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## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see
[`contributing.md`](https://github.com/vercel/next.js/blob/canary/contributing.md)
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ]
[e2e](https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs)
tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see
[`contributing.md`](https://github.com/vercel/next.js/blob/canary/contributing.md)
## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
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This PR is companion to https://github.com/vercel/next.js/pull/42656.
Previous PR https://github.com/vercel/next.js/pull/41908 allowed to set up integration / e2e tests spawn `next dev` with `--turbo` as needed. This PR leverages those, change all the tests suites to run with `--turbo`. One additional change is it can be configured dynamically via env variable. Setting env `__INTERNAL_NEXT_DEV_TEST_TURBO_GLOB_MATCH` to glob pattern will selectively enables tests to run with --turbo, normally it'll skip and only current devserver will be used.
These changes allow gradual integration between https://github.com/vercel/turbo to next.js. Plan is to run these tests with latest turbopack dev branch. Each time turbopack fixes / implements changes to enable certain set of tests, its CI will change its env variable without manually patching next.js's test cases. Once those change goes to upstream `next-swc` those tests can be permanantly enabled.
For those reasons, PR have somewhat verbose changes to touch individual test cases runs devserver. Changed file counts are lot, but mostly identical changes.
## Bug
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## Feature
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- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
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- [ ] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
The edge runtime should all use esm assets to keep the hooks and the react context are matched
Fixes: #43080
The issue is caused by the app router context and server inserted html context are not aligned. One side is using esm and other side is using the cjs asset.
## Bug
- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see [`contributing.md`](https://github.com/vercel/next.js/blob/canary/contributing.md)
In #41548, I show that I would like to provide an object with images in
getStaticProps. The StaticImageData is parsed correctly and provided as
a prop to the page. Nonetheless, the image is not available in the
static directory. Therefore the image is not shown. This is also
addressed in issue #29571. The underlying cause is that the import of
the image is removed from the client bundle and only present in the
server bundle.
Evaluating the next-image-loader shows that the file is only placed in
the static directory if emitted from the client bundle by firing
this.emitFile. By changing this to only emitting the file from the
serverside bundle in the webpackloader, static images loaded in the
getStaticProps are made available properly as well as images directly
used in componts (so present in server and client bundle).
This would PR would prevent the circumventing solution which enforces
that the StaticImageData should be present in the client side bundle
while it will also be present in the staticprops.
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## Bug
- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
Closes#42783, Fixes#42443
Co-authored-by: Diederik <diederik@digitalpatrol.nl>
These aliases are needed by default (removed in
b0f87fbc7c)
because when transpiling external packages specified via `file:./` in
package.json, these external packages might not have `react` in their
dependencies and the package manager might not move or link them into
the current project's node_modules. In these cases, `react` can't be
resolved unless we alias it.
Related discussions can be found in
https://github.com/vercel/next.js/discussions/42136. This PR fixes the
test case
2f0b38197c/src/__tests__/__files__/pages/test-local-typescript-module.tsx.
## Bug
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## Feature
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## Documentation / Examples
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When creating the client entries, the `src/` prefix shouldn't be included in the entrypoint's name. Closes#42874.
## Bug
- [x] Related issues linked using `fixes #number`
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## Feature
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- [ ] Related issues linked using `fixes #number`
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## Documentation / Examples
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Fixes#41995Closes#43144
## Bug
- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
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Co-authored-by: Bruno Nascimento <bruno.hn@icloud.com>
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When using custom document and importing from `next/document`,
`HtmlContext` instance will mismatch due to CJS version of
`next/document` is consumed. Gotta alias it to the ESM version for edge
runtime
## Bug
- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
Follow-up to https://github.com/vercel/next.js/pull/43103 this adds the
ignores to the `next-server` trace as well since it may be needed for
some cases as well.
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
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- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
This allows filtering out known traces that should be ignored even if
`node-file-trace` detects them as being potentially used.
x-ref: [slack
thread](https://vercel.slack.com/archives/C03S8ED1DKM/p1668761350086149)
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
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- [ ] The "examples guidelines" are followed from [our contributing
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This adds a new `experimental.middlewarePrefetch` config with two modes
with the default being the `flexible` config.
- `strict` only prefetches when the `href` explicitly matches an SSG
route (won't prefetch for middleware rewrite usage unless manual
`href`/`as` values are used)
- `flexible` always prefetches ensuring middleware rewrite usage is
handled and also prevents executing SSR routes during prefetch to avoid
unexpected invocations
x-ref: https://github.com/vercel/next.js/pull/39920
x-ref: [slack
thread](https://vercel.slack.com/archives/C047HMFN58X/p1668473101696689?thread_ts=1667856323.709179&cid=C047HMFN58X)
## Bug
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## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
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- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
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## Summary
In `appDir`, currerntly `generateStaticParams` must be an `async`
function, even if no data fetching or asynchronous operations are
involved. For example, with this
```ts
// app/[slug]/page.tsx
export async function generateStaticParams() {
return [{ slug: "Hello" }];
}
```
if I remove the `async` keyword, `next build` type checking will fail
with a rather unclear error message
```
Type error: Page "app/[slug]/page.tsx" does not match the required types of a Next.js Page.
