### What?
Add support to import attributes.
### Why?
The old import assertions syntax is deprecated and the proposal is
updated. See https://github.com/babel/babel/pull/15536
### How?
Add support to import attributes and keep old import assertions working
by using `@babel/plugin-syntax-import-attributes` with the
`deprecatedAssertSyntax` option.
Docs: https://babeljs.io/docs/babel-plugin-syntax-import-attributes
---------
Co-authored-by: Jiachi Liu <inbox@huozhi.im>
Co-authored-by: Steven <steven@ceriously.com>
## What?
Before: 25.71s
After: 11.05s (-57%)
## How?
Currently the system for isolation looks like this:
- Copy `packages` folder to an isolated directory
- Run `pnpm pack` for all folders in `packages`
- Collect the pack files, add them as `dependencies` in package.json of
the isolated application
- Run `pnpm install`
Because the `next-swc` (Turbopack + SWC, yes we still need to rename the
package) binary file is quite large in development (900MB+) it means we
have to copy, then zip (pnpm pack), then unzip (pnpm install) that
binary, which takes about 3+ seconds in each step.
The change in this PR is to skip the copy/zip/unzip completely by
providing the folder path for the binary directly to Next.js, as it's a
binary we don't need the special isolation for this, it's already
standalone so running it directly allows us to skip 14,6 seconds of work
that is required for each isolated test in development.
This will likely have little effect on CI times as we already do some
tricks like only running the packing at the start of the CI process.
Only thing that could be better and is probably worth doing is adopting
this change for the time it saves for unzipping, that's almost 4 seconds
per test still.
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### How?
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Closes NEXT-3200
---------
Co-authored-by: JJ Kasper <jj@jjsweb.site>
### What
Closes PACK-2978, requires https://github.com/vercel/turbo/pull/8005.
PR extends existing mdxRs config from accepting object as well in
addition to current boolean flag, mainly to allow to specify what kind
of markdown types will be used between gfm and commonmark.
<!-- Thanks for opening a PR! Your contribution is much appreciated.
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### What?
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### How?
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### What?
This ensures that the body limit option is enforced on all request
bodies sent to the Node.js runtime, not just the multipart field size
limits.
### Why?
The documentation states that this should limit the body size,
previously it only limited the field size.
### How?
This uses a `Transform` stream from Node.js. [Based on my
benchmarks](https://gist.github.com/wyattjoh/c470d98095da2f95f5920396aba2a206)
using the transform stream added next to no overhead, yet it did
simplify the implementation quite a bit. Assuming this is due to the
already performant stream support within Node.js.
Closes NEXT-3151
* https://github.com/vercel/turbo/pull/7995 <!-- Benjamin Woodruff - fix(turbopack-node) postcss.config.js path resolution on Windows -->
(plus unrelated turborepo + CI changes)
This PR should not be cherrypicked into the 14-2-1 branch. Instead https://github.com/vercel/next.js/pull/64677 should be merged into that branch, as that PR contains only the one above Windows commit.
> Note: Did not add additional tests or make many changes to the utils,
possible refactoring on the following PR.
This PR split the legacy tests into four sections to improve the
maintenance and concurrency of CNA tests:
- `prompts`: target prompt interactions. `Y/n`
- `examples`: target `--example` and `--example-path` flags.
- `templates`: target the flag values such as `--app`, `--eslint`, etc.
- `package-manager`: target package managers: npm, pnpm, yarn, bun
---------
Co-authored-by: JJ Kasper <jj@jjsweb.site>
### What?
Pass the names of side-effect-free packages specified in `experimental.optimizePackageImports`.
Turbopack counterpart: https://github.com/vercel/turbo/pull/7731
### Why?
Some packages like `@tremor/react` causes a problem without `optimizePackageImports`.
### How?
Closes PACK-2527
