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1
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'use strict';
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2
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3
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var GetIntrinsic = require('../GetIntrinsic');
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4
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5
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var $Math = GetIntrinsic('%Math%');
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6
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7
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var ToNumber = require('./ToNumber');
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8
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var $isNaN = require('../helpers/isNaN');
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9
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var $isFinite = require('../helpers/isFinite');
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10
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var $sign = require('../helpers/sign');
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11
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12
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var $floor = $Math.floor;
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13
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var $abs = $Math.abs;
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14
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15
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// http://www.ecma-international.org/ecma-262/5.1/#sec-9.4
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16
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17
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module.exports = function ToInteger(value) {
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18
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var number = ToNumber(value);
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19
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if ($isNaN(number)) { return 0; }
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20
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if (number === 0 || !$isFinite(number)) { return number; }
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21
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return $sign(number) * $floor($abs(number));
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22
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};
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