Here is everything you need to know about this update. Please take a
good look at what changed and the test results before merging this pull
request.
### What changed?
#### ✳️ enhanced-resolve (5.18.1 → 5.18.2) ·
[Repo](https://github.com/webpack/enhanced-resolve)
<details>
<summary>Release Notes</summary>
<h4><a
href="https://github.com/webpack/enhanced-resolve/releases/tag/v5.18.2">5.18.2</a></h4>
<blockquote><h3 dir="auto">Fixes</h3>
<ul dir="auto">
<li>[Types] FileSystem type</li>
</ul></blockquote>
<p><em>Does any of this look wrong? <a
href="https://depfu.com/packages/npm/enhanced-resolve/feedback">Please
let us know.</a></em></p>
</details>
<details>
<summary>Commits</summary>
<p><a
href="9436f4d6d9...0bf45033f4">See
the full diff on Github</a>. The new version differs by 14 commits:</p>
<ul>
<li><a
href="0bf45033f4"><code>chore(release):
5.18.2</code></a></li>
<li><a
href="b2441769bd"><code>fix:
types</code></a></li>
<li><a
href="775f2fb8ed"><code>chore:
migrate to eslint-config-webpack (#453)</code></a></li>
<li><a
href="6df312e9a6"><code>chore:
fix tsconfig (#452)</code></a></li>
<li><a
href="b059bff8ce"><code>ci:
show report</code></a></li>
<li><a
href="c974464f46"><code>chore:
fix</code></a></li>
<li><a
href="29f9405129"><code>chore:
fix small stuff</code></a></li>
<li><a
href="01a04fd898"><code>chore:
refactor dev env</code></a></li>
<li><a
href="66a745681a"><code>ci:
show report</code></a></li>
<li><a
href="3bf44c7a6e"><code>ci:
node v24</code></a></li>
<li><a
href="bbbf6ab5b0"><code>ci:
node v24</code></a></li>
<li><a
href="38e9fd9acb"><code>feat:
export `SyncFileSystem` and `BaseFileSystem` types</code></a></li>
<li><a
href="3c9d4b6d51"><code>chore:
fix generation</code></a></li>
<li><a
href="4918c5b3a4"><code>feat:
export type SyncFileSystem and type BaseFileSystem</code></a></li>
</ul>
</details>
---
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Co-authored-by: depfu[bot] <23717796+depfu[bot]@users.noreply.github.com>
This PR improves the compatibility with Tailwind CSS v4 with unsupported
browsers with the goal to greatly improve compatibility with Safari 15.
To make this work, this PR makes the following changes to all code
- Change `oklab(…)` default theme values to use a percentage in the
first place (so instead of `--color-red-500: oklch(0.637 0.237 25.331);`
we now define it as `--color-red-500: oklch(63.7% 0.237 25.331);` since
this syntax has much broader support on Safari).
- Polyfill `@property` with a `@supports` query targeting older versions
of Safari and Firefox *
- Create fallbacks for the `color-mix(…)` function that use _inlined
color values from your theme_ so that they can be computed a compile
time by `lightningcss`. These fallbacks will convert to srgb to increase
compatibility.
- Create fallbacks for the _relative color_ feature used in the new
shadow utilities and using `color-mix(…)` in case _relative color_ is
applied on `currentcolor` (due to limited browser support)
- Create fallbacks for gradient interpolation methods (e.g. to support
`bg-linear-to-r/oklab`)
- Polyfill `@media` queries range syntax.
