postcss,(plugins): nanocss, postcss-preset-env

7 files changed, 402 insertions, 0 deletions

diff --git a/node_modules/postcss-minify-selectors/LICENSE-MIT b/node_modules/postcss-minify-selectors/LICENSE-MIT
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+++ b/node_modules/postcss-minify-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-minify-selectors/README.md b/node_modules/postcss-minify-selectors/README.md
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+++ b/node_modules/postcss-minify-selectors/README.md
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+# [postcss][postcss]-minify-selectors
+
+> Minify selectors with PostCSS.
+
+## Install
+
+With [npm](https://www.npmjs.com/package/postcss-minify-selectors) do:
+
+```
+npm install postcss-minify-selectors --save
+```
+
+## Example
+
+### Input
+
+```css
+h1 + p, h2, h3, h2{color:blue}
+```
+
+### Output
+
+```css
+h1+p,h2,h3{color:blue}
+```
+
+For more examples see the [tests](test.js).
+
+## 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-minify-selectors/package.json b/node_modules/postcss-minify-selectors/package.json
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--- /dev/null
+++ b/node_modules/postcss-minify-selectors/package.json
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+{
+  "name": "postcss-minify-selectors",
+  "version": "6.0.0",
+  "description": "Minify selectors with PostCSS.",
+  "main": "src/index.js",
+  "types": "types/index.d.ts",
+  "files": [
+    "src",
+    "LICENSE-MIT",
+    "types"
+  ],
+  "keywords": [
+    "css",
+    "minify",
+    "optimise",
+    "postcss",
+    "postcss-plugin",
+    "selectors"
+  ],
+  "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-minify-selectors/src/index.js b/node_modules/postcss-minify-selectors/src/index.js
new file mode 100644
index 00000000..9276ff2b
--- /dev/null
+++ b/node_modules/postcss-minify-selectors/src/index.js
@@ -0,0 +1,260 @@
+'use strict';
+const parser = require('postcss-selector-parser');
+const canUnquote = require('./lib/canUnquote.js');
+
+const pseudoElements = new Set([
+  '::before',
+  '::after',
+  '::first-letter',
+  '::first-line',
+]);
+
+/**
+ * @param {parser.Attribute} selector
+ * @return {void}
+ */
+function attribute(selector) {
+  if (selector.value) {
+    if (selector.raws.value) {
+      // Join selectors that are split over new lines
+      selector.raws.value = selector.raws.value.replace(/\\\n/g, '').trim();
+    }
+    if (canUnquote(selector.value)) {
+      selector.quoteMark = null;
+    }
+
+    if (selector.operator) {
+      selector.operator = /** @type {parser.AttributeOperator} */ (
+        selector.operator.trim()
+      );
+    }
+  }
+
+  selector.rawSpaceBefore = '';
+  selector.rawSpaceAfter = '';
+  selector.spaces.attribute = { before: '', after: '' };
+  selector.spaces.operator = { before: '', after: '' };
+  selector.spaces.value = {
+    before: '',
+    after: selector.insensitive ? ' ' : '',
+  };
+
+  if (selector.raws.spaces) {
+    selector.raws.spaces.attribute = {
+      before: '',
+      after: '',
+    };
+
+    selector.raws.spaces.operator = {
+      before: '',
+      after: '',
+    };
+
+    selector.raws.spaces.value = {
+      before: '',
+      after: selector.insensitive ? ' ' : '',
+    };
+
+    if (selector.insensitive) {
+      selector.raws.spaces.insensitive = {
+        before: '',
+        after: '',
+      };
+    }
+  }
+
+  selector.attribute = selector.attribute.trim();
+}
+
+/**
+ * @param {parser.Combinator} selector
+ * @return {void}
+ */
+function combinator(selector) {
+  const value = selector.value.trim();
+  selector.spaces.before = '';
+  selector.spaces.after = '';
+  selector.rawSpaceBefore = '';
+  selector.rawSpaceAfter = '';
+  selector.value = value.length ? value : ' ';
+}
+
+const pseudoReplacements = new Map([
+  [':nth-child', ':first-child'],
+  [':nth-of-type', ':first-of-type'],
+  [':nth-last-child', ':last-child'],
+  [':nth-last-of-type', ':last-of-type'],
+]);
+
+/**
+ * @param {parser.Pseudo} selector
+ * @return {void}
+ */
+function pseudo(selector) {
+  const value = selector.value.toLowerCase();
+
+  if (selector.nodes.length === 1 && pseudoReplacements.has(value)) {
+    const first = selector.at(0);
+    const one = first.at(0);
+
+    if (first.length === 1) {
+      if (one.value === '1') {
+        selector.replaceWith(
+          parser.pseudo({
+            value: /** @type {string} */ (pseudoReplacements.get(value)),
+          })
+        );
+      }
+
+      if (one.value && one.value.toLowerCase() === 'even') {
+        one.value = '2n';
+      }
+    }
+
+    if (first.length === 3) {
+      const two = first.at(1);
+      const three = first.at(2);
+
+      if (
+        one.value &&
+        one.value.toLowerCase() === '2n' &&
+        two.value === '+' &&
+        three.value === '1'
+      ) {
+        one.value = 'odd';
+
+        two.remove();
+        three.remove();
+      }
