### What?
In today's implementation, requests that don't end in `.rsc` are getting
the data request query. We need to remove this toggle to prevent them
from 500'ing.
### Why?
The invariant triggered was:
212553958c/packages/next/src/server/base-server.ts (L2838-L2842)
Crawling up the code, the conditional:
212553958c/packages/next/src/server/base-server.ts (L2815)
must be `true`.
The variable `isDataReq` is set here:
212553958c/packages/next/src/server/base-server.ts (L1833-L1839)
This conditional expression is a bit complex, but it simplifies down to:
- `isDataReq` is `true` when (TODO)
- `isDataReq` is `false` when (TODO)
### How?
Closes NEXT-2341
Fixes#61377
Tested manually by:
- Building and packaging this branch locally
- Deploying tarball and then depending on it as the Next.js version for
an example app similar to the one reported by #61377
- Inspecting console for 500 errors.
---------
Co-authored-by: JJ Kasper <jj@jjsweb.site>
Co-authored-by: Zack Tanner <zacktanner@gmail.com>
## Description
We need to manually update the `@capsizecss/metrics` every time it
updates so we get the latest fallback fonts.
## Changes
- https://github.com/vercel/next.js/issues/47115
Closes NEXT-2547
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Hello, I noticed the following code in `link.tsx`.
```
//client/link.tsx
...
onMouseEnter(e) {
...
if (
(!prefetchEnabled || process.env.NODE_ENV === 'development') &&
isAppRouter
) {
return
}
prefetch(
...
)
},
```
It seems that when prefetch={false} is set, prefetch still occurs on
hover for page routers.
However, there is no explanation in the <Link> documentation, which
caused misleading.
I added the explanation inside PageOnly component, could you please
review it?
### What
This PR amends turbopack's behavior to handle some cases of normalized
path (`%5F` starting path), mainly fixes entry lookup works against
original path without normalization, also bends the output path of
client reference manifest matchs to what next.js expects.
Closes PACK-2553
This adds a new span to allow tracking the sum of all client component
loading times for a specific request along with the count of items
loaded.
Closes NEXT-2540
---------
Co-authored-by: Zack Tanner <zacktanner@gmail.com>
## What?
Groups together the scss tests. I'm working on refactoring these to use
`test/e2e` instead as many tests currently only run during builds and we
want to make sure these Sass tests run for Turbopack (which is dev only
currently) to catch bugs.
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Closes NEXT-2536
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### What?
This caused me a ton of issues in production due to inconsistent cache.
It does not manifest itself in local development. The only reason I
figured it out was because I upgraded to the canary release and someone
added a helpful exception explaining that I shouldn't be doing what I
was doing. To hopefully help people in the future, I'm adding a blurb to
the `unstable_cache` docs.
Co-authored-by: Sam Ko <sam@vercel.com>
### What
When a prefetch cache entry becomes "stale", it'll remain stale until
eventually it gets evicted. However during that stale window, the cache
is never revalidated, and so instant navigations stop working and data
is fetched from origin every navigation.
### Why
The `lastUsedTime` entry on the prefetch cache is currently only updated
after the first read. Once it becomes stale, `applyFlightData`'s
recursive functions will see that there is no longer a reusable prefetch
cache entry, and will trigger a lazy fetch of the new data on every
subsequent navigation.
### How
This updates prefetch cache handling to always ensure we’re using a
fresh or reusable prefetch cache entry. This means that stale prefetch
entries will be refreshed on a navigation event. As a result of this,
I’ve had to disable one of our tests that relies on this stale cache
behavior. It’s not ideal that we’re blocked on the loading boundary when
fetching child segment data—ideally we can refactor this to cache the
loading component in the CacheNode and copy it over on navigations,
similar to how ‘head’ is handled. I’ll work on this in a separate PR.
Note: The new client cache test for this is disabled in PPR for the same
reason as the other tests: auto prefetching with PPR navigations is
currently loading fresh data rather than reusing the prefetch cache.
