fix!: use type module (revert #1411)

packages/vitest/index.d.cts

@@ -0,0 +1 @@
+export * from './dist/index.js'

packages/vitest/package.json

@@ -1,5 +1,6 @@
 {
   "name": "vitest",
+  "type": "module",
   "version": "0.15.0",
   "description": "A blazing fast unit test framework powered by Vite",
   "author": "Anthony Fu <anthonyfu117@hotmail.com>",
@@ -21,8 +22,14 @@
   ],
   "exports": {
     ".": {
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.mjs"
+      "require": {
+        "types": "./index.d.cts",
+        "default": "./index.cjs"
+      },
+      "import": {
+        "types": "./dist/index.d.ts",
+        "default": "./dist/index.js"
+      }
     },
     "./*": "./*",
     "./globals": {
@@ -33,16 +40,16 @@
     },
     "./node": {
       "types": "./dist/node.d.ts",
-      "import": "./dist/node.mjs"
+      "import": "./dist/node.js"
     },
     "./config": {
       "types": "./config.d.ts",
       "require": "./dist/config.cjs",
-      "import": "./dist/config.mjs"
+      "import": "./dist/config.js"
     }
   },
-  "main": "./dist/index.mjs",
-  "module": "./dist/index.mjs",
+  "main": "./dist/index.js",
+  "module": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "bin": {
     "vitest": "./vitest.mjs"

packages/vitest/rollup.config.js

@@ -56,12 +56,11 @@ const plugins = [
 ]
 
 export default ({ watch }) => [
-  {
+  defineConfig({
     input: entries,
     output: {
       dir: 'dist',
       format: 'esm',
-      entryFileNames: '[name].mjs',
       chunkFileNames: (chunkInfo) => {
         const id = chunkInfo.facadeModuleId || Object.keys(chunkInfo.modules).find(i => !i.includes('node_modules') && i.includes('src/'))
         if (id) {
@@ -71,9 +70,9 @@ export default ({ watch }) => [
               .filter(i => !['src', 'index', 'dist', 'node_modules'].some(j => i.includes(j)) && i.match(/^[\w_-]+$/))),
           )
           if (parts.length)
-            return `chunk-${parts.slice(-2).join('-')}.[hash].mjs`
+            return `chunk-${parts.slice(-2).join('-')}.[hash].js`
         }
-        return 'vendor-[name].[hash].mjs'
+        return 'vendor-[name].[hash].js'
       },
     },
     external,
@@ -86,22 +85,22 @@ export default ({ watch }) => [
         return
       console.error(message)
     },
-  },
-  {
+  }),
+  defineConfig({
     input: 'src/config.ts',
     output: [
       {
         file: 'dist/config.cjs',
         format: 'cjs',
       },
       {
-        file: 'dist/config.mjs',
+        file: 'dist/config.js',
         format: 'esm',
       },
     ],
     external,
     plugins,
-  },
+  }),
   ...dtsEntries.map((input) => {
     const _external = external
     // index is vitest default types export

packages/vitest/src/node/pool.ts

@@ -19,7 +19,7 @@ export interface WorkerPool {
   close: () => Promise<void>
 }
 
-const workerPath = pathToFileURL(resolve(distDir, './worker.mjs')).href
+const workerPath = pathToFileURL(resolve(distDir, './worker.js')).href
 
 export function createPool(ctx: Vitest): WorkerPool {
   const threadsCount = ctx.config.watch

packages/vitest/src/runtime/mocker.ts

@@ -230,7 +230,7 @@ export class VitestMocker {
   private async ensureSpy() {
     if (VitestMocker.spyModule)
       return
-    VitestMocker.spyModule = await this.request(`/@fs/${slash(resolve(distDir, 'spy.mjs'))}`) as typeof import('../integrations/spy')
+    VitestMocker.spyModule = await this.request(`/@fs/${slash(resolve(distDir, 'spy.js'))}`) as typeof import('../integrations/spy')
   }
 
   public async requestWithMock(dep: string) {

packages/vitest/src/runtime/worker.ts

@@ -38,7 +38,7 @@ async function startViteNode(ctx: WorkerContext) {
 
   const { run } = (await executeInViteNode({
     files: [
-      resolve(distDir, 'entry.mjs'),
+      resolve(distDir, 'entry.js'),
     ],
     fetchModule(id) {
       return rpc().fetch(id)

packages/vitest/vitest.mjs

@@ -1,2 +1,2 @@
 #!/usr/bin/env node
-import './dist/cli.mjs'
+import './dist/cli.js'