Ensures cases like this work:
```
function username(user: null | User) {
if (!user) redirect();
return user.name;
}
```
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We currently only fallback to the global `runtime` option if the page
actually **needs** a runtime (not statically optimizable). That happens
for SSG (ISR) and SSR for pages/. But for app/, we will always need a
`runtime` to render server components.
Also in this PR, I improved the tests to actually **test** the runtime
to ensure it has `globalThis.EdgeRuntime` so it's not running in the
Node.js runtime
([ref](https://edge-runtime.vercel.app/features/available-apis#addressing-the-runtime)).
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## Bug
Minor fix to --turbo to not to suppress errors thrown from bindings.
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
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>
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x-ref:
https://github.com/vercel/next.js/actions/runs/3319321225/jobs/5484439514
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* Import dev overlay for dev mode only
* Remove other unused code
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There's a typo, the `l` is missing in "experimenta**l**-edge", so this
PR fixes it :sunglasses_+1:
## Bug
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We found a case where 14.0.0 breaking with private class methods, such
as:
```js
class C {
#x() { return 42; }
x() {
return this.#x();
}
}
```
This feature was introduced in Node.js 14.6.0, so we can bump the
minimum version.
See https://node.green
Updating the average with using the string
"aaabcdeeeefghiijklmnnoopqrrssttuvwxyz "
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Co-authored-by: Hannes Bornö <hannes.borno@vercel.com>
Improve font error messages and readme
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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
## Bug
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By default the edge page entry is in the client layer because it bundles Next.js. It's a virtual loader (edge-ssr-loader) but that makes the SWC loader think the page's source is a client component.
We use the resource query `__edge_ssr_entry__` to convert it to the server layer but we need to add that condition to the SWC loader too.
## Bug
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## Bug
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Co-authored-by: Steven <229881+styfle@users.noreply.github.com>
We are moving the Head export.
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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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Previously, creating the `app` dir without enabling the config would
print an error about `pages` missing:
> Couldn't find a `pages` directory. Please create one under the project
root
This PR prints a better error message:
> The `app` dir is experimental. Please add `{experimental:{appDir:
true}}` to your `next.config.js` to enable it
Co-authored-by: Balázs Orbán <info@balazsorban.com>
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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Co-authored-by: JJ Kasper <jj@jjsweb.site>
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This improves errors like this:
```
One of these is marked as a client entry with "use client":
app/page2/page.tsx?__edge_ssr_entry__
```
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Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
This makes sure that the TypeScript in the workspace can be enabled.
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## Documentation / Examples
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We currently assume that external packages are installed via a package
manager, but actually in a monorepo they can be in local.
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## Documentation / Examples
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
Enable setting font specific subsets in the call.
## Bug
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## Documentation / Examples
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Co-authored-by: JJ Kasper <22380829+ijjk@users.noreply.github.com>
When esm package that depending on react is used between `pages/` and
`app/`, it's loading the user installed react through esm loader which
doesn't go through require hook, so we cannot intercept it with
require-hook.
Disable esm resolving when `appDir` is enabled for now, prefering to
pick the cjs bundle so that react import is intercepted by require hook
and pointing to the built-in react
Co-authored-by: JJ Kasper <jj@jjsweb.site>
sass & scss support for app
## Bug
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## Documentation / Examples
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- [ ] The "examples guidelines" are followed from [our contributing
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## Bug
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## Feature
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## Documentation / Examples
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Co-authored-by: JJ Kasper <22380829+ijjk@users.noreply.github.com>
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.
## 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`
- [ ] Integration tests added
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## Documentation / Examples
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Same as #41636 but with a new condition.
## Bug
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## Feature
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Co-authored-by: Jiachi Liu <inbox@huozhi.im>
This PR improves the type checking error message when you have unnecessary props:
```tsx
export default function Page({ whatIsThis }) {
return <div>hello</div>
}
```
## Bug
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## Documentation / Examples
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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
- [ ] 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
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Co-authored-by: Shu Ding <g@shud.in>
Co-authored-by: JJ Kasper <jj@jjsweb.site>
## 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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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>
For `next/legacy/image`, the `data-nimg` has the `layout` prop value.
Since `next/image` doesn't have a `layout` prop, we can use `fill` when
the fill prop is used or fallback to `1`.
This PR updates `@types/node` to `14.14.31`. The most important type is
that `ParsedUrlQuery` can hold `undefined` so we are updating the code
here to explicitly handle those cases. Aside from it we are adding a
global definition taken from NodeJS for `AsyncLocalStorage` that we
export in `server.d.ts`
Adds support for:
- outputting what kind of build we did for routes in the app folder:
SSR, SSG, static
- adds the list of SSG'd routes
- adds JS size for app routes
# before
<img width="512" alt="image"
src="https://user-images.githubusercontent.com/11064311/197346761-1f288648-f480-4f3e-97dc-c4eee10ecfbf.png">
# after
<img width="426" alt="image"
src="https://user-images.githubusercontent.com/11064311/197236400-2ba245ab-a7a0-4bbe-b8f7-c9ba6ff755f5.png">
Add build output status for routes for app routes. Unclear if the logic
I added is correct so please take double check (@ijjk maybe?)
## Bug
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## Feature
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PR.
