1  'use strict';
 2  
 3  var create                   = Object.create
 4    , getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor
 5    , getOwnPropertyNames      = Object.getOwnPropertyNames
 6    , getPrototypeOf           = Object.getPrototypeOf;
 7  
 8  module.exports = function (obj) {
 9  	var props = {};
10  	getOwnPropertyNames(obj).forEach(function (name) {
11  		props[name] = getOwnPropertyDescriptor(obj, name);
12  	}, obj);
13  	return create(getPrototypeOf(obj), props);
14  };