feat(rspack,webpack): add rspack builder (#29142)

Co-authored-by: "yangjian.fe" <yangjian.fe@bytedance.com>
Co-authored-by: underfin <likui6666666@gmail.com>

.github/workflows/ci.yml

@@ -191,7 +191,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest]
         env: ["dev", "built"]
-        builder: ["vite", "webpack"]
+        builder: ["vite", "rspack", "webpack"]
         context: ["async", "default"]
         manifest: ["manifest-on", "manifest-off"]
         payload: ["json", "js"]
@@ -199,12 +199,18 @@ jobs:
         exclude:
           - builder: "webpack"
             payload: "js"
+          - builder: "rspack"
+            payload: "js"
           - manifest: "manifest-off"
             payload: "js"
           - context: "default"
             payload: "js"
           - os: windows-latest
             payload: "js"
+          - env: "dev"
+            builder: "rspack"
+          - manifest: "manifest-off"
+            builder: "rspack"
           - env: "dev"
             builder: "webpack"
           - manifest: "manifest-off"

package.json

@@ -35,6 +35,7 @@
   },
   "resolutions": {
     "@nuxt/kit": "workspace:*",
+    "@nuxt/rspack-builder": "workspace:*",
     "@nuxt/schema": "workspace:*",
     "@nuxt/ui-templates": "workspace:*",
     "@nuxt/vite-builder": "workspace:*",
@@ -63,6 +64,7 @@
     "@eslint/js": "9.12.0",
     "@nuxt/eslint-config": "0.5.7",
     "@nuxt/kit": "workspace:*",
+    "@nuxt/rspack-builder": "workspace:*",
     "@nuxt/test-utils": "3.14.3",
     "@nuxt/webpack-builder": "workspace:*",
     "@testing-library/vue": "8.1.0",

packages/kit/build.config.ts

@@ -6,6 +6,7 @@ export default defineBuildConfig({
     'src/index',
   ],
   externals: [
+    '@rspack/core',
     '@nuxt/schema',
     'nitropack',
     'nitro',

packages/kit/package.json

@@ -48,6 +48,7 @@
     "untyped": "^1.5.1"
   },
   "devDependencies": {
+    "@rspack/core": "1.0.8",
     "@types/hash-sum": "1.0.2",
     "@types/semver": "7.5.8",
     "nitro": "npm:nitro-nightly@3.0.0-beta-28665895.e727afda",

packages/kit/src/build.ts

@@ -1,4 +1,5 @@
 import type { Configuration as WebpackConfig, WebpackPluginInstance } from 'webpack'
+import type { RspackPluginInstance } from '@rspack/core'
 import type { UserConfig as ViteConfig, Plugin as VitePlugin } from 'vite'
 import { useNuxt } from './context'
 import { toArray } from './utils'
@@ -36,16 +37,7 @@ export interface ExtendWebpackConfigOptions extends ExtendConfigOptions {}
 // eslint-disable-next-line @typescript-eslint/no-empty-object-type
 export interface ExtendViteConfigOptions extends ExtendConfigOptions {}
 
-/**
+const extendWebpackCompatibleConfig = (builder: 'rspack' | 'webpack') => (fn: ((config: WebpackConfig) => void), options: ExtendWebpackConfigOptions = {}) => {
- * Extend webpack config
- *
- * The fallback function might be called multiple times
- * when applying to both client and server builds.
- */
-export function extendWebpackConfig (
-  fn: ((config: WebpackConfig) => void),
-  options: ExtendWebpackConfigOptions = {},
-) {
   const nuxt = useNuxt()
 
   if (options.dev === false && nuxt.options.dev) {
@@ -55,7 +47,7 @@ export function extendWebpackConfig (
     return
   }
 
-  nuxt.hook('webpack:config', (configs: WebpackConfig[]) => {
+  nuxt.hook(`${builder}:config`, (configs) => {
     if (options.server !== false) {
       const config = configs.find(i => i.name === 'server')
       if (config) {
@@ -71,13 +63,25 @@ export function extendWebpackConfig (
   })
 }
 
+/**
+ * Extend webpack config
+ *
+ * The fallback function might be called multiple times
+ * when applying to both client and server builds.
+ */
+export const extendWebpackConfig = extendWebpackCompatibleConfig('webpack')
+/**
+ * Extend rspack config
+ *
+ * The fallback function might be called multiple times
+ * when applying to both client and server builds.
+ */
+export const extendRspackConfig = extendWebpackCompatibleConfig('rspack')
+
 /**
  * Extend Vite config
  */
-export function extendViteConfig (
+export function extendViteConfig (fn: ((config: ViteConfig) => void), options: ExtendViteConfigOptions = {}) {
-  fn: ((config: ViteConfig) => void),
-  options: ExtendViteConfigOptions = {},
-) {
   const nuxt = useNuxt()
 
   if (options.dev === false && nuxt.options.dev) {
@@ -114,6 +118,18 @@ export function addWebpackPlugin (pluginOrGetter: WebpackPluginInstance | Webpac
     config.plugins[method](...toArray(plugin))
   }, options)
 }
+/**
+ * Append rspack plugin to the config.
+ */
+export function addRspackPlugin (pluginOrGetter: RspackPluginInstance | RspackPluginInstance[] | (() => RspackPluginInstance | RspackPluginInstance[]), options?: ExtendWebpackConfigOptions) {
+  extendRspackConfig((config) => {
+    const method: 'push' | 'unshift' = options?.prepend ? 'unshift' : 'push'
+    const plugin = typeof pluginOrGetter === 'function' ? pluginOrGetter() : pluginOrGetter
+
+    config.plugins = config.plugins || []
+    config.plugins[method](...toArray(plugin))
+  }, options)
+}
 
 /**
  * Append Vite plugin to the config.
@@ -131,6 +147,7 @@ export function addVitePlugin (pluginOrGetter: VitePlugin | VitePlugin[] | (() =
 interface AddBuildPluginFactory {
   vite?: () => VitePlugin | VitePlugin[]
   webpack?: () => WebpackPluginInstance | WebpackPluginInstance[]
+  rspack?: () => RspackPluginInstance | RspackPluginInstance[]
 }
 
 export function addBuildPlugin (pluginFactory: AddBuildPluginFactory, options?: ExtendConfigOptions) {
@@ -141,4 +158,8 @@ export function addBuildPlugin (pluginFactory: AddBuildPluginFactory, options?:
   if (pluginFactory.webpack) {
     addWebpackPlugin(pluginFactory.webpack, options)
   }
+
+  if (pluginFactory.rspack) {
+    addRspackPlugin(pluginFactory.rspack, options)
+  }
 }

packages/kit/src/compatibility.ts

@@ -8,6 +8,7 @@ export function normalizeSemanticVersion (version: string) {
 }
 
 const builderMap = {
+  '@nuxt/rspack-builder': 'rspack',
   '@nuxt/vite-builder': 'vite',
   '@nuxt/webpack-builder': 'webpack',
 }

packages/kit/src/index.ts

@@ -13,7 +13,7 @@ export type { LoadNuxtOptions } from './loader/nuxt'
 // Utils
 export { addImports, addImportsDir, addImportsSources } from './imports'
 export { updateRuntimeConfig, useRuntimeConfig } from './runtime-config'
-export { addBuildPlugin, addVitePlugin, addWebpackPlugin, extendViteConfig, extendWebpackConfig } from './build'
+export { addBuildPlugin, addVitePlugin, addRspackPlugin, addWebpackPlugin, extendViteConfig, extendRspackConfig, extendWebpackConfig } from './build'
 export type { ExtendConfigOptions, ExtendViteConfigOptions, ExtendWebpackConfigOptions } from './build'
 export { assertNuxtCompatibility, checkNuxtCompatibility, getNuxtVersion, hasNuxtCompatibility, isNuxtMajorVersion, normalizeSemanticVersion, isNuxt2, isNuxt3 } from './compatibility'
 export { addComponent, addComponentsDir } from './components'

packages/nuxt/src/components/module.ts

@@ -274,7 +274,8 @@ export default defineNuxtModule<ComponentsOptions>({
         }
       })
 
-      nuxt.hook('webpack:config', (configs) => {
+      for (const key of ['rspack:config', 'webpack:config'] as const) {
+        nuxt.hook(key, (configs) => {
           configs.forEach((config) => {
             const mode = config.name === 'client' ? 'client' : 'server'
             config.plugins = config.plugins || []
@@ -285,5 +286,6 @@ export default defineNuxtModule<ComponentsOptions>({
           })
         })
       }
+    }
   },
 })

packages/nuxt/src/core/nitro.ts

@@ -347,7 +347,7 @@ export async function initNitro (nuxt: Nuxt & { _nitro?: Nitro }) {
     }
   }
 
