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[pull] canary from vercel:canary #563

Merged
merged 70 commits into from
Mar 12, 2023
Merged

[pull] canary from vercel:canary #563

merged 70 commits into from
Mar 12, 2023

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proustibat and others added 5 commits March 5, 2023 17:47
Fixes #46789 





## Bug

- [X] Related issues linked using `fixes #number`

## Feature

- [X] Documentation added


## Documentation / Examples

- [X] Make sure the linting passes by running `pnpm build && pnpm lint`
- [X] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
Since we have 2 server compilers (node and edge), the `serverActions`
object will always get overridden by the second compilation during `next
build`. Like the client reference manifest, we need to have 2 objects
for each compiler and merge them when outputting the asset.

Besides that, to avoid `export default` being tree-shaken as unused
export, I changed the loader to use CJS `module.exports` instead. Can't
easily figure out a proper way for now but we plan to create separate
worker for the action endpoint and this will be gone then.

Fixes NEXT-759, read NEXT-761 for the full future plan.

## Bug

- [ ] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see
[`contributing.md`](https://github.com/vercel/next.js/blob/canary/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`
- [ ]
[e2e](https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs)
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`](https://github.com/vercel/next.js/blob/canary/contributing.md)

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
this fixes the same as #46493 but for
[argon2](https://www.npmjs.com/package/argon2)

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To make sure your PR is handled as smoothly as possible we request that
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## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see
[`contributing.md`](https://github.com/vercel/next.js/blob/canary/contributing.md)

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the
feature request has been accepted for implementation before opening a
PR.
- [x] Related issues linked using `fixes #number`
- [ ]
[e2e](https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs)
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`](https://github.com/vercel/next.js/blob/canary/contributing.md)

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
@pull pull bot requested a review from timneutkens as a code owner March 5, 2023 23:59
@pull pull bot added the ⤵️ pull label Mar 6, 2023
shuding and others added 23 commits March 6, 2023 11:53
Since the default export syntax is not `fnDecl` but `fnExpr` I added two new methods to abstract out all the transform logic and made both `visit_mut_fn_decl` and `visit_mut_fn_expr` use that.

Next step is to support default exports without an ident (`export default async function () {}`).

Fixes NEXT-768.

## Bug

- [ ] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see [`contributing.md`](https://github.com/vercel/next.js/blob/canary/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`
- [ ] [e2e](https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs) 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`](https://github.com/vercel/next.js/blob/canary/contributing.md)

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
Turbopack uses a different format for its css module classnames [0].
This adds and uses a helper function to the next-font tests to assert
against these classnames when testing with Turbopack. Ideally these
tests could be more behavioral (e.g. asserting on rendered dimensions),
but these can't capture things like fallback fonts.

[0] vercel/turborepo#3437
Because there is a TS error when is set just a string:
`TS2322: Type '() => string' is not assignable to type '(loadingProps: DynamicOptionsLoadingProps) => Element | null'.   Type 'string' is not assignable to type 'Element'.`
Migrate examples using `@next/font` to `next/font`.

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see [`contributing.md`](https://github.com/vercel/next.js/blob/canary/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`
- [ ] [e2e](https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs) 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`](https://github.com/vercel/next.js/blob/canary/contributing.md)

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
We recommend that users just opt into `edge` per page.
This global default was an unfortunate pattern.
This PR makes `typedRoutes` stricter by constraining generics in  `Route` to type string. I've also made generating types for routes a bit more efficient by moving `redirects` and `rewrites`'s processing to the plugin's constructor since `rewrites` and `redirects` don't change in both dev and prod.

I've also been trying to fix a bug where route types doesn't generate all the routes (some appear, some don't), but I've got no clues since that doesn't seem easy to reproduce (perhaps it only happens in my case?)

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see [`contributing.md`](https://github.com/vercel/next.js/blob/canary/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`
- [ ] [e2e](https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs) 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`](https://github.com/vercel/next.js/blob/canary/contributing.md)

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
This PR updates vendored React to the latest `@next` version, as well as
corresponding changes to the manifest and module reference generation
code.

