1 | "use strict";
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2 |
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3 | exports.__esModule = true;
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4 | exports["default"] = void 0;
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5 |
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6 | var _parser = _interopRequireDefault(require("./parser"));
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7 |
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8 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
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9 |
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10 | var Processor = /*#__PURE__*/function () {
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11 | function Processor(func, options) {
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12 | this.func = func || function noop() {};
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13 |
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14 | this.funcRes = null;
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15 | this.options = options;
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16 | }
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17 |
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18 | var _proto = Processor.prototype;
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19 |
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20 | _proto._shouldUpdateSelector = function _shouldUpdateSelector(rule, options) {
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21 | if (options === void 0) {
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22 | options = {};
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23 | }
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24 |
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25 | var merged = Object.assign({}, this.options, options);
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26 |
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27 | if (merged.updateSelector === false) {
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28 | return false;
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29 | } else {
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30 | return typeof rule !== "string";
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31 | }
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32 | };
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33 |
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34 | _proto._isLossy = function _isLossy(options) {
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35 | if (options === void 0) {
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36 | options = {};
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37 | }
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38 |
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39 | var merged = Object.assign({}, this.options, options);
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40 |
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41 | if (merged.lossless === false) {
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42 | return true;
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43 | } else {
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44 | return false;
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45 | }
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46 | };
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47 |
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48 | _proto._root = function _root(rule, options) {
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49 | if (options === void 0) {
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50 | options = {};
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51 | }
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52 |
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53 | var parser = new _parser["default"](rule, this._parseOptions(options));
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54 | return parser.root;
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55 | };
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56 |
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57 | _proto._parseOptions = function _parseOptions(options) {
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58 | return {
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59 | lossy: this._isLossy(options)
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60 | };
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61 | };
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62 |
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63 | _proto._run = function _run(rule, options) {
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64 | var _this = this;
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65 |
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66 | if (options === void 0) {
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67 | options = {};
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68 | }
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69 |
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70 | return new Promise(function (resolve, reject) {
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71 | try {
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72 | var root = _this._root(rule, options);
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73 |
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74 | Promise.resolve(_this.func(root)).then(function (transform) {
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75 | var string = undefined;
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76 |
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77 | if (_this._shouldUpdateSelector(rule, options)) {
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78 | string = root.toString();
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79 | rule.selector = string;
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80 | }
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81 |
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82 | return {
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83 | transform: transform,
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84 | root: root,
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85 | string: string
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86 | };
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87 | }).then(resolve, reject);
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88 | } catch (e) {
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89 | reject(e);
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90 | return;
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91 | }
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92 | });
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93 | };
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94 |
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95 | _proto._runSync = function _runSync(rule, options) {
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96 | if (options === void 0) {
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97 | options = {};
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98 | }
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99 |
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100 | var root = this._root(rule, options);
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101 |
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102 | var transform = this.func(root);
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103 |
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104 | if (transform && typeof transform.then === "function") {
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105 | throw new Error("Selector processor returned a promise to a synchronous call.");
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106 | }
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107 |
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108 | var string = undefined;
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109 |
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110 | if (options.updateSelector && typeof rule !== "string") {
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111 | string = root.toString();
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112 | rule.selector = string;
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113 | }
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114 |
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115 | return {
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116 | transform: transform,
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117 | root: root,
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118 | string: string
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119 | };
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120 | }
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121 | /**
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122 | * Process rule into a selector AST.
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123 | *
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124 | * @param rule {postcss.Rule | string} The css selector to be processed
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125 | * @param options The options for processing
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126 | * @returns {Promise<parser.Root>} The AST of the selector after processing it.
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127 | */
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128 | ;
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129 |
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130 | _proto.ast = function ast(rule, options) {
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131 | return this._run(rule, options).then(function (result) {
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132 | return result.root;
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133 | });
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134 | }
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135 | /**
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136 | * Process rule into a selector AST synchronously.
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137 | *
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138 | * @param rule {postcss.Rule | string} The css selector to be processed
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139 | * @param options The options for processing
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140 | * @returns {parser.Root} The AST of the selector after processing it.
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141 | */
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142 | ;
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143 |
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144 | _proto.astSync = function astSync(rule, options) {
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145 | return this._runSync(rule, options).root;
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146 | }
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147 | /**
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148 | * Process a selector into a transformed value asynchronously
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149 | *
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150 | * @param rule {postcss.Rule | string} The css selector to be processed
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151 | * @param options The options for processing
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152 | * @returns {Promise<any>} The value returned by the processor.
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153 | */
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154 | ;
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155 |
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156 | _proto.transform = function transform(rule, options) {
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157 | return this._run(rule, options).then(function (result) {
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158 | return result.transform;
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159 | });
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160 | }
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161 | /**
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162 | * Process a selector into a transformed value synchronously.
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163 | *
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164 | * @param rule {postcss.Rule | string} The css selector to be processed
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165 | * @param options The options for processing
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166 | * @returns {any} The value returned by the processor.
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167 | */
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168 | ;
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169 |
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170 | _proto.transformSync = function transformSync(rule, options) {
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171 | return this._runSync(rule, options).transform;
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172 | }
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173 | /**
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174 | * Process a selector into a new selector string asynchronously.
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175 | *
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176 | * @param rule {postcss.Rule | string} The css selector to be processed
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177 | * @param options The options for processing
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178 | * @returns {string} the selector after processing.
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179 | */
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180 | ;
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181 |
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182 | _proto.process = function process(rule, options) {
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183 | return this._run(rule, options).then(function (result) {
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184 | return result.string || result.root.toString();
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185 | });
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186 | }
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187 | /**
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188 | * Process a selector into a new selector string synchronously.
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189 | *
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190 | * @param rule {postcss.Rule | string} The css selector to be processed
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191 | * @param options The options for processing
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192 | * @returns {string} the selector after processing.
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193 | */
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194 | ;
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195 |
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196 | _proto.processSync = function processSync(rule, options) {
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197 | var result = this._runSync(rule, options);
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198 |
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199 | return result.string || result.root.toString();
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200 | };
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201 |
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202 | return Processor;
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203 | }();
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204 |
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205 | exports["default"] = Processor;
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206 | module.exports = exports.default; |
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