refactor and module resolution for appStorage

src/bower_components/apiclient/appStorage.js

@@ -0,0 +1,52 @@
+define([], function() {
+    "use strict";
+
+    function onCachePutFail(e) {
+        console.log(e);
+    }
+
+    function updateCache(instance) {
+        if (instance.cache) {
+            instance.cache.put("data", new Response(JSON.stringify(instance.localData))).catch(onCachePutFail);
+        }
+    }
+
+    function onCacheOpened(result) {
+        this.cache = result;
+        this.localData = {};
+    }
+
+    function MyStore() {
+
+        this.setItem = function(name, value) {
+            localStorage.setItem(name, value);
+
+            if (this.localData && this.localData[name] !== value) {
+                this.localData[name] = value;
+                updateCache(this);
+            }
+        };
+
+        this.getItem = function(name) {
+            return localStorage.getItem(name);
+        };
+        
+        this.removeItem = function(name) {
+            localStorage.removeItem(name);
+
+            if (this.localData) {
+                this.localData[name] = null;
+                delete this.localData[name];
+                updateCache(this);
+            }
+        };
+
+        try {
+            self.caches && caches.open("embydata").then(onCacheOpened.bind(this));
+        } catch (err) {
+            console.log("Error opening cache: " + err);
+        }
+    }
+
+    return new MyStore;
+});