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### What?
Now that @phanect added support for ESM PostCSS config files in PR
#63109 (original issue #34448), PostCSS can use ESM config by default.
It needs to use an `.mjs` extension by default because `create-next-app`
scaffolds CommonJS apps by default.
This will also work with ESM projects which have added `"type":
"module"` in their `package.json`
### Why?
1. To convert one more file to ESM
2. To use the modern format
3. To follow other similar migrations that have taken place in the
Next.js codebase (eg. `next.config.mjs`)
### How?
- Change file extensions from `.cjs` to `.mjs` (change similar to PR
#58380)
- Change module format from CommonJS to ESM
- Add type for the config, for users who enable `checkJs: true` in
`tsconfig.json`
Co-authored-by: Sam Ko <sam@vercel.com>
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### What?
Prevent confusing error messages when changing to `"type": "module"` in
`package.json`
```
./node_modules/next/dist/build/webpack/loaders/css-loader/src/index.js??ruleSet[1].rules[2].oneOf[8].use[1]!./node_modules/next/dist/build/webpack/loaders/postcss-loader/src/index.js??ruleSet[1].rules[2].oneOf[8].use[2]!./src/styles/index.css
Error [ERR_REQUIRE_ESM]: require() of ES Module /path/to/my/repo/components/postcss.config.js from /path/to/my/repo/components/node_modules/next/dist/lib/find-config.js not supported.
Instead change the require of postcss.config.js in /path/to/my/repo/components/node_modules/next/dist/lib/find-config.js to a dynamic import() which is available in all CommonJS modules.
```
### Why?
Even though PostCSS itself [supports ESM and TypeScript configuration
files](https://github.com/postcss/postcss-load-config/issues/230),
Next.js itself does not (because of `next/lib/find-config`):
- https://github.com/vercel/next.js/issues/34448
### How?
By switching to `.cjs`, the config will stay recognized as CommonJS even
after switching to `"type": "module"` in `package.json`
cc @balazsorban44
---------
Co-authored-by: Sam Ko <sam@vercel.com>
### What?
This PR removes an unnecessary await keyword from the
writeSema.release() call. The release method does not return a promise,
hence awaiting it is not required.
### Why?
Awaiting on writeSema.release() which does not return a promise can lead
to confusion and potentially hinder performance. By removing the await
keyword, the code is simplified and aligns with the intended synchronous
nature of the release method.
### How?
Reviewed the writeSema.release() method implementation to confirm it
does not return a promise.
Removed the await keyword from the writeSema.release() call to ensure
the code correctly reflects the synchronous operation.
Co-authored-by: righthot <righthot@everon.co.kr>
Co-authored-by: Steven <steven@ceriously.com>
### What?
Removing `autoprefixer` from the default Tailwind CSS templates. (It can
be installed afterward)
### Why?
After some investigation by @timneutkens, `autoprefixer` seems to
introduce some compilation overhead
### How?
Removing `autoprefixer` from the auto-installed dependency list, it
would be up to the developer to install this plugin if they need it.
[Slack
thread](https://vercel.slack.com/archives/C04DUD7EB1B/p1695288906722539)
### What?
On windows the .git/* files are read only, when the CNA "import path" script attempts to open one of the .git/* files
### Why?
attempting to open any of the .git/* files results in an error thrown by CNA and CNA exists, hence not finishing the setup of a new project
### How?
My suggested fix uses the fast-glob ignore option to exclude the .git folder, I also moved the the ts(js)config.json exclusion into the ignore (was an "if" before)
- Fixes#61411
- Discussion https://github.com/vercel/next.js/discussions/61261
- Updates `tailwindcss` package
- Fixes classes order based on `eslint-plugin-tailwindcss`
- Remove/updates certain classes that now have shorthands, for example
`lg:h-auto lg:w-auto` is now `lg:size-auto`
- Removes unnecessary curly braces
Co-authored-by: Sam Ko <sam@vercel.com>
## Description
This PR ensures that the default prettier config is used for examples
and templates.
This config is compatible with `prettier@3` as well (upgrading prettier
is bigger change that can be a future PR).
