -0,0 +1,162 @@ +/** + * Helpers. + */ + +var s = 1000; +var m = s * 60; +var h = m * 60; +var d = h * 24; +var w = d * 7; +var y = d * 365.25; + +/** + * Parse or format the given `val`. + * + * Options: + * + * - `long` verbose formatting [false] + * + * @param {String|Number} val + * @param {Object} [options] + * @throws {Error} throw an error if val is not a non-empty string or a number + * @return {String|Number} + * @api public + */ + +module.exports = function (val, options) { + options = options || {}; + var type = typeof val; + if (type === 'string' && val.length > 0) { + return parse(val); + } else if (type === 'number' && isFinite(val)) { + return options.long ? fmtLong(val) : fmtShort(val); + } + throw new Error( + 'val is not a non-empty string or a valid number. val=' + + JSON.stringify(val) + ); +}; + +/** + * Parse the given `str` and return milliseconds. + * + * @param {String} str + * @return {Number} + * @api private + */ + +function parse(str) { + str = String(str); + if (str.length > 100) { + return; + } + var match = /^(-?(?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|weeks?|w|years?|yrs?|y)?$/i.exec( + str + ); + if (!match) { + return; + } + var n = parseFloat(match[1]); + var type = (match[2] || 'ms').toLowerCase(); + switch (type) { + case 'years': + case 'year': + case 'yrs': + case 'yr': + case 'y': + return n * y; + case 'weeks': + case 'week': + case 'w': + return n * w; + case 'days': + case 'day': + case 'd': + return n * d; + case 'hours': + case 'hour': + case 'hrs': + case 'hr': + case 'h': + return n * h; + case 'minutes': + case 'minute': + case 'mins': + case 'min': + case 'm': + return n * m; + case 'seconds': + case 'second': + case 'secs': + case 'sec': + case 's': + return n * s; + case 'milliseconds': + case 'millisecond': + case 'msecs': + case 'msec': + case 'ms': + return n; + default: + return undefined; + } +} + +/** + * Short format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + +function fmtShort(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d) { + return Math.round(ms / d) + 'd'; + } + if (msAbs >= h) { + return Math.round(ms / h) + 'h'; + } + if (msAbs >= m) { + return Math.round(ms / m) + 'm'; + } + if (msAbs >= s) { + return Math.round(ms / s) + 's'; + } + return ms + 'ms'; +} + +/** + * Long format for `ms`. + * + * @param {Number} ms + * @return {String} + * @api private + */ + +function fmtLong(ms) { + var msAbs = Math.abs(ms); + if (msAbs >= d) { + return plural(ms, msAbs, d, 'day'); + } + if (msAbs >= h) { + return plural(ms, msAbs, h, 'hour'); + } + if (msAbs >= m) { + return plural(ms, msAbs, m, 'minute'); + } + if (msAbs >= s) { + return plural(ms, msAbs, s, 'second'); + } + return ms + ' ms'; +} + +/** + * Pluralization helper. + */ + +function plural(ms, msAbs, n, name) { + var isPlural = msAbs >= n * 1.5; + return Math.round(ms / n) + ' ' + name + (isPlural ? 's' : ''); +} diff --git a/module/node_modules/ms/license.md b/module/node_modules/ms/license.md new file mode 100644 index 000000000..fa5d39b62 --- /dev/null +++ b/module/node_modules/ms/license.md @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2020 Vercel, Inc. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/module/node_modules/ms/package.json b/module/node_modules/ms/package.json new file mode 100644 index 000000000..49971890d --- /dev/null +++ b/module/node_modules/ms/package.json @@ -0,0 +1,38 @@ +{ + "name": "ms", + "version": "2.1.3", + "description": "Tiny millisecond conversion utility", + "repository": "vercel/ms", + "main": "./index", + "files": [ + "index.js" + ], + "scripts": { + "precommit": "lint-staged", + "lint": "eslint lib/* bin/*", + "test": "mocha tests.js" + }, + "eslintConfig": { + "extends": "eslint:recommended", + "env": { + "node": true, + "es6": true + } + }, + "lint-staged": { + "*.js": [ + "npm run lint", + "prettier --single-quote --write", + "git add" + ] + }, + "license": "MIT", + "devDependencies": { + "eslint": "4.18.2", + "expect.js": "0.3.1", + "husky": "0.14.3", + "lint-staged": "5.0.0", + "mocha": "4.0.1", + "prettier": "2.0.5" + } +} diff --git a/module/node_modules/ms/readme.md b/module/node_modules/ms/readme.md new file mode 100644 index 000000000..0fc1abb3b --- /dev/null +++ b/module/node_modules/ms/readme.md @@ -0,0 +1,59 @@ +# ms + +![CI](https://github.com/vercel/ms/workflows/CI/badge.svg) + +Use this package to easily convert various time formats to milliseconds. + +## Examples + +```js +ms('2 days') // 172800000 +ms('1d') // 86400000 +ms('10h') // 36000000 +ms('2.5 hrs') // 9000000 +ms('2h') // 7200000 +ms('1m') // 60000 +ms('5s') // 5000 +ms('1y') // 31557600000 +ms('100') // 100 +ms('-3 days') // -259200000 +ms('-1h') // -3600000 +ms('-200') // -200 +``` + +### Convert from Milliseconds + +```js +ms(60000) // "1m" +ms(2 * 60000) // "2m" +ms(-3 * 60000) // "-3m" +ms(ms('10 hours')) // "10h" +``` + +### Time Format Written-Out + +```js +ms(60000, { long: true }) // "1 minute" +ms(2 * 60000, { long: true }) // "2 minutes" +ms(-3 * 60000, { long: true }) // "-3 minutes" +ms(ms('10 hours'), { long: true }) // "10 hours" +``` + +## Features + +- Works both in [Node.js](https://nodejs.org) and in the browser +- If a number is supplied to `ms`, a string with a unit is returned +- If a string that contains the number is supplied, it returns it as a number (e.g.: it returns `100` for `'100'`) +- If you pass a string with a number and a valid unit, the number of equivalent milliseconds is returned + +## Related Packages + +- [ms.macro](https://github.com/knpwrs/ms.macro) - Run `ms` as a macro at build-time. + +## Caught a Bug? + +1. [Fork](https://help.github.com/articles/fork-a-repo/) this repository to your own GitHub account and then [clone](https://help.github.com/articles/cloning-a-repository/) it to your local device +2. Link the package to the global module directory: `npm link` +3. Within the module you want to test your local development instance of ms, just link it to the dependencies: `npm link ms`. Instead of the default one from npm, Node.js will now use your clone of ms! + +As always, you can run the tests using: `npm test` diff --git a/module/node_modules/natural-compare/README.md b/module/node_modules/natural-compare/README.md new file mode 100644 index 000000000..c85dfdf98 --- /dev/null +++ b/module/node_modules/natural-compare/README.md @@ -0,0 +1,125 @@ + +[Build]: http://img.shields.io/travis/litejs/natural-compare-lite.png +[Coverage]: http://img.shields.io/coveralls/litejs/natural-compare-lite.png +[1]: https://travis-ci.org/litejs/natural-compare-lite +[2]: https://coveralls.io/r/litejs/natural-compare-lite +[npm package]: https://npmjs.org/package/natural-compare-lite +[GitHub repo]: https://github.com/litejs/natural-compare-lite + + + + @version 1.4.0 + @date 2015-10-26 + @stability 3 - Stable + + +Natural Compare – [![Build][]][1] [![Coverage][]][2] +=============== + +Compare strings containing a mix of letters and numbers +in the way a human being would in sort order. +This is described as a "natural ordering". + +```text +Standard sorting: Natural order sorting: + img1.png img1.png + img10.png img2.png + img12.png img10.png + img2.png img12.png +``` + +String.naturalCompare returns a number indicating +whether a reference string comes before or after or is the same +as the given string in sort order. +Use it with builtin sort() function. + + + +### Installation + +- In browser + +```html + +``` + +- In node.js: `npm install natural-compare-lite` + +```javascript +require("natural-compare-lite") +``` + +### Usage + +```javascript +// Simple case sensitive example +var a = ["z1.doc", "z10.doc", "z17.doc", "z2.doc", "z23.doc", "z3.doc"]; +a.sort(String.naturalCompare); +// ["z1.doc", "z2.doc", "z3.doc", "z10.doc", "z17.doc", "z23.doc"] + +// Use wrapper function for case insensitivity +a.sort(function(a, b){ + return String.naturalCompare(a.toLowerCase(), b.toLowerCase()); +}) + +// In most cases we want to sort an array of objects +var a = [ {"street":"350 5th Ave", "room":"A-1021"} + , {"street":"350 5th Ave", "room":"A-21046-b"} ]; + +// sort by street, then by room +a.sort(function(a, b){ + return String.naturalCompare(a.street, b.street) || String.naturalCompare(a.room, b.room); +}) + +// When text transformation is needed (eg toLowerCase()), +// it is best for performance to keep +// transformed key in that object. +// There are no need to do text transformation +// on each comparision when sorting. +var a = [ {"make":"Audi", "model":"A6"} + , {"make":"Kia", "model":"Rio"} ]; + +// sort by make, then by model +a.map(function(car){ + car.sort_key = (car.make + " " + car.model).toLowerCase(); +}) +a.sort(function(a, b){ + return String.naturalCompare(a.sort_key, b.sort_key); +}) +``` + +- Works well with dates in ISO format eg "Rev 2012-07-26.doc". + + +### Custom alphabet + +It is possible to configure a custom alphabet +to achieve a desired order. + +```javascript +// Estonian alphabet +String.alphabet = "ABDEFGHIJKLMNOPRSŠZŽTUVÕÄÖÜXYabdefghijklmnoprsšzžtuvõäöüxy" +["t", "z", "x", "õ"].sort(String.naturalCompare) +// ["z", "t", "õ", "x"] + +// Russian alphabet +String.alphabet = "АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдеёжзийклмнопрстуфхцчшщъыьэюя" +["Ё", "А", "Б"].sort(String.naturalCompare) +// ["А", "Б", "Ё"] +``` + + +External links +-------------- + +- [GitHub repo][https://github.com/litejs/natural-compare-lite] +- [jsperf test](http://jsperf.com/natural-sort-2/12) + + +Licence +------- + +Copyright (c) 2012-2015 Lauri Rooden <lauri@rooden.ee> +[The MIT License](http://lauri.rooden.ee/mit-license.txt) + + diff --git a/module/node_modules/natural-compare/index.js b/module/node_modules/natural-compare/index.js new file mode 100644 index 000000000..e705d49f5 --- /dev/null +++ b/module/node_modules/natural-compare/index.js @@ -0,0 +1,57 @@ + + + +/* + * @version 1.4.0 + * @date 2015-10-26 + * @stability 3 - Stable + * @author Lauri Rooden (https://github.com/litejs/natural-compare-lite) + * @license MIT License + */ + + +var naturalCompare = function(a, b) { + var i, codeA + , codeB = 1 + , posA = 0 + , posB = 0 + , alphabet = String.alphabet + + function getCode(str, pos, code) { + if (code) { + for (i = pos; code = getCode(str, i), code < 76 && code > 65;) ++i; + return +str.slice(pos - 1, i) + } + code = alphabet && alphabet.indexOf(str.charAt(pos)) + return code > -1 ? code + 76 : ((code = str.charCodeAt(pos) || 0), code < 45 || code > 127) ? code + : code < 46 ? 65 // - + : code < 48 ? code - 1 + : code < 58 ? code + 18 // 0-9 + : code < 65 ? code - 11 + : code < 91 ? code + 11 // A-Z + : code < 97 ? code - 37 + : code < 123 ? code + 5 // a-z + : code - 63 + } + + + if ((a+="") != (b+="")) for (;codeB;) { + codeA = getCode(a, posA++) + codeB = getCode(b, posB++) + + if (codeA < 76 && codeB < 76 && codeA > 66 && codeB > 66) { + codeA = getCode(a, posA, posA) + codeB = getCode(b, posB, posA = i) + posB = i + } + + if (codeA != codeB) return (codeA < codeB) ? -1 : 1 + } + return 0 +} + +try { + module.exports = naturalCompare; +} catch (e) { + String.naturalCompare = naturalCompare; +} diff --git a/module/node_modules/natural-compare/package.json b/module/node_modules/natural-compare/package.json new file mode 100644 index 000000000..1a71362ee --- /dev/null +++ b/module/node_modules/natural-compare/package.json @@ -0,0 +1,42 @@ +{ + "name": "natural-compare", + "version": "1.4.0", + "stability": 3, + "author": "Lauri Rooden (https://github.com/litejs/natural-compare-lite)", + "license": "MIT", + "description": "Compare strings containing a mix of letters and numbers in the way a human being would in sort order.", + "keywords": [ + "string", + "natural", + "order", + "sort", + "natsort", + "natcmp", + "compare", + "alphanum", + "litejs" + ], + "main": "index.js", + "readmeFilename": "README.md", + "files": [ + "index.js" + ], + "scripts": { + "build": "node node_modules/buildman/index.js --all", + "test": "node tests/index.js" + }, + "repository": "git://github.com/litejs/natural-compare-lite.git", + "bugs": { + "url": "https://github.com/litejs/natural-compare-lite/issues" + }, + "devDependencies": { + "buildman": "*", + "testman": "*" + }, + "buildman": { + "dist/index-min.js": { + "banner": "/*! litejs.com/MIT-LICENSE.txt */", + "input": "index.js" + } + } +} diff --git a/module/node_modules/optionator/CHANGELOG.md b/module/node_modules/optionator/CHANGELOG.md new file mode 100644 index 000000000..2928cc2ce --- /dev/null +++ b/module/node_modules/optionator/CHANGELOG.md @@ -0,0 +1,59 @@ +# 0.9.0 +- update dependencies, in particular `levn` and `type-check` - this could affect behaviour of argument parsing + +# 0.8.3 +- changes dependency from `wordwrap` to `word-wrap` due to license issue +- update dependencies + +# 0.8.2 +- fix bug #18 - detect missing value when flag is last item +- update dependencies + +# 0.8.1 +- update `fast-levenshtein` dependency + +# 0.8.0 +- update `levn` dependency - supplying a float value to an option with type `Int` now throws an error, instead of silently converting to an `Int` + +# 0.7.1 +- fix bug with use of `defaults` and `concatRepeatedArrays` or `mergeRepeatedObjects` + +# 0.7.0 +- added `concatrepeatedarrays` option: `oneValuePerFlag`, only allows one array value per flag +- added `typeAliases` option +- added `parseArgv` which takes an array and parses with the first two items sliced off +- changed enum help style +- bug fixes (#12) +- use of `concatRepeatedArrays` and `mergeRepeatedObjects` at the top level is deprecated, use it as either a per-option option, or set them in the `defaults` object to set them for all objects + +# 0.6.0 +- added `defaults` lib-option flag, allowing one to set default properties for all options +- added `concatRepeatedArrays` and `mergeRepeatedObjects` as option level properties, allowing you to turn this feature on for specific options only + +# 0.5.0 +- `Boolean` flags with `default: 'true'`, and no short aliases, will by default show the `--no` version in help + +# 0.4.0 +- add `mergeRepeatedObjects` setting + +# 0.3.0 +- add `concatRepeatedArrays` setting +- add `overrideRequired` option setting +- use just Levenshtein string compare algo rather than Levenshtein Damerau to due dependency license issue + +# 0.2.2 +- bug fixes + +# 0.2.1 +- improved interpolation +- added changelog + +# 0.2.0 +- add dependency checks to options - added `dependsOn` as an option property +- add interpolation for `prepend` and `append` text with new `generateHelp` option, `interpolate` + +# 0.1.1 +- update dependencies + +# 0.1.0 +- initial release diff --git a/module/node_modules/optionator/LICENSE b/module/node_modules/optionator/LICENSE new file mode 100644 index 000000000..525b11850 --- /dev/null +++ b/module/node_modules/optionator/LICENSE @@ -0,0 +1,22 @@ +Copyright (c) George Zahariev + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/optionator/README.md b/module/node_modules/optionator/README.md new file mode 100644 index 000000000..9cd0bb43e --- /dev/null +++ b/module/node_modules/optionator/README.md @@ -0,0 +1,238 @@ +# Optionator + + +Optionator is a JavaScript/Node.js option parsing and help generation library used by [eslint](http://eslint.org), [Grasp](http://graspjs.com), [LiveScript](http://livescript.net), [esmangle](https://github.com/estools/esmangle), [escodegen](https://github.com/estools/escodegen), and [many more](https://www.npmjs.com/browse/depended/optionator). + +For an online demo, check out the [Grasp online demo](http://www.graspjs.com/#demo). + +[About](#about) · [Usage](#usage) · [Settings Format](#settings-format) · [Argument Format](#argument-format) + +## Why? +The problem with other option parsers, such as `yargs` or `minimist`, is they just accept all input, valid or not. +With Optionator, if you mistype an option, it will give you an error (with a suggestion for what you meant). +If you give the wrong type of argument for an option, it will give you an error rather than supplying the wrong input to your application. + + $ cmd --halp + Invalid option '--halp' - perhaps you meant '--help'? + + $ cmd --count str + Invalid value for option 'count' - expected type Int, received value: str. + +Other helpful features include reformatting the help text based on the size of the console, so that it fits even if the console is narrow, and accepting not just an array (eg. process.argv), but a string or object as well, making things like testing much easier. + +## About +Optionator uses [type-check](https://github.com/gkz/type-check) and [levn](https://github.com/gkz/levn) behind the scenes to cast and verify input according the specified types. + +MIT license. Version 0.9.4 + + npm install optionator + +For updates on Optionator, [follow me on twitter](https://twitter.com/gkzahariev). + +Optionator is a Node.js module, but can be used in the browser as well if packed with webpack/browserify. + +## Usage +`require('optionator');` returns a function. It has one property, `VERSION`, the current version of the library as a string. This function is called with an object specifying your options and other information, see the [settings format section](#settings-format). This in turn returns an object with three properties, `parse`, `parseArgv`, `generateHelp`, and `generateHelpForOption`, which are all functions. + +```js +var optionator = require('optionator')({ + prepend: 'Usage: cmd [options]', + append: 'Version 1.0.0', + options: [{ + option: 'help', + alias: 'h', + type: 'Boolean', + description: 'displays help' + }, { + option: 'count', + alias: 'c', + type: 'Int', + description: 'number of things', + example: 'cmd --count 2' + }] +}); + +var options = optionator.parseArgv(process.argv); +if (options.help) { + console.log(optionator.generateHelp()); +} +... +``` + +### parse(input, parseOptions) +`parse` processes the `input` according to your settings, and returns an object with the results. + +##### arguments +* input - `[String] | Object | String` - the input you wish to parse +* parseOptions - `{slice: Int}` - all options optional + - `slice` specifies how much to slice away from the beginning if the input is an array or string - by default `0` for string, `2` for array (works with `process.argv`) + +##### returns +`Object` - the parsed options, each key is a camelCase version of the option name (specified in dash-case), and each value is the processed value for that option. Positional values are in an array under the `_` key. + +##### example +```js +parse(['node', 't.js', '--count', '2', 'positional']); // {count: 2, _: ['positional']} +parse('--count 2 positional'); // {count: 2, _: ['positional']} +parse({count: 2, _:['positional']}); // {count: 2, _: ['positional']} +``` + +### parseArgv(input) +`parseArgv` works exactly like `parse`, but only for array input and it slices off the first two elements. + +##### arguments +* input - `[String]` - the input you wish to parse + +##### returns +See "returns" section in "parse" + +##### example +```js +parseArgv(process.argv); +``` + +### generateHelp(helpOptions) +`generateHelp` produces help text based on your settings. + +##### arguments +* helpOptions - `{showHidden: Boolean, interpolate: Object}` - all options optional + - `showHidden` specifies whether to show options with `hidden: true` specified, by default it is `false` + - `interpolate` specify data to be interpolated in `prepend` and `append` text, `{{key}}` is the format - eg. `generateHelp({interpolate:{version: '0.4.2'}})`, will change this `append` text: `Version {{version}}` to `Version 0.4.2` + +##### returns +`String` - the generated help text + +##### example +```js +generateHelp(); /* +"Usage: cmd [options] positional + + -h, --help displays help + -c, --count Int number of things + +Version 1.0.0 +"*/ +``` + +### generateHelpForOption(optionName) +`generateHelpForOption` produces expanded help text for the specified with `optionName` option. If an `example` was specified for the option, it will be displayed, and if a `longDescription` was specified, it will display that instead of the `description`. + +##### arguments +* optionName - `String` - the name of the option to display + +##### returns +`String` - the generated help text for the option + +##### example +```js +generateHelpForOption('count'); /* +"-c, --count Int +description: number of things +example: cmd --count 2 +"*/ +``` + +## Settings Format +When your `require('optionator')`, you get a function that takes in a settings object. This object has the type: + + { + prepend: String, + append: String, + options: [{heading: String} | { + option: String, + alias: [String] | String, + type: String, + enum: [String], + default: String, + restPositional: Boolean, + required: Boolean, + overrideRequired: Boolean, + dependsOn: [String] | String, + concatRepeatedArrays: Boolean | (Boolean, Object), + mergeRepeatedObjects: Boolean, + description: String, + longDescription: String, + example: [String] | String + }], + helpStyle: { + aliasSeparator: String, + typeSeparator: String, + descriptionSeparator: String, + initialIndent: Int, + secondaryIndent: Int, + maxPadFactor: Number + }, + mutuallyExclusive: [[String | [String]]], + concatRepeatedArrays: Boolean | (Boolean, Object), // deprecated, set in defaults object + mergeRepeatedObjects: Boolean, // deprecated, set in defaults object + positionalAnywhere: Boolean, + typeAliases: Object, + defaults: Object + } + +All of the properties are optional (the `Maybe` has been excluded for brevities sake), except for having either `heading: String` or `option: String` in each object in the `options` array. + +### Top Level Properties +* `prepend` is an optional string to be placed before the options in the help text +* `append` is an optional string to be placed after the options in the help text +* `options` is a required array specifying your options and headings, the options and headings will be displayed in the order specified +* `helpStyle` is an optional object which enables you to change the default appearance of some aspects of the help text +* `mutuallyExclusive` is an optional array of arrays of either strings or arrays of strings. The top level array is a list of rules, each rule is a list of elements - each element can be either a string (the name of an option), or a list of strings (a group of option names) - there will be an error if more than one element is present +* `concatRepeatedArrays` see description under the "Option Properties" heading - use at the top level is deprecated, if you want to set this for all options, use the `defaults` property +* `mergeRepeatedObjects` see description under the "Option Properties" heading - use at the top level is deprecated, if you want to set this for all options, use the `defaults` property +* `positionalAnywhere` is an optional boolean (defaults to `true`) - when `true` it allows positional arguments anywhere, when `false`, all arguments after the first positional one are taken to be positional as well, even if they look like a flag. For example, with `positionalAnywhere: false`, the arguments `--flag --boom 12 --crack` would have two positional arguments: `12` and `--crack` +* `typeAliases` is an optional object, it allows you to set aliases for types, eg. `{Path: 'String'}` would allow you to use the type `Path` as an alias for the type `String` +* `defaults` is an optional object following the option properties format, which specifies default values for all options. A default will be overridden if manually set. For example, you can do `default: { type: "String" }` to set the default type of all options to `String`, and then override that default in an individual option by setting the `type` property + +#### Heading Properties +* `heading` a required string, the name of the heading + +#### Option Properties +* `option` the required name of the option - use dash-case, without the leading dashes +* `alias` is an optional string or array of strings which specify any aliases for the option +* `type` is a required string in the [type check](https://github.com/gkz/type-check) [format](https://github.com/gkz/type-check#type-format), this will be used to cast the inputted value and validate it +* `enum` is an optional array of strings, each string will be parsed by [levn](https://github.com/gkz/levn) - the argument value must be one of the resulting values - each potential value must validate against the specified `type` +* `default` is a optional string, which will be parsed by [levn](https://github.com/gkz/levn) and used as the default value if none is set - the value must validate against the specified `type` +* `restPositional` is an optional boolean - if set to `true`, everything after the option will be taken to be a positional argument, even if it looks like a named argument +* `required` is an optional boolean - if set to `true`, the option parsing will fail if the option is not defined +* `overrideRequired` is a optional boolean - if set to `true` and the option is used, and there is another option which is required but not set, it will override the need for the required option and there will be no error - this is useful if you have required options and want to use `--help` or `--version` flags +* `concatRepeatedArrays` is an optional boolean or tuple with boolean and options object (defaults to `false`) - when set to `true` and an option contains an array value and is repeated, the subsequent values for the flag will be appended rather than overwriting the original value - eg. option `g` of type `[String]`: `-g a -g b -g c,d` will result in `['a','b','c','d']` + + You can supply an options object by giving the following value: `[true, options]`. The one currently supported option is `oneValuePerFlag`, this only allows one array value per flag. This is useful if your potential values contain a comma. +* `mergeRepeatedObjects` is an optional boolean (defaults to `false`) - when set to `true` and an option contains an object value and is repeated, the subsequent values for the flag will be merged rather than overwriting the original value - eg. option `g` of type `Object`: `-g a:1 -g b:2 -g c:3,d:4` will result in `{a: 1, b: 2, c: 3, d: 4}` +* `dependsOn` is an optional string or array of strings - if simply a string (the name of another option), it will make sure that that other option is set, if an array of strings, depending on whether `'and'` or `'or'` is first, it will either check whether all (`['and', 'option-a', 'option-b']`), or at least one (`['or', 'option-a', 'option-b']`) other options are set +* `description` is an optional string, which will be displayed next to the option in the help text +* `longDescription` is an optional string, it will be displayed instead of the `description` when `generateHelpForOption` is used +* `example` is an optional string or array of strings with example(s) for the option - these will be displayed when `generateHelpForOption` is used + +#### Help Style Properties +* `aliasSeparator` is an optional string, separates multiple names from each other - default: ' ,' +* `typeSeparator` is an optional string, separates the type from the names - default: ' ' +* `descriptionSeparator` is an optional string , separates the description from the padded name and type - default: ' ' +* `initialIndent` is an optional int - the amount of indent for options - default: 2 +* `secondaryIndent` is an optional int - the amount of indent if wrapped fully (in addition to the initial indent) - default: 4 +* `maxPadFactor` is an optional number - affects the default level of padding for the names/type, it is multiplied by the average of the length of the names/type - default: 1.5 + +## Argument Format +At the highest level there are two types of arguments: named, and positional. + +Name arguments of any length are prefixed with `--` (eg. `--go`), and those of one character may be prefixed with either `--` or `-` (eg. `-g`). + +There are two types of named arguments: boolean flags (eg. `--problemo`, `-p`) which take no value and result in a `true` if they are present, the falsey `undefined` if they are not present, or `false` if present and explicitly prefixed with `no` (eg. `--no-problemo`). Named arguments with values (eg. `--tseries 800`, `-t 800`) are the other type. If the option has a type `Boolean` it will automatically be made into a boolean flag. Any other type results in a named argument that takes a value. + +For more information about how to properly set types to get the value you want, take a look at the [type check](https://github.com/gkz/type-check) and [levn](https://github.com/gkz/levn) pages. + +You can group single character arguments that use a single `-`, however all except the last must be boolean flags (which take no value). The last may be a boolean flag, or an argument which takes a value - eg. `-ba 2` is equivalent to `-b -a 2`. + +Positional arguments are all those values which do not fall under the above - they can be anywhere, not just at the end. For example, in `cmd -b one -a 2 two` where `b` is a boolean flag, and `a` has the type `Number`, there are two positional arguments, `one` and `two`. + +Everything after an `--` is positional, even if it looks like a named argument. + +You may optionally use `=` to separate option names from values, for example: `--count=2`. + +If you specify the option `NUM`, then any argument using a single `-` followed by a number will be valid and will set the value of `NUM`. Eg. `-2` will be parsed into `NUM: 2`. + +If duplicate named arguments are present, the last one will be taken. + +## Technical About +`optionator` is written in [LiveScript](http://livescript.net/) - a language that compiles to JavaScript. It uses [levn](https://github.com/gkz/levn) to cast arguments to their specified type, and uses [type-check](https://github.com/gkz/type-check) to validate values. It also uses the [prelude.ls](http://preludels.com/) library. diff --git a/module/node_modules/optionator/lib/help.js b/module/node_modules/optionator/lib/help.js new file mode 100644 index 000000000..59e6f9694 --- /dev/null +++ b/module/node_modules/optionator/lib/help.js @@ -0,0 +1,260 @@ +// Generated by LiveScript 1.6.0 +(function(){ + var ref$, id, find, sort, min, max, map, unlines, nameToRaw, dasherize, naturalJoin, wordWrap, wordwrap, getPreText, setHelpStyleDefaults, generateHelpForOption, generateHelp; + ref$ = require('prelude-ls'), id = ref$.id, find = ref$.find, sort = ref$.sort, min = ref$.min, max = ref$.max, map = ref$.map, unlines = ref$.unlines; + ref$ = require('./util'), nameToRaw = ref$.nameToRaw, dasherize = ref$.dasherize, naturalJoin = ref$.naturalJoin; + wordWrap = require('word-wrap'); + wordwrap = function(a, b){ + var ref$, indent, width; + ref$ = b === undefined + ? ['', a - 1] + : [repeatString$(' ', a), b - a - 1], indent = ref$[0], width = ref$[1]; + return function(text){ + return wordWrap(text, { + indent: indent, + width: width, + trim: true + }); + }; + }; + getPreText = function(option, arg$, maxWidth){ + var mainName, shortNames, ref$, longNames, type, description, aliasSeparator, typeSeparator, initialIndent, names, namesString, namesStringLen, typeSeparatorString, typeSeparatorStringLen, wrap; + mainName = option.option, shortNames = (ref$ = option.shortNames) != null + ? ref$ + : [], longNames = (ref$ = option.longNames) != null + ? ref$ + : [], type = option.type, description = option.description; + aliasSeparator = arg$.aliasSeparator, typeSeparator = arg$.typeSeparator, initialIndent = arg$.initialIndent; + if (option.negateName) { + mainName = "no-" + mainName; + if (longNames) { + longNames = map(function(it){ + return "no-" + it; + }, longNames); + } + } + names = mainName.length === 1 + ? [mainName].concat(shortNames, longNames) + : shortNames.concat([mainName], longNames); + namesString = map(nameToRaw, names).join(aliasSeparator); + namesStringLen = namesString.length; + typeSeparatorString = mainName === 'NUM' ? '::' : typeSeparator; + typeSeparatorStringLen = typeSeparatorString.length; + if (maxWidth != null && !option.boolean && initialIndent + namesStringLen + typeSeparatorStringLen + type.length > maxWidth) { + wrap = wordwrap(initialIndent + namesStringLen + typeSeparatorStringLen, maxWidth); + return namesString + "" + typeSeparatorString + wrap(type).replace(/^\s+/, ''); + } else { + return namesString + "" + (option.boolean + ? '' + : typeSeparatorString + "" + type); + } + }; + setHelpStyleDefaults = function(helpStyle){ + helpStyle.aliasSeparator == null && (helpStyle.aliasSeparator = ', '); + helpStyle.typeSeparator == null && (helpStyle.typeSeparator = ' '); + helpStyle.descriptionSeparator == null && (helpStyle.descriptionSeparator = ' '); + helpStyle.initialIndent == null && (helpStyle.initialIndent = 2); + helpStyle.secondaryIndent == null && (helpStyle.secondaryIndent = 4); + helpStyle.maxPadFactor == null && (helpStyle.maxPadFactor = 1.5); + }; + generateHelpForOption = function(getOption, arg$){ + var stdout, helpStyle, ref$; + stdout = arg$.stdout, helpStyle = (ref$ = arg$.helpStyle) != null + ? ref$ + : {}; + setHelpStyleDefaults(helpStyle); + return function(optionName){ + var maxWidth, wrap, option, e, pre, defaultString, restPositionalString, description, fullDescription, that, preDescription, descriptionString, exampleString, examples, seperator; + maxWidth = stdout != null && stdout.isTTY ? stdout.columns - 1 : null; + wrap = maxWidth ? wordwrap(maxWidth) : id; + try { + option = getOption(dasherize(optionName)); + } catch (e$) { + e = e$; + return e.message; + } + pre = getPreText(option, helpStyle); + defaultString = option['default'] && !option.negateName ? "\ndefault: " + option['default'] : ''; + restPositionalString = option.restPositional ? 'Everything after this option is considered a positional argument, even if it looks like an option.' : ''; + description = option.longDescription || option.description && sentencize(option.description); + fullDescription = description && restPositionalString + ? description + " " + restPositionalString + : (that = description || restPositionalString) ? that : ''; + preDescription = 'description:'; + descriptionString = !fullDescription + ? '' + : maxWidth && fullDescription.length - 1 - preDescription.length > maxWidth + ? "\n" + preDescription + "\n" + wrap(fullDescription) + : "\n" + preDescription + " " + fullDescription; + exampleString = (that = option.example) ? (examples = [].concat(that), examples.length > 1 + ? "\nexamples:\n" + unlines(examples) + : "\nexample: " + examples[0]) : ''; + seperator = defaultString || descriptionString || exampleString ? "\n" + repeatString$('=', pre.length) : ''; + return pre + "" + seperator + defaultString + descriptionString + exampleString; + }; + }; + generateHelp = function(arg$){ + var options, prepend, append, helpStyle, ref$, stdout, aliasSeparator, typeSeparator, descriptionSeparator, maxPadFactor, initialIndent, secondaryIndent; + options = arg$.options, prepend = arg$.prepend, append = arg$.append, helpStyle = (ref$ = arg$.helpStyle) != null + ? ref$ + : {}, stdout = arg$.stdout; + setHelpStyleDefaults(helpStyle); + aliasSeparator = helpStyle.aliasSeparator, typeSeparator = helpStyle.typeSeparator, descriptionSeparator = helpStyle.descriptionSeparator, maxPadFactor = helpStyle.maxPadFactor, initialIndent = helpStyle.initialIndent, secondaryIndent = helpStyle.secondaryIndent; + return function(arg$){ + var ref$, showHidden, interpolate, maxWidth, output, out, data, optionCount, totalPreLen, preLens, i$, len$, item, that, pre, descParts, desc, preLen, sortedPreLens, maxPreLen, preLenMean, x, padAmount, descSepLen, fullWrapCount, partialWrapCount, descLen, totalLen, initialSpace, wrapAllFull, i, wrap; + ref$ = arg$ != null + ? arg$ + : {}, showHidden = ref$.showHidden, interpolate = ref$.interpolate; + maxWidth = stdout != null && stdout.isTTY ? stdout.columns - 1 : null; + output = []; + out = function(it){ + return output.push(it != null ? it : ''); + }; + if (prepend) { + out(interpolate ? interp(prepend, interpolate) : prepend); + out(); + } + data = []; + optionCount = 0; + totalPreLen = 0; + preLens = []; + for (i$ = 0, len$ = (ref$ = options).length; i$ < len$; ++i$) { + item = ref$[i$]; + if (showHidden || !item.hidden) { + if (that = item.heading) { + data.push({ + type: 'heading', + value: that + }); + } else { + pre = getPreText(item, helpStyle, maxWidth); + descParts = []; + if ((that = item.description) != null) { + descParts.push(that); + } + if (that = item['enum']) { + descParts.push("either: " + naturalJoin(that)); + } + if (item['default'] && !item.negateName) { + descParts.push("default: " + item['default']); + } + desc = descParts.join(' - '); + data.push({ + type: 'option', + pre: pre, + desc: desc, + descLen: desc.length + }); + preLen = pre.length; + optionCount++; + totalPreLen += preLen; + preLens.push(preLen); + } + } + } + sortedPreLens = sort(preLens); + maxPreLen = sortedPreLens[sortedPreLens.length - 1]; + preLenMean = initialIndent + totalPreLen / optionCount; + x = optionCount > 2 ? min(preLenMean * maxPadFactor, maxPreLen) : maxPreLen; + for (i$ = sortedPreLens.length - 1; i$ >= 0; --i$) { + preLen = sortedPreLens[i$]; + if (preLen <= x) { + padAmount = preLen; + break; + } + } + descSepLen = descriptionSeparator.length; + if (maxWidth != null) { + fullWrapCount = 0; + partialWrapCount = 0; + for (i$ = 0, len$ = data.length; i$ < len$; ++i$) { + item = data[i$]; + if (item.type === 'option') { + pre = item.pre, desc = item.desc, descLen = item.descLen; + if (descLen === 0) { + item.wrap = 'none'; + } else { + preLen = max(padAmount, pre.length) + initialIndent + descSepLen; + totalLen = preLen + descLen; + if (totalLen > maxWidth) { + if (descLen / 2.5 > maxWidth - preLen) { + fullWrapCount++; + item.wrap = 'full'; + } else { + partialWrapCount++; + item.wrap = 'partial'; + } + } else { + item.wrap = 'none'; + } + } + } + } + } + initialSpace = repeatString$(' ', initialIndent); + wrapAllFull = optionCount > 1 && fullWrapCount + partialWrapCount * 0.5 > optionCount * 0.5; + for (i$ = 0, len$ = data.length; i$ < len$; ++i$) { + i = i$; + item = data[i$]; + if (item.type === 'heading') { + if (i !== 0) { + out(); + } + out(item.value + ":"); + } else { + pre = item.pre, desc = item.desc, descLen = item.descLen, wrap = item.wrap; + if (maxWidth != null) { + if (wrapAllFull || wrap === 'full') { + wrap = wordwrap(initialIndent + secondaryIndent, maxWidth); + out(initialSpace + "" + pre + "\n" + wrap(desc)); + continue; + } else if (wrap === 'partial') { + wrap = wordwrap(initialIndent + descSepLen + max(padAmount, pre.length), maxWidth); + out(initialSpace + "" + pad(pre, padAmount) + descriptionSeparator + wrap(desc).replace(/^\s+/, '')); + continue; + } + } + if (descLen === 0) { + out(initialSpace + "" + pre); + } else { + out(initialSpace + "" + pad(pre, padAmount) + descriptionSeparator + desc); + } + } + } + if (append) { + out(); + out(interpolate ? interp(append, interpolate) : append); + } + return unlines(output); + }; + }; + function pad(str, num){ + var len, padAmount; + len = str.length; + padAmount = num - len; + return str + "" + repeatString$(' ', padAmount > 0 ? padAmount : 0); + } + function sentencize(str){ + var first, rest, period; + first = str.charAt(0).toUpperCase(); + rest = str.slice(1); + period = /[\.!\?]$/.test(str) ? '' : '.'; + return first + "" + rest + period; + } + function interp(string, object){ + return string.replace(/{{([a-zA-Z$_][a-zA-Z$_0-9]*)}}/g, function(arg$, key){ + var ref$; + return (ref$ = object[key]) != null + ? ref$ + : "{{" + key + "}}"; + }); + } + module.exports = { + generateHelp: generateHelp, + generateHelpForOption: generateHelpForOption + }; + function repeatString$(str, n){ + for (var r = ''; n > 0; (n >>= 1) && (str += str)) if (n & 1) r += str; + return r; + } +}).call(this); diff --git a/module/node_modules/optionator/lib/index.js b/module/node_modules/optionator/lib/index.js new file mode 100644 index 000000000..436b7cc92 --- /dev/null +++ b/module/node_modules/optionator/lib/index.js @@ -0,0 +1,465 @@ +// Generated by LiveScript 1.6.0 +(function(){ + var VERSION, ref$, id, map, compact, any, groupBy, partition, chars, isItNaN, keys, Obj, camelize, deepIs, closestString, nameToRaw, dasherize, naturalJoin, generateHelp, generateHelpForOption, parsedTypeCheck, parseType, parseLevn, camelizeKeys, parseString, main, toString$ = {}.toString, slice$ = [].slice, arrayFrom$ = Array.from || function(x){return slice$.call(x);}; + VERSION = '0.9.4'; + ref$ = require('prelude-ls'), id = ref$.id, map = ref$.map, compact = ref$.compact, any = ref$.any, groupBy = ref$.groupBy, partition = ref$.partition, chars = ref$.chars, isItNaN = ref$.isItNaN, keys = ref$.keys, Obj = ref$.Obj, camelize = ref$.camelize; + deepIs = require('deep-is'); + ref$ = require('./util'), closestString = ref$.closestString, nameToRaw = ref$.nameToRaw, dasherize = ref$.dasherize, naturalJoin = ref$.naturalJoin; + ref$ = require('./help'), generateHelp = ref$.generateHelp, generateHelpForOption = ref$.generateHelpForOption; + ref$ = require('type-check'), parsedTypeCheck = ref$.parsedTypeCheck, parseType = ref$.parseType; + parseLevn = require('levn').parsedTypeParse; + camelizeKeys = function(obj){ + var key, value, resultObj$ = {}; + for (key in obj) { + value = obj[key]; + resultObj$[camelize(key)] = value; + } + return resultObj$; + }; + parseString = function(string){ + var assignOpt, regex, replaceRegex, result; + assignOpt = '--?[a-zA-Z][-a-z-A-Z0-9]*='; + regex = RegExp('(?:' + assignOpt + ')?(?:\'(?:\\\\\'|[^\'])+\'|"(?:\\\\"|[^"])+")|[^\'"\\s]+', 'g'); + replaceRegex = RegExp('^(' + assignOpt + ')?[\'"]([\\s\\S]*)[\'"]$'); + result = map(function(it){ + return it.replace(replaceRegex, '$1$2'); + }, string.match(regex) || []); + return result; + }; + main = function(libOptions){ + var opts, defaults, required, traverse, getOption, parse; + opts = {}; + defaults = {}; + required = []; + if (toString$.call(libOptions.stdout).slice(8, -1) === 'Undefined') { + libOptions.stdout = process.stdout; + } + libOptions.positionalAnywhere == null && (libOptions.positionalAnywhere = true); + libOptions.typeAliases == null && (libOptions.typeAliases = {}); + libOptions.defaults == null && (libOptions.defaults = {}); + if (libOptions.concatRepeatedArrays != null) { + libOptions.defaults.concatRepeatedArrays = libOptions.concatRepeatedArrays; + } + if (libOptions.mergeRepeatedObjects != null) { + libOptions.defaults.mergeRepeatedObjects = libOptions.mergeRepeatedObjects; + } + traverse = function(options){ + var i$, len$, option, name, k, ref$, v, type, that, e, parsedPossibilities, parsedType, j$, len1$, possibility, rawDependsType, dependsOpts, dependsType, cra, alias, shortNames, longNames; + if (toString$.call(options).slice(8, -1) !== 'Array') { + throw new Error('No options defined.'); + } + for (i$ = 0, len$ = options.length; i$ < len$; ++i$) { + option = options[i$]; + if (option.heading == null) { + name = option.option; + if (opts[name] != null) { + throw new Error("Option '" + name + "' already defined."); + } + for (k in ref$ = libOptions.defaults) { + v = ref$[k]; + option[k] == null && (option[k] = v); + } + if (option.type === 'Boolean') { + option.boolean == null && (option.boolean = true); + } + if (option.parsedType == null) { + if (!option.type) { + throw new Error("No type defined for option '" + name + "'."); + } + try { + type = (that = libOptions.typeAliases[option.type]) != null + ? that + : option.type; + option.parsedType = parseType(type); + } catch (e$) { + e = e$; + throw new Error("Option '" + name + "': Error parsing type '" + option.type + "': " + e.message); + } + } + if (option['default']) { + try { + defaults[name] = parseLevn(option.parsedType, option['default']); + } catch (e$) { + e = e$; + throw new Error("Option '" + name + "': Error parsing default value '" + option['default'] + "' for type '" + option.type + "': " + e.message); + } + } + if (option['enum'] && !option.parsedPossiblities) { + parsedPossibilities = []; + parsedType = option.parsedType; + for (j$ = 0, len1$ = (ref$ = option['enum']).length; j$ < len1$; ++j$) { + possibility = ref$[j$]; + try { + parsedPossibilities.push(parseLevn(parsedType, possibility)); + } catch (e$) { + e = e$; + throw new Error("Option '" + name + "': Error parsing enum value '" + possibility + "' for type '" + option.type + "': " + e.message); + } + } + option.parsedPossibilities = parsedPossibilities; + } + if (that = option.dependsOn) { + if (that.length) { + ref$ = [].concat(option.dependsOn), rawDependsType = ref$[0], dependsOpts = slice$.call(ref$, 1); + dependsType = rawDependsType.toLowerCase(); + if (dependsOpts.length) { + if (dependsType === 'and' || dependsType === 'or') { + option.dependsOn = [dependsType].concat(arrayFrom$(dependsOpts)); + } else { + throw new Error("Option '" + name + "': If you have more than one dependency, you must specify either 'and' or 'or'"); + } + } else { + if ((ref$ = dependsType.toLowerCase()) === 'and' || ref$ === 'or') { + option.dependsOn = null; + } else { + option.dependsOn = ['and', rawDependsType]; + } + } + } else { + option.dependsOn = null; + } + } + if (option.required) { + required.push(name); + } + opts[name] = option; + if (option.concatRepeatedArrays != null) { + cra = option.concatRepeatedArrays; + if ('Boolean' === toString$.call(cra).slice(8, -1)) { + option.concatRepeatedArrays = [cra, {}]; + } else if (cra.length === 1) { + option.concatRepeatedArrays = [cra[0], {}]; + } else if (cra.length !== 2) { + throw new Error("Invalid setting for concatRepeatedArrays"); + } + } + if (option.alias || option.aliases) { + if (name === 'NUM') { + throw new Error("-NUM option can't have aliases."); + } + if (option.alias) { + option.aliases == null && (option.aliases = [].concat(option.alias)); + } + for (j$ = 0, len1$ = (ref$ = option.aliases).length; j$ < len1$; ++j$) { + alias = ref$[j$]; + if (opts[alias] != null) { + throw new Error("Option '" + alias + "' already defined."); + } + opts[alias] = option; + } + ref$ = partition(fn$, option.aliases), shortNames = ref$[0], longNames = ref$[1]; + option.shortNames == null && (option.shortNames = shortNames); + option.longNames == null && (option.longNames = longNames); + } + if ((!option.aliases || option.shortNames.length === 0) && option.type === 'Boolean' && option['default'] === 'true') { + option.negateName = true; + } + } + } + function fn$(it){ + return it.length === 1; + } + }; + traverse(libOptions.options); + getOption = function(name){ + var opt, possiblyMeant; + opt = opts[name]; + if (opt == null) { + possiblyMeant = closestString(keys(opts), name); + throw new Error("Invalid option '" + nameToRaw(name) + "'" + (possiblyMeant ? " - perhaps you meant '" + nameToRaw(possiblyMeant) + "'?" : '.')); + } + return opt; + }; + parse = function(input, arg$){ + var slice, obj, positional, restPositional, overrideRequired, prop, setValue, setDefaults, checkRequired, mutuallyExclusiveError, checkMutuallyExclusive, checkDependency, checkDependencies, checkProp, args, key, value, option, ref$, i$, len$, arg, that, result, short, argName, usingAssign, val, flags, len, j$, len1$, i, flag, opt, name, valPrime, negated, noedName; + slice = (arg$ != null + ? arg$ + : {}).slice; + obj = {}; + positional = []; + restPositional = false; + overrideRequired = false; + prop = null; + setValue = function(name, value){ + var opt, val, cra, e, currentType; + opt = getOption(name); + if (opt.boolean) { + val = value; + } else { + try { + cra = opt.concatRepeatedArrays; + if (cra != null && cra[0] && cra[1].oneValuePerFlag && opt.parsedType.length === 1 && opt.parsedType[0].structure === 'array') { + val = [parseLevn(opt.parsedType[0].of, value)]; + } else { + val = parseLevn(opt.parsedType, value); + } + } catch (e$) { + e = e$; + throw new Error("Invalid value for option '" + name + "' - expected type " + opt.type + ", received value: " + value + "."); + } + if (opt['enum'] && !any(function(it){ + return deepIs(it, val); + }, opt.parsedPossibilities)) { + throw new Error("Option " + name + ": '" + val + "' not one of " + naturalJoin(opt['enum']) + "."); + } + } + currentType = toString$.call(obj[name]).slice(8, -1); + if (obj[name] != null) { + if (opt.concatRepeatedArrays != null && opt.concatRepeatedArrays[0] && currentType === 'Array') { + obj[name] = obj[name].concat(val); + } else if (opt.mergeRepeatedObjects && currentType === 'Object') { + import$(obj[name], val); + } else { + obj[name] = val; + } + } else { + obj[name] = val; + } + if (opt.restPositional) { + restPositional = true; + } + if (opt.overrideRequired) { + overrideRequired = true; + } + }; + setDefaults = function(){ + var name, ref$, value; + for (name in ref$ = defaults) { + value = ref$[name]; + if (obj[name] == null) { + obj[name] = value; + } + } + }; + checkRequired = function(){ + var i$, ref$, len$, name; + if (overrideRequired) { + return; + } + for (i$ = 0, len$ = (ref$ = required).length; i$ < len$; ++i$) { + name = ref$[i$]; + if (!obj[name]) { + throw new Error("Option " + nameToRaw(name) + " is required."); + } + } + }; + mutuallyExclusiveError = function(first, second){ + throw new Error("The options " + nameToRaw(first) + " and " + nameToRaw(second) + " are mutually exclusive - you cannot use them at the same time."); + }; + checkMutuallyExclusive = function(){ + var rules, i$, len$, rule, present, j$, len1$, element, k$, len2$, opt; + rules = libOptions.mutuallyExclusive; + if (!rules) { + return; + } + for (i$ = 0, len$ = rules.length; i$ < len$; ++i$) { + rule = rules[i$]; + present = null; + for (j$ = 0, len1$ = rule.length; j$ < len1$; ++j$) { + element = rule[j$]; + if (toString$.call(element).slice(8, -1) === 'Array') { + for (k$ = 0, len2$ = element.length; k$ < len2$; ++k$) { + opt = element[k$]; + if (opt in obj) { + if (present != null) { + mutuallyExclusiveError(present, opt); + } else { + present = opt; + break; + } + } + } + } else { + if (element in obj) { + if (present != null) { + mutuallyExclusiveError(present, element); + } else { + present = element; + } + } + } + } + } + }; + checkDependency = function(option){ + var dependsOn, type, targetOptionNames, i$, len$, targetOptionName, targetOption; + dependsOn = option.dependsOn; + if (!dependsOn || option.dependenciesMet) { + return true; + } + type = dependsOn[0], targetOptionNames = slice$.call(dependsOn, 1); + for (i$ = 0, len$ = targetOptionNames.length; i$ < len$; ++i$) { + targetOptionName = targetOptionNames[i$]; + targetOption = obj[targetOptionName]; + if (targetOption && checkDependency(targetOption)) { + if (type === 'or') { + return true; + } + } else if (type === 'and') { + throw new Error("The option '" + option.option + "' did not have its dependencies met."); + } + } + if (type === 'and') { + return true; + } else { + throw new Error("The option '" + option.option + "' did not meet any of its dependencies."); + } + }; + checkDependencies = function(){ + var name; + for (name in obj) { + checkDependency(opts[name]); + } + }; + checkProp = function(){ + if (prop) { + throw new Error("Value for '" + prop + "' of type '" + getOption(prop).type + "' required."); + } + }; + switch (toString$.call(input).slice(8, -1)) { + case 'String': + args = parseString(input.slice(slice != null ? slice : 0)); + break; + case 'Array': + args = input.slice(slice != null ? slice : 2); + break; + case 'Object': + obj = {}; + for (key in input) { + value = input[key]; + if (key !== '_') { + option = getOption(dasherize(key)); + if (parsedTypeCheck(option.parsedType, value)) { + obj[option.option] = value; + } else { + throw new Error("Option '" + option.option + "': Invalid type for '" + value + "' - expected type '" + option.type + "'."); + } + } + } + checkMutuallyExclusive(); + checkDependencies(); + setDefaults(); + checkRequired(); + return ref$ = camelizeKeys(obj), ref$._ = input._ || [], ref$; + default: + throw new Error("Invalid argument to 'parse': " + input + "."); + } + for (i$ = 0, len$ = args.length; i$ < len$; ++i$) { + arg = args[i$]; + if (arg === '--') { + restPositional = true; + } else if (restPositional) { + positional.push(arg); + } else { + if (that = arg.match(/^(--?)([a-zA-Z][-a-zA-Z0-9]*)(=)?(.*)?$/)) { + result = that; + checkProp(); + short = result[1].length === 1; + argName = result[2]; + usingAssign = result[3] != null; + val = result[4]; + if (usingAssign && val == null) { + throw new Error("No value for '" + argName + "' specified."); + } + if (short) { + flags = chars(argName); + len = flags.length; + for (j$ = 0, len1$ = flags.length; j$ < len1$; ++j$) { + i = j$; + flag = flags[j$]; + opt = getOption(flag); + name = opt.option; + if (restPositional) { + positional.push(flag); + } else if (i === len - 1) { + if (usingAssign) { + valPrime = opt.boolean ? parseLevn([{ + type: 'Boolean' + }], val) : val; + setValue(name, valPrime); + } else if (opt.boolean) { + setValue(name, true); + } else { + prop = name; + } + } else if (opt.boolean) { + setValue(name, true); + } else { + throw new Error("Can't set argument '" + flag + "' when not last flag in a group of short flags."); + } + } + } else { + negated = false; + if (that = argName.match(/^no-(.+)$/)) { + negated = true; + noedName = that[1]; + opt = getOption(noedName); + } else { + opt = getOption(argName); + } + name = opt.option; + if (opt.boolean) { + valPrime = usingAssign ? parseLevn([{ + type: 'Boolean' + }], val) : true; + if (negated) { + setValue(name, !valPrime); + } else { + setValue(name, valPrime); + } + } else { + if (negated) { + throw new Error("Only use 'no-' prefix for Boolean options, not with '" + noedName + "'."); + } + if (usingAssign) { + setValue(name, val); + } else { + prop = name; + } + } + } + } else if (that = arg.match(/^-([0-9]+(?:\.[0-9]+)?)$/)) { + opt = opts.NUM; + if (!opt) { + throw new Error('No -NUM option defined.'); + } + setValue(opt.option, that[1]); + } else { + if (prop) { + setValue(prop, arg); + prop = null; + } else { + positional.push(arg); + if (!libOptions.positionalAnywhere) { + restPositional = true; + } + } + } + } + } + checkProp(); + checkMutuallyExclusive(); + checkDependencies(); + setDefaults(); + checkRequired(); + return ref$ = camelizeKeys(obj), ref$._ = positional, ref$; + }; + return { + parse: parse, + parseArgv: function(it){ + return parse(it, { + slice: 2 + }); + }, + generateHelp: generateHelp(libOptions), + generateHelpForOption: generateHelpForOption(getOption, libOptions) + }; + }; + main.VERSION = VERSION; + module.exports = main; + function import$(obj, src){ + var own = {}.hasOwnProperty; + for (var key in src) if (own.call(src, key)) obj[key] = src[key]; + return obj; + } +}).call(this); diff --git a/module/node_modules/optionator/lib/util.js b/module/node_modules/optionator/lib/util.js new file mode 100644 index 000000000..5bc0cbb69 --- /dev/null +++ b/module/node_modules/optionator/lib/util.js @@ -0,0 +1,54 @@ +// Generated by LiveScript 1.6.0 +(function(){ + var prelude, map, sortBy, fl, closestString, nameToRaw, dasherize, naturalJoin; + prelude = require('prelude-ls'), map = prelude.map, sortBy = prelude.sortBy; + fl = require('fast-levenshtein'); + closestString = function(possibilities, input){ + var distances, ref$, string, distance; + if (!possibilities.length) { + return; + } + distances = map(function(it){ + var ref$, longer, shorter; + ref$ = input.length > it.length + ? [input, it] + : [it, input], longer = ref$[0], shorter = ref$[1]; + return { + string: it, + distance: fl.get(longer, shorter) + }; + })( + possibilities); + ref$ = sortBy(function(it){ + return it.distance; + }, distances)[0], string = ref$.string, distance = ref$.distance; + return string; + }; + nameToRaw = function(name){ + if (name.length === 1 || name === 'NUM') { + return "-" + name; + } else { + return "--" + name; + } + }; + dasherize = function(string){ + if (/^[A-Z]/.test(string)) { + return string; + } else { + return prelude.dasherize(string); + } + }; + naturalJoin = function(array){ + if (array.length < 3) { + return array.join(' or '); + } else { + return array.slice(0, -1).join(', ') + ", or " + array[array.length - 1]; + } + }; + module.exports = { + closestString: closestString, + nameToRaw: nameToRaw, + dasherize: dasherize, + naturalJoin: naturalJoin + }; +}).call(this); diff --git a/module/node_modules/optionator/package.json b/module/node_modules/optionator/package.json new file mode 100644 index 000000000..72b21bab6 --- /dev/null +++ b/module/node_modules/optionator/package.json @@ -0,0 +1,43 @@ +{ + "name": "optionator", + "version": "0.9.4", + "author": "George Zahariev ", + "description": "option parsing and help generation", + "homepage": "https://github.com/gkz/optionator", + "keywords": [ + "options", + "flags", + "option parsing", + "cli" + ], + "files": [ + "lib", + "README.md", + "LICENSE" + ], + "main": "./lib/", + "bugs": "https://github.com/gkz/optionator/issues", + "license": "MIT", + "engines": { + "node": ">= 0.8.0" + }, + "repository": { + "type": "git", + "url": "git://github.com/gkz/optionator.git" + }, + "scripts": { + "test": "make test" + }, + "dependencies": { + "prelude-ls": "^1.2.1", + "deep-is": "^0.1.3", + "word-wrap": "^1.2.5", + "type-check": "^0.4.0", + "levn": "^0.4.1", + "fast-levenshtein": "^2.0.6" + }, + "devDependencies": { + "livescript": "^1.6.0", + "mocha": "^10.4.0" + } +} diff --git a/module/node_modules/p-limit/index.d.ts b/module/node_modules/p-limit/index.d.ts new file mode 100644 index 000000000..f348d7f13 --- /dev/null +++ b/module/node_modules/p-limit/index.d.ts @@ -0,0 +1,42 @@ +declare namespace pLimit { + interface Limit { + /** + The number of promises that are currently running. + */ + readonly activeCount: number; + + /** + The number of promises that are waiting to run (i.e. their internal `fn` was not called yet). + */ + readonly pendingCount: number; + + /** + Discard pending promises that are waiting to run. + + This might be useful if you want to teardown the queue at the end of your program's lifecycle or discard any function calls referencing an intermediary state of your app. + + Note: This does not cancel promises that are already running. + */ + clearQueue: () => void; + + /** + @param fn - Promise-returning/async function. + @param arguments - Any arguments to pass through to `fn`. Support for passing arguments on to the `fn` is provided in order to be able to avoid creating unnecessary closures. You probably don't need this optimization unless you're pushing a lot of functions. + @returns The promise returned by calling `fn(...arguments)`. + */ + ( + fn: (...arguments: Arguments) => PromiseLike | ReturnType, + ...arguments: Arguments + ): Promise; + } +} + +/** +Run multiple promise-returning & async functions with limited concurrency. + +@param concurrency - Concurrency limit. Minimum: `1`. +@returns A `limit` function. +*/ +declare function pLimit(concurrency: number): pLimit.Limit; + +export = pLimit; diff --git a/module/node_modules/p-limit/index.js b/module/node_modules/p-limit/index.js new file mode 100644 index 000000000..c2ae52d90 --- /dev/null +++ b/module/node_modules/p-limit/index.js @@ -0,0 +1,71 @@ +'use strict'; +const Queue = require('yocto-queue'); + +const pLimit = concurrency => { + if (!((Number.isInteger(concurrency) || concurrency === Infinity) && concurrency > 0)) { + throw new TypeError('Expected `concurrency` to be a number from 1 and up'); + } + + const queue = new Queue(); + let activeCount = 0; + + const next = () => { + activeCount--; + + if (queue.size > 0) { + queue.dequeue()(); + } + }; + + const run = async (fn, resolve, ...args) => { + activeCount++; + + const result = (async () => fn(...args))(); + + resolve(result); + + try { + await result; + } catch {} + + next(); + }; + + const enqueue = (fn, resolve, ...args) => { + queue.enqueue(run.bind(null, fn, resolve, ...args)); + + (async () => { + // This function needs to wait until the next microtask before comparing + // `activeCount` to `concurrency`, because `activeCount` is updated asynchronously + // when the run function is dequeued and called. The comparison in the if-statement + // needs to happen asynchronously as well to get an up-to-date value for `activeCount`. + await Promise.resolve(); + + if (activeCount < concurrency && queue.size > 0) { + queue.dequeue()(); + } + })(); + }; + + const generator = (fn, ...args) => new Promise(resolve => { + enqueue(fn, resolve, ...args); + }); + + Object.defineProperties(generator, { + activeCount: { + get: () => activeCount + }, + pendingCount: { + get: () => queue.size + }, + clearQueue: { + value: () => { + queue.clear(); + } + } + }); + + return generator; +}; + +module.exports = pLimit; diff --git a/module/node_modules/p-limit/license b/module/node_modules/p-limit/license new file mode 100644 index 000000000..fa7ceba3e --- /dev/null +++ b/module/node_modules/p-limit/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (https://sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/p-limit/package.json b/module/node_modules/p-limit/package.json new file mode 100644 index 000000000..76514736f --- /dev/null +++ b/module/node_modules/p-limit/package.json @@ -0,0 +1,52 @@ +{ + "name": "p-limit", + "version": "3.1.0", + "description": "Run multiple promise-returning & async functions with limited concurrency", + "license": "MIT", + "repository": "sindresorhus/p-limit", + "funding": "https://github.com/sponsors/sindresorhus", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "https://sindresorhus.com" + }, + "engines": { + "node": ">=10" + }, + "scripts": { + "test": "xo && ava && tsd" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "keywords": [ + "promise", + "limit", + "limited", + "concurrency", + "throttle", + "throat", + "rate", + "batch", + "ratelimit", + "task", + "queue", + "async", + "await", + "promises", + "bluebird" + ], + "dependencies": { + "yocto-queue": "^0.1.0" + }, + "devDependencies": { + "ava": "^2.4.0", + "delay": "^4.4.0", + "in-range": "^2.0.0", + "random-int": "^2.0.1", + "time-span": "^4.0.0", + "tsd": "^0.13.1", + "xo": "^0.35.0" + } +} diff --git a/module/node_modules/p-limit/readme.md b/module/node_modules/p-limit/readme.md new file mode 100644 index 000000000..b283c1e63 --- /dev/null +++ b/module/node_modules/p-limit/readme.md @@ -0,0 +1,101 @@ +# p-limit + +> Run multiple promise-returning & async functions with limited concurrency + +## Install + +``` +$ npm install p-limit +``` + +## Usage + +```js +const pLimit = require('p-limit'); + +const limit = pLimit(1); + +const input = [ + limit(() => fetchSomething('foo')), + limit(() => fetchSomething('bar')), + limit(() => doSomething()) +]; + +(async () => { + // Only one promise is run at once + const result = await Promise.all(input); + console.log(result); +})(); +``` + +## API + +### pLimit(concurrency) + +Returns a `limit` function. + +#### concurrency + +Type: `number`\ +Minimum: `1`\ +Default: `Infinity` + +Concurrency limit. + +### limit(fn, ...args) + +Returns the promise returned by calling `fn(...args)`. + +#### fn + +Type: `Function` + +Promise-returning/async function. + +#### args + +Any arguments to pass through to `fn`. + +Support for passing arguments on to the `fn` is provided in order to be able to avoid creating unnecessary closures. You probably don't need this optimization unless you're pushing a *lot* of functions. + +### limit.activeCount + +The number of promises that are currently running. + +### limit.pendingCount + +The number of promises that are waiting to run (i.e. their internal `fn` was not called yet). + +### limit.clearQueue() + +Discard pending promises that are waiting to run. + +This might be useful if you want to teardown the queue at the end of your program's lifecycle or discard any function calls referencing an intermediary state of your app. + +Note: This does not cancel promises that are already running. + +## FAQ + +### How is this different from the [`p-queue`](https://github.com/sindresorhus/p-queue) package? + +This package is only about limiting the number of concurrent executions, while `p-queue` is a fully featured queue implementation with lots of different options, introspection, and ability to pause the queue. + +## Related + +- [p-queue](https://github.com/sindresorhus/p-queue) - Promise queue with concurrency control +- [p-throttle](https://github.com/sindresorhus/p-throttle) - Throttle promise-returning & async functions +- [p-debounce](https://github.com/sindresorhus/p-debounce) - Debounce promise-returning & async functions +- [p-all](https://github.com/sindresorhus/p-all) - Run promise-returning & async functions concurrently with optional limited concurrency +- [More…](https://github.com/sindresorhus/promise-fun) + +--- + +
+ + Get professional support for this package with a Tidelift subscription + +
+ + Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies. + +
diff --git a/module/node_modules/p-locate/index.d.ts b/module/node_modules/p-locate/index.d.ts new file mode 100644 index 000000000..38c7e578f --- /dev/null +++ b/module/node_modules/p-locate/index.d.ts @@ -0,0 +1,53 @@ +declare namespace pLocate { + interface Options { + /** + Number of concurrently pending promises returned by `tester`. Minimum: `1`. + + @default Infinity + */ + readonly concurrency?: number; + + /** + Preserve `input` order when searching. + + Disable this to improve performance if you don't care about the order. + + @default true + */ + readonly preserveOrder?: boolean; + } +} + +/** +Get the first fulfilled promise that satisfies the provided testing function. + +@param input - An iterable of promises/values to test. +@param tester - This function will receive resolved values from `input` and is expected to return a `Promise` or `boolean`. +@returns A `Promise` that is fulfilled when `tester` resolves to `true` or the iterable is done, or rejects if any of the promises reject. The fulfilled value is the current iterable value or `undefined` if `tester` never resolved to `true`. + +@example +``` +import pathExists = require('path-exists'); +import pLocate = require('p-locate'); + +const files = [ + 'unicorn.png', + 'rainbow.png', // Only this one actually exists on disk + 'pony.png' +]; + +(async () => { + const foundPath = await pLocate(files, file => pathExists(file)); + + console.log(foundPath); + //=> 'rainbow' +})(); +``` +*/ +declare function pLocate( + input: Iterable | ValueType>, + tester: (element: ValueType) => PromiseLike | boolean, + options?: pLocate.Options +): Promise; + +export = pLocate; diff --git a/module/node_modules/p-locate/index.js b/module/node_modules/p-locate/index.js new file mode 100644 index 000000000..641c3dd1e --- /dev/null +++ b/module/node_modules/p-locate/index.js @@ -0,0 +1,50 @@ +'use strict'; +const pLimit = require('p-limit'); + +class EndError extends Error { + constructor(value) { + super(); + this.value = value; + } +} + +// The input can also be a promise, so we await it +const testElement = async (element, tester) => tester(await element); + +// The input can also be a promise, so we `Promise.all()` them both +const finder = async element => { + const values = await Promise.all(element); + if (values[1] === true) { + throw new EndError(values[0]); + } + + return false; +}; + +const pLocate = async (iterable, tester, options) => { + options = { + concurrency: Infinity, + preserveOrder: true, + ...options + }; + + const limit = pLimit(options.concurrency); + + // Start all the promises concurrently with optional limit + const items = [...iterable].map(element => [element, limit(testElement, element, tester)]); + + // Check the promises either serially or concurrently + const checkLimit = pLimit(options.preserveOrder ? 1 : Infinity); + + try { + await Promise.all(items.map(element => checkLimit(finder, element))); + } catch (error) { + if (error instanceof EndError) { + return error.value; + } + + throw error; + } +}; + +module.exports = pLocate; diff --git a/module/node_modules/p-locate/license b/module/node_modules/p-locate/license new file mode 100644 index 000000000..fa7ceba3e --- /dev/null +++ b/module/node_modules/p-locate/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (https://sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/p-locate/package.json b/module/node_modules/p-locate/package.json new file mode 100644 index 000000000..2d5e447f5 --- /dev/null +++ b/module/node_modules/p-locate/package.json @@ -0,0 +1,54 @@ +{ + "name": "p-locate", + "version": "5.0.0", + "description": "Get the first fulfilled promise that satisfies the provided testing function", + "license": "MIT", + "repository": "sindresorhus/p-locate", + "funding": "https://github.com/sponsors/sindresorhus", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "https://sindresorhus.com" + }, + "engines": { + "node": ">=10" + }, + "scripts": { + "test": "xo && ava && tsd" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "keywords": [ + "promise", + "locate", + "find", + "finder", + "search", + "searcher", + "test", + "array", + "collection", + "iterable", + "iterator", + "race", + "fulfilled", + "fastest", + "async", + "await", + "promises", + "bluebird" + ], + "dependencies": { + "p-limit": "^3.0.2" + }, + "devDependencies": { + "ava": "^2.4.0", + "delay": "^4.1.0", + "in-range": "^2.0.0", + "time-span": "^4.0.0", + "tsd": "^0.13.1", + "xo": "^0.32.1" + } +} diff --git a/module/node_modules/p-locate/readme.md b/module/node_modules/p-locate/readme.md new file mode 100644 index 000000000..be85ec1d4 --- /dev/null +++ b/module/node_modules/p-locate/readme.md @@ -0,0 +1,93 @@ +# p-locate [![Build Status](https://travis-ci.com/sindresorhus/p-locate.svg?branch=master)](https://travis-ci.com/github/sindresorhus/p-locate) + +> Get the first fulfilled promise that satisfies the provided testing function + +Think of it like an async version of [`Array#find`](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Array/find). + +## Install + +``` +$ npm install p-locate +``` + +## Usage + +Here we find the first file that exists on disk, in array order. + +```js +const pathExists = require('path-exists'); +const pLocate = require('p-locate'); + +const files = [ + 'unicorn.png', + 'rainbow.png', // Only this one actually exists on disk + 'pony.png' +]; + +(async () => { + const foundPath = await pLocate(files, file => pathExists(file)); + + console.log(foundPath); + //=> 'rainbow' +})(); +``` + +*The above is just an example. Use [`locate-path`](https://github.com/sindresorhus/locate-path) if you need this.* + +## API + +### pLocate(input, tester, options?) + +Returns a `Promise` that is fulfilled when `tester` resolves to `true` or the iterable is done, or rejects if any of the promises reject. The fulfilled value is the current iterable value or `undefined` if `tester` never resolved to `true`. + +#### input + +Type: `Iterable` + +An iterable of promises/values to test. + +#### tester(element) + +Type: `Function` + +This function will receive resolved values from `input` and is expected to return a `Promise` or `boolean`. + +#### options + +Type: `object` + +##### concurrency + +Type: `number`\ +Default: `Infinity`\ +Minimum: `1` + +Number of concurrently pending promises returned by `tester`. + +##### preserveOrder + +Type: `boolean`\ +Default: `true` + +Preserve `input` order when searching. + +Disable this to improve performance if you don't care about the order. + +## Related + +- [p-map](https://github.com/sindresorhus/p-map) - Map over promises concurrently +- [p-filter](https://github.com/sindresorhus/p-filter) - Filter promises concurrently +- [p-any](https://github.com/sindresorhus/p-any) - Wait for any promise to be fulfilled +- [More…](https://github.com/sindresorhus/promise-fun) + +--- + +
+ + Get professional support for this package with a Tidelift subscription + +
+ + Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies. + +
diff --git a/module/node_modules/parent-module/index.js b/module/node_modules/parent-module/index.js new file mode 100644 index 000000000..a26f953a1 --- /dev/null +++ b/module/node_modules/parent-module/index.js @@ -0,0 +1,37 @@ +'use strict'; +const callsites = require('callsites'); + +module.exports = filepath => { + const stacks = callsites(); + + if (!filepath) { + return stacks[2].getFileName(); + } + + let seenVal = false; + + // Skip the first stack as it's this function + stacks.shift(); + + for (const stack of stacks) { + const parentFilepath = stack.getFileName(); + + if (typeof parentFilepath !== 'string') { + continue; + } + + if (parentFilepath === filepath) { + seenVal = true; + continue; + } + + // Skip native modules + if (parentFilepath === 'module.js') { + continue; + } + + if (seenVal && parentFilepath !== filepath) { + return parentFilepath; + } + } +}; diff --git a/module/node_modules/parent-module/license b/module/node_modules/parent-module/license new file mode 100644 index 000000000..e7af2f771 --- /dev/null +++ b/module/node_modules/parent-module/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/parent-module/package.json b/module/node_modules/parent-module/package.json new file mode 100644 index 000000000..790333d0b --- /dev/null +++ b/module/node_modules/parent-module/package.json @@ -0,0 +1,46 @@ +{ + "name": "parent-module", + "version": "1.0.1", + "description": "Get the path of the parent module", + "license": "MIT", + "repository": "sindresorhus/parent-module", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "engines": { + "node": ">=6" + }, + "scripts": { + "test": "xo && ava" + }, + "files": [ + "index.js" + ], + "keywords": [ + "parent", + "module", + "package", + "pkg", + "caller", + "calling", + "module", + "path", + "callsites", + "callsite", + "stacktrace", + "stack", + "trace", + "function", + "file" + ], + "dependencies": { + "callsites": "^3.0.0" + }, + "devDependencies": { + "ava": "^1.4.1", + "execa": "^1.0.0", + "xo": "^0.24.0" + } +} diff --git a/module/node_modules/parent-module/readme.md b/module/node_modules/parent-module/readme.md new file mode 100644 index 000000000..dffb4ce8f --- /dev/null +++ b/module/node_modules/parent-module/readme.md @@ -0,0 +1,67 @@ +# parent-module [![Build Status](https://travis-ci.org/sindresorhus/parent-module.svg?branch=master)](https://travis-ci.org/sindresorhus/parent-module) + +> Get the path of the parent module + +Node.js exposes `module.parent`, but it only gives you the first cached parent, which is not necessarily the actual parent. + + +## Install + +``` +$ npm install parent-module +``` + + +## Usage + +```js +// bar.js +const parentModule = require('parent-module'); + +module.exports = () => { + console.log(parentModule()); + //=> '/Users/sindresorhus/dev/unicorn/foo.js' +}; +``` + +```js +// foo.js +const bar = require('./bar'); + +bar(); +``` + + +## API + +### parentModule([filepath]) + +By default, it will return the path of the immediate parent. + +#### filepath + +Type: `string`
+Default: [`__filename`](https://nodejs.org/api/globals.html#globals_filename) + +Filepath of the module of which to get the parent path. + +Useful if you want it to work [multiple module levels down](https://github.com/sindresorhus/parent-module/tree/master/fixtures/filepath). + + +## Tip + +Combine it with [`read-pkg-up`](https://github.com/sindresorhus/read-pkg-up) to read the package.json of the parent module. + +```js +const path = require('path'); +const readPkgUp = require('read-pkg-up'); +const parentModule = require('parent-module'); + +console.log(readPkgUp.sync({cwd: path.dirname(parentModule())}).pkg); +//=> {name: 'chalk', version: '1.0.0', …} +``` + + +## License + +MIT © [Sindre Sorhus](https://sindresorhus.com) diff --git a/module/node_modules/path-exists/index.d.ts b/module/node_modules/path-exists/index.d.ts new file mode 100644 index 000000000..54b7ab8f4 --- /dev/null +++ b/module/node_modules/path-exists/index.d.ts @@ -0,0 +1,28 @@ +declare const pathExists: { + /** + Check if a path exists. + + @returns Whether the path exists. + + @example + ``` + // foo.ts + import pathExists = require('path-exists'); + + (async () => { + console.log(await pathExists('foo.ts')); + //=> true + })(); + ``` + */ + (path: string): Promise; + + /** + Synchronously check if a path exists. + + @returns Whether the path exists. + */ + sync(path: string): boolean; +}; + +export = pathExists; diff --git a/module/node_modules/path-exists/index.js b/module/node_modules/path-exists/index.js new file mode 100644 index 000000000..1943921b7 --- /dev/null +++ b/module/node_modules/path-exists/index.js @@ -0,0 +1,23 @@ +'use strict'; +const fs = require('fs'); +const {promisify} = require('util'); + +const pAccess = promisify(fs.access); + +module.exports = async path => { + try { + await pAccess(path); + return true; + } catch (_) { + return false; + } +}; + +module.exports.sync = path => { + try { + fs.accessSync(path); + return true; + } catch (_) { + return false; + } +}; diff --git a/module/node_modules/path-exists/license b/module/node_modules/path-exists/license new file mode 100644 index 000000000..e7af2f771 --- /dev/null +++ b/module/node_modules/path-exists/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/path-exists/package.json b/module/node_modules/path-exists/package.json new file mode 100644 index 000000000..0755256a2 --- /dev/null +++ b/module/node_modules/path-exists/package.json @@ -0,0 +1,39 @@ +{ + "name": "path-exists", + "version": "4.0.0", + "description": "Check if a path exists", + "license": "MIT", + "repository": "sindresorhus/path-exists", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "engines": { + "node": ">=8" + }, + "scripts": { + "test": "xo && ava && tsd" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "keywords": [ + "path", + "exists", + "exist", + "file", + "filepath", + "fs", + "filesystem", + "file-system", + "access", + "stat" + ], + "devDependencies": { + "ava": "^1.4.1", + "tsd": "^0.7.2", + "xo": "^0.24.0" + } +} diff --git a/module/node_modules/path-exists/readme.md b/module/node_modules/path-exists/readme.md new file mode 100644 index 000000000..81f984545 --- /dev/null +++ b/module/node_modules/path-exists/readme.md @@ -0,0 +1,52 @@ +# path-exists [![Build Status](https://travis-ci.org/sindresorhus/path-exists.svg?branch=master)](https://travis-ci.org/sindresorhus/path-exists) + +> Check if a path exists + +NOTE: `fs.existsSync` has been un-deprecated in Node.js since 6.8.0. If you only need to check synchronously, this module is not needed. + +While [`fs.exists()`](https://nodejs.org/api/fs.html#fs_fs_exists_path_callback) is being [deprecated](https://github.com/iojs/io.js/issues/103), there's still a genuine use-case of being able to check if a path exists for other purposes than doing IO with it. + +Never use this before handling a file though: + +> In particular, checking if a file exists before opening it is an anti-pattern that leaves you vulnerable to race conditions: another process may remove the file between the calls to `fs.exists()` and `fs.open()`. Just open the file and handle the error when it's not there. + + +## Install + +``` +$ npm install path-exists +``` + + +## Usage + +```js +// foo.js +const pathExists = require('path-exists'); + +(async () => { + console.log(await pathExists('foo.js')); + //=> true +})(); +``` + + +## API + +### pathExists(path) + +Returns a `Promise` of whether the path exists. + +### pathExists.sync(path) + +Returns a `boolean` of whether the path exists. + + +## Related + +- [path-exists-cli](https://github.com/sindresorhus/path-exists-cli) - CLI for this module + + +## License + +MIT © [Sindre Sorhus](https://sindresorhus.com) diff --git a/module/node_modules/path-key/index.d.ts b/module/node_modules/path-key/index.d.ts new file mode 100644 index 000000000..7c575d197 --- /dev/null +++ b/module/node_modules/path-key/index.d.ts @@ -0,0 +1,40 @@ +/// + +declare namespace pathKey { + interface Options { + /** + Use a custom environment variables object. Default: [`process.env`](https://nodejs.org/api/process.html#process_process_env). + */ + readonly env?: {[key: string]: string | undefined}; + + /** + Get the PATH key for a specific platform. Default: [`process.platform`](https://nodejs.org/api/process.html#process_process_platform). + */ + readonly platform?: NodeJS.Platform; + } +} + +declare const pathKey: { + /** + Get the [PATH](https://en.wikipedia.org/wiki/PATH_(variable)) environment variable key cross-platform. + + @example + ``` + import pathKey = require('path-key'); + + const key = pathKey(); + //=> 'PATH' + + const PATH = process.env[key]; + //=> '/usr/local/bin:/usr/bin:/bin' + ``` + */ + (options?: pathKey.Options): string; + + // TODO: Remove this for the next major release, refactor the whole definition to: + // declare function pathKey(options?: pathKey.Options): string; + // export = pathKey; + default: typeof pathKey; +}; + +export = pathKey; diff --git a/module/node_modules/path-key/index.js b/module/node_modules/path-key/index.js new file mode 100644 index 000000000..0cf6415d6 --- /dev/null +++ b/module/node_modules/path-key/index.js @@ -0,0 +1,16 @@ +'use strict'; + +const pathKey = (options = {}) => { + const environment = options.env || process.env; + const platform = options.platform || process.platform; + + if (platform !== 'win32') { + return 'PATH'; + } + + return Object.keys(environment).reverse().find(key => key.toUpperCase() === 'PATH') || 'Path'; +}; + +module.exports = pathKey; +// TODO: Remove this for the next major release +module.exports.default = pathKey; diff --git a/module/node_modules/path-key/license b/module/node_modules/path-key/license new file mode 100644 index 000000000..e7af2f771 --- /dev/null +++ b/module/node_modules/path-key/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/path-key/package.json b/module/node_modules/path-key/package.json new file mode 100644 index 000000000..c8cbd383a --- /dev/null +++ b/module/node_modules/path-key/package.json @@ -0,0 +1,39 @@ +{ + "name": "path-key", + "version": "3.1.1", + "description": "Get the PATH environment variable key cross-platform", + "license": "MIT", + "repository": "sindresorhus/path-key", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "engines": { + "node": ">=8" + }, + "scripts": { + "test": "xo && ava && tsd" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "keywords": [ + "path", + "key", + "environment", + "env", + "variable", + "var", + "get", + "cross-platform", + "windows" + ], + "devDependencies": { + "@types/node": "^11.13.0", + "ava": "^1.4.1", + "tsd": "^0.7.2", + "xo": "^0.24.0" + } +} diff --git a/module/node_modules/path-key/readme.md b/module/node_modules/path-key/readme.md new file mode 100644 index 000000000..a9052d7a6 --- /dev/null +++ b/module/node_modules/path-key/readme.md @@ -0,0 +1,61 @@ +# path-key [![Build Status](https://travis-ci.org/sindresorhus/path-key.svg?branch=master)](https://travis-ci.org/sindresorhus/path-key) + +> Get the [PATH](https://en.wikipedia.org/wiki/PATH_(variable)) environment variable key cross-platform + +It's usually `PATH`, but on Windows it can be any casing like `Path`... + + +## Install + +``` +$ npm install path-key +``` + + +## Usage + +```js +const pathKey = require('path-key'); + +const key = pathKey(); +//=> 'PATH' + +const PATH = process.env[key]; +//=> '/usr/local/bin:/usr/bin:/bin' +``` + + +## API + +### pathKey(options?) + +#### options + +Type: `object` + +##### env + +Type: `object`
+Default: [`process.env`](https://nodejs.org/api/process.html#process_process_env) + +Use a custom environment variables object. + +#### platform + +Type: `string`
+Default: [`process.platform`](https://nodejs.org/api/process.html#process_process_platform) + +Get the PATH key for a specific platform. + + +--- + +
+ + Get professional support for this package with a Tidelift subscription + +
+ + Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies. + +
diff --git a/module/node_modules/prelude-ls/CHANGELOG.md b/module/node_modules/prelude-ls/CHANGELOG.md new file mode 100644 index 000000000..71b8a0f2c --- /dev/null +++ b/module/node_modules/prelude-ls/CHANGELOG.md @@ -0,0 +1,108 @@ +# 1.2.1 +- fix version + +# 1.2.0 +- add `List.remove` +- build with LiveScript 1.6.0 +- update dependencies +- remove coverage calculation + +# 1.1.2 +- add `Func.memoize` +- fix `zip-all` and `zip-with-all` corner case (no input) +- build with LiveScript 1.4.0 + +# 1.1.1 +- curry `unique-by`, `minimum-by` + +# 1.1.0 +- added `List` functions: `maximum-by`, `minimum-by`, `unique-by` +- added `List` functions: `at`, `elem-index`, `elem-indices`, `find-index`, `find-indices` +- added `Str` functions: `capitalize`, `camelize`, `dasherize` +- added `Func` function: `over` - eg. ``same-length = (==) `over` (.length)`` +- exported `Str.repeat` through main `prelude` object +- fixed definition of `foldr` and `foldr1`, the new correct definition is backwards incompatible with the old, incorrect one +- fixed issue with `fix` +- improved code coverage + +# 1.0.3 +- build browser versions + +# 1.0.2 +- bug fix for `flatten` - slight change with bug fix, flattens arrays only, not array-like objects + +# 1.0.1 +- bug fixes for `drop-while` and `take-while` + +# 1.0.0 +* massive update - separated functions into separate modules +* functions do not accept multiple types anymore - use different versions in their respective modules in some cases (eg. `Obj.map`), or use `chars` or `values` in other cases to transform into a list +* objects are no longer transformed into functions, simply use `(obj.)` in LiveScript to do that +* browser version now using browserify - use `prelude = require('prelude-ls')` +* added `compact`, `split`, `flatten`, `difference`, `intersection`, `union`, `count-by`, `group-by`, `chars`, `unchars`, `apply` +* added `lists-to-obj` which takes a list of keys and list of values and zips them up into an object, and the converse `obj-to-lists` +* added `pairs-to-obj` which takes a list of pairs (2 element lists) and creates an object, and the converse `obj-to-pairs` +* removed `cons`, `append` - use the concat operator +* removed `compose` - use the compose operator +* removed `obj-to-func` - use partially applied access (eg. `(obj.)`) +* removed `length` - use `(.length)` +* `sort-by` renamed to `sort-with` +* added new `sort-by` +* removed `compare` - just use the new `sort-by` +* `break-it` renamed `break-list`, (`Str.break-str` for the string version) +* added `Str.repeat` which creates a new string by repeating the input n times +* `unfold` as alias to `unfoldr` is no longer used +* fixed up style and compiled with LiveScript 1.1.1 +* use Make instead of Slake +* greatly improved tests + +# 0.6.0 +* fixed various bugs +* added `fix`, a fixpoint (Y combinator) for anonymous recursive functions +* added `unfoldr` (alias `unfold`) +* calling `replicate` with a string now returns a list of strings +* removed `partial`, just use native partial application in LiveScript using the `_` placeholder, or currying +* added `sort`, `sortBy`, and `compare` + +# 0.5.0 +* removed `lookup` - use (.prop) +* removed `call` - use (.func arg1, arg2) +* removed `pluck` - use map (.prop), xs +* fixed buys wtih `head` and `last` +* added non-minifed browser version, as `prelude-browser.js` +* renamed `prelude-min.js` to `prelude-browser-min.js` +* renamed `zip` to `zipAll` +* renamed `zipWith` to `zipAllWith` +* added `zip`, a curried zip that takes only two arguments +* added `zipWith`, a curried zipWith that takes only two arguments + +# 0.4.0 +* added `parition` function +* added `curry` function +* removed `elem` function (use `in`) +* removed `notElem` function (use `not in`) + +# 0.3.0 +* added `listToObject` +* added `unique` +* added `objToFunc` +* added support for using strings in map and the like +* added support for using objects in map and the like +* added ability to use objects instead of functions in certain cases +* removed `error` (just use throw) +* added `tau` constant +* added `join` +* added `values` +* added `keys` +* added `partial` +* renamed `log` to `ln` +* added alias to `head`: `first` +* added `installPrelude` helper + +# 0.2.0 +* removed functions that simply warp operators as you can now use operators as functions in LiveScript +* `min/max` are now curried and take only 2 arguments +* added `call` + +# 0.1.0 +* initial public release diff --git a/module/node_modules/prelude-ls/LICENSE b/module/node_modules/prelude-ls/LICENSE new file mode 100644 index 000000000..525b11850 --- /dev/null +++ b/module/node_modules/prelude-ls/LICENSE @@ -0,0 +1,22 @@ +Copyright (c) George Zahariev + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/prelude-ls/README.md b/module/node_modules/prelude-ls/README.md new file mode 100644 index 000000000..fabc212e7 --- /dev/null +++ b/module/node_modules/prelude-ls/README.md @@ -0,0 +1,15 @@ +# prelude.ls [![Build Status](https://travis-ci.org/gkz/prelude-ls.png?branch=master)](https://travis-ci.org/gkz/prelude-ls) + +is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript. + +See **[the prelude.ls site](http://preludels.com)** for examples, a reference, and more. + +You can install via npm `npm install prelude-ls` + +### Development + +`make test` to test + +`make build` to build `lib` from `src` + +`make build-browser` to build browser versions diff --git a/module/node_modules/prelude-ls/lib/Func.js b/module/node_modules/prelude-ls/lib/Func.js new file mode 100644 index 000000000..09777a8c7 --- /dev/null +++ b/module/node_modules/prelude-ls/lib/Func.js @@ -0,0 +1,69 @@ +// Generated by LiveScript 1.6.0 +var apply, curry, flip, fix, over, memoize, toString$ = {}.toString; +apply = curry$(function(f, list){ + return f.apply(null, list); +}); +curry = function(f){ + return curry$(f); +}; +flip = curry$(function(f, x, y){ + return f(y, x); +}); +fix = function(f){ + return function(g){ + return function(){ + return f(g(g)).apply(null, arguments); + }; + }(function(g){ + return function(){ + return f(g(g)).apply(null, arguments); + }; + }); +}; +over = curry$(function(f, g, x, y){ + return f(g(x), g(y)); +}); +memoize = function(f){ + var memo; + memo = {}; + return function(){ + var args, res$, i$, to$, key, arg; + res$ = []; + for (i$ = 0, to$ = arguments.length; i$ < to$; ++i$) { + res$.push(arguments[i$]); + } + args = res$; + key = (function(){ + var i$, ref$, len$, results$ = []; + for (i$ = 0, len$ = (ref$ = args).length; i$ < len$; ++i$) { + arg = ref$[i$]; + results$.push(arg + toString$.call(arg).slice(8, -1)); + } + return results$; + }()).join(''); + return memo[key] = key in memo + ? memo[key] + : f.apply(null, args); + }; +}; +module.exports = { + curry: curry, + flip: flip, + fix: fix, + apply: apply, + over: over, + memoize: memoize +}; +function curry$(f, bound){ + var context, + _curry = function(args) { + return f.length > 1 ? function(){ + var params = args ? args.concat() : []; + context = bound ? context || this : this; + return params.push.apply(params, arguments) < + f.length && arguments.length ? + _curry.call(context, params) : f.apply(context, params); + } : f; + }; + return _curry(); +} \ No newline at end of file diff --git a/module/node_modules/prelude-ls/lib/List.js b/module/node_modules/prelude-ls/lib/List.js new file mode 100644 index 000000000..d2e41ab1f --- /dev/null +++ b/module/node_modules/prelude-ls/lib/List.js @@ -0,0 +1,716 @@ +// Generated by LiveScript 1.6.0 +var each, map, compact, filter, reject, remove, partition, find, head, first, tail, last, initial, empty, reverse, unique, uniqueBy, fold, foldl, fold1, foldl1, foldr, foldr1, unfoldr, concat, concatMap, flatten, difference, intersection, union, countBy, groupBy, andList, orList, any, all, sort, sortWith, sortBy, sum, product, mean, average, maximum, minimum, maximumBy, minimumBy, scan, scanl, scan1, scanl1, scanr, scanr1, slice, take, drop, splitAt, takeWhile, dropWhile, span, breakList, zip, zipWith, zipAll, zipAllWith, at, elemIndex, elemIndices, findIndex, findIndices, toString$ = {}.toString; +each = curry$(function(f, xs){ + var i$, len$, x; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + f(x); + } + return xs; +}); +map = curry$(function(f, xs){ + var i$, len$, x, results$ = []; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + results$.push(f(x)); + } + return results$; +}); +compact = function(xs){ + var i$, len$, x, results$ = []; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + if (x) { + results$.push(x); + } + } + return results$; +}; +filter = curry$(function(f, xs){ + var i$, len$, x, results$ = []; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + if (f(x)) { + results$.push(x); + } + } + return results$; +}); +reject = curry$(function(f, xs){ + var i$, len$, x, results$ = []; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + if (!f(x)) { + results$.push(x); + } + } + return results$; +}); +remove = curry$(function(el, xs){ + var i, x$; + i = elemIndex(el, xs); + x$ = xs.slice(); + if (i != null) { + x$.splice(i, 1); + } + return x$; +}); +partition = curry$(function(f, xs){ + var passed, failed, i$, len$, x; + passed = []; + failed = []; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + (f(x) ? passed : failed).push(x); + } + return [passed, failed]; +}); +find = curry$(function(f, xs){ + var i$, len$, x; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + if (f(x)) { + return x; + } + } +}); +head = first = function(xs){ + return xs[0]; +}; +tail = function(xs){ + if (!xs.length) { + return; + } + return xs.slice(1); +}; +last = function(xs){ + return xs[xs.length - 1]; +}; +initial = function(xs){ + if (!xs.length) { + return; + } + return xs.slice(0, -1); +}; +empty = function(xs){ + return !xs.length; +}; +reverse = function(xs){ + return xs.concat().reverse(); +}; +unique = function(xs){ + var result, i$, len$, x; + result = []; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + if (!in$(x, result)) { + result.push(x); + } + } + return result; +}; +uniqueBy = curry$(function(f, xs){ + var seen, i$, len$, x, val, results$ = []; + seen = []; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + val = f(x); + if (in$(val, seen)) { + continue; + } + seen.push(val); + results$.push(x); + } + return results$; +}); +fold = foldl = curry$(function(f, memo, xs){ + var i$, len$, x; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + memo = f(memo, x); + } + return memo; +}); +fold1 = foldl1 = curry$(function(f, xs){ + return fold(f, xs[0], xs.slice(1)); +}); +foldr = curry$(function(f, memo, xs){ + var i$, x; + for (i$ = xs.length - 1; i$ >= 0; --i$) { + x = xs[i$]; + memo = f(x, memo); + } + return memo; +}); +foldr1 = curry$(function(f, xs){ + return foldr(f, xs[xs.length - 1], xs.slice(0, -1)); +}); +unfoldr = curry$(function(f, b){ + var result, x, that; + result = []; + x = b; + while ((that = f(x)) != null) { + result.push(that[0]); + x = that[1]; + } + return result; +}); +concat = function(xss){ + return [].concat.apply([], xss); +}; +concatMap = curry$(function(f, xs){ + var x; + return [].concat.apply([], (function(){ + var i$, ref$, len$, results$ = []; + for (i$ = 0, len$ = (ref$ = xs).length; i$ < len$; ++i$) { + x = ref$[i$]; + results$.push(f(x)); + } + return results$; + }())); +}); +flatten = function(xs){ + var x; + return [].concat.apply([], (function(){ + var i$, ref$, len$, results$ = []; + for (i$ = 0, len$ = (ref$ = xs).length; i$ < len$; ++i$) { + x = ref$[i$]; + if (toString$.call(x).slice(8, -1) === 'Array') { + results$.push(flatten(x)); + } else { + results$.push(x); + } + } + return results$; + }())); +}; +difference = function(xs){ + var yss, res$, i$, to$, results, len$, x, j$, len1$, ys; + res$ = []; + for (i$ = 1, to$ = arguments.length; i$ < to$; ++i$) { + res$.push(arguments[i$]); + } + yss = res$; + results = []; + outer: for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + for (j$ = 0, len1$ = yss.length; j$ < len1$; ++j$) { + ys = yss[j$]; + if (in$(x, ys)) { + continue outer; + } + } + results.push(x); + } + return results; +}; +intersection = function(xs){ + var yss, res$, i$, to$, results, len$, x, j$, len1$, ys; + res$ = []; + for (i$ = 1, to$ = arguments.length; i$ < to$; ++i$) { + res$.push(arguments[i$]); + } + yss = res$; + results = []; + outer: for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + for (j$ = 0, len1$ = yss.length; j$ < len1$; ++j$) { + ys = yss[j$]; + if (!in$(x, ys)) { + continue outer; + } + } + results.push(x); + } + return results; +}; +union = function(){ + var xss, res$, i$, to$, results, len$, xs, j$, len1$, x; + res$ = []; + for (i$ = 0, to$ = arguments.length; i$ < to$; ++i$) { + res$.push(arguments[i$]); + } + xss = res$; + results = []; + for (i$ = 0, len$ = xss.length; i$ < len$; ++i$) { + xs = xss[i$]; + for (j$ = 0, len1$ = xs.length; j$ < len1$; ++j$) { + x = xs[j$]; + if (!in$(x, results)) { + results.push(x); + } + } + } + return results; +}; +countBy = curry$(function(f, xs){ + var results, i$, len$, x, key; + results = {}; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + key = f(x); + if (key in results) { + results[key] += 1; + } else { + results[key] = 1; + } + } + return results; +}); +groupBy = curry$(function(f, xs){ + var results, i$, len$, x, key; + results = {}; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + key = f(x); + if (key in results) { + results[key].push(x); + } else { + results[key] = [x]; + } + } + return results; +}); +andList = function(xs){ + var i$, len$, x; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + if (!x) { + return false; + } + } + return true; +}; +orList = function(xs){ + var i$, len$, x; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + if (x) { + return true; + } + } + return false; +}; +any = curry$(function(f, xs){ + var i$, len$, x; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + if (f(x)) { + return true; + } + } + return false; +}); +all = curry$(function(f, xs){ + var i$, len$, x; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + if (!f(x)) { + return false; + } + } + return true; +}); +sort = function(xs){ + return xs.concat().sort(function(x, y){ + if (x > y) { + return 1; + } else if (x < y) { + return -1; + } else { + return 0; + } + }); +}; +sortWith = curry$(function(f, xs){ + return xs.concat().sort(f); +}); +sortBy = curry$(function(f, xs){ + return xs.concat().sort(function(x, y){ + if (f(x) > f(y)) { + return 1; + } else if (f(x) < f(y)) { + return -1; + } else { + return 0; + } + }); +}); +sum = function(xs){ + var result, i$, len$, x; + result = 0; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + result += x; + } + return result; +}; +product = function(xs){ + var result, i$, len$, x; + result = 1; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + result *= x; + } + return result; +}; +mean = average = function(xs){ + var sum, i$, len$, x; + sum = 0; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + x = xs[i$]; + sum += x; + } + return sum / xs.length; +}; +maximum = function(xs){ + var max, i$, ref$, len$, x; + max = xs[0]; + for (i$ = 0, len$ = (ref$ = xs.slice(1)).length; i$ < len$; ++i$) { + x = ref$[i$]; + if (x > max) { + max = x; + } + } + return max; +}; +minimum = function(xs){ + var min, i$, ref$, len$, x; + min = xs[0]; + for (i$ = 0, len$ = (ref$ = xs.slice(1)).length; i$ < len$; ++i$) { + x = ref$[i$]; + if (x < min) { + min = x; + } + } + return min; +}; +maximumBy = curry$(function(f, xs){ + var max, i$, ref$, len$, x; + max = xs[0]; + for (i$ = 0, len$ = (ref$ = xs.slice(1)).length; i$ < len$; ++i$) { + x = ref$[i$]; + if (f(x) > f(max)) { + max = x; + } + } + return max; +}); +minimumBy = curry$(function(f, xs){ + var min, i$, ref$, len$, x; + min = xs[0]; + for (i$ = 0, len$ = (ref$ = xs.slice(1)).length; i$ < len$; ++i$) { + x = ref$[i$]; + if (f(x) < f(min)) { + min = x; + } + } + return min; +}); +scan = scanl = curry$(function(f, memo, xs){ + var last, x; + last = memo; + return [memo].concat((function(){ + var i$, ref$, len$, results$ = []; + for (i$ = 0, len$ = (ref$ = xs).length; i$ < len$; ++i$) { + x = ref$[i$]; + results$.push(last = f(last, x)); + } + return results$; + }())); +}); +scan1 = scanl1 = curry$(function(f, xs){ + if (!xs.length) { + return; + } + return scan(f, xs[0], xs.slice(1)); +}); +scanr = curry$(function(f, memo, xs){ + xs = xs.concat().reverse(); + return scan(f, memo, xs).reverse(); +}); +scanr1 = curry$(function(f, xs){ + if (!xs.length) { + return; + } + xs = xs.concat().reverse(); + return scan(f, xs[0], xs.slice(1)).reverse(); +}); +slice = curry$(function(x, y, xs){ + return xs.slice(x, y); +}); +take = curry$(function(n, xs){ + if (n <= 0) { + return xs.slice(0, 0); + } else { + return xs.slice(0, n); + } +}); +drop = curry$(function(n, xs){ + if (n <= 0) { + return xs; + } else { + return xs.slice(n); + } +}); +splitAt = curry$(function(n, xs){ + return [take(n, xs), drop(n, xs)]; +}); +takeWhile = curry$(function(p, xs){ + var len, i; + len = xs.length; + if (!len) { + return xs; + } + i = 0; + while (i < len && p(xs[i])) { + i += 1; + } + return xs.slice(0, i); +}); +dropWhile = curry$(function(p, xs){ + var len, i; + len = xs.length; + if (!len) { + return xs; + } + i = 0; + while (i < len && p(xs[i])) { + i += 1; + } + return xs.slice(i); +}); +span = curry$(function(p, xs){ + return [takeWhile(p, xs), dropWhile(p, xs)]; +}); +breakList = curry$(function(p, xs){ + return span(compose$(p, not$), xs); +}); +zip = curry$(function(xs, ys){ + var result, len, i$, len$, i, x; + result = []; + len = ys.length; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + i = i$; + x = xs[i$]; + if (i === len) { + break; + } + result.push([x, ys[i]]); + } + return result; +}); +zipWith = curry$(function(f, xs, ys){ + var result, len, i$, len$, i, x; + result = []; + len = ys.length; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + i = i$; + x = xs[i$]; + if (i === len) { + break; + } + result.push(f(x, ys[i])); + } + return result; +}); +zipAll = function(){ + var xss, res$, i$, to$, minLength, len$, xs, ref$, i, lresult$, j$, results$ = []; + res$ = []; + for (i$ = 0, to$ = arguments.length; i$ < to$; ++i$) { + res$.push(arguments[i$]); + } + xss = res$; + minLength = undefined; + for (i$ = 0, len$ = xss.length; i$ < len$; ++i$) { + xs = xss[i$]; + minLength <= (ref$ = xs.length) || (minLength = ref$); + } + for (i$ = 0; i$ < minLength; ++i$) { + i = i$; + lresult$ = []; + for (j$ = 0, len$ = xss.length; j$ < len$; ++j$) { + xs = xss[j$]; + lresult$.push(xs[i]); + } + results$.push(lresult$); + } + return results$; +}; +zipAllWith = function(f){ + var xss, res$, i$, to$, minLength, len$, xs, ref$, i, results$ = []; + res$ = []; + for (i$ = 1, to$ = arguments.length; i$ < to$; ++i$) { + res$.push(arguments[i$]); + } + xss = res$; + minLength = undefined; + for (i$ = 0, len$ = xss.length; i$ < len$; ++i$) { + xs = xss[i$]; + minLength <= (ref$ = xs.length) || (minLength = ref$); + } + for (i$ = 0; i$ < minLength; ++i$) { + i = i$; + results$.push(f.apply(null, (fn$()))); + } + return results$; + function fn$(){ + var i$, ref$, len$, results$ = []; + for (i$ = 0, len$ = (ref$ = xss).length; i$ < len$; ++i$) { + xs = ref$[i$]; + results$.push(xs[i]); + } + return results$; + } +}; +at = curry$(function(n, xs){ + if (n < 0) { + return xs[xs.length + n]; + } else { + return xs[n]; + } +}); +elemIndex = curry$(function(el, xs){ + var i$, len$, i, x; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + i = i$; + x = xs[i$]; + if (x === el) { + return i; + } + } +}); +elemIndices = curry$(function(el, xs){ + var i$, len$, i, x, results$ = []; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + i = i$; + x = xs[i$]; + if (x === el) { + results$.push(i); + } + } + return results$; +}); +findIndex = curry$(function(f, xs){ + var i$, len$, i, x; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + i = i$; + x = xs[i$]; + if (f(x)) { + return i; + } + } +}); +findIndices = curry$(function(f, xs){ + var i$, len$, i, x, results$ = []; + for (i$ = 0, len$ = xs.length; i$ < len$; ++i$) { + i = i$; + x = xs[i$]; + if (f(x)) { + results$.push(i); + } + } + return results$; +}); +module.exports = { + each: each, + map: map, + filter: filter, + compact: compact, + reject: reject, + remove: remove, + partition: partition, + find: find, + head: head, + first: first, + tail: tail, + last: last, + initial: initial, + empty: empty, + reverse: reverse, + difference: difference, + intersection: intersection, + union: union, + countBy: countBy, + groupBy: groupBy, + fold: fold, + fold1: fold1, + foldl: foldl, + foldl1: foldl1, + foldr: foldr, + foldr1: foldr1, + unfoldr: unfoldr, + andList: andList, + orList: orList, + any: any, + all: all, + unique: unique, + uniqueBy: uniqueBy, + sort: sort, + sortWith: sortWith, + sortBy: sortBy, + sum: sum, + product: product, + mean: mean, + average: average, + concat: concat, + concatMap: concatMap, + flatten: flatten, + maximum: maximum, + minimum: minimum, + maximumBy: maximumBy, + minimumBy: minimumBy, + scan: scan, + scan1: scan1, + scanl: scanl, + scanl1: scanl1, + scanr: scanr, + scanr1: scanr1, + slice: slice, + take: take, + drop: drop, + splitAt: splitAt, + takeWhile: takeWhile, + dropWhile: dropWhile, + span: span, + breakList: breakList, + zip: zip, + zipWith: zipWith, + zipAll: zipAll, + zipAllWith: zipAllWith, + at: at, + elemIndex: elemIndex, + elemIndices: elemIndices, + findIndex: findIndex, + findIndices: findIndices +}; +function curry$(f, bound){ + var context, + _curry = function(args) { + return f.length > 1 ? function(){ + var params = args ? args.concat() : []; + context = bound ? context || this : this; + return params.push.apply(params, arguments) < + f.length && arguments.length ? + _curry.call(context, params) : f.apply(context, params); + } : f; + }; + return _curry(); +} +function in$(x, xs){ + var i = -1, l = xs.length >>> 0; + while (++i < l) if (x === xs[i]) return true; + return false; +} +function compose$() { + var functions = arguments; + return function() { + var i, result; + result = functions[0].apply(this, arguments); + for (i = 1; i < functions.length; ++i) { + result = functions[i](result); + } + return result; + }; +} +function not$(x){ return !x; } \ No newline at end of file diff --git a/module/node_modules/prelude-ls/lib/Num.js b/module/node_modules/prelude-ls/lib/Num.js new file mode 100644 index 000000000..f6b531939 --- /dev/null +++ b/module/node_modules/prelude-ls/lib/Num.js @@ -0,0 +1,130 @@ +// Generated by LiveScript 1.6.0 +var max, min, negate, abs, signum, quot, rem, div, mod, recip, pi, tau, exp, sqrt, ln, pow, sin, tan, cos, asin, acos, atan, atan2, truncate, round, ceiling, floor, isItNaN, even, odd, gcd, lcm; +max = curry$(function(x$, y$){ + return x$ > y$ ? x$ : y$; +}); +min = curry$(function(x$, y$){ + return x$ < y$ ? x$ : y$; +}); +negate = function(x){ + return -x; +}; +abs = Math.abs; +signum = function(x){ + if (x < 0) { + return -1; + } else if (x > 0) { + return 1; + } else { + return 0; + } +}; +quot = curry$(function(x, y){ + return ~~(x / y); +}); +rem = curry$(function(x$, y$){ + return x$ % y$; +}); +div = curry$(function(x, y){ + return Math.floor(x / y); +}); +mod = curry$(function(x$, y$){ + var ref$; + return ((x$) % (ref$ = y$) + ref$) % ref$; +}); +recip = (function(it){ + return 1 / it; +}); +pi = Math.PI; +tau = pi * 2; +exp = Math.exp; +sqrt = Math.sqrt; +ln = Math.log; +pow = curry$(function(x$, y$){ + return Math.pow(x$, y$); +}); +sin = Math.sin; +tan = Math.tan; +cos = Math.cos; +asin = Math.asin; +acos = Math.acos; +atan = Math.atan; +atan2 = curry$(function(x, y){ + return Math.atan2(x, y); +}); +truncate = function(x){ + return ~~x; +}; +round = Math.round; +ceiling = Math.ceil; +floor = Math.floor; +isItNaN = function(x){ + return x !== x; +}; +even = function(x){ + return x % 2 === 0; +}; +odd = function(x){ + return x % 2 !== 0; +}; +gcd = curry$(function(x, y){ + var z; + x = Math.abs(x); + y = Math.abs(y); + while (y !== 0) { + z = x % y; + x = y; + y = z; + } + return x; +}); +lcm = curry$(function(x, y){ + return Math.abs(Math.floor(x / gcd(x, y) * y)); +}); +module.exports = { + max: max, + min: min, + negate: negate, + abs: abs, + signum: signum, + quot: quot, + rem: rem, + div: div, + mod: mod, + recip: recip, + pi: pi, + tau: tau, + exp: exp, + sqrt: sqrt, + ln: ln, + pow: pow, + sin: sin, + tan: tan, + cos: cos, + acos: acos, + asin: asin, + atan: atan, + atan2: atan2, + truncate: truncate, + round: round, + ceiling: ceiling, + floor: floor, + isItNaN: isItNaN, + even: even, + odd: odd, + gcd: gcd, + lcm: lcm +}; +function curry$(f, bound){ + var context, + _curry = function(args) { + return f.length > 1 ? function(){ + var params = args ? args.concat() : []; + context = bound ? context || this : this; + return params.push.apply(params, arguments) < + f.length && arguments.length ? + _curry.call(context, params) : f.apply(context, params); + } : f; + }; + return _curry(); +} \ No newline at end of file diff --git a/module/node_modules/prelude-ls/lib/Obj.js b/module/node_modules/prelude-ls/lib/Obj.js new file mode 100644 index 000000000..0b8d32161 --- /dev/null +++ b/module/node_modules/prelude-ls/lib/Obj.js @@ -0,0 +1,154 @@ +// Generated by LiveScript 1.6.0 +var values, keys, pairsToObj, objToPairs, listsToObj, objToLists, empty, each, map, compact, filter, reject, partition, find; +values = function(object){ + var i$, x, results$ = []; + for (i$ in object) { + x = object[i$]; + results$.push(x); + } + return results$; +}; +keys = function(object){ + var x, results$ = []; + for (x in object) { + results$.push(x); + } + return results$; +}; +pairsToObj = function(object){ + var i$, len$, x, resultObj$ = {}; + for (i$ = 0, len$ = object.length; i$ < len$; ++i$) { + x = object[i$]; + resultObj$[x[0]] = x[1]; + } + return resultObj$; +}; +objToPairs = function(object){ + var key, value, results$ = []; + for (key in object) { + value = object[key]; + results$.push([key, value]); + } + return results$; +}; +listsToObj = curry$(function(keys, values){ + var i$, len$, i, key, resultObj$ = {}; + for (i$ = 0, len$ = keys.length; i$ < len$; ++i$) { + i = i$; + key = keys[i$]; + resultObj$[key] = values[i]; + } + return resultObj$; +}); +objToLists = function(object){ + var keys, values, key, value; + keys = []; + values = []; + for (key in object) { + value = object[key]; + keys.push(key); + values.push(value); + } + return [keys, values]; +}; +empty = function(object){ + var x; + for (x in object) { + return false; + } + return true; +}; +each = curry$(function(f, object){ + var i$, x; + for (i$ in object) { + x = object[i$]; + f(x); + } + return object; +}); +map = curry$(function(f, object){ + var k, x, resultObj$ = {}; + for (k in object) { + x = object[k]; + resultObj$[k] = f(x); + } + return resultObj$; +}); +compact = function(object){ + var k, x, resultObj$ = {}; + for (k in object) { + x = object[k]; + if (x) { + resultObj$[k] = x; + } + } + return resultObj$; +}; +filter = curry$(function(f, object){ + var k, x, resultObj$ = {}; + for (k in object) { + x = object[k]; + if (f(x)) { + resultObj$[k] = x; + } + } + return resultObj$; +}); +reject = curry$(function(f, object){ + var k, x, resultObj$ = {}; + for (k in object) { + x = object[k]; + if (!f(x)) { + resultObj$[k] = x; + } + } + return resultObj$; +}); +partition = curry$(function(f, object){ + var passed, failed, k, x; + passed = {}; + failed = {}; + for (k in object) { + x = object[k]; + (f(x) ? passed : failed)[k] = x; + } + return [passed, failed]; +}); +find = curry$(function(f, object){ + var i$, x; + for (i$ in object) { + x = object[i$]; + if (f(x)) { + return x; + } + } +}); +module.exports = { + values: values, + keys: keys, + pairsToObj: pairsToObj, + objToPairs: objToPairs, + listsToObj: listsToObj, + objToLists: objToLists, + empty: empty, + each: each, + map: map, + filter: filter, + compact: compact, + reject: reject, + partition: partition, + find: find +}; +function curry$(f, bound){ + var context, + _curry = function(args) { + return f.length > 1 ? function(){ + var params = args ? args.concat() : []; + context = bound ? context || this : this; + return params.push.apply(params, arguments) < + f.length && arguments.length ? + _curry.call(context, params) : f.apply(context, params); + } : f; + }; + return _curry(); +} \ No newline at end of file diff --git a/module/node_modules/prelude-ls/lib/Str.js b/module/node_modules/prelude-ls/lib/Str.js new file mode 100644 index 000000000..59406d602 --- /dev/null +++ b/module/node_modules/prelude-ls/lib/Str.js @@ -0,0 +1,92 @@ +// Generated by LiveScript 1.6.0 +var split, join, lines, unlines, words, unwords, chars, unchars, reverse, repeat, capitalize, camelize, dasherize; +split = curry$(function(sep, str){ + return str.split(sep); +}); +join = curry$(function(sep, xs){ + return xs.join(sep); +}); +lines = function(str){ + if (!str.length) { + return []; + } + return str.split('\n'); +}; +unlines = function(it){ + return it.join('\n'); +}; +words = function(str){ + if (!str.length) { + return []; + } + return str.split(/[ ]+/); +}; +unwords = function(it){ + return it.join(' '); +}; +chars = function(it){ + return it.split(''); +}; +unchars = function(it){ + return it.join(''); +}; +reverse = function(str){ + return str.split('').reverse().join(''); +}; +repeat = curry$(function(n, str){ + var result, i$; + result = ''; + for (i$ = 0; i$ < n; ++i$) { + result += str; + } + return result; +}); +capitalize = function(str){ + return str.charAt(0).toUpperCase() + str.slice(1); +}; +camelize = function(it){ + return it.replace(/[-_]+(.)?/g, function(arg$, c){ + return (c != null ? c : '').toUpperCase(); + }); +}; +dasherize = function(str){ + return str.replace(/([^-A-Z])([A-Z]+)/g, function(arg$, lower, upper){ + return lower + "-" + (upper.length > 1 + ? upper + : upper.toLowerCase()); + }).replace(/^([A-Z]+)/, function(arg$, upper){ + if (upper.length > 1) { + return upper + "-"; + } else { + return upper.toLowerCase(); + } + }); +}; +module.exports = { + split: split, + join: join, + lines: lines, + unlines: unlines, + words: words, + unwords: unwords, + chars: chars, + unchars: unchars, + reverse: reverse, + repeat: repeat, + capitalize: capitalize, + camelize: camelize, + dasherize: dasherize +}; +function curry$(f, bound){ + var context, + _curry = function(args) { + return f.length > 1 ? function(){ + var params = args ? args.concat() : []; + context = bound ? context || this : this; + return params.push.apply(params, arguments) < + f.length && arguments.length ? + _curry.call(context, params) : f.apply(context, params); + } : f; + }; + return _curry(); +} \ No newline at end of file diff --git a/module/node_modules/prelude-ls/lib/index.js b/module/node_modules/prelude-ls/lib/index.js new file mode 100644 index 000000000..9dcbed46a --- /dev/null +++ b/module/node_modules/prelude-ls/lib/index.js @@ -0,0 +1,178 @@ +// Generated by LiveScript 1.6.0 +var Func, List, Obj, Str, Num, id, isType, replicate, prelude, toString$ = {}.toString; +Func = require('./Func.js'); +List = require('./List.js'); +Obj = require('./Obj.js'); +Str = require('./Str.js'); +Num = require('./Num.js'); +id = function(x){ + return x; +}; +isType = curry$(function(type, x){ + return toString$.call(x).slice(8, -1) === type; +}); +replicate = curry$(function(n, x){ + var i$, results$ = []; + for (i$ = 0; i$ < n; ++i$) { + results$.push(x); + } + return results$; +}); +Str.empty = List.empty; +Str.slice = List.slice; +Str.take = List.take; +Str.drop = List.drop; +Str.splitAt = List.splitAt; +Str.takeWhile = List.takeWhile; +Str.dropWhile = List.dropWhile; +Str.span = List.span; +Str.breakStr = List.breakList; +prelude = { + Func: Func, + List: List, + Obj: Obj, + Str: Str, + Num: Num, + id: id, + isType: isType, + replicate: replicate +}; +prelude.each = List.each; +prelude.map = List.map; +prelude.filter = List.filter; +prelude.compact = List.compact; +prelude.reject = List.reject; +prelude.partition = List.partition; +prelude.find = List.find; +prelude.head = List.head; +prelude.first = List.first; +prelude.tail = List.tail; +prelude.last = List.last; +prelude.initial = List.initial; +prelude.empty = List.empty; +prelude.reverse = List.reverse; +prelude.difference = List.difference; +prelude.intersection = List.intersection; +prelude.union = List.union; +prelude.countBy = List.countBy; +prelude.groupBy = List.groupBy; +prelude.fold = List.fold; +prelude.foldl = List.foldl; +prelude.fold1 = List.fold1; +prelude.foldl1 = List.foldl1; +prelude.foldr = List.foldr; +prelude.foldr1 = List.foldr1; +prelude.unfoldr = List.unfoldr; +prelude.andList = List.andList; +prelude.orList = List.orList; +prelude.any = List.any; +prelude.all = List.all; +prelude.unique = List.unique; +prelude.uniqueBy = List.uniqueBy; +prelude.sort = List.sort; +prelude.sortWith = List.sortWith; +prelude.sortBy = List.sortBy; +prelude.sum = List.sum; +prelude.product = List.product; +prelude.mean = List.mean; +prelude.average = List.average; +prelude.concat = List.concat; +prelude.concatMap = List.concatMap; +prelude.flatten = List.flatten; +prelude.maximum = List.maximum; +prelude.minimum = List.minimum; +prelude.maximumBy = List.maximumBy; +prelude.minimumBy = List.minimumBy; +prelude.scan = List.scan; +prelude.scanl = List.scanl; +prelude.scan1 = List.scan1; +prelude.scanl1 = List.scanl1; +prelude.scanr = List.scanr; +prelude.scanr1 = List.scanr1; +prelude.slice = List.slice; +prelude.take = List.take; +prelude.drop = List.drop; +prelude.splitAt = List.splitAt; +prelude.takeWhile = List.takeWhile; +prelude.dropWhile = List.dropWhile; +prelude.span = List.span; +prelude.breakList = List.breakList; +prelude.zip = List.zip; +prelude.zipWith = List.zipWith; +prelude.zipAll = List.zipAll; +prelude.zipAllWith = List.zipAllWith; +prelude.at = List.at; +prelude.elemIndex = List.elemIndex; +prelude.elemIndices = List.elemIndices; +prelude.findIndex = List.findIndex; +prelude.findIndices = List.findIndices; +prelude.apply = Func.apply; +prelude.curry = Func.curry; +prelude.flip = Func.flip; +prelude.fix = Func.fix; +prelude.over = Func.over; +prelude.split = Str.split; +prelude.join = Str.join; +prelude.lines = Str.lines; +prelude.unlines = Str.unlines; +prelude.words = Str.words; +prelude.unwords = Str.unwords; +prelude.chars = Str.chars; +prelude.unchars = Str.unchars; +prelude.repeat = Str.repeat; +prelude.capitalize = Str.capitalize; +prelude.camelize = Str.camelize; +prelude.dasherize = Str.dasherize; +prelude.values = Obj.values; +prelude.keys = Obj.keys; +prelude.pairsToObj = Obj.pairsToObj; +prelude.objToPairs = Obj.objToPairs; +prelude.listsToObj = Obj.listsToObj; +prelude.objToLists = Obj.objToLists; +prelude.max = Num.max; +prelude.min = Num.min; +prelude.negate = Num.negate; +prelude.abs = Num.abs; +prelude.signum = Num.signum; +prelude.quot = Num.quot; +prelude.rem = Num.rem; +prelude.div = Num.div; +prelude.mod = Num.mod; +prelude.recip = Num.recip; +prelude.pi = Num.pi; +prelude.tau = Num.tau; +prelude.exp = Num.exp; +prelude.sqrt = Num.sqrt; +prelude.ln = Num.ln; +prelude.pow = Num.pow; +prelude.sin = Num.sin; +prelude.tan = Num.tan; +prelude.cos = Num.cos; +prelude.acos = Num.acos; +prelude.asin = Num.asin; +prelude.atan = Num.atan; +prelude.atan2 = Num.atan2; +prelude.truncate = Num.truncate; +prelude.round = Num.round; +prelude.ceiling = Num.ceiling; +prelude.floor = Num.floor; +prelude.isItNaN = Num.isItNaN; +prelude.even = Num.even; +prelude.odd = Num.odd; +prelude.gcd = Num.gcd; +prelude.lcm = Num.lcm; +prelude.VERSION = '1.2.1'; +module.exports = prelude; +function curry$(f, bound){ + var context, + _curry = function(args) { + return f.length > 1 ? function(){ + var params = args ? args.concat() : []; + context = bound ? context || this : this; + return params.push.apply(params, arguments) < + f.length && arguments.length ? + _curry.call(context, params) : f.apply(context, params); + } : f; + }; + return _curry(); +} \ No newline at end of file diff --git a/module/node_modules/prelude-ls/package.json b/module/node_modules/prelude-ls/package.json new file mode 100644 index 000000000..c313c3da3 --- /dev/null +++ b/module/node_modules/prelude-ls/package.json @@ -0,0 +1,46 @@ +{ + "name": "prelude-ls", + "version": "1.2.1", + "author": "George Zahariev ", + "description": "prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.", + "keywords": [ + "prelude", + "livescript", + "utility", + "ls", + "coffeescript", + "javascript", + "library", + "functional", + "array", + "list", + "object", + "string" + ], + "main": "lib/", + "files": [ + "lib/", + "README.md", + "LICENSE" + ], + "homepage": "http://preludels.com", + "bugs": "https://github.com/gkz/prelude-ls/issues", + "license": "MIT", + "engines": { + "node": ">= 0.8.0" + }, + "repository": { + "type": "git", + "url": "git://github.com/gkz/prelude-ls.git" + }, + "scripts": { + "test": "make test" + }, + "devDependencies": { + "livescript": "^1.6.0", + "uglify-js": "^3.8.1", + "mocha": "^7.1.1", + "browserify": "^16.5.1", + "sinon": "~8.0.1" + } +} diff --git a/module/node_modules/punycode/LICENSE-MIT.txt b/module/node_modules/punycode/LICENSE-MIT.txt new file mode 100644 index 000000000..a41e0a7ef --- /dev/null +++ b/module/node_modules/punycode/LICENSE-MIT.txt @@ -0,0 +1,20 @@ +Copyright Mathias Bynens + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/punycode/README.md b/module/node_modules/punycode/README.md new file mode 100644 index 000000000..f611016b0 --- /dev/null +++ b/module/node_modules/punycode/README.md @@ -0,0 +1,148 @@ +# Punycode.js [![punycode on npm](https://img.shields.io/npm/v/punycode)](https://www.npmjs.com/package/punycode) [![](https://data.jsdelivr.com/v1/package/npm/punycode/badge)](https://www.jsdelivr.com/package/npm/punycode) + +Punycode.js is a robust Punycode converter that fully complies to [RFC 3492](https://tools.ietf.org/html/rfc3492) and [RFC 5891](https://tools.ietf.org/html/rfc5891). + +This JavaScript library is the result of comparing, optimizing and documenting different open-source implementations of the Punycode algorithm: + +* [The C example code from RFC 3492](https://tools.ietf.org/html/rfc3492#appendix-C) +* [`punycode.c` by _Markus W. Scherer_ (IBM)](http://opensource.apple.com/source/ICU/ICU-400.42/icuSources/common/punycode.c) +* [`punycode.c` by _Ben Noordhuis_](https://github.com/bnoordhuis/punycode/blob/master/punycode.c) +* [JavaScript implementation by _some_](http://stackoverflow.com/questions/183485/can-anyone-recommend-a-good-free-javascript-for-punycode-to-unicode-conversion/301287#301287) +* [`punycode.js` by _Ben Noordhuis_](https://github.com/joyent/node/blob/426298c8c1c0d5b5224ac3658c41e7c2a3fe9377/lib/punycode.js) (note: [not fully compliant](https://github.com/joyent/node/issues/2072)) + +This project was [bundled](https://github.com/joyent/node/blob/master/lib/punycode.js) with Node.js from [v0.6.2+](https://github.com/joyent/node/compare/975f1930b1...61e796decc) until [v7](https://github.com/nodejs/node/pull/7941) (soft-deprecated). + +This project provides a CommonJS module that uses ES2015+ features and JavaScript module, which work in modern Node.js versions and browsers. For the old Punycode.js version that offers the same functionality in a UMD build with support for older pre-ES2015 runtimes, including Rhino, Ringo, and Narwhal, see [v1.4.1](https://github.com/mathiasbynens/punycode.js/releases/tag/v1.4.1). + +## Installation + +Via [npm](https://www.npmjs.com/): + +```bash +npm install punycode --save +``` + +In [Node.js](https://nodejs.org/): + +> ⚠️ Note that userland modules don't hide core modules. +> For example, `require('punycode')` still imports the deprecated core module even if you executed `npm install punycode`. +> Use `require('punycode/')` to import userland modules rather than core modules. + +```js +const punycode = require('punycode/'); +``` + +## API + +### `punycode.decode(string)` + +Converts a Punycode string of ASCII symbols to a string of Unicode symbols. + +```js +// decode domain name parts +punycode.decode('maana-pta'); // 'mañana' +punycode.decode('--dqo34k'); // '☃-⌘' +``` + +### `punycode.encode(string)` + +Converts a string of Unicode symbols to a Punycode string of ASCII symbols. + +```js +// encode domain name parts +punycode.encode('mañana'); // 'maana-pta' +punycode.encode('☃-⌘'); // '--dqo34k' +``` + +### `punycode.toUnicode(input)` + +Converts a Punycode string representing a domain name or an email address to Unicode. Only the Punycoded parts of the input will be converted, i.e. it doesn’t matter if you call it on a string that has already been converted to Unicode. + +```js +// decode domain names +punycode.toUnicode('xn--maana-pta.com'); +// → 'mañana.com' +punycode.toUnicode('xn----dqo34k.com'); +// → '☃-⌘.com' + +// decode email addresses +punycode.toUnicode('джумла@xn--p-8sbkgc5ag7bhce.xn--ba-lmcq'); +// → 'джумла@джpумлатест.bрфa' +``` + +### `punycode.toASCII(input)` + +Converts a lowercased Unicode string representing a domain name or an email address to Punycode. Only the non-ASCII parts of the input will be converted, i.e. it doesn’t matter if you call it with a domain that’s already in ASCII. + +```js +// encode domain names +punycode.toASCII('mañana.com'); +// → 'xn--maana-pta.com' +punycode.toASCII('☃-⌘.com'); +// → 'xn----dqo34k.com' + +// encode email addresses +punycode.toASCII('джумла@джpумлатест.bрфa'); +// → 'джумла@xn--p-8sbkgc5ag7bhce.xn--ba-lmcq' +``` + +### `punycode.ucs2` + +#### `punycode.ucs2.decode(string)` + +Creates an array containing the numeric code point values of each Unicode symbol in the string. While [JavaScript uses UCS-2 internally](https://mathiasbynens.be/notes/javascript-encoding), this function will convert a pair of surrogate halves (each of which UCS-2 exposes as separate characters) into a single code point, matching UTF-16. + +```js +punycode.ucs2.decode('abc'); +// → [0x61, 0x62, 0x63] +// surrogate pair for U+1D306 TETRAGRAM FOR CENTRE: +punycode.ucs2.decode('\uD834\uDF06'); +// → [0x1D306] +``` + +#### `punycode.ucs2.encode(codePoints)` + +Creates a string based on an array of numeric code point values. + +```js +punycode.ucs2.encode([0x61, 0x62, 0x63]); +// → 'abc' +punycode.ucs2.encode([0x1D306]); +// → '\uD834\uDF06' +``` + +### `punycode.version` + +A string representing the current Punycode.js version number. + +## For maintainers + +### How to publish a new release + +1. On the `main` branch, bump the version number in `package.json`: + + ```sh + npm version patch -m 'Release v%s' + ``` + + Instead of `patch`, use `minor` or `major` [as needed](https://semver.org/). + + Note that this produces a Git commit + tag. + +1. Push the release commit and tag: + + ```sh + git push && git push --tags + ``` + + Our CI then automatically publishes the new release to npm, under both the [`punycode`](https://www.npmjs.com/package/punycode) and [`punycode.js`](https://www.npmjs.com/package/punycode.js) names. + +## Author + +| [![twitter/mathias](https://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") | +|---| +| [Mathias Bynens](https://mathiasbynens.be/) | + +## License + +Punycode.js is available under the [MIT](https://mths.be/mit) license. diff --git a/module/node_modules/punycode/package.json b/module/node_modules/punycode/package.json new file mode 100644 index 000000000..b8b76fc76 --- /dev/null +++ b/module/node_modules/punycode/package.json @@ -0,0 +1,58 @@ +{ + "name": "punycode", + "version": "2.3.1", + "description": "A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.", + "homepage": "https://mths.be/punycode", + "main": "punycode.js", + "jsnext:main": "punycode.es6.js", + "module": "punycode.es6.js", + "engines": { + "node": ">=6" + }, + "keywords": [ + "punycode", + "unicode", + "idn", + "idna", + "dns", + "url", + "domain" + ], + "license": "MIT", + "author": { + "name": "Mathias Bynens", + "url": "https://mathiasbynens.be/" + }, + "contributors": [ + { + "name": "Mathias Bynens", + "url": "https://mathiasbynens.be/" + } + ], + "repository": { + "type": "git", + "url": "https://github.com/mathiasbynens/punycode.js.git" + }, + "bugs": "https://github.com/mathiasbynens/punycode.js/issues", + "files": [ + "LICENSE-MIT.txt", + "punycode.js", + "punycode.es6.js" + ], + "scripts": { + "test": "mocha tests", + "build": "node scripts/prepublish.js" + }, + "devDependencies": { + "codecov": "^3.8.3", + "nyc": "^15.1.0", + "mocha": "^10.2.0" + }, + "jspm": { + "map": { + "./punycode.js": { + "node": "@node/punycode" + } + } + } +} diff --git a/module/node_modules/punycode/punycode.es6.js b/module/node_modules/punycode/punycode.es6.js new file mode 100644 index 000000000..dadece25b --- /dev/null +++ b/module/node_modules/punycode/punycode.es6.js @@ -0,0 +1,444 @@ +'use strict'; + +/** Highest positive signed 32-bit float value */ +const maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1 + +/** Bootstring parameters */ +const base = 36; +const tMin = 1; +const tMax = 26; +const skew = 38; +const damp = 700; +const initialBias = 72; +const initialN = 128; // 0x80 +const delimiter = '-'; // '\x2D' + +/** Regular expressions */ +const regexPunycode = /^xn--/; +const regexNonASCII = /[^\0-\x7F]/; // Note: U+007F DEL is excluded too. +const regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators + +/** Error messages */ +const errors = { + 'overflow': 'Overflow: input needs wider integers to process', + 'not-basic': 'Illegal input >= 0x80 (not a basic code point)', + 'invalid-input': 'Invalid input' +}; + +/** Convenience shortcuts */ +const baseMinusTMin = base - tMin; +const floor = Math.floor; +const stringFromCharCode = String.fromCharCode; + +/*--------------------------------------------------------------------------*/ + +/** + * A generic error utility function. + * @private + * @param {String} type The error type. + * @returns {Error} Throws a `RangeError` with the applicable error message. + */ +function error(type) { + throw new RangeError(errors[type]); +} + +/** + * A generic `Array#map` utility function. + * @private + * @param {Array} array The array to iterate over. + * @param {Function} callback The function that gets called for every array + * item. + * @returns {Array} A new array of values returned by the callback function. + */ +function map(array, callback) { + const result = []; + let length = array.length; + while (length--) { + result[length] = callback(array[length]); + } + return result; +} + +/** + * A simple `Array#map`-like wrapper to work with domain name strings or email + * addresses. + * @private + * @param {String} domain The domain name or email address. + * @param {Function} callback The function that gets called for every + * character. + * @returns {String} A new string of characters returned by the callback + * function. + */ +function mapDomain(domain, callback) { + const parts = domain.split('@'); + let result = ''; + if (parts.length > 1) { + // In email addresses, only the domain name should be punycoded. Leave + // the local part (i.e. everything up to `@`) intact. + result = parts[0] + '@'; + domain = parts[1]; + } + // Avoid `split(regex)` for IE8 compatibility. See #17. + domain = domain.replace(regexSeparators, '\x2E'); + const labels = domain.split('.'); + const encoded = map(labels, callback).join('.'); + return result + encoded; +} + +/** + * Creates an array containing the numeric code points of each Unicode + * character in the string. While JavaScript uses UCS-2 internally, + * this function will convert a pair of surrogate halves (each of which + * UCS-2 exposes as separate characters) into a single code point, + * matching UTF-16. + * @see `punycode.ucs2.encode` + * @see + * @memberOf punycode.ucs2 + * @name decode + * @param {String} string The Unicode input string (UCS-2). + * @returns {Array} The new array of code points. + */ +function ucs2decode(string) { + const output = []; + let counter = 0; + const length = string.length; + while (counter < length) { + const value = string.charCodeAt(counter++); + if (value >= 0xD800 && value <= 0xDBFF && counter < length) { + // It's a high surrogate, and there is a next character. + const extra = string.charCodeAt(counter++); + if ((extra & 0xFC00) == 0xDC00) { // Low surrogate. + output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); + } else { + // It's an unmatched surrogate; only append this code unit, in case the + // next code unit is the high surrogate of a surrogate pair. + output.push(value); + counter--; + } + } else { + output.push(value); + } + } + return output; +} + +/** + * Creates a string based on an array of numeric code points. + * @see `punycode.ucs2.decode` + * @memberOf punycode.ucs2 + * @name encode + * @param {Array} codePoints The array of numeric code points. + * @returns {String} The new Unicode string (UCS-2). + */ +const ucs2encode = codePoints => String.fromCodePoint(...codePoints); + +/** + * Converts a basic code point into a digit/integer. + * @see `digitToBasic()` + * @private + * @param {Number} codePoint The basic numeric code point value. + * @returns {Number} The numeric value of a basic code point (for use in + * representing integers) in the range `0` to `base - 1`, or `base` if + * the code point does not represent a value. + */ +const basicToDigit = function(codePoint) { + if (codePoint >= 0x30 && codePoint < 0x3A) { + return 26 + (codePoint - 0x30); + } + if (codePoint >= 0x41 && codePoint < 0x5B) { + return codePoint - 0x41; + } + if (codePoint >= 0x61 && codePoint < 0x7B) { + return codePoint - 0x61; + } + return base; +}; + +/** + * Converts a digit/integer into a basic code point. + * @see `basicToDigit()` + * @private + * @param {Number} digit The numeric value of a basic code point. + * @returns {Number} The basic code point whose value (when used for + * representing integers) is `digit`, which needs to be in the range + * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is + * used; else, the lowercase form is used. The behavior is undefined + * if `flag` is non-zero and `digit` has no uppercase form. + */ +const digitToBasic = function(digit, flag) { + // 0..25 map to ASCII a..z or A..Z + // 26..35 map to ASCII 0..9 + return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5); +}; + +/** + * Bias adaptation function as per section 3.4 of RFC 3492. + * https://tools.ietf.org/html/rfc3492#section-3.4 + * @private + */ +const adapt = function(delta, numPoints, firstTime) { + let k = 0; + delta = firstTime ? floor(delta / damp) : delta >> 1; + delta += floor(delta / numPoints); + for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) { + delta = floor(delta / baseMinusTMin); + } + return floor(k + (baseMinusTMin + 1) * delta / (delta + skew)); +}; + +/** + * Converts a Punycode string of ASCII-only symbols to a string of Unicode + * symbols. + * @memberOf punycode + * @param {String} input The Punycode string of ASCII-only symbols. + * @returns {String} The resulting string of Unicode symbols. + */ +const decode = function(input) { + // Don't use UCS-2. + const output = []; + const inputLength = input.length; + let i = 0; + let n = initialN; + let bias = initialBias; + + // Handle the basic code points: let `basic` be the number of input code + // points before the last delimiter, or `0` if there is none, then copy + // the first basic code points to the output. + + let basic = input.lastIndexOf(delimiter); + if (basic < 0) { + basic = 0; + } + + for (let j = 0; j < basic; ++j) { + // if it's not a basic code point + if (input.charCodeAt(j) >= 0x80) { + error('not-basic'); + } + output.push(input.charCodeAt(j)); + } + + // Main decoding loop: start just after the last delimiter if any basic code + // points were copied; start at the beginning otherwise. + + for (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) { + + // `index` is the index of the next character to be consumed. + // Decode a generalized variable-length integer into `delta`, + // which gets added to `i`. The overflow checking is easier + // if we increase `i` as we go, then subtract off its starting + // value at the end to obtain `delta`. + const oldi = i; + for (let w = 1, k = base; /* no condition */; k += base) { + + if (index >= inputLength) { + error('invalid-input'); + } + + const digit = basicToDigit(input.charCodeAt(index++)); + + if (digit >= base) { + error('invalid-input'); + } + if (digit > floor((maxInt - i) / w)) { + error('overflow'); + } + + i += digit * w; + const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); + + if (digit < t) { + break; + } + + const baseMinusT = base - t; + if (w > floor(maxInt / baseMinusT)) { + error('overflow'); + } + + w *= baseMinusT; + + } + + const out = output.length + 1; + bias = adapt(i - oldi, out, oldi == 0); + + // `i` was supposed to wrap around from `out` to `0`, + // incrementing `n` each time, so we'll fix that now: + if (floor(i / out) > maxInt - n) { + error('overflow'); + } + + n += floor(i / out); + i %= out; + + // Insert `n` at position `i` of the output. + output.splice(i++, 0, n); + + } + + return String.fromCodePoint(...output); +}; + +/** + * Converts a string of Unicode symbols (e.g. a domain name label) to a + * Punycode string of ASCII-only symbols. + * @memberOf punycode + * @param {String} input The string of Unicode symbols. + * @returns {String} The resulting Punycode string of ASCII-only symbols. + */ +const encode = function(input) { + const output = []; + + // Convert the input in UCS-2 to an array of Unicode code points. + input = ucs2decode(input); + + // Cache the length. + const inputLength = input.length; + + // Initialize the state. + let n = initialN; + let delta = 0; + let bias = initialBias; + + // Handle the basic code points. + for (const currentValue of input) { + if (currentValue < 0x80) { + output.push(stringFromCharCode(currentValue)); + } + } + + const basicLength = output.length; + let handledCPCount = basicLength; + + // `handledCPCount` is the number of code points that have been handled; + // `basicLength` is the number of basic code points. + + // Finish the basic string with a delimiter unless it's empty. + if (basicLength) { + output.push(delimiter); + } + + // Main encoding loop: + while (handledCPCount < inputLength) { + + // All non-basic code points < n have been handled already. Find the next + // larger one: + let m = maxInt; + for (const currentValue of input) { + if (currentValue >= n && currentValue < m) { + m = currentValue; + } + } + + // Increase `delta` enough to advance the decoder's state to , + // but guard against overflow. + const handledCPCountPlusOne = handledCPCount + 1; + if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) { + error('overflow'); + } + + delta += (m - n) * handledCPCountPlusOne; + n = m; + + for (const currentValue of input) { + if (currentValue < n && ++delta > maxInt) { + error('overflow'); + } + if (currentValue === n) { + // Represent delta as a generalized variable-length integer. + let q = delta; + for (let k = base; /* no condition */; k += base) { + const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); + if (q < t) { + break; + } + const qMinusT = q - t; + const baseMinusT = base - t; + output.push( + stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)) + ); + q = floor(qMinusT / baseMinusT); + } + + output.push(stringFromCharCode(digitToBasic(q, 0))); + bias = adapt(delta, handledCPCountPlusOne, handledCPCount === basicLength); + delta = 0; + ++handledCPCount; + } + } + + ++delta; + ++n; + + } + return output.join(''); +}; + +/** + * Converts a Punycode string representing a domain name or an email address + * to Unicode. Only the Punycoded parts of the input will be converted, i.e. + * it doesn't matter if you call it on a string that has already been + * converted to Unicode. + * @memberOf punycode + * @param {String} input The Punycoded domain name or email address to + * convert to Unicode. + * @returns {String} The Unicode representation of the given Punycode + * string. + */ +const toUnicode = function(input) { + return mapDomain(input, function(string) { + return regexPunycode.test(string) + ? decode(string.slice(4).toLowerCase()) + : string; + }); +}; + +/** + * Converts a Unicode string representing a domain name or an email address to + * Punycode. Only the non-ASCII parts of the domain name will be converted, + * i.e. it doesn't matter if you call it with a domain that's already in + * ASCII. + * @memberOf punycode + * @param {String} input The domain name or email address to convert, as a + * Unicode string. + * @returns {String} The Punycode representation of the given domain name or + * email address. + */ +const toASCII = function(input) { + return mapDomain(input, function(string) { + return regexNonASCII.test(string) + ? 'xn--' + encode(string) + : string; + }); +}; + +/*--------------------------------------------------------------------------*/ + +/** Define the public API */ +const punycode = { + /** + * A string representing the current Punycode.js version number. + * @memberOf punycode + * @type String + */ + 'version': '2.3.1', + /** + * An object of methods to convert from JavaScript's internal character + * representation (UCS-2) to Unicode code points, and back. + * @see + * @memberOf punycode + * @type Object + */ + 'ucs2': { + 'decode': ucs2decode, + 'encode': ucs2encode + }, + 'decode': decode, + 'encode': encode, + 'toASCII': toASCII, + 'toUnicode': toUnicode +}; + +export { ucs2decode, ucs2encode, decode, encode, toASCII, toUnicode }; +export default punycode; diff --git a/module/node_modules/punycode/punycode.js b/module/node_modules/punycode/punycode.js new file mode 100644 index 000000000..a1ef25192 --- /dev/null +++ b/module/node_modules/punycode/punycode.js @@ -0,0 +1,443 @@ +'use strict'; + +/** Highest positive signed 32-bit float value */ +const maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1 + +/** Bootstring parameters */ +const base = 36; +const tMin = 1; +const tMax = 26; +const skew = 38; +const damp = 700; +const initialBias = 72; +const initialN = 128; // 0x80 +const delimiter = '-'; // '\x2D' + +/** Regular expressions */ +const regexPunycode = /^xn--/; +const regexNonASCII = /[^\0-\x7F]/; // Note: U+007F DEL is excluded too. +const regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators + +/** Error messages */ +const errors = { + 'overflow': 'Overflow: input needs wider integers to process', + 'not-basic': 'Illegal input >= 0x80 (not a basic code point)', + 'invalid-input': 'Invalid input' +}; + +/** Convenience shortcuts */ +const baseMinusTMin = base - tMin; +const floor = Math.floor; +const stringFromCharCode = String.fromCharCode; + +/*--------------------------------------------------------------------------*/ + +/** + * A generic error utility function. + * @private + * @param {String} type The error type. + * @returns {Error} Throws a `RangeError` with the applicable error message. + */ +function error(type) { + throw new RangeError(errors[type]); +} + +/** + * A generic `Array#map` utility function. + * @private + * @param {Array} array The array to iterate over. + * @param {Function} callback The function that gets called for every array + * item. + * @returns {Array} A new array of values returned by the callback function. + */ +function map(array, callback) { + const result = []; + let length = array.length; + while (length--) { + result[length] = callback(array[length]); + } + return result; +} + +/** + * A simple `Array#map`-like wrapper to work with domain name strings or email + * addresses. + * @private + * @param {String} domain The domain name or email address. + * @param {Function} callback The function that gets called for every + * character. + * @returns {String} A new string of characters returned by the callback + * function. + */ +function mapDomain(domain, callback) { + const parts = domain.split('@'); + let result = ''; + if (parts.length > 1) { + // In email addresses, only the domain name should be punycoded. Leave + // the local part (i.e. everything up to `@`) intact. + result = parts[0] + '@'; + domain = parts[1]; + } + // Avoid `split(regex)` for IE8 compatibility. See #17. + domain = domain.replace(regexSeparators, '\x2E'); + const labels = domain.split('.'); + const encoded = map(labels, callback).join('.'); + return result + encoded; +} + +/** + * Creates an array containing the numeric code points of each Unicode + * character in the string. While JavaScript uses UCS-2 internally, + * this function will convert a pair of surrogate halves (each of which + * UCS-2 exposes as separate characters) into a single code point, + * matching UTF-16. + * @see `punycode.ucs2.encode` + * @see + * @memberOf punycode.ucs2 + * @name decode + * @param {String} string The Unicode input string (UCS-2). + * @returns {Array} The new array of code points. + */ +function ucs2decode(string) { + const output = []; + let counter = 0; + const length = string.length; + while (counter < length) { + const value = string.charCodeAt(counter++); + if (value >= 0xD800 && value <= 0xDBFF && counter < length) { + // It's a high surrogate, and there is a next character. + const extra = string.charCodeAt(counter++); + if ((extra & 0xFC00) == 0xDC00) { // Low surrogate. + output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); + } else { + // It's an unmatched surrogate; only append this code unit, in case the + // next code unit is the high surrogate of a surrogate pair. + output.push(value); + counter--; + } + } else { + output.push(value); + } + } + return output; +} + +/** + * Creates a string based on an array of numeric code points. + * @see `punycode.ucs2.decode` + * @memberOf punycode.ucs2 + * @name encode + * @param {Array} codePoints The array of numeric code points. + * @returns {String} The new Unicode string (UCS-2). + */ +const ucs2encode = codePoints => String.fromCodePoint(...codePoints); + +/** + * Converts a basic code point into a digit/integer. + * @see `digitToBasic()` + * @private + * @param {Number} codePoint The basic numeric code point value. + * @returns {Number} The numeric value of a basic code point (for use in + * representing integers) in the range `0` to `base - 1`, or `base` if + * the code point does not represent a value. + */ +const basicToDigit = function(codePoint) { + if (codePoint >= 0x30 && codePoint < 0x3A) { + return 26 + (codePoint - 0x30); + } + if (codePoint >= 0x41 && codePoint < 0x5B) { + return codePoint - 0x41; + } + if (codePoint >= 0x61 && codePoint < 0x7B) { + return codePoint - 0x61; + } + return base; +}; + +/** + * Converts a digit/integer into a basic code point. + * @see `basicToDigit()` + * @private + * @param {Number} digit The numeric value of a basic code point. + * @returns {Number} The basic code point whose value (when used for + * representing integers) is `digit`, which needs to be in the range + * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is + * used; else, the lowercase form is used. The behavior is undefined + * if `flag` is non-zero and `digit` has no uppercase form. + */ +const digitToBasic = function(digit, flag) { + // 0..25 map to ASCII a..z or A..Z + // 26..35 map to ASCII 0..9 + return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5); +}; + +/** + * Bias adaptation function as per section 3.4 of RFC 3492. + * https://tools.ietf.org/html/rfc3492#section-3.4 + * @private + */ +const adapt = function(delta, numPoints, firstTime) { + let k = 0; + delta = firstTime ? floor(delta / damp) : delta >> 1; + delta += floor(delta / numPoints); + for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) { + delta = floor(delta / baseMinusTMin); + } + return floor(k + (baseMinusTMin + 1) * delta / (delta + skew)); +}; + +/** + * Converts a Punycode string of ASCII-only symbols to a string of Unicode + * symbols. + * @memberOf punycode + * @param {String} input The Punycode string of ASCII-only symbols. + * @returns {String} The resulting string of Unicode symbols. + */ +const decode = function(input) { + // Don't use UCS-2. + const output = []; + const inputLength = input.length; + let i = 0; + let n = initialN; + let bias = initialBias; + + // Handle the basic code points: let `basic` be the number of input code + // points before the last delimiter, or `0` if there is none, then copy + // the first basic code points to the output. + + let basic = input.lastIndexOf(delimiter); + if (basic < 0) { + basic = 0; + } + + for (let j = 0; j < basic; ++j) { + // if it's not a basic code point + if (input.charCodeAt(j) >= 0x80) { + error('not-basic'); + } + output.push(input.charCodeAt(j)); + } + + // Main decoding loop: start just after the last delimiter if any basic code + // points were copied; start at the beginning otherwise. + + for (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) { + + // `index` is the index of the next character to be consumed. + // Decode a generalized variable-length integer into `delta`, + // which gets added to `i`. The overflow checking is easier + // if we increase `i` as we go, then subtract off its starting + // value at the end to obtain `delta`. + const oldi = i; + for (let w = 1, k = base; /* no condition */; k += base) { + + if (index >= inputLength) { + error('invalid-input'); + } + + const digit = basicToDigit(input.charCodeAt(index++)); + + if (digit >= base) { + error('invalid-input'); + } + if (digit > floor((maxInt - i) / w)) { + error('overflow'); + } + + i += digit * w; + const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); + + if (digit < t) { + break; + } + + const baseMinusT = base - t; + if (w > floor(maxInt / baseMinusT)) { + error('overflow'); + } + + w *= baseMinusT; + + } + + const out = output.length + 1; + bias = adapt(i - oldi, out, oldi == 0); + + // `i` was supposed to wrap around from `out` to `0`, + // incrementing `n` each time, so we'll fix that now: + if (floor(i / out) > maxInt - n) { + error('overflow'); + } + + n += floor(i / out); + i %= out; + + // Insert `n` at position `i` of the output. + output.splice(i++, 0, n); + + } + + return String.fromCodePoint(...output); +}; + +/** + * Converts a string of Unicode symbols (e.g. a domain name label) to a + * Punycode string of ASCII-only symbols. + * @memberOf punycode + * @param {String} input The string of Unicode symbols. + * @returns {String} The resulting Punycode string of ASCII-only symbols. + */ +const encode = function(input) { + const output = []; + + // Convert the input in UCS-2 to an array of Unicode code points. + input = ucs2decode(input); + + // Cache the length. + const inputLength = input.length; + + // Initialize the state. + let n = initialN; + let delta = 0; + let bias = initialBias; + + // Handle the basic code points. + for (const currentValue of input) { + if (currentValue < 0x80) { + output.push(stringFromCharCode(currentValue)); + } + } + + const basicLength = output.length; + let handledCPCount = basicLength; + + // `handledCPCount` is the number of code points that have been handled; + // `basicLength` is the number of basic code points. + + // Finish the basic string with a delimiter unless it's empty. + if (basicLength) { + output.push(delimiter); + } + + // Main encoding loop: + while (handledCPCount < inputLength) { + + // All non-basic code points < n have been handled already. Find the next + // larger one: + let m = maxInt; + for (const currentValue of input) { + if (currentValue >= n && currentValue < m) { + m = currentValue; + } + } + + // Increase `delta` enough to advance the decoder's state to , + // but guard against overflow. + const handledCPCountPlusOne = handledCPCount + 1; + if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) { + error('overflow'); + } + + delta += (m - n) * handledCPCountPlusOne; + n = m; + + for (const currentValue of input) { + if (currentValue < n && ++delta > maxInt) { + error('overflow'); + } + if (currentValue === n) { + // Represent delta as a generalized variable-length integer. + let q = delta; + for (let k = base; /* no condition */; k += base) { + const t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias); + if (q < t) { + break; + } + const qMinusT = q - t; + const baseMinusT = base - t; + output.push( + stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0)) + ); + q = floor(qMinusT / baseMinusT); + } + + output.push(stringFromCharCode(digitToBasic(q, 0))); + bias = adapt(delta, handledCPCountPlusOne, handledCPCount === basicLength); + delta = 0; + ++handledCPCount; + } + } + + ++delta; + ++n; + + } + return output.join(''); +}; + +/** + * Converts a Punycode string representing a domain name or an email address + * to Unicode. Only the Punycoded parts of the input will be converted, i.e. + * it doesn't matter if you call it on a string that has already been + * converted to Unicode. + * @memberOf punycode + * @param {String} input The Punycoded domain name or email address to + * convert to Unicode. + * @returns {String} The Unicode representation of the given Punycode + * string. + */ +const toUnicode = function(input) { + return mapDomain(input, function(string) { + return regexPunycode.test(string) + ? decode(string.slice(4).toLowerCase()) + : string; + }); +}; + +/** + * Converts a Unicode string representing a domain name or an email address to + * Punycode. Only the non-ASCII parts of the domain name will be converted, + * i.e. it doesn't matter if you call it with a domain that's already in + * ASCII. + * @memberOf punycode + * @param {String} input The domain name or email address to convert, as a + * Unicode string. + * @returns {String} The Punycode representation of the given domain name or + * email address. + */ +const toASCII = function(input) { + return mapDomain(input, function(string) { + return regexNonASCII.test(string) + ? 'xn--' + encode(string) + : string; + }); +}; + +/*--------------------------------------------------------------------------*/ + +/** Define the public API */ +const punycode = { + /** + * A string representing the current Punycode.js version number. + * @memberOf punycode + * @type String + */ + 'version': '2.3.1', + /** + * An object of methods to convert from JavaScript's internal character + * representation (UCS-2) to Unicode code points, and back. + * @see + * @memberOf punycode + * @type Object + */ + 'ucs2': { + 'decode': ucs2decode, + 'encode': ucs2encode + }, + 'decode': decode, + 'encode': encode, + 'toASCII': toASCII, + 'toUnicode': toUnicode +}; + +module.exports = punycode; diff --git a/module/node_modules/resolve-from/index.js b/module/node_modules/resolve-from/index.js new file mode 100644 index 000000000..d092447e9 --- /dev/null +++ b/module/node_modules/resolve-from/index.js @@ -0,0 +1,47 @@ +'use strict'; +const path = require('path'); +const Module = require('module'); +const fs = require('fs'); + +const resolveFrom = (fromDir, moduleId, silent) => { + if (typeof fromDir !== 'string') { + throw new TypeError(`Expected \`fromDir\` to be of type \`string\`, got \`${typeof fromDir}\``); + } + + if (typeof moduleId !== 'string') { + throw new TypeError(`Expected \`moduleId\` to be of type \`string\`, got \`${typeof moduleId}\``); + } + + try { + fromDir = fs.realpathSync(fromDir); + } catch (err) { + if (err.code === 'ENOENT') { + fromDir = path.resolve(fromDir); + } else if (silent) { + return null; + } else { + throw err; + } + } + + const fromFile = path.join(fromDir, 'noop.js'); + + const resolveFileName = () => Module._resolveFilename(moduleId, { + id: fromFile, + filename: fromFile, + paths: Module._nodeModulePaths(fromDir) + }); + + if (silent) { + try { + return resolveFileName(); + } catch (err) { + return null; + } + } + + return resolveFileName(); +}; + +module.exports = (fromDir, moduleId) => resolveFrom(fromDir, moduleId); +module.exports.silent = (fromDir, moduleId) => resolveFrom(fromDir, moduleId, true); diff --git a/module/node_modules/resolve-from/license b/module/node_modules/resolve-from/license new file mode 100644 index 000000000..e7af2f771 --- /dev/null +++ b/module/node_modules/resolve-from/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/resolve-from/package.json b/module/node_modules/resolve-from/package.json new file mode 100644 index 000000000..96bade588 --- /dev/null +++ b/module/node_modules/resolve-from/package.json @@ -0,0 +1,34 @@ +{ + "name": "resolve-from", + "version": "4.0.0", + "description": "Resolve the path of a module like `require.resolve()` but from a given path", + "license": "MIT", + "repository": "sindresorhus/resolve-from", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "engines": { + "node": ">=4" + }, + "scripts": { + "test": "xo && ava" + }, + "files": [ + "index.js" + ], + "keywords": [ + "require", + "resolve", + "path", + "module", + "from", + "like", + "import" + ], + "devDependencies": { + "ava": "*", + "xo": "*" + } +} diff --git a/module/node_modules/resolve-from/readme.md b/module/node_modules/resolve-from/readme.md new file mode 100644 index 000000000..e539f858e --- /dev/null +++ b/module/node_modules/resolve-from/readme.md @@ -0,0 +1,72 @@ +# resolve-from [![Build Status](https://travis-ci.org/sindresorhus/resolve-from.svg?branch=master)](https://travis-ci.org/sindresorhus/resolve-from) + +> Resolve the path of a module like [`require.resolve()`](https://nodejs.org/api/globals.html#globals_require_resolve) but from a given path + + +## Install + +``` +$ npm install resolve-from +``` + + +## Usage + +```js +const resolveFrom = require('resolve-from'); + +// There is a file at `./foo/bar.js` + +resolveFrom('foo', './bar'); +//=> '/Users/sindresorhus/dev/test/foo/bar.js' +``` + + +## API + +### resolveFrom(fromDir, moduleId) + +Like `require()`, throws when the module can't be found. + +### resolveFrom.silent(fromDir, moduleId) + +Returns `null` instead of throwing when the module can't be found. + +#### fromDir + +Type: `string` + +Directory to resolve from. + +#### moduleId + +Type: `string` + +What you would use in `require()`. + + +## Tip + +Create a partial using a bound function if you want to resolve from the same `fromDir` multiple times: + +```js +const resolveFromFoo = resolveFrom.bind(null, 'foo'); + +resolveFromFoo('./bar'); +resolveFromFoo('./baz'); +``` + + +## Related + +- [resolve-cwd](https://github.com/sindresorhus/resolve-cwd) - Resolve the path of a module from the current working directory +- [import-from](https://github.com/sindresorhus/import-from) - Import a module from a given path +- [import-cwd](https://github.com/sindresorhus/import-cwd) - Import a module from the current working directory +- [resolve-pkg](https://github.com/sindresorhus/resolve-pkg) - Resolve the path of a package regardless of it having an entry point +- [import-lazy](https://github.com/sindresorhus/import-lazy) - Import a module lazily +- [resolve-global](https://github.com/sindresorhus/resolve-global) - Resolve the path of a globally installed module + + +## License + +MIT © [Sindre Sorhus](https://sindresorhus.com) diff --git a/module/node_modules/shebang-command/index.js b/module/node_modules/shebang-command/index.js new file mode 100644 index 000000000..f35db3085 --- /dev/null +++ b/module/node_modules/shebang-command/index.js @@ -0,0 +1,19 @@ +'use strict'; +const shebangRegex = require('shebang-regex'); + +module.exports = (string = '') => { + const match = string.match(shebangRegex); + + if (!match) { + return null; + } + + const [path, argument] = match[0].replace(/#! ?/, '').split(' '); + const binary = path.split('/').pop(); + + if (binary === 'env') { + return argument; + } + + return argument ? `${binary} ${argument}` : binary; +}; diff --git a/module/node_modules/shebang-command/license b/module/node_modules/shebang-command/license new file mode 100644 index 000000000..db6bc32cc --- /dev/null +++ b/module/node_modules/shebang-command/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Kevin Mårtensson (github.com/kevva) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/shebang-command/package.json b/module/node_modules/shebang-command/package.json new file mode 100644 index 000000000..18e3c0463 --- /dev/null +++ b/module/node_modules/shebang-command/package.json @@ -0,0 +1,34 @@ +{ + "name": "shebang-command", + "version": "2.0.0", + "description": "Get the command from a shebang", + "license": "MIT", + "repository": "kevva/shebang-command", + "author": { + "name": "Kevin Mårtensson", + "email": "kevinmartensson@gmail.com", + "url": "github.com/kevva" + }, + "engines": { + "node": ">=8" + }, + "scripts": { + "test": "xo && ava" + }, + "files": [ + "index.js" + ], + "keywords": [ + "cmd", + "command", + "parse", + "shebang" + ], + "dependencies": { + "shebang-regex": "^3.0.0" + }, + "devDependencies": { + "ava": "^2.3.0", + "xo": "^0.24.0" + } +} diff --git a/module/node_modules/shebang-command/readme.md b/module/node_modules/shebang-command/readme.md new file mode 100644 index 000000000..84feb442d --- /dev/null +++ b/module/node_modules/shebang-command/readme.md @@ -0,0 +1,34 @@ +# shebang-command [![Build Status](https://travis-ci.org/kevva/shebang-command.svg?branch=master)](https://travis-ci.org/kevva/shebang-command) + +> Get the command from a shebang + + +## Install + +``` +$ npm install shebang-command +``` + + +## Usage + +```js +const shebangCommand = require('shebang-command'); + +shebangCommand('#!/usr/bin/env node'); +//=> 'node' + +shebangCommand('#!/bin/bash'); +//=> 'bash' +``` + + +## API + +### shebangCommand(string) + +#### string + +Type: `string` + +String containing a shebang. diff --git a/module/node_modules/shebang-regex/index.d.ts b/module/node_modules/shebang-regex/index.d.ts new file mode 100644 index 000000000..61d034b31 --- /dev/null +++ b/module/node_modules/shebang-regex/index.d.ts @@ -0,0 +1,22 @@ +/** +Regular expression for matching a [shebang](https://en.wikipedia.org/wiki/Shebang_(Unix)) line. + +@example +``` +import shebangRegex = require('shebang-regex'); + +const string = '#!/usr/bin/env node\nconsole.log("unicorns");'; + +shebangRegex.test(string); +//=> true + +shebangRegex.exec(string)[0]; +//=> '#!/usr/bin/env node' + +shebangRegex.exec(string)[1]; +//=> '/usr/bin/env node' +``` +*/ +declare const shebangRegex: RegExp; + +export = shebangRegex; diff --git a/module/node_modules/shebang-regex/index.js b/module/node_modules/shebang-regex/index.js new file mode 100644 index 000000000..63fc4a0b6 --- /dev/null +++ b/module/node_modules/shebang-regex/index.js @@ -0,0 +1,2 @@ +'use strict'; +module.exports = /^#!(.*)/; diff --git a/module/node_modules/shebang-regex/license b/module/node_modules/shebang-regex/license new file mode 100644 index 000000000..e7af2f771 --- /dev/null +++ b/module/node_modules/shebang-regex/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/shebang-regex/package.json b/module/node_modules/shebang-regex/package.json new file mode 100644 index 000000000..00ab30fee --- /dev/null +++ b/module/node_modules/shebang-regex/package.json @@ -0,0 +1,35 @@ +{ + "name": "shebang-regex", + "version": "3.0.0", + "description": "Regular expression for matching a shebang line", + "license": "MIT", + "repository": "sindresorhus/shebang-regex", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "engines": { + "node": ">=8" + }, + "scripts": { + "test": "xo && ava && tsd" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "keywords": [ + "regex", + "regexp", + "shebang", + "match", + "test", + "line" + ], + "devDependencies": { + "ava": "^1.4.1", + "tsd": "^0.7.2", + "xo": "^0.24.0" + } +} diff --git a/module/node_modules/shebang-regex/readme.md b/module/node_modules/shebang-regex/readme.md new file mode 100644 index 000000000..5ecf863aa --- /dev/null +++ b/module/node_modules/shebang-regex/readme.md @@ -0,0 +1,33 @@ +# shebang-regex [![Build Status](https://travis-ci.org/sindresorhus/shebang-regex.svg?branch=master)](https://travis-ci.org/sindresorhus/shebang-regex) + +> Regular expression for matching a [shebang](https://en.wikipedia.org/wiki/Shebang_(Unix)) line + + +## Install + +``` +$ npm install shebang-regex +``` + + +## Usage + +```js +const shebangRegex = require('shebang-regex'); + +const string = '#!/usr/bin/env node\nconsole.log("unicorns");'; + +shebangRegex.test(string); +//=> true + +shebangRegex.exec(string)[0]; +//=> '#!/usr/bin/env node' + +shebangRegex.exec(string)[1]; +//=> '/usr/bin/env node' +``` + + +## License + +MIT © [Sindre Sorhus](https://sindresorhus.com) diff --git a/module/node_modules/strip-json-comments/index.d.ts b/module/node_modules/strip-json-comments/index.d.ts new file mode 100644 index 000000000..28ba3c8a8 --- /dev/null +++ b/module/node_modules/strip-json-comments/index.d.ts @@ -0,0 +1,36 @@ +declare namespace stripJsonComments { + interface Options { + /** + Replace comments with whitespace instead of stripping them entirely. + + @default true + */ + readonly whitespace?: boolean; + } +} + +/** +Strip comments from JSON. Lets you use comments in your JSON files! + +It will replace single-line comments `//` and multi-line comments `/**\/` with whitespace. This allows JSON error positions to remain as close as possible to the original source. + +@param jsonString - Accepts a string with JSON. +@returns A JSON string without comments. + +@example +``` +const json = `{ + // Rainbows + "unicorn": "cake" +}`; + +JSON.parse(stripJsonComments(json)); +//=> {unicorn: 'cake'} +``` +*/ +declare function stripJsonComments( + jsonString: string, + options?: stripJsonComments.Options +): string; + +export = stripJsonComments; diff --git a/module/node_modules/strip-json-comments/index.js b/module/node_modules/strip-json-comments/index.js new file mode 100644 index 000000000..bb00b38ba --- /dev/null +++ b/module/node_modules/strip-json-comments/index.js @@ -0,0 +1,77 @@ +'use strict'; +const singleComment = Symbol('singleComment'); +const multiComment = Symbol('multiComment'); +const stripWithoutWhitespace = () => ''; +const stripWithWhitespace = (string, start, end) => string.slice(start, end).replace(/\S/g, ' '); + +const isEscaped = (jsonString, quotePosition) => { + let index = quotePosition - 1; + let backslashCount = 0; + + while (jsonString[index] === '\\') { + index -= 1; + backslashCount += 1; + } + + return Boolean(backslashCount % 2); +}; + +module.exports = (jsonString, options = {}) => { + if (typeof jsonString !== 'string') { + throw new TypeError(`Expected argument \`jsonString\` to be a \`string\`, got \`${typeof jsonString}\``); + } + + const strip = options.whitespace === false ? stripWithoutWhitespace : stripWithWhitespace; + + let insideString = false; + let insideComment = false; + let offset = 0; + let result = ''; + + for (let i = 0; i < jsonString.length; i++) { + const currentCharacter = jsonString[i]; + const nextCharacter = jsonString[i + 1]; + + if (!insideComment && currentCharacter === '"') { + const escaped = isEscaped(jsonString, i); + if (!escaped) { + insideString = !insideString; + } + } + + if (insideString) { + continue; + } + + if (!insideComment && currentCharacter + nextCharacter === '//') { + result += jsonString.slice(offset, i); + offset = i; + insideComment = singleComment; + i++; + } else if (insideComment === singleComment && currentCharacter + nextCharacter === '\r\n') { + i++; + insideComment = false; + result += strip(jsonString, offset, i); + offset = i; + continue; + } else if (insideComment === singleComment && currentCharacter === '\n') { + insideComment = false; + result += strip(jsonString, offset, i); + offset = i; + } else if (!insideComment && currentCharacter + nextCharacter === '/*') { + result += jsonString.slice(offset, i); + offset = i; + insideComment = multiComment; + i++; + continue; + } else if (insideComment === multiComment && currentCharacter + nextCharacter === '*/') { + i++; + insideComment = false; + result += strip(jsonString, offset, i + 1); + offset = i + 1; + continue; + } + } + + return result + (insideComment ? strip(jsonString.slice(offset)) : jsonString.slice(offset)); +}; diff --git a/module/node_modules/strip-json-comments/license b/module/node_modules/strip-json-comments/license new file mode 100644 index 000000000..fa7ceba3e --- /dev/null +++ b/module/node_modules/strip-json-comments/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (https://sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/strip-json-comments/package.json b/module/node_modules/strip-json-comments/package.json new file mode 100644 index 000000000..ce7875aa0 --- /dev/null +++ b/module/node_modules/strip-json-comments/package.json @@ -0,0 +1,47 @@ +{ + "name": "strip-json-comments", + "version": "3.1.1", + "description": "Strip comments from JSON. Lets you use comments in your JSON files!", + "license": "MIT", + "repository": "sindresorhus/strip-json-comments", + "funding": "https://github.com/sponsors/sindresorhus", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "https://sindresorhus.com" + }, + "engines": { + "node": ">=8" + }, + "scripts": { + "test": "xo && ava && tsd", + "bench": "matcha benchmark.js" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "keywords": [ + "json", + "strip", + "comments", + "remove", + "delete", + "trim", + "multiline", + "parse", + "config", + "configuration", + "settings", + "util", + "env", + "environment", + "jsonc" + ], + "devDependencies": { + "ava": "^1.4.1", + "matcha": "^0.7.0", + "tsd": "^0.7.2", + "xo": "^0.24.0" + } +} diff --git a/module/node_modules/strip-json-comments/readme.md b/module/node_modules/strip-json-comments/readme.md new file mode 100644 index 000000000..cc542e50c --- /dev/null +++ b/module/node_modules/strip-json-comments/readme.md @@ -0,0 +1,78 @@ +# strip-json-comments [![Build Status](https://travis-ci.com/sindresorhus/strip-json-comments.svg?branch=master)](https://travis-ci.com/github/sindresorhus/strip-json-comments) + +> Strip comments from JSON. Lets you use comments in your JSON files! + +This is now possible: + +```js +{ + // Rainbows + "unicorn": /* ❤ */ "cake" +} +``` + +It will replace single-line comments `//` and multi-line comments `/**/` with whitespace. This allows JSON error positions to remain as close as possible to the original source. + +Also available as a [Gulp](https://github.com/sindresorhus/gulp-strip-json-comments)/[Grunt](https://github.com/sindresorhus/grunt-strip-json-comments)/[Broccoli](https://github.com/sindresorhus/broccoli-strip-json-comments) plugin. + +## Install + +``` +$ npm install strip-json-comments +``` + +## Usage + +```js +const json = `{ + // Rainbows + "unicorn": /* ❤ */ "cake" +}`; + +JSON.parse(stripJsonComments(json)); +//=> {unicorn: 'cake'} +``` + +## API + +### stripJsonComments(jsonString, options?) + +#### jsonString + +Type: `string` + +Accepts a string with JSON and returns a string without comments. + +#### options + +Type: `object` + +##### whitespace + +Type: `boolean`\ +Default: `true` + +Replace comments with whitespace instead of stripping them entirely. + +## Benchmark + +``` +$ npm run bench +``` + +## Related + +- [strip-json-comments-cli](https://github.com/sindresorhus/strip-json-comments-cli) - CLI for this module +- [strip-css-comments](https://github.com/sindresorhus/strip-css-comments) - Strip comments from CSS + +--- + +
+ + Get professional support for this package with a Tidelift subscription + +
+ + Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies. + +
diff --git a/module/node_modules/supports-color/browser.js b/module/node_modules/supports-color/browser.js new file mode 100644 index 000000000..62afa3a74 --- /dev/null +++ b/module/node_modules/supports-color/browser.js @@ -0,0 +1,5 @@ +'use strict'; +module.exports = { + stdout: false, + stderr: false +}; diff --git a/module/node_modules/supports-color/index.js b/module/node_modules/supports-color/index.js new file mode 100644 index 000000000..6fada390f --- /dev/null +++ b/module/node_modules/supports-color/index.js @@ -0,0 +1,135 @@ +'use strict'; +const os = require('os'); +const tty = require('tty'); +const hasFlag = require('has-flag'); + +const {env} = process; + +let forceColor; +if (hasFlag('no-color') || + hasFlag('no-colors') || + hasFlag('color=false') || + hasFlag('color=never')) { + forceColor = 0; +} else if (hasFlag('color') || + hasFlag('colors') || + hasFlag('color=true') || + hasFlag('color=always')) { + forceColor = 1; +} + +if ('FORCE_COLOR' in env) { + if (env.FORCE_COLOR === 'true') { + forceColor = 1; + } else if (env.FORCE_COLOR === 'false') { + forceColor = 0; + } else { + forceColor = env.FORCE_COLOR.length === 0 ? 1 : Math.min(parseInt(env.FORCE_COLOR, 10), 3); + } +} + +function translateLevel(level) { + if (level === 0) { + return false; + } + + return { + level, + hasBasic: true, + has256: level >= 2, + has16m: level >= 3 + }; +} + +function supportsColor(haveStream, streamIsTTY) { + if (forceColor === 0) { + return 0; + } + + if (hasFlag('color=16m') || + hasFlag('color=full') || + hasFlag('color=truecolor')) { + return 3; + } + + if (hasFlag('color=256')) { + return 2; + } + + if (haveStream && !streamIsTTY && forceColor === undefined) { + return 0; + } + + const min = forceColor || 0; + + if (env.TERM === 'dumb') { + return min; + } + + if (process.platform === 'win32') { + // Windows 10 build 10586 is the first Windows release that supports 256 colors. + // Windows 10 build 14931 is the first release that supports 16m/TrueColor. + const osRelease = os.release().split('.'); + if ( + Number(osRelease[0]) >= 10 && + Number(osRelease[2]) >= 10586 + ) { + return Number(osRelease[2]) >= 14931 ? 3 : 2; + } + + return 1; + } + + if ('CI' in env) { + if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI', 'GITHUB_ACTIONS', 'BUILDKITE'].some(sign => sign in env) || env.CI_NAME === 'codeship') { + return 1; + } + + return min; + } + + if ('TEAMCITY_VERSION' in env) { + return /^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(env.TEAMCITY_VERSION) ? 1 : 0; + } + + if (env.COLORTERM === 'truecolor') { + return 3; + } + + if ('TERM_PROGRAM' in env) { + const version = parseInt((env.TERM_PROGRAM_VERSION || '').split('.')[0], 10); + + switch (env.TERM_PROGRAM) { + case 'iTerm.app': + return version >= 3 ? 3 : 2; + case 'Apple_Terminal': + return 2; + // No default + } + } + + if (/-256(color)?$/i.test(env.TERM)) { + return 2; + } + + if (/^screen|^xterm|^vt100|^vt220|^rxvt|color|ansi|cygwin|linux/i.test(env.TERM)) { + return 1; + } + + if ('COLORTERM' in env) { + return 1; + } + + return min; +} + +function getSupportLevel(stream) { + const level = supportsColor(stream, stream && stream.isTTY); + return translateLevel(level); +} + +module.exports = { + supportsColor: getSupportLevel, + stdout: translateLevel(supportsColor(true, tty.isatty(1))), + stderr: translateLevel(supportsColor(true, tty.isatty(2))) +}; diff --git a/module/node_modules/supports-color/license b/module/node_modules/supports-color/license new file mode 100644 index 000000000..e7af2f771 --- /dev/null +++ b/module/node_modules/supports-color/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/supports-color/package.json b/module/node_modules/supports-color/package.json new file mode 100644 index 000000000..f7182edce --- /dev/null +++ b/module/node_modules/supports-color/package.json @@ -0,0 +1,53 @@ +{ + "name": "supports-color", + "version": "7.2.0", + "description": "Detect whether a terminal supports color", + "license": "MIT", + "repository": "chalk/supports-color", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "sindresorhus.com" + }, + "engines": { + "node": ">=8" + }, + "scripts": { + "test": "xo && ava" + }, + "files": [ + "index.js", + "browser.js" + ], + "keywords": [ + "color", + "colour", + "colors", + "terminal", + "console", + "cli", + "ansi", + "styles", + "tty", + "rgb", + "256", + "shell", + "xterm", + "command-line", + "support", + "supports", + "capability", + "detect", + "truecolor", + "16m" + ], + "dependencies": { + "has-flag": "^4.0.0" + }, + "devDependencies": { + "ava": "^1.4.1", + "import-fresh": "^3.0.0", + "xo": "^0.24.0" + }, + "browser": "browser.js" +} diff --git a/module/node_modules/supports-color/readme.md b/module/node_modules/supports-color/readme.md new file mode 100644 index 000000000..365422858 --- /dev/null +++ b/module/node_modules/supports-color/readme.md @@ -0,0 +1,76 @@ +# supports-color [![Build Status](https://travis-ci.org/chalk/supports-color.svg?branch=master)](https://travis-ci.org/chalk/supports-color) + +> Detect whether a terminal supports color + + +## Install + +``` +$ npm install supports-color +``` + + +## Usage + +```js +const supportsColor = require('supports-color'); + +if (supportsColor.stdout) { + console.log('Terminal stdout supports color'); +} + +if (supportsColor.stdout.has256) { + console.log('Terminal stdout supports 256 colors'); +} + +if (supportsColor.stderr.has16m) { + console.log('Terminal stderr supports 16 million colors (truecolor)'); +} +``` + + +## API + +Returns an `Object` with a `stdout` and `stderr` property for testing either streams. Each property is an `Object`, or `false` if color is not supported. + +The `stdout`/`stderr` objects specifies a level of support for color through a `.level` property and a corresponding flag: + +- `.level = 1` and `.hasBasic = true`: Basic color support (16 colors) +- `.level = 2` and `.has256 = true`: 256 color support +- `.level = 3` and `.has16m = true`: Truecolor support (16 million colors) + + +## Info + +It obeys the `--color` and `--no-color` CLI flags. + +For situations where using `--color` is not possible, use the environment variable `FORCE_COLOR=1` (level 1), `FORCE_COLOR=2` (level 2), or `FORCE_COLOR=3` (level 3) to forcefully enable color, or `FORCE_COLOR=0` to forcefully disable. The use of `FORCE_COLOR` overrides all other color support checks. + +Explicit 256/Truecolor mode can be enabled using the `--color=256` and `--color=16m` flags, respectively. + + +## Related + +- [supports-color-cli](https://github.com/chalk/supports-color-cli) - CLI for this module +- [chalk](https://github.com/chalk/chalk) - Terminal string styling done right + + +## Maintainers + +- [Sindre Sorhus](https://github.com/sindresorhus) +- [Josh Junon](https://github.com/qix-) + + +--- + +
+ + Get professional support for this package with a Tidelift subscription + +
+ + Tidelift helps make open source sustainable for maintainers while giving companies
assurances about security, maintenance, and licensing for their dependencies. + +
