https://coderpunk.tech/js/vendors/transition.js

1/* ========================================================================
2 * Bootstrap: transition.js v3.4.0
3 * https://getbootstrap.com/docs/3.4/javascript/#transitions
4 * ========================================================================
5 * Copyright 2011-2018 Twitter, Inc.
6 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
7 * ======================================================================== */
8
9+(function($) {
10  "use strict";
11
12  // CSS TRANSITION SUPPORT (Shoutout: https://modernizr.com/)
13  // ============================================================
14
15  function transitionEnd() {
16    var el = document.createElement("bootstrap");
17
18    var transEndEventNames = {
19      WebkitTransition: "webkitTransitionEnd",
20      MozTransition: "transitionend",
21      OTransition: "oTransitionEnd otransitionend",
22      transition: "transitionend"
23    };
24
25    for (var name in transEndEventNames) {
26      if (el.style[name] !== undefined) {
27        return { end: transEndEventNames[name] };
28      }
29    }
30
31    return false; // explicit for ie8 (  ._.)
32  }
33
34  // https://blog.alexmaccaw.com/css-transitions
35  $.fn.emulateTransitionEnd = function(duration) {
36    var called = false;
37    var $el = this;
38    $(this).one("bsTransitionEnd", function() {
39      called = true;
40    });
41    var callback = function() {
42      if (!called) $($el).trigger($.support.transition.end);
43    };
44    setTimeout(callback, duration);
45    return this;
46  };
47
48  $(function() {
49    $.support.transition = transitionEnd();
50
51    if (!$.support.transition) return;
52
53    $.event.special.bsTransitionEnd = {
54      bindType: $.support.transition.end,
55      delegateType: $.support.transition.end,
56      handle: function(e) {
57        if ($(e.target).is(this))
58          return e.handleObj.handler.apply(this, arguments);
59      }
60    };
61  });
62})(jQuery);