Initial release

MoOx · MoOx · commit e578324d4ca4 · 2015-04-30T07:40:49.000+02:00
diff --git a/.babelrc b/.babelrc
@@ -0,0 +1,3 @@
+{
+  "stage": 0
+}
diff --git a/.editorconfig b/.editorconfig
@@ -0,0 +1,13 @@
+root = true
+
+[*]
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+
+[*.{md,markdown}]
+# Allow <br/> from Markdown
+trim_trailing_whitespace = false
diff --git a/.eslintignore b/.eslintignore
@@ -0,0 +1 @@
+.gitignore
diff --git a/.eslintrc b/.eslintrc
@@ -0,0 +1,27 @@
+---
+# babel support more syntax stuff than eslint for now
+parser: babel-eslint
+
+ecmaFeatures:
+  modules: true
+
+env:
+  es6: true
+  browser: true
+  node: true
+
+# 0: off, 1: warning, 2: error
+rules:
+  # semicolons are useless
+  semi: [2, "never"]
+
+  quotes: [2, "double"]
+
+  # 2 spaces indentation
+  indent: [2, 2]
+
+  # trailing coma are cool for diff
+  comma-dangle: [2, "always-multiline"]
+
+  # enforce comma at eol (never before)
+  comma-style: [2, "last"]
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+dist
diff --git a/.travis.yml b/.travis.yml
@@ -0,0 +1,2 @@
+sudo: false
+language: node_js
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -0,0 +1,3 @@
+# 1.0.0 - 2015-04-30
+
+✨ First release
diff --git a/LICENSE b/LICENSE
@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Maxime Thirouin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
@@ -0,0 +1,42 @@
+# postcss-selector-not [![Build Status](https://travis-ci.org/postcss/postcss-selector-not.svg?branch=master)](https://travis-ci.org/postcss/postcss-selector-not)
+
+> PostCSS plugin to transform `:not()` W3C CSS leve 4 pseudo class to :not() CSS level 3 selectors
+
+## Installation
+
+```console
+$ npm install postcss-selector-not
+```
+
+## Usage
+
+```js
+var postcss = require("postcss")
+
+var output = postcss()
+  .use(require("postcss-selector-not"))
+  .process(require("fs").readFileSync("input.css", "utf8"))
+  .css
+```
+
+Using this `input.css`:
+
+```css
+p:not(:first-child, .special) {
+  color: red;
+}
+```
+
+you will get:
+
+```css
+p:not(:first-child), p:not(.special) {
+  color: red;
+}
+```
+
+---
+
+## [Changelog](CHANGELOG.md)
+
+## [License](LICENSE)
diff --git a/package.json b/package.json
@@ -0,0 +1,44 @@
+{
+  "name": "postcss-selector-not",
+  "version": "1.0.0",
+  "description": "PostCSS plugin to transform :not() W3C CSS leve 4 pseudo class to :not() CSS level 3 selectors",
+  "keywords": [
+    "postcss",
+    "selectors",
+    "selector",
+    "Not"
+  ],
+  "author": "Maxime Thirouin",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/postcss/postcss-selector-not.git"
+  },
+  "homepage": "https://github.com/postcss/postcss-selector-not",
+  "bugs": {
+    "url": "https://github.com/postcss/postcss-selector-not/issues"
+  },
+  "files": [
+    "CHANGELOG.md",
+    "LICENSE",
+    "dist"
+  ],
+  "main": "dist/index.js",
+  "dependencies": {
+    "balanced-match": "^0.2.0",
+    "postcss": "^4.1.7"
+  },
+  "devDependencies": {
+    "babel": "^5.1.13",
+    "babel-eslint": "^3.0.1",
+    "babel-tape-runner": "^1.1.0",
+    "eslint": "^0.20.0",
+    "tape": "^4.0.0"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "tape": "babel-tape-runner 'test/*.js'",
+    "test": "npm run lint && npm run tape",
+    "prepublish": "babel src --out-dir dist"
+  }
+}
diff --git a/src/index.js b/src/index.js
@@ -0,0 +1,40 @@
+import postcss from "postcss"
+import list from "postcss/lib/list"
+
+import balancedMatch from "balanced-match"
+
+function explodeSelector(pseudoClass, selector) {
+  if (selector && selector.indexOf(pseudoClass) > -1) {
+    const start = `${pseudoClass}(`
+    const end = ")"
+    const matches = balancedMatch(start, end, selector)
+    const selectors = []
+    const bodySelectors = matches.body ?
+      list
+        .comma(matches.body)
+        .reduce((acc, s) => [...acc, ...explodeSelector(pseudoClass, s)], {})
+      : [""]
+    const postSelectors = matches.post ? explodeSelector(pseudoClass, matches.post) : [""]
+    postSelectors.forEach(postSelector => {
+      bodySelectors.forEach(bodySelector => {
+        selectors.push(`${matches.pre}${pseudoClass}(${bodySelector})${postSelector}`)
+      })
+    })
+    return selectors
+  }
+  return [selector]
+}
+
+function explodeSelectors(pseudoClass) {
+  return () => {
+    return (css) => {
+      css.eachRule(rule => {
+        if (rule.selector && rule.selector.indexOf(pseudoClass) > -1) {
+          rule.selector = explodeSelector(pseudoClass, rule.selector).join(", ")
+        }
+      })
+    }
+  }
+}
+
+export default postcss.plugin("postcss-selector-not", explodeSelectors(":not"))
diff --git a/test/index.js b/test/index.js
@@ -0,0 +1,54 @@
+import tape from "tape"
+
+import postcss from "postcss"
+import selectorNot from "../src/index.js"
+
+function transform(css) {
+  return postcss(selectorNot).process(css).css
+}
+
+tape("postcss-selector-not", t => {
+  t.equal(
+    transform("body {}"),
+    "body {}",
+    "should do nothing if there is no :not"
+  )
+
+  t.equal(
+    transform("body, Not {}"),
+    "body, Not {}",
+    "should really do nothing if there is no :not"
+  )
+
+  t.equal(
+    transform(":not(a, b) {}"),
+    ":not(a), :not(b) {}",
+    "should transform simple :not()"
+  )
+
+  t.equal(
+    transform("tag:not(.class, .class2) {}"),
+    "tag:not(.class), tag:not(.class2) {}",
+    "should transform directes :not()"
+  )
+
+  t.equal(
+    transform("tag :not(tag2, tag3) {}"),
+    "tag :not(tag2), tag :not(tag3) {}",
+    "should transform :not()"
+  )
+
+  t.equal(
+    transform("tag :not(tag2, tag3) :not(tag4, tag5) {}"),
+    "tag :not(tag2) :not(tag4), tag :not(tag3) :not(tag4), tag :not(tag2) :not(tag5), tag :not(tag3) :not(tag5) {}",
+    "should transform mutltiples :not()"
+  )
+
+  t.equal(
+    transform("tag :not(tag2 :not(tag4, tag5), tag3) {}"),
+    "tag :not(tag2 :not(tag4)), tag :not(tag2 :not(tag5)), tag :not(tag3) {}",
+    "should transform :not() recursively"
+  )
+
+  t.end()
+})

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+# 1.0.0 - 2015-04-30`
	`2`	`+`
	`3`	`+✨ First release`