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frontend/node_modules/postcss-browser-comments/CHANGELOG.md

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+# Changes to PostCSS Browser Comments
+
+### 4.0.0 (April 28, 2021)
+
+- Updated: PostCSS 8 compatibility (major)
+
+### 3.0.0 (May 24, 2019)
+
+- Updated: Node 8+ compatibility (major)
+
+### 2.0.0 (September 6, 2018)
+
+- Update to PostCSS 7.0.2 (major)
+- Update to browserslist 4.1.1 (major)
+
+### 1.0.0 (June 15, 2018)
+
+- Initial version

frontend/node_modules/postcss-browser-comments/LICENSE.md

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+# CC0 1.0 Universal
+
+## Statement of Purpose
+
+The laws of most jurisdictions throughout the world automatically confer
+exclusive Copyright and Related Rights (defined below) upon the creator and
+subsequent owner(s) (each and all, an “owner”) of an original work of
+authorship and/or a database (each, a “Work”).
+
+Certain owners wish to permanently relinquish those rights to a Work for the
+purpose of contributing to a commons of creative, cultural and scientific works
+(“Commons”) that the public can reliably and without fear of later claims of
+infringement build upon, modify, incorporate in other works, reuse and
+redistribute as freely as possible in any form whatsoever and for any purposes,
+including without limitation commercial purposes. These owners may contribute
+to the Commons to promote the ideal of a free culture and the further
+production of creative, cultural and scientific works, or to gain reputation or
+greater distribution for their Work in part through the use and efforts of
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+
+For these and/or other purposes and motivations, and without any expectation of
+additional consideration or compensation, the person associating CC0 with a
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+
+1. Copyright and Related Rights. A Work made available under CC0 may be
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+   to, the following:
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+      European Parliament and of the Council of 11 March 1996 on the legal
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+   7. other similar, equivalent or corresponding rights throughout the world
+      based on applicable law or treaty, and any national implementations
+      thereof.
+
+2. Waiver. To the greatest extent permitted by, but not in contravention of,
+   applicable law, Affirmer hereby overtly, fully, permanently, irrevocably and
+   unconditionally waives, abandons, and surrenders all of Affirmer’s Copyright
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+   enjoyment of the Work by the public as contemplated by Affirmer’s express
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+
+3. Public License Fallback. Should any part of the Waiver for any reason be
+   judged legally invalid or ineffective under applicable law, then the Waiver
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+   Affirmer’s express Statement of Purpose. In addition, to the extent the
+   Waiver is so judged Affirmer hereby grants to each affected person a
+   royalty-free, non transferable, non sublicensable, non exclusive,
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+   extensions), (iii) in any current or future medium and for any number of
+   copies, and (iv) for any purpose whatsoever, including without limitation
+   commercial, advertising or promotional purposes (the “License”). The License
+   shall be deemed effective as of the date CC0 was applied by Affirmer to the
+   Work. Should any part of the License for any reason be judged legally
+   invalid or ineffective under applicable law, such partial invalidity or
+   ineffectiveness shall not invalidate the remainder of the License, and in
+   such case Affirmer hereby affirms that he or she will not (i) exercise any
+   of his or her remaining Copyright and Related Rights in the Work or (ii)
+   assert any associated claims and causes of action with respect to the Work,
+   in either case contrary to Affirmer’s express Statement of Purpose.
+
+4. Limitations and Disclaimers.
+   1. No trademark or patent rights held by Affirmer are waived, abandoned,
+      surrendered, licensed or otherwise affected by this document.
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+http://creativecommons.org/publicdomain/zero/1.0/.

