feat: add post-build-script to gradually migrate

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"]
 }