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