1  'use strict';
 2  
 3  var $abs = require('./abs');
 4  var $floor = require('./floor');
 5  
 6  var $isNaN = require('./isNaN');
 7  var $isFinite = require('./isFinite');
 8  
 9  /** @type {import('./isInteger')} */
10  module.exports = function isInteger(argument) {
11  	if (typeof argument !== 'number' || $isNaN(argument) || !$isFinite(argument)) {
12  		return false;
13  	}
14  	var absValue = $abs(argument);
15  	return $floor(absValue) === absValue;
16  };