chore: use oxc module runner transform

.github/workflows/preview-release.yml

@@ -10,14 +10,14 @@ permissions:
 on:
   push:
     branches:
-      - main
+      - rolldown-vite
   pull_request:
     types: [opened, synchronize, labeled]
 
 jobs:
   preview:
     if: >
-      github.repository == 'vitejs/vite' &&
+      github.repository == 'vitejs/rolldown-vite' &&
       (github.event_name == 'push' ||
       (github.event_name == 'pull_request' && contains(github.event.pull_request.labels.*.name, 'trigger: preview')))
     runs-on: ubuntu-latest
@@ -35,4 +35,4 @@ jobs:
         working-directory: ./packages/vite
         run: pnpm build
 
-      - run: pnpm dlx pkg-pr-new@0.0 publish --compact --pnpm ./packages/vite
+      - run: pnpm dlx pkg-pr-new@0.0 publish --pnpm ./packages/vite

docs/.vitepress/config.ts

@@ -7,6 +7,9 @@ import {
 } from 'vitepress-plugin-group-icons'
 import { buildEnd } from './buildEnd.config'
 
+// NOTE: allow additional options to be passed to rolldown for now
+process.env.ROLLDOWN_OPTIONS_VALIDATION = 'loose'
+
 const ogDescription = 'Next Generation Frontend Tooling'
 const ogImage = 'https://vite.dev/og-image.jpg'
 const ogTitle = 'Vite'

docs/_data/blog.data.ts

@@ -9,8 +9,8 @@ interface Post {
   }
 }
 
-declare const data: Post[]
-export { data }
+// NOTE: https://github.com/rolldown/rolldown/issues/3048, https://github.com/oxc-project/oxc/issues/7951
+export declare const data: Post[]
 
 export default createContentLoader('blog/*.md', {
   // excerpt: true,

eslint.config.js

@@ -91,6 +91,7 @@ export default tseslint.config(
         {
           allowModules: [
             'vite',
+            'esbuild',
             'less',
             'sass',
             'sass-embedded',

packages/plugin-legacy/package.json

@@ -23,8 +23,8 @@
     }
   },
   "scripts": {
-    "dev": "unbuild --stub",
-    "build": "unbuild && pnpm run patch-cjs",
+    "//dev": "unbuild --stub",
+    "//build": "unbuild && pnpm run patch-cjs",
     "patch-cjs": "tsx ../../scripts/patchCJS.ts",
     "prepublishOnly": "npm run build"
   },

packages/vite/LICENSE.md

@@ -360,15 +360,11 @@ Repository: lukeed/polka
 
 ---------------------------------------
 
-## @rollup/plugin-alias, @rollup/plugin-commonjs, @rollup/plugin-dynamic-import-vars, @rollup/pluginutils
+## @rollup/plugin-alias, @rollup/plugin-dynamic-import-vars, @rollup/pluginutils
 License: MIT
 By: Johannes Stein
 Repository: rollup/plugins
 
-License: MIT
-By: Rich Harris
-Repository: rollup/plugins
-
 License: MIT
 By: LarsDenBakker
 Repository: rollup/plugins
@@ -584,38 +580,6 @@ Repository: git+https://github.com/paulmillr/chokidar.git
 
 ---------------------------------------
 
-## commondir, shell-quote
-License: MIT
-By: James Halliday
-Repositories: http://github.com/substack/node-commondir.git, http://github.com/ljharb/shell-quote.git
-
-> The MIT License
-> 
-> Copyright (c) 2013 James Halliday (mail@substack.net)
-> 
-> Permission is hereby granted, free of charge, 
-> to any person obtaining a copy of this software and 
-> associated documentation files (the "Software"), to 
-> deal in the Software without restriction, including 
-> without limitation the rights to use, copy, modify, 
-> merge, publish, distribute, sublicense, and/or sell 
-> copies of the Software, and to permit persons to whom 
-> the Software is furnished to do so, 
-> subject to the following conditions:
-> 
-> The above copyright notice and this permission notice 
-> shall be included in all copies or substantial portions of the Software.
-> 
-> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
-> EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
-> OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
-> IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
-> ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
-> TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
-> SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
----------------------------------------
-
 ## connect
 License: MIT
 By: TJ Holowaychuk, Douglas Christopher Wilson, Jonathan Ong, Tim Caswell
@@ -1298,13 +1262,6 @@ Repository: micromatch/is-glob
 
 ---------------------------------------
 
-## is-reference
-License: MIT
-By: Rich Harris
-Repository: git+https://github.com/Rich-Harris/is-reference.git
-
----------------------------------------
-
 ## isexe, which
 License: ISC
 By: Isaac Z. Schlueter
@@ -2147,6 +2104,38 @@ Repository: kevva/shebang-command
 
 ---------------------------------------
 
+## shell-quote
+License: MIT
+By: James Halliday
+Repository: http://github.com/ljharb/shell-quote.git
+
+> The MIT License
+> 
+> Copyright (c) 2013 James Halliday (mail@substack.net)
+> 
+> Permission is hereby granted, free of charge, 
+> to any person obtaining a copy of this software and 
+> associated documentation files (the "Software"), to 
+> deal in the Software without restriction, including 
+> without limitation the rights to use, copy, modify, 
+> merge, publish, distribute, sublicense, and/or sell 
+> copies of the Software, and to permit persons to whom 
+> the Software is furnished to do so, 
+> subject to the following conditions:
+> 
+> The above copyright notice and this permission notice 
+> shall be included in all copies or substantial portions of the Software.
+> 
+> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+> EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
+> OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+> IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
+> ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
+> TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+> SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+---------------------------------------
+
 ## sirv
 License: MIT
 By: Luke Edwards