+ +--- diff --git a/module/node_modules/type-check/LICENSE b/module/node_modules/type-check/LICENSE new file mode 100644 index 000000000..525b11850 --- /dev/null +++ b/module/node_modules/type-check/LICENSE @@ -0,0 +1,22 @@ +Copyright (c) George Zahariev + +Permission is hereby granted, free of charge, to any person +obtaining a copy of this software and associated documentation +files (the "Software"), to deal in the Software without +restriction, including without limitation the rights to use, +copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES +OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/type-check/README.md b/module/node_modules/type-check/README.md new file mode 100644 index 000000000..b170d67c2 --- /dev/null +++ b/module/node_modules/type-check/README.md @@ -0,0 +1,210 @@ +# type-check [![Build Status](https://travis-ci.org/gkz/type-check.png?branch=master)](https://travis-ci.org/gkz/type-check) + + + +`type-check` is a library which allows you to check the types of JavaScript values at runtime with a Haskell like type syntax. It is great for checking external input, for testing, or even for adding a bit of safety to your internal code. It is a major component of [levn](https://github.com/gkz/levn). MIT license. Version 0.4.0. Check out the [demo](http://gkz.github.io/type-check/). + +For updates on `type-check`, [follow me on twitter](https://twitter.com/gkzahariev). + + npm install type-check + +## Quick Examples + +```js +// Basic types: +var typeCheck = require('type-check').typeCheck; +typeCheck('Number', 1); // true +typeCheck('Number', 'str'); // false +typeCheck('Error', new Error); // true +typeCheck('Undefined', undefined); // true + +// Comment +typeCheck('count::Number', 1); // true + +// One type OR another type: +typeCheck('Number | String', 2); // true +typeCheck('Number | String', 'str'); // true + +// Wildcard, matches all types: +typeCheck('*', 2) // true + +// Array, all elements of a single type: +typeCheck('[Number]', [1, 2, 3]); // true +typeCheck('[Number]', [1, 'str', 3]); // false + +// Tuples, or fixed length arrays with elements of different types: +typeCheck('(String, Number)', ['str', 2]); // true +typeCheck('(String, Number)', ['str']); // false +typeCheck('(String, Number)', ['str', 2, 5]); // false + +// Object properties: +typeCheck('{x: Number, y: Boolean}', {x: 2, y: false}); // true +typeCheck('{x: Number, y: Boolean}', {x: 2}); // false +typeCheck('{x: Number, y: Maybe Boolean}', {x: 2}); // true +typeCheck('{x: Number, y: Boolean}', {x: 2, y: false, z: 3}); // false +typeCheck('{x: Number, y: Boolean, ...}', {x: 2, y: false, z: 3}); // true + +// A particular type AND object properties: +typeCheck('RegExp{source: String, ...}', /re/i); // true +typeCheck('RegExp{source: String, ...}', {source: 're'}); // false + +// Custom types: +var opt = {customTypes: + {Even: { typeOf: 'Number', validate: function(x) { return x % 2 === 0; }}}}; +typeCheck('Even', 2, opt); // true + +// Nested: +var type = '{a: (String, [Number], {y: Array, ...}), b: Error{message: String, ...}}' +typeCheck(type, {a: ['hi', [1, 2, 3], {y: [1, 'ms']}], b: new Error('oh no')}); // true +``` + +Check out the [type syntax format](#syntax) and [guide](#guide). + +## Usage + +`require('type-check');` returns an object that exposes four properties. `VERSION` is the current version of the library as a string. `typeCheck`, `parseType`, and `parsedTypeCheck` are functions. + +```js +// typeCheck(type, input, options); +typeCheck('Number', 2); // true + +// parseType(type); +var parsedType = parseType('Number'); // object + +// parsedTypeCheck(parsedType, input, options); +parsedTypeCheck(parsedType, 2); // true +``` + +### typeCheck(type, input, options) + +`typeCheck` checks a JavaScript value `input` against `type` written in the [type format](#type-format) (and taking account the optional `options`) and returns whether the `input` matches the `type`. + +##### arguments +* type - `String` - the type written in the [type format](#type-format) which to check against +* input - `*` - any JavaScript value, which is to be checked against the type +* options - `Maybe Object` - an optional parameter specifying additional options, currently the only available option is specifying [custom types](#custom-types) + +##### returns +`Boolean` - whether the input matches the type + +##### example +```js +typeCheck('Number', 2); // true +``` + +### parseType(type) + +`parseType` parses string `type` written in the [type format](#type-format) into an object representing the parsed type. + +##### arguments +* type - `String` - the type written in the [type format](#type-format) which to parse + +##### returns +`Object` - an object in the parsed type format representing the parsed type + +##### example +```js +parseType('Number'); // [{type: 'Number'}] +``` +### parsedTypeCheck(parsedType, input, options) + +`parsedTypeCheck` checks a JavaScript value `input` against parsed `type` in the parsed type format (and taking account the optional `options`) and returns whether the `input` matches the `type`. Use this in conjunction with `parseType` if you are going to use a type more than once. + +##### arguments +* type - `Object` - the type in the parsed type format which to check against +* input - `*` - any JavaScript value, which is to be checked against the type +* options - `Maybe Object` - an optional parameter specifying additional options, currently the only available option is specifying [custom types](#custom-types) + +##### returns +`Boolean` - whether the input matches the type + +##### example +```js +parsedTypeCheck([{type: 'Number'}], 2); // true +var parsedType = parseType('String'); +parsedTypeCheck(parsedType, 'str'); // true +``` + + +## Type Format + +### Syntax + +White space is ignored. The root node is a __Types__. + +* __Identifier__ = `[\$\w]+` - a group of any lower or upper case letters, numbers, underscores, or dollar signs - eg. `String` +* __Type__ = an `Identifier`, an `Identifier` followed by a `Structure`, just a `Structure`, or a wildcard `*` - eg. `String`, `Object{x: Number}`, `{x: Number}`, `Array{0: String, 1: Boolean, length: Number}`, `*` +* __Types__ = optionally a comment (an `Identifier` followed by a `::`), optionally the identifier `Maybe`, one or more `Type`, separated by `|` - eg. `Number`, `String | Date`, `Maybe Number`, `Maybe Boolean | String` +* __Structure__ = `Fields`, or a `Tuple`, or an `Array` - eg. `{x: Number}`, `(String, Number)`, `[Date]` +* __Fields__ = a `{`, followed one or more `Field` separated by a comma `,` (trailing comma `,` is permitted), optionally an `...` (always preceded by a comma `,`), followed by a `}` - eg. `{x: Number, y: String}`, `{k: Function, ...}` +* __Field__ = an `Identifier`, followed by a colon `:`, followed by `Types` - eg. `x: Date | String`, `y: Boolean` +* __Tuple__ = a `(`, followed by one or more `Types` separated by a comma `,` (trailing comma `,` is permitted), followed by a `)` - eg `(Date)`, `(Number, Date)` +* __Array__ = a `[` followed by exactly one `Types` followed by a `]` - eg. `[Boolean]`, `[Boolean | Null]` + +### Guide + +`type-check` uses `Object.toString` to find out the basic type of a value. Specifically, + +```js +{}.toString.call(VALUE).slice(8, -1) +{}.toString.call(true).slice(8, -1) // 'Boolean' +``` +A basic type, eg. `Number`, uses this check. This is much more versatile than using `typeof` - for example, with `document`, `typeof` produces `'object'` which isn't that useful, and our technique produces `'HTMLDocument'`. + +You may check for multiple types by separating types with a `|`. The checker proceeds from left to right, and passes if the value is any of the types - eg. `String | Boolean` first checks if the value is a string, and then if it is a boolean. If it is none of those, then it returns false. + +Adding a `Maybe` in front of a list of multiple types is the same as also checking for `Null` and `Undefined` - eg. `Maybe String` is equivalent to `Undefined | Null | String`. + +You may add a comment to remind you of what the type is for by following an identifier with a `::` before a type (or multiple types). The comment is simply thrown out. + +The wildcard `*` matches all types. + +There are three types of structures for checking the contents of a value: 'fields', 'tuple', and 'array'. + +If used by itself, a 'fields' structure will pass with any type of object as long as it is an instance of `Object` and the properties pass - this allows for duck typing - eg. `{x: Boolean}`. + +To check if the properties pass, and the value is of a certain type, you can specify the type - eg. `Error{message: String}`. + +If you want to make a field optional, you can simply use `Maybe` - eg. `{x: Boolean, y: Maybe String}` will still pass if `y` is undefined (or null). + +If you don't care if the value has properties beyond what you have specified, you can use the 'etc' operator `...` - eg. `{x: Boolean, ...}` will match an object with an `x` property that is a boolean, and with zero or more other properties. + +For an array, you must specify one or more types (separated by `|`) - it will pass for something of any length as long as each element passes the types provided - eg. `[Number]`, `[Number | String]`. + +A tuple checks for a fixed number of elements, each of a potentially different type. Each element is separated by a comma - eg. `(String, Number)`. + +An array and tuple structure check that the value is of type `Array` by default, but if another type is specified, they will check for that instead - eg. `Int32Array[Number]`. You can use the wildcard `*` to search for any type at all. + +Check out the [type precedence](https://github.com/zaboco/type-precedence) library for type-check. + +## Options + +Options is an object. It is an optional parameter to the `typeCheck` and `parsedTypeCheck` functions. The only current option is `customTypes`. + + +### Custom Types + +__Example:__ + +```js +var options = { + customTypes: { + Even: { + typeOf: 'Number', + validate: function(x) { + return x % 2 === 0; + } + } + } +}; +typeCheck('Even', 2, options); // true +typeCheck('Even', 3, options); // false +``` + +`customTypes` allows you to set up custom types for validation. The value of this is an object. The keys of the object are the types you will be matching. Each value of the object will be an object having a `typeOf` property - a string, and `validate` property - a function. + +The `typeOf` property is the type the value should be (optional - if not set only `validate` will be used), and `validate` is a function which should return true if the value is of that type. `validate` receives one parameter, which is the value that we are checking. + +## Technical About + +`type-check` is written in [LiveScript](http://livescript.net/) - a language that compiles to JavaScript. It also uses the [prelude.ls](http://preludels.com/) library. diff --git a/module/node_modules/type-check/lib/check.js b/module/node_modules/type-check/lib/check.js new file mode 100644 index 000000000..f78687ee0 --- /dev/null +++ b/module/node_modules/type-check/lib/check.js @@ -0,0 +1,128 @@ +// Generated by LiveScript 1.6.0 +(function(){ + var ref$, any, all, isItNaN, types, defaultType, toString$ = {}.toString; + ref$ = require('prelude-ls'), any = ref$.any, all = ref$.all, isItNaN = ref$.isItNaN; + types = { + Number: { + typeOf: 'Number', + validate: function(it){ + return !isItNaN(it); + } + }, + NaN: { + typeOf: 'Number', + validate: isItNaN + }, + Int: { + typeOf: 'Number', + validate: function(it){ + return !isItNaN(it) && it % 1 === 0; + } + }, + Float: { + typeOf: 'Number', + validate: function(it){ + return !isItNaN(it); + } + }, + Date: { + typeOf: 'Date', + validate: function(it){ + return !isItNaN(it.getTime()); + } + } + }; + defaultType = { + array: 'Array', + tuple: 'Array' + }; + function checkArray(input, type, options){ + return all(function(it){ + return checkMultiple(it, type.of, options); + }, input); + } + function checkTuple(input, type, options){ + var i, i$, ref$, len$, types; + i = 0; + for (i$ = 0, len$ = (ref$ = type.of).length; i$ < len$; ++i$) { + types = ref$[i$]; + if (!checkMultiple(input[i], types, options)) { + return false; + } + i++; + } + return input.length <= i; + } + function checkFields(input, type, options){ + var inputKeys, numInputKeys, k, numOfKeys, key, ref$, types; + inputKeys = {}; + numInputKeys = 0; + for (k in input) { + inputKeys[k] = true; + numInputKeys++; + } + numOfKeys = 0; + for (key in ref$ = type.of) { + types = ref$[key]; + if (!checkMultiple(input[key], types, options)) { + return false; + } + if (inputKeys[key]) { + numOfKeys++; + } + } + return type.subset || numInputKeys === numOfKeys; + } + function checkStructure(input, type, options){ + if (!(input instanceof Object)) { + return false; + } + switch (type.structure) { + case 'fields': + return checkFields(input, type, options); + case 'array': + return checkArray(input, type, options); + case 'tuple': + return checkTuple(input, type, options); + } + } + function check(input, typeObj, options){ + var type, structure, setting, that; + type = typeObj.type, structure = typeObj.structure; + if (type) { + if (type === '*') { + return true; + } + setting = options.customTypes[type] || types[type]; + if (setting) { + return (setting.typeOf === void 8 || setting.typeOf === toString$.call(input).slice(8, -1)) && setting.validate(input); + } else { + return type === toString$.call(input).slice(8, -1) && (!structure || checkStructure(input, typeObj, options)); + } + } else if (structure) { + if (that = defaultType[structure]) { + if (that !== toString$.call(input).slice(8, -1)) { + return false; + } + } + return checkStructure(input, typeObj, options); + } else { + throw new Error("No type defined. Input: " + input + "."); + } + } + function checkMultiple(input, types, options){ + if (toString$.call(types).slice(8, -1) !== 'Array') { + throw new Error("Types must be in an array. Input: " + input + "."); + } + return any(function(it){ + return check(input, it, options); + }, types); + } + module.exports = function(parsedType, input, options){ + options == null && (options = {}); + if (options.customTypes == null) { + options.customTypes = {}; + } + return checkMultiple(input, parsedType, options); + }; +}).call(this); diff --git a/module/node_modules/type-check/lib/index.js b/module/node_modules/type-check/lib/index.js new file mode 100644 index 000000000..09db4cb61 --- /dev/null +++ b/module/node_modules/type-check/lib/index.js @@ -0,0 +1,16 @@ +// Generated by LiveScript 1.6.0 +(function(){ + var VERSION, parseType, parsedTypeCheck, typeCheck; + VERSION = '0.4.0'; + parseType = require('./parse-type'); + parsedTypeCheck = require('./check'); + typeCheck = function(type, input, options){ + return parsedTypeCheck(parseType(type), input, options); + }; + module.exports = { + VERSION: VERSION, + typeCheck: typeCheck, + parsedTypeCheck: parsedTypeCheck, + parseType: parseType + }; +}).call(this); diff --git a/module/node_modules/type-check/lib/parse-type.js b/module/node_modules/type-check/lib/parse-type.js new file mode 100644 index 000000000..c360c9733 --- /dev/null +++ b/module/node_modules/type-check/lib/parse-type.js @@ -0,0 +1,198 @@ +// Generated by LiveScript 1.6.0 +(function(){ + var identifierRegex, tokenRegex; + identifierRegex = /[\$\w]+/; + function peek(tokens){ + var token; + token = tokens[0]; + if (token == null) { + throw new Error('Unexpected end of input.'); + } + return token; + } + function consumeIdent(tokens){ + var token; + token = peek(tokens); + if (!identifierRegex.test(token)) { + throw new Error("Expected text, got '" + token + "' instead."); + } + return tokens.shift(); + } + function consumeOp(tokens, op){ + var token; + token = peek(tokens); + if (token !== op) { + throw new Error("Expected '" + op + "', got '" + token + "' instead."); + } + return tokens.shift(); + } + function maybeConsumeOp(tokens, op){ + var token; + token = tokens[0]; + if (token === op) { + return tokens.shift(); + } else { + return null; + } + } + function consumeArray(tokens){ + var types; + consumeOp(tokens, '['); + if (peek(tokens) === ']') { + throw new Error("Must specify type of Array - eg. [Type], got [] instead."); + } + types = consumeTypes(tokens); + consumeOp(tokens, ']'); + return { + structure: 'array', + of: types + }; + } + function consumeTuple(tokens){ + var components; + components = []; + consumeOp(tokens, '('); + if (peek(tokens) === ')') { + throw new Error("Tuple must be of at least length 1 - eg. (Type), got () instead."); + } + for (;;) { + components.push(consumeTypes(tokens)); + maybeConsumeOp(tokens, ','); + if (')' === peek(tokens)) { + break; + } + } + consumeOp(tokens, ')'); + return { + structure: 'tuple', + of: components + }; + } + function consumeFields(tokens){ + var fields, subset, ref$, key, types; + fields = {}; + consumeOp(tokens, '{'); + subset = false; + for (;;) { + if (maybeConsumeOp(tokens, '...')) { + subset = true; + break; + } + ref$ = consumeField(tokens), key = ref$[0], types = ref$[1]; + fields[key] = types; + maybeConsumeOp(tokens, ','); + if ('}' === peek(tokens)) { + break; + } + } + consumeOp(tokens, '}'); + return { + structure: 'fields', + of: fields, + subset: subset + }; + } + function consumeField(tokens){ + var key, types; + key = consumeIdent(tokens); + consumeOp(tokens, ':'); + types = consumeTypes(tokens); + return [key, types]; + } + function maybeConsumeStructure(tokens){ + switch (tokens[0]) { + case '[': + return consumeArray(tokens); + case '(': + return consumeTuple(tokens); + case '{': + return consumeFields(tokens); + } + } + function consumeType(tokens){ + var token, wildcard, type, structure; + token = peek(tokens); + wildcard = token === '*'; + if (wildcard || identifierRegex.test(token)) { + type = wildcard + ? consumeOp(tokens, '*') + : consumeIdent(tokens); + structure = maybeConsumeStructure(tokens); + if (structure) { + return structure.type = type, structure; + } else { + return { + type: type + }; + } + } else { + structure = maybeConsumeStructure(tokens); + if (!structure) { + throw new Error("Unexpected character: " + token); + } + return structure; + } + } + function consumeTypes(tokens){ + var lookahead, types, typesSoFar, typeObj, type, structure; + if ('::' === peek(tokens)) { + throw new Error("No comment before comment separator '::' found."); + } + lookahead = tokens[1]; + if (lookahead != null && lookahead === '::') { + tokens.shift(); + tokens.shift(); + } + types = []; + typesSoFar = {}; + if ('Maybe' === peek(tokens)) { + tokens.shift(); + types = [ + { + type: 'Undefined' + }, { + type: 'Null' + } + ]; + typesSoFar = { + Undefined: true, + Null: true + }; + } + for (;;) { + typeObj = consumeType(tokens), type = typeObj.type, structure = typeObj.structure; + if (!typesSoFar[type]) { + types.push(typeObj); + } + if (structure == null) { + typesSoFar[type] = true; + } + if (!maybeConsumeOp(tokens, '|')) { + break; + } + } + return types; + } + tokenRegex = RegExp('\\.\\.\\.|::|->|' + identifierRegex.source + '|\\S', 'g'); + module.exports = function(input){ + var tokens, e; + if (!input.length) { + throw new Error('No type specified.'); + } + tokens = input.match(tokenRegex) || []; + if (in$('->', tokens)) { + throw new Error("Function types are not supported.\ To validate that something is a function, you may use 'Function'."); + } + try { + return consumeTypes(tokens); + } catch (e$) { + e = e$; + throw new Error(e.message + " - Remaining tokens: " + JSON.stringify(tokens) + " - Initial input: '" + input + "'"); + } + }; + function in$(x, xs){ + var i = -1, l = xs.length >>> 0; + while (++i < l) if (x === xs[i]) return true; + return false; + } +}).call(this); diff --git a/module/node_modules/type-check/package.json b/module/node_modules/type-check/package.json new file mode 100644 index 000000000..2a57ea064 --- /dev/null +++ b/module/node_modules/type-check/package.json @@ -0,0 +1,39 @@ +{ + "name": "type-check", + "version": "0.4.0", + "author": "George Zahariev ", + "description": "type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.", + "homepage": "https://github.com/gkz/type-check", + "keywords": [ + "type", + "check", + "checking", + "library" + ], + "files": [ + "lib", + "README.md", + "LICENSE" + ], + "main": "./lib/", + "bugs": "https://github.com/gkz/type-check/issues", + "license": "MIT", + "engines": { + "node": ">= 0.8.0" + }, + "repository": { + "type": "git", + "url": "git://github.com/gkz/type-check.git" + }, + "scripts": { + "test": "make test" + }, + "dependencies": { + "prelude-ls": "^1.2.1" + }, + "devDependencies": { + "livescript": "^1.6.0", + "mocha": "^7.1.1", + "browserify": "^16.5.1" + } +} diff --git a/module/node_modules/uri-js/LICENSE b/module/node_modules/uri-js/LICENSE new file mode 100644 index 000000000..9338bde8e --- /dev/null +++ b/module/node_modules/uri-js/LICENSE @@ -0,0 +1,11 @@ +Copyright 2011 Gary Court. All rights reserved. + +Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: + +1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. + +THIS SOFTWARE IS PROVIDED BY GARY COURT "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +The views and conclusions contained in the software and documentation are those of the authors and should not be interpreted as representing official policies, either expressed or implied, of Gary Court. diff --git a/module/node_modules/uri-js/README.md b/module/node_modules/uri-js/README.md new file mode 100644 index 000000000..43e648bba --- /dev/null +++ b/module/node_modules/uri-js/README.md @@ -0,0 +1,203 @@ +# URI.js + +URI.js is an [RFC 3986](http://www.ietf.org/rfc/rfc3986.txt) compliant, scheme extendable URI parsing/validating/resolving library for all JavaScript environments (browsers, Node.js, etc). +It is also compliant with the IRI ([RFC 3987](http://www.ietf.org/rfc/rfc3987.txt)), IDNA ([RFC 5890](http://www.ietf.org/rfc/rfc5890.txt)), IPv6 Address ([RFC 5952](http://www.ietf.org/rfc/rfc5952.txt)), IPv6 Zone Identifier ([RFC 6874](http://www.ietf.org/rfc/rfc6874.txt)) specifications. + +URI.js has an extensive test suite, and works in all (Node.js, web) environments. It weighs in at 6.4kb (gzipped, 17kb deflated). + +## API + +### Parsing + + URI.parse("uri://user:pass@example.com:123/one/two.three?q1=a1&q2=a2#body"); + //returns: + //{ + // scheme : "uri", + // userinfo : "user:pass", + // host : "example.com", + // port : 123, + // path : "/one/two.three", + // query : "q1=a1&q2=a2", + // fragment : "body" + //} + +### Serializing + + URI.serialize({scheme : "http", host : "example.com", fragment : "footer"}) === "http://example.com/#footer" + +### Resolving + + URI.resolve("uri://a/b/c/d?q", "../../g") === "uri://a/g" + +### Normalizing + + URI.normalize("HTTP://ABC.com:80/%7Esmith/home.html") === "http://abc.com/~smith/home.html" + +### Comparison + + URI.equal("example://a/b/c/%7Bfoo%7D", "eXAMPLE://a/./b/../b/%63/%7bfoo%7d") === true + +### IP Support + + //IPv4 normalization + URI.normalize("//192.068.001.000") === "//192.68.1.0" + + //IPv6 normalization + URI.normalize("//[2001:0:0DB8::0:0001]") === "//[2001:0:db8::1]" + + //IPv6 zone identifier support + URI.parse("//[2001:db8::7%25en1]"); + //returns: + //{ + // host : "2001:db8::7%en1" + //} + +### IRI Support + + //convert IRI to URI + URI.serialize(URI.parse("http://examplé.org/rosé")) === "http://xn--exampl-gva.org/ros%C3%A9" + //convert URI to IRI + URI.serialize(URI.parse("http://xn--exampl-gva.org/ros%C3%A9"), {iri:true}) === "http://examplé.org/rosé" + +### Options + +All of the above functions can accept an additional options argument that is an object that can contain one or more of the following properties: + +* `scheme` (string) + + Indicates the scheme that the URI should be treated as, overriding the URI's normal scheme parsing behavior. + +* `reference` (string) + + If set to `"suffix"`, it indicates that the URI is in the suffix format, and the validator will use the option's `scheme` property to determine the URI's scheme. + +* `tolerant` (boolean, false) + + If set to `true`, the parser will relax URI resolving rules. + +* `absolutePath` (boolean, false) + + If set to `true`, the serializer will not resolve a relative `path` component. + +* `iri` (boolean, false) + + If set to `true`, the serializer will unescape non-ASCII characters as per [RFC 3987](http://www.ietf.org/rfc/rfc3987.txt). + +* `unicodeSupport` (boolean, false) + + If set to `true`, the parser will unescape non-ASCII characters in the parsed output as per [RFC 3987](http://www.ietf.org/rfc/rfc3987.txt). + +* `domainHost` (boolean, false) + + If set to `true`, the library will treat the `host` component as a domain name, and convert IDNs (International Domain Names) as per [RFC 5891](http://www.ietf.org/rfc/rfc5891.txt). + +## Scheme Extendable + +URI.js supports inserting custom [scheme](http://en.wikipedia.org/wiki/URI_scheme) dependent processing rules. Currently, URI.js has built in support for the following schemes: + +* http \[[RFC 2616](http://www.ietf.org/rfc/rfc2616.txt)\] +* https \[[RFC 2818](http://www.ietf.org/rfc/rfc2818.txt)\] +* ws \[[RFC 6455](http://www.ietf.org/rfc/rfc6455.txt)\] +* wss \[[RFC 6455](http://www.ietf.org/rfc/rfc6455.txt)\] +* mailto \[[RFC 6068](http://www.ietf.org/rfc/rfc6068.txt)\] +* urn \[[RFC 2141](http://www.ietf.org/rfc/rfc2141.txt)\] +* urn:uuid \[[RFC 4122](http://www.ietf.org/rfc/rfc4122.txt)\] + +### HTTP/HTTPS Support + + URI.equal("HTTP://ABC.COM:80", "http://abc.com/") === true + URI.equal("https://abc.com", "HTTPS://ABC.COM:443/") === true + +### WS/WSS Support + + URI.parse("wss://example.com/foo?bar=baz"); + //returns: + //{ + // scheme : "wss", + // host: "example.com", + // resourceName: "/foo?bar=baz", + // secure: true, + //} + + URI.equal("WS://ABC.COM:80/chat#one", "ws://abc.com/chat") === true + +### Mailto Support + + URI.parse("mailto:alpha@example.com,bravo@example.com?subject=SUBSCRIBE&body=Sign%20me%20up!"); + //returns: + //{ + // scheme : "mailto", + // to : ["alpha@example.com", "bravo@example.com"], + // subject : "SUBSCRIBE", + // body : "Sign me up!" + //} + + URI.serialize({ + scheme : "mailto", + to : ["alpha@example.com"], + subject : "REMOVE", + body : "Please remove me", + headers : { + cc : "charlie@example.com" + } + }) === "mailto:alpha@example.com?cc=charlie@example.com&subject=REMOVE&body=Please%20remove%20me" + +### URN Support + + URI.parse("urn:example:foo"); + //returns: + //{ + // scheme : "urn", + // nid : "example", + // nss : "foo", + //} + +#### URN UUID Support + + URI.parse("urn:uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6"); + //returns: + //{ + // scheme : "urn", + // nid : "uuid", + // uuid : "f81d4fae-7dec-11d0-a765-00a0c91e6bf6", + //} + +## Usage + +To load in a browser, use the following tag: + + + +To load in a CommonJS/Module environment, first install with npm/yarn by running on the command line: + + npm install uri-js + # OR + yarn add uri-js + +Then, in your code, load it using: + + const URI = require("uri-js"); + +If you are writing your code in ES6+ (ESNEXT) or TypeScript, you would load it using: + + import * as URI from "uri-js"; + +Or you can load just what you need using named exports: + + import { parse, serialize, resolve, resolveComponents, normalize, equal, removeDotSegments, pctEncChar, pctDecChars, escapeComponent, unescapeComponent } from "uri-js"; + +## Breaking changes + +### Breaking changes from 3.x + +URN parsing has been completely changed to better align with the specification. Scheme is now always `urn`, but has two new properties: `nid` which contains the Namspace Identifier, and `nss` which contains the Namespace Specific String. The `nss` property will be removed by higher order scheme handlers, such as the UUID URN scheme handler. + +The UUID of a URN can now be found in the `uuid` property. + +### Breaking changes from 2.x + +URI validation has been removed as it was slow, exposed a vulnerabilty, and was generally not useful. + +### Breaking changes from 1.x + +The `errors` array on parsed components is now an `error` string. diff --git a/module/node_modules/uri-js/dist/es5/uri.all.d.ts b/module/node_modules/uri-js/dist/es5/uri.all.d.ts new file mode 100644 index 000000000..da51e2352 --- /dev/null +++ b/module/node_modules/uri-js/dist/es5/uri.all.d.ts @@ -0,0 +1,59 @@ +export interface URIComponents { + scheme?: string; + userinfo?: string; + host?: string; + port?: number | string; + path?: string; + query?: string; + fragment?: string; + reference?: string; + error?: string; +} +export interface URIOptions { + scheme?: string; + reference?: string; + tolerant?: boolean; + absolutePath?: boolean; + iri?: boolean; + unicodeSupport?: boolean; + domainHost?: boolean; +} +export interface URISchemeHandler { + scheme: string; + parse(components: ParentComponents, options: Options): Components; + serialize(components: Components, options: Options): ParentComponents; + unicodeSupport?: boolean; + domainHost?: boolean; + absolutePath?: boolean; +} +export interface URIRegExps { + NOT_SCHEME: RegExp; + NOT_USERINFO: RegExp; + NOT_HOST: RegExp; + NOT_PATH: RegExp; + NOT_PATH_NOSCHEME: RegExp; + NOT_QUERY: RegExp; + NOT_FRAGMENT: RegExp; + ESCAPE: RegExp; + UNRESERVED: RegExp; + OTHER_CHARS: RegExp; + PCT_ENCODED: RegExp; + IPV4ADDRESS: RegExp; + IPV6ADDRESS: RegExp; +} +export declare const SCHEMES: { + [scheme: string]: URISchemeHandler; +}; +export declare function pctEncChar(chr: string): string; +export declare function pctDecChars(str: string): string; +export declare function parse(uriString: string, options?: URIOptions): URIComponents; +export declare function removeDotSegments(input: string): string; +export declare function serialize(components: URIComponents, options?: URIOptions): string; +export declare function resolveComponents(base: URIComponents, relative: URIComponents, options?: URIOptions, skipNormalization?: boolean): URIComponents; +export declare function resolve(baseURI: string, relativeURI: string, options?: URIOptions): string; +export declare function normalize(uri: string, options?: URIOptions): string; +export declare function normalize(uri: URIComponents, options?: URIOptions): URIComponents; +export declare function equal(uriA: string, uriB: string, options?: URIOptions): boolean; +export declare function equal(uriA: URIComponents, uriB: URIComponents, options?: URIOptions): boolean; +export declare function escapeComponent(str: string, options?: URIOptions): string; +export declare function unescapeComponent(str: string, options?: URIOptions): string; diff --git a/module/node_modules/uri-js/dist/es5/uri.all.js b/module/node_modules/uri-js/dist/es5/uri.all.js new file mode 100644 index 000000000..0706116fe --- /dev/null +++ b/module/node_modules/uri-js/dist/es5/uri.all.js @@ -0,0 +1,1443 @@ +/** @license URI.js v4.4.1 (c) 2011 Gary Court. License: http://github.com/garycourt/uri-js */ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (factory((global.URI = global.URI || {}))); +}(this, (function (exports) { 'use strict'; + +function merge() { + for (var _len = arguments.length, sets = Array(_len), _key = 0; _key < _len; _key++) { + sets[_key] = arguments[_key]; + } + + if (sets.length > 1) { + sets[0] = sets[0].slice(0, -1); + var xl = sets.length - 1; + for (var x = 1; x < xl; ++x) { + sets[x] = sets[x].slice(1, -1); + } + sets[xl] = sets[xl].slice(1); + return sets.join(''); + } else { + return sets[0]; + } +} +function subexp(str) { + return "(?:" + str + ")"; +} +function typeOf(o) { + return o === undefined ? "undefined" : o === null ? "null" : Object.prototype.toString.call(o).split(" ").pop().split("]").shift().toLowerCase(); +} +function toUpperCase(str) { + return str.toUpperCase(); +} +function toArray(obj) { + return obj !== undefined && obj !== null ? obj instanceof Array ? obj : typeof obj.length !== "number" || obj.split || obj.setInterval || obj.call ? [obj] : Array.prototype.slice.call(obj) : []; +} +function assign(target, source) { + var obj = target; + if (source) { + for (var key in source) { + obj[key] = source[key]; + } + } + return obj; +} + +function buildExps(isIRI) { + var ALPHA$$ = "[A-Za-z]", + CR$ = "[\\x0D]", + DIGIT$$ = "[0-9]", + DQUOTE$$ = "[\\x22]", + HEXDIG$$ = merge(DIGIT$$, "[A-Fa-f]"), + //case-insensitive + LF$$ = "[\\x0A]", + SP$$ = "[\\x20]", + PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)), + //expanded + GEN_DELIMS$$ = "[\\:\\/\\?\\#\\[\\]\\@]", + SUB_DELIMS$$ = "[\\!\\$\\&\\'\\(\\)\\*\\+\\,\\;\\=]", + RESERVED$$ = merge(GEN_DELIMS$$, SUB_DELIMS$$), + UCSCHAR$$ = isIRI ? "[\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]" : "[]", + //subset, excludes bidi control characters + IPRIVATE$$ = isIRI ? "[\\uE000-\\uF8FF]" : "[]", + //subset + UNRESERVED$$ = merge(ALPHA$$, DIGIT$$, "[\\-\\.\\_\\~]", UCSCHAR$$), + SCHEME$ = subexp(ALPHA$$ + merge(ALPHA$$, DIGIT$$, "[\\+\\-\\.]") + "*"), + USERINFO$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]")) + "*"), + DEC_OCTET$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("[1-9]" + DIGIT$$) + "|" + DIGIT$$), + DEC_OCTET_RELAXED$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("0?[1-9]" + DIGIT$$) + "|0?0?" + DIGIT$$), + //relaxed parsing rules + IPV4ADDRESS$ = subexp(DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$), + H16$ = subexp(HEXDIG$$ + "{1,4}"), + LS32$ = subexp(subexp(H16$ + "\\:" + H16$) + "|" + IPV4ADDRESS$), + IPV6ADDRESS1$ = subexp(subexp(H16$ + "\\:") + "{6}" + LS32$), + // 6( h16 ":" ) ls32 + IPV6ADDRESS2$ = subexp("\\:\\:" + subexp(H16$ + "\\:") + "{5}" + LS32$), + // "::" 5( h16 ":" ) ls32 + IPV6ADDRESS3$ = subexp(subexp(H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{4}" + LS32$), + //[ h16 ] "::" 4( h16 ":" ) ls32 + IPV6ADDRESS4$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,1}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{3}" + LS32$), + //[ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32 + IPV6ADDRESS5$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,2}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{2}" + LS32$), + //[ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32 + IPV6ADDRESS6$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,3}" + H16$) + "?\\:\\:" + H16$ + "\\:" + LS32$), + //[ *3( h16 ":" ) h16 ] "::" h16 ":" ls32 + IPV6ADDRESS7$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,4}" + H16$) + "?\\:\\:" + LS32$), + //[ *4( h16 ":" ) h16 ] "::" ls32 + IPV6ADDRESS8$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,5}" + H16$) + "?\\:\\:" + H16$), + //[ *5( h16 ":" ) h16 ] "::" h16 + IPV6ADDRESS9$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,6}" + H16$) + "?\\:\\:"), + //[ *6( h16 ":" ) h16 ] "::" + IPV6ADDRESS$ = subexp([IPV6ADDRESS1$, IPV6ADDRESS2$, IPV6ADDRESS3$, IPV6ADDRESS4$, IPV6ADDRESS5$, IPV6ADDRESS6$, IPV6ADDRESS7$, IPV6ADDRESS8$, IPV6ADDRESS9$].join("|")), + ZONEID$ = subexp(subexp(UNRESERVED$$ + "|" + PCT_ENCODED$) + "+"), + //RFC 6874 + IPV6ADDRZ$ = subexp(IPV6ADDRESS$ + "\\%25" + ZONEID$), + //RFC 6874 + IPV6ADDRZ_RELAXED$ = subexp(IPV6ADDRESS$ + subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + ZONEID$), + //RFC 6874, with relaxed parsing rules + IPVFUTURE$ = subexp("[vV]" + HEXDIG$$ + "+\\." + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]") + "+"), + IP_LITERAL$ = subexp("\\[" + subexp(IPV6ADDRZ_RELAXED$ + "|" + IPV6ADDRESS$ + "|" + IPVFUTURE$) + "\\]"), + //RFC 6874 + REG_NAME$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$)) + "*"), + HOST$ = subexp(IP_LITERAL$ + "|" + IPV4ADDRESS$ + "(?!" + REG_NAME$ + ")" + "|" + REG_NAME$), + PORT$ = subexp(DIGIT$$ + "*"), + AUTHORITY$ = subexp(subexp(USERINFO$ + "@") + "?" + HOST$ + subexp("\\:" + PORT$) + "?"), + PCHAR$ = subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@]")), + SEGMENT$ = subexp(PCHAR$ + "*"), + SEGMENT_NZ$ = subexp(PCHAR$ + "+"), + SEGMENT_NZ_NC$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\@]")) + "+"), + PATH_ABEMPTY$ = subexp(subexp("\\/" + SEGMENT$) + "*"), + PATH_ABSOLUTE$ = subexp("\\/" + subexp(SEGMENT_NZ$ + PATH_ABEMPTY$) + "?"), + //simplified + PATH_NOSCHEME$ = subexp(SEGMENT_NZ_NC$ + PATH_ABEMPTY$), + //simplified + PATH_ROOTLESS$ = subexp(SEGMENT_NZ$ + PATH_ABEMPTY$), + //simplified + PATH_EMPTY$ = "(?!" + PCHAR$ + ")", + PATH$ = subexp(PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$), + QUERY$ = subexp(subexp(PCHAR$ + "|" + merge("[\\/\\?]", IPRIVATE$$)) + "*"), + FRAGMENT$ = subexp(subexp(PCHAR$ + "|[\\/\\?]") + "*"), + HIER_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$), + URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"), + RELATIVE_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$), + RELATIVE$ = subexp(RELATIVE_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"), + URI_REFERENCE$ = subexp(URI$ + "|" + RELATIVE$), + ABSOLUTE_URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?"), + GENERIC_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$", + RELATIVE_REF$ = "^(){0}" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$", + ABSOLUTE_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?$", + SAMEDOC_REF$ = "^" + subexp("\\#(" + FRAGMENT$ + ")") + "?$", + AUTHORITY_REF$ = "^" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?$"; + return { + NOT_SCHEME: new RegExp(merge("[^]", ALPHA$$, DIGIT$$, "[\\+\\-\\.]"), "g"), + NOT_USERINFO: new RegExp(merge("[^\\%\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"), + NOT_HOST: new RegExp(merge("[^\\%\\[\\]\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"), + NOT_PATH: new RegExp(merge("[^\\%\\/\\:\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"), + NOT_PATH_NOSCHEME: new RegExp(merge("[^\\%\\/\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"), + NOT_QUERY: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]", IPRIVATE$$), "g"), + NOT_FRAGMENT: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]"), "g"), + ESCAPE: new RegExp(merge("[^]", UNRESERVED$$, SUB_DELIMS$$), "g"), + UNRESERVED: new RegExp(UNRESERVED$$, "g"), + OTHER_CHARS: new RegExp(merge("[^\\%]", UNRESERVED$$, RESERVED$$), "g"), + PCT_ENCODED: new RegExp(PCT_ENCODED$, "g"), + IPV4ADDRESS: new RegExp("^(" + IPV4ADDRESS$ + ")$"), + IPV6ADDRESS: new RegExp("^\\[?(" + IPV6ADDRESS$ + ")" + subexp(subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + "(" + ZONEID$ + ")") + "?\\]?$") //RFC 6874, with relaxed parsing rules + }; +} +var URI_PROTOCOL = buildExps(false); + +var IRI_PROTOCOL = buildExps(true); + +var slicedToArray = function () { + function sliceIterator(arr, i) { + var _arr = []; + var _n = true; + var _d = false; + var _e = undefined; + + try { + for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { + _arr.push(_s.value); + + if (i && _arr.length === i) break; + } + } catch (err) { + _d = true; + _e = err; + } finally { + try { + if (!_n && _i["return"]) _i["return"](); + } finally { + if (_d) throw _e; + } + } + + return _arr; + } + + return function (arr, i) { + if (Array.isArray(arr)) { + return arr; + } else if (Symbol.iterator in Object(arr)) { + return sliceIterator(arr, i); + } else { + throw new TypeError("Invalid attempt to destructure non-iterable instance"); + } + }; +}(); + + + + + + + + + + + + + +var toConsumableArray = function (arr) { + if (Array.isArray(arr)) { + for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; + + return arr2; + } else { + return Array.from(arr); + } +}; + +/** Highest positive signed 32-bit float value */ + +var maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1 + +/** Bootstring parameters */ +var base = 36; +var tMin = 1; +var tMax = 26; +var skew = 38; +var damp = 700; +var initialBias = 72; +var initialN = 128; // 0x80 +var delimiter = '-'; // '\x2D' + +/** Regular expressions */ +var regexPunycode = /^xn--/; +var regexNonASCII = /[^\0-\x7E]/; // non-ASCII chars +var regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g; // RFC 3490 separators + +/** Error messages */ +var errors = { + 'overflow': 'Overflow: input needs wider integers to process', + 'not-basic': 'Illegal input >= 0x80 (not a basic code point)', + 'invalid-input': 'Invalid input' +}; + +/** Convenience shortcuts */ +var baseMinusTMin = base - tMin; +var floor = Math.floor; +var stringFromCharCode = String.fromCharCode; + +/*--------------------------------------------------------------------------*/ + +/** + * A generic error utility function. + * @private + * @param {String} type The error type. + * @returns {Error} Throws a `RangeError` with the applicable error message. + */ +function error$1(type) { + throw new RangeError(errors[type]); +} + +/** + * A generic `Array#map` utility function. + * @private + * @param {Array} array The array to iterate over. + * @param {Function} callback The function that gets called for every array + * item. + * @returns {Array} A new array of values returned by the callback function. + */ +function map(array, fn) { + var result = []; + var length = array.length; + while (length--) { + result[length] = fn(array[length]); + } + return result; +} + +/** + * A simple `Array#map`-like wrapper to work with domain name strings or email + * addresses. + * @private + * @param {String} domain The domain name or email address. + * @param {Function} callback The function that gets called for every + * character. + * @returns {Array} A new string of characters returned by the callback + * function. + */ +function mapDomain(string, fn) { + var parts = string.split('@'); + var result = ''; + if (parts.length > 1) { + // In email addresses, only the domain name should be punycoded. Leave + // the local part (i.e. everything up to `@`) intact. + result = parts[0] + '@'; + string = parts[1]; + } + // Avoid `split(regex)` for IE8 compatibility. See #17. + string = string.replace(regexSeparators, '\x2E'); + var labels = string.split('.'); + var encoded = map(labels, fn).join('.'); + return result + encoded; +} + +/** + * Creates an array containing the numeric code points of each Unicode + * character in the string. While JavaScript uses UCS-2 internally, + * this function will convert a pair of surrogate halves (each of which + * UCS-2 exposes as separate characters) into a single code point, + * matching UTF-16. + * @see `punycode.ucs2.encode` + * @see + * @memberOf punycode.ucs2 + * @name decode + * @param {String} string The Unicode input string (UCS-2). + * @returns {Array} The new array of code points. + */ +function ucs2decode(string) { + var output = []; + var counter = 0; + var length = string.length; + while (counter < length) { + var value = string.charCodeAt(counter++); + if (value >= 0xD800 && value <= 0xDBFF && counter < length) { + // It's a high surrogate, and there is a next character. + var extra = string.charCodeAt(counter++); + if ((extra & 0xFC00) == 0xDC00) { + // Low surrogate. + output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000); + } else { + // It's an unmatched surrogate; only append this code unit, in case the + // next code unit is the high surrogate of a surrogate pair. + output.push(value); + counter--; + } + } else { + output.push(value); + } + } + return output; +} + +/** + * Creates a string based on an array of numeric code points. + * @see `punycode.ucs2.decode` + * @memberOf punycode.ucs2 + * @name encode + * @param {Array} codePoints The array of numeric code points. + * @returns {String} The new Unicode string (UCS-2). + */ +var ucs2encode = function ucs2encode(array) { + return String.fromCodePoint.apply(String, toConsumableArray(array)); +}; + +/** + * Converts a basic code point into a digit/integer. + * @see `digitToBasic()` + * @private + * @param {Number} codePoint The basic numeric code point value. + * @returns {Number} The numeric value of a basic code point (for use in + * representing integers) in the range `0` to `base - 1`, or `base` if + * the code point does not represent a value. + */ +var basicToDigit = function basicToDigit(codePoint) { + if (codePoint - 0x30 < 0x0A) { + return codePoint - 0x16; + } + if (codePoint - 0x41 < 0x1A) { + return codePoint - 0x41; + } + if (codePoint - 0x61 < 0x1A) { + return codePoint - 0x61; + } + return base; +}; + +/** + * Converts a digit/integer into a basic code point. + * @see `basicToDigit()` + * @private + * @param {Number} digit The numeric value of a basic code point. + * @returns {Number} The basic code point whose value (when used for + * representing integers) is `digit`, which needs to be in the range + * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is + * used; else, the lowercase form is used. The behavior is undefined + * if `flag` is non-zero and `digit` has no uppercase form. + */ +var digitToBasic = function digitToBasic(digit, flag) { + // 0..25 map to ASCII a..z or A..Z + // 26..35 map to ASCII 0..9 + return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5); +}; + +/** + * Bias adaptation function as per section 3.4 of RFC 3492. + * https://tools.ietf.org/html/rfc3492#section-3.4 + * @private + */ +var adapt = function adapt(delta, numPoints, firstTime) { + var k = 0; + delta = firstTime ? floor(delta / damp) : delta >> 1; + delta += floor(delta / numPoints); + for (; /* no initialization */delta > baseMinusTMin * tMax >> 1; k += base) { + delta = floor(delta / baseMinusTMin); + } + return floor(k + (baseMinusTMin + 1) * delta / (delta + skew)); +}; + +/** + * Converts a Punycode string of ASCII-only symbols to a string of Unicode + * symbols. + * @memberOf punycode + * @param {String} input The Punycode string of ASCII-only symbols. + * @returns {String} The resulting string of Unicode symbols. + */ +var decode = function decode(input) { + // Don't use UCS-2. + var output = []; + var inputLength = input.length; + var i = 0; + var n = initialN; + var bias = initialBias; + + // Handle the basic code points: let `basic` be the number of input code + // points before the last delimiter, or `0` if there is none, then copy + // the first basic code points to the output. + + var basic = input.lastIndexOf(delimiter); + if (basic < 0) { + basic = 0; + } + + for (var j = 0; j < basic; ++j) { + // if it's not a basic code point + if (input.charCodeAt(j) >= 0x80) { + error$1('not-basic'); + } + output.push(input.charCodeAt(j)); + } + + // Main decoding loop: start just after the last delimiter if any basic code + // points were copied; start at the beginning otherwise. + + for (var index = basic > 0 ? basic + 1 : 0; index < inputLength;) /* no final expression */{ + + // `index` is the index of the next character to be consumed. + // Decode a generalized variable-length integer into `delta`, + // which gets added to `i`. The overflow checking is easier + // if we increase `i` as we go, then subtract off its starting + // value at the end to obtain `delta`. + var oldi = i; + for (var w = 1, k = base;; /* no condition */k += base) { + + if (index >= inputLength) { + error$1('invalid-input'); + } + + var digit = basicToDigit(input.charCodeAt(index++)); + + if (digit >= base || digit > floor((maxInt - i) / w)) { + error$1('overflow'); + } + + i += digit * w; + var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias; + + if (digit < t) { + break; + } + + var baseMinusT = base - t; + if (w > floor(maxInt / baseMinusT)) { + error$1('overflow'); + } + + w *= baseMinusT; + } + + var out = output.length + 1; + bias = adapt(i - oldi, out, oldi == 0); + + // `i` was supposed to wrap around from `out` to `0`, + // incrementing `n` each time, so we'll fix that now: + if (floor(i / out) > maxInt - n) { + error$1('overflow'); + } + + n += floor(i / out); + i %= out; + + // Insert `n` at position `i` of the output. + output.splice(i++, 0, n); + } + + return String.fromCodePoint.apply(String, output); +}; + +/** + * Converts a string of Unicode symbols (e.g. a domain name label) to a + * Punycode string of ASCII-only symbols. + * @memberOf punycode + * @param {String} input The string of Unicode symbols. + * @returns {String} The resulting Punycode string of ASCII-only symbols. + */ +var encode = function encode(input) { + var output = []; + + // Convert the input in UCS-2 to an array of Unicode code points. + input = ucs2decode(input); + + // Cache the length. + var inputLength = input.length; + + // Initialize the state. + var n = initialN; + var delta = 0; + var bias = initialBias; + + // Handle the basic code points. + var _iteratorNormalCompletion = true; + var _didIteratorError = false; + var _iteratorError = undefined; + + try { + for (var _iterator = input[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) { + var _currentValue2 = _step.value; + + if (_currentValue2 < 0x80) { + output.push(stringFromCharCode(_currentValue2)); + } + } + } catch (err) { + _didIteratorError = true; + _iteratorError = err; + } finally { + try { + if (!_iteratorNormalCompletion && _iterator.return) { + _iterator.return(); + } + } finally { + if (_didIteratorError) { + throw _iteratorError; + } + } + } + + var basicLength = output.length; + var handledCPCount = basicLength; + + // `handledCPCount` is the number of code points that have been handled; + // `basicLength` is the number of basic code points. + + // Finish the basic string with a delimiter unless it's empty. + if (basicLength) { + output.push(delimiter); + } + + // Main encoding loop: + while (handledCPCount < inputLength) { + + // All non-basic code points < n have been handled already. Find the next + // larger one: + var m = maxInt; + var _iteratorNormalCompletion2 = true; + var _didIteratorError2 = false; + var _iteratorError2 = undefined; + + try { + for (var _iterator2 = input[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) { + var currentValue = _step2.value; + + if (currentValue >= n && currentValue < m) { + m = currentValue; + } + } + + // Increase `delta` enough to advance the decoder's state to , + // but guard against overflow. + } catch (err) { + _didIteratorError2 = true; + _iteratorError2 = err; + } finally { + try { + if (!_iteratorNormalCompletion2 && _iterator2.return) { + _iterator2.return(); + } + } finally { + if (_didIteratorError2) { + throw _iteratorError2; + } + } + } + + var handledCPCountPlusOne = handledCPCount + 1; + if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) { + error$1('overflow'); + } + + delta += (m - n) * handledCPCountPlusOne; + n = m; + + var _iteratorNormalCompletion3 = true; + var _didIteratorError3 = false; + var _iteratorError3 = undefined; + + try { + for (var _iterator3 = input[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) { + var _currentValue = _step3.value; + + if (_currentValue < n && ++delta > maxInt) { + error$1('overflow'); + } + if (_currentValue == n) { + // Represent delta as a generalized variable-length integer. + var q = delta; + for (var k = base;; /* no condition */k += base) { + var t = k <= bias ? tMin : k >= bias + tMax ? tMax : k - bias; + if (q < t) { + break; + } + var qMinusT = q - t; + var baseMinusT = base - t; + output.push(stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))); + q = floor(qMinusT / baseMinusT); + } + + output.push(stringFromCharCode(digitToBasic(q, 0))); + bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength); + delta = 0; + ++handledCPCount; + } + } + } catch (err) { + _didIteratorError3 = true; + _iteratorError3 = err; + } finally { + try { + if (!_iteratorNormalCompletion3 && _iterator3.return) { + _iterator3.return(); + } + } finally { + if (_didIteratorError3) { + throw _iteratorError3; + } + } + } + + ++delta; + ++n; + } + return output.join(''); +}; + +/** + * Converts a Punycode string representing a domain name or an email address + * to Unicode. Only the Punycoded parts of the input will be converted, i.e. + * it doesn't matter if you call it on a string that has already been + * converted to Unicode. + * @memberOf punycode + * @param {String} input The Punycoded domain name or email address to + * convert to Unicode. + * @returns {String} The Unicode representation of the given Punycode + * string. + */ +var toUnicode = function toUnicode(input) { + return mapDomain(input, function (string) { + return regexPunycode.test(string) ? decode(string.slice(4).toLowerCase()) : string; + }); +}; + +/** + * Converts a Unicode string representing a domain name or an email address to + * Punycode. Only the non-ASCII parts of the domain name will be converted, + * i.e. it doesn't matter if you call it with a domain that's already in + * ASCII. + * @memberOf punycode + * @param {String} input The domain name or email address to convert, as a + * Unicode string. + * @returns {String} The Punycode representation of the given domain name or + * email address. + */ +var toASCII = function toASCII(input) { + return mapDomain(input, function (string) { + return regexNonASCII.test(string) ? 'xn--' + encode(string) : string; + }); +}; + +/*--------------------------------------------------------------------------*/ + +/** Define the public API */ +var punycode = { + /** + * A string representing the current Punycode.js version number. + * @memberOf punycode + * @type String + */ + 'version': '2.1.0', + /** + * An object of methods to convert from JavaScript's internal character + * representation (UCS-2) to Unicode code points, and back. + * @see + * @memberOf punycode + * @type Object + */ + 'ucs2': { + 'decode': ucs2decode, + 'encode': ucs2encode + }, + 'decode': decode, + 'encode': encode, + 'toASCII': toASCII, + 'toUnicode': toUnicode +}; + +/** + * URI.js + * + * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript. + * @author Gary Court + * @see http://github.com/garycourt/uri-js + */ +/** + * Copyright 2011 Gary Court. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of Gary Court. + */ +var SCHEMES = {}; +function pctEncChar(chr) { + var c = chr.charCodeAt(0); + var e = void 0; + if (c < 16) e = "%0" + c.toString(16).toUpperCase();else if (c < 128) e = "%" + c.toString(16).toUpperCase();else if (c < 2048) e = "%" + (c >> 6 | 192).toString(16).toUpperCase() + "%" + (c & 63 | 128).toString(16).toUpperCase();else e = "%" + (c >> 12 | 224).toString(16).toUpperCase() + "%" + (c >> 6 & 63 | 128).toString(16).toUpperCase() + "%" + (c & 63 | 128).toString(16).toUpperCase(); + return e; +} +function pctDecChars(str) { + var newStr = ""; + var i = 0; + var il = str.length; + while (i < il) { + var c = parseInt(str.substr(i + 1, 2), 16); + if (c < 128) { + newStr += String.fromCharCode(c); + i += 3; + } else if (c >= 194 && c < 224) { + if (il - i >= 6) { + var c2 = parseInt(str.substr(i + 4, 2), 16); + newStr += String.fromCharCode((c & 31) << 6 | c2 & 63); + } else { + newStr += str.substr(i, 6); + } + i += 6; + } else if (c >= 224) { + if (il - i >= 9) { + var _c = parseInt(str.substr(i + 4, 2), 16); + var c3 = parseInt(str.substr(i + 7, 2), 16); + newStr += String.fromCharCode((c & 15) << 12 | (_c & 63) << 6 | c3 & 63); + } else { + newStr += str.substr(i, 9); + } + i += 9; + } else { + newStr += str.substr(i, 3); + i += 3; + } + } + return newStr; +} +function _normalizeComponentEncoding(components, protocol) { + function decodeUnreserved(str) { + var decStr = pctDecChars(str); + return !decStr.match(protocol.UNRESERVED) ? str : decStr; + } + if (components.scheme) components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, ""); + if (components.userinfo !== undefined) components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.host !== undefined) components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.path !== undefined) components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.query !== undefined) components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.fragment !== undefined) components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + return components; +} + +function _stripLeadingZeros(str) { + return str.replace(/^0*(.*)/, "$1") || "0"; +} +function _normalizeIPv4(host, protocol) { + var matches = host.match(protocol.IPV4ADDRESS) || []; + + var _matches = slicedToArray(matches, 2), + address = _matches[1]; + + if (address) { + return address.split(".").map(_stripLeadingZeros).join("."); + } else { + return host; + } +} +function _normalizeIPv6(host, protocol) { + var matches = host.match(protocol.IPV6ADDRESS) || []; + + var _matches2 = slicedToArray(matches, 3), + address = _matches2[1], + zone = _matches2[2]; + + if (address) { + var _address$toLowerCase$ = address.toLowerCase().split('::').reverse(), + _address$toLowerCase$2 = slicedToArray(_address$toLowerCase$, 2), + last = _address$toLowerCase$2[0], + first = _address$toLowerCase$2[1]; + + var firstFields = first ? first.split(":").map(_stripLeadingZeros) : []; + var lastFields = last.split(":").map(_stripLeadingZeros); + var isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]); + var fieldCount = isLastFieldIPv4Address ? 7 : 8; + var lastFieldsStart = lastFields.length - fieldCount; + var fields = Array(fieldCount); + for (var x = 0; x < fieldCount; ++x) { + fields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || ''; + } + if (isLastFieldIPv4Address) { + fields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol); + } + var allZeroFields = fields.reduce(function (acc, field, index) { + if (!field || field === "0") { + var lastLongest = acc[acc.length - 1]; + if (lastLongest && lastLongest.index + lastLongest.length === index) { + lastLongest.length++; + } else { + acc.push({ index: index, length: 1 }); + } + } + return acc; + }, []); + var longestZeroFields = allZeroFields.sort(function (a, b) { + return b.length - a.length; + })[0]; + var newHost = void 0; + if (longestZeroFields && longestZeroFields.length > 1) { + var newFirst = fields.slice(0, longestZeroFields.index); + var newLast = fields.slice(longestZeroFields.index + longestZeroFields.length); + newHost = newFirst.join(":") + "::" + newLast.join(":"); + } else { + newHost = fields.join(":"); + } + if (zone) { + newHost += "%" + zone; + } + return newHost; + } else { + return host; + } +} +var URI_PARSE = /^(?:([^:\/?#]+):)?(?:\/\/((?:([^\/?#@]*)@)?(\[[^\/?#\]]+\]|[^\/?#:]*)(?:\:(\d*))?))?([^?#]*)(?:\?([^#]*))?(?:#((?:.|\n|\r)*))?/i; +var NO_MATCH_IS_UNDEFINED = "".match(/(){0}/)[1] === undefined; +function parse(uriString) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + + var components = {}; + var protocol = options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL; + if (options.reference === "suffix") uriString = (options.scheme ? options.scheme + ":" : "") + "//" + uriString; + var matches = uriString.match(URI_PARSE); + if (matches) { + if (NO_MATCH_IS_UNDEFINED) { + //store each component + components.scheme = matches[1]; + components.userinfo = matches[3]; + components.host = matches[4]; + components.port = parseInt(matches[5], 10); + components.path = matches[6] || ""; + components.query = matches[7]; + components.fragment = matches[8]; + //fix port number + if (isNaN(components.port)) { + components.port = matches[5]; + } + } else { + //IE FIX for improper RegExp matching + //store each component + components.scheme = matches[1] || undefined; + components.userinfo = uriString.indexOf("@") !== -1 ? matches[3] : undefined; + components.host = uriString.indexOf("//") !== -1 ? matches[4] : undefined; + components.port = parseInt(matches[5], 10); + components.path = matches[6] || ""; + components.query = uriString.indexOf("?") !== -1 ? matches[7] : undefined; + components.fragment = uriString.indexOf("#") !== -1 ? matches[8] : undefined; + //fix port number + if (isNaN(components.port)) { + components.port = uriString.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/) ? matches[4] : undefined; + } + } + if (components.host) { + //normalize IP hosts + components.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol); + } + //determine reference type + if (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) { + components.reference = "same-document"; + } else if (components.scheme === undefined) { + components.reference = "relative"; + } else if (components.fragment === undefined) { + components.reference = "absolute"; + } else { + components.reference = "uri"; + } + //check for reference errors + if (options.reference && options.reference !== "suffix" && options.reference !== components.reference) { + components.error = components.error || "URI is not a " + options.reference + " reference."; + } + //find scheme handler + var schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()]; + //check if scheme can't handle IRIs + if (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) { + //if host component is a domain name + if (components.host && (options.domainHost || schemeHandler && schemeHandler.domainHost)) { + //convert Unicode IDN -> ASCII IDN + try { + components.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()); + } catch (e) { + components.error = components.error || "Host's domain name can not be converted to ASCII via punycode: " + e; + } + } + //convert IRI -> URI + _normalizeComponentEncoding(components, URI_PROTOCOL); + } else { + //normalize encodings + _normalizeComponentEncoding(components, protocol); + } + //perform scheme specific parsing + if (schemeHandler && schemeHandler.parse) { + schemeHandler.parse(components, options); + } + } else { + components.error = components.error || "URI can not be parsed."; + } + return components; +} + +function _recomposeAuthority(components, options) { + var protocol = options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL; + var uriTokens = []; + if (components.userinfo !== undefined) { + uriTokens.push(components.userinfo); + uriTokens.push("@"); + } + if (components.host !== undefined) { + //normalize IP hosts, add brackets and escape zone separator for IPv6 + uriTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, function (_, $1, $2) { + return "[" + $1 + ($2 ? "%25" + $2 : "") + "]"; + })); + } + if (typeof components.port === "number" || typeof components.port === "string") { + uriTokens.push(":"); + uriTokens.push(String(components.port)); + } + return uriTokens.length ? uriTokens.join("") : undefined; +} + +var RDS1 = /^\.\.?\//; +var RDS2 = /^\/\.(\/|$)/; +var RDS3 = /^\/\.\.(\/|$)/; +var RDS5 = /^\/?(?:.|\n)*?(?=\/|$)/; +function removeDotSegments(input) { + var output = []; + while (input.length) { + if (input.match(RDS1)) { + input = input.replace(RDS1, ""); + } else if (input.match(RDS2)) { + input = input.replace(RDS2, "/"); + } else if (input.match(RDS3)) { + input = input.replace(RDS3, "/"); + output.pop(); + } else if (input === "." || input === "..") { + input = ""; + } else { + var im = input.match(RDS5); + if (im) { + var s = im[0]; + input = input.slice(s.length); + output.push(s); + } else { + throw new Error("Unexpected dot segment condition"); + } + } + } + return output.join(""); +} + +function serialize(components) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + + var protocol = options.iri ? IRI_PROTOCOL : URI_PROTOCOL; + var uriTokens = []; + //find scheme handler + var schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()]; + //perform scheme specific serialization + if (schemeHandler && schemeHandler.serialize) schemeHandler.serialize(components, options); + if (components.host) { + //if host component is an IPv6 address + if (protocol.IPV6ADDRESS.test(components.host)) {} + //TODO: normalize IPv6 address as per RFC 5952 + + //if host component is a domain name + else if (options.domainHost || schemeHandler && schemeHandler.domainHost) { + //convert IDN via punycode + try { + components.host = !options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host); + } catch (e) { + components.error = components.error || "Host's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e; + } + } + } + //normalize encoding + _normalizeComponentEncoding(components, protocol); + if (options.reference !== "suffix" && components.scheme) { + uriTokens.push(components.scheme); + uriTokens.push(":"); + } + var authority = _recomposeAuthority(components, options); + if (authority !== undefined) { + if (options.reference !== "suffix") { + uriTokens.push("//"); + } + uriTokens.push(authority); + if (components.path && components.path.charAt(0) !== "/") { + uriTokens.push("/"); + } + } + if (components.path !== undefined) { + var s = components.path; + if (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) { + s = removeDotSegments(s); + } + if (authority === undefined) { + s = s.replace(/^\/\//, "/%2F"); //don't allow the path to start with "//" + } + uriTokens.push(s); + } + if (components.query !== undefined) { + uriTokens.push("?"); + uriTokens.push(components.query); + } + if (components.fragment !== undefined) { + uriTokens.push("#"); + uriTokens.push(components.fragment); + } + return uriTokens.join(""); //merge tokens into a string +} + +function resolveComponents(base, relative) { + var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {}; + var skipNormalization = arguments[3]; + + var target = {}; + if (!skipNormalization) { + base = parse(serialize(base, options), options); //normalize base components + relative = parse(serialize(relative, options), options); //normalize relative components + } + options = options || {}; + if (!options.tolerant && relative.scheme) { + target.scheme = relative.scheme; + //target.authority = relative.authority; + target.userinfo = relative.userinfo; + target.host = relative.host; + target.port = relative.port; + target.path = removeDotSegments(relative.path || ""); + target.query = relative.query; + } else { + if (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) { + //target.authority = relative.authority; + target.userinfo = relative.userinfo; + target.host = relative.host; + target.port = relative.port; + target.path = removeDotSegments(relative.path || ""); + target.query = relative.query; + } else { + if (!relative.path) { + target.path = base.path; + if (relative.query !== undefined) { + target.query = relative.query; + } else { + target.query = base.query; + } + } else { + if (relative.path.charAt(0) === "/") { + target.path = removeDotSegments(relative.path); + } else { + if ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) { + target.path = "/" + relative.path; + } else if (!base.path) { + target.path = relative.path; + } else { + target.path = base.path.slice(0, base.path.lastIndexOf("/") + 1) + relative.path; + } + target.path = removeDotSegments(target.path); + } + target.query = relative.query; + } + //target.authority = base.authority; + target.userinfo = base.userinfo; + target.host = base.host; + target.port = base.port; + } + target.scheme = base.scheme; + } + target.fragment = relative.fragment; + return target; +} + +function resolve(baseURI, relativeURI, options) { + var schemelessOptions = assign({ scheme: 'null' }, options); + return serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions); +} + +function normalize(uri, options) { + if (typeof uri === "string") { + uri = serialize(parse(uri, options), options); + } else if (typeOf(uri) === "object") { + uri = parse(serialize(uri, options), options); + } + return uri; +} + +function equal(uriA, uriB, options) { + if (typeof uriA === "string") { + uriA = serialize(parse(uriA, options), options); + } else if (typeOf(uriA) === "object") { + uriA = serialize(uriA, options); + } + if (typeof uriB === "string") { + uriB = serialize(parse(uriB, options), options); + } else if (typeOf(uriB) === "object") { + uriB = serialize(uriB, options); + } + return uriA === uriB; +} + +function escapeComponent(str, options) { + return str && str.toString().replace(!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE, pctEncChar); +} + +function unescapeComponent(str, options) { + return str && str.toString().replace(!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED, pctDecChars); +} + +var handler = { + scheme: "http", + domainHost: true, + parse: function parse(components, options) { + //report missing host + if (!components.host) { + components.error = components.error || "HTTP URIs must have a host."; + } + return components; + }, + serialize: function serialize(components, options) { + var secure = String(components.scheme).toLowerCase() === "https"; + //normalize the default port + if (components.port === (secure ? 443 : 80) || components.port === "") { + components.port = undefined; + } + //normalize the empty path + if (!components.path) { + components.path = "/"; + } + //NOTE: We do not parse query strings for HTTP URIs + //as WWW Form Url Encoded query strings are part of the HTML4+ spec, + //and not the HTTP spec. + return components; + } +}; + +var handler$1 = { + scheme: "https", + domainHost: handler.domainHost, + parse: handler.parse, + serialize: handler.serialize +}; + +function isSecure(wsComponents) { + return typeof wsComponents.secure === 'boolean' ? wsComponents.secure : String(wsComponents.scheme).toLowerCase() === "wss"; +} +//RFC 6455 +var handler$2 = { + scheme: "ws", + domainHost: true, + parse: function parse(components, options) { + var wsComponents = components; + //indicate if the secure flag is set + wsComponents.secure = isSecure(wsComponents); + //construct resouce name + wsComponents.resourceName = (wsComponents.path || '/') + (wsComponents.query ? '?' + wsComponents.query : ''); + wsComponents.path = undefined; + wsComponents.query = undefined; + return wsComponents; + }, + serialize: function serialize(wsComponents, options) { + //normalize the default port + if (wsComponents.port === (isSecure(wsComponents) ? 443 : 80) || wsComponents.port === "") { + wsComponents.port = undefined; + } + //ensure scheme matches secure flag + if (typeof wsComponents.secure === 'boolean') { + wsComponents.scheme = wsComponents.secure ? 'wss' : 'ws'; + wsComponents.secure = undefined; + } + //reconstruct path from resource name + if (wsComponents.resourceName) { + var _wsComponents$resourc = wsComponents.resourceName.split('?'), + _wsComponents$resourc2 = slicedToArray(_wsComponents$resourc, 2), + path = _wsComponents$resourc2[0], + query = _wsComponents$resourc2[1]; + + wsComponents.path = path && path !== '/' ? path : undefined; + wsComponents.query = query; + wsComponents.resourceName = undefined; + } + //forbid fragment component + wsComponents.fragment = undefined; + return wsComponents; + } +}; + +var handler$3 = { + scheme: "wss", + domainHost: handler$2.domainHost, + parse: handler$2.parse, + serialize: handler$2.serialize +}; + +var O = {}; +var isIRI = true; +//RFC 3986 +var UNRESERVED$$ = "[A-Za-z0-9\\-\\.\\_\\~" + (isIRI ? "\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF" : "") + "]"; +var HEXDIG$$ = "[0-9A-Fa-f]"; //case-insensitive +var PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)); //expanded +//RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; = +//const ATEXT$$ = "[A-Za-z0-9\\!\\#\\$\\%\\&\\'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]"; +//const WSP$$ = "[\\x20\\x09]"; +//const OBS_QTEXT$$ = "[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F]"; //(%d1-8 / %d11-12 / %d14-31 / %d127) +//const QTEXT$$ = merge("[\\x21\\x23-\\x5B\\x5D-\\x7E]", OBS_QTEXT$$); //%d33 / %d35-91 / %d93-126 / obs-qtext +//const VCHAR$$ = "[\\x21-\\x7E]"; +//const WSP$$ = "[\\x20\\x09]"; +//const OBS_QP$ = subexp("\\\\" + merge("[\\x00\\x0D\\x0A]", OBS_QTEXT$$)); //%d0 / CR / LF / obs-qtext +//const FWS$ = subexp(subexp(WSP$$ + "*" + "\\x0D\\x0A") + "?" + WSP$$ + "+"); +//const QUOTED_PAIR$ = subexp(subexp("\\\\" + subexp(VCHAR$$ + "|" + WSP$$)) + "|" + OBS_QP$); +//const QUOTED_STRING$ = subexp('\\"' + subexp(FWS$ + "?" + QCONTENT$) + "*" + FWS$ + "?" + '\\"'); +var ATEXT$$ = "[A-Za-z0-9\\!\\$\\%\\'\\*\\+\\-\\^\\_\\`\\{\\|\\}\\~]"; +var QTEXT$$ = "[\\!\\$\\%\\'\\(\\)\\*\\+\\,\\-\\.0-9\\<\\>A-Z\\x5E-\\x7E]"; +var VCHAR$$ = merge(QTEXT$$, "[\\\"\\\\]"); +var SOME_DELIMS$$ = "[\\!\\$\\'\\(\\)\\*\\+\\,\\;\\:\\@]"; +var UNRESERVED = new RegExp(UNRESERVED$$, "g"); +var PCT_ENCODED = new RegExp(PCT_ENCODED$, "g"); +var NOT_LOCAL_PART = new RegExp(merge("[^]", ATEXT$$, "[\\.]", '[\\"]', VCHAR$$), "g"); +var NOT_HFNAME = new RegExp(merge("[^]", UNRESERVED$$, SOME_DELIMS$$), "g"); +var NOT_HFVALUE = NOT_HFNAME; +function decodeUnreserved(str) { + var decStr = pctDecChars(str); + return !decStr.match(UNRESERVED) ? str : decStr; +} +var handler$4 = { + scheme: "mailto", + parse: function parse$$1(components, options) { + var mailtoComponents = components; + var to = mailtoComponents.to = mailtoComponents.path ? mailtoComponents.path.split(",") : []; + mailtoComponents.path = undefined; + if (mailtoComponents.query) { + var unknownHeaders = false; + var headers = {}; + var hfields = mailtoComponents.query.split("&"); + for (var x = 0, xl = hfields.length; x < xl; ++x) { + var hfield = hfields[x].split("="); + switch (hfield[0]) { + case "to": + var toAddrs = hfield[1].split(","); + for (var _x = 0, _xl = toAddrs.length; _x < _xl; ++_x) { + to.push(toAddrs[_x]); + } + break; + case "subject": + mailtoComponents.subject = unescapeComponent(hfield[1], options); + break; + case "body": + mailtoComponents.body = unescapeComponent(hfield[1], options); + break; + default: + unknownHeaders = true; + headers[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options); + break; + } + } + if (unknownHeaders) mailtoComponents.headers = headers; + } + mailtoComponents.query = undefined; + for (var _x2 = 0, _xl2 = to.length; _x2 < _xl2; ++_x2) { + var addr = to[_x2].split("@"); + addr[0] = unescapeComponent(addr[0]); + if (!options.unicodeSupport) { + //convert Unicode IDN -> ASCII IDN + try { + addr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase()); + } catch (e) { + mailtoComponents.error = mailtoComponents.error || "Email address's domain name can not be converted to ASCII via punycode: " + e; + } + } else { + addr[1] = unescapeComponent(addr[1], options).toLowerCase(); + } + to[_x2] = addr.join("@"); + } + return mailtoComponents; + }, + serialize: function serialize$$1(mailtoComponents, options) { + var components = mailtoComponents; + var to = toArray(mailtoComponents.to); + if (to) { + for (var x = 0, xl = to.length; x < xl; ++x) { + var toAddr = String(to[x]); + var atIdx = toAddr.lastIndexOf("@"); + var localPart = toAddr.slice(0, atIdx).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar); + var domain = toAddr.slice(atIdx + 1); + //convert IDN via punycode + try { + domain = !options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain); + } catch (e) { + components.error = components.error || "Email address's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e; + } + to[x] = localPart + "@" + domain; + } + components.path = to.join(","); + } + var headers = mailtoComponents.headers = mailtoComponents.headers || {}; + if (mailtoComponents.subject) headers["subject"] = mailtoComponents.subject; + if (mailtoComponents.body) headers["body"] = mailtoComponents.body; + var fields = []; + for (var name in headers) { + if (headers[name] !== O[name]) { + fields.push(name.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) + "=" + headers[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar)); + } + } + if (fields.length) { + components.query = fields.join("&"); + } + return components; + } +}; + +var URN_PARSE = /^([^\:]+)\:(.*)/; +//RFC 2141 +var handler$5 = { + scheme: "urn", + parse: function parse$$1(components, options) { + var matches = components.path && components.path.match(URN_PARSE); + var urnComponents = components; + if (matches) { + var scheme = options.scheme || urnComponents.scheme || "urn"; + var nid = matches[1].toLowerCase(); + var nss = matches[2]; + var urnScheme = scheme + ":" + (options.nid || nid); + var schemeHandler = SCHEMES[urnScheme]; + urnComponents.nid = nid; + urnComponents.nss = nss; + urnComponents.path = undefined; + if (schemeHandler) { + urnComponents = schemeHandler.parse(urnComponents, options); + } + } else { + urnComponents.error = urnComponents.error || "URN can not be parsed."; + } + return urnComponents; + }, + serialize: function serialize$$1(urnComponents, options) { + var scheme = options.scheme || urnComponents.scheme || "urn"; + var nid = urnComponents.nid; + var urnScheme = scheme + ":" + (options.nid || nid); + var schemeHandler = SCHEMES[urnScheme]; + if (schemeHandler) { + urnComponents = schemeHandler.serialize(urnComponents, options); + } + var uriComponents = urnComponents; + var nss = urnComponents.nss; + uriComponents.path = (nid || options.nid) + ":" + nss; + return uriComponents; + } +}; + +var UUID = /^[0-9A-Fa-f]{8}(?:\-[0-9A-Fa-f]{4}){3}\-[0-9A-Fa-f]{12}$/; +//RFC 4122 +var handler$6 = { + scheme: "urn:uuid", + parse: function parse(urnComponents, options) { + var uuidComponents = urnComponents; + uuidComponents.uuid = uuidComponents.nss; + uuidComponents.nss = undefined; + if (!options.tolerant && (!uuidComponents.uuid || !uuidComponents.uuid.match(UUID))) { + uuidComponents.error = uuidComponents.error || "UUID is not valid."; + } + return uuidComponents; + }, + serialize: function serialize(uuidComponents, options) { + var urnComponents = uuidComponents; + //normalize UUID + urnComponents.nss = (uuidComponents.uuid || "").toLowerCase(); + return urnComponents; + } +}; + +SCHEMES[handler.scheme] = handler; +SCHEMES[handler$1.scheme] = handler$1; +SCHEMES[handler$2.scheme] = handler$2; +SCHEMES[handler$3.scheme] = handler$3; +SCHEMES[handler$4.scheme] = handler$4; +SCHEMES[handler$5.scheme] = handler$5; +SCHEMES[handler$6.scheme] = handler$6; + +exports.SCHEMES = SCHEMES; +exports.pctEncChar = pctEncChar; +exports.pctDecChars = pctDecChars; +exports.parse = parse; +exports.removeDotSegments = removeDotSegments; +exports.serialize = serialize; +exports.resolveComponents = resolveComponents; +exports.resolve = resolve; +exports.normalize = normalize; +exports.equal = equal; +exports.escapeComponent = escapeComponent; +exports.unescapeComponent = unescapeComponent; + +Object.defineProperty(exports, '__esModule', { value: true }); + +}))); +//# sourceMappingURL=uri.all.js.map diff --git a/module/node_modules/uri-js/dist/es5/uri.all.js.map b/module/node_modules/uri-js/dist/es5/uri.all.js.map new file mode 100644 index 000000000..5b30c4e22 --- /dev/null +++ b/module/node_modules/uri-js/dist/es5/uri.all.js.map @@ -0,0 +1 @@ +{"version":3,"file":"uri.all.js","sources":["../../src/index.ts","../../src/schemes/urn-uuid.ts","../../src/schemes/urn.ts","../../src/schemes/mailto.ts","../../src/schemes/wss.ts","../../src/schemes/ws.ts","../../src/schemes/https.ts","../../src/schemes/http.ts","../../src/uri.ts","../../node_modules/punycode/punycode.es6.js","../../src/regexps-iri.ts","../../src/regexps-uri.ts","../../src/util.ts"],"sourcesContent":["import { SCHEMES } from \"./uri\";\n\nimport http from \"./schemes/http\";\nSCHEMES[http.scheme] = http;\n\nimport https from \"./schemes/https\";\nSCHEMES[https.scheme] = https;\n\nimport ws from \"./schemes/ws\";\nSCHEMES[ws.scheme] = ws;\n\nimport wss from \"./schemes/wss\";\nSCHEMES[wss.scheme] = wss;\n\nimport mailto from \"./schemes/mailto\";\nSCHEMES[mailto.scheme] = mailto;\n\nimport urn from \"./schemes/urn\";\nSCHEMES[urn.scheme] = urn;\n\nimport uuid from \"./schemes/urn-uuid\";\nSCHEMES[uuid.scheme] = uuid;\n\nexport * from \"./uri\";\n","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { URNComponents } from \"./urn\";\nimport { SCHEMES } from \"../uri\";\n\nexport interface UUIDComponents extends URNComponents {\n\tuuid?: string;\n}\n\nconst UUID = /^[0-9A-Fa-f]{8}(?:\\-[0-9A-Fa-f]{4}){3}\\-[0-9A-Fa-f]{12}$/;\nconst UUID_PARSE = /^[0-9A-Fa-f\\-]{36}/;\n\n//RFC 4122\nconst handler:URISchemeHandler = {\n\tscheme : \"urn:uuid\",\n\n\tparse : function (urnComponents:URNComponents, options:URIOptions):UUIDComponents {\n\t\tconst uuidComponents = urnComponents as UUIDComponents;\n\t\tuuidComponents.uuid = uuidComponents.nss;\n\t\tuuidComponents.nss = undefined;\n\n\t\tif (!options.tolerant && (!uuidComponents.uuid || !uuidComponents.uuid.match(UUID))) {\n\t\t\tuuidComponents.error = uuidComponents.error || \"UUID is not valid.\";\n\t\t}\n\n\t\treturn uuidComponents;\n\t},\n\n\tserialize : function (uuidComponents:UUIDComponents, options:URIOptions):URNComponents {\n\t\tconst urnComponents = uuidComponents as URNComponents;\n\t\t//normalize UUID\n\t\turnComponents.nss = (uuidComponents.uuid || \"\").toLowerCase();\n\t\treturn urnComponents;\n\t},\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { pctEncChar, SCHEMES } from \"../uri\";\n\nexport interface URNComponents extends URIComponents {\n\tnid?:string;\n\tnss?:string;\n}\n\nexport interface URNOptions extends URIOptions {\n\tnid?:string;\n}\n\nconst NID$ = \"(?:[0-9A-Za-z][0-9A-Za-z\\\\-]{1,31})\";\nconst PCT_ENCODED$ = \"(?:\\\\%[0-9A-Fa-f]{2})\";\nconst TRANS$$ = \"[0-9A-Za-z\\\\(\\\\)\\\\+\\\\,\\\\-\\\\.\\\\:\\\\=\\\\@\\\\;\\\\$\\\\_\\\\!\\\\*\\\\'\\\\/\\\\?\\\\#]\";\nconst NSS$ = \"(?:(?:\" + PCT_ENCODED$ + \"|\" + TRANS$$ + \")+)\";\nconst URN_SCHEME = new RegExp(\"^urn\\\\:(\" + NID$ + \")$\");\nconst URN_PATH = new RegExp(\"^(\" + NID$ + \")\\\\:(\" + NSS$ + \")$\");\nconst URN_PARSE = /^([^\\:]+)\\:(.*)/;\nconst URN_EXCLUDED = /[\\x00-\\x20\\\\\\\"\\&\\<\\>\\[\\]\\^\\`\\{\\|\\}\\~\\x7F-\\xFF]/g;\n\n//RFC 2141\nconst handler:URISchemeHandler = {\n\tscheme : \"urn\",\n\n\tparse : function (components:URIComponents, options:URNOptions):URNComponents {\n\t\tconst matches = components.path && components.path.match(URN_PARSE);\n\t\tlet urnComponents = components as URNComponents;\n\n\t\tif (matches) {\n\t\t\tconst scheme = options.scheme || urnComponents.scheme || \"urn\";\n\t\t\tconst nid = matches[1].toLowerCase();\n\t\t\tconst nss = matches[2];\n\t\t\tconst urnScheme = `${scheme}:${options.nid || nid}`;\n\t\t\tconst schemeHandler = SCHEMES[urnScheme];\n\n\t\t\turnComponents.nid = nid;\n\t\t\turnComponents.nss = nss;\n\t\t\turnComponents.path = undefined;\n\n\t\t\tif (schemeHandler) {\n\t\t\t\turnComponents = schemeHandler.parse(urnComponents, options) as URNComponents;\n\t\t\t}\n\t\t} else {\n\t\t\turnComponents.error = urnComponents.error || \"URN can not be parsed.\";\n\t\t}\n\n\t\treturn urnComponents;\n\t},\n\n\tserialize : function (urnComponents:URNComponents, options:URNOptions):URIComponents {\n\t\tconst scheme = options.scheme || urnComponents.scheme || \"urn\";\n\t\tconst nid = urnComponents.nid;\n\t\tconst urnScheme = `${scheme}:${options.nid || nid}`;\n\t\tconst schemeHandler = SCHEMES[urnScheme];\n\n\t\tif (schemeHandler) {\n\t\t\turnComponents = schemeHandler.serialize(urnComponents, options) as URNComponents;\n\t\t}\n\n\t\tconst uriComponents = urnComponents as URIComponents;\n\t\tconst nss = urnComponents.nss;\n\t\turiComponents.path = `${nid || options.nid}:${nss}`;\n\n\t\treturn uriComponents;\n\t},\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { pctEncChar, pctDecChars, unescapeComponent } from \"../uri\";\nimport punycode from \"punycode\";\nimport { merge, subexp, toUpperCase, toArray } from \"../util\";\n\nexport interface MailtoHeaders {\n\t[hfname:string]:string\n}\n\nexport interface MailtoComponents extends URIComponents {\n\tto:Array,\n\theaders?:MailtoHeaders,\n\tsubject?:string,\n\tbody?:string\n}\n\nconst O:MailtoHeaders = {};\nconst isIRI = true;\n\n//RFC 3986\nconst UNRESERVED$$ = \"[A-Za-z0-9\\\\-\\\\.\\\\_\\\\~\" + (isIRI ? \"\\\\xA0-\\\\u200D\\\\u2010-\\\\u2029\\\\u202F-\\\\uD7FF\\\\uF900-\\\\uFDCF\\\\uFDF0-\\\\uFFEF\" : \"\") + \"]\";\nconst HEXDIG$$ = \"[0-9A-Fa-f]\"; //case-insensitive\nconst PCT_ENCODED$ = subexp(subexp(\"%[EFef]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%[89A-Fa-f]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%\" + HEXDIG$$ + HEXDIG$$)); //expanded\n\n//RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; =\n//const ATEXT$$ = \"[A-Za-z0-9\\\\!\\\\#\\\\$\\\\%\\\\&\\\\'\\\\*\\\\+\\\\-\\\\/\\\\=\\\\?\\\\^\\\\_\\\\`\\\\{\\\\|\\\\}\\\\~]\";\n//const WSP$$ = \"[\\\\x20\\\\x09]\";\n//const OBS_QTEXT$$ = \"[\\\\x01-\\\\x08\\\\x0B\\\\x0C\\\\x0E-\\\\x1F\\\\x7F]\"; //(%d1-8 / %d11-12 / %d14-31 / %d127)\n//const QTEXT$$ = merge(\"[\\\\x21\\\\x23-\\\\x5B\\\\x5D-\\\\x7E]\", OBS_QTEXT$$); //%d33 / %d35-91 / %d93-126 / obs-qtext\n//const VCHAR$$ = \"[\\\\x21-\\\\x7E]\";\n//const WSP$$ = \"[\\\\x20\\\\x09]\";\n//const OBS_QP$ = subexp(\"\\\\\\\\\" + merge(\"[\\\\x00\\\\x0D\\\\x0A]\", OBS_QTEXT$$)); //%d0 / CR / LF / obs-qtext\n//const FWS$ = subexp(subexp(WSP$$ + \"*\" + \"\\\\x0D\\\\x0A\") + \"?\" + WSP$$ + \"+\");\n//const QUOTED_PAIR$ = subexp(subexp(\"\\\\\\\\\" + subexp(VCHAR$$ + \"|\" + WSP$$)) + \"|\" + OBS_QP$);\n//const QUOTED_STRING$ = subexp('\\\\\"' + subexp(FWS$ + \"?\" + QCONTENT$) + \"*\" + FWS$ + \"?\" + '\\\\\"');\nconst ATEXT$$ = \"[A-Za-z0-9\\\\!\\\\$\\\\%\\\\'\\\\*\\\\+\\\\-\\\\^\\\\_\\\\`\\\\{\\\\|\\\\}\\\\~]\";\nconst QTEXT$$ = \"[\\\\!\\\\$\\\\%\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\-\\\\.0-9\\\\<\\\\>A-Z\\\\x5E-\\\\x7E]\";\nconst VCHAR$$ = merge(QTEXT$$, \"[\\\\\\\"\\\\\\\\]\");\nconst DOT_ATOM_TEXT$ = subexp(ATEXT$$ + \"+\" + subexp(\"\\\\.\" + ATEXT$$ + \"+\") + \"*\");\nconst QUOTED_PAIR$ = subexp(\"\\\\\\\\\" + VCHAR$$);\nconst QCONTENT$ = subexp(QTEXT$$ + \"|\" + QUOTED_PAIR$);\nconst QUOTED_STRING$ = subexp('\\\\\"' + QCONTENT$ + \"*\" + '\\\\\"');\n\n//RFC 6068\nconst DTEXT_NO_OBS$$ = \"[\\\\x21-\\\\x5A\\\\x5E-\\\\x7E]\"; //%d33-90 / %d94-126\nconst SOME_DELIMS$$ = \"[\\\\!\\\\$\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\;\\\\:\\\\@]\";\nconst QCHAR$ = subexp(UNRESERVED$$ + \"|\" + PCT_ENCODED$ + \"|\" + SOME_DELIMS$$);\nconst DOMAIN$ = subexp(DOT_ATOM_TEXT$ + \"|\" + \"\\\\[\" + DTEXT_NO_OBS$$ + \"*\" + \"\\\\]\");\nconst LOCAL_PART$ = subexp(DOT_ATOM_TEXT$ + \"|\" + QUOTED_STRING$);\nconst ADDR_SPEC$ = subexp(LOCAL_PART$ + \"\\\\@\" + DOMAIN$);\nconst TO$ = subexp(ADDR_SPEC$ + subexp(\"\\\\,\" + ADDR_SPEC$) + \"*\");\nconst HFNAME$ = subexp(QCHAR$ + \"*\");\nconst HFVALUE$ = HFNAME$;\nconst HFIELD$ = subexp(HFNAME$ + \"\\\\=\" + HFVALUE$);\nconst HFIELDS2$ = subexp(HFIELD$ + subexp(\"\\\\&\" + HFIELD$) + \"*\");\nconst HFIELDS$ = subexp(\"\\\\?\" + HFIELDS2$);\nconst MAILTO_URI = new RegExp(\"^mailto\\\\:\" + TO$ + \"?\" + HFIELDS$ + \"?$\");\n\nconst UNRESERVED = new RegExp(UNRESERVED$$, \"g\");\nconst PCT_ENCODED = new RegExp(PCT_ENCODED$, \"g\");\nconst NOT_LOCAL_PART = new RegExp(merge(\"[^]\", ATEXT$$, \"[\\\\.]\", '[\\\\\"]', VCHAR$$), \"g\");\nconst NOT_DOMAIN = new RegExp(merge(\"[^]\", ATEXT$$, \"[\\\\.]\", \"[\\\\[]\", DTEXT_NO_OBS$$, \"[\\\\]]\"), \"g\");\nconst NOT_HFNAME = new RegExp(merge(\"[^]\", UNRESERVED$$, SOME_DELIMS$$), \"g\");\nconst NOT_HFVALUE = NOT_HFNAME;\nconst TO = new RegExp(\"^\" + TO$ + \"$\");\nconst HFIELDS = new RegExp(\"^\" + HFIELDS2$ + \"$\");\n\nfunction decodeUnreserved(str:string):string {\n\tconst decStr = pctDecChars(str);\n\treturn (!decStr.match(UNRESERVED) ? str : decStr);\n}\n\nconst handler:URISchemeHandler = {\n\tscheme : \"mailto\",\n\n\tparse : function (components:URIComponents, options:URIOptions):MailtoComponents {\n\t\tconst mailtoComponents = components as MailtoComponents;\n\t\tconst to = mailtoComponents.to = (mailtoComponents.path ? mailtoComponents.path.split(\",\") : []);\n\t\tmailtoComponents.path = undefined;\n\n\t\tif (mailtoComponents.query) {\n\t\t\tlet unknownHeaders = false\n\t\t\tconst headers:MailtoHeaders = {};\n\t\t\tconst hfields = mailtoComponents.query.split(\"&\");\n\n\t\t\tfor (let x = 0, xl = hfields.length; x < xl; ++x) {\n\t\t\t\tconst hfield = hfields[x].split(\"=\");\n\n\t\t\t\tswitch (hfield[0]) {\n\t\t\t\t\tcase \"to\":\n\t\t\t\t\t\tconst toAddrs = hfield[1].split(\",\");\n\t\t\t\t\t\tfor (let x = 0, xl = toAddrs.length; x < xl; ++x) {\n\t\t\t\t\t\t\tto.push(toAddrs[x]);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"subject\":\n\t\t\t\t\t\tmailtoComponents.subject = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"body\":\n\t\t\t\t\t\tmailtoComponents.body = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tunknownHeaders = true;\n\t\t\t\t\t\theaders[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (unknownHeaders) mailtoComponents.headers = headers;\n\t\t}\n\n\t\tmailtoComponents.query = undefined;\n\n\t\tfor (let x = 0, xl = to.length; x < xl; ++x) {\n\t\t\tconst addr = to[x].split(\"@\");\n\n\t\t\taddr[0] = unescapeComponent(addr[0]);\n\n\t\t\tif (!options.unicodeSupport) {\n\t\t\t\t//convert Unicode IDN -> ASCII IDN\n\t\t\t\ttry {\n\t\t\t\t\taddr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase());\n\t\t\t\t} catch (e) {\n\t\t\t\t\tmailtoComponents.error = mailtoComponents.error || \"Email address's domain name can not be converted to ASCII via punycode: \" + e;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\taddr[1] = unescapeComponent(addr[1], options).toLowerCase();\n\t\t\t}\n\n\t\t\tto[x] = addr.join(\"@\");\n\t\t}\n\n\t\treturn mailtoComponents;\n\t},\n\n\tserialize : function (mailtoComponents:MailtoComponents, options:URIOptions):URIComponents {\n\t\tconst components = mailtoComponents as URIComponents;\n\t\tconst to = toArray(mailtoComponents.to);\n\t\tif (to) {\n\t\t\tfor (let x = 0, xl = to.length; x < xl; ++x) {\n\t\t\t\tconst toAddr = String(to[x]);\n\t\t\t\tconst atIdx = toAddr.lastIndexOf(\"@\");\n\t\t\t\tconst localPart = (toAddr.slice(0, atIdx)).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar);\n\t\t\t\tlet domain = toAddr.slice(atIdx + 1);\n\n\t\t\t\t//convert IDN via punycode\n\t\t\t\ttry {\n\t\t\t\t\tdomain = (!options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain));\n\t\t\t\t} catch (e) {\n\t\t\t\t\tcomponents.error = components.error || \"Email address's domain name can not be converted to \" + (!options.iri ? \"ASCII\" : \"Unicode\") + \" via punycode: \" + e;\n\t\t\t\t}\n\n\t\t\t\tto[x] = localPart + \"@\" + domain;\n\t\t\t}\n\n\t\t\tcomponents.path = to.join(\",\");\n\t\t}\n\n\t\tconst headers = mailtoComponents.headers = mailtoComponents.headers || {};\n\n\t\tif (mailtoComponents.subject) headers[\"subject\"] = mailtoComponents.subject;\n\t\tif (mailtoComponents.body) headers[\"body\"] = mailtoComponents.body;\n\n\t\tconst fields = [];\n\t\tfor (const name in headers) {\n\t\t\tif (headers[name] !== O[name]) {\n\t\t\t\tfields.push(\n\t\t\t\t\tname.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) +\n\t\t\t\t\t\"=\" +\n\t\t\t\t\theaders[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar)\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t\tif (fields.length) {\n\t\t\tcomponents.query = fields.join(\"&\");\n\t\t}\n\n\t\treturn components;\n\t}\n}\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport ws from \"./ws\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"wss\",\n\tdomainHost : ws.domainHost,\n\tparse : ws.parse,\n\tserialize : ws.serialize\n}\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\n\nexport interface WSComponents extends URIComponents {\n\tresourceName?: string;\n\tsecure?: boolean;\n}\n\nfunction isSecure(wsComponents:WSComponents):boolean {\n\treturn typeof wsComponents.secure === 'boolean' ? wsComponents.secure : String(wsComponents.scheme).toLowerCase() === \"wss\";\n}\n\n//RFC 6455\nconst handler:URISchemeHandler = {\n\tscheme : \"ws\",\n\n\tdomainHost : true,\n\n\tparse : function (components:URIComponents, options:URIOptions):WSComponents {\n\t\tconst wsComponents = components as WSComponents;\n\n\t\t//indicate if the secure flag is set\n\t\twsComponents.secure = isSecure(wsComponents);\n\n\t\t//construct resouce name\n\t\twsComponents.resourceName = (wsComponents.path || '/') + (wsComponents.query ? '?' + wsComponents.query : '');\n\t\twsComponents.path = undefined;\n\t\twsComponents.query = undefined;\n\n\t\treturn wsComponents;\n\t},\n\n\tserialize : function (wsComponents:WSComponents, options:URIOptions):URIComponents {\n\t\t//normalize the default port\n\t\tif (wsComponents.port === (isSecure(wsComponents) ? 443 : 80) || wsComponents.port === \"\") {\n\t\t\twsComponents.port = undefined;\n\t\t}\n\n\t\t//ensure scheme matches secure flag\n\t\tif (typeof wsComponents.secure === 'boolean') {\n\t\t\twsComponents.scheme = (wsComponents.secure ? 'wss' : 'ws');\n\t\t\twsComponents.secure = undefined;\n\t\t}\n\n\t\t//reconstruct path from resource name\n\t\tif (wsComponents.resourceName) {\n\t\t\tconst [path, query] = wsComponents.resourceName.split('?');\n\t\t\twsComponents.path = (path && path !== '/' ? path : undefined);\n\t\t\twsComponents.query = query;\n\t\t\twsComponents.resourceName = undefined;\n\t\t}\n\n\t\t//forbid fragment component\n\t\twsComponents.fragment = undefined;\n\n\t\treturn wsComponents;\n\t}\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport http from \"./http\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"https\",\n\tdomainHost : http.domainHost,\n\tparse : http.parse,\n\tserialize : http.serialize\n}\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"http\",\n\n\tdomainHost : true,\n\n\tparse : function (components:URIComponents, options:URIOptions):URIComponents {\n\t\t//report missing host\n\t\tif (!components.host) {\n\t\t\tcomponents.error = components.error || \"HTTP URIs must have a host.\";\n\t\t}\n\n\t\treturn components;\n\t},\n\n\tserialize : function (components:URIComponents, options:URIOptions):URIComponents {\n\t\tconst secure = String(components.scheme).toLowerCase() === \"https\";\n\n\t\t//normalize the default port\n\t\tif (components.port === (secure ? 443 : 80) || components.port === \"\") {\n\t\t\tcomponents.port = undefined;\n\t\t}\n\t\t\n\t\t//normalize the empty path\n\t\tif (!components.path) {\n\t\t\tcomponents.path = \"/\";\n\t\t}\n\n\t\t//NOTE: We do not parse query strings for HTTP URIs\n\t\t//as WWW Form Url Encoded query strings are part of the HTML4+ spec,\n\t\t//and not the HTTP spec.\n\n\t\treturn components;\n\t}\n};\n\nexport default handler;","/**\n * URI.js\n *\n * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript.\n * @author Gary Court\n * @see http://github.com/garycourt/uri-js\n */\n\n/**\n * Copyright 2011 Gary Court. All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification, are\n * permitted provided that the following conditions are met:\n *\n * 1. Redistributions of source code must retain the above copyright notice, this list of\n * conditions and the following disclaimer.\n *\n * 2. Redistributions in binary form must reproduce the above copyright notice, this list\n * of conditions and the following disclaimer in the documentation and/or other materials\n * provided with the distribution.\n *\n * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED\n * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND\n * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR\n * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR\n * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\n * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\n * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF\n * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n *\n * The views and conclusions contained in the software and documentation are those of the\n * authors and should not be interpreted as representing official policies, either expressed\n * or implied, of Gary Court.\n */\n\nimport URI_PROTOCOL from \"./regexps-uri\";\nimport IRI_PROTOCOL from \"./regexps-iri\";\nimport punycode from \"punycode\";\nimport { toUpperCase, typeOf, assign } from \"./util\";\n\nexport interface URIComponents {\n\tscheme?:string;\n\tuserinfo?:string;\n\thost?:string;\n\tport?:number|string;\n\tpath?:string;\n\tquery?:string;\n\tfragment?:string;\n\treference?:string;\n\terror?:string;\n}\n\nexport interface URIOptions {\n\tscheme?:string;\n\treference?:string;\n\ttolerant?:boolean;\n\tabsolutePath?:boolean;\n\tiri?:boolean;\n\tunicodeSupport?:boolean;\n\tdomainHost?:boolean;\n}\n\nexport interface URISchemeHandler {\n\tscheme:string;\n\tparse(components:ParentComponents, options:Options):Components;\n\tserialize(components:Components, options:Options):ParentComponents;\n\tunicodeSupport?:boolean;\n\tdomainHost?:boolean;\n\tabsolutePath?:boolean;\n}\n\nexport interface URIRegExps {\n\tNOT_SCHEME : RegExp,\n\tNOT_USERINFO : RegExp,\n\tNOT_HOST : RegExp,\n\tNOT_PATH : RegExp,\n\tNOT_PATH_NOSCHEME : RegExp,\n\tNOT_QUERY : RegExp,\n\tNOT_FRAGMENT : RegExp,\n\tESCAPE : RegExp,\n\tUNRESERVED : RegExp,\n\tOTHER_CHARS : RegExp,\n\tPCT_ENCODED : RegExp,\n\tIPV4ADDRESS : RegExp,\n\tIPV6ADDRESS : RegExp,\n}\n\nexport const SCHEMES:{[scheme:string]:URISchemeHandler} = {};\n\nexport function pctEncChar(chr:string):string {\n\tconst c = chr.charCodeAt(0);\n\tlet e:string;\n\n\tif (c < 16) e = \"%0\" + c.toString(16).toUpperCase();\n\telse if (c < 128) e = \"%\" + c.toString(16).toUpperCase();\n\telse if (c < 2048) e = \"%\" + ((c >> 6) | 192).toString(16).toUpperCase() + \"%\" + ((c & 63) | 128).toString(16).toUpperCase();\n\telse e = \"%\" + ((c >> 12) | 224).toString(16).toUpperCase() + \"%\" + (((c >> 6) & 63) | 128).toString(16).toUpperCase() + \"%\" + ((c & 63) | 128).toString(16).toUpperCase();\n\n\treturn e;\n}\n\nexport function pctDecChars(str:string):string {\n\tlet newStr = \"\";\n\tlet i = 0;\n\tconst il = str.length;\n\n\twhile (i < il) {\n\t\tconst c = parseInt(str.substr(i + 1, 2), 16);\n\n\t\tif (c < 128) {\n\t\t\tnewStr += String.fromCharCode(c);\n\t\t\ti += 3;\n\t\t}\n\t\telse if (c >= 194 && c < 224) {\n\t\t\tif ((il - i) >= 6) {\n\t\t\t\tconst c2 = parseInt(str.substr(i + 4, 2), 16);\n\t\t\t\tnewStr += String.fromCharCode(((c & 31) << 6) | (c2 & 63));\n\t\t\t} else {\n\t\t\t\tnewStr += str.substr(i, 6);\n\t\t\t}\n\t\t\ti += 6;\n\t\t}\n\t\telse if (c >= 224) {\n\t\t\tif ((il - i) >= 9) {\n\t\t\t\tconst c2 = parseInt(str.substr(i + 4, 2), 16);\n\t\t\t\tconst c3 = parseInt(str.substr(i + 7, 2), 16);\n\t\t\t\tnewStr += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));\n\t\t\t} else {\n\t\t\t\tnewStr += str.substr(i, 9);\n\t\t\t}\n\t\t\ti += 9;\n\t\t}\n\t\telse {\n\t\t\tnewStr += str.substr(i, 3);\n\t\t\ti += 3;\n\t\t}\n\t}\n\n\treturn newStr;\n}\n\nfunction _normalizeComponentEncoding(components:URIComponents, protocol:URIRegExps) {\n\tfunction decodeUnreserved(str:string):string {\n\t\tconst decStr = pctDecChars(str);\n\t\treturn (!decStr.match(protocol.UNRESERVED) ? str : decStr);\n\t}\n\n\tif (components.scheme) components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, \"\");\n\tif (components.userinfo !== undefined) components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.host !== undefined) components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.path !== undefined) components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace((components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME), pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.query !== undefined) components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.fragment !== undefined) components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\n\treturn components;\n};\n\nfunction _stripLeadingZeros(str:string):string {\n\treturn str.replace(/^0*(.*)/, \"$1\") || \"0\";\n}\n\nfunction _normalizeIPv4(host:string, protocol:URIRegExps):string {\n\tconst matches = host.match(protocol.IPV4ADDRESS) || [];\n\tconst [, address] = matches;\n\t\n\tif (address) {\n\t\treturn address.split(\".\").map(_stripLeadingZeros).join(\".\");\n\t} else {\n\t\treturn host;\n\t}\n}\n\nfunction _normalizeIPv6(host:string, protocol:URIRegExps):string {\n\tconst matches = host.match(protocol.IPV6ADDRESS) || [];\n\tconst [, address, zone] = matches;\n\n\tif (address) {\n\t\tconst [last, first] = address.toLowerCase().split('::').reverse();\n\t\tconst firstFields = first ? first.split(\":\").map(_stripLeadingZeros) : [];\n\t\tconst lastFields = last.split(\":\").map(_stripLeadingZeros);\n\t\tconst isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]);\n\t\tconst fieldCount = isLastFieldIPv4Address ? 7 : 8;\n\t\tconst lastFieldsStart = lastFields.length - fieldCount;\n\t\tconst fields = Array(fieldCount);\n\n\t\tfor (let x = 0; x < fieldCount; ++x) {\n\t\t\tfields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || '';\n\t\t}\n\n\t\tif (isLastFieldIPv4Address) {\n\t\t\tfields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol);\n\t\t}\n\n\t\tconst allZeroFields = fields.reduce>((acc, field, index) => {\n\t\t\tif (!field || field === \"0\") {\n\t\t\t\tconst lastLongest = acc[acc.length - 1];\n\t\t\t\tif (lastLongest && lastLongest.index + lastLongest.length === index) {\n\t\t\t\t\tlastLongest.length++;\n\t\t\t\t} else {\n\t\t\t\t\tacc.push({ index, length : 1 });\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn acc;\n\t\t}, []);\n\n\t\tconst longestZeroFields = allZeroFields.sort((a, b) => b.length - a.length)[0];\n\n\t\tlet newHost:string;\n\t\tif (longestZeroFields && longestZeroFields.length > 1) {\n\t\t\tconst newFirst = fields.slice(0, longestZeroFields.index) ;\n\t\t\tconst newLast = fields.slice(longestZeroFields.index + longestZeroFields.length);\n\t\t\tnewHost = newFirst.join(\":\") + \"::\" + newLast.join(\":\");\n\t\t} else {\n\t\t\tnewHost = fields.join(\":\");\n\t\t}\n\n\t\tif (zone) {\n\t\t\tnewHost += \"%\" + zone;\n\t\t}\n\n\t\treturn newHost;\n\t} else {\n\t\treturn host;\n\t}\n}\n\nconst URI_PARSE = /^(?:([^:\\/?#]+):)?(?:\\/\\/((?:([^\\/?#@]*)@)?(\\[[^\\/?#\\]]+\\]|[^\\/?#:]*)(?:\\:(\\d*))?))?([^?#]*)(?:\\?([^#]*))?(?:#((?:.|\\n|\\r)*))?/i;\nconst NO_MATCH_IS_UNDEFINED = ((\"\").match(/(){0}/))[1] === undefined;\n\nexport function parse(uriString:string, options:URIOptions = {}):URIComponents {\n\tconst components:URIComponents = {};\n\tconst protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);\n\n\tif (options.reference === \"suffix\") uriString = (options.scheme ? options.scheme + \":\" : \"\") + \"//\" + uriString;\n\n\tconst matches = uriString.match(URI_PARSE);\n\n\tif (matches) {\n\t\tif (NO_MATCH_IS_UNDEFINED) {\n\t\t\t//store each component\n\t\t\tcomponents.scheme = matches[1];\n\t\t\tcomponents.userinfo = matches[3];\n\t\t\tcomponents.host = matches[4];\n\t\t\tcomponents.port = parseInt(matches[5], 10);\n\t\t\tcomponents.path = matches[6] || \"\";\n\t\t\tcomponents.query = matches[7];\n\t\t\tcomponents.fragment = matches[8];\n\n\t\t\t//fix port number\n\t\t\tif (isNaN(components.port)) {\n\t\t\t\tcomponents.port = matches[5];\n\t\t\t}\n\t\t} else { //IE FIX for improper RegExp matching\n\t\t\t//store each component\n\t\t\tcomponents.scheme = matches[1] || undefined;\n\t\t\tcomponents.userinfo = (uriString.indexOf(\"@\") !== -1 ? matches[3] : undefined);\n\t\t\tcomponents.host = (uriString.indexOf(\"//\") !== -1 ? matches[4] : undefined);\n\t\t\tcomponents.port = parseInt(matches[5], 10);\n\t\t\tcomponents.path = matches[6] || \"\";\n\t\t\tcomponents.query = (uriString.indexOf(\"?\") !== -1 ? matches[7] : undefined);\n\t\t\tcomponents.fragment = (uriString.indexOf(\"#\") !== -1 ? matches[8] : undefined);\n\n\t\t\t//fix port number\n\t\t\tif (isNaN(components.port)) {\n\t\t\t\tcomponents.port = (uriString.match(/\\/\\/(?:.|\\n)*\\:(?:\\/|\\?|\\#|$)/) ? matches[4] : undefined);\n\t\t\t}\n\t\t}\n\n\t\tif (components.host) {\n\t\t\t//normalize IP hosts\n\t\t\tcomponents.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol);\n\t\t}\n\n\t\t//determine reference type\n\t\tif (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) {\n\t\t\tcomponents.reference = \"same-document\";\n\t\t} else if (components.scheme === undefined) {\n\t\t\tcomponents.reference = \"relative\";\n\t\t} else if (components.fragment === undefined) {\n\t\t\tcomponents.reference = \"absolute\";\n\t\t} else {\n\t\t\tcomponents.reference = \"uri\";\n\t\t}\n\n\t\t//check for reference errors\n\t\tif (options.reference && options.reference !== \"suffix\" && options.reference !== components.reference) {\n\t\t\tcomponents.error = components.error || \"URI is not a \" + options.reference + \" reference.\";\n\t\t}\n\n\t\t//find scheme handler\n\t\tconst schemeHandler = SCHEMES[(options.scheme || components.scheme || \"\").toLowerCase()];\n\n\t\t//check if scheme can't handle IRIs\n\t\tif (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) {\n\t\t\t//if host component is a domain name\n\t\t\tif (components.host && (options.domainHost || (schemeHandler && schemeHandler.domainHost))) {\n\t\t\t\t//convert Unicode IDN -> ASCII IDN\n\t\t\t\ttry {\n\t\t\t\t\tcomponents.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase());\n\t\t\t\t} catch (e) {\n\t\t\t\t\tcomponents.error = components.error || \"Host's domain name can not be converted to ASCII via punycode: \" + e;\n\t\t\t\t}\n\t\t\t}\n\t\t\t//convert IRI -> URI\n\t\t\t_normalizeComponentEncoding(components, URI_PROTOCOL);\n\t\t} else {\n\t\t\t//normalize encodings\n\t\t\t_normalizeComponentEncoding(components, protocol);\n\t\t}\n\n\t\t//perform scheme specific parsing\n\t\tif (schemeHandler && schemeHandler.parse) {\n\t\t\tschemeHandler.parse(components, options);\n\t\t}\n\t} else {\n\t\tcomponents.error = components.error || \"URI can not be parsed.\";\n\t}\n\n\treturn components;\n};\n\nfunction _recomposeAuthority(components:URIComponents, options:URIOptions):string|undefined {\n\tconst protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);\n\tconst uriTokens:Array = [];\n\n\tif (components.userinfo !== undefined) {\n\t\turiTokens.push(components.userinfo);\n\t\turiTokens.push(\"@\");\n\t}\n\n\tif (components.host !== undefined) {\n\t\t//normalize IP hosts, add brackets and escape zone separator for IPv6\n\t\turiTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, (_, $1, $2) => \"[\" + $1 + ($2 ? \"%25\" + $2 : \"\") + \"]\"));\n\t}\n\n\tif (typeof components.port === \"number\" || typeof components.port === \"string\") {\n\t\turiTokens.push(\":\");\n\t\turiTokens.push(String(components.port));\n\t}\n\n\treturn uriTokens.length ? uriTokens.join(\"\") : undefined;\n};\n\nconst RDS1 = /^\\.\\.?\\//;\nconst RDS2 = /^\\/\\.(\\/|$)/;\nconst RDS3 = /^\\/\\.\\.(\\/|$)/;\nconst RDS4 = /^\\.\\.?$/;\nconst RDS5 = /^\\/?(?:.|\\n)*?(?=\\/|$)/;\n\nexport function removeDotSegments(input:string):string {\n\tconst output:Array = [];\n\n\twhile (input.length) {\n\t\tif (input.match(RDS1)) {\n\t\t\tinput = input.replace(RDS1, \"\");\n\t\t} else if (input.match(RDS2)) {\n\t\t\tinput = input.replace(RDS2, \"/\");\n\t\t} else if (input.match(RDS3)) {\n\t\t\tinput = input.replace(RDS3, \"/\");\n\t\t\toutput.pop();\n\t\t} else if (input === \".\" || input === \"..\") {\n\t\t\tinput = \"\";\n\t\t} else {\n\t\t\tconst im = input.match(RDS5);\n\t\t\tif (im) {\n\t\t\t\tconst s = im[0];\n\t\t\t\tinput = input.slice(s.length);\n\t\t\t\toutput.push(s);\n\t\t\t} else {\n\t\t\t\tthrow new Error(\"Unexpected dot segment condition\");\n\t\t\t}\n\t\t}\n\t}\n\n\treturn output.join(\"\");\n};\n\nexport function serialize(components:URIComponents, options:URIOptions = {}):string {\n\tconst protocol = (options.iri ? IRI_PROTOCOL : URI_PROTOCOL);\n\tconst uriTokens:Array = [];\n\n\t//find scheme handler\n\tconst schemeHandler = SCHEMES[(options.scheme || components.scheme || \"\").toLowerCase()];\n\n\t//perform scheme specific serialization\n\tif (schemeHandler && schemeHandler.serialize) schemeHandler.serialize(components, options);\n\n\tif (components.host) {\n\t\t//if host component is an IPv6 address\n\t\tif (protocol.IPV6ADDRESS.test(components.host)) {\n\t\t\t//TODO: normalize IPv6 address as per RFC 5952\n\t\t}\n\n\t\t//if host component is a domain name\n\t\telse if (options.domainHost || (schemeHandler && schemeHandler.domainHost)) {\n\t\t\t//convert IDN via punycode\n\t\t\ttry {\n\t\t\t\tcomponents.host = (!options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host));\n\t\t\t} catch (e) {\n\t\t\t\tcomponents.error = components.error || \"Host's domain name can not be converted to \" + (!options.iri ? \"ASCII\" : \"Unicode\") + \" via punycode: \" + e;\n\t\t\t}\n\t\t}\n\t}\n\n\t//normalize encoding\n\t_normalizeComponentEncoding(components, protocol);\n\n\tif (options.reference !== \"suffix\" && components.scheme) {\n\t\turiTokens.push(components.scheme);\n\t\turiTokens.push(\":\");\n\t}\n\n\tconst authority = _recomposeAuthority(components, options);\n\tif (authority !== undefined) {\n\t\tif (options.reference !== \"suffix\") {\n\t\t\turiTokens.push(\"//\");\n\t\t}\n\n\t\turiTokens.push(authority);\n\n\t\tif (components.path && components.path.charAt(0) !== \"/\") {\n\t\t\turiTokens.push(\"/\");\n\t\t}\n\t}\n\n\tif (components.path !== undefined) {\n\t\tlet s = components.path;\n\n\t\tif (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) {\n\t\t\ts = removeDotSegments(s);\n\t\t}\n\n\t\tif (authority === undefined) {\n\t\t\ts = s.replace(/^\\/\\//, \"/%2F\"); //don't allow the path to start with \"//\"\n\t\t}\n\n\t\turiTokens.push(s);\n\t}\n\n\tif (components.query !== undefined) {\n\t\turiTokens.push(\"?\");\n\t\turiTokens.push(components.query);\n\t}\n\n\tif (components.fragment !== undefined) {\n\t\turiTokens.push(\"#\");\n\t\turiTokens.push(components.fragment);\n\t}\n\n\treturn uriTokens.join(\"\"); //merge tokens into a string\n};\n\nexport function resolveComponents(base:URIComponents, relative:URIComponents, options:URIOptions = {}, skipNormalization?:boolean):URIComponents {\n\tconst target:URIComponents = {};\n\n\tif (!skipNormalization) {\n\t\tbase = parse(serialize(base, options), options); //normalize base components\n\t\trelative = parse(serialize(relative, options), options); //normalize relative components\n\t}\n\toptions = options || {};\n\n\tif (!options.tolerant && relative.scheme) {\n\t\ttarget.scheme = relative.scheme;\n\t\t//target.authority = relative.authority;\n\t\ttarget.userinfo = relative.userinfo;\n\t\ttarget.host = relative.host;\n\t\ttarget.port = relative.port;\n\t\ttarget.path = removeDotSegments(relative.path || \"\");\n\t\ttarget.query = relative.query;\n\t} else {\n\t\tif (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) {\n\t\t\t//target.authority = relative.authority;\n\t\t\ttarget.userinfo = relative.userinfo;\n\t\t\ttarget.host = relative.host;\n\t\t\ttarget.port = relative.port;\n\t\t\ttarget.path = removeDotSegments(relative.path || \"\");\n\t\t\ttarget.query = relative.query;\n\t\t} else {\n\t\t\tif (!relative.path) {\n\t\t\t\ttarget.path = base.path;\n\t\t\t\tif (relative.query !== undefined) {\n\t\t\t\t\ttarget.query = relative.query;\n\t\t\t\t} else {\n\t\t\t\t\ttarget.query = base.query;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tif (relative.path.charAt(0) === \"/\") {\n\t\t\t\t\ttarget.path = removeDotSegments(relative.path);\n\t\t\t\t} else {\n\t\t\t\t\tif ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) {\n\t\t\t\t\t\ttarget.path = \"/\" + relative.path;\n\t\t\t\t\t} else if (!base.path) {\n\t\t\t\t\t\ttarget.path = relative.path;\n\t\t\t\t\t} else {\n\t\t\t\t\t\ttarget.path = base.path.slice(0, base.path.lastIndexOf(\"/\") + 1) + relative.path;\n\t\t\t\t\t}\n\t\t\t\t\ttarget.path = removeDotSegments(target.path);\n\t\t\t\t}\n\t\t\t\ttarget.query = relative.query;\n\t\t\t}\n\t\t\t//target.authority = base.authority;\n\t\t\ttarget.userinfo = base.userinfo;\n\t\t\ttarget.host = base.host;\n\t\t\ttarget.port = base.port;\n\t\t}\n\t\ttarget.scheme = base.scheme;\n\t}\n\n\ttarget.fragment = relative.fragment;\n\n\treturn target;\n};\n\nexport function resolve(baseURI:string, relativeURI:string, options?:URIOptions):string {\n\tconst schemelessOptions = assign({ scheme : 'null' }, options);\n\treturn serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);\n};\n\nexport function normalize(uri:string, options?:URIOptions):string;\nexport function normalize(uri:URIComponents, options?:URIOptions):URIComponents;\nexport function normalize(uri:any, options?:URIOptions):any {\n\tif (typeof uri === \"string\") {\n\t\turi = serialize(parse(uri, options), options);\n\t} else if (typeOf(uri) === \"object\") {\n\t\turi = parse(serialize(uri, options), options);\n\t}\n\n\treturn uri;\n};\n\nexport function equal(uriA:string, uriB:string, options?: URIOptions):boolean;\nexport function equal(uriA:URIComponents, uriB:URIComponents, options?:URIOptions):boolean;\nexport function equal(uriA:any, uriB:any, options?:URIOptions):boolean {\n\tif (typeof uriA === \"string\") {\n\t\turiA = serialize(parse(uriA, options), options);\n\t} else if (typeOf(uriA) === \"object\") {\n\t\turiA = serialize(uriA, options);\n\t}\n\n\tif (typeof uriB === \"string\") {\n\t\turiB = serialize(parse(uriB, options), options);\n\t} else if (typeOf(uriB) === \"object\") {\n\t\turiB = serialize(uriB, options);\n\t}\n\n\treturn uriA === uriB;\n};\n\nexport function escapeComponent(str:string, options?:URIOptions):string {\n\treturn str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE), pctEncChar);\n};\n\nexport function unescapeComponent(str:string, options?:URIOptions):string {\n\treturn str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED), pctDecChars);\n};\n","'use strict';\n\n/** Highest positive signed 32-bit float value */\nconst maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1\n\n/** Bootstring parameters */\nconst base = 36;\nconst tMin = 1;\nconst tMax = 26;\nconst skew = 38;\nconst damp = 700;\nconst initialBias = 72;\nconst initialN = 128; // 0x80\nconst delimiter = '-'; // '\\x2D'\n\n/** Regular expressions */\nconst regexPunycode = /^xn--/;\nconst regexNonASCII = /[^\\0-\\x7E]/; // non-ASCII chars\nconst regexSeparators = /[\\x2E\\u3002\\uFF0E\\uFF61]/g; // RFC 3490 separators\n\n/** Error messages */\nconst errors = {\n\t'overflow': 'Overflow: input needs wider integers to process',\n\t'not-basic': 'Illegal input >= 0x80 (not a basic code point)',\n\t'invalid-input': 'Invalid input'\n};\n\n/** Convenience shortcuts */\nconst baseMinusTMin = base - tMin;\nconst floor = Math.floor;\nconst stringFromCharCode = String.fromCharCode;\n\n/*--------------------------------------------------------------------------*/\n\n/**\n * A generic error utility function.\n * @private\n * @param {String} type The error type.\n * @returns {Error} Throws a `RangeError` with the applicable error message.\n */\nfunction error(type) {\n\tthrow new RangeError(errors[type]);\n}\n\n/**\n * A generic `Array#map` utility function.\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} callback The function that gets called for every array\n * item.\n * @returns {Array} A new array of values returned by the callback function.\n */\nfunction map(array, fn) {\n\tconst result = [];\n\tlet length = array.length;\n\twhile (length--) {\n\t\tresult[length] = fn(array[length]);\n\t}\n\treturn result;\n}\n\n/**\n * A simple `Array#map`-like wrapper to work with domain name strings or email\n * addresses.\n * @private\n * @param {String} domain The domain name or email address.\n * @param {Function} callback The function that gets called for every\n * character.\n * @returns {Array} A new string of characters returned by the callback\n * function.\n */\nfunction mapDomain(string, fn) {\n\tconst parts = string.split('@');\n\tlet result = '';\n\tif (parts.length > 1) {\n\t\t// In email addresses, only the domain name should be punycoded. Leave\n\t\t// the local part (i.e. everything up to `@`) intact.\n\t\tresult = parts[0] + '@';\n\t\tstring = parts[1];\n\t}\n\t// Avoid `split(regex)` for IE8 compatibility. See #17.\n\tstring = string.replace(regexSeparators, '\\x2E');\n\tconst labels = string.split('.');\n\tconst encoded = map(labels, fn).join('.');\n\treturn result + encoded;\n}\n\n/**\n * Creates an array containing the numeric code points of each Unicode\n * character in the string. While JavaScript uses UCS-2 internally,\n * this function will convert a pair of surrogate halves (each of which\n * UCS-2 exposes as separate characters) into a single code point,\n * matching UTF-16.\n * @see `punycode.ucs2.encode`\n * @see \n * @memberOf punycode.ucs2\n * @name decode\n * @param {String} string The Unicode input string (UCS-2).\n * @returns {Array} The new array of code points.\n */\nfunction ucs2decode(string) {\n\tconst output = [];\n\tlet counter = 0;\n\tconst length = string.length;\n\twhile (counter < length) {\n\t\tconst value = string.charCodeAt(counter++);\n\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t// It's a high surrogate, and there is a next character.\n\t\t\tconst extra = string.charCodeAt(counter++);\n\t\t\tif ((extra & 0xFC00) == 0xDC00) { // Low surrogate.\n\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t} else {\n\t\t\t\t// It's an unmatched surrogate; only append this code unit, in case the\n\t\t\t\t// next code unit is the high surrogate of a surrogate pair.\n\t\t\t\toutput.push(value);\n\t\t\t\tcounter--;\n\t\t\t}\n\t\t} else {\n\t\t\toutput.push(value);\n\t\t}\n\t}\n\treturn output;\n}\n\n/**\n * Creates a string based on an array of numeric code points.\n * @see `punycode.ucs2.decode`\n * @memberOf punycode.ucs2\n * @name encode\n * @param {Array} codePoints The array of numeric code points.\n * @returns {String} The new Unicode string (UCS-2).\n */\nconst ucs2encode = array => String.fromCodePoint(...array);\n\n/**\n * Converts a basic code point into a digit/integer.\n * @see `digitToBasic()`\n * @private\n * @param {Number} codePoint The basic numeric code point value.\n * @returns {Number} The numeric value of a basic code point (for use in\n * representing integers) in the range `0` to `base - 1`, or `base` if\n * the code point does not represent a value.\n */\nconst basicToDigit = function(codePoint) {\n\tif (codePoint - 0x30 < 0x0A) {\n\t\treturn codePoint - 0x16;\n\t}\n\tif (codePoint - 0x41 < 0x1A) {\n\t\treturn codePoint - 0x41;\n\t}\n\tif (codePoint - 0x61 < 0x1A) {\n\t\treturn codePoint - 0x61;\n\t}\n\treturn base;\n};\n\n/**\n * Converts a digit/integer into a basic code point.\n * @see `basicToDigit()`\n * @private\n * @param {Number} digit The numeric value of a basic code point.\n * @returns {Number} The basic code point whose value (when used for\n * representing integers) is `digit`, which needs to be in the range\n * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is\n * used; else, the lowercase form is used. The behavior is undefined\n * if `flag` is non-zero and `digit` has no uppercase form.\n */\nconst digitToBasic = function(digit, flag) {\n\t// 0..25 map to ASCII a..z or A..Z\n\t// 26..35 map to ASCII 0..9\n\treturn digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);\n};\n\n/**\n * Bias adaptation function as per section 3.4 of RFC 3492.\n * https://tools.ietf.org/html/rfc3492#section-3.4\n * @private\n */\nconst adapt = function(delta, numPoints, firstTime) {\n\tlet k = 0;\n\tdelta = firstTime ? floor(delta / damp) : delta >> 1;\n\tdelta += floor(delta / numPoints);\n\tfor (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {\n\t\tdelta = floor(delta / baseMinusTMin);\n\t}\n\treturn floor(k + (baseMinusTMin + 1) * delta / (delta + skew));\n};\n\n/**\n * Converts a Punycode string of ASCII-only symbols to a string of Unicode\n * symbols.\n * @memberOf punycode\n * @param {String} input The Punycode string of ASCII-only symbols.\n * @returns {String} The resulting string of Unicode symbols.\n */\nconst decode = function(input) {\n\t// Don't use UCS-2.\n\tconst output = [];\n\tconst inputLength = input.length;\n\tlet i = 0;\n\tlet n = initialN;\n\tlet bias = initialBias;\n\n\t// Handle the basic code points: let `basic` be the number of input code\n\t// points before the last delimiter, or `0` if there is none, then copy\n\t// the first basic code points to the output.\n\n\tlet basic = input.lastIndexOf(delimiter);\n\tif (basic < 0) {\n\t\tbasic = 0;\n\t}\n\n\tfor (let j = 0; j < basic; ++j) {\n\t\t// if it's not a basic code point\n\t\tif (input.charCodeAt(j) >= 0x80) {\n\t\t\terror('not-basic');\n\t\t}\n\t\toutput.push(input.charCodeAt(j));\n\t}\n\n\t// Main decoding loop: start just after the last delimiter if any basic code\n\t// points were copied; start at the beginning otherwise.\n\n\tfor (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {\n\n\t\t// `index` is the index of the next character to be consumed.\n\t\t// Decode a generalized variable-length integer into `delta`,\n\t\t// which gets added to `i`. The overflow checking is easier\n\t\t// if we increase `i` as we go, then subtract off its starting\n\t\t// value at the end to obtain `delta`.\n\t\tlet oldi = i;\n\t\tfor (let w = 1, k = base; /* no condition */; k += base) {\n\n\t\t\tif (index >= inputLength) {\n\t\t\t\terror('invalid-input');\n\t\t\t}\n\n\t\t\tconst digit = basicToDigit(input.charCodeAt(index++));\n\n\t\t\tif (digit >= base || digit > floor((maxInt - i) / w)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\ti += digit * w;\n\t\t\tconst t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\n\t\t\tif (digit < t) {\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tconst baseMinusT = base - t;\n\t\t\tif (w > floor(maxInt / baseMinusT)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\tw *= baseMinusT;\n\n\t\t}\n\n\t\tconst out = output.length + 1;\n\t\tbias = adapt(i - oldi, out, oldi == 0);\n\n\t\t// `i` was supposed to wrap around from `out` to `0`,\n\t\t// incrementing `n` each time, so we'll fix that now:\n\t\tif (floor(i / out) > maxInt - n) {\n\t\t\terror('overflow');\n\t\t}\n\n\t\tn += floor(i / out);\n\t\ti %= out;\n\n\t\t// Insert `n` at position `i` of the output.\n\t\toutput.splice(i++, 0, n);\n\n\t}\n\n\treturn String.fromCodePoint(...output);\n};\n\n/**\n * Converts a string of Unicode symbols (e.g. a domain name label) to a\n * Punycode string of ASCII-only symbols.\n * @memberOf punycode\n * @param {String} input The string of Unicode symbols.\n * @returns {String} The resulting Punycode string of ASCII-only symbols.\n */\nconst encode = function(input) {\n\tconst output = [];\n\n\t// Convert the input in UCS-2 to an array of Unicode code points.\n\tinput = ucs2decode(input);\n\n\t// Cache the length.\n\tlet inputLength = input.length;\n\n\t// Initialize the state.\n\tlet n = initialN;\n\tlet delta = 0;\n\tlet bias = initialBias;\n\n\t// Handle the basic code points.\n\tfor (const currentValue of input) {\n\t\tif (currentValue < 0x80) {\n\t\t\toutput.push(stringFromCharCode(currentValue));\n\t\t}\n\t}\n\n\tlet basicLength = output.length;\n\tlet handledCPCount = basicLength;\n\n\t// `handledCPCount` is the number of code points that have been handled;\n\t// `basicLength` is the number of basic code points.\n\n\t// Finish the basic string with a delimiter unless it's empty.\n\tif (basicLength) {\n\t\toutput.push(delimiter);\n\t}\n\n\t// Main encoding loop:\n\twhile (handledCPCount < inputLength) {\n\n\t\t// All non-basic code points < n have been handled already. Find the next\n\t\t// larger one:\n\t\tlet m = maxInt;\n\t\tfor (const currentValue of input) {\n\t\t\tif (currentValue >= n && currentValue < m) {\n\t\t\t\tm = currentValue;\n\t\t\t}\n\t\t}\n\n\t\t// Increase `delta` enough to advance the decoder's state to ,\n\t\t// but guard against overflow.\n\t\tconst handledCPCountPlusOne = handledCPCount + 1;\n\t\tif (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {\n\t\t\terror('overflow');\n\t\t}\n\n\t\tdelta += (m - n) * handledCPCountPlusOne;\n\t\tn = m;\n\n\t\tfor (const currentValue of input) {\n\t\t\tif (currentValue < n && ++delta > maxInt) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\t\t\tif (currentValue == n) {\n\t\t\t\t// Represent delta as a generalized variable-length integer.\n\t\t\t\tlet q = delta;\n\t\t\t\tfor (let k = base; /* no condition */; k += base) {\n\t\t\t\t\tconst t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\t\t\t\t\tif (q < t) {\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tconst qMinusT = q - t;\n\t\t\t\t\tconst baseMinusT = base - t;\n\t\t\t\t\toutput.push(\n\t\t\t\t\t\tstringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))\n\t\t\t\t\t);\n\t\t\t\t\tq = floor(qMinusT / baseMinusT);\n\t\t\t\t}\n\n\t\t\t\toutput.push(stringFromCharCode(digitToBasic(q, 0)));\n\t\t\t\tbias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);\n\t\t\t\tdelta = 0;\n\t\t\t\t++handledCPCount;\n\t\t\t}\n\t\t}\n\n\t\t++delta;\n\t\t++n;\n\n\t}\n\treturn output.join('');\n};\n\n/**\n * Converts a Punycode string representing a domain name or an email address\n * to Unicode. Only the Punycoded parts of the input will be converted, i.e.\n * it doesn't matter if you call it on a string that has already been\n * converted to Unicode.\n * @memberOf punycode\n * @param {String} input The Punycoded domain name or email address to\n * convert to Unicode.\n * @returns {String} The Unicode representation of the given Punycode\n * string.\n */\nconst toUnicode = function(input) {\n\treturn mapDomain(input, function(string) {\n\t\treturn regexPunycode.test(string)\n\t\t\t? decode(string.slice(4).toLowerCase())\n\t\t\t: string;\n\t});\n};\n\n/**\n * Converts a Unicode string representing a domain name or an email address to\n * Punycode. Only the non-ASCII parts of the domain name will be converted,\n * i.e. it doesn't matter if you call it with a domain that's already in\n * ASCII.\n * @memberOf punycode\n * @param {String} input The domain name or email address to convert, as a\n * Unicode string.\n * @returns {String} The Punycode representation of the given domain name or\n * email address.\n */\nconst toASCII = function(input) {\n\treturn mapDomain(input, function(string) {\n\t\treturn regexNonASCII.test(string)\n\t\t\t? 'xn--' + encode(string)\n\t\t\t: string;\n\t});\n};\n\n/*--------------------------------------------------------------------------*/\n\n/** Define the public API */\nconst punycode = {\n\t/**\n\t * A string representing the current Punycode.js version number.\n\t * @memberOf punycode\n\t * @type String\n\t */\n\t'version': '2.1.0',\n\t/**\n\t * An object of methods to convert from JavaScript's internal character\n\t * representation (UCS-2) to Unicode code points, and back.\n\t * @see \n\t * @memberOf punycode\n\t * @type Object\n\t */\n\t'ucs2': {\n\t\t'decode': ucs2decode,\n\t\t'encode': ucs2encode\n\t},\n\t'decode': decode,\n\t'encode': encode,\n\t'toASCII': toASCII,\n\t'toUnicode': toUnicode\n};\n\nexport default punycode;\n","import { URIRegExps } from \"./uri\";\nimport { buildExps } from \"./regexps-uri\";\n\nexport default buildExps(true);\n","import { URIRegExps } from \"./uri\";\nimport { merge, subexp } from \"./util\";\n\nexport function buildExps(isIRI:boolean):URIRegExps {\n\tconst\n\t\tALPHA$$ = \"[A-Za-z]\",\n\t\tCR$ = \"[\\\\x0D]\",\n\t\tDIGIT$$ = \"[0-9]\",\n\t\tDQUOTE$$ = \"[\\\\x22]\",\n\t\tHEXDIG$$ = merge(DIGIT$$, \"[A-Fa-f]\"), //case-insensitive\n\t\tLF$$ = \"[\\\\x0A]\",\n\t\tSP$$ = \"[\\\\x20]\",\n\t\tPCT_ENCODED$ = subexp(subexp(\"%[EFef]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%[89A-Fa-f]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%\" + HEXDIG$$ + HEXDIG$$)), //expanded\n\t\tGEN_DELIMS$$ = \"[\\\\:\\\\/\\\\?\\\\#\\\\[\\\\]\\\\@]\",\n\t\tSUB_DELIMS$$ = \"[\\\\!\\\\$\\\\&\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\;\\\\=]\",\n\t\tRESERVED$$ = merge(GEN_DELIMS$$, SUB_DELIMS$$),\n\t\tUCSCHAR$$ = isIRI ? \"[\\\\xA0-\\\\u200D\\\\u2010-\\\\u2029\\\\u202F-\\\\uD7FF\\\\uF900-\\\\uFDCF\\\\uFDF0-\\\\uFFEF]\" : \"[]\", //subset, excludes bidi control characters\n\t\tIPRIVATE$$ = isIRI ? \"[\\\\uE000-\\\\uF8FF]\" : \"[]\", //subset\n\t\tUNRESERVED$$ = merge(ALPHA$$, DIGIT$$, \"[\\\\-\\\\.\\\\_\\\\~]\", UCSCHAR$$),\n\t\tSCHEME$ = subexp(ALPHA$$ + merge(ALPHA$$, DIGIT$$, \"[\\\\+\\\\-\\\\.]\") + \"*\"),\n\t\tUSERINFO$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:]\")) + \"*\"),\n\t\tDEC_OCTET$ = subexp(subexp(\"25[0-5]\") + \"|\" + subexp(\"2[0-4]\" + DIGIT$$) + \"|\" + subexp(\"1\" + DIGIT$$ + DIGIT$$) + \"|\" + subexp(\"[1-9]\" + DIGIT$$) + \"|\" + DIGIT$$),\n\t\tDEC_OCTET_RELAXED$ = subexp(subexp(\"25[0-5]\") + \"|\" + subexp(\"2[0-4]\" + DIGIT$$) + \"|\" + subexp(\"1\" + DIGIT$$ + DIGIT$$) + \"|\" + subexp(\"0?[1-9]\" + DIGIT$$) + \"|0?0?\" + DIGIT$$), //relaxed parsing rules\n\t\tIPV4ADDRESS$ = subexp(DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$),\n\t\tH16$ = subexp(HEXDIG$$ + \"{1,4}\"),\n\t\tLS32$ = subexp(subexp(H16$ + \"\\\\:\" + H16$) + \"|\" + IPV4ADDRESS$),\n\t\tIPV6ADDRESS1$ = subexp( subexp(H16$ + \"\\\\:\") + \"{6}\" + LS32$), // 6( h16 \":\" ) ls32\n\t\tIPV6ADDRESS2$ = subexp( \"\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{5}\" + LS32$), // \"::\" 5( h16 \":\" ) ls32\n\t\tIPV6ADDRESS3$ = subexp(subexp( H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{4}\" + LS32$), //[ h16 ] \"::\" 4( h16 \":\" ) ls32\n\t\tIPV6ADDRESS4$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,1}\" + H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{3}\" + LS32$), //[ *1( h16 \":\" ) h16 ] \"::\" 3( h16 \":\" ) ls32\n\t\tIPV6ADDRESS5$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,2}\" + H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{2}\" + LS32$), //[ *2( h16 \":\" ) h16 ] \"::\" 2( h16 \":\" ) ls32\n\t\tIPV6ADDRESS6$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,3}\" + H16$) + \"?\\\\:\\\\:\" + H16$ + \"\\\\:\" + LS32$), //[ *3( h16 \":\" ) h16 ] \"::\" h16 \":\" ls32\n\t\tIPV6ADDRESS7$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,4}\" + H16$) + \"?\\\\:\\\\:\" + LS32$), //[ *4( h16 \":\" ) h16 ] \"::\" ls32\n\t\tIPV6ADDRESS8$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,5}\" + H16$) + \"?\\\\:\\\\:\" + H16$ ), //[ *5( h16 \":\" ) h16 ] \"::\" h16\n\t\tIPV6ADDRESS9$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,6}\" + H16$) + \"?\\\\:\\\\:\" ), //[ *6( h16 \":\" ) h16 ] \"::\"\n\t\tIPV6ADDRESS$ = subexp([IPV6ADDRESS1$, IPV6ADDRESS2$, IPV6ADDRESS3$, IPV6ADDRESS4$, IPV6ADDRESS5$, IPV6ADDRESS6$, IPV6ADDRESS7$, IPV6ADDRESS8$, IPV6ADDRESS9$].join(\"|\")),\n\t\tZONEID$ = subexp(subexp(UNRESERVED$$ + \"|\" + PCT_ENCODED$) + \"+\"), //RFC 6874\n\t\tIPV6ADDRZ$ = subexp(IPV6ADDRESS$ + \"\\\\%25\" + ZONEID$), //RFC 6874\n\t\tIPV6ADDRZ_RELAXED$ = subexp(IPV6ADDRESS$ + subexp(\"\\\\%25|\\\\%(?!\" + HEXDIG$$ + \"{2})\") + ZONEID$), //RFC 6874, with relaxed parsing rules\n\t\tIPVFUTURE$ = subexp(\"[vV]\" + HEXDIG$$ + \"+\\\\.\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:]\") + \"+\"),\n\t\tIP_LITERAL$ = subexp(\"\\\\[\" + subexp(IPV6ADDRZ_RELAXED$ + \"|\" + IPV6ADDRESS$ + \"|\" + IPVFUTURE$) + \"\\\\]\"), //RFC 6874\n\t\tREG_NAME$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$)) + \"*\"),\n\t\tHOST$ = subexp(IP_LITERAL$ + \"|\" + IPV4ADDRESS$ + \"(?!\" + REG_NAME$ + \")\" + \"|\" + REG_NAME$),\n\t\tPORT$ = subexp(DIGIT$$ + \"*\"),\n\t\tAUTHORITY$ = subexp(subexp(USERINFO$ + \"@\") + \"?\" + HOST$ + subexp(\"\\\\:\" + PORT$) + \"?\"),\n\t\tPCHAR$ = subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@]\")),\n\t\tSEGMENT$ = subexp(PCHAR$ + \"*\"),\n\t\tSEGMENT_NZ$ = subexp(PCHAR$ + \"+\"),\n\t\tSEGMENT_NZ_NC$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\@]\")) + \"+\"),\n\t\tPATH_ABEMPTY$ = subexp(subexp(\"\\\\/\" + SEGMENT$) + \"*\"),\n\t\tPATH_ABSOLUTE$ = subexp(\"\\\\/\" + subexp(SEGMENT_NZ$ + PATH_ABEMPTY$) + \"?\"), //simplified\n\t\tPATH_NOSCHEME$ = subexp(SEGMENT_NZ_NC$ + PATH_ABEMPTY$), //simplified\n\t\tPATH_ROOTLESS$ = subexp(SEGMENT_NZ$ + PATH_ABEMPTY$), //simplified\n\t\tPATH_EMPTY$ = \"(?!\" + PCHAR$ + \")\",\n\t\tPATH$ = subexp(PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$),\n\t\tQUERY$ = subexp(subexp(PCHAR$ + \"|\" + merge(\"[\\\\/\\\\?]\", IPRIVATE$$)) + \"*\"),\n\t\tFRAGMENT$ = subexp(subexp(PCHAR$ + \"|[\\\\/\\\\?]\") + \"*\"),\n\t\tHIER_PART$ = subexp(subexp(\"\\\\/\\\\/\" + AUTHORITY$ + PATH_ABEMPTY$) + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$),\n\t\tURI$ = subexp(SCHEME$ + \"\\\\:\" + HIER_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\" + subexp(\"\\\\#\" + FRAGMENT$) + \"?\"),\n\t\tRELATIVE_PART$ = subexp(subexp(\"\\\\/\\\\/\" + AUTHORITY$ + PATH_ABEMPTY$) + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_EMPTY$),\n\t\tRELATIVE$ = subexp(RELATIVE_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\" + subexp(\"\\\\#\" + FRAGMENT$) + \"?\"),\n\t\tURI_REFERENCE$ = subexp(URI$ + \"|\" + RELATIVE$),\n\t\tABSOLUTE_URI$ = subexp(SCHEME$ + \"\\\\:\" + HIER_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\"),\n\n\t\tGENERIC_REF$ = \"^(\" + SCHEME$ + \")\\\\:\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tRELATIVE_REF$ = \"^(){0}\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tABSOLUTE_REF$ = \"^(\" + SCHEME$ + \")\\\\:\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?$\",\n\t\tSAMEDOC_REF$ = \"^\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tAUTHORITY_REF$ = \"^\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?$\"\n\t;\n\n\treturn {\n\t\tNOT_SCHEME : new RegExp(merge(\"[^]\", ALPHA$$, DIGIT$$, \"[\\\\+\\\\-\\\\.]\"), \"g\"),\n\t\tNOT_USERINFO : new RegExp(merge(\"[^\\\\%\\\\:]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_HOST : new RegExp(merge(\"[^\\\\%\\\\[\\\\]\\\\:]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_PATH : new RegExp(merge(\"[^\\\\%\\\\/\\\\:\\\\@]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_PATH_NOSCHEME : new RegExp(merge(\"[^\\\\%\\\\/\\\\@]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_QUERY : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@\\\\/\\\\?]\", IPRIVATE$$), \"g\"),\n\t\tNOT_FRAGMENT : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@\\\\/\\\\?]\"), \"g\"),\n\t\tESCAPE : new RegExp(merge(\"[^]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tUNRESERVED : new RegExp(UNRESERVED$$, \"g\"),\n\t\tOTHER_CHARS : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, RESERVED$$), \"g\"),\n\t\tPCT_ENCODED : new RegExp(PCT_ENCODED$, \"g\"),\n\t\tIPV4ADDRESS : new RegExp(\"^(\" + IPV4ADDRESS$ + \")$\"),\n\t\tIPV6ADDRESS : new RegExp(\"^\\\\[?(\" + IPV6ADDRESS$ + \")\" + subexp(subexp(\"\\\\%25|\\\\%(?!\" + HEXDIG$$ + \"{2})\") + \"(\" + ZONEID$ + \")\") + \"?\\\\]?$\") //RFC 6874, with relaxed parsing rules\n\t};\n}\n\nexport default buildExps(false);\n","export function merge(...sets:Array):string {\n\tif (sets.length > 1) {\n\t\tsets[0] = sets[0].slice(0, -1);\n\t\tconst xl = sets.length - 1;\n\t\tfor (let x = 1; x < xl; ++x) {\n\t\t\tsets[x] = sets[x].slice(1, -1);\n\t\t}\n\t\tsets[xl] = sets[xl].slice(1);\n\t\treturn sets.join('');\n\t} else {\n\t\treturn sets[0];\n\t}\n}\n\nexport function subexp(str:string):string {\n\treturn \"(?:\" + str + \")\";\n}\n\nexport function typeOf(o:any):string {\n\treturn o === undefined ? \"undefined\" : (o === null ? \"null\" : Object.prototype.toString.call(o).split(\" \").pop().split(\"]\").shift().toLowerCase());\n}\n\nexport function toUpperCase(str:string):string {\n\treturn str.toUpperCase();\n}\n\nexport function toArray(obj:any):Array {\n\treturn obj !== undefined && obj !== null ? (obj instanceof Array ? obj : (typeof obj.length !== \"number\" || obj.split || obj.setInterval || obj.call ? [obj] : Array.prototype.slice.call(obj))) : [];\n}\n\n\nexport function assign(target: object, source: any): any {\n\tconst obj = target as any;\n\tif (source) {\n\t\tfor (const key in source) {\n\t\t\tobj[key] = source[key];\n\t\t}\n\t}\n\treturn 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\ No newline at end of file diff --git a/module/node_modules/uri-js/dist/es5/uri.all.min.d.ts b/module/node_modules/uri-js/dist/es5/uri.all.min.d.ts new file mode 100644 index 000000000..da51e2352 --- /dev/null +++ b/module/node_modules/uri-js/dist/es5/uri.all.min.d.ts @@ -0,0 +1,59 @@ +export interface URIComponents { + scheme?: string; + userinfo?: string; + host?: string; + port?: number | string; + path?: string; + query?: string; + fragment?: string; + reference?: string; + error?: string; +} +export interface URIOptions { + scheme?: string; + reference?: string; + tolerant?: boolean; + absolutePath?: boolean; + iri?: boolean; + unicodeSupport?: boolean; + domainHost?: boolean; +} +export interface URISchemeHandler { + scheme: string; + parse(components: ParentComponents, options: Options): Components; + serialize(components: Components, options: Options): ParentComponents; + unicodeSupport?: boolean; + domainHost?: boolean; + absolutePath?: boolean; +} +export interface URIRegExps { + NOT_SCHEME: RegExp; + NOT_USERINFO: RegExp; + NOT_HOST: RegExp; + NOT_PATH: RegExp; + NOT_PATH_NOSCHEME: RegExp; + NOT_QUERY: RegExp; + NOT_FRAGMENT: RegExp; + ESCAPE: RegExp; + UNRESERVED: RegExp; + OTHER_CHARS: RegExp; + PCT_ENCODED: RegExp; + IPV4ADDRESS: RegExp; + IPV6ADDRESS: RegExp; +} +export declare const SCHEMES: { + [scheme: string]: URISchemeHandler; +}; +export declare function pctEncChar(chr: string): string; +export declare function pctDecChars(str: string): string; +export declare function parse(uriString: string, options?: URIOptions): URIComponents; +export declare function removeDotSegments(input: string): string; +export declare function serialize(components: URIComponents, options?: URIOptions): string; +export declare function resolveComponents(base: URIComponents, relative: URIComponents, options?: URIOptions, skipNormalization?: boolean): URIComponents; +export declare function resolve(baseURI: string, relativeURI: string, options?: URIOptions): string; +export declare function normalize(uri: string, options?: URIOptions): string; +export declare function normalize(uri: URIComponents, options?: URIOptions): URIComponents; +export declare function equal(uriA: string, uriB: string, options?: URIOptions): boolean; +export declare function equal(uriA: URIComponents, uriB: URIComponents, options?: URIOptions): boolean; +export declare function escapeComponent(str: string, options?: URIOptions): string; +export declare function unescapeComponent(str: string, options?: URIOptions): string; diff --git a/module/node_modules/uri-js/dist/es5/uri.all.min.js b/module/node_modules/uri-js/dist/es5/uri.all.min.js new file mode 100644 index 000000000..fcd845862 --- /dev/null +++ b/module/node_modules/uri-js/dist/es5/uri.all.min.js @@ -0,0 +1,3 @@ +/** @license URI.js v4.4.1 (c) 2011 Gary Court. License: http://github.com/garycourt/uri-js */ +!function(e,r){"object"==typeof exports&&"undefined"!=typeof module?r(exports):"function"==typeof define&&define.amd?define(["exports"],r):r(e.URI=e.URI||{})}(this,function(e){"use strict";function r(){for(var e=arguments.length,r=Array(e),n=0;n1){r[0]=r[0].slice(0,-1);for(var t=r.length-1,o=1;o1&&(t=n[0]+"@",e=n[1]),e=e.replace(j,"."),t+f(e.split("."),r).join(".")}function p(e){for(var r=[],n=0,t=e.length;n=55296&&o<=56319&&n>6|192).toString(16).toUpperCase()+"%"+(63&r|128).toString(16).toUpperCase():"%"+(r>>12|224).toString(16).toUpperCase()+"%"+(r>>6&63|128).toString(16).toUpperCase()+"%"+(63&r|128).toString(16).toUpperCase()}function d(e){for(var r="",n=0,t=e.length;n=194&&o<224){if(t-n>=6){var a=parseInt(e.substr(n+4,2),16);r+=String.fromCharCode((31&o)<<6|63&a)}else r+=e.substr(n,6);n+=6}else if(o>=224){if(t-n>=9){var i=parseInt(e.substr(n+4,2),16),u=parseInt(e.substr(n+7,2),16);r+=String.fromCharCode((15&o)<<12|(63&i)<<6|63&u)}else r+=e.substr(n,9);n+=9}else r+=e.substr(n,3),n+=3}return r}function l(e,r){function n(e){var n=d(e);return n.match(r.UNRESERVED)?n:e}return e.scheme&&(e.scheme=String(e.scheme).replace(r.PCT_ENCODED,n).toLowerCase().replace(r.NOT_SCHEME,"")),e.userinfo!==undefined&&(e.userinfo=String(e.userinfo).replace(r.PCT_ENCODED,n).replace(r.NOT_USERINFO,h).replace(r.PCT_ENCODED,o)),e.host!==undefined&&(e.host=String(e.host).replace(r.PCT_ENCODED,n).toLowerCase().replace(r.NOT_HOST,h).replace(r.PCT_ENCODED,o)),e.path!==undefined&&(e.path=String(e.path).replace(r.PCT_ENCODED,n).replace(e.scheme?r.NOT_PATH:r.NOT_PATH_NOSCHEME,h).replace(r.PCT_ENCODED,o)),e.query!==undefined&&(e.query=String(e.query).replace(r.PCT_ENCODED,n).replace(r.NOT_QUERY,h).replace(r.PCT_ENCODED,o)),e.fragment!==undefined&&(e.fragment=String(e.fragment).replace(r.PCT_ENCODED,n).replace(r.NOT_FRAGMENT,h).replace(r.PCT_ENCODED,o)),e}function m(e){return e.replace(/^0*(.*)/,"$1")||"0"}function g(e,r){var n=e.match(r.IPV4ADDRESS)||[],t=T(n,2),o=t[1];return o?o.split(".").map(m).join("."):e}function v(e,r){var n=e.match(r.IPV6ADDRESS)||[],t=T(n,3),o=t[1],a=t[2];if(o){for(var i=o.toLowerCase().split("::").reverse(),u=T(i,2),s=u[0],f=u[1],c=f?f.split(":").map(m):[],p=s.split(":").map(m),h=r.IPV4ADDRESS.test(p[p.length-1]),d=h?7:8,l=p.length-d,v=Array(d),E=0;E1){var A=v.slice(0,y.index),D=v.slice(y.index+y.length);S=A.join(":")+"::"+D.join(":")}else S=v.join(":");return a&&(S+="%"+a),S}return e}function E(e){var r=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{},n={},t=!1!==r.iri?R:F;"suffix"===r.reference&&(e=(r.scheme?r.scheme+":":"")+"//"+e);var o=e.match(K);if(o){W?(n.scheme=o[1],n.userinfo=o[3],n.host=o[4],n.port=parseInt(o[5],10),n.path=o[6]||"",n.query=o[7],n.fragment=o[8],isNaN(n.port)&&(n.port=o[5])):(n.scheme=o[1]||undefined,n.userinfo=-1!==e.indexOf("@")?o[3]:undefined,n.host=-1!==e.indexOf("//")?o[4]:undefined,n.port=parseInt(o[5],10),n.path=o[6]||"",n.query=-1!==e.indexOf("?")?o[7]:undefined,n.fragment=-1!==e.indexOf("#")?o[8]:undefined,isNaN(n.port)&&(n.port=e.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/)?o[4]:undefined)),n.host&&(n.host=v(g(n.host,t),t)),n.scheme!==undefined||n.userinfo!==undefined||n.host!==undefined||n.port!==undefined||n.path||n.query!==undefined?n.scheme===undefined?n.reference="relative":n.fragment===undefined?n.reference="absolute":n.reference="uri":n.reference="same-document",r.reference&&"suffix"!==r.reference&&r.reference!==n.reference&&(n.error=n.error||"URI is not a "+r.reference+" reference.");var a=J[(r.scheme||n.scheme||"").toLowerCase()];if(r.unicodeSupport||a&&a.unicodeSupport)l(n,t);else{if(n.host&&(r.domainHost||a&&a.domainHost))try{n.host=B.toASCII(n.host.replace(t.PCT_ENCODED,d).toLowerCase())}catch(i){n.error=n.error||"Host's domain name can not be converted to ASCII via punycode: "+i}l(n,F)}a&&a.parse&&a.parse(n,r)}else n.error=n.error||"URI can not be parsed.";return n}function C(e,r){var n=!1!==r.iri?R:F,t=[];return e.userinfo!==undefined&&(t.push(e.userinfo),t.push("@")),e.host!==undefined&&t.push(v(g(String(e.host),n),n).replace(n.IPV6ADDRESS,function(e,r,n){return"["+r+(n?"%25"+n:"")+"]"})),"number"!=typeof e.port&&"string"!=typeof e.port||(t.push(":"),t.push(String(e.port))),t.length?t.join(""):undefined}function y(e){for(var r=[];e.length;)if(e.match(X))e=e.replace(X,"");else if(e.match(ee))e=e.replace(ee,"/");else if(e.match(re))e=e.replace(re,"/"),r.pop();else if("."===e||".."===e)e="";else{var n=e.match(ne);if(!n)throw new Error("Unexpected dot segment 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A(e,r){var n=arguments.length>2&&arguments[2]!==undefined?arguments[2]:{},t=arguments[3],o={};return t||(e=E(S(e,n),n),r=E(S(r,n),n)),n=n||{},!n.tolerant&&r.scheme?(o.scheme=r.scheme,o.userinfo=r.userinfo,o.host=r.host,o.port=r.port,o.path=y(r.path||""),o.query=r.query):(r.userinfo!==undefined||r.host!==undefined||r.port!==undefined?(o.userinfo=r.userinfo,o.host=r.host,o.port=r.port,o.path=y(r.path||""),o.query=r.query):(r.path?("/"===r.path.charAt(0)?o.path=y(r.path):(e.userinfo===undefined&&e.host===undefined&&e.port===undefined||e.path?e.path?o.path=e.path.slice(0,e.path.lastIndexOf("/")+1)+r.path:o.path=r.path:o.path="/"+r.path,o.path=y(o.path)),o.query=r.query):(o.path=e.path,r.query!==undefined?o.query=r.query:o.query=e.query),o.userinfo=e.userinfo,o.host=e.host,o.port=e.port),o.scheme=e.scheme),o.fragment=r.fragment,o}function D(e,r,n){var t=i({scheme:"null"},n);return S(A(E(e,t),E(r,t),t,!0),t)}function w(e,r){return"string"==typeof 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instance")}}(),_=function(e){if(Array.isArray(e)){for(var r=0,n=Array(e.length);r= 0x80 (not a basic code point)","invalid-input":"Invalid input"},z=Math.floor,L=String.fromCharCode,$=function(e){return String.fromCodePoint.apply(String,_(e))},M=function(e){return e-48<10?e-22:e-65<26?e-65:e-97<26?e-97:36},V=function(e,r){return e+22+75*(e<26)-((0!=r)<<5)},k=function(e,r,n){var t=0;for(e=n?z(e/700):e>>1,e+=z(e/r);e>455;t+=36)e=z(e/35);return z(t+36*e/(e+38))},Z=function(e){var r=[],n=e.length,t=0,o=128,a=72,i=e.lastIndexOf("-");i<0&&(i=0);for(var u=0;u=128&&s("not-basic"),r.push(e.charCodeAt(u));for(var f=i>0?i+1:0;f=n&&s("invalid-input");var d=M(e.charCodeAt(f++));(d>=36||d>z((P-t)/p))&&s("overflow"),t+=d*p;var l=h<=a?1:h>=a+26?26:h-a;if(dz(P/m)&&s("overflow"),p*=m}var g=r.length+1;a=k(t-c,g,0==c),z(t/g)>P-o&&s("overflow"),o+=z(t/g),t%=g,r.splice(t++,0,o)}return String.fromCodePoint.apply(String,r)},G=function(e){var r=[];e=p(e);var n=e.length,t=128,o=0,a=72,i=!0,u=!1,f=undefined;try{for(var c,h=e[Symbol.iterator]();!(i=(c=h.next()).done);i=!0){var d=c.value;d<128&&r.push(L(d))}}catch(U){u=!0,f=U}finally{try{!i&&h["return"]&&h["return"]()}finally{if(u)throw f}}var l=r.length,m=l;for(l&&r.push("-");m=t&&Az((P-o)/D)&&s("overflow"),o+=(g-t)*D,t=g;var w=!0,b=!1,x=undefined;try{for(var O,N=e[Symbol.iterator]();!(w=(O=N.next()).done);w=!0){var I=O.value;if(IP&&s("overflow"),I==t){for(var F=o,R=36;;R+=36){var T=R<=a?1:R>=a+26?26:R-a;if(FA-Z\\x5E-\\x7E]",'[\\"\\\\]'),he=new RegExp(se,"g"),de=new RegExp(ce,"g"),le=new RegExp(r("[^]","[A-Za-z0-9\\!\\$\\%\\'\\*\\+\\-\\^\\_\\`\\{\\|\\}\\~]","[\\.]",'[\\"]',pe),"g"),me=new RegExp(r("[^]",se,"[\\!\\$\\'\\(\\)\\*\\+\\,\\;\\:\\@]"),"g"),ge=me,ve={scheme:"mailto",parse:function(e,r){var n=e,t=n.to=n.path?n.path.split(","):[];if(n.path=undefined,n.query){for(var o=!1,a={},i=n.query.split("&"),u=0,s=i.length;u):string {\n\tif (sets.length > 1) {\n\t\tsets[0] = sets[0].slice(0, -1);\n\t\tconst xl = sets.length - 1;\n\t\tfor (let x = 1; x < xl; ++x) {\n\t\t\tsets[x] = sets[x].slice(1, -1);\n\t\t}\n\t\tsets[xl] = sets[xl].slice(1);\n\t\treturn sets.join('');\n\t} else {\n\t\treturn sets[0];\n\t}\n}\n\nexport function subexp(str:string):string {\n\treturn \"(?:\" + str + \")\";\n}\n\nexport function typeOf(o:any):string {\n\treturn o === undefined ? \"undefined\" : (o === null ? \"null\" : Object.prototype.toString.call(o).split(\" \").pop().split(\"]\").shift().toLowerCase());\n}\n\nexport function toUpperCase(str:string):string {\n\treturn str.toUpperCase();\n}\n\nexport function toArray(obj:any):Array {\n\treturn obj !== undefined && obj !== null ? (obj instanceof Array ? obj : (typeof obj.length !== \"number\" || obj.split || obj.setInterval || obj.call ? [obj] : Array.prototype.slice.call(obj))) : [];\n}\n\n\nexport function assign(target: object, source: any): any {\n\tconst obj = target as any;\n\tif (source) {\n\t\tfor (const key in source) {\n\t\t\tobj[key] = source[key];\n\t\t}\n\t}\n\treturn obj;\n}","import { URIRegExps } from \"./uri\";\nimport { merge, subexp } from \"./util\";\n\nexport function buildExps(isIRI:boolean):URIRegExps {\n\tconst\n\t\tALPHA$$ = \"[A-Za-z]\",\n\t\tCR$ = \"[\\\\x0D]\",\n\t\tDIGIT$$ = \"[0-9]\",\n\t\tDQUOTE$$ = \"[\\\\x22]\",\n\t\tHEXDIG$$ = merge(DIGIT$$, \"[A-Fa-f]\"), //case-insensitive\n\t\tLF$$ = \"[\\\\x0A]\",\n\t\tSP$$ = \"[\\\\x20]\",\n\t\tPCT_ENCODED$ = subexp(subexp(\"%[EFef]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%[89A-Fa-f]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%\" + HEXDIG$$ + HEXDIG$$)), //expanded\n\t\tGEN_DELIMS$$ = \"[\\\\:\\\\/\\\\?\\\\#\\\\[\\\\]\\\\@]\",\n\t\tSUB_DELIMS$$ = \"[\\\\!\\\\$\\\\&\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\;\\\\=]\",\n\t\tRESERVED$$ = merge(GEN_DELIMS$$, SUB_DELIMS$$),\n\t\tUCSCHAR$$ = isIRI ? \"[\\\\xA0-\\\\u200D\\\\u2010-\\\\u2029\\\\u202F-\\\\uD7FF\\\\uF900-\\\\uFDCF\\\\uFDF0-\\\\uFFEF]\" : \"[]\", //subset, excludes bidi control characters\n\t\tIPRIVATE$$ = isIRI ? \"[\\\\uE000-\\\\uF8FF]\" : \"[]\", //subset\n\t\tUNRESERVED$$ = merge(ALPHA$$, DIGIT$$, \"[\\\\-\\\\.\\\\_\\\\~]\", UCSCHAR$$),\n\t\tSCHEME$ = subexp(ALPHA$$ + merge(ALPHA$$, DIGIT$$, \"[\\\\+\\\\-\\\\.]\") + \"*\"),\n\t\tUSERINFO$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:]\")) + \"*\"),\n\t\tDEC_OCTET$ = subexp(subexp(\"25[0-5]\") + \"|\" + subexp(\"2[0-4]\" + DIGIT$$) + \"|\" + subexp(\"1\" + DIGIT$$ + DIGIT$$) + \"|\" + subexp(\"[1-9]\" + DIGIT$$) + \"|\" + DIGIT$$),\n\t\tDEC_OCTET_RELAXED$ = subexp(subexp(\"25[0-5]\") + \"|\" + subexp(\"2[0-4]\" + DIGIT$$) + \"|\" + subexp(\"1\" + DIGIT$$ + DIGIT$$) + \"|\" + subexp(\"0?[1-9]\" + DIGIT$$) + \"|0?0?\" + DIGIT$$), //relaxed parsing rules\n\t\tIPV4ADDRESS$ = subexp(DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$ + \"\\\\.\" + DEC_OCTET_RELAXED$),\n\t\tH16$ = subexp(HEXDIG$$ + \"{1,4}\"),\n\t\tLS32$ = subexp(subexp(H16$ + \"\\\\:\" + H16$) + \"|\" + IPV4ADDRESS$),\n\t\tIPV6ADDRESS1$ = subexp( subexp(H16$ + \"\\\\:\") + \"{6}\" + LS32$), // 6( h16 \":\" ) ls32\n\t\tIPV6ADDRESS2$ = subexp( \"\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{5}\" + LS32$), // \"::\" 5( h16 \":\" ) ls32\n\t\tIPV6ADDRESS3$ = subexp(subexp( H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{4}\" + LS32$), //[ h16 ] \"::\" 4( h16 \":\" ) ls32\n\t\tIPV6ADDRESS4$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,1}\" + H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{3}\" + LS32$), //[ *1( h16 \":\" ) h16 ] \"::\" 3( h16 \":\" ) ls32\n\t\tIPV6ADDRESS5$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,2}\" + H16$) + \"?\\\\:\\\\:\" + subexp(H16$ + \"\\\\:\") + \"{2}\" + LS32$), //[ *2( h16 \":\" ) h16 ] \"::\" 2( h16 \":\" ) ls32\n\t\tIPV6ADDRESS6$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,3}\" + H16$) + \"?\\\\:\\\\:\" + H16$ + \"\\\\:\" + LS32$), //[ *3( h16 \":\" ) h16 ] \"::\" h16 \":\" ls32\n\t\tIPV6ADDRESS7$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,4}\" + H16$) + \"?\\\\:\\\\:\" + LS32$), //[ *4( h16 \":\" ) h16 ] \"::\" ls32\n\t\tIPV6ADDRESS8$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,5}\" + H16$) + \"?\\\\:\\\\:\" + H16$ ), //[ *5( h16 \":\" ) h16 ] \"::\" h16\n\t\tIPV6ADDRESS9$ = subexp(subexp(subexp(H16$ + \"\\\\:\") + \"{0,6}\" + H16$) + \"?\\\\:\\\\:\" ), //[ *6( h16 \":\" ) h16 ] \"::\"\n\t\tIPV6ADDRESS$ = subexp([IPV6ADDRESS1$, IPV6ADDRESS2$, IPV6ADDRESS3$, IPV6ADDRESS4$, IPV6ADDRESS5$, IPV6ADDRESS6$, IPV6ADDRESS7$, IPV6ADDRESS8$, IPV6ADDRESS9$].join(\"|\")),\n\t\tZONEID$ = subexp(subexp(UNRESERVED$$ + \"|\" + PCT_ENCODED$) + \"+\"), //RFC 6874\n\t\tIPV6ADDRZ$ = subexp(IPV6ADDRESS$ + \"\\\\%25\" + ZONEID$), //RFC 6874\n\t\tIPV6ADDRZ_RELAXED$ = subexp(IPV6ADDRESS$ + subexp(\"\\\\%25|\\\\%(?!\" + HEXDIG$$ + \"{2})\") + ZONEID$), //RFC 6874, with relaxed parsing rules\n\t\tIPVFUTURE$ = subexp(\"[vV]\" + HEXDIG$$ + \"+\\\\.\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:]\") + \"+\"),\n\t\tIP_LITERAL$ = subexp(\"\\\\[\" + subexp(IPV6ADDRZ_RELAXED$ + \"|\" + IPV6ADDRESS$ + \"|\" + IPVFUTURE$) + \"\\\\]\"), //RFC 6874\n\t\tREG_NAME$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$)) + \"*\"),\n\t\tHOST$ = subexp(IP_LITERAL$ + \"|\" + IPV4ADDRESS$ + \"(?!\" + REG_NAME$ + \")\" + \"|\" + REG_NAME$),\n\t\tPORT$ = subexp(DIGIT$$ + \"*\"),\n\t\tAUTHORITY$ = subexp(subexp(USERINFO$ + \"@\") + \"?\" + HOST$ + subexp(\"\\\\:\" + PORT$) + \"?\"),\n\t\tPCHAR$ = subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@]\")),\n\t\tSEGMENT$ = subexp(PCHAR$ + \"*\"),\n\t\tSEGMENT_NZ$ = subexp(PCHAR$ + \"+\"),\n\t\tSEGMENT_NZ_NC$ = subexp(subexp(PCT_ENCODED$ + \"|\" + merge(UNRESERVED$$, SUB_DELIMS$$, \"[\\\\@]\")) + \"+\"),\n\t\tPATH_ABEMPTY$ = subexp(subexp(\"\\\\/\" + SEGMENT$) + \"*\"),\n\t\tPATH_ABSOLUTE$ = subexp(\"\\\\/\" + subexp(SEGMENT_NZ$ + PATH_ABEMPTY$) + \"?\"), //simplified\n\t\tPATH_NOSCHEME$ = subexp(SEGMENT_NZ_NC$ + PATH_ABEMPTY$), //simplified\n\t\tPATH_ROOTLESS$ = subexp(SEGMENT_NZ$ + PATH_ABEMPTY$), //simplified\n\t\tPATH_EMPTY$ = \"(?!\" + PCHAR$ + \")\",\n\t\tPATH$ = subexp(PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$),\n\t\tQUERY$ = subexp(subexp(PCHAR$ + \"|\" + merge(\"[\\\\/\\\\?]\", IPRIVATE$$)) + \"*\"),\n\t\tFRAGMENT$ = subexp(subexp(PCHAR$ + \"|[\\\\/\\\\?]\") + \"*\"),\n\t\tHIER_PART$ = subexp(subexp(\"\\\\/\\\\/\" + AUTHORITY$ + PATH_ABEMPTY$) + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$),\n\t\tURI$ = subexp(SCHEME$ + \"\\\\:\" + HIER_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\" + subexp(\"\\\\#\" + FRAGMENT$) + \"?\"),\n\t\tRELATIVE_PART$ = subexp(subexp(\"\\\\/\\\\/\" + AUTHORITY$ + PATH_ABEMPTY$) + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_EMPTY$),\n\t\tRELATIVE$ = subexp(RELATIVE_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\" + subexp(\"\\\\#\" + FRAGMENT$) + \"?\"),\n\t\tURI_REFERENCE$ = subexp(URI$ + \"|\" + RELATIVE$),\n\t\tABSOLUTE_URI$ = subexp(SCHEME$ + \"\\\\:\" + HIER_PART$ + subexp(\"\\\\?\" + QUERY$) + \"?\"),\n\n\t\tGENERIC_REF$ = \"^(\" + SCHEME$ + \")\\\\:\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tRELATIVE_REF$ = \"^(){0}\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_NOSCHEME$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tABSOLUTE_REF$ = \"^(\" + SCHEME$ + \")\\\\:\" + subexp(subexp(\"\\\\/\\\\/(\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?)\") + \"?(\" + PATH_ABEMPTY$ + \"|\" + PATH_ABSOLUTE$ + \"|\" + PATH_ROOTLESS$ + \"|\" + PATH_EMPTY$ + \")\") + subexp(\"\\\\?(\" + QUERY$ + \")\") + \"?$\",\n\t\tSAMEDOC_REF$ = \"^\" + subexp(\"\\\\#(\" + FRAGMENT$ + \")\") + \"?$\",\n\t\tAUTHORITY_REF$ = \"^\" + subexp(\"(\" + USERINFO$ + \")@\") + \"?(\" + HOST$ + \")\" + subexp(\"\\\\:(\" + PORT$ + \")\") + \"?$\"\n\t;\n\n\treturn {\n\t\tNOT_SCHEME : new RegExp(merge(\"[^]\", ALPHA$$, DIGIT$$, \"[\\\\+\\\\-\\\\.]\"), \"g\"),\n\t\tNOT_USERINFO : new RegExp(merge(\"[^\\\\%\\\\:]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_HOST : new RegExp(merge(\"[^\\\\%\\\\[\\\\]\\\\:]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_PATH : new RegExp(merge(\"[^\\\\%\\\\/\\\\:\\\\@]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_PATH_NOSCHEME : new RegExp(merge(\"[^\\\\%\\\\/\\\\@]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tNOT_QUERY : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@\\\\/\\\\?]\", IPRIVATE$$), \"g\"),\n\t\tNOT_FRAGMENT : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, SUB_DELIMS$$, \"[\\\\:\\\\@\\\\/\\\\?]\"), \"g\"),\n\t\tESCAPE : new RegExp(merge(\"[^]\", UNRESERVED$$, SUB_DELIMS$$), \"g\"),\n\t\tUNRESERVED : new RegExp(UNRESERVED$$, \"g\"),\n\t\tOTHER_CHARS : new RegExp(merge(\"[^\\\\%]\", UNRESERVED$$, RESERVED$$), \"g\"),\n\t\tPCT_ENCODED : new RegExp(PCT_ENCODED$, \"g\"),\n\t\tIPV4ADDRESS : new RegExp(\"^(\" + IPV4ADDRESS$ + \")$\"),\n\t\tIPV6ADDRESS : new RegExp(\"^\\\\[?(\" + IPV6ADDRESS$ + \")\" + subexp(subexp(\"\\\\%25|\\\\%(?!\" + HEXDIG$$ + \"{2})\") + \"(\" + ZONEID$ + \")\") + \"?\\\\]?$\") //RFC 6874, with relaxed parsing rules\n\t};\n}\n\nexport default buildExps(false);\n","'use strict';\n\n/** Highest positive signed 32-bit float value */\nconst maxInt = 2147483647; // aka. 0x7FFFFFFF or 2^31-1\n\n/** Bootstring parameters */\nconst base = 36;\nconst tMin = 1;\nconst tMax = 26;\nconst skew = 38;\nconst damp = 700;\nconst initialBias = 72;\nconst initialN = 128; // 0x80\nconst delimiter = '-'; // '\\x2D'\n\n/** Regular expressions */\nconst regexPunycode = /^xn--/;\nconst regexNonASCII = /[^\\0-\\x7E]/; // non-ASCII chars\nconst regexSeparators = /[\\x2E\\u3002\\uFF0E\\uFF61]/g; // RFC 3490 separators\n\n/** Error messages */\nconst errors = {\n\t'overflow': 'Overflow: input needs wider integers to process',\n\t'not-basic': 'Illegal input >= 0x80 (not a basic code point)',\n\t'invalid-input': 'Invalid input'\n};\n\n/** Convenience shortcuts */\nconst baseMinusTMin = base - tMin;\nconst floor = Math.floor;\nconst stringFromCharCode = String.fromCharCode;\n\n/*--------------------------------------------------------------------------*/\n\n/**\n * A generic error utility function.\n * @private\n * @param {String} type The error type.\n * @returns {Error} Throws a `RangeError` with the applicable error message.\n */\nfunction error(type) {\n\tthrow new RangeError(errors[type]);\n}\n\n/**\n * A generic `Array#map` utility function.\n * @private\n * @param {Array} array The array to iterate over.\n * @param {Function} callback The function that gets called for every array\n * item.\n * @returns {Array} A new array of values returned by the callback function.\n */\nfunction map(array, fn) {\n\tconst result = [];\n\tlet length = array.length;\n\twhile (length--) {\n\t\tresult[length] = fn(array[length]);\n\t}\n\treturn result;\n}\n\n/**\n * A simple `Array#map`-like wrapper to work with domain name strings or email\n * addresses.\n * @private\n * @param {String} domain The domain name or email address.\n * @param {Function} callback The function that gets called for every\n * character.\n * @returns {Array} A new string of characters returned by the callback\n * function.\n */\nfunction mapDomain(string, fn) {\n\tconst parts = string.split('@');\n\tlet result = '';\n\tif (parts.length > 1) {\n\t\t// In email addresses, only the domain name should be punycoded. Leave\n\t\t// the local part (i.e. everything up to `@`) intact.\n\t\tresult = parts[0] + '@';\n\t\tstring = parts[1];\n\t}\n\t// Avoid `split(regex)` for IE8 compatibility. See #17.\n\tstring = string.replace(regexSeparators, '\\x2E');\n\tconst labels = string.split('.');\n\tconst encoded = map(labels, fn).join('.');\n\treturn result + encoded;\n}\n\n/**\n * Creates an array containing the numeric code points of each Unicode\n * character in the string. While JavaScript uses UCS-2 internally,\n * this function will convert a pair of surrogate halves (each of which\n * UCS-2 exposes as separate characters) into a single code point,\n * matching UTF-16.\n * @see `punycode.ucs2.encode`\n * @see \n * @memberOf punycode.ucs2\n * @name decode\n * @param {String} string The Unicode input string (UCS-2).\n * @returns {Array} The new array of code points.\n */\nfunction ucs2decode(string) {\n\tconst output = [];\n\tlet counter = 0;\n\tconst length = string.length;\n\twhile (counter < length) {\n\t\tconst value = string.charCodeAt(counter++);\n\t\tif (value >= 0xD800 && value <= 0xDBFF && counter < length) {\n\t\t\t// It's a high surrogate, and there is a next character.\n\t\t\tconst extra = string.charCodeAt(counter++);\n\t\t\tif ((extra & 0xFC00) == 0xDC00) { // Low surrogate.\n\t\t\t\toutput.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);\n\t\t\t} else {\n\t\t\t\t// It's an unmatched surrogate; only append this code unit, in case the\n\t\t\t\t// next code unit is the high surrogate of a surrogate pair.\n\t\t\t\toutput.push(value);\n\t\t\t\tcounter--;\n\t\t\t}\n\t\t} else {\n\t\t\toutput.push(value);\n\t\t}\n\t}\n\treturn output;\n}\n\n/**\n * Creates a string based on an array of numeric code points.\n * @see `punycode.ucs2.decode`\n * @memberOf punycode.ucs2\n * @name encode\n * @param {Array} codePoints The array of numeric code points.\n * @returns {String} The new Unicode string (UCS-2).\n */\nconst ucs2encode = array => String.fromCodePoint(...array);\n\n/**\n * Converts a basic code point into a digit/integer.\n * @see `digitToBasic()`\n * @private\n * @param {Number} codePoint The basic numeric code point value.\n * @returns {Number} The numeric value of a basic code point (for use in\n * representing integers) in the range `0` to `base - 1`, or `base` if\n * the code point does not represent a value.\n */\nconst basicToDigit = function(codePoint) {\n\tif (codePoint - 0x30 < 0x0A) {\n\t\treturn codePoint - 0x16;\n\t}\n\tif (codePoint - 0x41 < 0x1A) {\n\t\treturn codePoint - 0x41;\n\t}\n\tif (codePoint - 0x61 < 0x1A) {\n\t\treturn codePoint - 0x61;\n\t}\n\treturn base;\n};\n\n/**\n * Converts a digit/integer into a basic code point.\n * @see `basicToDigit()`\n * @private\n * @param {Number} digit The numeric value of a basic code point.\n * @returns {Number} The basic code point whose value (when used for\n * representing integers) is `digit`, which needs to be in the range\n * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is\n * used; else, the lowercase form is used. The behavior is undefined\n * if `flag` is non-zero and `digit` has no uppercase form.\n */\nconst digitToBasic = function(digit, flag) {\n\t// 0..25 map to ASCII a..z or A..Z\n\t// 26..35 map to ASCII 0..9\n\treturn digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);\n};\n\n/**\n * Bias adaptation function as per section 3.4 of RFC 3492.\n * https://tools.ietf.org/html/rfc3492#section-3.4\n * @private\n */\nconst adapt = function(delta, numPoints, firstTime) {\n\tlet k = 0;\n\tdelta = firstTime ? floor(delta / damp) : delta >> 1;\n\tdelta += floor(delta / numPoints);\n\tfor (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {\n\t\tdelta = floor(delta / baseMinusTMin);\n\t}\n\treturn floor(k + (baseMinusTMin + 1) * delta / (delta + skew));\n};\n\n/**\n * Converts a Punycode string of ASCII-only symbols to a string of Unicode\n * symbols.\n * @memberOf punycode\n * @param {String} input The Punycode string of ASCII-only symbols.\n * @returns {String} The resulting string of Unicode symbols.\n */\nconst decode = function(input) {\n\t// Don't use UCS-2.\n\tconst output = [];\n\tconst inputLength = input.length;\n\tlet i = 0;\n\tlet n = initialN;\n\tlet bias = initialBias;\n\n\t// Handle the basic code points: let `basic` be the number of input code\n\t// points before the last delimiter, or `0` if there is none, then copy\n\t// the first basic code points to the output.\n\n\tlet basic = input.lastIndexOf(delimiter);\n\tif (basic < 0) {\n\t\tbasic = 0;\n\t}\n\n\tfor (let j = 0; j < basic; ++j) {\n\t\t// if it's not a basic code point\n\t\tif (input.charCodeAt(j) >= 0x80) {\n\t\t\terror('not-basic');\n\t\t}\n\t\toutput.push(input.charCodeAt(j));\n\t}\n\n\t// Main decoding loop: start just after the last delimiter if any basic code\n\t// points were copied; start at the beginning otherwise.\n\n\tfor (let index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {\n\n\t\t// `index` is the index of the next character to be consumed.\n\t\t// Decode a generalized variable-length integer into `delta`,\n\t\t// which gets added to `i`. The overflow checking is easier\n\t\t// if we increase `i` as we go, then subtract off its starting\n\t\t// value at the end to obtain `delta`.\n\t\tlet oldi = i;\n\t\tfor (let w = 1, k = base; /* no condition */; k += base) {\n\n\t\t\tif (index >= inputLength) {\n\t\t\t\terror('invalid-input');\n\t\t\t}\n\n\t\t\tconst digit = basicToDigit(input.charCodeAt(index++));\n\n\t\t\tif (digit >= base || digit > floor((maxInt - i) / w)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\ti += digit * w;\n\t\t\tconst t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\n\t\t\tif (digit < t) {\n\t\t\t\tbreak;\n\t\t\t}\n\n\t\t\tconst baseMinusT = base - t;\n\t\t\tif (w > floor(maxInt / baseMinusT)) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\n\t\t\tw *= baseMinusT;\n\n\t\t}\n\n\t\tconst out = output.length + 1;\n\t\tbias = adapt(i - oldi, out, oldi == 0);\n\n\t\t// `i` was supposed to wrap around from `out` to `0`,\n\t\t// incrementing `n` each time, so we'll fix that now:\n\t\tif (floor(i / out) > maxInt - n) {\n\t\t\terror('overflow');\n\t\t}\n\n\t\tn += floor(i / out);\n\t\ti %= out;\n\n\t\t// Insert `n` at position `i` of the output.\n\t\toutput.splice(i++, 0, n);\n\n\t}\n\n\treturn String.fromCodePoint(...output);\n};\n\n/**\n * Converts a string of Unicode symbols (e.g. a domain name label) to a\n * Punycode string of ASCII-only symbols.\n * @memberOf punycode\n * @param {String} input The string of Unicode symbols.\n * @returns {String} The resulting Punycode string of ASCII-only symbols.\n */\nconst encode = function(input) {\n\tconst output = [];\n\n\t// Convert the input in UCS-2 to an array of Unicode code points.\n\tinput = ucs2decode(input);\n\n\t// Cache the length.\n\tlet inputLength = input.length;\n\n\t// Initialize the state.\n\tlet n = initialN;\n\tlet delta = 0;\n\tlet bias = initialBias;\n\n\t// Handle the basic code points.\n\tfor (const currentValue of input) {\n\t\tif (currentValue < 0x80) {\n\t\t\toutput.push(stringFromCharCode(currentValue));\n\t\t}\n\t}\n\n\tlet basicLength = output.length;\n\tlet handledCPCount = basicLength;\n\n\t// `handledCPCount` is the number of code points that have been handled;\n\t// `basicLength` is the number of basic code points.\n\n\t// Finish the basic string with a delimiter unless it's empty.\n\tif (basicLength) {\n\t\toutput.push(delimiter);\n\t}\n\n\t// Main encoding loop:\n\twhile (handledCPCount < inputLength) {\n\n\t\t// All non-basic code points < n have been handled already. Find the next\n\t\t// larger one:\n\t\tlet m = maxInt;\n\t\tfor (const currentValue of input) {\n\t\t\tif (currentValue >= n && currentValue < m) {\n\t\t\t\tm = currentValue;\n\t\t\t}\n\t\t}\n\n\t\t// Increase `delta` enough to advance the decoder's state to ,\n\t\t// but guard against overflow.\n\t\tconst handledCPCountPlusOne = handledCPCount + 1;\n\t\tif (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {\n\t\t\terror('overflow');\n\t\t}\n\n\t\tdelta += (m - n) * handledCPCountPlusOne;\n\t\tn = m;\n\n\t\tfor (const currentValue of input) {\n\t\t\tif (currentValue < n && ++delta > maxInt) {\n\t\t\t\terror('overflow');\n\t\t\t}\n\t\t\tif (currentValue == n) {\n\t\t\t\t// Represent delta as a generalized variable-length integer.\n\t\t\t\tlet q = delta;\n\t\t\t\tfor (let k = base; /* no condition */; k += base) {\n\t\t\t\t\tconst t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);\n\t\t\t\t\tif (q < t) {\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tconst qMinusT = q - t;\n\t\t\t\t\tconst baseMinusT = base - t;\n\t\t\t\t\toutput.push(\n\t\t\t\t\t\tstringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))\n\t\t\t\t\t);\n\t\t\t\t\tq = floor(qMinusT / baseMinusT);\n\t\t\t\t}\n\n\t\t\t\toutput.push(stringFromCharCode(digitToBasic(q, 0)));\n\t\t\t\tbias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);\n\t\t\t\tdelta = 0;\n\t\t\t\t++handledCPCount;\n\t\t\t}\n\t\t}\n\n\t\t++delta;\n\t\t++n;\n\n\t}\n\treturn output.join('');\n};\n\n/**\n * Converts a Punycode string representing a domain name or an email address\n * to Unicode. Only the Punycoded parts of the input will be converted, i.e.\n * it doesn't matter if you call it on a string that has already been\n * converted to Unicode.\n * @memberOf punycode\n * @param {String} input The Punycoded domain name or email address to\n * convert to Unicode.\n * @returns {String} The Unicode representation of the given Punycode\n * string.\n */\nconst toUnicode = function(input) {\n\treturn mapDomain(input, function(string) {\n\t\treturn regexPunycode.test(string)\n\t\t\t? decode(string.slice(4).toLowerCase())\n\t\t\t: string;\n\t});\n};\n\n/**\n * Converts a Unicode string representing a domain name or an email address to\n * Punycode. Only the non-ASCII parts of the domain name will be converted,\n * i.e. it doesn't matter if you call it with a domain that's already in\n * ASCII.\n * @memberOf punycode\n * @param {String} input The domain name or email address to convert, as a\n * Unicode string.\n * @returns {String} The Punycode representation of the given domain name or\n * email address.\n */\nconst toASCII = function(input) {\n\treturn mapDomain(input, function(string) {\n\t\treturn regexNonASCII.test(string)\n\t\t\t? 'xn--' + encode(string)\n\t\t\t: string;\n\t});\n};\n\n/*--------------------------------------------------------------------------*/\n\n/** Define the public API */\nconst punycode = {\n\t/**\n\t * A string representing the current Punycode.js version number.\n\t * @memberOf punycode\n\t * @type String\n\t */\n\t'version': '2.1.0',\n\t/**\n\t * An object of methods to convert from JavaScript's internal character\n\t * representation (UCS-2) to Unicode code points, and back.\n\t * @see \n\t * @memberOf punycode\n\t * @type Object\n\t */\n\t'ucs2': {\n\t\t'decode': ucs2decode,\n\t\t'encode': ucs2encode\n\t},\n\t'decode': decode,\n\t'encode': encode,\n\t'toASCII': toASCII,\n\t'toUnicode': toUnicode\n};\n\nexport default punycode;\n","/**\n * URI.js\n *\n * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript.\n * @author Gary Court\n * @see http://github.com/garycourt/uri-js\n */\n\n/**\n * Copyright 2011 Gary Court. All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without modification, are\n * permitted provided that the following conditions are met:\n *\n * 1. Redistributions of source code must retain the above copyright notice, this list of\n * conditions and the following disclaimer.\n *\n * 2. Redistributions in binary form must reproduce the above copyright notice, this list\n * of conditions and the following disclaimer in the documentation and/or other materials\n * provided with the distribution.\n *\n * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED\n * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND\n * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR\n * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR\n * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\n * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\n * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF\n * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n *\n * The views and conclusions contained in the software and documentation are those of the\n * authors and should not be interpreted as representing official policies, either expressed\n * or implied, of Gary Court.\n */\n\nimport URI_PROTOCOL from \"./regexps-uri\";\nimport IRI_PROTOCOL from \"./regexps-iri\";\nimport punycode from \"punycode\";\nimport { toUpperCase, typeOf, assign } from \"./util\";\n\nexport interface URIComponents {\n\tscheme?:string;\n\tuserinfo?:string;\n\thost?:string;\n\tport?:number|string;\n\tpath?:string;\n\tquery?:string;\n\tfragment?:string;\n\treference?:string;\n\terror?:string;\n}\n\nexport interface URIOptions {\n\tscheme?:string;\n\treference?:string;\n\ttolerant?:boolean;\n\tabsolutePath?:boolean;\n\tiri?:boolean;\n\tunicodeSupport?:boolean;\n\tdomainHost?:boolean;\n}\n\nexport interface URISchemeHandler {\n\tscheme:string;\n\tparse(components:ParentComponents, options:Options):Components;\n\tserialize(components:Components, options:Options):ParentComponents;\n\tunicodeSupport?:boolean;\n\tdomainHost?:boolean;\n\tabsolutePath?:boolean;\n}\n\nexport interface URIRegExps {\n\tNOT_SCHEME : RegExp,\n\tNOT_USERINFO : RegExp,\n\tNOT_HOST : RegExp,\n\tNOT_PATH : RegExp,\n\tNOT_PATH_NOSCHEME : RegExp,\n\tNOT_QUERY : RegExp,\n\tNOT_FRAGMENT : RegExp,\n\tESCAPE : RegExp,\n\tUNRESERVED : RegExp,\n\tOTHER_CHARS : RegExp,\n\tPCT_ENCODED : RegExp,\n\tIPV4ADDRESS : RegExp,\n\tIPV6ADDRESS : RegExp,\n}\n\nexport const SCHEMES:{[scheme:string]:URISchemeHandler} = {};\n\nexport function pctEncChar(chr:string):string {\n\tconst c = chr.charCodeAt(0);\n\tlet e:string;\n\n\tif (c < 16) e = \"%0\" + c.toString(16).toUpperCase();\n\telse if (c < 128) e = \"%\" + c.toString(16).toUpperCase();\n\telse if (c < 2048) e = \"%\" + ((c >> 6) | 192).toString(16).toUpperCase() + \"%\" + ((c & 63) | 128).toString(16).toUpperCase();\n\telse e = \"%\" + ((c >> 12) | 224).toString(16).toUpperCase() + \"%\" + (((c >> 6) & 63) | 128).toString(16).toUpperCase() + \"%\" + ((c & 63) | 128).toString(16).toUpperCase();\n\n\treturn e;\n}\n\nexport function pctDecChars(str:string):string {\n\tlet newStr = \"\";\n\tlet i = 0;\n\tconst il = str.length;\n\n\twhile (i < il) {\n\t\tconst c = parseInt(str.substr(i + 1, 2), 16);\n\n\t\tif (c < 128) {\n\t\t\tnewStr += String.fromCharCode(c);\n\t\t\ti += 3;\n\t\t}\n\t\telse if (c >= 194 && c < 224) {\n\t\t\tif ((il - i) >= 6) {\n\t\t\t\tconst c2 = parseInt(str.substr(i + 4, 2), 16);\n\t\t\t\tnewStr += String.fromCharCode(((c & 31) << 6) | (c2 & 63));\n\t\t\t} else {\n\t\t\t\tnewStr += str.substr(i, 6);\n\t\t\t}\n\t\t\ti += 6;\n\t\t}\n\t\telse if (c >= 224) {\n\t\t\tif ((il - i) >= 9) {\n\t\t\t\tconst c2 = parseInt(str.substr(i + 4, 2), 16);\n\t\t\t\tconst c3 = parseInt(str.substr(i + 7, 2), 16);\n\t\t\t\tnewStr += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));\n\t\t\t} else {\n\t\t\t\tnewStr += str.substr(i, 9);\n\t\t\t}\n\t\t\ti += 9;\n\t\t}\n\t\telse {\n\t\t\tnewStr += str.substr(i, 3);\n\t\t\ti += 3;\n\t\t}\n\t}\n\n\treturn newStr;\n}\n\nfunction _normalizeComponentEncoding(components:URIComponents, protocol:URIRegExps) {\n\tfunction decodeUnreserved(str:string):string {\n\t\tconst decStr = pctDecChars(str);\n\t\treturn (!decStr.match(protocol.UNRESERVED) ? str : decStr);\n\t}\n\n\tif (components.scheme) components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, \"\");\n\tif (components.userinfo !== undefined) components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.host !== undefined) components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.path !== undefined) components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace((components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME), pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.query !== undefined) components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\tif (components.fragment !== undefined) components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase);\n\n\treturn components;\n};\n\nfunction _stripLeadingZeros(str:string):string {\n\treturn str.replace(/^0*(.*)/, \"$1\") || \"0\";\n}\n\nfunction _normalizeIPv4(host:string, protocol:URIRegExps):string {\n\tconst matches = host.match(protocol.IPV4ADDRESS) || [];\n\tconst [, address] = matches;\n\t\n\tif (address) {\n\t\treturn address.split(\".\").map(_stripLeadingZeros).join(\".\");\n\t} else {\n\t\treturn host;\n\t}\n}\n\nfunction _normalizeIPv6(host:string, protocol:URIRegExps):string {\n\tconst matches = host.match(protocol.IPV6ADDRESS) || [];\n\tconst [, address, zone] = matches;\n\n\tif (address) {\n\t\tconst [last, first] = address.toLowerCase().split('::').reverse();\n\t\tconst firstFields = first ? first.split(\":\").map(_stripLeadingZeros) : [];\n\t\tconst lastFields = last.split(\":\").map(_stripLeadingZeros);\n\t\tconst isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]);\n\t\tconst fieldCount = isLastFieldIPv4Address ? 7 : 8;\n\t\tconst lastFieldsStart = lastFields.length - fieldCount;\n\t\tconst fields = Array(fieldCount);\n\n\t\tfor (let x = 0; x < fieldCount; ++x) {\n\t\t\tfields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || '';\n\t\t}\n\n\t\tif (isLastFieldIPv4Address) {\n\t\t\tfields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol);\n\t\t}\n\n\t\tconst allZeroFields = fields.reduce>((acc, field, index) => {\n\t\t\tif (!field || field === \"0\") {\n\t\t\t\tconst lastLongest = acc[acc.length - 1];\n\t\t\t\tif (lastLongest && lastLongest.index + lastLongest.length === index) {\n\t\t\t\t\tlastLongest.length++;\n\t\t\t\t} else {\n\t\t\t\t\tacc.push({ index, length : 1 });\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn acc;\n\t\t}, []);\n\n\t\tconst longestZeroFields = allZeroFields.sort((a, b) => b.length - a.length)[0];\n\n\t\tlet newHost:string;\n\t\tif (longestZeroFields && longestZeroFields.length > 1) {\n\t\t\tconst newFirst = fields.slice(0, longestZeroFields.index) ;\n\t\t\tconst newLast = fields.slice(longestZeroFields.index + longestZeroFields.length);\n\t\t\tnewHost = newFirst.join(\":\") + \"::\" + newLast.join(\":\");\n\t\t} else {\n\t\t\tnewHost = fields.join(\":\");\n\t\t}\n\n\t\tif (zone) {\n\t\t\tnewHost += \"%\" + zone;\n\t\t}\n\n\t\treturn newHost;\n\t} else {\n\t\treturn host;\n\t}\n}\n\nconst URI_PARSE = /^(?:([^:\\/?#]+):)?(?:\\/\\/((?:([^\\/?#@]*)@)?(\\[[^\\/?#\\]]+\\]|[^\\/?#:]*)(?:\\:(\\d*))?))?([^?#]*)(?:\\?([^#]*))?(?:#((?:.|\\n|\\r)*))?/i;\nconst NO_MATCH_IS_UNDEFINED = ((\"\").match(/(){0}/))[1] === undefined;\n\nexport function parse(uriString:string, options:URIOptions = {}):URIComponents {\n\tconst components:URIComponents = {};\n\tconst protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);\n\n\tif (options.reference === \"suffix\") uriString = (options.scheme ? options.scheme + \":\" : \"\") + \"//\" + uriString;\n\n\tconst matches = uriString.match(URI_PARSE);\n\n\tif (matches) {\n\t\tif (NO_MATCH_IS_UNDEFINED) {\n\t\t\t//store each component\n\t\t\tcomponents.scheme = matches[1];\n\t\t\tcomponents.userinfo = matches[3];\n\t\t\tcomponents.host = matches[4];\n\t\t\tcomponents.port = parseInt(matches[5], 10);\n\t\t\tcomponents.path = matches[6] || \"\";\n\t\t\tcomponents.query = matches[7];\n\t\t\tcomponents.fragment = matches[8];\n\n\t\t\t//fix port number\n\t\t\tif (isNaN(components.port)) {\n\t\t\t\tcomponents.port = matches[5];\n\t\t\t}\n\t\t} else { //IE FIX for improper RegExp matching\n\t\t\t//store each component\n\t\t\tcomponents.scheme = matches[1] || undefined;\n\t\t\tcomponents.userinfo = (uriString.indexOf(\"@\") !== -1 ? matches[3] : undefined);\n\t\t\tcomponents.host = (uriString.indexOf(\"//\") !== -1 ? matches[4] : undefined);\n\t\t\tcomponents.port = parseInt(matches[5], 10);\n\t\t\tcomponents.path = matches[6] || \"\";\n\t\t\tcomponents.query = (uriString.indexOf(\"?\") !== -1 ? matches[7] : undefined);\n\t\t\tcomponents.fragment = (uriString.indexOf(\"#\") !== -1 ? matches[8] : undefined);\n\n\t\t\t//fix port number\n\t\t\tif (isNaN(components.port)) {\n\t\t\t\tcomponents.port = (uriString.match(/\\/\\/(?:.|\\n)*\\:(?:\\/|\\?|\\#|$)/) ? matches[4] : undefined);\n\t\t\t}\n\t\t}\n\n\t\tif (components.host) {\n\t\t\t//normalize IP hosts\n\t\t\tcomponents.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol);\n\t\t}\n\n\t\t//determine reference type\n\t\tif (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) {\n\t\t\tcomponents.reference = \"same-document\";\n\t\t} else if (components.scheme === undefined) {\n\t\t\tcomponents.reference = \"relative\";\n\t\t} else if (components.fragment === undefined) {\n\t\t\tcomponents.reference = \"absolute\";\n\t\t} else {\n\t\t\tcomponents.reference = \"uri\";\n\t\t}\n\n\t\t//check for reference errors\n\t\tif (options.reference && options.reference !== \"suffix\" && options.reference !== components.reference) {\n\t\t\tcomponents.error = components.error || \"URI is not a \" + options.reference + \" reference.\";\n\t\t}\n\n\t\t//find scheme handler\n\t\tconst schemeHandler = SCHEMES[(options.scheme || components.scheme || \"\").toLowerCase()];\n\n\t\t//check if scheme can't handle IRIs\n\t\tif (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) {\n\t\t\t//if host component is a domain name\n\t\t\tif (components.host && (options.domainHost || (schemeHandler && schemeHandler.domainHost))) {\n\t\t\t\t//convert Unicode IDN -> ASCII IDN\n\t\t\t\ttry {\n\t\t\t\t\tcomponents.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase());\n\t\t\t\t} catch (e) {\n\t\t\t\t\tcomponents.error = components.error || \"Host's domain name can not be converted to ASCII via punycode: \" + e;\n\t\t\t\t}\n\t\t\t}\n\t\t\t//convert IRI -> URI\n\t\t\t_normalizeComponentEncoding(components, URI_PROTOCOL);\n\t\t} else {\n\t\t\t//normalize encodings\n\t\t\t_normalizeComponentEncoding(components, protocol);\n\t\t}\n\n\t\t//perform scheme specific parsing\n\t\tif (schemeHandler && schemeHandler.parse) {\n\t\t\tschemeHandler.parse(components, options);\n\t\t}\n\t} else {\n\t\tcomponents.error = components.error || \"URI can not be parsed.\";\n\t}\n\n\treturn components;\n};\n\nfunction _recomposeAuthority(components:URIComponents, options:URIOptions):string|undefined {\n\tconst protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL);\n\tconst uriTokens:Array = [];\n\n\tif (components.userinfo !== undefined) {\n\t\turiTokens.push(components.userinfo);\n\t\turiTokens.push(\"@\");\n\t}\n\n\tif (components.host !== undefined) {\n\t\t//normalize IP hosts, add brackets and escape zone separator for IPv6\n\t\turiTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, (_, $1, $2) => \"[\" + $1 + ($2 ? \"%25\" + $2 : \"\") + \"]\"));\n\t}\n\n\tif (typeof components.port === \"number\" || typeof components.port === \"string\") {\n\t\turiTokens.push(\":\");\n\t\turiTokens.push(String(components.port));\n\t}\n\n\treturn uriTokens.length ? uriTokens.join(\"\") : undefined;\n};\n\nconst RDS1 = /^\\.\\.?\\//;\nconst RDS2 = /^\\/\\.(\\/|$)/;\nconst RDS3 = /^\\/\\.\\.(\\/|$)/;\nconst RDS4 = /^\\.\\.?$/;\nconst RDS5 = /^\\/?(?:.|\\n)*?(?=\\/|$)/;\n\nexport function removeDotSegments(input:string):string {\n\tconst output:Array = [];\n\n\twhile (input.length) {\n\t\tif (input.match(RDS1)) {\n\t\t\tinput = input.replace(RDS1, \"\");\n\t\t} else if (input.match(RDS2)) {\n\t\t\tinput = input.replace(RDS2, \"/\");\n\t\t} else if (input.match(RDS3)) {\n\t\t\tinput = input.replace(RDS3, \"/\");\n\t\t\toutput.pop();\n\t\t} else if (input === \".\" || input === \"..\") {\n\t\t\tinput = \"\";\n\t\t} else {\n\t\t\tconst im = input.match(RDS5);\n\t\t\tif (im) {\n\t\t\t\tconst s = im[0];\n\t\t\t\tinput = input.slice(s.length);\n\t\t\t\toutput.push(s);\n\t\t\t} else {\n\t\t\t\tthrow new Error(\"Unexpected dot segment condition\");\n\t\t\t}\n\t\t}\n\t}\n\n\treturn output.join(\"\");\n};\n\nexport function serialize(components:URIComponents, options:URIOptions = {}):string {\n\tconst protocol = (options.iri ? IRI_PROTOCOL : URI_PROTOCOL);\n\tconst uriTokens:Array = [];\n\n\t//find scheme handler\n\tconst schemeHandler = SCHEMES[(options.scheme || components.scheme || \"\").toLowerCase()];\n\n\t//perform scheme specific serialization\n\tif (schemeHandler && schemeHandler.serialize) schemeHandler.serialize(components, options);\n\n\tif (components.host) {\n\t\t//if host component is an IPv6 address\n\t\tif (protocol.IPV6ADDRESS.test(components.host)) {\n\t\t\t//TODO: normalize IPv6 address as per RFC 5952\n\t\t}\n\n\t\t//if host component is a domain name\n\t\telse if (options.domainHost || (schemeHandler && schemeHandler.domainHost)) {\n\t\t\t//convert IDN via punycode\n\t\t\ttry {\n\t\t\t\tcomponents.host = (!options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host));\n\t\t\t} catch (e) {\n\t\t\t\tcomponents.error = components.error || \"Host's domain name can not be converted to \" + (!options.iri ? \"ASCII\" : \"Unicode\") + \" via punycode: \" + e;\n\t\t\t}\n\t\t}\n\t}\n\n\t//normalize encoding\n\t_normalizeComponentEncoding(components, protocol);\n\n\tif (options.reference !== \"suffix\" && components.scheme) {\n\t\turiTokens.push(components.scheme);\n\t\turiTokens.push(\":\");\n\t}\n\n\tconst authority = _recomposeAuthority(components, options);\n\tif (authority !== undefined) {\n\t\tif (options.reference !== \"suffix\") {\n\t\t\turiTokens.push(\"//\");\n\t\t}\n\n\t\turiTokens.push(authority);\n\n\t\tif (components.path && components.path.charAt(0) !== \"/\") {\n\t\t\turiTokens.push(\"/\");\n\t\t}\n\t}\n\n\tif (components.path !== undefined) {\n\t\tlet s = components.path;\n\n\t\tif (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) {\n\t\t\ts = removeDotSegments(s);\n\t\t}\n\n\t\tif (authority === undefined) {\n\t\t\ts = s.replace(/^\\/\\//, \"/%2F\"); //don't allow the path to start with \"//\"\n\t\t}\n\n\t\turiTokens.push(s);\n\t}\n\n\tif (components.query !== undefined) {\n\t\turiTokens.push(\"?\");\n\t\turiTokens.push(components.query);\n\t}\n\n\tif (components.fragment !== undefined) {\n\t\turiTokens.push(\"#\");\n\t\turiTokens.push(components.fragment);\n\t}\n\n\treturn uriTokens.join(\"\"); //merge tokens into a string\n};\n\nexport function resolveComponents(base:URIComponents, relative:URIComponents, options:URIOptions = {}, skipNormalization?:boolean):URIComponents {\n\tconst target:URIComponents = {};\n\n\tif (!skipNormalization) {\n\t\tbase = parse(serialize(base, options), options); //normalize base components\n\t\trelative = parse(serialize(relative, options), options); //normalize relative components\n\t}\n\toptions = options || {};\n\n\tif (!options.tolerant && relative.scheme) {\n\t\ttarget.scheme = relative.scheme;\n\t\t//target.authority = relative.authority;\n\t\ttarget.userinfo = relative.userinfo;\n\t\ttarget.host = relative.host;\n\t\ttarget.port = relative.port;\n\t\ttarget.path = removeDotSegments(relative.path || \"\");\n\t\ttarget.query = relative.query;\n\t} else {\n\t\tif (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) {\n\t\t\t//target.authority = relative.authority;\n\t\t\ttarget.userinfo = relative.userinfo;\n\t\t\ttarget.host = relative.host;\n\t\t\ttarget.port = relative.port;\n\t\t\ttarget.path = removeDotSegments(relative.path || \"\");\n\t\t\ttarget.query = relative.query;\n\t\t} else {\n\t\t\tif (!relative.path) {\n\t\t\t\ttarget.path = base.path;\n\t\t\t\tif (relative.query !== undefined) {\n\t\t\t\t\ttarget.query = relative.query;\n\t\t\t\t} else {\n\t\t\t\t\ttarget.query = base.query;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\tif (relative.path.charAt(0) === \"/\") {\n\t\t\t\t\ttarget.path = removeDotSegments(relative.path);\n\t\t\t\t} else {\n\t\t\t\t\tif ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) {\n\t\t\t\t\t\ttarget.path = \"/\" + relative.path;\n\t\t\t\t\t} else if (!base.path) {\n\t\t\t\t\t\ttarget.path = relative.path;\n\t\t\t\t\t} else {\n\t\t\t\t\t\ttarget.path = base.path.slice(0, base.path.lastIndexOf(\"/\") + 1) + relative.path;\n\t\t\t\t\t}\n\t\t\t\t\ttarget.path = removeDotSegments(target.path);\n\t\t\t\t}\n\t\t\t\ttarget.query = relative.query;\n\t\t\t}\n\t\t\t//target.authority = base.authority;\n\t\t\ttarget.userinfo = base.userinfo;\n\t\t\ttarget.host = base.host;\n\t\t\ttarget.port = base.port;\n\t\t}\n\t\ttarget.scheme = base.scheme;\n\t}\n\n\ttarget.fragment = relative.fragment;\n\n\treturn target;\n};\n\nexport function resolve(baseURI:string, relativeURI:string, options?:URIOptions):string {\n\tconst schemelessOptions = assign({ scheme : 'null' }, options);\n\treturn serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions);\n};\n\nexport function normalize(uri:string, options?:URIOptions):string;\nexport function normalize(uri:URIComponents, options?:URIOptions):URIComponents;\nexport function normalize(uri:any, options?:URIOptions):any {\n\tif (typeof uri === \"string\") {\n\t\turi = serialize(parse(uri, options), options);\n\t} else if (typeOf(uri) === \"object\") {\n\t\turi = parse(serialize(uri, options), options);\n\t}\n\n\treturn uri;\n};\n\nexport function equal(uriA:string, uriB:string, options?: URIOptions):boolean;\nexport function equal(uriA:URIComponents, uriB:URIComponents, options?:URIOptions):boolean;\nexport function equal(uriA:any, uriB:any, options?:URIOptions):boolean {\n\tif (typeof uriA === \"string\") {\n\t\turiA = serialize(parse(uriA, options), options);\n\t} else if (typeOf(uriA) === \"object\") {\n\t\turiA = serialize(uriA, options);\n\t}\n\n\tif (typeof uriB === \"string\") {\n\t\turiB = serialize(parse(uriB, options), options);\n\t} else if (typeOf(uriB) === \"object\") {\n\t\turiB = serialize(uriB, options);\n\t}\n\n\treturn uriA === uriB;\n};\n\nexport function escapeComponent(str:string, options?:URIOptions):string {\n\treturn str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE), pctEncChar);\n};\n\nexport function unescapeComponent(str:string, options?:URIOptions):string {\n\treturn str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED), pctDecChars);\n};\n","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\n\nexport interface WSComponents extends URIComponents {\n\tresourceName?: string;\n\tsecure?: boolean;\n}\n\nfunction isSecure(wsComponents:WSComponents):boolean {\n\treturn typeof wsComponents.secure === 'boolean' ? wsComponents.secure : String(wsComponents.scheme).toLowerCase() === \"wss\";\n}\n\n//RFC 6455\nconst handler:URISchemeHandler = {\n\tscheme : \"ws\",\n\n\tdomainHost : true,\n\n\tparse : function (components:URIComponents, options:URIOptions):WSComponents {\n\t\tconst wsComponents = components as WSComponents;\n\n\t\t//indicate if the secure flag is set\n\t\twsComponents.secure = isSecure(wsComponents);\n\n\t\t//construct resouce name\n\t\twsComponents.resourceName = (wsComponents.path || '/') + (wsComponents.query ? '?' + wsComponents.query : '');\n\t\twsComponents.path = undefined;\n\t\twsComponents.query = undefined;\n\n\t\treturn wsComponents;\n\t},\n\n\tserialize : function (wsComponents:WSComponents, options:URIOptions):URIComponents {\n\t\t//normalize the default port\n\t\tif (wsComponents.port === (isSecure(wsComponents) ? 