Fixes#58969Fixes#58723
Closes NEXT-1904
### What?
* Verify correctness of externals
* error when packages can't be made external
### Why?
* Resolving to incorrect externals might lead to runtime errors
* Give users hints how to fix these issues
### How?
Closes PACK-2535
---------
Co-authored-by: Tim Neutkens <tim@timneutkens.nl>
### What & Why
This PR helps fixes a long time tree-shaking issue that if you're import
some identifiers from client components, the whole client component is
being included in the client chunk. Because we're using import eager
mode in webpack to include all the client component modules that make
sure they're present in SSR entry and browser entry when they're
transformed to client reference on RSC layer.
But the way we collect client components is a bit "aggressive" where
contains some spaces to optimize.
### How
We change the collected client components from simpliy collecting it
resolved module request, into collecting both the imported identifiers
(by server components) and the module request. And when we inserted the
used client components imports into the SSR and Client entry, leverage
webpack magic comments `"webpackExports"` to only contain the used
exports in the bundle. Thank you webpack for this nice feature : )
Along the way we also fixed an issue that when you only used default
export, the `default` export itself should also be proxied when the
bundle is in ESM.
#### Notice
There's a limitation yet that it can't work with barrel file, if you
have a shared component `index.js` to re-export the changes several
client components there and you only partially import few from
`index.js` it won't work. For the cases that the node_modules package
contain a barrel file importing multiple client components, please use
[optimizePackageImports](https://nextjs.org/docs/app/api-reference/next-config-js/optimizePackageImports)
config for now. We'll have follow up optimizations
### Testing Result
If we compare the `react-aria-components` the reproduction from #60246,
you'll see the result being optimized a lot:
#### After vs Before
134KB being tree-shaked out 🤯
```
Route (app) Size First Load JS
┌ ○ / 324 B 127 kB
├ ○ /_not-found 872 B 86.5 kB
└ ○ /other-page 174 B 127 kB
```
```
Route (app) Size First Load JS
┌ ○ / 325 B 261 kB
├ ○ /_not-found 870 B 86.5 kB
└ ○ /other-page 176 B 261 kB
```
Fixes#60246
Related report: https://github.com/adobe/react-spectrum/issues/5639
Closes NEXT-2527
phase 1 of NEXT-1799
---------
Co-authored-by: Shu Ding <g@shud.in>
### What?
The [create-next-app
documentation](https://nextjs.org/docs/app/api-reference/create-next-app#non-interactive)
under API reference says that;
> Further, you can negate default options by prefixing them with --no-
(e.g., --no-eslint).
When I tried to use --no-import-alias, I thought that it would
automatically use the default alias (@/*), but it does not.
### Why?
Each option has --no prefix control but import-alias has no --no prefix
control to give default value to program.
In an [Interactive](https://nextjs.org/#interactive) approach, the user
can select a prompt; `Would you like to customize the default import
alias (@/*)? No / Yes.` If the user selects no, then the default alias
is applied with @/*.
### How?
Implementing a condition solve the problem for general purpose. If
arguments includes `--no-import-alias` then the importAlias section
automatically apply the default value.
---------
Co-authored-by: JJ Kasper <jj@jjsweb.site>
Co-authored-by: Steven <steven@ceriously.com>
### What?
Adds a new line to the `next info` output:
```diff
Operating System:
Platform: linux
Arch: x64
Version: #18~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Feb 7 11:40:03 UTC 2
+ Available memory (MB): 31795
+ Available CPU cores: 16
Binaries:
Node: 18.18.2
npm: 9.8.1
Yarn: N/A
pnpm: 8.15.1
Relevant Packages:
next: 14.1.1-canary.61 // Latest available version is detected (14.1.1-canary.61).
