Constnium/node_modules/es-abstract/2018/ToUint8.js
2022-06-23 02:27:43 +02:00

20 lines
578 B
JavaScript

'use strict';
var ToNumber = require('./ToNumber');
var $isNaN = require('../helpers/isNaN');
var $isFinite = require('../helpers/isFinite');
var $sign = require('../helpers/sign');
var abs = require('./abs');
var floor = require('./floor');
var modulo = require('./modulo');
// https://ecma-international.org/ecma-262/6.0/#sec-touint8
module.exports = function ToUint8(argument) {
var number = ToNumber(argument);
if ($isNaN(number) || number === 0 || !$isFinite(number)) { return 0; }
var posInt = $sign(number) * floor(abs(number));
return modulo(posInt, 0x100);
};