frontend/node_modules/postcss-browser-comments/README.md

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+# PostCSS Browser Comments [<img src="https://postcss.github.io/postcss/logo.svg" alt="PostCSS" width="90" height="90" align="right">][postcss]
+
+[![NPM Version][npm-img]][npm-url]
+[![Build Status][cli-img]][cli-url]
+[![Support Chat][git-img]][git-url]
+
+[PostCSS Browser Comments] lets you keep only the CSS you need based on
+comments and your [browserslist].
+
+```css
+/**
+ * Prevent adjustments of font size after orientation changes in IE and iOS.
+ */
+
+html {
+  -ms-text-size-adjust: 100%;
+  -webkit-text-size-adjust: 100%;
+}
+```
+
+The comment and rule above would be removed with the following browserslist:
+
+```yml
+last 2 chrome versions
+```
+
+The rule below would be more carefully altered:
+
+```css
+/**
+ * 1. Add the correct box sizing in Firefox.
+ * 2. Show the overflow in Edge and IE.
+ */
+
+hr {
+  box-sizing: content-box; /* 1 */
+  height: 0; /* 1 */
+  overflow: visible; /* 2 */
+}
+
+/* with a `last 2 firefox versions` browserslist becomes */
+
+/**
+ * 1. Add the correct box sizing in Firefox.
+ * 2. Show the overflow in Edge and IE.
+ */
+
+hr {
+  box-sizing: content-box; /* 1 */
+  height: 0; /* 1 */
+}
+```
+
+---
+
+[PostCSS Browser Comments] can remove rules based upon the comment above them,
+or it can remove declarations using numbered comments that reference the rule
+above them. In the later case, when all of the numbered comments are removed,
+then the entire rule and comment are also removed.
+
+## Usage
+
+Add [PostCSS Browser Comments] to your project:
+
+```bash
+npm install postcss postcss-browser-comments --save-dev
+```
+
+Use [PostCSS Browser Comments] to process your CSS:
+
+```js
+const postcssBrowserComments = require('postcss-browser-comments');
+
+postcssBrowserComments.process(YOUR_CSS /*, processOptions, pluginOptions */);
+```
+
+Or use it as a [PostCSS] plugin:
+
+```js
+const postcss = require('postcss');
+const postcssBrowserComments = require('postcss-browser-comments');
+
+postcss([
+  postcssBrowserComments(/* pluginOptions */)
+]).process(YOUR_CSS /*, processOptions */);
+```
+
+[PostCSS Browser Comments] runs in all Node environments, with special instructions for:
+
+| [Node](INSTALL.md#node) | [PostCSS CLI](INSTALL.md#postcss-cli) | [Webpack](INSTALL.md#webpack) | [Create React App](INSTALL.md#create-react-app) | [Gulp](INSTALL.md#gulp) | [Grunt](INSTALL.md#grunt) |
+| --- | --- | --- | --- | --- | --- |
+
+## Options
+
+### browsers
+
+The `browsers` option overrides of the project’s browserslist.
+
+```js
+postcssBrowserComments({
+  browsers: 'last 2 versions'
+});
+```
+
+[cli-img]: https://img.shields.io/travis/csstools/postcss-browser-comments/main.svg
+[cli-url]: https://travis-ci.org/csstools/postcss-browser-comments
+[git-img]: https://img.shields.io/badge/support-chat-blue.svg
+[git-url]: https://gitter.im/postcss/postcss
+[npm-img]: https://img.shields.io/npm/v/postcss-browser-comments.svg
+[npm-url]: https://www.npmjs.com/package/postcss-browser-comments
+
+[browserslist]: https://github.com/browserslist/browserslist
+[PostCSS]: https://github.com/postcss/postcss
+[PostCSS Browser Comments]: https://github.com/csstools/postcss-browser-comments