-  if (nuxt.options.builder === '@nuxt/webpack-builder' || nuxt.options.dev) {
+  if (nuxt.options.dev || nuxt.options.builder === '@nuxt/webpack-builder' || nuxt.options.builder === '@nuxt/rspack-builder') {
     nitroConfig.virtual!['#build/dist/server/styles.mjs'] = 'export default {}'
     // In case a non-normalized absolute path is called for on Windows
     if (process.platform === 'win32') {
@@ -448,7 +448,8 @@ export async function initNitro (nuxt: Nuxt & { _nitro?: Nitro }) {
         }
       }
     })
-    nuxt.hook('webpack:config', (configuration) => {
+    for (const hook of ['webpack:config', 'rspack:config'] as const) {
+      nuxt.hook(hook, (configuration) => {
         const clientConfig = configuration.find(config => config.name === 'client')
         if (!clientConfig!.resolve) { clientConfig!.resolve!.alias = {} }
         if (Array.isArray(clientConfig!.resolve!.alias)) {
@@ -461,6 +462,7 @@ export async function initNitro (nuxt: Nuxt & { _nitro?: Nitro }) {
         }
       })
     }
+  }
 
   // Setup handlers
   const devMiddlewareHandler = dynamicEventHandler()
@@ -545,13 +547,15 @@ export async function initNitro (nuxt: Nuxt & { _nitro?: Nitro }) {
 
   // nuxt dev
   if (nuxt.options.dev) {
-    nuxt.hook('webpack:compile', ({ name, compiler }) => {
+    for (const builder of ['webpack', 'rspack'] as const) {
+      nuxt.hook(`${builder}:compile`, ({ name, compiler }) => {
         if (name === 'server') {
           const memfs = compiler.outputFileSystem as typeof import('node:fs')
           nitro.options.virtual['#build/dist/server/server.mjs'] = () => memfs.readFileSync(join(nuxt.options.buildDir, 'dist/server/server.mjs'), 'utf-8')
         }
       })
-    nuxt.hook('webpack:compiled', () => { nuxt.server.reload() })
+      nuxt.hook(`${builder}:compiled`, () => { nuxt.server.reload() })
+    }
     nuxt.hook('vite:compiled', () => { nuxt.server.reload() })
 
     nuxt.hook('server:devHandler', (h) => { devMiddlewareHandler.set(h) })

packages/nuxt/src/core/nuxt.ts

@@ -497,9 +497,11 @@ async function initNuxt (nuxt: Nuxt) {
 
   const envMap = {
     // defaults from `builder` based on package name
+    '@nuxt/rspack-builder': '@rspack/core/module',
     '@nuxt/vite-builder': 'vite/client',
     '@nuxt/webpack-builder': 'webpack/module',
     // simpler overrides from `typescript.builder` for better DX
+    'rspack': '@rspack/core/module',
     'vite': 'vite/client',
     'webpack': 'webpack/module',
     // default 'merged' builder environment for module authors

packages/rspack/build.config.ts

@@ -0,0 +1,18 @@
+import { defineBuildConfig } from 'unbuild'
+import config from '../webpack/build.config'
+
+export default defineBuildConfig({
+  ...config[0],
+  externals: [
+    '@rspack/core',
+    '#builder',
+    '@nuxt/schema',
+  ],
+  entries: [
+    {
+      input: '../webpack/src/index',
+      name: 'index',
+      declaration: true,
+    },
+  ],
+})

packages/rspack/builder.mjs

@@ -0,0 +1,5 @@
+import webpack from '@rspack/core'
+
+export const builder = 'rspack'
+export { webpack }
+export const MiniCssExtractPlugin = webpack.CssExtractRspackPlugin

packages/rspack/package.json

@@ -0,0 +1,94 @@
+{
+  "name": "@nuxt/rspack-builder",
+  "version": "3.12.2",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/nuxt/nuxt.git",
+    "directory": "packages/rspack"
+  },
+  "description": "rspack bundler for Nuxt",
+  "homepage": "https://nuxt.com",
+  "license": "MIT",
+  "type": "module",
+  "types": "./dist/index.d.ts",
+  "imports": {
+    "#builder": "./builder.mjs"
+  },
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.mjs"
+    },
+    "./dist/*": "./dist/*"
+  },
+  "files": [
+    "dist",
+    "builder.mjs"
+  ],
+  "scripts": {
+    "prepack": "unbuild"
+  },
+  "dependencies": {
+    "@nuxt/friendly-errors-webpack-plugin": "^2.6.0",
+    "@nuxt/kit": "workspace:*",
+    "@rspack/core": "^1.0.8",
+    "autoprefixer": "^10.4.20",
+    "css-loader": "^7.1.2",
+    "css-minimizer-webpack-plugin": "^7.0.0",
+    "cssnano": "^7.0.6",
+    "defu": "^6.1.4",
+    "esbuild-loader": "^4.2.2",
+    "escape-string-regexp": "^5.0.0",
+    "estree-walker": "^3.0.3",
+    "file-loader": "^6.2.0",
+    "fork-ts-checker-webpack-plugin": "^9.0.2",
+    "globby": "^14.0.2",
+    "h3": "npm:h3-nightly@2.0.0-1718872656.6765a6e",
+    "hash-sum": "^2.0.0",
+    "jiti": "^2.3.3",
+    "knitwork": "^1.1.0",
+    "lodash-es": "4.17.21",
+    "magic-string": "^0.30.11",
+    "memfs": "^4.13.0",
+    "mlly": "^1.7.2",
+    "ohash": "^1.1.4",
+    "pathe": "^1.1.2",
+    "pify": "^6.1.0",
+    "postcss": "^8.4.47",
+    "postcss-import": "^16.1.0",
+    "postcss-import-resolver": "^2.0.0",
+    "postcss-loader": "^8.1.1",
+    "postcss-url": "^10.1.3",
+    "pug-plain-loader": "^1.1.0",
+    "std-env": "^3.7.0",
+    "time-fix-plugin": "^2.0.7",
+    "ufo": "^1.5.4",
+    "unenv": "^1.10.0",
+    "unplugin": "^1.14.1",
+    "url-loader": "^4.1.1",
+    "vue-bundle-renderer": "^2.1.1",
+    "vue-loader": "^17.4.2",
+    "webpack-bundle-analyzer": "^4.10.2",
+    "webpack-dev-middleware": "^7.4.2",
+    "webpack-hot-middleware": "^2.26.1",
+    "webpack-virtual-modules": "^0.6.2",
+    "webpackbar": "^6.0.1"
+  },
+  "devDependencies": {
+    "@nuxt/schema": "workspace:*",
+    "@types/hash-sum": "1.0.2",
+    "@types/lodash-es": "4.17.12",
+    "@types/pify": "5.0.4",
+    "@types/webpack-bundle-analyzer": "4.7.0",
+    "@types/webpack-hot-middleware": "2.25.9",
+    "rollup": "4.24.0",
+    "unbuild": "3.0.0-rc.11",
+    "vue": "3.5.11"
+  },
+  "peerDependencies": {
+    "vue": "^3.3.4"
+  },
+  "engines": {
+    "node": "^14.18.0 || >=16.10.0"
+  }
+}

packages/schema/src/config/build.ts

@@ -7,14 +7,15 @@ import { consola } from 'consola'
 export default defineUntypedSchema({
   /**
    * The builder to use for bundling the Vue part of your application.
-   * @type {'vite' | 'webpack' | { bundle: (nuxt: typeof import('../src/types/nuxt').Nuxt) => Promise<void> }}
+   * @type {'vite' | 'webpack' | 'rspack' | { bundle: (nuxt: typeof import('../src/types/nuxt').Nuxt) => Promise<void> }}
    */
   builder: {
-    $resolve: async (val: 'vite' | 'webpack' | { bundle: (nuxt: unknown) => Promise<void> } | undefined = 'vite', get) => {
+    $resolve: async (val: 'vite' | 'webpack' | 'rspack' | { bundle: (nuxt: unknown) => Promise<void> } | undefined = 'vite', get) => {
       if (typeof val === 'object') {
         return val
       }
       const map: Record<string, string> = {
+        rspack: '@nuxt/rspack-builder',
         vite: '@nuxt/vite-builder',
         webpack: '@nuxt/webpack-builder',
       }

packages/schema/src/config/typescript.ts

@@ -20,7 +20,7 @@ export default defineUntypedSchema({
      * builder environment types (with `false`) to handle this fully yourself, or opt for a 'shared' option.
      *
      * The 'shared' option is advised for module authors, who will want to support multiple possible builders.
-     * @type {'vite' | 'webpack' | 'shared' | false | undefined}
+     * @type {'vite' | 'webpack' | 'rspack' | 'shared' | false | undefined}
      */
     builder: {
       $resolve: val => val ?? null,

