http://www.nicolacoe.co.uk/files/theme/jquery.revealer.js?1631129850

1/*!
2 * Revealer 2.0.0
3 *
4 * Copyright 2015, Pixel Union - http://pixelunion.net
5 * Released under the MIT license
6 */
7(function($){
8  // check for trend event (make sure jquery.trend is included)
9  if (typeof $.event.special.trend !== "object") {
10    console.warn("Please make sure jquery.trend is included! Otherwise revealer won't work.");
11  }
12
13  // Simple requestAnimationFrame polyfill
14  var raf = window.requestAnimationFrame ||
15    window.mozRequestAnimationFrame ||
16    window.webkitRequestAnimationFrame ||
17    function(fn) { window.setTimeout(fn, 1000/60); }
18
19
20  // Public API
21  var methods = {
22    isVisible: function(el) {
23      return !!el.data("revealer-visible");
24    },
25
26    show: function(el, force) {
27      // Check state
28      if (methods.isVisible(el)) {
29        el.removeClass("animating animating-in");
30        el.off("revealer-animating revealer-show");
31        return;
32      }
33
34      // Remove previous event listeners
35      el.data("revealer-visible", true);
36      el.off("trend");
37
38      if (force) {
39        el.addClass("visible");
40        el.trigger("revealer-show");
41        return;
42      }
43
44      raf(function(){
45        // Start animation state transition
46        el.addClass("animating animating-in");
47        el.trigger("revealer-animating");
48
49        raf(function(){
50          el.addClass("visible");
51
52          el.one("trend", function(){
53            el.removeClass("animating animating-in");
54            el.trigger("revealer-show");
55          });
56        });
57      });
58    },
59
60    hide: function(el, force) {
61      // Check state
62      if (!methods.isVisible(el)) {
63        el.removeClass("animating animating-out visible");
64        el.off("revealer-animating revealer-hide");
65        return;
66      }
67
68      // Remove previous event listeners
69      el.data("revealer-visible", false);
70      el.off("trend");
71
72      if (force) {
73        el.removeClass("visible");
74        el.trigger("revealer-hide");
75        return;
76      }
77
78      raf(function(){
79        el.addClass("animating animating-out");
80        el.trigger("revealer-animating");
81
82        raf(function(){
83          el.removeClass("visible");
84
85          el.one("trend", function(){
86            el.removeClass("animating animating-in animating-out");
87            el.trigger("revealer-hide");
88          });
89        });
90      });
91    },
92
93    toggle: function(el, force) {
94      if (methods.isVisible(el)) {
95        methods.hide(el, force);
96      } else {
97        methods.show(el, force);
98      }
99    }
100  };
101
102  // jQuery plugin
103  $.fn.revealer = function(method, force) {
104    // Get action
105    var action = methods[method || "toggle"];
106    if (!action) return this;
107
108    // Run action
109    if (method === "isVisible") {
110      return action(this);
111    }
112
113    return this.each(function(){
114      action($(this), force);
115    });
116  };
117})(jQuery);