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