maria uses bower for all dependencies.

architecture-examples/maria/bower.json

@@ -3,6 +3,8 @@
   "version": "0.0.0",
   "dependencies": {
     "todomvc-common": "~0.1.4",
-    "director": "~1.2.0"
+    "director": "~1.2.0",
+    "maria-bower": "~1.0.0",
+    "aristocrat-bower": "~1.0.1"
   }
 }

architecture-examples/maria/lib/aristocrat/aristocrat.js → architecture-examples/maria/bower_components/aristocrat-bower/aristocrat.js

 /*
-Aristocrat version 2
+Aristocrat version 1.0.1
 Copyright (c) 2012, Peter Michaux
 All rights reserved.
 Licensed under the Simplified BSD License.

architecture-examples/maria/index.html

@@ -15,8 +15,8 @@
 
 	<script src="bower_components/todomvc-common/base.js"></script>
 	<script src="bower_components/director/build/director.js"></script>
-	<script src="lib/maria/maria.js"></script>
-	<script src="lib/aristocrat/aristocrat.js"></script>
+	<script src="bower_components/maria-bower/maria.js"></script>
+	<script src="bower_components/aristocrat-bower/aristocrat.js"></script>
 
 	<script src="js/namespace.js"></script>
 	<script src="js/util.js"></script>

architecture-examples/maria/js/models/TodosModel.js

@@ -30,19 +30,31 @@ maria.SetModel.subclass(checkit, 'TodosModel', {
 		},
 
 		getCompleted: function () {
-			return this.filter(function (todo) {
-				return todo.isCompleted();
+			var completeTodos = [];
+			this.forEach(function (todo) {
+				if (todo.isCompleted()) {
+					completeTodos.push(todo);
+				}
 			});
+			return completeTodos;
 		},
 
 		getIncompleted: function () {
-			return this.filter(function (todo) {
-				return !todo.isCompleted();
+			var incompleteTodos = [];
+			this.forEach(function (todo) {
+				if (!todo.isCompleted()) {
+					incompleteTodos.push(todo);
+				}
 			});
+			return incompleteTodos;
 		},
 
 		isAllCompleted: function () {
-			return (this.length > 0) && (this.getCompleted().length === this.length);
+			return (this.size > 0) && (this.getCompleted().length === this.size);
+		},
+
+		isEmpty: function () {
+			return this.size === 0;
 		},
 
 		markAllCompleted: function () {
@@ -62,9 +74,11 @@ maria.SetModel.subclass(checkit, 'TodosModel', {
 		},
 
 		toJSON: function () {
-			return this.map(function (todo) {
-				return todo.toJSON();
+			var todoJSON = [];
+			this.forEach(function (todo) {
+				todoJSON.push(todo.toJSON());
 			});
+			return todoJSON;
 		}
 	}
 });

architecture-examples/maria/js/views/TodosView.js

@@ -12,7 +12,7 @@ maria.SetView.subclass(checkit, 'TodosAppView', {
 		buildData: function () {
 			var model = this.getModel();
 
-			var length = model.length;
+			var length = model.size;
 			this.find('#main').style.display = (length > 0) ? '' : 'none';
 			this.find('#footer').style.display = (length > 0) ? '' : 'none';