1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | 16× 16× 16× 16× 16× 16× 16× 1352× 16× | 'use strict' var fs = require('fs') module.exports = clone(fs) function clone (obj) { Iif (obj === null || typeof obj !== 'object') return obj Eif (obj instanceof Object) var copy = { __proto__: obj.__proto__ } else var copy = Object.create(null) Object.getOwnPropertyNames(obj).forEach(function (key) { Object.defineProperty(copy, key, Object.getOwnPropertyDescriptor(obj, key)) }) return copy } |