```
However `next dev` still works fine, and after applying the type change
in this PR, `next build` and `next start` will also work fine.
Considering that `getStaticPaths` can be synchronous, this requirement
of `async` is pretty confusing. Many people have reported this type
error for not marking `generateStaticParams` as `async` (me included).
This PR lifts the restriction and allows `generateStaticParams` to be
synchronous. (If it's intentional that `generateStaticParams` must be
asynchronous, feel free to close this PR, but I don't think that
restriction is a good idea...)
Since I cannot find any test cases on the type checking process, I'm a
bit unsure in how to write a test case for this... or if a test case is
even necessary at all.
## Bug
- [ ] Related issues linked using `fixes #number`
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## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
When building (`next/build/index.ts`) files ending with `page.js` got
picked up by the RegEx which meant files like `not-a-page.js` ended up
as a page. This change makes sure the segment actually starts with
`page`.
Dev had the same issue and also missed taking `pageExtensions` into
account.
Fixes#42972
## Bug
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
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- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
fixes#42964
## Bug
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- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
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- [ ] The "examples guidelines" are followed from [our contributing
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
Co-authored-by: Bryce Kalow <br.kalow@gmail.com>
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This PR exposes internal injection point to specify custom binary /
bindings for the turbopack. It doesn't affect any existing native
bindings (swc), but only allows to run custom turbopack
(`turbo.startDev`) if specified.
The changes are mostly for the internal dev / testing iteration purpose.
Currently, the workflow to test new turbopack changes in next.js is
- update next-swc's cargo to point to specific changes in turbopack
- rebuild, specify next.js to use local binary
This requires additional build times (turbopack build cannot be used,
have to rebuild next-swc napi bindings) as well as if we'd like to try
some changes on the CI between next.js canary + latest turbopack,
integration gets bit tricky. 2 env variable is exposed for the purpose -
`__INTERNAL_CUSTOM_TURBOPACK_BINARY` stands for the executable binary
(next-dev) can be built in turbopack,
`__INTERNAL_CUSTOM_TURBOPACK_BINDINGS` stands for the custom napi
bindings if needed. Both are strictly internal as name implies. There
won't be any documentation, no semver guarantee or else. Current plan is
to execute some subset of next.js test on turbopack PRs with these
entrypoints.
Feature / security wise these are mostly harmless I believe - this is
devserver usually don't run on CI, and trying to print out warning if
flag is enabled.
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
Co-authored-by: JJ Kasper <jj@jjsweb.site>
Ensures we keep track of page counts during builds.
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
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- [ ] The "examples guidelines" are followed from [our contributing
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Should be able to resolve `exports.import` condition for esm packages only when import them in server components
Fixes: #42534
## Bug
- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
This PR aims to add support for the `importMap` option for `emotion`. It's already supported by `swc_emotion`.
Fixes https://github.com/vercel/next.js/issues/41646.
## Feature
- [x] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [x] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [x] Documentation added
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- [ ] Errors have a helpful link attached, see `contributing.md`
This PR adds a basic test case to ensure Next.js and Edge Runtime
changes don't break the image generation feature, as well as record the
usage.
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Documentation added
- [x] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
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One potential risk is ESM dependencies that can't be bundled will cause
a build error. This also means that the `esmExternals` configuration
will be affected.
Closes#42249, closes#42588. Related: #1395.
## Bug
- [ ] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
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Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
Cases like `next/link` and `next/router` imports are not alias since
they're not matching the existing alias pattern setting for edge
runtime, which causes router-context being bundled twice (both with cjs
and esm) into edge worker bundle.
so we resolve their paths and alias them to esm bundle for webpack
bundling.
Other minor changes:
* update `require` calls to `import` expressions in edge ssr loaders
* remove client layer for apps without `appDir` enabled
* export `type` for ts typings in next/image to avoid alias to break
resolving
## Bug
- [ ] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
Fixes#42534
* Use eager `import()` to load page/layout to avoid esm module resolution error, eager is to make sure all the sub resources like css are also included
* Fix layer detection, should use `module.layer` directly since `module.resourceResolveData` is not alway presented. It lost when switching from `require()` to `import()` for page/layout component
## Bug
- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
This ensures the webpack cache is updated when toggling between `appDir:
true/false`.
## Bug
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- [ ] Integration tests added
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## Feature
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feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
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- [ ] The "examples guidelines" are followed from [our contributing
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This PR fixes (and simplifies) CSS loader rules, major things fixed with
this PR:
- (Tests added) Even if `appDir` isn't enabled, CSS/SASS/CSSM/SASSM
should still be transpiled for packages in node_modules, configured via
`transpilePackages`.
- They should be transpiled from other packages in the same monorepo
(not inside node_modules).
## Bug
- [ ] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
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## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
Similar to https://github.com/vercel/next.js/pull/42106. Make
`@next/font` works as expected when using `transpilePackages`.
Also makes sure `@next/font` is auto-configured correctly when in a
monorepo.
