## Feature
NEXT-54
When there's an error in the one of the root level pages, there's no way to handle it. The team discussed this and decided there should be a global error boundary to pick up anything not handled further down in the tree. It can be called `global-error.js`.
Co-authored-by: Tim Neutkens <6324199+timneutkens@users.noreply.github.com>
Co-authored-by: Jiachi Liu <inbox@huozhi.im>
This should solve the problem that CSS hash happens before PostCSS
loaders.
## 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
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
Co-authored-by: Jiachi Liu <inbox@huozhi.im>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
Fixes#43854 , followup for #44011. Normalize the bundlePath so it works
in all cases
## 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)
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Fixes [#43367
(comment)](https://github.com/vercel/next.js/issues/43367#issuecomment-1338617317)
This fixes the issue in which pages that are in Route Groups return
status code 500 when built with `output: "standalone"` because of the
lack of required chunks in `.next/standalone/.next/server/chunks` by
handling their `.nft.json` files properly through using their
denormalized page paths, rather than their normalized ones to resolve
those files in `copyTracedFiles`.
## Bug
- [x] 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
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
This PR doesn't change any behavior, its just refactoring.
- renamed `webpack/loaders/next-image-loader.js` to `.ts`
- moved duplicate code into shared function `optimizeImage()`
- support `height` as optional param
- convert `extension` to `contentType`
This will reduce the bundle size and also give user proper hint to upgrade to `head.js`
* Mark `next/head` as noop in app dir
* Add warning for users to check the upgration guide to migrate it to head.js
This PR fixes two memory leaks I found debugging with @sokra.
## 1) Leak in `next-server.ts`
The first leak was caused by the fact that the `require.cache` associated to the `next-server` module was not being cleared up properly, so we leaked context from modules required in that page, like API routes.
## 2) Leak with React Fetch
When evaluating a route, we also evaluated the `react.shared-subset.development.js` module where React patches the `fetch` function. The problem is that when re-evaluating a route as part of hot reloading, we were patching over the previously patched `fetch` function.
The result of this operation meant that we were keeping a reference to the context of the previous `fetch` and thus to the previous route context, thus creating a memory leak, since we only needed the new context.
## Test plan
Checked manually the heap snapshots of a test app.
## 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 doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
### Summary
Migrate `next/dynamic` to implementation based on `React.lazy` and
`Suspense`. Then it becomes easier to migrate the existing code in pages
to layouts. Then we can support both `ssr` and `loading` option for
`next/dynamic`.
For `loading` option, it will work like `Suspense`'s `fallback` property
```js
<Suspense fallback={loading}>
<DynamicComponent />
</Suspense>
```
For `ssr` option, by default `React.lazy` supports SSR, but we'll
disable the `ssr: false` case for dynamic import in server components
since there's no client side involved.
Then we don't need `suspense` option anymore as react >= 18 is always
required. Mark it as deprecated.
It also supports to load client component dynamically in server
components now.
#### Code code changes
* switch loadable component to `lazy` + `Suspense`
* will make sure it's retuning a module from `loader()` to
`loader().then(mod => ({ default: mod.default || mod }))` since `lazy()`
only accepts loader returning a module
* Inside suspense boundary, throwing an error for ssr: false, catch the
error on server and client side and ignore it.
* Ignore options like ssr: false for server components since they're on
server, doesn't make sense
* Remove legacy dynamic related transform
#### Feature changes
* `next/dynamic` will work in the same way across the board (appDir and
pages)
* For the throwing error, will make it become a API that throws error
later in the future, so users can customize more with `Suspense`
* You can load client components now in server components with dynamic.
Resolves#43147
#### Tests
* existing dynamic tests all work
* add case: import client component and load through next/dynamic in
server components
### Issues
This is one of the required changes to refactor bundling strategy for
pages and app.
## 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)
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In #42987 we added support for `transpilePackages` in `next/jest`, but
the pattern is not functioning how we would expect here, and as a result
all modules from `node_modules` are getting transformed. File patterns
that should not be transformed should match, but due to the trailing
`/`, no packages are matching.
Currently (no match, incorrectly gets transformed):
https://regexr.com/73fvo
With this fix (matches, correctly does not get transformed):
https://regexr.com/73fvr
As far as I can tell, the `pnpm` pattern is being generated correctly.
@balazsorban44 I wasn't sure the best way to test this one, let me know
if you've got an idea. 🙏
## 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
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
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## Bug
- [x] 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
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
fixes: #41395fixes: #42751.
This PR is a follow-up PR of [PR
43304](https://github.com/vercel/next.js/pull/43304).
This fix works by checking if the page is listed in
middleware-manifest.json's functions, if true then skip the
handleTraceFiles process. This also fixes the two issues aforementioned
by copying files listed in middleware-manifest.json for those pages.
Co-authored-by: JJ Kasper <jj@jjsweb.site>
Related to the build failure from #41931
We need to bundle `next/head` so that it can appear in the
flight-client-manifest, so we changed the behavior to not treat it as
non externals.