packages/vite/index.cjs

@@ -15,6 +15,7 @@ const asyncFunctions = [
   'createServer',
   'preview',
   'transformWithEsbuild',
+  'transformWithOxc',
   'resolveConfig',
   'optimizeDeps',
   'formatPostcssSourceMap',

packages/vite/package.json

@@ -4,7 +4,7 @@
   "type": "module",
   "license": "MIT",
   "author": "Evan You",
-  "description": "Native-ESM powered web dev build tool",
+  "description": "Vite on Rolldown preview",
   "bin": {
     "vite": "bin/vite.js"
   },
@@ -85,9 +85,11 @@
   },
   "//": "READ CONTRIBUTING.md to understand what to put under deps vs. devDeps!",
   "dependencies": {
-    "esbuild": "^0.25.0",
+    "@oxc-project/runtime": "^0.56.0",
+    "lightningcss": "^1.29.1",
+    "oxc-transform": "^0.57.0",
     "postcss": "^8.5.3",
-    "rollup": "^4.30.1"
+    "rolldown": "1.0.0-beta.3-commit.e170e6e"
   },
   "optionalDependencies": {
     "fsevents": "~2.3.3"
@@ -96,6 +98,7 @@
     "@ampproject/remapping": "^2.3.0",
     "@babel/parser": "^7.26.9",
     "@jridgewell/trace-mapping": "^0.3.25",
+    "@oxc-project/types": "^0.56.0",
     "@polka/compression": "^1.0.0-next.25",
     "@rollup/plugin-alias": "^5.1.1",
     "@rollup/plugin-commonjs": "^28.0.2",
@@ -117,12 +120,12 @@
     "dotenv": "^16.4.7",
     "dotenv-expand": "^12.0.1",
     "es-module-lexer": "^1.6.0",
+    "esbuild": "^0.25.0",
     "escape-html": "^1.0.3",
     "estree-walker": "^3.0.3",
     "etag": "^1.8.1",
     "http-proxy": "^1.18.1",
     "launch-editor-middleware": "^2.10.0",
-    "lightningcss": "^1.29.1",
     "magic-string": "^0.30.17",
     "mlly": "^1.7.4",
     "mrmime": "^2.0.1",
@@ -137,6 +140,7 @@
     "postcss-load-config": "^6.0.1",
     "postcss-modules": "^6.0.1",
     "resolve.exports": "^2.0.3",
+    "rollup": "^4.30.1",
     "rollup-plugin-dts": "^6.1.1",
     "rollup-plugin-esbuild": "^6.2.1",
     "rollup-plugin-license": "^3.6.0",
@@ -155,9 +159,9 @@
   },
   "peerDependencies": {
     "@types/node": "^18.0.0 || ^20.0.0 || >=22.0.0",
+    "esbuild": "^0.25.0",
     "jiti": ">=1.21.0",
     "less": "*",
-    "lightningcss": "^1.21.0",
     "sass": "*",
     "sass-embedded": "*",
     "stylus": "*",
@@ -170,6 +174,9 @@
     "@types/node": {
       "optional": true
     },
+    "esbuild": {
+      "optional": true
+    },
     "jiti": {
       "optional": true
     },
@@ -188,9 +195,6 @@
     "sugarss": {
       "optional": true
     },
-    "lightningcss": {
-      "optional": true
-    },
     "terser": {
       "optional": true
     },

packages/vite/rollup.config.ts

@@ -110,7 +110,8 @@ const nodeConfig = defineConfig({
   external: [
     /^vite\//,
     'fsevents',
-    'rollup/parseAst',
+    'rolldown/parseAst',
+    'rolldown/experimental',
     /^tsx\//,
     /^#/,
     ...Object.keys(pkg.dependencies),
@@ -190,7 +191,7 @@ const moduleRunnerConfig = defineConfig({
   external: [
     'fsevents',
     'lightningcss',
-    'rollup/parseAst',
+    'rolldown/parseAst',
     ...Object.keys(pkg.dependencies),
   ],
   plugins: [

packages/vite/rollup.dts.config.ts

@@ -16,7 +16,8 @@ const pkg = JSON.parse(
 const external = [
   /^node:*/,
   /^vite\//,
-  'rollup/parseAst',
+  'rolldown/parseAst',
+  'rolldown/experimental',
   ...Object.keys(pkg.dependencies),
   ...Object.keys(pkg.peerDependencies),
   ...Object.keys(pkg.devDependencies),
@@ -46,17 +47,16 @@ const identifierWithTrailingDollarRE = /\b(\w+)\$\d+\b/g
  * the module that imports the identifer as a named import alias
  */
 const identifierReplacements: Record<string, Record<string, string>> = {
-  rollup: {
-    Plugin$1: 'rollup.Plugin',
-    PluginContext$1: 'rollup.PluginContext',
-    MinimalPluginContext$1: 'rollup.MinimalPluginContext',
-    TransformPluginContext$1: 'rollup.TransformPluginContext',
-    TransformResult$1: 'rollup.TransformResult',
+  rolldown: {
+    Plugin$1: 'rolldown.Plugin',
+    PluginContext$1: 'rolldown.PluginContext',
+    MinimalPluginContext$1: 'rolldown.MinimalPluginContext',
+    TransformPluginContext$1: 'rolldown.TransformPluginContext',
+    TransformResult$1: 'rolldown.TransformResult',
   },
-  esbuild: {
-    TransformResult$2: 'esbuild_TransformResult',
-    TransformOptions$1: 'esbuild_TransformOptions',
-    BuildOptions$1: 'esbuild_BuildOptions',
+  'rolldown/experimental': {
+    TransformOptions$1: 'rolldown_experimental_TransformOptions',
+    TransformResult$2: 'rolldown_experimental_TransformResult',
   },
   'node:https': {
     Server$1: 'HttpsServer',