Merge remote-tracking branch 'origin/main' into postcss-mixins--intuitive-iguana-9a9abdc286

Author: romainmenke

.github/bin/format-package-json.mjs

@@ -75,10 +75,15 @@ const formatted = {};
 	delete packageJSONInfo.private;
 
 	formatted.engines = {
-		node: '>=18',
+		node: '>=20.19.0',
 	};
 	delete packageJSONInfo.engines;
 
+	// json only package
+	if (formatted.name === '@csstools/css-syntax-patches-for-csstree') {
+		delete formatted.engines;
+	}
+
 	formatted.type = packageJSONInfo.type;
 	delete packageJSONInfo.type;
 }
@@ -103,16 +108,8 @@ const formatted = {};
 	formatted.unpkg = packageJSONInfo.unpkg;
 	delete packageJSONInfo.unpkg;
 
-	if (packageJSONInfo.exports) {
-		formatted.exports = packageJSONInfo.exports;
-		if (packageJSONInfo.exports['.'] && packageJSONInfo.exports['.'].types) {
-			formatted.exports['.'] = {
-				types: packageJSONInfo.exports['.'].types,
-				...formatted.exports['.'],
-			};
-		}
-		delete packageJSONInfo.exports;
-	}
+	formatted.exports = packageJSONInfo.exports;
+	delete packageJSONInfo.exports;
 
 	formatted.files = packageJSONInfo.files;
 	delete packageJSONInfo.files;

.github/workflows/codeql.yml

@@ -4,6 +4,10 @@ on:
   schedule:
     - cron: '0 4 * * 1'
   workflow_dispatch:
+  push:
+    branches:
+    - 'main'
+  pull_request:
 
 defaults:
   run:
@@ -33,14 +37,5 @@ jobs:
         languages: ${{ matrix.language }}
         queries: security-extended
 
-    - name: setup node
-      uses: actions/setup-node@395ad3262231945c25e8478fd5baf05154b1d79f
-      with:
-        node-version: 24
-        cache: 'npm'
-
-    - run: npm ci --ignore-scripts
-    - run: npm run build --workspaces --if-present
-
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@5d4e8d1aca955e8d8589aabd499c5cae939e33c7

.github/workflows/test.yml

@@ -23,7 +23,7 @@ jobs:
       # Enable annotations only for node 24 + ubuntu
       matrix:
         os: [ubuntu-latest]
-        node: [18, 20, 22, 24, 25]
+        node: [20, 22, 24, 25]
         include:
         - os: macos-latest
           node: 24

cli/csstools-cli/CHANGELOG.md

@@ -1,5 +1,20 @@
 # Changes to CSSTools CLI
 
+### 5.0.1
+
+_January 14, 2026_
+
+- Updated [`css-blank-pseudo`](https://github.com/csstools/postcss-plugins/tree/main/plugins/css-blank-pseudo) to [`8.0.1`](https://github.com/csstools/postcss-plugins/tree/main/plugins/css-blank-pseudo/CHANGELOG.md#801) (patch)
+- Updated [`postcss-preset-env`](https://github.com/csstools/postcss-plugins/tree/main/plugin-packs/postcss-preset-env) to [`11.0.1`](https://github.com/csstools/postcss-plugins/tree/main/plugin-packs/postcss-preset-env/CHANGELOG.md#1101) (patch)
+
+### 5.0.0
+
+_January 14, 2026_
+
+- Updated: Support for Node `20.19.0` or later (major).
+- Removed: `commonjs` API. In supported Node versions `require(esm)` will work without needing to make code changes.
+- Updated [`postcss-preset-env`](https://github.com/csstools/postcss-plugins/tree/main/plugin-packs/postcss-preset-env) to [`11.0.0`](https://github.com/csstools/postcss-plugins/tree/main/plugin-packs/postcss-preset-env/CHANGELOG.md#1100) (major)
+
 ### 4.0.25
 