packages/schema/src/types/compatibility.ts

@@ -26,7 +26,7 @@ export interface NuxtCompatibility {
    * })
    * ```
    */
-  builder?: Partial<Record<'vite' | 'webpack' | (string & {}), false | string>>
+  builder?: Partial<Record<'vite' | 'webpack' | 'rspack' | (string & {}), false | string>>
 }
 
 export interface NuxtCompatibilityIssue {

packages/schema/src/types/config.ts

@@ -81,7 +81,7 @@ export interface NuxtBuilder {
 export interface NuxtOptions extends Omit<ConfigSchema, 'vue' | 'sourcemap' | 'builder' | 'postcss' | 'webpack'> {
   vue: Omit<ConfigSchema['vue'], 'config'> & { config?: Partial<Filter<VueAppConfig, string | boolean>> }
   sourcemap: Required<Exclude<ConfigSchema['sourcemap'], boolean>>
-  builder: '@nuxt/vite-builder' | '@nuxt/webpack-builder' | NuxtBuilder
+  builder: '@nuxt/vite-builder' | '@nuxt/webpack-builder' | '@nuxt/rspack-builder' | NuxtBuilder
   postcss: Omit<ConfigSchema['postcss'], 'order'> & { order: Exclude<ConfigSchema['postcss']['order'], string> }
   webpack: ConfigSchema['webpack'] & {
     $client: ConfigSchema['webpack']

packages/schema/src/types/hooks.ts

@@ -408,6 +408,55 @@ export interface NuxtHooks {
    * @returns void
    */
   'webpack:progress': (statesArray: any[]) => void
+
+  // rspack
+  /**
+   * Called before configuring the webpack compiler.
+   * @param webpackConfigs Configs objects to be pushed to the compiler
+   * @returns Promise
+   */
+  'rspack:config': (webpackConfigs: Configuration[]) => HookResult
+  /**
+   * Allows to read the resolved webpack config
+   * @param webpackConfigs Configs objects to be pushed to the compiler
+   * @returns Promise
+   */
+  'rspack:configResolved': (webpackConfigs: Readonly<Configuration>[]) => HookResult
+  /**
+   * Called right before compilation.
+   * @param options The options to be added
+   * @returns Promise
+   */
+  'rspack:compile': (options: { name: string, compiler: Compiler }) => HookResult
+  /**
+   * Called after resources are loaded.
+   * @param options The compiler options
+   * @returns Promise
+   */
+  'rspack:compiled': (options: { name: string, compiler: Compiler, stats: Stats }) => HookResult
+
+  /**
+   * Called on `change` on WebpackBar.
+   * @param shortPath the short path
+   * @returns void
+   */
+  'rspack:change': (shortPath: string) => void
+  /**
+   * Called on `done` if has errors on WebpackBar.
+   * @returns void
+   */
+  'rspack:error': () => void
+  /**
+   * Called on `allDone` on WebpackBar.
+   * @returns void
+   */
+  'rspack:done': () => void
+  /**
+   * Called on `progress` on WebpackBar.
+   * @param statesArray The array containing the states on progress
+   * @returns void
+   */
+  'rspack:progress': (statesArray: any[]) => void
 }
 
 export type NuxtHookName = keyof NuxtHooks

packages/webpack/build.config.ts

@@ -17,6 +17,7 @@ export default defineBuildConfig({
     'vue',
   ],
   externals: [
+    '#builder',
     '@nuxt/schema',
   ],
 })

packages/webpack/builder.d.ts

@@ -0,0 +1,8 @@
+declare module '#builder' {
+  import type Webpack from 'webpack'
+  import type MiniCssExtractPlugin from 'mini-css-extract-plugin'
+
+  export const webpack: typeof Webpack
+  export const MiniCssExtractPlugin: typeof MiniCssExtractPlugin
+  export const builder: 'webpack' | 'rspack'
+}

packages/webpack/builder.mjs

@@ -0,0 +1,3 @@
+export const builder = 'webpack'
+export { default as webpack } from 'webpack'
+export { default as MiniCssExtractPlugin } from 'mini-css-extract-plugin'

packages/webpack/package.json

@@ -11,6 +11,9 @@
   "license": "MIT",
   "type": "module",
   "types": "./dist/index.d.ts",
+  "imports": {
+    "#builder": "./builder.mjs"
+  },
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",
@@ -19,7 +22,8 @@
     "./dist/*": "./dist/*"
   },
   "files": [
-    "dist"
+    "dist",
+    "builder.mjs"
   ],
   "scripts": {
     "prepack": "unbuild"
@@ -72,6 +76,7 @@
   },
   "devDependencies": {
     "@nuxt/schema": "workspace:*",
+    "@rspack/core": "1.0.8",
     "@types/hash-sum": "1.0.2",
     "@types/lodash-es": "4.17.12",
     "@types/pify": "5.0.4",

packages/webpack/src/configs/client.ts

@@ -1,6 +1,5 @@
 import querystring from 'node:querystring'
 import { resolve } from 'pathe'
-import webpack from 'webpack'
 import { BundleAnalyzerPlugin } from 'webpack-bundle-analyzer'
 import { logger } from '@nuxt/kit'
 import { joinURL } from 'ufo'
@@ -10,6 +9,7 @@ import { env, nodeless } from 'unenv'
 import type { WebpackConfigContext } from '../utils/config'
 import { applyPresets } from '../utils/config'
 import { nuxt } from '../presets/nuxt'
+import { webpack } from '#builder'
 
 export async function client (ctx: WebpackConfigContext) {
   ctx.name = 'client'

packages/webpack/src/configs/server.ts

@@ -1,11 +1,11 @@
 import { isAbsolute } from 'pathe'
-import webpack from 'webpack'
 import ForkTSCheckerWebpackPlugin from 'fork-ts-checker-webpack-plugin'
 import { logger } from '@nuxt/kit'
 import type { WebpackConfigContext } from '../utils/config'
 import { applyPresets } from '../utils/config'
 import { nuxt } from '../presets/nuxt'
 import { node } from '../presets/node'
+import { webpack } from '#builder'
 
 const assetPattern = /\.(?:css|s[ca]ss|png|jpe?g|gif|svg|woff2?|eot|ttf|otf|webp|webm|mp4|ogv)(?:\?.*)?$/i
 

packages/webpack/src/plugins/chunk.ts

@@ -1,9 +1,10 @@
 import type { Compiler } from 'webpack'
-import webpack from 'webpack'
+import { webpack } from '#builder'
 
 const pluginName = 'ChunkErrorPlugin'
 
-const script = `
+export class ChunkErrorPlugin {
+  script = `
 if (typeof ${webpack.RuntimeGlobals.require} !== "undefined") {
   var _ensureChunk = ${webpack.RuntimeGlobals.ensureChunk};
   ${webpack.RuntimeGlobals.ensureChunk} = function (chunkId) {
@@ -16,12 +17,11 @@ if (typeof ${webpack.RuntimeGlobals.require} !== "undefined") {
   };
 };`
 
-export class ChunkErrorPlugin {
   apply (compiler: Compiler) {
     compiler.hooks.thisCompilation.tap(pluginName, compilation =>
       compilation.mainTemplate.hooks.localVars.tap(
         { name: pluginName, stage: 1 },
-        source => source + script,
+        source => source + this.script,
       ),
     )
   }

packages/webpack/src/plugins/vue/client.ts

@@ -7,7 +7,7 @@ import { mkdir, writeFile } from 'node:fs/promises'
 
 import { normalizeWebpackManifest } from 'vue-bundle-renderer'
 import { dirname } from 'pathe'
-import hash from 'hash-sum'
+import { hash } from 'ohash'
 
 import type { Nuxt } from '@nuxt/schema'
 import type { Compilation, Compiler } from 'webpack'

packages/webpack/src/plugins/vue/server.ts

@@ -1,6 +1,6 @@
 import type { Compilation, Compiler } from 'webpack'
-import webpack from 'webpack'
 import { extractQueryPartJS, isJS, validate } from './util'
+import { webpack } from '#builder'
 
 interface VueSSRServerPluginOptions {
   filename: string

packages/webpack/src/presets/base.ts

@@ -3,7 +3,6 @@ import { normalize, resolve } from 'pathe'
 import TimeFixPlugin from 'time-fix-plugin'
 import WebpackBar from 'webpackbar'
 import type { Configuration } from 'webpack'
-import webpack from 'webpack'
 import { logger } from '@nuxt/kit'
 // @ts-expect-error missing types
 import FriendlyErrorsWebpackPlugin from '@nuxt/friendly-errors-webpack-plugin'
@@ -16,6 +15,8 @@ import WarningIgnorePlugin from '../plugins/warning-ignore'
 import type { WebpackConfigContext } from '../utils/config'
 import { applyPresets, fileName } from '../utils/config'
 
