1 | "use strict";
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2 |
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3 | function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } it = o[Symbol.iterator](); return it.next.bind(it); }
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4 |
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5 | function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
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6 |
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7 | function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
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8 |
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9 | var browserslist = require('browserslist');
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10 |
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11 | function capitalize(str) {
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12 | return str.slice(0, 1).toUpperCase() + str.slice(1);
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13 | }
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14 |
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15 | var NAMES = {
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16 | ie: 'IE',
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17 | ie_mob: 'IE Mobile',
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18 | ios_saf: 'iOS',
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19 | op_mini: 'Opera Mini',
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20 | op_mob: 'Opera Mobile',
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21 | and_chr: 'Chrome for Android',
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22 | and_ff: 'Firefox for Android',
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23 | and_uc: 'UC for Android'
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24 | };
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25 |
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26 | function prefix(name, prefixes, note) {
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27 | var out = " " + name;
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28 | if (note) out += ' *';
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29 | out += ': ';
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30 | out += prefixes.map(function (i) {
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31 | return i.replace(/^-(.*)-$/g, '$1');
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32 | }).join(', ');
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33 | out += '\n';
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34 | return out;
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35 | }
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36 |
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37 | module.exports = function (prefixes) {
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38 | if (prefixes.browsers.selected.length === 0) {
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39 | return 'No browsers selected';
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40 | }
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41 |
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42 | var versions = {};
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43 |
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44 | for (var _iterator = _createForOfIteratorHelperLoose(prefixes.browsers.selected), _step; !(_step = _iterator()).done;) {
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45 | var _browser = _step.value;
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46 |
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47 | var parts = _browser.split(' ');
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48 |
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49 | var _name2 = parts[0];
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50 | var version = parts[1];
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51 | _name2 = NAMES[_name2] || capitalize(_name2);
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52 |
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53 | if (versions[_name2]) {
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54 | versions[_name2].push(version);
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55 | } else {
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56 | versions[_name2] = [version];
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57 | }
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58 | }
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59 |
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60 | var out = 'Browsers:\n';
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61 |
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62 | for (var browser in versions) {
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63 | var list = versions[browser];
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64 | list = list.sort(function (a, b) {
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65 | return parseFloat(b) - parseFloat(a);
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66 | });
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67 | out += " " + browser + ": " + list.join(', ') + "\n";
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68 | }
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69 |
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70 | var coverage = browserslist.coverage(prefixes.browsers.selected);
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71 | var round = Math.round(coverage * 100) / 100.0;
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72 | out += "\nThese browsers account for " + round + "% of all users globally\n";
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73 | var atrules = [];
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74 |
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75 | for (var name in prefixes.add) {
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76 | var data = prefixes.add[name];
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77 |
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78 | if (name[0] === '@' && data.prefixes) {
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79 | atrules.push(prefix(name, data.prefixes));
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80 | }
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81 | }
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82 |
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83 | if (atrules.length > 0) {
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84 | out += "\nAt-Rules:\n" + atrules.sort().join('');
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85 | }
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86 |
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87 | var selectors = [];
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88 |
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89 | for (var _iterator2 = _createForOfIteratorHelperLoose(prefixes.add.selectors), _step2; !(_step2 = _iterator2()).done;) {
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90 | var selector = _step2.value;
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91 |
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92 | if (selector.prefixes) {
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93 | selectors.push(prefix(selector.name, selector.prefixes));
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94 | }
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95 | }
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96 |
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97 | if (selectors.length > 0) {
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98 | out += "\nSelectors:\n" + selectors.sort().join('');
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99 | }
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100 |
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101 | var values = [];
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102 | var props = [];
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103 | var hadGrid = false;
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104 |
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105 | for (var _name in prefixes.add) {
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106 | var _data = prefixes.add[_name];
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107 |
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108 | if (_name[0] !== '@' && _data.prefixes) {
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109 | var grid = _name.indexOf('grid-') === 0;
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110 | if (grid) hadGrid = true;
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111 | props.push(prefix(_name, _data.prefixes, grid));
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112 | }
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113 |
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114 | if (!Array.isArray(_data.values)) {
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115 | continue;
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116 | }
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117 |
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118 | for (var _iterator3 = _createForOfIteratorHelperLoose(_data.values), _step3; !(_step3 = _iterator3()).done;) {
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119 | var value = _step3.value;
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120 |
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121 | var _grid = value.name.includes('grid');
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122 |
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123 | if (_grid) hadGrid = true;
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124 | var string = prefix(value.name, value.prefixes, _grid);
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125 |
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126 | if (!values.includes(string)) {
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127 | values.push(string);
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128 | }
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129 | }
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130 | }
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131 |
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132 | if (props.length > 0) {
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133 | out += "\nProperties:\n" + props.sort().join('');
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134 | }
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135 |
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136 | if (values.length > 0) {
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137 | out += "\nValues:\n" + values.sort().join('');
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138 | }
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139 |
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140 | if (hadGrid) {
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141 | out += '\n* - Prefixes will be added only on grid: true option.\n';
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142 | }
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143 |
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144 | if (!atrules.length && !selectors.length && !props.length && !values.length) {
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145 | out += '\nAwesome! Your browsers don\'t require any vendor prefixes.' + '\nNow you can remove Autoprefixer from build steps.';
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146 | }
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147 |
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148 | return out;
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149 | }; |
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