443 : 80) || wsComponents.port === \"\") {\n\t\t\twsComponents.port = undefined;\n\t\t}\n\n\t\t//ensure scheme matches secure flag\n\t\tif (typeof wsComponents.secure === 'boolean') {\n\t\t\twsComponents.scheme = (wsComponents.secure ? 'wss' : 'ws');\n\t\t\twsComponents.secure = undefined;\n\t\t}\n\n\t\t//reconstruct path from resource name\n\t\tif (wsComponents.resourceName) {\n\t\t\tconst [path, query] = wsComponents.resourceName.split('?');\n\t\t\twsComponents.path = (path && path !== '/' ? path : undefined);\n\t\t\twsComponents.query = query;\n\t\t\twsComponents.resourceName = undefined;\n\t\t}\n\n\t\t//forbid fragment component\n\t\twsComponents.fragment = undefined;\n\n\t\treturn wsComponents;\n\t}\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { pctEncChar, pctDecChars, unescapeComponent } from \"../uri\";\nimport punycode from \"punycode\";\nimport { merge, subexp, toUpperCase, toArray } from \"../util\";\n\nexport interface MailtoHeaders {\n\t[hfname:string]:string\n}\n\nexport interface MailtoComponents extends URIComponents {\n\tto:Array,\n\theaders?:MailtoHeaders,\n\tsubject?:string,\n\tbody?:string\n}\n\nconst O:MailtoHeaders = {};\nconst isIRI = true;\n\n//RFC 3986\nconst UNRESERVED$$ = \"[A-Za-z0-9\\\\-\\\\.\\\\_\\\\~\" + (isIRI ? \"\\\\xA0-\\\\u200D\\\\u2010-\\\\u2029\\\\u202F-\\\\uD7FF\\\\uF900-\\\\uFDCF\\\\uFDF0-\\\\uFFEF\" : \"\") + \"]\";\nconst HEXDIG$$ = \"[0-9A-Fa-f]\"; //case-insensitive\nconst PCT_ENCODED$ = subexp(subexp(\"%[EFef]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%[89A-Fa-f]\" + HEXDIG$$ + \"%\" + HEXDIG$$ + HEXDIG$$) + \"|\" + subexp(\"%\" + HEXDIG$$ + HEXDIG$$)); //expanded\n\n//RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; =\n//const ATEXT$$ = \"[A-Za-z0-9\\\\!\\\\#\\\\$\\\\%\\\\&\\\\'\\\\*\\\\+\\\\-\\\\/\\\\=\\\\?\\\\^\\\\_\\\\`\\\\{\\\\|\\\\}\\\\~]\";\n//const WSP$$ = \"[\\\\x20\\\\x09]\";\n//const OBS_QTEXT$$ = \"[\\\\x01-\\\\x08\\\\x0B\\\\x0C\\\\x0E-\\\\x1F\\\\x7F]\"; //(%d1-8 / %d11-12 / %d14-31 / %d127)\n//const QTEXT$$ = merge(\"[\\\\x21\\\\x23-\\\\x5B\\\\x5D-\\\\x7E]\", OBS_QTEXT$$); //%d33 / %d35-91 / %d93-126 / obs-qtext\n//const VCHAR$$ = \"[\\\\x21-\\\\x7E]\";\n//const WSP$$ = \"[\\\\x20\\\\x09]\";\n//const OBS_QP$ = subexp(\"\\\\\\\\\" + merge(\"[\\\\x00\\\\x0D\\\\x0A]\", OBS_QTEXT$$)); //%d0 / CR / LF / obs-qtext\n//const FWS$ = subexp(subexp(WSP$$ + \"*\" + \"\\\\x0D\\\\x0A\") + \"?\" + WSP$$ + \"+\");\n//const QUOTED_PAIR$ = subexp(subexp(\"\\\\\\\\\" + subexp(VCHAR$$ + \"|\" + WSP$$)) + \"|\" + OBS_QP$);\n//const QUOTED_STRING$ = subexp('\\\\\"' + subexp(FWS$ + \"?\" + QCONTENT$) + \"*\" + FWS$ + \"?\" + '\\\\\"');\nconst ATEXT$$ = \"[A-Za-z0-9\\\\!\\\\$\\\\%\\\\'\\\\*\\\\+\\\\-\\\\^\\\\_\\\\`\\\\{\\\\|\\\\}\\\\~]\";\nconst QTEXT$$ = \"[\\\\!\\\\$\\\\%\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\-\\\\.0-9\\\\<\\\\>A-Z\\\\x5E-\\\\x7E]\";\nconst VCHAR$$ = merge(QTEXT$$, \"[\\\\\\\"\\\\\\\\]\");\nconst DOT_ATOM_TEXT$ = subexp(ATEXT$$ + \"+\" + subexp(\"\\\\.\" + ATEXT$$ + \"+\") + \"*\");\nconst QUOTED_PAIR$ = subexp(\"\\\\\\\\\" + VCHAR$$);\nconst QCONTENT$ = subexp(QTEXT$$ + \"|\" + QUOTED_PAIR$);\nconst QUOTED_STRING$ = subexp('\\\\\"' + QCONTENT$ + \"*\" + '\\\\\"');\n\n//RFC 6068\nconst DTEXT_NO_OBS$$ = \"[\\\\x21-\\\\x5A\\\\x5E-\\\\x7E]\"; //%d33-90 / %d94-126\nconst SOME_DELIMS$$ = \"[\\\\!\\\\$\\\\'\\\\(\\\\)\\\\*\\\\+\\\\,\\\\;\\\\:\\\\@]\";\nconst QCHAR$ = subexp(UNRESERVED$$ + \"|\" + PCT_ENCODED$ + \"|\" + SOME_DELIMS$$);\nconst DOMAIN$ = subexp(DOT_ATOM_TEXT$ + \"|\" + \"\\\\[\" + DTEXT_NO_OBS$$ + \"*\" + \"\\\\]\");\nconst LOCAL_PART$ = subexp(DOT_ATOM_TEXT$ + \"|\" + QUOTED_STRING$);\nconst ADDR_SPEC$ = subexp(LOCAL_PART$ + \"\\\\@\" + DOMAIN$);\nconst TO$ = subexp(ADDR_SPEC$ + subexp(\"\\\\,\" + ADDR_SPEC$) + \"*\");\nconst HFNAME$ = subexp(QCHAR$ + \"*\");\nconst HFVALUE$ = HFNAME$;\nconst HFIELD$ = subexp(HFNAME$ + \"\\\\=\" + HFVALUE$);\nconst HFIELDS2$ = subexp(HFIELD$ + subexp(\"\\\\&\" + HFIELD$) + \"*\");\nconst HFIELDS$ = subexp(\"\\\\?\" + HFIELDS2$);\nconst MAILTO_URI = new RegExp(\"^mailto\\\\:\" + TO$ + \"?\" + HFIELDS$ + \"?$\");\n\nconst UNRESERVED = new RegExp(UNRESERVED$$, \"g\");\nconst PCT_ENCODED = new RegExp(PCT_ENCODED$, \"g\");\nconst NOT_LOCAL_PART = new RegExp(merge(\"[^]\", ATEXT$$, \"[\\\\.]\", '[\\\\\"]', VCHAR$$), \"g\");\nconst NOT_DOMAIN = new RegExp(merge(\"[^]\", ATEXT$$, \"[\\\\.]\", \"[\\\\[]\", DTEXT_NO_OBS$$, \"[\\\\]]\"), \"g\");\nconst NOT_HFNAME = new RegExp(merge(\"[^]\", UNRESERVED$$, SOME_DELIMS$$), \"g\");\nconst NOT_HFVALUE = NOT_HFNAME;\nconst TO = new RegExp(\"^\" + TO$ + \"$\");\nconst HFIELDS = new RegExp(\"^\" + HFIELDS2$ + \"$\");\n\nfunction decodeUnreserved(str:string):string {\n\tconst decStr = pctDecChars(str);\n\treturn (!decStr.match(UNRESERVED) ? str : decStr);\n}\n\nconst handler:URISchemeHandler = {\n\tscheme : \"mailto\",\n\n\tparse : function (components:URIComponents, options:URIOptions):MailtoComponents {\n\t\tconst mailtoComponents = components as MailtoComponents;\n\t\tconst to = mailtoComponents.to = (mailtoComponents.path ? mailtoComponents.path.split(\",\") : []);\n\t\tmailtoComponents.path = undefined;\n\n\t\tif (mailtoComponents.query) {\n\t\t\tlet unknownHeaders = false\n\t\t\tconst headers:MailtoHeaders = {};\n\t\t\tconst hfields = mailtoComponents.query.split(\"&\");\n\n\t\t\tfor (let x = 0, xl = hfields.length; x < xl; ++x) {\n\t\t\t\tconst hfield = hfields[x].split(\"=\");\n\n\t\t\t\tswitch (hfield[0]) {\n\t\t\t\t\tcase \"to\":\n\t\t\t\t\t\tconst toAddrs = hfield[1].split(\",\");\n\t\t\t\t\t\tfor (let x = 0, xl = toAddrs.length; x < xl; ++x) {\n\t\t\t\t\t\t\tto.push(toAddrs[x]);\n\t\t\t\t\t\t}\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"subject\":\n\t\t\t\t\t\tmailtoComponents.subject = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tcase \"body\":\n\t\t\t\t\t\tmailtoComponents.body = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t\tdefault:\n\t\t\t\t\t\tunknownHeaders = true;\n\t\t\t\t\t\theaders[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options);\n\t\t\t\t\t\tbreak;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tif (unknownHeaders) mailtoComponents.headers = headers;\n\t\t}\n\n\t\tmailtoComponents.query = undefined;\n\n\t\tfor (let x = 0, xl = to.length; x < xl; ++x) {\n\t\t\tconst addr = to[x].split(\"@\");\n\n\t\t\taddr[0] = unescapeComponent(addr[0]);\n\n\t\t\tif (!options.unicodeSupport) {\n\t\t\t\t//convert Unicode IDN -> ASCII IDN\n\t\t\t\ttry {\n\t\t\t\t\taddr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase());\n\t\t\t\t} catch (e) {\n\t\t\t\t\tmailtoComponents.error = mailtoComponents.error || \"Email address's domain name can not be converted to ASCII via punycode: \" + e;\n\t\t\t\t}\n\t\t\t} else {\n\t\t\t\taddr[1] = unescapeComponent(addr[1], options).toLowerCase();\n\t\t\t}\n\n\t\t\tto[x] = addr.join(\"@\");\n\t\t}\n\n\t\treturn mailtoComponents;\n\t},\n\n\tserialize : function (mailtoComponents:MailtoComponents, options:URIOptions):URIComponents {\n\t\tconst components = mailtoComponents as URIComponents;\n\t\tconst to = toArray(mailtoComponents.to);\n\t\tif (to) {\n\t\t\tfor (let x = 0, xl = to.length; x < xl; ++x) {\n\t\t\t\tconst toAddr = String(to[x]);\n\t\t\t\tconst atIdx = toAddr.lastIndexOf(\"@\");\n\t\t\t\tconst localPart = (toAddr.slice(0, atIdx)).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar);\n\t\t\t\tlet domain = toAddr.slice(atIdx + 1);\n\n\t\t\t\t//convert IDN via punycode\n\t\t\t\ttry {\n\t\t\t\t\tdomain = (!options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain));\n\t\t\t\t} catch (e) {\n\t\t\t\t\tcomponents.error = components.error || \"Email address's domain name can not be converted to \" + (!options.iri ? \"ASCII\" : \"Unicode\") + \" via punycode: \" + e;\n\t\t\t\t}\n\n\t\t\t\tto[x] = localPart + \"@\" + domain;\n\t\t\t}\n\n\t\t\tcomponents.path = to.join(\",\");\n\t\t}\n\n\t\tconst headers = mailtoComponents.headers = mailtoComponents.headers || {};\n\n\t\tif (mailtoComponents.subject) headers[\"subject\"] = mailtoComponents.subject;\n\t\tif (mailtoComponents.body) headers[\"body\"] = mailtoComponents.body;\n\n\t\tconst fields = [];\n\t\tfor (const name in headers) {\n\t\t\tif (headers[name] !== O[name]) {\n\t\t\t\tfields.push(\n\t\t\t\t\tname.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) +\n\t\t\t\t\t\"=\" +\n\t\t\t\t\theaders[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar)\n\t\t\t\t);\n\t\t\t}\n\t\t}\n\t\tif (fields.length) {\n\t\t\tcomponents.query = fields.join(\"&\");\n\t\t}\n\n\t\treturn components;\n\t}\n}\n\nexport default handler;","import { URIRegExps } from \"./uri\";\nimport { buildExps } from \"./regexps-uri\";\n\nexport default buildExps(true);\n","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"http\",\n\n\tdomainHost : true,\n\n\tparse : function (components:URIComponents, options:URIOptions):URIComponents {\n\t\t//report missing host\n\t\tif (!components.host) {\n\t\t\tcomponents.error = components.error || \"HTTP URIs must have a host.\";\n\t\t}\n\n\t\treturn components;\n\t},\n\n\tserialize : function (components:URIComponents, options:URIOptions):URIComponents {\n\t\tconst secure = String(components.scheme).toLowerCase() === \"https\";\n\n\t\t//normalize the default port\n\t\tif (components.port === (secure ? 443 : 80) || components.port === \"\") {\n\t\t\tcomponents.port = undefined;\n\t\t}\n\t\t\n\t\t//normalize the empty path\n\t\tif (!components.path) {\n\t\t\tcomponents.path = \"/\";\n\t\t}\n\n\t\t//NOTE: We do not parse query strings for HTTP URIs\n\t\t//as WWW Form Url Encoded query strings are part of the HTML4+ spec,\n\t\t//and not the HTTP spec.\n\n\t\treturn components;\n\t}\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport http from \"./http\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"https\",\n\tdomainHost : http.domainHost,\n\tparse : http.parse,\n\tserialize : http.serialize\n}\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport ws from \"./ws\";\n\nconst handler:URISchemeHandler = {\n\tscheme : \"wss\",\n\tdomainHost : ws.domainHost,\n\tparse : ws.parse,\n\tserialize : ws.serialize\n}\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { pctEncChar, SCHEMES } from \"../uri\";\n\nexport interface URNComponents extends URIComponents {\n\tnid?:string;\n\tnss?:string;\n}\n\nexport interface URNOptions extends URIOptions {\n\tnid?:string;\n}\n\nconst NID$ = \"(?:[0-9A-Za-z][0-9A-Za-z\\\\-]{1,31})\";\nconst PCT_ENCODED$ = \"(?:\\\\%[0-9A-Fa-f]{2})\";\nconst TRANS$$ = \"[0-9A-Za-z\\\\(\\\\)\\\\+\\\\,\\\\-\\\\.\\\\:\\\\=\\\\@\\\\;\\\\$\\\\_\\\\!\\\\*\\\\'\\\\/\\\\?\\\\#]\";\nconst NSS$ = \"(?:(?:\" + PCT_ENCODED$ + \"|\" + TRANS$$ + \")+)\";\nconst URN_SCHEME = new RegExp(\"^urn\\\\:(\" + NID$ + \")$\");\nconst URN_PATH = new RegExp(\"^(\" + NID$ + \")\\\\:(\" + NSS$ + \")$\");\nconst URN_PARSE = /^([^\\:]+)\\:(.*)/;\nconst URN_EXCLUDED = /[\\x00-\\x20\\\\\\\"\\&\\<\\>\\[\\]\\^\\`\\{\\|\\}\\~\\x7F-\\xFF]/g;\n\n//RFC 2141\nconst handler:URISchemeHandler = {\n\tscheme : \"urn\",\n\n\tparse : function (components:URIComponents, options:URNOptions):URNComponents {\n\t\tconst matches = components.path && components.path.match(URN_PARSE);\n\t\tlet urnComponents = components as URNComponents;\n\n\t\tif (matches) {\n\t\t\tconst scheme = options.scheme || urnComponents.scheme || \"urn\";\n\t\t\tconst nid = matches[1].toLowerCase();\n\t\t\tconst nss = matches[2];\n\t\t\tconst urnScheme = `${scheme}:${options.nid || nid}`;\n\t\t\tconst schemeHandler = SCHEMES[urnScheme];\n\n\t\t\turnComponents.nid = nid;\n\t\t\turnComponents.nss = nss;\n\t\t\turnComponents.path = undefined;\n\n\t\t\tif (schemeHandler) {\n\t\t\t\turnComponents = schemeHandler.parse(urnComponents, options) as URNComponents;\n\t\t\t}\n\t\t} else {\n\t\t\turnComponents.error = urnComponents.error || \"URN can not be parsed.\";\n\t\t}\n\n\t\treturn urnComponents;\n\t},\n\n\tserialize : function (urnComponents:URNComponents, options:URNOptions):URIComponents {\n\t\tconst scheme = options.scheme || urnComponents.scheme || \"urn\";\n\t\tconst nid = urnComponents.nid;\n\t\tconst urnScheme = `${scheme}:${options.nid || nid}`;\n\t\tconst schemeHandler = SCHEMES[urnScheme];\n\n\t\tif (schemeHandler) {\n\t\t\turnComponents = schemeHandler.serialize(urnComponents, options) as URNComponents;\n\t\t}\n\n\t\tconst uriComponents = urnComponents as URIComponents;\n\t\tconst nss = urnComponents.nss;\n\t\turiComponents.path = `${nid || options.nid}:${nss}`;\n\n\t\treturn uriComponents;\n\t},\n};\n\nexport default handler;","import { URISchemeHandler, URIComponents, URIOptions } from \"../uri\";\nimport { URNComponents } from \"./urn\";\nimport { SCHEMES } from \"../uri\";\n\nexport interface UUIDComponents extends URNComponents {\n\tuuid?: string;\n}\n\nconst UUID = /^[0-9A-Fa-f]{8}(?:\\-[0-9A-Fa-f]{4}){3}\\-[0-9A-Fa-f]{12}$/;\nconst UUID_PARSE = /^[0-9A-Fa-f\\-]{36}/;\n\n//RFC 4122\nconst handler:URISchemeHandler = {\n\tscheme : \"urn:uuid\",\n\n\tparse : function (urnComponents:URNComponents, options:URIOptions):UUIDComponents {\n\t\tconst uuidComponents = urnComponents as UUIDComponents;\n\t\tuuidComponents.uuid = uuidComponents.nss;\n\t\tuuidComponents.nss = undefined;\n\n\t\tif (!options.tolerant && (!uuidComponents.uuid || !uuidComponents.uuid.match(UUID))) {\n\t\t\tuuidComponents.error = uuidComponents.error || \"UUID is not valid.\";\n\t\t}\n\n\t\treturn uuidComponents;\n\t},\n\n\tserialize : function (uuidComponents:UUIDComponents, options:URIOptions):URNComponents {\n\t\tconst urnComponents = uuidComponents as URNComponents;\n\t\t//normalize UUID\n\t\turnComponents.nss = (uuidComponents.uuid || \"\").toLowerCase();\n\t\treturn urnComponents;\n\t},\n};\n\nexport default handler;","import { SCHEMES } from \"./uri\";\n\nimport http from \"./schemes/http\";\nSCHEMES[http.scheme] = http;\n\nimport https from \"./schemes/https\";\nSCHEMES[https.scheme] = https;\n\nimport ws from \"./schemes/ws\";\nSCHEMES[ws.scheme] = ws;\n\nimport wss from \"./schemes/wss\";\nSCHEMES[wss.scheme] = wss;\n\nimport mailto from \"./schemes/mailto\";\nSCHEMES[mailto.scheme] = mailto;\n\nimport urn from \"./schemes/urn\";\nSCHEMES[urn.scheme] = urn;\n\nimport uuid from \"./schemes/urn-uuid\";\nSCHEMES[uuid.scheme] = uuid;\n\nexport * from \"./uri\";\n"]} \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/index.d.ts b/module/node_modules/uri-js/dist/esnext/index.d.ts new file mode 100644 index 000000000..f6be76034 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/index.d.ts @@ -0,0 +1 @@ +export * from "./uri"; diff --git a/module/node_modules/uri-js/dist/esnext/index.js b/module/node_modules/uri-js/dist/esnext/index.js new file mode 100644 index 000000000..e3531b5b6 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/index.js @@ -0,0 +1,17 @@ +import { SCHEMES } from "./uri"; +import http from "./schemes/http"; +SCHEMES[http.scheme] = http; +import https from "./schemes/https"; +SCHEMES[https.scheme] = https; +import ws from "./schemes/ws"; +SCHEMES[ws.scheme] = ws; +import wss from "./schemes/wss"; +SCHEMES[wss.scheme] = wss; +import mailto from "./schemes/mailto"; +SCHEMES[mailto.scheme] = mailto; +import urn from "./schemes/urn"; +SCHEMES[urn.scheme] = urn; +import uuid from "./schemes/urn-uuid"; +SCHEMES[uuid.scheme] = uuid; +export * from "./uri"; +//# sourceMappingURL=index.js.map \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/index.js.map b/module/node_modules/uri-js/dist/esnext/index.js.map new file mode 100644 index 000000000..0971f6ebc --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/index.js.map @@ -0,0 +1 @@ +{"version":3,"file":"index.js","sourceRoot":"","sources":["../../src/index.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,OAAO,EAAE,MAAM,OAAO,CAAC;AAEhC,OAAO,IAAI,MAAM,gBAAgB,CAAC;AAClC,OAAO,CAAC,IAAI,CAAC,MAAM,CAAC,GAAG,IAAI,CAAC;AAE5B,OAAO,KAAK,MAAM,iBAAiB,CAAC;AACpC,OAAO,CAAC,KAAK,CAAC,MAAM,CAAC,GAAG,KAAK,CAAC;AAE9B,OAAO,EAAE,MAAM,cAAc,CAAC;AAC9B,OAAO,CAAC,EAAE,CAAC,MAAM,CAAC,GAAG,EAAE,CAAC;AAExB,OAAO,GAAG,MAAM,eAAe,CAAC;AAChC,OAAO,CAAC,GAAG,CAAC,MAAM,CAAC,GAAG,GAAG,CAAC;AAE1B,OAAO,MAAM,MAAM,kBAAkB,CAAC;AACtC,OAAO,CAAC,MAAM,CAAC,MAAM,CAAC,GAAG,MAAM,CAAC;AAEhC,OAAO,GAAG,MAAM,eAAe,CAAC;AAChC,OAAO,CAAC,GAAG,CAAC,MAAM,CAAC,GAAG,GAAG,CAAC;AAE1B,OAAO,IAAI,MAAM,oBAAoB,CAAC;AACtC,OAAO,CAAC,IAAI,CAAC,MAAM,CAAC,GAAG,IAAI,CAAC;AAE5B,cAAc,OAAO,CAAC"} \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/regexps-iri.d.ts b/module/node_modules/uri-js/dist/esnext/regexps-iri.d.ts new file mode 100644 index 000000000..c91cdacbc --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/regexps-iri.d.ts @@ -0,0 +1,3 @@ +import { URIRegExps } from "./uri"; +declare const _default: URIRegExps; +export default _default; diff --git a/module/node_modules/uri-js/dist/esnext/regexps-iri.js b/module/node_modules/uri-js/dist/esnext/regexps-iri.js new file mode 100644 index 000000000..34e7de989 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/regexps-iri.js @@ -0,0 +1,3 @@ +import { buildExps } from "./regexps-uri"; +export default buildExps(true); +//# sourceMappingURL=regexps-iri.js.map \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/regexps-iri.js.map b/module/node_modules/uri-js/dist/esnext/regexps-iri.js.map new file mode 100644 index 000000000..2269c580c --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/regexps-iri.js.map @@ -0,0 +1 @@ +{"version":3,"file":"regexps-iri.js","sourceRoot":"","sources":["../../src/regexps-iri.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,SAAS,EAAE,MAAM,eAAe,CAAC;AAE1C,eAAe,SAAS,CAAC,IAAI,CAAC,CAAC"} \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/regexps-uri.d.ts b/module/node_modules/uri-js/dist/esnext/regexps-uri.d.ts new file mode 100644 index 000000000..6096bda5c --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/regexps-uri.d.ts @@ -0,0 +1,4 @@ +import { URIRegExps } from "./uri"; +export declare function buildExps(isIRI: boolean): URIRegExps; +declare const _default: URIRegExps; +export default _default; diff --git a/module/node_modules/uri-js/dist/esnext/regexps-uri.js b/module/node_modules/uri-js/dist/esnext/regexps-uri.js new file mode 100644 index 000000000..1cc659f13 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/regexps-uri.js @@ -0,0 +1,42 @@ +import { merge, subexp } from "./util"; +export function buildExps(isIRI) { + const ALPHA$$ = "[A-Za-z]", CR$ = "[\\x0D]", DIGIT$$ = "[0-9]", DQUOTE$$ = "[\\x22]", HEXDIG$$ = merge(DIGIT$$, "[A-Fa-f]"), //case-insensitive + LF$$ = "[\\x0A]", SP$$ = "[\\x20]", PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)), //expanded + GEN_DELIMS$$ = "[\\:\\/\\?\\#\\[\\]\\@]", SUB_DELIMS$$ = "[\\!\\$\\&\\'\\(\\)\\*\\+\\,\\;\\=]", RESERVED$$ = merge(GEN_DELIMS$$, SUB_DELIMS$$), UCSCHAR$$ = isIRI ? "[\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]" : "[]", //subset, excludes bidi control characters + IPRIVATE$$ = isIRI ? "[\\uE000-\\uF8FF]" : "[]", //subset + UNRESERVED$$ = merge(ALPHA$$, DIGIT$$, "[\\-\\.\\_\\~]", UCSCHAR$$), SCHEME$ = subexp(ALPHA$$ + merge(ALPHA$$, DIGIT$$, "[\\+\\-\\.]") + "*"), USERINFO$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]")) + "*"), DEC_OCTET$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("[1-9]" + DIGIT$$) + "|" + DIGIT$$), DEC_OCTET_RELAXED$ = subexp(subexp("25[0-5]") + "|" + subexp("2[0-4]" + DIGIT$$) + "|" + subexp("1" + DIGIT$$ + DIGIT$$) + "|" + subexp("0?[1-9]" + DIGIT$$) + "|0?0?" + DIGIT$$), //relaxed parsing rules + IPV4ADDRESS$ = subexp(DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$ + "\\." + DEC_OCTET_RELAXED$), H16$ = subexp(HEXDIG$$ + "{1,4}"), LS32$ = subexp(subexp(H16$ + "\\:" + H16$) + "|" + IPV4ADDRESS$), IPV6ADDRESS1$ = subexp(subexp(H16$ + "\\:") + "{6}" + LS32$), // 6( h16 ":" ) ls32 + IPV6ADDRESS2$ = subexp("\\:\\:" + subexp(H16$ + "\\:") + "{5}" + LS32$), // "::" 5( h16 ":" ) ls32 + IPV6ADDRESS3$ = subexp(subexp(H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{4}" + LS32$), //[ h16 ] "::" 4( h16 ":" ) ls32 + IPV6ADDRESS4$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,1}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{3}" + LS32$), //[ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32 + IPV6ADDRESS5$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,2}" + H16$) + "?\\:\\:" + subexp(H16$ + "\\:") + "{2}" + LS32$), //[ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32 + IPV6ADDRESS6$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,3}" + H16$) + "?\\:\\:" + H16$ + "\\:" + LS32$), //[ *3( h16 ":" ) h16 ] "::" h16 ":" ls32 + IPV6ADDRESS7$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,4}" + H16$) + "?\\:\\:" + LS32$), //[ *4( h16 ":" ) h16 ] "::" ls32 + IPV6ADDRESS8$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,5}" + H16$) + "?\\:\\:" + H16$), //[ *5( h16 ":" ) h16 ] "::" h16 + IPV6ADDRESS9$ = subexp(subexp(subexp(H16$ + "\\:") + "{0,6}" + H16$) + "?\\:\\:"), //[ *6( h16 ":" ) h16 ] "::" + IPV6ADDRESS$ = subexp([IPV6ADDRESS1$, IPV6ADDRESS2$, IPV6ADDRESS3$, IPV6ADDRESS4$, IPV6ADDRESS5$, IPV6ADDRESS6$, IPV6ADDRESS7$, IPV6ADDRESS8$, IPV6ADDRESS9$].join("|")), ZONEID$ = subexp(subexp(UNRESERVED$$ + "|" + PCT_ENCODED$) + "+"), //RFC 6874 + IPV6ADDRZ$ = subexp(IPV6ADDRESS$ + "\\%25" + ZONEID$), //RFC 6874 + IPV6ADDRZ_RELAXED$ = subexp(IPV6ADDRESS$ + subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + ZONEID$), //RFC 6874, with relaxed parsing rules + IPVFUTURE$ = subexp("[vV]" + HEXDIG$$ + "+\\." + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:]") + "+"), IP_LITERAL$ = subexp("\\[" + subexp(IPV6ADDRZ_RELAXED$ + "|" + IPV6ADDRESS$ + "|" + IPVFUTURE$) + "\\]"), //RFC 6874 + REG_NAME$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$)) + "*"), HOST$ = subexp(IP_LITERAL$ + "|" + IPV4ADDRESS$ + "(?!" + REG_NAME$ + ")" + "|" + REG_NAME$), PORT$ = subexp(DIGIT$$ + "*"), AUTHORITY$ = subexp(subexp(USERINFO$ + "@") + "?" + HOST$ + subexp("\\:" + PORT$) + "?"), PCHAR$ = subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@]")), SEGMENT$ = subexp(PCHAR$ + "*"), SEGMENT_NZ$ = subexp(PCHAR$ + "+"), SEGMENT_NZ_NC$ = subexp(subexp(PCT_ENCODED$ + "|" + merge(UNRESERVED$$, SUB_DELIMS$$, "[\\@]")) + "+"), PATH_ABEMPTY$ = subexp(subexp("\\/" + SEGMENT$) + "*"), PATH_ABSOLUTE$ = subexp("\\/" + subexp(SEGMENT_NZ$ + PATH_ABEMPTY$) + "?"), //simplified + PATH_NOSCHEME$ = subexp(SEGMENT_NZ_NC$ + PATH_ABEMPTY$), //simplified + PATH_ROOTLESS$ = subexp(SEGMENT_NZ$ + PATH_ABEMPTY$), //simplified + PATH_EMPTY$ = "(?!" + PCHAR$ + ")", PATH$ = subexp(PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$), QUERY$ = subexp(subexp(PCHAR$ + "|" + merge("[\\/\\?]", IPRIVATE$$)) + "*"), FRAGMENT$ = subexp(subexp(PCHAR$ + "|[\\/\\?]") + "*"), HIER_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$), URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"), RELATIVE_PART$ = subexp(subexp("\\/\\/" + AUTHORITY$ + PATH_ABEMPTY$) + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$), RELATIVE$ = subexp(RELATIVE_PART$ + subexp("\\?" + QUERY$) + "?" + subexp("\\#" + FRAGMENT$) + "?"), URI_REFERENCE$ = subexp(URI$ + "|" + RELATIVE$), ABSOLUTE_URI$ = subexp(SCHEME$ + "\\:" + HIER_PART$ + subexp("\\?" + QUERY$) + "?"), GENERIC_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$", RELATIVE_REF$ = "^(){0}" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_NOSCHEME$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?" + subexp("\\#(" + FRAGMENT$ + ")") + "?$", ABSOLUTE_REF$ = "^(" + SCHEME$ + ")\\:" + subexp(subexp("\\/\\/(" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?)") + "?(" + PATH_ABEMPTY$ + "|" + PATH_ABSOLUTE$ + "|" + PATH_ROOTLESS$ + "|" + PATH_EMPTY$ + ")") + subexp("\\?(" + QUERY$ + ")") + "?$", SAMEDOC_REF$ = "^" + subexp("\\#(" + FRAGMENT$ + ")") + "?$", AUTHORITY_REF$ = "^" + subexp("(" + USERINFO$ + ")@") + "?(" + HOST$ + ")" + subexp("\\:(" + PORT$ + ")") + "?$"; + return { + NOT_SCHEME: new RegExp(merge("[^]", ALPHA$$, DIGIT$$, "[\\+\\-\\.]"), "g"), + NOT_USERINFO: new RegExp(merge("[^\\%\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"), + NOT_HOST: new RegExp(merge("[^\\%\\[\\]\\:]", UNRESERVED$$, SUB_DELIMS$$), "g"), + NOT_PATH: new RegExp(merge("[^\\%\\/\\:\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"), + NOT_PATH_NOSCHEME: new RegExp(merge("[^\\%\\/\\@]", UNRESERVED$$, SUB_DELIMS$$), "g"), + NOT_QUERY: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]", IPRIVATE$$), "g"), + NOT_FRAGMENT: new RegExp(merge("[^\\%]", UNRESERVED$$, SUB_DELIMS$$, "[\\:\\@\\/\\?]"), "g"), + ESCAPE: new RegExp(merge("[^]", UNRESERVED$$, SUB_DELIMS$$), "g"), + UNRESERVED: new RegExp(UNRESERVED$$, "g"), + OTHER_CHARS: new RegExp(merge("[^\\%]", UNRESERVED$$, RESERVED$$), "g"), + PCT_ENCODED: new RegExp(PCT_ENCODED$, "g"), + IPV4ADDRESS: new RegExp("^(" + IPV4ADDRESS$ + ")$"), + IPV6ADDRESS: new RegExp("^\\[?(" + IPV6ADDRESS$ + ")" + subexp(subexp("\\%25|\\%(?!" + HEXDIG$$ + "{2})") + "(" + ZONEID$ + ")") + "?\\]?$") //RFC 6874, with relaxed parsing rules + }; +} +export default buildExps(false); +//# sourceMappingURL=regexps-uri.js.map \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/regexps-uri.js.map b/module/node_modules/uri-js/dist/esnext/regexps-uri.js.map new file mode 100644 index 000000000..cb028b804 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/regexps-uri.js.map @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/http.d.ts b/module/node_modules/uri-js/dist/esnext/schemes/http.d.ts new file mode 100644 index 000000000..fe5b2f354 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/http.d.ts @@ -0,0 +1,3 @@ +import { URISchemeHandler } from "../uri"; +declare const handler: URISchemeHandler; +export default handler; diff --git a/module/node_modules/uri-js/dist/esnext/schemes/http.js b/module/node_modules/uri-js/dist/esnext/schemes/http.js new file mode 100644 index 000000000..6abf0fe6e --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/http.js @@ -0,0 +1,28 @@ +const handler = { + scheme: "http", + domainHost: true, + parse: function (components, options) { + //report missing host + if (!components.host) { + components.error = components.error || "HTTP URIs must have a host."; + } + return components; + }, + serialize: function (components, options) { + const secure = String(components.scheme).toLowerCase() === "https"; + //normalize the default port + if (components.port === (secure ? 443 : 80) || components.port === "") { + components.port = undefined; + } + //normalize the empty path + if (!components.path) { + components.path = "/"; + } + //NOTE: We do not parse query strings for HTTP URIs + //as WWW Form Url Encoded query strings are part of the HTML4+ spec, + //and not the HTTP spec. + return components; + } +}; +export default handler; +//# sourceMappingURL=http.js.map \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/http.js.map b/module/node_modules/uri-js/dist/esnext/schemes/http.js.map new file mode 100644 index 000000000..82118970c --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/http.js.map @@ -0,0 +1 @@ +{"version":3,"file":"http.js","sourceRoot":"","sources":["../../../src/schemes/http.ts"],"names":[],"mappings":"AAEA,MAAM,OAAO,GAAoB;IAChC,MAAM,EAAG,MAAM;IAEf,UAAU,EAAG,IAAI;IAEjB,KAAK,EAAG,UAAU,UAAwB,EAAE,OAAkB;QAC7D,qBAAqB;QACrB,IAAI,CAAC,UAAU,CAAC,IAAI,EAAE;YACrB,UAAU,CAAC,KAAK,GAAG,UAAU,CAAC,KAAK,IAAI,6BAA6B,CAAC;SACrE;QAED,OAAO,UAAU,CAAC;IACnB,CAAC;IAED,SAAS,EAAG,UAAU,UAAwB,EAAE,OAAkB;QACjE,MAAM,MAAM,GAAG,MAAM,CAAC,UAAU,CAAC,MAAM,CAAC,CAAC,WAAW,EAAE,KAAK,OAAO,CAAC;QAEnE,4BAA4B;QAC5B,IAAI,UAAU,CAAC,IAAI,KAAK,CAAC,MAAM,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE,CAAC,IAAI,UAAU,CAAC,IAAI,KAAK,EAAE,EAAE;YACtE,UAAU,CAAC,IAAI,GAAG,SAAS,CAAC;SAC5B;QAED,0BAA0B;QAC1B,IAAI,CAAC,UAAU,CAAC,IAAI,EAAE;YACrB,UAAU,CAAC,IAAI,GAAG,GAAG,CAAC;SACtB;QAED,mDAAmD;QACnD,oEAAoE;QACpE,wBAAwB;QAExB,OAAO,UAAU,CAAC;IACnB,CAAC;CACD,CAAC;AAEF,eAAe,OAAO,CAAC"} \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/https.d.ts b/module/node_modules/uri-js/dist/esnext/schemes/https.d.ts new file mode 100644 index 000000000..fe5b2f354 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/https.d.ts @@ -0,0 +1,3 @@ +import { URISchemeHandler } from "../uri"; +declare const handler: URISchemeHandler; +export default handler; diff --git a/module/node_modules/uri-js/dist/esnext/schemes/https.js b/module/node_modules/uri-js/dist/esnext/schemes/https.js new file mode 100644 index 000000000..ec4b6e76d --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/https.js @@ -0,0 +1,9 @@ +import http from "./http"; +const handler = { + scheme: "https", + domainHost: http.domainHost, + parse: http.parse, + serialize: http.serialize +}; +export default handler; +//# sourceMappingURL=https.js.map \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/https.js.map b/module/node_modules/uri-js/dist/esnext/schemes/https.js.map new file mode 100644 index 000000000..385b8efea --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/https.js.map @@ -0,0 +1 @@ +{"version":3,"file":"https.js","sourceRoot":"","sources":["../../../src/schemes/https.ts"],"names":[],"mappings":"AACA,OAAO,IAAI,MAAM,QAAQ,CAAC;AAE1B,MAAM,OAAO,GAAoB;IAChC,MAAM,EAAG,OAAO;IAChB,UAAU,EAAG,IAAI,CAAC,UAAU;IAC5B,KAAK,EAAG,IAAI,CAAC,KAAK;IAClB,SAAS,EAAG,IAAI,CAAC,SAAS;CAC1B,CAAA;AAED,eAAe,OAAO,CAAC"} \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/mailto.d.ts b/module/node_modules/uri-js/dist/esnext/schemes/mailto.d.ts new file mode 100644 index 000000000..e2aefc2af --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/mailto.d.ts @@ -0,0 +1,12 @@ +import { URISchemeHandler, URIComponents } from "../uri"; +export interface MailtoHeaders { + [hfname: string]: string; +} +export interface MailtoComponents extends URIComponents { + to: Array; + headers?: MailtoHeaders; + subject?: string; + body?: string; +} +declare const handler: URISchemeHandler; +export default handler; diff --git a/module/node_modules/uri-js/dist/esnext/schemes/mailto.js b/module/node_modules/uri-js/dist/esnext/schemes/mailto.js new file mode 100644 index 000000000..2553713cd --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/mailto.js @@ -0,0 +1,148 @@ +import { pctEncChar, pctDecChars, unescapeComponent } from "../uri"; +import punycode from "punycode"; +import { merge, subexp, toUpperCase, toArray } from "../util"; +const O = {}; +const isIRI = true; +//RFC 3986 +const UNRESERVED$$ = "[A-Za-z0-9\\-\\.\\_\\~" + (isIRI ? "\\xA0-\\u200D\\u2010-\\u2029\\u202F-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF" : "") + "]"; +const HEXDIG$$ = "[0-9A-Fa-f]"; //case-insensitive +const PCT_ENCODED$ = subexp(subexp("%[EFef]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%[89A-Fa-f]" + HEXDIG$$ + "%" + HEXDIG$$ + HEXDIG$$) + "|" + subexp("%" + HEXDIG$$ + HEXDIG$$)); //expanded +//RFC 5322, except these symbols as per RFC 6068: @ : / ? # [ ] & ; = +//const ATEXT$$ = "[A-Za-z0-9\\!\\#\\$\\%\\&\\'\\*\\+\\-\\/\\=\\?\\^\\_\\`\\{\\|\\}\\~]"; +//const WSP$$ = "[\\x20\\x09]"; +//const OBS_QTEXT$$ = "[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x7F]"; //(%d1-8 / %d11-12 / %d14-31 / %d127) +//const QTEXT$$ = merge("[\\x21\\x23-\\x5B\\x5D-\\x7E]", OBS_QTEXT$$); //%d33 / %d35-91 / %d93-126 / obs-qtext +//const VCHAR$$ = "[\\x21-\\x7E]"; +//const WSP$$ = "[\\x20\\x09]"; +//const OBS_QP$ = subexp("\\\\" + merge("[\\x00\\x0D\\x0A]", OBS_QTEXT$$)); //%d0 / CR / LF / obs-qtext +//const FWS$ = subexp(subexp(WSP$$ + "*" + "\\x0D\\x0A") + "?" + WSP$$ + "+"); +//const QUOTED_PAIR$ = subexp(subexp("\\\\" + subexp(VCHAR$$ + "|" + WSP$$)) + "|" + OBS_QP$); +//const QUOTED_STRING$ = subexp('\\"' + subexp(FWS$ + "?" + QCONTENT$) + "*" + FWS$ + "?" + '\\"'); +const ATEXT$$ = "[A-Za-z0-9\\!\\$\\%\\'\\*\\+\\-\\^\\_\\`\\{\\|\\}\\~]"; +const QTEXT$$ = "[\\!\\$\\%\\'\\(\\)\\*\\+\\,\\-\\.0-9\\<\\>A-Z\\x5E-\\x7E]"; +const VCHAR$$ = merge(QTEXT$$, "[\\\"\\\\]"); +const DOT_ATOM_TEXT$ = subexp(ATEXT$$ + "+" + subexp("\\." + ATEXT$$ + "+") + "*"); +const QUOTED_PAIR$ = subexp("\\\\" + VCHAR$$); +const QCONTENT$ = subexp(QTEXT$$ + "|" + QUOTED_PAIR$); +const QUOTED_STRING$ = subexp('\\"' + QCONTENT$ + "*" + '\\"'); +//RFC 6068 +const DTEXT_NO_OBS$$ = "[\\x21-\\x5A\\x5E-\\x7E]"; //%d33-90 / %d94-126 +const SOME_DELIMS$$ = "[\\!\\$\\'\\(\\)\\*\\+\\,\\;\\:\\@]"; +const QCHAR$ = subexp(UNRESERVED$$ + "|" + PCT_ENCODED$ + "|" + SOME_DELIMS$$); +const DOMAIN$ = subexp(DOT_ATOM_TEXT$ + "|" + "\\[" + DTEXT_NO_OBS$$ + "*" + "\\]"); +const LOCAL_PART$ = subexp(DOT_ATOM_TEXT$ + "|" + QUOTED_STRING$); +const ADDR_SPEC$ = subexp(LOCAL_PART$ + "\\@" + DOMAIN$); +const TO$ = subexp(ADDR_SPEC$ + subexp("\\," + ADDR_SPEC$) + "*"); +const HFNAME$ = subexp(QCHAR$ + "*"); +const HFVALUE$ = HFNAME$; +const HFIELD$ = subexp(HFNAME$ + "\\=" + HFVALUE$); +const HFIELDS2$ = subexp(HFIELD$ + subexp("\\&" + HFIELD$) + "*"); +const HFIELDS$ = subexp("\\?" + HFIELDS2$); +const MAILTO_URI = new RegExp("^mailto\\:" + TO$ + "?" + HFIELDS$ + "?$"); +const UNRESERVED = new RegExp(UNRESERVED$$, "g"); +const PCT_ENCODED = new RegExp(PCT_ENCODED$, "g"); +const NOT_LOCAL_PART = new RegExp(merge("[^]", ATEXT$$, "[\\.]", '[\\"]', VCHAR$$), "g"); +const NOT_DOMAIN = new RegExp(merge("[^]", ATEXT$$, "[\\.]", "[\\[]", DTEXT_NO_OBS$$, "[\\]]"), "g"); +const NOT_HFNAME = new RegExp(merge("[^]", UNRESERVED$$, SOME_DELIMS$$), "g"); +const NOT_HFVALUE = NOT_HFNAME; +const TO = new RegExp("^" + TO$ + "$"); +const HFIELDS = new RegExp("^" + HFIELDS2$ + "$"); +function decodeUnreserved(str) { + const decStr = pctDecChars(str); + return (!decStr.match(UNRESERVED) ? str : decStr); +} +const handler = { + scheme: "mailto", + parse: function (components, options) { + const mailtoComponents = components; + const to = mailtoComponents.to = (mailtoComponents.path ? mailtoComponents.path.split(",") : []); + mailtoComponents.path = undefined; + if (mailtoComponents.query) { + let unknownHeaders = false; + const headers = {}; + const hfields = mailtoComponents.query.split("&"); + for (let x = 0, xl = hfields.length; x < xl; ++x) { + const hfield = hfields[x].split("="); + switch (hfield[0]) { + case "to": + const toAddrs = hfield[1].split(","); + for (let x = 0, xl = toAddrs.length; x < xl; ++x) { + to.push(toAddrs[x]); + } + break; + case "subject": + mailtoComponents.subject = unescapeComponent(hfield[1], options); + break; + case "body": + mailtoComponents.body = unescapeComponent(hfield[1], options); + break; + default: + unknownHeaders = true; + headers[unescapeComponent(hfield[0], options)] = unescapeComponent(hfield[1], options); + break; + } + } + if (unknownHeaders) + mailtoComponents.headers = headers; + } + mailtoComponents.query = undefined; + for (let x = 0, xl = to.length; x < xl; ++x) { + const addr = to[x].split("@"); + addr[0] = unescapeComponent(addr[0]); + if (!options.unicodeSupport) { + //convert Unicode IDN -> ASCII IDN + try { + addr[1] = punycode.toASCII(unescapeComponent(addr[1], options).toLowerCase()); + } + catch (e) { + mailtoComponents.error = mailtoComponents.error || "Email address's domain name can not be converted to ASCII via punycode: " + e; + } + } + else { + addr[1] = unescapeComponent(addr[1], options).toLowerCase(); + } + to[x] = addr.join("@"); + } + return mailtoComponents; + }, + serialize: function (mailtoComponents, options) { + const components = mailtoComponents; + const to = toArray(mailtoComponents.to); + if (to) { + for (let x = 0, xl = to.length; x < xl; ++x) { + const toAddr = String(to[x]); + const atIdx = toAddr.lastIndexOf("@"); + const localPart = (toAddr.slice(0, atIdx)).replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_LOCAL_PART, pctEncChar); + let domain = toAddr.slice(atIdx + 1); + //convert IDN via punycode + try { + domain = (!options.iri ? punycode.toASCII(unescapeComponent(domain, options).toLowerCase()) : punycode.toUnicode(domain)); + } + catch (e) { + components.error = components.error || "Email address's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e; + } + to[x] = localPart + "@" + domain; + } + components.path = to.join(","); + } + const headers = mailtoComponents.headers = mailtoComponents.headers || {}; + if (mailtoComponents.subject) + headers["subject"] = mailtoComponents.subject; + if (mailtoComponents.body) + headers["body"] = mailtoComponents.body; + const fields = []; + for (const name in headers) { + if (headers[name] !== O[name]) { + fields.push(name.replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFNAME, pctEncChar) + + "=" + + headers[name].replace(PCT_ENCODED, decodeUnreserved).replace(PCT_ENCODED, toUpperCase).replace(NOT_HFVALUE, pctEncChar)); + } + } + if (fields.length) { + components.query = fields.join("&"); + } + return components; + } +}; +export default handler; +//# sourceMappingURL=mailto.js.map \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/mailto.js.map 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\ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/urn-uuid.d.ts b/module/node_modules/uri-js/dist/esnext/schemes/urn-uuid.d.ts new file mode 100644 index 000000000..e75f2e793 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/urn-uuid.d.ts @@ -0,0 +1,7 @@ +import { URISchemeHandler, URIOptions } from "../uri"; +import { URNComponents } from "./urn"; +export interface UUIDComponents extends URNComponents { + uuid?: string; +} +declare const handler: URISchemeHandler; +export default handler; diff --git a/module/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js b/module/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js new file mode 100644 index 000000000..d1fce4955 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js @@ -0,0 +1,23 @@ +const UUID = /^[0-9A-Fa-f]{8}(?:\-[0-9A-Fa-f]{4}){3}\-[0-9A-Fa-f]{12}$/; +const UUID_PARSE = /^[0-9A-Fa-f\-]{36}/; +//RFC 4122 +const handler = { + scheme: "urn:uuid", + parse: function (urnComponents, options) { + const uuidComponents = urnComponents; + uuidComponents.uuid = uuidComponents.nss; + uuidComponents.nss = undefined; + if (!options.tolerant && (!uuidComponents.uuid || !uuidComponents.uuid.match(UUID))) { + uuidComponents.error = uuidComponents.error || "UUID is not valid."; + } + return uuidComponents; + }, + serialize: function (uuidComponents, options) { + const urnComponents = uuidComponents; + //normalize UUID + urnComponents.nss = (uuidComponents.uuid || "").toLowerCase(); + return urnComponents; + }, +}; +export default handler; +//# sourceMappingURL=urn-uuid.js.map \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js.map b/module/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js.map new file mode 100644 index 000000000..3b7a8b3ae --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/urn-uuid.js.map @@ -0,0 +1 @@ +{"version":3,"file":"urn-uuid.js","sourceRoot":"","sources":["../../../src/schemes/urn-uuid.ts"],"names":[],"mappings":"AAQA,MAAM,IAAI,GAAG,0DAA0D,CAAC;AACxE,MAAM,UAAU,GAAG,oBAAoB,CAAC;AAExC,UAAU;AACV,MAAM,OAAO,GAA+D;IAC3E,MAAM,EAAG,UAAU;IAEnB,KAAK,EAAG,UAAU,aAA2B,EAAE,OAAkB;QAChE,MAAM,cAAc,GAAG,aAA+B,CAAC;QACvD,cAAc,CAAC,IAAI,GAAG,cAAc,CAAC,GAAG,CAAC;QACzC,cAAc,CAAC,GAAG,GAAG,SAAS,CAAC;QAE/B,IAAI,CAAC,OAAO,CAAC,QAAQ,IAAI,CAAC,CAAC,cAAc,CAAC,IAAI,IAAI,CAAC,cAAc,CAAC,IAAI,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,EAAE;YACpF,cAAc,CAAC,KAAK,GAAG,cAAc,CAAC,KAAK,IAAI,oBAAoB,CAAC;SACpE;QAED,OAAO,cAAc,CAAC;IACvB,CAAC;IAED,SAAS,EAAG,UAAU,cAA6B,EAAE,OAAkB;QACtE,MAAM,aAAa,GAAG,cAA+B,CAAC;QACtD,gBAAgB;QAChB,aAAa,CAAC,GAAG,GAAG,CAAC,cAAc,CAAC,IAAI,IAAI,EAAE,CAAC,CAAC,WAAW,EAAE,CAAC;QAC9D,OAAO,aAAa,CAAC;IACtB,CAAC;CACD,CAAC;AAEF,eAAe,OAAO,CAAC"} \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/urn.d.ts b/module/node_modules/uri-js/dist/esnext/schemes/urn.d.ts new file mode 100644 index 000000000..7e0c2fba6 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/urn.d.ts @@ -0,0 +1,10 @@ +import { URISchemeHandler, URIComponents, URIOptions } from "../uri"; +export interface URNComponents extends URIComponents { + nid?: string; + nss?: string; +} +export interface URNOptions extends URIOptions { + nid?: string; +} +declare const handler: URISchemeHandler; +export default handler; diff --git a/module/node_modules/uri-js/dist/esnext/schemes/urn.js b/module/node_modules/uri-js/dist/esnext/schemes/urn.js new file mode 100644 index 000000000..5d3f10aa0 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/urn.js @@ -0,0 +1,49 @@ +import { SCHEMES } from "../uri"; +const NID$ = "(?:[0-9A-Za-z][0-9A-Za-z\\-]{1,31})"; +const PCT_ENCODED$ = "(?:\\%[0-9A-Fa-f]{2})"; +const TRANS$$ = "[0-9A-Za-z\\(\\)\\+\\,\\-\\.\\:\\=\\@\\;\\$\\_\\!\\*\\'\\/\\?\\#]"; +const NSS$ = "(?:(?:" + PCT_ENCODED$ + "|" + TRANS$$ + ")+)"; +const URN_SCHEME = new RegExp("^urn\\:(" + NID$ + ")$"); +const URN_PATH = new RegExp("^(" + NID$ + ")\\:(" + NSS$ + ")$"); +const URN_PARSE = /^([^\:]+)\:(.*)/; +const URN_EXCLUDED = /[\x00-\x20\\\"\&\<\>\[\]\^\`\{\|\}\~\x7F-\xFF]/g; +//RFC 2141 +const handler = { + scheme: "urn", + parse: function (components, options) { + const matches = components.path && components.path.match(URN_PARSE); + let urnComponents = components; + if (matches) { + const scheme = options.scheme || urnComponents.scheme || "urn"; + const nid = matches[1].toLowerCase(); + const nss = matches[2]; + const urnScheme = `${scheme}:${options.nid || nid}`; + const schemeHandler = SCHEMES[urnScheme]; + urnComponents.nid = nid; + urnComponents.nss = nss; + urnComponents.path = undefined; + if (schemeHandler) { + urnComponents = schemeHandler.parse(urnComponents, options); + } + } + else { + urnComponents.error = urnComponents.error || "URN can not be parsed."; + } + return urnComponents; + }, + serialize: function (urnComponents, options) { + const scheme = options.scheme || urnComponents.scheme || "urn"; + const nid = urnComponents.nid; + const urnScheme = `${scheme}:${options.nid || nid}`; + const schemeHandler = SCHEMES[urnScheme]; + if (schemeHandler) { + urnComponents = schemeHandler.serialize(urnComponents, options); + } + const uriComponents = urnComponents; + const nss = urnComponents.nss; + uriComponents.path = `${nid || options.nid}:${nss}`; + return uriComponents; + }, +}; +export default handler; +//# sourceMappingURL=urn.js.map \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/urn.js.map b/module/node_modules/uri-js/dist/esnext/schemes/urn.js.map new file mode 100644 index 000000000..ea43b0beb --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/urn.js.map @@ -0,0 +1 @@ +{"version":3,"file":"urn.js","sourceRoot":"","sources":["../../../src/schemes/urn.ts"],"names":[],"mappings":"AACA,OAAO,EAAc,OAAO,EAAE,MAAM,QAAQ,CAAC;AAW7C,MAAM,IAAI,GAAG,qCAAqC,CAAC;AACnD,MAAM,YAAY,GAAG,uBAAuB,CAAC;AAC7C,MAAM,OAAO,GAAG,mEAAmE,CAAC;AACpF,MAAM,IAAI,GAAG,QAAQ,GAAG,YAAY,GAAG,GAAG,GAAG,OAAO,GAAG,KAAK,CAAC;AAC7D,MAAM,UAAU,GAAG,IAAI,MAAM,CAAC,UAAU,GAAG,IAAI,GAAG,IAAI,CAAC,CAAC;AACxD,MAAM,QAAQ,GAAG,IAAI,MAAM,CAAC,IAAI,GAAG,IAAI,GAAG,OAAO,GAAG,IAAI,GAAG,IAAI,CAAC,CAAC;AACjE,MAAM,SAAS,GAAG,iBAAiB,CAAC;AACpC,MAAM,YAAY,GAAG,iDAAiD,CAAC;AAEvE,UAAU;AACV,MAAM,OAAO,GAA8C;IAC1D,MAAM,EAAG,KAAK;IAEd,KAAK,EAAG,UAAU,UAAwB,EAAE,OAAkB;QAC7D,MAAM,OAAO,GAAG,UAAU,CAAC,IAAI,IAAI,UAAU,CAAC,IAAI,CAAC,KAAK,CAAC,SAAS,CAAC,CAAC;QACpE,IAAI,aAAa,GAAG,UAA2B,CAAC;QAEhD,IAAI,OAAO,EAAE;YACZ,MAAM,MAAM,GAAG,OAAO,CAAC,MAAM,IAAI,aAAa,CAAC,MAAM,IAAI,KAAK,CAAC;YAC/D,MAAM,GAAG,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC,WAAW,EAAE,CAAC;YACrC,MAAM,GAAG,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC;YACvB,MAAM,SAAS,GAAG,GAAG,MAAM,IAAI,OAAO,CAAC,GAAG,IAAI,GAAG,EAAE,CAAC;YACpD,MAAM,aAAa,GAAG,OAAO,CAAC,SAAS,CAAC,CAAC;YAEzC,aAAa,CAAC,GAAG,GAAG,GAAG,CAAC;YACxB,aAAa,CAAC,GAAG,GAAG,GAAG,CAAC;YACxB,aAAa,CAAC,IAAI,GAAG,SAAS,CAAC;YAE/B,IAAI,aAAa,EAAE;gBAClB,aAAa,GAAG,aAAa,CAAC,KAAK,CAAC,aAAa,EAAE,OAAO,CAAkB,CAAC;aAC7E;SACD;aAAM;YACN,aAAa,CAAC,KAAK,GAAG,aAAa,CAAC,KAAK,IAAI,wBAAwB,CAAC;SACtE;QAED,OAAO,aAAa,CAAC;IACtB,CAAC;IAED,SAAS,EAAG,UAAU,aAA2B,EAAE,OAAkB;QACpE,MAAM,MAAM,GAAG,OAAO,CAAC,MAAM,IAAI,aAAa,CAAC,MAAM,IAAI,KAAK,CAAC;QAC/D,MAAM,GAAG,GAAG,aAAa,CAAC,GAAG,CAAC;QAC9B,MAAM,SAAS,GAAG,GAAG,MAAM,IAAI,OAAO,CAAC,GAAG,IAAI,GAAG,EAAE,CAAC;QACpD,MAAM,aAAa,GAAG,OAAO,CAAC,SAAS,CAAC,CAAC;QAEzC,IAAI,aAAa,EAAE;YAClB,aAAa,GAAG,aAAa,CAAC,SAAS,CAAC,aAAa,EAAE,OAAO,CAAkB,CAAC;SACjF;QAED,MAAM,aAAa,GAAG,aAA8B,CAAC;QACrD,MAAM,GAAG,GAAG,aAAa,CAAC,GAAG,CAAC;QAC9B,aAAa,CAAC,IAAI,GAAG,GAAG,GAAG,IAAI,OAAO,CAAC,GAAG,IAAI,GAAG,EAAE,CAAC;QAEpD,OAAO,aAAa,CAAC;IACtB,CAAC;CACD,CAAC;AAEF,eAAe,OAAO,CAAC"} \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/ws.d.ts b/module/node_modules/uri-js/dist/esnext/schemes/ws.d.ts new file mode 100644 index 000000000..47f4835b2 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/ws.d.ts @@ -0,0 +1,7 @@ +import { URISchemeHandler, URIComponents } from "../uri"; +export interface WSComponents extends URIComponents { + resourceName?: string; + secure?: boolean; +} +declare const handler: URISchemeHandler; +export default handler; diff --git a/module/node_modules/uri-js/dist/esnext/schemes/ws.js b/module/node_modules/uri-js/dist/esnext/schemes/ws.js new file mode 100644 index 000000000..9277f035a --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/ws.js @@ -0,0 +1,41 @@ +function isSecure(wsComponents) { + return typeof wsComponents.secure === 'boolean' ? wsComponents.secure : String(wsComponents.scheme).toLowerCase() === "wss"; +} +//RFC 6455 +const handler = { + scheme: "ws", + domainHost: true, + parse: function (components, options) { + const wsComponents = components; + //indicate if the secure flag is set + wsComponents.secure = isSecure(wsComponents); + //construct resouce name + wsComponents.resourceName = (wsComponents.path || '/') + (wsComponents.query ? '?' + wsComponents.query : ''); + wsComponents.path = undefined; + wsComponents.query = undefined; + return wsComponents; + }, + serialize: function (wsComponents, options) { + //normalize the default port + if (wsComponents.port === (isSecure(wsComponents) ? 443 : 80) || wsComponents.port === "") { + wsComponents.port = undefined; + } + //ensure scheme matches secure flag + if (typeof wsComponents.secure === 'boolean') { + wsComponents.scheme = (wsComponents.secure ? 'wss' : 'ws'); + wsComponents.secure = undefined; + } + //reconstruct path from resource name + if (wsComponents.resourceName) { + const [path, query] = wsComponents.resourceName.split('?'); + wsComponents.path = (path && path !== '/' ? path : undefined); + wsComponents.query = query; + wsComponents.resourceName = undefined; + } + //forbid fragment component + wsComponents.fragment = undefined; + return wsComponents; + } +}; +export default handler; +//# sourceMappingURL=ws.js.map \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/ws.js.map b/module/node_modules/uri-js/dist/esnext/schemes/ws.js.map new file mode 100644 index 000000000..186818ccd --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/ws.js.map @@ -0,0 +1 @@ +{"version":3,"file":"ws.js","sourceRoot":"","sources":["../../../src/schemes/ws.ts"],"names":[],"mappings":"AAOA,kBAAkB,YAAyB;IAC1C,OAAO,OAAO,YAAY,CAAC,MAAM,KAAK,SAAS,CAAC,CAAC,CAAC,YAAY,CAAC,MAAM,CAAC,CAAC,CAAC,MAAM,CAAC,YAAY,CAAC,MAAM,CAAC,CAAC,WAAW,EAAE,KAAK,KAAK,CAAC;AAC7H,CAAC;AAED,UAAU;AACV,MAAM,OAAO,GAAoB;IAChC,MAAM,EAAG,IAAI;IAEb,UAAU,EAAG,IAAI;IAEjB,KAAK,EAAG,UAAU,UAAwB,EAAE,OAAkB;QAC7D,MAAM,YAAY,GAAG,UAA0B,CAAC;QAEhD,oCAAoC;QACpC,YAAY,CAAC,MAAM,GAAG,QAAQ,CAAC,YAAY,CAAC,CAAC;QAE7C,wBAAwB;QACxB,YAAY,CAAC,YAAY,GAAG,CAAC,YAAY,CAAC,IAAI,IAAI,GAAG,CAAC,GAAG,CAAC,YAAY,CAAC,KAAK,CAAC,CAAC,CAAC,GAAG,GAAG,YAAY,CAAC,KAAK,CAAC,CAAC,CAAC,EAAE,CAAC,CAAC;QAC9G,YAAY,CAAC,IAAI,GAAG,SAAS,CAAC;QAC9B,YAAY,CAAC,KAAK,GAAG,SAAS,CAAC;QAE/B,OAAO,YAAY,CAAC;IACrB,CAAC;IAED,SAAS,EAAG,UAAU,YAAyB,EAAE,OAAkB;QAClE,4BAA4B;QAC5B,IAAI,YAAY,CAAC,IAAI,KAAK,CAAC,QAAQ,CAAC,YAAY,CAAC,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,CAAC,EAAE,CAAC,IAAI,YAAY,CAAC,IAAI,KAAK,EAAE,EAAE;YAC1F,YAAY,CAAC,IAAI,GAAG,SAAS,CAAC;SAC9B;QAED,mCAAmC;QACnC,IAAI,OAAO,YAAY,CAAC,MAAM,KAAK,SAAS,EAAE;YAC7C,YAAY,CAAC,MAAM,GAAG,CAAC,YAAY,CAAC,MAAM,CAAC,CAAC,CAAC,KAAK,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC;YAC3D,YAAY,CAAC,MAAM,GAAG,SAAS,CAAC;SAChC;QAED,qCAAqC;QACrC,IAAI,YAAY,CAAC,YAAY,EAAE;YAC9B,MAAM,CAAC,IAAI,EAAE,KAAK,CAAC,GAAG,YAAY,CAAC,YAAY,CAAC,KAAK,CAAC,GAAG,CAAC,CAAC;YAC3D,YAAY,CAAC,IAAI,GAAG,CAAC,IAAI,IAAI,IAAI,KAAK,GAAG,CAAC,CAAC,CAAC,IAAI,CAAC,CAAC,CAAC,SAAS,CAAC,CAAC;YAC9D,YAAY,CAAC,KAAK,GAAG,KAAK,CAAC;YAC3B,YAAY,CAAC,YAAY,GAAG,SAAS,CAAC;SACtC;QAED,2BAA2B;QAC3B,YAAY,CAAC,QAAQ,GAAG,SAAS,CAAC;QAElC,OAAO,YAAY,CAAC;IACrB,CAAC;CACD,CAAC;AAEF,eAAe,OAAO,CAAC"} \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/wss.d.ts b/module/node_modules/uri-js/dist/esnext/schemes/wss.d.ts new file mode 100644 index 000000000..fe5b2f354 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/wss.d.ts @@ -0,0 +1,3 @@ +import { URISchemeHandler } from "../uri"; +declare const handler: URISchemeHandler; +export default handler; diff --git a/module/node_modules/uri-js/dist/esnext/schemes/wss.js b/module/node_modules/uri-js/dist/esnext/schemes/wss.js new file mode 100644 index 000000000..d1e22ccd6 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/wss.js @@ -0,0 +1,9 @@ +import ws from "./ws"; +const handler = { + scheme: "wss", + domainHost: ws.domainHost, + parse: ws.parse, + serialize: ws.serialize +}; +export default handler; +//# sourceMappingURL=wss.js.map \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/schemes/wss.js.map b/module/node_modules/uri-js/dist/esnext/schemes/wss.js.map new file mode 100644 index 000000000..e19006d94 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/schemes/wss.js.map @@ -0,0 +1 @@ +{"version":3,"file":"wss.js","sourceRoot":"","sources":["../../../src/schemes/wss.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,MAAM,MAAM,CAAC;AAEtB,MAAM,OAAO,GAAoB;IAChC,MAAM,EAAG,KAAK;IACd,UAAU,EAAG,EAAE,CAAC,UAAU;IAC1B,KAAK,EAAG,EAAE,CAAC,KAAK;IAChB,SAAS,EAAG,EAAE,CAAC,SAAS;CACxB,CAAA;AAED,eAAe,OAAO,CAAC"} \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/uri.d.ts b/module/node_modules/uri-js/dist/esnext/uri.d.ts new file mode 100644 index 000000000..da51e2352 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/uri.d.ts @@ -0,0 +1,59 @@ +export interface URIComponents { + scheme?: string; + userinfo?: string; + host?: string; + port?: number | string; + path?: string; + query?: string; + fragment?: string; + reference?: string; + error?: string; +} +export interface URIOptions { + scheme?: string; + reference?: string; + tolerant?: boolean; + absolutePath?: boolean; + iri?: boolean; + unicodeSupport?: boolean; + domainHost?: boolean; +} +export interface URISchemeHandler { + scheme: string; + parse(components: ParentComponents, options: Options): Components; + serialize(components: Components, options: Options): ParentComponents; + unicodeSupport?: boolean; + domainHost?: boolean; + absolutePath?: boolean; +} +export interface URIRegExps { + NOT_SCHEME: RegExp; + NOT_USERINFO: RegExp; + NOT_HOST: RegExp; + NOT_PATH: RegExp; + NOT_PATH_NOSCHEME: RegExp; + NOT_QUERY: RegExp; + NOT_FRAGMENT: RegExp; + ESCAPE: RegExp; + UNRESERVED: RegExp; + OTHER_CHARS: RegExp; + PCT_ENCODED: RegExp; + IPV4ADDRESS: RegExp; + IPV6ADDRESS: RegExp; +} +export declare const SCHEMES: { + [scheme: string]: URISchemeHandler; +}; +export declare function pctEncChar(chr: string): string; +export declare function pctDecChars(str: string): string; +export declare function parse(uriString: string, options?: URIOptions): URIComponents; +export declare function removeDotSegments(input: string): string; +export declare function serialize(components: URIComponents, options?: URIOptions): string; +export declare function resolveComponents(base: URIComponents, relative: URIComponents, options?: URIOptions, skipNormalization?: boolean): URIComponents; +export declare function resolve(baseURI: string, relativeURI: string, options?: URIOptions): string; +export declare function normalize(uri: string, options?: URIOptions): string; +export declare function normalize(uri: URIComponents, options?: URIOptions): URIComponents; +export declare function equal(uriA: string, uriB: string, options?: URIOptions): boolean; +export declare function equal(uriA: URIComponents, uriB: URIComponents, options?: URIOptions): boolean; +export declare function escapeComponent(str: string, options?: URIOptions): string; +export declare function unescapeComponent(str: string, options?: URIOptions): string; diff --git a/module/node_modules/uri-js/dist/esnext/uri.js b/module/node_modules/uri-js/dist/esnext/uri.js new file mode 100644 index 000000000..659ce2651 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/uri.js @@ -0,0 +1,480 @@ +/** + * URI.js + * + * @fileoverview An RFC 3986 compliant, scheme extendable URI parsing/validating/resolving library for JavaScript. + * @author Gary Court + * @see http://github.com/garycourt/uri-js + */ +/** + * Copyright 2011 Gary Court. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY GARY COURT ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GARY COURT OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of Gary Court. + */ +import URI_PROTOCOL from "./regexps-uri"; +import IRI_PROTOCOL from "./regexps-iri"; +import punycode from "punycode"; +import { toUpperCase, typeOf, assign } from "./util"; +export const SCHEMES = {}; +export function pctEncChar(chr) { + const c = chr.charCodeAt(0); + let e; + if (c < 16) + e = "%0" + c.toString(16).toUpperCase(); + else if (c < 128) + e = "%" + c.toString(16).toUpperCase(); + else if (c < 2048) + e = "%" + ((c >> 6) | 192).toString(16).toUpperCase() + "%" + ((c & 63) | 128).toString(16).toUpperCase(); + else + e = "%" + ((c >> 12) | 224).toString(16).toUpperCase() + "%" + (((c >> 6) & 63) | 128).toString(16).toUpperCase() + "%" + ((c & 63) | 128).toString(16).toUpperCase(); + return e; +} +export function pctDecChars(str) { + let newStr = ""; + let i = 0; + const il = str.length; + while (i < il) { + const c = parseInt(str.substr(i + 1, 2), 16); + if (c < 128) { + newStr += String.fromCharCode(c); + i += 3; + } + else if (c >= 194 && c < 224) { + if ((il - i) >= 6) { + const c2 = parseInt(str.substr(i + 4, 2), 16); + newStr += String.fromCharCode(((c & 31) << 6) | (c2 & 63)); + } + else { + newStr += str.substr(i, 6); + } + i += 6; + } + else if (c >= 224) { + if ((il - i) >= 9) { + const c2 = parseInt(str.substr(i + 4, 2), 16); + const c3 = parseInt(str.substr(i + 7, 2), 16); + newStr += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63)); + } + else { + newStr += str.substr(i, 9); + } + i += 9; + } + else { + newStr += str.substr(i, 3); + i += 3; + } + } + return newStr; +} +function _normalizeComponentEncoding(components, protocol) { + function decodeUnreserved(str) { + const decStr = pctDecChars(str); + return (!decStr.match(protocol.UNRESERVED) ? str : decStr); + } + if (components.scheme) + components.scheme = String(components.scheme).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_SCHEME, ""); + if (components.userinfo !== undefined) + components.userinfo = String(components.userinfo).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_USERINFO, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.host !== undefined) + components.host = String(components.host).replace(protocol.PCT_ENCODED, decodeUnreserved).toLowerCase().replace(protocol.NOT_HOST, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.path !== undefined) + components.path = String(components.path).replace(protocol.PCT_ENCODED, decodeUnreserved).replace((components.scheme ? protocol.NOT_PATH : protocol.NOT_PATH_NOSCHEME), pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.query !== undefined) + components.query = String(components.query).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_QUERY, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + if (components.fragment !== undefined) + components.fragment = String(components.fragment).replace(protocol.PCT_ENCODED, decodeUnreserved).replace(protocol.NOT_FRAGMENT, pctEncChar).replace(protocol.PCT_ENCODED, toUpperCase); + return components; +} +; +function _stripLeadingZeros(str) { + return str.replace(/^0*(.*)/, "$1") || "0"; +} +function _normalizeIPv4(host, protocol) { + const matches = host.match(protocol.IPV4ADDRESS) || []; + const [, address] = matches; + if (address) { + return address.split(".").map(_stripLeadingZeros).join("."); + } + else { + return host; + } +} +function _normalizeIPv6(host, protocol) { + const matches = host.match(protocol.IPV6ADDRESS) || []; + const [, address, zone] = matches; + if (address) { + const [last, first] = address.toLowerCase().split('::').reverse(); + const firstFields = first ? first.split(":").map(_stripLeadingZeros) : []; + const lastFields = last.split(":").map(_stripLeadingZeros); + const isLastFieldIPv4Address = protocol.IPV4ADDRESS.test(lastFields[lastFields.length - 1]); + const fieldCount = isLastFieldIPv4Address ? 7 : 8; + const lastFieldsStart = lastFields.length - fieldCount; + const fields = Array(fieldCount); + for (let x = 0; x < fieldCount; ++x) { + fields[x] = firstFields[x] || lastFields[lastFieldsStart + x] || ''; + } + if (isLastFieldIPv4Address) { + fields[fieldCount - 1] = _normalizeIPv4(fields[fieldCount - 1], protocol); + } + const allZeroFields = fields.reduce((acc, field, index) => { + if (!field || field === "0") { + const lastLongest = acc[acc.length - 1]; + if (lastLongest && lastLongest.index + lastLongest.length === index) { + lastLongest.length++; + } + else { + acc.push({ index, length: 1 }); + } + } + return acc; + }, []); + const longestZeroFields = allZeroFields.sort((a, b) => b.length - a.length)[0]; + let newHost; + if (longestZeroFields && longestZeroFields.length > 1) { + const newFirst = fields.slice(0, longestZeroFields.index); + const newLast = fields.slice(longestZeroFields.index + longestZeroFields.length); + newHost = newFirst.join(":") + "::" + newLast.join(":"); + } + else { + newHost = fields.join(":"); + } + if (zone) { + newHost += "%" + zone; + } + return newHost; + } + else { + return host; + } +} +const URI_PARSE = /^(?:([^:\/?#]+):)?(?:\/\/((?:([^\/?#@]*)@)?(\[[^\/?#\]]+\]|[^\/?#:]*)(?:\:(\d*))?))?([^?#]*)(?:\?([^#]*))?(?:#((?:.|\n|\r)*))?/i; +const NO_MATCH_IS_UNDEFINED = ("").match(/(){0}/)[1] === undefined; +export function parse(uriString, options = {}) { + const components = {}; + const protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL); + if (options.reference === "suffix") + uriString = (options.scheme ? options.scheme + ":" : "") + "//" + uriString; + const matches = uriString.match(URI_PARSE); + if (matches) { + if (NO_MATCH_IS_UNDEFINED) { + //store each component + components.scheme = matches[1]; + components.userinfo = matches[3]; + components.host = matches[4]; + components.port = parseInt(matches[5], 10); + components.path = matches[6] || ""; + components.query = matches[7]; + components.fragment = matches[8]; + //fix port number + if (isNaN(components.port)) { + components.port = matches[5]; + } + } + else { //IE FIX for improper RegExp matching + //store each component + components.scheme = matches[1] || undefined; + components.userinfo = (uriString.indexOf("@") !== -1 ? matches[3] : undefined); + components.host = (uriString.indexOf("//") !== -1 ? matches[4] : undefined); + components.port = parseInt(matches[5], 10); + components.path = matches[6] || ""; + components.query = (uriString.indexOf("?") !== -1 ? matches[7] : undefined); + components.fragment = (uriString.indexOf("#") !== -1 ? matches[8] : undefined); + //fix port number + if (isNaN(components.port)) { + components.port = (uriString.match(/\/\/(?:.|\n)*\:(?:\/|\?|\#|$)/) ? matches[4] : undefined); + } + } + if (components.host) { + //normalize IP hosts + components.host = _normalizeIPv6(_normalizeIPv4(components.host, protocol), protocol); + } + //determine reference type + if (components.scheme === undefined && components.userinfo === undefined && components.host === undefined && components.port === undefined && !components.path && components.query === undefined) { + components.reference = "same-document"; + } + else if (components.scheme === undefined) { + components.reference = "relative"; + } + else if (components.fragment === undefined) { + components.reference = "absolute"; + } + else { + components.reference = "uri"; + } + //check for reference errors + if (options.reference && options.reference !== "suffix" && options.reference !== components.reference) { + components.error = components.error || "URI is not a " + options.reference + " reference."; + } + //find scheme handler + const schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()]; + //check if scheme can't handle IRIs + if (!options.unicodeSupport && (!schemeHandler || !schemeHandler.unicodeSupport)) { + //if host component is a domain name + if (components.host && (options.domainHost || (schemeHandler && schemeHandler.domainHost))) { + //convert Unicode IDN -> ASCII IDN + try { + components.host = punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()); + } + catch (e) { + components.error = components.error || "Host's domain name can not be converted to ASCII via punycode: " + e; + } + } + //convert IRI -> URI + _normalizeComponentEncoding(components, URI_PROTOCOL); + } + else { + //normalize encodings + _normalizeComponentEncoding(components, protocol); + } + //perform scheme specific parsing + if (schemeHandler && schemeHandler.parse) { + schemeHandler.parse(components, options); + } + } + else { + components.error = components.error || "URI can not be parsed."; + } + return components; +} +; +function _recomposeAuthority(components, options) { + const protocol = (options.iri !== false ? IRI_PROTOCOL : URI_PROTOCOL); + const uriTokens = []; + if (components.userinfo !== undefined) { + uriTokens.push(components.userinfo); + uriTokens.push("@"); + } + if (components.host !== undefined) { + //normalize IP hosts, add brackets and escape zone separator for IPv6 + uriTokens.push(_normalizeIPv6(_normalizeIPv4(String(components.host), protocol), protocol).replace(protocol.IPV6ADDRESS, (_, $1, $2) => "[" + $1 + ($2 ? "%25" + $2 : "") + "]")); + } + if (typeof components.port === "number" || typeof components.port === "string") { + uriTokens.push(":"); + uriTokens.push(String(components.port)); + } + return uriTokens.length ? uriTokens.join("") : undefined; +} +; +const RDS1 = /^\.\.?\//; +const RDS2 = /^\/\.(\/|$)/; +const RDS3 = /^\/\.\.(\/|$)/; +const RDS4 = /^\.\.?$/; +const RDS5 = /^\/?(?:.|\n)*?(?=\/|$)/; +export function removeDotSegments(input) { + const output = []; + while (input.length) { + if (input.match(RDS1)) { + input = input.replace(RDS1, ""); + } + else if (input.match(RDS2)) { + input = input.replace(RDS2, "/"); + } + else if (input.match(RDS3)) { + input = input.replace(RDS3, "/"); + output.pop(); + } + else if (input === "." || input === "..") { + input = ""; + } + else { + const im = input.match(RDS5); + if (im) { + const s = im[0]; + input = input.slice(s.length); + output.push(s); + } + else { + throw new Error("Unexpected dot segment condition"); + } + } + } + return output.join(""); +} +; +export function serialize(components, options = {}) { + const protocol = (options.iri ? IRI_PROTOCOL : URI_PROTOCOL); + const uriTokens = []; + //find scheme handler + const schemeHandler = SCHEMES[(options.scheme || components.scheme || "").toLowerCase()]; + //perform scheme specific serialization + if (schemeHandler && schemeHandler.serialize) + schemeHandler.serialize(components, options); + if (components.host) { + //if host component is an IPv6 address + if (protocol.IPV6ADDRESS.test(components.host)) { + //TODO: normalize IPv6 address as per RFC 5952 + } + //if host component is a domain name + else if (options.domainHost || (schemeHandler && schemeHandler.domainHost)) { + //convert IDN via punycode + try { + components.host = (!options.iri ? punycode.toASCII(components.host.replace(protocol.PCT_ENCODED, pctDecChars).toLowerCase()) : punycode.toUnicode(components.host)); + } + catch (e) { + components.error = components.error || "Host's domain name can not be converted to " + (!options.iri ? "ASCII" : "Unicode") + " via punycode: " + e; + } + } + } + //normalize encoding + _normalizeComponentEncoding(components, protocol); + if (options.reference !== "suffix" && components.scheme) { + uriTokens.push(components.scheme); + uriTokens.push(":"); + } + const authority = _recomposeAuthority(components, options); + if (authority !== undefined) { + if (options.reference !== "suffix") { + uriTokens.push("//"); + } + uriTokens.push(authority); + if (components.path && components.path.charAt(0) !== "/") { + uriTokens.push("/"); + } + } + if (components.path !== undefined) { + let s = components.path; + if (!options.absolutePath && (!schemeHandler || !schemeHandler.absolutePath)) { + s = removeDotSegments(s); + } + if (authority === undefined) { + s = s.replace(/^\/\//, "/%2F"); //don't allow the path to start with "//" + } + uriTokens.push(s); + } + if (components.query !== undefined) { + uriTokens.push("?"); + uriTokens.push(components.query); + } + if (components.fragment !== undefined) { + uriTokens.push("#"); + uriTokens.push(components.fragment); + } + return uriTokens.join(""); //merge tokens into a string +} +; +export function resolveComponents(base, relative, options = {}, skipNormalization) { + const target = {}; + if (!skipNormalization) { + base = parse(serialize(base, options), options); //normalize base components + relative = parse(serialize(relative, options), options); //normalize relative components + } + options = options || {}; + if (!options.tolerant && relative.scheme) { + target.scheme = relative.scheme; + //target.authority = relative.authority; + target.userinfo = relative.userinfo; + target.host = relative.host; + target.port = relative.port; + target.path = removeDotSegments(relative.path || ""); + target.query = relative.query; + } + else { + if (relative.userinfo !== undefined || relative.host !== undefined || relative.port !== undefined) { + //target.authority = relative.authority; + target.userinfo = relative.userinfo; + target.host = relative.host; + target.port = relative.port; + target.path = removeDotSegments(relative.path || ""); + target.query = relative.query; + } + else { + if (!relative.path) { + target.path = base.path; + if (relative.query !== undefined) { + target.query = relative.query; + } + else { + target.query = base.query; + } + } + else { + if (relative.path.charAt(0) === "/") { + target.path = removeDotSegments(relative.path); + } + else { + if ((base.userinfo !== undefined || base.host !== undefined || base.port !== undefined) && !base.path) { + target.path = "/" + relative.path; + } + else if (!base.path) { + target.path = relative.path; + } + else { + target.path = base.path.slice(0, base.path.lastIndexOf("/") + 1) + relative.path; + } + target.path = removeDotSegments(target.path); + } + target.query = relative.query; + } + //target.authority = base.authority; + target.userinfo = base.userinfo; + target.host = base.host; + target.port = base.port; + } + target.scheme = base.scheme; + } + target.fragment = relative.fragment; + return target; +} +; +export function resolve(baseURI, relativeURI, options) { + const schemelessOptions = assign({ scheme: 'null' }, options); + return serialize(resolveComponents(parse(baseURI, schemelessOptions), parse(relativeURI, schemelessOptions), schemelessOptions, true), schemelessOptions); +} +; +export function normalize(uri, options) { + if (typeof uri === "string") { + uri = serialize(parse(uri, options), options); + } + else if (typeOf(uri) === "object") { + uri = parse(serialize(uri, options), options); + } + return uri; +} +; +export function equal(uriA, uriB, options) { + if (typeof uriA === "string") { + uriA = serialize(parse(uriA, options), options); + } + else if (typeOf(uriA) === "object") { + uriA = serialize(uriA, options); + } + if (typeof uriB === "string") { + uriB = serialize(parse(uriB, options), options); + } + else if (typeOf(uriB) === "object") { + uriB = serialize(uriB, options); + } + return uriA === uriB; +} +; +export function escapeComponent(str, options) { + return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.ESCAPE : IRI_PROTOCOL.ESCAPE), pctEncChar); +} +; +export function unescapeComponent(str, options) { + return str && str.toString().replace((!options || !options.iri ? URI_PROTOCOL.PCT_ENCODED : IRI_PROTOCOL.PCT_ENCODED), pctDecChars); +} +; +//# sourceMappingURL=uri.js.map \ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/uri.js.map b/module/node_modules/uri-js/dist/esnext/uri.js.map new file mode 100644 index 000000000..2e72ab18d --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/uri.js.map @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/module/node_modules/uri-js/dist/esnext/util.d.ts b/module/node_modules/uri-js/dist/esnext/util.d.ts new file mode 100644 index 000000000..7c1285754 --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/util.d.ts @@ -0,0 +1,6 @@ +export declare function merge(...sets: Array): string; +export declare function subexp(str: string): string; +export declare function typeOf(o: any): string; +export declare function toUpperCase(str: string): string; +export declare function toArray(obj: any): Array; +export declare function assign(target: object, source: any): any; diff --git a/module/node_modules/uri-js/dist/esnext/util.js b/module/node_modules/uri-js/dist/esnext/util.js new file mode 100644 index 000000000..072711efd --- /dev/null +++ b/module/node_modules/uri-js/dist/esnext/util.js @@ -0,0 +1,36 @@ +export function merge(...sets) { + if (sets.length > 1) { + sets[0] = sets[0].slice(0, -1); + const xl = sets.length - 1; + for (let x = 1; x < xl; ++x) { + sets[x] = sets[x].slice(1, -1); + } + sets[xl] = sets[xl].slice(1); + return sets.join(''); + } + else { + return sets[0]; + } +} +export function subexp(str) { + return "(?:" + str + ")"; +} +export function typeOf(o) { + return o === undefined ? "undefined" : (o === null ? "null" : Object.prototype.toString.call(o).split(" ").pop().split("]").shift().toLowerCase()); +} +export function toUpperCase(str) { + return str.toUpperCase(); +} +export function toArray(obj) { + return obj !== undefined && obj !== null ? (obj instanceof Array ? obj : (typeof obj.length !== "number" || obj.split || obj.setInterval || obj.call ? 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a/module/node_modules/which/CHANGELOG.md b/module/node_modules/which/CHANGELOG.md new file mode 100644 index 000000000..7fb1f2033 --- /dev/null +++ b/module/node_modules/which/CHANGELOG.md @@ -0,0 +1,166 @@ +# Changes + + +## 2.0.2 + +* Rename bin to `node-which` + +## 2.0.1 + +* generate changelog and publish on version bump +* enforce 100% test coverage +* Promise interface + +## 2.0.0 + +* Parallel tests, modern JavaScript, and drop support for node < 8 + +## 1.3.1 + +* update deps +* update travis + +## v1.3.0 + +* Add nothrow option to which.sync +* update tap + +## v1.2.14 + +* appveyor: drop node 5 and 0.x +* travis-ci: add node 6, drop 0.x + +## v1.2.13 + +* test: Pass missing option to pass on windows +* update tap +* update isexe to 2.0.0 +* neveragain.tech pledge request + +## v1.2.12 + +* Removed unused require + +## v1.2.11 + +* Prevent changelog script from being included in package + +## v1.2.10 + +* Use env.PATH only, not env.Path + +## v1.2.9 + +* fix for paths starting with ../ +* Remove unused `is-absolute` module + +## v1.2.8 + +* bullet items in changelog that contain (but don't start with) # + +## v1.2.7 + +* strip 'update changelog' changelog entries out of changelog + +## v1.2.6 + +* make the changelog bulleted + +## v1.2.5 + +* make a changelog, and keep it up to date +* don't include tests in package +* Properly handle relative-path executables +* appveyor +* Attach error code to Not Found error +* Make tests pass on Windows + +## v1.2.4 + +* Fix typo + +## v1.2.3 + +* update isexe, fix regression in pathExt handling + +## v1.2.2 + +* update deps, use isexe module, test windows + +## v1.2.1 + +* Sometimes windows PATH entries are quoted +* Fixed a bug in the check for group and user mode bits. This bug was introduced during refactoring for supporting strict mode. +* doc cli + +## v1.2.0 + +* Add support for opt.all and -as cli flags +* test the bin +* update travis +* Allow checking for multiple programs in bin/which +* tap 2 + +## v1.1.2 + +* travis +* Refactored and fixed undefined error on Windows +* Support strict mode + +## v1.1.1 + +* test +g exes against secondary groups, if available +* Use windows exe semantics on cygwin & msys +* cwd should be first in path on win32, not last +* Handle lower-case 'env.Path' on Windows +* Update docs +* use single-quotes + +## v1.1.0 + +* Add tests, depend on is-absolute + +## v1.0.9 + +* which.js: root is allowed to execute files owned by anyone + +## v1.0.8 + +* don't use graceful-fs + +## v1.0.7 + +* add license to package.json + +## v1.0.6 + +* isc license + +## 1.0.5 + +* Awful typo + +## 1.0.4 + +* Test for path absoluteness properly +* win: Allow '' as a pathext if cmd has a . in it + +## 1.0.3 + +* Remove references to execPath +* Make `which.sync()` work on Windows by honoring the PATHEXT variable. +* Make `isExe()` always return true on Windows. +* MIT + +## 1.0.2 + +* Only files can be exes + +## 1.0.1 + +* Respect the PATHEXT env for win32 support +* should 0755 the bin +* binary +* guts +* package +* 1st diff --git a/module/node_modules/which/LICENSE b/module/node_modules/which/LICENSE new file mode 100644 index 000000000..19129e315 --- /dev/null +++ b/module/node_modules/which/LICENSE @@ -0,0 +1,15 @@ +The ISC License + +Copyright (c) Isaac Z. Schlueter and Contributors + +Permission to use, copy, modify, and/or distribute this software for any +purpose with or without fee is hereby granted, provided that the above +copyright notice and this permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR +IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. diff --git a/module/node_modules/which/README.md b/module/node_modules/which/README.md new file mode 100644 index 000000000..cd833509f --- /dev/null +++ b/module/node_modules/which/README.md @@ -0,0 +1,54 @@ +# which + +Like the unix `which` utility. + +Finds the first instance of a specified executable in the PATH +environment variable. Does not cache the results, so `hash -r` is not +needed when the PATH changes. + +## USAGE + +```javascript +var which = require('which') + +// async usage +which('node', function (er, resolvedPath) { + // er is returned if no "node" is found on the PATH + // if it is found, then the absolute path to the exec is returned +}) + +// or promise +which('node').then(resolvedPath => { ... }).catch(er => { ... not found ... }) + +// sync usage +// throws if not found +var resolved = which.sync('node') + +// if nothrow option is used, returns null if not found +resolved = which.sync('node', {nothrow: true}) + +// Pass options to override the PATH and PATHEXT environment vars. +which('node', { path: someOtherPath }, function (er, resolved) { + if (er) + throw er + console.log('found at %j', resolved) +}) +``` + +## CLI USAGE + +Same as the BSD `which(1)` binary. + +``` +usage: which [-as] program ... +``` + +## OPTIONS + +You may pass an options object as the second argument. + +- `path`: Use instead of the `PATH` environment variable. +- `pathExt`: Use instead of the `PATHEXT` environment variable. +- `all`: Return all matches, instead of just the first one. Note that + this means the function returns an array of strings instead of a + single string. diff --git a/module/node_modules/which/bin/node-which b/module/node_modules/which/bin/node-which new file mode 100644 index 000000000..7cee3729e --- /dev/null +++ b/module/node_modules/which/bin/node-which @@ -0,0 +1,52 @@ +#!/usr/bin/env node +var which = require("../") +if (process.argv.length < 3) + usage() + +function usage () { + console.error('usage: which [-as] program ...') + process.exit(1) +} + +var all = false +var silent = false +var dashdash = false +var args = process.argv.slice(2).filter(function (arg) { + if (dashdash || !/^-/.test(arg)) + return true + + if (arg === '--') { + dashdash = true + return false + } + + var flags = arg.substr(1).split('') + for (var f = 0; f < flags.length; f++) { + var flag = flags[f] + switch (flag) { + case 's': + silent = true + break + case 'a': + all = true + break + default: + console.error('which: illegal option -- ' + flag) + usage() + } + } + return false +}) + +process.exit(args.reduce(function (pv, current) { + try { + var f = which.sync(current, { all: all }) + if (all) + f = f.join('\n') + if (!silent) + console.log(f) + return pv; + } catch (e) { + return 1; + } +}, 0)) diff --git a/module/node_modules/which/package.json b/module/node_modules/which/package.json new file mode 100644 index 000000000..97ad7fbab --- /dev/null +++ b/module/node_modules/which/package.json @@ -0,0 +1,43 @@ +{ + "author": "Isaac Z. Schlueter (http://blog.izs.me)", + "name": "which", + "description": "Like which(1) unix command. Find the first instance of an executable in the PATH.", + "version": "2.0.2", + "repository": { + "type": "git", + "url": "git://github.com/isaacs/node-which.git" + }, + "main": "which.js", + "bin": { + "node-which": "./bin/node-which" + }, + "license": "ISC", + "dependencies": { + "isexe": "^2.0.0" + }, + "devDependencies": { + "mkdirp": "^0.5.0", + "rimraf": "^2.6.2", + "tap": "^14.6.9" + }, + "scripts": { + "test": "tap", + "preversion": "npm test", + "postversion": "npm publish", + "prepublish": "npm run changelog", + "prechangelog": "bash gen-changelog.sh", + "changelog": "git add CHANGELOG.md", + "postchangelog": "git commit -m 'update changelog - '${npm_package_version}", + "postpublish": "git push origin --follow-tags" + }, + "files": [ + "which.js", + "bin/node-which" + ], + "tap": { + "check-coverage": true + }, + "engines": { + "node": ">= 8" + } +} diff --git a/module/node_modules/which/which.js b/module/node_modules/which/which.js new file mode 100644 index 000000000..82afffd21 --- /dev/null +++ b/module/node_modules/which/which.js @@ -0,0 +1,125 @@ +const isWindows = process.platform === 'win32' || + process.env.OSTYPE === 'cygwin' || + process.env.OSTYPE === 'msys' + +const path = require('path') +const COLON = isWindows ? ';' : ':' +const isexe = require('isexe') + +const getNotFoundError = (cmd) => + Object.assign(new Error(`not found: ${cmd}`), { code: 'ENOENT' }) + +const getPathInfo = (cmd, opt) => { + const colon = opt.colon || COLON + + // If it has a slash, then we don't bother searching the pathenv. + // just check the file itself, and that's it. + const pathEnv = cmd.match(/\//) || isWindows && cmd.match(/\\/) ? [''] + : ( + [ + // windows always checks the cwd first + ...(isWindows ? [process.cwd()] : []), + ...(opt.path || process.env.PATH || + /* istanbul ignore next: very unusual */ '').split(colon), + ] + ) + const pathExtExe = isWindows + ? opt.pathExt || process.env.PATHEXT || '.EXE;.CMD;.BAT;.COM' + : '' + const pathExt = isWindows ? pathExtExe.split(colon) : [''] + + if (isWindows) { + if (cmd.indexOf('.') !== -1 && pathExt[0] !== '') + pathExt.unshift('') + } + + return { + pathEnv, + pathExt, + pathExtExe, + } +} + +const which = (cmd, opt, cb) => { + if (typeof opt === 'function') { + cb = opt + opt = {} + } + if (!opt) + opt = {} + + const { pathEnv, pathExt, pathExtExe } = getPathInfo(cmd, opt) + const found = [] + + const step = i => new Promise((resolve, reject) => { + if (i === pathEnv.length) + return opt.all && found.length ? resolve(found) + : reject(getNotFoundError(cmd)) + + const ppRaw = pathEnv[i] + const pathPart = /^".*"$/.test(ppRaw) ? ppRaw.slice(1, -1) : ppRaw + + const pCmd = path.join(pathPart, cmd) + const p = !pathPart && /^\.[\\\/]/.test(cmd) ? cmd.slice(0, 2) + pCmd + : pCmd + + resolve(subStep(p, i, 0)) + }) + + const subStep = (p, i, ii) => new Promise((resolve, reject) => { + if (ii === pathExt.length) + return resolve(step(i + 1)) + const ext = pathExt[ii] + isexe(p + ext, { pathExt: pathExtExe }, (er, is) => { + if (!er && is) { + if (opt.all) + found.push(p + ext) + else + return resolve(p + ext) + } + return resolve(subStep(p, i, ii + 1)) + }) + }) + + return cb ? step(0).then(res => cb(null, res), cb) : step(0) +} + +const whichSync = (cmd, opt) => { + opt = opt || {} + + const { pathEnv, pathExt, pathExtExe } = getPathInfo(cmd, opt) + const found = [] + + for (let i = 0; i < pathEnv.length; i ++) { + const ppRaw = pathEnv[i] + const pathPart = /^".*"$/.test(ppRaw) ? ppRaw.slice(1, -1) : ppRaw + + const pCmd = path.join(pathPart, cmd) + const p = !pathPart && /^\.[\\\/]/.test(cmd) ? cmd.slice(0, 2) + pCmd + : pCmd + + for (let j = 0; j < pathExt.length; j ++) { + const cur = p + pathExt[j] + try { + const is = isexe.sync(cur, { pathExt: pathExtExe }) + if (is) { + if (opt.all) + found.push(cur) + else + return cur + } + } catch (ex) {} + } + } + + if (opt.all && found.length) + return found + + if (opt.nothrow) + return null + + throw getNotFoundError(cmd) +} + +module.exports = which +which.sync = whichSync diff --git a/module/node_modules/word-wrap/LICENSE b/module/node_modules/word-wrap/LICENSE new file mode 100644 index 000000000..842218cf0 --- /dev/null +++ b/module/node_modules/word-wrap/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2014-2016, Jon Schlinkert + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/module/node_modules/word-wrap/README.md b/module/node_modules/word-wrap/README.md new file mode 100644 index 000000000..330595383 --- /dev/null +++ b/module/node_modules/word-wrap/README.md @@ -0,0 +1,201 @@ +# word-wrap [![NPM version](https://img.shields.io/npm/v/word-wrap.svg?style=flat)](https://www.npmjs.com/package/word-wrap) [![NPM monthly downloads](https://img.shields.io/npm/dm/word-wrap.svg?style=flat)](https://npmjs.org/package/word-wrap) [![NPM total downloads](https://img.shields.io/npm/dt/word-wrap.svg?style=flat)](https://npmjs.org/package/word-wrap) [![Linux Build Status](https://img.shields.io/travis/jonschlinkert/word-wrap.svg?style=flat&label=Travis)](https://travis-ci.org/jonschlinkert/word-wrap) + +> Wrap words to a specified length. + +Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support. + +## Install + +Install with [npm](https://www.npmjs.com/): + +```sh +$ npm install --save word-wrap +``` + +## Usage + +```js +var wrap = require('word-wrap'); + +wrap('Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.'); +``` + +Results in: + +``` + Lorem ipsum dolor sit amet, consectetur adipiscing + elit, sed do eiusmod tempor incididunt ut labore + et dolore magna aliqua. Ut enim ad minim veniam, + quis nostrud exercitation ullamco laboris nisi ut + aliquip ex ea commodo consequat. +``` + +## Options + +![image](https://cloud.githubusercontent.com/assets/383994/6543728/7a381c08-c4f6-11e4-8b7d-b6ba197569c9.png) + +### options.width + +Type: `Number` + +Default: `50` + +The width of the text before wrapping to a new line. + +**Example:** + +```js +wrap(str, {width: 60}); +``` + +### options.indent + +Type: `String` + +Default: `` (two spaces) + +The string to use at the beginning of each line. + +**Example:** + +```js +wrap(str, {indent: ' '}); +``` + +### options.newline + +Type: `String` + +Default: `\n` + +The string to use at the end of each line. + +**Example:** + +```js +wrap(str, {newline: '\n\n'}); +``` + +### options.escape + +Type: `function` + +Default: `function(str){return str;}` + +An escape function to run on each line after splitting them. + +**Example:** + +```js +var xmlescape = require('xml-escape'); +wrap(str, { + escape: function(string){ + return xmlescape(string); + } +}); +``` + +### options.trim + +Type: `Boolean` + +Default: `false` + +Trim trailing whitespace from the returned string. This option is included since `.trim()` would also strip the leading indentation from the first line. + +**Example:** + +```js +wrap(str, {trim: true}); +``` + +### options.cut + +Type: `Boolean` + +Default: `false` + +Break a word between any two letters when the word is longer than the specified width. + +**Example:** + +```js +wrap(str, {cut: true}); +``` + +## About + +
+Contributing + +Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new). + +
+ +
+Running Tests + +Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command: + +```sh +$ npm install && npm test +``` + +
+ +
+Building docs + +_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_ + +To generate the readme, run the following command: + +```sh +$ npm install -g verbose/verb#dev verb-generate-readme && verb +``` + +
+ +### Related projects + +You might also be interested in these projects: + +* [common-words](https://www.npmjs.com/package/common-words): Updated list (JSON) of the 100 most common words in the English language. Useful for… [more](https://github.com/jonschlinkert/common-words) | [homepage](https://github.com/jonschlinkert/common-words "Updated list (JSON) of the 100 most common words in the English language. Useful for excluding these words from arrays.") +* [shuffle-words](https://www.npmjs.com/package/shuffle-words): Shuffle the words in a string and optionally the letters in each word using the… [more](https://github.com/jonschlinkert/shuffle-words) | [homepage](https://github.com/jonschlinkert/shuffle-words "Shuffle the words in a string and optionally the letters in each word using the Fisher-Yates algorithm. Useful for creating test fixtures, benchmarking samples, etc.") +* [unique-words](https://www.npmjs.com/package/unique-words): Returns an array of unique words, or the number of occurrences of each word in… [more](https://github.com/jonschlinkert/unique-words) | [homepage](https://github.com/jonschlinkert/unique-words "Returns an array of unique words, or the number of occurrences of each word in a string or list.") +* [wordcount](https://www.npmjs.com/package/wordcount): Count the words in a string. Support for english, CJK and Cyrillic. | [homepage](https://github.com/jonschlinkert/wordcount "Count the words in a string. Support for english, CJK and Cyrillic.") + +### Contributors + +| **Commits** | **Contributor** | +| --- | --- | +| 47 | [jonschlinkert](https://github.com/jonschlinkert) | +| 7 | [OlafConijn](https://github.com/OlafConijn) | +| 3 | [doowb](https://github.com/doowb) | +| 2 | [aashutoshrathi](https://github.com/aashutoshrathi) | +| 2 | [lordvlad](https://github.com/lordvlad) | +| 2 | [hildjj](https://github.com/hildjj) | +| 1 | [danilosampaio](https://github.com/danilosampaio) | +| 1 | [2fd](https://github.com/2fd) | +| 1 | [leonard-thieu](https://github.com/leonard-thieu) | +| 1 | [mohd-akram](https://github.com/mohd-akram) | +| 1 | [toddself](https://github.com/toddself) | +| 1 | [wolfgang42](https://github.com/wolfgang42) | +| 1 | [zachhale](https://github.com/zachhale) | + +### Author + +**Jon Schlinkert** + +* [GitHub Profile](https://github.com/jonschlinkert) +* [Twitter Profile](https://twitter.com/jonschlinkert) +* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert) + +### License + +Copyright © 2023, [Jon Schlinkert](https://github.com/jonschlinkert). +Released under the [MIT License](LICENSE). + +*** + +_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.8.0, on July 22, 2023._ \ No newline at end of file diff --git a/module/node_modules/word-wrap/index.d.ts b/module/node_modules/word-wrap/index.d.ts new file mode 100644 index 000000000..07e06f816 --- /dev/null +++ b/module/node_modules/word-wrap/index.d.ts @@ -0,0 +1,50 @@ +/** + * Wrap words to a specified length. + */ +export = wrap; + +declare function wrap(str: string, options?: wrap.IOptions): string; + +declare namespace wrap { + export interface IOptions { + + /** + * The width of the text before wrapping to a new line. + * @default ´50´ + */ + width?: number; + + /** + * The string to use at the beginning of each line. + * @default ´ ´ (two spaces) + */ + indent?: string; + + /** + * The string to use at the end of each line. + * @default ´\n´ + */ + newline?: string; + + /** + * An escape function to run on each line after splitting them. + * @default (str: string) => string; + */ + escape?: (str: string) => string; + + /** + * Trim trailing whitespace from the returned string. + * This option is included since .trim() would also strip + * the leading indentation from the first line. + * @default true + */ + trim?: boolean; + + /** + * Break a word between any two letters when the word is longer + * than the specified width. + * @default false + */ + cut?: boolean; + } +} diff --git a/module/node_modules/word-wrap/index.js b/module/node_modules/word-wrap/index.js new file mode 100644 index 000000000..08f1e41d7 --- /dev/null +++ b/module/node_modules/word-wrap/index.js @@ -0,0 +1,61 @@ +/*! + * word-wrap + * + * Copyright (c) 2014-2023, Jon Schlinkert. + * Released under the MIT License. + */ + +function trimEnd(str) { + let lastCharPos = str.length - 1; + let lastChar = str[lastCharPos]; + while(lastChar === ' ' || lastChar === '\t') { + lastChar = str[--lastCharPos]; + } + return str.substring(0, lastCharPos + 1); +} + +function trimTabAndSpaces(str) { + const lines = str.split('\n'); + const trimmedLines = lines.map((line) => trimEnd(line)); + return trimmedLines.join('\n'); +} + +module.exports = function(str, options) { + options = options || {}; + if (str == null) { + return str; + } + + var width = options.width || 50; + var indent = (typeof options.indent === 'string') + ? options.indent + : ' '; + + var newline = options.newline || '\n' + indent; + var escape = typeof options.escape === 'function' + ? options.escape + : identity; + + var regexString = '.{1,' + width + '}'; + if (options.cut !== true) { + regexString += '([\\s\u200B]+|$)|[^\\s\u200B]+?([\\s\u200B]+|$)'; + } + + var re = new RegExp(regexString, 'g'); + var lines = str.match(re) || []; + var result = indent + lines.map(function(line) { + if (line.slice(-1) === '\n') { + line = line.slice(0, line.length - 1); + } + return escape(line); + }).join(newline); + + if (options.trim === true) { + result = trimTabAndSpaces(result); + } + return result; +}; + +function identity(str) { + return str; +} diff --git a/module/node_modules/word-wrap/package.json b/module/node_modules/word-wrap/package.json new file mode 100644 index 000000000..459246d54 --- /dev/null +++ b/module/node_modules/word-wrap/package.json @@ -0,0 +1,77 @@ +{ + "name": "word-wrap", + "description": "Wrap words to a specified length.", + "version": "1.2.5", + "homepage": "https://github.com/jonschlinkert/word-wrap", + "author": "Jon Schlinkert (https://github.com/jonschlinkert)", + "contributors": [ + "Danilo Sampaio (localhost:8080)", + "Fede Ramirez (https://2fd.github.io)", + "Joe Hildebrand (https://twitter.com/hildjj)", + "Jon Schlinkert (http://twitter.com/jonschlinkert)", + "Todd Kennedy (https://tck.io)", + "Waldemar Reusch (https://github.com/lordvlad)", + "Wolfgang Faust (http://www.linestarve.com)", + "Zach Hale (http://zachhale.com)" + ], + "repository": "jonschlinkert/word-wrap", + "bugs": { + "url": "https://github.com/jonschlinkert/word-wrap/issues" + }, + "license": "MIT", + "files": [ + "index.js", + "index.d.ts" + ], + "main": "index.js", + "engines": { + "node": ">=0.10.0" + }, + "scripts": { + "test": "mocha" + }, + "devDependencies": { + "gulp-format-md": "^0.1.11", + "mocha": "^3.2.0" + }, + "keywords": [ + "break", + "carriage", + "line", + "new-line", + "newline", + "return", + "soft", + "text", + "word", + "word-wrap", + "words", + "wrap" + ], + "typings": "index.d.ts", + "verb": { + "toc": false, + "layout": "default", + "tasks": [ + "readme" + ], + "plugins": [ + "gulp-format-md" + ], + "lint": { + "reflinks": true + }, + "related": { + "list": [ + "common-words", + "shuffle-words", + "unique-words", + "wordcount" + ] + }, + "reflinks": [ + "verb", + "verb-generate-readme" + ] + } +} diff --git a/module/node_modules/yocto-queue/index.d.ts b/module/node_modules/yocto-queue/index.d.ts new file mode 100644 index 000000000..9541986b4 --- /dev/null +++ b/module/node_modules/yocto-queue/index.d.ts @@ -0,0 +1,56 @@ +declare class Queue implements Iterable { + /** + The size of the queue. + */ + readonly size: number; + + /** + Tiny queue data structure. + + The instance is an [`Iterable`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols), which means you can iterate over the queue front to back with a “for…of” loop, or use spreading to convert the queue to an array. Don't do this unless you really need to though, since it's slow. + + @example + ``` + import Queue = require('yocto-queue'); + + const queue = new Queue(); + + queue.enqueue('🦄'); + queue.enqueue('🌈'); + + console.log(queue.size); + //=> 2 + + console.log(...queue); + //=> '🦄 🌈' + + console.log(queue.dequeue()); + //=> '🦄' + + console.log(queue.dequeue()); + //=> '🌈' + ``` + */ + constructor(); + + [Symbol.iterator](): IterableIterator; + + /** + Add a value to the queue. + */ + enqueue(value: ValueType): void; + + /** + Remove the next value in the queue. + + @returns The removed value or `undefined` if the queue is empty. + */ + dequeue(): ValueType | undefined; + + /** + Clear the queue. + */ + clear(): void; +} + +export = Queue; diff --git a/module/node_modules/yocto-queue/index.js b/module/node_modules/yocto-queue/index.js new file mode 100644 index 000000000..2f3e6dcd7 --- /dev/null +++ b/module/node_modules/yocto-queue/index.js @@ -0,0 +1,68 @@ +class Node { + /// value; + /// next; + + constructor(value) { + this.value = value; + + // TODO: Remove this when targeting Node.js 12. + this.next = undefined; + } +} + +class Queue { + // TODO: Use private class fields when targeting Node.js 12. + // #_head; + // #_tail; + // #_size; + + constructor() { + this.clear(); + } + + enqueue(value) { + const node = new Node(value); + + if (this._head) { + this._tail.next = node; + this._tail = node; + } else { + this._head = node; + this._tail = node; + } + + this._size++; + } + + dequeue() { + const current = this._head; + if (!current) { + return; + } + + this._head = this._head.next; + this._size--; + return current.value; + } + + clear() { + this._head = undefined; + this._tail = undefined; + this._size = 0; + } + + get size() { + return this._size; + } + + * [Symbol.iterator]() { + let current = this._head; + + while (current) { + yield current.value; + current = current.next; + } + } +} + +module.exports = Queue; diff --git a/module/node_modules/yocto-queue/license b/module/node_modules/yocto-queue/license new file mode 100644 index 000000000..fa7ceba3e --- /dev/null +++ b/module/node_modules/yocto-queue/license @@ -0,0 +1,9 @@ +MIT License + +Copyright (c) Sindre Sorhus (https://sindresorhus.com) + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/module/node_modules/yocto-queue/package.json b/module/node_modules/yocto-queue/package.json new file mode 100644 index 000000000..71a91017b --- /dev/null +++ b/module/node_modules/yocto-queue/package.json @@ -0,0 +1,43 @@ +{ + "name": "yocto-queue", + "version": "0.1.0", + "description": "Tiny queue data structure", + "license": "MIT", + "repository": "sindresorhus/yocto-queue", + "funding": "https://github.com/sponsors/sindresorhus", + "author": { + "name": "Sindre Sorhus", + "email": "sindresorhus@gmail.com", + "url": "https://sindresorhus.com" + }, + "engines": { + "node": ">=10" + }, + "scripts": { + "test": "xo && ava && tsd" + }, + "files": [ + "index.js", + "index.d.ts" + ], + "keywords": [ + "queue", + "data", + "structure", + "algorithm", + "queues", + "queuing", + "list", + "array", + "linkedlist", + "fifo", + "enqueue", + "dequeue", + "data-structure" + ], + "devDependencies": { + "ava": "^2.4.0", + "tsd": "^0.13.1", + "xo": "^0.35.0" + } +} diff --git a/module/node_modules/yocto-queue/readme.md b/module/node_modules/yocto-queue/readme.md new file mode 100644 index 000000000..c72fefc48 --- /dev/null +++ b/module/node_modules/yocto-queue/readme.md @@ -0,0 +1,64 @@ +# yocto-queue [![](https://badgen.net/bundlephobia/minzip/yocto-queue)](https://bundlephobia.com/result?p=yocto-queue) + +> Tiny queue data structure + +You should use this package instead of an array if you do a lot of `Array#push()` and `Array#shift()` on large arrays, since `Array#shift()` has [linear time complexity](https://medium.com/@ariel.salem1989/an-easy-to-use-guide-to-big-o-time-complexity-5dcf4be8a444#:~:text=O(N)%E2%80%94Linear%20Time) *O(n)* while `Queue#dequeue()` has [constant time complexity](https://medium.com/@ariel.salem1989/an-easy-to-use-guide-to-big-o-time-complexity-5dcf4be8a444#:~:text=O(1)%20%E2%80%94%20Constant%20Time) *O(1)*. That makes a huge difference for large arrays. + +> A [queue](https://en.wikipedia.org/wiki/Queue_(abstract_data_type)) is an ordered list of elements where an element is inserted at the end of the queue and is removed from the front of the queue. A queue works based on the first-in, first-out ([FIFO](https://en.wikipedia.org/wiki/FIFO_(computing_and_electronics))) principle. + +## Install + +``` +$ npm install yocto-queue +``` + +## Usage + +```js +const Queue = require('yocto-queue'); + +const queue = new Queue(); + +queue.enqueue('🦄'); +queue.enqueue('🌈'); + +console.log(queue.size); +//=> 2 + +console.log(...queue); +//=> '🦄 🌈' + +console.log(queue.dequeue()); +//=> '🦄' + +console.log(queue.dequeue()); +//=> '🌈' +``` + +## API + +### `queue = new Queue()` + +The instance is an [`Iterable`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Iteration_protocols), which means you can iterate over the queue front to back with a “for…of” loop, or use spreading to convert the queue to an array. Don't do this unless you really need to though, since it's slow. + +#### `.enqueue(value)` + +Add a value to the queue. + +#### `.dequeue()` + +Remove the next value in the queue. + +Returns the removed value or `undefined` if the queue is empty. + +#### `.clear()` + +Clear the queue. + +#### `.size` + +The size of the queue. + +## Related + +- [quick-lru](https://github.com/sindresorhus/quick-lru) - Simple “Least Recently Used” (LRU) cache diff --git a/module/package-lock.json b/module/package-lock.json new file mode 100644 index 000000000..7ec511343 --- /dev/null +++ b/module/package-lock.json @@ -0,0 +1,1077 @@ +{ + "name": "module", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "module", + "version": "1.0.0", + "license": "ISC", + "devDependencies": { + "eslint": "^9.39.2" + } + }, + "node_modules/@eslint-community/eslint-utils": { + "version": "4.9.0", + "resolved": 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} + }, + "node_modules/strip-json-comments": { + "version": "3.1.1", + "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.1.tgz", + "integrity": "sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=8" + }, + "funding": { + "url": "https://github.com/sponsors/sindresorhus" + } + }, + "node_modules/supports-color": { + "version": "7.2.0", + "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz", + "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==", + "dev": true, + "license": "MIT", + "dependencies": { + "has-flag": "^4.0.0" + }, + "engines": { + "node": ">=8" + } + }, + "node_modules/type-check": { + "version": "0.4.0", + "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz", + "integrity": "sha512-XleUoc9uwGXqjWwXaUTZAmzMcFZ5858QA2vvx1Ur5xIcixXIP+8LnFDgRplU30us6teqdlskFfu+ae4K79Ooew==", + "dev": true, + "license": "MIT", + "dependencies": { + "prelude-ls": "^1.2.1" + }, + "engines": { + "node": ">= 0.8.0" + } + }, + "node_modules/uri-js": { + "version": "4.4.1", + "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz", + "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==", + "dev": true, + "license": "BSD-2-Clause", + "dependencies": { + "punycode": "^2.1.0" + } + }, + "node_modules/which": { + "version": "2.0.2", + "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz", + "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==", + "dev": true, + "license": "ISC", + "dependencies": { + "isexe": "^2.0.0" + }, + "bin": { + "node-which": "bin/node-which" + }, + "engines": { + "node": ">= 8" + } + }, + "node_modules/word-wrap": { + "version": "1.2.5", + "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz", + "integrity": "sha512-BN22B5eaMMI9UMtjrGd5g5eCYPpCPDUy0FJXbYsaT5zYxjFOckS53SQDE3pWkVoWpHXVb3BrYcEN4Twa55B5cA==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=0.10.0" + } + }, + "node_modules/yocto-queue": { + "version": "0.1.0", + "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz", + "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">=10" + }, + "funding": { + "url": "https://github.com/sponsors/sindresorhus" + } + } + } +} diff --git a/module/package.json b/module/package.json new file mode 100644 index 000000000..2ae75285d --- /dev/null +++ b/module/package.json @@ -0,0 +1,16 @@ +{ + "name": "module", + "version": "1.0.0", + "description": "", + "main": "addEventHandlers.js", + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1" + }, + "keywords": [], + "author": "", + "license": "ISC", + "type": "commonjs", + "devDependencies": { + "eslint": "^9.39.2" + } +} diff --git a/module/renderComments.js b/module/renderComments.js new file mode 100644 index 000000000..564bd567f --- /dev/null +++ b/module/renderComments.js @@ -0,0 +1,37 @@ +import { comments } from './comments.js' +import { escapeHtml } from './escape.js' +import { addEventHandlers } from './addEventHandlers.js' + +const commentsList = document.querySelector('.comments') + +function renderComments() { + commentsList.innerHTML = '' + + comments.forEach((comment) => { + const commentElement = document.createElement('li') + commentElement.className = 'comment' + commentElement.dataset.id = comment.id + + commentElement.innerHTML = ` +
+
${escapeHtml(comment.name)}
+
${comment.date}
+
+
+
${escapeHtml(comment.text)}
+
+
+ +
+ ` + + commentsList.appendChild(commentElement) + }) + + addEventHandlers() +} + +export { renderComments } diff --git a/node_modules/.bin/acorn b/node_modules/.bin/acorn new file mode 100644 index 000000000..679bd163c --- /dev/null +++ b/node_modules/.bin/acorn @@ -0,0 +1,16 @@ +#!/bin/sh +basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") + +case `uname` in + *CYGWIN*|*MINGW*|*MSYS*) + if command -v cygpath > /dev/null 2>&1; then + basedir=`cygpath -w "$basedir"` + fi + ;; +esac + +if [ -x "$basedir/node" ]; then + exec "$basedir/node" "$basedir/../acorn/bin/acorn" "$@" +else + exec node "$basedir/../acorn/bin/acorn" "$@" +fi diff --git a/node_modules/.bin/acorn.cmd b/node_modules/.bin/acorn.cmd new file mode 100644 index 000000000..a9324df95 --- /dev/null +++ b/node_modules/.bin/acorn.cmd @@ -0,0 +1,17 @@ +@ECHO off +GOTO start +:find_dp0 +SET dp0=%~dp0 +EXIT /b +:start +SETLOCAL +CALL :find_dp0 + +IF EXIST "%dp0%\node.exe" ( + SET "_prog=%dp0%\node.exe" +) ELSE ( + SET "_prog=node" + SET PATHEXT=%PATHEXT:;.JS;=;% +) + +endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\acorn\bin\acorn" %* diff --git a/node_modules/.bin/acorn.ps1 b/node_modules/.bin/acorn.ps1 new file mode 100644 index 000000000..6f6dcddf3 --- /dev/null +++ b/node_modules/.bin/acorn.ps1 @@ -0,0 +1,28 @@ +#!/usr/bin/env pwsh +$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent + +$exe="" +if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) { + # Fix case when both the Windows and Linux builds of Node + # are installed in the same directory + $exe=".exe" +} +$ret=0 +if (Test-Path "$basedir/node$exe") { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "$basedir/node$exe" "$basedir/../acorn/bin/acorn" $args + } else { + & "$basedir/node$exe" "$basedir/../acorn/bin/acorn" $args + } + $ret=$LASTEXITCODE +} else { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "node$exe" "$basedir/../acorn/bin/acorn" $args + } else { + & "node$exe" "$basedir/../acorn/bin/acorn" $args + } + $ret=$LASTEXITCODE +} +exit $ret diff --git a/node_modules/.bin/eslint b/node_modules/.bin/eslint new file mode 100644 index 000000000..d450ee1f9 --- /dev/null +++ b/node_modules/.bin/eslint @@ -0,0 +1,16 @@ +#!/bin/sh +basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") + +case `uname` in + *CYGWIN*|*MINGW*|*MSYS*) + if command -v cygpath > /dev/null 2>&1; then + basedir=`cygpath -w "$basedir"` + fi + ;; +esac + +if [ -x "$basedir/node" ]; then + exec "$basedir/node" "$basedir/../eslint/bin/eslint.js" "$@" +else + exec node "$basedir/../eslint/bin/eslint.js" "$@" +fi diff --git a/node_modules/.bin/eslint-config-prettier b/node_modules/.bin/eslint-config-prettier new file mode 100644 index 000000000..478b3ef7a --- /dev/null +++ b/node_modules/.bin/eslint-config-prettier @@ -0,0 +1,16 @@ +#!/bin/sh +basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") + +case `uname` in + *CYGWIN*|*MINGW*|*MSYS*) + if command -v cygpath > /dev/null 2>&1; then + basedir=`cygpath -w "$basedir"` + fi + ;; +esac + +if [ -x "$basedir/node" ]; then + exec "$basedir/node" "$basedir/../eslint-config-prettier/bin/cli.js" "$@" +else + exec node "$basedir/../eslint-config-prettier/bin/cli.js" "$@" +fi diff --git a/node_modules/.bin/eslint-config-prettier.cmd b/node_modules/.bin/eslint-config-prettier.cmd new file mode 100644 index 000000000..13a820d70 --- /dev/null +++ b/node_modules/.bin/eslint-config-prettier.cmd @@ -0,0 +1,17 @@ +@ECHO off +GOTO start +:find_dp0 +SET dp0=%~dp0 +EXIT /b +:start +SETLOCAL +CALL :find_dp0 + +IF EXIST "%dp0%\node.exe" ( + SET "_prog=%dp0%\node.exe" +) ELSE ( + SET "_prog=node" + SET PATHEXT=%PATHEXT:;.JS;=;% +) + +endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\eslint-config-prettier\bin\cli.js" %* diff --git a/node_modules/.bin/eslint-config-prettier.ps1 b/node_modules/.bin/eslint-config-prettier.ps1 new file mode 100644 index 000000000..342c61fee --- /dev/null +++ b/node_modules/.bin/eslint-config-prettier.ps1 @@ -0,0 +1,28 @@ +#!/usr/bin/env pwsh +$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent + +$exe="" +if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) { + # Fix case when both the Windows and Linux builds of Node + # are installed in the same directory + $exe=".exe" +} +$ret=0 +if (Test-Path "$basedir/node$exe") { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "$basedir/node$exe" "$basedir/../eslint-config-prettier/bin/cli.js" $args + } else { + & "$basedir/node$exe" "$basedir/../eslint-config-prettier/bin/cli.js" $args + } + $ret=$LASTEXITCODE +} else { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "node$exe" "$basedir/../eslint-config-prettier/bin/cli.js" $args + } else { + & "node$exe" "$basedir/../eslint-config-prettier/bin/cli.js" $args + } + $ret=$LASTEXITCODE +} +exit $ret diff --git a/node_modules/.bin/eslint.cmd b/node_modules/.bin/eslint.cmd new file mode 100644 index 000000000..032901a59 --- /dev/null +++ b/node_modules/.bin/eslint.cmd @@ -0,0 +1,17 @@ +@ECHO off +GOTO start +:find_dp0 +SET dp0=%~dp0 +EXIT /b +:start +SETLOCAL +CALL :find_dp0 + +IF EXIST "%dp0%\node.exe" ( + SET "_prog=%dp0%\node.exe" +) ELSE ( + SET "_prog=node" + SET PATHEXT=%PATHEXT:;.JS;=;% +) + +endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\eslint\bin\eslint.js" %* diff --git a/node_modules/.bin/eslint.ps1 b/node_modules/.bin/eslint.ps1 new file mode 100644 index 000000000..155bec495 --- /dev/null +++ b/node_modules/.bin/eslint.ps1 @@ -0,0 +1,28 @@ +#!/usr/bin/env pwsh +$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent + +$exe="" +if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) { + # Fix case when both the Windows and Linux builds of Node + # are installed in the same directory + $exe=".exe" +} +$ret=0 +if (Test-Path "$basedir/node$exe") { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "$basedir/node$exe" "$basedir/../eslint/bin/eslint.js" $args + } else { + & "$basedir/node$exe" "$basedir/../eslint/bin/eslint.js" $args + } + $ret=$LASTEXITCODE +} else { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "node$exe" "$basedir/../eslint/bin/eslint.js" $args + } else { + & "node$exe" "$basedir/../eslint/bin/eslint.js" $args + } + $ret=$LASTEXITCODE +} +exit $ret diff --git a/node_modules/.bin/js-yaml b/node_modules/.bin/js-yaml new file mode 100644 index 000000000..82416ef1f --- /dev/null +++ b/node_modules/.bin/js-yaml @@ -0,0 +1,16 @@ +#!/bin/sh +basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") + +case `uname` in + *CYGWIN*|*MINGW*|*MSYS*) + if command -v cygpath > /dev/null 2>&1; then + basedir=`cygpath -w "$basedir"` + fi + ;; +esac + +if [ -x "$basedir/node" ]; then + exec "$basedir/node" "$basedir/../js-yaml/bin/js-yaml.js" "$@" +else + exec node "$basedir/../js-yaml/bin/js-yaml.js" "$@" +fi diff --git a/node_modules/.bin/js-yaml.cmd b/node_modules/.bin/js-yaml.cmd new file mode 100644 index 000000000..453312b6d --- /dev/null +++ b/node_modules/.bin/js-yaml.cmd @@ -0,0 +1,17 @@ +@ECHO off +GOTO start +:find_dp0 +SET dp0=%~dp0 +EXIT /b +:start +SETLOCAL +CALL :find_dp0 + +IF EXIST "%dp0%\node.exe" ( + SET "_prog=%dp0%\node.exe" +) ELSE ( + SET "_prog=node" + SET PATHEXT=%PATHEXT:;.JS;=;% +) + +endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\js-yaml\bin\js-yaml.js" %* diff --git a/node_modules/.bin/js-yaml.ps1 b/node_modules/.bin/js-yaml.ps1 new file mode 100644 index 000000000..2acfc61c3 --- /dev/null +++ b/node_modules/.bin/js-yaml.ps1 @@ -0,0 +1,28 @@ +#!/usr/bin/env pwsh +$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent + +$exe="" +if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) { + # Fix case when both the Windows and Linux builds of Node + # are installed in the same directory + $exe=".exe" +} +$ret=0 +if (Test-Path "$basedir/node$exe") { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "$basedir/node$exe" "$basedir/../js-yaml/bin/js-yaml.js" $args + } else { + & "$basedir/node$exe" "$basedir/../js-yaml/bin/js-yaml.js" $args + } + $ret=$LASTEXITCODE +} else { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "node$exe" "$basedir/../js-yaml/bin/js-yaml.js" $args + } else { + & "node$exe" "$basedir/../js-yaml/bin/js-yaml.js" $args + } + $ret=$LASTEXITCODE +} +exit $ret diff --git a/node_modules/.bin/node-which b/node_modules/.bin/node-which new file mode 100644 index 000000000..b49b03f7d --- /dev/null +++ b/node_modules/.bin/node-which @@ -0,0 +1,16 @@ +#!/bin/sh +basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") + +case `uname` in + *CYGWIN*|*MINGW*|*MSYS*) + if command -v cygpath > /dev/null 2>&1; then + basedir=`cygpath -w "$basedir"` + fi + ;; +esac + +if [ -x "$basedir/node" ]; then + exec "$basedir/node" "$basedir/../which/bin/node-which" "$@" +else + exec node "$basedir/../which/bin/node-which" "$@" +fi diff --git a/node_modules/.bin/node-which.cmd b/node_modules/.bin/node-which.cmd new file mode 100644 index 000000000..8738aed88 --- /dev/null +++ b/node_modules/.bin/node-which.cmd @@ -0,0 +1,17 @@ +@ECHO off +GOTO start +:find_dp0 +SET dp0=%~dp0 +EXIT /b +:start +SETLOCAL +CALL :find_dp0 + +IF EXIST "%dp0%\node.exe" ( + SET "_prog=%dp0%\node.exe" +) ELSE ( + SET "_prog=node" + SET PATHEXT=%PATHEXT:;.JS;=;% +) + +endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\which\bin\node-which" %* diff --git a/node_modules/.bin/node-which.ps1 b/node_modules/.bin/node-which.ps1 new file mode 100644 index 000000000..cfb09e844 --- /dev/null +++ b/node_modules/.bin/node-which.ps1 @@ -0,0 +1,28 @@ +#!/usr/bin/env pwsh +$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent + +$exe="" +if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) { + # Fix case when both the Windows and Linux builds of Node + # are installed in the same directory + $exe=".exe" +} +$ret=0 +if (Test-Path "$basedir/node$exe") { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "$basedir/node$exe" "$basedir/../which/bin/node-which" $args + } else { + & "$basedir/node$exe" "$basedir/../which/bin/node-which" $args + } + $ret=$LASTEXITCODE +} else { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "node$exe" "$basedir/../which/bin/node-which" $args + } else { + & "node$exe" "$basedir/../which/bin/node-which" $args + } + $ret=$LASTEXITCODE +} +exit $ret diff --git a/node_modules/.bin/prettier b/node_modules/.bin/prettier new file mode 100644 index 000000000..5944261da --- /dev/null +++ b/node_modules/.bin/prettier @@ -0,0 +1,16 @@ +#!/bin/sh +basedir=$(dirname "$(echo "$0" | sed -e 's,\\,/,g')") + +case `uname` in + *CYGWIN*|*MINGW*|*MSYS*) + if command -v cygpath > /dev/null 2>&1; then + basedir=`cygpath -w "$basedir"` + fi + ;; +esac + +if [ -x "$basedir/node" ]; then + exec "$basedir/node" "$basedir/../prettier/bin/prettier.cjs" "$@" +else + exec node "$basedir/../prettier/bin/prettier.cjs" "$@" +fi diff --git a/node_modules/.bin/prettier.cmd b/node_modules/.bin/prettier.cmd new file mode 100644 index 000000000..e0fa0f716 --- /dev/null +++ b/node_modules/.bin/prettier.cmd @@ -0,0 +1,17 @@ +@ECHO off +GOTO start +:find_dp0 +SET dp0=%~dp0 +EXIT /b +:start +SETLOCAL +CALL :find_dp0 + +IF EXIST "%dp0%\node.exe" ( + SET "_prog=%dp0%\node.exe" +) ELSE ( + SET "_prog=node" + SET PATHEXT=%PATHEXT:;.JS;=;% +) + +endLocal & goto #_undefined_# 2>NUL || title %COMSPEC% & "%_prog%" "%dp0%\..\prettier\bin\prettier.cjs" %* diff --git a/node_modules/.bin/prettier.ps1 b/node_modules/.bin/prettier.ps1 new file mode 100644 index 000000000..8359dd9d0 --- /dev/null +++ b/node_modules/.bin/prettier.ps1 @@ -0,0 +1,28 @@ +#!/usr/bin/env pwsh +$basedir=Split-Path $MyInvocation.MyCommand.Definition -Parent + +$exe="" +if ($PSVersionTable.PSVersion -lt "6.0" -or $IsWindows) { + # Fix case when both the Windows and Linux builds of Node + # are installed in the same directory + $exe=".exe" +} +$ret=0 +if (Test-Path "$basedir/node$exe") { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "$basedir/node$exe" "$basedir/../prettier/bin/prettier.cjs" $args + } else { + & "$basedir/node$exe" "$basedir/../prettier/bin/prettier.cjs" $args + } + $ret=$LASTEXITCODE +} else { + # Support pipeline input + if ($MyInvocation.ExpectingInput) { + $input | & "node$exe" "$basedir/../prettier/bin/prettier.cjs" $args + } else { + & "node$exe" "$basedir/../prettier/bin/prettier.cjs" $args + } + $ret=$LASTEXITCODE +} +exit $ret diff --git a/node_modules/.package-lock.json b/node_modules/.package-lock.json new file mode 100644 index 000000000..529a271f1 --- /dev/null +++ b/node_modules/.package-lock.json @@ -0,0 +1,1267 @@ +{ + "name": 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sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/node_modules/@eslint-community/eslint-utils/README.md b/node_modules/@eslint-community/eslint-utils/README.md new file mode 100644 index 000000000..257954c9b --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/README.md @@ -0,0 +1,37 @@ +# @eslint-community/eslint-utils + +[![npm version](https://img.shields.io/npm/v/@eslint-community/eslint-utils.svg)](https://www.npmjs.com/package/@eslint-community/eslint-utils) +[![Downloads/month](https://img.shields.io/npm/dm/@eslint-community/eslint-utils.svg)](http://www.npmtrends.com/@eslint-community/eslint-utils) +[![Build Status](https://github.com/eslint-community/eslint-utils/workflows/CI/badge.svg)](https://github.com/eslint-community/eslint-utils/actions) +[![Coverage Status](https://codecov.io/gh/eslint-community/eslint-utils/branch/main/graph/badge.svg)](https://codecov.io/gh/eslint-community/eslint-utils) + +## 🏁 Goal + +This package provides utility functions and classes for make ESLint custom rules. + +For examples: + +- [`getStaticValue`](https://eslint-community.github.io/eslint-utils/api/ast-utils.html#getstaticvalue) evaluates static value on AST. +- [`ReferenceTracker`](https://eslint-community.github.io/eslint-utils/api/scope-utils.html#referencetracker-class) checks the members of modules/globals as handling assignments and destructuring. + +## 📖 Usage + +See [documentation](https://eslint-community.github.io/eslint-utils). + +## 📰 Changelog + +See [releases](https://github.com/eslint-community/eslint-utils/releases). + +## ❤️ Contributing + +Welcome contributing! + +Please use GitHub's Issues/PRs. + +### Development Tools + +- `npm run test-coverage` runs tests and measures coverage. +- `npm run clean` removes the coverage result of `npm run test-coverage` command. +- `npm run coverage` shows the coverage result of the last `npm run test-coverage` command. +- `npm run lint` runs ESLint. +- `npm run watch` runs tests on each file change. diff --git a/node_modules/@eslint-community/eslint-utils/index.d.mts b/node_modules/@eslint-community/eslint-utils/index.d.mts new file mode 100644 index 000000000..8ad6f5c98 --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/index.d.mts @@ -0,0 +1,217 @@ +import * as eslint from 'eslint'; +import { Rule, AST } from 'eslint'; +import * as estree from 'estree'; + +declare const READ: unique symbol; +declare const CALL: unique symbol; +declare const CONSTRUCT: unique symbol; +declare const ESM: unique symbol; +declare class ReferenceTracker { + constructor(globalScope: Scope$2, options?: { + mode?: "legacy" | "strict" | undefined; + globalObjectNames?: string[] | undefined; + } | undefined); + private variableStack; + private globalScope; + private mode; + private globalObjectNames; + iterateGlobalReferences(traceMap: TraceMap$2): IterableIterator>; + iterateCjsReferences(traceMap: TraceMap$2): IterableIterator>; + iterateEsmReferences(traceMap: TraceMap$2): IterableIterator>; + iteratePropertyReferences(node: Expression, traceMap: TraceMap$2): IterableIterator>; + private _iterateVariableReferences; + private _iteratePropertyReferences; + private _iterateLhsReferences; + private _iterateImportReferences; +} +declare namespace ReferenceTracker { + export { READ }; + export { CALL }; + export { CONSTRUCT }; + export { ESM }; +} +type Scope$2 = eslint.Scope.Scope; +type Expression = estree.Expression; +type TraceMap$2 = TraceMap$1; +type TrackedReferences$2 = TrackedReferences$1; + +type StaticValue$2 = StaticValueProvided$1 | StaticValueOptional$1; +type StaticValueProvided$1 = { + optional?: undefined; + value: unknown; +}; +type StaticValueOptional$1 = { + optional?: true; + value: undefined; +}; +type ReferenceTrackerOptions$1 = { + globalObjectNames?: string[]; + mode?: "legacy" | "strict"; +}; +type TraceMap$1 = { + [i: string]: TraceMapObject; +}; +type TraceMapObject = { + [i: string]: TraceMapObject; + [CALL]?: T; + [CONSTRUCT]?: T; + [READ]?: T; + [ESM]?: boolean; +}; +type TrackedReferences$1 = { + info: T; + node: Rule.Node; + path: string[]; + type: typeof CALL | typeof CONSTRUCT | typeof READ; +}; +type HasSideEffectOptions$1 = { + considerGetters?: boolean; + considerImplicitTypeConversion?: boolean; +}; +type PunctuatorToken = AST.Token & { + type: "Punctuator"; + value: Value; +}; +type ArrowToken$1 = PunctuatorToken<"=>">; +type CommaToken$1 = PunctuatorToken<",">; +type SemicolonToken$1 = PunctuatorToken<";">; +type ColonToken$1 = PunctuatorToken<":">; +type OpeningParenToken$1 = PunctuatorToken<"(">; +type ClosingParenToken$1 = PunctuatorToken<")">; +type OpeningBracketToken$1 = PunctuatorToken<"[">; +type ClosingBracketToken$1 = PunctuatorToken<"]">; +type OpeningBraceToken$1 = PunctuatorToken<"{">; +type ClosingBraceToken$1 = PunctuatorToken<"}">; + +declare function findVariable(initialScope: Scope$1, nameOrNode: string | Identifier): Variable | null; +type Scope$1 = eslint.Scope.Scope; +type Variable = eslint.Scope.Variable; +type Identifier = estree.Identifier; + +declare function getFunctionHeadLocation(node: FunctionNode$1, sourceCode: SourceCode$2): SourceLocation | null; +type SourceCode$2 = eslint.SourceCode; +type FunctionNode$1 = estree.Function; +type SourceLocation = estree.SourceLocation; + +declare function getFunctionNameWithKind(node: FunctionNode, sourceCode?: eslint.SourceCode | undefined): string; +type FunctionNode = estree.Function; + +declare function getInnermostScope(initialScope: Scope, node: Node$4): Scope; +type Scope = eslint.Scope.Scope; +type Node$4 = estree.Node; + +declare function getPropertyName(node: MemberExpression | MethodDefinition | Property | PropertyDefinition, initialScope?: eslint.Scope.Scope | undefined): string | null | undefined; +type MemberExpression = estree.MemberExpression; +type MethodDefinition = estree.MethodDefinition; +type Property = estree.Property; +type PropertyDefinition = estree.PropertyDefinition; + +declare function getStaticValue(node: Node$3, initialScope?: eslint.Scope.Scope | null | undefined): StaticValue$1 | null; +type StaticValue$1 = StaticValue$2; +type Node$3 = estree.Node; + +declare function getStringIfConstant(node: Node$2, initialScope?: eslint.Scope.Scope | null | undefined): string | null; +type Node$2 = estree.Node; + +declare function hasSideEffect(node: Node$1, sourceCode: SourceCode$1, options?: HasSideEffectOptions$1 | undefined): boolean; +type Node$1 = estree.Node; +type SourceCode$1 = eslint.SourceCode; + +declare function isArrowToken(token: CommentOrToken): token is ArrowToken$1; +declare function isCommaToken(token: CommentOrToken): token is CommaToken$1; +declare function isSemicolonToken(token: CommentOrToken): token is SemicolonToken$1; +declare function isColonToken(token: CommentOrToken): token is ColonToken$1; +declare function isOpeningParenToken(token: CommentOrToken): token is OpeningParenToken$1; +declare function isClosingParenToken(token: CommentOrToken): token is ClosingParenToken$1; +declare function isOpeningBracketToken(token: CommentOrToken): token is OpeningBracketToken$1; +declare function isClosingBracketToken(token: CommentOrToken): token is ClosingBracketToken$1; +declare function isOpeningBraceToken(token: CommentOrToken): token is OpeningBraceToken$1; +declare function isClosingBraceToken(token: CommentOrToken): token is ClosingBraceToken$1; +declare function isCommentToken(token: CommentOrToken): token is estree.Comment; +declare function isNotArrowToken(arg0: CommentOrToken): boolean; +declare function isNotCommaToken(arg0: CommentOrToken): boolean; +declare function isNotSemicolonToken(arg0: CommentOrToken): boolean; +declare function isNotColonToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningParenToken(arg0: CommentOrToken): boolean; +declare function isNotClosingParenToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningBracketToken(arg0: CommentOrToken): boolean; +declare function isNotClosingBracketToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningBraceToken(arg0: CommentOrToken): boolean; +declare function isNotClosingBraceToken(arg0: CommentOrToken): boolean; +declare function isNotCommentToken(arg0: CommentOrToken): boolean; +type Token = eslint.AST.Token; +type Comment = estree.Comment; +type CommentOrToken = Comment | Token; + +declare function isParenthesized(timesOrNode: Node | number, nodeOrSourceCode: Node | SourceCode, optionalSourceCode?: eslint.SourceCode | undefined): boolean; +type Node = estree.Node; +type SourceCode = eslint.SourceCode; + +declare class PatternMatcher { + constructor(pattern: RegExp, options?: { + escaped?: boolean | undefined; + } | undefined); + execAll(str: string): IterableIterator; + test(str: string): boolean; + [Symbol.replace](str: string, replacer: string | ((...strs: string[]) => string)): string; +} + +declare namespace _default { + export { CALL }; + export { CONSTRUCT }; + export { ESM }; + export { findVariable }; + export { getFunctionHeadLocation }; + export { getFunctionNameWithKind }; + export { getInnermostScope }; + export { getPropertyName }; + export { getStaticValue }; + export { getStringIfConstant }; + export { hasSideEffect }; + export { isArrowToken }; + export { isClosingBraceToken }; + export { isClosingBracketToken }; + export { isClosingParenToken }; + export { isColonToken }; + export { isCommaToken }; + export { isCommentToken }; + export { isNotArrowToken }; + export { isNotClosingBraceToken }; + export { isNotClosingBracketToken }; + export { isNotClosingParenToken }; + export { isNotColonToken }; + export { isNotCommaToken }; + export { isNotCommentToken }; + export { isNotOpeningBraceToken }; + export { isNotOpeningBracketToken }; + export { isNotOpeningParenToken }; + export { isNotSemicolonToken }; + export { isOpeningBraceToken }; + export { isOpeningBracketToken }; + export { isOpeningParenToken }; + export { isParenthesized }; + export { isSemicolonToken }; + export { PatternMatcher }; + export { READ }; + export { ReferenceTracker }; +} + +type StaticValue = StaticValue$2; +type StaticValueOptional = StaticValueOptional$1; +type StaticValueProvided = StaticValueProvided$1; +type ReferenceTrackerOptions = ReferenceTrackerOptions$1; +type TraceMap = TraceMap$1; +type TrackedReferences = TrackedReferences$1; +type HasSideEffectOptions = HasSideEffectOptions$1; +type ArrowToken = ArrowToken$1; +type CommaToken = CommaToken$1; +type SemicolonToken = SemicolonToken$1; +type ColonToken = ColonToken$1; +type OpeningParenToken = OpeningParenToken$1; +type ClosingParenToken = ClosingParenToken$1; +type OpeningBracketToken = OpeningBracketToken$1; +type ClosingBracketToken = ClosingBracketToken$1; +type OpeningBraceToken = OpeningBraceToken$1; +type ClosingBraceToken = ClosingBraceToken$1; + +export { ArrowToken, CALL, CONSTRUCT, ClosingBraceToken, ClosingBracketToken, ClosingParenToken, ColonToken, CommaToken, ESM, HasSideEffectOptions, OpeningBraceToken, OpeningBracketToken, OpeningParenToken, PatternMatcher, READ, ReferenceTracker, ReferenceTrackerOptions, SemicolonToken, StaticValue, StaticValueOptional, StaticValueProvided, TraceMap, TrackedReferences, _default as default, findVariable, getFunctionHeadLocation, getFunctionNameWithKind, getInnermostScope, getPropertyName, getStaticValue, getStringIfConstant, hasSideEffect, isArrowToken, isClosingBraceToken, isClosingBracketToken, isClosingParenToken, isColonToken, isCommaToken, isCommentToken, isNotArrowToken, isNotClosingBraceToken, isNotClosingBracketToken, isNotClosingParenToken, isNotColonToken, isNotCommaToken, isNotCommentToken, isNotOpeningBraceToken, isNotOpeningBracketToken, isNotOpeningParenToken, isNotSemicolonToken, isOpeningBraceToken, isOpeningBracketToken, isOpeningParenToken, isParenthesized, isSemicolonToken }; diff --git a/node_modules/@eslint-community/eslint-utils/index.d.ts b/node_modules/@eslint-community/eslint-utils/index.d.ts new file mode 100644 index 000000000..8ad6f5c98 --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/index.d.ts @@ -0,0 +1,217 @@ +import * as eslint from 'eslint'; +import { Rule, AST } from 'eslint'; +import * as estree from 'estree'; + +declare const READ: unique symbol; +declare const CALL: unique symbol; +declare const CONSTRUCT: unique symbol; +declare const ESM: unique symbol; +declare class ReferenceTracker { + constructor(globalScope: Scope$2, options?: { + mode?: "legacy" | "strict" | undefined; + globalObjectNames?: string[] | undefined; + } | undefined); + private variableStack; + private globalScope; + private mode; + private globalObjectNames; + iterateGlobalReferences(traceMap: TraceMap$2): IterableIterator>; + iterateCjsReferences(traceMap: TraceMap$2): IterableIterator>; + iterateEsmReferences(traceMap: TraceMap$2): IterableIterator>; + iteratePropertyReferences(node: Expression, traceMap: TraceMap$2): IterableIterator>; + private _iterateVariableReferences; + private _iteratePropertyReferences; + private _iterateLhsReferences; + private _iterateImportReferences; +} +declare namespace ReferenceTracker { + export { READ }; + export { CALL }; + export { CONSTRUCT }; + export { ESM }; +} +type Scope$2 = eslint.Scope.Scope; +type Expression = estree.Expression; +type TraceMap$2 = TraceMap$1; +type TrackedReferences$2 = TrackedReferences$1; + +type StaticValue$2 = StaticValueProvided$1 | StaticValueOptional$1; +type StaticValueProvided$1 = { + optional?: undefined; + value: unknown; +}; +type StaticValueOptional$1 = { + optional?: true; + value: undefined; +}; +type ReferenceTrackerOptions$1 = { + globalObjectNames?: string[]; + mode?: "legacy" | "strict"; +}; +type TraceMap$1 = { + [i: string]: TraceMapObject; +}; +type TraceMapObject = { + [i: string]: TraceMapObject; + [CALL]?: T; + [CONSTRUCT]?: T; + [READ]?: T; + [ESM]?: boolean; +}; +type TrackedReferences$1 = { + info: T; + node: Rule.Node; + path: string[]; + type: typeof CALL | typeof CONSTRUCT | typeof READ; +}; +type HasSideEffectOptions$1 = { + considerGetters?: boolean; + considerImplicitTypeConversion?: boolean; +}; +type PunctuatorToken = AST.Token & { + type: "Punctuator"; + value: Value; +}; +type ArrowToken$1 = PunctuatorToken<"=>">; +type CommaToken$1 = PunctuatorToken<",">; +type SemicolonToken$1 = PunctuatorToken<";">; +type ColonToken$1 = PunctuatorToken<":">; +type OpeningParenToken$1 = PunctuatorToken<"(">; +type ClosingParenToken$1 = PunctuatorToken<")">; +type OpeningBracketToken$1 = PunctuatorToken<"[">; +type ClosingBracketToken$1 = PunctuatorToken<"]">; +type OpeningBraceToken$1 = PunctuatorToken<"{">; +type ClosingBraceToken$1 = PunctuatorToken<"}">; + +declare function findVariable(initialScope: Scope$1, nameOrNode: string | Identifier): Variable | null; +type Scope$1 = eslint.Scope.Scope; +type Variable = eslint.Scope.Variable; +type Identifier = estree.Identifier; + +declare function getFunctionHeadLocation(node: FunctionNode$1, sourceCode: SourceCode$2): SourceLocation | null; +type SourceCode$2 = eslint.SourceCode; +type FunctionNode$1 = estree.Function; +type SourceLocation = estree.SourceLocation; + +declare function getFunctionNameWithKind(node: FunctionNode, sourceCode?: eslint.SourceCode | undefined): string; +type FunctionNode = estree.Function; + +declare function getInnermostScope(initialScope: Scope, node: Node$4): Scope; +type Scope = eslint.Scope.Scope; +type Node$4 = estree.Node; + +declare function getPropertyName(node: MemberExpression | MethodDefinition | Property | PropertyDefinition, initialScope?: eslint.Scope.Scope | undefined): string | null | undefined; +type MemberExpression = estree.MemberExpression; +type MethodDefinition = estree.MethodDefinition; +type Property = estree.Property; +type PropertyDefinition = estree.PropertyDefinition; + +declare function getStaticValue(node: Node$3, initialScope?: eslint.Scope.Scope | null | undefined): StaticValue$1 | null; +type StaticValue$1 = StaticValue$2; +type Node$3 = estree.Node; + +declare function getStringIfConstant(node: Node$2, initialScope?: eslint.Scope.Scope | null | undefined): string | null; +type Node$2 = estree.Node; + +declare function hasSideEffect(node: Node$1, sourceCode: SourceCode$1, options?: HasSideEffectOptions$1 | undefined): boolean; +type Node$1 = estree.Node; +type SourceCode$1 = eslint.SourceCode; + +declare function isArrowToken(token: CommentOrToken): token is ArrowToken$1; +declare function isCommaToken(token: CommentOrToken): token is CommaToken$1; +declare function isSemicolonToken(token: CommentOrToken): token is SemicolonToken$1; +declare function isColonToken(token: CommentOrToken): token is ColonToken$1; +declare function isOpeningParenToken(token: CommentOrToken): token is OpeningParenToken$1; +declare function isClosingParenToken(token: CommentOrToken): token is ClosingParenToken$1; +declare function isOpeningBracketToken(token: CommentOrToken): token is OpeningBracketToken$1; +declare function isClosingBracketToken(token: CommentOrToken): token is ClosingBracketToken$1; +declare function isOpeningBraceToken(token: CommentOrToken): token is OpeningBraceToken$1; +declare function isClosingBraceToken(token: CommentOrToken): token is ClosingBraceToken$1; +declare function isCommentToken(token: CommentOrToken): token is estree.Comment; +declare function isNotArrowToken(arg0: CommentOrToken): boolean; +declare function isNotCommaToken(arg0: CommentOrToken): boolean; +declare function isNotSemicolonToken(arg0: CommentOrToken): boolean; +declare function isNotColonToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningParenToken(arg0: CommentOrToken): boolean; +declare function isNotClosingParenToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningBracketToken(arg0: CommentOrToken): boolean; +declare function isNotClosingBracketToken(arg0: CommentOrToken): boolean; +declare function isNotOpeningBraceToken(arg0: CommentOrToken): boolean; +declare function isNotClosingBraceToken(arg0: CommentOrToken): boolean; +declare function isNotCommentToken(arg0: CommentOrToken): boolean; +type Token = eslint.AST.Token; +type Comment = estree.Comment; +type CommentOrToken = Comment | Token; + +declare function isParenthesized(timesOrNode: Node | number, nodeOrSourceCode: Node | SourceCode, optionalSourceCode?: eslint.SourceCode | undefined): boolean; +type Node = estree.Node; +type SourceCode = eslint.SourceCode; + +declare class PatternMatcher { + constructor(pattern: RegExp, options?: { + escaped?: boolean | undefined; + } | undefined); + execAll(str: string): IterableIterator; + test(str: string): boolean; + [Symbol.replace](str: string, replacer: string | ((...strs: string[]) => string)): string; +} + +declare namespace _default { + export { CALL }; + export { CONSTRUCT }; + export { ESM }; + export { findVariable }; + export { getFunctionHeadLocation }; + export { getFunctionNameWithKind }; + export { getInnermostScope }; + export { getPropertyName }; + export { getStaticValue }; + export { getStringIfConstant }; + export { hasSideEffect }; + export { isArrowToken }; + export { isClosingBraceToken }; + export { isClosingBracketToken }; + export { isClosingParenToken }; + export { isColonToken }; + export { isCommaToken }; + export { isCommentToken }; + export { isNotArrowToken }; + export { isNotClosingBraceToken }; + export { isNotClosingBracketToken }; + export { isNotClosingParenToken }; + export { isNotColonToken }; + export { isNotCommaToken }; + export { isNotCommentToken }; + export { isNotOpeningBraceToken }; + export { isNotOpeningBracketToken }; + export { isNotOpeningParenToken }; + export { isNotSemicolonToken }; + export { isOpeningBraceToken }; + export { isOpeningBracketToken }; + export { isOpeningParenToken }; + export { isParenthesized }; + export { isSemicolonToken }; + export { PatternMatcher }; + export { READ }; + export { ReferenceTracker }; +} + +type StaticValue = StaticValue$2; +type StaticValueOptional = StaticValueOptional$1; +type StaticValueProvided = StaticValueProvided$1; +type ReferenceTrackerOptions = ReferenceTrackerOptions$1; +type TraceMap = TraceMap$1; +type TrackedReferences = TrackedReferences$1; +type HasSideEffectOptions = HasSideEffectOptions$1; +type ArrowToken = ArrowToken$1; +type CommaToken = CommaToken$1; +type SemicolonToken = SemicolonToken$1; +type ColonToken = ColonToken$1; +type OpeningParenToken = OpeningParenToken$1; +type ClosingParenToken = ClosingParenToken$1; +type OpeningBracketToken = OpeningBracketToken$1; +type ClosingBracketToken = ClosingBracketToken$1; +type OpeningBraceToken = OpeningBraceToken$1; +type ClosingBraceToken = ClosingBraceToken$1; + +export { ArrowToken, CALL, CONSTRUCT, ClosingBraceToken, ClosingBracketToken, ClosingParenToken, ColonToken, CommaToken, ESM, HasSideEffectOptions, OpeningBraceToken, OpeningBracketToken, OpeningParenToken, PatternMatcher, READ, ReferenceTracker, ReferenceTrackerOptions, SemicolonToken, StaticValue, StaticValueOptional, StaticValueProvided, TraceMap, TrackedReferences, _default as default, findVariable, getFunctionHeadLocation, getFunctionNameWithKind, getInnermostScope, getPropertyName, getStaticValue, getStringIfConstant, hasSideEffect, isArrowToken, isClosingBraceToken, isClosingBracketToken, isClosingParenToken, isColonToken, isCommaToken, isCommentToken, isNotArrowToken, isNotClosingBraceToken, isNotClosingBracketToken, isNotClosingParenToken, isNotColonToken, isNotCommaToken, isNotCommentToken, isNotOpeningBraceToken, isNotOpeningBracketToken, isNotOpeningParenToken, isNotSemicolonToken, isOpeningBraceToken, isOpeningBracketToken, isOpeningParenToken, isParenthesized, isSemicolonToken }; diff --git a/node_modules/@eslint-community/eslint-utils/index.js b/node_modules/@eslint-community/eslint-utils/index.js new file mode 100644 index 000000000..0d76fb6fc --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/index.js @@ -0,0 +1,2607 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var eslintVisitorKeys = require('eslint-visitor-keys'); + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").Node} Node */ + +/** + * Get the innermost scope which contains a given location. + * @param {Scope} initialScope The initial scope to search. + * @param {Node} node The location to search. + * @returns {Scope} The innermost scope. + */ +function getInnermostScope(initialScope, node) { + const location = /** @type {[number, number]} */ (node.range)[0]; + + let scope = initialScope; + let found = false; + do { + found = false; + for (const childScope of scope.childScopes) { + const range = /** @type {[number, number]} */ ( + childScope.block.range + ); + + if (range[0] <= location && location < range[1]) { + scope = childScope; + found = true; + break + } + } + } while (found) + + return scope +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Find the variable of a given name. + * @param {Scope} initialScope The scope to start finding. + * @param {string|Identifier} nameOrNode The variable name to find. If this is a Node object then it should be an Identifier node. + * @returns {Variable|null} The found variable or null. + */ +function findVariable(initialScope, nameOrNode) { + let name = ""; + /** @type {Scope|null} */ + let scope = initialScope; + + if (typeof nameOrNode === "string") { + name = nameOrNode; + } else { + name = nameOrNode.name; + scope = getInnermostScope(scope, nameOrNode); + } + + while (scope != null) { + const variable = scope.set.get(name); + if (variable != null) { + return variable + } + scope = scope.upper; + } + + return null +} + +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("estree").Comment} Comment */ +/** @typedef {import("./types.mjs").ArrowToken} ArrowToken */ +/** @typedef {import("./types.mjs").CommaToken} CommaToken */ +/** @typedef {import("./types.mjs").SemicolonToken} SemicolonToken */ +/** @typedef {import("./types.mjs").ColonToken} ColonToken */ +/** @typedef {import("./types.mjs").OpeningParenToken} OpeningParenToken */ +/** @typedef {import("./types.mjs").ClosingParenToken} ClosingParenToken */ +/** @typedef {import("./types.mjs").OpeningBracketToken} OpeningBracketToken */ +/** @typedef {import("./types.mjs").ClosingBracketToken} ClosingBracketToken */ +/** @typedef {import("./types.mjs").OpeningBraceToken} OpeningBraceToken */ +/** @typedef {import("./types.mjs").ClosingBraceToken} ClosingBraceToken */ +/** + * @template {string} Value + * @typedef {import("./types.mjs").PunctuatorToken} PunctuatorToken + */ + +/** @typedef {Comment | Token} CommentOrToken */ + +/** + * Creates the negate function of the given function. + * @param {function(CommentOrToken):boolean} f - The function to negate. + * @returns {function(CommentOrToken):boolean} Negated function. + */ +function negate(f) { + return (token) => !f(token) +} + +/** + * Checks if the given token is a PunctuatorToken with the given value + * @template {string} Value + * @param {CommentOrToken} token - The token to check. + * @param {Value} value - The value to check. + * @returns {token is PunctuatorToken} `true` if the token is a PunctuatorToken with the given value. + */ +function isPunctuatorTokenWithValue(token, value) { + return token.type === "Punctuator" && token.value === value +} + +/** + * Checks if the given token is an arrow token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ArrowToken} `true` if the token is an arrow token. + */ +function isArrowToken(token) { + return isPunctuatorTokenWithValue(token, "=>") +} + +/** + * Checks if the given token is a comma token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is CommaToken} `true` if the token is a comma token. + */ +function isCommaToken(token) { + return isPunctuatorTokenWithValue(token, ",") +} + +/** + * Checks if the given token is a semicolon token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is SemicolonToken} `true` if the token is a semicolon token. + */ +function isSemicolonToken(token) { + return isPunctuatorTokenWithValue(token, ";") +} + +/** + * Checks if the given token is a colon token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ColonToken} `true` if the token is a colon token. + */ +function isColonToken(token) { + return isPunctuatorTokenWithValue(token, ":") +} + +/** + * Checks if the given token is an opening parenthesis token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningParenToken} `true` if the token is an opening parenthesis token. + */ +function isOpeningParenToken(token) { + return isPunctuatorTokenWithValue(token, "(") +} + +/** + * Checks if the given token is a closing parenthesis token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingParenToken} `true` if the token is a closing parenthesis token. + */ +function isClosingParenToken(token) { + return isPunctuatorTokenWithValue(token, ")") +} + +/** + * Checks if the given token is an opening square bracket token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningBracketToken} `true` if the token is an opening square bracket token. + */ +function isOpeningBracketToken(token) { + return isPunctuatorTokenWithValue(token, "[") +} + +/** + * Checks if the given token is a closing square bracket token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingBracketToken} `true` if the token is a closing square bracket token. + */ +function isClosingBracketToken(token) { + return isPunctuatorTokenWithValue(token, "]") +} + +/** + * Checks if the given token is an opening brace token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningBraceToken} `true` if the token is an opening brace token. + */ +function isOpeningBraceToken(token) { + return isPunctuatorTokenWithValue(token, "{") +} + +/** + * Checks if the given token is a closing brace token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingBraceToken} `true` if the token is a closing brace token. + */ +function isClosingBraceToken(token) { + return isPunctuatorTokenWithValue(token, "}") +} + +/** + * Checks if the given token is a comment token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is Comment} `true` if the token is a comment token. + */ +function isCommentToken(token) { + return ["Block", "Line", "Shebang"].includes(token.type) +} + +const isNotArrowToken = negate(isArrowToken); +const isNotCommaToken = negate(isCommaToken); +const isNotSemicolonToken = negate(isSemicolonToken); +const isNotColonToken = negate(isColonToken); +const isNotOpeningParenToken = negate(isOpeningParenToken); +const isNotClosingParenToken = negate(isClosingParenToken); +const isNotOpeningBracketToken = negate(isOpeningBracketToken); +const isNotClosingBracketToken = negate(isClosingBracketToken); +const isNotOpeningBraceToken = negate(isOpeningBraceToken); +const isNotClosingBraceToken = negate(isClosingBraceToken); +const isNotCommentToken = negate(isCommentToken); + +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("estree").Function} FunctionNode */ +/** @typedef {import("estree").FunctionDeclaration} FunctionDeclaration */ +/** @typedef {import("estree").FunctionExpression} FunctionExpression */ +/** @typedef {import("estree").SourceLocation} SourceLocation */ +/** @typedef {import("estree").Position} Position */ + +/** + * Get the `(` token of the given function node. + * @param {FunctionExpression | FunctionDeclaration} node - The function node to get. + * @param {SourceCode} sourceCode - The source code object to get tokens. + * @returns {Token} `(` token. + */ +function getOpeningParenOfParams(node, sourceCode) { + return node.id + ? /** @type {Token} */ ( + sourceCode.getTokenAfter(node.id, isOpeningParenToken) + ) + : /** @type {Token} */ ( + sourceCode.getFirstToken(node, isOpeningParenToken) + ) +} + +/** + * Get the location of the given function node for reporting. + * @param {FunctionNode} node - The function node to get. + * @param {SourceCode} sourceCode - The source code object to get tokens. + * @returns {SourceLocation|null} The location of the function node for reporting. + */ +function getFunctionHeadLocation(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + + /** @type {Position|null} */ + let start = null; + /** @type {Position|null} */ + let end = null; + + if (node.type === "ArrowFunctionExpression") { + const arrowToken = /** @type {Token} */ ( + sourceCode.getTokenBefore(node.body, isArrowToken) + ); + + start = arrowToken.loc.start; + end = arrowToken.loc.end; + } else if ( + parent.type === "Property" || + parent.type === "MethodDefinition" || + parent.type === "PropertyDefinition" + ) { + start = /** @type {SourceLocation} */ (parent.loc).start; + end = getOpeningParenOfParams(node, sourceCode).loc.start; + } else { + start = /** @type {SourceLocation} */ (node.loc).start; + end = getOpeningParenOfParams(node, sourceCode).loc.start; + } + + return { + start: { ...start }, + end: { ...end }, + } +} + +/* globals globalThis, global, self, window */ +/** @typedef {import("./types.mjs").StaticValue} StaticValue */ +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Node} TSESTreeNode */ +/** @typedef {import("@typescript-eslint/types").TSESTree.AST_NODE_TYPES} TSESTreeNodeTypes */ +/** @typedef {import("@typescript-eslint/types").TSESTree.MemberExpression} MemberExpression */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Property} Property */ +/** @typedef {import("@typescript-eslint/types").TSESTree.RegExpLiteral} RegExpLiteral */ +/** @typedef {import("@typescript-eslint/types").TSESTree.BigIntLiteral} BigIntLiteral */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Literal} Literal */ + +const globalObject = + typeof globalThis !== "undefined" + ? globalThis + : // @ts-ignore + typeof self !== "undefined" + ? // @ts-ignore + self + : // @ts-ignore + typeof window !== "undefined" + ? // @ts-ignore + window + : typeof global !== "undefined" + ? global + : {}; + +const builtinNames = Object.freeze( + new Set([ + "Array", + "ArrayBuffer", + "BigInt", + "BigInt64Array", + "BigUint64Array", + "Boolean", + "DataView", + "Date", + "decodeURI", + "decodeURIComponent", + "encodeURI", + "encodeURIComponent", + "escape", + "Float32Array", + "Float64Array", + "Function", + "Infinity", + "Int16Array", + "Int32Array", + "Int8Array", + "isFinite", + "isNaN", + "isPrototypeOf", + "JSON", + "Map", + "Math", + "NaN", + "Number", + "Object", + "parseFloat", + "parseInt", + "Promise", + "Proxy", + "Reflect", + "RegExp", + "Set", + "String", + "Symbol", + "Uint16Array", + "Uint32Array", + "Uint8Array", + "Uint8ClampedArray", + "undefined", + "unescape", + "WeakMap", + "WeakSet", + ]), +); +const callAllowed = new Set( + [ + Array.isArray, + Array.of, + Array.prototype.at, + Array.prototype.concat, + Array.prototype.entries, + Array.prototype.every, + Array.prototype.filter, + Array.prototype.find, + Array.prototype.findIndex, + Array.prototype.flat, + Array.prototype.includes, + Array.prototype.indexOf, + Array.prototype.join, + Array.prototype.keys, + Array.prototype.lastIndexOf, + Array.prototype.slice, + Array.prototype.some, + Array.prototype.toString, + Array.prototype.values, + typeof BigInt === "function" ? BigInt : undefined, + Boolean, + Date, + Date.parse, + decodeURI, + decodeURIComponent, + encodeURI, + encodeURIComponent, + escape, + isFinite, + isNaN, + // @ts-ignore + isPrototypeOf, + Map, + Map.prototype.entries, + Map.prototype.get, + Map.prototype.has, + Map.prototype.keys, + Map.prototype.values, + .../** @type {(keyof typeof Math)[]} */ ( + Object.getOwnPropertyNames(Math) + ) + .filter((k) => k !== "random") + .map((k) => Math[k]) + .filter((f) => typeof f === "function"), + Number, + Number.isFinite, + Number.isNaN, + Number.parseFloat, + Number.parseInt, + Number.prototype.toExponential, + Number.prototype.toFixed, + Number.prototype.toPrecision, + Number.prototype.toString, + Object, + Object.entries, + Object.is, + Object.isExtensible, + Object.isFrozen, + Object.isSealed, + Object.keys, + Object.values, + parseFloat, + parseInt, + RegExp, + Set, + Set.prototype.entries, + Set.prototype.has, + Set.prototype.keys, + Set.prototype.values, + String, + String.fromCharCode, + String.fromCodePoint, + String.raw, + String.prototype.at, + String.prototype.charAt, + String.prototype.charCodeAt, + String.prototype.codePointAt, + String.prototype.concat, + String.prototype.endsWith, + String.prototype.includes, + String.prototype.indexOf, + String.prototype.lastIndexOf, + String.prototype.normalize, + String.prototype.padEnd, + String.prototype.padStart, + String.prototype.slice, + String.prototype.startsWith, + String.prototype.substr, + String.prototype.substring, + String.prototype.toLowerCase, + String.prototype.toString, + String.prototype.toUpperCase, + String.prototype.trim, + String.prototype.trimEnd, + String.prototype.trimLeft, + String.prototype.trimRight, + String.prototype.trimStart, + Symbol.for, + Symbol.keyFor, + unescape, + ].filter((f) => typeof f === "function"), +); +const callPassThrough = new Set([ + Object.freeze, + Object.preventExtensions, + Object.seal, +]); + +/** @type {ReadonlyArray]>} */ +const getterAllowed = [ + [Map, new Set(["size"])], + [ + RegExp, + new Set([ + "dotAll", + "flags", + "global", + "hasIndices", + "ignoreCase", + "multiline", + "source", + "sticky", + "unicode", + ]), + ], + [Set, new Set(["size"])], +]; + +/** + * Get the property descriptor. + * @param {object} object The object to get. + * @param {string|number|symbol} name The property name to get. + */ +function getPropertyDescriptor(object, name) { + let x = object; + while ((typeof x === "object" || typeof x === "function") && x !== null) { + const d = Object.getOwnPropertyDescriptor(x, name); + if (d) { + return d + } + x = Object.getPrototypeOf(x); + } + return null +} + +/** + * Check if a property is getter or not. + * @param {object} object The object to check. + * @param {string|number|symbol} name The property name to check. + */ +function isGetter(object, name) { + const d = getPropertyDescriptor(object, name); + return d != null && d.get != null +} + +/** + * Get the element values of a given node list. + * @param {(Node|TSESTreeNode|null)[]} nodeList The node list to get values. + * @param {Scope|undefined|null} initialScope The initial scope to find variables. + * @returns {any[]|null} The value list if all nodes are constant. Otherwise, null. + */ +function getElementValues(nodeList, initialScope) { + const valueList = []; + + for (let i = 0; i < nodeList.length; ++i) { + const elementNode = nodeList[i]; + + if (elementNode == null) { + valueList.length = i + 1; + } else if (elementNode.type === "SpreadElement") { + const argument = getStaticValueR(elementNode.argument, initialScope); + if (argument == null) { + return null + } + valueList.push(.../** @type {Iterable} */ (argument.value)); + } else { + const element = getStaticValueR(elementNode, initialScope); + if (element == null) { + return null + } + valueList.push(element.value); + } + } + + return valueList +} + +/** + * Checks if a variable is a built-in global. + * @param {Variable|null} variable The variable to check. + * @returns {variable is Variable & {defs:[]}} + */ +function isBuiltinGlobal(variable) { + return ( + variable != null && + variable.defs.length === 0 && + builtinNames.has(variable.name) && + variable.name in globalObject + ) +} + +/** + * Checks if a variable can be considered as a constant. + * @param {Variable} variable + * @returns {variable is Variable & {defs: [import("eslint").Scope.Definition & { type: "Variable" }]}} True if the variable can be considered as a constant. + */ +function canBeConsideredConst(variable) { + if (variable.defs.length !== 1) { + return false + } + const def = variable.defs[0]; + return Boolean( + def.parent && + def.type === "Variable" && + (def.parent.kind === "const" || isEffectivelyConst(variable)), + ) +} + +/** + * Returns whether the given variable is never written to after initialization. + * @param {Variable} variable + * @returns {boolean} + */ +function isEffectivelyConst(variable) { + const refs = variable.references; + + const inits = refs.filter((r) => r.init).length; + const reads = refs.filter((r) => r.isReadOnly()).length; + if (inits === 1 && reads + inits === refs.length) { + // there is only one init and all other references only read + return true + } + return false +} + +/** + * Checks if a variable has mutation in its property. + * @param {Variable} variable The variable to check. + * @param {Scope|null} initialScope The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {boolean} True if the variable has mutation in its property. + */ +function hasMutationInProperty(variable, initialScope) { + for (const ref of variable.references) { + let node = /** @type {TSESTreeNode} */ (ref.identifier); + while (node && node.parent && node.parent.type === "MemberExpression") { + node = node.parent; + } + if (!node || !node.parent) { + continue + } + if ( + (node.parent.type === "AssignmentExpression" && + node.parent.left === node) || + (node.parent.type === "UpdateExpression" && + node.parent.argument === node) + ) { + // This is a mutation. + return true + } + if ( + node.parent.type === "CallExpression" && + node.parent.callee === node && + node.type === "MemberExpression" + ) { + const methodName = getStaticPropertyNameValue(node, initialScope); + if (isNameOfMutationArrayMethod(methodName)) { + // This is a mutation. + return true + } + } + } + return false + + /** + * Checks if a method name is one of the mutation array methods. + * @param {StaticValue|null} methodName The method name to check. + * @returns {boolean} True if the method name is a mutation array method. + */ + function isNameOfMutationArrayMethod(methodName) { + if (methodName == null || methodName.value == null) { + return false + } + const name = methodName.value; + return ( + name === "copyWithin" || + name === "fill" || + name === "pop" || + name === "push" || + name === "reverse" || + name === "shift" || + name === "sort" || + name === "splice" || + name === "unshift" + ) + } +} + +/** + * @template {TSESTreeNodeTypes} T + * @callback VisitorCallback + * @param {TSESTreeNode & { type: T }} node + * @param {Scope|undefined|null} initialScope + * @returns {StaticValue | null} + */ +/** + * @typedef { { [K in TSESTreeNodeTypes]?: VisitorCallback } } Operations + */ +/** + * @type {Operations} + */ +const operations = Object.freeze({ + ArrayExpression(node, initialScope) { + const elements = getElementValues(node.elements, initialScope); + return elements != null ? { value: elements } : null + }, + + AssignmentExpression(node, initialScope) { + if (node.operator === "=") { + return getStaticValueR(node.right, initialScope) + } + return null + }, + + //eslint-disable-next-line complexity + BinaryExpression(node, initialScope) { + if (node.operator === "in" || node.operator === "instanceof") { + // Not supported. + return null + } + + const left = getStaticValueR(node.left, initialScope); + const right = getStaticValueR(node.right, initialScope); + if (left != null && right != null) { + switch (node.operator) { + case "==": + return { value: left.value == right.value } //eslint-disable-line eqeqeq + case "!=": + return { value: left.value != right.value } //eslint-disable-line eqeqeq + case "===": + return { value: left.value === right.value } + case "!==": + return { value: left.value !== right.value } + case "<": + return { + value: + /** @type {any} */ (left.value) < + /** @type {any} */ (right.value), + } + case "<=": + return { + value: + /** @type {any} */ (left.value) <= + /** @type {any} */ (right.value), + } + case ">": + return { + value: + /** @type {any} */ (left.value) > + /** @type {any} */ (right.value), + } + case ">=": + return { + value: + /** @type {any} */ (left.value) >= + /** @type {any} */ (right.value), + } + case "<<": + return { + value: + /** @type {any} */ (left.value) << + /** @type {any} */ (right.value), + } + case ">>": + return { + value: + /** @type {any} */ (left.value) >> + /** @type {any} */ (right.value), + } + case ">>>": + return { + value: + /** @type {any} */ (left.value) >>> + /** @type {any} */ (right.value), + } + case "+": + return { + value: + /** @type {any} */ (left.value) + + /** @type {any} */ (right.value), + } + case "-": + return { + value: + /** @type {any} */ (left.value) - + /** @type {any} */ (right.value), + } + case "*": + return { + value: + /** @type {any} */ (left.value) * + /** @type {any} */ (right.value), + } + case "/": + return { + value: + /** @type {any} */ (left.value) / + /** @type {any} */ (right.value), + } + case "%": + return { + value: + /** @type {any} */ (left.value) % + /** @type {any} */ (right.value), + } + case "**": + return { + value: + /** @type {any} */ (left.value) ** + /** @type {any} */ (right.value), + } + case "|": + return { + value: + /** @type {any} */ (left.value) | + /** @type {any} */ (right.value), + } + case "^": + return { + value: + /** @type {any} */ (left.value) ^ + /** @type {any} */ (right.value), + } + case "&": + return { + value: + /** @type {any} */ (left.value) & + /** @type {any} */ (right.value), + } + + // no default + } + } + + return null + }, + + CallExpression(node, initialScope) { + const calleeNode = node.callee; + const args = getElementValues(node.arguments, initialScope); + + if (args != null) { + if (calleeNode.type === "MemberExpression") { + if (calleeNode.property.type === "PrivateIdentifier") { + return null + } + const object = getStaticValueR(calleeNode.object, initialScope); + if (object != null) { + if ( + object.value == null && + (object.optional || node.optional) + ) { + return { value: undefined, optional: true } + } + const property = getStaticPropertyNameValue( + calleeNode, + initialScope, + ); + + if (property != null) { + const receiver = + /** @type {Record any>} */ ( + object.value + ); + const methodName = /** @type {PropertyKey} */ ( + property.value + ); + if (callAllowed.has(receiver[methodName])) { + return { + value: receiver[methodName](...args), + } + } + if (callPassThrough.has(receiver[methodName])) { + return { value: args[0] } + } + } + } + } else { + const callee = getStaticValueR(calleeNode, initialScope); + if (callee != null) { + if (callee.value == null && node.optional) { + return { value: undefined, optional: true } + } + const func = /** @type {(...args: any[]) => any} */ ( + callee.value + ); + if (callAllowed.has(func)) { + return { value: func(...args) } + } + if (callPassThrough.has(func)) { + return { value: args[0] } + } + } + } + } + + return null + }, + + ConditionalExpression(node, initialScope) { + const test = getStaticValueR(node.test, initialScope); + if (test != null) { + return test.value + ? getStaticValueR(node.consequent, initialScope) + : getStaticValueR(node.alternate, initialScope) + } + return null + }, + + ExpressionStatement(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + + Identifier(node, initialScope) { + if (initialScope != null) { + const variable = findVariable(initialScope, node); + + if (variable != null) { + // Built-in globals. + if (isBuiltinGlobal(variable)) { + return { value: globalObject[variable.name] } + } + + // Constants. + if (canBeConsideredConst(variable)) { + const def = variable.defs[0]; + if ( + // TODO(mysticatea): don't support destructuring here. + def.node.id.type === "Identifier" + ) { + const init = getStaticValueR( + def.node.init, + initialScope, + ); + if ( + init && + typeof init.value === "object" && + init.value !== null + ) { + if (hasMutationInProperty(variable, initialScope)) { + // This variable has mutation in its property. + return null + } + } + return init + } + } + } + } + return null + }, + + Literal(node) { + const literal = + /** @type {Partial & Partial & Partial} */ ( + node + ); + //istanbul ignore if : this is implementation-specific behavior. + if ( + (literal.regex != null || literal.bigint != null) && + literal.value == null + ) { + // It was a RegExp/BigInt literal, but Node.js didn't support it. + return null + } + return { value: literal.value } + }, + + LogicalExpression(node, initialScope) { + const left = getStaticValueR(node.left, initialScope); + if (left != null) { + if ( + (node.operator === "||" && Boolean(left.value) === true) || + (node.operator === "&&" && Boolean(left.value) === false) || + (node.operator === "??" && left.value != null) + ) { + return left + } + + const right = getStaticValueR(node.right, initialScope); + if (right != null) { + return right + } + } + + return null + }, + + MemberExpression(node, initialScope) { + if (node.property.type === "PrivateIdentifier") { + return null + } + const object = getStaticValueR(node.object, initialScope); + if (object != null) { + if (object.value == null && (object.optional || node.optional)) { + return { value: undefined, optional: true } + } + const property = getStaticPropertyNameValue(node, initialScope); + + if (property != null) { + if ( + !isGetter( + /** @type {object} */ (object.value), + /** @type {PropertyKey} */ (property.value), + ) + ) { + return { + value: /** @type {Record} */ ( + object.value + )[/** @type {PropertyKey} */ (property.value)], + } + } + + for (const [classFn, allowed] of getterAllowed) { + if ( + object.value instanceof classFn && + allowed.has(/** @type {string} */ (property.value)) + ) { + return { + value: /** @type {Record} */ ( + object.value + )[/** @type {PropertyKey} */ (property.value)], + } + } + } + } + } + return null + }, + + ChainExpression(node, initialScope) { + const expression = getStaticValueR(node.expression, initialScope); + if (expression != null) { + return { value: expression.value } + } + return null + }, + + NewExpression(node, initialScope) { + const callee = getStaticValueR(node.callee, initialScope); + const args = getElementValues(node.arguments, initialScope); + + if (callee != null && args != null) { + const Func = /** @type {new (...args: any[]) => any} */ ( + callee.value + ); + if (callAllowed.has(Func)) { + return { value: new Func(...args) } + } + } + + return null + }, + + ObjectExpression(node, initialScope) { + /** @type {Record} */ + const object = {}; + + for (const propertyNode of node.properties) { + if (propertyNode.type === "Property") { + if (propertyNode.kind !== "init") { + return null + } + const key = getStaticPropertyNameValue( + propertyNode, + initialScope, + ); + const value = getStaticValueR(propertyNode.value, initialScope); + if (key == null || value == null) { + return null + } + object[/** @type {PropertyKey} */ (key.value)] = value.value; + } else if ( + propertyNode.type === "SpreadElement" || + // @ts-expect-error -- Backward compatibility + propertyNode.type === "ExperimentalSpreadProperty" + ) { + const argument = getStaticValueR( + propertyNode.argument, + initialScope, + ); + if (argument == null) { + return null + } + Object.assign(object, argument.value); + } else { + return null + } + } + + return { value: object } + }, + + SequenceExpression(node, initialScope) { + const last = node.expressions[node.expressions.length - 1]; + return getStaticValueR(last, initialScope) + }, + + TaggedTemplateExpression(node, initialScope) { + const tag = getStaticValueR(node.tag, initialScope); + const expressions = getElementValues( + node.quasi.expressions, + initialScope, + ); + + if (tag != null && expressions != null) { + const func = /** @type {(...args: any[]) => any} */ (tag.value); + /** @type {any[] & { raw?: string[] }} */ + const strings = node.quasi.quasis.map((q) => q.value.cooked); + strings.raw = node.quasi.quasis.map((q) => q.value.raw); + + if (func === String.raw) { + return { value: func(strings, ...expressions) } + } + } + + return null + }, + + TemplateLiteral(node, initialScope) { + const expressions = getElementValues(node.expressions, initialScope); + if (expressions != null) { + let value = node.quasis[0].value.cooked; + for (let i = 0; i < expressions.length; ++i) { + value += expressions[i]; + value += /** @type {string} */ (node.quasis[i + 1].value.cooked); + } + return { value } + } + return null + }, + + UnaryExpression(node, initialScope) { + if (node.operator === "delete") { + // Not supported. + return null + } + if (node.operator === "void") { + return { value: undefined } + } + + const arg = getStaticValueR(node.argument, initialScope); + if (arg != null) { + switch (node.operator) { + case "-": + return { value: -(/** @type {any} */ (arg.value)) } + case "+": + return { value: +(/** @type {any} */ (arg.value)) } //eslint-disable-line no-implicit-coercion + case "!": + return { value: !arg.value } + case "~": + return { value: ~(/** @type {any} */ (arg.value)) } + case "typeof": + return { value: typeof arg.value } + + // no default + } + } + + return null + }, + TSAsExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSSatisfiesExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSTypeAssertion(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSNonNullExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSInstantiationExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, +}); + +/** + * Get the value of a given node if it's a static value. + * @param {Node|TSESTreeNode|null|undefined} node The node to get. + * @param {Scope|undefined|null} initialScope The scope to start finding variable. + * @returns {StaticValue|null} The static value of the node, or `null`. + */ +function getStaticValueR(node, initialScope) { + if (node != null && Object.hasOwnProperty.call(operations, node.type)) { + return /** @type {VisitorCallback} */ (operations[node.type])( + /** @type {TSESTreeNode} */ (node), + initialScope, + ) + } + return null +} + +/** + * Get the static value of property name from a MemberExpression node or a Property node. + * @param {MemberExpression|Property} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {StaticValue|null} The static value of the property name of the node, or `null`. + */ +function getStaticPropertyNameValue(node, initialScope) { + const nameNode = node.type === "Property" ? node.key : node.property; + + if (node.computed) { + return getStaticValueR(nameNode, initialScope) + } + + if (nameNode.type === "Identifier") { + return { value: nameNode.name } + } + + if (nameNode.type === "Literal") { + if (/** @type {Partial} */ (nameNode).bigint) { + return { value: /** @type {BigIntLiteral} */ (nameNode).bigint } + } + return { value: String(nameNode.value) } + } + + return null +} + +/** + * Get the value of a given node if it's a static value. + * @param {Node} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If this scope was given, this tries to resolve identifier references which are in the given node as much as possible. + * @returns {StaticValue | null} The static value of the node, or `null`. + */ +function getStaticValue(node, initialScope = null) { + try { + return getStaticValueR(node, initialScope) + } catch (_error) { + return null + } +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("estree").RegExpLiteral} RegExpLiteral */ +/** @typedef {import("estree").BigIntLiteral} BigIntLiteral */ +/** @typedef {import("estree").SimpleLiteral} SimpleLiteral */ + +/** + * Get the value of a given node if it's a literal or a template literal. + * @param {Node} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is an Identifier node and this scope was given, this checks the variable of the identifier, and returns the value of it if the variable is a constant. + * @returns {string|null} The value of the node, or `null`. + */ +function getStringIfConstant(node, initialScope = null) { + // Handle the literals that the platform doesn't support natively. + if (node && node.type === "Literal" && node.value === null) { + const literal = + /** @type {Partial & Partial & Partial} */ ( + node + ); + if (literal.regex) { + return `/${literal.regex.pattern}/${literal.regex.flags}` + } + if (literal.bigint) { + return literal.bigint + } + } + + const evaluated = getStaticValue(node, initialScope); + + if (evaluated) { + // `String(Symbol.prototype)` throws error + try { + return String(evaluated.value) + } catch { + // No op + } + } + + return null +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").MemberExpression} MemberExpression */ +/** @typedef {import("estree").MethodDefinition} MethodDefinition */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").PropertyDefinition} PropertyDefinition */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Get the property name from a MemberExpression node or a Property node. + * @param {MemberExpression | MethodDefinition | Property | PropertyDefinition} node The node to get. + * @param {Scope} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {string|null|undefined} The property name of the node. + */ +function getPropertyName(node, initialScope) { + switch (node.type) { + case "MemberExpression": + if (node.computed) { + return getStringIfConstant(node.property, initialScope) + } + if (node.property.type === "PrivateIdentifier") { + return null + } + return /** @type {Partial} */ (node.property).name + + case "Property": + case "MethodDefinition": + case "PropertyDefinition": + if (node.computed) { + return getStringIfConstant(node.key, initialScope) + } + if (node.key.type === "Literal") { + return String(node.key.value) + } + if (node.key.type === "PrivateIdentifier") { + return null + } + return /** @type {Partial} */ (node.key).name + } + + return null +} + +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("estree").Function} FunctionNode */ +/** @typedef {import("estree").FunctionDeclaration} FunctionDeclaration */ +/** @typedef {import("estree").FunctionExpression} FunctionExpression */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Get the name and kind of the given function node. + * @param {FunctionNode} node - The function node to get. + * @param {SourceCode} [sourceCode] The source code object to get the code of computed property keys. + * @returns {string} The name and kind of the function node. + */ +// eslint-disable-next-line complexity +function getFunctionNameWithKind(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + const tokens = []; + const isObjectMethod = parent.type === "Property" && parent.value === node; + const isClassMethod = + parent.type === "MethodDefinition" && parent.value === node; + const isClassFieldMethod = + parent.type === "PropertyDefinition" && parent.value === node; + + // Modifiers. + if (isClassMethod || isClassFieldMethod) { + if (parent.static) { + tokens.push("static"); + } + if (parent.key.type === "PrivateIdentifier") { + tokens.push("private"); + } + } + if (node.async) { + tokens.push("async"); + } + if (node.generator) { + tokens.push("generator"); + } + + // Kinds. + if (isObjectMethod || isClassMethod) { + if (parent.kind === "constructor") { + return "constructor" + } + if (parent.kind === "get") { + tokens.push("getter"); + } else if (parent.kind === "set") { + tokens.push("setter"); + } else { + tokens.push("method"); + } + } else if (isClassFieldMethod) { + tokens.push("method"); + } else { + if (node.type === "ArrowFunctionExpression") { + tokens.push("arrow"); + } + tokens.push("function"); + } + + // Names. + if (isObjectMethod || isClassMethod || isClassFieldMethod) { + if (parent.key.type === "PrivateIdentifier") { + tokens.push(`#${parent.key.name}`); + } else { + const name = getPropertyName(parent); + if (name) { + tokens.push(`'${name}'`); + } else if (sourceCode) { + const keyText = sourceCode.getText(parent.key); + if (!keyText.includes("\n")) { + tokens.push(`[${keyText}]`); + } + } + } + } else if (hasId(node)) { + tokens.push(`'${node.id.name}'`); + } else if ( + parent.type === "VariableDeclarator" && + parent.id && + parent.id.type === "Identifier" + ) { + tokens.push(`'${parent.id.name}'`); + } else if ( + (parent.type === "AssignmentExpression" || + parent.type === "AssignmentPattern") && + parent.left && + parent.left.type === "Identifier" + ) { + tokens.push(`'${parent.left.name}'`); + } else if ( + parent.type === "ExportDefaultDeclaration" && + parent.declaration === node + ) { + tokens.push("'default'"); + } + + return tokens.join(" ") +} + +/** + * @param {FunctionNode} node + * @returns {node is FunctionDeclaration | FunctionExpression & { id: Identifier }} + */ +function hasId(node) { + return Boolean( + /** @type {Partial} */ (node) + .id, + ) +} + +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("./types.mjs").HasSideEffectOptions} HasSideEffectOptions */ +/** @typedef {import("estree").BinaryExpression} BinaryExpression */ +/** @typedef {import("estree").MemberExpression} MemberExpression */ +/** @typedef {import("estree").MethodDefinition} MethodDefinition */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").PropertyDefinition} PropertyDefinition */ +/** @typedef {import("estree").UnaryExpression} UnaryExpression */ + +const typeConversionBinaryOps = Object.freeze( + new Set([ + "==", + "!=", + "<", + "<=", + ">", + ">=", + "<<", + ">>", + ">>>", + "+", + "-", + "*", + "/", + "%", + "|", + "^", + "&", + "in", + ]), +); +const typeConversionUnaryOps = Object.freeze(new Set(["-", "+", "!", "~"])); + +/** + * Check whether the given value is an ASTNode or not. + * @param {any} x The value to check. + * @returns {x is Node} `true` if the value is an ASTNode. + */ +function isNode(x) { + return x !== null && typeof x === "object" && typeof x.type === "string" +} + +const visitor = Object.freeze( + Object.assign(Object.create(null), { + /** + * @param {Node} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + $visit(node, options, visitorKeys) { + const { type } = node; + + if (typeof (/** @type {any} */ (this)[type]) === "function") { + return /** @type {any} */ (this)[type]( + node, + options, + visitorKeys, + ) + } + + return this.$visitChildren(node, options, visitorKeys) + }, + + /** + * @param {Node} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + $visitChildren(node, options, visitorKeys) { + const { type } = node; + + for (const key of /** @type {(keyof Node)[]} */ ( + visitorKeys[type] || eslintVisitorKeys.getKeys(node) + )) { + const value = node[key]; + + if (Array.isArray(value)) { + for (const element of value) { + if ( + isNode(element) && + this.$visit(element, options, visitorKeys) + ) { + return true + } + } + } else if ( + isNode(value) && + this.$visit(value, options, visitorKeys) + ) { + return true + } + } + + return false + }, + + ArrowFunctionExpression() { + return false + }, + AssignmentExpression() { + return true + }, + AwaitExpression() { + return true + }, + /** + * @param {BinaryExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + BinaryExpression(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + typeConversionBinaryOps.has(node.operator) && + (node.left.type !== "Literal" || node.right.type !== "Literal") + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + CallExpression() { + return true + }, + FunctionExpression() { + return false + }, + ImportExpression() { + return true + }, + /** + * @param {MemberExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + MemberExpression(node, options, visitorKeys) { + if (options.considerGetters) { + return true + } + if ( + options.considerImplicitTypeConversion && + node.computed && + node.property.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {MethodDefinition} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + MethodDefinition(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + NewExpression() { + return true + }, + /** + * @param {Property} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + Property(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {PropertyDefinition} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + PropertyDefinition(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {UnaryExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + UnaryExpression(node, options, visitorKeys) { + if (node.operator === "delete") { + return true + } + if ( + options.considerImplicitTypeConversion && + typeConversionUnaryOps.has(node.operator) && + node.argument.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + UpdateExpression() { + return true + }, + YieldExpression() { + return true + }, + }), +); + +/** + * Check whether a given node has any side effect or not. + * @param {Node} node The node to get. + * @param {SourceCode} sourceCode The source code object. + * @param {HasSideEffectOptions} [options] The option object. + * @returns {boolean} `true` if the node has a certain side effect. + */ +function hasSideEffect(node, sourceCode, options = {}) { + const { considerGetters = false, considerImplicitTypeConversion = false } = + options; + return visitor.$visit( + node, + { considerGetters, considerImplicitTypeConversion }, + sourceCode.visitorKeys || eslintVisitorKeys.KEYS, + ) +} + +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("@typescript-eslint/types").TSESTree.NewExpression} TSNewExpression */ +/** @typedef {import("@typescript-eslint/types").TSESTree.CallExpression} TSCallExpression */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("eslint").Rule.Node} RuleNode */ + +/** + * Get the left parenthesis of the parent node syntax if it exists. + * E.g., `if (a) {}` then the `(`. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {Token|null} The left parenthesis of the parent node syntax + */ +// eslint-disable-next-line complexity +function getParentSyntaxParen(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + + switch (parent.type) { + case "CallExpression": + case "NewExpression": + if (parent.arguments.length === 1 && parent.arguments[0] === node) { + return sourceCode.getTokenAfter( + // @ts-expect-error https://github.com/typescript-eslint/typescript-eslint/pull/5384 + parent.typeArguments || + /** @type {RuleNode} */ ( + /** @type {unknown} */ ( + /** @type {TSNewExpression | TSCallExpression} */ ( + parent + ).typeParameters + ) + ) || + parent.callee, + isOpeningParenToken, + ) + } + return null + + case "DoWhileStatement": + if (parent.test === node) { + return sourceCode.getTokenAfter( + parent.body, + isOpeningParenToken, + ) + } + return null + + case "IfStatement": + case "WhileStatement": + if (parent.test === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "ImportExpression": + if (parent.source === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "SwitchStatement": + if (parent.discriminant === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "WithStatement": + if (parent.object === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + default: + return null + } +} + +/** + * Check whether a given node is parenthesized or not. + * @param {number} times The number of parantheses. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {boolean} `true` if the node is parenthesized the given times. + */ +/** + * Check whether a given node is parenthesized or not. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {boolean} `true` if the node is parenthesized. + */ +/** + * Check whether a given node is parenthesized or not. + * @param {Node|number} timesOrNode The first parameter. + * @param {Node|SourceCode} nodeOrSourceCode The second parameter. + * @param {SourceCode} [optionalSourceCode] The third parameter. + * @returns {boolean} `true` if the node is parenthesized. + */ +function isParenthesized( + timesOrNode, + nodeOrSourceCode, + optionalSourceCode, +) { + /** @type {number} */ + let times, + /** @type {RuleNode} */ + node, + /** @type {SourceCode} */ + sourceCode, + maybeLeftParen, + maybeRightParen; + if (typeof timesOrNode === "number") { + times = timesOrNode | 0; + node = /** @type {RuleNode} */ (nodeOrSourceCode); + sourceCode = /** @type {SourceCode} */ (optionalSourceCode); + if (!(times >= 1)) { + throw new TypeError("'times' should be a positive integer.") + } + } else { + times = 1; + node = /** @type {RuleNode} */ (timesOrNode); + sourceCode = /** @type {SourceCode} */ (nodeOrSourceCode); + } + + if ( + node == null || + // `Program` can't be parenthesized + node.parent == null || + // `CatchClause.param` can't be parenthesized, example `try {} catch (error) {}` + (node.parent.type === "CatchClause" && node.parent.param === node) + ) { + return false + } + + maybeLeftParen = maybeRightParen = node; + do { + maybeLeftParen = sourceCode.getTokenBefore(maybeLeftParen); + maybeRightParen = sourceCode.getTokenAfter(maybeRightParen); + } while ( + maybeLeftParen != null && + maybeRightParen != null && + isOpeningParenToken(maybeLeftParen) && + isClosingParenToken(maybeRightParen) && + // Avoid false positive such as `if (a) {}` + maybeLeftParen !== getParentSyntaxParen(node, sourceCode) && + --times > 0 + ) + + return times === 0 +} + +/** + * @author Toru Nagashima + * See LICENSE file in root directory for full license. + */ + +const placeholder = /\$(?:[$&`']|[1-9][0-9]?)