+import { builder, webpack } from '#builder'
+
 export async function base (ctx: WebpackConfigContext) {
   await applyPresets(ctx, [
     baseAlias,
@@ -53,14 +54,18 @@ function basePlugins (ctx: WebpackConfigContext) {
 
   // Add timefix-plugin before other plugins
   if (ctx.options.dev) {
+    if (ctx.nuxt.options.builder !== '@nuxt/rspack-builder') {
       ctx.config.plugins.push(new TimeFixPlugin())
     }
+  }
 
   // User plugins
   ctx.config.plugins.push(...(ctx.userConfig.plugins || []))
 
   // Ignore empty warnings
+  if (ctx.nuxt.options.builder !== '@nuxt/rspack-builder') {
     ctx.config.plugins.push(new WarningIgnorePlugin(getWarningIgnoreFilter(ctx)))
+  }
 
   // Provide env via DefinePlugin
   ctx.config.plugins.push(new webpack.DefinePlugin(getEnv(ctx)))
@@ -93,21 +98,21 @@ function basePlugins (ctx: WebpackConfigContext) {
         reporter: {
           change: (_, { shortPath }) => {
             if (!ctx.isServer) {
-              ctx.nuxt.callHook('webpack:change', shortPath)
+              ctx.nuxt.callHook(`${builder}:change`, shortPath)
             }
           },
           done: ({ state }) => {
             if (state.hasErrors) {
-              ctx.nuxt.callHook('webpack:error')
+              ctx.nuxt.callHook(`${builder}:error`)
             } else {
               logger.success(`${state.name} ${state.message}`)
             }
           },
           allDone: () => {
-            ctx.nuxt.callHook('webpack:done')
+            ctx.nuxt.callHook(`${builder}:done`)
           },
           progress ({ statesArray }) {
-            ctx.nuxt.callHook('webpack:progress', statesArray)
+            ctx.nuxt.callHook(`${builder}:progress`, statesArray)
           },
         },
       },
@@ -150,7 +155,7 @@ function baseTranspile (ctx: WebpackConfigContext) {
     /\.vue\.js/i, // include SFCs in node_modules
     /consola\/src/,
     /vue-demi/,
-    /(^|\/)nuxt\/(dist\/)?(app|[^/]+\/runtime)($|\/)/,
+    /(^|\/)nuxt\/(src\/|dist\/)?(app|[^/]+\/runtime)($|\/)/,
   ]
 
   for (let pattern of ctx.options.build.transpile) {

packages/webpack/src/presets/style.ts

@@ -1,9 +1,10 @@
-import MiniCssExtractPlugin from 'mini-css-extract-plugin'
 import CssMinimizerPlugin from 'css-minimizer-webpack-plugin'
 import type { WebpackConfigContext } from '../utils/config'
 import { applyPresets, fileName } from '../utils/config'
 import { getPostcssConfig } from '../utils/postcss'
 
+import { MiniCssExtractPlugin } from '#builder'
+
 export async function style (ctx: WebpackConfigContext) {
   await applyPresets(ctx, [
     loaders,

packages/webpack/src/presets/vue.ts

@@ -1,10 +1,11 @@
 import { resolve } from 'pathe'
 import VueLoaderPlugin from 'vue-loader/dist/pluginWebpack5.js'
-import webpack from 'webpack'
 import VueSSRClientPlugin from '../plugins/vue/client'
 import VueSSRServerPlugin from '../plugins/vue/server'
 import type { WebpackConfigContext } from '../utils/config'
 
+import { webpack } from '#builder'
+
 export function vue (ctx: WebpackConfigContext) {
   // @ts-expect-error de-default vue-loader
   ctx.config.plugins!.push(new (VueLoaderPlugin.default || VueLoaderPlugin)())
@@ -30,7 +31,8 @@ export function vue (ctx: WebpackConfigContext) {
   // https://github.com/vuejs/vue-next/tree/master/packages/vue#bundler-build-feature-flags
   // TODO: Provide options to toggle
   ctx.config.plugins!.push(new webpack.DefinePlugin({
-    __VUE_OPTIONS_API__: 'true',
+    '__VUE_OPTIONS_API__': 'true',
-    __VUE_PROD_DEVTOOLS__: 'false',
+    '__VUE_PROD_DEVTOOLS__': 'false',
+    '__VUE_PROD_HYDRATION_MISMATCH_DETAILS__': ctx.nuxt.options.debug,
   }))
 }

packages/webpack/src/webpack.ts

@@ -1,5 +1,4 @@
 import pify from 'pify'
-import webpack from 'webpack'
 import type { NodeMiddleware } from 'h3'
 import { resolve } from 'pathe'
 import { defineEventHandler, fromNodeMiddleware } from 'h3'
@@ -21,6 +20,8 @@ import { client, server } from './configs'
 import { applyPresets, createWebpackConfigContext, getWebpackConfig } from './utils/config'
 import { dynamicRequire } from './nitro/plugins/dynamic-require'
 
+import { builder, webpack } from '#builder'
+
 // TODO: Support plugins
 // const plugins: string[] = []
 
@@ -52,7 +53,7 @@ export const bundle: NuxtBuilder['bundle'] = async (nuxt) => {
   prerenderRollupPlugins.push(dynamicRequirePlugin)
   rollupPlugins.push(dynamicRequirePlugin)
 
-  await nuxt.callHook('webpack:config', webpackConfigs)
+  await nuxt.callHook(`${builder}:config`, webpackConfigs)
 
   // Initialize shared MFS for dev
   const mfs = nuxt.options.dev ? createMFS() : null
@@ -62,7 +63,7 @@ export const bundle: NuxtBuilder['bundle'] = async (nuxt) => {
       sourcemap: !!nuxt.options.sourcemap[config.name as 'client' | 'server'],
     }))
     // Emit chunk errors if the user has opted in to `experimental.emitRouteChunkError`
-    if (config.name === 'client' && nuxt.options.experimental.emitRouteChunkError) {
+    if (config.name === 'client' && nuxt.options.experimental.emitRouteChunkError && nuxt.options.builder !== '@nuxt/rspack-builder') {
       config.plugins!.push(new ChunkErrorPlugin())
     }
     config.plugins!.push(composableKeysPlugin.webpack({
@@ -72,7 +73,7 @@ export const bundle: NuxtBuilder['bundle'] = async (nuxt) => {
     }))
   }
 
-  await nuxt.callHook('webpack:configResolved', webpackConfigs)
+  await nuxt.callHook(`${builder}:configResolved`, webpackConfigs)
 
   // Configure compilers
   const compilers = webpackConfigs.map((config) => {
@@ -142,11 +143,11 @@ async function createDevMiddleware (compiler: Compiler) {
 async function compile (compiler: Compiler) {
   const nuxt = useNuxt()
 
-  await nuxt.callHook('webpack:compile', { name: compiler.options.name!, compiler })
+  await nuxt.callHook(`${builder}:compile`, { name: compiler.options.name!, compiler })
 
   // Load renderer resources after build
   compiler.hooks.done.tap('load-resources', async (stats) => {
-    await nuxt.callHook('webpack:compiled', { name: compiler.options.name!, compiler, stats })
+    await nuxt.callHook(`${builder}:compiled`, { name: compiler.options.name!, compiler, stats })
   })
 
   // --- Dev Build ---

pnpm-lock.yaml

@@ -10,6 +10,7 @@ overrides:
   '@nuxt/ui-templates': workspace:*
   '@nuxt/vite-builder': workspace:*
   '@nuxt/webpack-builder': workspace:*
+  '@nuxt/rspack-builder': workspace:*
   '@types/node': 20.16.11
   '@vue/compiler-core': 3.5.11
   '@vue/compiler-dom': 3.5.11
@@ -43,6 +44,9 @@ importers:
       '@nuxt/kit':
         specifier: workspace:*
         version: link:packages/kit
+      '@nuxt/rspack-builder':
+        specifier: workspace:*
+        version: link:packages/rspack
       '@nuxt/test-utils':
         specifier: 3.14.3
         version: 3.14.3(@testing-library/vue@8.1.0(@vue/compiler-sfc@3.5.11)(vue@3.5.11(typescript@5.6.3)))(@vue/test-utils@2.4.6)(h3-nightly@2.0.0-1718872656.6765a6e)(happy-dom@15.7.4)(magicast@0.3.5)(nitropack@2.9.7(magicast@0.3.5)(webpack-sources@3.2.3))(playwright-core@1.48.0)(vite@5.4.8(@types/node@20.16.11)(sass@1.78.0)(terser@5.32.0))(vitest@2.1.2(@types/node@20.16.11)(happy-dom@15.7.4)(sass@1.78.0)(terser@5.32.0))(vue-router@4.4.5(vue@3.5.11(typescript@5.6.3)))(vue@3.5.11(typescript@5.6.3))(webpack-sources@3.2.3)
@@ -245,6 +249,9 @@ importers:
         specifier: ^1.5.1
         version: 1.5.1
     devDependencies:
+      '@rspack/core':
+        specifier: 1.0.8
+        version: 1.0.8
       '@types/hash-sum':
         specifier: 1.0.2
         version: 1.0.2
@@ -493,6 +500,169 @@ importers:
         specifier: 2.1.2
         version: 2.1.2(@types/node@20.16.11)(happy-dom@15.7.4)(sass@1.78.0)(terser@5.32.0)
 