The new React version includes the following upstream changes:

- 49f741046 Fix: Infinite act loop caused by wrong shouldYield (#26317)
(Andrew Clark)
-  106ea1c58 Support Iterables in Flight (#26313) (Sebastian Markbåge)
- f905da227 [Flight] Send server reference error chunks to the client
(#26293) (Hendrik Liebau)
- e0241b660 Simplify Webpack References by encoding file path + export
name as single id (#26300) (Sebastian Markbåge)
- 25685d8a9 Codemod tests to waitFor pattern (9/?) (#26309) (Andrew
Clark)
- 64dde7082 Codemod tests to waitFor pattern (8/?) (#26308) (Andrew
Clark)
- 3cb5afb82 Codemod tests to waitFor pattern (7/?) (#26307) (Andrew
Clark)
- e98695db9 Codemod tests to waitFor pattern (6/?) (#26305) (Andrew
Clark)
- 9a52cc8bc Convert ReactLazy-test to waitFor pattern (#26304) (Andrew
Clark)
- 03462cfc7 [Fizz] External runtime: fix bug in processing existing
elements (#26303) (mofeiZ)
- faacefb4d Codemod tests to waitFor pattern (4/?) (#26302) (Andrew
Clark)
- 06460b6fb Remove unnecessary (and incorrect) code for compatibility
with Paper in the Fabric version of GlobalResponderHandler (#26290)
(Rubén Norte)
- e64a8f403 Codemod tests to waitFor pattern (3/?) (#26299) (Andrew
Clark)
- ce8a72fd4 Codemod tests to waitFor pattern (2/?) (#26296) (Andrew
Clark)
- 1f1f8eb55 [Float][Fizz][Fiber]: Refactor <style> Resource
implementation to group on flush (#26280) (Josh Story)
- 5c633a48f Add back accidentally deleted test comments (#26294) (Andrew
Clark)
- b073104c2 [DevTools] improve troubleshooting in README (#26235)
(Mengdi Chen)
- fcf218791 [DevTools] Remove renderer.js from extension build (#26234)
(Mengdi Chen)
- b72ed698f Fixed incorrect value returned as public instance from
reconciler (#26283) (Rubén Norte)
- 25a8b9735 Codemod tests to waitFor pattern (1/?) (#26288) (Andrew
Clark)
- e52446733 New internal testing helpers: waitFor, waitForAll,
waitForPaint (#26285) (Andrew Clark)
- d49e0e0be Removed unused imperative events implementation from React
Native renderer (#26282) (Rubén Norte)

---------
Currently all helper functions are exported from huge utils files. This
moves the helper functions to their own files, this approach aligns
better with the rest of the codebase.

The unit tests are split up and colocated with the function it tests.
Also added some missing tests.

Plus some overall cleanup, added comments and fixed types.

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see
[`contributing.md`](https://github.com/vercel/next.js/blob/canary/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`
- [ ]
[e2e](https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs)
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`](https://github.com/vercel/next.js/blob/canary/contributing.md)

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
This updates to no longer skip caching POST or authed requests with the
fetch cache and instead we bail when `cookies()` or `headers()` is used
prior which is a better heuristic to signal user specific data would be
related to the fetch request.

x-ref: [slack
thread](https://vercel.slack.com/archives/C042LHPJ1NX/p1678130069138849)

## Bug

- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see
[`contributing.md`](https://github.com/vercel/next.js/blob/canary/contributing.md)
These utilities aren't needed so can be removed
Continues from #46380. The PR migrates the unit test cases from the original repo into the Next.js repo.
Follow-up to #45772 this ensures
the rewrite header can be correctly set when a chained middleware
rewrite is occurring.

x-ref: [slack
thread](https://vercel.slack.com/archives/C01RGMANU9Y/p1678074803731489)

## Bug

- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [ ] Errors have a helpful link attached, see
[`contributing.md`](https://github.com/vercel/next.js/blob/canary/contributing.md)
## What?

This PR has its main goal to improve the experience of opening/reviewing
a PR.

It improves the PR template, as well as extends PR auto-labeling.


