feat: allow selecting `rspack` builder

package.json

@@ -47,6 +47,7 @@
     "@nuxt/test-utils": "workspace:*",
     "@nuxt/vite-builder": "workspace:*",
     "@nuxt/webpack-builder": "workspace:*",
+    "@nuxt/rspack-builder": "workspace:*",
     "@nuxtjs/eslint-config-typescript": "^12.0.0",
     "@types/crawler": "^1.2.2",
     "@types/node": "^18.15.5",

packages/nuxt/src/core/nuxt.ts

@@ -266,7 +266,7 @@ async function initNuxt (nuxt: Nuxt) {
   }
 
   // Track components used to render for webpack
-  if (nuxt.options.builder === '@nuxt/webpack-builder') {
+  if (nuxt.options.builder === '@nuxt/webpack-builder' || nuxt.options.builder === '@nuxt/rspack-builder') {
     addPlugin(resolve(nuxt.options.appDir, 'plugins/preload.server'))
   }
 

packages/schema/src/config/build.ts

@@ -7,7 +7,7 @@ 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, get) => {
@@ -17,6 +17,7 @@ export default defineUntypedSchema({
       const map: Record<string, string> = {
         vite: '@nuxt/vite-builder',
         webpack: '@nuxt/webpack-builder',
+        rspack: '@nuxt/rspack-builder'
       }
       return map[val] || val || (await get('vite') === false ? map.webpack : map.vite)
     }

packages/schema/src/config/experimental.ts

@@ -101,7 +101,7 @@ export default defineUntypedSchema({
      */
     inlineSSRStyles: {
       async $resolve(val, get) {
-        if (val === false || (await get('dev')) || (await get('ssr')) === false || (await get('builder')) === '@nuxt/webpack-builder') {
+        if (val === false || (await get('dev')) || (await get('ssr')) === false || (await get('builder')) === '@nuxt/webpack-builder' || (await get('builder')) === '@nuxt/rspack-builder') {
           return false
         }
         // Enabled by default for vite prod with ssr

packages/schema/src/types/config.ts

@@ -88,7 +88,7 @@ export type NuxtConfigLayer = ConfigLayer<NuxtConfig & {
 /** Normalized Nuxt options available as `nuxt.options.*` */
 export interface NuxtOptions extends Omit<ConfigSchema, 'builder'> {
   sourcemap: Required<Exclude<ConfigSchema['sourcemap'], boolean>>
-  builder: '@nuxt/vite-builder' | '@nuxt/webpack-builder' | { bundle: (nuxt: Nuxt) => Promise<void> }
+  builder: '@nuxt/vite-builder' | '@nuxt/webpack-builder' | '@nuxt/rspack-builder' | { bundle: (nuxt: Nuxt) => Promise<void> }
   _layers: NuxtConfigLayer[]
   $schema: SchemaDefinition
 }

playground/nuxt.config.ts

@@ -1,3 +1,3 @@
 export default defineNuxtConfig({
-
+  builder: 'rspack'
 })