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$/.test(n)) return _arrayLikeToArray(o, minLen); }
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6 |
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7 | function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
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8 |
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9 | var vendor = require('postcss').vendor;
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10 |
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11 | var Browsers = require('./browsers');
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12 |
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13 | var utils = require('./utils');
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14 | /**
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15 | * Recursively clone objects
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16 | */
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17 |
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18 |
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19 | function _clone(obj, parent) {
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20 | var cloned = new obj.constructor();
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21 |
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22 | for (var _i = 0, _Object$keys = Object.keys(obj || {}); _i < _Object$keys.length; _i++) {
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23 | var i = _Object$keys[_i];
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24 | var value = obj[i];
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25 |
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26 | if (i === 'parent' && typeof value === 'object') {
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27 | if (parent) {
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28 | cloned[i] = parent;
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29 | }
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30 | } else if (i === 'source' || i === null) {
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31 | cloned[i] = value;
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32 | } else if (Array.isArray(value)) {
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33 | cloned[i] = value.map(function (x) {
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34 | return _clone(x, cloned);
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35 | });
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36 | } else if (i !== '_autoprefixerPrefix' && i !== '_autoprefixerValues') {
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37 | if (typeof value === 'object' && value !== null) {
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38 | value = _clone(value, cloned);
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39 | }
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40 |
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41 | cloned[i] = value;
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42 | }
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43 | }
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44 |
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45 | return cloned;
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46 | }
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47 |
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48 | var Prefixer = /*#__PURE__*/function () {
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49 | /**
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50 | * Add hack to selected names
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51 | */
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52 | Prefixer.hack = function hack(klass) {
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53 | var _this = this;
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54 |
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55 | if (!this.hacks) {
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56 | this.hacks = {};
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57 | }
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58 |
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59 | return klass.names.map(function (name) {
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60 | _this.hacks[name] = klass;
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61 | return _this.hacks[name];
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62 | });
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63 | }
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64 | /**
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65 | * Load hacks for some names
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66 | */
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67 | ;
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68 |
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69 | Prefixer.load = function load(name, prefixes, all) {
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70 | var Klass = this.hacks && this.hacks[name];
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71 |
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72 | if (Klass) {
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73 | return new Klass(name, prefixes, all);
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74 | } else {
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75 | return new this(name, prefixes, all);
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76 | }
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77 | }
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78 | /**
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79 | * Clone node and clean autprefixer custom caches
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80 | */
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81 | ;
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82 |
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83 | Prefixer.clone = function clone(node, overrides) {
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84 | var cloned = _clone(node);
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85 |
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86 | for (var name in overrides) {
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87 | cloned[name] = overrides[name];
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88 | }
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89 |
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90 | return cloned;
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91 | };
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92 |
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93 | function Prefixer(name, prefixes, all) {
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94 | this.prefixes = prefixes;
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95 | this.name = name;
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96 | this.all = all;
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97 | }
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98 | /**
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99 | * Find prefix in node parents
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100 | */
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101 |
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102 |
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103 | var _proto = Prefixer.prototype;
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104 |
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105 | _proto.parentPrefix = function parentPrefix(node) {
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106 | var prefix;
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107 |
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108 | if (typeof node._autoprefixerPrefix !== 'undefined') {
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109 | prefix = node._autoprefixerPrefix;
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110 | } else if (node.type === 'decl' && node.prop[0] === '-') {
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111 | prefix = vendor.prefix(node.prop);
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112 | } else if (node.type === 'root') {
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113 | prefix = false;
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114 | } else if (node.type === 'rule' && node.selector.includes(':-') && /:(-\w+-)/.test(node.selector)) {
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115 | prefix = node.selector.match(/:(-\w+-)/)[1];
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116 | } else if (node.type === 'atrule' && node.name[0] === '-') {
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117 | prefix = vendor.prefix(node.name);
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118 | } else {
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119 | prefix = this.parentPrefix(node.parent);
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120 | }
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121 |
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122 | if (!Browsers.prefixes().includes(prefix)) {
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123 | prefix = false;
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124 | }
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125 |
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126 | node._autoprefixerPrefix = prefix;
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127 | return node._autoprefixerPrefix;
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128 | }
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129 | /**
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130 | * Clone node with prefixes
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131 | */
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132 | ;
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133 |
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134 | _proto.process = function process(node, result) {
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135 | if (!this.check(node)) {
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136 | return undefined;
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137 | }
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138 |
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139 | var parent = this.parentPrefix(node);
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140 | var prefixes = this.prefixes.filter(function (prefix) {
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141 | return !parent || parent === utils.removeNote(prefix);
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142 | });
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143 | var added = [];
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144 |
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145 | for (var _iterator = _createForOfIteratorHelperLoose(prefixes), _step; !(_step = _iterator()).done;) {
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146 | var prefix = _step.value;
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147 |
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148 | if (this.add(node, prefix, added.concat([prefix]), result)) {
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149 | added.push(prefix);
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150 | }
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151 | }
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152 |
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153 | return added;
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154 | }
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155 | /**
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156 | * Shortcut for Prefixer.clone
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157 | */
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158 | ;
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159 |
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160 | _proto.clone = function clone(node, overrides) {
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161 | return Prefixer.clone(node, overrides);
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162 | };
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163 |
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164 | return Prefixer;
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165 | }();
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166 |
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167 | module.exports = Prefixer; |
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