7 files changed, 141 insertions, 0 deletions
diff --git a/node_modules/@csstools/utilities/CHANGELOG.md b/node_modules/@csstools/utilities/CHANGELOG.md
new file mode 100644
index 00000000..ebf1f2a9
--- /dev/null
+++ b/node_modules/@csstools/utilities/CHANGELOG.md
@@ -0,0 +1,7 @@
+# Changes to Utilities
+
+### 1.0.0
+
+_February 19, 2024_
+
+- Initial version
diff --git a/node_modules/@csstools/utilities/LICENSE.md b/node_modules/@csstools/utilities/LICENSE.md
new file mode 100644
index 00000000..e8ae93b9
--- /dev/null
+++ b/node_modules/@csstools/utilities/LICENSE.md
@@ -0,0 +1,18 @@
+MIT No Attribution (MIT-0)
+
+Copyright © CSSTools Contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the “Software”), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/node_modules/@csstools/utilities/README.md b/node_modules/@csstools/utilities/README.md
new file mode 100644
index 00000000..67a1b35b
--- /dev/null
+++ b/node_modules/@csstools/utilities/README.md
@@ -0,0 +1,25 @@
+# Utilities
+
+[<img alt="npm version" src="https://img.shields.io/npm/v/@csstools/utilities.svg" height="20">][npm-url]
+[<img alt="Build Status" src="https://github.com/csstools/postcss-plugins/workflows/test/badge.svg" height="20">][cli-url]
+[<img alt="Discord" src="https://shields.io/badge/Discord-5865F2?logo=discord&logoColor=white">][discord]
+
+Helpers that we use in many PostCSS plugins.
+
+## API
+
+[Read the API docs](./docs/utilities.md)
+
+## Usage
+
+Add [Utilities] to your project:
+
+```bash
+npm install @csstools/utilities --save-dev
+```
+
+[cli-url]: https://github.com/csstools/postcss-plugins/actions/workflows/test.yml?query=workflow/test
+[discord]: https://discord.gg/bUadyRwkJS
+[npm-url]: https://www.npmjs.com/package/@csstools/utilities
+
+[Utilities]: https://github.com/csstools/postcss-plugins/tree/main/packages/utilities
diff --git a/node_modules/@csstools/utilities/dist/index.cjs b/node_modules/@csstools/utilities/dist/index.cjs
new file mode 100644
index 00000000..5b60709f
--- /dev/null
+++ b/node_modules/@csstools/utilities/dist/index.cjs
@@ -0,0 +1 @@
+"use strict";exports.hasFallback=function hasFallback(t){const e=t.parent;if(!e)return!1;const r=t.prop.toLowerCase(),s=e.index(t);for(let t=0;t<s;t++){const s=e.nodes[t];if("decl"===s.type&&s.prop.toLowerCase()===r)return!0}return!1},exports.hasSupportsAtRuleAncestor=function hasSupportsAtRuleAncestor(t,e){let r=t.parent;for(;r;)if("atrule"===r.type&&"supports"===r.name.toLowerCase()){if(e.test(r.params))return!0;r=r.parent}else r=r.parent;return!1};
diff --git a/node_modules/@csstools/utilities/dist/index.d.ts b/node_modules/@csstools/utilities/dist/index.d.ts
new file mode 100644
index 00000000..f1610688
--- /dev/null
+++ b/node_modules/@csstools/utilities/dist/index.d.ts
@@ -0,0 +1,24 @@
+import type { Declaration } from 'postcss';
+import type { Node } from 'postcss';
+
+/**
+ * Check if a declaration has a fallback.
+ * Returns true if a declaration with the same property name appears before the current declaration.
+ *
+ * @param {Declaration} node The declaration node to check
+ * @returns {boolean} Whether the declaration has a fallback
+ */
+export declare function hasFallback(node: Declaration): boolean;
+
+/**
+ * Check if a node has a `@supports` at-rule ancestor with a given regex in its params.
+ *
+ * @param {Node} node The node to check
+ * @param {{ test(str: string): boolean }} predicate The test to match against the `@supports` at-rule's params
+ * @returns {boolean}
+ */
+export declare function hasSupportsAtRuleAncestor(node: Node, predicate: {
+    test(str: string): boolean;
+}): boolean;
+
+export { }
diff --git a/node_modules/@csstools/utilities/dist/index.mjs b/node_modules/@csstools/utilities/dist/index.mjs
new file mode 100644
index 00000000..282f9708
--- /dev/null
+++ b/node_modules/@csstools/utilities/dist/index.mjs
@@ -0,0 +1 @@
+function hasFallback(e){const t=e.parent;if(!t)return!1;const r=e.prop.toLowerCase(),o=t.index(e);for(let e=0;e<o;e++){const o=t.nodes[e];if("decl"===o.type&&o.prop.toLowerCase()===r)return!0}return!1}function hasSupportsAtRuleAncestor(e,t){let r=e.parent;for(;r;)if("atrule"===r.type&&"supports"===r.name.toLowerCase()){if(t.test(r.params))return!0;r=r.parent}else r=r.parent;return!1}export{hasFallback,hasSupportsAtRuleAncestor};
diff --git a/node_modules/@csstools/utilities/package.json b/node_modules/@csstools/utilities/package.json
new file mode 100644
index 00000000..cc5a9de3
--- /dev/null
+++ b/node_modules/@csstools/utilities/package.json
@@ -0,0 +1,65 @@
+{
+	"name": "@csstools/utilities",
+	"description": "Utilities for PostCSS plugins",
+	"version": "1.0.0",
+	"contributors": [
+		{
+			"name": "Antonio Laguna",
+			"email": "antonio@laguna.es",
+			"url": "https://antonio.laguna.es"
+		},
+		{
+			"name": "Romain Menke",
+			"email": "romainmenke@gmail.com"
+		}
+	],
+	"license": "MIT-0",
+	"funding": [
+		{
+			"type": "github",
+			"url": "https://github.com/sponsors/csstools"
+		},
+		{
+			"type": "opencollective",
+			"url": "https://opencollective.com/csstools"
+		}
+	],
+	"engines": {
+		"node": "^14 || ^16 || >=18"
+	},
+	"type": "module",
+	"main": "dist/index.cjs",
+	"module": "dist/index.mjs",
+	"exports": {
+		".": {
+			"import": {
+				"types": "./dist/index.d.ts",
+				"default": "./dist/index.mjs"
+			},
+			"require": {
+				"default": "./dist/index.cjs"
+			}
+		}
+	},
+	"files": [
+		"CHANGELOG.md",
+		"LICENSE.md",
+		"README.md",
+		"dist"
+	],
+	"peerDependencies": {
+		"postcss": "^8.4"
+	},
+	"homepage": "https://github.com/csstools/postcss-plugins/tree/main/packages/utilities#readme",
+	"repository": {
+		"type": "git",
+		"url": "https://github.com/csstools/postcss-plugins.git",
+		"directory": "packages/utilities"
+	},
+	"bugs": "https://github.com/csstools/postcss-plugins/issues",
+	"keywords": [
+		"helpers",
+		"postcss",
+		"utilities"
+	]
+}