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- '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);
- };
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