fix(vite-node): entry path and executing in production (#3854)

packages/schema/src/config/experimental.ts

@@ -3,7 +3,9 @@ export default {
    * Set to true to generate an async entrypoint for the Vue bundle (for module federation support).
    * @version 3
    */
-  asyncEntry: false,
+  asyncEntry: {
+    $resolve: (val, get) => val ?? (get('dev') && get('experimental.viteNode')) ?? false
+  },
 
   /**
    * Use vite-node for on-demand server chunk loading

packages/vite/src/vite-node.ts

@@ -33,6 +33,7 @@ function createViteNodeMiddleware (ctx: ViteBuildContext): Connect.NextHandleFun
       node = new ViteNodeServer(ctx.ssrServer, {
         deps: {
           inline: [
+            'nuxt3',
             ...ctx.nuxt.options.build.transpile as string[]
           ]
         }
@@ -55,7 +56,11 @@ function createViteNodeMiddleware (ctx: ViteBuildContext): Connect.NextHandleFun
 }
 
 export async function prepareDevServerEntry (ctx: ViteBuildContext) {
-  const entryPath = resolve(ctx.nuxt.options.appDir, 'entry.async')
+  let entryPath = resolve(ctx.nuxt.options.appDir, 'entry.async.mjs')
+  if (!fse.existsSync(entryPath)) {
+    entryPath = resolve(ctx.nuxt.options.appDir, 'entry.async')
+  }
+
   const raw = await fse.readFile(resolve(distDir, 'runtime/server.mjs'), 'utf-8')
   const host = ctx.nuxt.options.server.host || 'localhost'
   const port = ctx.nuxt.options.server.port || '3000'

playground/nuxt.config.ts

@@ -3,5 +3,8 @@ import { defineNuxtConfig } from 'nuxt3'
 export default defineNuxtConfig({
   modules: [
     '@nuxt/ui'
-  ]
+  ],
+  experimental: {
+    viteNode: true
+  }
 })