frontend/node_modules/postcss-browser-comments/index.cjs

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+var browserslist = require('browserslist');
+
+function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
+
+var browserslist__default = /*#__PURE__*/_interopDefaultLegacy(browserslist);
+
+const plugin = opts => {
+  return {
+    postcssPlugin: 'postcss-browser-comments',
+
+    Once(root) {
+      // client browserslist
+      const clientBrowserList = browserslist__default['default'](Object(opts).browsers || null, {
+        path: root.source && root.source.input && root.source.input.file
+      }); // root children references
+
+      const references = root.nodes.slice(0); // for each child node of the root children references
+
+      for (const node of references) {
+        // if the node is a comment browser comment node
+        if (isBrowserCommentNode(node)) {
+          // rule following the browser comment
+          const rule = node.next(); // browser data
+
+          const browserdata = getBrowserData(node.text);
+
+          if (browserdata.isNumbered) {
+            rule.nodes.filter(isBrowserReferenceCommentNode).map(comment => {
+              const browserdataIndex = parseFloat(comment.text) - 1;
+              const browserslistPart = browserdata.browserslist[browserdataIndex]; // whether to remove the rule if the comment browserslist does not match the client browserslist
+
+              const removeRule = !clientBrowserList.some(clientBrowser => browserslist__default['default'](browserslistPart).some(commentBrowser => commentBrowser === clientBrowser)); // conditionally remove the declaration and reference comment
+
+              if (removeRule) {
+                comment.prev().remove();
+                comment.remove();
+              }
+            }); // conditionally remove the empty rule and comment
+
+            if (!rule.nodes.length) {
+              rule.remove();
+              node.remove();
+            }
+          } else {
+            // whether to remove the rule if the comment browserslist does not match the client browserslist
+            const removeRule = !clientBrowserList.some(clientBrowser => browserslist__default['default'](browserdata.browserslist).some(commentBrowser => commentBrowser === clientBrowser)); // conditionally remove the rule and comment
+
+            if (removeRule) {
+              rule.remove();
+              node.remove();
+            }
+          }
+        }
+      }
+    }
+
+  };
+};
+
+plugin.postcss = true;
+
+const isBrowserCommentNode = node => node.type === 'comment' && isBrowserCommentNodeRegExp.test(node.text) && node.next().type === 'rule';
+
+const isBrowserCommentNodeRegExp = /^\*\n * /; // returns whether a node is a browser reference comment
+
+const isBrowserReferenceCommentNode = node => node.type === 'comment' && isBrowserReferenceCommentNodeRegExp.test(node.text);
+
+const isBrowserReferenceCommentNodeRegExp = /^\d+$/; // returns browser data from comment text
+
+const getBrowserData = text => {
+  const browserDataNumbered = text.match(browserDataMutliRegExp);
+  const isNumbered = Boolean(browserDataNumbered);
+  return {
+    browserslist: isNumbered ? browserDataNumbered.map(browserslistPart => getBrowsersList(browserslistPart.replace(browserDataNumberedNewlineRegExp, '$1'))) : getBrowsersList(text.replace(browserDataNewlineRegExp, '')),
+    isNumbered
+  };
+};
+
+const browserDataMutliRegExp = /(\n \* \d+\. (?:[^\n]+|\n \* {4,})+)/g;
+const browserDataNewlineRegExp = /^\*\n \* ?|\n \*/g;
+const browserDataNumberedNewlineRegExp = /\n \* (?:( )\s*)?/g; // returns a browserlist from comment text
+
+const getBrowsersList = text => text.split(getBrowsersListInSplitRegExp).slice(1).map(part => part.split(getBrowsersListAndSplitRegExp).filter(part2 => part2)).reduce((acc, val) => acc.concat(val), []).map(part => part.replace(getBrowsersListQueryRegExp, ($0, browser, query) => browser === 'all' ? '> 0%' : `${browser}${query ? /^((?:\d*\.)?\d+)-$/.test(query) ? ` <= ${query.slice(0, -1)}` : ` ${query}` : ' > 0'}`).toLowerCase());
+
+const getBrowsersListInSplitRegExp = /\s+in\s+/;
+const getBrowsersListAndSplitRegExp = /(?: and|, and|,)/;
+const getBrowsersListQueryRegExp = /^\s*(\w+)(?: ((?:(?:\d*\.)?\d+-)?(?:\d*\.)?\d+[+-]?))?.*$/;
+
+module.exports = plugin;
+//# sourceMappingURL=index.cjs.map

