20 lines
607 B
JavaScript
20 lines
607 B
JavaScript
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'use strict';
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var modulo = require('./modulo');
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var ToNumber = require('./ToNumber');
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var abs = require('math-intrinsics/abs');
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var floor = require('math-intrinsics/floor');
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var $isNaN = require('math-intrinsics/isNaN');
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var $isFinite = require('math-intrinsics/isFinite');
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var $sign = require('math-intrinsics/sign');
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// http://262.ecma-international.org/5.1/#sec-9.7
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module.exports = function ToUint16(value) {
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var number = ToNumber(value);
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if ($isNaN(number) || number === 0 || !$isFinite(number)) { return 0; }
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var posInt = $sign(number) * floor(abs(number));
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return modulo(posInt, 0x10000);
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};
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