 _January 10, 2026_

cli/csstools-cli/package.json

@@ -1,7 +1,7 @@
 {
 	"name": "@csstools/csstools-cli",
 	"description": "Transform CSS with any plugin from csstools/postcss-plugins",
-	"version": "4.0.25",
+	"version": "5.0.1",
 	"contributors": [
 		{
 			"name": "Antonio Laguna",
@@ -25,69 +25,68 @@
 		}
 	],
 	"engines": {
-		"node": ">=18"
+		"node": ">=20.19.0"
 	},
 	"bin": {
 		"csstools-cli": "dist/cli.cjs"
 	},
-	"types": "dist/cli.d.ts",
 	"files": [
 		"CHANGELOG.md",
 		"LICENSE.md",
 		"README.md",
 		"dist"
 	],
 	"dependencies": {
-		"@csstools/postcss-cascade-layers": "^5.0.2",
-		"@csstools/postcss-color-function": "^4.0.12",
-		"@csstools/postcss-color-mix-function": "^3.0.12",
-		"@csstools/postcss-content-alt-text": "^2.0.8",
-		"@csstools/postcss-exponential-functions": "^2.0.9",
-		"@csstools/postcss-font-format-keywords": "^4.0.0",
-		"@csstools/postcss-gradients-interpolation-method": "^5.0.12",
-		"@csstools/postcss-hwb-function": "^4.0.12",
-		"@csstools/postcss-ic-unit": "^4.0.4",
-		"@csstools/postcss-is-pseudo-class": "^5.0.3",
-		"@csstools/postcss-light-dark-function": "^2.0.11",
-		"@csstools/postcss-logical-float-and-clear": "^3.0.0",
-		"@csstools/postcss-logical-resize": "^3.0.0",
-		"@csstools/postcss-logical-viewport-units": "^3.0.4",
-		"@csstools/postcss-media-minmax": "^2.0.9",
-		"@csstools/postcss-media-queries-aspect-ratio-number-values": "^3.0.5",
-		"@csstools/postcss-nested-calc": "^4.0.0",
-		"@csstools/postcss-normalize-display-values": "^4.0.1",
-		"@csstools/postcss-oklab-function": "^4.0.12",
-		"@csstools/postcss-relative-color-syntax": "^3.0.12",
-		"@csstools/postcss-scope-pseudo-class": "^4.0.1",
-		"@csstools/postcss-stepped-value-functions": "^4.0.9",
-		"@csstools/postcss-text-decoration-shorthand": "^4.0.3",
-		"@csstools/postcss-trigonometric-functions": "^4.0.9",
-		"@csstools/postcss-unset-value": "^4.0.0",
-		"css-blank-pseudo": "^7.0.1",
-		"css-has-pseudo": "^7.0.3",
-		"css-prefers-color-scheme": "^10.0.0",
+		"@csstools/postcss-cascade-layers": "^6.0.0",
+		"@csstools/postcss-color-function": "^5.0.0",
+		"@csstools/postcss-color-mix-function": "^4.0.0",
+		"@csstools/postcss-content-alt-text": "^3.0.0",
+		"@csstools/postcss-exponential-functions": "^3.0.0",
+		"@csstools/postcss-font-format-keywords": "^5.0.0",
+		"@csstools/postcss-gradients-interpolation-method": "^6.0.0",
+		"@csstools/postcss-hwb-function": "^5.0.0",
+		"@csstools/postcss-ic-unit": "^5.0.0",
+		"@csstools/postcss-is-pseudo-class": "^6.0.0",
+		"@csstools/postcss-light-dark-function": "^3.0.0",
+		"@csstools/postcss-logical-float-and-clear": "^4.0.0",
+		"@csstools/postcss-logical-resize": "^4.0.0",
+		"@csstools/postcss-logical-viewport-units": "^4.0.0",
+		"@csstools/postcss-media-minmax": "^3.0.0",
+		"@csstools/postcss-media-queries-aspect-ratio-number-values": "^4.0.0",
+		"@csstools/postcss-nested-calc": "^5.0.0",
+		"@csstools/postcss-normalize-display-values": "^5.0.0",
+		"@csstools/postcss-oklab-function": "^5.0.0",
+		"@csstools/postcss-relative-color-syntax": "^4.0.0",
+		"@csstools/postcss-scope-pseudo-class": "^5.0.0",
+		"@csstools/postcss-stepped-value-functions": "^5.0.0",
+		"@csstools/postcss-text-decoration-shorthand": "^5.0.0",
+		"@csstools/postcss-trigonometric-functions": "^5.0.0",
+		"@csstools/postcss-unset-value": "^5.0.0",
+		"css-blank-pseudo": "^8.0.1",
+		"css-has-pseudo": "^8.0.0",
+		"css-prefers-color-scheme": "^11.0.0",
 		"postcss": "^8.5.6",
-		"postcss-attribute-case-insensitive": "^7.0.1",
-		"postcss-color-functional-notation": "^7.0.12",
-		"postcss-color-hex-alpha": "^10.0.0",
-		"postcss-color-rebeccapurple": "^10.0.0",
-		"postcss-custom-media": "^11.0.6",
-		"postcss-custom-properties": "^14.0.6",
-		"postcss-custom-selectors": "^8.0.5",
-		"postcss-dir-pseudo-class": "^9.0.1",
-		"postcss-double-position-gradients": "^6.0.4",
-		"postcss-focus-visible": "^10.0.1",
-		"postcss-focus-within": "^9.0.1",
-		"postcss-gap-properties": "^6.0.0",
-		"postcss-image-set-function": "^7.0.0",
-		"postcss-lab-function": "^7.0.12",
-		"postcss-logical": "^8.1.0",
-		"postcss-nesting": "^13.0.2",
-		"postcss-overflow-shorthand": "^6.0.0",
-		"postcss-place": "^10.0.0",
-		"postcss-preset-env": "^10.6.1",
-		"postcss-pseudo-class-any-link": "^10.0.1",
-		"postcss-selector-not": "^8.0.1"
+		"postcss-attribute-case-insensitive": "^8.0.0",
+		"postcss-color-functional-notation": "^8.0.0",
+		"postcss-color-hex-alpha": "^11.0.0",
+		"postcss-color-rebeccapurple": "^11.0.0",
+		"postcss-custom-media": "^12.0.0",
+		"postcss-custom-properties": "^15.0.0",
+		"postcss-custom-selectors": "^9.0.0",
+		"postcss-dir-pseudo-class": "^10.0.0",
+		"postcss-double-position-gradients": "^7.0.0",
+		"postcss-focus-visible": "^11.0.0",
+		"postcss-focus-within": "^10.0.0",
+		"postcss-gap-properties": "^7.0.0",
+		"postcss-image-set-function": "^8.0.0",
+		"postcss-lab-function": "^8.0.0",
+		"postcss-logical": "^9.0.0",
+		"postcss-nesting": "^14.0.0",
+		"postcss-overflow-shorthand": "^7.0.0",
+		"postcss-place": "^11.0.0",
+		"postcss-preset-env": "^11.0.1",
+		"postcss-pseudo-class-any-link": "^11.0.0",
+		"postcss-selector-not": "^9.0.0"
 	},
 	"devDependencies": {
 		"@csstools/base-cli": "0.1.0"

