fix(turbopack): respect arrow function targets by fireairforce · Pull Request #97484 · vercel/next.js

fireairforce · 2026-08-18T06:23:06Z

What?

Emit classic functions from async chunk and manifest loaders when the configured browser target does not support arrow functions.
Prevent SWC compression from reintroducing arrow functions for those targets across browser, worker, evaluate, runtime, and Node.js chunks.
Add production regression coverage for generated dynamic-import wrappers and object methods rewritten by the minifier.

Why?

Turbopack already uses the target's arrow-function support for outer chunk factories, but some generated loaders still hardcoded arrow functions. SWC compression could also turn compatible functions and object methods back into arrow functions even when the output target did not support them.

As a result, production output could contain ArrowFunctionExpression nodes that were incompatible with the configured Browserslist target.

How?

Query supports_arrow_functions from the chunking environment when generating loaders and selecting minifier options.
Generate equivalent classic-function callbacks for unsupported targets.
Set SWC's CompressOptions.arrows from the same runtime capability.
Parse emitted static JavaScript in the escheck production test and assert that old-browser output contains no arrow-function AST nodes.

Tests

pnpm build-all
cargo test -p turbopack-ecmascript respects_arrow_function_support
cargo clippy --all-targets -- -D warnings --no-deps
test/production/escheck-output (4/4 passing)

Related to #83799

github-actions · 2026-08-18T07:15:05Z

Failing test suites

Commit: d803640 | About building and testing Next.js

pnpm test-start test/production/next-image-legacy/basic/basic.test.ts (job)

Image Component Tests > Client-side Image Component Tests > should render an image tag (DD)
Image Component Tests > Client-side Image Component Tests > should support passing through arbitrary attributes (DD)
Image Component Tests > Client-side Image Component Tests > should modify src with the loader (DD)
Image Component Tests > Client-side Image Component Tests > should correctly generate src even if preceding slash is included in prop (DD)
Image Component Tests > Client-side Image Component Tests > should add a srcset based on the loader (DD)
Image Component Tests > Client-side Image Component Tests > should add a srcset even with preceding slash in prop (DD)
Image Component Tests > Client-side Image Component Tests > should use imageSizes when width matches, not deviceSizes from next.config.js (DD)
Image Component Tests > Client-side Image Component Tests > should support the unoptimized attribute (DD)
Image Component Tests > Client-side Image Component Tests > should not add a srcset if unoptimized attribute present (DD)
Image Component Tests > Client-side Image Component Tests > should keep auto parameter if already set (DD)
Image Component Tests > Client-side Image Component Tests > should keep width parameter if already set (DD)
Image Component Tests > Client-side Image Component Tests > should keep fit parameter if already set (DD)
Image Component Tests > Client-side Image Component Tests > should only be loaded once if sizes is set (DD)
Image Component Tests > Client-side Image Component Tests > Client-side Errors > Should not log an error when an unregistered host is used in production (DD)
Image Component Tests > SSR Image Component Tests > should render an image tag (DD)
Image Component Tests > SSR Image Component Tests > should support passing through arbitrary attributes (DD)
Image Component Tests > SSR Image Component Tests > should modify src with the loader (DD)
Image Component Tests > SSR Image Component Tests > should correctly generate src even if preceding slash is included in prop (DD)
Image Component Tests > SSR Image Component Tests > should add a srcset based on the loader (DD)
Image Component Tests > SSR Image Component Tests > should add a srcset even with preceding slash in prop (DD)
Image Component Tests > SSR Image Component Tests > should use imageSizes when width matches, not deviceSizes from next.config.js (DD)
Image Component Tests > SSR Image Component Tests > should support the unoptimized attribute (DD)
Image Component Tests > SSR Image Component Tests > should not add a srcset if unoptimized attribute present (DD)
Image Component Tests > SSR Image Component Tests > should keep auto parameter if already set (DD)
Image Component Tests > SSR Image Component Tests > should keep width parameter if already set (DD)
Image Component Tests > SSR Image Component Tests > should keep fit parameter if already set (DD)
Image Component Tests > SSR Image Component Tests > should add a preload tag for a priority image (DD)
Image Component Tests > SSR Image Component Tests > should add a preload tag for a priority image with preceding slash (DD)
Image Component Tests > SSR Image Component Tests > should add a preload tag for a priority image, with arbitrary host (DD)
Image Component Tests > SSR Image Component Tests > should add a preload tag for a priority image, with quality (DD)
Image Component Tests > SSR Image Component Tests > should not create any preload tags higher up the page than CSS preload tags (DD)
Image Component Tests > SSR Image Component Tests > should add data-nimg data attribute based on layout (DD)
Image Component Tests > SSR Image Component Tests > should not pass config to custom loader prop (DD)