## 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)
Currently the generated matcher will be `"regexp": "^\(group\)/group$"` for groups which doesn't match the correct route. This is somehow related to #43458, but it only fixes the problem partially. Some other changes need to be made in the build process.
## Bug
- [ ] 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)
## 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 doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
This PR adds proper cleanup step for ~`edgeServerModuleIds`,
`serverModuleIds` and~ `flightCSSManifest`, which was previously
missing. Otherwise it will grow indefinitely during development.
## 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
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
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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
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
This reverts a part of the changes made in [PR
43268](https://github.com/vercel/next.js/pull/43268), which is checking
whether pagesDir exists in the root/src dir before copying the output in
.next/server to .next/standalone/.next/server as this causes certain
pages to cause the script to log `Error: Cannot find module
'.next/server/pages/_document.js'` and return a `Internal Server Error`
page since Next today still depends on pages/ dir for 404 and 500 pages
and as such needs that dir in .next/standalone/.next/server.
Previously we stopped transform css-in-js libraries for RSC server layer because it's not encouraged to use them in server components but client components for saving the bytes of RSC payload.
We can detect styled-jsx usage on RSC server layer and error with `client-only` condition, but since it was not transformed properly so it's not erroring properly.
In the future, once styled-components and emotion have `client-only` depepdency integrated so we can re-enable the transform for them on server layer
## Bug
- [ ] 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)
On Windows `cunkGroup.name` is `app\layout` rather than `app/layout`. This causes it to get the wrong chunks in `flight-manifest.json` for `next/script` in this case:
```json
"chunks": ["webpack:webpack", "amp:amp"],
```
After checking for backslash:
```json
"chunks":["app\\layout:app\\layout"],
```
fixes#42519
## 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 doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
The server and client compilers have different external dependency resolution logic. The server prefers CJS while the client prefers ESM by default. This causes an issue when that dependency is a client component entry. We get the module reference during RSC render, which is the CJS file path. And that module reference can't be located in the flight manifest as it was generated via the client compiler (has the ESM path).
This PR changes the entry creation logic to use resolved requests, instead of the raw requests. So both SSR and client will have the same resolved import paths to ensure the module reference consistency.
## Bug
- [ ] 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)
## 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 doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
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## Bug
- [x] 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
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
fixes#39275 and related issues like #39858 and hopefully #41395 (can't
test because `pnpm next-with-deps build ./dev-app` keeps crashing on
`Collecting page data...` - `useContext` seems to be null, and even
without the changes it still crashes).
This works by checking if the file is an edge function in Next.js's
Webpack plugin `TraceEntryPointsPlugin`, if true then output the nft
file to the output path, if not move up a folder like previously. I
tried changing Webpack config's output.path from `path: !dev &&
isNodeServer ? path.join(outputPath, 'chunks') : outputPath` to `path:
!dev && (isNodeServer || isEdgeServer) ? path.join(outputPath, 'chunks')
: outputPath`, but it just causes the build script to crash because
files like middleware-manifest.json are output to outputPath/chunks
instead of the expected outputPath. So I find this to be the better
solution.
Co-authored-by: JJ Kasper <jj@jjsweb.site>
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Fixes: https://github.com/vercel/next.js/issues/42812
Fixes: https://github.com/vercel/next.js/issues/43037
## 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)
## 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
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
This PR fixes the issue in which urls from appDir will always not be
found in production when built with `"output": "standalone"` by copying
.next/server/app and .next/server/app-paths-manifest.json into
.next/standalone/server.
Co-authored-by: JJ Kasper <jj@jjsweb.site>
This PR improves the RSC plugin for SWC to throw an error when the `"use
client"` directive is in the top level, but not before other statements
/ expressions. For example:
Code:
```js
import 'react'
'use client'
```
Error:
```
The "use client" directive must be placed before other expressions. Move it to the top of the file to resolve this issue.
,----
3 | 'use client'
: ^^^^^^^^^^^^
`----
```
## 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: JJ Kasper <jj@jjsweb.site>
Use `WellKnownErrorsPlugin` when formatting `@next/font` errors.
The error handling is different for expected errors (like validation
errors) and unknown ones. If the error is expected it just displays the
formatted error message. If it's an unknown error it will also display
the stacktrace, and in case the versions of `@next/font` and `next` are
different it will encourage you to try to update them both.
Removes the usage of `error-loader` when importing from
`pages/_document.js`, handle that case with `WellKnownErrorsPlugin` as
well.
The current warning when using different versions is removed. If the
versions are incompatible you'll get an error in the overlay instead.
## 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
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
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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
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
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
- [ ] 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)
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
- [ ] 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)
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`
- [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
- [ ] 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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- [ ] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
Fixes#41995Closes#43144
## Bug
- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see `contributing.md`
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
- [ ] 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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- [ ] 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`
- [ ] 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
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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
- [ ] 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)
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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`
- [ ] 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)
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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- [ ] 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)
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
- [ ] 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: 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
- [ ] 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)