## Changes
- Updated `.prettierrc.json` in root with `"trailingComma": "es5"` (will
be needed upgrading to prettier@3)
- Added `examples/.prettierrc.json` with default config (this will
change every example)
- Added `packages/create-next-app/templates/.prettierrc.json` with
default config (this will change every template)
## Related
- Fixes#54402
- Closes#54409
The PR further reduces the `create-next-app` installation size by
another 80 KiB:
- Replace the callback version of Node.js built-in `dns` API usage with
`dns/promise` + async/await
- Replace `got` w/ `fetch` since Next.js and `create-next-app` now
target Node.js 18.17.0+
- Download and extract the tar.gz file in the memory (without creating
temporary files). This improves the performance.
- Some other minor refinements.
Following these changes, the size of `dist/index.js` is now 536 KiB.
fixes#58640
When there is no tsconfig.json, `npm run dev` generates `tsconfig.json`,
which has no `target` option.
But create-next-app generates `tsconfig.json` with `"target": "es5"`
Related to: #44567
Related to: #14390
### What?
If the version of `autoprefixer` is 10.0.0 and the version of `tailwindcss` is less than 3.3.0, the error `RangeError: Maximum call stack size exceeded` occurs when you create with tailwindcss & typescript and run it.
### Why?
The exact reason is unknown, but it appears to be a compatibility issue. Also, currently configuring tailwindcss with ts makes the tailwind config file in ts, which is supported since tailwindcss version 3.3.0. (In js, it works even if you set the version of `autoprefixer` to 10.0.1 and lower the version of tailwindcss.)
### How?
Simply default the minimum version of `autoprefixer` to 10.0.1 and the minimum version of `tailwindcss` to 3.3.0.
This avoids testing against latest exact canary version as this causes these tests to fail while the publish is still in progress. As a follow-up we can investigate moving this post publish or packing/deploying tarballs to use.
Co-authored-by: Steven <229881+styfle@users.noreply.github.com>
### Reason for making this change
https://yarnpkg.com/getting-started/qa#:~:text=yarn%2Finstall%2Dstate.,your%20workspaces%20all%20over%20again.
In the official documentation of `yarn`, it is stated that `.yarn/install-state.gz` is an optimization file that developer shouldn't ever have to commit. However, currently, when running `create-next-app`, `.yarn/install-state.gz` is being commited.
### Remaining work
I apologize for only modifying one template initially to initiate the discussion first.
If this change is agreed upon, it should be synchronized with other `.gitignore` templates. Would it be possible to follow a similar approach as in https://github.com/vercel/next.js/pull/47241? I would appreciate any assistance in syncing this change.
### What?
This PR is pinning the installed versions of dependencies in `create-next-app`
### Why?
Currently, we write `latest` to `package.json`,
### How?
As far as I can tell, there is no way to update the `package.json` file based on the lockfile (which does have the information needed).
Major versions are bumped less frequently, so this should be fine to update manually.
Other alternatives would be:
- return to the previous way of running `npm i --save` and `npm i --save-dev` instead (ref: #55730). This might be slightly slower than one `npm i` pass though.
- fetch the latest versions of each package from the registry. Might be even slower
NOTE: The user has always the alternative to update the versions to their desired ones afterward.
Fixes#56174
[As of Bun v1.0.0](https://bun.sh/blog/bun-v1.0#changelog-since-v0-8), `bun dev` runs the "dev" script from package.json. Therefore, as with Yarn and pnpm, the "run" command is not necessary.
This PR changes the `create-next-app` README templates to show `bun dev` instead of `bun run dev`.
## For Contributors
### Improving Documentation
- [x] Run `pnpm prettier-fix` to fix formatting issues before opening the PR.
- [x] Read the Docs Contribution Guide to ensure your contribution follows the docs guidelines: https://nextjs.org/docs/community/contribution-guide
### What?
add bun run dev command to template readme for create-next-app
The PR follows #53146 and #53115.
The PR does 3 things:
- Replaces a [very heavy dependency `cpy`](https://github.com/vercel/next.js/pull/53146#issuecomment-1649193789) with a more lightweight copy helper.
