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node_modules/postcss-minify-gradients/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.

node_modules/postcss-minify-gradients/README.md

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+# [postcss][postcss]-minify-gradients
+
+> Minify gradient parameters with PostCSS.
+
+## Install
+
+With [npm](https://npmjs.org/package/postcss-minify-gradients) do:
+
+```
+npm install postcss-minify-gradients
+```
+
+
+## Example
+
+Where possible, this module will minify gradient parameters. It can convert
+linear gradient directional syntax to angles, remove the unnecessary `0%` and
+`100%` start and end values, and minimise color stops that use the same length
+values (the browser will adjust the value automatically).
+
+### Input
+
+```css
+h1 {
+    background: linear-gradient(to bottom, #ffe500 0%, #ffe500 50%, #121 50%, #121 100%)
+}
+```
+
+### Output
+
+```css
+h1 {
+    background: linear-gradient(180deg, #ffe500, #ffe500 50%, #121 0, #121)
+}
+```
+
+
+## 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

node_modules/postcss-minify-gradients/package.json

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+{
+  "_from": "postcss-minify-gradients@^5.1.1",
+  "_id": "postcss-minify-gradients@5.1.1",
+  "_inBundle": false,
+  "_integrity": "sha512-VGvXMTpCEo4qHTNSa9A0a3D+dxGFZCYwR6Jokk+/3oB6flu2/PnPXAh2x7x52EkY5xlIHLm+Le8tJxe/7TNhzw==",
+  "_location": "/postcss-minify-gradients",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "postcss-minify-gradients@^5.1.1",
+    "name": "postcss-minify-gradients",
+    "escapedName": "postcss-minify-gradients",
+    "rawSpec": "^5.1.1",
+    "saveSpec": null,
+    "fetchSpec": "^5.1.1"
+  },
+  "_requiredBy": [
+    "/cssnano-preset-default"
+  ],
+  "_resolved": "https://registry.npmjs.org/postcss-minify-gradients/-/postcss-minify-gradients-5.1.1.tgz",
+  "_shasum": "f1fe1b4f498134a5068240c2f25d46fcd236ba2c",
+  "_spec": "postcss-minify-gradients@^5.1.1",
+  "_where": "C:\\Users\\zhouxueli\\Desktop\\scheduling-app\\node_modules\\cssnano-preset-default",
+  "author": {
+    "name": "Ben Briggs",
+    "email": "beneb.info@gmail.com",
+    "url": "http://beneb.info"
+  },
+  "bugs": {
+    "url": "https://github.com/cssnano/cssnano/issues"
+  },
+  "bundleDependencies": false,
+  "dependencies": {
+    "colord": "^2.9.1",
+    "cssnano-utils": "^3.1.0",
+    "postcss-value-parser": "^4.2.0"
+  },
+  "deprecated": false,
+  "description": "Minify gradient parameters with PostCSS.",
+  "devDependencies": {
+    "postcss": "^8.2.15"
+  },
+  "engines": {
+    "node": "^10 || ^12 || >=14.0"
+  },
+  "files": [
+    "LICENSE-MIT",
+    "src",
+    "types"
+  ],
+  "homepage": "https://github.com/cssnano/cssnano",
+  "keywords": [
+    "css",
+    "postcss",
+    "postcss-plugin"
+  ],
+  "license": "MIT",
+  "main": "src/index.js",
+  "name": "postcss-minify-gradients",
+  "peerDependencies": {
+    "postcss": "^8.2.15"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/cssnano/cssnano.git"
+  },
+  "types": "types/index.d.ts",
+  "version": "5.1.1"
+}