+  packages/rspack:
+    dependencies:
+      '@nuxt/friendly-errors-webpack-plugin':
+        specifier: ^2.6.0
+        version: 2.6.0(webpack@5.95.0)
+      '@nuxt/kit':
+        specifier: workspace:*
+        version: link:../kit
+      '@rspack/core':
+        specifier: ^1.0.8
+        version: 1.0.8
+      autoprefixer:
+        specifier: ^10.4.20
+        version: 10.4.20(postcss@8.4.47)
+      css-loader:
+        specifier: ^7.1.2
+        version: 7.1.2(@rspack/core@1.0.8)(webpack@5.95.0)
+      css-minimizer-webpack-plugin:
+        specifier: ^7.0.0
+        version: 7.0.0(webpack@5.95.0)
+      cssnano:
+        specifier: ^7.0.6
+        version: 7.0.6(postcss@8.4.47)
+      defu:
+        specifier: ^6.1.4
+        version: 6.1.4
+      esbuild-loader:
+        specifier: ^4.2.2
+        version: 4.2.2(webpack@5.95.0)
+      escape-string-regexp:
+        specifier: ^5.0.0
+        version: 5.0.0
+      estree-walker:
+        specifier: ^3.0.3
+        version: 3.0.3
+      file-loader:
+        specifier: ^6.2.0
+        version: 6.2.0(webpack@5.95.0)
+      fork-ts-checker-webpack-plugin:
+        specifier: ^9.0.2
+        version: 9.0.2(typescript@5.6.3)(webpack@5.95.0)
+      globby:
+        specifier: ^14.0.2
+        version: 14.0.2
+      h3:
+        specifier: npm:h3-nightly@2.0.0-1718872656.6765a6e
+        version: h3-nightly@2.0.0-1718872656.6765a6e
+      hash-sum:
+        specifier: ^2.0.0
+        version: 2.0.0
+      jiti:
+        specifier: 2.3.3
+        version: 2.3.3
+      knitwork:
+        specifier: ^1.1.0
+        version: 1.1.0
+      lodash-es:
+        specifier: 4.17.21
+        version: 4.17.21
+      magic-string:
+        specifier: ^0.30.11
+        version: 0.30.11
+      memfs:
+        specifier: ^4.13.0
+        version: 4.13.0
+      mlly:
+        specifier: ^1.7.2
+        version: 1.7.2
+      ohash:
+        specifier: 1.1.4
+        version: 1.1.4
+      pathe:
+        specifier: ^1.1.2
+        version: 1.1.2
+      pify:
+        specifier: ^6.1.0
+        version: 6.1.0
+      postcss:
+        specifier: 8.4.47
+        version: 8.4.47
+      postcss-import:
+        specifier: ^16.1.0
+        version: 16.1.0(postcss@8.4.47)
+      postcss-import-resolver:
+        specifier: ^2.0.0
+        version: 2.0.0
+      postcss-loader:
+        specifier: ^8.1.1
+        version: 8.1.1(@rspack/core@1.0.8)(postcss@8.4.47)(typescript@5.6.3)(webpack@5.95.0)
+      postcss-url:
+        specifier: ^10.1.3
+        version: 10.1.3(postcss@8.4.47)
+      pug-plain-loader:
+        specifier: ^1.1.0
+        version: 1.1.0(pug@3.0.3)
+      std-env:
+        specifier: ^3.7.0
+        version: 3.7.0
+      time-fix-plugin:
+        specifier: ^2.0.7
+        version: 2.0.7(webpack@5.95.0)
+      ufo:
+        specifier: 1.5.4
+        version: 1.5.4
+      unenv:
+        specifier: ^1.10.0
+        version: 1.10.0
+      unplugin:
+        specifier: ^1.14.1
+        version: 1.14.1(webpack-sources@3.2.3)
+      url-loader:
+        specifier: ^4.1.1
+        version: 4.1.1(file-loader@6.2.0(webpack@5.95.0))(webpack@5.95.0)
+      vue-bundle-renderer:
+        specifier: ^2.1.1
+        version: 2.1.1
+      vue-loader:
+        specifier: ^17.4.2
+        version: 17.4.2(@vue/compiler-sfc@3.5.11)(vue@3.5.11(typescript@5.6.3))(webpack@5.95.0)
+      webpack-bundle-analyzer:
+        specifier: ^4.10.2
+        version: 4.10.2
+      webpack-dev-middleware:
+        specifier: ^7.4.2
+        version: 7.4.2(webpack@5.95.0)
+      webpack-hot-middleware:
+        specifier: ^2.26.1
+        version: 2.26.1
+      webpack-virtual-modules:
+        specifier: ^0.6.2
+        version: 0.6.2
+      webpackbar:
+        specifier: ^6.0.1
+        version: 6.0.1(webpack@5.95.0)
+    devDependencies:
+      '@nuxt/schema':
+        specifier: workspace:*
+        version: link:../schema
+      '@types/hash-sum':
+        specifier: 1.0.2
+        version: 1.0.2
+      '@types/lodash-es':
+        specifier: 4.17.12
+        version: 4.17.12
+      '@types/pify':
+        specifier: 5.0.4
+        version: 5.0.4
+      '@types/webpack-bundle-analyzer':
+        specifier: 4.7.0
+        version: 4.7.0
+      '@types/webpack-hot-middleware':
+        specifier: 2.25.9
+        version: 2.25.9
+      rollup:
+        specifier: 4.24.0
+        version: 4.24.0
+      unbuild:
+        specifier: 3.0.0-rc.11
+        version: 3.0.0-rc.11(sass@1.78.0)(typescript@5.6.3)(vue-tsc@2.1.6(typescript@5.6.3))
+      vue:
+        specifier: 3.5.11
+        version: 3.5.11(typescript@5.6.3)
+
   packages/schema:
     dependencies:
       compatx:
@@ -793,7 +963,7 @@ importers:
         version: 10.4.20(postcss@8.4.47)
       css-loader:
         specifier: ^7.1.2
-        version: 7.1.2(webpack@5.95.0)
+        version: 7.1.2(@rspack/core@1.0.8)(webpack@5.95.0)
       css-minimizer-webpack-plugin:
         specifier: ^7.0.0
         version: 7.0.0(webpack@5.95.0)
@@ -868,7 +1038,7 @@ importers:
         version: 2.0.0
       postcss-loader:
         specifier: ^8.1.1
-        version: 8.1.1(postcss@8.4.47)(typescript@5.6.3)(webpack@5.95.0)
+        version: 8.1.1(@rspack/core@1.0.8)(postcss@8.4.47)(typescript@5.6.3)(webpack@5.95.0)
       postcss-url:
         specifier: ^10.1.3
         version: 10.1.3(postcss@8.4.47)
@@ -918,6 +1088,9 @@ importers:
       '@nuxt/schema':
         specifier: workspace:*
         version: link:../schema
+      '@rspack/core':
+        specifier: 1.0.8
+        version: 1.0.8
       '@types/hash-sum':
         specifier: 1.0.2
         version: 1.0.2
@@ -951,6 +1124,9 @@ importers:
 
   test/fixtures/basic:
     dependencies:
+      '@nuxt/rspack-builder':
+        specifier: workspace:*
+        version: link:../../../packages/rspack
       '@nuxt/webpack-builder':
         specifier: workspace:*
         version: link:../../../packages/webpack
@@ -1930,6 +2106,18 @@ packages:
     resolution: {integrity: sha512-Yhlar6v9WQgUp/He7BdgzOz8lqMQ8sU+jkCq7Wx8Myc5YFJLbEe7lgui/V7G1qB1DJykHSGwreceSaD60Y0PUQ==}
     hasBin: true
 
