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 _postcssValueParser = _interopRequireDefault(require("postcss-value-parser"));
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9 |
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10 | var _utils = require("../utils");
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11 |
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12 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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13 |
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14 | function parseNode(atRule, key) {
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15 |
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16 | if (atRule.parent.type !== "root") {
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17 | return;
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18 | }
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19 |
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20 | if (atRule.raws && atRule.raws.afterName && atRule.raws.afterName.trim().length > 0) {
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21 | const lastCommentIndex = atRule.raws.afterName.lastIndexOf("/*");
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22 | const matched = atRule.raws.afterName.slice(lastCommentIndex).match(_utils.WEBPACK_IGNORE_COMMENT_REGEXP);
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23 |
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24 | if (matched && matched[2] === "true") {
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25 | return;
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26 | }
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27 | }
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28 |
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29 | const prevNode = atRule.prev();
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30 |
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31 | if (prevNode && prevNode.type === "comment") {
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32 | const matched = prevNode.text.match(_utils.WEBPACK_IGNORE_COMMENT_REGEXP);
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33 |
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34 | if (matched && matched[2] === "true") {
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35 | return;
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36 | }
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37 | }
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38 |
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39 |
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40 | if (atRule.nodes) {
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41 | const error = new Error("It looks like you didn't end your @import statement correctly. Child nodes are attached to it.");
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42 | error.node = atRule;
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43 | throw error;
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44 | }
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45 |
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46 | const {
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47 | nodes: paramsNodes
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48 | } = (0, _postcssValueParser.default)(atRule[key]);
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49 |
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50 |
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51 | if (paramsNodes.length === 0 || paramsNodes[0].type !== "string" && paramsNodes[0].type !== "function") {
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52 | const error = new Error(`Unable to find uri in "${atRule.toString()}"`);
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53 | error.node = atRule;
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54 | throw error;
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55 | }
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56 |
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57 | let isStringValue;
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58 | let url;
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59 |
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60 | if (paramsNodes[0].type === "string") {
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61 | isStringValue = true;
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62 | url = paramsNodes[0].value;
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63 | } else {
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64 |
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65 | if (paramsNodes[0].value.toLowerCase() !== "url") {
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66 | const error = new Error(`Unable to find uri in "${atRule.toString()}"`);
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67 | error.node = atRule;
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68 | throw error;
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69 | }
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70 |
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71 | isStringValue = paramsNodes[0].nodes.length !== 0 && paramsNodes[0].nodes[0].type === "string";
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72 | url = isStringValue ? paramsNodes[0].nodes[0].value : _postcssValueParser.default.stringify(paramsNodes[0].nodes);
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73 | }
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74 |
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75 | url = (0, _utils.normalizeUrl)(url, isStringValue);
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76 | const isRequestable = (0, _utils.isUrlRequestable)(url);
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77 | let prefix;
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78 |
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79 | if (isRequestable) {
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80 | const queryParts = url.split("!");
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81 |
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82 | if (queryParts.length > 1) {
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83 | url = queryParts.pop();
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84 | prefix = queryParts.join("!");
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85 | }
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86 | }
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87 |
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88 |
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89 | if (url.trim().length === 0) {
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90 | const error = new Error(`Unable to find uri in "${atRule.toString()}"`);
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91 | error.node = atRule;
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92 | throw error;
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93 | }
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94 |
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95 | const mediaNodes = paramsNodes.slice(1);
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96 | let media;
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97 |
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98 | if (mediaNodes.length > 0) {
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99 | media = _postcssValueParser.default.stringify(mediaNodes).trim().toLowerCase();
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100 | }
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101 |
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102 |
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103 | return {
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104 | atRule,
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105 | prefix,
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106 | url,
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107 | media,
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108 | isRequestable
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109 | };
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110 | }
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111 |
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112 | const plugin = (options = {}) => {
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113 | return {
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114 | postcssPlugin: "postcss-import-parser",
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115 |
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116 | prepare(result) {
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117 | const parsedAtRules = [];
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118 | return {
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119 | AtRule: {
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120 | import(atRule) {
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121 | let parsedAtRule;
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122 |
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123 | try {
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124 | parsedAtRule = parseNode(atRule, "params", result);
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125 | } catch (error) {
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126 | result.warn(error.message, {
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127 | node: error.node
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128 | });
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129 | }
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130 |
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131 | if (!parsedAtRule) {
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132 | return;
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133 | }
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134 |
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135 | parsedAtRules.push(parsedAtRule);
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136 | }
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137 |
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138 | },
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139 |
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140 | async OnceExit() {
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141 | if (parsedAtRules.length === 0) {
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142 | return;
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143 | }
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144 |
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145 | const resolvedAtRules = await Promise.all(parsedAtRules.map(async parsedAtRule => {
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146 | const {
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147 | atRule,
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148 | isRequestable,
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149 | prefix,
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150 | url,
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151 | media
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152 | } = parsedAtRule;
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153 |
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154 | if (options.filter) {
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155 | const needKeep = await options.filter(url, media);
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156 |
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157 | if (!needKeep) {
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158 | return;
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159 | }
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160 | }
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161 |
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162 | if (isRequestable) {
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163 | const request = (0, _utils.requestify)(url, options.rootContext);
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164 | const {
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165 | resolver,
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166 | context
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167 | } = options;
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168 | const resolvedUrl = await (0, _utils.resolveRequests)(resolver, context, [...new Set([request, url])]);
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169 |
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170 | if (!resolvedUrl) {
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171 | return;
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172 | }
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173 |
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174 | if (resolvedUrl === options.resourcePath) {
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175 | atRule.remove();
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176 | return;
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177 | }
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178 |
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179 | atRule.remove();
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180 |
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181 | return {
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182 | url: resolvedUrl,
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183 | media,
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184 | prefix,
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185 | isRequestable
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186 | };
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187 | }
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188 |
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189 | atRule.remove();
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190 |
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191 | return {
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192 | url,
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193 | media,
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194 | prefix,
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195 | isRequestable
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196 | };
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197 | }));
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198 | const urlToNameMap = new Map();
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199 |
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200 | for (let index = 0; index <= resolvedAtRules.length - 1; index++) {
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201 | const resolvedAtRule = resolvedAtRules[index];
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202 |
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203 | if (!resolvedAtRule) {
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204 |
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205 | continue;
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206 | }
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207 |
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208 | const {
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209 | url,
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210 | isRequestable,
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211 | media
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212 | } = resolvedAtRule;
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213 |
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214 | if (!isRequestable) {
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215 | options.api.push({
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216 | url,
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217 | media,
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218 | index
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219 | });
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220 |
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221 | continue;
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222 | }
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223 |
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224 | const {
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225 | prefix
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226 | } = resolvedAtRule;
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227 | const newUrl = prefix ? `${prefix}!${url}` : url;
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228 | let importName = urlToNameMap.get(newUrl);
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229 |
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230 | if (!importName) {
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231 | importName = `___CSS_LOADER_AT_RULE_IMPORT_${urlToNameMap.size}___`;
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232 | urlToNameMap.set(newUrl, importName);
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233 | options.imports.push({
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234 | type: "rule_import",
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235 | importName,
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236 | url: options.urlHandler(newUrl),
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237 | index
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238 | });
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239 | }
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240 |
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241 | options.api.push({
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242 | importName,
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243 | media,
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244 | index
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245 | });
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246 | }
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247 | }
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248 |
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249 | };
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250 | }
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251 |
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252 | };
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253 | };
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254 |
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255 | plugin.postcss = true;
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256 | var _default = plugin;
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257 | exports.default = _default; |
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