arrow function was trying to use arguments binding but wanted arguments
of the lambda not the nearest normal function. The narrowest change is
to convert to function expression. We could also use varargs rest syntax
since this runs in runtimes that should all support that I think. I
don't think it really matters though.
## Bug
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## Documentation / Examples
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As @timneutkens pointed out [here](https://github.com/vercel/next.js/pull/43819#discussion_r1042408158), changing the key will make Flight's module cache grow indefinitely. While I've thought about updating Flight's logic to clean the cache at some point, but that's tricky to do correctly as everything is asynchronous and we have to trigger clean up from outside (Webpack).
So currently, a better way I can think of is to just give Flight a proxied object as `moduleExports`. Even if Flight is getting the same object from cache, it will always require the latest module from Webpack.
## 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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## Documentation / Examples
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### 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
Do not directly import app-render into base-server since base-server is
shared module for both nodejs SSR and edge SSR.
Co-authored-by: JJ Kasper <jj@jjsweb.site>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
As discussed [here](https://vercel.slack.com/archives/C035J346QQL/p1668425692084449), we don't need the timestamp for CSS resources in the app dir for now as we are not preloading them. Manually tested with Safari and added corresponding e2e tests.
Closes#42862.
## Bug
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## Feature
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## Documentation / Examples
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The fix in #42793 added an unnecessary step by returning a new async function when the result is a promise. We only have to make sure we don't get an unhandledRejection error if the promise rejects, React takes care of getting the data from the promise.
Ref: [slack thread](https://vercel.slack.com/archives/C035J346QQL/p1668528003500329?thread_ts=1668434306.364449&cid=C035J346QQL)
## Bug
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## Feature
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## Documentation / Examples
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Fix: https://github.com/vercel/next.js/issues/42398
relates to
https://github.com/vercel/next.js/pull/42626#pullrequestreview-1172032873
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
Fixes: #42587
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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 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
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- [ ] Integration tests added
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## Feature
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PR.
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- [x] Integration tests added
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## Documentation / Examples
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Co-authored-by: Tim Neutkens <tim@timneutkens.nl>
Removes the `_` prefix from the RSC and Router headers as nginx strips
`_` prefixed headers by default.
Fixes#42164
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Ensures `cache` property is removed. We'll want to move this handling
into the `edge-runtime` package though.
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Preload layout/component so that fetching starts eagerly.
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Removing the `hasReactRoot` condition and `__NEXT_REACT_ROOT` env var since next 13 requires latest react 18 to be installed, all the react 17 (non concurrent mode) compatible code can be dropped now.
- Port tests
- Handle head on initial SSR
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
Co-authored-by: Josh Story <jcs.gnoff@gmail.com>
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x-ref:
https://github.com/vercel/next.js/actions/runs/3319321225/jobs/5484439514
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## Bug
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We have existing rule for pages ssr that `next/dist/server` and
`next/dist/shared` will not be bundled, but we shouldn't apply it to rsc
layers since the they should bundle the dependencies in their own way.
Adding a test that using `next/head` in the page, since head is exported
from `next/dist/shared`, expect the page is not broken but we don't
expect it's working
## Bug
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- [x] Integration tests added
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It should correctly render the global not found fallback page even if
the not-found file is missing.
## Bug
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## Feature
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PR.
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## Documentation / Examples
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Right now the SSG condition is determined _only_ based on
`supportsDynamicHTML`. However that `supportsDynamicHTML` flag can be
affected by bots too.
Here we exclude the `isBot` condition from the SSG flag, and set proper
status and meta tags for static HTML requests (and/or 404 cases).
## Bug
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- [x] Integration tests added
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
Bundle the ssr client layer for RSC, this solves the problem when
there's an esm package is using on client components, but esm imports
the installed react instead of the built-in react version since esm
imports is not intercepted by require hook.
After bundling the ssr client layer and treating react as externals, now
react compiles as cjs externals and could be intercepted by require
hook, other code are bundled together which can also get optimized.
## Feature
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feature request has been accepted for implementation before opening a
PR.
- [ ] Related issues linked using `fixes #number`
- [x] Integration tests added
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Co-authored-by: Shu Ding <g@shud.in>
Co-authored-by: JJ Kasper <jj@jjsweb.site>
Checking if app dir exported components (page/layout/etc.) are valid components in dev mode, also update `react-is` to detect module reference properly
Co-authored-by: JJ Kasper <22380829+ijjk@users.noreply.github.com>
Moves the logic that checks if there's a new root layout to the client.
Adds test for static and dynamic catchall.
Related: #41457
## Bug
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Co-authored-by: Tim Neutkens <tim@timneutkens.nl>
Co-authored-by: JJ Kasper <jj@jjsweb.site>
This PR updates app configurations from `export const config = { ... }`
to be directly exported.
## Bug
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
Inline a react and react-dom for app dir, when `appDir` flag is enabled
opt into the built-in version for all.
For server layer react, use the react share subset for server
components.
For all server side of react-dom usage, use the server-rendering-stub.
Co-authored-by: Shu Ding <g@shud.in>
Co-authored-by: JJ Kasper <jj@jjsweb.site>
This ensures we properly clear the `sc_client` component cache from
`react-server-dom-webpack` in development so that HMR works properly
after a refresh.
## Bug
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- [x] Integration tests added
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Fixes: [slack
thread](https://vercel.slack.com/archives/C043ANYDB24/p1666051202574509)
There is no need to use the href as key in our case because it's pure
during SSR and it won't re-order on the client. By using `index` we can
avoid some duplicate bytes here:
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Hannes is going to change the approach to be compatible with static.
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The PR continues from #41392.
In #41392 the `dev ? cache-busting : empty` is executed per stylesheet instead of per page rendering. Since rendering link tags would be a hot path at the server, it might have accidentally introduced a performance overhead. The PR fixes that.
Note, this change also makes `Date.now()` only execute once instead of per stylesheets, however, this will most likely not cause any issues.
Moves where the validation is made to make sure the error reaches the
client. Tests that an error overlay is shown on the client.
## Bug
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
The `ReadOnlyHeaders` class extends the `Headers` class that is provided
via a polyfill. This incurs some costs the first time it's created
because we need to load that polyfill. This saves approximately 10ms on
my machine on a cold request.
This is only useful when a user does not access headers during the
request of course and when the runtime does not support fetch naitvely.
## Bug
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