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node_modules/@babel/core/lib/config/util.js 917 Bytes
ce4c83ff   wxy   初始提交
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  "use strict";
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.mergeOptions = mergeOptions;
  
  function mergeOptions(target, source) {
    for (const k of Object.keys(source)) {
      if (k === "parserOpts" && source.parserOpts) {
        const parserOpts = source.parserOpts;
        const targetObj = target.parserOpts = target.parserOpts || {};
        mergeDefaultFields(targetObj, parserOpts);
      } else if (k === "generatorOpts" && source.generatorOpts) {
        const generatorOpts = source.generatorOpts;
        const targetObj = target.generatorOpts = target.generatorOpts || {};
        mergeDefaultFields(targetObj, generatorOpts);
      } else {
        const val = source[k];
        if (val !== undefined) target[k] = val;
      }
    }
  }
  
  function mergeDefaultFields(target, source) {
    for (const k of Object.keys(source)) {
      const val = source[k];
      if (val !== undefined) target[k] = val;
    }
  }