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node_modules/es5-ext/object/map-keys.js 408 Bytes
aaac7fed   liuqimichale   add
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  "use strict";
  
  var callable = require("./valid-callable")
    , forEach  = require("./for-each")
    , call     = Function.prototype.call;
  
  module.exports = function (obj, cb /*, thisArg*/) {
  	var result = {}, thisArg = arguments[2];
  	callable(cb);
  	forEach(
  		obj,
  		function (value, key, targetObj, index) {
  			result[call.call(cb, thisArg, key, value, this, index)] = value;
  		},
  		obj
  	);
  	return result;
  };