Sandbox::https://github.com/withastro/astro/pull/17998

astro-factory · 2026-09-15T05:44:19Z

Changes

CSP hashes for inline styles (including those in imported SVGs) now match what browsers compute. Browsers normalize \r\n and lone \r to \n before hashing per the HTML spec; Astro now does the same in generateCspDigest(). Without this, files with CRLF line endings (common on Windows, in WSL2, or with git core.autocrlf=true) produced a hash that browsers would never match, causing CSP violations.
The fix is a single replace(/\r\n?/g, '\n') applied before hashing in packages/astro/src/core/encryption.ts. It is a no-op for LF-only content, so there is no impact on the common case.

Testing

Added packages/astro/test/units/csp/digest.test.ts with cases covering CRLF, lone CR, and LF-only input to generateCspDigest(), verifying all three produce the same hash.

Docs

No docs update needed; this is an internal hash-computation correction with no API or config changes.

Closes #17996

changeset-bot · 2026-09-15T05:44:24Z

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codspeed · 2026-09-15T05:50:47Z

Merging this PR will not alter performance

✅ 21 untouched benchmarks

_{Comparing factory/fix-17996 (c805bf9) with main (30ef3cb)¹}

No successful run was found on main (24946f7) during the generation of this report, so 30ef3cb was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

ematipico · 2026-09-16T12:59:36Z

+				styles.push(textContent);
+			}
+		} else if (node.children) {
+			styles.push(...collectStyleTexts(node.children));


I'm not very fond of this recursion...

Do you mean traversing at all, or just the fact that it's recursion? What is your concern here? Depth? It's just an SVG so I can't imagine it being that dep. But could switch to a while loop / stack approach instead if that's the concern.

…xtraction test Fixes @typescript-eslint/prefer-regexp-exec and regexp/prefer-regexp-exec in packages/astro/test/units/svg/style-extraction.test.ts.

…versal Avoid recursion when walking the SVG node tree in collectStyleTexts; use an explicit stack that preserves document-order traversal.

