odin-js-fundamentals-part-5/node_modules/es-abstract/2021/ToIntegerOrInfinity.js

21 lines
600 B
JavaScript

'use strict';
var abs = require('./abs');
var floor = require('./floor');
var ToNumber = require('./ToNumber');
var $isNaN = require('../helpers/isNaN');
var $isFinite = require('../helpers/isFinite');
var $sign = require('../helpers/sign');
// https://262.ecma-international.org/12.0/#sec-tointegerorinfinity
module.exports = function ToIntegerOrInfinity(value) {
var number = ToNumber(value);
if ($isNaN(number) || number === 0) { return 0; }
if (!$isFinite(number)) { return number; }
var integer = floor(abs(number));
if (integer === 0) { return 0; }
return $sign(number) * integer;
};