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Jiwon ChoiandGitHub b1f49163f8 Return APP_PAGE instead of PAGES for production Instant Navigation tests (#95184)
### Why?

Current behavior:
https://github.com/vercel/next.js/actions/runs/28225010081/job/83615571987?pr=95184#step:31:8732

For a minimal-mode resume request carrying the Instant Navigation
testing cookie, Next.js skips the postponed render so the test receives
only the prefetched static shell. The resulting empty continuation was
represented as `PAGES`, but the App Page handler requires `APP_PAGE`,
causing error:

```
Error: Invariant app-page handler received invalid cache entry PAGES
```

### How?

Return an empty `APP_PAGE` response with the correct HTML or RSC content
type and postponed metadata. If the document continuation has no
`<head>` chunk, insert the Instant Navigation bootstrap while flushing
the stream.

Add production regression coverage for document and RSC-prefetch resume
requests using build-generated postponed state.

<!-- NEXT_JS_LLM_PR -->
2026-06-26 18:15:37 +00:00

12 lines
190 B
JavaScript

/**
* @type {import('next').NextConfig}
*/
const nextConfig = {
cacheComponents: true,
experimental: {
exposeTestingApiInProductionBuild: true,
},
}
module.exports = nextConfig