easyListSplitter - Modified to work with jQuery 3

/**
 * easyListSplitter 1.0.2
 * Copyright (c) 2010 Andrea Cima Serniotti (http://www.madeincima.eu)
 * Dual licensed under MIT and GPL
 */


/**
 * Usage:
 *
 * $('ul').easyListSplitter({
 *   colNumber: 3,
 *   direction: 'horizontal'
 * });
 */

var j = 1;
 
(function(jQuery) {
    jQuery.fn.easyListSplitter = function(options) {

        var defaults = {
            colNumber: 2,
            direction: 'vertical'
        };

        this.each(function() {
            var obj = $(this);
            var settings = jQuery.extend(defaults, options);
            var totalListElements = $(this).children('li').size();
            var baseColItems = Math.ceil(totalListElements / settings.colNumber);
            var listClass = $(this).attr('class');

            // Create List Elements given colNumber
            for (i = 1; i <= settings.colNumber; i++) {
                if (i == 1) {
                    $(this).addClass('listCol1').wrap('<div class="listContainer'+j+'"></div>');
                } else if ($(this).is('ul')) { // Check whether the list is ordered or unordered
                    $(this).parents('.listContainer'+j).append('<ul class="listCol'+i+'"></ul>');
                } else {
                    $(this).parents('.listContainer'+j).append('<ol class="listCol'+i+'"></ol>');
                }
                $('.listContainer'+j+' > ul, .listContainer'+j+' > ol').addClass(listClass);
            }

            var listItem = 0;
            var k = 1;
            var l = 0;  

            // Append List Elements to the respective listCol - Vertical
            if (settings.direction == 'vertical') {
                $(this).children('li').each(function () {
                    listItem = listItem+1;
                    if (listItem > baseColItems*(settings.colNumber-1)) {
                        $(this).parents('.listContainer'+j).find('.listCol'+settings.colNumber).append(this);
                    } 
                    else {
                        if (listItem<=(baseColItems*k)) {
                            $(this).parents('.listContainer'+j).find('.listCol'+k).append(this);
                        }
                        else {
                            $(this).parents('.listContainer'+j).find('.listCol'+(k+1)).append(this);
                            k = k+1;
                        }
                    }
                });

                $y('.listContainer'+j).find('ol, ul').each(function () {
                    if($(this).children().size() == 0) {
                        $(this).remove();
                    }
                }); 
            }

            // Append List Elements to the respective listCol - Horizontal
            else {
                $(this).children('li').each(function(){
                    l = l+1;

                    if (l <= settings.colNumber){
                        $(this).parents('.listContainer'+j).find('.listCol'+l).append(this);
                    }

                    else {
                        l = 1;
                        $(this).parents('.listContainer'+j).find('.listCol'+l).append(this);
                    }               
                });
            }

            // Set class last on the last ul or ol
            $('.listContainer'+j).find('ol:last,ul:last').addClass('last');
            j = j+1;
        });
    };
})(jQuery);