rstackjs · chenjiahan · Jul 19, 2026 · Jul 19, 2026 · Jul 19, 2026 · Jul 19, 2026
diff --git a/package.json b/package.json
@@ -1,6 +1,7 @@
 {
   "name": "rstack-examples",
   "version": "1.0.0",
+  "type": "module",
   "description": "Repository for examples of rstack",
   "license": "MIT",
   "scripts": {

diff --git a/rsbuild/express/package.json b/rsbuild/express/package.json
@@ -5,7 +5,7 @@
   "type": "module",
   "scripts": {
     "build": "rsbuild build",
-    "dev": "node ./server.mjs",
+    "dev": "node ./server.js",
     "preview": "rsbuild preview"
   },
   "devDependencies": {

diff --git a/rsbuild/express/rsbuild.config.mjs → rsbuild/express/rsbuild.config.js b/rsbuild/express/rsbuild.config.mjs → rsbuild/express/rsbuild.config.js
diff --git a/rsbuild/express/server.mjs → rsbuild/express/server.js b/rsbuild/express/server.mjs → rsbuild/express/server.js
diff --git a/rsbuild/fastify/package.json b/rsbuild/fastify/package.json
@@ -5,7 +5,7 @@
   "type": "module",
   "scripts": {
     "build": "rsbuild build",
-    "dev": "node ./server.mjs",
+    "dev": "node ./server.js",
     "preview": "rsbuild preview"
   },
   "devDependencies": {

diff --git a/rsbuild/fastify/rsbuild.config.mjs → rsbuild/fastify/rsbuild.config.js b/rsbuild/fastify/rsbuild.config.mjs → rsbuild/fastify/rsbuild.config.js
diff --git a/rsbuild/fastify/server.mjs → rsbuild/fastify/server.js b/rsbuild/fastify/server.mjs → rsbuild/fastify/server.js
diff --git a/rsbuild/ssr-express-with-manifest/package.json b/rsbuild/ssr-express-with-manifest/package.json
@@ -5,8 +5,8 @@
   "type": "module",
   "scripts": {
     "build": "rsbuild build",
-    "dev": "cross-env NODE_OPTIONS=\"--experimental-vm-modules --no-warnings\" node ./server.mjs",
-    "preview": "node ./prod-server.mjs"
+    "dev": "cross-env NODE_OPTIONS=\"--experimental-vm-modules --no-warnings\" node ./server.js",
+    "preview": "node ./prod-server.js"
   },
   "dependencies": {
     "react": "^19.2.7",

diff --git a/...ssr-express-with-manifest/prod-server.mjs → .../ssr-express-with-manifest/prod-server.js b/...ssr-express-with-manifest/prod-server.mjs → .../ssr-express-with-manifest/prod-server.js
diff --git a/...-express-with-manifest/rsbuild.config.mjs → ...r-express-with-manifest/rsbuild.config.js b/...-express-with-manifest/rsbuild.config.mjs → ...r-express-with-manifest/rsbuild.config.js
diff --git a/rsbuild/ssr-express-with-manifest/server.mjs → rsbuild/ssr-express-with-manifest/server.js b/rsbuild/ssr-express-with-manifest/server.mjs → rsbuild/ssr-express-with-manifest/server.js
diff --git a/rsbuild/ssr-express/package.json b/rsbuild/ssr-express/package.json
@@ -5,8 +5,8 @@
   "type": "module",
   "scripts": {
     "build": "rsbuild build",
-    "dev": "cross-env NODE_OPTIONS=\"--experimental-vm-modules --no-warnings\" node ./server.mjs",
-    "preview": "node ./prod-server.mjs"
+    "dev": "cross-env NODE_OPTIONS=\"--experimental-vm-modules --no-warnings\" node ./server.js",
+    "preview": "node ./prod-server.js"
   },
   "dependencies": {
     "react": "^19.2.7",

diff --git a/rsbuild/ssr-express/prod-server.mjs → rsbuild/ssr-express/prod-server.js b/rsbuild/ssr-express/prod-server.mjs → rsbuild/ssr-express/prod-server.js
diff --git a/rsbuild/ssr-express/rsbuild.config.mjs → rsbuild/ssr-express/rsbuild.config.js b/rsbuild/ssr-express/rsbuild.config.mjs → rsbuild/ssr-express/rsbuild.config.js
diff --git a/rsbuild/ssr-express/server.mjs → rsbuild/ssr-express/server.js b/rsbuild/ssr-express/server.mjs → rsbuild/ssr-express/server.js
diff --git a/rsdoctor/rspack/package.json b/rsdoctor/rspack/package.json
@@ -2,6 +2,7 @@
   "name": "@rsdoctor-example/rspack",
   "version": "0.1.1",
   "private": true,
+  "type": "module",
   "scripts": {
     "build": "NODE_ENV=production rspack build",
     "build:analysis": "RSDOCTOR=true NODE_ENV=production rspack build",

