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node_modules/@babel/runtime/helpers/set.js 1.27 KB
ce4c83ff   wxy   初始提交
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  var getPrototypeOf = require("./getPrototypeOf");
  
  var superPropBase = require("./superPropBase");
  
  var defineProperty = require("./defineProperty");
  
  function set(target, property, value, receiver) {
    if (typeof Reflect !== "undefined" && Reflect.set) {
      set = Reflect.set;
    } else {
      set = function set(target, property, value, receiver) {
        var base = superPropBase(target, property);
        var desc;
  
        if (base) {
          desc = Object.getOwnPropertyDescriptor(base, property);
  
          if (desc.set) {
            desc.set.call(receiver, value);
            return true;
          } else if (!desc.writable) {
            return false;
          }
        }
  
        desc = Object.getOwnPropertyDescriptor(receiver, property);
  
        if (desc) {
          if (!desc.writable) {
            return false;
          }
  
          desc.value = value;
          Object.defineProperty(receiver, property, desc);
        } else {
          defineProperty(receiver, property, value);
        }
  
        return true;
      };
    }
  
    return set(target, property, value, receiver);
  }
  
  function _set(target, property, value, receiver, isStrict) {
    var s = set(target, property, value, receiver || target);
  
    if (!s && isStrict) {
      throw new Error('failed to set property');
    }
  
    return value;
  }
  
  module.exports = _set;