- The `fs.cp(src, dest, {recursive: true})` API is not used, as it is still experimental:
<img width="1630" alt="image" src="https://github.com/vercel/next.js/assets/40715044/c61a454a-3a96-4658-a389-fbb68c241f18">
- Update `cross-spawn` to the latest version `7.0.3`
- The only breaking change introduced in `cross-spawn@7.x` is dropping Node.js 8 supports, which allows `cross-spawn` to drop a dependency. Since `create-next-app` requires Node.js 16.8.0, I assume bumping `cross-spawn` would be safe.
- Update `fast-glob` to the latest version `3.3.1` to remove more KiBs (pointed out by @imranbarbhuiya)
- The breaking change introduced in `fast-glob@3.x` is dropping Node.js 8 supports and some options changes.
Together the PR removes another 202 KiB from the `create-next-app/dist/index.js`. The size of `create-next-app/dist/index.js` is now 616 KiB.
<img width="583" alt="image" src="https://github.com/vercel/next.js/assets/40715044/4deb5e36-a63b-4501-b67c-29ea06e30578">
Follows #53115
- Replace `chalk` with `picocolors`
- Note that `chalk.hex('#007acc')` has been replaced with `picocolors.blue`
- Replace `glob` with `fast-glob@2.2.7`
- Not only does `fast-glob` is a faster drop-in replacement of `glob` with first-party `Promise`-based API support, but also `fast-glob` is already a dependency of `cpy`:
<img width="812" alt="image" src="https://github.com/vercel/next.js/assets/40715044/8efa24c4-5312-4b1c-bf8d-68255ca30b60">
Together the PR removes about `50 KiB` from the `create-next-app/dist/index.js`:
<img width="570" alt="image" src="https://github.com/vercel/next.js/assets/40715044/db2f3723-14cc-48ce-9cb2-8aa1fb1d5e95">
Co-authored-by: Steven <229881+styfle@users.noreply.github.com>
This updates our `moduleResolution` to `bundler` as this matches our heuristics much more closely so is more accurate. This shouldn't be a breaking change is it should be compatible with our previous default.
Co-authored-by: JJ Kasper <22380829+ijjk@users.noreply.github.com>
### What?
Fixed a bug that the title of the topmost Docs was unclickable when less than 1024px.
### Why?
This appears to be due to the fact that these clickable elements are overlapped by the logo image wrapper in Next.js, preventing the propagation of click events for these elements.
### How?
To mitigate this problem, this PR assigns a z-index of -1 to the Next.js logo image wrapper. This change ensures the wrapper is placed beneath the clickable elements, thereby preventing it from blocking click events on smaller screens.
#### Before
https://github.com/vercel/next.js/assets/76232929/7b84737d-8a43-4c92-870e-86d08e4eaf74
#### After
https://github.com/vercel/next.js/assets/76232929/648b2e9b-33b5-4905-b10f-03904c1f7529
This pull request adds the missing `Metadata` type declaration to the
root layout of the `create-next-app` templates. The metadata object was
missing its type definition, which has been resolved by adding the
appropriate type import and annotation.
---------
Now that the beta docs have been merged into stable with the release of
13.4, this updates all links as some paths have changed due to
redirects.
---------
Co-authored-by: Steven <steven@ceriously.com>
Co-authored-by: Tobias Koppers <tobias.koppers@googlemail.com>
Co-authored-by: JJ Kasper <jj@jjsweb.site>
## What?
Removes `experimental.appDir` this was leftover from when I flipped the
switch.
Kept the config file as in the future we might add future flags and
such. It also helps that it has the types comment included so you always
get types.
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---------
Co-authored-by: JJ Kasper <jj@jjsweb.site>
This PR updates create-next-app's tailwind config to consider .mdx files
when it generates styles.
If you're using MDX, most of a project's styles are generated by the
other file flags, which can make it tricky to debug/notice the rare
subset from .mdx only.
x-ref: https://vercel.slack.com/archives/C0290CZ3U6Q/p1680976472444189
---------
Co-authored-by: JJ Kasper <jj@jjsweb.site>
### What?
- [x] fixes a bug in the CLI with the combination of `--tailwind` and
`--src-dir` flags.