/gu; + +/** @type {WeakMap} */ +const internal = new WeakMap(); + +/** + * Check whether a given character is escaped or not. + * @param {string} str The string to check. + * @param {number} index The location of the character to check. + * @returns {boolean} `true` if the character is escaped. + */ +function isEscaped(str, index) { + let escaped = false; + for (let i = index - 1; i >= 0 && str.charCodeAt(i) === 0x5c; --i) { + escaped = !escaped; + } + return escaped +} + +/** + * Replace a given string by a given matcher. + * @param {PatternMatcher} matcher The pattern matcher. + * @param {string} str The string to be replaced. + * @param {string} replacement The new substring to replace each matched part. + * @returns {string} The replaced string. + */ +function replaceS(matcher, str, replacement) { + const chunks = []; + let index = 0; + + /** + * @param {string} key The placeholder. + * @param {RegExpExecArray} match The matched information. + * @returns {string} The replaced string. + */ + function replacer(key, match) { + switch (key) { + case "$$": + return "$" + case "$&": + return match[0] + case "$`": + return str.slice(0, match.index) + case "$'": + return str.slice(match.index + match[0].length) + default: { + const i = key.slice(1); + if (i in match) { + return match[/** @type {any} */ (i)] + } + return key + } + } + } + + for (const match of matcher.execAll(str)) { + chunks.push(str.slice(index, match.index)); + chunks.push( + replacement.replace(placeholder, (key) => replacer(key, match)), + ); + index = match.index + match[0].length; + } + chunks.push(str.slice(index)); + + return chunks.join("") +} + +/** + * Replace a given string by a given matcher. + * @param {PatternMatcher} matcher The pattern matcher. + * @param {string} str The string to be replaced. + * @param {(substring: string, ...args: any[]) => string} replace The function to replace each matched part. + * @returns {string} The replaced string. + */ +function replaceF(matcher, str, replace) { + const chunks = []; + let index = 0; + + for (const match of matcher.execAll(str)) { + chunks.push(str.slice(index, match.index)); + chunks.push( + String( + replace( + .../** @type {[string, ...string[]]} */ ( + /** @type {string[]} */ (match) + ), + match.index, + match.input, + ), + ), + ); + index = match.index + match[0].length; + } + chunks.push(str.slice(index)); + + return chunks.join("") +} + +/** + * The class to find patterns as considering escape sequences. + */ +class PatternMatcher { + /** + * Initialize this matcher. + * @param {RegExp} pattern The pattern to match. + * @param {{escaped?:boolean}} [options] The options. + */ + constructor(pattern, options = {}) { + const { escaped = false } = options; + if (!(pattern instanceof RegExp)) { + throw new TypeError("'pattern' should be a RegExp instance.") + } + if (!pattern.flags.includes("g")) { + throw new Error("'pattern' should contains 'g' flag.") + } + + internal.set(this, { + pattern: new RegExp(pattern.source, pattern.flags), + escaped: Boolean(escaped), + }); + } + + /** + * Find the pattern in a given string. + * @param {string} str The string to find. + * @returns {IterableIterator} The iterator which iterate the matched information. + */ + *execAll(str) { + const { pattern, escaped } = + /** @type {{pattern:RegExp,escaped:boolean}} */ (internal.get(this)); + let match = null; + let lastIndex = 0; + + pattern.lastIndex = 0; + while ((match = pattern.exec(str)) != null) { + if (escaped || !isEscaped(str, match.index)) { + lastIndex = pattern.lastIndex; + yield match; + pattern.lastIndex = lastIndex; + } + } + } + + /** + * Check whether the pattern is found in a given string. + * @param {string} str The string to check. + * @returns {boolean} `true` if the pattern was found in the string. + */ + test(str) { + const it = this.execAll(str); + const ret = it.next(); + return !ret.done + } + + /** + * Replace a given string. + * @param {string} str The string to be replaced. + * @param {(string|((...strs:string[])=>string))} replacer The string or function to replace. This is the same as the 2nd argument of `String.prototype.replace`. + * @returns {string} The replaced string. + */ + [Symbol.replace](str, replacer) { + return typeof replacer === "function" + ? replaceF(this, String(str), replacer) + : replaceS(this, String(str), String(replacer)) + } +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("estree").Expression} Expression */ +/** @typedef {import("estree").Pattern} Pattern */ +/** @typedef {import("estree").Identifier} Identifier */ +/** @typedef {import("estree").SimpleCallExpression} CallExpression */ +/** @typedef {import("estree").Program} Program */ +/** @typedef {import("estree").ImportDeclaration} ImportDeclaration */ +/** @typedef {import("estree").ExportAllDeclaration} ExportAllDeclaration */ +/** @typedef {import("estree").ExportDefaultDeclaration} ExportDefaultDeclaration */ +/** @typedef {import("estree").ExportNamedDeclaration} ExportNamedDeclaration */ +/** @typedef {import("estree").ImportSpecifier} ImportSpecifier */ +/** @typedef {import("estree").ImportDefaultSpecifier} ImportDefaultSpecifier */ +/** @typedef {import("estree").ImportNamespaceSpecifier} ImportNamespaceSpecifier */ +/** @typedef {import("estree").ExportSpecifier} ExportSpecifier */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").AssignmentProperty} AssignmentProperty */ +/** @typedef {import("estree").Literal} Literal */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Node} TSESTreeNode */ +/** @typedef {import("./types.mjs").ReferenceTrackerOptions} ReferenceTrackerOptions */ +/** + * @template T + * @typedef {import("./types.mjs").TraceMap} TraceMap + */ +/** + * @template T + * @typedef {import("./types.mjs").TraceMapObject} TraceMapObject + */ +/** + * @template T + * @typedef {import("./types.mjs").TrackedReferences} TrackedReferences + */ + +const IMPORT_TYPE = /^(?:Import|Export(?:All|Default|Named))Declaration$/u; + +/** + * Check whether a given node is an import node or not. + * @param {Node} node + * @returns {node is ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration&{source: Literal}} `true` if the node is an import node. + */ +function isHasSource(node) { + return ( + IMPORT_TYPE.test(node.type) && + /** @type {ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration} */ ( + node + ).source != null + ) +} +const has = + /** @type {(traceMap: TraceMap, v: T) => v is (string extends T ? string : T)} */ ( + Function.call.bind(Object.hasOwnProperty) + ); + +const READ = Symbol("read"); +const CALL = Symbol("call"); +const CONSTRUCT = Symbol("construct"); +const ESM = Symbol("esm"); + +const requireCall = { require: { [CALL]: true } }; + +/** + * Check whether a given variable is modified or not. + * @param {Variable|undefined} variable The variable to check. + * @returns {boolean} `true` if the variable is modified. + */ +function isModifiedGlobal(variable) { + return ( + variable == null || + variable.defs.length !== 0 || + variable.references.some((r) => r.isWrite()) + ) +} + +/** + * Check if the value of a given node is passed through to the parent syntax as-is. + * For example, `a` and `b` in (`a || b` and `c ? a : b`) are passed through. + * @param {Node} node A node to check. + * @returns {node is RuleNode & {parent: Expression}} `true` if the node is passed through. + */ +function isPassThrough(node) { + const parent = /** @type {TSESTreeNode} */ (node).parent; + + if (parent) { + switch (parent.type) { + case "ConditionalExpression": + return parent.consequent === node || parent.alternate === node + case "LogicalExpression": + return true + case "SequenceExpression": + return ( + parent.expressions[parent.expressions.length - 1] === node + ) + case "ChainExpression": + return true + case "TSAsExpression": + case "TSSatisfiesExpression": + case "TSTypeAssertion": + case "TSNonNullExpression": + case "TSInstantiationExpression": + return true + + default: + return false + } + } + return false +} + +/** + * The reference tracker. + */ +class ReferenceTracker { + /** + * Initialize this tracker. + * @param {Scope} globalScope The global scope. + * @param {object} [options] The options. + * @param {"legacy"|"strict"} [options.mode="strict"] The mode to determine the ImportDeclaration's behavior for CJS modules. + * @param {string[]} [options.globalObjectNames=["global","globalThis","self","window"]] The variable names for Global Object. + */ + constructor(globalScope, options = {}) { + const { + mode = "strict", + globalObjectNames = ["global", "globalThis", "self", "window"], + } = options; + /** @private @type {Variable[]} */ + this.variableStack = []; + /** @private */ + this.globalScope = globalScope; + /** @private */ + this.mode = mode; + /** @private */ + this.globalObjectNames = globalObjectNames.slice(0); + } + + /** + * Iterate the references of global variables. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateGlobalReferences(traceMap) { + for (const key of Object.keys(traceMap)) { + const nextTraceMap = traceMap[key]; + const path = [key]; + const variable = this.globalScope.set.get(key); + + if (isModifiedGlobal(variable)) { + continue + } + + yield* this._iterateVariableReferences( + /** @type {Variable} */ (variable), + path, + nextTraceMap, + true, + ); + } + + for (const key of this.globalObjectNames) { + /** @type {string[]} */ + const path = []; + const variable = this.globalScope.set.get(key); + + if (isModifiedGlobal(variable)) { + continue + } + + yield* this._iterateVariableReferences( + /** @type {Variable} */ (variable), + path, + traceMap, + false, + ); + } + } + + /** + * Iterate the references of CommonJS modules. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateCjsReferences(traceMap) { + for (const { node } of this.iterateGlobalReferences(requireCall)) { + const key = getStringIfConstant( + /** @type {CallExpression} */ (node).arguments[0], + ); + if (key == null || !has(traceMap, key)) { + continue + } + + const nextTraceMap = traceMap[key]; + const path = [key]; + + if (nextTraceMap[READ]) { + yield { + node, + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iteratePropertyReferences( + /** @type {CallExpression} */ (node), + path, + nextTraceMap, + ); + } + } + + /** + * Iterate the references of ES modules. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateEsmReferences(traceMap) { + const programNode = /** @type {Program} */ (this.globalScope.block); + + for (const node of programNode.body) { + if (!isHasSource(node)) { + continue + } + const moduleId = /** @type {string} */ (node.source.value); + + if (!has(traceMap, moduleId)) { + continue + } + const nextTraceMap = traceMap[moduleId]; + const path = [moduleId]; + + if (nextTraceMap[READ]) { + yield { + // eslint-disable-next-line object-shorthand -- apply type + node: /** @type {RuleNode} */ (node), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + + if (node.type === "ExportAllDeclaration") { + for (const key of Object.keys(nextTraceMap)) { + const exportTraceMap = nextTraceMap[key]; + if (exportTraceMap[READ]) { + yield { + // eslint-disable-next-line object-shorthand -- apply type + node: /** @type {RuleNode} */ (node), + path: path.concat(key), + type: READ, + info: exportTraceMap[READ], + }; + } + } + } else { + for (const specifier of node.specifiers) { + const esm = has(nextTraceMap, ESM); + const it = this._iterateImportReferences( + specifier, + path, + esm + ? nextTraceMap + : this.mode === "legacy" + ? { default: nextTraceMap, ...nextTraceMap } + : { default: nextTraceMap }, + ); + + if (esm) { + yield* it; + } else { + for (const report of it) { + report.path = report.path.filter(exceptDefault); + if ( + report.path.length >= 2 || + report.type !== READ + ) { + yield report; + } + } + } + } + } + } + } + + /** + * Iterate the property references for a given expression AST node. + * @template T + * @param {Expression} node The expression AST node to iterate property references. + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate property references. + */ + *iteratePropertyReferences(node, traceMap) { + yield* this._iteratePropertyReferences(node, [], traceMap); + } + + /** + * Iterate the references for a given variable. + * @private + * @template T + * @param {Variable} variable The variable to iterate that references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @param {boolean} shouldReport = The flag to report those references. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateVariableReferences(variable, path, traceMap, shouldReport) { + if (this.variableStack.includes(variable)) { + return + } + this.variableStack.push(variable); + try { + for (const reference of variable.references) { + if (!reference.isRead()) { + continue + } + const node = /** @type {RuleNode & Identifier} */ ( + reference.identifier + ); + + if (shouldReport && traceMap[READ]) { + yield { node, path, type: READ, info: traceMap[READ] }; + } + yield* this._iteratePropertyReferences(node, path, traceMap); + } + } finally { + this.variableStack.pop(); + } + } + + /** + * Iterate the references for a given AST node. + * @private + * @template T + * @param {Expression} rootNode The AST node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + //eslint-disable-next-line complexity + *_iteratePropertyReferences(rootNode, path, traceMap) { + let node = rootNode; + while (isPassThrough(node)) { + node = node.parent; + } + + const parent = /** @type {RuleNode} */ (node).parent; + if (parent.type === "MemberExpression") { + if (parent.object === node) { + const key = getPropertyName(parent); + if (key == null || !has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: parent, + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iteratePropertyReferences( + parent, + path, + nextTraceMap, + ); + } + return + } + if (parent.type === "CallExpression") { + if (parent.callee === node && traceMap[CALL]) { + yield { node: parent, path, type: CALL, info: traceMap[CALL] }; + } + return + } + if (parent.type === "NewExpression") { + if (parent.callee === node && traceMap[CONSTRUCT]) { + yield { + node: parent, + path, + type: CONSTRUCT, + info: traceMap[CONSTRUCT], + }; + } + return + } + if (parent.type === "AssignmentExpression") { + if (parent.right === node) { + yield* this._iterateLhsReferences(parent.left, path, traceMap); + yield* this._iteratePropertyReferences(parent, path, traceMap); + } + return + } + if (parent.type === "AssignmentPattern") { + if (parent.right === node) { + yield* this._iterateLhsReferences(parent.left, path, traceMap); + } + return + } + if (parent.type === "VariableDeclarator") { + if (parent.init === node) { + yield* this._iterateLhsReferences(parent.id, path, traceMap); + } + } + } + + /** + * Iterate the references for a given Pattern node. + * @private + * @template T + * @param {Pattern} patternNode The Pattern node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateLhsReferences(patternNode, path, traceMap) { + if (patternNode.type === "Identifier") { + const variable = findVariable(this.globalScope, patternNode); + if (variable != null) { + yield* this._iterateVariableReferences( + variable, + path, + traceMap, + false, + ); + } + return + } + if (patternNode.type === "ObjectPattern") { + for (const property of patternNode.properties) { + const key = getPropertyName( + /** @type {AssignmentProperty} */ (property), + ); + + if (key == null || !has(traceMap, key)) { + continue + } + + const nextPath = path.concat(key); + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (property), + path: nextPath, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iterateLhsReferences( + /** @type {AssignmentProperty} */ (property).value, + nextPath, + nextTraceMap, + ); + } + return + } + if (patternNode.type === "AssignmentPattern") { + yield* this._iterateLhsReferences(patternNode.left, path, traceMap); + } + } + + /** + * Iterate the references for a given ModuleSpecifier node. + * @private + * @template T + * @param {ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier} specifierNode The ModuleSpecifier node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateImportReferences(specifierNode, path, traceMap) { + const type = specifierNode.type; + + if (type === "ImportSpecifier" || type === "ImportDefaultSpecifier") { + const key = + type === "ImportDefaultSpecifier" + ? "default" + : specifierNode.imported.type === "Identifier" + ? specifierNode.imported.name + : specifierNode.imported.value; + if (!has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (specifierNode), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iterateVariableReferences( + /** @type {Variable} */ ( + findVariable(this.globalScope, specifierNode.local) + ), + path, + nextTraceMap, + false, + ); + + return + } + + if (type === "ImportNamespaceSpecifier") { + yield* this._iterateVariableReferences( + /** @type {Variable} */ ( + findVariable(this.globalScope, specifierNode.local) + ), + path, + traceMap, + false, + ); + return + } + + if (type === "ExportSpecifier") { + const key = + specifierNode.local.type === "Identifier" + ? specifierNode.local.name + : specifierNode.local.value; + if (!has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (specifierNode), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + } + } +} + +ReferenceTracker.READ = READ; +ReferenceTracker.CALL = CALL; +ReferenceTracker.CONSTRUCT = CONSTRUCT; +ReferenceTracker.ESM = ESM; + +/** + * This is a predicate function for Array#filter. + * @param {string} name A name part. + * @param {number} index The index of the name. + * @returns {boolean} `false` if it's default. + */ +function exceptDefault(name, index) { + return !(index === 1 && name === "default") +} + +/** @typedef {import("./types.mjs").StaticValue} StaticValue */ + +var index = { + CALL, + CONSTRUCT, + ESM, + findVariable, + getFunctionHeadLocation, + getFunctionNameWithKind, + getInnermostScope, + getPropertyName, + getStaticValue, + getStringIfConstant, + hasSideEffect, + isArrowToken, + isClosingBraceToken, + isClosingBracketToken, + isClosingParenToken, + isColonToken, + isCommaToken, + isCommentToken, + isNotArrowToken, + isNotClosingBraceToken, + isNotClosingBracketToken, + isNotClosingParenToken, + isNotColonToken, + isNotCommaToken, + isNotCommentToken, + isNotOpeningBraceToken, + isNotOpeningBracketToken, + isNotOpeningParenToken, + isNotSemicolonToken, + isOpeningBraceToken, + isOpeningBracketToken, + isOpeningParenToken, + isParenthesized, + isSemicolonToken, + PatternMatcher, + READ, + ReferenceTracker, +}; + +exports.CALL = CALL; +exports.CONSTRUCT = CONSTRUCT; +exports.ESM = ESM; +exports.PatternMatcher = PatternMatcher; +exports.READ = READ; +exports.ReferenceTracker = ReferenceTracker; +exports["default"] = index; +exports.findVariable = findVariable; +exports.getFunctionHeadLocation = getFunctionHeadLocation; +exports.getFunctionNameWithKind = getFunctionNameWithKind; +exports.getInnermostScope = getInnermostScope; +exports.getPropertyName = getPropertyName; +exports.getStaticValue = getStaticValue; +exports.getStringIfConstant = getStringIfConstant; +exports.hasSideEffect = hasSideEffect; +exports.isArrowToken = isArrowToken; +exports.isClosingBraceToken = isClosingBraceToken; +exports.isClosingBracketToken = isClosingBracketToken; +exports.isClosingParenToken = isClosingParenToken; +exports.isColonToken = isColonToken; +exports.isCommaToken = isCommaToken; +exports.isCommentToken = isCommentToken; +exports.isNotArrowToken = isNotArrowToken; +exports.isNotClosingBraceToken = isNotClosingBraceToken; +exports.isNotClosingBracketToken = isNotClosingBracketToken; +exports.isNotClosingParenToken = isNotClosingParenToken; +exports.isNotColonToken = isNotColonToken; +exports.isNotCommaToken = isNotCommaToken; +exports.isNotCommentToken = isNotCommentToken; +exports.isNotOpeningBraceToken = isNotOpeningBraceToken; +exports.isNotOpeningBracketToken = isNotOpeningBracketToken; +exports.isNotOpeningParenToken = isNotOpeningParenToken; +exports.isNotSemicolonToken = isNotSemicolonToken; +exports.isOpeningBraceToken = isOpeningBraceToken; +exports.isOpeningBracketToken = isOpeningBracketToken; +exports.isOpeningParenToken = isOpeningParenToken; +exports.isParenthesized = isParenthesized; +exports.isSemicolonToken = isSemicolonToken; +//# sourceMappingURL=index.js.map diff --git a/node_modules/@eslint-community/eslint-utils/index.js.map b/node_modules/@eslint-community/eslint-utils/index.js.map new file mode 100644 index 000000000..72dfccd7b --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/index.js.map @@ -0,0 +1 @@ +{"version":3,"file":"index.js","sources":["src/get-innermost-scope.mjs","src/find-variable.mjs","src/token-predicate.mjs","src/get-function-head-location.mjs","src/get-static-value.mjs","src/get-string-if-constant.mjs","src/get-property-name.mjs","src/get-function-name-with-kind.mjs","src/has-side-effect.mjs","src/is-parenthesized.mjs","src/pattern-matcher.mjs","src/reference-tracker.mjs","src/index.mjs"],"sourcesContent":["/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").Node} Node */\n\n/**\n * Get the innermost scope which contains a given location.\n * @param {Scope} initialScope The initial scope to search.\n * @param {Node} node The location to search.\n * @returns {Scope} The innermost scope.\n */\nexport function getInnermostScope(initialScope, node) {\n const location = /** @type {[number, number]} */ (node.range)[0]\n\n let scope = initialScope\n let found = false\n do {\n found = false\n for (const childScope of scope.childScopes) {\n const range = /** @type {[number, number]} */ (\n childScope.block.range\n )\n\n if (range[0] <= location && location < range[1]) {\n scope = childScope\n found = true\n break\n }\n }\n } while (found)\n\n return scope\n}\n","import { getInnermostScope } from \"./get-innermost-scope.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Find the variable of a given name.\n * @param {Scope} initialScope The scope to start finding.\n * @param {string|Identifier} nameOrNode The variable name to find. If this is a Node object then it should be an Identifier node.\n * @returns {Variable|null} The found variable or null.\n */\nexport function findVariable(initialScope, nameOrNode) {\n let name = \"\"\n /** @type {Scope|null} */\n let scope = initialScope\n\n if (typeof nameOrNode === \"string\") {\n name = nameOrNode\n } else {\n name = nameOrNode.name\n scope = getInnermostScope(scope, nameOrNode)\n }\n\n while (scope != null) {\n const variable = scope.set.get(name)\n if (variable != null) {\n return variable\n }\n scope = scope.upper\n }\n\n return null\n}\n","/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"estree\").Comment} Comment */\n/** @typedef {import(\"./types.mjs\").ArrowToken} ArrowToken */\n/** @typedef {import(\"./types.mjs\").CommaToken} CommaToken */\n/** @typedef {import(\"./types.mjs\").SemicolonToken} SemicolonToken */\n/** @typedef {import(\"./types.mjs\").ColonToken} ColonToken */\n/** @typedef {import(\"./types.mjs\").OpeningParenToken} OpeningParenToken */\n/** @typedef {import(\"./types.mjs\").ClosingParenToken} ClosingParenToken */\n/** @typedef {import(\"./types.mjs\").OpeningBracketToken} OpeningBracketToken */\n/** @typedef {import(\"./types.mjs\").ClosingBracketToken} ClosingBracketToken */\n/** @typedef {import(\"./types.mjs\").OpeningBraceToken} OpeningBraceToken */\n/** @typedef {import(\"./types.mjs\").ClosingBraceToken} ClosingBraceToken */\n/**\n * @template {string} Value\n * @typedef {import(\"./types.mjs\").PunctuatorToken} PunctuatorToken\n */\n\n/** @typedef {Comment | Token} CommentOrToken */\n\n/**\n * Creates the negate function of the given function.\n * @param {function(CommentOrToken):boolean} f - The function to negate.\n * @returns {function(CommentOrToken):boolean} Negated function.\n */\nfunction negate(f) {\n return (token) => !f(token)\n}\n\n/**\n * Checks if the given token is a PunctuatorToken with the given value\n * @template {string} Value\n * @param {CommentOrToken} token - The token to check.\n * @param {Value} value - The value to check.\n * @returns {token is PunctuatorToken} `true` if the token is a PunctuatorToken with the given value.\n */\nfunction isPunctuatorTokenWithValue(token, value) {\n return token.type === \"Punctuator\" && token.value === value\n}\n\n/**\n * Checks if the given token is an arrow token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ArrowToken} `true` if the token is an arrow token.\n */\nexport function isArrowToken(token) {\n return isPunctuatorTokenWithValue(token, \"=>\")\n}\n\n/**\n * Checks if the given token is a comma token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is CommaToken} `true` if the token is a comma token.\n */\nexport function isCommaToken(token) {\n return isPunctuatorTokenWithValue(token, \",\")\n}\n\n/**\n * Checks if the given token is a semicolon token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is SemicolonToken} `true` if the token is a semicolon token.\n */\nexport function isSemicolonToken(token) {\n return isPunctuatorTokenWithValue(token, \";\")\n}\n\n/**\n * Checks if the given token is a colon token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ColonToken} `true` if the token is a colon token.\n */\nexport function isColonToken(token) {\n return isPunctuatorTokenWithValue(token, \":\")\n}\n\n/**\n * Checks if the given token is an opening parenthesis token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningParenToken} `true` if the token is an opening parenthesis token.\n */\nexport function isOpeningParenToken(token) {\n return isPunctuatorTokenWithValue(token, \"(\")\n}\n\n/**\n * Checks if the given token is a closing parenthesis token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingParenToken} `true` if the token is a closing parenthesis token.\n */\nexport function isClosingParenToken(token) {\n return isPunctuatorTokenWithValue(token, \")\")\n}\n\n/**\n * Checks if the given token is an opening square bracket token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningBracketToken} `true` if the token is an opening square bracket token.\n */\nexport function isOpeningBracketToken(token) {\n return isPunctuatorTokenWithValue(token, \"[\")\n}\n\n/**\n * Checks if the given token is a closing square bracket token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingBracketToken} `true` if the token is a closing square bracket token.\n */\nexport function isClosingBracketToken(token) {\n return isPunctuatorTokenWithValue(token, \"]\")\n}\n\n/**\n * Checks if the given token is an opening brace token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningBraceToken} `true` if the token is an opening brace token.\n */\nexport function isOpeningBraceToken(token) {\n return isPunctuatorTokenWithValue(token, \"{\")\n}\n\n/**\n * Checks if the given token is a closing brace token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingBraceToken} `true` if the token is a closing brace token.\n */\nexport function isClosingBraceToken(token) {\n return isPunctuatorTokenWithValue(token, \"}\")\n}\n\n/**\n * Checks if the given token is a comment token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is Comment} `true` if the token is a comment token.\n */\nexport function isCommentToken(token) {\n return [\"Block\", \"Line\", \"Shebang\"].includes(token.type)\n}\n\nexport const isNotArrowToken = negate(isArrowToken)\nexport const isNotCommaToken = negate(isCommaToken)\nexport const isNotSemicolonToken = negate(isSemicolonToken)\nexport const isNotColonToken = negate(isColonToken)\nexport const isNotOpeningParenToken = negate(isOpeningParenToken)\nexport const isNotClosingParenToken = negate(isClosingParenToken)\nexport const isNotOpeningBracketToken = negate(isOpeningBracketToken)\nexport const isNotClosingBracketToken = negate(isClosingBracketToken)\nexport const isNotOpeningBraceToken = negate(isOpeningBraceToken)\nexport const isNotClosingBraceToken = negate(isClosingBraceToken)\nexport const isNotCommentToken = negate(isCommentToken)\n","import { isArrowToken, isOpeningParenToken } from \"./token-predicate.mjs\"\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"estree\").Function} FunctionNode */\n/** @typedef {import(\"estree\").FunctionDeclaration} FunctionDeclaration */\n/** @typedef {import(\"estree\").FunctionExpression} FunctionExpression */\n/** @typedef {import(\"estree\").SourceLocation} SourceLocation */\n/** @typedef {import(\"estree\").Position} Position */\n\n/**\n * Get the `(` token of the given function node.\n * @param {FunctionExpression | FunctionDeclaration} node - The function node to get.\n * @param {SourceCode} sourceCode - The source code object to get tokens.\n * @returns {Token} `(` token.\n */\nfunction getOpeningParenOfParams(node, sourceCode) {\n return node.id\n ? /** @type {Token} */ (\n sourceCode.getTokenAfter(node.id, isOpeningParenToken)\n )\n : /** @type {Token} */ (\n sourceCode.getFirstToken(node, isOpeningParenToken)\n )\n}\n\n/**\n * Get the location of the given function node for reporting.\n * @param {FunctionNode} node - The function node to get.\n * @param {SourceCode} sourceCode - The source code object to get tokens.\n * @returns {SourceLocation|null} The location of the function node for reporting.\n */\nexport function getFunctionHeadLocation(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n\n /** @type {Position|null} */\n let start = null\n /** @type {Position|null} */\n let end = null\n\n if (node.type === \"ArrowFunctionExpression\") {\n const arrowToken = /** @type {Token} */ (\n sourceCode.getTokenBefore(node.body, isArrowToken)\n )\n\n start = arrowToken.loc.start\n end = arrowToken.loc.end\n } else if (\n parent.type === \"Property\" ||\n parent.type === \"MethodDefinition\" ||\n parent.type === \"PropertyDefinition\"\n ) {\n start = /** @type {SourceLocation} */ (parent.loc).start\n end = getOpeningParenOfParams(node, sourceCode).loc.start\n } else {\n start = /** @type {SourceLocation} */ (node.loc).start\n end = getOpeningParenOfParams(node, sourceCode).loc.start\n }\n\n return {\n start: { ...start },\n end: { ...end },\n }\n}\n","/* globals globalThis, global, self, window */\n\nimport { findVariable } from \"./find-variable.mjs\"\n/** @typedef {import(\"./types.mjs\").StaticValue} StaticValue */\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Node} TSESTreeNode */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.AST_NODE_TYPES} TSESTreeNodeTypes */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.MemberExpression} MemberExpression */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Property} Property */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.RegExpLiteral} RegExpLiteral */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.BigIntLiteral} BigIntLiteral */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Literal} Literal */\n\nconst globalObject =\n typeof globalThis !== \"undefined\"\n ? globalThis\n : // @ts-ignore\n typeof self !== \"undefined\"\n ? // @ts-ignore\n self\n : // @ts-ignore\n typeof window !== \"undefined\"\n ? // @ts-ignore\n window\n : typeof global !== \"undefined\"\n ? global\n : {}\n\nconst builtinNames = Object.freeze(\n new Set([\n \"Array\",\n \"ArrayBuffer\",\n \"BigInt\",\n \"BigInt64Array\",\n \"BigUint64Array\",\n \"Boolean\",\n \"DataView\",\n \"Date\",\n \"decodeURI\",\n \"decodeURIComponent\",\n \"encodeURI\",\n \"encodeURIComponent\",\n \"escape\",\n \"Float32Array\",\n \"Float64Array\",\n \"Function\",\n \"Infinity\",\n \"Int16Array\",\n \"Int32Array\",\n \"Int8Array\",\n \"isFinite\",\n \"isNaN\",\n \"isPrototypeOf\",\n \"JSON\",\n \"Map\",\n \"Math\",\n \"NaN\",\n \"Number\",\n \"Object\",\n \"parseFloat\",\n \"parseInt\",\n \"Promise\",\n \"Proxy\",\n \"Reflect\",\n \"RegExp\",\n \"Set\",\n \"String\",\n \"Symbol\",\n \"Uint16Array\",\n \"Uint32Array\",\n \"Uint8Array\",\n \"Uint8ClampedArray\",\n \"undefined\",\n \"unescape\",\n \"WeakMap\",\n \"WeakSet\",\n ]),\n)\nconst callAllowed = new Set(\n [\n Array.isArray,\n Array.of,\n Array.prototype.at,\n Array.prototype.concat,\n Array.prototype.entries,\n Array.prototype.every,\n Array.prototype.filter,\n Array.prototype.find,\n Array.prototype.findIndex,\n Array.prototype.flat,\n Array.prototype.includes,\n Array.prototype.indexOf,\n Array.prototype.join,\n Array.prototype.keys,\n Array.prototype.lastIndexOf,\n Array.prototype.slice,\n Array.prototype.some,\n Array.prototype.toString,\n Array.prototype.values,\n typeof BigInt === \"function\" ? BigInt : undefined,\n Boolean,\n Date,\n Date.parse,\n decodeURI,\n decodeURIComponent,\n encodeURI,\n encodeURIComponent,\n escape,\n isFinite,\n isNaN,\n // @ts-ignore\n isPrototypeOf,\n Map,\n Map.prototype.entries,\n Map.prototype.get,\n Map.prototype.has,\n Map.prototype.keys,\n Map.prototype.values,\n .../** @type {(keyof typeof Math)[]} */ (\n Object.getOwnPropertyNames(Math)\n )\n .filter((k) => k !== \"random\")\n .map((k) => Math[k])\n .filter((f) => typeof f === \"function\"),\n Number,\n Number.isFinite,\n Number.isNaN,\n Number.parseFloat,\n Number.parseInt,\n Number.prototype.toExponential,\n Number.prototype.toFixed,\n Number.prototype.toPrecision,\n Number.prototype.toString,\n Object,\n Object.entries,\n Object.is,\n Object.isExtensible,\n Object.isFrozen,\n Object.isSealed,\n Object.keys,\n Object.values,\n parseFloat,\n parseInt,\n RegExp,\n Set,\n Set.prototype.entries,\n Set.prototype.has,\n Set.prototype.keys,\n Set.prototype.values,\n String,\n String.fromCharCode,\n String.fromCodePoint,\n String.raw,\n String.prototype.at,\n String.prototype.charAt,\n String.prototype.charCodeAt,\n String.prototype.codePointAt,\n String.prototype.concat,\n String.prototype.endsWith,\n String.prototype.includes,\n String.prototype.indexOf,\n String.prototype.lastIndexOf,\n String.prototype.normalize,\n String.prototype.padEnd,\n String.prototype.padStart,\n String.prototype.slice,\n String.prototype.startsWith,\n String.prototype.substr,\n String.prototype.substring,\n String.prototype.toLowerCase,\n String.prototype.toString,\n String.prototype.toUpperCase,\n String.prototype.trim,\n String.prototype.trimEnd,\n String.prototype.trimLeft,\n String.prototype.trimRight,\n String.prototype.trimStart,\n Symbol.for,\n Symbol.keyFor,\n unescape,\n ].filter((f) => typeof f === \"function\"),\n)\nconst callPassThrough = new Set([\n Object.freeze,\n Object.preventExtensions,\n Object.seal,\n])\n\n/** @type {ReadonlyArray]>} */\nconst getterAllowed = [\n [Map, new Set([\"size\"])],\n [\n RegExp,\n new Set([\n \"dotAll\",\n \"flags\",\n \"global\",\n \"hasIndices\",\n \"ignoreCase\",\n \"multiline\",\n \"source\",\n \"sticky\",\n \"unicode\",\n ]),\n ],\n [Set, new Set([\"size\"])],\n]\n\n/**\n * Get the property descriptor.\n * @param {object} object The object to get.\n * @param {string|number|symbol} name The property name to get.\n */\nfunction getPropertyDescriptor(object, name) {\n let x = object\n while ((typeof x === \"object\" || typeof x === \"function\") && x !== null) {\n const d = Object.getOwnPropertyDescriptor(x, name)\n if (d) {\n return d\n }\n x = Object.getPrototypeOf(x)\n }\n return null\n}\n\n/**\n * Check if a property is getter or not.\n * @param {object} object The object to check.\n * @param {string|number|symbol} name The property name to check.\n */\nfunction isGetter(object, name) {\n const d = getPropertyDescriptor(object, name)\n return d != null && d.get != null\n}\n\n/**\n * Get the element values of a given node list.\n * @param {(Node|TSESTreeNode|null)[]} nodeList The node list to get values.\n * @param {Scope|undefined|null} initialScope The initial scope to find variables.\n * @returns {any[]|null} The value list if all nodes are constant. Otherwise, null.\n */\nfunction getElementValues(nodeList, initialScope) {\n const valueList = []\n\n for (let i = 0; i < nodeList.length; ++i) {\n const elementNode = nodeList[i]\n\n if (elementNode == null) {\n valueList.length = i + 1\n } else if (elementNode.type === \"SpreadElement\") {\n const argument = getStaticValueR(elementNode.argument, initialScope)\n if (argument == null) {\n return null\n }\n valueList.push(.../** @type {Iterable} */ (argument.value))\n } else {\n const element = getStaticValueR(elementNode, initialScope)\n if (element == null) {\n return null\n }\n valueList.push(element.value)\n }\n }\n\n return valueList\n}\n\n/**\n * Checks if a variable is a built-in global.\n * @param {Variable|null} variable The variable to check.\n * @returns {variable is Variable & {defs:[]}}\n */\nfunction isBuiltinGlobal(variable) {\n return (\n variable != null &&\n variable.defs.length === 0 &&\n builtinNames.has(variable.name) &&\n variable.name in globalObject\n )\n}\n\n/**\n * Checks if a variable can be considered as a constant.\n * @param {Variable} variable\n * @returns {variable is Variable & {defs: [import(\"eslint\").Scope.Definition & { type: \"Variable\" }]}} True if the variable can be considered as a constant.\n */\nfunction canBeConsideredConst(variable) {\n if (variable.defs.length !== 1) {\n return false\n }\n const def = variable.defs[0]\n return Boolean(\n def.parent &&\n def.type === \"Variable\" &&\n (def.parent.kind === \"const\" || isEffectivelyConst(variable)),\n )\n}\n\n/**\n * Returns whether the given variable is never written to after initialization.\n * @param {Variable} variable\n * @returns {boolean}\n */\nfunction isEffectivelyConst(variable) {\n const refs = variable.references\n\n const inits = refs.filter((r) => r.init).length\n const reads = refs.filter((r) => r.isReadOnly()).length\n if (inits === 1 && reads + inits === refs.length) {\n // there is only one init and all other references only read\n return true\n }\n return false\n}\n\n/**\n * Checks if a variable has mutation in its property.\n * @param {Variable} variable The variable to check.\n * @param {Scope|null} initialScope The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {boolean} True if the variable has mutation in its property.\n */\nfunction hasMutationInProperty(variable, initialScope) {\n for (const ref of variable.references) {\n let node = /** @type {TSESTreeNode} */ (ref.identifier)\n while (node && node.parent && node.parent.type === \"MemberExpression\") {\n node = node.parent\n }\n if (!node || !node.parent) {\n continue\n }\n if (\n (node.parent.type === \"AssignmentExpression\" &&\n node.parent.left === node) ||\n (node.parent.type === \"UpdateExpression\" &&\n node.parent.argument === node)\n ) {\n // This is a mutation.\n return true\n }\n if (\n node.parent.type === \"CallExpression\" &&\n node.parent.callee === node &&\n node.type === \"MemberExpression\"\n ) {\n const methodName = getStaticPropertyNameValue(node, initialScope)\n if (isNameOfMutationArrayMethod(methodName)) {\n // This is a mutation.\n return true\n }\n }\n }\n return false\n\n /**\n * Checks if a method name is one of the mutation array methods.\n * @param {StaticValue|null} methodName The method name to check.\n * @returns {boolean} True if the method name is a mutation array method.\n */\n function isNameOfMutationArrayMethod(methodName) {\n if (methodName == null || methodName.value == null) {\n return false\n }\n const name = methodName.value\n return (\n name === \"copyWithin\" ||\n name === \"fill\" ||\n name === \"pop\" ||\n name === \"push\" ||\n name === \"reverse\" ||\n name === \"shift\" ||\n name === \"sort\" ||\n name === \"splice\" ||\n name === \"unshift\"\n )\n }\n}\n\n/**\n * @template {TSESTreeNodeTypes} T\n * @callback VisitorCallback\n * @param {TSESTreeNode & { type: T }} node\n * @param {Scope|undefined|null} initialScope\n * @returns {StaticValue | null}\n */\n/**\n * @typedef { { [K in TSESTreeNodeTypes]?: VisitorCallback } } Operations\n */\n/**\n * @type {Operations}\n */\nconst operations = Object.freeze({\n ArrayExpression(node, initialScope) {\n const elements = getElementValues(node.elements, initialScope)\n return elements != null ? { value: elements } : null\n },\n\n AssignmentExpression(node, initialScope) {\n if (node.operator === \"=\") {\n return getStaticValueR(node.right, initialScope)\n }\n return null\n },\n\n //eslint-disable-next-line complexity\n BinaryExpression(node, initialScope) {\n if (node.operator === \"in\" || node.operator === \"instanceof\") {\n // Not supported.\n return null\n }\n\n const left = getStaticValueR(node.left, initialScope)\n const right = getStaticValueR(node.right, initialScope)\n if (left != null && right != null) {\n switch (node.operator) {\n case \"==\":\n return { value: left.value == right.value } //eslint-disable-line eqeqeq\n case \"!=\":\n return { value: left.value != right.value } //eslint-disable-line eqeqeq\n case \"===\":\n return { value: left.value === right.value }\n case \"!==\":\n return { value: left.value !== right.value }\n case \"<\":\n return {\n value:\n /** @type {any} */ (left.value) <\n /** @type {any} */ (right.value),\n }\n case \"<=\":\n return {\n value:\n /** @type {any} */ (left.value) <=\n /** @type {any} */ (right.value),\n }\n case \">\":\n return {\n value:\n /** @type {any} */ (left.value) >\n /** @type {any} */ (right.value),\n }\n case \">=\":\n return {\n value:\n /** @type {any} */ (left.value) >=\n /** @type {any} */ (right.value),\n }\n case \"<<\":\n return {\n value:\n /** @type {any} */ (left.value) <<\n /** @type {any} */ (right.value),\n }\n case \">>\":\n return {\n value:\n /** @type {any} */ (left.value) >>\n /** @type {any} */ (right.value),\n }\n case \">>>\":\n return {\n value:\n /** @type {any} */ (left.value) >>>\n /** @type {any} */ (right.value),\n }\n case \"+\":\n return {\n value:\n /** @type {any} */ (left.value) +\n /** @type {any} */ (right.value),\n }\n case \"-\":\n return {\n value:\n /** @type {any} */ (left.value) -\n /** @type {any} */ (right.value),\n }\n case \"*\":\n return {\n value:\n /** @type {any} */ (left.value) *\n /** @type {any} */ (right.value),\n }\n case \"/\":\n return {\n value:\n /** @type {any} */ (left.value) /\n /** @type {any} */ (right.value),\n }\n case \"%\":\n return {\n value:\n /** @type {any} */ (left.value) %\n /** @type {any} */ (right.value),\n }\n case \"**\":\n return {\n value:\n /** @type {any} */ (left.value) **\n /** @type {any} */ (right.value),\n }\n case \"|\":\n return {\n value:\n /** @type {any} */ (left.value) |\n /** @type {any} */ (right.value),\n }\n case \"^\":\n return {\n value:\n /** @type {any} */ (left.value) ^\n /** @type {any} */ (right.value),\n }\n case \"&\":\n return {\n value:\n /** @type {any} */ (left.value) &\n /** @type {any} */ (right.value),\n }\n\n // no default\n }\n }\n\n return null\n },\n\n CallExpression(node, initialScope) {\n const calleeNode = node.callee\n const args = getElementValues(node.arguments, initialScope)\n\n if (args != null) {\n if (calleeNode.type === \"MemberExpression\") {\n if (calleeNode.property.type === \"PrivateIdentifier\") {\n return null\n }\n const object = getStaticValueR(calleeNode.object, initialScope)\n if (object != null) {\n if (\n object.value == null &&\n (object.optional || node.optional)\n ) {\n return { value: undefined, optional: true }\n }\n const property = getStaticPropertyNameValue(\n calleeNode,\n initialScope,\n )\n\n if (property != null) {\n const receiver =\n /** @type {Record any>} */ (\n object.value\n )\n const methodName = /** @type {PropertyKey} */ (\n property.value\n )\n if (callAllowed.has(receiver[methodName])) {\n return {\n value: receiver[methodName](...args),\n }\n }\n if (callPassThrough.has(receiver[methodName])) {\n return { value: args[0] }\n }\n }\n }\n } else {\n const callee = getStaticValueR(calleeNode, initialScope)\n if (callee != null) {\n if (callee.value == null && node.optional) {\n return { value: undefined, optional: true }\n }\n const func = /** @type {(...args: any[]) => any} */ (\n callee.value\n )\n if (callAllowed.has(func)) {\n return { value: func(...args) }\n }\n if (callPassThrough.has(func)) {\n return { value: args[0] }\n }\n }\n }\n }\n\n return null\n },\n\n ConditionalExpression(node, initialScope) {\n const test = getStaticValueR(node.test, initialScope)\n if (test != null) {\n return test.value\n ? getStaticValueR(node.consequent, initialScope)\n : getStaticValueR(node.alternate, initialScope)\n }\n return null\n },\n\n ExpressionStatement(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n\n Identifier(node, initialScope) {\n if (initialScope != null) {\n const variable = findVariable(initialScope, node)\n\n if (variable != null) {\n // Built-in globals.\n if (isBuiltinGlobal(variable)) {\n return { value: globalObject[variable.name] }\n }\n\n // Constants.\n if (canBeConsideredConst(variable)) {\n const def = variable.defs[0]\n if (\n // TODO(mysticatea): don't support destructuring here.\n def.node.id.type === \"Identifier\"\n ) {\n const init = getStaticValueR(\n def.node.init,\n initialScope,\n )\n if (\n init &&\n typeof init.value === \"object\" &&\n init.value !== null\n ) {\n if (hasMutationInProperty(variable, initialScope)) {\n // This variable has mutation in its property.\n return null\n }\n }\n return init\n }\n }\n }\n }\n return null\n },\n\n Literal(node) {\n const literal =\n /** @type {Partial & Partial & Partial} */ (\n node\n )\n //istanbul ignore if : this is implementation-specific behavior.\n if (\n (literal.regex != null || literal.bigint != null) &&\n literal.value == null\n ) {\n // It was a RegExp/BigInt literal, but Node.js didn't support it.\n return null\n }\n return { value: literal.value }\n },\n\n LogicalExpression(node, initialScope) {\n const left = getStaticValueR(node.left, initialScope)\n if (left != null) {\n if (\n (node.operator === \"||\" && Boolean(left.value) === true) ||\n (node.operator === \"&&\" && Boolean(left.value) === false) ||\n (node.operator === \"??\" && left.value != null)\n ) {\n return left\n }\n\n const right = getStaticValueR(node.right, initialScope)\n if (right != null) {\n return right\n }\n }\n\n return null\n },\n\n MemberExpression(node, initialScope) {\n if (node.property.type === \"PrivateIdentifier\") {\n return null\n }\n const object = getStaticValueR(node.object, initialScope)\n if (object != null) {\n if (object.value == null && (object.optional || node.optional)) {\n return { value: undefined, optional: true }\n }\n const property = getStaticPropertyNameValue(node, initialScope)\n\n if (property != null) {\n if (\n !isGetter(\n /** @type {object} */ (object.value),\n /** @type {PropertyKey} */ (property.value),\n )\n ) {\n return {\n value: /** @type {Record} */ (\n object.value\n )[/** @type {PropertyKey} */ (property.value)],\n }\n }\n\n for (const [classFn, allowed] of getterAllowed) {\n if (\n object.value instanceof classFn &&\n allowed.has(/** @type {string} */ (property.value))\n ) {\n return {\n value: /** @type {Record} */ (\n object.value\n )[/** @type {PropertyKey} */ (property.value)],\n }\n }\n }\n }\n }\n return null\n },\n\n ChainExpression(node, initialScope) {\n const expression = getStaticValueR(node.expression, initialScope)\n if (expression != null) {\n return { value: expression.value }\n }\n return null\n },\n\n NewExpression(node, initialScope) {\n const callee = getStaticValueR(node.callee, initialScope)\n const args = getElementValues(node.arguments, initialScope)\n\n if (callee != null && args != null) {\n const Func = /** @type {new (...args: any[]) => any} */ (\n callee.value\n )\n if (callAllowed.has(Func)) {\n return { value: new Func(...args) }\n }\n }\n\n return null\n },\n\n ObjectExpression(node, initialScope) {\n /** @type {Record} */\n const object = {}\n\n for (const propertyNode of node.properties) {\n if (propertyNode.type === \"Property\") {\n if (propertyNode.kind !== \"init\") {\n return null\n }\n const key = getStaticPropertyNameValue(\n propertyNode,\n initialScope,\n )\n const value = getStaticValueR(propertyNode.value, initialScope)\n if (key == null || value == null) {\n return null\n }\n object[/** @type {PropertyKey} */ (key.value)] = value.value\n } else if (\n propertyNode.type === \"SpreadElement\" ||\n // @ts-expect-error -- Backward compatibility\n propertyNode.type === \"ExperimentalSpreadProperty\"\n ) {\n const argument = getStaticValueR(\n propertyNode.argument,\n initialScope,\n )\n if (argument == null) {\n return null\n }\n Object.assign(object, argument.value)\n } else {\n return null\n }\n }\n\n return { value: object }\n },\n\n SequenceExpression(node, initialScope) {\n const last = node.expressions[node.expressions.length - 1]\n return getStaticValueR(last, initialScope)\n },\n\n TaggedTemplateExpression(node, initialScope) {\n const tag = getStaticValueR(node.tag, initialScope)\n const expressions = getElementValues(\n node.quasi.expressions,\n initialScope,\n )\n\n if (tag != null && expressions != null) {\n const func = /** @type {(...args: any[]) => any} */ (tag.value)\n /** @type {any[] & { raw?: string[] }} */\n const strings = node.quasi.quasis.map((q) => q.value.cooked)\n strings.raw = node.quasi.quasis.map((q) => q.value.raw)\n\n if (func === String.raw) {\n return { value: func(strings, ...expressions) }\n }\n }\n\n return null\n },\n\n TemplateLiteral(node, initialScope) {\n const expressions = getElementValues(node.expressions, initialScope)\n if (expressions != null) {\n let value = node.quasis[0].value.cooked\n for (let i = 0; i < expressions.length; ++i) {\n value += expressions[i]\n value += /** @type {string} */ (node.quasis[i + 1].value.cooked)\n }\n return { value }\n }\n return null\n },\n\n UnaryExpression(node, initialScope) {\n if (node.operator === \"delete\") {\n // Not supported.\n return null\n }\n if (node.operator === \"void\") {\n return { value: undefined }\n }\n\n const arg = getStaticValueR(node.argument, initialScope)\n if (arg != null) {\n switch (node.operator) {\n case \"-\":\n return { value: -(/** @type {any} */ (arg.value)) }\n case \"+\":\n return { value: +(/** @type {any} */ (arg.value)) } //eslint-disable-line no-implicit-coercion\n case \"!\":\n return { value: !arg.value }\n case \"~\":\n return { value: ~(/** @type {any} */ (arg.value)) }\n case \"typeof\":\n return { value: typeof arg.value }\n\n // no default\n }\n }\n\n return null\n },\n TSAsExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSSatisfiesExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSTypeAssertion(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSNonNullExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSInstantiationExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n})\n\n/**\n * Get the value of a given node if it's a static value.\n * @param {Node|TSESTreeNode|null|undefined} node The node to get.\n * @param {Scope|undefined|null} initialScope The scope to start finding variable.\n * @returns {StaticValue|null} The static value of the node, or `null`.\n */\nfunction getStaticValueR(node, initialScope) {\n if (node != null && Object.hasOwnProperty.call(operations, node.type)) {\n return /** @type {VisitorCallback} */ (operations[node.type])(\n /** @type {TSESTreeNode} */ (node),\n initialScope,\n )\n }\n return null\n}\n\n/**\n * Get the static value of property name from a MemberExpression node or a Property node.\n * @param {MemberExpression|Property} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {StaticValue|null} The static value of the property name of the node, or `null`.\n */\nfunction getStaticPropertyNameValue(node, initialScope) {\n const nameNode = node.type === \"Property\" ? node.key : node.property\n\n if (node.computed) {\n return getStaticValueR(nameNode, initialScope)\n }\n\n if (nameNode.type === \"Identifier\") {\n return { value: nameNode.name }\n }\n\n if (nameNode.type === \"Literal\") {\n if (/** @type {Partial} */ (nameNode).bigint) {\n return { value: /** @type {BigIntLiteral} */ (nameNode).bigint }\n }\n return { value: String(nameNode.value) }\n }\n\n return null\n}\n\n/**\n * Get the value of a given node if it's a static value.\n * @param {Node} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If this scope was given, this tries to resolve identifier references which are in the given node as much as possible.\n * @returns {StaticValue | null} The static value of the node, or `null`.\n */\nexport function getStaticValue(node, initialScope = null) {\n try {\n return getStaticValueR(node, initialScope)\n } catch (_error) {\n return null\n }\n}\n","import { getStaticValue } from \"./get-static-value.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"estree\").RegExpLiteral} RegExpLiteral */\n/** @typedef {import(\"estree\").BigIntLiteral} BigIntLiteral */\n/** @typedef {import(\"estree\").SimpleLiteral} SimpleLiteral */\n\n/**\n * Get the value of a given node if it's a literal or a template literal.\n * @param {Node} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is an Identifier node and this scope was given, this checks the variable of the identifier, and returns the value of it if the variable is a constant.\n * @returns {string|null} The value of the node, or `null`.\n */\nexport function getStringIfConstant(node, initialScope = null) {\n // Handle the literals that the platform doesn't support natively.\n if (node && node.type === \"Literal\" && node.value === null) {\n const literal =\n /** @type {Partial & Partial & Partial} */ (\n node\n )\n if (literal.regex) {\n return `/${literal.regex.pattern}/${literal.regex.flags}`\n }\n if (literal.bigint) {\n return literal.bigint\n }\n }\n\n const evaluated = getStaticValue(node, initialScope)\n\n if (evaluated) {\n // `String(Symbol.prototype)` throws error\n try {\n return String(evaluated.value)\n } catch {\n // No op\n }\n }\n\n return null\n}\n","import { getStringIfConstant } from \"./get-string-if-constant.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").MemberExpression} MemberExpression */\n/** @typedef {import(\"estree\").MethodDefinition} MethodDefinition */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").PropertyDefinition} PropertyDefinition */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Get the property name from a MemberExpression node or a Property node.\n * @param {MemberExpression | MethodDefinition | Property | PropertyDefinition} node The node to get.\n * @param {Scope} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {string|null|undefined} The property name of the node.\n */\nexport function getPropertyName(node, initialScope) {\n switch (node.type) {\n case \"MemberExpression\":\n if (node.computed) {\n return getStringIfConstant(node.property, initialScope)\n }\n if (node.property.type === \"PrivateIdentifier\") {\n return null\n }\n return /** @type {Partial} */ (node.property).name\n\n case \"Property\":\n case \"MethodDefinition\":\n case \"PropertyDefinition\":\n if (node.computed) {\n return getStringIfConstant(node.key, initialScope)\n }\n if (node.key.type === \"Literal\") {\n return String(node.key.value)\n }\n if (node.key.type === \"PrivateIdentifier\") {\n return null\n }\n return /** @type {Partial} */ (node.key).name\n\n default:\n break\n }\n\n return null\n}\n","import { getPropertyName } from \"./get-property-name.mjs\"\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"estree\").Function} FunctionNode */\n/** @typedef {import(\"estree\").FunctionDeclaration} FunctionDeclaration */\n/** @typedef {import(\"estree\").FunctionExpression} FunctionExpression */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Get the name and kind of the given function node.\n * @param {FunctionNode} node - The function node to get.\n * @param {SourceCode} [sourceCode] The source code object to get the code of computed property keys.\n * @returns {string} The name and kind of the function node.\n */\n// eslint-disable-next-line complexity\nexport function getFunctionNameWithKind(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n const tokens = []\n const isObjectMethod = parent.type === \"Property\" && parent.value === node\n const isClassMethod =\n parent.type === \"MethodDefinition\" && parent.value === node\n const isClassFieldMethod =\n parent.type === \"PropertyDefinition\" && parent.value === node\n\n // Modifiers.\n if (isClassMethod || isClassFieldMethod) {\n if (parent.static) {\n tokens.push(\"static\")\n }\n if (parent.key.type === \"PrivateIdentifier\") {\n tokens.push(\"private\")\n }\n }\n if (node.async) {\n tokens.push(\"async\")\n }\n if (node.generator) {\n tokens.push(\"generator\")\n }\n\n // Kinds.\n if (isObjectMethod || isClassMethod) {\n if (parent.kind === \"constructor\") {\n return \"constructor\"\n }\n if (parent.kind === \"get\") {\n tokens.push(\"getter\")\n } else if (parent.kind === \"set\") {\n tokens.push(\"setter\")\n } else {\n tokens.push(\"method\")\n }\n } else if (isClassFieldMethod) {\n tokens.push(\"method\")\n } else {\n if (node.type === \"ArrowFunctionExpression\") {\n tokens.push(\"arrow\")\n }\n tokens.push(\"function\")\n }\n\n // Names.\n if (isObjectMethod || isClassMethod || isClassFieldMethod) {\n if (parent.key.type === \"PrivateIdentifier\") {\n tokens.push(`#${parent.key.name}`)\n } else {\n const name = getPropertyName(parent)\n if (name) {\n tokens.push(`'${name}'`)\n } else if (sourceCode) {\n const keyText = sourceCode.getText(parent.key)\n if (!keyText.includes(\"\\n\")) {\n tokens.push(`[${keyText}]`)\n }\n }\n }\n } else if (hasId(node)) {\n tokens.push(`'${node.id.name}'`)\n } else if (\n parent.type === \"VariableDeclarator\" &&\n parent.id &&\n parent.id.type === \"Identifier\"\n ) {\n tokens.push(`'${parent.id.name}'`)\n } else if (\n (parent.type === \"AssignmentExpression\" ||\n parent.type === \"AssignmentPattern\") &&\n parent.left &&\n parent.left.type === \"Identifier\"\n ) {\n tokens.push(`'${parent.left.name}'`)\n } else if (\n parent.type === \"ExportDefaultDeclaration\" &&\n parent.declaration === node\n ) {\n tokens.push(\"'default'\")\n }\n\n return tokens.join(\" \")\n}\n\n/**\n * @param {FunctionNode} node\n * @returns {node is FunctionDeclaration | FunctionExpression & { id: Identifier }}\n */\nfunction hasId(node) {\n return Boolean(\n /** @type {Partial} */ (node)\n .id,\n )\n}\n","import { getKeys, KEYS } from \"eslint-visitor-keys\"\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"./types.mjs\").HasSideEffectOptions} HasSideEffectOptions */\n/** @typedef {import(\"estree\").BinaryExpression} BinaryExpression */\n/** @typedef {import(\"estree\").MemberExpression} MemberExpression */\n/** @typedef {import(\"estree\").MethodDefinition} MethodDefinition */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").PropertyDefinition} PropertyDefinition */\n/** @typedef {import(\"estree\").UnaryExpression} UnaryExpression */\n\nconst typeConversionBinaryOps = Object.freeze(\n new Set([\n \"==\",\n \"!=\",\n \"<\",\n \"<=\",\n \">\",\n \">=\",\n \"<<\",\n \">>\",\n \">>>\",\n \"+\",\n \"-\",\n \"*\",\n \"/\",\n \"%\",\n \"|\",\n \"^\",\n \"&\",\n \"in\",\n ]),\n)\nconst typeConversionUnaryOps = Object.freeze(new Set([\"-\", \"+\", \"!\", \"~\"]))\n\n/**\n * Check whether the given value is an ASTNode or not.\n * @param {any} x The value to check.\n * @returns {x is Node} `true` if the value is an ASTNode.\n */\nfunction isNode(x) {\n return x !== null && typeof x === \"object\" && typeof x.type === \"string\"\n}\n\nconst visitor = Object.freeze(\n Object.assign(Object.create(null), {\n /**\n * @param {Node} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n $visit(node, options, visitorKeys) {\n const { type } = node\n\n if (typeof (/** @type {any} */ (this)[type]) === \"function\") {\n return /** @type {any} */ (this)[type](\n node,\n options,\n visitorKeys,\n )\n }\n\n return this.$visitChildren(node, options, visitorKeys)\n },\n\n /**\n * @param {Node} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n $visitChildren(node, options, visitorKeys) {\n const { type } = node\n\n for (const key of /** @type {(keyof Node)[]} */ (\n visitorKeys[type] || getKeys(node)\n )) {\n const value = node[key]\n\n if (Array.isArray(value)) {\n for (const element of value) {\n if (\n isNode(element) &&\n this.$visit(element, options, visitorKeys)\n ) {\n return true\n }\n }\n } else if (\n isNode(value) &&\n this.$visit(value, options, visitorKeys)\n ) {\n return true\n }\n }\n\n return false\n },\n\n ArrowFunctionExpression() {\n return false\n },\n AssignmentExpression() {\n return true\n },\n AwaitExpression() {\n return true\n },\n /**\n * @param {BinaryExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n BinaryExpression(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n typeConversionBinaryOps.has(node.operator) &&\n (node.left.type !== \"Literal\" || node.right.type !== \"Literal\")\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n CallExpression() {\n return true\n },\n FunctionExpression() {\n return false\n },\n ImportExpression() {\n return true\n },\n /**\n * @param {MemberExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n MemberExpression(node, options, visitorKeys) {\n if (options.considerGetters) {\n return true\n }\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.property.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {MethodDefinition} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n MethodDefinition(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n NewExpression() {\n return true\n },\n /**\n * @param {Property} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n Property(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {PropertyDefinition} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n PropertyDefinition(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {UnaryExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n UnaryExpression(node, options, visitorKeys) {\n if (node.operator === \"delete\") {\n return true\n }\n if (\n options.considerImplicitTypeConversion &&\n typeConversionUnaryOps.has(node.operator) &&\n node.argument.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n UpdateExpression() {\n return true\n },\n YieldExpression() {\n return true\n },\n }),\n)\n\n/**\n * Check whether a given node has any side effect or not.\n * @param {Node} node The node to get.\n * @param {SourceCode} sourceCode The source code object.\n * @param {HasSideEffectOptions} [options] The option object.\n * @returns {boolean} `true` if the node has a certain side effect.\n */\nexport function hasSideEffect(node, sourceCode, options = {}) {\n const { considerGetters = false, considerImplicitTypeConversion = false } =\n options\n return visitor.$visit(\n node,\n { considerGetters, considerImplicitTypeConversion },\n sourceCode.visitorKeys || KEYS,\n )\n}\n","import { isClosingParenToken, isOpeningParenToken } from \"./token-predicate.mjs\"\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.NewExpression} TSNewExpression */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.CallExpression} TSCallExpression */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n\n/**\n * Get the left parenthesis of the parent node syntax if it exists.\n * E.g., `if (a) {}` then the `(`.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {Token|null} The left parenthesis of the parent node syntax\n */\n// eslint-disable-next-line complexity\nfunction getParentSyntaxParen(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n\n switch (parent.type) {\n case \"CallExpression\":\n case \"NewExpression\":\n if (parent.arguments.length === 1 && parent.arguments[0] === node) {\n return sourceCode.getTokenAfter(\n // @ts-expect-error https://github.com/typescript-eslint/typescript-eslint/pull/5384\n parent.typeArguments ||\n /** @type {RuleNode} */ (\n /** @type {unknown} */ (\n /** @type {TSNewExpression | TSCallExpression} */ (\n parent\n ).typeParameters\n )\n ) ||\n parent.callee,\n isOpeningParenToken,\n )\n }\n return null\n\n case \"DoWhileStatement\":\n if (parent.test === node) {\n return sourceCode.getTokenAfter(\n parent.body,\n isOpeningParenToken,\n )\n }\n return null\n\n case \"IfStatement\":\n case \"WhileStatement\":\n if (parent.test === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"ImportExpression\":\n if (parent.source === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"SwitchStatement\":\n if (parent.discriminant === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"WithStatement\":\n if (parent.object === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n default:\n return null\n }\n}\n\n/**\n * Check whether a given node is parenthesized or not.\n * @param {number} times The number of parantheses.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {boolean} `true` if the node is parenthesized the given times.\n */\n/**\n * Check whether a given node is parenthesized or not.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {boolean} `true` if the node is parenthesized.\n */\n/**\n * Check whether a given node is parenthesized or not.\n * @param {Node|number} timesOrNode The first parameter.\n * @param {Node|SourceCode} nodeOrSourceCode The second parameter.\n * @param {SourceCode} [optionalSourceCode] The third parameter.\n * @returns {boolean} `true` if the node is parenthesized.\n */\nexport function isParenthesized(\n timesOrNode,\n nodeOrSourceCode,\n optionalSourceCode,\n) {\n /** @type {number} */\n let times,\n /** @type {RuleNode} */\n node,\n /** @type {SourceCode} */\n sourceCode,\n maybeLeftParen,\n maybeRightParen\n if (typeof timesOrNode === \"number\") {\n times = timesOrNode | 0\n node = /** @type {RuleNode} */ (nodeOrSourceCode)\n sourceCode = /** @type {SourceCode} */ (optionalSourceCode)\n if (!(times >= 1)) {\n throw new TypeError(\"'times' should be a positive integer.\")\n }\n } else {\n times = 1\n node = /** @type {RuleNode} */ (timesOrNode)\n sourceCode = /** @type {SourceCode} */ (nodeOrSourceCode)\n }\n\n if (\n node == null ||\n // `Program` can't be parenthesized\n node.parent == null ||\n // `CatchClause.param` can't be parenthesized, example `try {} catch (error) {}`\n (node.parent.type === \"CatchClause\" && node.parent.param === node)\n ) {\n return false\n }\n\n maybeLeftParen = maybeRightParen = node\n do {\n maybeLeftParen = sourceCode.getTokenBefore(maybeLeftParen)\n maybeRightParen = sourceCode.getTokenAfter(maybeRightParen)\n } while (\n maybeLeftParen != null &&\n maybeRightParen != null &&\n isOpeningParenToken(maybeLeftParen) &&\n isClosingParenToken(maybeRightParen) &&\n // Avoid false positive such as `if (a) {}`\n maybeLeftParen !== getParentSyntaxParen(node, sourceCode) &&\n --times > 0\n )\n\n return times === 0\n}\n","/**\n * @author Toru Nagashima \n * See LICENSE file in root directory for full license.\n */\n\nconst placeholder = /\\$(?:[$&`']|[1-9][0-9]?)/gu\n\n/** @type {WeakMap} */\nconst internal = new WeakMap()\n\n/**\n * Check whether a given character is escaped or not.\n * @param {string} str The string to check.\n * @param {number} index The location of the character to check.\n * @returns {boolean} `true` if the character is escaped.\n */\nfunction isEscaped(str, index) {\n let escaped = false\n for (let i = index - 1; i >= 0 && str.charCodeAt(i) === 0x5c; --i) {\n escaped = !escaped\n }\n return escaped\n}\n\n/**\n * Replace a given string by a given matcher.\n * @param {PatternMatcher} matcher The pattern matcher.\n * @param {string} str The string to be replaced.\n * @param {string} replacement The new substring to replace each matched part.\n * @returns {string} The replaced string.\n */\nfunction replaceS(matcher, str, replacement) {\n const chunks = []\n let index = 0\n\n /**\n * @param {string} key The placeholder.\n * @param {RegExpExecArray} match The matched information.\n * @returns {string} The replaced string.\n */\n function replacer(key, match) {\n switch (key) {\n case \"$$\":\n return \"$\"\n case \"$&\":\n return match[0]\n case \"$`\":\n return str.slice(0, match.index)\n case \"$'\":\n return str.slice(match.index + match[0].length)\n default: {\n const i = key.slice(1)\n if (i in match) {\n return match[/** @type {any} */ (i)]\n }\n return key\n }\n }\n }\n\n for (const match of matcher.execAll(str)) {\n chunks.push(str.slice(index, match.index))\n chunks.push(\n replacement.replace(placeholder, (key) => replacer(key, match)),\n )\n index = match.index + match[0].length\n }\n chunks.push(str.slice(index))\n\n return chunks.join(\"\")\n}\n\n/**\n * Replace a given string by a given matcher.\n * @param {PatternMatcher} matcher The pattern matcher.\n * @param {string} str The string to be replaced.\n * @param {(substring: string, ...args: any[]) => string} replace The function to replace each matched part.\n * @returns {string} The replaced string.\n */\nfunction replaceF(matcher, str, replace) {\n const chunks = []\n let index = 0\n\n for (const match of matcher.execAll(str)) {\n chunks.push(str.slice(index, match.index))\n chunks.push(\n String(\n replace(\n .../** @type {[string, ...string[]]} */ (\n /** @type {string[]} */ (match)\n ),\n match.index,\n match.input,\n ),\n ),\n )\n index = match.index + match[0].length\n }\n chunks.push(str.slice(index))\n\n return chunks.join(\"\")\n}\n\n/**\n * The class to find patterns as considering escape sequences.\n */\nexport class PatternMatcher {\n /**\n * Initialize this matcher.\n * @param {RegExp} pattern The pattern to match.\n * @param {{escaped?:boolean}} [options] The options.\n */\n constructor(pattern, options = {}) {\n const { escaped = false } = options\n if (!(pattern instanceof RegExp)) {\n throw new TypeError(\"'pattern' should be a RegExp instance.\")\n }\n if (!pattern.flags.includes(\"g\")) {\n throw new Error(\"'pattern' should contains 'g' flag.\")\n }\n\n internal.set(this, {\n pattern: new RegExp(pattern.source, pattern.flags),\n escaped: Boolean(escaped),\n })\n }\n\n /**\n * Find the pattern in a given string.\n * @param {string} str The string to find.\n * @returns {IterableIterator} The iterator which iterate the matched information.\n */\n *execAll(str) {\n const { pattern, escaped } =\n /** @type {{pattern:RegExp,escaped:boolean}} */ (internal.get(this))\n let match = null\n let lastIndex = 0\n\n pattern.lastIndex = 0\n while ((match = pattern.exec(str)) != null) {\n if (escaped || !isEscaped(str, match.index)) {\n lastIndex = pattern.lastIndex\n yield match\n pattern.lastIndex = lastIndex\n }\n }\n }\n\n /**\n * Check whether the pattern is found in a given string.\n * @param {string} str The string to check.\n * @returns {boolean} `true` if the pattern was found in the string.\n */\n test(str) {\n const it = this.execAll(str)\n const ret = it.next()\n return !ret.done\n }\n\n /**\n * Replace a given string.\n * @param {string} str The string to be replaced.\n * @param {(string|((...strs:string[])=>string))} replacer The string or function to replace. This is the same as the 2nd argument of `String.prototype.replace`.\n * @returns {string} The replaced string.\n */\n [Symbol.replace](str, replacer) {\n return typeof replacer === \"function\"\n ? replaceF(this, String(str), replacer)\n : replaceS(this, String(str), String(replacer))\n }\n}\n","import { findVariable } from \"./find-variable.mjs\"\nimport { getPropertyName } from \"./get-property-name.mjs\"\nimport { getStringIfConstant } from \"./get-string-if-constant.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"estree\").Expression} Expression */\n/** @typedef {import(\"estree\").Pattern} Pattern */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n/** @typedef {import(\"estree\").SimpleCallExpression} CallExpression */\n/** @typedef {import(\"estree\").Program} Program */\n/** @typedef {import(\"estree\").ImportDeclaration} ImportDeclaration */\n/** @typedef {import(\"estree\").ExportAllDeclaration} ExportAllDeclaration */\n/** @typedef {import(\"estree\").ExportDefaultDeclaration} ExportDefaultDeclaration */\n/** @typedef {import(\"estree\").ExportNamedDeclaration} ExportNamedDeclaration */\n/** @typedef {import(\"estree\").ImportSpecifier} ImportSpecifier */\n/** @typedef {import(\"estree\").ImportDefaultSpecifier} ImportDefaultSpecifier */\n/** @typedef {import(\"estree\").ImportNamespaceSpecifier} ImportNamespaceSpecifier */\n/** @typedef {import(\"estree\").ExportSpecifier} ExportSpecifier */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").AssignmentProperty} AssignmentProperty */\n/** @typedef {import(\"estree\").Literal} Literal */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Node} TSESTreeNode */\n/** @typedef {import(\"./types.mjs\").ReferenceTrackerOptions} ReferenceTrackerOptions */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMap} TraceMap\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMapObject} TraceMapObject\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TrackedReferences} TrackedReferences\n */\n\nconst IMPORT_TYPE = /^(?:Import|Export(?:All|Default|Named))Declaration$/u\n\n/**\n * Check whether a given node is an import node or not.\n * @param {Node} node\n * @returns {node is ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration&{source: Literal}} `true` if the node is an import node.\n */\nfunction isHasSource(node) {\n return (\n IMPORT_TYPE.test(node.type) &&\n /** @type {ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration} */ (\n node\n ).source != null\n )\n}\nconst has =\n /** @type {(traceMap: TraceMap, v: T) => v is (string extends T ? string : T)} */ (\n Function.call.bind(Object.hasOwnProperty)\n )\n\nexport const READ = Symbol(\"read\")\nexport const CALL = Symbol(\"call\")\nexport const CONSTRUCT = Symbol(\"construct\")\nexport const ESM = Symbol(\"esm\")\n\nconst requireCall = { require: { [CALL]: true } }\n\n/**\n * Check whether a given variable is modified or not.\n * @param {Variable|undefined} variable The variable to check.\n * @returns {boolean} `true` if the variable is modified.\n */\nfunction isModifiedGlobal(variable) {\n return (\n variable == null ||\n variable.defs.length !== 0 ||\n variable.references.some((r) => r.isWrite())\n )\n}\n\n/**\n * Check if the value of a given node is passed through to the parent syntax as-is.\n * For example, `a` and `b` in (`a || b` and `c ? a : b`) are passed through.\n * @param {Node} node A node to check.\n * @returns {node is RuleNode & {parent: Expression}} `true` if the node is passed through.\n */\nfunction isPassThrough(node) {\n const parent = /** @type {TSESTreeNode} */ (node).parent\n\n if (parent) {\n switch (parent.type) {\n case \"ConditionalExpression\":\n return parent.consequent === node || parent.alternate === node\n case \"LogicalExpression\":\n return true\n case \"SequenceExpression\":\n return (\n parent.expressions[parent.expressions.length - 1] === node\n )\n case \"ChainExpression\":\n return true\n case \"TSAsExpression\":\n case \"TSSatisfiesExpression\":\n case \"TSTypeAssertion\":\n case \"TSNonNullExpression\":\n case \"TSInstantiationExpression\":\n return true\n\n default:\n return false\n }\n }\n return false\n}\n\n/**\n * The reference tracker.\n */\nexport class ReferenceTracker {\n /**\n * Initialize this tracker.\n * @param {Scope} globalScope The global scope.\n * @param {object} [options] The options.\n * @param {\"legacy\"|\"strict\"} [options.mode=\"strict\"] The mode to determine the ImportDeclaration's behavior for CJS modules.\n * @param {string[]} [options.globalObjectNames=[\"global\",\"globalThis\",\"self\",\"window\"]] The variable names for Global Object.\n */\n constructor(globalScope, options = {}) {\n const {\n mode = \"strict\",\n globalObjectNames = [\"global\", \"globalThis\", \"self\", \"window\"],\n } = options\n /** @private @type {Variable[]} */\n this.variableStack = []\n /** @private */\n this.globalScope = globalScope\n /** @private */\n this.mode = mode\n /** @private */\n this.globalObjectNames = globalObjectNames.slice(0)\n }\n\n /**\n * Iterate the references of global variables.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateGlobalReferences(traceMap) {\n for (const key of Object.keys(traceMap)) {\n const nextTraceMap = traceMap[key]\n const path = [key]\n const variable = this.globalScope.set.get(key)\n\n if (isModifiedGlobal(variable)) {\n continue\n }\n\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (variable),\n path,\n nextTraceMap,\n true,\n )\n }\n\n for (const key of this.globalObjectNames) {\n /** @type {string[]} */\n const path = []\n const variable = this.globalScope.set.get(key)\n\n if (isModifiedGlobal(variable)) {\n continue\n }\n\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (variable),\n path,\n traceMap,\n false,\n )\n }\n }\n\n /**\n * Iterate the references of CommonJS modules.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateCjsReferences(traceMap) {\n for (const { node } of this.iterateGlobalReferences(requireCall)) {\n const key = getStringIfConstant(\n /** @type {CallExpression} */ (node).arguments[0],\n )\n if (key == null || !has(traceMap, key)) {\n continue\n }\n\n const nextTraceMap = traceMap[key]\n const path = [key]\n\n if (nextTraceMap[READ]) {\n yield {\n node,\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iteratePropertyReferences(\n /** @type {CallExpression} */ (node),\n path,\n nextTraceMap,\n )\n }\n }\n\n /**\n * Iterate the references of ES modules.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateEsmReferences(traceMap) {\n const programNode = /** @type {Program} */ (this.globalScope.block)\n\n for (const node of programNode.body) {\n if (!isHasSource(node)) {\n continue\n }\n const moduleId = /** @type {string} */ (node.source.value)\n\n if (!has(traceMap, moduleId)) {\n continue\n }\n const nextTraceMap = traceMap[moduleId]\n const path = [moduleId]\n\n if (nextTraceMap[READ]) {\n yield {\n // eslint-disable-next-line object-shorthand -- apply type\n node: /** @type {RuleNode} */ (node),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n\n if (node.type === \"ExportAllDeclaration\") {\n for (const key of Object.keys(nextTraceMap)) {\n const exportTraceMap = nextTraceMap[key]\n if (exportTraceMap[READ]) {\n yield {\n // eslint-disable-next-line object-shorthand -- apply type\n node: /** @type {RuleNode} */ (node),\n path: path.concat(key),\n type: READ,\n info: exportTraceMap[READ],\n }\n }\n }\n } else {\n for (const specifier of node.specifiers) {\n const esm = has(nextTraceMap, ESM)\n const it = this._iterateImportReferences(\n specifier,\n path,\n esm\n ? nextTraceMap\n : this.mode === \"legacy\"\n ? { default: nextTraceMap, ...nextTraceMap }\n : { default: nextTraceMap },\n )\n\n if (esm) {\n yield* it\n } else {\n for (const report of it) {\n report.path = report.path.filter(exceptDefault)\n if (\n report.path.length >= 2 ||\n report.type !== READ\n ) {\n yield report\n }\n }\n }\n }\n }\n }\n }\n\n /**\n * Iterate the property references for a given expression AST node.\n * @template T\n * @param {Expression} node The expression AST node to iterate property references.\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate property references.\n */\n *iteratePropertyReferences(node, traceMap) {\n yield* this._iteratePropertyReferences(node, [], traceMap)\n }\n\n /**\n * Iterate the references for a given variable.\n * @private\n * @template T\n * @param {Variable} variable The variable to iterate that references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @param {boolean} shouldReport = The flag to report those references.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateVariableReferences(variable, path, traceMap, shouldReport) {\n if (this.variableStack.includes(variable)) {\n return\n }\n this.variableStack.push(variable)\n try {\n for (const reference of variable.references) {\n if (!reference.isRead()) {\n continue\n }\n const node = /** @type {RuleNode & Identifier} */ (\n reference.identifier\n )\n\n if (shouldReport && traceMap[READ]) {\n yield { node, path, type: READ, info: traceMap[READ] }\n }\n yield* this._iteratePropertyReferences(node, path, traceMap)\n }\n } finally {\n this.variableStack.pop()\n }\n }\n\n /**\n * Iterate the references for a given AST node.\n * @private\n * @template T\n * @param {Expression} rootNode The AST node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n //eslint-disable-next-line complexity\n *_iteratePropertyReferences(rootNode, path, traceMap) {\n let node = rootNode\n while (isPassThrough(node)) {\n node = node.parent\n }\n\n const parent = /** @type {RuleNode} */ (node).parent\n if (parent.type === \"MemberExpression\") {\n if (parent.object === node) {\n const key = getPropertyName(parent)\n if (key == null || !has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: parent,\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iteratePropertyReferences(\n parent,\n path,\n nextTraceMap,\n )\n }\n return\n }\n if (parent.type === \"CallExpression\") {\n if (parent.callee === node && traceMap[CALL]) {\n yield { node: parent, path, type: CALL, info: traceMap[CALL] }\n }\n return\n }\n if (parent.type === \"NewExpression\") {\n if (parent.callee === node && traceMap[CONSTRUCT]) {\n yield {\n node: parent,\n path,\n type: CONSTRUCT,\n info: traceMap[CONSTRUCT],\n }\n }\n return\n }\n if (parent.type === \"AssignmentExpression\") {\n if (parent.right === node) {\n yield* this._iterateLhsReferences(parent.left, path, traceMap)\n yield* this._iteratePropertyReferences(parent, path, traceMap)\n }\n return\n }\n if (parent.type === \"AssignmentPattern\") {\n if (parent.right === node) {\n yield* this._iterateLhsReferences(parent.left, path, traceMap)\n }\n return\n }\n if (parent.type === \"VariableDeclarator\") {\n if (parent.init === node) {\n yield* this._iterateLhsReferences(parent.id, path, traceMap)\n }\n }\n }\n\n /**\n * Iterate the references for a given Pattern node.\n * @private\n * @template T\n * @param {Pattern} patternNode The Pattern node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateLhsReferences(patternNode, path, traceMap) {\n if (patternNode.type === \"Identifier\") {\n const variable = findVariable(this.globalScope, patternNode)\n if (variable != null) {\n yield* this._iterateVariableReferences(\n variable,\n path,\n traceMap,\n false,\n )\n }\n return\n }\n if (patternNode.type === \"ObjectPattern\") {\n for (const property of patternNode.properties) {\n const key = getPropertyName(\n /** @type {AssignmentProperty} */ (property),\n )\n\n if (key == null || !has(traceMap, key)) {\n continue\n }\n\n const nextPath = path.concat(key)\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (property),\n path: nextPath,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iterateLhsReferences(\n /** @type {AssignmentProperty} */ (property).value,\n nextPath,\n nextTraceMap,\n )\n }\n return\n }\n if (patternNode.type === \"AssignmentPattern\") {\n yield* this._iterateLhsReferences(patternNode.left, path, traceMap)\n }\n }\n\n /**\n * Iterate the references for a given ModuleSpecifier node.\n * @private\n * @template T\n * @param {ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier} specifierNode The ModuleSpecifier node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateImportReferences(specifierNode, path, traceMap) {\n const type = specifierNode.type\n\n if (type === \"ImportSpecifier\" || type === \"ImportDefaultSpecifier\") {\n const key =\n type === \"ImportDefaultSpecifier\"\n ? \"default\"\n : specifierNode.imported.type === \"Identifier\"\n ? specifierNode.imported.name\n : specifierNode.imported.value\n if (!has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (specifierNode),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (\n findVariable(this.globalScope, specifierNode.local)\n ),\n path,\n nextTraceMap,\n false,\n )\n\n return\n }\n\n if (type === \"ImportNamespaceSpecifier\") {\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (\n findVariable(this.globalScope, specifierNode.local)\n ),\n path,\n traceMap,\n false,\n )\n return\n }\n\n if (type === \"ExportSpecifier\") {\n const key =\n specifierNode.local.type === \"Identifier\"\n ? specifierNode.local.name\n : specifierNode.local.value\n if (!has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (specifierNode),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n }\n }\n}\n\nReferenceTracker.READ = READ\nReferenceTracker.CALL = CALL\nReferenceTracker.CONSTRUCT = CONSTRUCT\nReferenceTracker.ESM = ESM\n\n/**\n * This is a predicate function for Array#filter.\n * @param {string} name A name part.\n * @param {number} index The index of the name.\n * @returns {boolean} `false` if it's default.\n */\nfunction exceptDefault(name, index) {\n return !(index === 1 && name === \"default\")\n}\n","/** @typedef {import(\"./types.mjs\").StaticValue} StaticValue */\n/** @typedef {import(\"./types.mjs\").StaticValueOptional} StaticValueOptional */\n/** @typedef {import(\"./types.mjs\").StaticValueProvided} StaticValueProvided */\n/** @typedef {import(\"./types.mjs\").ReferenceTrackerOptions} ReferenceTrackerOptions */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMap} TraceMap\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TrackedReferences} TrackedReferences\n */\n/** @typedef {import(\"./types.mjs\").HasSideEffectOptions} HasSideEffectOptions */\n/** @typedef {import(\"./types.mjs\").ArrowToken} ArrowToken */\n/** @typedef {import(\"./types.mjs\").CommaToken} CommaToken */\n/** @typedef {import(\"./types.mjs\").SemicolonToken} SemicolonToken */\n/** @typedef {import(\"./types.mjs\").ColonToken} ColonToken */\n/** @typedef {import(\"./types.mjs\").OpeningParenToken} OpeningParenToken */\n/** @typedef {import(\"./types.mjs\").ClosingParenToken} ClosingParenToken */\n/** @typedef {import(\"./types.mjs\").OpeningBracketToken} OpeningBracketToken */\n/** @typedef {import(\"./types.mjs\").ClosingBracketToken} ClosingBracketToken */\n/** @typedef {import(\"./types.mjs\").OpeningBraceToken} OpeningBraceToken */\n/** @typedef {import(\"./types.mjs\").ClosingBraceToken} ClosingBraceToken */\n\nimport { findVariable } from \"./find-variable.mjs\"\nimport { getFunctionHeadLocation } from \"./get-function-head-location.mjs\"\nimport { getFunctionNameWithKind } from \"./get-function-name-with-kind.mjs\"\nimport { getInnermostScope } from \"./get-innermost-scope.mjs\"\nimport { getPropertyName } from \"./get-property-name.mjs\"\nimport { getStaticValue } from \"./get-static-value.mjs\"\nimport { getStringIfConstant } from \"./get-string-if-constant.mjs\"\nimport { hasSideEffect } from \"./has-side-effect.mjs\"\nimport { isParenthesized } from \"./is-parenthesized.mjs\"\nimport { PatternMatcher } from \"./pattern-matcher.mjs\"\nimport {\n CALL,\n CONSTRUCT,\n ESM,\n READ,\n ReferenceTracker,\n} from \"./reference-tracker.mjs\"\nimport {\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isSemicolonToken,\n} from \"./token-predicate.mjs\"\n\nexport default {\n CALL,\n CONSTRUCT,\n ESM,\n findVariable,\n getFunctionHeadLocation,\n getFunctionNameWithKind,\n getInnermostScope,\n getPropertyName,\n getStaticValue,\n getStringIfConstant,\n hasSideEffect,\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isParenthesized,\n isSemicolonToken,\n PatternMatcher,\n READ,\n ReferenceTracker,\n}\nexport {\n CALL,\n CONSTRUCT,\n ESM,\n findVariable,\n getFunctionHeadLocation,\n getFunctionNameWithKind,\n getInnermostScope,\n getPropertyName,\n getStaticValue,\n getStringIfConstant,\n hasSideEffect,\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isParenthesized,\n isSemicolonToken,\n PatternMatcher,\n READ,\n 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\ No newline at end of file diff --git a/node_modules/@eslint-community/eslint-utils/index.mjs b/node_modules/@eslint-community/eslint-utils/index.mjs new file mode 100644 index 000000000..9a647b8ce --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/index.mjs @@ -0,0 +1,2566 @@ +import { getKeys, KEYS } from 'eslint-visitor-keys'; + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").Node} Node */ + +/** + * Get the innermost scope which contains a given location. + * @param {Scope} initialScope The initial scope to search. + * @param {Node} node The location to search. + * @returns {Scope} The innermost scope. + */ +function getInnermostScope(initialScope, node) { + const location = /** @type {[number, number]} */ (node.range)[0]; + + let scope = initialScope; + let found = false; + do { + found = false; + for (const childScope of scope.childScopes) { + const range = /** @type {[number, number]} */ ( + childScope.block.range + ); + + if (range[0] <= location && location < range[1]) { + scope = childScope; + found = true; + break + } + } + } while (found) + + return scope +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Find the variable of a given name. + * @param {Scope} initialScope The scope to start finding. + * @param {string|Identifier} nameOrNode The variable name to find. If this is a Node object then it should be an Identifier node. + * @returns {Variable|null} The found variable or null. + */ +function findVariable(initialScope, nameOrNode) { + let name = ""; + /** @type {Scope|null} */ + let scope = initialScope; + + if (typeof nameOrNode === "string") { + name = nameOrNode; + } else { + name = nameOrNode.name; + scope = getInnermostScope(scope, nameOrNode); + } + + while (scope != null) { + const variable = scope.set.get(name); + if (variable != null) { + return variable + } + scope = scope.upper; + } + + return null +} + +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("estree").Comment} Comment */ +/** @typedef {import("./types.mjs").ArrowToken} ArrowToken */ +/** @typedef {import("./types.mjs").CommaToken} CommaToken */ +/** @typedef {import("./types.mjs").SemicolonToken} SemicolonToken */ +/** @typedef {import("./types.mjs").ColonToken} ColonToken */ +/** @typedef {import("./types.mjs").OpeningParenToken} OpeningParenToken */ +/** @typedef {import("./types.mjs").ClosingParenToken} ClosingParenToken */ +/** @typedef {import("./types.mjs").OpeningBracketToken} OpeningBracketToken */ +/** @typedef {import("./types.mjs").ClosingBracketToken} ClosingBracketToken */ +/** @typedef {import("./types.mjs").OpeningBraceToken} OpeningBraceToken */ +/** @typedef {import("./types.mjs").ClosingBraceToken} ClosingBraceToken */ +/** + * @template {string} Value + * @typedef {import("./types.mjs").PunctuatorToken} PunctuatorToken + */ + +/** @typedef {Comment | Token} CommentOrToken */ + +/** + * Creates the negate function of the given function. + * @param {function(CommentOrToken):boolean} f - The function to negate. + * @returns {function(CommentOrToken):boolean} Negated function. + */ +function negate(f) { + return (token) => !f(token) +} + +/** + * Checks if the given token is a PunctuatorToken with the given value + * @template {string} Value + * @param {CommentOrToken} token - The token to check. + * @param {Value} value - The value to check. + * @returns {token is PunctuatorToken} `true` if the token is a PunctuatorToken with the given value. + */ +function isPunctuatorTokenWithValue(token, value) { + return token.type === "Punctuator" && token.value === value +} + +/** + * Checks if the given token is an arrow token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ArrowToken} `true` if the token is an arrow token. + */ +function isArrowToken(token) { + return isPunctuatorTokenWithValue(token, "=>") +} + +/** + * Checks if the given token is a comma token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is CommaToken} `true` if the token is a comma token. + */ +function isCommaToken(token) { + return isPunctuatorTokenWithValue(token, ",") +} + +/** + * Checks if the given token is a semicolon token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is SemicolonToken} `true` if the token is a semicolon token. + */ +function isSemicolonToken(token) { + return isPunctuatorTokenWithValue(token, ";") +} + +/** + * Checks if the given token is a colon token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ColonToken} `true` if the token is a colon token. + */ +function isColonToken(token) { + return isPunctuatorTokenWithValue(token, ":") +} + +/** + * Checks if the given token is an opening parenthesis token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningParenToken} `true` if the token is an opening parenthesis token. + */ +function isOpeningParenToken(token) { + return isPunctuatorTokenWithValue(token, "(") +} + +/** + * Checks if the given token is a closing parenthesis token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingParenToken} `true` if the token is a closing parenthesis token. + */ +function isClosingParenToken(token) { + return isPunctuatorTokenWithValue(token, ")") +} + +/** + * Checks if the given token is an opening square bracket token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningBracketToken} `true` if the token is an opening square bracket token. + */ +function isOpeningBracketToken(token) { + return isPunctuatorTokenWithValue(token, "[") +} + +/** + * Checks if the given token is a closing square bracket token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingBracketToken} `true` if the token is a closing square bracket token. + */ +function isClosingBracketToken(token) { + return isPunctuatorTokenWithValue(token, "]") +} + +/** + * Checks if the given token is an opening brace token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is OpeningBraceToken} `true` if the token is an opening brace token. + */ +function isOpeningBraceToken(token) { + return isPunctuatorTokenWithValue(token, "{") +} + +/** + * Checks if the given token is a closing brace token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is ClosingBraceToken} `true` if the token is a closing brace token. + */ +function isClosingBraceToken(token) { + return isPunctuatorTokenWithValue(token, "}") +} + +/** + * Checks if the given token is a comment token or not. + * @param {CommentOrToken} token - The token to check. + * @returns {token is Comment} `true` if the token is a comment token. + */ +function isCommentToken(token) { + return ["Block", "Line", "Shebang"].includes(token.type) +} + +const isNotArrowToken = negate(isArrowToken); +const isNotCommaToken = negate(isCommaToken); +const isNotSemicolonToken = negate(isSemicolonToken); +const isNotColonToken = negate(isColonToken); +const isNotOpeningParenToken = negate(isOpeningParenToken); +const isNotClosingParenToken = negate(isClosingParenToken); +const isNotOpeningBracketToken = negate(isOpeningBracketToken); +const isNotClosingBracketToken = negate(isClosingBracketToken); +const isNotOpeningBraceToken = negate(isOpeningBraceToken); +const isNotClosingBraceToken = negate(isClosingBraceToken); +const isNotCommentToken = negate(isCommentToken); + +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("estree").Function} FunctionNode */ +/** @typedef {import("estree").FunctionDeclaration} FunctionDeclaration */ +/** @typedef {import("estree").FunctionExpression} FunctionExpression */ +/** @typedef {import("estree").SourceLocation} SourceLocation */ +/** @typedef {import("estree").Position} Position */ + +/** + * Get the `(` token of the given function node. + * @param {FunctionExpression | FunctionDeclaration} node - The function node to get. + * @param {SourceCode} sourceCode - The source code object to get tokens. + * @returns {Token} `(` token. + */ +function getOpeningParenOfParams(node, sourceCode) { + return node.id + ? /** @type {Token} */ ( + sourceCode.getTokenAfter(node.id, isOpeningParenToken) + ) + : /** @type {Token} */ ( + sourceCode.getFirstToken(node, isOpeningParenToken) + ) +} + +/** + * Get the location of the given function node for reporting. + * @param {FunctionNode} node - The function node to get. + * @param {SourceCode} sourceCode - The source code object to get tokens. + * @returns {SourceLocation|null} The location of the function node for reporting. + */ +function getFunctionHeadLocation(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + + /** @type {Position|null} */ + let start = null; + /** @type {Position|null} */ + let end = null; + + if (node.type === "ArrowFunctionExpression") { + const arrowToken = /** @type {Token} */ ( + sourceCode.getTokenBefore(node.body, isArrowToken) + ); + + start = arrowToken.loc.start; + end = arrowToken.loc.end; + } else if ( + parent.type === "Property" || + parent.type === "MethodDefinition" || + parent.type === "PropertyDefinition" + ) { + start = /** @type {SourceLocation} */ (parent.loc).start; + end = getOpeningParenOfParams(node, sourceCode).loc.start; + } else { + start = /** @type {SourceLocation} */ (node.loc).start; + end = getOpeningParenOfParams(node, sourceCode).loc.start; + } + + return { + start: { ...start }, + end: { ...end }, + } +} + +/* globals globalThis, global, self, window */ +/** @typedef {import("./types.mjs").StaticValue} StaticValue */ +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Node} TSESTreeNode */ +/** @typedef {import("@typescript-eslint/types").TSESTree.AST_NODE_TYPES} TSESTreeNodeTypes */ +/** @typedef {import("@typescript-eslint/types").TSESTree.MemberExpression} MemberExpression */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Property} Property */ +/** @typedef {import("@typescript-eslint/types").TSESTree.RegExpLiteral} RegExpLiteral */ +/** @typedef {import("@typescript-eslint/types").TSESTree.BigIntLiteral} BigIntLiteral */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Literal} Literal */ + +const globalObject = + typeof globalThis !== "undefined" + ? globalThis + : // @ts-ignore + typeof self !== "undefined" + ? // @ts-ignore + self + : // @ts-ignore + typeof window !== "undefined" + ? // @ts-ignore + window + : typeof global !== "undefined" + ? global + : {}; + +const builtinNames = Object.freeze( + new Set([ + "Array", + "ArrayBuffer", + "BigInt", + "BigInt64Array", + "BigUint64Array", + "Boolean", + "DataView", + "Date", + "decodeURI", + "decodeURIComponent", + "encodeURI", + "encodeURIComponent", + "escape", + "Float32Array", + "Float64Array", + "Function", + "Infinity", + "Int16Array", + "Int32Array", + "Int8Array", + "isFinite", + "isNaN", + "isPrototypeOf", + "JSON", + "Map", + "Math", + "NaN", + "Number", + "Object", + "parseFloat", + "parseInt", + "Promise", + "Proxy", + "Reflect", + "RegExp", + "Set", + "String", + "Symbol", + "Uint16Array", + "Uint32Array", + "Uint8Array", + "Uint8ClampedArray", + "undefined", + "unescape", + "WeakMap", + "WeakSet", + ]), +); +const callAllowed = new Set( + [ + Array.isArray, + Array.of, + Array.prototype.at, + Array.prototype.concat, + Array.prototype.entries, + Array.prototype.every, + Array.prototype.filter, + Array.prototype.find, + Array.prototype.findIndex, + Array.prototype.flat, + Array.prototype.includes, + Array.prototype.indexOf, + Array.prototype.join, + Array.prototype.keys, + Array.prototype.lastIndexOf, + Array.prototype.slice, + Array.prototype.some, + Array.prototype.toString, + Array.prototype.values, + typeof BigInt === "function" ? BigInt : undefined, + Boolean, + Date, + Date.parse, + decodeURI, + decodeURIComponent, + encodeURI, + encodeURIComponent, + escape, + isFinite, + isNaN, + // @ts-ignore + isPrototypeOf, + Map, + Map.prototype.entries, + Map.prototype.get, + Map.prototype.has, + Map.prototype.keys, + Map.prototype.values, + .../** @type {(keyof typeof Math)[]} */ ( + Object.getOwnPropertyNames(Math) + ) + .filter((k) => k !== "random") + .map((k) => Math[k]) + .filter((f) => typeof f === "function"), + Number, + Number.isFinite, + Number.isNaN, + Number.parseFloat, + Number.parseInt, + Number.prototype.toExponential, + Number.prototype.toFixed, + Number.prototype.toPrecision, + Number.prototype.toString, + Object, + Object.entries, + Object.is, + Object.isExtensible, + Object.isFrozen, + Object.isSealed, + Object.keys, + Object.values, + parseFloat, + parseInt, + RegExp, + Set, + Set.prototype.entries, + Set.prototype.has, + Set.prototype.keys, + Set.prototype.values, + String, + String.fromCharCode, + String.fromCodePoint, + String.raw, + String.prototype.at, + String.prototype.charAt, + String.prototype.charCodeAt, + String.prototype.codePointAt, + String.prototype.concat, + String.prototype.endsWith, + String.prototype.includes, + String.prototype.indexOf, + String.prototype.lastIndexOf, + String.prototype.normalize, + String.prototype.padEnd, + String.prototype.padStart, + String.prototype.slice, + String.prototype.startsWith, + String.prototype.substr, + String.prototype.substring, + String.prototype.toLowerCase, + String.prototype.toString, + String.prototype.toUpperCase, + String.prototype.trim, + String.prototype.trimEnd, + String.prototype.trimLeft, + String.prototype.trimRight, + String.prototype.trimStart, + Symbol.for, + Symbol.keyFor, + unescape, + ].filter((f) => typeof f === "function"), +); +const callPassThrough = new Set([ + Object.freeze, + Object.preventExtensions, + Object.seal, +]); + +/** @type {ReadonlyArray]>} */ +const getterAllowed = [ + [Map, new Set(["size"])], + [ + RegExp, + new Set([ + "dotAll", + "flags", + "global", + "hasIndices", + "ignoreCase", + "multiline", + "source", + "sticky", + "unicode", + ]), + ], + [Set, new Set(["size"])], +]; + +/** + * Get the property descriptor. + * @param {object} object The object to get. + * @param {string|number|symbol} name The property name to get. + */ +function getPropertyDescriptor(object, name) { + let x = object; + while ((typeof x === "object" || typeof x === "function") && x !== null) { + const d = Object.getOwnPropertyDescriptor(x, name); + if (d) { + return d + } + x = Object.getPrototypeOf(x); + } + return null +} + +/** + * Check if a property is getter or not. + * @param {object} object The object to check. + * @param {string|number|symbol} name The property name to check. + */ +function isGetter(object, name) { + const d = getPropertyDescriptor(object, name); + return d != null && d.get != null +} + +/** + * Get the element values of a given node list. + * @param {(Node|TSESTreeNode|null)[]} nodeList The node list to get values. + * @param {Scope|undefined|null} initialScope The initial scope to find variables. + * @returns {any[]|null} The value list if all nodes are constant. Otherwise, null. + */ +function getElementValues(nodeList, initialScope) { + const valueList = []; + + for (let i = 0; i < nodeList.length; ++i) { + const elementNode = nodeList[i]; + + if (elementNode == null) { + valueList.length = i + 1; + } else if (elementNode.type === "SpreadElement") { + const argument = getStaticValueR(elementNode.argument, initialScope); + if (argument == null) { + return null + } + valueList.push(.../** @type {Iterable} */ (argument.value)); + } else { + const element = getStaticValueR(elementNode, initialScope); + if (element == null) { + return null + } + valueList.push(element.value); + } + } + + return valueList +} + +/** + * Checks if a variable is a built-in global. + * @param {Variable|null} variable The variable to check. + * @returns {variable is Variable & {defs:[]}} + */ +function isBuiltinGlobal(variable) { + return ( + variable != null && + variable.defs.length === 0 && + builtinNames.has(variable.name) && + variable.name in globalObject + ) +} + +/** + * Checks if a variable can be considered as a constant. + * @param {Variable} variable + * @returns {variable is Variable & {defs: [import("eslint").Scope.Definition & { type: "Variable" }]}} True if the variable can be considered as a constant. + */ +function canBeConsideredConst(variable) { + if (variable.defs.length !== 1) { + return false + } + const def = variable.defs[0]; + return Boolean( + def.parent && + def.type === "Variable" && + (def.parent.kind === "const" || isEffectivelyConst(variable)), + ) +} + +/** + * Returns whether the given variable is never written to after initialization. + * @param {Variable} variable + * @returns {boolean} + */ +function isEffectivelyConst(variable) { + const refs = variable.references; + + const inits = refs.filter((r) => r.init).length; + const reads = refs.filter((r) => r.isReadOnly()).length; + if (inits === 1 && reads + inits === refs.length) { + // there is only one init and all other references only read + return true + } + return false +} + +/** + * Checks if a variable has mutation in its property. + * @param {Variable} variable The variable to check. + * @param {Scope|null} initialScope The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {boolean} True if the variable has mutation in its property. + */ +function hasMutationInProperty(variable, initialScope) { + for (const ref of variable.references) { + let node = /** @type {TSESTreeNode} */ (ref.identifier); + while (node && node.parent && node.parent.type === "MemberExpression") { + node = node.parent; + } + if (!node || !node.parent) { + continue + } + if ( + (node.parent.type === "AssignmentExpression" && + node.parent.left === node) || + (node.parent.type === "UpdateExpression" && + node.parent.argument === node) + ) { + // This is a mutation. + return true + } + if ( + node.parent.type === "CallExpression" && + node.parent.callee === node && + node.type === "MemberExpression" + ) { + const methodName = getStaticPropertyNameValue(node, initialScope); + if (isNameOfMutationArrayMethod(methodName)) { + // This is a mutation. + return true + } + } + } + return false + + /** + * Checks if a method name is one of the mutation array methods. + * @param {StaticValue|null} methodName The method name to check. + * @returns {boolean} True if the method name is a mutation array method. + */ + function isNameOfMutationArrayMethod(methodName) { + if (methodName == null || methodName.value == null) { + return false + } + const name = methodName.value; + return ( + name === "copyWithin" || + name === "fill" || + name === "pop" || + name === "push" || + name === "reverse" || + name === "shift" || + name === "sort" || + name === "splice" || + name === "unshift" + ) + } +} + +/** + * @template {TSESTreeNodeTypes} T + * @callback VisitorCallback + * @param {TSESTreeNode & { type: T }} node + * @param {Scope|undefined|null} initialScope + * @returns {StaticValue | null} + */ +/** + * @typedef { { [K in TSESTreeNodeTypes]?: VisitorCallback } } Operations + */ +/** + * @type {Operations} + */ +const operations = Object.freeze({ + ArrayExpression(node, initialScope) { + const elements = getElementValues(node.elements, initialScope); + return elements != null ? { value: elements } : null + }, + + AssignmentExpression(node, initialScope) { + if (node.operator === "=") { + return getStaticValueR(node.right, initialScope) + } + return null + }, + + //eslint-disable-next-line complexity + BinaryExpression(node, initialScope) { + if (node.operator === "in" || node.operator === "instanceof") { + // Not supported. + return null + } + + const left = getStaticValueR(node.left, initialScope); + const right = getStaticValueR(node.right, initialScope); + if (left != null && right != null) { + switch (node.operator) { + case "==": + return { value: left.value == right.value } //eslint-disable-line eqeqeq + case "!=": + return { value: left.value != right.value } //eslint-disable-line eqeqeq + case "===": + return { value: left.value === right.value } + case "!==": + return { value: left.value !== right.value } + case "<": + return { + value: + /** @type {any} */ (left.value) < + /** @type {any} */ (right.value), + } + case "<=": + return { + value: + /** @type {any} */ (left.value) <= + /** @type {any} */ (right.value), + } + case ">": + return { + value: + /** @type {any} */ (left.value) > + /** @type {any} */ (right.value), + } + case ">=": + return { + value: + /** @type {any} */ (left.value) >= + /** @type {any} */ (right.value), + } + case "<<": + return { + value: + /** @type {any} */ (left.value) << + /** @type {any} */ (right.value), + } + case ">>": + return { + value: + /** @type {any} */ (left.value) >> + /** @type {any} */ (right.value), + } + case ">>>": + return { + value: + /** @type {any} */ (left.value) >>> + /** @type {any} */ (right.value), + } + case "+": + return { + value: + /** @type {any} */ (left.value) + + /** @type {any} */ (right.value), + } + case "-": + return { + value: + /** @type {any} */ (left.value) - + /** @type {any} */ (right.value), + } + case "*": + return { + value: + /** @type {any} */ (left.value) * + /** @type {any} */ (right.value), + } + case "/": + return { + value: + /** @type {any} */ (left.value) / + /** @type {any} */ (right.value), + } + case "%": + return { + value: + /** @type {any} */ (left.value) % + /** @type {any} */ (right.value), + } + case "**": + return { + value: + /** @type {any} */ (left.value) ** + /** @type {any} */ (right.value), + } + case "|": + return { + value: + /** @type {any} */ (left.value) | + /** @type {any} */ (right.value), + } + case "^": + return { + value: + /** @type {any} */ (left.value) ^ + /** @type {any} */ (right.value), + } + case "&": + return { + value: + /** @type {any} */ (left.value) & + /** @type {any} */ (right.value), + } + + // no default + } + } + + return null + }, + + CallExpression(node, initialScope) { + const calleeNode = node.callee; + const args = getElementValues(node.arguments, initialScope); + + if (args != null) { + if (calleeNode.type === "MemberExpression") { + if (calleeNode.property.type === "PrivateIdentifier") { + return null + } + const object = getStaticValueR(calleeNode.object, initialScope); + if (object != null) { + if ( + object.value == null && + (object.optional || node.optional) + ) { + return { value: undefined, optional: true } + } + const property = getStaticPropertyNameValue( + calleeNode, + initialScope, + ); + + if (property != null) { + const receiver = + /** @type {Record any>} */ ( + object.value + ); + const methodName = /** @type {PropertyKey} */ ( + property.value + ); + if (callAllowed.has(receiver[methodName])) { + return { + value: receiver[methodName](...args), + } + } + if (callPassThrough.has(receiver[methodName])) { + return { value: args[0] } + } + } + } + } else { + const callee = getStaticValueR(calleeNode, initialScope); + if (callee != null) { + if (callee.value == null && node.optional) { + return { value: undefined, optional: true } + } + const func = /** @type {(...args: any[]) => any} */ ( + callee.value + ); + if (callAllowed.has(func)) { + return { value: func(...args) } + } + if (callPassThrough.has(func)) { + return { value: args[0] } + } + } + } + } + + return null + }, + + ConditionalExpression(node, initialScope) { + const test = getStaticValueR(node.test, initialScope); + if (test != null) { + return test.value + ? getStaticValueR(node.consequent, initialScope) + : getStaticValueR(node.alternate, initialScope) + } + return null + }, + + ExpressionStatement(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + + Identifier(node, initialScope) { + if (initialScope != null) { + const variable = findVariable(initialScope, node); + + if (variable != null) { + // Built-in globals. + if (isBuiltinGlobal(variable)) { + return { value: globalObject[variable.name] } + } + + // Constants. + if (canBeConsideredConst(variable)) { + const def = variable.defs[0]; + if ( + // TODO(mysticatea): don't support destructuring here. + def.node.id.type === "Identifier" + ) { + const init = getStaticValueR( + def.node.init, + initialScope, + ); + if ( + init && + typeof init.value === "object" && + init.value !== null + ) { + if (hasMutationInProperty(variable, initialScope)) { + // This variable has mutation in its property. + return null + } + } + return init + } + } + } + } + return null + }, + + Literal(node) { + const literal = + /** @type {Partial & Partial & Partial} */ ( + node + ); + //istanbul ignore if : this is implementation-specific behavior. + if ( + (literal.regex != null || literal.bigint != null) && + literal.value == null + ) { + // It was a RegExp/BigInt literal, but Node.js didn't support it. + return null + } + return { value: literal.value } + }, + + LogicalExpression(node, initialScope) { + const left = getStaticValueR(node.left, initialScope); + if (left != null) { + if ( + (node.operator === "||" && Boolean(left.value) === true) || + (node.operator === "&&" && Boolean(left.value) === false) || + (node.operator === "??" && left.value != null) + ) { + return left + } + + const right = getStaticValueR(node.right, initialScope); + if (right != null) { + return right + } + } + + return null + }, + + MemberExpression(node, initialScope) { + if (node.property.type === "PrivateIdentifier") { + return null + } + const object = getStaticValueR(node.object, initialScope); + if (object != null) { + if (object.value == null && (object.optional || node.optional)) { + return { value: undefined, optional: true } + } + const property = getStaticPropertyNameValue(node, initialScope); + + if (property != null) { + if ( + !isGetter( + /** @type {object} */ (object.value), + /** @type {PropertyKey} */ (property.value), + ) + ) { + return { + value: /** @type {Record} */ ( + object.value + )[/** @type {PropertyKey} */ (property.value)], + } + } + + for (const [classFn, allowed] of getterAllowed) { + if ( + object.value instanceof classFn && + allowed.has(/** @type {string} */ (property.value)) + ) { + return { + value: /** @type {Record} */ ( + object.value + )[/** @type {PropertyKey} */ (property.value)], + } + } + } + } + } + return null + }, + + ChainExpression(node, initialScope) { + const expression = getStaticValueR(node.expression, initialScope); + if (expression != null) { + return { value: expression.value } + } + return null + }, + + NewExpression(node, initialScope) { + const callee = getStaticValueR(node.callee, initialScope); + const args = getElementValues(node.arguments, initialScope); + + if (callee != null && args != null) { + const Func = /** @type {new (...args: any[]) => any} */ ( + callee.value + ); + if (callAllowed.has(Func)) { + return { value: new Func(...args) } + } + } + + return null + }, + + ObjectExpression(node, initialScope) { + /** @type {Record} */ + const object = {}; + + for (const propertyNode of node.properties) { + if (propertyNode.type === "Property") { + if (propertyNode.kind !== "init") { + return null + } + const key = getStaticPropertyNameValue( + propertyNode, + initialScope, + ); + const value = getStaticValueR(propertyNode.value, initialScope); + if (key == null || value == null) { + return null + } + object[/** @type {PropertyKey} */ (key.value)] = value.value; + } else if ( + propertyNode.type === "SpreadElement" || + // @ts-expect-error -- Backward compatibility + propertyNode.type === "ExperimentalSpreadProperty" + ) { + const argument = getStaticValueR( + propertyNode.argument, + initialScope, + ); + if (argument == null) { + return null + } + Object.assign(object, argument.value); + } else { + return null + } + } + + return { value: object } + }, + + SequenceExpression(node, initialScope) { + const last = node.expressions[node.expressions.length - 1]; + return getStaticValueR(last, initialScope) + }, + + TaggedTemplateExpression(node, initialScope) { + const tag = getStaticValueR(node.tag, initialScope); + const expressions = getElementValues( + node.quasi.expressions, + initialScope, + ); + + if (tag != null && expressions != null) { + const func = /** @type {(...args: any[]) => any} */ (tag.value); + /** @type {any[] & { raw?: string[] }} */ + const strings = node.quasi.quasis.map((q) => q.value.cooked); + strings.raw = node.quasi.quasis.map((q) => q.value.raw); + + if (func === String.raw) { + return { value: func(strings, ...expressions) } + } + } + + return null + }, + + TemplateLiteral(node, initialScope) { + const expressions = getElementValues(node.expressions, initialScope); + if (expressions != null) { + let value = node.quasis[0].value.cooked; + for (let i = 0; i < expressions.length; ++i) { + value += expressions[i]; + value += /** @type {string} */ (node.quasis[i + 1].value.cooked); + } + return { value } + } + return null + }, + + UnaryExpression(node, initialScope) { + if (node.operator === "delete") { + // Not supported. + return null + } + if (node.operator === "void") { + return { value: undefined } + } + + const arg = getStaticValueR(node.argument, initialScope); + if (arg != null) { + switch (node.operator) { + case "-": + return { value: -(/** @type {any} */ (arg.value)) } + case "+": + return { value: +(/** @type {any} */ (arg.value)) } //eslint-disable-line no-implicit-coercion + case "!": + return { value: !arg.value } + case "~": + return { value: ~(/** @type {any} */ (arg.value)) } + case "typeof": + return { value: typeof arg.value } + + // no default + } + } + + return null + }, + TSAsExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSSatisfiesExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSTypeAssertion(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSNonNullExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, + TSInstantiationExpression(node, initialScope) { + return getStaticValueR(node.expression, initialScope) + }, +}); + +/** + * Get the value of a given node if it's a static value. + * @param {Node|TSESTreeNode|null|undefined} node The node to get. + * @param {Scope|undefined|null} initialScope The scope to start finding variable. + * @returns {StaticValue|null} The static value of the node, or `null`. + */ +function getStaticValueR(node, initialScope) { + if (node != null && Object.hasOwnProperty.call(operations, node.type)) { + return /** @type {VisitorCallback} */ (operations[node.type])( + /** @type {TSESTreeNode} */ (node), + initialScope, + ) + } + return null +} + +/** + * Get the static value of property name from a MemberExpression node or a Property node. + * @param {MemberExpression|Property} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {StaticValue|null} The static value of the property name of the node, or `null`. + */ +function getStaticPropertyNameValue(node, initialScope) { + const nameNode = node.type === "Property" ? node.key : node.property; + + if (node.computed) { + return getStaticValueR(nameNode, initialScope) + } + + if (nameNode.type === "Identifier") { + return { value: nameNode.name } + } + + if (nameNode.type === "Literal") { + if (/** @type {Partial} */ (nameNode).bigint) { + return { value: /** @type {BigIntLiteral} */ (nameNode).bigint } + } + return { value: String(nameNode.value) } + } + + return null +} + +/** + * Get the value of a given node if it's a static value. + * @param {Node} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If this scope was given, this tries to resolve identifier references which are in the given node as much as possible. + * @returns {StaticValue | null} The static value of the node, or `null`. + */ +function getStaticValue(node, initialScope = null) { + try { + return getStaticValueR(node, initialScope) + } catch (_error) { + return null + } +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("estree").RegExpLiteral} RegExpLiteral */ +/** @typedef {import("estree").BigIntLiteral} BigIntLiteral */ +/** @typedef {import("estree").SimpleLiteral} SimpleLiteral */ + +/** + * Get the value of a given node if it's a literal or a template literal. + * @param {Node} node The node to get. + * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is an Identifier node and this scope was given, this checks the variable of the identifier, and returns the value of it if the variable is a constant. + * @returns {string|null} The value of the node, or `null`. + */ +function getStringIfConstant(node, initialScope = null) { + // Handle the literals that the platform doesn't support natively. + if (node && node.type === "Literal" && node.value === null) { + const literal = + /** @type {Partial & Partial & Partial} */ ( + node + ); + if (literal.regex) { + return `/${literal.regex.pattern}/${literal.regex.flags}` + } + if (literal.bigint) { + return literal.bigint + } + } + + const evaluated = getStaticValue(node, initialScope); + + if (evaluated) { + // `String(Symbol.prototype)` throws error + try { + return String(evaluated.value) + } catch { + // No op + } + } + + return null +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("estree").MemberExpression} MemberExpression */ +/** @typedef {import("estree").MethodDefinition} MethodDefinition */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").PropertyDefinition} PropertyDefinition */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Get the property name from a MemberExpression node or a Property node. + * @param {MemberExpression | MethodDefinition | Property | PropertyDefinition} node The node to get. + * @param {Scope} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it. + * @returns {string|null|undefined} The property name of the node. + */ +function getPropertyName(node, initialScope) { + switch (node.type) { + case "MemberExpression": + if (node.computed) { + return getStringIfConstant(node.property, initialScope) + } + if (node.property.type === "PrivateIdentifier") { + return null + } + return /** @type {Partial} */ (node.property).name + + case "Property": + case "MethodDefinition": + case "PropertyDefinition": + if (node.computed) { + return getStringIfConstant(node.key, initialScope) + } + if (node.key.type === "Literal") { + return String(node.key.value) + } + if (node.key.type === "PrivateIdentifier") { + return null + } + return /** @type {Partial} */ (node.key).name + } + + return null +} + +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("estree").Function} FunctionNode */ +/** @typedef {import("estree").FunctionDeclaration} FunctionDeclaration */ +/** @typedef {import("estree").FunctionExpression} FunctionExpression */ +/** @typedef {import("estree").Identifier} Identifier */ + +/** + * Get the name and kind of the given function node. + * @param {FunctionNode} node - The function node to get. + * @param {SourceCode} [sourceCode] The source code object to get the code of computed property keys. + * @returns {string} The name and kind of the function node. + */ +// eslint-disable-next-line complexity +function getFunctionNameWithKind(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + const tokens = []; + const isObjectMethod = parent.type === "Property" && parent.value === node; + const isClassMethod = + parent.type === "MethodDefinition" && parent.value === node; + const isClassFieldMethod = + parent.type === "PropertyDefinition" && parent.value === node; + + // Modifiers. + if (isClassMethod || isClassFieldMethod) { + if (parent.static) { + tokens.push("static"); + } + if (parent.key.type === "PrivateIdentifier") { + tokens.push("private"); + } + } + if (node.async) { + tokens.push("async"); + } + if (node.generator) { + tokens.push("generator"); + } + + // Kinds. + if (isObjectMethod || isClassMethod) { + if (parent.kind === "constructor") { + return "constructor" + } + if (parent.kind === "get") { + tokens.push("getter"); + } else if (parent.kind === "set") { + tokens.push("setter"); + } else { + tokens.push("method"); + } + } else if (isClassFieldMethod) { + tokens.push("method"); + } else { + if (node.type === "ArrowFunctionExpression") { + tokens.push("arrow"); + } + tokens.push("function"); + } + + // Names. + if (isObjectMethod || isClassMethod || isClassFieldMethod) { + if (parent.key.type === "PrivateIdentifier") { + tokens.push(`#${parent.key.name}`); + } else { + const name = getPropertyName(parent); + if (name) { + tokens.push(`'${name}'`); + } else if (sourceCode) { + const keyText = sourceCode.getText(parent.key); + if (!keyText.includes("\n")) { + tokens.push(`[${keyText}]`); + } + } + } + } else if (hasId(node)) { + tokens.push(`'${node.id.name}'`); + } else if ( + parent.type === "VariableDeclarator" && + parent.id && + parent.id.type === "Identifier" + ) { + tokens.push(`'${parent.id.name}'`); + } else if ( + (parent.type === "AssignmentExpression" || + parent.type === "AssignmentPattern") && + parent.left && + parent.left.type === "Identifier" + ) { + tokens.push(`'${parent.left.name}'`); + } else if ( + parent.type === "ExportDefaultDeclaration" && + parent.declaration === node + ) { + tokens.push("'default'"); + } + + return tokens.join(" ") +} + +/** + * @param {FunctionNode} node + * @returns {node is FunctionDeclaration | FunctionExpression & { id: Identifier }} + */ +function hasId(node) { + return Boolean( + /** @type {Partial} */ (node) + .id, + ) +} + +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("./types.mjs").HasSideEffectOptions} HasSideEffectOptions */ +/** @typedef {import("estree").BinaryExpression} BinaryExpression */ +/** @typedef {import("estree").MemberExpression} MemberExpression */ +/** @typedef {import("estree").MethodDefinition} MethodDefinition */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").PropertyDefinition} PropertyDefinition */ +/** @typedef {import("estree").UnaryExpression} UnaryExpression */ + +const typeConversionBinaryOps = Object.freeze( + new Set([ + "==", + "!=", + "<", + "<=", + ">", + ">=", + "<<", + ">>", + ">>>", + "+", + "-", + "*", + "/", + "%", + "|", + "^", + "&", + "in", + ]), +); +const typeConversionUnaryOps = Object.freeze(new Set(["-", "+", "!", "~"])); + +/** + * Check whether the given value is an ASTNode or not. + * @param {any} x The value to check. + * @returns {x is Node} `true` if the value is an ASTNode. + */ +function isNode(x) { + return x !== null && typeof x === "object" && typeof x.type === "string" +} + +const visitor = Object.freeze( + Object.assign(Object.create(null), { + /** + * @param {Node} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + $visit(node, options, visitorKeys) { + const { type } = node; + + if (typeof (/** @type {any} */ (this)[type]) === "function") { + return /** @type {any} */ (this)[type]( + node, + options, + visitorKeys, + ) + } + + return this.$visitChildren(node, options, visitorKeys) + }, + + /** + * @param {Node} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + $visitChildren(node, options, visitorKeys) { + const { type } = node; + + for (const key of /** @type {(keyof Node)[]} */ ( + visitorKeys[type] || getKeys(node) + )) { + const value = node[key]; + + if (Array.isArray(value)) { + for (const element of value) { + if ( + isNode(element) && + this.$visit(element, options, visitorKeys) + ) { + return true + } + } + } else if ( + isNode(value) && + this.$visit(value, options, visitorKeys) + ) { + return true + } + } + + return false + }, + + ArrowFunctionExpression() { + return false + }, + AssignmentExpression() { + return true + }, + AwaitExpression() { + return true + }, + /** + * @param {BinaryExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + BinaryExpression(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + typeConversionBinaryOps.has(node.operator) && + (node.left.type !== "Literal" || node.right.type !== "Literal") + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + CallExpression() { + return true + }, + FunctionExpression() { + return false + }, + ImportExpression() { + return true + }, + /** + * @param {MemberExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + MemberExpression(node, options, visitorKeys) { + if (options.considerGetters) { + return true + } + if ( + options.considerImplicitTypeConversion && + node.computed && + node.property.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {MethodDefinition} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + MethodDefinition(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + NewExpression() { + return true + }, + /** + * @param {Property} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + Property(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {PropertyDefinition} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + PropertyDefinition(node, options, visitorKeys) { + if ( + options.considerImplicitTypeConversion && + node.computed && + node.key.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + /** + * @param {UnaryExpression} node + * @param {HasSideEffectOptions} options + * @param {Record} visitorKeys + */ + UnaryExpression(node, options, visitorKeys) { + if (node.operator === "delete") { + return true + } + if ( + options.considerImplicitTypeConversion && + typeConversionUnaryOps.has(node.operator) && + node.argument.type !== "Literal" + ) { + return true + } + return this.$visitChildren(node, options, visitorKeys) + }, + UpdateExpression() { + return true + }, + YieldExpression() { + return true + }, + }), +); + +/** + * Check whether a given node has any side effect or not. + * @param {Node} node The node to get. + * @param {SourceCode} sourceCode The source code object. + * @param {HasSideEffectOptions} [options] The option object. + * @returns {boolean} `true` if the node has a certain side effect. + */ +function hasSideEffect(node, sourceCode, options = {}) { + const { considerGetters = false, considerImplicitTypeConversion = false } = + options; + return visitor.$visit( + node, + { considerGetters, considerImplicitTypeConversion }, + sourceCode.visitorKeys || KEYS, + ) +} + +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("@typescript-eslint/types").TSESTree.NewExpression} TSNewExpression */ +/** @typedef {import("@typescript-eslint/types").TSESTree.CallExpression} TSCallExpression */ +/** @typedef {import("eslint").SourceCode} SourceCode */ +/** @typedef {import("eslint").AST.Token} Token */ +/** @typedef {import("eslint").Rule.Node} RuleNode */ + +/** + * Get the left parenthesis of the parent node syntax if it exists. + * E.g., `if (a) {}` then the `(`. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {Token|null} The left parenthesis of the parent node syntax + */ +// eslint-disable-next-line complexity +function getParentSyntaxParen(node, sourceCode) { + const parent = /** @type {RuleNode} */ (node).parent; + + switch (parent.type) { + case "CallExpression": + case "NewExpression": + if (parent.arguments.length === 1 && parent.arguments[0] === node) { + return sourceCode.getTokenAfter( + // @ts-expect-error https://github.com/typescript-eslint/typescript-eslint/pull/5384 + parent.typeArguments || + /** @type {RuleNode} */ ( + /** @type {unknown} */ ( + /** @type {TSNewExpression | TSCallExpression} */ ( + parent + ).typeParameters + ) + ) || + parent.callee, + isOpeningParenToken, + ) + } + return null + + case "DoWhileStatement": + if (parent.test === node) { + return sourceCode.getTokenAfter( + parent.body, + isOpeningParenToken, + ) + } + return null + + case "IfStatement": + case "WhileStatement": + if (parent.test === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "ImportExpression": + if (parent.source === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "SwitchStatement": + if (parent.discriminant === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + case "WithStatement": + if (parent.object === node) { + return sourceCode.getFirstToken(parent, 1) + } + return null + + default: + return null + } +} + +/** + * Check whether a given node is parenthesized or not. + * @param {number} times The number of parantheses. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {boolean} `true` if the node is parenthesized the given times. + */ +/** + * Check whether a given node is parenthesized or not. + * @param {Node} node The AST node to check. + * @param {SourceCode} sourceCode The source code object to get tokens. + * @returns {boolean} `true` if the node is parenthesized. + */ +/** + * Check whether a given node is parenthesized or not. + * @param {Node|number} timesOrNode The first parameter. + * @param {Node|SourceCode} nodeOrSourceCode The second parameter. + * @param {SourceCode} [optionalSourceCode] The third parameter. + * @returns {boolean} `true` if the node is parenthesized. + */ +function isParenthesized( + timesOrNode, + nodeOrSourceCode, + optionalSourceCode, +) { + /** @type {number} */ + let times, + /** @type {RuleNode} */ + node, + /** @type {SourceCode} */ + sourceCode, + maybeLeftParen, + maybeRightParen; + if (typeof timesOrNode === "number") { + times = timesOrNode | 0; + node = /** @type {RuleNode} */ (nodeOrSourceCode); + sourceCode = /** @type {SourceCode} */ (optionalSourceCode); + if (!(times >= 1)) { + throw new TypeError("'times' should be a positive integer.") + } + } else { + times = 1; + node = /** @type {RuleNode} */ (timesOrNode); + sourceCode = /** @type {SourceCode} */ (nodeOrSourceCode); + } + + if ( + node == null || + // `Program` can't be parenthesized + node.parent == null || + // `CatchClause.param` can't be parenthesized, example `try {} catch (error) {}` + (node.parent.type === "CatchClause" && node.parent.param === node) + ) { + return false + } + + maybeLeftParen = maybeRightParen = node; + do { + maybeLeftParen = sourceCode.getTokenBefore(maybeLeftParen); + maybeRightParen = sourceCode.getTokenAfter(maybeRightParen); + } while ( + maybeLeftParen != null && + maybeRightParen != null && + isOpeningParenToken(maybeLeftParen) && + isClosingParenToken(maybeRightParen) && + // Avoid false positive such as `if (a) {}` + maybeLeftParen !== getParentSyntaxParen(node, sourceCode) && + --times > 0 + ) + + return times === 0 +} + +/** + * @author Toru Nagashima + * See LICENSE file in root directory for full license. + */ + +const placeholder = /\$(?:[$&`']|[1-9][0-9]?)/gu; + +/** @type {WeakMap} */ +const internal = new WeakMap(); + +/** + * Check whether a given character is escaped or not. + * @param {string} str The string to check. + * @param {number} index The location of the character to check. + * @returns {boolean} `true` if the character is escaped. + */ +function isEscaped(str, index) { + let escaped = false; + for (let i = index - 1; i >= 0 && str.charCodeAt(i) === 0x5c; --i) { + escaped = !escaped; + } + return escaped +} + +/** + * Replace a given string by a given matcher. + * @param {PatternMatcher} matcher The pattern matcher. + * @param {string} str The string to be replaced. + * @param {string} replacement The new substring to replace each matched part. + * @returns {string} The replaced string. + */ +function replaceS(matcher, str, replacement) { + const chunks = []; + let index = 0; + + /** + * @param {string} key The placeholder. + * @param {RegExpExecArray} match The matched information. + * @returns {string} The replaced string. + */ + function replacer(key, match) { + switch (key) { + case "$$": + return "$" + case "$&": + return match[0] + case "$`": + return str.slice(0, match.index) + case "$'": + return str.slice(match.index + match[0].length) + default: { + const i = key.slice(1); + if (i in match) { + return match[/** @type {any} */ (i)] + } + return key + } + } + } + + for (const match of matcher.execAll(str)) { + chunks.push(str.slice(index, match.index)); + chunks.push( + replacement.replace(placeholder, (key) => replacer(key, match)), + ); + index = match.index + match[0].length; + } + chunks.push(str.slice(index)); + + return chunks.join("") +} + +/** + * Replace a given string by a given matcher. + * @param {PatternMatcher} matcher The pattern matcher. + * @param {string} str The string to be replaced. + * @param {(substring: string, ...args: any[]) => string} replace The function to replace each matched part. + * @returns {string} The replaced string. + */ +function replaceF(matcher, str, replace) { + const chunks = []; + let index = 0; + + for (const match of matcher.execAll(str)) { + chunks.push(str.slice(index, match.index)); + chunks.push( + String( + replace( + .../** @type {[string, ...string[]]} */ ( + /** @type {string[]} */ (match) + ), + match.index, + match.input, + ), + ), + ); + index = match.index + match[0].length; + } + chunks.push(str.slice(index)); + + return chunks.join("") +} + +/** + * The class to find patterns as considering escape sequences. + */ +class PatternMatcher { + /** + * Initialize this matcher. + * @param {RegExp} pattern The pattern to match. + * @param {{escaped?:boolean}} [options] The options. + */ + constructor(pattern, options = {}) { + const { escaped = false } = options; + if (!(pattern instanceof RegExp)) { + throw new TypeError("'pattern' should be a RegExp instance.") + } + if (!pattern.flags.includes("g")) { + throw new Error("'pattern' should contains 'g' flag.") + } + + internal.set(this, { + pattern: new RegExp(pattern.source, pattern.flags), + escaped: Boolean(escaped), + }); + } + + /** + * Find the pattern in a given string. + * @param {string} str The string to find. + * @returns {IterableIterator} The iterator which iterate the matched information. + */ + *execAll(str) { + const { pattern, escaped } = + /** @type {{pattern:RegExp,escaped:boolean}} */ (internal.get(this)); + let match = null; + let lastIndex = 0; + + pattern.lastIndex = 0; + while ((match = pattern.exec(str)) != null) { + if (escaped || !isEscaped(str, match.index)) { + lastIndex = pattern.lastIndex; + yield match; + pattern.lastIndex = lastIndex; + } + } + } + + /** + * Check whether the pattern is found in a given string. + * @param {string} str The string to check. + * @returns {boolean} `true` if the pattern was found in the string. + */ + test(str) { + const it = this.execAll(str); + const ret = it.next(); + return !ret.done + } + + /** + * Replace a given string. + * @param {string} str The string to be replaced. + * @param {(string|((...strs:string[])=>string))} replacer The string or function to replace. This is the same as the 2nd argument of `String.prototype.replace`. + * @returns {string} The replaced string. + */ + [Symbol.replace](str, replacer) { + return typeof replacer === "function" + ? replaceF(this, String(str), replacer) + : replaceS(this, String(str), String(replacer)) + } +} + +/** @typedef {import("eslint").Scope.Scope} Scope */ +/** @typedef {import("eslint").Scope.Variable} Variable */ +/** @typedef {import("eslint").Rule.Node} RuleNode */ +/** @typedef {import("estree").Node} Node */ +/** @typedef {import("estree").Expression} Expression */ +/** @typedef {import("estree").Pattern} Pattern */ +/** @typedef {import("estree").Identifier} Identifier */ +/** @typedef {import("estree").SimpleCallExpression} CallExpression */ +/** @typedef {import("estree").Program} Program */ +/** @typedef {import("estree").ImportDeclaration} ImportDeclaration */ +/** @typedef {import("estree").ExportAllDeclaration} ExportAllDeclaration */ +/** @typedef {import("estree").ExportDefaultDeclaration} ExportDefaultDeclaration */ +/** @typedef {import("estree").ExportNamedDeclaration} ExportNamedDeclaration */ +/** @typedef {import("estree").ImportSpecifier} ImportSpecifier */ +/** @typedef {import("estree").ImportDefaultSpecifier} ImportDefaultSpecifier */ +/** @typedef {import("estree").ImportNamespaceSpecifier} ImportNamespaceSpecifier */ +/** @typedef {import("estree").ExportSpecifier} ExportSpecifier */ +/** @typedef {import("estree").Property} Property */ +/** @typedef {import("estree").AssignmentProperty} AssignmentProperty */ +/** @typedef {import("estree").Literal} Literal */ +/** @typedef {import("@typescript-eslint/types").TSESTree.Node} TSESTreeNode */ +/** @typedef {import("./types.mjs").ReferenceTrackerOptions} ReferenceTrackerOptions */ +/** + * @template T + * @typedef {import("./types.mjs").TraceMap} TraceMap + */ +/** + * @template T + * @typedef {import("./types.mjs").TraceMapObject} TraceMapObject + */ +/** + * @template T + * @typedef {import("./types.mjs").TrackedReferences} TrackedReferences + */ + +const IMPORT_TYPE = /^(?:Import|Export(?:All|Default|Named))Declaration$/u; + +/** + * Check whether a given node is an import node or not. + * @param {Node} node + * @returns {node is ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration&{source: Literal}} `true` if the node is an import node. + */ +function isHasSource(node) { + return ( + IMPORT_TYPE.test(node.type) && + /** @type {ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration} */ ( + node + ).source != null + ) +} +const has = + /** @type {(traceMap: TraceMap, v: T) => v is (string extends T ? string : T)} */ ( + Function.call.bind(Object.hasOwnProperty) + ); + +const READ = Symbol("read"); +const CALL = Symbol("call"); +const CONSTRUCT = Symbol("construct"); +const ESM = Symbol("esm"); + +const requireCall = { require: { [CALL]: true } }; + +/** + * Check whether a given variable is modified or not. + * @param {Variable|undefined} variable The variable to check. + * @returns {boolean} `true` if the variable is modified. + */ +function isModifiedGlobal(variable) { + return ( + variable == null || + variable.defs.length !== 0 || + variable.references.some((r) => r.isWrite()) + ) +} + +/** + * Check if the value of a given node is passed through to the parent syntax as-is. + * For example, `a` and `b` in (`a || b` and `c ? a : b`) are passed through. + * @param {Node} node A node to check. + * @returns {node is RuleNode & {parent: Expression}} `true` if the node is passed through. + */ +function isPassThrough(node) { + const parent = /** @type {TSESTreeNode} */ (node).parent; + + if (parent) { + switch (parent.type) { + case "ConditionalExpression": + return parent.consequent === node || parent.alternate === node + case "LogicalExpression": + return true + case "SequenceExpression": + return ( + parent.expressions[parent.expressions.length - 1] === node + ) + case "ChainExpression": + return true + case "TSAsExpression": + case "TSSatisfiesExpression": + case "TSTypeAssertion": + case "TSNonNullExpression": + case "TSInstantiationExpression": + return true + + default: + return false + } + } + return false +} + +/** + * The reference tracker. + */ +class ReferenceTracker { + /** + * Initialize this tracker. + * @param {Scope} globalScope The global scope. + * @param {object} [options] The options. + * @param {"legacy"|"strict"} [options.mode="strict"] The mode to determine the ImportDeclaration's behavior for CJS modules. + * @param {string[]} [options.globalObjectNames=["global","globalThis","self","window"]] The variable names for Global Object. + */ + constructor(globalScope, options = {}) { + const { + mode = "strict", + globalObjectNames = ["global", "globalThis", "self", "window"], + } = options; + /** @private @type {Variable[]} */ + this.variableStack = []; + /** @private */ + this.globalScope = globalScope; + /** @private */ + this.mode = mode; + /** @private */ + this.globalObjectNames = globalObjectNames.slice(0); + } + + /** + * Iterate the references of global variables. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateGlobalReferences(traceMap) { + for (const key of Object.keys(traceMap)) { + const nextTraceMap = traceMap[key]; + const path = [key]; + const variable = this.globalScope.set.get(key); + + if (isModifiedGlobal(variable)) { + continue + } + + yield* this._iterateVariableReferences( + /** @type {Variable} */ (variable), + path, + nextTraceMap, + true, + ); + } + + for (const key of this.globalObjectNames) { + /** @type {string[]} */ + const path = []; + const variable = this.globalScope.set.get(key); + + if (isModifiedGlobal(variable)) { + continue + } + + yield* this._iterateVariableReferences( + /** @type {Variable} */ (variable), + path, + traceMap, + false, + ); + } + } + + /** + * Iterate the references of CommonJS modules. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateCjsReferences(traceMap) { + for (const { node } of this.iterateGlobalReferences(requireCall)) { + const key = getStringIfConstant( + /** @type {CallExpression} */ (node).arguments[0], + ); + if (key == null || !has(traceMap, key)) { + continue + } + + const nextTraceMap = traceMap[key]; + const path = [key]; + + if (nextTraceMap[READ]) { + yield { + node, + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iteratePropertyReferences( + /** @type {CallExpression} */ (node), + path, + nextTraceMap, + ); + } + } + + /** + * Iterate the references of ES modules. + * @template T + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *iterateEsmReferences(traceMap) { + const programNode = /** @type {Program} */ (this.globalScope.block); + + for (const node of programNode.body) { + if (!isHasSource(node)) { + continue + } + const moduleId = /** @type {string} */ (node.source.value); + + if (!has(traceMap, moduleId)) { + continue + } + const nextTraceMap = traceMap[moduleId]; + const path = [moduleId]; + + if (nextTraceMap[READ]) { + yield { + // eslint-disable-next-line object-shorthand -- apply type + node: /** @type {RuleNode} */ (node), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + + if (node.type === "ExportAllDeclaration") { + for (const key of Object.keys(nextTraceMap)) { + const exportTraceMap = nextTraceMap[key]; + if (exportTraceMap[READ]) { + yield { + // eslint-disable-next-line object-shorthand -- apply type + node: /** @type {RuleNode} */ (node), + path: path.concat(key), + type: READ, + info: exportTraceMap[READ], + }; + } + } + } else { + for (const specifier of node.specifiers) { + const esm = has(nextTraceMap, ESM); + const it = this._iterateImportReferences( + specifier, + path, + esm + ? nextTraceMap + : this.mode === "legacy" + ? { default: nextTraceMap, ...nextTraceMap } + : { default: nextTraceMap }, + ); + + if (esm) { + yield* it; + } else { + for (const report of it) { + report.path = report.path.filter(exceptDefault); + if ( + report.path.length >= 2 || + report.type !== READ + ) { + yield report; + } + } + } + } + } + } + } + + /** + * Iterate the property references for a given expression AST node. + * @template T + * @param {Expression} node The expression AST node to iterate property references. + * @param {TraceMap} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate property references. + */ + *iteratePropertyReferences(node, traceMap) { + yield* this._iteratePropertyReferences(node, [], traceMap); + } + + /** + * Iterate the references for a given variable. + * @private + * @template T + * @param {Variable} variable The variable to iterate that references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @param {boolean} shouldReport = The flag to report those references. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateVariableReferences(variable, path, traceMap, shouldReport) { + if (this.variableStack.includes(variable)) { + return + } + this.variableStack.push(variable); + try { + for (const reference of variable.references) { + if (!reference.isRead()) { + continue + } + const node = /** @type {RuleNode & Identifier} */ ( + reference.identifier + ); + + if (shouldReport && traceMap[READ]) { + yield { node, path, type: READ, info: traceMap[READ] }; + } + yield* this._iteratePropertyReferences(node, path, traceMap); + } + } finally { + this.variableStack.pop(); + } + } + + /** + * Iterate the references for a given AST node. + * @private + * @template T + * @param {Expression} rootNode The AST node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + //eslint-disable-next-line complexity + *_iteratePropertyReferences(rootNode, path, traceMap) { + let node = rootNode; + while (isPassThrough(node)) { + node = node.parent; + } + + const parent = /** @type {RuleNode} */ (node).parent; + if (parent.type === "MemberExpression") { + if (parent.object === node) { + const key = getPropertyName(parent); + if (key == null || !has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: parent, + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iteratePropertyReferences( + parent, + path, + nextTraceMap, + ); + } + return + } + if (parent.type === "CallExpression") { + if (parent.callee === node && traceMap[CALL]) { + yield { node: parent, path, type: CALL, info: traceMap[CALL] }; + } + return + } + if (parent.type === "NewExpression") { + if (parent.callee === node && traceMap[CONSTRUCT]) { + yield { + node: parent, + path, + type: CONSTRUCT, + info: traceMap[CONSTRUCT], + }; + } + return + } + if (parent.type === "AssignmentExpression") { + if (parent.right === node) { + yield* this._iterateLhsReferences(parent.left, path, traceMap); + yield* this._iteratePropertyReferences(parent, path, traceMap); + } + return + } + if (parent.type === "AssignmentPattern") { + if (parent.right === node) { + yield* this._iterateLhsReferences(parent.left, path, traceMap); + } + return + } + if (parent.type === "VariableDeclarator") { + if (parent.init === node) { + yield* this._iterateLhsReferences(parent.id, path, traceMap); + } + } + } + + /** + * Iterate the references for a given Pattern node. + * @private + * @template T + * @param {Pattern} patternNode The Pattern node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateLhsReferences(patternNode, path, traceMap) { + if (patternNode.type === "Identifier") { + const variable = findVariable(this.globalScope, patternNode); + if (variable != null) { + yield* this._iterateVariableReferences( + variable, + path, + traceMap, + false, + ); + } + return + } + if (patternNode.type === "ObjectPattern") { + for (const property of patternNode.properties) { + const key = getPropertyName( + /** @type {AssignmentProperty} */ (property), + ); + + if (key == null || !has(traceMap, key)) { + continue + } + + const nextPath = path.concat(key); + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (property), + path: nextPath, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iterateLhsReferences( + /** @type {AssignmentProperty} */ (property).value, + nextPath, + nextTraceMap, + ); + } + return + } + if (patternNode.type === "AssignmentPattern") { + yield* this._iterateLhsReferences(patternNode.left, path, traceMap); + } + } + + /** + * Iterate the references for a given ModuleSpecifier node. + * @private + * @template T + * @param {ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier} specifierNode The ModuleSpecifier node to iterate references. + * @param {string[]} path The current path. + * @param {TraceMapObject} traceMap The trace map. + * @returns {IterableIterator>} The iterator to iterate references. + */ + *_iterateImportReferences(specifierNode, path, traceMap) { + const type = specifierNode.type; + + if (type === "ImportSpecifier" || type === "ImportDefaultSpecifier") { + const key = + type === "ImportDefaultSpecifier" + ? "default" + : specifierNode.imported.type === "Identifier" + ? specifierNode.imported.name + : specifierNode.imported.value; + if (!has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (specifierNode), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + yield* this._iterateVariableReferences( + /** @type {Variable} */ ( + findVariable(this.globalScope, specifierNode.local) + ), + path, + nextTraceMap, + false, + ); + + return + } + + if (type === "ImportNamespaceSpecifier") { + yield* this._iterateVariableReferences( + /** @type {Variable} */ ( + findVariable(this.globalScope, specifierNode.local) + ), + path, + traceMap, + false, + ); + return + } + + if (type === "ExportSpecifier") { + const key = + specifierNode.local.type === "Identifier" + ? specifierNode.local.name + : specifierNode.local.value; + if (!has(traceMap, key)) { + return + } + + path = path.concat(key); //eslint-disable-line no-param-reassign + const nextTraceMap = traceMap[key]; + if (nextTraceMap[READ]) { + yield { + node: /** @type {RuleNode} */ (specifierNode), + path, + type: READ, + info: nextTraceMap[READ], + }; + } + } + } +} + +ReferenceTracker.READ = READ; +ReferenceTracker.CALL = CALL; +ReferenceTracker.CONSTRUCT = CONSTRUCT; +ReferenceTracker.ESM = ESM; + +/** + * This is a predicate function for Array#filter. + * @param {string} name A name part. + * @param {number} index The index of the name. + * @returns {boolean} `false` if it's default. + */ +function exceptDefault(name, index) { + return !(index === 1 && name === "default") +} + +/** @typedef {import("./types.mjs").StaticValue} StaticValue */ + +var index = { + CALL, + CONSTRUCT, + ESM, + findVariable, + getFunctionHeadLocation, + getFunctionNameWithKind, + getInnermostScope, + getPropertyName, + getStaticValue, + getStringIfConstant, + hasSideEffect, + isArrowToken, + isClosingBraceToken, + isClosingBracketToken, + isClosingParenToken, + isColonToken, + isCommaToken, + isCommentToken, + isNotArrowToken, + isNotClosingBraceToken, + isNotClosingBracketToken, + isNotClosingParenToken, + isNotColonToken, + isNotCommaToken, + isNotCommentToken, + isNotOpeningBraceToken, + isNotOpeningBracketToken, + isNotOpeningParenToken, + isNotSemicolonToken, + isOpeningBraceToken, + isOpeningBracketToken, + isOpeningParenToken, + isParenthesized, + isSemicolonToken, + PatternMatcher, + READ, + ReferenceTracker, +}; + +export { CALL, CONSTRUCT, ESM, PatternMatcher, READ, ReferenceTracker, index as default, findVariable, getFunctionHeadLocation, getFunctionNameWithKind, getInnermostScope, getPropertyName, getStaticValue, getStringIfConstant, hasSideEffect, isArrowToken, isClosingBraceToken, isClosingBracketToken, isClosingParenToken, isColonToken, isCommaToken, isCommentToken, isNotArrowToken, isNotClosingBraceToken, isNotClosingBracketToken, isNotClosingParenToken, isNotColonToken, isNotCommaToken, isNotCommentToken, isNotOpeningBraceToken, isNotOpeningBracketToken, isNotOpeningParenToken, isNotSemicolonToken, isOpeningBraceToken, isOpeningBracketToken, isOpeningParenToken, isParenthesized, isSemicolonToken }; +//# sourceMappingURL=index.mjs.map diff --git a/node_modules/@eslint-community/eslint-utils/index.mjs.map b/node_modules/@eslint-community/eslint-utils/index.mjs.map new file mode 100644 index 000000000..58fb1a020 --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/index.mjs.map @@ -0,0 +1 @@ +{"version":3,"file":"index.mjs","sources":["src/get-innermost-scope.mjs","src/find-variable.mjs","src/token-predicate.mjs","src/get-function-head-location.mjs","src/get-static-value.mjs","src/get-string-if-constant.mjs","src/get-property-name.mjs","src/get-function-name-with-kind.mjs","src/has-side-effect.mjs","src/is-parenthesized.mjs","src/pattern-matcher.mjs","src/reference-tracker.mjs","src/index.mjs"],"sourcesContent":["/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").Node} Node */\n\n/**\n * Get the innermost scope which contains a given location.\n * @param {Scope} initialScope The initial scope to search.\n * @param {Node} node The location to search.\n * @returns {Scope} The innermost scope.\n */\nexport function getInnermostScope(initialScope, node) {\n const location = /** @type {[number, number]} */ (node.range)[0]\n\n let scope = initialScope\n let found = false\n do {\n found = false\n for (const childScope of scope.childScopes) {\n const range = /** @type {[number, number]} */ (\n childScope.block.range\n )\n\n if (range[0] <= location && location < range[1]) {\n scope = childScope\n found = true\n break\n }\n }\n } while (found)\n\n return scope\n}\n","import { getInnermostScope } from \"./get-innermost-scope.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Find the variable of a given name.\n * @param {Scope} initialScope The scope to start finding.\n * @param {string|Identifier} nameOrNode The variable name to find. If this is a Node object then it should be an Identifier node.\n * @returns {Variable|null} The found variable or null.\n */\nexport function findVariable(initialScope, nameOrNode) {\n let name = \"\"\n /** @type {Scope|null} */\n let scope = initialScope\n\n if (typeof nameOrNode === \"string\") {\n name = nameOrNode\n } else {\n name = nameOrNode.name\n scope = getInnermostScope(scope, nameOrNode)\n }\n\n while (scope != null) {\n const variable = scope.set.get(name)\n if (variable != null) {\n return variable\n }\n scope = scope.upper\n }\n\n return null\n}\n","/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"estree\").Comment} Comment */\n/** @typedef {import(\"./types.mjs\").ArrowToken} ArrowToken */\n/** @typedef {import(\"./types.mjs\").CommaToken} CommaToken */\n/** @typedef {import(\"./types.mjs\").SemicolonToken} SemicolonToken */\n/** @typedef {import(\"./types.mjs\").ColonToken} ColonToken */\n/** @typedef {import(\"./types.mjs\").OpeningParenToken} OpeningParenToken */\n/** @typedef {import(\"./types.mjs\").ClosingParenToken} ClosingParenToken */\n/** @typedef {import(\"./types.mjs\").OpeningBracketToken} OpeningBracketToken */\n/** @typedef {import(\"./types.mjs\").ClosingBracketToken} ClosingBracketToken */\n/** @typedef {import(\"./types.mjs\").OpeningBraceToken} OpeningBraceToken */\n/** @typedef {import(\"./types.mjs\").ClosingBraceToken} ClosingBraceToken */\n/**\n * @template {string} Value\n * @typedef {import(\"./types.mjs\").PunctuatorToken} PunctuatorToken\n */\n\n/** @typedef {Comment | Token} CommentOrToken */\n\n/**\n * Creates the negate function of the given function.\n * @param {function(CommentOrToken):boolean} f - The function to negate.\n * @returns {function(CommentOrToken):boolean} Negated function.\n */\nfunction negate(f) {\n return (token) => !f(token)\n}\n\n/**\n * Checks if the given token is a PunctuatorToken with the given value\n * @template {string} Value\n * @param {CommentOrToken} token - The token to check.\n * @param {Value} value - The value to check.\n * @returns {token is PunctuatorToken} `true` if the token is a PunctuatorToken with the given value.\n */\nfunction isPunctuatorTokenWithValue(token, value) {\n return token.type === \"Punctuator\" && token.value === value\n}\n\n/**\n * Checks if the given token is an arrow token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ArrowToken} `true` if the token is an arrow token.\n */\nexport function isArrowToken(token) {\n return isPunctuatorTokenWithValue(token, \"=>\")\n}\n\n/**\n * Checks if the given token is a comma token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is CommaToken} `true` if the token is a comma token.\n */\nexport function isCommaToken(token) {\n return isPunctuatorTokenWithValue(token, \",\")\n}\n\n/**\n * Checks if the given token is a semicolon token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is SemicolonToken} `true` if the token is a semicolon token.\n */\nexport function isSemicolonToken(token) {\n return isPunctuatorTokenWithValue(token, \";\")\n}\n\n/**\n * Checks if the given token is a colon token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ColonToken} `true` if the token is a colon token.\n */\nexport function isColonToken(token) {\n return isPunctuatorTokenWithValue(token, \":\")\n}\n\n/**\n * Checks if the given token is an opening parenthesis token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningParenToken} `true` if the token is an opening parenthesis token.\n */\nexport function isOpeningParenToken(token) {\n return isPunctuatorTokenWithValue(token, \"(\")\n}\n\n/**\n * Checks if the given token is a closing parenthesis token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingParenToken} `true` if the token is a closing parenthesis token.\n */\nexport function isClosingParenToken(token) {\n return isPunctuatorTokenWithValue(token, \")\")\n}\n\n/**\n * Checks if the given token is an opening square bracket token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningBracketToken} `true` if the token is an opening square bracket token.\n */\nexport function isOpeningBracketToken(token) {\n return isPunctuatorTokenWithValue(token, \"[\")\n}\n\n/**\n * Checks if the given token is a closing square bracket token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingBracketToken} `true` if the token is a closing square bracket token.\n */\nexport function isClosingBracketToken(token) {\n return isPunctuatorTokenWithValue(token, \"]\")\n}\n\n/**\n * Checks if the given token is an opening brace token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is OpeningBraceToken} `true` if the token is an opening brace token.\n */\nexport function isOpeningBraceToken(token) {\n return isPunctuatorTokenWithValue(token, \"{\")\n}\n\n/**\n * Checks if the given token is a closing brace token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is ClosingBraceToken} `true` if the token is a closing brace token.\n */\nexport function isClosingBraceToken(token) {\n return isPunctuatorTokenWithValue(token, \"}\")\n}\n\n/**\n * Checks if the given token is a comment token or not.\n * @param {CommentOrToken} token - The token to check.\n * @returns {token is Comment} `true` if the token is a comment token.\n */\nexport function isCommentToken(token) {\n return [\"Block\", \"Line\", \"Shebang\"].includes(token.type)\n}\n\nexport const isNotArrowToken = negate(isArrowToken)\nexport const isNotCommaToken = negate(isCommaToken)\nexport const isNotSemicolonToken = negate(isSemicolonToken)\nexport const isNotColonToken = negate(isColonToken)\nexport const isNotOpeningParenToken = negate(isOpeningParenToken)\nexport const isNotClosingParenToken = negate(isClosingParenToken)\nexport const isNotOpeningBracketToken = negate(isOpeningBracketToken)\nexport const isNotClosingBracketToken = negate(isClosingBracketToken)\nexport const isNotOpeningBraceToken = negate(isOpeningBraceToken)\nexport const isNotClosingBraceToken = negate(isClosingBraceToken)\nexport const isNotCommentToken = negate(isCommentToken)\n","import { isArrowToken, isOpeningParenToken } from \"./token-predicate.mjs\"\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"estree\").Function} FunctionNode */\n/** @typedef {import(\"estree\").FunctionDeclaration} FunctionDeclaration */\n/** @typedef {import(\"estree\").FunctionExpression} FunctionExpression */\n/** @typedef {import(\"estree\").SourceLocation} SourceLocation */\n/** @typedef {import(\"estree\").Position} Position */\n\n/**\n * Get the `(` token of the given function node.\n * @param {FunctionExpression | FunctionDeclaration} node - The function node to get.\n * @param {SourceCode} sourceCode - The source code object to get tokens.\n * @returns {Token} `(` token.\n */\nfunction getOpeningParenOfParams(node, sourceCode) {\n return node.id\n ? /** @type {Token} */ (\n sourceCode.getTokenAfter(node.id, isOpeningParenToken)\n )\n : /** @type {Token} */ (\n sourceCode.getFirstToken(node, isOpeningParenToken)\n )\n}\n\n/**\n * Get the location of the given function node for reporting.\n * @param {FunctionNode} node - The function node to get.\n * @param {SourceCode} sourceCode - The source code object to get tokens.\n * @returns {SourceLocation|null} The location of the function node for reporting.\n */\nexport function getFunctionHeadLocation(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n\n /** @type {Position|null} */\n let start = null\n /** @type {Position|null} */\n let end = null\n\n if (node.type === \"ArrowFunctionExpression\") {\n const arrowToken = /** @type {Token} */ (\n sourceCode.getTokenBefore(node.body, isArrowToken)\n )\n\n start = arrowToken.loc.start\n end = arrowToken.loc.end\n } else if (\n parent.type === \"Property\" ||\n parent.type === \"MethodDefinition\" ||\n parent.type === \"PropertyDefinition\"\n ) {\n start = /** @type {SourceLocation} */ (parent.loc).start\n end = getOpeningParenOfParams(node, sourceCode).loc.start\n } else {\n start = /** @type {SourceLocation} */ (node.loc).start\n end = getOpeningParenOfParams(node, sourceCode).loc.start\n }\n\n return {\n start: { ...start },\n end: { ...end },\n }\n}\n","/* globals globalThis, global, self, window */\n\nimport { findVariable } from \"./find-variable.mjs\"\n/** @typedef {import(\"./types.mjs\").StaticValue} StaticValue */\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Node} TSESTreeNode */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.AST_NODE_TYPES} TSESTreeNodeTypes */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.MemberExpression} MemberExpression */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Property} Property */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.RegExpLiteral} RegExpLiteral */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.BigIntLiteral} BigIntLiteral */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Literal} Literal */\n\nconst globalObject =\n typeof globalThis !== \"undefined\"\n ? globalThis\n : // @ts-ignore\n typeof self !== \"undefined\"\n ? // @ts-ignore\n self\n : // @ts-ignore\n typeof window !== \"undefined\"\n ? // @ts-ignore\n window\n : typeof global !== \"undefined\"\n ? global\n : {}\n\nconst builtinNames = Object.freeze(\n new Set([\n \"Array\",\n \"ArrayBuffer\",\n \"BigInt\",\n \"BigInt64Array\",\n \"BigUint64Array\",\n \"Boolean\",\n \"DataView\",\n \"Date\",\n \"decodeURI\",\n \"decodeURIComponent\",\n \"encodeURI\",\n \"encodeURIComponent\",\n \"escape\",\n \"Float32Array\",\n \"Float64Array\",\n \"Function\",\n \"Infinity\",\n \"Int16Array\",\n \"Int32Array\",\n \"Int8Array\",\n \"isFinite\",\n \"isNaN\",\n \"isPrototypeOf\",\n \"JSON\",\n \"Map\",\n \"Math\",\n \"NaN\",\n \"Number\",\n \"Object\",\n \"parseFloat\",\n \"parseInt\",\n \"Promise\",\n \"Proxy\",\n \"Reflect\",\n \"RegExp\",\n \"Set\",\n \"String\",\n \"Symbol\",\n \"Uint16Array\",\n \"Uint32Array\",\n \"Uint8Array\",\n \"Uint8ClampedArray\",\n \"undefined\",\n \"unescape\",\n \"WeakMap\",\n \"WeakSet\",\n ]),\n)\nconst callAllowed = new Set(\n [\n Array.isArray,\n Array.of,\n Array.prototype.at,\n Array.prototype.concat,\n Array.prototype.entries,\n Array.prototype.every,\n Array.prototype.filter,\n Array.prototype.find,\n Array.prototype.findIndex,\n Array.prototype.flat,\n Array.prototype.includes,\n Array.prototype.indexOf,\n Array.prototype.join,\n Array.prototype.keys,\n Array.prototype.lastIndexOf,\n Array.prototype.slice,\n Array.prototype.some,\n Array.prototype.toString,\n Array.prototype.values,\n typeof BigInt === \"function\" ? BigInt : undefined,\n Boolean,\n Date,\n Date.parse,\n decodeURI,\n decodeURIComponent,\n encodeURI,\n encodeURIComponent,\n escape,\n isFinite,\n isNaN,\n // @ts-ignore\n isPrototypeOf,\n Map,\n Map.prototype.entries,\n Map.prototype.get,\n Map.prototype.has,\n Map.prototype.keys,\n Map.prototype.values,\n .../** @type {(keyof typeof Math)[]} */ (\n Object.getOwnPropertyNames(Math)\n )\n .filter((k) => k !== \"random\")\n .map((k) => Math[k])\n .filter((f) => typeof f === \"function\"),\n Number,\n Number.isFinite,\n Number.isNaN,\n Number.parseFloat,\n Number.parseInt,\n Number.prototype.toExponential,\n Number.prototype.toFixed,\n Number.prototype.toPrecision,\n Number.prototype.toString,\n Object,\n Object.entries,\n Object.is,\n Object.isExtensible,\n Object.isFrozen,\n Object.isSealed,\n Object.keys,\n Object.values,\n parseFloat,\n parseInt,\n RegExp,\n Set,\n Set.prototype.entries,\n Set.prototype.has,\n Set.prototype.keys,\n Set.prototype.values,\n String,\n String.fromCharCode,\n String.fromCodePoint,\n String.raw,\n String.prototype.at,\n String.prototype.charAt,\n String.prototype.charCodeAt,\n String.prototype.codePointAt,\n String.prototype.concat,\n String.prototype.endsWith,\n String.prototype.includes,\n String.prototype.indexOf,\n String.prototype.lastIndexOf,\n String.prototype.normalize,\n String.prototype.padEnd,\n String.prototype.padStart,\n String.prototype.slice,\n String.prototype.startsWith,\n String.prototype.substr,\n String.prototype.substring,\n String.prototype.toLowerCase,\n String.prototype.toString,\n String.prototype.toUpperCase,\n String.prototype.trim,\n String.prototype.trimEnd,\n String.prototype.trimLeft,\n String.prototype.trimRight,\n String.prototype.trimStart,\n Symbol.for,\n Symbol.keyFor,\n unescape,\n ].filter((f) => typeof f === \"function\"),\n)\nconst callPassThrough = new Set([\n Object.freeze,\n Object.preventExtensions,\n Object.seal,\n])\n\n/** @type {ReadonlyArray]>} */\nconst getterAllowed = [\n [Map, new Set([\"size\"])],\n [\n RegExp,\n new Set([\n \"dotAll\",\n \"flags\",\n \"global\",\n \"hasIndices\",\n \"ignoreCase\",\n \"multiline\",\n \"source\",\n \"sticky\",\n \"unicode\",\n ]),\n ],\n [Set, new Set([\"size\"])],\n]\n\n/**\n * Get the property descriptor.\n * @param {object} object The object to get.\n * @param {string|number|symbol} name The property name to get.\n */\nfunction getPropertyDescriptor(object, name) {\n let x = object\n while ((typeof x === \"object\" || typeof x === \"function\") && x !== null) {\n const d = Object.getOwnPropertyDescriptor(x, name)\n if (d) {\n return d\n }\n x = Object.getPrototypeOf(x)\n }\n return null\n}\n\n/**\n * Check if a property is getter or not.\n * @param {object} object The object to check.\n * @param {string|number|symbol} name The property name to check.\n */\nfunction isGetter(object, name) {\n const d = getPropertyDescriptor(object, name)\n return d != null && d.get != null\n}\n\n/**\n * Get the element values of a given node list.\n * @param {(Node|TSESTreeNode|null)[]} nodeList The node list to get values.\n * @param {Scope|undefined|null} initialScope The initial scope to find variables.\n * @returns {any[]|null} The value list if all nodes are constant. Otherwise, null.\n */\nfunction getElementValues(nodeList, initialScope) {\n const valueList = []\n\n for (let i = 0; i < nodeList.length; ++i) {\n const elementNode = nodeList[i]\n\n if (elementNode == null) {\n valueList.length = i + 1\n } else if (elementNode.type === \"SpreadElement\") {\n const argument = getStaticValueR(elementNode.argument, initialScope)\n if (argument == null) {\n return null\n }\n valueList.push(.../** @type {Iterable} */ (argument.value))\n } else {\n const element = getStaticValueR(elementNode, initialScope)\n if (element == null) {\n return null\n }\n valueList.push(element.value)\n }\n }\n\n return valueList\n}\n\n/**\n * Checks if a variable is a built-in global.\n * @param {Variable|null} variable The variable to check.\n * @returns {variable is Variable & {defs:[]}}\n */\nfunction isBuiltinGlobal(variable) {\n return (\n variable != null &&\n variable.defs.length === 0 &&\n builtinNames.has(variable.name) &&\n variable.name in globalObject\n )\n}\n\n/**\n * Checks if a variable can be considered as a constant.\n * @param {Variable} variable\n * @returns {variable is Variable & {defs: [import(\"eslint\").Scope.Definition & { type: \"Variable\" }]}} True if the variable can be considered as a constant.\n */\nfunction canBeConsideredConst(variable) {\n if (variable.defs.length !== 1) {\n return false\n }\n const def = variable.defs[0]\n return Boolean(\n def.parent &&\n def.type === \"Variable\" &&\n (def.parent.kind === \"const\" || isEffectivelyConst(variable)),\n )\n}\n\n/**\n * Returns whether the given variable is never written to after initialization.\n * @param {Variable} variable\n * @returns {boolean}\n */\nfunction isEffectivelyConst(variable) {\n const refs = variable.references\n\n const inits = refs.filter((r) => r.init).length\n const reads = refs.filter((r) => r.isReadOnly()).length\n if (inits === 1 && reads + inits === refs.length) {\n // there is only one init and all other references only read\n return true\n }\n return false\n}\n\n/**\n * Checks if a variable has mutation in its property.\n * @param {Variable} variable The variable to check.\n * @param {Scope|null} initialScope The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {boolean} True if the variable has mutation in its property.\n */\nfunction hasMutationInProperty(variable, initialScope) {\n for (const ref of variable.references) {\n let node = /** @type {TSESTreeNode} */ (ref.identifier)\n while (node && node.parent && node.parent.type === \"MemberExpression\") {\n node = node.parent\n }\n if (!node || !node.parent) {\n continue\n }\n if (\n (node.parent.type === \"AssignmentExpression\" &&\n node.parent.left === node) ||\n (node.parent.type === \"UpdateExpression\" &&\n node.parent.argument === node)\n ) {\n // This is a mutation.\n return true\n }\n if (\n node.parent.type === \"CallExpression\" &&\n node.parent.callee === node &&\n node.type === \"MemberExpression\"\n ) {\n const methodName = getStaticPropertyNameValue(node, initialScope)\n if (isNameOfMutationArrayMethod(methodName)) {\n // This is a mutation.\n return true\n }\n }\n }\n return false\n\n /**\n * Checks if a method name is one of the mutation array methods.\n * @param {StaticValue|null} methodName The method name to check.\n * @returns {boolean} True if the method name is a mutation array method.\n */\n function isNameOfMutationArrayMethod(methodName) {\n if (methodName == null || methodName.value == null) {\n return false\n }\n const name = methodName.value\n return (\n name === \"copyWithin\" ||\n name === \"fill\" ||\n name === \"pop\" ||\n name === \"push\" ||\n name === \"reverse\" ||\n name === \"shift\" ||\n name === \"sort\" ||\n name === \"splice\" ||\n name === \"unshift\"\n )\n }\n}\n\n/**\n * @template {TSESTreeNodeTypes} T\n * @callback VisitorCallback\n * @param {TSESTreeNode & { type: T }} node\n * @param {Scope|undefined|null} initialScope\n * @returns {StaticValue | null}\n */\n/**\n * @typedef { { [K in TSESTreeNodeTypes]?: VisitorCallback } } Operations\n */\n/**\n * @type {Operations}\n */\nconst operations = Object.freeze({\n ArrayExpression(node, initialScope) {\n const elements = getElementValues(node.elements, initialScope)\n return elements != null ? { value: elements } : null\n },\n\n AssignmentExpression(node, initialScope) {\n if (node.operator === \"=\") {\n return getStaticValueR(node.right, initialScope)\n }\n return null\n },\n\n //eslint-disable-next-line complexity\n BinaryExpression(node, initialScope) {\n if (node.operator === \"in\" || node.operator === \"instanceof\") {\n // Not supported.\n return null\n }\n\n const left = getStaticValueR(node.left, initialScope)\n const right = getStaticValueR(node.right, initialScope)\n if (left != null && right != null) {\n switch (node.operator) {\n case \"==\":\n return { value: left.value == right.value } //eslint-disable-line eqeqeq\n case \"!=\":\n return { value: left.value != right.value } //eslint-disable-line eqeqeq\n case \"===\":\n return { value: left.value === right.value }\n case \"!==\":\n return { value: left.value !== right.value }\n case \"<\":\n return {\n value:\n /** @type {any} */ (left.value) <\n /** @type {any} */ (right.value),\n }\n case \"<=\":\n return {\n value:\n /** @type {any} */ (left.value) <=\n /** @type {any} */ (right.value),\n }\n case \">\":\n return {\n value:\n /** @type {any} */ (left.value) >\n /** @type {any} */ (right.value),\n }\n case \">=\":\n return {\n value:\n /** @type {any} */ (left.value) >=\n /** @type {any} */ (right.value),\n }\n case \"<<\":\n return {\n value:\n /** @type {any} */ (left.value) <<\n /** @type {any} */ (right.value),\n }\n case \">>\":\n return {\n value:\n /** @type {any} */ (left.value) >>\n /** @type {any} */ (right.value),\n }\n case \">>>\":\n return {\n value:\n /** @type {any} */ (left.value) >>>\n /** @type {any} */ (right.value),\n }\n case \"+\":\n return {\n value:\n /** @type {any} */ (left.value) +\n /** @type {any} */ (right.value),\n }\n case \"-\":\n return {\n value:\n /** @type {any} */ (left.value) -\n /** @type {any} */ (right.value),\n }\n case \"*\":\n return {\n value:\n /** @type {any} */ (left.value) *\n /** @type {any} */ (right.value),\n }\n case \"/\":\n return {\n value:\n /** @type {any} */ (left.value) /\n /** @type {any} */ (right.value),\n }\n case \"%\":\n return {\n value:\n /** @type {any} */ (left.value) %\n /** @type {any} */ (right.value),\n }\n case \"**\":\n return {\n value:\n /** @type {any} */ (left.value) **\n /** @type {any} */ (right.value),\n }\n case \"|\":\n return {\n value:\n /** @type {any} */ (left.value) |\n /** @type {any} */ (right.value),\n }\n case \"^\":\n return {\n value:\n /** @type {any} */ (left.value) ^\n /** @type {any} */ (right.value),\n }\n case \"&\":\n return {\n value:\n /** @type {any} */ (left.value) &\n /** @type {any} */ (right.value),\n }\n\n // no default\n }\n }\n\n return null\n },\n\n CallExpression(node, initialScope) {\n const calleeNode = node.callee\n const args = getElementValues(node.arguments, initialScope)\n\n if (args != null) {\n if (calleeNode.type === \"MemberExpression\") {\n if (calleeNode.property.type === \"PrivateIdentifier\") {\n return null\n }\n const object = getStaticValueR(calleeNode.object, initialScope)\n if (object != null) {\n if (\n object.value == null &&\n (object.optional || node.optional)\n ) {\n return { value: undefined, optional: true }\n }\n const property = getStaticPropertyNameValue(\n calleeNode,\n initialScope,\n )\n\n if (property != null) {\n const receiver =\n /** @type {Record any>} */ (\n object.value\n )\n const methodName = /** @type {PropertyKey} */ (\n property.value\n )\n if (callAllowed.has(receiver[methodName])) {\n return {\n value: receiver[methodName](...args),\n }\n }\n if (callPassThrough.has(receiver[methodName])) {\n return { value: args[0] }\n }\n }\n }\n } else {\n const callee = getStaticValueR(calleeNode, initialScope)\n if (callee != null) {\n if (callee.value == null && node.optional) {\n return { value: undefined, optional: true }\n }\n const func = /** @type {(...args: any[]) => any} */ (\n callee.value\n )\n if (callAllowed.has(func)) {\n return { value: func(...args) }\n }\n if (callPassThrough.has(func)) {\n return { value: args[0] }\n }\n }\n }\n }\n\n return null\n },\n\n ConditionalExpression(node, initialScope) {\n const test = getStaticValueR(node.test, initialScope)\n if (test != null) {\n return test.value\n ? getStaticValueR(node.consequent, initialScope)\n : getStaticValueR(node.alternate, initialScope)\n }\n return null\n },\n\n ExpressionStatement(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n\n Identifier(node, initialScope) {\n if (initialScope != null) {\n const variable = findVariable(initialScope, node)\n\n if (variable != null) {\n // Built-in globals.\n if (isBuiltinGlobal(variable)) {\n return { value: globalObject[variable.name] }\n }\n\n // Constants.\n if (canBeConsideredConst(variable)) {\n const def = variable.defs[0]\n if (\n // TODO(mysticatea): don't support destructuring here.\n def.node.id.type === \"Identifier\"\n ) {\n const init = getStaticValueR(\n def.node.init,\n initialScope,\n )\n if (\n init &&\n typeof init.value === \"object\" &&\n init.value !== null\n ) {\n if (hasMutationInProperty(variable, initialScope)) {\n // This variable has mutation in its property.\n return null\n }\n }\n return init\n }\n }\n }\n }\n return null\n },\n\n Literal(node) {\n const literal =\n /** @type {Partial & Partial & Partial} */ (\n node\n )\n //istanbul ignore if : this is implementation-specific behavior.\n if (\n (literal.regex != null || literal.bigint != null) &&\n literal.value == null\n ) {\n // It was a RegExp/BigInt literal, but Node.js didn't support it.\n return null\n }\n return { value: literal.value }\n },\n\n LogicalExpression(node, initialScope) {\n const left = getStaticValueR(node.left, initialScope)\n if (left != null) {\n if (\n (node.operator === \"||\" && Boolean(left.value) === true) ||\n (node.operator === \"&&\" && Boolean(left.value) === false) ||\n (node.operator === \"??\" && left.value != null)\n ) {\n return left\n }\n\n const right = getStaticValueR(node.right, initialScope)\n if (right != null) {\n return right\n }\n }\n\n return null\n },\n\n MemberExpression(node, initialScope) {\n if (node.property.type === \"PrivateIdentifier\") {\n return null\n }\n const object = getStaticValueR(node.object, initialScope)\n if (object != null) {\n if (object.value == null && (object.optional || node.optional)) {\n return { value: undefined, optional: true }\n }\n const property = getStaticPropertyNameValue(node, initialScope)\n\n if (property != null) {\n if (\n !isGetter(\n /** @type {object} */ (object.value),\n /** @type {PropertyKey} */ (property.value),\n )\n ) {\n return {\n value: /** @type {Record} */ (\n object.value\n )[/** @type {PropertyKey} */ (property.value)],\n }\n }\n\n for (const [classFn, allowed] of getterAllowed) {\n if (\n object.value instanceof classFn &&\n allowed.has(/** @type {string} */ (property.value))\n ) {\n return {\n value: /** @type {Record} */ (\n object.value\n )[/** @type {PropertyKey} */ (property.value)],\n }\n }\n }\n }\n }\n return null\n },\n\n ChainExpression(node, initialScope) {\n const expression = getStaticValueR(node.expression, initialScope)\n if (expression != null) {\n return { value: expression.value }\n }\n return null\n },\n\n NewExpression(node, initialScope) {\n const callee = getStaticValueR(node.callee, initialScope)\n const args = getElementValues(node.arguments, initialScope)\n\n if (callee != null && args != null) {\n const Func = /** @type {new (...args: any[]) => any} */ (\n callee.value\n )\n if (callAllowed.has(Func)) {\n return { value: new Func(...args) }\n }\n }\n\n return null\n },\n\n ObjectExpression(node, initialScope) {\n /** @type {Record} */\n const object = {}\n\n for (const propertyNode of node.properties) {\n if (propertyNode.type === \"Property\") {\n if (propertyNode.kind !== \"init\") {\n return null\n }\n const key = getStaticPropertyNameValue(\n propertyNode,\n initialScope,\n )\n const value = getStaticValueR(propertyNode.value, initialScope)\n if (key == null || value == null) {\n return null\n }\n object[/** @type {PropertyKey} */ (key.value)] = value.value\n } else if (\n propertyNode.type === \"SpreadElement\" ||\n // @ts-expect-error -- Backward compatibility\n propertyNode.type === \"ExperimentalSpreadProperty\"\n ) {\n const argument = getStaticValueR(\n propertyNode.argument,\n initialScope,\n )\n if (argument == null) {\n return null\n }\n Object.assign(object, argument.value)\n } else {\n return null\n }\n }\n\n return { value: object }\n },\n\n SequenceExpression(node, initialScope) {\n const last = node.expressions[node.expressions.length - 1]\n return getStaticValueR(last, initialScope)\n },\n\n TaggedTemplateExpression(node, initialScope) {\n const tag = getStaticValueR(node.tag, initialScope)\n const expressions = getElementValues(\n node.quasi.expressions,\n initialScope,\n )\n\n if (tag != null && expressions != null) {\n const func = /** @type {(...args: any[]) => any} */ (tag.value)\n /** @type {any[] & { raw?: string[] }} */\n const strings = node.quasi.quasis.map((q) => q.value.cooked)\n strings.raw = node.quasi.quasis.map((q) => q.value.raw)\n\n if (func === String.raw) {\n return { value: func(strings, ...expressions) }\n }\n }\n\n return null\n },\n\n TemplateLiteral(node, initialScope) {\n const expressions = getElementValues(node.expressions, initialScope)\n if (expressions != null) {\n let value = node.quasis[0].value.cooked\n for (let i = 0; i < expressions.length; ++i) {\n value += expressions[i]\n value += /** @type {string} */ (node.quasis[i + 1].value.cooked)\n }\n return { value }\n }\n return null\n },\n\n UnaryExpression(node, initialScope) {\n if (node.operator === \"delete\") {\n // Not supported.\n return null\n }\n if (node.operator === \"void\") {\n return { value: undefined }\n }\n\n const arg = getStaticValueR(node.argument, initialScope)\n if (arg != null) {\n switch (node.operator) {\n case \"-\":\n return { value: -(/** @type {any} */ (arg.value)) }\n case \"+\":\n return { value: +(/** @type {any} */ (arg.value)) } //eslint-disable-line no-implicit-coercion\n case \"!\":\n return { value: !arg.value }\n case \"~\":\n return { value: ~(/** @type {any} */ (arg.value)) }\n case \"typeof\":\n return { value: typeof arg.value }\n\n // no default\n }\n }\n\n return null\n },\n TSAsExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSSatisfiesExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSTypeAssertion(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSNonNullExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n TSInstantiationExpression(node, initialScope) {\n return getStaticValueR(node.expression, initialScope)\n },\n})\n\n/**\n * Get the value of a given node if it's a static value.\n * @param {Node|TSESTreeNode|null|undefined} node The node to get.