## Why?

There are 2 parts to the PR template:

- Individual contributors: The current template accommodates for the
most common cases individual contributors use to contribute. (I.e.
fixing bugs, updating/adding examples, addressing documentation issues).
The new template keeps this at the top.
- Next.js team: As maintainers, we should try to explain PRs as if
someone with less context would review them. This should also help with
backreferencing PRs in issues and follow-up PRs and make it easier to
follow changes, understand trade-offs better at the time, and help new
team members catch up over time, etc.

## How?

The template is written in a comment instead of Markdown, so when the PR
is opened, most of the template is hidden to make it less verbose.

The checkboxes we've had before are not shown, but we already auto-label
PRs based on the path of the files that have been touched, so the
checkboxes showed redundant information.


[Slack
thread](https://vercel.slack.com/archives/C04DUD7EB1B/p1677677802109289),
Closes NEXT-741
### What?

Link to
https://github.com/vercel/next.js/tree/canary/examples/reproduction-template-app-dir
from our bug report template.

### Why?

To lower the barrier to adding a reproduction even when reporting an App
Router-related issue, which is currently behind a flag. (Pointed out in
#46852)

### How?

Added a link in the issue template. The remaining question is, should we
add anything else to
https://github.com/vercel/next.js/tree/canary/examples/reproduction-template-app-dir
to make creating a reproduction easier?

Closes NEXT-789
Related #46852
Add a timeout to the Google Fonts fetch calls in dev. In case they
aren't fetched in time, the fallback font is used instead.

Currently if font fetching fails due to network errors in dev, the
loader is not cached. Every change on a page that uses a font makes it
retry to refetch the font. But, if the network is slow enough to cause
timeouts, that means that every change would force the user to wait for
the timeout before the page being updated. Because of this, the PR also
enables the loader to be cached on error. The drawback is that you would
have to delete the `.next` folder to retry to get the actual font in
case it got cached after failing.

Closes NEXT-726

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see
[`contributing.md`](https://github.com/vercel/next.js/blob/canary/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`
- [ ]
[e2e](https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs)
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`](https://github.com/vercel/next.js/blob/canary/contributing.md)

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
This PR adds the support for unnamed default export expression support
`export default async function () {}` in a "use server" entry, with
corresponding test.

Also fixed an existing bug that the default exported action's name
should be aligned with the export name, which is `"default"`.

Closes NEXT-769.
Currently the codemod always runs `root.toSource()`, recreating the
source from the AST. But this can sometimes add unexpected semicolons to
files that actually didn't get updated by the codemod. This PR adds a
check to see if the AST has been updated before running
`root.toSource()`, otherwise it just returns the original source.
This should be a special case of having a function as the client
boundary's prop. Fixes NEXT-732, fixes #46573.
ijjk and others added 29 commits March 8, 2023 11:52
When fetching CSS or font files from Google Fonts, it won't work if
you're required to use a proxy. This change makes it look for the
`http(s)_proxy` environment variable, and if it's defined it creates a
fetch agent using
[https-proxy-agent](https://github.com/TooTallNate/node-https-proxy-agent).

Also fixes fetch errors not being properly logged.

Fixes #45034
Closes NEXT-690

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have a helpful link attached, see
[`contributing.md`](https://github.com/vercel/next.js/blob/canary/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`
- [ ]
[e2e](https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs)
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`](https://github.com/vercel/next.js/blob/canary/contributing.md)

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && pnpm lint`
- [ ] The "examples guidelines" are followed from [our contributing
doc](https://github.com/vercel/next.js/blob/canary/contributing/examples/adding-examples.md)
It's possible that the request is missing or having an invalid URL, and
got passed to the renderer.

Fixes NEXT-139.
Ensure that the router tree state header is one single, valid value.

Fixes NEXT-136.
…#46922)

Rename FontLoaderManifest to NextFontManifest to make it more obvious
that it has to do with `next/font`.

There's a change to how the plugin determines if a module is generated
by `next/font`. Instead of looking at the target CSS file
https://github.com/vercel/next.js/blob/v13.2.4-canary.6/packages/next/src/build/webpack/plugins/font-loader-manifest-plugin.ts#L37-L49.
It simply looks if the module has `next-font-loader` in its loaders:
https://github.com/vercel/next.js/compare/canary...hanneslund:next.js:next-font-build-cleanup?expand=1#diff-34d7972c68687e875c868847f782f369c3af162a9af10949f3577660775afcb2R65-R74

Also more comments added to the manifest plugin and the `next/font`
postcss plugin.

