fix nextConfig headers not applying to static resources with i18n

[ztanner]

Closed in favor of nextConfig.headers.locale being set to false. https://nextjs.org/docs/app/api-reference/next-config-js/headers#headers-with-i18n-support

[ztanner]

Current dependencies on/for this PR:

• canary
  • PR fix nextConfig headers not applying to static resources with i18n #59270 👈

This stack of pull requests is managed by Graphite.

[ijjk]

Failing test suites

Commit: 850a552

pnpm test test/integration/custom-routes/test/index.test.js

• Custom routes > production mode > should output routes-manifest successfully

Expand output

● Custom routes › production mode › should output routes-manifest successfully

expect(received).toEqual(expected) // deep equality

- Expected  -  0
+ Received  + 10

@@ -346,10 +346,20 @@
          },
        ],
        "regex": "^\\/has-header-4(?:\\/)?$",
        "source": "/has-header-4",
      },
+     Object {
+       "headers": Array [
+         Object {
+           "key": "X-Global-Custom-Header",
+           "value": "my custom header value",
+         },
+       ],
+       "regex": "^(?:\\/((?:[^\\/]+?)(?:\\/(?:[^\\/]+?))*))?(?:\\/)?$",
+       "source": "/:path*",
+     },
    ],
    "pages404": true,
    "redirects": Array [
      Object {
        "destination": "/:path+",

  1523 |       }
  1524 |
> 1525 |       expect(manifest).toEqual({
       |                        ^
  1526 |         version: 3,
  1527 |         pages404: true,
  1528 |         caseSensitive: true,

  at Object.toEqual (integration/custom-routes/test/index.test.js:1525:24)

Read more about building and testing Next.js in contributing.md.

[ijjk]

Stats from current PR

Default Build

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js 12-04-fix_nextConfig_headers_not_applying_to_static_resources_with_i18n	Change
buildDuration	10.4s	10.4s	N/A
buildDurationCached	6s	6.6s	⚠️ +635ms
nodeModulesSize	199 MB	199 MB	⚠️ +842 B
nextStartRea..uration (ms)	424ms	421ms	N/A

Client Bundles (main, webpack)

	vercel/next.js canary	vercel/next.js 12-04-fix_nextConfig_headers_not_applying_to_static_resources_with_i18n	Change
199-HASH.js gzip	30.6 kB	30.6 kB	N/A
3f784ff6-HASH.js gzip	53.3 kB	53.3 kB	✓
494.HASH.js gzip	180 B	181 B	N/A
framework-HASH.js gzip	45.2 kB	45.2 kB	✓
main-app-HASH.js gzip	241 B	240 B	N/A
main-HASH.js gzip	31.7 kB	31.7 kB	N/A
webpack-HASH.js gzip	1.7 kB	1.7 kB	✓
Overall change	100 kB	100 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js 12-04-fix_nextConfig_headers_not_applying_to_static_resources_with_i18n	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js 12-04-fix_nextConfig_headers_not_applying_to_static_resources_with_i18n	Change
_app-HASH.js gzip	194 B	195 B	N/A
_error-HASH.js gzip	182 B	181 B	N/A
amp-HASH.js gzip	501 B	503 B	N/A
css-HASH.js gzip	322 B	323 B	N/A
dynamic-HASH.js gzip	2.5 kB	2.5 kB	✓
edge-ssr-HASH.js gzip	253 B	255 B	N/A
head-HASH.js gzip	348 B	347 B	N/A
hooks-HASH.js gzip	369 B	368 B	N/A
image-HASH.js gzip	4.27 kB	4.27 kB	N/A
index-HASH.js gzip	256 B	256 B	✓
link-HASH.js gzip	2.61 kB	2.6 kB	N/A
routerDirect..HASH.js gzip	311 B	311 B	✓
script-HASH.js gzip	384 B	383 B	N/A
withRouter-HASH.js gzip	307 B	308 B	N/A
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Overall change	3.17 kB	3.17 kB	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js 12-04-fix_nextConfig_headers_not_applying_to_static_resources_with_i18n	Change
_buildManifest.js gzip	484 B	483 B	N/A
Overall change	0 B	0 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js 12-04-fix_nextConfig_headers_not_applying_to_static_resources_with_i18n	Change
index.html gzip	527 B	527 B	✓
link.html gzip	537 B	541 B	N/A
withRouter.html gzip	523 B	523 B	✓
Overall change	1.05 kB	1.05 kB	✓

Edge SSR bundle Size

	vercel/next.js canary	vercel/next.js 12-04-fix_nextConfig_headers_not_applying_to_static_resources_with_i18n	Change
edge-ssr.js gzip	92.6 kB	92.7 kB	N/A
page.js gzip	145 kB	145 kB	N/A
Overall change	0 B	0 B	✓

Middleware size

	vercel/next.js canary	vercel/next.js 12-04-fix_nextConfig_headers_not_applying_to_static_resources_with_i18n	Change
middleware-b..fest.js gzip	624 B	624 B	✓
middleware-r..fest.js gzip	150 B	151 B	N/A
middleware.js gzip	35.7 kB	35.7 kB	✓
edge-runtime..pack.js gzip	1.92 kB	1.92 kB	✓
Overall change	38.3 kB	38.3 kB	✓

Next Runtimes

	vercel/next.js canary	vercel/next.js 12-04-fix_nextConfig_headers_not_applying_to_static_resources_with_i18n	Change
app-page-exp...dev.js gzip	168 kB	168 kB	✓
app-page-exp..prod.js gzip	93.8 kB	93.8 kB	✓
app-page-tur..prod.js gzip	94.5 kB	94.5 kB	✓
app-page-tur..prod.js gzip	89.1 kB	89.1 kB	✓
app-page.run...dev.js gzip	138 kB	138 kB	✓
app-page.run..prod.js gzip	88.4 kB	88.4 kB	✓
app-route-ex...dev.js gzip	24.2 kB	24.2 kB	✓
app-route-ex..prod.js gzip	16.8 kB	16.8 kB	✓
app-route-tu..prod.js gzip	16.9 kB	16.9 kB	✓
app-route-tu..prod.js gzip	16.4 kB	16.4 kB	✓
app-route.ru...dev.js gzip	23.6 kB	23.6 kB	✓
app-route.ru..prod.js gzip	16.4 kB	16.4 kB	✓
pages-api-tu..prod.js gzip	9.37 kB	9.37 kB	✓
pages-api.ru...dev.js gzip	9.64 kB	9.64 kB	✓
pages-api.ru..prod.js gzip	9.37 kB	9.37 kB	✓
pages-turbo...prod.js gzip	21.9 kB	21.9 kB	✓
pages.runtim...dev.js gzip	22.6 kB	22.6 kB	✓
pages.runtim..prod.js gzip	21.9 kB	21.9 kB	✓
server.runti..prod.js gzip	49.3 kB	49.3 kB	✓
Overall change	930 kB	930 kB	✓

Commit: 850a552