\n * @param {Scope|undefined|null} initialScope The scope to start finding variable.\n * @returns {StaticValue|null} The static value of the node, or `null`.\n */\nfunction getStaticValueR(node, initialScope) {\n if (node != null && Object.hasOwnProperty.call(operations, node.type)) {\n return /** @type {VisitorCallback} */ (operations[node.type])(\n /** @type {TSESTreeNode} */ (node),\n initialScope,\n )\n }\n return null\n}\n\n/**\n * Get the static value of property name from a MemberExpression node or a Property node.\n * @param {MemberExpression|Property} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {StaticValue|null} The static value of the property name of the node, or `null`.\n */\nfunction getStaticPropertyNameValue(node, initialScope) {\n const nameNode = node.type === \"Property\" ? node.key : node.property\n\n if (node.computed) {\n return getStaticValueR(nameNode, initialScope)\n }\n\n if (nameNode.type === \"Identifier\") {\n return { value: nameNode.name }\n }\n\n if (nameNode.type === \"Literal\") {\n if (/** @type {Partial} */ (nameNode).bigint) {\n return { value: /** @type {BigIntLiteral} */ (nameNode).bigint }\n }\n return { value: String(nameNode.value) }\n }\n\n return null\n}\n\n/**\n * Get the value of a given node if it's a static value.\n * @param {Node} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If this scope was given, this tries to resolve identifier references which are in the given node as much as possible.\n * @returns {StaticValue | null} The static value of the node, or `null`.\n */\nexport function getStaticValue(node, initialScope = null) {\n try {\n return getStaticValueR(node, initialScope)\n } catch (_error) {\n return null\n }\n}\n","import { getStaticValue } from \"./get-static-value.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"estree\").RegExpLiteral} RegExpLiteral */\n/** @typedef {import(\"estree\").BigIntLiteral} BigIntLiteral */\n/** @typedef {import(\"estree\").SimpleLiteral} SimpleLiteral */\n\n/**\n * Get the value of a given node if it's a literal or a template literal.\n * @param {Node} node The node to get.\n * @param {Scope|null} [initialScope] The scope to start finding variable. Optional. If the node is an Identifier node and this scope was given, this checks the variable of the identifier, and returns the value of it if the variable is a constant.\n * @returns {string|null} The value of the node, or `null`.\n */\nexport function getStringIfConstant(node, initialScope = null) {\n // Handle the literals that the platform doesn't support natively.\n if (node && node.type === \"Literal\" && node.value === null) {\n const literal =\n /** @type {Partial & Partial & Partial} */ (\n node\n )\n if (literal.regex) {\n return `/${literal.regex.pattern}/${literal.regex.flags}`\n }\n if (literal.bigint) {\n return literal.bigint\n }\n }\n\n const evaluated = getStaticValue(node, initialScope)\n\n if (evaluated) {\n // `String(Symbol.prototype)` throws error\n try {\n return String(evaluated.value)\n } catch {\n // No op\n }\n }\n\n return null\n}\n","import { getStringIfConstant } from \"./get-string-if-constant.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"estree\").MemberExpression} MemberExpression */\n/** @typedef {import(\"estree\").MethodDefinition} MethodDefinition */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").PropertyDefinition} PropertyDefinition */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Get the property name from a MemberExpression node or a Property node.\n * @param {MemberExpression | MethodDefinition | Property | PropertyDefinition} node The node to get.\n * @param {Scope} [initialScope] The scope to start finding variable. Optional. If the node is a computed property node and this scope was given, this checks the computed property name by the `getStringIfConstant` function with the scope, and returns the value of it.\n * @returns {string|null|undefined} The property name of the node.\n */\nexport function getPropertyName(node, initialScope) {\n switch (node.type) {\n case \"MemberExpression\":\n if (node.computed) {\n return getStringIfConstant(node.property, initialScope)\n }\n if (node.property.type === \"PrivateIdentifier\") {\n return null\n }\n return /** @type {Partial} */ (node.property).name\n\n case \"Property\":\n case \"MethodDefinition\":\n case \"PropertyDefinition\":\n if (node.computed) {\n return getStringIfConstant(node.key, initialScope)\n }\n if (node.key.type === \"Literal\") {\n return String(node.key.value)\n }\n if (node.key.type === \"PrivateIdentifier\") {\n return null\n }\n return /** @type {Partial} */ (node.key).name\n\n default:\n break\n }\n\n return null\n}\n","import { getPropertyName } from \"./get-property-name.mjs\"\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"estree\").Function} FunctionNode */\n/** @typedef {import(\"estree\").FunctionDeclaration} FunctionDeclaration */\n/** @typedef {import(\"estree\").FunctionExpression} FunctionExpression */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n\n/**\n * Get the name and kind of the given function node.\n * @param {FunctionNode} node - The function node to get.\n * @param {SourceCode} [sourceCode] The source code object to get the code of computed property keys.\n * @returns {string} The name and kind of the function node.\n */\n// eslint-disable-next-line complexity\nexport function getFunctionNameWithKind(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n const tokens = []\n const isObjectMethod = parent.type === \"Property\" && parent.value === node\n const isClassMethod =\n parent.type === \"MethodDefinition\" && parent.value === node\n const isClassFieldMethod =\n parent.type === \"PropertyDefinition\" && parent.value === node\n\n // Modifiers.\n if (isClassMethod || isClassFieldMethod) {\n if (parent.static) {\n tokens.push(\"static\")\n }\n if (parent.key.type === \"PrivateIdentifier\") {\n tokens.push(\"private\")\n }\n }\n if (node.async) {\n tokens.push(\"async\")\n }\n if (node.generator) {\n tokens.push(\"generator\")\n }\n\n // Kinds.\n if (isObjectMethod || isClassMethod) {\n if (parent.kind === \"constructor\") {\n return \"constructor\"\n }\n if (parent.kind === \"get\") {\n tokens.push(\"getter\")\n } else if (parent.kind === \"set\") {\n tokens.push(\"setter\")\n } else {\n tokens.push(\"method\")\n }\n } else if (isClassFieldMethod) {\n tokens.push(\"method\")\n } else {\n if (node.type === \"ArrowFunctionExpression\") {\n tokens.push(\"arrow\")\n }\n tokens.push(\"function\")\n }\n\n // Names.\n if (isObjectMethod || isClassMethod || isClassFieldMethod) {\n if (parent.key.type === \"PrivateIdentifier\") {\n tokens.push(`#${parent.key.name}`)\n } else {\n const name = getPropertyName(parent)\n if (name) {\n tokens.push(`'${name}'`)\n } else if (sourceCode) {\n const keyText = sourceCode.getText(parent.key)\n if (!keyText.includes(\"\\n\")) {\n tokens.push(`[${keyText}]`)\n }\n }\n }\n } else if (hasId(node)) {\n tokens.push(`'${node.id.name}'`)\n } else if (\n parent.type === \"VariableDeclarator\" &&\n parent.id &&\n parent.id.type === \"Identifier\"\n ) {\n tokens.push(`'${parent.id.name}'`)\n } else if (\n (parent.type === \"AssignmentExpression\" ||\n parent.type === \"AssignmentPattern\") &&\n parent.left &&\n parent.left.type === \"Identifier\"\n ) {\n tokens.push(`'${parent.left.name}'`)\n } else if (\n parent.type === \"ExportDefaultDeclaration\" &&\n parent.declaration === node\n ) {\n tokens.push(\"'default'\")\n }\n\n return tokens.join(\" \")\n}\n\n/**\n * @param {FunctionNode} node\n * @returns {node is FunctionDeclaration | FunctionExpression & { id: Identifier }}\n */\nfunction hasId(node) {\n return Boolean(\n /** @type {Partial} */ (node)\n .id,\n )\n}\n","import { getKeys, KEYS } from \"eslint-visitor-keys\"\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"./types.mjs\").HasSideEffectOptions} HasSideEffectOptions */\n/** @typedef {import(\"estree\").BinaryExpression} BinaryExpression */\n/** @typedef {import(\"estree\").MemberExpression} MemberExpression */\n/** @typedef {import(\"estree\").MethodDefinition} MethodDefinition */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").PropertyDefinition} PropertyDefinition */\n/** @typedef {import(\"estree\").UnaryExpression} UnaryExpression */\n\nconst typeConversionBinaryOps = Object.freeze(\n new Set([\n \"==\",\n \"!=\",\n \"<\",\n \"<=\",\n \">\",\n \">=\",\n \"<<\",\n \">>\",\n \">>>\",\n \"+\",\n \"-\",\n \"*\",\n \"/\",\n \"%\",\n \"|\",\n \"^\",\n \"&\",\n \"in\",\n ]),\n)\nconst typeConversionUnaryOps = Object.freeze(new Set([\"-\", \"+\", \"!\", \"~\"]))\n\n/**\n * Check whether the given value is an ASTNode or not.\n * @param {any} x The value to check.\n * @returns {x is Node} `true` if the value is an ASTNode.\n */\nfunction isNode(x) {\n return x !== null && typeof x === \"object\" && typeof x.type === \"string\"\n}\n\nconst visitor = Object.freeze(\n Object.assign(Object.create(null), {\n /**\n * @param {Node} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n $visit(node, options, visitorKeys) {\n const { type } = node\n\n if (typeof (/** @type {any} */ (this)[type]) === \"function\") {\n return /** @type {any} */ (this)[type](\n node,\n options,\n visitorKeys,\n )\n }\n\n return this.$visitChildren(node, options, visitorKeys)\n },\n\n /**\n * @param {Node} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n $visitChildren(node, options, visitorKeys) {\n const { type } = node\n\n for (const key of /** @type {(keyof Node)[]} */ (\n visitorKeys[type] || getKeys(node)\n )) {\n const value = node[key]\n\n if (Array.isArray(value)) {\n for (const element of value) {\n if (\n isNode(element) &&\n this.$visit(element, options, visitorKeys)\n ) {\n return true\n }\n }\n } else if (\n isNode(value) &&\n this.$visit(value, options, visitorKeys)\n ) {\n return true\n }\n }\n\n return false\n },\n\n ArrowFunctionExpression() {\n return false\n },\n AssignmentExpression() {\n return true\n },\n AwaitExpression() {\n return true\n },\n /**\n * @param {BinaryExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n BinaryExpression(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n typeConversionBinaryOps.has(node.operator) &&\n (node.left.type !== \"Literal\" || node.right.type !== \"Literal\")\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n CallExpression() {\n return true\n },\n FunctionExpression() {\n return false\n },\n ImportExpression() {\n return true\n },\n /**\n * @param {MemberExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n MemberExpression(node, options, visitorKeys) {\n if (options.considerGetters) {\n return true\n }\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.property.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {MethodDefinition} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n MethodDefinition(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n NewExpression() {\n return true\n },\n /**\n * @param {Property} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n Property(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {PropertyDefinition} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n PropertyDefinition(node, options, visitorKeys) {\n if (\n options.considerImplicitTypeConversion &&\n node.computed &&\n node.key.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n /**\n * @param {UnaryExpression} node\n * @param {HasSideEffectOptions} options\n * @param {Record} visitorKeys\n */\n UnaryExpression(node, options, visitorKeys) {\n if (node.operator === \"delete\") {\n return true\n }\n if (\n options.considerImplicitTypeConversion &&\n typeConversionUnaryOps.has(node.operator) &&\n node.argument.type !== \"Literal\"\n ) {\n return true\n }\n return this.$visitChildren(node, options, visitorKeys)\n },\n UpdateExpression() {\n return true\n },\n YieldExpression() {\n return true\n },\n }),\n)\n\n/**\n * Check whether a given node has any side effect or not.\n * @param {Node} node The node to get.\n * @param {SourceCode} sourceCode The source code object.\n * @param {HasSideEffectOptions} [options] The option object.\n * @returns {boolean} `true` if the node has a certain side effect.\n */\nexport function hasSideEffect(node, sourceCode, options = {}) {\n const { considerGetters = false, considerImplicitTypeConversion = false } =\n options\n return visitor.$visit(\n node,\n { considerGetters, considerImplicitTypeConversion },\n sourceCode.visitorKeys || KEYS,\n )\n}\n","import { isClosingParenToken, isOpeningParenToken } from \"./token-predicate.mjs\"\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.NewExpression} TSNewExpression */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.CallExpression} TSCallExpression */\n/** @typedef {import(\"eslint\").SourceCode} SourceCode */\n/** @typedef {import(\"eslint\").AST.Token} Token */\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n\n/**\n * Get the left parenthesis of the parent node syntax if it exists.\n * E.g., `if (a) {}` then the `(`.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {Token|null} The left parenthesis of the parent node syntax\n */\n// eslint-disable-next-line complexity\nfunction getParentSyntaxParen(node, sourceCode) {\n const parent = /** @type {RuleNode} */ (node).parent\n\n switch (parent.type) {\n case \"CallExpression\":\n case \"NewExpression\":\n if (parent.arguments.length === 1 && parent.arguments[0] === node) {\n return sourceCode.getTokenAfter(\n // @ts-expect-error https://github.com/typescript-eslint/typescript-eslint/pull/5384\n parent.typeArguments ||\n /** @type {RuleNode} */ (\n /** @type {unknown} */ (\n /** @type {TSNewExpression | TSCallExpression} */ (\n parent\n ).typeParameters\n )\n ) ||\n parent.callee,\n isOpeningParenToken,\n )\n }\n return null\n\n case \"DoWhileStatement\":\n if (parent.test === node) {\n return sourceCode.getTokenAfter(\n parent.body,\n isOpeningParenToken,\n )\n }\n return null\n\n case \"IfStatement\":\n case \"WhileStatement\":\n if (parent.test === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"ImportExpression\":\n if (parent.source === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"SwitchStatement\":\n if (parent.discriminant === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n case \"WithStatement\":\n if (parent.object === node) {\n return sourceCode.getFirstToken(parent, 1)\n }\n return null\n\n default:\n return null\n }\n}\n\n/**\n * Check whether a given node is parenthesized or not.\n * @param {number} times The number of parantheses.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {boolean} `true` if the node is parenthesized the given times.\n */\n/**\n * Check whether a given node is parenthesized or not.\n * @param {Node} node The AST node to check.\n * @param {SourceCode} sourceCode The source code object to get tokens.\n * @returns {boolean} `true` if the node is parenthesized.\n */\n/**\n * Check whether a given node is parenthesized or not.\n * @param {Node|number} timesOrNode The first parameter.\n * @param {Node|SourceCode} nodeOrSourceCode The second parameter.\n * @param {SourceCode} [optionalSourceCode] The third parameter.\n * @returns {boolean} `true` if the node is parenthesized.\n */\nexport function isParenthesized(\n timesOrNode,\n nodeOrSourceCode,\n optionalSourceCode,\n) {\n /** @type {number} */\n let times,\n /** @type {RuleNode} */\n node,\n /** @type {SourceCode} */\n sourceCode,\n maybeLeftParen,\n maybeRightParen\n if (typeof timesOrNode === \"number\") {\n times = timesOrNode | 0\n node = /** @type {RuleNode} */ (nodeOrSourceCode)\n sourceCode = /** @type {SourceCode} */ (optionalSourceCode)\n if (!(times >= 1)) {\n throw new TypeError(\"'times' should be a positive integer.\")\n }\n } else {\n times = 1\n node = /** @type {RuleNode} */ (timesOrNode)\n sourceCode = /** @type {SourceCode} */ (nodeOrSourceCode)\n }\n\n if (\n node == null ||\n // `Program` can't be parenthesized\n node.parent == null ||\n // `CatchClause.param` can't be parenthesized, example `try {} catch (error) {}`\n (node.parent.type === \"CatchClause\" && node.parent.param === node)\n ) {\n return false\n }\n\n maybeLeftParen = maybeRightParen = node\n do {\n maybeLeftParen = sourceCode.getTokenBefore(maybeLeftParen)\n maybeRightParen = sourceCode.getTokenAfter(maybeRightParen)\n } while (\n maybeLeftParen != null &&\n maybeRightParen != null &&\n isOpeningParenToken(maybeLeftParen) &&\n isClosingParenToken(maybeRightParen) &&\n // Avoid false positive such as `if (a) {}`\n maybeLeftParen !== getParentSyntaxParen(node, sourceCode) &&\n --times > 0\n )\n\n return times === 0\n}\n","/**\n * @author Toru Nagashima \n * See LICENSE file in root directory for full license.\n */\n\nconst placeholder = /\\$(?:[$&`']|[1-9][0-9]?)/gu\n\n/** @type {WeakMap} */\nconst internal = new WeakMap()\n\n/**\n * Check whether a given character is escaped or not.\n * @param {string} str The string to check.\n * @param {number} index The location of the character to check.\n * @returns {boolean} `true` if the character is escaped.\n */\nfunction isEscaped(str, index) {\n let escaped = false\n for (let i = index - 1; i >= 0 && str.charCodeAt(i) === 0x5c; --i) {\n escaped = !escaped\n }\n return escaped\n}\n\n/**\n * Replace a given string by a given matcher.\n * @param {PatternMatcher} matcher The pattern matcher.\n * @param {string} str The string to be replaced.\n * @param {string} replacement The new substring to replace each matched part.\n * @returns {string} The replaced string.\n */\nfunction replaceS(matcher, str, replacement) {\n const chunks = []\n let index = 0\n\n /**\n * @param {string} key The placeholder.\n * @param {RegExpExecArray} match The matched information.\n * @returns {string} The replaced string.\n */\n function replacer(key, match) {\n switch (key) {\n case \"$$\":\n return \"$\"\n case \"$&\":\n return match[0]\n case \"$`\":\n return str.slice(0, match.index)\n case \"$'\":\n return str.slice(match.index + match[0].length)\n default: {\n const i = key.slice(1)\n if (i in match) {\n return match[/** @type {any} */ (i)]\n }\n return key\n }\n }\n }\n\n for (const match of matcher.execAll(str)) {\n chunks.push(str.slice(index, match.index))\n chunks.push(\n replacement.replace(placeholder, (key) => replacer(key, match)),\n )\n index = match.index + match[0].length\n }\n chunks.push(str.slice(index))\n\n return chunks.join(\"\")\n}\n\n/**\n * Replace a given string by a given matcher.\n * @param {PatternMatcher} matcher The pattern matcher.\n * @param {string} str The string to be replaced.\n * @param {(substring: string, ...args: any[]) => string} replace The function to replace each matched part.\n * @returns {string} The replaced string.\n */\nfunction replaceF(matcher, str, replace) {\n const chunks = []\n let index = 0\n\n for (const match of matcher.execAll(str)) {\n chunks.push(str.slice(index, match.index))\n chunks.push(\n String(\n replace(\n .../** @type {[string, ...string[]]} */ (\n /** @type {string[]} */ (match)\n ),\n match.index,\n match.input,\n ),\n ),\n )\n index = match.index + match[0].length\n }\n chunks.push(str.slice(index))\n\n return chunks.join(\"\")\n}\n\n/**\n * The class to find patterns as considering escape sequences.\n */\nexport class PatternMatcher {\n /**\n * Initialize this matcher.\n * @param {RegExp} pattern The pattern to match.\n * @param {{escaped?:boolean}} [options] The options.\n */\n constructor(pattern, options = {}) {\n const { escaped = false } = options\n if (!(pattern instanceof RegExp)) {\n throw new TypeError(\"'pattern' should be a RegExp instance.\")\n }\n if (!pattern.flags.includes(\"g\")) {\n throw new Error(\"'pattern' should contains 'g' flag.\")\n }\n\n internal.set(this, {\n pattern: new RegExp(pattern.source, pattern.flags),\n escaped: Boolean(escaped),\n })\n }\n\n /**\n * Find the pattern in a given string.\n * @param {string} str The string to find.\n * @returns {IterableIterator} The iterator which iterate the matched information.\n */\n *execAll(str) {\n const { pattern, escaped } =\n /** @type {{pattern:RegExp,escaped:boolean}} */ (internal.get(this))\n let match = null\n let lastIndex = 0\n\n pattern.lastIndex = 0\n while ((match = pattern.exec(str)) != null) {\n if (escaped || !isEscaped(str, match.index)) {\n lastIndex = pattern.lastIndex\n yield match\n pattern.lastIndex = lastIndex\n }\n }\n }\n\n /**\n * Check whether the pattern is found in a given string.\n * @param {string} str The string to check.\n * @returns {boolean} `true` if the pattern was found in the string.\n */\n test(str) {\n const it = this.execAll(str)\n const ret = it.next()\n return !ret.done\n }\n\n /**\n * Replace a given string.\n * @param {string} str The string to be replaced.\n * @param {(string|((...strs:string[])=>string))} replacer The string or function to replace. This is the same as the 2nd argument of `String.prototype.replace`.\n * @returns {string} The replaced string.\n */\n [Symbol.replace](str, replacer) {\n return typeof replacer === \"function\"\n ? replaceF(this, String(str), replacer)\n : replaceS(this, String(str), String(replacer))\n }\n}\n","import { findVariable } from \"./find-variable.mjs\"\nimport { getPropertyName } from \"./get-property-name.mjs\"\nimport { getStringIfConstant } from \"./get-string-if-constant.mjs\"\n/** @typedef {import(\"eslint\").Scope.Scope} Scope */\n/** @typedef {import(\"eslint\").Scope.Variable} Variable */\n/** @typedef {import(\"eslint\").Rule.Node} RuleNode */\n/** @typedef {import(\"estree\").Node} Node */\n/** @typedef {import(\"estree\").Expression} Expression */\n/** @typedef {import(\"estree\").Pattern} Pattern */\n/** @typedef {import(\"estree\").Identifier} Identifier */\n/** @typedef {import(\"estree\").SimpleCallExpression} CallExpression */\n/** @typedef {import(\"estree\").Program} Program */\n/** @typedef {import(\"estree\").ImportDeclaration} ImportDeclaration */\n/** @typedef {import(\"estree\").ExportAllDeclaration} ExportAllDeclaration */\n/** @typedef {import(\"estree\").ExportDefaultDeclaration} ExportDefaultDeclaration */\n/** @typedef {import(\"estree\").ExportNamedDeclaration} ExportNamedDeclaration */\n/** @typedef {import(\"estree\").ImportSpecifier} ImportSpecifier */\n/** @typedef {import(\"estree\").ImportDefaultSpecifier} ImportDefaultSpecifier */\n/** @typedef {import(\"estree\").ImportNamespaceSpecifier} ImportNamespaceSpecifier */\n/** @typedef {import(\"estree\").ExportSpecifier} ExportSpecifier */\n/** @typedef {import(\"estree\").Property} Property */\n/** @typedef {import(\"estree\").AssignmentProperty} AssignmentProperty */\n/** @typedef {import(\"estree\").Literal} Literal */\n/** @typedef {import(\"@typescript-eslint/types\").TSESTree.Node} TSESTreeNode */\n/** @typedef {import(\"./types.mjs\").ReferenceTrackerOptions} ReferenceTrackerOptions */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMap} TraceMap\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMapObject} TraceMapObject\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TrackedReferences} TrackedReferences\n */\n\nconst IMPORT_TYPE = /^(?:Import|Export(?:All|Default|Named))Declaration$/u\n\n/**\n * Check whether a given node is an import node or not.\n * @param {Node} node\n * @returns {node is ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration&{source: Literal}} `true` if the node is an import node.\n */\nfunction isHasSource(node) {\n return (\n IMPORT_TYPE.test(node.type) &&\n /** @type {ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration} */ (\n node\n ).source != null\n )\n}\nconst has =\n /** @type {(traceMap: TraceMap, v: T) => v is (string extends T ? string : T)} */ (\n Function.call.bind(Object.hasOwnProperty)\n )\n\nexport const READ = Symbol(\"read\")\nexport const CALL = Symbol(\"call\")\nexport const CONSTRUCT = Symbol(\"construct\")\nexport const ESM = Symbol(\"esm\")\n\nconst requireCall = { require: { [CALL]: true } }\n\n/**\n * Check whether a given variable is modified or not.\n * @param {Variable|undefined} variable The variable to check.\n * @returns {boolean} `true` if the variable is modified.\n */\nfunction isModifiedGlobal(variable) {\n return (\n variable == null ||\n variable.defs.length !== 0 ||\n variable.references.some((r) => r.isWrite())\n )\n}\n\n/**\n * Check if the value of a given node is passed through to the parent syntax as-is.\n * For example, `a` and `b` in (`a || b` and `c ? a : b`) are passed through.\n * @param {Node} node A node to check.\n * @returns {node is RuleNode & {parent: Expression}} `true` if the node is passed through.\n */\nfunction isPassThrough(node) {\n const parent = /** @type {TSESTreeNode} */ (node).parent\n\n if (parent) {\n switch (parent.type) {\n case \"ConditionalExpression\":\n return parent.consequent === node || parent.alternate === node\n case \"LogicalExpression\":\n return true\n case \"SequenceExpression\":\n return (\n parent.expressions[parent.expressions.length - 1] === node\n )\n case \"ChainExpression\":\n return true\n case \"TSAsExpression\":\n case \"TSSatisfiesExpression\":\n case \"TSTypeAssertion\":\n case \"TSNonNullExpression\":\n case \"TSInstantiationExpression\":\n return true\n\n default:\n return false\n }\n }\n return false\n}\n\n/**\n * The reference tracker.\n */\nexport class ReferenceTracker {\n /**\n * Initialize this tracker.\n * @param {Scope} globalScope The global scope.\n * @param {object} [options] The options.\n * @param {\"legacy\"|\"strict\"} [options.mode=\"strict\"] The mode to determine the ImportDeclaration's behavior for CJS modules.\n * @param {string[]} [options.globalObjectNames=[\"global\",\"globalThis\",\"self\",\"window\"]] The variable names for Global Object.\n */\n constructor(globalScope, options = {}) {\n const {\n mode = \"strict\",\n globalObjectNames = [\"global\", \"globalThis\", \"self\", \"window\"],\n } = options\n /** @private @type {Variable[]} */\n this.variableStack = []\n /** @private */\n this.globalScope = globalScope\n /** @private */\n this.mode = mode\n /** @private */\n this.globalObjectNames = globalObjectNames.slice(0)\n }\n\n /**\n * Iterate the references of global variables.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateGlobalReferences(traceMap) {\n for (const key of Object.keys(traceMap)) {\n const nextTraceMap = traceMap[key]\n const path = [key]\n const variable = this.globalScope.set.get(key)\n\n if (isModifiedGlobal(variable)) {\n continue\n }\n\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (variable),\n path,\n nextTraceMap,\n true,\n )\n }\n\n for (const key of this.globalObjectNames) {\n /** @type {string[]} */\n const path = []\n const variable = this.globalScope.set.get(key)\n\n if (isModifiedGlobal(variable)) {\n continue\n }\n\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (variable),\n path,\n traceMap,\n false,\n )\n }\n }\n\n /**\n * Iterate the references of CommonJS modules.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateCjsReferences(traceMap) {\n for (const { node } of this.iterateGlobalReferences(requireCall)) {\n const key = getStringIfConstant(\n /** @type {CallExpression} */ (node).arguments[0],\n )\n if (key == null || !has(traceMap, key)) {\n continue\n }\n\n const nextTraceMap = traceMap[key]\n const path = [key]\n\n if (nextTraceMap[READ]) {\n yield {\n node,\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iteratePropertyReferences(\n /** @type {CallExpression} */ (node),\n path,\n nextTraceMap,\n )\n }\n }\n\n /**\n * Iterate the references of ES modules.\n * @template T\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *iterateEsmReferences(traceMap) {\n const programNode = /** @type {Program} */ (this.globalScope.block)\n\n for (const node of programNode.body) {\n if (!isHasSource(node)) {\n continue\n }\n const moduleId = /** @type {string} */ (node.source.value)\n\n if (!has(traceMap, moduleId)) {\n continue\n }\n const nextTraceMap = traceMap[moduleId]\n const path = [moduleId]\n\n if (nextTraceMap[READ]) {\n yield {\n // eslint-disable-next-line object-shorthand -- apply type\n node: /** @type {RuleNode} */ (node),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n\n if (node.type === \"ExportAllDeclaration\") {\n for (const key of Object.keys(nextTraceMap)) {\n const exportTraceMap = nextTraceMap[key]\n if (exportTraceMap[READ]) {\n yield {\n // eslint-disable-next-line object-shorthand -- apply type\n node: /** @type {RuleNode} */ (node),\n path: path.concat(key),\n type: READ,\n info: exportTraceMap[READ],\n }\n }\n }\n } else {\n for (const specifier of node.specifiers) {\n const esm = has(nextTraceMap, ESM)\n const it = this._iterateImportReferences(\n specifier,\n path,\n esm\n ? nextTraceMap\n : this.mode === \"legacy\"\n ? { default: nextTraceMap, ...nextTraceMap }\n : { default: nextTraceMap },\n )\n\n if (esm) {\n yield* it\n } else {\n for (const report of it) {\n report.path = report.path.filter(exceptDefault)\n if (\n report.path.length >= 2 ||\n report.type !== READ\n ) {\n yield report\n }\n }\n }\n }\n }\n }\n }\n\n /**\n * Iterate the property references for a given expression AST node.\n * @template T\n * @param {Expression} node The expression AST node to iterate property references.\n * @param {TraceMap} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate property references.\n */\n *iteratePropertyReferences(node, traceMap) {\n yield* this._iteratePropertyReferences(node, [], traceMap)\n }\n\n /**\n * Iterate the references for a given variable.\n * @private\n * @template T\n * @param {Variable} variable The variable to iterate that references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @param {boolean} shouldReport = The flag to report those references.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateVariableReferences(variable, path, traceMap, shouldReport) {\n if (this.variableStack.includes(variable)) {\n return\n }\n this.variableStack.push(variable)\n try {\n for (const reference of variable.references) {\n if (!reference.isRead()) {\n continue\n }\n const node = /** @type {RuleNode & Identifier} */ (\n reference.identifier\n )\n\n if (shouldReport && traceMap[READ]) {\n yield { node, path, type: READ, info: traceMap[READ] }\n }\n yield* this._iteratePropertyReferences(node, path, traceMap)\n }\n } finally {\n this.variableStack.pop()\n }\n }\n\n /**\n * Iterate the references for a given AST node.\n * @private\n * @template T\n * @param {Expression} rootNode The AST node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n //eslint-disable-next-line complexity\n *_iteratePropertyReferences(rootNode, path, traceMap) {\n let node = rootNode\n while (isPassThrough(node)) {\n node = node.parent\n }\n\n const parent = /** @type {RuleNode} */ (node).parent\n if (parent.type === \"MemberExpression\") {\n if (parent.object === node) {\n const key = getPropertyName(parent)\n if (key == null || !has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: parent,\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iteratePropertyReferences(\n parent,\n path,\n nextTraceMap,\n )\n }\n return\n }\n if (parent.type === \"CallExpression\") {\n if (parent.callee === node && traceMap[CALL]) {\n yield { node: parent, path, type: CALL, info: traceMap[CALL] }\n }\n return\n }\n if (parent.type === \"NewExpression\") {\n if (parent.callee === node && traceMap[CONSTRUCT]) {\n yield {\n node: parent,\n path,\n type: CONSTRUCT,\n info: traceMap[CONSTRUCT],\n }\n }\n return\n }\n if (parent.type === \"AssignmentExpression\") {\n if (parent.right === node) {\n yield* this._iterateLhsReferences(parent.left, path, traceMap)\n yield* this._iteratePropertyReferences(parent, path, traceMap)\n }\n return\n }\n if (parent.type === \"AssignmentPattern\") {\n if (parent.right === node) {\n yield* this._iterateLhsReferences(parent.left, path, traceMap)\n }\n return\n }\n if (parent.type === \"VariableDeclarator\") {\n if (parent.init === node) {\n yield* this._iterateLhsReferences(parent.id, path, traceMap)\n }\n }\n }\n\n /**\n * Iterate the references for a given Pattern node.\n * @private\n * @template T\n * @param {Pattern} patternNode The Pattern node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateLhsReferences(patternNode, path, traceMap) {\n if (patternNode.type === \"Identifier\") {\n const variable = findVariable(this.globalScope, patternNode)\n if (variable != null) {\n yield* this._iterateVariableReferences(\n variable,\n path,\n traceMap,\n false,\n )\n }\n return\n }\n if (patternNode.type === \"ObjectPattern\") {\n for (const property of patternNode.properties) {\n const key = getPropertyName(\n /** @type {AssignmentProperty} */ (property),\n )\n\n if (key == null || !has(traceMap, key)) {\n continue\n }\n\n const nextPath = path.concat(key)\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (property),\n path: nextPath,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iterateLhsReferences(\n /** @type {AssignmentProperty} */ (property).value,\n nextPath,\n nextTraceMap,\n )\n }\n return\n }\n if (patternNode.type === \"AssignmentPattern\") {\n yield* this._iterateLhsReferences(patternNode.left, path, traceMap)\n }\n }\n\n /**\n * Iterate the references for a given ModuleSpecifier node.\n * @private\n * @template T\n * @param {ImportSpecifier | ImportDefaultSpecifier | ImportNamespaceSpecifier | ExportSpecifier} specifierNode The ModuleSpecifier node to iterate references.\n * @param {string[]} path The current path.\n * @param {TraceMapObject} traceMap The trace map.\n * @returns {IterableIterator>} The iterator to iterate references.\n */\n *_iterateImportReferences(specifierNode, path, traceMap) {\n const type = specifierNode.type\n\n if (type === \"ImportSpecifier\" || type === \"ImportDefaultSpecifier\") {\n const key =\n type === \"ImportDefaultSpecifier\"\n ? \"default\"\n : specifierNode.imported.type === \"Identifier\"\n ? specifierNode.imported.name\n : specifierNode.imported.value\n if (!has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (specifierNode),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (\n findVariable(this.globalScope, specifierNode.local)\n ),\n path,\n nextTraceMap,\n false,\n )\n\n return\n }\n\n if (type === \"ImportNamespaceSpecifier\") {\n yield* this._iterateVariableReferences(\n /** @type {Variable} */ (\n findVariable(this.globalScope, specifierNode.local)\n ),\n path,\n traceMap,\n false,\n )\n return\n }\n\n if (type === \"ExportSpecifier\") {\n const key =\n specifierNode.local.type === \"Identifier\"\n ? specifierNode.local.name\n : specifierNode.local.value\n if (!has(traceMap, key)) {\n return\n }\n\n path = path.concat(key) //eslint-disable-line no-param-reassign\n const nextTraceMap = traceMap[key]\n if (nextTraceMap[READ]) {\n yield {\n node: /** @type {RuleNode} */ (specifierNode),\n path,\n type: READ,\n info: nextTraceMap[READ],\n }\n }\n }\n }\n}\n\nReferenceTracker.READ = READ\nReferenceTracker.CALL = CALL\nReferenceTracker.CONSTRUCT = CONSTRUCT\nReferenceTracker.ESM = ESM\n\n/**\n * This is a predicate function for Array#filter.\n * @param {string} name A name part.\n * @param {number} index The index of the name.\n * @returns {boolean} `false` if it's default.\n */\nfunction exceptDefault(name, index) {\n return !(index === 1 && name === \"default\")\n}\n","/** @typedef {import(\"./types.mjs\").StaticValue} StaticValue */\n/** @typedef {import(\"./types.mjs\").StaticValueOptional} StaticValueOptional */\n/** @typedef {import(\"./types.mjs\").StaticValueProvided} StaticValueProvided */\n/** @typedef {import(\"./types.mjs\").ReferenceTrackerOptions} ReferenceTrackerOptions */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TraceMap} TraceMap\n */\n/**\n * @template T\n * @typedef {import(\"./types.mjs\").TrackedReferences} TrackedReferences\n */\n/** @typedef {import(\"./types.mjs\").HasSideEffectOptions} HasSideEffectOptions */\n/** @typedef {import(\"./types.mjs\").ArrowToken} ArrowToken */\n/** @typedef {import(\"./types.mjs\").CommaToken} CommaToken */\n/** @typedef {import(\"./types.mjs\").SemicolonToken} SemicolonToken */\n/** @typedef {import(\"./types.mjs\").ColonToken} ColonToken */\n/** @typedef {import(\"./types.mjs\").OpeningParenToken} OpeningParenToken */\n/** @typedef {import(\"./types.mjs\").ClosingParenToken} ClosingParenToken */\n/** @typedef {import(\"./types.mjs\").OpeningBracketToken} OpeningBracketToken */\n/** @typedef {import(\"./types.mjs\").ClosingBracketToken} ClosingBracketToken */\n/** @typedef {import(\"./types.mjs\").OpeningBraceToken} OpeningBraceToken */\n/** @typedef {import(\"./types.mjs\").ClosingBraceToken} ClosingBraceToken */\n\nimport { findVariable } from \"./find-variable.mjs\"\nimport { getFunctionHeadLocation } from \"./get-function-head-location.mjs\"\nimport { getFunctionNameWithKind } from \"./get-function-name-with-kind.mjs\"\nimport { getInnermostScope } from \"./get-innermost-scope.mjs\"\nimport { getPropertyName } from \"./get-property-name.mjs\"\nimport { getStaticValue } from \"./get-static-value.mjs\"\nimport { getStringIfConstant } from \"./get-string-if-constant.mjs\"\nimport { hasSideEffect } from \"./has-side-effect.mjs\"\nimport { isParenthesized } from \"./is-parenthesized.mjs\"\nimport { PatternMatcher } from \"./pattern-matcher.mjs\"\nimport {\n CALL,\n CONSTRUCT,\n ESM,\n READ,\n ReferenceTracker,\n} from \"./reference-tracker.mjs\"\nimport {\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isSemicolonToken,\n} from \"./token-predicate.mjs\"\n\nexport default {\n CALL,\n CONSTRUCT,\n ESM,\n findVariable,\n getFunctionHeadLocation,\n getFunctionNameWithKind,\n getInnermostScope,\n getPropertyName,\n getStaticValue,\n getStringIfConstant,\n hasSideEffect,\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isParenthesized,\n isSemicolonToken,\n PatternMatcher,\n READ,\n ReferenceTracker,\n}\nexport {\n CALL,\n CONSTRUCT,\n ESM,\n findVariable,\n getFunctionHeadLocation,\n getFunctionNameWithKind,\n getInnermostScope,\n getPropertyName,\n getStaticValue,\n getStringIfConstant,\n hasSideEffect,\n isArrowToken,\n isClosingBraceToken,\n isClosingBracketToken,\n isClosingParenToken,\n isColonToken,\n isCommaToken,\n isCommentToken,\n isNotArrowToken,\n isNotClosingBraceToken,\n isNotClosingBracketToken,\n isNotClosingParenToken,\n isNotColonToken,\n isNotCommaToken,\n isNotCommentToken,\n isNotOpeningBraceToken,\n isNotOpeningBracketToken,\n isNotOpeningParenToken,\n isNotSemicolonToken,\n isOpeningBraceToken,\n isOpeningBracketToken,\n isOpeningParenToken,\n isParenthesized,\n isSemicolonToken,\n PatternMatcher,\n READ,\n 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\ No newline at end of file diff --git a/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/LICENSE b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/LICENSE new file mode 100644 index 000000000..17a25538d --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright contributors + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/README.md b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/README.md new file mode 100644 index 000000000..cab810320 --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/README.md @@ -0,0 +1,105 @@ +# eslint-visitor-keys + +[![npm version](https://img.shields.io/npm/v/eslint-visitor-keys.svg)](https://www.npmjs.com/package/eslint-visitor-keys) +[![Downloads/month](https://img.shields.io/npm/dm/eslint-visitor-keys.svg)](http://www.npmtrends.com/eslint-visitor-keys) +[![Build Status](https://github.com/eslint/eslint-visitor-keys/workflows/CI/badge.svg)](https://github.com/eslint/eslint-visitor-keys/actions) + +Constants and utilities about visitor keys to traverse AST. + +## 💿 Installation + +Use [npm] to install. + +```bash +$ npm install eslint-visitor-keys +``` + +### Requirements + +- [Node.js] `^12.22.0`, `^14.17.0`, or `>=16.0.0` + + +## 📖 Usage + +To use in an ESM file: + +```js +import * as evk from "eslint-visitor-keys" +``` + +To use in a CommonJS file: + +```js +const evk = require("eslint-visitor-keys") +``` + +### evk.KEYS + +> type: `{ [type: string]: string[] | undefined }` + +Visitor keys. This keys are frozen. + +This is an object. Keys are the type of [ESTree] nodes. Their values are an array of property names which have child nodes. + +For example: + +``` +console.log(evk.KEYS.AssignmentExpression) // → ["left", "right"] +``` + +### evk.getKeys(node) + +> type: `(node: object) => string[]` + +Get the visitor keys of a given AST node. + +This is similar to `Object.keys(node)` of ES Standard, but some keys are excluded: `parent`, `leadingComments`, `trailingComments`, and names which start with `_`. + +This will be used to traverse unknown nodes. + +For example: + +```js +const node = { + type: "AssignmentExpression", + left: { type: "Identifier", name: "foo" }, + right: { type: "Literal", value: 0 } +} +console.log(evk.getKeys(node)) // → ["type", "left", "right"] +``` + +### evk.unionWith(additionalKeys) + +> type: `(additionalKeys: object) => { [type: string]: string[] | undefined }` + +Make the union set with `evk.KEYS` and the given keys. + +- The order of keys is, `additionalKeys` is at first, then `evk.KEYS` is concatenated after that. +- It removes duplicated keys as keeping the first one. + +For example: + +```js +console.log(evk.unionWith({ + MethodDefinition: ["decorators"] +})) // → { ..., MethodDefinition: ["decorators", "key", "value"], ... } +``` + +## 📰 Change log + +See [GitHub releases](https://github.com/eslint/eslint-visitor-keys/releases). + +## 🍻 Contributing + +Welcome. See [ESLint contribution guidelines](https://eslint.org/docs/developer-guide/contributing/). + +### Development commands + +- `npm test` runs tests and measures code coverage. +- `npm run lint` checks source codes with ESLint. +- `npm run test:open-coverage` opens the code coverage report of the previous test with your default browser. + + +[npm]: https://www.npmjs.com/ +[Node.js]: https://nodejs.org/ +[ESTree]: https://github.com/estree/estree diff --git a/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.cjs b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.cjs new file mode 100644 index 000000000..00f91bcc4 --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.cjs @@ -0,0 +1,384 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ + +/** + * @type {VisitorKeys} + */ +const KEYS = { + ArrayExpression: [ + "elements" + ], + ArrayPattern: [ + "elements" + ], + ArrowFunctionExpression: [ + "params", + "body" + ], + AssignmentExpression: [ + "left", + "right" + ], + AssignmentPattern: [ + "left", + "right" + ], + AwaitExpression: [ + "argument" + ], + BinaryExpression: [ + "left", + "right" + ], + BlockStatement: [ + "body" + ], + BreakStatement: [ + "label" + ], + CallExpression: [ + "callee", + "arguments" + ], + CatchClause: [ + "param", + "body" + ], + ChainExpression: [ + "expression" + ], + ClassBody: [ + "body" + ], + ClassDeclaration: [ + "id", + "superClass", + "body" + ], + ClassExpression: [ + "id", + "superClass", + "body" + ], + ConditionalExpression: [ + "test", + "consequent", + "alternate" + ], + ContinueStatement: [ + "label" + ], + DebuggerStatement: [], + DoWhileStatement: [ + "body", + "test" + ], + EmptyStatement: [], + ExperimentalRestProperty: [ + "argument" + ], + ExperimentalSpreadProperty: [ + "argument" + ], + ExportAllDeclaration: [ + "exported", + "source" + ], + ExportDefaultDeclaration: [ + "declaration" + ], + ExportNamedDeclaration: [ + "declaration", + "specifiers", + "source" + ], + ExportSpecifier: [ + "exported", + "local" + ], + ExpressionStatement: [ + "expression" + ], + ForInStatement: [ + "left", + "right", + "body" + ], + ForOfStatement: [ + "left", + "right", + "body" + ], + ForStatement: [ + "init", + "test", + "update", + "body" + ], + FunctionDeclaration: [ + "id", + "params", + "body" + ], + FunctionExpression: [ + "id", + "params", + "body" + ], + Identifier: [], + IfStatement: [ + "test", + "consequent", + "alternate" + ], + ImportDeclaration: [ + "specifiers", + "source" + ], + ImportDefaultSpecifier: [ + "local" + ], + ImportExpression: [ + "source" + ], + ImportNamespaceSpecifier: [ + "local" + ], + ImportSpecifier: [ + "imported", + "local" + ], + JSXAttribute: [ + "name", + "value" + ], + JSXClosingElement: [ + "name" + ], + JSXClosingFragment: [], + JSXElement: [ + "openingElement", + "children", + "closingElement" + ], + JSXEmptyExpression: [], + JSXExpressionContainer: [ + "expression" + ], + JSXFragment: [ + "openingFragment", + "children", + "closingFragment" + ], + JSXIdentifier: [], + JSXMemberExpression: [ + "object", + "property" + ], + JSXNamespacedName: [ + "namespace", + "name" + ], + JSXOpeningElement: [ + "name", + "attributes" + ], + JSXOpeningFragment: [], + JSXSpreadAttribute: [ + "argument" + ], + JSXSpreadChild: [ + "expression" + ], + JSXText: [], + LabeledStatement: [ + "label", + "body" + ], + Literal: [], + LogicalExpression: [ + "left", + "right" + ], + MemberExpression: [ + "object", + "property" + ], + MetaProperty: [ + "meta", + "property" + ], + MethodDefinition: [ + "key", + "value" + ], + NewExpression: [ + "callee", + "arguments" + ], + ObjectExpression: [ + "properties" + ], + ObjectPattern: [ + "properties" + ], + PrivateIdentifier: [], + Program: [ + "body" + ], + Property: [ + "key", + "value" + ], + PropertyDefinition: [ + "key", + "value" + ], + RestElement: [ + "argument" + ], + ReturnStatement: [ + "argument" + ], + SequenceExpression: [ + "expressions" + ], + SpreadElement: [ + "argument" + ], + StaticBlock: [ + "body" + ], + Super: [], + SwitchCase: [ + "test", + "consequent" + ], + SwitchStatement: [ + "discriminant", + "cases" + ], + TaggedTemplateExpression: [ + "tag", + "quasi" + ], + TemplateElement: [], + TemplateLiteral: [ + "quasis", + "expressions" + ], + ThisExpression: [], + ThrowStatement: [ + "argument" + ], + TryStatement: [ + "block", + "handler", + "finalizer" + ], + UnaryExpression: [ + "argument" + ], + UpdateExpression: [ + "argument" + ], + VariableDeclaration: [ + "declarations" + ], + VariableDeclarator: [ + "id", + "init" + ], + WhileStatement: [ + "test", + "body" + ], + WithStatement: [ + "object", + "body" + ], + YieldExpression: [ + "argument" + ] +}; + +// Types. +const NODE_TYPES = Object.keys(KEYS); + +// Freeze the keys. +for (const type of NODE_TYPES) { + Object.freeze(KEYS[type]); +} +Object.freeze(KEYS); + +/** + * @author Toru Nagashima + * See LICENSE file in root directory for full license. + */ + +/** + * @typedef {import('./visitor-keys.js').VisitorKeys} VisitorKeys + */ + +// List to ignore keys. +const KEY_BLACKLIST = new Set([ + "parent", + "leadingComments", + "trailingComments" +]); + +/** + * Check whether a given key should be used or not. + * @param {string} key The key to check. + * @returns {boolean} `true` if the key should be used. + */ +function filterKey(key) { + return !KEY_BLACKLIST.has(key) && key[0] !== "_"; +} + +/** + * Get visitor keys of a given node. + * @param {object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +function getKeys(node) { + return Object.keys(node).filter(filterKey); +} + +// Disable valid-jsdoc rule because it reports syntax error on the type of @returns. +// eslint-disable-next-line valid-jsdoc +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +function unionWith(additionalKeys) { + const retv = /** @type {{ + [type: string]: ReadonlyArray + }} */ (Object.assign({}, KEYS)); + + for (const type of Object.keys(additionalKeys)) { + if (Object.prototype.hasOwnProperty.call(retv, type)) { + const keys = new Set(additionalKeys[type]); + + for (const key of retv[type]) { + keys.add(key); + } + + retv[type] = Object.freeze(Array.from(keys)); + } else { + retv[type] = Object.freeze(Array.from(additionalKeys[type])); + } + } + + return Object.freeze(retv); +} + +exports.KEYS = KEYS; +exports.getKeys = getKeys; +exports.unionWith = unionWith; diff --git a/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.d.cts b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.d.cts new file mode 100644 index 000000000..c7c28ed37 --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/eslint-visitor-keys.d.cts @@ -0,0 +1,27 @@ +type VisitorKeys$1 = { + readonly [type: string]: readonly string[]; +}; +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ +/** + * @type {VisitorKeys} + */ +declare const KEYS: VisitorKeys$1; + +/** + * Get visitor keys of a given node. + * @param {object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +declare function getKeys(node: object): readonly string[]; +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +declare function unionWith(additionalKeys: VisitorKeys): VisitorKeys; + +type VisitorKeys = VisitorKeys$1; + +export { KEYS, VisitorKeys, getKeys, unionWith }; diff --git a/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/index.d.ts b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/index.d.ts new file mode 100644 index 000000000..46bd87e27 --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/index.d.ts @@ -0,0 +1,16 @@ +/** + * Get visitor keys of a given node. + * @param {object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +export function getKeys(node: object): readonly string[]; +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +export function unionWith(additionalKeys: VisitorKeys): VisitorKeys; +export { KEYS }; +export type VisitorKeys = import('./visitor-keys.js').VisitorKeys; +import KEYS from "./visitor-keys.js"; +//# sourceMappingURL=index.d.ts.map \ No newline at end of file diff --git a/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/visitor-keys.d.ts b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/visitor-keys.d.ts new file mode 100644 index 000000000..57a952c50 --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/dist/visitor-keys.d.ts @@ -0,0 +1,12 @@ +export default KEYS; +export type VisitorKeys = { + readonly [type: string]: readonly string[]; +}; +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ +/** + * @type {VisitorKeys} + */ +declare const KEYS: VisitorKeys; +//# sourceMappingURL=visitor-keys.d.ts.map \ No newline at end of file diff --git a/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/index.js b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/index.js new file mode 100644 index 000000000..3622816d6 --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/index.js @@ -0,0 +1,65 @@ +/** + * @author Toru Nagashima + * See LICENSE file in root directory for full license. + */ +import KEYS from "./visitor-keys.js"; + +/** + * @typedef {import('./visitor-keys.js').VisitorKeys} VisitorKeys + */ + +// List to ignore keys. +const KEY_BLACKLIST = new Set([ + "parent", + "leadingComments", + "trailingComments" +]); + +/** + * Check whether a given key should be used or not. + * @param {string} key The key to check. + * @returns {boolean} `true` if the key should be used. + */ +function filterKey(key) { + return !KEY_BLACKLIST.has(key) && key[0] !== "_"; +} + +/** + * Get visitor keys of a given node. + * @param {object} node The AST node to get keys. + * @returns {readonly string[]} Visitor keys of the node. + */ +export function getKeys(node) { + return Object.keys(node).filter(filterKey); +} + +// Disable valid-jsdoc rule because it reports syntax error on the type of @returns. +// eslint-disable-next-line valid-jsdoc +/** + * Make the union set with `KEYS` and given keys. + * @param {VisitorKeys} additionalKeys The additional keys. + * @returns {VisitorKeys} The union set. + */ +export function unionWith(additionalKeys) { + const retv = /** @type {{ + [type: string]: ReadonlyArray + }} */ (Object.assign({}, KEYS)); + + for (const type of Object.keys(additionalKeys)) { + if (Object.prototype.hasOwnProperty.call(retv, type)) { + const keys = new Set(additionalKeys[type]); + + for (const key of retv[type]) { + keys.add(key); + } + + retv[type] = Object.freeze(Array.from(keys)); + } else { + retv[type] = Object.freeze(Array.from(additionalKeys[type])); + } + } + + return Object.freeze(retv); +} + +export { KEYS }; diff --git a/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/visitor-keys.js b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/visitor-keys.js new file mode 100644 index 000000000..ccf2b1f9a --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/lib/visitor-keys.js @@ -0,0 +1,315 @@ +/** + * @typedef {{ readonly [type: string]: ReadonlyArray }} VisitorKeys + */ + +/** + * @type {VisitorKeys} + */ +const KEYS = { + ArrayExpression: [ + "elements" + ], + ArrayPattern: [ + "elements" + ], + ArrowFunctionExpression: [ + "params", + "body" + ], + AssignmentExpression: [ + "left", + "right" + ], + AssignmentPattern: [ + "left", + "right" + ], + AwaitExpression: [ + "argument" + ], + BinaryExpression: [ + "left", + "right" + ], + BlockStatement: [ + "body" + ], + BreakStatement: [ + "label" + ], + CallExpression: [ + "callee", + "arguments" + ], + CatchClause: [ + "param", + "body" + ], + ChainExpression: [ + "expression" + ], + ClassBody: [ + "body" + ], + ClassDeclaration: [ + "id", + "superClass", + "body" + ], + ClassExpression: [ + "id", + "superClass", + "body" + ], + ConditionalExpression: [ + "test", + "consequent", + "alternate" + ], + ContinueStatement: [ + "label" + ], + DebuggerStatement: [], + DoWhileStatement: [ + "body", + "test" + ], + EmptyStatement: [], + ExperimentalRestProperty: [ + "argument" + ], + ExperimentalSpreadProperty: [ + "argument" + ], + ExportAllDeclaration: [ + "exported", + "source" + ], + ExportDefaultDeclaration: [ + "declaration" + ], + ExportNamedDeclaration: [ + "declaration", + "specifiers", + "source" + ], + ExportSpecifier: [ + "exported", + "local" + ], + ExpressionStatement: [ + "expression" + ], + ForInStatement: [ + "left", + "right", + "body" + ], + ForOfStatement: [ + "left", + "right", + "body" + ], + ForStatement: [ + "init", + "test", + "update", + "body" + ], + FunctionDeclaration: [ + "id", + "params", + "body" + ], + FunctionExpression: [ + "id", + "params", + "body" + ], + Identifier: [], + IfStatement: [ + "test", + "consequent", + "alternate" + ], + ImportDeclaration: [ + "specifiers", + "source" + ], + ImportDefaultSpecifier: [ + "local" + ], + ImportExpression: [ + "source" + ], + ImportNamespaceSpecifier: [ + "local" + ], + ImportSpecifier: [ + "imported", + "local" + ], + JSXAttribute: [ + "name", + "value" + ], + JSXClosingElement: [ + "name" + ], + JSXClosingFragment: [], + JSXElement: [ + "openingElement", + "children", + "closingElement" + ], + JSXEmptyExpression: [], + JSXExpressionContainer: [ + "expression" + ], + JSXFragment: [ + "openingFragment", + "children", + "closingFragment" + ], + JSXIdentifier: [], + JSXMemberExpression: [ + "object", + "property" + ], + JSXNamespacedName: [ + "namespace", + "name" + ], + JSXOpeningElement: [ + "name", + "attributes" + ], + JSXOpeningFragment: [], + JSXSpreadAttribute: [ + "argument" + ], + JSXSpreadChild: [ + "expression" + ], + JSXText: [], + LabeledStatement: [ + "label", + "body" + ], + Literal: [], + LogicalExpression: [ + "left", + "right" + ], + MemberExpression: [ + "object", + "property" + ], + MetaProperty: [ + "meta", + "property" + ], + MethodDefinition: [ + "key", + "value" + ], + NewExpression: [ + "callee", + "arguments" + ], + ObjectExpression: [ + "properties" + ], + ObjectPattern: [ + "properties" + ], + PrivateIdentifier: [], + Program: [ + "body" + ], + Property: [ + "key", + "value" + ], + PropertyDefinition: [ + "key", + "value" + ], + RestElement: [ + "argument" + ], + ReturnStatement: [ + "argument" + ], + SequenceExpression: [ + "expressions" + ], + SpreadElement: [ + "argument" + ], + StaticBlock: [ + "body" + ], + Super: [], + SwitchCase: [ + "test", + "consequent" + ], + SwitchStatement: [ + "discriminant", + "cases" + ], + TaggedTemplateExpression: [ + "tag", + "quasi" + ], + TemplateElement: [], + TemplateLiteral: [ + "quasis", + "expressions" + ], + ThisExpression: [], + ThrowStatement: [ + "argument" + ], + TryStatement: [ + "block", + "handler", + "finalizer" + ], + UnaryExpression: [ + "argument" + ], + UpdateExpression: [ + "argument" + ], + VariableDeclaration: [ + "declarations" + ], + VariableDeclarator: [ + "id", + "init" + ], + WhileStatement: [ + "test", + "body" + ], + WithStatement: [ + "object", + "body" + ], + YieldExpression: [ + "argument" + ] +}; + +// Types. +const NODE_TYPES = Object.keys(KEYS); + +// Freeze the keys. +for (const type of NODE_TYPES) { + Object.freeze(KEYS[type]); +} +Object.freeze(KEYS); + +export default KEYS; diff --git a/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/package.json b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/package.json new file mode 100644 index 000000000..b9d51ce0e --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/node_modules/eslint-visitor-keys/package.json @@ -0,0 +1,74 @@ +{ + "name": "eslint-visitor-keys", + "version": "3.4.3", + "description": "Constants and utilities about visitor keys to traverse AST.", + "type": "module", + "main": "dist/eslint-visitor-keys.cjs", + "types": "./dist/index.d.ts", + "exports": { + ".": [ + { + "import": "./lib/index.js", + "require": "./dist/eslint-visitor-keys.cjs" + }, + "./dist/eslint-visitor-keys.cjs" + ], + "./package.json": "./package.json" + }, + "files": [ + "dist/index.d.ts", + "dist/visitor-keys.d.ts", + "dist/eslint-visitor-keys.cjs", + "dist/eslint-visitor-keys.d.cts", + "lib" + ], + "engines": { + "node": "^12.22.0 || ^14.17.0 || >=16.0.0" + }, + "devDependencies": { + "@types/estree": "^0.0.51", + "@types/estree-jsx": "^0.0.1", + "@typescript-eslint/parser": "^5.14.0", + "c8": "^7.11.0", + "chai": "^4.3.6", + "eslint": "^7.29.0", + "eslint-config-eslint": "^7.0.0", + "eslint-plugin-jsdoc": "^35.4.0", + "eslint-plugin-node": "^11.1.0", + "eslint-release": "^3.2.0", + "esquery": "^1.4.0", + "json-diff": "^0.7.3", + "mocha": "^9.2.1", + "opener": "^1.5.2", + "rollup": "^2.70.0", + "rollup-plugin-dts": "^4.2.3", + "tsd": "^0.19.1", + "typescript": "^4.6.2" + }, + "scripts": { + "build": "npm run build:cjs && npm run build:types", + "build:cjs": "rollup -c", + "build:debug": "npm run build:cjs -- -m && npm run build:types", + "build:keys": "node tools/build-keys-from-ts", + "build:types": "tsc", + "lint": "eslint .", + "prepare": "npm run build", + "release:generate:latest": "eslint-generate-release", + "release:generate:alpha": "eslint-generate-prerelease alpha", + "release:generate:beta": "eslint-generate-prerelease beta", + "release:generate:rc": "eslint-generate-prerelease rc", + "release:publish": "eslint-publish-release", + "test": "mocha tests/lib/**/*.cjs && c8 mocha tests/lib/**/*.js && npm run test:types", + "test:open-coverage": "c8 report --reporter lcov && opener coverage/lcov-report/index.html", + "test:types": "tsd" + }, + "repository": "eslint/eslint-visitor-keys", + "funding": "https://opencollective.com/eslint", + "keywords": [], + "author": "Toru Nagashima (https://github.com/mysticatea)", + "license": "Apache-2.0", + "bugs": { + "url": "https://github.com/eslint/eslint-visitor-keys/issues" + }, + "homepage": "https://github.com/eslint/eslint-visitor-keys#readme" +} diff --git a/node_modules/@eslint-community/eslint-utils/package.json b/node_modules/@eslint-community/eslint-utils/package.json new file mode 100644 index 000000000..ce5b54d17 --- /dev/null +++ b/node_modules/@eslint-community/eslint-utils/package.json @@ -0,0 +1,89 @@ +{ + "name": "@eslint-community/eslint-utils", + "version": "4.9.0", + "description": "Utilities for ESLint plugins.", + "keywords": [ + "eslint" + ], + "homepage": "https://github.com/eslint-community/eslint-utils#readme", + "bugs": { + "url": "https://github.com/eslint-community/eslint-utils/issues" + }, + "repository": { + "type": "git", + "url": "https://github.com/eslint-community/eslint-utils" + }, + "license": "MIT", + "author": "Toru Nagashima", + "sideEffects": false, + "exports": { + ".": { + "import": "./index.mjs", + "require": "./index.js" + }, + "./package.json": "./package.json" + }, + "main": "index", + "module": "index.mjs", + "files": [ + "index.*" + ], + "scripts": { + "prebuild": "npm run -s clean", + "build": "npm run build:dts && npm run build:rollup", + "build:dts": "tsc -p tsconfig.build.json", + "build:rollup": "rollup -c", + "clean": "rimraf .nyc_output coverage index.* dist", + "coverage": "opener ./coverage/lcov-report/index.html", + "docs:build": "vitepress build docs", + "docs:watch": "vitepress dev docs", + "format": "npm run -s format:prettier -- --write", + "format:prettier": "prettier .", + "format:check": "npm run -s format:prettier -- --check", + "lint:eslint": "eslint .", + "lint:format": "npm run -s format:check", + "lint:installed-check": "installed-check -v -i installed-check -i npm-run-all2 -i knip -i rollup-plugin-dts", + "lint:knip": "knip", + "lint": "run-p lint:*", + "test-coverage": "c8 mocha --reporter dot \"test/*.mjs\"", + "test": "mocha --reporter dot \"test/*.mjs\"", + "preversion": "npm run test-coverage && npm run -s build", + "postversion": "git push && git push --tags", + "prewatch": "npm run -s clean", + "watch": "warun \"{src,test}/**/*.mjs\" -- npm run -s test:mocha" + }, + "dependencies": { + "eslint-visitor-keys": "^3.4.3" + }, + "devDependencies": { + "@eslint-community/eslint-plugin-mysticatea": "^15.6.1", + "@types/eslint": "^9.6.1", + "@types/estree": "^1.0.7", + "@typescript-eslint/parser": "^5.62.0", + "@typescript-eslint/types": "^5.62.0", + "c8": "^8.0.1", + "dot-prop": "^7.2.0", + "eslint": "^8.57.1", + "installed-check": "^8.0.1", + "knip": "^5.33.3", + "mocha": "^9.2.2", + "npm-run-all2": "^6.2.3", + "opener": "^1.5.2", + "prettier": "2.8.8", + "rimraf": "^3.0.2", + "rollup": "^2.79.2", + "rollup-plugin-dts": "^4.2.3", + "rollup-plugin-sourcemaps": "^0.6.3", + "semver": "^7.6.3", + "typescript": "^4.9.5", + "vitepress": "^1.4.1", + "warun": "^1.0.0" + }, + "peerDependencies": { + "eslint": "^6.0.0 || ^7.0.0 || >=8.0.0" + }, + "engines": { + "node": "^12.22.0 || ^14.17.0 || >=16.0.0" + }, + "funding": "https://opencollective.com/eslint" +} diff --git a/node_modules/@eslint-community/regexpp/LICENSE b/node_modules/@eslint-community/regexpp/LICENSE new file mode 100644 index 000000000..883ee1f61 --- /dev/null +++ b/node_modules/@eslint-community/regexpp/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2018 Toru Nagashima + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/node_modules/@eslint-community/regexpp/README.md b/node_modules/@eslint-community/regexpp/README.md new file mode 100644 index 000000000..9728af519 --- /dev/null +++ b/node_modules/@eslint-community/regexpp/README.md @@ -0,0 +1,177 @@ +# @eslint-community/regexpp + +[![npm version](https://img.shields.io/npm/v/@eslint-community/regexpp.svg)](https://www.npmjs.com/package/@eslint-community/regexpp) +[![Downloads/month](https://img.shields.io/npm/dm/@eslint-community/regexpp.svg)](http://www.npmtrends.com/@eslint-community/regexpp) +[![Build Status](https://github.com/eslint-community/regexpp/workflows/CI/badge.svg)](https://github.com/eslint-community/regexpp/actions) +[![codecov](https://codecov.io/gh/eslint-community/regexpp/branch/main/graph/badge.svg)](https://codecov.io/gh/eslint-community/regexpp) + +A regular expression parser for ECMAScript. + +## 💿 Installation + +```bash +$ npm install @eslint-community/regexpp +``` + +- require Node@^12.0.0 || ^14.0.0 || >=16.0.0. + +## 📖 Usage + +```ts +import { + AST, + RegExpParser, + RegExpValidator, + RegExpVisitor, + parseRegExpLiteral, + validateRegExpLiteral, + visitRegExpAST +} from "@eslint-community/regexpp" +``` + +### parseRegExpLiteral(source, options?) + +Parse a given regular expression literal then make AST object. + +This is equivalent to `new RegExpParser(options).parseLiteral(source)`. + +- **Parameters:** + - `source` (`string | RegExp`) The source code to parse. + - `options?` ([`RegExpParser.Options`]) The options to parse. +- **Return:** + - The AST of the regular expression. + +### validateRegExpLiteral(source, options?) + +Validate a given regular expression literal. + +This is equivalent to `new RegExpValidator(options).validateLiteral(source)`. + +- **Parameters:** + - `source` (`string`) The source code to validate. + - `options?` ([`RegExpValidator.Options`]) The options to validate. + +### visitRegExpAST(ast, handlers) + +Visit each node of a given AST. + +This is equivalent to `new RegExpVisitor(handlers).visit(ast)`. + +- **Parameters:** + - `ast` ([`AST.Node`]) The AST to visit. + - `handlers` ([`RegExpVisitor.Handlers`]) The callbacks. + +### RegExpParser + +#### new RegExpParser(options?) + +- **Parameters:** + - `options?` ([`RegExpParser.Options`]) The options to parse. + +#### parser.parseLiteral(source, start?, end?) + +Parse a regular expression literal. + +- **Parameters:** + - `source` (`string`) The source code to parse. E.g. `"/abc/g"`. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. +- **Return:** + - The AST of the regular expression. + +#### parser.parsePattern(source, start?, end?, flags?) + +Parse a regular expression pattern. + +- **Parameters:** + - `source` (`string`) The source code to parse. E.g. `"abc"`. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. + - `flags?` (`{ unicode?: boolean, unicodeSets?: boolean }`) The flags to enable Unicode mode, and Unicode Set mode. +- **Return:** + - The AST of the regular expression pattern. + +#### parser.parseFlags(source, start?, end?) + +Parse a regular expression flags. + +- **Parameters:** + - `source` (`string`) The source code to parse. E.g. `"gim"`. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. +- **Return:** + - The AST of the regular expression flags. + +### RegExpValidator + +#### new RegExpValidator(options) + +- **Parameters:** + - `options` ([`RegExpValidator.Options`]) The options to validate. + +#### validator.validateLiteral(source, start, end) + +Validate a regular expression literal. + +- **Parameters:** + - `source` (`string`) The source code to validate. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. + +#### validator.validatePattern(source, start, end, flags) + +Validate a regular expression pattern. + +- **Parameters:** + - `source` (`string`) The source code to validate. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. + - `flags?` (`{ unicode?: boolean, unicodeSets?: boolean }`) The flags to enable Unicode mode, and Unicode Set mode. + +#### validator.validateFlags(source, start, end) + +Validate a regular expression flags. + +- **Parameters:** + - `source` (`string`) The source code to validate. + - `start?` (`number`) The start index in the source code. Default is `0`. + - `end?` (`number`) The end index in the source code. Default is `source.length`. + +### RegExpVisitor + +#### new RegExpVisitor(handlers) + +- **Parameters:** + - `handlers` ([`RegExpVisitor.Handlers`]) The callbacks. + +#### visitor.visit(ast) + +Validate a regular expression literal. + +- **Parameters:** + - `ast` ([`AST.Node`]) The AST to visit. + +## 📰 Changelog + +- [GitHub Releases](https://github.com/eslint-community/regexpp/releases) + +## 🍻 Contributing + +Welcome contributing! + +Please use GitHub's Issues/PRs. + +### Development Tools + +- `npm test` runs tests and measures coverage. +- `npm run build` compiles TypeScript source code to `index.js`, `index.js.map`, and `index.d.ts`. +- `npm run clean` removes the temporary files which are created by `npm test` and `npm run build`. +- `npm run lint` runs ESLint. +- `npm run update:test` updates test fixtures. +- `npm run update:ids` updates `src/unicode/ids.ts`. +- `npm run watch` runs tests with `--watch` option. + +[`AST.Node`]: src/ast.ts#L4 +[`RegExpParser.Options`]: src/parser.ts#L743 +[`RegExpValidator.Options`]: src/validator.ts#L220 +[`RegExpVisitor.Handlers`]: src/visitor.ts#L291 diff --git a/node_modules/@eslint-community/regexpp/index.d.ts b/node_modules/@eslint-community/regexpp/index.d.ts new file mode 100644 index 000000000..c75657aad --- /dev/null +++ b/node_modules/@eslint-community/regexpp/index.d.ts @@ -0,0 +1,1163 @@ +// Generated by dts-bundle v0.7.3 + +declare module "@eslint-community/regexpp" { + import * as AST from "@eslint-community/regexpp/ast"; + import { RegExpParser } from "@eslint-community/regexpp/parser"; + import { RegExpValidator } from "@eslint-community/regexpp/validator"; + import { RegExpVisitor } from "@eslint-community/regexpp/visitor"; + export { RegExpSyntaxError } from "@eslint-community/regexpp/regexp-syntax-error"; + export { AST, RegExpParser, RegExpValidator }; + /** + * Parse a given regular expression literal then make AST object. + * @param source The source code to parse. + * @param options The options to parse. + * @returns The AST of the regular expression. + */ + export function parseRegExpLiteral( + source: RegExp | string, + options?: RegExpParser.Options + ): AST.RegExpLiteral; + /** + * Validate a given regular expression literal. + * @param source The source code to validate. + * @param options The options to validate. + */ + export function validateRegExpLiteral( + source: string, + options?: RegExpValidator.Options + ): void; + export function visitRegExpAST( + node: AST.Node, + handlers: RegExpVisitor.Handlers + ): void; +} + +declare module "@eslint-community/regexpp/ast" { + /** + * The type which includes all nodes. + */ + export type Node = BranchNode | LeafNode; + /** + * The type which includes all branch nodes. + */ + export type BranchNode = + | Alternative + | CapturingGroup + | CharacterClass + | CharacterClassRange + | ClassIntersection + | ClassStringDisjunction + | ClassSubtraction + | ExpressionCharacterClass + | Group + | LookaroundAssertion + | Modifiers + | Pattern + | Quantifier + | RegExpLiteral + | StringAlternative; + /** + * The type which includes all leaf nodes. + */ + export type LeafNode = + | Backreference + | BoundaryAssertion + | Character + | CharacterSet + | Flags + | ModifierFlags; + /** + * The type which includes all atom nodes. + */ + export type Element = Assertion | QuantifiableElement | Quantifier; + /** + * The type which includes all atom nodes that Quantifier node can have as children. + */ + export type QuantifiableElement = + | Backreference + | CapturingGroup + | Character + | CharacterClass + | CharacterSet + | ExpressionCharacterClass + | Group + | LookaheadAssertion; + /** + * The type which includes all character class atom nodes. + */ + export type CharacterClassElement = + | ClassRangesCharacterClassElement + | UnicodeSetsCharacterClassElement; + export type ClassRangesCharacterClassElement = + | Character + | CharacterClassRange + | CharacterUnicodePropertyCharacterSet + | EscapeCharacterSet; + export type UnicodeSetsCharacterClassElement = + | Character + | CharacterClassRange + | ClassStringDisjunction + | EscapeCharacterSet + | ExpressionCharacterClass + | UnicodePropertyCharacterSet + | UnicodeSetsCharacterClass; + /** + * The type which defines common properties for all node types. + */ + export interface NodeBase { + /** The node type. */ + type: Node["type"]; + /** The parent node. */ + parent: Node["parent"]; + /** The 0-based index that this node starts. */ + start: number; + /** The 0-based index that this node ends. */ + end: number; + /** The raw text of this node. */ + raw: string; + } + /** + * The root node. + */ + export interface RegExpLiteral extends NodeBase { + type: "RegExpLiteral"; + parent: null; + pattern: Pattern; + flags: Flags; + } + /** + * The pattern. + */ + export interface Pattern extends NodeBase { + type: "Pattern"; + parent: RegExpLiteral | null; + alternatives: Alternative[]; + } + /** + * The alternative. + * E.g. `a|b` + */ + export interface Alternative extends NodeBase { + type: "Alternative"; + parent: CapturingGroup | Group | LookaroundAssertion | Pattern; + elements: Element[]; + } + /** + * The uncapturing group. + * E.g. `(?:ab)` + */ + export interface Group extends NodeBase { + type: "Group"; + parent: Alternative | Quantifier; + modifiers: Modifiers | null; + alternatives: Alternative[]; + } + /** + * The capturing group. + * E.g. `(ab)`, `(?ab)` + */ + export interface CapturingGroup extends NodeBase { + type: "CapturingGroup"; + parent: Alternative | Quantifier; + name: string | null; + alternatives: Alternative[]; + references: Backreference[]; + } + /** + * The lookaround assertion. + */ + export type LookaroundAssertion = LookaheadAssertion | LookbehindAssertion; + /** + * The lookahead assertion. + * E.g. `(?=ab)`, `(?!ab)` + */ + export interface LookaheadAssertion extends NodeBase { + type: "Assertion"; + parent: Alternative | Quantifier; + kind: "lookahead"; + negate: boolean; + alternatives: Alternative[]; + } + /** + * The lookbehind assertion. + * E.g. `(?<=ab)`, `(?` + */ + export type Backreference = AmbiguousBackreference | UnambiguousBackreference; + interface BaseBackreference extends NodeBase { + type: "Backreference"; + parent: Alternative | Quantifier; + ref: number | string; + ambiguous: boolean; + resolved: CapturingGroup | CapturingGroup[]; + } + export interface AmbiguousBackreference extends BaseBackreference { + ref: string; + ambiguous: true; + resolved: CapturingGroup[]; + } + export interface UnambiguousBackreference extends BaseBackreference { + ambiguous: false; + resolved: CapturingGroup; + } + /** + * The modifiers. + */ + export interface Modifiers extends NodeBase { + type: "Modifiers"; + parent: Group; + /** + * The add modifier flags. + */ + add: ModifierFlags; + /** + * The remove modifier flags. + * + * `null` means no remove modifier flags. e.g. `(?ims:x)` + * The reason for `null` is that there is no position where the remove modifier flags appears. Must be behind the minus mark. + */ + remove: ModifierFlags | null; + } + /** + * The modifier flags. + */ + export interface ModifierFlags extends NodeBase { + type: "ModifierFlags"; + parent: Modifiers; + dotAll: boolean; + ignoreCase: boolean; + multiline: boolean; + } + /** + * The flags. + */ + export interface Flags extends NodeBase { + type: "Flags"; + parent: RegExpLiteral | null; + dotAll: boolean; + global: boolean; + hasIndices: boolean; + ignoreCase: boolean; + multiline: boolean; + sticky: boolean; + unicode: boolean; + unicodeSets: boolean; + } + export {}; +} + +declare module "@eslint-community/regexpp/parser" { + import type { + Flags, + RegExpLiteral, + Pattern, + } from "@eslint-community/regexpp/ast"; + import type { EcmaVersion } from "@eslint-community/regexpp/ecma-versions"; + export namespace RegExpParser { + /** + * The options for RegExpParser construction. + */ + interface Options { + /** + * The flag to disable Annex B syntax. Default is `false`. + */ + strict?: boolean; + /** + * ECMAScript version. Default is `2025`. + * - `2015` added `u` and `y` flags. + * - `2018` added `s` flag, Named Capturing Group, Lookbehind Assertion, + * and Unicode Property Escape. + * - `2019`, `2020`, and `2021` added more valid Unicode Property Escapes. + * - `2022` added `d` flag. + * - `2023` added more valid Unicode Property Escapes. + * - `2024` added `v` flag. + * - `2025` added duplicate named capturing groups, modifiers. + */ + ecmaVersion?: EcmaVersion; + } + } + export class RegExpParser { + /** + * Initialize this parser. + * @param options The options of parser. + */ + constructor(options?: RegExpParser.Options); + /** + * Parse a regular expression literal. E.g. "/abc/g" + * @param source The source code to parse. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @returns The AST of the given regular expression. + */ + parseLiteral(source: string, start?: number, end?: number): RegExpLiteral; + /** + * Parse a regular expression flags. E.g. "gim" + * @param source The source code to parse. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @returns The AST of the given flags. + */ + parseFlags(source: string, start?: number, end?: number): Flags; + /** + * Parse a regular expression pattern. E.g. "abc" + * @param source The source code to parse. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @param flags The flags. + * @returns The AST of the given pattern. + */ + parsePattern( + source: string, + start?: number, + end?: number, + flags?: { + unicode?: boolean; + unicodeSets?: boolean; + } + ): Pattern; + /** + * @deprecated Backward compatibility + * Use object `flags` instead of boolean `uFlag`. + * + * @param source The source code to parse. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @param uFlag The flag to set unicode mode. + * @returns The AST of the given pattern. + */ + parsePattern( + source: string, + start?: number, + end?: number, + uFlag?: boolean + ): Pattern; + } +} + +declare module "@eslint-community/regexpp/validator" { + import type { EcmaVersion } from "@eslint-community/regexpp/ecma-versions"; + export type RegExpValidatorSourceContext = { + readonly source: string; + readonly start: number; + readonly end: number; + readonly kind: "flags" | "literal" | "pattern"; + }; + export namespace RegExpValidator { + /** + * The options for RegExpValidator construction. + */ + interface Options { + /** + * The flag to disable Annex B syntax. Default is `false`. + */ + strict?: boolean; + /** + * ECMAScript version. Default is `2025`. + * - `2015` added `u` and `y` flags. + * - `2018` added `s` flag, Named Capturing Group, Lookbehind Assertion, + * and Unicode Property Escape. + * - `2019`, `2020`, and `2021` added more valid Unicode Property Escapes. + * - `2022` added `d` flag. + * - `2023` added more valid Unicode Property Escapes. + * - `2024` added `v` flag. + * - `2025` added duplicate named capturing groups, modifiers. + */ + ecmaVersion?: EcmaVersion; + /** + * A function that is called when the validator entered a RegExp literal. + * @param start The 0-based index of the first character. + */ + onLiteralEnter?: (start: number) => void; + /** + * A function that is called when the validator left a RegExp literal. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onLiteralLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator found flags. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param flags.global `g` flag. + * @param flags.ignoreCase `i` flag. + * @param flags.multiline `m` flag. + * @param flags.unicode `u` flag. + * @param flags.sticky `y` flag. + * @param flags.dotAll `s` flag. + * @param flags.hasIndices `d` flag. + * @param flags.unicodeSets `v` flag. + */ + onRegExpFlags?: ( + start: number, + end: number, + flags: { + global: boolean; + ignoreCase: boolean; + multiline: boolean; + unicode: boolean; + sticky: boolean; + dotAll: boolean; + hasIndices: boolean; + unicodeSets: boolean; + } + ) => void; + /** + * A function that is called when the validator found flags. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param global `g` flag. + * @param ignoreCase `i` flag. + * @param multiline `m` flag. + * @param unicode `u` flag. + * @param sticky `y` flag. + * @param dotAll `s` flag. + * @param hasIndices `d` flag. + * + * @deprecated Use `onRegExpFlags` instead. + */ + onFlags?: ( + start: number, + end: number, + global: boolean, + ignoreCase: boolean, + multiline: boolean, + unicode: boolean, + sticky: boolean, + dotAll: boolean, + hasIndices: boolean + ) => void; + /** + * A function that is called when the validator entered a pattern. + * @param start The 0-based index of the first character. + */ + onPatternEnter?: (start: number) => void; + /** + * A function that is called when the validator left a pattern. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onPatternLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator entered a disjunction. + * @param start The 0-based index of the first character. + */ + onDisjunctionEnter?: (start: number) => void; + /** + * A function that is called when the validator left a disjunction. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onDisjunctionLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator entered an alternative. + * @param start The 0-based index of the first character. + * @param index The 0-based index of alternatives in a disjunction. + */ + onAlternativeEnter?: (start: number, index: number) => void; + /** + * A function that is called when the validator left an alternative. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param index The 0-based index of alternatives in a disjunction. + */ + onAlternativeLeave?: (start: number, end: number, index: number) => void; + /** + * A function that is called when the validator entered an uncapturing group. + * @param start The 0-based index of the first character. + */ + onGroupEnter?: (start: number) => void; + /** + * A function that is called when the validator left an uncapturing group. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onGroupLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator entered a modifiers. + * @param start The 0-based index of the first character. + */ + onModifiersEnter?: (start: number) => void; + /** + * A function that is called when the validator left a modifiers. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onModifiersLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator found an add modifiers. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param flags flags. + * @param flags.ignoreCase `i` flag. + * @param flags.multiline `m` flag. + * @param flags.dotAll `s` flag. + */ + onAddModifiers?: ( + start: number, + end: number, + flags: { + ignoreCase: boolean; + multiline: boolean; + dotAll: boolean; + } + ) => void; + /** + * A function that is called when the validator found a remove modifiers. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param flags flags. + * @param flags.ignoreCase `i` flag. + * @param flags.multiline `m` flag. + * @param flags.dotAll `s` flag. + */ + onRemoveModifiers?: ( + start: number, + end: number, + flags: { + ignoreCase: boolean; + multiline: boolean; + dotAll: boolean; + } + ) => void; + /** + * A function that is called when the validator entered a capturing group. + * @param start The 0-based index of the first character. + * @param name The group name. + */ + onCapturingGroupEnter?: (start: number, name: string | null) => void; + /** + * A function that is called when the validator left a capturing group. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param name The group name. + */ + onCapturingGroupLeave?: ( + start: number, + end: number, + name: string | null + ) => void; + /** + * A function that is called when the validator found a quantifier. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param min The minimum number of repeating. + * @param max The maximum number of repeating. + * @param greedy The flag to choose the longest matching. + */ + onQuantifier?: ( + start: number, + end: number, + min: number, + max: number, + greedy: boolean + ) => void; + /** + * A function that is called when the validator entered a lookahead/lookbehind assertion. + * @param start The 0-based index of the first character. + * @param kind The kind of the assertion. + * @param negate The flag which represents that the assertion is negative. + */ + onLookaroundAssertionEnter?: ( + start: number, + kind: "lookahead" | "lookbehind", + negate: boolean + ) => void; + /** + * A function that is called when the validator left a lookahead/lookbehind assertion. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the assertion. + * @param negate The flag which represents that the assertion is negative. + */ + onLookaroundAssertionLeave?: ( + start: number, + end: number, + kind: "lookahead" | "lookbehind", + negate: boolean + ) => void; + /** + * A function that is called when the validator found an edge boundary assertion. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the assertion. + */ + onEdgeAssertion?: ( + start: number, + end: number, + kind: "end" | "start" + ) => void; + /** + * A function that is called when the validator found a word boundary assertion. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the assertion. + * @param negate The flag which represents that the assertion is negative. + */ + onWordBoundaryAssertion?: ( + start: number, + end: number, + kind: "word", + negate: boolean + ) => void; + /** + * A function that is called when the validator found a dot. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the character set. + */ + onAnyCharacterSet?: (start: number, end: number, kind: "any") => void; + /** + * A function that is called when the validator found a character set escape. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the character set. + * @param negate The flag which represents that the character set is negative. + */ + onEscapeCharacterSet?: ( + start: number, + end: number, + kind: "digit" | "space" | "word", + negate: boolean + ) => void; + /** + * A function that is called when the validator found a Unicode proerty escape. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param kind The kind of the character set. + * @param key The property name. + * @param value The property value. + * @param negate The flag which represents that the character set is negative. + * @param strings If true, the given property is property of strings. + */ + onUnicodePropertyCharacterSet?: ( + start: number, + end: number, + kind: "property", + key: string, + value: string | null, + negate: boolean, + strings: boolean + ) => void; + /** + * A function that is called when the validator found a character. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param value The code point of the character. + */ + onCharacter?: (start: number, end: number, value: number) => void; + /** + * A function that is called when the validator found a backreference. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param ref The key of the referred capturing group. + */ + onBackreference?: ( + start: number, + end: number, + ref: number | string + ) => void; + /** + * A function that is called when the validator entered a character class. + * @param start The 0-based index of the first character. + * @param negate The flag which represents that the character class is negative. + * @param unicodeSets `true` if unicodeSets mode. + */ + onCharacterClassEnter?: ( + start: number, + negate: boolean, + unicodeSets: boolean + ) => void; + /** + * A function that is called when the validator left a character class. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param negate The flag which represents that the character class is negative. + */ + onCharacterClassLeave?: ( + start: number, + end: number, + negate: boolean + ) => void; + /** + * A function that is called when the validator found a character class range. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param min The minimum code point of the range. + * @param max The maximum code point of the range. + */ + onCharacterClassRange?: ( + start: number, + end: number, + min: number, + max: number + ) => void; + /** + * A function that is called when the validator found a class intersection. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onClassIntersection?: (start: number, end: number) => void; + /** + * A function that is called when the validator found a class subtraction. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onClassSubtraction?: (start: number, end: number) => void; + /** + * A function that is called when the validator entered a class string disjunction. + * @param start The 0-based index of the first character. + */ + onClassStringDisjunctionEnter?: (start: number) => void; + /** + * A function that is called when the validator left a class string disjunction. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + */ + onClassStringDisjunctionLeave?: (start: number, end: number) => void; + /** + * A function that is called when the validator entered a string alternative. + * @param start The 0-based index of the first character. + * @param index The 0-based index of alternatives in a disjunction. + */ + onStringAlternativeEnter?: (start: number, index: number) => void; + /** + * A function that is called when the validator left a string alternative. + * @param start The 0-based index of the first character. + * @param end The next 0-based index of the last character. + * @param index The 0-based index of alternatives in a disjunction. + */ + onStringAlternativeLeave?: ( + start: number, + end: number, + index: number + ) => void; + } + } + /** + * The regular expression validator. + */ + export class RegExpValidator { + /** + * Initialize this validator. + * @param options The options of validator. + */ + constructor(options?: RegExpValidator.Options); + /** + * Validate a regular expression literal. E.g. "/abc/g" + * @param source The source code to validate. + * @param start The start index in the source code. + * @param end The end index in the source code. + */ + validateLiteral(source: string, start?: number, end?: number): void; + /** + * Validate a regular expression flags. E.g. "gim" + * @param source The source code to validate. + * @param start The start index in the source code. + * @param end The end index in the source code. + */ + validateFlags(source: string, start?: number, end?: number): void; + /** + * Validate a regular expression pattern. E.g. "abc" + * @param source The source code to validate. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @param flags The flags. + */ + validatePattern( + source: string, + start?: number, + end?: number, + flags?: { + unicode?: boolean; + unicodeSets?: boolean; + } + ): void; + /** + * @deprecated Backward compatibility + * Use object `flags` instead of boolean `uFlag`. + * @param source The source code to validate. + * @param start The start index in the source code. + * @param end The end index in the source code. + * @param uFlag The flag to set unicode mode. + */ + validatePattern( + source: string, + start?: number, + end?: number, + uFlag?: boolean + ): void; + } +} + +declare module "@eslint-community/regexpp/visitor" { + import type { + Alternative, + Assertion, + Backreference, + CapturingGroup, + Character, + CharacterClass, + CharacterClassRange, + CharacterSet, + ClassIntersection, + ClassStringDisjunction, + ClassSubtraction, + ExpressionCharacterClass, + Flags, + Group, + ModifierFlags, + Modifiers, + Node, + Pattern, + Quantifier, + RegExpLiteral, + StringAlternative, + } from "@eslint-community/regexpp/ast"; + /** + * The visitor to walk on AST. + */ + export class RegExpVisitor { + /** + * Initialize this visitor. + * @param handlers Callbacks for each node. + */ + constructor(handlers: RegExpVisitor.Handlers); + /** + * Visit a given node and descendant nodes. + * @param node The root node to visit tree. + */ + visit(node: Node): void; + } + export namespace RegExpVisitor { + interface Handlers { + onAlternativeEnter?: (node: Alternative) => void; + onAlternativeLeave?: (node: Alternative) => void; + onAssertionEnter?: (node: Assertion) => void; + onAssertionLeave?: (node: Assertion) => void; + onBackreferenceEnter?: (node: Backreference) => void; + onBackreferenceLeave?: (node: Backreference) => void; + onCapturingGroupEnter?: (node: CapturingGroup) => void; + onCapturingGroupLeave?: (node: CapturingGroup) => void; + onCharacterEnter?: (node: Character) => void; + onCharacterLeave?: (node: Character) => void; + onCharacterClassEnter?: (node: CharacterClass) => void; + onCharacterClassLeave?: (node: CharacterClass) => void; + onCharacterClassRangeEnter?: (node: CharacterClassRange) => void; + onCharacterClassRangeLeave?: (node: CharacterClassRange) => void; + onCharacterSetEnter?: (node: CharacterSet) => void; + onCharacterSetLeave?: (node: CharacterSet) => void; + onClassIntersectionEnter?: (node: ClassIntersection) => void; + onClassIntersectionLeave?: (node: ClassIntersection) => void; + onClassStringDisjunctionEnter?: (node: ClassStringDisjunction) => void; + onClassStringDisjunctionLeave?: (node: ClassStringDisjunction) => void; + onClassSubtractionEnter?: (node: ClassSubtraction) => void; + onClassSubtractionLeave?: (node: ClassSubtraction) => void; + onExpressionCharacterClassEnter?: ( + node: ExpressionCharacterClass + ) => void; + onExpressionCharacterClassLeave?: ( + node: ExpressionCharacterClass + ) => void; + onFlagsEnter?: (node: Flags) => void; + onFlagsLeave?: (node: Flags) => void; + onGroupEnter?: (node: Group) => void; + onGroupLeave?: (node: Group) => void; + onModifierFlagsEnter?: (node: ModifierFlags) => void; + onModifierFlagsLeave?: (node: ModifierFlags) => void; + onModifiersEnter?: (node: Modifiers) => void; + onModifiersLeave?: (node: Modifiers) => void; + onPatternEnter?: (node: Pattern) => void; + onPatternLeave?: (node: Pattern) => void; + onQuantifierEnter?: (node: Quantifier) => void; + onQuantifierLeave?: (node: Quantifier) => void; + onRegExpLiteralEnter?: (node: RegExpLiteral) => void; + onRegExpLiteralLeave?: (node: RegExpLiteral) => void; + onStringAlternativeEnter?: (node: StringAlternative) => void; + onStringAlternativeLeave?: (node: StringAlternative) => void; + } + } +} + +declare module "@eslint-community/regexpp/regexp-syntax-error" { + import type { RegExpValidatorSourceContext } from "@eslint-community/regexpp/validator"; + export class RegExpSyntaxError extends SyntaxError { + index: number; + constructor(message: string, index: number); + } + export function newRegExpSyntaxError( + srcCtx: RegExpValidatorSourceContext, + flags: { + unicode: boolean; + unicodeSets: boolean; + }, + index: number, + message: string + ): RegExpSyntaxError; +} + +declare module "@eslint-community/regexpp/ecma-versions" { + export type EcmaVersion = + | 5 + | 2015 + | 2016 + | 2017 + | 2018 + | 2019 + | 2020 + | 2021 + | 2022 + | 2023 + | 2024 + | 2025; + export const latestEcmaVersion = 2025; +} diff --git a/node_modules/@eslint-community/regexpp/index.js b/node_modules/@eslint-community/regexpp/index.js new file mode 100644 index 000000000..d9b9026d2 --- /dev/null +++ b/node_modules/@eslint-community/regexpp/index.js @@ -0,0 +1,3042 @@ +'use strict'; + +Object.defineProperty(exports, '__esModule', { value: true }); + +var ast = /*#__PURE__*/Object.freeze({ + __proto__: null +}); + +const latestEcmaVersion = 2025; + +let largeIdStartRanges = undefined; +let largeIdContinueRanges = undefined; +function isIdStart(cp) { + if (cp < 0x41) + return false; + if (cp < 0x5b) + return true; + if (cp < 0x61) + return false; + if (cp < 0x7b) + return true; + return isLargeIdStart(cp); +} +function isIdContinue(cp) { + if (cp < 0x30) + return false; + if (cp < 0x3a) + return true; + if (cp < 0x41) + return false; + if (cp < 0x5b) + return true; + if (cp === 0x5f) + return true; + if (cp < 0x61) + return false; + if (cp < 0x7b) + return true; + return isLargeIdStart(cp) || isLargeIdContinue(cp); +} +function isLargeIdStart(cp) { + return isInRange(cp, largeIdStartRanges !== null && largeIdStartRanges !== void 0 ? largeIdStartRanges : (largeIdStartRanges = initLargeIdStartRanges())); +} +function isLargeIdContinue(cp) { + return isInRange(cp, largeIdContinueRanges !== null && largeIdContinueRanges !== void 0 ? largeIdContinueRanges : (largeIdContinueRanges = initLargeIdContinueRanges())); +} +function initLargeIdStartRanges() { + return restoreRanges("4q 0 b 0 5 0 6 m 2 u 2 cp 5 b f 4 8 0 2 0 3m 4 2 1 3 3 2 0 7 0 2 2 2 0 2 j 2 2a 2 3u 9 4l 2 11 3 0 7 14 20 q 5 3 1a 16 10 1 2 2q 2 0 g 1 8 1 b 2 3 0 h 0 2 t u 2g c 0 p w a 1 5 0 6 l 5 0 a 0 4 0 o o 8 a 6 n 2 6 h 15 1n 1h 4 0 j 0 8 9 g f 5 7 3 1 3 l 2 6 2 0 4 3 4 0 h 0 e 1 2 2 f 1 b 0 9 5 5 1 3 l 2 6 2 1 2 1 2 1 w 3 2 0 k 2 h 8 2 2 2 l 2 6 2 1 2 4 4 0 j 0 g 1 o 0 c 7 3 1 3 l 2 6 2 1 2 4 4 0 v 1 2 2 g 0 i 0 2 5 4 2 2 3 4 1 2 0 2 1 4 1 4 2 4 b n 0 1h 7 2 2 2 m 2 f 4 0 r 2 2 1 3 1 v 0 5 7 2 2 2 m 2 9 2 4 4 0 v 2 2 1 g 1 i 8 2 2 2 14 3 0 h 0 6 2 9 2 p 5 6 h 4 n 2 8 2 0 3 6 1n 1b 2 1 d 6 1n 1 2 0 2 4 2 n 2 0 2 9 2 1 a 0 3 4 2 0 m 3 x 0 1s 7 2 z s 4 38 16 l 0 h 5 5 3 4 0 4 1 8 2 5 c d 0 i 11 2 0 6 0 3 16 2 98 2 3 3 6 2 0 2 3 3 14 2 3 3 w 2 3 3 6 2 0 2 3 3 e 2 1k 2 3 3 1u 12 f h 2d 3 5 4 h7 3 g 2 p 6 22 4 a 8 h e i f h f c 2 2 g 1f 10 0 5 0 1w 2g 8 14 2 0 6 1x b u 1e t 3 4 c 17 5 p 1j m a 1g 2b 0 2m 1a i 7 1j t e 1 b 17 r z 16 2 b z 3 a 6 16 3 2 16 3 2 5 2 1 4 0 6 5b 1t 7p 3 5 3 11 3 5 3 7 2 0 2 0 2 0 2 u 3 1g 2 6 2 0 4 2 2 6 4 3 3 5 5 c 6 2 2 6 39 0 e 0 h c 2u 0 5 0 3 9 2 0 3 5 7 0 2 0 2 0 2 f 3 3 6 4 5 0 i 14 22g 6c 7 3 4 1 d 11 2 0 6 0 3 1j 8 0 h m a 6 2 6 2 6 2 6 2 6 2 6 2 6 2 6 fb 2 q 8 8 4 3 4 5 2d 5 4 2 2h 2 3 6 16 2 2l i v 1d f e9 533 1t h3g 1w 19 3 7g 4 f b 1 l 1a h u 3 27 14 8 3 2u 3 29 l g 2 2 2 3 2 m u 1f f 1d 1r 5 4 0 2 1 c r b m q s 8 1a t 0 h 4 2 9 b 4 2 14 o 2 2 7 l m 4 0 4 1d 2 0 4 1 3 4 3 0 2 0 p 2 3 a 8 2 d 5 3 5 3 5 a 6 2 6 2 16 2 d 7 36 u 8mb d m 5 1c 6it a5 3 2x 13 6 d 4 6 0 2 9 2 c 2 4 2 0 2 1 2 1 2 2z y a2 j 1r 3 1h 15 b 39 4 2 3q 11 p 7 p c 2g 4 5 3 5 3 5 3 2 10 b 2 p 2 i 2 1 2 e 3 d z 3e 1y 1g 7g s 4 1c 1c v e t 6 11 b t 3 z 5 7 2 4 17 4d j z 5 z 5 13 9 1f d a 2 e 2 6 2 1 2 a 2 e 2 6 2 1 4 1f d 8m a l b 7 p 5 2 15 2 8 1y 5 3 0 2 17 2 1 4 0 3 m b m a u 1u i 2 1 b l b p 7 p 13 1j 7 1 1t 0 g 3 2 2 2 s 17 s 4 s 10 7 2 r s 1h b l b i e h 33 20 1k 1e e 1e e z 13 r a m 6z 15 7 1 h 5 1l s b 0 9 l 17 h 1b k s m d 1g 1m 1 3 0 e 18 x o r z u 0 3 0 9 y 4 0 d 1b f 3 m 0 2 0 10 h 2 o k 1 1s 6 2 0 2 3 2 e 2 9 8 1a 13 7 3 1 3 l 2 6 2 1 2 4 4 0 j 0 d 4 v 9 2 0 3 0 2 11 2 0 q 0 2 0 19 1g j 3 l 2 v 1b l 1 2 0 55 1a 16 3 11 1b l 0 1o 16 e 0 20 q 12 6 56 17 39 1r w 7 3 0 3 7 2 1 2 n g 0 2 0 2n 7 3 12 h 0 2 0 t 0 b 13 8 0 m 0 c 19 k 0 j 20 5k w w 8 2 10 i 0 1e t 35 6 2 1 2 11 m 0 q 5 2 1 2 v f 0 o 17 79 i g 0 2 c 2 x 3h 0 28 pl 2v 32 i 5f 219 2o g tr i 5 q 32y 6 g6 5a2 t 1cz fs 8 u i 26 i t j 1b h 3 w k 6 i c1 18 5w 1r x o 3 o 19 22 6 0 1v c 1t 1 2 0 f 4 a 5p1 16 v 2q 36 6pq 3 2 6 2 1 2 82 g 0 u 2 3 0 f 3 9 az 1s5 2y 6 c 4 8 8 9 4mf 2c 2 1y 2 1 3 0 3 1 3 3 2 b 2 0 2 6 2 1s 2 3 3 7 2 6 2 r 2 3 2 4 2 0 4 6 2 9f 3 o 2 o 2 u 2 o 2 u 2 o 2 u 2 o 2 u 2 o 2 7 1f9 u 7 5 7a 1p 43 18 b 6 h 0 8y t j 17 dh r 6d t 3 0 5s u 2 2 2 1 2 6 3 4 a 1 69 6 2 3 2 1 2 e 2 5g 1o 1v 8 0 xh 3 2 q 2 1 2 0 3 0 2 9 2 3 2 0 2 0 7 0 5 0 2 0 2 0 2 2 2 1 2 0 3 0 2 0 2 0 2 0 2 0 2 1 2 0 3 3 2 6 2 3 2 3 2 0 2 9 2 g 6 2 2 4 2 g 3et wyn x 3dp 3 4gd 3 5rk g h9 1wj f1 15v 3t6 6 6jt"); +} +function initLargeIdContinueRanges() { + return restoreRanges("53 0 g9 33 o 0 70 4 7e 18 2 0 2 1 2 1 2 0 21 a 1d u 7 0 2u 6 3 5 3 1 2 3 3 9 o 0 v q 2k a g 9 y 8 a 0 p 3 2 8 2 2 2 4 18 2 1o 8 17 n 2 w 1j 2 2 h 2 6 b 1 3 9 i 2 1l 0 2 6 3 1 3 2 a 0 b 1 3 9 f 0 3 2 1l 0 2 4 5 1 3 2 4 0 l b 4 0 c 2 1l 0 2 7 2 2 2 2 l 1 3 9 b 5 2 2 1l 0 2 6 3 1 3 2 8 2 b 1 3 9 j 0 1o 4 4 2 2 3 a 0 f 9 h 4 1k 0 2 6 2 2 2 3 8 1 c 1 3 9 i 2 1l 0 2 6 2 2 2 3 8 1 c 1 3 9 4 0 d 3 1k 1 2 6 2 2 2 3 a 0 b 1 3 9 i 2 1z 0 5 5 2 0 2 7 7 9 3 1 1q 0 3 6 d 7 2 9 2g 0 3 8 c 6 2 9 1r 1 7 9 c 0 2 0 2 0 5 1 1e j 2 1 6 a 2 z a 0 2t j 2 9 d 3 5 2 2 2 3 6 4 3 e b 2 e jk 2 a 8 pt 3 t 2 u 1 v 1 1t v a 0 3 9 y 2 2 a 40 0 3b b 5 b b 9 3l a 1p 4 1m 9 2 s 3 a 7 9 n d 2 u 3 b l 4 1c g c 9 i 8 d 2 v c 3 9 19 d 1d j 9 9 7 9 3b 2 2 k 5 0 7 0 3 2 5j 1r el 1 1e 1 k 0 3g c 5 0 4 b 2db 2 3y 0 2p v ff 5 2y 1 2p 0 n51 9 1y 0 5 9 x 1 29 1 7l 0 4 0 5 0 o 4 5 0 2c 1 1f h b 9 7 h e a t 7 q c 19 3 1c d g 9 c 0 b 9 1c d d 0 9 1 3 9 y 2 1f 0 2 2 3 1 6 1 2 0 16 4 6 1 6l 7 2 1 3 9 fmt 0 ki f h f 4 1 p 2 5d 9 12 0 12 0 ig 0 6b 0 46 4 86 9 120 2 2 1 6 3 15 2 5 0 4m 1 fy 3 9 9 7 9 w 4 8u 1 26 5 1z a 1e 3 3f 2 1i e w a 3 1 b 3 1a a 8 0 1a 9 7 2 11 d 2 9 6 1 19 0 d 2 1d d 9 3 2 b 2b b 7 0 3 0 4e b 6 9 7 3 1k 1 2 6 3 1 3 2 a 0 b 1 3 6 4 4 1w 8 2 0 3 0 2 3 2 4 2 0 f 1 2b h a 9 5 0 2a j d 9 5y 6 3 8 s 1 2b g g 9 2a c 9 9 7 j 1m e 5 9 6r e 4m 9 1z 5 2 1 3 3 2 0 2 1 d 9 3c 6 3 6 4 0 t 9 15 6 2 3 9 0 a a 1b f 5j 7 3t 9 1i 7 2 7 h 9 1l l 2 d 3f 5 4 0 2 1 2 6 2 0 9 9 1d 4 2 1 2 4 9 9 1j 9 7e 3 a 1 2 0 1d 6 4 4 e a 44m 0 7 e 8uh r 1t3 9 2f 9 13 4 1o 6 q 9 ev 9 d2 0 2 1i 8 3 2a 0 c 1 f58 1 382 9 ef 19 3 m f3 4 4 5 9 7 3 6 v 3 45 2 13e 1d e9 1i 5 1d 9 0 f 0 n 4 2 e 11t 6 2 g 3 6 2 1 2 4 2t 0 4h 6 a 9 9x 0 1q d dv d 6t 1 2 9 6h 0 3 0 8 1 6 0 d7 6 32 6 6 9 3o7 9 gvt3 6n"); +} +function isInRange(cp, ranges) { + let l = 0, r = (ranges.length / 2) | 0, i = 0, min = 0, max = 0; + while (l < r) { + i = ((l + r) / 2) | 0; + min = ranges[2 * i]; + max = ranges[2 * i + 1]; + if (cp < min) { + r = i; + } + else if (cp > max) { + l = i + 1; + } + else { + return true; + } + } + return false; +} +function restoreRanges(data) { + let last = 0; + return data.split(" ").map((s) => (last += parseInt(s, 36) | 0)); +} + +class DataSet { + constructor(raw2018, raw2019, raw2020, raw2021, raw2022, raw2023, raw2024, raw2025, raw2026) { + this._raw2018 = raw2018; + this._raw2019 = raw2019; + this._raw2020 = raw2020; + this._raw2021 = raw2021; + this._raw2022 = raw2022; + this._raw2023 = raw2023; + this._raw2024 = raw2024; + this._raw2025 = raw2025; + this._raw2026 = raw2026; + } + get es2018() { + var _a; + return ((_a = this._set2018) !== null && _a !== void 0 ? _a : (this._set2018 = new Set(this._raw2018.split(" ")))); + } + get es2019() { + var _a; + return ((_a = this._set2019) !== null && _a !== void 0 ? _a : (this._set2019 = new Set(this._raw2019.split(" ")))); + } + get es2020() { + var _a; + return ((_a = this._set2020) !== null && _a !== void 0 ? _a : (this._set2020 = new Set(this._raw2020.split(" ")))); + } + get es2021() { + var _a; + return ((_a = this._set2021) !== null && _a !== void 0 ? _a : (this._set2021 = new Set(this._raw2021.split(" ")))); + } + get es2022() { + var _a; + return ((_a = this._set2022) !== null && _a !== void 0 ? _a : (this._set2022 = new Set(this._raw2022.split(" ")))); + } + get es2023() { + var _a; + return ((_a = this._set2023) !== null && _a !== void 0 ? _a : (this._set2023 = new Set(this._raw2023.split(" ")))); + } + get es2024() { + var _a; + return ((_a = this._set2024) !== null && _a !== void 0 ? _a : (this._set2024 = new Set(this._raw2024.split(" ")))); + } + get es2025() { + var _a; + return ((_a = this._set2025) !== null && _a !== void 0 ? _a : (this._set2025 = new Set(this._raw2025.split(" ")))); + } + get es2026() { + var _a; + return ((_a = this._set2026) !== null && _a !== void 0 ? _a : (this._set2026 = new Set(this._raw2026.split(" ")))); + } +} +const gcNameSet = new Set(["General_Category", "gc"]); +const scNameSet = new Set(["Script", "Script_Extensions", "sc", "scx"]); +const gcValueSets = new DataSet("C Cased_Letter Cc Cf Close_Punctuation Cn Co Combining_Mark Connector_Punctuation Control Cs Currency_Symbol Dash_Punctuation Decimal_Number Enclosing_Mark Final_Punctuation Format Initial_Punctuation L LC Letter Letter_Number Line_Separator Ll Lm Lo Lowercase_Letter Lt Lu M Mark Math_Symbol Mc Me Mn Modifier_Letter Modifier_Symbol N Nd Nl No Nonspacing_Mark Number Open_Punctuation Other Other_Letter Other_Number Other_Punctuation Other_Symbol P Paragraph_Separator Pc Pd Pe Pf Pi Po Private_Use Ps Punctuation S Sc Separator Sk Sm So Space_Separator Spacing_Mark Surrogate Symbol Titlecase_Letter Unassigned Uppercase_Letter Z Zl Zp Zs cntrl digit punct", "", "", "", "", "", "", "", ""); +const scValueSets = new DataSet("Adlam Adlm Aghb Ahom Anatolian_Hieroglyphs Arab Arabic Armenian Armi Armn Avestan Avst Bali Balinese Bamu Bamum Bass Bassa_Vah Batak Batk Beng Bengali Bhaiksuki Bhks Bopo Bopomofo Brah Brahmi Brai Braille Bugi Buginese Buhd Buhid Cakm Canadian_Aboriginal Cans Cari Carian Caucasian_Albanian Chakma Cham Cher Cherokee Common Copt Coptic Cprt Cuneiform Cypriot Cyrillic Cyrl Deseret Deva Devanagari Dsrt Dupl Duployan Egyp Egyptian_Hieroglyphs Elba Elbasan Ethi Ethiopic Geor Georgian Glag Glagolitic Gonm Goth Gothic Gran Grantha Greek Grek Gujarati Gujr Gurmukhi Guru Han Hang Hangul Hani Hano Hanunoo Hatr Hatran Hebr Hebrew Hira Hiragana Hluw Hmng Hung Imperial_Aramaic Inherited Inscriptional_Pahlavi Inscriptional_Parthian Ital Java Javanese Kaithi Kali Kana Kannada Katakana Kayah_Li Khar Kharoshthi Khmer Khmr Khoj Khojki Khudawadi Knda Kthi Lana Lao Laoo Latin Latn Lepc Lepcha Limb Limbu Lina Linb Linear_A Linear_B Lisu Lyci Lycian Lydi Lydian Mahajani Mahj Malayalam Mand Mandaic Mani Manichaean Marc Marchen Masaram_Gondi Meetei_Mayek Mend Mende_Kikakui Merc Mero Meroitic_Cursive Meroitic_Hieroglyphs Miao Mlym Modi Mong Mongolian Mro Mroo Mtei Mult Multani Myanmar Mymr Nabataean Narb Nbat New_Tai_Lue Newa Nko Nkoo Nshu Nushu Ogam Ogham Ol_Chiki Olck Old_Hungarian Old_Italic Old_North_Arabian Old_Permic Old_Persian Old_South_Arabian Old_Turkic Oriya Orkh Orya Osage Osge Osma Osmanya Pahawh_Hmong Palm Palmyrene Pau_Cin_Hau Pauc Perm Phag Phags_Pa Phli Phlp Phnx Phoenician Plrd Prti Psalter_Pahlavi Qaac Qaai Rejang Rjng Runic Runr Samaritan Samr Sarb Saur Saurashtra Sgnw Sharada Shavian Shaw Shrd Sidd Siddham SignWriting Sind Sinh Sinhala Sora Sora_Sompeng Soyo Soyombo Sund Sundanese Sylo Syloti_Nagri Syrc Syriac Tagalog Tagb Tagbanwa Tai_Le Tai_Tham Tai_Viet Takr Takri Tale Talu Tamil Taml Tang Tangut Tavt Telu Telugu Tfng Tglg Thaa Thaana Thai Tibetan Tibt Tifinagh Tirh Tirhuta Ugar Ugaritic Vai Vaii Wara Warang_Citi Xpeo Xsux Yi Yiii Zanabazar_Square Zanb Zinh Zyyy", "Dogr Dogra Gong Gunjala_Gondi Hanifi_Rohingya Maka Makasar Medefaidrin Medf Old_Sogdian Rohg Sogd Sogdian Sogo", "Elym Elymaic Hmnp Nand Nandinagari Nyiakeng_Puachue_Hmong Wancho Wcho", "Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi", "Cpmn Cypro_Minoan Old_Uyghur Ougr Tangsa Tnsa Toto Vith Vithkuqi", "Berf Beria_Erfe Gara Garay Gukh Gurung_Khema Hrkt Katakana_Or_Hiragana Kawi Kirat_Rai Krai Nag_Mundari Nagm Ol_Onal Onao Sidetic Sidt Sunu Sunuwar Tai_Yo Tayo Todhri Todr Tolong_Siki Tols Tulu_Tigalari Tutg Unknown Zzzz", "", "", ""); +const binPropertySets = new DataSet("AHex ASCII ASCII_Hex_Digit Alpha Alphabetic Any Assigned Bidi_C Bidi_Control Bidi_M Bidi_Mirrored CI CWCF CWCM CWKCF CWL CWT CWU Case_Ignorable Cased Changes_When_Casefolded Changes_When_Casemapped Changes_When_Lowercased Changes_When_NFKC_Casefolded Changes_When_Titlecased Changes_When_Uppercased DI Dash Default_Ignorable_Code_Point Dep Deprecated Dia Diacritic Emoji Emoji_Component Emoji_Modifier Emoji_Modifier_Base Emoji_Presentation Ext Extender Gr_Base Gr_Ext Grapheme_Base Grapheme_Extend Hex Hex_Digit IDC IDS IDSB IDST IDS_Binary_Operator IDS_Trinary_Operator ID_Continue ID_Start Ideo Ideographic Join_C Join_Control LOE Logical_Order_Exception Lower Lowercase Math NChar Noncharacter_Code_Point Pat_Syn Pat_WS Pattern_Syntax Pattern_White_Space QMark Quotation_Mark RI Radical Regional_Indicator SD STerm Sentence_Terminal Soft_Dotted Term Terminal_Punctuation UIdeo Unified_Ideograph Upper Uppercase VS Variation_Selector White_Space XIDC XIDS XID_Continue XID_Start space", "Extended_Pictographic", "", "EBase EComp EMod EPres ExtPict", "", "", "", "", ""); +const binPropertyOfStringsSets = new DataSet("", "", "", "", "", "", "Basic_Emoji Emoji_Keycap_Sequence RGI_Emoji RGI_Emoji_Flag_Sequence RGI_Emoji_Modifier_Sequence RGI_Emoji_Tag_Sequence RGI_Emoji_ZWJ_Sequence", "", ""); +function isValidUnicodeProperty(version, name, value) { + if (gcNameSet.has(name)) { + return version >= 2018 && gcValueSets.es2018.has(value); + } + if (scNameSet.has(name)) { + return ((version >= 2018 && scValueSets.es2018.has(value)) || + (version >= 2019 && scValueSets.es2019.has(value)) || + (version >= 2020 && scValueSets.es2020.has(value)) || + (version >= 2021 && scValueSets.es2021.has(value)) || + (version >= 2022 && scValueSets.es2022.has(value)) || + (version >= 2023 && scValueSets.es2023.has(value))); + } + return false; +} +function isValidLoneUnicodeProperty(version, value) { + return ((version >= 2018 && binPropertySets.es2018.has(value)) || + (version >= 2019 && binPropertySets.es2019.has(value)) || + (version >= 2021 && binPropertySets.es2021.has(value))); +} +function isValidLoneUnicodePropertyOfString(version, value) { + return version >= 2024 && binPropertyOfStringsSets.es2024.has(value); +} + +const BACKSPACE = 0x08; +const CHARACTER_TABULATION = 0x09; +const LINE_FEED = 0x0a; +const LINE_TABULATION = 0x0b; +const FORM_FEED = 0x0c; +const CARRIAGE_RETURN = 0x0d; +const EXCLAMATION_MARK = 0x21; +const NUMBER_SIGN = 0x23; +const DOLLAR_SIGN = 0x24; +const PERCENT_SIGN = 0x25; +const AMPERSAND = 0x26; +const LEFT_PARENTHESIS = 0x28; +const RIGHT_PARENTHESIS = 0x29; +const ASTERISK = 0x2a; +const PLUS_SIGN = 0x2b; +const COMMA = 0x2c; +const HYPHEN_MINUS = 0x2d; +const FULL_STOP = 0x2e; +const SOLIDUS = 0x2f; +const DIGIT_ZERO = 0x30; +const DIGIT_ONE = 0x31; +const DIGIT_SEVEN = 0x37; +const DIGIT_NINE = 0x39; +const COLON = 0x3a; +const SEMICOLON = 0x3b; +const LESS_THAN_SIGN = 0x3c; +const EQUALS_SIGN = 0x3d; +const GREATER_THAN_SIGN = 0x3e; +const QUESTION_MARK = 0x3f; +const COMMERCIAL_AT = 0x40; +const LATIN_CAPITAL_LETTER_A = 0x41; +const LATIN_CAPITAL_LETTER_B = 0x42; +const LATIN_CAPITAL_LETTER_D = 0x44; +const LATIN_CAPITAL_LETTER_F = 0x46; +const LATIN_CAPITAL_LETTER_P = 0x50; +const LATIN_CAPITAL_LETTER_S = 0x53; +const LATIN_CAPITAL_LETTER_W = 0x57; +const LATIN_CAPITAL_LETTER_Z = 0x5a; +const LOW_LINE = 0x5f; +const LATIN_SMALL_LETTER_A = 0x61; +const LATIN_SMALL_LETTER_B = 0x62; +const LATIN_SMALL_LETTER_C = 0x63; +const LATIN_SMALL_LETTER_D = 0x64; +const LATIN_SMALL_LETTER_F = 0x66; +const LATIN_SMALL_LETTER_G = 0x67; +const LATIN_SMALL_LETTER_I = 0x69; +const LATIN_SMALL_LETTER_K = 0x6b; +const LATIN_SMALL_LETTER_M = 0x6d; +const LATIN_SMALL_LETTER_N = 0x6e; +const LATIN_SMALL_LETTER_P = 0x70; +const LATIN_SMALL_LETTER_Q = 0x71; +const LATIN_SMALL_LETTER_R = 0x72; +const LATIN_SMALL_LETTER_S = 0x73; +const LATIN_SMALL_LETTER_T = 0x74; +const LATIN_SMALL_LETTER_U = 0x75; +const LATIN_SMALL_LETTER_V = 0x76; +const LATIN_SMALL_LETTER_W = 0x77; +const LATIN_SMALL_LETTER_X = 0x78; +const LATIN_SMALL_LETTER_Y = 0x79; +const LATIN_SMALL_LETTER_Z = 0x7a; +const LEFT_SQUARE_BRACKET = 0x5b; +const REVERSE_SOLIDUS = 0x5c; +const RIGHT_SQUARE_BRACKET = 0x5d; +const CIRCUMFLEX_ACCENT = 0x5e; +const GRAVE_ACCENT = 0x60; +const LEFT_CURLY_BRACKET = 0x7b; +const VERTICAL_LINE = 0x7c; +const RIGHT_CURLY_BRACKET = 0x7d; +const TILDE = 0x7e; +const ZERO_WIDTH_NON_JOINER = 0x200c; +const ZERO_WIDTH_JOINER = 0x200d; +const LINE_SEPARATOR = 0x2028; +const PARAGRAPH_SEPARATOR = 0x2029; +const MIN_CODE_POINT = 0x00; +const MAX_CODE_POINT = 0x10ffff; +function isLatinLetter(code) { + return ((code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_Z) || + (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_Z)); +} +function isDecimalDigit(code) { + return code >= DIGIT_ZERO && code <= DIGIT_NINE; +} +function isOctalDigit(code) { + return code >= DIGIT_ZERO && code <= DIGIT_SEVEN; +} +function isHexDigit(code) { + return ((code >= DIGIT_ZERO && code <= DIGIT_NINE) || + (code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_F) || + (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_F)); +} +function isLineTerminator(code) { + return (code === LINE_FEED || + code === CARRIAGE_RETURN || + code === LINE_SEPARATOR || + code === PARAGRAPH_SEPARATOR); +} +function isValidUnicode(code) { + return code >= MIN_CODE_POINT && code <= MAX_CODE_POINT; +} +function digitToInt(code) { + if (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_F) { + return code - LATIN_SMALL_LETTER_A + 10; + } + if (code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_F) { + return code - LATIN_CAPITAL_LETTER_A + 10; + } + return code - DIGIT_ZERO; +} +function isLeadSurrogate(code) { + return code >= 0xd800 && code <= 0xdbff; +} +function isTrailSurrogate(code) { + return code >= 0xdc00 && code <= 0xdfff; +} +function combineSurrogatePair(lead, trail) { + return (lead - 0xd800) * 0x400 + (trail - 0xdc00) + 0x10000; +} + +class GroupSpecifiersAsES2018 { + constructor() { + this.groupName = new Set(); + } + clear() { + this.groupName.clear(); + } + isEmpty() { + return !this.groupName.size; + } + hasInPattern(name) { + return this.groupName.has(name); + } + hasInScope(name) { + return this.hasInPattern(name); + } + addToScope(name) { + this.groupName.add(name); + } + enterDisjunction() { + } + enterAlternative() { + } + leaveDisjunction() { + } +} +class BranchID { + constructor(parent, base) { + this.parent = parent; + this.base = base !== null && base !== void 0 ? base : this; + } + separatedFrom(other) { + var _a, _b; + if (this.base === other.base && this !== other) { + return true; + } + if (other.parent && this.separatedFrom(other.parent)) { + return true; + } + return (_b = (_a = this.parent) === null || _a === void 0 ? void 0 : _a.separatedFrom(other)) !== null && _b !== void 0 ? _b : false; + } + child() { + return new BranchID(this, null); + } + sibling() { + return new BranchID(this.parent, this.base); + } +} +class GroupSpecifiersAsES2025 { + constructor() { + this.branchID = new BranchID(null, null); + this.groupNames = new Map(); + } + clear() { + this.branchID = new BranchID(null, null); + this.groupNames.clear(); + } + isEmpty() { + return !this.groupNames.size; + } + enterDisjunction() { + this.branchID = this.branchID.child(); + } + enterAlternative(index) { + if (index === 0) { + return; + } + this.branchID = this.branchID.sibling(); + } + leaveDisjunction() { + this.branchID = this.branchID.parent; + } + hasInPattern(name) { + return this.groupNames.has(name); + } + hasInScope(name) { + const branches = this.groupNames.get(name); + if (!branches) { + return false; + } + for (const branch of branches) { + if (!branch.separatedFrom(this.branchID)) { + return true; + } + } + return false; + } + addToScope(name) { + const branches = this.groupNames.get(name); + if (branches) { + branches.push(this.branchID); + return; + } + this.groupNames.set(name, [this.branchID]); + } +} + +const legacyImpl = { + at(s, end, i) { + return i < end ? s.charCodeAt(i) : -1; + }, + width(c) { + return 1; + }, +}; +const unicodeImpl = { + at(s, end, i) { + return i < end ? s.codePointAt(i) : -1; + }, + width(c) { + return c > 0xffff ? 2 : 1; + }, +}; +class Reader { + constructor() { + this._impl = legacyImpl; + this._s = ""; + this._i = 0; + this._end = 0; + this._cp1 = -1; + this._w1 = 1; + this._cp2 = -1; + this._w2 = 1; + this._cp3 = -1; + this._w3 = 1; + this._cp4 = -1; + } + get source() { + return this._s; + } + get index() { + return this._i; + } + get currentCodePoint() { + return this._cp1; + } + get nextCodePoint() { + return this._cp2; + } + get nextCodePoint2() { + return this._cp3; + } + get nextCodePoint3() { + return this._cp4; + } + reset(source, start, end, uFlag) { + this._impl = uFlag ? unicodeImpl : legacyImpl; + this._s = source; + this._end = end; + this.rewind(start); + } + rewind(index) { + const impl = this._impl; + this._i = index; + this._cp1 = impl.at(this._s, this._end, index); + this._w1 = impl.width(this._cp1); + this._cp2 = impl.at(this._s, this._end, index + this._w1); + this._w2 = impl.width(this._cp2); + this._cp3 = impl.at(this._s, this._end, index + this._w1 + this._w2); + this._w3 = impl.width(this._cp3); + this._cp4 = impl.at(this._s, this._end, index + this._w1 + this._w2 + this._w3); + } + advance() { + if (this._cp1 !== -1) { + const impl = this._impl; + this._i += this._w1; + this._cp1 = this._cp2; + this._w1 = this._w2; + this._cp2 = this._cp3; + this._w2 = impl.width(this._cp2); + this._cp3 = this._cp4; + this._w3 = impl.width(this._cp3); + this._cp4 = impl.at(this._s, this._end, this._i + this._w1 + this._w2 + this._w3); + } + } + eat(cp) { + if (this._cp1 === cp) { + this.advance(); + return true; + } + return false; + } + eat2(cp1, cp2) { + if (this._cp1 === cp1 && this._cp2 === cp2) { + this.advance(); + this.advance(); + return true; + } + return false; + } + eat3(cp1, cp2, cp3) { + if (this._cp1 === cp1 && this._cp2 === cp2 && this._cp3 === cp3) { + this.advance(); + this.advance(); + this.advance(); + return true; + } + return false; + } +} + +class RegExpSyntaxError extends SyntaxError { + constructor(message, index) { + super(message); + this.index = index; + } +} +function newRegExpSyntaxError(srcCtx, flags, index, message) { + let source = ""; + if (srcCtx.kind === "literal") { + const literal = srcCtx.source.slice(srcCtx.start, srcCtx.end); + if (literal) { + source = `: ${literal}`; + } + } + else if (srcCtx.kind === "pattern") { + const pattern = srcCtx.source.slice(srcCtx.start, srcCtx.end); + const flagsText = `${flags.unicode ? "u" : ""}${flags.unicodeSets ? "v" : ""}`; + source = `: /${pattern}/${flagsText}`; + } + return new RegExpSyntaxError(`Invalid regular expression${source}: ${message}`, index); +} + +const SYNTAX_CHARACTER = new Set([ + CIRCUMFLEX_ACCENT, + DOLLAR_SIGN, + REVERSE_SOLIDUS, + FULL_STOP, + ASTERISK, + PLUS_SIGN, + QUESTION_MARK, + LEFT_PARENTHESIS, + RIGHT_PARENTHESIS, + LEFT_SQUARE_BRACKET, + RIGHT_SQUARE_BRACKET, + LEFT_CURLY_BRACKET, + RIGHT_CURLY_BRACKET, + VERTICAL_LINE, +]); +const CLASS_SET_RESERVED_DOUBLE_PUNCTUATOR_CHARACTER = new Set([ + AMPERSAND, + EXCLAMATION_MARK, + NUMBER_SIGN, + DOLLAR_SIGN, + PERCENT_SIGN, + ASTERISK, + PLUS_SIGN, + COMMA, + FULL_STOP, + COLON, + SEMICOLON, + LESS_THAN_SIGN, + EQUALS_SIGN, + GREATER_THAN_SIGN, + QUESTION_MARK, + COMMERCIAL_AT, + CIRCUMFLEX_ACCENT, + GRAVE_ACCENT, + TILDE, +]); +const CLASS_SET_SYNTAX_CHARACTER = new Set([ + LEFT_PARENTHESIS, + RIGHT_PARENTHESIS, + LEFT_SQUARE_BRACKET, + RIGHT_SQUARE_BRACKET, + LEFT_CURLY_BRACKET, + RIGHT_CURLY_BRACKET, + SOLIDUS, + HYPHEN_MINUS, + REVERSE_SOLIDUS, + VERTICAL_LINE, +]); +const CLASS_SET_RESERVED_PUNCTUATOR = new Set([ + AMPERSAND, + HYPHEN_MINUS, + EXCLAMATION_MARK, + NUMBER_SIGN, + PERCENT_SIGN, + COMMA, + COLON, + SEMICOLON, + LESS_THAN_SIGN, + EQUALS_SIGN, + GREATER_THAN_SIGN, + COMMERCIAL_AT, + GRAVE_ACCENT, + TILDE, +]); +const FLAG_PROP_TO_CODEPOINT = { + global: LATIN_SMALL_LETTER_G, + ignoreCase: LATIN_SMALL_LETTER_I, + multiline: LATIN_SMALL_LETTER_M, + unicode: LATIN_SMALL_LETTER_U, + sticky: LATIN_SMALL_LETTER_Y, + dotAll: LATIN_SMALL_LETTER_S, + hasIndices: LATIN_SMALL_LETTER_D, + unicodeSets: LATIN_SMALL_LETTER_V, +}; +const FLAG_CODEPOINT_TO_PROP = Object.fromEntries(Object.entries(FLAG_PROP_TO_CODEPOINT).map(([k, v]) => [v, k])); +function isSyntaxCharacter(cp) { + return SYNTAX_CHARACTER.has(cp); +} +function isClassSetReservedDoublePunctuatorCharacter(cp) { + return CLASS_SET_RESERVED_DOUBLE_PUNCTUATOR_CHARACTER.has(cp); +} +function isClassSetSyntaxCharacter(cp) { + return CLASS_SET_SYNTAX_CHARACTER.has(cp); +} +function isClassSetReservedPunctuator(cp) { + return CLASS_SET_RESERVED_PUNCTUATOR.has(cp); +} +function isIdentifierStartChar(cp) { + return isIdStart(cp) || cp === DOLLAR_SIGN || cp === LOW_LINE; +} +function isIdentifierPartChar(cp) { + return (isIdContinue(cp) || + cp === DOLLAR_SIGN || + cp === ZERO_WIDTH_NON_JOINER || + cp === ZERO_WIDTH_JOINER); +} +function isUnicodePropertyNameCharacter(cp) { + return isLatinLetter(cp) || cp === LOW_LINE; +} +function isUnicodePropertyValueCharacter(cp) { + return isUnicodePropertyNameCharacter(cp) || isDecimalDigit(cp); +} +function isRegularExpressionModifier(ch) { + return (ch === LATIN_SMALL_LETTER_I || + ch === LATIN_SMALL_LETTER_M || + ch === LATIN_SMALL_LETTER_S); +} +class RegExpValidator { + constructor(options) { + this._reader = new Reader(); + this._unicodeMode = false; + this._unicodeSetsMode = false; + this._nFlag = false; + this._lastIntValue = 0; + this._lastRange = { + min: 0, + max: Number.POSITIVE_INFINITY, + }; + this._lastStrValue = ""; + this._lastAssertionIsQuantifiable = false; + this._numCapturingParens = 0; + this._backreferenceNames = new Set(); + this._srcCtx = null; + this._options = options !== null && options !== void 0 ? options : {}; + this._groupSpecifiers = + this.ecmaVersion >= 2025 + ? new GroupSpecifiersAsES2025() + : new GroupSpecifiersAsES2018(); + } + validateLiteral(source, start = 0, end = source.length) { + this._srcCtx = { source, start, end, kind: "literal" }; + this._unicodeSetsMode = this._unicodeMode = this._nFlag = false; + this.reset(source, start, end); + this.onLiteralEnter(start); + if (this.eat(SOLIDUS) && this.eatRegExpBody() && this.eat(SOLIDUS)) { + const flagStart = this.index; + const unicode = source.includes("u", flagStart); + const unicodeSets = source.includes("v", flagStart); + this.validateFlagsInternal(source, flagStart, end); + this.validatePatternInternal(source, start + 1, flagStart - 1, { + unicode, + unicodeSets, + }); + } + else if (start >= end) { + this.raise("Empty"); + } + else { + const c = String.fromCodePoint(this.currentCodePoint); + this.raise(`Unexpected character '${c}'`); + } + this.onLiteralLeave(start, end); + } + validateFlags(source, start = 0, end = source.length) { + this._srcCtx = { source, start, end, kind: "flags" }; + this.validateFlagsInternal(source, start, end); + } + validatePattern(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + this._srcCtx = { source, start, end, kind: "pattern" }; + this.validatePatternInternal(source, start, end, uFlagOrFlags); + } + validatePatternInternal(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + const mode = this._parseFlagsOptionToMode(uFlagOrFlags, end); + this._unicodeMode = mode.unicodeMode; + this._nFlag = mode.nFlag; + this._unicodeSetsMode = mode.unicodeSetsMode; + this.reset(source, start, end); + this.consumePattern(); + if (!this._nFlag && + this.ecmaVersion >= 2018 && + !this._groupSpecifiers.isEmpty()) { + this._nFlag = true; + this.rewind(start); + this.consumePattern(); + } + } + validateFlagsInternal(source, start, end) { + const flags = this.parseFlags(source, start, end); + this.onRegExpFlags(start, end, flags); + } + _parseFlagsOptionToMode(uFlagOrFlags, sourceEnd) { + let unicode = false; + let unicodeSets = false; + if (uFlagOrFlags && this.ecmaVersion >= 2015) { + if (typeof uFlagOrFlags === "object") { + unicode = Boolean(uFlagOrFlags.unicode); + if (this.ecmaVersion >= 2024) { + unicodeSets = Boolean(uFlagOrFlags.unicodeSets); + } + } + else { + unicode = uFlagOrFlags; + } + } + if (unicode && unicodeSets) { + this.raise("Invalid regular expression flags", { + index: sourceEnd + 1, + unicode, + unicodeSets, + }); + } + const unicodeMode = unicode || unicodeSets; + const nFlag = (unicode && this.ecmaVersion >= 2018) || + unicodeSets || + Boolean(this._options.strict && this.ecmaVersion >= 2023); + const unicodeSetsMode = unicodeSets; + return { unicodeMode, nFlag, unicodeSetsMode }; + } + get strict() { + return Boolean(this._options.strict) || this._unicodeMode; + } + get ecmaVersion() { + var _a; + return (_a = this._options.ecmaVersion) !== null && _a !== void 0 ? _a : latestEcmaVersion; + } + onLiteralEnter(start) { + if (this._options.onLiteralEnter) { + this._options.onLiteralEnter(start); + } + } + onLiteralLeave(start, end) { + if (this._options.onLiteralLeave) { + this._options.onLiteralLeave(start, end); + } + } + onRegExpFlags(start, end, flags) { + if (this._options.onRegExpFlags) { + this._options.onRegExpFlags(start, end, flags); + } + if (this._options.onFlags) { + this._options.onFlags(start, end, flags.global, flags.ignoreCase, flags.multiline, flags.unicode, flags.sticky, flags.dotAll, flags.hasIndices); + } + } + onPatternEnter(start) { + if (this._options.onPatternEnter) { + this._options.onPatternEnter(start); + } + } + onPatternLeave(start, end) { + if (this._options.onPatternLeave) { + this._options.onPatternLeave(start, end); + } + } + onDisjunctionEnter(start) { + if (this._options.onDisjunctionEnter) { + this._options.onDisjunctionEnter(start); + } + } + onDisjunctionLeave(start, end) { + if (this._options.onDisjunctionLeave) { + this._options.onDisjunctionLeave(start, end); + } + } + onAlternativeEnter(start, index) { + if (this._options.onAlternativeEnter) { + this._options.onAlternativeEnter(start, index); + } + } + onAlternativeLeave(start, end, index) { + if (this._options.onAlternativeLeave) { + this._options.onAlternativeLeave(start, end, index); + } + } + onGroupEnter(start) { + if (this._options.onGroupEnter) { + this._options.onGroupEnter(start); + } + } + onGroupLeave(start, end) { + if (this._options.onGroupLeave) { + this._options.onGroupLeave(start, end); + } + } + onModifiersEnter(start) { + if (this._options.onModifiersEnter) { + this._options.onModifiersEnter(start); + } + } + onModifiersLeave(start, end) { + if (this._options.onModifiersLeave) { + this._options.onModifiersLeave(start, end); + } + } + onAddModifiers(start, end, flags) { + if (this._options.onAddModifiers) { + this._options.onAddModifiers(start, end, flags); + } + } + onRemoveModifiers(start, end, flags) { + if (this._options.onRemoveModifiers) { + this._options.onRemoveModifiers(start, end, flags); + } + } + onCapturingGroupEnter(start, name) { + if (this._options.onCapturingGroupEnter) { + this._options.onCapturingGroupEnter(start, name); + } + } + onCapturingGroupLeave(start, end, name) { + if (this._options.onCapturingGroupLeave) { + this._options.onCapturingGroupLeave(start, end, name); + } + } + onQuantifier(start, end, min, max, greedy) { + if (this._options.onQuantifier) { + this._options.onQuantifier(start, end, min, max, greedy); + } + } + onLookaroundAssertionEnter(start, kind, negate) { + if (this._options.onLookaroundAssertionEnter) { + this._options.onLookaroundAssertionEnter(start, kind, negate); + } + } + onLookaroundAssertionLeave(start, end, kind, negate) { + if (this._options.onLookaroundAssertionLeave) { + this._options.onLookaroundAssertionLeave(start, end, kind, negate); + } + } + onEdgeAssertion(start, end, kind) { + if (this._options.onEdgeAssertion) { + this._options.onEdgeAssertion(start, end, kind); + } + } + onWordBoundaryAssertion(start, end, kind, negate) { + if (this._options.onWordBoundaryAssertion) { + this._options.onWordBoundaryAssertion(start, end, kind, negate); + } + } + onAnyCharacterSet(start, end, kind) { + if (this._options.onAnyCharacterSet) { + this._options.onAnyCharacterSet(start, end, kind); + } + } + onEscapeCharacterSet(start, end, kind, negate) { + if (this._options.onEscapeCharacterSet) { + this._options.onEscapeCharacterSet(start, end, kind, negate); + } + } + onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings) { + if (this._options.onUnicodePropertyCharacterSet) { + this._options.onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings); + } + } + onCharacter(start, end, value) { + if (this._options.onCharacter) { + this._options.onCharacter(start, end, value); + } + } + onBackreference(start, end, ref) { + if (this._options.onBackreference) { + this._options.onBackreference(start, end, ref); + } + } + onCharacterClassEnter(start, negate, unicodeSets) { + if (this._options.onCharacterClassEnter) { + this._options.onCharacterClassEnter(start, negate, unicodeSets); + } + } + onCharacterClassLeave(start, end, negate) { + if (this._options.onCharacterClassLeave) { + this._options.onCharacterClassLeave(start, end, negate); + } + } + onCharacterClassRange(start, end, min, max) { + if (this._options.onCharacterClassRange) { + this._options.onCharacterClassRange(start, end, min, max); + } + } + onClassIntersection(start, end) { + if (this._options.onClassIntersection) { + this._options.onClassIntersection(start, end); + } + } + onClassSubtraction(start, end) { + if (this._options.onClassSubtraction) { + this._options.onClassSubtraction(start, end); + } + } + onClassStringDisjunctionEnter(start) { + if (this._options.onClassStringDisjunctionEnter) { + this._options.onClassStringDisjunctionEnter(start); + } + } + onClassStringDisjunctionLeave(start, end) { + if (this._options.onClassStringDisjunctionLeave) { + this._options.onClassStringDisjunctionLeave(start, end); + } + } + onStringAlternativeEnter(start, index) { + if (this._options.onStringAlternativeEnter) { + this._options.onStringAlternativeEnter(start, index); + } + } + onStringAlternativeLeave(start, end, index) { + if (this._options.onStringAlternativeLeave) { + this._options.onStringAlternativeLeave(start, end, index); + } + } + get index() { + return this._reader.index; + } + get currentCodePoint() { + return this._reader.currentCodePoint; + } + get nextCodePoint() { + return this._reader.nextCodePoint; + } + get nextCodePoint2() { + return this._reader.nextCodePoint2; + } + get nextCodePoint3() { + return this._reader.nextCodePoint3; + } + reset(source, start, end) { + this._reader.reset(source, start, end, this._unicodeMode); + } + rewind(index) { + this._reader.rewind(index); + } + advance() { + this._reader.advance(); + } + eat(cp) { + return this._reader.eat(cp); + } + eat2(cp1, cp2) { + return this._reader.eat2(cp1, cp2); + } + eat3(cp1, cp2, cp3) { + return this._reader.eat3(cp1, cp2, cp3); + } + raise(message, context) { + var _a, _b, _c; + throw newRegExpSyntaxError(this._srcCtx, { + unicode: (_a = context === null || context === void 0 ? void 0 : context.unicode) !== null && _a !== void 0 ? _a : (this._unicodeMode && !this._unicodeSetsMode), + unicodeSets: (_b = context === null || context === void 0 ? void 0 : context.unicodeSets) !== null && _b !== void 0 ? _b : this._unicodeSetsMode, + }, (_c = context === null || context === void 0 ? void 0 : context.index) !== null && _c !== void 0 ? _c : this.index, message); + } + eatRegExpBody() { + const start = this.index; + let inClass = false; + let escaped = false; + for (;;) { + const cp = this.currentCodePoint; + if (cp === -1 || isLineTerminator(cp)) { + const kind = inClass ? "character class" : "regular expression"; + this.raise(`Unterminated ${kind}`); + } + if (escaped) { + escaped = false; + } + else if (cp === REVERSE_SOLIDUS) { + escaped = true; + } + else if (cp === LEFT_SQUARE_BRACKET) { + inClass = true; + } + else if (cp === RIGHT_SQUARE_BRACKET) { + inClass = false; + } + else if ((cp === SOLIDUS && !inClass) || + (cp === ASTERISK && this.index === start)) { + break; + } + this.advance(); + } + return this.index !== start; + } + consumePattern() { + const start = this.index; + this._numCapturingParens = this.countCapturingParens(); + this._groupSpecifiers.clear(); + this._backreferenceNames.clear(); + this.onPatternEnter(start); + this.consumeDisjunction(); + const cp = this.currentCodePoint; + if (this.currentCodePoint !== -1) { + if (cp === RIGHT_PARENTHESIS) { + this.raise("Unmatched ')'"); + } + if (cp === REVERSE_SOLIDUS) { + this.raise("\\ at end of pattern"); + } + if (cp === RIGHT_SQUARE_BRACKET || cp === RIGHT_CURLY_BRACKET) { + this.raise("Lone quantifier brackets"); + } + const c = String.fromCodePoint(cp); + this.raise(`Unexpected character '${c}'`); + } + for (const name of this._backreferenceNames) { + if (!this._groupSpecifiers.hasInPattern(name)) { + this.raise("Invalid named capture referenced"); + } + } + this.onPatternLeave(start, this.index); + } + countCapturingParens() { + const start = this.index; + let inClass = false; + let escaped = false; + let count = 0; + let cp = 0; + while ((cp = this.currentCodePoint) !== -1) { + if (escaped) { + escaped = false; + } + else if (cp === REVERSE_SOLIDUS) { + escaped = true; + } + else if (cp === LEFT_SQUARE_BRACKET) { + inClass = true; + } + else if (cp === RIGHT_SQUARE_BRACKET) { + inClass = false; + } + else if (cp === LEFT_PARENTHESIS && + !inClass && + (this.nextCodePoint !== QUESTION_MARK || + (this.nextCodePoint2 === LESS_THAN_SIGN && + this.nextCodePoint3 !== EQUALS_SIGN && + this.nextCodePoint3 !== EXCLAMATION_MARK))) { + count += 1; + } + this.advance(); + } + this.rewind(start); + return count; + } + consumeDisjunction() { + const start = this.index; + let i = 0; + this._groupSpecifiers.enterDisjunction(); + this.onDisjunctionEnter(start); + do { + this.consumeAlternative(i++); + } while (this.eat(VERTICAL_LINE)); + if (this.consumeQuantifier(true)) { + this.raise("Nothing to repeat"); + } + if (this.eat(LEFT_CURLY_BRACKET)) { + this.raise("Lone quantifier brackets"); + } + this.onDisjunctionLeave(start, this.index); + this._groupSpecifiers.leaveDisjunction(); + } + consumeAlternative(i) { + const start = this.index; + this._groupSpecifiers.enterAlternative(i); + this.onAlternativeEnter(start, i); + while (this.currentCodePoint !== -1 && this.consumeTerm()) { + } + this.onAlternativeLeave(start, this.index, i); + } + consumeTerm() { + if (this._unicodeMode || this.strict) { + return (this.consumeAssertion() || + (this.consumeAtom() && this.consumeOptionalQuantifier())); + } + return ((this.consumeAssertion() && + (!this._lastAssertionIsQuantifiable || + this.consumeOptionalQuantifier())) || + (this.consumeExtendedAtom() && this.consumeOptionalQuantifier())); + } + consumeOptionalQuantifier() { + this.consumeQuantifier(); + return true; + } + consumeAssertion() { + const start = this.index; + this._lastAssertionIsQuantifiable = false; + if (this.eat(CIRCUMFLEX_ACCENT)) { + this.onEdgeAssertion(start, this.index, "start"); + return true; + } + if (this.eat(DOLLAR_SIGN)) { + this.onEdgeAssertion(start, this.index, "end"); + return true; + } + if (this.eat2(REVERSE_SOLIDUS, LATIN_CAPITAL_LETTER_B)) { + this.onWordBoundaryAssertion(start, this.index, "word", true); + return true; + } + if (this.eat2(REVERSE_SOLIDUS, LATIN_SMALL_LETTER_B)) { + this.onWordBoundaryAssertion(start, this.index, "word", false); + return true; + } + if (this.eat2(LEFT_PARENTHESIS, QUESTION_MARK)) { + const lookbehind = this.ecmaVersion >= 2018 && this.eat(LESS_THAN_SIGN); + let negate = false; + if (this.eat(EQUALS_SIGN) || + (negate = this.eat(EXCLAMATION_MARK))) { + const kind = lookbehind ? "lookbehind" : "lookahead"; + this.onLookaroundAssertionEnter(start, kind, negate); + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this._lastAssertionIsQuantifiable = !lookbehind && !this.strict; + this.onLookaroundAssertionLeave(start, this.index, kind, negate); + return true; + } + this.rewind(start); + } + return false; + } + consumeQuantifier(noConsume = false) { + const start = this.index; + let min = 0; + let max = 0; + let greedy = false; + if (this.eat(ASTERISK)) { + min = 0; + max = Number.POSITIVE_INFINITY; + } + else if (this.eat(PLUS_SIGN)) { + min = 1; + max = Number.POSITIVE_INFINITY; + } + else if (this.eat(QUESTION_MARK)) { + min = 0; + max = 1; + } + else if (this.eatBracedQuantifier(noConsume)) { + ({ min, max } = this._lastRange); + } + else { + return false; + } + greedy = !this.eat(QUESTION_MARK); + if (!noConsume) { + this.onQuantifier(start, this.index, min, max, greedy); + } + return true; + } + eatBracedQuantifier(noError) { + const start = this.index; + if (this.eat(LEFT_CURLY_BRACKET)) { + if (this.eatDecimalDigits()) { + const min = this._lastIntValue; + let max = min; + if (this.eat(COMMA)) { + max = this.eatDecimalDigits() + ? this._lastIntValue + : Number.POSITIVE_INFINITY; + } + if (this.eat(RIGHT_CURLY_BRACKET)) { + if (!noError && max < min) { + this.raise("numbers out of order in {} quantifier"); + } + this._lastRange = { min, max }; + return true; + } + } + if (!noError && (this._unicodeMode || this.strict)) { + this.raise("Incomplete quantifier"); + } + this.rewind(start); + } + return false; + } + consumeAtom() { + return (this.consumePatternCharacter() || + this.consumeDot() || + this.consumeReverseSolidusAtomEscape() || + Boolean(this.consumeCharacterClass()) || + this.consumeCapturingGroup() || + this.consumeUncapturingGroup()); + } + consumeDot() { + if (this.eat(FULL_STOP)) { + this.onAnyCharacterSet(this.index - 1, this.index, "any"); + return true; + } + return false; + } + consumeReverseSolidusAtomEscape() { + const start = this.index; + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeAtomEscape()) { + return true; + } + this.rewind(start); + } + return false; + } + consumeUncapturingGroup() { + const start = this.index; + if (this.eat2(LEFT_PARENTHESIS, QUESTION_MARK)) { + this.onGroupEnter(start); + if (this.ecmaVersion >= 2025) { + this.consumeModifiers(); + } + if (!this.eat(COLON)) { + this.rewind(start + 1); + this.raise("Invalid group"); + } + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this.onGroupLeave(start, this.index); + return true; + } + return false; + } + consumeModifiers() { + const start = this.index; + const hasAddModifiers = this.eatModifiers(); + const addModifiersEnd = this.index; + const hasHyphen = this.eat(HYPHEN_MINUS); + if (!hasAddModifiers && !hasHyphen) { + return false; + } + this.onModifiersEnter(start); + const addModifiers = this.parseModifiers(start, addModifiersEnd); + this.onAddModifiers(start, addModifiersEnd, addModifiers); + if (hasHyphen) { + const modifiersStart = this.index; + if (!this.eatModifiers() && + !hasAddModifiers && + this.currentCodePoint === COLON) { + this.raise("Invalid empty flags"); + } + const modifiers = this.parseModifiers(modifiersStart, this.index); + for (const [flagName] of Object.entries(modifiers).filter(([, enable]) => enable)) { + if (addModifiers[flagName]) { + this.raise(`Duplicated flag '${String.fromCodePoint(FLAG_PROP_TO_CODEPOINT[flagName])}'`); + } + } + this.onRemoveModifiers(modifiersStart, this.index, modifiers); + } + this.onModifiersLeave(start, this.index); + return true; + } + consumeCapturingGroup() { + const start = this.index; + if (this.eat(LEFT_PARENTHESIS)) { + let name = null; + if (this.ecmaVersion >= 2018) { + if (this.consumeGroupSpecifier()) { + name = this._lastStrValue; + } + else if (this.currentCodePoint === QUESTION_MARK) { + this.rewind(start); + return false; + } + } + else if (this.currentCodePoint === QUESTION_MARK) { + this.rewind(start); + return false; + } + this.onCapturingGroupEnter(start, name); + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this.onCapturingGroupLeave(start, this.index, name); + return true; + } + return false; + } + consumeExtendedAtom() { + return (this.consumeDot() || + this.consumeReverseSolidusAtomEscape() || + this.consumeReverseSolidusFollowedByC() || + Boolean(this.consumeCharacterClass()) || + this.consumeCapturingGroup() || + this.consumeUncapturingGroup() || + this.consumeInvalidBracedQuantifier() || + this.consumeExtendedPatternCharacter()); + } + consumeReverseSolidusFollowedByC() { + const start = this.index; + if (this.currentCodePoint === REVERSE_SOLIDUS && + this.nextCodePoint === LATIN_SMALL_LETTER_C) { + this._lastIntValue = this.currentCodePoint; + this.advance(); + this.onCharacter(start, this.index, REVERSE_SOLIDUS); + return true; + } + return false; + } + consumeInvalidBracedQuantifier() { + if (this.eatBracedQuantifier(true)) { + this.raise("Nothing to repeat"); + } + return false; + } + consumePatternCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && !isSyntaxCharacter(cp)) { + this.advance(); + this.onCharacter(start, this.index, cp); + return true; + } + return false; + } + consumeExtendedPatternCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && + cp !== CIRCUMFLEX_ACCENT && + cp !== DOLLAR_SIGN && + cp !== REVERSE_SOLIDUS && + cp !== FULL_STOP && + cp !== ASTERISK && + cp !== PLUS_SIGN && + cp !== QUESTION_MARK && + cp !== LEFT_PARENTHESIS && + cp !== RIGHT_PARENTHESIS && + cp !== LEFT_SQUARE_BRACKET && + cp !== VERTICAL_LINE) { + this.advance(); + this.onCharacter(start, this.index, cp); + return true; + } + return false; + } + consumeGroupSpecifier() { + const start = this.index; + if (this.eat(QUESTION_MARK)) { + if (this.eatGroupName()) { + if (!this._groupSpecifiers.hasInScope(this._lastStrValue)) { + this._groupSpecifiers.addToScope(this._lastStrValue); + return true; + } + this.raise("Duplicate capture group name"); + } + this.rewind(start); + } + return false; + } + consumeAtomEscape() { + if (this.consumeBackreference() || + this.consumeCharacterClassEscape() || + this.consumeCharacterEscape() || + (this._nFlag && this.consumeKGroupName())) { + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + return false; + } + consumeBackreference() { + const start = this.index; + if (this.eatDecimalEscape()) { + const n = this._lastIntValue; + if (n <= this._numCapturingParens) { + this.onBackreference(start - 1, this.index, n); + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + consumeCharacterClassEscape() { + var _a; + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_D)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "digit", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_D)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "digit", true); + return {}; + } + if (this.eat(LATIN_SMALL_LETTER_S)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "space", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_S)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "space", true); + return {}; + } + if (this.eat(LATIN_SMALL_LETTER_W)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "word", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_W)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "word", true); + return {}; + } + let negate = false; + if (this._unicodeMode && + this.ecmaVersion >= 2018 && + (this.eat(LATIN_SMALL_LETTER_P) || + (negate = this.eat(LATIN_CAPITAL_LETTER_P)))) { + this._lastIntValue = -1; + let result = null; + if (this.eat(LEFT_CURLY_BRACKET) && + (result = this.eatUnicodePropertyValueExpression()) && + this.eat(RIGHT_CURLY_BRACKET)) { + if (negate && result.strings) { + this.raise("Invalid property name"); + } + this.onUnicodePropertyCharacterSet(start - 1, this.index, "property", result.key, result.value, negate, (_a = result.strings) !== null && _a !== void 0 ? _a : false); + return { mayContainStrings: result.strings }; + } + this.raise("Invalid property name"); + } + return null; + } + consumeCharacterEscape() { + const start = this.index; + if (this.eatControlEscape() || + this.eatCControlLetter() || + this.eatZero() || + this.eatHexEscapeSequence() || + this.eatRegExpUnicodeEscapeSequence() || + (!this.strict && + !this._unicodeMode && + this.eatLegacyOctalEscapeSequence()) || + this.eatIdentityEscape()) { + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + return false; + } + consumeKGroupName() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_K)) { + if (this.eatGroupName()) { + const groupName = this._lastStrValue; + this._backreferenceNames.add(groupName); + this.onBackreference(start - 1, this.index, groupName); + return true; + } + this.raise("Invalid named reference"); + } + return false; + } + consumeCharacterClass() { + const start = this.index; + if (this.eat(LEFT_SQUARE_BRACKET)) { + const negate = this.eat(CIRCUMFLEX_ACCENT); + this.onCharacterClassEnter(start, negate, this._unicodeSetsMode); + const result = this.consumeClassContents(); + if (!this.eat(RIGHT_SQUARE_BRACKET)) { + if (this.currentCodePoint === -1) { + this.raise("Unterminated character class"); + } + this.raise("Invalid character in character class"); + } + if (negate && result.mayContainStrings) { + this.raise("Negated character class may contain strings"); + } + this.onCharacterClassLeave(start, this.index, negate); + return result; + } + return null; + } + consumeClassContents() { + if (this._unicodeSetsMode) { + if (this.currentCodePoint === RIGHT_SQUARE_BRACKET) { + return {}; + } + const result = this.consumeClassSetExpression(); + return result; + } + const strict = this.strict || this._unicodeMode; + for (;;) { + const rangeStart = this.index; + if (!this.consumeClassAtom()) { + break; + } + const min = this._lastIntValue; + if (!this.eat(HYPHEN_MINUS)) { + continue; + } + this.onCharacter(this.index - 1, this.index, HYPHEN_MINUS); + if (!this.consumeClassAtom()) { + break; + } + const max = this._lastIntValue; + if (min === -1 || max === -1) { + if (strict) { + this.raise("Invalid character class"); + } + continue; + } + if (min > max) { + this.raise("Range out of order in character class"); + } + this.onCharacterClassRange(rangeStart, this.index, min, max); + } + return {}; + } + consumeClassAtom() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && + cp !== REVERSE_SOLIDUS && + cp !== RIGHT_SQUARE_BRACKET) { + this.advance(); + this._lastIntValue = cp; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeClassEscape()) { + return true; + } + if (!this.strict && + this.currentCodePoint === LATIN_SMALL_LETTER_C) { + this._lastIntValue = REVERSE_SOLIDUS; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + consumeClassEscape() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_B)) { + this._lastIntValue = BACKSPACE; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + if (this._unicodeMode && this.eat(HYPHEN_MINUS)) { + this._lastIntValue = HYPHEN_MINUS; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + let cp = 0; + if (!this.strict && + !this._unicodeMode && + this.currentCodePoint === LATIN_SMALL_LETTER_C && + (isDecimalDigit((cp = this.nextCodePoint)) || cp === LOW_LINE)) { + this.advance(); + this.advance(); + this._lastIntValue = cp % 0x20; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + return (Boolean(this.consumeCharacterClassEscape()) || + this.consumeCharacterEscape()); + } + consumeClassSetExpression() { + const start = this.index; + let mayContainStrings = false; + let result = null; + if (this.consumeClassSetCharacter()) { + if (this.consumeClassSetRangeFromOperator(start)) { + this.consumeClassUnionRight({}); + return {}; + } + mayContainStrings = false; + } + else if ((result = this.consumeClassSetOperand())) { + mayContainStrings = result.mayContainStrings; + } + else { + const cp = this.currentCodePoint; + if (cp === REVERSE_SOLIDUS) { + this.advance(); + this.raise("Invalid escape"); + } + if (cp === this.nextCodePoint && + isClassSetReservedDoublePunctuatorCharacter(cp)) { + this.raise("Invalid set operation in character class"); + } + this.raise("Invalid character in character class"); + } + if (this.eat2(AMPERSAND, AMPERSAND)) { + while (this.currentCodePoint !== AMPERSAND && + (result = this.consumeClassSetOperand())) { + this.onClassIntersection(start, this.index); + if (!result.mayContainStrings) { + mayContainStrings = false; + } + if (this.eat2(AMPERSAND, AMPERSAND)) { + continue; + } + return { mayContainStrings }; + } + this.raise("Invalid character in character class"); + } + if (this.eat2(HYPHEN_MINUS, HYPHEN_MINUS)) { + while (this.consumeClassSetOperand()) { + this.onClassSubtraction(start, this.index); + if (this.eat2(HYPHEN_MINUS, HYPHEN_MINUS)) { + continue; + } + return { mayContainStrings }; + } + this.raise("Invalid character in character class"); + } + return this.consumeClassUnionRight({ mayContainStrings }); + } + consumeClassUnionRight(leftResult) { + let mayContainStrings = leftResult.mayContainStrings; + for (;;) { + const start = this.index; + if (this.consumeClassSetCharacter()) { + this.consumeClassSetRangeFromOperator(start); + continue; + } + const result = this.consumeClassSetOperand(); + if (result) { + if (result.mayContainStrings) { + mayContainStrings = true; + } + continue; + } + break; + } + return { mayContainStrings }; + } + consumeClassSetRangeFromOperator(start) { + const currentStart = this.index; + const min = this._lastIntValue; + if (this.eat(HYPHEN_MINUS)) { + if (this.consumeClassSetCharacter()) { + const max = this._lastIntValue; + if (min === -1 || max === -1) { + this.raise("Invalid character class"); + } + if (min > max) { + this.raise("Range out of order in character class"); + } + this.onCharacterClassRange(start, this.index, min, max); + return true; + } + this.rewind(currentStart); + } + return false; + } + consumeClassSetOperand() { + let result = null; + if ((result = this.consumeNestedClass())) { + return result; + } + if ((result = this.consumeClassStringDisjunction())) { + return result; + } + if (this.consumeClassSetCharacter()) { + return {}; + } + return null; + } + consumeNestedClass() { + const start = this.index; + if (this.eat(LEFT_SQUARE_BRACKET)) { + const negate = this.eat(CIRCUMFLEX_ACCENT); + this.onCharacterClassEnter(start, negate, true); + const result = this.consumeClassContents(); + if (!this.eat(RIGHT_SQUARE_BRACKET)) { + this.raise("Unterminated character class"); + } + if (negate && result.mayContainStrings) { + this.raise("Negated character class may contain strings"); + } + this.onCharacterClassLeave(start, this.index, negate); + return result; + } + if (this.eat(REVERSE_SOLIDUS)) { + const result = this.consumeCharacterClassEscape(); + if (result) { + return result; + } + this.rewind(start); + } + return null; + } + consumeClassStringDisjunction() { + const start = this.index; + if (this.eat3(REVERSE_SOLIDUS, LATIN_SMALL_LETTER_Q, LEFT_CURLY_BRACKET)) { + this.onClassStringDisjunctionEnter(start); + let i = 0; + let mayContainStrings = false; + do { + if (this.consumeClassString(i++).mayContainStrings) { + mayContainStrings = true; + } + } while (this.eat(VERTICAL_LINE)); + if (this.eat(RIGHT_CURLY_BRACKET)) { + this.onClassStringDisjunctionLeave(start, this.index); + return { mayContainStrings }; + } + this.raise("Unterminated class string disjunction"); + } + return null; + } + consumeClassString(i) { + const start = this.index; + let count = 0; + this.onStringAlternativeEnter(start, i); + while (this.currentCodePoint !== -1 && + this.consumeClassSetCharacter()) { + count++; + } + this.onStringAlternativeLeave(start, this.index, i); + return { mayContainStrings: count !== 1 }; + } + consumeClassSetCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== this.nextCodePoint || + !isClassSetReservedDoublePunctuatorCharacter(cp)) { + if (cp !== -1 && !isClassSetSyntaxCharacter(cp)) { + this._lastIntValue = cp; + this.advance(); + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + } + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeCharacterEscape()) { + return true; + } + if (isClassSetReservedPunctuator(this.currentCodePoint)) { + this._lastIntValue = this.currentCodePoint; + this.advance(); + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.eat(LATIN_SMALL_LETTER_B)) { + this._lastIntValue = BACKSPACE; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + this.rewind(start); + } + return false; + } + eatGroupName() { + if (this.eat(LESS_THAN_SIGN)) { + if (this.eatRegExpIdentifierName() && this.eat(GREATER_THAN_SIGN)) { + return true; + } + this.raise("Invalid capture group name"); + } + return false; + } + eatRegExpIdentifierName() { + if (this.eatRegExpIdentifierStart()) { + this._lastStrValue = String.fromCodePoint(this._lastIntValue); + while (this.eatRegExpIdentifierPart()) { + this._lastStrValue += String.fromCodePoint(this._lastIntValue); + } + return true; + } + return false; + } + eatRegExpIdentifierStart() { + const start = this.index; + const forceUFlag = !this._unicodeMode && this.ecmaVersion >= 2020; + let cp = this.currentCodePoint; + this.advance(); + if (cp === REVERSE_SOLIDUS && + this.eatRegExpUnicodeEscapeSequence(forceUFlag)) { + cp = this._lastIntValue; + } + else if (forceUFlag && + isLeadSurrogate(cp) && + isTrailSurrogate(this.currentCodePoint)) { + cp = combineSurrogatePair(cp, this.currentCodePoint); + this.advance(); + } + if (isIdentifierStartChar(cp)) { + this._lastIntValue = cp; + return true; + } + if (this.index !== start) { + this.rewind(start); + } + return false; + } + eatRegExpIdentifierPart() { + const start = this.index; + const forceUFlag = !this._unicodeMode && this.ecmaVersion >= 2020; + let cp = this.currentCodePoint; + this.advance(); + if (cp === REVERSE_SOLIDUS && + this.eatRegExpUnicodeEscapeSequence(forceUFlag)) { + cp = this._lastIntValue; + } + else if (forceUFlag && + isLeadSurrogate(cp) && + isTrailSurrogate(this.currentCodePoint)) { + cp = combineSurrogatePair(cp, this.currentCodePoint); + this.advance(); + } + if (isIdentifierPartChar(cp)) { + this._lastIntValue = cp; + return true; + } + if (this.index !== start) { + this.rewind(start); + } + return false; + } + eatCControlLetter() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_C)) { + if (this.eatControlLetter()) { + return true; + } + this.rewind(start); + } + return false; + } + eatZero() { + if (this.currentCodePoint === DIGIT_ZERO && + !isDecimalDigit(this.nextCodePoint)) { + this._lastIntValue = 0; + this.advance(); + return true; + } + return false; + } + eatControlEscape() { + if (this.eat(LATIN_SMALL_LETTER_F)) { + this._lastIntValue = FORM_FEED; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_N)) { + this._lastIntValue = LINE_FEED; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_R)) { + this._lastIntValue = CARRIAGE_RETURN; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_T)) { + this._lastIntValue = CHARACTER_TABULATION; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_V)) { + this._lastIntValue = LINE_TABULATION; + return true; + } + return false; + } + eatControlLetter() { + const cp = this.currentCodePoint; + if (isLatinLetter(cp)) { + this.advance(); + this._lastIntValue = cp % 0x20; + return true; + } + return false; + } + eatRegExpUnicodeEscapeSequence(forceUFlag = false) { + const start = this.index; + const uFlag = forceUFlag || this._unicodeMode; + if (this.eat(LATIN_SMALL_LETTER_U)) { + if ((uFlag && this.eatRegExpUnicodeSurrogatePairEscape()) || + this.eatFixedHexDigits(4) || + (uFlag && this.eatRegExpUnicodeCodePointEscape())) { + return true; + } + if (this.strict || uFlag) { + this.raise("Invalid unicode escape"); + } + this.rewind(start); + } + return false; + } + eatRegExpUnicodeSurrogatePairEscape() { + const start = this.index; + if (this.eatFixedHexDigits(4)) { + const lead = this._lastIntValue; + if (isLeadSurrogate(lead) && + this.eat(REVERSE_SOLIDUS) && + this.eat(LATIN_SMALL_LETTER_U) && + this.eatFixedHexDigits(4)) { + const trail = this._lastIntValue; + if (isTrailSurrogate(trail)) { + this._lastIntValue = combineSurrogatePair(lead, trail); + return true; + } + } + this.rewind(start); + } + return false; + } + eatRegExpUnicodeCodePointEscape() { + const start = this.index; + if (this.eat(LEFT_CURLY_BRACKET) && + this.eatHexDigits() && + this.eat(RIGHT_CURLY_BRACKET) && + isValidUnicode(this._lastIntValue)) { + return true; + } + this.rewind(start); + return false; + } + eatIdentityEscape() { + const cp = this.currentCodePoint; + if (this.isValidIdentityEscape(cp)) { + this._lastIntValue = cp; + this.advance(); + return true; + } + return false; + } + isValidIdentityEscape(cp) { + if (cp === -1) { + return false; + } + if (this._unicodeMode) { + return isSyntaxCharacter(cp) || cp === SOLIDUS; + } + if (this.strict) { + return !isIdContinue(cp); + } + if (this._nFlag) { + return !(cp === LATIN_SMALL_LETTER_C || cp === LATIN_SMALL_LETTER_K); + } + return cp !== LATIN_SMALL_LETTER_C; + } + eatDecimalEscape() { + this._lastIntValue = 0; + let cp = this.currentCodePoint; + if (cp >= DIGIT_ONE && cp <= DIGIT_NINE) { + do { + this._lastIntValue = 10 * this._lastIntValue + (cp - DIGIT_ZERO); + this.advance(); + } while ((cp = this.currentCodePoint) >= DIGIT_ZERO && + cp <= DIGIT_NINE); + return true; + } + return false; + } + eatUnicodePropertyValueExpression() { + const start = this.index; + if (this.eatUnicodePropertyName() && this.eat(EQUALS_SIGN)) { + const key = this._lastStrValue; + if (this.eatUnicodePropertyValue()) { + const value = this._lastStrValue; + if (isValidUnicodeProperty(this.ecmaVersion, key, value)) { + return { + key, + value: value || null, + }; + } + this.raise("Invalid property name"); + } + } + this.rewind(start); + if (this.eatLoneUnicodePropertyNameOrValue()) { + const nameOrValue = this._lastStrValue; + if (isValidUnicodeProperty(this.ecmaVersion, "General_Category", nameOrValue)) { + return { + key: "General_Category", + value: nameOrValue || null, + }; + } + if (isValidLoneUnicodeProperty(this.ecmaVersion, nameOrValue)) { + return { + key: nameOrValue, + value: null, + }; + } + if (this._unicodeSetsMode && + isValidLoneUnicodePropertyOfString(this.ecmaVersion, nameOrValue)) { + return { + key: nameOrValue, + value: null, + strings: true, + }; + } + this.raise("Invalid property name"); + } + return null; + } + eatUnicodePropertyName() { + this._lastStrValue = ""; + while (isUnicodePropertyNameCharacter(this.currentCodePoint)) { + this._lastStrValue += String.fromCodePoint(this.currentCodePoint); + this.advance(); + } + return this._lastStrValue !== ""; + } + eatUnicodePropertyValue() { + this._lastStrValue = ""; + while (isUnicodePropertyValueCharacter(this.currentCodePoint)) { + this._lastStrValue += String.fromCodePoint(this.currentCodePoint); + this.advance(); + } + return this._lastStrValue !== ""; + } + eatLoneUnicodePropertyNameOrValue() { + return this.eatUnicodePropertyValue(); + } + eatHexEscapeSequence() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_X)) { + if (this.eatFixedHexDigits(2)) { + return true; + } + if (this._unicodeMode || this.strict) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + eatDecimalDigits() { + const start = this.index; + this._lastIntValue = 0; + while (isDecimalDigit(this.currentCodePoint)) { + this._lastIntValue = + 10 * this._lastIntValue + digitToInt(this.currentCodePoint); + this.advance(); + } + return this.index !== start; + } + eatHexDigits() { + const start = this.index; + this._lastIntValue = 0; + while (isHexDigit(this.currentCodePoint)) { + this._lastIntValue = + 16 * this._lastIntValue + digitToInt(this.currentCodePoint); + this.advance(); + } + return this.index !== start; + } + eatLegacyOctalEscapeSequence() { + if (this.eatOctalDigit()) { + const n1 = this._lastIntValue; + if (this.eatOctalDigit()) { + const n2 = this._lastIntValue; + if (n1 <= 3 && this.eatOctalDigit()) { + this._lastIntValue = n1 * 64 + n2 * 8 + this._lastIntValue; + } + else { + this._lastIntValue = n1 * 8 + n2; + } + } + else { + this._lastIntValue = n1; + } + return true; + } + return false; + } + eatOctalDigit() { + const cp = this.currentCodePoint; + if (isOctalDigit(cp)) { + this.advance(); + this._lastIntValue = cp - DIGIT_ZERO; + return true; + } + this._lastIntValue = 0; + return false; + } + eatFixedHexDigits(length) { + const start = this.index; + this._lastIntValue = 0; + for (let i = 0; i < length; ++i) { + const cp = this.currentCodePoint; + if (!isHexDigit(cp)) { + this.rewind(start); + return false; + } + this._lastIntValue = 16 * this._lastIntValue + digitToInt(cp); + this.advance(); + } + return true; + } + eatModifiers() { + let ate = false; + while (isRegularExpressionModifier(this.currentCodePoint)) { + this.advance(); + ate = true; + } + return ate; + } + parseModifiers(start, end) { + const { ignoreCase, multiline, dotAll } = this.parseFlags(this._reader.source, start, end); + return { ignoreCase, multiline, dotAll }; + } + parseFlags(source, start, end) { + const flags = { + global: false, + ignoreCase: false, + multiline: false, + unicode: false, + sticky: false, + dotAll: false, + hasIndices: false, + unicodeSets: false, + }; + const validFlags = new Set(); + validFlags.add(LATIN_SMALL_LETTER_G); + validFlags.add(LATIN_SMALL_LETTER_I); + validFlags.add(LATIN_SMALL_LETTER_M); + if (this.ecmaVersion >= 2015) { + validFlags.add(LATIN_SMALL_LETTER_U); + validFlags.add(LATIN_SMALL_LETTER_Y); + if (this.ecmaVersion >= 2018) { + validFlags.add(LATIN_SMALL_LETTER_S); + if (this.ecmaVersion >= 2022) { + validFlags.add(LATIN_SMALL_LETTER_D); + if (this.ecmaVersion >= 2024) { + validFlags.add(LATIN_SMALL_LETTER_V); + } + } + } + } + for (let i = start; i < end; ++i) { + const flag = source.charCodeAt(i); + if (validFlags.has(flag)) { + const prop = FLAG_CODEPOINT_TO_PROP[flag]; + if (flags[prop]) { + this.raise(`Duplicated flag '${source[i]}'`, { + index: start, + }); + } + flags[prop] = true; + } + else { + this.raise(`Invalid flag '${source[i]}'`, { index: start }); + } + } + return flags; + } +} + +const DUMMY_PATTERN = {}; +const DUMMY_FLAGS = {}; +const DUMMY_CAPTURING_GROUP = {}; +function isClassSetOperand(node) { + return (node.type === "Character" || + node.type === "CharacterSet" || + node.type === "CharacterClass" || + node.type === "ExpressionCharacterClass" || + node.type === "ClassStringDisjunction"); +} +class RegExpParserState { + constructor(options) { + var _a; + this._node = DUMMY_PATTERN; + this._expressionBufferMap = new Map(); + this._flags = DUMMY_FLAGS; + this._backreferences = []; + this._capturingGroups = []; + this.source = ""; + this.strict = Boolean(options === null || options === void 0 ? void 0 : options.strict); + this.ecmaVersion = (_a = options === null || options === void 0 ? void 0 : options.ecmaVersion) !== null && _a !== void 0 ? _a : latestEcmaVersion; + } + get pattern() { + if (this._node.type !== "Pattern") { + throw new Error("UnknownError"); + } + return this._node; + } + get flags() { + if (this._flags.type !== "Flags") { + throw new Error("UnknownError"); + } + return this._flags; + } + onRegExpFlags(start, end, { global, ignoreCase, multiline, unicode, sticky, dotAll, hasIndices, unicodeSets, }) { + this._flags = { + type: "Flags", + parent: null, + start, + end, + raw: this.source.slice(start, end), + global, + ignoreCase, + multiline, + unicode, + sticky, + dotAll, + hasIndices, + unicodeSets, + }; + } + onPatternEnter(start) { + this._node = { + type: "Pattern", + parent: null, + start, + end: start, + raw: "", + alternatives: [], + }; + this._backreferences.length = 0; + this._capturingGroups.length = 0; + } + onPatternLeave(start, end) { + this._node.end = end; + this._node.raw = this.source.slice(start, end); + for (const reference of this._backreferences) { + const ref = reference.ref; + const groups = typeof ref === "number" + ? [this._capturingGroups[ref - 1]] + : this._capturingGroups.filter((g) => g.name === ref); + if (groups.length === 1) { + const group = groups[0]; + reference.ambiguous = false; + reference.resolved = group; + } + else { + reference.ambiguous = true; + reference.resolved = groups; + } + for (const group of groups) { + group.references.push(reference); + } + } + } + onAlternativeEnter(start) { + const parent = this._node; + if (parent.type !== "Assertion" && + parent.type !== "CapturingGroup" && + parent.type !== "Group" && + parent.type !== "Pattern") { + throw new Error("UnknownError"); + } + this._node = { + type: "Alternative", + parent, + start, + end: start, + raw: "", + elements: [], + }; + parent.alternatives.push(this._node); + } + onAlternativeLeave(start, end) { + const node = this._node; + if (node.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onGroupEnter(start) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const group = { + type: "Group", + parent, + start, + end: start, + raw: "", + modifiers: null, + alternatives: [], + }; + this._node = group; + parent.elements.push(this._node); + } + onGroupLeave(start, end) { + const node = this._node; + if (node.type !== "Group" || node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onModifiersEnter(start) { + const parent = this._node; + if (parent.type !== "Group") { + throw new Error("UnknownError"); + } + this._node = { + type: "Modifiers", + parent, + start, + end: start, + raw: "", + add: null, + remove: null, + }; + parent.modifiers = this._node; + } + onModifiersLeave(start, end) { + const node = this._node; + if (node.type !== "Modifiers" || node.parent.type !== "Group") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onAddModifiers(start, end, { ignoreCase, multiline, dotAll, }) { + const parent = this._node; + if (parent.type !== "Modifiers") { + throw new Error("UnknownError"); + } + parent.add = { + type: "ModifierFlags", + parent, + start, + end, + raw: this.source.slice(start, end), + ignoreCase, + multiline, + dotAll, + }; + } + onRemoveModifiers(start, end, { ignoreCase, multiline, dotAll, }) { + const parent = this._node; + if (parent.type !== "Modifiers") { + throw new Error("UnknownError"); + } + parent.remove = { + type: "ModifierFlags", + parent, + start, + end, + raw: this.source.slice(start, end), + ignoreCase, + multiline, + dotAll, + }; + } + onCapturingGroupEnter(start, name) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + this._node = { + type: "CapturingGroup", + parent, + start, + end: start, + raw: "", + name, + alternatives: [], + references: [], + }; + parent.elements.push(this._node); + this._capturingGroups.push(this._node); + } + onCapturingGroupLeave(start, end) { + const node = this._node; + if (node.type !== "CapturingGroup" || + node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onQuantifier(start, end, min, max, greedy) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const element = parent.elements.pop(); + if (element == null || + element.type === "Quantifier" || + (element.type === "Assertion" && element.kind !== "lookahead")) { + throw new Error("UnknownError"); + } + const node = { + type: "Quantifier", + parent, + start: element.start, + end, + raw: this.source.slice(element.start, end), + min, + max, + greedy, + element, + }; + parent.elements.push(node); + element.parent = node; + } + onLookaroundAssertionEnter(start, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const node = (this._node = { + type: "Assertion", + parent, + start, + end: start, + raw: "", + kind, + negate, + alternatives: [], + }); + parent.elements.push(node); + } + onLookaroundAssertionLeave(start, end) { + const node = this._node; + if (node.type !== "Assertion" || node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onEdgeAssertion(start, end, kind) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Assertion", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + }); + } + onWordBoundaryAssertion(start, end, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Assertion", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + negate, + }); + } + onAnyCharacterSet(start, end, kind) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "CharacterSet", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + }); + } + onEscapeCharacterSet(start, end, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative" && parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "CharacterSet", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + negate, + }); + } + onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings) { + const parent = this._node; + if (parent.type !== "Alternative" && parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + const base = { + type: "CharacterSet", + parent: null, + start, + end, + raw: this.source.slice(start, end), + kind, + strings: null, + key, + }; + if (strings) { + if ((parent.type === "CharacterClass" && !parent.unicodeSets) || + negate || + value !== null) { + throw new Error("UnknownError"); + } + parent.elements.push(Object.assign(Object.assign({}, base), { parent, strings, value, negate })); + } + else { + parent.elements.push(Object.assign(Object.assign({}, base), { parent, strings, value, negate })); + } + } + onCharacter(start, end, value) { + const parent = this._node; + if (parent.type !== "Alternative" && + parent.type !== "CharacterClass" && + parent.type !== "StringAlternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Character", + parent, + start, + end, + raw: this.source.slice(start, end), + value, + }); + } + onBackreference(start, end, ref) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const node = { + type: "Backreference", + parent, + start, + end, + raw: this.source.slice(start, end), + ref, + ambiguous: false, + resolved: DUMMY_CAPTURING_GROUP, + }; + parent.elements.push(node); + this._backreferences.push(node); + } + onCharacterClassEnter(start, negate, unicodeSets) { + const parent = this._node; + const base = { + type: "CharacterClass", + parent, + start, + end: start, + raw: "", + unicodeSets, + negate, + elements: [], + }; + if (parent.type === "Alternative") { + const node = Object.assign(Object.assign({}, base), { parent }); + this._node = node; + parent.elements.push(node); + } + else if (parent.type === "CharacterClass" && + parent.unicodeSets && + unicodeSets) { + const node = Object.assign(Object.assign({}, base), { parent, + unicodeSets }); + this._node = node; + parent.elements.push(node); + } + else { + throw new Error("UnknownError"); + } + } + onCharacterClassLeave(start, end) { + const node = this._node; + if (node.type !== "CharacterClass" || + (node.parent.type !== "Alternative" && + node.parent.type !== "CharacterClass")) { + throw new Error("UnknownError"); + } + const parent = node.parent; + node.end = end; + node.raw = this.source.slice(start, end); + this._node = parent; + const expression = this._expressionBufferMap.get(node); + if (!expression) { + return; + } + if (node.elements.length > 0) { + throw new Error("UnknownError"); + } + this._expressionBufferMap.delete(node); + const newNode = { + type: "ExpressionCharacterClass", + parent, + start: node.start, + end: node.end, + raw: node.raw, + negate: node.negate, + expression, + }; + expression.parent = newNode; + if (node !== parent.elements.pop()) { + throw new Error("UnknownError"); + } + parent.elements.push(newNode); + } + onCharacterClassRange(start, end) { + const parent = this._node; + if (parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + const elements = parent.elements; + const max = elements.pop(); + if (!max || max.type !== "Character") { + throw new Error("UnknownError"); + } + if (!parent.unicodeSets) { + const hyphen = elements.pop(); + if (!hyphen || + hyphen.type !== "Character" || + hyphen.value !== HYPHEN_MINUS) { + throw new Error("UnknownError"); + } + } + const min = elements.pop(); + if (!min || min.type !== "Character") { + throw new Error("UnknownError"); + } + const node = { + type: "CharacterClassRange", + parent, + start, + end, + raw: this.source.slice(start, end), + min, + max, + }; + min.parent = node; + max.parent = node; + elements.push(node); + } + onClassIntersection(start, end) { + var _a; + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + const right = parent.elements.pop(); + const left = (_a = this._expressionBufferMap.get(parent)) !== null && _a !== void 0 ? _a : parent.elements.pop(); + if (!left || + !right || + left.type === "ClassSubtraction" || + (left.type !== "ClassIntersection" && !isClassSetOperand(left)) || + !isClassSetOperand(right)) { + throw new Error("UnknownError"); + } + const node = { + type: "ClassIntersection", + parent: parent, + start, + end, + raw: this.source.slice(start, end), + left, + right, + }; + left.parent = node; + right.parent = node; + this._expressionBufferMap.set(parent, node); + } + onClassSubtraction(start, end) { + var _a; + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + const right = parent.elements.pop(); + const left = (_a = this._expressionBufferMap.get(parent)) !== null && _a !== void 0 ? _a : parent.elements.pop(); + if (!left || + !right || + left.type === "ClassIntersection" || + (left.type !== "ClassSubtraction" && !isClassSetOperand(left)) || + !isClassSetOperand(right)) { + throw new Error("UnknownError"); + } + const node = { + type: "ClassSubtraction", + parent: parent, + start, + end, + raw: this.source.slice(start, end), + left, + right, + }; + left.parent = node; + right.parent = node; + this._expressionBufferMap.set(parent, node); + } + onClassStringDisjunctionEnter(start) { + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + this._node = { + type: "ClassStringDisjunction", + parent, + start, + end: start, + raw: "", + alternatives: [], + }; + parent.elements.push(this._node); + } + onClassStringDisjunctionLeave(start, end) { + const node = this._node; + if (node.type !== "ClassStringDisjunction" || + node.parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onStringAlternativeEnter(start) { + const parent = this._node; + if (parent.type !== "ClassStringDisjunction") { + throw new Error("UnknownError"); + } + this._node = { + type: "StringAlternative", + parent, + start, + end: start, + raw: "", + elements: [], + }; + parent.alternatives.push(this._node); + } + onStringAlternativeLeave(start, end) { + const node = this._node; + if (node.type !== "StringAlternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } +} +class RegExpParser { + constructor(options) { + this._state = new RegExpParserState(options); + this._validator = new RegExpValidator(this._state); + } + parseLiteral(source, start = 0, end = source.length) { + this._state.source = source; + this._validator.validateLiteral(source, start, end); + const pattern = this._state.pattern; + const flags = this._state.flags; + const literal = { + type: "RegExpLiteral", + parent: null, + start, + end, + raw: source, + pattern, + flags, + }; + pattern.parent = literal; + flags.parent = literal; + return literal; + } + parseFlags(source, start = 0, end = source.length) { + this._state.source = source; + this._validator.validateFlags(source, start, end); + return this._state.flags; + } + parsePattern(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + this._state.source = source; + this._validator.validatePattern(source, start, end, uFlagOrFlags); + return this._state.pattern; + } +} + +class RegExpVisitor { + constructor(handlers) { + this._handlers = handlers; + } + visit(node) { + switch (node.type) { + case "Alternative": + this.visitAlternative(node); + break; + case "Assertion": + this.visitAssertion(node); + break; + case "Backreference": + this.visitBackreference(node); + break; + case "CapturingGroup": + this.visitCapturingGroup(node); + break; + case "Character": + this.visitCharacter(node); + break; + case "CharacterClass": + this.visitCharacterClass(node); + break; + case "CharacterClassRange": + this.visitCharacterClassRange(node); + break; + case "CharacterSet": + this.visitCharacterSet(node); + break; + case "ClassIntersection": + this.visitClassIntersection(node); + break; + case "ClassStringDisjunction": + this.visitClassStringDisjunction(node); + break; + case "ClassSubtraction": + this.visitClassSubtraction(node); + break; + case "ExpressionCharacterClass": + this.visitExpressionCharacterClass(node); + break; + case "Flags": + this.visitFlags(node); + break; + case "Group": + this.visitGroup(node); + break; + case "Modifiers": + this.visitModifiers(node); + break; + case "ModifierFlags": + this.visitModifierFlags(node); + break; + case "Pattern": + this.visitPattern(node); + break; + case "Quantifier": + this.visitQuantifier(node); + break; + case "RegExpLiteral": + this.visitRegExpLiteral(node); + break; + case "StringAlternative": + this.visitStringAlternative(node); + break; + default: + throw new Error(`Unknown type: ${node.type}`); + } + } + visitAlternative(node) { + if (this._handlers.onAlternativeEnter) { + this._handlers.onAlternativeEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onAlternativeLeave) { + this._handlers.onAlternativeLeave(node); + } + } + visitAssertion(node) { + if (this._handlers.onAssertionEnter) { + this._handlers.onAssertionEnter(node); + } + if (node.kind === "lookahead" || node.kind === "lookbehind") { + node.alternatives.forEach(this.visit, this); + } + if (this._handlers.onAssertionLeave) { + this._handlers.onAssertionLeave(node); + } + } + visitBackreference(node) { + if (this._handlers.onBackreferenceEnter) { + this._handlers.onBackreferenceEnter(node); + } + if (this._handlers.onBackreferenceLeave) { + this._handlers.onBackreferenceLeave(node); + } + } + visitCapturingGroup(node) { + if (this._handlers.onCapturingGroupEnter) { + this._handlers.onCapturingGroupEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onCapturingGroupLeave) { + this._handlers.onCapturingGroupLeave(node); + } + } + visitCharacter(node) { + if (this._handlers.onCharacterEnter) { + this._handlers.onCharacterEnter(node); + } + if (this._handlers.onCharacterLeave) { + this._handlers.onCharacterLeave(node); + } + } + visitCharacterClass(node) { + if (this._handlers.onCharacterClassEnter) { + this._handlers.onCharacterClassEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onCharacterClassLeave) { + this._handlers.onCharacterClassLeave(node); + } + } + visitCharacterClassRange(node) { + if (this._handlers.onCharacterClassRangeEnter) { + this._handlers.onCharacterClassRangeEnter(node); + } + this.visitCharacter(node.min); + this.visitCharacter(node.max); + if (this._handlers.onCharacterClassRangeLeave) { + this._handlers.onCharacterClassRangeLeave(node); + } + } + visitCharacterSet(node) { + if (this._handlers.onCharacterSetEnter) { + this._handlers.onCharacterSetEnter(node); + } + if (this._handlers.onCharacterSetLeave) { + this._handlers.onCharacterSetLeave(node); + } + } + visitClassIntersection(node) { + if (this._handlers.onClassIntersectionEnter) { + this._handlers.onClassIntersectionEnter(node); + } + this.visit(node.left); + this.visit(node.right); + if (this._handlers.onClassIntersectionLeave) { + this._handlers.onClassIntersectionLeave(node); + } + } + visitClassStringDisjunction(node) { + if (this._handlers.onClassStringDisjunctionEnter) { + this._handlers.onClassStringDisjunctionEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onClassStringDisjunctionLeave) { + this._handlers.onClassStringDisjunctionLeave(node); + } + } + visitClassSubtraction(node) { + if (this._handlers.onClassSubtractionEnter) { + this._handlers.onClassSubtractionEnter(node); + } + this.visit(node.left); + this.visit(node.right); + if (this._handlers.onClassSubtractionLeave) { + this._handlers.onClassSubtractionLeave(node); + } + } + visitExpressionCharacterClass(node) { + if (this._handlers.onExpressionCharacterClassEnter) { + this._handlers.onExpressionCharacterClassEnter(node); + } + this.visit(node.expression); + if (this._handlers.onExpressionCharacterClassLeave) { + this._handlers.onExpressionCharacterClassLeave(node); + } + } + visitFlags(node) { + if (this._handlers.onFlagsEnter) { + this._handlers.onFlagsEnter(node); + } + if (this._handlers.onFlagsLeave) { + this._handlers.onFlagsLeave(node); + } + } + visitGroup(node) { + if (this._handlers.onGroupEnter) { + this._handlers.onGroupEnter(node); + } + if (node.modifiers) { + this.visit(node.modifiers); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onGroupLeave) { + this._handlers.onGroupLeave(node); + } + } + visitModifiers(node) { + if (this._handlers.onModifiersEnter) { + this._handlers.onModifiersEnter(node); + } + if (node.add) { + this.visit(node.add); + } + if (node.remove) { + this.visit(node.remove); + } + if (this._handlers.onModifiersLeave) { + this._handlers.onModifiersLeave(node); + } + } + visitModifierFlags(node) { + if (this._handlers.onModifierFlagsEnter) { + this._handlers.onModifierFlagsEnter(node); + } + if (this._handlers.onModifierFlagsLeave) { + this._handlers.onModifierFlagsLeave(node); + } + } + visitPattern(node) { + if (this._handlers.onPatternEnter) { + this._handlers.onPatternEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onPatternLeave) { + this._handlers.onPatternLeave(node); + } + } + visitQuantifier(node) { + if (this._handlers.onQuantifierEnter) { + this._handlers.onQuantifierEnter(node); + } + this.visit(node.element); + if (this._handlers.onQuantifierLeave) { + this._handlers.onQuantifierLeave(node); + } + } + visitRegExpLiteral(node) { + if (this._handlers.onRegExpLiteralEnter) { + this._handlers.onRegExpLiteralEnter(node); + } + this.visitPattern(node.pattern); + this.visitFlags(node.flags); + if (this._handlers.onRegExpLiteralLeave) { + this._handlers.onRegExpLiteralLeave(node); + } + } + visitStringAlternative(node) { + if (this._handlers.onStringAlternativeEnter) { + this._handlers.onStringAlternativeEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onStringAlternativeLeave) { + this._handlers.onStringAlternativeLeave(node); + } + } +} + +function parseRegExpLiteral(source, options) { + return new RegExpParser(options).parseLiteral(String(source)); +} +function validateRegExpLiteral(source, options) { + new RegExpValidator(options).validateLiteral(source); +} +function visitRegExpAST(node, handlers) { + new RegExpVisitor(handlers).visit(node); +} + +exports.AST = ast; +exports.RegExpParser = RegExpParser; +exports.RegExpSyntaxError = RegExpSyntaxError; +exports.RegExpValidator = RegExpValidator; +exports.parseRegExpLiteral = parseRegExpLiteral; +exports.validateRegExpLiteral = validateRegExpLiteral; +exports.visitRegExpAST = visitRegExpAST; +//# sourceMappingURL=index.js.map diff --git a/node_modules/@eslint-community/regexpp/index.js.map b/node_modules/@eslint-community/regexpp/index.js.map new file mode 100644 index 000000000..8e0a4d6b7 --- /dev/null +++ b/node_modules/@eslint-community/regexpp/index.js.map @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/node_modules/@eslint-community/regexpp/index.mjs b/node_modules/@eslint-community/regexpp/index.mjs new file mode 100644 index 000000000..ad7ab27f7 --- /dev/null +++ b/node_modules/@eslint-community/regexpp/index.mjs @@ -0,0 +1,3032 @@ +var ast = /*#__PURE__*/Object.freeze({ + __proto__: null +}); + +const latestEcmaVersion = 2025; + +let largeIdStartRanges = undefined; +let largeIdContinueRanges = undefined; +function isIdStart(cp) { + if (cp < 0x41) + return false; + if (cp < 0x5b) + return true; + if (cp < 0x61) + return false; + if (cp < 0x7b) + return true; + return isLargeIdStart(cp); +} +function isIdContinue(cp) { + if (cp < 0x30) + return false; + if (cp < 0x3a) + return true; + if (cp < 0x41) + return false; + if (cp < 0x5b) + return true; + if (cp === 0x5f) + return true; + if (cp < 0x61) + return false; + if (cp < 0x7b) + return true; + return isLargeIdStart(cp) || isLargeIdContinue(cp); +} +function isLargeIdStart(cp) { + return isInRange(cp, largeIdStartRanges !== null && largeIdStartRanges !== void 0 ? largeIdStartRanges : (largeIdStartRanges = initLargeIdStartRanges())); +} +function isLargeIdContinue(cp) { + return isInRange(cp, largeIdContinueRanges !== null && largeIdContinueRanges !