---------

Co-authored-by: JJ Kasper <[email protected]>
Follow-up to #46906 this ensures
we revalidate `generateStaticParams`/`getStaticPaths` in the background
in development so that we aren't blocking refreshes an much
un-necessarily if the paths cache is already populated.

Fixes: #44646
Fixes: #38757
x-ref:
#17977 (comment)
x-ref: #20076
x-ref: #14378
Add support for cases like:

```js
const foo = async function () {}
export default foo

const bar = async function() {}
export { bar }
```

Also fix a bug where nested async function declarations are mistakenly
counted as actions.

Fixes NEXT-800.
)

Support top level static `robots.txt` and `sitemap.xml` as metadata
route in app directory. When those files are placed in top root
directory

Refactored a bit the page files matching logic, to reuse it between dev
server and build

Closes NEXT-267
Update to latest next channel of react

mainly for facebook/react#26353

```
-  3706edb81 [Float][Fizz]: Don't preload nomodule scripts (#26353) (Josh Story)
-  2b003a5cc Split out ServerReferenceMetadata into Id and Bound Arguments (#26351) (Sebastian Markbåge)
-  62cd5af08 Codemod redundant async act scopes (#26350) (Andrew Clark)
-  037378202 Internal `act`: Call scope function after an async gap (#26347) (Andrew Clark)
-  d8e49f2af Use setTimeout to schedule work on the server in Edge environments (#26348) (Sebastian Markbåge)
-  83643778b Internal test helpers: Use Node's MessageChannel to queue task (#26345) (Andrew Clark)
-  f36ab0e37 Remove timers from ReactDOMSuspensePlaceholder tests (#26346) (Andrew Clark)
-  44d380794 Move internalAct to internal-test-utils package (#26344) (Andrew Clark)
-  8c100620c Build: specify Node.js 16 as minimum for dev (#26343) (Jan Kassens)
-  d81447304 [Internal API only] Delete non-awaited form of act (#26339) (Andrew Clark)
-  702fc984e Codemod act -> await act (4/?) (#26338) (Andrew Clark)
-  9fb2469a6 Restore definition of NativeMethods as an object for React Native (#26341) (Rubén Norte)
-  aef930314 [DevTools] upgrade electron to latest version & security improvements (#26337) (Mengdi Chen)
-  161f6ae42 Codemod act -> await act (3/?) (#26336) (Andrew Clark)
-  58605f798 Codemod act -> await act (2/?) (#26335) (Andrew Clark)
```
Move error overlay recovery tests in `ReactRefreshLogBox.test.ts` to a
new file. This is already done for the app router tests, but this does
it for the old router as well. Makes `ReactRefreshLogBox.test.ts` faster
to run.
When the RSC compiler error was caused by an external package, make the
error message display which import caused the error. Also don't show
node_module files in the import trace.

Continuation of #45484

Before

![image](https://user-images.githubusercontent.com/25056922/224032476-6811a1d5-d690-48be-9602-781f459edc70.png)

After

![image](https://user-images.githubusercontent.com/25056922/224032177-2d0b2977-098f-46bd-8e30-9e6bc21b9153.png)

Updates the format of the files, from `app/page.js` to `./app/page.js`
to align it with other import traces.

![image](https://user-images.githubusercontent.com/25056922/224030420-1d3ff0ba-5747-4ed3-8b0b-9c4deace54ea.png)


Closes NEXT-523
This ensures we leverage the turbo remote cache when able to for the dev
swc binary as well.

x-ref:
https://github.com/vercel/next.js/actions/runs/4378909387/jobs/7664237608
<!--
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To make sure your PR is handled as smoothly as possible we request that
you follow the checklist sections below.
Choose the right checklist for the change(s) that you're making:
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## Bug
fix #46948 
- [x] Related issues linked using `fixes #number`
- [x] Integration tests added
- [x] Errors have a helpful link attached, see
[`contributing.md`](https://github.com/vercel/next.js/blob/canary/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`
- [ ]
[e2e](https://github.com/vercel/next.js/blob/canary/contributing/core/testing.md#writing-tests-for-nextjs)
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`](https://github.com/vercel/next.js/blob/canary/contributing.md)

