fix: use h3 alias only in nitro-v2-plugin

packages/nitro-v2-vite-plugin/package.json

@@ -40,7 +40,6 @@
   },
   "type": "module",
   "types": "dist/esm/index.d.ts",
-  "main": "dist/cjs/index.cjs",
   "module": "dist/esm/index.js",
   "exports": {
     ".": {
@@ -61,7 +60,8 @@
   },
   "dependencies": {
     "nitropack": "^2.12.6",
-    "pathe": "^2.0.3"
+    "pathe": "^2.0.3",
+    "h3-v1": "npm:h3@^1.15.4"
   },
   "peerDependencies": {
     "vite": ">=7.0.0"

packages/nitro-v2-vite-plugin/src/index.ts

@@ -1,3 +1,4 @@
+import { createRequire } from 'node:module'
 import { build, copyPublicAssets, createNitro, prepare } from 'nitropack'
 import { dirname, resolve } from 'pathe'
 
@@ -15,6 +16,7 @@ function isFullUrl(str: string): boolean {
     return false
   }
 }
+const require = createRequire(import.meta.url)
 
 export function nitroV2Plugin(nitroConfig?: NitroConfig): Array<PluginOption> {
   let resolvedConfig: ResolvedConfig
@@ -92,6 +94,7 @@ export function nitroV2Plugin(nitroConfig?: NitroConfig): Array<PluginOption> {
 
               await builder.build(client)
               await builder.build(server)
+              const h3 = require.resolve('h3-v1')
 
               const virtualEntry = '#tanstack/start/entry'
               const baseURL = !isFullUrl(resolvedConfig.base)
@@ -110,7 +113,22 @@ export function nitroV2Plugin(nitroConfig?: NitroConfig): Array<PluginOption> {
                 renderer: virtualEntry,
                 rollupConfig: {
                   ...nitroConfig?.rollupConfig,
-                  plugins: [virtualBundlePlugin(ssrBundle) as any],
+                  plugins: [
+                    virtualBundlePlugin(ssrBundle) as any,
+                    {
+                      name: 'resolve',
+                      resolveId(source, importer) {
+                        if (
+                          (importer?.includes('nitropack') ||
+                            importer === virtualEntry) &&
+                          source === 'h3'
+                        ) {
+                          return h3
+                        }
+                        return null
+                      },
+                    },
+                  ],
                 },
                 virtual: {
                   ...nitroConfig?.virtual,

packages/nitro-v2-vite-plugin/vite.config.ts

@@ -9,5 +9,6 @@ export default mergeConfig(
     entry: './src/index.ts',
     srcDir: './src',
     exclude: ['./src/tests/'],
+    cjs: false,
   }),
 )

packages/start-server-core/package.json

@@ -68,7 +68,7 @@
     "@tanstack/router-core": "workspace:*",
     "@tanstack/start-client-core": "workspace:*",
     "@tanstack/start-storage-context": "workspace:*",
-    "h3-v2": "npm:h3@2.0.0-beta.4",
+    "h3": "2.0.0-beta.5",
     "seroval": "^1.3.2",
     "tiny-invariant": "^1.3.3"
   },

packages/start-server-core/src/request-response.ts

@@ -19,7 +19,7 @@ import {
   unsealSession as h3_unsealSession,
   updateSession as h3_updateSession,
   useSession as h3_useSession,
-} from 'h3-v2'
+} from 'h3'
 import type {
   RequestHeaderMap,
   RequestHeaderName,