1  'use strict';
 2  
 3  var forEach = require('./for-each');
 4  
 5  module.exports = function (obj, cb) {
 6  	var o = {}, thisArg = arguments[2];
 7  	forEach(obj, function (value, key) {
 8  		o[cb.call(thisArg, key, value, this)] = value;
 9  	}, obj);
10  	return o;
11  };