1 | "use strict";
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2 |
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3 | Object.defineProperty(exports, "__esModule", {
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4 | value: true
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5 | });
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6 | exports.default = void 0;
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7 |
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8 | var _browserslist = _interopRequireDefault(require("browserslist"));
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9 |
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10 | var _postcssValueParser = _interopRequireWildcard(require("postcss-value-parser"));
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11 |
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12 | var _alphanumSort = _interopRequireDefault(require("alphanum-sort"));
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13 |
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14 | var _uniqs = _interopRequireDefault(require("uniqs"));
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15 |
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16 | var _cssnanoUtils = require("cssnano-utils");
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17 |
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18 | 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); }
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19 |
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20 | 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; }
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21 |
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22 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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23 |
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24 | /**
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25 | * Return the greatest common divisor
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26 | * of two numbers.
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27 | */
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28 | function gcd(a, b) {
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29 | return b ? gcd(b, a % b) : a;
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30 | }
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31 |
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32 | function aspectRatio(a, b) {
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33 | const divisor = gcd(a, b);
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34 | return [a / divisor, b / divisor];
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35 | }
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36 |
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37 | function split(args) {
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38 | return args.map(arg => (0, _postcssValueParser.stringify)(arg)).join('');
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39 | }
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40 |
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41 | function removeNode(node) {
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42 | node.value = '';
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43 | node.type = 'word';
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44 | }
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45 |
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46 | function transform(legacy, rule) {
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47 | const ruleName = rule.name.toLowerCase(); // We should re-arrange parameters only for `@media` and `@supports` at-rules
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48 |
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49 | if (!rule.params || !['media', 'supports'].includes(ruleName)) {
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50 | return;
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51 | }
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52 |
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53 | const params = (0, _postcssValueParser.default)(rule.params);
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54 | params.walk((node, index) => {
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55 | if (node.type === 'div' || node.type === 'function') {
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56 | node.before = node.after = '';
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57 |
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58 | if (node.type === 'function' && node.nodes[4] && node.nodes[0].value.toLowerCase().indexOf('-aspect-ratio') === 3) {
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59 | const [a, b] = aspectRatio(node.nodes[2].value, node.nodes[4].value);
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60 | node.nodes[2].value = a;
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61 | node.nodes[4].value = b;
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62 | }
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63 | } else if (node.type === 'space') {
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64 | node.value = ' ';
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65 | } else {
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66 | const prevWord = params.nodes[index - 2];
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67 |
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68 | if (node.value.toLowerCase() === 'all' && rule.name.toLowerCase() === 'media' && !prevWord) {
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69 | const nextWord = params.nodes[index + 2];
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70 |
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71 | if (!legacy || nextWord) {
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72 | removeNode(node);
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73 | }
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74 |
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75 | if (nextWord && nextWord.value.toLowerCase() === 'and') {
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76 | const nextSpace = params.nodes[index + 1];
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77 | const secondSpace = params.nodes[index + 3];
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78 | removeNode(nextWord);
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79 | removeNode(nextSpace);
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80 | removeNode(secondSpace);
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81 | }
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82 | }
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83 | }
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84 | }, true);
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85 | rule.params = (0, _alphanumSort.default)((0, _uniqs.default)((0, _cssnanoUtils.getArguments)(params).map(split)), {
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86 | insensitive: true
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87 | }).join();
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88 |
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89 | if (!rule.params.length) {
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90 | rule.raws.afterName = '';
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91 | }
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92 | }
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93 |
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94 | function hasAllBug(browser) {
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95 | return ~['ie 10', 'ie 11'].indexOf(browser);
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96 | }
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97 |
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98 | function pluginCreator(options = {}) {
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99 | const browsers = (0, _browserslist.default)(null, {
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100 | stats: options.stats,
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101 | path: __dirname,
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102 | env: options.env
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103 | });
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104 | return {
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105 | postcssPlugin: 'postcss-minify-params',
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106 |
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107 | OnceExit(css) {
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108 | css.walkAtRules(transform.bind(null, browsers.some(hasAllBug)));
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109 | }
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110 |
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111 | };
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112 | }
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113 |
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114 | pluginCreator.postcss = true;
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115 | var _default = pluginCreator;
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116 | exports.default = _default;
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117 | module.exports = exports.default; |
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