| "use strict"; |
| |
| Object.defineProperty(exports, "__esModule", { |
| value: true |
| }); |
| exports.default = void 0; |
| |
| var _browserslist = _interopRequireDefault(require("browserslist")); |
| |
| var _postcssValueParser = _interopRequireWildcard(require("postcss-value-parser")); |
| |
| var _alphanumSort = _interopRequireDefault(require("alphanum-sort")); |
| |
| var _cssnanoUtils = require("cssnano-utils"); |
| |
| function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); } |
| |
| function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; } |
| |
| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } |
| |
| /** |
| * Return the greatest common divisor |
| * of two numbers. |
| */ |
| function gcd(a, b) { |
| return b ? gcd(b, a % b) : a; |
| } |
| |
| function aspectRatio(a, b) { |
| const divisor = gcd(a, b); |
| return [a / divisor, b / divisor]; |
| } |
| |
| function split(args) { |
| return args.map(arg => (0, _postcssValueParser.stringify)(arg)).join(''); |
| } |
| |
| function removeNode(node) { |
| node.value = ''; |
| node.type = 'word'; |
| } |
| |
| function sortAndDedupe(items) { |
| return (0, _alphanumSort.default)([...new Set(items)], { |
| insensitive: true |
| }).join(); |
| } |
| |
| function transform(legacy, rule) { |
| const ruleName = rule.name.toLowerCase(); // We should re-arrange parameters only for `@media` and `@supports` at-rules |
| |
| if (!rule.params || !['media', 'supports'].includes(ruleName)) { |
| return; |
| } |
| |
| const params = (0, _postcssValueParser.default)(rule.params); |
| params.walk((node, index) => { |
| if (node.type === 'div' || node.type === 'function') { |
| node.before = node.after = ''; |
| |
| if (node.type === 'function' && node.nodes[4] && node.nodes[0].value.toLowerCase().indexOf('-aspect-ratio') === 3) { |
| const [a, b] = aspectRatio(node.nodes[2].value, node.nodes[4].value); |
| node.nodes[2].value = a; |
| node.nodes[4].value = b; |
| } |
| } else if (node.type === 'space') { |
| node.value = ' '; |
| } else { |
| const prevWord = params.nodes[index - 2]; |
| |
| if (node.value.toLowerCase() === 'all' && rule.name.toLowerCase() === 'media' && !prevWord) { |
| const nextWord = params.nodes[index + 2]; |
| |
| if (!legacy || nextWord) { |
| removeNode(node); |
| } |
| |
| if (nextWord && nextWord.value.toLowerCase() === 'and') { |
| const nextSpace = params.nodes[index + 1]; |
| const secondSpace = params.nodes[index + 3]; |
| removeNode(nextWord); |
| removeNode(nextSpace); |
| removeNode(secondSpace); |
| } |
| } |
| } |
| }, true); |
| rule.params = sortAndDedupe((0, _cssnanoUtils.getArguments)(params).map(split)); |
| |
| if (!rule.params.length) { |
| rule.raws.afterName = ''; |
| } |
| } |
| |
| function hasAllBug(browser) { |
| return ~['ie 10', 'ie 11'].indexOf(browser); |
| } |
| |
| function pluginCreator(options = {}) { |
| const browsers = (0, _browserslist.default)(null, { |
| stats: options.stats, |
| path: __dirname, |
| env: options.env |
| }); |
| return { |
| postcssPlugin: 'postcss-minify-params', |
| |
| OnceExit(css) { |
| css.walkAtRules(transform.bind(null, browsers.some(hasAllBug))); |
| } |
| |
| }; |
| } |
| |
| pluginCreator.postcss = true; |
| var _default = pluginCreator; |
| exports.default = _default; |
| module.exports = exports.default; |