This PR contains the following updates: | Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) | |---|---|---|---| | [astro](https://astro.build) ([source](https://github.com/withastro/astro/tree/HEAD/packages/astro)) | [`7.3.2` → `7.3.3`](https://renovatebot.com/diffs/npm/astro/7.3.2/7.3.3) | ![age](https://developer.mend.io/api/mc/badges/age/npm/astro/7.3.3?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/astro/7.3.2/7.3.3?slim=true) | --- ### Release Notes <details> <summary>withastro/astro (astro)</summary> ### [`v7.3.3`](https://github.com/withastro/astro/blob/HEAD/packages/astro/CHANGELOG.md#733) [Compare Source](https://github.com/withastro/astro/compare/astro@7.3.2...astro@7.3.3) ##### Patch Changes - [#17651](withastro/astro#17651) [`504333c`](withastro/astro@504333c) Thanks [@sxzz](https://github.com/sxzz)! - Refactors internal version handling to use a smaller, ESM-native dependency - [#17942](withastro/astro#17942) [`0bc5715`](withastro/astro@0bc5715) Thanks [@matthewp](https://github.com/matthewp)! - Returns appropriate 400 and 404 responses from the image endpoint for invalid and missing local image paths - [#17700](withastro/astro#17700) [`b2222fc`](withastro/astro@b2222fc) Thanks [@winklemad](https://github.com/winklemad)! - Fixes `Astro.preferredLocaleList` returning an empty list when a locale is configured with the object form (`{ path, codes }`) and the browser sends the code with different casing or an underscore, such as `en-US` matching a configured `en-us` - [#17941](withastro/astro#17941) [`394ff79`](withastro/astro@394ff79) Thanks [@matthewp](https://github.com/matthewp)! - Fixes `astro preview --ignore-lock` (and `astro dev --ignore-lock`) being refused when run from an AI agent environment. The flag now starts the server in the foreground instead of erroring, since agent detection only inferred background mode and was never explicitly requested. An explicit `--background` combined with `--ignore-lock` still errors. - [#17928](withastro/astro#17928) [`3277927`](withastro/astro@3277927) Thanks [@ArmandPhilippot](https://github.com/ArmandPhilippot)! - Fixes TypeScript autocompletion for `getImage()` to suggest all available predefined options. - [#17928](withastro/astro#17928) [`3277927`](withastro/astro@3277927) Thanks [@ArmandPhilippot](https://github.com/ArmandPhilippot)! - Fixes a type error in `getImage()` options that allowed passing both `widths` and `densities` at the same time. - [#17857](withastro/astro#17857) [`2637ed1`](withastro/astro@2637ed1) Thanks [@Princesseuh](https://github.com/Princesseuh)! - Improves rendering performance - [#17943](withastro/astro#17943) [`2fc7ce9`](withastro/astro@2fc7ce9) Thanks [@matthewp](https://github.com/matthewp)! - Fixes a WebAssembly error when importing `astro:actions` in tests that run under `@cloudflare/vitest-pool-workers` - [#18018](withastro/astro#18018) [`1b5a234`](withastro/astro@1b5a234) Thanks [@astro-factory](https://github.com/apps/astro-factory)! - Fixes trailing-slash redirect response body pointing to the incoming URL instead of the redirect target. The `location` header was correct, but the HTML body (`<meta http-equiv="refresh">`, `<title>`, and `<a>` tag) contained the original request path without the trailing-slash correction or query string. - [#17905](withastro/astro#17905) [`eaf70fa`](withastro/astro@eaf70fa) Thanks [@SudoDevStudio](https://github.com/SudoDevStudio)! - Fixes custom dev toolbar apps losing their UI after client-side navigation with `<ClientRouter />`. - [#18011](withastro/astro#18011) [`558b301`](withastro/astro@558b301) Thanks [@astro-factory](https://github.com/apps/astro-factory)! - Fixes prerendered Cloudflare pages rendering as `[object Object]` when `nodejs_compat` is enabled in `wrangler.toml` - [#17944](withastro/astro#17944) [`ba08e35`](withastro/astro@ba08e35) Thanks [@matthewp](https://github.com/matthewp)! - Fixes a regression in `astro dev` where writes outside the module graph (for example, `@astrojs/cloudflare`'s `.wrangler/state` files) invalidated the middleware on every request, causing repeated SSR reloads. Such writes no longer invalidate the middleware. - [#17531](withastro/astro#17531) [`ae837db`](withastro/astro@ae837db) Thanks [@danilloestrela](https://github.com/danilloestrela)! - Updates `svgo` to `4.0.2` to resolve a security advisory - [#17953](withastro/astro#17953) [`dbbf10e`](withastro/astro@dbbf10e) Thanks [@astro-factory](https://github.com/apps/astro-factory)! - Fixes a one-time page reload shortly after the first load on cold dev-server starts when a project has framework components imported from MDX content entries. MDX files are now included in the dev dependency pre-bundling scan, so their framework dependencies are bundled up front instead of being discovered (and reloaded for) at runtime. - [#17955](withastro/astro#17955) [`4e8ad9a`](withastro/astro@4e8ad9a) Thanks [@matthewp](https://github.com/matthewp)! - Improves dev server startup time. The content config and dev server app module graphs now begin compiling during server creation without blocking the server from listening. Request handling waits for the shared setup result when needed, cutting `astro dev` ready time by roughly a third on projects with a content config. - [#17960](withastro/astro#17960) [`9838049`](withastro/astro@9838049) Thanks [@Chy-Zaber-Bin-Zahid](https://github.com/Chy-Zaber-Bin-Zahid)! - Improves the diagnostics of some Astro errors. - [#17998](withastro/astro#17998) [`0e5478d`](withastro/astro@0e5478d) Thanks [@astro-factory](https://github.com/apps/astro-factory)! - Fixes SVG `<style>` elements nested inside `<defs>` or other container elements not being hashed for CSP - [#17994](withastro/astro#17994) [`80f9f1d`](withastro/astro@80f9f1d) Thanks [@astro-factory](https://github.com/apps/astro-factory)! - Fixes `experimental.incrementalBuild` restoring pages with stale CSS after a preprocessor partial changes or missing original images referenced by restored pages - [#17889](withastro/astro#17889) [`8ae6b46`](withastro/astro@8ae6b46) Thanks [@ajfAfg](https://github.com/ajfAfg)! - Fixes a bug where the dev server stripped the configured `base` from URLs that only share a prefix with it. With `base: '/s'`, requests to `/src/...` were rewritten to `/rc/...` and failed, breaking those pages during development. - [#17980](withastro/astro#17980) [`cfccafa`](withastro/astro@cfccafa) Thanks [@gameroman](https://github.com/gameroman)! - Improves JSDoc for fonts api - [#17953](withastro/astro#17953) [`dbbf10e`](withastro/astro@dbbf10e) Thanks [@astro-factory](https://github.com/apps/astro-factory)! - Fixes CSS HMR for framework components rendered through content entries after `ClientRouter` navigation - [#17970](withastro/astro#17970) [`0b4dc3a`](withastro/astro@0b4dc3a) Thanks [@matthewp](https://github.com/matthewp)! - Improves serialization of transition animation values in generated CSS - [#17999](withastro/astro#17999) [`30ef3cb`](withastro/astro@30ef3cb) Thanks [@astro-factory](https://github.com/apps/astro-factory)! - Fixes content collection HMR not updating prerendered pages when an adapter enables a separate prerender environment (e.g. `@astrojs/cloudflare` with `prerenderEnvironment: 'node'`) - [#18002](withastro/astro#18002) [`312ab49`](withastro/astro@312ab49) Thanks [@shoutoutuoadi325](https://github.com/shoutoutuoadi325)! - Fixes redirect targets being corrupted when a dynamic route parameter value contains `$` replacement patterns like `$&` - [#17937](withastro/astro#17937) [`e294953`](withastro/astro@e294953) Thanks [@matthewp](https://github.com/matthewp)! - Fixes a bug where the `glob()` content loader kept stale entries in the data store after the last file in a collection was deleted. Empty collections are now pruned correctly, and the file watcher is registered in dev so the first file added to an empty collection is picked up without a restart. - [#17945](withastro/astro#17945) [`750b4db`](withastro/astro@750b4db) Thanks [@matthewp](https://github.com/matthewp)! - Pre-bundles renderer server entrypoints and the default console logger during dev so they are included in the initial optimization pass, preventing a mid-request re-optimization that could crash the dev server on Cloudflare (workerd). </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. 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astro-factory Bot added the fix verified Reporter confirmed the triage bot fix works label Sep 15, 2026