+  '@module-federation/runtime-tools@0.5.1':
+    resolution: {integrity: sha512-nfBedkoZ3/SWyO0hnmaxuz0R0iGPSikHZOAZ0N/dVSQaIzlffUo35B5nlC2wgWIc0JdMZfkwkjZRrnuuDIJbzg==}
+
+  '@module-federation/runtime@0.5.1':
+    resolution: {integrity: sha512-xgiMUWwGLWDrvZc9JibuEbXIbhXg6z2oUkemogSvQ4LKvrl/n0kbqP1Blk669mXzyWbqtSp6PpvNdwaE1aN5xQ==}
+
+  '@module-federation/sdk@0.5.1':
+    resolution: {integrity: sha512-exvchtjNURJJkpqjQ3/opdbfeT2wPKvrbnGnyRkrwW5o3FH1LaST1tkiNviT6OXTexGaVc2DahbdniQHVtQ7pA==}
+
+  '@module-federation/webpack-bundler-runtime@0.5.1':
+    resolution: {integrity: sha512-mMhRFH0k2VjwHt3Jol9JkUsmI/4XlrAoBG3E0o7HoyoPYv1UFOWyqAflfANcUPgbYpvqmyLzDcO+3IT36LXnrA==}
+
   '@netlify/functions@2.8.1':
     resolution: {integrity: sha512-+6wtYdoz0yE06dSa9XkP47tw5zm6g13QMeCwM3MmHx1vn8hzwFa51JtmfraprdkL7amvb7gaNM+OOhQU1h6T8A==}
     engines: {node: '>=14.0.0'}
@@ -2338,6 +2526,67 @@ packages:
     cpu: [x64]
     os: [win32]
 
+  '@rspack/binding-darwin-arm64@1.0.8':
+    resolution: {integrity: sha512-1l8/eg3HNz53DHQO3fy5O5QKdYh8hSMZaWGtm3NR5IfdrTm2TaLL9tuR8oL2iHHtd87LEvVKHXdjlcuLV5IPNQ==}
+    cpu: [arm64]
+    os: [darwin]
+
+  '@rspack/binding-darwin-x64@1.0.8':
+    resolution: {integrity: sha512-7BbG8gXVWjtqJegDpsObzM/B90Eig1piEtcahvPdvlC92uZz3/IwtKPpMaywGBrf5RSI3U0nQMSekwz0cO1SOw==}
+    cpu: [x64]
+    os: [darwin]
+
+  '@rspack/binding-linux-arm64-gnu@1.0.8':
+    resolution: {integrity: sha512-QnqCL0wmwYqT/IFx5q0aw7DsIOr8oYUa4+7JI8iiqRf3RuuRJExesVW9VuWr0jS2UvChKgmb8PvRtDy/0tshFw==}
+    cpu: [arm64]
+    os: [linux]
+
+  '@rspack/binding-linux-arm64-musl@1.0.8':
+    resolution: {integrity: sha512-Ns9TsE7zdUjimW5HURRW08BaMyAh16MDh97PPsGEMeRPx9plnRO9aXvuUG6t+0gy4KwlQdeq3BvUsbBpIo5Tow==}
+    cpu: [arm64]
+    os: [linux]
+
+  '@rspack/binding-linux-x64-gnu@1.0.8':
+    resolution: {integrity: sha512-lfqUuKCoyRN/gGeokhX/oNYqB6OpbtgQb57b0QuD8IaiH2a1ee0TtEVvRbyQNEDwht6lW4RTNg0RfMYu52LgXg==}
+    cpu: [x64]
+    os: [linux]
+
+  '@rspack/binding-linux-x64-musl@1.0.8':
+    resolution: {integrity: sha512-MgbHJWV5utVa1/U9skrXClydZ/eZw001++v4B6nb8myU6Ck1D02aMl9ESefb/sSA8TatLLxEXQ2VENG9stnPwQ==}
+    cpu: [x64]
+    os: [linux]
+
+  '@rspack/binding-win32-arm64-msvc@1.0.8':
+    resolution: {integrity: sha512-3NN5VisnSOzhgqX77O/7NvcjPUueg1oIdMKoc5vElJCEu5FEXPqDhwZmr1PpBovaXshAcgExF3j54+20pwdg5g==}
+    cpu: [arm64]
+    os: [win32]
+
+  '@rspack/binding-win32-ia32-msvc@1.0.8':
+    resolution: {integrity: sha512-17VQNC7PSygzsipSVoukDM/SOcVueVNsk9bZiB0Swl20BaqrlBts2Dvlmo+L+ZGsxOYI97WvA/zomMDv860usg==}
+    cpu: [ia32]
+    os: [win32]
+
+  '@rspack/binding-win32-x64-msvc@1.0.8':
+    resolution: {integrity: sha512-Vtjt74Soh09XUsV5Nw0YjZVSk/qtsjtPnzbSZluncSAVUs8l+X1ALcM6n1Jrt3TLTfcqf7a+VIsWOXAMqkCGUg==}
+    cpu: [x64]
+    os: [win32]
+
+  '@rspack/binding@1.0.8':
+    resolution: {integrity: sha512-abRirbrjobcllLAamyeiWxT6Rb0wELUnITynQdqRbSweWm2lvnhm9YBv4BcOjvJBzhJtvRJo5JBtbKXjDTarug==}
+
+  '@rspack/core@1.0.8':
+    resolution: {integrity: sha512-pbXwXYb4WQwb0l35P5v3l/NpDJXy1WiVE4IcQ/6LxZYU5NyZuqtsK0trR88xIVRZb9qU0JUeCdQq7Xa6Q+c3Xw==}
+    engines: {node: '>=16.0.0'}
+    peerDependencies:
+      '@swc/helpers': '>=0.5.1'
+    peerDependenciesMeta:
+      '@swc/helpers':
+        optional: true
+
+  '@rspack/lite-tapable@1.0.1':
+    resolution: {integrity: sha512-VynGOEsVw2s8TAlLf/uESfrgfrq2+rcXB1muPJYBWbsm1Oa6r5qVQhjA5ggM6z/coYPrsVMgovl3Ff7Q7OCp1w==}
+    engines: {node: '>=16.0.0'}
+
   '@shikijs/core@1.17.0':
     resolution: {integrity: sha512-Mkk4Mp4bNnW1kytU8I7S5PK5teNSe0iKlfqxPss4sdwnlcU8a2N62Z3te2gVmZfU9t1HF6L3wyWuM43IvEeEsg==}
 
@@ -2383,9 +2632,6 @@ packages:
   '@shikijs/vitepress-twoslash@1.17.0':
     resolution: {integrity: sha512-FcdZUtF1jL51fZfkITd1qEnmnVe/w8lnOGhEWptMqMNvMYzB8vxDv5y+E1zvE+rw0NbBuWtOmZea3WOah1nr6g==}
 
-  '@shikijs/vscode-textmate@9.2.2':
-    resolution: {integrity: sha512-TMp15K+GGYrWlZM8+Lnj9EaHEFmOen0WJBrfa17hF7taDOYthuPPV0GWzfd/9iMij0akS/8Yw2ikquH7uVi/fg==}
-
   '@shikijs/vscode-textmate@9.3.0':
     resolution: {integrity: sha512-jn7/7ky30idSkd/O5yDBfAnVt+JJpepofP/POZ1iMOxK59cOfqIgg/Dj0eFsjOTMw+4ycJN0uhZH/Eb0bs/EUA==}
 
@@ -2651,32 +2897,18 @@ packages:
   '@ungap/structured-clone@1.2.0':
     resolution: {integrity: sha512-zuVdFrMJiuCDQUMCzQaD6KL28MjnqqN8XnAqiEq9PNm/hCPTSGfrXCOfwj1ow4LFb/tNymJPwsNbVePc1xFqrQ==}
 
-  '@unhead/dom@1.11.6':
-    resolution: {integrity: sha512-FYU8Cu+XWcpbO4OvXdB6x7m6GTPcl6CW7igI8rNu6Kc0Ilxb+atxIvyFXdTGAyB7h/F0w3ex06ZVWJ65f3EW8A==}
-
   '@unhead/dom@1.11.7':
     resolution: {integrity: sha512-Nj2ulnbY5lvIcxqXwdO5YfdvLm8EYLjcaOje2b2aQnfyPAyOIVeR8iB79DDKk/uZZAPEwkdhSnUdEh9Ny0b3lw==}
 
-  '@unhead/schema@1.11.6':
-    resolution: {integrity: sha512-Ava5+kQERaZ2fi66phgR9KZQr9SsheN1YhhKM8fCP2A4Jb5lHUssVQ19P0+89V6RX9iUg/Q27WdEbznm75LzhQ==}
-
   '@unhead/schema@1.11.7':
     resolution: {integrity: sha512-j9uN7T63aUXrZ6yx2CfjVT7xZHjn0PZO7TPMaWqMFjneIH/NONKvDVCMEqDlXeqdSIERIYtk/xTHgCUMer5eyw==}
 
