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35 lines
798 B
35 lines
798 B
module.exports = function (obj) { |
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if (!obj || typeof obj !== 'object') return obj; |
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var copy; |
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if (isArray(obj)) { |
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var len = obj.length; |
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copy = Array(len); |
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for (var i = 0; i < len; i++) { |
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copy[i] = obj[i]; |
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} |
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} |
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else { |
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var keys = objectKeys(obj); |
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copy = {}; |
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for (var i = 0, l = keys.length; i < l; i++) { |
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var key = keys[i]; |
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copy[key] = obj[key]; |
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} |
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} |
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return copy; |
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}; |
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var objectKeys = Object.keys || function (obj) { |
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var keys = []; |
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for (var key in obj) { |
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if ({}.hasOwnProperty.call(obj, key)) keys.push(key); |
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} |
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return keys; |
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}; |
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var isArray = Array.isArray || function (xs) { |
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return {}.toString.call(xs) === '[object Array]'; |
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};
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