e2e-package-managers/yarn/package.json

@@ -5,10 +5,10 @@
 	"description": "Can you use yarn with our plugins?",
 	"devDependencies": {
 		"postcss": "^8.5.6",
-		"postcss-preset-env": "^10.6.0"
+		"postcss-preset-env": "^11.0.1"
 	},
 	"volta": {
 		"extends": "../../package.json",
-		"yarn": "4.0.1"
+		"yarn": "4.12.0"
 	}
 }

e2e/package-lock.json

@@ -1,5 +1,15 @@
 import assert from 'node:assert';
 import plugin from 'postcss-preset-env';
-plugin({ preserve: true });
+plugin({
+    preserve: true,
+    features: {
+        'all-property': [true, { preserve: true }],
+        'any-link-pseudo-class': [false, { preserve: true }],
+        'cascade-layers': ['auto', { onImportLayerRule: 'warn' }],
+        'color-function': { preserve: true, enableProgressiveCustomProperties: false },
+        'color-mix': false,
+        'light-dark-function': true,
+    },
+});
 assert.ok(plugin.postcss, 'should have "postcss flag"');
 assert.equal(typeof plugin, 'function', 'should return a function');

e2e/typescript/esm--node-next/dist/index.js

@@ -1,5 +1,5 @@
 const postcss = require('postcss');
-const postcssPresetEnv = require('postcss-preset-env');
+const postcssPresetEnv = require('postcss-preset-env').default;
 
 try {
 	postcss([postcssPresetEnv({

e2e/webpack/bundle-through/index.cjs

@@ -34,7 +34,7 @@ export default [
 			globals: {
 				...globals.node,
 			},
-			ecmaVersion: 2022,
+			ecmaVersion: 2025,
 			sourceType: 'module',
 		},
 
@@ -71,7 +71,7 @@ export default [
 			globals: {
 				...globals.browser,
 			},
-			ecmaVersion: 2022,
+			ecmaVersion: 2025,
 			sourceType: 'module',
 		},