feat: add post-build-script to gradually migrate

.eslintrc.js

@@ -4,22 +4,32 @@ module.exports = {
     node: true,
     jest: true,
   },
-  plugins: ['cypress'],
+  plugins: ['@typescript-eslint', 'cypress'],
   extends: [
     'plugin:vue/vue3-essential',
     'airbnb-base',
     'plugin:prettier/recommended', // We added this
     'plugin:cypress/recommended',
+    // 'plugin:@typescript-eslint/recommended', // Use recommended rules from the @typescript-eslint/eslint-plugin
   ],
+  parser: '@typescript-eslint/parser', // Specify the TypeScript parser
+
   parserOptions: {
     // parser: 'babel-eslint',
     ecmaVersion: 13,
     sourceType: 'module',
   },
+
+  settings: {
+    'import/resolver': {
+      node: {
+        extensions: ['.js', '.jsx', '.ts', '.tsx'],
+      },
+    },
+  },
   rules: {
     'no-console': 'warn',
     'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
-    'import/extensions': 'off',
     camelcase: ['error', { properties: 'never', ignoreDestructuring: true }],
     'no-param-reassign': ['error', { props: false }],
     'no-underscore-dangle': ['error', { allow: ['_id'] }],
@@ -29,5 +39,19 @@ module.exports = {
     'prettier/prettier': ['error', { endOfLine: 'auto', semi: false }],
     'import/prefer-default-export': 'off',
     'no-restricted-syntax': ['off', 'ForOfStatement'],
+
+    '@typescript-eslint/explicit-module-boundary-types': 'off',
+
+    // Allow missing file extensions
+    'import/extensions': [
+      'warn',
+      'ignorePackages',
+      {
+        js: 'never',
+        jsx: 'never',
+        ts: 'never',
+        tsx: 'never',
+      },
+    ],
   },
 }

package.json

@@ -28,16 +28,21 @@
     "build:quests": "yarn workspace server build:quests"
   },
   "devDependencies": {
+    "@types/jest": "^29.5.11",
     "@types/node": "^20.10.4",
+    "@typescript-eslint/eslint-plugin": "^6.14.0",
+    "@typescript-eslint/parser": "^6.14.0",
     "@vue/eslint-config-prettier": "^7.1.0",
     "eslint": "^8.44.0",
     "eslint-config-airbnb-base": "^15.0.0",
     "eslint-config-prettier": "^8.8.0",
+    "eslint-import-resolver-typescript": "^3.6.1",
     "eslint-plugin-cypress": "^2.15.1",
-    "eslint-plugin-import": "^2.27.5",
+    "eslint-plugin-import": "^2.29.0",
     "eslint-plugin-prettier": "^5.0.0",
     "eslint-plugin-vue": "^9.15.1",
     "prettier": "^3.0.0",
+    "ts-jest": "^29.1.1",
     "ts-node": "^10.9.2",
     "typescript": "^5.3.3"
   }

packages/file-graph/package.json

@@ -6,6 +6,6 @@
   "types": "dist/index.d.ts",
   "license": "MIT",
   "scripts": {
-    "build": "tsc"
+    "build": "tsc && node post-build-script.js"
   }
 }

packages/file-graph/post-build-script.js

@@ -0,0 +1,20 @@
+import fs from 'fs'
+import path from 'path'
+
+function addJsExtension(filePath) {
+  if (fs.statSync(filePath).isDirectory()) {
+    for (const child of fs.readdirSync(filePath)) {
+      addJsExtension(path.join(filePath, child))
+    }
+  } else if (filePath.endsWith('.js')) {
+    let content = fs.readFileSync(filePath, 'utf8')
+    content = content.replace(/from\s+["']([^"']+)["']/g, (match, group1) => {
+      if (!group1.match(/^[./]|http|https/)) return match // Skip node_modules
+      if (!group1.endsWith('.js')) return `from "${group1}.js"`
+      return match
+    })
+    fs.writeFileSync(filePath, content, 'utf8')
+  }
+}
+
+addJsExtension('./dist')

packages/file-graph/src/errors.ts

@@ -1,20 +1,20 @@
 /* eslint-disable max-classes-per-file */
 export class DuplicateItemError extends Error {
-  constructor(message) {
+  constructor(message: string) {
     super(message)
     this.name = 'DuplicateItemError'
   }
 }
 
 export class ParentNotExistsError extends Error {
-  constructor(message) {
+  constructor(message: string) {
     super(message)
     this.name = 'ParentNotExistsError'
   }
 }
 
 export class FileNotExistsError extends Error {
-  constructor(message) {
+  constructor(message: string) {
     super(message)
     this.name = 'FileNotExistsError'
   }

packages/file-graph/src/fileNode.js

@@ -3,7 +3,7 @@ import {
   DuplicateItemError,
   ParentNotExistsError,
   FileNotExistsError,
-} from './errors.js'
+} from './errors'
 import { basename, dirname } from './utils.js'
 
 export default class FileNode extends File {

packages/file-graph/tests/fileNode.test.js

@@ -1,4 +1,4 @@
-import { DuplicateItemError, ParentNotExistsError } from './errors.js'
+import { DuplicateItemError, ParentNotExistsError } from './errors'
 import FileNode from './fileNode.js'
 
 function createNodeFromFiles(files) {

packages/file-graph/tsconfig.json

@@ -1,14 +1,15 @@
 {
   "compilerOptions": {
-    "target": "esnext",
-    "module": "NodeNext",
-    "moduleResolution": "nodenext",
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleResolution": "node",
     "strict": true,
     "esModuleInterop": true,
     "outDir": "./dist",
     "declaration": true,
+    "sourceMap": true,
     "allowJs": true
   },
   "include": ["src"],
-  "exclude": ["node_modules", "src/*.test.js", "dist"]
+  "exclude": ["node_modules", "dist"]
 }