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## Documentation / Examples
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Adds default config if @next/font is a dependency. Warns instead of
errors when subsets is missing.
[slack
ref](https://vercel.slack.com/archives/C03KED0D4N7/p1666226599615489?thread_ts=1666225686.389179&cid=C03KED0D4N7)
## Bug
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PR.
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## Documentation / Examples
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
Next.js 13 will require React 18.
In this PR I've only updated the peerDependency and removed the test runs in GH actions. Further cleanup will follow later, this allows us to remove the code supporting it later.
## Bug
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## Feature
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## Documentation / Examples
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Co-authored-by: Jiachi Liu <4800338+huozhi@users.noreply.github.com>
This PR adds a new configure property, `images.loaderFile` that allow
you to define a path to a file with an exported image loader function.
This is useful when migrating from `next/legacy/image` to `next/image`
because it lets you configure the loader for every instance of
`next/image` once, similar to the legacy "built-in loaders".
## 📖 Feature
Adds `AsyncLocalStorage` as a global variable to any edge function (middleware, Edge API routes).
Falls back to Node.js' implementation.
## 🧪 How to test
1. `pnpm build`
2. `pnpm testheadless --testPathPattern async-local`
Remove head as required in root layout.
## 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
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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)
We can't directly put `filePath` in the generated code as it can contain in valid JavaScript string such as `"\2"` in `"C:\Users\foo\2022\bar.js"`. Reference: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Deprecated_octal
Reported issue in Next.js:
## Bug
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## Feature
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## Documentation / Examples
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Updating size-adjust calc to use azAvgWidth instead of xAvgCharWidth
Co-authored-by: Hannes Bornö <hannes.borno@vercel.com>
Co-authored-by: Balázs Orbán <info@balazsorban.com>
Co-authored-by: JJ Kasper <jj@jjsweb.site>
Make local and google font loaders more similar. Both should define `weight: string` and `style: string`.
## Bug
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This is a new experimental feature to specify a list of packages (or
subpaths in packages, like `pkg/src/index.ts`), to opt-in Next.js
transpilation in the server build.
cc @jescalan
## Bug
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## Feature
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PR.
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I'm investigating the runtime perf of the node server and this was one of the hot spot I stumbled upon.
This diff:
- refactors getPagePath to not throw when it doesn't find a path: this function is used to check if a path exists, we don't want that kind of overhead there
- adds a LRU cache to cache the result of the evaluation
Results:
before:
> 110k requests in 11.01s, 285 MB read
after
>135k requests in 11.01s, 348 MB read
on an autocannon run
## Bug
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Make `useSelectedLayoutSegment` include the remaining segments from the current level to the leaf node.
## Bug
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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
## Bug
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## Documentation / Examples
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Co-authored-by: Tim Neutkens <tim@timneutkens.nl>
Co-authored-by: JJ Kasper <jj@jjsweb.site>
This PR adds a feature in middleware to add, modify, or delete request headers. This feature is quite useful to pass data from middleware to Serverless/Edge API routes.
### Questions for Reviewers
- Should we deny modifying standard request headers like `Transfer-Encoding`?
- Should we throw an error if the header is too large? Real-world HTTP servers will accept up to only 8KB - 32KB.
### New APIs
Adds a new option `request.headers` to the `MiddlewareResponseInit` parameter in `NextResponse.next()` and `NextResponse.rewrite()`. It's a [`Header`](https://developer.mozilla.org/en-US/docs/Web/API/Headers) object holding *all* request headers. Specifically:
```ts
interface MiddlewareResponseInit extends ResponseInit {
request?: {
headers?: Headers
}
}
```
### Example
```ts
// pages/api/hello.ts
export default (req, res) => {
const valueFromMiddleware = req.headers['x-hello-from-middleware']
return res.send(valueFromMiddleware)
}
// middleware.ts
import { NextRequest, NextResponse } from 'next/server'
export default function middleware(request: NextRequest) {
// Clone request headers
const headers = new Headers(request.headers);
// Add a new request header
headers.set('x-hello-from-middleware', 'foo');
// Delete a request header from the client
headers.delete('x-from-client');
const resp = NextResponse.next({
// New option `request.headers` which accepts a Headers object
// overrides request headers with the specified new ones.
request: {
headers
}
});
// You can still set *response* headers to the client, as before.
resp.headers.set('x-hello-client', 'bar');
return resp;
}
```
### New middleware headers
- `x-middleware-override-headers`: A comma separated list of *all* request header names. Headers not listed will be deleted.
- `x-middleware-request-<name>`: A new value for the header `<name>`.
## Related Discussions
- https://github.com/vercel/next.js/discussions/31188
- https://github.com/vercel/next.js/discussions/39300
## Bug
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Related discussion:
https://vercel.slack.com/archives/C043ANYDB24/p1666208186363099?thread_ts=1664676119.265829&cid=C043ANYDB24.
Tl;dr: RSC already renders and serializes things dynamically, there is
no need to manually do that in RSC and embed them via
dangerouslySetInnerHTML.
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This PR adds a list of popular packages that should always opt-out
bundling in the server layer.
## Bug
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## Feature
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PR.
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## Documentation / Examples
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This PR updates app configurations from `export const config = { ... }`
to be directly exported.
## Bug
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## Feature
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PR.
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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>
