mirror of
https://github.com/nodejs/node.git
synced 2025-05-21 15:44:52 +00:00

PR-URL: https://github.com/nodejs/node/pull/24734 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com>
20 lines
401 B
JavaScript
20 lines
401 B
JavaScript
'use strict'
|
|
|
|
module.exports = clone
|
|
|
|
function clone (obj) {
|
|
if (obj === null || typeof obj !== 'object')
|
|
return obj
|
|
|
|
if (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
|
|
}
|