https://brewhalla.co/wp-content/plugins/oshine-modules/public/js/vendor/asyncloader.js?ver=1.0

1(function() {
2    'use strict';
3
4    var Loader = (function() {
5
6        var scripts = {},
7            queue = {},
8            loadCount = 0,
9            head = document.getElementsByTagName('head')[0],
10
11            register = function( script, id ) {
12                if( id ) {
13                    scripts[id] = script;
14                }  
15            },
16
17            isRegistered = function( id ) {
18                return scripts.hasOwnProperty(id) ? true : false;
19            },
20
21            inQueue = function( id ) {
22                return queue.hasOwnProperty(id) ? true : false;
23            },        
24           
25            require = function( ids, callback ) {
26                //check if each script is a registered callback
27                ids = ids['push'] ? ids : [ ids ];
28                var totalRequired = ids.length,
29                    currentScripts = [];
30                if( ids.every( isRegistered ) ) {
31                    for( var i = 0; i < totalRequired; i++ ) {
32                        if( !inQueue( ids[i] ) ) {
33                            queue[ ids[i] ] = writeScript( scripts[ ids[i] ] );          
34                        }
35                        currentScripts.push( queue[ ids[i] ] );
36                    }
37                    Promise.all( currentScripts ).then( function() {
38                        callback.call();
39                    });
40                }
41
42            },
43
44            writeScript = function( src ) {
45                var currentSite = window.location.href;
46                   if(currentSite.indexOf("https://")>-1){
47                       src = src.replace("http:", "https:");
48                   }
49                return new Promise( function(resolve, reject ) { 
50                    var s = document.createElement('script');
51                    s.type = "text/javascript";
52                    s.async = true;
53                    s.src = src;
54                    head.appendChild(s);
55                    s.onload = resolve;
56                    s.onerror = reject;
57                });    
58            };
59
60            return {
61                register : register,
62                require : require
63            }
64    })();
65    window.asyncloader = Loader;
66})();