https://www.sukima-de-luxe.com/js/sp/aemTouchUtil/jquery.aemTouchUtil.js

1(function() {
2  $.fn.extend({
3    aemTouchUtil: function(options) {
4      var settings;
5      settings = {
6        touchClassName: 'is-touch'
7      };
8      settings = $.extend(settings, options);
9      return this.each(function() {
10        var $elem;
11        $elem = $(this);
12        return $elem.on('touchstart', function() {
13          return $elem.addClass(settings.touchClassName);
14        }).on('touchmove', function() {
15          return $elem.removeClass(settings.touchClassName);
16        }).on('touchend', function() {
17          return $elem.removeClass(settings.touchClassName);
18        });
19      });
20    },
21    aemTouch: function(options) {
22      var hasCallback, settings;
23      settings = {
24        touchClassName: 'is-touch'
25      };
26      settings = $.extend(settings, options);
27      hasCallback = typeof settings.callback === 'function';
28      return $(this).each(function() {
29        var $elem, isMove, touchStartX, touchStartY;
30        $elem = $(this);
31        isMove = false;
32        touchStartX = null;
33        touchStartY = null;
34        return $elem.on('touchend touchstart touchmove click', function(e) {
35          var eventType, touches;
36          eventType = e.type;
37          if (eventType === 'click') {
38            if (($elem.data('eventHandled')) === true) {
39              $elem.data('eventHandled', false);
40              return false;
41            }
42            if (hasCallback === true) {
43              settings.callback($elem, e);
44              return false;
45            }
46          }
47          if (eventType === 'touchstart') {
48            isMove = false;
49            touches = e.originalEvent.touches;
50            touchStartX = touches[0].pageX;
51            touchStartY = touches[0].pageY;
52            $elem.addClass(settings.touchClassName);
53            return true;
54          } else if (eventType === 'touchmove') {
55            if (Math.abs(e.originalEvent.touches[0].pageX - touchStartX) > 12 || Math.abs(e.originalEvent.touches[0].pageY - touchStartY) > 12) {
56              isMove = true;
57              $elem.removeClass(settings.touchClassName);
58            }
59            return true;
60          } else if (e.type === 'touchend') {
61            if (isMove === true) {
62              isMove = false;
63              return false;
64            }
65            $elem.removeClass(settings.touchClassName);
66            if (hasCallback === true) {
67              $elem.data('eventHandled', true);
68              settings.callback($elem, e);
69              return false;
70            }
71          }
72        });
73      });
74    }
75  });
76
77}).call(this);