https://www.kcpinternational.com/wp-content/themes/kcp/javascript/jquery.overflowScroller.js?ver=7.0.5

1(function (document, window, $, undefined) {
2    'use strict';
3
4    var pluginName = 'overflowScroller';
5    var defaults = {
6        // selectors
7        scrollerContent:     '.js-overflow-scroller__content',
8        scrollerLeftButton:  '.js-scroller--scroll-left',
9        scrollerRightButton: '.js-scroller--scroll-right',
10
11        // state classes
12        overflowLeftClass:  'overflowing--left',
13        overflowRightClass: 'overflowing--right',
14    };
15
16    var Plugin = function (element, options) {
17        var _public = {};
18        var _private = {};
19
20        var settings = $.extend({}, defaults, options);
21        _public.element = element;
22        _public.$element = $(element);
23        _public.$content = $(settings.scrollerContent, _public.$element);
24        if (_public.$content.length == 0) {
25            return;
26        }
27        var _init = function () {
28            /**
29             * Bind Actions
30             */
31            // Navigation buttons
32            $(element).on('click', settings.scrollerLeftButton, scrollerScrollLeft)
33            $(element).on('click', settings.scrollerRightButton, scrollerScrollRight)
34            // scroller states
35            $(window).on('resize', checkScrollerContainer);
36            $(settings.scrollerContent).on('scroll', checkScrollerContainer);
37
38            checkScrollerContainer();
39        };
40
41        function checkScrollerContainer() {
42            var scrollLeft = _public.$content.scrollLeft();
43            var scrollRight = _public.$content.width() + scrollLeft;
44            var scrollWidth = _public.$content[0].scrollWidth;
45
46            if (scrollLeft > 0) {
47                _public.$element.addClass(settings.overflowLeftClass);
48            } else {
49                _public.$element.removeClass(settings.overflowLeftClass);
50            }
51
52            if (scrollRight < scrollWidth) {
53                _public.$element.addClass(settings.overflowRightClass);
54            } else {
55                _public.$element.removeClass(settings.overflowRightClass);
56            }
57        }
58
59        function scrollerScrollLeft() {
60            _public.$content.animate({
61                scrollLeft: _public.$content.scrollLeft() - _public.$content.find('>*:first-child').outerWidth()
62            }, 300);
63        }
64
65        function scrollerScrollRight() {
66            _public.$content.animate({
67                scrollLeft: _public.$content.scrollLeft() + _public.$content.find('>*:first-child').outerWidth()
68            }, 300);
69        }
70
71        _init();
72
73        return _public;
74    };
75
76
77    // jQuery plugin wrapper
78    $.fn[pluginName] = function (options) {
79        return this.each(function () {
80            if (!$.data(this, 'plugin_' + pluginName)) {
81                $.data(this, 'plugin_' + pluginName);
82                new Plugin(this, options);
83            }
84        });
85    };
86
87})(document, window, jQuery);