fix(schema): handle dev/test `buildId` in schema (#27274)

packages/nuxt/src/core/nitro.ts

@@ -218,8 +218,7 @@ export async function initNitro (nuxt: Nuxt & { _nitro?: Nitro }) {
 
   // Add app manifest handler and prerender configuration
   if (nuxt.options.experimental.appManifest) {
-    const buildId = nuxt.options.runtimeConfig.app.buildId ||=
-      (nuxt.options.dev ? 'dev' : nuxt.options.test ? 'test' : nuxt.options.buildId)
+    const buildId = nuxt.options.runtimeConfig.app.buildId ||= nuxt.options.buildId
     const buildTimestamp = Date.now()
 
     const manifestPrefix = joinURL(nuxt.options.app.buildAssetsDir, 'builds')

packages/schema/src/config/common.ts

@@ -165,7 +165,12 @@ export default defineUntypedSchema({
    * A unique identifier matching the build. This may contain the hash of the current state of the project.
    */
   buildId: {
-    $resolve: (val: string) => val ?? randomUUID(),
+    $resolve: async (val: string | undefined, get): Promise<string> => {
+      if (typeof val === 'string') { return val }
+
+      const [isDev, isTest] = await Promise.all([get('dev') as Promise<boolean>, get('test') as Promise<boolean>])
+      return isDev ? 'dev' : isTest ? 'test' : randomUUID()
+    },
   },
 
   /**

vitest.nuxt.config.ts

@@ -13,14 +13,10 @@ export default defineVitestConfig({
     environmentOptions: {
       nuxt: {
         overrides: {
+          buildId: 'override',
           experimental: {
             appManifest: process.env.TEST_MANIFEST !== 'manifest-off',
           },
-          runtimeConfig: {
-            app: {
-              buildId: 'override',
-            },
-          },
         },
       },
     },