diff --git a/rsdoctor/rspack/rspack.config.mjs → rsdoctor/rspack/rspack.config.js b/rsdoctor/rspack/rspack.config.mjs → rsdoctor/rspack/rspack.config.js
diff --git a/rslib/module-federation/package.json b/rslib/module-federation/package.json
@@ -1,6 +1,7 @@
 {
   "name": "@rslib-example/module-federation",
   "private": true,
+  "type": "module",
   "scripts": {
     "build:lib": "pnpm --filter rslib-mf-react-component run build",
     "dev:all:host": "pnpm dev:host & pnpm dev:mf & pnpm dev:remote",

diff --git a/...b/react-tailwindcss-v3/postcss.config.mjs → rslib/react-tailwindcss-v3/postcss.config.js b/...b/react-tailwindcss-v3/postcss.config.mjs → rslib/react-tailwindcss-v3/postcss.config.js
diff --git a/rslib/react-tailwindcss/postcss.config.mjs → rslib/react-tailwindcss/postcss.config.js b/rslib/react-tailwindcss/postcss.config.mjs → rslib/react-tailwindcss/postcss.config.js
diff --git a/rspack/basic-ts/package.json b/rspack/basic-ts/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/basic-ts",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "license": "MIT",
   "scripts": {
     "build": "rspack build",

diff --git a/rspack/basic-ts/rspack.config.mjs → rspack/basic-ts/rspack.config.js b/rspack/basic-ts/rspack.config.mjs → rspack/basic-ts/rspack.config.js
diff --git a/rspack/basic/package.json b/rspack/basic/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/basic",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "license": "MIT",
   "scripts": {
     "build": "rspack build",

diff --git a/rspack/basic/rspack.config.mjs → rspack/basic/rspack.config.js b/rspack/basic/rspack.config.mjs → rspack/basic/rspack.config.js
@@ -3,6 +3,16 @@ import { rspack } from '@rspack/core';
 import { defineConfig } from '@rspack/cli';
 
 export default defineConfig({
+  module: {
+    rules: [
+      {
+        test: /\.[cm]?[jt]sx?$/,
+        resolve: {
+          fullySpecified: false,
+        },
+      },
+    ],
+  },
   entry: './src/index.js',
   plugins: [
     new rspack.HtmlRspackPlugin({

diff --git a/rspack/builtin-swc-loader/package.json b/rspack/builtin-swc-loader/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/builtin-swc-loader",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "license": "MIT",
   "scripts": {
     "build": "rspack build",

diff --git a/rspack/builtin-swc-loader/rspack.config.mjs → rspack/builtin-swc-loader/rspack.config.js b/rspack/builtin-swc-loader/rspack.config.mjs → rspack/builtin-swc-loader/rspack.config.js
@@ -18,6 +18,12 @@ export default defineConfig({
   },
   module: {
     rules: [
+      {
+        test: /\.[cm]?[jt]sx?$/,
+        resolve: {
+          fullySpecified: false,
+        },
+      },
       {
         test: /\.css$/,
         type: 'css',

diff --git a/rspack/bundle-splitting/package.json b/rspack/bundle-splitting/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/bundle-splitting",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "license": "MIT",
   "scripts": {
     "build": "rspack build",

diff --git a/rspack/bundle-splitting/rspack.config.mjs → rspack/bundle-splitting/rspack.config.js b/rspack/bundle-splitting/rspack.config.mjs → rspack/bundle-splitting/rspack.config.js
@@ -7,6 +7,14 @@ export default defineConfig({
     main: './index.js',
   },
   module: {
+    rules: [
+      {
+        test: /\.[cm]?[jt]sx?$/,
+        resolve: {
+          fullySpecified: false,
+        },
+      },
+    ],
     parser: {
       asset: {
         dataUrlCondition: {

diff --git a/rspack/case-sensitive-paths-webpack-plugin/package.json b/rspack/case-sensitive-paths-webpack-plugin/package.json
@@ -1,6 +1,7 @@
 {
   "name": "@rspack-example/case-sensitive-paths-webpack-plugin",
   "private": true,
+  "type": "module",
   "scripts": {
     "build": "rspack build || echo 'make-ci-happy'",
     "dev": "rspack dev"

diff --git a/...ve-paths-webpack-plugin/rspack.config.mjs → ...ive-paths-webpack-plugin/rspack.config.js b/...ve-paths-webpack-plugin/rspack.config.mjs → ...ive-paths-webpack-plugin/rspack.config.js
@@ -3,5 +3,15 @@ import { defineConfig } from '@rspack/cli';
 import CaseSensitivePlugin from 'case-sensitive-paths-webpack-plugin';
 
