#172: Rebuild distributable package

Author: rangoo94

dist/GoogleApiComponent.js

@@ -165,12 +165,18 @@
         }, {
           key: 'initialize',
           value: function initialize(options) {
+            // Avoid race condition: remove previous 'load' listener
+            if (this.unregisterLoadHandler) {
+              this.unregisterLoadHandler();
+              this.unregisterLoadHandler = null;
+            }
+
             // Load cache factory
             var createCache = options.createCache || defaultCreateCache;
 
             // Build script
             this.scriptCache = createCache(options);
-            this.scriptCache.google.onLoad(this.onLoad.bind(this));
+            this.unregisterLoadHandler = this.scriptCache.google.onLoad(this.onLoad.bind(this));
 
             // Store information about loading container
             this.LoadingContainer = options.LoadingContainer || DefaultLoadingContainer;

dist/lib/ScriptCache.js

@@ -25,15 +25,27 @@
 
             Cache._onLoad = function (key) {
                 return function (cb) {
+                    var registered = true;
+
+                    function unregister() {
+                        registered = false;
+                    }
+
                     var stored = scriptMap.get(key);
+
                     if (stored) {
                         stored.promise.then(function () {
-                            stored.error ? cb(stored.error) : cb(null, stored);
+                            if (registered) {
+                                stored.error ? cb(stored.error) : cb(null, stored);
+                            }
+
                             return stored;
                         });
                     } else {
                         // TODO:
                     }
+
+                    return unregister;
                 };
             };