From 108b1bdf7285f3863a855e29a4581738c5ad8a6e Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Thu, 19 Oct 2023 15:24:33 +0100
Subject: [PATCH] fix(nuxt): restore `prerenderedAt` behaviour pending next
 patch

---
 packages/nuxt/src/app/composables/payload.ts    | 5 ++++-
 test/bundle.test.ts                             | 2 +-
 test/fixtures/basic/nuxt.config.ts              | 3 ---
 test/fixtures/basic/plugins/prerender.server.ts | 4 ++++
 4 files changed, 9 insertions(+), 5 deletions(-)
 create mode 100644 test/fixtures/basic/plugins/prerender.server.ts

diff --git a/packages/nuxt/src/app/composables/payload.ts b/packages/nuxt/src/app/composables/payload.ts
index b708f0bcc1..7220a36e53 100644
--- a/packages/nuxt/src/app/composables/payload.ts
+++ b/packages/nuxt/src/app/composables/payload.ts
@@ -79,7 +79,10 @@ async function _importPayload (payloadURL: string) {
 export async function isPrerendered (url = useRoute().path) {
   // Note: Alternative for server is checking x-nitro-prerender header
   const nuxtApp = useNuxtApp()
-  if (!appManifest) { return !!nuxtApp.payload.prerenderedAt }
+  if (nuxtApp.payload.prerenderedAt) {
+    return true
+  }
+  if (!appManifest) { return false }
   const manifest = await getAppManifest()
   if (manifest.prerendered.includes(url)) {
     return true
diff --git a/test/bundle.test.ts b/test/bundle.test.ts
index 0887888846..ed506c5094 100644
--- a/test/bundle.test.ts
+++ b/test/bundle.test.ts
@@ -19,7 +19,7 @@ describe.skipIf(process.env.SKIP_BUNDLE_SIZE === 'true' || process.env.ECOSYSTEM
   for (const outputDir of ['.output', '.output-inline']) {
     it('default client bundle size', async () => {
       const clientStats = await analyzeSizes('**/*.js', join(rootDir, outputDir, 'public'))
-      expect.soft(roundToKilobytes(clientStats.totalBytes)).toMatchInlineSnapshot('"99.1k"')
+      expect.soft(roundToKilobytes(clientStats.totalBytes)).toMatchInlineSnapshot('"99.2k"')
       expect(clientStats.files.map(f => f.replace(/\..*\.js/, '.js'))).toMatchInlineSnapshot(`
         [
           "_nuxt/entry.js",
diff --git a/test/fixtures/basic/nuxt.config.ts b/test/fixtures/basic/nuxt.config.ts
index 5ff07c9e0b..3c1193ad16 100644
--- a/test/fixtures/basic/nuxt.config.ts
+++ b/test/fixtures/basic/nuxt.config.ts
@@ -47,9 +47,6 @@ export default defineNuxtConfig({
       }
     },
     routeRules: {
-      // TODO: update this test
-      // pretend to be fully prerendered
-      '/**': { prerender: true },
       '/route-rules/spa': { ssr: false },
       '/hydration/spa-redirection/**': { ssr: false },
       '/no-scripts': { experimentalNoScripts: true }
diff --git a/test/fixtures/basic/plugins/prerender.server.ts b/test/fixtures/basic/plugins/prerender.server.ts
new file mode 100644
index 0000000000..9eec0f831c
--- /dev/null
+++ b/test/fixtures/basic/plugins/prerender.server.ts
@@ -0,0 +1,4 @@
+export default defineNuxtPlugin((nuxtApp) => {
+  // Pretend to be prerendered
+  nuxtApp.payload.prerenderedAt = Date.now()
+})