Expand output

● Image Component Tests › SSR Image Component Tests › should render an image tag

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should support passing through arbitrary attributes

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should modify src with the loader

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should correctly generate src even if preceding slash is included in prop

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a srcset based on the loader

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a srcset even with preceding slash in prop

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should use imageSizes when width matches, not deviceSizes from next.config.js

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should support the unoptimized attribute

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should not add a srcset if unoptimized attribute present

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should keep auto parameter if already set

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should keep width parameter if already set

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should keep fit parameter if already set

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a preload tag for a priority image

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a preload tag for a priority image with preceding slash

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a preload tag for a priority image, with arbitrary host

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a preload tag for a priority image, with quality

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should not create any preload tags higher up the page than CSS preload tags

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:38089/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add data-nimg data attribute based on layout

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "

... truncated ...

pnpm test-start test/production/next-image-legacy/custom-resolver/custom-resolver.test.ts (job)

Custom Resolver Tests > Client-side Custom Loader Tests > Should use a custom resolver for image URL (DD)
Custom Resolver Tests > Client-side Custom Loader Tests > should add a srcset based on the custom resolver (DD)
Custom Resolver Tests > Client-side Custom Loader Tests > should support the unoptimized attribute (DD)
Custom Resolver Tests > SSR Custom Loader Tests > Should use a custom resolver for image URL (DD)
Custom Resolver Tests > SSR Custom Loader Tests > should add a srcset based on the custom resolver (DD)
Custom Resolver Tests > SSR Custom Loader Tests > should support the unoptimized attribute (DD)

Expand output

● Custom Resolver Tests › SSR Custom Loader Tests › Should use a custom resolver for image URL

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:46273/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/custom-resolver/custom-resolver.test.ts:32:17)

● Custom Resolver Tests › SSR Custom Loader Tests › should add a srcset based on the custom resolver

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:46273/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/custom-resolver/custom-resolver.test.ts:32:17)

● Custom Resolver Tests › SSR Custom Loader Tests › should support the unoptimized attribute

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:46273/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/custom-resolver/custom-resolver.test.ts:32:17)

● Custom Resolver Tests › Client-side Custom Loader Tests › Should use a custom resolver for image URL

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:46273/client-side", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/custom-resolver/custom-resolver.test.ts:40:17)

● Custom Resolver Tests › Client-side Custom Loader Tests › should add a srcset based on the custom resolver

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:46273/client-side", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/custom-resolver/custom-resolver.test.ts:40:17)

● Custom Resolver Tests › Client-side Custom Loader Tests › should support the unoptimized attribute

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:46273/client-side", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/custom-resolver/custom-resolver.test.ts:40:17)

pnpm test-start-turbo test/production/next-image-legacy/basic/basic.test.ts (turbopack) (job)

