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node_modules/es-abstract/2017/ToUint16.js
| 24 lines
| 651 B
| application/javascript
| JavascriptLexer
|
r789 | 'use strict'; | |||
var GetIntrinsic = require('../GetIntrinsic'); | ||||
var $Math = GetIntrinsic('%Math%'); | ||||
var ToNumber = require('./ToNumber'); | ||||
var $isNaN = require('../helpers/isNaN'); | ||||
var $isFinite = require('../helpers/isFinite'); | ||||
var $sign = require('../helpers/sign'); | ||||
var $mod = require('../helpers/mod'); | ||||
var $floor = $Math.floor; | ||||
var $abs = $Math.abs; | ||||
// http://www.ecma-international.org/ecma-262/5.1/#sec-9.7 | ||||
module.exports = function ToUint16(value) { | ||||
var number = ToNumber(value); | ||||
if ($isNaN(number) || number === 0 || !$isFinite(number)) { return 0; } | ||||
var posInt = $sign(number) * $floor($abs(number)); | ||||
return $mod(posInt, 0x10000); | ||||
}; | ||||