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23 lines
496 B
23 lines
496 B
'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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