 export default defineConfig({
+  module: {
+    rules: [
+      {
+        test: /\.[cm]?[jt]sx?$/,
+        resolve: {
+          fullySpecified: false,
+        },
+      },
+    ],
+  },
   plugins: [new CaseSensitivePlugin()],
 });
diff --git a/rspack/code-splitting/package.json b/rspack/code-splitting/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/code-splitting",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "license": "MIT",
   "scripts": {
     "build": "rspack build",

diff --git a/rspack/code-splitting/rspack.config.mjs → rspack/code-splitting/rspack.config.js b/rspack/code-splitting/rspack.config.mjs → rspack/code-splitting/rspack.config.js
@@ -3,6 +3,16 @@ import { rspack } from '@rspack/core';
 import { defineConfig } from '@rspack/cli';
 
 export default defineConfig({
+  module: {
+    rules: [
+      {
+        test: /\.[cm]?[jt]sx?$/,
+        resolve: {
+          fullySpecified: false,
+        },
+      },
+    ],
+  },
   entry: {
     main: './index.js',
   },

diff --git a/rspack/common-libs/lib1/package.json b/rspack/common-libs/lib1/package.json
@@ -1,6 +1,7 @@
 {
   "name": "lib1",
   "version": "1.0.0",
+  "type": "module",
   "main": "dist/index.js",
   "source": "src/index.ts",
   "scripts": {

diff --git a/rspack/common-libs/lib1/tsconfig.json b/rspack/common-libs/lib1/tsconfig.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
     "outDir": "dist",
     "rootDir": "src",
     "paths": {

diff --git a/rspack/common-libs/lib2/package.json b/rspack/common-libs/lib2/package.json
@@ -1,6 +1,7 @@
 {
   "name": "lib2",
   "version": "1.0.0",
+  "type": "module",
   "main": "dist/index.js",
   "source": "src/index.ts",
   "scripts": {

diff --git a/rspack/common-libs/lib2/tsconfig.json b/rspack/common-libs/lib2/tsconfig.json
@@ -1,6 +1,8 @@
 {
   "extends": "../../../tsconfig.base.json",
   "compilerOptions": {
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
     "outDir": "dist",
     "rootDir": "src",
     "paths": {

diff --git a/rspack/common-libs/lib3/package.json b/rspack/common-libs/lib3/package.json
@@ -1,6 +1,7 @@
 {
   "name": "lib3",
   "version": "1.0.0",
+  "type": "module",
   "main": "src/index.js",
   "license": "MIT"
 }
diff --git a/rspack/cra-ts/package.json b/rspack/cra-ts/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/cra-app-ts",
   "version": "0.1.1",
   "private": true,
+  "type": "module",
   "scripts": {
     "build": "rspack build",
     "dev": "rspack dev"

diff --git a/rspack/cra-ts/rspack.config.mjs → rspack/cra-ts/rspack.config.js b/rspack/cra-ts/rspack.config.mjs → rspack/cra-ts/rspack.config.js
diff --git a/rspack/cra/package.json b/rspack/cra/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/cra-app",
   "version": "0.1.0",
   "private": true,
+  "type": "module",
   "scripts": {
     "build": "rspack build",
     "dev": "rspack dev"

diff --git a/rspack/cra/rspack.config.mjs → rspack/cra/rspack.config.js b/rspack/cra/rspack.config.mjs → rspack/cra/rspack.config.js
@@ -12,6 +12,12 @@ export default defineConfig({
   },
   module: {
     rules: [
+      {
+        test: /\.[cm]?[jt]sx?$/,
+        resolve: {
+          fullySpecified: false,
+        },
+      },
       {
         test: /\.css$/,
         type: 'css',

diff --git a/rspack/css-chunking-plugin/package.json b/rspack/css-chunking-plugin/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/css-chunking-plugin",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "license": "MIT",
   "scripts": {
     "build": "rspack build",

diff --git a/rspack/css-chunking-plugin/rspack.config.mjs → rspack/css-chunking-plugin/rspack.config.js b/rspack/css-chunking-plugin/rspack.config.mjs → rspack/css-chunking-plugin/rspack.config.js
@@ -6,6 +6,12 @@ export default defineConfig({
   entry: './src/index.js',
   module: {
     rules: [
+      {
+        test: /\.[cm]?[jt]sx?$/,
+        resolve: {
+          fullySpecified: false,
+        },
+      },
       {
         test: /\.css$/,
         type: 'css',

diff --git a/rspack/css-parser-generator-options/package.json b/rspack/css-parser-generator-options/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/css-parser-generator-options",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "license": "MIT",
   "scripts": {
     "build": "rspack build",

