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:
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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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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).
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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.
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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>
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: JJ Kasper <jj@jjsweb.site>
This PR updates app configurations from `export const config = { ... }`
to be directly exported.
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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.
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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:
![CleanShot 2022-10-18 at 00 21
20@2x](https://user-images.githubusercontent.com/3676859/196295175-c5b437f7-0ae9-4d89-9d96-9594686168ae.png)
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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.
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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.
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Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
Fixes tree shaking for font loaders in server components.
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The PR continues from #41164.
`next/script` with `beforeInteractive` should not block the hydration,
**but the `polyfill-nomodule` *should* block the hydration** (and should
be loaded before other scripts), as `polyfill-nomodule` includes
multiple polyfills to even execute `main-app.[hash].js` properly on old
browsers (`Array.prototype.includes`, `String.prototype.startsWith`,
etc.).
Without `polyfill-nomodule` being loaded first, the entire
bootstrap/hydration process might not even work on old browsers. So it
should not be loaded through `__next_s`.
cc @shuding
Co-authored-by: Shu Ding <g@shud.in>
The way we currently track server CSS imports is to collect CSS files that each **module** depends on. This happens on the module graph level which is a global thing and cannot be tree-shaken properly (check the enabled test for more details).
In this PR we collect another information, of CSS files that each **entrypoint** depends on. This is the CSS list after tree-shaken on the entry level. By intersecting these CSS imports with the module-level CSS imports, we can get the final used CSS imports for each _layout_.
cc @hanneslund
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This PR ensures that for the app directory, `beforeInteractive`, `afterInteractive` and `lazyOnload` scripts via `next/script` are properly supported.
For both `beforeInteractive` and `afterInteractive` scripts, a preload link tag needs to be injected by Float. For `beforeInteractive` scripts and Next.js' polyfills, they need to be manually executed in order before starting the Next.js' runtime, without blocking the downloading of HTML and other scripts.
This PR doesn't include the `worker` type of scripts yet.
Note: in this PR I changed the inlined flight data `__next_s` to `__next_f`, and use `__next_s` for scripts data, because I can't find a better name for `next/script` that is also short at the same time.
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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>
Finds the font files connected to font loader modules and adds them to
the font loader manifest. They're then collected and rendered similarly
to CSS links in app-render.
- 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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Inspects the stream of rendered HTML in dev to make sure all required tags are rendered. Since navigating to a new root layout causes a full page navigation we don't have to worry about flight requests.
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Finds the root layout segments for flight requests. If those segments doesn't match the FlightRouterState it's a new root layout and a full page reload is required.
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Co-authored-by: Tim Neutkens <6324199+timneutkens@users.noreply.github.com>
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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This PR makes sure that the same polyfills are added in app dir for
browsers that match `nomodule`. Main difference from the polyfills in
pages is that the script tags here cannot have `defer` as all other
scripts will be async by default, and polyfills must be executed before
all of them.
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When possible (`ReactRoot` enabled), we always use
`renderToReadableStream` to render the element to string and drop all
`renderToString` and `renderToStaticMarkup` usages. Since this is always
true for the Edge Runtime (which requires React 18+), so we can safely
eliminate the `./cjs/react-dom-server-legacy.browser.production.min.js`
module there
([ref](https://unpkg.com/browse/react-dom@18.2.0/server.browser.js)).
This reduces the gzipped bundle by 11kb (~9%). Let me know if there's
any concern or it's too hacky.
<img width="904" alt="image"
src="https://user-images.githubusercontent.com/11064311/192544933-298e3638-13ba-436d-9bcb-42dfb1224025.png">
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Co-authored-by: Jimmy Lai <laijimmy0@gmail.com>
Re-do of https://github.com/vercel/next.js/pull/40251
Edge SSR'd routes cold boot performances are proportional to the
executed code size.
In order to improve it, we are trying to optimize for the bundle size of
a packed Edge SSR route.
This PR adds ESM compilation targets for all Next.js dist packages and
use them to bundle Edge SSR'd route.
This allows us to leverage the better tree shaking/DCE for ESM modules
in webpack in order to decrease the overall bundle size.
This PR also enables minifying Edge SSR routes. Since we don't control
which minifier might be used later (if any), it's best if we provide an
already optimised bundle.
<img width="903" alt="image"
src="https://user-images.githubusercontent.com/11064311/190005211-b7cb2c58-a56a-44b0-8ee4-fd3f603e41bd.png">
This is a 10ms cold boot win per my benchmarking script, which I'll put
in a subsequent PR.
Not done yet:
- ~~swap exported requires in `next/link` (and others) etc to point them
to the esm modules version~~
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Co-authored-by: JJ Kasper <jj@jjsweb.site>
Co-authored-by: Shu Ding <g@shud.in>
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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
- [ ] 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 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>
Co-authored-by: Shu Ding <g@shud.in>
This reverts commit 11deaaa82b.
Temporarily reverts the above commit due to breaking middleware/edge
functions once deployed.
Fixes:
https://github.com/vercel/next.js/actions/runs/3133433920/jobs/5087331787
cc @shuding @feedthejim
```sh
[GET] /blog/first
13:56:56:61
2022-09-27T20:56:56.671Z 61d43a6a-34a1-40c0-b71f-4ae5d1918431 ERROR /var/task/node_modules/next/dist/esm/client/router.js:1
/* global window */ import React from 'react';
^^^^^^
SyntaxError: Cannot use import statement outside a module
at Object.compileFunction (node:vm:352:18)
at wrapSafe (node:internal/modules/cjs/loader:1033:15)
at Module._compile (node:internal/modules/cjs/loader:1069:27)
at Object.Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
at Module.load (node:internal/modules/cjs/loader:981:32)
at Function.Module._load (node:internal/modules/cjs/loader:822:12)
at Module.require (node:internal/modules/cjs/loader:1005:19)
at require (node:internal/modules/cjs/helpers:102:18)
at Object.<anonymous> (/var/task/node_modules/next/router.js:3:7)
at Module._compile (node:internal/modules/cjs/loader:1105:14)
```
As discussed with @sebmarkbage, the handling is more about showing a not found component than it is about a specific status code as these can come in late with streaming.
## 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 lint`
- [ ] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)