Image Component Tests > Client-side Image Component Tests > should render an image tag (DD)
Image Component Tests > Client-side Image Component Tests > should support passing through arbitrary attributes (DD)
Image Component Tests > Client-side Image Component Tests > should modify src with the loader (DD)
Image Component Tests > Client-side Image Component Tests > should correctly generate src even if preceding slash is included in prop (DD)
Image Component Tests > Client-side Image Component Tests > should add a srcset based on the loader (DD)
Image Component Tests > Client-side Image Component Tests > should add a srcset even with preceding slash in prop (DD)
Image Component Tests > Client-side Image Component Tests > should use imageSizes when width matches, not deviceSizes from next.config.js (DD)
Image Component Tests > Client-side Image Component Tests > should support the unoptimized attribute (DD)
Image Component Tests > Client-side Image Component Tests > should not add a srcset if unoptimized attribute present (DD)
Image Component Tests > Client-side Image Component Tests > should keep auto parameter if already set (DD)
Image Component Tests > Client-side Image Component Tests > should keep width parameter if already set (DD)
Image Component Tests > Client-side Image Component Tests > should keep fit parameter if already set (DD)
Image Component Tests > Client-side Image Component Tests > should only be loaded once if sizes is set (DD)
Image Component Tests > Client-side Image Component Tests > Client-side Errors > Should not log an error when an unregistered host is used in production (DD)
Image Component Tests > SSR Image Component Tests > should render an image tag (DD)
Image Component Tests > SSR Image Component Tests > should support passing through arbitrary attributes (DD)
Image Component Tests > SSR Image Component Tests > should modify src with the loader (DD)
Image Component Tests > SSR Image Component Tests > should correctly generate src even if preceding slash is included in prop (DD)
Image Component Tests > SSR Image Component Tests > should add a srcset based on the loader (DD)
Image Component Tests > SSR Image Component Tests > should add a srcset even with preceding slash in prop (DD)
Image Component Tests > SSR Image Component Tests > should use imageSizes when width matches, not deviceSizes from next.config.js (DD)
Image Component Tests > SSR Image Component Tests > should support the unoptimized attribute (DD)
Image Component Tests > SSR Image Component Tests > should not add a srcset if unoptimized attribute present (DD)
Image Component Tests > SSR Image Component Tests > should keep auto parameter if already set (DD)
Image Component Tests > SSR Image Component Tests > should keep width parameter if already set (DD)
Image Component Tests > SSR Image Component Tests > should keep fit parameter if already set (DD)
Image Component Tests > SSR Image Component Tests > should add a preload tag for a priority image (DD)
Image Component Tests > SSR Image Component Tests > should add a preload tag for a priority image with preceding slash (DD)
Image Component Tests > SSR Image Component Tests > should add a preload tag for a priority image, with arbitrary host (DD)
Image Component Tests > SSR Image Component Tests > should add a preload tag for a priority image, with quality (DD)
Image Component Tests > SSR Image Component Tests > should not create any preload tags higher up the page than CSS preload tags (DD)
Image Component Tests > SSR Image Component Tests > should add data-nimg data attribute based on layout (DD)
Image Component Tests > SSR Image Component Tests > should not pass config to custom loader prop (DD)

Expand output

● Image Component Tests › SSR Image Component Tests › should render an image tag

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should support passing through arbitrary attributes

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should modify src with the loader

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should correctly generate src even if preceding slash is included in prop

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a srcset based on the loader

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a srcset even with preceding slash in prop

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should use imageSizes when width matches, not deviceSizes from next.config.js

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should support the unoptimized attribute

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should not add a srcset if unoptimized attribute present

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should keep auto parameter if already set

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should keep width parameter if already set

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should keep fit parameter if already set

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a preload tag for a priority image

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a preload tag for a priority image with preceding slash

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a preload tag for a priority image, with arbitrary host

page.goto: Timeout 60000ms exceeded.
Call log:
  - navigating to "http://localhost:39471/", waiting until "load"

  392 |     await opts?.beforePageLoad?.(page)
  393 |
> 394 |     await page.goto(url, { waitUntil: opts?.waitUntil ?? 'load' })
      |                ^
  395 |   }
  396 |
  397 |   back(options?: Parameters<Page['goBack']>[0]) {

  at Playwright.goto (lib/browsers/playwright.ts:394:16)
  at webdriver (lib/next-webdriver.ts:151:3)
  at Object.<anonymous> (production/next-image-legacy/basic/basic.test.ts:292:17)

● Image Component Tests › SSR Image Component Tests › should add a preload tag for a priority image,

... truncated to fit in one GitHub comment ...

github-actions · 2026-08-18T07:21:55Z

Stats from current PR

🟢 2 improvements

Metric	Canary	PR	Change
Turbo Build Time	6.354s	5.794s	🟢 560ms (-9%)
Webpack Warm (First Request)	3.560s	3.370s	🟢 190ms (-5%)

📊 All Metrics

📖 Metrics Glossary

Dev Server Metrics:

Listen = TCP port starts accepting connections
First Request = HTTP server returns successful response
Cold = Fresh build (no cache)
Warm = With cached build artifacts

Build Metrics:

Fresh = Clean build (no .next directory)
Cached = With existing .next directory

Change Thresholds:

Time: Changes < 50ms AND < 10%, OR < 2% are insignificant
Size: Changes < 1KB AND < 1% are insignificant
All other changes are flagged to catch regressions

