5 files changed, 176 insertions, 0 deletions
diff --git a/node_modules/postcss-unique-selectors/LICENSE-MIT b/node_modules/postcss-unique-selectors/LICENSE-MIT
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+++ b/node_modules/postcss-unique-selectors/LICENSE-MIT
@@ -0,0 +1,22 @@
+Copyright (c) Ben Briggs <beneb.info@gmail.com> (http://beneb.info)
+
+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, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+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/postcss-unique-selectors/README.md b/node_modules/postcss-unique-selectors/README.md
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+++ b/node_modules/postcss-unique-selectors/README.md
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+# [postcss][postcss]-unique-selectors
+
+> Ensure CSS selectors are unique.
+
+## Install
+
+With [npm](https://npmjs.org/package/postcss-unique-selectors) do:
+
+```
+npm install postcss-unique-selectors --save
+```
+
+## Example
+
+Selectors are sorted naturally, and deduplicated:
+
+### Input
+
+```css
+h1,h3,h2,h1 {
+    color: red
+}
+```
+
+### Output
+
+```css
+h1,h2,h3 {
+    color: red
+}
+```
+
+## Usage
+
+See the [PostCSS documentation](https://github.com/postcss/postcss#usage) for
+examples for your environment.
+
+## Contributors
+
+See [CONTRIBUTORS.md](https://github.com/cssnano/cssnano/blob/master/CONTRIBUTORS.md).
+
+## License
+
+MIT © [Ben Briggs](http://beneb.info)
+
+[postcss]: https://github.com/postcss/postcss
diff --git a/node_modules/postcss-unique-selectors/package.json b/node_modules/postcss-unique-selectors/package.json
new file mode 100644
index 00000000..4c93b3a3
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+++ b/node_modules/postcss-unique-selectors/package.json
@@ -0,0 +1,40 @@
+{
+  "name": "postcss-unique-selectors",
+  "version": "6.0.0",
+  "description": "Ensure CSS selectors are unique.",
+  "main": "src/index.js",
+  "types": "types/index.d.ts",
+  "files": [
+    "LICENSE-MIT",
+    "src",
+    "types"
+  ],
+  "keywords": [
+    "css",
+    "postcss",
+    "postcss-plugin"
+  ],
+  "license": "MIT",
+  "homepage": "https://github.com/cssnano/cssnano",
+  "author": {
+    "name": "Ben Briggs",
+    "email": "beneb.info@gmail.com",
+    "url": "http://beneb.info"
+  },
+  "repository": "cssnano/cssnano",
+  "dependencies": {
+    "postcss-selector-parser": "^6.0.5"
+  },
+  "bugs": {
+    "url": "https://github.com/cssnano/cssnano/issues"
+  },
+  "engines": {
+    "node": "^14 || ^16 || >=18.0"
+  },
+  "devDependencies": {
+    "postcss": "^8.2.15"
+  },
+  "peerDependencies": {
+    "postcss": "^8.2.15"
+  }
+}
+\ No newline at end of file
diff --git a/node_modules/postcss-unique-selectors/src/index.js b/node_modules/postcss-unique-selectors/src/index.js
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+++ b/node_modules/postcss-unique-selectors/src/index.js
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+'use strict';
+const selectorParser = require('postcss-selector-parser');
+
+/**
+ * @param {string} selectors
+ * @param {selectorParser.SyncProcessor<void>} callback
+ * @return {string}
+ */
+function parseSelectors(selectors, callback) {
+  return selectorParser(callback).processSync(selectors);
+}
+
+/**
+ * @param {import('postcss').Rule} rule
+ * @return {string}
+ */
+function unique(rule) {
+  const selector = [...new Set(rule.selectors)];
+  selector.sort();
+  return selector.join();
+}
+
+/**
+ * @type {import('postcss').PluginCreator<void>}
+ * @return {import('postcss').Plugin}
+ */
+function pluginCreator() {
+  return {
+    postcssPlugin: 'postcss-unique-selectors',
+    OnceExit(css) {
+      css.walkRules((nodes) => {
+        /** @type {string[]} */
+        let comments = [];
+        /** @type {selectorParser.SyncProcessor<void>} */
+        const removeAndSaveComments = (selNode) => {
+          selNode.walk((sel) => {
+            if (sel.type === 'comment') {
+              comments.push(sel.value);
+              sel.remove();
+              return;
+            } else {
+              return;
+            }
+          });
+        };
+        if (nodes.raws.selector && nodes.raws.selector.raw) {
+          parseSelectors(nodes.raws.selector.raw, removeAndSaveComments);
+          nodes.raws.selector.raw = unique(nodes);
+        }
+        nodes.selector = parseSelectors(nodes.selector, removeAndSaveComments);
+        nodes.selector = unique(nodes);
+        nodes.selectors = nodes.selectors.concat(comments);
+      });
+    },
+  };
+}
+
+pluginCreator.postcss = true;
+module.exports = pluginCreator;
diff --git a/node_modules/postcss-unique-selectors/types/index.d.ts b/node_modules/postcss-unique-selectors/types/index.d.ts
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index 00000000..d2beadb6
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+++ b/node_modules/postcss-unique-selectors/types/index.d.ts
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+export = pluginCreator;
+/**
+ * @type {import('postcss').PluginCreator<void>}
+ * @return {import('postcss').Plugin}
+ */
+declare function pluginCreator(): import('postcss').Plugin;
+declare namespace pluginCreator {
+    const postcss: true;
+}