## Documentation / Examples

- [ ] Make sure the linting passes by running `pnpm build && 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: Seiry Yu <[email protected]>
## Checklist

- [ ] Related issues linked using `fixes #number` 
  - no related issue exists, happy to open one if desired
- [x] Tests added
- not sure if specific tests are needed? there is an integration test
for environment variables, and Next.js relies a lot on passing
information through environment variables; i'd expect everything to
break if this change broke environment variable handling
- [x] Errors have a helpful link attached, see
https://github.com/vercel/next.js/blob/canary/contributing.md
  - no new errors, does not apply

### What?

Re-assigning `process.env` substitutes the "magic object" that sets
environment variables at the process level with an ordinary JavaScript
object. This causes environment variables that are set after
`process.env` is re-assigned to not be visible to native add-ons.

See [this Node.js issue][issue] and [this reproduction case][repro] for
details.

[issue]: nodejs/node#46996
[repro]: https://github.com/unflxw/nodejs-process-env-addons-repro

### Why?

In general, paraphrasing the maintainer in the Node.js issue,
re-assigning `process.env` is not a thing you should do. More
specifically, I'm trying to use Next.js' experimental OpenTelemetry
support with AppSignal's Node.js integration, which also uses
OpenTelemetry.

The AppSignal Node.js package sets environment variables in order to
configure a long-running process, which is then launched through a
native add-on. Because of the re-assignment of `process.env` that occurs
early in Next.js' lifecycle process, by the time the AppSignal Node.js
package sets environment variables, it's setting them in an ordinary
JavaScript object that Next.js left in the global `process` object, not
in the magic one created by the Node.js runtime.

This means that these environment variables are not _actually_ being set
for the process at the OS level, and therefore they're also not set for
the native add-on, or for the long-running process it spawns.

### How?

A `replaceProcessEnv` function is implemented that takes an environment
object as an argument, and applies the difference between that
environment object and the current environment to the existing
`process.env` object. This function is used instead of re-assigning
`process.env`.

Co-authored-by: JJ Kasper <[email protected]>
This PR adds Zod to the precompiled libraries, and use it to create schemas for the router state tree for validation. In other planned features/changes, Zod will also be used to do run-time data validation.

Fixes NEXT-135.
This PR adds basic support for default export of an async arrow
function:

```js
export default async (a, b) => { console.log(a, b) }
```

In upcoming PRs I'll refactor named export handling and inlined
declarations.
Generate `/favicon.ico` route when favicon.ico is placed into `app/`.

Still collect favicon metadata image information through
metadata-image-loader but don't emit the file to static dist anymore.
Also collect favicon through metadata routes, and render it as static
routes. Also remove the `hash` we generated before, not needed anymore.

Change metadata static routes rendering process: collect static metadata
assets, read the buffer of the file data and return it in the response.

Closes NEXT-791
# Bugfixes

* vercel/turborepo#4149
* vercel/turborepo#4151

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
Add the new fonts to `next/font/google`.
#46990)

fixes #46893

### What?
fixing compile issue reguarding the dompurify package.

### Why?
To allow the usage of dompurify

### How?
Added jsdom and canvas to the external packages list which are used by dompurify and throw errors if not added to this list.
Added auto-detection of image/x-icon content type by analyzing response buffer

fixes #45998

Co-authored-by: Steven <[email protected]>
…46992)

`mdx-bundler` is used for server-side transformation of MDX files and currently using it within server components will throw a `Module parse failed: Unexpected token` error.

Adding `serverComponentsExternalPackages: ['mdx-bundler']` to `next.config.js` fixes the issue, but it's probably good to add to the default exclusion list as `mdx-bundler` is a relatively popular approach for using MDX in Next.js apps.
Set the output bundle file path to `/<metadata route>/route.js` to align with other custom app routes, in order to make it easier being handled by app routes in both nextjs and vercel
@pull pull bot merged commit 287ad83 into MLH-Fellowship:canary Mar 12, 2023
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