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- 'use strict'
- module.exports = clone
- var getPrototypeOf = Object.getPrototypeOf || function (obj) {
- return obj.__proto__
- }
- function clone (obj) {
- if (obj === null || typeof obj !== 'object')
- return obj
- if (obj instanceof Object)
- var copy = { __proto__: getPrototypeOf(obj) }
- else
- var copy = Object.create(null)
- Object.getOwnPropertyNames(obj).forEach(function (key) {
- Object.defineProperty(copy, key, Object.getOwnPropertyDescriptor(obj, key))
- })
- return copy
- }
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