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19 lines
514 B
JavaScript
19 lines
514 B
JavaScript
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'use strict';
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var abs = require('./abs');
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var floor = require('./floor');
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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 $sign = require('../helpers/sign');
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// http://262.ecma-international.org/5.1/#sec-9.4
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module.exports = function ToInteger(value) {
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var number = ToNumber(value);
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if ($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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