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app_vue/node_modules/postcss-discard-empty/LICENSE-MIT

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+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.

app_vue/node_modules/postcss-discard-empty/README.md

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+# [postcss][postcss]-discard-empty
+
+> Discard empty rules and values with PostCSS.
+
+## Install
+
+With [npm](https://npmjs.org/package/postcss-discard-empty) do:
+
+```
+npm install postcss-discard-empty --save
+```
+
+## Example
+
+For more examples see the [tests](src/__tests__/index.js).
+
+### Input
+
+```css
+@font-face;
+h1 {}
+{color:blue}
+h2 {color:}
+h3 {color:red}
+```
+
+### Output
+
+```css
+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

app_vue/node_modules/postcss-discard-empty/package.json

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+{
+  "name": "postcss-discard-empty",
+  "version": "5.1.1",
+  "description": "Discard empty rules and values with PostCSS.",
+  "main": "src/index.js",
+  "types": "types/index.d.ts",
+  "files": [
+    "src",
+    "LICENSE-MIT",
+    "types"
+  ],
+  "keywords": [
+    "compress",
+    "css",
+    "empty",
+    "minify",
+    "optimisation",
+    "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",
+  "bugs": {
+    "url": "https://github.com/cssnano/cssnano/issues"
+  },
+  "engines": {
+    "node": "^10 || ^12 || >=14.0"
+  },
+  "devDependencies": {
+    "postcss": "^8.2.15"
+  },
+  "peerDependencies": {
+    "postcss": "^8.2.15"
+  },
+  "readme": "# [postcss][postcss]-discard-empty\n\n> Discard empty rules and values with PostCSS.\n\n## Install\n\nWith [npm](https://npmjs.org/package/postcss-discard-empty) do:\n\n```\nnpm install postcss-discard-empty --save\n```\n\n## Example\n\nFor more examples see the [tests](src/__tests__/index.js).\n\n### Input\n\n```css\n@font-face;\nh1 {}\n{color:blue}\nh2 {color:}\nh3 {color:red}\n```\n\n### Output\n\n```css\nh3 {color:red}\n```\n\n## Usage\n\nSee the [PostCSS documentation](https://github.com/postcss/postcss#usage) for\nexamples for your environment.\n\n\n## Contributors\n\nSee [CONTRIBUTORS.md](https://github.com/cssnano/cssnano/blob/master/CONTRIBUTORS.md).\n\n\n## License\n\nMIT © [Ben Briggs](http://beneb.info)\n\n\n[postcss]: https://github.com/postcss/postcss\n"
+}

app_vue/node_modules/postcss-discard-empty/src/index.js

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+'use strict';
+const plugin = 'postcss-discard-empty';
+/**
+ * @param {import('postcss').Root} css
+ * @param {import('postcss').Result} result
+ * @return {void}
+ */
+function discardAndReport(css, result) {
+  /**
+   * @param {import('postcss').AnyNode} node
+   * @return {void}
+   */
+  function discardEmpty(node) {
+    const { type } = node;
+    /** @type {(import('postcss').ChildNode | import('postcss').ChildProps)[] | undefined} */
+    const sub = /** @type {any} */ (node).nodes;
+    if (sub) {
+      /** @type {import('postcss').Container} */ (node).each(discardEmpty);
+    }
+
+    if (
+      (type === 'decl' && !node.value && !node.prop.startsWith('--')) ||
+      (type === 'rule' && !node.selector) ||
+      (sub && !sub.length) ||
+      (type === 'atrule' &&
+        ((!sub && !node.params) ||
+          (!node.params &&
+            !(/** @type {import('postcss').ChildNode[]}*/ (sub).length))))
+    ) {
+      node.remove();
+
+      result.messages.push({
+        type: 'removal',
+        plugin,
+        node,
+      });
+    }
+  }
+
+  css.each(discardEmpty);
+}
+
+/**
+ * @type {import('postcss').PluginCreator<void>}
+ * @return {import('postcss').Plugin}
+ */
+function pluginCreator() {
+  return {
+    postcssPlugin: plugin,
+    OnceExit(css, { result }) {
+      discardAndReport(css, result);
+    },
+  };
+}
+
+pluginCreator.postcss = true;
+module.exports = pluginCreator;

app_vue/node_modules/postcss-discard-empty/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;
+}