⚡ Dev Server

Metric	Canary	PR	Change
Cold (Listen)	814ms	813ms	✓
Cold (Ready in log)	811ms	805ms	✓
Cold (First Request)	1.309s	1.297s	✓
Warm (Listen)	813ms	813ms	✓
Warm (Ready in log)	804ms	806ms	✓
Warm (First Request)	1.291s	1.293s	✓

📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric	Canary	PR	Change
Cold (Listen)	823ms	813ms	✓
Cold (Ready in log)	807ms	806ms	✓
Cold (First Request)	3.423s	3.374s	✓
Warm (Listen)	864ms	813ms	✓
Warm (Ready in log)	836ms	804ms	✓
Warm (First Request)	3.560s	3.370s	🟢 190ms (-5%)

⚡ Production Builds

Metric	Canary	PR	Change
Fresh Build	6.354s	5.794s	🟢 560ms (-9%)
Cached Build	3.044s	2.971s	✓

📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric	Canary	PR	Change
Fresh Build	24.908s	24.600s	✓
Cached Build	24.730s	24.726s	✓
node_modules Size	554 MB	554 MB	✓

📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles

	Canary	PR	Change
03w7r9j3lejb_.js gzip	154 B	N/A	-
050icza-xjz0i.js gzip	5.73 kB	N/A	-
07jdby0ue616s.js gzip	450 B	N/A	-
0bjdc8muo74n5.js gzip	8.71 kB	N/A	-
0cz1d0mv5g_q7.js gzip	39.4 kB	39.4 kB	✓
0rci1f3or1a19.js gzip	13.3 kB	N/A	-
1_2x714--ii1i.js gzip	8.76 kB	N/A	-
1-3y752pkth5-.js gzip	10 kB	N/A	-
19gb-1_5udxfb.js gzip	13.2 kB	N/A	-
1cz3ginsmcle0.js gzip	154 B	N/A	-
1elt1qium-r2m.css gzip	115 B	115 B	✓
1tf1phijqlx9j.js gzip	220 B	220 B	✓
1uzabyd1120a1.js gzip	8.71 kB	N/A	-
1x38nkal_v7pc.js gzip	155 B	N/A	-
2_ln1vao-rk0y.js gzip	157 B	N/A	-
2-ufv8lc-g7gg.js gzip	10.6 kB	N/A	-
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28dhc6t85q1_p.js gzip	8.78 kB	N/A	-
2f-ilvczue-tp.js gzip	9.46 kB	N/A	-
2f1u17u5c8iny.js gzip	8.79 kB	N/A	-
2ikltg_8iegxw.js gzip	10.3 kB	N/A	-
2ixp3xn2_vz0r.js gzip	3.57 kB	N/A	-
2jsj5c-k8e_ic.js gzip	167 B	N/A	-
2pflec0m3q9fw.js gzip	154 B	N/A	-
2u-ye52h91kww.js gzip	157 B	N/A	-
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38-q43pzktqhs.js gzip	1.46 kB	N/A	-
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3lh70vgwg4fu0.js gzip	157 B	N/A	-
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443fsfu98ohj2.js gzip	154 B	N/A	-
445s_9hf8o7ao.js gzip	8.76 kB	N/A	-
turbopack-0d..9ejy.js gzip	3.74 kB	3.74 kB	✓
0-6bcj16ji2wf.js gzip	N/A	10.6 kB	-
07fykf3emkal5.js gzip	N/A	160 B	-
07ryk0jced-sc.js gzip	N/A	8.78 kB	-
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08uxqx7bg5dlq.js gzip	N/A	160 B	-
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11zw3t1q0obkt.js gzip	N/A	46.9 kB	-
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Total	401 kB	401 kB	✅ -9 B

Server

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	1.05 kB	1.06 kB	✓
Total	1.05 kB	1.06 kB	⚠️ +1 B

