| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | 'use strict'; |
| 2 | |
| 3 | var abs = require('./abs'); |
| 4 | var floor = require('./floor'); |
| 5 | |
| 6 | var $isNaN = require('../helpers/isNaN'); |
| 7 | var $isFinite = require('../helpers/isFinite'); |
| 8 | |
| 9 | // https://ecma-international.org/ecma-262/6.0/#sec-isinteger |
| 10 | |
| 11 | module.exports = function IsInteger(argument) { |
| 12 | if (typeof argument !== 'number' || $isNaN(argument) || !$isFinite(argument)) { |
| 13 | return false; |
| 14 | } |
| 15 | var absValue = abs(argument); |
| 16 | return floor(absValue) === absValue; |
| 17 | }; |