## A simplified example
Given this example CSS input:
```css
@import 'tailwindcss';
@source inline('from-cyan-500/50 bg-linear-45');
```
Here's the updated output CSS including the newly added polyfills and
updated `oklab` values:
```css
.bg-linear-45 {
--tw-gradient-position: 45deg;
background-image: linear-gradient(var(--tw-gradient-stops));
}
@supports (background-image: linear-gradient(in lab, red, red)) {
.bg-linear-45 {
--tw-gradient-position: 45deg in oklab;
}
}
.from-cyan-500\\/50 {
--tw-gradient-from: oklab(71.5% -.11682 -.08247 / .5);
--tw-gradient-stops: var(--tw-gradient-via-stops, var(--tw-gradient-position), var(--tw-gradient-from) var(--tw-gradient-from-position), var(--tw-gradient-to) var(--tw-gradient-to-position));
}
@supports (color: color-mix(in lab, red, red)) {
.from-cyan-500\\/50 {
--tw-gradient-from: color-mix(in oklab, var(--color-cyan-500) 50%, transparent);
}
}
:root, :host {
--color-cyan-500: oklch(71.5% .143 215.221);
}
@supports (((-webkit-hyphens: none)) and (not (margin-trim: 1lh))) or ((-moz-orient: inline) and (not (color: rgb(from red r g b)))) {
@layer base {
*, :before, :after, ::backdrop {
--tw-gradient-position: initial;
--tw-gradient-from: #0000;
--tw-gradient-via: #0000;
--tw-gradient-to: #0000;
--tw-gradient-stops: initial;
--tw-gradient-via-stops: initial;
--tw-gradient-from-position: 0%;
--tw-gradient-via-position: 50%;
--tw-gradient-to-position: 100%;
}
}
}
@property --tw-gradient-position {
syntax: "*";
inherits: false
}
@property --tw-gradient-from {
syntax: "<color>";
inherits: false;
initial-value: #0000;
}
@property --tw-gradient-via {
syntax: "<color>";
inherits: false;
initial-value: #0000;
}
@property --tw-gradient-to {
syntax: "<color>";
inherits: false;
initial-value: #0000;
}
@property --tw-gradient-stops {
syntax: "*";
inherits: false
}
@property --tw-gradient-via-stops {
syntax: "*";
inherits: false
}
@property --tw-gradient-from-position {
syntax: "<length-percentage>";
inherits: false;
initial-value: 0%;
}
@property --tw-gradient-via-position {
syntax: "<length-percentage>";
inherits: false;
initial-value: 50%;
}
@property --tw-gradient-to-position {
syntax: "<length-percentage>";
inherits: false;
initial-value: 100%;
}
```
## \* A note on `@property` polyfills and CSS modules
On Next.js, CSS module files are required to be _pure_, meaning that all
selectors must either be scoped to a class or an ID. Fortunatnyl for us,
this does not apply to `@property` rules which we've been using before
to initialize CSS variables.
However, since we're now bringing back the `@property` polyfills, that
would cause unexpected rules to be exported from the CSS file as this:
```css
@reference "tailwindcss";
.skew {
@apply skew-7;
}
```
Would turn to the following file:
```css
.skew {
/* … */
}
@supports (/*…*/) {
@layer base {
*, :before, :after, ::backdrop {
--tw-gradient-position: initial;
}
}
}
@property /* … */
```
Notice that this adds a `*` selector which is not considered pure.
Unfortunately there is no way for us to silence this warning or work
around it, as the dependency causing this errors
([`postcss-modules-local-by-default`](https://github.com/css-modules/postcss-modules-local-by-default))
is bundled into Next.js. To work around crashes, these polyfills will
not apply to CSS modules processed by the PostCSS extension for now.
## Testing on tailwindcss.com
To see the changes in effect, take a look at this screencast that
compares tailwindcss.com on iOS 15.5 with a version that has the patches
of this PR applied:
https://github.com/user-attachments/assets/1279d6f5-3c63-4f30-839c-198a789f4292
## Test plan
- Tested on tailwindcss.com via a preview build:
https://tailwindcss-com-git-legacy-browsers-tailwindlabs.vercel.app/
- Updated tests
- Ensure we also test on Chrome 111, Safari 16.4, Firefox 128 to
make sure we have no regressions. Also tested on Safari 16.4, 15.5, 18.0
Prepare the 4.0.16 release.
~~Also added a commit to mark the `--value('…')` and `--modifier('…')`
with literals strings as an experimental feature (aka not shipped in
this PR). But we can revert that commit if we still want to ship it in
4.0.16 instead of 4.1.~~
---------
Co-authored-by: Philipp Spiess <hello@philippspiess.com>
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-->
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to the documentation.
https://github.com/tailwindcss/tailwindcss/blob/master/.github/CONTRIBUTING.md
-->
---------
Co-authored-by: Adam Wathan <adam.wathan@gmail.com>
This PR fixes an issue where installing a specific version of
`@tailwindcss/postcss` and `tailwindcss` could still result in a version
mismatch. This is because we were relying on `^4.0.6` for example
instead of `4.0.6`.
This PR now pins all these versions to prevent this:
```
❯ pnpm why tailwindcss
devDependencies:
@tailwindcss/postcss 4.0.5
├─┬ @tailwindcss/node 4.0.6
│ └── tailwindcss 4.0.6
└── tailwindcss 4.0.5
```
<!--
👋 Hey, thanks for your interest in contributing to Tailwind!
**Please ask first before starting work on any significant new
features.**
It's never a fun experience to have your pull request declined after
investing a lot of time and effort into a new feature. To avoid this
from happening, we request that contributors create an issue to first
discuss any significant new features. This includes things like adding
new utilities, creating new at-rules, or adding new component examples
to the documentation.
https://github.com/tailwindcss/tailwindcss/blob/master/.github/CONTRIBUTING.md
-->
---------
Co-authored-by: Adam Wathan <4323180+adamwathan@users.noreply.github.com>
Here is everything you need to know about this update. Please take a
good look at what changed and the test results before merging this pull
request.