== void 0 ? largeIdContinueRanges : (largeIdContinueRanges = initLargeIdContinueRanges())); +} +function initLargeIdStartRanges() { + return restoreRanges("4q 0 b 0 5 0 6 m 2 u 2 cp 5 b f 4 8 0 2 0 3m 4 2 1 3 3 2 0 7 0 2 2 2 0 2 j 2 2a 2 3u 9 4l 2 11 3 0 7 14 20 q 5 3 1a 16 10 1 2 2q 2 0 g 1 8 1 b 2 3 0 h 0 2 t u 2g c 0 p w a 1 5 0 6 l 5 0 a 0 4 0 o o 8 a 6 n 2 6 h 15 1n 1h 4 0 j 0 8 9 g f 5 7 3 1 3 l 2 6 2 0 4 3 4 0 h 0 e 1 2 2 f 1 b 0 9 5 5 1 3 l 2 6 2 1 2 1 2 1 w 3 2 0 k 2 h 8 2 2 2 l 2 6 2 1 2 4 4 0 j 0 g 1 o 0 c 7 3 1 3 l 2 6 2 1 2 4 4 0 v 1 2 2 g 0 i 0 2 5 4 2 2 3 4 1 2 0 2 1 4 1 4 2 4 b n 0 1h 7 2 2 2 m 2 f 4 0 r 2 2 1 3 1 v 0 5 7 2 2 2 m 2 9 2 4 4 0 v 2 2 1 g 1 i 8 2 2 2 14 3 0 h 0 6 2 9 2 p 5 6 h 4 n 2 8 2 0 3 6 1n 1b 2 1 d 6 1n 1 2 0 2 4 2 n 2 0 2 9 2 1 a 0 3 4 2 0 m 3 x 0 1s 7 2 z s 4 38 16 l 0 h 5 5 3 4 0 4 1 8 2 5 c d 0 i 11 2 0 6 0 3 16 2 98 2 3 3 6 2 0 2 3 3 14 2 3 3 w 2 3 3 6 2 0 2 3 3 e 2 1k 2 3 3 1u 12 f h 2d 3 5 4 h7 3 g 2 p 6 22 4 a 8 h e i f h f c 2 2 g 1f 10 0 5 0 1w 2g 8 14 2 0 6 1x b u 1e t 3 4 c 17 5 p 1j m a 1g 2b 0 2m 1a i 7 1j t e 1 b 17 r z 16 2 b z 3 a 6 16 3 2 16 3 2 5 2 1 4 0 6 5b 1t 7p 3 5 3 11 3 5 3 7 2 0 2 0 2 0 2 u 3 1g 2 6 2 0 4 2 2 6 4 3 3 5 5 c 6 2 2 6 39 0 e 0 h c 2u 0 5 0 3 9 2 0 3 5 7 0 2 0 2 0 2 f 3 3 6 4 5 0 i 14 22g 6c 7 3 4 1 d 11 2 0 6 0 3 1j 8 0 h m a 6 2 6 2 6 2 6 2 6 2 6 2 6 2 6 fb 2 q 8 8 4 3 4 5 2d 5 4 2 2h 2 3 6 16 2 2l i v 1d f e9 533 1t h3g 1w 19 3 7g 4 f b 1 l 1a h u 3 27 14 8 3 2u 3 29 l g 2 2 2 3 2 m u 1f f 1d 1r 5 4 0 2 1 c r b m q s 8 1a t 0 h 4 2 9 b 4 2 14 o 2 2 7 l m 4 0 4 1d 2 0 4 1 3 4 3 0 2 0 p 2 3 a 8 2 d 5 3 5 3 5 a 6 2 6 2 16 2 d 7 36 u 8mb d m 5 1c 6it a5 3 2x 13 6 d 4 6 0 2 9 2 c 2 4 2 0 2 1 2 1 2 2z y a2 j 1r 3 1h 15 b 39 4 2 3q 11 p 7 p c 2g 4 5 3 5 3 5 3 2 10 b 2 p 2 i 2 1 2 e 3 d z 3e 1y 1g 7g s 4 1c 1c v e t 6 11 b t 3 z 5 7 2 4 17 4d j z 5 z 5 13 9 1f d a 2 e 2 6 2 1 2 a 2 e 2 6 2 1 4 1f d 8m a l b 7 p 5 2 15 2 8 1y 5 3 0 2 17 2 1 4 0 3 m b m a u 1u i 2 1 b l b p 7 p 13 1j 7 1 1t 0 g 3 2 2 2 s 17 s 4 s 10 7 2 r s 1h b l b i e h 33 20 1k 1e e 1e e z 13 r a m 6z 15 7 1 h 5 1l s b 0 9 l 17 h 1b k s m d 1g 1m 1 3 0 e 18 x o r z u 0 3 0 9 y 4 0 d 1b f 3 m 0 2 0 10 h 2 o k 1 1s 6 2 0 2 3 2 e 2 9 8 1a 13 7 3 1 3 l 2 6 2 1 2 4 4 0 j 0 d 4 v 9 2 0 3 0 2 11 2 0 q 0 2 0 19 1g j 3 l 2 v 1b l 1 2 0 55 1a 16 3 11 1b l 0 1o 16 e 0 20 q 12 6 56 17 39 1r w 7 3 0 3 7 2 1 2 n g 0 2 0 2n 7 3 12 h 0 2 0 t 0 b 13 8 0 m 0 c 19 k 0 j 20 5k w w 8 2 10 i 0 1e t 35 6 2 1 2 11 m 0 q 5 2 1 2 v f 0 o 17 79 i g 0 2 c 2 x 3h 0 28 pl 2v 32 i 5f 219 2o g tr i 5 q 32y 6 g6 5a2 t 1cz fs 8 u i 26 i t j 1b h 3 w k 6 i c1 18 5w 1r x o 3 o 19 22 6 0 1v c 1t 1 2 0 f 4 a 5p1 16 v 2q 36 6pq 3 2 6 2 1 2 82 g 0 u 2 3 0 f 3 9 az 1s5 2y 6 c 4 8 8 9 4mf 2c 2 1y 2 1 3 0 3 1 3 3 2 b 2 0 2 6 2 1s 2 3 3 7 2 6 2 r 2 3 2 4 2 0 4 6 2 9f 3 o 2 o 2 u 2 o 2 u 2 o 2 u 2 o 2 u 2 o 2 7 1f9 u 7 5 7a 1p 43 18 b 6 h 0 8y t j 17 dh r 6d t 3 0 5s u 2 2 2 1 2 6 3 4 a 1 69 6 2 3 2 1 2 e 2 5g 1o 1v 8 0 xh 3 2 q 2 1 2 0 3 0 2 9 2 3 2 0 2 0 7 0 5 0 2 0 2 0 2 2 2 1 2 0 3 0 2 0 2 0 2 0 2 0 2 1 2 0 3 3 2 6 2 3 2 3 2 0 2 9 2 g 6 2 2 4 2 g 3et wyn x 3dp 3 4gd 3 5rk g h9 1wj f1 15v 3t6 6 6jt"); +} +function initLargeIdContinueRanges() { + return restoreRanges("53 0 g9 33 o 0 70 4 7e 18 2 0 2 1 2 1 2 0 21 a 1d u 7 0 2u 6 3 5 3 1 2 3 3 9 o 0 v q 2k a g 9 y 8 a 0 p 3 2 8 2 2 2 4 18 2 1o 8 17 n 2 w 1j 2 2 h 2 6 b 1 3 9 i 2 1l 0 2 6 3 1 3 2 a 0 b 1 3 9 f 0 3 2 1l 0 2 4 5 1 3 2 4 0 l b 4 0 c 2 1l 0 2 7 2 2 2 2 l 1 3 9 b 5 2 2 1l 0 2 6 3 1 3 2 8 2 b 1 3 9 j 0 1o 4 4 2 2 3 a 0 f 9 h 4 1k 0 2 6 2 2 2 3 8 1 c 1 3 9 i 2 1l 0 2 6 2 2 2 3 8 1 c 1 3 9 4 0 d 3 1k 1 2 6 2 2 2 3 a 0 b 1 3 9 i 2 1z 0 5 5 2 0 2 7 7 9 3 1 1q 0 3 6 d 7 2 9 2g 0 3 8 c 6 2 9 1r 1 7 9 c 0 2 0 2 0 5 1 1e j 2 1 6 a 2 z a 0 2t j 2 9 d 3 5 2 2 2 3 6 4 3 e b 2 e jk 2 a 8 pt 3 t 2 u 1 v 1 1t v a 0 3 9 y 2 2 a 40 0 3b b 5 b b 9 3l a 1p 4 1m 9 2 s 3 a 7 9 n d 2 u 3 b l 4 1c g c 9 i 8 d 2 v c 3 9 19 d 1d j 9 9 7 9 3b 2 2 k 5 0 7 0 3 2 5j 1r el 1 1e 1 k 0 3g c 5 0 4 b 2db 2 3y 0 2p v ff 5 2y 1 2p 0 n51 9 1y 0 5 9 x 1 29 1 7l 0 4 0 5 0 o 4 5 0 2c 1 1f h b 9 7 h e a t 7 q c 19 3 1c d g 9 c 0 b 9 1c d d 0 9 1 3 9 y 2 1f 0 2 2 3 1 6 1 2 0 16 4 6 1 6l 7 2 1 3 9 fmt 0 ki f h f 4 1 p 2 5d 9 12 0 12 0 ig 0 6b 0 46 4 86 9 120 2 2 1 6 3 15 2 5 0 4m 1 fy 3 9 9 7 9 w 4 8u 1 26 5 1z a 1e 3 3f 2 1i e w a 3 1 b 3 1a a 8 0 1a 9 7 2 11 d 2 9 6 1 19 0 d 2 1d d 9 3 2 b 2b b 7 0 3 0 4e b 6 9 7 3 1k 1 2 6 3 1 3 2 a 0 b 1 3 6 4 4 1w 8 2 0 3 0 2 3 2 4 2 0 f 1 2b h a 9 5 0 2a j d 9 5y 6 3 8 s 1 2b g g 9 2a c 9 9 7 j 1m e 5 9 6r e 4m 9 1z 5 2 1 3 3 2 0 2 1 d 9 3c 6 3 6 4 0 t 9 15 6 2 3 9 0 a a 1b f 5j 7 3t 9 1i 7 2 7 h 9 1l l 2 d 3f 5 4 0 2 1 2 6 2 0 9 9 1d 4 2 1 2 4 9 9 1j 9 7e 3 a 1 2 0 1d 6 4 4 e a 44m 0 7 e 8uh r 1t3 9 2f 9 13 4 1o 6 q 9 ev 9 d2 0 2 1i 8 3 2a 0 c 1 f58 1 382 9 ef 19 3 m f3 4 4 5 9 7 3 6 v 3 45 2 13e 1d e9 1i 5 1d 9 0 f 0 n 4 2 e 11t 6 2 g 3 6 2 1 2 4 2t 0 4h 6 a 9 9x 0 1q d dv d 6t 1 2 9 6h 0 3 0 8 1 6 0 d7 6 32 6 6 9 3o7 9 gvt3 6n"); +} +function isInRange(cp, ranges) { + let l = 0, r = (ranges.length / 2) | 0, i = 0, min = 0, max = 0; + while (l < r) { + i = ((l + r) / 2) | 0; + min = ranges[2 * i]; + max = ranges[2 * i + 1]; + if (cp < min) { + r = i; + } + else if (cp > max) { + l = i + 1; + } + else { + return true; + } + } + return false; +} +function restoreRanges(data) { + let last = 0; + return data.split(" ").map((s) => (last += parseInt(s, 36) | 0)); +} + +class DataSet { + constructor(raw2018, raw2019, raw2020, raw2021, raw2022, raw2023, raw2024, raw2025, raw2026) { + this._raw2018 = raw2018; + this._raw2019 = raw2019; + this._raw2020 = raw2020; + this._raw2021 = raw2021; + this._raw2022 = raw2022; + this._raw2023 = raw2023; + this._raw2024 = raw2024; + this._raw2025 = raw2025; + this._raw2026 = raw2026; + } + get es2018() { + var _a; + return ((_a = this._set2018) !== null && _a !== void 0 ? _a : (this._set2018 = new Set(this._raw2018.split(" ")))); + } + get es2019() { + var _a; + return ((_a = this._set2019) !== null && _a !== void 0 ? _a : (this._set2019 = new Set(this._raw2019.split(" ")))); + } + get es2020() { + var _a; + return ((_a = this._set2020) !== null && _a !== void 0 ? _a : (this._set2020 = new Set(this._raw2020.split(" ")))); + } + get es2021() { + var _a; + return ((_a = this._set2021) !== null && _a !== void 0 ? _a : (this._set2021 = new Set(this._raw2021.split(" ")))); + } + get es2022() { + var _a; + return ((_a = this._set2022) !== null && _a !== void 0 ? _a : (this._set2022 = new Set(this._raw2022.split(" ")))); + } + get es2023() { + var _a; + return ((_a = this._set2023) !== null && _a !== void 0 ? _a : (this._set2023 = new Set(this._raw2023.split(" ")))); + } + get es2024() { + var _a; + return ((_a = this._set2024) !== null && _a !== void 0 ? _a : (this._set2024 = new Set(this._raw2024.split(" ")))); + } + get es2025() { + var _a; + return ((_a = this._set2025) !== null && _a !== void 0 ? _a : (this._set2025 = new Set(this._raw2025.split(" ")))); + } + get es2026() { + var _a; + return ((_a = this._set2026) !== null && _a !== void 0 ? _a : (this._set2026 = new Set(this._raw2026.split(" ")))); + } +} +const gcNameSet = new Set(["General_Category", "gc"]); +const scNameSet = new Set(["Script", "Script_Extensions", "sc", "scx"]); +const gcValueSets = new DataSet("C Cased_Letter Cc Cf Close_Punctuation Cn Co Combining_Mark Connector_Punctuation Control Cs Currency_Symbol Dash_Punctuation Decimal_Number Enclosing_Mark Final_Punctuation Format Initial_Punctuation L LC Letter Letter_Number Line_Separator Ll Lm Lo Lowercase_Letter Lt Lu M Mark Math_Symbol Mc Me Mn Modifier_Letter Modifier_Symbol N Nd Nl No Nonspacing_Mark Number Open_Punctuation Other Other_Letter Other_Number Other_Punctuation Other_Symbol P Paragraph_Separator Pc Pd Pe Pf Pi Po Private_Use Ps Punctuation S Sc Separator Sk Sm So Space_Separator Spacing_Mark Surrogate Symbol Titlecase_Letter Unassigned Uppercase_Letter Z Zl Zp Zs cntrl digit punct", "", "", "", "", "", "", "", ""); +const scValueSets = new DataSet("Adlam Adlm Aghb Ahom Anatolian_Hieroglyphs Arab Arabic Armenian Armi Armn Avestan Avst Bali Balinese Bamu Bamum Bass Bassa_Vah Batak Batk Beng Bengali Bhaiksuki Bhks Bopo Bopomofo Brah Brahmi Brai Braille Bugi Buginese Buhd Buhid Cakm Canadian_Aboriginal Cans Cari Carian Caucasian_Albanian Chakma Cham Cher Cherokee Common Copt Coptic Cprt Cuneiform Cypriot Cyrillic Cyrl Deseret Deva Devanagari Dsrt Dupl Duployan Egyp Egyptian_Hieroglyphs Elba Elbasan Ethi Ethiopic Geor Georgian Glag Glagolitic Gonm Goth Gothic Gran Grantha Greek Grek Gujarati Gujr Gurmukhi Guru Han Hang Hangul Hani Hano Hanunoo Hatr Hatran Hebr Hebrew Hira Hiragana Hluw Hmng Hung Imperial_Aramaic Inherited Inscriptional_Pahlavi Inscriptional_Parthian Ital Java Javanese Kaithi Kali Kana Kannada Katakana Kayah_Li Khar Kharoshthi Khmer Khmr Khoj Khojki Khudawadi Knda Kthi Lana Lao Laoo Latin Latn Lepc Lepcha Limb Limbu Lina Linb Linear_A Linear_B Lisu Lyci Lycian Lydi Lydian Mahajani Mahj Malayalam Mand Mandaic Mani Manichaean Marc Marchen Masaram_Gondi Meetei_Mayek Mend Mende_Kikakui Merc Mero Meroitic_Cursive Meroitic_Hieroglyphs Miao Mlym Modi Mong Mongolian Mro Mroo Mtei Mult Multani Myanmar Mymr Nabataean Narb Nbat New_Tai_Lue Newa Nko Nkoo Nshu Nushu Ogam Ogham Ol_Chiki Olck Old_Hungarian Old_Italic Old_North_Arabian Old_Permic Old_Persian Old_South_Arabian Old_Turkic Oriya Orkh Orya Osage Osge Osma Osmanya Pahawh_Hmong Palm Palmyrene Pau_Cin_Hau Pauc Perm Phag Phags_Pa Phli Phlp Phnx Phoenician Plrd Prti Psalter_Pahlavi Qaac Qaai Rejang Rjng Runic Runr Samaritan Samr Sarb Saur Saurashtra Sgnw Sharada Shavian Shaw Shrd Sidd Siddham SignWriting Sind Sinh Sinhala Sora Sora_Sompeng Soyo Soyombo Sund Sundanese Sylo Syloti_Nagri Syrc Syriac Tagalog Tagb Tagbanwa Tai_Le Tai_Tham Tai_Viet Takr Takri Tale Talu Tamil Taml Tang Tangut Tavt Telu Telugu Tfng Tglg Thaa Thaana Thai Tibetan Tibt Tifinagh Tirh Tirhuta Ugar Ugaritic Vai Vaii Wara Warang_Citi Xpeo Xsux Yi Yiii Zanabazar_Square Zanb Zinh Zyyy", "Dogr Dogra Gong Gunjala_Gondi Hanifi_Rohingya Maka Makasar Medefaidrin Medf Old_Sogdian Rohg Sogd Sogdian Sogo", "Elym Elymaic Hmnp Nand Nandinagari Nyiakeng_Puachue_Hmong Wancho Wcho", "Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi", "Cpmn Cypro_Minoan Old_Uyghur Ougr Tangsa Tnsa Toto Vith Vithkuqi", "Berf Beria_Erfe Gara Garay Gukh Gurung_Khema Hrkt Katakana_Or_Hiragana Kawi Kirat_Rai Krai Nag_Mundari Nagm Ol_Onal Onao Sidetic Sidt Sunu Sunuwar Tai_Yo Tayo Todhri Todr Tolong_Siki Tols Tulu_Tigalari Tutg Unknown Zzzz", "", "", ""); +const binPropertySets = new DataSet("AHex ASCII ASCII_Hex_Digit Alpha Alphabetic Any Assigned Bidi_C Bidi_Control Bidi_M Bidi_Mirrored CI CWCF CWCM CWKCF CWL CWT CWU Case_Ignorable Cased Changes_When_Casefolded Changes_When_Casemapped Changes_When_Lowercased Changes_When_NFKC_Casefolded Changes_When_Titlecased Changes_When_Uppercased DI Dash Default_Ignorable_Code_Point Dep Deprecated Dia Diacritic Emoji Emoji_Component Emoji_Modifier Emoji_Modifier_Base Emoji_Presentation Ext Extender Gr_Base Gr_Ext Grapheme_Base Grapheme_Extend Hex Hex_Digit IDC IDS IDSB IDST IDS_Binary_Operator IDS_Trinary_Operator ID_Continue ID_Start Ideo Ideographic Join_C Join_Control LOE Logical_Order_Exception Lower Lowercase Math NChar Noncharacter_Code_Point Pat_Syn Pat_WS Pattern_Syntax Pattern_White_Space QMark Quotation_Mark RI Radical Regional_Indicator SD STerm Sentence_Terminal Soft_Dotted Term Terminal_Punctuation UIdeo Unified_Ideograph Upper Uppercase VS Variation_Selector White_Space XIDC XIDS XID_Continue XID_Start space", "Extended_Pictographic", "", "EBase EComp EMod EPres ExtPict", "", "", "", "", ""); +const binPropertyOfStringsSets = new DataSet("", "", "", "", "", "", "Basic_Emoji Emoji_Keycap_Sequence RGI_Emoji RGI_Emoji_Flag_Sequence RGI_Emoji_Modifier_Sequence RGI_Emoji_Tag_Sequence RGI_Emoji_ZWJ_Sequence", "", ""); +function isValidUnicodeProperty(version, name, value) { + if (gcNameSet.has(name)) { + return version >= 2018 && gcValueSets.es2018.has(value); + } + if (scNameSet.has(name)) { + return ((version >= 2018 && scValueSets.es2018.has(value)) || + (version >= 2019 && scValueSets.es2019.has(value)) || + (version >= 2020 && scValueSets.es2020.has(value)) || + (version >= 2021 && scValueSets.es2021.has(value)) || + (version >= 2022 && scValueSets.es2022.has(value)) || + (version >= 2023 && scValueSets.es2023.has(value))); + } + return false; +} +function isValidLoneUnicodeProperty(version, value) { + return ((version >= 2018 && binPropertySets.es2018.has(value)) || + (version >= 2019 && binPropertySets.es2019.has(value)) || + (version >= 2021 && binPropertySets.es2021.has(value))); +} +function isValidLoneUnicodePropertyOfString(version, value) { + return version >= 2024 && binPropertyOfStringsSets.es2024.has(value); +} + +const BACKSPACE = 0x08; +const CHARACTER_TABULATION = 0x09; +const LINE_FEED = 0x0a; +const LINE_TABULATION = 0x0b; +const FORM_FEED = 0x0c; +const CARRIAGE_RETURN = 0x0d; +const EXCLAMATION_MARK = 0x21; +const NUMBER_SIGN = 0x23; +const DOLLAR_SIGN = 0x24; +const PERCENT_SIGN = 0x25; +const AMPERSAND = 0x26; +const LEFT_PARENTHESIS = 0x28; +const RIGHT_PARENTHESIS = 0x29; +const ASTERISK = 0x2a; +const PLUS_SIGN = 0x2b; +const COMMA = 0x2c; +const HYPHEN_MINUS = 0x2d; +const FULL_STOP = 0x2e; +const SOLIDUS = 0x2f; +const DIGIT_ZERO = 0x30; +const DIGIT_ONE = 0x31; +const DIGIT_SEVEN = 0x37; +const DIGIT_NINE = 0x39; +const COLON = 0x3a; +const SEMICOLON = 0x3b; +const LESS_THAN_SIGN = 0x3c; +const EQUALS_SIGN = 0x3d; +const GREATER_THAN_SIGN = 0x3e; +const QUESTION_MARK = 0x3f; +const COMMERCIAL_AT = 0x40; +const LATIN_CAPITAL_LETTER_A = 0x41; +const LATIN_CAPITAL_LETTER_B = 0x42; +const LATIN_CAPITAL_LETTER_D = 0x44; +const LATIN_CAPITAL_LETTER_F = 0x46; +const LATIN_CAPITAL_LETTER_P = 0x50; +const LATIN_CAPITAL_LETTER_S = 0x53; +const LATIN_CAPITAL_LETTER_W = 0x57; +const LATIN_CAPITAL_LETTER_Z = 0x5a; +const LOW_LINE = 0x5f; +const LATIN_SMALL_LETTER_A = 0x61; +const LATIN_SMALL_LETTER_B = 0x62; +const LATIN_SMALL_LETTER_C = 0x63; +const LATIN_SMALL_LETTER_D = 0x64; +const LATIN_SMALL_LETTER_F = 0x66; +const LATIN_SMALL_LETTER_G = 0x67; +const LATIN_SMALL_LETTER_I = 0x69; +const LATIN_SMALL_LETTER_K = 0x6b; +const LATIN_SMALL_LETTER_M = 0x6d; +const LATIN_SMALL_LETTER_N = 0x6e; +const LATIN_SMALL_LETTER_P = 0x70; +const LATIN_SMALL_LETTER_Q = 0x71; +const LATIN_SMALL_LETTER_R = 0x72; +const LATIN_SMALL_LETTER_S = 0x73; +const LATIN_SMALL_LETTER_T = 0x74; +const LATIN_SMALL_LETTER_U = 0x75; +const LATIN_SMALL_LETTER_V = 0x76; +const LATIN_SMALL_LETTER_W = 0x77; +const LATIN_SMALL_LETTER_X = 0x78; +const LATIN_SMALL_LETTER_Y = 0x79; +const LATIN_SMALL_LETTER_Z = 0x7a; +const LEFT_SQUARE_BRACKET = 0x5b; +const REVERSE_SOLIDUS = 0x5c; +const RIGHT_SQUARE_BRACKET = 0x5d; +const CIRCUMFLEX_ACCENT = 0x5e; +const GRAVE_ACCENT = 0x60; +const LEFT_CURLY_BRACKET = 0x7b; +const VERTICAL_LINE = 0x7c; +const RIGHT_CURLY_BRACKET = 0x7d; +const TILDE = 0x7e; +const ZERO_WIDTH_NON_JOINER = 0x200c; +const ZERO_WIDTH_JOINER = 0x200d; +const LINE_SEPARATOR = 0x2028; +const PARAGRAPH_SEPARATOR = 0x2029; +const MIN_CODE_POINT = 0x00; +const MAX_CODE_POINT = 0x10ffff; +function isLatinLetter(code) { + return ((code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_Z) || + (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_Z)); +} +function isDecimalDigit(code) { + return code >= DIGIT_ZERO && code <= DIGIT_NINE; +} +function isOctalDigit(code) { + return code >= DIGIT_ZERO && code <= DIGIT_SEVEN; +} +function isHexDigit(code) { + return ((code >= DIGIT_ZERO && code <= DIGIT_NINE) || + (code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_F) || + (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_F)); +} +function isLineTerminator(code) { + return (code === LINE_FEED || + code === CARRIAGE_RETURN || + code === LINE_SEPARATOR || + code === PARAGRAPH_SEPARATOR); +} +function isValidUnicode(code) { + return code >= MIN_CODE_POINT && code <= MAX_CODE_POINT; +} +function digitToInt(code) { + if (code >= LATIN_SMALL_LETTER_A && code <= LATIN_SMALL_LETTER_F) { + return code - LATIN_SMALL_LETTER_A + 10; + } + if (code >= LATIN_CAPITAL_LETTER_A && code <= LATIN_CAPITAL_LETTER_F) { + return code - LATIN_CAPITAL_LETTER_A + 10; + } + return code - DIGIT_ZERO; +} +function isLeadSurrogate(code) { + return code >= 0xd800 && code <= 0xdbff; +} +function isTrailSurrogate(code) { + return code >= 0xdc00 && code <= 0xdfff; +} +function combineSurrogatePair(lead, trail) { + return (lead - 0xd800) * 0x400 + (trail - 0xdc00) + 0x10000; +} + +class GroupSpecifiersAsES2018 { + constructor() { + this.groupName = new Set(); + } + clear() { + this.groupName.clear(); + } + isEmpty() { + return !this.groupName.size; + } + hasInPattern(name) { + return this.groupName.has(name); + } + hasInScope(name) { + return this.hasInPattern(name); + } + addToScope(name) { + this.groupName.add(name); + } + enterDisjunction() { + } + enterAlternative() { + } + leaveDisjunction() { + } +} +class BranchID { + constructor(parent, base) { + this.parent = parent; + this.base = base !== null && base !== void 0 ? base : this; + } + separatedFrom(other) { + var _a, _b; + if (this.base === other.base && this !== other) { + return true; + } + if (other.parent && this.separatedFrom(other.parent)) { + return true; + } + return (_b = (_a = this.parent) === null || _a === void 0 ? void 0 : _a.separatedFrom(other)) !== null && _b !== void 0 ? _b : false; + } + child() { + return new BranchID(this, null); + } + sibling() { + return new BranchID(this.parent, this.base); + } +} +class GroupSpecifiersAsES2025 { + constructor() { + this.branchID = new BranchID(null, null); + this.groupNames = new Map(); + } + clear() { + this.branchID = new BranchID(null, null); + this.groupNames.clear(); + } + isEmpty() { + return !this.groupNames.size; + } + enterDisjunction() { + this.branchID = this.branchID.child(); + } + enterAlternative(index) { + if (index === 0) { + return; + } + this.branchID = this.branchID.sibling(); + } + leaveDisjunction() { + this.branchID = this.branchID.parent; + } + hasInPattern(name) { + return this.groupNames.has(name); + } + hasInScope(name) { + const branches = this.groupNames.get(name); + if (!branches) { + return false; + } + for (const branch of branches) { + if (!branch.separatedFrom(this.branchID)) { + return true; + } + } + return false; + } + addToScope(name) { + const branches = this.groupNames.get(name); + if (branches) { + branches.push(this.branchID); + return; + } + this.groupNames.set(name, [this.branchID]); + } +} + +const legacyImpl = { + at(s, end, i) { + return i < end ? s.charCodeAt(i) : -1; + }, + width(c) { + return 1; + }, +}; +const unicodeImpl = { + at(s, end, i) { + return i < end ? s.codePointAt(i) : -1; + }, + width(c) { + return c > 0xffff ? 2 : 1; + }, +}; +class Reader { + constructor() { + this._impl = legacyImpl; + this._s = ""; + this._i = 0; + this._end = 0; + this._cp1 = -1; + this._w1 = 1; + this._cp2 = -1; + this._w2 = 1; + this._cp3 = -1; + this._w3 = 1; + this._cp4 = -1; + } + get source() { + return this._s; + } + get index() { + return this._i; + } + get currentCodePoint() { + return this._cp1; + } + get nextCodePoint() { + return this._cp2; + } + get nextCodePoint2() { + return this._cp3; + } + get nextCodePoint3() { + return this._cp4; + } + reset(source, start, end, uFlag) { + this._impl = uFlag ? unicodeImpl : legacyImpl; + this._s = source; + this._end = end; + this.rewind(start); + } + rewind(index) { + const impl = this._impl; + this._i = index; + this._cp1 = impl.at(this._s, this._end, index); + this._w1 = impl.width(this._cp1); + this._cp2 = impl.at(this._s, this._end, index + this._w1); + this._w2 = impl.width(this._cp2); + this._cp3 = impl.at(this._s, this._end, index + this._w1 + this._w2); + this._w3 = impl.width(this._cp3); + this._cp4 = impl.at(this._s, this._end, index + this._w1 + this._w2 + this._w3); + } + advance() { + if (this._cp1 !== -1) { + const impl = this._impl; + this._i += this._w1; + this._cp1 = this._cp2; + this._w1 = this._w2; + this._cp2 = this._cp3; + this._w2 = impl.width(this._cp2); + this._cp3 = this._cp4; + this._w3 = impl.width(this._cp3); + this._cp4 = impl.at(this._s, this._end, this._i + this._w1 + this._w2 + this._w3); + } + } + eat(cp) { + if (this._cp1 === cp) { + this.advance(); + return true; + } + return false; + } + eat2(cp1, cp2) { + if (this._cp1 === cp1 && this._cp2 === cp2) { + this.advance(); + this.advance(); + return true; + } + return false; + } + eat3(cp1, cp2, cp3) { + if (this._cp1 === cp1 && this._cp2 === cp2 && this._cp3 === cp3) { + this.advance(); + this.advance(); + this.advance(); + return true; + } + return false; + } +} + +class RegExpSyntaxError extends SyntaxError { + constructor(message, index) { + super(message); + this.index = index; + } +} +function newRegExpSyntaxError(srcCtx, flags, index, message) { + let source = ""; + if (srcCtx.kind === "literal") { + const literal = srcCtx.source.slice(srcCtx.start, srcCtx.end); + if (literal) { + source = `: ${literal}`; + } + } + else if (srcCtx.kind === "pattern") { + const pattern = srcCtx.source.slice(srcCtx.start, srcCtx.end); + const flagsText = `${flags.unicode ? "u" : ""}${flags.unicodeSets ? "v" : ""}`; + source = `: /${pattern}/${flagsText}`; + } + return new RegExpSyntaxError(`Invalid regular expression${source}: ${message}`, index); +} + +const SYNTAX_CHARACTER = new Set([ + CIRCUMFLEX_ACCENT, + DOLLAR_SIGN, + REVERSE_SOLIDUS, + FULL_STOP, + ASTERISK, + PLUS_SIGN, + QUESTION_MARK, + LEFT_PARENTHESIS, + RIGHT_PARENTHESIS, + LEFT_SQUARE_BRACKET, + RIGHT_SQUARE_BRACKET, + LEFT_CURLY_BRACKET, + RIGHT_CURLY_BRACKET, + VERTICAL_LINE, +]); +const CLASS_SET_RESERVED_DOUBLE_PUNCTUATOR_CHARACTER = new Set([ + AMPERSAND, + EXCLAMATION_MARK, + NUMBER_SIGN, + DOLLAR_SIGN, + PERCENT_SIGN, + ASTERISK, + PLUS_SIGN, + COMMA, + FULL_STOP, + COLON, + SEMICOLON, + LESS_THAN_SIGN, + EQUALS_SIGN, + GREATER_THAN_SIGN, + QUESTION_MARK, + COMMERCIAL_AT, + CIRCUMFLEX_ACCENT, + GRAVE_ACCENT, + TILDE, +]); +const CLASS_SET_SYNTAX_CHARACTER = new Set([ + LEFT_PARENTHESIS, + RIGHT_PARENTHESIS, + LEFT_SQUARE_BRACKET, + RIGHT_SQUARE_BRACKET, + LEFT_CURLY_BRACKET, + RIGHT_CURLY_BRACKET, + SOLIDUS, + HYPHEN_MINUS, + REVERSE_SOLIDUS, + VERTICAL_LINE, +]); +const CLASS_SET_RESERVED_PUNCTUATOR = new Set([ + AMPERSAND, + HYPHEN_MINUS, + EXCLAMATION_MARK, + NUMBER_SIGN, + PERCENT_SIGN, + COMMA, + COLON, + SEMICOLON, + LESS_THAN_SIGN, + EQUALS_SIGN, + GREATER_THAN_SIGN, + COMMERCIAL_AT, + GRAVE_ACCENT, + TILDE, +]); +const FLAG_PROP_TO_CODEPOINT = { + global: LATIN_SMALL_LETTER_G, + ignoreCase: LATIN_SMALL_LETTER_I, + multiline: LATIN_SMALL_LETTER_M, + unicode: LATIN_SMALL_LETTER_U, + sticky: LATIN_SMALL_LETTER_Y, + dotAll: LATIN_SMALL_LETTER_S, + hasIndices: LATIN_SMALL_LETTER_D, + unicodeSets: LATIN_SMALL_LETTER_V, +}; +const FLAG_CODEPOINT_TO_PROP = Object.fromEntries(Object.entries(FLAG_PROP_TO_CODEPOINT).map(([k, v]) => [v, k])); +function isSyntaxCharacter(cp) { + return SYNTAX_CHARACTER.has(cp); +} +function isClassSetReservedDoublePunctuatorCharacter(cp) { + return CLASS_SET_RESERVED_DOUBLE_PUNCTUATOR_CHARACTER.has(cp); +} +function isClassSetSyntaxCharacter(cp) { + return CLASS_SET_SYNTAX_CHARACTER.has(cp); +} +function isClassSetReservedPunctuator(cp) { + return CLASS_SET_RESERVED_PUNCTUATOR.has(cp); +} +function isIdentifierStartChar(cp) { + return isIdStart(cp) || cp === DOLLAR_SIGN || cp === LOW_LINE; +} +function isIdentifierPartChar(cp) { + return (isIdContinue(cp) || + cp === DOLLAR_SIGN || + cp === ZERO_WIDTH_NON_JOINER || + cp === ZERO_WIDTH_JOINER); +} +function isUnicodePropertyNameCharacter(cp) { + return isLatinLetter(cp) || cp === LOW_LINE; +} +function isUnicodePropertyValueCharacter(cp) { + return isUnicodePropertyNameCharacter(cp) || isDecimalDigit(cp); +} +function isRegularExpressionModifier(ch) { + return (ch === LATIN_SMALL_LETTER_I || + ch === LATIN_SMALL_LETTER_M || + ch === LATIN_SMALL_LETTER_S); +} +class RegExpValidator { + constructor(options) { + this._reader = new Reader(); + this._unicodeMode = false; + this._unicodeSetsMode = false; + this._nFlag = false; + this._lastIntValue = 0; + this._lastRange = { + min: 0, + max: Number.POSITIVE_INFINITY, + }; + this._lastStrValue = ""; + this._lastAssertionIsQuantifiable = false; + this._numCapturingParens = 0; + this._backreferenceNames = new Set(); + this._srcCtx = null; + this._options = options !== null && options !== void 0 ? options : {}; + this._groupSpecifiers = + this.ecmaVersion >= 2025 + ? new GroupSpecifiersAsES2025() + : new GroupSpecifiersAsES2018(); + } + validateLiteral(source, start = 0, end = source.length) { + this._srcCtx = { source, start, end, kind: "literal" }; + this._unicodeSetsMode = this._unicodeMode = this._nFlag = false; + this.reset(source, start, end); + this.onLiteralEnter(start); + if (this.eat(SOLIDUS) && this.eatRegExpBody() && this.eat(SOLIDUS)) { + const flagStart = this.index; + const unicode = source.includes("u", flagStart); + const unicodeSets = source.includes("v", flagStart); + this.validateFlagsInternal(source, flagStart, end); + this.validatePatternInternal(source, start + 1, flagStart - 1, { + unicode, + unicodeSets, + }); + } + else if (start >= end) { + this.raise("Empty"); + } + else { + const c = String.fromCodePoint(this.currentCodePoint); + this.raise(`Unexpected character '${c}'`); + } + this.onLiteralLeave(start, end); + } + validateFlags(source, start = 0, end = source.length) { + this._srcCtx = { source, start, end, kind: "flags" }; + this.validateFlagsInternal(source, start, end); + } + validatePattern(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + this._srcCtx = { source, start, end, kind: "pattern" }; + this.validatePatternInternal(source, start, end, uFlagOrFlags); + } + validatePatternInternal(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + const mode = this._parseFlagsOptionToMode(uFlagOrFlags, end); + this._unicodeMode = mode.unicodeMode; + this._nFlag = mode.nFlag; + this._unicodeSetsMode = mode.unicodeSetsMode; + this.reset(source, start, end); + this.consumePattern(); + if (!this._nFlag && + this.ecmaVersion >= 2018 && + !this._groupSpecifiers.isEmpty()) { + this._nFlag = true; + this.rewind(start); + this.consumePattern(); + } + } + validateFlagsInternal(source, start, end) { + const flags = this.parseFlags(source, start, end); + this.onRegExpFlags(start, end, flags); + } + _parseFlagsOptionToMode(uFlagOrFlags, sourceEnd) { + let unicode = false; + let unicodeSets = false; + if (uFlagOrFlags && this.ecmaVersion >= 2015) { + if (typeof uFlagOrFlags === "object") { + unicode = Boolean(uFlagOrFlags.unicode); + if (this.ecmaVersion >= 2024) { + unicodeSets = Boolean(uFlagOrFlags.unicodeSets); + } + } + else { + unicode = uFlagOrFlags; + } + } + if (unicode && unicodeSets) { + this.raise("Invalid regular expression flags", { + index: sourceEnd + 1, + unicode, + unicodeSets, + }); + } + const unicodeMode = unicode || unicodeSets; + const nFlag = (unicode && this.ecmaVersion >= 2018) || + unicodeSets || + Boolean(this._options.strict && this.ecmaVersion >= 2023); + const unicodeSetsMode = unicodeSets; + return { unicodeMode, nFlag, unicodeSetsMode }; + } + get strict() { + return Boolean(this._options.strict) || this._unicodeMode; + } + get ecmaVersion() { + var _a; + return (_a = this._options.ecmaVersion) !== null && _a !== void 0 ? _a : latestEcmaVersion; + } + onLiteralEnter(start) { + if (this._options.onLiteralEnter) { + this._options.onLiteralEnter(start); + } + } + onLiteralLeave(start, end) { + if (this._options.onLiteralLeave) { + this._options.onLiteralLeave(start, end); + } + } + onRegExpFlags(start, end, flags) { + if (this._options.onRegExpFlags) { + this._options.onRegExpFlags(start, end, flags); + } + if (this._options.onFlags) { + this._options.onFlags(start, end, flags.global, flags.ignoreCase, flags.multiline, flags.unicode, flags.sticky, flags.dotAll, flags.hasIndices); + } + } + onPatternEnter(start) { + if (this._options.onPatternEnter) { + this._options.onPatternEnter(start); + } + } + onPatternLeave(start, end) { + if (this._options.onPatternLeave) { + this._options.onPatternLeave(start, end); + } + } + onDisjunctionEnter(start) { + if (this._options.onDisjunctionEnter) { + this._options.onDisjunctionEnter(start); + } + } + onDisjunctionLeave(start, end) { + if (this._options.onDisjunctionLeave) { + this._options.onDisjunctionLeave(start, end); + } + } + onAlternativeEnter(start, index) { + if (this._options.onAlternativeEnter) { + this._options.onAlternativeEnter(start, index); + } + } + onAlternativeLeave(start, end, index) { + if (this._options.onAlternativeLeave) { + this._options.onAlternativeLeave(start, end, index); + } + } + onGroupEnter(start) { + if (this._options.onGroupEnter) { + this._options.onGroupEnter(start); + } + } + onGroupLeave(start, end) { + if (this._options.onGroupLeave) { + this._options.onGroupLeave(start, end); + } + } + onModifiersEnter(start) { + if (this._options.onModifiersEnter) { + this._options.onModifiersEnter(start); + } + } + onModifiersLeave(start, end) { + if (this._options.onModifiersLeave) { + this._options.onModifiersLeave(start, end); + } + } + onAddModifiers(start, end, flags) { + if (this._options.onAddModifiers) { + this._options.onAddModifiers(start, end, flags); + } + } + onRemoveModifiers(start, end, flags) { + if (this._options.onRemoveModifiers) { + this._options.onRemoveModifiers(start, end, flags); + } + } + onCapturingGroupEnter(start, name) { + if (this._options.onCapturingGroupEnter) { + this._options.onCapturingGroupEnter(start, name); + } + } + onCapturingGroupLeave(start, end, name) { + if (this._options.onCapturingGroupLeave) { + this._options.onCapturingGroupLeave(start, end, name); + } + } + onQuantifier(start, end, min, max, greedy) { + if (this._options.onQuantifier) { + this._options.onQuantifier(start, end, min, max, greedy); + } + } + onLookaroundAssertionEnter(start, kind, negate) { + if (this._options.onLookaroundAssertionEnter) { + this._options.onLookaroundAssertionEnter(start, kind, negate); + } + } + onLookaroundAssertionLeave(start, end, kind, negate) { + if (this._options.onLookaroundAssertionLeave) { + this._options.onLookaroundAssertionLeave(start, end, kind, negate); + } + } + onEdgeAssertion(start, end, kind) { + if (this._options.onEdgeAssertion) { + this._options.onEdgeAssertion(start, end, kind); + } + } + onWordBoundaryAssertion(start, end, kind, negate) { + if (this._options.onWordBoundaryAssertion) { + this._options.onWordBoundaryAssertion(start, end, kind, negate); + } + } + onAnyCharacterSet(start, end, kind) { + if (this._options.onAnyCharacterSet) { + this._options.onAnyCharacterSet(start, end, kind); + } + } + onEscapeCharacterSet(start, end, kind, negate) { + if (this._options.onEscapeCharacterSet) { + this._options.onEscapeCharacterSet(start, end, kind, negate); + } + } + onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings) { + if (this._options.onUnicodePropertyCharacterSet) { + this._options.onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings); + } + } + onCharacter(start, end, value) { + if (this._options.onCharacter) { + this._options.onCharacter(start, end, value); + } + } + onBackreference(start, end, ref) { + if (this._options.onBackreference) { + this._options.onBackreference(start, end, ref); + } + } + onCharacterClassEnter(start, negate, unicodeSets) { + if (this._options.onCharacterClassEnter) { + this._options.onCharacterClassEnter(start, negate, unicodeSets); + } + } + onCharacterClassLeave(start, end, negate) { + if (this._options.onCharacterClassLeave) { + this._options.onCharacterClassLeave(start, end, negate); + } + } + onCharacterClassRange(start, end, min, max) { + if (this._options.onCharacterClassRange) { + this._options.onCharacterClassRange(start, end, min, max); + } + } + onClassIntersection(start, end) { + if (this._options.onClassIntersection) { + this._options.onClassIntersection(start, end); + } + } + onClassSubtraction(start, end) { + if (this._options.onClassSubtraction) { + this._options.onClassSubtraction(start, end); + } + } + onClassStringDisjunctionEnter(start) { + if (this._options.onClassStringDisjunctionEnter) { + this._options.onClassStringDisjunctionEnter(start); + } + } + onClassStringDisjunctionLeave(start, end) { + if (this._options.onClassStringDisjunctionLeave) { + this._options.onClassStringDisjunctionLeave(start, end); + } + } + onStringAlternativeEnter(start, index) { + if (this._options.onStringAlternativeEnter) { + this._options.onStringAlternativeEnter(start, index); + } + } + onStringAlternativeLeave(start, end, index) { + if (this._options.onStringAlternativeLeave) { + this._options.onStringAlternativeLeave(start, end, index); + } + } + get index() { + return this._reader.index; + } + get currentCodePoint() { + return this._reader.currentCodePoint; + } + get nextCodePoint() { + return this._reader.nextCodePoint; + } + get nextCodePoint2() { + return this._reader.nextCodePoint2; + } + get nextCodePoint3() { + return this._reader.nextCodePoint3; + } + reset(source, start, end) { + this._reader.reset(source, start, end, this._unicodeMode); + } + rewind(index) { + this._reader.rewind(index); + } + advance() { + this._reader.advance(); + } + eat(cp) { + return this._reader.eat(cp); + } + eat2(cp1, cp2) { + return this._reader.eat2(cp1, cp2); + } + eat3(cp1, cp2, cp3) { + return this._reader.eat3(cp1, cp2, cp3); + } + raise(message, context) { + var _a, _b, _c; + throw newRegExpSyntaxError(this._srcCtx, { + unicode: (_a = context === null || context === void 0 ? void 0 : context.unicode) !== null && _a !== void 0 ? _a : (this._unicodeMode && !this._unicodeSetsMode), + unicodeSets: (_b = context === null || context === void 0 ? void 0 : context.unicodeSets) !== null && _b !== void 0 ? _b : this._unicodeSetsMode, + }, (_c = context === null || context === void 0 ? void 0 : context.index) !== null && _c !== void 0 ? _c : this.index, message); + } + eatRegExpBody() { + const start = this.index; + let inClass = false; + let escaped = false; + for (;;) { + const cp = this.currentCodePoint; + if (cp === -1 || isLineTerminator(cp)) { + const kind = inClass ? "character class" : "regular expression"; + this.raise(`Unterminated ${kind}`); + } + if (escaped) { + escaped = false; + } + else if (cp === REVERSE_SOLIDUS) { + escaped = true; + } + else if (cp === LEFT_SQUARE_BRACKET) { + inClass = true; + } + else if (cp === RIGHT_SQUARE_BRACKET) { + inClass = false; + } + else if ((cp === SOLIDUS && !inClass) || + (cp === ASTERISK && this.index === start)) { + break; + } + this.advance(); + } + return this.index !== start; + } + consumePattern() { + const start = this.index; + this._numCapturingParens = this.countCapturingParens(); + this._groupSpecifiers.clear(); + this._backreferenceNames.clear(); + this.onPatternEnter(start); + this.consumeDisjunction(); + const cp = this.currentCodePoint; + if (this.currentCodePoint !== -1) { + if (cp === RIGHT_PARENTHESIS) { + this.raise("Unmatched ')'"); + } + if (cp === REVERSE_SOLIDUS) { + this.raise("\\ at end of pattern"); + } + if (cp === RIGHT_SQUARE_BRACKET || cp === RIGHT_CURLY_BRACKET) { + this.raise("Lone quantifier brackets"); + } + const c = String.fromCodePoint(cp); + this.raise(`Unexpected character '${c}'`); + } + for (const name of this._backreferenceNames) { + if (!this._groupSpecifiers.hasInPattern(name)) { + this.raise("Invalid named capture referenced"); + } + } + this.onPatternLeave(start, this.index); + } + countCapturingParens() { + const start = this.index; + let inClass = false; + let escaped = false; + let count = 0; + let cp = 0; + while ((cp = this.currentCodePoint) !== -1) { + if (escaped) { + escaped = false; + } + else if (cp === REVERSE_SOLIDUS) { + escaped = true; + } + else if (cp === LEFT_SQUARE_BRACKET) { + inClass = true; + } + else if (cp === RIGHT_SQUARE_BRACKET) { + inClass = false; + } + else if (cp === LEFT_PARENTHESIS && + !inClass && + (this.nextCodePoint !== QUESTION_MARK || + (this.nextCodePoint2 === LESS_THAN_SIGN && + this.nextCodePoint3 !== EQUALS_SIGN && + this.nextCodePoint3 !== EXCLAMATION_MARK))) { + count += 1; + } + this.advance(); + } + this.rewind(start); + return count; + } + consumeDisjunction() { + const start = this.index; + let i = 0; + this._groupSpecifiers.enterDisjunction(); + this.onDisjunctionEnter(start); + do { + this.consumeAlternative(i++); + } while (this.eat(VERTICAL_LINE)); + if (this.consumeQuantifier(true)) { + this.raise("Nothing to repeat"); + } + if (this.eat(LEFT_CURLY_BRACKET)) { + this.raise("Lone quantifier brackets"); + } + this.onDisjunctionLeave(start, this.index); + this._groupSpecifiers.leaveDisjunction(); + } + consumeAlternative(i) { + const start = this.index; + this._groupSpecifiers.enterAlternative(i); + this.onAlternativeEnter(start, i); + while (this.currentCodePoint !== -1 && this.consumeTerm()) { + } + this.onAlternativeLeave(start, this.index, i); + } + consumeTerm() { + if (this._unicodeMode || this.strict) { + return (this.consumeAssertion() || + (this.consumeAtom() && this.consumeOptionalQuantifier())); + } + return ((this.consumeAssertion() && + (!this._lastAssertionIsQuantifiable || + this.consumeOptionalQuantifier())) || + (this.consumeExtendedAtom() && this.consumeOptionalQuantifier())); + } + consumeOptionalQuantifier() { + this.consumeQuantifier(); + return true; + } + consumeAssertion() { + const start = this.index; + this._lastAssertionIsQuantifiable = false; + if (this.eat(CIRCUMFLEX_ACCENT)) { + this.onEdgeAssertion(start, this.index, "start"); + return true; + } + if (this.eat(DOLLAR_SIGN)) { + this.onEdgeAssertion(start, this.index, "end"); + return true; + } + if (this.eat2(REVERSE_SOLIDUS, LATIN_CAPITAL_LETTER_B)) { + this.onWordBoundaryAssertion(start, this.index, "word", true); + return true; + } + if (this.eat2(REVERSE_SOLIDUS, LATIN_SMALL_LETTER_B)) { + this.onWordBoundaryAssertion(start, this.index, "word", false); + return true; + } + if (this.eat2(LEFT_PARENTHESIS, QUESTION_MARK)) { + const lookbehind = this.ecmaVersion >= 2018 && this.eat(LESS_THAN_SIGN); + let negate = false; + if (this.eat(EQUALS_SIGN) || + (negate = this.eat(EXCLAMATION_MARK))) { + const kind = lookbehind ? "lookbehind" : "lookahead"; + this.onLookaroundAssertionEnter(start, kind, negate); + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this._lastAssertionIsQuantifiable = !lookbehind && !this.strict; + this.onLookaroundAssertionLeave(start, this.index, kind, negate); + return true; + } + this.rewind(start); + } + return false; + } + consumeQuantifier(noConsume = false) { + const start = this.index; + let min = 0; + let max = 0; + let greedy = false; + if (this.eat(ASTERISK)) { + min = 0; + max = Number.POSITIVE_INFINITY; + } + else if (this.eat(PLUS_SIGN)) { + min = 1; + max = Number.POSITIVE_INFINITY; + } + else if (this.eat(QUESTION_MARK)) { + min = 0; + max = 1; + } + else if (this.eatBracedQuantifier(noConsume)) { + ({ min, max } = this._lastRange); + } + else { + return false; + } + greedy = !this.eat(QUESTION_MARK); + if (!noConsume) { + this.onQuantifier(start, this.index, min, max, greedy); + } + return true; + } + eatBracedQuantifier(noError) { + const start = this.index; + if (this.eat(LEFT_CURLY_BRACKET)) { + if (this.eatDecimalDigits()) { + const min = this._lastIntValue; + let max = min; + if (this.eat(COMMA)) { + max = this.eatDecimalDigits() + ? this._lastIntValue + : Number.POSITIVE_INFINITY; + } + if (this.eat(RIGHT_CURLY_BRACKET)) { + if (!noError && max < min) { + this.raise("numbers out of order in {} quantifier"); + } + this._lastRange = { min, max }; + return true; + } + } + if (!noError && (this._unicodeMode || this.strict)) { + this.raise("Incomplete quantifier"); + } + this.rewind(start); + } + return false; + } + consumeAtom() { + return (this.consumePatternCharacter() || + this.consumeDot() || + this.consumeReverseSolidusAtomEscape() || + Boolean(this.consumeCharacterClass()) || + this.consumeCapturingGroup() || + this.consumeUncapturingGroup()); + } + consumeDot() { + if (this.eat(FULL_STOP)) { + this.onAnyCharacterSet(this.index - 1, this.index, "any"); + return true; + } + return false; + } + consumeReverseSolidusAtomEscape() { + const start = this.index; + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeAtomEscape()) { + return true; + } + this.rewind(start); + } + return false; + } + consumeUncapturingGroup() { + const start = this.index; + if (this.eat2(LEFT_PARENTHESIS, QUESTION_MARK)) { + this.onGroupEnter(start); + if (this.ecmaVersion >= 2025) { + this.consumeModifiers(); + } + if (!this.eat(COLON)) { + this.rewind(start + 1); + this.raise("Invalid group"); + } + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this.onGroupLeave(start, this.index); + return true; + } + return false; + } + consumeModifiers() { + const start = this.index; + const hasAddModifiers = this.eatModifiers(); + const addModifiersEnd = this.index; + const hasHyphen = this.eat(HYPHEN_MINUS); + if (!hasAddModifiers && !hasHyphen) { + return false; + } + this.onModifiersEnter(start); + const addModifiers = this.parseModifiers(start, addModifiersEnd); + this.onAddModifiers(start, addModifiersEnd, addModifiers); + if (hasHyphen) { + const modifiersStart = this.index; + if (!this.eatModifiers() && + !hasAddModifiers && + this.currentCodePoint === COLON) { + this.raise("Invalid empty flags"); + } + const modifiers = this.parseModifiers(modifiersStart, this.index); + for (const [flagName] of Object.entries(modifiers).filter(([, enable]) => enable)) { + if (addModifiers[flagName]) { + this.raise(`Duplicated flag '${String.fromCodePoint(FLAG_PROP_TO_CODEPOINT[flagName])}'`); + } + } + this.onRemoveModifiers(modifiersStart, this.index, modifiers); + } + this.onModifiersLeave(start, this.index); + return true; + } + consumeCapturingGroup() { + const start = this.index; + if (this.eat(LEFT_PARENTHESIS)) { + let name = null; + if (this.ecmaVersion >= 2018) { + if (this.consumeGroupSpecifier()) { + name = this._lastStrValue; + } + else if (this.currentCodePoint === QUESTION_MARK) { + this.rewind(start); + return false; + } + } + else if (this.currentCodePoint === QUESTION_MARK) { + this.rewind(start); + return false; + } + this.onCapturingGroupEnter(start, name); + this.consumeDisjunction(); + if (!this.eat(RIGHT_PARENTHESIS)) { + this.raise("Unterminated group"); + } + this.onCapturingGroupLeave(start, this.index, name); + return true; + } + return false; + } + consumeExtendedAtom() { + return (this.consumeDot() || + this.consumeReverseSolidusAtomEscape() || + this.consumeReverseSolidusFollowedByC() || + Boolean(this.consumeCharacterClass()) || + this.consumeCapturingGroup() || + this.consumeUncapturingGroup() || + this.consumeInvalidBracedQuantifier() || + this.consumeExtendedPatternCharacter()); + } + consumeReverseSolidusFollowedByC() { + const start = this.index; + if (this.currentCodePoint === REVERSE_SOLIDUS && + this.nextCodePoint === LATIN_SMALL_LETTER_C) { + this._lastIntValue = this.currentCodePoint; + this.advance(); + this.onCharacter(start, this.index, REVERSE_SOLIDUS); + return true; + } + return false; + } + consumeInvalidBracedQuantifier() { + if (this.eatBracedQuantifier(true)) { + this.raise("Nothing to repeat"); + } + return false; + } + consumePatternCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && !isSyntaxCharacter(cp)) { + this.advance(); + this.onCharacter(start, this.index, cp); + return true; + } + return false; + } + consumeExtendedPatternCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && + cp !== CIRCUMFLEX_ACCENT && + cp !== DOLLAR_SIGN && + cp !== REVERSE_SOLIDUS && + cp !== FULL_STOP && + cp !== ASTERISK && + cp !== PLUS_SIGN && + cp !== QUESTION_MARK && + cp !== LEFT_PARENTHESIS && + cp !== RIGHT_PARENTHESIS && + cp !== LEFT_SQUARE_BRACKET && + cp !== VERTICAL_LINE) { + this.advance(); + this.onCharacter(start, this.index, cp); + return true; + } + return false; + } + consumeGroupSpecifier() { + const start = this.index; + if (this.eat(QUESTION_MARK)) { + if (this.eatGroupName()) { + if (!this._groupSpecifiers.hasInScope(this._lastStrValue)) { + this._groupSpecifiers.addToScope(this._lastStrValue); + return true; + } + this.raise("Duplicate capture group name"); + } + this.rewind(start); + } + return false; + } + consumeAtomEscape() { + if (this.consumeBackreference() || + this.consumeCharacterClassEscape() || + this.consumeCharacterEscape() || + (this._nFlag && this.consumeKGroupName())) { + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + return false; + } + consumeBackreference() { + const start = this.index; + if (this.eatDecimalEscape()) { + const n = this._lastIntValue; + if (n <= this._numCapturingParens) { + this.onBackreference(start - 1, this.index, n); + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + consumeCharacterClassEscape() { + var _a; + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_D)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "digit", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_D)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "digit", true); + return {}; + } + if (this.eat(LATIN_SMALL_LETTER_S)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "space", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_S)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "space", true); + return {}; + } + if (this.eat(LATIN_SMALL_LETTER_W)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "word", false); + return {}; + } + if (this.eat(LATIN_CAPITAL_LETTER_W)) { + this._lastIntValue = -1; + this.onEscapeCharacterSet(start - 1, this.index, "word", true); + return {}; + } + let negate = false; + if (this._unicodeMode && + this.ecmaVersion >= 2018 && + (this.eat(LATIN_SMALL_LETTER_P) || + (negate = this.eat(LATIN_CAPITAL_LETTER_P)))) { + this._lastIntValue = -1; + let result = null; + if (this.eat(LEFT_CURLY_BRACKET) && + (result = this.eatUnicodePropertyValueExpression()) && + this.eat(RIGHT_CURLY_BRACKET)) { + if (negate && result.strings) { + this.raise("Invalid property name"); + } + this.onUnicodePropertyCharacterSet(start - 1, this.index, "property", result.key, result.value, negate, (_a = result.strings) !== null && _a !== void 0 ? _a : false); + return { mayContainStrings: result.strings }; + } + this.raise("Invalid property name"); + } + return null; + } + consumeCharacterEscape() { + const start = this.index; + if (this.eatControlEscape() || + this.eatCControlLetter() || + this.eatZero() || + this.eatHexEscapeSequence() || + this.eatRegExpUnicodeEscapeSequence() || + (!this.strict && + !this._unicodeMode && + this.eatLegacyOctalEscapeSequence()) || + this.eatIdentityEscape()) { + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + return false; + } + consumeKGroupName() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_K)) { + if (this.eatGroupName()) { + const groupName = this._lastStrValue; + this._backreferenceNames.add(groupName); + this.onBackreference(start - 1, this.index, groupName); + return true; + } + this.raise("Invalid named reference"); + } + return false; + } + consumeCharacterClass() { + const start = this.index; + if (this.eat(LEFT_SQUARE_BRACKET)) { + const negate = this.eat(CIRCUMFLEX_ACCENT); + this.onCharacterClassEnter(start, negate, this._unicodeSetsMode); + const result = this.consumeClassContents(); + if (!this.eat(RIGHT_SQUARE_BRACKET)) { + if (this.currentCodePoint === -1) { + this.raise("Unterminated character class"); + } + this.raise("Invalid character in character class"); + } + if (negate && result.mayContainStrings) { + this.raise("Negated character class may contain strings"); + } + this.onCharacterClassLeave(start, this.index, negate); + return result; + } + return null; + } + consumeClassContents() { + if (this._unicodeSetsMode) { + if (this.currentCodePoint === RIGHT_SQUARE_BRACKET) { + return {}; + } + const result = this.consumeClassSetExpression(); + return result; + } + const strict = this.strict || this._unicodeMode; + for (;;) { + const rangeStart = this.index; + if (!this.consumeClassAtom()) { + break; + } + const min = this._lastIntValue; + if (!this.eat(HYPHEN_MINUS)) { + continue; + } + this.onCharacter(this.index - 1, this.index, HYPHEN_MINUS); + if (!this.consumeClassAtom()) { + break; + } + const max = this._lastIntValue; + if (min === -1 || max === -1) { + if (strict) { + this.raise("Invalid character class"); + } + continue; + } + if (min > max) { + this.raise("Range out of order in character class"); + } + this.onCharacterClassRange(rangeStart, this.index, min, max); + } + return {}; + } + consumeClassAtom() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== -1 && + cp !== REVERSE_SOLIDUS && + cp !== RIGHT_SQUARE_BRACKET) { + this.advance(); + this._lastIntValue = cp; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeClassEscape()) { + return true; + } + if (!this.strict && + this.currentCodePoint === LATIN_SMALL_LETTER_C) { + this._lastIntValue = REVERSE_SOLIDUS; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.strict || this._unicodeMode) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + consumeClassEscape() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_B)) { + this._lastIntValue = BACKSPACE; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + if (this._unicodeMode && this.eat(HYPHEN_MINUS)) { + this._lastIntValue = HYPHEN_MINUS; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + let cp = 0; + if (!this.strict && + !this._unicodeMode && + this.currentCodePoint === LATIN_SMALL_LETTER_C && + (isDecimalDigit((cp = this.nextCodePoint)) || cp === LOW_LINE)) { + this.advance(); + this.advance(); + this._lastIntValue = cp % 0x20; + this.onCharacter(start - 1, this.index, this._lastIntValue); + return true; + } + return (Boolean(this.consumeCharacterClassEscape()) || + this.consumeCharacterEscape()); + } + consumeClassSetExpression() { + const start = this.index; + let mayContainStrings = false; + let result = null; + if (this.consumeClassSetCharacter()) { + if (this.consumeClassSetRangeFromOperator(start)) { + this.consumeClassUnionRight({}); + return {}; + } + mayContainStrings = false; + } + else if ((result = this.consumeClassSetOperand())) { + mayContainStrings = result.mayContainStrings; + } + else { + const cp = this.currentCodePoint; + if (cp === REVERSE_SOLIDUS) { + this.advance(); + this.raise("Invalid escape"); + } + if (cp === this.nextCodePoint && + isClassSetReservedDoublePunctuatorCharacter(cp)) { + this.raise("Invalid set operation in character class"); + } + this.raise("Invalid character in character class"); + } + if (this.eat2(AMPERSAND, AMPERSAND)) { + while (this.currentCodePoint !== AMPERSAND && + (result = this.consumeClassSetOperand())) { + this.onClassIntersection(start, this.index); + if (!result.mayContainStrings) { + mayContainStrings = false; + } + if (this.eat2(AMPERSAND, AMPERSAND)) { + continue; + } + return { mayContainStrings }; + } + this.raise("Invalid character in character class"); + } + if (this.eat2(HYPHEN_MINUS, HYPHEN_MINUS)) { + while (this.consumeClassSetOperand()) { + this.onClassSubtraction(start, this.index); + if (this.eat2(HYPHEN_MINUS, HYPHEN_MINUS)) { + continue; + } + return { mayContainStrings }; + } + this.raise("Invalid character in character class"); + } + return this.consumeClassUnionRight({ mayContainStrings }); + } + consumeClassUnionRight(leftResult) { + let mayContainStrings = leftResult.mayContainStrings; + for (;;) { + const start = this.index; + if (this.consumeClassSetCharacter()) { + this.consumeClassSetRangeFromOperator(start); + continue; + } + const result = this.consumeClassSetOperand(); + if (result) { + if (result.mayContainStrings) { + mayContainStrings = true; + } + continue; + } + break; + } + return { mayContainStrings }; + } + consumeClassSetRangeFromOperator(start) { + const currentStart = this.index; + const min = this._lastIntValue; + if (this.eat(HYPHEN_MINUS)) { + if (this.consumeClassSetCharacter()) { + const max = this._lastIntValue; + if (min === -1 || max === -1) { + this.raise("Invalid character class"); + } + if (min > max) { + this.raise("Range out of order in character class"); + } + this.onCharacterClassRange(start, this.index, min, max); + return true; + } + this.rewind(currentStart); + } + return false; + } + consumeClassSetOperand() { + let result = null; + if ((result = this.consumeNestedClass())) { + return result; + } + if ((result = this.consumeClassStringDisjunction())) { + return result; + } + if (this.consumeClassSetCharacter()) { + return {}; + } + return null; + } + consumeNestedClass() { + const start = this.index; + if (this.eat(LEFT_SQUARE_BRACKET)) { + const negate = this.eat(CIRCUMFLEX_ACCENT); + this.onCharacterClassEnter(start, negate, true); + const result = this.consumeClassContents(); + if (!this.eat(RIGHT_SQUARE_BRACKET)) { + this.raise("Unterminated character class"); + } + if (negate && result.mayContainStrings) { + this.raise("Negated character class may contain strings"); + } + this.onCharacterClassLeave(start, this.index, negate); + return result; + } + if (this.eat(REVERSE_SOLIDUS)) { + const result = this.consumeCharacterClassEscape(); + if (result) { + return result; + } + this.rewind(start); + } + return null; + } + consumeClassStringDisjunction() { + const start = this.index; + if (this.eat3(REVERSE_SOLIDUS, LATIN_SMALL_LETTER_Q, LEFT_CURLY_BRACKET)) { + this.onClassStringDisjunctionEnter(start); + let i = 0; + let mayContainStrings = false; + do { + if (this.consumeClassString(i++).mayContainStrings) { + mayContainStrings = true; + } + } while (this.eat(VERTICAL_LINE)); + if (this.eat(RIGHT_CURLY_BRACKET)) { + this.onClassStringDisjunctionLeave(start, this.index); + return { mayContainStrings }; + } + this.raise("Unterminated class string disjunction"); + } + return null; + } + consumeClassString(i) { + const start = this.index; + let count = 0; + this.onStringAlternativeEnter(start, i); + while (this.currentCodePoint !== -1 && + this.consumeClassSetCharacter()) { + count++; + } + this.onStringAlternativeLeave(start, this.index, i); + return { mayContainStrings: count !== 1 }; + } + consumeClassSetCharacter() { + const start = this.index; + const cp = this.currentCodePoint; + if (cp !== this.nextCodePoint || + !isClassSetReservedDoublePunctuatorCharacter(cp)) { + if (cp !== -1 && !isClassSetSyntaxCharacter(cp)) { + this._lastIntValue = cp; + this.advance(); + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + } + if (this.eat(REVERSE_SOLIDUS)) { + if (this.consumeCharacterEscape()) { + return true; + } + if (isClassSetReservedPunctuator(this.currentCodePoint)) { + this._lastIntValue = this.currentCodePoint; + this.advance(); + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + if (this.eat(LATIN_SMALL_LETTER_B)) { + this._lastIntValue = BACKSPACE; + this.onCharacter(start, this.index, this._lastIntValue); + return true; + } + this.rewind(start); + } + return false; + } + eatGroupName() { + if (this.eat(LESS_THAN_SIGN)) { + if (this.eatRegExpIdentifierName() && this.eat(GREATER_THAN_SIGN)) { + return true; + } + this.raise("Invalid capture group name"); + } + return false; + } + eatRegExpIdentifierName() { + if (this.eatRegExpIdentifierStart()) { + this._lastStrValue = String.fromCodePoint(this._lastIntValue); + while (this.eatRegExpIdentifierPart()) { + this._lastStrValue += String.fromCodePoint(this._lastIntValue); + } + return true; + } + return false; + } + eatRegExpIdentifierStart() { + const start = this.index; + const forceUFlag = !this._unicodeMode && this.ecmaVersion >= 2020; + let cp = this.currentCodePoint; + this.advance(); + if (cp === REVERSE_SOLIDUS && + this.eatRegExpUnicodeEscapeSequence(forceUFlag)) { + cp = this._lastIntValue; + } + else if (forceUFlag && + isLeadSurrogate(cp) && + isTrailSurrogate(this.currentCodePoint)) { + cp = combineSurrogatePair(cp, this.currentCodePoint); + this.advance(); + } + if (isIdentifierStartChar(cp)) { + this._lastIntValue = cp; + return true; + } + if (this.index !== start) { + this.rewind(start); + } + return false; + } + eatRegExpIdentifierPart() { + const start = this.index; + const forceUFlag = !this._unicodeMode && this.ecmaVersion >= 2020; + let cp = this.currentCodePoint; + this.advance(); + if (cp === REVERSE_SOLIDUS && + this.eatRegExpUnicodeEscapeSequence(forceUFlag)) { + cp = this._lastIntValue; + } + else if (forceUFlag && + isLeadSurrogate(cp) && + isTrailSurrogate(this.currentCodePoint)) { + cp = combineSurrogatePair(cp, this.currentCodePoint); + this.advance(); + } + if (isIdentifierPartChar(cp)) { + this._lastIntValue = cp; + return true; + } + if (this.index !== start) { + this.rewind(start); + } + return false; + } + eatCControlLetter() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_C)) { + if (this.eatControlLetter()) { + return true; + } + this.rewind(start); + } + return false; + } + eatZero() { + if (this.currentCodePoint === DIGIT_ZERO && + !isDecimalDigit(this.nextCodePoint)) { + this._lastIntValue = 0; + this.advance(); + return true; + } + return false; + } + eatControlEscape() { + if (this.eat(LATIN_SMALL_LETTER_F)) { + this._lastIntValue = FORM_FEED; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_N)) { + this._lastIntValue = LINE_FEED; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_R)) { + this._lastIntValue = CARRIAGE_RETURN; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_T)) { + this._lastIntValue = CHARACTER_TABULATION; + return true; + } + if (this.eat(LATIN_SMALL_LETTER_V)) { + this._lastIntValue = LINE_TABULATION; + return true; + } + return false; + } + eatControlLetter() { + const cp = this.currentCodePoint; + if (isLatinLetter(cp)) { + this.advance(); + this._lastIntValue = cp % 0x20; + return true; + } + return false; + } + eatRegExpUnicodeEscapeSequence(forceUFlag = false) { + const start = this.index; + const uFlag = forceUFlag || this._unicodeMode; + if (this.eat(LATIN_SMALL_LETTER_U)) { + if ((uFlag && this.eatRegExpUnicodeSurrogatePairEscape()) || + this.eatFixedHexDigits(4) || + (uFlag && this.eatRegExpUnicodeCodePointEscape())) { + return true; + } + if (this.strict || uFlag) { + this.raise("Invalid unicode escape"); + } + this.rewind(start); + } + return false; + } + eatRegExpUnicodeSurrogatePairEscape() { + const start = this.index; + if (this.eatFixedHexDigits(4)) { + const lead = this._lastIntValue; + if (isLeadSurrogate(lead) && + this.eat(REVERSE_SOLIDUS) && + this.eat(LATIN_SMALL_LETTER_U) && + this.eatFixedHexDigits(4)) { + const trail = this._lastIntValue; + if (isTrailSurrogate(trail)) { + this._lastIntValue = combineSurrogatePair(lead, trail); + return true; + } + } + this.rewind(start); + } + return false; + } + eatRegExpUnicodeCodePointEscape() { + const start = this.index; + if (this.eat(LEFT_CURLY_BRACKET) && + this.eatHexDigits() && + this.eat(RIGHT_CURLY_BRACKET) && + isValidUnicode(this._lastIntValue)) { + return true; + } + this.rewind(start); + return false; + } + eatIdentityEscape() { + const cp = this.currentCodePoint; + if (this.isValidIdentityEscape(cp)) { + this._lastIntValue = cp; + this.advance(); + return true; + } + return false; + } + isValidIdentityEscape(cp) { + if (cp === -1) { + return false; + } + if (this._unicodeMode) { + return isSyntaxCharacter(cp) || cp === SOLIDUS; + } + if (this.strict) { + return !isIdContinue(cp); + } + if (this._nFlag) { + return !(cp === LATIN_SMALL_LETTER_C || cp === LATIN_SMALL_LETTER_K); + } + return cp !== LATIN_SMALL_LETTER_C; + } + eatDecimalEscape() { + this._lastIntValue = 0; + let cp = this.currentCodePoint; + if (cp >= DIGIT_ONE && cp <= DIGIT_NINE) { + do { + this._lastIntValue = 10 * this._lastIntValue + (cp - DIGIT_ZERO); + this.advance(); + } while ((cp = this.currentCodePoint) >= DIGIT_ZERO && + cp <= DIGIT_NINE); + return true; + } + return false; + } + eatUnicodePropertyValueExpression() { + const start = this.index; + if (this.eatUnicodePropertyName() && this.eat(EQUALS_SIGN)) { + const key = this._lastStrValue; + if (this.eatUnicodePropertyValue()) { + const value = this._lastStrValue; + if (isValidUnicodeProperty(this.ecmaVersion, key, value)) { + return { + key, + value: value || null, + }; + } + this.raise("Invalid property name"); + } + } + this.rewind(start); + if (this.eatLoneUnicodePropertyNameOrValue()) { + const nameOrValue = this._lastStrValue; + if (isValidUnicodeProperty(this.ecmaVersion, "General_Category", nameOrValue)) { + return { + key: "General_Category", + value: nameOrValue || null, + }; + } + if (isValidLoneUnicodeProperty(this.ecmaVersion, nameOrValue)) { + return { + key: nameOrValue, + value: null, + }; + } + if (this._unicodeSetsMode && + isValidLoneUnicodePropertyOfString(this.ecmaVersion, nameOrValue)) { + return { + key: nameOrValue, + value: null, + strings: true, + }; + } + this.raise("Invalid property name"); + } + return null; + } + eatUnicodePropertyName() { + this._lastStrValue = ""; + while (isUnicodePropertyNameCharacter(this.currentCodePoint)) { + this._lastStrValue += String.fromCodePoint(this.currentCodePoint); + this.advance(); + } + return this._lastStrValue !== ""; + } + eatUnicodePropertyValue() { + this._lastStrValue = ""; + while (isUnicodePropertyValueCharacter(this.currentCodePoint)) { + this._lastStrValue += String.fromCodePoint(this.currentCodePoint); + this.advance(); + } + return this._lastStrValue !== ""; + } + eatLoneUnicodePropertyNameOrValue() { + return this.eatUnicodePropertyValue(); + } + eatHexEscapeSequence() { + const start = this.index; + if (this.eat(LATIN_SMALL_LETTER_X)) { + if (this.eatFixedHexDigits(2)) { + return true; + } + if (this._unicodeMode || this.strict) { + this.raise("Invalid escape"); + } + this.rewind(start); + } + return false; + } + eatDecimalDigits() { + const start = this.index; + this._lastIntValue = 0; + while (isDecimalDigit(this.currentCodePoint)) { + this._lastIntValue = + 10 * this._lastIntValue + digitToInt(this.currentCodePoint); + this.advance(); + } + return this.index !== start; + } + eatHexDigits() { + const start = this.index; + this._lastIntValue = 0; + while (isHexDigit(this.currentCodePoint)) { + this._lastIntValue = + 16 * this._lastIntValue + digitToInt(this.currentCodePoint); + this.advance(); + } + return this.index !== start; + } + eatLegacyOctalEscapeSequence() { + if (this.eatOctalDigit()) { + const n1 = this._lastIntValue; + if (this.eatOctalDigit()) { + const n2 = this._lastIntValue; + if (n1 <= 3 && this.eatOctalDigit()) { + this._lastIntValue = n1 * 64 + n2 * 8 + this._lastIntValue; + } + else { + this._lastIntValue = n1 * 8 + n2; + } + } + else { + this._lastIntValue = n1; + } + return true; + } + return false; + } + eatOctalDigit() { + const cp = this.currentCodePoint; + if (isOctalDigit(cp)) { + this.advance(); + this._lastIntValue = cp - DIGIT_ZERO; + return true; + } + this._lastIntValue = 0; + return false; + } + eatFixedHexDigits(length) { + const start = this.index; + this._lastIntValue = 0; + for (let i = 0; i < length; ++i) { + const cp = this.currentCodePoint; + if (!isHexDigit(cp)) { + this.rewind(start); + return false; + } + this._lastIntValue = 16 * this._lastIntValue + digitToInt(cp); + this.advance(); + } + return true; + } + eatModifiers() { + let ate = false; + while (isRegularExpressionModifier(this.currentCodePoint)) { + this.advance(); + ate = true; + } + return ate; + } + parseModifiers(start, end) { + const { ignoreCase, multiline, dotAll } = this.parseFlags(this._reader.source, start, end); + return { ignoreCase, multiline, dotAll }; + } + parseFlags(source, start, end) { + const flags = { + global: false, + ignoreCase: false, + multiline: false, + unicode: false, + sticky: false, + dotAll: false, + hasIndices: false, + unicodeSets: false, + }; + const validFlags = new Set(); + validFlags.add(LATIN_SMALL_LETTER_G); + validFlags.add(LATIN_SMALL_LETTER_I); + validFlags.add(LATIN_SMALL_LETTER_M); + if (this.ecmaVersion >= 2015) { + validFlags.add(LATIN_SMALL_LETTER_U); + validFlags.add(LATIN_SMALL_LETTER_Y); + if (this.ecmaVersion >= 2018) { + validFlags.add(LATIN_SMALL_LETTER_S); + if (this.ecmaVersion >= 2022) { + validFlags.add(LATIN_SMALL_LETTER_D); + if (this.ecmaVersion >= 2024) { + validFlags.add(LATIN_SMALL_LETTER_V); + } + } + } + } + for (let i = start; i < end; ++i) { + const flag = source.charCodeAt(i); + if (validFlags.has(flag)) { + const prop = FLAG_CODEPOINT_TO_PROP[flag]; + if (flags[prop]) { + this.raise(`Duplicated flag '${source[i]}'`, { + index: start, + }); + } + flags[prop] = true; + } + else { + this.raise(`Invalid flag '${source[i]}'`, { index: start }); + } + } + return flags; + } +} + +const DUMMY_PATTERN = {}; +const DUMMY_FLAGS = {}; +const DUMMY_CAPTURING_GROUP = {}; +function isClassSetOperand(node) { + return (node.type === "Character" || + node.type === "CharacterSet" || + node.type === "CharacterClass" || + node.type === "ExpressionCharacterClass" || + node.type === "ClassStringDisjunction"); +} +class RegExpParserState { + constructor(options) { + var _a; + this._node = DUMMY_PATTERN; + this._expressionBufferMap = new Map(); + this._flags = DUMMY_FLAGS; + this._backreferences = []; + this._capturingGroups = []; + this.source = ""; + this.strict = Boolean(options === null || options === void 0 ? void 0 : options.strict); + this.ecmaVersion = (_a = options === null || options === void 0 ? void 0 : options.ecmaVersion) !== null && _a !== void 0 ? _a : latestEcmaVersion; + } + get pattern() { + if (this._node.type !== "Pattern") { + throw new Error("UnknownError"); + } + return this._node; + } + get flags() { + if (this._flags.type !== "Flags") { + throw new Error("UnknownError"); + } + return this._flags; + } + onRegExpFlags(start, end, { global, ignoreCase, multiline, unicode, sticky, dotAll, hasIndices, unicodeSets, }) { + this._flags = { + type: "Flags", + parent: null, + start, + end, + raw: this.source.slice(start, end), + global, + ignoreCase, + multiline, + unicode, + sticky, + dotAll, + hasIndices, + unicodeSets, + }; + } + onPatternEnter(start) { + this._node = { + type: "Pattern", + parent: null, + start, + end: start, + raw: "", + alternatives: [], + }; + this._backreferences.length = 0; + this._capturingGroups.length = 0; + } + onPatternLeave(start, end) { + this._node.end = end; + this._node.raw = this.source.slice(start, end); + for (const reference of this._backreferences) { + const ref = reference.ref; + const groups = typeof ref === "number" + ? [this._capturingGroups[ref - 1]] + : this._capturingGroups.filter((g) => g.name === ref); + if (groups.length === 1) { + const group = groups[0]; + reference.ambiguous = false; + reference.resolved = group; + } + else { + reference.ambiguous = true; + reference.resolved = groups; + } + for (const group of groups) { + group.references.push(reference); + } + } + } + onAlternativeEnter(start) { + const parent = this._node; + if (parent.type !== "Assertion" && + parent.type !== "CapturingGroup" && + parent.type !== "Group" && + parent.type !== "Pattern") { + throw new Error("UnknownError"); + } + this._node = { + type: "Alternative", + parent, + start, + end: start, + raw: "", + elements: [], + }; + parent.alternatives.push(this._node); + } + onAlternativeLeave(start, end) { + const node = this._node; + if (node.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onGroupEnter(start) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const group = { + type: "Group", + parent, + start, + end: start, + raw: "", + modifiers: null, + alternatives: [], + }; + this._node = group; + parent.elements.push(this._node); + } + onGroupLeave(start, end) { + const node = this._node; + if (node.type !== "Group" || node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onModifiersEnter(start) { + const parent = this._node; + if (parent.type !== "Group") { + throw new Error("UnknownError"); + } + this._node = { + type: "Modifiers", + parent, + start, + end: start, + raw: "", + add: null, + remove: null, + }; + parent.modifiers = this._node; + } + onModifiersLeave(start, end) { + const node = this._node; + if (node.type !== "Modifiers" || node.parent.type !== "Group") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onAddModifiers(start, end, { ignoreCase, multiline, dotAll, }) { + const parent = this._node; + if (parent.type !== "Modifiers") { + throw new Error("UnknownError"); + } + parent.add = { + type: "ModifierFlags", + parent, + start, + end, + raw: this.source.slice(start, end), + ignoreCase, + multiline, + dotAll, + }; + } + onRemoveModifiers(start, end, { ignoreCase, multiline, dotAll, }) { + const parent = this._node; + if (parent.type !== "Modifiers") { + throw new Error("UnknownError"); + } + parent.remove = { + type: "ModifierFlags", + parent, + start, + end, + raw: this.source.slice(start, end), + ignoreCase, + multiline, + dotAll, + }; + } + onCapturingGroupEnter(start, name) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + this._node = { + type: "CapturingGroup", + parent, + start, + end: start, + raw: "", + name, + alternatives: [], + references: [], + }; + parent.elements.push(this._node); + this._capturingGroups.push(this._node); + } + onCapturingGroupLeave(start, end) { + const node = this._node; + if (node.type !== "CapturingGroup" || + node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onQuantifier(start, end, min, max, greedy) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const element = parent.elements.pop(); + if (element == null || + element.type === "Quantifier" || + (element.type === "Assertion" && element.kind !== "lookahead")) { + throw new Error("UnknownError"); + } + const node = { + type: "Quantifier", + parent, + start: element.start, + end, + raw: this.source.slice(element.start, end), + min, + max, + greedy, + element, + }; + parent.elements.push(node); + element.parent = node; + } + onLookaroundAssertionEnter(start, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const node = (this._node = { + type: "Assertion", + parent, + start, + end: start, + raw: "", + kind, + negate, + alternatives: [], + }); + parent.elements.push(node); + } + onLookaroundAssertionLeave(start, end) { + const node = this._node; + if (node.type !== "Assertion" || node.parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onEdgeAssertion(start, end, kind) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Assertion", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + }); + } + onWordBoundaryAssertion(start, end, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Assertion", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + negate, + }); + } + onAnyCharacterSet(start, end, kind) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "CharacterSet", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + }); + } + onEscapeCharacterSet(start, end, kind, negate) { + const parent = this._node; + if (parent.type !== "Alternative" && parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "CharacterSet", + parent, + start, + end, + raw: this.source.slice(start, end), + kind, + negate, + }); + } + onUnicodePropertyCharacterSet(start, end, kind, key, value, negate, strings) { + const parent = this._node; + if (parent.type !== "Alternative" && parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + const base = { + type: "CharacterSet", + parent: null, + start, + end, + raw: this.source.slice(start, end), + kind, + strings: null, + key, + }; + if (strings) { + if ((parent.type === "CharacterClass" && !parent.unicodeSets) || + negate || + value !== null) { + throw new Error("UnknownError"); + } + parent.elements.push(Object.assign(Object.assign({}, base), { parent, strings, value, negate })); + } + else { + parent.elements.push(Object.assign(Object.assign({}, base), { parent, strings, value, negate })); + } + } + onCharacter(start, end, value) { + const parent = this._node; + if (parent.type !== "Alternative" && + parent.type !== "CharacterClass" && + parent.type !== "StringAlternative") { + throw new Error("UnknownError"); + } + parent.elements.push({ + type: "Character", + parent, + start, + end, + raw: this.source.slice(start, end), + value, + }); + } + onBackreference(start, end, ref) { + const parent = this._node; + if (parent.type !== "Alternative") { + throw new Error("UnknownError"); + } + const node = { + type: "Backreference", + parent, + start, + end, + raw: this.source.slice(start, end), + ref, + ambiguous: false, + resolved: DUMMY_CAPTURING_GROUP, + }; + parent.elements.push(node); + this._backreferences.push(node); + } + onCharacterClassEnter(start, negate, unicodeSets) { + const parent = this._node; + const base = { + type: "CharacterClass", + parent, + start, + end: start, + raw: "", + unicodeSets, + negate, + elements: [], + }; + if (parent.type === "Alternative") { + const node = Object.assign(Object.assign({}, base), { parent }); + this._node = node; + parent.elements.push(node); + } + else if (parent.type === "CharacterClass" && + parent.unicodeSets && + unicodeSets) { + const node = Object.assign(Object.assign({}, base), { parent, + unicodeSets }); + this._node = node; + parent.elements.push(node); + } + else { + throw new Error("UnknownError"); + } + } + onCharacterClassLeave(start, end) { + const node = this._node; + if (node.type !== "CharacterClass" || + (node.parent.type !== "Alternative" && + node.parent.type !== "CharacterClass")) { + throw new Error("UnknownError"); + } + const parent = node.parent; + node.end = end; + node.raw = this.source.slice(start, end); + this._node = parent; + const expression = this._expressionBufferMap.get(node); + if (!expression) { + return; + } + if (node.elements.length > 0) { + throw new Error("UnknownError"); + } + this._expressionBufferMap.delete(node); + const newNode = { + type: "ExpressionCharacterClass", + parent, + start: node.start, + end: node.end, + raw: node.raw, + negate: node.negate, + expression, + }; + expression.parent = newNode; + if (node !== parent.elements.pop()) { + throw new Error("UnknownError"); + } + parent.elements.push(newNode); + } + onCharacterClassRange(start, end) { + const parent = this._node; + if (parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + const elements = parent.elements; + const max = elements.pop(); + if (!max || max.type !== "Character") { + throw new Error("UnknownError"); + } + if (!parent.unicodeSets) { + const hyphen = elements.pop(); + if (!hyphen || + hyphen.type !== "Character" || + hyphen.value !== HYPHEN_MINUS) { + throw new Error("UnknownError"); + } + } + const min = elements.pop(); + if (!min || min.type !== "Character") { + throw new Error("UnknownError"); + } + const node = { + type: "CharacterClassRange", + parent, + start, + end, + raw: this.source.slice(start, end), + min, + max, + }; + min.parent = node; + max.parent = node; + elements.push(node); + } + onClassIntersection(start, end) { + var _a; + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + const right = parent.elements.pop(); + const left = (_a = this._expressionBufferMap.get(parent)) !== null && _a !== void 0 ? _a : parent.elements.pop(); + if (!left || + !right || + left.type === "ClassSubtraction" || + (left.type !== "ClassIntersection" && !isClassSetOperand(left)) || + !isClassSetOperand(right)) { + throw new Error("UnknownError"); + } + const node = { + type: "ClassIntersection", + parent: parent, + start, + end, + raw: this.source.slice(start, end), + left, + right, + }; + left.parent = node; + right.parent = node; + this._expressionBufferMap.set(parent, node); + } + onClassSubtraction(start, end) { + var _a; + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + const right = parent.elements.pop(); + const left = (_a = this._expressionBufferMap.get(parent)) !== null && _a !== void 0 ? _a : parent.elements.pop(); + if (!left || + !right || + left.type === "ClassIntersection" || + (left.type !== "ClassSubtraction" && !isClassSetOperand(left)) || + !isClassSetOperand(right)) { + throw new Error("UnknownError"); + } + const node = { + type: "ClassSubtraction", + parent: parent, + start, + end, + raw: this.source.slice(start, end), + left, + right, + }; + left.parent = node; + right.parent = node; + this._expressionBufferMap.set(parent, node); + } + onClassStringDisjunctionEnter(start) { + const parent = this._node; + if (parent.type !== "CharacterClass" || !parent.unicodeSets) { + throw new Error("UnknownError"); + } + this._node = { + type: "ClassStringDisjunction", + parent, + start, + end: start, + raw: "", + alternatives: [], + }; + parent.elements.push(this._node); + } + onClassStringDisjunctionLeave(start, end) { + const node = this._node; + if (node.type !== "ClassStringDisjunction" || + node.parent.type !== "CharacterClass") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } + onStringAlternativeEnter(start) { + const parent = this._node; + if (parent.type !== "ClassStringDisjunction") { + throw new Error("UnknownError"); + } + this._node = { + type: "StringAlternative", + parent, + start, + end: start, + raw: "", + elements: [], + }; + parent.alternatives.push(this._node); + } + onStringAlternativeLeave(start, end) { + const node = this._node; + if (node.type !== "StringAlternative") { + throw new Error("UnknownError"); + } + node.end = end; + node.raw = this.source.slice(start, end); + this._node = node.parent; + } +} +class RegExpParser { + constructor(options) { + this._state = new RegExpParserState(options); + this._validator = new RegExpValidator(this._state); + } + parseLiteral(source, start = 0, end = source.length) { + this._state.source = source; + this._validator.validateLiteral(source, start, end); + const pattern = this._state.pattern; + const flags = this._state.flags; + const literal = { + type: "RegExpLiteral", + parent: null, + start, + end, + raw: source, + pattern, + flags, + }; + pattern.parent = literal; + flags.parent = literal; + return literal; + } + parseFlags(source, start = 0, end = source.length) { + this._state.source = source; + this._validator.validateFlags(source, start, end); + return this._state.flags; + } + parsePattern(source, start = 0, end = source.length, uFlagOrFlags = undefined) { + this._state.source = source; + this._validator.validatePattern(source, start, end, uFlagOrFlags); + return this._state.pattern; + } +} + +class RegExpVisitor { + constructor(handlers) { + this._handlers = handlers; + } + visit(node) { + switch (node.type) { + case "Alternative": + this.visitAlternative(node); + break; + case "Assertion": + this.visitAssertion(node); + break; + case "Backreference": + this.visitBackreference(node); + break; + case "CapturingGroup": + this.visitCapturingGroup(node); + break; + case "Character": + this.visitCharacter(node); + break; + case "CharacterClass": + this.visitCharacterClass(node); + break; + case "CharacterClassRange": + this.visitCharacterClassRange(node); + break; + case "CharacterSet": + this.visitCharacterSet(node); + break; + case "ClassIntersection": + this.visitClassIntersection(node); + break; + case "ClassStringDisjunction": + this.visitClassStringDisjunction(node); + break; + case "ClassSubtraction": + this.visitClassSubtraction(node); + break; + case "ExpressionCharacterClass": + this.visitExpressionCharacterClass(node); + break; + case "Flags": + this.visitFlags(node); + break; + case "Group": + this.visitGroup(node); + break; + case "Modifiers": + this.visitModifiers(node); + break; + case "ModifierFlags": + this.visitModifierFlags(node); + break; + case "Pattern": + this.visitPattern(node); + break; + case "Quantifier": + this.visitQuantifier(node); + break; + case "RegExpLiteral": + this.visitRegExpLiteral(node); + break; + case "StringAlternative": + this.visitStringAlternative(node); + break; + default: + throw new Error(`Unknown type: ${node.type}`); + } + } + visitAlternative(node) { + if (this._handlers.onAlternativeEnter) { + this._handlers.onAlternativeEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onAlternativeLeave) { + this._handlers.onAlternativeLeave(node); + } + } + visitAssertion(node) { + if (this._handlers.onAssertionEnter) { + this._handlers.onAssertionEnter(node); + } + if (node.kind === "lookahead" || node.kind === "lookbehind") { + node.alternatives.forEach(this.visit, this); + } + if (this._handlers.onAssertionLeave) { + this._handlers.onAssertionLeave(node); + } + } + visitBackreference(node) { + if (this._handlers.onBackreferenceEnter) { + this._handlers.onBackreferenceEnter(node); + } + if (this._handlers.onBackreferenceLeave) { + this._handlers.onBackreferenceLeave(node); + } + } + visitCapturingGroup(node) { + if (this._handlers.onCapturingGroupEnter) { + this._handlers.onCapturingGroupEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onCapturingGroupLeave) { + this._handlers.onCapturingGroupLeave(node); + } + } + visitCharacter(node) { + if (this._handlers.onCharacterEnter) { + this._handlers.onCharacterEnter(node); + } + if (this._handlers.onCharacterLeave) { + this._handlers.onCharacterLeave(node); + } + } + visitCharacterClass(node) { + if (this._handlers.onCharacterClassEnter) { + this._handlers.onCharacterClassEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onCharacterClassLeave) { + this._handlers.onCharacterClassLeave(node); + } + } + visitCharacterClassRange(node) { + if (this._handlers.onCharacterClassRangeEnter) { + this._handlers.onCharacterClassRangeEnter(node); + } + this.visitCharacter(node.min); + this.visitCharacter(node.max); + if (this._handlers.onCharacterClassRangeLeave) { + this._handlers.onCharacterClassRangeLeave(node); + } + } + visitCharacterSet(node) { + if (this._handlers.onCharacterSetEnter) { + this._handlers.onCharacterSetEnter(node); + } + if (this._handlers.onCharacterSetLeave) { + this._handlers.onCharacterSetLeave(node); + } + } + visitClassIntersection(node) { + if (this._handlers.onClassIntersectionEnter) { + this._handlers.onClassIntersectionEnter(node); + } + this.visit(node.left); + this.visit(node.right); + if (this._handlers.onClassIntersectionLeave) { + this._handlers.onClassIntersectionLeave(node); + } + } + visitClassStringDisjunction(node) { + if (this._handlers.onClassStringDisjunctionEnter) { + this._handlers.onClassStringDisjunctionEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onClassStringDisjunctionLeave) { + this._handlers.onClassStringDisjunctionLeave(node); + } + } + visitClassSubtraction(node) { + if (this._handlers.onClassSubtractionEnter) { + this._handlers.onClassSubtractionEnter(node); + } + this.visit(node.left); + this.visit(node.right); + if (this._handlers.onClassSubtractionLeave) { + this._handlers.onClassSubtractionLeave(node); + } + } + visitExpressionCharacterClass(node) { + if (this._handlers.onExpressionCharacterClassEnter) { + this._handlers.onExpressionCharacterClassEnter(node); + } + this.visit(node.expression); + if (this._handlers.onExpressionCharacterClassLeave) { + this._handlers.onExpressionCharacterClassLeave(node); + } + } + visitFlags(node) { + if (this._handlers.onFlagsEnter) { + this._handlers.onFlagsEnter(node); + } + if (this._handlers.onFlagsLeave) { + this._handlers.onFlagsLeave(node); + } + } + visitGroup(node) { + if (this._handlers.onGroupEnter) { + this._handlers.onGroupEnter(node); + } + if (node.modifiers) { + this.visit(node.modifiers); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onGroupLeave) { + this._handlers.onGroupLeave(node); + } + } + visitModifiers(node) { + if (this._handlers.onModifiersEnter) { + this._handlers.onModifiersEnter(node); + } + if (node.add) { + this.visit(node.add); + } + if (node.remove) { + this.visit(node.remove); + } + if (this._handlers.onModifiersLeave) { + this._handlers.onModifiersLeave(node); + } + } + visitModifierFlags(node) { + if (this._handlers.onModifierFlagsEnter) { + this._handlers.onModifierFlagsEnter(node); + } + if (this._handlers.onModifierFlagsLeave) { + this._handlers.onModifierFlagsLeave(node); + } + } + visitPattern(node) { + if (this._handlers.onPatternEnter) { + this._handlers.onPatternEnter(node); + } + node.alternatives.forEach(this.visit, this); + if (this._handlers.onPatternLeave) { + this._handlers.onPatternLeave(node); + } + } + visitQuantifier(node) { + if (this._handlers.onQuantifierEnter) { + this._handlers.onQuantifierEnter(node); + } + this.visit(node.element); + if (this._handlers.onQuantifierLeave) { + this._handlers.onQuantifierLeave(node); + } + } + visitRegExpLiteral(node) { + if (this._handlers.onRegExpLiteralEnter) { + this._handlers.onRegExpLiteralEnter(node); + } + this.visitPattern(node.pattern); + this.visitFlags(node.flags); + if (this._handlers.onRegExpLiteralLeave) { + this._handlers.onRegExpLiteralLeave(node); + } + } + visitStringAlternative(node) { + if (this._handlers.onStringAlternativeEnter) { + this._handlers.onStringAlternativeEnter(node); + } + node.elements.forEach(this.visit, this); + if (this._handlers.onStringAlternativeLeave) { + this._handlers.onStringAlternativeLeave(node); + } + } +} + +function parseRegExpLiteral(source, options) { + return new RegExpParser(options).parseLiteral(String(source)); +} +function validateRegExpLiteral(source, options) { + new RegExpValidator(options).validateLiteral(source); +} +function visitRegExpAST(node, handlers) { + new RegExpVisitor(handlers).visit(node); +} + +export { ast as AST, RegExpParser, RegExpSyntaxError, RegExpValidator, parseRegExpLiteral, validateRegExpLiteral, visitRegExpAST }; +//# sourceMappingURL=index.mjs.map diff --git a/node_modules/@eslint-community/regexpp/index.mjs.map b/node_modules/@eslint-community/regexpp/index.mjs.map new file mode 100644 index 000000000..65cf8afa1 --- /dev/null +++ b/node_modules/@eslint-community/regexpp/index.mjs.map @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/node_modules/@eslint-community/regexpp/package.json b/node_modules/@eslint-community/regexpp/package.json new file mode 100644 index 000000000..0ccb8da95 --- /dev/null +++ b/node_modules/@eslint-community/regexpp/package.json @@ -0,0 +1,91 @@ +{ + "name": "@eslint-community/regexpp", + "version": "4.12.2", + "description": "Regular expression parser for ECMAScript.", + "keywords": [ + "regexp", + "regular", + "expression", + "parser", + "validator", + "ast", + "abstract", + "syntax", + "tree", + "ecmascript", + "es2015", + "es2016", + "es2017", + "es2018", + "es2019", + "es2020", + "es2021", + "annexB" + ], + "homepage": "https://github.com/eslint-community/regexpp#readme", + "bugs": { + "url": "https://github.com/eslint-community/regexpp/issues" + }, + "repository": { + "type": "git", + "url": "https://github.com/eslint-community/regexpp" + }, + "license": "MIT", + "author": "Toru Nagashima", + "exports": { + ".": { + "types": "./index.d.ts", + "import": "./index.mjs", + "default": "./index.js" + }, + "./package.json": "./package.json" + }, + "main": "index", + "files": [ + "index.*" + ], + "scripts": { + "prebuild": "npm run -s clean", + "build": "run-s build:*", + "build:tsc": "tsc --module es2015", + "build:rollup": "rollup -c", + "build:dts": "npm run -s build:tsc -- --removeComments false && dts-bundle --name @eslint-community/regexpp --main .temp/index.d.ts --out ../index.d.ts && prettier --write index.d.ts", + "clean": "rimraf .temp index.*", + "lint": "eslint . --ext .ts", + "test": "nyc _mocha \"test/*.ts\" --reporter dot --timeout 10000", + "debug": "mocha --require ts-node/register/transpile-only \"test/*.ts\" --reporter dot --timeout 10000", + "update:test": "ts-node scripts/update-fixtures.ts", + "update:unicode": "run-s update:unicode:*", + "update:unicode:ids": "ts-node scripts/update-unicode-ids.ts", + "update:unicode:props": "ts-node scripts/update-unicode-properties.ts", + "update:test262:extract": "ts-node -T scripts/extract-test262.ts", + "preversion": "npm test && npm run -s build", + "postversion": "git push && git push --tags", + "prewatch": "npm run -s clean", + "watch": "_mocha \"test/*.ts\" --require ts-node/register --reporter dot --timeout 10000 --watch-extensions ts --watch --growl" + }, + "dependencies": {}, + "devDependencies": { + "@eslint-community/eslint-plugin-mysticatea": "^15.5.1", + "@rollup/plugin-node-resolve": "^14.1.0", + "@types/eslint": "^8.44.3", + "@types/jsdom": "^16.2.15", + "@types/mocha": "^9.1.1", + "@types/node": "^12.20.55", + "dts-bundle": "^0.7.3", + "eslint": "^8.50.0", + "js-tokens": "^8.0.2", + "jsdom": "^19.0.0", + "mocha": "^9.2.2", + "npm-run-all2": "^6.2.2", + "nyc": "^14.1.1", + "rimraf": "^3.0.2", + "rollup": "^2.79.1", + "rollup-plugin-sourcemaps": "^0.6.3", + "ts-node": "^10.9.1", + "typescript": "~5.0.2" + }, + "engines": { + "node": "^12.0.0 || ^14.0.0 || >=16.0.0" + } +} diff --git a/node_modules/@eslint/config-array/LICENSE 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Each config array contains the information needed to determine the correct configuration for any file based on the filename. + +**Note:** This is a generic package that can be used outside of ESLint. It contains no ESLint-specific functionality. + +## Installation + +For Node.js and compatible runtimes: + +```shell +npm install @eslint/config-array +# or +yarn add @eslint/config-array +# or +pnpm install @eslint/config-array +# or +bun add @eslint/config-array +``` + +For Deno: + +```shell +deno add @eslint/config-array +``` + +## Background + +The basic idea is that all configuration, including overrides, can be represented by a single array where each item in the array is a config object. Config objects appearing later in the array override config objects appearing earlier in the array. You can calculate a config for a given file by traversing all config objects in the array to find the ones that match the filename. Matching is done by specifying glob patterns in `files` and `ignores` properties on each config object. Here's an example: + +```js +export default [ + // match all JSON files + { + name: "JSON Handler", + files: ["**/*.json"], + handler: jsonHandler, + }, + + // match only package.json + { + name: "package.json Handler", + files: ["package.json"], + handler: packageJsonHandler, + }, +]; +``` + +In this example, there are two config objects: the first matches all JSON files in all directories and the second matches just `package.json` in the base path directory (all the globs are evaluated as relative to a base path that can be specified). When you retrieve a configuration for `foo.json`, only the first config object matches so `handler` is equal to `jsonHandler`; when you retrieve a configuration for `package.json`, `handler` is equal to `packageJsonHandler` (because both config objects match, the second one wins). + +## Usage + +First, import the `ConfigArray` constructor: + +```js +import { ConfigArray } from "@eslint/config-array"; + +// or using CommonJS + +const { ConfigArray } = require("@eslint/config-array"); +``` + +When you create a new instance of `ConfigArray`, you must pass in two arguments: an array of configs and an options object. The array of configs is most likely read in from a configuration file, so here's a typical example: + +```js +const configFilename = path.resolve(process.cwd(), "my.config.js"); +const { default: rawConfigs } = await import(configFilename); +const configs = new ConfigArray(rawConfigs, { + // the path to match filenames from + basePath: process.cwd(), + + // additional items in each config + schema: mySchema, +}); +``` + +This example reads in an object or array from `my.config.js` and passes it into the `ConfigArray` constructor as the first argument. The second argument is an object specifying the `basePath` (the directory in which `my.config.js` is found) and a `schema` to define the additional properties of a config object beyond `files`, `ignores`, `basePath`, and `name`. + +### Specifying a Schema + +The `schema` option is required for you to use additional properties in config objects. The schema is an object that follows the format of an [`ObjectSchema`](https://npmjs.com/package/@eslint/object-schema). The schema specifies both validation and merge rules that the `ConfigArray` instance needs to combine configs when there are multiple matches. Here's an example: + +```js +const configFilename = path.resolve(process.cwd(), "my.config.js"); +const { default: rawConfigs } = await import(configFilename); + +const mySchema = { + + // define the handler key in configs + handler: { + required: true, + merge(a, b) { + if (!b) return a; + if (!a) return b; + }, + validate(value) { + if (typeof value !== "function") { + throw new TypeError("Function expected."); + } + } + } +}; + +const configs = new ConfigArray(rawConfigs, { + + // the path to match filenames from + basePath: process.cwd(), + + // additional item schemas in each config + schema: mySchema, + + // additional config types supported (default: []) + extraConfigTypes: ["array", "function"]; +}); +``` + +### Config Arrays + +Config arrays can be multidimensional, so it's possible for a config array to contain another config array when `extraConfigTypes` contains `"array"`, such as: + +```js +export default [ + // JS config + { + files: ["**/*.js"], + handler: jsHandler, + }, + + // JSON configs + [ + // match all JSON files + { + name: "JSON Handler", + files: ["**/*.json"], + handler: jsonHandler, + }, + + // match only package.json + { + name: "package.json Handler", + files: ["package.json"], + handler: packageJsonHandler, + }, + ], + + // filename must match function + { + files: [filePath => filePath.endsWith(".md")], + handler: markdownHandler, + }, + + // filename must match all patterns in subarray + { + files: [["*.test.*", "*.js"]], + handler: jsTestHandler, + }, + + // filename must not match patterns beginning with ! + { + name: "Non-JS files", + files: ["!*.js"], + settings: { + js: false, + }, + }, + + // specific settings for files inside `src` directory + { + name: "Source files", + basePath: "src", + files: ["**/*"], + settings: { + source: true, + }, + }, +]; +``` + +In this example, the array contains both config objects and a config array. When a config array is normalized (see details below), it is flattened so only config objects remain. However, the order of evaluation remains the same. + +If the `files` array contains a function, then that function is called with the path of the file as it was passed in. The function is expected to return `true` if there is a match and `false` if not. (The `ignores` array can also contain functions.) + +If the `files` array contains an item that is an array of strings and functions, then all patterns must match in order for the config to match. In the preceding examples, both `*.test.*` and `*.js` must match in order for the config object to be used. + +If a pattern in the files array begins with `!` then it excludes that pattern. In the preceding example, any filename that doesn't end with `.js` will automatically get a `settings.js` property set to `false`. + +You can also specify an `ignores` key that will force files matching those patterns to not be included. If the `ignores` key is in a config object without any other keys, then those ignores will always be applied; otherwise those ignores act as exclusions. Here's an example: + +```js +export default [ + + // Always ignored + { + ignores: ["**/.git/**", "**/node_modules/**"] + }, + + // .eslintrc.js file is ignored only when .js file matches + { + files: ["**/*.js"], + ignores: [".eslintrc.js"] + handler: jsHandler + } +]; +``` + +You can use negated patterns in `ignores` to exclude a file that was already ignored, such as: + +```js +export default [ + // Ignore all JSON files except tsconfig.json + { + files: ["**/*"], + ignores: ["**/*.json", "!tsconfig.json"], + }, +]; +``` + +### Config Functions + +Config arrays can also include config functions when `extraConfigTypes` contains `"function"`. A config function accepts a single parameter, `context` (defined by you), and must return either a config object or a config array (it cannot return another function). Config functions allow end users to execute code in the creation of appropriate config objects. Here's an example: + +```js +export default [ + // JS config + { + files: ["**/*.js"], + handler: jsHandler, + }, + + // JSON configs + function (context) { + return [ + // match all JSON files + { + name: context.name + " JSON Handler", + files: ["**/*.json"], + handler: jsonHandler, + }, + + // match only package.json + { + name: context.name + " package.json Handler", + files: ["package.json"], + handler: packageJsonHandler, + }, + ]; + }, +]; +``` + +When a config array is normalized, each function is executed and replaced in the config array with the return value. + +**Note:** Config functions can also be async. + +### Normalizing Config Arrays + +Once a config array has been created and loaded with all of the raw config data, it must be normalized before it can be used. The normalization process goes through and flattens the config array as well as executing all config functions to get their final values. + +To normalize a config array, call the `normalize()` method and pass in a context object: + +```js +await configs.normalize({ + name: "MyApp", +}); +``` + +The `normalize()` method returns a promise, so be sure to use the `await` operator. The config array instance is normalized in-place, so you don't need to create a new variable. + +If you want to disallow async config functions, you can call `normalizeSync()` instead. This method is completely synchronous and does not require using the `await` operator as it does not return a promise: + +```js +await configs.normalizeSync({ + name: "MyApp", +}); +``` + +**Important:** Once a `ConfigArray` is normalized, it cannot be changed further. You can, however, create a new `ConfigArray` and pass in the normalized instance to create an unnormalized copy. + +### Getting Config for a File + +To get the config for a file, use the `getConfig()` method on a normalized config array and pass in the filename to get a config for: + +```js +// pass in filename +const fileConfig = configs.getConfig( + path.resolve(process.cwd(), "package.json"), +); +``` + +The config array always returns an object, even if there are no configs matching the given filename. You can then inspect the returned config object to determine how to proceed. + +A few things to keep in mind: + +- If a filename is not an absolute path, it will be resolved relative to the base path directory. +- The returned config object never has `files`, `ignores`, `basePath`, or `name` properties; the only properties on the object will be the other configuration options specified. +- The config array caches configs, so subsequent calls to `getConfig()` with the same filename will return in a fast lookup rather than another calculation. +- A config will only be generated if the filename matches an entry in a `files` key. A config will not be generated without matching a `files` key (configs without a `files` key are only applied when another config with a `files` key is applied; configs without `files` are never applied on their own). Any config with a `files` key entry that is `*` or ends with `/**` or `/*` will only be applied if another entry in the same `files` key matches or another config matches. + +## Determining Ignored Paths + +You can determine if a file is ignored by using the `isFileIgnored()` method and passing in the path of any file, as in this example: + +```js +const ignored = configs.isFileIgnored("/foo/bar/baz.txt"); +``` + +A file is considered ignored if any of the following is true: + +- **It's parent directory is ignored.** For example, if `foo` is in `ignores`, then `foo/a.js` is considered ignored. +- **It has an ancestor directory that is ignored.** For example, if `foo` is in `ignores`, then `foo/baz/a.js` is considered ignored. +- **It matches an ignored file pattern.** For example, if `**/a.js` is in `ignores`, then `foo/a.js` and `foo/baz/a.js` are considered ignored. +- **If it matches an entry in `files` and also in `ignores`.** For example, if `**/*.js` is in `files` and `**/a.js` is in `ignores`, then `foo/a.js` and `foo/baz/a.js` are considered ignored. +- **The file is outside the `basePath`.** If the `basePath` is `/usr/me`, then `/foo/a.js` is considered ignored. + +For directories, use the `isDirectoryIgnored()` method and pass in the path of any directory, as in this example: + +```js +const ignored = configs.isDirectoryIgnored("/foo/bar/"); +``` + +A directory is considered ignored if any of the following is true: + +- **It's parent directory is ignored.** For example, if `foo` is in `ignores`, then `foo/baz` is considered ignored. +- **It has an ancestor directory that is ignored.** For example, if `foo` is in `ignores`, then `foo/bar/baz/a.js` is considered ignored. +- **It matches and ignored file pattern.** For example, if `**/a.js` is in `ignores`, then `foo/a.js` and `foo/baz/a.js` are considered ignored. +- **If it matches an entry in `files` and also in `ignores`.** For example, if `**/*.js` is in `files` and `**/a.js` is in `ignores`, then `foo/a.js` and `foo/baz/a.js` are considered ignored. +- **The file is outside the `basePath`.** If the `basePath` is `/usr/me`, then `/foo/a.js` is considered ignored. + +**Important:** A pattern such as `foo/**` means that `foo` and `foo/` are _not_ ignored whereas `foo/bar` is ignored. If you want to ignore `foo` and all of its subdirectories, use the pattern `foo` or `foo/` in `ignores`. + +## Caching Mechanisms + +Each `ConfigArray` aggressively caches configuration objects to avoid unnecessary work. This caching occurs in two ways: + +1. **File-based Caching.** For each filename that is passed into a method, the resulting config is cached against that filename so you're always guaranteed to get the same object returned from `getConfig()` whenever you pass the same filename in. +2. **Index-based Caching.** Whenever a config is calculated, the config elements that were used to create the config are also cached. So if a given filename matches elements 1, 5, and 7, the resulting config is cached with a key of `1,5,7`. That way, if another file is passed that matches the same config elements, the result is already known and doesn't have to be recalculated. That means two files that match all the same elements will return the same config from `getConfig()`. + +## Acknowledgements + +The design of this project was influenced by feedback on the ESLint RFC, and incorporates ideas from: + +- Teddy Katz (@not-an-aardvark) +- Toru Nagashima (@mysticatea) +- Kai Cataldo (@kaicataldo) + +## License + +Apache 2.0 + + + + +## Sponsors + +The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. [Become a Sponsor](https://eslint.org/donate) +to get your logo on our READMEs and [website](https://eslint.org/sponsors). + +

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+ diff --git a/node_modules/@eslint/config-array/dist/cjs/index.cjs b/node_modules/@eslint/config-array/dist/cjs/index.cjs new file mode 100644 index 000000000..9a18e655e --- /dev/null +++ b/node_modules/@eslint/config-array/dist/cjs/index.cjs @@ -0,0 +1,1539 @@ +'use strict'; + +var posixPath = require('./std__path/posix.cjs'); +var windowsPath = require('./std__path/windows.cjs'); +var minimatch = require('minimatch'); +var createDebug = require('debug'); +var objectSchema = require('@eslint/object-schema'); + +function _interopNamespaceDefault(e) { + var n = Object.create(null); + if (e) { + Object.keys(e).forEach(function (k) { + if (k !== 'default') { + var d = Object.getOwnPropertyDescriptor(e, k); + Object.defineProperty(n, k, d.get ? d : { + enumerable: true, + get: function () { return e[k]; } + }); + } + }); + } + n.default = e; + return Object.freeze(n); +} + +var posixPath__namespace = /*#__PURE__*/_interopNamespaceDefault(posixPath); +var windowsPath__namespace = /*#__PURE__*/_interopNamespaceDefault(windowsPath); + +/** + * @fileoverview ConfigSchema + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @import * as $eslintobjectschema from "@eslint/object-schema"; */ +/** @typedef {$eslintobjectschema.PropertyDefinition} PropertyDefinition */ +/** @typedef {$eslintobjectschema.ObjectDefinition} ObjectDefinition */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * A strategy that does nothing. + * @type {PropertyDefinition} + */ +const NOOP_STRATEGY = { + required: false, + merge() { + return undefined; + }, + validate() {}, +}; + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The base schema that every ConfigArray uses. + * @type {ObjectDefinition} + */ +const baseSchema = Object.freeze({ + name: { + required: false, + merge() { + return undefined; + }, + validate(value) { + if (typeof value !== "string") { + throw new TypeError("Property must be a string."); + } + }, + }, + basePath: NOOP_STRATEGY, + files: NOOP_STRATEGY, + ignores: NOOP_STRATEGY, +}); + +/** + * @fileoverview ConfigSchema + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Asserts that a given value is an array. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array. + */ +function assertIsArray(value) { + if (!Array.isArray(value)) { + throw new TypeError("Expected value to be an array."); + } +} + +/** + * Asserts that a given value is an array containing only strings and functions. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array of strings and functions. + */ +function assertIsArrayOfStringsAndFunctions(value) { + assertIsArray(value); + + if ( + value.some( + item => typeof item !== "string" && typeof item !== "function", + ) + ) { + throw new TypeError( + "Expected array to only contain strings and functions.", + ); + } +} + +/** + * Asserts that a given value is a non-empty array. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array or an empty array. + */ +function assertIsNonEmptyArray(value) { + if (!Array.isArray(value) || value.length === 0) { + throw new TypeError("Expected value to be a non-empty array."); + } +} + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The schema for `files` and `ignores` that every ConfigArray uses. + * @type {ObjectDefinition} + */ +const filesAndIgnoresSchema = Object.freeze({ + basePath: { + required: false, + merge() { + return undefined; + }, + validate(value) { + if (typeof value !== "string") { + throw new TypeError("Expected value to be a string."); + } + }, + }, + files: { + required: false, + merge() { + return undefined; + }, + validate(value) { + // first check if it's an array + assertIsNonEmptyArray(value); + + // then check each member + value.forEach(item => { + if (Array.isArray(item)) { + assertIsArrayOfStringsAndFunctions(item); + } else if ( + typeof item !== "string" && + typeof item !== "function" + ) { + throw new TypeError( + "Items must be a string, a function, or an array of strings and functions.", + ); + } + }); + }, + }, + ignores: { + required: false, + merge() { + return undefined; + }, + validate: assertIsArrayOfStringsAndFunctions, + }, +}); + +/** + * @fileoverview ConfigArray + * @author Nicholas C. Zakas + */ + + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.ConfigObject} ConfigObject */ +/** @import * as $minimatch from "minimatch"; */ +/** @typedef {$minimatch.IMinimatchStatic} IMinimatchStatic */ +/** @typedef {$minimatch.IMinimatch} IMinimatch */ +/** @import * as PathImpl from "@jsr/std__path" */ + +/* + * This is a bit of a hack to make TypeScript happy with the Rollup-created + * CommonJS file. Rollup doesn't do object destructuring for imported files + * and instead imports the default via `require()`. This messes up type checking + * for `ObjectSchema`. To work around that, we just import the type manually + * and give it a different name to use in the JSDoc comments. + */ +/** @typedef {ObjectSchema} ObjectSchemaInstance */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const Minimatch = minimatch.Minimatch; +const debug = createDebug("@eslint/config-array"); + +/** + * A cache for minimatch instances. + * @type {Map} + */ +const minimatchCache = new Map(); + +/** + * A cache for negated minimatch instances. + * @type {Map} + */ +const negatedMinimatchCache = new Map(); + +/** + * Options to use with minimatch. + * @type {Object} + */ +const MINIMATCH_OPTIONS = { + // matchBase: true, + dot: true, + allowWindowsEscape: true, +}; + +/** + * The types of config objects that are supported. + * @type {Set} + */ +const CONFIG_TYPES = new Set(["array", "function"]); + +/** + * Fields that are considered metadata and not part of the config object. + * @type {Set} + */ +const META_FIELDS = new Set(["name", "basePath"]); + +/** + * A schema containing just files and ignores for early validation. + * @type {ObjectSchemaInstance} + */ +const FILES_AND_IGNORES_SCHEMA = new objectSchema.ObjectSchema(filesAndIgnoresSchema); + +// Precomputed constant objects returned by `ConfigArray.getConfigWithStatus`. + +const CONFIG_WITH_STATUS_EXTERNAL = Object.freeze({ status: "external" }); +const CONFIG_WITH_STATUS_IGNORED = Object.freeze({ status: "ignored" }); +const CONFIG_WITH_STATUS_UNCONFIGURED = Object.freeze({ + status: "unconfigured", +}); + +// Match two leading dots followed by a slash or the end of input. +const EXTERNAL_PATH_REGEX = /^\.\.(?:\/|$)/u; + +/** + * Wrapper error for config validation errors that adds a name to the front of the + * error message. + */ +class ConfigError extends Error { + /** + * Creates a new instance. + * @param {string} name The config object name causing the error. + * @param {number} index The index of the config object in the array. + * @param {Object} options The options for the error. + * @param {Error} [options.cause] The error that caused this error. + * @param {string} [options.message] The message to use for the error. + */ + constructor(name, index, { cause, message }) { + const finalMessage = message || cause.message; + + super(`Config ${name}: ${finalMessage}`, { cause }); + + // copy over custom properties that aren't represented + if (cause) { + for (const key of Object.keys(cause)) { + if (!(key in this)) { + this[key] = cause[key]; + } + } + } + + /** + * The name of the error. + * @type {string} + * @readonly + */ + this.name = "ConfigError"; + + /** + * The index of the config object in the array. + * @type {number} + * @readonly + */ + this.index = index; + } +} + +/** + * Gets the name of a config object. + * @param {ConfigObject} config The config object to get the name of. + * @returns {string} The name of the config object. + */ +function getConfigName(config) { + if (config && typeof config.name === "string" && config.name) { + return `"${config.name}"`; + } + + return "(unnamed)"; +} + +/** + * Rethrows a config error with additional information about the config object. + * @param {object} config The config object to get the name of. + * @param {number} index The index of the config object in the array. + * @param {Error} error The error to rethrow. + * @throws {ConfigError} When the error is rethrown for a config. + */ +function rethrowConfigError(config, index, error) { + const configName = getConfigName(config); + throw new ConfigError(configName, index, { cause: error }); +} + +/** + * Shorthand for checking if a value is a string. + * @param {any} value The value to check. + * @returns {boolean} True if a string, false if not. + */ +function isString(value) { + return typeof value === "string"; +} + +/** + * Creates a function that asserts that the config is valid + * during normalization. This checks that the config is not nullish + * and that files and ignores keys of a config object are valid as per base schema. + * @param {Object} config The config object to check. + * @param {number} index The index of the config object in the array. + * @returns {void} + * @throws {ConfigError} If the files and ignores keys of a config object are not valid. + */ +function assertValidBaseConfig(config, index) { + if (config === null) { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected null config.", + }); + } + + if (config === undefined) { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected undefined config.", + }); + } + + if (typeof config !== "object") { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected non-object config.", + }); + } + + const validateConfig = {}; + + if ("basePath" in config) { + validateConfig.basePath = config.basePath; + } + + if ("files" in config) { + validateConfig.files = config.files; + } + + if ("ignores" in config) { + validateConfig.ignores = config.ignores; + } + + try { + FILES_AND_IGNORES_SCHEMA.validate(validateConfig); + } catch (validationError) { + rethrowConfigError(config, index, validationError); + } +} + +/** + * Wrapper around minimatch that caches minimatch patterns for + * faster matching speed over multiple file path evaluations. + * @param {string} filepath The file path to match. + * @param {string} pattern The glob pattern to match against. + * @param {object} options The minimatch options to use. + * @returns + */ +function doMatch(filepath, pattern, options = {}) { + let cache = minimatchCache; + + if (options.flipNegate) { + cache = negatedMinimatchCache; + } + + let matcher = cache.get(pattern); + + if (!matcher) { + matcher = new Minimatch( + pattern, + Object.assign({}, MINIMATCH_OPTIONS, options), + ); + cache.set(pattern, matcher); + } + + return matcher.match(filepath); +} + +/** + * Normalizes a pattern by removing the leading "./" if present. + * @param {string} pattern The pattern to normalize. + * @returns {string} The normalized pattern. + */ +function normalizePattern(pattern) { + if (isString(pattern)) { + if (pattern.startsWith("./")) { + return pattern.slice(2); + } + + if (pattern.startsWith("!./")) { + return `!${pattern.slice(3)}`; + } + } + + return pattern; +} + +/** + * Checks if a given pattern requires normalization. + * @param {any} pattern The pattern to check. + * @returns {boolean} True if the pattern needs normalization, false otherwise. + * + */ +function needsPatternNormalization(pattern) { + return ( + isString(pattern) && + (pattern.startsWith("./") || pattern.startsWith("!./")) + ); +} + +/** + * Normalizes `files` and `ignores` patterns in a config by removing "./" prefixes. + * @param {Object} config The config object to normalize patterns in. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base path is relative. + * @param {PathImpl} path Path-handling implementation. + * @returns {Object} The normalized config object. + */ +function normalizeConfigPatterns(config, namespacedBasePath, path) { + if (!config) { + return config; + } + + const hasBasePath = typeof config.basePath === "string"; + + let needsNormalization = false; + + if (hasBasePath) { + needsNormalization = true; + } + + if (!needsNormalization && Array.isArray(config.files)) { + needsNormalization = config.files.some(pattern => { + if (Array.isArray(pattern)) { + return pattern.some(needsPatternNormalization); + } + return needsPatternNormalization(pattern); + }); + } + + if (!needsNormalization && Array.isArray(config.ignores)) { + needsNormalization = config.ignores.some(needsPatternNormalization); + } + + if (!needsNormalization) { + return config; + } + + const newConfig = { ...config }; + + if (hasBasePath) { + if (path.isAbsolute(config.basePath)) { + newConfig.basePath = path.toNamespacedPath(config.basePath); + } else { + newConfig.basePath = path.resolve( + namespacedBasePath, + config.basePath, + ); + } + } + + if (Array.isArray(newConfig.files)) { + newConfig.files = newConfig.files.map(pattern => { + if (Array.isArray(pattern)) { + return pattern.map(normalizePattern); + } + return normalizePattern(pattern); + }); + } + + if (Array.isArray(newConfig.ignores)) { + newConfig.ignores = newConfig.ignores.map(normalizePattern); + } + + return newConfig; +} + +/** + * Normalizes a `ConfigArray` by flattening it and executing any functions + * that are found inside. + * @param {Array} items The items in a `ConfigArray`. + * @param {Object} context The context object to pass into any function + * found. + * @param {Array} extraConfigTypes The config types to check. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base paths are relative. + * @param {PathImpl} path Path-handling implementation. + * @returns {Promise} A flattened array containing only config objects. + * @throws {TypeError} When a config function returns a function. + */ +async function normalize( + items, + context, + extraConfigTypes, + namespacedBasePath, + path, +) { + const allowFunctions = extraConfigTypes.includes("function"); + const allowArrays = extraConfigTypes.includes("array"); + + async function* flatTraverse(array) { + for (let item of array) { + if (typeof item === "function") { + if (!allowFunctions) { + throw new TypeError("Unexpected function."); + } + + item = item(context); + if (item.then) { + item = await item; + } + } + + if (Array.isArray(item)) { + if (!allowArrays) { + throw new TypeError("Unexpected array."); + } + yield* flatTraverse(item); + } else if (typeof item === "function") { + throw new TypeError( + "A config function can only return an object or array.", + ); + } else { + yield item; + } + } + } + + /* + * Async iterables cannot be used with the spread operator, so we need to manually + * create the array to return. + */ + const asyncIterable = await flatTraverse(items); + const configs = []; + + for await (const config of asyncIterable) { + configs.push(normalizeConfigPatterns(config, namespacedBasePath, path)); + } + + return configs; +} + +/** + * Normalizes a `ConfigArray` by flattening it and executing any functions + * that are found inside. + * @param {Array} items The items in a `ConfigArray`. + * @param {Object} context The context object to pass into any function + * found. + * @param {Array} extraConfigTypes The config types to check. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base paths are relative. + * @param {PathImpl} path Path-handling implementation + * @returns {Array} A flattened array containing only config objects. + * @throws {TypeError} When a config function returns a function. + */ +function normalizeSync( + items, + context, + extraConfigTypes, + namespacedBasePath, + path, +) { + const allowFunctions = extraConfigTypes.includes("function"); + const allowArrays = extraConfigTypes.includes("array"); + + function* flatTraverse(array) { + for (let item of array) { + if (typeof item === "function") { + if (!allowFunctions) { + throw new TypeError("Unexpected function."); + } + + item = item(context); + if (item.then) { + throw new TypeError( + "Async config functions are not supported.", + ); + } + } + + if (Array.isArray(item)) { + if (!allowArrays) { + throw new TypeError("Unexpected array."); + } + + yield* flatTraverse(item); + } else if (typeof item === "function") { + throw new TypeError( + "A config function can only return an object or array.", + ); + } else { + yield item; + } + } + } + + const configs = []; + + for (const config of flatTraverse(items)) { + configs.push(normalizeConfigPatterns(config, namespacedBasePath, path)); + } + + return configs; +} + +/** + * Converts a given path to a relative path with all separator characters replaced by forward slashes (`"/"`). + * @param {string} fileOrDirPath The unprocessed path to convert. + * @param {string} namespacedBasePath The namespaced base path of the directory to which the calculated path shall be relative. + * @param {PathImpl} path Path-handling implementations. + * @returns {string} A relative path with all separator characters replaced by forward slashes. + */ +function toRelativePath(fileOrDirPath, namespacedBasePath, path) { + const fullPath = path.resolve(namespacedBasePath, fileOrDirPath); + const namespacedFullPath = path.toNamespacedPath(fullPath); + const relativePath = path.relative(namespacedBasePath, namespacedFullPath); + return relativePath.replaceAll(path.SEPARATOR, "/"); +} + +/** + * Determines if a given file path should be ignored based on the given + * matcher. + * @param {Array<{ basePath?: string, ignores: Array boolean)>}>} configs Configuration objects containing `ignores`. + * @param {string} filePath The unprocessed file path to check. + * @param {string} relativeFilePath The path of the file to check relative to the base path, + * using forward slash (`"/"`) as a separator. + * @param {Object} [basePathData] Additional data needed to recalculate paths for configuration objects + * that have `basePath` property. + * @param {string} [basePathData.basePath] Namespaced path to witch `relativeFilePath` is relative. + * @param {PathImpl} [basePathData.path] Path-handling implementation. + * @returns {boolean} True if the path should be ignored and false if not. + */ +function shouldIgnorePath( + configs, + filePath, + relativeFilePath, + { basePath, path } = {}, +) { + let shouldIgnore = false; + + for (const config of configs) { + let relativeFilePathToCheck = relativeFilePath; + if (config.basePath) { + relativeFilePathToCheck = toRelativePath( + path.resolve(basePath, relativeFilePath), + config.basePath, + path, + ); + + if ( + relativeFilePathToCheck === "" || + EXTERNAL_PATH_REGEX.test(relativeFilePathToCheck) + ) { + continue; + } + + if (relativeFilePath.endsWith("/")) { + relativeFilePathToCheck += "/"; + } + } + shouldIgnore = config.ignores.reduce((ignored, matcher) => { + if (!ignored) { + if (typeof matcher === "function") { + return matcher(filePath); + } + + // don't check negated patterns because we're not ignored yet + if (!matcher.startsWith("!")) { + return doMatch(relativeFilePathToCheck, matcher); + } + + // otherwise we're still not ignored + return false; + } + + // only need to check negated patterns because we're ignored + if (typeof matcher === "string" && matcher.startsWith("!")) { + return !doMatch(relativeFilePathToCheck, matcher, { + flipNegate: true, + }); + } + + return ignored; + }, shouldIgnore); + } + + return shouldIgnore; +} + +/** + * Determines if a given file path is matched by a config. If the config + * has no `files` field, then it matches; otherwise, if a `files` field + * is present then we match the globs in `files` and exclude any globs in + * `ignores`. + * @param {string} filePath The unprocessed file path to check. + * @param {string} relativeFilePath The path of the file to check relative to the base path, + * using forward slash (`"/"`) as a separator. + * @param {Object} config The config object to check. + * @returns {boolean} True if the file path is matched by the config, + * false if not. + */ +function pathMatches(filePath, relativeFilePath, config) { + // match both strings and functions + function match(pattern) { + if (isString(pattern)) { + return doMatch(relativeFilePath, pattern); + } + + if (typeof pattern === "function") { + return pattern(filePath); + } + + throw new TypeError(`Unexpected matcher type ${pattern}.`); + } + + // check for all matches to config.files + let filePathMatchesPattern = config.files.some(pattern => { + if (Array.isArray(pattern)) { + return pattern.every(match); + } + + return match(pattern); + }); + + /* + * If the file path matches the config.files patterns, then check to see + * if there are any files to ignore. + */ + if (filePathMatchesPattern && config.ignores) { + /* + * Pass config object without `basePath`, because `relativeFilePath` is already + * calculated as relative to it. + */ + filePathMatchesPattern = !shouldIgnorePath( + [{ ignores: config.ignores }], + filePath, + relativeFilePath, + ); + } + + return filePathMatchesPattern; +} + +/** + * Ensures that a ConfigArray has been normalized. + * @param {ConfigArray} configArray The ConfigArray to check. + * @returns {void} + * @throws {Error} When the `ConfigArray` is not normalized. + */ +function assertNormalized(configArray) { + // TODO: Throw more verbose error + if (!configArray.isNormalized()) { + throw new Error( + "ConfigArray must be normalized to perform this operation.", + ); + } +} + +/** + * Ensures that config types are valid. + * @param {Array} extraConfigTypes The config types to check. + * @returns {void} + * @throws {TypeError} When the config types array is invalid. + */ +function assertExtraConfigTypes(extraConfigTypes) { + if (extraConfigTypes.length > 2) { + throw new TypeError( + "configTypes must be an array with at most two items.", + ); + } + + for (const configType of extraConfigTypes) { + if (!CONFIG_TYPES.has(configType)) { + throw new TypeError( + `Unexpected config type "${configType}" found. Expected one of: "object", "array", "function".`, + ); + } + } +} + +/** + * Returns path-handling implementations for Unix or Windows, depending on a given absolute path. + * @param {string} fileOrDirPath The absolute path to check. + * @returns {PathImpl} Path-handling implementations for the specified path. + * @throws {Error} An error is thrown if the specified argument is not an absolute path. + */ +function getPathImpl(fileOrDirPath) { + // Posix absolute paths always start with a slash. + if (fileOrDirPath.startsWith("/")) { + return posixPath__namespace; + } + + // Windows absolute paths start with a letter followed by a colon and at least one backslash, + // or with two backslashes in the case of UNC paths. + // Forward slashed are automatically normalized to backslashes. + if (/^(?:[A-Za-z]:[/\\]|[/\\]{2})/u.test(fileOrDirPath)) { + return windowsPath__namespace; + } + + throw new Error( + `Expected an absolute path but received "${fileOrDirPath}"`, + ); +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +const ConfigArraySymbol = { + isNormalized: Symbol("isNormalized"), + configCache: Symbol("configCache"), + schema: Symbol("schema"), + finalizeConfig: Symbol("finalizeConfig"), + preprocessConfig: Symbol("preprocessConfig"), +}; + +// used to store calculate data for faster lookup +const dataCache = new WeakMap(); + +/** + * Represents an array of config objects and provides method for working with + * those config objects. + */ +class ConfigArray extends Array { + /** + * The namespaced path of the config file directory. + * @type {string} + */ + #namespacedBasePath; + + /** + * Path-handling implementations. + * @type {PathImpl} + */ + #path; + + /** + * Creates a new instance of ConfigArray. + * @param {Iterable|Function|Object} configs An iterable yielding config + * objects, or a config function, or a config object. + * @param {Object} options The options for the ConfigArray. + * @param {string} [options.basePath="/"] The absolute path of the config file directory. + * Defaults to `"/"`. + * @param {boolean} [options.normalized=false] Flag indicating if the + * configs have already been normalized. + * @param {Object} [options.schema] The additional schema + * definitions to use for the ConfigArray schema. + * @param {Array} [options.extraConfigTypes] List of config types supported. + * @throws {TypeError} When the `basePath` is not a non-empty string, + */ + constructor( + configs, + { + basePath = "/", + normalized = false, + schema: customSchema, + extraConfigTypes = [], + } = {}, + ) { + super(); + + /** + * Tracks if the array has been normalized. + * @property isNormalized + * @type {boolean} + * @private + */ + this[ConfigArraySymbol.isNormalized] = normalized; + + /** + * The schema used for validating and merging configs. + * @property schema + * @type {ObjectSchemaInstance} + * @private + */ + this[ConfigArraySymbol.schema] = new objectSchema.ObjectSchema( + Object.assign({}, customSchema, baseSchema), + ); + + if (!isString(basePath) || !basePath) { + throw new TypeError("basePath must be a non-empty string"); + } + + /** + * The path of the config file that this array was loaded from. + * This is used to calculate filename matches. + * @property basePath + * @type {string} + */ + this.basePath = basePath; + + assertExtraConfigTypes(extraConfigTypes); + + /** + * The supported config types. + * @type {Array} + */ + this.extraConfigTypes = [...extraConfigTypes]; + Object.freeze(this.extraConfigTypes); + + /** + * A cache to store calculated configs for faster repeat lookup. + * @property configCache + * @type {Map} + * @private + */ + this[ConfigArraySymbol.configCache] = new Map(); + + // init cache + dataCache.set(this, { + explicitMatches: new Map(), + directoryMatches: new Map(), + files: undefined, + ignores: undefined, + }); + + // load the configs into this array + if (Array.isArray(configs)) { + this.push(...configs); + } else { + this.push(configs); + } + + // select path-handling implementations depending on the base path + this.#path = getPathImpl(basePath); + + // On Windows, `path.relative()` returns an absolute path when given two paths on different drives. + // The namespaced base path is useful to make sure that calculated relative paths are always relative. + // On Unix, it is identical to the base path. + this.#namespacedBasePath = this.#path.toNamespacedPath(basePath); + } + + /** + * Prevent normal array methods from creating a new `ConfigArray` instance. + * This is to ensure that methods such as `slice()` won't try to create a + * new instance of `ConfigArray` behind the scenes as doing so may throw + * an error due to the different constructor signature. + * @type {ArrayConstructor} The `Array` constructor. + */ + static get [Symbol.species]() { + return Array; + } + + /** + * Returns the `files` globs from every config object in the array. + * This can be used to determine which files will be matched by a + * config array or to use as a glob pattern when no patterns are provided + * for a command line interface. + * @returns {Array} An array of matchers. + */ + get files() { + assertNormalized(this); + + // if this data has been cached, retrieve it + const cache = dataCache.get(this); + + if (cache.files) { + return cache.files; + } + + // otherwise calculate it + + const result = []; + + for (const config of this) { + if (config.files) { + config.files.forEach(filePattern => { + result.push(filePattern); + }); + } + } + + // store result + cache.files = result; + dataCache.set(this, cache); + + return result; + } + + /** + * Returns ignore matchers that should always be ignored regardless of + * the matching `files` fields in any configs. This is necessary to mimic + * the behavior of things like .gitignore and .eslintignore, allowing a + * globbing operation to be faster. + * @returns {Object[]} An array of config objects representing global ignores. + */ + get ignores() { + assertNormalized(this); + + // if this data has been cached, retrieve it + const cache = dataCache.get(this); + + if (cache.ignores) { + return cache.ignores; + } + + // otherwise calculate it + + const result = []; + + for (const config of this) { + /* + * We only count ignores if there are no other keys in the object. + * In this case, it acts list a globally ignored pattern. If there + * are additional keys, then ignores act like exclusions. + */ + if ( + config.ignores && + Object.keys(config).filter(key => !META_FIELDS.has(key)) + .length === 1 + ) { + result.push(config); + } + } + + // store result + cache.ignores = result; + dataCache.set(this, cache); + + return result; + } + + /** + * Indicates if the config array has been normalized. + * @returns {boolean} True if the config array is normalized, false if not. + */ + isNormalized() { + return this[ConfigArraySymbol.isNormalized]; + } + + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {Promise} The current ConfigArray instance. + */ + async normalize(context = {}) { + if (!this.isNormalized()) { + const normalizedConfigs = await normalize( + this, + context, + this.extraConfigTypes, + this.#namespacedBasePath, + this.#path, + ); + this.length = 0; + this.push( + ...normalizedConfigs.map( + this[ConfigArraySymbol.preprocessConfig].bind(this), + ), + ); + this.forEach(assertValidBaseConfig); + this[ConfigArraySymbol.isNormalized] = true; + + // prevent further changes + Object.freeze(this); + } + + return this; + } + + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {ConfigArray} The current ConfigArray instance. + */ + normalizeSync(context = {}) { + if (!this.isNormalized()) { + const normalizedConfigs = normalizeSync( + this, + context, + this.extraConfigTypes, + this.#namespacedBasePath, + this.#path, + ); + this.length = 0; + this.push( + ...normalizedConfigs.map( + this[ConfigArraySymbol.preprocessConfig].bind(this), + ), + ); + this.forEach(assertValidBaseConfig); + this[ConfigArraySymbol.isNormalized] = true; + + // prevent further changes + Object.freeze(this); + } + + return this; + } + + /* eslint-disable class-methods-use-this -- Desired as instance methods */ + + /** + * Finalizes the state of a config before being cached and returned by + * `getConfig()`. Does nothing by default but is provided to be + * overridden by subclasses as necessary. + * @param {Object} config The config to finalize. + * @returns {Object} The finalized config. + */ + // Cast key to `never` to prevent TypeScript from adding the signature `[x: symbol]: (config: any) => any` to the type of the class. + [/** @type {never} */ (ConfigArraySymbol.finalizeConfig)](config) { + return config; + } + + /** + * Preprocesses a config during the normalization process. This is the + * method to override if you want to convert an array item before it is + * validated for the first time. For example, if you want to replace a + * string with an object, this is the method to override. + * @param {Object} config The config to preprocess. + * @returns {Object} The config to use in place of the argument. + */ + // Cast key to `never` to prevent TypeScript from adding the signature `[x: symbol]: (config: any) => any` to the type of the class. + [/** @type {never} */ (ConfigArraySymbol.preprocessConfig)](config) { + return config; + } + + /* eslint-enable class-methods-use-this -- Desired as instance methods */ + + /** + * Returns the config object for a given file path and a status that can be used to determine why a file has no config. + * @param {string} filePath The path of a file to get a config for. + * @returns {{ config?: Object, status: "ignored"|"external"|"unconfigured"|"matched" }} + * An object with an optional property `config` and property `status`. + * `config` is the config object for the specified file as returned by {@linkcode ConfigArray.getConfig}, + * `status` a is one of the constants returned by {@linkcode ConfigArray.getConfigStatus}. + */ + getConfigWithStatus(filePath) { + assertNormalized(this); + + const cache = this[ConfigArraySymbol.configCache]; + + // first check the cache for a filename match to avoid duplicate work + if (cache.has(filePath)) { + return cache.get(filePath); + } + + // check to see if the file is outside the base path + + const relativeToBaseFilePath = toRelativePath( + filePath, + this.#namespacedBasePath, + this.#path, + ); + + if (EXTERNAL_PATH_REGEX.test(relativeToBaseFilePath)) { + debug(`No config for file ${filePath} outside of base path`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_EXTERNAL); + return CONFIG_WITH_STATUS_EXTERNAL; + } + + // next check to see if the file should be ignored + + // check if this should be ignored due to its directory + if (this.isDirectoryIgnored(this.#path.dirname(filePath))) { + debug(`Ignoring ${filePath} based on directory pattern`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_IGNORED); + return CONFIG_WITH_STATUS_IGNORED; + } + + if ( + shouldIgnorePath(this.ignores, filePath, relativeToBaseFilePath, { + basePath: this.#namespacedBasePath, + path: this.#path, + }) + ) { + debug(`Ignoring ${filePath} based on file pattern`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_IGNORED); + return CONFIG_WITH_STATUS_IGNORED; + } + + // filePath isn't automatically ignored, so try to construct config + + const matchingConfigIndices = []; + let matchFound = false; + const universalPattern = /^\*$|^!|\/\*{1,2}$/u; + + this.forEach((config, index) => { + const relativeFilePath = config.basePath + ? toRelativePath( + this.#path.resolve(this.#namespacedBasePath, filePath), + config.basePath, + this.#path, + ) + : relativeToBaseFilePath; + + if (config.basePath && EXTERNAL_PATH_REGEX.test(relativeFilePath)) { + debug( + `Skipped config found for ${filePath} (based on config's base path: ${config.basePath}`, + ); + return; + } + + if (!config.files) { + if (!config.ignores) { + debug(`Universal config found for ${filePath}`); + matchingConfigIndices.push(index); + return; + } + + if ( + Object.keys(config).filter(key => !META_FIELDS.has(key)) + .length === 1 + ) { + debug( + `Skipped config found for ${filePath} (global ignores)`, + ); + return; + } + + /* + * Pass config object without `basePath`, because `relativeFilePath` is already + * calculated as relative to it. + */ + if ( + shouldIgnorePath( + [{ ignores: config.ignores }], + filePath, + relativeFilePath, + ) + ) { + debug( + `Skipped config found for ${filePath} (based on ignores: ${config.ignores})`, + ); + return; + } + + debug( + `Matching config found for ${filePath} (based on ignores: ${config.ignores})`, + ); + matchingConfigIndices.push(index); + return; + } + + /* + * If a config has a files pattern * or patterns ending in /** or /*, + * and the filePath only matches those patterns, then the config is only + * applied if there is another config where the filePath matches + * a file with a specific extensions such as *.js. + */ + + const nonUniversalFiles = []; + const universalFiles = config.files.filter(element => { + if (Array.isArray(element)) { + /* + * filePath matches an element that is an array only if it matches + * all patterns in it (AND operation). Therefore, if there is at least + * one non-universal pattern in the array, and filePath matches the array, + * then we know for sure that filePath matches at least one non-universal + * pattern, so we can consider the entire array to be non-universal. + * In other words, all patterns in the array need to be universal + * for it to be considered universal. + */ + if ( + element.every(pattern => universalPattern.test(pattern)) + ) { + return true; + } + + nonUniversalFiles.push(element); + return false; + } + + // element is a string + + if (universalPattern.test(element)) { + return true; + } + + nonUniversalFiles.push(element); + return false; + }); + + // universal patterns were found so we need to check the config twice + if (universalFiles.length) { + debug("Universal files patterns found. Checking carefully."); + + // check that the config matches without the non-universal files first + if ( + nonUniversalFiles.length && + pathMatches(filePath, relativeFilePath, { + files: nonUniversalFiles, + ignores: config.ignores, + }) + ) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + matchFound = true; + return; + } + + // if there wasn't a match then check if it matches with universal files + if ( + universalFiles.length && + pathMatches(filePath, relativeFilePath, { + files: universalFiles, + ignores: config.ignores, + }) + ) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + return; + } + + // if we make here, then there was no match + return; + } + + // the normal case + if (pathMatches(filePath, relativeFilePath, config)) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + matchFound = true; + } + }); + + // if matching both files and ignores, there will be no config to create + if (!matchFound) { + debug(`No matching configs found for ${filePath}`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_UNCONFIGURED); + return CONFIG_WITH_STATUS_UNCONFIGURED; + } + + // check to see if there is a config cached by indices + const indicesKey = matchingConfigIndices.toString(); + let configWithStatus = cache.get(indicesKey); + + if (configWithStatus) { + // also store for filename for faster lookup next time + cache.set(filePath, configWithStatus); + + return configWithStatus; + } + + // otherwise construct the config + + // eslint-disable-next-line array-callback-return, consistent-return -- rethrowConfigError always throws an error + let finalConfig = matchingConfigIndices.reduce((result, index) => { + try { + return this[ConfigArraySymbol.schema].merge( + result, + this[index], + ); + } catch (validationError) { + rethrowConfigError(this[index], index, validationError); + } + }, {}); + + finalConfig = this[ConfigArraySymbol.finalizeConfig](finalConfig); + + configWithStatus = Object.freeze({ + config: finalConfig, + status: "matched", + }); + cache.set(filePath, configWithStatus); + cache.set(indicesKey, configWithStatus); + + return configWithStatus; + } + + /** + * Returns the config object for a given file path. + * @param {string} filePath The path of a file to get a config for. + * @returns {Object|undefined} The config object for this file or `undefined`. + */ + getConfig(filePath) { + return this.getConfigWithStatus(filePath).config; + } + + /** + * Determines whether a file has a config or why it doesn't. + * @param {string} filePath The path of the file to check. + * @returns {"ignored"|"external"|"unconfigured"|"matched"} One of the following values: + * * `"ignored"`: the file is ignored + * * `"external"`: the file is outside the base path + * * `"unconfigured"`: the file is not matched by any config + * * `"matched"`: the file has a matching config + */ + getConfigStatus(filePath) { + return this.getConfigWithStatus(filePath).status; + } + + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + * @deprecated Use `isFileIgnored` instead. + */ + isIgnored(filePath) { + return this.isFileIgnored(filePath); + } + + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + */ + isFileIgnored(filePath) { + return this.getConfigStatus(filePath) === "ignored"; + } + + /** + * Determines if the given directory is ignored based on the configs. + * This checks only default `ignores` that don't have `files` in the + * same config. A pattern such as `/foo` be considered to ignore the directory + * while a pattern such as `/foo/**` is not considered to ignore the + * directory because it is matching files. + * @param {string} directoryPath The path of a directory to check. + * @returns {boolean} True if the directory is ignored, false if not. Will + * return true for any directory that is not inside of `basePath`. + * @throws {Error} When the `ConfigArray` is not normalized. + */ + isDirectoryIgnored(directoryPath) { + assertNormalized(this); + + const relativeDirectoryPath = toRelativePath( + directoryPath, + this.#namespacedBasePath, + this.#path, + ); + + // basePath directory can never be ignored + if (relativeDirectoryPath === "") { + return false; + } + + if (EXTERNAL_PATH_REGEX.test(relativeDirectoryPath)) { + return true; + } + + // first check the cache + const cache = dataCache.get(this).directoryMatches; + + if (cache.has(relativeDirectoryPath)) { + return cache.get(relativeDirectoryPath); + } + + const directoryParts = relativeDirectoryPath.split("/"); + let relativeDirectoryToCheck = ""; + let result; + + /* + * In order to get the correct gitignore-style ignores, where an + * ignored parent directory cannot have any descendants unignored, + * we need to check every directory starting at the parent all + * the way down to the actual requested directory. + * + * We aggressively cache all of this info to make sure we don't + * have to recalculate everything for every call. + */ + do { + relativeDirectoryToCheck += `${directoryParts.shift()}/`; + + result = shouldIgnorePath( + this.ignores, + this.#path.join(this.basePath, relativeDirectoryToCheck), + relativeDirectoryToCheck, + { + basePath: this.#namespacedBasePath, + path: this.#path, + }, + ); + + cache.set(relativeDirectoryToCheck, result); + } while (!result && directoryParts.length); + + // also cache the result for the requested path + cache.set(relativeDirectoryPath, result); + + return result; + } +} + +Object.defineProperty(exports, "ObjectSchema", { + enumerable: true, + get: function () { return objectSchema.ObjectSchema; } +}); +exports.ConfigArray = ConfigArray; +exports.ConfigArraySymbol = ConfigArraySymbol; diff --git a/node_modules/@eslint/config-array/dist/cjs/index.d.cts b/node_modules/@eslint/config-array/dist/cjs/index.d.cts new file mode 100644 index 000000000..f1a387de4 --- /dev/null +++ b/node_modules/@eslint/config-array/dist/cjs/index.d.cts @@ -0,0 +1,145 @@ +export { ObjectSchema } from "@eslint/object-schema"; +export type PropertyDefinition = $eslintobjectschema.PropertyDefinition; +export type ObjectDefinition = $eslintobjectschema.ObjectDefinition; +export type ConfigObject = $typests.ConfigObject; +export type IMinimatchStatic = minimatch.IMinimatchStatic; +export type IMinimatch = minimatch.IMinimatch; +export type ObjectSchemaInstance = ObjectSchema; +/** + * Represents an array of config objects and provides method for working with + * those config objects. + */ +export class ConfigArray extends Array { + /** + * Creates a new instance of ConfigArray. + * @param {Iterable|Function|Object} configs An iterable yielding config + * objects, or a config function, or a config object. + * @param {Object} options The options for the ConfigArray. + * @param {string} [options.basePath="/"] The absolute path of the config file directory. + * Defaults to `"/"`. + * @param {boolean} [options.normalized=false] Flag indicating if the + * configs have already been normalized. + * @param {Object} [options.schema] The additional schema + * definitions to use for the ConfigArray schema. + * @param {Array} [options.extraConfigTypes] List of config types supported. + * @throws {TypeError} When the `basePath` is not a non-empty string, + */ + constructor(configs: Iterable | Function | any, { basePath, normalized, schema: customSchema, extraConfigTypes, }?: { + basePath?: string; + normalized?: boolean; + schema?: any; + extraConfigTypes?: Array; + }); + /** + * The path of the config file that this array was loaded from. + * This is used to calculate filename matches. + * @property basePath + * @type {string} + */ + basePath: string; + /** + * The supported config types. + * @type {Array} + */ + extraConfigTypes: Array; + /** + * Returns the `files` globs from every config object in the array. + * This can be used to determine which files will be matched by a + * config array or to use as a glob pattern when no patterns are provided + * for a command line interface. + * @returns {Array} An array of matchers. + */ + get files(): Array; + /** + * Returns ignore matchers that should always be ignored regardless of + * the matching `files` fields in any configs. This is necessary to mimic + * the behavior of things like .gitignore and .eslintignore, allowing a + * globbing operation to be faster. + * @returns {Object[]} An array of config objects representing global ignores. + */ + get ignores(): any[]; + /** + * Indicates if the config array has been normalized. + * @returns {boolean} True if the config array is normalized, false if not. + */ + isNormalized(): boolean; + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {Promise} The current ConfigArray instance. + */ + normalize(context?: any): Promise; + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {ConfigArray} The current ConfigArray instance. + */ + normalizeSync(context?: any): ConfigArray; + /** + * Returns the config object for a given file path and a status that can be used to determine why a file has no config. + * @param {string} filePath The path of a file to get a config for. + * @returns {{ config?: Object, status: "ignored"|"external"|"unconfigured"|"matched" }} + * An object with an optional property `config` and property `status`. + * `config` is the config object for the specified file as returned by {@linkcode ConfigArray.getConfig}, + * `status` a is one of the constants returned by {@linkcode ConfigArray.getConfigStatus}. + */ + getConfigWithStatus(filePath: string): { + config?: any; + status: "ignored" | "external" | "unconfigured" | "matched"; + }; + /** + * Returns the config object for a given file path. + * @param {string} filePath The path of a file to get a config for. + * @returns {Object|undefined} The config object for this file or `undefined`. + */ + getConfig(filePath: string): any | undefined; + /** + * Determines whether a file has a config or why it doesn't. + * @param {string} filePath The path of the file to check. + * @returns {"ignored"|"external"|"unconfigured"|"matched"} One of the following values: + * * `"ignored"`: the file is ignored + * * `"external"`: the file is outside the base path + * * `"unconfigured"`: the file is not matched by any config + * * `"matched"`: the file has a matching config + */ + getConfigStatus(filePath: string): "ignored" | "external" | "unconfigured" | "matched"; + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + * @deprecated Use `isFileIgnored` instead. + */ + isIgnored(filePath: string): boolean; + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + */ + isFileIgnored(filePath: string): boolean; + /** + * Determines if the given directory is ignored based on the configs. + * This checks only default `ignores` that don't have `files` in the + * same config. A pattern such as `/foo` be considered to ignore the directory + * while a pattern such as `/foo/**` is not considered to ignore the + * directory because it is matching files. + * @param {string} directoryPath The path of a directory to check. + * @returns {boolean} True if the directory is ignored, false if not. Will + * return true for any directory that is not inside of `basePath`. + * @throws {Error} When the `ConfigArray` is not normalized. + */ + isDirectoryIgnored(directoryPath: string): boolean; + #private; +} +export namespace ConfigArraySymbol { + let isNormalized: symbol; + let configCache: symbol; + let schema: symbol; + let finalizeConfig: symbol; + let preprocessConfig: symbol; +} +import type * as $eslintobjectschema from "@eslint/object-schema"; +import type * as $typests from "./types.cts"; +import minimatch from 'minimatch'; +import { ObjectSchema } from '@eslint/object-schema'; diff --git a/node_modules/@eslint/config-array/dist/cjs/std__path/posix.cjs b/node_modules/@eslint/config-array/dist/cjs/std__path/posix.cjs new file mode 100644 index 000000000..5f1344da0 --- /dev/null +++ b/node_modules/@eslint/config-array/dist/cjs/std__path/posix.cjs @@ -0,0 +1,1336 @@ +// @ts-nocheck +'use strict'; + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +function assertPath(path) { + if (typeof path !== "string") { + throw new TypeError(`Path must be a string, received "${JSON.stringify(path)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function stripSuffix(name, suffix) { + if (suffix.length >= name.length) { + return name; + } + const lenDiff = name.length - suffix.length; + for(let i = suffix.length - 1; i >= 0; --i){ + if (name.charCodeAt(lenDiff + i) !== suffix.charCodeAt(i)) { + return name; + } + } + return name.slice(0, -suffix.length); +} +function lastPathSegment(path, isSep, start = 0) { + let matchedNonSeparator = false; + let end = path.length; + for(let i = path.length - 1; i >= start; --i){ + if (isSep(path.charCodeAt(i))) { + if (matchedNonSeparator) { + start = i + 1; + break; + } + } else if (!matchedNonSeparator) { + matchedNonSeparator = true; + end = i + 1; + } + } + return path.slice(start, end); +} +function assertArgs$1(path, suffix) { + assertPath(path); + if (path.length === 0) return path; + if (typeof suffix !== "string") { + throw new TypeError(`Suffix must be a string, received "${JSON.stringify(suffix)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$3(url) { + url = url instanceof URL ? url : new URL(url); + if (url.protocol !== "file:") { + throw new TypeError(`URL must be a file URL: received "${url.protocol}"`); + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a file URL to a path string. + * + * @example Usage + * ```ts + * import { fromFileUrl } from "@std/path/posix/from-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(fromFileUrl(new URL("file:///home/foo")), "/home/foo"); + * ``` + * + * @param url The file URL to convert. + * @returns The path string. + */ function fromFileUrl(url) { + url = assertArg$3(url); + return decodeURIComponent(url.pathname.replace(/%(?![0-9A-Fa-f]{2})/g, "%25")); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function stripTrailingSeparators(segment, isSep) { + if (segment.length <= 1) { + return segment; + } + let end = segment.length; + for(let i = segment.length - 1; i > 0; i--){ + if (isSep(segment.charCodeAt(i))) { + end = i; + } else { + break; + } + } + return segment.slice(0, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Alphabet chars. +// Non-alphabetic chars. +const CHAR_DOT = 46; /* . */ +const CHAR_FORWARD_SLASH = 47; /* / */ + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function isPosixPathSeparator(code) { + return code === CHAR_FORWARD_SLASH; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the last portion of a `path`. + * Trailing directory separators are ignored, and optional suffix is removed. + * + * @example Usage + * ```ts + * import { basename } from "@std/path/posix/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("/home/user/Documents/"), "Documents"); + * assertEquals(basename("/home/user/Documents/image.png"), "image.png"); + * assertEquals(basename("/home/user/Documents/image.png", ".png"), "image"); + * assertEquals(basename(new URL("file:///home/user/Documents/image.png")), "image.png"); + * assertEquals(basename(new URL("file:///home/user/Documents/image.png"), ".png"), "image"); + * ``` + * + * @example Working with URLs + * + * Note: This function doesn't automatically strip hash and query parts from + * URLs. If your URL contains a hash or query, remove them before passing the + * URL to the function. This can be done by passing the URL to `new URL(url)`, + * and setting the `hash` and `search` properties to empty strings. + * + * ```ts + * import { basename } from "@std/path/posix/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("https://deno.land/std/path/mod.ts"), "mod.ts"); + * assertEquals(basename("https://deno.land/std/path/mod.ts", ".ts"), "mod"); + * assertEquals(basename("https://deno.land/std/path/mod.ts?a=b"), "mod.ts?a=b"); + * assertEquals(basename("https://deno.land/std/path/mod.ts#header"), "mod.ts#header"); + * ``` + * + * @param path The path to extract the name from. + * @param suffix The suffix to remove from extracted name. + * @returns The extracted name. + */ function basename(path, suffix = "") { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArgs$1(path, suffix); + const lastSegment = lastPathSegment(path, isPosixPathSeparator); + const strippedSegment = stripTrailingSeparators(lastSegment, isPosixPathSeparator); + return suffix ? stripSuffix(strippedSegment, suffix) : strippedSegment; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * The character used to separate entries in the PATH environment variable. + */ const DELIMITER = ":"; +/** + * The character used to separate components of a file path. + */ const SEPARATOR = "/"; +/** + * A regular expression that matches one or more path separators. + */ const SEPARATOR_PATTERN = /\/+/; + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$2(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the directory path of a `path`. + * + * @example Usage + * ```ts + * import { dirname } from "@std/path/posix/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("/home/user/Documents/"), "/home/user"); + * assertEquals(dirname("/home/user/Documents/image.png"), "/home/user/Documents"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts"), "https://deno.land/std/path"); + * assertEquals(dirname(new URL("file:///home/user/Documents/image.png")), "/home/user/Documents"); + * ``` + * + * @example Working with URLs + * + * ```ts + * import { dirname } from "@std/path/posix/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("https://deno.land/std/path/mod.ts"), "https://deno.land/std/path"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts?a=b"), "https://deno.land/std/path"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts#header"), "https://deno.land/std/path"); + * ``` + * + * @param path The path to get the directory from. + * @returns The directory path. + */ function dirname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg$2(path); + let end = -1; + let matchedNonSeparator = false; + for(let i = path.length - 1; i >= 1; --i){ + if (isPosixPathSeparator(path.charCodeAt(i))) { + if (matchedNonSeparator) { + end = i; + break; + } + } else { + matchedNonSeparator = true; + } + } + // No matches. Fallback based on provided path: + // + // - leading slashes paths + // "/foo" => "/" + // "///foo" => "/" + // - no slash path + // "foo" => "." + if (end === -1) { + return isPosixPathSeparator(path.charCodeAt(0)) ? "/" : "."; + } + return stripTrailingSeparators(path.slice(0, end), isPosixPathSeparator); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the extension of the `path` with leading period. + * + * @example Usage + * ```ts + * import { extname } from "@std/path/posix/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("/home/user/Documents/file.ts"), ".ts"); + * assertEquals(extname("/home/user/Documents/"), ""); + * assertEquals(extname("/home/user/Documents/image.png"), ".png"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts")), ".ts"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts?a=b")), ".ts"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts#header")), ".ts"); + * ``` + * + * @example Working with URLs + * + * Note: This function doesn't automatically strip hash and query parts from + * URLs. If your URL contains a hash or query, remove them before passing the + * URL to the function. This can be done by passing the URL to `new URL(url)`, + * and setting the `hash` and `search` properties to empty strings. + * + * ```ts + * import { extname } from "@std/path/posix/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("https://deno.land/std/path/mod.ts"), ".ts"); + * assertEquals(extname("https://deno.land/std/path/mod.ts?a=b"), ".ts?a=b"); + * assertEquals(extname("https://deno.land/std/path/mod.ts#header"), ".ts#header"); + * ``` + * + * @param path The path to get the extension from. + * @returns The extension (ex. for `file.ts` returns `.ts`). + */ function extname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertPath(path); + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + for(let i = path.length - 1; i >= 0; --i){ + const code = path.charCodeAt(i); + if (isPosixPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + return ""; + } + return path.slice(startDot, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function _format(sep, pathObject) { + const dir = pathObject.dir || pathObject.root; + const base = pathObject.base || (pathObject.name ?? "") + (pathObject.ext ?? ""); + if (!dir) return base; + if (base === sep) return dir; + if (dir === pathObject.root) return dir + base; + return dir + sep + base; +} +function assertArg$1(pathObject) { + if (pathObject === null || typeof pathObject !== "object") { + throw new TypeError(`The "pathObject" argument must be of type Object, received type "${typeof pathObject}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Generate a path from `ParsedPath` object. + * + * @example Usage + * ```ts + * import { format } from "@std/path/posix/format"; + * import { assertEquals } from "@std/assert"; + * + * const path = format({ + * root: "/", + * dir: "/path/dir", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * assertEquals(path, "/path/dir/file.txt"); + * ``` + * + * @param pathObject The path object to format. + * @returns The formatted path. + */ function format(pathObject) { + assertArg$1(pathObject); + return _format("/", pathObject); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Verifies whether provided path is absolute. + * + * @example Usage + * ```ts + * import { isAbsolute } from "@std/path/posix/is-absolute"; + * import { assert, assertFalse } from "@std/assert"; + * + * assert(isAbsolute("/home/user/Documents/")); + * assertFalse(isAbsolute("home/user/Documents/")); + * ``` + * + * @param path The path to verify. + * @returns Whether the path is absolute. + */ function isAbsolute(path) { + assertPath(path); + return path.length > 0 && isPosixPathSeparator(path.charCodeAt(0)); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Resolves . and .. elements in a path with directory names +function normalizeString(path, allowAboveRoot, separator, isPathSeparator) { + let res = ""; + let lastSegmentLength = 0; + let lastSlash = -1; + let dots = 0; + let code; + for(let i = 0; i <= path.length; ++i){ + if (i < path.length) code = path.charCodeAt(i); + else if (isPathSeparator(code)) break; + else code = CHAR_FORWARD_SLASH; + if (isPathSeparator(code)) { + if (lastSlash === i - 1 || dots === 1) ; else if (lastSlash !== i - 1 && dots === 2) { + if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== CHAR_DOT || res.charCodeAt(res.length - 2) !== CHAR_DOT) { + if (res.length > 2) { + const lastSlashIndex = res.lastIndexOf(separator); + if (lastSlashIndex === -1) { + res = ""; + lastSegmentLength = 0; + } else { + res = res.slice(0, lastSlashIndex); + lastSegmentLength = res.length - 1 - res.lastIndexOf(separator); + } + lastSlash = i; + dots = 0; + continue; + } else if (res.length === 2 || res.length === 1) { + res = ""; + lastSegmentLength = 0; + lastSlash = i; + dots = 0; + continue; + } + } + if (allowAboveRoot) { + if (res.length > 0) res += `${separator}..`; + else res = ".."; + lastSegmentLength = 2; + } + } else { + if (res.length > 0) res += separator + path.slice(lastSlash + 1, i); + else res = path.slice(lastSlash + 1, i); + lastSegmentLength = i - lastSlash - 1; + } + lastSlash = i; + dots = 0; + } else if (code === CHAR_DOT && dots !== -1) { + ++dots; + } else { + dots = -1; + } + } + return res; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Normalize the `path`, resolving `'..'` and `'.'` segments. + * Note that resolving these segments does not necessarily mean that all will be eliminated. + * A `'..'` at the top-level will be preserved, and an empty path is canonically `'.'`. + * + * @example Usage + * ```ts + * import { normalize } from "@std/path/posix/normalize"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(normalize("/foo/bar//baz/asdf/quux/.."), "/foo/bar/baz/asdf"); + * assertEquals(normalize(new URL("file:///foo/bar//baz/asdf/quux/..")), "/foo/bar/baz/asdf/"); + * ``` + * + * @example Working with URLs + * + * Note: This function will remove the double slashes from a URL's scheme. + * Hence, do not pass a full URL to this function. Instead, pass the pathname of + * the URL. + * + * ```ts + * import { normalize } from "@std/path/posix/normalize"; + * import { assertEquals } from "@std/assert"; + * + * const url = new URL("https://deno.land"); + * url.pathname = normalize("//std//assert//.//mod.ts"); + * assertEquals(url.href, "https://deno.land/std/assert/mod.ts"); + * + * url.pathname = normalize("std/assert/../async/retry.ts"); + * assertEquals(url.href, "https://deno.land/std/async/retry.ts"); + * ``` + * + * @param path The path to normalize. + * @returns The normalized path. + */ function normalize(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg(path); + const isAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + const trailingSeparator = isPosixPathSeparator(path.charCodeAt(path.length - 1)); + // Normalize the path + path = normalizeString(path, !isAbsolute, "/", isPosixPathSeparator); + if (path.length === 0 && !isAbsolute) path = "."; + if (path.length > 0 && trailingSeparator) path += "/"; + if (isAbsolute) return `/${path}`; + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Join all given a sequence of `paths`,then normalizes the resulting path. + * + * @example Usage + * ```ts + * import { join } from "@std/path/posix/join"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(join("/foo", "bar", "baz/asdf", "quux", ".."), "/foo/bar/baz/asdf"); + * assertEquals(join(new URL("file:///foo"), "bar", "baz/asdf", "quux", ".."), "/foo/bar/baz/asdf"); + * ``` + * + * @example Working with URLs + * ```ts + * import { join } from "@std/path/posix/join"; + * import { assertEquals } from "@std/assert"; + * + * const url = new URL("https://deno.land"); + * url.pathname = join("std", "path", "mod.ts"); + * assertEquals(url.href, "https://deno.land/std/path/mod.ts"); + * + * url.pathname = join("//std", "path/", "/mod.ts"); + * assertEquals(url.href, "https://deno.land/std/path/mod.ts"); + * ``` + * + * @param path The path to join. This can be string or file URL. + * @param paths The paths to join. + * @returns The joined path. + */ function join(path, ...paths) { + if (path === undefined) return "."; + if (path instanceof URL) { + path = fromFileUrl(path); + } + paths = path ? [ + path, + ...paths + ] : paths; + paths.forEach((path)=>assertPath(path)); + const joined = paths.filter((path)=>path.length > 0).join("/"); + return joined === "" ? "." : normalize(joined); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return a `ParsedPath` object of the `path`. + * + * @example Usage + * ```ts + * import { parse } from "@std/path/posix/parse"; + * import { assertEquals } from "@std/assert"; + * + * const path = parse("/home/user/file.txt"); + * assertEquals(path, { + * root: "/", + * dir: "/home/user", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * ``` + * + * @param path The path to parse. + * @returns The parsed path object. + */ function parse(path) { + assertPath(path); + const ret = { + root: "", + dir: "", + base: "", + ext: "", + name: "" + }; + if (path.length === 0) return ret; + const isAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + let start; + if (isAbsolute) { + ret.root = "/"; + start = 1; + } else { + start = 0; + } + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + let i = path.length - 1; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Get non-dir info + for(; i >= start; --i){ + const code = path.charCodeAt(i); + if (isPosixPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + if (end !== -1) { + if (startPart === 0 && isAbsolute) { + ret.base = ret.name = path.slice(1, end); + } else { + ret.base = ret.name = path.slice(startPart, end); + } + } + // Fallback to '/' in case there is no basename + ret.base = ret.base || "/"; + } else { + if (startPart === 0 && isAbsolute) { + ret.name = path.slice(1, startDot); + ret.base = path.slice(1, end); + } else { + ret.name = path.slice(startPart, startDot); + ret.base = path.slice(startPart, end); + } + ret.ext = path.slice(startDot, end); + } + if (startPart > 0) { + ret.dir = stripTrailingSeparators(path.slice(0, startPart - 1), isPosixPathSeparator); + } else if (isAbsolute) ret.dir = "/"; + return ret; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path segments into a `path`. + * + * @example Usage + * ```ts + * import { resolve } from "@std/path/posix/resolve"; + * import { assertEquals } from "@std/assert"; + * + * const path = resolve("/foo", "bar", "baz/asdf", "quux", ".."); + * assertEquals(path, "/foo/bar/baz/asdf"); + * ``` + * + * @param pathSegments The path segments to resolve. + * @returns The resolved path. + */ function resolve(...pathSegments) { + let resolvedPath = ""; + let resolvedAbsolute = false; + for(let i = pathSegments.length - 1; i >= -1 && !resolvedAbsolute; i--){ + let path; + if (i >= 0) path = pathSegments[i]; + else { + // deno-lint-ignore no-explicit-any + const { Deno } = globalThis; + if (typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a relative path without a current working directory (CWD)"); + } + path = Deno.cwd(); + } + assertPath(path); + // Skip empty entries + if (path.length === 0) { + continue; + } + resolvedPath = `${path}/${resolvedPath}`; + resolvedAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + } + // At this point the path should be resolved to a full absolute path, but + // handle relative paths to be safe (might happen when Deno.cwd() fails) + // Normalize the path + resolvedPath = normalizeString(resolvedPath, !resolvedAbsolute, "/", isPosixPathSeparator); + if (resolvedAbsolute) { + if (resolvedPath.length > 0) return `/${resolvedPath}`; + else return "/"; + } else if (resolvedPath.length > 0) return resolvedPath; + else return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArgs(from, to) { + assertPath(from); + assertPath(to); + if (from === to) return ""; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the relative path from `from` to `to` based on current working directory. + * + * If `from` and `to` are the same, return an empty string. + * + * @example Usage + * ```ts + * import { relative } from "@std/path/posix/relative"; + * import { assertEquals } from "@std/assert"; + * + * const path = relative("/data/orandea/test/aaa", "/data/orandea/impl/bbb"); + * assertEquals(path, "../../impl/bbb"); + * ``` + * + * @param from The path to start from. + * @param to The path to reach. + * @returns The relative path. + */ function relative(from, to) { + assertArgs(from, to); + from = resolve(from); + to = resolve(to); + if (from === to) return ""; + // Trim any leading backslashes + let fromStart = 1; + const fromEnd = from.length; + for(; fromStart < fromEnd; ++fromStart){ + if (!isPosixPathSeparator(from.charCodeAt(fromStart))) break; + } + const fromLen = fromEnd - fromStart; + // Trim any leading backslashes + let toStart = 1; + const toEnd = to.length; + for(; toStart < toEnd; ++toStart){ + if (!isPosixPathSeparator(to.charCodeAt(toStart))) break; + } + const toLen = toEnd - toStart; + // Compare paths to find the longest common path from root + const length = fromLen < toLen ? fromLen : toLen; + let lastCommonSep = -1; + let i = 0; + for(; i <= length; ++i){ + if (i === length) { + if (toLen > length) { + if (isPosixPathSeparator(to.charCodeAt(toStart + i))) { + // We get here if `from` is the exact base path for `to`. + // For example: from='/foo/bar'; to='/foo/bar/baz' + return to.slice(toStart + i + 1); + } else if (i === 0) { + // We get here if `from` is the root + // For example: from='/'; to='/foo' + return to.slice(toStart + i); + } + } else if (fromLen > length) { + if (isPosixPathSeparator(from.charCodeAt(fromStart + i))) { + // We get here if `to` is the exact base path for `from`. + // For example: from='/foo/bar/baz'; to='/foo/bar' + lastCommonSep = i; + } else if (i === 0) { + // We get here if `to` is the root. + // For example: from='/foo'; to='/' + lastCommonSep = 0; + } + } + break; + } + const fromCode = from.charCodeAt(fromStart + i); + const toCode = to.charCodeAt(toStart + i); + if (fromCode !== toCode) break; + else if (isPosixPathSeparator(fromCode)) lastCommonSep = i; + } + let out = ""; + // Generate the relative path based on the path difference between `to` + // and `from` + for(i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i){ + if (i === fromEnd || isPosixPathSeparator(from.charCodeAt(i))) { + if (out.length === 0) out += ".."; + else out += "/.."; + } + } + // Lastly, append the rest of the destination (`to`) path that comes after + // the common path parts + if (out.length > 0) return out + to.slice(toStart + lastCommonSep); + else { + toStart += lastCommonSep; + if (isPosixPathSeparator(to.charCodeAt(toStart))) ++toStart; + return to.slice(toStart); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const WHITESPACE_ENCODINGS = { + "\u0009": "%09", + "\u000A": "%0A", + "\u000B": "%0B", + "\u000C": "%0C", + "\u000D": "%0D", + "\u0020": "%20" +}; +function encodeWhitespace(string) { + return string.replaceAll(/[\s]/g, (c)=>{ + return WHITESPACE_ENCODINGS[c] ?? c; + }); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path string to a file URL. + * + * @example Usage + * ```ts + * import { toFileUrl } from "@std/path/posix/to-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toFileUrl("/home/foo"), new URL("file:///home/foo")); + * assertEquals(toFileUrl("/home/foo bar"), new URL("file:///home/foo%20bar")); + * ``` + * + * @param path The path to convert. + * @returns The file URL. + */ function toFileUrl(path) { + if (!isAbsolute(path)) { + throw new TypeError(`Path must be absolute: received "${path}"`); + } + const url = new URL("file:///"); + url.pathname = encodeWhitespace(path.replace(/%/g, "%25").replace(/\\/g, "%5C")); + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path to a namespaced path. This function returns the path as is on posix. + * + * @example Usage + * ```ts + * import { toNamespacedPath } from "@std/path/posix/to-namespaced-path"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toNamespacedPath("/home/foo"), "/home/foo"); + * ``` + * + * @param path The path. + * @returns The namespaced path. + */ function toNamespacedPath(path) { + // Non-op on posix systems + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function common$1(paths, sep) { + const [first = "", ...remaining] = paths; + const parts = first.split(sep); + let endOfPrefix = parts.length; + let append = ""; + for (const path of remaining){ + const compare = path.split(sep); + if (compare.length <= endOfPrefix) { + endOfPrefix = compare.length; + append = ""; + } + for(let i = 0; i < endOfPrefix; i++){ + if (compare[i] !== parts[i]) { + endOfPrefix = i; + append = i === 0 ? "" : sep; + break; + } + } + } + return parts.slice(0, endOfPrefix).join(sep) + append; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** Determines the common path from a set of paths for POSIX systems. + * + * @example Usage + * ```ts + * import { common } from "@std/path/posix/common"; + * import { assertEquals } from "@std/assert"; + * + * const path = common([ + * "./deno/std/path/mod.ts", + * "./deno/std/fs/mod.ts", + * ]); + * assertEquals(path, "./deno/std/"); + * ``` + * + * @param paths The paths to compare. + * @returns The common path. + */ function common(paths) { + return common$1(paths, SEPARATOR); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Options for {@linkcode globToRegExp}, {@linkcode joinGlobs}, + * {@linkcode normalizeGlob} and {@linkcode expandGlob}. + */ const REG_EXP_ESCAPE_CHARS = [ + "!", + "$", + "(", + ")", + "*", + "+", + ".", + "=", + "?", + "[", + "\\", + "^", + "{", + "|" +]; +const RANGE_ESCAPE_CHARS = [ + "-", + "\\", + "]" +]; +function _globToRegExp(c, glob, { extended = true, globstar: globstarOption = true, // os = osType, +caseInsensitive = false } = {}) { + if (glob === "") { + return /(?!)/; + } + // Remove trailing separators. + let newLength = glob.length; + for(; newLength > 1 && c.seps.includes(glob[newLength - 1]); newLength--); + glob = glob.slice(0, newLength); + let regExpString = ""; + // Terminates correctly. Trust that `j` is incremented every iteration. + for(let j = 0; j < glob.length;){ + let segment = ""; + const groupStack = []; + let inRange = false; + let inEscape = false; + let endsWithSep = false; + let i = j; + // Terminates with `i` at the non-inclusive end of the current segment. + for(; i < glob.length && !c.seps.includes(glob[i]); i++){ + if (inEscape) { + inEscape = false; + const escapeChars = inRange ? RANGE_ESCAPE_CHARS : REG_EXP_ESCAPE_CHARS; + segment += escapeChars.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + continue; + } + if (glob[i] === c.escapePrefix) { + inEscape = true; + continue; + } + if (glob[i] === "[") { + if (!inRange) { + inRange = true; + segment += "["; + if (glob[i + 1] === "!") { + i++; + segment += "^"; + } else if (glob[i + 1] === "^") { + i++; + segment += "\\^"; + } + continue; + } else if (glob[i + 1] === ":") { + let k = i + 1; + let value = ""; + while(glob[k + 1] !== undefined && glob[k + 1] !== ":"){ + value += glob[k + 1]; + k++; + } + if (glob[k + 1] === ":" && glob[k + 2] === "]") { + i = k + 2; + if (value === "alnum") segment += "\\dA-Za-z"; + else if (value === "alpha") segment += "A-Za-z"; + else if (value === "ascii") segment += "\x00-\x7F"; + else if (value === "blank") segment += "\t "; + else if (value === "cntrl") segment += "\x00-\x1F\x7F"; + else if (value === "digit") segment += "\\d"; + else if (value === "graph") segment += "\x21-\x7E"; + else if (value === "lower") segment += "a-z"; + else if (value === "print") segment += "\x20-\x7E"; + else if (value === "punct") { + segment += "!\"#$%&'()*+,\\-./:;<=>?@[\\\\\\]^_‘{|}~"; + } else if (value === "space") segment += "\\s\v"; + else if (value === "upper") segment += "A-Z"; + else if (value === "word") segment += "\\w"; + else if (value === "xdigit") segment += "\\dA-Fa-f"; + continue; + } + } + } + if (glob[i] === "]" && inRange) { + inRange = false; + segment += "]"; + continue; + } + if (inRange) { + segment += glob[i]; + continue; + } + if (glob[i] === ")" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += ")"; + const type = groupStack.pop(); + if (type === "!") { + segment += c.wildcard; + } else if (type !== "@") { + segment += type; + } + continue; + } + if (glob[i] === "|" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "+" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("+"); + segment += "(?:"; + continue; + } + if (glob[i] === "@" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("@"); + segment += "(?:"; + continue; + } + if (glob[i] === "?") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("?"); + segment += "(?:"; + } else { + segment += "."; + } + continue; + } + if (glob[i] === "!" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("!"); + segment += "(?!"; + continue; + } + if (glob[i] === "{") { + groupStack.push("BRACE"); + segment += "(?:"; + continue; + } + if (glob[i] === "}" && groupStack[groupStack.length - 1] === "BRACE") { + groupStack.pop(); + segment += ")"; + continue; + } + if (glob[i] === "," && groupStack[groupStack.length - 1] === "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "*") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("*"); + segment += "(?:"; + } else { + const prevChar = glob[i - 1]; + let numStars = 1; + while(glob[i + 1] === "*"){ + i++; + numStars++; + } + const nextChar = glob[i + 1]; + if (globstarOption && numStars === 2 && [ + ...c.seps, + undefined + ].includes(prevChar) && [ + ...c.seps, + undefined + ].includes(nextChar)) { + segment += c.globstar; + endsWithSep = true; + } else { + segment += c.wildcard; + } + } + continue; + } + segment += REG_EXP_ESCAPE_CHARS.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + } + // Check for unclosed groups or a dangling backslash. + if (groupStack.length > 0 || inRange || inEscape) { + // Parse failure. Take all characters from this segment literally. + segment = ""; + for (const c of glob.slice(j, i)){ + segment += REG_EXP_ESCAPE_CHARS.includes(c) ? `\\${c}` : c; + endsWithSep = false; + } + } + regExpString += segment; + if (!endsWithSep) { + regExpString += i < glob.length ? c.sep : c.sepMaybe; + endsWithSep = true; + } + // Terminates with `i` at the start of the next segment. + while(c.seps.includes(glob[i]))i++; + j = i; + } + regExpString = `^${regExpString}$`; + return new RegExp(regExpString, caseInsensitive ? "i" : ""); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const constants = { + sep: "/+", + sepMaybe: "/*", + seps: [ + "/" + ], + globstar: "(?:[^/]*(?:/|$)+)*", + wildcard: "[^/]*", + escapePrefix: "\\" +}; +/** Convert a glob string to a regular expression. + * + * Tries to match bash glob expansion as closely as possible. + * + * Basic glob syntax: + * - `*` - Matches everything without leaving the path segment. + * - `?` - Matches any single character. + * - `{foo,bar}` - Matches `foo` or `bar`. + * - `[abcd]` - Matches `a`, `b`, `c` or `d`. + * - `[a-d]` - Matches `a`, `b`, `c` or `d`. + * - `[!abcd]` - Matches any single character besides `a`, `b`, `c` or `d`. + * - `[[::]]` - Matches any character belonging to ``. + * - `[[:alnum:]]` - Matches any digit or letter. + * - `[[:digit:]abc]` - Matches any digit, `a`, `b` or `c`. + * - See https://facelessuser.github.io/wcmatch/glob/#posix-character-classes + * for a complete list of supported character classes. + * - `\` - Escapes the next character for an `os` other than `"windows"`. + * - \` - Escapes the next character for `os` set to `"windows"`. + * - `/` - Path separator. + * - `\` - Additional path separator only for `os` set to `"windows"`. + * + * Extended syntax: + * - Requires `{ extended: true }`. + * - `?(foo|bar)` - Matches 0 or 1 instance of `{foo,bar}`. + * - `@(foo|bar)` - Matches 1 instance of `{foo,bar}`. They behave the same. + * - `*(foo|bar)` - Matches _n_ instances of `{foo,bar}`. + * - `+(foo|bar)` - Matches _n > 0_ instances of `{foo,bar}`. + * - `!(foo|bar)` - Matches anything other than `{foo,bar}`. + * - See https://www.linuxjournal.com/content/bash-extended-globbing. + * + * Globstar syntax: + * - Requires `{ globstar: true }`. + * - `**` - Matches any number of any path segments. + * - Must comprise its entire path segment in the provided glob. + * - See https://www.linuxjournal.com/content/globstar-new-bash-globbing-option. + * + * Note the following properties: + * - The generated `RegExp` is anchored at both start and end. + * - Repeating and trailing separators are tolerated. Trailing separators in the + * provided glob have no meaning and are discarded. + * - Absolute globs will only match absolute paths, etc. + * - Empty globs will match nothing. + * - Any special glob syntax must be contained to one path segment. For example, + * `?(foo|bar/baz)` is invalid. The separator will take precedence and the + * first segment ends with an unclosed group. + * - If a path segment ends with unclosed groups or a dangling escape prefix, a + * parse error has occurred. Every character for that segment is taken + * literally in this event. + * + * Limitations: + * - A negative group like `!(foo|bar)` will wrongly be converted to a negative + * look-ahead followed by a wildcard. This means that `!(foo).js` will wrongly + * fail to match `foobar.js`, even though `foobar` is not `foo`. Effectively, + * `!(foo|bar)` is treated like `!(@(foo|bar)*)`. This will work correctly if + * the group occurs not nested at the end of the segment. + * + * @example Usage + * ```ts + * import { globToRegExp } from "@std/path/posix/glob-to-regexp"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(globToRegExp("*.js"), /^[^/]*\.js\/*$/); + * ``` + * + * @param glob Glob string to convert. + * @param options Conversion options. + * @returns The regular expression equivalent to the glob. + */ function globToRegExp(glob, options = {}) { + return _globToRegExp(constants, glob, options); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Test whether the given string is a glob. + * + * @example Usage + * ```ts + * import { isGlob } from "@std/path/is-glob"; + * import { assert } from "@std/assert"; + * + * assert(!isGlob("foo/bar/../baz")); + * assert(isGlob("foo/*ar/../baz")); + * ``` + * + * @param str String to test. + * @returns `true` if the given string is a glob, otherwise `false` + */ function isGlob(str) { + const chars = { + "{": "}", + "(": ")", + "[": "]" + }; + const regex = /\\(.)|(^!|\*|\?|[\].+)]\?|\[[^[\\\]]+\]|\{[^{\\}]+\}|\(\?[:!=][^\\)]+\)|\([^(|]+\|[^\\)]+\))/; + if (str === "") { + return false; + } + let match; + while(match = regex.exec(str)){ + if (match[2]) return true; + let idx = match.index + match[0].length; + // if an open bracket/brace/paren is escaped, + // set the index to the next closing character + const open = match[1]; + const close = open ? chars[open] : null; + if (open && close) { + const n = str.indexOf(close, idx); + if (n !== -1) { + idx = n + 1; + } + } + str = str.slice(idx); + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like normalize(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { normalizeGlob } from "@std/path/posix/normalize-glob"; + * import { assertEquals } from "@std/assert"; + * + * const path = normalizeGlob("foo/bar/../*", { globstar: true }); + * assertEquals(path, "foo/*"); + * ``` + * + * @param glob The glob to normalize. + * @param options The options to use. + * @returns The normalized path. + */ function normalizeGlob(glob, options = {}) { + const { globstar = false } = options; + if (glob.match(/\0/g)) { + throw new Error(`Glob contains invalid characters: "${glob}"`); + } + if (!globstar) { + return normalize(glob); + } + const s = SEPARATOR_PATTERN.source; + const badParentPattern = new RegExp(`(?