Build Details

Build Manifests

	Canary	PR	Change
_buildManifest.js gzip	879 B	875 B	✓
Total	879 B	875 B	✅ -4 B

Build Cache

	Canary	PR	Change
00000001.sst gzip	16.8 MB	14.2 MB	🟢 2.54 MB (-15%)
00000002.sst gzip	13.5 MB	14.1 MB	🔴 +602 kB (+4%)
00000003.sst gzip	11.5 MB	14.4 MB	🔴 +2.86 MB (+25%)
00000004.sst gzip	13.8 MB	12.9 MB	🟢 928 kB (-7%)
00000005.sst gzip	2.8 MB	10.2 MB	🔴 +7.41 MB (+264%)
00000006.sst gzip	10.2 MB	2.8 MB	🟢 7.44 MB (-73%)
00000007.sst gzip	59 B	59 B	✓
00000008.meta gzip	89 B	89 B	✓
00000009.meta gzip	298 kB	298 kB	✓
00000010.meta gzip	298 kB	298 kB	✓
00000011.meta gzip	298 kB	298 kB	✓
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00000014.sst gzip	59 B	59 B	✓
00000015.meta gzip	116 B	116 B	✓
00000016.meta gzip	328 kB	327 kB	✓
00000017.meta gzip	407 kB	407 kB	✓
00000018.sst gzip	52.8 kB	52.2 kB	🟢 545 B (-1%)
00000019.sst gzip	1.41 MB	1.39 MB	🟢 14.4 kB (-1%)
00000020.sst gzip	59 B	59 B	✓
00000021.meta gzip	116 B	116 B	✓
00000022.meta gzip	328 kB	327 kB	✓
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00000025.sst gzip	1.41 MB	1.39 MB	🟢 14.4 kB (-1%)
00000026.sst gzip	59 B	59 B	✓
00000027.meta gzip	116 B	116 B	✓
00000028.meta gzip	328 kB	327 kB	✓
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00000032.sst gzip	59 B	59 B	✓
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00000034.meta gzip	328 kB	327 kB	✓
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CURRENT gzip	93 B	94 B	🔴 +1 B (+1%)
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Total	80.8 MB	80.6 MB	✅ -147 kB

📦 Webpack

Client

Main Bundles

	Canary	PR	Change
3322-HASH.js gzip	66.1 kB	N/A	-
4191.HASH.js gzip	169 B	N/A	-
7920-HASH.js gzip	4.67 kB	N/A	-
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framework-HASH.js gzip	59.7 kB	59.7 kB	✓
main-app-HASH.js gzip	254 B	253 B	✓
main-HASH.js gzip	40.2 kB	40.2 kB	✓
webpack-HASH.js gzip	1.68 kB	1.68 kB	✓
3577.HASH.js gzip	N/A	168 B	-
578-HASH.js gzip	N/A	66.3 kB	-
8590-HASH.js gzip	N/A	5.61 kB	-
9750-HASH.js gzip	N/A	4.68 kB	-
a8984546-HASH.js gzip	N/A	63.5 kB	-
Total	242 kB	242 kB	⚠️ +67 B

Polyfills

	Canary	PR	Change
polyfills-HASH.js gzip	39.4 kB	39.4 kB	✓
Total	39.4 kB	39.4 kB	✓

Pages

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_app-HASH.js gzip	194 B	193 B	✓
_error-HASH.js gzip	181 B	182 B	✓
css-HASH.js gzip	334 B	331 B	✓
dynamic-HASH.js gzip	1.81 kB	1.81 kB	✓
edge-ssr-HASH.js gzip	255 B	253 B	✓
head-HASH.js gzip	349 B	351 B	✓
hooks-HASH.js gzip	382 B	384 B	✓
image-HASH.js gzip	581 B	582 B	✓
index-HASH.js gzip	260 B	259 B	✓
link-HASH.js gzip	2.48 kB	2.48 kB	✓
routerDirect..HASH.js gzip	317 B	318 B	✓
script-HASH.js gzip	384 B	386 B	✓
withRouter-HASH.js gzip	316 B	315 B	✓
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Total	7.95 kB	7.96 kB	⚠️ +4 B

Server

Edge SSR

	Canary	PR	Change
edge-ssr.js gzip	129 kB	129 kB	✓
page.js gzip	294 kB	294 kB	✓
Total	424 kB	423 kB	✅ -890 B

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	618 B	616 B	✓
middleware-r..fest.js gzip	156 B	156 B	✓
middleware.js gzip	46.1 kB	45.9 kB	✓
edge-runtime..pack.js gzip	842 B	842 B	✓
Total	47.7 kB	47.5 kB	✅ -213 B

