Ensure Turbopack writes font optimization manifest

[timneutkens]

What?

Even though we don't support the legacy font optimization (what came before next/font) the manifest is read during builds, so we have to write an empty version of it.

Closes NEXT-2498

[timneutkens]

• canary
  • Ensure Turbopack writes font optimization manifest #62079 👈
    • Add dev option to Turbopack createProject() #62083

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[ijjk]

Stats from current PR

Default Build (Increase detected ⚠️)

General Overall increase ⚠️

	vercel/next.js canary	vercel/next.js 02-15-Ensure_Turbopack_writes_font_optimization_manifest	Change
buildDuration	20.4s	20.1s	N/A
buildDurationCached	7.8s	7.8s	N/A
nodeModulesSize	196 MB	196 MB	⚠️ +14.4 kB
nextStartRea..uration (ms)	428ms	426ms	N/A

Client Bundles (main, webpack)

	vercel/next.js canary	vercel/next.js 02-15-Ensure_Turbopack_writes_font_optimization_manifest	Change
1068-HASH.js gzip	30.2 kB	30.2 kB	N/A
3f784ff6-HASH.js gzip	53.5 kB	53.5 kB	N/A
4944-HASH.js gzip	5.04 kB	5.03 kB	N/A
8423.HASH.js gzip	181 B	181 B	✓
framework-HASH.js gzip	45.2 kB	45.2 kB	✓
main-app-HASH.js gzip	241 B	242 B	N/A
main-HASH.js gzip	32.1 kB	32.1 kB	N/A
webpack-HASH.js gzip	1.7 kB	1.7 kB	✓
Overall change	47.1 kB	47.1 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	vercel/next.js 02-15-Ensure_Turbopack_writes_font_optimization_manifest	Change
polyfills-HASH.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	vercel/next.js 02-15-Ensure_Turbopack_writes_font_optimization_manifest	Change
_app-HASH.js gzip	196 B	196 B	✓
_error-HASH.js gzip	184 B	183 B	N/A
amp-HASH.js gzip	503 B	504 B	N/A
css-HASH.js gzip	323 B	324 B	N/A
dynamic-HASH.js gzip	2.5 kB	2.51 kB	N/A
edge-ssr-HASH.js gzip	258 B	259 B	N/A
head-HASH.js gzip	353 B	351 B	N/A
hooks-HASH.js gzip	370 B	370 B	✓
image-HASH.js gzip	4.21 kB	4.2 kB	N/A
index-HASH.js gzip	259 B	259 B	✓
link-HASH.js gzip	2.68 kB	2.67 kB	N/A
routerDirect..HASH.js gzip	313 B	314 B	N/A
script-HASH.js gzip	386 B	385 B	N/A
withRouter-HASH.js gzip	309 B	311 B	N/A
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Overall change	931 B	931 B	✓

Client Build Manifests

	vercel/next.js canary	vercel/next.js 02-15-Ensure_Turbopack_writes_font_optimization_manifest	Change
_buildManifest.js gzip	485 B	484 B	N/A
Overall change	0 B	0 B	✓

Rendered Page Sizes

	vercel/next.js canary	vercel/next.js 02-15-Ensure_Turbopack_writes_font_optimization_manifest	Change
index.html gzip	528 B	527 B	N/A
link.html gzip	541 B	540 B	N/A
withRouter.html gzip	525 B	522 B	N/A
Overall change	0 B	0 B	✓

Edge SSR bundle Size

	vercel/next.js canary	vercel/next.js 02-15-Ensure_Turbopack_writes_font_optimization_manifest	Change
edge-ssr.js gzip	94.4 kB	94.4 kB	N/A
page.js gzip	151 kB	151 kB	N/A
Overall change	0 B	0 B	✓

Middleware size

	vercel/next.js canary	vercel/next.js 02-15-Ensure_Turbopack_writes_font_optimization_manifest	Change
middleware-b..fest.js gzip	625 B	625 B	✓
middleware-r..fest.js gzip	151 B	151 B	✓
middleware.js gzip	44.4 kB	44.4 kB	N/A
edge-runtime..pack.js gzip	1.94 kB	1.94 kB	✓
Overall change	2.72 kB	2.72 kB	✓

Next Runtimes

	vercel/next.js canary	vercel/next.js 02-15-Ensure_Turbopack_writes_font_optimization_manifest	Change
app-page-exp...dev.js gzip	166 kB	166 kB	✓
app-page-exp..prod.js gzip	95.5 kB	95.5 kB	✓
app-page-tur..prod.js gzip	97.3 kB	97.3 kB	✓
app-page-tur..prod.js gzip	91.7 kB	91.7 kB	✓
app-page.run...dev.js gzip	136 kB	136 kB	✓
app-page.run..prod.js gzip	90.3 kB	90.3 kB	✓
app-route-ex...dev.js gzip	22 kB	22 kB	✓
app-route-ex..prod.js gzip	14.9 kB	14.9 kB	✓
app-route-tu..prod.js gzip	14.9 kB	14.9 kB	✓
app-route-tu..prod.js gzip	14.6 kB	14.6 kB	✓
app-route.ru...dev.js gzip	21.7 kB	21.7 kB	✓
app-route.ru..prod.js gzip	14.6 kB	14.6 kB	✓
pages-api-tu..prod.js gzip	9.43 kB	9.43 kB	✓
pages-api.ru...dev.js gzip	9.7 kB	9.7 kB	✓
pages-api.ru..prod.js gzip	9.43 kB	9.43 kB	✓
pages-turbo...prod.js gzip	22 kB	22 kB	✓
pages.runtim...dev.js gzip	22.7 kB	22.7 kB	✓
pages.runtim..prod.js gzip	22 kB	22 kB	✓
server.runti..prod.js gzip	50 kB	50 kB	✓
Overall change	925 kB	925 kB	✓

build cache Overall increase ⚠️

	vercel/next.js canary	vercel/next.js 02-15-Ensure_Turbopack_writes_font_optimization_manifest	Change
0.pack gzip	1.55 MB	1.55 MB	⚠️ +484 B
index.pack gzip	104 kB	104 kB	⚠️ +148 B
Overall change	1.65 MB	1.65 MB	⚠️ +632 B

Diff details

Diff for page.js

Diff too large to display

Diff for middleware.js

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Diff for edge-ssr.js

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Diff for main-HASH.js

Diff too large to display

Commit: c0d0518

[ijjk]

Failing test suites

Commit: c0d0518

pnpm test-start test/e2e/app-dir/navigation/navigation.test.ts (PPR)

• app dir - navigation > query string > should handle unicode search params

Expand output

● app dir - navigation › query string › should handle unicode search params

request.response: Target page, context or browser has been closed

  37 |         const browser = await next.browser('/search-params?name=名')
  38 |         async function requestHandler(req: Request) {
> 39 |           const res = await req.response()
     |                                 ^
  40 |           if (!res) return
  41 |
  42 |           requests.push({

  at response (e2e/app-dir/navigation/navigation.test.ts:39:33)
  at cb (lib/browsers/playwright.ts:234:51)
  at Page.forEach (lib/browsers/playwright.ts:234:35)

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