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
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## Documentation / Examples
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- [ ] The "examples guidelines" are followed from [our contributing
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
If `@next/font/google` fails to fetch the font in DEV, return the
fallback font instead of throwing so you still can run the app. In build
it still throws.
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
x-ref: [slack
thread](https://vercel.slack.com/archives/C01224Q5M99/p1667927545637489?thread_ts=1664536480.045539&cid=C01224Q5M99)
x-ref: https://github.com/vercel/vercel/pull/8873
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
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## Documentation / Examples
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This PR adds a `--no-mangling` option to `next build` and fixes the `--profile` option so that you can use the React profiling build on production.
The advantage of disabling only mangling versus disabling minification altogether is that we still run terser and still benefit from DCE with this approach, so the `--no-mangling` does not impact performance as much.
## Bug
- [ ] Related issues linked using `fixes #number`
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## Feature
- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
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- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
This PR ensures that in app dir, styles imported in loading.js,
error.js, not-found.js, and template.js are properly handled and
rendered together with these components.
## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
Co-authored-by: Tim Neutkens <tim@timneutkens.nl>
`globalThis` is available since node12 which becomes a preferrence
rather than `global`. Besides, in the client components like
`next/image` or async hooks we should prefer to use `globalThis` since
`global` isn't available in browser
Removes the `_` prefix from the RSC and Router headers as nginx strips
`_` prefixed headers by default.
Fixes#42164
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## Bug
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
## Feature
- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have a helpful link attached, see `contributing.md`
## Documentation / Examples
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Check whether SWC is used or not by checking "useSWCLoader" variable, not by checking "babelConfigFile".
Since we can bypass babel config file by turning on experimental.forceSwcTransforms, we should not check babel by its config file.
Co-authored-by: JJ Kasper <22380829+ijjk@users.noreply.github.com>
Fixes#42517
Not sure if it warrants a test case, but let me know if I should add one.
## Bug
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## Documentation / Examples
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Improvement to how the `app` and `pages` files conflict is shown.
Especially the last log line `"pages/" - "app/"` made it seem like you
should remove the `pages` folder altogether. This was a bug in how the
`''` case was displayed. After having a look at this I went further and
added exactly which file caused the conflict given that `app` allows you
to create `app/(home)/page.js` and such it saves some digging for what
the actual conflicting file is. Similarly in `pages` both
`pages/dashboard/index.js` and `pages/dashboard.js` are possible.
Before:
```
error - Conflicting app and page files were found, please remove the conflicting files to continue:
error - "pages/another" - "app/another"
error - "pages/hello" - "app/hello"
error - "pages/" - "app/"
```
After:
```
error - Conflicting app and page files were found, please remove the conflicting files to continue:
error - "pages/another.js" - "app/another/page.js"
error - "pages/index.js" - "app/page.js"
error - "pages/hello.js" - "app/hello/page.js"
```
## Bug
- [ ] Related issues linked using `fixes #number`
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## Feature
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PR.
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## Documentation / Examples
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
Mock `@next/font` when using `next/jest`.
fixes#42379
## Bug
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## Documentation / Examples
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In Windows absolute paths start with things like `C:\` instead of `/`.
This PR closes#42024 as I confirmed the reproduction app is working
properly with this fix.
## Bug
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## Feature
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## Documentation / Examples
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This PR fixes the bug reported by @hanneslund (reproduction:
https://github.com/hanneslund/css-mod-import-test).
There can be multiple modules with the same resource, some of them can
be created via plugins (extracted by the mini-css plugin) and some can
be directly transformed via loaders (e.g. the CSS modules loader). In
these cases, we need to merge the resources generated by all of them.
## Bug
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## Documentation / Examples
- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
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This PR implements a configuration option in `next.config.js` to support
for rust-based MDX compiler (https://github.com/wooorm/mdxjs-rs).
Currently it is marked as experimental, as mdx-rs and loader both may
need some iteration to fix regressions.
When a new experimental flag is set (`mdxRs: true`), instead of using
`@mdx/js` loader `next/mdx` loads a new webpack loader instead.
Internally, it mostly mimics mdx/js's loader behavior, however actual
compilation will be delegated into next/swc's binding to call mdx-rs's
compiler instead.
I choose to use next-swc to expose its binding function, as mdx-rs
internally uses swc already and creating new binary can double up
bytesize (with all the complex processes of publishing new package).
## Bug
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## Feature
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- [ ] Related issues linked using `fixes #number`
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## Documentation / Examples
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Fixes#41673
Updates the wasm `AssetBinding` filePath to be the fully qualified path during build so the files can get loaded.
## Bug
- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [x] Errors have a helpful link attached, see `contributing.md`
## Feature
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- [ ] Related issues linked using `fixes #number`
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## Documentation / Examples
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Use the name of the assigned const as the family name instead of trying
to get it from the font file. That way we know we won't get any invalid
characters in the font-family name.
fixes#42264
## Bug
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## Feature
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## Documentation / Examples
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
Follow-up to https://github.com/vercel/next.js/pull/42255
## Bug
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## Documentation / Examples
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Closes#42010.
## Bug
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## Feature
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## Documentation / Examples
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- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