node_modules/postcss-minify-gradients/src/index.js

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+'use strict';
+const valueParser = require('postcss-value-parser');
+const { getArguments } = require('cssnano-utils');
+const isColorStop = require('./isColorStop.js');
+
+const angles = {
+  top: '0deg',
+  right: '90deg',
+  bottom: '180deg',
+  left: '270deg',
+};
+
+/**
+ * @param {valueParser.Dimension} a
+ * @param {valueParser.Dimension} b
+ * @return {boolean}
+ */
+function isLessThan(a, b) {
+  return (
+    a.unit.toLowerCase() === b.unit.toLowerCase() &&
+    parseFloat(a.number) >= parseFloat(b.number)
+  );
+}
+/**
+ * @param {import('postcss').Declaration} decl
+ * @return {void}
+ */
+function optimise(decl) {
+  const value = decl.value;
+
+  if (!value) {
+    return;
+  }
+
+  const normalizedValue = value.toLowerCase();
+
+  if (normalizedValue.includes('var(') || normalizedValue.includes('env(')) {
+    return;
+  }
+
+  if (!normalizedValue.includes('gradient')) {
+    return;
+  }
+
+  decl.value = valueParser(value)
+    .walk((node) => {
+      if (node.type !== 'function' || !node.nodes.length) {
+        return false;
+      }
+
+      const lowerCasedValue = node.value.toLowerCase();
+
+      if (
+        lowerCasedValue === 'linear-gradient' ||
+        lowerCasedValue === 'repeating-linear-gradient' ||
+        lowerCasedValue === '-webkit-linear-gradient' ||
+        lowerCasedValue === '-webkit-repeating-linear-gradient'
+      ) {
+        let args = getArguments(node);
+
+        if (
+          node.nodes[0].value.toLowerCase() === 'to' &&
+          args[0].length === 3
+        ) {
+          node.nodes = node.nodes.slice(2);
+          node.nodes[0].value =
+            angles[
+              /** @type {'top'|'right'|'bottom'|'left'}*/ (
+                node.nodes[0].value.toLowerCase()
+              )
+            ];
+        }
+
+        /** @type {valueParser.Dimension | false} */
+        let lastStop;
+
+        args.forEach((arg, index) => {
+          if (arg.length !== 3) {
+            return;
+          }
+
+          let isFinalStop = index === args.length - 1;
+          let thisStop = valueParser.unit(arg[2].value);
+
+          if (lastStop === undefined) {
+            lastStop = thisStop;
+
+            if (
+              !isFinalStop &&
+              lastStop &&
+              lastStop.number === '0' &&
+              lastStop.unit.toLowerCase() !== 'deg'
+            ) {
+              arg[1].value = arg[2].value = '';
+            }
+
+            return;
+          }
+
+          if (lastStop && thisStop && isLessThan(lastStop, thisStop)) {
+            arg[2].value = '0';
+          }
+
+          lastStop = thisStop;
+
+          if (isFinalStop && arg[2].value === '100%') {
+            arg[1].value = arg[2].value = '';
+          }
+        });
+
+        return false;
+      }
+
+      if (
+        lowerCasedValue === 'radial-gradient' ||
+        lowerCasedValue === 'repeating-radial-gradient'
+      ) {
+        let args = getArguments(node);
+        /** @type {valueParser.Dimension | false} */
+        let lastStop;
+
+        const hasAt = args[0].find((n) => n.value.toLowerCase() === 'at');
+
+        args.forEach((arg, index) => {
+          if (!arg[2] || (!index && hasAt)) {
+            return;
+          }
+
+          let thisStop = valueParser.unit(arg[2].value);
+
+          if (!lastStop) {
+            lastStop = thisStop;
+
+            return;
+          }
+
+          if (lastStop && thisStop && isLessThan(lastStop, thisStop)) {
+            arg[2].value = '0';
+          }
+
+          lastStop = thisStop;
+        });
+
+        return false;
+      }
+
+      if (
+        lowerCasedValue === '-webkit-radial-gradient' ||
+        lowerCasedValue === '-webkit-repeating-radial-gradient'
+      ) {
+        let args = getArguments(node);
+        /** @type {valueParser.Dimension | false} */
+        let lastStop;
+
+        args.forEach((arg) => {
+          let color;
+          let stop;
+
+          if (arg[2] !== undefined) {
+            if (arg[0].type === 'function') {
+              color = `${arg[0].value}(${valueParser.stringify(arg[0].nodes)})`;
+            } else {
+              color = arg[0].value;
+            }
+
+            if (arg[2].type === 'function') {
+              stop = `${arg[2].value}(${valueParser.stringify(arg[2].nodes)})`;
+            } else {
+              stop = arg[2].value;
+            }
+          } else {
+            if (arg[0].type === 'function') {
+              color = `${arg[0].value}(${valueParser.stringify(arg[0].nodes)})`;
+            }
+
+            color = arg[0].value;
+          }
+
+          color = color.toLowerCase();
+
+          const colorStop =
+            stop !== undefined
+              ? isColorStop(color, stop.toLowerCase())
+              : isColorStop(color);
+
+          if (!colorStop || !arg[2]) {
+            return;
+          }
+
+          let thisStop = valueParser.unit(arg[2].value);
+
+          if (!lastStop) {
+            lastStop = thisStop;
+
+            return;
+          }
+
+          if (lastStop && thisStop && isLessThan(lastStop, thisStop)) {
+            arg[2].value = '0';
+          }
+
+          lastStop = thisStop;
+        });
+
+        return false;
+      }
+    })
+    .toString();
+}
+/**
+ * @type {import('postcss').PluginCreator<void>}
+ * @return {import('postcss').Plugin}
+ */
+function pluginCreator() {
+  return {
+    postcssPlugin: 'postcss-minify-gradients',
+    OnceExit(css) {
+      css.walkDecls(optimise);
+    },
+  };
+}
+
+pluginCreator.postcss = true;
+module.exports = pluginCreator;

node_modules/postcss-minify-gradients/src/isColorStop.js

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+'use strict';
+const { unit } = require('postcss-value-parser');
+const { colord, extend } = require('colord');
+const namesPlugin = require('colord/plugins/names');
+
+extend([/** @type {any} */ (namesPlugin)]);
+
+/* Code derived from https://github.com/pigcan/is-color-stop */
+
+const lengthUnits = new Set([
+  'PX',
+  'IN',
+  'CM',
+  'MM',
+  'EM',
+  'REM',
+  'POINTS',
+  'PC',
+  'EX',
+  'CH',
+  'VW',
+  'VH',
+  'VMIN',
+  'VMAX',
+  '%',
+]);
+
+/**
+ * @param {string} input
+ * @return {boolean}
+ */
+function isCSSLengthUnit(input) {
+  return lengthUnits.has(input.toUpperCase());
+}
+/**
+ * @param {string|undefined} str
+ * @return {boolean}
+ */
+function isStop(str) {
+  if (str) {
+    let stop = false;
+    const node = unit(str);
+    if (node) {
+      const number = Number(node.number);
+      if (number === 0 || (!isNaN(number) && isCSSLengthUnit(node.unit))) {
+        stop = true;
+      }
+    } else {
+      stop = /^calc\(\S+\)$/g.test(str);
+    }
+    return stop;
+  }
+  return true;
+}
+/**
+ * @param {string} color
+ * @param {string} [stop]
+ * @return {boolean}
+ */
+module.exports = function isColorStop(color, stop) {
+  return colord(color).isValid() && isStop(stop);
+};

node_modules/postcss-minify-gradients/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;
+}

node_modules/postcss-minify-gradients/types/isColorStop.d.ts

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+declare function _exports(color: string, stop?: string | undefined): boolean;
+export = _exports;