<=(${s}|^)\\*\\*${s})\\.\\.(?=${s}|$)`, "g"); + return normalize(glob.replace(badParentPattern, "\0")).replace(/\0/g, ".."); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like join(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { joinGlobs } from "@std/path/posix/join-globs"; + * import { assertEquals } from "@std/assert"; + * + * const path = joinGlobs(["foo", "bar", "**"], { globstar: true }); + * assertEquals(path, "foo/bar/**"); + * ``` + * + * @param globs The globs to join. + * @param options The options to use. + * @returns The joined path. + */ function joinGlobs(globs, options = {}) { + const { globstar = false } = options; + if (!globstar || globs.length === 0) { + return join(...globs); + } + let joined; + for (const glob of globs){ + const path = glob; + if (path.length > 0) { + if (!joined) joined = path; + else joined += `${SEPARATOR}${path}`; + } + } + if (!joined) return "."; + return normalizeGlob(joined, { + globstar + }); +} + +exports.DELIMITER = DELIMITER; +exports.SEPARATOR = SEPARATOR; +exports.SEPARATOR_PATTERN = SEPARATOR_PATTERN; +exports.basename = basename; +exports.common = common; +exports.dirname = dirname; +exports.extname = extname; +exports.format = format; +exports.fromFileUrl = fromFileUrl; +exports.globToRegExp = globToRegExp; +exports.isAbsolute = isAbsolute; +exports.isGlob = isGlob; +exports.join = join; +exports.joinGlobs = joinGlobs; +exports.normalize = normalize; +exports.normalizeGlob = normalizeGlob; +exports.parse = parse; +exports.relative = relative; +exports.resolve = resolve; +exports.toFileUrl = toFileUrl; +exports.toNamespacedPath = toNamespacedPath; diff --git a/node_modules/@eslint/config-array/dist/cjs/std__path/windows.cjs b/node_modules/@eslint/config-array/dist/cjs/std__path/windows.cjs new file mode 100644 index 000000000..47d94de76 --- /dev/null +++ b/node_modules/@eslint/config-array/dist/cjs/std__path/windows.cjs @@ -0,0 +1,1678 @@ +// @ts-nocheck +'use strict'; + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +function assertPath(path) { + if (typeof path !== "string") { + throw new TypeError(`Path must be a string, received "${JSON.stringify(path)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function stripSuffix(name, suffix) { + if (suffix.length >= name.length) { + return name; + } + const lenDiff = name.length - suffix.length; + for(let i = suffix.length - 1; i >= 0; --i){ + if (name.charCodeAt(lenDiff + i) !== suffix.charCodeAt(i)) { + return name; + } + } + return name.slice(0, -suffix.length); +} +function lastPathSegment(path, isSep, start = 0) { + let matchedNonSeparator = false; + let end = path.length; + for(let i = path.length - 1; i >= start; --i){ + if (isSep(path.charCodeAt(i))) { + if (matchedNonSeparator) { + start = i + 1; + break; + } + } else if (!matchedNonSeparator) { + matchedNonSeparator = true; + end = i + 1; + } + } + return path.slice(start, end); +} +function assertArgs$1(path, suffix) { + assertPath(path); + if (path.length === 0) return path; + if (typeof suffix !== "string") { + throw new TypeError(`Suffix must be a string, received "${JSON.stringify(suffix)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Alphabet chars. +const CHAR_UPPERCASE_A = 65; /* A */ +const CHAR_LOWERCASE_A = 97; /* a */ +const CHAR_UPPERCASE_Z = 90; /* Z */ +const CHAR_LOWERCASE_Z = 122; /* z */ +// Non-alphabetic chars. +const CHAR_DOT = 46; /* . */ +const CHAR_FORWARD_SLASH = 47; /* / */ +const CHAR_BACKWARD_SLASH = 92; /* \ */ +const CHAR_COLON = 58; /* : */ +const CHAR_QUESTION_MARK = 63; /* ? */ + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function stripTrailingSeparators(segment, isSep) { + if (segment.length <= 1) { + return segment; + } + let end = segment.length; + for(let i = segment.length - 1; i > 0; i--){ + if (isSep(segment.charCodeAt(i))) { + end = i; + } else { + break; + } + } + return segment.slice(0, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function isPosixPathSeparator(code) { + return code === CHAR_FORWARD_SLASH; +} +function isPathSeparator(code) { + return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH; +} +function isWindowsDeviceRoot(code) { + return code >= CHAR_LOWERCASE_A && code <= CHAR_LOWERCASE_Z || code >= CHAR_UPPERCASE_A && code <= CHAR_UPPERCASE_Z; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$3(url) { + url = url instanceof URL ? url : new URL(url); + if (url.protocol !== "file:") { + throw new TypeError(`URL must be a file URL: received "${url.protocol}"`); + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a file URL to a path string. + * + * @example Usage + * ```ts + * import { fromFileUrl } from "@std/path/windows/from-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(fromFileUrl("file:///home/foo"), "\\home\\foo"); + * assertEquals(fromFileUrl("file:///C:/Users/foo"), "C:\\Users\\foo"); + * assertEquals(fromFileUrl("file://localhost/home/foo"), "\\home\\foo"); + * ``` + * + * @param url The file URL to convert. + * @returns The path string. + */ function fromFileUrl(url) { + url = assertArg$3(url); + let path = decodeURIComponent(url.pathname.replace(/\//g, "\\").replace(/%(?![0-9A-Fa-f]{2})/g, "%25")).replace(/^\\*([A-Za-z]:)(\\|$)/, "$1\\"); + if (url.hostname !== "") { + // Note: The `URL` implementation guarantees that the drive letter and + // hostname are mutually exclusive. Otherwise it would not have been valid + // to append the hostname and path like this. + path = `\\\\${url.hostname}${path}`; + } + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the last portion of a `path`. + * Trailing directory separators are ignored, and optional suffix is removed. + * + * @example Usage + * ```ts + * import { basename } from "@std/path/windows/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("C:\\user\\Documents\\"), "Documents"); + * assertEquals(basename("C:\\user\\Documents\\image.png"), "image.png"); + * assertEquals(basename("C:\\user\\Documents\\image.png", ".png"), "image"); + * assertEquals(basename(new URL("file:///C:/user/Documents/image.png")), "image.png"); + * assertEquals(basename(new URL("file:///C:/user/Documents/image.png"), ".png"), "image"); + * ``` + * + * @param path The path to extract the name from. + * @param suffix The suffix to remove from extracted name. + * @returns The extracted name. + */ function basename(path, suffix = "") { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArgs$1(path, suffix); + // Check for a drive letter prefix so as not to mistake the following + // path separator as an extra separator at the end of the path that can be + // disregarded + let start = 0; + if (path.length >= 2) { + const drive = path.charCodeAt(0); + if (isWindowsDeviceRoot(drive)) { + if (path.charCodeAt(1) === CHAR_COLON) start = 2; + } + } + const lastSegment = lastPathSegment(path, isPathSeparator, start); + const strippedSegment = stripTrailingSeparators(lastSegment, isPathSeparator); + return suffix ? stripSuffix(strippedSegment, suffix) : strippedSegment; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * The character used to separate entries in the PATH environment variable. + */ const DELIMITER = ";"; +/** + * The character used to separate components of a file path. + */ const SEPARATOR = "\\"; +/** + * A regular expression that matches one or more path separators. + */ const SEPARATOR_PATTERN = /[\\/]+/; + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$2(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the directory path of a `path`. + * + * @example Usage + * ```ts + * import { dirname } from "@std/path/windows/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("C:\\foo\\bar\\baz.ext"), "C:\\foo\\bar"); + * assertEquals(dirname(new URL("file:///C:/foo/bar/baz.ext")), "C:\\foo\\bar"); + * ``` + * + * @param path The path to get the directory from. + * @returns The directory path. + */ function dirname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg$2(path); + const len = path.length; + let rootEnd = -1; + let end = -1; + let matchedSlash = true; + let offset = 0; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + rootEnd = offset = 1; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + return path; + } + if (j !== last) { + // We matched a UNC root with leftovers + // Offset by 1 to include the separator after the UNC root to + // treat it as a "normal root" on top of a (UNC) root + rootEnd = offset = j + 1; + } + } + } + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + rootEnd = offset = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) rootEnd = offset = 3; + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid + // unnecessary work + return path; + } + for(let i = len - 1; i >= offset; --i){ + if (isPathSeparator(path.charCodeAt(i))) { + if (!matchedSlash) { + end = i; + break; + } + } else { + // We saw the first non-path separator + matchedSlash = false; + } + } + if (end === -1) { + if (rootEnd === -1) return "."; + else end = rootEnd; + } + return stripTrailingSeparators(path.slice(0, end), isPosixPathSeparator); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the extension of the `path` with leading period. + * + * @example Usage + * ```ts + * import { extname } from "@std/path/windows/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("file.ts"), ".ts"); + * assertEquals(extname(new URL("file:///C:/foo/bar/baz.ext")), ".ext"); + * ``` + * + * @param path The path to get the extension from. + * @returns The extension of the `path`. + */ function extname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertPath(path); + let start = 0; + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Check for a drive letter prefix so as not to mistake the following + // path separator as an extra separator at the end of the path that can be + // disregarded + if (path.length >= 2 && path.charCodeAt(1) === CHAR_COLON && isWindowsDeviceRoot(path.charCodeAt(0))) { + start = startPart = 2; + } + for(let i = path.length - 1; i >= start; --i){ + const code = path.charCodeAt(i); + if (isPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + return ""; + } + return path.slice(startDot, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function _format(sep, pathObject) { + const dir = pathObject.dir || pathObject.root; + const base = pathObject.base || (pathObject.name ?? "") + (pathObject.ext ?? ""); + if (!dir) return base; + if (base === sep) return dir; + if (dir === pathObject.root) return dir + base; + return dir + sep + base; +} +function assertArg$1(pathObject) { + if (pathObject === null || typeof pathObject !== "object") { + throw new TypeError(`The "pathObject" argument must be of type Object, received type "${typeof pathObject}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Generate a path from `ParsedPath` object. + * + * @example Usage + * ```ts + * import { format } from "@std/path/windows/format"; + * import { assertEquals } from "@std/assert"; + * + * const path = format({ + * root: "C:\\", + * dir: "C:\\path\\dir", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * assertEquals(path, "C:\\path\\dir\\file.txt"); + * ``` + * + * @param pathObject The path object to format. + * @returns The formatted path. + */ function format(pathObject) { + assertArg$1(pathObject); + return _format("\\", pathObject); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Verifies whether provided path is absolute. + * + * @example Usage + * ```ts + * import { isAbsolute } from "@std/path/windows/is-absolute"; + * import { assert, assertFalse } from "@std/assert"; + * + * assert(isAbsolute("C:\\foo\\bar")); + * assertFalse(isAbsolute("..\\baz")); + * ``` + * + * @param path The path to verify. + * @returns `true` if the path is absolute, `false` otherwise. + */ function isAbsolute(path) { + assertPath(path); + const len = path.length; + if (len === 0) return false; + const code = path.charCodeAt(0); + if (isPathSeparator(code)) { + return true; + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (len > 2 && path.charCodeAt(1) === CHAR_COLON) { + if (isPathSeparator(path.charCodeAt(2))) return true; + } + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Resolves . and .. elements in a path with directory names +function normalizeString(path, allowAboveRoot, separator, isPathSeparator) { + let res = ""; + let lastSegmentLength = 0; + let lastSlash = -1; + let dots = 0; + let code; + for(let i = 0; i <= path.length; ++i){ + if (i < path.length) code = path.charCodeAt(i); + else if (isPathSeparator(code)) break; + else code = CHAR_FORWARD_SLASH; + if (isPathSeparator(code)) { + if (lastSlash === i - 1 || dots === 1) ; else if (lastSlash !== i - 1 && dots === 2) { + if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== CHAR_DOT || res.charCodeAt(res.length - 2) !== CHAR_DOT) { + if (res.length > 2) { + const lastSlashIndex = res.lastIndexOf(separator); + if (lastSlashIndex === -1) { + res = ""; + lastSegmentLength = 0; + } else { + res = res.slice(0, lastSlashIndex); + lastSegmentLength = res.length - 1 - res.lastIndexOf(separator); + } + lastSlash = i; + dots = 0; + continue; + } else if (res.length === 2 || res.length === 1) { + res = ""; + lastSegmentLength = 0; + lastSlash = i; + dots = 0; + continue; + } + } + if (allowAboveRoot) { + if (res.length > 0) res += `${separator}..`; + else res = ".."; + lastSegmentLength = 2; + } + } else { + if (res.length > 0) res += separator + path.slice(lastSlash + 1, i); + else res = path.slice(lastSlash + 1, i); + lastSegmentLength = i - lastSlash - 1; + } + lastSlash = i; + dots = 0; + } else if (code === CHAR_DOT && dots !== -1) { + ++dots; + } else { + dots = -1; + } + } + return res; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Normalize the `path`, resolving `'..'` and `'.'` segments. + * Note that resolving these segments does not necessarily mean that all will be eliminated. + * A `'..'` at the top-level will be preserved, and an empty path is canonically `'.'`. + * + * @example Usage + * ```ts + * import { normalize } from "@std/path/windows/normalize"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(normalize("C:\\foo\\..\\bar"), "C:\\bar"); + * assertEquals(normalize(new URL("file:///C:/foo/../bar")), "C:\\bar"); + * ``` + * + * @param path The path to normalize + * @returns The normalized path + */ function normalize(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg(path); + const len = path.length; + let rootEnd = 0; + let device; + let isAbsolute = false; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + // If we started with a separator, we know we at least have an absolute + // path of some kind (UNC or otherwise) + isAbsolute = true; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + const firstPart = path.slice(last, j); + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + // Return the normalized version of the UNC root since there + // is nothing left to process + return `\\\\${firstPart}\\${path.slice(last)}\\`; + } else if (j !== last) { + // We matched a UNC root with leftovers + device = `\\\\${firstPart}\\${path.slice(last, j)}`; + rootEnd = j; + } + } + } + } else { + rootEnd = 1; + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + device = path.slice(0, 2); + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + // Treat separator following drive name as an absolute path + // indicator + isAbsolute = true; + rootEnd = 3; + } + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid unnecessary + // work + return "\\"; + } + let tail; + if (rootEnd < len) { + tail = normalizeString(path.slice(rootEnd), !isAbsolute, "\\", isPathSeparator); + } else { + tail = ""; + } + if (tail.length === 0 && !isAbsolute) tail = "."; + if (tail.length > 0 && isPathSeparator(path.charCodeAt(len - 1))) { + tail += "\\"; + } + if (device === undefined) { + if (isAbsolute) { + if (tail.length > 0) return `\\${tail}`; + else return "\\"; + } + return tail; + } else if (isAbsolute) { + if (tail.length > 0) return `${device}\\${tail}`; + else return `${device}\\`; + } + return device + tail; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Join all given a sequence of `paths`,then normalizes the resulting path. + * + * @example Usage + * ```ts + * import { join } from "@std/path/windows/join"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(join("C:\\foo", "bar", "baz\\.."), "C:\\foo\\bar"); + * assertEquals(join(new URL("file:///C:/foo"), "bar", "baz\\.."), "C:\\foo\\bar"); + * ``` + * + * @param path The path to join. This can be string or file URL. + * @param paths The paths to join. + * @returns The joined path. + */ function join(path, ...paths) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + paths = path ? [ + path, + ...paths + ] : paths; + paths.forEach((path)=>assertPath(path)); + paths = paths.filter((path)=>path.length > 0); + if (paths.length === 0) return "."; + // Make sure that the joined path doesn't start with two slashes, because + // normalize() will mistake it for an UNC path then. + // + // This step is skipped when it is very clear that the user actually + // intended to point at an UNC path. This is assumed when the first + // non-empty string arguments starts with exactly two slashes followed by + // at least one more non-slash character. + // + // Note that for normalize() to treat a path as an UNC path it needs to + // have at least 2 components, so we don't filter for that here. + // This means that the user can use join to construct UNC paths from + // a server name and a share name; for example: + // path.join('//server', 'share') -> '\\\\server\\share\\' + let needsReplace = true; + let slashCount = 0; + const firstPart = paths[0]; + if (isPathSeparator(firstPart.charCodeAt(0))) { + ++slashCount; + const firstLen = firstPart.length; + if (firstLen > 1) { + if (isPathSeparator(firstPart.charCodeAt(1))) { + ++slashCount; + if (firstLen > 2) { + if (isPathSeparator(firstPart.charCodeAt(2))) ++slashCount; + else { + // We matched a UNC path in the first part + needsReplace = false; + } + } + } + } + } + let joined = paths.join("\\"); + if (needsReplace) { + // Find any more consecutive slashes we need to replace + for(; slashCount < joined.length; ++slashCount){ + if (!isPathSeparator(joined.charCodeAt(slashCount))) break; + } + // Replace the slashes if needed + if (slashCount >= 2) joined = `\\${joined.slice(slashCount)}`; + } + return normalize(joined); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return a `ParsedPath` object of the `path`. + * + * @example Usage + * ```ts + * import { parse } from "@std/path/windows/parse"; + * import { assertEquals } from "@std/assert"; + * + * const parsed = parse("C:\\foo\\bar\\baz.ext"); + * assertEquals(parsed, { + * root: "C:\\", + * dir: "C:\\foo\\bar", + * base: "baz.ext", + * ext: ".ext", + * name: "baz", + * }); + * ``` + * + * @param path The path to parse. + * @returns The `ParsedPath` object. + */ function parse(path) { + assertPath(path); + const ret = { + root: "", + dir: "", + base: "", + ext: "", + name: "" + }; + const len = path.length; + if (len === 0) return ret; + let rootEnd = 0; + let code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + rootEnd = 1; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + rootEnd = j; + } else if (j !== last) { + // We matched a UNC root with leftovers + rootEnd = j + 1; + } + } + } + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + if (len === 3) { + // `path` contains just a drive root, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + ret.base = "\\"; + return ret; + } + rootEnd = 3; + } + } else { + // `path` contains just a relative drive root, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + return ret; + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + ret.base = "\\"; + return ret; + } + if (rootEnd > 0) ret.root = path.slice(0, rootEnd); + let startDot = -1; + let startPart = rootEnd; + let end = -1; + let matchedSlash = true; + let i = path.length - 1; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Get non-dir info + for(; i >= rootEnd; --i){ + code = path.charCodeAt(i); + if (isPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + if (end !== -1) { + ret.base = ret.name = path.slice(startPart, end); + } + } else { + ret.name = path.slice(startPart, startDot); + ret.base = path.slice(startPart, end); + ret.ext = path.slice(startDot, end); + } + // Fallback to '\' in case there is no basename + ret.base = ret.base || "\\"; + // If the directory is the root, use the entire root as the `dir` including + // the trailing slash if any (`C:\abc` -> `C:\`). Otherwise, strip out the + // trailing slash (`C:\abc\def` -> `C:\abc`). + if (startPart > 0 && startPart !== rootEnd) { + ret.dir = path.slice(0, startPart - 1); + } else ret.dir = ret.root; + return ret; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path segments into a `path`. + * + * @example Usage + * ```ts + * import { resolve } from "@std/path/windows/resolve"; + * import { assertEquals } from "@std/assert"; + * + * const resolved = resolve("C:\\foo\\bar", "..\\baz"); + * assertEquals(resolved, "C:\\foo\\baz"); + * ``` + * + * @param pathSegments The path segments to process to path + * @returns The resolved path + */ function resolve(...pathSegments) { + let resolvedDevice = ""; + let resolvedTail = ""; + let resolvedAbsolute = false; + for(let i = pathSegments.length - 1; i >= -1; i--){ + let path; + // deno-lint-ignore no-explicit-any + const { Deno } = globalThis; + if (i >= 0) { + path = pathSegments[i]; + } else if (!resolvedDevice) { + if (typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a drive-letter-less path without a current working directory (CWD)"); + } + path = Deno.cwd(); + } else { + if (typeof Deno?.env?.get !== "function" || typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a relative path without a current working directory (CWD)"); + } + path = Deno.cwd(); + // Verify that a cwd was found and that it actually points + // to our drive. If not, default to the drive's root. + if (path === undefined || path.slice(0, 3).toLowerCase() !== `${resolvedDevice.toLowerCase()}\\`) { + path = `${resolvedDevice}\\`; + } + } + assertPath(path); + const len = path.length; + // Skip empty entries + if (len === 0) continue; + let rootEnd = 0; + let device = ""; + let isAbsolute = false; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + // If we started with a separator, we know we at least have an + // absolute path of some kind (UNC or otherwise) + isAbsolute = true; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + const firstPart = path.slice(last, j); + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + device = `\\\\${firstPart}\\${path.slice(last)}`; + rootEnd = j; + } else if (j !== last) { + // We matched a UNC root with leftovers + device = `\\\\${firstPart}\\${path.slice(last, j)}`; + rootEnd = j; + } + } + } + } else { + rootEnd = 1; + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + device = path.slice(0, 2); + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + // Treat separator following drive name as an absolute path + // indicator + isAbsolute = true; + rootEnd = 3; + } + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator + rootEnd = 1; + isAbsolute = true; + } + if (device.length > 0 && resolvedDevice.length > 0 && device.toLowerCase() !== resolvedDevice.toLowerCase()) { + continue; + } + if (resolvedDevice.length === 0 && device.length > 0) { + resolvedDevice = device; + } + if (!resolvedAbsolute) { + resolvedTail = `${path.slice(rootEnd)}\\${resolvedTail}`; + resolvedAbsolute = isAbsolute; + } + if (resolvedAbsolute && resolvedDevice.length > 0) break; + } + // At this point the path should be resolved to a full absolute path, + // but handle relative paths to be safe (might happen when Deno.cwd() + // fails) + // Normalize the tail path + resolvedTail = normalizeString(resolvedTail, !resolvedAbsolute, "\\", isPathSeparator); + return resolvedDevice + (resolvedAbsolute ? "\\" : "") + resolvedTail || "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArgs(from, to) { + assertPath(from); + assertPath(to); + if (from === to) return ""; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the relative path from `from` to `to` based on current working directory. + * + * An example in windws, for instance: + * from = 'C:\\orandea\\test\\aaa' + * to = 'C:\\orandea\\impl\\bbb' + * The output of the function should be: '..\\..\\impl\\bbb' + * + * @example Usage + * ```ts + * import { relative } from "@std/path/windows/relative"; + * import { assertEquals } from "@std/assert"; + * + * const relativePath = relative("C:\\foobar\\test\\aaa", "C:\\foobar\\impl\\bbb"); + * assertEquals(relativePath, "..\\..\\impl\\bbb"); + * ``` + * + * @param from The path from which to calculate the relative path + * @param to The path to which to calculate the relative path + * @returns The relative path from `from` to `to` + */ function relative(from, to) { + assertArgs(from, to); + const fromOrig = resolve(from); + const toOrig = resolve(to); + if (fromOrig === toOrig) return ""; + from = fromOrig.toLowerCase(); + to = toOrig.toLowerCase(); + if (from === to) return ""; + // Trim any leading backslashes + let fromStart = 0; + let fromEnd = from.length; + for(; fromStart < fromEnd; ++fromStart){ + if (from.charCodeAt(fromStart) !== CHAR_BACKWARD_SLASH) break; + } + // Trim trailing backslashes (applicable to UNC paths only) + for(; fromEnd - 1 > fromStart; --fromEnd){ + if (from.charCodeAt(fromEnd - 1) !== CHAR_BACKWARD_SLASH) break; + } + const fromLen = fromEnd - fromStart; + // Trim any leading backslashes + let toStart = 0; + let toEnd = to.length; + for(; toStart < toEnd; ++toStart){ + if (to.charCodeAt(toStart) !== CHAR_BACKWARD_SLASH) break; + } + // Trim trailing backslashes (applicable to UNC paths only) + for(; toEnd - 1 > toStart; --toEnd){ + if (to.charCodeAt(toEnd - 1) !== CHAR_BACKWARD_SLASH) break; + } + const toLen = toEnd - toStart; + // Compare paths to find the longest common path from root + const length = fromLen < toLen ? fromLen : toLen; + let lastCommonSep = -1; + let i = 0; + for(; i <= length; ++i){ + if (i === length) { + if (toLen > length) { + if (to.charCodeAt(toStart + i) === CHAR_BACKWARD_SLASH) { + // We get here if `from` is the exact base path for `to`. + // For example: from='C:\\foo\\bar'; to='C:\\foo\\bar\\baz' + return toOrig.slice(toStart + i + 1); + } else if (i === 2) { + // We get here if `from` is the device root. + // For example: from='C:\\'; to='C:\\foo' + return toOrig.slice(toStart + i); + } + } + if (fromLen > length) { + if (from.charCodeAt(fromStart + i) === CHAR_BACKWARD_SLASH) { + // We get here if `to` is the exact base path for `from`. + // For example: from='C:\\foo\\bar'; to='C:\\foo' + lastCommonSep = i; + } else if (i === 2) { + // We get here if `to` is the device root. + // For example: from='C:\\foo\\bar'; to='C:\\' + lastCommonSep = 3; + } + } + break; + } + const fromCode = from.charCodeAt(fromStart + i); + const toCode = to.charCodeAt(toStart + i); + if (fromCode !== toCode) break; + else if (fromCode === CHAR_BACKWARD_SLASH) lastCommonSep = i; + } + // We found a mismatch before the first common path separator was seen, so + // return the original `to`. + if (i !== length && lastCommonSep === -1) { + return toOrig; + } + let out = ""; + if (lastCommonSep === -1) lastCommonSep = 0; + // Generate the relative path based on the path difference between `to` and + // `from` + for(i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i){ + if (i === fromEnd || from.charCodeAt(i) === CHAR_BACKWARD_SLASH) { + if (out.length === 0) out += ".."; + else out += "\\.."; + } + } + // Lastly, append the rest of the destination (`to`) path that comes after + // the common path parts + if (out.length > 0) { + return out + toOrig.slice(toStart + lastCommonSep, toEnd); + } else { + toStart += lastCommonSep; + if (toOrig.charCodeAt(toStart) === CHAR_BACKWARD_SLASH) ++toStart; + return toOrig.slice(toStart, toEnd); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const WHITESPACE_ENCODINGS = { + "\u0009": "%09", + "\u000A": "%0A", + "\u000B": "%0B", + "\u000C": "%0C", + "\u000D": "%0D", + "\u0020": "%20" +}; +function encodeWhitespace(string) { + return string.replaceAll(/[\s]/g, (c)=>{ + return WHITESPACE_ENCODINGS[c] ?? c; + }); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path string to a file URL. + * + * @example Usage + * ```ts + * import { toFileUrl } from "@std/path/windows/to-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toFileUrl("\\home\\foo"), new URL("file:///home/foo")); + * assertEquals(toFileUrl("C:\\Users\\foo"), new URL("file:///C:/Users/foo")); + * assertEquals(toFileUrl("\\\\127.0.0.1\\home\\foo"), new URL("file://127.0.0.1/home/foo")); + * ``` + * @param path The path to convert. + * @returns The file URL. + */ function toFileUrl(path) { + if (!isAbsolute(path)) { + throw new TypeError(`Path must be absolute: received "${path}"`); + } + const [, hostname, pathname] = path.match(/^(?:[/\\]{2}([^/\\]+)(?=[/\\](?:[^/\\]|$)))?(.*)/); + const url = new URL("file:///"); + url.pathname = encodeWhitespace(pathname.replace(/%/g, "%25")); + if (hostname !== undefined && hostname !== "localhost") { + url.hostname = hostname; + if (!url.hostname) { + throw new TypeError(`Invalid hostname: "${url.hostname}"`); + } + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path to a namespace path + * + * @example Usage + * ```ts + * import { toNamespacedPath } from "@std/path/windows/to-namespaced-path"; + * import { assertEquals } from "@std/assert"; + * + * const namespaced = toNamespacedPath("C:\\foo\\bar"); + * assertEquals(namespaced, "\\\\?\\C:\\foo\\bar"); + * ``` + * + * @param path The path to resolve to namespaced path + * @returns The resolved namespaced path + */ function toNamespacedPath(path) { + // Note: this will *probably* throw somewhere. + if (typeof path !== "string") return path; + if (path.length === 0) return ""; + const resolvedPath = resolve(path); + if (resolvedPath.length >= 3) { + if (resolvedPath.charCodeAt(0) === CHAR_BACKWARD_SLASH) { + // Possible UNC root + if (resolvedPath.charCodeAt(1) === CHAR_BACKWARD_SLASH) { + const code = resolvedPath.charCodeAt(2); + if (code !== CHAR_QUESTION_MARK && code !== CHAR_DOT) { + // Matched non-long UNC root, convert the path to a long UNC path + return `\\\\?\\UNC\\${resolvedPath.slice(2)}`; + } + } + } else if (isWindowsDeviceRoot(resolvedPath.charCodeAt(0))) { + // Possible device root + if (resolvedPath.charCodeAt(1) === CHAR_COLON && resolvedPath.charCodeAt(2) === CHAR_BACKWARD_SLASH) { + // Matched device root, convert the path to a long UNC path + return `\\\\?\\${resolvedPath}`; + } + } + } + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function common$1(paths, sep) { + const [first = "", ...remaining] = paths; + const parts = first.split(sep); + let endOfPrefix = parts.length; + let append = ""; + for (const path of remaining){ + const compare = path.split(sep); + if (compare.length <= endOfPrefix) { + endOfPrefix = compare.length; + append = ""; + } + for(let i = 0; i < endOfPrefix; i++){ + if (compare[i] !== parts[i]) { + endOfPrefix = i; + append = i === 0 ? "" : sep; + break; + } + } + } + return parts.slice(0, endOfPrefix).join(sep) + append; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Determines the common path from a set of paths for Windows systems. + * + * @example Usage + * ```ts + * import { common } from "@std/path/windows/common"; + * import { assertEquals } from "@std/assert"; + * + * const path = common([ + * "C:\\foo\\bar", + * "C:\\foo\\baz", + * ]); + * assertEquals(path, "C:\\foo\\"); + * ``` + * + * @param paths The paths to compare. + * @returns The common path. + */ function common(paths) { + return common$1(paths, SEPARATOR); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Options for {@linkcode globToRegExp}, {@linkcode joinGlobs}, + * {@linkcode normalizeGlob} and {@linkcode expandGlob}. + */ const REG_EXP_ESCAPE_CHARS = [ + "!", + "$", + "(", + ")", + "*", + "+", + ".", + "=", + "?", + "[", + "\\", + "^", + "{", + "|" +]; +const RANGE_ESCAPE_CHARS = [ + "-", + "\\", + "]" +]; +function _globToRegExp(c, glob, { extended = true, globstar: globstarOption = true, // os = osType, +caseInsensitive = false } = {}) { + if (glob === "") { + return /(?!)/; + } + // Remove trailing separators. + let newLength = glob.length; + for(; newLength > 1 && c.seps.includes(glob[newLength - 1]); newLength--); + glob = glob.slice(0, newLength); + let regExpString = ""; + // Terminates correctly. Trust that `j` is incremented every iteration. + for(let j = 0; j < glob.length;){ + let segment = ""; + const groupStack = []; + let inRange = false; + let inEscape = false; + let endsWithSep = false; + let i = j; + // Terminates with `i` at the non-inclusive end of the current segment. + for(; i < glob.length && !c.seps.includes(glob[i]); i++){ + if (inEscape) { + inEscape = false; + const escapeChars = inRange ? RANGE_ESCAPE_CHARS : REG_EXP_ESCAPE_CHARS; + segment += escapeChars.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + continue; + } + if (glob[i] === c.escapePrefix) { + inEscape = true; + continue; + } + if (glob[i] === "[") { + if (!inRange) { + inRange = true; + segment += "["; + if (glob[i + 1] === "!") { + i++; + segment += "^"; + } else if (glob[i + 1] === "^") { + i++; + segment += "\\^"; + } + continue; + } else if (glob[i + 1] === ":") { + let k = i + 1; + let value = ""; + while(glob[k + 1] !== undefined && glob[k + 1] !== ":"){ + value += glob[k + 1]; + k++; + } + if (glob[k + 1] === ":" && glob[k + 2] === "]") { + i = k + 2; + if (value === "alnum") segment += "\\dA-Za-z"; + else if (value === "alpha") segment += "A-Za-z"; + else if (value === "ascii") segment += "\x00-\x7F"; + else if (value === "blank") segment += "\t "; + else if (value === "cntrl") segment += "\x00-\x1F\x7F"; + else if (value === "digit") segment += "\\d"; + else if (value === "graph") segment += "\x21-\x7E"; + else if (value === "lower") segment += "a-z"; + else if (value === "print") segment += "\x20-\x7E"; + else if (value === "punct") { + segment += "!\"#$%&'()*+,\\-./:;<=>?@[\\\\\\]^_‘{|}~"; + } else if (value === "space") segment += "\\s\v"; + else if (value === "upper") segment += "A-Z"; + else if (value === "word") segment += "\\w"; + else if (value === "xdigit") segment += "\\dA-Fa-f"; + continue; + } + } + } + if (glob[i] === "]" && inRange) { + inRange = false; + segment += "]"; + continue; + } + if (inRange) { + segment += glob[i]; + continue; + } + if (glob[i] === ")" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += ")"; + const type = groupStack.pop(); + if (type === "!") { + segment += c.wildcard; + } else if (type !== "@") { + segment += type; + } + continue; + } + if (glob[i] === "|" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "+" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("+"); + segment += "(?:"; + continue; + } + if (glob[i] === "@" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("@"); + segment += "(?:"; + continue; + } + if (glob[i] === "?") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("?"); + segment += "(?:"; + } else { + segment += "."; + } + continue; + } + if (glob[i] === "!" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("!"); + segment += "(?!"; + continue; + } + if (glob[i] === "{") { + groupStack.push("BRACE"); + segment += "(?:"; + continue; + } + if (glob[i] === "}" && groupStack[groupStack.length - 1] === "BRACE") { + groupStack.pop(); + segment += ")"; + continue; + } + if (glob[i] === "," && groupStack[groupStack.length - 1] === "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "*") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("*"); + segment += "(?:"; + } else { + const prevChar = glob[i - 1]; + let numStars = 1; + while(glob[i + 1] === "*"){ + i++; + numStars++; + } + const nextChar = glob[i + 1]; + if (globstarOption && numStars === 2 && [ + ...c.seps, + undefined + ].includes(prevChar) && [ + ...c.seps, + undefined + ].includes(nextChar)) { + segment += c.globstar; + endsWithSep = true; + } else { + segment += c.wildcard; + } + } + continue; + } + segment += REG_EXP_ESCAPE_CHARS.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + } + // Check for unclosed groups or a dangling backslash. + if (groupStack.length > 0 || inRange || inEscape) { + // Parse failure. Take all characters from this segment literally. + segment = ""; + for (const c of glob.slice(j, i)){ + segment += REG_EXP_ESCAPE_CHARS.includes(c) ? `\\${c}` : c; + endsWithSep = false; + } + } + regExpString += segment; + if (!endsWithSep) { + regExpString += i < glob.length ? c.sep : c.sepMaybe; + endsWithSep = true; + } + // Terminates with `i` at the start of the next segment. + while(c.seps.includes(glob[i]))i++; + j = i; + } + regExpString = `^${regExpString}$`; + return new RegExp(regExpString, caseInsensitive ? "i" : ""); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const constants = { + sep: "(?:\\\\|/)+", + sepMaybe: "(?:\\\\|/)*", + seps: [ + "\\", + "/" + ], + globstar: "(?:[^\\\\/]*(?:\\\\|/|$)+)*", + wildcard: "[^\\\\/]*", + escapePrefix: "`" +}; +/** Convert a glob string to a regular expression. + * + * Tries to match bash glob expansion as closely as possible. + * + * Basic glob syntax: + * - `*` - Matches everything without leaving the path segment. + * - `?` - Matches any single character. + * - `{foo,bar}` - Matches `foo` or `bar`. + * - `[abcd]` - Matches `a`, `b`, `c` or `d`. + * - `[a-d]` - Matches `a`, `b`, `c` or `d`. + * - `[!abcd]` - Matches any single character besides `a`, `b`, `c` or `d`. + * - `[[::]]` - Matches any character belonging to ``. + * - `[[:alnum:]]` - Matches any digit or letter. + * - `[[:digit:]abc]` - Matches any digit, `a`, `b` or `c`. + * - See https://facelessuser.github.io/wcmatch/glob/#posix-character-classes + * for a complete list of supported character classes. + * - `\` - Escapes the next character for an `os` other than `"windows"`. + * - \` - Escapes the next character for `os` set to `"windows"`. + * - `/` - Path separator. + * - `\` - Additional path separator only for `os` set to `"windows"`. + * + * Extended syntax: + * - Requires `{ extended: true }`. + * - `?(foo|bar)` - Matches 0 or 1 instance of `{foo,bar}`. + * - `@(foo|bar)` - Matches 1 instance of `{foo,bar}`. They behave the same. + * - `*(foo|bar)` - Matches _n_ instances of `{foo,bar}`. + * - `+(foo|bar)` - Matches _n > 0_ instances of `{foo,bar}`. + * - `!(foo|bar)` - Matches anything other than `{foo,bar}`. + * - See https://www.linuxjournal.com/content/bash-extended-globbing. + * + * Globstar syntax: + * - Requires `{ globstar: true }`. + * - `**` - Matches any number of any path segments. + * - Must comprise its entire path segment in the provided glob. + * - See https://www.linuxjournal.com/content/globstar-new-bash-globbing-option. + * + * Note the following properties: + * - The generated `RegExp` is anchored at both start and end. + * - Repeating and trailing separators are tolerated. Trailing separators in the + * provided glob have no meaning and are discarded. + * - Absolute globs will only match absolute paths, etc. + * - Empty globs will match nothing. + * - Any special glob syntax must be contained to one path segment. For example, + * `?(foo|bar/baz)` is invalid. The separator will take precedence and the + * first segment ends with an unclosed group. + * - If a path segment ends with unclosed groups or a dangling escape prefix, a + * parse error has occurred. Every character for that segment is taken + * literally in this event. + * + * Limitations: + * - A negative group like `!(foo|bar)` will wrongly be converted to a negative + * look-ahead followed by a wildcard. This means that `!(foo).js` will wrongly + * fail to match `foobar.js`, even though `foobar` is not `foo`. Effectively, + * `!(foo|bar)` is treated like `!(@(foo|bar)*)`. This will work correctly if + * the group occurs not nested at the end of the segment. + * + * @example Usage + * ```ts + * import { globToRegExp } from "@std/path/windows/glob-to-regexp"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(globToRegExp("*.js"), /^[^\\/]*\.js(?:\\|\/)*$/); + * ``` + * + * @param glob Glob string to convert. + * @param options Conversion options. + * @returns The regular expression equivalent to the glob. + */ function globToRegExp(glob, options = {}) { + return _globToRegExp(constants, glob, options); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Test whether the given string is a glob. + * + * @example Usage + * ```ts + * import { isGlob } from "@std/path/is-glob"; + * import { assert } from "@std/assert"; + * + * assert(!isGlob("foo/bar/../baz")); + * assert(isGlob("foo/*ar/../baz")); + * ``` + * + * @param str String to test. + * @returns `true` if the given string is a glob, otherwise `false` + */ function isGlob(str) { + const chars = { + "{": "}", + "(": ")", + "[": "]" + }; + const regex = /\\(.)|(^!|\*|\?|[\].+)]\?|\[[^[\\\]]+\]|\{[^{\\}]+\}|\(\?[:!=][^\\)]+\)|\([^(|]+\|[^\\)]+\))/; + if (str === "") { + return false; + } + let match; + while(match = regex.exec(str)){ + if (match[2]) return true; + let idx = match.index + match[0].length; + // if an open bracket/brace/paren is escaped, + // set the index to the next closing character + const open = match[1]; + const close = open ? chars[open] : null; + if (open && close) { + const n = str.indexOf(close, idx); + if (n !== -1) { + idx = n + 1; + } + } + str = str.slice(idx); + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like normalize(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { normalizeGlob } from "@std/path/windows/normalize-glob"; + * import { assertEquals } from "@std/assert"; + * + * const normalized = normalizeGlob("**\\foo\\..\\bar", { globstar: true }); + * assertEquals(normalized, "**\\bar"); + * ``` + * + * @param glob The glob pattern to normalize. + * @param options The options for glob pattern. + * @returns The normalized glob pattern. + */ function normalizeGlob(glob, options = {}) { + const { globstar = false } = options; + if (glob.match(/\0/g)) { + throw new Error(`Glob contains invalid characters: "${glob}"`); + } + if (!globstar) { + return normalize(glob); + } + const s = SEPARATOR_PATTERN.source; + const badParentPattern = new RegExp(`(?<=(${s}|^)\\*\\*${s})\\.\\.(?=${s}|$)`, "g"); + return normalize(glob.replace(badParentPattern, "\0")).replace(/\0/g, ".."); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like join(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * + * ```ts + * import { joinGlobs } from "@std/path/windows/join-globs"; + * import { assertEquals } from "@std/assert"; + * + * const joined = joinGlobs(["foo", "**", "bar"], { globstar: true }); + * assertEquals(joined, "foo\\**\\bar"); + * ``` + * + * @param globs The globs to join. + * @param options The options for glob pattern. + * @returns The joined glob pattern. + */ function joinGlobs(globs, options = {}) { + const { globstar = false } = options; + if (!globstar || globs.length === 0) { + return join(...globs); + } + let joined; + for (const glob of globs){ + const path = glob; + if (path.length > 0) { + if (!joined) joined = path; + else joined += `${SEPARATOR}${path}`; + } + } + if (!joined) return "."; + return normalizeGlob(joined, { + globstar + }); +} + +exports.DELIMITER = DELIMITER; +exports.SEPARATOR = SEPARATOR; +exports.SEPARATOR_PATTERN = SEPARATOR_PATTERN; +exports.basename = basename; +exports.common = common; +exports.dirname = dirname; +exports.extname = extname; +exports.format = format; +exports.fromFileUrl = fromFileUrl; +exports.globToRegExp = globToRegExp; +exports.isAbsolute = isAbsolute; +exports.isGlob = isGlob; +exports.join = join; +exports.joinGlobs = joinGlobs; +exports.normalize = normalize; +exports.normalizeGlob = normalizeGlob; +exports.parse = parse; +exports.relative = relative; +exports.resolve = resolve; +exports.toFileUrl = toFileUrl; +exports.toNamespacedPath = toNamespacedPath; diff --git a/node_modules/@eslint/config-array/dist/cjs/types.cts b/node_modules/@eslint/config-array/dist/cjs/types.cts new file mode 100644 index 000000000..eea2e47f3 --- /dev/null +++ b/node_modules/@eslint/config-array/dist/cjs/types.cts @@ -0,0 +1,29 @@ +/** + * @fileoverview Types for the config-array package. + * @author Nicholas C. Zakas + */ + +export interface ConfigObject { + /** + * The base path for files and ignores. + */ + basePath?: string; + + /** + * The files to include. + */ + files?: string[]; + + /** + * The files to exclude. + */ + ignores?: string[]; + + /** + * The name of the config object. + */ + name?: string; + + // may also have any number of other properties + [key: string]: unknown; +} diff --git a/node_modules/@eslint/config-array/dist/esm/index.d.ts b/node_modules/@eslint/config-array/dist/esm/index.d.ts new file mode 100644 index 000000000..f40e6a9f7 --- /dev/null +++ b/node_modules/@eslint/config-array/dist/esm/index.d.ts @@ -0,0 +1,145 @@ +export { ObjectSchema } from "@eslint/object-schema"; +export type PropertyDefinition = $eslintobjectschema.PropertyDefinition; +export type ObjectDefinition = $eslintobjectschema.ObjectDefinition; +export type ConfigObject = $typests.ConfigObject; +export type IMinimatchStatic = minimatch.IMinimatchStatic; +export type IMinimatch = minimatch.IMinimatch; +export type ObjectSchemaInstance = ObjectSchema; +/** + * Represents an array of config objects and provides method for working with + * those config objects. + */ +export class ConfigArray extends Array { + /** + * Creates a new instance of ConfigArray. + * @param {Iterable|Function|Object} configs An iterable yielding config + * objects, or a config function, or a config object. + * @param {Object} options The options for the ConfigArray. + * @param {string} [options.basePath="/"] The absolute path of the config file directory. + * Defaults to `"/"`. + * @param {boolean} [options.normalized=false] Flag indicating if the + * configs have already been normalized. + * @param {Object} [options.schema] The additional schema + * definitions to use for the ConfigArray schema. + * @param {Array} [options.extraConfigTypes] List of config types supported. + * @throws {TypeError} When the `basePath` is not a non-empty string, + */ + constructor(configs: Iterable | Function | any, { basePath, normalized, schema: customSchema, extraConfigTypes, }?: { + basePath?: string; + normalized?: boolean; + schema?: any; + extraConfigTypes?: Array; + }); + /** + * The path of the config file that this array was loaded from. + * This is used to calculate filename matches. + * @property basePath + * @type {string} + */ + basePath: string; + /** + * The supported config types. + * @type {Array} + */ + extraConfigTypes: Array; + /** + * Returns the `files` globs from every config object in the array. + * This can be used to determine which files will be matched by a + * config array or to use as a glob pattern when no patterns are provided + * for a command line interface. + * @returns {Array} An array of matchers. + */ + get files(): Array; + /** + * Returns ignore matchers that should always be ignored regardless of + * the matching `files` fields in any configs. This is necessary to mimic + * the behavior of things like .gitignore and .eslintignore, allowing a + * globbing operation to be faster. + * @returns {Object[]} An array of config objects representing global ignores. + */ + get ignores(): any[]; + /** + * Indicates if the config array has been normalized. + * @returns {boolean} True if the config array is normalized, false if not. + */ + isNormalized(): boolean; + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {Promise} The current ConfigArray instance. + */ + normalize(context?: any): Promise; + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {ConfigArray} The current ConfigArray instance. + */ + normalizeSync(context?: any): ConfigArray; + /** + * Returns the config object for a given file path and a status that can be used to determine why a file has no config. + * @param {string} filePath The path of a file to get a config for. + * @returns {{ config?: Object, status: "ignored"|"external"|"unconfigured"|"matched" }} + * An object with an optional property `config` and property `status`. + * `config` is the config object for the specified file as returned by {@linkcode ConfigArray.getConfig}, + * `status` a is one of the constants returned by {@linkcode ConfigArray.getConfigStatus}. + */ + getConfigWithStatus(filePath: string): { + config?: any; + status: "ignored" | "external" | "unconfigured" | "matched"; + }; + /** + * Returns the config object for a given file path. + * @param {string} filePath The path of a file to get a config for. + * @returns {Object|undefined} The config object for this file or `undefined`. + */ + getConfig(filePath: string): any | undefined; + /** + * Determines whether a file has a config or why it doesn't. + * @param {string} filePath The path of the file to check. + * @returns {"ignored"|"external"|"unconfigured"|"matched"} One of the following values: + * * `"ignored"`: the file is ignored + * * `"external"`: the file is outside the base path + * * `"unconfigured"`: the file is not matched by any config + * * `"matched"`: the file has a matching config + */ + getConfigStatus(filePath: string): "ignored" | "external" | "unconfigured" | "matched"; + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + * @deprecated Use `isFileIgnored` instead. + */ + isIgnored(filePath: string): boolean; + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + */ + isFileIgnored(filePath: string): boolean; + /** + * Determines if the given directory is ignored based on the configs. + * This checks only default `ignores` that don't have `files` in the + * same config. A pattern such as `/foo` be considered to ignore the directory + * while a pattern such as `/foo/**` is not considered to ignore the + * directory because it is matching files. + * @param {string} directoryPath The path of a directory to check. + * @returns {boolean} True if the directory is ignored, false if not. Will + * return true for any directory that is not inside of `basePath`. + * @throws {Error} When the `ConfigArray` is not normalized. + */ + isDirectoryIgnored(directoryPath: string): boolean; + #private; +} +export namespace ConfigArraySymbol { + let isNormalized: symbol; + let configCache: symbol; + let schema: symbol; + let finalizeConfig: symbol; + let preprocessConfig: symbol; +} +import type * as $eslintobjectschema from "@eslint/object-schema"; +import type * as $typests from "./types.ts"; +import minimatch from 'minimatch'; +import { ObjectSchema } from '@eslint/object-schema'; diff --git a/node_modules/@eslint/config-array/dist/esm/index.js b/node_modules/@eslint/config-array/dist/esm/index.js new file mode 100644 index 000000000..52db07de3 --- /dev/null +++ b/node_modules/@eslint/config-array/dist/esm/index.js @@ -0,0 +1,1514 @@ +// @ts-self-types="./index.d.ts" +import * as posixPath from './std__path/posix.js'; +import * as windowsPath from './std__path/windows.js'; +import minimatch from 'minimatch'; +import createDebug from 'debug'; +import { ObjectSchema } from '@eslint/object-schema'; +export { ObjectSchema } from '@eslint/object-schema'; + +/** + * @fileoverview ConfigSchema + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @import * as $eslintobjectschema from "@eslint/object-schema"; */ +/** @typedef {$eslintobjectschema.PropertyDefinition} PropertyDefinition */ +/** @typedef {$eslintobjectschema.ObjectDefinition} ObjectDefinition */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * A strategy that does nothing. + * @type {PropertyDefinition} + */ +const NOOP_STRATEGY = { + required: false, + merge() { + return undefined; + }, + validate() {}, +}; + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The base schema that every ConfigArray uses. + * @type {ObjectDefinition} + */ +const baseSchema = Object.freeze({ + name: { + required: false, + merge() { + return undefined; + }, + validate(value) { + if (typeof value !== "string") { + throw new TypeError("Property must be a string."); + } + }, + }, + basePath: NOOP_STRATEGY, + files: NOOP_STRATEGY, + ignores: NOOP_STRATEGY, +}); + +/** + * @fileoverview ConfigSchema + * @author Nicholas C. Zakas + */ + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +/** + * Asserts that a given value is an array. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array. + */ +function assertIsArray(value) { + if (!Array.isArray(value)) { + throw new TypeError("Expected value to be an array."); + } +} + +/** + * Asserts that a given value is an array containing only strings and functions. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array of strings and functions. + */ +function assertIsArrayOfStringsAndFunctions(value) { + assertIsArray(value); + + if ( + value.some( + item => typeof item !== "string" && typeof item !== "function", + ) + ) { + throw new TypeError( + "Expected array to only contain strings and functions.", + ); + } +} + +/** + * Asserts that a given value is a non-empty array. + * @param {*} value The value to check. + * @returns {void} + * @throws {TypeError} When the value is not an array or an empty array. + */ +function assertIsNonEmptyArray(value) { + if (!Array.isArray(value) || value.length === 0) { + throw new TypeError("Expected value to be a non-empty array."); + } +} + +//------------------------------------------------------------------------------ +// Exports +//------------------------------------------------------------------------------ + +/** + * The schema for `files` and `ignores` that every ConfigArray uses. + * @type {ObjectDefinition} + */ +const filesAndIgnoresSchema = Object.freeze({ + basePath: { + required: false, + merge() { + return undefined; + }, + validate(value) { + if (typeof value !== "string") { + throw new TypeError("Expected value to be a string."); + } + }, + }, + files: { + required: false, + merge() { + return undefined; + }, + validate(value) { + // first check if it's an array + assertIsNonEmptyArray(value); + + // then check each member + value.forEach(item => { + if (Array.isArray(item)) { + assertIsArrayOfStringsAndFunctions(item); + } else if ( + typeof item !== "string" && + typeof item !== "function" + ) { + throw new TypeError( + "Items must be a string, a function, or an array of strings and functions.", + ); + } + }); + }, + }, + ignores: { + required: false, + merge() { + return undefined; + }, + validate: assertIsArrayOfStringsAndFunctions, + }, +}); + +/** + * @fileoverview ConfigArray + * @author Nicholas C. Zakas + */ + + +//------------------------------------------------------------------------------ +// Types +//------------------------------------------------------------------------------ + +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.ConfigObject} ConfigObject */ +/** @import * as $minimatch from "minimatch"; */ +/** @typedef {$minimatch.IMinimatchStatic} IMinimatchStatic */ +/** @typedef {$minimatch.IMinimatch} IMinimatch */ +/** @import * as PathImpl from "@jsr/std__path" */ + +/* + * This is a bit of a hack to make TypeScript happy with the Rollup-created + * CommonJS file. Rollup doesn't do object destructuring for imported files + * and instead imports the default via `require()`. This messes up type checking + * for `ObjectSchema`. To work around that, we just import the type manually + * and give it a different name to use in the JSDoc comments. + */ +/** @typedef {ObjectSchema} ObjectSchemaInstance */ + +//------------------------------------------------------------------------------ +// Helpers +//------------------------------------------------------------------------------ + +const Minimatch = minimatch.Minimatch; +const debug = createDebug("@eslint/config-array"); + +/** + * A cache for minimatch instances. + * @type {Map} + */ +const minimatchCache = new Map(); + +/** + * A cache for negated minimatch instances. + * @type {Map} + */ +const negatedMinimatchCache = new Map(); + +/** + * Options to use with minimatch. + * @type {Object} + */ +const MINIMATCH_OPTIONS = { + // matchBase: true, + dot: true, + allowWindowsEscape: true, +}; + +/** + * The types of config objects that are supported. + * @type {Set} + */ +const CONFIG_TYPES = new Set(["array", "function"]); + +/** + * Fields that are considered metadata and not part of the config object. + * @type {Set} + */ +const META_FIELDS = new Set(["name", "basePath"]); + +/** + * A schema containing just files and ignores for early validation. + * @type {ObjectSchemaInstance} + */ +const FILES_AND_IGNORES_SCHEMA = new ObjectSchema(filesAndIgnoresSchema); + +// Precomputed constant objects returned by `ConfigArray.getConfigWithStatus`. + +const CONFIG_WITH_STATUS_EXTERNAL = Object.freeze({ status: "external" }); +const CONFIG_WITH_STATUS_IGNORED = Object.freeze({ status: "ignored" }); +const CONFIG_WITH_STATUS_UNCONFIGURED = Object.freeze({ + status: "unconfigured", +}); + +// Match two leading dots followed by a slash or the end of input. +const EXTERNAL_PATH_REGEX = /^\.\.(?:\/|$)/u; + +/** + * Wrapper error for config validation errors that adds a name to the front of the + * error message. + */ +class ConfigError extends Error { + /** + * Creates a new instance. + * @param {string} name The config object name causing the error. + * @param {number} index The index of the config object in the array. + * @param {Object} options The options for the error. + * @param {Error} [options.cause] The error that caused this error. + * @param {string} [options.message] The message to use for the error. + */ + constructor(name, index, { cause, message }) { + const finalMessage = message || cause.message; + + super(`Config ${name}: ${finalMessage}`, { cause }); + + // copy over custom properties that aren't represented + if (cause) { + for (const key of Object.keys(cause)) { + if (!(key in this)) { + this[key] = cause[key]; + } + } + } + + /** + * The name of the error. + * @type {string} + * @readonly + */ + this.name = "ConfigError"; + + /** + * The index of the config object in the array. + * @type {number} + * @readonly + */ + this.index = index; + } +} + +/** + * Gets the name of a config object. + * @param {ConfigObject} config The config object to get the name of. + * @returns {string} The name of the config object. + */ +function getConfigName(config) { + if (config && typeof config.name === "string" && config.name) { + return `"${config.name}"`; + } + + return "(unnamed)"; +} + +/** + * Rethrows a config error with additional information about the config object. + * @param {object} config The config object to get the name of. + * @param {number} index The index of the config object in the array. + * @param {Error} error The error to rethrow. + * @throws {ConfigError} When the error is rethrown for a config. + */ +function rethrowConfigError(config, index, error) { + const configName = getConfigName(config); + throw new ConfigError(configName, index, { cause: error }); +} + +/** + * Shorthand for checking if a value is a string. + * @param {any} value The value to check. + * @returns {boolean} True if a string, false if not. + */ +function isString(value) { + return typeof value === "string"; +} + +/** + * Creates a function that asserts that the config is valid + * during normalization. This checks that the config is not nullish + * and that files and ignores keys of a config object are valid as per base schema. + * @param {Object} config The config object to check. + * @param {number} index The index of the config object in the array. + * @returns {void} + * @throws {ConfigError} If the files and ignores keys of a config object are not valid. + */ +function assertValidBaseConfig(config, index) { + if (config === null) { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected null config.", + }); + } + + if (config === undefined) { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected undefined config.", + }); + } + + if (typeof config !== "object") { + throw new ConfigError(getConfigName(config), index, { + message: "Unexpected non-object config.", + }); + } + + const validateConfig = {}; + + if ("basePath" in config) { + validateConfig.basePath = config.basePath; + } + + if ("files" in config) { + validateConfig.files = config.files; + } + + if ("ignores" in config) { + validateConfig.ignores = config.ignores; + } + + try { + FILES_AND_IGNORES_SCHEMA.validate(validateConfig); + } catch (validationError) { + rethrowConfigError(config, index, validationError); + } +} + +/** + * Wrapper around minimatch that caches minimatch patterns for + * faster matching speed over multiple file path evaluations. + * @param {string} filepath The file path to match. + * @param {string} pattern The glob pattern to match against. + * @param {object} options The minimatch options to use. + * @returns + */ +function doMatch(filepath, pattern, options = {}) { + let cache = minimatchCache; + + if (options.flipNegate) { + cache = negatedMinimatchCache; + } + + let matcher = cache.get(pattern); + + if (!matcher) { + matcher = new Minimatch( + pattern, + Object.assign({}, MINIMATCH_OPTIONS, options), + ); + cache.set(pattern, matcher); + } + + return matcher.match(filepath); +} + +/** + * Normalizes a pattern by removing the leading "./" if present. + * @param {string} pattern The pattern to normalize. + * @returns {string} The normalized pattern. + */ +function normalizePattern(pattern) { + if (isString(pattern)) { + if (pattern.startsWith("./")) { + return pattern.slice(2); + } + + if (pattern.startsWith("!./")) { + return `!${pattern.slice(3)}`; + } + } + + return pattern; +} + +/** + * Checks if a given pattern requires normalization. + * @param {any} pattern The pattern to check. + * @returns {boolean} True if the pattern needs normalization, false otherwise. + * + */ +function needsPatternNormalization(pattern) { + return ( + isString(pattern) && + (pattern.startsWith("./") || pattern.startsWith("!./")) + ); +} + +/** + * Normalizes `files` and `ignores` patterns in a config by removing "./" prefixes. + * @param {Object} config The config object to normalize patterns in. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base path is relative. + * @param {PathImpl} path Path-handling implementation. + * @returns {Object} The normalized config object. + */ +function normalizeConfigPatterns(config, namespacedBasePath, path) { + if (!config) { + return config; + } + + const hasBasePath = typeof config.basePath === "string"; + + let needsNormalization = false; + + if (hasBasePath) { + needsNormalization = true; + } + + if (!needsNormalization && Array.isArray(config.files)) { + needsNormalization = config.files.some(pattern => { + if (Array.isArray(pattern)) { + return pattern.some(needsPatternNormalization); + } + return needsPatternNormalization(pattern); + }); + } + + if (!needsNormalization && Array.isArray(config.ignores)) { + needsNormalization = config.ignores.some(needsPatternNormalization); + } + + if (!needsNormalization) { + return config; + } + + const newConfig = { ...config }; + + if (hasBasePath) { + if (path.isAbsolute(config.basePath)) { + newConfig.basePath = path.toNamespacedPath(config.basePath); + } else { + newConfig.basePath = path.resolve( + namespacedBasePath, + config.basePath, + ); + } + } + + if (Array.isArray(newConfig.files)) { + newConfig.files = newConfig.files.map(pattern => { + if (Array.isArray(pattern)) { + return pattern.map(normalizePattern); + } + return normalizePattern(pattern); + }); + } + + if (Array.isArray(newConfig.ignores)) { + newConfig.ignores = newConfig.ignores.map(normalizePattern); + } + + return newConfig; +} + +/** + * Normalizes a `ConfigArray` by flattening it and executing any functions + * that are found inside. + * @param {Array} items The items in a `ConfigArray`. + * @param {Object} context The context object to pass into any function + * found. + * @param {Array} extraConfigTypes The config types to check. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base paths are relative. + * @param {PathImpl} path Path-handling implementation. + * @returns {Promise} A flattened array containing only config objects. + * @throws {TypeError} When a config function returns a function. + */ +async function normalize( + items, + context, + extraConfigTypes, + namespacedBasePath, + path, +) { + const allowFunctions = extraConfigTypes.includes("function"); + const allowArrays = extraConfigTypes.includes("array"); + + async function* flatTraverse(array) { + for (let item of array) { + if (typeof item === "function") { + if (!allowFunctions) { + throw new TypeError("Unexpected function."); + } + + item = item(context); + if (item.then) { + item = await item; + } + } + + if (Array.isArray(item)) { + if (!allowArrays) { + throw new TypeError("Unexpected array."); + } + yield* flatTraverse(item); + } else if (typeof item === "function") { + throw new TypeError( + "A config function can only return an object or array.", + ); + } else { + yield item; + } + } + } + + /* + * Async iterables cannot be used with the spread operator, so we need to manually + * create the array to return. + */ + const asyncIterable = await flatTraverse(items); + const configs = []; + + for await (const config of asyncIterable) { + configs.push(normalizeConfigPatterns(config, namespacedBasePath, path)); + } + + return configs; +} + +/** + * Normalizes a `ConfigArray` by flattening it and executing any functions + * that are found inside. + * @param {Array} items The items in a `ConfigArray`. + * @param {Object} context The context object to pass into any function + * found. + * @param {Array} extraConfigTypes The config types to check. + * @param {string} namespacedBasePath The namespaced base path of the directory to which config base paths are relative. + * @param {PathImpl} path Path-handling implementation + * @returns {Array} A flattened array containing only config objects. + * @throws {TypeError} When a config function returns a function. + */ +function normalizeSync( + items, + context, + extraConfigTypes, + namespacedBasePath, + path, +) { + const allowFunctions = extraConfigTypes.includes("function"); + const allowArrays = extraConfigTypes.includes("array"); + + function* flatTraverse(array) { + for (let item of array) { + if (typeof item === "function") { + if (!allowFunctions) { + throw new TypeError("Unexpected function."); + } + + item = item(context); + if (item.then) { + throw new TypeError( + "Async config functions are not supported.", + ); + } + } + + if (Array.isArray(item)) { + if (!allowArrays) { + throw new TypeError("Unexpected array."); + } + + yield* flatTraverse(item); + } else if (typeof item === "function") { + throw new TypeError( + "A config function can only return an object or array.", + ); + } else { + yield item; + } + } + } + + const configs = []; + + for (const config of flatTraverse(items)) { + configs.push(normalizeConfigPatterns(config, namespacedBasePath, path)); + } + + return configs; +} + +/** + * Converts a given path to a relative path with all separator characters replaced by forward slashes (`"/"`). + * @param {string} fileOrDirPath The unprocessed path to convert. + * @param {string} namespacedBasePath The namespaced base path of the directory to which the calculated path shall be relative. + * @param {PathImpl} path Path-handling implementations. + * @returns {string} A relative path with all separator characters replaced by forward slashes. + */ +function toRelativePath(fileOrDirPath, namespacedBasePath, path) { + const fullPath = path.resolve(namespacedBasePath, fileOrDirPath); + const namespacedFullPath = path.toNamespacedPath(fullPath); + const relativePath = path.relative(namespacedBasePath, namespacedFullPath); + return relativePath.replaceAll(path.SEPARATOR, "/"); +} + +/** + * Determines if a given file path should be ignored based on the given + * matcher. + * @param {Array<{ basePath?: string, ignores: Array boolean)>}>} configs Configuration objects containing `ignores`. + * @param {string} filePath The unprocessed file path to check. + * @param {string} relativeFilePath The path of the file to check relative to the base path, + * using forward slash (`"/"`) as a separator. + * @param {Object} [basePathData] Additional data needed to recalculate paths for configuration objects + * that have `basePath` property. + * @param {string} [basePathData.basePath] Namespaced path to witch `relativeFilePath` is relative. + * @param {PathImpl} [basePathData.path] Path-handling implementation. + * @returns {boolean} True if the path should be ignored and false if not. + */ +function shouldIgnorePath( + configs, + filePath, + relativeFilePath, + { basePath, path } = {}, +) { + let shouldIgnore = false; + + for (const config of configs) { + let relativeFilePathToCheck = relativeFilePath; + if (config.basePath) { + relativeFilePathToCheck = toRelativePath( + path.resolve(basePath, relativeFilePath), + config.basePath, + path, + ); + + if ( + relativeFilePathToCheck === "" || + EXTERNAL_PATH_REGEX.test(relativeFilePathToCheck) + ) { + continue; + } + + if (relativeFilePath.endsWith("/")) { + relativeFilePathToCheck += "/"; + } + } + shouldIgnore = config.ignores.reduce((ignored, matcher) => { + if (!ignored) { + if (typeof matcher === "function") { + return matcher(filePath); + } + + // don't check negated patterns because we're not ignored yet + if (!matcher.startsWith("!")) { + return doMatch(relativeFilePathToCheck, matcher); + } + + // otherwise we're still not ignored + return false; + } + + // only need to check negated patterns because we're ignored + if (typeof matcher === "string" && matcher.startsWith("!")) { + return !doMatch(relativeFilePathToCheck, matcher, { + flipNegate: true, + }); + } + + return ignored; + }, shouldIgnore); + } + + return shouldIgnore; +} + +/** + * Determines if a given file path is matched by a config. If the config + * has no `files` field, then it matches; otherwise, if a `files` field + * is present then we match the globs in `files` and exclude any globs in + * `ignores`. + * @param {string} filePath The unprocessed file path to check. + * @param {string} relativeFilePath The path of the file to check relative to the base path, + * using forward slash (`"/"`) as a separator. + * @param {Object} config The config object to check. + * @returns {boolean} True if the file path is matched by the config, + * false if not. + */ +function pathMatches(filePath, relativeFilePath, config) { + // match both strings and functions + function match(pattern) { + if (isString(pattern)) { + return doMatch(relativeFilePath, pattern); + } + + if (typeof pattern === "function") { + return pattern(filePath); + } + + throw new TypeError(`Unexpected matcher type ${pattern}.`); + } + + // check for all matches to config.files + let filePathMatchesPattern = config.files.some(pattern => { + if (Array.isArray(pattern)) { + return pattern.every(match); + } + + return match(pattern); + }); + + /* + * If the file path matches the config.files patterns, then check to see + * if there are any files to ignore. + */ + if (filePathMatchesPattern && config.ignores) { + /* + * Pass config object without `basePath`, because `relativeFilePath` is already + * calculated as relative to it. + */ + filePathMatchesPattern = !shouldIgnorePath( + [{ ignores: config.ignores }], + filePath, + relativeFilePath, + ); + } + + return filePathMatchesPattern; +} + +/** + * Ensures that a ConfigArray has been normalized. + * @param {ConfigArray} configArray The ConfigArray to check. + * @returns {void} + * @throws {Error} When the `ConfigArray` is not normalized. + */ +function assertNormalized(configArray) { + // TODO: Throw more verbose error + if (!configArray.isNormalized()) { + throw new Error( + "ConfigArray must be normalized to perform this operation.", + ); + } +} + +/** + * Ensures that config types are valid. + * @param {Array} extraConfigTypes The config types to check. + * @returns {void} + * @throws {TypeError} When the config types array is invalid. + */ +function assertExtraConfigTypes(extraConfigTypes) { + if (extraConfigTypes.length > 2) { + throw new TypeError( + "configTypes must be an array with at most two items.", + ); + } + + for (const configType of extraConfigTypes) { + if (!CONFIG_TYPES.has(configType)) { + throw new TypeError( + `Unexpected config type "${configType}" found. Expected one of: "object", "array", "function".`, + ); + } + } +} + +/** + * Returns path-handling implementations for Unix or Windows, depending on a given absolute path. + * @param {string} fileOrDirPath The absolute path to check. + * @returns {PathImpl} Path-handling implementations for the specified path. + * @throws {Error} An error is thrown if the specified argument is not an absolute path. + */ +function getPathImpl(fileOrDirPath) { + // Posix absolute paths always start with a slash. + if (fileOrDirPath.startsWith("/")) { + return posixPath; + } + + // Windows absolute paths start with a letter followed by a colon and at least one backslash, + // or with two backslashes in the case of UNC paths. + // Forward slashed are automatically normalized to backslashes. + if (/^(?:[A-Za-z]:[/\\]|[/\\]{2})/u.test(fileOrDirPath)) { + return windowsPath; + } + + throw new Error( + `Expected an absolute path but received "${fileOrDirPath}"`, + ); +} + +//------------------------------------------------------------------------------ +// Public Interface +//------------------------------------------------------------------------------ + +const ConfigArraySymbol = { + isNormalized: Symbol("isNormalized"), + configCache: Symbol("configCache"), + schema: Symbol("schema"), + finalizeConfig: Symbol("finalizeConfig"), + preprocessConfig: Symbol("preprocessConfig"), +}; + +// used to store calculate data for faster lookup +const dataCache = new WeakMap(); + +/** + * Represents an array of config objects and provides method for working with + * those config objects. + */ +class ConfigArray extends Array { + /** + * The namespaced path of the config file directory. + * @type {string} + */ + #namespacedBasePath; + + /** + * Path-handling implementations. + * @type {PathImpl} + */ + #path; + + /** + * Creates a new instance of ConfigArray. + * @param {Iterable|Function|Object} configs An iterable yielding config + * objects, or a config function, or a config object. + * @param {Object} options The options for the ConfigArray. + * @param {string} [options.basePath="/"] The absolute path of the config file directory. + * Defaults to `"/"`. + * @param {boolean} [options.normalized=false] Flag indicating if the + * configs have already been normalized. + * @param {Object} [options.schema] The additional schema + * definitions to use for the ConfigArray schema. + * @param {Array} [options.extraConfigTypes] List of config types supported. + * @throws {TypeError} When the `basePath` is not a non-empty string, + */ + constructor( + configs, + { + basePath = "/", + normalized = false, + schema: customSchema, + extraConfigTypes = [], + } = {}, + ) { + super(); + + /** + * Tracks if the array has been normalized. + * @property isNormalized + * @type {boolean} + * @private + */ + this[ConfigArraySymbol.isNormalized] = normalized; + + /** + * The schema used for validating and merging configs. + * @property schema + * @type {ObjectSchemaInstance} + * @private + */ + this[ConfigArraySymbol.schema] = new ObjectSchema( + Object.assign({}, customSchema, baseSchema), + ); + + if (!isString(basePath) || !basePath) { + throw new TypeError("basePath must be a non-empty string"); + } + + /** + * The path of the config file that this array was loaded from. + * This is used to calculate filename matches. + * @property basePath + * @type {string} + */ + this.basePath = basePath; + + assertExtraConfigTypes(extraConfigTypes); + + /** + * The supported config types. + * @type {Array} + */ + this.extraConfigTypes = [...extraConfigTypes]; + Object.freeze(this.extraConfigTypes); + + /** + * A cache to store calculated configs for faster repeat lookup. + * @property configCache + * @type {Map} + * @private + */ + this[ConfigArraySymbol.configCache] = new Map(); + + // init cache + dataCache.set(this, { + explicitMatches: new Map(), + directoryMatches: new Map(), + files: undefined, + ignores: undefined, + }); + + // load the configs into this array + if (Array.isArray(configs)) { + this.push(...configs); + } else { + this.push(configs); + } + + // select path-handling implementations depending on the base path + this.#path = getPathImpl(basePath); + + // On Windows, `path.relative()` returns an absolute path when given two paths on different drives. + // The namespaced base path is useful to make sure that calculated relative paths are always relative. + // On Unix, it is identical to the base path. + this.#namespacedBasePath = this.#path.toNamespacedPath(basePath); + } + + /** + * Prevent normal array methods from creating a new `ConfigArray` instance. + * This is to ensure that methods such as `slice()` won't try to create a + * new instance of `ConfigArray` behind the scenes as doing so may throw + * an error due to the different constructor signature. + * @type {ArrayConstructor} The `Array` constructor. + */ + static get [Symbol.species]() { + return Array; + } + + /** + * Returns the `files` globs from every config object in the array. + * This can be used to determine which files will be matched by a + * config array or to use as a glob pattern when no patterns are provided + * for a command line interface. + * @returns {Array} An array of matchers. + */ + get files() { + assertNormalized(this); + + // if this data has been cached, retrieve it + const cache = dataCache.get(this); + + if (cache.files) { + return cache.files; + } + + // otherwise calculate it + + const result = []; + + for (const config of this) { + if (config.files) { + config.files.forEach(filePattern => { + result.push(filePattern); + }); + } + } + + // store result + cache.files = result; + dataCache.set(this, cache); + + return result; + } + + /** + * Returns ignore matchers that should always be ignored regardless of + * the matching `files` fields in any configs. This is necessary to mimic + * the behavior of things like .gitignore and .eslintignore, allowing a + * globbing operation to be faster. + * @returns {Object[]} An array of config objects representing global ignores. + */ + get ignores() { + assertNormalized(this); + + // if this data has been cached, retrieve it + const cache = dataCache.get(this); + + if (cache.ignores) { + return cache.ignores; + } + + // otherwise calculate it + + const result = []; + + for (const config of this) { + /* + * We only count ignores if there are no other keys in the object. + * In this case, it acts list a globally ignored pattern. If there + * are additional keys, then ignores act like exclusions. + */ + if ( + config.ignores && + Object.keys(config).filter(key => !META_FIELDS.has(key)) + .length === 1 + ) { + result.push(config); + } + } + + // store result + cache.ignores = result; + dataCache.set(this, cache); + + return result; + } + + /** + * Indicates if the config array has been normalized. + * @returns {boolean} True if the config array is normalized, false if not. + */ + isNormalized() { + return this[ConfigArraySymbol.isNormalized]; + } + + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {Promise} The current ConfigArray instance. + */ + async normalize(context = {}) { + if (!this.isNormalized()) { + const normalizedConfigs = await normalize( + this, + context, + this.extraConfigTypes, + this.#namespacedBasePath, + this.#path, + ); + this.length = 0; + this.push( + ...normalizedConfigs.map( + this[ConfigArraySymbol.preprocessConfig].bind(this), + ), + ); + this.forEach(assertValidBaseConfig); + this[ConfigArraySymbol.isNormalized] = true; + + // prevent further changes + Object.freeze(this); + } + + return this; + } + + /** + * Normalizes a config array by flattening embedded arrays and executing + * config functions. + * @param {Object} [context] The context object for config functions. + * @returns {ConfigArray} The current ConfigArray instance. + */ + normalizeSync(context = {}) { + if (!this.isNormalized()) { + const normalizedConfigs = normalizeSync( + this, + context, + this.extraConfigTypes, + this.#namespacedBasePath, + this.#path, + ); + this.length = 0; + this.push( + ...normalizedConfigs.map( + this[ConfigArraySymbol.preprocessConfig].bind(this), + ), + ); + this.forEach(assertValidBaseConfig); + this[ConfigArraySymbol.isNormalized] = true; + + // prevent further changes + Object.freeze(this); + } + + return this; + } + + /* eslint-disable class-methods-use-this -- Desired as instance methods */ + + /** + * Finalizes the state of a config before being cached and returned by + * `getConfig()`. Does nothing by default but is provided to be + * overridden by subclasses as necessary. + * @param {Object} config The config to finalize. + * @returns {Object} The finalized config. + */ + // Cast key to `never` to prevent TypeScript from adding the signature `[x: symbol]: (config: any) => any` to the type of the class. + [/** @type {never} */ (ConfigArraySymbol.finalizeConfig)](config) { + return config; + } + + /** + * Preprocesses a config during the normalization process. This is the + * method to override if you want to convert an array item before it is + * validated for the first time. For example, if you want to replace a + * string with an object, this is the method to override. + * @param {Object} config The config to preprocess. + * @returns {Object} The config to use in place of the argument. + */ + // Cast key to `never` to prevent TypeScript from adding the signature `[x: symbol]: (config: any) => any` to the type of the class. + [/** @type {never} */ (ConfigArraySymbol.preprocessConfig)](config) { + return config; + } + + /* eslint-enable class-methods-use-this -- Desired as instance methods */ + + /** + * Returns the config object for a given file path and a status that can be used to determine why a file has no config. + * @param {string} filePath The path of a file to get a config for. + * @returns {{ config?: Object, status: "ignored"|"external"|"unconfigured"|"matched" }} + * An object with an optional property `config` and property `status`. + * `config` is the config object for the specified file as returned by {@linkcode ConfigArray.getConfig}, + * `status` a is one of the constants returned by {@linkcode ConfigArray.getConfigStatus}. + */ + getConfigWithStatus(filePath) { + assertNormalized(this); + + const cache = this[ConfigArraySymbol.configCache]; + + // first check the cache for a filename match to avoid duplicate work + if (cache.has(filePath)) { + return cache.get(filePath); + } + + // check to see if the file is outside the base path + + const relativeToBaseFilePath = toRelativePath( + filePath, + this.#namespacedBasePath, + this.#path, + ); + + if (EXTERNAL_PATH_REGEX.test(relativeToBaseFilePath)) { + debug(`No config for file ${filePath} outside of base path`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_EXTERNAL); + return CONFIG_WITH_STATUS_EXTERNAL; + } + + // next check to see if the file should be ignored + + // check if this should be ignored due to its directory + if (this.isDirectoryIgnored(this.#path.dirname(filePath))) { + debug(`Ignoring ${filePath} based on directory pattern`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_IGNORED); + return CONFIG_WITH_STATUS_IGNORED; + } + + if ( + shouldIgnorePath(this.ignores, filePath, relativeToBaseFilePath, { + basePath: this.#namespacedBasePath, + path: this.#path, + }) + ) { + debug(`Ignoring ${filePath} based on file pattern`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_IGNORED); + return CONFIG_WITH_STATUS_IGNORED; + } + + // filePath isn't automatically ignored, so try to construct config + + const matchingConfigIndices = []; + let matchFound = false; + const universalPattern = /^\*$|^!|\/\*{1,2}$/u; + + this.forEach((config, index) => { + const relativeFilePath = config.basePath + ? toRelativePath( + this.#path.resolve(this.#namespacedBasePath, filePath), + config.basePath, + this.#path, + ) + : relativeToBaseFilePath; + + if (config.basePath && EXTERNAL_PATH_REGEX.test(relativeFilePath)) { + debug( + `Skipped config found for ${filePath} (based on config's base path: ${config.basePath}`, + ); + return; + } + + if (!config.files) { + if (!config.ignores) { + debug(`Universal config found for ${filePath}`); + matchingConfigIndices.push(index); + return; + } + + if ( + Object.keys(config).filter(key => !META_FIELDS.has(key)) + .length === 1 + ) { + debug( + `Skipped config found for ${filePath} (global ignores)`, + ); + return; + } + + /* + * Pass config object without `basePath`, because `relativeFilePath` is already + * calculated as relative to it. + */ + if ( + shouldIgnorePath( + [{ ignores: config.ignores }], + filePath, + relativeFilePath, + ) + ) { + debug( + `Skipped config found for ${filePath} (based on ignores: ${config.ignores})`, + ); + return; + } + + debug( + `Matching config found for ${filePath} (based on ignores: ${config.ignores})`, + ); + matchingConfigIndices.push(index); + return; + } + + /* + * If a config has a files pattern * or patterns ending in /** or /*, + * and the filePath only matches those patterns, then the config is only + * applied if there is another config where the filePath matches + * a file with a specific extensions such as *.js. + */ + + const nonUniversalFiles = []; + const universalFiles = config.files.filter(element => { + if (Array.isArray(element)) { + /* + * filePath matches an element that is an array only if it matches + * all patterns in it (AND operation). Therefore, if there is at least + * one non-universal pattern in the array, and filePath matches the array, + * then we know for sure that filePath matches at least one non-universal + * pattern, so we can consider the entire array to be non-universal. + * In other words, all patterns in the array need to be universal + * for it to be considered universal. + */ + if ( + element.every(pattern => universalPattern.test(pattern)) + ) { + return true; + } + + nonUniversalFiles.push(element); + return false; + } + + // element is a string + + if (universalPattern.test(element)) { + return true; + } + + nonUniversalFiles.push(element); + return false; + }); + + // universal patterns were found so we need to check the config twice + if (universalFiles.length) { + debug("Universal files patterns found. Checking carefully."); + + // check that the config matches without the non-universal files first + if ( + nonUniversalFiles.length && + pathMatches(filePath, relativeFilePath, { + files: nonUniversalFiles, + ignores: config.ignores, + }) + ) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + matchFound = true; + return; + } + + // if there wasn't a match then check if it matches with universal files + if ( + universalFiles.length && + pathMatches(filePath, relativeFilePath, { + files: universalFiles, + ignores: config.ignores, + }) + ) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + return; + } + + // if we make here, then there was no match + return; + } + + // the normal case + if (pathMatches(filePath, relativeFilePath, config)) { + debug(`Matching config found for ${filePath}`); + matchingConfigIndices.push(index); + matchFound = true; + } + }); + + // if matching both files and ignores, there will be no config to create + if (!matchFound) { + debug(`No matching configs found for ${filePath}`); + + // cache and return result + cache.set(filePath, CONFIG_WITH_STATUS_UNCONFIGURED); + return CONFIG_WITH_STATUS_UNCONFIGURED; + } + + // check to see if there is a config cached by indices + const indicesKey = matchingConfigIndices.toString(); + let configWithStatus = cache.get(indicesKey); + + if (configWithStatus) { + // also store for filename for faster lookup next time + cache.set(filePath, configWithStatus); + + return configWithStatus; + } + + // otherwise construct the config + + // eslint-disable-next-line array-callback-return, consistent-return -- rethrowConfigError always throws an error + let finalConfig = matchingConfigIndices.reduce((result, index) => { + try { + return this[ConfigArraySymbol.schema].merge( + result, + this[index], + ); + } catch (validationError) { + rethrowConfigError(this[index], index, validationError); + } + }, {}); + + finalConfig = this[ConfigArraySymbol.finalizeConfig](finalConfig); + + configWithStatus = Object.freeze({ + config: finalConfig, + status: "matched", + }); + cache.set(filePath, configWithStatus); + cache.set(indicesKey, configWithStatus); + + return configWithStatus; + } + + /** + * Returns the config object for a given file path. + * @param {string} filePath The path of a file to get a config for. + * @returns {Object|undefined} The config object for this file or `undefined`. + */ + getConfig(filePath) { + return this.getConfigWithStatus(filePath).config; + } + + /** + * Determines whether a file has a config or why it doesn't. + * @param {string} filePath The path of the file to check. + * @returns {"ignored"|"external"|"unconfigured"|"matched"} One of the following values: + * * `"ignored"`: the file is ignored + * * `"external"`: the file is outside the base path + * * `"unconfigured"`: the file is not matched by any config + * * `"matched"`: the file has a matching config + */ + getConfigStatus(filePath) { + return this.getConfigWithStatus(filePath).status; + } + + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + * @deprecated Use `isFileIgnored` instead. + */ + isIgnored(filePath) { + return this.isFileIgnored(filePath); + } + + /** + * Determines if the given filepath is ignored based on the configs. + * @param {string} filePath The path of a file to check. + * @returns {boolean} True if the path is ignored, false if not. + */ + isFileIgnored(filePath) { + return this.getConfigStatus(filePath) === "ignored"; + } + + /** + * Determines if the given directory is ignored based on the configs. + * This checks only default `ignores` that don't have `files` in the + * same config. A pattern such as `/foo` be considered to ignore the directory + * while a pattern such as `/foo/**` is not considered to ignore the + * directory because it is matching files. + * @param {string} directoryPath The path of a directory to check. + * @returns {boolean} True if the directory is ignored, false if not. Will + * return true for any directory that is not inside of `basePath`. + * @throws {Error} When the `ConfigArray` is not normalized. + */ + isDirectoryIgnored(directoryPath) { + assertNormalized(this); + + const relativeDirectoryPath = toRelativePath( + directoryPath, + this.#namespacedBasePath, + this.#path, + ); + + // basePath directory can never be ignored + if (relativeDirectoryPath === "") { + return false; + } + + if (EXTERNAL_PATH_REGEX.test(relativeDirectoryPath)) { + return true; + } + + // first check the cache + const cache = dataCache.get(this).directoryMatches; + + if (cache.has(relativeDirectoryPath)) { + return cache.get(relativeDirectoryPath); + } + + const directoryParts = relativeDirectoryPath.split("/"); + let relativeDirectoryToCheck = ""; + let result; + + /* + * In order to get the correct gitignore-style ignores, where an + * ignored parent directory cannot have any descendants unignored, + * we need to check every directory starting at the parent all + * the way down to the actual requested directory. + * + * We aggressively cache all of this info to make sure we don't + * have to recalculate everything for every call. + */ + do { + relativeDirectoryToCheck += `${directoryParts.shift()}/`; + + result = shouldIgnorePath( + this.ignores, + this.#path.join(this.basePath, relativeDirectoryToCheck), + relativeDirectoryToCheck, + { + basePath: this.#namespacedBasePath, + path: this.#path, + }, + ); + + cache.set(relativeDirectoryToCheck, result); + } while (!result && directoryParts.length); + + // also cache the result for the requested path + cache.set(relativeDirectoryPath, result); + + return result; + } +} + +export { ConfigArray, ConfigArraySymbol }; diff --git a/node_modules/@eslint/config-array/dist/esm/std__path/posix.js b/node_modules/@eslint/config-array/dist/esm/std__path/posix.js new file mode 100644 index 000000000..8af576a12 --- /dev/null +++ b/node_modules/@eslint/config-array/dist/esm/std__path/posix.js @@ -0,0 +1,1314 @@ +// @ts-nocheck +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +function assertPath(path) { + if (typeof path !== "string") { + throw new TypeError(`Path must be a string, received "${JSON.stringify(path)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function stripSuffix(name, suffix) { + if (suffix.length >= name.length) { + return name; + } + const lenDiff = name.length - suffix.length; + for(let i = suffix.length - 1; i >= 0; --i){ + if (name.charCodeAt(lenDiff + i) !== suffix.charCodeAt(i)) { + return name; + } + } + return name.slice(0, -suffix.length); +} +function lastPathSegment(path, isSep, start = 0) { + let matchedNonSeparator = false; + let end = path.length; + for(let i = path.length - 1; i >= start; --i){ + if (isSep(path.charCodeAt(i))) { + if (matchedNonSeparator) { + start = i + 1; + break; + } + } else if (!matchedNonSeparator) { + matchedNonSeparator = true; + end = i + 1; + } + } + return path.slice(start, end); +} +function assertArgs$1(path, suffix) { + assertPath(path); + if (path.length === 0) return path; + if (typeof suffix !== "string") { + throw new TypeError(`Suffix must be a string, received "${JSON.stringify(suffix)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$3(url) { + url = url instanceof URL ? url : new URL(url); + if (url.protocol !== "file:") { + throw new TypeError(`URL must be a file URL: received "${url.protocol}"`); + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a file URL to a path string. + * + * @example Usage + * ```ts + * import { fromFileUrl } from "@std/path/posix/from-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(fromFileUrl(new URL("file:///home/foo")), "/home/foo"); + * ``` + * + * @param url The file URL to convert. + * @returns The path string. + */ function fromFileUrl(url) { + url = assertArg$3(url); + return decodeURIComponent(url.pathname.replace(/%(?![0-9A-Fa-f]{2})/g, "%25")); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function stripTrailingSeparators(segment, isSep) { + if (segment.length <= 1) { + return segment; + } + let end = segment.length; + for(let i = segment.length - 1; i > 0; i--){ + if (isSep(segment.charCodeAt(i))) { + end = i; + } else { + break; + } + } + return segment.slice(0, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Alphabet chars. +// Non-alphabetic chars. +const CHAR_DOT = 46; /* . */ +const CHAR_FORWARD_SLASH = 47; /* / */ + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function isPosixPathSeparator(code) { + return code === CHAR_FORWARD_SLASH; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the last portion of a `path`. + * Trailing directory separators are ignored, and optional suffix is removed. + * + * @example Usage + * ```ts + * import { basename } from "@std/path/posix/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("/home/user/Documents/"), "Documents"); + * assertEquals(basename("/home/user/Documents/image.png"), "image.png"); + * assertEquals(basename("/home/user/Documents/image.png", ".png"), "image"); + * assertEquals(basename(new URL("file:///home/user/Documents/image.png")), "image.png"); + * assertEquals(basename(new URL("file:///home/user/Documents/image.png"), ".png"), "image"); + * ``` + * + * @example Working with URLs + * + * Note: This function doesn't automatically strip hash and query parts from + * URLs. If your URL contains a hash or query, remove them before passing the + * URL to the function. This can be done by passing the URL to `new URL(url)`, + * and setting the `hash` and `search` properties to empty strings. + * + * ```ts + * import { basename } from "@std/path/posix/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("https://deno.land/std/path/mod.ts"), "mod.ts"); + * assertEquals(basename("https://deno.land/std/path/mod.ts", ".ts"), "mod"); + * assertEquals(basename("https://deno.land/std/path/mod.ts?a=b"), "mod.ts?a=b"); + * assertEquals(basename("https://deno.land/std/path/mod.ts#header"), "mod.ts#header"); + * ``` + * + * @param path The path to extract the name from. + * @param suffix The suffix to remove from extracted name. + * @returns The extracted name. + */ function basename(path, suffix = "") { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArgs$1(path, suffix); + const lastSegment = lastPathSegment(path, isPosixPathSeparator); + const strippedSegment = stripTrailingSeparators(lastSegment, isPosixPathSeparator); + return suffix ? stripSuffix(strippedSegment, suffix) : strippedSegment; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * The character used to separate entries in the PATH environment variable. + */ const DELIMITER = ":"; +/** + * The character used to separate components of a file path. + */ const SEPARATOR = "/"; +/** + * A regular expression that matches one or more path separators. + */ const SEPARATOR_PATTERN = /\/+/; + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$2(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the directory path of a `path`. + * + * @example Usage + * ```ts + * import { dirname } from "@std/path/posix/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("/home/user/Documents/"), "/home/user"); + * assertEquals(dirname("/home/user/Documents/image.png"), "/home/user/Documents"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts"), "https://deno.land/std/path"); + * assertEquals(dirname(new URL("file:///home/user/Documents/image.png")), "/home/user/Documents"); + * ``` + * + * @example Working with URLs + * + * ```ts + * import { dirname } from "@std/path/posix/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("https://deno.land/std/path/mod.ts"), "https://deno.land/std/path"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts?a=b"), "https://deno.land/std/path"); + * assertEquals(dirname("https://deno.land/std/path/mod.ts#header"), "https://deno.land/std/path"); + * ``` + * + * @param path The path to get the directory from. + * @returns The directory path. + */ function dirname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg$2(path); + let end = -1; + let matchedNonSeparator = false; + for(let i = path.length - 1; i >= 1; --i){ + if (isPosixPathSeparator(path.charCodeAt(i))) { + if (matchedNonSeparator) { + end = i; + break; + } + } else { + matchedNonSeparator = true; + } + } + // No matches. Fallback based on provided path: + // + // - leading slashes paths + // "/foo" => "/" + // "///foo" => "/" + // - no slash path + // "foo" => "." + if (end === -1) { + return isPosixPathSeparator(path.charCodeAt(0)) ? "/" : "."; + } + return stripTrailingSeparators(path.slice(0, end), isPosixPathSeparator); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the extension of the `path` with leading period. + * + * @example Usage + * ```ts + * import { extname } from "@std/path/posix/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("/home/user/Documents/file.ts"), ".ts"); + * assertEquals(extname("/home/user/Documents/"), ""); + * assertEquals(extname("/home/user/Documents/image.png"), ".png"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts")), ".ts"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts?a=b")), ".ts"); + * assertEquals(extname(new URL("file:///home/user/Documents/file.ts#header")), ".ts"); + * ``` + * + * @example Working with URLs + * + * Note: This function doesn't automatically strip hash and query parts from + * URLs. If your URL contains a hash or query, remove them before passing the + * URL to the function. This can be done by passing the URL to `new URL(url)`, + * and setting the `hash` and `search` properties to empty strings. + * + * ```ts + * import { extname } from "@std/path/posix/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("https://deno.land/std/path/mod.ts"), ".ts"); + * assertEquals(extname("https://deno.land/std/path/mod.ts?a=b"), ".ts?a=b"); + * assertEquals(extname("https://deno.land/std/path/mod.ts#header"), ".ts#header"); + * ``` + * + * @param path The path to get the extension from. + * @returns The extension (ex. for `file.ts` returns `.ts`). + */ function extname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertPath(path); + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + for(let i = path.length - 1; i >= 0; --i){ + const code = path.charCodeAt(i); + if (isPosixPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + return ""; + } + return path.slice(startDot, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function _format(sep, pathObject) { + const dir = pathObject.dir || pathObject.root; + const base = pathObject.base || (pathObject.name ?? "") + (pathObject.ext ?? ""); + if (!dir) return base; + if (base === sep) return dir; + if (dir === pathObject.root) return dir + base; + return dir + sep + base; +} +function assertArg$1(pathObject) { + if (pathObject === null || typeof pathObject !== "object") { + throw new TypeError(`The "pathObject" argument must be of type Object, received type "${typeof pathObject}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Generate a path from `ParsedPath` object. + * + * @example Usage + * ```ts + * import { format } from "@std/path/posix/format"; + * import { assertEquals } from "@std/assert"; + * + * const path = format({ + * root: "/", + * dir: "/path/dir", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * assertEquals(path, "/path/dir/file.txt"); + * ``` + * + * @param pathObject The path object to format. + * @returns The formatted path. + */ function format(pathObject) { + assertArg$1(pathObject); + return _format("/", pathObject); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Verifies whether provided path is absolute. + * + * @example Usage + * ```ts + * import { isAbsolute } from "@std/path/posix/is-absolute"; + * import { assert, assertFalse } from "@std/assert"; + * + * assert(isAbsolute("/home/user/Documents/")); + * assertFalse(isAbsolute("home/user/Documents/")); + * ``` + * + * @param path The path to verify. + * @returns Whether the path is absolute. + */ function isAbsolute(path) { + assertPath(path); + return path.length > 0 && isPosixPathSeparator(path.charCodeAt(0)); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Resolves . and .. elements in a path with directory names +function normalizeString(path, allowAboveRoot, separator, isPathSeparator) { + let res = ""; + let lastSegmentLength = 0; + let lastSlash = -1; + let dots = 0; + let code; + for(let i = 0; i <= path.length; ++i){ + if (i < path.length) code = path.charCodeAt(i); + else if (isPathSeparator(code)) break; + else code = CHAR_FORWARD_SLASH; + if (isPathSeparator(code)) { + if (lastSlash === i - 1 || dots === 1) ; else if (lastSlash !== i - 1 && dots === 2) { + if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== CHAR_DOT || res.charCodeAt(res.length - 2) !== CHAR_DOT) { + if (res.length > 2) { + const lastSlashIndex = res.lastIndexOf(separator); + if (lastSlashIndex === -1) { + res = ""; + lastSegmentLength = 0; + } else { + res = res.slice(0, lastSlashIndex); + lastSegmentLength = res.length - 1 - res.lastIndexOf(separator); + } + lastSlash = i; + dots = 0; + continue; + } else if (res.length === 2 || res.length === 1) { + res = ""; + lastSegmentLength = 0; + lastSlash = i; + dots = 0; + continue; + } + } + if (allowAboveRoot) { + if (res.length > 0) res += `${separator}..`; + else res = ".."; + lastSegmentLength = 2; + } + } else { + if (res.length > 0) res += separator + path.slice(lastSlash + 1, i); + else res = path.slice(lastSlash + 1, i); + lastSegmentLength = i - lastSlash - 1; + } + lastSlash = i; + dots = 0; + } else if (code === CHAR_DOT && dots !== -1) { + ++dots; + } else { + dots = -1; + } + } + return res; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Normalize the `path`, resolving `'..'` and `'.'` segments. + * Note that resolving these segments does not necessarily mean that all will be eliminated. + * A `'..'` at the top-level will be preserved, and an empty path is canonically `'.'`. + * + * @example Usage + * ```ts + * import { normalize } from "@std/path/posix/normalize"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(normalize("/foo/bar//baz/asdf/quux/.."), "/foo/bar/baz/asdf"); + * assertEquals(normalize(new URL("file:///foo/bar//baz/asdf/quux/..")), "/foo/bar/baz/asdf/"); + * ``` + * + * @example Working with URLs + * + * Note: This function will remove the double slashes from a URL's scheme. + * Hence, do not pass a full URL to this function. Instead, pass the pathname of + * the URL. + * + * ```ts + * import { normalize } from "@std/path/posix/normalize"; + * import { assertEquals } from "@std/assert"; + * + * const url = new URL("https://deno.land"); + * url.pathname = normalize("//std//assert//.//mod.ts"); + * assertEquals(url.href, "https://deno.land/std/assert/mod.ts"); + * + * url.pathname = normalize("std/assert/../async/retry.ts"); + * assertEquals(url.href, "https://deno.land/std/async/retry.ts"); + * ``` + * + * @param path The path to normalize. + * @returns The normalized path. + */ function normalize(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg(path); + const isAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + const trailingSeparator = isPosixPathSeparator(path.charCodeAt(path.length - 1)); + // Normalize the path + path = normalizeString(path, !isAbsolute, "/", isPosixPathSeparator); + if (path.length === 0 && !isAbsolute) path = "."; + if (path.length > 0 && trailingSeparator) path += "/"; + if (isAbsolute) return `/${path}`; + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Join all given a sequence of `paths`,then normalizes the resulting path. + * + * @example Usage + * ```ts + * import { join } from "@std/path/posix/join"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(join("/foo", "bar", "baz/asdf", "quux", ".."), "/foo/bar/baz/asdf"); + * assertEquals(join(new URL("file:///foo"), "bar", "baz/asdf", "quux", ".."), "/foo/bar/baz/asdf"); + * ``` + * + * @example Working with URLs + * ```ts + * import { join } from "@std/path/posix/join"; + * import { assertEquals } from "@std/assert"; + * + * const url = new URL("https://deno.land"); + * url.pathname = join("std", "path", "mod.ts"); + * assertEquals(url.href, "https://deno.land/std/path/mod.ts"); + * + * url.pathname = join("//std", "path/", "/mod.ts"); + * assertEquals(url.href, "https://deno.land/std/path/mod.ts"); + * ``` + * + * @param path The path to join. This can be string or file URL. + * @param paths The paths to join. + * @returns The joined path. + */ function join(path, ...paths) { + if (path === undefined) return "."; + if (path instanceof URL) { + path = fromFileUrl(path); + } + paths = path ? [ + path, + ...paths + ] : paths; + paths.forEach((path)=>assertPath(path)); + const joined = paths.filter((path)=>path.length > 0).join("/"); + return joined === "" ? "." : normalize(joined); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return a `ParsedPath` object of the `path`. + * + * @example Usage + * ```ts + * import { parse } from "@std/path/posix/parse"; + * import { assertEquals } from "@std/assert"; + * + * const path = parse("/home/user/file.txt"); + * assertEquals(path, { + * root: "/", + * dir: "/home/user", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * ``` + * + * @param path The path to parse. + * @returns The parsed path object. + */ function parse(path) { + assertPath(path); + const ret = { + root: "", + dir: "", + base: "", + ext: "", + name: "" + }; + if (path.length === 0) return ret; + const isAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + let start; + if (isAbsolute) { + ret.root = "/"; + start = 1; + } else { + start = 0; + } + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + let i = path.length - 1; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Get non-dir info + for(; i >= start; --i){ + const code = path.charCodeAt(i); + if (isPosixPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + if (end !== -1) { + if (startPart === 0 && isAbsolute) { + ret.base = ret.name = path.slice(1, end); + } else { + ret.base = ret.name = path.slice(startPart, end); + } + } + // Fallback to '/' in case there is no basename + ret.base = ret.base || "/"; + } else { + if (startPart === 0 && isAbsolute) { + ret.name = path.slice(1, startDot); + ret.base = path.slice(1, end); + } else { + ret.name = path.slice(startPart, startDot); + ret.base = path.slice(startPart, end); + } + ret.ext = path.slice(startDot, end); + } + if (startPart > 0) { + ret.dir = stripTrailingSeparators(path.slice(0, startPart - 1), isPosixPathSeparator); + } else if (isAbsolute) ret.dir = "/"; + return ret; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path segments into a `path`. + * + * @example Usage + * ```ts + * import { resolve } from "@std/path/posix/resolve"; + * import { assertEquals } from "@std/assert"; + * + * const path = resolve("/foo", "bar", "baz/asdf", "quux", ".."); + * assertEquals(path, "/foo/bar/baz/asdf"); + * ``` + * + * @param pathSegments The path segments to resolve. + * @returns The resolved path. + */ function resolve(...pathSegments) { + let resolvedPath = ""; + let resolvedAbsolute = false; + for(let i = pathSegments.length - 1; i >= -1 && !resolvedAbsolute; i--){ + let path; + if (i >= 0) path = pathSegments[i]; + else { + // deno-lint-ignore no-explicit-any + const { Deno } = globalThis; + if (typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a relative path without a current working directory (CWD)"); + } + path = Deno.cwd(); + } + assertPath(path); + // Skip empty entries + if (path.length === 0) { + continue; + } + resolvedPath = `${path}/${resolvedPath}`; + resolvedAbsolute = isPosixPathSeparator(path.charCodeAt(0)); + } + // At this point the path should be resolved to a full absolute path, but + // handle relative paths to be safe (might happen when Deno.cwd() fails) + // Normalize the path + resolvedPath = normalizeString(resolvedPath, !resolvedAbsolute, "/", isPosixPathSeparator); + if (resolvedAbsolute) { + if (resolvedPath.length > 0) return `/${resolvedPath}`; + else return "/"; + } else if (resolvedPath.length > 0) return resolvedPath; + else return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArgs(from, to) { + assertPath(from); + assertPath(to); + if (from === to) return ""; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the relative path from `from` to `to` based on current working directory. + * + * If `from` and `to` are the same, return an empty string. + * + * @example Usage + * ```ts + * import { relative } from "@std/path/posix/relative"; + * import { assertEquals } from "@std/assert"; + * + * const path = relative("/data/orandea/test/aaa", "/data/orandea/impl/bbb"); + * assertEquals(path, "../../impl/bbb"); + * ``` + * + * @param from The path to start from. + * @param to The path to reach. + * @returns The relative path. + */ function relative(from, to) { + assertArgs(from, to); + from = resolve(from); + to = resolve(to); + if (from === to) return ""; + // Trim any leading backslashes + let fromStart = 1; + const fromEnd = from.length; + for(; fromStart < fromEnd; ++fromStart){ + if (!isPosixPathSeparator(from.charCodeAt(fromStart))) break; + } + const fromLen = fromEnd - fromStart; + // Trim any leading backslashes + let toStart = 1; + const toEnd = to.length; + for(; toStart < toEnd; ++toStart){ + if (!isPosixPathSeparator(to.charCodeAt(toStart))) break; + } + const toLen = toEnd - toStart; + // Compare paths to find the longest common path from root + const length = fromLen < toLen ? fromLen : toLen; + let lastCommonSep = -1; + let i = 0; + for(; i <= length; ++i){ + if (i === length) { + if (toLen > length) { + if (isPosixPathSeparator(to.charCodeAt(toStart + i))) { + // We get here if `from` is the exact base path for `to`. + // For example: from='/foo/bar'; to='/foo/bar/baz' + return to.slice(toStart + i + 1); + } else if (i === 0) { + // We get here if `from` is the root + // For example: from='/'; to='/foo' + return to.slice(toStart + i); + } + } else if (fromLen > length) { + if (isPosixPathSeparator(from.charCodeAt(fromStart + i))) { + // We get here if `to` is the exact base path for `from`. + // For example: from='/foo/bar/baz'; to='/foo/bar' + lastCommonSep = i; + } else if (i === 0) { + // We get here if `to` is the root. + // For example: from='/foo'; to='/' + lastCommonSep = 0; + } + } + break; + } + const fromCode = from.charCodeAt(fromStart + i); + const toCode = to.charCodeAt(toStart + i); + if (fromCode !== toCode) break; + else if (isPosixPathSeparator(fromCode)) lastCommonSep = i; + } + let out = ""; + // Generate the relative path based on the path difference between `to` + // and `from` + for(i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i){ + if (i === fromEnd || isPosixPathSeparator(from.charCodeAt(i))) { + if (out.length === 0) out += ".."; + else out += "/.."; + } + } + // Lastly, append the rest of the destination (`to`) path that comes after + // the common path parts + if (out.length > 0) return out + to.slice(toStart + lastCommonSep); + else { + toStart += lastCommonSep; + if (isPosixPathSeparator(to.charCodeAt(toStart))) ++toStart; + return to.slice(toStart); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const WHITESPACE_ENCODINGS = { + "\u0009": "%09", + "\u000A": "%0A", + "\u000B": "%0B", + "\u000C": "%0C", + "\u000D": "%0D", + "\u0020": "%20" +}; +function encodeWhitespace(string) { + return string.replaceAll(/[\s]/g, (c)=>{ + return WHITESPACE_ENCODINGS[c] ?? c; + }); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path string to a file URL. + * + * @example Usage + * ```ts + * import { toFileUrl } from "@std/path/posix/to-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toFileUrl("/home/foo"), new URL("file:///home/foo")); + * assertEquals(toFileUrl("/home/foo bar"), new URL("file:///home/foo%20bar")); + * ``` + * + * @param path The path to convert. + * @returns The file URL. + */ function toFileUrl(path) { + if (!isAbsolute(path)) { + throw new TypeError(`Path must be absolute: received "${path}"`); + } + const url = new URL("file:///"); + url.pathname = encodeWhitespace(path.replace(/%/g, "%25").replace(/\\/g, "%5C")); + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path to a namespaced path. This function returns the path as is on posix. + * + * @example Usage + * ```ts + * import { toNamespacedPath } from "@std/path/posix/to-namespaced-path"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toNamespacedPath("/home/foo"), "/home/foo"); + * ``` + * + * @param path The path. + * @returns The namespaced path. + */ function toNamespacedPath(path) { + // Non-op on posix systems + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function common$1(paths, sep) { + const [first = "", ...remaining] = paths; + const parts = first.split(sep); + let endOfPrefix = parts.length; + let append = ""; + for (const path of remaining){ + const compare = path.split(sep); + if (compare.length <= endOfPrefix) { + endOfPrefix = compare.length; + append = ""; + } + for(let i = 0; i < endOfPrefix; i++){ + if (compare[i] !== parts[i]) { + endOfPrefix = i; + append = i === 0 ? "" : sep; + break; + } + } + } + return parts.slice(0, endOfPrefix).join(sep) + append; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** Determines the common path from a set of paths for POSIX systems. + * + * @example Usage + * ```ts + * import { common } from "@std/path/posix/common"; + * import { assertEquals } from "@std/assert"; + * + * const path = common([ + * "./deno/std/path/mod.ts", + * "./deno/std/fs/mod.ts", + * ]); + * assertEquals(path, "./deno/std/"); + * ``` + * + * @param paths The paths to compare. + * @returns The common path. + */ function common(paths) { + return common$1(paths, SEPARATOR); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Options for {@linkcode globToRegExp}, {@linkcode joinGlobs}, + * {@linkcode normalizeGlob} and {@linkcode expandGlob}. + */ const REG_EXP_ESCAPE_CHARS = [ + "!", + "$", + "(", + ")", + "*", + "+", + ".", + "=", + "?", + "[", + "\\", + "^", + "{", + "|" +]; +const RANGE_ESCAPE_CHARS = [ + "-", + "\\", + "]" +]; +function _globToRegExp(c, glob, { extended = true, globstar: globstarOption = true, // os = osType, +caseInsensitive = false } = {}) { + if (glob === "") { + return /(?!)/; + } + // Remove trailing separators. + let newLength = glob.length; + for(; newLength > 1 && c.seps.includes(glob[newLength - 1]); newLength--); + glob = glob.slice(0, newLength); + let regExpString = ""; + // Terminates correctly. Trust that `j` is incremented every iteration. + for(let j = 0; j < glob.length;){ + let segment = ""; + const groupStack = []; + let inRange = false; + let inEscape = false; + let endsWithSep = false; + let i = j; + // Terminates with `i` at the non-inclusive end of the current segment. + for(; i < glob.length && !c.seps.includes(glob[i]); i++){ + if (inEscape) { + inEscape = false; + const escapeChars = inRange ? RANGE_ESCAPE_CHARS : REG_EXP_ESCAPE_CHARS; + segment += escapeChars.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + continue; + } + if (glob[i] === c.escapePrefix) { + inEscape = true; + continue; + } + if (glob[i] === "[") { + if (!inRange) { + inRange = true; + segment += "["; + if (glob[i + 1] === "!") { + i++; + segment += "^"; + } else if (glob[i + 1] === "^") { + i++; + segment += "\\^"; + } + continue; + } else if (glob[i + 1] === ":") { + let k = i + 1; + let value = ""; + while(glob[k + 1] !== undefined && glob[k + 1] !== ":"){ + value += glob[k + 1]; + k++; + } + if (glob[k + 1] === ":" && glob[k + 2] === "]") { + i = k + 2; + if (value === "alnum") segment += "\\dA-Za-z"; + else if (value === "alpha") segment += "A-Za-z"; + else if (value === "ascii") segment += "\x00-\x7F"; + else if (value === "blank") segment += "\t "; + else if (value === "cntrl") segment += "\x00-\x1F\x7F"; + else if (value === "digit") segment += "\\d"; + else if (value === "graph") segment += "\x21-\x7E"; + else if (value === "lower") segment += "a-z"; + else if (value === "print") segment += "\x20-\x7E"; + else if (value === "punct") { + segment += "!\"#$%&'()*+,\\-./:;<=>?@[\\\\\\]^_‘{|}~"; + } else if (value === "space") segment += "\\s\v"; + else if (value === "upper") segment += "A-Z"; + else if (value === "word") segment += "\\w"; + else if (value === "xdigit") segment += "\\dA-Fa-f"; + continue; + } + } + } + if (glob[i] === "]" && inRange) { + inRange = false; + segment += "]"; + continue; + } + if (inRange) { + segment += glob[i]; + continue; + } + if (glob[i] === ")" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += ")"; + const type = groupStack.pop(); + if (type === "!") { + segment += c.wildcard; + } else if (type !== "@") { + segment += type; + } + continue; + } + if (glob[i] === "|" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "+" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("+"); + segment += "(?:"; + continue; + } + if (glob[i] === "@" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("@"); + segment += "(?:"; + continue; + } + if (glob[i] === "?") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("?"); + segment += "(?:"; + } else { + segment += "."; + } + continue; + } + if (glob[i] === "!" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("!"); + segment += "(?!"; + continue; + } + if (glob[i] === "{") { + groupStack.push("BRACE"); + segment += "(?:"; + continue; + } + if (glob[i] === "}" && groupStack[groupStack.length - 1] === "BRACE") { + groupStack.pop(); + segment += ")"; + continue; + } + if (glob[i] === "," && groupStack[groupStack.length - 1] === "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "*") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("*"); + segment += "(?:"; + } else { + const prevChar = glob[i - 1]; + let numStars = 1; + while(glob[i + 1] === "*"){ + i++; + numStars++; + } + const nextChar = glob[i + 1]; + if (globstarOption && numStars === 2 && [ + ...c.seps, + undefined + ].includes(prevChar) && [ + ...c.seps, + undefined + ].includes(nextChar)) { + segment += c.globstar; + endsWithSep = true; + } else { + segment += c.wildcard; + } + } + continue; + } + segment += REG_EXP_ESCAPE_CHARS.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + } + // Check for unclosed groups or a dangling backslash. + if (groupStack.length > 0 || inRange || inEscape) { + // Parse failure. Take all characters from this segment literally. + segment = ""; + for (const c of glob.slice(j, i)){ + segment += REG_EXP_ESCAPE_CHARS.includes(c) ? `\\${c}` : c; + endsWithSep = false; + } + } + regExpString += segment; + if (!endsWithSep) { + regExpString += i < glob.length ? c.sep : c.sepMaybe; + endsWithSep = true; + } + // Terminates with `i` at the start of the next segment. + while(c.seps.includes(glob[i]))i++; + j = i; + } + regExpString = `^${regExpString}$`; + return new RegExp(regExpString, caseInsensitive ? "i" : ""); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const constants = { + sep: "/+", + sepMaybe: "/*", + seps: [ + "/" + ], + globstar: "(?:[^/]*(?:/|$)+)*", + wildcard: "[^/]*", + escapePrefix: "\\" +}; +/** Convert a glob string to a regular expression. + * + * Tries to match bash glob expansion as closely as possible. + * + * Basic glob syntax: + * - `*` - Matches everything without leaving the path segment. + * - `?` - Matches any single character. + * - `{foo,bar}` - Matches `foo` or `bar`. + * - `[abcd]` - Matches `a`, `b`, `c` or `d`. + * - `[a-d]` - Matches `a`, `b`, `c` or `d`. + * - `[!abcd]` - Matches any single character besides `a`, `b`, `c` or `d`. + * - `[[::]]` - Matches any character belonging to ``. + * - `[[:alnum:]]` - Matches any digit or letter. + * - `[[:digit:]abc]` - Matches any digit, `a`, `b` or `c`. + * - See https://facelessuser.github.io/wcmatch/glob/#posix-character-classes + * for a complete list of supported character classes. + * - `\` - Escapes the next character for an `os` other than `"windows"`. + * - \` - Escapes the next character for `os` set to `"windows"`. + * - `/` - Path separator. + * - `\` - Additional path separator only for `os` set to `"windows"`. + * + * Extended syntax: + * - Requires `{ extended: true }`. + * - `?(foo|bar)` - Matches 0 or 1 instance of `{foo,bar}`. + * - `@(foo|bar)` - Matches 1 instance of `{foo,bar}`. They behave the same. + * - `*(foo|bar)` - Matches _n_ instances of `{foo,bar}`. + * - `+(foo|bar)` - Matches _n > 0_ instances of `{foo,bar}`. + * - `!(foo|bar)` - Matches anything other than `{foo,bar}`. + * - See https://www.linuxjournal.com/content/bash-extended-globbing. + * + * Globstar syntax: + * - Requires `{ globstar: true }`. + * - `**` - Matches any number of any path segments. + * - Must comprise its entire path segment in the provided glob. + * - See https://www.linuxjournal.com/content/globstar-new-bash-globbing-option. + * + * Note the following properties: + * - The generated `RegExp` is anchored at both start and end. + * - Repeating and trailing separators are tolerated. Trailing separators in the + * provided glob have no meaning and are discarded. + * - Absolute globs will only match absolute paths, etc. + * - Empty globs will match nothing. + * - Any special glob syntax must be contained to one path segment. For example, + * `?(foo|bar/baz)` is invalid. The separator will take precedence and the + * first segment ends with an unclosed group. + * - If a path segment ends with unclosed groups or a dangling escape prefix, a + * parse error has occurred. Every character for that segment is taken + * literally in this event. + * + * Limitations: + * - A negative group like `!(foo|bar)` will wrongly be converted to a negative + * look-ahead followed by a wildcard. This means that `!(foo).js` will wrongly + * fail to match `foobar.js`, even though `foobar` is not `foo`. Effectively, + * `!(foo|bar)` is treated like `!(@(foo|bar)*)`. This will work correctly if + * the group occurs not nested at the end of the segment. + * + * @example Usage + * ```ts + * import { globToRegExp } from "@std/path/posix/glob-to-regexp"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(globToRegExp("*.js"), /^[^/]*\.js\/*$/); + * ``` + * + * @param glob Glob string to convert. + * @param options Conversion options. + * @returns The regular expression equivalent to the glob. + */ function globToRegExp(glob, options = {}) { + return _globToRegExp(constants, glob, options); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Test whether the given string is a glob. + * + * @example Usage + * ```ts + * import { isGlob } from "@std/path/is-glob"; + * import { assert } from "@std/assert"; + * + * assert(!isGlob("foo/bar/../baz")); + * assert(isGlob("foo/*ar/../baz")); + * ``` + * + * @param str String to test. + * @returns `true` if the given string is a glob, otherwise `false` + */ function isGlob(str) { + const chars = { + "{": "}", + "(": ")", + "[": "]" + }; + const regex = /\\(.)|(^!|\*|\?|[\].+)]\?|\[[^[\\\]]+\]|\{[^{\\}]+\}|\(\?[:!=][^\\)]+\)|\([^(|]+\|[^\\)]+\))/; + if (str === "") { + return false; + } + let match; + while(match = regex.exec(str)){ + if (match[2]) return true; + let idx = match.index + match[0].length; + // if an open bracket/brace/paren is escaped, + // set the index to the next closing character + const open = match[1]; + const close = open ? chars[open] : null; + if (open && close) { + const n = str.indexOf(close, idx); + if (n !== -1) { + idx = n + 1; + } + } + str = str.slice(idx); + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like normalize(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { normalizeGlob } from "@std/path/posix/normalize-glob"; + * import { assertEquals } from "@std/assert"; + * + * const path = normalizeGlob("foo/bar/../*", { globstar: true }); + * assertEquals(path, "foo/*"); + * ``` + * + * @param glob The glob to normalize. + * @param options The options to use. + * @returns The normalized path. + */ function normalizeGlob(glob, options = {}) { + const { globstar = false } = options; + if (glob.match(/\0/g)) { + throw new Error(`Glob contains invalid characters: "${glob}"`); + } + if (!globstar) { + return normalize(glob); + } + const s = SEPARATOR_PATTERN.source; + const badParentPattern = new RegExp(`(?<=(${s}|^)\\*\\*${s})\\.\\.(?=${s}|$)`, "g"); + return normalize(glob.replace(badParentPattern, "\0")).replace(/\0/g, ".."); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like join(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { joinGlobs } from "@std/path/posix/join-globs"; + * import { assertEquals } from "@std/assert"; + * + * const path = joinGlobs(["foo", "bar", "**"], { globstar: true }); + * assertEquals(path, "foo/bar/**"); + * ``` + * + * @param globs The globs to join. + * @param options The options to use. + * @returns The joined path. + */ function joinGlobs(globs, options = {}) { + const { globstar = false } = options; + if (!globstar || globs.length === 0) { + return join(...globs); + } + let joined; + for (const glob of globs){ + const path = glob; + if (path.length > 0) { + if (!joined) joined = path; + else joined += `${SEPARATOR}${path}`; + } + } + if (!joined) return "."; + return normalizeGlob(joined, { + globstar + }); +} + +export { DELIMITER, SEPARATOR, SEPARATOR_PATTERN, basename, common, dirname, extname, format, fromFileUrl, globToRegExp, isAbsolute, isGlob, join, joinGlobs, normalize, normalizeGlob, parse, relative, resolve, toFileUrl, toNamespacedPath }; diff --git a/node_modules/@eslint/config-array/dist/esm/std__path/windows.js b/node_modules/@eslint/config-array/dist/esm/std__path/windows.js new file mode 100644 index 000000000..229987c6c --- /dev/null +++ b/node_modules/@eslint/config-array/dist/esm/std__path/windows.js @@ -0,0 +1,1656 @@ +// @ts-nocheck +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +function assertPath(path) { + if (typeof path !== "string") { + throw new TypeError(`Path must be a string, received "${JSON.stringify(path)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function stripSuffix(name, suffix) { + if (suffix.length >= name.length) { + return name; + } + const lenDiff = name.length - suffix.length; + for(let i = suffix.length - 1; i >= 0; --i){ + if (name.charCodeAt(lenDiff + i) !== suffix.charCodeAt(i)) { + return name; + } + } + return name.slice(0, -suffix.length); +} +function lastPathSegment(path, isSep, start = 0) { + let matchedNonSeparator = false; + let end = path.length; + for(let i = path.length - 1; i >= start; --i){ + if (isSep(path.charCodeAt(i))) { + if (matchedNonSeparator) { + start = i + 1; + break; + } + } else if (!matchedNonSeparator) { + matchedNonSeparator = true; + end = i + 1; + } + } + return path.slice(start, end); +} +function assertArgs$1(path, suffix) { + assertPath(path); + if (path.length === 0) return path; + if (typeof suffix !== "string") { + throw new TypeError(`Suffix must be a string, received "${JSON.stringify(suffix)}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Alphabet chars. +const CHAR_UPPERCASE_A = 65; /* A */ +const CHAR_LOWERCASE_A = 97; /* a */ +const CHAR_UPPERCASE_Z = 90; /* Z */ +const CHAR_LOWERCASE_Z = 122; /* z */ +// Non-alphabetic chars. +const CHAR_DOT = 46; /* . */ +const CHAR_FORWARD_SLASH = 47; /* / */ +const CHAR_BACKWARD_SLASH = 92; /* \ */ +const CHAR_COLON = 58; /* : */ +const CHAR_QUESTION_MARK = 63; /* ? */ + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function stripTrailingSeparators(segment, isSep) { + if (segment.length <= 1) { + return segment; + } + let end = segment.length; + for(let i = segment.length - 1; i > 0; i--){ + if (isSep(segment.charCodeAt(i))) { + end = i; + } else { + break; + } + } + return segment.slice(0, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +function isPosixPathSeparator(code) { + return code === CHAR_FORWARD_SLASH; +} +function isPathSeparator(code) { + return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH; +} +function isWindowsDeviceRoot(code) { + return code >= CHAR_LOWERCASE_A && code <= CHAR_LOWERCASE_Z || code >= CHAR_UPPERCASE_A && code <= CHAR_UPPERCASE_Z; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$3(url) { + url = url instanceof URL ? url : new URL(url); + if (url.protocol !== "file:") { + throw new TypeError(`URL must be a file URL: received "${url.protocol}"`); + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a file URL to a path string. + * + * @example Usage + * ```ts + * import { fromFileUrl } from "@std/path/windows/from-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(fromFileUrl("file:///home/foo"), "\\home\\foo"); + * assertEquals(fromFileUrl("file:///C:/Users/foo"), "C:\\Users\\foo"); + * assertEquals(fromFileUrl("file://localhost/home/foo"), "\\home\\foo"); + * ``` + * + * @param url The file URL to convert. + * @returns The path string. + */ function fromFileUrl(url) { + url = assertArg$3(url); + let path = decodeURIComponent(url.pathname.replace(/\//g, "\\").replace(/%(?![0-9A-Fa-f]{2})/g, "%25")).replace(/^\\*([A-Za-z]:)(\\|$)/, "$1\\"); + if (url.hostname !== "") { + // Note: The `URL` implementation guarantees that the drive letter and + // hostname are mutually exclusive. Otherwise it would not have been valid + // to append the hostname and path like this. + path = `\\\\${url.hostname}${path}`; + } + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the last portion of a `path`. + * Trailing directory separators are ignored, and optional suffix is removed. + * + * @example Usage + * ```ts + * import { basename } from "@std/path/windows/basename"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(basename("C:\\user\\Documents\\"), "Documents"); + * assertEquals(basename("C:\\user\\Documents\\image.png"), "image.png"); + * assertEquals(basename("C:\\user\\Documents\\image.png", ".png"), "image"); + * assertEquals(basename(new URL("file:///C:/user/Documents/image.png")), "image.png"); + * assertEquals(basename(new URL("file:///C:/user/Documents/image.png"), ".png"), "image"); + * ``` + * + * @param path The path to extract the name from. + * @param suffix The suffix to remove from extracted name. + * @returns The extracted name. + */ function basename(path, suffix = "") { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArgs$1(path, suffix); + // Check for a drive letter prefix so as not to mistake the following + // path separator as an extra separator at the end of the path that can be + // disregarded + let start = 0; + if (path.length >= 2) { + const drive = path.charCodeAt(0); + if (isWindowsDeviceRoot(drive)) { + if (path.charCodeAt(1) === CHAR_COLON) start = 2; + } + } + const lastSegment = lastPathSegment(path, isPathSeparator, start); + const strippedSegment = stripTrailingSeparators(lastSegment, isPathSeparator); + return suffix ? stripSuffix(strippedSegment, suffix) : strippedSegment; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * The character used to separate entries in the PATH environment variable. + */ const DELIMITER = ";"; +/** + * The character used to separate components of a file path. + */ const SEPARATOR = "\\"; +/** + * A regular expression that matches one or more path separators. + */ const SEPARATOR_PATTERN = /[\\/]+/; + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg$2(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the directory path of a `path`. + * + * @example Usage + * ```ts + * import { dirname } from "@std/path/windows/dirname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(dirname("C:\\foo\\bar\\baz.ext"), "C:\\foo\\bar"); + * assertEquals(dirname(new URL("file:///C:/foo/bar/baz.ext")), "C:\\foo\\bar"); + * ``` + * + * @param path The path to get the directory from. + * @returns The directory path. + */ function dirname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg$2(path); + const len = path.length; + let rootEnd = -1; + let end = -1; + let matchedSlash = true; + let offset = 0; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + rootEnd = offset = 1; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + return path; + } + if (j !== last) { + // We matched a UNC root with leftovers + // Offset by 1 to include the separator after the UNC root to + // treat it as a "normal root" on top of a (UNC) root + rootEnd = offset = j + 1; + } + } + } + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + rootEnd = offset = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) rootEnd = offset = 3; + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid + // unnecessary work + return path; + } + for(let i = len - 1; i >= offset; --i){ + if (isPathSeparator(path.charCodeAt(i))) { + if (!matchedSlash) { + end = i; + break; + } + } else { + // We saw the first non-path separator + matchedSlash = false; + } + } + if (end === -1) { + if (rootEnd === -1) return "."; + else end = rootEnd; + } + return stripTrailingSeparators(path.slice(0, end), isPosixPathSeparator); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the extension of the `path` with leading period. + * + * @example Usage + * ```ts + * import { extname } from "@std/path/windows/extname"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(extname("file.ts"), ".ts"); + * assertEquals(extname(new URL("file:///C:/foo/bar/baz.ext")), ".ext"); + * ``` + * + * @param path The path to get the extension from. + * @returns The extension of the `path`. + */ function extname(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertPath(path); + let start = 0; + let startDot = -1; + let startPart = 0; + let end = -1; + let matchedSlash = true; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Check for a drive letter prefix so as not to mistake the following + // path separator as an extra separator at the end of the path that can be + // disregarded + if (path.length >= 2 && path.charCodeAt(1) === CHAR_COLON && isWindowsDeviceRoot(path.charCodeAt(0))) { + start = startPart = 2; + } + for(let i = path.length - 1; i >= start; --i){ + const code = path.charCodeAt(i); + if (isPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + return ""; + } + return path.slice(startDot, end); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function _format(sep, pathObject) { + const dir = pathObject.dir || pathObject.root; + const base = pathObject.base || (pathObject.name ?? "") + (pathObject.ext ?? ""); + if (!dir) return base; + if (base === sep) return dir; + if (dir === pathObject.root) return dir + base; + return dir + sep + base; +} +function assertArg$1(pathObject) { + if (pathObject === null || typeof pathObject !== "object") { + throw new TypeError(`The "pathObject" argument must be of type Object, received type "${typeof pathObject}"`); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Generate a path from `ParsedPath` object. + * + * @example Usage + * ```ts + * import { format } from "@std/path/windows/format"; + * import { assertEquals } from "@std/assert"; + * + * const path = format({ + * root: "C:\\", + * dir: "C:\\path\\dir", + * base: "file.txt", + * ext: ".txt", + * name: "file" + * }); + * assertEquals(path, "C:\\path\\dir\\file.txt"); + * ``` + * + * @param pathObject The path object to format. + * @returns The formatted path. + */ function format(pathObject) { + assertArg$1(pathObject); + return _format("\\", pathObject); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Verifies whether provided path is absolute. + * + * @example Usage + * ```ts + * import { isAbsolute } from "@std/path/windows/is-absolute"; + * import { assert, assertFalse } from "@std/assert"; + * + * assert(isAbsolute("C:\\foo\\bar")); + * assertFalse(isAbsolute("..\\baz")); + * ``` + * + * @param path The path to verify. + * @returns `true` if the path is absolute, `false` otherwise. + */ function isAbsolute(path) { + assertPath(path); + const len = path.length; + if (len === 0) return false; + const code = path.charCodeAt(0); + if (isPathSeparator(code)) { + return true; + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (len > 2 && path.charCodeAt(1) === CHAR_COLON) { + if (isPathSeparator(path.charCodeAt(2))) return true; + } + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArg(path) { + assertPath(path); + if (path.length === 0) return "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// Copyright the Browserify authors. MIT License. +// Ported from https://github.com/browserify/path-browserify/ +// This module is browser compatible. +// Resolves . and .. elements in a path with directory names +function normalizeString(path, allowAboveRoot, separator, isPathSeparator) { + let res = ""; + let lastSegmentLength = 0; + let lastSlash = -1; + let dots = 0; + let code; + for(let i = 0; i <= path.length; ++i){ + if (i < path.length) code = path.charCodeAt(i); + else if (isPathSeparator(code)) break; + else code = CHAR_FORWARD_SLASH; + if (isPathSeparator(code)) { + if (lastSlash === i - 1 || dots === 1) ; else if (lastSlash !== i - 1 && dots === 2) { + if (res.length < 2 || lastSegmentLength !== 2 || res.charCodeAt(res.length - 1) !== CHAR_DOT || res.charCodeAt(res.length - 2) !== CHAR_DOT) { + if (res.length > 2) { + const lastSlashIndex = res.lastIndexOf(separator); + if (lastSlashIndex === -1) { + res = ""; + lastSegmentLength = 0; + } else { + res = res.slice(0, lastSlashIndex); + lastSegmentLength = res.length - 1 - res.lastIndexOf(separator); + } + lastSlash = i; + dots = 0; + continue; + } else if (res.length === 2 || res.length === 1) { + res = ""; + lastSegmentLength = 0; + lastSlash = i; + dots = 0; + continue; + } + } + if (allowAboveRoot) { + if (res.length > 0) res += `${separator}..`; + else res = ".."; + lastSegmentLength = 2; + } + } else { + if (res.length > 0) res += separator + path.slice(lastSlash + 1, i); + else res = path.slice(lastSlash + 1, i); + lastSegmentLength = i - lastSlash - 1; + } + lastSlash = i; + dots = 0; + } else if (code === CHAR_DOT && dots !== -1) { + ++dots; + } else { + dots = -1; + } + } + return res; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Normalize the `path`, resolving `'..'` and `'.'` segments. + * Note that resolving these segments does not necessarily mean that all will be eliminated. + * A `'..'` at the top-level will be preserved, and an empty path is canonically `'.'`. + * + * @example Usage + * ```ts + * import { normalize } from "@std/path/windows/normalize"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(normalize("C:\\foo\\..\\bar"), "C:\\bar"); + * assertEquals(normalize(new URL("file:///C:/foo/../bar")), "C:\\bar"); + * ``` + * + * @param path The path to normalize + * @returns The normalized path + */ function normalize(path) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + assertArg(path); + const len = path.length; + let rootEnd = 0; + let device; + let isAbsolute = false; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + // If we started with a separator, we know we at least have an absolute + // path of some kind (UNC or otherwise) + isAbsolute = true; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + const firstPart = path.slice(last, j); + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + // Return the normalized version of the UNC root since there + // is nothing left to process + return `\\\\${firstPart}\\${path.slice(last)}\\`; + } else if (j !== last) { + // We matched a UNC root with leftovers + device = `\\\\${firstPart}\\${path.slice(last, j)}`; + rootEnd = j; + } + } + } + } else { + rootEnd = 1; + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + device = path.slice(0, 2); + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + // Treat separator following drive name as an absolute path + // indicator + isAbsolute = true; + rootEnd = 3; + } + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid unnecessary + // work + return "\\"; + } + let tail; + if (rootEnd < len) { + tail = normalizeString(path.slice(rootEnd), !isAbsolute, "\\", isPathSeparator); + } else { + tail = ""; + } + if (tail.length === 0 && !isAbsolute) tail = "."; + if (tail.length > 0 && isPathSeparator(path.charCodeAt(len - 1))) { + tail += "\\"; + } + if (device === undefined) { + if (isAbsolute) { + if (tail.length > 0) return `\\${tail}`; + else return "\\"; + } + return tail; + } else if (isAbsolute) { + if (tail.length > 0) return `${device}\\${tail}`; + else return `${device}\\`; + } + return device + tail; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Join all given a sequence of `paths`,then normalizes the resulting path. + * + * @example Usage + * ```ts + * import { join } from "@std/path/windows/join"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(join("C:\\foo", "bar", "baz\\.."), "C:\\foo\\bar"); + * assertEquals(join(new URL("file:///C:/foo"), "bar", "baz\\.."), "C:\\foo\\bar"); + * ``` + * + * @param path The path to join. This can be string or file URL. + * @param paths The paths to join. + * @returns The joined path. + */ function join(path, ...paths) { + if (path instanceof URL) { + path = fromFileUrl(path); + } + paths = path ? [ + path, + ...paths + ] : paths; + paths.forEach((path)=>assertPath(path)); + paths = paths.filter((path)=>path.length > 0); + if (paths.length === 0) return "."; + // Make sure that the joined path doesn't start with two slashes, because + // normalize() will mistake it for an UNC path then. + // + // This step is skipped when it is very clear that the user actually + // intended to point at an UNC path. This is assumed when the first + // non-empty string arguments starts with exactly two slashes followed by + // at least one more non-slash character. + // + // Note that for normalize() to treat a path as an UNC path it needs to + // have at least 2 components, so we don't filter for that here. + // This means that the user can use join to construct UNC paths from + // a server name and a share name; for example: + // path.join('//server', 'share') -> '\\\\server\\share\\' + let needsReplace = true; + let slashCount = 0; + const firstPart = paths[0]; + if (isPathSeparator(firstPart.charCodeAt(0))) { + ++slashCount; + const firstLen = firstPart.length; + if (firstLen > 1) { + if (isPathSeparator(firstPart.charCodeAt(1))) { + ++slashCount; + if (firstLen > 2) { + if (isPathSeparator(firstPart.charCodeAt(2))) ++slashCount; + else { + // We matched a UNC path in the first part + needsReplace = false; + } + } + } + } + } + let joined = paths.join("\\"); + if (needsReplace) { + // Find any more consecutive slashes we need to replace + for(; slashCount < joined.length; ++slashCount){ + if (!isPathSeparator(joined.charCodeAt(slashCount))) break; + } + // Replace the slashes if needed + if (slashCount >= 2) joined = `\\${joined.slice(slashCount)}`; + } + return normalize(joined); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return a `ParsedPath` object of the `path`. + * + * @example Usage + * ```ts + * import { parse } from "@std/path/windows/parse"; + * import { assertEquals } from "@std/assert"; + * + * const parsed = parse("C:\\foo\\bar\\baz.ext"); + * assertEquals(parsed, { + * root: "C:\\", + * dir: "C:\\foo\\bar", + * base: "baz.ext", + * ext: ".ext", + * name: "baz", + * }); + * ``` + * + * @param path The path to parse. + * @returns The `ParsedPath` object. + */ function parse(path) { + assertPath(path); + const ret = { + root: "", + dir: "", + base: "", + ext: "", + name: "" + }; + const len = path.length; + if (len === 0) return ret; + let rootEnd = 0; + let code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + rootEnd = 1; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + rootEnd = j; + } else if (j !== last) { + // We matched a UNC root with leftovers + rootEnd = j + 1; + } + } + } + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + if (len === 3) { + // `path` contains just a drive root, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + ret.base = "\\"; + return ret; + } + rootEnd = 3; + } + } else { + // `path` contains just a relative drive root, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + return ret; + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator, exit early to avoid + // unnecessary work + ret.root = ret.dir = path; + ret.base = "\\"; + return ret; + } + if (rootEnd > 0) ret.root = path.slice(0, rootEnd); + let startDot = -1; + let startPart = rootEnd; + let end = -1; + let matchedSlash = true; + let i = path.length - 1; + // Track the state of characters (if any) we see before our first dot and + // after any path separator we find + let preDotState = 0; + // Get non-dir info + for(; i >= rootEnd; --i){ + code = path.charCodeAt(i); + if (isPathSeparator(code)) { + // If we reached a path separator that was not part of a set of path + // separators at the end of the string, stop now + if (!matchedSlash) { + startPart = i + 1; + break; + } + continue; + } + if (end === -1) { + // We saw the first non-path separator, mark this as the end of our + // extension + matchedSlash = false; + end = i + 1; + } + if (code === CHAR_DOT) { + // If this is our first dot, mark it as the start of our extension + if (startDot === -1) startDot = i; + else if (preDotState !== 1) preDotState = 1; + } else if (startDot !== -1) { + // We saw a non-dot and non-path separator before our dot, so we should + // have a good chance at having a non-empty extension + preDotState = -1; + } + } + if (startDot === -1 || end === -1 || // We saw a non-dot character immediately before the dot + preDotState === 0 || // The (right-most) trimmed path component is exactly '..' + preDotState === 1 && startDot === end - 1 && startDot === startPart + 1) { + if (end !== -1) { + ret.base = ret.name = path.slice(startPart, end); + } + } else { + ret.name = path.slice(startPart, startDot); + ret.base = path.slice(startPart, end); + ret.ext = path.slice(startDot, end); + } + // Fallback to '\' in case there is no basename + ret.base = ret.base || "\\"; + // If the directory is the root, use the entire root as the `dir` including + // the trailing slash if any (`C:\abc` -> `C:\`). Otherwise, strip out the + // trailing slash (`C:\abc\def` -> `C:\abc`). + if (startPart > 0 && startPart !== rootEnd) { + ret.dir = path.slice(0, startPart - 1); + } else ret.dir = ret.root; + return ret; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path segments into a `path`. + * + * @example Usage + * ```ts + * import { resolve } from "@std/path/windows/resolve"; + * import { assertEquals } from "@std/assert"; + * + * const resolved = resolve("C:\\foo\\bar", "..\\baz"); + * assertEquals(resolved, "C:\\foo\\baz"); + * ``` + * + * @param pathSegments The path segments to process to path + * @returns The resolved path + */ function resolve(...pathSegments) { + let resolvedDevice = ""; + let resolvedTail = ""; + let resolvedAbsolute = false; + for(let i = pathSegments.length - 1; i >= -1; i--){ + let path; + // deno-lint-ignore no-explicit-any + const { Deno } = globalThis; + if (i >= 0) { + path = pathSegments[i]; + } else if (!resolvedDevice) { + if (typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a drive-letter-less path without a current working directory (CWD)"); + } + path = Deno.cwd(); + } else { + if (typeof Deno?.env?.get !== "function" || typeof Deno?.cwd !== "function") { + throw new TypeError("Resolved a relative path without a current working directory (CWD)"); + } + path = Deno.cwd(); + // Verify that a cwd was found and that it actually points + // to our drive. If not, default to the drive's root. + if (path === undefined || path.slice(0, 3).toLowerCase() !== `${resolvedDevice.toLowerCase()}\\`) { + path = `${resolvedDevice}\\`; + } + } + assertPath(path); + const len = path.length; + // Skip empty entries + if (len === 0) continue; + let rootEnd = 0; + let device = ""; + let isAbsolute = false; + const code = path.charCodeAt(0); + // Try to match a root + if (len > 1) { + if (isPathSeparator(code)) { + // Possible UNC root + // If we started with a separator, we know we at least have an + // absolute path of some kind (UNC or otherwise) + isAbsolute = true; + if (isPathSeparator(path.charCodeAt(1))) { + // Matched double path separator at beginning + let j = 2; + let last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + const firstPart = path.slice(last, j); + // Matched! + last = j; + // Match 1 or more path separators + for(; j < len; ++j){ + if (!isPathSeparator(path.charCodeAt(j))) break; + } + if (j < len && j !== last) { + // Matched! + last = j; + // Match 1 or more non-path separators + for(; j < len; ++j){ + if (isPathSeparator(path.charCodeAt(j))) break; + } + if (j === len) { + // We matched a UNC root only + device = `\\\\${firstPart}\\${path.slice(last)}`; + rootEnd = j; + } else if (j !== last) { + // We matched a UNC root with leftovers + device = `\\\\${firstPart}\\${path.slice(last, j)}`; + rootEnd = j; + } + } + } + } else { + rootEnd = 1; + } + } else if (isWindowsDeviceRoot(code)) { + // Possible device root + if (path.charCodeAt(1) === CHAR_COLON) { + device = path.slice(0, 2); + rootEnd = 2; + if (len > 2) { + if (isPathSeparator(path.charCodeAt(2))) { + // Treat separator following drive name as an absolute path + // indicator + isAbsolute = true; + rootEnd = 3; + } + } + } + } + } else if (isPathSeparator(code)) { + // `path` contains just a path separator + rootEnd = 1; + isAbsolute = true; + } + if (device.length > 0 && resolvedDevice.length > 0 && device.toLowerCase() !== resolvedDevice.toLowerCase()) { + continue; + } + if (resolvedDevice.length === 0 && device.length > 0) { + resolvedDevice = device; + } + if (!resolvedAbsolute) { + resolvedTail = `${path.slice(rootEnd)}\\${resolvedTail}`; + resolvedAbsolute = isAbsolute; + } + if (resolvedAbsolute && resolvedDevice.length > 0) break; + } + // At this point the path should be resolved to a full absolute path, + // but handle relative paths to be safe (might happen when Deno.cwd() + // fails) + // Normalize the tail path + resolvedTail = normalizeString(resolvedTail, !resolvedAbsolute, "\\", isPathSeparator); + return resolvedDevice + (resolvedAbsolute ? "\\" : "") + resolvedTail || "."; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function assertArgs(from, to) { + assertPath(from); + assertPath(to); + if (from === to) return ""; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Return the relative path from `from` to `to` based on current working directory. + * + * An example in windws, for instance: + * from = 'C:\\orandea\\test\\aaa' + * to = 'C:\\orandea\\impl\\bbb' + * The output of the function should be: '..\\..\\impl\\bbb' + * + * @example Usage + * ```ts + * import { relative } from "@std/path/windows/relative"; + * import { assertEquals } from "@std/assert"; + * + * const relativePath = relative("C:\\foobar\\test\\aaa", "C:\\foobar\\impl\\bbb"); + * assertEquals(relativePath, "..\\..\\impl\\bbb"); + * ``` + * + * @param from The path from which to calculate the relative path + * @param to The path to which to calculate the relative path + * @returns The relative path from `from` to `to` + */ function relative(from, to) { + assertArgs(from, to); + const fromOrig = resolve(from); + const toOrig = resolve(to); + if (fromOrig === toOrig) return ""; + from = fromOrig.toLowerCase(); + to = toOrig.toLowerCase(); + if (from === to) return ""; + // Trim any leading backslashes + let fromStart = 0; + let fromEnd = from.length; + for(; fromStart < fromEnd; ++fromStart){ + if (from.charCodeAt(fromStart) !== CHAR_BACKWARD_SLASH) break; + } + // Trim trailing backslashes (applicable to UNC paths only) + for(; fromEnd - 1 > fromStart; --fromEnd){ + if (from.charCodeAt(fromEnd - 1) !== CHAR_BACKWARD_SLASH) break; + } + const fromLen = fromEnd - fromStart; + // Trim any leading backslashes + let toStart = 0; + let toEnd = to.length; + for(; toStart < toEnd; ++toStart){ + if (to.charCodeAt(toStart) !== CHAR_BACKWARD_SLASH) break; + } + // Trim trailing backslashes (applicable to UNC paths only) + for(; toEnd - 1 > toStart; --toEnd){ + if (to.charCodeAt(toEnd - 1) !== CHAR_BACKWARD_SLASH) break; + } + const toLen = toEnd - toStart; + // Compare paths to find the longest common path from root + const length = fromLen < toLen ? fromLen : toLen; + let lastCommonSep = -1; + let i = 0; + for(; i <= length; ++i){ + if (i === length) { + if (toLen > length) { + if (to.charCodeAt(toStart + i) === CHAR_BACKWARD_SLASH) { + // We get here if `from` is the exact base path for `to`. + // For example: from='C:\\foo\\bar'; to='C:\\foo\\bar\\baz' + return toOrig.slice(toStart + i + 1); + } else if (i === 2) { + // We get here if `from` is the device root. + // For example: from='C:\\'; to='C:\\foo' + return toOrig.slice(toStart + i); + } + } + if (fromLen > length) { + if (from.charCodeAt(fromStart + i) === CHAR_BACKWARD_SLASH) { + // We get here if `to` is the exact base path for `from`. + // For example: from='C:\\foo\\bar'; to='C:\\foo' + lastCommonSep = i; + } else if (i === 2) { + // We get here if `to` is the device root. + // For example: from='C:\\foo\\bar'; to='C:\\' + lastCommonSep = 3; + } + } + break; + } + const fromCode = from.charCodeAt(fromStart + i); + const toCode = to.charCodeAt(toStart + i); + if (fromCode !== toCode) break; + else if (fromCode === CHAR_BACKWARD_SLASH) lastCommonSep = i; + } + // We found a mismatch before the first common path separator was seen, so + // return the original `to`. + if (i !== length && lastCommonSep === -1) { + return toOrig; + } + let out = ""; + if (lastCommonSep === -1) lastCommonSep = 0; + // Generate the relative path based on the path difference between `to` and + // `from` + for(i = fromStart + lastCommonSep + 1; i <= fromEnd; ++i){ + if (i === fromEnd || from.charCodeAt(i) === CHAR_BACKWARD_SLASH) { + if (out.length === 0) out += ".."; + else out += "\\.."; + } + } + // Lastly, append the rest of the destination (`to`) path that comes after + // the common path parts + if (out.length > 0) { + return out + toOrig.slice(toStart + lastCommonSep, toEnd); + } else { + toStart += lastCommonSep; + if (toOrig.charCodeAt(toStart) === CHAR_BACKWARD_SLASH) ++toStart; + return toOrig.slice(toStart, toEnd); + } +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const WHITESPACE_ENCODINGS = { + "\u0009": "%09", + "\u000A": "%0A", + "\u000B": "%0B", + "\u000C": "%0C", + "\u000D": "%0D", + "\u0020": "%20" +}; +function encodeWhitespace(string) { + return string.replaceAll(/[\s]/g, (c)=>{ + return WHITESPACE_ENCODINGS[c] ?? c; + }); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Converts a path string to a file URL. + * + * @example Usage + * ```ts + * import { toFileUrl } from "@std/path/windows/to-file-url"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(toFileUrl("\\home\\foo"), new URL("file:///home/foo")); + * assertEquals(toFileUrl("C:\\Users\\foo"), new URL("file:///C:/Users/foo")); + * assertEquals(toFileUrl("\\\\127.0.0.1\\home\\foo"), new URL("file://127.0.0.1/home/foo")); + * ``` + * @param path The path to convert. + * @returns The file URL. + */ function toFileUrl(path) { + if (!isAbsolute(path)) { + throw new TypeError(`Path must be absolute: received "${path}"`); + } + const [, hostname, pathname] = path.match(/^(?:[/\\]{2}([^/\\]+)(?=[/\\](?:[^/\\]|$)))?(.*)/); + const url = new URL("file:///"); + url.pathname = encodeWhitespace(pathname.replace(/%/g, "%25")); + if (hostname !== undefined && hostname !== "localhost") { + url.hostname = hostname; + if (!url.hostname) { + throw new TypeError(`Invalid hostname: "${url.hostname}"`); + } + } + return url; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Resolves path to a namespace path + * + * @example Usage + * ```ts + * import { toNamespacedPath } from "@std/path/windows/to-namespaced-path"; + * import { assertEquals } from "@std/assert"; + * + * const namespaced = toNamespacedPath("C:\\foo\\bar"); + * assertEquals(namespaced, "\\\\?\\C:\\foo\\bar"); + * ``` + * + * @param path The path to resolve to namespaced path + * @returns The resolved namespaced path + */ function toNamespacedPath(path) { + // Note: this will *probably* throw somewhere. + if (typeof path !== "string") return path; + if (path.length === 0) return ""; + const resolvedPath = resolve(path); + if (resolvedPath.length >= 3) { + if (resolvedPath.charCodeAt(0) === CHAR_BACKWARD_SLASH) { + // Possible UNC root + if (resolvedPath.charCodeAt(1) === CHAR_BACKWARD_SLASH) { + const code = resolvedPath.charCodeAt(2); + if (code !== CHAR_QUESTION_MARK && code !== CHAR_DOT) { + // Matched non-long UNC root, convert the path to a long UNC path + return `\\\\?\\UNC\\${resolvedPath.slice(2)}`; + } + } + } else if (isWindowsDeviceRoot(resolvedPath.charCodeAt(0))) { + // Possible device root + if (resolvedPath.charCodeAt(1) === CHAR_COLON && resolvedPath.charCodeAt(2) === CHAR_BACKWARD_SLASH) { + // Matched device root, convert the path to a long UNC path + return `\\\\?\\${resolvedPath}`; + } + } + } + return path; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +function common$1(paths, sep) { + const [first = "", ...remaining] = paths; + const parts = first.split(sep); + let endOfPrefix = parts.length; + let append = ""; + for (const path of remaining){ + const compare = path.split(sep); + if (compare.length <= endOfPrefix) { + endOfPrefix = compare.length; + append = ""; + } + for(let i = 0; i < endOfPrefix; i++){ + if (compare[i] !== parts[i]) { + endOfPrefix = i; + append = i === 0 ? "" : sep; + break; + } + } + } + return parts.slice(0, endOfPrefix).join(sep) + append; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Determines the common path from a set of paths for Windows systems. + * + * @example Usage + * ```ts + * import { common } from "@std/path/windows/common"; + * import { assertEquals } from "@std/assert"; + * + * const path = common([ + * "C:\\foo\\bar", + * "C:\\foo\\baz", + * ]); + * assertEquals(path, "C:\\foo\\"); + * ``` + * + * @param paths The paths to compare. + * @returns The common path. + */ function common(paths) { + return common$1(paths, SEPARATOR); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Options for {@linkcode globToRegExp}, {@linkcode joinGlobs}, + * {@linkcode normalizeGlob} and {@linkcode expandGlob}. + */ const REG_EXP_ESCAPE_CHARS = [ + "!", + "$", + "(", + ")", + "*", + "+", + ".", + "=", + "?", + "[", + "\\", + "^", + "{", + "|" +]; +const RANGE_ESCAPE_CHARS = [ + "-", + "\\", + "]" +]; +function _globToRegExp(c, glob, { extended = true, globstar: globstarOption = true, // os = osType, +caseInsensitive = false } = {}) { + if (glob === "") { + return /(?!)/; + } + // Remove trailing separators. + let newLength = glob.length; + for(; newLength > 1 && c.seps.includes(glob[newLength - 1]); newLength--); + glob = glob.slice(0, newLength); + let regExpString = ""; + // Terminates correctly. Trust that `j` is incremented every iteration. + for(let j = 0; j < glob.length;){ + let segment = ""; + const groupStack = []; + let inRange = false; + let inEscape = false; + let endsWithSep = false; + let i = j; + // Terminates with `i` at the non-inclusive end of the current segment. + for(; i < glob.length && !c.seps.includes(glob[i]); i++){ + if (inEscape) { + inEscape = false; + const escapeChars = inRange ? RANGE_ESCAPE_CHARS : REG_EXP_ESCAPE_CHARS; + segment += escapeChars.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + continue; + } + if (glob[i] === c.escapePrefix) { + inEscape = true; + continue; + } + if (glob[i] === "[") { + if (!inRange) { + inRange = true; + segment += "["; + if (glob[i + 1] === "!") { + i++; + segment += "^"; + } else if (glob[i + 1] === "^") { + i++; + segment += "\\^"; + } + continue; + } else if (glob[i + 1] === ":") { + let k = i + 1; + let value = ""; + while(glob[k + 1] !== undefined && glob[k + 1] !== ":"){ + value += glob[k + 1]; + k++; + } + if (glob[k + 1] === ":" && glob[k + 2] === "]") { + i = k + 2; + if (value === "alnum") segment += "\\dA-Za-z"; + else if (value === "alpha") segment += "A-Za-z"; + else if (value === "ascii") segment += "\x00-\x7F"; + else if (value === "blank") segment += "\t "; + else if (value === "cntrl") segment += "\x00-\x1F\x7F"; + else if (value === "digit") segment += "\\d"; + else if (value === "graph") segment += "\x21-\x7E"; + else if (value === "lower") segment += "a-z"; + else if (value === "print") segment += "\x20-\x7E"; + else if (value === "punct") { + segment += "!\"#$%&'()*+,\\-./:;<=>?@[\\\\\\]^_‘{|}~"; + } else if (value === "space") segment += "\\s\v"; + else if (value === "upper") segment += "A-Z"; + else if (value === "word") segment += "\\w"; + else if (value === "xdigit") segment += "\\dA-Fa-f"; + continue; + } + } + } + if (glob[i] === "]" && inRange) { + inRange = false; + segment += "]"; + continue; + } + if (inRange) { + segment += glob[i]; + continue; + } + if (glob[i] === ")" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += ")"; + const type = groupStack.pop(); + if (type === "!") { + segment += c.wildcard; + } else if (type !== "@") { + segment += type; + } + continue; + } + if (glob[i] === "|" && groupStack.length > 0 && groupStack[groupStack.length - 1] !== "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "+" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("+"); + segment += "(?:"; + continue; + } + if (glob[i] === "@" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("@"); + segment += "(?:"; + continue; + } + if (glob[i] === "?") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("?"); + segment += "(?:"; + } else { + segment += "."; + } + continue; + } + if (glob[i] === "!" && extended && glob[i + 1] === "(") { + i++; + groupStack.push("!"); + segment += "(?!"; + continue; + } + if (glob[i] === "{") { + groupStack.push("BRACE"); + segment += "(?:"; + continue; + } + if (glob[i] === "}" && groupStack[groupStack.length - 1] === "BRACE") { + groupStack.pop(); + segment += ")"; + continue; + } + if (glob[i] === "," && groupStack[groupStack.length - 1] === "BRACE") { + segment += "|"; + continue; + } + if (glob[i] === "*") { + if (extended && glob[i + 1] === "(") { + i++; + groupStack.push("*"); + segment += "(?:"; + } else { + const prevChar = glob[i - 1]; + let numStars = 1; + while(glob[i + 1] === "*"){ + i++; + numStars++; + } + const nextChar = glob[i + 1]; + if (globstarOption && numStars === 2 && [ + ...c.seps, + undefined + ].includes(prevChar) && [ + ...c.seps, + undefined + ].includes(nextChar)) { + segment += c.globstar; + endsWithSep = true; + } else { + segment += c.wildcard; + } + } + continue; + } + segment += REG_EXP_ESCAPE_CHARS.includes(glob[i]) ? `\\${glob[i]}` : glob[i]; + } + // Check for unclosed groups or a dangling backslash. + if (groupStack.length > 0 || inRange || inEscape) { + // Parse failure. Take all characters from this segment literally. + segment = ""; + for (const c of glob.slice(j, i)){ + segment += REG_EXP_ESCAPE_CHARS.includes(c) ? `\\${c}` : c; + endsWithSep = false; + } + } + regExpString += segment; + if (!endsWithSep) { + regExpString += i < glob.length ? c.sep : c.sepMaybe; + endsWithSep = true; + } + // Terminates with `i` at the start of the next segment. + while(c.seps.includes(glob[i]))i++; + j = i; + } + regExpString = `^${regExpString}$`; + return new RegExp(regExpString, caseInsensitive ? "i" : ""); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +const constants = { + sep: "(?:\\\\|/)+", + sepMaybe: "(?:\\\\|/)*", + seps: [ + "\\", + "/" + ], + globstar: "(?:[^\\\\/]*(?:\\\\|/|$)+)*", + wildcard: "[^\\\\/]*", + escapePrefix: "`" +}; +/** Convert a glob string to a regular expression. + * + * Tries to match bash glob expansion as closely as possible. + * + * Basic glob syntax: + * - `*` - Matches everything without leaving the path segment. + * - `?` - Matches any single character. + * - `{foo,bar}` - Matches `foo` or `bar`. + * - `[abcd]` - Matches `a`, `b`, `c` or `d`. + * - `[a-d]` - Matches `a`, `b`, `c` or `d`. + * - `[!abcd]` - Matches any single character besides `a`, `b`, `c` or `d`. + * - `[[::]]` - Matches any character belonging to ``. + * - `[[:alnum:]]` - Matches any digit or letter. + * - `[[:digit:]abc]` - Matches any digit, `a`, `b` or `c`. + * - See https://facelessuser.github.io/wcmatch/glob/#posix-character-classes + * for a complete list of supported character classes. + * - `\` - Escapes the next character for an `os` other than `"windows"`. + * - \` - Escapes the next character for `os` set to `"windows"`. + * - `/` - Path separator. + * - `\` - Additional path separator only for `os` set to `"windows"`. + * + * Extended syntax: + * - Requires `{ extended: true }`. + * - `?(foo|bar)` - Matches 0 or 1 instance of `{foo,bar}`. + * - `@(foo|bar)` - Matches 1 instance of `{foo,bar}`. They behave the same. + * - `*(foo|bar)` - Matches _n_ instances of `{foo,bar}`. + * - `+(foo|bar)` - Matches _n > 0_ instances of `{foo,bar}`. + * - `!(foo|bar)` - Matches anything other than `{foo,bar}`. + * - See https://www.linuxjournal.com/content/bash-extended-globbing. + * + * Globstar syntax: + * - Requires `{ globstar: true }`. + * - `**` - Matches any number of any path segments. + * - Must comprise its entire path segment in the provided glob. + * - See https://www.linuxjournal.com/content/globstar-new-bash-globbing-option. + * + * Note the following properties: + * - The generated `RegExp` is anchored at both start and end. + * - Repeating and trailing separators are tolerated. Trailing separators in the + * provided glob have no meaning and are discarded. + * - Absolute globs will only match absolute paths, etc. + * - Empty globs will match nothing. + * - Any special glob syntax must be contained to one path segment. For example, + * `?(foo|bar/baz)` is invalid. The separator will take precedence and the + * first segment ends with an unclosed group. + * - If a path segment ends with unclosed groups or a dangling escape prefix, a + * parse error has occurred. Every character for that segment is taken + * literally in this event. + * + * Limitations: + * - A negative group like `!(foo|bar)` will wrongly be converted to a negative + * look-ahead followed by a wildcard. This means that `!(foo).js` will wrongly + * fail to match `foobar.js`, even though `foobar` is not `foo`. Effectively, + * `!(foo|bar)` is treated like `!(@(foo|bar)*)`. This will work correctly if + * the group occurs not nested at the end of the segment. + * + * @example Usage + * ```ts + * import { globToRegExp } from "@std/path/windows/glob-to-regexp"; + * import { assertEquals } from "@std/assert"; + * + * assertEquals(globToRegExp("*.js"), /^[^\\/]*\.js(?:\\|\/)*$/); + * ``` + * + * @param glob Glob string to convert. + * @param options Conversion options. + * @returns The regular expression equivalent to the glob. + */ function globToRegExp(glob, options = {}) { + return _globToRegExp(constants, glob, options); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Test whether the given string is a glob. + * + * @example Usage + * ```ts + * import { isGlob } from "@std/path/is-glob"; + * import { assert } from "@std/assert"; + * + * assert(!isGlob("foo/bar/../baz")); + * assert(isGlob("foo/*ar/../baz")); + * ``` + * + * @param str String to test. + * @returns `true` if the given string is a glob, otherwise `false` + */ function isGlob(str) { + const chars = { + "{": "}", + "(": ")", + "[": "]" + }; + const regex = /\\(.)|(^!|\*|\?|[\].+)]\?|\[[^[\\\]]+\]|\{[^{\\}]+\}|\(\?[:!=][^\\)]+\)|\([^(|]+\|[^\\)]+\))/; + if (str === "") { + return false; + } + let match; + while(match = regex.exec(str)){ + if (match[2]) return true; + let idx = match.index + match[0].length; + // if an open bracket/brace/paren is escaped, + // set the index to the next closing character + const open = match[1]; + const close = open ? chars[open] : null; + if (open && close) { + const n = str.indexOf(close, idx); + if (n !== -1) { + idx = n + 1; + } + } + str = str.slice(idx); + } + return false; +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like normalize(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * ```ts + * import { normalizeGlob } from "@std/path/windows/normalize-glob"; + * import { assertEquals } from "@std/assert"; + * + * const normalized = normalizeGlob("**\\foo\\..\\bar", { globstar: true }); + * assertEquals(normalized, "**\\bar"); + * ``` + * + * @param glob The glob pattern to normalize. + * @param options The options for glob pattern. + * @returns The normalized glob pattern. + */ function normalizeGlob(glob, options = {}) { + const { globstar = false } = options; + if (glob.match(/\0/g)) { + throw new Error(`Glob contains invalid characters: "${glob}"`); + } + if (!globstar) { + return normalize(glob); + } + const s = SEPARATOR_PATTERN.source; + const badParentPattern = new RegExp(`(?<=(${s}|^)\\*\\*${s})\\.\\.(?=${s}|$)`, "g"); + return normalize(glob.replace(badParentPattern, "\0")).replace(/\0/g, ".."); +} + +// Copyright 2018-2025 the Deno authors. MIT license. +// This module is browser compatible. +/** + * Like join(), but doesn't collapse "**\/.." when `globstar` is true. + * + * @example Usage + * + * ```ts + * import { joinGlobs } from "@std/path/windows/join-globs"; + * import { assertEquals } from "@std/assert"; + * + * const joined = joinGlobs(["foo", "**", "bar"], { globstar: true }); + * assertEquals(joined, "foo\\**\\bar"); + * ``` + * + * @param globs The globs to join. + * @param options The options for glob pattern. + * @returns The joined glob pattern. + */ function joinGlobs(globs, options = {}) { + const { globstar = false } = options; + if (!globstar || globs.length === 0) { + return join(...globs); + } + let joined; + for (const glob of globs){ + const path = glob; + if (path.length > 0) { + if (!joined) joined = path; + else joined += `${SEPARATOR}${path}`; + } + } + if (!joined) return "."; + return normalizeGlob(joined, { + globstar + }); +} + +export { DELIMITER, SEPARATOR, SEPARATOR_PATTERN, basename, common, dirname, extname, format, fromFileUrl, globToRegExp, isAbsolute, isGlob, join, joinGlobs, normalize, normalizeGlob, parse, relative, resolve, toFileUrl, toNamespacedPath }; diff --git a/node_modules/@eslint/config-array/dist/esm/types.d.ts b/node_modules/@eslint/config-array/dist/esm/types.d.ts new file mode 100644 index 000000000..65934c88c --- /dev/null +++ b/node_modules/@eslint/config-array/dist/esm/types.d.ts @@ -0,0 +1,23 @@ +/** + * @fileoverview Types for the config-array package. + * @author Nicholas C. Zakas + */ +export interface ConfigObject { + /** + * The base path for files and ignores. + */ + basePath?: string; + /** + * The files to include. + */ + files?: string[]; + /** + * The files to exclude. + */ + ignores?: string[]; + /** + * The name of the config object. + */ + name?: string; + [key: string]: unknown; +} diff --git a/node_modules/@eslint/config-array/dist/esm/types.ts b/node_modules/@eslint/config-array/dist/esm/types.ts new file mode 100644 index 000000000..eea2e47f3 --- /dev/null +++ b/node_modules/@eslint/config-array/dist/esm/types.ts @@ -0,0 +1,29 @@ +/** + * @fileoverview Types for the config-array package. + * @author Nicholas C. Zakas + */ + +export interface ConfigObject { + /** + * The base path for files and ignores. + */ + basePath?: string; + + /** + * The files to include. + */ + files?: string[]; + + /** + * The files to exclude. + */ + ignores?: string[]; + + /** + * The name of the config object. + */ + name?: string; + + // may also have any number of other properties + [key: string]: unknown; +} diff --git a/node_modules/@eslint/config-array/package.json b/node_modules/@eslint/config-array/package.json new file mode 100644 index 000000000..af492d890 --- /dev/null +++ b/node_modules/@eslint/config-array/package.json @@ -0,0 +1,64 @@ +{ + "name": "@eslint/config-array", + "version": "0.21.1", + "description": "General purpose glob-based configuration matching.", + "author": "Nicholas C. Zakas", + "type": "module", + "main": "dist/esm/index.js", + "types": "dist/esm/index.d.ts", + "exports": { + "require": { + "types": "./dist/cjs/index.d.cts", + "default": "./dist/cjs/index.cjs" + }, + "import": { + "types": "./dist/esm/index.d.ts", + "default": "./dist/esm/index.js" + } + }, + "files": [ + "dist" + ], + "publishConfig": { + "access": "public" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/eslint/rewrite.git", + "directory": "packages/config-array" + }, + "bugs": { + "url": "https://github.com/eslint/rewrite/issues" + }, + "homepage": "https://github.com/eslint/rewrite/tree/main/packages/config-array#readme", + "scripts": { + "build:dedupe-types": "node ../../tools/dedupe-types.js dist/cjs/index.cjs dist/esm/index.js", + "build:cts": "node ../../tools/build-cts.js dist/esm/index.d.ts dist/cjs/index.d.cts", + "build:std__path": "rollup -c rollup.std__path-config.js && node fix-std__path-imports", + "build": "rollup -c && npm run build:dedupe-types && tsc -p tsconfig.esm.json && npm run build:cts && npm run build:std__path", + "pretest": "npm run build", + "test": "mocha \"tests/**/*.test.js\"", + "test:coverage": "c8 npm test", + "test:jsr": "npx jsr@latest publish --dry-run", + "test:types": "tsc -p tests/types/tsconfig.json" + }, + "keywords": [ + "configuration", + "configarray", + "config file" + ], + "license": "Apache-2.0", + "dependencies": { + "@eslint/object-schema": "^2.1.7", + "debug": "^4.3.1", + "minimatch": "^3.1.2" + }, + "devDependencies": { + "@jsr/std__path": "^1.0.4", + "@types/minimatch": "^3.0.5", + "rollup-plugin-copy": "^3.5.0" + }, + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + } +} diff --git a/node_modules/@eslint/config-helpers/LICENSE b/node_modules/@eslint/config-helpers/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/node_modules/@eslint/config-helpers/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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Here's an example: + +```js +// eslint.config.js +import { defineConfig } from "@eslint/config-helpers"; +import js from "@eslint/js"; + +export default defineConfig([ + { + files: ["src/**/*.js"], + plugins: { js }, + extends: ["js/recommended"], + rules: { + semi: "error", + "prefer-const": "error", + }, + }, + { + files: ["test/**/*.js"], + rules: { + "no-console": "off", + }, + }, +]); +``` + +### `globalIgnores()` + +The `globalIgnores()` function allows you to specify patterns for files and directories that should be globally ignored by ESLint. This is useful for excluding files that you don't want to lint, such as build directories or third-party libraries. Here's an example: + +```js +// eslint.config.js +import { defineConfig, globalIgnores } from "@eslint/config-helpers"; + +export default defineConfig([ + { + files: ["src/**/*.js"], + rules: { + semi: "error", + "prefer-const": "error", + }, + }, + globalIgnores(["node_modules/", "dist/", "coverage/"]), +]); +``` + +## License + +Apache 2.0 + + + + +## Sponsors + +The following companies, organizations, and individuals support ESLint's ongoing maintenance and development. [Become a Sponsor](https://eslint.org/donate) +to get your logo on our READMEs and [website](https://eslint.org/sponsors). + +

