chore: make the @packages/errors an independent bundle without needed ts-node to register entrypoint. Both ESM and CJS distributions are built and types are used as source to be compatible with older styles of commonjs bundling. Types are not shipped with the package.

Author: AtofStryker

packages/errors/.gitignore

@@ -0,0 +1,2 @@
+cjs
+esm

packages/errors/index.js

@@ -2,14 +2,21 @@
   "name": "@packages/errors",
   "version": "0.0.0-development",
   "description": "Error definitions and utilities for Cypress",
-  "main": "index.js",
-  "browser": "src/index.ts",
+  "main": "cjs/index.js",
+  "module": "esm/index.js",
+  "browser": "esm/index.js",
+  "files": [
+    "cjs/*",
+    "esm/*"
+  ],
+  "types": "src/index.ts",
   "scripts": {
-    "build": "../../scripts/run-if-ci.sh tsc || echo 'type errors'",
-    "build-prod": "tsc",
-    "check-ts": "tsc --noEmit && yarn -s tslint",
-    "clean": "rimraf --glob './src/*.js' './src/**/*.js' './src/**/**/*.js' './test/**/*.js' || echo 'cleaned'",
-    "clean-deps": "rimraf node_modules",
+    "build": "yarn build:esm && yarn build:cjs",
+    "build-prod": "yarn build",
+    "build:cjs": "rimraf cjs && tsc -p tsconfig.cjs.json",
+    "build:esm": "rimraf esm && tsc -p tsconfig.esm.json",
+    "check-ts": "tsc -p tsconfig.cjs.json --noEmit && yarn -s tslint -p tsconfig.cjs.json",
+    "clean": "rimraf cjs esm",
     "comparison": "node -r @packages/ts/register test/support/error-comparison-tool.ts",
     "lint": "eslint",
     "test": "yarn test-unit",
@@ -48,11 +55,6 @@
     "terminal-banner": "^1.1.0",
     "xvfb-maybe": "^0.2.1"
   },
-  "files": [
-    "src",
-    "dist"
-  ],
-  "types": "src/index.ts",
   "lint-staged": {
     "**/*.{js,jsx,ts,tsx,json}": "eslint --fix"
   },

packages/errors/package.json

@@ -1553,7 +1553,6 @@ export const AllCypressErrors = {
   },
 } as const
 
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
 const _typeCheck: Record<keyof AllCypressErrorObj, (...args: any[]) => ErrTemplateResult> = AllCypressErrors
 
 export type AllCypressErrorObj = typeof AllCypressErrors
@@ -1608,7 +1607,7 @@ export const getError = function <Type extends keyof AllCypressErrorObj> (type:
   return err
 }
 
-export const logWarning = function <Type extends keyof AllCypressErrorObj> (type: Type, ...args: Parameters<AllCypressErrorObj[Type]>) {
+export const logWarning = function <Type extends keyof AllCypressErrorObj> (type: Type, ...args: Parameters<AllCypressErrorObj[Type]>): null {
   const err = getError(type, ...args)
 
   logError(err, 'magenta')

packages/errors/src/errors.ts

@@ -1,5 +1,4 @@
 {
-  "extends": "../ts/tsconfig.json",
   "include": [
     "src",
   ],
@@ -8,5 +7,8 @@
     "noImplicitAny": true,
     "noImplicitReturns": false,
     "noUncheckedIndexedAccess": true,
+    "skipLibCheck": true,
+    "resolveJsonModule": true,
+    "esModuleInterop": true
   }
 }

packages/errors/tsconfig.json renamed to packages/errors/tsconfig.base.json

@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "rootDir": "./src",
+    "outDir": "./cjs",
+    "target": "ES2022",
+    "module": "CommonJS",
+    "moduleResolution": "node"
+  }
+}

packages/errors/tsconfig.cjs.json

@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "rootDir": "./src",
+    "outDir": "./esm",
+    "target": "ES2022",
+    "module": "ES2022",
+    "moduleResolution": "node"
+  }
+}

packages/errors/tsconfig.esm.json

@@ -1,5 +1,5 @@
 import semverMajor from 'semver/functions/major'
-import packageInfo from '../../../package.json'
+import packageInfo from '@packages/root'
 
 import type { SpecFile } from './spec'