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Surface prerender errors and ensure teardown#15875

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ematipico merged 3 commits intomainfrom
fix-cloudflare-prerender-error-details
Mar 13, 2026
Merged

Surface prerender errors and ensure teardown#15875
ematipico merged 3 commits intomainfrom
fix-cloudflare-prerender-error-details

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@matthewp matthewp commented Mar 12, 2026

Changes

Testing

  • Add a Cloudflare integration test fixture with a dynamic route missing getStaticPaths() and assert the surfaced error details.

Docs

  • No docs update needed; this is error reporting and teardown reliability.

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changeset-bot bot commented Mar 12, 2026

🦋 Changeset detected

Latest commit: 1260a11

The changes in this PR will be included in the next version bump.

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@github-actions github-actions bot added pkg: integration Related to any renderer integration (scope) pkg: astro Related to the core `astro` package (scope) labels Mar 12, 2026
@matthewp matthewp marked this pull request as ready for review March 12, 2026 14:29
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codspeed-hq bot commented Mar 12, 2026

Merging this PR will not alter performance

✅ 18 untouched benchmarks


Comparing fix-cloudflare-prerender-error-details (1260a11) with main (f47ac53)

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@matthewp matthewp changed the title fix(cloudflare): surface prerender errors and ensure teardown Surface prerender errors and ensure teardown Mar 12, 2026
@ematipico ematipico merged commit c43ef8a into main Mar 13, 2026
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@ematipico ematipico deleted the fix-cloudflare-prerender-error-details branch March 13, 2026 11:23
@astrobot-houston astrobot-houston mentioned this pull request Mar 13, 2026
dadezzz pushed a commit to dadezzz/ice-notes that referenced this pull request Mar 20, 2026
This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [@astrojs/check](https://github.com/withastro/astro/tree/main/packages/language-tools/astro-check) ([source](https://github.com/withastro/astro/tree/HEAD/packages/language-tools/astro-check)) | [`0.9.7` → `0.9.8`](https://renovatebot.com/diffs/npm/@astrojs%2fcheck/0.9.7/0.9.8) | ![age](https://developer.mend.io/api/mc/badges/age/npm/@astrojs%2fcheck/0.9.8?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@astrojs%2fcheck/0.9.7/0.9.8?slim=true) |
| [astro](https://astro.build) ([source](https://github.com/withastro/astro/tree/HEAD/packages/astro)) | [`6.0.4` → `6.0.5`](https://renovatebot.com/diffs/npm/astro/6.0.4/6.0.5) | ![age](https://developer.mend.io/api/mc/badges/age/npm/astro/6.0.5?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/astro/6.0.4/6.0.5?slim=true) |

---

### Release Notes

<details>
<summary>withastro/astro (@&#8203;astrojs/check)</summary>

### [`v0.9.8`](https://github.com/withastro/astro/blob/HEAD/packages/language-tools/astro-check/CHANGELOG.md#098)

[Compare Source](https://github.com/withastro/astro/compare/@astrojs/check@0.9.7...@astrojs/check@0.9.8)

##### Patch Changes

- [#&#8203;15892](withastro/astro#15892) [`a2f597d`](withastro/astro@a2f597d) Thanks [@&#8203;Princesseuh](https://github.com/Princesseuh)! - Fixes Astro not being able to find astro check sometimes

- Updated dependencies \[[`7b4b254`](withastro/astro@7b4b254)]:
  - [@&#8203;astrojs/language-server](https://github.com/astrojs/language-server)@&#8203;2.16.5

</details>

<details>
<summary>withastro/astro (astro)</summary>

### [`v6.0.5`](https://github.com/withastro/astro/blob/HEAD/packages/astro/CHANGELOG.md#605)

[Compare Source](https://github.com/withastro/astro/compare/astro@6.0.4...astro@6.0.5)

##### Patch Changes

- [#&#8203;15891](withastro/astro#15891) [`b889231`](withastro/astro@b889231) Thanks [@&#8203;matthewp](https://github.com/matthewp)! - Fix dev routing for `server:defer` islands when adapters opt into handling prerendered routes in Astro core. Server island requests are now treated as prerender-handler eligible so prerendered pages using `prerenderEnvironment: 'node'` can load island content without `400` errors.

- [#&#8203;15890](withastro/astro#15890) [`765a887`](withastro/astro@765a887) Thanks [@&#8203;matthewp](https://github.com/matthewp)! - Fixes `astro:actions` validation to check resolved routes, so projects using default static output with at least one `prerender = false` page or endpoint no longer fail during startup.

- [#&#8203;15884](withastro/astro#15884) [`dcd2c8e`](withastro/astro@dcd2c8e) Thanks [@&#8203;matthewp](https://github.com/matthewp)! - Avoid a `MaxListenersExceededWarning` during `astro dev` startup by increasing the shared Vite watcher listener limit when attaching content server listeners.

- [#&#8203;15904](withastro/astro#15904) [`23d5244`](withastro/astro@23d5244) Thanks [@&#8203;jlukic](https://github.com/jlukic)! - Emit the `before-hydration` script chunk for the `client` Vite environment. The chunk was only emitted for `prerender` and `ssr` environments, causing a 404 when browsers tried to load it. This broke hydration for any integration using `injectScript('before-hydration', ...)`, including Lit SSR.

- [#&#8203;15933](withastro/astro#15933) [`325901e`](withastro/astro@325901e) Thanks [@&#8203;ematipico](https://github.com/ematipico)! - Fixes an issue where `<style>` tags inside SVG components weren't correctly tracked when enabling CSP.

- [#&#8203;15875](withastro/astro#15875) [`c43ef8a`](withastro/astro@c43ef8a) Thanks [@&#8203;matthewp](https://github.com/matthewp)! - Ensure custom prerenderers are always torn down during build, even when `getStaticPaths()` throws.

- [#&#8203;15887](withastro/astro#15887) [`1861fed`](withastro/astro@1861fed) Thanks [@&#8203;ematipico](https://github.com/ematipico)! - Fixes an issue where the build incorrectly leaked server entrypoint into the client environment, causing adapters to emit warnings during the build.

- [#&#8203;15888](withastro/astro#15888) [`925252e`](withastro/astro@925252e) Thanks [@&#8203;matthewp](https://github.com/matthewp)! - Fix a bug where `server:defer` could fail at runtime in prerendered pages for some adapters (including Cloudflare), causing errors like `serverIslandMap?.get is not a function`.

- [#&#8203;15901](withastro/astro#15901) [`07c1002`](withastro/astro@07c1002) Thanks [@&#8203;delucis](https://github.com/delucis)! - Fixes JSON schema generation for content collection schemas that have differences between their input and output shapes.

- [#&#8203;15882](withastro/astro#15882) [`759f946`](withastro/astro@759f946) Thanks [@&#8203;matthewp](https://github.com/matthewp)! - Fix `Astro.url.pathname` for the root page when using `build.format: "file"` so it resolves to `/index.html` instead of `/.html` during builds.

</details>

---

### Configuration

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👻 **Immortal**: This PR will be recreated if closed unmerged. Get [config help](https://github.com/renovatebot/renovate/discussions) if that's undesired.

---

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---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Co-authored-by: Renovate Bot <renovate@zarantonello.dev>
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[@astrojs/cloudflare] Prerenderer swallows error details from workerd, returns opaque 500

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