astro-factory Bot mentioned this pull request Sep 15, 2026

[Regression] SVG styles are no longer being hashed #17996

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github-actions Bot added the pkg: astro Related to the core `astro` package (scope) label Sep 15, 2026

fix(svg): collect nested <style> elements for CSP hashing (#17996)

d403037

astro-factory Bot force-pushed the factory/fix-17996 branch from b997142 to d403037 Compare September 15, 2026 12:42

matthewp added 2 commits September 15, 2026 22:05

Merge branch 'main' into factory/fix-17996

4e610c7

Merge branch 'main' into factory/fix-17996

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ematipico reviewed Sep 16, 2026

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matthewp added 2 commits September 16, 2026 10:38

fix(lint): use RegExp#exec() instead of String#match() in SVG style e…

1be15f4

…xtraction test Fixes @typescript-eslint/prefer-regexp-exec and regexp/prefer-regexp-exec in packages/astro/test/units/svg/style-extraction.test.ts.

fix(svg): replace recursive style collection with iterative stack tra…

c805bf9

…versal Avoid recursion when walking the SVG node tree in collectStyleTexts; use an explicit stack that preserves document-order traversal.

matthewp approved these changes Sep 16, 2026

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matthewp merged commit 0e5478d into main Sep 16, 2026
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matthewp deleted the factory/fix-17996 branch September 16, 2026 15:47

astrobot-houston mentioned this pull request Sep 16, 2026

[ci] release #17939

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henry-nsheaps Bot mentioned this pull request Oct 17, 2026

fix(deps): update dependency astro to ^7.3.3 nsheaps/claude-daemon-setup#24

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Normalize CRLF line endings before computing CSP hashes - #17998

Normalize CRLF line endings before computing CSP hashes#17998
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