Applying sub route changes to the branch

Signed-off-by: J. Renée Beach <splendidnoise@gmail.com>

app/main.js

@@ -9,7 +9,12 @@ require([
   "modules/example"
 ],
 
-function(namespace, $, Backbone, Example) {
+function(namespace, $, Backbone) {
+
+  // Get the list of overloaded arguments.
+  // These will be the modules defined in require. Modules should not be passed
+  // as explicit arguments of the callee function.
+  var Modules = Array.prototype.slice.call(arguments, arguments.callee.length) || [];
 
   // Defining the application router, you can attach sub routers here.
   var Router = Backbone.Router.extend({
@@ -18,6 +23,11 @@ function(namespace, $, Backbone, Example) {
       ":hash": "index"
     },
 
+    // Add module routes and route callbacks to the Router.
+    initialize: function(Modules) {
+      namespace.mergeSubroutes.call(this, Modules);
+    },
+
     index: function(hash) {
       var route = this;
       var tutorial = new Example.Views.Tutorial();
@@ -50,7 +60,7 @@ function(namespace, $, Backbone, Example) {
   $(function() {
     // Define your master router on the application namespace and trigger all
     // navigation from this instance.
-    app.router = new Router();
+    app.router = new Router(Modules);
 
     // Trigger the initial route and enable HTML5 History API support
     Backbone.history.start({ pushState: true });

app/modules/example.js

@@ -12,7 +12,7 @@ define([
 function(namespace, Backbone) {
 
   // Create a new module
-  var Example = namespace.module();
+  var Example = namespace.module({name: 'example'});
 
   // Example extendings
   Example.Model = Backbone.Model.extend({ /* ... */ });

app/namespace.js

@@ -50,6 +50,22 @@ function($, _, Backbone) {
     },
 
     // Keep active application instances namespaced under an app object.
-    app: _.extend({}, Backbone.Events)
+    app: _.extend({}, Backbone.Events),
+
+    // Add module routes and route callbacks to the app.
+    mergeSubroutes: function(Modules) {
+      for (var i = 0; i < Modules.length; i++) {
+        var m = Modules[i];
+        // Proceed if the module extends Backbone.Router.
+        if (m.Router) {
+          var subrouter = new m.Router();
+          if (subrouter.routes) {
+            // Extend the app's routes and route callbacks 
+            // with the submodule's routes and route callbacks.
+            $.extend(true, this, subrouter);
+          }
+        }
+      }
+    }
   };
 });