Build Details

Build Manifests

	Canary	PR	Change
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Total	717 B	718 B	⚠️ +1 B

Build Cache

	Canary	PR	Change
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index.pack gzip	124 kB	123 kB	🟢 1.39 kB (-1%)
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Total	5.08 MB	5.07 MB	✅ -7.69 kB

🔄 Shared (bundler-independent)

Runtimes

	Canary	PR	Change
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app-page-exp..prod.js gzip	207 kB	207 kB	✓
app-page-tur...dev.js gzip	375 kB	375 kB	✓
app-page-tur..prod.js gzip	206 kB	206 kB	✓
app-page-tur...dev.js gzip	372 kB	372 kB	✓
app-page-tur..prod.js gzip	204 kB	204 kB	✓
app-page.run...dev.js gzip	372 kB	372 kB	✓
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app-route-ex...dev.js gzip	83.2 kB	83.2 kB	✓
app-route-ex..prod.js gzip	56.2 kB	56.2 kB	✓
app-route-tu...dev.js gzip	83.2 kB	83.2 kB	✓
app-route-tu..prod.js gzip	56.2 kB	56.2 kB	✓
app-route-tu...dev.js gzip	82.8 kB	82.8 kB	✓
app-route-tu..prod.js gzip	56 kB	56 kB	✓
app-route.ru...dev.js gzip	82.8 kB	82.8 kB	✓
app-route.ru..prod.js gzip	55.9 kB	55.9 kB	✓
dev-validati...dev.js gzip	134 kB	134 kB	✓
dev-validati...dev.js gzip	134 kB	134 kB	✓
dev-validati...dev.js gzip	132 kB	132 kB	✓
dev-validati...dev.js gzip	132 kB	132 kB	✓
dist_client_...dev.js gzip	324 B	324 B	✓
dist_client_...dev.js gzip	326 B	326 B	✓
dist_client_...dev.js gzip	318 B	318 B	✓
dist_client_...dev.js gzip	317 B	317 B	✓
pages-api-tu...dev.js gzip	46.5 kB	46.5 kB	✓
pages-api-tu..prod.js gzip	34.7 kB	34.7 kB	✓
pages-api.ru...dev.js gzip	46.5 kB	46.5 kB	✓
pages-api.ru..prod.js gzip	34.7 kB	34.7 kB	✓
pages-turbo....dev.js gzip	55.3 kB	55.3 kB	✓
pages-turbo...prod.js gzip	40.2 kB	40.2 kB	✓
pages.runtim...dev.js gzip	55.3 kB	55.3 kB	✓
pages.runtim..prod.js gzip	40.2 kB	40.2 kB	✓
server.runti..prod.js gzip	66.6 kB	66.6 kB	✓
use-cache-pr...dev.js gzip	72.7 kB	72.7 kB	✓
use-cache-pr...dev.js gzip	72.7 kB	72.7 kB	✓
use-cache-pr...dev.js gzip	70.9 kB	70.9 kB	✓
use-cache-pr...dev.js gzip	70.9 kB	70.9 kB	✓
Total	4.11 MB	4.11 MB	✓

📎 Tarball URL

https://vercel-packages.vercel.app/next/commits/d80364030e2c2b7b614b7d7fdafd8da55771b23a/next

Commit: d803640

mischnic · 2026-08-18T07:31:10Z

 import { execSync } from 'child_process'
+import { readFileSync, readdirSync } from 'fs'
+import { join } from 'path'
+import { parse } from 'acorn'


This fails with

next:typescript: //:typescript: test/production/escheck-output/index.test.ts(5,23): error TS2307: Cannot find module 'acorn' or its corresponding type declarations. //:typescript: ELIFECYCLE Command failed with exit code 2. next:typescript: ELIFECYCLE Command failed.

And doesn't escheck already cover this?

sorry i miss this, updated and fixed.

fix(turbopack): respect arrow function targets

0f44937

fireairforce marked this pull request as ready for review August 18, 2026 06:39

mischnic reviewed Aug 18, 2026

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fireairforce mentioned this pull request Aug 18, 2026

fix(pack): respect arrow function targets utooland/utoo#3307

Merged

test(turbopack): fix arrow syntax check typing

d803640

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fix(turbopack): respect arrow function targets - #97484

fix(turbopack): respect arrow function targets#97484
fireairforce wants to merge 2 commits into
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