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25 lines
651 B
25 lines
651 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 $mod = require('../helpers/mod');
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var $floor = $Math.floor;
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var $abs = $Math.abs;
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// http://www.ecma-international.org/ecma-262/5.1/#sec-9.7
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module.exports = function ToUint16(value) {
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var number = ToNumber(value);
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if ($isNaN(number) || number === 0 || !$isFinite(number)) { return 0; }
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var posInt = $sign(number) * $floor($abs(number));
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return $mod(posInt, 0x10000);
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};
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