JJ Kasper

icon indicating a website link https://jjsweb.site icon indicating an email [email protected]

icon company @Vercel icon location San Francisco, CA icon location Software Engineer at Vercel. Maintainer of Next.js

Results 996 comments of JJ Kasper

og-image doesn't work with output file tracing

Hi, in the latest version of Next.js `v13.0.2` this is no longer a fatal error and will not block the build. We will investigate further why this file lookup is...

Invariant: attempted to hard navigate to the same URL (Rewrites inside next.config.mjs)

Hi, it looks like the above reproduction is 404ing, please update it so we can take a look!

Bundle `@next/codemod` with ncc

# Stats from current PR Default Build (Increase detected ⚠️) General Overall increase ⚠️ | | vercel/next.js canary | vercel/next.js next-codemod-bundle-with-ncc | Change | | - | - | -...

Bundle `@next/codemod` with ncc

## Failing test suites Commit: a1559b4177f36b3922d8e00266b0e17ed9b74c13 `pnpm testheadless test/development/acceptance-app/ReactRefreshLogBox.test.ts` - ReactRefreshLogBox app > render error not shown right after syntax error Expand output ● ReactRefreshLogBox app › render error not...

Improve the error message when custom export fields are used in an entry

# Stats from current PR Default Build (Increase detected ⚠️) General Overall increase ⚠️ | | vercel/next.js canary | vercel/next.js shu/vnum | Change | | - | - | -...

Improve the error message when custom export fields are used in an entry

## Failing test suites Commit: d1ea31756357e70e60baf3b5792a8458eb929c2a `pnpm testheadless test/development/acceptance-app/ReactRefreshLogBox.test.ts` - ReactRefreshLogBox app > logbox: can recover from a syntax error without losing state Expand output ● ReactRefreshLogBox app › logbox:...

Update run-tests script

# Stats from current PR Default Build (Increase detected ⚠️) General Overall decrease ✓ | | vercel/next.js canary | ijjk/next.js tests/update-retry | Change | | - | - | -...

Update run-tests script

## Failing test suites Commit: d8968443132901a497be4c6843cfb1068858fe58 `pnpm testheadless test/e2e/app-dir/index.test.ts` - app dir > client components > hooks > from pages > should have the correct hooks - app dir >...

[Next.js 13][Routing][Pre-fetching] Dynamic route fails to pre-fetch (404)

Hi, this should be corrected now, please re-deploy your project and give it a try!

Aggregate updates using `addStatusHandler` and `Promise.resolve` instead of `setTimeout`

## Failing test suites Commit: 638c944ddc443bfb85cc677ef4a6bf8dcd89d8dc `pnpm testheadless test/e2e/app-dir/app-edge.test.ts` - app-dir edge SSR > should handle edge only routes Expand output ● app-dir edge SSR › should handle edge only...