### What changed?
#### ✳️ enhanced-resolve (5.17.1 → 5.18.0) ·
[Repo](https://github.com/webpack/enhanced-resolve)
<details>
<summary>Release Notes</summary>
<h4><a
href="https://github.com/webpack/enhanced-resolve/releases/tag/v5.18.0">5.18.0</a></h4>
<blockquote><h3 dir="auto">Features</h3>
<ul dir="auto">
<li>Added wildcards support for aliases</li>
</ul></blockquote>
<p><em>Does any of this look wrong? <a
href="https://depfu.com/packages/npm/enhanced-resolve/feedback">Please
let us know.</a></em></p>
</details>
<details>
<summary>Commits</summary>
<p><a
href="247edebc90...27e457a905">See
the full diff on Github</a>. The new version differs by 9 commits:</p>
<ul>
<li><a
href="27e457a905"><code>chore(release):
5.18.0</code></a></li>
<li><a
href="88ceebe3cc"><code>feat:
add wildcards support for aliases</code></a></li>
<li><a
href="35b67ce834"><code>feat:
add wildcards</code></a></li>
<li><a
href="4fbcfa1c83"><code>chore(deps):
bump cross-spawn from 7.0.3 to 7.0.6</code></a></li>
<li><a
href="572a54f0c6"><code>chore(deps):
bump cross-spawn from 7.0.3 to 7.0.6</code></a></li>
<li><a
href="af4e2fb155"><code>ci:
add Node.js v23</code></a></li>
<li><a
href="bf443c04ac"><code>ci:
add Node.js v23</code></a></li>
<li><a
href="72999caf00"><code>chore(deps):
bump micromatch from 4.0.5 to 4.0.8</code></a></li>
<li><a
href="fbee162cc2"><code>chore(deps):
bump micromatch from 4.0.5 to 4.0.8</code></a></li>
</ul>
</details>
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Co-authored-by: depfu[bot] <23717796+depfu[bot]@users.noreply.github.com>
We noticed that in the current alpha 34 release, the `package.json` file
of the `@tailwindcss/node` package only defines `tailwindcss` as a dev
dependency. This makes it very easy for version mismatches to happen
when a v3 version (or an earlier v4 alpha for that matter) was installed
in the same project:
```json
{
"name": "@tailwindcss/node",
"version": "4.0.0-alpha.34",
"description": "A utility-first CSS framework for rapidly building custom user interfaces.",
"license": "MIT",
"repository": {
"type": "git",
"url": "https://github.com/tailwindlabs/tailwindcss.git",
"directory": "packages/@tailwindcss-node"
},
"bugs": "https://github.com/tailwindlabs/tailwindcss/issues",
"homepage": "https://tailwindcss.com",
"files": [
"dist/"
],
"publishConfig": {
"provenance": true,
"access": "public"
},
"exports": {
".": {
"types": "./dist/index.d.ts",
"import": "./dist/index.mjs",
"require": "./dist/index.js"
},
"./require-cache": {
"types": "./dist/require-cache.d.ts",
"default": "./dist/require-cache.js"
},
"./esm-cache-loader": {
"types": "./dist/esm-cache.loader.d.mts",
"default": "./dist/esm-cache.loader.mjs"
}
},
"devDependencies": {
"tailwindcss": "4.0.0-alpha.34"
},
"dependencies": {
"enhanced-resolve": "^5.17.1",
"jiti": "^2.0.0-beta.3"
},
"scripts": {
"build": "tsup-node",
"dev": "pnpm run build -- --watch"
}
}
```
Furthermore, we were trying to fix issues where our integration test
setup could not install `tailwindcss@3` because of how we did pnpm
overrides.
This PR fixes this by:
- Ensuring every client that calls into `tailwindcss` core marks it as a
version-pinned dependency. You are still required to install
`tailwindcss` in your project along side a client (e.g.
`@tailwindcss/vite`) but we now only use your installed version for
importing the respective `.css` files. For the core logic, we are now
requiring each package to use `tailwindcss` at the same version. This
should help resolve issues like
https://github.com/tailwindlabs/tailwindcss/discussions/14652
- We tried to eliminate the dependency on `tailwindcss` from the
`@tailwindcss/upgrade` package. Unfortunately this is not possible to do
right now because we need to load the CSS files from v4 to create the
right environment. In a future version we could bundle the required CSS
files with `@tailwidncss/upgrade` but it doesn't seem necessary for now.
- We then changed our integration test overrides to only override the
`tailwindcss` package that are dependencies of the known list of
packages that we have `tailwindcss` dependencies on: `@tailwindcss/node`
and `@tailwindcss/upgrade`. This ensures that we can install v3 of
`tailwindcss` in the integration tests and it will work. Something we
want to do for some upgrade tests.
# Test plan
Integration work again. Furthermore we added a quick setup with the CLI
using the local tarballs and ensured it works:
```bash
pnpm init
pnpm install ../../tailwindcss/dist/tailwindcss-cli.tgz
pnpm install ../../tailwindcss/dist/tailwindcss.tgz
echo '@import "tailwindcss";' > index.css
echo '<div class="underline"></div>' > index.html
pnpm tailwindcss -i index.css -o out.css
cat out.css
```