frontend/node_modules/postcss-browser-comments/index.mjs

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+import browserslist from 'browserslist';
+
+const plugin = opts => {
+  return {
+    postcssPlugin: 'postcss-browser-comments',
+
+    Once(root) {
+      // client browserslist
+      const clientBrowserList = browserslist(Object(opts).browsers || null, {
+        path: root.source && root.source.input && root.source.input.file
+      }); // root children references
+
+      const references = root.nodes.slice(0); // for each child node of the root children references
+
+      for (const node of references) {
+        // if the node is a comment browser comment node
+        if (isBrowserCommentNode(node)) {
+          // rule following the browser comment
+          const rule = node.next(); // browser data
+
+          const browserdata = getBrowserData(node.text);
+
+          if (browserdata.isNumbered) {
+            rule.nodes.filter(isBrowserReferenceCommentNode).map(comment => {
+              const browserdataIndex = parseFloat(comment.text) - 1;
+              const browserslistPart = browserdata.browserslist[browserdataIndex]; // whether to remove the rule if the comment browserslist does not match the client browserslist
+
+              const removeRule = !clientBrowserList.some(clientBrowser => browserslist(browserslistPart).some(commentBrowser => commentBrowser === clientBrowser)); // conditionally remove the declaration and reference comment
+
+              if (removeRule) {
+                comment.prev().remove();
+                comment.remove();
+              }
+            }); // conditionally remove the empty rule and comment
+
+            if (!rule.nodes.length) {
+              rule.remove();
+              node.remove();
+            }
+          } else {
+            // whether to remove the rule if the comment browserslist does not match the client browserslist
+            const removeRule = !clientBrowserList.some(clientBrowser => browserslist(browserdata.browserslist).some(commentBrowser => commentBrowser === clientBrowser)); // conditionally remove the rule and comment
+
+            if (removeRule) {
+              rule.remove();
+              node.remove();
+            }
+          }
+        }
+      }
+    }
+
+  };
+};
+
+plugin.postcss = true;
+
+const isBrowserCommentNode = node => node.type === 'comment' && isBrowserCommentNodeRegExp.test(node.text) && node.next().type === 'rule';
+
+const isBrowserCommentNodeRegExp = /^\*\n * /; // returns whether a node is a browser reference comment
+
+const isBrowserReferenceCommentNode = node => node.type === 'comment' && isBrowserReferenceCommentNodeRegExp.test(node.text);
+
+const isBrowserReferenceCommentNodeRegExp = /^\d+$/; // returns browser data from comment text
+
+const getBrowserData = text => {
+  const browserDataNumbered = text.match(browserDataMutliRegExp);
+  const isNumbered = Boolean(browserDataNumbered);
+  return {
+    browserslist: isNumbered ? browserDataNumbered.map(browserslistPart => getBrowsersList(browserslistPart.replace(browserDataNumberedNewlineRegExp, '$1'))) : getBrowsersList(text.replace(browserDataNewlineRegExp, '')),
+    isNumbered
+  };
+};
+
+const browserDataMutliRegExp = /(\n \* \d+\. (?:[^\n]+|\n \* {4,})+)/g;
+const browserDataNewlineRegExp = /^\*\n \* ?|\n \*/g;
+const browserDataNumberedNewlineRegExp = /\n \* (?:( )\s*)?/g; // returns a browserlist from comment text
+
+const getBrowsersList = text => text.split(getBrowsersListInSplitRegExp).slice(1).map(part => part.split(getBrowsersListAndSplitRegExp).filter(part2 => part2)).reduce((acc, val) => acc.concat(val), []).map(part => part.replace(getBrowsersListQueryRegExp, ($0, browser, query) => browser === 'all' ? '> 0%' : `${browser}${query ? /^((?:\d*\.)?\d+)-$/.test(query) ? ` <= ${query.slice(0, -1)}` : ` ${query}` : ' > 0'}`).toLowerCase());
+
+const getBrowsersListInSplitRegExp = /\s+in\s+/;
+const getBrowsersListAndSplitRegExp = /(?: and|, and|,)/;
+const getBrowsersListQueryRegExp = /^\s*(\w+)(?: ((?:(?:\d*\.)?\d+-)?(?:\d*\.)?\d+[+-]?))?.*$/;
+
+export default plugin;
+//# sourceMappingURL=index.mjs.map

frontend/node_modules/postcss-browser-comments/package.json

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+{
+  "name": "postcss-browser-comments",
+  "version": "4.0.0",
+  "description": "Keep only the CSS you need based on comments and your browserslist",
+  "author": "Jonathan Neal <csstools@hotmail.com>",
+  "license": "CC0-1.0",
+  "repository": "csstools/postcss-browser-comments",
+  "homepage": "https://github.com/csstools/postcss-browser-comments#readme",
+  "bugs": "https://github.com/csstools/postcss-browser-comments/issues",
+  "main": "index.cjs",
+  "module": "index.mjs",
+  "files": [
+    "index.cjs",
+    "index.cjs.map",
+    "index.mjs",
+    "index.mjs.map"
+  ],
+  "scripts": {
+    "prepublishOnly": "npm test",
+    "build": "rollup --config .rollup.js --silent",
+    "lint": "eslint *.js --cache --ignore-path .gitignore --quiet",
+    "test": "npm run lint && npm run build && npm run tape",
+    "tape": "postcss-tape"
+  },
+  "engines": {
+    "node": ">=8"
+  },
+  "peerDependencies": {
+    "browserslist": ">=4",
+    "postcss": ">=8"
+  },
+  "devDependencies": {
+    "@babel/core": "7.13.16",
+    "@babel/preset-env": "7.13.15",
+    "browserslist": "4.1.1",
+    "eslint": "7.25.0",
+    "postcss": "8.2.13",
+    "postcss-tape": "6.0.1",
+    "pre-commit": "1.2.2",
+    "rollup": "2.46.0",
+    "rollup-plugin-babel": "4.3.2"
+  },
+  "eslintConfig": {
+    "extends": "eslint:recommended",
+    "parserOptions": {
+      "ecmaVersion": 12,
+      "sourceType": "module",
+      "ecmaFeatures": {
+        "modules": true
+      }
+    },
+    "rules": {
+      "semi": [
+        "error",
+        "never"
+      ]
+    }
+  },
+  "keywords": [
+    "postcss",
+    "css",
+    "postcss-plugin",
+    "browserslists",
+    "browserlists",
+    "browsers",
+    "lists",
+    "support",
+    "caniuse",
+    "target"
+  ]
+}