+    }
+
+    return;
+  }
+
+  selector.walk((child) => {
+    if (child.type === 'selector' && child.parent) {
+      const uniques = new Set();
+      child.parent.each((sibling) => {
+        const siblingStr = String(sibling);
+
+        if (!uniques.has(siblingStr)) {
+          uniques.add(siblingStr);
+        } else {
+          sibling.remove();
+        }
+      });
+    }
+  });
+
+  if (pseudoElements.has(value)) {
+    selector.value = selector.value.slice(1);
+  }
+}
+
+const tagReplacements = new Map([
+  ['from', '0%'],
+  ['100%', 'to'],
+]);
+
+/**
+ * @param {parser.Tag} selector
+ * @return {void}
+ */
+function tag(selector) {
+  const value = selector.value.toLowerCase();
+
+  if (tagReplacements.has(value)) {
+    selector.value = /** @type {string} */ (tagReplacements.get(value));
+  }
+}
+
+/**
+ * @param {parser.Universal} selector
+ * @return {void}
+ */
+function universal(selector) {
+  const next = selector.next();
+
+  if (next && next.type !== 'combinator') {
+    selector.remove();
+  }
+}
+
+const reducers = new Map(
+  /** @type {[string, ((selector: parser.Node) => void)][]}*/ ([
+    ['attribute', attribute],
+    ['combinator', combinator],
+    ['pseudo', pseudo],
+    ['tag', tag],
+    ['universal', universal],
+  ])
+);
+
+/**
+ * @type {import('postcss').PluginCreator<void>}
+ * @return {import('postcss').Plugin}
+ */
+function pluginCreator() {
+  return {
+    postcssPlugin: 'postcss-minify-selectors',
+
+    OnceExit(css) {
+      const cache = new Map();
+      const processor = parser((selectors) => {
+        const uniqueSelectors = new Set();
+
+        selectors.walk((sel) => {
+          // Trim whitespace around the value
+          sel.spaces.before = sel.spaces.after = '';
+          const reducer = reducers.get(sel.type);
+          if (reducer !== undefined) {
+            reducer(sel);
+            return;
+          }
+
+          const toString = String(sel);
+
+          if (
+            sel.type === 'selector' &&
+            sel.parent &&
+            sel.parent.type !== 'pseudo'
+          ) {
+            if (!uniqueSelectors.has(toString)) {
+              uniqueSelectors.add(toString);
+            } else {
+              sel.remove();
+            }
+          }
+        });
+        selectors.nodes.sort();
+      });
+
+      css.walkRules((rule) => {
+        const selector =
+          rule.raws.selector && rule.raws.selector.value === rule.selector
+            ? rule.raws.selector.raw
+            : rule.selector;
+
+        // If the selector ends with a ':' it is likely a part of a custom mixin,
+        // so just pass through.
+        if (selector[selector.length - 1] === ':') {
+          return;
+        }
+
+        if (cache.has(selector)) {
+          rule.selector = cache.get(selector);
+
+          return;
+        }
+
+        const optimizedSelector = processor.processSync(selector);
+
+        rule.selector = optimizedSelector;
+        cache.set(selector, optimizedSelector);
+      });
+    },
+  };
+}
+
+pluginCreator.postcss = true;
+module.exports = pluginCreator;
diff --git a/node_modules/postcss-minify-selectors/src/lib/canUnquote.js b/node_modules/postcss-minify-selectors/src/lib/canUnquote.js
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index 00000000..aeefa171
--- /dev/null
+++ b/node_modules/postcss-minify-selectors/src/lib/canUnquote.js
@@ -0,0 +1,24 @@
+'use strict';
+/**
+ * Can unquote attribute detection from mothereff.in
+ * Copyright Mathias Bynens <https://mathiasbynens.be/>
+ * https://github.com/mathiasbynens/mothereff.in
+ */
+const escapes = /\\([0-9A-Fa-f]{1,6})[ \t\n\f\r]?/g;
+const range =
+  // eslint-disable-next-line no-control-regex
+  /[\u0000-\u002c\u002e\u002f\u003A-\u0040\u005B-\u005E\u0060\u007B-\u009f]/;
+
+/**
+ * @param {string} value
+ * @return {boolean}
+ */
+module.exports = function canUnquote(value) {
+  if (value === '-' || value === '') {
+    return false;
+  }
+
+  value = value.replace(escapes, 'a').replace(/\\./g, 'a');
+
+  return !(range.test(value) || /^(?:-?\d|--)/.test(value));
+};
diff --git a/node_modules/postcss-minify-selectors/types/index.d.ts b/node_modules/postcss-minify-selectors/types/index.d.ts
new file mode 100644
index 00000000..d2beadb6
--- /dev/null
+++ b/node_modules/postcss-minify-selectors/types/index.d.ts
@@ -0,0 +1,9 @@
+export = pluginCreator;
+/**
+ * @type {import('postcss').PluginCreator<void>}
+ * @return {import('postcss').Plugin}
+ */
+declare function pluginCreator(): import('postcss').Plugin;
+declare namespace pluginCreator {
+    const postcss: true;
+}
diff --git a/node_modules/postcss-minify-selectors/types/lib/canUnquote.d.ts b/node_modules/postcss-minify-selectors/types/lib/canUnquote.d.ts
new file mode 100644
index 00000000..3fd1c4e4
--- /dev/null
+++ b/node_modules/postcss-minify-selectors/types/lib/canUnquote.d.ts
@@ -0,0 +1,2 @@
+declare function _exports(value: string): boolean;
+export = _exports;