When `useSelectedLayoutSegment` is used on the current level or in a
page it should return null.
fixes#41879fixes#41878
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This adapts the new client hooks of `usePathname`, `useSearchParams`,
and `useRouter` to work within the `pages/` directory to aid users
attempting to migrate shared components over to the `app/` directory.
> **Exception:**
> When the pages router is not ready, `useSearchParams` will return an
empty `URLSearchParams`. This mirrors the behavior seen in the `pages/`
directory today in that `router.query` is not available until the client
hydrates.
This also adds a new option for `useRouter` to bring it line with the
correct typings with the app directory. By default, calling
`useRouter()` will return the type `NextRouter | null` to represent what
you get when you call it from a component originating from the app
directory. If you want to instead force it to return `NextRouter` as it
does today, you can pass a boolean into the `useRouter` call as such:
```ts
const router = useRouter() // typeof router === NextRouter | null
const router = useRouter(true) // typeof router === NextRouter
```
This change is designed to ease the incremental adoption of app.
Ensures cases like this work:
```
function username(user: null | User) {
if (!user) redirect();
return user.name;
}
```
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Makes it clearer why this is added by Next.js and allows searching for
it in the docs.
You can learn more about why here:
https://beta.nextjs.org/docs/routing/linking-and-navigating#focus-and-scroll-management
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- 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>
Bailout to client rendering when using useSearchParams and usePathName
during SSG.
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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
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It should correctly render the global not found fallback page even if
the not-found file is missing.
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Creates a root layout if it is missing in DEV when building the page in
`next-app-loader`. If the page is in a route group, the layout will be
created there. Otherwise it will create a layout directly under `/app`.
Breaks the build if a page is found that's missing a root layout.
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Remove head as required in root layout.
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Make `useSelectedLayoutSegment` include the remaining segments from the current level to the leaf node.
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Moves the logic that checks if there's a new root layout to the client.
Adds test for static and dynamic catchall.
Related: #41457
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Co-authored-by: Tim Neutkens <tim@timneutkens.nl>
Co-authored-by: JJ Kasper <jj@jjsweb.site>
Adds `router.back()` and `router.forward()`.
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Renames `router.reload` to `router.refresh` to better reflect that it refreshes the rendered page instead of being a blank slate.
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Similar to #40872 `useSearchParams` now returns a `URLSearchParams` instance instead of a plain object.
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Moves where the validation is made to make sure the error reaches the
client. Tests that an error overlay is shown on the client.
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
Adds `next/navigation` and `next/headers` APIs. Docs will follow later..
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Co-authored-by: JJ Kasper <22380829+ijjk@users.noreply.github.com>
- Remove unused code
- Keep rendering underlying component tree when there is a build error
- Move error catch up one level
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- Implements failing test
- Implemented handling for the case where the router tree does not match up with the segment path being navigated to. This is what caused the underlying error.
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Move react-dev-overlay into hot reloader client components, and let it imported by app router. So then we don't need to have hot reloader and react tree as adjacent sibilings but the overlay with error boundary is wrapping the react tree
Co-authored-by: Tim Neutkens <6324199+timneutkens@users.noreply.github.com>
Since `next/dynamic` has client hooks that not compatible with server
components, and app renderer doesn't provide context (such as
`LoadableContext`) for it to use. Previously we provided a simple
replacement using `React.lazy` for `next/dynamic` if you want to use it
in appDir.
This PR always alias it to the `React.lazy ` implementation for appDir
so that user won't need to worry about the dynamic options. They can
only use `dynamic()` without 2nd options arg
```js
import dynamic from 'next/dynamic'
const Dynamic = dynamic(() => import('./dynamic-component'))
```
- Add a failing test for navigating between many levels of dynamic routes
- Create router tree during prefetch action so that it can be reused across multiple urls
- Ensure segmentPath is correct when rendering a subtree. Previously it would generate a segmentPath that starts at the level it renders at which causes the layout-router fetchServerResponse to inject `refetch` at the wrong level.
- Fixed a case where Segment was compared using `===` which is no longer valid as dynamic parameters are expressed as arrays. Used `matchSegment` helper instead.
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Ensures the static generation case is covered. Checks
application/octet-stream client-side, if it's not does a full page
navigation.
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Making this function a noop on server for bundle size gains with DCE since most of the code is in an useEffect and is not gonna run
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This is a temporarily fix as discussed with @sebmarkbage. It will be superseded by async reducer functions once that's added.
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This reducer takes a good chunk of the bundle but is never run on the server so we can eliminate it. 5-10ms wins from my manual benchmark runs.
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Since React 18 returning `undefined` from components is allowed which renders to `undefined` in the RSC response so we need a separate prop to know if the loading boundary was provided.
Thanks to @finn-orsini who reported this problem.
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