fix: fix and test module runner dynamic import

packages/vite/src/node/server/environments/rolldown.ts

@@ -488,13 +488,13 @@ function patchRuntimePlugin(environment: RolldownEnvironment): rolldown.Plugin {
 __rolldown_runtime.manifest = ${JSON.stringify(manifest, null, 2)};
 `
           }
-          if (chunk.name === 'hmr-update') {
-            // patch on hmr
-            if (environment.name === 'ssr') {
-              chunk.code += `
+          if (environment.name === 'ssr' && !chunk.isEntry) {
+            chunk.code += `
 var __rolldown_runtime = __rolldown_module_runner_context.__rolldown_runtime;
 `
-            }
+          }
+          if (chunk.name === 'hmr-update') {
+            // patch on hmr
             chunk.code += `
 __rolldown_runtime.patch(__rolldown_modules);
 `

playground/rolldown-dev-ssr/__tests__/basic.spec.ts

@@ -30,3 +30,8 @@ test.runIf(!isBuild)('hmr', async () => {
   const res = await page.request.get(viteTestUrl)
   expect(await res.text()).toContain('Count-x-y')
 })
+
+test('dynamic-import', async () => {
+  const res = await page.goto(viteTestUrl + '/dynamic-import')
+  expect(await res?.text()).toContain('[dynamic-import-ok]')
+})

playground/rolldown-dev-ssr/src/dynamic-import.tsx

@@ -0,0 +1 @@
+export default '[dynamic-import-ok]'

playground/rolldown-dev-ssr/src/entry-server.tsx

@@ -3,12 +3,17 @@ import type { Connect } from 'vite'
 import { App } from './app'
 import { throwError } from './error'
 
-const handler: Connect.SimpleHandleFunction = (req, res) => {
+const handler: Connect.SimpleHandleFunction = async (req, res) => {
   const url = new URL(req.url ?? '/', 'https://vite.dev')
   console.log(`[SSR] ${req.method} ${url.pathname}`)
   if (url.pathname === '/crash-ssr') {
     throwError()
   }
+  if (url.pathname === '/dynamic-import') {
+    const mod = await import('./dynamic-import')
+    res.end(mod.default)
+    return
+  }
   const ssrHtml = ReactDOMServer.renderToString(<App />)
   res.setHeader('content-type', 'text/html')
   // TODO: transformIndexHtml?