-  '@unhead/shared@1.11.6':
-    resolution: {integrity: sha512-aGrtzRCcFlVh9iru73fBS8FA1vpQskS190t5cCRRMpisOEunVv3ueqXN1F8CseQd0W4wyEr/ycDvdfKt+RPv5g==}
-
   '@unhead/shared@1.11.7':
     resolution: {integrity: sha512-5v3PmV1LMyikGyQi/URYS5ilH8dg1Iomtja7iFWke990O8RBDEzAdagJqcsUE/fw+o7cXRSOamyx5wCf5Q1TrA==}
 
   '@unhead/ssr@1.11.7':
     resolution: {integrity: sha512-qI1zNFY8fU5S9EhroxlXSA5Q/XKbWAKXrVVNG+6bIh/IRrMOMJrPk4d1GmphF4gmNri3ARqly+OWx4VVaj0scA==}
 
-  '@unhead/vue@1.11.6':
-    resolution: {integrity: sha512-CMuDJGTi4n4wKdOp6/JmB9roGshjTdoFKF34PEkXu4+g97BiVFiZ9LvgY44+UlWCUzQHcqEPRQIzm9iKEqcfKw==}
-    peerDependencies:
-      vue: 3.5.11
-
   '@unhead/vue@1.11.7':
     resolution: {integrity: sha512-SLr0eQfznVp63iKi47L4s5Yz+oiQjDA82VBP4jlXi7dM9fSIn1ul1aKvBqle/ZxI2cqY8zVGz60EjhjWeu754A==}
     peerDependencies:
@@ -6979,9 +7211,6 @@ packages:
   unenv@1.10.0:
     resolution: {integrity: sha512-wY5bskBQFL9n3Eca5XnhH6KbUo/tfvkwm9OpcdCvLaeA7piBNbavbOKJySEwQ1V0RH6HvNlSAFRTpvTqgKRQXQ==}
 
-  unhead@1.11.6:
-    resolution: {integrity: sha512-TKTQGUzHKF925VZ4KZVbLfKFzTVTEWfPLaXKmkd/ptEY2FHEoJUF7xOpAWc3K7Jzy/ExS66TL7GnLLjtd4sISg==}
-
   unhead@1.11.7:
     resolution: {integrity: sha512-aA0+JBRryLhDKUq6L2JhMDLZEG/ElyyDASyC9wiwDl6nvvsj9hD26LgPWgmAsSd+9HtMGM2N1gU27CWEMo16CQ==}
 
@@ -8310,6 +8539,22 @@ snapshots:
       - encoding
       - supports-color
 
+  '@module-federation/runtime-tools@0.5.1':
+    dependencies:
+      '@module-federation/runtime': 0.5.1
+      '@module-federation/webpack-bundler-runtime': 0.5.1
+
+  '@module-federation/runtime@0.5.1':
+    dependencies:
+      '@module-federation/sdk': 0.5.1
+
+  '@module-federation/sdk@0.5.1': {}
+
+  '@module-federation/webpack-bundler-runtime@0.5.1':
+    dependencies:
+      '@module-federation/runtime': 0.5.1
+      '@module-federation/sdk': 0.5.1
+
   '@netlify/functions@2.8.1':
     dependencies:
       '@netlify/serverless-functions-api': 1.19.1
@@ -8505,7 +8750,7 @@ snapshots:
       '@types/stripe-v3': 3.1.33
       '@types/vimeo__player': 2.18.3
       '@types/youtube': 0.1.0
-      '@unhead/vue': 1.11.6(vue@3.5.11(typescript@5.6.3))
+      '@unhead/vue': 1.11.7(vue@3.5.11(typescript@5.6.3))
       '@vueuse/core': 11.1.0(vue@3.5.11(typescript@5.6.3))
       consola: 3.2.3
       defu: 6.1.4
@@ -8908,12 +9153,60 @@ snapshots:
   '@rollup/rollup-win32-x64-msvc@4.24.0':
     optional: true
 
+  '@rspack/binding-darwin-arm64@1.0.8':
+    optional: true
+
+  '@rspack/binding-darwin-x64@1.0.8':
+    optional: true
+
+  '@rspack/binding-linux-arm64-gnu@1.0.8':
+    optional: true
+
+  '@rspack/binding-linux-arm64-musl@1.0.8':
+    optional: true
+
+  '@rspack/binding-linux-x64-gnu@1.0.8':
+    optional: true
+
+  '@rspack/binding-linux-x64-musl@1.0.8':
+    optional: true
+
+  '@rspack/binding-win32-arm64-msvc@1.0.8':
+    optional: true
+
+  '@rspack/binding-win32-ia32-msvc@1.0.8':
+    optional: true
+
+  '@rspack/binding-win32-x64-msvc@1.0.8':
+    optional: true
+
+  '@rspack/binding@1.0.8':
+    optionalDependencies:
+      '@rspack/binding-darwin-arm64': 1.0.8
+      '@rspack/binding-darwin-x64': 1.0.8
+      '@rspack/binding-linux-arm64-gnu': 1.0.8
+      '@rspack/binding-linux-arm64-musl': 1.0.8
+      '@rspack/binding-linux-x64-gnu': 1.0.8
+      '@rspack/binding-linux-x64-musl': 1.0.8
+      '@rspack/binding-win32-arm64-msvc': 1.0.8
+      '@rspack/binding-win32-ia32-msvc': 1.0.8
+      '@rspack/binding-win32-x64-msvc': 1.0.8
+
+  '@rspack/core@1.0.8':
+    dependencies:
+      '@module-federation/runtime-tools': 0.5.1
+      '@rspack/binding': 1.0.8
+      '@rspack/lite-tapable': 1.0.1
+      caniuse-lite: 1.0.30001667
+
+  '@rspack/lite-tapable@1.0.1': {}
+
   '@shikijs/core@1.17.0':
     dependencies:
       '@shikijs/engine-javascript': 1.17.0
       '@shikijs/engine-oniguruma': 1.17.0
       '@shikijs/types': 1.17.0
-      '@shikijs/vscode-textmate': 9.2.2
+      '@shikijs/vscode-textmate': 9.3.0
       '@types/hast': 3.0.4
       hast-util-to-html: 9.0.3
 
@@ -8922,7 +9215,7 @@ snapshots:
       '@shikijs/engine-javascript': 1.20.0
       '@shikijs/engine-oniguruma': 1.20.0
       '@shikijs/types': 1.20.0
-      '@shikijs/vscode-textmate': 9.2.2
+      '@shikijs/vscode-textmate': 9.3.0
       '@types/hast': 3.0.4
       hast-util-to-html: 9.0.3
 
@@ -8944,7 +9237,7 @@ snapshots:
   '@shikijs/engine-javascript@1.20.0':
     dependencies:
       '@shikijs/types': 1.20.0
-      '@shikijs/vscode-textmate': 9.2.2
+      '@shikijs/vscode-textmate': 9.3.0
       oniguruma-to-js: 0.4.3
 
   '@shikijs/engine-javascript@1.22.0':
@@ -8956,12 +9249,12 @@ snapshots:
   '@shikijs/engine-oniguruma@1.17.0':
     dependencies:
       '@shikijs/types': 1.17.0
-      '@shikijs/vscode-textmate': 9.2.2
+      '@shikijs/vscode-textmate': 9.3.0
 
   '@shikijs/engine-oniguruma@1.20.0':
     dependencies:
       '@shikijs/types': 1.20.0
-      '@shikijs/vscode-textmate': 9.2.2
+      '@shikijs/vscode-textmate': 9.3.0
 
   '@shikijs/engine-oniguruma@1.22.0':
     dependencies:
@@ -8983,12 +9276,12 @@ snapshots:
 
   '@shikijs/types@1.17.0':
     dependencies:
-      '@shikijs/vscode-textmate': 9.2.2
+      '@shikijs/vscode-textmate': 9.3.0
       '@types/hast': 3.0.4
 
   '@shikijs/types@1.20.0':
     dependencies:
-      '@shikijs/vscode-textmate': 9.2.2
+      '@shikijs/vscode-textmate': 9.3.0
       '@types/hast': 3.0.4
 
   '@shikijs/types@1.22.0':
@@ -9004,7 +9297,7 @@ snapshots:
       mdast-util-gfm: 3.0.0
       mdast-util-to-hast: 13.2.0
       shiki: 1.17.0
-      twoslash: 0.2.11(typescript@5.6.3)
+      twoslash: 0.2.12(typescript@5.6.3)
       twoslash-vue: 0.2.11(typescript@5.6.3)
       vue: 3.5.11(typescript@5.6.3)
     transitivePeerDependencies:
@@ -9012,8 +9305,6 @@ snapshots:
       - supports-color
       - typescript
 
