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James Anderson
f8481ac04d
* fix(css): preserve distinct media filenames for CSS url() assets
Match Next.js `asset/resource` behaviour for CSS `url()` dependencies:
emit them as files under `/_next/static/media/` instead of inlining, and
keep byte-identical sources (e.g. `dark.svg` / `dark2.svg`) as separate
output files instead of letting Vite/Rolldown's content-based asset
dedupe collapse them onto one filename.
There is no config switch to disable that dedupe (vitejs/vite#8632). The
native escape hatch is `this.emitFile({ fileName })`, which is never
deduped. A build-only, client-scoped pair of plugins:
- mark: during the client CSS transform, tag each relative asset
`url()` with a private `?vinext_css_url_asset=<source-basename>`
query — the only durable carrier of per-reference provenance, since
once Rolldown dedupes, the bundle can't tell which reference came
from which source.
- restore: at `generateBundle`, read the marker back, emit a sibling
file under the wanted source name via the `fileName` escape hatch,
rewrite the reference, and strip the marker.
Each reference resolves from its own marker, so split CSS chunks stay
correct without a shared cursor or bundle-iteration-order dependence.
This is a slimmer reimplementation of the approach explored in #1703:
same mark/restore mechanism and public surface, but the restore side
drops the AssetIndexes machinery, filename-reservation loop, and
multi-fallback lookups in favour of a single basename map + emitted-set,
since the sibling-filename construction (source-stem + content-hash +
ext) makes those guarded cases unreachable.
Tests port the Next.js scss/url-global e2e into the committed
`pages-basic` and `app-basic` fixtures (built in isolation), covering
the single-stylesheet two-identical-urls case and cross-chunk provenance.
Co-authored-by: Nathan Nguyen <146415969+NathanDrake2406@users.noreply.github.com>
* fix(css): merge duplicate vite import; drop ReDoS-flagged regex; clarify comments
- tests/css-url-assets.test.ts: merge the two `vite` imports into one
(import/no-duplicates lint error that failed CI Check).
- client-build-config.ts: replace `/\/+$/` trailing-slash strip with a
linear loop so CodeQL stops flagging a (false-positive) ReDoS.
- index.ts: reword the css-url mark transform's `map: null` comment — the
marker shifts columns transiently but is stripped before final output.
- css-url-assets.ts: note the basename-uniqueness assumption in assetsByBase.
Addresses review feedback on #1725.
Co-authored-by: Nathan Nguyen <146415969+NathanDrake2406@users.noreply.github.com>
* test(css): use dedicated minimal fixtures for url() asset tests
The url() asset tests previously added routes to the shared app-basic /
pages-basic fixtures and built those whole apps in isolation. That made
the tests CPU-heavy and, run concurrently under CI, contended with
app-router.test.ts's static-export test enough to push it past its 30s
timeout (it passes comfortably locally and on main; the extra parallel
load was the trigger). The added app-basic route also slightly inflated
every app-basic-wide test (static export renders all routes).
Move the fixtures into dedicated minimal committed apps
(tests/fixtures/css-url-assets-{app,pages}) that build in ~1-2s. Same
observable contract (byte-identical dark.svg/dark2.svg referenced from
one stylesheet, plus the split-chunk provenance case), now isolated from
the heavyweight shared fixtures and fast enough not to contend.
Co-authored-by: Nathan Nguyen <146415969+NathanDrake2406@users.noreply.github.com>
* docs(test): update css-url-assets header to reference the dedicated fixtures
The file header still described the pre-refactor layout (pages-basic /
app-basic paths that no longer exist). Point it at the dedicated
css-url-assets-{pages,app} fixtures. Comment-only.
Co-authored-by: Nathan Nguyen <146415969+NathanDrake2406@users.noreply.github.com>
---------
Co-authored-by: Nathan Nguyen <146415969+NathanDrake2406@users.noreply.github.com>
6 lines
84 B
JSON
6 lines
84 B
JSON
{
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"name": "fixture-css-url-assets-pages",
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"private": true,
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"type": "module"
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}
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