francesco448
17 lines
480 B
JavaScript
17 lines
480 B
JavaScript
'use strict';
|
|
|
|
var $abs = require('math-intrinsics/abs');
|
|
var $floor = require('math-intrinsics/floor');
|
|
|
|
var $isNaN = require('math-intrinsics/isNaN');
|
|
var $isFinite = require('math-intrinsics/isFinite');
|
|
|
|
/** @type {import('math-intrinsics/isInteger')} */
|
|
module.exports = function isInteger(argument) {
|
|
if (typeof argument !== 'number' || $isNaN(argument) || !$isFinite(argument)) {
|
|
return false;
|
|
}
|
|
var absValue = $abs(argument);
|
|
return $floor(absValue) === absValue;
|
|
};
|