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+ diff --git a/node_modules/@eslint/config-helpers/dist/cjs/index.cjs b/node_modules/@eslint/config-helpers/dist/cjs/index.cjs new file mode 100644 index 000000000..d7b248907 --- /dev/null +++ b/node_modules/@eslint/config-helpers/dist/cjs/index.cjs @@ -0,0 +1,588 @@ +'use strict'; + +/** + * @fileoverview defineConfig helper + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + +/** @import * as $eslintcore from "@eslint/core"; */ +/** @typedef {$eslintcore.ConfigObject} Config */ +/** @typedef {$eslintcore.LegacyConfigObject} LegacyConfig */ +/** @typedef {$eslintcore.Plugin} Plugin */ +/** @typedef {$eslintcore.RuleConfig} RuleConfig */ +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.ExtendsElement} ExtendsElement */ +/** @typedef {$typests.SimpleExtendsElement} SimpleExtendsElement */ +/** @typedef {$typests.ConfigWithExtends} ConfigWithExtends */ +/** @typedef {$typests.InfiniteArray} InfiniteConfigArray */ +/** @typedef {$typests.ConfigWithExtendsArray} ConfigWithExtendsArray */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const eslintrcKeys = [ + "env", + "extends", + "globals", + "ignorePatterns", + "noInlineConfig", + "overrides", + "parser", + "parserOptions", + "reportUnusedDisableDirectives", + "root", +]; + +const allowedGlobalIgnoreKeys = new Set(["basePath", "ignores", "name"]); + +/** + * Gets the name of a config object. + * @param {Config} config The config object. + * @param {string} indexPath The index path of the config object. + * @return {string} The name of the config object. + */ +function getConfigName(config, indexPath) { + if (config.name) { + return config.name; + } + + return `UserConfig${indexPath}`; +} + +/** + * Gets the name of an extension. + * @param {SimpleExtendsElement} extension The extension. + * @param {string} indexPath The index of the extension. + * @return {string} The name of the extension. + */ +function getExtensionName(extension, indexPath) { + if (typeof extension === "string") { + return extension; + } + + if (extension.name) { + return extension.name; + } + + return `ExtendedConfig${indexPath}`; +} + +/** + * Determines if a config object is a legacy config. + * @param {Config|LegacyConfig} config The config object to check. + * @return {config is LegacyConfig} `true` if the config object is a legacy config. + */ +function isLegacyConfig(config) { + // eslintrc's plugins must be an array; while flat config's must be an object. + if (Array.isArray(config.plugins)) { + return true; + } + + for (const key of eslintrcKeys) { + if (key in config) { + return true; + } + } + + return false; +} + +/** + * Determines if a config object is a global ignores config. + * @param {Config} config The config object to check. + * @return {boolean} `true` if the config object is a global ignores config. + */ +function isGlobalIgnores(config) { + return Object.keys(config).every(key => allowedGlobalIgnoreKeys.has(key)); +} + +/** + * Parses a plugin member ID (rule, processor, etc.) and returns + * the namespace and member name. + * @param {string} id The ID to parse. + * @returns {{namespace:string, name:string}} The namespace and member name. + */ +function getPluginMember(id) { + const firstSlashIndex = id.indexOf("/"); + + if (firstSlashIndex === -1) { + return { namespace: "", name: id }; + } + + let namespace = id.slice(0, firstSlashIndex); + + /* + * Special cases: + * 1. The namespace is `@`, that means it's referring to the + * core plugin so `@` is the full namespace. + * 2. The namespace starts with `@`, that means it's referring to + * an npm scoped package. That means the namespace is the scope + * and the package name (i.e., `@eslint/core`). + */ + if (namespace[0] === "@" && namespace !== "@") { + const secondSlashIndex = id.indexOf("/", firstSlashIndex + 1); + if (secondSlashIndex !== -1) { + namespace = id.slice(0, secondSlashIndex); + return { namespace, name: id.slice(secondSlashIndex + 1) }; + } + } + + const name = id.slice(firstSlashIndex + 1); + + return { namespace, name }; +} + +/** + * Normalizes the plugin config by replacing the namespace with the plugin namespace. + * @param {string} userNamespace The namespace of the plugin. + * @param {Plugin} plugin The plugin config object. + * @param {Config} config The config object to normalize. + * @return {Config} The normalized config object. + */ +function normalizePluginConfig(userNamespace, plugin, config) { + const pluginNamespace = plugin.meta?.namespace; + + // don't do anything if the plugin doesn't have a namespace or rules + if ( + !pluginNamespace || + pluginNamespace === userNamespace || + (!config.rules && !config.processor && !config.language) + ) { + return config; + } + + const result = { ...config }; + + // update the rules + if (result.rules) { + const ruleIds = Object.keys(result.rules); + + /** @type {Record} */ + const newRules = {}; + + for (let i = 0; i < ruleIds.length; i++) { + const ruleId = ruleIds[i]; + const { namespace: ruleNamespace, name: ruleName } = + getPluginMember(ruleId); + + if (ruleNamespace === pluginNamespace) { + newRules[`${userNamespace}/${ruleName}`] = result.rules[ruleId]; + } else { + newRules[ruleId] = result.rules[ruleId]; + } + } + + result.rules = newRules; + } + + // update the processor + + if (typeof result.processor === "string") { + const { namespace: processorNamespace, name: processorName } = + getPluginMember(result.processor); + + if (processorNamespace) { + if (processorNamespace === pluginNamespace) { + result.processor = `${userNamespace}/${processorName}`; + } + } + } + + // update the language + if (typeof result.language === "string") { + const { namespace: languageNamespace, name: languageName } = + getPluginMember(result.language); + + if (languageNamespace === pluginNamespace) { + result.language = `${userNamespace}/${languageName}`; + } + } + + return result; +} + +/** + * Deeply normalizes a plugin config, traversing recursively into an arrays. + * @param {string} userPluginNamespace The namespace of the plugin. + * @param {Plugin} plugin The plugin object. + * @param {Config|LegacyConfig|(Config|LegacyConfig)[]} pluginConfig The plugin config to normalize. + * @param {string} pluginConfigName The name of the plugin config. + * @return {InfiniteConfigArray} The normalized plugin config. + * @throws {TypeError} If the plugin config is a legacy config. + */ +function deepNormalizePluginConfig( + userPluginNamespace, + plugin, + pluginConfig, + pluginConfigName, +) { + // if it's an array then it's definitely a new config + if (Array.isArray(pluginConfig)) { + return pluginConfig.map(pluginSubConfig => + deepNormalizePluginConfig( + userPluginNamespace, + plugin, + pluginSubConfig, + pluginConfigName, + ), + ); + } + + // if it's a legacy config, throw an error + if (isLegacyConfig(pluginConfig)) { + throw new TypeError( + `Plugin config "${pluginConfigName}" is an eslintrc config and cannot be used in this context.`, + ); + } + + return normalizePluginConfig(userPluginNamespace, plugin, pluginConfig); +} + +/** + * Finds a plugin config by name in the given config. + * @param {Config} config The config object. + * @param {string} pluginConfigName The name of the plugin config. + * @return {InfiniteConfigArray} The plugin config. + * @throws {TypeError} If the plugin config is not found or is a legacy config. + */ +function findPluginConfig(config, pluginConfigName) { + const { namespace: userPluginNamespace, name: configName } = + getPluginMember(pluginConfigName); + const plugin = config.plugins?.[userPluginNamespace]; + + if (!plugin) { + throw new TypeError(`Plugin "${userPluginNamespace}" not found.`); + } + + const directConfig = plugin.configs?.[configName]; + + // Prefer direct config, but fall back to flat config if available + if (directConfig) { + // Arrays are always flat configs, and non-legacy configs can be used directly + if (Array.isArray(directConfig) || !isLegacyConfig(directConfig)) { + return deepNormalizePluginConfig( + userPluginNamespace, + plugin, + directConfig, + pluginConfigName, + ); + } + } + + // If it's a legacy config, or the config does not exist => look for the flat version + const flatConfig = plugin.configs?.[`flat/${configName}`]; + if ( + flatConfig && + (Array.isArray(flatConfig) || !isLegacyConfig(flatConfig)) + ) { + return deepNormalizePluginConfig( + userPluginNamespace, + plugin, + flatConfig, + pluginConfigName, + ); + } + + // If we get here, then the config was either not found or is a legacy config + const message = + directConfig || flatConfig + ? `Plugin config "${configName}" in plugin "${userPluginNamespace}" is an eslintrc config and cannot be used in this context.` + : `Plugin config "${configName}" not found in plugin "${userPluginNamespace}".`; + throw new TypeError(message); +} + +/** + * Flattens an array while keeping track of the index path. + * @param {any[]} configList The array to traverse. + * @param {string} indexPath The index path of the value in a multidimensional array. + * @return {IterableIterator<{indexPath:string, value:any}>} The flattened list of values. + */ +function* flatTraverse(configList, indexPath = "") { + for (let i = 0; i < configList.length; i++) { + const newIndexPath = indexPath ? `${indexPath}[${i}]` : `[${i}]`; + + // if it's an array then traverse it as well + if (Array.isArray(configList[i])) { + yield* flatTraverse(configList[i], newIndexPath); + continue; + } + + yield { indexPath: newIndexPath, value: configList[i] }; + } +} + +/** + * Extends a list of config files by creating every combination of base and extension files. + * @param {(string|string[])[]} [baseFiles] The base files. + * @param {(string|string[])[]} [extensionFiles] The extension files. + * @return {(string|string[])[]} The extended files. + */ +function extendConfigFiles(baseFiles = [], extensionFiles = []) { + if (!extensionFiles.length) { + return baseFiles.concat(); + } + + if (!baseFiles.length) { + return extensionFiles.concat(); + } + + /** @type {(string|string[])[]} */ + const result = []; + + for (const baseFile of baseFiles) { + for (const extensionFile of extensionFiles) { + /* + * Each entry can be a string or array of strings. The end result + * needs to be an array of strings, so we need to be sure to include + * all of the items when there's an array. + */ + + const entry = []; + + if (Array.isArray(baseFile)) { + entry.push(...baseFile); + } else { + entry.push(baseFile); + } + + if (Array.isArray(extensionFile)) { + entry.push(...extensionFile); + } else { + entry.push(extensionFile); + } + + result.push(entry); + } + } + + return result; +} + +/** + * Extends a config object with another config object. + * @param {Config} baseConfig The base config object. + * @param {string} baseConfigName The name of the base config object. + * @param {Config} extension The extension config object. + * @param {string} extensionName The index of the extension config object. + * @return {Config} The extended config object. + */ +function extendConfig(baseConfig, baseConfigName, extension, extensionName) { + const result = { ...extension }; + + // for global ignores there is no further work to be done, we just keep everything + if (!isGlobalIgnores(extension)) { + // for files we need to create every combination of base and extension files + if (baseConfig.files) { + result.files = extendConfigFiles(baseConfig.files, extension.files); + } + + // for ignores we just concatenation the extension ignores onto the base ignores + if (baseConfig.ignores) { + result.ignores = baseConfig.ignores.concat(extension.ignores ?? []); + } + } + + result.name = `${baseConfigName} > ${extensionName}`; + + // @ts-ignore -- ESLint types aren't updated yet + if (baseConfig.basePath) { + // @ts-ignore -- ESLint types aren't updated yet + result.basePath = baseConfig.basePath; + } + + return result; +} + +/** + * Processes a list of extends elements. + * @param {ConfigWithExtends} config The config object. + * @param {WeakMap} configNames The map of config objects to their names. + * @return {Config[]} The flattened list of config objects. + * @throws {TypeError} If the `extends` property is not an array or if nested `extends` is found. + */ +function processExtends(config, configNames) { + if (!config.extends) { + return [config]; + } + + if (!Array.isArray(config.extends)) { + throw new TypeError("The `extends` property must be an array."); + } + + const { + /** @type {Config[]} */ + extends: extendsList, + + /** @type {Config} */ + ...configObject + } = config; + + const extensionNames = new WeakMap(); + + // replace strings with the actual configs + const objectExtends = extendsList.map(extendsElement => { + if (typeof extendsElement === "string") { + const pluginConfig = findPluginConfig(config, extendsElement); + + // assign names + if (Array.isArray(pluginConfig)) { + pluginConfig.forEach((pluginConfigElement, index) => { + extensionNames.set( + pluginConfigElement, + `${extendsElement}[${index}]`, + ); + }); + } else { + extensionNames.set(pluginConfig, extendsElement); + } + + return pluginConfig; + } + + return /** @type {Config} */ (extendsElement); + }); + + const result = []; + + for (const { indexPath, value: extendsElement } of flatTraverse( + objectExtends, + )) { + const extension = /** @type {Config} */ (extendsElement); + + if ("basePath" in extension) { + throw new TypeError("'basePath' in `extends` is not allowed."); + } + + if ("extends" in extension) { + throw new TypeError("Nested 'extends' is not allowed."); + } + + const baseConfigName = /** @type {string} */ (configNames.get(config)); + const extensionName = + extensionNames.get(extendsElement) ?? + getExtensionName(extendsElement, indexPath); + + result.push( + extendConfig( + configObject, + baseConfigName, + extension, + extensionName, + ), + ); + } + + /* + * If the base config object has only `ignores` and `extends`, then + * removing `extends` turns it into a global ignores, which is not what + * we want. So we need to check if the base config object is a global ignores + * and if so, we don't add it to the array. + * + * (The other option would be to add a `files` entry, but that would result + * in a config that didn't actually do anything because there are no + * other keys in the config.) + */ + if (!isGlobalIgnores(configObject)) { + result.push(configObject); + } + + return result.flat(); +} + +/** + * Processes a list of config objects and arrays. + * @param {ConfigWithExtends[]} configList The list of config objects and arrays. + * @param {WeakMap} configNames The map of config objects to their names. + * @return {Config[]} The flattened list of config objects. + */ +function processConfigList(configList, configNames) { + return configList.flatMap(config => processExtends(config, configNames)); +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Helper function to define a config array. + * @param {ConfigWithExtendsArray} args The arguments to the function. + * @returns {Config[]} The config array. + * @throws {TypeError} If no arguments are provided or if an argument is not an object. + */ +function defineConfig(...args) { + const configNames = new WeakMap(); + const configs = []; + + if (args.length === 0) { + throw new TypeError("Expected one or more arguments."); + } + + // first flatten the list of configs and get the names + for (const { indexPath, value } of flatTraverse(args)) { + if (typeof value !== "object" || value === null) { + throw new TypeError( + `Expected an object but received ${String(value)}.`, + ); + } + + const config = /** @type {ConfigWithExtends} */ (value); + + // save config name for easy reference later + configNames.set(config, getConfigName(config, indexPath)); + configs.push(config); + } + + return processConfigList(configs, configNames); +} + +/** + * @fileoverview Global ignores helper function. + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +let globalIgnoreCount = 0; + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Creates a global ignores config with the given patterns. + * @param {string[]} ignorePatterns The ignore patterns. + * @param {string} [name] The name of the global ignores config. + * @returns {Config} The global ignores config. + * @throws {TypeError} If ignorePatterns is not an array or if it is empty. + */ +function globalIgnores(ignorePatterns, name) { + if (!Array.isArray(ignorePatterns)) { + throw new TypeError("ignorePatterns must be an array"); + } + + if (ignorePatterns.length === 0) { + throw new TypeError("ignorePatterns must contain at least one pattern"); + } + + const id = globalIgnoreCount++; + + return { + name: name || `globalIgnores ${id}`, + ignores: ignorePatterns, + }; +} + +exports.defineConfig = defineConfig; +exports.globalIgnores = globalIgnores; diff --git a/node_modules/@eslint/config-helpers/dist/cjs/index.d.cts b/node_modules/@eslint/config-helpers/dist/cjs/index.d.cts new file mode 100644 index 000000000..2b816be8b --- /dev/null +++ b/node_modules/@eslint/config-helpers/dist/cjs/index.d.cts @@ -0,0 +1,26 @@ +export type Config = $eslintcore.ConfigObject; +export type LegacyConfig = $eslintcore.LegacyConfigObject; +export type Plugin = $eslintcore.Plugin; +export type RuleConfig = $eslintcore.RuleConfig; +export type ExtendsElement = $typests.ExtendsElement; +export type SimpleExtendsElement = $typests.SimpleExtendsElement; +export type ConfigWithExtends = $typests.ConfigWithExtends; +export type InfiniteConfigArray = $typests.InfiniteArray; +export type ConfigWithExtendsArray = $typests.ConfigWithExtendsArray; +/** + * Helper function to define a config array. + * @param {ConfigWithExtendsArray} args The arguments to the function. + * @returns {Config[]} The config array. + * @throws {TypeError} If no arguments are provided or if an argument is not an object. + */ +export function defineConfig(...args: ConfigWithExtendsArray): Config[]; +/** + * Creates a global ignores config with the given patterns. + * @param {string[]} ignorePatterns The ignore patterns. + * @param {string} [name] The name of the global ignores config. + * @returns {Config} The global ignores config. + * @throws {TypeError} If ignorePatterns is not an array or if it is empty. + */ +export function globalIgnores(ignorePatterns: string[], name?: string): Config; +import type * as $eslintcore from "@eslint/core"; +import type * as $typests from "./types.cts"; diff --git a/node_modules/@eslint/config-helpers/dist/cjs/types.cts b/node_modules/@eslint/config-helpers/dist/cjs/types.cts new file mode 100644 index 000000000..a313ea259 --- /dev/null +++ b/node_modules/@eslint/config-helpers/dist/cjs/types.cts @@ -0,0 +1,29 @@ +/** + * @fileoverview Types for this package. + */ + +import type { ConfigObject } from "@eslint/core"; + +/** + * Infinite array type. + */ +export type InfiniteArray = T | InfiniteArray[]; + +/** + * The type of array element in the `extends` property after flattening. + */ +export type SimpleExtendsElement = string | ConfigObject; + +/** + * The type of array element in the `extends` property before flattening. + */ +export type ExtendsElement = SimpleExtendsElement | InfiniteArray; + +/** + * Config with extends. Valid only inside of `defineConfig()`. + */ +export interface ConfigWithExtends extends ConfigObject { + extends?: ExtendsElement[]; +} + +export type ConfigWithExtendsArray = InfiniteArray[]; diff --git a/node_modules/@eslint/config-helpers/dist/esm/index.d.ts b/node_modules/@eslint/config-helpers/dist/esm/index.d.ts new file mode 100644 index 000000000..55dabeb6e --- /dev/null +++ b/node_modules/@eslint/config-helpers/dist/esm/index.d.ts @@ -0,0 +1,26 @@ +export type Config = $eslintcore.ConfigObject; +export type LegacyConfig = $eslintcore.LegacyConfigObject; +export type Plugin = $eslintcore.Plugin; +export type RuleConfig = $eslintcore.RuleConfig; +export type ExtendsElement = $typests.ExtendsElement; +export type SimpleExtendsElement = $typests.SimpleExtendsElement; +export type ConfigWithExtends = $typests.ConfigWithExtends; +export type InfiniteConfigArray = $typests.InfiniteArray; +export type ConfigWithExtendsArray = $typests.ConfigWithExtendsArray; +/** + * Helper function to define a config array. + * @param {ConfigWithExtendsArray} args The arguments to the function. + * @returns {Config[]} The config array. + * @throws {TypeError} If no arguments are provided or if an argument is not an object. + */ +export function defineConfig(...args: ConfigWithExtendsArray): Config[]; +/** + * Creates a global ignores config with the given patterns. + * @param {string[]} ignorePatterns The ignore patterns. + * @param {string} [name] The name of the global ignores config. + * @returns {Config} The global ignores config. + * @throws {TypeError} If ignorePatterns is not an array or if it is empty. + */ +export function globalIgnores(ignorePatterns: string[], name?: string): Config; +import type * as $eslintcore from "@eslint/core"; +import type * as $typests from "./types.ts"; diff --git a/node_modules/@eslint/config-helpers/dist/esm/index.js b/node_modules/@eslint/config-helpers/dist/esm/index.js new file mode 100644 index 000000000..15110ae83 --- /dev/null +++ b/node_modules/@eslint/config-helpers/dist/esm/index.js @@ -0,0 +1,586 @@ +// @ts-self-types="./index.d.ts" +/** + * @fileoverview defineConfig helper + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + +/** @import * as $eslintcore from "@eslint/core"; */ +/** @typedef {$eslintcore.ConfigObject} Config */ +/** @typedef {$eslintcore.LegacyConfigObject} LegacyConfig */ +/** @typedef {$eslintcore.Plugin} Plugin */ +/** @typedef {$eslintcore.RuleConfig} RuleConfig */ +/** @import * as $typests from "./types.ts"; */ +/** @typedef {$typests.ExtendsElement} ExtendsElement */ +/** @typedef {$typests.SimpleExtendsElement} SimpleExtendsElement */ +/** @typedef {$typests.ConfigWithExtends} ConfigWithExtends */ +/** @typedef {$typests.InfiniteArray} InfiniteConfigArray */ +/** @typedef {$typests.ConfigWithExtendsArray} ConfigWithExtendsArray */ + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +const eslintrcKeys = [ + "env", + "extends", + "globals", + "ignorePatterns", + "noInlineConfig", + "overrides", + "parser", + "parserOptions", + "reportUnusedDisableDirectives", + "root", +]; + +const allowedGlobalIgnoreKeys = new Set(["basePath", "ignores", "name"]); + +/** + * Gets the name of a config object. + * @param {Config} config The config object. + * @param {string} indexPath The index path of the config object. + * @return {string} The name of the config object. + */ +function getConfigName(config, indexPath) { + if (config.name) { + return config.name; + } + + return `UserConfig${indexPath}`; +} + +/** + * Gets the name of an extension. + * @param {SimpleExtendsElement} extension The extension. + * @param {string} indexPath The index of the extension. + * @return {string} The name of the extension. + */ +function getExtensionName(extension, indexPath) { + if (typeof extension === "string") { + return extension; + } + + if (extension.name) { + return extension.name; + } + + return `ExtendedConfig${indexPath}`; +} + +/** + * Determines if a config object is a legacy config. + * @param {Config|LegacyConfig} config The config object to check. + * @return {config is LegacyConfig} `true` if the config object is a legacy config. + */ +function isLegacyConfig(config) { + // eslintrc's plugins must be an array; while flat config's must be an object. + if (Array.isArray(config.plugins)) { + return true; + } + + for (const key of eslintrcKeys) { + if (key in config) { + return true; + } + } + + return false; +} + +/** + * Determines if a config object is a global ignores config. + * @param {Config} config The config object to check. + * @return {boolean} `true` if the config object is a global ignores config. + */ +function isGlobalIgnores(config) { + return Object.keys(config).every(key => allowedGlobalIgnoreKeys.has(key)); +} + +/** + * Parses a plugin member ID (rule, processor, etc.) and returns + * the namespace and member name. + * @param {string} id The ID to parse. + * @returns {{namespace:string, name:string}} The namespace and member name. + */ +function getPluginMember(id) { + const firstSlashIndex = id.indexOf("/"); + + if (firstSlashIndex === -1) { + return { namespace: "", name: id }; + } + + let namespace = id.slice(0, firstSlashIndex); + + /* + * Special cases: + * 1. The namespace is `@`, that means it's referring to the + * core plugin so `@` is the full namespace. + * 2. The namespace starts with `@`, that means it's referring to + * an npm scoped package. That means the namespace is the scope + * and the package name (i.e., `@eslint/core`). + */ + if (namespace[0] === "@" && namespace !== "@") { + const secondSlashIndex = id.indexOf("/", firstSlashIndex + 1); + if (secondSlashIndex !== -1) { + namespace = id.slice(0, secondSlashIndex); + return { namespace, name: id.slice(secondSlashIndex + 1) }; + } + } + + const name = id.slice(firstSlashIndex + 1); + + return { namespace, name }; +} + +/** + * Normalizes the plugin config by replacing the namespace with the plugin namespace. + * @param {string} userNamespace The namespace of the plugin. + * @param {Plugin} plugin The plugin config object. + * @param {Config} config The config object to normalize. + * @return {Config} The normalized config object. + */ +function normalizePluginConfig(userNamespace, plugin, config) { + const pluginNamespace = plugin.meta?.namespace; + + // don't do anything if the plugin doesn't have a namespace or rules + if ( + !pluginNamespace || + pluginNamespace === userNamespace || + (!config.rules && !config.processor && !config.language) + ) { + return config; + } + + const result = { ...config }; + + // update the rules + if (result.rules) { + const ruleIds = Object.keys(result.rules); + + /** @type {Record} */ + const newRules = {}; + + for (let i = 0; i < ruleIds.length; i++) { + const ruleId = ruleIds[i]; + const { namespace: ruleNamespace, name: ruleName } = + getPluginMember(ruleId); + + if (ruleNamespace === pluginNamespace) { + newRules[`${userNamespace}/${ruleName}`] = result.rules[ruleId]; + } else { + newRules[ruleId] = result.rules[ruleId]; + } + } + + result.rules = newRules; + } + + // update the processor + + if (typeof result.processor === "string") { + const { namespace: processorNamespace, name: processorName } = + getPluginMember(result.processor); + + if (processorNamespace) { + if (processorNamespace === pluginNamespace) { + result.processor = `${userNamespace}/${processorName}`; + } + } + } + + // update the language + if (typeof result.language === "string") { + const { namespace: languageNamespace, name: languageName } = + getPluginMember(result.language); + + if (languageNamespace === pluginNamespace) { + result.language = `${userNamespace}/${languageName}`; + } + } + + return result; +} + +/** + * Deeply normalizes a plugin config, traversing recursively into an arrays. + * @param {string} userPluginNamespace The namespace of the plugin. + * @param {Plugin} plugin The plugin object. + * @param {Config|LegacyConfig|(Config|LegacyConfig)[]} pluginConfig The plugin config to normalize. + * @param {string} pluginConfigName The name of the plugin config. + * @return {InfiniteConfigArray} The normalized plugin config. + * @throws {TypeError} If the plugin config is a legacy config. + */ +function deepNormalizePluginConfig( + userPluginNamespace, + plugin, + pluginConfig, + pluginConfigName, +) { + // if it's an array then it's definitely a new config + if (Array.isArray(pluginConfig)) { + return pluginConfig.map(pluginSubConfig => + deepNormalizePluginConfig( + userPluginNamespace, + plugin, + pluginSubConfig, + pluginConfigName, + ), + ); + } + + // if it's a legacy config, throw an error + if (isLegacyConfig(pluginConfig)) { + throw new TypeError( + `Plugin config "${pluginConfigName}" is an eslintrc config and cannot be used in this context.`, + ); + } + + return normalizePluginConfig(userPluginNamespace, plugin, pluginConfig); +} + +/** + * Finds a plugin config by name in the given config. + * @param {Config} config The config object. + * @param {string} pluginConfigName The name of the plugin config. + * @return {InfiniteConfigArray} The plugin config. + * @throws {TypeError} If the plugin config is not found or is a legacy config. + */ +function findPluginConfig(config, pluginConfigName) { + const { namespace: userPluginNamespace, name: configName } = + getPluginMember(pluginConfigName); + const plugin = config.plugins?.[userPluginNamespace]; + + if (!plugin) { + throw new TypeError(`Plugin "${userPluginNamespace}" not found.`); + } + + const directConfig = plugin.configs?.[configName]; + + // Prefer direct config, but fall back to flat config if available + if (directConfig) { + // Arrays are always flat configs, and non-legacy configs can be used directly + if (Array.isArray(directConfig) || !isLegacyConfig(directConfig)) { + return deepNormalizePluginConfig( + userPluginNamespace, + plugin, + directConfig, + pluginConfigName, + ); + } + } + + // If it's a legacy config, or the config does not exist => look for the flat version + const flatConfig = plugin.configs?.[`flat/${configName}`]; + if ( + flatConfig && + (Array.isArray(flatConfig) || !isLegacyConfig(flatConfig)) + ) { + return deepNormalizePluginConfig( + userPluginNamespace, + plugin, + flatConfig, + pluginConfigName, + ); + } + + // If we get here, then the config was either not found or is a legacy config + const message = + directConfig || flatConfig + ? `Plugin config "${configName}" in plugin "${userPluginNamespace}" is an eslintrc config and cannot be used in this context.` + : `Plugin config "${configName}" not found in plugin "${userPluginNamespace}".`; + throw new TypeError(message); +} + +/** + * Flattens an array while keeping track of the index path. + * @param {any[]} configList The array to traverse. + * @param {string} indexPath The index path of the value in a multidimensional array. + * @return {IterableIterator<{indexPath:string, value:any}>} The flattened list of values. + */ +function* flatTraverse(configList, indexPath = "") { + for (let i = 0; i < configList.length; i++) { + const newIndexPath = indexPath ? `${indexPath}[${i}]` : `[${i}]`; + + // if it's an array then traverse it as well + if (Array.isArray(configList[i])) { + yield* flatTraverse(configList[i], newIndexPath); + continue; + } + + yield { indexPath: newIndexPath, value: configList[i] }; + } +} + +/** + * Extends a list of config files by creating every combination of base and extension files. + * @param {(string|string[])[]} [baseFiles] The base files. + * @param {(string|string[])[]} [extensionFiles] The extension files. + * @return {(string|string[])[]} The extended files. + */ +function extendConfigFiles(baseFiles = [], extensionFiles = []) { + if (!extensionFiles.length) { + return baseFiles.concat(); + } + + if (!baseFiles.length) { + return extensionFiles.concat(); + } + + /** @type {(string|string[])[]} */ + const result = []; + + for (const baseFile of baseFiles) { + for (const extensionFile of extensionFiles) { + /* + * Each entry can be a string or array of strings. The end result + * needs to be an array of strings, so we need to be sure to include + * all of the items when there's an array. + */ + + const entry = []; + + if (Array.isArray(baseFile)) { + entry.push(...baseFile); + } else { + entry.push(baseFile); + } + + if (Array.isArray(extensionFile)) { + entry.push(...extensionFile); + } else { + entry.push(extensionFile); + } + + result.push(entry); + } + } + + return result; +} + +/** + * Extends a config object with another config object. + * @param {Config} baseConfig The base config object. + * @param {string} baseConfigName The name of the base config object. + * @param {Config} extension The extension config object. + * @param {string} extensionName The index of the extension config object. + * @return {Config} The extended config object. + */ +function extendConfig(baseConfig, baseConfigName, extension, extensionName) { + const result = { ...extension }; + + // for global ignores there is no further work to be done, we just keep everything + if (!isGlobalIgnores(extension)) { + // for files we need to create every combination of base and extension files + if (baseConfig.files) { + result.files = extendConfigFiles(baseConfig.files, extension.files); + } + + // for ignores we just concatenation the extension ignores onto the base ignores + if (baseConfig.ignores) { + result.ignores = baseConfig.ignores.concat(extension.ignores ?? []); + } + } + + result.name = `${baseConfigName} > ${extensionName}`; + + // @ts-ignore -- ESLint types aren't updated yet + if (baseConfig.basePath) { + // @ts-ignore -- ESLint types aren't updated yet + result.basePath = baseConfig.basePath; + } + + return result; +} + +/** + * Processes a list of extends elements. + * @param {ConfigWithExtends} config The config object. + * @param {WeakMap} configNames The map of config objects to their names. + * @return {Config[]} The flattened list of config objects. + * @throws {TypeError} If the `extends` property is not an array or if nested `extends` is found. + */ +function processExtends(config, configNames) { + if (!config.extends) { + return [config]; + } + + if (!Array.isArray(config.extends)) { + throw new TypeError("The `extends` property must be an array."); + } + + const { + /** @type {Config[]} */ + extends: extendsList, + + /** @type {Config} */ + ...configObject + } = config; + + const extensionNames = new WeakMap(); + + // replace strings with the actual configs + const objectExtends = extendsList.map(extendsElement => { + if (typeof extendsElement === "string") { + const pluginConfig = findPluginConfig(config, extendsElement); + + // assign names + if (Array.isArray(pluginConfig)) { + pluginConfig.forEach((pluginConfigElement, index) => { + extensionNames.set( + pluginConfigElement, + `${extendsElement}[${index}]`, + ); + }); + } else { + extensionNames.set(pluginConfig, extendsElement); + } + + return pluginConfig; + } + + return /** @type {Config} */ (extendsElement); + }); + + const result = []; + + for (const { indexPath, value: extendsElement } of flatTraverse( + objectExtends, + )) { + const extension = /** @type {Config} */ (extendsElement); + + if ("basePath" in extension) { + throw new TypeError("'basePath' in `extends` is not allowed."); + } + + if ("extends" in extension) { + throw new TypeError("Nested 'extends' is not allowed."); + } + + const baseConfigName = /** @type {string} */ (configNames.get(config)); + const extensionName = + extensionNames.get(extendsElement) ?? + getExtensionName(extendsElement, indexPath); + + result.push( + extendConfig( + configObject, + baseConfigName, + extension, + extensionName, + ), + ); + } + + /* + * If the base config object has only `ignores` and `extends`, then + * removing `extends` turns it into a global ignores, which is not what + * we want. So we need to check if the base config object is a global ignores + * and if so, we don't add it to the array. + * + * (The other option would be to add a `files` entry, but that would result + * in a config that didn't actually do anything because there are no + * other keys in the config.) + */ + if (!isGlobalIgnores(configObject)) { + result.push(configObject); + } + + return result.flat(); +} + +/** + * Processes a list of config objects and arrays. + * @param {ConfigWithExtends[]} configList The list of config objects and arrays. + * @param {WeakMap} configNames The map of config objects to their names. + * @return {Config[]} The flattened list of config objects. + */ +function processConfigList(configList, configNames) { + return configList.flatMap(config => processExtends(config, configNames)); +} + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Helper function to define a config array. + * @param {ConfigWithExtendsArray} args The arguments to the function. + * @returns {Config[]} The config array. + * @throws {TypeError} If no arguments are provided or if an argument is not an object. + */ +function defineConfig(...args) { + const configNames = new WeakMap(); + const configs = []; + + if (args.length === 0) { + throw new TypeError("Expected one or more arguments."); + } + + // first flatten the list of configs and get the names + for (const { indexPath, value } of flatTraverse(args)) { + if (typeof value !== "object" || value === null) { + throw new TypeError( + `Expected an object but received ${String(value)}.`, + ); + } + + const config = /** @type {ConfigWithExtends} */ (value); + + // save config name for easy reference later + configNames.set(config, getConfigName(config, indexPath)); + configs.push(config); + } + + return processConfigList(configs, configNames); +} + +/** + * @fileoverview Global ignores helper function. + * @author Nicholas C. Zakas + */ + +//----------------------------------------------------------------------------- +// Type Definitions +//----------------------------------------------------------------------------- + + +//----------------------------------------------------------------------------- +// Helpers +//----------------------------------------------------------------------------- + +let globalIgnoreCount = 0; + +//----------------------------------------------------------------------------- +// Exports +//----------------------------------------------------------------------------- + +/** + * Creates a global ignores config with the given patterns. + * @param {string[]} ignorePatterns The ignore patterns. + * @param {string} [name] The name of the global ignores config. + * @returns {Config} The global ignores config. + * @throws {TypeError} If ignorePatterns is not an array or if it is empty. + */ +function globalIgnores(ignorePatterns, name) { + if (!Array.isArray(ignorePatterns)) { + throw new TypeError("ignorePatterns must be an array"); + } + + if (ignorePatterns.length === 0) { + throw new TypeError("ignorePatterns must contain at least one pattern"); + } + + const id = globalIgnoreCount++; + + return { + name: name || `globalIgnores ${id}`, + ignores: ignorePatterns, + }; +} + +export { defineConfig, globalIgnores }; diff --git a/node_modules/@eslint/config-helpers/dist/esm/types.d.ts b/node_modules/@eslint/config-helpers/dist/esm/types.d.ts new file mode 100644 index 000000000..ddaf38564 --- /dev/null +++ b/node_modules/@eslint/config-helpers/dist/esm/types.d.ts @@ -0,0 +1,23 @@ +/** + * @fileoverview Types for this package. + */ +import type { ConfigObject } from "@eslint/core"; +/** + * Infinite array type. + */ +export type InfiniteArray = T | InfiniteArray[]; +/** + * The type of array element in the `extends` property after flattening. + */ +export type SimpleExtendsElement = string | ConfigObject; +/** + * The type of array element in the `extends` property before flattening. + */ +export type ExtendsElement = SimpleExtendsElement | InfiniteArray; +/** + * Config with extends. Valid only inside of `defineConfig()`. + */ +export interface ConfigWithExtends extends ConfigObject { + extends?: ExtendsElement[]; +} +export type ConfigWithExtendsArray = InfiniteArray[]; diff --git a/node_modules/@eslint/config-helpers/dist/esm/types.ts b/node_modules/@eslint/config-helpers/dist/esm/types.ts new file mode 100644 index 000000000..a313ea259 --- /dev/null +++ b/node_modules/@eslint/config-helpers/dist/esm/types.ts @@ -0,0 +1,29 @@ +/** + * @fileoverview Types for this package. + */ + +import type { ConfigObject } from "@eslint/core"; + +/** + * Infinite array type. + */ +export type InfiniteArray = T | InfiniteArray[]; + +/** + * The type of array element in the `extends` property after flattening. + */ +export type SimpleExtendsElement = string | ConfigObject; + +/** + * The type of array element in the `extends` property before flattening. + */ +export type ExtendsElement = SimpleExtendsElement | InfiniteArray; + +/** + * Config with extends. Valid only inside of `defineConfig()`. + */ +export interface ConfigWithExtends extends ConfigObject { + extends?: ExtendsElement[]; +} + +export type ConfigWithExtendsArray = InfiniteArray[]; diff --git a/node_modules/@eslint/config-helpers/package.json b/node_modules/@eslint/config-helpers/package.json new file mode 100644 index 000000000..7ac79cecf --- /dev/null +++ b/node_modules/@eslint/config-helpers/package.json @@ -0,0 +1,60 @@ +{ + "name": "@eslint/config-helpers", + "version": "0.4.2", + "description": "Helper utilities for creating ESLint configuration", + "type": "module", + "main": "dist/esm/index.js", + "types": "dist/esm/index.d.ts", + "exports": { + "require": { + "types": "./dist/cjs/index.d.cts", + "default": "./dist/cjs/index.cjs" + }, + "import": { + "types": "./dist/esm/index.d.ts", + "default": "./dist/esm/index.js" + } + }, + "files": [ + "dist" + ], + "publishConfig": { + "access": "public" + }, + "directories": { + "test": "tests" + }, + "scripts": { + "build:dedupe-types": "node ../../tools/dedupe-types.js dist/cjs/index.cjs dist/esm/index.js", + "build:cts": "node ../../tools/build-cts.js dist/esm/index.d.ts dist/cjs/index.d.cts", + "build": "rollup -c && npm run build:dedupe-types && tsc -p tsconfig.esm.json && npm run build:cts", + "test": "mocha \"tests/**/*.test.js\"", + "test:coverage": "c8 npm test", + "test:jsr": "npx jsr@latest publish --dry-run", + "test:pnpm": "cd tests/pnpm && pnpm install && pnpm exec tsc", + "test:types": "tsc -p tests/types/tsconfig.json" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/eslint/rewrite.git", + "directory": "packages/config-helpers" + }, + "keywords": [ + "eslint" + ], + "license": "Apache-2.0", + "bugs": { + "url": "https://github.com/eslint/rewrite/issues" + }, + "homepage": "https://github.com/eslint/rewrite/tree/main/packages/config-helpers#readme", + "dependencies": { + "@eslint/core": "^0.17.0" + }, + "devDependencies": { + "eslint": "^9.27.0", + "rollup-plugin-copy": "^3.5.0" + }, + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + } +} diff --git a/node_modules/@eslint/core/LICENSE b/node_modules/@eslint/core/LICENSE new file mode 100644 index 000000000..261eeb9e9 --- /dev/null +++ b/node_modules/@eslint/core/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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+ diff --git a/node_modules/@eslint/core/dist/cjs/types.d.cts b/node_modules/@eslint/core/dist/cjs/types.d.cts new file mode 100644 index 000000000..3fa4bebc1 --- /dev/null +++ b/node_modules/@eslint/core/dist/cjs/types.d.cts @@ -0,0 +1,1179 @@ +/** + * @fileoverview Shared types for ESLint Core. + */ +import type { JSONSchema4 } from "json-schema"; +/** + * Represents an error inside of a file. + */ +export interface FileError { + message: string; + line: number; + column: number; + endLine?: number; + endColumn?: number; +} +/** + * Represents a problem found in a file. + */ +export interface FileProblem { + ruleId: string | null; + message: string; + loc: SourceLocation; +} +/** + * Represents the start and end coordinates of a node inside the source. + */ +export interface SourceLocation { + start: Position; + end: Position; +} +/** + * Represents the start and end coordinates of a node inside the source with an offset. + */ +export interface SourceLocationWithOffset { + start: PositionWithOffset; + end: PositionWithOffset; +} +/** + * Represents a location coordinate inside the source. ESLint-style formats + * have just `line` and `column` while others may have `offset` as well. + */ +export interface Position { + line: number; + column: number; +} +/** + * Represents a location coordinate inside the source with an offset. + */ +export interface PositionWithOffset extends Position { + offset: number; +} +/** + * Represents a range of characters in the source. + */ +export type SourceRange = [number, number]; +/** + * What the rule is responsible for finding: + * - `problem` means the rule has noticed a potential error. + * - `suggestion` means the rule suggests an alternate or better approach. + * - `layout` means the rule is looking at spacing, indentation, etc. + */ +export type RuleType = "problem" | "suggestion" | "layout"; +/** + * The type of fix the rule can provide: + * - `code` means the rule can fix syntax. + * - `whitespace` means the rule can fix spacing and indentation. + */ +export type RuleFixType = "code" | "whitespace"; +/** + * An object containing visitor information for a rule. Each method is either the + * name of a node type or a selector, or is a method that will be called at specific + * times during the traversal. + */ +export type RuleVisitor = Record void) | undefined>; +/** + * Rule meta information used for documentation. + */ +export interface RulesMetaDocs { + /** + * A short description of the rule. + */ + description?: string | undefined; + /** + * The URL to the documentation for the rule. + */ + url?: string | undefined; + /** + * The category the rule falls under. + * @deprecated No longer used. + */ + category?: string | undefined; + /** + * Indicates if the rule is generally recommended for all users. + * + * Note - this will always be a boolean for core rules, but may be used in any way by plugins. + */ + recommended?: unknown; + /** + * Indicates if the rule is frozen (no longer accepting feature requests). + */ + frozen?: boolean | undefined; +} +/** + * Meta information about a rule. + */ +export interface RulesMeta { + /** + * Properties that are used when documenting the rule. + */ + docs?: (RulesMetaDocs & ExtRuleDocs) | undefined; + /** + * The type of rule. + */ + type?: RuleType | undefined; + /** + * The schema for the rule options. Required if the rule has options. + */ + schema?: JSONSchema4 | JSONSchema4[] | false | undefined; + /** + * Any default options to be recursively merged on top of any user-provided options. + */ + defaultOptions?: RuleOptions; + /** + * The messages that the rule can report. + */ + messages?: Record; + /** + * Indicates whether the rule has been deprecated or provides additional metadata about the deprecation. Omit if not deprecated. + */ + deprecated?: boolean | DeprecatedInfo | undefined; + /** + * @deprecated Use deprecated.replacedBy instead. + * The name of the rule(s) this rule was replaced by, if it was deprecated. + */ + replacedBy?: readonly string[] | undefined; + /** + * Indicates if the rule is fixable, and if so, what type of fix it provides. + */ + fixable?: RuleFixType | undefined; + /** + * Indicates if the rule may provide suggestions. + */ + hasSuggestions?: boolean | undefined; + /** + * The language the rule is intended to lint. + */ + language?: string; + /** + * The dialects of `language` that the rule is intended to lint. + */ + dialects?: string[]; +} +/** + * Provides additional metadata about a deprecation. + */ +export interface DeprecatedInfo { + /** + * General message presented to the user, e.g. for the key rule why the rule + * is deprecated or for info how to replace the rule. + */ + message?: string; + /** + * URL to more information about this deprecation in general. + */ + url?: string; + /** + * An empty array explicitly states that there is no replacement. + */ + replacedBy?: ReplacedByInfo[]; + /** + * The package version since when the rule is deprecated (should use full + * semver without a leading "v"). + */ + deprecatedSince?: string; + /** + * The estimated version when the rule is removed (probably the next major + * version). null means the rule is "frozen" (will be available but will not + * be changed). + */ + availableUntil?: string | null; +} +/** + * Provides metadata about a replacement + */ +export interface ReplacedByInfo { + /** + * General message presented to the user, e.g. how to replace the rule + */ + message?: string; + /** + * URL to more information about this replacement in general + */ + url?: string; + /** + * Name should be "eslint" if the replacement is an ESLint core rule. Omit + * the property if the replacement is in the same plugin. + */ + plugin?: ExternalSpecifier; + /** + * Name and documentation of the replacement rule + */ + rule?: ExternalSpecifier; +} +/** + * Specifies the name and url of an external resource. At least one property + * should be set. + */ +export interface ExternalSpecifier { + /** + * Name of the referenced plugin / rule. + */ + name?: string; + /** + * URL pointing to documentation for the plugin / rule. + */ + url?: string; +} +/** + * Generic type for `RuleContext`. + */ +export interface RuleContextTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RuleOptions: unknown[]; + Node: unknown; + MessageIds: string; +} +/** + * Represents the context object that is passed to a rule. This object contains + * information about the current state of the linting process and is the rule's + * view into the outside world. + */ +export interface RuleContext { + /** + * The current working directory for the session. + */ + cwd: string; + /** + * Returns the current working directory for the session. + * @deprecated Use `cwd` instead. + */ + getCwd(): string; + /** + * The filename of the file being linted. + */ + filename: string; + /** + * Returns the filename of the file being linted. + * @deprecated Use `filename` instead. + */ + getFilename(): string; + /** + * The physical filename of the file being linted. + */ + physicalFilename: string; + /** + * Returns the physical filename of the file being linted. + * @deprecated Use `physicalFilename` instead. + */ + getPhysicalFilename(): string; + /** + * The source code object that the rule is running on. + */ + sourceCode: Options["Code"]; + /** + * Returns the source code object that the rule is running on. + * @deprecated Use `sourceCode` instead. + */ + getSourceCode(): Options["Code"]; + /** + * Shared settings for the configuration. + */ + settings: SettingsConfig; + /** + * Parser-specific options for the configuration. + * @deprecated Use `languageOptions.parserOptions` instead. + */ + parserOptions: Record; + /** + * The language options for the configuration. + */ + languageOptions: Options["LangOptions"]; + /** + * The CommonJS path to the parser used while parsing this file. + * @deprecated No longer used. + */ + parserPath: string | undefined; + /** + * The rule ID. + */ + id: string; + /** + * The rule's configured options. + */ + options: Options["RuleOptions"]; + /** + * The report function that the rule should use to report problems. + * @param violation The violation to report. + */ + report(violation: ViolationReport): void; +} +/** + * Manager of text edits for a rule fix. + */ +export interface RuleTextEditor { + /** + * Inserts text after the specified node or token. + * @param syntaxElement The node or token to insert after. + * @param text The edit to insert after the node or token. + */ + insertTextAfter(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Inserts text after the specified range. + * @param range The range to insert after. + * @param text The edit to insert after the range. + */ + insertTextAfterRange(range: SourceRange, text: string): RuleTextEdit; + /** + * Inserts text before the specified node or token. + * @param syntaxElement A syntax element with location information to insert before. + * @param text The edit to insert before the node or token. + */ + insertTextBefore(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Inserts text before the specified range. + * @param range The range to insert before. + * @param text The edit to insert before the range. + */ + insertTextBeforeRange(range: SourceRange, text: string): RuleTextEdit; + /** + * Removes the specified node or token. + * @param syntaxElement A syntax element with location information to remove. + * @returns The edit to remove the node or token. + */ + remove(syntaxElement: EditableSyntaxElement): RuleTextEdit; + /** + * Removes the specified range. + * @param range The range to remove. + * @returns The edit to remove the range. + */ + removeRange(range: SourceRange): RuleTextEdit; + /** + * Replaces the specified node or token with the given text. + * @param syntaxElement A syntax element with location information to replace. + * @param text The text to replace the node or token with. + * @returns The edit to replace the node or token. + */ + replaceText(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Replaces the specified range with the given text. + * @param range The range to replace. + * @param text The text to replace the range with. + * @returns The edit to replace the range. + */ + replaceTextRange(range: SourceRange, text: string): RuleTextEdit; +} +/** + * Represents a fix for a rule violation implemented as a text edit. + */ +export interface RuleTextEdit { + /** + * The range to replace. + */ + range: SourceRange; + /** + * The text to insert. + */ + text: string; +} +/** + * Fixes a violation. + * @param fixer The text editor to apply the fix. + * @returns The fix(es) for the violation. + */ +export type RuleFixer = (fixer: RuleTextEditor) => RuleTextEdit | Iterable | null; +export interface ViolationReportBase { + /** + * The data to insert into the message. + */ + data?: Record | undefined; + /** + * The fix to be applied for the violation. + */ + fix?: RuleFixer | null | undefined; + /** + * An array of suggested fixes for the problem. These fixes may change the + * behavior of the code, so they are not applied automatically. + */ + suggest?: SuggestedEdit[] | null | undefined; +} +export type ViolationMessage = { + message: string; +} | { + messageId: MessageIds; +}; +export type ViolationLocation = { + loc: SourceLocation | Position; +} | { + node: Node; +}; +export type ViolationReport = ViolationReportBase & ViolationMessage & ViolationLocation; +export interface SuggestedEditBase { + /** + * The data to insert into the message. + */ + data?: Record | undefined; + /** + * The fix to be applied for the suggestion. + */ + fix: RuleFixer; +} +export type SuggestionMessage = { + desc: string; +} | { + messageId: string; +}; +/** + * A suggested edit for a rule violation. + */ +export type SuggestedEdit = SuggestedEditBase & SuggestionMessage; +/** + * The normalized version of a lint suggestion. + */ +export interface LintSuggestion { + /** A short description. */ + desc: string; + /** Fix result info. */ + fix: RuleTextEdit; + /** Id referencing a message for the description. */ + messageId?: string | undefined; +} +/** + * The normalized version of a lint violation message. + */ +export interface LintMessage { + /** The 1-based column number. */ + column: number; + /** The 1-based line number. */ + line: number; + /** The 1-based column number of the end location. */ + endColumn?: number | undefined; + /** The 1-based line number of the end location. */ + endLine?: number | undefined; + /** The ID of the rule which makes this message. */ + ruleId: string | null; + /** The reported message. */ + message: string; + /** The ID of the message in the rule's meta. */ + messageId?: string | undefined; + /** + * Type of node. + * @deprecated `nodeType` is deprecated and will be removed in the next major version. + */ + nodeType?: string | undefined; + /** If `true` then this is a fatal error. */ + fatal?: true | undefined; + /** The severity of this message. */ + severity: Exclude; + /** Information for autofix. */ + fix?: RuleTextEdit | undefined; + /** Information for suggestions. */ + suggestions?: LintSuggestion[] | undefined; +} +/** + * Generic options for the `RuleDefinition` type. + */ +export interface RuleDefinitionTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RuleOptions: unknown[]; + Visitor: RuleVisitor; + Node: unknown; + MessageIds: string; + ExtRuleDocs: unknown; +} +/** + * The definition of an ESLint rule. + */ +export interface RuleDefinition { + /** + * The meta information for the rule. + */ + meta?: RulesMeta; + /** + * Creates the visitor that ESLint uses to apply the rule during traversal. + * @param context The rule context. + * @returns The rule visitor. + */ + create(context: RuleContext<{ + LangOptions: Options["LangOptions"]; + Code: Options["Code"]; + RuleOptions: Options["RuleOptions"]; + Node: Options["Node"]; + MessageIds: Options["MessageIds"]; + }>): Options["Visitor"]; +} +/** + * Defaults for non-language-related `RuleDefinition` options. + */ +export interface CustomRuleTypeDefinitions { + RuleOptions: unknown[]; + MessageIds: string; + ExtRuleDocs: Record; +} +/** + * A helper type to define language specific specializations of the `RuleDefinition` type. + * + * @example + * ```ts + * type YourRuleDefinition< + * Options extends Partial = {}, + * > = CustomRuleDefinitionType< + * { + * LangOptions: YourLanguageOptions; + * Code: YourSourceCode; + * Visitor: YourRuleVisitor; + * Node: YourNode; + * }, + * Options + * >; + * ``` + */ +export type CustomRuleDefinitionType, Options extends Partial> = RuleDefinition>>; +/** + * The human readable severity level used in a configuration. + */ +export type SeverityName = "off" | "warn" | "error"; +/** + * The numeric severity level for a rule. + * + * - `0` means off. + * - `1` means warn. + * - `2` means error. + */ +export type SeverityLevel = 0 | 1 | 2; +/** + * The severity of a rule in a configuration. + */ +export type Severity = SeverityName | SeverityLevel; +/** + * Represents the metadata for an object, such as a plugin or processor. + */ +export interface ObjectMetaProperties { + /** @deprecated Use `meta.name` instead. */ + name?: string | undefined; + /** @deprecated Use `meta.version` instead. */ + version?: string | undefined; + meta?: { + name?: string | undefined; + version?: string | undefined; + }; +} +/** + * Represents the configuration options for the core linter. + */ +export interface LinterOptionsConfig { + /** + * Indicates whether or not inline configuration is evaluated. + */ + noInlineConfig?: boolean; + /** + * Indicates what to do when an unused disable directive is found. + */ + reportUnusedDisableDirectives?: boolean | Severity; + /** + * A severity value indicating if and how unused inline configs should be + * tracked and reported. + */ + reportUnusedInlineConfigs?: Severity; +} +/** + * The configuration for a rule. + */ +export type RuleConfig = Severity | [Severity, ...Partial]; +/** + * A collection of rules and their configurations. + */ +export interface RulesConfig { + [key: string]: RuleConfig; +} +/** + * A collection of settings. + */ +export interface SettingsConfig { + [key: string]: unknown; +} +/** + * The configuration for a set of files. + */ +export interface ConfigObject { + /** + * A string to identify the configuration object. Used in error messages and + * inspection tools. + */ + name?: string; + /** + * Path to the directory where the configuration object should apply. + * `files` and `ignores` patterns in the configuration object are + * interpreted as relative to this path. + */ + basePath?: string; + /** + * An array of glob patterns indicating the files that the configuration + * object should apply to. If not specified, the configuration object applies + * to all files + */ + files?: (string | string[])[]; + /** + * An array of glob patterns indicating the files that the configuration + * object should not apply to. If not specified, the configuration object + * applies to all files matched by files + */ + ignores?: string[]; + /** + * The name of the language used for linting. This is used to determine the + * parser and other language-specific settings. + * @since 9.7.0 + */ + language?: string; + /** + * An object containing settings related to how the language is configured for + * linting. + */ + languageOptions?: LanguageOptions; + /** + * An object containing settings related to the linting process + */ + linterOptions?: LinterOptionsConfig; + /** + * Either an object containing preprocess() and postprocess() methods or a + * string indicating the name of a processor inside of a plugin + * (i.e., "pluginName/processorName"). + */ + processor?: string | Processor; + /** + * An object containing a name-value mapping of plugin names to plugin objects. + * When files is specified, these plugins are only available to the matching files. + */ + plugins?: Record; + /** + * An object containing the configured rules. When files or ignores are specified, + * these rule configurations are only available to the matching files. + */ + rules?: Partial; + /** + * An object containing name-value pairs of information that should be + * available to all rules. + */ + settings?: Record; +} +/** @deprecated Only supported in legacy eslintrc config format. */ +export type GlobalAccess = boolean | "off" | "readable" | "readonly" | "writable" | "writeable"; +/** @deprecated Only supported in legacy eslintrc config format. */ +export interface GlobalsConfig { + [name: string]: GlobalAccess; +} +/** + * The ECMAScript version of the code being linted. + * @deprecated Only supported in legacy eslintrc config format. + */ +export type EcmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | "latest"; +/** + * The type of JavaScript source code. + * @deprecated Only supported in legacy eslintrc config format. + */ +export type JavaScriptSourceType = "script" | "module" | "commonjs"; +/** + * Parser options. + * @deprecated Only supported in legacy eslintrc config format. + * @see [Specifying Parser Options](https://eslint.org/docs/latest/use/configure/language-options#specifying-parser-options) + */ +export interface JavaScriptParserOptionsConfig { + /** + * Allow the use of reserved words as identifiers (if `ecmaVersion` is 3). + * + * @default false + */ + allowReserved?: boolean | undefined; + /** + * Accepts any valid ECMAScript version number or `'latest'`: + * + * - A version: es3, es5, es6, es7, es8, es9, es10, es11, es12, es13, es14, ..., or + * - A year: es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, ..., or + * - `'latest'` + * + * When it's a version or a year, the value must be a number - so do not include the `es` prefix. + * + * Specifies the version of ECMAScript syntax you want to use. This is used by the parser to determine how to perform scope analysis, and it affects the default + * + * @default 5 + */ + ecmaVersion?: EcmaVersion | undefined; + /** + * The type of JavaScript source code. Possible values are "script" for + * traditional script files, "module" for ECMAScript modules (ESM), and + * "commonjs" for CommonJS files. + * + * @default 'script' + * + * @see https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options + */ + sourceType?: JavaScriptSourceType | undefined; + /** + * An object indicating which additional language features you'd like to use. + * + * @see https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options + */ + ecmaFeatures?: { + globalReturn?: boolean | undefined; + impliedStrict?: boolean | undefined; + jsx?: boolean | undefined; + experimentalObjectRestSpread?: boolean | undefined; + [key: string]: any; + } | undefined; + [key: string]: any; +} +/** @deprecated Only supported in legacy eslintrc config format. */ +export interface EnvironmentConfig { + /** The definition of global variables. */ + globals?: GlobalsConfig | undefined; + /** The parser options that will be enabled under this environment. */ + parserOptions?: JavaScriptParserOptionsConfig | undefined; +} +/** + * A configuration object that may have a `rules` block. + */ +export interface HasRules { + rules?: Partial | undefined; +} +/** + * ESLint legacy configuration. + * + * @see [ESLint Legacy Configuration](https://eslint.org/docs/latest/use/configure/) + */ +export interface BaseConfig extends HasRules { + $schema?: string | undefined; + /** + * An environment provides predefined global variables. + * + * @see [Environments](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-environments) + */ + env?: { + [name: string]: boolean; + } | undefined; + /** + * Extending configuration files. + * + * @see [Extends](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#extending-configuration-files) + */ + extends?: string | string[] | undefined; + /** + * Specifying globals. + * + * @see [Globals](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-globals) + */ + globals?: GlobalsConfig | undefined; + /** + * Disable processing of inline comments. + * + * @see [Disabling Inline Comments](https://eslint.org/docs/latest/use/configure/rules-deprecated#disabling-inline-comments) + */ + noInlineConfig?: boolean | undefined; + /** + * Overrides can be used to use a differing configuration for matching sub-directories and files. + * + * @see [How do overrides work](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#how-do-overrides-work) + */ + overrides?: ConfigOverride[] | undefined; + /** + * Parser. + * + * @see [Working with Custom Parsers](https://eslint.org/docs/latest/extend/custom-parsers) + * @see [Specifying Parser](https://eslint.org/docs/latest/use/configure/parser-deprecated) + */ + parser?: string | undefined; + /** + * Parser options. + * + * @see [Working with Custom Parsers](https://eslint.org/docs/latest/extend/custom-parsers) + * @see [Specifying Parser Options](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options) + */ + parserOptions?: JavaScriptParserOptionsConfig | undefined; + /** + * Which third-party plugins define additional rules, environments, configs, etc. for ESLint to use. + * + * @see [Configuring Plugins](https://eslint.org/docs/latest/use/configure/plugins-deprecated#configure-plugins) + */ + plugins?: string[] | undefined; + /** + * Specifying processor. + * + * @see [processor](https://eslint.org/docs/latest/use/configure/plugins-deprecated#specify-a-processor) + */ + processor?: string | undefined; + /** + * Report unused eslint-disable comments as warning. + * + * @see [Report unused eslint-disable comments](https://eslint.org/docs/latest/use/configure/rules-deprecated#report-unused-eslint-disable-comments) + */ + reportUnusedDisableDirectives?: boolean | undefined; + /** + * Settings. + * + * @see [Settings](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#adding-shared-settings) + */ + settings?: SettingsConfig | undefined; +} +/** + * The overwrites that apply more differing configuration to specific files or directories. + */ +export interface ConfigOverride extends BaseConfig { + /** + * The glob patterns for excluded files. + */ + excludedFiles?: string | string[] | undefined; + /** + * The glob patterns for target files. + */ + files: string | string[]; +} +/** + * ESLint legacy configuration. + * + * @see [ESLint Legacy Configuration](https://eslint.org/docs/latest/use/configure/) + */ +export interface LegacyConfigObject extends BaseConfig { + /** + * Tell ESLint to ignore specific files and directories. + * + * @see [Ignore Patterns](https://eslint.org/docs/latest/use/configure/ignore-deprecated#ignorepatterns-in-config-files) + */ + ignorePatterns?: string | string[] | undefined; + /** + * @see [Using Configuration Files](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#using-configuration-files) + */ + root?: boolean | undefined; +} +/** + * File information passed to a processor. + */ +export interface ProcessorFile { + text: string; + filename: string; +} +/** + * A processor is an object that can preprocess and postprocess files. + */ +export interface Processor extends ObjectMetaProperties { + /** If `true` then it means the processor supports autofix. */ + supportsAutofix?: boolean | undefined; + /** The function to extract code blocks. */ + preprocess?(text: string, filename: string): T[]; + /** The function to merge messages. */ + postprocess?(messages: LintMessage[][], filename: string): LintMessage[]; +} +export interface Plugin extends ObjectMetaProperties { + meta?: ObjectMetaProperties["meta"] & { + namespace?: string | undefined; + }; + configs?: Record | undefined; + environments?: Record | undefined; + languages?: Record | undefined; + processors?: Record | undefined; + rules?: Record | undefined; +} +/** + * Generic options for the `Language` type. + */ +export interface LanguageTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RootNode: unknown; + Node: unknown; +} +/** + * Represents a plugin language. + */ +export interface Language { + /** + * Indicates how ESLint should read the file. + */ + fileType: "text"; + /** + * First line number returned from the parser (text mode only). + */ + lineStart: 0 | 1; + /** + * First column number returned from the parser (text mode only). + */ + columnStart: 0 | 1; + /** + * The property to read the node type from. Used in selector querying. + */ + nodeTypeKey: string; + /** + * The traversal path that tools should take when evaluating the AST + */ + visitorKeys?: Record; + /** + * Default language options. User-defined options are merged with this object. + */ + defaultLanguageOptions?: LanguageOptions; + /** + * Validates languageOptions for this language. + */ + validateLanguageOptions(languageOptions: Options["LangOptions"]): void; + /** + * Normalizes languageOptions for this language. + */ + normalizeLanguageOptions?(languageOptions: Options["LangOptions"]): Options["LangOptions"]; + /** + * Helper for esquery that allows languages to match nodes against + * class. esquery currently has classes like `function` that will + * match all the various function nodes. This method allows languages + * to implement similar shorthands. + */ + matchesSelectorClass?(className: string, node: Options["Node"], ancestry: Options["Node"][]): boolean; + /** + * Parses the given file input into its component parts. This file should not + * throws errors for parsing errors but rather should return any parsing + * errors as parse of the ParseResult object. + */ + parse(file: File, context: LanguageContext): ParseResult; + /** + * Creates SourceCode object that ESLint uses to work with a file. + */ + createSourceCode(file: File, input: OkParseResult, context: LanguageContext): Options["Code"]; +} +/** + * Plugin-defined options for the language. + */ +export type LanguageOptions = Record; +/** + * The context object that is passed to the language plugin methods. + */ +export interface LanguageContext { + languageOptions: LangOptions; +} +/** + * Represents a file read by ESLint. + */ +export interface File { + /** + * The path that ESLint uses for this file. May be a virtual path + * if it was returned by a processor. + */ + path: string; + /** + * The path to the file on disk. This always maps directly to a file + * regardless of whether it was returned from a processor. + */ + physicalPath: string; + /** + * Indicates if the original source contained a byte-order marker. + * ESLint strips the BOM from the `body`, but this info is needed + * to correctly apply autofixing. + */ + bom: boolean; + /** + * The body of the file to parse. + */ + body: string | Uint8Array; +} +/** + * Represents the successful result of parsing a file. + */ +export interface OkParseResult { + /** + * Indicates if the parse was successful. If true, the parse was successful + * and ESLint should continue on to create a SourceCode object and run rules; + * if false, ESLint should just report the error(s) without doing anything + * else. + */ + ok: true; + /** + * The abstract syntax tree created by the parser. (only when ok: true) + */ + ast: RootNode; + /** + * Any additional data that the parser wants to provide. + */ + [key: string]: any; +} +/** + * Represents the unsuccessful result of parsing a file. + */ +export interface NotOkParseResult { + /** + * Indicates if the parse was successful. If true, the parse was successful + * and ESLint should continue on to create a SourceCode object and run rules; + * if false, ESLint should just report the error(s) without doing anything + * else. + */ + ok: false; + /** + * Any parsing errors, whether fatal or not. (only when ok: false) + */ + errors: FileError[]; + /** + * Any additional data that the parser wants to provide. + */ + [key: string]: any; +} +export type ParseResult = OkParseResult | NotOkParseResult; +/** + * Represents inline configuration found in the source code. + */ +interface InlineConfigElement { + /** + * The location of the inline config element. + */ + loc: SourceLocation; + /** + * The interpreted configuration from the inline config element. + */ + config: { + rules: RulesConfig; + }; +} +/** + * Generic options for the `SourceCodeBase` type. + */ +export interface SourceCodeBaseTypeOptions { + LangOptions: LanguageOptions; + RootNode: unknown; + SyntaxElementWithLoc: unknown; + ConfigNode: unknown; +} +/** + * Represents the basic interface for a source code object. + */ +interface SourceCodeBase { + /** + * Root of the AST. + */ + ast: Options["RootNode"]; + /** + * The traversal path that tools should take when evaluating the AST. + * When present, this overrides the `visitorKeys` on the language for + * just this source code object. + */ + visitorKeys?: Record; + /** + * Retrieves the equivalent of `loc` for a given node or token. + * @param syntaxElement The node or token to get the location for. + * @returns The location of the node or token. + */ + getLoc(syntaxElement: Options["SyntaxElementWithLoc"]): SourceLocation; + /** + * Retrieves the equivalent of `range` for a given node or token. + * @param syntaxElement The node or token to get the range for. + * @returns The range of the node or token. + */ + getRange(syntaxElement: Options["SyntaxElementWithLoc"]): SourceRange; + /** + * Traversal of AST. + */ + traverse(): Iterable; + /** + * Applies language options passed in from the ESLint core. + */ + applyLanguageOptions?(languageOptions: Options["LangOptions"]): void; + /** + * Return all of the inline areas where ESLint should be disabled/enabled + * along with any problems found in evaluating the directives. + */ + getDisableDirectives?(): { + directives: Directive[]; + problems: FileProblem[]; + }; + /** + * Returns an array of all inline configuration nodes found in the + * source code. + */ + getInlineConfigNodes?(): Options["ConfigNode"][]; + /** + * Applies configuration found inside of the source code. This method is only + * called when ESLint is running with inline configuration allowed. + */ + applyInlineConfig?(): { + configs: InlineConfigElement[]; + problems: FileProblem[]; + }; + /** + * Called by ESLint core to indicate that it has finished providing + * information. We now add in all the missing variables and ensure that + * state-changing methods cannot be called by rules. + * @returns {void} + */ + finalize?(): void; +} +/** + * Represents the source of a text file being linted. + */ +export interface TextSourceCode extends SourceCodeBase { + /** + * The body of the file that you'd like rule developers to access. + */ + text: string; +} +/** + * Represents the source of a binary file being linted. + */ +export interface BinarySourceCode extends SourceCodeBase { + /** + * The body of the file that you'd like rule developers to access. + */ + body: Uint8Array; +} +export type SourceCode = TextSourceCode | BinarySourceCode; +/** + * Represents a traversal step visiting the AST. + */ +export interface VisitTraversalStep { + kind: 1; + target: unknown; + phase: 1 | 2; + args: unknown[]; +} +/** + * Represents a traversal step calling a function. + */ +export interface CallTraversalStep { + kind: 2; + target: string; + phase?: string; + args: unknown[]; +} +export type TraversalStep = VisitTraversalStep | CallTraversalStep; +/** + * The type of disable directive. This determines how ESLint will disable rules. + */ +export type DirectiveType = "disable" | "enable" | "disable-line" | "disable-next-line"; +/** + * Represents a disable directive. + */ +export interface Directive { + /** + * The type of directive. + */ + type: DirectiveType; + /** + * The node of the directive. May be in the AST or a comment/token. + */ + node: unknown; + /** + * The value of the directive. + */ + value: string; + /** + * The justification for the directive. + */ + justification?: string; +} +export {}; diff --git a/node_modules/@eslint/core/dist/esm/types.d.ts b/node_modules/@eslint/core/dist/esm/types.d.ts new file mode 100644 index 000000000..3fa4bebc1 --- /dev/null +++ b/node_modules/@eslint/core/dist/esm/types.d.ts @@ -0,0 +1,1179 @@ +/** + * @fileoverview Shared types for ESLint Core. + */ +import type { JSONSchema4 } from "json-schema"; +/** + * Represents an error inside of a file. + */ +export interface FileError { + message: string; + line: number; + column: number; + endLine?: number; + endColumn?: number; +} +/** + * Represents a problem found in a file. + */ +export interface FileProblem { + ruleId: string | null; + message: string; + loc: SourceLocation; +} +/** + * Represents the start and end coordinates of a node inside the source. + */ +export interface SourceLocation { + start: Position; + end: Position; +} +/** + * Represents the start and end coordinates of a node inside the source with an offset. + */ +export interface SourceLocationWithOffset { + start: PositionWithOffset; + end: PositionWithOffset; +} +/** + * Represents a location coordinate inside the source. ESLint-style formats + * have just `line` and `column` while others may have `offset` as well. + */ +export interface Position { + line: number; + column: number; +} +/** + * Represents a location coordinate inside the source with an offset. + */ +export interface PositionWithOffset extends Position { + offset: number; +} +/** + * Represents a range of characters in the source. + */ +export type SourceRange = [number, number]; +/** + * What the rule is responsible for finding: + * - `problem` means the rule has noticed a potential error. + * - `suggestion` means the rule suggests an alternate or better approach. + * - `layout` means the rule is looking at spacing, indentation, etc. + */ +export type RuleType = "problem" | "suggestion" | "layout"; +/** + * The type of fix the rule can provide: + * - `code` means the rule can fix syntax. + * - `whitespace` means the rule can fix spacing and indentation. + */ +export type RuleFixType = "code" | "whitespace"; +/** + * An object containing visitor information for a rule. Each method is either the + * name of a node type or a selector, or is a method that will be called at specific + * times during the traversal. + */ +export type RuleVisitor = Record void) | undefined>; +/** + * Rule meta information used for documentation. + */ +export interface RulesMetaDocs { + /** + * A short description of the rule. + */ + description?: string | undefined; + /** + * The URL to the documentation for the rule. + */ + url?: string | undefined; + /** + * The category the rule falls under. + * @deprecated No longer used. + */ + category?: string | undefined; + /** + * Indicates if the rule is generally recommended for all users. + * + * Note - this will always be a boolean for core rules, but may be used in any way by plugins. + */ + recommended?: unknown; + /** + * Indicates if the rule is frozen (no longer accepting feature requests). + */ + frozen?: boolean | undefined; +} +/** + * Meta information about a rule. + */ +export interface RulesMeta { + /** + * Properties that are used when documenting the rule. + */ + docs?: (RulesMetaDocs & ExtRuleDocs) | undefined; + /** + * The type of rule. + */ + type?: RuleType | undefined; + /** + * The schema for the rule options. Required if the rule has options. + */ + schema?: JSONSchema4 | JSONSchema4[] | false | undefined; + /** + * Any default options to be recursively merged on top of any user-provided options. + */ + defaultOptions?: RuleOptions; + /** + * The messages that the rule can report. + */ + messages?: Record; + /** + * Indicates whether the rule has been deprecated or provides additional metadata about the deprecation. Omit if not deprecated. + */ + deprecated?: boolean | DeprecatedInfo | undefined; + /** + * @deprecated Use deprecated.replacedBy instead. + * The name of the rule(s) this rule was replaced by, if it was deprecated. + */ + replacedBy?: readonly string[] | undefined; + /** + * Indicates if the rule is fixable, and if so, what type of fix it provides. + */ + fixable?: RuleFixType | undefined; + /** + * Indicates if the rule may provide suggestions. + */ + hasSuggestions?: boolean | undefined; + /** + * The language the rule is intended to lint. + */ + language?: string; + /** + * The dialects of `language` that the rule is intended to lint. + */ + dialects?: string[]; +} +/** + * Provides additional metadata about a deprecation. + */ +export interface DeprecatedInfo { + /** + * General message presented to the user, e.g. for the key rule why the rule + * is deprecated or for info how to replace the rule. + */ + message?: string; + /** + * URL to more information about this deprecation in general. + */ + url?: string; + /** + * An empty array explicitly states that there is no replacement. + */ + replacedBy?: ReplacedByInfo[]; + /** + * The package version since when the rule is deprecated (should use full + * semver without a leading "v"). + */ + deprecatedSince?: string; + /** + * The estimated version when the rule is removed (probably the next major + * version). null means the rule is "frozen" (will be available but will not + * be changed). + */ + availableUntil?: string | null; +} +/** + * Provides metadata about a replacement + */ +export interface ReplacedByInfo { + /** + * General message presented to the user, e.g. how to replace the rule + */ + message?: string; + /** + * URL to more information about this replacement in general + */ + url?: string; + /** + * Name should be "eslint" if the replacement is an ESLint core rule. Omit + * the property if the replacement is in the same plugin. + */ + plugin?: ExternalSpecifier; + /** + * Name and documentation of the replacement rule + */ + rule?: ExternalSpecifier; +} +/** + * Specifies the name and url of an external resource. At least one property + * should be set. + */ +export interface ExternalSpecifier { + /** + * Name of the referenced plugin / rule. + */ + name?: string; + /** + * URL pointing to documentation for the plugin / rule. + */ + url?: string; +} +/** + * Generic type for `RuleContext`. + */ +export interface RuleContextTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RuleOptions: unknown[]; + Node: unknown; + MessageIds: string; +} +/** + * Represents the context object that is passed to a rule. This object contains + * information about the current state of the linting process and is the rule's + * view into the outside world. + */ +export interface RuleContext { + /** + * The current working directory for the session. + */ + cwd: string; + /** + * Returns the current working directory for the session. + * @deprecated Use `cwd` instead. + */ + getCwd(): string; + /** + * The filename of the file being linted. + */ + filename: string; + /** + * Returns the filename of the file being linted. + * @deprecated Use `filename` instead. + */ + getFilename(): string; + /** + * The physical filename of the file being linted. + */ + physicalFilename: string; + /** + * Returns the physical filename of the file being linted. + * @deprecated Use `physicalFilename` instead. + */ + getPhysicalFilename(): string; + /** + * The source code object that the rule is running on. + */ + sourceCode: Options["Code"]; + /** + * Returns the source code object that the rule is running on. + * @deprecated Use `sourceCode` instead. + */ + getSourceCode(): Options["Code"]; + /** + * Shared settings for the configuration. + */ + settings: SettingsConfig; + /** + * Parser-specific options for the configuration. + * @deprecated Use `languageOptions.parserOptions` instead. + */ + parserOptions: Record; + /** + * The language options for the configuration. + */ + languageOptions: Options["LangOptions"]; + /** + * The CommonJS path to the parser used while parsing this file. + * @deprecated No longer used. + */ + parserPath: string | undefined; + /** + * The rule ID. + */ + id: string; + /** + * The rule's configured options. + */ + options: Options["RuleOptions"]; + /** + * The report function that the rule should use to report problems. + * @param violation The violation to report. + */ + report(violation: ViolationReport): void; +} +/** + * Manager of text edits for a rule fix. + */ +export interface RuleTextEditor { + /** + * Inserts text after the specified node or token. + * @param syntaxElement The node or token to insert after. + * @param text The edit to insert after the node or token. + */ + insertTextAfter(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Inserts text after the specified range. + * @param range The range to insert after. + * @param text The edit to insert after the range. + */ + insertTextAfterRange(range: SourceRange, text: string): RuleTextEdit; + /** + * Inserts text before the specified node or token. + * @param syntaxElement A syntax element with location information to insert before. + * @param text The edit to insert before the node or token. + */ + insertTextBefore(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Inserts text before the specified range. + * @param range The range to insert before. + * @param text The edit to insert before the range. + */ + insertTextBeforeRange(range: SourceRange, text: string): RuleTextEdit; + /** + * Removes the specified node or token. + * @param syntaxElement A syntax element with location information to remove. + * @returns The edit to remove the node or token. + */ + remove(syntaxElement: EditableSyntaxElement): RuleTextEdit; + /** + * Removes the specified range. + * @param range The range to remove. + * @returns The edit to remove the range. + */ + removeRange(range: SourceRange): RuleTextEdit; + /** + * Replaces the specified node or token with the given text. + * @param syntaxElement A syntax element with location information to replace. + * @param text The text to replace the node or token with. + * @returns The edit to replace the node or token. + */ + replaceText(syntaxElement: EditableSyntaxElement, text: string): RuleTextEdit; + /** + * Replaces the specified range with the given text. + * @param range The range to replace. + * @param text The text to replace the range with. + * @returns The edit to replace the range. + */ + replaceTextRange(range: SourceRange, text: string): RuleTextEdit; +} +/** + * Represents a fix for a rule violation implemented as a text edit. + */ +export interface RuleTextEdit { + /** + * The range to replace. + */ + range: SourceRange; + /** + * The text to insert. + */ + text: string; +} +/** + * Fixes a violation. + * @param fixer The text editor to apply the fix. + * @returns The fix(es) for the violation. + */ +export type RuleFixer = (fixer: RuleTextEditor) => RuleTextEdit | Iterable | null; +export interface ViolationReportBase { + /** + * The data to insert into the message. + */ + data?: Record | undefined; + /** + * The fix to be applied for the violation. + */ + fix?: RuleFixer | null | undefined; + /** + * An array of suggested fixes for the problem. These fixes may change the + * behavior of the code, so they are not applied automatically. + */ + suggest?: SuggestedEdit[] | null | undefined; +} +export type ViolationMessage = { + message: string; +} | { + messageId: MessageIds; +}; +export type ViolationLocation = { + loc: SourceLocation | Position; +} | { + node: Node; +}; +export type ViolationReport = ViolationReportBase & ViolationMessage & ViolationLocation; +export interface SuggestedEditBase { + /** + * The data to insert into the message. + */ + data?: Record | undefined; + /** + * The fix to be applied for the suggestion. + */ + fix: RuleFixer; +} +export type SuggestionMessage = { + desc: string; +} | { + messageId: string; +}; +/** + * A suggested edit for a rule violation. + */ +export type SuggestedEdit = SuggestedEditBase & SuggestionMessage; +/** + * The normalized version of a lint suggestion. + */ +export interface LintSuggestion { + /** A short description. */ + desc: string; + /** Fix result info. */ + fix: RuleTextEdit; + /** Id referencing a message for the description. */ + messageId?: string | undefined; +} +/** + * The normalized version of a lint violation message. + */ +export interface LintMessage { + /** The 1-based column number. */ + column: number; + /** The 1-based line number. */ + line: number; + /** The 1-based column number of the end location. */ + endColumn?: number | undefined; + /** The 1-based line number of the end location. */ + endLine?: number | undefined; + /** The ID of the rule which makes this message. */ + ruleId: string | null; + /** The reported message. */ + message: string; + /** The ID of the message in the rule's meta. */ + messageId?: string | undefined; + /** + * Type of node. + * @deprecated `nodeType` is deprecated and will be removed in the next major version. + */ + nodeType?: string | undefined; + /** If `true` then this is a fatal error. */ + fatal?: true | undefined; + /** The severity of this message. */ + severity: Exclude; + /** Information for autofix. */ + fix?: RuleTextEdit | undefined; + /** Information for suggestions. */ + suggestions?: LintSuggestion[] | undefined; +} +/** + * Generic options for the `RuleDefinition` type. + */ +export interface RuleDefinitionTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RuleOptions: unknown[]; + Visitor: RuleVisitor; + Node: unknown; + MessageIds: string; + ExtRuleDocs: unknown; +} +/** + * The definition of an ESLint rule. + */ +export interface RuleDefinition { + /** + * The meta information for the rule. + */ + meta?: RulesMeta; + /** + * Creates the visitor that ESLint uses to apply the rule during traversal. + * @param context The rule context. + * @returns The rule visitor. + */ + create(context: RuleContext<{ + LangOptions: Options["LangOptions"]; + Code: Options["Code"]; + RuleOptions: Options["RuleOptions"]; + Node: Options["Node"]; + MessageIds: Options["MessageIds"]; + }>): Options["Visitor"]; +} +/** + * Defaults for non-language-related `RuleDefinition` options. + */ +export interface CustomRuleTypeDefinitions { + RuleOptions: unknown[]; + MessageIds: string; + ExtRuleDocs: Record; +} +/** + * A helper type to define language specific specializations of the `RuleDefinition` type. + * + * @example + * ```ts + * type YourRuleDefinition< + * Options extends Partial = {}, + * > = CustomRuleDefinitionType< + * { + * LangOptions: YourLanguageOptions; + * Code: YourSourceCode; + * Visitor: YourRuleVisitor; + * Node: YourNode; + * }, + * Options + * >; + * ``` + */ +export type CustomRuleDefinitionType, Options extends Partial> = RuleDefinition>>; +/** + * The human readable severity level used in a configuration. + */ +export type SeverityName = "off" | "warn" | "error"; +/** + * The numeric severity level for a rule. + * + * - `0` means off. + * - `1` means warn. + * - `2` means error. + */ +export type SeverityLevel = 0 | 1 | 2; +/** + * The severity of a rule in a configuration. + */ +export type Severity = SeverityName | SeverityLevel; +/** + * Represents the metadata for an object, such as a plugin or processor. + */ +export interface ObjectMetaProperties { + /** @deprecated Use `meta.name` instead. */ + name?: string | undefined; + /** @deprecated Use `meta.version` instead. */ + version?: string | undefined; + meta?: { + name?: string | undefined; + version?: string | undefined; + }; +} +/** + * Represents the configuration options for the core linter. + */ +export interface LinterOptionsConfig { + /** + * Indicates whether or not inline configuration is evaluated. + */ + noInlineConfig?: boolean; + /** + * Indicates what to do when an unused disable directive is found. + */ + reportUnusedDisableDirectives?: boolean | Severity; + /** + * A severity value indicating if and how unused inline configs should be + * tracked and reported. + */ + reportUnusedInlineConfigs?: Severity; +} +/** + * The configuration for a rule. + */ +export type RuleConfig = Severity | [Severity, ...Partial]; +/** + * A collection of rules and their configurations. + */ +export interface RulesConfig { + [key: string]: RuleConfig; +} +/** + * A collection of settings. + */ +export interface SettingsConfig { + [key: string]: unknown; +} +/** + * The configuration for a set of files. + */ +export interface ConfigObject { + /** + * A string to identify the configuration object. Used in error messages and + * inspection tools. + */ + name?: string; + /** + * Path to the directory where the configuration object should apply. + * `files` and `ignores` patterns in the configuration object are + * interpreted as relative to this path. + */ + basePath?: string; + /** + * An array of glob patterns indicating the files that the configuration + * object should apply to. If not specified, the configuration object applies + * to all files + */ + files?: (string | string[])[]; + /** + * An array of glob patterns indicating the files that the configuration + * object should not apply to. If not specified, the configuration object + * applies to all files matched by files + */ + ignores?: string[]; + /** + * The name of the language used for linting. This is used to determine the + * parser and other language-specific settings. + * @since 9.7.0 + */ + language?: string; + /** + * An object containing settings related to how the language is configured for + * linting. + */ + languageOptions?: LanguageOptions; + /** + * An object containing settings related to the linting process + */ + linterOptions?: LinterOptionsConfig; + /** + * Either an object containing preprocess() and postprocess() methods or a + * string indicating the name of a processor inside of a plugin + * (i.e., "pluginName/processorName"). + */ + processor?: string | Processor; + /** + * An object containing a name-value mapping of plugin names to plugin objects. + * When files is specified, these plugins are only available to the matching files. + */ + plugins?: Record; + /** + * An object containing the configured rules. When files or ignores are specified, + * these rule configurations are only available to the matching files. + */ + rules?: Partial; + /** + * An object containing name-value pairs of information that should be + * available to all rules. + */ + settings?: Record; +} +/** @deprecated Only supported in legacy eslintrc config format. */ +export type GlobalAccess = boolean | "off" | "readable" | "readonly" | "writable" | "writeable"; +/** @deprecated Only supported in legacy eslintrc config format. */ +export interface GlobalsConfig { + [name: string]: GlobalAccess; +} +/** + * The ECMAScript version of the code being linted. + * @deprecated Only supported in legacy eslintrc config format. + */ +export type EcmaVersion = 3 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | "latest"; +/** + * The type of JavaScript source code. + * @deprecated Only supported in legacy eslintrc config format. + */ +export type JavaScriptSourceType = "script" | "module" | "commonjs"; +/** + * Parser options. + * @deprecated Only supported in legacy eslintrc config format. + * @see [Specifying Parser Options](https://eslint.org/docs/latest/use/configure/language-options#specifying-parser-options) + */ +export interface JavaScriptParserOptionsConfig { + /** + * Allow the use of reserved words as identifiers (if `ecmaVersion` is 3). + * + * @default false + */ + allowReserved?: boolean | undefined; + /** + * Accepts any valid ECMAScript version number or `'latest'`: + * + * - A version: es3, es5, es6, es7, es8, es9, es10, es11, es12, es13, es14, ..., or + * - A year: es2015, es2016, es2017, es2018, es2019, es2020, es2021, es2022, es2023, ..., or + * - `'latest'` + * + * When it's a version or a year, the value must be a number - so do not include the `es` prefix. + * + * Specifies the version of ECMAScript syntax you want to use. This is used by the parser to determine how to perform scope analysis, and it affects the default + * + * @default 5 + */ + ecmaVersion?: EcmaVersion | undefined; + /** + * The type of JavaScript source code. Possible values are "script" for + * traditional script files, "module" for ECMAScript modules (ESM), and + * "commonjs" for CommonJS files. + * + * @default 'script' + * + * @see https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options + */ + sourceType?: JavaScriptSourceType | undefined; + /** + * An object indicating which additional language features you'd like to use. + * + * @see https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options + */ + ecmaFeatures?: { + globalReturn?: boolean | undefined; + impliedStrict?: boolean | undefined; + jsx?: boolean | undefined; + experimentalObjectRestSpread?: boolean | undefined; + [key: string]: any; + } | undefined; + [key: string]: any; +} +/** @deprecated Only supported in legacy eslintrc config format. */ +export interface EnvironmentConfig { + /** The definition of global variables. */ + globals?: GlobalsConfig | undefined; + /** The parser options that will be enabled under this environment. */ + parserOptions?: JavaScriptParserOptionsConfig | undefined; +} +/** + * A configuration object that may have a `rules` block. + */ +export interface HasRules { + rules?: Partial | undefined; +} +/** + * ESLint legacy configuration. + * + * @see [ESLint Legacy Configuration](https://eslint.org/docs/latest/use/configure/) + */ +export interface BaseConfig extends HasRules { + $schema?: string | undefined; + /** + * An environment provides predefined global variables. + * + * @see [Environments](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-environments) + */ + env?: { + [name: string]: boolean; + } | undefined; + /** + * Extending configuration files. + * + * @see [Extends](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#extending-configuration-files) + */ + extends?: string | string[] | undefined; + /** + * Specifying globals. + * + * @see [Globals](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-globals) + */ + globals?: GlobalsConfig | undefined; + /** + * Disable processing of inline comments. + * + * @see [Disabling Inline Comments](https://eslint.org/docs/latest/use/configure/rules-deprecated#disabling-inline-comments) + */ + noInlineConfig?: boolean | undefined; + /** + * Overrides can be used to use a differing configuration for matching sub-directories and files. + * + * @see [How do overrides work](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#how-do-overrides-work) + */ + overrides?: ConfigOverride[] | undefined; + /** + * Parser. + * + * @see [Working with Custom Parsers](https://eslint.org/docs/latest/extend/custom-parsers) + * @see [Specifying Parser](https://eslint.org/docs/latest/use/configure/parser-deprecated) + */ + parser?: string | undefined; + /** + * Parser options. + * + * @see [Working with Custom Parsers](https://eslint.org/docs/latest/extend/custom-parsers) + * @see [Specifying Parser Options](https://eslint.org/docs/latest/use/configure/language-options-deprecated#specifying-parser-options) + */ + parserOptions?: JavaScriptParserOptionsConfig | undefined; + /** + * Which third-party plugins define additional rules, environments, configs, etc. for ESLint to use. + * + * @see [Configuring Plugins](https://eslint.org/docs/latest/use/configure/plugins-deprecated#configure-plugins) + */ + plugins?: string[] | undefined; + /** + * Specifying processor. + * + * @see [processor](https://eslint.org/docs/latest/use/configure/plugins-deprecated#specify-a-processor) + */ + processor?: string | undefined; + /** + * Report unused eslint-disable comments as warning. + * + * @see [Report unused eslint-disable comments](https://eslint.org/docs/latest/use/configure/rules-deprecated#report-unused-eslint-disable-comments) + */ + reportUnusedDisableDirectives?: boolean | undefined; + /** + * Settings. + * + * @see [Settings](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#adding-shared-settings) + */ + settings?: SettingsConfig | undefined; +} +/** + * The overwrites that apply more differing configuration to specific files or directories. + */ +export interface ConfigOverride extends BaseConfig { + /** + * The glob patterns for excluded files. + */ + excludedFiles?: string | string[] | undefined; + /** + * The glob patterns for target files. + */ + files: string | string[]; +} +/** + * ESLint legacy configuration. + * + * @see [ESLint Legacy Configuration](https://eslint.org/docs/latest/use/configure/) + */ +export interface LegacyConfigObject extends BaseConfig { + /** + * Tell ESLint to ignore specific files and directories. + * + * @see [Ignore Patterns](https://eslint.org/docs/latest/use/configure/ignore-deprecated#ignorepatterns-in-config-files) + */ + ignorePatterns?: string | string[] | undefined; + /** + * @see [Using Configuration Files](https://eslint.org/docs/latest/use/configure/configuration-files-deprecated#using-configuration-files) + */ + root?: boolean | undefined; +} +/** + * File information passed to a processor. + */ +export interface ProcessorFile { + text: string; + filename: string; +} +/** + * A processor is an object that can preprocess and postprocess files. + */ +export interface Processor extends ObjectMetaProperties { + /** If `true` then it means the processor supports autofix. */ + supportsAutofix?: boolean | undefined; + /** The function to extract code blocks. */ + preprocess?(text: string, filename: string): T[]; + /** The function to merge messages. */ + postprocess?(messages: LintMessage[][], filename: string): LintMessage[]; +} +export interface Plugin extends ObjectMetaProperties { + meta?: ObjectMetaProperties["meta"] & { + namespace?: string | undefined; + }; + configs?: Record | undefined; + environments?: Record | undefined; + languages?: Record | undefined; + processors?: Record | undefined; + rules?: Record | undefined; +} +/** + * Generic options for the `Language` type. + */ +export interface LanguageTypeOptions { + LangOptions: LanguageOptions; + Code: SourceCode; + RootNode: unknown; + Node: unknown; +} +/** + * Represents a plugin language. + */ +export interface Language { + /** + * Indicates how ESLint should read the file. + */ + fileType: "text"; + /** + * First line number returned from the parser (text mode only). + */ + lineStart: 0 | 1; + /** + * First column number returned from the parser (text mode only). + */ + columnStart: 0 | 1; + /** + * The property to read the node type from. Used in selector querying. + */ + nodeTypeKey: string; + /** + * The traversal path that tools should take when evaluating the AST + */ + visitorKeys?: Record; + /** + * Default language options. User-defined options are merged with this object. + */ + defaultLanguageOptions?: LanguageOptions; + /** + * Validates languageOptions for this language. + */ + validateLanguageOptions(languageOptions: Options["LangOptions"]): void; + /** + * Normalizes languageOptions for this language. + */ + normalizeLanguageOptions?(languageOptions: Options["LangOptions"]): Options["LangOptions"]; + /** + * Helper for esquery that allows languages to match nodes against + * class. esquery currently has classes like `function` that will + * match all the various function nodes. This method allows languages + * to implement similar shorthands. + */ + matchesSelectorClass?(className: string, node: Options["Node"], ancestry: Options["Node"][]): boolean; + /** + * Parses the given file input into its component parts. This file should not + * throws errors for parsing errors but rather should return any parsing + * errors as parse of the ParseResult object. + */ + parse(file: File, context: LanguageContext): ParseResult; + /** + * Creates SourceCode object that ESLint uses to work with a file. + */ + createSourceCode(file: File, input: OkParseResult, context: LanguageContext): Options["Code"]; +} +/** + * Plugin-defined options for the language. + */ +export type LanguageOptions = Record; +/** + * The context object that is passed to the language plugin methods. + */ +export interface LanguageContext { + languageOptions: LangOptions; +} +/** + * Represents a file read by ESLint. + */ +export interface File { + /** + * The path that ESLint uses for this file. May be a virtual path + * if it was returned by a processor. + */ + path: string; + /** + * The path to the file on disk. This always maps directly to a file + * regardless of whether it was returned from a processor. + */ + physicalPath: string; + /** + * Indicates if the original source contained a byte-order marker. + * ESLint strips the BOM from the `body`, but this info is needed + * to correctly apply autofixing. + */ + bom: boolean; + /** + * The body of the file to parse. + */ + body: string | Uint8Array; +} +/** + * Represents the successful result of parsing a file. + */ +export interface OkParseResult { + /** + * Indicates if the parse was successful. If true, the parse was successful + * and ESLint should continue on to create a SourceCode object and run rules; + * if false, ESLint should just report the error(s) without doing anything + * else. + */ + ok: true; + /** + * The abstract syntax tree created by the parser. (only when ok: true) + */ + ast: RootNode; + /** + * Any additional data that the parser wants to provide. + */ + [key: string]: any; +} +/** + * Represents the unsuccessful result of parsing a file. + */ +export interface NotOkParseResult { + /** + * Indicates if the parse was successful. If true, the parse was successful + * and ESLint should continue on to create a SourceCode object and run rules; + * if false, ESLint should just report the error(s) without doing anything + * else. + */ + ok: false; + /** + * Any parsing errors, whether fatal or not. (only when ok: false) + */ + errors: FileError[]; + /** + * Any additional data that the parser wants to provide. + */ + [key: string]: any; +} +export type ParseResult = OkParseResult | NotOkParseResult; +/** + * Represents inline configuration found in the source code. + */ +interface InlineConfigElement { + /** + * The location of the inline config element. + */ + loc: SourceLocation; + /** + * The interpreted configuration from the inline config element. + */ + config: { + rules: RulesConfig; + }; +} +/** + * Generic options for the `SourceCodeBase` type. + */ +export interface SourceCodeBaseTypeOptions { + LangOptions: LanguageOptions; + RootNode: unknown; + SyntaxElementWithLoc: unknown; + ConfigNode: unknown; +} +/** + * Represents the basic interface for a source code object. + */ +interface SourceCodeBase { + /** + * Root of the AST. + */ + ast: Options["RootNode"]; + /** + * The traversal path that tools should take when evaluating the AST. + * When present, this overrides the `visitorKeys` on the language for + * just this source code object. + */ + visitorKeys?: Record; + /** + * Retrieves the equivalent of `loc` for a given node or token. + * @param syntaxElement The node or token to get the location for. + * @returns The location of the node or token. + */ + getLoc(syntaxElement: Options["SyntaxElementWithLoc"]): SourceLocation; + /** + * Retrieves the equivalent of `range` for a given node or token. + * @param syntaxElement The node or token to get the range for. + * @returns The range of the node or token. + */ + getRange(syntaxElement: Options["SyntaxElementWithLoc"]): SourceRange; + /** + * Traversal of AST. + */ + traverse(): Iterable; + /** + * Applies language options passed in from the ESLint core. + */ + applyLanguageOptions?(languageOptions: Options["LangOptions"]): void; + /** + * Return all of the inline areas where ESLint should be disabled/enabled + * along with any problems found in evaluating the directives. + */ + getDisableDirectives?(): { + directives: Directive[]; + problems: FileProblem[]; + }; + /** + * Returns an array of all inline configuration nodes found in the + * source code. + */ + getInlineConfigNodes?(): Options["ConfigNode"][]; + /** + * Applies configuration found inside of the source code. This method is only + * called when ESLint is running with inline configuration allowed. + */ + applyInlineConfig?(): { + configs: InlineConfigElement[]; + problems: FileProblem[]; + }; + /** + * Called by ESLint core to indicate that it has finished providing + * information. We now add in all the missing variables and ensure that + * state-changing methods cannot be called by rules. + * @returns {void} + */ + finalize?(): void; +} +/** + * Represents the source of a text file being linted. + */ +export interface TextSourceCode extends SourceCodeBase { + /** + * The body of the file that you'd like rule developers to access. + */ + text: string; +} +/** + * Represents the source of a binary file being linted. + */ +export interface BinarySourceCode extends SourceCodeBase { + /** + * The body of the file that you'd like rule developers to access. + */ + body: Uint8Array; +} +export type SourceCode = TextSourceCode | BinarySourceCode; +/** + * Represents a traversal step visiting the AST. + */ +export interface VisitTraversalStep { + kind: 1; + target: unknown; + phase: 1 | 2; + args: unknown[]; +} +/** + * Represents a traversal step calling a function. + */ +export interface CallTraversalStep { + kind: 2; + target: string; + phase?: string; + args: unknown[]; +} +export type TraversalStep = VisitTraversalStep | CallTraversalStep; +/** + * The type of disable directive. This determines how ESLint will disable rules. + */ +export type DirectiveType = "disable" | "enable" | "disable-line" | "disable-next-line"; +/** + * Represents a disable directive. + */ +export interface Directive { + /** + * The type of directive. + */ + type: DirectiveType; + /** + * The node of the directive. May be in the AST or a comment/token. + */ + node: unknown; + /** + * The value of the directive. + */ + value: string; + /** + * The justification for the directive. + */ + justification?: string; +} +export {}; diff --git a/node_modules/@eslint/core/package.json b/node_modules/@eslint/core/package.json new file mode 100644 index 000000000..d2f470bbf --- /dev/null +++ b/node_modules/@eslint/core/package.json @@ -0,0 +1,49 @@ +{ + "name": "@eslint/core", + "version": "0.17.0", + "description": "Runtime-agnostic core of ESLint", + "type": "module", + "types": "./dist/esm/types.d.ts", + "exports": { + "types": { + "import": "./dist/esm/types.d.ts", + "require": "./dist/cjs/types.d.cts" + } + }, + "files": [ + "dist" + ], + "publishConfig": { + "access": "public" + }, + "scripts": { + "build:cts": "node -e \"fs.cpSync('dist/esm/types.d.ts', 'dist/cjs/types.d.cts')\"", + "build": "tsc && npm run build:cts", + "test:jsr": "npx jsr@latest publish --dry-run", + "test:types": "tsc -p tests/types/tsconfig.json" + }, + "repository": { + "type": "git", + "url": "git+https://github.com/eslint/rewrite.git", + "directory": "packages/core" + }, + "keywords": [ + "eslint", + "core" + ], + "author": "Nicholas C. Zakas", + "license": "Apache-2.0", + "bugs": { + "url": "https://github.com/eslint/rewrite/issues" + }, + "homepage": "https://github.com/eslint/rewrite/tree/main/packages/core#readme", + "dependencies": { + "@types/json-schema": "^7.0.15" + }, + "devDependencies": { + "json-schema": "^0.4.0" + }, + "engines": { + "node": "^18.18.0 || ^20.9.0 || >=21.1.0" + } +} diff --git a/node_modules/@eslint/css-tree/LICENSE b/node_modules/@eslint/css-tree/LICENSE new file mode 100644 index 000000000..03a29c1f9 --- /dev/null +++ b/node_modules/@eslint/css-tree/LICENSE @@ -0,0 +1,20 @@ +Copyright (C) 2016-2024 by Roman Dvornov +Copyright OpenJS Foundation and other contributors, + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/node_modules/@eslint/css-tree/README.md b/node_modules/@eslint/css-tree/README.md new file mode 100644 index 000000000..50eda9aa5 --- /dev/null +++ b/node_modules/@eslint/css-tree/README.md @@ -0,0 +1,194 @@ +CSSTree logo + +# CSSTree (ESLint Fork) + +CSSTree is a tool set for CSS: [fast](https://github.com/postcss/benchmark) detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations. The main goal is to be efficient and W3C spec compliant, with focus on CSS analyzing and source-to-source transforming tasks. + +## Features + +- **Detailed parsing with an adjustable level of detail** + + By default CSSTree parses CSS as detailed as possible, i.e. each single logical part is representing with its own AST node (see [AST format](docs/ast.md) for all possible node types). The parsing detail level can be changed through [parser options](docs/parsing.md#parsesource-options), for example, you can disable parsing of selectors or declaration values for component parts. + +- **Tolerant to errors by design** + + Parser behaves as [spec says](https://www.w3.org/TR/css-syntax-3/#error-handling): "When errors occur in CSS, the parser attempts to recover gracefully, throwing away only the minimum amount of content before returning to parsing as normal". The only thing the parser departs from the specification is that it doesn't throw away bad content, but wraps it in a special node type (`Raw`) that allows processing it later. + +- **Fast and efficient** + + CSSTree is created with focus on performance and effective memory consumption. Therefore it's [one of the fastest CSS parsers](https://github.com/postcss/benchmark) at the moment. + +- **Syntax validation** + + The built-in lexer can test CSS against syntaxes defined by W3C. CSSTree uses [mdn/data](https://github.com/mdn/data/) as a basis for lexer's dictionaries and extends it with vendor specific and legacy syntaxes. Lexer can only check the declaration values and at-rules currently, but this feature will be extended to other parts of the CSS in the future. + +## Projects using CSSTree + +- [Svelte](https://github.com/sveltejs/svelte) – Cybernetically enhanced web apps +- [SVGO](https://github.com/svg/svgo) – Node.js tool for optimizing SVG files +- [CSSO](https://github.com/css/csso) – CSS minifier with structural optimizations +- [NativeScript](https://github.com/NativeScript/NativeScript) – NativeScript empowers you to access native APIs from JavaScript directly +- [react-native-svg](https://github.com/react-native-svg/react-native-svg) – SVG library for React Native, React Native Web, and plain React web projects +- [penthouse](https://github.com/pocketjoso/penthouse) – Critical Path CSS Generator +- [Bit](https://github.com/teambit/bit) – Bit is the platform for collaborating on components +- and more... + +## Documentation + +- [AST format](docs/ast.md) +- [Parsing CSS → AST](docs/parsing.md) + - [parse(source[, options])](docs/parsing.md#parsesource-options) +- [Serialization AST → CSS](docs/generate.md) + - [generate(ast[, options])](docs/generate.md#generateast-options) +- [AST traversal](docs/traversal.md) + - [walk(ast, options)](docs/traversal.md#walkast-options) + - [find(ast, fn)](docs/traversal.md#findast-fn) + - [findLast(ast, fn)](docs/traversal.md#findlastast-fn) + - [findAll(ast, fn)](docs/traversal.md#findallast-fn) +- [Util functions](docs/utils.md) + - Value encoding & decoding + - [property(name)](docs/utils.md#propertyname) + - [keyword(name)](docs/utils.md#keywordname) + - [ident](docs/utils.md#ident) + - [string](docs/utils.md#string) + - [url](docs/utils.md#url) + - [List class](docs/list.md) + - AST transforming + - [clone(ast)](docs/utils.md#cloneast) + - [fromPlainObject(object)](docs/utils.md#fromplainobjectobject) + - [toPlainObject(ast)](docs/utils.md#toplainobjectast) +- [Value Definition Syntax](docs/definition-syntax.md) + - [parse(source)](docs/definition-syntax.md#parsesource) + - [walk(node, options, context)](docs/definition-syntax.md#walknode-options-context) + - [generate(node, options)](docs/definition-syntax.md#generatenode-options) + - [AST format](docs/definition-syntax.md#ast-format) + +## Tools + +* [AST Explorer](https://astexplorer.net/#/gist/244e2fb4da940df52bf0f4b94277db44/e79aff44611020b22cfd9708f3a99ce09b7d67a8) – explore CSSTree AST format with zero setup +* [CSS syntax reference](https://csstree.github.io/docs/syntax.html) +* [CSS syntax validator](https://csstree.github.io/docs/validator.html) + +## Related projects + +* [csstree-validator](https://github.com/csstree/validator) – NPM package to validate CSS +* [stylelint-csstree-validator](https://github.com/csstree/stylelint-validator) – plugin for stylelint to validate CSS +* [Grunt plugin](https://github.com/sergejmueller/grunt-csstree-validator) +* [Gulp plugin](https://github.com/csstree/gulp-csstree) +* [Sublime plugin](https://github.com/csstree/SublimeLinter-contrib-csstree) +* [VS Code plugin](https://github.com/csstree/vscode-plugin) +* [Atom plugin](https://github.com/csstree/atom-plugin) + +## Usage + +Install with npm: + +``` +npm install @eslint/css-tree +``` + +Basic usage: + +```js +import * as csstree from '@eslint/css-tree'; + +// parse CSS to AST +const ast = csstree.parse('.example { world: "!" }'); + +// traverse AST and modify it +csstree.walk(ast, (node) => { + if (node.type === 'ClassSelector' && node.name === 'example') { + node.name = 'hello'; + } +}); + +// generate CSS from AST +console.log(csstree.generate(ast)); +// .hello{world:"!"} +``` + +Syntax matching: + +```js +// parse CSS to AST as a declaration value +const ast = csstree.parse('red 1px solid', { context: 'value' }); + +// match to syntax of `border` property +const matchResult = csstree.lexer.matchProperty('border', ast); + +// check first value node is a +console.log(matchResult.isType(ast.children.first, 'color')); +// true + +// get a type list matched to a node +console.log(matchResult.getTrace(ast.children.first)); +// [ { type: 'Property', name: 'border' }, +// { type: 'Type', name: 'color' }, +// { type: 'Type', name: 'named-color' }, +// { type: 'Keyword', name: 'red' } ] +``` + +### Exports + +Is it possible to import just a needed part of library like a parser or a walker. That's might useful for loading time or bundle size optimisations. + +```js +import * as tokenizer from '@eslint/css-tree/tokenizer'; +import * as parser from '@eslint/css-tree/parser'; +import * as walker from '@eslint/css-tree/walker'; +import * as lexer from '@eslint/css-tree/lexer'; +import * as definitionSyntax from '@eslint/css-tree/definition-syntax'; +import * as data from '@eslint/css-tree/definition-syntax-data'; +import * as dataPatch from '@eslint/css-tree/definition-syntax-data-patch'; +import * as utils from '@eslint/css-tree/utils'; +``` + +### Using in a browser + +Bundles are available for use in a browser: + +- `dist/csstree.js` – minified IIFE with `csstree` as global +```html + + +``` + +- `dist/csstree.esm.js` – minified ES module +```html + +``` + +One of CDN services like `unpkg` or `jsDelivr` can be used. By default (for short path) a ESM version is exposing. For IIFE version a full path to a bundle should be specified: + +```html + + + + + + +``` + +## Top level API + +![API map](https://cdn.rawgit.com/eslint/csstree/aaf327e/docs/api-map.svg) + +## License + +MIT + + +## Branch Setup and Development + +* `main` - the default branch for new development in the fork repo +* `upstream` - kept in sync with `csstree/csstree` + +When merging in changes from `csstree/csstree`, sync `upstream` in the GitHub UI (if possible). Then send a pull request to `main` to work through any merge conflicts. diff --git a/node_modules/@eslint/css-tree/cjs/convertor/create.cjs b/node_modules/@eslint/css-tree/cjs/convertor/create.cjs new file mode 100644 index 000000000..55c655b24 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/convertor/create.cjs @@ -0,0 +1,32 @@ +'use strict'; + +const List = require('../utils/List.cjs'); + +function createConvertor(walk) { + return { + fromPlainObject(ast) { + walk(ast, { + enter(node) { + if (node.children && node.children instanceof List.List === false) { + node.children = new List.List().fromArray(node.children); + } + } + }); + + return ast; + }, + toPlainObject(ast) { + walk(ast, { + leave(node) { + if (node.children && node.children instanceof List.List) { + node.children = node.children.toArray(); + } + } + }); + + return ast; + } + }; +} + +exports.createConvertor = createConvertor; diff --git a/node_modules/@eslint/css-tree/cjs/convertor/index.cjs b/node_modules/@eslint/css-tree/cjs/convertor/index.cjs new file mode 100644 index 000000000..665427855 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/convertor/index.cjs @@ -0,0 +1,8 @@ +'use strict'; + +const create = require('./create.cjs'); +const index$1 = require('../walker/index.cjs'); + +const index = create.createConvertor(index$1); + +module.exports = index; diff --git a/node_modules/@eslint/css-tree/cjs/data-patch.cjs b/node_modules/@eslint/css-tree/cjs/data-patch.cjs new file mode 100644 index 000000000..9103ea4c2 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/data-patch.cjs @@ -0,0 +1,7 @@ +'use strict'; + +const patch = require('../data/patch.json'); + +const patch$1 = patch; + +module.exports = patch$1; diff --git a/node_modules/@eslint/css-tree/cjs/data.cjs b/node_modules/@eslint/css-tree/cjs/data.cjs new file mode 100644 index 000000000..258ac6a31 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/data.cjs @@ -0,0 +1,120 @@ +'use strict'; + +const dataPatch = require('./data-patch.cjs'); + +const mdnAtrules = require('mdn-data/css/at-rules.json'); +const mdnProperties = require('mdn-data/css/properties.json'); +const mdnSyntaxes = require('mdn-data/css/syntaxes.json'); + +const hasOwn = Object.hasOwn || ((object, property) => Object.prototype.hasOwnProperty.call(object, property)); +const extendSyntax = /^\s*\|\s*/; + +function preprocessAtrules(dict) { + const result = Object.create(null); + + for (const [atruleName, atrule] of Object.entries(dict)) { + let descriptors = null; + + if (atrule.descriptors) { + descriptors = Object.create(null); + + for (const [name, descriptor] of Object.entries(atrule.descriptors)) { + descriptors[name] = descriptor.syntax; + } + } + + result[atruleName.substr(1)] = { + prelude: atrule.syntax.trim().replace(/\{(.|\s)+\}/, '').match(/^@\S+\s+([^;\{]*)/)[1].trim() || null, + descriptors + }; + } + + return result; +} + +function patchDictionary(dict, patchDict) { + const result = Object.create(null); + + // copy all syntaxes for an original dict + for (const [key, value] of Object.entries(dict)) { + if (value) { + result[key] = value.syntax || value; + } + } + + // apply a patch + for (const key of Object.keys(patchDict)) { + if (hasOwn(dict, key)) { + if (patchDict[key].syntax) { + result[key] = extendSyntax.test(patchDict[key].syntax) + ? result[key] + ' ' + patchDict[key].syntax.trim() + : patchDict[key].syntax; + } else { + delete result[key]; + } + } else { + if (patchDict[key].syntax) { + result[key] = patchDict[key].syntax.replace(extendSyntax, ''); + } + } + } + + return result; +} + +function preprocessPatchAtrulesDescritors(declarations) { + const result = {}; + + for (const [key, value] of Object.entries(declarations || {})) { + result[key] = typeof value === 'string' + ? { syntax: value } + : value; + } + + return result; +} + +function patchAtrules(dict, patchDict) { + const result = {}; + + // copy all syntaxes for an original dict + for (const key in dict) { + if (patchDict[key] === null) { + continue; + } + + const atrulePatch = patchDict[key] || {}; + + result[key] = { + prelude: key in patchDict && 'prelude' in atrulePatch + ? atrulePatch.prelude + : dict[key].prelude || null, + descriptors: patchDictionary( + dict[key].descriptors || {}, + preprocessPatchAtrulesDescritors(atrulePatch.descriptors) + ) + }; + } + + // apply a patch + for (const [key, atrulePatch] of Object.entries(patchDict)) { + if (atrulePatch && !hasOwn(dict, key)) { + result[key] = { + prelude: atrulePatch.prelude || null, + descriptors: atrulePatch.descriptors + ? patchDictionary({}, preprocessPatchAtrulesDescritors(atrulePatch.descriptors)) + : null + }; + } + } + + return result; +} + +const definitions = { + types: patchDictionary(mdnSyntaxes, dataPatch.types), + atrules: patchAtrules(preprocessAtrules(mdnAtrules), dataPatch.atrules), + properties: patchDictionary(mdnProperties, dataPatch.properties) +}; + +module.exports = definitions; diff --git a/node_modules/@eslint/css-tree/cjs/definition-syntax/SyntaxError.cjs b/node_modules/@eslint/css-tree/cjs/definition-syntax/SyntaxError.cjs new file mode 100644 index 000000000..d24e7ceda --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/definition-syntax/SyntaxError.cjs @@ -0,0 +1,16 @@ +'use strict'; + +const createCustomError = require('../utils/create-custom-error.cjs'); + +function SyntaxError(message, input, offset) { + return Object.assign(createCustomError.createCustomError('SyntaxError', message), { + input, + offset, + rawMessage: message, + message: message + '\n' + + ' ' + input + '\n' + + '--' + new Array((offset || input.length) + 1).join('-') + '^' + }); +} + +exports.SyntaxError = SyntaxError; diff --git a/node_modules/@eslint/css-tree/cjs/definition-syntax/generate.cjs b/node_modules/@eslint/css-tree/cjs/definition-syntax/generate.cjs new file mode 100644 index 000000000..ff9f0ad47 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/definition-syntax/generate.cjs @@ -0,0 +1,139 @@ +'use strict'; + +function noop(value) { + return value; +} + +function generateMultiplier(multiplier) { + const { min, max, comma } = multiplier; + + if (min === 0 && max === 0) { + return comma ? '#?' : '*'; + } + + if (min === 0 && max === 1) { + return '?'; + } + + if (min === 1 && max === 0) { + return comma ? '#' : '+'; + } + + if (min === 1 && max === 1) { + return ''; + } + + return ( + (comma ? '#' : '') + + (min === max + ? '{' + min + '}' + : '{' + min + ',' + (max !== 0 ? max : '') + '}' + ) + ); +} + +function generateTypeOpts(node) { + switch (node.type) { + case 'Range': + return ( + ' [' + + (node.min === null ? '-∞' : node.min) + + ',' + + (node.max === null ? '∞' : node.max) + + ']' + ); + + default: + throw new Error('Unknown node type `' + node.type + '`'); + } +} + +function generateSequence(node, decorate, forceBraces, compact) { + const combinator = node.combinator === ' ' || compact ? node.combinator : ' ' + node.combinator + ' '; + const result = node.terms + .map(term => internalGenerate(term, decorate, forceBraces, compact)) + .join(combinator); + + if (node.explicit || forceBraces) { + return (compact || result[0] === ',' ? '[' : '[ ') + result + (compact ? ']' : ' ]'); + } + + return result; +} + +function internalGenerate(node, decorate, forceBraces, compact) { + let result; + + switch (node.type) { + case 'Group': + result = + generateSequence(node, decorate, forceBraces, compact) + + (node.disallowEmpty ? '!' : ''); + break; + + case 'Multiplier': + // return since node is a composition + return ( + internalGenerate(node.term, decorate, forceBraces, compact) + + decorate(generateMultiplier(node), node) + ); + + case 'Boolean': + result = ''; + break; + + case 'Type': + result = '<' + node.name + (node.opts ? decorate(generateTypeOpts(node.opts), node.opts) : '') + '>'; + break; + + case 'Property': + result = '<\'' + node.name + '\'>'; + break; + + case 'Keyword': + result = node.name; + break; + + case 'AtKeyword': + result = '@' + node.name; + break; + + case 'Function': + result = node.name + '('; + break; + + case 'String': + case 'Token': + result = node.value; + break; + + case 'Comma': + result = ','; + break; + + default: + throw new Error('Unknown node type `' + node.type + '`'); + } + + return decorate(result, node); +} + +function generate(node, options) { + let decorate = noop; + let forceBraces = false; + let compact = false; + + if (typeof options === 'function') { + decorate = options; + } else if (options) { + forceBraces = Boolean(options.forceBraces); + compact = Boolean(options.compact); + if (typeof options.decorate === 'function') { + decorate = options.decorate; + } + } + + return internalGenerate(node, decorate, forceBraces, compact); +} + +exports.generate = generate; diff --git a/node_modules/@eslint/css-tree/cjs/definition-syntax/index.cjs b/node_modules/@eslint/css-tree/cjs/definition-syntax/index.cjs new file mode 100644 index 000000000..0afb505c9 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/definition-syntax/index.cjs @@ -0,0 +1,13 @@ +'use strict'; + +const SyntaxError = require('./SyntaxError.cjs'); +const generate = require('./generate.cjs'); +const parse = require('./parse.cjs'); +const walk = require('./walk.cjs'); + + + +exports.SyntaxError = SyntaxError.SyntaxError; +exports.generate = generate.generate; +exports.parse = parse.parse; +exports.walk = walk.walk; diff --git a/node_modules/@eslint/css-tree/cjs/definition-syntax/parse.cjs b/node_modules/@eslint/css-tree/cjs/definition-syntax/parse.cjs new file mode 100644 index 000000000..b17b26792 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/definition-syntax/parse.cjs @@ -0,0 +1,556 @@ +'use strict'; + +const scanner = require('./scanner.cjs'); + +const TAB = 9; +const N = 10; +const F = 12; +const R = 13; +const SPACE = 32; +const EXCLAMATIONMARK = 33; // ! +const NUMBERSIGN = 35; // # +const AMPERSAND = 38; // & +const APOSTROPHE = 39; // ' +const LEFTPARENTHESIS = 40; // ( +const RIGHTPARENTHESIS = 41; // ) +const ASTERISK = 42; // * +const PLUSSIGN = 43; // + +const COMMA = 44; // , +const HYPERMINUS = 45; // - +const LESSTHANSIGN = 60; // < +const GREATERTHANSIGN = 62; // > +const QUESTIONMARK = 63; // ? +const COMMERCIALAT = 64; // @ +const LEFTSQUAREBRACKET = 91; // [ +const RIGHTSQUAREBRACKET = 93; // ] +const LEFTCURLYBRACKET = 123; // { +const VERTICALLINE = 124; // | +const RIGHTCURLYBRACKET = 125; // } +const INFINITY = 8734; // ∞ +const COMBINATOR_PRECEDENCE = { + ' ': 1, + '&&': 2, + '||': 3, + '|': 4 +}; + +function readMultiplierRange(scanner) { + let min = null; + let max = null; + + scanner.eat(LEFTCURLYBRACKET); + scanner.skipWs(); + + min = scanner.scanNumber(scanner); + scanner.skipWs(); + + if (scanner.charCode() === COMMA) { + scanner.pos++; + scanner.skipWs(); + + if (scanner.charCode() !== RIGHTCURLYBRACKET) { + max = scanner.scanNumber(scanner); + scanner.skipWs(); + } + } else { + max = min; + } + + scanner.eat(RIGHTCURLYBRACKET); + + return { + min: Number(min), + max: max ? Number(max) : 0 + }; +} + +function readMultiplier(scanner) { + let range = null; + let comma = false; + + switch (scanner.charCode()) { + case ASTERISK: + scanner.pos++; + + range = { + min: 0, + max: 0 + }; + + break; + + case PLUSSIGN: + scanner.pos++; + + range = { + min: 1, + max: 0 + }; + + break; + + case QUESTIONMARK: + scanner.pos++; + + range = { + min: 0, + max: 1 + }; + + break; + + case NUMBERSIGN: + scanner.pos++; + + comma = true; + + if (scanner.charCode() === LEFTCURLYBRACKET) { + range = readMultiplierRange(scanner); + } else if (scanner.charCode() === QUESTIONMARK) { + // https://www.w3.org/TR/css-values-4/#component-multipliers + // > the # and ? multipliers may be stacked as #? + // In this case just treat "#?" as a single multiplier + // { min: 0, max: 0, comma: true } + scanner.pos++; + range = { + min: 0, + max: 0 + }; + } else { + range = { + min: 1, + max: 0 + }; + } + + break; + + case LEFTCURLYBRACKET: + range = readMultiplierRange(scanner); + break; + + default: + return null; + } + + return { + type: 'Multiplier', + comma, + min: range.min, + max: range.max, + term: null + }; +} + +function maybeMultiplied(scanner, node) { + const multiplier = readMultiplier(scanner); + + if (multiplier !== null) { + multiplier.term = node; + + // https://www.w3.org/TR/css-values-4/#component-multipliers + // > The + and # multipliers may be stacked as +#; + // Represent "+#" as nested multipliers: + // { ..., + // term: { + // ..., + // term: node + // } + // } + if (scanner.charCode() === NUMBERSIGN && + scanner.charCodeAt(scanner.pos - 1) === PLUSSIGN) { + return maybeMultiplied(scanner, multiplier); + } + + return multiplier; + } + + return node; +} + +function maybeToken(scanner) { + const ch = scanner.peek(); + + if (ch === '') { + return null; + } + + return maybeMultiplied(scanner, { + type: 'Token', + value: ch + }); +} + +function readProperty(scanner) { + let name; + + scanner.eat(LESSTHANSIGN); + scanner.eat(APOSTROPHE); + + name = scanner.scanWord(); + + scanner.eat(APOSTROPHE); + scanner.eat(GREATERTHANSIGN); + + return maybeMultiplied(scanner, { + type: 'Property', + name + }); +} + +// https://drafts.csswg.org/css-values-3/#numeric-ranges +// 4.1. Range Restrictions and Range Definition Notation +// +// Range restrictions can be annotated in the numeric type notation using CSS bracketed +// range notation—[min,max]—within the angle brackets, after the identifying keyword, +// indicating a closed range between (and including) min and max. +// For example, indicates an integer between 0 and 10, inclusive. +function readTypeRange(scanner) { + // use null for Infinity to make AST format JSON serializable/deserializable + let min = null; // -Infinity + let max = null; // Infinity + let sign = 1; + + scanner.eat(LEFTSQUAREBRACKET); + + if (scanner.charCode() === HYPERMINUS) { + scanner.peek(); + sign = -1; + } + + if (sign == -1 && scanner.charCode() === INFINITY) { + scanner.peek(); + } else { + min = sign * Number(scanner.scanNumber(scanner)); + + if (scanner.isNameCharCode()) { + min += scanner.scanWord(); + } + } + + scanner.skipWs(); + scanner.eat(COMMA); + scanner.skipWs(); + + if (scanner.charCode() === INFINITY) { + scanner.peek(); + } else { + sign = 1; + + if (scanner.charCode() === HYPERMINUS) { + scanner.peek(); + sign = -1; + } + + max = sign * Number(scanner.scanNumber(scanner)); + + if (scanner.isNameCharCode()) { + max += scanner.scanWord(); + } + } + + scanner.eat(RIGHTSQUAREBRACKET); + + return { + type: 'Range', + min, + max + }; +} + +function readType(scanner) { + let name; + let opts = null; + + scanner.eat(LESSTHANSIGN); + name = scanner.scanWord(); + + // https://drafts.csswg.org/css-values-5/#boolean + if (name === 'boolean-expr') { + scanner.eat(LEFTSQUAREBRACKET); + + const implicitGroup = readImplicitGroup(scanner, RIGHTSQUAREBRACKET); + + scanner.eat(RIGHTSQUAREBRACKET); + scanner.eat(GREATERTHANSIGN); + + return maybeMultiplied(scanner, { + type: 'Boolean', + term: implicitGroup.terms.length === 1 + ? implicitGroup.terms[0] + : implicitGroup + }); + } + + if (scanner.charCode() === LEFTPARENTHESIS && + scanner.nextCharCode() === RIGHTPARENTHESIS) { + scanner.pos += 2; + name += '()'; + } + + if (scanner.charCodeAt(scanner.findWsEnd(scanner.pos)) === LEFTSQUAREBRACKET) { + scanner.skipWs(); + opts = readTypeRange(scanner); + } + + scanner.eat(GREATERTHANSIGN); + + return maybeMultiplied(scanner, { + type: 'Type', + name, + opts + }); +} + +function readKeywordOrFunction(scanner) { + const name = scanner.scanWord(); + + if (scanner.charCode() === LEFTPARENTHESIS) { + scanner.pos++; + + return { + type: 'Function', + name + }; + } + + return maybeMultiplied(scanner, { + type: 'Keyword', + name + }); +} + +function regroupTerms(terms, combinators) { + function createGroup(terms, combinator) { + return { + type: 'Group', + terms, + combinator, + disallowEmpty: false, + explicit: false + }; + } + + let combinator; + + combinators = Object.keys(combinators) + .sort((a, b) => COMBINATOR_PRECEDENCE[a] - COMBINATOR_PRECEDENCE[b]); + + while (combinators.length > 0) { + combinator = combinators.shift(); + + let i = 0; + let subgroupStart = 0; + + for (; i < terms.length; i++) { + const term = terms[i]; + + if (term.type === 'Combinator') { + if (term.value === combinator) { + if (subgroupStart === -1) { + subgroupStart = i - 1; + } + terms.splice(i, 1); + i--; + } else { + if (subgroupStart !== -1 && i - subgroupStart > 1) { + terms.splice( + subgroupStart, + i - subgroupStart, + createGroup(terms.slice(subgroupStart, i), combinator) + ); + i = subgroupStart + 1; + } + subgroupStart = -1; + } + } + } + + if (subgroupStart !== -1 && combinators.length) { + terms.splice( + subgroupStart, + i - subgroupStart, + createGroup(terms.slice(subgroupStart, i), combinator) + ); + } + } + + return combinator; +} + +function readImplicitGroup(scanner, stopCharCode) { + const combinators = Object.create(null); + const terms = []; + let token; + let prevToken = null; + let prevTokenPos = scanner.pos; + + while (scanner.charCode() !== stopCharCode && (token = peek(scanner, stopCharCode))) { + if (token.type !== 'Spaces') { + if (token.type === 'Combinator') { + // check for combinator in group beginning and double combinator sequence + if (prevToken === null || prevToken.type === 'Combinator') { + scanner.pos = prevTokenPos; + scanner.error('Unexpected combinator'); + } + + combinators[token.value] = true; + } else if (prevToken !== null && prevToken.type !== 'Combinator') { + combinators[' '] = true; // a b + terms.push({ + type: 'Combinator', + value: ' ' + }); + } + + terms.push(token); + prevToken = token; + prevTokenPos = scanner.pos; + } + } + + // check for combinator in group ending + if (prevToken !== null && prevToken.type === 'Combinator') { + scanner.pos -= prevTokenPos; + scanner.error('Unexpected combinator'); + } + + return { + type: 'Group', + terms, + combinator: regroupTerms(terms, combinators) || ' ', + disallowEmpty: false, + explicit: false + }; +} + +function readGroup(scanner, stopCharCode) { + let result; + + scanner.eat(LEFTSQUAREBRACKET); + result = readImplicitGroup(scanner, stopCharCode); + scanner.eat(RIGHTSQUAREBRACKET); + + result.explicit = true; + + if (scanner.charCode() === EXCLAMATIONMARK) { + scanner.pos++; + result.disallowEmpty = true; + } + + return result; +} + +function peek(scanner, stopCharCode) { + let code = scanner.charCode(); + + switch (code) { + case RIGHTSQUAREBRACKET: + // don't eat, stop scan a group + break; + + case LEFTSQUAREBRACKET: + return maybeMultiplied(scanner, readGroup(scanner, stopCharCode)); + + case LESSTHANSIGN: + return scanner.nextCharCode() === APOSTROPHE + ? readProperty(scanner) + : readType(scanner); + + case VERTICALLINE: + return { + type: 'Combinator', + value: scanner.substringToPos( + scanner.pos + (scanner.nextCharCode() === VERTICALLINE ? 2 : 1) + ) + }; + + case AMPERSAND: + scanner.pos++; + scanner.eat(AMPERSAND); + + return { + type: 'Combinator', + value: '&&' + }; + + case COMMA: + scanner.pos++; + return { + type: 'Comma' + }; + + case APOSTROPHE: + return maybeMultiplied(scanner, { + type: 'String', + value: scanner.scanString() + }); + + case SPACE: + case TAB: + case N: + case R: + case F: + return { + type: 'Spaces', + value: scanner.scanSpaces() + }; + + case COMMERCIALAT: + code = scanner.nextCharCode(); + + if (scanner.isNameCharCode(code)) { + scanner.pos++; + return { + type: 'AtKeyword', + name: scanner.scanWord() + }; + } + + return maybeToken(scanner); + + case ASTERISK: + case PLUSSIGN: + case QUESTIONMARK: + case NUMBERSIGN: + case EXCLAMATIONMARK: + // prohibited tokens (used as a multiplier start) + break; + + case LEFTCURLYBRACKET: + // LEFTCURLYBRACKET is allowed since mdn/data uses it w/o quoting + // check next char isn't a number, because it's likely a disjoined multiplier + code = scanner.nextCharCode(); + + if (code < 48 || code > 57) { + return maybeToken(scanner); + } + + break; + + default: + if (scanner.isNameCharCode(code)) { + return readKeywordOrFunction(scanner); + } + + return maybeToken(scanner); + } +} + +function parse(source) { + const scanner$1 = new scanner.Scanner(source); + const result = readImplicitGroup(scanner$1); + + if (scanner$1.pos !== source.length) { + scanner$1.error('Unexpected input'); + } + + // reduce redundant groups with single group term + if (result.terms.length === 1 && result.terms[0].type === 'Group') { + return result.terms[0]; + } + + return result; +} + +exports.parse = parse; diff --git a/node_modules/@eslint/css-tree/cjs/definition-syntax/scanner.cjs b/node_modules/@eslint/css-tree/cjs/definition-syntax/scanner.cjs new file mode 100644 index 000000000..0bad36a4a --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/definition-syntax/scanner.cjs @@ -0,0 +1,113 @@ +'use strict'; + +const SyntaxError = require('./SyntaxError.cjs'); + +const TAB = 9; +const N = 10; +const F = 12; +const R = 13; +const SPACE = 32; +const NAME_CHAR = new Uint8Array(128).map((_, idx) => + /[a-zA-Z0-9\-]/.test(String.fromCharCode(idx)) ? 1 : 0 +); + +class Scanner { + constructor(str) { + this.str = str; + this.pos = 0; + } + + charCodeAt(pos) { + return pos < this.str.length ? this.str.charCodeAt(pos) : 0; + } + charCode() { + return this.charCodeAt(this.pos); + } + isNameCharCode(code = this.charCode()) { + return code < 128 && NAME_CHAR[code] === 1; + } + nextCharCode() { + return this.charCodeAt(this.pos + 1); + } + nextNonWsCode(pos) { + return this.charCodeAt(this.findWsEnd(pos)); + } + skipWs() { + this.pos = this.findWsEnd(this.pos); + } + findWsEnd(pos) { + for (; pos < this.str.length; pos++) { + const code = this.str.charCodeAt(pos); + if (code !== R && code !== N && code !== F && code !== SPACE && code !== TAB) { + break; + } + } + + return pos; + } + substringToPos(end) { + return this.str.substring(this.pos, this.pos = end); + } + eat(code) { + if (this.charCode() !== code) { + this.error('Expect `' + String.fromCharCode(code) + '`'); + } + + this.pos++; + } + peek() { + return this.pos < this.str.length ? this.str.charAt(this.pos++) : ''; + } + error(message) { + throw new SyntaxError.SyntaxError(message, this.str, this.pos); + } + + scanSpaces() { + return this.substringToPos(this.findWsEnd(this.pos)); + } + scanWord() { + let end = this.pos; + + for (; end < this.str.length; end++) { + const code = this.str.charCodeAt(end); + if (code >= 128 || NAME_CHAR[code] === 0) { + break; + } + } + + if (this.pos === end) { + this.error('Expect a keyword'); + } + + return this.substringToPos(end); + } + scanNumber() { + let end = this.pos; + + for (; end < this.str.length; end++) { + const code = this.str.charCodeAt(end); + + if (code < 48 || code > 57) { + break; + } + } + + if (this.pos === end) { + this.error('Expect a number'); + } + + return this.substringToPos(end); + } + scanString() { + const end = this.str.indexOf('\'', this.pos + 1); + + if (end === -1) { + this.pos = this.str.length; + this.error('Expect an apostrophe'); + } + + return this.substringToPos(end + 1); + } +} + +exports.Scanner = Scanner; diff --git a/node_modules/@eslint/css-tree/cjs/definition-syntax/walk.cjs b/node_modules/@eslint/css-tree/cjs/definition-syntax/walk.cjs new file mode 100644 index 000000000..fdba06572 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/definition-syntax/walk.cjs @@ -0,0 +1,57 @@ +'use strict'; + +const noop = function() {}; + +function ensureFunction(value) { + return typeof value === 'function' ? value : noop; +} + +function walk(node, options, context) { + function walk(node) { + enter.call(context, node); + + switch (node.type) { + case 'Group': + node.terms.forEach(walk); + break; + + case 'Multiplier': + case 'Boolean': + walk(node.term); + break; + + case 'Type': + case 'Property': + case 'Keyword': + case 'AtKeyword': + case 'Function': + case 'String': + case 'Token': + case 'Comma': + break; + + default: + throw new Error('Unknown type: ' + node.type); + } + + leave.call(context, node); + } + + let enter = noop; + let leave = noop; + + if (typeof options === 'function') { + enter = options; + } else if (options) { + enter = ensureFunction(options.enter); + leave = ensureFunction(options.leave); + } + + if (enter === noop && leave === noop) { + throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\'t a function'); + } + + walk(node); +} + +exports.walk = walk; diff --git a/node_modules/@eslint/css-tree/cjs/generator/create.cjs b/node_modules/@eslint/css-tree/cjs/generator/create.cjs new file mode 100644 index 000000000..87b7989aa --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/generator/create.cjs @@ -0,0 +1,102 @@ +'use strict'; + +const getTokenizer = require('../utils/get-tokenizer.cjs'); +const sourceMap = require('./sourceMap.cjs'); +const tokenBefore = require('./token-before.cjs'); +const types = require('../tokenizer/types.cjs'); + +const REVERSESOLIDUS = 0x005c; // U+005C REVERSE SOLIDUS (\) + +function processChildren(node, delimeter) { + if (typeof delimeter === 'function') { + let prev = null; + + node.children.forEach(node => { + if (prev !== null) { + delimeter.call(this, prev); + } + + this.node(node); + prev = node; + }); + + return; + } + + node.children.forEach(this.node, this); +} + +function createGenerator(config) { + const types$1 = new Map(); + + for (let [name, item] of Object.entries(config.node)) { + const fn = item.generate || item; + + if (typeof fn === 'function') { + types$1.set(name, item.generate || item); + } + } + + return function(node, options) { + let buffer = ''; + let prevCode = 0; + let handlers = { + node(node) { + if (types$1.has(node.type)) { + types$1.get(node.type).call(publicApi, node); + } else { + throw new Error('Unknown node type: ' + node.type); + } + }, + tokenBefore: tokenBefore.safe, + token(type, value) { + prevCode = this.tokenBefore(prevCode, type, value); + + this.emit(value, type, false); + + if (type === types.Delim && value.charCodeAt(0) === REVERSESOLIDUS) { + this.emit('\n', types.WhiteSpace, true); + } + }, + emit(value) { + buffer += value; + }, + result() { + return buffer; + } + }; + + if (options) { + if (typeof options.decorator === 'function') { + handlers = options.decorator(handlers); + } + + if (options.sourceMap) { + handlers = sourceMap.generateSourceMap(handlers); + } + + if (options.mode in tokenBefore) { + handlers.tokenBefore = tokenBefore[options.mode]; + } + } + + const publicApi = { + node: (node) => handlers.node(node), + children: processChildren, + token: (type, value) => handlers.token(type, value), + tokenize: function (chunk) { + const tokenize = getTokenizer.getTokenizer(config); + + return tokenize(chunk, (type, start, end) => { + this.token(type, chunk.slice(start, end)); + }); + } + }; + + handlers.node(node); + + return handlers.result(); + }; +} + +exports.createGenerator = createGenerator; diff --git a/node_modules/@eslint/css-tree/cjs/generator/index.cjs b/node_modules/@eslint/css-tree/cjs/generator/index.cjs new file mode 100644 index 000000000..5c87cd341 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/generator/index.cjs @@ -0,0 +1,8 @@ +'use strict'; + +const create = require('./create.cjs'); +const generator = require('../syntax/config/generator.cjs'); + +const index = create.createGenerator(generator); + +module.exports = index; diff --git a/node_modules/@eslint/css-tree/cjs/generator/sourceMap.cjs b/node_modules/@eslint/css-tree/cjs/generator/sourceMap.cjs new file mode 100644 index 000000000..efbc5b9e5 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/generator/sourceMap.cjs @@ -0,0 +1,96 @@ +'use strict'; + +const sourceMapGenerator_js = require('source-map-js/lib/source-map-generator.js'); + +const trackNodes = new Set(['Atrule', 'Selector', 'Declaration']); + +function generateSourceMap(handlers) { + const map = new sourceMapGenerator_js.SourceMapGenerator(); + const generated = { + line: 1, + column: 0 + }; + const original = { + line: 0, // should be zero to add first mapping + column: 0 + }; + const activatedGenerated = { + line: 1, + column: 0 + }; + const activatedMapping = { + generated: activatedGenerated + }; + let line = 1; + let column = 0; + let sourceMappingActive = false; + + const origHandlersNode = handlers.node; + handlers.node = function(node) { + if (node.loc && node.loc.start && trackNodes.has(node.type)) { + const nodeLine = node.loc.start.line; + const nodeColumn = node.loc.start.column - 1; + + if (original.line !== nodeLine || + original.column !== nodeColumn) { + original.line = nodeLine; + original.column = nodeColumn; + + generated.line = line; + generated.column = column; + + if (sourceMappingActive) { + sourceMappingActive = false; + if (generated.line !== activatedGenerated.line || + generated.column !== activatedGenerated.column) { + map.addMapping(activatedMapping); + } + } + + sourceMappingActive = true; + map.addMapping({ + source: node.loc.source, + original, + generated + }); + } + } + + origHandlersNode.call(this, node); + + if (sourceMappingActive && trackNodes.has(node.type)) { + activatedGenerated.line = line; + activatedGenerated.column = column; + } + }; + + const origHandlersEmit = handlers.emit; + handlers.emit = function(value, type, auto) { + for (let i = 0; i < value.length; i++) { + if (value.charCodeAt(i) === 10) { // \n + line++; + column = 0; + } else { + column++; + } + } + + origHandlersEmit(value, type, auto); + }; + + const origHandlersResult = handlers.result; + handlers.result = function() { + if (sourceMappingActive) { + map.addMapping(activatedMapping); + } + + return { + css: origHandlersResult(), + map + }; + }; + + return handlers; +} + +exports.generateSourceMap = generateSourceMap; diff --git a/node_modules/@eslint/css-tree/cjs/generator/token-before.cjs b/node_modules/@eslint/css-tree/cjs/generator/token-before.cjs new file mode 100644 index 000000000..87bf4a3e2 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/generator/token-before.cjs @@ -0,0 +1,170 @@ +'use strict'; + +const types = require('../tokenizer/types.cjs'); + +const PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+) +const HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-) + +const code = (type, value) => { + if (type === types.Delim) { + type = value; + } + + if (typeof type === 'string') { + const charCode = type.charCodeAt(0); + return charCode > 0x7F ? 0x8000 : charCode << 8; + } + + return type; +}; + +// https://www.w3.org/TR/css-syntax-3/#serialization +// The only requirement for serialization is that it must "round-trip" with parsing, +// that is, parsing the stylesheet must produce the same data structures as parsing, +// serializing, and parsing again, except for consecutive s, +// which may be collapsed into a single token. + +const specPairs = [ + [types.Ident, types.Ident], + [types.Ident, types.Function], + [types.Ident, types.Url], + [types.Ident, types.BadUrl], + [types.Ident, '-'], + [types.Ident, types.Number], + [types.Ident, types.Percentage], + [types.Ident, types.Dimension], + [types.Ident, types.CDC], + [types.Ident, types.LeftParenthesis], + + [types.AtKeyword, types.Ident], + [types.AtKeyword, types.Function], + [types.AtKeyword, types.Url], + [types.AtKeyword, types.BadUrl], + [types.AtKeyword, '-'], + [types.AtKeyword, types.Number], + [types.AtKeyword, types.Percentage], + [types.AtKeyword, types.Dimension], + [types.AtKeyword, types.CDC], + + [types.Hash, types.Ident], + [types.Hash, types.Function], + [types.Hash, types.Url], + [types.Hash, types.BadUrl], + [types.Hash, '-'], + [types.Hash, types.Number], + [types.Hash, types.Percentage], + [types.Hash, types.Dimension], + [types.Hash, types.CDC], + + [types.Dimension, types.Ident], + [types.Dimension, types.Function], + [types.Dimension, types.Url], + [types.Dimension, types.BadUrl], + [types.Dimension, '-'], + [types.Dimension, types.Number], + [types.Dimension, types.Percentage], + [types.Dimension, types.Dimension], + [types.Dimension, types.CDC], + + ['#', types.Ident], + ['#', types.Function], + ['#', types.Url], + ['#', types.BadUrl], + ['#', '-'], + ['#', types.Number], + ['#', types.Percentage], + ['#', types.Dimension], + ['#', types.CDC], // https://github.com/w3c/csswg-drafts/pull/6874 + + ['-', types.Ident], + ['-', types.Function], + ['-', types.Url], + ['-', types.BadUrl], + ['-', '-'], + ['-', types.Number], + ['-', types.Percentage], + ['-', types.Dimension], + ['-', types.CDC], // https://github.com/w3c/csswg-drafts/pull/6874 + + [types.Number, types.Ident], + [types.Number, types.Function], + [types.Number, types.Url], + [types.Number, types.BadUrl], + [types.Number, types.Number], + [types.Number, types.Percentage], + [types.Number, types.Dimension], + [types.Number, '%'], + [types.Number, types.CDC], // https://github.com/w3c/csswg-drafts/pull/6874 + + ['@', types.Ident], + ['@', types.Function], + ['@', types.Url], + ['@', types.BadUrl], + ['@', '-'], + ['@', types.CDC], // https://github.com/w3c/csswg-drafts/pull/6874 + + ['.', types.Number], + ['.', types.Percentage], + ['.', types.Dimension], + + ['+', types.Number], + ['+', types.Percentage], + ['+', types.Dimension], + + ['/', '*'] +]; +// validate with scripts/generate-safe +const safePairs = specPairs.concat([ + [types.Ident, types.Hash], + + [types.Dimension, types.Hash], + + [types.Hash, types.Hash], + + [types.AtKeyword, types.LeftParenthesis], + [types.AtKeyword, types.String], + [types.AtKeyword, types.Colon], + + [types.Percentage, types.Percentage], + [types.Percentage, types.Dimension], + [types.Percentage, types.Function], + [types.Percentage, '-'], + + [types.RightParenthesis, types.Ident], + [types.RightParenthesis, types.Function], + [types.RightParenthesis, types.Percentage], + [types.RightParenthesis, types.Dimension], + [types.RightParenthesis, types.Hash], + [types.RightParenthesis, '-'] +]); + +function createMap(pairs) { + const isWhiteSpaceRequired = new Set( + pairs.map(([prev, next]) => (code(prev) << 16 | code(next))) + ); + + return function(prevCode, type, value) { + const nextCode = code(type, value); + const nextCharCode = value.charCodeAt(0); + const emitWs = + (nextCharCode === HYPHENMINUS && + type !== types.Ident && + type !== types.Function && + type !== types.CDC) || + (nextCharCode === PLUSSIGN) + ? isWhiteSpaceRequired.has(prevCode << 16 | nextCharCode << 8) + : isWhiteSpaceRequired.has(prevCode << 16 | nextCode); + + if (emitWs) { + this.emit(' ', types.WhiteSpace, true); + } + + return nextCode; + }; +} + +const spec = createMap(specPairs); +const safe = createMap(safePairs); + +exports.safe = safe; +exports.spec = spec; diff --git a/node_modules/@eslint/css-tree/cjs/index.cjs b/node_modules/@eslint/css-tree/cjs/index.cjs new file mode 100644 index 000000000..cc6113787 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/index.cjs @@ -0,0 +1,65 @@ +'use strict'; + +const index$1 = require('./syntax/index.cjs'); +const version = require('./version.cjs'); +const create = require('./syntax/create.cjs'); +const List = require('./utils/List.cjs'); +const Lexer = require('./lexer/Lexer.cjs'); +const index = require('./definition-syntax/index.cjs'); +const clone = require('./utils/clone.cjs'); +const names$1 = require('./utils/names.cjs'); +const ident = require('./utils/ident.cjs'); +const string = require('./utils/string.cjs'); +const url = require('./utils/url.cjs'); +const types = require('./tokenizer/types.cjs'); +const names = require('./tokenizer/names.cjs'); +const TokenStream = require('./tokenizer/TokenStream.cjs'); +const OffsetToLocation = require('./tokenizer/OffsetToLocation.cjs'); + +const { + tokenize, + parse, + generate, + lexer, + createLexer, + + walk, + find, + findLast, + findAll, + + toPlainObject, + fromPlainObject, + + fork +} = index$1; + +exports.version = version.version; +exports.createSyntax = create; +exports.List = List.List; +exports.Lexer = Lexer.Lexer; +exports.definitionSyntax = index; +exports.clone = clone.clone; +exports.isCustomProperty = names$1.isCustomProperty; +exports.keyword = names$1.keyword; +exports.property = names$1.property; +exports.vendorPrefix = names$1.vendorPrefix; +exports.ident = ident; +exports.string = string; +exports.url = url; +exports.tokenTypes = types; +exports.tokenNames = names; +exports.TokenStream = TokenStream.TokenStream; +exports.OffsetToLocation = OffsetToLocation.OffsetToLocation; +exports.createLexer = createLexer; +exports.find = find; +exports.findAll = findAll; +exports.findLast = findLast; +exports.fork = fork; +exports.fromPlainObject = fromPlainObject; +exports.generate = generate; +exports.lexer = lexer; +exports.parse = parse; +exports.toPlainObject = toPlainObject; +exports.tokenize = tokenize; +exports.walk = walk; diff --git a/node_modules/@eslint/css-tree/cjs/lexer/Lexer.cjs b/node_modules/@eslint/css-tree/cjs/lexer/Lexer.cjs new file mode 100644 index 000000000..7e0981a90 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/lexer/Lexer.cjs @@ -0,0 +1,533 @@ +'use strict'; + +const error = require('./error.cjs'); +const names = require('../utils/names.cjs'); +const genericConst = require('./generic-const.cjs'); +const generic = require('./generic.cjs'); +const units = require('./units.cjs'); +const prepareTokens = require('./prepare-tokens.cjs'); +const matchGraph = require('./match-graph.cjs'); +const match = require('./match.cjs'); +const trace = require('./trace.cjs'); +const search = require('./search.cjs'); +const structure = require('./structure.cjs'); +const parse = require('../definition-syntax/parse.cjs'); +const generate = require('../definition-syntax/generate.cjs'); +const walk = require('../definition-syntax/walk.cjs'); + +function dumpMapSyntax(map, compact, syntaxAsAst) { + const result = {}; + + for (const name in map) { + if (map[name].syntax) { + result[name] = syntaxAsAst + ? map[name].syntax + : generate.generate(map[name].syntax, { compact }); + } + } + + return result; +} + +function dumpAtruleMapSyntax(map, compact, syntaxAsAst) { + const result = {}; + + for (const [name, atrule] of Object.entries(map)) { + result[name] = { + prelude: atrule.prelude && ( + syntaxAsAst + ? atrule.prelude.syntax + : generate.generate(atrule.prelude.syntax, { compact }) + ), + descriptors: atrule.descriptors && dumpMapSyntax(atrule.descriptors, compact, syntaxAsAst) + }; + } + + return result; +} + +function valueHasVar(tokens) { + for (let i = 0; i < tokens.length; i++) { + if (tokens[i].value.toLowerCase() === 'var(') { + return true; + } + } + + return false; +} + +function syntaxHasTopLevelCommaMultiplier(syntax) { + const singleTerm = syntax.terms[0]; + + return ( + syntax.explicit === false && + syntax.terms.length === 1 && + singleTerm.type === 'Multiplier' && + singleTerm.comma === true + ); +} + +function valueHasEnv(tokens) { + for (let i = 0; i < tokens.length; i++) { + if (tokens[i].value.toLowerCase() === 'env(') { + return true; + } + } + + return false; +} + +function buildMatchResult(matched, error, iterations) { + return { + matched, + iterations, + error, + ...trace + }; +} + +function matchSyntax(lexer, syntax, value, useCssWideKeywords) { + const tokens = prepareTokens(value, lexer.syntax); + let result; + + if (valueHasVar(tokens)) { + return buildMatchResult(null, new Error('Matching for a tree with var() is not supported')); + } + + if (valueHasEnv(tokens)) { + return buildMatchResult(null, new Error('Matching for a tree with env() is not supported')); + } + + if (useCssWideKeywords) { + result = match.matchAsTree(tokens, lexer.cssWideKeywordsSyntax, lexer); + } + + if (!useCssWideKeywords || !result.match) { + result = match.matchAsTree(tokens, syntax.match, lexer); + if (!result.match) { + return buildMatchResult( + null, + new error.SyntaxMatchError(result.reason, syntax.syntax, value, result), + result.iterations + ); + } + } + + return buildMatchResult(result.match, null, result.iterations); +} + +class Lexer { + constructor(config, syntax, structure$1) { + this.cssWideKeywords = genericConst.cssWideKeywords; + this.syntax = syntax; + this.generic = false; + this.units = { ...units }; + this.atrules = Object.create(null); + this.properties = Object.create(null); + this.types = Object.create(null); + this.structure = structure$1 || structure.getStructureFromConfig(config); + + if (config) { + if (config.cssWideKeywords) { + this.cssWideKeywords = config.cssWideKeywords; + } + + if (config.units) { + for (const group of Object.keys(units)) { + if (Array.isArray(config.units[group])) { + this.units[group] = config.units[group]; + } + } + } + + if (config.types) { + for (const [name, type] of Object.entries(config.types)) { + this.addType_(name, type); + } + } + + if (config.generic) { + this.generic = true; + for (const [name, value] of Object.entries(generic.createGenericTypes(this.units))) { + this.addType_(name, value); + } + } + + if (config.atrules) { + for (const [name, atrule] of Object.entries(config.atrules)) { + this.addAtrule_(name, atrule); + } + } + + if (config.properties) { + for (const [name, property] of Object.entries(config.properties)) { + this.addProperty_(name, property); + } + } + } + + this.cssWideKeywordsSyntax = matchGraph.buildMatchGraph(this.cssWideKeywords.join(' | ')); + } + + checkStructure(ast) { + function collectWarning(node, message) { + warns.push({ node, message }); + } + + const structure = this.structure; + const warns = []; + + this.syntax.walk(ast, function(node) { + if (structure.hasOwnProperty(node.type)) { + structure[node.type].check(node, collectWarning); + } else { + collectWarning(node, 'Unknown node type `' + node.type + '`'); + } + }); + + return warns.length ? warns : false; + } + + createDescriptor(syntax, type, name, parent = null) { + const ref = { + type, + name + }; + const descriptor = { + type, + name, + parent, + serializable: typeof syntax === 'string' || (syntax && typeof syntax.type === 'string'), + syntax: null, + match: null, + matchRef: null // used for properties when a syntax referenced as <'property'> in other syntax definitions + }; + + if (typeof syntax === 'function') { + descriptor.match = matchGraph.buildMatchGraph(syntax, ref); + } else { + if (typeof syntax === 'string') { + // lazy parsing on first access + Object.defineProperty(descriptor, 'syntax', { + get() { + Object.defineProperty(descriptor, 'syntax', { + value: parse.parse(syntax) + }); + + return descriptor.syntax; + } + }); + } else { + descriptor.syntax = syntax; + } + + // lazy graph build on first access + Object.defineProperty(descriptor, 'match', { + get() { + Object.defineProperty(descriptor, 'match', { + value: matchGraph.buildMatchGraph(descriptor.syntax, ref) + }); + + return descriptor.match; + } + }); + + if (type === 'Property') { + Object.defineProperty(descriptor, 'matchRef', { + get() { + const syntax = descriptor.syntax; + const value = syntaxHasTopLevelCommaMultiplier(syntax) + ? matchGraph.buildMatchGraph({ + ...syntax, + terms: [syntax.terms[0].term] + }, ref) + : null; + + Object.defineProperty(descriptor, 'matchRef', { + value + }); + + return value; + } + }); + } + } + + return descriptor; + } + addAtrule_(name, syntax) { + if (!syntax) { + return; + } + + this.atrules[name] = { + type: 'Atrule', + name: name, + prelude: syntax.prelude ? this.createDescriptor(syntax.prelude, 'AtrulePrelude', name) : null, + descriptors: syntax.descriptors + ? Object.keys(syntax.descriptors).reduce( + (map, descName) => { + map[descName] = this.createDescriptor(syntax.descriptors[descName], 'AtruleDescriptor', descName, name); + return map; + }, + Object.create(null) + ) + : null + }; + } + addProperty_(name, syntax) { + if (!syntax) { + return; + } + + this.properties[name] = this.createDescriptor(syntax, 'Property', name); + } + addType_(name, syntax) { + if (!syntax) { + return; + } + + this.types[name] = this.createDescriptor(syntax, 'Type', name); + } + + checkAtruleName(atruleName) { + if (!this.getAtrule(atruleName)) { + return new error.SyntaxReferenceError('Unknown at-rule', '@' + atruleName); + } + } + checkAtrulePrelude(atruleName, prelude) { + const error = this.checkAtruleName(atruleName); + + if (error) { + return error; + } + + const atrule = this.getAtrule(atruleName); + + if (!atrule.prelude && prelude) { + return new SyntaxError('At-rule `@' + atruleName + '` should not contain a prelude'); + } + + if (atrule.prelude && !prelude) { + if (!matchSyntax(this, atrule.prelude, '', false).matched) { + return new SyntaxError('At-rule `@' + atruleName + '` should contain a prelude'); + } + } + } + checkAtruleDescriptorName(atruleName, descriptorName) { + const error$1 = this.checkAtruleName(atruleName); + + if (error$1) { + return error$1; + } + + const atrule = this.getAtrule(atruleName); + const descriptor = names.keyword(descriptorName); + + if (!atrule.descriptors) { + return new SyntaxError('At-rule `@' + atruleName + '` has no known descriptors'); + } + + if (!atrule.descriptors[descriptor.name] && + !atrule.descriptors[descriptor.basename]) { + return new error.SyntaxReferenceError('Unknown at-rule descriptor', descriptorName); + } + } + checkPropertyName(propertyName) { + if (!this.getProperty(propertyName)) { + return new error.SyntaxReferenceError('Unknown property', propertyName); + } + } + + matchAtrulePrelude(atruleName, prelude) { + const error = this.checkAtrulePrelude(atruleName, prelude); + + if (error) { + return buildMatchResult(null, error); + } + + const atrule = this.getAtrule(atruleName); + + if (!atrule.prelude) { + return buildMatchResult(null, null); + } + + return matchSyntax(this, atrule.prelude, prelude || '', false); + } + matchAtruleDescriptor(atruleName, descriptorName, value) { + const error = this.checkAtruleDescriptorName(atruleName, descriptorName); + + if (error) { + return buildMatchResult(null, error); + } + + const atrule = this.getAtrule(atruleName); + const descriptor = names.keyword(descriptorName); + + return matchSyntax(this, atrule.descriptors[descriptor.name] || atrule.descriptors[descriptor.basename], value, false); + } + matchDeclaration(node) { + if (node.type !== 'Declaration') { + return buildMatchResult(null, new Error('Not a Declaration node')); + } + + return this.matchProperty(node.property, node.value); + } + matchProperty(propertyName, value) { + if ( + !this.getProperty(propertyName) && + names.property(propertyName).custom + ) { + return buildMatchResult(null, new Error('Lexer matching doesn\'t applicable for custom properties')); + } + + const error = this.checkPropertyName(propertyName); + + if (error) { + return buildMatchResult(null, error); + } + + return matchSyntax(this, this.getProperty(propertyName), value, true); + } + matchType(typeName, value) { + const typeSyntax = this.getType(typeName); + + if (!typeSyntax) { + return buildMatchResult(null, new error.SyntaxReferenceError('Unknown type', typeName)); + } + + return matchSyntax(this, typeSyntax, value, false); + } + match(syntax, value) { + if (typeof syntax !== 'string' && (!syntax || !syntax.type)) { + return buildMatchResult(null, new error.SyntaxReferenceError('Bad syntax')); + } + + if (typeof syntax === 'string' || !syntax.match) { + syntax = this.createDescriptor(syntax, 'Type', 'anonymous'); + } + + return matchSyntax(this, syntax, value, false); + } + + findValueFragments(propertyName, value, type, name) { + return search.matchFragments(this, value, this.matchProperty(propertyName, value), type, name); + } + findDeclarationValueFragments(declaration, type, name) { + return search.matchFragments(this, declaration.value, this.matchDeclaration(declaration), type, name); + } + findAllFragments(ast, type, name) { + const result = []; + + this.syntax.walk(ast, { + visit: 'Declaration', + enter: (declaration) => { + result.push.apply(result, this.findDeclarationValueFragments(declaration, type, name)); + } + }); + + return result; + } + + getAtrule(atruleName, fallbackBasename = true) { + const atrule = names.keyword(atruleName); + const atruleEntry = atrule.vendor && fallbackBasename + ? this.atrules[atrule.name] || this.atrules[atrule.basename] + : this.atrules[atrule.name]; + + return atruleEntry || null; + } + getAtrulePrelude(atruleName, fallbackBasename = true) { + const atrule = this.getAtrule(atruleName, fallbackBasename); + + return atrule && atrule.prelude || null; + } + getAtruleDescriptor(atruleName, name) { + return this.atrules.hasOwnProperty(atruleName) && this.atrules.declarators + ? this.atrules[atruleName].declarators[name] || null + : null; + } + getProperty(propertyName, fallbackBasename = true) { + const property = names.property(propertyName); + const propertyEntry = property.vendor && fallbackBasename + ? this.properties[property.name] || this.properties[property.basename] + : this.properties[property.name]; + + return propertyEntry || null; + } + getType(name) { + return hasOwnProperty.call(this.types, name) ? this.types[name] : null; + } + + validate() { + function syntaxRef(name, isType) { + return isType ? `<${name}>` : `<'${name}'>`; + } + + function validate(syntax, name, broken, descriptor) { + if (broken.has(name)) { + return broken.get(name); + } + + broken.set(name, false); + if (descriptor.syntax !== null) { + walk.walk(descriptor.syntax, function(node) { + if (node.type !== 'Type' && node.type !== 'Property') { + return; + } + + const map = node.type === 'Type' ? syntax.types : syntax.properties; + const brokenMap = node.type === 'Type' ? brokenTypes : brokenProperties; + + if (!hasOwnProperty.call(map, node.name)) { + errors.push(`${syntaxRef(name, broken === brokenTypes)} used missed syntax definition ${syntaxRef(node.name, node.type === 'Type')}`); + broken.set(name, true); + } else if (validate(syntax, node.name, brokenMap, map[node.name])) { + errors.push(`${syntaxRef(name, broken === brokenTypes)} used broken syntax definition ${syntaxRef(node.name, node.type === 'Type')}`); + broken.set(name, true); + } + }, this); + } + } + + const errors = []; + let brokenTypes = new Map(); + let brokenProperties = new Map(); + + for (const key in this.types) { + validate(this, key, brokenTypes, this.types[key]); + } + + for (const key in this.properties) { + validate(this, key, brokenProperties, this.properties[key]); + } + + const brokenTypesArray = [...brokenTypes.keys()].filter(name => brokenTypes.get(name)); + const brokenPropertiesArray = [...brokenProperties.keys()].filter(name => brokenProperties.get(name)); + + if (brokenTypesArray.length || brokenPropertiesArray.length) { + return { + errors, + types: brokenTypesArray, + properties: brokenPropertiesArray + }; + } + + return null; + } + dump(syntaxAsAst, pretty) { + return { + generic: this.generic, + cssWideKeywords: this.cssWideKeywords, + units: this.units, + types: dumpMapSyntax(this.types, !pretty, syntaxAsAst), + properties: dumpMapSyntax(this.properties, !pretty, syntaxAsAst), + atrules: dumpAtruleMapSyntax(this.atrules, !pretty, syntaxAsAst) + }; + } + toString() { + return JSON.stringify(this.dump()); + } +} + +exports.Lexer = Lexer; diff --git a/node_modules/@eslint/css-tree/cjs/lexer/error.cjs b/node_modules/@eslint/css-tree/cjs/lexer/error.cjs new file mode 100644 index 000000000..8d252eeb5 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/lexer/error.cjs @@ -0,0 +1,128 @@ +'use strict'; + +const createCustomError = require('../utils/create-custom-error.cjs'); +const generate = require('../definition-syntax/generate.cjs'); + +const defaultLoc = { offset: 0, line: 1, column: 1 }; + +function locateMismatch(matchResult, node) { + const tokens = matchResult.tokens; + const longestMatch = matchResult.longestMatch; + const mismatchNode = longestMatch < tokens.length ? tokens[longestMatch].node || null : null; + const badNode = mismatchNode !== node ? mismatchNode : null; + let mismatchOffset = 0; + let mismatchLength = 0; + let entries = 0; + let css = ''; + let start; + let end; + + for (let i = 0; i < tokens.length; i++) { + const token = tokens[i].value; + + if (i === longestMatch) { + mismatchLength = token.length; + mismatchOffset = css.length; + } + + if (badNode !== null && tokens[i].node === badNode) { + if (i <= longestMatch) { + entries++; + } else { + entries = 0; + } + } + + css += token; + } + + if (longestMatch === tokens.length || entries > 1) { // last + start = fromLoc(badNode || node, 'end') || buildLoc(defaultLoc, css); + end = buildLoc(start); + } else { + start = fromLoc(badNode, 'start') || + buildLoc(fromLoc(node, 'start') || defaultLoc, css.slice(0, mismatchOffset)); + end = fromLoc(badNode, 'end') || + buildLoc(start, css.substr(mismatchOffset, mismatchLength)); + } + + return { + css, + mismatchOffset, + mismatchLength, + start, + end + }; +} + +function fromLoc(node, point) { + const value = node && node.loc && node.loc[point]; + + if (value) { + return 'line' in value ? buildLoc(value) : value; + } + + return null; +} + +function buildLoc({ offset, line, column }, extra) { + const loc = { + offset, + line, + column + }; + + if (extra) { + const lines = extra.split(/\n|\r\n?|\f/); + + loc.offset += extra.length; + loc.line += lines.length - 1; + loc.column = lines.length === 1 ? loc.column + extra.length : lines.pop().length + 1; + } + + return loc; +} + +const SyntaxReferenceError = function(type, referenceName) { + const error = createCustomError.createCustomError( + 'SyntaxReferenceError', + type + (referenceName ? ' `' + referenceName + '`' : '') + ); + + error.reference = referenceName; + + return error; +}; + +const SyntaxMatchError = function(message, syntax, node, matchResult) { + const error = createCustomError.createCustomError('SyntaxMatchError', message); + const { + css, + mismatchOffset, + mismatchLength, + start, + end + } = locateMismatch(matchResult, node); + + error.rawMessage = message; + error.syntax = syntax ? generate.generate(syntax) : ''; + error.css = css; + error.mismatchOffset = mismatchOffset; + error.mismatchLength = mismatchLength; + error.message = message + '\n' + + ' syntax: ' + error.syntax + '\n' + + ' value: ' + (css || '') + '\n' + + ' --------' + new Array(error.mismatchOffset + 1).join('-') + '^'; + + Object.assign(error, start); + error.loc = { + source: (node && node.loc && node.loc.source) || '', + start, + end + }; + + return error; +}; + +exports.SyntaxMatchError = SyntaxMatchError; +exports.SyntaxReferenceError = SyntaxReferenceError; diff --git a/node_modules/@eslint/css-tree/cjs/lexer/generic-an-plus-b.cjs b/node_modules/@eslint/css-tree/cjs/lexer/generic-an-plus-b.cjs new file mode 100644 index 000000000..a5dfba3e2 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/lexer/generic-an-plus-b.cjs @@ -0,0 +1,235 @@ +'use strict'; + +const charCodeDefinitions = require('../tokenizer/char-code-definitions.cjs'); +const types = require('../tokenizer/types.cjs'); +const utils = require('../tokenizer/utils.cjs'); + +const PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+) +const HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-) +const N = 0x006E; // U+006E LATIN SMALL LETTER N (n) +const DISALLOW_SIGN = true; +const ALLOW_SIGN = false; + +function isDelim(token, code) { + return token !== null && token.type === types.Delim && token.value.charCodeAt(0) === code; +} + +function skipSC(token, offset, getNextToken) { + while (token !== null && (token.type === types.WhiteSpace || token.type === types.Comment)) { + token = getNextToken(++offset); + } + + return offset; +} + +function checkInteger(token, valueOffset, disallowSign, offset) { + if (!token) { + return 0; + } + + const code = token.value.charCodeAt(valueOffset); + + if (code === PLUSSIGN || code === HYPHENMINUS) { + if (disallowSign) { + // Number sign is not allowed + return 0; + } + valueOffset++; + } + + for (; valueOffset < token.value.length; valueOffset++) { + if (!charCodeDefinitions.isDigit(token.value.charCodeAt(valueOffset))) { + // Integer is expected + return 0; + } + } + + return offset + 1; +} + +// ... +// ... ['+' | '-'] +function consumeB(token, offset_, getNextToken) { + let sign = false; + let offset = skipSC(token, offset_, getNextToken); + + token = getNextToken(offset); + + if (token === null) { + return offset_; + } + + if (token.type !== types.Number) { + if (isDelim(token, PLUSSIGN) || isDelim(token, HYPHENMINUS)) { + sign = true; + offset = skipSC(getNextToken(++offset), offset, getNextToken); + token = getNextToken(offset); + + if (token === null || token.type !== types.Number) { + return 0; + } + } else { + return offset_; + } + } + + if (!sign) { + const code = token.value.charCodeAt(0); + if (code !== PLUSSIGN && code !== HYPHENMINUS) { + // Number sign is expected + return 0; + } + } + + return checkInteger(token, sign ? 0 : 1, sign, offset); +} + +// An+B microsyntax https://www.w3.org/TR/css-syntax-3/#anb +function anPlusB(token, getNextToken) { + /* eslint-disable brace-style*/ + let offset = 0; + + if (!token) { + return 0; + } + + // + if (token.type === types.Number) { + return checkInteger(token, 0, ALLOW_SIGN, offset); // b + } + + // -n + // -n + // -n ['+' | '-'] + // -n- + // + else if (token.type === types.Ident && token.value.charCodeAt(0) === HYPHENMINUS) { + // expect 1st char is N + if (!utils.cmpChar(token.value, 1, N)) { + return 0; + } + + switch (token.value.length) { + // -n + // -n + // -n ['+' | '-'] + case 2: + return consumeB(getNextToken(++offset), offset, getNextToken); + + // -n- + case 3: + if (token.value.charCodeAt(2) !== HYPHENMINUS) { + return 0; + } + + offset = skipSC(getNextToken(++offset), offset, getNextToken); + token = getNextToken(offset); + + return checkInteger(token, 0, DISALLOW_SIGN, offset); + + // + default: + if (token.value.charCodeAt(2) !== HYPHENMINUS) { + return 0; + } + + return checkInteger(token, 3, DISALLOW_SIGN, offset); + } + } + + // '+'? n + // '+'? n + // '+'? n ['+' | '-'] + // '+'? n- + // '+'? + else if (token.type === types.Ident || (isDelim(token, PLUSSIGN) && getNextToken(offset + 1).type === types.Ident)) { + // just ignore a plus + if (token.type !== types.Ident) { + token = getNextToken(++offset); + } + + if (token === null || !utils.cmpChar(token.value, 0, N)) { + return 0; + } + + switch (token.value.length) { + // '+'? n + // '+'? n + // '+'? n ['+' | '-'] + case 1: + return consumeB(getNextToken(++offset), offset, getNextToken); + + // '+'? n- + case 2: + if (token.value.charCodeAt(1) !== HYPHENMINUS) { + return 0; + } + + offset = skipSC(getNextToken(++offset), offset, getNextToken); + token = getNextToken(offset); + + return checkInteger(token, 0, DISALLOW_SIGN, offset); + + // '+'? + default: + if (token.value.charCodeAt(1) !== HYPHENMINUS) { + return 0; + } + + return checkInteger(token, 2, DISALLOW_SIGN, offset); + } + } + + // + // + // + // + // ['+' | '-'] + else if (token.type === types.Dimension) { + let code = token.value.charCodeAt(0); + let sign = code === PLUSSIGN || code === HYPHENMINUS ? 1 : 0; + let i = sign; + + for (; i < token.value.length; i++) { + if (!charCodeDefinitions.isDigit(token.value.charCodeAt(i))) { + break; + } + } + + if (i === sign) { + // Integer is expected + return 0; + } + + if (!utils.cmpChar(token.value, i, N)) { + return 0; + } + + // + // + // ['+' | '-'] + if (i + 1 === token.value.length) { + return consumeB(getNextToken(++offset), offset, getNextToken); + } else { + if (token.value.charCodeAt(i + 1) !== HYPHENMINUS) { + return 0; + } + + // + if (i + 2 === token.value.length) { + offset = skipSC(getNextToken(++offset), offset, getNextToken); + token = getNextToken(offset); + + return checkInteger(token, 0, DISALLOW_SIGN, offset); + } + // + else { + return checkInteger(token, i + 2, DISALLOW_SIGN, offset); + } + } + } + + return 0; +} + +module.exports = anPlusB; diff --git a/node_modules/@eslint/css-tree/cjs/lexer/generic-const.cjs b/node_modules/@eslint/css-tree/cjs/lexer/generic-const.cjs new file mode 100644 index 000000000..9b9f6157a --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/lexer/generic-const.cjs @@ -0,0 +1,12 @@ +'use strict'; + +// https://drafts.csswg.org/css-cascade-5/ +const cssWideKeywords = [ + 'initial', + 'inherit', + 'unset', + 'revert', + 'revert-layer' +]; + +exports.cssWideKeywords = cssWideKeywords; diff --git a/node_modules/@eslint/css-tree/cjs/lexer/generic-urange.cjs b/node_modules/@eslint/css-tree/cjs/lexer/generic-urange.cjs new file mode 100644 index 000000000..ce167bb12 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/lexer/generic-urange.cjs @@ -0,0 +1,149 @@ +'use strict'; + +const charCodeDefinitions = require('../tokenizer/char-code-definitions.cjs'); +const types = require('../tokenizer/types.cjs'); +const utils = require('../tokenizer/utils.cjs'); + +const PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+) +const HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-) +const QUESTIONMARK = 0x003F; // U+003F QUESTION MARK (?) +const U = 0x0075; // U+0075 LATIN SMALL LETTER U (u) + +function isDelim(token, code) { + return token !== null && token.type === types.Delim && token.value.charCodeAt(0) === code; +} + +function startsWith(token, code) { + return token.value.charCodeAt(0) === code; +} + +function hexSequence(token, offset, allowDash) { + let hexlen = 0; + + for (let pos = offset; pos < token.value.length; pos++) { + const code = token.value.charCodeAt(pos); + + if (code === HYPHENMINUS && allowDash && hexlen !== 0) { + hexSequence(token, offset + hexlen + 1, false); + return 6; // dissallow following question marks + } + + if (!charCodeDefinitions.isHexDigit(code)) { + return 0; // not a hex digit + } + + if (++hexlen > 6) { + return 0; // too many hex digits + } } + + return hexlen; +} + +function withQuestionMarkSequence(consumed, length, getNextToken) { + if (!consumed) { + return 0; // nothing consumed + } + + while (isDelim(getNextToken(length), QUESTIONMARK)) { + if (++consumed > 6) { + return 0; // too many question marks + } + + length++; + } + + return length; +} + +// https://drafts.csswg.org/css-syntax/#urange +// Informally, the production has three forms: +// U+0001 +// Defines a range consisting of a single code point, in this case the code point "1". +// U+0001-00ff +// Defines a range of codepoints between the first and the second value, in this case +// the range between "1" and "ff" (255 in decimal) inclusive. +// U+00?? +// Defines a range of codepoints where the "?" characters range over all hex digits, +// in this case defining the same as the value U+0000-00ff. +// In each form, a maximum of 6 digits is allowed for each hexadecimal number (if you treat "?" as a hexadecimal digit). +// +// = +// u '+' '?'* | +// u '?'* | +// u '?'* | +// u | +// u | +// u '+' '?'+ +function urange(token, getNextToken) { + let length = 0; + + // should start with `u` or `U` + if (token === null || token.type !== types.Ident || !utils.cmpChar(token.value, 0, U)) { + return 0; + } + + token = getNextToken(++length); + if (token === null) { + return 0; + } + + // u '+' '?'* + // u '+' '?'+ + if (isDelim(token, PLUSSIGN)) { + token = getNextToken(++length); + if (token === null) { + return 0; + } + + if (token.type === types.Ident) { + // u '+' '?'* + return withQuestionMarkSequence(hexSequence(token, 0, true), ++length, getNextToken); + } + + if (isDelim(token, QUESTIONMARK)) { + // u '+' '?'+ + return withQuestionMarkSequence(1, ++length, getNextToken); + } + + // Hex digit or question mark is expected + return 0; + } + + // u '?'* + // u + // u + if (token.type === types.Number) { + const consumedHexLength = hexSequence(token, 1, true); + if (consumedHexLength === 0) { + return 0; + } + + token = getNextToken(++length); + if (token === null) { + // u + return length; + } + + if (token.type === types.Dimension || token.type === types.Number) { + // u + // u + if (!startsWith(token, HYPHENMINUS) || !hexSequence(token, 1, false)) { + return 0; + } + + return length + 1; + } + + // u '?'* + return withQuestionMarkSequence(consumedHexLength, length, getNextToken); + } + + // u '?'* + if (token.type === types.Dimension) { + return withQuestionMarkSequence(hexSequence(token, 1, true), ++length, getNextToken); + } + + return 0; +} + +module.exports = urange; diff --git a/node_modules/@eslint/css-tree/cjs/lexer/generic.cjs b/node_modules/@eslint/css-tree/cjs/lexer/generic.cjs new file mode 100644 index 000000000..4b63dc289 --- /dev/null +++ b/node_modules/@eslint/css-tree/cjs/lexer/generic.cjs @@ -0,0 +1,674 @@ +'use strict'; + +const genericConst = require('./generic-const.cjs'); +const genericAnPlusB = require('./generic-an-plus-b.cjs'); +const genericUrange = require('./generic-urange.cjs'); +const charCodeDefinitions = require('../tokenizer/char-code-definitions.cjs'); +const types = require('../tokenizer/types.cjs'); +const utils = require('../tokenizer/utils.cjs'); + +// CSS mathematical functions categorized by return type behavior +// See: https://www.w3.org/TR/css-values-4/#math + +// Calculation functions that return different types depending on input +const calcFunctionNames = [ + 'calc(', + '-moz-calc(', + '-webkit-calc(' +]; + +// Comparison functions that return different types depending on input +const comparisonFunctionNames = [ + 'min(', + 'max(', + 'clamp(' +]; + +// Functions that return a stepped value, i.e. a value that is rounded to the nearest step +const steppedValueFunctionNames = [ + 'round(', + 'mod(', + 'rem(' +]; + +// Trigonometrical functions that return a +const trigNumberFunctionNames = [ + 'sin(', + 'cos(', + 'tan(' +]; + +// Trigonometrical functions that return a +const trigAngleFunctionNames = [ + 'asin(', + 'acos(', + 'atan(', + 'atan2(' +]; + +// Other functions that return a +const otherNumberFunctionNames = [ + 'pow(', + 'sqrt(', + 'log(', + 'exp(', + 'sign(' +]; + +// Exponential functions that return a or or +const expNumberDimensionPercentageFunctionNames = [ + 'hypot(' +]; + +// Return the same type as the input +const signFunctionNames = [ + 'abs(' +]; + +const numberFunctionNames = [ + ...calcFunctionNames, + ...comparisonFunctionNames, + ...steppedValueFunctionNames, + ...trigNumberFunctionNames, + ...otherNumberFunctionNames, + ...expNumberDimensionPercentageFunctionNames, + ...signFunctionNames +]; + +const percentageFunctionNames = [ + ...calcFunctionNames, + ...comparisonFunctionNames, + ...steppedValueFunctionNames, + ...expNumberDimensionPercentageFunctionNames, + ...signFunctionNames +]; + +const dimensionFunctionNames = [ + ...calcFunctionNames, + ...comparisonFunctionNames, + ...steppedValueFunctionNames, + ...trigAngleFunctionNames, + ...expNumberDimensionPercentageFunctionNames, + ...signFunctionNames +]; + +const balancePair = new Map([ + [types.Function, types.RightParenthesis], + [types.LeftParenthesis, types.RightParenthesis], + [types.LeftSquareBracket, types.RightSquareBracket], + [types.LeftCurlyBracket, types.RightCurlyBracket] +]); + +// safe char code getter +function charCodeAt(str, index) { + return index < str.length ? str.charCodeAt(index) : 0; +} + +function eqStr(actual, expected) { + return utils.cmpStr(actual, 0, actual.length, expected); +} + +function eqStrAny(actual, expected) { + for (let i = 0; i < expected.length; i++) { + if (eqStr(actual, expected[i])) { + return true; + } + } + + return false; +} + +// IE postfix hack, i.e. 123\0 or 123px\9 +function isPostfixIeHack(str, offset) { + if (offset !== str.length - 2) { + return false; + } + + return ( + charCodeAt(str, offset) === 0x005C && // U+005C REVERSE SOLIDUS (\) + charCodeDefinitions.isDigit(charCodeAt(str, offset + 1)) + ); +} + +function outOfRange(opts, value, numEnd) { + if (opts && opts.type === 'Range') { + const num = Number( + numEnd !== undefined && numEnd !== value.length + ? value.substr(0, numEnd) + : value + ); + + if (isNaN(num)) { + return true; + } + + // FIXME: when opts.min is a string it's a dimension, skip a range validation + // for now since it requires a type covertation which is not implmented yet + if (opts.min !== null && num < opts.min && typeof opts.min !== 'string') { + return true; + } + + // FIXME: when opts.max is a string it's a dimension, skip a range validation + // for now since it requires a type covertation which is not implmented yet + if (opts.max !== null && num > opts.max && typeof opts.max !== 'string') { + return true; + } + } + + return false; +} + +function consumeFunction(token, getNextToken) { + let balanceCloseType = 0; + let balanceStash = []; + let length = 0; + + // balanced token consuming + scan: + do { + switch (token.type) { + case types.RightCurlyBracket: + case types.RightParenthesis: + case types.RightSquareBracket: + if (token.type !== balanceCloseType) { + break scan; + } + + balanceCloseType = balanceStash.pop(); + + if (balanceStash.length === 0) { + length++; + break scan; + } + + break; + + case types.Function: + case types.LeftParenthesis: + case types.LeftSquareBracket: + case types.LeftCurlyBracket: + balanceStash.push(balanceCloseType); + balanceCloseType = balancePair.get(token.type); + break; + } + + length++; + } while (token = getNextToken(length)); + + return length; +} + + +// TODO: implement +// can be used wherever , , ,