- [x] fixes Tailwind CSS config when `--src-dir` is set
- [x] respect `NEXT_TEST_SKIP_CLEANUP` in test utils
### Why?
`pnpm create next-app@canary --tailwind --src-dir` should not fail.
### How?
We introduced the `app-tw` and `default-tw` templates, so we need to
respect them when working with files (in this case, the CLI was
erroneously assuming that if `template !== "app"` it must be a pages
template.)
I also noticed that the `tailwind.config.js` file need to also respect
`--src-dir` by prefixing the paths in `content`
Fixes#47236
fix NEXT-838 ([link](https://linear.app/vercel/issue/NEXT-838))
Related: #46927, #47276
---------
Co-authored-by: JJ Kasper <jj@jjsweb.site>
### What?
This PR introduces a new `--tailwind` flag to the `create-next-app` CLI,
to make it easier to bootstrap a Next.js app with Tailwind CSS
pre-configured. This is going to be the **default**. To opt-out of
Tailwind CSS, you can use the `--no-tailwind` flag.
### Why?
Tailwind CSS is one of the most popular styling solutions right now, and
we would like to make it easier to get started.
Currently, the closest you can come to this is by running `pnpm create
next-app -e with-tailwindcss` which will clone the
https://github.com/vercel/next.js/tree/canary/examples/with-tailwindcss
example. But that example is not configured for the App Router. This PR
will let you add Tailwind CSS to both `app/`, `pages/`, and start out
with TypeScript or JavaScript via the CLI prompts.
(Some community feedback
https://twitter.com/dev_jonaskaas/status/1632367991827443713,
https://twitter.com/samselikoff/status/1634662473331617794)
### How?
We are adding 4 new templates to the CLI bundle.
> Note: The styling is not pixel-perfect compared to the current
templates (using CSS modules) to require fewer overrides, but I tried to
match it as close as possible. Here are a few screenshots:
<details>
<summary><b>Current, light</b></summary>
<img
src="https://user-images.githubusercontent.com/18369201/224733372-9dba86fe-9191-471d-ad9f-ab904c47f544.png"/>
</details>
<details>
<summary><b>Tailwind (new), light</b></summary>
<img
src="https://user-images.githubusercontent.com/18369201/224733610-038d9d0f-634d-4b69-b5c2-a5056b56760c.png"/>
</details>
<details>
<summary><b>Current, dark, responsive</b></summary>
<img
src="https://user-images.githubusercontent.com/18369201/224733790-9b4d730c-0336-4dbe-bc10-1cae1d7fd145.png"/>
</details>
<details>
<summary><b>Tailwind (new), dark, responsive</b></summary>
<img
src="https://user-images.githubusercontent.com/18369201/224734375-28384bbc-2c3a-4125-8f29-c102f3b7aa1d.png"/>
</details>
#### For reviewers
This introduces 4 new templates, with a very similar code base to the
original ones. To keep the PR focused, I decided to copy over duplicate
code, but we could potentially create a shared folder for files that are
the same across templates to somewhat reduce the CLI size. Not sure if
it's worth it, let me know. Probably fine for now, but something to
consider if we are adding more permutations in the future.
---
~Work remaining:~
- [x] app+ts
- [x] layout
- [x] dark mode
- [x] media queries
- [x] animations
- [x] app+js
- [x] pages+ts
- [x] pages+js
- [x] prompt/config
- [x] deprecate Tailwind CSS example in favor of CLI
- [x] update docs
- [x] add test
- [x] add [Prettier
plugin](https://github.com/tailwindlabs/prettier-plugin-tailwindcss)
Closes NEXT-772
Related #45814, #44286
fixes#46104
## 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)
---------
Co-authored-by: Wyatt Johnson <accounts+github@wyattjoh.ca>
Fixes#46288
Makes TypeScript behavior match runtime by no longer allowing files to
be imported absolutely relative to project root without using a relative
path or a path alias. This changes behavior introduced in
https://github.com/vercel/next.js/pull/44672 which also added the paths
alias `@/*: ["./*"]`, which works without a baseUrl.
## Bug
- [x] 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)