-  '@shikijs/vscode-textmate@9.2.2': {}
-
   '@shikijs/vscode-textmate@9.3.0': {}
 
   '@sidvind/better-ajv-errors@3.0.1(ajv@8.17.1)':
@@ -9340,30 +9631,16 @@ snapshots:
 
   '@ungap/structured-clone@1.2.0': {}
 
-  '@unhead/dom@1.11.6':
-    dependencies:
-      '@unhead/schema': 1.11.6
-      '@unhead/shared': 1.11.6
-
   '@unhead/dom@1.11.7':
     dependencies:
       '@unhead/schema': 1.11.7
       '@unhead/shared': 1.11.7
 
-  '@unhead/schema@1.11.6':
-    dependencies:
-      hookable: 5.5.3
-      zhead: 2.2.4
-
   '@unhead/schema@1.11.7':
     dependencies:
       hookable: 5.5.3
       zhead: 2.2.4
 
-  '@unhead/shared@1.11.6':
-    dependencies:
-      '@unhead/schema': 1.11.6
-
   '@unhead/shared@1.11.7':
     dependencies:
       '@unhead/schema': 1.11.7
@@ -9373,15 +9650,6 @@ snapshots:
       '@unhead/schema': 1.11.7
       '@unhead/shared': 1.11.7
 
-  '@unhead/vue@1.11.6(vue@3.5.11(typescript@5.6.3))':
-    dependencies:
-      '@unhead/schema': 1.11.6
-      '@unhead/shared': 1.11.6
-      defu: 6.1.4
-      hookable: 5.5.3
-      unhead: 1.11.6
-      vue: 3.5.11(typescript@5.6.3)
-
   '@unhead/vue@1.11.7(vue@3.5.11(typescript@5.6.3))':
     dependencies:
       '@unhead/schema': 1.11.7
@@ -10689,7 +10957,7 @@ snapshots:
     dependencies:
       postcss: 8.4.47
 
-  css-loader@7.1.2(webpack@5.95.0):
+  css-loader@7.1.2(@rspack/core@1.0.8)(webpack@5.95.0):
     dependencies:
       icss-utils: 5.1.0(postcss@8.4.47)
       postcss: 8.4.47
@@ -10700,6 +10968,7 @@ snapshots:
       postcss-value-parser: 4.2.0
       semver: 7.6.3
     optionalDependencies:
+      '@rspack/core': 1.0.8
       webpack: 5.95.0
 
   css-minimizer-webpack-plugin@7.0.0(webpack@5.95.0):
@@ -13169,7 +13438,7 @@ snapshots:
       picocolors: 1.1.0
       remark-parse: 11.0.0
       shiki: 1.20.0
-      twoslash: 0.2.11(typescript@5.6.3)
+      twoslash: 0.2.12(typescript@5.6.3)
       typescript: 5.6.3
       unified: 11.0.5
       unist-util-visit: 5.0.0
@@ -13456,13 +13725,14 @@ snapshots:
       read-cache: 1.0.0
       resolve: 1.22.8
 
-  postcss-loader@8.1.1(postcss@8.4.47)(typescript@5.6.3)(webpack@5.95.0):
+  postcss-loader@8.1.1(@rspack/core@1.0.8)(postcss@8.4.47)(typescript@5.6.3)(webpack@5.95.0):
     dependencies:
       cosmiconfig: 9.0.0(typescript@5.6.3)
       jiti: 2.3.3
       postcss: 8.4.47
       semver: 7.6.3
     optionalDependencies:
+      '@rspack/core': 1.0.8
       webpack: 5.95.0
     transitivePeerDependencies:
       - typescript
@@ -14178,7 +14448,7 @@ snapshots:
     dependencies:
       '@shikijs/core': 1.17.0
       '@shikijs/types': 1.17.0
-      '@shikijs/vscode-textmate': 9.2.2
+      '@shikijs/vscode-textmate': 9.3.0
       '@types/hast': 3.0.4
 
   shiki@1.20.0:
@@ -14187,7 +14457,7 @@ snapshots:
       '@shikijs/engine-javascript': 1.20.0
       '@shikijs/engine-oniguruma': 1.20.0
       '@shikijs/types': 1.20.0
-      '@shikijs/vscode-textmate': 9.2.2
+      '@shikijs/vscode-textmate': 9.3.0
       '@types/hast': 3.0.4
 
   side-channel@1.0.6:
@@ -14634,13 +14904,6 @@ snapshots:
       node-fetch-native: 1.6.4
       pathe: 1.1.2
 
-  unhead@1.11.6:
-    dependencies:
-      '@unhead/dom': 1.11.6
-      '@unhead/schema': 1.11.6
-      '@unhead/shared': 1.11.6
-      hookable: 5.5.3
-
   unhead@1.11.7:
     dependencies:
       '@unhead/dom': 1.11.7

test/basic.test.ts

@@ -15,7 +15,7 @@ import type { NuxtIslandResponse } from '#app'
 // TODO: update @nuxt/test-utils
 const $fetch = _$fetch as import('nitro/types').$Fetch<unknown, import('nitro/types').NitroFetchRequest>
 
-const isWebpack = process.env.TEST_BUILDER === 'webpack'
+const isWebpack = process.env.TEST_BUILDER === 'webpack' || process.env.TEST_BUILDER === 'rspack'
 const isTestingAppManifest = process.env.TEST_MANIFEST !== 'manifest-off'
 
 await setup({

test/fixtures/basic-types/nuxt.config.ts

@@ -9,7 +9,7 @@ export default defineNuxtConfig({
   future: {
     typescriptBundlerResolution: process.env.MODULE_RESOLUTION === 'bundler',
   },
-  builder: process.env.TEST_BUILDER as 'webpack' | 'vite' ?? 'vite',
+  builder: process.env.TEST_BUILDER as 'webpack' | 'rspack' | 'vite' ?? 'vite',
   theme: './extends/bar',
   extends: [
     './extends/node_modules/foo',

test/fixtures/basic/nuxt.config.ts

@@ -31,7 +31,7 @@ export default defineNuxtConfig({
       include: ['keepalive-in-config', 'not-keepalive-in-nuxtpage'],
     },
   },
-  builder: process.env.TEST_BUILDER as 'webpack' | 'vite' ?? 'vite',
+  builder: process.env.TEST_BUILDER as 'webpack' | 'rspack' | 'vite' ?? 'vite',
   appId: 'nuxt-app-basic',
   build: {
     transpile: [

test/fixtures/basic/package.json

@@ -5,6 +5,7 @@
     "build": "nuxi build"
   },
   "dependencies": {
+    "@nuxt/rspack-builder": "workspace:*",
     "@nuxt/webpack-builder": "workspace:*",
     "nuxt": "workspace:*"
   },

test/fixtures/runtime-compiler/nuxt.config.ts

@@ -7,5 +7,5 @@ export default defineNuxtConfig({
   vue: {
     runtimeCompiler: true,
   },
-  builder: process.env.TEST_BUILDER as 'webpack' | 'vite' ?? 'vite',
+  builder: process.env.TEST_BUILDER as 'webpack' | 'rspack' | 'vite' ?? 'vite',
 })

test/hmr.test.ts

@@ -10,7 +10,7 @@ import { expectWithPolling, renderPage } from './utils'
 // TODO: update @nuxt/test-utils
 const $fetch = _$fetch as import('nitro/types').$Fetch<unknown, import('nitro/types').NitroFetchRequest>
 
-const isWebpack = process.env.TEST_BUILDER === 'webpack'
+const isWebpack = process.env.TEST_BUILDER === 'webpack' || process.env.TEST_BUILDER === 'rspack'
 
 // TODO: fix HMR on Windows
 if (process.env.TEST_ENV !== 'built' && !isWindows) {

test/runtime-compiler.test.ts

@@ -4,7 +4,7 @@ import { $fetch, createPage, setup } from '@nuxt/test-utils/e2e'
 import { isWindows } from 'std-env'
 import { expectNoClientErrors } from './utils'
 
-const isWebpack = process.env.TEST_BUILDER === 'webpack'
+const isWebpack = process.env.TEST_BUILDER === 'webpack' || process.env.TEST_BUILDER === 'rspack'
 
 await setup({
   rootDir: fileURLToPath(new URL('./fixtures/runtime-compiler', import.meta.url)),

test/suspense.test.ts

@@ -4,7 +4,7 @@ import { isWindows } from 'std-env'
 import { setup } from '@nuxt/test-utils'
 import { renderPage } from './utils'
 
-const isWebpack = process.env.TEST_BUILDER === 'webpack'
+const isWebpack = process.env.TEST_BUILDER === 'webpack' || process.env.TEST_BUILDER === 'rspack'
 
 await setup({
   rootDir: fileURLToPath(new URL('./fixtures/suspense', import.meta.url)),