eslint-config-next: 14.1.1-canary.61
react: 18.2.0
react-dom: 18.2.0
typescript: 5.2.2
Next.js Config:
output: N/A
```
### Why?
This can help in debugging
### How?
Using [`os.totalmem()`](https://nodejs.org/api/os.html#ostotalmem) and
[`os.cpus()`](https://nodejs.org/api/os.html#oscpus)
Closes NEXT-2529
[Slack
thread](https://vercel.slack.com/archives/C046HAU4H7F/p1708359702870269?thread_ts=1708355509.771049&cid=C046HAU4H7F)
### Why?
While developing https://github.com/vercel/next.js/pull/57656, using
`webpack`(which runs `bundle5.js`) gives me the following error:
```
Error: Cannot find module 'next/dist/build/webpack/plugins/terser-webpack-plugin'
Require stack:
- .../node_modules/next/dist/compiled/webpack/bundle5.js
```
### What?
The path to
[terser-webpack-plugin](https://github.com/vercel/next.js/blob/canary/packages/next/src/build/webpack/plugins/terser-webpack-plugin/src/index.ts)
seems to be modified, but the `taskfile.js` for building `bundle5.js`
hasn't been updated since https://github.com/vercel/next.js/pull/29168.
### How?
- Added `src` after the `terser-webpack-plugin` path in `taskfile.js`
- Run `pnpm ncc-compiled` (not sure if this is the right command to
run), built `bundle5.js` only.
---------
Co-authored-by: JJ Kasper <jj@jjsweb.site>
So there are some toBe property's with React-testing-library that when
written shows this error for example: Property 'toBeInTheDocument' does
not exist on type 'JestMatchers<HTMLElement>'. the commit fixes it✅
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Co-authored-by: Sam Ko <sam@vercel.com>
### Why?
We currently use `page` and `pathname` in different places for file
system paths (manifests can be in a different folder to the js entry),
this PR makes more things just use `page` directly instead of going
through `pathname`.
This PR also adds an entry key (similar to the webpack version) uniquely
identifying all entry points (and assets).
Closes PACK-2432
### What?
All the manifest loading logic now lives in the
`TurbopackManifestLoader` class.
We have to pass way fewer arguments around to the functions now.
I've also cleaned up / restructured the arguments of the bigger
functions in `turbopack-utils.ts` and gave some functions better names.
Closes PACK-2520
### What?
An unactionable error is thrown when `headers()`, `cookies()` or other
Dynamic API functions are called outside the render/request context.
This PR clarifies what the user can do to fix the problem.
### Why?
The current error is hard to understand
> Error: Invariant: `cookies` expects to have requestAsyncStorage, none
available.
### How?
I am adding a dedicated error page and rephrasing the error message.
Closes NEXT-2509
This PR adds catch-all matching support to Turbopack. This allows you to
have catch-all parallel slots.
Closes NEXT-2038
Closes PACK-2518
Fixes#59502
---------
Co-authored-by: Zack Tanner <zacktanner@gmail.com>
### What?
Fix one assertion about CSS files emitted by turbopack.
### Why?
Turbopack generates `/_next/static/chunks/2225ce._.css`, which does not
match the regex.
Note that it has `._.css`. The previous assertions match on
`[^.]+\.css`, which does not support two dots in the file name.
I tried `/<link rel="stylesheet" href=".+\.css(\?v=\d+)?"/g`, but it
captured 3 `link` tags at once. So I used `/<link rel="stylesheet"
href="[^<]+\.css(\?v=\d+)?"/g`.
### How?
Closes PACK-2413
### What?
`css-loader` seems to have a linting rule for invalid CSS Modules.
[My Turbopack PR](https://github.com/vercel/turbo/pull/7381) implements
the same rule for `swc_css` and `lightningcss`, and this PR is for
enabling related test suite and updating the jest snapshot.
### Why?
`css-loader` has a similar linting rule.
### How?
Closes PACK-2408
### What?
[1] Add protected page
[2] Add pending state
### Why?
[1] People using incorrect ways to protect pages
[2] No feedback that the login page is doing anything when buttons
clicked
### How?
[1] Redirect user to protected page after successful authentication
[2] Use useFormStatus to determine whether the form is in a pending
state
---------
Co-authored-by: Sam Ko <sam@vercel.com>