diff --git a/...arser-generator-options/rspack.config.mjs → ...parser-generator-options/rspack.config.js b/...arser-generator-options/rspack.config.mjs → ...parser-generator-options/rspack.config.js
diff --git a/rspack/dll-reference/package.json b/rspack/dll-reference/package.json
@@ -1,6 +1,7 @@
 {
   "name": "@rspack-example/dll-reference-plugin",
   "private": true,
+  "type": "module",
   "scripts": {
     "build": "rspack build || echo 'make-ci-happy'",
     "dev": "rspack dev"

diff --git a/rspack/dll-reference/rspack.config.mjs → rspack/dll-reference/rspack.config.js b/rspack/dll-reference/rspack.config.mjs → rspack/dll-reference/rspack.config.js
@@ -4,6 +4,16 @@ import { defineConfig } from '@rspack/cli';
 import { rspack } from '@rspack/core';
 
 export default defineConfig({
+  module: {
+    rules: [
+      {
+        test: /\.[cm]?[jt]sx?$/,
+        resolve: {
+          fullySpecified: false,
+        },
+      },
+    ],
+  },
   entry: './index',
   output: {
     path: path.resolve(import.meta.dirname, 'dist'),

diff --git a/rspack/dll/package.json b/rspack/dll/package.json
@@ -1,6 +1,7 @@
 {
   "name": "@rspack-example/dll-plugin",
   "private": true,
+  "type": "module",
   "scripts": {
     "build": "rspack build || echo 'make-ci-happy'",
     "dev": "rspack dev"

diff --git a/rspack/dll/rspack.config.mjs → rspack/dll/rspack.config.js b/rspack/dll/rspack.config.mjs → rspack/dll/rspack.config.js
diff --git a/rspack/emotion/package.json b/rspack/emotion/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/emotion",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "license": "MIT",
   "scripts": {
     "build": "rspack build",

diff --git a/rspack/emotion/rspack.config.mjs → rspack/emotion/rspack.config.js b/rspack/emotion/rspack.config.mjs → rspack/emotion/rspack.config.js
diff --git a/rspack/eslint/eslint.config.mjs → rspack/eslint/eslint.config.js b/rspack/eslint/eslint.config.mjs → rspack/eslint/eslint.config.js
diff --git a/rspack/eslint/package.json b/rspack/eslint/package.json
@@ -2,11 +2,12 @@
   "name": "@rspack-example/eslint",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "license": "MIT",
   "scripts": {
     "build": "rspack build",
     "dev": "rspack serve -c",
-    "dev:loader": "rspack serve -c rspack.config.loader.mjs"
+    "dev:loader": "rspack serve -c rspack.config.loader.js"
   },
   "devDependencies": {
     "@rspack/cli": "2.1.4",

diff --git a/rspack/eslint/rspack.config.mjs → rspack/eslint/rspack.config.js b/rspack/eslint/rspack.config.mjs → rspack/eslint/rspack.config.js
@@ -3,6 +3,16 @@ import { defineConfig } from '@rspack/cli';
 import EslintPlugin from 'eslint-rspack-plugin';
 
 export default defineConfig({
+  module: {
+    rules: [
+      {
+        test: /\.[cm]?[jt]sx?$/,
+        resolve: {
+          fullySpecified: false,
+        },
+      },
+    ],
+  },
   context: import.meta.dirname,
   entry: {
     main: './src/index.js',

diff --git a/rspack/eslint/rspack.config.loader.mjs → rspack/eslint/rspack.config.loader.js b/rspack/eslint/rspack.config.loader.mjs → rspack/eslint/rspack.config.loader.js
diff --git a/rspack/express/package.json b/rspack/express/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/express",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "license": "MIT",
   "scripts": {
     "build": "cross-env BUILD=true rspack build",

diff --git a/rspack/express/rspack.config.mjs → rspack/express/rspack.config.js b/rspack/express/rspack.config.mjs → rspack/express/rspack.config.js
@@ -8,6 +8,9 @@ export default defineConfig({
   entry: {
     main: ['@rspack/core/hot/poll?100', './src/main.ts'],
   },
+  output: {
+    filename: '[name].cjs',
+  },
   resolve: {
     extensions: ['...', '.ts', '.tsx', '.jsx'],
   },
@@ -39,7 +42,7 @@ export default defineConfig({
   plugins: [
     !process.env.BUILD &&
       new RunScriptWebpackPlugin({
-        name: 'main.js',
+        name: 'main.cjs',
         autoRestart: false,
       }),
   ],

diff --git a/rspack/extract-license/package.json b/rspack/extract-license/package.json
@@ -2,6 +2,7 @@
   "name": "@rspack-example/extract-license",
   "version": "1.0.0",
   "private": true,
+  "type": "module",
   "license": "MIT",
   "scripts": {
     "build": "rspack build",

diff --git a/rspack/extract-license/rspack.config.mjs → rspack/extract-license/rspack.config.js b/rspack/extract-license/rspack.config.mjs → rspack/extract-license/rspack.config.js