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22 lines
598 B
22 lines
598 B
'use strict'; |
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var GetIntrinsic = require('../GetIntrinsic'); |
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var $Math = GetIntrinsic('%Math%'); |
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var ToNumber = require('./ToNumber'); |
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var $isNaN = require('../helpers/isNaN'); |
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var $isFinite = require('../helpers/isFinite'); |
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var $sign = require('../helpers/sign'); |
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var $floor = $Math.floor; |
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var $abs = $Math.abs; |
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// http://www.ecma-international.org/ecma-262/5.1/#sec-9.4 |
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module.exports = function ToInteger(value) { |
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var number = ToNumber(value); |
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if ($isNaN(number)) { return 0; } |
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if (number === 0 || !$isFinite(number)) { return number; } |
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return $sign(number) * $floor($abs(number)); |
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};
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